CN112259925A - Lead-acid storage battery integrated pole terminal piece and assembly process method thereof - Google Patents

Abstract

The invention provides an integrated pole terminal lug of a lead-acid storage battery and an assembly process method thereof. The assembly process method sequentially comprises the following steps: welding two integrated pole terminal plates with the positive pole lug and the negative pole lug respectively to complete the welding of the battery; injecting glue into the gluing area of the middle cover of the battery, inverting the welded battery, and inserting the integrated pole lug into the pole lug matching surface of the middle cover of the battery; after the glue is solidified, the battery is turned over upwards, and the pole lug cover plate covered in the battery is cut or unscrewed to expose the integrated pole lug outside. The assembly process method only needs one-time welding and one-time sealing, simplifies the process, improves the quality and reduces the cost.

Description

Lead-acid storage battery integrated pole terminal piece and assembly process method thereof

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of storage batteries, in particular to an integrated pole terminal lug of a lead-acid storage battery and an assembly process method thereof.

[ background of the invention ]

The welding of lead-acid storage battery, especially the welding of the utmost point post and lug of the lead-acid storage battery for the electric motor car, mean that weld positive plate tab and positive pole post of one side utmost point crowd in the battery utmost point crowd together and form the positive pole, the welding of the utmost point crowd negative pole piece tab and negative pole post of the opposite side together forms the negative pole, realize that utmost point post busbar welds an organic whole, then cover pours into glue into in the battery, the battery handstand inserts the cooperation face of the utmost point post of cover in, wait after the glue solidification, the battery is upwards, overlap into utmost point post with the lug, weld utmost point post and lug an organic whole, pour into glue into in the lug area again, after the glue solidification, the lug is.

According to current battery structure, utmost point post and lug are split type, need carry out twice welding during the assembly, twice injecting glue. The structure is complicated, and assembly work load is big, and the assembly quality is unstable, and utmost point post material is lead material in addition, and weight is heavier, and the material consumption is big.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides an integrated polar post lug of a lead-acid storage battery and an assembly process method thereof.

In order to achieve the purpose, the invention provides an integrated pole lug plate of a lead-acid storage battery, which comprises a pole body and a lug plate body connected to one side of the pole body, wherein the top of the pole body is provided with an external wiring structure, and the lug plate body is at least provided with a fin welded with a pole lug.

Preferably, the lug plate body is of a thin-sheet structure.

Preferably, the lug plate body is connected with the lower end of the pole body and is perpendicular to the central axis of the pole body, and the joint of the lug plate body and the pole body is positioned on any two buses which are farthest away from the pole body.

Preferably, the lug plate body is provided with a fin, the width of the fin is gradually reduced along the length direction of the fin, one end with large width of the fin is connected with the pole post body, and the width of one end, away from the pole post body, of the fin is smaller than the width of a gap between two adjacent pole lugs.

Preferably, the lug plate body comprises at least two fins which are arranged in parallel, a slot for inserting the tab is formed between every two adjacent fins, the width of the slot is larger than the thickness of the tab, and the width of each fin is smaller than the width of a gap between every two adjacent tabs.

Preferably, the upper portion of the pole body has an introduction portion, and the outer diameter of the introduction portion gradually increases from the bottom to the top.

Preferably, the pole body and the lug plate body are made of copper materials.

Preferably, the external connection line structure is an internal thread hole arranged in the pole body, or an external screw column arranged at the top of the pole body.

The invention also provides an assembly process method of the integrated pole lug plate of the lead-acid storage battery, which sequentially comprises the following steps:

s1, welding two integrated pole terminal lugs with a positive pole lug and a negative pole lug respectively to form a whole to complete the welding of a battery;

s2, injecting glue into a gluing area of the middle cover of the battery, inverting the welded battery, and inserting the integrated pole lug into the pole lug matching surface of the middle cover of the battery;

and S3, after the glue is solidified, turning the battery upwards, and cutting or unscrewing a pole terminal lug cover plate covered in the battery to expose the integrated pole terminal lug outside.

Preferably, the glue can cover the integral pole tab after the integral pole tab is inserted into the battery in step S2.

The invention has the beneficial effects that: the invention adopts the integrated pole terminal plate, the whole weight is light, the weight of the battery is reduced, the weight-energy ratio performance of the battery is improved, and the assembly process only needs one-time welding and one-time sealing, thereby simplifying the process, improving the quality and reducing the cost.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a first embodiment of an integrated terminal lug for a lead-acid battery of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of the lead-acid battery integrated pole lug of the present invention;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a schematic structural view of a third embodiment of an integrated pole lug for a lead-acid battery of the present invention;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is an assembled schematic view of the integral pole lug;

fig. 8 is a schematic view of the lid in an inverted cell.

[ detailed description ] embodiments

Example 1

Referring to fig. 1 and 2, the invention relates to an integrated pole lug plate of a lead-acid storage battery, which is characterized in that: including utmost point post body 11 and connect in the lug body 12 of utmost point post body 11 one side, the top of utmost point post body 11 has external wiring structure 10, lug body 12 has one and is used for with utmost point ear 3 welded fin 121 mutually.

Further, the lug body 12 is of a thin-sheet structure, specifically, the lug body 12 is connected to the lower end of the pole body 11 and perpendicular to the central axis of the pole body 11, and the connection between the lug body 12 and the pole body 11 is located on any two buses with the farthest distance on the pole body 11.

