Power supply battery pack convenient to detect and maintain

Abstract

The utility model belongs to the technical field of power supply battery packs, and particularly relates to a power supply battery pack convenient to detect and maintain, which comprises a battery pack shell, a top cover and battery monomers, the top of the battery pack shell is hinged with the top cover, a movable support is arranged in the battery pack shell, and the battery monomers are arranged in the battery pack shell and on the upper surface of the movable support. The inner wall of the battery pack shell is provided with a hinge, the side surface of the hinge is connected with a side plate, the side surface of the side plate is connected with a first guide rail, and the bottom side surface of the inner wall of the battery pack shell is connected with a second guide rail. When the fixing bolt moves to the outside of the threaded hole, the side plate can be pulled to rotate, the movable support can be pulled after the side plate rotates by 90 degrees, and the movable support can slide on the surfaces of the second guide rail and the first guide rail through the guide sliding sleeve under tension, so that the movable support can be pulled out. Therefore, the battery monomers on the surface of the movable bracket can be conveniently overhauled.

Description

Technical Field

[0001] The utility model belongs to the technical field of power supply battery packs, and particularly relates to a power supply battery pack convenient for detection and maintenance. Background Art

[0002] A power supply battery pack refers to a power supply system in which a group of batteries are combined in series or parallel to provide the required voltage and current. They are widely used in various fields, including but not limited to power tools, electric vehicles, solar energy storage systems, energy storage systems, mobile devices, medical devices, drones, etc. The battery packs for rail transit are important devices to ensure the normal operation of trains and respond to emergencies. The selection and use of them need to comprehensively consider various factors such as performance, cost, and environmental protection. With the continuous progress of technology and the improvement of environmental protection requirements, the technology of rail transit battery packs will also continue to develop and improve.

[0003] For a power supply battery pack convenient for detection and maintenance, when applied to the rail transit scenario, first, the power supply battery monomers are installed inside the housing to provide power for the train or be used as an emergency power supply. However, although the fixed installation method of the existing power supply battery pack is convenient for unified management, it also faces a challenge that cannot be ignored: it is difficult to repair the battery monomers on the bottom side of the double-layer installed power supply battery pack.

[0004] Specifically, when the double-layer installed power supply battery pack needs to be repaired, in order to ensure the accuracy of the repair, each battery monomer needs to be repaired. When repairing the upper-layer battery monomers, the top cover can be directly opened and then the repair can be carried out directly. However, when repairing the lower-layer battery monomers, the upper-layer battery monomers need to be removed, which makes the repair extremely inconvenient and the repair efficiency is low. Content of the Utility Model

[0005] The purpose of the utility model is to provide a power supply battery pack convenient for detection and maintenance, aiming to solve the problem that when the double-layer installed power supply battery pack needs to be repaired, in order to ensure the accuracy of the repair, each battery monomer needs to be repaired. When repairing the upper-layer battery monomers, the top cover can be directly opened and then the repair can be carried out directly. However, when repairing the lower-layer battery monomers, the upper-layer battery monomers need to be removed, which makes the repair extremely inconvenient and the repair efficiency is low.

[0006] To achieve the above object, the present utility model provides the following technical solutions: a power supply battery pack facilitating detection and maintenance, including a battery pack housing, a top cover, and battery cells. The top of the battery pack housing is hinged with a top cover. An activity bracket is arranged inside the battery pack housing. Battery cells are installed on the inner part of the battery pack housing and the upper surface of the activity bracket. Hinges are installed on the inner wall of the battery pack housing. The side surface of the hinge is connected with a side plate. The side surface of the side plate is connected with a first guide rail. The bottom side surface of the inner wall of the battery pack housing is connected with a second guide rail. The bottom side of the activity bracket near the second guide rail is connected with a guide sliding sleeve, and a roller is installed on the inner wall of the guide sliding sleeve.

