Frame type lithium battery module combination structure

Abstract

The utility model discloses a frame-type lithium battery module combination structure which comprises a first splicing-type frame rod, a second splicing-type frame rod and a third splicing-type frame rod, and splicing heads are fixedly mounted on the side surfaces of the first splicing-type frame rod, the second splicing-type frame rod and the third splicing-type frame rod; the splicing head butt joint piece is installed on the outer side of the splicing head, and the splicing head butt joint piece comprises a sleeve block, a connecting base, a first bolt and a plug pin; the corner blocks are connected between the first splicing type frame rods in the vertical direction through second bolts; the third bolt is connected between the second splicing type frame rod and the first splicing type frame rod; and the fourth bolt is connected between the third splicing type frame rod and the second splicing type frame rod. And the splicing quantity of the first splicing type frame rods, the second splicing type frame rods and the third splicing type frame rods is adjusted, so that the lithium battery modules with different sizes can be adapted, and the adaptability is wide.

Description

Technical Field

[0001] The utility model relates to the field of combined structures, in particular to a frame-type lithium battery module combined structure. Background Art

[0002] Lithium batteries have gradually become the mainstream of power batteries due to their advantages such as small size and light weight, high energy and power, low self-discharge rate, environmental protection and long service life. When using lithium batteries, they are usually made into a frame-type lithium battery module combination structure for use. For example, patent application number: 202121499966.6 discloses a new type of lithium battery module fixing bracket, including a module frame, the module frame includes a left side plate and a right side plate, the top and bottom sides of the left side plate and the right side plate are respectively fixed by steel strips, and the front and rear sides are fixed by pressure strips or baffles. A battery module is placed between the left side plate and the right side plate. It has the following advantages: it overcomes the defects of the prior art using tape binding, making the battery pack easy to disassemble, convenient for maintenance or replacement of parts, and at the same time has good heat dissipation, which increases the service life of the battery. In addition, the appearance design of the fixing bracket is reasonable, and there is a battery module lead column avoidance area, so that the lead column will not occupy space and affect the installation during installation.

[0003] However, the patent still has the following defects: since the structures of the left side plate, right side plate, steel strip plate and baffle plate are fixed, when installing battery modules of different sizes, left side plates, right side plates, steel strip plates and baffle plates of different sizes must be produced, and the adaptability is poor. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a frame-type lithium battery module combination structure, which can adjust the splicing number of the first splicing frame rod, the second splicing frame rod and the third splicing frame rod to adapt to lithium battery modules of different sizes with wide adaptability.

[0005] According to the technical solution provided in the embodiment of the present application, a frame-type lithium battery module combination structure includes a first spliced ​​frame rod, a second spliced ​​frame rod and a third spliced ​​frame rod, and the sides of the first spliced ​​frame rod, the second spliced ​​frame rod and the third spliced ​​frame rod are fixedly installed with splicing joints; the second spliced ​​frame rod is a vertical structure, and the third spliced ​​frame rod is a horizontal structure, a splicing joint docking piece, the splicing joint docking piece is installed on the outside of the splicing joint, and the splicing joint docking piece includes a sleeve, a connecting seat, a first bolt and a latch; the sleeve is sleeved on the outside of the splicing joint, the connecting seat is fixedly connected to the sleeve, the first bolt is screwed on the side of the connecting seat, and a screw sleeve matching the first bolt is fixedly installed on the side of the connecting seat, and the latch is fixedly installed on the end of the first bolt, the side of the connecting seat is provided with an opening corresponding to the latch, and the side of the splicing joint is provided with a slot matching the latch, and the end of the latch passes through the opening and extends into the slot, a corner block, and the corner block is connected in the vertical direction by a second bolt The first spliced ​​frame rods are provided with a first through hole corresponding to the second bolt on the side of the corner block, and a first screw groove matching the second bolt on the side of the first spliced ​​frame rod, a third bolt, and the third bolt is connected between the second spliced ​​frame rod and the first spliced ​​frame rod; the second spliced ​​frame rod is provided with a second through hole corresponding to the third bolt on the side of the first spliced ​​frame rod, and a second screw groove matching the third bolt on the side of the first spliced ​​frame rod, a fourth bolt, and the fourth bolt is connected between the third spliced ​​frame rod and the second spliced ​​frame rod; the third spliced ​​frame rod is provided with a third through hole corresponding to the fourth bolt on the side of the second spliced ​​frame rod, and a third screw groove matching the fourth bolt on the side of the second spliced ​​frame rod, a lithium battery module, the lithium battery module is placed between the first spliced ​​frame rod, the second spliced ​​frame rod and the third spliced ​​frame rod, the third spliced ​​frame rod is respectively located above and below the lithium battery module, and the first spliced ​​frame rod is in contact with the outer side wall of the lithium battery module.

