Fixing device for computer expansion card

Abstract

The utility model relates to the technical field of computer expansion cards, and provides a computer expansion card fixing device which is applied to a case, an expansion card notch is formed in the front side of the case, a fixing shell is arranged on one side of the inner wall of the case, and an expansion card is arranged in the fixing shell. When the expansion card is installed and fixed, one side of the expansion card extends into the expansion card notch by placing the fixing shell on one side of the expansion card notch, the spring is stretched by pulling the abutting rod on the top of the fixing shell upwards, and when the top end of the abutting rod abuts against the inner top wall of the case, the inclined plate is inserted into the inclined groove for limiting and fixing. And a spring is stretched by downwards pulling an abutting rod at the bottom of the fixing shell, and when the top end of the abutting rod abuts against the inner bottom wall of the case, an inclined plate is inserted into an inclined groove for limiting and fixing, so that the purpose of installing and fixing the expansion card is achieved, screws are not needed for installing and fixing, and the working efficiency of installing and fixing is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of computer expansion cards, and in particular to a fixing device for a computer expansion card. Background Art

[0002] A computer expansion card is a PCI card added to the PCI slot of the host computer. It can be expanded to multiple simultaneous displays. Theoretically, a server can support 2-100 users. Each additional user requires a computer expansion card. A user is composed of a computer expansion card, a monitor, a keyboard and a mouse. The use of computer expansion cards facilitates management, saves a lot of hardware costs and maintenance costs, and thus improves work efficiency.

[0003] Known Chinese public authorized patent: (application number: CN201920153156.1) discloses a fixing device for a computer expansion card, including a cooling box, an expansion card fixing box is installed on the top of the cooling box, a fan is fixedly connected to the rear of the left side wall of the cooling box, and a side plate is installed on the front side of the left side wall of the cooling box. The fixing device for the computer expansion card provided by the utility model, the fan accelerates and pressurizes the outside air into the serpentine tube, the low-temperature water in the cooling box cools the air in the serpentine tube, and the cooled air is discharged from the air outlet along the vertical tube and the horizontal tube to blow and cool the bottom of the expansion card fixing box, and the high-speed air will blow the fan blades when it is discharged from the air outlet, and the fan blades will drive the installation shaft and the cleaning brush to rotate when the fan blades rotate. When the cleaning brush rotates, the bottom of the expansion card fixing box can be cleaned to avoid the heat dissipation at the bottom of the expansion card fixing box from being blocked, so that the heat dissipation effect of the expansion card fixing box is better.

[0004] However, in the implementation of the relevant technology, it was found that the above-mentioned fixing device of the computer expansion card has the following problems: during the use of the prior art, since screws are used for fixing, a tool for tightening screws must be used when assembling the whole machine, which is troublesome, and when the customer needs to disassemble the computer, the tool for tightening screws must also be used, which is extremely inconvenient to use. Therefore, a fixing device for a computer expansion card is proposed. Utility Model Content

[0005] The utility model provides a fixing device for a computer expansion card, which solves the problem in the related art that due to the use of screws for fixing, a tool for tightening screws must be used when assembling the whole machine, which is troublesome, and when the customer needs to disassemble the computer, the tool for tightening screws must also be used, which is extremely inconvenient.

[0006] The technical solution of the utility model is as follows: a fixing device for a computer expansion card, applied to a chassis, the front side of the chassis is provided with an expansion card slot, one side of the inner wall of the chassis is provided with a fixing shell, the interior of the fixing shell is provided with an expansion card, and one side of the expansion card is located inside the expansion card slot;

[0007] A hollow rod is fixedly installed on the top and bottom of the fixed shell, a spring is fixedly installed on the inner bottom wall of the hollow rod, and a resisting rod is fixedly connected to the top of the spring. Multiple inclined grooves are sequentially opened on both sides of the outer wall of the hollow rod from top to bottom, and two inclined plates are arranged at the bottom end of the outer wall of the resisting rod. The two inclined plates are arranged opposite to each other, and the two inclined plates are plugged into two of the multiple inclined grooves.

[0008] Dust-proof mechanisms are arranged on both sides of the chassis.

[0009] Preferably, the dustproof mechanism comprises heat dissipation openings which are both opened on both sides of the chassis, and a plurality of dustproof plates are arranged inside the heat dissipation openings.

[0010] Preferably, one side of the inner wall of the heat dissipation port is rotatably connected with a plurality of rotating rods, and the plurality of rotating rods are connected to a plurality of dustproof plates.

