CN218918035U - Adjustable computer motherboard fixing device - Google Patents

Abstract

The utility model discloses an adjustable computer motherboard fixing device, which comprises a motherboard fixing device body which is fixed on the inner wall of a computer shell by screw threads, wherein the motherboard fixing device body comprises two square rods which are fixed on the inner wall of the computer shell by screw threads. According to the utility model, through the arrangement of the elastic pressing mechanism, the movable rod, the thread driving mechanism and the rotary driving mechanism, the computer main board can be clamped and fixed by adjusting the positions of the L-shaped clamping plates, so that the computer main boards with different specifications can be clamped and fixed, the computer main board can be disassembled and assembled by adjusting the positions of the L-shaped clamping plates without tools, the operation of personnel is convenient, the disassembly and assembly efficiency is improved, and the hard clamping force can be relieved in the clamping process through the arrangement of the elastic buffer mechanism, so that the situation that the computer main board is damaged due to larger clamping force can be effectively reduced.

Description

Adjustable computer motherboard fixing device

Technical Field

The present utility model relates to the field of computer motherboard fixing devices, and in particular, to an adjustable computer motherboard fixing device.

Background

The main board is also called a main board, a system board or a motherboard, is one of the most basic and important components of a computer, most of the computer main boards are fixed in a chassis through screws, the screw fixing mode is achieved by means of tools during disassembly and assembly, the disassembly and assembly efficiency is low, and part of the computer main boards are required to be installed and fixed by the computer main board fixing device, but the computer main board fixing device can only install and fix the computer main boards with the same size, the application range is limited, the use requirement cannot be met, and the situation is fully met.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an adjustable computer motherboard fixing device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an adjustable computer motherboard fixing device comprises a motherboard fixing device body fixed on the inner wall of a computer shell by threads, wherein the motherboard fixing device body comprises two return-shaped rods fixed on the inner wall of the computer shell by threads, a first positioning rod is fixedly connected between the inner walls of the two sides of the return-shaped rods, two moving rods are sleeved on the two first positioning rods in a sliding way, the first positioning rod has a positioning effect on the moving rods, two first rectangular perforations are formed on one side of the moving rods, the inner wall of each first rectangular perforation is sleeved with the outer side of the corresponding first positioning rod in a sliding way, rectangular grooves are formed on the inner walls of one sides of the upper and lower opposite first rectangular perforations, hard rubber is embedded on one sides of the two first positioning rods, an elastic pressing and fixing mechanism is sleeved in the rectangular grooves in a sliding way, the elastic pressing mechanism is tightly contacted with one side of the corresponding hard rubber, the fixing of the movable rod can be realized by utilizing the friction force between the elastic pressing mechanism and the hard rubber, the mutually far sides of the upper and lower opposite elastic pressing mechanisms are respectively extended out of the corresponding movable rod, the mutually near sides of the two movable rods are respectively provided with a first groove, a thread driving mechanism is rotatably arranged between the inner wall of the top of the first groove and the inner wall of the bottom, two L-shaped clamping plates are fixedly connected with the mutually near sides of the two thread driving mechanisms, the thread driving mechanism is used for driving the L-shaped clamping plates to move in position, the left and right opposite L-shaped clamping plates are symmetrically arranged, the upper and lower opposite L-shaped clamping plates are symmetrically arranged, the thread driving mechanism is fixedly sleeved with a rotary driving mechanism, the rotary driving mechanism is used for driving the corresponding thread driving mechanism to rotate, one side of the two rotary driving mechanisms, which is far away from each other, extends out of the corresponding movable rod.

Preferably, the elastic pressing mechanism comprises a first moving block which is sleeved in the corresponding rectangular groove in a sliding manner, one side, close to the corresponding first positioning rod, of the first moving block is fixedly connected with a plurality of sharp blocks, the sharp ends of the sharp blocks are in tight contact with one side of the corresponding hard rubber, under the action of friction force between the sharp blocks and the hard rubber, the fixing of the moving rod can be achieved, one side, far away from each other, of the two first moving blocks which are opposite up and down is fixedly connected with a T-shaped moving rod, the T-shaped moving rod plays a guiding effect on the corresponding first moving block, one side, far away from each other, of the two T-shaped moving rods which are opposite up and down is respectively extended out of the corresponding rectangular groove, one side, far away from each other, of the two first moving blocks is respectively connected with a plurality of compression springs in a compression state, and the compression springs in the compression state can always give the first moving block a compression force, so that the corresponding sharp blocks can be driven by the first moving block to be in tight contact with the hard rubber all the time.

