Charging gun structure with gun head capable of being quickly disassembled and assembled

Abstract

The utility model discloses a charging gun structure with a rapidly detachable gun head. The charging gun structure comprises a gun body, a gun head and a pin assembly. The gun head is arranged at the front end of the gun body, and a plurality of insertion holes with forward openings are formed in the gun head; the pin assembly is arranged in the gun body, and each pin of the pin assembly is located in the corresponding insertion hole; the gun body is provided with a concave cavity with a forward opening, and the pin assembly is arranged in the concave cavity. According to the product, the gun head is detachably arranged at the front end of the gun body through the first screw and seals and covers the opening of the concave cavity, the gun head and the pin assembly are detachably arranged, after the gun head is aged or damaged, the gun head can be replaced only by loosening the first screw, the gun head does not need to be replaced together with the gun body, disassembly and assembly of the gun head can be rapidly completed, and the production efficiency is improved. The operation is very simple and convenient, the maintenance cost of the charging gun is greatly reduced, and convenience is brought to use.

Description

Technical Field

[0001] The utility model relates to the technology of charging gun field, in particular to a charging gun structure with a gun head capable of being quickly disassembled and assembled. Background Art

[0002] New energy vehicles are a new type of vehicle that does not rely on fossil fuels but only uses electricity as a power source, and integrates vehicle power control and drive to form advanced technology, new structure, and new technical principles. The invention and production of new energy vehicles can solve the problems of exhaust emissions from fuel vehicles polluting the environment and high energy consumption, and the charging gun is a device used to charge the power source of new energy vehicles.

[0003] The main structure of the current charging gun includes a gun body, a gun head and a pin assembly; the gun head is arranged at the front end of the gun body, and has a plurality of plug holes opening forward; the pin assembly is arranged in the gun body, and each pin of the pin assembly is respectively located in the corresponding plug hole, and each pin is plug-connected with the pin on the new energy vehicle to achieve conduction.

[0004] However, in the prior art, the gun head and the gun body are generally an integrally formed fixed connection structure, and the gun head and the gun body cannot be disassembled and separated. Because the gun head is connected to the charging port of the new energy vehicle during use, the working environment temperature is extremely high, which causes the gun head to be easily aged and damaged, and the replacement cycle is short. In the prior art, if the gun head needs to be replaced, the gun body needs to be replaced at the same time, which is very troublesome to disassemble and assemble, and the replacement cost is high. Therefore, it is necessary to improve the current charging gun. Utility Model Content

[0005] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a charging gun structure with a gun head that can be quickly disassembled and assembled, which can effectively solve the problems of the existing charging guns that are difficult to disassemble and assemble and the high cost of replacing the gun head.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A charging gun structure with a gun head that can be quickly disassembled and assembled, comprising a gun body, a gun head and a pin assembly; the gun head is arranged at the front end of the gun body, and has a plurality of plug holes with openings facing forward; the pin assembly is arranged in the gun body, and each pin of the pin assembly is respectively located in a corresponding plug hole; the gun body has a concave cavity with an opening facing forward, and the pin assembly is arranged in the concave cavity, the gun head is detachably arranged at the front end of the gun body by a first screw and seals and covers the opening of the concave cavity, and the gun head and the pin assembly are detachably arranged from each other.

[0008] As a preferred embodiment, the periphery of the gun head is provided with a plurality of first through holes, and correspondingly, the periphery of the front end surface of the gun body is provided with a plurality of first screw holes. There are a plurality of first screws, and the plurality of first screws respectively pass through the corresponding first through holes and are screwed and fixed with the corresponding first screw holes.

[0009] As a preferred solution, the number of the first through holes is four, which are symmetrically distributed on the left and right sides of the gun head. Correspondingly, the number of the first screw holes and the number of the first screws are four.

[0010] As a preferred solution, a first sealing ring is sandwiched between the gun head and the gun body to seal the assembly gap between the gun head and the gun body to achieve a better waterproof effect.

[0011] As a preferred solution, the pin assembly includes a supporting sealing fixing assembly, a first fixing member, a second fixing member, a DC pin, a grounding pin and a signal pin. The first fixing member is fixed to the front end of the supporting sealing fixing assembly and is fixedly connected to the gun body, the second fixing member is fixedly connected to the first fixing member, the DC pin is fixed on the first fixing member, and the grounding pin and the signal pin are both fixed on the second fixing member.

