CN215578326U

CN215578326U - Contact type arc-proof ignition switch

Info

Publication number: CN215578326U
Application number: CN202122325605.6U
Authority: CN
Inventors: 陈时雨; 章华义
Original assignee: Zhejiang Leipai Motor Vehicle Parts Co ltd
Current assignee: Zhejiang Leipai Motor Vehicle Parts Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-18
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to a contact type arc-proof ignition switch, which comprises a rotor and a lock seat, wherein the lock seat is connected to a lock shell, the rotor is positioned on one side of the front face of the lock seat, a convex block is arranged on the side face, facing the lock seat, of the rotor, an inclined plane is arranged on the convex block, a light-touch switch is arranged on the lock seat, a key of the light-touch switch is correspondingly configured with the convex block, a wiring terminal of the light-touch switch is connected with a PCB (printed circuit board), and the PCB is arranged on the lock seat. The structure is optimized, a movable contact piece (including a movable contact) and a fixed contact are not required to be additionally arranged, the structure is simpler, the assembly is simpler, the tact switch is arranged to be connected with the PCB, signal transmission is realized, when the tact switch is pressed, a circuit on the PCB can be triggered, and the circuit on the PCB can be used as a signal to be matched with the ignition switch to realize the electrification of the ignition switch after being triggered. Therefore, the PCB can be used as a transition, the generation of electric arc can be effectively prevented, the phenomenon of contact discharge is eliminated, the defect of product aging is overcome, and the service life of the product is prolonged.

Description

Contact type arc-proof ignition switch

Technical Field

The present invention relates to an ignition switch for a vehicle such as a motorcycle or an electric vehicle.

Background

In the ignition switch such as an electric door lock, a movable contact and a fixed contact are arranged to be matched to be connected and disconnected, and a corresponding circuit system can be awakened when the ignition switch is connected, so that an output power supply of the circuit system is connected with a vehicle, and the vehicle can use electricity.

However, contact discharge (arc generation) occurs at the moment when the movable contact and the fixed contact are turned on and off, which causes carbonization and aging of the contacts, and seriously affects the service life of the ignition switch.

The rotor is required to drive the movable contact on the movable contact piece to rotate, the structure is complex, in addition, other parts are relatively more, the structure is troublesome, and the assembly is troublesome.

SUMMERY OF THE UTILITY MODEL

In view of the technical problems in the background art, the technical problem to be solved by the present invention is to provide a contact arc-proof ignition switch. The ignition switch has the advantages that the structure is optimized, the assembly of parts is reduced, the light-touch switch is additionally arranged to be connected with the PCB, the electric arc can be effectively prevented, the phenomenon of contact discharge is eliminated, the problem of product aging is solved, and the service life of the product is prolonged.

In order to solve the technical problems, the utility model adopts the following technical scheme: contact type arc-proof ignition switch comprises a rotor and a lock base connected to a lock shell, wherein the rotor is positioned on one side of the front surface of the lock base, and is characterized in that: the side of the rotor facing the lock seat is provided with a convex block, the convex block is provided with an inclined plane, the lock seat is provided with a tact switch, a key of the tact switch is correspondingly configured with the convex block, a wiring terminal of the tact switch is connected with a PCB, and the PCB is arranged on the lock seat. The structure is optimized, a movable contact piece (including a movable contact) and a fixed contact are not required to be additionally arranged, the assembly is simpler, the light touch switch is arranged to be connected with the PCB, signal transmission is realized, when the light touch switch is pressed, a circuit on the PCB can be triggered, and the circuit on the PCB can be used as a signal to be matched with the ignition switch to realize electrification after being triggered. Therefore, the PCB can be used as a transition, electric arc can be effectively prevented, the phenomenon of contact discharge is eliminated, the defect of product aging is overcome, and the service life of the product is prolonged.

The following optimization or supplementary explanation can be made on the above technical solutions.

