CN216698765U

CN216698765U - Mounting structure of wiring terminal subassembly

Info

Publication number: CN216698765U
Application number: CN202220204560.9U
Authority: CN
Inventors: 顾怡文; 沈惠新; 夏颖异
Original assignee: Changshu Switchgear Manufacturing Co Ltd
Current assignee: Changshu Switchgear Manufacturing Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-07
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a mounting structure of wiring terminal subassembly, including the fixed plate, the fixed plate on seted up the mounting hole unit, the wiring terminal subassembly including setting up the binding post in the mounting hole unit, binding post include input and output, and the input is located the inboard of fixed plate, the output passes the outside that the mounting hole unit is located the fixed plate, mounting structure still including the fixed first mounting panel that sets up on the fixed plate, first mounting panel on seted up first U type groove, first U type groove card is established between input and output, realizes binding post and deviates from in the mounting hole unit in order to prevent binding post from the ascending spacing of fixed plate inside and outside orientation. The advantages are that: the assembly structure is simple, and the maintenance can be carried out in time when a fault occurs; the socket part of the wiring terminal is arranged on the outer side surface of the drawer seat, and the connection mode that the terminal is integrally plugged and pulled out is adopted for the wiring terminal and the control cable, so that the overhaul and the maintenance of a user are facilitated.

Description

Mounting structure of wiring terminal subassembly

Technical Field

The utility model belongs to the technical field of accessories of switch equipment, and particularly relates to a mounting structure of a wiring terminal assembly.

Background

For the acquisition and transmission of internal signals, terminals are usually used in switchgear assemblies. Generally, a connecting terminal in a switch device comprises a movable connecting terminal and a static connecting terminal, wherein the movable connecting terminal is installed on a change-over switch body and connected with an internal circuit, the static connecting terminal is installed on a drawer seat and connected with an external circuit, and the connection of the whole circuit can be realized through the electric connection of the movable connecting terminal and the static connecting terminal. The static wiring terminal on the drawer seat is generally formed by splicing a plurality of junction boxes, an internal circuit is connected into the junction boxes, and then the internal circuit is connected with the functional module and the controller through a junction box external control cable. The independently installed connecting terminal often leads to the oversize of product, is unfavorable for product miniaturization design, does not conform to the trend of current product development.

In order to solve the defects, a connecting terminal is arranged on a side plate of a drawer base instead of a product, but the problems caused by the connecting terminal are that the structure is complex, the installation and the disassembly and the repair are complex, and the labor cost is high when the maintenance work is carried out.

In view of the above-mentioned prior art, the applicant has made an advantageous design, and the technical solutions to be described below have been made in this context.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a mounting structure of a terminal assembly, which is simple in structure, convenient in maintenance and convenient in connection between a control cable and a terminal.

The object of the present invention is achieved by a mounting structure of a terminal assembly, comprising a fixing plate, the fixing plate is provided with a mounting hole unit which is penetrated from one side of the fixing plate to the other side, the wiring terminal assembly comprises a wiring terminal arranged in the mounting hole unit, the connecting terminal comprises an input end for receiving the internal signal and an output end for transmitting the internal signal to an external controller, the input end and the output end are electrically connected, the input end is positioned at the inner side of the fixed plate, the output end passes through the mounting hole unit and is positioned at the outer side of the fixed plate, the mounting structure still including fixed first mounting panel that sets up on the fixed plate, first mounting panel on seted up first U type groove, first U type groove card is established between input and output, realizes binding post spacing in the inside and outside orientation of fixed plate in order to prevent that binding post from deviating from in the mounting hole unit.

In a specific embodiment of the present invention, the output end includes a socket groove and a stopper disposed at an end of the socket groove, and the mounting plate is clamped between the stopper and a wall of the input end near the output end.

In another embodiment of the present invention, the mounting hole unit includes a wide portion hole through which the socket slot passes, and an end of the wide portion hole forms a narrow portion hole through which the stopper passes.

In another specific embodiment of the utility model, a connecting part is arranged between the input end and the output end, one end of the connecting part abuts against the bottom wall of the first U-shaped groove, and the other end of the connecting part abuts against the bottom edge of the hole of the wide part, so that the limiting of the connecting terminal in the vertical direction of the fixing plate is realized; two first lateral walls in first U type groove are leaned on with the left and right sides counterbalance of connecting portion, realize binding post spacing in the fixed plate fore-and-aft direction.