[0012] As a preferred solution, the first fixing member and the supporting seal fixing assembly are fixed to the gun body by a second screw, and the second fixing member is fixed to the first fixing member by a third screw.

[0013] As a preferred solution, a second through hole is provided on the periphery of the supporting sealing fixing assembly, a third through hole is provided on the first fixing piece, a second screw hole is provided inside the concave cavity, and the second screw passes through the third through hole and the second through hole in sequence and is screwed and fixed with the second screw hole; a third screw hole is provided on the first fixing piece, a fourth through hole is provided on the second fixing piece, and the third screw passes through the fourth through hole and is screwed and fixed with the third screw hole.

[0014] As a preferred solution, a second sealing ring is sandwiched between the first fixing member and the supporting sealing fixing assembly to facilitate sealing installation.

[0015] As a preferred solution, a third sealing ring is sandwiched between the first fixing member and the gun head, and the third sealing ring is located at the periphery of the DC pin. A fourth sealing ring is sandwiched between the second fixing member and the gun head, and the fourth sealing ring is located at the periphery of the grounding pin and the signal pin to prevent liquid from entering the interior of the product from each plug hole to achieve a waterproof effect.

[0016] As a preferred solution, a limiting boss is convexly provided on the inner wall of the concave cavity, and the rear end of the second fixing member abuts against the limiting boss for a stable installation.

[0017] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0018] In this product, the gun head is detachably arranged at the front end of the gun body by a first screw and seals the opening of the concave cavity, and the gun head and the pin assembly are detachably arranged from each other. After the gun head is aged or damaged, the gun head can be replaced by loosening the first screw, and there is no need to replace it together with the gun body. The gun head can be quickly disassembled and assembled, the operation is very simple, and the maintenance cost of the charging gun is greatly reduced, bringing convenience to use.

[0019] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of an assembly stereogram of a preferred embodiment of the utility model;

[0021] Figure 2 It is an exploded view of a preferred embodiment of the utility model;

[0022] Figure 3 It is an exploded view from another angle of the preferred embodiment of the utility model;

[0023] Figure 4 It is a partial assembly diagram of a preferred embodiment of the utility model;

[0024] Figure 5 It is a partial assembly diagram of another angle of a preferred embodiment of the utility model;

[0025] Figure 6 It is an enlarged schematic diagram of a gun body in a preferred embodiment of the utility model;

[0026] Figure 7 It is an enlarged schematic diagram of the gun head in the preferred embodiment of the utility model;

[0027] Figure 8 It is an enlarged schematic diagram of another angle of the gun head in the preferred embodiment of the utility model.

[0028] Description of the accompanying drawings:

[0029] 10. Gun body 11. Concave cavity

[0030] 12. First screw hole 13. Second screw hole

[0031] 14. Limiting boss 20. Gun head

[0032] 21. Plug hole 22. First screw

[0033] 23. First through hole 24. First annular groove

[0034] 25. Second annular groove 26. Third annular groove

[0035] 30. Pin assembly 31. Support seal fixing assembly

[0036] 32. First fixing member 33. Second fixing member

[0037] 34. DC pin 35. Ground pin

[0038] 36. Signal pin 37. Second screw

[0039] 38. Third screw 39. Second sealing ring

[0040] 301, second through hole 302, third through hole

[0041] 303, fourth through hole 304, third screw hole

[0042] 41. First sealing ring 42. Third sealing ring

[0043] 43. Fourth sealing ring. DETAILED DESCRIPTION

[0044] Please refer to Figures 1 to 8 As shown, it shows the specific structure of a preferred embodiment of the utility model, including a gun body 10, a gun head 20 and a pin assembly 30.

[0045] The gun body 10 has a concave cavity 11 with an opening facing forward. In the present embodiment, a plurality of first screw holes 12 are provided on the periphery of the front end surface of the gun body 10. There are four first screw holes 12 which are arranged symmetrically on the left and right. Second screw holes 13 are provided inside the concave cavity 11. The second screw holes 13 are arranged in a triangular shape. Furthermore, a limiting boss 14 is provided on the inner wall of the concave cavity 11. There are two limiting bosses 14 which are arranged at intervals on the left and right.

