278results about How to "Realize connection fixation" patented technology

The invention relates to the technical field of pipeline welding auxiliary devices, in particular to a water-cooled wall pipeline welding alignment auxiliary device and method.The water-cooled wall pipeline welding alignment auxiliary device comprises two semi-rings, the outer side walls of the semi-rings are provided with semi-circular sliding rings, the outer side walls of the semi-circular sliding rings are slidably connected with semi-circular sliding rails, and the outer side walls of the semi-circular sliding rails are fixedly connected with semi-circular bases; an adjustable clamping mechanism for clamping a water-cooled wall pipeline is installed on the outer side wall of each semi-ring, a detection mechanism is installed on the side, close to a pipeline groove, of one semi-circle base, and an opening aligning mechanism is installed on the outer side wall of each semi-circle base. When the semicircular seat is rotated, the round head of the detection mechanism walks on the water-cooled wall pipeline groove, in the process, the swing amplitude of the pointer represents the deviation degree of the circle center of the semicircular seat and the circle center of the water-cooled wall pipeline, if the swing amplitude is too large, the semicircular seat and the water-cooled wall pipeline are kept concentric through the adjustable clamping mechanism, and opening alignment positioning is achieved through the semicircular seat; and alignment deviation is reduced.

The utility model discloses an embedded sleeve thermal insulation wall connecting piece which comprises a first plate and a second plate, grooves are formed in the upper end and the lower end of the first plate, and connecting mechanisms used for connecting the second plate are arranged in the two grooves. The connecting mechanism comprises a rotating rod rotationally connected between the inner walls of the two ends of the groove, the rotating rod is fixedly sleeved with a fixing block, and a screw is fixedly connected to the side wall of the fixing block. By arranging the connecting mechanism, the first plate and the second plate are connected and fixed, the firmness is high, meanwhile, the mounting and dismounting process is convenient, time and labor are saved, the plates cannot be damaged, the first plate and the second plate in the connecting process are limited by arranging the limiting rod and the limiting hole, and the connecting efficiency is improved. And meanwhile, the liquid storage bag is punctured by the puncture rod, so that glue in the liquid storage bag flows out, the limiting rod in the limiting hole is fixed, and the connection firmness is improved again.

The invention discloses an unmanned aerial vehicle-mounted granular fertilizer spraying device, and belongs to the technical field of unmanned aerial vehicle spraying devices.The unmanned aerial vehicle-mounted granular fertilizer spraying device comprises an unmanned aerial vehicle body, a granule carrying bin is arranged in the unmanned aerial vehicle body, a plurality of movable discs are arranged in an inner cavity of the granule carrying bin, and a plurality of material scattering rods are symmetrically arranged on the peripheries of the movable discs; supporting shafts are arranged among the interiors of the multiple movable discs, the supporting shafts and the movable discs are in sliding connection through first connecting assemblies, adjusting mechanisms used for driving the supporting shafts to reciprocate up and down are arranged at the tops of the movable discs, and a plurality of ground supporting rods are fixedly connected to the bottom end of the unmanned aerial vehicle body; the grain carrying bin and the ground supporting rod are fixedly connected through a second connecting assembly and a third connecting assembly. According to the invention, the plurality of movable discs are matched with the material scattering rods, the movable discs move up and down to incline the material scattering rods, and the material leakage holes of the material scattering rods with different lengths can be arranged into a non-repeated linear area after being inclined, so that the repeated spraying of a fertilizer is avoided, and the fertilization uniformity is improved.

The present invention relates to the technical field of energy impact testing machines, and discloses an electric lifting and pendulum low-energy impact testing machine, including a base, a placing table is provided on the base, an impact test block is placed on the placing table, the placing table is composed of a pair of trapezoidal plates distributed front and back, a fixed card block is provided on the top of the placing table, the impact test block is placed in the fixed card block, and an automatic calibration mechanism for the test block that can be automatically raised and lowered is provided at the bottom of the placing table. Compared with the prior art, the beneficial effects of the present invention are: without the need for a manual hand-held calibrator, the calibration block can be automatically moved to the calibration position, and then the impact test piece can be quickly calibrated, the operation is convenient, and the degree of automation of the device is improved; the quick docking mechanism can make the whole process simpler, and only the push-pull rotation pressing block is required to achieve the connection and fixation of the pendulum, which improves the installation efficiency; the release and withdrawal pin and the lifting and fixing of the pendulum can be achieved through a pneumatic withdrawal pin mechanism, which enhances the overall intelligence and automation of the equipment.

