Computer mainboard mounting and fixing assembly

Abstract

The utility model relates to the technical field of computers, in particular to a computer mainboard installing and fixing assembly which comprises a case, a disc is fixedly installed in the center of the inner wall of one side of the case, and four rectangular sleeves are rotatably installed on the annular side portion of the disc. The four rectangular sleeves and the side, away from the machine box, of the disc are located on the same horizontal plane, rectangular columns are slidably installed in the four rectangular sleeves, and moving blocks are fixedly installed at the ends, away from the disc, of the four rectangular columns. During installation, the positions of the four first limiting plates and the four second limiting plates can be adjusted according to the size of the computer mainboard, the computer mainboard can be fixed through the fixing unit after adjustment is completed, and meanwhile the positions of the four first limiting plates and the four second limiting plates can be fixed; and the back face of the fixed computer mainboard only makes contact with the disc and the four rectangular sleeves, and heat dissipation of the computer mainboard in the later period is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to computer technical field especially relates to a computer mainboard installation fixed assembly. BACKGROUND

[0002] Computer is modernization intelligent electronic equipment for high speed calculation, the emergence of computer greatly facilitates people's daily life and industrial production activity, and the host computer is the main component of computer, and the computer mainboard is one of the most basic and important parts in the host computer, and the fixed device is needed when assembling the computer to install and fix the computer host in the host case.

[0003] The prior art authorized announcement No. CN221960473U computer mainboard fixing device for computer can install computer mainboard on different heights, but when the width of the computer mainboard is small or the length is high, it cannot be limited, and the mounting seat is provided, and the back surface of the computer mainboard contacts the mounting seat after installation, the contact surface is large, thereby easily affecting the later heat dissipation of the computer mainboard, therefore, the utility model provides a computer mainboard installation fixed assembly. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a computer mainboard installation fixed assembly to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a computer mainboard installation fixed assembly, comprising a case, a disc is fixedly installed at the center of the inner wall of one side of the case, four rectangular sleeves are rotatably installed on the annular side of the disc, the four rectangular sleeves and the disc are on the same horizontal plane away from the side of the case, a rectangular column is slidably installed in each of the four rectangular sleeves, a moving block is fixedly installed at the end of each of the four rectangular columns away from the disc, a rotating shaft is rotatably installed on the side of each of the four moving blocks away from the case, a first limiting plate and a second limiting plate are fixedly installed on the side of each of the four rotating shafts, a fixing unit is installed on the first limiting plate and the second limiting plate on the same rotating shaft, and the first limiting plate and the second limiting plate on the adjacent two rotating shafts are connected through a connecting unit.

[0006] Preferably, two annular rotating grooves are formed in the annular side of the disc, a rotating ring is rotatably installed in each of the two annular rotating grooves, two upper connecting blocks are fixedly installed on the side of one of the rotating rings, two lower connecting blocks are fixedly installed on the side of the other rotating ring, and the two lower connecting blocks and the two upper connecting blocks are fixedly installed on the sides of the four rectangular sleeves close to the disc, respectively.

[0007] Preferably, the fixing unit comprises an adapter plate fixedly installed on the mutually close side of the first limiting plate and the second limiting plate, a first threaded hole is formed in the top of the adapter plate, and a first bolt is screwedly installed in the first threaded hole.

[0008] Preferably, a top right-angle groove is formed in the rotating shaft, the right-angle groove corresponds to the positions of the first limiting plate and the second limiting plate, and the included angle between the first limiting plate and the second limiting plate is one hundred and eighty degrees.

[0009] Preferably, the fixing unit further comprises a second threaded hole formed in the top of the moving block, a second bolt is screwedly installed in the second threaded hole, and one end of the second bolt abuts against the inner wall of the case.

[0010] Preferably, the connecting unit comprises a first connecting rod and a second connecting rod, the first connecting rod is fixedly installed on the side of the first limiting plate, the second connecting rod is fixedly installed on the side of the second limiting plate, a sliding block is fixedly installed on the top of the second connecting rod, a sliding hole is formed in the top of the first connecting rod, the sliding block is slidingly installed in the sliding hole, a threaded stud is fixedly installed on the top of the sliding block, a nut is screwedly installed on the threaded stud, and the side of the nut abuts against the top of the first connecting rod.

