CN218730558U

CN218730558U - Locking button switch

Info

Publication number: CN218730558U
Application number: CN202222911058.4U
Authority: CN
Inventors: 史小强; 曾小春; 罗后信; 杨文俊
Original assignee: Guizhou Zhenhua Hualian Electronics Co ltd
Current assignee: Guizhou Zhenhua Hualian Electronics Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-24
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a locking button switch, which comprises a shell; the top of the shell is connected with a press handle cap, the bottom of the shell is connected with a base, the bottom of the base is provided with a conductive piece, and the top of the base is provided with a self-locking spring; a pressing handle is arranged in the shell, a lock handle is connected with the pressing handle, and a push rod is inserted into the top of the lock handle; the lock handle is sequentially sleeved with a conducting ring and a pressure spring B, the lower end of the lock handle is provided with a pressure spring A, and one end of the pressure spring A is connected with a self-locking spring. The utility model discloses use the pressure spring to accomplish the locking, be difficult for producing plastic deformation, cause the switch locking to become invalid, can also increase of service life, satisfy the market demand.

Description

Locking button switch

Technical Field

The utility model relates to a locking button switch.

Background

A push button switch is a switch in which the internal contacts are switched by an urging force in the same line as the push button stroke. It is an important element in control consoles and panel control systems of various instruments, meters and electromechanical equipment; it is characterized by that it is mounted in the machine and meter in the course of working, and is in the position of initial free state for most of time, and only can be converted into second state under the action of external force.

The locking mechanism of the traditional locking button switch is characterized in that a locking spring piece is used for elastically extruding a self-locking spring, so that the self-locking spring moves along the lock cylinder track of a cam, the locking function is guaranteed, the locking spring piece is an elastic piece and is easy to generate plastic deformation, the switch is locked and loses efficacy, the service life of the switch is relatively short, and the market demand is not met.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a locking button switch.

The utility model discloses a following technical scheme can realize.

The utility model provides a locking button switch, which comprises a shell; the top of the shell is connected with a press handle cap, the bottom of the shell is connected with a base, the bottom of the base is provided with a conductive piece, and the top of the base is provided with a self-locking spring; a pressing handle and a lock handle connected with the pressing handle are arranged in the shell, a push rod is inserted into the top of the lock handle, and a lock cylinder is arranged on the side face of the bottom of the lock handle; the lock handle is sequentially sleeved with a conducting ring and a pressure spring B, the lower end of the lock handle is provided with a pressure spring A, and one end of the pressure spring A is connected with a self-locking spring.

The press handle cap, the press handle, the conducting ring and the lock handle can move up and down.

And a sealing ring is arranged between the press handle cap and the shell, the shell and the base are fixed by riveting, and epoxy resin glue is coated on the outer end face.

The conductive pieces are fixed on the base through cutting riveting and dispensing.

An inner hole is formed in the pressing handle, and the lock handle is arranged in the inner hole.

And the pressure spring B and the pressure spring A can freely stretch and retract.

The self-locking spring transversely penetrates through the base and can freely swing left and right.

The lower end of the lock handle is provided with a guide hole, the pressure spring A is arranged in the guide hole, and the top of the pressure spring A is coated with low-temperature lubricating grease.

A limiting hole is formed in the shell, and a limiting step is arranged at the bottom of the pressing handle.

The top of the press handle and the press handle cap are in interference fit, and epoxy resin glue is coated for sealing and releasing.

The beneficial effects of the utility model reside in that: the locking is completed by using the pressure spring, so that plastic deformation is not easy to generate, the locking failure of the switch is caused, the service life can be prolonged, and the market demand is met.

Drawings

FIG. 1 is a diagram of the starting state of the present invention;

fig. 2 is a locking state diagram of the present invention;

FIG. 3 is a track diagram of the lock handle of the present invention;

in the figure: 1-a handle cap, 2-a sealing ring, 3-a shell, 4-a handle, 5-a push rod, 6-a pressure spring B, 7-a conducting ring, 8-a pressure spring A, 9-a base, 10-a conducting piece, 11-a self-locking spring and 12-a lock handle.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

A lock button switch as shown in fig. 1 and 2 includes a housing 3; the top of the shell 3 is connected with a pressing handle cap 1, the bottom of the shell is connected with a base 9, the bottom of the base 9 is provided with a conductive piece 10, and the top of the base 9 is provided with a self-locking spring 11; a pressing handle 4 and a lock handle 12 connected with the pressing handle 4 are arranged in the shell 3, a push rod 5 is inserted into the top of the lock handle 12, and a lock cylinder is arranged on the side face of the bottom of the lock handle 12; the lock handle 12 is sequentially sleeved with the conducting ring 7 and the pressure spring B6, the lower end of the lock handle 12 is provided with a pressure spring A8, one end of the pressure spring A8 is connected with the self-locking spring 11, the self-locking spring 11 is compressed, the locking force of the self-locking spring 11 is provided, the upper end of the self-locking spring 11 is attached to the root of the lock cylinder of the lock handle 12, and the locking reliability is guaranteed.

Specifically, the lock handle 12 penetrates through the conducting ring 7, the pressure spring B6 is located at the upper end of the conducting ring 7, the lock handle 12 penetrates through an inner hole of the press handle 4, and the push rod 5 penetrates through the top of the lock handle 12, so that the lock handle 12 is fastened on the press handle 4 in a buckling mode, and the lock handle 12 is prevented from being separated from the press handle 4.