The utility model relates to the technical field of coal mining, and provides an underground coal mine monorail crane auxiliary material transporting device which comprises an underground coal mine monorail crane beam, the monorail crane beam is provided with a hoisting part which assists in transporting materials and can slide along the monorail crane beam, and the hoisting part comprises a first bearing plate and a second bearing plate which are arranged on the two sides of the monorail crane beam respectively. Sliding wheels sliding along the monorail hanging beam are arranged at the bottoms, close to each other, of the first bearing plate and the second bearing plate correspondingly, a plurality of first fastening mechanisms and a plurality of second fastening mechanisms are arranged between the first bearing plate and the second bearing plate, and the first fastening mechanisms are located above the second fastening mechanisms. The first fastening mechanism comprises a first connecting rod, a first limiting block and a first clamping assembly. The second fastening mechanism comprises a second connecting rod, a second limiting block and a second clamping assembly. By arranging the multiple sets of first fastening mechanisms and second fastening mechanisms, the disassembling and assembling processes can be completed without the help of external tools, operation is convenient and fast, and the working efficiency is improved.

The invention relates to the technical field of energy storage power supplies, in particular to a modularized energy storage container battery system which comprises an energy storage power supply body, heat dissipation holes are formed in the upper end of the energy storage power supply body, and guide bearing columns are fixedly arranged at the four corners of the upper side of the energy storage power supply body correspondingly; mounting bottom plates are symmetrically and fixedly arranged at the lower ends of the two sides of the energy storage power supply body, and a supporting mounting strip is fixedly arranged at one end of the energy storage power supply body, so that when a plurality of energy storage power supplies need to be matched for use, one energy storage power supply can be fixed; and then other energy storage power supplies can be fixed through the fixed energy storage power supply, automatic fixed connection of the energy storage power supplies can be realized only by arranging the energy storage power supplies in sequence, the energy storage power supplies do not need to be fixed one by one, the energy storage power supplies are very convenient, the installation efficiency of the multiple energy storage power supplies is greatly improved, and the installation cost is reduced. And work of workers is facilitated.

The utility model provides a connecting device for connecting a cross beam and a stand column, and relates to the technical field of outward training devices, the connecting device comprises a connecting plate, one side of the connecting plate is attached to the side wall of the stand column, and the other side of the connecting plate is fixedly connected with a sleeve used for being connected with the cross beam; the connecting plate and the connecting belt jointly surround the outer side of the side wall of the stand column; and the fixing assembly is used for connecting the connecting plate and the connecting belt, so that the connecting plate and the connecting belt are fastened with the stand column. The problem that the surface of the stand column is damaged in the prior art is solved, and the effect of prolonging the service life of the stand column is achieved.

The utility model relates to the technical field of hydraulic motors, and discloses a hydraulic motor performance detection platform which comprises a fixing frame, a base is fixedly connected to the bottom of the fixing frame, an adjusting disc is fixedly connected to the front end of the fixing frame, a first sliding groove is formed in the outer portion of the adjusting disc, and six first sliding blocks are connected into the first sliding groove in a sliding mode. Two limiting pins are slidably connected to the outward side of the first sliding block, an L-shaped fixing rod is fixedly connected to the middle of the outward side of the first sliding block, a square hollow frame is fixedly connected to the front end of the L-shaped fixing rod, and a second sliding groove is formed in the front end of the adjusting disc. According to the utility model, the position of the square hollow frame can be adjusted so as to adapt to the compass shapes and sizes of hydraulic motor bodies of different models, so that the hydraulic motor bodies are connected and fixed, the time for fixing the hydraulic motor bodies of different models before testing is saved, and the detection efficiency is improved.

