CN214957248U

CN214957248U - Soft copper bar connecting piece and fuse

Info

Publication number: CN214957248U
Application number: CN202120525306.4U
Authority: CN
Inventors: 朱超; 彭升政
Original assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Current assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-30
Anticipated expiration: 2031-03-12

Abstract

The utility model belongs to the technical field of the copper bar connecting piece, a soft copper bar connecting piece and fuse are disclosed, soft copper bar connecting piece includes midbody, first portion of bending and the second portion of bending, first portion of bending is located the one end of midbody, first portion of bending is along the direction of keeping away from the midbody bend along second direction-third direction-first direction in proper order, the second portion of bending is located the other end of midbody, the second portion of bending is along the direction of keeping away from the midbody bend along third direction-fourth direction-fifth direction-fourth direction-third direction-fifth direction in proper order, first direction and fourth direction deviate from each other, the second direction and fifth direction deviate from each other; the fuse comprises the soft copper bar connecting piece. On one hand, the first bending part and the second bending part are bent for multiple times, so that the structure is compact; on the other hand, the first bending portion bends along the first direction and the second direction, and the second bending portion bends along the opposite direction, so that the structural strength is improved, and the structure of the fuse is stable.

Description

Soft copper bar connecting piece and fuse

Technical Field

The utility model relates to a copper bar connecting piece technical field especially relates to a soft copper bar connecting piece and fuse.

Background

Along with the electric motor car gradually moves to the market, new forms of energy power battery's machine loading volume also increases along with it fast, and wherein the power battery of higher energy density, higher electric quantity receives the favor of whole car end more easily, and this often means that the module of power battery package inside arranges more densely, and the space of high-low pressure circuit is narrower. The high-voltage circuit in the prior art mainly has two kinds of connected modes of hard copper bar and soft copper bar, and the toughness of hard copper bar is poor, shakes easily and splits, and soft copper bar exists the poor problem of easy deformation of structural strength.

Based on the above situation, it is desired to design a soft copper bar connector and a fuse to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the soft copper bar connecting piece is compact in structure, high in structural strength and not prone to deformation.

The utility model discloses another aim at: the fuse comprises the soft copper bar connecting piece and is stable in structure.

To achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, a soft copper bar connection is disclosed, comprising:

an intermediate;

the first bending part is positioned at one end of the intermediate body, and the first bending part is sequentially bent along a second direction, a third direction and a first direction along a direction far away from the intermediate body;

the second portion of bending, the second portion of bending is located the other end of midbody, the second portion of bending is along keeping away from the direction of midbody is followed third direction-fourth direction-fifth direction-fourth direction-third direction-fifth direction in proper order and is bent, the first direction with the fourth direction deviates from mutually, the second direction with the fifth direction deviates from mutually, the first portion of bending with the second portion of bending follows respectively the third direction is connected on outside equipment.

As a preferred scheme, the intermediate body is sleeved with a wear-resistant insulating sleeve.

Preferably, the material of the wear-resistant insulating sleeve is PVC (Polyvinyl chloride).

Preferably, the resistance of the wear-resistant insulating sleeve is greater than 500M omega, and the direct-current resistant voltage is greater than 2700V.

Preferably, a nickel sheet is attached to end portions of the first and second bent portions.

Preferably, the overall peel force of the nickel sheet from the first bent portion and the second bent portion is greater than 30N.

Preferably, the thickness of the nickel sheet is 0.1 mm.

Preferably, the first bending portion and the second bending portion have connection holes at ends thereof.

On the other hand, still disclose a fuse, including fusing module and above-mentioned soft copper bar connecting piece, one of first bending and the second bending is in the same place the fusing module electricity and is connected, and the other is in the same place the electrical equipment electricity of external connection.

