60results about How to "The connection structure is stable" patented technology

The utility model provides a rotary adsorption type mirror structure which comprises a shell, a lens and an adsorption assembly, the lens and the adsorption assembly are oppositely connected to the shell, the bottom wall of the shell protrudes towards one side to form an installation base, the top wall of the installation base is concavely provided with an installation groove, the side wall of the installation base is provided with an installation opening, and the installation opening is communicated with the installation groove. A guide slope obliquely extends from one end to the other end of the edge of the mounting opening, and a clamping groove is formed in the top end of the guide slope; the lens is buckled and fixed on the mounting groove through a fixing sheet; the adsorption assembly comprises a sealing membrane and a base piece which are fixedly connected, the sealing membrane can cover the outer side of the shell, the base piece is rotationally connected into the installation base, a spring is connected between the base piece and the installation base, and the base piece is provided with a clamping block corresponding to the installation opening in a protruding mode. And the clamping block can move along the guide slope to be buckled and fixed with the clamping groove. The mirror structure is convenient to mount and operate and smooth to use, and has a good damping effect and a firm connecting structure.

The utility model discloses an anti-loosening lithium battery electrode connecting structure, which relates to the technical field of lithium battery parts and comprises a lithium battery body, an electrode column is arranged on the lithium battery body, a contact cover is mounted at the top of the electrode column, a power transmission line is arranged at the top of the contact cover, and the bottom end of the power transmission line penetrates through the contact cover. The outer wall of the contact cover is movably sleeved with a fastening cover, the edge of the bottom of the contact cover is fixedly provided with a baffle ring extending outwards, the bottom of the electrode column is fixedly provided with an assembling base, the inner wall of the fastening cover is connected and installed outside the assembling base in a threaded mode, and the lithium battery body is further provided with a pressing assembly. The structure can be conveniently installed and used and is simple to assemble and convenient to operate, the contact cover is pressed on the electrode column through the pressing rod, the fastening cover is further arranged below the contact cover for double fixation, the pressing rod is fixed and limited by the pressing bolt, and the pressing bolt is further provided with an anti-loosening design, so that the connecting structure is more stable.

The invention relates to the technical field of chemical raw material processing, in particular to chemical raw material mixing reaction equipment which comprises a reaction tank, a tank cover is arranged at the upper end of the reaction tank, two semicircular bottom plates distributed left and right are arranged at the lower end of the reaction tank, and a stirring unit is arranged at the lower end of the tank cover. The tank wall of the reaction tank is used for supporting and guiding the stirring assemblies in the mixing and stirring process, it is ensured that the stirring assemblies are evenly stressed, the relative stability between the stirring assemblies and the reaction tank is improved, meanwhile, the connecting pieces arranged between the upper and lower adjacent stirring assemblies are beneficial for improving the structural stability between the upper and lower adjacent stirring assemblies, and the stirring efficiency is improved. Highly stable connecting structures are kept between the stirring assemblies and the reaction tank / tank cover, between the reaction tank and the tank cover, between the upper and lower adjacent stirring assemblies and between the stirring assemblies and the driving assembly, so that the stability and reliability of the whole stirring unit during working are improved, and the mixing efficiency and effect of the stirring assemblies on chemical raw materials are effectively improved.

The invention relates to a connecting wire harness for a battery pack, which comprises a cable, one end of the cable is connected with an external joint for external equipment, and the other end of the cable is connected with a battery end connector; the battery end connector comprises a shell, a crimping type wiring terminal and an electrode column, the crimping type wiring terminal is arranged in the shell, a crimping cylinder of the crimping type wiring terminal is connected with the cable, the electrode column is arranged in the shell in a penetrating manner, and the tail end of the electrode column is vertically connected with the connecting end of the crimping type wiring terminal; a front end blind hole with a conical bottom face is formed in the front end face of the electrode column, the edge of the front end face of the electrode column extends forwards to form a sector-ring-shaped sector-ring column which is coaxial with the front end blind hole, the axial section of the sector-ring column is an inclined face inclining outwards in the axial direction, and the position, connected with the front end face of the electrode column, of the axial section of the sector-ring column is chamfered. According to the invention, the arc discharge problem can be well inhibited while the connection stability is ensured, and the safety is improved.

