35results about How to "Implement the lock function" patented technology

The utility model belongs to the technical field of robot storage devices, and particularly relates to a simple and safe underwater robot collecting and storing device which comprises a portal frame and a collecting assembly arranged below the portal frame. The recycling assembly comprises an electric hoist crane, an upper plate, a connecting rod, a second rotating rod, a third rotating rod and a middle plate; the electric hoist crane is mounted on the outer side of the end part of the portal frame; when hydraulic oil leaks, a second rotating rod and a third rotating rod are both in the vertical direction, and a middle plate tends to move upwards, due to the fact that the second rotating rod and the third rotating rod do not have component force in the inclined direction, the second rotating rod and the third rotating rod conflict with each other, that is, the position of the middle plate is in a fixed state all the time; and the locking function of the device is realized.

The invention discloses a main shaft system of a wind driven generator, which relates to the technical field of wind power generation, and comprises a fixed shaft, a rotating shaft and two bearings, the rotating shaft sleeves the outer side of a shaft main body part of the fixed shaft, the rotating shaft is sleeved with a disc I and a disc II, and a reinforcing rib I is arranged between the disc I and the disc II; an inner concave structure is arranged at the transition position of the shaft main body part and the disc flange part of the fixed shaft, a transition ring is arranged in the inner concave structure, the transition ring axially extends to the bearing outside the inner concave structure, the transition ring is in interference fit with the bearing, the outer circular surface of the transition ring is in interference fit with the rotating shaft, and the inner circular surface of the transition ring is in clearance fit with the fixed shaft. The rotating shaft sleeves the outer side of the shaft main body part of the fixed shaft, so that the bearing capacity is higher; the rotating shaft adopts a double-disc shared reinforcing rib structure, so that the shaft system structure is relatively high in integral rigidity, simple in structure, light in weight and good in economical efficiency; and the transition ring is arranged at the concave structure, so that the stress concentration coefficient of the fixed shaft is greatly reduced on the basis of meeting the structural use requirement, and the use requirement of a large MW-level unit is met.

The utility model discloses a high-strength plate leveling and hoisting structure with an anti-unhooking design, and particularly relates to the technical field of hoisting structures, the high-strength plate leveling and hoisting structure comprises a connecting plate for supporting, a positioning and hoisting assembly is arranged at the bottom of the connecting plate, and the positioning and hoisting assembly comprises a traction plate arranged at the bottom of the connecting plate. By arranging the positioning hoisting assembly, traction force rotates along the axis point of the connecting position of the clamping jaw and the reinforcing block, the function of clamping a steel plate is achieved, the electromagnet can electrify and magnetize the steel plate, the function of double locking of the steel plate is achieved, safety and stability during hoisting are ensured, and the hoisting efficiency is improved. And through meshing of the second gear and the first gear and threaded self-locking of the lead screw and the second gear, the locking function during hoisting is achieved, and stability and safety during hoisting are ensured.

The application relates to the technical field of game handles, and particularly discloses a game handle grip, which comprises a handle body and a grip, a connecting piece is arranged between the handle body and the grip, the handle body is movably connected with the grip through the connecting piece, and the handle body and the grip are contacted or separated under the action of external force; one of the grip and the handle body is provided with a locking piece, and the other is provided with a matching part; the locking piece moves relative to the matching part, and is used for locking or unlocking the handle body and the grip when the grip and the handle body are contacted; an elastic piece is arranged between the handle body and the grip, the elastic piece is connected with the handle body and the grip respectively, is used for releasing elastic force when the handle body and the grip are unlocked, and is used for separating the handle body and the grip under the action of external force. The handle body and the grip are locked to improve the stability of the product, and there is a gap between the handle body and the grip when being unlocked, so that a protective sleeve or a decorative sleeve can be installed according to requirements, thereby improving the overall flexibility of the product.

This utility model discloses a novel integrated fishing box, relating to the field of fishing tackle technology. It includes a one-piece molded box body and a lid hinged to the top of the box body. The top surface of the box body has a recessed receiving cavity, and the two outer side walls of the box body have integrally molded protruding mounting portions. Each mounting portion has a handle, and an elastic buckle is provided between the handle and the mounting portion. The bottom of the box body has a mounting block, and the top surface of the mounting block has an internally hollow adjusting shell. A locking seat is fitted inside the mounting block, and the locking seat has a movable through groove in its center. A support member that can enter the adjusting shell or extend from the locking seat is provided within the movable through groove. The side of the locking seat facing away from the box body has a recessed locking groove communicating with the movable through groove. The locking groove contains a locking switch, a first pivot, and a first torsion spring. The locking switch has a locking portion at the bottom and an anti-detachment portion at the top. The side walls of the box body have openings. This utility model uses a one-piece molded box body, enhancing the durability and stability of the overall structure of the fishing box.

