Shielding protection structure for PC (personal computer) board of pen-type electronic device
By incorporating support rods, sliding sleeves, screw sleeves, and metal wire structures within the laptop PC board, the issues of the laptop PC board's sensitivity to electromagnetic interference and its tendency to detach are resolved, achieving signal shielding and buffering effects and improving the device's lifespan.
Patent Information
- Application Number
- CN202422823057.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Laptop PC boards are sensitive to electromagnetic interference within the substrate carrier. External signals can interfere with the internal circuitry, and the boards themselves have low rigidity, making them prone to detachment due to vibration.
It adopts a structure of support rods, sliding sleeves, screw sleeves, protective pads and metal wires inside the plate. The induced current generated by the metal wires cancels out external electromagnetic interference, and the protective pads buffer the impact of falling.
It achieves signal shielding, reduces external electromagnetic interference, extends equipment lifespan, and reduces damage from drops.
Smart Images

Figure CN223515223U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of laptop PC board technology, specifically a shielding and protection structure for laptop PC boards. Background Technology
[0002] The PC board in a laptop is the substrate carrier of the PC circuit board inside the laptop. The PC circuit board is usually placed inside the substrate carrier. The power button sends signals to the power management chip through the circuit on the PC board. The power management chip then controls the battery or external power supply to power other hardware and other operations.
[0003] The aforementioned and existing related technologies often have the following drawbacks: In PC board applications, the PC board inside the substrate carrier is particularly sensitive to electromagnetic interference. External signals can cause certain interference to the internal circuits, while also increasing the influence of the device's own signals on the outside world. Furthermore, the PC board substrate carrier itself has low rigidity, and when the entire device is dropped from a height, the internal PC board can easily detach due to vibration.
[0004] Therefore, we propose a shielding and protection structure for laptop PC boards. Utility Model Content
[0005] The purpose of this invention is to provide a shielding and protection structure for laptop PC boards to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a shielding and protective structure for a laptop PC board, comprising a board body, four support rods uniformly and fixedly connected to the inner wall of the board body, a sliding sleeve slidably connected to the arc surface of the support rod, a threaded sleeve abutting against the upper surface of the sliding sleeve, the inner wall of the threaded sleeve being threadedly connected to the support rod, a connecting frame fixedly connected to the arc surface of the sliding sleeve, a protective pad fixedly connected to the other side of the connecting frame, the inner wall of the protective pad abutting against the board body, an inner groove formed in the inner wall of the protective pad, and a metal wire slidably connected to the inner wall of the inner groove.
[0007] The aforementioned components achieve the following effects: they shield the signal of the PC board inside the board while improving its own service life, thereby minimizing the possibility that the PC board inside the board is susceptible to external electromagnetic interference, which could cause interference to the internal circuitry and increase the impact of the device's own signals on the outside world.
[0008] Preferably, each of the four protective pads is fixedly connected to an elastic rope on one side that is close to each other, and the arc surface of the elastic rope abuts against the plate.
[0009] The effect achieved by the above components is that the movement of the protective pads causes the elastic rope to contract, and the elastic rope serves to connect and integrate the four protective pads.
[0010] Preferably, a round rod is fixedly connected to the upper end of the support rod, the inner wall of the sliding sleeve is slidably connected to the arc surface of the round rod, and the inner wall of the threaded sleeve is slidably connected to the arc surface of the round rod.
[0011] The effect achieved by the above components is that the threaded sleeve slides from the arc surface of the round rod to the arc surface of the support rod, and the round rod achieves the effect of guiding the threaded sleeve to a position in advance so that it can rotate with the support rod more quickly.
[0012] Preferably, both ends of the metal wire are fixedly connected to connecting strips, and both sides of the connecting strips abut against the inner wall of the inner groove.
[0013] The aforementioned components achieve the following effect: the connecting strip moves the metal wire into the inner groove, and the connecting strip facilitates the removal and replacement of the metal wire.
