79results about How to "Improve sealing" patented technology

A wireless device (150) and related method of monitoring or controlling a process includes a housing (200) having a mounting structure (300) for rigidly connecting the wireless device with respect to a solid surface, such as within a processing facility (125). An antenna assembly (250) has a movable connection (e.g., using set screw 310 and channel 425) with the housing (200), wherein the antenna assembly can be moved with respect to the housing (200), and wherein the movable connection maintains a hermetic seal and an explosion-proof flame path of the housing and the antenna assembly. The wireless device (150) can include a transmitter, receiver or a transceiver coupled to the antenna assembly (250), wherein the wireless device (150) is operable to wirelessly transmit using the antenna assembly to a remote receiver or receive information from a remotely located transmitter.

The invention discloses an electronic cigarette comprising an atomizer and a power supplying assembly. A main control board is disposed in the power supply assembly; the atomizer is formed by a top cover, a pedestal, a light-transmitting sleeve and an atomizing assembly accommodated in the light-transmitting sleeve; the light-transmitting sleeve is connected with the top cover and the pedestal; anoil storage cavity is formed between the light-transmitting sleeve and the atomizing assembly; an atomizing cavity is disposed in the atomizing assembly; at least one oil guide port communicating with the oil storage cavity is formed in the atomizing assembly; the top cover is formed by a cover body, a suction nozzle and a smoke discharging pipe; the cover body is provided with an oil injection hole and an air inlet cavity; the smoke discharging pipe is at least partially accommodated into the air inlet cavity; two ends of the smoke discharging pipe respectively communicate with the suction nozzle and the atomizing cavity; the pedestal has a seat body, an electrode assembly and an illuminating assembly irradiating the oil storage cavity; the seat body is fixed on the power supply assembly; the electrode assembly is electrically connected to the atomizing assembly and the main control board; the illuminating assembly is fixed on the seat body; and the illuminating assembly is electrically connected with the main control board. The technical scheme can effectively reduce oil leakage and suction nozzle burn during the use of the electronic cigarette; and user use experience can be enhanced.

The invention provides an automobile doorsill which is good in stamping performance and high in sealing performance. The bottom of the automobile doorsill is high in corrosion prevention performance. The automobile doorsill structurally comprises a side wall shell plate and a doorsill body, the section of the side wall shell plate is 'C'-shaped, the side wall shell plate and the doorsill body are relatively fixedly welded to form a cavity structure, the section of the cavity structure is 'square', a plurality of wedge-shaped bosses are arranged among the lower portion of the doorsill body and welded edges of the side wall shell plate, and leaking liquid holes are arranged on the wedge-shaped bosses. The wedge-shaped bosses are formed on the lower portion of a doorsill assembly and can realize effects of reinforcing ribs and rebounding ribs, so that the rigidity and the strength of the doorsill assembly are improved, and the wedge-shaped bosses are favorable for stamping of the doorsill assembly. Besides, the leaking liquid holes are arranged on the wedge-shaped bosses, difficulty in spraying sealants at the bottom of the doorsill is reduced, working hours and consumption of the sealants are also reduced, and the sealing performance of a cavity of the doorsill is improved.

The invention relates to a turbine wheel (1) for a turbomachine, the disk (4) of which comprises upstream and downstream ribs (14a, 14b) extending in the annular direction around an axis (2), each blade segment (6) installed on the disk possibly being retained by the disk in an external radial direction using upstream engagement means (16a) forming part of the segment root (8) and capable of cooperating with complementary upstream engagement means (18a) forming an external radial end of the upstream rib, and downstream engagement means (16b) forming part of the root and capable of cooperating with complementary downstream engagement means (18b) forming an external radial end of the downstream rib. Furthermore, the upstream and downstream ribs are designed so that they can be moved from a separated engagement position to a close position, and vice versa, so that each blade segment can be assembled on the turbine disk.

