Connecting structure of circular battery

Abstract

The utility model relates to the field of circular batteries, in particular to a connecting structure of a circular battery, which is positioned on one side of a circuit board, does not occupy the space of the circuit board, can reduce the thickness of the circuit board, and effectively solves the problems in the background technology. Comprising a battery body, a negative electrode connecting piece is fixedly arranged on one side of a negative electrode plane of the battery body, the outer side of the negative electrode connecting piece is fixedly connected with the inner end of a corner connecting piece, the corner connecting piece is axially bent towards a positive electrode on the side face of the battery body, and binding posts capable of rotating up and down are outwards arranged in the upper and lower middle positions of the side face of the battery body; a positive connecting piece is fixedly arranged in the middle of the side surface of the battery body on one side of the corner connecting piece; a binding post capable of rotating up and down is arranged on the outer side surface of the positive connecting piece; and a corner-shaped insulating base plate is also fixedly arranged on the battery body on the inner side of the corner connecting piece. The device is simple to operate, convenient to use and suitable for circular batteries of various models.

Description

Technical Field

[0001] The utility model relates to the field of round batteries, and specifically to a connection structure for a round battery. Background Art

[0002] Round batteries are called button batteries or also known as coin cells. A button battery is a battery with an outer dimension resembling a small button, having a relatively large diameter and a thin thickness. The Chinese utility model patent with the application number 202221988494.5 discloses a connection structure for a button battery, which can achieve a quick electrical connection between the battery body and the circuit board, form a space between the battery body and the circuit board, without occupying the surface space of the circuit board, facilitating the setting of other electronic components, and meeting the miniaturization requirements of the circuit board.

[0003] The above-mentioned button battery connection structure can play the role of quickly connecting to the circuit board and not occupying the surface space of the circuit board. However, it is found that there are defects in the use process: it is arranged above the circuit board, increasing the thickness of the circuit structure and being not conducive to saving space. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a connection structure for a round battery. This connection structure is located on one side of the circuit board and does not occupy the space of the circuit board, can reduce the thickness of the circuit board, and effectively solve the problems proposed in the background art.

[0005] To achieve the above object, the utility model provides the following technical solution: A connection structure for a round battery, including a battery body. On one side of the negative electrode plane of the battery body, a negative electrode connection piece is fixedly arranged. The outer side of the negative electrode connection piece is fixedly connected to the inner end of a corner connection piece. The corner connection piece is bent axially towards the positive electrode on the side of the battery body, and at the upper and lower middle positions on the side of the battery body, a rotatable connection post is provided outward;

[0006] At the upper and lower middle positions on the side of the battery body on one side of the corner connection piece, a positive electrode connection piece is fixedly arranged, and a rotatable connection post is provided on the outer side of the positive electrode connection piece;

[0007] On the battery body inside the corner connection piece, a corner-shaped insulating pad is also fixedly arranged.

[0008] As a preferred technical solution, the connection post includes metal sleeves with side openings fixedly arranged opposite to each other on both sides. A first metal rod is rotatably arranged in the metal sleeves, and a second metal rod is fixedly connected to the outside of the central position of the first metal rod.

[0009] As a preferred technical solution, a rubber sleeve is also wrapped outside the second metal rod.

[0010] As a preferred technical solution, a circular fixing base is adhesively provided at the center position of the negative electrode plane of the battery body. A support plate is fixedly provided outside the fixing base. The support plate extends horizontally to one side out of the battery body, and two fixing holes are axially spaced on the extended part. Corresponding jacks to the positions of the fixing holes are provided inside the positive and negative electrode contacts of the circuit board. Bolts are inserted into both the jacks and the fixing holes, and locking nuts are provided at the protruding ends of the bolts.

[0011] As a preferred technical solution, the fixing base is a nylon fixing base.

[0012] As a preferred technical solution, the support plate is a nylon support plate.

[0013] As a preferred technical solution, the bolts are rubber bolts.

[0014] As a preferred technical solution, the locking nuts are rubber nuts.