[0007] The side surface of the side plate is connected with a baffle. Threaded holes are formed on the surface of the baffle. A fixing bolt penetrates through the inside of the battery pack housing and into the inside of the threaded hole. The side surface of the side plate is connected with an arc plate. A limiting groove is formed on the surface of the arc plate. A limiting column penetrates through the inside of the limiting groove and is connected to the inner wall of the battery pack housing. A guide rod is connected to the side surface of the activity bracket. A guide sleeve is sleeved on the surface of the guide rod. An extrusion plate is connected to the end of the guide sleeve. A spring strip is connected between the extrusion plate and the activity bracket.

[0008] To facilitate opening the side plate from the side of the battery pack housing for overhauling the battery cells at the bottom, as a preferred embodiment of the power supply battery pack facilitating detection and maintenance of the present utility model, two groups of hinges are symmetrically arranged on the inner side of the battery pack housing, and the side plate forms a rotating structure with the battery pack housing through the hinges.

[0009] To facilitate pulling out the activity bracket from the inside of the battery pack housing, as a preferred embodiment of the power supply battery pack facilitating detection and maintenance of the present utility model, two groups of the guide sliding sleeve, the second guide rail, and the first guide rail are symmetrically arranged on the inner side of the battery pack housing. A sliding connection is formed between the guide sliding sleeve and the second guide rail, and a sliding connection is formed between the guide sliding sleeve and the first guide rail.

[0010] To limit the rotation direction of the side plate, as a preferred embodiment of the power supply battery pack facilitating detection and maintenance of the present utility model, two groups of the arc plate, the limiting groove, and the limiting column are symmetrically arranged on the inner side of the battery pack housing. A sliding connection is formed between the arc plate and the limiting column through the limiting groove.

[0011] To facilitate squeezing the activity bracket through the extrusion plate and the spring strip, as a preferred embodiment of the power supply battery pack facilitating detection and maintenance of the present utility model, a sliding connection is formed between the extrusion plate and the guide rod through the guide sleeve, and an elastic telescopic structure is formed between the extrusion plate and the spring strip.

[0012] In order to fix the position of the side plate through the fixing bolt and the threaded hole, as an optimization of the power supply battery pack that is convenient for detection and maintenance in the present utility model, the connection between the fixing bolt and the threaded hole is a threaded connection.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Firstly, the fixing bolt can be rotated. While the fixing bolt rotates inside the threaded hole, it can move outward. When the fixing bolt moves to the outside of the threaded hole, it can pull the side plate. The side plate can rotate along the central axis of the hinge under the pulling force. When the side plate rotates, it can drive the limiting groove to rotate on the surface of the limiting column through the arc-shaped plate. In this way, the side plate can be opened. After the side plate rotates 90°, the movable bracket can be pulled. The movable bracket can drive the guiding sliding sleeve to slide on the surface of the second guide rail under the pulling force. The sliding can be facilitated through the rollers inside the guiding sliding sleeve. After the guiding sliding sleeve moves to the end of the second guide rail, it can continue to slide on the surface of the first guide rail. In this way, the movable bracket can be pulled out from the inside of the battery pack housing, so that it is convenient to repair the battery monomers on the surface of the movable bracket. Description of the Drawings

[0015] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall assembly structure of the present utility model.

[0017] Figure 2 It is a sectional view of the internal structure of the battery pack of the present utility model.

[0018] Figure 3 It is a sectional view of the connection structure between the battery pack housing and the side plate of the present utility model.

[0019] Figure 4 It is a sectional view of the fixing structure between the battery pack housing and the side plate of the present utility model.

[0020] Figure 5 It is a schematic diagram of the installation structure of the movable bracket of the present utility model.

[0021] Figure 6 It is a schematic diagram of the structure of the guiding sliding sleeve of the present utility model.

[0022] Figure 7 It is a sectional view of the connection structure of the extrusion plate of the present utility model.

[0023] Figure 8 It is a schematic diagram of the structure after the side plate of the present utility model is opened.

[0024] Figure 9 Schematic diagram of the lower battery cell maintenance structure of the present utility model.

