Plug-in switch for new energy automobile charging gun and charging gun

Abstract

The utility model relates to the technical field of charging guns, and discloses a plug-in switch for a new energy automobile charging gun and the charging gun, and the plug-in switch comprises a switch housing, an S3 switch disposed in the switch housing, a waterproof ring disposed at the periphery of the switch housing and protruding outwards, and switch buckle positions disposed at the left and right sides of the top of the switch housing. The switch shell is of a closed structure, a key part of the S3 switch penetrates through the upper surface of the switch shell and extends upwards, and a plugging part of the S3 switch penetrates through the lower surface of the switch shell and then extends downwards. The plug-in switch is installed in the charging gun. According to the plug-in switch for the new energy automobile charging gun and the charging gun, the S3 switch, the waterproof ring and the switch fixing part are designed in a three-in-one mode, and the problems that assembling is difficult, time and labor are consumed, and disassembling is difficult in the production process are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of charging guns, and in particular to a plug-in switch for a charging gun of a new energy vehicle and a charging gun. Background Art

[0002] New energy vehicles need to be charged when in use, and the charging gun is a special device for charging new energy vehicles.

[0003] A mechanical lock (S3 switch) needs to be installed on the national standard charging gun for new energy vehicles. Since the charging gun is mostly placed directly in the external environment during use, it is easy for water to enter the charging gun, causing damage to the charging gun. Therefore, the S3 switch also needs to be waterproofed, which makes the internal structure of the charging gun more complicated, and it is easy to encounter problems such as assembly difficulty, time-consuming and labor-intensive, and disassembly difficulty during its production and maintenance process. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problem and provide a plug-in switch which combines an S3 switch, a waterproof ring and a switch fixing component into one and a charging gun using the plug-in switch, thereby realizing easy assembly and disassembly of the charging gun and improving production efficiency.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a plug-in switch for a new energy vehicle charging gun, comprising a switch housing, an S3 switch installed inside the switch housing, a waterproof ring arranged on the periphery of the switch housing and protruding outward, and switch buckles arranged on the left and right sides of the top of the switch housing. The switch housing is a closed structure, and the button part of the S3 switch extends upward through the upper surface of the switch housing, and the plug-in part extends downward after passing through the lower surface of the switch housing.

[0006] As an improvement, a groove is provided on the periphery of the switch housing, and the waterproof ring is arranged in the groove.

[0007] As an improvement, the waterproof ring is made of soft rubber material.

[0008] As an improvement, a plurality of convex rings are provided on the periphery of the waterproof ring.

[0009] Another technical solution provided by the utility model is: a charging gun, including a plug housing, a terminal assembly, a terminal fixing part, a PCBA mainboard, a connecting line, a mainboard connector, a shell, a hook and a cable, the plug housing is equipped with the above-mentioned plug-in switch, and the plug-in part of the S3 switch on the plug-in switch is connected to the PCBA mainboard, and the button part of the S3 switch abuts against the lower surface of the hook.

[0010] As an improvement, a switch slot is provided on the plug housing, and the plug-in switch is installed in the switch slot. When the plug-in switch is installed in the switch slot, the waterproof ring and the inner wall of the switch slot are in interference fit.

[0011] As an improvement, plug buckles are provided at both ends of the plug housing, and the positions of the plug buckles correspond to the positions of the switch buckles. When the plug-in switch is installed, the switch buckles are snapped into the plug buckles.

[0012] As an improvement, the plug buckle position is a through hole.

[0013] As an improvement, a pin mounting hole is provided on the plug housing, a spring pin is installed on the pin mounting hole, the hook is installed on the spring pin and has rotational freedom, a hook spring is installed on the spring pin, one free end of the hook spring is fixed on the plug housing, and the other free end is fixed on the hook.

[0014] Combined with the above technical solutions, compared with the prior art, the beneficial effects of the utility model are:

[0015] The plug-in switch provided by the utility model integrates the S3 switch, the waterproof ring and the switch fixing component into a three-in-one design, has a simple structure, is more durable and stable, and is easy to disassemble and assemble during use.