[0011] Preferably, a plurality of double-groove pulleys are fixedly connected to one end of the outer side walls of the plurality of rotating rods, and a belt is tensionedly connected between the plurality of double-groove pulleys.

[0012] Preferably, a motor is fixedly mounted on the other side of the inner wall of the heat dissipation port through a mounting groove, and an output end of the motor is connected to one of the multiple double-groove pulleys.

[0013] Preferably, four support blocks are fixedly mounted on the bottom of the chassis, and the four support blocks are distributed at four corners of the bottom of the chassis.

[0014] The working principle and beneficial effects of the utility model are:

[0015] When installing and fixing the expansion card, the fixing shell is placed on one side of the expansion card slot so that one side of the expansion card extends into the expansion card slot, and the interference rod on the top of the fixing shell is pulled upward to stretch the spring. When the top end of the interference rod conflicts with the inner top wall of the chassis, the inclined plate is inserted into the interior of the inclined slot for limit fixing, and the interference rod at the bottom of the fixing shell is pulled downward to stretch the spring. When the top end of the interference rod conflicts with the inner bottom wall of the chassis, the inclined plate is inserted into the interior of the inclined slot for limit fixing, thereby achieving the purpose of installing and fixing the expansion card, without the need to use screws for installation and fixing, and effectively improving the work efficiency of installation and fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cutaway three-dimensional structure of the chassis of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the hollow rod of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the heat dissipation port of the utility model.

[0021] In the figure: 1. chassis; 2. expansion card slot; 3. fixed shell; 4. expansion card; 5. hollow rod; 6. spring; 7. resistance rod; 8. inclined groove; 9. inclined plate; 10. dustproof mechanism; 11. support block; 100. heat dissipation port; 101. dustproof plate; 102. rotating rod; 103. double-groove pulley; 104. belt; 105. motor. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1 - Figure 4 A fixing device for a computer expansion card is applied to a chassis 1, wherein an expansion card slot 2 is provided on the front side of the chassis 1, a fixing shell 3 is provided on one side of the inner wall of the chassis 1, an expansion card 4 is provided inside the fixing shell 3, and one side of the expansion card 4 is located inside the expansion card slot 2;

[0025] A hollow rod 5 is fixedly installed on the top and bottom of the fixed shell 3, a spring 6 is fixedly installed on the inner bottom wall of the hollow rod 5, and a resistance rod 7 is fixedly connected to the top of the spring 6. A plurality of inclined grooves 8 are sequentially opened on both sides of the outer wall of the hollow rod 5 from top to bottom, and two inclined plates 9 are arranged at the bottom end of the outer wall of the resistance rod 7. The two inclined plates 9 are arranged opposite to each other, and the two inclined plates 9 are plugged into two of the plurality of inclined grooves 8.

[0026] The utility model provides a method for installing and fixing the expansion card 4. By placing the fixed shell 3 on one side of the expansion card slot 2, one side of the expansion card 4 is extended into the expansion card slot 2, and the interference rod 7 on the top of the fixed shell 3 is pulled upward to stretch the spring 6. When the top end of the interference rod 7 conflicts with the inner top wall of the chassis 1, the inclined plate 9 is inserted into the inside of the inclined groove 8 for limit fixing, and by pulling the interference rod 7 at the bottom of the fixed shell 3 downward, the spring 6 is stretched. When the top end of the interference rod 7 conflicts with the inner bottom wall of the chassis 1, the inclined plate 9 is inserted into the inside of the inclined groove 8 for limit fixing, thereby achieving the purpose of installing and fixing the expansion card 4, without the need to use screws for installation and fixing, and effectively improving the work efficiency of installation and fixing.

[0027] Embodiment 2

[0028] Based on the first embodiment, the present embodiment includes: dustproof mechanisms 10 are arranged on both sides of the chassis 1, the dustproof mechanisms 10 include heat dissipation ports 100 which are opened on both sides of the chassis 1, a plurality of dustproof plates 101 are arranged inside the heat dissipation ports 100, a plurality of rotating rods 102 are rotatably connected to one side of the inner wall of the heat dissipation port 100, the plurality of rotating rods 102 are connected to the plurality of dustproof plates 101, a plurality of double-groove pulleys 103 are fixedly connected to one end of the outer wall of the plurality of rotating rods 102, a belt 104 is tensionedly connected between the plurality of double-groove pulleys 103, a motor 105 is fixedly installed on the other side of the inner wall of the heat dissipation port 100 through an opening in the installation groove, and an output end of the motor 105 is connected to one of the plurality of double-groove pulleys 103.

