CN218101586U

CN218101586U - Battery module capable of absorbing tolerance and ensuring vertical positioning of battery core

Info

Publication number: CN218101586U
Application number: CN202221702713.9U
Authority: CN
Inventors: 王昭凯
Original assignee: Taipu Power New Energy Changshu Co ltd
Current assignee: Taipu Power New Energy Changshu Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-20
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a battery module with tolerance absorption and battery cell vertical positioning guarantee, which comprises an upper battery shell, a battery cell, a lower battery shell and a conducting strip, wherein the battery cell is arranged between the upper battery shell and the lower battery shell, a large-aperture cladding hole is arranged in the upper battery shell, a positioning cladding hole is arranged in the lower battery shell, and two ends of the battery cell are respectively arranged in the large-aperture cladding hole and the positioning cladding hole; the utility model relates to an upper portion battery case and lower part battery case in two side asymmetric apertures, cladding electric core structure physical stamina effectively absorb part forming tolerance and can effectual messenger's electric core in the fixed back of part can keep the position correct and reach and be close upright state and optimize the spot yield, and packaging efficiency accelerates effectively reduces the equipment cost simultaneously.

Description

Battery module capable of absorbing tolerance and ensuring vertical positioning of battery core

Technical Field

The utility model belongs to the technical field of the battery, a utensil absorbs tolerance and ensures battery module of electric core vertical location is related to.

Background

Along with the user to battery capacity demand increasingly high, the capacity of battery risees thereupon, and electric core quantity and the plastic part size of cladding also grow thereupon, nevertheless because of the plastic part size grow, the tolerance of taking shape is also repaired on consequently, and the upper and lower plastic part size difference of cladding electric core is too big to lead to electric core equipment difficult, makes electric core skew or off normal again easily to cause danger and cost waste if enlarge the plastic part size of cladding electric core.

The traditional design only uses the same symmetrical cell aperture to fix the cell, and can not effectively ensure that the cell is upright and positioned effectively after being assembled, so that how to ensure that the cell keeps the correct position and verticality after being assembled and pressed and optimize the spot yield under the condition of increasing capacity and size is the problem to be solved at present.

Disclosure of Invention

An object of the utility model is to provide a utensil absorbs tolerance and ensures the battery module of electric core vertical positioning to solve the problem that proposes among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an utensil absorbs tolerance and ensures battery module of electric core location of standing vertically, includes upper portion battery casing, electric core, lower part battery casing and conducting strip, electric core sets up between upper portion battery casing and lower part battery casing, just large aperture cladding hole has been seted up to upper portion battery casing's inside, location cladding hole has been seted up to lower part battery casing's inside, just large aperture cladding hole and the inside in location cladding hole are arranged in respectively to the both ends of electric core.

In the above battery module with tolerance absorption and cell vertical positioning assurance, the upper battery case and the lower battery case are full-cover and half-cover molded structures,

in the above battery module with tolerance absorption and cell vertical positioning, the top of the upper battery casing and the bottom of the lower battery casing are both provided with conducting strips.

In the above battery module with tolerance absorption and cell vertical positioning, the conductive sheet is a copper alloy sheet.

In the above battery module with tolerance absorption and cell vertical positioning, the large-aperture covering hole is designed to have an elliptical structure.

Compared with the prior art, the utility model relates to an utensil absorbs tolerance and ensures battery module's of electric core vertical location advantage does:

the upper battery shell and the lower battery shell with asymmetric apertures on two sides are designed, the coating battery cell structure can effectively absorb part forming tolerance, the battery cell can effectively keep the position correct and achieve the nearly vertical state after the parts are fixed, the spot yield is optimized, the assembly efficiency is accelerated, and meanwhile, the assembly cost is effectively reduced.

Drawings

Fig. 1 is a schematic diagram of a battery module with tolerance absorption and vertical positioning of battery cells according to the present invention.