This utility model relates to the field of logistics and transportation technology, and discloses a transport vehicle, including a main body with two roller assemblies at its bottom and a support member located between the roller assemblies, wherein the support member and the axes of the two roller assemblies are staggered; a lifting assembly including a movable rod and a connecting rod structure, the movable rod being vertically mounted on the main body and having a clamping assembly on it, the connecting rod structure including a vertically arranged first connecting rod and a second connecting rod, one end of the first connecting rod being connected to the movable rod and the other end being hinged to the second connecting rod to form a first hinge point, the second connecting rod being hinged to the main body to form a second hinge point, and having a foot pedal on it; when the user applies pressure to the foot pedal, the support member abuts against the ground, the second connecting rod rotates around the second hinge point, and drives the first hinge point to displace along a preset trajectory, so that the first connecting rod drives the movable rod to perform lifting and lowering movements. The advantages of this utility model are that it has a simple structure, is easy to operate, and has low production costs.

The invention relates to the technical field of mold machining, in particular to a mold base double-face pretreatment system based on turnover structures, which comprises a main body, a surface treatment mechanism and a fixing mechanism are arranged at the top of the main body, the fixing mechanism is used for fixing a mold base, turnover mechanisms are symmetrically arranged on two sides of the fixing mechanism, and the turnover mechanisms are used for fixing the mold base. The turnover mechanism comprises a mounting rod connected with the fixing mechanism, a second telescopic rod is arranged at the top of the inner side of the mounting rod, a chuck assembly is fixedly connected to the output end of the bottom of the second telescopic rod, a second mounting groove is formed in the position, close to the middle, in the mounting rod, and a second rack is slidably mounted in the second mounting groove in a limited mode. By means of the second telescopic rod, the chuck assembly, the second rack matched with the chuck assembly, the gear set and other components in the turnover mechanism, rapid and stable turnover of the mold base is achieved, the mold base can be accurately positioned in the turnover process, and the dislocation or falling problem caused by turnover is avoided.

The utility model discloses a water turbine generator unit machine head cover access door lock self locking device, including door body structure, rotation cooperation department, rotating part and eccentric lock tongue, the through -hole who is connected with rotation spare part department is provided on the door body structure, the rotating part is swinged and is arranged in rotation cooperation department, eccentric lock tongue is connected with rotating part, this scheme is driven eccentric lock tongue to rotate through rotation and makes the door frame structure to be clamped into between eccentric lock tongue and door body structure, because of the existence of eccentric lock tongue, when manual locking, eccentric lock tongue relies on gravity and friction force to realize locking, the gravity of eccentric lock tongue is downward at this time, because generator unit is in the vibration state for a long time, eccentric lock tongue will vibrate synchronously, and the clearance between door frame and door body structure is gradually reduced, while the clearance is gradually reduced, eccentric lock tongue, under the condition of being vibrated, will continue to move downward, and gradually locks, realizes self locking.

This application provides a locking mechanism, a housing assembly, and an electronic device. The locking mechanism includes a fixing component, a locking component, and a shape memory alloy member. The fixing component is used to fix the device to a first housing. The locking component is slidably disposed on the fixing component and is used to lock or separate from the second housing. The shape memory alloy member can contract and extend to change its length by power supply. The shape memory alloy member includes a first end and a second end disposed opposite to each other, and at least one winding end disposed between the first end and the second end. The first end is connected to the locking component, the second end is used to fix the device to the first housing, and the winding end is used to wind around the winding portion of the first housing to change the extension direction of the shape memory alloy member. This application not only realizes the locking function but also increases the effective length of the shape memory alloy member, increases the sliding distance of the locking component, reduces the difficulty of locking and unlocking the locking component and the second housing, and improves the service life of the shape memory alloy member.

