13 results about "Coil spring" patented technology

An elevator is provided which has a structurally simple and inexpensive guiding device. The elevator is made up of a pair of guide rails (1) arranged in the hoistway, and an elevator car (43) that lifts along the guide rails (1), wherein there are clamping guide rails (1) from both sides and Two rollers (2a, 2b) are used to apply pressure, and the pressing force exerted by the two rollers (2a, 2b) on the guide rail (1) is controlled by an actuator (33). Helical springs (4a, 4b) for pressing the rollers (2a, 2b) against the rail (1) are fixed by rods (5a, 5b) attached to both ends of a movable member (35) movable in the horizontal direction . And, the compression force of the coil springs (4a, 4b) can be changed according to the vibration of the elevator car (43) and the unbalanced state of the load by the control force of the actuator (33).

An orthotic apparatus for assisting a person having an orthotic disability, such as foot drop, comprising an ankle belt component and a shoe/foot belt component connected by a pair of coil springs which are adjustably and releaseably attached between the belts. The foot at the beginning and end of the step will flex, due to the springs, and still return to lift the foot, which allows for normal walking and requires no special adaptation to the shoe.

The invention relates to a novel logistics stacking box which comprises a box body. A first partition plate is embedded in the box body. The left side and the right side of the first partition plate are connected with the left wall and the right wall of the box body in a sliding manner respectively. A left bar-shaped locating hole and a right bar-shaped locating hole are formed in the upper portion of the left wall of the box body and the upper portion of the right wall of the box body respectively. A left locating bolt and a right locating bolt are arranged on the left side and the right side of the first partition plate respectively. A second partition plate and a third partition plate are embedded between the front wall of the box body and the first partition plate. At least one telescopic rod is connected between the second partition plate and the third partition plate, wherein the outer portion of the telescopic rod is sleeved with a spiral spring. An upper bar-shaped locating hole and a lower bar-shaped locating hole are formed in the upper portion and the lower portion of the front wall of the box body respectively. An upper locating bolt and a lower locating bolt are arranged on the second partition plate. By means of the structure, cargos placed in the novel logistics stacking box can be effectively clamped and fixed, and therefore the use performance of the stacking box and storage and transportation safety of the cargos are greatly ensured.

A firearm has a first side, a second side, a forward section with a barrel, and a rearward section with a stock. The firearm has a central section with an actuation button on the first side and a bolt catch and bolt catch linkage on the second side. A magazine and magazine release are between the actuation button and the bolt catch linkage. An actuation pin extends through the central section from the actuation button to both the bolt catch linkage and the magazine release. A coil spring urges the actuation button outwardly to an inoperative extended orientation. The actuation button is adapted to be depressed for both releasing the magazine and engaging the bolt catch.

The invention discloses a side face high-efficiency grinding machine used for rod-shaped objects. The side face high-efficiency grinding machine comprises a bottom supporting base plate. By means of the side face high-efficiency grinding machine, a rod body needing to be ground can be horizontally fixed, and then grinding is conducted through a grinding sheet rapidly rotating; during grinding, thepart where the grinding sheet is located can be manually moved; meanwhile, the rod body can be rotated by 360 degrees, and therefore the all-directional grinding effect can be achieved for the rod body; in addition, most of parts of the device are mechanical parts, and therefore cost is low, and the maintenance cost is low; and the device comprises a rod body end portion butt joint limiting rotation stabilization mechanism, one end of the rod body can be limited, and meanwhile the normal rotation effect of the rod body cannot be influenced. In addition. The device comprises a spiral spring elastic control type maximum rotation capacity control mechanism, the maximum value of the rotation strength can be controlled through elasticity of a spiral spring, and the situation that because resistance is too large, the rod body is excessively ground is prevented.

The invention discloses a charging gun with a wire take-up function. The wire take-up method of the charging gun has three designing schemes, including the way of taking up a wire through driving a wire take-up device by means of a motor, the way of charging a battery through shaking a power generation device, and the way of taking up the wire by means of a coil spring device. The three designing schemes have good wire take-up effects. The charging gun is provided with the wire take-up device, which can take up a wire cable into a wire take-up outer shell quickly, thereby preventing the wire cable from being messy, and protecting the wire cable arranged inside the wire take-up outer shell against ground abrasion.

An adjustment module includes a frame, a sliding member, at least one coiled spring, a pair of guide rails, and a supporting member. The frame includes a main plate. The at least one coiled spring includes an extending portion and a sleeved coiled portion. The guide rails are positioned on opposite sides of the frame. The supporting member is fixed on the frame and has at least one supporting surface. The sliding member is slidably positioned between the guide rails. The coiled portion of the at least one coiled spring is positioned on the at least one supporting surface. An end of the extending portion of the at least one coiled spring is fixed on the sliding member, and an axis of the coiled portion of the at least one coiled spring is substantially perpendicular to the main plate.

