Waterproof electric vehicle charging gun

Abstract

The utility model relates to a waterproof electric automobile charging gun which comprises an integrally-formed cylindrical gun shell, the waterproof performance can be achieved, assembly of parts is reduced, the assembly time is shortened, the production and assembly efficiency is improved, a plug is connected to the front end of the gun shell in a clamped mode, and a decorative cover is buckled to the top of the gun shell. A power button is arranged at the bottom of the decorative cover and extends out of the bottom of the through hole of the decorative cover, a microswitch is arranged at the bottom of the power button, the bottom of the microswitch is installed on the top of the gun shell, the microswitch is connected with a power-on circuit in the gun shell, and a spring is arranged between the bottom of one end of the power button and the gun shell. And a cable penetrates out of the rear end of the gun shell. A waterproof ring shell sealing ring is adopted at the rear end of the front end shell of the gun shell body, the waterproof performance is further improved, it is guaranteed that the protection grade of the whole gun body reaches IP67, a contact pin with the small diameter is adopted for the power connection terminal, and due to the fact that the number of parts is small, the overall size is small, the gun is light and convenient to use, and the material cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to a waterproof charging gun for an electric vehicle. Background Art

[0002] With the popularization of new energy vehicles, charging gun technology has been widely used. However, charging guns generally have a complex structure, many parts, and are difficult and time-consuming to produce and assemble, with low production efficiency. In addition, the usage environment of charging guns is relatively diverse. In some places, they are exposed to outdoors, and rain poses a great threat to charging safety. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a waterproof electric vehicle charging gun to solve the problems of difficult assembly and waterproofing.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A waterproof electric vehicle charging gun comprises an integrally formed cylindrical gun housing, a plug is clamped at the front end of the gun housing, a decorative cover is buckled on the top of the gun housing, a power button is arranged at the bottom of the decorative cover, the power button extends from the bottom of the through hole of the decorative cover, a micro switch is arranged at the bottom of the power button, the bottom of the micro switch is mounted on the top of the gun housing, the micro switch is connected to the power circuit inside the gun housing, a spring is arranged between the bottom of one end of the power button and the gun housing, a cable is passed through the rear end of the gun housing, a pin pressure plate is embedded in the rear part of the plug, after each pin is connected to the corresponding wire of the cable, it is clamped at the corresponding position of the pin pressure plate, and the free end of the pin is embedded in the through hole of the plug.

[0006] As a preferred embodiment, a waterproof ring is provided on one end of the plug connected to the gun housing, and one end of the plug with the waterproof ring is inserted and engaged inside the front end of the gun housing and fixedly connected by screws.

[0007] As a preferred implementation, a pin protection cap is provided on the free end of the pin.

[0008] As a preferred embodiment, an O-ring is provided at the connection between the pin and the cable.

[0009] As a preferred embodiment, the rear half of the gun housing is a handle, and when the front half of the gun housing is placed horizontally, the gun housing is bent obliquely downward from the middle to make the rear half tilt downward.

[0010] As a preferred embodiment, a sealing ring is provided on the inner circumference of the rear end opening of the gun housing, and the cable passes through the sealing ring. A left pressure block and a right pressure block are snap-fitted on the outer circumference of the rear end opening of the gun housing, and a sheath is provided on the outer circumference of the cable passing through the rear end of the gun housing.

[0011] The beneficial effects of the utility model are as follows: the main gun housing of the charging gun is formed in one piece, which not only achieves waterproof performance, but also reduces the assembly of parts and components, reduces assembly time, and improves production and assembly efficiency; the front end and rear end of the gun housing are sealed with a waterproof ring to further improve the waterproof performance and ensure that the protection level of the entire gun body reaches IP67; the power terminal uses a pin with a smaller diameter; due to fewer parts, the overall volume is small, it is relatively light, and the material cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a disassembly schematic diagram of the utility model;

[0015] Figure 1~Figure 2 Explanation of the reference numerals in the accompanying drawings: 1. Gun housing; 2. Decorative cover; 3. Cable; 4. Plug; 5. Pin pressure plate; 6. Micro switch; 7. Button; 8. Waterproof ring; 9. Pin protection cap; 10. Pin; 11. O-ring; 12. Screw; 13. Left pressure block; 14. Right pressure block; 15. Spring; 16. Sealing ring; 17. Sheath. DETAILED DESCRIPTION

[0016] The specific implementation scheme of the utility model is described in detail below in conjunction with the accompanying drawings.

[0017] like Figure 1~Figure 2 The waterproof electric vehicle charging gun shown comprises an integrally formed cylindrical gun housing 1, a plug 4 is clamped at the front end of the gun housing 1, a decorative cover 2 is buckled at the top of the gun housing 1, and the front end of the decorative cover 2 is fixedly connected to the gun housing 1 by two screws 12. A power button 7 is arranged at the bottom of the decorative cover 2, and the power button 7 extends from the bottom of the through hole of the decorative cover 2. A micro switch 6 is arranged at the bottom of the power button 7, and the bottom of the micro switch 6 is installed on the top of the gun housing 1. The micro switch 6 is connected to the power supply circuit inside the gun housing 1. A spring 15 is arranged between the bottom of one end of the power button 7 and the gun housing 1. A cable 3 is passed through the rear end of the gun housing 1, and a pin pressing plate 5 is embedded in the rear part of the plug 4. After each pin 10 is connected to the corresponding wire of the cable 3, it is clamped at the corresponding position of the pin pressing plate 5, and the free end of the pin 10 is embedded in the through hole of the plug 4.

