CN214477078U

CN214477078U - Double normally open self-locking button switch

Info

Publication number: CN214477078U
Application number: CN202120723253.7U
Authority: CN
Inventors: 王克朋; 汪信红
Original assignee: Yueqing Yongli Switch Co ltd
Current assignee: Yueqing Yongli Switch Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-10-22
Anticipated expiration: 2031-04-09

Abstract

The utility model provides a two normally open auto-lock button switches which characterized in that: the bottom of the base is provided with a mounting groove, and a guide groove for conducting the mounting groove is formed above the base; the switch assembly comprises a mounting seat and a contact pin unit arranged on the mounting seat, and the mounting seat is embedded in the mounting groove; the button assembly comprises a middle seat, a pressing piece, a jacking piece and an elastic resetting piece, wherein the middle seat is arranged above the base, and the jacking piece extends into the guide groove to correspond to the switch assembly. The advantages are that: with switch module setting in the mounting groove of base below, the button module setting realizes mutually supporting of switch module and button module through forming the guide way on the base in the base top, forms relatively independent modular structure respectively with switch module, button module, on assembling the base, simplifies the structure, optimizes assembly process to improve production efficiency by a wide margin, reduce the cost of manufacture.

Description

Double normally open self-locking button switch

Technical Field

The utility model relates to a switch, concretely relates to two normally open self-locking button switches.

Background

The push-button switch is a switch which utilizes a push button to push a transmission mechanism, so that a movable contact and a fixed contact are connected or disconnected, and the circuit is switched. Metal push button switches are popular with a wide range of users due to their high strength and tamper resistance.

Button switch is different according to the functional requirement, divides normally open switch and normally closed switch, and normally open switch can divide into single normally open structure and two normally open structures again, but current two structures of normally opening auto-lock button switch are complicated, and the equipment difficulty, the cost of manufacture is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiency of the background art, the utility model provides a two normally open self-locking button switches.

The utility model discloses the technical scheme who adopts: a double normally open self-locking button switch comprises a base, a switch assembly and a button assembly; the bottom of the base is provided with a mounting groove, and a guide groove for communicating the mounting groove is formed above the base; the switch assembly comprises a mounting seat matched with the mounting groove and two groups of contact pin units arranged on the mounting seat in parallel, each group of contact pin units comprises a first pin, a second pin and a contact elastic sheet, one end of the contact elastic sheet is fixedly connected with the first pin, the other end of the contact elastic sheet extends to the upper part of the second pin, the mounting seat is embedded in the mounting groove, and the free end of the contact elastic sheet of each contact pin unit is arranged below the guide groove; the button assembly comprises a middle seat, a pressing piece, a jacking piece and an elastic resetting piece, the pressing piece is arranged above the middle seat, the jacking piece is arranged inside the middle seat and connected with the pressing piece, the elastic resetting piece can drive the pressing piece to move upwards, the middle seat is installed above the base, and the jacking piece extends into the guide groove to be in contact with the contact elastic sheet.

The mounting groove lateral wall is formed with the draw-in groove, the mount pad lateral wall corresponds and is formed with the ka tai, mount pad embedding mounting groove and mounting groove joint.

The second pin is 7-shaped, and the contact elastic sheet is bent into a V shape.

And a partition board for separating the two groups of contact pin units is formed on the mounting seat.

The top pressing piece comprises a connecting ring connected with the pressing piece, and a top pressing block and a positioning column are formed at the lower end of the connecting ring; a positioning groove matched with the positioning column is formed above the base, the jacking block penetrates through the guide groove to correspond to the contact elastic sheet, and the positioning column is inserted into the positioning groove.

The bottom of the positioning column is provided with a spring column, the mounting seat is correspondingly provided with a spring groove, a spring is arranged in the spring groove, and the upper end of the spring is sleeved outside the spring column and abuts against the positioning column.

And a self-locking assembly is also arranged between the side wall of the top pressing block and the guide groove.

The pressing piece is of a T shape, the elastic resetting piece is a tower-shaped elastic rubber ring, the elastic resetting piece is sleeved outside the pressing piece, and two ends of the elastic resetting piece are respectively abutted against the pressing piece and the middle seat.

And the middle seat and the base are externally sleeved with a metal shell with external threads.

The utility model has the advantages that: scheme more than adopting, in setting up the mounting groove of switch module in the base below, the button module setting realizes mutually supporting of switch module and button module through forming the guide way on the base in the base top, forms relatively independent modular structure respectively with switch module, button module, on assembling the base, simplifies the structure, optimizes assembly process to improve production efficiency by a wide margin, reduce the cost of manufacture.

Drawings

Fig. 1 is a schematic structural view of a dual normally open self-locking button switch according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the base according to the embodiment of the present invention.

Fig. 3 is a schematic structural view of the base according to another angle of the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a switch assembly according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of the top pressing member according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the double normally open self-locking button switch comprises a base 1, a switch assembly and a button assembly.

