Rechargeable battery pack

Abstract

The utility model relates to the technical field of batteries, and discloses a rechargeable battery pack, which comprises a battery pack main body, the upper end of the battery pack main body is fixedly connected with a first connector lug, the upper end of the first connector lug is provided with a second connector lug in a clamping manner, the upper end of the second connector lug is fixedly connected with two connecting wires, and the two connecting wires are connected with the battery pack main body. Connecting blocks are fixedly connected to the two sides of the lower end of the second connector lug, connecting grooves are formed in the two sides of the upper end of the first connector lug, and first movable grooves are formed in the two sides of the interior of the first connector lug. According to the utility model, the first connector lug and the second connector lug are arranged, so that the connection wire and the battery pack main body can be disassembled and assembled, and the first connector lug and the second connector lug can be quickly disassembled and assembled in cooperation with the fixed block, the fixed groove and the return spring, so that when the battery pack main body is disassembled, the battery pack main body can be quickly disassembled and assembled. And the dismounting operation can be quickly and safely completed without additional tools.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a rechargeable battery pack. Background Art

[0002] A rechargeable battery pack refers to a battery system that can be charged and discharged multiple times, usually used to store energy for subsequent use. This type of battery pack can be charged by an external charging device. Once fully charged, it can release the stored energy to power supply devices. After the energy is exhausted, the battery pack can be charged again by an external charging device to fully charge it, thereby achieving multiple cycles.

[0003] Some existing related battery packs usually require the connecting wires on the battery pack to be soldered to the corresponding circuit board when connected for use, which makes it more difficult to disassemble the battery pack. The welding points need to be heat treated to melt the welding points and remove the connecting wires from the circuit board. This process requires professional tools and skills, has certain complexity and risks, and is not convenient enough. Therefore, those skilled in the art provide a rechargeable battery pack to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to solve the shortcomings existing in the prior art, and to propose a rechargeable battery pack, which is provided with a first terminal and a second terminal, thereby realizing the detachable combination of the connecting wires and the battery pack body, and cooperates with the provided fixing block, fixing groove and return spring to realize the rapid disassembly and assembly operation of the first terminal and the second terminal, so that when disassembling the battery pack body, the disassembly operation can be completed quickly and safely without the need for additional tools.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rechargeable battery pack, comprising a battery pack main body, a first terminal head fixedly connected to the upper end of the battery pack main body, a second terminal head snap-fittedly arranged on the upper end of the first terminal head, two connecting wires fixedly connected to the upper end of the second terminal head, connecting blocks fixedly connected to both sides of the lower end of the second terminal head, connecting grooves are provided on both sides of the upper end of the first terminal head, first movable grooves are provided on both sides of the interior of the first terminal head, pressing rods are movably arranged inside the two first movable grooves, second movable grooves are provided on the inner walls of the two first movable grooves on the opposite sides, movable plates are fixedly connected to the opposite ends of the two pressing rods, a plurality of return springs are fixedly connected between the two movable plates and the opposite sides of the corresponding second movable grooves, connecting plates are fixedly connected to the upper parts of the outer walls of the two pressing rods, fixed blocks are fixedly connected to the opposite sides of the two connecting plates, and fixing grooves are provided on the opposite sides of the two connecting blocks;

[0006] The outer wall of the battery pack body is provided with a tear-resistant layer, the outer wall of the tear-resistant layer is provided with an anti-vibration layer, the outer wall of the anti-vibration layer is provided with a fireproof layer, and the outer wall of the fireproof layer is provided with an anti-scratch layer;

[0007] Through the above technical scheme, by providing a first terminal head and a second terminal head, the detachable combination of the connecting wires and the battery pack body can be realized, and by cooperating with the fixed block, the fixed groove and the return spring, the first terminal head and the second terminal head can be quickly disassembled and assembled, so that when disassembling the battery pack body, the disassembly operation can be completed quickly and safely without the need for additional tools. By providing a tear-resistant layer and a fire-proof layer, the safety of the battery pack body can be improved. By providing an anti-scratch layer, the outer shell of the battery pack body can be effectively protected from scratches and wear. By providing an anti-vibration layer, the battery pack body can be helped to better resist vibration and impact.

[0008] Furthermore, the two connecting blocks are both engaged in the corresponding connecting grooves, and the two fixing blocks are both engaged in the corresponding fixing grooves;

[0009] Through the above technical solution, the first terminal and the second terminal are fixedly connected together by engaging the two connection blocks in the corresponding connection grooves and engaging the two fixing blocks in the corresponding fixing grooves.

[0010] Furthermore, the two movable plates and the two connecting plates are movably arranged in the corresponding second movable grooves;

[0011] Through the above technical solution, by movably arranging the two movable plates and the two connecting plates in the corresponding second movable grooves, the fixed block can be controlled to move, so as to achieve the fixing and unlocking operations of the second terminal.

[0012] Furthermore, the tear-resistant layer is made of polypropylene material;

[0013] Through the above technical solution, the tear-resistant layer is made of polypropylene material, which has strong tear resistance, can reduce the damage of the battery pack body caused by stretching or tearing, and reduce the danger.

