53 results about "Torsion spring" patented technology

The invention relates to a display device. The device comprises a wound sheet having a first portion and a second portion, a fixed support, a movable support and a reel mechanism, and the wound sheetcomprises a flexible display screen and a curtain support layer; the fixed support is used for supporting the first portion; the movable support is used for supporting the second portion; the movablesupport slides relative to the fixed support; the reel mechanism is used for winding the second portion; the reel mechanism is mounted at one end of the movable support; the winding mechanism includesa reel sleeve, a torsion spring for driving the reel sleeve to rotate and retract through pretightening force and a support shaft for supporting the torsion spring; the support shaft is fixed to themovable support. According to the above display device, when the wound sheet is unfolded, the flexible display screen can all be displayed, good rigidity can be maintained, and the requirements of touch control or other operations are met; when the second portion of the wound sheet is wound, the entire display device is reduced in size and easy to carry. The invention also discloses an electronicproduct.

The invention discloses a conference show device. The conference show device comprises two lifting rods, the bottom ends of the lifting rods are fixedly connected with foot pads, the top ends of the two lifting rods are sleeved with a telescopic blackboard, cylindrical grooves are formed in the positions, close to the two sides, in the telescopic blackboard, the lifting rods are sleeved with the cylindrical grooves, a first telescopic rod is fixedly connected between the two lifting rods, two fixing plates are symmetrically fixed to the top of the telescopic blackboard, a second telescopic rodis fixedly connected between the two fixing plates, two limiting cylinders are symmetrically and fixedly arranged on the back of the telescopic blackboard, openings are symmetrically formed in the opposite sides of the two limiting cylinders, torsion springs are fixedly connected to the two upper and lower opposite inner walls of the limiting cylinders, the opposite ends of the two torsion springs are jointly and fixedly connected with rollers, and projection cloth is wound between the two rollers. The device is simple and reasonable in structural design, convenient to operate, capable of adjusting the height of a show plate, and adjusting the size of the telescopic blackboard and the projection cloth, and convenient to move.

A tensioner comprising a base, a ring engaged with the base, the ring rotatable about a center “C” within a base opening, a pulley journalled to the ring, a pivot arm pivotally engaged with the ring, a pulley journalled to the pivot arm, a torsion spring disposed between the ring and the pivot arm for urging the pivot arm, a damping assembly frictionally disposed between the base and the ring, a spring applying a normal load to the damping material, and the damping material having a resistance in the range of greater than 0Ω up to approximately 10,000Ω.

The invention relates to a spraying device, in particular to a pediatric ear spraying device, and aims to provide a pediatric ear spraying device which can spray a liquid medicine into an ear of a patient, prevent an eardrum of the patient from being stabbed and completely spray the liquid medicine into the ear. The technical scheme includes that the pediatric ear spraying device comprises a handle, a shell, a feeding pipe, a plug, a discharging pipe, a first one-way valve, a hard pipe, a rotating shaft, a pulling rod, a torsion spring, a sector gear, a movable plate, first springs and the like, an inner groove is formed in the middle of the handle, the movable plate matched with the inner groove is arranged on the inner lower portion of the inner groove, and the first springs are connected among the bottom left side and the bottom right side of the movable plate and the bottom left side and the bottom right side of the inner groove. According to the spraying device, the liquid medicine is poured into the shell, a poking rod is poked, the liquid medicine can be pushed into the hard pipe by air and is sprayed into the ear of the patient by a sprayer, the liquid medicine cannot be smeared in the ear of the patient by a cotton swab, the spraying device is convenient and rapid, and the liquid medicine can be completely sprayed into the ear of the patient.

