Stable and reliable rechargeable battery

Through the ingenious design of the positive electrode ejector pin and the battery cap, the structure of the rechargeable battery is simplified, the problem of unstable conductivity is solved, and more stable battery use and lower production costs are achieved.

CN223363309UActive Publication Date: 2025-09-19DONGGUAN ZHOUHONG NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422531812.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-09-19
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The positive electrode of existing rechargeable batteries has a complex conductive structure, which can easily lead to unstable conductivity when vibrated or bumped.

Method used

The positive electrode ejector pin and the battery cap are cleverly designed, including a protruding portion and an inserted portion, combined with the solder pad connection of the circuit board. Through the matching composition of the first half cap and the second half cap of the battery cap, the structure is simplified and a stable and reliable conductive connection is achieved.

Benefits of technology

The rechargeable battery has a simple structure, is stable and reliable during use, reduces production costs and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rechargeable battery products, in particular to a stable and reliable rechargeable battery, which comprises a circuit board used for arranging a circuit, an anode thimble used for conducting electricity and a battery cap used for supporting and fixing. The circuit board is arranged in the battery cap, the battery cap is provided with a through hole, and the insertion part of the anode thimble penetrates through the through hole and is conductively connected with the circuit board; the circuit board is provided with a USB terminal assembly used for external charging, the battery cap is provided with a slot, and the USB terminal assembly is arranged in the slot of the battery cap. Compared with the prior art, the stable and reliable rechargeable battery disclosed by the utility model has the advantages that the positive pole ejector pin is ingeniously connected with the first half cap and the second half cap of the battery cap, so that parts such as a positive pole cap are not needed, the structure is simpler, stable and reliable, and the battery is more stable and reliable during use.
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Description

Technical Field

[0001] The utility model relates to the technical field of rechargeable battery products, in particular to a stable and reliable rechargeable battery. Background Art

[0002] Currently, rechargeable batteries with charging ports on the market mainly include components such as a housing, a battery cell, and a circuit board. For example, the applicant's previously applied patent number is CN202322519012.2, entitled "A Rechargeable Battery," which discloses a structure including a housing, a battery cell mounted in the housing from bottom to top, a circuit board and a plastic cap, and a positive electrode cap positioned above the plastic cap and capable of plugging into the plastic cap. A disadvantage of this type of rechargeable battery is that the structure for conducting electricity at the positive electrode is relatively complex, and unstable conduction may occur when subjected to vibration or bumps.

[0003] Therefore, in view of the shortcomings of the existing technology, it is necessary to provide a stable and reliable rechargeable battery to solve the shortcomings of the existing technology. Utility Model Content

[0004] The present invention aims to overcome the shortcomings of the prior art and provide a rechargeable battery that has a simple structure and is stable and reliable, thereby making the battery more stable and reliable during use.

[0005] The above-mentioned purpose of the utility model is achieved through the following technical measures:

[0006] A stable and reliable rechargeable battery is provided, comprising a circuit board for setting up a circuit, and a positive electrode ejector pin for conducting electricity, which is used to support and fix a battery cap. The positive electrode ejector pin is provided with a protrusion for conducting electricity with the outside, and an insertion portion for conducting electricity with the circuit board. The battery cap comprises a first half cap and a second half cap, the first half cap and the second half cap matching to form the battery cap, and the circuit board is placed inside the battery cap. The battery cap is provided with a through hole, through which the insertion portion of the positive electrode ejector pin passes to conduct electricity with the circuit board. The circuit board is provided with a USB terminal assembly for external charging, and the battery cap is provided with a slot, and the USB terminal assembly is placed in the slot of the battery cap.

[0007] The protruding portion of the positive electrode ejector is arranged at the top of the positive electrode ejector, the insertion portion of the positive electrode ejector is arranged at the bottom of the positive electrode ejector, a soldering pad is arranged on the top of the circuit board, and the bottom end of the insertion portion of the positive electrode ejector is welded to the soldering pad of the circuit board.

[0008] The top of the battery cap is closed and the bottom is open, and the through hole of the battery cap is arranged on the top of the battery cap.

[0009] An annular flange is provided around the through hole of the battery cap, and the outer side of the protruding portion of the positive electrode ejector pin is matched and abutted against the inner side of the annular flange.