The utility model has the advantages that: the first bending part of the soft copper bar connecting piece is sequentially bent along the direction far away from the intermediate body along the second direction, the third direction and the first direction, the second bending part is sequentially bent along the third direction, the fourth direction, the fifth direction, the fourth direction, the third direction and the fifth direction along the direction far away from the intermediate body, the first bending part and the second bending part are bent for multiple times, the structure is compact, the first direction is deviated from the fourth direction, the second direction is deviated from the fifth direction, force application and stress of the first bending part and the second bending part in the first direction, the fourth direction, the second direction and the fifth direction are mutually offset, force balance is realized, and the structural strength of the soft copper bar connecting piece is improved; further, the fuse comprises the soft copper bar connecting piece, and the structure is stable.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a schematic view of a soft copper bar connector;

FIG. 2 is a front view of a soft copper bar connection (with a wear-resistant insulation sleeve in section);

figure 3 is a side view of a soft copper bar connection.

In fig. 1 to 3:

1. an intermediate;

2. a first bending portion; 21. connecting holes;

3. a second bending portion;

4. a nickel sheet;

5. wear-resisting insulating sleeve.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a soft copper bar coupler, which includes a central body 1, a first bent portion 2 and a second bent portion 3, the central body 1, the first bending portion 2 and the second bending portion 3 are integrally formed, the first bending portion 2 is located at one end of the middle body 1, the first bending portion 2 is sequentially bent along a second direction, a third direction and a first direction along the direction far away from the middle body 1, the second bending portion 3 is located at the other end of the middle body 1, the second bending portion 3 is sequentially bent along a third direction, a fourth direction, a fifth direction, a fourth direction, a third direction and a fifth direction along the direction far away from the middle body 1, the first direction deviates from the fourth direction, the second direction deviates from the fifth direction, and the first bending portion 2 and the second bending portion 3 are respectively connected to external equipment along the third direction. The first bending part 2 and the second bending part 3 are bent for multiple times, so that the structure is compact; the first bending part 2 is deformed by three times of bending, and the second bending part 3 is deformed by six times of bending, so that plastic deformation is generated, and the deformation is not easy to recover; the first bending part 2 and the second bending part 3 are respectively electrically connected to external equipment along a third direction, so that the stress balance of the soft copper bar connecting piece in the third direction is realized, the first direction deviates from the fourth direction, the second direction deviates from the fifth direction, namely the partial bending directions of the first bending part 2 and the second bending part 3 are opposite, when the external equipment applies external force to the first bending part 2 along the first direction, the fourth direction, the second direction and the fifth direction, the second bending part 3 can counteract the external force, so that the intermediate body 1 and the first bending part 2 are not influenced by the external force, when the external equipment applies external force to the second bending part 3 along the first direction, the fourth direction, the second direction and the fifth direction, the first bending part 2 can counteract the external force, so that the intermediate body 1 and the second bending part 3 are not influenced by the external force, and similarly, when the external equipment simultaneously applies external force to the first bending part 2 and the second bending part 3 along the first direction, the fourth direction and the second direction When external force is applied in the direction and the fifth direction, the external force can be mutually offset through the intermediate body 1, the stress balance of the soft copper bar connecting piece on three degrees of freedom is realized, and the structural strength is further improved.

As shown in fig. 2, the intermediate body 1 is sleeved with a wear-resistant insulating sleeve 5. On one hand, the wear-resistant insulating sleeve 5 can protect the intermediate body 1 from being worn; on the other hand, the wear-resistant insulating sleeve 5 can insulate and isolate the intermediate body 1 and prevent electric leakage. The wear-resistant insulating sleeve 5 in the embodiment is made of PVC, and the PVC has the characteristics of high fire-proof grade, good stability, high strength and excellent property. Of course, in other embodiments of the present invention, the wear-resistant insulating sleeve 5 may also be made of other wear-resistant insulating materials, which are not described herein.

In a preferred embodiment, the resistance of the wear-resistant bushing 5 is greater than 500M Ω and the resistance to dc voltage is greater than 2700V. Specifically, the wear-resistant insulating sleeve 5 under the above parameters can ensure that the wear-resistant insulating sleeve 5 has sufficient high voltage resistance and insulating property to achieve the effect of insulation protection, and no waste is caused.

As shown in fig. 3, nickel pieces 4 are attached to the end portions of the first and

second bent portions

2 and 3. In this embodiment, the nickel sheet 4 is attached to the end surfaces of the first bending portion 2 and the second bending portion 3 through a hot-press welding process, the end portions, used for electrical connection, of the first bending portion 2 and the second bending portion 3 can be protected, the thickness of the nickel sheet 4 is 0.1mm, the nickel sheet 4 with the thickness can not only play a role in isolation and protection, but also cannot cause waste.

