Battery cylinder

Abstract

The battery cylinder comprises a metal cylinder body, one end of the metal cylinder body is open, the other end of the metal cylinder body is provided with a metal sealing plate, and the center of the metal sealing plate is provided with a through hole A; a through hole B is formed in the PCB, a copper cladding face A is arranged on the front face of the PCB, a copper cladding face B is arranged on the back face of the PCB, the copper cladding face A forms a bonding pad A on the front face of the PCB, the copper cladding face B forms a bonding pad B on the front face of the PCB, the PCB penetrates through the through hole A and the through hole B through metal rivets, and the PCB is fixedly arranged on the outer side face of the sealing plate in a riveted mode. And an insulating spacer is arranged between the metal rivet and the inner wall of the metal sealing plate. According to the battery cylinder provided by the utility model, the bonding pad A and the bonding pad B at different positions are formed on the PCB through the copper cladding surface A and the copper cladding surface B which are arranged on the PCB, so that the positive electrode and the negative electrode of the battery are positioned at the same end of the battery cylinder, and the requirements of portable equipment are met.

Description

Technical Field

[0001] This utility model relates to the field of battery device manufacturing, specifically to a battery sleeve. Background Technology

[0002] A battery case is a cylindrical container, usually made of metal or plastic, used to hold and protect batteries. It not only provides physical support for the batteries but also protects them to some extent from external impacts and damage.

[0003] Especially for portable devices, which often require easy battery replacement, the battery pack should be as small as possible and have a wide range of placement options within the device.

[0004] Currently, battery packs typically use two metal spacers with an insulating spacer sandwiched between them to place the positive and negative terminals on the same side, and then connect the positive and negative leads. This increases the installation thickness and manufacturing difficulty. In order to fix the position of the metal spacers, other structures are often required, resulting in a more complex structure. This also makes the battery pack much larger than the battery, which limits the layout of the equipment. Utility Model Content

[0005] This utility model provides a battery tube, which forms pads A and B at different positions on the PCB board through copper-clad surfaces A and B, so that the positive and negative terminals of the battery are located at the same end of the battery tube, thereby meeting the needs of portable devices. Furthermore, the PCB board is directly connected to the battery tube by rivets, which allows the PCB board to directly contact the metal sealing plate, resulting in better conductivity.

[0006] This utility model is achieved through the following technical solution:

[0007] Compared with the prior art, this utility model has the following advantages:

[0008] A battery case, comprising,

[0009] A metal cylinder, one end of which is open and the other end is fitted with a metal sealing plate, and a through hole A is provided at the center of the metal sealing plate;

[0010] A PCB board is provided with a through hole B. The front side of the PCB board is provided with a copper cladding A and the back side is provided with a copper cladding B. The copper cladding A forms a pad A on the front side of the PCB board and the copper cladding B forms a pad B on the front side of the PCB board. The PCB board is riveted and fixed to the outer side of the sealing plate by metal rivets passing through the through holes A and B. An insulating gasket is provided between the metal rivets and the inner wall of the metal sealing plate.

[0011] The rear cover is detachably fixed to the open end of the metal cylinder. The rear cover is provided with a metal elastic element for pressing the battery installed in the metal cylinder and electrically connecting it to the metal cylinder.

[0012] Furthermore, the PCB board is provided with vias, and the copper cladding B is connected to the pad B through the vias.

[0013] Furthermore, the insulating gasket includes a flat portion and a raised portion, and a through hole C is provided on the insulating gasket, through which the flat portion and the raised portion pass respectively, and the metal rivet passes through the through hole C.

[0014] Furthermore, the outer diameter of the protrusion is smaller than the diameter of the through hole A, and the length of the protrusion is greater than the thickness of the metal sealing plate.

[0015] Furthermore, the diameter of the flat pad is larger than the diameter of the metal rivet.

[0016] Furthermore, the metal elastic element is a metal spring sheet fixedly connected to the rear cover.

[0017] Furthermore, the rear cover is threadedly connected to the metal cylinder.

[0018] Furthermore, a positioning hole is provided on the outer wall of the open end of the metal cylinder.

[0019] The beneficial effects of this utility model are as follows:

[0020] First, by combining the device's PCB board with the metal cylinder, the positive and negative terminals of the battery pack are located at the same end of the battery pack, giving portable devices more flexibility in setting the battery position. At the same time, by directly riveting and fixing the PCB board to the metal sealing plate, the overall structure of the battery pack can be made smaller, which is more in line with usage requirements.

[0021] 2. By setting the insulating gasket as a flat part and a raised part, the flat part is used to separate the rivet from the inner wall of the metal sealing plate, while the raised part can pass through the through hole A to prevent the metal rivet from contacting the metal sealing plate and causing a short circuit.

[0022] Third, in order to better separate the metal rivets from the metal sealing plate, the length of the protrusion is set to be greater than the thickness of the metal sealing plate. In this way, since the insulating material is relatively easy to deform, the possibility of contact between the metal rivets and the metal sealing plate is further reduced.

[0023] Fourth, by setting positioning holes, the relative angle of the battery pack installed in the equipment can be easily confirmed. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0025] Figure 1 This is a schematic diagram of the exploded structure of this utility model.

