19results about How to "The connection structure is stable" patented technology

The utility model discloses a high -performance silica gel fuel pipe, including large diameter pipe and small pipe, the outer wall of large diameter pipe is provided with first flange joint, the one end of small pipe is integrated with the second flange joint of first flange joint's adaptation, limiting component is used for preventing the dislocation of first flange joint and second flange joint in the connecting process, prevent the component of falling off, for limiting the axial separation of first flange joint and second flange joint, the utility model limiting component guarantees first flange joint and second flange joint accurate butt joint, make sealing surface close fitting, effectively promote the sealing performance, prevent medium leakage, prevent the component of falling off and locking component cooperation, form double protection, significantly enhance the axial tension resistance and the anti -external force impact ability of large diameter pipe and small pipe connection, avoid accidental uncoupling, the locking of locking component to prevent the component of falling off, ensure that the whole connecting structure keeps stable under complex working condition.

The utility model discloses a plate polishing device relates to plate polishing technical field, the utility model discloses a work table still includes: adjusting portion, adjusting portion sets up at the top of work table, configuration portion, configuration portion sets up on work table, adjusting portion includes adjusting assembly, adjusting assembly installs at the top of work table, and lifting assembly, lifting assembly installs at the top of work table. The utility model discloses setting adjusting portion, solved because just with plate random placement on polishing belt, simply rely on the movement of polishing belt to drive the plate forward and complete polishing simultaneously, this operation mode lacks the effective positioning and firm fixation of plate, make plate in the polishing process, when receiving slight external force interference or slight change of self -stress, easy to have position deviation, thereby lead to the overall polishing precision to drop, finally cause the problem of adverse effect to finished product quality.

The application relates to a fuel cell end plate outlet connecting structure, which comprises an end plate and a joint pipe, the end plate is provided with an outlet hole for connecting the joint pipe, and the outlet connecting structure further comprises a ring-shaped convex edge and a ring-shaped clamping piece; the ring-shaped convex edge is arranged at one end edge of the outlet hole; one end of the joint pipe is nested and clamped outside the ring-shaped convex edge; and the ring-shaped clamping piece is sleeved outside the joint pipe, so that one end of the joint pipe is clamped between the outer wall of the ring-shaped convex edge and the inner wall of the ring-shaped clamping piece. Compared with the prior art, the application has the advantages of simple installation mode, firm and stable connecting structure and the like.

This utility model discloses an adjustable metal button, belonging to the field of button technology. It includes a base, a lower housing on top of the base, and an upper housing fixedly connected to the top of the lower housing. Vertical grooves are formed on both outer walls of the upper housing, and horizontal grooves are evenly formed on the inner wall of one side of each vertical groove. A bottom groove is formed at the bottom of the horizontal groove, and a movable shaft is rotatably connected to the inner wall of one side of the bottom groove. A deflecting plate is fixedly connected to the movable shaft. A limit block is fixedly connected to the top of the deflecting plate on the side away from the movable shaft. Second springs are fixedly connected to both sides of the bottom of the deflecting plate, and the bottoms of the second springs are fixedly connected to the bottom of the bottom groove. This adjustable metal button, through the vertical grooves, horizontal grooves, and locking posts, allows for convenient adjustment of the button length, thus easily achieving adjustment of the button's tightness and effectively solving the problem of adjusting the tightness of traditional buttons.

The utility model provides a flotation machine scraper shaft connecting structure and a flotation machine, the flotation machine scraper shaft connecting structure comprises a scraper shaft unit and a bearing seat unit, the first end and the second end of the scraper shaft unit are each connected with a first coupler, and the first coupler at the first end of the scraper shaft unit is connected with a universal coupler; and the universal coupling and the first coupling at the second end of the scraper shaft unit are connected with the bearing seat unit through the second coupling. The universal coupling is additionally arranged on one side of the scraper shaft unit between every two bearing seat units, and the fixed coupling is additionally arranged on the other side of the scraper shaft unit between every two bearing seat units, so that the problem that the coaxiality of a plurality of bearing seats cannot be found is effectively solved; meanwhile, due to the design, the scraper shaft between every two bearing seat units can be easily disassembled, and the disassembling and assembling efficiency is greatly improved.