In another specific embodiment of the present invention, the mounting structure further includes a second mounting plate fixedly disposed on the fixing plate, the second mounting plate is provided with a second U-shaped groove, the second U-shaped groove is clamped between the input end and the output end, and the second mounting plate and the first mounting plate are disposed in an up-and-down symmetrical manner with respect to the terminal.

In a further embodiment of the utility model, the second bottom wall of the second U-shaped groove abuts against the other end of the connecting portion opposite to the first mounting plate.

In a further specific implementation of the present invention, the two second side walls of the second U-shaped groove abut against the left and right sides of the connecting portion.

In a more specific embodiment of the present invention, the terminal assembly further includes a housing, and the housing is disposed outside the terminal.

In yet another specific embodiment of the present invention, the input terminal and the output terminal are vertically disposed.

In yet a further specific embodiment of the present invention, the first mounting plate is an insulating plate.

Due to the adoption of the structure, compared with the prior art, the utility model has the beneficial effects that: the mounting plates are adopted for clamping, the assembly structure is simple, and the maintenance and the overhaul can be carried out in time when a fault occurs; because the socket part of the wiring terminal is arranged on the outer side surface of the fixing plate, the connection mode of integrally plugging and unplugging the terminal is adopted between the socket part and the control cable, and the overhaul and the maintenance of a user are facilitated.

Drawings

Fig. 1 is a schematic view illustrating the installation of the terminal assembly of the present invention on a drawer base.

Fig. 2 is an assembly diagram of the connecting terminal and the mounting plate of the present invention on the fixing plate.

Fig. 3 is an exploded view of the terminal and mounting plate of the present invention assembled to a mounting plate.

Fig. 4 is a schematic structural view of the connection terminal according to the present invention.

Fig. 5 is a schematic structural diagram of the mounting plate according to the present invention.

Fig. 6 is a schematic structural diagram of the first mounting plate and the second mounting plate according to the present invention.

Fig. 7 is an assembly diagram of the casing and the mounting plate on the fixing plate of the drawer base according to the present invention.

Fig. 8 is an exploded view of the cover, terminals and mounting plate of the present invention assembled to a mounting plate.

In the figure: 1. drawer seat, 11, fixing plate, 111, mounting hole unit, 1111, wide part hole, 11111, bottom edge, 11112, top edge 1112, narrow part hole; 2. the wiring terminal assembly comprises a wiring terminal assembly, 21, a wiring terminal, 211, a wiring part, 2111, a wall body, 212, a socket body, 2121, a socket groove, 21211, a wiring post, 2122, a limiting block, 213, a connecting part, 22, a first mounting plate, 221, a first U-shaped groove, 2211, a first bottom wall, 2212, a first side wall, 23, a second mounting plate, 231, a second U-shaped groove, 2311, a second bottom wall, 2312, a second side wall and 24 a cover shell.

Detailed Description

The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes in form and not essential to the inventive concept should be regarded as the protection scope of the present invention.

In the following description, any concept related to the directionality (or the directional nature) of up, down, left, right, front, and rear is intended to facilitate understanding by the public, and thus should not be construed as particularly limiting the technical solution provided by the present invention, with respect to the position state in which the drawings are being described.

Referring to fig. 1 to 3, the present invention relates to a mounting structure of a terminal assembly, including a fixing plate 11, wherein the fixing plate 11 is provided with a mounting hole unit 111 penetrating from one side to the other side of the fixing plate 11. The wiring terminal assembly 2 comprises a wiring terminal 21 and a first mounting plate 22, the wiring terminal 21 comprises an input end 211 for receiving an internal signal and an output end 212 for transmitting the internal signal to an external controller, and the input end 211 and the output end 212 are vertically arranged and electrically connected with each other. The connection terminal 21 is disposed in the mounting hole unit 111 such that the input terminal 211 is located at the inner side of the fixing plate 11 and the output terminal 212 passes through the mounting hole unit 111 and is located at the outer side of the fixing plate 11, thereby achieving through-wall mounting. Because the output end 212 is arranged on the outer side surface of the fixing plate 11, the connection mode of integrally plugging and pulling the terminal is adopted between the output end and the control cable, and the overhaul and the maintenance of a user are facilitated. The mounting hole unit 111 may have any shape as long as it is convenient for the terminal block 21 to pass through. First mounting panel 22 on be provided with first U type groove 221, first U type groove 221 card is established between input 211 and output 212, first mounting panel 22 fixed mutually with fixed plate 11 at the inboard of fixed plate 11, just so realized binding post 21 spacing in fixed plate 11 inside and outside direction to prevent that binding post 21 from deviating from in mounting hole unit 111.

