CN220358360U - Terminal and copper bar rotation-preventing connection structure and high-voltage distribution box - Google Patents
Terminal and copper bar rotation-preventing connection structure and high-voltage distribution box Download PDFInfo
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- CN220358360U CN220358360U CN202320309478.7U CN202320309478U CN220358360U CN 220358360 U CN220358360 U CN 220358360U CN 202320309478 U CN202320309478 U CN 202320309478U CN 220358360 U CN220358360 U CN 220358360U
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- Prior art keywords
- terminal
- copper bar
- limit
- protrusion
- connection structure
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 98
- 239000010949 copper Substances 0.000 title claims abstract description 98
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of batteries, and particularly relates to an anti-rotation connection structure of a terminal and a copper bar, which comprises a fastener, the terminal and the copper bar; the terminal is provided with a protruding part which protrudes out of the surface of the terminal; the copper bar is provided with a first limit protrusion and a second limit protrusion, the first limit protrusion and the second limit protrusion protrude from the surface of the copper bar, and the protruding part is clamped between the first limit protrusion and the second limit protrusion so as to limit the terminal to rotate relative to the copper bar; the fastener is used for connecting the terminal and the copper bar. According to the terminal and copper bar anti-rotation connection structure provided by the embodiment of the utility model, the first limit bulge and the second limit bulge are additionally arranged on the copper bar, so that copper bar holes in the prior art are avoided, the surface area and the volume of the copper bar are not reduced, and the overcurrent capacity and the current-carrying capacity of the copper bar are not negatively influenced.
Description
Technical Field
The utility model belongs to the technical field of electric connection structures, and particularly relates to a terminal and copper bar rotation-preventing connection structure and a high-voltage distribution box.
Background
In high voltage power distribution equipment, there are many places where it is necessary to use wire harness terminals to overlap copper bars. That is, the wire harness terminal and the wire harness are connected first, and then the wire harness terminal and the wire harness are connected by penetrating the terminal through screws and screwing the screws into the copper bars.
The common wire harness terminal is a thin sheet, and a hole through which a screw can pass is formed in the center of the thin sheet; the fastening force of the screw is weakened along with the increase of the service time, and the wire harness terminal is easy to rotate relative to the copper bar.
The existing anti-rotation structure is provided with holes in the copper bar, so that the volume and the surface area of the copper bar are reduced, and the current-carrying capacity and the overcurrent capacity of the copper bar are negatively affected.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the problems that the volume and the surface area of a copper bar are reduced by arranging holes in the copper bar and the current-carrying capacity and the overcurrent capacity of the copper bar are negatively influenced, the anti-rotation connecting structure for the terminal and the copper bar and the high-voltage distribution box are provided.
In order to solve the technical problems, the embodiment of the utility model provides a terminal and copper bar anti-rotation connection structure, which is characterized by comprising a fastener, a terminal and a copper bar;
the terminal is provided with a protruding part which protrudes out of the surface of the terminal;
the copper bar is provided with a first limit protrusion and a second limit protrusion, the first limit protrusion and the second limit protrusion protrude from the surface of the copper bar, and the protruding part is clamped between the first limit protrusion and the second limit protrusion so as to limit the terminal to rotate relative to the copper bar;
the fastener is used for connecting the terminal and the copper bar.
Optionally, the terminal and copper bar anti-rotation connection structure further comprises a connector having a connection surface through which the copper bar and the terminal are disposed on the connector;
the fastener passes through both the copper bar and the terminal and is secured to the connector.
Optionally, the first spacing protrusion and the second spacing protrusion are disposed on the same surface of the copper bar, the first spacing protrusion and the second spacing protrusion are disposed at intervals, and the protruding portion is inserted into the interval between the first spacing protrusion and the second spacing protrusion.
Optionally, the first limit protrusion and the second limit protrusion are disposed on different surfaces of the copper bar.
Optionally, the first limit protrusion and the second limit protrusion are both made of copper material.
Optionally, the protrusion and the terminal are integrally formed.
Optionally, the first spacing protrusion and the second spacing protrusion are disposed on the same side wall of the copper bar, the first spacing protrusion and the second spacing protrusion are disposed at intervals, and the protruding portion is inserted into the interval between the first spacing protrusion and the second spacing protrusion.
Optionally, the protruding portion is an L-shaped plate, one end surface of the protruding portion is coplanar with one side surface of the terminal, and the other end of the protruding portion is inserted into a space between the first limit protrusion and the second limit protrusion.
Optionally, the terminal has a wire harness connection portion, the wire harness connection portion is a U-shaped plate, an opening of the U-shaped plate faces away from an upper surface of the terminal, and the wire harness connection portion and the protruding portion are disposed on opposite side surfaces of the terminal.
