Structure box body of lithium battery

Abstract

The utility model relates to a lithium battery structure box body, which comprises a box body and a box cover, the box cover is arranged right above the box body, a plurality of partition plates distributed at equal intervals are fixedly arranged in the box body, the interior of the box body is divided into a plurality of battery jars by the partition plates, an extrusion mechanism is arranged in each battery jar, and the extrusion mechanisms are arranged on the box body. Integrally-formed protruding blocks are arranged at the four corners of the box body and the four corners of the box cover correspondingly, inserting grooves are formed in the upper ends, provided with the protruding blocks, of the box body, four inserting rods are fixedly installed on the lower surface, provided with the protruding blocks, of the box cover, grooves are formed in the side surfaces, provided with the protruding blocks, of the box body, and the inserting grooves communicate with the grooves. And a limiting assembly is arranged in the groove, and under the mutual cooperation of a limiting assembly fixing rod, a reset spring, a movable plate, a limiting plate and a pulling plate, the limiting plate is clamped in the limiting groove, so that the insertion rod is limited, and the box cover is limited and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery boxes, in particular to a structural box body of a lithium battery. Background Art

[0002] A lithium battery box is a device that assembles multiple lithium battery cells together to store and provide electrical energy. It usually consists of battery cells, BMS (battery management system), battery holder, air cooling system, detachable terminals and other parts.

[0003] In the prior art, most of the existing lithium battery boxes are usually fixed by a number of bolts in order to achieve stable fixation of the entire box body, that is, the stability of the connection between the box body and the box cover. However, after long-term use, the bolts may rust due to oxidation, making it difficult to remove the box cover. When the lithium battery contained in the box needs to be maintained or replaced, it is difficult to take it out. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a structural box for a lithium battery. The specific technical solution is as follows:

[0005] A structural box body of a lithium battery comprises a box body and a box cover, wherein the box cover is arranged directly above the box body, a plurality of equally spaced partitions are fixedly installed inside the box body, and the interior of the box body is divided into a plurality of battery slots by the partitions, and an extrusion mechanism is arranged inside each of the battery slots, and the four corners of the box body and the box cover are provided with integrally formed protrusions, a slot is provided inside the upper end of the protrusion provided on the box body, and four insertion rods are fixedly installed on the lower surface of the protrusion provided on the box cover, a groove is provided on the side surface of the protrusion provided on the box body, the slot and the groove are connected, and a limiting component is arranged inside the groove, and a limiting groove is provided on the side surface of the insertion rod.

[0006] As an improvement of the above technical solution, the insertion rod is movably inserted into the interior of the slot, and the positions of the insertion rod and the slot correspond and are adapted.

[0007] As an improvement of the above technical solution, a sealing strip is arranged around the lower surface of the box cover, and the sealing strip is integrally formed with the box cover, and the inner surface of the sealing strip is in contact with the outer surface of the box body.

[0008] As an improvement of the above technical solution, the extrusion mechanism includes an extrusion plate and a spring, the extrusion plate is arranged on both sides of the inside of the battery slot, the spring is arranged between the extrusion plate and the inner wall of the battery slot, and one end of the spring is fixedly connected to the extrusion plate, and the other end of the spring is fixedly connected to the inner wall of the battery slot.

[0009] As an improvement of the above technical solution, the outer surface of the extruded plate is provided with a plurality of anti-slip strips distributed at equal intervals, and the anti-slip strips and the extruded plate are integrally formed, and the extruded plate is a hard rubber component.

[0010] As an improvement of the above technical solution, the limit assembly includes a fixed rod, a return spring, a movable plate, a limit plate, and a pull plate. The fixed rod is fixedly installed inside the groove, and movable holes are opened inside both sides of the movable plate. The movable plate is movably sleeved on the fixed rod through the movable holes. The return spring is sleeved on the outside of the fixed rod, and the two ends of the return spring are respectively fixedly connected to the inner wall of the groove and the movable plate. A movable groove is opened in the middle position inside the movable plate, and the movable groove is located between the two movable holes. The limit plate is slidably inserted into the inside of the movable groove, and one end of the limit plate is inserted into the inside of the limit groove, and a pull plate is fixedly installed on the other end of the limit plate.

[0011] Beneficial effects of the utility model:

[0012] 1. Slots are provided at the four corners of the box body, and plug rods are provided at the lower surfaces of the four corners of the box cover. The box cover can be plugged into the upper end of the box body through the cooperation between the slots and the plug rods. At the same time, grooves are provided on the side surfaces of the box body where the protrusions are provided, and a limiting component is provided inside the groove. Under the action of the limiting component, the connection between the box body and the box cover can be made more stable, thereby increasing the stability of the connection between the box body and the box cover.

