A national standard charging gun installation structure

Abstract

The present invention discloses a national standard charging gun installation structure, aiming to provide a national standard charging gun installation structure that improves assembly efficiency and stability, enhances safety of use and service life. It includes a gun body main body, the gun body main body is a cavity structure, and a circuit board 1 is detachably connected inside the gun body main body; a terminal bracket, the terminal bracket is detachably connected to the gun body main body, the terminal bracket is connected to the terminal assembly, and the terminal assembly and the terminal bracket are an integrated structure; a gun head shell; a locking assembly, the gun body main body includes a reset assembly 1, and the reset assembly 1 is connected to the locking assembly; a gun tail liner, the gun body main body includes a reset assembly 2 and a linkage assembly, the gun tail liner is detachably connected to a micro switch and a circuit board 2, and the linkage assembly is connected to the locking assembly; an anti-skid shell, the anti-skid shell is sleeved with the gun tail liner and the gun body main body. The beneficial effects of the present invention are: realizing modular assembly of the charging gun; the installation structure is efficient and convenient for later maintenance; and the connection between the structures is stable.

Description

Technical Field

[0001] The present invention relates to the technical field of charging guns, and in particular to a national standard charging gun installation structure. Background Art

[0002] When new energy vehicles charge their batteries, a charging gun is a necessary accessory. The assembly efficiency and stability of the charging gun's accessories affect the production efficiency and quality of the charging gun, as well as its subsequent maintainability, which are crucial to safe charging operations.

[0003] China Patent Authorization Announcement Number: CN 220209450 U, Authorization Announcement Date December 19, 2023, This utility model proposes a charging gun structure, including: a charging gun housing, the front end of the charging gun housing is connected to a charging gun plug, and a accommodating cavity corresponding to the charging gun plug is arranged on the side wall of the charging gun housing, a terminal fixing piece is fixedly connected to the charging gun housing inside the charging gun plug, a charging terminal can be installed in the terminal fixing piece, and one end of the charging terminal is connected to the charging gun plug; the rear end of the charging gun housing is connected to a housing tail cover, and the housing tail cover is connected to the charging gun housing, a wire installation structure is arranged in the housing tail cover, and a charging cable is connected in the wire installation structure. The disadvantages of this technical solution are: the gun body is difficult to quickly position and stably assemble, which affects the quality of the assembled finished product and later maintenance, and at the same time, the sealing of the gun body in the structure is difficult to take into account, and the assembly stability and use safety of the terminal are low, which is easy to cause safety accidents.

[0004] In summary, the charging gun has shortcomings such as low assembly stability and efficiency, reduced safety of use and service life. Summary of the invention

[0005] The present invention aims to overcome the shortcomings of the charging gun in the prior art, such as low assembly stability and efficiency, reduced safety of use and service life, and provides a national standard charging gun installation structure that improves assembly efficiency and stability, enhances safety of use and service life.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A national standard charging gun installation structure, comprising The gun body is a hollow structure, and a circuit board 1 is disassembled and connected inside the gun body; The terminal bracket is detachably connected to the gun body, the terminal bracket is connected to the terminal assembly, and the terminal assembly and the terminal bracket are an integrated structure; The gun head housing is connected to the terminal bracket and the gun body in a detachable sealed manner; The locking assembly, the gun body includes a reset assembly 1, the locking assembly is detachably sealed and connected to the gun head housing, the reset assembly 1 is connected to the locking assembly, and the locking assembly is movably connected to the gun head housing through the reset assembly 1; The gun tail liner, the gun body main body includes a reset component 2 and a linkage component, the gun tail liner is detachably connected to the gun body main body, the gun tail liner is detachably connected with a micro switch and a circuit board 2, the linkage component is connected to the locking component, the micro switch is movably connected to the linkage component through the locking component, the reset component 2 is movably connected to the micro switch, and the gun tail liner and the gun body main body are all sealed and connected to the reset component 2; The anti-slip shell is connected with the gun tail liner and the gun body.

[0007] A circuit board 1 is installed in the inner cavity of the gun body, one end of the gun body is connected to a terminal bracket with a terminal assembly, the terminal bracket is protected by an external gun head cover, the other end of the gun body is connected to a gun tail liner, the gun tail liner is connected to circuit board 2 and a micro switch, the outside of the gun tail liner is protected and connected to the gun body by a non-slip cover to improve the integrity of the charger and the anti-slip properties when plugging and unplugging, so that the charger can be charged and discharged through the electrical connection between circuit board 1, circuit board 2 and the terminal assembly and connected to the power supply device (not shown in the figure) through a cable, and can be safely powered on and off through the micro switch. Among them, the terminal assembly and the terminal bracket are an integrated structure to improve the integrity of the electrical connection and enhance the stability and safety during the plug-in and pull-out operations; the gun head shell is detachably sealed through the terminal bracket and the gun body, which is convenient for assembly and later maintenance, and at the same time enhances the sealing of the connection between the structures during assembly, so that the gun head shell protects the electronic components of the charging gun, prolongs the service life and ensures operational safety; the charger is stably fastened when connected by operating the locking assembly, wherein the reset assembly facilitates the unlocking of the locking assembly to achieve rapid reset, and the reset assembly and the gun body are detachably connected, which is convenient for assembly and later maintenance, and at the same time The locking component is detachably installed on the gun body through assembly. In addition, although the locking component can be moved on the gun body, it is a sealed connection to prevent rain and dust from entering the inner wall with electronic components to damage the charging gun; the gun body and the gun tail liner drive the linkage component at the same time when the locking component is active, so that the linkage component can synchronously drive the micro switch to achieve safe power on and off during charging and power off operations, and cooperate with the reset component 2 to ensure the reset of the linkage component. The reset component 2 is a detachable connection for later maintenance. In addition, the connection with the gun tail liner and the gun body is a sealed connection to enhance the sealing of the charging gun and protect the internal electronic components. The charging gun can be assembled in modules, the installation structure has high efficiency, is easy for later maintenance, the structure is compact, the connection between the structures is stable, the operation safety is improved, and the service life of the charging gun is extended.