The invention discloses a variable-rigidity and high-damping type automatic tensioning device. The device comprises a tensioning arm, a housing, a first damping device, a second damping device, a torsion spring, a tensioning wheel, a mandrel, a rolling bearing and an abrasion-proof plastic bush, wherein the housing is fixed to an engine body; the mandrel is fixed to the housing; the tensioning armis mounted on the mandrel through the abrasion-proof plastic bush in a pivoting manner; a belt wheel is mounted at one end, far away from the mandrel, of the tensioning arm through the rolling bearing; a housing storing chamber is formed in the housing; one end of the torsion spring is arranged in the housing storing chamber, and the other end of the torsion spring is propped to a tensioning armspring seat of the tensioning arm; the first damping device and the second damping device are relatively arranged at the upper part of the housing storing chamber; one end of the first damping deviceis propped to the tensioning arm while the other end of the first damping device is propped to a torsion arm of the torsion spring. With the adoption of the device, high frictional damping capacity isprovided; high torque can be provided by changing the rigidity when the belt tension fluctuates greatly, and thus slipping and noise can be avoided.

The invention discloses a winding balance device which can ensure that the tension of yarn is constant in the winding process of spiral lines of the yarn. The winding balance device comprises a tension balancing stand arranged on a machine beam, wherein a supplementary mandrel and at least one inserting hole distributed around the supplementary mandrel are arranged on the tension balancing stand; a supplementary swinging rod and a torsion spring are movably sleeved on the supplementary mandrel; one end of the torsion spring is butted on the supplementary swinging rod, and the other end of the torsion spring is inserted into the inserting hole; a supporting shaft is arranged at the end part of the supplementary swinging rod; and a swinging winding guide wheel is arranged on the supporting shaft. In the winding process of the spiral lines of the yarn, the supplementary swinging rod swings up and down under the action of the torsion spring to ensure that the length of the yarn between the output point and the winding point of a yarn conveying device is always constant, so that the linear speed of the yarn conveying device is constant, and the tension of the yarn is constant, thereby effectively avoiding the periodic uneven twisting and greatly improving the quality of the formed yarn.

The invention belongs to the technical field of equipment fishing and recycling devices and particularly relates to a surface recycling light-emitting position indicator for underwater equipment, comprising a base, an upper cover plate, a lower cover plate, a hydraulic rod, a hydraulic membrane, a nut, a hydraulic spring, a compression ring, screws, chamber I, a circular terrace, a safety pin, a glass cover plate, seal gasket I, a battery box, a battery, a circuit board, wires, a light-emitting tube, a reversible normally-closed contact unit, insulating terrace I, upper contact plate I, lowercontact plate I, an insulating sheet, a normally-opened contact unit, insulating terrace II, upper contact plate II, lower contact plate II, a limiting pin, a torsion spring, seal gasket II, seal gasket III, a screw plug, and chamber II. The surface recycling light-emitting position indicator for underwater equipment indicates a position vividly by emitting light at water surface and can provide avivid indication particularly when equipment emerges from water at night.

The invention relates to a circuit board applied to a motor, in particular to the slot-type circuit board applied to the motor and an assembly process of the slot-type circuit board. The slot-type circuit board applied to the motor comprises a motor outer shell, a front end cover, a rear end cover, a rotor assembly, a circuit board socket assembly and a circuit board plug-in assembly. The circuit board socket assembly is fixed with the rear end cover in a plug-in mode. The circuit socket assembly comprises an electronic component, a carbon brush assembly, torsion springs and a circuit board body. The electronic component is welded on the circuit board body. The carbon brush assembly is fixed on the circuit board body in a buckled mode. Cylinders are arranged on the circuit board body. The torsion springs are sleeved on the cylinders. One end of each torsion spring is connected with the rear end cover in a plug-in mode. The other end of each torsion spring is connected with the carbon brush assembly in a plug-in mode, so that electric connection is formed between the circuit board socket assembly and the rear end cover. Insertion holes are formed in the circuit board socket assembly. Plug pins are arranged on the circuit board plug-in assembly. The plug pins are arranged inside the insertion holes in a plug-in mode to form electric connection. According to the slot-type circuit board applied to the motor and the assembly process, occupied space is reduced, wiring and existing problems of the wiring are avoided, material consumption is saved, cost is reduced, and the anti-interference function of an electrical appliance is also improved.

