Battery module fixing structure

Abstract

The utility model discloses a battery module fixing structure, which belongs to the technical field of battery module fixing and comprises a battery pack, a battery cell arranged in the battery pack and a mounting mechanism which is arranged in the battery pack and is used for conveniently mounting and dismounting the battery cell, the mounting mechanism comprises a bottom plate slidably mounted in the battery pack and a first telescopic rod fixedly mounted on the inner wall of the bottom of the battery pack; through cooperative use of the devices and arrangement of the mounting mechanism, after the two fixing plates are pulled outwards, a battery cell is directly inserted into a battery pack, the battery cell is clamped by the two side plates, then the two fixing plates are pulled inwards and fixed, and when the battery cell is disassembled, the battery cell can be directly inserted into the battery pack through the mounting mechanism. When the battery core is disassembled, the battery core can be disassembled only by pulling the two fixing plates and the two side plates outwards, so that the disassembling and assembling efficiency is improved, and the reliability and the stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module fixing technical field, concretely is battery module fixing structure. BACKGROUND

[0002] With the continuous development of lithium battery technology, lithium battery module has been applied to many industries, such as electric vehicles, robots, new energy vehicles, household energy storage, entertainment equipment, etc., in order to achieve the required voltage and power, a plurality of battery modules are usually connected in series in the battery box.

[0003] According to the search, the Chinese utility model patent discloses a kind of battery module fixing structure (publication number: CN221668970U), including the first electric core support, it is installed in the inside of the battery pack, the front end of the first electric core support is provided with second electric core support side foam, it is provided in the front end and rear end of the inner wall of the battery pack, the inside of the upper end of the side foam is provided with structure glue recess, the outside of the side foam and structure glue recess is provided with structure glue filling layer;Upper pressing cover, it is provided above the battery pack, battery cover, it is provided above the upper pressing cover.

[0004] In the above patent, by setting side foam on the front end and rear end of the inner wall of the battery pack, the side foam can rely on elastic effect to compress the electric core support, after the electric core support is completely put in, structure glue is hit into the structure glue recess on the both sides and upper end of the side foam, the upper foam of the bottom surface of the upper pressing cover can further compress the electric core, and the foam itself is flexible material, can cooperate with the expansion and contraction of electric core, solve the problem that existing electric core adopts the fixing mode of lacing belt, when battery expands internally or is caused by external collision, it is easy to fall off, but when electric core needs to be replaced, it is not convenient to disassemble and replace, in emergency, if electric core cannot be replaced in time, it can cause the performance of battery pack to decline, even can appear security risk, can affect the reliability and stability of equipment.

[0005] Therefore, the utility model provides battery module fixing structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] (I) technical problem solved

[0007] The utility model provides battery module fixing structure, aims at solving the problem proposed in background art.

[0008] (II) technical scheme

[0009] To achieve the above purpose, the utility model provides the following technical scheme: battery module fixing structure, the battery module fixing structure includes battery pack, electric core arranged in the inside of battery pack and installation mechanism arranged in the inside of battery pack for facilitating installation and disassembly electric core.

[0010] The mounting mechanism comprises a bottom plate slidably mounted in the interior of the battery pack, a first telescopic rod fixedly mounted on the inner wall of the bottom of the battery pack, a first spring sleeved on the first telescopic rod, a side plate slidably mounted in the interior of the battery pack, a second telescopic rod fixedly mounted on the inner wall of the two sides of the battery pack, a second spring sleeved on the second telescopic rod, a fixing plate slidably mounted in the interior of the battery pack, and a limiting block fixedly mounted on the fixing plate, and the fixing plate penetrates the battery pack and the side plate in sequence.

[0011] As a preferred technical solution of the present application, the movable end of the first telescopic rod is fixedly mounted on the bottom of the bottom plate, one end of the first spring is fixedly connected to the bottom of the bottom plate, the other end of the first spring is fixedly connected to the inner wall of the bottom of the battery pack, the movable end of the second telescopic rod is fixedly connected to one side of the side plate, one end of the second telescopic rod is fixedly connected to one side of the side plate, and the other end of the second telescopic rod is fixedly connected to one side of the battery pack.