[0008] Preferably, the gun body includes a main chamber, a circuit board 1 is detachably connected to the main chamber, the main chamber is provided with a connecting column 1, a terminal bracket is plugged with a fixing screw 1, the fixing screw 1 is threadedly connected to the connecting column 1, a gun head shell is provided with a limit seat, the limit seat is plugged with a fixing screw 2, the limit seat is provided with a limit groove 1, the limit groove 1 is embedded with a screw sealing ring, the screw sealing ring is sleeved with the fixing screw 2, the terminal bracket is provided with a positioning groove, the bottom of the positioning groove is provided with a connecting screw hole 1, the fixing screw 2 is threadedly connected to the connecting screw hole 1, and the screw sealing ring is crimped with the groove of the positioning groove. The circuit board 1 is installed in the main chamber of the gun body. The cavity opening at one end of the main chamber is sealed by bolting the internal connecting column 1 with the fixing screw 1 on the terminal bracket to fix the terminal bracket. The fixing screw 1 is provided with several fixing screws to stably fix the terminal bracket to ensure that the terminal assembly can be stably connected. The gun head cover is bolted to the connecting screw hole 1 on the terminal bracket through the fixing screw 2 to protect the terminal assembly, the terminal bracket and the inner cavity of the gun body through the gun head cover. When the fixing screw 2 is connected to the terminal bracket, the limit seat and the positioning groove are inserted and positioned, and the bolt sealing ring is pressed against the bottom of the positioning groove to prevent liquid from entering the terminal bracket and the gun body from the connection between the limit seat and the fixing screw 2, thereby realizing the connection between the terminal bracket and the gun body, and the gun head cover and the terminal bracket are installed and connected with high sealing. The effect of realizing the rapid connection of the charging gun structure, easy disassembly and maintenance, and high sealing of the connection to extend the service life is achieved.

[0009] Preferably, the terminal bracket is connected with boss one, boss one is connected with boss two, the structural shapes of boss one and boss two are both of different shapes, the positioning groove is arranged on the surface of boss one, fixing screw one is plugged into boss two, the gun head shell is provided with sinking groove one, sinking groove one is provided with sinking groove two, sinking groove two is clamped with boss one, sinking groove one is clamped with boss two, the end face of the gun body is provided with step groove one, the gun head shell is provided with step groove two, step groove one is matched with step groove two, step groove two is provided with limiting groove two, limiting groove two is embedded with a gun head sealing ring, and the gun head sealing ring is crimped with step groove one. The terminal bracket is connected and docked by the special-shaped boss 1 and the sunken groove 2, and the boss 2 and the sunken groove 1, so that the structures can realize the mutual insertion of the foolproof design, improve the integrity of the structure and form a hierarchical structure of labyrinth sealing. In addition, when the gun head shell is connected with the gun body, the step groove 1 and the step groove are connected to form a sealing labyrinth and compress the gun head sealing ring between them, so as to further enhance the sealing performance and adapt to the harsh use environment. The gun head shell is connected with the terminal bracket and the gun body with high precision, the assembly is efficient and foolproof, and it has strong sealing performance, thereby further extending the service life.

[0010] Preferably, the terminal bracket is provided with a mounting hole, the terminal bracket includes an insulating cap and a limiting rod, the terminal assembly includes a terminal and a conductive sheet, the gun head housing is provided with a docking slot, the terminal is plugged into the docking slot, the insulating cap is placed in the terminal, the terminal is provided with a limiting through hole, one end of the terminal is connected to one end of the conductive sheet, the other end of the conductive sheet is connected to a circuit board, one end of the limiting rod is connected to one end of the insulating cap, the other end of the limiting rod passes through the limiting through hole and is connected to the hole wall of the mounting hole, the limiting rod and the terminal bracket are an integrated structure, the other end of the insulating cap is against the other end port of the terminal, and the insulating cap and the limiting rod are integrally injection molded on the terminal. The terminal bracket is connected to the terminal and the insulating cap through the mounting hole, the insulating cap is placed inside the terminal to protect the electrical operation, the limiting rod connected to the insulating cap is inserted into the limiting through hole on the terminal to jointly prevent the terminal from shifting when plugging and unplugging in the docking slot, the limiting rod, the insulating cap and the terminal bracket are an integrated structure and are integrally formed with the terminal during injection molding, so that it is different from the connection method of the insulating cap inserted from the outside. The terminal is ensured to be firmly installed on the terminal bracket with integrity, water is prevented from entering, the safety of the charging gun is ensured, and the assembly time is saved and the assembly efficiency is improved.

[0011] Preferably, the gun body is provided with a lock chamber and a pressing hole, the lock chamber is connected with the pressing hole, the locking assembly comprises a lock hook, a lock rod and a button, the button is plugged into the pressing hole, the reset assembly comprises a spring and a support block, the lock rod is placed in the lock chamber, one end of the lock rod is connected with the lock hook, the lock hook and the lock rod are an integrated structure, the gun head shell is provided with a clearance hole, the lock hook is plugged into the clearance hole, the other end of the lock rod is provided with a connecting groove, the groove wall of the connecting groove is provided with a card groove, the button is connected with a card buckle, the card buckle is plugged into the connecting groove, the card buckle is buckled with the card groove, the end surface of the lock rod close to the lock hook is provided with a connecting groove, the connecting groove is connected with a stabilizing column, one end of the spring is connected to the connecting groove, the spring is sleeved with the stabilizing column, the lock chamber is provided with a limiting groove three, the other end of the spring is against the limiting groove three, the support block and the other end surface of the lock hook are connected to the support block, and the support block and the spring are arranged relatively. The gun body has a lock chamber on one side outside the main chamber, so that the locking assembly and the reset assembly can be quickly assembled, placed and operated through the lock chamber, wherein the lock hook is connected to one end of the lock rod and extends out of the clearance hole to be placed on one side of the gun head housing, and the other end of the lock rod is connected to the button through a buckle, so that the button can be quickly connected and assembled through the buckle; the button is connected to the lock rod to cooperate with the spring 1 to drive the lock rod, so that the lock rod and the support block are the fulcrum lever movement and then drive the lock hook to lock and unlock, the lock hook and the lock rod are an integrated structure to improve the structural integrity, the spring 1 and the support block are placed on the lock rod near the lock hook end to form a labor-saving lever operation, and the lock hook can be easily lifted by pressing the button farther away, so that the lock release reaction is sensitive. The effect of improving the assembly efficiency and stability of the locking assembly and the reset assembly 1 and making the charging gun convenient and easy to operate is achieved.