The invention provides a three-in-one multi-function charging device. A bottom case is provided with a mobile phone wireless charging and transmitting coil, a watch wireless charging and adjusting mechanism and a Type-c plug adjust mechanism. The watch wireless charging and adjusting mechanism includes a watch wireless charging and transmitting end, a first rotating shaft, a second rotating shaftand a first adjusting knob, wherein the first knob is adjusted to rotate to drive the second rotating shaft to rotate, then the first rotating shaft is driven to rotate, and thus the watch wireless charging and transmitting end is driven to rotate up and down relative to the bottom case. The Type-c plug adjust mechanism includes a second adjusting knob, a screw rod, a moving block, an adjusting block, and a Type-c plug. The second knob is adjusted to rotate to drive the screw rod to rotate, then the moving block is driven to move back and forth, then the adjusting block is driven to move up and down, and thus the Type-c plug is driven to rotate left and right through a torsion spring. A supporting frame can be turned upward relative to the bottom case to form an included angle with the surface of a panel. The three-in-one multi-function charging device can simultaneously charge three intelligent devices, and the upward and downward rotation angle of the wireless charging and transmitting end and the Type-c plug can be adjusted to facilitate charging of the intelligent devices.

The invention discloses a rainproof seat of a shared bicycle, which comprises a seat body, wherein a cylinder body is arranged in the seat body in a penetrating mode, a circular shell is arranged in the cylinder body, the upper end of the circular shell is rotationally connected with a rotating rod, a threaded head in threaded connection with a cylinder opening of the cylinder body is fixed at theupper end of the rotating rod, the bottom of the threaded head is rotationally connected with a plurality of umbrella ribs through torsion springs, a piece of foldable rainproof cloth is connected between every two umbrella ribs, the bottom of the circular shell is elastically connected with the inner bottom of the cylinder body through a first spring, a groove body is formed in the bottom of theseat body, calcium peroxide powder is placed in the groove body, a water inlet pipe communicated with the upper surface of the seat body is arranged at the top of the groove body, a one-way valve isinstalled in the water inlet pipe, and the lower end of the rotating rod extends into the circular shell and is fixedly provided with an impeller. The rainproof seat is reasonable in structure, and the rainproof umbrella can be automatically lifted to shield the seat in rainy days, so that the seat is prevented from being wetted by rainwater.

The invention relates to the field of missile parts, in particular to a folding missile lifting lug structure. A lifting lug hiding room is arranged in a missile body, and comprises a lifting lug, a torsional spring, a rotating shaft, a bearing, a plate spring and a positioning pin, wherein the bearing is fixed in the lifting lug hiding room of the missile body; the lifting lug is movably mounted in the lifting lug hiding room through the rotating shaft and the bearing; the rotating shaft penetrates the torsional spring; one end of the torsional spring is clamped in the lifting lug, and the other end of the torsional spring is clamped in the missile body; the torsional spring drives the lifting lug to be rotated in the lifting lug hiding room; the positioning pin is inserted in the missile body along the side of the lifting lug to prevent the lifting lug from rotating. The folding missile lifting lug structure has the beneficial effects that first, the lifting lug is hidden in the missile body, so that no projections exist on the surface of the missile body, the aerodynamic drag is reduced, and the high speed flight is benefited; second, the folding missile lifting lug structure has a simple structure, and is used flexibly, conveniently and reliably; third, after being unfolded, the lifting lug is suitable for ground hoisting and transporting, and after being folded, the lifting lug is not easy to impact.

The invention provides a burglary-resistant lock based on a spiral type reverse clutch module and a double-motor module. The burglary-resistant lock is characterized by comprising a lock body module, the spiral type reverse clutch module and the double-motor module. The spiral type reverse clutch module comprises a lifting pin (207), a lifting pin spring (208), a lifting pin baffle ring (206), an inner handle rotating part (205), a square steel sleeve (204) and a transmission assembly. The double-motor module comprises a covering plate (301), two pinions (302), a gear shaft (303), a motor shell (304), two identical motors (305), a torsion spring (306), an arc push plate (307), a front push plate (308), a rear push plate (309) and a transverse rod (3010). The burglary-resistant lock is unlocked in a single direction, the lock body still can not be unlocked under the condition that a front panel is detached and the lock body is exposed, so that the safety of the lock is improved.

