Novel conductive elastic sheet and light blocking support in-mold forming integrated structure
By using a novel integrated structure of conductive spring and light-blocking bracket molded in-mold, the problem of complex installation and poor contact of spring ejector pins in devices such as smartwatches is solved, achieving more stable electrical connection and simplified installation, making it suitable for electronic devices with limited space.
Patent Information
- Application Number
- CN202422866520.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing spring-loaded pins are complex to install in electronic devices and are prone to poor electrical contact, especially in space-constrained applications such as smartwatches, where it is difficult to achieve a stable electrical connection.
A novel integrated structure of conductive spring and light-blocking bracket is designed, comprising an upper spring, a lower spring, and a fixing part, which respectively abut against the conductive coating and the PCB board, and are fixed by the light-blocking bracket, thereby enhancing the stability of electrical connection and simplifying the installation process.
It improves the stability of electrical connections and simplifies the installation process, adapting to the needs of smaller electronic devices, especially wearable devices such as smartwatches, enabling thinner, more aesthetically pleasing, and more functional device designs.
Smart Images

Figure CN223583264U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic equipment connecting accessory technical field especially relates to a novel conductive spring piece and light blocking support moulding integrated structure. BACKGROUND
[0002] At present, the demand of intelligent equipment such as smart phone, wearable device, unmanned plane and the like for connector is growing, PogoPin (i.e. spring needle applied in electronic product, is composed of needle shaft, spring, needle tube three basic components, can play the signal transmission connection function) because it can provide stable signal transmission, especially in the application scene needing frequent plugging, shows its importance.
[0003] However, the existing spring needle is applied in electronic watch, it can only be installed vertically between glass cover plate (i.e. dial) and PCB board, because the needle shaft of spring needle is very small, possibly leads to electric contact bad, in addition, the installation process of small spring needle is more complex, under this background condition, the applicant devotes to researching a novel conductive spring piece and light blocking support moulding integrated structure, realizes further enhancement of the stability of electric connection, further simplifies installation process. UTILITY MODEL CONTENT
[0004] The utility model aims at realizing further enhancement of the stability of electric connection in smaller space, further simplifying installation process.
[0005] In order to realize the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A novel conductive spring piece and light blocking support moulding integrated structure, including PCB board, light blocking support, conductive spring piece and glass cover plate, the PCB board, light blocking support and glass cover plate are sequentially fixed in proper order, the glass cover plate is fixed with conductive coating, the conductive spring piece includes upper spring piece, lower spring piece and fixed part, the upper spring piece and lower spring piece are fixed on the fixed part, the fixed part is fixed in the light blocking support, the upper spring piece is in abutment with the conductive coating, and the lower spring piece is in abutment with the PCB board and is electrically connected.
[0007] Further, the light blocking support is provided with accommodating space, and the upper spring piece and the lower spring piece are located in the accommodating space.
[0008] Further, the upper spring piece, the lower spring piece and the fixed part are integrally formed.
[0009] Further, the PCB board is provided with PCB back adhesive.
[0010] Further, the fixed part is provided with perforation.
[0011] Further, the conductive coating has a C-shaped cross section.
[0012] Further, the conductive coating is located at the periphery of the glass cover plate.
[0013] The utility model discloses the beneficial effect is: the utility model discloses through with the upper elastic sheet and the conductive coating, the lower elastic sheet and PCB board are in contact and electrically connected, so that the conductive coating on the glass cover plate and PCB board, both realize electrically connected through the conductive elastic sheet, because the fixed part of conductive elastic sheet is fixedly arranged in the light blocking support, makes the conductive elastic sheet whole not easy to produce displacement, and because the upper elastic sheet, lower elastic sheet respectively stick to the conductive coating and PCB board in two directions of up and down, compared with the fine needle shaft contact conductive of traditional technology using spring needle, the utility model discloses the contact area of the upper elastic sheet, lower elastic sheet with the conductive coating and PCB board is larger respectively, reduces the risk of contact failure, to further enhance the stability of electrically connected, in addition, because the upper elastic sheet, lower elastic sheet has good elasticity, after its design is larger in size, still can be compressed and installed between the conductive coating and PCB board, compared with the installation process of fine spring needle in traditional technology, the installation of the utility model is simpler, to further simplify the installation process. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structure schematic diagram of the utility model;
[0015] Figure 2 It is the overall structure cross section view of the utility model;
[0016] Figure 3 It is the overall structure explosion drawing of the utility model;
[0017] Figure 4 It is the structure schematic diagram of the light blocking support of the utility model;
[0018] Figure 5 It is the structure schematic diagram of the conductive elastic sheet of the utility model;
[0019] The figure mark is:
[0020] PCB board 1, light blocking support 2, contain space 21,
[0021] Conductive elastic sheet 3, upper elastic sheet 31, lower elastic sheet 32, fixed part 33,
[0022] Glass cover plate 4, conductive coating 5. DETAILED DESCRIPTION
[0023] The utility model is further explained below in connection with the drawings.
