16results about How to "Realize the sealing function" patented technology

The utility model discloses a ball valve, including valve body, flow passage, ball and drive part. The valve body is equipped with filter assembly, including filter block and fixed part, is equipped with installation cavity on filter block, is equipped with filter screen in installation cavity. The arc rotation groove is equipped on filter block, and the flow passage department of valve body one side is equipped with limit stop, and the limit groove that communicates rotation groove is still equipped on filter block, and the fixed part is inserted in the junction of rotation groove and limit groove to fix filter block. The support frame is equipped on filter screen, and the outer periphery of support frame is equipped with support block, and the arc installation groove is equipped in filter block, and support block realizes support frame installation in the sliding of installation groove. The fixed ball and spring are equipped in installation groove, and spring drive fixed ball and support block on the cooperation locking of clamping groove. The fixed part includes locking frame, and is equipped with limit portion and abutting portion on it, and abutting portion abuts in rotation groove, and limit portion is inserted in the sealing groove on valve body. The utility model filter assembly convenient to dismount, and fixed reliable, is convenient for washing or replacement filter screen.

The application provides a plug connector with printed board fixing and protection components, relates to the technical field of connectors, and comprises a plug, a printed board and printed board fixing and protection components. The tail end of a contact in the plug is welded with the printed board in a plug-in manner. The printed board fixing and protection components are wrapped outside the printed board and are detachably connected with the tail end of the plug. The printed board fixing and protection components comprise a fixing box, printed board fixing screws, a sealing washer, cover plate fixing screws and a cover plate. The head of the fixing box is provided with a threaded structure. A plurality of threaded holes A are arranged on the tail end face of the fixing box. The sealing washer is arranged between the fixing box and the cover plate. The cover plate fixing screws pass through the cover plate and the sealing washer and are arranged in cooperation with the threaded holes A, so that the cover plate seals and fixes the tail end of the fixing box. A plurality of threaded holes B are arranged in the fixing box. The threaded holes B cooperate with the printed board fixing screws to fix the printed board, so that the printed board is fixed, connected and protected.

The utility model discloses an externally-hung vacuum display control device which comprises a display control cabinet, a limiting ring and a lifting rod. The limiting ring is rotationally connected to the upper portion of the display control cabinet, and a plurality of lifting rods are arranged on the upper portion of the display control cabinet; the three extrusion plates slide in the limiting ring; the inner air bag is mounted on the outer side of the lifting rod; the water pipe is arranged at the lower end in the display control cabinet; the fixing ring is arranged in the limiting ring, and a fixing rod for driving the extrusion plate to move is clamped in the fixing ring in a sliding manner; and the tubular column is fixed to the lower end of the interior of the display control cabinet, and a piston slides in the tubular column. According to the externally-hung vacuum display control device, the gap between the lifting rod and the extrusion plate is filled with the inner air bag, so that the sealing function is achieved, water is prevented from entering the display control cabinet, the phenomenon that internal parts are aged is prevented, and the internal parts are protected.

This invention relates to the field of support structure technology, specifically to a prefabricated double-row steel sheet pile foundation pit support structure and construction method. The support structure includes a locking mechanism and a protective mechanism. The locking mechanism includes a lock body, an airbag block, and a sealing connection part. The lock body is a plate-shaped structure with slots on both side walls. An air cavity is formed inside the lock body. An opening communicating with the air cavity is formed on the inner wall of the slot. The airbag block is located on the inner wall of the slot and communicates with the opening. Multiple circular openings a communicating with the air cavity are formed on the inner wall of the slot. Multiple sets of sealing connection parts are provided and connected inside the air cavity. The protective mechanism includes a protective plate and an elastic membrane. Two sets of protective plates are respectively attached to both sides of the steel sheet pile body and detachably connected to them. Multiple grooves are formed on the protective plate. The elastic membrane is connected to the groove openings. This invention can significantly reduce the friction between the steel sheet pile and the locking body, as well as the friction between the steel sheet pile body and the soil sidewall, thereby reducing the difficulty of pile extraction.

The utility model belongs to the technical field of neon lamp strips, and particularly relates to a plug-in type assembled neon lamp strip which comprises a first connector. One side of the first connector abuts against a second connector through a fixing mechanism, a plug is fixedly installed in the second connector, and a socket is fixedly installed in the first connector; wherein the plug comprises a plug-in main body, a reed is fixedly mounted on one side of the plug-in main body, and the reed is used for driving the plug-in main body to be clamped with the fixed seat, so that the plug-in main body drives one end of the conductive assembly to slide in the fixed shell. According to the utility model, the two neon lamp strips can be assembled in a plug-in manner through the first connector and the second connector as well as the socket and the plug which are arranged inside the first connector and the second connector, and the neon lamp strips and the plug-in assembly structure are simpler and more convenient to install, so that the neon lamp strips can be effectively prevented from loosening and falling off.

