CN214313614U

CN214313614U - Terminal and electrical equipment

Info

Publication number: CN214313614U
Application number: CN202022780552.2U
Authority: CN
Inventors: 杨安; 王周石; 卢科军; 顾斌斌; 李书贤
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-28
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to the field of low-voltage electrical appliances, in particular to a wiring terminal, wherein a screw is arranged on a wiring seat and is in driving fit with a fastener, and the screwing screw drives the fastener to swing so as to tightly press an external wire inserted between the fastener and the wiring seat; the wire holder comprises a first side wall and a second side wall which are oppositely arranged at intervals, and a wire pressing side wall of which two ends are respectively connected with the first side wall and the second side wall in a bending way, and an external lead is tightly pressed between the fastener and the wire pressing side wall; the second side wall comprises a first plate and a second plate which are connected in a staggered mode, the distance between the first plate and the first side wall is smaller than the distance between the second plate and the first side wall, and the external lead is located between the second plate and the first side wall; the wiring terminal is simple and convenient to wire and small in specification and volume; the utility model discloses still relate to one kind and include binding post's electrical equipment, the wiring is simple and convenient, and is favorable to practicing thrift electrical equipment inner space.

Description

Terminal and electrical equipment

Technical Field

The utility model relates to a low-voltage apparatus field, concretely relates to binding post and one include binding post's electrical equipment.

Background

The existing wiring terminal generally compresses/releases an external wire by screwing/unscrewing a wiring screw, so that the reliability of wiring is not high; secondly, in a limited space, the existing connecting terminal cannot be used for accessing a lead with a larger specification (larger diameter); thirdly, the wire holder of the existing wiring terminal adopts a rectangular frame structure, and occupies more installation space.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a connecting terminal which is simple and convenient to wire and has small specification and volume; the electrical equipment comprising the wiring terminal is simple and convenient to wire and is beneficial to saving the internal space of the electrical equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wiring terminal comprises a screw 1, a wiring seat 2 and a fastener 3, wherein the screw 1 is arranged on the wiring seat 2 and is in driving fit with the fastener 3, the screwing screw 1 drives the fastener 3 to swing, and an external lead inserted between the fastener 3 and the wiring seat 2 is pressed tightly; the wire holder 2 comprises a first side wall 22 and a second side wall 23 which are oppositely arranged at intervals, and a wire pressing side wall 21 of which two ends are respectively connected with the first side wall 22 and the second side wall 23 in a bending way, and an external lead is pressed between the fastener 3 and the wire pressing side wall 21; the second side wall 23 includes a first plate 230 and a second plate 231 which are connected in a staggered manner, the distance between the first plate 230 and the first side wall 22 is smaller than the distance between the second plate 231 and the first side wall 22, and the external lead is located between the second plate 231 and the first side wall 22.

Preferably, the second side wall 23 further comprises a bent part 232 at the joint of the first plate 230 and the second plate 231; the fastener 3 comprises a fastener limiting edge 32 arranged on one side of the fastener; when the fastener 3 reaches one end of the swing stroke, the fastener limit edge 32 is in limit fit with the bent part 232.

Preferably, the fastener 3 includes a fastener body 30, a fastener retaining rim 32 is provided on one side of the fastener body 30, and the overall thickness of the fastener retaining rim 32 and the fastener body 30 matches the spacing between the second plate 231 and the first side wall 22.

Preferably, the fastening member 3 includes a fastening shaft 33, the wire holder 2 includes two shaft grooves respectively formed on the first side wall 22 and the second side wall 23, and both ends of the fastening shaft 33 are rotatably disposed in the two shaft grooves.

Preferably, the fastener 3 includes a fastener body 30, a fastener stopper edge 32 and a fastener shaft 33, the fastener body 30 is a triangular prism-shaped structure, the fastener shaft 33 is arranged at one side edge of the triangular prism-shaped structure of the fastener body 30, and the fastener stopper edge 32 is arranged at one side of the fastener body 30; the fastener body 30 comprises a driven side surface 300 and a line pressing side surface 301, one end of the driven side surface 300 and one end of the line pressing side surface 301 are respectively connected with the fastener shaft 33, and the screw 1 is in driving fit with the driven side surface 300 to drive the fastener 3 to swing.

Preferably, the fastener body 30 also includes a fastener weight-reducing slot 304.

Preferably, the fastener retaining rim 32 is formed by a crimping side 301 protruding toward the fastener body 30.

Preferably, a plurality of saw-tooth convex ribs are arranged on the pressing line side surface 301.

