CN221226636U - Copper bar heavy current connector - Google Patents

Abstract

The utility model discloses a copper bar high-current connector, relates to the technical field of new energy automobile connectors, and solves the problem of unstable setting of positioning ring pieces. The inserting piece comprises an inserting part, a fixing part and an external part, wherein the inserting part and the external part are respectively positioned at two sides of the fixing part, and a sinking groove which is concave inwards is formed at the outer edge of the fixing part; the locating ring piece is including the hasp portion that two symmetries set up and the crooked connecting portion of connecting two hasp portions, and hasp portion is connected with the working face buckle of inserted sheet both sides respectively, and crooked connecting portion is from laminating in inserted sheet one side working face, and in the back bending is put into the subsidence inslot, buckle again and laminate on inserted sheet opposite side working face, crooked connecting portion and subsidence inslot looks adaptation are with spacing crooked connecting portion. The bending connecting part is arranged in the sinking groove, interference is avoided when the inserting piece is inserted into the mounting hole, the bending connecting part is prevented from being damaged, the positioning ring piece is not easy to fall off under force, the supporting stability of the positioning ring piece is ensured, and the normal use effect of the inserting piece is ensured.

Description

Copper bar heavy current connector

Technical Field

The utility model relates to the technical field of connectors of new energy automobiles, in particular to a copper bar high-current connector.

Background

Nowadays, connectors have been widely used in electrical systems of new energy automobiles, wherein terminal assemblies of the connectors are used for realizing mutual plug contact with plug conductors of a butt connector, thereby realizing power transmission. The prior Chinese utility model patent is as follows: a connector and a terminal assembly (publication number: CN 219203544U) thereof are taken as an example, each power strip is provided with a plurality of positioning ring sheets, each positioning ring sheet comprises a locking part and a bending connecting part, the bending connecting part is tightly clung to and wound on one working surface to the other working surface, each locking part is fixedly arranged on the corresponding working surface, and the power strip can be stably fixed on an insulating base through the setting of the positioning ring sheets. However, in the use process, because the bending connection part of the positioning ring piece is positioned outside the protection sleeve ring, interference is easily generated when the power strip is inserted into the assembly channel, the bending connection part is damaged, even the whole positioning ring piece falls off, and the stability of the power strip is affected.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a copper bar high-current connector, which solves the problem of unstable setting of a positioning ring piece.

The technical scheme of the utility model is as follows: the device comprises a base, an inserting piece and a positioning ring piece, wherein the base is provided with a mounting hole for installing the inserting piece, the inserting piece comprises an inserting part, a fixing part and an external part, the inserting part and the external part are respectively positioned at two sides of the fixing part, and the outer edge of the fixing part is provided with a sinking groove which is sunken inwards; the positioning ring piece comprises two lock catch parts which are symmetrically arranged and a bending connecting part which is connected with the two lock catch parts, each lock catch part is respectively connected with the working faces on two sides of the inserting piece in a buckling mode, the bending connecting part is attached to one working face on one side of the inserting piece, is bent back and placed into the sinking groove, is bent back and attached to the working face on the other side of the inserting piece, and the bending connecting part is matched with the sinking groove to limit the bending connecting part.

By adopting the technical scheme, the bending connecting part is arranged in the sinking groove, interference is avoided when the inserting piece is inserted into the mounting hole, the bending connecting part is prevented from being damaged, the positioning ring piece is not easy to fall off under stress, the supporting stability of the positioning ring piece is ensured, the design is optimized, and the normal use effect of the inserting piece is ensured.

In one possible design, each insert corresponds to a positioning ring piece, the two side working surfaces of the insert are respectively provided with a fixing groove, the locking parts are buckled in the fixing grooves, and the fixing grooves are positioned at the central positions of the width directions of the insert working surfaces.

By adopting the design, the inserting piece can be effectively fixed by only clamping the positioning ring piece, so that the inserting stability is ensured, and the cost of parts can be reduced.

In one possible design, a plurality of dovetail-shaped positioning lugs are arranged on the outer edge of the plug-in part, a U-shaped surrounding frame is arranged on the outer periphery of the plug-in part, and the surrounding frame is injection molded on each positioning lug to be fixed on the outer edge of the plug-in part; the surrounding frame is formed by surrounding one side of the fixing groove along the outer edge of the plug-in connection part.