For example, the lock housing has a central bore and the rotor has a central axis, the central axis being disposed within the central bore. Can cooperate each other to support the stable rotation of rotor.

The optimization can be carried out again, and the rotor is further provided with a limiting block on the outer side of the central shaft. The installation and assembly are smoother, and the light-touch switch can be smoothly and stably matched with the convex block after the assembly.

In addition, the lock seat is provided with a containing cavity, the tact switch is arranged in the containing cavity, an inlet of the containing cavity is located on the front face of the lock seat, the front face of the lock seat is further provided with a cover plate, the center of the cover plate is a through hole, the cover plate is further provided with an opening for extending out of a key of the tact switch, and the bottom of the containing cavity is further provided with a channel. The tact switch is more convenient to assemble and fix in the lock seat, and the structural layout is reasonable.

And further optimizing, the cover plate is provided with a positioning hole, the lock seat is provided with a positioning pin, and the positioning pin is matched with the positioning hole. The cover plate is smoother and more convenient to install.

For another example, the back of the lock seat is provided with a concave cavity, the PCB is arranged in the concave cavity, and the concave cavity is internally provided with a limit step. The structure space layout is more reasonable and compact, the PCB can be conveniently assembled and mounted, the limiting step enables the PCB to be more convenient and rapid to assemble, and the position is more smooth.

In addition, the PCB board is connected with a circuit system. So that the PCB board is energized in cooperation with circuitry for effecting ignition of the ignition switch. The PCB board is installed on the lock seat.

It can also be optimized that one end of the inclined plane is connected with the upper plane, the other end of the inclined plane is connected with the lower plane, and the upper plane and the lower plane are positioned on the lug.

The contact type arc-proof ignition switch is an electric door lock, the structure is optimized, a movable contact piece (including a movable contact) and a fixed contact are not required to be additionally arranged, a rotor and the movable contact piece are not required to be matched to form a transmission structure, the assembly of parts is reduced, the assembly is simpler, the light-touch switch is connected with a PCB (printed circuit board) to realize signal transmission, when the light-touch switch is pressed, a circuit on the PCB can be triggered, and the circuit on the PCB can be used as a signal to be matched to realize the electrification of the ignition switch after being triggered. The contact type arc-proof ignition switch can adopt a PCB (printed circuit board) as a transition, and can be matched with a light-touch switch through a lug on a rotor, so that the generation of an arc can be avoided, the phenomenon of contact discharge is eliminated, the defect of aging of a product due to the contact discharge is overcome, and the service life of the product is further prolonged. Thus, the present invention provides substantial features and advances over the prior art.

Drawings

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of fig. 1 from another angle.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a schematic structural view of fig. 2 from another angle.

Fig. 5 is an exploded view of fig. 4.

In the figure: 1. a rotor; 2. a lock seat; 3. a bump; 4. a bevel; 5. a tact switch; 6. pressing a key; 7. a wiring terminal; 8. a PCB board; 9. a central bore; 10. a central shaft; 11. a limiting block; 12. an accommodating chamber; 13. a cover plate; 14. a through hole; 16. a mouth; 17. a channel; 18. positioning holes; 19. positioning pins; 20. a concave cavity; 21. a limiting step; 22. an upper plane; 23. a lower plane.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to the attached drawings, in the embodiment of the present invention, a contact arc-proof ignition switch, such as an electric door lock of a motorcycle or an electric vehicle, includes a rotor 1 and a lock base 2, the lock base 2 is used for being connected to a lock shell, the rotor 1 is located on a front side (a side facing a lock core) of the lock base 2, a projection 3 is provided on a side of the rotor 1 facing the lock base 2, the projection 3 can rotate with the rotor 1, a slant 4 is provided on the projection 3, a tact switch 5 is provided on the lock base 2, a key 6 of the tact switch 5 is correspondingly configured with the projection 3, when the projection 3 rotates with the rotor 1, the slant 4 on the projection 3 can cooperate to press the key 6 of the tact switch 5 to achieve connection, the key 6 is reset to be disconnected, in addition, a connection terminal 7 of the tact switch 5 is connected with a PCB board 8, when the key 6 of the tact switch 5 is pressed to be connected, a circuit on the PCB board 8 can be triggered, after being triggered, the circuit on the PCB 8 can be used as a signal to realize the electrification of the ignition switch in a matching way. In addition, a PCB board 8 is arranged on the back of the lock base 2.

