CN217740734U - Flexible coupling copper bar with locking function - Google Patents
Flexible coupling copper bar with locking function Download PDFInfo
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- CN217740734U CN217740734U CN202220882328.0U CN202220882328U CN217740734U CN 217740734 U CN217740734 U CN 217740734U CN 202220882328 U CN202220882328 U CN 202220882328U CN 217740734 U CN217740734 U CN 217740734U
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- copper bar
- locking piece
- insulating rubber
- bending
- bolt
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Abstract
The utility model relates to a new energy automobile power battery field discloses a flexible coupling copper bar with locking function, including copper bar (1), the both ends of copper bar (1) are all bent and are formed bending portion (11), the tip of bending portion (11) all is equipped with bolt hole (111), install insulating rubber protection casing (2) on bending portion (11), the pyrocondensation has insulating heat shrinkage bush (3) on copper bar (1), insulating rubber protection casing (2) injection moulding as an organic whole, insulating rubber protection casing (2) are including helmet (21) and locking piece (22), locking piece one end is connected with the lateral wall of helmet, locking piece (22) other end is walked around the lower extreme of bending portion (11) and is established on its inside wall after buckling. When this flexible coupling copper bar passes through the bolt-up on the group battery, the bolt can press on the copper bar, and the copper bar recompression is on locking piece, and locking piece is by the outside elasticity of bolt compression deformation production to play locking effect. The protective cap can protect the bolt head and avoid collision.
Description
Technical Field
The utility model relates to a new energy automobile power battery field especially relates to a flexible coupling copper bar with locking function.
Background
Because the electric automobile has good environmental friendliness and economy, the electric automobile is gradually replacing the traditional automobile and becomes the development direction of the automobile in the future. The power battery is an important component of the electric automobile, and the power battery is generally formed by connecting a plurality of battery modules in parallel or in series by using connecting copper bars. The battery modules are distributed differently, and the structures of the connecting copper bars are different. At present, the conventional soft copper bar on the market is only insulated and protected at a non-connection part by a heat-shrinkable sleeve, but the copper bar inevitably rubs or collides with other parts in use, the sleeve has good insulation property but poor wear resistance, and the service life of the product is obviously reduced due to friction.
In order to protect the joint of the copper bar and the battery, an insulating rubber protective cover is generally installed at the end of the copper bar, the existing insulating protective cover is only a basic bolt for connecting the copper bar and the battery pack, for example, a non-linear flexible connecting piece with the application number of 201920384710.7, and the insulating rubber protective cover is easy to loosen.
SUMMERY OF THE UTILITY MODEL
The utility model discloses copper bar needs plus part could realize locking shortcoming among the prior art, provides a flexible coupling copper bar with locking function.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a flexible coupling copper bar with locking function, including the copper bar, the both ends of copper bar are all bent and are formed the portion of bending, the tip of the portion of bending all is equipped with the bolt hole, install the insulating rubber protection casing in the portion of bending, the pyrocondensation has insulating heat shrinkage bush on the copper bar, the insulating rubber protection casing is injection moulding as an organic whole, the insulating rubber protection casing includes helmet and locking piece, locking piece one end is connected with the lateral wall of helmet, the locking piece other end is bent the back and is walked around the lower extreme of the portion of bending and establish on its interior lateral wall. When this flexible coupling copper bar passes through the bolt-up on the group battery, the bolt can be pressed on the copper bar, the copper bar recompression is on locking piece, locking piece is by the outside elasticity of bolt compression deformation production to play locking effect, locking piece is insulating rubber protection casing partly, locking piece makes on the one hand to be connected more firm between flexible coupling copper bar and the group battery, and on the other hand makes installing on the copper bar that insulating rubber protection casing can be firmly, difficult separation between the two. The protective cap can protect the bolt head and avoid collision.
Preferably, the free end of the anti-loosening sheet is provided with a mounting hole, and the mounting hole, the bolt hole and the protective cap are arranged on the same axis. The bolt can pass bolt hole and mounting hole to compress tightly the copper bar on locking piece.
Preferably, the insulating rubber protective cover comprises a cover body, the lower end of the cover body is connected with the protective cap, a protective cover is formed at the upper end of the cover body, and the protective cover is sleeved at the upper end of the bending part. The protective sleeve is sleeved on the copper bar, so that the upper end of the insulating rubber protective cover can be firmly installed on the copper bar.