According to the terminal and copper bar anti-rotation connection structure provided by the embodiment of the utility model, the first limit bulge and the second limit bulge are additionally arranged on the copper bar, and the bulge is clamped between the first limit bulge and the second limit bulge so as to limit the rotation of the terminal relative to the copper bar, so that the copper bar is prevented from being perforated in the prior art, the surface area and the volume of the copper bar are not reduced, and the overcurrent capacity and the current-carrying capacity of the copper bar are not negatively influenced. Compared with the prior art, the current-carrying capacity and the overcurrent capacity are improved.
On the other hand, the embodiment of the utility model also provides a high-voltage distribution box, which comprises any terminal and copper bar anti-rotation connection structure.
Drawings
Fig. 1 is a schematic view of a terminal and copper bar anti-rotation connection structure provided in a first embodiment of the present utility model;
fig. 2 is a schematic installation view of a connector with a terminal and copper bar anti-rotation connection structure according to a first embodiment of the present utility model;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic view showing a first arrangement of a first limit protrusion and a second limit protrusion of a terminal and copper bar anti-rotation connection structure according to a second embodiment of the present utility model;
fig. 5 is a schematic view showing a second arrangement of a first limit protrusion and a second limit protrusion of a terminal and copper bar anti-rotation connection structure according to a second embodiment of the present utility model
Reference numerals in the specification are as follows:
100. a harness terminal; 101. an anti-rotation part; 200. a copper bar;
1. a connector; 11. a connection surface; 2. a terminal; 21. a protruding portion; 3. a copper bar; 31. the first limiting protrusion; 32. the second limiting bulge; 4. a fastener; 5. and a wire harness.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
First embodiment
As shown in fig. 1, the terminal and copper bar anti-rotation connection structure provided by the first embodiment of the utility model comprises a fastener 4, a terminal 2 and a copper bar 3; the copper bar 3 is provided with a first limit protrusion 31 and a second limit protrusion 32, and the first limit protrusion 31 and the second limit protrusion 32 protrude from the surface of the copper bar 3; the terminal 2 is provided with a protruding part 21, the protruding part 21 protrudes from the surface of the terminal 2, and the protruding part 21 is clamped between the first limiting protrusion 31 and the second limiting protrusion 32 to limit the rotation of the terminal 2 relative to the copper bar 3, that is, the protruding part 21 is clamped by the first limiting protrusion 31 and the second limiting protrusion 32 from two opposite sides of the protruding part 21; the fastener 4 is used to connect the terminal 2 and the copper bar 3.
The fastener 4 in this embodiment is a screw, but in other embodiments, the fastener 4 may be a rivet, a pin, or the like.
The first limiting bulge 31 and the second limiting bulge 32 are clamped with the bulge parts to limit the rotation of the terminal 2 relative to the copper bar 3, so that an anti-rotation effect is achieved; in addition, since the copper bar 3 is not perforated, the surface and volume of the copper bar 3 are not changed, and various capacities of the copper bar 3 are not negatively affected, compared with the perforated copper bar 3, the current carrying capacity and the overcurrent capacity of the copper bar 3 in the embodiment are larger. In this embodiment, the screw may directly fix the terminal 2 to the copper bar 3, but the screw may also pass through the copper bar 3 and the terminal 2 to be fixed to other objects.
Referring to fig. 2 and 3, in the present embodiment, the terminal and copper bar rotation preventing connection structure further includes a connector 1, the connector 1 having a connection surface 11. The fastener 4 in this embodiment passes through both the copper bar 3 and the terminal 2 and is fixed to the connector 1. I.e. copper bars 3 and terminals 2 are arranged on the connector 1 by means of the connection surfaces 11.
In this embodiment, the first spacing protrusion 31 and the second spacing protrusion 32 are disposed on the same surface of the copper bar 3, and taking the example that the first spacing protrusion 31 and the second spacing protrusion 32 are disposed on the side wall of the copper bar 3 at the same time, the first spacing protrusion 31 and the second spacing protrusion 32 are disposed at intervals, and the protruding portion 21 is inserted into the interval between the first spacing protrusion 31 and the second spacing protrusion 32.
In this embodiment, the first limiting protrusion 31 and the second limiting protrusion 32 are copper products, that is, the copper bar 3, the first limiting protrusion 31 and the second limiting protrusion 32 are made of the same material. The copper bar 3, the first limiting protrusion 31 and the second limiting protrusion 32 can be integrally formed, or can be respectively formed and welded integrally.
Similarly, the protruding part 21 and the terminal 2 are integrally formed, and can be made of the same material, and are directly integrally formed, so that the structure is simple and the processing is quick.
Of course, in other embodiments, the first limiting bump 31 and the second limiting bump 32 are made of other conductive metal materials. The projection 21 and the terminal 2 may be welded.
In this embodiment, the first limiting protrusion 31 and the second limiting protrusion 32 are disposed on one of the side walls of the copper bar 3, the first limiting protrusion 31 and the second limiting protrusion 32 are disposed at intervals, and the protruding portion 21 is inserted into the interval between the first limiting protrusion 31 and the second limiting protrusion 32.
The protruding portion 21 is an L-shaped plate, one end surface of the protruding portion 21 is coplanar with one side surface of the terminal 2, and the other end is inserted into the space between the first and second stopper protrusions 31 and 32.