An electrical apparatus comprises at least one group of the wiring terminals, each group of the wiring terminals comprises two wiring terminals arranged side by side at intervals, one of the wiring terminals is a first wiring terminal T1, the other one of the wiring terminals is a second wiring terminal T2, and a first plate 230 and a second plate 231 of the first wiring terminal T1 are respectively arranged opposite to a second plate 231 and a first plate 230 of a second wiring terminal T2.

Preferably, a partition 6 is disposed between the first connection terminal T1 and the second connection terminal T2, and the shape of the partition 6 matches with the shape of the second side wall 23.

The utility model discloses a binding post, the structure and the shape of its second lateral wall 23 are favorable to reducing binding post T's whole specification volume, especially when two binding post T set up side by side, can be relative with a binding post's first board 230, second board 231 with another binding post's second board 231, first board 230 respectively to reduce the required assembly space of binding post T.

The utility model discloses an electrical equipment, include binding post, the wiring is convenient and binding post's the arrangement does benefit to the internally mounted space who practices thrift electrical equipment.

Drawings

Fig. 1 is a schematic perspective view of the connection terminal of the present invention;

fig. 2 is a schematic sectional view of the terminal of the present invention;

FIG. 3 is a schematic structural view of the fastener of the present invention;

fig. 4 is a schematic structural view of the connection terminal of the present invention, showing the fitting relationship between the fastener limit edge and the bent portion;

fig. 5 is a schematic structural view of the electric apparatus of the present invention, showing the wiring hole and the screw hole;

fig. 6 is a schematic diagram of the arrangement structure of a group of connection terminals in the electrical equipment, and a partition board is arranged between the two connection terminals.

Detailed Description

The following description will further describe embodiments of the connection terminal and the electrical device of the present invention with reference to the embodiments shown in fig. 1 to 6. The connection terminal and the electric device of the present invention are not limited to the description of the following embodiments.

As shown in fig. 1-4, the terminal T of the present invention includes a screw 1, a wire holder 2 and a fastener 3, wherein the screw 1 is disposed on the wire holder 2 and is in driving fit with the fastener 3, and the screwing screw 1 drives the fastener 3 to swing to compress an external wire inserted between the fastener 3 and the wire holder 2; the wire holder 2 comprises a first side wall 22 and a second side wall 23 which are oppositely arranged at intervals, and a wire pressing side wall 21 of which two ends are respectively connected with the first side wall 22 and the second side wall 23 in a bending way, wherein an external lead is pressed between the fastening piece 3 and the wire pressing side wall 21.

Preferably, as shown in fig. 1 and 4, the second side wall 23 includes a first plate 230 and a second plate 231 which are connected in a staggered manner, the distance between the first plate 230 and the first side wall 22 is smaller than the distance between the second plate 231 and the first side wall 22, and the external lead is located between the second plate 231 and the second side wall 22. The structure and shape of the second sidewall 23 are beneficial to reducing the overall specification volume of the terminal T, and particularly, when two terminals T are arranged side by side, the first plate 230 and the second plate 231 of one terminal can be respectively opposite to the second plate 231 and the first plate 230 of the other terminal, so that the assembly space required by the terminal T is reduced.

Preferably, as shown in fig. 1 and 4, the second side wall 23 further comprises a bent portion 232 at the joint of the first plate 230 and the second plate 231; as shown in fig. 3 and 4, the fastener 3 includes a fastener stopper edge 32 provided on one side thereof; when the fastener 3 reaches one end of the swing stroke, the fastener limit edge 32 is in limit fit with the bent part 232.

Preferably, as shown in fig. 3, the fastening member 3 includes a fastening member main body 30, a fastening member limiting edge 32 is disposed on one side of the fastening member main body 30, and the overall thickness of the fastening member limiting edge 32 and the fastening member main body 30 is matched with the distance between the second plate 231 and the first side wall 22, so that the occurrence of a situation that scattered copper wires of external leads enter the space where the screw 1 is located through the gap between the fastening member 3 and the first side wall 22 and the second plate 231 to affect the reliable and smooth operation of the screw 1 can be avoided.

As shown in fig. 5 and 6, the present invention further discloses an electrical apparatus, which includes at least one set of the terminals T, each set of the terminals T includes two terminals T arranged side by side at intervals, one of the terminals T is a first terminal T1, the other terminal T2 is a second terminal T2, and the first plate 230 and the second plate 231 of the first terminal T1 are respectively arranged opposite to the second plate 231 and the first plate 230 of the second terminal T2, which is beneficial to reducing the assembly space required by the terminals T.

Preferably, a partition plate 6 is arranged between the first connecting terminal T1 and the second connecting terminal T2, and the shape of the partition plate 6 is matched with the shape of the second side wall 23, so that the insulation between the two connecting terminals is improved.

