9V battery
By using the mechanical connection of conductive springs and conductive terminals, the problems of low welding efficiency and high cost of existing 9V batteries are solved, and a stable electrical connection between the battery and the circuit board is achieved, making it suitable for devices that require frequent battery replacement.
Patent Information
- Application Number
- CN202423234012.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing 9V battery cells are connected to the circuit board by soldering or spot welding, which results in high production costs, low efficiency, and easy welding defects, affecting circuit reliability.
A mechanical connection method is adopted, using conductive springs and conductive terminals to abut against the cell electrodes through the elastic part, combined with ultrasonic welding or magnetic connection of the housing, to achieve a stable electrical connection between the battery and the integrated circuit board.
It enables simple assembly of batteries and circuit boards, reduces production costs, improves the reliability and stability of electrical connections, and is suitable for devices that require frequent battery replacements.
Smart Images

Figure CN223927504U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a battery, in particular to a 9V battery. BACKGROUND
[0002] The electrical connection between the cell in the 9V battery and the circuit board and the conductive spring piece is generally achieved by wire soldering connection and / or spot welding connection. Soldering or spot welding is a common connection technique in electronic device manufacturing. Soldering is achieved by contacting the molten solder (usually a tin alloy) with the metal surface to be connected and cooling and solidifying, thereby realizing electrical connection. Spot welding is achieved by discharging the spot welding machine to electrically connect the metal sheet and the cell together.
[0003] However, welding or spot welding not only requires a large amount of manual operation, but also requires additional purchase of solder material or spot welding machine equipment, which increases production costs. In addition, the welding efficiency is low, which is not suitable for rapid production, and may cause welding defects such as loose welding and unstable welding points, thereby affecting the reliability of the circuit. SUMMARY
[0004] The utility model aims at the corresponding deficiency of prior art, provides a kind of 9V battery, and the electrical connection of battery and integrated circuit board is realized by mechanical connection, which is not only easy to assemble, but also saves production cost.
[0005] The utility model discloses the following scheme is realized: a kind of 9V battery, including upper shell, lower shell, integrated circuit board, cell and conductive spring piece, the upper shell and the lower shell are collectively enclosed in a containing cavity, the integrated circuit board, the cell and the conductive spring piece are located in the containing cavity, the upper surface of the integrated circuit board is provided with positive cap and negative cap electrically connected with the positive pole and the negative pole of the integrated circuit board, the positive cap and the negative cap outwardly extend the containing cavity, the lower surface of the integrated circuit board is provided with two conductive terminals, two the conductive terminals are electrically connected with the positive pole and the negative pole of the integrated circuit board respectively, the cell includes first cell and second cell, the conductive terminal connected with the positive pole of the integrated circuit board is abutted in the positive pole of the first cell, the conductive terminal connected with the negative pole of the integrated circuit board is abutbed in the negative pole of the second cell, the negative pole of the first cell and the positive pole of the second cell are abutted with the conductive spring piece to realize electrical connection.
[0006] Further, the conductive terminal includes a welding portion connected to the integrated circuit board, an elastic portion connected to the welding portion, and an abutting portion connected to the elastic portion. The positive pole of the first cell and the negative pole of the second cell are abutted in the abutting portion of the conductive terminal.
[0007] Further, the elastic part is bent from one end of the welding part and extends in an arc shape and suspends below the welding part, and the abutting part extends downward in an arc shape from the end of the elastic part.
[0008] Further, an anti-tin groove extending downward in an arc shape is arranged between the welding part and the elastic part.
[0009] Further, the conductive elastic sheet comprises a connecting part connecting the negative electrode of the first battery cell and the positive electrode of the second battery cell, and a fixing part extending from the connecting part and fixed to the upper shell.
[0010] Further, the other end of the fixing part of the conductive elastic sheet is provided with a clamping part, and the integrated circuit board is clamped in the clamping part.
[0011] Further, the fixing part is provided with a fixing hole, and the upper shell is provided with a fixing column, and the fixing column is located in the fixing hole.
