CN214956527U

CN214956527U - Fixed switch with protective action

Info

Publication number: CN214956527U
Application number: CN202120256800.5U
Authority: CN
Inventors: 华海飞
Original assignee: Wuxi Huaheng Electronic Technology Co ltd
Current assignee: Wuxi Huaheng Electronic Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-30
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a fixed switch with guard action relates to fixed switch technical field, sets up inside electric vehicle charging socket, its characterized in that: including relative casing, shift knob who sets up and being located a plurality of switch contacts in the casing, the vertical setting of shift knob is in the casing top, shift knob runs through the roof of casing and slide the setting along vertical direction, the switch contact sets up in the casing, the switch contact is provided with threely, one of them the switch contact is fixed to outwards extend, other two pass through shift knob controls and the switch contact of fixed setting communicates each other. The three-phase switch is formed by splicing the shell and the three switch contacts, so that the three-phase switch can be stably installed in a splicing process, and the production efficiency of the fixed switch can be effectively improved due to the convenience in assembly.

Description

Fixed switch with protective action

Technical Field

The utility model relates to a fixed switch technical field especially relates to a fixed switch with guard action.

Background

The words switch are to be interpreted as open and closed. It also refers to an electronic component that can open a circuit, interrupt a current, or cause it to flow to other circuits. The most common switches are electromechanical devices operated by a person, in which there are one or several electrical contacts. The "closed" of a contact means that the electronic contact is conductive, allowing current to flow; an "open" of the switch indicates that the electrical contact is not conductive, creating an open circuit, and not allowing current to flow.

However, in the prior art, most of the existing fixed switches are used by using simple ports, have no safety devices, and can only be normally powered on, so that the situation of electric leakage is easily caused when the device is used, the device is unstable, the safety factor of the device is reduced, and the use efficiency of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, make the factor of safety of device improve through protection device, and then make the device more durable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fixed switch with guard action, sets up inside electric vehicle charging socket, includes relative casing, shift knob that sets up and is located a plurality of switch contacts in the casing, the vertical setting of shift knob is in the casing top, shift knob runs through the roof of casing and slide the setting along vertical direction, the switch contact sets up in the casing, the switch contact is provided with threely, one of them the switch contact is fixed to be set up to outwards extend, other two pass through shift knob controls and communicates each other with the switch contact of fixed setting.

Preferably, the shell comprises two limiting frames which are oppositely arranged, the two limiting frames are oppositely arranged, the side face of one side, opposite to the two limiting frames, is provided with a limiting column and a limiting groove respectively, and the two limiting frames are connected and arranged through the limiting column and the limiting groove.

Preferably, the switch button is biased to one end of the housing in the length direction and located in the middle of the housing in the width direction, and the switch button is inserted into the through groove and slidably arranged in the direction perpendicular to the top surface of the housing; a clamping block is arranged at the bottom of the switch button, and the area of the clamping block in the vertical direction is larger than the cross sectional area of the switch button.

Preferably, the three switch contacts are respectively a first switch contact, a second switch contact and a third switch contact, the three switch contacts are all made of metal, the first switch contact and the second switch contact are arranged in a sliding mode through the switch button in a driving mode, and the third switch contact is fixedly arranged on the switch button.

Preferably, the first switch contact comprises a driving section and a contact section, the driving section is arranged in an L shape, a vertical section on the driving section is arranged below the switch button, and a horizontal section of the driving section is located at one end, away from the switch button, of the vertical section of the driving section; the driving section is used for driving the contact section to slide along the vertical direction.

Preferably, the contact section is divided into a sliding portion, a supporting portion, an extending portion and an electric connection end, wherein the sliding portion and the supporting portion are located above the driving section, the sliding portion is vertically arranged, a sliding groove for sliding the sliding portion is formed in the top of the inner wall of the shell, the supporting portion and the horizontal section of the driving section are parallel to each other and are arranged in a mutually attached mode, the extending portion is located at the position, away from one end of the sliding portion, of the supporting portion, a limiting groove is formed in the connecting position of the extending portion and the supporting portion, a limiting block inserted in the limiting groove is arranged on the driving section, the driving section drives the contact section to slide in the vertical direction through the limiting block, the extending portion extends downwards and penetrates through the bottom wall of the shell, and the bottom of the extending portion is provided with the electric connection end perpendicular to the extending portion.

Preferably, the third switch contact includes the stiff end that the level set up and is located the extension board of stiff end one side, the stiff end passes through fixing bolt fixed setting and is in inside the casing. .

