CN217426587U

CN217426587U - Self-locking button switch

Info

Publication number: CN217426587U
Application number: CN202220579670.3U
Authority: CN
Inventors: 王腾飞
Original assignee: Zhejiang Zhenan Vehicle Industry Co ltd
Current assignee: Zhejiang Zhenan Vehicle Industry Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-09-13
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a self-locking button switch, which comprises a shell, a contact seat, a self-locking structure and a driving piece, wherein the shell comprises a shell seat and a sealing cover which are connected, an opening is arranged on one side of the moving direction of the contact seat on the shell seat, the contact seat is arranged in the shell seat through the opening, and the sealing cover is arranged at the opening; the self-locking structure comprises a self-locking crochet hook arranged on the contact seat, an elastic limiting part arranged on the contact seat and used for supporting and limiting the self-locking crochet hook, and a self-locking groove formed on the inner wall of the shell seat opposite to the opening, wherein one end of the self-locking crochet hook bends towards the direction of the self-locking groove and extends into the self-locking groove. The utility model discloses well self-locking button switch structure is through optimal design, and equipment convenient and fast does benefit to and improves production efficiency to performance is stable, has fine practicality and can promote the nature.

Description

Self-locking button switch

Technical Field

The utility model relates to a self-locking button switch belongs to electric switch structural design technical field.

Background

The self-locking button switch is a switch with a mechanical locking function, a controlled circuit is controlled by pressing a button on the self-locking button switch, one circuit state is realized by locking by pressing a loose hand, the other circuit state is realized by unlocking by pressing a loose hand, and the self-locking button switch is widely applied to a gear shifting circuit structure. The self-locking button switch generally comprises a shell, a contact seat, a return spring, a button and other parts, wherein the contact seat is movably arranged in the shell, and a self-locking function is realized between the contact seat and the shell through the matching of a self-locking mechanism formed by a self-locking groove and a self-locking crochet hook. The ubiquitous problem of current self-locking button switch is that its self-locking mechanism's structural design is not reasonable enough, and the wholeness is relatively poor, fails to carry out effectual spacing to the auto-locking crochet hook when the switch equipment, leads to the easy problem that appears the auto-locking crochet hook and drop in the assembling process, and then influences the packaging efficiency of switch.

SUMMERY OF THE UTILITY MODEL

To the deficiency pointed out in the background art, the utility model aims at providing a structural design is reasonable, equipment convenient auto-lock button switch.

Realize the utility model discloses the technical scheme of purpose is:

a self-locking button switch comprises a shell, a contact seat, a self-locking structure and a driving piece, wherein the contact seat is movably arranged in the shell, the driving piece is arranged outside the shell and is connected with the contact seat, the self-locking structure is arranged between the shell and the contact seat, a reset spring is arranged between the shell and the contact seat, a static contact is arranged in the shell, and a moving contact is arranged on the contact seat at a position opposite to the static contact;

the shell comprises a shell seat and a sealing cover which are connected, wherein an opening is formed in one side of the shell seat in the moving direction of the contact seat, the contact seat is arranged in the shell seat through the opening, and the sealing cover is arranged at the opening;

the self-locking structure comprises a self-locking crochet hook arranged on the contact seat, an elastic limiting part arranged on the contact seat and used for pressing and limiting the self-locking crochet hook, and a self-locking groove formed on the inner wall of the shell seat opposite to the opening, wherein one end of the self-locking crochet hook bends towards the direction of the self-locking groove and extends into the self-locking groove.

In the above technical scheme, the contact seat is provided with a limiting block, the shell seat is provided with a limiting sliding groove arranged along the moving direction of the contact seat, and the limiting block is matched with the limiting sliding groove.

In the above technical scheme, the reset spring is a helical compression spring arranged along the moving direction of the contact seat, and the shell and the contact seat are provided with positioning columns which are sleeved with corresponding ends of the helical compression spring.

In the technical scheme, the two sides of the contact seat in the moving direction are convexly provided with the convex strips which are contacted with the inner wall of the shell seat.

In the technical scheme, the moving contact is movably buckled on the contact seat, a pressure spring is arranged between the moving contact and the contact seat, and the pressure spring provides outward elasticity for the moving contact.