The invention discloses a multi-span greenhouse, belongs to the technical field of agriculture, and solves the problems that an existing greenhouse for crops has a single-layered greenhouse structure,a heat-insulation curtain is arranged in the greenhouse, but the heat-insulation property is poor, and thus, crops get frozen and then die. The multi-span greenhouse is technically characterized by comprising a first greenhouse body, a second greenhouse body, stand columns and vertical ventilating openings, wherein the second greenhouse body is arranged on the right side of the first greenhouse body; the bottom of the first greenhouse body and the bottom of the second greenhouse body are fixed on the ground; the stand columns are fixedly mounted in the middle of the ground; greenhouse films with the same length are separately laid on the outside of the first greenhouse body and the outside of the second greenhouse body; by arrangement of the vertical ventilating openings, strong air convection is formed favorably, and thus, cooling and exhaust of moisture of the greenhouse are facilitated; and by arrangement of a first heat-insulation film, a second heat-insulation film and a third heat-insulation film, the sealing property of the greenhouse can be improved, and meanwhile, the heat-insulation effect is improved.

The present invention discloses a production process of a ceramic cover plate, comprising the following steps of weighing: weighing solid materials respectively according to a ratio; ball milling: mixing well the solid materials, and ball-milling; mixing: mixing the ball-milled mixed power and an organic solvent according to a weight ratio of 1:(1-3) to obtain a slurry; forming: injecting the slurry respectively into a ceramic cover plate mold and a ceramic base mold, and forming to obtain a ceramic cover plate blank and a ceramic base blank; assembling: after covering the ceramic base blank with a layer of anti-adhesion powder, and assembling the ceramic cover plate blank and the ceramic base blank; sintering: placing the assembled ceramic cover plate blank and ceramic base blank in a sintering furnace, sintering at 1300-1600 DEG C for 5-20 hours to obtain the ceramic cover plate and a ceramic base; and deburring the ceramic cover plate to obtain a product. By using the production process, the product rarely deforms during sintering, product yield is increased, production cost is reduced, and product dimensional accuracy is improved.

The invention relates to a gate valve. The gate valve comprises a valve body, a feeding port and a discharging port are formed in the valve body, the central axis of the feeding port and the central axis of the discharging port are arranged in a collinear mode, and a valve plate used for closing a channel between the feeding port and the discharging port is arranged at the junction of the feedingport and the discharging port in the valve body; the valve body is provided with a sliding way for the valve plate to slide in the direction perpendicular to the central axis of the feeding port, andthe valve body is provided with a control mechanism for controlling the valve plate to slide along the sliding way; the control mechanism comprises a valve rod which is fixedly connected with the valve plate and penetrates through the valve body in a sliding mode in the central axis direction of the sliding way, and a lifting assembly which is arranged on the valve body and used for controlling the valve rod to rotate, and the lifting assembly is arranged outside the valve body. The gate valve disclosed by the invention has the effect of improving the sealing performance.

The invention discloses a high-reliability floating hard-seal ball valve, and relates to the field of pipeline valves. The high-reliability floating hard-seal ball valve comprises a valve body, a valve seat, a ball body and a sealing performing improving piece; a first accommodating space and a first flow channel passing through the first accommodating space are arranged in the valve body; the valve seat is arranged in the first accommodating space; the valve seat is internally provided with a second accommodating space and a second flow channel passing through the second accommodating space;the second flow channel communicates with the first flow channel; the ball body is rotationally arranged in the second accommodating space; the second accommodating space is matched with the ball bodyin shape; a third flow channel used for communicating with the second flow channel is arranged in the ball body; and the sealing performance improving piece is used for separately acting on the valvebody and the valve seat and providing an acting force facing the ball body for the valve seat. The high-reliability floating hard-seal ball valve has the advantages that the sealing performance is improved, and the service life is prolonged.

