Novel 9V battery
By using a mechanical connection method, the conductive terminals and the elastic and contact parts of the conductive spring achieve a stable electrical connection between the battery and the circuit board, solving the problems of high cost, low efficiency and welding defects in the existing technology, and making it suitable for devices that require frequent battery replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-31
AI Technical Summary
The current method of connecting 9V battery cells to circuit boards relies on manual operation, which is costly and inefficient, and poses a risk of welding defects, affecting the reliability and stability of the circuit.
The battery is fixed by a mechanical connection method, which uses the elastic part and the abutment part of the conductive spring to achieve electrical connection through the conductive terminals. The battery is fixed by a snap-on structure, avoiding welding and spot welding. The housing is connected by ultrasonic welding or magnetic attraction.
It achieves a stable electrical connection between the battery and the circuit board, reduces production costs, improves production efficiency, avoids welding defects, and is suitable for equipment that requires frequent battery replacement.
Smart Images

Figure CN224067695U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to batteries, and in particular to a novel 9V battery. Background Technology
[0002] In the production process of 9V batteries, the electrical connection between the cell and the circuit board and conductive contacts is usually achieved by either wire soldering or spot welding. Soldering involves covering the metal surfaces to be connected with molten solder (usually a tin alloy), and allowing it to cool and solidify to form an electrical connection. Spot welding, on the other hand, uses the high-energy discharge generated by a spot welding machine to directly and electrically bond the metal sheet to the cell.
[0003] However, both connection methods are highly dependent on manual operation and require additional material inputs, such as solder for soldering and spot welding equipment for spot welding, which undoubtedly increases production costs. Furthermore, the production efficiency of soldering and spot welding is relatively low, making it difficult to meet the demands of rapid production. More importantly, both methods carry the potential risk of soldering defects, such as cold solder joints and weak solder joints, which can adversely affect the reliability and stability of the circuit. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a novel 9V battery that achieves electrical connection between the battery and the integrated circuit board through a mechanical connection, which not only facilitates assembly but also saves production costs.
[0005] The purpose of this utility model is achieved by the following solution: A novel 9V battery includes a first shell, a second shell, an integrated circuit board, and a battery cell. The first shell and the second shell together form a receiving cavity. The integrated circuit board and the battery cell are located within the receiving cavity. The upper surface of the integrated circuit board is provided with a positive cap and a negative cap electrically connected to the positive and negative electrodes of the integrated circuit board. The positive cap and the negative cap extend outward from the receiving cavity. The lower surface of the integrated circuit board is provided with two conductive terminals, which are electrically connected to the positive and negative electrodes of the integrated circuit board, respectively. The battery cell is provided with two conductive springs, which are electrically connected to the two conductive terminals, respectively.
[0006] Furthermore, the conductive terminal includes a soldering portion connected to the integrated circuit board, an elastic portion connected to the soldering portion, and an abutting portion connected to the elastic portion, with both conductive springs abutting against the abutting portion of the conductive terminal.
[0007] Furthermore, the elastic portion extends from one end of the welded portion in an arc shape and is suspended above the welded portion, while the abutting portion extends downward in an arc shape from the end of the elastic portion.
[0008] Furthermore, the welding part is provided with a limiting part that bends downward in an arc shape.
[0009] Furthermore, each of the conductive springs includes an elastic connection portion connecting the battery cell and a contact portion extending obliquely from the end of the elastic connection portion toward the conductive terminal, the contact portion abutting against the conductive terminal.
[0010] Furthermore, the inner surface of the first housing is recessed with a mounting groove, and a support portion is inclinedly provided on one side of the inner wall of the mounting groove. The support portion is used to keep the contact portion attached to the inner wall of the mounting groove, and the integrated circuit board and the contact portion are installed in the mounting groove.
[0011] Furthermore, the free end of the contact portion of the conductive spring is provided with a fixing portion, which is sandwiched between the side edge of the integrated circuit board and the first housing.
[0012] Furthermore, at least one of the first housing and the second housing has a clearance groove, and a USB port is provided on the integrated circuit board, the USB port being accommodated within the clearance groove.
[0013] Furthermore, the first housing and the second housing are connected by ultrasonic welding, interlocking, or magnetic attraction.