In the technical scheme, the driving member is a button which can rotate relative to the shell, the button is provided with a driving part, and one end of the contact seat is provided with a matching part which is connected with the driving part in a matching way.

In the above technical scheme, the driving member is a button fixedly connected with the contact seat.

In the above technical scheme, the sealing cover is clamped at the opening of the shell seat, and the fixed contact is fixed on the sealing cover.

In the above technical scheme, the elastic limiting part is a U-shaped structure formed by bending a stainless steel wire, one end of the elastic limiting part is bent to form a positioning installation part, the other end of the elastic limiting part is bent to form a hook needle abutting part, a positioning clamping groove matched with the positioning installation part is arranged on the contact seat, and the hook needle abutting part is elastically abutted to and pressed on the self-locking hook needle.

The utility model discloses has positive effect: the utility model discloses well auto-lock button switch structure is through the optimal design, and is rational in infrastructure, adorn moving contact, auto-lock crochet hook and elastic locating part etc. part on the contact seat and constitute an organic whole piece when assembling, pack this whole piece into the shell seat by the uncovered of shell seat again, because the self-locking groove sets up on the inner wall relative to uncovered on the shell seat, so the whole piece can make the corresponding tip of auto-lock crochet hook insert the form of auto-lock and form the cooperation in the process of packing into the shell seat, the auto-lock crochet hook receives the elastic limiting action of elastic locating part and can prevent that it from coming off from the contact seat in the assembling process, so make the assembly operation of product more convenient and fast, effectively improved production efficiency; the integral piece is limited by the sealing cover after being arranged in the shell seat, so that the integral piece cannot be loosened, and the effectiveness of the product in use is ensured.

Drawings

Fig. 1 is a schematic structural view of the self-locking button switch of the present invention;

FIG. 2 is a cross-sectional view of the latching push button switch of FIG. 1;

FIG. 3 is a schematic structural view of the middle contact seat, the self-locking hook and the elastic limiting member of the present invention during assembly;

FIG. 4 is another schematic structural view of the assembly shown in FIG. 3;

fig. 5 is a schematic structural view of an elastic limiting member of the present invention;

fig. 6 is a schematic structural diagram of the middle housing seat of the present invention.

The reference symbols shown in the figures are: 1-shell, 11-fixed contact, 12-shell seat, 13-sealing cover, 14-opening, 15-self-locking groove, 16-limiting sliding groove, 2-contact seat, 21-movable contact, 22-limiting block, 23-positioning column, 24-protruding strip, 25-pressure spring, 26-matching part, 27-positioning clamping groove, 3-self-locking crochet hook, 4-elastic limiting part, 41-positioning mounting part, 42-crochet hook pressing part, 5-driving part, 51-driving part and 6-reset spring.

Detailed Description

The following description is made in conjunction with the accompanying drawings for the specific structure of the self-locking button switch of the present invention:

