CN217086778U

CN217086778U - End plate structure and battery package of battery

Info

Publication number: CN217086778U
Application number: CN202220715430.1U
Authority: CN
Inventors: 王成
Original assignee: Chongqing Jinkang Power New Energy Co Ltd
Current assignee: Chongqing Jinkang Power New Energy Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-29
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses an end plate structure of a battery and a battery pack, which comprises an end plate body, wherein a movable adjusting part extends out of the side surface of the end plate body, one end of the adjusting part is connected to the end plate body, and the other end of the adjusting part protrudes out of the side surface of the end plate body; the end plate body is provided with a movable cavity beside the adjusting part, and the convex side of the adjusting part is pressed and can be retracted into the movable cavity; the battery pack includes an end plate structure of the battery. By adopting the utility model, the end plate body is a part of the battery module, the adjusting part extends out of the end plate body, and the movable cavity is arranged, so that the convex side of the adjusting part can be retracted into the movable cavity when being pressed, and the end plate body can be integrally formed with the adjusting part by casting, thereby ensuring the structural strength of the adjusting part; and when packing into the box with battery module, the accessible is pressed the back adjustment part of flexible motion and is carried out the joint to simplify the structure, improve assembly efficiency, because the adjustment part flexible can play the effect of buffering, with protection battery module, reduce battery module's vibration inefficacy risk.

Description

End plate structure and battery package of battery

Technical Field

The utility model relates to a battery field, especially an end plate structure and battery package of battery.

Background

In current battery module inclusion design, the design of battery end plate is indispensable: the end plate plays the effect of undertaking the structural support, including with the battery package box frame fixed with to the support of electric core in the module fixed for electric core is difficult for receiving the influence of vibration at the vehicle in-process of traveling. In the existing battery pack manufacturing process, after batteries are paired into modules, the modules are placed into a battery pack box body, the existing process generally adopts hoisting manual alignment and downward placing or a robot to carry out hoisting and carrying operation, and the problems that the battery modules are difficult to put into the box and the efficiency of putting into the box is low exist in the prior art, so that the assembly efficiency is reduced, and the battery cost is increased; in addition, the protection effect on the battery is poor, and the risk of vibration failure of the battery pack is high.

Disclosure of Invention

The utility model aims to provide a: to the problem that the protection effect to the battery among the prior art is poor, the vibration inefficacy risk is high, provide the end plate structure of battery that has buffer structure in order to reduce battery package vibration inefficacy risk.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

an end plate structure of a battery comprises an end plate body, wherein a movable adjusting part extends out of the side surface of the end plate body, one end of the adjusting part is connected to the end plate body, and the other end of the adjusting part protrudes out of the side surface of the end plate body; the end plate body is provided with a movable cavity beside the adjusting part, and the convex side of the adjusting part is pressed and can be retracted into the movable cavity.

By adopting the technical scheme, the end plate body is a part of the battery module, the adjusting part extends out of the end plate body, and the movable cavity is arranged, so that the convex side of the adjusting part can be retracted into the movable cavity when being pressed, and the end plate body can be integrally formed with the adjusting part by casting, so as to ensure the structural strength of the adjusting part; and when packing into the box with battery module, the accessible pressurized back flexible motion's regulating part carries out the joint to simplify battery module's income case mode and structural design, improve assembly efficiency, simultaneously because the characteristics that regulating part can produce the deformation, therefore the regulating part still can play the effect of buffering behind battery pack assembly, with protection battery module, reduce battery module's vibration inefficacy risk.

Furthermore, a hoisting groove is formed in the end plate body and is arranged close to the convex side of the adjusting part; the protruding side of regulating part is close to the upper portion of end plate body, and the opposite side of regulating part leans on the lower part of end plate body to set up. The hoisting groove is used for hoisting the battery module by the hoisting structure, so that the battery module is convenient to move and transfer; and the hoisting groove is close to the protruding side of the adjusting part, so that when the lifting and carrying are carried, the clamping jaw firstly buffers through the adjusting part and then grabs the hoisting groove, the motion of the clamping jaw is buffered, and the end plate body and the battery module are protected.

Furthermore, the adjusting parts are three and are arranged side by side, and a hoisting groove is arranged between every two adjusting parts. The plurality of adjusting parts have good buffering and clamping effects.

Further, the regulating part is long. Simple structure and convenient deformation.

Furthermore, the top surface of the end plate body is provided with lightening grooves, and reinforcing ribs are arranged among the lightening grooves. Subtract the quality that the heavy groove effectively reduced the end plate body, the structural strength of strengthening rib reinforcing end plate body.

Further, the lightening grooves are triangular. The triangular weight reduction groove has good structural strength.

Furthermore, the top surface of the end plate body is provided with a mounting hole, and the mounting hole is positioned at the end part of the top surface. The mounting hole is used for mounting the end plate body and the box body, and the end plate body can be fixed in the box body through bolts from the upper part.