[0012] Further, an insulating sheet provided with a through hole is arranged between the positive electrode of the first battery cell and the integrated circuit board, and the conductive terminal connected to the positive electrode of the integrated circuit board passes through the through hole of the insulating sheet and abuts against the positive electrode of the first battery cell; an insulating sheet provided with a through hole is arranged between the positive electrode of the second battery cell and the connecting part of the conductive elastic sheet, and the protrusion of the connecting part passes through the through hole of the insulating sheet and abuts against the positive electrode of the second battery cell.
[0013] Further, at least one of the upper shell and the lower shell is provided with a avoiding groove, and the integrated circuit board is provided with a USB port, and the USB port is accommodated in the avoiding groove.
[0014] Further, the upper shell and the lower shell are connected by ultrasonic welding, mutual buckling or magnetic attraction.
[0015] The battery is fixed on the circuit board by the mechanical buckle, and the electrical connection is realized by the contact. The buckle type connection has the characteristics of simple installation and convenient disassembly, and is suitable for equipment which needs to frequently replace the battery.
[0016] The 9V battery provided by the utility model, by setting the conductive terminal with the elastic part and the abutting part of the conductive terminal abutting against the electrode of the battery cell, can ensure that the conductive terminal has sufficient elastic force to stably contact, thereby avoiding the contact failure caused by insufficient elastic force, so that the circuit function is invalid. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.
[0018] Figure 1 It is a perspective view of the 9V battery of the present application.
[0019] Figure 2 It is a perspective view of the conductive terminal of the present application.
[0020] Figure 3 It is an internal structure diagram of the 9V battery product of the present application.
[0021] Figure 4 It is an internal structure diagram of the 9V battery product of the present application.
[0022] Figure 5 It is a perspective view of the conductive spring of the present application.
[0023] Figure 6 It is a perspective view of the integrated circuit board of the present application.
[0024] Figure 7 It is a perspective view of the insulating sheet of the present application.
[0025] Figure 8 It is Figure 1 It is a perspective exploded view of the 9V battery. DETAILED DESCRIPTION
[0026] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the description of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0027] The terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, and are only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0028] The terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, in addition to including the listed elements, other elements not explicitly listed can also be included.
[0029] Referring to Figures 1-8 The utility model discloses a 9V battery 100, including upper casing 10, lower casing 20, integrated circuit board 30, electric core and conductive spring piece 50, the upper casing 10 with lower casing 20 jointly enclose a containing cavity, the integrated circuit board 30, the electric core with conductive spring piece 50 are located in the containing cavity, the upper surface of integrated circuit board 30 is provided with the positive cap 31 and negative cap of the positive pole and the negative pole electric connection of integrated circuit board 30, the positive cap 31 with the negative cap 32 outwardly protrude the containing cavity, the lower surface of integrated circuit board 30 is provided with two conductive terminals 33, two conductive terminals 33 are electrically connected with the positive pole and the negative pole of integrated circuit board 30 respectively, the electric core includes first electric core 41 and second electric core 42, the conductive terminal 33 of the positive pole of the first electric core 41 abuts at the positive pole of the second electric core 42 of the negative pole of the negative pole of the integrated circuit board 30 connection of the conductive terminal 33 of the positive pole of the first electric core 41 abuts at the negative pole of the second electric core 42, the negative pole of the first electric core 41 with the positive pole of the second electric core 42 realizes electric connection through the abutment conductive spring piece 50.
[0030] Referring to Figures 2-4 And Figure 6 The conductive terminal 33 includes the welding portion 331 of the integrated circuit board 30 connection, the elastic portion 332 of the welding portion 331 connection and the abutment portion 335 of the elastic portion 332 connection, the positive pole of the first electric core 41 and the negative pole of the second electric core 42 abut with the abutment portion 335. Wherein, the elastic portion 332 from the welding portion 331 one end arc bending extension and hang in the welding portion 331 below, the abutment portion 335 from the elastic portion 332 end downward arc bending extension is formed. In the embodiment, the abutment portion 335 extends towards the direction of the first electric core 41 and is connected with the positive pole of the first electric core 41, the abutment portion 335 extends towards the direction of the second electric core 42 and is connected with the negative pole of the second electric core 42. In the embodiment, the elastic force of the elastic portion 332 can ensure that the conductive terminal 33 downward abuts the abutment force of the electric core, and the arc bending of the abutment portion 335 and downward extension can further enhance the abutment force of the conductive terminal 33 and the electric core, so that the poor contact caused by the insufficient elastic force of the conductive terminal 33 can be effectively avoided, and the circuit function failure is caused.
