CN211416990U

CN211416990U - Inside micro-gap switch of electric automobile rifle that charges

Info

Publication number: CN211416990U
Application number: CN201921976682.4U
Authority: CN
Inventors: 许军刚; 董荣涛
Original assignee: Wuhan Dtn New Energy Technology Co ltd
Current assignee: Wuhan Dtn New Energy Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-04
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses an inside micro-gap switch of electric automobile rifle that charges, including micro-gap switch, RC chip resistor, R4 chip resistor, PCB circuit board, the rubber coating plastic shell of moulding plastics and electron line, micro-gap switch, RC chip resistor and the equal integration of R4 chip resistor are installed at the PCB circuit board, and the PCB circuit board is installed in the inside of the rubber coating plastic shell of moulding plastics, and the electron line electricity is connected in PCB circuit board. The utility model discloses beneficial effect: the utility model discloses the structure is integrated to the PCB circuit board with the connecting circuit of micro-gap switch, resistance on, it is waterproof to do the whole rubber coating of moulding plastics with integrated form PCB circuit board again, and waterproof performance is reliable, and realizes the modularized design, separates out the assembly process of micro-gap switch, resistance and the assembly of assembly, realizes the pre-assembling, and the assembly of the product of being convenient for more effectively improves assembly efficiency, improves micro-gap switch, resistance assembly waterproof performance reliability.

Description

Inside micro-gap switch of electric automobile rifle that charges

Technical Field

The utility model belongs to the technical field of electric automobile charging connecting device technique and specifically relates to an inside micro-gap switch of electric automobile rifle that charges.

Background

The connection mode of the products on the market about the micro switch and the resistor in the charging gun is that a crimping or welding process is adopted, the micro switch and the resistor are connected with a wire harness assembly of the head of the charging gun in a crimping or welding mode, and the general length of the wire harness assembly at least exceeds 3m, so that the assembly process of the micro switch and the resistor is completed together with the wire harness assembly in the assembly process of the products, the assembly is inconvenient, and the waterproof performance of the micro switch and the resistor is difficult to realize and unreliable.

Therefore, it is necessary to provide an internal microswitch of an electric vehicle charging gun for solving the above problems.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the above-mentioned prior art, the utility model aims to provide an inside micro-gap switch of electric automobile rifle that charges solves when the rifle product equipment that charges, and micro-gap switch, resistance are connected with rifle head portion wiring harness assembly that charges with crimping or welded mode, need take the inconvenient nature of wiring harness assembly equipment together, improve assembly efficiency, improve micro-gap switch, resistance waterproof performance's reliability.

The utility model provides an inside micro-gap switch of electric automobile rifle that charges, includes micro-gap switch, RC chip resistor, R4 chip resistor, PCB circuit board, the encapsulation plastic casing of moulding plastics and electron line, micro-gap switch, RC chip resistor and R4 chip resistor are all integrated to be installed PCB circuit board, PCB circuit board installs the inside of the encapsulation plastic casing of moulding plastics, the electron line electricity connect in PCB circuit board.

Preferably, the PCB circuit board is integrally over-molded.

The beneficial effects of the preferable technical scheme are as follows: and the waterproof reliability of the PCB is improved.

Preferably, the outside of the electronic wire is wrapped by an insulating sleeve, and the insulating sleeve is made of a rubber material.

The beneficial effects of the preferable technical scheme are as follows: the insulating sleeve plays an insulating role, and the rubber material has good insulating property and high strength.

Preferably, the microswitch comprises a microswitch shell, a key contact and an elastic sheet, the key contact is arranged in the microswitch shell, and one end of the elastic sheet is hinged to one side of the microswitch shell.

Preferably, the other end of the elastic sheet is provided with a contact pressing handle.

Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses the structure is integrated to the PCB circuit board with the connecting circuit of micro-gap switch, resistance on, it is waterproof to do the whole rubber coating of moulding plastics with integrated form PCB circuit board again, and waterproof performance is reliable, and realizes the modularized design, separates out the assembly process of micro-gap switch, resistance and the assembly of assembly, realizes the pre-assembling, and the assembly of the product of being convenient for more effectively improves assembly efficiency, improves micro-gap switch, resistance assembly waterproof performance reliability.