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 relates to a grooving device for ceramic floor manufacturing. The grooving device comprises a rack, a working platform, a fixing mechanism and a rotary cutting mechanism. The working platform is arranged on the rack, and a through hole is formed in the middle of the working platform; the fixing mechanism is arranged on the working platform and used for temporarily fixing the ceramic floor to be subjected to rotary cutting; the rotary cutting mechanism is arranged on the rack and located over the working platform. The rotary cutting mechanism comprises a telescopic air cylinder, a rotary cutting motor, a rotating shaft, a supporting plate, a rotary cutting barrel and a rotary cutting head. The two ends of the telescopic air cylinder are fixed to the rack and the supporting plate and used for driving the supporting plate to move back and forth in the vertical direction. The rotary-cutting motor is fixed to the upper end face of the supporting plate, the rotating shaft is rotationally assembled on the supporting plate, the upper end of the rotating shaft is in transmission connection with an output shaft of the rotary-cutting motor, the lower end of the rotating shaft is fixed to the rotary-cutting cylinder in a butt joint mode, and the rotary-cutting head is arranged on the side wall of the lower end of the rotary-cutting cylinder. And a cylindrical through groove can be conveniently formed in the ceramic floor.

The utility model provides a data center bus duct horizontal Z-shaped elbow, which comprises an elbow bus duct, the elbow bus duct comprises a middle section shell, two end part shells and two elbow connecting assemblies, the two ends of the middle section shell are respectively provided with the end part shells, and the two ends of the middle section shell are fixedly connected with the end part shells through the elbow connecting assemblies; the elbow connecting assembly comprises an inner side plate, an outer side plate and two cover plates, the two cover plates are arranged at the upper end and the lower end of the joint between the middle shell and the end shell correspondingly, and the upper cover plate and the lower cover plate are fixedly connected with embedded plates arranged at the upper ends and the lower ends of the middle shell and the end shell correspondingly through fasteners. Folded plates are bent on the edges of the inner and outer sides of the cover plate; the inner side plate and the outer side plate are respectively arranged at one end of the inner side and one end of the outer side between the middle section shell and the end part shell, two ends of the inner side plate and two ends of the outer side plate are respectively attached to the folded plates on the upper cover plate and the lower cover plate and are fixedly connected through fasteners, the assembly is simple and rapid, the connecting structure is more stable, and the reliability is high.

The utility model discloses a car roof wheel upper beam assembly easy to disassemble and assemble, which comprises two upper beams arranged side by side in parallel, an upper beam connecting plate fixedly connected with the upper beams to keep the upper beams parallel, a car roof wheel with the axis perpendicular to the upper beams and positioned between the two upper beams, and a shaft clamping plate detachably and fixedly mounted on the inner side surfaces of the upper beams, the shaft clamping plate is provided with a supporting hole which allows the end of a wheel shaft of the car roof wheel to penetrate in a matched mode and is located above the upper beam. A shaft clamping plate which is detachably and fixedly installed on the upper beams is arranged between the two upper beams, a supporting hole for a car roof wheel axle to penetrate through is formed in the shaft clamping plate, and the car roof wheel is installed through the shaft clamping plate. The car roof wheel can be disassembled by disassembling the shaft clamping plate, the upper beam body does not need to be disassembled, and the car roof wheel is convenient to disassemble and replace. The two ends of the upper beam connecting plate are fixedly connected with the upper beam, and the stability of the main body structure of the upper beam is not affected in the process of disassembling and assembling the car roof wheel.

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 water outlet structure comprises an installation seat, a water inlet channel is formed in the installation seat, a sleeve body of a limiting sleeve is detachably connected to the installation seat, a universal ball groove is defined by the sleeve body of the limiting sleeve and the installation seat, and a plurality of elastic limiting protrusions are arranged at a groove opening of the universal ball groove at intervals. The ball seat is rotatably arranged in the universal ball groove in a sleeved mode, the ball seat is limited in the universal ball groove through the elastic limiting protrusions, the ball seat is provided with a water outlet channel communicated with the water inlet channel, the water outlet pipe is partially inserted into the water outlet channel, and the adjusting ring is detachably connected to the elastic limiting protrusions. According to the water outlet structure, in the actual production and manufacturing process, the matching relation between the sleeve body and the mounting base can be conveniently adjusted, the whole water outlet structure is more stable and not prone to water leakage, and meanwhile the water outlet angle is more convenient to adjust.

