CN215377252U

CN215377252U - Switch ground wire mounting structure

Info

Publication number: CN215377252U
Application number: CN202120384444.5U
Authority: CN
Inventors: 康福朗; 陈郁葱; 梁锡强
Original assignee: Guangdong Futina Electrical Co Ltd
Current assignee: Guangdong Futina Electrical Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-12-31
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses a switch ground wire mounting structure which comprises a switch frame, a rear core assembly, a ground wire connecting piece and a ground wire connecting terminal, wherein the ground wire connecting terminal is connected with the ground wire connecting piece; the switch frame is provided with a limiting part, the ground wire connecting sheet is provided with a limited part, and the limited part is abutted against the limiting part so as to prevent the plug-in part from falling out of the jack; the rear core assembly is fixed to the switch frame, and the ground wire connecting piece is limited between the rear core assembly and the switch frame. The production time can be reduced to improve the production benefit, and meanwhile, the labor cost is reduced.

Description

Switch ground wire mounting structure

Technical Field

The utility model relates to the technical field of switches, in particular to a switch ground wire installation structure.

Background

The switch is generally mainly composed of a cassette, a rear core assembly, and a switch frame. The back core assembly is an element which is respectively connected with the phase line and the zero line, namely an electrified element. Wherein, the cassette is generally embedded in the wall body and fixed on the wall body, the rear core assembly is fixed on the switch frame, and then the switch frame is fixedly connected with the cassette, so that the rear core assembly is reliably fixed. Wherein, the ground wire of the switch is connected with the shell (the combination of the shell, namely the cassette and the switch frame), when the phase wire is loosened and contacted with the cassette, the phase wire → the cassette → the switch frame → the ground wire forms a loop until the power supply trips, thereby forming the leakage protection.

Therefore, when the switch is connected with the ground wire, the ground wire connecting piece generally needs to be riveted with the switch frame through a riveting process in the processing and manufacturing process of the switch so as to fix the ground wire connecting piece; however, the riveting process generally needs to be completed by workers, so that the production time is increased, the production efficiency is reduced, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a switch ground wire mounting structure which can reduce the production time to improve the production efficiency and reduce the labor cost.

The purpose of the utility model is realized by adopting the following technical scheme:

the switch ground wire mounting structure comprises a switch frame, a rear core assembly, a ground wire connecting sheet and a ground wire connecting terminal, wherein the ground wire connecting terminal is connected with the ground wire connecting sheet, the switch frame is provided with a jack, and a plugging part of the ground wire connecting sheet is inserted into the jack; the switch frame is provided with a limiting part, the ground wire connecting sheet is provided with a limited part, and the limited part is abutted against the limiting part so as to prevent the plug-in part from falling out of the jack; the rear core assembly is fixed to the switch frame, and the ground wire connecting piece is limited between the rear core assembly and the switch frame.

Further, the plugging portion of the ground wire connecting piece is horizontally inserted into the jack and is limited by the wall of the jack to prevent the plugging portion from moving in the vertical direction.

Furthermore, a through hole is formed in one side, close to the rear core assembly, of the switch frame, the through hole extends in the direction close to the jack until the through hole is communicated with the jack, the jack is connected with a conductor, and two ends of the conductor are respectively connected with the inserting part and an external cassette.

Furthermore, the ground wire connecting piece is of a strip structure, two ends of the ground wire connecting piece are respectively formed into the inserting parts, and the two inserting parts are respectively connected with the two inserting holes of the switch frame in a one-to-one correspondence mode.

Furthermore, the ground wire connecting piece is connected with a terminal extrusion piece, the ground wire connecting terminal is provided with a wiring hole, and the terminal extrusion piece is inserted into the wiring hole and is used for extruding the ground wire together with a screw of the ground wire connecting terminal.

Furthermore, the side surface of the terminal extrusion piece facing the screw is provided with anti-skid stripes.

Furthermore, the rear core assembly is provided with an accommodating cavity, and the ground wire connecting terminal is limited in the accommodating cavity by the rear core assembly.

Furthermore, one of the limited part and the limiting part is a limiting hole, the other is a limiting post, and the limiting hole is matched with the limiting post.

Compared with the prior art, the utility model has the beneficial effects that:

1. the insertion part of the ground wire connecting sheet is inserted through the insertion hole of the switch frame, so that the ground wire connecting sheet is connected with the switch frame in an insertion mode, a riveting process is not needed, the process can be simplified to improve the production benefit, and the worker cost of the riveting process is saved.