As shown in fig. 1 to 4, an embodiment of the terminal T of the present invention is shown.

As shown in fig. 1 and 2, the terminal T of the present invention includes a screw 1, a terminal base 2 and a fastener 3, wherein the screw 1 is disposed on the terminal base 2 and is in driving fit with the fastener 3, and the screwing screw 1 drives the fastener 3 to swing to compress an external wire inserted between the fastener 3 and the terminal base 2; the wire holder 2 comprises a first side wall 22 and a second side wall 23 which are oppositely arranged at intervals, and a wire pressing side wall 21 of which two ends are respectively connected with the first side wall 22 and the second side wall 23 in a bending way; the external lead is compressed between the fastener 3 and the crimping sidewalls 21.

Preferably, as shown in fig. 1 and 4, the second side wall 23 includes a first plate 230 and a second plate 231 which are connected in a staggered manner, the distance between the first plate 230 and the first side wall 22 is smaller than the distance between the second plate 231 and the first side wall 22, the external lead is located between the second plate 231 and the first side wall 22, and the screw 1 is located between the first plate 230 and the first side wall 22. The above-mentioned structural design of the second side wall 23 is advantageous for reducing the specification volume of the wire holder 2, thereby reducing the specification volume of the entire terminal T and the required installation space.

Preferably, as shown in fig. 1 and 4, the second side wall 23 includes a bent portion 232 at the junction of the first plate 230 and the second plate 231; as shown in fig. 3 and 4, the fastener 3 includes a fastener stopper edge 32 provided on one side thereof; when the fastener 3 reaches one end of the swing stroke, the fastener limit edge 32 is in limit fit with the bending part 232, and when the fastener 3 swings towards the other end of the swing stroke, the external lead is pressed between the line pressing side surface 301 of the fastener 3 and the line pressing side wall 21 of the wire holder 2. Specifically, as shown in fig. 2, the fastening member 3 can swing left and right in the wire holder 2, the fastening member 3 can swing left to press the external wire between the side surface 301 of the pressing wire and the side wall 21 of the pressing wire, and when the fastening member 3 swings right to reach one end of the swing stroke, the fastening member limit edge 32 (shown in fig. 3) is in limit fit with the bending portion 232 (shown in fig. 1) to prevent the fastening member 3 from further swinging right.

Preferably, as shown in fig. 3 and 4, the fastener 3 includes a fastener body 30, a fastener stopper 32 is provided at one side of the fastener body 30, and the overall thickness of the fastener stopper 32 and the fastener body 30 matches the distance between the second plate 231 and the first sidewall 22. Specifically, as oriented in FIG. 4, the fastener retaining rim 32 is disposed on the underside of the fastener body 30, and the distance from the upper side of the fastener body 30 to the underside of the fastener retaining rim 32 is the overall thickness of the fastener retaining rim 32 and the fastener body 30, matching the spacing between the second plate 231 and the first side wall 22.

Preferably, as shown in fig. 1 to 3, the fastener 3 includes a fastener shaft 33, the wire holder 2 includes two shaft grooves respectively formed on the first side wall 22 and the second side wall 23, and both ends of the fastener shaft 33 are rotatably disposed in the two shaft grooves.

As shown in fig. 3, an embodiment of the fastener 3 is: the fastener 3 comprises a fastener body 30, a fastener limiting edge 32 and a fastener shaft 33, wherein the fastener body 30 is of a triangular prism structure, the fastener shaft 33 is arranged at one side edge of the triangular prism structure of the fastener body 30, and the fastener limiting edge 32 is arranged at one side of the fastener body 30; the fastener body 30 comprises a driven side surface 300 and a line pressing side surface 301, one end of the driven side surface 300 and one end of the line pressing side surface 301 are respectively connected with the fastener shaft 33, the screw 1 is in driving fit with the driven side surface 300, the fastener 3 is driven to swing, and an external lead is tightly pressed between the line pressing side surface 301 and the line pressing side wall 21. Further, the fastener stopper edge 32 is formed by protruding the crimping side surface 301 toward the fastener main body 30.

Preferably, as shown in FIG. 3, the fastener body 30 also includes fastener weight-reducing slots 304. Further, as shown in fig. 3, the fastener body 30 is provided with a fastener lightening hole 304 on each side.

Preferably, as shown in fig. 3, a plurality of saw-tooth-shaped ribs are disposed on the pressing line side surface 301 to increase friction between the pressing line side surface 301 and an external wire, so as to ensure reliability of wiring.