[0014] Furthermore, an adhesive backing is attached to one side of the battery cell, and the battery cell is fixed to the first housing through the adhesive backing.
[0015] The advantage of this invention is that the battery is fixed to the circuit board by a mechanical snap-fit and electrically connected via contacts. This snap-fit connection is easy to install and disassemble, making it suitable for devices that require frequent battery replacements.
[0016] The 9V battery provided by this utility model, by setting the conductive terminal with the elastic part and the abutting part of the conductive terminal abutting with the electrode of the battery cell, can ensure that the conductive terminal has sufficient elastic force to make stable contact, thereby avoiding poor contact due to insufficient elastic force and resulting in circuit failure. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a perspective view of a novel 9V battery according to this utility model.
[0019] Figure 2 This is a diagram showing the internal structure of a novel 9V battery product according to this utility model.
[0020] Figure 3 This is a perspective view of the conductive terminal of this utility model.
[0021] Figure 4 This is a perspective view of the battery cell and conductive spring of this utility model.
[0022] Figure 5 for Figure 2 This is a cross-sectional view of the internal structure of a novel 9V battery product according to this utility model.
[0023] Figure 6 This is a perspective view of the first housing of this utility model.
[0024] Figure 7 for Figure 1 An exploded 3D view of the new 9V battery. Detailed Implementation
[0025] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. Based on the description of the present invention, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of the present invention.
[0026] The terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use. They are used only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the invention.
[0027] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.
[0028] Please see Figure 1 , Figure 2 and Figure 7This utility model discloses a novel 9V battery, comprising a first housing 10, a second housing 20, an integrated circuit board 30, and a battery cell 40. The first housing 10 and the second housing 20 together form a receiving cavity. The integrated circuit board 30 and the battery cell 40 are located within the receiving cavity. The upper surface of the integrated circuit board 30 is provided with a positive electrode cap 31 and a negative electrode cap 32 electrically connected to the positive and negative electrodes of the integrated circuit board 30, respectively. The positive electrode cap 31 and the negative electrode cap 32 extend outward from the receiving cavity. The lower surface of the integrated circuit board 30 is provided with two conductive terminals 33, which are electrically connected to the positive and negative electrodes of the integrated circuit board 30, respectively. The battery cell 40 is provided with two conductive springs 41, which are electrically connected to the two conductive terminals 33, respectively.
[0029] Please see Figure 3 , Figure 4 and Figure 5 The conductive terminal 33 includes a soldering portion 331 connected to the integrated circuit board 30, an elastic portion 332 connected to the soldering portion 331, and an abutment portion 333 connected to the elastic portion 332. Both conductive springs 41 abut against the abutment portions 333 of the conductive terminal 33. The elastic portion 332 extends from one end of the soldering portion 331 in an arc shape and hangs above the soldering portion 331. The abutment portion 333 extends downwards in an arc shape from the end of the elastic portion 332. In this embodiment, the abutment portion 333 extends towards the conductive spring 41 and is electrically connected to the conductive spring 41. In this embodiment, the elastic force of the elastic part 332 can ensure the contact force between the conductive terminal 33 and the conductive spring piece 41. Furthermore, the arc-shaped bending and downward extension of the contact part 333 can further enhance the contact force between the conductive terminal 33 and the conductive spring piece 41, thereby effectively avoiding poor contact and circuit failure due to insufficient elasticity of the conductive terminal 33.
[0030] The welding portion 331 firmly fixes the conductive terminal 33 to the integrated circuit board 30, ensuring a stable and reliable electrical connection between the two. The elastic portion 332 is the intermediate part connecting the welding portion 331 and the abutment portion 333, and it has a certain curvature and elasticity. The main function of the elastic portion 332 is to provide the necessary elasticity and deformation capacity to accommodate the slight displacement or deformation that may occur in the conductive spring 41 during the connection process. This elasticity and deformation capacity ensures that the conductive spring 41 and the abutment portion 333 always maintain a tight contact, thereby ensuring the reliability of the electrical connection.
[0031] The welding part 331 is provided with a limiting part 334 that bends downward in an arc shape. The limiting part 334 can prevent the solder from adhering to the elastic part 332 when the conductive terminal 33 is welded to the integrated circuit board 30, thus preventing the elastic part 332 from losing its elasticity.