This arc ignition switch is prevented to contact is electric door lock, and it has optimized the structure, need not to set up in addition movable contact (including the movable contact) and stationary contact, need not rotor 1 and movable contact cooperation and form transmission structure, reduce the spare part assembly, the assembly is simpler, it is connected with PCB board 8 to dabble switch 5 through setting up, realize signal transmission, then can trigger the circuit on PCB board 8 when dabbing switch 5 when being pressed, circuit on PCB board 8 can be regarded as the signal after being triggered and come the circular telegram that the cooperation realized ignition switch. This contact prevents arc ignition switch can adopt PCB board 8 as the transition to through lug 3 on the rotor 1 and the cooperation of dabbing switch 5, can avoid electric arc to produce, eliminate the contact discharge phenomenon, overcome because of the ageing defect of contact discharge product, and then improve product life.

The following optimization or further explanation can be made on the basis of the above embodiments, respectively.

For example, the lock housing 2 has a central hole 9, the rotor 1 has a central shaft 10, and the central shaft 10 is disposed in the central hole 9. The central shaft 10 is supported by the central hole 9, the rotor 1 is supported to rotate stably by matching, and the central shaft 10 is inserted into the central hole 9 during installation, so that the installation is more convenient and the position is more accurate.

In addition, the rotor 1 is provided with a limiting block 11 at the outer side of the central shaft 10. The distance between the convex block 3 on the rotor 1 and the light touch switch 5 can be ensured at the set distance through the limiting block 11, extra adjustment is not needed, the installation and assembly are smoother, the light touch switch 5 can be ensured to be smoothly and stably matched with the convex block 3 after the assembly, and the inclined plane 4 on the convex block 3 can be smoothly pressed in the rotation process of the rotor 1.

In addition, can also optimize, it holds chamber 12 to have on the lock seat 2, dab the setting of switch 5 and holding in chamber 12, easy to assemble, the entry that holds chamber 12 in addition is located the front of lock seat 2, the front of lock seat 2 still is equipped with apron 13, apron 13 can cover the entry that holds chamber 12, the center of apron 13 is through-hole 14, through-hole 14 will dodge the position and supply rotor 1 and lock seat 2 to cooperate, still have the mouth 16 (like notch or round hole etc.) that supplies to dab button 6 of switch 5 to stretch out on the apron 13, the bottom that holds chamber 12 still is equipped with passageway 17, dab binding post 7 of switch 5 can be connected through with PCB board 8. The tact switch 5 is assembled in the lock seat 2 and is correspondingly fixed more conveniently, and the structural layout is reasonable. The bottom of the cover plate may be recessed to accommodate the contour of the tact switch.

Preferably, the cover plate 13 is provided with a positioning hole 18, the lock base 2 is provided with a positioning pin 19, and the positioning pin 19 is matched with the positioning hole 18. The positioning pin 19 is inserted into the positioning hole 18 for positioning, so that the cover plate 13 is installed more smoothly and conveniently, and the position is accurate and stable. In addition, the cover plate 13 can be clamped or tightly matched or connected by fasteners on the lock base 2.