[0012] Preferably, the lock chamber is connected with a fixed seat, the fixed seat is provided with a guide slot, and both sides of the hole are provided with a stable support plate, one end of the stable support plate is connected to the gun head shell, and the other end of the stable support plate is provided with a limiting slot, and the locking assembly includes a connecting rod, one end of the connecting rod is connected to the locking rod, and the other end of the connecting rod is plugged into the guide slot, the stable support plate is plugged into the lock chamber, and the connecting rod is clamped with the limiting slot. The inner wall of the lock chamber is connected with the fixed seat, and the guide slot is adapted to the connecting rod so that when the locking assembly is assembled, the connecting rod is inserted into the lock chamber along the guide slot to be positioned, and when the gun head shell is assembled, the stable support plate is inserted into the lock chamber and cooperates with the limiting slot of the end and the guide slot to limit the connecting rod, thereby limiting the position and rotation stability of the locking assembly, wherein the groove walls of the limiting slot and the guide slot are both arc-shaped, and the connecting rod is round rod-shaped, so as to ensure that the locking rod can rotate smoothly, and at the same time further enhance the positioning and assembly accuracy of the gun head shell. The assembly efficiency between structures, the connection accuracy of the structures and the operational stability are enhanced.

[0013] Preferably, the gun body is provided with a movable groove and a limit channel, the movable groove is connected with the lock chamber through the limit channel, the inner wall of the gun tail liner is connected with a support seat, the support seat is provided with a fixed groove, the micro switch is plugged into the fixed groove, the linkage component includes a push rod, a push pin, a push pin seat and a micro ejector pin, the reset component 2 includes a spring 2, a micro ejector pin sealing ring and a micro ejector pin sealing cover, the gun tail liner is provided with a connecting groove 2, the push pin is plugged into the limit channel, the micro ejector pin sealing cover is detachably connected to the movable groove, one end of the push rod is detachably connected to the lock rod, and the push rod The other end of is against one end of the push pin, the other end of the push pin is connected to the push pin seat, the other end of the push pin seat is connected to one end of the micro-motion ejector sealing ring, the other end of the micro-motion ejector sealing cover is connected to the micro-motion ejector sealing cover, the micro-motion ejector sealing cover is provided with a center hole and an eccentric hole, the push pin seat is connected with a stabilizing column 2, one end of the spring 2 is connected to the push pin seat, the other end of the spring 2 passes through the center hole and is connected to the connecting groove 2, the spring 2 is sleeved with the stabilizing column 2, one end of the micro-motion ejector is connected to the push pin seat, and the micro-motion ejector passes through the eccentric hole and is connected to the micro switch. The rear end cavity of the gun body is provided with a movable groove for connecting the linkage component and the reset component 2. The reset component 1 separates the locking chamber from the main chamber and the gun tail liner through the micro-motion ejector sealing ring and the micro-motion ejector sealing cover, and seals the outside world and the inside of the charging gun, so that the electronic components can maintain continuous normal operation. In addition, the reset component and the linkage component are detachably connected while ensuring the sealing of the connection, so as to facilitate quick assembly and later maintenance. Among them, the micro switch is positioned and installed on the inner liner of the gun tail through the fixing groove of the support seat, and the push pin in the linkage assembly is inserted in the limit channel so that the limit channel restricts the movement of the push rod when the button is pressed, and resets it through the spring two in the reset assembly two. The push pin is connected through the push pin seat, so that the spring two connected to the other end of the push pin seat is compressed and the force is removed to reset the push pin, thereby driving the micro ejector connected to the push pin seat to move back and forth to operate the micro switch, that is, the locking hook operation and the micro switch operation are realized synchronously under the drive of the button, and the connection and operation are stable. Among them, the micro-movement ejector sealing cover is connected with the micro-movement ejector sealing ring, the push pin seat is connected with the micro-movement ejector sealing ring, and the push pin and the micro-movement ejector are connected with the push pin seat to form an integral accessory that can be quickly assembled into a whole and quickly assembled with the movable groove and the limit channel. The modular parts are assembled and the overall assembly operation is simplified to improve the assembly efficiency; the center hole is an opening structure at the center of the micro-movement ejector sealing cover to allow the spring 2 to pass through, and the eccentric hole is an opening structure on one side of the center hole on the micro-movement ejector sealing cover to allow the micro-movement ejector to pass through, and the push pin is connected from the other side of the center hole to achieve the overall structural layout and force balance. The force application point of the spring 2 is evenly and harmoniously with the force points of the micro-movement ejector and the push pin, so as to achieve the accuracy of the structural operation and prevent the structure from getting stuck and unable to return to its original position during movement. The sealing of the charging gun is enhanced, the assembly accuracy and efficiency of the structure are high, and the operation is smooth and stable.

[0014] Preferably, the locking rod is provided with a limit card seat, the limit card seat is provided with a limit card slot, one side of the limit card slot is provided with a limit slot, the other side of the limit card slot is provided with a guide bevel slot, the button is connected with a pressing top plate, the pressing top plate is plugged into the limit slot, the push rod includes a connecting rod and a rotating cylinder, the ends of the connecting rod are connected to the rotating cylinder, one end of the connecting rod is engaged with the limit card slot, the other end of the connecting rod is against the push pin, and the connecting rod is engaged with the guide bevel slot. The lock rod is connected to a limit card seat at one end below the button. The limit card seat is connected to the rotating cylinder at one end of the push rod through the limit card slot to prevent the push rod from falling out of the lock rod, so that the push rod can be stably connected to the push rod and driven. The limit slot on the limit card slot is adapted to the pressing top plate, ensuring that the push rod is directly assembled through the limit card seat and prevents it from falling out of the limit card seat after assembly. In addition, when pressing the button, it is ensured that the lock rod and the push block can be pressed into place by pressing the top plate to ensure synchronous driving. The guide bevel allows the connecting rod in the push rod to be stuck in the guide bevel and the rotating cylinder at the other end is connected to the push pin through the obliquely arranged groove bottom, while ensuring that the obliquely arranged push rod produces a pushing effect under vertical pressure. The circular rotating cylinder keeps the push rod rotating smoothly during pushing. It achieves the effect of achieving guided assembly, thereby improving assembly efficiency, enhancing structural connection stability, and preventing displacement and operation jams.