The utility model belongs to the technical field of grounding boxes, and discloses a wall-mounted cross interconnection grounding box, which comprises a grounding box and a mounting plate, and through the arrangement of the mounting plate, a butt joint block, an insertion block and other structures, the mounting plate can be fixed on a wall firstly when the grounding box is used; then two insertion blocks on the grounding box are inserted into insertion grooves in two butt joint blocks on the mounting plate, and a driving gear in the mounting block is rotated to drive two transmission sliding blocks to be far away from each other, so that limiting insertion rods on the transmission sliding blocks sequentially penetrate through insertion holes in the butt joint blocks and insertion holes in the insertion blocks; and when the grounding box needs to be disassembled, the driving gear is reversely rotated to enable the limiting insertion rod to release the connection and fixation between the butt joint block and the insertion block, and the grounding box is taken down along the insertion groove to complete the disassembly process.

The invention provides a water jet mechanical combined drilling tool, a drilling rock-breaking drilling machine and a method. Two parallel high-pressure jet flow channels and two parallel abrasive mixing channels are arranged in a water jet spray head, and the abrasive mixing channels and the high-pressure jet flow channels are arranged in a staggered mode; the abrasive mixing channels are respectively communicated with a high-pressure jet flow channel through a transition pipeline; a plurality of low-pressure water outlet passages are further arranged in the water jet nozzle; two corresponding water jet outlets and a plurality of low-pressure water outlets are formed in the end face of the water jet nozzle, and the water jet outlets are respectively communicated with the corresponding high-pressure jet channels; and the low-pressure water outlets are connected with the corresponding low-pressure water outlet passages to form a deslagging path. Combined drilling of a water jet drilling tool for hard rocks can be achieved, the drill rod can be rapidly replaced, the function of long-distance active abrasive conveying can be achieved when equipment works normally, then rapid tunneling and ultra-long tunneling are achieved, and advanced geological exploration is well achieved.

The invention relates to the technical field of medical instruments, and provides a unilateral cortical bone needle which comprises a needle cylinder and a needle core, the needle cylinder is hollow and forms a penetrating hole channel, and the needle core penetrates through the penetrating hole channel and is in threaded connection with the needle cylinder; the needle cylinder comprises a connecting sleeve and inserting strips, one end of each inserting strip is connected to the end face of the connecting sleeve, the multiple inserting strips are arranged around the central axis of the connecting sleeve, and a deformation groove is formed between every two adjacent inserting strips; inserting blind holes are formed in the surface of the human sternum, and the ends, away from the connecting sleeve, of all the inserting strips are folded towards the penetrating hole channel in a normal state so as to be inserted into the inserting blind holes. The unilateral cortical spicule can reduce the possibility that the pleura of a patient is punctured by the spicule.

The utility model discloses an assembly type power supply cabinet, which comprises an air inlet seat and an air outlet seat, at least one group of cabinet body is arranged between the air inlet seat and the air outlet seat, a bearing plate is arranged in the cabinet body, a plurality of groups of sliding mounting structures are arranged in cooperation with the bearing plate, first locking pieces are hinged to the top ends of the cabinet body and the air inlet seat, and second locking pieces are hinged to the top ends of the first locking pieces. Locking seats are arranged at the bottom ends of the cabinet body and the air outlet seat, locking grooves matched with the first locking pieces are formed in the locking seats, connection limiting structures matched with one another are arranged on the air inlet seat, the air outlet seat and the cabinet body, ventilation cavities are formed in the air inlet seat and the air outlet seat, ventilation openings matched with the ventilation cavities are formed in the air inlet seat and the air outlet seat, and protection filter screens are arranged at the ventilation openings. According to the utility model, the overall assembly convenience can be improved, the installation space in the cabinet body can be flexibly adjusted, and meanwhile, the ventilation and heat dissipation effects are good.

The utility model discloses a copper bar assembly, include: first component fixed with at least two conductive parts, first component is connected with second component, and conductive part extends downward through second component, and first component and second component cooperate and form fixed cavity, and the fixed cavity is accommodated to the magnetic core, and conductive part passes through the magnetic core, and the isolating piece is connected with second component, and the isolating piece divides two adjacent conductive parts, and the magnetic core cooperates and forms the glue injection area with fixed cavity, and the glue injection area is filled with colloid, adopt first component and second component cooperation, relative to the prior art in a whole plastic piece, reduce the volume of whole, reduce the space occupied, second, improve the protection level of whole through the glue injection seal.