[0012] As a preferred technical solution of the present application, the two sides of the battery pack are fixedly connected with foam, and a plurality of heat dissipation holes are formed in the two sides of the battery pack, and the heat dissipation holes are linearly arranged on the battery pack.

[0013] As a preferred technical solution of the present application, the interior of one of the fixing plates is fixedly connected with a sleeve, the interior of the fixing plate is fixedly connected with a mounting block, one side of the mounting block is fixedly connected with a third telescopic rod, the movable end of the third telescopic rod is fixedly connected with a plug block, and the plug block penetrates the sleeve.

[0014] As a preferred technical solution of the present application, the side surface of the third telescopic rod is sleeved with a third spring, one end of the third spring is fixedly connected to one side of the plug block, the other end of the third spring is fixedly connected to one side of the mounting block, the interior of the fixing plate is slidably connected with a pressing block, one side of the pressing block is fixedly connected with a plurality of plug strips, and the interior of the fixing plate is slidably connected with a backing plate.

[0015] As a preferred technical solution of the present application, the sleeve penetrates the backing plate, the side surface of the sleeve is sleeved with a fourth spring, one end of the fourth spring is fixedly connected to one side of the backing plate, the other end of the fourth spring is fixedly connected to the interior of the fixing plate, one side of the other fixing plate is fixedly connected with a plug rod, and the side surface of the plug rod is provided with a plug slot for inserting the plug block.

[0016] (Three) beneficial effects

[0017] The utility model discloses simple structure, convenient to use, through the setting of mounting mechanism, after the two fixed plates are pulled outward, directly the electric core is inserted to the interior of battery pack, and the two side plates will clamp the electric core, then again pull the two fixed plates in and fix, when dismantling the electric core, only need to pull the two fixed plates together with the two side plates outward, can complete the dismantling of electric core, improve the efficiency of dismantling and installation, improve the reliability and stability. Attached Figure Description

[0018] Figure 1 A structural diagram of the battery module fixing structure;

[0019] Figure 2 Cross-sectional view of the battery pack in the battery module fixing structure Figure 1 ;

[0020] Figure 3 Cross-sectional view of the battery pack in the battery module fixing structure Figure 2 ;

[0021] Figure 4 This is a schematic diagram of the installation of the side plate in the battery module fixing structure;

[0022] Figure 5 for Figure 2 Enlarged view of point A in the middle;

[0023] Figure 6 This is a schematic diagram of the installation of the insert block in the battery module fixing structure.

[0024] In the picture:

[0025] 1. Battery pack; 2. Battery cell; 3. Base plate; 4. First telescopic rod; 5. First spring; 6. Side plate; 7. Second telescopic rod; 8. Second spring; 9. Fixing plate; 10. Limiting block; 11. Foam; 12. Heat dissipation hole; 13. Sleeve; 14. Mounting block; 15. Third telescopic rod; 16. Insert block; 17. Third spring; 18. Pressing block; 19. Insert strip; 20. Pad plate; 21. Fourth spring; 22. Insert rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] This utility model provides a fixing structure, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the battery module fixing structure includes a battery pack 1, a battery cell 2 disposed inside the battery pack 1, and a mounting mechanism disposed inside the battery pack 1 for facilitating the installation and removal of the battery cell 2.

[0028] The mounting mechanism comprises a bottom plate 3 slidably mounted inside the battery pack 1, a first telescopic rod 4 fixedly mounted on the inner wall of the bottom of the battery pack 1, a first spring 5 sleeved on the first telescopic rod 4, a side plate 6 slidably mounted inside the battery pack 1, a second telescopic rod 7 fixedly mounted on the inner wall of both sides of the battery pack 1, a second spring 8 sleeved on the second telescopic rod 7, a fixed plate 9 slidably mounted inside the battery pack 1, and a limiting block 10 fixedly mounted on the fixed plate 9, and the fixed plate 9 penetrates the battery pack 1 and the side plate 6 in sequence.

[0029] The movable end of the first telescopic rod 4 is fixedly mounted on the bottom of the bottom plate 3, one end of the first spring 5 is fixedly connected to the bottom of the bottom plate 3, the other end of the first spring 5 is fixedly connected to the inner wall of the bottom of the battery pack 1, the movable end of the second telescopic rod 7 is fixedly connected to one side of the side plate 6, one end of the second telescopic rod 7 is fixedly connected to one side of the side plate 6, and the other end of the second telescopic rod 7 is fixedly connected to one side of the battery pack 1.

