Assembled battery pole

Abstract

The utility model provides an assembled battery pole column which comprises a pole column body, and a stepped groove is formed in the center of an inner cavity of the pole column body; the liquid injection column is inserted into the stepped groove; a through liquid injection hole is formed in the middle of an inner cavity of the liquid injection column; the fixing ring is mounted in the stepped groove, and the upper end of the liquid injection column is sleeved with the fixing ring; the sealing cover is arranged on the stepped groove in a covering manner; according to the combined pole provided by the utility model, the liquid injection hole is formed in the liquid injection column, when liquid injection is needed, the sealing cover is unscrewed to expose the liquid injection column, liquid can be supplemented into a battery through the liquid injection hole, and after liquid injection is completed, the sealing cover is covered, and the liquid injection hole is sealed through the sealing cover. The liquid injection hole can be opened and sealed through rotation, the combined structure is convenient to disassemble, assemble and maintain, operation is easy, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of lithium ion batteries, in particular to a combined battery pole. Background Art

[0002] As the main power source for new energy vehicles, batteries have become one of the core components of electric vehicles. With the emergence of recycling pressure caused by the large volume of retired batteries, the cascade utilization of retired power batteries can extend the battery life, give full play to their residual value, promote the consumption of new energy, alleviate the recycling pressure caused by the large volume of retired batteries, reduce the industrial cost of electric vehicles, and drive the development of the new energy vehicle industry.

[0003] At present, the performance of used batteries is rapidly degraded due to the phenomenon of electrolyte starvation, so the demand for secondary battery refilling is increasing. The injection hole in the prior art is set on the battery top cover. When refilling the battery, the sealing pin in the injection hole needs to be pulled out before refilling. Because the sealing pin is usually welded and fixed to the top cover, pulling out the sealing pin is cumbersome and inefficient.

[0004] To this end, we propose a combined battery pole to solve the problems of cumbersome operation and low efficiency during fluid replenishment. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art. In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A battery pole assembly includes: a pole body, a stepped groove is arranged at the center of the inner cavity of the pole body; a liquid injection column, the liquid injection column is inserted into the stepped groove; a liquid injection hole is opened through the middle of the inner cavity of the liquid injection column; a fixing ring, the fixing ring is installed in the stepped groove and is sleeved on the upper end of the liquid injection column; and a sealing cover is arranged on the stepped groove.

[0007] Further preferably, the stepped groove comprises an upper groove, a through hole and a lower groove; the through hole is connected with the upper groove and the lower groove.

[0008] Further preferably, a through internal thread is opened in the middle of the inner cavity of the fixing ring, and the fixing ring is connected to the upper end of the injection column through the thread.

[0009] Further preferably, a through circular hole is opened in the middle of the inner cavity of the fixing ring, and the fixing ring is sleeved on the upper end of the injection column and fixed by welding.

[0010] Further preferably, the outer wall of the sealing cover is provided with an external thread, and a sealing gasket is adhered to the bottom of the sealing cover.

[0011] Further preferably, the inner wall of the upper groove is provided with an internal thread, and the depth of the upper groove is greater than or equal to the sum of the thicknesses of the fixing ring and the sealing cover, so that the top surface of the sealing cover is flush with the top surface of the pole body or slightly lower than the top surface of the pole body.

[0012] Further preferably, the injection column is a T-shaped structure.

[0013] Further preferably, a hexagonal groove is provided on the upper surface of the sealing cover, and the sealing cover is easily installed through the hexagonal groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The combined pole provided by the utility model has a liquid injection hole arranged in the liquid injection column. When liquid injection is needed, the sealing cover is unscrewed to expose the liquid injection column, and liquid can be replenished into the battery through the liquid injection hole. After the liquid injection is completed, the sealing cover is covered to seal the liquid injection hole. The sealing cover of the utility model adopts a threaded connection, and the liquid injection hole can be opened and sealed by rotation. Its combined structure is convenient for disassembly, assembly and maintenance, and the operation is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the utility model;

[0017] Figure 2 is a cross-sectional view of the pole body;

[0018] Figure 3 is a cross-sectional view of the injection column and the fixing ring;

[0019] Figure 4 It is a schematic diagram of the structure of the sealing cover.

[0020] In the figure: pole body 1, injection column 2, fixing ring 3, sealing cover 4, upper groove 11, through hole 12, lower groove 13, injection hole 21, external thread 41, hexagonal groove 42. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 4 A battery pole assembly includes: a pole body 1, wherein a stepped groove is arranged at the center of the inner cavity of the pole body 1; a liquid injection column 2, wherein the liquid injection column 2 is inserted into the stepped groove; a liquid injection hole 21 is opened through the middle of the inner cavity of the liquid injection column 2; a fixing ring 3, wherein the fixing ring 3 is installed in the stepped groove and is sleeved on the upper end of the liquid injection column 2; and a sealing cover 4, wherein the sealing cover 4 is covered on the stepped groove.