[0031] Referring to Figures 2-3 And Figure 6The welding portion 331 firmly fixes the conductive terminal 33 on the integrated circuit board 30, ensuring stable and reliable electrical connection between the two. The elastic portion 332 is an intermediate portion connecting the welding portion 331 and the abutting portion 335, which has a certain curvature and elasticity. The main function of the elastic portion 332 is to provide the necessary elasticity and deformation ability to adapt to the slight displacement or deformation of the battery during the connection process. This elasticity and deformation ability can ensure that the positive and negative electrodes of the battery always maintain close contact with the abutting portion 335, thereby ensuring the reliability of the electrical connection.
[0032] Please refer to Figures 2-3 , the abutting portion 335 ensures reliable electrical connection between the positive and negative electrodes of the battery and the conductive terminal 33.
[0033] Please refer to Figure 2 , an arc-shaped downwardly bent and extended tin blocking groove 333 is provided between the welding portion 331 and the elastic portion 332. The provision of the tin blocking groove 333 can avoid the tin adhering to the elastic portion 332 when the conductive terminal 33 is welded to the integrated circuit board 30, which can cause the elastic portion 332 to lose its elasticity.
[0034] Please refer to Figure 3 , Figures 5-7 , the positive electrode of the first battery 41 is provided with an insulating sheet 60 having a through hole 61, and the conductive terminal 33 connected to the positive electrode of the integrated circuit board 30 passes through the through hole 61 of the insulating sheet 60 to abut against the positive electrode of the first battery 41; the positive electrode of the second battery 42 is provided with an insulating sheet 60 having a through hole 61 between the connecting portion 51 of the conductive elastic sheet 50, and the protrusions of the connecting portion 51 pass through the through hole 61 of the insulating sheet 60 to abut against the positive electrode of the second battery 42.
[0035] Please refer to Figure 2 , the welding portion 331 has two side plates 334 extending downward, and at least one of the side plates 334 has an end away from the welding portion 331 extending transversely to the other side plate 334 to form a stop portion 336. When the conductive terminal 33 is in an un-abutting state, the abutting portion 335 abuts against the stop portion 336, and the stop portion 336 limits the abutting portion 335 and the elastic portion 332.
[0036] Please refer to Figures 3-5The conductive elastic sheet 50 includes a connecting portion 51 connecting the negative electrode of the first battery cell 41 and the positive electrode of the second battery cell 42, and a fixed portion 52 extending from the connecting portion 51 and fixed to the upper shell 10. The fixed portion 52 of the conductive elastic sheet 50 is provided with a clamping portion 53, and the integrated circuit board 30 is clamped in the clamping portion 53. The fixed portion 52 is provided with a fixed hole 521, and the upper shell 10 is provided with a fixed column 11, and the fixed column 11 is located in the fixed hole 521.
[0037] Please refer to Figure 4 、 Figure 5 In the embodiment, when the conductive elastic sheet 50 is installed to the upper shell 10, the fixed column 11 passes through the fixed hole 521, and the fixed column 11 fixes the conductive elastic sheet 50 on the upper shell 10 by hot melting.
[0038] Please refer to Figure 1 、 Figure 8 At least one of the upper shell 10 and the lower shell 20 is provided with a avoiding slot 12, and the integrated circuit board 30 is provided with a USB port 34, and the USB port 34 is accommodated in the avoiding slot 12. External data line passes through the avoiding slot 12 and is connected with the USB interface 34, so as to realize charging or data exchange function.