Preferably, the screw thread actuating mechanism includes two screws, the one end that two upper and lower relative screws kept away from each other rotates the installation with the top inner wall and the bottom inner wall of corresponding first groove respectively, the screw thread of two upper and lower relative screws revolves to opposite, the one end that two upper and lower relative screws are close to each other welds mutually, the screw thread cover is equipped with the second movable block on the screw rod, the mode of second movable block and corresponding screw thread connection can drive the second movable block position that corresponds and remove when the screw rotation, the second movable block is kept away from its open-ended one side inner wall slidable mounting with corresponding first groove, one side that the second movable block is close to corresponding L shape splint and L shape splint fixed connection.

Preferably, the rotary driving mechanism comprises a first bevel gear, the first bevel gear is fixedly sleeved on a corresponding screw rod, the second bevel gears are meshed with one sides of the two first bevel gears, which are far away from each other, the T-shaped rotating rods are fixedly connected with one sides of the two second bevel gears, which are far away from each other, the corresponding second bevel gears are driven to rotate by the T-shaped rotating rods, one sides of the two T-shaped rotating rods, which are far away from each other, are respectively extended to the outside of the corresponding moving rods, and the moving rods are rotatably sleeved on the corresponding T-shaped rotating rods.

Preferably, the first groove is far away from the groove on the inner wall of one side of the opening, the groove is far away from the T-shaped sliding rail fixedly connected with the inner wall of one side of the opening, the T-shaped sliding grooves are formed in the sides, far away from each other, of the left and right opposite second moving blocks, the T-shaped sliding rail is slidably mounted with the corresponding T-shaped sliding grooves, and the T-shaped sliding rail has a guiding effect on the second moving blocks.

Preferably, the inner walls of one side of the two first grooves far away from each other are provided with circular holes, the circular holes are fixedly sleeved with first bearings, the inner sides of the inner rings of the first bearings are fixedly connected with the outer sides of the corresponding T-shaped rotating rods, and the first bearings play a role in rotating and installing the corresponding T-shaped rotating rods.

Preferably, four thread grooves are formed in the side wall of the computer shell, two first threaded holes are formed in the front side of the loop-shaped rod, the thread grooves and corresponding first threaded holes are sleeved with the same T-shaped fixing bolt, and the loop-shaped rod is fixed through the T-shaped fixing bolt.

Preferably, the elastic buffer mechanism is installed in the L-shaped clamping plate, the elastic buffer mechanism comprises clamping blocks arranged in the L-shaped clamping plate, one sides, away from each other, of the upper and lower opposite clamping blocks are fixedly connected with T-shaped positioning rods, the L-shaped clamping plate is slidably sleeved on the corresponding T-shaped positioning rods, a plurality of first springs are fixedly connected between one side, close to the corresponding T-shaped positioning rods, of the clamping blocks and one side inner wall of the L-shaped clamping plate, one sides, close to each other, of the upper and lower opposite clamping blocks are fixedly adhered with first anti-slip rubber, the first springs are matched with the corresponding clamping blocks, so that the hard clamping force in the clamping process can be relieved, and the situation that a computer main board is damaged due to large clamping force is reduced.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the first positioning rod, the elastic pressing mechanism, the moving rod, the thread driving mechanism and the rotary driving mechanism, the computer main board can be clamped and fixed by adjusting the positions of the L-shaped clamping plates, so that the computer main boards with different specifications can be clamped and fixed, the computer main board can be disassembled and assembled by adjusting the positions of the L-shaped clamping plates without tools, the operation of personnel is facilitated, and the disassembly and assembly efficiency is improved;

2. the elastic buffer mechanism is arranged, so that the hard clamping force can be relieved in the clamping process, and the situation that the computer main board is damaged due to the large clamping force can be effectively reduced;

according to the utility model, through the arrangement of the elastic pressing mechanism, the movable rod, the thread driving mechanism and the rotary driving mechanism, the computer main board can be clamped and fixed by adjusting the positions of the L-shaped clamping plates, so that the computer main boards with different specifications can be clamped and fixed, the computer main board can be disassembled and assembled by adjusting the positions of the L-shaped clamping plates without tools, the operation of personnel is convenient, the disassembly and assembly efficiency is improved, and the hard clamping force can be relieved in the clamping process through the arrangement of the elastic buffer mechanism, so that the situation that the computer main board is damaged due to larger clamping force can be effectively reduced.