[0011] To sum up, the technical effects and advantages of the present application are as follows:

[0012] In the present application, the positions of the four first limiting plates and the four second limiting plates can be adjusted according to the size of the computer mainboard during installation, the computer mainboard can be fixed by the fixing unit after adjustment, meanwhile, the positions of the four first limiting plates and the four second limiting plates can be fixed, and after fixing, the back of the computer mainboard only contacts with the disc and the four rectangular sleeves, and the heat dissipation of the computer mainboard in the later stage is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0014] Figure 1 It is a perspective view of the present application;

[0015] Figure 2 It is a perspective view of the present application without the case;

[0016] Figure 3 It is Figure 2Partial structure schematic diagram at the middle moving block;

[0017] Figure 4 For Figure 2 Partial structure schematic diagram at the middle moving block.

[0018] In the figure: 1, disc; 2, case; 3, rectangular column; 4, rectangular sleeve; 5, lower connecting block; 6, rotating ring; 7, upper connecting block; 8, rotating shaft; 9, second bolt; 10, moving block; 11, first connecting rod; 12, sliding hole; 13, first limiting plate; 14, connecting plate; 15, second limiting plate; 16, second connecting rod; 17, first bolt; 18, sliding block; 19, stud; 20, nut; 21, right-angle groove. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0021] Embodiment:

[0022] Reference Figures 1-4 As shown in the figure, a computer mainboard mounting and fixing assembly comprises a case 2, a disc 1 is fixedly installed at the center position of the inner wall of one side of the case 2, four rectangular sleeves 4 are rotatably installed at the annular side of the disc 1, the four rectangular sleeves 4 and the side of the disc 1 away from the case 2 are at the same horizontal plane, rectangular columns 3 are slidably installed in the four rectangular sleeves 4, moving blocks 10 are fixedly installed at the ends of the four rectangular columns 3 away from the disc 1, rotating shafts 8 are rotatably installed at the side of the four moving blocks 10 away from the case 2, first limiting plates 13 and second limiting plates 15 are fixedly installed at the side of the four rotating shafts 8, fixing units are installed on the first limiting plates 13 and the second limiting plates 15 located on the same rotating shaft 8, and the first limiting plates 13 and the second limiting plates 15 on the adjacent two rotating shafts 8 are connected through connecting units.

[0023] By the above structure: in the installation, the position of the four first limiting plates 13 and the four second limiting plates 15 can be adjusted according to the size of the computer mainboard, and after the adjustment is completed, the computer mainboard can be fixed by the fixing unit, and the position of the four first limiting plates 13 and the four second limiting plates 15 can be fixed, and after the fixing, the back of the computer mainboard only contacts the disc 1 and the four rectangular sleeves 4, which does not affect the heat dissipation of the computer mainboard later.

[0024] As shown in Figure 2 , the annular side of the disc 1 is provided with two annular rotating grooves, and the two annular rotating grooves are rotatably installed with rotating rings 6, one side of one of the rotating rings 6 is fixedly installed with two upper connecting blocks 7, and one side of the other rotating ring 6 is fixedly installed with two lower connecting blocks 5, and the two lower connecting blocks 5 and the two upper connecting blocks 7 are fixedly installed on the sides of the four rectangular sleeves 4 close to the disc 1. The advantage of this setting is that the four rectangular sleeves 4 can be rotated.

[0025] As shown in Figure 3 , the fixing unit includes a connecting plate 14 fixedly installed on the sides of the first limiting plate 13 and the second limiting plate 15 close to each other, and the top of the connecting plate 14 is provided with a first threaded hole, and the first threaded hole is screwed with a first bolt 17. Rotating the four first bolts 17 will press the computer mainboard on the sides of the four rectangular sleeves 4 and the disc 1, thereby completing the limiting.

[0026] As shown in Figure 3 , the top right-angle groove 21 of the shaft 8 corresponds to the positions of the first limiting plate 13 and the second limiting plate 15, and the angle between the first limiting plate 13 and the second limiting plate 15 is one hundred and eighty degrees. Through the setting of the right-angle groove 21, it is convenient to place the computer mainboard.

[0027] As shown in Figure 3 , the fixing unit further includes a second threaded hole opened in the top of the moving block 10, and a second bolt 9 is screwed in the second threaded hole, and one end of the second bolt 9 abuts against the inner wall of the case 2. By tightening the four second bolts 9, they are pressed against the inner wall of the case 2, and after being pressed, the four moving blocks 10 cannot move.

[0028] As shown in Figure 4As shown, the connecting unit comprises a first connecting rod 11 and a second connecting rod 16, the first connecting rod 11 is fixedly installed on the side of the first limiting plate 13, the second connecting rod 16 is fixedly installed on the side of the second limiting plate 15, the top of the second connecting rod 16 is fixedly installed with a sliding block 18, the top of the first connecting rod 11 is provided with a sliding hole 12, the sliding block 18 is slidingly installed in the sliding hole 12, the top of the sliding block 18 is fixedly installed with a stud 19, the stud 19 is threadedly installed with a nut 20, and the side of the nut 20 abuts against the top of the first connecting rod 11. Through the setting of the connecting unit, the four rotating shafts 8 can be connected after being fixed in position, the position of the four rotating shafts 8 is stable, and the first limiting plate 13 and the second limiting plate 15 are always in a horizontal or vertical state when the four rotating shafts 8 are adjusted.