Preferably, the upper end of the protective sleeve is integrally formed with a positioning piece, the width of the positioning piece is larger than or equal to that of the copper bar, the positioning piece is attached to the bending position of the copper bar after being bent, and the free end of the positioning piece extends into the insulating heat-shrinkable sleeve. The spacer is used for fixing a position the insulating rubber protection casing for it can not slide from top to bottom on the copper bar, and the insulating rubber protection casing can zonulae occludens with the copper bar.
Preferably, the copper bar comprises at least 20 copper sheets and 4 nickel sheets, all the copper sheets are stacked to form a copper lamination, and the nickel sheets are welded on two sides of the copper lamination.
Preferably, the insulating heat-shrinkable sleeve is wound with a cloth-based adhesive tape. The cloth base adhesive tape can play a role in anti-friction protection for the insulating heat-shrinkable sleeve at the non-connection part of the copper bar, and the reduction of the service life of the product caused by friction is avoided.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
when this flexible coupling copper bar passes through the bolt-up on the group battery, the bolt can be pressed on the copper bar, the copper bar recompression is on locking piece, locking piece is by the outside elasticity of bolt compression deformation production to play locking effect, locking piece is insulating rubber protection casing partly, locking piece makes on the one hand to be connected more firm between flexible coupling copper bar and the group battery, and on the other hand makes installing on the copper bar that insulating rubber protection casing can be firmly, difficult separation between the two. The protective cap can protect the bolt head and avoid collision.
Drawings
Fig. 1 is a schematic structural view of the present invention in a first position state.
Fig. 2 is a schematic structural diagram of the present invention in the second position.
Fig. 3 is a schematic view of the structure of fig. 1 without the insulating rubber boot.
The names of the parts designated by the numerical references in the above figures are as follows:
1-copper bar, 11-bending part, 111-bolt hole
2-insulating rubber protective cover, 21-protective cap, 22-anti-loose piece, 23-cover body, 24-positioning piece, 221-mounting hole and 231-protective cover
3-insulating heat-shrinkable sleeve
4-cloth base adhesive tape
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3 and examples.
Example 1
The utility model provides a flexible coupling copper bar with locking function, includes copper bar 1, and the both ends of copper bar 1 are all bent and are formed the portion of bending 11, and this flexible coupling copper bar shape is the doorframe shape. The tip of the portion 11 of bending all is equipped with bolt hole 111, bolt hole 111 makes things convenient for the bolt to pass, thereby make the portion 11 of bending can be firmly install on the group battery, install insulating rubber protection casing 2 on the portion 11 of bending, the pyrocondensation has insulating heat shrinkage bush 3 on the copper bar 1, insulating rubber protection casing 2 injection moulding as an organic whole, insulating rubber protection casing 2 includes helmet 21 and anti-loosening piece 22, anti-loosening piece 22 one end is connected with the lateral wall of helmet 21, the anti-loosening piece 22 other end is buckled the back and is walked around the lower extreme of the portion 11 of bending and establish on its inside wall, anti-loosening piece 22 establishes between copper bar 1 and group battery promptly. When the flexible connection copper bar is fastened on the battery pack through the bolt, the bolt can be pressed on the copper bar, the copper bar 1 is pressed on the anti-loosening sheet 22 again, the anti-loosening sheet 22 is compressed and deformed by the bolt to generate outward elastic force, and therefore the anti-loosening effect is achieved
The free end of the anti-loosening sheet 22 is provided with a mounting hole 221, the bolt hole 111 and the protective cap 21 are on the same axis, and it is guaranteed that a bolt can penetrate through the bolt hole 111 and the mounting hole 221, so that the copper bar 1 is tightly pressed on the anti-loosening sheet 22.
Insulating rubber protection casing 2 is connected with helmet 21 including the cover body 23, cover body 23 lower extreme, and cover body 23 upper end forms lag 231, and lag 231 suit is in the upper end of 11 of bending, and under lag 231's effect, insulating rubber protection casing 2 is difficult for taking place circumferential displacement.
The copper bar 1 comprises at least 20 copper sheets and 4 nickel sheets, the number of the copper sheets in the embodiment is 40, the thickness of each copper sheet is 0.1mm, all the copper sheets are overlapped to form a copper lamination, the nickel sheets are welded on two sides of each copper lamination, the welding positions are subjected to polishing treatment, the whole copper bar is subjected to passivation treatment, and the copper bar is prevented from rusting.