[0010] The circuit board is snap-fitted and fixed in the battery cap, and a first slot is provided on the inner side of the first half cap, and the rear end of the circuit board is snap-fitted and fixed in the first slot; the circuit board is in the shape of a "mountain", and the USB terminal assembly is provided in the middle of the circuit board, and a first plate is provided on the top of the circuit board, and a second plate is provided on the bottom of the circuit board, and an accommodating groove is formed between the second plate of the circuit board and the USB terminal assembly; an inner bulge is integrally formed in the second half cap, and a second slot is provided on the top of the inner bulge, and the front end of the first plate of the circuit board is snap-fitted and fixed in the second slot, the slot of the battery cap is located in the middle of the inner bulge, and a blocking portion is provided on the bottom of the inner bulge, and the blocking portion is matched and snapped into the accommodating groove of the second plate.

[0011] Furthermore, the stable and reliable rechargeable battery also includes a battery cell, a top end of the battery cell is provided with a pin, the second plate of the circuit board is provided with a pin sleeve, and the pin is inserted into the pin sleeve.

[0012] Furthermore, the stable and reliable rechargeable battery also includes a shell, the battery core is arranged in the shell, the top of the shell is provided with a positioning hole, the battery cap is provided with a positioning protrusion, and the positioning protrusion is snapped into the positioning hole.

[0013] Furthermore, the housing is provided with a rectangular hole, and the rectangular hole matches and corresponds to the slot of the battery cap.

[0014] Furthermore, the shell and the positive electrode ejector pin are both made of conductive metal materials, and the battery cap is made of insulating plastic material.

[0015] The present invention provides a stable and reliable rechargeable battery, comprising a circuit board for setting up a circuit, a positive electrode ejector pin for conducting electricity, and a battery cap for supporting and fixing the battery. The positive electrode ejector pin is provided with a protrusion for conducting electricity with the outside, and an insertion portion for conducting electricity with the circuit board. The battery cap includes a first half cap and a second half cap, the first half cap and the second half cap matching to form the battery cap, and the circuit board is placed inside the battery cap. The battery cap is provided with a through hole, through which the insertion portion of the positive electrode ejector pin passes to conduct electricity with the circuit board. The circuit board is provided with a USB terminal assembly for external charging, and the battery cap is provided with a slot, and the USB terminal assembly is placed in the slot of the battery cap. Compared with the prior art, the present invention provides a stable and reliable rechargeable battery. Through the ingenious design connection between the positive electrode ejector pin and the first and second half caps of the battery cap, there is no need for components such as a positive electrode cap, making the structure simpler, more stable and reliable, and thus making the battery more stable and reliable during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0017] Figure 1 It is an exploded three-dimensional schematic diagram of the present utility model.

[0018] Figure 2 It is a three-dimensional schematic diagram of the battery cap of the present invention.

[0019] Figure 3 It is a three-dimensional schematic diagram of the first half of the cover cap of the present invention.

[0020] Figure 4 It is a three-dimensional schematic diagram of the second half of the cover cap of the present invention.

[0021] exist Figures 1 to 4 Including:

[0022] Positive electrode ejector pin 1, protruding portion 11, inserting portion 12,

[0023] Battery cap 2, first half cap 21, first slot 211, second half cap 22, inner convex block 221, second slot 222, blocking portion 223, through hole 23, slot 24, annular flange 25, positioning protrusion 26,

[0024] Circuit board 3, USB terminal assembly 31, pad 32, first plate 33, second plate 34, accommodating groove 35, needle sleeve 36,

[0025] Battery cell 4, pin 41,

[0026] Housing 5 , positioning hole 51 , rectangular hole 52 . DETAILED DESCRIPTION

[0027] The technical solution of the present utility model is further described with reference to the following embodiments.

[0028] A stable and reliable rechargeable battery, such as Figures 1 to 4 As shown, it includes a positive electrode ejector pin 1, a battery cap 2, a circuit board 3, a battery cell 4, and a casing 5. The circuit board 3 is used to set up a circuit that controls the charging and discharging of the battery; the positive electrode ejector pin 1 is used for conducting electricity. Specifically, the positive electrode ejector pin 1 is provided with a protrusion 11 for conducting contact with the outside and an insertion portion 12 for conductive connection with the circuit board 3. During use, the top of the protrusion 11 will abut the positive electrode spring of the electronic product to achieve positive connection of the battery; the battery cap 2 is used to support and fix the positive electrode ejector pin 1 and the circuit board 3 to prevent them from loosening or falling off during use.