Drawings

Fig. 1 is a schematic front view of an adjustable fixing device for a motherboard of a computer according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

fig. 4 is a schematic cross-sectional view of an adjustable fixing device for a motherboard of a computer according to a second embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;

fig. 6 is a schematic perspective view of a loop bar, an elastic pressing mechanism and a movable bar connector of an adjustable computer motherboard fixing device according to an embodiment of the present utility model.

In the figure: 100. a computer housing; 1. a loop bar; 2. a first positioning rod; 3. a moving rod; 4. a first groove; 5. a screw; 6. a second moving block; 7. an L-shaped clamping plate; 8. a first bevel gear; 9. a second bevel gear; 10. a T-shaped rotating rod; 11. rectangular grooves; 12. a first moving block; 13. a compression spring; 14. a T-shaped movable rod; 15. a sharp block; 16. hard rubber; 17. a clamping block; 18. a T-shaped positioning rod; 19. a first spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples

Referring to fig. 1, 2, 3 and 6, an adjustable computer motherboard fixing device comprises a motherboard fixing device body screwed on the inner wall of a computer housing 100, wherein the motherboard fixing device body comprises two rectangular shaped rods 1 screwed on the inner wall of the computer housing 100, four thread grooves are formed on the side wall of the computer housing 100, two first thread holes are formed on the front side of each rectangular shaped rod 1, the thread grooves and corresponding first thread holes are internally sheathed with the same T-shaped fixing bolt, the T-shaped fixing bolt and the thread grooves are matched, the fixation of the rectangular shaped rods 1 can be realized, a first positioning rod 2 is fixedly connected between the inner walls of the two sides of the rectangular shaped rods 1, two first positioning rods 2 are sheathed with two moving rods 3 in a sliding manner, one side of each moving rod 3 is provided with two first rectangular perforations, the inner walls of each first rectangular perforation and the corresponding first positioning rod 2 are sheathed in a sliding manner, one side of each first rectangular perforation is provided with a rectangular groove 11, one side of each first rectangular perforation is sheathed with two opposite side of each other, each hard rubber layer is sheathed with two elastic rubber layers 16, each hard rubber layer is sheathed with two elastic rubber layers, and the two sides of each hard rubber layers are sheathed with elastic rubber layers and are arranged in a corresponding side of the elastic rubber layers and are stretched, and are contacted with each other, and the elastic rubber layers and are sheathed with elastic rubber layers and are stretched and are tightly and pressed;

the elastic pressing mechanism comprises a first moving block 12 which is sleeved in a corresponding rectangular groove 11 in a sliding manner, one side, close to the corresponding first positioning rod 2, of the first moving block 12 is fixedly connected with a plurality of sharp blocks 15, the sharp ends of the sharp blocks 15 are in close contact with one side of a corresponding hard rubber sheet 16, one sides, far away from each other, of the two upper and lower first moving blocks 12 are fixedly connected with T-shaped moving rods 14, one sides, far away from each other, of the two upper and lower opposite T-shaped moving rods 14 respectively extend out of the corresponding return-shaped rod 1, a second rectangular perforation is formed in the inner wall, far away from the opening side of the rectangular groove 11, of the second rectangular perforation is in sliding sleeve connection with the outer side of the corresponding T-shaped moving rod 14, the T-shaped moving rod 14 has a guiding effect on the first moving block 12, a plurality of compression springs 13 in a compression state are fixedly connected between one side, far away from each other, of the two upper and lower opposite first moving blocks 12 and one side inner wall of the corresponding rectangular groove 11, the compression springs 13 in the compression state are arranged, the first moving blocks 12 can always be provided with second rectangular perforation, and the sharp edges of the corresponding hard rubber sheet 16 can be driven by the first moving blocks 12 always to be in close contact with the corresponding hard rubber sheet 16;