As shown in fig. 5 and 6, the present invention further discloses an electrical device, which includes at least one set of the terminals T, each set of the terminals T includes two terminals arranged side by side at intervals, one of the terminals is a first terminal T1, the other terminal is a second terminal T2, and the first plate 230 and the second plate 231 of the first terminal T1 are respectively arranged opposite to the second plate 231 and the first plate 230 of the second terminal T2. Further, as shown in fig. 6, a partition 6 is disposed between the first connection terminal T1 and the second connection terminal T2, and the shape of the partition 6 matches the shape of the second side wall 23.

It should be noted that, as shown in fig. 6, the partition board 6 includes two board portions connected in a staggered manner, and the two half portions are connected by a bent portion, one board portion is located between the two first boards 230, the other board portion is located between the two second boards 231, and the bent portion is located between the two bent portions 232.

Preferably, as shown in fig. 5, the electrical device further includes a housing, the housing is provided with a wiring hole 40 and a screw hole 50, the external lead is inserted into the wiring holder 2 through the wiring hole, and the screw 1 is screwed by the screwdriver through the screw hole 50. Further, the two wiring holes 40 are respectively located at one pair of vertex angles of a quadrangle, and the two screw holes 50 are respectively located at the other pair of vertex angles of the quadrangle.

Note that, the electrical device of the present invention is preferably an electrical device such as a circuit breaker, a contactor, and a relay.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A wiring terminal comprises a screw (1), a wiring seat (2) and a fastener (3), wherein the screw (1) is arranged on the wiring seat (2) and is in driving fit with the fastener (3), the screwing screw (1) is screwed to drive the fastener (3) to swing, and an external lead inserted between the fastener (3) and the wiring seat (2) is compressed; the wire holder (2) comprises a first side wall (22) and a second side wall (23) which are oppositely arranged at intervals, and a wire pressing side wall (21) with two ends respectively connected with the first side wall (22) and the second side wall (23) in a bending way, and an external lead is pressed between the fastener (3) and the wire pressing side wall (21); the method is characterized in that: the second side wall (23) comprises a first plate (230) and a second plate (231) which are connected in a staggered mode, the distance between the first plate (230) and the first side wall (22) is smaller than the distance between the second plate (231) and the first side wall (22), and the external lead is located between the second plate (231) and the first side wall (22).

2. The connection terminal according to claim 1, wherein: the second side wall (23) further comprises a bent part (232) positioned at the joint of the first plate (230) and the second plate (231); the fastener (3) comprises a fastener limiting edge (32) arranged on one side of the fastener; when the fastener (3) reaches one end of the swing stroke, the fastener limit edge (32) is in limit fit with the bending part (232).

3. The connection terminal according to claim 2, wherein: the fastener (3) comprises a fastener body (30), a fastener limiting edge (32) is arranged on one side of the fastener body (30), and the integral thickness of the fastener limiting edge (32) and the fastener body (30) is matched with the distance between the second plate (231) and the first side wall (22).

4. The connection terminal according to claim 1, wherein: the fastener (3) comprises a fastener shaft (33), the wire holder (2) comprises two shaft grooves which are respectively arranged on the first side wall (22) and the second side wall (23), and two ends of the fastener shaft (33) are rotatably arranged in the two shaft grooves.

5. The connection terminal according to claim 1, wherein: the fastener (3) comprises a fastener main body (30), a fastener limiting edge (32) and a fastener shaft (33), the fastener main body (30) is of a triangular prism structure, the fastener shaft (33) is arranged at one side edge of the triangular prism structure of the fastener main body (30), and the fastener limiting edge (32) is arranged at one side of the fastener main body (30); the fastener body (30) comprises a driven side face (300) and a line pressing side face (301), one ends of the driven side face (300) and the line pressing side face (301) are respectively connected with a fastener shaft (33), and the screw (1) is in driving fit with the driven side face (300) and drives the fastener (3) to swing.

6. The connection terminal according to claim 5, wherein: the fastener body (30) also includes a fastener weight-reducing slot (304).

7. The connection terminal according to claim 5, wherein: the fastener limiting edge (32) is formed by protruding a line pressing side surface (301) to one side of the fastener main body (30).

8. The connection terminal according to claim 5, wherein: and a plurality of saw-tooth convex ribs are arranged on the side surface (301) of the pressing line.

9. An electrical apparatus, characterized in that it comprises at least one group of terminals according to any one of claims 1 to 8, each group of terminals comprising two terminals arranged side by side at a distance, one of them being a first terminal (T1) and the other being a second terminal (T2), the first plate (230) and the second plate (231) of the first terminal (T1) being arranged opposite the second plate (231) and the first plate (230) of the second terminal (T2), respectively.

10. The electrical device of claim 9, wherein: a partition plate (6) is arranged between the first connecting terminal (T1) and the second connecting terminal (T2), and the shape of the partition plate (6) is matched with that of the second side wall (23).