According to the utility model discloses a further aspect provides a battery pack, including the end plate structure of battery, end plate body is located the double-phase opposite side of the vertical direction of electric core module, is equipped with the curb plate on the opposite side of the vertical direction of electric core module, is equipped with the heat insulating part between single electric core spare in the electric core module. After a plurality of electric cores are arranged together in proper order through the heat insulating part, set up curb plate, end plate structure respectively in four sides of its vertical direction to form electric core module.

Further, the battery cell module is arranged in the box in proper order, and the box is equipped with the spacing groove of 7 fonts, and the spacing groove can form the joint structure with the protruding side of regulating part to fixed battery cell module. Through regulation part and spacing groove joint between electric core module and box, form the joint structure that has the buffering effect, it is effectual to the protection of battery.

Further, be equipped with the chamfer at the top of box and the one side of spacing groove dorsad to form the guide structure that the electric core module packed into the box. The chamfer is as guide structure, makes things convenient for electric core module to pack into in the box, improves assembly efficiency.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the end plate body is a part of the battery module, the adjusting part extends out of the end plate body, the movable cavity is formed, the protruding side of the adjusting part can be retracted into the movable cavity when being pressed, and the end plate body can be integrally formed with the adjusting part through casting so as to ensure the structural strength of the adjusting part; when the battery module is arranged in the box body, the battery module can be clamped through the adjusting part which can deform after being pressed, so that the box entering mode and the structural design of the battery module are simplified, the assembly efficiency is improved, and meanwhile, due to the characteristic that the adjusting part can deform, the adjusting part can still play a role in buffering after the battery pack is assembled, so that the battery module is protected, and the vibration failure risk of the battery module is reduced; after a plurality of electric cores are arranged together in proper order through the heat insulating part, set up curb plate, end plate structure respectively in four sides of its vertical direction to form electric core module.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic diagram of an embodiment of an end plate structure of a battery according to the present invention.

Fig. 2 shows a schematic diagram of an embodiment of a battery cell module of the present invention.

Fig. 3 shows a schematic diagram of an embodiment of the box of the present invention.

Fig. 4 shows an enlarged view at a in fig. 3.

Fig. 5 shows a cross-sectional view of an embodiment of the battery pack of the present invention.

Fig. 6 shows an enlarged view at B in fig. 5.

Wherein the figures include the following reference numerals:

10. an end plate body; 11. an adjustment section; 12. a movable cavity; 13. hoisting the groove; 14. a weight reduction groove; 15. reinforcing ribs; 16. mounting holes;

20. a side plate; 30. a thermal insulation member; 40. a box body; 41. a limiting groove; 42. and (6) chamfering.

Detailed Description

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 6, in this embodiment, the battery module is in a long strip shape, and is formed by sequentially arranging a plurality of battery cells, a contact surface between the battery cells is provided with a heat insulating material, the long strip-shaped battery module is vertically provided with four side surfaces, two sides of the long strip-shaped battery module in the length direction are respectively fixed with an end plate body 10, and two sides of the long strip-shaped battery module in the width direction are respectively fixed with a side plate 20, so as to form the battery module; the box body 40 is provided with a plurality of groove-shaped structures which can accommodate a plurality of battery modules to form a battery pack; when the battery module is arranged in the box body 40, the battery module is clamped into the hoisting groove 13 by hoisting, hoisted and placed in the corresponding position groove of the box body 40; a clamping structure is formed between the rear box body 40 and the battery module through the adjusting part 11 and the limiting groove 41, and then bolts penetrate into the mounting holes 16 to connect the box body 40 and the battery module in a screwed mode.

Referring to fig. 1, an end plate structure of a battery includes an end plate body 10, a movable adjusting part 11 extending from a side surface of the end plate body 10, one end of the adjusting part 11 being connected to the end plate body 10, and the other end protruding from the side surface of the end plate body 10; the end plate body 10 is provided with a movable cavity 12 beside the adjusting part 11, and the convex side of the adjusting part 11 is pressed and can be retracted into the movable cavity 12.

According to the technical scheme, the end plate body 10 is a part of the battery module, the adjusting part 11 extends out of the end plate body 10, and the movable cavity 12 is arranged, so that the protruding side of the adjusting part 11 can be retracted into the movable cavity 12 when being pressed, and the end plate body 10 can be integrally formed with the adjusting part 11 through casting, so that the structural strength of the adjusting part 11 is ensured; and when packing into box 40 with battery module, but accessible pressurized back flexible motion's regulating part 11 carries out the joint to simplify battery module's income case mode and structural design, improve assembly efficiency, simultaneously because the characteristics that regulating part 11 can produce the deformation, therefore regulating part 11 still can play the effect of buffering after battery pack is assembled, in order to protect battery module, reduce battery module's vibration inefficacy risk.