[0016] The charging gun provided by the utility model adopts a plug-in switch with a three-in-one design of an S3 switch, a waterproof ring and a switch fixing component, thereby achieving simple assembly and disassembly and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the plug-in switch described in the utility model.

[0018] Figure 2 It is a structural schematic diagram of the charging gun described in the utility model.

[0019] Figure 3 It is a cross-sectional view of the charging gun described in the utility model.

[0020] Figure 4 It is an exploded view of the internal structure of the charging gun described in the utility model.

[0021] Figure 5 This is a schematic diagram of the structure of the plug housing of the utility model;

[0022] Among them: 1- plug-in switch, 101- switch housing, 102- switch buckle, 103- waterproof ring, 104- S3 switch, 2- plug housing, 201- plug buckle, 202- switch slot, 203- pin mounting hole, 3- terminal fixing, 4- spring pin, 5- hook spring, 6- PCBA motherboard, 7- terminal assembly, 8- connecting wire, 9- motherboard connector, 10- hook, 11- housing, 12- cable. DETAILED DESCRIPTION

[0023] In order to explain the technical features and the achieved purposes and effects of the present invention in detail, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] Please see attached Figure 1 A plug-in switch for a new energy vehicle charging gun includes a switch housing 101, an S3 switch 104 installed inside the switch housing 101, a waterproof ring 103 arranged on the outer periphery of the switch housing 101 and protruding outward, and switch buckle positions 102 arranged on the left and right sides of the top of the switch housing 101. The switch housing 101 is a closed structure. The button part of the S3 switch 104 extends upward through the upper surface of the switch housing 101, and the plug-in part extends downward after passing through the lower surface of the switch housing 101.

[0025] In the above embodiment, the S3 switch 104, the waterproof ring 103 and the switch buckle 102 are integrated inside and outside the switch housing 101 to form a whole, realizing a three-in-one design of the S3 switch, the waterproof ring and the switch fixing component. The integrated structure makes the overall structure simpler and convenient for installation and use. At the same time, the simple structure also makes it have better durability and stability.

[0026] Preferably, a groove (not shown in the figure) is provided on the periphery of the switch housing 101, and the waterproof ring 103 is arranged in the groove.

[0027] In the above embodiment, the groove provides installation space for the waterproof ring 103 and also limits the waterproof ring 103, making the installation and limitation of the waterproof ring 103 simpler and faster. Exemplarily, the waterproof ring 103 can also become a part of the switch housing 101 through integrated molding, further reducing the installation steps.

[0028] Preferably, the waterproof ring 103 is made of soft rubber material.

[0029] In the above embodiment, the waterproof ring 103 is made of soft rubber material to increase the elasticity of the waterproof ring 103 and further improve the sealing and waterproof effect. Exemplarily, the soft rubber material is silicone or PVC soft rubber.

[0030] Preferably, a plurality of convex rings are provided on the periphery of the waterproof ring 103 .

[0031] In the above embodiment, the convex ring can make the waterproof ring 103 better squeeze and deform with the matching surface, thereby improving the waterproof effect.

[0032] Please see attached Figure 2-5 A charging gun includes a plug housing 2, a terminal assembly 7, a terminal fixing part 3, a PCBA mainboard 6, a connecting line 8, a mainboard connector 9, a shell 11, a hook 10 and a cable 12. The plug housing 2 is provided with a plug-in switch 1 provided by the utility model, and the plug-in part of the S3 switch 104 on the plug-in switch 1 is connected to the PCBA mainboard 6, and the button part of the S3 switch 104 abuts against the lower surface of the hook 10.

[0033] In the above embodiment, the charging gun adopts a plug-in switch 1 that integrates the S3 switch, the waterproof ring, and the switch fixing component into a three-in-one design, which can realize easy assembly and disassembly, thereby improving production efficiency.

[0034] Preferably, a switch slot 202 is provided on the plug housing 2, and the plug-in switch 1 is installed in the switch slot 202. When the plug-in switch 1 is installed in the switch slot 202, the waterproof ring 103 and the inner wall of the switch slot 202 are in interference fit.

