Round battery with compression-resistant shell

Abstract

The utility model relates to the field of round batteries, in particular to a round battery with a pressure-resistant shell, the bottom surface of the round battery is provided with a supporting structure connected with a circuit board, and the problem of poor pressure resistance of a button battery in the background technology is effectively solved. Comprising a positive connecting piece and a negative connecting piece, the two ends of the positive connecting piece extend in the radial direction of the battery body and are connected with bearing pieces, the ends of the bearing pieces are connected with inserting pieces in the axial direction of the battery body, the ends of the inserting pieces are provided with limiting conducting pieces, and the two ends of the negative connecting piece extend in the radial direction of the battery body and are connected with supporting conducting pieces; and pressure-resistant pieces matched with the circuit board are fixedly arranged at the edge of the negative electrode surface of the battery at intervals in the circumferential direction. 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 circular batteries, and particularly to a circular battery with a compressive-resistant outer shell. Background Art

[0002] The circular battery is called a button battery and is also known as a snap battery. A button battery is a battery with an outer dimension like a small button, having a relatively large diameter and a relatively thin thickness. The Chinese utility model patent with the application number 202221988494.5 discloses a button battery connection structure, 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, does not occupy the surface space of the circuit board, is convenient for arranging other electronic components, and can meet the miniaturization requirements of the circuit board.

[0003] The above-mentioned button battery connection structure can play the role of quickly connecting with 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 at an interval from the circuit board and is only supported by a bearing piece and a supporting conductive piece, which become part of the outer shell of the button battery, and the supporting force is weak. When subjected to external force extrusion, it is easy to damage the bearing piece and the supporting conductive piece, and the compressive resistance performance is poor, which is not conducive to the normal operation of the circuit. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a circular battery with a compressive-resistant outer shell. The circular battery is provided with a support structure connected to the circuit board on the bottom surface of the battery, effectively solving the problem of poor compressive resistance performance of the button battery disclosed in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: A circular battery with a compressive-resistant outer shell includes a positive connection piece and a negative connection piece. The two ends of the positive connection piece extend along the radial direction of the battery body and are connected with a bearing piece. The end of the bearing piece is connected with a plug-in piece along the axial direction of the battery body, and a limiting conductive piece is arranged at the end of the plug-in piece. The two ends of the negative connection piece extend along the radial direction of the battery body and are connected with a supporting conductive piece; a compressive-resistant member cooperating with the circuit board is fixedly arranged at intervals in the circumferential direction on the edge of the negative surface of the battery.

[0006] As a preferred technical solution, the compressive-resistant member includes a circular seat bonded to the negative surface of the battery. A screw rod is fixedly bonded to the bottom surface of the circular seat. A jack cooperating with the screw rod is arranged on the circuit board. A first gasket and a first nut are arranged on the screw rod above the jack, and a second gasket and a second nut are arranged on the screw rod below the jack.

[0007] As a preferred technical solution, an insulating coating is arranged on the circumferential surface of the screw rod.

[0008] As a preferred technical solution, the first gasket and the second gasket are silicone gaskets.

[0009] As a preferred technical solution, the first nut and the second nut are nylon nuts.

[0010] As a preferred technical solution, the length of the screw rod is greater than the length of the bearing piece below the negative electrode surface.

[0011] As a preferred technical solution, a rubber cap is sleeved downward on the upper side of the battery body.

[0012] As a preferred technical solution, the rubber cap is in the shape of a cylindrical barrel with a downward opening, and rectangular grooves matched with the plugging pieces are symmetrically arranged on the inner surface.

[0013] Compared with the prior art, the present utility model provides a circular battery with a compressive shell, and has the following beneficial effects:

[0014] 1. In the present utility model, a screw rod is fixedly arranged by bonding on the bottom surface of the circular seat, a jack matched with the screw rod is arranged on the circuit board, a first gasket and a first nut are arranged on the screw rod above the jack, and a second gasket and a second nut are arranged on the screw rod below the jack. During use, the screw rod can be limited and fixed on both sides of the circuit board through the first nut and the second nut, so as to support the upper battery, and avoid damage to the bearing piece and the supporting conductive piece when the battery is squeezed.

[0015] 2. In the present utility model, an insulating coating is arranged on the circumferential surface of the screw rod, and the first gasket and the second gasket are silica gel gaskets. During use, both the insulating coating and the silica gel gasket play an insulating role for the circuit board.

[0016] 3. In the present utility model, a rubber cap is sleeved downward on the upper side of the battery body, the rubber cap is in the shape of a cylindrical barrel with a downward opening, and rectangular grooves matched with the plugging pieces are symmetrically arranged on the inner surface. During use, the rubber cap can play a protective and compressive role for the battery on the upper side, and is convenient for staff to pick up, place and transport. The cooperation of the rectangular grooves and the plugging pieces can limit the rubber cap and is beneficial to the firmness of plugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application:

[0018] Figure 1 It is a schematic inverted three-dimensional structure diagram of the first embodiment;

[0019] Figure 2 is Figure 1 a schematic three-dimensional structure diagram of being turned over up and down;

[0020] Figure 3 is Figure 1 an enlarged structural diagram of a compressive member in

[0021] Figure 4 is Figure 3 a schematic diagram of a three-dimensional structure that is turned upside down vertically;

[0022] Figure 5 is a schematic diagram of the three-dimensional structure of the second embodiment of the present utility model;

[0023] Figure 6 is a schematic diagram of the three-dimensional structure of the rubber cap being turned upside down vertically.