[0014] Furthermore, the shock-resistant layer is made of polyethylene foam material;

[0015] Through the above technical solution, the shock-resistant layer is made of polyethylene foam material, which can help the battery pack body better resist vibration and impact, thereby improving its durability and reliability.

[0016] Furthermore, the fireproof layer is made of ceramic fiber material;

[0017] Through the above technical solution, by using ceramic fiber material to make the fireproof layer, the spread of flames can be effectively suppressed and the fire can be prevented from spreading.

[0018] Furthermore, the anti-scratch layer is made of polyurethane material;

[0019] Through the above technical scheme, the anti-scratch layer is made of polyurethane material, which has good wear resistance and elasticity, and can effectively protect the battery pack main body shell from scratches and wear, extend the service life of the battery pack main body and protect the safety of internal components.

[0020] Furthermore, the two pressing rods both penetrate the first terminal to the outside;

[0021] Through the above technical solution, the two pressing rods are passed through the first connecting head to the outside, thereby making it convenient for operators to press the pressing rods.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model provides a rechargeable battery pack. When the battery pack body needs to be disassembled during use, the connecting plate can be moved by pressing the pressing rod, so that the fixing block can be disengaged from the fixing groove, and the second terminal connected to the connecting wire can be removed from the first terminal. Therefore, the battery pack body can be directly removed without the need for additional tools, which is convenient, fast and safe. When it is necessary to install and use the battery pack, the pressing rod only needs to be pressed again to adjust the position of the fixing block so that the connecting block can be smoothly inserted into the connecting groove. At this time, the pressing rod can be released and the fixing block can be inserted into the fixing groove through the provided return spring, so that the fixing connection of the connecting wire can be completed. The assembly and disassembly is convenient and the operation is safe.

[0024] 2. The utility model proposes a rechargeable battery pack, which has an anti-scratch layer made of polyurethane material on the battery pack body, which has good wear resistance and elasticity, can effectively protect the outer shell of the battery pack body from scratches and abrasion, extend the service life of the battery pack body and protect the safety of internal components, and has an anti-vibration layer made of polyethylene foam material, which can help the battery pack body better resist vibration and impact, and improve its durability and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an axonometric schematic diagram of a rechargeable battery pack proposed by the utility model;

[0026] Figure 2 A schematic front view of a rechargeable battery pack proposed by the present invention;

[0027] Figure 3A partial front cross-sectional schematic diagram of a rechargeable battery pack proposed by the utility model;

[0028] Figure 4 for Figure 3 A schematic diagram of the structure enlargement at the center A;

[0029] Figure 5 This is a schematic diagram of the internal structure of a rechargeable battery pack proposed by the utility model.

[0030] Legend:

[0031] 1. Battery pack body; 2. First terminal; 3. Second terminal; 4. Connecting wire; 5. Connecting block; 6. Connecting slot; 7. First movable slot; 8. Pressing rod; 9. Second movable slot; 10. Movable plate; 11. Rebound spring; 12. Connecting plate; 13. Fixed block; 14. Fixed slot; 15. Tear-resistant layer; 16. Shock-resistant layer; 17. Fireproof layer; 18. Scratch-resistant layer. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-5, a specific implementation manner provided by the utility model: a rechargeable battery pack comprises a battery pack body 1, a first terminal 2 is fixedly connected to the upper end of the battery pack body 1, a second terminal 3 is clamped and arranged on the upper end of the first terminal 2, two connecting wires 4 are fixedly connected to the upper end of the second terminal 3, and connecting blocks 5 are fixedly connected to both sides of the lower end of the second terminal 3, connecting grooves 6 are opened on both sides of the upper end of the first terminal 2, first movable grooves 7 are opened on both sides of the interior of the first terminal 2, and pressing rods 8 are movably arranged inside the two first movable grooves 7, and the two pressing rods 8 pass through the first terminal 2 to the outside, and the two pressing rods 8 pass through the first terminal 2 to the outside, so as to facilitate the operator to press the pressing rod 8, the inner wall of the opposite side of the two first movable grooves 7 is opened with a second movable groove 9, and the opposite end of the two pressing rods 8 is fixedly connected with a movable plate 10, and the two movable plates 10 and the corresponding second movable plates 10 are connected. A plurality of return springs 11 are fixedly connected between opposite sides of the groove 9, a connecting plate 12 is fixedly connected to the upper part of the outer wall of the two pressing rods 8, a fixing block 13 is fixedly connected to the opposite side of the two connecting plates 12, a fixing groove 14 is provided on the opposite side of the two connecting blocks 5, the two connecting blocks 5 are snap-fitted in the corresponding connecting grooves 6, the two fixing blocks 13 are snap-fitted in the corresponding fixing grooves 14, by snap-fitting the two connecting blocks 5 in the corresponding connecting grooves 6, and snap-fitting the two fixing blocks 13 in the corresponding fixing grooves 14, the first terminal 2 and the second terminal 3 are fixedly connected together, the two movable plates 10 and the two connecting plates 12 are movably arranged in the corresponding second movable grooves 9, by snap-fitting the two movable plates 10 and the two connecting plates 12 in the corresponding second movable grooves 9, the fixing block 13 can be controlled to move, so as to realize the fixing and unlocking operations of the second terminal 3;

