Fixing device for board card

Abstract

The utility model discloses a fixing device for a board card, which comprises a board card main body, one side of the board card main body is provided with a main board, the bottom end of the board card main body is provided with a fixing seat, one end of the fixing seat is provided with a mounting strip, the inner wall of the mounting strip is internally provided with a rotating screw rod, and the rotating screw rod is connected with the main board. One end of a fixed seat is installed on the outer wall of the rotating screw in a threaded mode, a movable plate is arranged at the upper end of the fixed seat, a self-locking telescopic rod is installed on the back of the movable plate, a two-way screw is arranged on the inner wall of the movable plate, a positioning plate is installed on the outer wall of the two-way screw, and a supporting plate is arranged at the front end of the positioning plate. According to the utility model, through manually adjusting the bidirectional screw rod and rotating the screw rod, dual positioning of the board card in the horizontal direction and the vertical direction is realized; the elastic buffer layer and the self-locking telescopic rod provide stable clamping and anti-loosening functions to adapt to display cards of different specifications; the pure mechanical structure does not need electric drive, operation is easy and convenient, reliability is high, and installation efficiency and stability are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper -clad plate surface flatness detection technical field especially a fixing device for board card. BACKGROUND

[0002] With the progress of science and technology, such as board card such as display card needs to be stabilized in the mainboard slot through the fixing device when installing, otherwise the display card weight is too heavy, and will be damaged without support. The prior art relies on screws or buckles to fix, and has the following problems: first, the screw fixing needs to use tools frequently, and the operation is cumbersome and easy to slip; second, the buckle structure has poor adaptability, and different specifications of board cards need to replace accessories; third, the board card is loose after fixing due to vibration or gravity, which affects the stability. Therefore, a mechanical fixing device without power drive, strong adaptability and self-locking function is needed.

[0003] Therefore, we propose a fixing device for board card to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of fixing devices for board card, which realizes the double positioning of board card horizontal and vertical direction by manually adjusting bidirectional screw rod and rotating screw rod;Elastic buffer layer and self-locking telescopic rod provide stable clamping and anti-loose function, adapt to different specifications of display card;Pure mechanical structure does not need power drive, and it is easy to operate and has high reliability, significantly improves installation efficiency and stability, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A fixing device for board card, including board card main body, the side of the board card main body is provided with mainboard, and the bottom end of the board card main body is provided with fixed seat, one end of the fixed seat is provided with mounting strip, rotating screw rod is provided in the inner wall of mounting strip, and one end of the fixed seat is screwed on the outer wall of the rotating screw rod, the upper end of the fixed seat is provided with moving plate, the back of the moving plate is installed with self-locking telescopic rod, bidirectional screw rod is provided on the inner wall of moving plate, and positioning plate is installed on the outer wall of bidirectional screw rod, the front end of the positioning plate is provided with support plate.

[0007] In further embodiments, the side wall of the mounting strip is provided with a guide sliding groove, and one end of the rotating screw rod is provided with a manual adjustment knob.

[0008] In further embodiments, the contact surface of the positioning plate is provided with an elastic buffer layer, and is provided as two upper and lower symmetrical shapes, and the positioning plate is provided on the upper and lower ends of the board card main body, and the elastic buffer layer is silica gel.

[0009] In further embodiments, the upper end of the bidirectional screw rod is provided with a rotating opening, which is a character opening at the upper end of the moving plate.

[0010] In further embodiments, one end of the fixed seat is provided with a threaded block, which is embedded in the guide sliding groove and threadedly connected with the rotating screw rod.

[0011] Compared with the prior art, the board card fixing device has the following beneficial effects:

[0012] In use of the board card fixing device, the device realizes double positioning of the board card in horizontal and vertical directions by manually adjusting the bidirectional screw rod and the rotating screw rod; the elastic buffer layer and the self-locking telescopic rod provide stable clamping and anti-loose functions, and are suitable for different specifications of graphics cards; the pure mechanical structure does not need power driving, is simple and convenient to operate, and has high reliability, and installation efficiency and stability are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic diagram of the overall structure of a board card fixing device;

[0014] Fig. 2 It is a schematic diagram of the structure at the fixed seat of a board card fixing device;

[0015] Fig. 3 It is a schematic diagram of the structure at the moving plate of a board card fixing device.