Example 2
The embodiment 2 has basically the same characteristics as the embodiment 1, except that the upper end of the protective sleeve 231 is integrally formed with a positioning piece 24, the width of the positioning piece 24 is greater than or equal to the width of the copper bar 1, the positioning piece 24 is attached to the bending part of the copper bar 1 after being bent, and the free end of the positioning piece 24 extends into the insulating heat-shrinkable sleeve 3. The locating piece 24 is used for locating the insulating rubber protection cover 2, so that the insulating rubber protection cover 2 cannot slide up and down on the copper bar 1, and the insulating rubber protection cover 2 and the copper bar 1 can be tightly connected. The wide locating piece 24 can cover the bending position of the copper bar 1, so that the bending position of the copper bar 1 is prevented from being exposed outside, and the safety is improved.
Example 3
The embodiment 3 has the same characteristics as the embodiment 1 or 2, and the difference is that the cloth-based adhesive tape 4 is wound on the insulating heat-shrinkable sleeve 3, the conventional soft copper bar is generally insulated and protected only by the insulating heat-shrinkable sleeve 3 at an external non-connection part, and the situation that the insulating heat-shrinkable sleeve 3 is damaged and loses the insulating effect due to friction and collision generated in the use process of the soft copper bar is not considered, so that certain potential safety hazards exist. The cloth-based adhesive tape 4 can play an anti-friction protection role in the insulating heat-shrinkable sleeve 3 at the non-connection part of the copper bar 1, and the reduction of the service life of the product due to friction is avoided.
Claims (6)
1. The utility model provides a flexible coupling copper bar with locking function, includes copper bar (1), the both ends of copper bar (1) are all bent and are formed portion of bending (11), and the tip of portion of bending (11) all is equipped with bolt hole (111), installs insulating rubber protection casing (2) on portion of bending (11), and the pyrocondensation has insulating heat shrinkage bush (3), its characterized in that on copper bar (1): insulating rubber protection casing (2) are injection moulding as an organic whole, and insulating rubber protection casing (2) include helmet (21) and locking piece (22), and locking piece (22) one end is connected with the lateral wall of helmet (21), and locking piece (22) other end is buckled the back and is walked around the lower extreme of the portion of bending (11) and establish on its inner wall.
2. The flexible connection copper bar with locking function of claim 1, characterized in that: the free end of the anti-loosening sheet (22) is provided with a mounting hole (221), and the mounting hole (221), the bolt hole (111) and the protective cap (21) are on the same axis.
3. The flexible connection copper bar with locking function of claim 1, characterized in that: the insulating rubber protective cover (2) comprises a cover body (23), the lower end of the cover body (23) is connected with the protective cap (21), a protective cover (231) is formed at the upper end of the cover body (23), and the protective cover (231) is sleeved at the upper end of the bending part (11).
4. The flexible connection copper bar with locking function of claim 1, characterized in that: the upper end integrated into one piece of lag (231) has spacer (24), and the width of spacer (24) is more than or equal to the width of copper bar (1), and the laminating is in the department of bending of copper bar (1) after spacer (24) buckle, and the free end of spacer (24) stretches into in insulating heat shrinkage bush (3).
5. The flexible connection copper bar with locking function of claim 1, characterized in that: the copper bar (1) comprises at least 20 copper sheets and 4 nickel sheets, all the copper sheets are overlapped to form a copper lamination, and the nickel sheets are welded on two sides of two ends of the copper lamination.
6. The flexible connection copper bar with the anti-loosening function as claimed in any one of claims 1 to 5, wherein: the insulating heat-shrinkable sleeve (3) is wound with a cloth-based adhesive tape (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220882328.0U CN217740734U (en) | 2022-04-15 | 2022-04-15 | Flexible coupling copper bar with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220882328.0U CN217740734U (en) | 2022-04-15 | 2022-04-15 | Flexible coupling copper bar with locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217740734U true CN217740734U (en) | 2022-11-04 |
Family
ID=83817113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220882328.0U Active CN217740734U (en) | 2022-04-15 | 2022-04-15 | Flexible coupling copper bar with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217740734U (en) |
-
2022
- 2022-04-15 CN CN202220882328.0U patent/CN217740734U/en active Active
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