The invention relates to a coaxiality adjuster for a bearing outer frame and an inner frame, which includes a support shell, the support shell includes a cylindrical cavity, and a bearing outer frame adjustment device is connected to the closed bottom plate of the cylindrical cavity. Mechanism, the bearing outer frame adjustment mechanism includes an annular bearing outer frame top pressure plate coaxial with the support shell, an elastic metal ring A is arranged on the outer edge of the bearing outer frame top pressure plate, and several annular arrays for Extrude the screw rod of the elastic metal ring A; an annular bearing inner frame support sleeve is also arranged in the support shell, and a bearing inner frame thrust ring is slidably connected in the bearing inner frame support sleeve, and the bearing inner frame thrust ring is driven by the screw rod. Push the bearing inner frame; the edge of the bearing inner frame support sleeve is fixedly connected with the inner wall of the support shell through the connecting ring, and the bearing outer frame support ring is connected to the connecting ring through a coil spring, and the bearing support ring is vertical An elastic metal ring B is provided.

The invention relates to a roller shutter type storage box for a vehicle, which comprises a box body (1) and a roller shutter cover (3), wherein the upper end of the box body (1) is provided with an opening and two sides of the box body (1) are provided with guide rails (2), and the roller shutter cover (3) is arranged on the opening of the box body (1) and can slide back and forth relative to theguide rails (2); the storage box is characterized in that the roller shutter cover comprises a plurality of roller shutter strips (31) and a coil spring (32), wherein the roller shutter strips (31) are arranged side by side; the coil spring (32) can bend and is arranged on the inner walls of the roller shutter strips (31) to assemble the plurality of roller shutter strips (31) into a whole. The roller shutter strips are separately arranged and connected through the coil spring, so that the limitation of the prior material is broken through, different materials and appearance decorative piecescan be applied to the roller shutter cover, the processing requirements of various processes can be met, meanwhile, the coil springs have certain deformation and toughness, and a certain damping sense is provided in the sliding process, and the operation hand feeling is better.

The invention discloses a suspended heating tube for water boiling. wherein the suspended heating tube comprises a tube body, an insulating sealing seat which is arranged at one end of the tube body,and an electric wire which is connected with an electric heating wire. The insulating sealing seat is provided with a box body. The box body is internally provided with a first chamber and a second chamber. The sidewall of the box body is provided with a first wire outlet and a second wire outlet. The first chamber is internally provided with a first shaft which is arranged coaxially with the first chamber, a first coil spring which sleeves the first shaft, and a first traction belt which winds the first coil spring. One end, which is far from the first coil spring, of the first traction beltis provided with a first snapping head which is fixed with the first traction belt. The second chamber is internally provided with a second shaft which is arranged coaxially with the second chamber, asecond coil spring which sleeves the second shaft, and a second traction belt which winds the second coil spring. One end, which is far from the second coil spring, of the second traction belt is provided with a second snapping head which is fixed with the second traction belt. The box body is provided with a first push block and a second push block. The suspended heating tube has advantages of high safety and high convenience in use.

The present invention provides a brake mechanism and a movable table provided with the brake mechanism, wherein the brake mechanism has a simple structure and a shape that are not restricted by the caster wheels being used and is easy to operate. The movable table (1) of the present invention comprises a table top (10), support column parts (20) and foot parts (30); the foot parts (30) are provided with brake mechanisms (40) and caster wheels (43). As structures of the brake mechanisms (40), the foot parts (30) are provided with first brake mechanisms (41) and second brake mechanisms (42). A Brake part used for braking the movable table (1) is provided with a brake block (421), a brake block holding part (422), a support shaft (423) capable of supporting a rotating brake block holding part (422) and a torsional coil spring (424); the brake block (421) is abutted against a ground part via rotating movement of the brake part.

The invention discloses a medical atomization device which comprises an atomizer body, a spray head, a connecting pipe, a filter screen, a handle, a circular ring, an inclined block, a T-shaped block,a first spring, a second spring, a fixing ring, a clamping block, a bolt, a third spring, a nut, a fourth spring, a square frame, a fixing pin, a reset coil spring, a pull rod, a clamping rod, a clamping groove, a fifth spring and a protection barrel. The spray head is inserted into a protective barrel, the circular ring extrudes the inclined block, so that the inclined block moves, the inclinedblock moves to drive the T-shaped block to move, the T-shaped block moves to stretch the first spring, the first spring generates elastic force, when an annular groove in the circular ring is alignedwith the inclined block, the T-shaped block moves to drive the inclined block to move into the annular groove under the action of the elastic force of the first spring, then the spray head is installed in the protective cylinder, the bolt moves along the nut, the bolt moves to drive the clamping block to move, and the clamping block moves and extends to the outer side of a groove, so that the installation of the filter screen is completed.