[0015] Preferably, the gun tail liner is a Havers structure and is bolted, the support seat is placed in one half of the gun tail liner, and the other half of the gun tail liner is connected to a limited top block, the limited top block is against the micro switch, the end face of the gun body is connected to a connecting seat, the connecting seat is provided with a wire passing hole, the wire passing hole is connected to the main chamber, the connecting seat is connected to a limited stop strip, the inner wall of one end of the gun tail liner is connected to a docking card seat, the docking card seat is provided with a docking hole, the docking hole is connected to the wire passing hole, the structural shape of the connecting seat is an irregular shape, the connecting seat is clamped with the docking hole, the hole wall of the docking hole is provided with a second clamping groove, the limit stop strip is embedded in the second clamping groove, and the other end of the gun tail liner is provided with a cable entry hole. The two halves of the gun tail liner are hollow and are connected by bolts of the Harvard structure to facilitate quick and easy assembly. The support seat is connected to the gun tail liner on one side and the limit top block in the other half of the gun tail liner during the combination will hold the micro switch against the fixed groove. The two halves are combined to prevent the micro switch from moving, and can be quickly maintained and replaced. The rear end face of the gun body is connected to the connection seat, and the inner cavity of the gun body and the inner cavity of the gun tail liner are connected through the wire hole on the connection seat to allow the cable line to pass through. When the two halves of the gun tail liner are enclosed, the docking card seat is connected to the connection seat through the docking hole, and the limit stop bar on the connection seat is embedded in the card slot on the docking card seat to fix the gun tail liner on the gun body to prevent separation during plugging and unplugging. The Harvard connection realizes the balance of the connection point and thus enhances the connection strength. The tail end of the gun tail liner is provided with a cable entry hole for the cable to enter the power cable, and the structural shape of the connection seat is a special shape to prevent the gun tail liner from being installed in the wrong direction to achieve foolproofing. The effect of improving assembly efficiency, facilitating later maintenance, and enhancing the connection strength between structures is achieved.

[0016] Preferably, the inner wall of the gun body is connected to a circuit board bracket 1, the circuit board bracket 1 is connected to a guide slot 1, the circuit board 1 is plugged into the guide slot 1, the inner wall of the gun tail liner is connected to a circuit board bracket 2, the circuit board bracket 2 is connected to a guide slot 2, the circuit board 2 is plugged into the guide slot 2, and the inner wall of the gun tail liner is connected to a plurality of reinforcing ribs. The inner wall of the gun body allows the circuit board 1 to be inserted and fixed through the guide slot 1 on the circuit board bracket 1, and the inner wall of the gun tail liner allows the circuit board 2 to be inserted and fixed through the guide slot 2 on the circuit board bracket 2, which is convenient for quick removal during disassembly and maintenance, and the reinforcing ribs improve the structural strength of the gun tail liner and prevent it from being broken by gravity. The effect of improving the structural installation and fixing strength and the bearing strength of the gun body is achieved.

[0017] The beneficial effects of the present invention are: the charging gun can be assembled in modules; the installation structure is highly efficient and convenient for later maintenance; the structural arrangement is compact and the connection between structures is stable; the operational safety is improved and the service life of the charging gun is extended; high-precision connection, efficient and fool-proof assembly, and strong sealing; the charging gun is convenient and easy to operate; guided assembly, firm installation and integrity; the charging gun is convenient and easy to operate; and the bearing strength of the gun body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a stereogram of the present invention; Figure 2 yes Figure 1 Exploded diagram of Figure 3 yes Figure 1 A cross-sectional view of Figure 4 is a schematic diagram of the structure of the terminal bracket; Figure 5 It is a schematic diagram of the structure of the gun head housing; Figure 6 It is a schematic diagram of the connection between the locking component and the reset components one and two; Figure 7 yes Figure 2 Enlarged view of point A in the middle; Figure 8 It is a schematic diagram of the button structure; Fig. 9 yes Figure 3 Enlarged view of point B in the middle; Fig.10 yes Figure 3 Enlarged view of point C in the middle; Fig.11 is a structural diagram of reset component 2; Fig.12 It is a schematic diagram of the structure of the main body of the gun; Fig.13 It is a cross-sectional view of the connection between the button and the buckle; Fig.14It is a schematic diagram of the connection between the gun tail liner and the connecting seat; Fig.15 It is a schematic diagram of the connection between the gun tail liner and the connecting seat.

[0019] In the figure: 1. Gun body, 2. Circuit board 1, 3. Terminal bracket, 4. Terminal assembly, 5. Gun head cover, 6. Gun tail liner, 7. Micro switch, 8. Circuit board 2, 9. Anti-slip cover, 10. Main chamber, 11. Connecting column 1, 12. Fixing screw 1, 13. Limit seat, 14. Fixing screw 2, 15. Screw sealing ring, 16. Positioning groove, 17. Connecting screw hole 1, 18. Boss 1, 19. Boss 2, 20. Sinking groove 1, 21. Sinking groove 2, 22. Step groove 1, 23. Step Groove 2, 24. Limit groove 2, 25. Gun head sealing ring, 26. Mounting hole, 27. Insulation cap, 28. Limit rod, 29. Terminal, 30. Conductive sheet, 31. Docking slot, 32. Limit through hole, 33. Lock chamber, 34. Press hole, 35. Lock hook, 36. Lock rod, 37. Button, 38. Spring 1, 39. Support block, 40. Make way hole, 41. Connecting groove, 42. Card slot 1, 43. Card buckle, 44. Connecting groove 1, 45. Stabilizing column 1, 46. Limit groove 3, 47. Fixed seat, 48. Guide slide, 49. Stable support plate, 50. Limiting groove, 51. Connecting rod, 52. Active groove, 53. Limiting channel, 54. Support seat, 55. Fixed groove, 56. Push rod, 57. Push pin seat, 58. Micro-movement ejector, 59. Spring 2, 60. Micro-movement ejector sealing ring, 61. Micro-movement ejector sealing cover, 62. Connecting groove 2, 63. Center hole, 64. Eccentric hole, 65. Stable column 2, 66. Limiting card seat, 67. Limiting card slot, 68. Limiting slot, 69. Guide inclined groove, 70. Press Top plate, 71. Connecting rod, 72. Rotating drum, 73. Limiting top block, 74. Connecting seat, 75. Limiting baffle, 76. Docking card seat, 77. Docking hole, 78. Card slot 2, 79. Cable entry hole, 80. Circuit board bracket 1, 81. Guide slot 1, 82. Circuit board bracket 2, 83. Guide slot 2, 84. Reinforcing rib, 85. Push pin, 86. Docking slot, 87. Positioning decorative strip, 88. Anti-slip hole, 89. Fixing screw 3, 90. Connecting screw hole 2, 91. Fixing screw 4, 92. Connecting column 2. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless otherwise specified, the relative arrangement of the components, numerical expressions and numerical values ​​described in these embodiments do not limit the scope of the present application. For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to illustrate the relationship between an element or feature shown in the figure and another element or feature. It should be understood that, in addition to the orientation shown in the figure, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be positioned "on" other elements or features. Therefore, the exemplary term "under" can include both upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or located in other orientations), and the spatial relative description used here can be interpreted accordingly. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, process and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, process and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values.It should be noted that similar reference numerals and letters denote similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0023] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0024] Embodiment 1: like Figure 1 , 2 As shown, a national standard charging gun installation structure includes The gun body 1 is a hollow structure, and a circuit board 2 is removably connected inside the gun body 1; a terminal bracket 3, the terminal bracket 3 is removably connected to the gun body 1, the terminal bracket 3 is connected to a terminal assembly 4, and the terminal assembly 4 and the terminal bracket 3 are an integrated structure; a gun head shell 5, the gun head shell 5 is detachably sealed and connected to the terminal bracket 3 and the gun body 1; a locking assembly, the gun body 1 includes a reset assembly 1, the locking assembly is detachably sealed and connected to the gun head shell 5, the reset assembly 1 is connected to the locking assembly, and the locking assembly is connected to the gun head shell 5. The reset component 1 is movably connected to the gun head shell 5; the gun tail liner 6, the gun body 1 includes a reset component 2 and a linkage component, the gun tail liner 6 is detachably connected to the gun body 1, the gun tail liner 6 is detachably connected with a micro switch 7 and a circuit board 2 8, the linkage component is connected to the locking component, the micro switch 7 is movably connected to the linkage component through the locking component, the reset component 2 is movably connected to the micro switch 7, the gun tail liner 6 and the gun body 1 are all sealed and connected; the anti-slip shell 9, the anti-slip shell 9 is sleeved with the gun tail liner 6 and the gun body 1.