a self-locking button switch is shown in figures 1 to 6 and comprises a shell 1, a contact seat 2, a self-locking structure and a driving piece 5, wherein the contact seat 2 is movably arranged in the shell 1, the driving piece 5 is arranged outside the shell 1 and is connected with the contact seat 2, the self-locking structure is arranged between the shell 1 and the contact seat 2, a reset spring 6 is arranged between the shell 1 and the contact seat 2, the reset spring 6 is used for providing elastic force for resetting of the contact seat 2, a static contact 11 is arranged in the shell 1, a moving contact 21 is arranged on the contact seat 2 opposite to the static contact 11, and a circuit is switched on when the static contact 11 is contacted with the moving contact 2; the shell 1 in this embodiment includes a shell base 12 and a sealing cover 13 connected with each other, an opening 14 is arranged on one side of the shell base 12 in the moving direction of the contact base 2, the contact base 2 is installed in the shell base 12 through the opening 14, and the sealing cover 13 is installed at the opening 14; the self-locking structure comprises a self-locking crochet hook 3 arranged on the contact seat 2, an elastic limiting part 4 arranged on the contact seat 2 and used for pressing and limiting the self-locking crochet hook 3, and a self-locking groove 15 formed on the inner wall of the shell seat 12 opposite to the opening 14, wherein one end of the self-locking crochet hook 3 bends towards the self-locking groove 15 and extends into the self-locking groove 15. By adopting the self-locking button switch structure in the embodiment, when in assembly, the movable contact 21, the self-locking crochet hook 3, the elastic limiting part 4 and other components are arranged on the contact seat 2 to form an integral part, and then the integral part is arranged in the shell seat 12 from the opening 14 of the shell seat 12, because the self-locking groove 15 is arranged on the inner wall of the shell seat 12 opposite to the opening 14, the integral part can enable the corresponding end part of the self-locking crochet hook 3 to be inserted into the self-locking groove 15 to form matching in the process of being arranged in the shell seat 12, and the self-locking crochet hook 3 can be prevented from falling off from the contact seat 2 under the elastic limiting action of the elastic limiting part 4 in the assembly process, so that the assembly operation of a product is more convenient and faster, and the production efficiency is effectively improved; the integral piece is limited by the sealing cover 13 after being arranged in the shell seat 12, so that the integral piece cannot be loosened, and the use effectiveness of the product is ensured.

In this embodiment, be equipped with stopper 22 on the contact seat 2, be equipped with on the shell seat 12 along the spacing spout 16 that the direction of movement of contact seat 2 set up, stopper 22 with spacing spout 16 cooperatees, and its concrete structure refers to and shows in figure 1, can play preliminary positioning action to contact seat 2 through stopper 22 and spacing spout 16's cooperation when the equipment to prevent that contact seat 2 from taking place the off normal in shell seat 12, thereby make things convenient for the equipment of follow-up closing cap 13 and shell seat 12.

In a further embodiment, referring to fig. 2, the reset spring 6 is a helical compression spring arranged along the moving direction of the contact base 2, positioning posts 23 sleeved with the corresponding ends of the helical compression spring are formed on the shell 1 and the contact base 2, and the positioning and installation of the reset spring 6 are realized by arranging the positioning posts 23 to be sleeved with the end portions of the helical compression spring; when the switch is assembled, one end of the helical compression spring can be sleeved with the positioning column 23 on the contact seat 2 before the integral part is assembled into the shell seat 2, then the integral part is inclined, the other end of the helical compression spring is sleeved with the positioning column 23 on the shell 1, then the integral part is pressed into the shell seat 12, in order to facilitate the installation of the helical compression spring, the end part of the positioning column 23 can be set to be in a conical structure, and a window is arranged on the shell seat 12 in a position opposite to the positioning column 23, so that a worker can check the matching condition of the helical compression spring and the positioning column through the window during the assembly.

In order to reduce the frictional resistance between the contact block 2 and the shell block 12, so that the movement of the contact block 2 is smoother, in this embodiment, the two sides of the contact block 2 in the moving direction are convexly provided with protruding strips 24 contacting with the inner wall of the shell block 12, the outer side surfaces of the protruding strips 24 are arc surfaces, and the frictional resistance between the protruding strips 24 and the inner wall of the shell block 12 is small when the contact block 2 moves.

In this embodiment, the movable contact 21 is movably fastened to the contact base 2, and a pressure spring 25 is disposed between the movable contact 21 and the contact base 2, so that the movable contact 21 is movably fastened to the contact base 2 to prevent the movable contact and the contact base from being separated from each other, and the pressure spring 25 is disposed to provide elastic force for the movable contact 21 to enable the movable contact to make good contact with the static contact 11, thereby ensuring reliability of electrical connection.

In this embodiment, the driving member 5 is a button that can be rotatably disposed relative to the housing 1, the button has a driving portion 51, one end of the contact block 2 is provided with a matching portion 26 that is connected to the driving portion 51 in a matching manner, and when the button is pressed, the driving portion 51 generates a driving force for the matching portion 26 to drive the contact block 2 to move. As a variant of this embodiment, the drive element 5 can also be a push button which is fixedly connected to the contact block 2.