Further, the width of the tab 121 gradually decreases along the length direction thereof, the end of the tab 121 with a large width is connected to the pole body 11, and the width of the end of the tab 121 far away from the pole body 11 is smaller than the width of the gap between two adjacent tabs 3.

Further, the upper portion of the pole body 11 has an introduction portion 111, and the outer diameter of the introduction portion 111 is gradually increased from bottom to top to facilitate insertion thereof into the pole lug mating surface of the middle cap.

Furthermore, the post body 11 and the lug body 12 are made of copper material with good conductivity. The integrated pole terminal lug has good conductivity, good welding affinity with lead alloy and high welding quality. Meanwhile, the integrated pole terminal plate is light in weight, the weight of the battery is reduced, and the weight-energy ratio performance of the battery is improved.

Further, the external connection structure 10 is an internal thread hole formed in the terminal body 11, or an external thread column arranged at the top of the terminal body 11, so that connection is facilitated.

Example 2

Referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that: the lug plate body 12 is provided with two fins 121 arranged in parallel, a slot 122 for inserting the tab 3 is arranged between two adjacent fins 121, the width of the slot 122 is larger than the thickness of the tab 3, and the width of the fin 121 is smaller than the width of a gap between two adjacent tabs 3.

Example 3

Referring to fig. 5 and fig. 6, the present embodiment is different from embodiment 2 in that: the lug plate body 12 has four fins 121 arranged in parallel and three slots 122 for inserting the tabs 3.

Referring to fig. 7 and 8, an assembly process method of an integrated pole lug plate of a lead-acid storage battery sequentially comprises the following steps:

s1, welding two integrated pole terminal connection pieces 1 with a positive pole lug and a negative pole lug respectively to form a whole, and completing welding of a battery 2;

s2, injecting glue into a gluing area of the battery middle cover 4, inverting the welded battery 2, and inserting the integrated pole terminal sheet 1 into the pole terminal sheet matching surface 42 of the battery middle cover 4;

s3, after the glue is cured, the battery 2 is turned over upwards, and the pole lug area of the middle cover is made into a semi-closed type, so that the pole lug cover plate 41 on the battery middle cover 4 can be cut or unscrewed, the integrated pole lug is exposed outside, and the connection is convenient.

Further, in the step S2, after the integrated electrode post tab 1 is inserted into the battery middle cover 4, the glue can cover the integrated electrode post tab 1, so as to prevent the electrode post tab from being corroded by the acid in the battery.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (10)

1. The utility model provides a lead acid battery integral type utmost point post terminal lug which characterized in that: including utmost point post body (11) and connect in lug body (12) of utmost point post body (11) one side, the top of utmost point post body (11) has external wiring structure (10), lug body (12) have at least one and are used for with utmost point ear (3) welded fin (121) mutually.

2. The lead-acid battery integrated pole lug of claim 1, which is characterized in that: the lug plate body (12) is of a thin-sheet structure.

3. The lead-acid battery integrated pole lug of claim 2, which is characterized in that: the terminal lug is characterized in that the terminal lug body (12) is connected with the lower end of the pole body (11) and is perpendicular to the central axis of the pole body (11), and the joint of the terminal lug body (12) and the pole body (11) is located on any two buses which are farthest away from each other on the pole body (11).

4. The lead-acid battery integrated pole lug of claim 2 or 3, characterized in that: the lug plate is characterized in that the lug plate body (12) is provided with a fin (121), the width of the fin (121) is gradually reduced along the length direction of the fin, one end with large width of the fin (121) is connected with the pole body (11), and the width of one end, away from the pole body (11), of the fin (121) is smaller than the width of a gap between two adjacent lugs (3).

5. The lead-acid battery integrated pole lug of claim 2 or 3, characterized in that: the lug plate body (12) comprises at least two fins (121) which are arranged in parallel, a slot (122) for inserting the lug (3) is formed between every two adjacent fins (121), the width of the slot (122) is larger than the thickness of the lug (3), and the width of each fin (121) is smaller than the width of a gap between every two adjacent lugs (3).

6. The lead-acid battery integrated pole lug of claim 1, which is characterized in that: the upper part of the pole body (11) is provided with an introduction part (111), and the outer diameter of the introduction part (111) is gradually increased from bottom to top.

7. The lead-acid battery integrated pole lug of claim 1, which is characterized in that: the pole body (11) and the lug plate body (12) are made of copper materials.

8. The lead-acid battery integrated pole lug of claim 1, which is characterized in that: the external connection line structure (10) is an internal thread hole arranged in the pole body (11) or an external screw column arranged at the top of the pole body (11).

9. An assembly process method of an integrated pole terminal lug of a lead-acid storage battery is characterized by comprising the following steps: the method sequentially comprises the following steps:

s1, welding two integrated pole terminal lugs (1) with a positive pole lug and a negative pole lug respectively to form a whole, and completing the welding of a battery (2);

s2, injecting glue into a gluing area of the middle battery cover (4), inverting the welded battery (2), and inserting the integrated pole lug (1) into the pole lug matching surface (42) of the middle battery cover (4);

s3, after the glue is solidified, the battery (2) is turned over upwards, and the pole terminal lug cover plate (41) on the battery middle cover (4) is cut or unscrewed, so that the integrated pole terminal lug is exposed outside.

10. The lead-acid battery integrated pole lug plate and the assembling process method thereof as claimed in claim 9, wherein: in the step S2, after the integrated polar post wiring piece (1) is inserted into the battery middle cover (4), the glue can cover the integrated polar post wiring piece (1).

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