The invention discloses an indoor ceiling and a construction method thereof, relates to the technical field of house construction, and aims to solve the technical problem of poor sealability in connection between adjacent ceilings. The invention provides the technical scheme point that a first clamping piece and a second clamping piece are arranged on two sides of a ceiling bottom plate; the firstclamping piece can be mutually clamped with a second clamping piece on an adjacent ceiling bottom plate; each first clamping piece comprises a first horizontal plate, a second horizontal plate and afirst vertical plate located between the first horizontal plate and the second horizontal plate; each second clamping piece comprises a second vertical plate and a third horizontal plate perpendicularto the second vertical plate; a storage groove is formed in each third horizontal plate; a clamping block is inserted into the corresponding storage groove; a clamping groove for inserting the corresponding clamping block is formed in the corresponding second horizontal plate; the depth of each clamping groove is smaller than the length of each clamping block; and a waterproof glue layer is arranged on the outer side wall of each third horizontal plate. An effect on improving the sealability in connection between the adjacent ceilings is achieved.

Provided is an elastic member which is obtained by forming a resin coating layer on at least a part of the surface of a base that is formed of an elastic material, and which is characterized in that the resin coating layer is a coating film that contains 1.5-45 parts by mass of a low-friction powder per 100 parts by mass of a base resin and has a 100% modulus of 22-30 MPa. This elastic member has a resin coating layer that has a good balance between film formability and low friction, and is suitable as a sealing member for an opening part of a toner container that is provided on a toner cartridge of a printer, a copy machine or the like.

The invention relates to the technical field of fitness equipment, and discloses a solar weight measuring device mounted on outdoor fitness equipment. The solar weight measuring device comprises a base, wherein bearings are mounted on the left side and the right side of the top of the base, a rotating rod is fixedly connected to a middle shaft of the bearings, a rotating disc is fixedly connected to the top of the rotating rod, and a weighing sensor is fixedly installed in the middle of an inner cavity of the rotating disc. According to the invention, a human body stands on a supporting disc to extrude a travel switch so as to start the weighing sensor and a display screen, and then the weighing sensor displays the weight of the person on the display screen; meanwhile, two soles are placed on a first electrode plate and a second electrode plate respectively, current and the interior of the human body form a closed loop, then a current sensor monitors the current passing through the human body, an electrical impedance value is obtained through a microprocessor according to the current, and the body fat rate of a person is displayed on the display screen; and a conductive block is inserted into a circular notch, so weighing and body fat measurement are not affected during exercise.

A catheter assembly includes a catheter, a hub, and a sealing member. The catheter defines one or more lumens. The hub includes one or more hub extensions dimensioned to be received within the one or more lumens of the catheter. The sealing member is positioned adjacent the interface of the catheter and the hub. The sealing member includes an expandable material which increases in volume upon exposure to moisture.

A vehicular sweeping machine includes a frame, a broom that is adapted to rotate about a generally horizontal axis and a broom enclosure. The broom enclosure has a left end gate, a right end gate and a moldboard assembly including an outer moldboard and an inner moldboard which are arranged to form a labyrinth seal at the rear of the broom enclosure.

The invention discloses an efficient and convenient pesticide mixing device which comprises a water pump, a mixing box and a pesticide funnel, wherein a stirring paddle, a motor baffle and a motor are arranged in the mixing box; the stirring paddle and the motor are arranged at two sides of the motor baffle respectively; the pesticide funnel comprises a cover plate, a buckle, a funnel, a water pipe and a flow rate control valve. According to the efficient and convenient pesticide mixing device, the flow rate control valve is used for controlling pesticides to drop at a constant speed, and the dropping speed is proportional to the water pumping speed of the water pump, so that water pumping and pesticide mixing are carried out simultaneously, convenient and rapid effects of the device are realized and the needs of farmers are well met; meanwhile, in the course of mixing the pesticides, through the stirring paddle to continuously stir, the pesticide mixing speed is increased, the pesticides are guaranteed to be mixed uniformly, and the effect of saving labor is also realized.