[0013] 2. By arranging a limit assembly inside the groove, with the cooperation of the limit assembly fixing rod, reset spring, movable plate, limit plate and pull plate, the limit plate is clamped in the limit groove to limit the insertion rod, thereby realizing the limit fixation of the box cover, and under the action of the reset spring, the limit plate can be quickly reset. When there is no external force pulling the limit plate, under the action of the reset spring elastic force, the limit plate can always be clamped in the limit groove, thereby increasing the stability of the connection between the box body and the box cover, and also increasing the convenience of removing the box cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the box body and the box cover of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the groove in the utility model;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0018] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0019] In the figure: 1. box body; 101. slot; 102. groove; 2. box cover; 201. sealing strip; 202. plug rod; 2021. limit slot; 3. partition; 4. battery slot; 5. extrusion plate; 501. anti-slip strip; 6. fixing rod; 7. reset spring; 8. movable plate; 801. movable hole; 802. movable slot; 9. limit plate; 10. pull plate; 11. spring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] like Figure 1-5 The utility model provides a technical solution: a structural box of a lithium battery, comprising a box body 1 and a box cover 2, the box cover 2 is arranged just above the box body 1, a plurality of equally spaced partitions 3 are fixedly installed inside the box body 1, and the interior of the box body 1 is divided into a plurality of battery slots 4 by the partitions 3, each battery slot 4 is provided with an extrusion mechanism, the four corners of the box body 1 and the box cover 2 are provided with integrally formed protrusions, a slot 101 is provided inside the upper end of the protrusion provided on the box body 1, four insertion rods 202 are fixedly installed on the lower surface of the protrusion provided on the box cover 2, a groove 102 is provided on the side surface of the protrusion provided on the box body 1, the slot 101 and the groove 102 are connected, a limiting component is provided inside the groove 102, and a limiting groove 2021 is provided on the side surface of the insertion rod 202.

[0022] In the present embodiment, slots 101 are opened inside the four corners of the box body 1, and insertion rods 202 are set on the lower surfaces of the four corners of the box cover 2. Through the mutual cooperation of the slots 101 and the insertion rods 202, the box cover 2 can be inserted into the upper end of the box body 1. At the same time, a groove 102 is opened on the side surface of the protrusion of the box body 1, and a limiting component is set inside the groove 102. Under the action of the limiting component, the connection between the box body 1 and the box cover 2 can be made more stable, thereby increasing the stability of the connection between the box body 1 and the box cover 2.

[0023] Specifically, the insertion rod 202 is movably inserted into the slot 101 , and the positions of the insertion rod 202 and the slot 101 correspond and fit.

[0024] Specifically, a sealing strip 201 is arranged around the lower surface of the box cover 2 , and the sealing strip 201 and the box cover 2 are integrally formed, and the inner surface of the sealing strip 201 is in contact with the outer surface of the box body 1 .

[0025] Specifically, the extrusion mechanism includes an extrusion plate 5 and a spring 11. The extrusion plate 5 is arranged on both sides of the inside of the battery slot 4. The spring 11 is arranged between the extrusion plate 5 and the inner wall of the battery slot 4, and one end of the spring 11 is fixedly connected to the extrusion plate 5, and the other end of the spring 11 is fixedly connected to the inner wall of the battery slot 4. The outer surface of the extrusion plate 5 is provided with a plurality of anti-slip strips 501 distributed at equal intervals, and the anti-slip strips 501 and the extrusion plate 5 are integrally formed, and the extrusion plate 5 is a hard rubber component.

[0026] Specifically, the limiting assembly includes a fixed rod 6, a reset spring 7, a movable plate 8, a limiting plate 9, and a pull plate 10. The fixed rod 6 is fixedly installed inside the groove 102. Movable holes 801 are opened inside the two sides of the movable plate 8. The movable plate 8 is movably sleeved on the fixed rod 6 through the movable holes 801. The reset spring 7 is sleeved on the outer side of the fixed rod 6. The two ends of the reset spring 7 are respectively fixedly connected to the inner wall of the groove 102 and the movable plate 8. A movable groove 802 is opened in the middle position inside the movable plate 8, and the movable groove 802 is located between the two movable holes 801. The limiting plate 9 is slidably inserted into the movable groove 802, and one end of the limiting plate 9 is inserted into the limiting groove 2021. The other end of the limiting plate 9 is fixedly installed with a pull plate 10.