The utility model discloses a frying and baking machine, which belongs to the field of kitchen appliances, solves the problems that a handle cannot be freely overturned and folded when a cover body of the existing frying and baking machine is closed and the handle is difficult to fix when the cover body is opened, and adopts the technical scheme that the frying and baking machine mainly comprises a lower baking tray assembly, an upper cover body and the handle, the handle is rotationally connected with the upper cover body through a rotating shaft, a locking piece and an unlocking piece are arranged on the upper cover body, the locking piece is provided with a locking position and an unlocking position, the locking position is matched with the rotating shaft for locking so as to limit rotation of the handle, the unlocking position is used for unlocking the rotating shaft, and the locking piece keeps the trend of moving towards the locking position. The unlocking piece drives the locking piece to move from the locking position to the unlocking position, and the locking piece is located at the unlocking position after the upper cover body is closed. When the cover body is closed, the handle can be freely overturned and folded, and when the cover body is opened, the rotation of the handle is more conveniently limited.

The utility model discloses an embedded flip parking stall lock convenient to maintain, including parking stall lock bottom cavity seat, the parking stall lock bottom cavity seat top surface rotation is connected with the flap component, and the flap component one side is provided with first access cover, and the flap component other side is provided with second access cover, and the parking stall lock bottom cavity seat inside is provided with monitoring part, and the monitoring part includes geomagnetic sensor and radar, and the parking stall lock bottom cavity seat inside still is provided with battery box, and the battery box is with monitoring part setting in first access cover just below, and the parking stall lock bottom cavity seat inside is provided with rotating mechanism, and the flap component one side is provided with angle sensor, and embedded installation reduces the damage of vehicle rolling and external force impact to parking stall lock, and good waterproof, anti -rust design can avoid internal component because of damp, rust and damage to prolong the service life of parking stall lock, and beautiful practical, and the design of ground level makes parking lot whole looks more neat and beautiful.

The push rod structure comprises a first rod, a hand push rod assembly capable of sliding relative to the first rod is connected in the first rod, a locking structure capable of locking the hand push rod assembly and the first rod is arranged between the hand push rod assembly and the first rod, and the locking structure comprises a locking groove formed in the first rod. A locking block which moves transversely and is matched with the locking groove is arranged in the hand push rod assembly, a sliding block which can slide up and down and can drive the locking block to retreat from the locking groove and a sliding block spring which drives the sliding block to reset are arranged on the hand push rod assembly, and driven inclined faces are arranged on the two sides of the locking block. Driving slopes which are matched with the driven slopes to drive the locking block to slide are arranged on the two sides of the sliding block, an operation piece which drives the sliding block to slide upwards is further arranged on the hand push rod assembly, and an elastic piece which drives the locking block to reset is further arranged in the hand push rod assembly. The device is simple in structure, convenient to operate, labor-saving and long in service life.

The utility model discloses sealed and isolated gas storage monitoring equipment which comprises a movable frame and a gas storage tank, and the gas storage tank is arranged at the top end of the movable frame. The sealing monitoring cover is arranged, the sealing monitoring cover is erected above the gas storage tank in the using process, a sealing block is clamped into a sealing groove, meanwhile, multiple sets of extending blocks extend out of the bottom of a sealing seat, a hand wheel is rotated to drive a threaded rod to rotate, and a threaded sleeve drives a locking pin to be connected with a locking groove under the threaded connection effect; according to the gas leakage monitoring device, the sealing monitoring cover is locked, a sealing space is formed above the gas storage tank, the interior of the sealing monitoring cover can be further detected through the gas leakage sensor, when gas leakage occurs, a signal is transmitted to the single-chip microcomputer through the gas leakage sensor, and a warning lamp flickers to remind workers, so that the working efficiency is improved, and the working efficiency is improved. Therefore, the safety of the gas storage tank in the moving and transporting process is improved.

A folding wing for an aircraft includes two symmetrical side wings and a connector. The front ends of the two side wings are respectively hinged to the connector. In the folded state, the tail ends of the two side wings are close together, and in the open state, the tail ends of the two side wings are far apart. The front ends of the two side wings are symmetrically connected to the connector via a connecting shaft and a rocker arm structure. The rocker arm structure includes a rocker arm and a cam. The center of the cam is fixed to the connecting shaft, and a limiting step is provided on the side edge of the cam. The rocker arm extends radially about the center of the cam.