The present invention relates to an anti-bounce apparatus of automatic transfer switching equipment. The anti-bounce apparatus includes a machine architecture and two anti-bounce mechanisms that are in mirror arrangement. The anti-bounce mechanism includes a spindle, a suspended arm, a pendulum member, a pin shaft, and a reset torsion spring. The suspended arm includes a transmission part and a connection part. The transmission part is connected to a movable contact of the automatic transfer switching equipment. A side board of the machine architecture is provided with a stop matched with the transmission part of the suspended arm. The shape of a cross section of the pendulum member is of a U shape. The front end of the pendulum member is movably sheathed on a connection part of the suspended arm through the pin shaft. The connection part of the suspended arm is provided with a hook-shaped body matched with the front end of the pendulum member. The reset torsion spring is sheathed on the pin shaft. One end of the reset torsion spring is clamped in a U-shaped groove of the pendulum member. The other end of the reset torsion spring is clamped in the hook-shaped body of the connection part of the suspended arm. The reset torsion spring hinges the pendulum member on the connection part of the suspended arm. The tail end of the pendulum member props against the peripheral wall of the spindle. The anti-bounce apparatus has the advantages of simple structure, prominent anti-bounce effect, stable and reliable performance and so on.

The invention discloses a manipulator with a motion controlled by a torsion spring and steering engines. The manipulator comprises a palm, a thumb, a forefinger, a middle finger, a ring finger and a little finger; an external part of the palm includes a hand back stopper, a hand back block, a palm block, a palm stopper and a thumb pressing block; the thumb pressing block is aslant inserted in a groove in the thumb position on the hand back block; the palm block is tightly combined with the hand back block and the thumb pressing block through a lap of limiting structures, and is locked with the same through a center bolt and a center nut in middle; the palm stopper and the hand back stopper are respectively clamped in grooves of the palm block and the hand back block for covering the center bolt and the center nut; and an internal part of the palm includes a steering engine bracket, five steering engines, five coil tillers, a thumb guide frame and a four-finger guide frame, wherein the five coil tillers are locked on output shafts of the five steering engines through screws. The manipulator is flexible and light in structure and simple and precious in control, improves the simulation capacity, and is low in cost and simple and beautiful in appearance.

The invention provides a handle lock body. The handle lock body comprises a shell, a side plate, a main lock tongue and a secondary lock tongue, wherein a left opening is formed in the shell; the side plate is fixed on the shell; the main lock tongue and the secondary lock tongue are articulated with the side plate; a linkage sheet, a rotating shaft and a rocking arm are also arranged in a cavity; two ends of the linkage sheet are articulated with the main lock tongue and the secondary lock tongue; a first torsion spring is arranged between the linkage sheet and the inner wall of the cavity; the rotating shaft is supported in the middle of the cavity; the rocking arm is mounted on the rotating shaft; an extension part extends leftwards from the rocking arm; a first tension spring is arranged between the rocking arm and the inner wall of the cavity; a handle plug hole is formed in the shell. The invention also provides a handle lock; the handle lock comprises the handle lock body, an outer handle panel, an inner handle panel, an inner grip component, an outer grip component, a lock cylinder and a locking and pulling block; an inner grip and the locking and pulling block are mounted on the inner handle panel; an outer grip and the lock cylinder are mounted on the outer handle panel. The handle lock body can be opened by slightly changing the angle of the rocking arm, so that the handle lock is simple and convenient to operate.