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.

The utility model relates to the technical field of battery packs, in particular to a battery mounting frame and a vehicle. The battery frame is used for fixing a power battery system of a vehicle, and the power battery bracket comprises a plurality of bracket modules which are stacked in the direction perpendicular to the bottom surface of the vehicle; each support module comprises a first frame, a stand column assembly and a first support capable of bearing an electric box unit, the first support is used for being detachably and fixedly connected with the electric box unit, the first support is fixedly connected with the first frame, the stand column assembly comprises a plurality of supporting columns, and the supporting columns are distributed along the periphery of the first frame and fixedly connected with the first frame; the stand column assembly is used for being detachably and fixedly connected with the first frame of the adjacent lower-layer support module. The battery frame is small in size in the height direction, low in gravity center and high in structural stability.

The utility model relates to a drill rod conveying trolley for calcium carbide production, and belongs to the technical field of conveying equipment. The drill rod transporting vehicle comprises a vehicle frame, a moving wheel assembly and a handrail, the top of the vehicle frame is connected with a drill rod containing groove body used for containing a drill rod, the drill rod containing groove body extends in the front-back direction, and the front end and the rear end of the drill rod containing groove body are open; the moving wheel assembly is connected to the bottom of the frame, and the moving wheel assembly is correspondingly located below the middle position of the drill rod containing groove body; the handrail is connected to the end part of the drill rod accommodating groove body; a mounting plate is connected to the top of the frame, a connecting plate is connected to the bottom of the drill rod containing groove body, and the connecting plate is fixedly connected to the mounting plate through connecting bolts so that the drill rod containing groove body can be fixedly connected to the frame. The drill rod conveying device can effectively improve the carrying efficiency of drill rods, and the conveying process is more reliable.

The present invention discloses an electronic shackle, comprising a main body, a processor arranged in the main body and a strap connected to the main body, characterized in that the strap comprises a fixed end and a movable end, the fixed end is connected to the main body, and a moving block for connecting to the main body is connected to the movable end; a mounting position for installing the moving block is provided on the back of the main body, and the moving block is installed in the mounting position, and the mounting position matches the shape and size of the moving block and limits the movement of the moving block; a detection member for detecting whether the moving block is installed in place and sending a detection signal to the processor is also provided in the mounting position, and the processor sends an alarm signal when receiving a detection signal that the moving block is not installed in place; a trigger member for interacting with the detection member is provided on the moving block. The judgment structure of this electronic shackle to detect whether the strap is normally connected to the main body is more stable, and is not easily misaligned due to movement during wearing, thereby reducing the probability of false alarms.

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 invention discloses a three-dimensional seismic isolation platform and a working method thereof. The three-dimensional seismic isolation platform comprises a bottom plate, a horizontal seismic isolation mechanism, a middle plate, a vertical seismic isolation mechanism and a top plate. The bottom plate is horizontally arranged at the bottommost part, the horizontal shock isolation mechanism is arranged between the bottom plate and the middle plate, and the middle plate horizontally and universally moves relative to the bottom plate through the horizontal shock isolation mechanism; the vertical shock isolation mechanism is arranged between the middle plate and the top plate, and the top plate moves in the vertical direction relative to the middle plate below through the vertical shock isolation mechanism; cultural relics to be exhibited are placed on the top of the top plate. According to the three-dimensional seismic isolation platform, the vertical seismic isolation mechanism is additionally arranged on the basis of the horizontal seismic isolation mechanism, so that damage of seismic longitudinal waves to cultural relics can be effectively reduced.

