Lead storage battery

Abstract

The utility model discloses a lead storage battery which comprises a battery cover, a positive pole, a negative pole, a first battery terminal and a second battery terminal, the battery cover is provided with a positive pole hole and a negative pole hole, and the positive pole and the negative pole are respectively arranged in the positive pole hole and the negative pole hole of the battery cover. The first battery terminal and the second battery terminal sleeve the positive pole and the negative pole respectively, the first battery terminal comprises a first terminal connecting piece and a first limiting block, the first terminal connecting piece is provided with a first positioning connecting ring, and the second battery terminal comprises a second terminal connecting piece and a second limiting block; the second terminal connecting sheet is provided with a second positioning connecting ring. According to the lead storage battery disclosed by the utility model, the first limiting block is arranged on the first battery terminal, and the second limiting block is arranged on the second battery terminal, so that the first battery terminal can be stably sleeved on the positive pole, the second battery terminal can be stably sleeved on the negative pole, the welding quality of the battery terminals is improved, and the production quality of the lead storage battery is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production and processing, in particular to a lead-acid battery. Background Art

[0002] Battery terminals are components that connect lead-acid batteries to external conductors to conduct current. They are mainly used to transmit electrical signals or conduct electricity, ensuring that lead-acid batteries can effectively exchange power with external devices. Battery terminals are divided into positive terminals and negative terminals, and the battery terminals are welded to the lead poles inside.

[0003] The structure of the battery terminal in the existing lead-acid battery is usually composed of a metal substrate and an assembly hole, as shown in the accompanying drawings of the specification. Figure 1 As shown, the battery terminal assembly hole is set on the metal substrate. Usually, the assembly hole is covered on the pole, and then the battery terminal is welded to the pole using a welding gun.

[0004] The battery terminals in existing lead-acid batteries have the following shortcomings:

[0005] 1) The assembly hole of the metal substrate is sleeved on the pole, and the assembly hole of the metal substrate is prone to partially sinking or falling into the pole hole of the pole, causing the metal substrate to be unstable, affecting the welding between the metal substrate and the pole, and easily causing the welding between the battery terminal and the pole to become unsolderable, causing battery safety hazards or battery failure;

[0006] 2) During the welding process between the metal substrate and the pole, if there is instability, the staff will need to make adjustments, which wastes time and affects the welding efficiency of the battery terminal, and further affects the processing efficiency of the lead-acid battery. Utility Model Content

[0007] In response to the technical problems existing in the prior art, the technical problem to be solved by the present invention is to provide a lead-acid battery with a limit block set on the battery terminal to prevent the positioning connecting ring of the battery terminal from falling into or getting stuck in the pole hole, so that the battery terminal can be placed flat on the pole, thereby improving the stability and firmness of the welding between the battery terminal and the pole, improving the welding quality of the battery terminal, and thus improving the production quality of the lead-acid battery.

[0008] In order to solve the problems of the prior art, the utility model provides a lead-acid battery, which includes a battery cover, a positive electrode post, a negative electrode post, a first battery terminal, and a second battery terminal. The battery cover is provided with a positive electrode post hole and a negative electrode post hole, the positive electrode post and the negative electrode post are respectively installed in the positive electrode post hole and the negative electrode post hole of the battery cover, the first battery terminal and the second battery terminal are respectively sleeved on the positive electrode post and the negative electrode post, the first battery terminal includes a first terminal connecting piece and a first limiting block, the first limiting block is located at the end of the first terminal connecting piece and is connected to the first terminal connecting piece to form an integrated structure, the first terminal connecting piece is provided with a first positioning connecting ring, and the first positioning connecting ring is located on one side of the first limiting block; the second battery terminal includes a second terminal connecting piece and a second limiting block, the second limiting block is located at the end of the second terminal connecting piece and is connected to the second terminal connecting piece to form an integrated structure, the second terminal connecting piece is provided with a second positioning connecting ring, and the second positioning connecting ring is located on one side of the second limiting block.

[0009] Furthermore, both sides of the first terminal connecting piece extend outward to form first protrusions, and the first protrusions are located on one side of the first positioning connecting ring.

[0010] Furthermore, two sides of the second terminal connecting piece extend outward to form second protrusions, and the second protrusions are located on one side of the second positioning connecting ring.