By adopting the design, the surrounding frame is not close to the fixed groove, namely, the surrounding frame and the positioning ring sheet have a certain distance, interference between the surrounding frame and the positioning ring sheet is reduced, the surrounding frame is sufficiently fixed on the positioning ring sheet through the positioning lugs, and the original unnecessary structure of the surrounding frame is reduced, so that the design is more reasonable.

In one possible design, the fixing portion is inserted into the mounting hole, and a limiting protrusion is arranged on the fixing portion and abuts against the orifice of the mounting hole to form limiting.

By adopting the design, when the inserting piece is inserted and assembled into the mounting hole, the limiting protrusion abuts against the orifice of the mounting hole to limit the inserting piece, the fixing structure of the inserting piece is arranged on the inserting piece, and the inserting piece is convenient to assemble and process.

In one possible design, the external connection part is obliquely bent from the fixing part to the width direction of the deflection inserting piece, and the two inserting pieces are arranged in a central symmetry mode.

By adopting the design, the external connection part of the inserting sheets is connected with the external lead, so that the connection positions of the two inserting sheets are kept away as far as possible, the safety of the connector is ensured, and the adaptability of the installation environment can be improved.

Drawings

FIG. 1 is a schematic diagram of the outline structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model prior to assembly;

FIG. 3 is an exploded view of the insert and retaining ring of the present utility model;

1, a base; 2. inserting sheets; 3. positioning ring pieces; 11. a mounting hole; 21. a plug-in part; 22. a fixing part; 23. an external connection part; 221. a sinking groove; 31. a locking part; 32. a curved connection portion; 211. a fixing groove; 212. positioning lugs; 24. a surrounding frame; 222. and a limit protrusion.

Detailed Description

The copper bar heavy-current connector as shown in fig. 1-3 comprises a base 1, an inserting piece 2 and a positioning ring piece 3, wherein a mounting hole 11 for installing the inserting piece 2 is formed in the base 1, the inserting piece 2 is sheet-shaped and comprises an inserting part 21, a fixing part 22 and an external connecting part 23 along the length direction, the inserting part 21 and the external connecting part 23 are respectively positioned at two sides of the fixing part 22, and a sinking groove 221 which is sunken towards the inner center direction is formed at the outer edge of the fixing part 22; the positioning ring piece 3 comprises two locking portions 31 symmetrically arranged and a bending connecting portion 32 connected with the two locking portions 31, each locking portion 31 is respectively buckled and fixed with the working faces on two sides of the inserting piece 2, the bending connecting portion 32 is attached to one side working face of the inserting piece 2, then is bent and placed into the sinking groove 221, and is bent and attached to the other side working face of the inserting piece 2, and the bending connecting portion 32 is matched with the sinking groove 221 to limit the bending connecting portion 32. The positioning ring 3 is clamped on the insert 2 along the outer surface of the fixing portion 22, and the bending connection portion 32 is disposed in the sinking groove 221. It is ensured that the curved connecting portion 32 does not interfere with the wall of the mounting hole 11 during insertion of the insert 2 into the mounting hole 11, thereby avoiding possible friction and obstruction.

Each insert piece 2 is accurately and correspondingly provided with a positioning ring piece 3, and the positioning ring piece 3 can be clamped around the corresponding insert piece 2 by the design, so that the position stability of the insert piece 2 is ensured. The fixed slots 211 are respectively formed in the working surfaces on two sides of the inserting sheet 2, the locking portions 31 can be locked in the fixed slots 211, the fixed slots 211 enable the positioning ring sheet 3 to be fixed at a required position more firmly, assembly stability of the inserting sheet 2 is further enhanced, and displacement of the inserting sheet 2 after assembly is prevented. The fixing groove 211 is located at the center of the working surface of the insert 2 in the width direction, because the insert 2 can be fixed by using one positioning ring piece 3, and excessive parts and complicated installation steps are not required. The movement and shaking of the inserting sheet 2 in the installation process are reduced, and the installation efficiency is improved.