[0025] In the figure: 1. Battery pack housing; 2. Top cover; 3. Battery cell; 4. Movable bracket; 5. Hinge; 6. Side plate; 7. First guide rail; 8. Second guide rail; 9. Guide sliding sleeve; 10. Roller; 11. Baffle; 12. Threaded hole; 13. Fixed bolt; 14. Arc plate; 15. Limit groove; 16. Limit column; 17. Guide rod; 18. Guide sleeve; 19. Extrusion plate; 20. Spring strip. Specific implementation mode

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-9 , the present utility model provides the following technical solutions: a power supply battery pack convenient for detection and maintenance, including a battery pack housing 1, a top cover 2 and a battery cell 3. The top of the battery pack housing 1 is hinged with a top cover 2. An inner part of the battery pack housing 1 is provided with a movable bracket 4. A battery cell 3 is installed on the upper surface of the inner part of the battery pack housing 1 and on the movable bracket 4. A hinge 5 is installed on the inner wall of the battery pack housing 1. A side plate 6 is connected to the side surface of the hinge 5. A first guide rail 7 is connected to the side surface of the side plate 6. A second guide rail 8 is connected to the bottom side surface of the inner wall of the battery pack housing 1. A guide sliding sleeve 9 is connected to the bottom side of the movable bracket 4 close to the second guide rail 8. A roller 10 is installed on the inner wall of the guide sliding sleeve 9;

[0028] A baffle 11 is connected to the side surface of the side plate 6. A threaded hole 12 is opened on the surface of the baffle 11. A fixed bolt 13 penetrates through the inside of the battery pack housing 1. The inside of the fixed bolt 13 penetrates through the inside of the threaded hole 12. An arc plate 14 is connected to the side surface of the side plate 6. A limit groove 15 is opened on the surface of the arc plate 14. A limit column 16 penetrates through the inside of the limit groove 15. The limit column 16 is connected to the inner wall of the battery pack housing 1. A guide rod 17 is connected to the side surface of the movable bracket 4. A guide sleeve 18 is sleeved on the surface of the guide rod 17. An extrusion plate 19 is connected to the end of the guide sleeve 18. A spring strip 20 is connected between the extrusion plate 19 and the movable bracket 4.

[0029] Preferably, the fixing bolt 13 is threadedly connected to the threaded hole 12. Two sets of hinges 5 are symmetrically arranged inside the battery pack housing 1. The side plate 6 and the battery pack housing 1 form a rotating structure through the hinges 5. Two sets of arc-shaped plates 14, limiting grooves 15 and limiting columns 16 are symmetrically arranged inside the battery pack housing 1. The arc-shaped plate 14 and the limiting column 16 form a sliding connection through the limiting groove 15.

[0030] During specific use, first, the fixing bolt 13 can be rotated. While the fixing bolt 13 rotates inside the threaded hole 12, it can move outward. When the fixing bolt 13 moves to the outside of the threaded hole 12, the side plate 6 can be pulled. The side plate 6 can rotate along the central axis of the hinge 5 under the pulling force. When the side plate 6 rotates, it can drive the limiting groove 15 to rotate on the surface of the limiting column 16 through the arc-shaped plate 14, so that the side plate 6 can be opened.

[0031] Preferably, two sets of guiding sliding sleeves 9, second guide rails 8 and first guide rails 7 are symmetrically arranged inside the battery pack housing 1. The guiding sliding sleeve 9 and the second guide rail 8 form a sliding connection, and the guiding sliding sleeve 9 and the first guide rail 7 form a sliding connection.

[0032] During specific use, after the side plate 6 rotates 90°, the movable bracket 4 can be pulled. The movable bracket 4 can drive the guiding sliding sleeve 9 to slide on the surface of the second guide rail 8 under the pulling force. The roller 10 inside the guiding sliding sleeve 9 can facilitate the sliding. After the guiding sliding sleeve 9 moves to the end of the second guide rail 8, it can continue to slide on the surface of the first guide rail 7, so that the movable bracket 4 can be pulled out from the inside of the battery pack housing 1, thereby facilitating the maintenance of the battery cells 3 on the surface of the movable bracket 4.

[0033] Preferably, the pressing plate 19 and the guiding rod 17 form a sliding connection through the guiding sleeve 18, and the pressing plate 19 and the spring strip 20 form an elastic telescopic structure.