[0027] In this embodiment, a limit plate 9 is clamped in the limit groove 2021 by arranging a limit assembly inside the groove 102, with the cooperation of the limit assembly fixing rod 6, reset spring 7, movable plate 8, limit plate 9, and pull plate 10, to achieve the limitation of the insertion rod 202, thereby achieving the limitation and fixation of the box cover 2, and under the action of the reset spring 7, the limit plate 9 can be quickly reset. When there is no external force pulling the limit plate 9, under the action of the elastic force of the reset spring 7, the limit plate 9 can always be clamped in the limit groove 2021, thereby increasing the stability of the connection between the box body 1 and the box cover 2, and also increasing the convenience of removing the box cover 2.

[0028] The working principle and use process of the utility model are as follows: when in use, first place the lithium battery module gently in the battery slot 4 opened inside the box body 1. When placing, the two sides of the lithium battery can be squeezed by the cooperation of the extrusion plate 5 and the spring 11, so that the lithium battery can be stably installed in the battery slot 4. After the installation is completed, close the box cover 2 and insert the insertion rod 202 into the inside of the slot 101. This is done by pulling the limit plate 9 outward by the pull plate 10. In the process of pulling the limit plate 9, the reset spring 7 contracts. At this time, when the insertion rod 202 is fully inserted into the inside of the slot 101, release the pull plate 10. Under the action of the elastic force of the reset spring 7, one end of the limit plate 9 is inserted into the limit slot 2021 opened by the insertion rod 202 to achieve limit fixation. When the box cover 2 needs to be removed, only the pull plate 10 needs to be pulled. The whole process is convenient and fast, and the stability is good.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A structural box for a lithium battery, comprising a box body (1) and a box cover (2), characterized in that: The box cover (2) is arranged directly above the box body (1); a plurality of equally spaced partitions (3) are fixedly installed inside the box body (1); the interior of the box body (1) is divided into a plurality of battery slots (4) by the partitions (3); a squeezing mechanism is arranged inside each of the battery slots (4); four corners of the box body (1) and the box cover (2) are provided with integrally formed protrusions; a slot (101) is provided inside the upper end of the protrusion provided on the box body (1); four insertion rods (202) are fixedly installed on the lower surface of the protrusion provided on the box cover (2); a groove (102) is provided on the side surface of the protrusion provided on the box body (1); the slot (101) and the groove (102) are connected; a limiting component is provided inside the groove (102); and a limiting groove (2021) is provided on the side surface of the insertion rod (202).

2. The structural box of a lithium battery according to claim 1, characterized in that: The insertion rod (202) is movably inserted into the interior of the slot (101), and the positions of the insertion rod (202) and the slot (101) correspond and are adapted.

3. The structural box of a lithium battery according to claim 1, characterized in that: A sealing strip (201) is arranged around the lower surface of the box cover (2), and the sealing strip (201) and the box cover (2) are integrally formed, and the inner surface of the sealing strip (201) is in contact with the outer surface of the box body (1).

4. The structural box of a lithium battery according to claim 1, characterized in that: The squeezing mechanism comprises a squeezing plate (5) and a spring (11); the squeezing plate (5) is arranged on both sides of the interior of the battery slot (4); the spring (11) is arranged between the squeezing plate (5) and the inner wall of the battery slot (4); one end of the spring (11) is fixedly connected to the squeezing plate (5); and the other end of the spring (11) is fixedly connected to the inner wall of the battery slot (4).

5. The structural box of a lithium battery according to claim 4, characterized in that: The outer surface of the extrusion plate (5) is provided with a plurality of anti-slip strips (501) distributed at equal intervals, and the anti-slip strips (501) and the extrusion plate (5) are integrally formed, and the extrusion plate (5) is a hard rubber component.

6. The structural box of a lithium battery according to claim 1, characterized in that: The limiting assembly comprises a fixed rod (6), a reset spring (7), a movable plate (8), a limiting plate (9), and a pulling plate (10); the fixed rod (6) is fixedly mounted inside the groove (102); movable holes (801) are provided inside the two sides of the movable plate (8); the movable plate (8) is movably sleeved on the fixed rod (6) through the movable holes (801); the reset spring (7) is sleeved on the outer side of the fixed rod (6); the two ends of the reset spring (7) are respectively fixedly connected to the inner wall of the groove (102) and the movable plate (8); a movable groove (802) is provided in the middle position inside the movable plate (8), and the movable groove (802) is located between the two movable holes (801); the limiting plate (9) is slidably inserted into the movable groove (802), and one end of the limiting plate (9) is inserted into the limiting groove (2021); and the pulling plate (10) is fixedly mounted on the other end of the limiting plate (9).

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