Multichannel PCIE (Peripheral Component Interface Express) extended circuit board

By employing a flexible snap-fit ​​structure on the multi-channel PCIe expansion circuit board, the problem of loose connection between the core circuit board and the multi-channel PCIe expansion card is solved, achieving a stable circuit board connection and preventing poor contact.

CN223858454UActive Publication Date: 2026-01-30BEIJING LANKE TECH CO LTD
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Patent Information

Application Number
CN202520134245.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-30
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

In existing multi-channel PCIe expansion circuit boards, the core circuit board is connected to the multi-channel PCIe expansion card via a plug-in connection. After long-term use, this connection may become loose, leading to poor contact.

Method used

The core circuit board and the multi-channel PCIe expansion card are secured by a flexible snap-fit ​​structure, which uses a plug-in block, a limiting slot, a connector, a spring, and a limiting pin to prevent loosening.

Benefits of technology

This effectively prevents loosening at the connection points, ensures a stable connection of the circuit board, and prevents poor contact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of multi-channel PCIE (Peripheral Component Interface Express) expanded circuit boards, and particularly relates to a multi-channel PCIE expanded circuit board, which comprises a core circuit board, a multi-channel PCIE expansion card is inserted into one side of the core circuit board, an encryption card is inserted into one side of the multi-channel PCIE expansion card, an external expansion network card is inserted into one end of the multi-channel PCIE expansion card, and the external expansion network card is inserted into the other end of the multi-channel PCIE expansion card. According to the multi-channel PCIE expansion card, the golden fingers on one side of the multi-channel PCIE expansion card are inserted into the corresponding slots in the core circuit board, at the moment, one end of the inserting block is inserted into the butt joint groove in the outer wall of the connecting base, then the arc-shaped end of the inserting block is in contact with the arc-shaped end of the limiting bayonet lock, and the limiting bayonet lock is in contact with the arc-shaped end of the limiting bayonet lock along with continuous insertion of the inserting block. When the core circuit board is inserted into the multichannel PCIE expansion card, one end of the inserting block pushes the limiting clamping pin to extrude the spring, and when the limiting clamping pin is in contact with the limiting clamping groove, the limiting clamping pin pops up and is inserted into the limiting clamping groove under the action of the spring, so that the core circuit board and the multichannel PCIE expansion card are elastically clamped and fixed, and the situation that the inserting position is loosened is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of multi-channel PCIE extension's circuit board, concretely relates to a kind of multi-channel PCIE extension's circuit board. BACKGROUND

[0002] Multi-channel PCIE extension's circuit board is a kind of hardware solution for increasing the number of PCIE (Peripheral Component Interconnect Express) interface in computer system. This kind of circuit board is usually designed with multiple PCIE slots or channels, allowing users to connect more PCIE devices, such as graphics cards, solid state drives, network interface cards, etc., thereby enhancing the expansibility and performance of the system.

[0003] At present, the existing multi-channel PCIE extension's circuit board in the process of using, core circuit board and multi-channel PCIE expansion card are usually connected by plug-in mode, by inserting the gold finger of multi-channel PCIE expansion card into the slot on the core circuit board to realize connection, but the multi-channel PCIE expansion card connected by this way may be loose after long-term use, so that poor contact may occur, affecting normal use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of multi-channel PCIE extension's circuit board, it aims at solving the existing multi-channel PCIE extension's circuit board in the process of using, core circuit board and multi-channel PCIE expansion card are usually connected by plug-in mode, by inserting the gold finger of multi-channel PCIE expansion card into the slot on the core circuit board to realize connection, but the multi-channel PCIE expansion card connected by this way may be loose after long-term use, so that poor contact may occur, affecting normal use problem.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of multi-channel PCIE extension's circuit board, including core circuit board, the one side of the core circuit board is plugged with multi-channel PCIE expansion card, the one side of the multi-channel PCIE expansion card is plugged with encryption card, the one end of the multi-channel PCIE expansion card is plugged with outer expansion network card, the one end of the core circuit board is plugged with isolation card;

[0006] One side of the multi-channel PCIE extension card is connected with a plug-in block, a limiting clamping groove is formed in the outer wall of the plug-in block, one side of the core circuit board is connected with a connecting seat, a butt joint groove is formed in the outer wall of the connecting seat, an installation groove is formed in the connecting seat, a spring is arranged in the installation groove, one end of the spring is connected with a movable block, one end of the movable block is connected with a limiting clamping pin, and a pushing block is connected to the top of the movable block.

[0007] As the multi-channel PCIE extension circuit board of the utility model, the size of the plug-in block and the butt joint groove is matched, and one end of the limiting clamping pin extends to the inside of the butt joint groove.

