27results about How to "Improve installation tightness" patented technology

The utility model relates to the technical field of drill bits, and discloses a drill bit structure with a built-in cooling flow channel, which solves the problem of poor use effect of the existing drill bit and comprises a drill bit body, a mounting seat is fixedly arranged at the top end of the drill bit body, and a water inlet hole is formed in the center of the top end of the mounting seat. The bottom end of the drill bit body is provided with a plurality of drainage holes, the drill bit body is internally provided with a cooling channel communicated with the water inlet hole and the drainage holes, the cooling channel is composed of a main channel, a transition channel, a pressurization channel and a plurality of flow dividing channels, the main channel is located at the top end in the drill bit body and communicated with the water inlet hole, and the transition channel is located at the bottom end of the main channel; the pressurizing channel is located at the bottom end of the transition channel, and the flow dividing channel is located at the bottom end of the pressurizing channel, communicates with the drainage hole and is of an inclined structure. The inner cooling function can be achieved through the drill bit structure, so that the cooling effect is improved, meanwhile, chip removal can be assisted, and use convenience is improved.

The utility model relates to a drainage pipe anti-seepage device which comprises a first drainage pipe, a second drainage pipe and a communicating head, threads matched with each other are arranged on the first drainage pipe, the second drainage pipe and the communicating head, and rubber rings are arranged on the first drainage pipe, the second drainage pipe and the communicating head. The communication head is in threaded connection with the drainage pipe, and the rubber ring in the drainage pipe is utilized, so that the mounting convenience and the sealing performance of the device are improved.

The utility model discloses an air isolation type shaft sealing device, and relates to the technical field of boiler auxiliary equipment. The motor comprises a motor shell plate and a rotating shaft rotationally connected in the motor shell plate, and further comprises a mounting groove body formed in the right side of the motor shell plate, and a mounting ring plate is embedded in the mounting groove body; the side pressure sealing assembly is arranged in the mounting groove body, and the axial sealing assembly is arranged in the mounting groove body. An oil medium can be added into the oil cavity through the arranged oil injection hole, the oil medium can wrap the outer wall of the rotating shaft, certain lubricity is achieved, meanwhile, high-temperature gas is prevented from entering the oil cavity in the axial direction, the arranged trapezoid sealing piece can be clamped in the clamping groove body in a sliding mode, the oil medium is prevented from flowing out, and the sealing effect is good. And the trapezoidal sealing piece has better anti-pressure capability, and high-temperature gas is difficult to enter under certain pressure intensity, so that the high-temperature gas is completely isolated, and the service life of equipment is prolonged.

The utility model discloses a valve actuator convenient to replace a filter element, which relates to the technical field of valve actuators and comprises an actuator body, a water inlet pipe is fixedly arranged at the water inlet end of the actuator body, a rectangular box is fixedly communicated with the water inlet pipe, a filter screen is movably arranged on the inner side of the rectangular box, and a T-shaped plate is arranged at the upper end of the filter screen. A cover plate is detachably installed on the outer side of the T-shaped plate, a sealing gasket is further arranged between the cover plate and the rectangular box, an L-shaped plate is arranged on the outer side of the cover plate, a fixing plate is arranged at the upper end of the outer side of the rectangular box, a limiting rod is horizontally and movably arranged in the fixing plate, and the outer side of the limiting rod is wrapped with a spring. The filter screen can be rapidly replaced by a single person, and in addition, the installation stability and the sealing performance are improved through extrusion deformation of the sealing gasket.

The utility model discloses an accurate grinding aluminum alloy gasket, and particularly relates to the technical field of gaskets, the accurate grinding aluminum alloy gasket comprises a precise gasket main body, the precise gasket main body comprises an upper piece layer, a middle piece layer and a lower piece layer which are sequentially stacked from top to bottom, and annular grooves are machined in the top and the bottom of the middle piece layer. The upper sheet layer and the lower sheet layer are arranged in the two annular grooves respectively, first rubber sealing rings are arranged between the middle sheet layer and the upper sheet layer and between the middle sheet layer and the lower sheet layer, and the top of the upper sheet layer and the bottom of the lower sheet layer are each provided with two protruding rings and a plurality of protruding strips distributed in an annular array mode. The upper piece layer, the middle piece layer and the lower piece layer form the precision gasket main body, the detachable design is adopted, and the independent piece layers can be replaced conveniently through subsequent disassembly, so that the use cost can be saved, and the installation sealing performance of the precision gasket main body is improved through the first rubber sealing ring and the second rubber sealing ring; and vibration at the joint of the precision gasket body can be absorbed and buffered, and vibration transmission is reduced.