The invention relates to a construction robot chassis, which belongs to construction machinery. The technical solution adopted in the present invention is: the chassis of the construction robot, including the chassis, the four corners of the chassis are provided with moving wheels that move in the left and right directions, and the feature is that the lower part of the chassis is provided with a front double-wheel wheel set and a rear wheel that can be lifted simultaneously. The direction wheel, the double-wheel wheel set and the direction wheel move in the front and rear directions, and the double-wheel wheel set is coaxially driven. The motor of the wheel set can rotate the direction of the steering wheel. The steering shaft of the steering wheel is equipped with a torsion spring. After the steering wheel is subjected to the deflection force, the direction is deflected and the torsion spring is deformed. After the force on the steering wheel disappears, the torsion spring restores and drives the steering wheel to recover. In the original direction, there are main frame fixing positions on both sides of the chassis.

The invention provides a wave energy recycling device in order to recycle wave energy in the perpendicular direction of seawater. The wave energy recycling device mainly comprises an axial hollow float, an energy recycler and a special cable mooring device, wherein the energy recycler is connected with a float bolt through a bottom flange plate; an integrated rotary drum is supported by a conical roller bearing; an outer ring of the bearing is fixedly welded with a supporting ribbed plate; the rotary drum is connected with the supporting ribbed plate through a torsional spring; a rotating shaft of a power generator is connected with the rotary drum through a spline; a shell of the power generator is fixed on the ribbed plate through bolt connection; one end of a drum winding cable is knotted after passing through a through hole in a cable winding shaft of the rotary drum and is connected with the rotary drum in an energy recycling mechanism; and after the other end of the drum winding cable penetrates through a shaft hole in the float and a middle shaft hole of the special cable mooring device, the tail of the cable is knotted and locked. Two cable tying rings are welded on the special cable mooring device and are connected with a fixed cable of the float. When the seawater moves, waves enable the drum winding cable to vibrate up and down so as to rotate the rotary drum to drive the power generator to rotate, and conversion from wave energy of the seawater into electric energy is realized.

The invention provides a plug-pull-type fast lock for a gauge board box cover. The fast lock is long in service life and enough in clamping force. The fast lock comprises a spring bolt fixed on the inner side of the box cover and further comprises a lock table, a support shaft, a first claw, a second claw and a torsion spring which are arranged in a box body. A vertical slide hole is formed in the lock table, and the support shaft is arranged in the slide hole and has vertical degree of freedom. The first claw and the second claw both comprises a connection portion, a transition portion and a clamping portion, the connection portion, the transition portion and the clamping portion for a U shape, the U-shaped openings of the first claw and the second claw face each other, the connection portions of the first claw and the second claw are both hinged to the support shaft, the clamping portions of the first claw and the second claw abut against each other when not clamping the spring bolt, the middle of the torsion spring is wound around the support shaft to be located on one side of the clamping portion of each claw, two ends of the torsion spring are fixed on the lateral direction of the lock table, a tip is arranged at the front end of the spring bolt, and the rear end of the spring bolt is provided with the frustum-shaped clamping connection portion.

The invention discloses a device for automatically assembling a vehicle lock torsion spring. The device includes a door lock torsion spring straight vibration track, a torsion spring slide way end blocking piece is installed at the end of the door lock torsion spring straight vibration track, a magnetic induction switch I is arranged on the torsion spring slide way end blocking piece, a torsion spring overturning block is arranged on the torsion spring straight vibration track on one side of the torsion spring slide way end blocking piece, a torsion spring clamping jaw is arranged on one sideof the upper part of the torsion spring overturning block, the torsion spring clamping jaw is connected with a clamping jaw cylinder, and the clamping jaw cylinder is fixed to a moving device. The device has the beneficial effects that the requirements of the automated flow production are met, the interchangeability is high, the structure is reasonable, the stability is good, and installation andmaintenance are convenient.

