CN213520344U

CN213520344U - Wiring terminal assembly

Info

Publication number: CN213520344U
Application number: CN202022551210.3U
Authority: CN
Inventors: 刘勇; 王斌; 刘时胜; 李阳智; 付志军
Original assignee: Jiangxi Hangtong Electric Technology Co ltd; Shanghai Retel Electric Technology Co ltd
Current assignee: Jiangxi Hangtong Electric Technology Co ltd; Shanghai Retel Electric Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-22
Anticipated expiration: 2030-11-06

Abstract

The utility model provides a wiring terminal assembly, which relates to the technical field of circuit breakers and comprises a shell, wherein one side inside the shell is spirally connected with a wiring screw, the lower end of the wiring screw is provided with a wiring nut, the outer side of the lower end of the shell is provided with a wiring frame, one side of the shell is nested and butted with an upper fixing plate, the lower end of the upper fixing plate is provided with a lower fixing plate, the inner part of the shell swings with a wiring elastic sheet, one side of the lower end of the wiring elastic sheet is pressed with a pressing tongue, a reset spring is arranged, when the wiring screw is withdrawn upwards, the wiring elastic sheet is reset along with the wiring screw under the action of the reset spring, so as to facilitate wiring and disconnecting, the wiring elastic sheet is provided with an integrated rotating boss, the wiring elastic sheet is rotated on the fixing plate to compress wires with, the binding nut and the fixing plate can be connected together by welding.

Description

Wiring terminal assembly

Technical Field

The utility model relates to a circuit breaker technical field, more specifically relates to a binding post subassembly.

Background

The circuit breaker is a switch device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, when the circuit breaker is connected, a connecting terminal assembly is needed for connection, and the connecting terminal is an accessory product for realizing electrical connection and is industrially divided into the category of connectors;

when the wiring terminal is used for wiring an internal circuit of the circuit breaker, different wires cannot be wired according to the sectional areas of the wires, so that the wiring terminal is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the wiring terminal can not carry out wiring to different wires according to the sectional area of wire in the background to provide a wiring terminal assembly.

In order to achieve the above object, the utility model provides a following technical scheme: a wiring terminal assembly comprises a shell, wherein a wiring screw is spirally connected to one side in the shell, a wiring nut is installed at the lower end of the wiring screw, and a wiring frame is installed on the outer side of the lower end of the shell;

an upper fixing plate is nested and butted on one side of the shell, a lower fixing plate is installed at the lower end of the upper fixing plate, a wiring elastic sheet swings in the shell, and a pressing tongue is movably pressed on one side of the lower end of the wiring elastic sheet;

the shell is characterized in that one side, close to the wiring elastic sheet, of the shell is elastically connected with a reset spring, the other end of the reset spring abuts against a bent wall in the wiring elastic sheet, the wiring elastic sheet is under spring tension, symmetrical waist-shaped sliding grooves are formed in the upper fixing plate and the lower fixing plate, symmetrical limiting columns are arranged on the wiring elastic sheet at the waist-shaped sliding grooves, and the limiting columns slide on the waist-shaped sliding grooves to limit wiring and disconnection of the wiring elastic sheet.

Preferably, there is the spacing post of symmetry both sides of wiring shell fragment, and spacing post sliding connection is in waist shape spout, the wiring shell fragment is horizontal hunting through the binding screw, and the wiring shell fragment passes through the screw and rotates the left side of shell.

Preferably, the reset spring is connected with the wiring elastic sheet, the wiring elastic sheet is extruded and stressed by a screw, the reset spring slides together with the wiring elastic sheet, when the screw returns, the wiring elastic sheet is not extruded by the screw, and the reset spring pulls back the wiring elastic sheet to reset.

Preferably, the upper end of the wiring elastic sheet is arranged in a semicircular arc shape, symmetrical integrated rotary bosses are arranged at the upper end and the lower end of the wiring elastic sheet, and the integrated rotary bosses on the wiring elastic sheet are matched with the upper fixing plate and the lower fixing plate for use.

Preferably, the binding screw is vertically and spirally movable, and the binding nut is fixed between the upper fixing plate and the lower fixing plate.