[0025] like Figure 2 , 3 As shown in , 4, 5, and 12, the gun body 1 includes a main chamber 10, and the circuit board 2 is detachably connected to the main chamber 10. The main chamber 10 is provided with a connecting column 11, and the terminal bracket 3 is plugged with a fixing screw 12, and the fixing screw 12 is threadedly connected to the connecting column 11. The gun head shell 5 is provided with a limiting seat 13, and the limiting seat 13 is plugged with a fixing screw 2 14. The limiting seat 13 is provided with a limiting groove 1, and the limiting groove 1 is embedded with a screw sealing ring 15, and the screw sealing ring 15 is sleeved with the fixing screw 2 14. The terminal bracket 3 is provided with a positioning groove 16, and the bottom of the positioning groove 16 is provided with a connecting screw hole 17, and the fixing screw 2 14 is threadedly connected to the connecting screw hole 17, and the screw sealing ring 15 is crimped with the notch of the positioning groove 16.

[0026] like Figure 2 , 4As shown in , 5, the terminal bracket 3 is connected with a boss 18, and the boss 18 is connected with a boss 2 19. The structural shapes of the boss 18 and the boss 2 19 are all different shapes. The positioning groove 16 is placed on the surface of the boss 18, and the fixing screw 12 is plugged into the boss 2 19. The gun head shell 5 is provided with a sinking groove 20, and the sinking groove 120 is provided with a sinking groove 21. The sinking groove 21 is clamped with the boss 18, and the sinking groove 120 is clamped with the boss 2 19. The end surface of the gun body 1 is provided with a step groove 12, and the gun head shell 5 is provided with a step groove 23. The step groove 122 is adapted to the step groove 23, and the step groove 23 is provided with a limiting groove 24. The limiting groove 24 is embedded with a gun head sealing ring 25, and the gun head sealing ring 25 is crimped with the step groove 12.

[0027] like Figure 3 , 4 As shown in Figure 5, the terminal bracket 3 is provided with a mounting hole 26, the terminal bracket 3 includes an insulating cap 27 and a limiting rod 28, the terminal assembly 4 includes a terminal 29 and a conductive sheet 30, the gun head housing 5 is provided with a docking slot 31, the terminal 29 is plugged into the docking slot 31, the insulating cap 27 is arranged in the terminal 29, the terminal 29 is provided with a limiting through hole 32, one end of the terminal 29 is connected to one end of the conductive sheet 30, the other end of the conductive sheet 30 is connected to the circuit board 2, one end of the limiting rod 28 is connected to one end of the insulating cap 27, the other end of the limiting rod 28 passes through the limiting through hole 32 and is connected to the hole wall of the mounting hole 26, the limiting rod 28 and the terminal bracket 3 are an integrated structure, the other end of the insulating cap 27 is abutted against the other end port of the terminal 29, and the insulating cap 27 and the limiting rod 28 are integrally injection molded on the terminal 29.

[0028] like Figure 6 , 8As shown in Figures 9, 12 and 13, the gun body 1 is provided with a lock chamber 33 and a pressing hole 34, the lock chamber 33 is connected to the pressing hole 34, the locking assembly includes a lock hook 35, a lock rod 36 and a button 37, the button 37 is plugged into the pressing hole 34, the reset assembly includes a spring 38 and a support block 39, the lock rod 36 is placed in the lock chamber 33, one end of the lock rod 36 is connected to the lock hook 35, the lock hook 35 and the lock rod 36 are an integrated structure, the gun head housing 5 is provided with a clearance hole 40, the lock hook 35 is plugged into the clearance hole 40, the other end of the lock rod 36 is provided with a connecting groove 41, and the groove wall of the connecting groove 41 is provided with a groove wall. There is a card slot 42, the button 37 is connected to a buckle 43, the buckle 43 is plugged into the connecting slot 41, the buckle 43 is buckled with the card slot 42, the end surface of the lock rod 36 close to the lock hook 35 is provided with a connecting groove 44, the connecting groove 44 is connected to a stabilizing column 45, one end of the spring 38 is connected to the connecting groove 44, the spring 38 is sleeved with the stabilizing column 45, the lock chamber 33 is provided with a limiting groove 3 46, the other end of the spring 38 is against the limiting groove 3 46, the support block 39 and the other end surface of the lock hook 35 are connected to the support block 39, and the support block 39 and the spring 38 are arranged opposite to each other.

[0029] like Figure 2 , 6 As shown in 12, the locking chamber 33 is connected to a fixing seat 47, the fixing seat 47 is provided with a guide groove 48, and stabilizing support plates 49 are provided on both sides of the giving hole 40. One end of the stabilizing support plate 49 is connected to the gun head shell 5, and the other end of the stabilizing support plate 49 is provided with a limiting groove 50. The locking assembly includes a connecting rod 51, one end of the connecting rod 51 is connected to the locking rod 36, and the other end of the connecting rod 51 is plugged into the guide groove 48, the stabilizing support plate 49 is plugged into the locking chamber 33, and the connecting rod 51 is clamped into the limiting groove 50.

