PCIE display card buckle structure
By incorporating elastic fixing pieces and snap-fit holes on the side of the card slot, the problem of unstable PCIe card installation is solved, enabling rapid installation and stable connection, thus enhancing the reliability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 东莞市永邦电子科技有限公司
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-07
AI Technical Summary
Existing PCIe cards lack stability during installation and are prone to being pulled out of the slot due to pulling force, resulting in unstable contact or even damage.
An elastic retaining plate is provided on the side of the card slot, and a contact part is provided at the bottom of the PCIe card. The inclined design of the elastic retaining plate and the snap-fit hole are used to achieve snap-fit fixation. Combined with screw fixation and the embedding of plastic parts, the stable connection of the card slot is ensured.
It enables quick installation and removal of PCIe cards, improves installation stability, prevents card slots from falling out, and enhances device reliability.
Smart Images

Figure CN224471997U_ABST
Abstract
Description
Technical fields:
[0001] This utility model relates to the field of PCIE installation, and specifically to a PCIE graphics card mounting structure. Background technology:
[0002] PCI Express (PCIe) is a high-speed serial computer expansion bus standard that uses a point-to-point serial communication architecture, replacing the traditional PCI and AGP buses. Its advantages include high bandwidth (e.g., PCIe 4.0 x16 single-lane can reach 32GB / s), low latency, and scalability (flexible adaptation to different devices through x1 / x4 / x8 / x16 lane configuration). PCIe supports hot-swapping and full-duplex communication, and is widely used in high-performance devices such as graphics cards, SSDs, and network cards. Its backward compatibility design ensures a smooth generational transition. The current PCIe 6.0 standard further increases the transmission rate to 64GT / s while maintaining electrical compatibility with older versions.
[0003] Chinese Patent Publication No. CN 220271846 U discloses a PCIe card fixing structure, including a bracket, a PCIe card, and a limiting mechanism. The bracket has a card slot; the PCIe card is inserted into the card slot; the limiting mechanism includes a guide rod, a telescopic spring, and a limiting member. The guide rod is connected to the bracket and passes through the limiting member through a guide hole. The telescopic spring is sleeved on the guide rod, allowing the limiting member to move along the guide rod from a first position to a second position. When the limiting member is in the first position, it avoids the PCIe card; when it is in the second position, it contacts the PCIe card. This utility model, through the coordinated operation of the guide rod, the telescopic spring, and the limiting member, enables tool-free installation and removal of the PCIe card, facilitating rapid installation and removal of the PCIe card.
[0004] As described in the aforementioned patent, most PCIe cards on the market are currently installed by fixing one end, and the PCIe card is inserted into the card slot and uses an interference fit to spring into place. However, this method of installation is not stable enough. When the unfixed end of the PCIe card is subjected to a pulling force, it is easy to come out of the card slot, resulting in unstable contact and even damage to the PCIe card.
[0005] In view of the above, the inventors propose the following technical solution. Utility model content:
[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a PCIE graphics card mounting structure.
[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a PCIE graphics card fastening structure, comprising: a card slot for inserting a PCIE card, an elastic fixing piece for elastically fastening the PCIE card on the side of the card slot, a contact part for pressing and fastening with the elastic fixing piece at the lower end of the PCIE card, and the elastic fixing piece being inclinedly fixed on the circuit board and having a snap-fit hole for fastening with the contact part.
[0008] Furthermore, in the above technical solution, the elastic fixing piece is located at one end of the slot, its upper end is inclined toward one side of the slot and extends to the bottom of the contact portion, and the lower end of the contact portion is provided with a chamfered surface for contacting the elastic fixing piece.
[0009] Furthermore, in the above technical solution, the upper end of the elastic fixing piece is provided with a folding part for contacting the contact part, and the snap-fit hole is located below the folding part.
[0010] Furthermore, in the above technical solution, the folding part is arc-shaped or has a reverse slope.
[0011] Furthermore, in the above technical solution, the bottom of the card slot is fixed to the circuit board by multiple screws, and the card slot is also provided with at least two terminals that penetrate downward through the circuit board and are used for electrical connection.
[0012] Furthermore, in the above technical solution, the two ends of the card slot are also provided with a first elastic plastic part and a second plastic part for contacting the PCIe card. The first elastic plastic part and the second plastic part are respectively snapped into the two ends of the card slot, wherein the first elastic plastic part is horizontally embedded in one end of the card slot, and the second elastic plastic part is vertically embedded in the other end of the card slot.
[0013] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: In the present invention, an elastic fixing piece is set on the side of the card slot to fix the PCIE card. When the PCIE card is inserted into the card slot, the contact part of the PCIE card contacts the upper end of the elastic fixing piece and pushes it to swing open elastically, so that the contact part is snapped into the buckle hole, thereby realizing the limiting and fixing of the PCIE card. Attached image description:
[0014] Figure 1 This is an installation diagram of this utility model;
[0015] Figure 2 This is a disassembly diagram of the present invention;
[0016] Figure 3 This is an exploded view of the present invention. Detailed implementation method:
[0017] The present invention will be further described below with reference to specific embodiments and accompanying drawings.