The outer edge of the plugging part 21 is uniformly provided with a plurality of dovetail-shaped positioning lugs 212, the periphery of the plugging part 21 is provided with a U-shaped surrounding frame 24, and the surrounding frame 24 is fixed with each positioning lug 212 through an injection molding process, so that the outer edge of the plugging part 21 can be firmly fixed. The surrounding frame 24 is formed by surrounding the outer edge of the insertion portion 21 from one side of the fixing groove 211. It should be noted that the peripheral frame 24 is not connected with the fixing groove 211, which means that a certain distance exists between the peripheral frame 24 and the positioning ring sheet 3, so that mutual interference between the peripheral frame 24 and the positioning ring sheet 3 is reduced, not only the original unnecessary part of the peripheral frame 24 is shortened, but also the overall design is more reasonable.

The fixing portion 22 is inserted and fixed in the mounting hole 11, and a limit protrusion 222 is provided on the fixing portion 22. The limiting projection 222 is abutted against the orifice of the mounting hole 11 to form a limiting position structure. When the insert 2 is inserted and assembled into the mounting hole 11, the limiting protrusion 222 will abut against the orifice of the mounting hole 11, so as to limit the position of the insert 2.

The external connection part 23 is obliquely bent from the fixing part 22 to the width direction of the deflection inserting piece 2, and the two inserting pieces 2 are arranged in a central symmetry way. Through this kind of centrosymmetric arrangement, the hookup location of two inserted sheets 2 can keep away from as far as possible to ensure the security performance of connector, also promoted the adaptability of installation environment simultaneously, conveniently adjusted and change distance and position between inserted sheets 2, make the external portion 23 of inserted sheet 2 can adapt to the space restriction better, and can connect external wire more nimble.

Claims (5)

1. The utility model provides a copper bar heavy current connector, is including base (1), inserted sheet (2) and holding ring piece (3), set up mounting hole (11) that supply inserted sheet (2) to install on base (1), its characterized in that: the inserting piece (2) comprises an inserting part (21), a fixing part (22) and an external connection part (23), wherein the inserting part (21) and the external connection part (23) are respectively positioned at two sides of the fixing part (22), and a sinking groove (221) which is sunken inwards is formed at the outer edge of the fixing part (22); the locating ring piece (3) comprises two symmetrically arranged lock catch portions (31) and a bending connecting portion (32) for connecting the two lock catch portions (31), wherein each lock catch portion (31) is respectively connected with the working faces on two sides of the inserting piece (2) in a buckling mode, the bending connecting portion (32) is attached to one side of the working face of the inserting piece (2) and then is bent and placed into the sinking groove (221), then is bent and attached to the working face on the other side of the inserting piece (2), and the bending connecting portion (32) is matched with the sinking groove (221) to limit the bending connecting portion (32).

2. The copper bar high current connector of claim 1, wherein: each inserting sheet (2) corresponds to one positioning ring sheet (3), fixing grooves (211) are respectively formed in the working surfaces on two sides of each inserting sheet (2), the locking parts (31) are buckled in the fixing grooves (211), and the fixing grooves (211) are located at the central positions of the working surfaces of the inserting sheets (2) in the width direction.

3. The copper bar high current connector according to claim 1 or 2, wherein: a plurality of dovetail-shaped positioning lugs (212) are arranged on the outer edge of the plug-in part (21), a U-shaped surrounding frame (24) is arranged on the outer periphery of the plug-in part (21), and the surrounding frame (24) is injection molded on each positioning lug (212) to be fixed on the outer edge of the plug-in part (21); the surrounding frame (24) is formed by surrounding one side of the fixing groove (211) along the outer edge of the inserting part (21).

4. The copper bar high current connector according to claim 1 or 2, wherein: the fixing part (22) is inserted into the mounting hole (11), a limiting protrusion (222) is arranged on the fixing part (22), and the limiting protrusion (222) and the orifice of the mounting hole (11) are propped against to form limiting.

5. The copper bar high current connector according to claim 1 or 2, wherein: the external connection part (23) is obliquely bent from the fixing part (22) to the width direction of the deflection inserting pieces (2), and the two inserting pieces (2) are arranged in a central symmetry mode.