The invention discloses a quasi-resonant switching power supply valley bottom locking and valley bottom switching circuit and method, and mainly solves the problems that valley bottom locking is discontinuous and timing time is difficult to determine in the prior art. The control chip comprises a valley bottom locking and switching module, a valley bottom detection module connected with the valley bottom locking and switching module, a VCO clock signal generation module, a trigger, a peak current limiting module connected with a reset end R pin of the trigger, and a driving module connected with an output end Q of the trigger. According to the invention, a continuous valley bottom switching function enables a system control loop to work continuously and reliably, and the problem of large output voltage ripple caused by large frequency change is avoided. The rapid valley bottom switching following can enable the switching frequency to rapidly follow the change of the load power, ensures that the power output of the switching power supply is equal to the load power, and avoids the problem of large fluctuation of the output voltage caused by large or small power output due to slow frequency following.

The utility model relates to the technical field of material surface treatment, in particular to a powder spraying coating heating device which comprises a machine body, a heater is arranged on the lower portion in the machine body, a safety door is rotatably connected to the front portion of the machine body, and a fixing plate is arranged on the upper portion in the machine body. The powder spraying coating heating device comprises a fixing plate, a plurality of evenly-distributed connecting blocks are slidably connected to the interior of the fixing plate, a moving part used for installing a heating workpiece is arranged in the fixing plate, and a second driving part used for driving the connecting blocks to move is arranged in the fixing plate. Through cooperation of a motor, a synchronous wheel and a synchronous belt, a connecting block can annularly move in a fixing plate, a toothed plate pushes a driving wheel to rotate, the driving wheel pushes a second bevel gear to drive a first bevel gear, a first connecting rod and a fixing buckle to rotate, and a workpiece can rotate in the machine body and annularly revolve around the fixing plate at the same time; therefore, the function of uniformly heating the workpiece can be realized.

The utility model relates to the technical field of barrier-free vehicles, and discloses a barrier-free vehicle ramp device which comprises a slope module, the slope module comprises a side block, a supporting pad rod is movably installed on the inner side of the side block, a fixing ring block is fixedly installed on the surface of the side block, and a probing rod is fixedly installed at the top end of the supporting pad rod. The stretching-in rod is arranged and serves as a carrier of the clamping block, so that the clamping block can move front and back in the fixing ring block, the clamping block can interact with the clamping plate in the fixing ring block, the locking and unlocking functions are achieved, the reset spring is arranged between the clamping plate and the inner wall of the fixing ring block, the reset spring provides outward pushing force, and the clamping block can move back and forth in the fixing ring block. When a user wants to fold the slope surface module, the user only needs to rotate the twisting block, the twisting block rotates to enable the tightening roller to wind the control line, and along with the tensioning of the control line, the control line pulls the clamping plate to overcome the elastic force of the reset spring to contract inwards, so that the clamping plate is moved away from the clamping block.

The present invention provides a rehabilitation wheelchair integrated with a walking aid, comprising a seat, the seat having a cushion and a bracket for carrying the cushion, the wheelchair also comprising: a walking aid, which can be disassembled and installed on the bracket in a guided sliding manner, and has two supporting parts that can support a human body, and a supporting body assembled and supported below the supporting parts; when the walking aid is separated from the seat, the walking aid supports a human body in a standing or walking state; when the walking aid is assembled with the seat, the two supporting parts are placed on both sides of the cushion, and can support a human body sitting on the seat. The rehabilitation wheelchair integrated with a walking aid of the present invention provides a wheelchair that can be used for riding and assist walking.

The present invention discloses a fixture for transferring metal parts, including a base, a motor, a tooth plate, a transmission gear and a drive shaft. A motor is installed below the base, and the motor is used to drive a horizontal movement of a cross bar. The cross bar is horizontally slidably installed on the upper end surface of the base. Two transmission gears are respectively installed on left and right drive shafts. The drive shaft is horizontally rotatably installed above the base, and the tail end of the drive shaft and the fixture plate are fixedly connected. The fixture for transferring metal parts redesigns the fixture mechanism, and utilizes the operation of the same motor. On the basis of ensuring the perfection of the basic function of the fixture to clamp the workpiece, the angle of the workpiece after clamping can be conveniently adjusted. The two functions do not affect each other. At the same time, the structure of the fixture plate in the fixture is redesigned, and airflow is used as a power source to synchronously adjust the height of the workpiece and remove debris and dust after surface processing.