The utility model discloses an electric energy meter shell assembly structure, including bottom shell, left upper cover, right upper cover and slide lock pin. Bottom shell is equipped with the outlet hole, the connecting step and the inlay groove, left upper cover has the elastic connecting piece, the pressed part, the inlay step and the connecting groove, and the right upper cover both sides wall is equipped with the plugboard, the compression part and the lock hole, and slide lock pin is installed in the bottom shell insertion slot side wall. When assembling, left upper cover cooperates through inlay step and inlay groove, connecting groove and connecting step and bottom shell, and right upper cover plugboard inserts into insertion slot, and compression part tightens pressed part, and slide lock pin inserts into lock hole and realizes right upper cover and bottom shell locking. This structure discards screw fastening, realizes quick assembly and disassembly, and each component cooperates and forms stable connection, guarantees shell leakproofness and protective property, reduces maintenance cost, and effectively satisfies the demand of electric power industry to electric energy meter high efficiency, reliable operation.

The utility model discloses a quick connection blowout preventer pipe, which is composed of a connecting pipe and a quick connection sleeve, the quick connection sleeve is composed of a connecting sleeve and a locking mechanism, one end of the connecting pipe is a male buckle end and a first tooth-shaped butt joint boss is arranged on the outer wall of the connecting pipe, the other end of the connecting pipe is a female buckle end and a second tooth-shaped butt joint boss is arranged on the outer wall of the connecting pipe, the connecting sleeve is arranged on the outer side of the connecting pipe, the first annular end plate and the second annular end plate at both ends of the connecting sleeve are respectively embedded and matched with the first tooth-shaped butt joint boss and the second tooth-shaped butt joint boss, the locking mechanism is arranged on the connecting sleeve along the radial direction and can be matched with the locking hole arranged on the connecting pipe, the cable blowout preventer pipe is stably connected and sealed through the plug-in butt joint between the connecting pipes and the locking of the quick connection sleeve, the operation difficulty and the labor intensity are low without the cooperation of complex tools, the quick assembly and disassembly characteristics greatly improve the operation efficiency, and the cable blowout preventer pipe has good emergency performance and can be put into use only by being customized according to the size in various oil and gas field development scenes.

The utility model discloses a pressure storage tank disc ladder two -way adjustable sliding support connecting structure, including upper support and lower support, the upper support and lower support are connected through high -strength screw rod and nut between, one side of lower support is equipped with U -shaped groove, the upper support side edge is welded with the transmission board, the transmission board is inserted in the U -shaped groove and has realized the height adjustment change between the upper support and lower support, can effectively adapt to the two -way uneven settlement that pressure storage tank body and disc ladder between because of the foundation difference produce, relieve the stress of connecting part, improve the stability and security of connecting structure, guarantee disc ladder normal use and personnel safety etc. technical features.

The utility model relates to the technical field of automobile connector, especially a kind of automobile wire harness connector, including waterproof inner core, waterproof shell of being set in the waterproof inner core outside, the front side of the waterproof shell is formed with the front wire hole for front wire harness from front to back into waterproof inner core, the rear side of the waterproof shell is formed with the rear wire hole for rear wire harness from rear to front into waterproof inner core, the waterproof inner core is placed into the terminal for the electrical connection of front wire harness and rear wire harness, the waterproof inner core is formed by upper half body and lower half body upper and lower splicing, the splicing position of the upper half body and lower half body is provided with the inner waterproof washer of surrounding terminal, waterproof effect is better.