[0024] As Figures 1 to 5A novel conductive spring and light blocking support in-mold forming integrated structure is shown, including a PCB board 1, a light blocking support 2, a conductive spring 3, and a glass cover plate 4.
[0025] The PCB board 1, the light blocking support 2, and the glass cover plate 4 are sequentially fixed and arranged, that is, the light blocking support 2 is fixed between the PCB board 1 and the glass cover plate 4, and the PCB board 1 is provided with a PCB back adhesive.
[0026] The glass cover plate 4 is fixedly provided with a conductive coating 5, the cross section of the conductive coating 5 is C-shaped, and the conductive coating 5 is located at the periphery of the glass cover plate 4.
[0027] The conductive spring 3 includes an upper spring 31, a lower spring 32, and a fixed part 33, the upper spring 31 and the lower spring 32 are fixed on the fixed part 33, and in this embodiment, the more specific structure is that the upper spring 31, the lower spring 32, and the fixed part 33 are integrally formed.
[0028] In this embodiment, the conductive spring 3 is made of a material with high elasticity and high conductivity (stainless steel or copper, with a plating layer such as gold plating), to ensure stable electrical connection and good mechanical properties, the conductive spring 3 is manufactured to have a specific shape and size by precise stamping and forming technology, to adapt to different installation environments and electrical requirements; a conductive plating layer (such as gold plating) is added to the surface of the conductive spring 3 to improve its conductivity and corrosion resistance; the conductive spring 3 is subjected to appropriate heat treatment to improve its hardness and elasticity, to ensure long-term stable fatigue resistance.
[0029] The fixed part 33 is fixedly arranged in the light blocking support 2, the upper spring 31 abuts against the conductive coating 5, and the lower spring 32 abuts against and is electrically connected to the PCB board 1, by abutting the upper spring 31 against the conductive coating 5 and abutting the lower spring 32 against the PCB board 1, the conductive coating 5 on the glass cover plate 4 and the PCB board 1 are electrically connected through the conductive spring 3.
[0030] The light blocking support 2 is provided with a containing space 21, the upper spring 31 and the lower spring 32 are located in the containing space 21, since the fixed part 33 of the conductive spring 3 is fixedly arranged in the light blocking support 2, the conductive spring 3 as a whole is not prone to displacement, and since the upper spring 31 and the lower spring 32 respectively abut against the conductive coating 5 and the PCB board 1 in upward and downward directions, the contact area of the upper spring 31 and the lower spring 32 with the conductive coating 5 and the PCB board 1 is larger, reducing the risk of poor contact, thereby further enhancing the stability of the electrical connection.
[0031] Due to the good elasticity of the upper elastic sheet 31 and the lower elastic sheet 32, the upper elastic sheet 31 and the lower elastic sheet 32 can be compressed and installed between the conductive coating 5 and the PCB 1 after being designed to have a larger size, and the installation of the utility model is simpler compared with the installation process of the small spring needle in the prior art, thereby further simplifying the installation process.
[0032] The fixing part 33 is provided with a through hole.