[0030] In use, first, the two fixed plates 9 are pulled outward, then the battery cell 2 is inserted into the inside of the battery pack 1, the bottom of the battery cell 2 first contacts the bottom plate 3, and continues to move downward to drive the bottom plate 3 to move downward, thereby compressing the first spring 5, and at the same time, the first telescopic rod 4 is retracted until the bottom plate 3 moves to the bottom position of the side plate 6 and no longer limits the side plate 6, the two side plates 6 are pushed inward by the elastic potential energy of the second spring 8, and at the same time, the second telescopic rod 7 is extended until the two side plates 6 fix the battery cell 2, then the two fixed plates 9 are pulled inward to fix the two fixed plates 9, and the installation of the battery cell 2 is completed, when the battery cell 2 needs to be disassembled, the two fixed plates 9 are manually pulled outward until the two fixed plates 9 drive the two side plates 6 to be pulled outward at the same time until the side plate 6 moves out from the top of the bottom plate 3, then the bottom plate 3 is lifted upward by the elastic potential energy of the first spring 5, and at the same time, the movable end of the first telescopic rod 4 is extended, the battery cell 2 is moved upward synchronously by the upward movement of the bottom plate 3, at this time, the battery cell 2 is convenient to take out and replace, and at the same time, when the battery cell 2 shakes, the shock absorption can be performed.

[0031] Further, in order to buffer and absorb the shock of the battery cell 2, as shown in Figure 1 , Figure 2 and Figure 3 , the two sides of the battery pack 1 are fixedly connected with a foam 11, and a plurality of heat dissipation holes 12 are formed in the two sides of the battery pack 1, and the heat dissipation holes 12 are linearly arranged on the battery pack 1.

[0032] The battery module fixing structure contacts the foam 11 on both sides of the battery cell 2 after the battery cell 2 is installed. The battery may be subjected to various vibrations and impacts during use. The foam 11 has good elasticity and shock absorption performance, can relieve mechanical impact between the battery cells 2, reduce damage to the battery cells 2 caused by collision and vibration, protect the internal structure and elements of the battery module, prolong the service life of the battery, and dissipate heat generated by the battery during use through the heat dissipation holes 12.

[0033] Wherein, in order to control the fixing between the two fixed plates 9, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 6 , one of the fixed plates 9 is fixedly connected with a sleeve 13 inside, the fixed plate 9 is fixedly connected with a mounting block 14 inside, one side of the mounting block 14 is fixedly connected with a third telescopic rod 15, the movable end of the third telescopic rod 15 is fixedly connected with an insertion block 16, and the insertion block 16 penetrates through the sleeve 13.

[0034] The side surface of the third telescopic rod 15 is sleeved with a third spring 17, one end of the third spring 17 is fixedly connected to one side of the insertion block 16, the other end of the third spring 17 is fixedly connected to one side of the mounting block 14, the inside of the fixed plate 9 is slidably connected with a pressing block 18, one side of the pressing block 18 is fixedly connected with a plurality of insertion strips 19, and the inside of the fixed plate 9 is slidably connected with a backing plate 20.

[0035] The sleeve 13 penetrates through the backing plate 20, the side surface of the sleeve 13 is sleeved with a fourth spring 21, one end of the fourth spring 21 is fixedly connected to one side of the backing plate 20, the other end of the fourth spring 21 is fixedly connected to the inside of the fixed plate 9, one side of the other fixed plate 9 is fixedly connected with an insertion rod 22, and the side surface of the insertion rod 22 is provided with an insertion slot for inserting the insertion block 16.