For another example, the back of the lock base 2 has a cavity 20, the PCB 8 is disposed in the cavity 20, and the cavity 20 has a limiting step 21. Structural space layout is more reasonable, and is compacter relatively to make things convenient for 8 assembly installations of PCB board, spacing step 21 is more convenient when letting 8 assembly of PCB board, and it is spacing to 8 of PCB board by spacing step 21, and the position targets in place more smoothly. The PCB board 8 can be connected and installed in a tight fit mode, a clamping mode or a fastener connection mode and the like. If a cover plate 13 is provided, the front surface of the lock base 2 may be provided with another cavity for the cover plate 13 to be coupled. The PCB 8, i.e. a printed circuit board, or simply a printed board, may further have electronic components and the like arranged thereon as required, and serve as an electronic circuit assembly to form a circuit control system, which may play a role in protecting a circuit. In addition, the PCB board 8 is connected to a circuit system. After the built-in circuit on the PCB 8 detects the signal that the button 6 of the tact switch 5 is touched, the ignition switch (e.g., the in and out contacts of the ignition switch) can be turned on through the circuit switch device. So that the PCB board 8 is energized in cooperation with the circuitry (including the in and out contacts of the ignition switch) that effects ignition of the ignition switch.

It is also preferable that one end of the inclined plane 4 is connected with the upper plane 22, the other end of the inclined plane 4 is connected with the lower plane 23, and the upper plane 22 and the lower plane 23 are positioned on the projection 3. Except for the independent working surface of the inclined plane 4, the upper plane 22, the inclined plane 4 and the lower plane 23 can be connected to form the working surface on the lug 3, so that the key 6 of the tact switch 5 is always matched with the working surface, and the key 6 runs more stably and smoothly.

The foregoing is a preferred embodiment of the present invention, and it should be noted that the scope of the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the scope of the utility model as set forth in the claims.

Claims

1. Contact type arc-proof ignition switch comprises a rotor (1) and a lock base (2) connected to a lock shell, wherein the rotor (1) is positioned on one side of the front surface of the lock base (2), and is characterized in that: the side, facing the lock seat (2), of the rotor (1) is provided with a convex block (3), the convex block (3) is provided with an inclined plane (4), the lock seat (2) is provided with a light touch switch (5), a key (6) of the light touch switch (5) is correspondingly configured with the convex block (3), a wiring terminal (7) of the light touch switch (5) is connected with a PCB (printed circuit board) (8), and the PCB (8) is installed on the lock seat (2).

2. The contact arc ignition resistant switch of claim 1, wherein: the lock holder (2) is provided with a central hole (9), the rotor (1) is provided with a central shaft (10), and the central shaft (10) is arranged in the central hole (9).

3. The contact arc ignition resistant switch of claim 2, wherein: the rotor (1) is also provided with a limiting block (11) at the outer side of the central shaft (10).

4. The contact arc ignition resistant switch of claim 1, wherein: have on lock seat (2) and hold chamber (12), dab switch (5) and set up in holding chamber (12), the entry that holds chamber (12) is located the front of lock seat (2), the front of lock seat (2) still is equipped with apron (13), the center of apron (13) is through-hole (14), still has mouth (16) that supply to dab button (6) of switch (5) and stretch out on apron (13), the bottom that holds chamber (12) still is equipped with passageway (17).

5. The contact arc ignition resistant switch of claim 4, wherein: the cover plate (13) is provided with a positioning hole (18), the lock base (2) is provided with a positioning pin (19), and the positioning pin (19) is matched with the positioning hole (18).

6. The contact arc ignition resistant switch of claim 1, wherein: the back of the lock seat (2) is provided with a concave cavity (20), the PCB (8) is arranged in the concave cavity (20), and the concave cavity (20) is also internally provided with a limiting step (21).

7. The contact arc ignition resistant switch of claim 1, wherein: the PCB (8) is connected with the circuit system.

8. The contact arc ignition resistant switch of claim 1, wherein: one end of the inclined plane (4) is connected with the upper plane (22), the other end of the inclined plane (4) is connected with the lower plane (23), and the upper plane (22) and the lower plane (23) are positioned on the lug (3).