The present invention discloses a system equipment for producing hydrogen by electrolysis of water, which relates to the technical field of producing hydrogen by electrolysis of water, and includes an electrolysis box and an electrode assembly, wherein a first mounting frame is fixedly arranged in the electrolysis box, and the electrode assembly includes a frame body and a cover plate, wherein an anode electrode plate and a cathode electrode plate are respectively arranged in the frame body, and a disassembly mechanism is arranged on the frame body and the first mounting frame; the disassembly mechanism includes a first mounting block fixedly arranged on the frame body. The system has the characteristics of strong practicality and the frame body can automatically install and fix the anode electrode plate and the cathode electrode plate when the electrode assembly is installed, which greatly improves the convenience of installing the electrode assembly, and after the electrode assembly is removed, the frame body can automatically release the fixation of the anode electrode plate and the cathode electrode plate, so that when the anode electrode plate or the cathode electrode plate needs to be repaired or replaced separately, there is no need to perform secondary disassembly, which effectively reduces the workload and maintenance cost.

The utility model relates to the field of post-cast strip construction devices, in particular to a construction joint post-cast strip construction leakage-proof device which comprises a leakage-proof plate, the section of the leakage-proof plate is in an isosceles trapezoid shape, arc chamfers are arranged on the edges of the bottoms of the two inclined faces of the leakage-proof plate, the leakage-proof plate is transversely arranged on a post-cast strip and right faces a post-cast strip metal water stop plate, and the leakage-proof plate is connected with the post-cast strip metal water stop plate. Placement holes are symmetrically formed in the bottom of the leakage-proof plate, and longitudinal limiting pieces are mounted in the placement holes; the longitudinal limiting piece comprises rectangular plates symmetrically and fixedly installed on the lower end face of the leakage-proof plate, a guide rod is welded between the two rectangular plates, the outer wall of the guide rod is sleeved with movable columns, a reset spring is installed on the outer wall of the guide rod and located between the two movable columns, and a threaded pipe is installed at the concentric position of the top of each movable column. Through holes are symmetrically formed in the end face of the top of the movable column with the axis of the threaded pipe as the symmetry axis, an adjusting sleeve is connected to the outer side of the threaded pipe through threads, and the anti-leakage device has the advantages of being high in installation stability and good in anti-leakage effect.

The invention relates to a cable through-wall sealing assembly which comprises a main body part and a clamping ring, the main body part partially penetrates through a threading hole of a rib plate in the first direction of cable extension, the main body part is provided with a plurality of wire holes corresponding to a plurality of wires of a cable in the first direction, the inner circumferential face of the clamping ring surrounds and abuts against the outer circumferential face of the main body part, and the inner circumferential face of the clamping ring abuts against the outer circumferential face of the main body part. The side surface of the snap ring abuts against and is fixed to the rib plate.

The utility model discloses an air purification device convenient to clean filter screen, including outer frame, still be equipped with inner frame in outer frame, and inner frame can separate in outer frame, and the front and back surface of inner frame is equipped with first air vent and second air vent respectively, and first filter screen and second filter screen are installed in inner frame respectively, and the filter medium is installed between first filter screen and second filter screen, and the surface of inner frame is equipped with at least two sockets, and the filter medium selects one of two sockets and separates out, the specific beneficial effect of the utility model is: based on the structure that inner frame can separate in outer frame, and at least two sockets of inner frame surface setting, and user can select the filter medium from specific socket and take out alone, and it is convenient to flush first filter screen or second filter screen, and can independent cleaning or replacement filter medium, prolongs cleaning efficiency and promotes 60% or more, realizes filter screen layering independent maintenance.

