CN218448317U - Lithium battery and total positive and total negative connection structure thereof - Google Patents
Lithium battery and total positive and total negative connection structure thereof Download PDFInfo
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- CN218448317U CN218448317U CN202222182386.5U CN202222182386U CN218448317U CN 218448317 U CN218448317 U CN 218448317U CN 202222182386 U CN202222182386 U CN 202222182386U CN 218448317 U CN218448317 U CN 218448317U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model belongs to the technical field of the lithium cell, specifically relate to a lithium cell and total positive total negative connection structure thereof. The utility model discloses a lithium battery and a total positive and total negative connecting structure thereof, wherein the total positive and total negative connecting structure of the lithium battery comprises a battery shell and a battery unit, and the battery unit is arranged in the battery shell; the battery shell comprises a lower shell and an upper cover, wherein the top opening of the lower shell is arranged, and the upper cover is covered on the opening of the lower shell; the top surface of the upper cover is provided with two sockets, and the bottoms of the two sockets are respectively provided with a plug-in terminal which extends downwards and protrudes out of the lower surface of the upper cover; the positive pole and the negative pole of the battery unit are respectively provided with a jack, and the two plug terminals are respectively inserted into the jacks of the positive pole and the negative pole and are clamped and fixed for electric connection. The utility model has simple structure, few assembling procedures, easy assembly and strong practicability; and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell, specifically relate to a lithium cell and total positive total negative connection structure thereof.
Background
The lithium battery has the advantages of high working voltage, large energy density, light weight, repeated use, environmental protection and the like, and is widely applied to various industries. With the increasing demand of the society for lithium batteries, the market scale thereof is rapidly expanding, and thus, research and investment on lithium batteries are increasing.
The traditional lithium battery connection mode is that a wire harness or an aluminum bar is used as a locking pair, for example, a lithium battery module disclosed in chinese patent CN104576979A comprises a battery case, a battery cover and a lithium battery, wherein the battery case and the battery cover are fixed by screws, and one side of the battery case is provided with a positive and negative outlet hole and a protective coil; the positive and negative copper bars on one side of the lithium battery are connected with the Anderson plug-in unit through leads, and the Anderson plug-in unit extends out of the positive and negative wire outlet holes. The traditional connecting mode has the disadvantages of complex structure, more production procedures, difficult assembly and high cost; and the wiring harness is exposed outside the battery shell, is not simple and beautiful enough and is easy to cause the damage of the wire ends.
Disclosure of Invention
An object of the utility model is to provide a lithium cell and total positive total negative connection structure thereof is used for solving foretell technical problem.
In order to realize the purpose, the utility model discloses a technical scheme as follows: a total positive and total negative connection structure of a lithium battery comprises a battery shell and a battery unit, wherein the battery unit is arranged in the battery shell; the battery shell comprises a lower shell and an upper cover, wherein the top opening of the lower shell is arranged, and the upper cover is covered on the opening of the lower shell; the top surface of the upper cover is provided with two sockets, and the bottoms of the two sockets are respectively provided with a plug-in terminal which extends downwards and protrudes out of the lower surface of the upper cover; the positive pole and the negative pole of the battery unit are respectively provided with a jack, and the two plug terminals are respectively inserted into the jacks of the positive pole and the negative pole and are clamped and fixed for electric connection.
Furthermore, the side wall of the plug terminal is provided with an elastically telescopic clamping protrusion, and the side wall of the jack is provided with a clamping groove; the plug-in terminal is clamped and fixed with the jack for electric connection through the clamping convex card arranged in the clamping groove.
Furthermore, the plug terminal is provided with a body, the number of the clamping protrusions is 2, the two opposite sides of the body are respectively provided with an installation groove, and the two clamping protrusions are respectively arranged on the two installation grooves; the clamping protrusion is composed of an elastic sheet, one end of the elastic sheet is connected to the side wall of the mounting groove, and the other end of the elastic sheet is a free end, and the middle position of the elastic sheet protrudes towards the direction far away from the body.
Furthermore, the plug terminal is made of copper material.
Further, the positive electrode and the negative electrode of the battery unit are respectively composed of a first connecting sheet and a second connecting sheet; the first connecting piece and the second connecting piece are respectively and fixedly connected to the battery unit, and the two jacks are respectively arranged on the first connecting piece and the second connecting piece.
Furthermore, the first connecting piece is of a rectangular structure, one end of the first connecting piece is provided with a fixing hole, and one jack is arranged at the other end of the first connecting piece; the fixing hole of the first connecting piece is fixedly connected with the bolt so that the first connecting piece is fixedly connected to the battery unit; the second connecting piece includes a stationary blade, and the one end of stationary blade is the free end, and the other end extends to one side and forms connecting portion, and connecting portion orientation upper cover direction, another jack setting are on connecting portion.
Furthermore, a plurality of fixing holes are formed in the fixing sheet of the second connecting sheet, and bolts penetrate through the fixing holes to fix the second connecting sheet on the side wall of the battery unit.
Furthermore, the first connecting piece and the second connecting piece are formed by aluminum rows.
