CN213936001U

CN213936001U - Binding clip type key switch

Info

Publication number: CN213936001U
Application number: CN202120072566.0U
Authority: CN
Inventors: 王微微
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-08-10
Anticipated expiration: 2031-01-12

Abstract

The utility model belongs to the technical field of the key switch, a binding clip type key switch is disclosed, include: the key switch comprises a key switch main body and a wiring terminal assembly arranged in the key switch main body; the binding post subassembly includes: the first conductive clamping piece, the second conductive clamping piece and the flat head screw are arranged on the base; the key switch main body is provided with a wiring cavity, the first conductive clamping piece and the second conductive clamping piece are slidably fixed in the wiring cavity, and the first conductive clamping piece and the second conductive clamping piece can be relatively close to and far away from each other; the flat head screw is fixed on the key switch main body, the first conductive clamping piece and the second conductive clamping piece are both provided with a first screw hole and a second screw hole, and the flat head screw is in threaded connection with the first screw hole and the second screw hole; wherein, the side wall of the wiring cavity is provided with a wiring window. The utility model provides a binding clip type key switch can promote the location, assembly efficiency, degree of automation to reduce binding post material consumption.

Description

Binding clip type key switch

Technical Field

The utility model relates to a key switch technical field, in particular to binding clip type key switch.

Background

In a push-button switch with an indicator light circuit, a cylindrical block-shaped terminal block and a mating headed bolt are generally provided for facilitating connection of a conductive member such as a wire, and are used to press the conductive member in a cylindrical cavity of the terminal block. The terminal assembly operation of the structure needs to accurately position the screw hole direction of the terminal, and the terminal is easy to roll, so that the accurate assembly efficiency is low, manual participation is often needed, and the automation degree is low; meanwhile, the material cost of the device is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a binding clip type key switch solves the key switch location of the binding clip type among the prior art, and assembly efficiency, degree of automation is low, the technical problem that the binding clip consumptive material is high.

In order to solve the technical problem, the utility model provides a binding clip type key switch, include: the key switch comprises a key switch main body and a wiring terminal assembly arranged in the key switch main body;

the terminal assembly includes: the first conductive clamping piece, the second conductive clamping piece and the flat head screw are arranged on the base;

the key switch main body is provided with a wiring cavity, the first conductive clamping piece and the second conductive clamping piece are slidably fixed in the wiring cavity, and the first conductive clamping piece and the second conductive clamping piece can be relatively close to and far away from each other;

the flat head screw is fixed on the key switch main body, a first screw hole and a second screw hole are formed in the first conductive clamping piece and the second conductive clamping piece respectively, and the flat head screw is in threaded connection with the first screw hole and the second screw hole;

and the side wall of the wiring cavity is provided with a wiring window.

Furthermore, the outer edge of the wiring window is provided with a guide sliding groove protruding out of the outer wall of the key switch main body.

Furthermore, the whole guide chute is U-shaped.

Furthermore, a guide limiting convex edge is formed on the inner wall of the wiring cavity, and the first conductive clamping piece and the second conductive clamping piece are respectively clamped and embedded on the limiting convex edge through guide limiting grooves formed in the main bodies of the first conductive clamping piece and the second conductive clamping piece.

Further, the first conductive clip includes: a clamping part and a guide part; the limiting convex edge divides the wiring cavity into a clamping cavity and a guide groove cavity;

the clamping portion is slidably secured within the clamping cavity, and the guide portion is slidably disposed within the guide slot cavity.

Furthermore, a clamping bulge is arranged on the clamping surface of the first conductive clamping piece.

Further, the wiring cavity includes: the ground wire connection cavity, the live wire connection cavity and the zero line connection cavity;

the first conductive clip includes: the first ground wire clamping piece, the first live wire clamping piece and the first zero line clamping piece;

the second conductive clip includes: the second ground wire clamping piece, the conductive static contact piece and the second zero line clamping piece;

the first ground wire clamping piece and the second ground wire clamping piece are oppositely arranged in the ground wire wiring cavity;

the first live wire clamping piece and the conductive static contact piece are oppositely arranged in the live wire wiring cavity;

the first neutral wire clamping piece and the second neutral wire clamping piece are arranged in the neutral wire connection cavity oppositely.