The base 1 bottom is formed with mounting groove 11, base 1 top then is formed with guide way 12 and constant head tank 13, wherein, guide way 12 link up base 1, is linked together with mounting groove 11.

Switch unit installs in the mounting groove 11 of base 1 bottom, and it includes mount pad 3 with mounting groove 11 looks adaptation and sets up two sets of contact foot units 4 that set up side by side on mount pad 3, and every group contacts the foot unit and all includes first pin 41, second pin 42 and contact spring piece 43, contact spring piece 43 one end and first pin 41 fixed connection, the other end extend to the top of second pin 42, mount pad 3 inlays and establishes in mounting groove 11, and contacts the free end setting of contact spring piece 43 of foot unit 4 in the below of guide way 12.

Wherein, keep certain clearance between contact shell fragment 43 and the second pin 42 to form normally open structure, thereby when contact shell fragment 43 atress was downward, can communicate the circuit with second pin 42 contact, when contact shell fragment 43 lost decurrent effort, contact shell fragment 43 can be through its self elasticity again, automatic re-setting and disconnect, and keep normally opening the position, above-mentioned contact pin unit 4's structure is very simple, and the preparation is convenient with low costs.

The button assembly comprises a middle seat 2, a pressing piece 5, a jacking piece 6 and an elastic resetting piece 7, wherein the pressing piece 5 is arranged above the middle seat 2, the jacking piece 6 is arranged inside the middle seat 2 and is connected with the pressing piece 5, the elastic resetting piece 7 can drive the pressing piece 5 to move upwards, the middle seat 2 is arranged above the base 1, and the jacking piece 6 extends into the guide groove 12 to be in contact with the contact elastic sheet 43.

When the circuit is connected, the pressing piece 5 presses downwards, so that the elastic force of the elastic resetting piece 7 can be overcome, the jacking piece 6 is driven to move downwards, the contact elastic sheet 43 is driven to move downwards, and the contact elastic sheet 43 and the second pin 42 are contacted to connect the circuit; when the circuit is disconnected, the elastic force of the elastic reset piece 7 drives the jacking piece 6 to reset, the contact elastic piece 43 also automatically resets to keep a gap with the second pin 42, and the circuit is disconnected.

When the above-mentioned two normally open self-locking button switches of production equipment, switch module and button module can independently assemble respectively and be overall structure, then in installing the mounting groove 11 of base 1 below with switch module, the button module is then installed base 1 top, still is equipped with outband threaded metal casing 9 at last well seat 2 and base 1 overcoat, forms a complete two normally open metal button switches.

By adopting the scheme, the switch assembly and the button assembly are respectively formed into relatively independent modular structures and then are respectively assembled on the base 1, so that the structure is simplified, the assembly process is optimized, the production efficiency is greatly improved, and the manufacturing cost is reduced.

In addition, the second pin 42 is arranged in a 7 shape to ensure a sufficiently large contact surface, and the contact elastic sheet 43 is bent into a V shape to ensure sufficient over travel, so that when the contact elastic sheet 43 is forced to move downwards, reliable connection with the second pin 42 can be formed.

A partition plate 32 can be further formed on the mounting seat 3 to separate the two groups of contact pin units 4, so that the two groups of contact pin units 4 can be prevented from interfering with each other, and the stable operation of the switch can be guaranteed.

11 lateral walls of mounting groove are formed with draw-in

groove

111, 3 lateral walls of mount pad correspond and are formed with ka tai 31, work as 3 embedding mounting grooves 11 of mount pad, form the joint through draw-in groove 111 and ka tai 31, guarantee the reliable connection between switch module and base 1.

Well seat 2 pegs graft each other with base 1, in order to guarantee reliable connection, also forms the joint through the buckle between well seat 2 and the base 1 equally.

The pressing piece 5 is in a T shape and is arranged above the middle seat 2, one end of the pressing piece extends into the middle seat 2, the jacking piece 6 comprises a connecting ring 61, a jacking pressing block 62 and a positioning column 63 which are formed at the lower end of the connecting ring 61, the connecting ring 61 is fixedly connected with the pressing piece 5 in a clamping mode and is in limit fit with the middle seat 2, the jacking pressing block 62 penetrates through the guide groove 12 to be in contact with the contact elastic sheet 43, the positioning column 63 is inserted into the positioning groove 13, the annular structure of the connecting ring 61 is convenient to form reliable buckling connection with the pressing piece 5, assembly is convenient, meanwhile, the jacking pressing block 62 is used for being in contact fit with the contact elastic sheet and also jointly forms integral positioning of the jacking piece 6 with the positioning column 63, and therefore the button assembly is more stable in structure, stable in action and free of displacement and clamping.

The bottom of the positioning column 63 is provided with a spring column 64, the mounting base 3 is correspondingly provided with a spring groove 33, a spring 10 is arranged in the spring groove 33, the upper end of the spring 10 is sleeved outside the spring column 64 and abuts against the positioning column 63, the spring 10 is further arranged, and the pressing block 62 is contacted with the extrusion elastic sheet 43 and is subjected to an upward elastic force, so that the positioning column 63 is also provided with an elastic force, the stress of the positioning column 63 and the stress of the pressing block 62 are relatively balanced, the stable action is ensured, and the clamping cannot occur.