[0026] Figure 2 This is a cross-sectional view of the head of the battery pack of this utility model.

[0027] Figure 3 This is a schematic diagram of the front structure of the PCB board.

[0028] Figure 4 This is a schematic diagram of the structure on the back of the PCB board. Detailed Implementation

[0029] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0030] like Figure 1-4 As shown, a battery case includes,

[0031] A metal cylinder 10, one end of which is open and the other end is provided with a metal sealing plate 101, and a through hole A102 is provided at the center of the metal sealing plate 101;

[0032] PCB board 20, the PCB board 20 is provided with through hole B201, the front side of the PCB board 20 is provided with copper cladding A202 and the back side is provided with copper cladding B203, the copper cladding A202 forms pad A2021 on the front side of the PCB board 20 and the copper cladding B203 forms pad B2031 on the front side of the PCB board 20, the PCB board 20 is riveted and fixed to the outer side of the sealing plate 101 by metal rivets 2022 passing through the through hole A102 and through hole B201, and an insulating gasket 30 is provided between the metal rivet 2022 and the inner wall of the metal sealing plate 101;

[0033] The rear cover 40 is detachably fixed to the open end of the metal cylinder 10. The rear cover 40 is provided with a metal elastic element 401 for pressing the battery installed in the metal cylinder 10 and electrically connecting it to the metal cylinder 10.

[0034] Specifically, the use of PCB boards allows for simpler assembly processes through direct riveting with metal rivets, while the use of pads A2021 and B2031 facilitates soldering.

[0035] Furthermore, the PCB board 20 is provided with vias 20311, and the copper cladding B203 is connected to the pads B2031 through the vias 20311.

[0036] Furthermore, the insulating gasket 30 includes a flat gasket portion 301 and a protruding portion 302. The insulating gasket 30 is provided with a through hole C303 through which the flat gasket portion 301 and the protruding portion 302 pass respectively. The metal rivet 2022 passes through the through hole C303.

[0037] Furthermore, in order to prevent the metal rivet from contacting the metal sealing plate and to ensure safety, the outer diameter of the protrusion 302 is smaller than the diameter of the through hole A102, and the length of the protrusion 302 is greater than the thickness of the metal sealing plate 101.

[0038] Furthermore, in order to better separate the metal rivet from the metal sealing plate, the diameter of the flat pad 301 is larger than the diameter of the metal rivet 2022.

[0039] Furthermore, the metal elastic element 401 is a metal spring sheet fixedly connected to the rear cover 40.

[0040] Furthermore, the rear cover 40 is threadedly connected to the metal cylinder 10.

[0041] Furthermore, a positioning hole 103 is provided on the outer wall of the open end of the metal cylinder 10. The positioning hole 103 can easily confirm the relative angle of the battery cylinder installed in the device.

[0042] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A battery sleeve, characterized in that, include, A metal cylinder (10) has an open end and a metal sealing plate (101) at the other end. A through hole A (102) is provided at the center of the metal sealing plate (101). PCB board (20), the PCB board (20) is provided with through hole B (201), the front side of the PCB board (20) is provided with copper cladding A (202) and the back side is provided with copper cladding B (203). The copper cladding A (202) forms pad A (2021) on the front side of the PCB board (20), and the copper cladding B (203) forms pad B (2031) on the front side of the PCB board (20). The PCB board (20) is riveted and fixed to the outer side of the sealing plate (101) by metal rivets (2022) passing through the through hole A (102) and through hole B (201). An insulating gasket (30) is provided between the metal rivet (2022) and the inner wall of the metal sealing plate (101). The rear cover (40) is detachably fixed to the open end of the metal cylinder (10). The rear cover (40) is provided with a metal elastic element (401) for pressing the battery installed in the metal cylinder (10) and electrically connecting it to the metal cylinder (10).

2. A battery sleeve according to claim 1, characterized in that, The PCB board (20) is provided with a via (20311), and the copper cladding B (203) is connected to the pad B (2031) through the via (20311).

3. A battery sleeve according to claim 1, characterized in that, The insulating pad (30) includes a flat pad portion (301) and a raised portion (302). The insulating pad (30) is provided with a through hole C (303) that passes through the flat pad portion (301) and the raised portion (302) respectively. The metal rivet (2022) passes through the through hole C (303).

4. A battery sleeve according to claim 3, characterized in that, The outer diameter of the protrusion (302) is smaller than the diameter of the through hole A (102), and the length of the protrusion (302) is greater than the thickness of the metal sealing plate (101).

5. A battery case according to claim 3 or 4, characterized in that, The diameter of the flat pad (301) is larger than the diameter of the metal rivet (2022).

6. A battery sleeve according to claim 1, characterized in that, The metal elastic element (401) is a metal spring sheet fixedly connected to the rear cover (40).

7. A battery sleeve according to claim 1, characterized in that, The rear cover (40) is threaded to the metal cylinder (10).

8. A battery sleeve according to claim 1, characterized in that, The metal cylinder (10) has a positioning hole (103) on the outer wall of the open end.

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