[0011] Furthermore, the lead-acid battery includes a first rubber ring, which is mounted on the positive electrode post of the positive electrode post hole and is located below the first battery terminal. The positive electrode post hole is filled with a first sealant, and the first sealant is located above the first battery terminal.

[0012] Furthermore, the lead-acid battery includes a second rubber ring, which is mounted on the negative electrode post of the negative electrode post hole and is located below the second battery terminal. The negative electrode post hole is filled with a second sealant, and the first sealant is located above the second battery terminal.

[0013] Furthermore, an acid adding port is provided in the middle of the battery cover, and a cover sheet is installed above the acid adding port.

[0014] Furthermore, a safety valve is passed through the interior of the acid addition port.

[0015] Furthermore, the lead-acid battery includes a battery slot for placing a plurality of battery cells, the battery slot is located below a battery cover, and the battery cover is covered on the top of the battery slot.

[0016] Compared with the prior art, the solution of the present invention has at least the following beneficial effects:

[0017] The lead-acid battery of the utility model comprises a battery cover, a positive electrode column, a negative electrode column, a first battery terminal, and a second battery terminal. The battery cover is provided with a positive electrode column hole and a negative electrode column hole. The positive electrode column and the negative electrode column are respectively installed in the positive electrode column hole and the negative electrode column hole of the battery cover. The first battery terminal and the second battery terminal are respectively sleeved on the positive electrode column and the negative electrode column. The first battery terminal comprises a first terminal connecting piece and a first limiting block. The first terminal connecting piece is provided with a first positioning connecting ring. The second battery terminal comprises a second terminal connecting piece and a second limiting block. The second terminal connecting piece is provided with a second positioning connecting ring. The utility model provides a first limiting block on the first battery terminal and a second limiting block on the second battery terminal, thereby preventing the first positioning connection ring of the first battery terminal from falling into or getting stuck in the positive electrode post hole and the second positioning connection ring of the second battery terminal from falling into or getting stuck in the negative electrode post hole. The utility model allows the first battery terminal to be stably sleeved on the positive electrode post and the second battery terminal to be stably sleeved on the negative electrode post, thereby improving the stability and firmness of the welding between the first battery terminal and the positive electrode post and between the second battery terminal and the negative electrode post, improving the welding quality of the battery terminals, and thus improving the production quality of lead-acid batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments are briefly introduced below.

[0019] Figure 1 This is an overall diagram of a battery terminal in the prior art;

[0020] Figure 2 This is the overall structure diagram of the lead-acid battery of the utility model;

[0021] Figure 3 This is a schematic structural diagram of the first battery terminal of the present invention;

[0022] Figure 4 This is an internal cross-sectional view of the first battery terminal of the present invention;

[0023] Figure 5 This is a schematic structural diagram of the second battery terminal of the present invention;

[0024] Figure 6 This is an internal cross-sectional view of the second battery terminal of the present invention;

[0025] Figure 7 This is an internal cross-sectional view of the positive electrode column and the acid filling port in the lead-acid battery of the present invention;

[0026] Figure 8 For this utility model Figure 7 A detailed enlarged diagram of the positive pole;

[0027] Figure 9This is an internal cross-sectional view of the negative electrode column and acid filling port in the lead-acid battery clock of the present invention;

[0028] Figure 10 For this utility model Figure 9 Enlarged schematic diagram of the details of the middle negative column;.

[0029] In the figure: metal substrate 01, assembly hole 011, battery cover 1, positive electrode column hole 11, negative electrode column hole 12, first rubber ring 13, first sealant 14, second rubber ring 15, second sealant 16, acid adding port 17, cover 18, safety valve 19, positive electrode column 2, negative electrode column 3, first battery terminal 4, first terminal connecting piece 41, first limit block 42, first positioning connecting ring 43, first protrusion 44, second battery terminal 5, second terminal connecting piece 51, second limit block 52, second positioning connecting ring 53, second protrusion 54, battery slot 6. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] like Figure 1 As shown, the structure of the existing battery terminal consists of a metal substrate 01 and an assembly hole 011 , and the assembly hole 011 is set on the metal substrate 01 .