The utility model relates to zeolite rotating drum technical field provides the zeolite rotating drum connecting structure of safe operation is guaranteed, including base, the middle part of base is equipped with the mounting shaft, the middle part rotatory connection of mounting shaft has lower mounting disc, and mounting shaft is connected with mounting frame, and mounting frame is connected with inner support board, and the top end sliding connection of inner support board has upper mounting disc, and a plurality of zeolite modules are equipped between upper mounting disc and lower mounting disc, and the both ends of zeolite module are fixedly connected with upper mounting disc and lower mounting disc respectively, and the both sides of zeolite module are equipped with zeolite baffle, and form the heat dissipation chamber between two adjacent zeolite modules. The zeolite module of utility model setting, make upper mounting disc and lower mounting disc fixed more firm, the setting of zeolite baffle, make zeolite module can bear greater pressure, and then reduce the situation that the zeolite in zeolite module pours out, the setting of heat dissipation chamber, make zeolite pour out only enter heat dissipation chamber, so as to facilitate subsequent cleaning.

The utility model discloses a kind of washing equipment drainpipe's suspender and washing equipment, comprising: hook, it is installed on drainpipe;Hanging mouth, it is set on the cabinet of washing equipment;The hook has hook head, the hanging mouth has with the installation mouth portion of the hook head matched arrangement, and with the installation mouth portion intercommunication setting is engaged mouth portion;When the hook is in suspended state, the hook head is engaged in the inside of the engaged mouth portion. Hook is installed on drainpipe, hanging mouth is directly set on cabinet, reduce the number of independent components, reduce the cost of parts production manufacturing;At the same time, assembly step reduces, and assembly cost is reduced. By being designed into installation mouth portion and engaged mouth portion matched with hook head for hanging mouth, when the hook is in suspended state, the hook head is engaged in the inside of engaged mouth portion, improve the convenience and efficiency of operation;Form stable connection structure, can effectively prevent hook accidental escape, ensure the reliability of drainpipe suspension during the operation of washing equipment.

This utility model relates to the field of casual shoe technology and discloses a highly wear-resistant casual shoe, including a main shoe body. A main shoe sole is fixed to the bottom surface of the main shoe body. The main shoe sole includes an EVA outsole pad, and a frame pad is connected to the top surface of the EVA outsole pad around its perimeter. A bottom groove is formed inside the top surface of the EVA outsole pad, and a midsole pad is adhered to the top surface of the bottom groove. The bottom of this utility model consists of an EVA outsole pad and a TPU anti-slip pad layer. The EVA outsole pad provides rebound and shock absorption, improving wearing comfort, while the TPU material of the TPU anti-slip pad layer itself provides high anti-slip and wear resistance. Its friction and force mainly act on the protruding structures such as the anti-slip heel and anti-slip stripes. When the anti-slip stripes are under force, each group of anti-slip stripes is connected by longitudinal stripes to form a structural rib mesh, reducing the deformation caused by force, thereby ensuring the stability of the bottom anti-slip and wear-resistant structure. At the same time, the use of TPU material ensures high wear resistance.

The utility model provides a kind of ball pin dismounting tool, belong to mechanical dismounting tool technical field, it includes screw rod, cross bar, calliper, adjusting nut and press-down platform, cross bar is equipped with calliper and slidingly connected, adjusting nut is equipped with screw rod and is fixed with cross bar, press-down platform is equipped with screw rod bottom end.Working, calliper is connected axle bridge knuckle, rotates screw rod and makes press-down platform press down ball pin, calliper is on top axle bridge knuckle, realize the separation of both.The tool is convenient and labor-saving, can be stable force, reduce component damage, adapt to a variety of specifications ball pin, structure stable and reliable, prolong service life.