[0029] Working principle:

[0030] In use, after the four second bolts 9 and the four nuts 20 are loosened, the computer mainboard can be placed in, if the size of the computer mainboard is found to be not corresponding to the positions of the four connecting plates 14 after being placed in, the positions of the four rotating shafts 8 are moved, the four rotating shafts 8 make the four sliding blocks 18 slide in the four sliding holes 12, and the four rectangular columns 3 slide in the four rectangular sleeves 4, when the four corners of the computer mainboard enter the four right-angle grooves 21 respectively, the four second bolts 9 are tightened to press on the inner wall of the case 2, the four moving blocks 10 cannot move after being pressed, the four nuts 20 are tightened to press on the top of the four first connecting rods 11, so that the positions of the four rotating shafts 8 are fixed, then the four first bolts 17 are rotated to press the computer mainboard on the side of the four rectangular sleeves 4 and the disc 1, so that the limiting is completed, and after the limiting, the back of the computer mainboard only contacts with the disc 1 and the four rectangular sleeves 4, and does not affect the heat dissipation of the computer mainboard in the later period.

[0031] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A computer mainboard mounting and fixing assembly comprising a cabinet (2), characterized in that: The side inner wall center position of the case (2) is fixedly installed with a disc (1), the annular side of the disc (1) is rotatably installed with four rectangular sleeves (4), the four rectangular sleeves (4) and the disc (1) are in the same horizontal plane away from the side of the case (2), the four rectangular sleeves (4) are slidably installed with rectangular columns (3), the one end of the four rectangular columns (3) away from the disc (1) is fixedly installed with a moving block (10), the side of the four moving blocks (10) away from the case (2) is rotatably installed with a rotating shaft (8), the side of the four rotating shafts (8) is fixedly installed with a first limiting plate (13) and a second limiting plate (15), the first limiting plate (13) and the second limiting plate (15) on the same rotating shaft (8) are installed with a fixed unit, the first limiting plate (13) and the second limiting plate (15) on the adjacent two rotating shafts (8) are connected through a connecting unit.

2. The computer motherboard mounting and securing assembly of claim 1, wherein: The annular side of the disc (1) is provided with two annular rotating grooves, two rotating rings (6) are rotatably installed in the two annular rotating grooves, the side of one rotating ring (6) is fixedly installed with two upper connecting blocks (7), the side of the other rotating ring (6) is fixedly installed with two lower connecting blocks (5), the sides of the two lower connecting blocks (5) and the two upper connecting blocks (7) away from the disc (1) are fixedly installed on the sides of the four rectangular sleeves (4) close to the disc (1).

3. The computer motherboard mounting and securing assembly of claim 1, wherein: The fixed unit comprises an abutment plate (14) fixedly installed on the mutually close sides of the first limiting plate (13) and the second limiting plate (15), a first threaded hole is formed in the top of the abutment plate (14), and a first bolt (17) is threadedly installed in the first threaded hole.

4. The computer motherboard mounting and securing assembly of claim 1, wherein: A top right-angle groove (21) is formed in the rotating shaft (8), the right-angle groove (21) corresponds to the positions of the first limiting plate (13) and the second limiting plate (15), and the included angle between the first limiting plate (13) and the second limiting plate (15) is one hundred and eighty degrees.

5. The computer motherboard mounting and securing assembly of claim 1, wherein: The fixed unit further comprises a second threaded hole formed in the top of the moving block (10), a second bolt (9) is threadedly installed in the second threaded hole, and one end of the second bolt (9) abuts against the inner wall of the case (2).

6. The computer motherboard mounting and securing assembly of claim 1, wherein: The connecting unit comprises a first connecting rod (11) and a second connecting rod (16), the first connecting rod (11) is fixedly installed on the side of the first limiting plate (13), the second connecting rod (16) is fixedly installed on the side of the second limiting plate (15), a sliding block (18) is fixedly installed on the top of the second connecting rod (16), a sliding hole (12) is formed in the top of the first connecting rod (11), the sliding block (18) is slidably installed in the sliding hole (12), a stud (19) is fixedly installed on the top of the sliding block (18), a nut (20) is threadedly installed on the stud (19), and the side of the nut (20) abuts against the top of the first connecting rod (11).

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