[0014] Preferably, a locking block is fixedly connected to the side of the connecting strip away from the metal wire, and two locking grooves are opened on the inner wall of the protective pad. Both locking grooves are connected to the inner groove, and the surface of the locking block is slidably connected to the inner wall of the locking groove.
[0015] The effect achieved by the above components is that the connecting strip drives the locking block to move into the slot, and the locking block improves the stability between the connecting strip and the inner slot.
[0016] Compared with the prior art, the beneficial effects of this utility model are: it achieves the effect of signal shielding of the PC board inside the board while improving its service life. Through the metal wire outside the board, when the external electromagnetic signal encounters the metal wire, an induced current will be generated on the surface of the metal wire. This induced current will generate an electromagnetic field opposite to the direction of the external electromagnetic field, thereby canceling or weakening the external signal and achieving the shielding effect. In addition, with the contact between the protective pad and the board, the device can be buffered to a certain extent when dropped, reducing the possibility of direct contact and collision with the board, thereby improving the service life of the PC board. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the sliding sleeve of this utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the support rod of this utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the metal wire in this utility model.
[0021] In the diagram: 1. Plate; 2. Support rod; 3. Sliding sleeve; 4. Threaded sleeve; 5. Connecting frame; 6. Protective pad; 7. Metal wire; 8. Elastic rope; 9. Round rod; 10. Connecting strip; 11. Locking block; 12. Locking groove; 13. Inner groove. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1-4 This utility model provides a technical solution: a shielding and protection structure for a laptop PC board, including a board body 1. Four support rods 2 are uniformly fixedly connected to the inner wall of the board body 1. Sliding sleeves 3 are slidably connected to the arc surface of the support rods 2. A screw sleeve 4 abuts against the upper surface of the sliding sleeve 3. The inner wall of the screw sleeve 4 is threadedly connected to the support rod 2. A connecting frame 5 is fixedly connected to the arc surface of the sliding sleeve 3. A protective pad 6 is fixedly connected to the other side of the connecting frame 5. The inner wall of the protective pad 6 abuts against the board body 1. An inner groove 13 is formed on the inner wall of the protective pad 6. A metal wire 7 is slidably connected to the inner wall of the inner groove 13. This achieves the effect of shielding the PC board inside the board body 1 from signals while improving its own service life. This minimizes the problem of the PC board inside the board body 1 being easily affected by external electromagnetic interference, which could cause certain interference to the internal circuits and increase the impact of the device's own signals on the outside world.
[0024] like Figure 2 and Figure 3 as well as Figure 4 As shown, elastic ropes 8 are fixedly connected to the sides of the four protective pads 6 that are close to each other. The arc surface of the elastic rope 8 abuts against the plate 1. The movement of the protective pads 6 causes the elastic ropes 8 to contract. The elastic ropes 8 serve to connect and integrate the four protective pads 6. A round rod 9 is fixedly connected to the upper end of the support rod 2. The inner wall of the sliding sleeve 3 is slidably connected to the arc surface of the round rod 9. The inner wall of the screw sleeve 4 is slidably connected to the arc surface of the round rod 9. The screw sleeve 4 slides from the arc surface of the round rod 9 to the arc surface of the support rod 2 to rotate. The round rod 9 achieves the effect of guiding the screw sleeve 4 to rotate with the support rod 2 more quickly.
[0025] Both ends of the metal wire 7 are fixedly connected to connecting strips 10. Both sides of the connecting strips 10 abut against the inner wall of the inner groove 13. The connecting strips 10 drive the metal wire 7 to move into the inner groove 13. The connecting strips 10 facilitate the removal and replacement of the metal wire 7. A locking block 11 is fixedly connected to the side of the connecting strip 10 away from the metal wire 7. Two locking slots 12 are opened on the inner wall of the protective pad 6. Both locking slots 12 are connected to the inner groove 13. The surface of the locking block 11 is slidably connected to the inner wall of the locking slot 12. The connecting strip 10 drives the locking block 11 to move into the locking slot 12. The locking block 11 achieves the effect of improving the stability between the connecting strip 10 and the inner groove 13.