The utility model discloses a kind of packing device for sewing thread production, including bottom plate, packing assembly is arranged on the bottom plate, the packing assembly includes operation table and conveyer belt, the operation table is installed on bottom plate, the conveyer belt is set on operation table, and the operation table is wound with packaging tape, the side of the operation table is equipped with placing rack, the placing rack is equipped with mounting seat, the mounting seat is equipped with fastening assembly, the fastening assembly includes rotating seat and mounting rod, the rotating seat is rotatably connected on mounting seat, the mounting rod is slidably connected on rotating seat and mounting seat, mounting seat is placed with placing rod, to solve the technical problem of low efficiency and inconvenient operation mentioned in the background art in the existing sewing thread production packing device technical field.

The utility model relates to a flexible bearing retainer which comprises an annular retainer main body and a plurality of separation columns which are arranged at intervals and axially extend outwards from one side of the retainer main body, pockets for placing balls are formed between adjacent separation columns, the pockets comprise a first pocket and a second pocket, the first pocket is cylindrical, and the second pocket is cylindrical. The axial direction of the cylinder is the same as the axial direction of the retainer, the lower portions of the second pockets are arranged in a cylindrical mode, the axial direction of the lower cylinder is the same as the axial direction of the retainer, the upper portions of the second pockets are arranged in a hemispherical mode, and the diameter of the upper hemisphere is the same as that of the lower cylinder. The composite pockets are distributed among the cylindrical pockets, the diameter of the upper opening is smaller than the diameter of the ball to form the locking opening, so that the retainer is prevented from being separated from the ball from the locking opening and loosely sleeved, the pockets are in cambered surface contact with the ball body, frictional wear between the ball body and the retainer can be reduced to the greatest extent, and the service life of the bearing is prolonged.

This utility model discloses a tea bar machine, comprising: a cabinet body, the upper and lower parts of which are divided into a storage chamber and a water storage chamber; an inner tank assembly, the inner tank assembly including an outer barrel chamber arranged adjacent to the storage chamber within the cabinet body, a heating barrel body detachably disposed within the outer barrel chamber, and a heating device; a water pump assembly, the water pump assembly being disposed within the cabinet body; a tea bar machine tabletop, the tea bar machine tabletop being fixed to the top of the cabinet body, and a hinged flip-top on the tea bar machine tabletop; and a tea bar machine backrest, the tea bar machine backrest being detachably connected to the tea bar machine tabletop, and equipped with a water outlet assembly. This utility model features a reasonable structural design. The detachable heating barrel body and heating device within the inner tank assembly facilitate heating and maintenance. The water pump assembly ensures precise water delivery. The flip-top of the tea bar machine tabletop and the detachable backrest facilitate operation of the heating barrel body, achieving overall flexibility and enhancing the user experience.

The suction nozzle kettle comprises a kettle body and a kettle cover, a concave containing groove is formed in the kettle cover, a water drinking assembly communicated with the interior of the kettle is arranged in the containing groove, the water drinking assembly comprises a suction nozzle, the side, away from a suction nozzle opening, of the suction nozzle is rotationally connected to the containing groove close to the edge of the kettle cover through a rotating shaft, a sliding piece is arranged on the suction nozzle, and the sliding piece is connected with the suction nozzle. The sliding piece can slide relative to the suction nozzle when being pushed and reset when losing pushing force, spring pins with the ends capable of extending into the containing groove are arranged on the two groove walls of the containing groove, the sliding piece is provided with limiting grooves corresponding to the two spring pins respectively, and the top faces of the ends of the spring pins are provided with guide inclined faces. The bottom of the sliding piece is provided with a guide face matched with the guide inclined face to guide the spring pin into the limiting groove. Compared with the prior art, the suction nozzle has the advantages that the suction nozzle is prevented from being accidentally unfolded due to misoperation or collision through the matching of the sliding piece and the spring pin, the suction nozzle is locked and unlocked through the sliding of the sliding piece, and the operation is simple.

The utility model discloses a kind of flip cover mechanisms of tea bar machine, including tea bar machine cabinet, the tea bar machine table top of tea bar machine cabinet top arrangement and the tea bar machine backrest of detachably setting on tea bar machine table top, detachably connected inner barrel is set in tea bar machine, tea bar machine table top is arranged with flip cover assembly, flip cover assembly includes: flip cover body, flip cover body is arranged on table top by hinging;Unlocking assembly, unlocking assembly includes the locking clamping groove of arrangement flip cover body bottom and the movable buckle assembly of setting table top in with flip cover body clamping cooperation;Movable buckle assembly includes the sliding sleeve of arrangement setting flip cover body, the table buckle of setting in sliding sleeve and the locking clamping groove clamping and with table buckle adjacent setting for providing elastic member that outwards spring force;The utility model structure design is reasonable, by setting flip cover assembly includes flip cover body and unlocking assembly, the locking and unlocking of flip cover body convenient and stable are realized.

