CN215644824U

CN215644824U - Prevent bulging deformation's lead accumulator shell

Info

Publication number: CN215644824U
Application number: CN202121982518.1U
Authority: CN
Inventors: 姚秋实; 朱建峰; 安炎韬; 李博; 张峰博; 孔鹤鹏; 周贤机; 李进兴
Original assignee: Tianneng Battery Group Co Ltd
Current assignee: Tianneng Battery Group Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-25
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a bulging deformation prevention lead storage battery shell, which comprises a shell body, wherein the top of the shell body is provided with an opening, a plurality of partitions are arranged in the shell body to divide the shell body into a plurality of single grids, and a plurality of arch structures are arranged on the outer side of the side wall of the shell body; each arch corresponds to one side of one cell; the arch structure becomes thinner from two sides to the middle of the horizontal direction. According to the bulging deformation prevention lead storage battery shell disclosed by the utility model, the function of preventing the bulge palm of the battery shell from deforming is realized by arranging the plurality of arch structures on the outer sides of the four walls of the shell, the wear resistance of the battery shell is enhanced, and the bulging deformation prevention lead storage battery shell is simple and convenient to manufacture.

Description

Prevent bulging deformation's lead accumulator shell

Technical Field

The utility model relates to the field of lead storage batteries, in particular to a lead storage battery shell capable of preventing bulging deformation.

Background

In the lead storage battery manufacturing process, certain pressure needs to be applied to the pole group to compress the pole group, then the pole group is placed into a battery shell, certain pressure can be generated on the battery shell after the compressed pole group is placed into the battery shell, the outermost two side faces of the stress surface of the shell swell, the swelling phenomenon can be more obvious after acidification, the swelled shell can cause uneven stress of the pole group in a single lattice, the consistency of the battery is influenced in the subsequent use process, and the failure of the battery is accelerated. Therefore, it is necessary to design a lead storage battery case which prevents bulging deformation.

The battery case that current can prevent bulging deformation is disclosed as chinese patent publication No. CN 205790252U's a battery jar of preventing bulging deformation, is equipped with the cell body of notch including the top, be equipped with in the cell body and separate its inner chamber for the baffle of a plurality of cells, the side of the parallel polar plate of cell body is equipped with sunkenly, be equipped with the strengthening rib that is not higher than this side in the sunkenly.

The battery jar that the aforesaid patent application provided prevents bulging deformation lets can prevent to a certain extent that the battery jar from taking place bulging deformation, and the battery jar of this kind of structure drawing of patterns difficulty in the manufacturing process, and the yield is lower.

Still like the lead acid battery shell additional strengthening that chinese patent publication No. CN207993908U discloses, including metal strengthening rib, plastics slot and plastics lid, the plastics slot is fixed on the battery jar, in the metal strengthening rib inserts the plastics slot, metal strengthening rib and battery jar are independent relatively, the metal strengthening rib has at least one, the plastics lid is installed the both ends of metal strengthening rib prevent that the both ends of metal strengthening rib from exposing.

Although the reinforcing structure for the lead-acid storage battery shell provided by the patent can prevent the bulging deformation of the lead-acid storage battery shell, the processing procedure of the shell is multiple, the installation process is complex, and the processing cost of the shell is increased and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the bulging deformation prevention lead storage battery shell, the function of preventing the bulge of the battery shell is realized by arranging a plurality of arch structures on the outer sides of the four walls of the shell, the wear resistance of the battery shell is enhanced, and the bulge deformation prevention lead storage battery shell is simple and convenient to manufacture.

The bulging deformation prevention lead storage battery shell comprises a shell body, wherein the top of the shell body is provided with an opening, a plurality of baffles are arranged in the shell body to divide the shell body into a plurality of single lattices, and a plurality of arch structures are arranged on the outer side of the side wall of the shell body; each arch corresponds to one side of one cell; the thickness of each arch structure is gradually reduced from two sides to the middle in the horizontal direction.

Specifically, in the prior art, in order to solve the problem of bulging of the side surface of the lead storage battery shell, the following approaches are generally adopted: the thickness of the two stressed side surfaces of the shell is increased, the reinforcing ribs are additionally arranged on the two stressed side surfaces of the shell, and the shell is made of metal plastic composite materials with higher strength; however, the thickness of the two stressed side surfaces of the shell is increased, the cost of injection molding materials is increased, the stress is large after injection molding, the shrinkage and deformation are easy to occur, in addition, the heat in the lead storage battery shell is difficult to dissipate, and the service life of the lead storage battery is further shortened; the structure that the transverse reinforcing ribs are additionally arranged on the two stressed side surfaces of the shell body is adopted, the reinforcing ribs and the shell body cannot be integrally formed, and the production difficulty and the processing cost are increased; the structure of adding the longitudinal reinforcing rib on the stressed side has no obvious effect. The shell is made of metal plastic composite materials with high strength, so that the cost of the materials for making the shell is increased sharply, and the shell does not have good economic effect.