The utility model discloses a shell, a battery module, a battery pack and electric equipment, the shell comprises a coaming structure and a cooling structure, a connecting piece is arranged on the coaming structure, the cooling structure comprises a heat exchange part and a connecting part, the heat exchange part is arranged at the bottom of the coaming structure so as to define a mounting space together with the coaming structure, and the connecting part is arranged in the mounting space. The mounting space is used for mounting battery cells; the connecting part and the heat exchange part are arranged at an angle, and the heat exchange part is connected with the connecting piece through the connecting part. According to the technical scheme provided by the embodiment of the invention, the assembly efficiency of the battery module can be improved.

The utility model provides a water inlet heat pipe assembly, and belongs to the technical field of automobile pipe fittings. The water inlet heat pipe assembly comprises a main body and a connecting mechanism, the main body comprises a pipe body, a first mounting piece and a second mounting piece are welded to the outer portion of the pipe body, the connecting mechanism comprises a pair of first connecting bases, the pair of first connecting bases are fixedly arranged at the two ends of the pipe body respectively, and connecting grooves are formed in the pair of first connecting bases; a connecting head is movably inserted into the connecting groove, a second connecting base is installed at one end of the connecting head, first mounting bases are installed on the two sides of the exterior of the first connecting base, second mounting bases are installed on the two sides of the exterior of the second connecting base, and a pair of inserting grooves are formed in the sides, close to the second mounting bases, of the first mounting bases; a pair of insertion blocks is installed on the side, close to the first installation base, of the second installation base, the insertion blocks are connected with the insertion grooves in an inserted mode, and limiting grooves are formed in the ends, away from the second installation base, of the insertion blocks.

The application provides a prefabricated transformer substation, which comprises a transformer substation body, the transformer substation body comprises a base, universal wheels are installed on the bottom of the base, the universal wheels comprise a wheel frame and a wheel body, the wheel frame is hingedly installed on the lower part of the base to drive the wheel body to swing up and down, the base is provided with an avoiding structure, the wheel body has a supporting position and a ground-leaving position on the swinging stroke of the wheel body, the wheel frame is provided with a wheel frame locking structure and a wheel frame unlocking structure, the transformer substation body further comprises rolling bodies, the rolling bodies are used for forming rolling drums in cooperation with the wheel body when the wheel body is in the ground-leaving position, and the rolling bodies and the wheel body are correspondingly arranged on each side of the base, so that the projection of the rolling drums on each side of the base in the up-down direction encloses a closed figure. The prefabricated transformer substation can effectively solve the technical problem that animals easily enter the interior of the prefabricated transformer substation to cause damage due to the lack of a protection device in the prior art.

The utility model provides a pneumatic mould locking mechanism, including bottom plate, fixed claw, movable claw, cylinder, the left side face of bottom plate is provided with the two fixed claw at interval, and the upper part of fixed claw extends the bottom plate, the middle part of bottom plate is provided with the chute, the movable claw is movably arranged in the chute, and the upper part of the movable claw extends the bottom plate. A spring is arranged between the inner wall of the left side of the sliding groove and the movable claw, and a penetrating through hole is rightwards formed in the inner wall of the right side of the sliding groove. The air cylinder is arranged on the right side of the bottom plate through an adapter plate, a telescopic rod of the air cylinder penetrates through the adapter plate to be movably arranged in the penetrating through hole, the front end of the telescopic rod of the air cylinder is connected with an ejector rod, and the ejector rod is attached to the movable claw. The pneumatic clamping mechanism is arranged on a crimping machine workbench and is used for fixing a crimping die, so that the crimping die and the crimping machine are connected and fixed.