[0023] In one embodiment: the injection hole 21 is set in the injection column 2. When injection is needed, the sealing cover 4 is unscrewed to expose the injection column 2. At this time, liquid can be added to the battery through the injection hole 21. After the injection is completed, the sealing cover 4 is covered to seal the injection hole 21. The sealing cover 4 can be rotated to open and seal the injection hole. The operation is simple and efficient.

[0024] The stepped groove includes an upper groove 11 , a through hole 12 and a lower groove 13 ; the through hole 12 is connected with the upper groove 11 and the lower groove 13 .

[0025] In one embodiment: the through hole 12 is used to cooperate with the straight rod on the inverted T-shaped injection column 2, the upper groove 11 is used to cooperate with the fixing ring 3, and the lower groove 13 is used for installing the head of the inverted T-shaped injection column 2.

[0026] An internal thread is provided in the middle of the inner cavity of the fixing ring 3 , and the fixing ring 3 is connected to the upper end of the injection column 2 through the thread.

[0027] In one embodiment, the injection column 2 is inserted into the through hole 12 from the lower groove 13 , and the fixing ring 3 is connected to the upper end of the injection column 2 through threads to form an I-shaped structure, which is snap-fitted into the through hole 12 .

[0028] A through circular hole is opened in the middle of the inner cavity of the fixing ring 3 , and the fixing ring 3 is sleeved on the upper end of the injection column 2 and fixed by welding.

[0029] In one embodiment, the injection column 2 is inserted into the through hole 12 from the lower groove 13 , the fixing ring 3 is sleeved on the upper end of the injection column 2 , and then fixed by welding to form an I-shaped structure, which is snap-fitted into the through hole 12 .

[0030] The outer wall of the sealing cover 4 is provided with an external thread, and a sealing gasket is adhered to the bottom of the sealing cover 4; the inner wall of the upper groove is provided with an internal thread, and the depth of the upper groove is greater than or equal to the sum of the thicknesses of the fixing ring 3 and the sealing cover 4.

[0031] In one embodiment: the sealing cover 4 is connected to the upper groove by a thread, and the sealing gasket at the bottom of the sealing cover 4 is pressed on the injection column 2 and / or the fixing ring 3 to seal the injection hole 21; the depth of the upper groove is greater than or equal to the sum of the thickness of the fixing ring 3 and the sealing cover 4, and the top surface of the installed sealing cover 4 is flush with the top surface of the pole body 1 or slightly lower than the top surface of the pole body 1.

[0032] The injection column 2 is a T-shaped structure.

[0033] In one embodiment, the upper end of the injection column 2 and the fixing ring 3 are assembled into an I-shaped structure, which is convenient for being snap-fitted and fixed in the through hole 12 .

[0034] A hexagonal groove 42 is formed on the upper surface of the sealing cover 4 .

[0035] In one embodiment, the hexagonal wrench socket facilitates the rotation of the sealing cover 4 through the hexagonal groove 42 , which is beneficial to the installation of the sealing cover 4 and the upper groove 11 .

[0036] The combined pole provided by the utility model has a liquid injection hole arranged in the liquid injection column. When liquid injection is needed, the sealing cover is unscrewed to expose the liquid injection column, and liquid can be replenished into the battery through the liquid injection hole. After the liquid injection is completed, the sealing cover is covered to seal the liquid injection hole. The sealing cover of the utility model adopts a threaded connection, and the liquid injection hole can be opened and sealed by rotation. Its combined structure is convenient for disassembly, assembly and maintenance, and the operation is simple and efficient.

Claims

1. A battery assembly pole, characterized in that: include: A pole body, wherein a stepped groove is provided at the center of the inner cavity of the pole body; An injection column, the injection column is inserted into the stepped groove; a through injection hole is opened in the middle of the inner cavity of the injection column; A fixing ring, which is installed in the stepped groove and sleeved on the upper end of the injection column; A sealing cover is disposed on the stepped groove.

2. A battery assembly pole according to claim 1, characterized in that: The stepped groove comprises an upper groove, a through hole and a lower groove; the through hole is connected with the upper groove and the lower groove.

3. The assembled battery pole according to claim 1, characterized in that: An internal thread is provided in the middle of the inner cavity of the fixing ring, and the fixing ring is connected to the upper end of the injection column through the thread.

4. The assembled battery pole according to claim 1, characterized in that: A penetrating circular hole is opened in the middle of the inner cavity of the fixing ring. The fixing ring is sleeved on the upper end of the liquid injection column and fixed by welding.

5. The assembled battery pole according to claim 1, characterized in that: The outer wall of the sealing cover is provided with an external thread, and a sealing gasket is adhered to the bottom of the sealing cover.

6. A battery assembly pole according to claim 2, characterized in that: The inner wall of the upper groove is provided with an internal thread, and the depth of the upper groove is greater than or equal to the sum of the thicknesses of the fixing ring and the sealing cover.

7. The assembled battery pole according to claim 1, characterized in that: The injection column is a T-shaped structure.

8. The assembled battery pole according to claim 1, characterized in that: A hexagonal groove is formed on the upper surface of the sealing cover.

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