Battery module with a rear cover rotation waterproof structure with mobile battery function

Abstract

Provided is a battery module having a rear cover rotation waterproof structure with a mobile battery function. 【Solution means】It includes a main body 1, a battery 2 is provided in the center of the inside of the main body, a front cover 3 is provided at the left end of the main body, a positive copper pillar 4 is inserted in the center of the front cover, and a snap ring 7 for positioning and fixing is engaged with the side wall of the positive copper pillar. A charging connector 8 for engagement and fixation is inserted on the right side of the main body, a charging port 10 is provided at the upper central part of the charging connector, a first PCBA board 9 is fixedly connected to the center of the charging connector, and the first PCBA board is connected to the charging port. Two elastic plugs 16 for forming an electric circuit are provided between the first PCBA board and the battery, and the two elastic plugs are connected to the positive and negative electrodes of the battery.

Description

Technical Field

[0001] The present utility model relates to the technical field of battery modules, and more specifically, to a battery module with a rear cover rotating waterproof structure with a mobile battery function.

Background Art

[0002] Batteries occupy a very important position in our daily lives and supply power to small electronic devices. Conventional lithium batteries are only protected by a plastic film and need to be incorporated into products suitable for charging and use. Due to the lack of many protection structures, the film is easily damaged. Also, charging outdoors is inconvenient and there is no waterproof property. Moreover, due to the characteristics unique to lithium batteries, users are worried about the safety of lithium batteries.

Summary of the Invention

[0003] The object of the present utility model is to provide a battery module with a rear cover rotating waterproof structure with a mobile battery function, and to solve the problems raised in the background art.

[0004] To achieve the above object, the present utility model provides the following technical means: a battery module with a rear cover rotating waterproof structure with a mobile battery function, including a main body. A battery is provided in the central part inside the main body, a front cover is provided at the left end of the main body, a positive copper pillar is inserted in the center of the front cover, and a snap ring for positioning and fixing is engaged with the side wall of the positive copper pillar; A charging connector for engagement and fixation is inserted on the right side of the main body, and a charging port is provided in the central upper part of the charging connector. A first PCBA board is fixedly connected to the center of the charging connector, and the first PCBA board is connected to the charging port. Two elastic plugs for forming an electrical circuit are provided between the first PCBA board and the battery, and the two elastic plugs are connected to the positive and negative electrodes of the battery; A charging cover is provided on the right side of the charging connector, and a third O-ring is provided between the outer wall of the right part of the charging cover and the charging connector to enhance the sealing performance and fixing strength. A terminal cover negative electrode conductor is inserted inside the right side of the charging cover, a second PCBA board is fixedly connected to the center of the terminal cover negative electrode conductor, and the second PCBA board is connected to the first PCBA board.

[0005] As an excellent technical solution, the main body is made of aluminum alloy, the outer wall of the left end of the main body has a stepped structure, and a second O-ring (6) is provided at the connection part between the front cover and the main body.

[0006] As an excellent technical solution, the positive copper pillar has a columnar structure with a larger diameter on the left side and a smaller diameter on the right side. A recess is formed by pressing in the center of the front cover, the positive copper pillar is inserted into the recess, and a first O-ring is provided at the connection part between the positive copper pillar and the front cover.

[0007] As an excellent technical solution, an annular slot is provided on the side wall of the positive copper pillar, the snap ring is fixedly connected to the recess in the center of the front cover, and the snap ring is engaged in the annular slot.

[0008] As an excellent technical solution, both sides of the outer wall of the charging connector have a stepped structure, a fourth O-ring is provided at the two stepped structures, a spiral screw is provided at the stepped structure on the right side, and the charging cover is screwed to the stepped structure on the right side.

[0009] As an excellent technical solution, the inner wall of the right end of the main body has a stepped structure, the left end of the charging connector is engaged with the inner wall of the main body, and the right side of the battery is inserted into the inside of the charging connector.

[0010] As an excellent technical solution, a buffer gap is provided between the first PCBA substrate and the battery, a washer is provided in the buffer gap, and both ends of the elastic plug penetrate through the washer.

[0011] Compared with the existing technology, the beneficial effects of this utility model are as follows: The protection of the battery is strengthened by the main body with an aluminum alloy outer shell, the sealing performance of the battery is ensured to improve the waterproof performance, and by adding an output function, it can be used as an independent mobile battery. This not only enhances the safety of the battery but also realizes the function of using the battery independently. When the battery's power storage capacity decreases due to long-term repeated use, the battery can be replaced.