In this embodiment, the terminal 2 has a wire harness 5 connecting portion, the wire harness 5 connecting portion is a U-shaped plate, an opening of the U-shaped plate faces away from an upper surface of the terminal 2, and the wire harness 5 connecting portion and the protruding portion 21 are provided on opposite side surfaces of the terminal 2, respectively. Since the wire harness 5 connecting portion and the protruding portion 21 are located on opposite sides of the terminal 2, a space reserved on the surface where the wire harness 5 connecting portion is located is large, and when the wire harness 5 is fixed to the wire harness 5 connecting portion, the end portion of the wire harness 5 can be extended toward the center of the terminal 2 to protrude the wire harness 5 connecting portion. Firstly, the contact area between the wire harness 5 and the terminal 2 is increased; secondly, can ensure that pencil 5 is fixed in pencil 5 connecting portion completely, reduce the virtual phenomenon of pencil 5.
Second embodiment
Referring to fig. 3, a terminal and copper bar anti-rotation connection structure according to a second embodiment of the present utility model is different from the first embodiment in that a first limit protrusion 31 and a second limit protrusion 32 are respectively disposed on different surfaces of a copper bar 3.
The method is divided into the following two setting modes:
first, referring to fig. 4, first and second limit protrusions 31 and 32 may be provided at adjacent both side surfaces of the copper bar 3. In this case, the shape of the protruding portion 21 does not need to be changed greatly.
Second, referring to fig. 5, the first and second limit protrusions 31 and 32 may be provided at opposite side surfaces of the copper bar 3. In this case, the terminal 2 needs to be bent a plurality of times to form a U shape, and the opening of the U shape sandwiches the copper bar 3.
Third embodiment
The third embodiment of the utility model provides a high-voltage distribution box, which comprises the terminal and the copper bar anti-rotation connection structure of any embodiment, and can be used for equipment such as electric automobiles, power distribution cabinets and the like.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The anti-rotation connection structure of the terminal and the copper bar is characterized by comprising a fastener, the terminal and the copper bar;
the terminal is provided with a protruding part which protrudes out of the surface of the terminal;
the copper bar is provided with a first limit protrusion and a second limit protrusion, the first limit protrusion and the second limit protrusion protrude from the surface of the copper bar, and the protruding part is clamped between the first limit protrusion and the second limit protrusion so as to limit the terminal to rotate relative to the copper bar;
the fastener is used for connecting the terminal and the copper bar.
2. The terminal and copper bar anti-rotation connection structure according to claim 1, further comprising a connector having a connection surface through which the copper bar and the terminal are disposed on the connector;
the fastener passes through both the copper bar and the terminal and is secured to the connector.
3. The connection structure for preventing rotation of a terminal and a copper bar according to claim 1 or 2, wherein the first limit projection and the second limit projection are provided on the same surface of the copper bar, the first limit projection and the second limit projection are provided at an interval, and the projection is inserted into an interval between the first limit projection and the second limit projection.
4. The terminal and copper bar rotation preventing connection structure according to claim 1 or 2, wherein the first limit projection and the second limit projection are provided on different surfaces of the copper bar.
5. The connection structure of claim 4, wherein the first and second spacing protrusions are copper products.
6. The terminal and copper bar rotation preventing connection structure according to claim 1, wherein the protruding portion and the terminal are integrally formed.
7. The connection structure for preventing rotation of a terminal and a copper bar according to claim 2, wherein the first limit protrusion and the second limit protrusion are disposed on the same side wall of the copper bar, the first limit protrusion and the second limit protrusion are disposed at an interval, and the protruding portion is inserted into the interval between the first limit protrusion and the second limit protrusion.
8. The connection structure of claim 7, wherein the protrusion is an L-shaped plate, one end surface of the protrusion is coplanar with one side surface of the terminal, and the other end of the protrusion is inserted into a space between the first and second limit protrusions.
9. The terminal and copper bar rotation preventing connection structure according to claim 8, wherein the terminal has a wire harness connection portion which is a U-shaped plate, an opening of the U-shaped plate is directed away from an upper surface of the terminal, and the wire harness connection portion and the protruding portion are provided on opposite side surfaces of the terminal.
10. A high voltage distribution box comprising a terminal and copper bar anti-rotation connection according to any of the preceding claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309478.7U CN220358360U (en) | 2023-02-17 | 2023-02-17 | Terminal and copper bar rotation-preventing connection structure and high-voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309478.7U CN220358360U (en) | 2023-02-17 | 2023-02-17 | Terminal and copper bar rotation-preventing connection structure and high-voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358360U true CN220358360U (en) | 2024-01-16 |
Family
ID=89505608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320309478.7U Active CN220358360U (en) | 2023-02-17 | 2023-02-17 | Terminal and copper bar rotation-preventing connection structure and high-voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358360U (en) |
-
2023
- 2023-02-17 CN CN202320309478.7U patent/CN220358360U/en active Active
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