[0006] To sum up, the beneficial effects of the present application are as follows: by setting the first spliced ​​frame rod, the second spliced ​​frame rod, the third spliced ​​frame rod, the spliced ​​joint, the spliced ​​joint docking piece, the corner block, the second bolt, the third bolt and the fourth bolt, the splicing number of the first spliced ​​frame rod, the second spliced ​​frame rod and the third spliced ​​frame rod can be adjusted to adapt to lithium battery modules of different sizes with wide adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a schematic diagram of the top view of the connection between the first spliced ​​frame rod, the second spliced ​​frame rod, the spliced ​​joint, the sleeve block, the connecting seat, the first bolt, the corner block, the second bolt, the third bolt and the lithium battery module of the utility model;

[0010] Figure 3 It is a structural schematic diagram of the connection between the splicing joint and the splicing joint butt piece of the utility model;

[0011] Figure 4 It is a structural schematic diagram of the connection between the third spliced ​​frame rod and the spliced ​​joint of the utility model.

[0012] Numbers in the figure: 1. first spliced ​​frame rod; 2. second spliced ​​frame rod; 3. third spliced ​​frame rod; 4. spliced ​​joint; 5. spliced ​​joint docking piece; 6. sleeve block; 7. connecting seat; 8. first bolt; 9. latch; 10. corner block; 11. second bolt; 12. third bolt; 13. fourth bolt; 14. lithium battery module. DETAILED DESCRIPTION

[0013] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0014] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0015] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4, a frame-type lithium battery module combination structure, including a first splicing frame rod 1, a second splicing frame rod 2 and a third splicing frame rod 3, the sides of the first splicing frame rod 1, the second splicing frame rod 2 and the third splicing frame rod 3 are fixedly installed with a splicing joint 4; a splicing joint docking piece 5, the splicing joint docking piece 5 is installed on the outside of the splicing joint 4, and the splicing joint docking piece 5 includes a sleeve block 6, a connecting seat 7, a first bolt 8 and a latch 9; a corner block 10, the corner block 10 is connected between the first splicing frame rods 1 in the vertical direction through a second bolt 11; a third bolt 12, the third bolt 12 is connected between the second splicing frame rod 2 and the first splicing frame rod 1; a fourth bolt 13, the fourth bolt 13 is connected between the third splicing frame rod 3 and the second splicing frame rod 2; a lithium battery module 14, the lithium battery module 14 is placed between the first splicing frame rod 1, the second splicing frame rod 2 and the third splicing frame rod 3.

[0016] like Figure 1 , Figure 2 and Figure 4 As shown, the outer surfaces of the first spliced ​​frame rod 1, the second spliced ​​frame rod 2, the third spliced ​​frame rod 3, the spliced ​​joint 4, the spliced ​​joint joint part 5, and the corner block 10 are all coated with insulating paint, and there are several of each of the first spliced ​​frame rod 1, the second spliced ​​frame rod 2, and the third spliced ​​frame rod 3. The third spliced ​​frame rod 3 is located above and below the lithium battery module 14, and the second spliced ​​frame rod 2 is a vertical structure. The third spliced ​​frame rod 3 is a horizontal structure, and the first spliced ​​frame rod 1 is in contact with the outer side wall of the lithium battery module 14, and the lithium battery module 14 is formed by a plurality of block-shaped lithium batteries being compactly arranged.

[0017] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the sleeve block 6 is sleeved on the outer side of the splicing joint 4, the connecting seat 7 is fixedly connected to the sleeve block 6, the first bolt 8 is screwed on the side of the connecting seat 7, and a screw sleeve matching the first bolt 8 is fixedly installed on the side of the connecting seat 7, the latch 9 is fixedly installed on the end of the first bolt 8, and the side of the connecting seat 7 is provided with an opening corresponding to the latch 9, which facilitates the passage of the latch 9, and the side of the splicing joint 4 is provided with a slot matching the latch 9, and the end of the latch 9 passes through the opening and extends into the slot. The side of the corner block 10 is provided with a first through hole corresponding to the second bolt 11, and the side of the first splicing frame rod 1 is provided with a first screw groove matching the second bolt 11, which facilitates the connection of the second bolt 11.