Further, referring to fig. 4, the output end 212 includes a socket groove 2121 extending in a height direction and a stopper 2122 disposed at an end of the socket groove 2121, and a plug 21211 is disposed in the socket groove 2121 and connected to an external controller through the plug 21211. The first mounting plate 22 is clamped between the limiting block 2122 and the wall 2111 of the input end 211 close to the output end 212, one side of the first mounting plate 22 abuts against the limiting block 2122, and the other side abuts against the wall 2111.

Further, referring to fig. 5 in combination with fig. 4, the mounting hole unit 111 includes a wide portion hole 1111 through which the socket groove 2121 passes, and the wide portion hole 111 has narrow portion holes 1112 through which the stopper 2122 passes at both ends.

Further, referring to fig. 4, a connection 213 is disposed between the input end 211 and the output end 212. In this embodiment, for example, the first mounting plate 22 is disposed above the upper half of the connecting portion 213, and accordingly, the stopper 2122 only needs to be disposed above the socket groove 2121, and the corresponding narrow portion hole 1112 is also disposed at the upper end of the wide portion hole 111. One end of the connecting part 213 abuts against the bottom wall 2211 of the first U-shaped groove 221, and the other end abuts against the bottom edge 11111 below the wide part hole 1111, so that the connection terminal 21 is limited in the vertical direction of the fixing plate 11; two first side walls 2212 of the first U-shaped groove 221 abut against the left side and the right side of the connecting portion 213, so that the connection terminal 21 is limited in the front-back direction of the fixing plate 11.

If the first mounting plate 22 is disposed below the lower half of the connecting portion 213, the lower end of the connecting portion 213 abuts against the bottom wall 2211 of the first U-shaped groove 221, and the other end abuts against the top edge 11112 above the wide portion hole 1111, so as to limit the connecting terminal 21 in the vertical direction of the fixing plate 11; the two first side walls 2212 of the first U-shaped groove 221 abut against the left and right sides of the connecting portion 213, so that the connection terminal 21 is limited in the front-rear direction of the fixing plate 11.

Furthermore, the connecting terminal 21 also has a better installation mode. Referring to fig. 6 in combination with fig. 1 and fig. 2, the mounting structure further includes a second mounting plate 23 fixedly disposed on the fixing plate 11, the second mounting plate 23 is provided with a second U-shaped groove 231, the second U-shaped groove 231 is clamped between the input end 211 and the output end 212, and the second mounting plate 23 and the first mounting plate 22 are disposed in a vertically symmetrical manner relative to the connection terminal 21. One side of the first mounting plate 22 and the second mounting plate 23 is attached to the limiting block 2122, and the other side of the first mounting plate 22 and the second mounting plate 23 is attached to the wall 2111, so that the limiting of the wiring terminal 21 in the inner and outer directions of the fixing plate 11 is realized. When the first mounting plate 22 and the second mounting plate 23 are spliced, the first U-shaped groove 221 and the second U-shaped groove 231 are spliced to form a through hole corresponding to the wide part hole 1111. In this embodiment, the first mounting plate 22 and the second mounting plate 23 are both insulating plates, and the whole is fixed to the fixing plate 11 through the mounting holes on the first mounting plate 22 and the second mounting plate 23. Specifically, taking the case that the first mounting plate 22 is disposed above the connection terminal 21 and the second mounting plate 23 is disposed below the connection terminal 21 as an example, the first bottom wall 2211 of the first U-shaped groove 221 abuts against the top of the upper half of the connection portion 213, and the second bottom wall 2311 of the second U-shaped groove 231 abuts against the bottom of the lower half of the connection portion 213, so as to limit the connection terminal 21 in the vertical direction of the fixing plate 11; the two first side walls 2212 of the first U-shaped groove 221 abut against the left and right sides of the upper half portion of the connecting portion 213, and the two second side walls 2312 of the second U-shaped groove 231 abut against the left and right sides of the lower half portion of the connecting portion 213, so that the limiting of the connecting terminal 21 in the front-back direction of the fixing plate 11 is realized.

