CN213401342U - Battery module upper cover connection structure and battery module - Google Patents

Abstract

The utility model discloses a battery module upper cover connection structure and battery module, battery module upper cover connection structure sets up on the pencil division board of battery module, including the limiting plate of the width direction setting of pencil division board along the line, the curb plate that the length direction of pencil division board set up along the line and with curb plate sliding connection's upper cover, the limiting plate is connected with the curb plate, the limiting plate encloses with the curb plate and establishes the holding chamber that forms and hold the pencil division board, the upper cover includes the upper cover body, incoming end and offset end, the curb plate is interior concave to form the spout that supplies the incoming end of upper cover to slide into to the front end from the rear end of curb plate, offset end butt in the rear end of curb plate. The utility model discloses an upper cover and curb plate adopt interior knot formula spout structure to be connected, and the spout only allows the upper cover incoming end to slide in to the curb plate front end from the curb plate rear end during the equipment and assembles, and the end butt has the foolproof function in the rear end of curb plate, only need when dismantling the upper cover slide from the curb plate withdraw from can, improved the dismouting convenience of battery module upper cover greatly.

Description

Battery module upper cover connection structure and battery module

Technical Field

The utility model relates to a power battery technical field, concretely relates to battery module upper cover connection structure and battery module.

Background

The existing battery module upper cover assembly generally adopts a buckle type structure to buckle and fix an upper cover and a wire harness isolation plate, and because the buckle structures symmetrically distributed at two ends of the upper cover are the same, the symmetrical structure of the upper cover does not have the function of preventing fool of a positive electrode and a negative electrode, and both ends of the upper cover can be buckled with any end of the wire harness isolation plate, when the upper cover assembly is installed, if an operator does not carefully check the positive electrode and the negative electrode, the positive polarity and the negative polarity of the upper cover are easily reversed. Meanwhile, when the battery module is disassembled and separated, the battery module is usually disassembled by prying the assembling gap between the upper cover and the wiring harness isolation plate with the help of a tool, which is very inconvenient.

Therefore, it is highly desirable to provide a battery module upper cover connection structure with fool-proof function, which is convenient to assemble and disassemble, so as to improve the assembly efficiency and quality of the battery module and reduce the defective rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery module upper cover connection structure makes things convenient for the equipment and the dismantlement of upper cover and battery module and has the slow-witted function of preventing.

The second objective of the present invention is to provide a battery module, which is convenient and fast to assemble and disassemble and has fool-proof function.

For realizing the above-mentioned purpose, the utility model provides a battery module upper cover connection structure sets up on the pencil division board of battery module, including the limiting plate that the width direction of pencil division board set up along the line, curb plate that the length direction of pencil division board set up along the line and with curb plate sliding connection's upper cover, the limiting plate is connected with the curb plate, the limiting plate encloses with the curb plate and establishes the holding chamber that forms and hold the pencil division board, the upper cover includes the upper cover body, incoming end and offset end, the curb plate is interior to be formed into the spout that supplies the incoming end of upper cover to slide in to the front end from the rear end of curb plate, offset end butt in the rear end of curb plate.

Compared with the prior art, the utility model discloses a battery module upper cover connection structure, the upper cover is connected with the curb plate adoption interior knot formula spout structure, when assembling, because the support end and the spout of upper cover are not adapted, can not get into the spout, the spout only allows the access end of upper cover to slide in to the front end of curb plate from the rear end of curb plate and assembles the cooperation, the support end then butt in the rear end of curb plate, thereby have and guarantee that upper cover and curb plate equipment are correct prevents slow-witted function, ensure the accuracy of installation, improve the product percent of pass, when dismantling, only need with the upper cover slide in the curb plate withdraw from can, the dismouting convenience of battery module upper cover has been improved greatly.

Preferably, the upper cover of the utility model is symmetrically and convexly extended along the vertical direction and towards the direction away from the upper cover body to form the stopping end.

Preferably, the utility model discloses a limiting plate is including connecting in the first limiting plate of the front end of curb plate and connecting in the second limiting plate of the rear end of curb plate, the incoming end and the first limiting plate butt of upper cover, the end of keeping out of upper cover is kept out in the rear end of curb plate outside and with second limiting plate butt.

Preferably, the utility model discloses a height that highly is higher than the curb plate of first limiting plate to seal the spout and support the incoming end.

Preferably, the utility model discloses a height that highly is less than the curb plate of second limiting plate to expose the spout and supply the access end to insert the slip joint.

Preferably, the utility model discloses a first limiting plate has along the protruding limit structure who stretches the setting that is used for keeping out the incoming end of vertical direction.

Preferably, the limiting structure of the present invention is a baffle or a boss.