Further, the key switch main body includes: the upper shell, the lower end cover, the ratchet switch and the conductive movable contact spring;

the ground wire wiring cavity, the live wire wiring cavity and the zero wire wiring cavity are arranged in the upper shell, and a pressing operation cavity is further formed in the upper shell;

the ratchet switch and the conductive movable contact piece are fixed in the pressing operation cavity, and the ratchet switch is abutted against the elastic action part of the conductive movable contact piece;

the conductive static contact piece is provided with a pressing contact conductive part, and the pressing contact conductive part is arranged in the pressing operation cavity and is positioned in the pressing stroke of the elastic action part;

the lower end cover is buckled and fixed on the port part of the upper shell.

Furthermore, a first plug wire notch and a third plug wire notch are formed in the lower end cover and are respectively communicated with the ground wire wiring cavity and the zero wire wiring cavity;

a first guide inclined plane is arranged at the position, corresponding to the first wire plugging notch, on the side wall of the ground wire wiring cavity;

and a third guide inclined plane is arranged at the position of the side wall of the zero line wiring cavity, which is correspondingly connected with the third plug wire gap.

Further, the second ground wire clamping piece, the conductive static contact piece, the conductive movable contact piece and the second neutral wire clamping piece are placed on the port of the upper shell and are pressed tightly through the lower end cover.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the wiring clamp piece type key switch provided in the embodiment of the application carries out structure optimization aiming at a key switch main body and a wiring terminal component which cannot be arranged in the key switch main body; particularly, the first conductive clamping piece, the second conductive clamping piece and the tightening and releasing structure of the flat head screw are adopted, so that the assembly positioning difficulty can be greatly reduced through the sheet structure, the assembly is more suitable for automatic assembly, and the assembly precision and efficiency are greatly improved; simultaneously, whole volume is littleer for cubic terminal, and the consumptive material is also lower, and is corresponding the wiring chamber of seting up in the key switch main part also responds littleer, more makes things convenient for the switch assembly to arrange and insert, external earlier operation after on the socket.

Drawings

Fig. 1 is an exploded view of a terminal clamp type key switch according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an upper housing according to an embodiment of the present invention;

fig. 3 is an exploded view of the terminal provided in the embodiment of the present invention;

fig. 4 is a schematic view illustrating an assembly state of the connection terminal according to an embodiment of the present invention;

fig. 5 is a schematic connection diagram of a first conductive clip and a second conductive clip according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a pressing structure and an indicator light circuit provided in an embodiment of the present invention;

fig. 7 is a schematic diagram of an electrical connection state of an indicator light circuit according to an embodiment of the present invention;

FIG. 8 is a schematic view of the assembled state of FIG. 1;

fig. 9 is an assembly schematic view of a lower end cover according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an upper housing according to an embodiment of the present invention;

fig. 11 is a schematic view illustrating a released state of the clip according to an embodiment of the present invention;

fig. 12 is a schematic view illustrating a clamping piece pressing state according to an embodiment of the present invention;

fig. 13 is a sectional view of a clip assembly according to an embodiment of the present invention.

Detailed Description

The embodiment of the application solves the technical problems of the prior art that the wiring terminal type key switch is positioned, the assembly efficiency is high, the automation degree is low, and the wiring terminal material consumption is high.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the present disclosure, and it should be understood that the specific features in the embodiments and examples of the present disclosure are detailed descriptions of the technical solutions of the present disclosure, but not limitations of the technical solutions of the present disclosure, and the technical features in the embodiments and examples of the present disclosure may be combined with each other without conflict.

The wiring clamp piece type key switch provided by the embodiment is structurally optimized for the key switch main body and the wiring terminal assembly arranged in the key switch main body, so that the wiring clamp piece type key switch can be positioned at high precision, assembled at high efficiency and suitable for automatic assembly. And the material consumption of the terminal is reduced to a certain extent, and the cost is reduced.

Referring to fig. 1 and 6, the key switch main body according to the present embodiment is a typical key switch structure, and includes: upper housing 300, lower end cap 800, ratchet switch 400, conductive movable contact 600 and mating conductive stationary contact. The switch with the key indication function is further provided with an indicator light circuit assembly 200 composed of an indicator light circuit 210 and a conductive spring 220, and a pressing assembly 100 composed of a pressing cap and a guide bracket 120. Generally, in order to meet the requirements of application objects such as sockets, extension plugs and the like, a key switch is provided with a zero line connecting terminal, a live line connecting terminal and a ground line connecting terminal; the structural assembly of the barrel-shaped block matched with the compression flat head screw in the prior art is influenced by the positioning and assembly precision of the barrel-shaped block, manual participation is often needed, the efficiency is low, and the requirement of high-degree automatic assembly cannot be met; meanwhile, when the number of the related wiring terminals is large, the cost is high.