[0008] As the multi-channel PCIE extension circuit board of the utility model, the size of the plug-in block and the butt joint groove is matched, and one end of the limiting clamping pin extends to the inside of the butt joint groove.

[0009] As the multi-channel PCIE extension circuit board of the utility model, the size of the plug-in block and the butt joint groove is matched, and one end of the limiting clamping pin extends to the inside of the butt joint groove.

[0010] As the multi-channel PCIE extension circuit board of the utility model, the size of the plug-in block and the butt joint groove is matched, and one end of the limiting clamping pin extends to the inside of the butt joint groove.

[0011] As the multi-channel PCIE extension circuit board of the utility model, the size of the plug-in block and the butt joint groove is matched, and one end of the limiting clamping pin extends to the inside of the butt joint groove.

[0012] As the multi-channel PCIE extension circuit board of the utility model, the size of the plug-in block and the butt joint groove is matched, and one end of the limiting clamping pin extends to the inside of the butt joint groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] When the gold finger on one side of the multi-channel PCIE extension card is inserted into the corresponding slot on the core circuit board, one end of the plug-in block is inserted into the butt joint groove on the outer wall of the connecting seat, and then the arc-shaped end of the plug-in block contacts the arc-shaped end of the limiting clamping pin, with the plug-in block being continuously inserted, one end of the plug-in block pushes the limiting clamping pin, the limiting clamping pin is pressed against the spring, and when the limiting clamping pin contacts the limiting clamping groove, the limiting clamping pin is popped out and inserted into the limiting clamping groove under the action of the spring, so that the elastic clamping and fixing between the core circuit board and the multi-channel PCIE extension card are realized, and the situation that the plug-in part is loose is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present application, and form a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0016] Figure 1 It is a front view structural schematic diagram of the present application;

[0017] Figure 2 It is a front view disassembled sectional structural schematic diagram of the present application;

[0018] Figure 3 It is a core circuit board structural schematic diagram of the present application;

[0019] Figure 4 It is a multi-channel PCIE expansion card structural schematic diagram of the present application;

[0020] Figure 5 It is an A amplification structural schematic diagram of the present application.

[0021] In the drawings: 1, core circuit board; 2, multi-channel PCIE expansion card; 3, encryption card; 4, external expansion network card; 5, isolation card; 6, plug-in block; 7, limiting card slot; 8, connecting seat; 9, butt joint groove; 10, mounting groove; 11, spring; 12, movable block; 13, limiting clamping pin; 14, dial block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-5 The present application provides the following technical solutions: a multi-channel PCIE expansion circuit board, comprising a core circuit board 1, a multi-channel PCIE expansion card 2 is plugged on one side of the core circuit board 1, an encryption card 3 is plugged on one side of the multi-channel PCIE expansion card 2, an external expansion network card 4 is plugged on one end of the multi-channel PCIE expansion card 2, and an isolation card 5 is plugged on one end of the core circuit board 1;

[0024] It should be noted that the multi-channel PCIE expansion circuit board can split, combine and convert the originally limited single-channel PCIE into multi-channel through the swich chip on the multi-channel PCIE expansion card 2, and maintain the 3.0 transmission bandwidth of PCIE, and ensure the signal integrity of PCIE. The expanded multi-channel PCIE can expand network cards 4, encryption cards 3, isolation cards 5 and other peripherals, so as to ensure that the functions of the core board and the overall device achieve more abundant applications.

[0025] The multi-channel PCIE expansion card 2 is connected with a plug-in block 6, the outer wall of the plug-in block 6 is provided with a limiting card slot 7, one side of the core circuit board 1 is connected with a connecting seat 8, the outer wall of the connecting seat 8 is provided with a butt joint groove 9, the inner part of the connecting seat 8 is provided with an installation slot 10, the inner part of the installation slot 10 is provided with a spring 11, one end of the spring 11 is connected with a movable block 12, one end of the movable block 12 is connected with a limiting card pin 13, and the top of the movable block 12 is connected with a push block 14.

[0026] Preferably, the plug-in block 6 and the butt joint groove 9 are matched in size, and one end of the limiting card pin 13 extends into the butt joint groove 9, the plug-in block 6 and one end of the limiting card pin 13 are arc-shaped, the limiting card slot 7 and one end of the limiting card pin 13 are matched in size, and the limiting card pin 13 can form an elastic structure with the connecting seat 8 through the spring 11 and the movable block 12.