Furthermore, the upper cover is provided with a plurality of transparent windows for observing the plug terminals and the jacks.
The utility model also provides a lithium cell is equipped with the total positive total negative connection structure of foretell lithium cell.
The utility model has the advantages of:
the utility model is respectively inserted into the jacks of the anode and the cathode through the two plug terminals, and is clamped and fixed for electric connection; the structure is simple, the assembly process is few, the assembly is easy, and the practicability is strong; the cost is reduced, the connection is stable, and the electric connection performance is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the present invention;
fig. 2 is an exploded perspective view of the present invention;
fig. 3 is an exploded perspective view of another angle of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is a top view of the present invention;
fig. 6 is a perspective sectional view and a partially enlarged view of the present invention.
Description of reference numerals:
the battery pack comprises a lower shell 1, a battery unit 2, an upper cover 3, a jack 4, a first connecting sheet 5, a second connecting sheet 6, a socket 31, a plug terminal 32, a transparent window 33, a fixing sheet 61, a connecting part 62, a clamping protrusion 321 and a body 322.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 6, a total positive and total negative connection structure of a lithium battery includes a battery case and a battery unit 2; the battery unit 2 is disposed in the battery case; the battery shell comprises a lower shell 1 and an upper cover 3, wherein the top of the lower shell 1 is provided with an opening, and a battery unit 2 is placed into the lower shell 1 from the opening of the lower shell 1; the upper cover 3 covers the opening of the lower case 1.
In this embodiment, as shown in fig. 4, two sockets 31 are disposed on the top surface of the upper cover 3, and the bottom portions of the two sockets 31 respectively have plug terminals 32 extending downward and protruding out of the lower surface of the upper cover 3; the positive pole and the negative pole of the battery unit 2 are respectively provided with a jack 4, when the upper cover 3 is covered on the lower shell 1, the two plug terminals 32 are respectively inserted in the jacks 4 of the positive pole and the negative pole, and are clamped and fixed for electric connection.
In this embodiment, the side wall of the plug terminal 32 is provided with elastically stretchable clamping protrusions 321, specifically, as shown in fig. 6, the plug terminal 32 has a body 322, the number of the clamping protrusions 321 is 2, the body 322 is i-shaped, and two opposite sides are respectively provided with an installation groove, and the two clamping protrusions 321 are respectively arranged on the two installation grooves; the locking projection 321 is formed by a spring plate, one end of the spring plate is connected to the side wall of the mounting groove, and the other end of the spring plate is a free end; the middle position of the elastic sheet protrudes towards the direction far away from the body 322 to form a V shape; the bottom of the body 322 is also provided with a guiding inclined plane along the circumferential direction, so that the plug-in terminal 32 can be conveniently inserted into the jack 4. In some embodiments, the number of the locking protrusions 321 may also be 1, 3, 4, etc., and is not limited to 2 in this embodiment.
In this embodiment, as shown in fig. 6, a clamping groove 41 is formed on a side wall of the insertion hole 4; the shape of the clamping groove 41 is matched with that of the clamping protrusion 321; when the plug terminal 32 is inserted into the jack 4, under the guiding effect of the guiding inclined plane of the body 322, the plug terminal 32 is smoothly inserted into the jack 4 until the locking protrusion 321 is locked in the locking groove 41, so that the plug terminal 32 is locked and fixed with the jack 4 for electrical connection.
In this embodiment, the two inserting terminals 32 and the upper cover 3 are integrally formed, so that the production is simple and the assembling process is reduced. Of course, in other embodiments, the plug terminal 32 may be designed separately from the upper cover 3, and the plug terminal 32 is connected to the upper cover 3 by being snapped into the upper cover 3.
In the embodiment, the plug terminal 32 is made of copper material, and copper has good conductivity, low cost, mature preparation process and easy implementation.
In the present embodiment, as shown in fig. 3, the positive electrode and the negative electrode of the battery cell 2 are constituted by the first connection piece 5 and the second connection piece 6, the first connection piece 5 and the second connection piece 6 are fixedly connected to the battery cell 2, respectively, and the two insertion holes 4 are provided in the first connection piece 5 and the second connection piece 6, respectively. The jack 4 is a through hole, so that the processing is easy and the plug-in terminal 32 is conveniently electrically connected with the jack 4.
The first connecting piece 5 is of a rectangular structure, one end of the first connecting piece is provided with a fixing hole, and the jack 4 is arranged at the other end of the first connecting piece 5. As shown in fig. 3, a bolt is provided on the top surface of the battery cell 2, the first connection piece 5 is fitted over the bolt through the fixing hole, and the first connection piece 5 is fixedly connected to the top surface of the battery cell 2 by screwing a nut onto the bolt.