a first groove 4 is formed on one side of the two moving rods 3, which is close to each other, a screw driving mechanism is rotatably arranged between the top inner wall and the bottom inner wall of the first groove 4, wherein the screw driving mechanism comprises two screw rods 5, one ends, which are far away from each other, of the upper and lower opposite screw rods 5 are rotatably arranged on the top inner wall and the bottom inner wall of the corresponding first groove 4 respectively, rotating grooves are formed on the top inner wall and the bottom inner wall of the first groove 4, a second bearing is fixedly sleeved in the rotating grooves, the inner side of an inner ring of the second bearing is fixedly connected with the outer side of the corresponding screw rod 5, the second bearing has the effect of rotatably mounting the corresponding screw rod 5, the screw threads of the upper and lower opposite screw rods 5 are opposite in rotation direction, one ends, which are close to each other, of the upper and lower opposite screw rods 5 are welded, a second moving block 6 is sleeved on the screw rods 5, the top of the second moving block 6 is provided with a first threaded hole, the first threaded hole is in threaded connection with the corresponding screw 5, the second moving block 6 can drive the corresponding second moving block 6 to move when the screw 5 rotates in a threaded connection mode through the corresponding first threaded hole, the second moving block 6 and the corresponding first groove 4 are slidably mounted on the inner wall of one side, far away from the opening, of the first groove 4, a groove is formed in the inner wall of one side, far away from the opening, of the first groove 4, a T-shaped sliding rail is fixedly connected to the inner wall of one side, far away from the opening, of the groove, a T-shaped sliding groove is formed in one side, far away from each other, of the left and right, of the two opposite second moving blocks 6, the T-shaped sliding rail is slidably mounted with the corresponding T-shaped sliding groove, and the T-shaped sliding rail has a guiding effect on the corresponding second moving block 6;

the L-shaped clamping plates 7 are fixedly connected to the sides, close to each other, of the left and right opposite second moving blocks 6, the left and right opposite L-shaped clamping plates 7 are symmetrically arranged, the upper and lower opposite L-shaped clamping plates 7 are symmetrically arranged, second anti-slip rubber is fixedly adhered to the inner wall of the side, far away from each other, of the left and right opposite L-shaped clamping plates 7, the second anti-slip rubber is arranged, the slipping phenomenon in the clamping process can be reduced, a rotary driving mechanism is fixedly sleeved on the screw 5, the sides, far away from each other, of the two rotary driving mechanisms are respectively extended to the outside of the corresponding moving rod 3, wherein the rotary driving mechanism comprises a first bevel gear 8, the first bevel gear 8 is fixedly sleeved on the corresponding one screw 5, the sides, far away from each other, of the two first bevel gears 8 are respectively meshed with a second bevel gear 9, the sides, far away from each other, of the two second bevel gears 9 are respectively fixedly connected with a T-shaped rotating rod 10, the two T-shaped rotating rods 10 are respectively extended to the outside of the corresponding moving rod 3 from one side far away from each other, the moving rod 3 is rotatably sleeved on the corresponding T-shaped rotating rod 10, the inner wall of one side far away from each other of the two first grooves 4 is provided with a circular hole, a first bearing is fixedly sleeved in the circular hole, the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the corresponding T-shaped rotating rod 10, the first bearing plays the role of rotatably mounting the corresponding T-shaped rotating rod 10, the computer main board can be clamped and fixed by adjusting the position of the L-shaped clamping plate 7 through the arrangement of an elastic pressing mechanism, the moving rod, a thread driving mechanism and a rotary driving mechanism, so that the computer main board with different specifications can be clamped and fixed by adjusting the position of the L-shaped clamping plate 7, can be completed without tools, is convenient for personnel to operate, and improves the disassembly and assembly efficiency.