[0027] In specific use, the gold fingers on one side of the multi-channel PCIE expansion card 2 are inserted into the corresponding slots on the core circuit board 1, at this time one end of the plug-in block 6 is inserted into the butt joint groove 9 on the outer wall of the connecting seat 8, then the arc-shaped end of the plug-in block 6 is in contact with the arc-shaped end of the limiting card pin 13, with the continuous insertion of the plug-in block 6, one end of the plug-in block 6 pushes the limiting card pin 13, so that the limiting card pin 13 is pressed against the spring 11, when the limiting card pin 13 is in contact with the limiting card slot 7, the limiting card pin 13 is popped out and inserted into the limiting card slot 7 under the action of the spring 11, so as to realize the elastic clamping and fixing between the core circuit board 1 and the multi-channel PCIE expansion card 2, and avoid the loosening of the plug-in part.

[0028] Preferably, the core circuit board 1 can form an elastic clamping structure with the multi-channel PCIE expansion card 2 through the plug-in block 6, the limiting card slot 7, the connecting seat 8, the butt joint groove 9, the installation slot 10, the spring 11, the movable block 12, the limiting card pin 13 and the push block 14, the surface of the connecting seat 8 is provided with an opening, and one end of the push block 14 extends to the outside through the opening on the surface of the connecting seat 8.

[0029] In practical use, by moving the movable block 12 with the toggle 14, the limiting pin 13 is retracted. At this time, one end of the limiting pin 13 will disengage from the limiting slot 7. Then, the gold fingers of the multi-channel PCIe expansion card 2 can be pulled out from the slot on the core circuit board 1 to separate the core circuit board 1 and the multi-channel PCIe expansion card 2.

[0030] Working principle: First, by inserting the gold fingers on one side of the multi-channel PCIe expansion card 2 into the corresponding slot on the core circuit board 1, one end of the plug-in block 6 will be inserted into the mating groove 9 on the outer wall of the connector 8. Then, the arc-shaped end of the plug-in block 6 will contact the arc-shaped end of the limiting pin 13. As the plug-in block 6 is continuously inserted, one end of the plug-in block 6 will push the limiting pin 13, causing it to compress the spring 11. When the limiting pin 13 contacts the limiting slot 7, the limiting pin 13 will be pressed by the spring 11. The ejector pin is inserted into the limiting slot 7 to achieve elastic locking and fixation between the core circuit board 1 and the multi-channel PCIe expansion card 2, thereby preventing the connection from becoming loose. The movable block 12 is moved by the toggle block 14 to retract the limiting pin 13. At this time, one end of the limiting pin 13 will disengage from the limiting slot 7. Then, the gold fingers of the multi-channel PCIe expansion card 2 can be pulled out from the slot on the core circuit board 1 to separate the core circuit board 1 and the multi-channel PCIe expansion card 2.

[0031] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A multi-lane PCIE extended circuit board comprising a core circuit board (1), characterized in that: One side of the core circuit board (1) is inserted with a multi-channel PCIE expansion card (2), one side of the multi-channel PCIE expansion card (2) is inserted with an encryption card (3), one end of the multi-channel PCIE expansion card (2) is inserted with an external expansion network card (4), one end of the core circuit board (1) is inserted with an isolation card (5); One side of the multi-channel PCIE expansion card (2) is connected with a plug-in block (6), the outer wall of the plug-in block (6) is provided with a limiting card slot (7), one side of the core circuit board (1) is connected with a connecting seat (8), the outer wall of the connecting seat (8) is provided with a butt joint groove (9), the inside of the connecting seat (8) is provided with an installation groove (10), the inside of the installation groove (10) is provided with a spring (11), one end of the spring (11) is connected with a movable block (12), one end of the movable block (12) is connected with a limiting card pin (13), the top of the movable block (12) is connected with a dial block (14).

2. The circuit board of claim 1, wherein: The plug-in block (6) is matched with the size of one end of the butt joint groove (9), and one end of the limiting card pin (13) extends through and reaches the inside of the butt joint groove (9).

3. The circuit board of claim 2, wherein: The plug-in block (6) and one end of the limiting card pin (13) are both arc-shaped.

4. The circuit board of claim 1, wherein: The limiting card slot (7) is matched with the size of one end of the limiting card pin (13).

5. The circuit board of claim 1, wherein: The core circuit board (1) can form a flexible clamping structure with the multi-channel PCIE expansion card (2) through the plug-in block (6), the limiting card slot (7), the connecting seat (8), the butt joint groove (9), the installation groove (10), the spring (11), the movable block (12), the limiting card pin (13) and the dial block (14).

6. The circuit board of claim 5, wherein: The surface of the connecting seat (8) is provided with an opening, and one end of the dial block (14) extends to the outside through the surface opening of the connecting seat (8).

7. The circuit board of claim 5, wherein: The limiting card pin (13) can form a flexible structure with the connecting seat (8) through the spring (11) and the movable block (12).