[0015] Compared with the prior art, the present utility model provides a connection structure for a circular battery, having the following beneficial effects:

[0016] 1. In the present utility model, the corner connecting piece is axially bent towards the positive electrode on the side surface of the battery body, and rotatable connecting posts are provided outwardly at the upper and lower middle positions on the side surface of the battery body. Positive electrode connecting pieces are fixedly provided at the upper and lower middle positions on the side surface of the battery body on one side of the corner connecting piece, and rotatable connecting posts are provided on the outer side surfaces of the positive electrode connecting pieces. An angular insulating backing plate is also fixedly provided on the battery body inside the corner connecting piece. During use, welding and fixing can be respectively carried out with the positive and negative electrode contacts on the circuit board through the connecting posts on one side of the circuit board, reducing the thickness of the circuit board and being beneficial to overall space saving. The insulating backing plate plays an insulating role for the corner connecting piece.

[0017] 2. In the present utility model, the connecting post includes metal sleeves with side openings fixedly provided opposite to each other on both sides. A first metal rod is rotatably provided in the metal sleeves. A second metal rod is fixedly connected to the outside of the central position of the first metal rod. During use, the first metal rod can rotate with damping in the metal sleeves. Usually, the second metal rod can be turned downward for convenient storage and transportation. During wiring, the second metal rod can be turned upward to a suitable position.

[0018] 3. In the present utility model, a rubber sleeve is further wrapped outside the second metal rod. During use, the rubber sleeve plays an insulating role to avoid conductive connection with other components during the wiring process. The rubber sleeve at the outer end of the second metal rod can be peeled off during wiring.

[0019] 4. The utility model extends the battery body laterally to one side through the support plate and has two fixing holes axially spaced apart in the extended part. The inner sides of the positive and negative electrodes of the circuit board are provided with insertion holes corresponding to the positions of the fixing holes. Bolts are inserted in both the insertion holes and the fixing holes. The protruding ends of the bolts are provided with locking nuts. When in use, the support plate can be fixedly connected to the circuit board through the bolts and the locking nuts, thereby facilitating the fixing of the button battery as a whole and facilitating the stability of the entire circuit structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0021] Figure 1 It is a schematic diagram of an inverted three-dimensional structure of the first embodiment;

[0022] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure after flipping;

[0023] Figure 3 for Figure 1 An enlarged structural diagram of the negative electrode connection part;

[0024] Figure 4 It is a schematic diagram of the enlarged structure of the terminal;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the second embodiment of the utility model;

[0026] Figure 6 for Figure 5 Schematic diagram of the three-dimensional structure after flipping;

[0027] Figure 7 This is a usage status diagram of the second embodiment.

[0028] Indications in the figure: 1. Battery body; 11. Negative electrode plane; 2. Negative electrode connecting piece; 3. Corner connecting piece; 4. Terminal; 41. Metal sleeve; 42. First metal rod; 43. Second metal rod; 44. Rubber sleeve; 5. Insulating pad; 6. Positive electrode connecting piece; 7. Fixing seat; 8. Support plate; 81. Fixing hole; 9. Circuit board; 91. Positive and negative contacts; 92. Bolt. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0030] like Figures 1 to 4 As shown, a connection structure of a circular battery includes a battery body 1, a negative electrode connecting piece 2 is fixedly provided on one side of the negative electrode plane 11 of the battery body 1, the outer side of the negative electrode connecting piece 2 is fixedly connected to the inner end of the corner connecting piece 3, the corner connecting piece 3 is bent toward the positive electrode axis on the side of the battery body 1, and a terminal 4 that can be rotated up and down is provided outwardly at the upper and lower middle position of the side of the battery body 1. A positive electrode connecting piece 6 is fixedly provided at the upper and lower middle position of the side of the battery body 1 on one side of the corner connecting piece 3, and a terminal 4 that can be rotated up and down is provided on the outer side of the positive electrode connecting piece 6. A corner-shaped insulating pad 5 is also fixedly provided on the battery body 1 inside the corner connecting piece 3.

[0031] The terminal 4 comprises a metal sleeve 41 (copper sleeve) with side openings relatively fixedly arranged on both sides. A first metal rod 42 (copper) is rotatably arranged in the metal sleeve 41 , and a second metal rod 43 (copper) is fixedly connected to the outer side of the center position of the first metal rod 42 .

[0032] The second metal rod 43 is further wrapped with a rubber sleeve 44 .