Drawings

Fig. 1 and fig. 2 are structural diagrams of micro switches inside the charging gun of the electric vehicle provided by the present invention;

fig. 3 is a view showing the structure of the expanded state of the present invention.

Reference numbers in the figures: 1. a microswitch; 2. a PCB circuit board; 3. injecting and molding an encapsulated plastic shell; 4. an electron beam; 5. a microswitch housing; 6. pressing a handle by a contact; 7. a key contact; 8. a spring plate; 9. RC chip resistor; 10. r4 chip resistance.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 and fig. 2 to 3, an internal micro switch of an electric vehicle charging gun includes a micro switch 1, an RC chip resistor 9, an R4 chip resistor 10, a PCB circuit board 2, an injection-molded plastic-coated plastic housing 3, and an electronic wire 4, wherein the micro switch 1, the RC chip resistor 9, and the R4 chip resistor 10 are integrally mounted on the PCB circuit board 2, the PCB circuit board 2 is mounted inside the injection-molded plastic housing 3, and the electronic wire 4 is electrically connected to the PCB circuit board 2.

Further, the PCB circuit board 2 is integrally encapsulated and injected.

The beneficial effects of the further technical scheme are that: the waterproof reliability of the PCB circuit board 2 is improved.

Further, the outside of the electronic wire 4 is wrapped by an insulating sleeve, and the insulating sleeve is made of rubber materials.

The beneficial effects of the further technical scheme are that: the insulating sleeve plays an insulating role, and the rubber material has good insulating property and high strength.

Further, the micro switch 1 comprises a micro switch shell 5, a key contact 7 and an elastic sheet 8, wherein the key contact 7 is arranged in the switch box 5, and one end of the elastic sheet 8 is hinged to one side of the micro switch shell 5.

Furthermore, the other end of the elastic sheet 8 is provided with a contact pressing handle 7.

Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses the structure is with micro-gap switch 1, RC chip resistor 9 and R4 chip resistor 10's connecting circuit is integrated to PCB circuit board 2 on, it is waterproof to do the whole rubber coating of moulding plastics with integrated form PCB circuit board 2 again, waterproof performance is reliable, and realize the modularized design, with micro-gap switch 1, RC chip resistor 9 and R4 chip resistor 10's assembly process and the assembly of assembly separate out, realize the pre-assembling, the assembly of the product of being convenient for more, effectively improve assembly efficiency, improve micro-gap switch, resistance assembly waterproof performance reliability.

The working principle is as follows: the connecting circuit of the RC chip resistor 9 and the R4 chip resistor 10 is integrated on the PCB circuit board 2, the PCB circuit board 2 is installed in the injection molding encapsulation plastic shell 1, and the integrated PCB circuit board is integrally injection molded, encapsulated and waterproof.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides an inside micro-gap switch of electric automobile rifle that charges which characterized in that: including micro-gap switch (1), RC chip resistor (9), R4 chip resistor (10), PCB circuit board (2), the encapsulation plastic casing of moulding plastics (3) and electronic wire (4), micro-gap switch (1), RC chip resistor (9) and R4 chip resistor (10) are all integrated to be installed PCB circuit board (2), install PCB circuit board (2) the inside of the encapsulation plastic casing of moulding plastics (3), electronic wire (4) electricity connect in PCB circuit board (2).

2. The micro switch in the electric automobile charging gun as claimed in claim 1, wherein: the PCB (2) is integrally encapsulated and injected.

3. The micro switch in the electric automobile charging gun as claimed in claim 1, wherein: and the outside of the electronic wire (4) is wrapped by an insulating sleeve.

4. The micro switch in the electric automobile charging gun according to claim 3, characterized in that: the insulating sleeve is made of rubber materials.

5. The micro switch in the electric automobile charging gun as claimed in claim 1, wherein: the microswitch (1) comprises a microswitch shell (5), a key contact (7) and an elastic sheet (8), wherein the key contact (7) is arranged in the microswitch shell (5), and one end of the elastic sheet (8) is hinged to one side edge of the microswitch shell (5).

6. The micro switch in the electric automobile charging gun according to claim 5, characterized in that: the other end of the elastic sheet (8) is provided with a contact pressing handle (6).