[0035] In the above embodiment, the plug-in switch 1 can be fixed by the interference fit between the waterproof ring 103 and the inner wall of the switch slot 202 , and the waterproof ring 103 can be squeezed to deform to achieve a sealing and waterproof effect.

[0036] Preferably, plug buckles 201 are provided at both ends of the plug housing 2 , and the positions of the plug buckles 201 correspond to the positions of the switch buckles 102 . When the plug-in switch 1 is installed, the switch buckles 102 are inserted into the plug buckles 201 .

[0037] In the above embodiment, the switch buckle position 102 and the plug buckle position 201 cooperate to further fix the plug-in switch 1. During installation, no additional fasteners are required, which facilitates production operations.

[0038] Preferably, the plug buckle position 201 is a through hole.

[0039] In the above embodiment, the plug buckle position 201 adopts a through hole structure to reduce the difficulty of processing or forming the plug housing while satisfying the limiting function. Exemplarily, the cross-section of the through hole is waist-shaped or rectangular.

[0040] Preferably, a latch mounting hole 203 is provided on the plug housing 2, a spring latch 4 is installed on the latch mounting hole 203, the hook 10 is installed on the spring latch 4 and has rotational freedom, a hook spring 5 is installed on the spring latch 4, one free end of the hook spring 5 is fixed on the plug housing 2, and the other free end is fixed on the hook 10.

[0041] In the above embodiment, the elastic force of the hook spring 5 can keep the lower surface of the hook 10 in contact with the S3 switch button, so that the S3 switch 104 remains normally closed in the default state.

[0042] The utility model and its implementation methods are described in detail above, and such description is not restrictive. The drawings show only some implementation methods of the utility model, and the actual structure is not limited thereto. Ordinary technicians in this field can be inspired by it and make various modifications, improvements and substitutions without departing from the concept of the utility model, which should all belong to the protection scope of the utility model.

Claims

1. A plug-in switch for a new energy vehicle charging gun, characterized in that: It includes a switch housing, an S3 switch installed inside the switch housing, a waterproof ring arranged on the periphery of the switch housing and protruding outward, and switch buckles arranged on the left and right sides of the top of the switch housing. The switch housing is a closed structure, and the button part of the S3 switch extends upward through the upper surface of the switch housing, and the plug-in part extends downward after passing through the lower surface of the switch housing.

2. A plug-in switch for a new energy vehicle charging gun according to claim 1, characterized in that: A groove is arranged on the periphery of the switch housing, and the waterproof ring is arranged in the groove.

3. The plug-in switch for a new energy vehicle charging gun according to claim 1, characterized in that: The waterproof ring is made of soft rubber material.

4. The plug-in switch for a new energy vehicle charging gun according to claim 1, characterized in that: A plurality of convex rings are arranged on the periphery of the waterproof ring.

5. A charging gun, comprising a plug housing, a terminal assembly, a terminal fixing, a PCBA mainboard, a connecting wire, a mainboard connector, a housing, a hook and a cable, characterized in that: The plug housing is mounted with the plug-in switch according to any one of claims 1 to 4, the plug-in portion of the S3 switch is connected to the PCBA mainboard, and the button portion of the S3 switch abuts against the lower surface of the hook.

6. A charging gun according to claim 5, characterized in that: The plug housing is provided with a switch slot, and the plug-in switch is installed in the switch slot. When the plug-in switch is installed in the switch slot, the waterproof ring and the inner wall of the switch slot are in interference fit.

7. A charging gun according to claim 5, characterized in that: Plug buckles are provided at both ends of the plug housing, and the positions of the plug buckles correspond to the positions of the switch buckles. When the plug-in switch is installed, the switch buckles are inserted into the plug buckles.

8. A charging gun according to claim 7, characterized in that: The plug buckle position is a through hole.

9. The charging gun according to claim 5, characterized in that: The plug housing is provided with a latch mounting hole, a spring latch is mounted on the latch mounting hole, the hook is mounted on the spring latch and has rotational freedom, a hook spring is mounted on the spring latch, one free end of the hook spring is fixed on the plug housing, and the other free end is fixed on the hook.

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