[0018] like Figure 1 , Figure 2 and Figure 4 As shown, the side of the second spliced ​​frame bar 2 is provided with a second through hole corresponding to the third bolt 12, and the side of the first spliced ​​frame bar 1 is provided with a second screw groove matching the third bolt 12, which facilitates the connection of the third bolt 12. The side of the third spliced ​​frame bar 3 is provided with a third through hole corresponding to the fourth bolt 13, and the side of the second spliced ​​frame bar 2 is provided with a third screw groove matching the fourth bolt 13, which facilitates the connection of the fourth bolt 13.

[0019] When in use: according to the size of the lithium battery module 14, first adjust the number of splicing of the first splicing frame rod 1, the second splicing frame rod 2 and the third splicing frame rod 3, then put the sleeve block 6 of the splicing joint docking piece 5 on the outside of the splicing joint 4, and turn the first bolt 8, the first bolt 8 can drive the latch 9 to move, so that the end of the latch 9 extends into the slot of the splicing joint 4, and the adjacent first splicing frame rod 1, the second splicing frame rod 2 and the third splicing frame rod 3 can be fixed, and then the turning The corner block 10 is connected between the first splicing frame rods 1 in the vertical direction by the second bolt 11, the third bolt 12 is connected between the second splicing frame rod 2 and the first splicing frame rod 1, and the fourth bolt 13 is connected between the third splicing frame rod 3 and the second splicing frame rod 2. The first splicing frame rod 1, the second splicing frame rod 2 and the third splicing frame rod 3 are assembled on the outside of the battery module 14. The assembly is convenient and has a wide adaptability, and can adapt to lithium battery modules 14 of different sizes.

[0020] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. A frame-type lithium battery module combination structure, characterized by: It comprises a first spliced ​​frame rod (1), a second spliced ​​frame rod (2) and a third spliced ​​frame rod (3), wherein the sides of the first spliced ​​frame rod (1), the second spliced ​​frame rod (2) and the third spliced ​​frame rod (3) are all fixedly mounted with splicing joints (4); A splicing joint butt joint (5), the splicing joint butt joint (5) being installed on the outer side of the splicing joint (4), the splicing joint butt joint (5) comprising a sleeve block (6), a connecting seat (7), a first bolt (8) and a latch (9); A corner block (10), wherein the corner block (10) is connected between the first spliced ​​frame rods (1) in the vertical direction via a second bolt (11); a third bolt (12), the third bolt (12) being connected between the second spliced ​​frame rod (2) and the first spliced ​​frame rod (1); a fourth bolt (13), the fourth bolt (13) being connected between the third spliced ​​frame rod (3) and the second spliced ​​frame rod (2); A lithium battery module (14), wherein the lithium battery module (14) is disposed between the first spliced ​​frame rod (1), the second spliced ​​frame rod (2) and the third spliced ​​frame rod (3).

2. The frame-type lithium battery module assembly structure according to claim 1, characterized in that: The third spliced ​​frame rod (3) is located above and below the lithium battery module (14) respectively, and the second spliced ​​frame rod (2) is a vertical structure.

3. The frame-type lithium battery module assembly structure according to claim 1, characterized in that: The third spliced ​​frame rod (3) is a horizontal structure, and the first spliced ​​frame rod (1) is in contact with the outer side wall of the lithium battery module (14).

4. The frame-type lithium battery module assembly structure according to claim 1, characterized in that: The sleeve block (6) is sleeved on the outer side of the splicing joint (4); the connecting seat (7) is fixedly connected to the sleeve block (6); the first bolt (8) is screwed on the side of the connecting seat (7); a screw sleeve matching the first bolt (8) is fixedly installed on the side of the connecting seat (7); the latch (9) is fixedly installed on the end of the first bolt (8); an opening corresponding to the latch (9) is provided on the side of the connecting seat (7); a slot matching the latch (9) is provided on the side of the splicing joint (4); and the end of the latch (9) passes through the opening and extends into the slot.

5. The frame-type lithium battery module assembly structure according to claim 1, characterized in that: A first through hole corresponding to the second bolt (11) is provided on a side surface of the corner block (10), and a first screw groove matching the second bolt (11) is provided on a side surface of the first spliced ​​frame rod (1).

6. The frame-type lithium battery module assembly structure according to claim 1, characterized in that: The side surface of the second spliced ​​frame rod (2) is provided with a second through hole corresponding to the third bolt (12), and the side surface of the first spliced ​​frame rod (1) is provided with a second screw groove matching the third bolt (12).

7. The frame-type lithium battery module assembly structure according to claim 1, characterized in that: The side surface of the third spliced ​​frame rod (3) is provided with a third through hole corresponding to the fourth bolt (13), and the side surface of the second spliced ​​frame rod (2) is provided with a third screw groove matching the fourth bolt (13).

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