Elasticity resets 7 and then adopts the elastic rubber circle of tower type to the cover is established outside pressing piece 5, and its both ends offset with pressing piece 5, well seat 2 respectively, adopts the elastic rubber circle of tower type, guarantees effectual home range promptly, plays reliable elasticity effect that resets again, still plays waterproof sealing effect.

And a self-locking assembly 8 is further arranged between the side wall of the top pressing block 62 and the guide groove 12 and is used for button self-locking, namely, the pressing piece 5 is pressed, in the action process of the top pressing piece 6, the self-locking assembly 8 is triggered to realize self-locking, the self-locking assembly can be kept in the position state of circuit conduction, the pressing piece 5 is pressed again, and in the action process of the top pressing piece 6, the self-locking assembly 8 is triggered again to realize unlocking, so that the self-locking assembly can be reset under the action of the elastic resetting piece 7 and is kept in the position state of circuit disconnection.

The self-locking assembly 8 is of a conventional structure, which is not described in detail herein, and generally includes a crochet hook, a square plate for mounting the crochet hook, and an action track formed on the top pressing block 62, wherein the crochet hook moves relative to the action track during the action of the top pressing piece 6, the action track has a self-locking and unlocking position, and the switching of the crochet hook between the self-locking and unlocking positions is realized by pressing, so that the self-locking and unlocking are realized.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. A double normally open self-locking button switch comprises a base (1), a switch assembly and a button assembly; the method is characterized in that:

a mounting groove (11) is formed at the bottom of the base (1), and a guide groove (12) for conducting the mounting groove (11) is formed above the base (1);

the switch assembly comprises a mounting seat (3) matched with the mounting groove (11) and two groups of contact pin units (4) arranged on the mounting seat (3) in parallel, each group of contact pin units comprises a first pin (41), a second pin (42) and a contact elastic sheet (43), one end of the contact elastic sheet (43) is fixedly connected with the first pin (41), the other end of the contact elastic sheet extends to the upper side of the second pin (42), the mounting seat (3) is embedded in the mounting groove (11), and the free end of the contact elastic sheet (43) of each contact pin unit (4) is arranged below the guide groove (12);

the button assembly comprises a middle seat (2), a pressing piece (5), a jacking piece (6) and an elastic resetting piece (7), wherein the pressing piece (5) is arranged above the middle seat (2), the jacking piece (6) is arranged inside the middle seat (2) and is connected with the pressing piece (5), the elastic resetting piece (7) can drive the pressing piece (5) to move upwards, the middle seat (2) is arranged above the base (1), and the jacking piece (6) extends into the guide groove (12) and contacts with the contact elastic sheet (43).

2. The dual normally open self-locking push-button switch of claim 1, wherein: mounting groove (11) lateral wall is formed with draw-in groove (111), mount pad (3) lateral wall correspondence is formed with ka tai (31), mount pad (3) embedding mounting groove (11) and mounting groove (11) joint.

3. The dual normally open self-locking push-button switch of claim 1, wherein: the second pin (42) is 7-shaped, and the contact elastic sheet (43) is bent to be V-shaped.

4. The dual normally open self-locking push-button switch of claim 1, wherein: and a partition plate (32) for separating the two groups of contact pin units (4) is formed on the mounting seat (3).

5. The dual normally open self-locking push-button switch of claim 1, wherein: the jacking piece (6) comprises a connecting ring (61) connected with the jacking piece (5), and a jacking block (62) and a positioning column (63) are formed at the lower end of the connecting ring (61); a positioning groove (13) matched with the positioning column (63) is formed above the base (1), the top pressing block (62) penetrates through the guide groove (12) to correspond to the contact elastic sheet (43), and the positioning column (63) is inserted into the positioning groove (13).

6. The dual normally open self-locking push-button switch of claim 5, wherein: the bottom of the positioning column (63) is provided with a spring column (64), the mounting seat (3) is correspondingly provided with a spring groove (33), a spring (10) is arranged in the spring groove (33), and the upper end of the spring (10) is sleeved outside the spring column (64) and is abutted against the positioning column (63).

7. The dual normally open self-locking push-button switch of claim 5, wherein: and a self-locking assembly (8) is also arranged between the side wall of the top pressing block (62) and the guide groove (12).

8. The dual normally open self-locking push-button switch of claim 1, wherein: the pressing piece (5) is of a T shape, the elastic resetting piece (7) adopts a tower-shaped elastic rubber ring, the elastic resetting piece (7) is sleeved outside the pressing piece (5), and two ends of the elastic resetting piece are respectively abutted against the pressing piece (5) and the middle seat (2).

9. The dual normally open self-locking push-button switch of claim 1, wherein: and a metal shell (9) with external threads is sleeved outside the middle seat (2) and the base (1).