The utility model provides a binding post subassembly has following beneficial effect:

1. the wiring terminal assembly is provided with the wiring screw, when a square wire needs to be wired, the wiring screw is screwed down manually, and the tail end of the wiring elastic sheet is used as a force application point, so that the wiring is reliable; when the maximum lead needs to be wired, the manual wiring screw is screwed down, the middle pressing tongue of the wiring elastic sheet provides elasticity, the maximum lead is tightly pressed, and the wiring is reliable;

2. this kind of binding post subassembly is provided with reset spring, when binding screw upwards withdraws from, the wiring shell fragment is under reset spring effect, it resets to follow the binding screw, make things convenient for wiring and stitches removing, be equipped with the rotatory boss of integral type on the wiring shell fragment, cooperation upper fixed plate and bottom plate, make the wiring shell fragment rotate on the fixed plate and compress tightly the wire of different sectional areas, improve the wiring reliability, the wiring nut is fixed in the middle of upper fixed plate and bottom plate, accessible welded mode links together wiring nut and fixed plate, can make the wiring nut bear bigger torsion, improve the reliability of wiring, be equipped with waist type spout on upper fixed plate and the bottom plate, the spacing post on the cooperation wiring shell fragment, it is spacing to connect the positive wiring in-process of wiring shell fragment, it is too big to prevent torsion, cause unrecoverable's damage to the wiring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure section of the present invention.

Fig. 3 is a schematic view of the overall structure section of the present invention.

Fig. 4 is a schematic diagram of the structure of the wiring spring plate of the present invention.

In FIGS. 1-4: 1-shell, 101-wiring screw, 102-wiring nut, 103-wiring frame, 2-upper fixing plate, 201-lower fixing plate, 3-wiring elastic sheet, 301-pressing tongue, 4-reset spring, 401-waist-shaped sliding groove and 402-limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a terminal assembly includes a housing 1, a terminal screw 101 is screwed on one side inside the housing 1, a terminal nut 102 is installed at a lower end of the terminal screw 101, and a terminal frame 103 is installed outside a lower end of the housing 1;

an upper fixing plate 2 is nested and butted on one side of a shell 1, a lower fixing plate 201 is installed at the lower end of the upper fixing plate 2, a wiring elastic sheet 3 swings in the shell 1, and a pressing tongue 301 is movably pressed on one side of the lower end of the wiring elastic sheet 3;

one side elastic connection that the shell 1 is inside to be close to wiring shell fragment 3 has reset spring 4, and the reset spring 4 other end is near on the curved wall inside wiring shell fragment 3, makes wiring shell fragment 3 receive spring tension, is equipped with the waist shape spout 401 of symmetry on upper fixed plate 2 and the bottom plate 201, has the spacing post 402 of symmetry on the wiring shell fragment 3 of waist shape spout 401 department, and spacing post 402 slides on waist shape spout 401 and comes to spacing wiring shell fragment 3 and taking out stitches.

In this embodiment: the two sides of the wiring elastic sheet 3 are provided with symmetrical limiting columns 402, the limiting columns 402 are connected in the waist-shaped sliding groove 401 in a sliding way, the wiring elastic sheet 3 swings left and right through the wiring screw 101, and the wiring elastic sheet 3 is rotated to the left side of the shell 1 through a screw 403, a return spring 4 is arranged, when the wiring screw 101 is withdrawn upwards, the wiring elastic sheet 3 is reset along with the wiring screw 101 under the action of the reset spring 4, so that wiring and disconnection are facilitated, the wiring elastic sheet 3 is provided with an integrated rotating boss which is matched with the upper fixing plate 2 and the lower fixing plate 201, so that the wiring elastic sheet 3 rotates to press wires with different sectional areas, the wiring reliability is improved, the wiring nut 102 is fixed between the upper fixing plate 2 and the lower fixing plate 201, the binding nut 102 can be connected with the fixing plate by welding, so that the binding nut 102 can bear larger torsion and the reliability of binding is improved.

In this embodiment: reset spring 4 is connected with

wiring shell fragment

3, 3 extrusion atress to wiring shell fragment through screw 403, reset spring 4 slides with wiring shell fragment 3 together, when screw 403 returns back, wiring shell fragment 3 does not receive the extrusion of screw 403, reset spring 4 pulls back 3 the drawing of wiring shell fragment and resets, the upper end of wiring shell fragment 3 is the semicircle arcuation setting, the upper and lower both ends of wiring shell fragment 3 are equipped with the rotatory boss of integral type of symmetry, and the rotatory boss of integral type is used with upper fixed plate 2 and bottom plate 201 supporting on the wiring shell fragment 3, through being provided with wiring shell fragment 3, be equipped with waist type spout 401 on upper fixed plate 2 and the bottom plate 201, the upper limit post on the cooperation wiring shell fragment 3, it is spacing to carry out in-process to the positive wiring of wiring shell fragment 3, prevent that torsion is too big, the damage that can't resume.