[0033] When in use, the terminal 4 (second metal rod 43) is welded and fixed to the positive and negative contacts 91 on the circuit board 9 on one side of the circuit board 9, which reduces the thickness of the circuit board 9 and helps save space as a whole. The insulating pad 5 insulates the corner connecting piece 3. The first metal rod 42 can rotate in the metal sleeve 41 with damping. The second metal rod 43 can be turned down at ordinary times for easy storage and transportation. When wiring, the second metal rod 43 can be turned up to a suitable position. The rubber sleeve 44 plays an insulating role to avoid conductive connection with other components during wiring. The rubber sleeve 44 at the outer end of the second metal rod 43 can be peeled off when wiring. Example

[0034] like Figures 5 to 7 As shown, a circular fixing seat 7 is bonded to the center of the negative electrode plane 11 of the battery body 1, a support plate 8 is fixed to the outside of the fixing seat 7, the support plate 8 extends laterally out of the battery body 1 to one side and two fixing holes 81 are axially spaced apart in the extended part, and the inner sides of the positive and negative contacts 91 of the circuit board 9 are provided with insertion holes (not shown) corresponding to the positions of the fixing holes 81, and bolts 92 are inserted into the insertion holes and the fixing holes 81, and a locking nut (not shown) is provided at the protruding end of the bolt 92.

[0035] The fixing seat 7 is a nylon fixing seat, and the supporting plate 8 is a nylon supporting plate, which plays an insulating role.

[0036] The bolt 92 is a rubber bolt and the locking nut is a rubber nut, which plays an insulating role.

[0037] When in use, the pallet 8 can be fixedly connected to the circuit board 9 through the bolt 92 and the lock nut, which is beneficial to fixing the button battery as a whole and beneficial to the stability of the entire circuit structure.

[0038] The components used in the present utility model are all common standard components or components known to those skilled in the art, and their structures and principles are well known to those skilled in the art.

[0039] It should be noted that in this article, the orientation or positional relationship indicated by the terms "first", "second", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only used to distinguish one entity or operation from another entity or operation, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0040] The structures, proportions, sizes, etc. schematically shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the conditions under which the present utility model can be implemented. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the efficacy that the present utility model can produce and the purpose that can be achieved, should still fall within the scope that the technical content disclosed by the present utility model can cover.

[0041] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A circular battery connection structure, characterized in that: The battery body comprises a negative electrode connecting piece fixedly provided on one side of the negative electrode plane of the battery body, the outer side of the negative electrode connecting piece is fixedly connected to the inner end of the corner connecting piece, the corner connecting piece is bent toward the positive electrode axis on the side of the battery body, and a terminal post that can be rotated up and down is provided outwardly at the middle position of the upper and lower sides of the side of the battery body; A positive electrode connecting piece is fixedly provided at the middle position of the upper and lower sides of the battery body on one side of the corner connecting piece, and a terminal post that can rotate up and down is provided on the outer side of the positive electrode connecting piece; A corner-shaped insulating pad is also fixedly provided on the battery body inside the corner connecting piece.

2. A circular battery connection structure according to claim 1, characterized in that: The terminal comprises a metal sleeve with side openings relatively fixedly arranged on two sides, a first metal rod is rotatably arranged in the metal sleeve, and a second metal rod is fixedly connected to the outer side of the center position of the first metal rod.

3. A circular battery connection structure according to claim 2, characterized in that: The second metal rod is also wrapped with a rubber sleeve.

4. The circular battery connection structure according to claim 1, characterized in that: A circular fixing seat is bonded to the center of the negative electrode plane of the battery body, a support plate is fixed to the outside of the fixing seat, the support plate extends laterally out of the battery body to one side and two fixing holes are axially spaced apart in the extended part, and insertion holes corresponding to the positions of the fixing holes are provided on the inner sides of the positive and negative contacts of the circuit board, bolts are inserted in both the insertion holes and the fixing holes, and locking nuts are provided at the protruding ends of the bolts.

5. A circular battery connection structure according to claim 4, characterized in that: The fixing seat is a nylon fixing seat.

6. The circular battery connection structure according to claim 4, characterized in that: The supporting plate is a nylon supporting plate.

7. The circular battery connection structure according to claim 4, characterized in that: The bolt is a rubber bolt.

8. The circular battery connection structure according to claim 4, characterized in that: The locking nut is a rubber nut.

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