The fixed switch with the protection function is formed by splicing the shell and the three switch contacts, so that the fixed switch can be stably installed in the splicing process, and the production efficiency of the fixed switch can be effectively improved due to the convenience in assembly.

Drawings

Fig. 1 is a schematic view of the overall structure of a fixed switch with protection function according to the present invention;

fig. 2 is a schematic view of a splitting structure of a fixed switch with protection function.

Illustration of the drawings:

1. a housing; 11. a limiting frame; 111. a limiting column; 112. a limiting groove; 113. a through groove; 114. A protrusion; 115. a chute; 2. a switch button; 21. a clamping block; 3. a switch contact; 31. a drive section; 311. a limiting block; 32. a contact section; 321. a sliding part; 322. a holding portion; 3231. a limiting groove; 324. connecting the electric terminal; 33. a fixed end; 331. fixing the bolt; 34. an extension plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a fixed switch with a protection function is disposed inside a charging socket of an electric vehicle, and includes a housing 1, a switch button 2 and a plurality of switch contacts 3 located in the housing 1, where the housing 1 is substantially a cylinder, the switch button 2 is vertically disposed above the housing 1, the switch button 2 penetrates through a top wall of the housing 1 and is slidably disposed along a vertical direction, the switch contacts 3 are disposed in the housing 1, in an embodiment, three switch contacts 3 are disposed, one of the switch contacts 3 is fixedly disposed and extends outward, and the other two switch contacts are controlled by the switch button 2 to communicate with the fixedly disposed switch contacts 3.

Referring to fig. 1, the housing 1 includes two opposite limiting frames 11, the two limiting frames 11 are opposite to each other, in an embodiment, a limiting post 111 and a limiting groove 112 are respectively disposed on a side surface of one opposite side of the two limiting frames 11, and the two limiting frames 11 are connected to each other through the limiting post 111 and the limiting groove 112. The top of the two limit frames 11 is further provided with a through groove 113, and the through groove 113 is used for fixing the switch button 2. In an embodiment, a plurality of protrusions 114 are outwardly extended from two of the limiting frames 11, the protrusions 114 are used for facilitating the installation of the housing 1, the cross section of the protrusions 114 in the vertical direction is in a right triangle, and a right-angled side of the protrusions is attached to the housing 1.

Referring to fig. 2, the switch button 2 is offset from one end of the housing 1 in the length direction and is located at the middle position of the housing 1 in the width direction, and the switch button 2 is inserted into the through groove 113 and slidably arranged in the direction perpendicular to the top surface of the housing 1. A clamping block 21 is arranged at the bottom of the switch button 2, and the area of the clamping block 21 in the vertical direction is larger than the cross-sectional area of the switch button 2. The latch 21 is used for limiting the sliding distance of the switch button 2 in the vertical direction.

Referring to fig. 2, in an embodiment, the three switch contacts 3 are a first switch contact, a second switch contact and a third switch contact, and the three switch contacts 3 are made of metal, wherein the first switch contact and the second switch contact are slidably disposed through driving of the switch button 2, the third switch contact is fixedly disposed on the switch button, the first switch contact includes a driving section 31 and a contact section 32, the driving section 31 is disposed in an L shape, a vertical section on the driving section 31 is disposed below the switch button 2, and a horizontal section of the driving section 31 is located at an end of the vertical section of the driving section 31, the end of the vertical section deviates from the switch button 2. The driving section 31 is configured to drive the contact section 32 to slide along a vertical direction, in an embodiment, the contact section 32 is divided into a sliding portion 321, a supporting portion 322, an extending portion and an electrical connection end 324, wherein the sliding portion 321 and the supporting portion 322 are located above the driving section 31, the sliding portion 321 is vertically disposed, a sliding groove 115 for the sliding portion 321 to slide is disposed at a top of an inner wall of the housing 1, the supporting portion 322 and a horizontal section of the driving section 31 are parallel to each other and are attached to each other, the extending portion is located at an end of the supporting portion 322 away from the sliding portion 321, a limiting groove 3231 is disposed at a connection portion of the extending portion and the supporting portion 322, a limiting block 311 inserted in the limiting groove 3231 is disposed on the driving section 31, and the driving section 31 drives the contact section 32 to slide along the vertical direction through the limiting block 311, the extension part extends downwards and penetrates through the bottom wall of the shell 1, and the bottom of the extension part is provided with an electric connection end 324 perpendicular to the extension part. The second switch contact is a metal elastic sheet, one end of the second switch contact is abutted to the contact section 32 on the first switch contact, the other end of the second switch contact points to the third switch contact, and the second switch contact is contacted with the third switch contact after the contact section 32 slides downwards.