As shown in fig. 3, the second connecting piece 6 includes a fixing piece 61, one end of the fixing piece 61 is a free end, the other end extends to one side to form a connecting portion 62, the connecting portion 62 faces the upper cover 3, and the insertion hole 4 is arranged on the connecting portion 62; a plurality of fixing holes are formed in the fixing piece 61, a mounting seat is arranged on the side wall of the battery unit 2, and bolt holes with the same number as the fixing holes in the fixing piece 61 are formed in the mounting seat; bolts penetrate through the fixing holes and the bolt holes in the fixing seat to fixedly connect the fixing sheet 61 to the side wall of the battery unit 2; in this embodiment, the number of the fixing holes is 2, and the second connecting piece 6 can be stably fixed to the battery cell 2, but in other embodiments, the number of the fixing holes may be 3, 4, or the like, and the number is not limited to the number in this embodiment, and stable connection may be ensured.
In this embodiment, the first connecting piece 5 and the second connecting piece 6 are made of aluminum bars, and the aluminum bars have good conductivity, light weight, good processability and low price, and are beneficial to cost control. Of course, in other embodiments, the first connecting piece 5 and the second connecting piece 6 can also be made of copper bars. Are common techniques in the art and are not described in detail.
In this embodiment, as shown in fig. 1 and 2, the upper cover 3 is provided with a plurality of transparent windows 33; the transparent window 33 is rectangular; a plurality of transparent windows 33 are disposed near the plug terminals 32 for observing the butt joint condition of the plug terminals 32 and the jacks 4.
As shown in fig. 5, in the present embodiment, the number of the transparent windows 33 is 2, and the connections of the plug terminals 32 at two sides can be checked respectively; of course, in other embodiments, a large transparent window 33 can be provided, and the skilled person can design the window according to the specific situation.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A total positive and total negative connection structure of a lithium battery comprises a battery shell and a battery unit, wherein the battery unit is arranged in the battery shell; the battery shell comprises a lower shell and an upper cover, wherein the top opening of the lower shell is arranged, and the upper cover is arranged on the opening of the lower shell; the method is characterized in that: the top surface of the upper cover is provided with two sockets, and the bottoms of the two sockets are respectively provided with a plug-in terminal which extends downwards and protrudes out of the lower surface of the upper cover; the positive pole and the negative pole of the battery unit are respectively provided with a jack, and the two plug terminals are respectively inserted into the jacks of the positive pole and the negative pole and are clamped and fixed for electric connection.
2. The lithium battery total positive total negative connection structure of claim 1, characterized in that: the side wall of the plug-in terminal is provided with an elastically telescopic clamping protrusion, and the side wall of the jack is provided with a clamping groove; the plug terminal is clamped and fixed with the jack for electric connection through the clamping convex card arranged in the clamping groove.
3. The lithium battery total positive total negative connection structure of claim 2, characterized in that: the plug-in terminal is provided with a body, the number of the clamping protrusions is 2, two opposite sides of the body are respectively provided with a mounting groove, and the two clamping protrusions are respectively arranged on the two mounting grooves; the clamping protrusion is composed of an elastic sheet, one end of the elastic sheet is connected to the side wall of the mounting groove, and the other end of the elastic sheet is a free end, and the middle position of the elastic sheet is protruded towards the direction far away from the body.
4. The lithium battery total positive total negative connection structure of claim 3, characterized in that: the plug terminal is made of copper material.
5. The lithium battery total positive total negative connection structure of claim 1, characterized in that: the positive electrode and the negative electrode of the battery unit are respectively composed of a first connecting sheet and a second connecting sheet; the first connecting piece and the second connecting piece are respectively and fixedly connected to the battery unit, and the two jacks are respectively arranged on the first connecting piece and the second connecting piece.
6. The lithium battery total positive total negative connection structure of claim 5, characterized in that: the first connecting piece is of a rectangular structure, one end of the first connecting piece is provided with a fixing hole, and one jack is arranged at the other end of the first connecting piece; the fixing hole of the first connecting sheet is fixedly connected with the bolt so that the first connecting sheet is fixedly connected to the battery unit; the second connecting piece includes a stationary blade, and the one end of stationary blade is the free end, and the other end extends to one side and forms connecting portion, and connecting portion orientation upper cover direction, another jack setting are on connecting portion.
7. The lithium battery total positive total negative connection structure of claim 6, characterized in that: and a plurality of fixing holes are formed in the fixing sheet of the second connecting sheet, and the bolt penetrates through the fixing holes to fix the second connecting sheet on the side wall of the battery unit.
8. The lithium battery total positive total negative connection structure of claim 5, characterized in that: the first connecting piece and the second connecting piece are composed of aluminum rows.
9. The lithium battery total positive and total negative connection structure of claim 1, wherein: the upper cover is provided with a plurality of transparent windows for observing the plug terminals and the jacks.
10. A lithium battery, characterized by: a lithium battery total positive total negative connection structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182386.5U CN218448317U (en) | 2022-08-18 | 2022-08-18 | Lithium battery and total positive and total negative connection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182386.5U CN218448317U (en) | 2022-08-18 | 2022-08-18 | Lithium battery and total positive and total negative connection structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218448317U true CN218448317U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222182386.5U Active CN218448317U (en) | 2022-08-18 | 2022-08-18 | Lithium battery and total positive and total negative connection structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218448317U (en) |
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2022
- 2022-08-18 CN CN202222182386.5U patent/CN218448317U/en active Active
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