In order to facilitate the matching connection between the sealing cover 13 and the housing base 12, in this embodiment, the sealing cover 13 is clamped at the opening 14 of the housing base 12, and the fixed contact 11 is fixed on the sealing cover 13.

Further, as shown in fig. 3 to 5, in this embodiment, the elastic limiting member 4 is a U-shaped structure formed by bending a stainless steel wire, one end of the elastic limiting member is bent to form a positioning installation portion 41, the other end of the elastic limiting member is bent to form a hook needle abutting portion 42, the contact base 2 is provided with a positioning clamping groove 27 matched with the positioning installation portion 41, the hook needle abutting portion 42 elastically abuts against the self-locking hook needle 3, positioning installation is achieved by matching the positioning installation portion 41 with the positioning clamping groove 27 on the contact base 2 during installation, and the hook needle abutting portion 42 abuts against the self-locking hook needle 3 to provide an elastic limiting effect for the self-locking hook needle 3.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. A self-locking button switch comprises a shell (1), a contact seat (2), a self-locking structure and a driving piece (5), wherein the contact seat (2) is movably arranged in the shell (1), the driving piece (5) is arranged outside the shell (1) and is connected with the contact seat (2), the self-locking structure is arranged between the shell (1) and the contact seat (2) and is provided with a reset spring (6) between the shell and the contact seat (2), a static contact (11) is arranged in the shell (1), and a moving contact (21) is arranged on the contact seat (2) at a position opposite to the static contact (11);

the contact device is characterized in that the shell (1) comprises a shell seat (12) and a sealing cover (13) which are connected, an opening (14) is formed in one side of the shell seat (12) in the moving direction of the contact seat (2), the contact seat (2) is installed in the shell seat (12) through the opening (14), and the sealing cover (13) is installed at the opening (14);

the self-locking structure comprises a self-locking crochet hook (3) arranged on the contact seat (2), an elastic limiting part (4) arranged on the contact seat (2) and used for pressing and limiting the self-locking crochet hook (3), and a self-locking groove (15) formed on the inner wall of the shell seat (12) opposite to the opening (14), wherein one end of the self-locking crochet hook (3) bends towards the direction of the self-locking groove (15) and extends into the self-locking groove (15).

2. The self-locking button switch according to claim 1, wherein a limiting block (22) is disposed on the contact base (2), a limiting sliding groove (16) disposed along the moving direction of the contact base (2) is disposed on the shell base (12), and the limiting block (22) is engaged with the limiting sliding groove (16).

3. The self-locking button switch according to claim 1, wherein the return spring (6) is a helical compression spring disposed along the moving direction of the contact base (2), and positioning posts (23) sleeved with corresponding ends of the helical compression spring are formed on the housing (1) and the contact base (2).

4. The pushbutton switch according to claim 1, characterized in that the contact block (2) is provided with raised strips (24) protruding from both sides in its direction of movement, which strips are in contact with the inner wall of the housing (12).

5. The self-locking button switch according to claim 1, wherein the movable contact (21) is movably fastened to the contact base (2), and a compression spring (25) is disposed between the movable contact (21) and the contact base (2), the compression spring (25) providing an outward elastic force to the movable contact (21).

6. The pushbutton switch according to claim 1, wherein the driving member (5) is a button rotatably disposed with respect to the housing (1), the button having a driving portion (51), and the contact block (2) having a mating portion (26) at one end thereof for mating with the driving portion (51).

7. The latching push-button switch according to claim 1, characterized in that the drive member (5) is a push-button which is fixedly connected to the contact block (2).

8. The pushbutton switch according to any of claims 1-7, characterized in that the cover (13) is snap-fitted on the housing base (12) at the opening (14) and the stationary contact (11) is fixed to the cover (13).

9. The self-locking button switch according to any one of claims 1 to 7, wherein the elastic limiting member (4) is a U-shaped structure formed by bending a stainless steel wire, one end of the U-shaped structure is bent to form a positioning installation portion (41), the other end of the U-shaped structure is bent to form a hook needle pressing portion (42), a positioning clamping groove (27) matched with the positioning installation portion (41) is arranged on the contact seat (2), and the hook needle pressing portion is elastically pressed on the self-locking hook needle (3).