[0029] The battery cap 2 comprises a first cap half 21 and a second cap half 22, which mate to form the battery cap 2. A circuit board 3 is positioned within the battery cap 2, allowing it to be secured and housed within the battery cap 2. The battery cap 2 is provided with a through-hole 23, through which the insertion portion 12 of the positive electrode ejector pin 1 passes to electrically connect to the circuit board 3. This allows the circuit board 3 to be electrically connected to the outside world via the positive electrode ejector pin 1, achieving positive power supply.

[0030] The circuit board 3 is provided with a USB terminal assembly 31 , which is used to connect to an external charging cable, etc., to realize charging, discharging, etc. The battery cap 2 is provided with a slot 24 , and the USB terminal assembly 31 is placed in the slot 24 .

[0031] Compared with the prior art, the above-mentioned rechargeable battery has an ingeniously designed connection between the positive electrode ejector pin 1 and the first half cap 21 and the second half cap 22 of the battery cap 2, thereby eliminating the need for components such as the positive electrode cap, making the structure simpler, more stable and reliable, and thus making the battery more stable and reliable during use; at the same time, it can also reduce production costs and improve production efficiency.

[0032] Preferably, the protrusion 11 of the positive electrode ejector 1 is arranged at the top of the positive electrode ejector 1, the insertion portion 12 of the positive electrode ejector 1 is arranged at the bottom of the positive electrode ejector 1, and a soldering pad 32 is provided on the top of the circuit board 3. The bottom end of the insertion portion 12 of the positive electrode ejector 1 is welded to the soldering pad 32 of the circuit board 3. This structure allows the positive electrode ejector 1 to be fixed more stably and achieve a more reliable conductive connection.

[0033] Preferably, the top of the battery cap 2 is closed and the bottom is open, and the through hole 23 of the battery cap 2 is set at the top of the battery cap 2. This structure makes the positive electrode ejector 1, the battery cap 2 and the circuit board 3 more tightly installed and integrated.

[0034] Preferably, an annular flange 25 is provided around the through hole 23 of the battery cap 2. The outer side of the protruding portion 11 of the positive electrode thimble 1 is abutted against the inner side of the annular flange 25, just limiting the protruding portion 11 and making the installation of the protruding portion 11 of the positive electrode thimble 1 more tightly and reliably.

[0035] Preferably, the circuit board 3 is snap-fitted and fixed inside the battery cap 2. Specifically, a first card slot 211 is provided on the inner side of the first half cap 21, and the rear end of the circuit board 3 is snap-fitted and fixed inside the first card slot 211 to realize the fixation of the rear end of the circuit board 3. Among them, the circuit board 3 is in a "mountain" shape, the USB terminal assembly 31 is arranged in the middle of the circuit board 3, a first plate 33 is provided on the top of the circuit board 3, a second plate 34 is provided on the bottom of the circuit board 3, and a receiving groove 35 is formed between the second plate 34 of the circuit board 3 and the USB terminal assembly 31. An inner convex block 221 is integrally formed inside the second half cap 22, a second card slot 222 is provided on the top of the inner convex block 221, and the front end of the first plate 33 of the circuit board 3 is snap-fitted and fixed inside the second card slot 222 to realize the fixation of the front top of the circuit board 3. The slot 24 of the battery cap 2 is located in the middle of the inner convex block 221, and a blocking portion 223 is provided at the bottom of the inner convex block 221. The blocking portion 223 is snap-fitted into the receiving groove 35 of the second plate 34 to realize the auxiliary snap-fitting and fixation of the circuit board 3. The above structure enables the battery cap 2 and the circuit board 3 to be installed and connected more tightly and reliably in a smaller space, and at the same time does not interfere with the electrical connection between the positive electrode thimble 1 and the circuit board 3, which belongs to an innovative structural design.

[0036] Preferably, the stable and reliable rechargeable battery of the present invention further includes a battery cell 4. A pin 41 is provided at the top end of the battery cell 4, and a pin sleeve 36 is provided on the second plate 34 of the circuit board 3. The pin 41 is inserted into the pin sleeve 36. This structure enables the battery cell 4 and the circuit board 3 to form an electrical connection, and there are two pins 41 and two corresponding pin sleeves 36, making the electrical connection more stable and reliable.