2. Through the ground wire connecting piece by the spacing portion of restriction portion and switch frame cooperate to prevent that grafting portion from falling out in the jack, tentatively fix the ground wire connecting piece promptly.

3. When the rear core assembly is fixed with the switch frame, the ground wire connecting piece is limited between the rear core assembly and the switch frame, and the ground wire connecting piece is further fixed.

Drawings

Fig. 1 is a schematic structural view of a switch ground wire mounting structure of the present invention;

FIG. 2 is an exploded view of the switch ground mounting structure shown in FIG. 1;

FIG. 3 is another exploded view of the switch ground mounting structure shown in FIG. 1;

fig. 4 is a schematic structural view of the ground connection tab shown in fig. 1.

In the figure: 1. a switch frame; 11. a jack; 12. a limiting part; 13. a through hole; 2. a rear core assembly; 21. an accommodating chamber; 3. a ground wire connecting sheet; 31. a plug-in part; 32. a restricted portion; 33. a terminal pressing piece; 331. anti-skid stripes; 4. a ground wire connecting terminal; 41. and a wiring hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, "vertical," "horizontal," "left," "right," and similar expressions are for purposes of illustration only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a switch ground wire mounting structure according to a preferred embodiment of the present invention includes a switch frame 1, a rear core assembly 2, a ground wire connecting piece 3, and a ground wire connecting terminal 4. The ground wire connecting terminal 4 is fixedly connected with the ground wire connecting sheet 3, the switch frame 1 is provided with the jack 11, and the inserting part 31 of the ground wire connecting sheet 3 is inserted into the jack 11, namely, the ground wire connecting sheet 3 is connected with the switch frame 1 in an inserting mode, so that a riveting process is not needed, the process can be simplified to improve the production benefit, and the worker cost of the riveting process is saved. The switch frame 1 is provided with a limiting part 12, the ground wire connecting piece 3 is provided with a limited part 32, and the limited part 32 is abutted against the limiting part 12 to prevent the plugging part 31 from falling out of the jack 11. The rear core assembly 2 is fixed to the switch frame 1 and the ground connection piece 3 is confined between the rear core assembly 2 and the switch frame 1. Therefore, the installation process sequence is that the inserting part 31 of the ground wire connecting sheet 3 is inserted into the inserting hole 11, then the limited part 32 is matched with the limiting part 12, and the ground wire connecting sheet 3 is limited between the rear core assembly 2 and the switch frame 1 through the rear core assembly 2.

Obviously, the insertion part 31 of the ground wire connecting piece 3 is inserted through the insertion hole 11 of the switch frame 1, so that the ground wire connecting piece 3 is connected with the switch frame 1 in an insertion mode, a riveting process is not needed, the process can be simplified to improve the production benefit, and the worker cost of the riveting process is saved. The limited part 32 of the ground wire connecting piece 3 is matched with the limiting part 12 of the switch frame 1, so that the plugging part 31 is prevented from falling out of the jack 11, namely, the ground wire connecting piece 3 is preliminarily fixed. When fixed with switch frame 1 through back core subassembly 2, restrict ground wire connection piece 3 between back core subassembly 2 and switch frame 1, further fix ground wire connection piece 3 promptly.

As a further preferred embodiment, the plug part 31 of the ground lug 3 is inserted horizontally into the insertion hole 11 and is restrained by the hole wall of the insertion hole 11 to prevent the plug part 31 from moving in the vertical direction. Obviously, the horizontal direction of the restricted portion 32 is also restricted by the limiting portion 12 at this time, so that the connection stability between the switch frame 1 and the ground connection piece 3 can be effectively ensured.

As a further preferred embodiment, a through hole 13 is opened on one side of the switch frame 1 near the rear core assembly 2, the through hole 13 extends in a direction near the insertion hole 11 until communicating with the insertion hole 11, the insertion hole 11 is connected with a conductor (not shown in the figure), and two ends of the conductor are respectively connected with the plug part 31 and the cassette. This is arranged to use the through hole 13 as a bridge for the cassette to communicate with the plug 31.

As a further preferred embodiment, the ground wire connecting piece 3 is in a strip structure, two ends of the ground wire connecting piece 3 are respectively formed into one inserting portion 31, and the two inserting portions 31 are respectively connected with the two inserting holes 11 of the switch frame 1 in a one-to-one correspondence manner. Thus, the connection stability of the ground connection piece 3 can be improved.