The press handle cap 1, the press handle 4, the conducting ring 7 and the lock handle 12 can move up and down.

And a sealing ring 2 is arranged between the press handle cap 1 and the shell 3 to play a dynamic waterproof role, the shell 3 and the base 9 are fixed by riveting through buckles, and epoxy resin glue is coated on the outer end face.

The conductive pieces 10 are fixed on the base 9 through cutting riveting and dispensing.

An inner hole is arranged in the press handle 4, and the lock handle 12 is arranged in the inner hole.

The pressure spring B6 and the pressure spring A8 can freely stretch out and draw back, and the pressure spring B6 and the pressure spring A8 respectively provide contact pressure and reset force for the conducting ring 7 and the conducting piece 10, so that the contact reliability is guaranteed.

The self-locking spring 11 transversely penetrates through the base 9 and can freely swing left and right.

The lower extreme of lock handle 12 is equipped with the guiding hole, and pressure spring first 8 sets up in the guiding hole, scribbles low temperature lubricating grease at the top of pressure spring first 8, reduces the relative friction between pressure spring first 8 and the guiding hole.

The shell 3 is internally provided with a limiting hole, the bottom of the pressing handle 4 is provided with a limiting step, the shell 3 is limited at the root of the pressing handle 4, and the end surfaces of the shell and the pressing handle are attached.

The top of the press handle 4 and the press handle cap 1 are in interference fit, and epoxy resin glue is coated for sealing and releasing.

The self-locking spring 11 of the utility model slides from the surface A to the surface C along the lock core of the lock handle 12 through the surface B and then to the surface D for locking; the pressing handle cap 1 is pressed again, the self-locking spring 11 slides to the surface E from the surface D, and then slides to the surface A through the surface F, so that locking circulation is realized, and the specific working process is as follows:

as shown in figure 3, the pressing handle cap 1 is pressed to force the pressing handle 4 to move downwards, the pressure spring A8 is compressed at the moment, the lock handle 12 moves downwards, the self-locking switch 11 passes through the surface B from the surface A, and when the pressing handle cap is displaced to a certain position, the conducting ring 7 is contacted with the conducting piece 10, and the switch is conducted. The pressing handle cap 1 is pressed downwards continuously, the self-locking switch 11 slides from the surface B to the surface C, the pressure spring B6 deforms elastically to realize reliable contact of the conducting ring 7 and the conducting piece 10, the external force is removed at the moment, the lock handle 12 moves upwards under the action of resilience force of the pressure spring A8, the self-locking switch 11 slides from the surface C to the surface D, and the switch realizes the self-locking function;

pressing the pressing handle cap 1 again, compressing the pressure spring A8, moving the lock handle 12 downwards, sliding the self-locking switch 11 from the surface D to the surface E, removing the external force at the moment, moving the lock handle 12 upwards under the action of resilience force of the pressure spring A8, sliding the self-locking switch 11 from the surface E to the surface F, separating the conducting ring 7 from the conducting piece 10, disconnecting the circuit, continuously moving the lock handle 12 upwards, returning the self-locking switch 11 from the surface F to the surface A, unlocking the switch, returning to the initial state, and realizing the whole process of switching.

Claims

1. The utility model provides a locking button switch, includes shell (3), and the top of shell (3) is connected with button cap (1), and the bottom is connected with base (9), its characterized in that: the bottom of the base (9) is provided with a conductive piece (10), and the top of the base (9) is provided with a self-locking spring (11); a pressing handle (4) and a lock handle (12) connected with the pressing handle (4) are arranged in the shell (3), a push rod (5) is inserted into the top of the lock handle (12), and a lock cylinder is arranged on the side face of the bottom of the lock handle (12); the lock handle (12) is sequentially sleeved with the conducting ring (7) and the pressure spring B (6), the lower end of the lock handle (12) is provided with a pressure spring A (8), and one end of the pressure spring A (8) is connected with the self-locking spring (11).

2. The lock button switch of claim 1, wherein: the press handle cap (1), the press handle (4), the conducting ring (7) and the lock handle (12) can move up and down.

3. The lock button switch of claim 1, wherein: a sealing ring (2) is arranged between the press handle cap (1) and the shell (3), the shell (3) and the base (9) are fixed through buckling and riveting, and epoxy resin glue is coated on the outer end face.

4. The lock button switch of claim 1, wherein: the conductive piece (10) is fixed on the base (9) through cutting riveting and dispensing.

5. The lock button switch of claim 1, wherein: an inner hole is arranged in the press handle (4), and the lock handle (12) is arranged in the inner hole.

6. The lock button switch of claim 1, wherein: the pressure spring B (6) and the pressure spring A (8) can freely stretch and retract.

7. The lock button switch of claim 1, wherein: the self-locking spring (11) transversely penetrates through the base (9) and can freely swing left and right.

8. The lock button switch of claim 1, wherein: the lower end of the lock handle (12) is provided with a guide hole, the pressure spring A (8) is arranged in the guide hole, and the top of the pressure spring A (8) is coated with low-temperature lubricating grease.

9. The lock button switch of claim 1, wherein: a limiting hole is formed in the shell (3), and a limiting step is arranged at the bottom of the pressing handle (4).

10. The lock button switch of claim 1, wherein: the top of the press handle (4) is in interference fit with the press handle cap (1), and epoxy resin glue is coated for sealing and releasing.