[0018] Specifically, the gun housing 1 adopts an integrated injection molding design, and the overall shape is tubular, which reduces the assembly process and has good waterproof performance, ensuring that the protection level of the entire gun body reaches IP67. The overall structure is relatively light, reducing materials and costs. The terminal adopts a pin 10, and the pin 10 has a small diameter and a small volume, which reduces the cost of parts. The decorative cover 2 and the gun housing 1 are assembled by snap-fit ​​connection, which is convenient to assemble and saves material costs. The plug 4 is pressed into the front end of the gun housing 1 with an interference fit to prevent disassembly. The structure is simple, which reduces assembly time and improves production and assembly efficiency.

[0019] Among them, a waterproof ring 8 is sleeved on one end of the plug 4 connected to the gun housing 1, and one end of the plug 4 with the waterproof ring 8 is inserted and clamped inside the front end of the gun housing 1, and then fixedly connected to each other by screws 12. A pin protection cap 9 is provided on the free end of the pin 10. An O-ring 11 is sleeved at the connection between the pin 10 and the cable 3. The waterproof ring 8 ensures the waterproof performance of the gun housing 1, the pin protection cap 9 protects the safety of electricity use, and the O-ring 11 seals the connection between the pin 10 and the cable 3.

[0020] In addition, the rear half of the gun housing 1 is a handle, and when the front half of the gun housing 1 is placed horizontally, the gun housing 1 is bent obliquely downward from the middle to make the rear half tilt downward. The bent shape of the gun housing 1 is convenient to use.

[0021] Among them, a sealing ring 16 is arranged on the inner circumference of the rear end opening of the gun housing 1, and the cable 3 passes through the sealing ring 16. The left pressing block 13 and the right pressing block 14 are clamped and matched on the outer circumference of the rear end opening of the gun housing 1, and a sheath 17 is sleeved on the outer circumference of the cable 3 passing through the rear end of the gun housing 1. The left pressing block 13 and the right pressing block 14 firmly press and fix the sealing ring 16, ensuring the waterproof performance of the sealing ring 16.

[0022] The working process of the utility model is as follows:

[0023] According to Figures 1-2, first, after the pin 10 is crimped with the cable 3, the O-ring 11 is put on and buckled into the corresponding position of the pin pressure plate 5. Then, the pin 10 corresponds to the position of the through hole relative to the plug 4, and the waterproof ring 8 is installed in the corresponding position on the plug 4, and then installed into the front end of the gun housing 1. The spring 15 is installed at the corresponding position on the top of the gun housing 1, and the micro switch 6 is fixed with screws. The power button 7 is snapped in, and the decorative cover 2 is covered on the top of the power button 7. Then, the sealing ring 16 is installed at the rear end of the gun housing 1, and the left pressure block 13 and the right pressure block 16 of the cable 3 are buckled and pressed on the outer circumference of the rear end of the gun housing 1, and the sealing ring 16 is pressed to make the sealing ring 16 waterproof, and finally the sheath 17 is installed.

[0024] The above embodiments are only illustrative of the principles and effects of the invention of the utility model, as well as some embodiments of its application, and are not intended to limit the invention of the utility model. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the invention, and these all fall within the scope of protection of the invention.

Claims

1. A waterproof electric vehicle charging gun, characterized in that: The invention comprises an integrally formed cylindrical gun housing (1), a plug (4) is clamped at the front end of the gun housing (1), a decorative cover (2) is buckled at the top of the gun housing (1), a power button (7) is arranged at the bottom of the decorative cover (2), the power button (7) extends from the bottom of the through hole of the decorative cover (2), a micro switch (6) is arranged at the bottom of the power button (7), the bottom of the micro switch (6) is mounted on the top of the gun housing (1), the micro switch (6) is connected to the power supply circuit inside the gun housing (1), a spring (15) is arranged between the bottom of one end of the power button (7) and the gun housing (1), a cable (3) is passed through the rear end of the gun housing (1), a pin pressure plate (5) is embedded at the rear of the plug (4), and each pin (10) is clamped at the corresponding position of the pin pressure plate (5) after being connected to the corresponding wire of the cable (3), and the free end of the pin (10) is embedded in the through hole of the plug (4).

2. The waterproof electric vehicle charging gun according to claim 1, characterized in that: A waterproof ring (8) is sleeved on one end of the plug (4) connected to the gun housing (1); one end of the plug (4) with the waterproof ring (8) is inserted into and snap-fitted into the front end of the gun housing (1) and fixedly connected by a screw (12).

3. The waterproof electric vehicle charging gun according to claim 1, characterized in that: A pin protection cap (9) is provided on the free end of the pin (10).

4. The waterproof electric vehicle charging gun according to claim 1, characterized in that: An O-ring (11) is sleeved at the connection between the plug pin (10) and the cable (3).

5. The waterproof electric vehicle charging gun according to claim 1, characterized in that: The rear half of the gun housing (1) is a handle, and when the front half of the gun housing (1) is placed horizontally, the gun housing (1) is bent obliquely downward from the middle so that the rear half is tilted downward.

6. The waterproof electric vehicle charging gun according to claim 1, characterized in that: A sealing ring (16) is provided on the inner circumference of the rear end opening of the gun housing (1), and the cable (3) passes through the sealing ring (16). A left pressure block (13) and a right pressure block (14) are clamped and matched on the outer circumference of the rear end opening of the gun housing (1), and a sheath (17) is provided on the outer circumference of the cable (3) passing through the rear end of the gun housing (1).

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