The utility model discloses an arc light on-line monitoring device for a power distribution switch cabinet, which comprises a cabinet body, heat dissipation holes are uniformly formed in the middle of the bottom of one side of the cabinet body, and a sealing assembly is arranged at the bottom of one side, close to the heat dissipation holes, in the cabinet body. Through the structural design of a first baffle, a second connecting rod, a first push block, a second push block, a third spring, a second baffle and a guide groove, the second baffle can be pushed to move in the guide groove through the matched design of the second connecting rod, the first push block and the second push block when the first baffle moves downwards, and then through holes formed in the second baffle are staggered from heat dissipation holes; through the design cooperation of the components, the sealing function of the interior of the cabinet body can be achieved, dry powder is effectively prevented from leaking out through the heat dissipation holes when falling off in the later period, flames can be prevented from leaking out, circulation of air in the cabinet body is isolated, and the fire extinguishing function in the cabinet body is achieved again. And the safety performance of the device in later use can be further improved.

This utility model relates to the field of expansion joint technology, providing a force-transmitting expansion joint, including a sleeve, with an inner tube disposed on one side inside the sleeve. Self-locking fixing structures are fixed to the outer walls of both the sleeve and the inner tube. Each self-locking fixing structure includes adjusting blocks uniformly fixed to the outer wall of the inner tube, and positioning blocks uniformly fixed to the outer wall of the sleeve. By providing self-locking fixing structures, this utility model facilitates precise connection between the sleeve and the inner tube under the connection and guidance of the screw. The dual locking action of the first and second self-locking bolts increases the stability of the connection between the sleeve and the inner tube. The limiting action of the limiting bolts facilitates control of the expansion distance between the sleeve and the inner tube. This device achieves the functions of easy self-locking, easy fixing, and easy adjustment of the distance between the sleeve and the inner tube, improving the working efficiency and convenience of the force-transmitting expansion joint during use.

The present application relates to thin film deposition equipment technical field, disclose a shower head and its processing method, the shower head includes: cover plate has the through hole, the through hole includes first hole section and second hole section;Spray plate is provided with connecting column, connecting column includes thread section and base section;Connecting sleeve, including sleeve, sleeve is matched on the outside of thread section;First sealing structure, between the sleeve and the one end of thread section away from base section, the first sealing structure seals the sleeve and thread section.The present application is matched by the sleeve and connecting column thread connection, realize the connection of cover plate and spray plate, the consistency of thread cooperation is higher than welding, can effectively improve the connection precision, in addition, realize the process of connection without using welding and so on heating means, therefore can avoid the deformation of connecting column and so on connecting structure, in addition, still set up the first sealing structure, the first sealing structure can guarantee the sealing performance between connecting sleeve and connecting column, simple structure, convenient operation.

The application discloses a flow guide structure and a water tank, and relates to the technical field of water tanks. The flow guide structure is applied to the water tank. The water tank comprises a tank body and a first pipe joint arranged on the tank body. The flow guide structure is connected to the first pipe joint. The flow guide structure comprises a flow guide pipe and a sealing piece. The flow guide pipe is used for connecting the water tank. The sealing piece comprises a sealing sheet. The sealing sheet is arranged around the flow guide pipe. The sealing sheet is configured to seal the gap between the flow guide pipe and the first pipe joint through elastic deformation. By arranging the sealing sheet, the accuracy requirement of the sealing piece can be reduced by using the elastic deformation of the sealing sheet. In this way, the flow guide pipe can be assembled to the first pipe joint, the sealing function can be realized, and the risk of leakage of the tank body is reduced.

The utility model belongs to the field of daily necessities, specifically is a kind of supermarket shopping bag with expansion function, including bag body;The lower end of bag body is equipped with expansion structure, the upper end of bag body is provided with sealing structure, and the left side wall of bag body is symmetrically equipped with handle;Through expansion structure design, it solves the problem that the internal space of existing supermarket shopping bag is usually fixed, without expansion function, when buying more goods, the expansion bag can be opened to increase the holding space of bag body, improve the use flexibility and practicality of shopping bag;Through sealing structure design, it solves the problem that the existing supermarket shopping bag usually seals the shopping bag by tying the two handles together, this sealing method not only compresses the use space of shopping bag, but also rainwater enters the inside of shopping bag from the sealing place in rainy days, and the waterproof effect is poor, so that the use effect of shopping bag is better.

This utility model discloses a temperature compensator for a fluidized bed dryer, relating to the field of drying equipment technology. It includes a drying chamber with a hot air fan located on the right side and an air inlet duct fixedly connected to the right side. The drying chamber contains a temperature compensation component to compensate for the temperature of the material at the top. This fluidized bed dryer's temperature compensator is equipped with an air distributor, a constant air volume valve, an inner cylinder, an outer cylinder, a temperature compensation pipe, and nozzles. During use, the material is evenly spread on a permeable grate. When temperature compensation is needed, the constant air volume valve is opened, and some of the hot air in the air inlet duct rises along the air distributor, passes through the inner cylinder and outer cylinder, reaches the temperature compensation pipe, and is then sprayed downwards through the nozzles at the bottom of the temperature compensation pipe to compensate for the temperature of the material at the top. This achieves the function of top temperature compensation, solving the problem of devices lacking this function.