The utility model provides a faucet filter element installation structure which comprises a faucet body and a filter element. The faucet body is provided with an extending water outlet pipe, an opening and a plug are arranged at the water outlet end of the water outlet pipe, and a water outlet nozzle is arranged on the periphery of the water outlet pipe. A mounting cavity is formed in the inner space of the water outlet pipe. And the filter element is arranged in the mounting cavity through the opening and is pressed by the plug. And the filter element is used for filtering running water from the water inlet end of the water outlet pipe to the water outlet nozzle. According to the faucet filter element installation structure, the interior of the water outlet pipe extending out of the faucet serves as the installation cavity for installing the filter element, meanwhile, the plug capable of being opened is arranged at the tail end of the water outlet pipe, and installation, disassembly and replacement of the filter element are facilitated. The filter element mounting structure provided by the utility model extends to the outside of the water outlet main body through the water outlet pipe, has greater independence with other water outlet components, has small mutual influence, and is beneficial to quick disassembly and assembly of the filter element.

The utility model relates to a unit type curtain wall installation structure. The unit type curtain wall installation structure comprises an installation base installed on a floor plate, a curtain wall unit corresponding to the installation base and an installation support installed on the back side of the curtain wall unit and matched with the installation base. A supporting convex part is arranged on one side, close to the curtain wall unit, of the mounting seat, the mounting bracket is provided with a clamping groove for clamping the supporting convex part, and the mounting bracket is further provided with a locking bolt for locking the supporting convex part in the clamping groove; a sealing structure is arranged between the upper and lower adjacent curtain wall units; the sealing structure comprises a sealing base arranged on the curtain wall unit on the lower side and a sealing upper cover arranged on the curtain wall unit on the upper side and matched with the sealing base. The curtain wall has the effect of improving the installation efficiency of the curtain wall.

The present invention discloses a powder bin connection structure of a split toner cartridge, including: a waste powder bin assembly, a toner bin assembly fixedly mounted on one side of the waste powder bin assembly, a powder discharge knife fixedly mounted on one side of the toner bin assembly, a magnetic roller arranged at the bottom end of the powder discharge knife, an agitator rotatably mounted inside the toner bin assembly, a waste powder scraper fixedly mounted on one side of the waste powder bin assembly, a photosensitive drum arranged on one side of the waste powder scraper, a charging roller arranged at the top of the photosensitive drum, and a mounting cover fixedly mounted on the front of the waste powder bin assembly; the waste powder bin assembly includes a waste powder bin box, and an elastic limiting plate is integrally formed on one side of the side of the waste powder bin box. The beneficial effects of the present invention are: the present invention utilizes the design of a transmission positioning body to change the traditional complicated installation steps, reduce the difficulty of installing the toner cartridge and the toner bin assembly, facilitate the inspection and cleaning of the toner bin assembly, and improve the maintenance speed of the toner cartridge.

This utility model relates to the field of sealing ring technology and discloses a sealing ring with a flexible skeleton. It uses a flexible, deformable material to replace the traditional metal skeleton structure. The flexible pressure ring and the rubber sealing ring are integrally vulcanized, which is not only easy to process and low in cost, but also has good compatibility with rubber, higher bonding strength, no cracking, and is easy to install and maintain. Furthermore, the flexible pressure ring combines rigidity with its deformable structural characteristics. During installation, the flexible pressure ring can deform to perfectly adapt to and fit the groove structure. Compared with the traditional metal skeleton, it has higher installation sealing performance, contact stability, and service life. The outer diameter of the flexible skeleton is larger than the groove, optimizing the problem of volume slippage in open grooves. An internal support is provided inside the flexible pressure ring. The internal support further improves the axial rigidity support force of the flexible pressure ring, ensuring the contact support stability of the axial side of the sealing ring end, and improving the sealing performance of the sealing ring.

The application provides an aluminum alloy door frame, which comprises an aluminum alloy frame body with an inner hole and connecting pieces arranged at the corners of the aluminum alloy frame body respectively. The aluminum alloy frame body comprises four aluminum alloy profiles which are connected with each other, and the connecting pieces are respectively inserted between two aluminum alloy profiles which are connected with each other. The aluminum alloy profile comprises a main body, an extension section connected to one end of the main body away from the inner hole, a sealing strip arranged on the extension section, the extension section arranged outside the window, the inner side of the extension section abutting against the wall, and the side of the main body abutting against the side of the window. The outer side of the extension section is connected with a first glass layer, and the sealing strip is overlapped between the first glass layer and the wall. The connecting pieces are inserted at the four corners of the aluminum alloy frame body, so that the overall structure of the aluminum alloy frame body is strengthened. The aluminum alloy profile is provided with the main body and the extension section, the main body is used for inserting the connecting pieces, and the connecting pieces are inserted into two adjacent main bodies when two aluminum alloy profiles are connected, so that the positioning during the connection and installation of the aluminum alloy frame body is facilitated.