[0030] like Figure 6-11As shown, the gun body 1 is provided with an active groove 52 and a limiting channel 53, the active groove 52 is connected to the lock chamber 33 through the limiting channel 53, the inner wall of the gun tail liner 6 is connected with a support seat 54, the support seat 54 is provided with a fixed groove 55, the micro switch 7 is plugged into the fixed groove 55, the linkage component includes a push rod 56, a push pin 85, a push pin seat 57 and a micro ejector pin 58, the reset component 2 includes a spring 2 59, a micro ejector pin sealing ring 60 and a micro ejector pin sealing cover 61, the gun tail liner 6 is provided with a connecting groove 2 62, the push pin 85 is plugged into the limiting channel 53, the micro ejector pin sealing cover 61 is detachably connected to the active groove 52, one end of the push rod 56 is detachably connected to the lock rod 36, and the push rod The other end of 56 is against one end of the push pin 85, the other end of the push pin 85 is connected to the push pin seat 57, the other end of the push pin seat 57 is connected to one end of the micro-motion ejector seal ring 60, the other end of the micro-motion ejector seal cover 61 is connected to the micro-motion ejector seal cover 61, the micro-motion ejector seal cover 61 is provided with a center hole 63 and an eccentric hole 64, the push pin seat 57 is connected with a stabilizing column 2 65, one end of a spring 2 59 is connected to the push pin seat 57, the other end of the spring 2 59 passes through the center hole 63 and is connected to the connecting groove 2 62, the spring 2 59 is sleeved with the stabilizing column 2 65, one end of the micro-motion ejector 58 is connected to the push pin seat 57, and the micro-motion ejector 58 passes through the eccentric hole 64 and is connected to the micro switch 7.

[0031] like Figure 6 , 10 As shown in Figure 11, the locking rod 36 is provided with a limit card seat 66, the limit card seat 66 is provided with a limit card slot 67, one side of the limit card slot 67 is provided with a limit slot 68, the other side of the limit card slot 67 is provided with a guide inclined groove 69, the button 37 is connected with a pressing top plate 70, the pressing top plate 70 is plugged into the limit slot 68, the push rod 56 includes a connecting rod 71 and a rotating cylinder 72, the ends of the connecting rod 71 are connected to the rotating cylinder 72, one end of the rotating rod 72 is engaged with the limit card slot 67, the other end of the connecting rod 71 is against the push pin 56, and the connecting rod 71 is engaged with the guiding inclined groove 69.

[0032] like Figure 2 , 14 As shown in 15, the gun tail liner 6 is a Havers structure and is bolted, the support seat 54 is placed in one half of the gun tail liner 6, and the other half of the gun tail liner 6 is connected to the limited top block 73, the limited top block 73 is against the micro switch 7, the end face of the gun body 1 is connected with a connecting seat 74, the connecting seat 74 is provided with a wire hole, the wire hole is connected to the main chamber 10, the connecting seat 74 is connected to the limited stop bar 75, the inner wall of one end of the gun tail liner 6 is connected with a docking seat 76, the docking seat 76 is provided with a docking hole 77, the docking hole 77 is connected to the wire hole, the structural shape of the connecting seat 74 is a special shape, the connecting seat 74 is clamped with the docking hole 77, the hole wall of the docking hole 77 is provided with a second clamping groove 78, the limit stop bar 75 is embedded with the second clamping groove 78, and the other end of the gun tail liner 6 is provided with a cable entry hole 79.

[0033] like Fig.14 , 15 As shown, the inner wall of the gun body 1 is connected to a circuit board bracket 80, the circuit board bracket 80 is connected to a guide slot 81, the circuit board 2 is plugged into the guide slot 81, the inner wall of the gun tail liner 6 is connected to a circuit board bracket 82, the circuit board bracket 82 is connected to a guide slot 83, the circuit board 8 is plugged into the guide slot 83, and the inner wall of the gun tail liner 6 is connected to a plurality of reinforcing ribs 84.

[0034] like Figure 1-15 As shown: the anti-skid cover 9 is made of rubber material, and is injection molded into an integral cover to encapsulate the gun tail liner 6 to improve the integrity and structural strength. The tail end of the anti-skid cover 9 has a protruding structure to improve the anti-skid property during use. The surface of the gun body 1 is provided with a docking groove 86, and the gun tail liner 6 is connected with a positioning decorative strip 87. The anti-skid cover 9 is provided with an anti-skid hole 88 that is compatible with the positioning decorative strip 87, so that when the anti-skid cover 9 is sleeved with the gun tail liner 6, the end is embedded in the docking groove 86 and stably connected to the gun tail liner 6, so that the entire charging gun streamlines smoothly and beautifully, and improves the comfort of hand feel. At the same time, the connection between the gun body 1 and the gun tail liner 6 and the connection between the gun tail liner 6 itself are covered and shielded, and the connection is further improved to improve the sealing and provide waterproof and dustproof protection.

[0035] The micro-motion ejector sealing cover 61 is plugged with a fixing screw three 89, and the movable groove 52 is provided with a connecting screw hole two 90. The fixing screw three 89 is threadedly connected to the connecting screw hole 90 to fix the micro-motion ejector sealing cover 61, and it is convenient for later disassembly and maintenance; a fixing screw four 91 is plugged into half of the structure in the gun tail inner liner 6, and the other plate is provided with a connecting column two 92. The fixing screw four 91 is threadedly connected to the connecting column two 92, so that the two halves of the gun tail inner liner 6 are connected and fixed as a whole, and it is convenient for later disassembly and maintenance.

[0036] During assembly: Connect the terminal assembly 4 to the terminal bracket 3, wherein the terminal 29, the insulating cap 27 and the terminal bracket 3 are injection molded as a whole, and then connect one end of the conductive sheet 30 to the terminal 29 and the other end to the circuit board 2 (cast welding connection). Insert the circuit board 2 into the guide slot 81 of the circuit board bracket 80 until the terminal bracket 3 is connected to the cavity opening of the main chamber 10. At this time, the connecting column 11 is connected to the fixing screw 12 through a threaded connection, fixing the terminal bracket 3 and the terminal assembly 4 at one end of the gun body 1.

[0037] Insert the locking rod 36 with spring 1 38 into the locking chamber 33. At this time, the connecting rod 51 is inserted to the bottom of the groove along the guide groove 48 of the fixing seat 47. At this time, the elastic 1 38 is pressed down and abutted against the limiting groove 3 46, and the support block 39 abuts against the inner bottom of the locking chamber 33.