[0046] The gun head 20 is arranged at the front end of the gun body 10, and has a plurality of plug holes 21 with openings facing forward. The gun head 20 is detachably arranged at the front end of the gun body 10 through a first screw 22 and seals the opening of the concave cavity 11. In this embodiment, the periphery of the gun head 20 is provided with a plurality of first through holes 23, and correspondingly, the first screws 22 are multiple, and the multiple first screws 22 respectively pass through the corresponding first through holes 23 and are screwed and fixed with the corresponding first screw holes 12, which has a simple structure and stable installation. In addition, there are four first through holes 23, which are symmetrically distributed on the left and right sides of the gun head 20, and correspondingly, there are four first screws 22, which has a reasonable structural design, and the first screws 22 are self-tapping screws. In addition, the rear end surface of the gun head 20 is concavely provided with a first annular groove 24, a second annular groove 25 and a third annular groove 26. In addition, a first sealing ring 41 is sandwiched between the gun head 20 and the gun body 10 to seal the assembly gap between the gun head 20 and the gun body 10 to achieve a better waterproof effect, and the first sealing ring 41 is arranged in the first annular groove 24 and fixed.

[0047] The pin assembly 30 is arranged in the gun body 10, and each pin of the pin assembly 30 is respectively located in the corresponding plug hole 21. Specifically, the pin assembly 30 is arranged in the concave cavity 11, and the gun head 20 and the pin assembly 30 are arranged detachably from each other. The pin assembly 30 includes a support seal fixing assembly 31, a first fixing member 32, a second fixing member 33, a DC pin 34, a grounding pin 35 and a signal pin 36. The first fixing member 32 is fixed to the front end of the support seal fixing assembly 31 and is fixedly connected to the gun body 10, the second fixing member 33 is fixedly connected to the first fixing member 32, the DC pin 34 is fixed to the first fixing member 32, and the grounding pin 35 and the signal pin 36 are both fixed to the second fixing member 33. In this embodiment, the first fixing member 32 and the support seal fixing assembly 31 are fixed to the gun body 10 by the second screw 37, and the second fixing member 33 is fixed to the first fixing member 32 by the third screw 38, which has a simple structure and is easy to assemble. Specifically, the periphery of the supporting seal fixing assembly 31 is provided with a second through hole 301, the first fixing member 32 is provided with a third through hole 302, the second screw 37 passes through the third through hole 302 and the second through hole 301 in sequence and is screwed and connected with the second screw hole 13, the assembly is simple and stable, and the second screw 37 is a self-tapping screw, and the second screw 37 is three; the first fixing member 32 is provided with a third screw hole 304, the second fixing member 33 is provided with a fourth through hole 303, the third screw 38 passes through the fourth through hole 303 and is screwed and connected with the third screw hole 304, the third screw 38 is a self-tapping screw, and the third screw 38 is two. And the rear end of the second fixing member 33 is against the limiting boss 14, and the installation is stable. In addition, a second sealing ring 39 is sandwiched between the first fixing member 32 and the supporting seal fixing assembly 31 for sealing installation. In addition, a third sealing ring 42 is sandwiched between the first fixing member 32 and the gun head 20, and the third sealing ring 42 is located on the periphery of the DC pin 34. A fourth sealing ring 43 is sandwiched between the second fixing member 33 and the gun head 20, and the fourth sealing ring 43 is located on the periphery of the grounding pin 35 and the signal pin 36 to prevent liquid from entering the interior of the product from each plug hole 21, thereby achieving a waterproof effect. Moreover, the third sealing ring 42 and the fourth sealing ring 43 are respectively fixed in the second annular groove 25 and the third annular groove 26, and are firmly installed.

[0048] The assembly process and use method of this embodiment are described in detail as follows:

[0049] During assembly, first assemble the DC pin 34 to the first fixing member 32, assemble the first fixing member 32, the second sealing ring 39, and the supporting sealing ring fixing assembly 31 together and then install them into the concave cavity 11 of the gun body 10, and pass the second screw 37 through the third through hole 302 and the second through hole 301 in turn and screw them together with the second screw hole 13 to fix them; then, assemble the grounding pin 35 and the signal pin 36 to the second fixing member 33, and pass the third screw 38 through the fourth through hole 303 and screw them together with the third screw hole 304 to fix them; then, fix the first sealing ring 41, the third sealing ring 42 and the fourth sealing ring 43 in the first annular groove 24, the second annular groove 25 and the third annular groove 26 respectively, and finally, assemble the gun head 20 to the gun body 10, and multiple first screws 22 pass through the corresponding first through holes 23 respectively and screw them together with the corresponding first screw holes 12 to fix them, and the gun head 20 is finally installed.