[0039] Please refer to Figure 1 、 Figure 8 The upper shell 10 and the lower shell 20 are connected by ultrasonic welding or mutual buckling.
[0040] Preferably, the upper shell 10 and the lower shell 20 are connected by buckling, which can be conveniently opened to replace the battery cell.
[0041] In other embodiments, the upper shell 10 and the lower shell 20 are provided with polarity-attractive magnets and are connected by magnetic attraction, and the magnetic attraction connection mode can also be conveniently opened to replace the battery cell.
[0042] The 9V battery 100 provided by the utility model, through setting the conductive terminal 33 with the elastic part 332, and the abutting part 335 of the conductive terminal 33 abutting with the electrode of the battery cell, can ensure that the conductive terminal 33 has sufficient elastic force to stably contact, thereby avoiding poor contact caused by insufficient elastic force, resulting in circuit function failure.
[0043] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A 9V battery characterized by: The application relates to a battery, which comprises an upper shell, a lower shell, an integrated circuit board, an electric core and a conductive spring sheet, the upper shell and the lower shell jointly define a containing cavity, the integrated circuit board, the electric core and the conductive spring sheet are located in the containing cavity, the upper surface of the integrated circuit board is provided with a positive electrode cap and a negative electrode cap which are electrically connected with the positive electrode and the negative electrode of the integrated circuit board, the positive electrode cap and the negative electrode cap extend outwards from the containing cavity, the lower surface of the integrated circuit board is provided with two conductive terminals which are electrically connected with the positive electrode and the negative electrode of the integrated circuit board respectively, the electric core comprises a first electric core and a second electric core, the conductive terminal which is electrically connected with the positive electrode of the integrated circuit board abuts against the positive electrode of the first electric core, the conductive terminal which is electrically connected with the negative electrode of the integrated circuit board abuts against the negative electrode of the second electric core, and the negative electrode of the first electric core and the positive electrode of the second electric core abut against the conductive spring sheet to realize electrical connection.
2. The 9V battery of claim 1, wherein: The conductive terminal comprises a welding part connected with the integrated circuit board, an elastic part connected with the welding part and an abutting part connected with the elastic part, and the positive electrode of the first electric core and the negative electrode of the second electric core abut against the abutting part of the conductive terminal.
3. The 9V battery of claim 2, wherein: The elastic part is arc-bent and extended from one end of the welding part and suspends below the welding part, and the abutting part is arc-bent and extended downwards from the tail end of the elastic part.
4. The 9V battery of claim 3, wherein: An arc-shaped downward bent extending tin-blocking groove is arranged between the welding part and the elastic part.
5. The 9V battery of claim 1, wherein: The conductive spring sheet comprises a connecting part connecting the negative electrode of the first electric core and the positive electrode of the second electric core and a fixing part extending from the connecting part and fixed on the upper shell.
6. The 9V battery of claim 5, wherein: The other end of the fixing part of the conductive spring sheet is provided with a clamping part, and the integrated circuit board is clamped in the clamping part.
7. The 9V battery of claim 5, wherein: The fixing part is provided with a fixing hole, and the upper shell is provided with a fixing column which is located in the fixing hole.
8. The 9V battery of claim 5, wherein: An insulating sheet provided with a through hole is arranged between the positive electrode of the first electric core and the integrated circuit board, the conductive terminal connected with the positive electrode of the integrated circuit board passes through the through hole of the insulating sheet and abuts against the positive electrode of the first electric core, and an insulating sheet provided with a through hole is arranged between the positive electrode of the second electric core and the connecting part of the conductive spring sheet, and the protrusion of the connecting part passes through the through hole of the insulating sheet and abuts against the positive electrode of the second electric core.
9. The 9V battery of claim 1, wherein: At least one of the upper shell and the lower shell is provided with an avoiding groove, and a USB port is arranged on the integrated circuit board and accommodated in the avoiding groove.
10. The 9V battery of claim 1, wherein: The upper shell and the lower shell are connected through ultrasonic welding, mutual clamping or magnetic attraction.