The invention discloses an installation protection structure of a public network terminal signal intensifier, and relates to the technical field of terminal signal intensifiers. Comprising an intensifier assembly, the intensifier assembly comprises an upper shell, a lower shell, a display screen, a wiring port, a wire, a shielding plate, a bearing plate, a connecting piece and a fixing piece, the upper shell is located at the top of the lower shell, the display screen is arranged on one side of the upper shell, the wiring port is fixed to one side of the lower shell, and the wire is connected with the wiring port. Through the arrangement of the protection assembly, the protection effect of the interface and the display screen can be greatly improved in the use and idle process of the terminal signal intensifier, and the situation that too much dust and other impurities enter the terminal signal intensifier, and great inconvenience is brought to subsequent use can be avoided.

The utility model relates to the technical field of lamp assembly, and discloses a lamp telescopic piece which comprises a lamp holder, an installation support and a guide rail, the lamp holder is of a hollow rectangular structure with an upper opening, the guide rail is installed on the inner side of the upper end of the installation support, and the installation support is connected with the guide rail in a clamped mode. Edge grooves are formed in the left side and the right side of the upper end of the lamp holder correspondingly. According to the lamp telescopic part, the lamp holder, the plug pin hole, the plug pin rod and the like are arranged, the plug pin rod is connected with a plug pin of the plug pin hole, the lamp holder is convenient to mount, during mounting, a round end is pressed to enable the plug pin rod to compress a spring, and after a mounting support enters the lamp holder, the round end enters a guide groove, so that the lamp holder is pressed to enable the plug pin rod to enter the plug pin hole; and when the lamp holder is assembled and disassembled, the lamp holder can be moved and disassembled only by pressing the circular end and moving the bolt rod to the outer side of the bolt hole by personnel, so that the maintenance of the lamp is facilitated, and the convenience is improved.

The utility model discloses a restraining glove for promoting blood flow of an upper limb, which can restrain the hand, can fix the position and posture of the upper limb, and can promote the blood of the upper limb to flow circularly in a massage manner. According to the technical scheme, the glove is characterized by comprising a hand glove body, an upper limb glove body and a fastener, the hand glove body is fixedly connected with one end of the upper limb glove body, the hand glove body is internally communicated with the upper limb glove body, the side wall of the upper limb glove body is provided with an open groove allowing the forearm and the hand to be placed therein, the open groove is formed in the length direction of the upper limb glove body, and the fastener is arranged on the upper limb glove body. A sealing assembly is arranged at the position of the open groove, and the buckling device is arranged on the surface of the upper limb sleeve body and detachably connected to the bedrail or the bed frame. A plurality of air bags are arranged on the inner side of the upper limb sleeve body, the upper limb sleeve further comprises a control assembly used for regularly expanding or shrinking the air bags, the reciprocating massage function on the forearm is achieved through the control assembly, and the problems of discomfort caused when the upper limb is restrained and unsmooth blood flow are solved.

The knapsack type elevator car structure comprises a knapsack frame and a car assembly, the car assembly comprises four stand columns, a left side plate, a right side plate, a back plate and a car roof, and mounting grooves are formed in the inner walls of the two right-angle sides of the four stand columns correspondingly; the two ends of the left side plate, the right side plate and the back plate in the width direction are assembled in the mounting grooves of the corresponding stand columns respectively, and the inner side of the corner of each stand column is detachably connected with a positioning pressing plate. The car roof is detachably connected to the tops of the four stand columns, the rear side wall of the car roof is detachably connected with the upper end of the backpack frame, and a horizontal limiting mechanism is further arranged between the mounting frame and the back plate. According to the knapsack type elevator car structure and the installation method, the structure is simple, installation and maintenance are convenient, the connecting structure between the car structure and the knapsack frame is stable, and safety is high.

The utility model discloses a special blood sampling vehicle which comprises a rack, handles are fixedly connected to the two side faces of the rack, and idler wheels are connected to the outer wall of the bottom of the rack through a supporting structure. A loading part is arranged on the top face of the rack and comprises a movable plate with one end rotationally connected to the edge of the top of the rack through a rotating shaft and two or more sleeve boxes arranged on the outer wall of one side of the movable plate at equal intervals, and an angle adjusting assembly is arranged at one end of the movable plate. The supporting structure is composed of a supporting leg, an extension rod inserted into the inner wall of the supporting leg and two or more limiting holes formed in the circumferential outer wall of the supporting leg and the circumferential outer wall of the extension rod at equal intervals. The blood collection parts of different patients are placed in the independently separated storage chambers, so that the blood collection parts are obliquely stored, the blood collection parts are convenient to find, the blood collection parts are prevented from falling off, the stability of the blood collection parts during storage is improved, and the condition that blood samples are mixed is avoided.