The utility model provides a chinlon FDY (Fully Drawn Yarn) component filtering device, which relates to the technical field of chinlon production and comprises a shell, two sliding chutes are symmetrically formed in the inner wall of the shell, and a filtering structure is arranged at the top of the shell; the filtering structure comprises a top cover, and two sliding plates penetrate through the top of the top cover and are fixedly installed. When the filter screen needs to be replaced, a worker takes down the top cover, the filter screen leaves the shell, then the worker presses down the pressing plate, the push plate descends, the two slopes of the push plate make contact with the two movable plates respectively, the two movable plates are pushed to move, then the clamping blocks are driven by the limiting plates to leave the clamping grooves, and at the moment, the filter screen can be detached. A new filter screen is placed between the two sliding plates, the inserting plates enter the connecting rings, the inclined faces of the clamping blocks make contact with the inner walls of the connecting rings, the first springs are compressed, and when the clamping blocks move beside the clamping grooves, the elastic force of the first springs pushes the clamping blocks to enter the clamping grooves, so that mounting can be completed, mounting and dismounting are convenient, and scalding is prevented.

The present invention relates to the technical field of water data monitoring, and specifically to a water use data collector for monitoring building energy consumption, comprising a connecting pipe and a sensor body, a mounting pipe is installed on the left side of the sensor body, a bolt is sleeved on the outer side of the mounting pipe, a sealing ring is sleeved on the outer side of the left part of the mounting pipe, a rubber retaining ring is installed on the left end of the mounting pipe, and a plurality of rubber clamps are installed on the left side of the rubber retaining ring; the beneficial effect is: by arranging the rubber retaining ring on the outer side of the sealing ring, the sealing ring can be effectively protected, and the possibility of scratch damage during transportation can be reduced, and the rubber retaining ring is folded and inserted into the inner wall of the plug-in slot using the rubber clamp, which not only makes the rubber retaining ring fit with the connecting pipe, but also ensures the cooperation with the sealing ring, thereby enhancing the sealing between the connecting pipe and the mounting pipe, and improving the installation sealing between the sensor body and the connecting pipe, preventing leakage, and thus ensuring the accuracy and effect of water data collection.

The utility model belongs to the technical field of power equipment, and particularly relates to an intelligent Internet of Things equipment box based on the Internet of Things technology, which comprises an equipment box body, a top cover is arranged at the top of the equipment box body, air inlets are formed in the outer walls of the two sides of the equipment box body, and heat dissipation openings are formed in the outer walls of the two sides of the top cover. And a cooling fan is installed at the bottom of the top cover, two fixing blocks are connected to the bottoms of the two sides of the top cover correspondingly, and limiting clamping grooves are formed in one ends of the two fixing blocks. According to the utility model, the movable block is shifted by the shifting block to drive the limiting clamping pin to contract, at the moment, one end of the limiting clamping pin is separated from the limiting clamping groove at one end of the fixed block, the top cover can be separated from the equipment box body by lifting the top cover upwards, and at the moment, the top of the equipment box body is exposed; and after the top cover is dismounted, the heat dissipation fan mounted at the bottom of the top cover is also more convenient to dismount, so that the convenience of subsequent maintenance of the intelligent Internet of Things equipment box is improved.

The utility model discloses a roof tile fixing structure, and belongs to the field of building structures. A roof tile fixing structure comprises a bearing frame and further comprises a guide shell fixedly installed on the bearing frame through bolts. Wherein an inner cavity of the guide shell is connected with a tile main body in a sliding manner, and the tile main body is fixedly connected with the guide shell through a screw; an inserting groove is formed in one side of the tile body, and an inserting block is fixedly connected to the side, away from the inserting groove, of the tile body; by arranging the guide shell, the tile main bodies can be installed in a guiding mode, the installation accuracy of the tile main bodies is improved, the tile main bodies can be conveniently and sequentially inserted and installed through cooperation of the inserting grooves and the inserting blocks, and therefore the installation efficiency and the sealing performance of the tile main bodies are improved.