Working principle: when the movable clamp plate is used, a computer main plate to be fixed is placed between four L-shaped clamp plates 7, the positions of the L-shaped clamp plates 7 are adjusted according to the length and the height of the computer main plate, when the distance between the left and right opposite L-shaped clamp plates 7 is adjusted, the T-shaped movable rod 14 is pulled in the direction away from the first positioning rod 2, the T-shaped movable rod 14 drives the corresponding first movable block 12 to slide in the rectangular groove 11, the first movable block 12 moves and simultaneously compresses the corresponding compression spring 13, the first movable block 12 drives the corresponding plurality of sharp blocks 15 to be separated from the hard rubber 16, the fixation of the movable rod 3 is released, the movable rod 3 can move towards the direction close to the computer main plate at the moment, the movable rod 3 sequentially drives the L-shaped clamp plates 7 through the corresponding screw 5 and the second movable block 6, when the L-shaped clamp plates 7 move to be contacted with the computer main plate, the tension of the T-shaped movable rod 14 can be stopped, the corresponding first movable block 12 is slowly driven to be in the compressed state at the moment, and the corresponding compression spring 13 is driven to be in the direction close to the first positioning rod 2, the corresponding sharp blocks 15 are driven to the corresponding sharp blocks 16 to the sharp rubber 16 to be tightly contacted with the hard rubber 16, and the sharp rubber 15 is tightly contacted with the left and the sharp rubber 15 is tightly contacted with the corresponding sharp rubber 15 at the positions, and the sharp rubber is tightly fixed at the positions;

the distance between the two L-shaped clamping plates 7 which are opposite up and down is adjusted according to the height of the computer main board, when the distance is adjusted, the T-shaped rotating rod 10 is positively rotated, the T-shaped rotating rod 10 drives the corresponding second bevel gear 9 to rotate, the second bevel gear 9 drives the first bevel gear 8 meshed with the second bevel gear to rotate, the first bevel gear 8 drives the corresponding two screw rods 5 to rotate, under the action of a second threaded hole formed in the second moving block 6, the threads of the two screw rods 5 which are opposite up and down rotate to be opposite to each other, so that the two screw rods 5 which are opposite up and down rotate and simultaneously drive the two second moving blocks 6 to move in the directions of approaching each other, the two L-shaped clamping plates 7 which are opposite up and down drive the corresponding two L-shaped clamping plates 7 to move in the directions of approaching each other, the four L-shaped clamping plates 7 are clamped and fixed to the computer main board, and the clamping and fixing of computers with different specifications can be realized by adjusting the positions of the L-shaped clamping plates 7, so that the application range is improved;

when dismantling, reverse rotation T shape bull stick 10, the same reason is opposite with the direction of motion that forward rotated T shape bull stick 10 for two relative L shape splint 7 about turn into and remove to the direction that keeps away from each other, remove the fixed to the computer motherboard in the time of two relative L shape splint 7 remove from top to bottom, can take off the computer motherboard, during the installation, can forward rotation T shape bull stick 10 once more, can realize the installation again, and carry out the mode of dismouting to the computer motherboard through adjusting the position of L shape splint 7, need not accomplish with the help of the instrument, make things convenient for personnel's operation, improve dismouting efficiency.

Examples

Referring to fig. 4 and 5, this embodiment differs from the first embodiment in that: the L-shaped clamping plate 7 is internally provided with an elastic buffer mechanism, the elastic buffer mechanism comprises clamping blocks 17 arranged in the L-shaped clamping plate 7, two clamping blocks 17 which are opposite from top to bottom are fixedly connected with T-shaped positioning rods 18 on one sides which are far away from each other, the L-shaped clamping plate 7 is slidably sleeved on the corresponding T-shaped positioning rods 18, an installation perforation which is slidably sleeved with the T-shaped positioning rods 18 is reserved on the L-shaped clamping plate 7, a plurality of first springs 19 are fixedly connected between one side, close to the corresponding T-shaped positioning rods 18, of the clamping blocks 17 and one side inner wall of the L-shaped clamping plate 7, and one sides, close to each other, of the two clamping blocks 17 which are opposite from top to bottom are fixedly bonded with first anti-slip rubber sheets.