Referring to fig. 1 and 2, in an embodiment, the third switch contact includes a fixed end 33 horizontally disposed and an extending plate 34 located at one side of the fixed end 33, the fixed end 33 is fixedly disposed inside the housing 1 by a fixing bolt 331, and when the second switch contact slides downward, the second switch contact and the fixing bolt 331 abut against each other, so that the first switch contact and the third switch contact are conducted.

The utility model provides a pair of fixed switch with guard action, it is constituteed through the concatenation of casing 1 and three switch contact 3 for can stably install among the concatenation process, and because of its equipment is convenient, can improve fixed switch's production efficiency effectively.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a fixed switch with guard action, sets up inside electric vehicle charging socket, its characterized in that: including relative casing (1), shift knob (2) that sets up and being located a plurality of switch contact (3) in casing (1), shift knob (2) vertical setting is in casing (1) top, shift knob (2) run through the roof of casing (1) and slide the setting along vertical direction, switch contact (3) set up in casing (1), switch contact (3) are provided with threely, one of them switch contact (3) are fixed to be set up to outwards extend, other two pass through shift knob (2) are controlled and are communicate each other with fixed switch contact (3) that set up.

2. A protective fixed switch according to claim 1, characterized in that: the shell (1) comprises two limiting frames (11) which are oppositely arranged, the two limiting frames (11) are oppositely arranged, two limiting columns (111) and limiting grooves (112) are respectively arranged on the side face of one side, opposite to the limiting frames (11), of each limiting frame (11), and the two limiting frames (11) are connected and arranged through the limiting columns (111) and the limiting grooves (112).

3. A protective fixed switch according to claim 2, characterized in that: the switch button (2) is deviated from one end of the shell (1) in the length direction and is positioned in the middle of the shell (1) in the width direction, penetrating grooves (113) are further formed in the tops of the two limiting frames (11), and the switch button (2) is inserted into the penetrating grooves (113) and is arranged in a sliding mode in the direction perpendicular to the top surface of the shell (1); a clamping block (21) is arranged at the bottom of the switch button (2), and the area of the clamping block (21) in the vertical direction is larger than the cross sectional area of the switch button (2).

4. A protective fixed switch according to claim 3, characterized in that: the three switch contacts (3) are respectively a first switch contact, a second switch contact and a third switch contact, the three switch contacts (3) are made of metal, the first switch contact and the second switch contact are arranged in a sliding mode through the switch button (2) in a driving mode, and the third switch contact is fixedly arranged on the switch button.

5. A fixed switch with protection according to claim 4, characterized in that: the first switch contact comprises a driving section (31) and a contact section (32), the driving section (31) is arranged in an L shape, a vertical section on the driving section (31) is arranged below the switch button (2), and a horizontal section of the driving section (31) is positioned at one end, away from the switch button (2), of the vertical section of the driving section (31); the driving section (31) is used for driving the contact section (32) to slide along the vertical direction.

6. A fixed switch with protection according to claim 5, characterized in that: the contact section (32) is divided into a sliding part (321), a butting part (322), an extending part and an electric connection end (324), wherein the sliding part (321) and the butting part (322) are positioned above the drive section (31), the sliding part (321) is vertically arranged, a sliding groove (115) for the sliding part (321) to slide is arranged at the top of the inner wall of the shell (1), the butting part (322) and the horizontal section of the drive section (31) are parallel to each other and are mutually attached, the extending part is positioned at one end of the butting part (322) deviating from the sliding part (321), a limit groove (3231) is arranged at the joint of the extending part and the butting part (322), a limit block (311) inserted in the limit groove (3231) is arranged on the drive section (31), and the drive section (31) drives the contact section (32) to slide in the vertical direction through the limit block (311), the extension part extends downwards and penetrates through the bottom wall of the shell (1), and the bottom of the extension part is provided with an electric connection end (324) perpendicular to the extension part.

7. A fixed switch with protection according to claim 6, characterized in that: the third switch contact includes stiff end (33) that the level set up and is located extension board (34) of stiff end (33) one side, stiff end (33) are in through fixing bolt (331) fixed the setting inside casing (1).