The utility model belongs to the field of water conservancy projects, discloses a flood prevention and emergency rescue device, and solves the problems that according to an existing flood prevention and emergency rescue device, a flood blocking plate is fixed through a movably-installed connecting rod, the fixing strength of the flood blocking plate is low, a transmission device for driving the connecting rod is arranged, and the structural complexity of the prior art is increased. According to the technical scheme, the floor drain comprises a plurality of bases, flood blocking plates are arranged on the top faces of the bases respectively, a plurality of fixing plates and connecting plates are arranged on the top faces of the bases, connecting structures are arranged between the fixing plates and the bases, the connecting plates are located above the fixing plates, and connecting structures are arranged between every two adjacent connecting plates and the fixing plates. The flood blocking plate is fixed through the clamping plate, the fixing mode is firmer, the fixing plate and the connecting plate are installed through the connecting structure, fixing of the flood blocking plate and connection between the bases can be achieved, the structure is simpler, assembly is convenient, universality is high, and maintenance and replacement are convenient.

The utility model relates to the technical field of fishing line and fishing rod connection, and provides a binding structure for connecting a fishing line and a rod tip, which comprises a binding rope, the fishing line is arranged in the binding rope, one end of the binding rope penetrates through a first line group sliding ball and forms an annular line binding part and a loopback part in a concentric-square-shaped surrounding manner, the annular line binding part is sleeved on a rod tip rope of a fishing rod, and the annular line group sliding ball is sleeved on the loopback part. The loopback part penetrates through the first line group sliding ball again and is provided with a first stop part; the other end of the binding rope is sleeved with a locking piece, and the locking piece is arranged at the end, away from the annular binding part, of the first line set sliding ball. According to the utility model, knotless connection between the fishing line and the rod tip rope of the fishing rod can be realized, the pulling force of the fishing line is improved, the connection is convenient and fast, the connection efficiency is high, and the use on a fishing site is convenient.

The utility model discloses a display device for an artificial intelligence data interaction system, and belongs to the technical field of interaction display equipment. The display device for the artificial intelligence data interaction system comprises a connecting assembly, display assemblies and a supporting assembly, the display assemblies are arranged on one side of the exterior of the connecting assembly, the supporting assembly is arranged on the side, opposite to the display assemblies, of the exterior of the connecting assembly, and the connecting assembly is used for connecting the two display assemblies. The supporting assembly is used for supporting the connecting assembly and the display assembly, the connecting assembly comprises a back plate, grooves are formed in the two sides of the outer portion of the back plate, a first magnet strip and a second magnet strip are connected into the two grooves respectively, the first magnet strip and the second magnet strip are magnetically attracted, and first connecting bases are connected to one side of the top face and one side of the bottom face of the back plate; second connecting bases are connected to the sides, away from the first connecting bases, of the top face and the bottom face of the back plate, the display assembly comprises a display screen, and one face of the display screen is fixedly connected with one face of the back plate.

The utility model discloses an assembly type stair guardrail, and relates to the technical field of guardrails, the assembly type stair guardrail comprises a plurality of vertical rods which are uniformly arranged on a stair at intervals; the vertical rods are detachably fixed to the stairs through the fixing assemblies; the supporting plates are arranged on the peripheral sides of the vertical rods respectively, the adjacent vertical rods are oppositely arranged, and threaded holes are formed in the supporting plates; the multiple supporting pipes are placed on the adjacent supporting plates respectively, and penetrating holes are formed in the supporting pipes; the connecting bolts are arranged in the penetrating holes in a penetrating mode, and the connecting bolts are in threaded connection with the threaded holes. The temporary guardrail can be conveniently installed.