This scheme sets up a plurality of domes in the lateral wall outside of casing and can effectively prevent that the casing from taking place to bulge, and every dome is corresponding to one side of a single check, and dome follows the both sides of horizontal direction to middle thickness attenuation gradually simultaneously, and arch summit is regional thinnest promptly, and utmost point crowd in each single check can both dispel the heat fast, and the casing all can adopt plastics material integrated into one piece with dome, material low price, and processing is convenient quick.

In addition, the structure that the plane of the arch structure is tightly attached to the side face of the shell can reduce friction between the shell and the shell, and further reduce the possibility that the surface of the shell is scratched.

Preferably, a common edge with a rounded corner is arranged at the junction of the adjacent arch structures.

Specifically, the structure of the common edge with the round angle at the junction of the shell is favorable for releasing the internal stress generated in the injection molding process, the strength of the shell is further favorable for enhancing the strength of the shell, the common edge is thickened, the common edge is more wear-resistant, and the shell body is not scratched.

Preferably, the common edge at the corner of the side wall of the shell is an edge matched with the shape of the corner of the shell.

Specifically, when the side wall of the shell is stressed, the stress is dispersed to the common edge, the thickness of the common edge and the thickness of the common edge are larger than that of the top point of the arch, and the arch structure can bear larger stress under the condition of adopting the same amount of materials, so that the shell can be prevented from bulging.

Preferably, the number of the unit cells of the housing is 6, and the unit cells are arranged in a 2 × 3 arrangement, or a 1 × 6 arrangement.

Preferably, the height of the arch structure is lower than that of the side wall, and the arch structure and the side wall form a stepped structure to facilitate the sealing connection of the shell and the shell cover.

Specifically, because the cambered surface of domes makes the outside of casing lateral wall present unevenness's state, consequently the cap if directly cup joint then can't realize sealing connection with domes, consequently domes highly need be less than the height of lateral wall, and domes leaves suitable distance to the top edge of lateral wall and is used for sealing with the cap cooperation.

Preferably, the shell, the partition and the arch structure are integrally formed by injection molding; the shell is made of ABS, PP or PE materials.

Specifically, the ABS, PP or PE material is adopted for integral injection molding, so that the ABS, PP or PE material is convenient and quick to mold well, and the production cost is low due to mature process.

Compared with the prior art, the utility model has the advantages that;

(1) through set up a plurality of domes in the casing wall outside, realized preventing the function that the battery case clapped the palm and warp, strengthened the wear resistance of battery case simultaneously, and make simple, convenient.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of a bulging deformation prevention lead-acid battery case according to the present invention;

fig. 2 is a schematic top view of a first embodiment of the anti-bulging deformation lead-acid battery case according to the present invention;

fig. 3 is a perspective view of a second embodiment of the anti-bulging deformation lead-acid battery case provided by the utility model;

fig. 4 is a schematic top view of a second embodiment of the anti-bulging deformation lead-acid battery case provided by the utility model.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments.

As shown in fig. 1-4, the anti-bulging and anti-deformation lead storage battery case comprises a case 10 with an opening at the top, a plurality of partitions 20 are arranged in the case 10 to divide the case 10 into a plurality of single cells 30, and a plurality of arch structures 40 are arranged outside the side wall of the case 10; each arch 40 corresponds to one side of one cell 30; each arch 40 becomes thinner from both sides in the horizontal direction toward the middle.

Specifically, in the prior art, in order to solve the problem of bulging of the side surface of the lead storage battery case 10, the following approaches are generally adopted: the thickness of the two stressed side surfaces of the shell 10 is increased, the reinforcing ribs are additionally arranged on the two stressed side surfaces of the shell 10, and the shell 10 is made of metal plastic composite materials with high strength; however, the thickness of the two stressed side surfaces of the shell 10 is increased, so that the cost of injection molding materials is increased, the stress is large after injection molding, the shrinkage and deformation are easy to occur, in addition, the heat in the lead storage battery shell is difficult to dissipate, and the service life of the lead storage battery is further shortened; the structure for adding the transverse reinforcing ribs is additionally arranged on the two stressed side surfaces of the shell 10, and the reinforcing ribs and the shell 10 cannot be integrally formed, so that the production difficulty and the processing cost are increased; the structure of adding the longitudinal reinforcing rib on the stressed side has no obvious effect. The use of a strong metal plastic composite material for the housing 10 results in a sharp increase in the cost of the material used to form the housing 10, and does not have a good economic effect.