[0037] Preferably, the stable and reliable rechargeable battery of the present invention further includes a housing 5. The battery cell 4 is sleeved inside the housing 5, and the battery cell 4 is tightly sleeved inside the housing 5, so that the outer side of the battery cell 4 abuts against the inner side of the housing 5 to realize the electrical connection between the battery cell 4 and the housing 5. A positioning hole 51 is provided at the top end of the housing 5, and a positioning protrusion 26 is provided on the battery cap 2. The positioning protrusion 26 is snapped into the positioning hole 51 to make the positioning installation of the battery cap 2 more convenient.

[0038] Preferably, the housing 5 is provided with a rectangular hole 52, and the rectangular hole 52 is matched with the slot 24 of the battery cap 2. The plug-in end corresponding to the USB terminal assembly 31 on the external charging cable can pass through the rectangular hole 52 and then be plugged into the USB terminal assembly 31. [[ID=十三]] [[ID=十四]]

[0039] Preferably, the housing 5 and the positive electrode pin 1 are both made of conductive metal materials, and the battery cap 2 is made of insulating plastic material, so as to control the flow direction of the current.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention may be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A stable and reliable rechargeable battery, comprising a circuit board for setting a circuit, characterized in that: Also includes a positive pin for conducting electricity. Used to support and fix the battery cap, The positive electrode ejector pin is provided with a protruding portion for conducting with the outside and an inserting portion for conducting with the circuit board; The battery cap comprises a first half cap and a second half cap, the first half cap and the second half cap are matched to form the battery cap, and the circuit board is placed in the battery cap; The battery cap is provided with a through hole, and the insertion portion of the positive electrode ejector passes through the through hole and is electrically connected to the circuit board; The circuit board is provided with a USB terminal assembly for external charging, the battery cap is provided with a slot, and the USB terminal assembly is placed in the slot of the battery cap.

2. The stable and reliable rechargeable battery according to claim 1, characterized in that: The protruding portion of the positive electrode ejector is arranged at the top of the positive electrode ejector, the insertion portion of the positive electrode ejector is arranged at the bottom of the positive electrode ejector, a soldering pad is arranged on the top of the circuit board, and the bottom end of the insertion portion of the positive electrode ejector is welded to the soldering pad of the circuit board.

3. The stable and reliable rechargeable battery according to claim 1, characterized in that: The top of the battery cap is closed and the bottom is open, and the through hole of the battery cap is arranged on the top of the battery cap.

4. The stable and reliable rechargeable battery according to claim 1, characterized in that: An annular flange is provided around the through hole of the battery cap, and the outer side of the protruding portion of the positive electrode ejector pin is matched and abutted against the inner side of the annular flange.

5. The stable and reliable rechargeable battery according to claim 1, characterized in that: The circuit board is snap-fitted and fixed in the battery cap, and a first slot is provided on the inner side of the first half cap, and the rear end of the circuit board is snap-fitted and fixed in the first slot; the circuit board is in the shape of a "mountain", and the USB terminal assembly is provided in the middle of the circuit board, and a first plate is provided on the top of the circuit board, and a second plate is provided on the bottom of the circuit board, and an accommodating groove is formed between the second plate of the circuit board and the USB terminal assembly; an inner bulge is integrally formed in the second half cap, and a second slot is provided on the top of the inner bulge, and the front end of the first plate of the circuit board is snap-fitted and fixed in the second slot, the slot of the battery cap is located in the middle of the inner bulge, and a blocking portion is provided on the bottom of the inner bulge, and the blocking portion is matched and snapped into the accommodating groove of the second plate.

6. The stable and reliable rechargeable battery according to claim 5, characterized in that: It also includes a battery core, the top of the battery core is provided with a pin, the second plate of the circuit board is provided with a pin sleeve, and the pin is inserted into the pin sleeve.

7. The stable and reliable rechargeable battery according to claim 6, characterized in that: It also includes a shell, the battery core is arranged in the shell, the top of the shell is provided with a positioning hole, the battery cap is provided with a positioning protrusion, and the positioning protrusion is stuck in the positioning hole.

8. The stable and reliable rechargeable battery according to claim 7, characterized in that: The housing is provided with a rectangular hole, and the rectangular hole matches and corresponds to the slot of the battery cap.

9. The stable and reliable rechargeable battery according to claim 8, characterized in that: The shell and the positive electrode ejector pin are both made of conductive metal materials, and the battery cap is made of insulating plastic material.

Citation Information

Patent Citations

  • Rechargeable battery

    CN220914330U