Brief Description of the Drawings

[0012] To more clearly explain the technical solution in the embodiment of this utility model, the drawings necessary for the description of the embodiment are briefly introduced below. Obviously, the drawings in the following description are only some embodiments of this utility model, and those of ordinary skill in the art can obtain other drawings from these drawings on the premise of not performing creative labor.

Figure 1

Figure 2

[0013] The names of the parts pointed to by each number in the drawings are as follows. 1 Main body, 2 Battery, 3 Front cover, 4 Positive copper pillar, 5 First O-ring, 6 Second O-ring, 7 Snap ring, 8 Charging connector, 9 First PCBA substrate, 10 Charging connector, 11 Charging cover, 12 Terminal cover negative conductor, 13 Washer, 14 Second PCBA substrate, 15 Third O-ring, 16 Elastic plug, 17 Fourth O-ring.

Modes for Carrying Out the Invention

[0014] In order to deepen the understanding and recognition of this utility model, while referring to the attached drawings related to the embodiments of this utility model, the technical means in the embodiments of this utility model will be clearly and completely described. However, the described embodiments are only a part of this utility model and do not cover all embodiments. Also, it does not mean any form of limitation to this embodiment. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the protection scope of this utility model.

[0015] Please refer to FIGS. 1-2. This utility model provides a kind of technical means: a battery module with a rear cover rotating waterproof structure with a mobile battery function, including a main body 1. A battery 2 is provided in the central part inside the main body 1. A front cover 3 is provided at the left end of the main body 1. A positive copper pillar 4 is inserted in the center of the front cover 3. A snap ring 7 for positioning and fixing is engaged with the side wall of the positive copper pillar 4. A charging connector 8 for engagement and fixation is inserted on the right side of the main body 1. A charging port 10 is provided at the upper central part of the charging connector 8. A first PCBA board 9 is fixedly connected to the center of the charging connector 8, and the first PCBA board 9 is connected to the charging port 10. Two elastic plugs 16 for forming an electrical circuit are provided between the first PCBA board 9 and the battery 2, and the two elastic plugs 16 are connected to the positive and negative electrodes of the battery 2. A charging cover 11 is provided on the right side of the charging connector 8. A third O-ring 15 for enhancing the sealing performance and fixing strength is provided between the outer side wall of the right part of the charging cover 11 and the charging connector 8. A terminal cover negative electrode conductor 12 is inserted inside the right side of the charging cover 11. A second PCBA board 14 is fixedly connected to the center of the terminal cover negative electrode conductor 12, and the second PCBA board 14 is connected to the first PCBA board 9. Thus, by arranging the battery 2 between the front cover 3, the main body 1 and the charging connector 8, the waterproof performance of the battery 2 can be ensured.

[0016] The main body 1 is made of an aluminum alloy. The outer wall at the left end of the main body 1 has a stepped structure, and a second O-ring 6 is provided at the connection part between the front cover 3 and the main body 1. Thereby, the main body 1 can sufficiently protect the battery 2 and prevent damage during dropping, and the second O-ring 6 can ensure the sealing performance of the connection part between the front cover 3 and the main body 1.

[0017] The positive copper pillar 4 has a columnar structure with a larger diameter on the left side and a smaller diameter on the right side. A recess is formed in the center of the front cover 3 by pressing, and the positive copper pillar 4 is inserted into the recess. A first O-ring 5 is provided at the connection part between the positive copper pillar 4 and the front cover 3, and the positive copper pillar 4 is in contact with the positive electrode of the battery 2. An annular slot is provided on the side wall of the positive copper pillar 4, and the snap ring 7 is fixedly connected to the recess in the center of the front cover 3, and the snap ring 7 is engaged in the annular slot. Thereby, the snap ring 7 can position and fix the positive copper pillar 4.

[0018] Both sides of the outer wall of the charging connector 8 have a stepped structure, and a fourth O-ring 17 is provided at the two stepped structures, and a spiral thread is formed on the stepped structure on the right side. The charging cover 11 is screwed and connected to the stepped structure on the right side. The inner wall at the right end of the main body 1 also has a stepped structure. The left end of the charging connector 8 is engaged with the inner wall of the main body 1, and the right side of the battery 2 is inserted into the charging connector 8. The screwing connection between the charging cover 11 and the charging connector 8 ensures the sealing and waterproof performance. When the charging cover 11 is removed, the charging port 10 can be connected to a USB cable to charge and discharge the battery 2.