[0029] The technical solution provided by this embodiment is: by starting the motor 105, the motor 105 drives a rotating rod 102 to rotate, so that the double-groove pulley 103 drives the belt 104 to rotate, and the remaining rotating rods 102 are rotated through the belt 104 to close the dustproof plate 101, thereby achieving the purpose of dust prevention when the device is not in use, and effectively preventing external dust from entering the interior of the chassis 1 from the heat dissipation port 100.

[0030] Furthermore, four support blocks 11 are fixedly installed on the bottom of the chassis 1 , and the four support blocks 11 are distributed at four corners of the bottom of the chassis 1 .

[0031] Specifically, the support block 11 is used to support the chassis 1 , thereby effectively improving the stability of the chassis 1 .

[0032] The working principle of the utility model is as follows: when installing and fixing the expansion card 4, the fixing shell 3 is placed on one side of the expansion card slot 2, so that one side of the expansion card 4 extends into the expansion card slot 2, and the spring 6 is stretched by pulling the abutment rod 7 on the top of the fixing shell 3 upwards. When the top of the abutment rod 7 abuts against the inner top wall of the chassis 1, the inclined plate 9 is inserted into the interior of the inclined slot 8 for limiting and fixing, and the spring 6 is stretched by pulling the abutment rod 7 on the bottom of the fixing shell 3 downwards. When the top of the abutment rod 7 abuts against the inner bottom wall of the chassis 1, the inclined plate 9 is inserted into the interior of the inclined slot 8 for limiting and fixing. The expansion card 4 is fixed by limiting the position, thereby achieving the purpose of installing and fixing the expansion card 4, without the need to use screws for installation and fixing, effectively improving the work efficiency of installation and fixing, when the present device is not in use, by starting the motor 105, the motor 105 drives a rotating rod 102 to rotate, so that the double-groove pulley 103 drives the belt 104 to rotate, and the remaining rotating rods 102 are rotated through the belt 104 to close the dustproof plate 101, thereby achieving the purpose of dust prevention when the present device is not in use, and effectively preventing external dust from entering the interior of the chassis 1 from the heat dissipation port 100.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing device for a computer expansion card, characterized in that: Applied to a chassis (1), the front side of the chassis (1) is provided with an expansion card slot (2), one side of the inner wall of the chassis (1) is provided with a fixed shell (3), an expansion card (4) is provided inside the fixed shell (3), and one side of the expansion card (4) is located inside the expansion card slot (2); A hollow rod (5) is fixedly mounted on the top and bottom of the fixed shell (3); a spring (6) is fixedly mounted on the inner bottom wall of the hollow rod (5); a top end of the spring (6) is fixedly connected to a resisting rod (7); a plurality of inclined grooves (8) are sequentially provided on both sides of the outer wall of the hollow rod (5) from top to bottom; two inclined plates (9) are provided at the bottom end of the outer wall of the resisting rod (7); the two inclined plates (9) are arranged opposite to each other, and the two inclined plates (9) are plugged into two of the plurality of inclined grooves (8); Dust-proof mechanisms (10) are provided on both sides of the chassis (1).

2. A fixing device for a computer expansion card according to claim 1, characterized in that: The dustproof mechanism (10) comprises heat dissipation openings (100) both opened on both sides of the chassis (1), and a plurality of dustproof plates (101) are arranged inside the heat dissipation openings (100).

3. A fixing device for a computer expansion card according to claim 2, characterized in that: One side of the inner wall of the heat dissipation port (100) is rotatably connected to a plurality of rotating rods (102), and the plurality of rotating rods (102) are connected to the plurality of dustproof plates (101).

4. A fixing device for a computer expansion card according to claim 3, characterized in that: A plurality of double-groove pulleys (103) are fixedly connected to one end of the outer side walls of the plurality of rotating rods (102), and a belt (104) is tensionedly connected between the plurality of double-groove pulleys (103).

5. A fixing device for a computer expansion card according to claim 4, characterized in that: A motor (105) is fixedly mounted on the other side of the inner wall of the heat dissipation port (100) via a mounting groove, and an output end of the motor (105) is connected to one of the plurality of double-groove pulleys (103).

6. A fixing device for a computer expansion card according to claim 1, characterized in that: Four support blocks (11) are fixedly mounted on the bottom of the chassis (1), and the four support blocks (11) are distributed at the four corners of the bottom of the chassis (1).

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