The application discloses a gradient composite air filter paper and a preparation method thereof. A gradient composite structure composed of a support skeleton layer, a transition bonding layer and a fine fiber filter layer is constructed in the thickness direction of the filter paper, so that the material has good structural coordination while maintaining high filtering efficiency. Through the synergistic effect of low-melting-point binding fibers and flexible bonding agents, a stable and flexible connection structure is formed between the fibers and the interlayer interface, so that each layer can deform cooperatively under stress, avoiding stress concentration. The gradient structure forms a reasonable rigid-flexible distribution in the thickness direction of the filter paper, and can realize step-by-step transition of strain under subsequent pressure and bending conditions, thereby reducing the risk of local structural instability and improving the overall structural consistency and use stability.

The present application relates to the field of bottle blowing machine, especially to a high-precision stable variable distance mechanism in a bottle blowing machine, comprising: a support, a guide blank groove is arranged on the support; a ring-shaped guide rail is arranged on the support, an initial area, a variable distance maintaining area, a bottle pushing area and a material taking area are arranged on the ring-shaped guide rail; a hinge plate assembly is composed of hinge plates which are sequentially hinged together, second and third circular guide members are arranged on the hinge plates, first and second circular guide members are rollingly clamped in the ring-shaped guide rail; a plurality of bottle pushing assemblies are fixed on corresponding hinge plates, bottle pushing assemblies in the initial area are in a non-bottle pushing state, bottle pushing assemblies in the variable distance maintaining area are changed to a bottle pushing state, bottle pushing assemblies in the bottle pushing area are in a bottle pushing state, bottle pushing assemblies in the material taking area cooperate with a material taking mechanism to take out bottle blanks; a sprocket drives the hinge plate assembly to move along the ring-shaped guide rail. The present application is not easy to be stretched during operation, thereby having high stability and high positioning precision.

This utility model discloses a novel automotive repair pull hammer head, comprising: an annular connecting block and a hand handle, the hand handle comprising a connecting part and a hand handle, the connecting part being U-shaped, the connecting part having a threaded connecting hole through it, the annular connecting block being connected to the connecting part by bolts, the annular connecting block having a connecting hole on its side and an implementation tool being connected to the connecting hole, this utility model having a stable connection and being safe and reliable.

This utility model discloses a double-sided channel steel installation structure for cable trays in building electrical engineering. It includes multiple installation components fixed to the bottom of a wall by expansion bolts. Each installation component has a channel steel at its bottom, and a hanger rod is fixedly connected to the bottom of the component. The hanger rod penetrates the inner cavity of the channel steel and is fixedly connected to a transverse channel steel. Two symmetrical limiting plates are fixedly connected to the top of the transverse channel steel by bolts. Two symmetrical clamping plates are fixedly connected to opposite sides of the two middle channel steels. Diagonal braces are fixedly connected to the surfaces of the two clamping plates by bolts. Top plates are fixedly connected to the left and right sides of the bottom of the wall by expansion bolts, and support rods are fixedly connected to the bottom of the top plates. This utility model, through the combined use of clamping plates, diagonal braces, and support rods, makes the connection between the cable tray and the channel steel more stable, thereby preventing deformation of the channel steel when bearing the weight of the cable tray.

This utility model relates to the field of charger technology, and in particular to a charger resistant to external impact. It includes a housing and a main control circuit board disposed inside the housing. The housing includes an impact-resistant layer and a reinforcing layer disposed within the impact-resistant layer. The housing has an inner cavity for accommodating the main control circuit board. A first abutment strip is provided at the upper part of the inner cavity, a second abutment strip is provided below the first abutment strip and fixed to the lower part of the inner cavity, and a third abutment strip is provided on one side of the second abutment strip. All three abutment strips have rubber buffer strips. A first buffer assembly and a second buffer assembly are respectively provided on both sides of the main control circuit board. The upper part of the first buffer assembly abuts against one side of the inner cavity, and the lower part of the second buffer assembly abuts against the other side of the inner cavity. This utility model provides a charger resistant to external impact, improving the charger's impact resistance and meeting the protection requirements in practical use.