[0034] During specific use, after the maintenance is completed, the movable bracket 4 can be first pushed into the inside of the battery pack housing 1. Then, the side plate 6 can be pulled to rotate upward. When the side plate 6 rotates upward until its inner wall is close to the pressing plate 19 and continues to rotate, it can press the pressing plate 19. The pressing plate 19 drives the guiding sleeve 18 to slide on the surface of the guiding rod 17 under the extrusion, and at the same time, the pressing plate 19 presses the movable bracket 4 through the spring strip 20 when it moves under the extrusion. When the side plate 6 rotates 90°, the fixing bolt 13 can be rotated in the reverse direction. When the fixing bolt 13 rotates in the reverse direction, it can move downward inside the threaded hole 12, so that the position of the side plate 6 can be fixed through the threaded connection between the fixing bolt 13 and the threaded hole 12. At this time, the movable bracket 4 can be pressed tightly by the pressing plate 19 and the spring strip 20.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A power supply battery pack facilitating detection and maintenance, comprising a battery pack housing (1), a top cover (2) and battery cells (3), characterized in that: The top of the battery pack housing (1) is hinged with a top cover (2). An active bracket (4) is arranged inside the battery pack housing (1). Battery cells (3) are installed on the upper surface of the battery pack housing (1) and the active bracket (4). A hinge (5) is installed on the inner wall of the battery pack housing (1). A side plate (6) is connected to the side surface of the hinge (5). A first guide rail (7) is connected to the side surface of the side plate (6). A second guide rail (8) is connected to the bottom side surface of the inner wall of the battery pack housing (1). A guide sliding sleeve (9) is connected to the bottom side of the active bracket (4) close to the second guide rail (8). A roller (10) is installed on the inner wall of the guide sliding sleeve (9). A baffle (11) is connected to the side surface of the side plate (6). A threaded hole (12) is formed on the surface of the baffle (11). A fixing bolt (13) penetrates through the inside of the battery pack housing (1). The inside of the fixing bolt (13) penetrates through the inside of the threaded hole (12). An arc-shaped plate (14) is connected to the side surface of the side plate (6). A limiting groove (15) is formed on the surface of the arc-shaped plate (14). A limiting column (16) penetrates through the inside of the limiting groove (15). The limiting column (16) is connected to the inner wall of the battery pack housing (1). A guide rod (17) is connected to the side surface of the active bracket (4). A guide sleeve (18) is sleeved on the surface of the guide rod (17). An extrusion plate (19) is connected to the end of the guide sleeve (18). A spring strip (20) is connected between the extrusion plate (19) and the active bracket (4).

2. The power supply battery pack convenient for detection and maintenance according to claim 1, characterized in that: Two groups of the hinges (5) are symmetrically arranged on the inner side of the battery pack housing (1). The side plate (6) and the battery pack housing (1) form a rotating structure through the hinge (5).

3. The power supply battery pack convenient for detection and maintenance according to claim 1, wherein: Two groups of the guide sliding sleeves (9), the second guide rails (8) and the first guide rails (7) are symmetrically arranged on the inner side of the battery pack housing (1). A sliding connection is formed between the guide sliding sleeve (9) and the second guide rail (8). A sliding connection is formed between the guide sliding sleeve (9) and the first guide rail (7).

4. The power supply battery pack convenient for detection and maintenance according to claim 1, wherein: Two groups of the arc-shaped plates (14), the limiting grooves (15) and the limiting columns (16) are symmetrically arranged on the inner side of the battery pack housing (1). A sliding connection is formed between the arc-shaped plate (14) and the limiting column (16) through the limiting groove (15).

5. The power supply battery pack facilitating detection and maintenance according to claim 1, wherein: A sliding connection is formed between the extrusion plate (19) and the guide rod (17) through the guide sleeve (18). An elastic telescopic structure is formed between the extrusion plate (19) and the spring strip (20).

6. The power supply battery pack facilitating detection and maintenance according to claim 5, wherein: A threaded connection is formed between the fixing bolt (13) and the threaded hole (12).

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