This scheme adds a plurality of domes 40 in the lateral wall outside of casing 10 and can prevent effectively that casing 10 from taking place to bulge, and every dome 40 is corresponding to one side of a single check 30, and dome 40 thins gradually to middle thickness from the both sides of horizontal direction simultaneously, and arch summit is regional thinnest promptly, and utmost point crowd in each single check 30 can both dispel the heat fast, and casing 10 and dome 40 all can adopt plastics material integrated into one piece, the material low price, and processing is convenient quick.

In addition, the structure that the plane of the arch structure 40 is tightly attached to the side of the shell 10 can reduce the friction between the shell 10 and the shell 10, thereby reducing the possibility of scratching the surface of the shell 10.

Preferably, a common edge 50 with rounded corners is provided at the intersection of adjacent arches 40.

Specifically, the common edge 50 with the rounded corner at the junction of the housing 10 has a structure that is beneficial to releasing the internal stress generated in the injection molding process, and is more beneficial to enhancing the strength of the housing 10, and the common edge 50 adopts a thickening design, so that the common edge 50 is more wear-resistant, and the housing 10 body is not scratched.

Preferably, the common edge 50 at the corner of the housing sidewall is an edge 51 that conforms to the shape of the corner of the housing 10.

Specifically, when the sidewall of the housing 10 is pressed, the pressure is dispersed to the common edge 50, and the thickness of the common edge 50 and the edge 51 is greater than that of the top of the arch, so that the arch structure 40 can bear a greater pressure with the same amount of material, which is beneficial to preventing the housing 10 from bulging.

Preferably, the height of the arch structure 40 is lower than that of the side wall, and the stepped structure formed with the side wall facilitates the sealing connection of the housing 10 and the housing cover.

Specifically, since the arc surface of the arch structure 40 makes the outer side of the sidewall of the housing 10 present an uneven state, the housing cover cannot be hermetically connected if directly sleeved with the arch structure 40, and therefore the height of the arch structure 40 needs to be lower than that of the sidewall, and an appropriate distance is left between the arch structure 40 and the upper edge of the sidewall for being sealed in cooperation with the housing cover.

Preferably, the shell 10, the barrier 20 and the arch structure 40 are integrally injection molded; the shell is made of ABS, PP or PE materials.

As shown in fig. 1-2, the cells 30 in the housing 10 are arranged in a 2 × 3 arrangement, so that two domes 40 interconnected by a common edge 50 are provided on the outer side of the short side wall of the housing 10, three domes 40 interconnected by a common edge 50 are provided on the outer side of the long side wall of the housing 10, and the domes 40 provided near the corners are connected to the domes 40 of the adjacent sides by an edge 51.

As shown in fig. 3-4, the cells 30 in the housing 10 are arranged in a 1 × 6 arrangement, so that the outer side of the short side of the housing 10 is provided with one arch 40, the outer side of the long side of the housing 10 is provided with six arches 40 connected to each other by a common edge 50, and both sides of the arch 40 on the short side are connected to the adjacent arch 40 by edges 51.

Claims

1. The bulging deformation prevention lead storage battery shell comprises a shell body, the top of the shell body is provided with an opening, a plurality of baffles are arranged in the shell body to divide the shell body into a plurality of single lattices, and the bulging deformation prevention lead storage battery shell is characterized in that a plurality of arch structures are arranged on the outer side of the side wall of the shell body; each arch corresponds to one side of one cell; the thickness of each arch structure is gradually reduced from two sides to the middle in the horizontal direction.

2. The bulging deformation resistant lead acid battery case as set forth in claim 1, wherein a common edge with rounded corners is provided at the intersection of adjacent arch structures.

3. The bulging deformation resistant lead acid battery case as set forth in claim 2, wherein the common edge at the corner of the case side wall is an edge adapted to the shape of the case corner.

4. The bulging deformation preventing lead acid battery case as set forth in claim 1, wherein the number of cells of the case is 6, and the case is arranged in a 2 x 3 or 1 x 6 arrangement.

5. The bulging deformation resistant lead acid battery case as set forth in claim 1, wherein said case, barrier, arch structure are integrally injection molded.

6. The bulging deformation prevention lead storage battery case as set forth in claim 1, wherein the case is made of ABS, PP or PE material.