Rechargeable No.9 lithium ion battery
By designing a rechargeable size 9 lithium-ion battery and adopting an electrical connection structure between lithium-ion cells and a PCB board, the problem of existing size 9 batteries being unable to be recharged multiple times is solved, achieving a stable connection for multiple charging and making it suitable for small electrical appliances.
Patent Information
- Application Number
- CN202520261321.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The existing size 9 batteries cannot be recharged multiple times and cannot meet the needs of small electrical appliances.
A rechargeable No. 9 lithium-ion battery was designed, including a casing, a top cover, a positive electrode cap, a lithium-ion cell, and a PCB board. The lithium-ion cell is used to achieve multiple charges, and the positive and negative electrode leads of the cell are inserted into slots on the PCB board to achieve electrical connection. The casing and the negative electrode conductive plate contact the inner wall of the casing, which meets the size requirements of No. 9 batteries.
It enables multiple charging of size 9 lithium-ion batteries, has a stable and reliable connection, is compatible with general chargers, and meets the needs of small electrical appliances.
Smart Images
Figure CN223728862U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a battery field, concretely relates to a rechargeable 9 lithium ion battery. BACKGROUND
[0002] 9 battery is also called AAAA battery, the existing 9 is all alkaline battery or nickel hydrogen nickel cadmium battery, size is small, cannot charge use repeatedly.But the rechargeable battery on the market is not 9 battery such specification, now more and more small electric appliance such as electronic cigarette, electric shaver, electric toothbrush, electric fascia gun etc. need to use 9 battery, if the structure of 9 battery can be improved, it can be charged repeatedly and cooperate with the existing charger, it will necessarily be more in line with the use demand of consumer. SUMMARY
[0003] In view of the above defects in the prior art, the technical problem to be solved by the utility model is how to provide a 9 battery that can be charged repeatedly and has reliable structure, and the specific technical scheme is as follows:
[0004] A rechargeable 9 lithium ion battery, including shell, top cover and positive cap, top cover is installed on the upper portion of shell, positive cap is installed in the top cover, the diameter of shell is 7.9±0.1mm, the height from the bottom surface of shell to the top end of positive cap is 42±0.2mm, the 9 lithium ion battery further includes lithium ion cell and PCB plate installed in the inside of shell, the lithium ion cell is provided with the same direction outgoing cell positive pole guide needle and cell negative pole guide needle, the PCB plate is placed vertically, the PCB plate is provided with positive pole conductive sheet and negative pole conductive sheet, the inside of positive pole conductive sheet is bent to form positive pole slot, the inside of negative pole conductive sheet is bent to form negative pole slot, the lithium ion cell is inserted into the positive pole slot and negative pole slot respectively through cell positive pole guide needle and cell negative pole guide needle to realize the electrical connection of PCB plate, the top of PCB plate is provided with positive port, the positive cap is electrically connected with positive port, the side of negative pole conductive sheet is provided with negative pole spring sheet extending outward, the negative pole spring sheet contacts the inner wall of shell, and the bottom of shell is the negative pole of battery.
[0005] As a preferred scheme of the utility model, the nominal battery power is 180-200mAH, and the nominal voltage is 1.5V.
[0006] As a preferred scheme of the utility model, the bottom of top cover is provided with annular plug-in plate, and the annular plug-in plate is inserted into the shell.
[0007] As a preferred scheme of the utility model, the bottom of top cover is provided with the slot for the upper end of PCB plate.
[0008] As a preferred scheme of the utility model, the LED lamp for displaying the charging state is integrated on the PCB plate.
[0009] As a preferred scheme of the utility model, the positive pole cover cap is internally provided with a positive pole spring piece, and the positive pole spring piece elastically contacts the positive pole port when the top cap covers the shell.
[0010] As a preferred scheme of the utility model, the lithium ion cell is externally provided with an insulating material layer.
[0011] Advantageous effects: the 9# lithium ion battery of the utility model can be charged and used for multiple times, the diameter of the shell is 7.9±0.1mm, the height from the bottom surface of the shell to the top end of the positive pole cover cap is 42±0.2mm, which meets the size requirement of the 9# battery, and the battery can be applied to general chargers, in addition, the PCB board is vertically placed, the lithium ion cell is respectively inserted into the positive pole slot and the negative pole slot through the cell positive pole guide needle and the cell negative pole guide needle to realize the electrical connection of the PCB board, and the connection is stable and reliable and convenient and fast to install. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 is the perspective view of the utility model;
[0013] Fig. 2 is the front view of the utility model;
[0014] Fig. 3 is the perspective view of the top cap and the PCB board of the utility model;
[0015] Fig. 4 is the perspective view of the lithium ion cell and the PCB board of the utility model. DETAILED DESCRIPTION
[0016] The specific embodiments of the utility model will be further described in combination with the drawings:
[0017] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0018] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can indirectly connect through intermediate medium, can be two element internal communication, for ordinary skilled in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.