Preferably, the utility model discloses a first limiting plate still includes buckle structure, borrows by buckle structure and the access end butt joint block of upper cover to realize that the block of the relative pencil division board of upper cover is fixed.

Preferably, the utility model discloses a buckle structure is the halfpace of inversion.

Preferably, the utility model discloses a be provided with the breach between the buckle structure of limiting plate and the limit structure.

Preferably, the utility model discloses a protruding the stretching in one side of upper cover body is provided with prevents slow-witted protruding structure, prevents slow-witted structure including being close to the anodal of access end setting prevent slow-witted protruding structure and being close to the negative pole that keeps off the end setting and prevent slow-witted protruding structure.

Preferably, the utility model discloses a positive pole prevents that slow-witted protruding structure is "+" utmost point sign protruding structure, and negative pole prevents that slow-witted protruding structure is "-" utmost point sign protruding structure. The fool-proof design on the wire harness isolation plate and the upper cover can prevent the positive and negative polarities of the upper cover of the module from being reversely installed, the fool-proof function that the positive and negative polarities cannot be reversely placed is achieved, the dual fool-proof function is formed with the internally-buckled sliding groove structure, and the installation accuracy is ensured.

The utility model provides a battery module, including two at least electric cores, casing and foretell battery module upper cover connection structure, two electric cores are acceptd in the casing, and battery module upper cover connection structure lid is located on the casing.

Drawings

Fig. 1 is a schematic structural diagram of the battery module upper cover connection structure of the present invention.

Fig. 2 is an exploded schematic view of the battery module upper cover connection structure of the present invention.

Fig. 3 is a schematic view of a C-C cross-sectional structure of the battery module upper cover connection structure of the present invention.

Fig. 4 is a partially enlarged structural diagram of the area a of fig. 2.

Fig. 5 is a partially enlarged structural diagram of a region B of fig. 2.

Description of the element reference numerals

Battery module upper cover connection structure 100, pencil division board 1, limiting plate 2, curb plate 3, upper cover 4, first limiting plate 21, second limiting plate 22, limit structure 211, buckle structure 212, front end 31, rear end 32, spout 33, upper cover body 41, incoming end 42 and keep out end 43.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

As shown in fig. 1-5, the battery module of the present invention includes at least two battery cells, a housing and the battery module upper cover connection structure 100, wherein the two battery cells are accommodated in the housing, and the battery module upper cover connection structure 100 covers the housing. Wherein, battery module upper cover connection structure 100, set up on battery module's pencil division board 1, include the limiting plate 2 that sets up along pencil division board 1's width direction, curb plate 3 that the length direction of pencil division board 1 set up along the line and with curb plate 3 sliding connection's upper cover 4, limiting plate 2 is connected with curb plate 3, limiting plate 2 encloses with curb plate 3 and establishes the holding chamber that forms and hold pencil division board 1, upper cover 4 includes upper cover body 41, incoming end 42 and fender end 43, curb plate 3 is interior to be formed into and supplies upper cover 4's incoming end 42 to slide in to front end 31's spout 33 from curb plate 3's rear end 32, it butts end 43 butt in curb plate 3's rear end 32. Specifically, one surface of the upper cover body 41 is provided with a fool-proof protruding structure in a protruding manner, and the fool-proof structure includes a positive electrode fool-proof protruding structure disposed near the access end 42 and a negative electrode fool-proof protruding structure disposed near the blocking end 43. More specifically, the positive-electrode fool-proof protrusion structure is a "+" pole-mark protrusion structure, and the negative-electrode fool-proof protrusion structure is a "-" pole-mark protrusion structure. The fool-proof design on the wire harness isolation plate 1 and the upper cover 4 can prevent the reversed installation of the positive and negative polarities of the module upper cover 4, so that the fool-proof function that the positive and negative polarities cannot be reversed is achieved, the dual fool-proof function is formed with the internally-buckled sliding groove 33, and the installation accuracy is ensured.

As shown in fig. 2 and 4, the upper cover 4 is symmetrically protruded in the vertical direction and in the direction away from the upper cover body 41 to form the stopping end 43, so that the cross section of the upper cover 4 in the vertical direction is T-shaped. Referring to fig. 2 and 5, the limiting plate 2 includes a first limiting plate 21 connected to the front end 31 of the side plate 3 and a second limiting plate 22 connected to the rear end 32 of the side plate 3, the receiving end 42 of the upper cover 4 abuts against the first limiting plate 21, and the abutting end 43 of the upper cover 4 abuts against the outside of the rear end 32 of the side plate 3 and abuts against the second limiting plate 22. Specifically, the height of the first limiting plate 21 is higher than that of the side plate 3 to seal the sliding groove 33 and abut against the access end 42, the height of the second limiting plate 22 is smaller than that of the side plate 3 to expose the sliding groove 33 and allow the access end 42 to be inserted into the sliding connection, the first limiting plate 21 has a limiting structure 211 protruding in the vertical direction and provided for abutting against the access end 42, specifically, the limiting structure 211 is a baffle, but the configuration of the limiting structure 211 is not limited thereto, and the limiting structure 211 may also be a boss. Specifically, the first limiting plate 21 further includes a fastening structure 212, the fastening structure 212 is in butt joint with the access end 42 of the upper cover 4 to fasten the upper cover 4 to the harness isolation plate 1, the fastening structure 212 is an inverted step, and a gap is formed between the fastening structure 212 and the limiting structure 211 of the limiting plate.