[0016] In the drawings: 1, board card main body; 2, main plate; 3, mounting strip; 4, fixed seat; 5, rotating screw rod; 6, moving plate; 7, self-locking telescopic rod; 8, positioning plate; 9, bidirectional screw rod; 10, support plate; 11, guide sliding groove. DETAILED DESCRIPTION

[0017] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0018] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term " install", " link", " connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in the description of the embodiments of the utility model in combination with the drawings, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3 A fixing device for board card, including board card main body 1, the bottom end of the board card main body 1 is connected with installation strip 3 through fixed seat 4, and the installation strip 3 is provided with rotating screw 5, one end of rotating screw 5 is provided with hand knob, the fixed seat 4 can be driven to move horizontally along guide sliding slot 11 by rotating the knob, so that the horizontal position of board card main body 1 can be adjusted flexibly, and movable plate 6 is connected with fixed seat 4 through self-locking telescopic rod 7, the position of movable plate 6 can be adjusted according to the length of board card main body 1 to meet the use of different board card main body 1, and movable plate 6 is provided with bidirectional screw 9 inside, the upper end of bidirectional screw 9 is provided with a type rotating port, which can be driven by screwdriver and other tools, so that the upper and lower two positioning plates 8 symmetrically arranged can be moved to the center synchronously after being rotated by the support plate 10, the side of the display card is clamped by the elastic buffer layer of silica gel material, so as to avoid scratching the surface of the display card, when operating, after the display card main body 1 is inserted into the slot of mainboard 2, the rotating port of bidirectional screw 9 is rotated by using tools, so that the positioning plate 8 is tightly arranged on both sides of the display card, then the adjusting knob on the installation strip 3 is manually rotated, the fixed seat 4 is driven to move horizontally, the display card is pushed by self-locking telescopic rod 7, so as to ensure that the display card is accurately connected with the slot, and the fixing is completed. When disassembling, reverse operation can quickly release the locking.

[0021] The working principle of this utility model is as follows: As shown in the figure, a fixing device for a circuit board includes a circuit board body 1. The bottom end of the circuit board body 1 is connected to the mounting strip 3 via a fixing seat 4. The mounting strip 3 is provided with a rotating screw 5. One end of the rotating screw 5 is provided with a manual adjustment knob. By rotating the knob, the fixing seat 4 can be driven to move horizontally along the guide groove 11, thereby flexibly adjusting according to the horizontal position of the circuit board body 1. The movable plate 6 is connected to the fixing seat 4 via a self-locking telescopic rod 7, and its position can be adjusted according to the length of the circuit board body 1 to meet the needs of different circuit board bodies 1. The movable plate 6 is provided with a bidirectional screw 9 inside. The slotted rotating port at the upper end of the bidirectional screw 9 can be driven by a screwdriver or other tools, so that the two symmetrically arranged upper and lower positioning plates 8 pass through the set support plate 10. After the threads rotate, they move synchronously towards the center, clamping the sides of the graphics card with an elastic buffer layer made of silicone material to prevent scratches on the card surface. During operation, after inserting the graphics card body 1 into the motherboard slot 2, use a tool to rotate the rotating port of the bidirectional screw 9 to make the positioning plate 8 press against both sides of the graphics card. Then, manually rotate the adjustment knob on the mounting strip 3 to drive the fixing base 4 to move horizontally. Then, push the graphics card with the self-locking telescopic rod 7 to ensure that the graphics card and slot are precisely aligned and fixed. For disassembly, simply reverse the operation to quickly release the lock.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0023] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fixing device for circuit boards, characterized in that: The board includes a main body (1), a main board (2) is provided on one side of the main body (1), and a fixed seat (4) is provided at the bottom of the main body (1). An installation strip (3) is provided at one end of the fixed seat (4), and a rotating screw (5) is provided in the inner wall of the installation strip (3). One end of the fixed seat (4) is threaded onto the outer wall of the rotating screw (5). A movable plate (6) is provided at the upper end of the fixed seat (4). A self-locking telescopic rod (7) is installed on the back of the movable plate (6). A bidirectional screw (9) is provided on the inner wall of the movable plate (6), and a positioning plate (8) is installed on the outer wall of the bidirectional screw (9). A support plate (10) is provided at the front end of the positioning plate (8).

2. The fixing device for a circuit board according to claim 1, characterized in that: The side wall of the mounting strip (3) is provided with a guide groove (11), and one end of the rotating screw (5) is provided with a manual adjustment knob.

3. The fixing device for a circuit board according to claim 1, characterized in that: The contact surface of the positioning plate (8) is provided with an elastic buffer layer, and two of them are arranged in an up-down symmetrical shape. The positioning plate (8) is located at the upper and lower ends of one side of the main body (1) of the board. The elastic buffer layer is made of silicone.

4. The fixing device for a circuit board according to claim 1, characterized in that: The upper end of the bidirectional screw (9) is provided with a rotating port, which is located at the upper end of the moving plate (6) and is a straight opening.

5. The fixing device for a circuit board according to claim 1, characterized in that: One end of the fixed seat (4) is provided with a threaded block, which is embedded in the guide groove (11) and threadedly connected to the rotating screw (5).

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