Fig. 2 is a schematic structural diagram of a battery module with tolerance absorption and cell vertical positioning according to the present invention.

In the figure, 1, an upper battery case; 2. an electric core; 3. a lower battery case; 4. and (4) conducting strips.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The utility model provides an utensil absorbs tolerance and ensures battery module of electric core vertical location, includes upper portion battery casing 1, electric core 2, lower part battery casing 3 and conducting strip 4, and electric core 2 sets up between upper portion battery casing 1 and lower part battery casing 3, and the large aperture cladding hole has been seted up to upper portion battery casing 1's inside, and the location cladding hole has been seted up to lower part battery casing 3's inside, and the inside in large aperture cladding hole and location cladding hole is arranged respectively in at the both ends of electric core 2.

As shown in fig. 1 and fig. 2, the battery module of the present invention with tolerance absorption and vertical positioning of the battery core has an upper battery case 1 and a lower battery case 3 which are formed as a full-cover or half-cover structure to increase flame resistance and impact resistance.

As shown in fig. 1 and fig. 2, the top of the upper battery case 1 and the bottom of the lower battery case 3 of the battery module of the present invention are both provided with conductive strips 4 to absorb tolerance and ensure the vertical positioning of the battery cell.

As shown in fig. 1 and 2, the utility model relates to a battery module of tolerance and the upright location of assurance electricity core are absorbed to utensil, conducting strip 4 is the copper alloy piece, and conducting strip 4 still can be the nickel piece, and conducting strip 4 can be for anodal needs precision position, designs or adjusts to big hole or elliptical aperture position increase area cooperation asymmetric upper portion battery case 1 and lower part battery case 3 from top to bottom.

As shown in fig. 1 and fig. 2, the utility model relates to an utensil absorbs tolerance and ensures battery module of electric core vertical location, and large aperture cladding hole is oval structural design, and large aperture cladding hole and location cladding hole can optimize the assembling nature and ensure that the equipment back electric core is spacing really and upright and optimize the spot yield and then reduction in production cost to the elliptical aperture of the great aperture of location design or tolerance direction.

The utility model relates to an utensil absorbs tolerance and ensures battery module of electric core location of standing vertically, when the group battery is assembled, earlier place 3 insides of lower part battery housing in suitable aperture with electric core 2, use the structure after 1 covers the cladding of upper portion battery housing with the large aperture again, fixed backs such as trip and screw, make electric core 2 in Y direction tight fit in upper portion battery housing 1, small aperture lower part battery housing 3 ensures that electric core 2 is in X direction position and is close upright, upper portion battery housing 1 makes the part assemble easily because of the large aperture absorbs relevant part forming tolerance and avoids the part big and electric core too much lead to difficult equipment or even unable equipment.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an utensil absorbs tolerance and ensures battery module of electric core vertical location, includes upper portion battery casing (1), electric core (2), lower part battery casing (3) and conducting strip (4), its characterized in that, electric core (2) set up between upper portion battery casing (1) and lower part battery casing (3), just large aperture cladding hole has been seted up to the inside of upper portion battery casing (1), location cladding hole has been seted up to the inside of lower part battery casing (3), just the inside in large aperture cladding hole and location cladding hole is arranged respectively in at the both ends of electric core (2).

2. The battery module with tolerance absorption and cell upright positioning ensuring according to claim 1, wherein the upper battery case (1) and the lower battery case (3) are full-cover and half-cover molded structures.

3. The battery module with tolerance absorption and cell upright positioning ensuring according to claim 1 is characterized in that the top of the upper battery shell (1) and the bottom of the lower battery shell (3) are provided with conducting strips (4).

4. The battery module with tolerance absorption and cell upright positioning protection according to claim 3, wherein the conductive sheet (4) is a copper alloy sheet.

5. The battery module of claim 1, wherein the large-aperture covering hole is formed in an elliptical shape to absorb tolerance and ensure vertical positioning of the cell.