More preferably, referring to fig. 7 and 8, the terminal assembly 2 further includes a cover 24, and the cover 24 is disposed outside the terminal block 21. Through the setting of housing 24, can prevent effectively that the pencil that inserts input 221 from contacting the electrified body, increase the insulating distance. The shape of the housing 24 may be set arbitrarily as long as the terminal 21 can be covered effectively. In the present embodiment, the housing 24 is fixed to the first mounting plate 22 and the second mounting plate 23, but it is also possible to fix the housing directly to the fixing plate 11. The wiring terminal assembly 2 can be applied to a draw-out type switch device, the draw-out type switch device comprises a switch body and a drawer seat 1, the drawer seat 1 comprises a fixing plate 11, and usually, the fixing plate 11 is a side plate of the drawer seat. According to the actual requirement, the connection terminal 21 can be one or more, and can be used for transmitting various signals, such as current sampling, a switching state signal, a drawer seat position signal and the like. Taking the first mounting plate 22 as an example, when only one connecting terminal 21 is needed, only one first U-shaped groove 221 needs to be formed in the first mounting plate 22; when two or more connecting terminals 21 are required, two or more first U-shaped grooves 221 may be formed in the first mounting plate 22, or two or more first mounting plates 22 may be used, and then one first U-shaped groove 221 is formed in the first mounting plate 22. The second mounting plate 23 is treated as the first mounting plate 22.

Claims

1. The utility model provides an installation structure of terminal subassembly, including fixed plate (11), fixed plate (11) on set up from one side of fixed plate (11) run through to the mounting hole unit (111) of opposite side, terminal subassembly (2) including setting up binding post (21) in mounting hole unit (111), binding post (21) including be used for receiving internal signal input (211) and be used for transmitting internal signal to external control ware output (212), electrically connect between input (211) and output (212), and input (211) are located the inboard of fixed plate (11), output (212) pass mounting hole unit (111) and are located the outside of fixed plate (11), its characterized in that: mounting structure still including fixed first mounting panel (22) of setting on fixed plate (11), first mounting panel (22) on seted up first U type groove (221), first U type groove (221) card is established between input (211) and output (212), realizes binding post (21) and deviates from in order to prevent binding post (21) follow mounting hole unit (111) in the ascending spacing of fixed plate (11) inside and outside direction.

2. A terminal assembly mounting structure according to claim 1, wherein the output terminal (212) includes a socket groove (2121) and a stopper (2122) provided at an end of the socket groove (2121), and the first mounting plate (22) is engaged between the stopper (2122) and a wall (2111) of the input terminal (211) on a side close to the output terminal (212).

3. A mounting structure of a terminal assembly according to claim 2, wherein the mounting hole unit (111) includes a wide portion hole (1111) through which the socket groove (2121) passes, and an end of the wide portion hole (1111) forms a narrow portion hole (1112) through which the stopper (2122) passes.

4. The mounting structure of a terminal assembly according to claim 3, wherein a connecting portion (213) is provided between the input end (211) and the output end (212), one end of the connecting portion (213) abuts against the bottom wall (2211) of the first U-shaped groove (221), and the other end abuts against the bottom edge (11111) of the wide portion hole (1111), so that the terminal (21) is limited in the up-down direction of the fixing plate (11); two first side walls (2212) of the first U-shaped groove (221) are abutted against the left side and the right side of the connecting part (213), so that the limiting of the wiring terminal (21) in the front-back direction of the fixing plate (11) is realized.

5. The mounting structure of a terminal assembly according to claim 4, wherein the mounting structure further includes a second mounting plate (23) fixedly disposed on the fixing plate (11), the second mounting plate (23) is provided with a second U-shaped groove (231), the second U-shaped groove (231) is clamped between the input end (211) and the output end (212), and the second mounting plate (23) and the first mounting plate (22) are disposed up and down symmetrically with respect to the terminal (21).

6. A mounting structure of a terminal assembly according to claim 5, wherein the second bottom wall (2311) of the second U-shaped groove (231) abuts on the other end of the connecting portion (213) opposite to the first mounting plate (22).

7. The terminal assembly mounting structure according to claim 6, wherein the two second side walls (2312) of the second U-shaped groove (231) abut against the left and right sides of the connecting portion (213).

8. A mounting structure of a terminal assembly according to claim 1, wherein said terminal assembly (2) further comprises a cover (24), said cover (24) being disposed outside said terminal (21).

9. A terminal block assembly mounting structure according to claim 1, wherein the input terminal (211) and the output terminal (212) are vertically arranged.

10. The mounting structure of a junction terminal assembly according to claim 5, wherein the first mounting plate (22) and the second mounting plate (23) are insulating plates.