[0019] As Figs. 1-4 The utility model discloses a 9 number lithium ion battery of chargeable, including shell 1, top cover 2 and positive cap 3, top cover 2 is installed on the top of shell 1, and positive cap 3 is installed in top cover 2, and the diameter of shell 1 is 7.9+ / -0.1mm, and the height from the bottom surface of shell 1 to the top end of positive cap 3 is 42+ / -0.2mm, and the 9 number lithium ion battery further includes lithium ion cell 4 and PCB board 5 installed in the inside of shell 1, and the lithium ion cell 4 is equipped with the same direction outgoing cell positive pole guide needle 41 and cell negative pole guide needle 42, and the PCB board 5 is placed vertically, and the PCB board 5 is equipped with positive pole conducting sheet 51 and negative pole conducting sheet 52, and the inside of positive pole conducting sheet 51 is bent to form positive pole slot, and the inside of negative pole conducting sheet 52 is bent to form negative pole slot, and the lithium ion cell 4 is inserted into positive pole slot and negative pole slot respectively through cell positive pole guide needle 41 and cell negative pole guide needle 42 to realize the electrical connection of PCB board 5, and the top of PCB board 5 is equipped with positive port 53, and positive cap 3 is electrically connected with positive port 53, and the side of negative pole conducting sheet 52 is equipped with the negative pole spring piece 54 extending to the outside, and the negative pole spring piece 54 contacts the inner wall of shell, and the bottom of shell 1 is battery negative pole, and cooperates with the positive convex point of positive cap 3 to make the 9 number lithium ion battery can be used like normal specification 9 number battery. In addition, the nominal battery power is 180-200mAH, and the nominal voltage is 1.5V.
[0020] Specifically, the annular plugboard 21 under the top cover 2 is inserted into the shell 1, so that the top cover 2 is more stable when installed on the shell 1. The top cover 2 is provided with a slot 22 at the bottom for inserting the upper end of the PCB board, and the slot 22 makes the PCB board inserted into the top cover 2 stable.
[0021] Specifically, the PCB board 5 is integrated with an LED lamp 6 for displaying the charging state, and the positive cap 3 is internally provided with a positive spring piece. When the top cover 2 covers the shell 1, the positive spring piece elastically contacts the positive port 53 to enable the positive cap 3 to transmit electric energy. In addition, an insulating material layer (not shown) can be sleeved on the outer circumferential side of the lithium ion cell 4, so that the shell 1 does not contact the lithium ion cell 4.
[0022] The above is further detailed description of the utility model in combination with specific preferred embodiments, and cannot be deemed that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can also be made, and all should be regarded as belonging to the protection scope of the utility model.
Claims
1. A rechargeable lithium-ion battery of size 9, comprising a case, a top cover and a positive cap, the top cover being mounted on top of the case, and the positive cap being mounted in the top cover, the case having a diameter of 7.9 ± 0.1 mm, and a height from the bottom surface of the case to the top end of the positive cap of 42 ± 0.2 mm, characterized in that: It also includes lithium ion battery cell and PCB board installed inside the shell, the lithium ion battery cell is provided with the same direction leading out of the positive electrode needle and the negative electrode needle, the PCB board is placed vertically, the PCB board is provided with the positive electrode conductive sheet and the negative electrode conductive sheet, the positive electrode conductive sheet is curved inside to form the positive electrode slot, the negative electrode conductive sheet is curved inside to form the negative electrode slot, the lithium ion battery cell is inserted into the positive electrode slot and the negative electrode slot through the positive electrode needle and the negative electrode needle to realize the electrical connection of the PCB board, the positive electrode port is provided above the PCB board, the positive electrode cap is electrically connected with the positive electrode port, the negative electrode conductive sheet is provided with the negative electrode spring sheet extending outward on the side, the negative electrode spring sheet contacts the inner wall of the shell, and the bottom of the shell is the negative electrode of the battery.
2. The rechargeable lithium-ion battery of claim 1, wherein: The nominal battery power is 180-200 mAH, and the nominal voltage is 1.5 V.
3. The rechargeable lithium-ion battery of claim 1, wherein: The top cover is provided below with an annular plug-in plate which is inserted into the shell.
4. The rechargeable lithium-ion battery of claim 1 or 3, wherein: The bottom of the top cover is provided with a slot for the upper end of the PCB board to be inserted.
5. The rechargeable lithium-ion battery of claim 1, wherein: The PCB board is integrated with an LED lamp for displaying the charging state.
6. The rechargeable lithium-ion battery of claim 1, wherein: The positive electrode spring sheet is installed inside the positive electrode cap, and the positive electrode spring sheet elastically contacts the positive electrode port when the top cover covers the shell.
7. The rechargeable lithium-ion 9-volt battery of claim 1, wherein: An insulating material layer is sleeved on the outer circumferential side of the lithium ion battery cell.