The invention provides an airborne high-power shielding serialized bus terminal assembly, and relates to the technical field of airborne high-power power supply and distribution equipment.The airborne high-power shielding serialized bus terminal assembly comprises a frame plate, a bus terminal is inserted in the front side of the frame plate, and the frame plate is in fastening connection with the bus terminal through a positioning piece and a fastening piece in sequence; the frame plate is sleeved with a conductive rubber gasket, and the conductive rubber gasket is tightly attached to the flange face of the frame plate. According to the invention, large-current electric connection requirements of various connection forms can be met, sealing and shielding functions of the bus terminal assembly are realized, and the bus terminal assembly has good insulativity and shielding performance, is also suitable for front and back installation forms, and has good assemblability and maintainability; and when the convergence terminal is locked through the fastener, the convergence terminal is positioned on the frame plate through the positioning piece, so that even if the convergence terminal assembly is subjected to mechanical loads such as violent vibration, impact and the like, the fastener is loosened and falls off, the convergence terminal can still be mounted on the frame plate, and the connection reliability is improved.

The embodiment of the utility model provides a quick opening and closing auxiliary device for an interval single-leaf sealing-proof partition door. The quick opening and closing auxiliary device aims at solving the problems that an existing device is low in opening and closing speed, poor in stability and insufficient in sealing performance. The device comprises a wall body, a sealing movable door, an L-shaped rotating plate, a driving gear, a gear plate, a transmission gear, a hydraulic telescopic device, a sliding rail, a sliding block, a crank sliding block structure, a movable rod, an embedding groove and a supporting rod. The hydraulic telescopic device drives the driving gear to rotate through the gear plate, and the driving gear drives the L-shaped rotating plate and the transmission gear at the same time. Rotation of the L-shaped rotating plate enables the sealing movable door to achieve the rotating action of opening or closing the door, the transmission gear drives the sliding block to slide along the sliding rail through the crank sliding block structure, and the sealing movable door is further assisted to complete the translation action. Due to the double movement mode of rotation and translation, not only is the opening and closing speed of the door body improved, but also the stability and the sealing performance of the door body in the opening and closing process are ensured.

The utility model provides a sealing structure of a high-corrosion-resistance fluorine-lined butterfly valve, which relates to the field of fluorine-lined butterfly valves and comprises a valve body unit, two butterfly valve metal substrates, a fixing ring arranged on one side, far away from each other, of the two butterfly valve metal substrates, and a mounting ring fixedly connected to the surfaces of the butterfly valve metal substrates and the fixing ring, the fixing pin is detachably connected to an inner cavity of the mounting ring; the butterfly valve metal base body serves as a main body structure of a valve, the surface of the butterfly valve metal base body is lined with fluorine, mechanical supporting and connecting effects are achieved, the fixing ring is fixed to a port of a pipeline and provides positioning and supporting for the mounting ring, the mounting ring is matched with the fixing pin, the butterfly valve metal base body can be connected with the pipeline fixedly provided with the fixing ring, and overall disassembly of an assembly is facilitated; therefore, the sealing ring body is convenient to replace, maintainability and reliability of the valve are improved, the containing groove is used for containing the sealing ring body and the positioning assembly, the sealing ring body is used for achieving the sealing function of the valve, and sealing performance and corrosion resistance of the valve are guaranteed.

The utility model relates to the technical field of cosmetic packaging, in particular to a cosmetic subpackaging hose with a smearing function, which comprises a hose body, a hose head and a hose cover. An opening is formed in the top of the tube body, the tube head is detachably connected with the tube body at the opening, and the tube cover covers the tube head and the top of the tube body from the upper portion. A liquid outlet head and a flexible smearing part are arranged at the top of the tube head, and the smearing part is detachably connected with the tube head. According to the utility model, the smearing part is arranged at the top of the pipe head, and cosmetics can be uniformly dispersed and smeared on the skin by adopting the flexible porous sleeve body and the screen structure, so that the dependence on additional tools is reduced, the operation process is simplified, and the use efficiency is improved. In addition, the smearing part can be detached and is convenient to clean or replace, bacterium breeding is effectively avoided, and sanitation and safety of product use are guaranteed.

The utility model relates to nitrogen production technical field discloses a combined nitrogen filter core, including upper filter head, the locking mechanism includes elastic dog, the outside of elastic dog is slid in the outside of upper filter head is connected, the outside of elastic dog is connected with extruding block, the outside fixed connection of upper filter head has fixed shaft, the top fixed connection of fixed shaft has anti -drop spring, the other end fixed connection of anti -drop spring is in the bottom side inside of extruding block. In the utility model, the upper and lower sides of two sealing washers and filter core shell that slide in the outside of upper filter head are adhered to realize sealing and protection function, and the two compression compensation components that slide in the outside of upper filter head realize automatic compensation compression, and the elastic dog that slide in the outside of upper filter head is fixed with the help of extruding block that is connected in the outside of elastic dog and carries out clamping to upper filter head.