As shown in fig. 1, the end plate body 10 is further provided with a hanging groove 13, and the hanging groove 13 is arranged near the convex side of the adjusting part 11; the convex side of the adjustment part 11 is close to the upper part of the end plate body 10, and the other side of the adjustment part 11 is close to the lower part of the end plate body 10. The hoisting groove 13 is used for hoisting the battery module by the hoisting structure, so that the battery module is convenient to move and transfer; and the hoisting groove 13 is close to the protruding side of the adjusting part 11, so that when the lifting and carrying are carried, the clamping jaw firstly buffers through the adjusting part 11 and then grabs the hoisting groove 13, the motion of the clamping jaw is buffered, and the effect of protecting the end plate body 10 and the battery module is achieved.

As shown in fig. 1, the adjusting parts 11 are further three and arranged side by side, and a hanging slot 13 is arranged between every two adjusting parts 11. The plurality of adjusting parts 11 have good buffering and clamping effects.

As shown in fig. 1, the adjustment portion 11 is elongated. Simple structure and convenient deformation.

As shown in fig. 1, the top surface of the end plate body 10 is provided with lightening grooves 14, and reinforcing ribs 15 are provided between the lightening grooves 14. The weight reduction grooves 14 effectively reduce the mass of the end plate body 10, and the reinforcing ribs 15 enhance the structural strength of the end plate body 10.

Further, the lightening grooves 14 are triangular. The triangular lightening grooves 14 have good structural strength.

Further, the top surface of the end plate body 10 is opened with a mounting hole 16, and the mounting hole 16 is located at an end of the top surface. The mounting hole 16 is used for mounting the end plate body 10 to the case 40, and the end plate body 10 can be fixed in the case 40 by a bolt from above.

As shown in fig. 2 and 3, according to another aspect of the present invention, a battery pack is provided, which includes an end plate structure of a battery, wherein an end plate body 10 is located on two opposite side surfaces of a vertical direction of a battery cell module, a side plate 20 is provided on the other opposite side surface of the vertical direction of the battery cell module, and a heat insulation member 30 is provided between single battery core members in the battery cell module. After a plurality of electric cores are arranged together in proper order through heat insulating part 30, set up curb plate 20, end plate structure respectively in its vertical direction's four sides to form electric core module.

As shown in fig. 4 to 6, further, the battery cell modules are sequentially arranged in the box 40, the box 40 is provided with a 7-shaped limiting groove 41, and the limiting groove 41 and the protruding side of the adjusting portion 11 can form a clamping structure to fix the battery cell modules. Through

regulation part

11 and 41 joint of spacing groove between electric core module and box 40, form the joint structure that has buffering effect, it is effectual to the protection of battery.

As shown in fig. 4 and fig. 6, a chamfer 42 is further disposed on a top of the box 40 and a side facing away from the limiting groove 41 to form a cell module.

The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The end plate structure of the battery is characterized by comprising an end plate body (10), wherein a movable adjusting part (11) extends out of the side surface of the end plate body (10), one end of the adjusting part (11) is connected to the end plate body (10), and the other end of the adjusting part protrudes out of the side surface of the end plate body (10); the end plate body (10) is provided with a movable cavity (12) beside the adjusting part (11), and the convex side of the adjusting part (11) is pressed and can be retracted into the movable cavity (12).

2. The end plate structure of the battery according to claim 1, wherein the end plate body (10) is provided with a hanging groove (13), and the hanging groove (13) is provided near the convex side of the regulating part (11); the convex side of the adjusting part (11) is close to the upper part of the end plate body (10), and the other side of the adjusting part (11) is close to the lower part of the end plate body (10).

3. The end plate structure of a battery according to claim 2, wherein the regulating portions (11) are three and arranged side by side, and one hanging groove (13) is provided between each two regulating portions (11).

4. The end plate structure of a battery according to claim 2, wherein the regulating portion (11) is elongated.

5. The end plate structure of a battery according to claim 1, wherein the top surface of the end plate body (10) is provided with lightening grooves (14), and reinforcing ribs (15) are provided between the lightening grooves (14).

6. The end plate structure of a battery according to claim 5, wherein the weight-reduction grooves (14) are triangular in shape.

7. The end plate structure of a battery according to claim 1, wherein the top surface of the end plate body (10) is provided with a mounting hole (16), and the mounting hole (16) is located at an end of the top surface.

8. A battery pack, comprising the end plate structure of the battery of any one of claims 1 to 7, wherein the end plate body (10) is located on two opposite sides of the vertical direction of the cell module, a side plate (20) is arranged on the other opposite side of the vertical direction of the cell module, and a heat insulating member (30) is arranged between the single core pieces in the cell module.

9. The battery pack according to claim 8, wherein the cell modules are sequentially arranged in a box body (40), the box body (40) is provided with a 7-shaped limiting groove (41), and the limiting groove (41) and the protruding side of the adjusting part (11) can form a clamping structure to fix the cell modules.

10. The battery pack according to claim 9, wherein a chamfer (42) is provided at a top of the case (40) and a side facing away from the limiting groove (41) to form a guide structure for the cell module to be installed in the case (40).