[0026] Working principle: When signal shielding of the laptop PC board inside board 1 is required, firstly, the connecting strip 10 moves the metal wire 7 into the inner groove 13 of the inner wall of the protective pad 6. The connecting strip 10 facilitates the removal and replacement of the metal wire 7. After the locking block 11 is inserted into the locking slot 12 through the movement of the connecting strip 10, the locking block 11 improves the stability between the connecting strip 10 and the inner groove 13. The protective pad 6 is squeezed and limited by its own elasticity. Then, the protective pad 6 is moved to the top of board 1. At this time, the elastic rope 8 is stretched through the movement of the protective pad 6. The elastic rope 8 connects and integrates the four protective pads 6. Then, the protective pad 6 is lowered. The connecting bracket 5 drives the sliding sleeve 3 from the arc surface of the round rod 9 to the arc surface of the support rod 2 through the protective pad 6, and finally fits against the inner wall of board 1. Then, the screw sleeve 4 is lowered from the arc surface of the round rod 9 and moved to the arc surface of the support rod 2. The round rod 9 guides the screw sleeve 4 to rotate faster with the support rod 2. As the screw sleeve 4 rotates, it moves from the arc surface of the support rod 2 by its own thread until it is in contact with the sliding sleeve 3. Then the screw sleeve 4 is released. At this time, the sliding sleeve 3 is limited by its contact with the screw sleeve 4 and the inner wall of the plate 1. Thus, the protective pad 6 is limited to the surface of the plate 1 by the connecting frame 5. When the external electromagnetic signal encounters the metal wire 7 outside the plate 1, an induced current will be generated on the surface of the metal wire 7. This induced current will generate an electromagnetic field opposite to the direction of the external electromagnetic field, thereby canceling or weakening the external signal and achieving the shielding effect. In addition, the contact between the protective pad 6 and the plate 1 allows the equipment to be cushioned to a certain extent when it is dropped, reducing the possibility of direct contact and collision of the plate 1, thereby improving the service life of the PC plate 1.
[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A shielding and protection structure for a laptop PC board, comprising a board body (1), characterized in that: Four support rods (2) are uniformly fixedly connected to the inner wall of the plate (1). A sliding sleeve (3) is slidably connected to the arc surface of the support rod (2). A threaded sleeve (4) abuts against the upper surface of the sliding sleeve (3). The inner wall of the threaded sleeve (4) is threadedly connected to the support rod (2). A connecting frame (5) is fixedly connected to the arc surface of the sliding sleeve (3). A protective pad (6) is fixedly connected to the other side of the connecting frame (5). The inner wall of the protective pad (6) abuts against the plate (1). An inner groove (13) is opened on the inner wall of the protective pad (6). A metal wire (7) is slidably connected to the inner wall of the inner groove (13).
2. The laptop PC board shielding and protection structure according to claim 1, characterized in that: Each of the four protective pads (6) is fixedly connected to an elastic rope (8) on one side close to the other, and the arc surface of the elastic rope (8) abuts against the plate (1).
3. The laptop PC board shielding and protection structure according to claim 1, characterized in that: The upper end of the support rod (2) is fixedly connected to a round rod (9), the inner wall of the sliding sleeve (3) is slidably connected to the arc surface of the round rod (9), and the inner wall of the screw sleeve (4) is slidably connected to the arc surface of the round rod (9).
4. The laptop PC board shielding and protection structure according to claim 1, characterized in that: Both ends of the metal wire (7) are fixedly connected to connecting strips (10), and both sides of the connecting strips (10) abut against the inner wall of the inner groove (13).
5. The laptop PC board shielding and protection structure according to claim 4, characterized in that: The connecting strip (10) is fixedly connected to a locking block (11) on the side away from the metal wire (7). The inner wall of the protective pad (6) has two locking grooves (12), both of which are connected to the inner groove (13). The surface of the locking block (11) is slidably connected to the inner wall of the locking groove (12).