In this embodiment: the wiring screw 101 is vertically and spirally movable, the wiring nut 102 is fixed between the upper fixing plate 2 and the lower fixing plate 201, the wiring screw 101 is arranged, when a square wire needs to be wired, the wiring screw 101 is manually screwed down, and the tail end of the wiring elastic sheet 3 serves as a force application point, so that the wiring is reliable; when the maximum wire needs to be connected, the manual connection screw 101 is screwed down, the middle pressing tongue 301 of the connection elastic sheet 3 provides elastic force to press the maximum wire, and the connection is reliable.

When the wiring terminal assembly is used, firstly, when a wire with a small cross section is connected, the wiring screw 101 is screwed down manually, and the tail end of the wiring elastic piece 3 is used as an application force point, so that the wiring is reliable; when a lead with a large cross section is connected, the wiring screw 101 is screwed down manually, the pressing tongue 301 in the middle of the wiring elastic sheet 3 provides elastic force to compress the lead, when the wiring screw 101 withdraws upwards, the wiring elastic sheet 3 resets along with the wiring screw 101 under the action of the reset spring 4, so that the wiring and the disconnection are convenient, the wiring elastic sheet 3 is provided with an integrated rotating boss which is matched with the upper fixing plate 2 and the lower fixing plate 201 to ensure that the wiring elastic sheet 3 rotates on the fixing plate to compress the leads with different cross sections, so that the wiring reliability is improved, the wiring nut 102 is fixed in the middle of the upper fixing plate 2 and the lower fixing plate 201, the wiring nut 102 can be connected with the fixing plate in a welding way, so that the wiring nut 102 can bear larger torsion and the wiring reliability is improved, and the waist-shaped sliding grooves 401 arranged on the upper fixing plate 2 and the lower fixing plate 201 are matched with the, the wiring process of the wiring elastic sheet 3 is limited, so that the phenomenon that the torque force is too large and the wiring elastic sheet 3 is damaged unrecoverable is avoided.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A terminal assembly, comprising a housing (1), characterized in that: a wiring screw (101) is spirally connected to one side inside the shell (1), a wiring nut (102) is installed at the lower end of the wiring screw (101), and a wiring frame (103) is installed on the outer side of the lower end of the shell (1);

an upper fixing plate (2) is nested and butted on one side of the shell (1), a lower fixing plate (201) is installed at the lower end of the upper fixing plate (2), a wiring elastic sheet (3) swings in the shell (1), and a pressing tongue (301) is movably pressed on one side of the lower end of the wiring elastic sheet (3);

the utility model discloses a connection of shell (1) is characterized in that one side elastic connection that is close to wiring shell fragment (3) in shell (1) is with reset spring (4), and reset spring (4) other end is tightly on the curved wall of wiring shell fragment (3) inside, makes wiring shell fragment (3) receive spring tension, be equipped with waist shape spout (401) of symmetry on upper fixed plate (2) and bottom plate (201), there is spacing post (402) of symmetry on wiring shell fragment (3) of waist shape spout (401) department, and spacing post (402) slide on waist shape spout (401) and come to connect wiring shell fragment (3) and take out stitches and carry on spacingly.

2. The terminal assembly of claim 1, wherein: the both sides of wiring shell fragment (3) have spacing post (402) of symmetry, and spacing post (402) sliding connection is in waist shape spout (401), wiring shell fragment (3) are horizontal hunting through binding screw (101), and wiring shell fragment (3) rotate the left side of shell (1) through screw (403).

3. The terminal assembly of claim 1, wherein: reset spring (4) are connected with wiring shell fragment (3), extrude atress to wiring shell fragment (3) through screw (403), and reset spring (4) slide together with wiring shell fragment (3), and when screw (403) moved back, wiring shell fragment (3) do not receive screw (403) extrusion, and reset spring (4) are pull back the reset of wiring shell fragment (3).

4. The terminal assembly of claim 1, wherein: the upper end of the wiring elastic sheet (3) is in a semicircular arc shape, symmetrical integrated rotary bosses are arranged at the upper end and the lower end of the wiring elastic sheet (3), and the integrated rotary bosses on the wiring elastic sheet (3) are matched with the upper fixing plate (2) and the lower fixing plate (201) for use.

5. The terminal assembly of claim 1, wherein: the wiring screw (101) is vertically and spirally movable, and the wiring nut (102) is fixed between the upper fixing plate (2) and the lower fixing plate (201).