[0024] Reference numerals in the figure: 1. Battery body; 2. Positive connection piece; 21. Through hole; 22. Carrier piece; 23. Insertion piece; 24. Limit conductive piece; 3. Negative connection piece; 31. Support conductive piece; 32. Hand-held piece; 4. Compression-resistant part; 41. Circular seat; 42. Screw; 43. First gasket; 44. First nut; 45. Second gasket; 46. Second nut; 5. Rubber cap; 51. Rectangular groove. Detailed implementation manners

[0025] 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. Embodiment

[0026] As Figures 1 to 4 shown, a circular battery with a compression-resistant outer shell includes a positive connection piece 2 (connected to the positive electrode) and a negative connection piece 3 (connected to the negative electrode). Both ends of the positive connection piece 2 extend along the radial direction of the battery body 1 and are connected with a carrier piece 21. The end of the carrier piece 21 is connected with an insertion piece 22 along the axial direction of the battery body 1, and a limit conductive piece 23 is arranged at the end of the insertion piece 22. Both ends of the negative connection piece 3 (with hand-held pieces 32 arranged on both sides) extend along the radial direction of the battery body 1 and are connected with support conductive pieces 31. Compression-resistant parts 4 that cooperate with the circuit board are fixedly arranged at intervals in the circumferential direction on the edge of the negative electrode surface of the battery.

[0027] The compression-resistant part 4 includes a circular seat 41 adhesively bonded to the negative electrode surface of the battery. A screw 42 is vertically and adhesively fixed to the bottom surface of the circular seat 41. There is a jack on the circuit board (not shown) that cooperates with the screw 42. A first gasket 43 and a first nut 44 are arranged on the screw 42 above the jack, and a second gasket 45 and a second nut 46 are arranged on the screw 42 below the jack.

[0028] An insulating coating is provided on the circumferential surface of the screw 42.

[0029] The first gasket 43 and the second gasket 45 are silicone gaskets.

[0030] The first nut 44 and the second nut 46 are nylon nuts.

[0031] The length of the screw rod 42 is greater than the length of the bearing piece 21 below the negative electrode surface.

[0032] During use, the screw rod 42 is limited and fixed on both sides of the circuit board through the first nut 44 and the second nut 46, so as to support the battery on the upper side and prevent the bearing piece 21 and the supporting conductive piece 31 from being damaged when the battery is squeezed. The insulating coating and the silicone gasket both play an insulating role for the circuit board. Embodiment

[0033] As Figure 5 、 Figure 6 shown, a rubber cap 5 is sleeved downward on the upper side of the battery body 1.

[0034] The rubber cap 5 is in the shape of a cylindrical tube with a downward opening, and rectangular grooves 51 for cooperating with the insertion pieces 22 are symmetrically arranged on the inner surface.

[0035] During use, the rubber cap 5 can play a role in protecting and resisting pressure on the upper side of the battery, and is convenient for staff to pick up, place and transport. The cooperation between the rectangular grooves 51 and the insertion pieces 22 can limit the rubber cap 5 and at the same time facilitate the firmness of the insertion.

[0036] 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.

[0037] 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 term "comprising", "including" or any other variant thereof is 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.

[0038] The structures, ratios, sizes, etc. schematically shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limiting 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 effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model.

[0039] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand 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. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A circular battery with a compressive housing, comprising a positive connection piece and a negative connection piece. Both ends of the positive connection piece extend along the radial direction of the battery body and are connected with a bearing piece. The end of the bearing piece is connected with a plug-in piece along the axial direction of the battery body, and a limiting conductive piece is arranged at the end of the plug-in piece. Both ends of the negative connection piece extend along the radial direction of the battery body and are connected with a supporting conductive piece; it is characterized in that: A compression-resistant member for cooperating with a circuit board is fixedly arranged at intervals in the circumferential direction on the edge of the negative electrode surface of the battery.

2. A circular battery with a compression-resistant outer shell according to claim 1, characterized in that: The compression-resistant member includes a circular seat adhered to the negative electrode surface of the battery. A screw rod is fixedly adhered to the bottom surface of the circular seat. A jack for cooperating with the screw rod is provided on the circuit board. A first gasket and a first nut are arranged on the screw rod above the jack, and a second gasket and a second nut are arranged on the screw rod below the jack.

3. The circular battery with a compressive housing according to claim 2, wherein: An insulating coating is provided on the circumferential surface of the screw rod.

4. A circular battery with a compressive outer shell according to claim 2, characterized in that: The first gasket and the second gasket are silicone gaskets.

5. A circular battery with a compression-resistant outer shell according to claim 2, characterized in that: The first nut and the second nut are nylon nuts.

6. The circular battery with a compressive outer shell according to claim 2, wherein: The length of the screw rod is greater than the length of the bearing piece below the negative electrode surface.

7. A circular battery with a compression-resistant outer shell according to claim 1, characterized in that: A rubber cap is sleeved downward on the upper side of the battery body.

8. A circular battery with a compression-resistant outer shell according to claim 7, characterized in that: The rubber cap is in the shape of a cylindrical barrel with a downward opening, and rectangular grooves for cooperating with the insertion pieces are symmetrically arranged on the inner surface.

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