[0019] A buffer gap is provided between the first PCBA board 9 and the battery 2, and a washer 13 is arranged in the buffer gap, and both ends of the elastic plug 16 penetrate through the washer 13. When the charging connector 8 and the main body 1 are connected, the connection tightness is ensured, and it also has a certain buffering ability during dropping, which can prevent damage to the battery 2.

[0020] Although the embodiments of this utility model have been illustrated and described, it should be emphasized that the above description is merely an introduction and explanation of the usage methods of the embodiments of this utility model, and not any form of limitation to this utility model. Those of ordinary skill in the art can make various changes, modifications, substitutions, and variations to these embodiments without departing from the principles and spirit of this utility model. The protection scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A battery module having a rear cover rotating waterproof structure with a mobile battery function, comprising a main body (1), a battery (2) is provided in the center of the interior of the main body (1), a front cover (3) is provided at the left end of the main body (1), a positive copper pillar (4) is inserted into the center of the front cover (3), and a snap ring (7) for positioning and fixing is engaged with the side wall of the positive copper pillar (4). A charging connector (8) for engagement and fixation is inserted on the right side of the main body (1), a charging port (10) is provided at the upper central part of the charging connector (8), a first PCBA board (9) is fixedly connected to the center of the charging connector (8), the first PCBA board (9) is connected to the charging port (10), and two elastic plugs (16) for forming a circuit are provided between the first PCBA board (9) and the battery (2), and the two elastic plugs (16) are connected to the positive and negative electrodes of the battery (2). A charging cover (11) is provided on the right side of the charging connector (8), a third O-ring (15) for enhancing the sealing performance and fixing strength is provided between the outer side wall of the right part of the charging cover (11) and the charging connector (8), a terminal cover negative conductor (12) is inserted into the right side interior of the charging cover (11), a second PCBA board (14) is fixedly connected to the center of the terminal cover negative conductor (12), and the second PCBA board (14) is connected to the first PCBA board (9). A battery module having a rear cover rotating waterproof structure with a mobile battery function, characterized in that.

2. The main body (1) is made of an aluminum alloy, the outer side wall of the left end of the main body (1) has a stepped structure, and a second O-ring (6) is provided at the connection part between the front cover (3) and the main body (1). The battery module having a rear cover rotating waterproof structure with a mobile battery function according to Claim 1, characterized in that.

3. The positive copper pillar (4) has a columnar structure with a larger diameter on the left side and a smaller diameter on the right side. A recess is formed in the center of the front cover (3) by pressing. The positive copper pillar (4) is inserted into the recess. A first O-ring (5) is provided at the connection part between the positive copper pillar (4) and the front cover (3). The battery module with a rear cover rotating waterproof structure with mobile battery function according to claim 1, characterized in that.

4. An annular slot is provided on the side wall of the positive copper pillar (4). The snap ring (7) is fixedly connected to the recess in the center of the front cover (3). The snap ring (7) is engaged in the annular slot. The battery module with a rear cover rotating waterproof structure with mobile battery function according to claim 3, characterized in that.

5. Both sides of the outer wall of the charging connector (8) have a stepped structure. A fourth O-ring (17) is provided at the two stepped structures. A spiral screw is provided at the stepped structure on the right side. The charging cover (11) is screwed to the stepped structure on the right side. The battery module with a rear cover rotating waterproof structure with mobile battery function according to claim 1, characterized in that.

6. The inner wall on the right end of the main body (1) has a stepped structure. The left end of the charging connector (8) is engaged with the inner wall of the main body (1). The right side of the battery (2) is inserted into the inside of the charging connector (8). The battery module with a rear cover rotating waterproof structure with mobile battery function according to claim 1, characterized in that.

7. A buffer gap is provided between the first PCBA board (9) and the battery (2). A washer (13) is provided in the buffer gap. Both ends of the elastic plug (16) penetrate through the washer (13). The battery module with a rear cover rotating waterproof structure with mobile battery function according to claim 1, characterized in that.

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