Referring to fig. 1, 3, 4, 5, 8, 10, 11, 12 and 13, the present embodiment is optimized for the structure of the connection terminal and the upper housing 300 to improve assembly efficiency, to meet the demand for highly automated assembly, and to reduce costs.

Specifically, the terminal assembly includes: a first conductive clip 500, a second conductive clip 700, and a grub screw 900; a wiring cavity is formed in the key switch main body, the first conductive clip 500 and the second conductive clip 700 are slidably fixed in the wiring cavity, and the first conductive clip 500 and the second conductive clip 700 can be relatively close to and far away from each other; the grub screw 900 is fixed on the key switch main body, the first conductive clamping piece 500 and the second conductive clamping piece 700 are both provided with a first screw hole and a second screw hole, and the grub screw 900 is in threaded connection with the first screw hole and the second screw hole; thereby effecting compression and release of the first conductive clip 500 and the second conductive clip 700 by rotating the grub screw 900, thereby tensioning and releasing the conductor 10.

Referring to fig. 2, the wiring chamber includes, according to the kind of wiring: a ground wire cavity 340, a hot wire cavity 320, and a neutral wire cavity 330.

In this embodiment, in order to facilitate wire plugging, a wiring window is formed on a side wall of the wiring cavity, and is used for embedding the wire 10. The outer edge of the wiring window is provided with a guide sliding chute which protrudes out of the outer wall of the key switch main body; the guide sliding groove is integrally U-shaped.

Taking the ground wire connection cavity 340 as an example, a ground wire connection window 341 is provided, and a ground wire guide chute 343 is provided at an outer edge. Similarly, the live wire chamber 320 is provided with a live wire window 321, and the neutral wire chamber 330 is provided with a neutral wire window 331.

Correspondingly, the first conductive clip 500 includes: a first ground clip 510, a first live clip 520, and a first neutral clip 530; the second conductive clip 700 includes: a second ground clip 710, a conductive static clip 720, and a second neutral clip 730.

The first ground clip 510 and the second ground clip 710 are oppositely disposed within the ground wiring cavity 340; the first hot clip 520 and the conductive static contact 720 are oppositely disposed in the hot wiring cavity 320; the first neutral wire jaw 530 and the second neutral wire jaw 730 are disposed opposite the neutral wire cavity 330.

In order to facilitate automatic assembly positioning and limiting fixation, a guiding limiting convex edge is formed on the inner wall of the wiring cavity, and the first conductive clamping piece 500 and the second conductive clamping piece 700 are respectively embedded on the limiting convex edge through a guiding limiting groove formed in the main body of the first conductive clamping piece 500 and the main body of the second conductive clamping piece 700.

The first conductive clip 500 includes: a clamping part and a guide part; the limiting convex edge divides the wiring cavity into a clamping cavity and a guide groove cavity; the clamping portion is slidably secured within the clamping cavity, and the guide portion is slidably disposed within the guide slot cavity. Clamping bulges are arranged on the clamping surface of the first conductive clamping piece.

The ground wiring cavity 340 and the first and second ground clips 510 and 710 are taken as an example for illustration.

Referring to fig. 2 and 10, the ground wire connection chamber 340 is divided into two parts, i.e., a ground wire clamping chamber and a ground wire clip guide groove chamber 342, by the stopper rib.

Referring to fig. 3, first screw hole 511 and guide portion 512 are formed on first ground clip 510, and guide portion 512 is slidably embedded in ground clip guide groove cavity 342. In contrast, the second ground wire clip 710 is provided with a second screw hole 711, so as to be fixed by the flat head screw 900. The second ground clip 710 is provided with a fixing slot 713 adapted to the limiting rib, and a supporting extension portion 712. A second ground lug support platform 344 is arranged on the inner wall of the ground lug cavity 340, so that the second ground lug support platform can be stably placed at the port of the ground lug cavity 340, and the lower end cover 800 is conveniently pressed on the port of the upper shell 300; accordingly, the first ground wire clip 510 is directly embedded in the ground wire connection cavity 340 and can freely pass through; therefore, during assembly, the lower end cover 800 can be arranged layer by layer according to the same assembly direction and is finally buckled, and therefore complete automatic assembly can be carried out conveniently and smoothly.