[0050] During use, when the gun head 20 is aged or damaged, it is only necessary to remove the four first screws 22 to remove and replace the aged or damaged gun head 20, replace the first sealing ring 41, the third sealing ring 42 and the fourth sealing ring 43 as well as the sealing rings on each pin (not shown in the figure), and then assemble a new gun head 20 and fix it with the first screws 22. No professional personnel is required to operate and replace it, which saves time and effort, and the disassembly and assembly process is simple, and the replacement cost is low.

[0051] The design focus of the utility model is that the gun head in this product is detachably arranged at the front end of the gun body by a first screw and seals the opening of the concave cavity, and the gun head and the pin assembly are detachably arranged from each other. After the gun head is aged or damaged, the gun head can be replaced by loosening the first screw, and there is no need to replace it together with the gun body. The gun head can be quickly disassembled and assembled, the operation is very simple, and the maintenance cost of the charging gun is greatly reduced, which brings convenience to use.

[0052] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A charging gun structure with a gun head that can be quickly disassembled and assembled, comprising a gun body, a gun head and a pin assembly; the gun head is arranged at the front end of the gun body, and has a plurality of plug holes with openings facing forward; the pin assembly is arranged in the gun body, and each pin of the pin assembly is respectively located in a corresponding plug hole; the characteristics are: The gun body has a concave cavity with an opening facing forward, the pin assembly is arranged in the concave cavity, the gun head is detachably arranged at the front end of the gun body through a first screw and seals the opening of the concave cavity, and the gun head and the pin assembly are detachably arranged from each other.

2. The charging gun structure with a quick detachable gun head according to claim 1, characterized in that: The periphery of the gun head is provided with a plurality of first through holes, and correspondingly, the periphery of the front end surface of the gun body is provided with a plurality of first screw holes. There are a plurality of first screws, and the plurality of first screws respectively pass through the corresponding first through holes and are screwed and fixed with the corresponding first screw holes.

3. The charging gun structure with a quick detachable gun head according to claim 2, characterized in that: There are four first through holes, which are symmetrically distributed on the left and right sides of the gun head. Correspondingly, there are four first screw holes and four first screws.

4. The charging gun structure with a quick detachable gun head according to claim 1, characterized in that: A first sealing ring is sandwiched between the gun head and the gun body.

5. The charging gun structure with a quick detachable gun head according to claim 1, characterized in that: The pin assembly includes a supporting sealing fixing assembly, a first fixing member, a second fixing member, a DC pin, a grounding pin and a signal pin. The first fixing member is fixed to the front end of the supporting sealing fixing assembly and is fixedly connected to the gun body, the second fixing member is fixedly connected to the first fixing member, the DC pin is fixed to the first fixing member, and the grounding pin and the signal pin are both fixed to the second fixing member.

6. The charging gun structure with a quick detachable gun head according to claim 5, characterized in that: The first fixing member and the supporting seal fixing assembly are fixed together with the gun body through a second screw, and the second fixing member is fixed together with the first fixing member through a third screw.

7. The charging gun structure with a quick-detachable gun head according to claim 6, characterized in that: A second through hole is provided on the periphery of the supporting sealing fixing assembly, a third through hole is provided on the first fixing piece, a second screw hole is provided inside the concave cavity, the second screw passes through the third through hole and the second through hole in sequence and is screwed and fixed with the second screw hole; a third screw hole is provided on the first fixing piece, a fourth through hole is provided on the second fixing piece, the third screw passes through the fourth through hole and is screwed and fixed with the third screw hole.

8. The charging gun structure with a quick detachable gun head according to claim 5, characterized in that: A second sealing ring is sandwiched between the first fixing member and the supporting sealing fixing assembly.

9. The charging gun structure with a quick detachable gun head according to claim 5, characterized in that: A third sealing ring is sandwiched between the first fixing member and the gun head, and the third sealing ring is located at the periphery of the DC pin. A fourth sealing ring is sandwiched between the second fixing member and the gun head, and the fourth sealing ring is located at the periphery of the grounding pin and the signal pin.

10. The charging gun structure with a quick detachable gun head according to claim 5, characterized in that: A limiting boss is convexly provided on the inner wall of the concave cavity, and the rear end of the second fixing member abuts against the limiting boss.

Images