Working principle: when the movable clamp plate is used, a computer main plate to be fixed is placed between four L-shaped clamp plates 7, the positions of the L-shaped clamp plates 7 are adjusted according to the length and the height of the computer main plate, when the distance between the left and right opposite L-shaped clamp plates 7 is adjusted, the T-shaped movable rod 14 is pulled in the direction away from the first positioning rod 2, the T-shaped movable rod 14 drives the corresponding first movable block 12 to slide in the rectangular groove 11, the first movable block 12 moves and simultaneously compresses the corresponding compression spring 13, the first movable block 12 drives the corresponding plurality of sharp blocks 15 to be separated from the hard rubber 16, the fixation of the movable rod 3 is released, the movable rod 3 can move towards the direction close to the computer main plate at the moment, the movable rod 3 sequentially drives the L-shaped clamp plates 7 through the corresponding screw 5 and the second movable block 6, when the L-shaped clamp plates 7 move to be contacted with the computer main plate, the tension of the T-shaped movable rod 14 can be stopped, the corresponding first movable block 12 is slowly driven to be in the compressed state at the moment, and the corresponding compression spring 13 is driven to be in the direction close to the first positioning rod 2, the corresponding sharp blocks 15 are driven to the corresponding sharp blocks 16 to the sharp rubber 16 to be tightly contacted with the hard rubber 16, and the sharp rubber 15 is tightly contacted with the left and the sharp rubber 15 is tightly contacted with the corresponding sharp rubber 15 at the positions, and the sharp rubber is tightly fixed at the positions;

the method comprises the steps that the distance between two L-shaped clamping plates 7 which are opposite to each other is adjusted according to the height of a computer main board, when the distance is adjusted, a T-shaped rotating rod 10 is positively rotated, the T-shaped rotating rod 10 drives a corresponding second bevel gear 9 to rotate, the second bevel gear 9 drives a first bevel gear 8 meshed with the corresponding second bevel gear 9 to rotate, the first bevel gear 8 drives two corresponding screws 5 to rotate, under the action of a second threaded hole formed in a second moving block 6, as the threads of the two upper and lower opposite screws 5 rotate oppositely, the two upper and lower opposite screws 5 are driven to move in the direction of approaching each other while rotating, the two upper and lower opposite second moving blocks 6 drive the corresponding two L-shaped clamping plates 7 to move in the direction of approaching each other, the L-shaped clamping plates 7 are driven to move through corresponding first springs 19, the clamping blocks 17 drive corresponding first anti-slip rubber to move to the outer sides of a computer, the clamping blocks 17 are limited to move continuously when the corresponding first anti-slip rubber is contacted with the outer sides of the computer, the clamping plates are driven by the corresponding L-shaped clamping plates 7 to move, the clamping force of the corresponding L-shaped clamping plates is increased, the clamping plates can be adjusted by the computer main board, the clamping force can be reduced by the computer main board, and the clamping force can be adjusted according to the requirements of the computer main board is reduced, and the requirements can be met by the fact that the clamping force is increased by the corresponding to the position of the corresponding clamping plates, and the main board is adjusted by the corresponding to the position of the main board, and the main board is compressed by the computer main board, and the main board is compressed by the compression board;

when dismantling, reverse rotation T shape bull stick 10, the same reason is opposite with the direction of motion that forward rotated T shape bull stick 10 for two relative L shape splint 7 about turn into and remove to the direction that keeps away from each other, remove the fixed to the computer motherboard in the time of two relative L shape splint 7 remove from top to bottom, can take off the computer motherboard, during the installation, can forward rotation T shape bull stick 10 once more, can realize the installation again, and carry out the mode of dismouting to the computer motherboard through adjusting the position of L shape splint 7, need not accomplish with the help of the instrument, make things convenient for personnel's operation, improve dismouting efficiency.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediary, or connected through communication between two elements. The specific meaning of the above terms in this application will be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a computer motherboard fixing device with adjustable, includes the mainboard fixing device body that the screw thread is fixed on the inner wall of computer casing (100), mainboard fixing device body includes two return shape poles (1) that the screw thread is fixed on the inner wall of computer casing (100), its characterized in that, fixedly connected with first locating lever (2) between the both sides inner wall of return shape pole (1), slide sleeve is equipped with two movable rod (3) on two first locating levers (2), two first rectangle perforation have been seted up to one side of movable rod (3), the inner wall of first rectangle perforation and the outside slip suit of corresponding first locating lever (2), rectangular groove (11) have all been seted up on the one side inner wall that upper and lower relative two first rectangle perforation kept away from each other, one side that two first locating levers (2) kept away from each other is all inlayed and is equipped with hard rubber (16), rectangular groove (11) are equipped with elastic press the solid mechanism, elastic press solid mechanism and one side of corresponding hard rubber (16) in close contact, two relative two elastic press solid mechanisms are equipped with two movable clamp plates (3) and are equipped with two first side inner wall (4) that the inner wall that the relative one side is kept away from each other, two side that the relative drive screw thread is close to each other is equipped with between two side (7) and two inner wall (7) that the relative one side that the relative side is kept away from each other, two side that the inner wall that the relative side that the relative two opposite side is kept away from each other is equipped with screw thread (4), two L-shaped clamping plates (7) which are opposite from top to bottom are symmetrically arranged, a rotary driving mechanism is fixedly sleeved on the threaded driving mechanism, and one sides, away from each other, of the two rotary driving mechanisms extend out of the corresponding movable rods (3) respectively.