Referring to fig. 1-5, during assembly, since the sliding groove 33 is not matched with the abutting end 43 of the upper cover 4, the sliding groove 33 only allows the inserting end 42 of the upper cover 4 to be inserted into the sliding connection, the inserting end 42 of the upper cover 4 slides into the front end 31 of the side plate 3 from the rear end 32 of the side plate 3 for assembly, the abutting end 43 abuts against the rear end 32 of the side plate 3, when the upper cover 4 is completely inserted into the side plate 3, the "+" pole mark projection structure on the surface of the upper cover 4 is connected with the first limiting plate 21, the "+" pole mark projection structure is connected with the second limiting plate 22 to indicate that the positive and negative poles are correctly installed, the whole assembly process is completed in one step, the assembly efficiency is greatly improved, the defective rate is reduced, when the upper cover 4 needs to be detached from the battery module, only the upper cover 4 needs to be slid out of the side plate 3, and the disassembly and assembly convenience of the battery module upper cover 4 is greatly improved.

Combine fig. 1-5 to show, the utility model discloses a battery module upper cover connection structure 100, upper cover 4 adopts interior knot formula spout 33 to be connected with curb plate 3, when assembling, because the end 43 that keeps out of upper cover 4 is not fit with spout 33, can not get into spout 33, spout 33 only allows the incoming end 42 of upper cover 4 to slide in to the front end 31 of curb plate 3 from the rear end 32 of curb plate 3 and assembles the cooperation, the end 43 that keeps out then the butt in the rear end 32 of curb plate 3, thereby have and guarantee that upper cover 4 assembles the exact fool-proof function with curb plate 3, ensure the accuracy of installation, improve the product percent of pass, when dismantling, only need with upper cover 4 from curb plate 3 in slide withdraw from can, the dismouting convenience of battery module upper cover 4 has been improved greatly.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (10)

1. The utility model provides a battery module upper cover connection structure, sets up on the pencil division board of battery module, its characterized in that, includes the edge limiting plate, the edge that the width direction of pencil division board set up the curb plate that the length direction of pencil division board set up and with curb plate sliding connection's upper cover, the limiting plate with the curb plate is connected, the limiting plate with the curb plate encloses to establish to form and holds the holding chamber of pencil division board, the upper cover includes upper cover body, incoming end and keeps off the end, the curb plate indent forms the confession the incoming end of upper cover is followed the rear end of curb plate slides in to the spout of front end, keep off the end butt in the rear end of curb plate.

2. The battery module upper cover connection structure according to claim 1, wherein the upper cover symmetrically protrudes in a vertical direction and in a direction away from the upper cover body to form the abutment end.

3. The battery module upper cover connection structure according to claim 1, wherein the limit plates include a first limit plate connected to a front end of the side plate and a second limit plate connected to a rear end of the side plate, the access end of the upper cover abuts against the first limit plate, and the blocking end of the upper cover is blocked outside the rear end of the side plate and abuts against the second limit plate.

4. The battery module upper cover connection structure of claim 3, wherein the first limiting plate is higher than the side plate to close the sliding groove and block the access end.

5. The battery module upper cover connection structure according to claim 3, wherein the height of the second limiting plate is smaller than the height of the side plate to expose the sliding groove and allow the access terminal to be inserted and slidingly connected.

6. The battery module upper cover connection structure according to claim 3, wherein the first limiting plate has a limiting structure protruding in a vertical direction for blocking the access end.

7. The battery module upper cover connection structure of claim 6, wherein the limiting structure is a baffle or a boss.

8. The battery module upper cover connection structure of claim 6, wherein the first limiting plate further comprises a snap structure, and the snap structure is in butt-joint engagement with the access end of the upper cover to achieve the snap-fit fixation of the upper cover relative to the harness isolation plate.

9. The battery module upper cover connection structure of claim 8, wherein the snap structure is an inverted step.

10. A battery module, comprising at least two electric cores and a casing, wherein the two electric cores are accommodated in the casing, and the battery module further comprises the battery module upper cover connecting structure according to any one of claims 1 to 9, and the battery module upper cover connecting structure is covered on the casing.

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