[0032] like Figure 2-Figure 6As shown, the first embodiment of the present invention provides a lead-acid battery, which includes a battery cover 1, a positive electrode column 2, a negative electrode column 3, a first battery terminal 4, and a second battery terminal 5. The battery cover 1 is provided with a positive electrode column hole 11 and a negative electrode column hole 12. The positive electrode column 2 and the negative electrode column 3 are respectively installed in the positive electrode column hole 11 and the negative electrode column hole 12 of the battery cover 1. The first battery terminal 4 and the second battery terminal 5 are respectively sleeved on the positive electrode column 2 and the negative electrode column 3. When specifically implemented, the present invention sets the first battery terminal 4 and the second battery terminal 5 to a Z-shaped structure, wherein the first battery terminal 4 includes a first terminal connecting piece 41 And a first limit block 42, the first limit block 42 is located at the end of the first terminal connecting piece 41 and is connected to the first terminal connecting piece 41 to form an integrated structure, the first terminal connecting piece 41 is provided with a first positioning connecting ring 43, and the first positioning connecting ring 43 is located on one side of the first limit block 42; the second battery terminal 5 includes a second terminal connecting piece 51 and a second limit block 52, the second limit block 52 is located at the end of the second terminal connecting piece 51 and is connected to the second terminal connecting piece 51 to form an integrated structure, the second terminal connecting piece 51 is provided with a second positioning connecting ring 53, and the second positioning connecting ring 53 is located on one side of the second limit block 52. The first battery terminal 4 of the present invention is sleeved on the positive electrode column 2 through the first positioning connecting ring 43, and the first limiting block 42 allows the first battery terminal 4 to be stably sleeved on the positive electrode column 2 to prevent the first positioning connecting ring 43 from sinking into or falling into the positive electrode column hole 11, which facilitates the first battery terminal 4 to be stably welded at the positive electrode column hole 11. The second battery terminal 5 is sleeved on the negative electrode column 3 through the second positioning connecting ring 53, and the second limiting block 52 allows the second battery terminal 5 to be stably sleeved on the negative electrode column 3 to facilitate the second battery terminal 5 to be stably welded at the negative electrode column hole 12. The first limiting block 4 provided for the first battery terminal 4 of the present invention The second limiting block 52 provided on the block 42 and the second battery terminal 5 plays a limiting role in the flat placement and welding of the first battery terminal 4 and the second battery terminal 5, preventing the first positioning connection ring 43 from falling into the positive electrode column hole 11 during the process of being sleeved on the positive electrode column 2, and preventing the second positioning connection ring 53 from falling into the negative electrode column hole 12 during the process of being sleeved on the negative electrode column 3. At the same time, it also prevents the first battery terminal 4 and the second battery terminal 5 from being pressed down or tilted during the welding process, thereby ensuring the welding quality of the battery terminals. It can also avoid the workers from wasting energy and time to adjust the battery terminals before welding, thereby improving the welding efficiency of the battery terminals, and thus improving the production quality and production efficiency of lead-acid batteries.

[0033] The two sides of the first terminal connecting piece 41 of the present invention extend outward to form a first protrusion 44, which is located on one side of the first positioning connecting ring 43; the two sides of the second terminal connecting piece 51 extend outward to form a second protrusion 54, which is located on one side of the second positioning connecting ring 53.

[0034] like Figure 7-10 As shown, in an embodiment of the present invention, the lead-acid battery of the present invention includes a first rubber ring 13, which is sleeved on the positive electrode post 2 of the positive electrode post hole 11 and is located below the first battery terminal 4. The positive electrode post hole 11 is filled with a first sealant 14, and the first sealant 14 is located above the first battery terminal 4. The lead-acid battery includes a second rubber ring 15, which is sleeved on the negative electrode post 3 of the negative electrode post hole 12 and is located below the second battery terminal 5. The negative electrode post hole 12 is filled with a second sealant 16, and the first sealant 14 is located above the second battery terminal 5. In a specific implementation, the first rubber ring 13 is first put on the positive electrode column 2, and then the first positioning and connecting ring 43 of the first battery terminal 4 is put on the positive electrode column 2, and then the first battery terminal 4 is welded to the positive electrode column 2 using a welding gun, and finally the first sealant 14 is filled above the first battery terminal 4; similarly, the second rubber ring 15 is first put on the negative electrode column 3, and then the second positioning and connecting ring 53 of the second battery terminal 5 is put on the negative electrode column 3, and then the second battery terminal 5 is welded to the negative electrode column 3 using a welding gun, and finally the second sealant 16 is filled above the second battery terminal 5. In the present invention, a first rubber ring 13 and a first sealant 14 are provided in the positive electrode post hole 11, so that the first battery terminal 4 forms a two-terminal sealing structure. A second rubber ring 15 and a second sealant 16 are provided in the negative electrode post hole 12, so that the second battery terminal 5 forms a two-terminal sealing structure. This can further improve the firmness and sealing of the welding points between the first battery terminal 4 and the second battery terminal 5, and effectively prevent the first battery terminal 4 from being desoldered at the welding point with the positive electrode post 2 and the second battery terminal 5 from being desoldered at the welding point with the negative electrode post 3.