The utility model discloses a bean bin assembly and a coffee machine. The bean bin assembly comprises a base, a bean bin body, a lock catch mechanism and a trigger piece. The base is provided with a mounting opening; the bean bin body is detachably mounted at the mounting opening, and the bean bin body is provided with a limiting piece; the locking mechanism is arranged on the base, the locking mechanism is provided with a movable buckling part, and the buckling part can move relative to the base so as to be clamped with or separated from the limiting piece, so that the locking mechanism has a locking state and an unlocking state; the triggering piece is movably arranged on the base and is in transmission connection with the locking mechanism; the trigger part can drive the buckling part to move under the action of external force, so that the locking mechanism is switched from the locking state to the unlocking state. According to the technical scheme, the locking and unlocking operation of the bean bin can be simplified, and the convenience of installing and taking down the bean bin is improved.

The invention relates to a welcome lamp system of a vehicle and a control method thereof. The welcome lamp system of the vehicle comprises a welcome lamp, a control unit and a touch switch, wherein the welcome lamp is arranged on the vehicle and is provided with a driving circuit; the control unit is electrically connected to a driving circuit of the welcome lamp; the touch switch is arranged on a vehicle body and electrically connected to the control unit, and the touch switch is configured to generate an electric signal when being touched and output the generated electric signal to the control unit; the control unit is configured to control the light emitting mode of the welcome lamp according to the electric signal received from the touch switch.

The utility model provides a steel rotary latch which comprises a lock box, a mounting plate, a rotary structure, a connecting handle, a rotary handle and a positioning structure, the mounting plate is fixedly mounted on the outer side of the lock box and fixedly mounted on a door plate, and the rotary structure is mounted on one side in the lock box; the connecting handle is rotationally installed on the outer side of the rotating structure, the rotating handle is fixedly installed on the top of the connecting handle, and the positioning structure is fixedly installed on the other side in the lock box. Due to the arrangement of the rotating structure, the rotating handle and the positioning structure, the risk of misoperation is low, operation is convenient, locking stability is high, and external interference is not likely to happen.

The utility model discloses a kind of lower lock type full plastic press pumps, comprising: pump shell, pump chamber is equipped in pump shell, the lower end of pump chamber is equipped with first check valve;Pump pipe, it is slidably arranged in pump chamber, and its lower end is equipped with second check valve;Piston, it is sleeved in the lower part of pump pipe;Rotary seat, it is connected in pump shell by screw thread, and can be lifted in it Adjustment;Guide cover, it is fixedly connected or integrally connected in the upper end outer side periphery of pump pipe;Elastic reset piece, it is arranged between rotary seat and guide cover;Circumferential limiting structure, it is arranged between guide cover and rotary seat;Wherein, in the state that pump pipe is under depression, by rotating pump pipe, rotary seat is driven to move downwards, so that the distance between rotary seat and guide cover increases, so that elastic reset piece keeps relaxed state.The utility model has the advantages of simple structure, convenient operation, and can effectively avoid the advantages that elastic reset mechanism is invalid due to long time pressure.

An externally locking connector structure includes a male connector and a female connector. The male connector includes a male plug, an outer spring-loaded latch, and an internal male pin. The female connector includes a female socket, an outer snap-fit, and an internal female pin. The male plug and female socket, male pin and female pin, and spring-loaded latch and snap-fit ​​are all correspondingly matched. The male plug has a slot 1, in which the male pin is located. The female socket has a slot 2 and an insulating post, with the female pin embedded in the end face of the insulating post. The male plug and slot 2, and the insulating post and slot 1 are dimensionally matched. The inner wall of slot 1 has guide ribs and anti-misalignment ribs, and the outer wall of the insulating post has corresponding anti-misalignment grooves. The outer wall of the male plug has a sealing ring, a spring-loaded latch, and a limiting protrusion. The outer wall of the female socket has a guide groove and a snap-fit ​​with a three-gradient ramp. This structure achieves external locking, accurate and smooth mating, anti-misalignment, IPX7 waterproof rating, convenient locking and unlocking, assembly feel feedback, and overvoltage protection, improving operation feel and reliability.