The utility model relates to the technical field of concrete grout recycling, in particular to a concrete grout recycling device which is characterized in that supporting plates are fixedly mounted on the two sides of the top of a base, top seats are fixedly mounted on the tops of the two supporting plates, vibration motors are fixedly mounted at the bottoms of the two top seats, springs are fixedly mounted in the two top seats, and the vibration motors are fixedly mounted in the springs. Telescopic seats are fixedly mounted at the tops of the springs, the tops of the telescopic seats movably extend out of the top seat, and top plates are fixedly mounted at the tops of the two telescopic seats; the electric telescopic rods extend outwards to synchronously drive the side plates to move outwards, and the side plates can synchronously drive the filter plates to move, so that the filter plates can be separated from the mounting grooves and move to the outside of the discharging frame through the penetrating openings, and a filter screen on the filter plates can be cleaned conveniently; and meanwhile, the bolts are screwed out of the first threaded holes and the second threaded holes, so that the filter screen can be separated from the interior of the inner groove, and the filter screen is convenient to disassemble, assemble and replace.

The present invention relates to the technical field of vehicle suspension, specifically to an air suspension vehicle height sensor assembly and a vehicle height control method, comprising a height sensor, an interface is provided at the lower end of the height sensor, the interface is connected to a signal sensing assembly in the height sensor, a swing arm is rotatably installed at the rear side of the height sensor, a connecting rod is rotatably installed at the rear end of the swing arm, a movable block is installed in the upper end of the connecting rod, a fixed assembly is provided on the left side of the height sensor, an anti-rollover assembly is provided at the rear side of the fixed assembly, and the anti-rollover assembly and the connecting rod are in the same plane. The present invention connects the height sensor to the car through the interface, and the swing arm and the connecting rod at the rear side of the height sensor are connected to the car suspension, the height sensor is fitted to the car through the side plate and the fixed plate, and the fixed plate is fixed to the instrument suspension using three sets of screws, so as to facilitate the fixed installation of the height sensor, and has a simple structure, convenient installation and simple operation.

The application belongs to the technical field of kitchen utensil manufacturing, and particularly relates to an integrated stove and a use method thereof. The integrated stove increases the precision of oil fume suction by respectively configuring two groups of stove tables with corresponding and specially-structured smoke collecting devices, and reduces energy consumption to a certain extent. The application also designs the structure and position of the supporting pipe bottom ring and the fixing assembly base, effectively avoids the outflow of oil fume from the gap between the supporting pipe and the first surface on the basis of ensuring the stable installation of the supporting pipe, and improves the installation sealing performance of the end part of the supporting pipe. In addition, the application also sets a smoke sensing device and a driving device matched with the smoke sensing device, so that the smoke collecting device can rotate around the central shaft of the supporting pipe under the driving of the driving device, and adjust the relative angle between the box body smoke guide opening and the pot above the stove table. Therefore, the integrated stove can realize the precise adsorption of oil fume.

The invention provides an impeller structure assisting in reducing the surge phenomenon. A plurality of impeller blades are symmetrically arranged in the circumferential direction of an impeller hub, and the impeller hub is fixedly connected with a pump shaft through a shaft sleeve; the shaft sleeve comprises an outer sleeve and an inner sleeve which are arranged in a nested mode, the outer sleeve is of a multi-section structure, and two labyrinth sealing structures are arranged on the outer sleeve. The inner sleeve is of a double-layer structure, the double-layer structure comprises a first inner sleeve and a second inner sleeve which are arranged in a spaced and sleeved mode, and a broadened flow channel is formed between the first inner sleeve and the second inner sleeve. The centrifugal impeller is adaptively mounted in a pump body, the centrifugal force of the impeller is reduced by reducing the number of impeller blades and increasing the diameter of an impeller hub, and the flow of the centrifugal impeller can be effectively reduced; the widened flow channel structure in the shaft sleeve can keep a flow channel of fluid unblocked, and noise reduction and surge reduction are facilitated. The shaft sleeve is of an inside and outside assembly structure, all sections outside the shaft sleeve are connected through labyrinth structures, and installation sealing performance and durability can be improved.