[0018] See Figures 1 to 3 The diagram illustrates a PCIe graphics card mounting structure, including a slot 2 for inserting a PCIe card 1. An elastic retaining piece 3 is located on the side of the slot 2 to elastically fasten the PCIe card 1. The lower end of the PCIe card 1 has a contact portion 11 for pressing against and engaging with the elastic retaining piece 3. The elastic retaining piece 3 is obliquely fixed to a circuit board 4 and has a latching hole 31 for engaging with the contact portion 11. By using the elastic retaining piece 3 on the side of the slot 2 to fasten the PCIe card 1, when the PCIe card 1 is inserted into the slot 2, the contact portion 11 of the PCIe card 1 contacts the upper end of the elastic retaining piece 3, pushing it to elastically open, causing the contact portion 11 to engage into the latching hole 31, thus achieving the limiting and fixing of the PCIe card 1.
[0019] The elastic fixing piece 3 is located at one end of the slot 2, with its upper end inclined toward the slot 2 and extending below the contact portion 11. The lower end of the contact portion 11 is provided with a chamfered surface 111 for contacting the elastic fixing piece 3. By tilting the elastic fixing piece 3 toward the slot 2, when the chamfered surface 111 of the contact portion 11 contacts, it will push the elastic fixing piece 3 to swing backward, so that the contact portion 11 can be engaged downward with the buckle hole 31. Because the elastic fixing piece 3 is tilted and elastically fastened to the contact portion 11, it can ensure that when pulled out vertically, the elastic fixing piece 3 is stably fastened to the contact portion 11 and is not easy to fall off.
[0020] The upper end of the elastic fixing piece 3 is provided with a folding part 32 for contacting the contact part 11, and the snap-fit hole 31 is located below the folding part 32. The folding part 32 is arc-shaped or has a reverse bevel. By providing a folding part 32 at the upper end of the elastic fixing piece 3 to contact the PCIe card 1, the contact part 11 can smoothly press and push the elastic fixing piece 3 to elastically open, realizing the quick installation of the PCIe card 1.
[0021] The bottom of the slot 2 is fixed to the circuit board 4 by multiple screws. The slot 2 is also provided with at least two terminals that penetrate downward through the circuit board 4 and are used for electrical connection.
[0022] The card slot 2 is also provided with a first elastic plastic part 21 and a second plastic part for contacting the PCIE card 1 at both ends. The first elastic plastic part and the second plastic part are respectively snapped into the two ends of the card slot 2. The first elastic plastic part is horizontally embedded in one end of the card slot 2, and the second elastic plastic part is vertically embedded in the other end of the card slot 2.
[0023] In summary, this invention employs an elastic fixing piece 3 with a reverse bevel on the side of the card slot 2. The elastic fixing piece 3 is elastically fastened to the contact portion 11 of the PCIe card 1, thus securing one end of the PCIe card 1. When it is necessary to remove the PCIe card 1, the other end of the PCIe card 1 is lifted, causing the contact portion 11 to swing and disengage from the latching hole 31, allowing the PCIe card 1 to be pulled out of the card slot 2.
[0024] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.
Claims
1. A PCIE graphics card mounting structure, comprising a card slot (2) for inserting a PCIE card (1), characterized in that: The side of the card slot (2) is provided with an elastic fixing piece (3) for elastically fastening the PCIE card (1). The lower end of the PCIE card (1) is provided with a contact part (11) for pressing and fastening with the elastic fixing piece (3). The elastic fixing piece (3) is tilted and fixed on the circuit board (4) and is provided with a snap hole (31) for fastening with the contact part (11).
2. The PCIe graphics card mounting structure according to claim 1, characterized in that: The elastic fixing piece (3) is located at one end of the slot (2), with its upper end inclined toward the slot (2) and extending to the lower part of the contact part (11). The lower end of the contact part (11) is provided with a chamfered surface (111) for contacting the elastic fixing piece (3).
3. The PCIe graphics card mounting structure according to claim 1, characterized in that: The upper end of the elastic fixing piece (3) is provided with a folding part (32) for contacting the contact part (11), and the buckle hole (31) is located below the folding part (32).
4. The PCIe graphics card mounting structure according to claim 3, characterized in that: The folded portion (32) is arc-shaped or has a reverse slope.
5. A PCIe graphics card mounting structure according to any one of claims 1-4, characterized in that: The bottom of the slot (2) is fixed to the circuit board (4) by multiple screws. The slot (2) also has at least two terminals that penetrate the circuit board (4) downwards and are used for electrical connection.
6. The PCIe graphics card mounting structure according to claim 5, characterized in that: The card slot (2) is also provided with a first elastic plastic part and a second plastic part for contacting the PCIE card (1) at both ends. The first elastic plastic part and the second plastic part are respectively snapped into the two ends of the card slot (2). The first elastic plastic part is horizontally embedded in one end of the card slot (2), and the second elastic plastic part is vertically embedded in the other end of the card slot (2).