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 a pipeline flange joint connecting structure, a vehicle thermal management system and a vehicle, the joint connecting structure comprises a runner plate, a flange joint and a connecting part, the end part of one side of the runner plate is a first connecting end part, at least one runner opening is arranged on the runner plate, and the flange joint is connected with the connecting part; each runner opening penetrates through the runner plate in the thickness direction of the runner plate, and a limiting groove is formed in the end, close to the first connecting end, of each runner opening. The end of the side, close to the runner plate, of the flange connector is a second connecting end, the flange connector is also provided with at least one channel opening penetrating in the thickness direction, the side, located at the second connecting end, of each channel opening is further provided with a limiting boss matched with the corresponding limiting groove, and the limiting bosses protrude out of the end face where the second connecting end is located. The connecting part is arranged between the flange connector and the runner plate, the two side parts of the connecting part are tightly attached to the first connecting end part and the second connecting end part respectively, and the structure has the advantages of being stable in connecting structure, high in connecting strength and high in connecting quality.

The invention relates to a steel module building based on a light steel structure and a mounting method thereof, belongs to the technical field of module buildings, and solves the problems of multiple beams, multiple columns and double plates and double walls of a steel module building in the prior art. The steel module building based on the light steel structure comprises a plurality of light steel box body module units, the light steel box body module units are arranged in multiple layers and multiple rows, every two adjacent light steel box body module units on the same layer share one wallboard, and every two adjacent light steel box body module units on the upper layer and the lower layer share one floor slab. The light steel box body module units share the wall plates and the floor plates at the splicing positions to form a single-plate and single-wall splicing structure instead of a multi-beam, multi-column and double-plate and double-wall splicing structure, the steel consumption of a steel module building is remarkably reduced, and the structural cost is reduced.

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 belongs to composite tile house connecting structure technical field, specifically is a kind of composite tile roof inclined ridge connecting structure, including tile house ridge beam;Tile house ridge beam is symmetrically arranged;Connection slot is set between the tile house ridge beam;The top of the connection slot is equipped with the article beam;The article beam is positioned at the top position of tile house ridge beam;The bottom of the connection slot is equipped with wooden pad;The wooden pad is positioned at the symmetrical surface position of article beam;Steel stud is connected between the article beam and wooden pad;The steel stud is positioned at the inside position of connection slot;The bottom of the steel stud is screw-threaded with locating bolt;The top of the article beam is equipped with protective cover;When working, when needing to connect and fix composite tile house inclined ridge, by above structure, adopt firm connecting piece, avoid the drawback that traditional screw penetrates roof, and simultaneously by fixed structure, enhance node bearing capacity, can make the whole connection structure more firm.

A safe energy-saving bus duct, comprising a shell, a ground row, a phase row, a bus protection piece, a bus connecting piece, a shell connecting structure; the shell comprises a top plate, a side plate, a bus sheath, a bottom buckle plate; the bus protection piece comprises a protection piece bottom plate, a wing plate, a bus side limiting block, a bus top limiting block, a clamping strip, a flap, a protection piece sleeve; the bus protection piece is inserted into the side plate groove, and the bus clamping strip on one side is clamped into the limiting block at the bottom side of the side plate; the bus connecting piece comprises a connecting bus, a connecting piece bottom plate, a connecting piece limiting block, a positioning rod, a connecting piece sleeve, and the bus connecting piece is arranged between two bus protection pieces; the shell connecting structure comprises an upper cover plate, an upper embedded plate, a lower cover plate, a lower embedded plate, a side guard plate, a side guard plate fastening bolt, and two shell bodies are fixedly connected through the shell connecting structure. The whole structure has high strength, the installation method is simple and rapid, the whole structure has high safety performance, the manufacturing process of parts is simple, and the production cost of the whole structure is low.

The utility model relates to a kind of terminal connecting structure and power supply equipment, comprising: terminal seat, terminal seat is equipped with installation site, installation site is used to install terminal;Adapter plate is set on terminal seat, and is electrically connected with terminal;And connecting piece, connecting piece includes main part, and the first connecting part of being set in one end of main part and the second connecting part of being set in the other end of main part;Main part is fixedly connected in the side of adapter plate away from terminal seat, first connecting part is electrically connected with adapter plate, second connecting part is fixed on main plate, and second connecting part is electrically connected with main plate.Terminal connecting structure can increase the strength of connection, ensure the normal conduction of electric connection, when connecting piece is subjected to external force, improve the stability and security of terminal and main plate connection, when external power supply is connected with terminal, terminal is not easy to shake, avoid the force directly transmitted to main plate in the process of plugging with terminal, reduce the force impact of connection position with main plate, improve the security of connection, structure is more stable.