The invention discloses a mechanism used for storing drinks on a buggy. The mechanism comprises a box (1). A cover plate (2) is connected to an opening of the box (1). A rotary disc (3) is connected into the box (1) in a rotating mode. The rotary disc (3) is provided with supports (4). The adjacent supports (4) are connected through arc-shaped baffles (25). The supports (4) and the arc-shaped baffles (25) form a ring-shaped structure (26). An ice bag is contained in the ring-shaped structure (26). A power device is arranged on the bottom of the box (1). A first through hole (6) is formed in the lower end of each support (4). The cover plate (2) is provided with a second through hole (7). A rotating plate (8) is connected to the position, located at the position of the second through hole (7), of the cover plate (2) in a rotating mode. A torsion spring used for resetting the rotating plate (8) is arranged on a rotating shaft between the rotating plate (8) and the cover plate (2). The mechanism used for storing the drinks on the buggy enables drink bottles to keep refrigerated and enables the drink bottles to be taken out conveniently.

The invention relates to a display-type miter ladder, comprising a first ladder frame and a second ladder frame, characterized in that: one end of the first ladder frame and the second ladder frame are movably connected by a hinge, close to the joint, at the A first storage box and a second storage box are symmetrically arranged on the first ladder frame and the second ladder frame, and the shapes of the first storage box and the second storage box are consistent; A support shaft, the support shaft is provided with a roller, the roller is connected to the support shaft through a torsion spring, and an advertisement display is wound on the roller. At this time, a There are support rods. In this way, when it is usually used for climbing work, the storage box can increase the area on the top of the ladder, which is convenient for placing tools. When it is idle, it can also pull out the advertising banner from the storage box and fix it, so that the ladder The left and right sides are covered with advertising banners, which are convenient to be placed at the door and used as advertising racks, and the use function of the ladder is increased.

A mower deck spindle cover includes a panel that covers a spindle pocket on a mower deck in a lowered position. The spindle cover is attached to a mounting arm for pivoting between the lowered position and a raised position. A torsion spring biases the panel to the lowered position. The spindle cover cannot be removed from the mower deck unless them mower deck is separated from the tractor or vehicle.

The invention discloses a bearing oiling auxiliary device which comprises a base, wherein a conveyor belt for conveying a bearing is arranged on the upper end face of the base; an auxiliary mechanismfor assisting oiling is further arranged on the base; a support block is arranged on the upper side of the conveyor belt; a rotary groove is formed in the support block, the opening of the rotary groove is leftwards, and the upper end wall and the lower end wall of the rotary groove communicate with the external part; a rotary shaft is rotatably connected between the front end wall and the rear end wall of the rotary groove; a sliding rod is fixedly connected with the rear end wall of the rotary groove through a torsion spring; and a rotary plate is further fixedly connected onto the rotary shaft, and the left end of the rotary plate is positioned at the external part. The bearing oiling auxiliary device is simple in structure and convenient and fast in operation, automatically finishes the process of taking, placing and oiling through mechanical driving to reduce the step of manual operation, improve the working efficiency and lower the workload, and automatically finishes rotation ofinner and outer rings after oiling to uniformly apply lubricating oil between the inner and outer rings and improve the oiling quality.

The invention relates to a discharging device for paper tube detection. The discharging device comprises a rack, a transmission chain, bottom plates, discharging hoppers and turnover plates. The bottom plates are fixedly connected to the transmission chain. The turnover plates are arranged on the discharging hoppers in an upwards inclined manner. A torsion spring is arranged between each turnover plate and the corresponding discharging hopper and used for controlling the corresponding turnover plate to turn over downwards and return. A limiting baffle is arranged on each discharging hopper. The discharging device has the beneficial effects that paper tubes are discharged and collected through the discharging hoppers, then transmission discharging of the discharging hoppers is achieved through the transmission chain, the work intensity in the existing paper tube detection discharging process is reduced, the detection efficiency is improved, and the discharging effect is good; by means of the arrangement of the turnover plates, the paper tubes can be prevented from falling off in the ascending process of the discharging hoppers; by means of the arrangement of the torsion springs, it is guaranteed that the paper tubes can enter the discharging hoppers normally, and return of the turnover plates is guaranteed; and by means of the limiting baffles, the return amount of the turnover plates can be effectively limited, and it is guaranteed that the turnover plates return reliably.