14results about How to "Improve installation tightness" patented technology

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 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 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 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.

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 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 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 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 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.