The ground wire connection cavity 340, the live wire connection cavity 320 and the neutral wire connection cavity 330 are arranged in the upper shell 300, and a pressing operation cavity 310 is further formed in the upper shell 300; the ratchet switch 400 and the conductive moving contact piece 600 are fixed in the pressing operation cavity 310, and the ratchet switch 400 abuts against the elastic action part 610 of the conductive moving contact piece 600; the conductive static contact 720 is provided with a pressing contact conductive part, and the pressing contact conductive part is arranged in the pressing operation cavity 310 and is located in the pressing stroke of the elastic action part 610; the lower end cap 800 is fastened and fixed to the port of the upper housing 300.

In this embodiment, the second ground clamping piece 710, the conductive stationary contact piece 720, the conductive movable contact piece 600, and the second neutral clamping piece 730 rest on the port of the upper housing 300 and are pressed by the lower end cap 800; that is, the lower end cap 800 serves only for compression, and all built-in components are fixed in the upper case 300.

Referring to fig. 4 and 9, in order to facilitate the insertion of the conductive reed of the patch board or the socket, the lower end cover 800 is provided with a first patch opening 840 and a third patch opening 830, which are respectively communicated with the ground wire connection cavity 340 and the neutral wire connection cavity 330.

A first guide inclined plane 345 is arranged on the side wall of the ground wire wiring cavity 340 corresponding to the first plug wire opening 840; a third guide inclined plane is arranged on the side wall of the zero line wiring cavity 330 corresponding to the third plug wire opening 830; thereby facilitating the smooth passage of the conductive reed.

Referring to fig. 7, to accommodate reliable contact conduction of the indicator light circuit 210. The conductive spring 220 is respectively abutted against the elastic pressing part 610 and the second neutral wire clamping piece 730. The second neutral wire clip 730 is provided with a conductive vertical plate 734, the top end of the conductive vertical plate 734 is provided with a limit boss 735, and the bottom end of the neutral wire connecting spring of the conductive spring 220 is fixed outside the limit boss 735.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A terminal-type push switch, comprising: the key switch comprises a key switch main body and a wiring terminal assembly arranged in the key switch main body;

and the side wall of the wiring cavity is provided with a wiring window.

2. The clip-type key switch as claimed in claim 1, wherein the outer edge of said wiring window is provided with a guide groove protruding from the outer wall of said key switch main body.

3. The terminal-plate type key switch as claimed in claim 2, wherein said guide runner is generally U-shaped.

4. The terminal-clamping-piece-type key switch as claimed in claim 1, wherein a guiding and limiting rib is formed on an inner wall of said terminal cavity, and said first conductive clamping piece and said second conductive clamping piece are respectively engaged with said limiting rib through a guiding and limiting groove formed on a main body of said first conductive clamping piece and said second conductive clamping piece.

5. The clip-type keyswitch of claim 4 wherein said first conductive clip includes: a clamping part and a guide part; the limiting convex edge divides the wiring cavity into a clamping cavity and a guide groove cavity;

6. The terminal-clip-type keyswitch as claimed in claim 5, wherein said first conductive clip has a clamping protrusion formed on a clamping surface thereof.

7. The terminal-type key switch as claimed in claim 6, wherein said wiring cavity includes: the ground wire connection cavity, the live wire connection cavity and the zero line connection cavity;

8. The terminal-type key switch as claimed in claim 7, wherein the key switch body includes: the upper shell, the lower end cover, the ratchet switch and the conductive movable contact spring;

the lower end cover is buckled and fixed on the port part of the upper shell.

9. The patch clamp type key switch according to claim 8, wherein said lower end cap defines a first patch opening and a third patch opening, and being in communication with said ground wiring cavity and said neutral wiring cavity, respectively;

10. The patch-type push-button switch according to claim 8, wherein said second ground wire clip, said conductive stationary contact, said conductive movable contact, and said second neutral wire clip rest on a port of said upper housing and are compressed by said lower end cap.