In a preferred embodiment, the overall peel force of the nickel sheet 4 from the first bent portion 2 and the second bent portion 3 is greater than 30N. The nickel sheets 4 under the parameters can be reliably attached to the first bending part 2 and the second bending part 3, so that the nickel sheets 4 cannot fall off due to factors such as scratch or collision, and the reliability is improved.

Specifically, the length of the overlapping portion of the wear-resistant insulating sleeve 5 and the nickel sheet 4 is greater than 1mm, the length of the overlapping portion is the length of the end portion of the first bending portion 2 along the first direction or the end portion of the second bending portion 3 along the fifth direction, the wear-resistant insulating sleeve 5 and the nickel sheet 4 are partially overlapped, electric leakage caused by the existence of a gap between the wear-resistant insulating sleeve 5 and the nickel sheet 4 can be prevented, and safety is improved.

As shown in fig. 1, the end portions of the first and second bending

portions

2 and 3 are provided with connection holes 21. In the present embodiment, the end portions of the first bending portion 2 and the second bending portion 3 for electrically connecting with an external device are provided with the connection hole 21, and a connection screw or a connection bolt can penetrate through the connection hole 21 and be connected to a pole piece of the external device, so that the operation is simple and the structure is reliable.

This embodiment still provides a fuse, including fusing module and foretell soft copper bar connecting piece, first bending portion 2 is connected with fusing module electricity, and second bending portion 3 is connected with outside electrical equipment electricity. The electrical equipment can be any electrical equipment needing over-current protection, the first bending portion 2 can be tightly attached to the outer wall of the fusing module through bending along the third direction and the first direction, the connection is reliable, and the second bending portion 3 can be tightly attached to the outer wall of the electrical equipment through bending along the third direction and the fifth direction, so that the structural stability of the fuse is improved. Of course, in other embodiments of the present invention, the second bending portion 3 is electrically connected to the fusing module, and the first bending portion 2 is electrically connected to the external electrical device, so that the same function can be realized, which is not described herein again.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A soft copper bar connection, comprising:

an intermediate (1);

the first bending part (2) is positioned at one end of the intermediate body (1), and the first bending part (2) is sequentially bent along a second direction, a third direction and a first direction along the direction far away from the intermediate body (1);

the second portion of bending (3), the second portion of bending (3) are located the other end of midbody (1), the second portion of bending (3) is along keeping away from the direction of midbody (1) is followed third direction-fourth direction-fifth direction-fourth direction-third direction-fifth direction in proper order and is bent, the first direction with the fourth is deviated from to mutually, the second direction with the fifth direction deviates from mutually, first portion of bending (2) with second portion of bending (3) are followed respectively the third direction is connected on outside equipment.

2. The soft copper bar connection according to claim 1, characterized in that the intermediate body (1) is sheathed with a wear-resistant insulating sleeve (5).

3. The soft copper bar connection according to claim 2, characterized in that the material of the wear-resistant insulating sleeve (5) is PVC.

4. The soft copper bar connection according to claim 2, characterized in that the resistance of the wear-resistant insulating bushing (5) is greater than 500M Ω and the resistance to direct voltage is greater than 2700V.

5. The soft copper bar connection according to claim 1, characterized in that the ends of the first (2) and second (3) bends are affixed with nickel sheets (4).

6. The soft copper bar connection according to claim 5, characterized in that the overall peel force of the nickel sheet (4) with the first and second bends (2, 3) is greater than 30N.

7. A soft copper bar connection according to claim 5, characterized in that the thickness of the nickel sheet (4) is 0.1 mm.

8. A soft copper bar connection according to any of claims 1-7, characterized in that the ends of the first (2) and second (3) bends are provided with connection holes (21).

9. A fuse, characterized in that it comprises a fuse module and a soft copper bar connection according to any one of claims 1 to 8, one of the first (2) and second (3) bends being electrically connected to the fuse module and the other to an external electrical device.