[0038] Insert the gun head sealing ring 25 into the limiting groove 24, insert the screw sealing ring 15 into the limiting groove 1, insert the gun head shell 5 along the docking slot 31 and the terminal 29, insert the stabilizing support plate 49 and the locking chamber 33, and finally the stabilizing support plate 49 locks the connecting rod 51 (locking rod 36) against the connecting rod 51 through the limiting groove 50, the locking hook 35 extends from the giving hole 40, the sunken groove 1 20 and the boss 2 19 are embedded in each other, the sunken groove 21 and the boss 1 18 are embedded in each other, the step groove 1 22 and the step groove 23 are engaged with each other and press the gun head sealing ring 25, and the gun head shell 5 can be fixed to the gun body 1 by fixing the screw 2 14 and the connecting piece screw hole 17.

[0039] Insert the rotating cylinder 72 at one end of the push rod 56 into the limiting slot 67 and the rotating rod 71 into the guiding inclined slot 68, so that the push rod 56 is placed obliquely on the limiting seat 66, and the button 37 is pressed into the pressing hole 34 along the buckle 43 and the connecting groove 44 until the buckle 43 is engaged with the slot 42, and the pressing top plate 70 is pressed against the limiting slot 68, thus completing the positioning and installation of the button 37 and the gun body 1.

[0040] Pre-connect one side of the fine-motion ejector seal ring 60 with one side of the push pin seat 57, connect the push pin 85 with the upper side of the other side of the push pin seat 75, connect the fine-motion ejector 58 with the lower side of the other side of the push pin seat 75, connect the other side of the fine-motion ejector seal ring 60 with the fine-motion ejector seal cover 61, connect the spring 2 59 with the fine-motion ejector seal ring 60 through the center hole 63 and place the stabilizing column 2 65 in the center, insert the push pin 8 into the limiting channel 53, place the reset component 2 in the movable groove 52, thread the fixing screw 3 89 with the connecting screw hole 90, and fix the fine-motion ejector seal cover 61 on the gun body 1.

[0041] Insert the circuit board 2 8 into the guide slot 2 of the circuit board bracket 2 82 and fix it. Close the two halves of the gun tail liner 6 through the Harvard structure connection. During this period, the limit stop bar 75 is inserted into the card slot 2 78, and the docking hole 77 surrounds the connecting seat 74. The end face of the micro-motion ejector sealing cover 61 and the gun body 1 are in close contact with the end face of the gun tail liner 6. The fixing screw 4 91 and the connecting column 2 92 are threadedly connected to fix the two halves of the gun tail liner 6. Finally, put on the anti-slip shell 9 until the anti-slip shell 9 is embedded in the docking groove 86 and the positioning decorative strip 87 enters the anti-slip hole 88. The overall assembly of the charging gun is completed to realize the structural installation (the power cable passes through the gun body 1 and the circuit board 1 2 before the circuit board 2 is installed, and is placed in the cable entry hole 79 and extends out before the gun tail liner 6 is enclosed (not shown in the figure)).

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A national standard charging gun installation structure, characterized in that: include A gun body (1), the gun body (1) being a hollow structure, and a circuit board 1 (2) being detachably connected inside the gun body (1); A terminal bracket (3), the terminal bracket (3) being detachably connected to the gun body (1), the terminal bracket (3) being connected to a terminal assembly (4), the terminal assembly (4) and the terminal bracket (3) being an integrated structure; A gun head cover (5), wherein the gun head cover (5) is detachably sealed and connected to the terminal bracket (3) and the gun body (1); A locking assembly, wherein the gun body (1) comprises a reset assembly 1, the locking assembly is detachably sealedly connected to the gun head housing (5), the reset assembly 1 is connected to the locking assembly, and the locking assembly is movably connected to the gun head housing (5) via the reset assembly 1; The gun tail liner (6), the gun body main body (1) comprises a second reset component and a linkage component, the gun tail liner (6) is detachably connected to the gun body main body (1), the gun tail liner (6) is detachably connected with a micro switch (7) and a second circuit board (8), the linkage component is connected to the locking component, the micro switch (7) is movably connected to the linkage component via the locking component, the second reset component is movably connected to the micro switch (7), and the gun tail liner (6) and the gun body main body (1) are all sealedly connected to the second reset component; An anti-slip cover (9), wherein the anti-slip cover (9) is sleeved with the gun tail liner (6) and the gun body (1).

2. According to the national standard charging gun installation structure of claim 1, it is characterized in that: The gun body (1) comprises a main chamber (10), the circuit board (2) is detachably connected to the main chamber (10), the main chamber (10) is provided with a connecting column (11), the terminal bracket (3) is plugged with a fixing screw (12), the fixing screw (12) is threadedly connected to the connecting column (11), the gun head housing (5) is provided with a limiting seat (13), the limiting seat (13) is plugged with a fixing screw (14), the limiting seat (13) is provided with a limiting groove (1), the limiting groove (1) is embedded with a screw sealing ring (15), the screw sealing ring (15) is sleeved with the fixing screw (14), the terminal bracket (3) is provided with a positioning groove (16), the bottom of the positioning groove (16) is provided with a connecting screw hole (17), the fixing screw (14) is threadedly connected to the connecting screw hole (17), and the screw sealing ring (15) is crimped with the notch of the positioning groove (16).

3. According to the national standard charging gun installation structure of claim 2, it is characterized in that: The terminal bracket (3) is connected to a boss 1 (18), and the boss 1 (18) is connected to a boss 2 (19). The structural shapes of the boss 1 (18) and the boss 2 (19) are both irregular shapes. The positioning groove (16) is disposed on the surface of the boss 1 (18). The fixing screw 1 (12) is plugged into the boss 2 (19). The gun head housing (5) is provided with a sinking groove 1 (20), and the sinking groove 1 (20) is provided with a sinking groove 2 (21). The sinking groove 2 (21) is connected to the boss 1 (18). The gun body (1) is provided with a first step groove (22), the gun head cover (5) is provided with a second step groove (23), the first step groove (22) is matched with the second step groove (23), the second step groove (23) is provided with a second limiting groove (24), the second limiting groove (24) is embedded with a gun head sealing ring (25), and the gun head sealing ring (25) is crimped with the first step groove (22).

4. According to the national standard charging gun installation structure of claim 3, it is characterized in that: The terminal support (3) is provided with a mounting hole (26), the terminal support (3) includes an insulating cap (27) and a limiting rod (28), the terminal assembly (4) includes a terminal (29) and a conductive sheet (30), the gun head housing (5) is provided with a docking slot (31), the terminal (29) is plugged into the docking slot (31), the insulating cap (27) is placed in the terminal (29), the terminal (29) is provided with a limiting through hole (32), one end of the terminal (29) is connected to one end of the conductive sheet (30), The other end of the conductive sheet (30) is connected to the circuit board (2), one end of the limit rod (28) is connected to one end of the insulating cap (27), the other end of the limit rod (28) passes through the limit through hole (32) and is connected to the hole wall of the mounting hole (26), the limit rod (28) and the terminal bracket (3) are an integrated structure, the other end of the insulating cap (27) is against the other end of the terminal (29), and the insulating cap (27) and the limit rod (28) are integrally injection-molded on the terminal (29).