[0032] Each of the conductive springs 41 includes an elastic connection portion 411 that connects to the battery cell 40 and a contact portion 412 that extends obliquely from the end of the elastic connection portion 411 toward the conductive terminal 33, the contact portion 412 abutting against the conductive terminal 33.
[0033] Please see Figure 5 and Figure 6 The inner surface of the first housing 10 is recessed with a mounting groove 11, and a support portion 111 is inclinedly provided on one side of the inner wall of the mounting groove 11. The support portion 111 is used to keep the contact portion 412 in contact with the inner wall of the mounting groove 11. The integrated circuit board 30 and the contact portion 412 are installed in the mounting groove 11. The free end of the contact portion 412 of the conductive spring 41 is provided with a fixing portion 413, which is sandwiched between the side edge of the integrated circuit board 30 and the first housing 10.
[0034] At least one of the first housing 10 and the second housing 20 has a clearance groove 12. The integrated circuit board 30 is provided with a USB port 34, which is accommodated within the clearance groove 12. An external data cable passes through the clearance groove 12 and connects to the USB port 34 to realize charging or data exchange functions.
[0035] The first housing 10 and the second housing 20 are connected by ultrasonic welding, interlocking, or magnetic attraction. Preferably, the first housing 10 and the second housing 20 are connected by interlocking, which allows for easy opening to replace the battery cell 40. One side of the battery cell 40 is covered with adhesive, which secures the battery cell 40 to the first housing 10.
[0036] The novel 9V battery provided by this utility model, by setting the conductive terminal 33 with the elastic part 332 and the abutting part 333 of the conductive terminal 33 abutting against the conductive spring sheet 41, can ensure that the conductive terminal 33 has sufficient elastic force for stable contact, thereby avoiding poor contact due to insufficient elastic force and resulting in circuit failure.
[0037] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.
Claims
1. A new 9V battery characterized by: The battery includes a first shell, a second shell, an integrated circuit board and an electric core. The first shell and the second shell jointly enclose a receiving cavity. The integrated circuit board and the electric core are located in the receiving cavity. The upper surface of the integrated circuit board is provided with a positive electrode cap and a negative electrode cap 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 outwardly from the receiving cavity. The lower surface of the integrated circuit board is provided with two conductive terminals. The two conductive terminals are electrically connected with the positive electrode and the negative electrode of the integrated circuit board respectively. The electric core is provided with two conductive springs. The two conductive springs are electrically connected with the two conductive terminals respectively.
2. The novel 9V battery of claim 1, wherein: The conductive terminal includes a welding portion connected with the integrated circuit board, an elastic portion connected with the welding portion and an abutting portion connected with the elastic portion. The two conductive springs abut against the abutting portion of the conductive terminal.
3. The novel 9V battery of claim 2, wherein: The elastic portion extends from one end of the welding portion in an arc shape and suspends above the welding portion. The abutting portion extends downward from the end of the elastic portion in an arc shape.
4. The novel 9V battery of claim 3, wherein: The welding portion is provided with a limiting portion extending downward in an arc shape.
5. The novel 9V battery of claim 1, wherein: Each conductive spring includes an elastic connecting portion connected with the electric core and a contact portion extending from the end of the elastic connecting portion toward the conductive terminal in an inclined manner. The contact portion abuts against the conductive terminal.
6. The novel 9V battery of claim 5, wherein: The inner surface of the first shell is concavely provided with a mounting groove. The inner wall of one side of the mounting groove is provided with a support portion in an inclined manner. The support portion is used for keeping the contact portion attached to the inner wall of the mounting groove. The integrated circuit board and the contact portion are mounted in the mounting groove.
7. The novel 9V battery of claim 6, wherein: The free end of the contact portion of the conductive spring is provided with a fixing portion. The fixing portion is clamped between the side edge of the integrated circuit board and the first shell.
8. The novel 9V battery of claim 1, wherein: At least one of the first shell and the second shell is provided with a avoiding groove. The integrated circuit board is provided with a USB port. The USB port is accommodated in the avoiding groove.
9. The novel 9V battery of claim 1, wherein: The first shell and the second shell are connected by ultrasonic welding, mutual buckling or magnetic attraction.
10. The novel 9V battery of claim 1, wherein: The electric core is pasted with a back adhesive. The electric core is fixed to the first shell by the back adhesive.