[0033] Since the needle tube length of the spring needle in the prior art is fixed, a distance greater than the needle tube length needs to be reserved between the glass cover plate 4 and the PCB 1, and it is difficult to make the electronic product thinner, and the upper elastic sheet 31 and the lower elastic sheet 32 used in the utility model have elasticity and are compressed between the glass cover plate 4 and the PCB 1, and the distance between the glass cover plate 4 and the PCB 1 can be further shortened according to actual needs, so that the electronic product can be made thinner.
[0034] The utility model can adapt to more fine electronic equipment connection demand, especially in the environment with limited space, such as under the glass dial of a smart watch; the utility model can install more electronic components in limited space, and is especially suitable for devices with strict space requirements, such as smart watches, precision instruments and the like; the utility model can realize uniform distribution of the conductive elastic sheet 3 in the structure position, better arrangement and fixing of the device, and guarantee the appearance and functionality of the device; the utility model is mainly used for connecting the conductive coating 5 on the glass cover plate 4 and the PCB 1 below, ensuring stable transmission of power and signals, easy assembly and maintenance, and adapting to the needs of mass production and rapid replacement.
[0035] The design target of the utility model is to realize more fine use and smaller space occupation while maintaining electrical connection performance, and the design makes the conductive elastic sheet 3 uniformly distributed in the dial position, providing accurate placement positions for electronic devices, and the design is especially suitable for smart watches and other wearable health monitoring devices, which are limited in space but have high requirements for electrical connection performance.
[0036] The fine design of the utility model allows more connection points in limited space, improving the connection density of the device; the ultra-thin conductive elastic sheet 3 and the light blocking support 2 designed in the utility model occupy less space, leaving more space for other components, which helps to realize miniaturization and thinning of the device; the uniform distribution of the structure of the utility model not only improves the appearance of the device, but also enhances its functionality, making the layout of the device more reasonable and effective.
[0037] The utility model discloses the design of integral type structure helps to improve the reliability of power and signal connection, reduces the equipment failure of the bad contact, the utility model discloses can adapt to different installation environment and requirement, including in the use of smart watch etc. Wearable device, the utility model discloses the design of integral type structure simplifies the manufacturing and installation process, thereby improves production efficiency and reduces cost, through the optimization connection mode, help to promote the performance of overall equipment, including power transmission efficiency and signal stability.
[0038] The above disclosed is only the preferred embodiment of the utility model, and cannot be used to limit the right protection range of the utility model, therefore, the equivalent change made on the patent application range of the utility model still belongs to the range covered by the utility model, and the above is not any limitation on the technical range of the utility model, and any modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model still belongs to the range of the technical scheme of the utility model.
Claims
1. A novel integrated structure of conductive spring sheet and light-blocking bracket formed in-mold, characterized in that: The device includes a PCB board, a light-blocking bracket, conductive springs, and a glass cover. The PCB board, light-blocking bracket, and glass cover are fixedly arranged in sequence. A conductive coating is fixedly arranged on the glass cover. The conductive spring includes an upper spring, a lower spring, and a fixing part. The upper spring and the lower spring are both fixed on the fixing part. The fixing part is fixedly arranged inside the light-blocking bracket. The upper spring abuts against the conductive coating, and the lower spring abuts against and is electrically connected to the PCB board.
2. The novel integrated structure of conductive spring sheet and light-blocking bracket molded in-mold according to claim 1, characterized in that: The light-blocking bracket has an accommodating space inside, and the upper and lower spring sheets are located within the accommodating space.
3. The novel integrated structure of conductive spring sheet and light-blocking bracket molded in-mold according to claim 1, characterized in that: The upper spring sheet, lower spring sheet, and fixing part are integrally formed.
4. The novel integrated structure of conductive spring sheet and light-blocking bracket molded in-mold according to claim 1, characterized in that: The PCB board is provided with PCB adhesive.
5. The novel integrated structure of conductive spring sheet and light-blocking bracket molded in-mold according to claim 1, characterized in that: The fixing part has a through hole.
6. The novel integrated structure of conductive spring sheet and light-blocking bracket molded in-mold according to claim 1, characterized in that: The conductive coating has a C-shaped cross-section.
7. A novel integrated structure of conductive spring sheet and light-blocking bracket molded in-mold according to any one of claims 1-6, characterized in that: The conductive coating is located on the periphery of the glass cover.