[0034] The outer wall of the battery pack main body 1 is provided with a tear-resistant layer 15, which is made of polypropylene material. By using polypropylene material to make the tear-resistant layer 15, it has strong tear resistance, which can reduce the damage of the battery pack main body 1 caused by stretching or tearing, and reduce the danger. The outer wall of the tear-resistant layer 15 is provided with a shock-resistant layer 16, which is made of polyethylene foam material. By using polyethylene foam material to make the shock-resistant layer 16, it can help the battery pack main body 1 better resist vibration and impact, and improve its durability and reliability. The outer wall of the shock-resistant layer 16 is provided with a fireproof layer 17, which is made of ceramic fiber material. By using ceramic fiber material to make the fireproof layer 17, it can effectively suppress the spread of flames and prevent the spread of fire. The outer wall of the fireproof layer 17 is provided with an anti-scratch layer 18, which is made of polyurethane material. By using polyurethane material to make the anti-scratch layer 18, it has good wear resistance and elasticity, can effectively protect the outer shell of the battery pack main body 1 from scratches and wear, extend the service life of the battery pack main body 1 and protect the safety of internal components.

[0035] Working principle: When in use, if the battery pack body 1 needs to be disassembled, the connecting plate 12 can be moved by pressing the pressing rod 8, so that the fixing block 13 can be disengaged from the fixing groove 14, and the second terminal 3 connected to the connecting wire 4 can be removed from the first terminal 2, so that the battery pack body 1 can be directly removed without the need for additional tools, which is convenient, fast and non-hazardous. When it is necessary to install and use it, it is only necessary to press the pressing rod 8 again to adjust the position of the fixing block 13 so that the connecting block 5 can be smoothly inserted into the connecting groove 6. At this time, by releasing the pressing rod 8 and The return spring 11 can make the fixing block 13 fit into the fixing groove 14, so as to complete the fixing connection of the connecting wire 4. At the same time, the battery pack body 1 is provided with an anti-scratch layer 18 made of polyurethane material, which has good wear resistance and elasticity, and can effectively protect the outer shell of the battery pack body 1 from scratches and abrasion, extend the service life of the battery pack body 1 and protect the safety of internal components. The anti-vibration layer 16 made of polyethylene foam material can help the battery pack body 1 better resist vibration and impact, and improve its durability and reliability.

[0036] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions recorded in the aforementioned specific implementation methods, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rechargeable battery pack, comprising a battery pack body (1), characterized in that: The upper end of the battery pack body (1) is fixedly connected to a first terminal head (2), the upper end of the first terminal head (2) is snap-fitted with a second terminal head (3), the upper end of the second terminal head (3) is fixedly connected to two connecting wires (4), both sides of the lower end of the second terminal head (3) are fixedly connected to connecting blocks (5), both sides of the upper end of the first terminal head (2) are provided with connecting grooves (6), both sides of the interior of the first terminal head (2) are provided with first movable grooves (7), and both of the first movable grooves (7) are movably provided with pressing rods (8), and the two A second movable groove (9) is provided on the inner wall of the opposite side of each of the first movable grooves (7); a movable plate (10) is fixedly connected to the opposite end of each of the two pressing rods (8); a plurality of return springs (11) are fixedly connected between the two movable plates (10) and the opposite side of the corresponding second movable groove (9); a connecting plate (12) is fixedly connected to the upper part of the outer wall of each of the two pressing rods (8); a fixing block (13) is fixedly connected to the opposite side of each of the two connecting plates (12); and a fixing groove (14) is provided on the opposite side of each of the two connecting blocks (5); The outer wall of the battery pack body (1) is provided with a tear-resistant layer (15), the outer wall of the tear-resistant layer (15) is provided with a shock-resistant layer (16), the outer wall of the shock-resistant layer (16) is provided with a fireproof layer (17), and the outer wall of the fireproof layer (17) is provided with an anti-scratch layer (18).

2. A rechargeable battery pack according to claim 1, characterized in that: The two connection blocks (5) are both snap-fitted in the corresponding connection grooves (6), and the two fixing blocks (13) are both snap-fitted in the corresponding fixing grooves (14).

3. A rechargeable battery pack according to claim 1, characterized in that: The two movable plates (10) and the two connecting plates (12) are all movably arranged in the corresponding second movable grooves (9).

4. A rechargeable battery pack according to claim 1, characterized in that: The tear-resistant layer (15) is made of polypropylene material.

5. A rechargeable battery pack according to claim 1, characterized in that: The shock-resistant layer (16) is made of polyethylene foam material.

6. A rechargeable battery pack according to claim 1, characterized in that: The fireproof layer (17) is made of ceramic fiber material.

7. A rechargeable battery pack according to claim 1, characterized in that: The anti-scratch layer (18) is made of polyurethane material.

8. A rechargeable battery pack according to claim 1, characterized in that: The two pressing rods (8) both penetrate the first terminal (2) to the outside.

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