[0036] When using this battery module fixing structure, during the installation of the battery cell 2, the two fixing plates 9 are pulled inwards until the insertion rod 22 on one fixing plate 9 is inserted into the sleeve 13 on the other fixing plate 9. The insertion rod 22 first contacts the inclined surfaces of the two insertion blocks 16, and continues to move, pressing the two insertion blocks 16 outwards. At the same time, the third spring 17 is compressed, and the third telescopic rod 15 retracts until the slot on the insertion rod 22 is on the same vertical line as the insertion block 16. The elastic potential energy of the third spring 17 inserts the insertion block 16 into the slot, thus fixing the two fixing plates 9. Disassembly is then possible. When installing battery cell 2, the pressing block 18 is pressed inward, which drives the insert 19 to move synchronously. The inclined surface of the insert 19 fits against the inclined surface of the insert 16, thereby pressing the two inserts 16 outward until they are moved out of the slot, stopping the limiting of the insert rod 22. While the insert 19 moves, the pad 20 is pressed inward, and the fourth spring 21 is also pressed. Then the two fixing plates 9 are pulled outward. After replacing battery cell 2, the elastic potential energy of the fourth spring 21 is used to press the pad 20 outward until the pad 20 and the pressing block 18 return to their initial positions, preparing for the next installation of battery cell 2.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A battery module fixing structure characterized by: The battery module fixing structure comprises a battery pack (1), a battery cell (2) arranged inside the battery pack (1), and a mounting mechanism arranged inside the battery pack (1) for facilitating mounting and dismounting of the battery cell (2); The mounting mechanism comprises a bottom plate (3) slidingly mounted inside the battery pack (1), a first telescopic rod (4) fixedly mounted on the inner wall of the bottom of the battery pack (1), a first spring (5) sleeved on the first telescopic rod (4), a side plate (6) slidingly mounted inside the battery pack (1), a second telescopic rod (7) fixedly mounted on the inner walls of the two sides of the battery pack (1), a second spring (8) sleeved on the second telescopic rod (7), a fixed plate (9) slidingly mounted inside the battery pack (1), and a limiting block (10) fixedly mounted on the fixed plate (9), wherein the fixed plate (9) penetrates the battery pack (1) and the side plate (6) in sequence.

2. The battery module fixing structure according to claim 1, characterized by: The movable end of the first telescopic rod (4) is fixedly mounted on the bottom of the bottom plate (3), one end of the first spring (5) is fixedly connected to the bottom of the bottom plate (3), the other end of the first spring (5) is fixedly connected to the inner wall of the bottom of the battery pack (1), the movable end of the second telescopic rod (7) is fixedly connected to one side of the side plate (6), one end of the second telescopic rod (7) is fixedly connected to one side of the side plate (6), and the other end of the second telescopic rod (7) is fixedly connected to one side of the battery pack (1).

3. The battery module fixing structure according to claim 1, characterized by: The two sides of the battery pack (1) are fixedly connected with foam (11), and a plurality of heat dissipation holes (12) are formed in the two sides of the battery pack (1), wherein the heat dissipation holes (12) are linearly arranged on the battery pack (1).

4. The battery module fixing structure according to claim 1, characterized by: One of the fixed plates (9) is fixedly connected with a sleeve (13) inside, the fixed plate (9) is fixedly connected with a mounting block (14) inside, one side of the mounting block (14) is fixedly connected with a third telescopic rod (15), the movable end of the third telescopic rod (15) is fixedly connected with an insertion block (16), and the insertion block (16) penetrates the sleeve (13).

5. The battery module fixing structure according to claim 4, characterized by: The side surface of the third telescopic rod (15) is sleeved with a third spring (17), one end of the third spring (17) is fixedly connected to one side of the insertion block (16), the other end of the third spring (17) is fixedly connected to one side of the mounting block (14), the inside of the fixed plate (9) is slidingly connected with a pressing block (18), one side of the pressing block (18) is fixedly connected with a plurality of insertion strips (19), and the inside of the fixed plate (9) is slidingly connected with a backing plate (20).

6. The battery module fixing structure according to claim 5, characterized by: The sleeve (13) penetrates through the backing plate (20), the side surface of the sleeve (13) is sleeved with a fourth spring (21), one end of the fourth spring (21) is fixedly connected to one side of the backing plate (20), the other end of the fourth spring (21) is fixedly connected to the inside of the fixed plate (9), one side of the other fixed plate (9) is fixedly connected with an insertion rod (22), and the side surface of the insertion rod (22) is provided with an insertion slot for inserting the insertion block (16).

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