The utility model discloses a water-stop belt convenient to quickly assemble, and relates to the technical field of water-stop belts. The rubber waterstop fixing device comprises a lower mounting steel plate and an upper mounting steel plate, a rubber waterstop is pressed between the lower mounting steel plate and the upper mounting steel plate, and quick-mounting connecting pieces are arranged on the lower mounting steel plate and the upper mounting steel plate, so that the two groups of lower mounting steel plates and upper mounting steel plates are quickly assembled and fixed to compress the rubber waterstop. And a positioning hole is formed in the top surface of the rubber water-stop belt. According to the utility model, the positioning convex shafts on the lower mounting steel plate and the upper mounting steel plate are inserted into the positioning holes in the surface of the rubber water-stop belt, and the rubber water-stop belt is quickly fixed by the quick-mounting connecting piece, so that the rubber water-stop belt is accurately positioned and quickly mounted, the problems that the traditional water-stop belt is complicated to mount and easy to displace are effectively avoided, and the construction efficiency is remarkably improved; the chucks and the notches are arranged in a staggered mode, it is ensured that the lower mounting steel plate and the upper mounting steel plate are tightly attached, a stable connecting structure is formed, and the overall stability is enhanced.

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 present invention discloses a connection unit with a retaining structure, the connection unit includes a connection piece and a plug-in coupled thereto, the connection piece is used to conduct a circuit after being connected to the plug-in, the connection piece is detachably provided with a retaining piece, the retaining piece is used to stabilize the connection strength between the connection piece and the plug-in; one end of the retaining piece is connected to the plug-in for limiting position, the connection piece is also provided with a locking piece, the locking piece is movably provided on the connection piece, and the locking piece can be pre-installed on the connection piece and can also limit the retaining piece to prevent its connection from loosening. The present invention effectively enhances the connection strength between the connection piece and the plug-in by detachably providing the retaining piece on the connection piece and utilizing the close fit between the retaining piece and the plug-in. The interference fit between the clamping part on the retaining piece and the connection part, as well as the interaction between the limiting arm and the plug-in, together constitute a stable connection structure, which significantly improves the vibration and impact resistance of the connection.

This invention discloses a collaborative load-bearing device for column-free trusses and clamps at the external corners of glass curtain walls, belonging to the field of glass curtain wall support technology. This invention utilizes a quick-lock assembly operated with disassembly and assembly tools to rapidly lock adjacent glass curtain wall corners, reducing operational difficulty. The screw, deeply embedded in the threaded cylinder, can pierce chemical agents and lock teeth, firmly bonding the screw and threaded cylinder to form a stable connection structure, providing a solid guarantee for the stability of the glass curtain wall. Furthermore, the ratchet and ratchet mechanism maintains unidirectional rotation of the screw, effectively preventing loosening due to external forces during use. This fundamentally avoids the problem of loose screws affecting the overall stability of the glass curtain wall, achieving an irreversible fixing effect and further enhancing the safety and reliability of the glass curtain wall structure. After the screw and threaded cylinder are installed in place, the central rod protrudes from the opening, allowing for quick confirmation of the glass curtain wall's installation, making installation more convenient and efficient.

This application relates to the field of vehicle body technology and provides a rear vehicle body structure and a vehicle. The rear vehicle body structure of this application includes a buffer portion mounted on a side drainage channel and a support assembly mounted on a tailgate window frame. The support assembly includes a support corner mounted on the tailgate window frame and a sealing strip corner mounted on the support corner. The sealing strip corner is installed on the side of the support corner facing forward of the vehicle. When the tailgate assembly is closed, the buffer portion can abut against the sealing strip corner. The rear vehicle body structure of this application, through the abutment between the buffer portion on the side drainage channel and the sealing strip corner on the tailgate window frame, not only provides buffer protection for the tailgate assembly during closing but also improves the stability and sealing performance of the tailgate assembly after closing.

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.