In a further preferred embodiment, the ground connection piece 3 is connected with a terminal pressing piece 33, the ground connection terminal 4 is opened with a connection hole 41, and the terminal pressing piece 33 is inserted into the connection hole 41 and presses the ground together with a screw of the ground connection terminal 4. Obviously, the ground wire connecting terminal 4 and the ground wire connecting piece 3 are detachably connected at this time, that is, when the screw is loosened, the ground wire connecting terminal 4 is in a movable state, and after the screw extrudes the ground wire onto the terminal extrusion piece 33, the ground wire connecting terminal 4 and the ground wire connecting piece 3 are fixed to each other; compared with the prior art that the ground wire connecting terminal 4 needs to be riveted to the ground wire connecting piece 3, the arrangement mode not only saves the riveting process, but also further saves the expensive labor cost of the riveting process.

In a more preferred embodiment, the terminal pressing piece 33 has an anti-slip stripe 331 formed on a side surface thereof facing the screw, and the anti-slip stripe 331 increases a frictional force between the ground wire and the terminal pressing piece 33, thereby preventing the ground wire from being loosened.

Further, back core subassembly 2 has been seted up and has been held chamber 21, and ground wire binding post 4 is restricted in holding chamber 21 by back core subassembly 2, and obviously, restricts ground wire binding post 4 through holding chamber 21, can improve the ability that prevents that ground wire binding post 4 is not hard up.

Further, one of the limited portion 32 and the limiting portion 12 is a limiting hole, and the other is a limiting post, and the limiting hole is matched with the limiting post. It is understood that, alternatively, one of the limited portion 32 and the limiting portion 12 is a first limiting surface, and the other is a second limiting surface; alternatively, the restricted portion 32 and the stopper portion 12 may be fixed by welding, bonding, or the like.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. Switch ground wire mounting structure, including switch frame (1), back core subassembly (2), ground wire connection piece (3) and ground wire binding post (4), ground wire binding post (4) with ground wire connection piece (3) are connected, its characterized in that: the switch frame (1) is provided with a jack (11), and the insertion part (31) of the ground wire connecting sheet (3) is inserted into the jack (11); the switch frame (1) is provided with a limiting part (12), the ground wire connecting piece (3) is provided with a limited part (32), and the limited part (32) is abutted against the limiting part (12) to prevent the plugging part (31) from falling out of the jack (11); the rear core assembly (2) is fixed to the switch frame (1), and the ground wire connecting piece (3) is limited between the rear core assembly (2) and the switch frame (1).

2. The switch ground mounting structure of claim 1, wherein: the plugging part (31) of the ground wire connecting piece (3) is horizontally inserted into the insertion hole (11) and is limited by the hole wall of the insertion hole (11) to prevent the plugging part (31) from moving along the vertical direction.

3. The switch ground mounting structure of claim 2, wherein: a through hole (13) is formed in one side, close to the rear core assembly (2), of the switch frame (1), the through hole (13) extends in the direction close to the insertion hole (11) until the through hole is communicated with the insertion hole (11), the insertion hole (11) is connected with a conductor, and two ends of the conductor are respectively connected with the insertion part (31) and an external cassette.

4. The switch ground mounting structure of claim 1, wherein: the ground wire connecting piece (3) is of a strip structure, two ends of the ground wire connecting piece (3) are respectively formed into the inserting parts (31), and the two inserting parts (31) are respectively connected with the two inserting holes (11) of the switch frame (1) in a one-to-one correspondence mode.

5. The switch ground mounting structure of claim 1, wherein: the ground wire connecting piece (3) is connected with a terminal extrusion piece (33), the ground wire connecting terminal (4) is provided with a wiring hole (41), and the terminal extrusion piece (33) is inserted into the wiring hole (41) and is used for extruding the ground wire together with a screw of the ground wire connecting terminal (4).

6. The switch ground mounting structure of claim 5, wherein: the side surface of the terminal extrusion sheet (33) facing the screw is provided with an anti-slip stripe (331).

7. The switch ground mounting structure of claim 5, wherein: the rear core assembly (2) is provided with an accommodating cavity, and the ground wire wiring terminal (4) is limited in the accommodating cavity by the rear core assembly (2).

8. The switch ground mounting structure of claim 1, wherein: one of the limited part (32) and the limiting part (12) is a limiting hole, the other is a limiting column, and the limiting hole is matched with the limiting column.