The utility model relates to the technical field of breast surgery, concretely to a pipeline connecting mechanism suitable for breast surgery infusion port, including base, butt joint and connecting pipe, the butt joint is fixed in the side of base, and the outside of butt joint is connected with connecting pipe, the outer end of butt joint is fixed with connecting piece, and connecting pipe inserts into the inside of connecting piece and connects with butt joint, the inside of connecting piece is provided with support ring, and the middle part of support ring is fixed with support mechanism, and support mechanism is connected with connecting piece, and the inside support of connecting pipe is provided through support ring. The pipeline connecting mechanism suitable for breast surgery infusion port realizes the connection between connecting pipe and butt joint by inserting connecting pipe into connecting piece, can pull out connecting pipe from connecting piece subsequently, is convenient to replace and dismount, and is provided with support ring in connecting piece, can provide the inside support for connecting pipe, prevents extrusion deformation.

The utility model discloses an adjusting valve suitable for super low temperature environment, including the valve body of foundation, the valve body inside fixed mounting has the through -hole tray, and the through -hole tray inside penetrates fixed mounting has the thread cylinder, the thread cylinder below fixed mounting has the inverted bucket simultaneously, the inverted bucket bottom fixed mounting has the connecting cylinder with inside area leakproof belt, the valve body top penetrates the thread cylinder and is laid with the sealing washer, and the thread cylinder inside penetration is equipped with hand wheel screw rod, this adjusting valve suitable for super low temperature environment, through setting: leakproof belt, connecting cylinder, sealing washer, inverted bucket and through -hole tray to solve the big problem of the internal leakage, external leakage of traditional low temperature high pressure adjusting valve that follows also is more and more obvious, and the urgent need to solve, and the majority of low temperature high pressure valves of domestic use are imported, in the low temperature industrial automation control field in our country, limited to the sealing property and reliability of traditional single low temperature balance sealing washer, it is difficult to satisfy the requirement of user super low temperature, low leakage, high pressure difference.

The invention discloses a polystyrene foam filling device used for improving the installation sealing performance of building materials, and relates to the technical field of polystyrene foam filling, the polystyrene foam filling device comprises a base, a cylinder and a tank fixed to the top of the base, and further comprises a cleaning assembly arranged above the cylinder, the cleaning assembly comprises electric telescopic rods fixed to the two sides of the top of the base, and the electric telescopic rods are fixed to the top of the base; according to the polystyrene foam pouring device for improving the building material installation sealing performance, a sealing cover is opened, a cleaning plate is driven by the electric telescopic rods to move into the tank body, the cleaning plate is driven by the electric telescopic rods to move into the tank body, and the cleaning plate is driven by the electric telescopic rods to move into the tank body; the glue on the scraping plate and the stirring assembly is scraped and cleaned from top to bottom, the situation that the glue is solidified and accumulated on the surface of the glue and influences the follow-up using effect is prevented, meanwhile, the cleaning plate is fixed to the mounting plate through the fixing piece, the cleaning plate is conveniently assembled, disassembled and cleaned, and using is more convenient.

The utility model relates to the technical field of flat knitting machine, concretely is a kind of yarn nozzle of flat knitting machine roving, including installation structure, installation structure includes installation handle;Yarn nozzle structure is fixedly installed in the lower end of installation handle, and yarn nozzle structure includes wedge-shaped guide cover, and the lower end opening of wedge-shaped guide cover is rotatably installed with one auxiliary roller on the side edge of front and back, and the lower end opening of wedge-shaped guide cover is rotatably installed with two auxiliary rollers on the side edge. In the utility model, the roving is passed through wedge-shaped guide cover, and the yarn is guided to be discharged under the lower end opening of wedge-shaped guide cover, when the yarn nozzle structure moves and adjusts the yarn position, one auxiliary roller, two auxiliary rollers replace the direct contact between the inner wall of wedge-shaped guide cover and roving, to replace the direct friction between the inner wall of wedge-shaped guide cover and the roving sent directly in the form of rolling feeding, reduce friction loss, improve the service life of overall structure, reduce the replacement frequency of yarn nozzle structure.