[0035] In a specific implementation, the first rubber ring 13 and the second rubber ring 15 of the present invention are both made of EPDM rubber rings, and the first sealant 14 and the second sealant 16 are made of epoxy resin.

[0036] The present invention includes an acid addition port 17 in the middle of the battery cover 1, and a cover plate 18 is mounted above the acid addition port 17. Specifically, the inner surface of the acid addition port 17 is provided with internal threads, and the cover plate 18 is provided with external threads. The cover plate 18 is connected to the internal threads of the acid addition port 17 via the external threads, thereby covering the cover plate 18 above the acid addition ports 17 to prevent acid from overflowing from the acid addition ports 17. The present invention also includes a safety valve 19 extending through the interior of the acid addition port 17, through which the acid addition port 17 is vented. The lead-acid battery of the present invention includes a battery container 6 for accommodating a plurality of battery cells. The battery container 6 is located below the battery cover 1, and the battery cover 1 is mounted on the top of the battery container 6. Specifically, a plurality of partitions are fixed within the battery container 6. The partitions are spaced apart and distributed within the interior space of the battery container 6 to divide the interior space of the battery container 6 into a plurality of single cell compartments. By providing a plurality of single cell compartments, a plurality of battery cell groups can be accommodated.

[0037] The above disclosure is only a preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A lead-acid battery, characterized in that: The lead-acid battery includes a battery cover, a positive electrode post, a negative electrode post, a first battery terminal, and a second battery terminal. The battery cover is provided with a positive electrode post hole and a negative electrode post hole. The positive electrode post and the negative electrode post are respectively installed in the positive electrode post hole and the negative electrode post hole of the battery cover. The first battery terminal and the second battery terminal are respectively sleeved on the positive electrode post and the negative electrode post. The first battery terminal includes a first terminal connecting piece and a first limiting block. The first limiting block is located at the end of the first terminal connecting piece and is connected to the first terminal connecting piece to form an integrated structure. The first terminal connecting piece is provided with a first positioning connecting ring, and the first positioning connecting ring is located on one side of the first limiting block; the second battery terminal includes a second terminal connecting piece and a second limiting block. The second limiting block is located at the end of the second terminal connecting piece and is connected to the second terminal connecting piece to form an integrated structure. The second terminal connecting piece is provided with a second positioning connecting ring, and the second positioning connecting ring is located on one side of the second limiting block.

2. The lead-acid battery according to claim 1, wherein: Both sides of the first terminal connecting piece extend outward to form first protrusions, and the first protrusions are located on one side of the first positioning connecting ring.

3. The lead-acid battery according to claim 1, wherein: Two sides of the second terminal connecting piece extend outward to form second protrusions, and the second protrusions are located on one side of the second positioning connecting ring.

4. The lead-acid battery according to claim 1, wherein: The lead-acid battery includes a first rubber ring, which is mounted on the positive electrode of the positive electrode hole and is located below the first battery terminal. The positive electrode hole is filled with a first sealant, which is located above the first battery terminal.

5. The lead-acid battery according to claim 4, characterized in that: The lead-acid battery includes a second rubber ring, which is mounted on the negative electrode of the negative electrode hole and located below the second battery terminal. The negative electrode hole is filled with a second sealant, and the first sealant is located above the second battery terminal.

6. The lead-acid battery according to claim 1, wherein: An acid adding port is provided in the middle of the battery cover, and a cover sheet is installed above the acid adding port.

7. The lead-acid battery according to claim 6, characterized in that: A safety valve is provided inside the acid addition port.

8. The lead-acid battery according to claim 1, wherein: The lead storage battery comprises a battery slot for placing a plurality of battery cells, wherein the battery slot is located below a battery cover, and the battery cover is covered on the top of the battery slot.

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