5. A national standard charging gun installation structure according to claim 1 or 4, characterized in that: The gun body (1) is provided with a lock chamber (33) and a pressing hole (34), the lock chamber (33) is communicated with the pressing hole (34), the locking assembly comprises a lock hook (35), a lock rod (36) and a button (37), the button (37) is plugged into the pressing hole (34), the reset assembly comprises a spring (38) and a support block (39), the lock rod (36) is placed in the lock chamber (33), one end of the lock rod (36) is connected to the lock hook (35), the lock hook (35) and the lock rod (36) are an integrated structure, the gun head housing (5) is provided with a clearance hole (40), the lock hook (35) is plugged into the clearance hole (40), the other end of the lock rod (36) is provided with a connecting groove (41), the groove wall of the connecting groove (41) is provided with a card groove (1) (42), the button (37) is connected with a buckle (43), the buckle (43) is plugged into the connecting groove (41), the buckle (43) is buckled with the first buckle groove (42), the end surface of the locking rod (36) close to the locking hook (35) is provided with a connecting groove (44), the connecting groove (44) is connected with a stabilizing column (45), one end of the spring (38) is connected with the connecting groove (44), the spring (38) is sleeved with the stabilizing column (45), the locking chamber (33) is provided with a limiting groove (46), the other end of the spring (38) is against the limiting groove (46), the other end surface of the support block (39) and the locking hook (35) is connected to the support block (39), the support block (39) and the spring (38) are arranged opposite to each other.

6. The national standard charging gun installation structure according to claim 5 is characterized in that: The locking chamber (33) is connected to a fixing seat (47), and the fixing seat (47) is provided with a guide slot (48). Both sides of the clearance hole (40) are provided with stabilizing support plates (49), one end of the stabilizing support plate (49) is connected to the gun head shell (5), and the other end of the stabilizing support plate (49) is provided with a limiting slot (50). The locking assembly includes a connecting rod (51), one end of the connecting rod (51) is connected to the locking rod (36), and the other end of the connecting rod (51) is plugged into the guide slot (48), the stabilizing support plate (49) is plugged into the locking chamber (33), and the connecting rod (51) is clamped into the limiting slot (50).

7. The national standard charging gun installation structure according to claim 6 is characterized in that: The gun body (1) is provided with a movable groove (52) and a limiting channel (53), the movable groove (52) is connected to the lock chamber (33) through the limiting channel (53), the inner wall of the gun tail liner (6) is connected with a support seat (54), the support seat (54) is provided with a fixing groove (55), the micro switch (7) is plugged into the fixing groove (55), the linkage component comprises a push rod (56), a push pin (85), a push pin seat (57) and a micro ejector pin (58), the reset component 2 comprises a spring 2 (59), a micro ejector pin sealing ring (60) and a micro ejector pin sealing cover (61), the gun tail liner (6) is provided with a connecting groove 2 (62), the push pin (85) is plugged into the limiting channel (53), the micro ejector pin sealing cover (61) is detachably connected to the movable groove (52), one end of the push rod (56) is detachably connected to the lock rod (36), the The other end of the push rod (56) abuts against one end of the push pin (85), the other end of the push pin (85) is connected to the push pin seat (57), the other end of the push pin seat (57) is connected to one end of the micro-movement ejector pin sealing ring (60), the other end of the micro-movement ejector pin sealing cover (61) is connected to the micro-movement ejector pin sealing cover (61), the micro-movement ejector pin sealing cover (61) is provided with a center hole (63) and an eccentric hole (64), the push pin seat (5 7) is connected to a second stabilizing column (65), one end of the second spring (59) is connected to the push pin seat (57), the other end of the second spring (59) passes through the center hole (63) and is connected to the second connecting groove (62), the second spring (59) is sleeved with the second stabilizing column (65), one end of the micro-movement ejector pin (58) is connected to the push pin seat (57), and the micro-movement ejector pin (58) passes through the eccentric hole (64) and is connected to the micro switch (7).

8. The national standard charging gun installation structure according to claim 5 is characterized in that: The lock rod (36) is provided with a limit card seat (66), the limit card seat (66) is provided with a limit card slot (67), one side of the limit card slot (67) is provided with a limit slot (68), the other side of the limit card slot (67) is provided with a guide inclined slot (69), the button (37) is connected with a pressing top plate (70), the pressing top plate (70) is plugged into the limit slot (68), the push rod (56) comprises a connecting rod (71) and a rotating cylinder (72), the ends of the connecting rod (71) are connected to the rotating cylinder (72), one end of the rotating rod (72) is engaged with the limit card slot (67), the other end of the connecting rod (71) is against the push pin (56), and the connecting rod (71) is engaged with the guide inclined slot (69).

9. A national standard charging gun installation structure according to claim 1 or 8, characterized in that: The gun tail liner (6) is a Haversian structure and is bolted, the support seat (54) is placed in one half of the gun tail liner (6), and the other half of the gun tail liner (6) is connected to a limit top block (73), the limit top block (73) is against the micro switch (7), the end surface of the gun body (1) is connected to a connecting seat (74), the connecting seat (74) is provided with a wire hole, the wire hole is connected to the main chamber (10), the connecting seat (74) is connected to a limit stop bar (75), the The inner wall of one end of the gun tail liner (6) is connected with a docking seat (76), the docking seat (76) is provided with a docking hole (77), the docking hole (77) is connected with the wire hole, the structural shape of the connecting seat (74) is a special shape, the connecting seat (74) is engaged with the docking hole (77), the hole wall of the docking hole (77) is provided with a second card groove (78), the limit stop bar (75) is engaged with the second card groove (78), and the other end of the gun tail liner (6) is provided with a cable entry hole (79).

10. A national standard charging gun installation structure according to claim 9, characterized in that: The inner wall of the gun body (1) is connected to a circuit board bracket (80), the circuit board bracket (80) is connected to a guide slot (81), the circuit board (2) is plugged into the guide slot (81), the inner wall of the gun tail inner shell (6) is connected to a circuit board bracket (82), the circuit board bracket (82) is connected to a guide slot (83), the circuit board (8) is plugged into the guide slot (83), and the inner wall of the gun tail inner shell (6) is connected to a plurality of reinforcing ribs (84).

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