The utility model belongs to the field of air cooling units, and particularly relates to a low-temperature air cooling unit with a heat recovery function, which comprises a supporting seat, an air cooling unit main body is fixedly mounted at the top of the supporting seat, a cleaning box is arranged at the right end of the air cooling unit main body, and two symmetrically distributed air guide fans are arranged at the top of the air cooling unit main body. And the top of the air guide fan is in contact with a dustproof plate. According to the air cooling unit, air guiding and ventilation can be conducted on the interior of the air cooling unit body through the designed air guiding fan, pollution caused by the fact that external dust and impurities enter the interior of the air cooling unit body in the ventilation process can be effectively prevented under the action of the dustproof plate, the connecting base and the dustproof plate can be limited under the insertion matching of the clamping ball and the clamping groove, and the air cooling unit is convenient to use. The dustproof plate and the air guide fan are connected and fixed, the clamping balls and the clamping grooves can be separated by rotating the dustproof plate, the dustproof plate can be detached immediately, and cleaning and maintaining work of the dustproof plate is facilitated.

This invention relates to charging pile cables and charging gun connection assemblies, belonging to the technical field of new energy vehicle charging equipment. Addressing the problem of loosening and detachment in existing charging gun and cable connections, it provides a solution. The solution includes a cable body comprising a cable core, which includes a power cable, a signal transmission cable, and a control cable. An insulation layer, an armor layer, and a sheath layer are sequentially wrapped around the cable core. A fiberglass layer fills the gap between the insulation layer and the cable core. The connection assembly uses a threaded ring, an mounting ring, and the charging gun body to form a three-section threaded connection structure, locked by a ring fitted onto the charging gun body. Annularly arranged inserts on the sidewall of the ring engage with corresponding slots on the threaded ring. Combined with a spring-driven automatic reset mechanism and an L-shaped groove guide structure, this ensures that the threaded ring cannot rotate or loosen after connection. This solution effectively solves the problem of easy failure in traditional locking block connections through dual improvements in the locking structure and cable protection layer.

The utility model relates to the technical field of box bodies, in particular to a spliced FFU box body which comprises a top cover, four inserting grooves are symmetrically formed in the lower surface of the top cover, inserting plates are connected to the inner side walls of the inserting grooves in an inserted mode, side plates are fixedly connected to the bottoms of the inserting plates, locking grooves are formed in the middles of the outer side walls of the inserting plates, and the locking grooves are fixedly connected with the inserting plates. And four sliding grooves are symmetrically formed in the outer side wall of the top cover and communicate with the inserting grooves, locking plates are slidably connected to the inner side walls of the sliding grooves, four fixing frames are symmetrically and fixedly connected to the outer side wall of the top cover, and a screw rod is rotationally connected to the side, away from the top cover, of each locking plate through a bearing. When the splicing type FFU box works, the four inserting plates are sequentially inserted into the inserting grooves, the screws are rotated clockwise to push the locking plates to move towards the interior of the top cover until the locking plates are inserted into the locking grooves, connection and fixation between the side plates and the top cover can be achieved, a splicing type FFU box body is formed, the four side plates are completely the same and can share one set of mold, and the splicing type FFU box body is formed. And the mold is small in size, and cost is saved.

The present application relates to the technical field of assembled wall, and discloses an assembled laboratory function wall for laboratory reconstruction, which comprises wallboards arranged and assembled according to a set path, the bottom of the wallboard is provided with two pairs of symmetrical bottom insertion holes, and further comprises a bottom fixing unit, which specifically comprises a fixing assembly arranged at the bottom of the wallboard, two ground anchors arranged inside the fixing assembly, and an offset assembly arranged between the fixing assembly and the ground anchors to control the offset of the fixing assembly. The assembled laboratory function wall for laboratory reconstruction can manually adjust or adjust the position of the ground anchor through the chamfer at the opening of the bottom insertion hole by arranging the offset assembly between the ground anchor and the mounting block, so that the correction through the deformation of the ground anchor or the wallboard is not necessary, the installation and dismounting difficulty is reduced, the initial stress between the wallboard and the bottom fixing unit is reduced, and the service life of the material and the repeated dismounting are prolonged.