2. The adjustable computer motherboard fixing device according to claim 1, wherein the elastic pressing mechanism comprises a first moving block (12) slidably sleeved in a corresponding rectangular groove (11), one side of the first moving block (12) close to the corresponding first positioning rod (2) is fixedly connected with a plurality of pointed blocks (15), the pointed ends of the pointed blocks (15) are tightly contacted with one side of the corresponding hard rubber (16), one sides of the upper and lower opposite first moving blocks (12) away from each other are fixedly connected with T-shaped moving rods (14), one sides of the upper and lower opposite T-shaped moving rods (14) away from each other extend out of the corresponding rectangular groove (1) respectively, and a plurality of compression springs (13) in compression states are fixedly connected between one sides of the upper and lower opposite first moving blocks (12) away from each other and one side inner walls of the corresponding rectangular groove (11) respectively.

3. The adjustable computer motherboard fixing device according to claim 1, wherein the screw driving mechanism comprises two screws (5), one ends of the two screws (5) which are opposite to each other are respectively rotatably installed on the top inner wall and the bottom inner wall of the corresponding first groove (4), the screw threads of the two screws (5) which are opposite to each other are rotatably installed on the bottom inner wall, one ends of the two screws (5) which are opposite to each other are welded on the screw, a second moving block (6) is sleeved on the screw (5), the second moving block (6) is slidably installed on the inner wall of the side, away from the opening, of the corresponding first groove (4), and one side, close to the corresponding L-shaped clamping plate (7), of the second moving block (6) is fixedly connected with the L-shaped clamping plate (7).

4. An adjustable computer motherboard fixing device according to claim 3, wherein the rotary driving mechanism comprises a first bevel gear (8), the first bevel gear (8) is fixedly sleeved on a corresponding screw rod (5), the second bevel gears (9) are meshed with one side of the two first bevel gears (8) which are far away from each other, the T-shaped rotating rods (10) are fixedly connected with one side of the two second bevel gears (9) which are far away from each other, one side of the two T-shaped rotating rods (10) which are far away from each other extends out of the corresponding movable rods (3), and the movable rods (3) are rotatably sleeved on the corresponding T-shaped rotating rods (10).

5. The adjustable computer motherboard fixing device according to claim 4, wherein the inner wall of the side of the first slot (4) far away from the opening is provided with a groove, the inner wall of the side of the groove far away from the opening is fixedly connected with a T-shaped sliding rail, and the side of the left and right opposite second moving blocks (6) far away from each other is provided with a T-shaped sliding groove, and the T-shaped sliding rail is slidably mounted with the corresponding T-shaped sliding groove.

6. The adjustable computer motherboard fixing device according to claim 4, wherein the inner walls of the two first grooves (4) on one side far away from each other are respectively provided with a circular hole, a first bearing is fixedly sleeved in the circular hole, and the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the corresponding T-shaped rotating rod (10).

7. The adjustable computer motherboard fixing device according to claim 1, wherein four thread grooves are formed in the side wall of the computer housing (100), two first thread holes are formed in the front side of the loop bar (1), and the same T-shaped fixing bolt is sleeved in the thread grooves and the corresponding first thread holes.

8. The adjustable computer motherboard fixing device according to claim 1, wherein an elastic buffer mechanism is further installed in the L-shaped clamping plate (7), the elastic buffer mechanism comprises clamping blocks (17) arranged in the L-shaped clamping plate (7), one sides of the upper and lower opposite clamping blocks (17) away from each other are fixedly connected with T-shaped positioning rods (18), the L-shaped clamping plate (7) is slidably sleeved on the corresponding T-shaped positioning rods (18), a plurality of first springs (19) are fixedly connected between one side of the clamping blocks (17) close to the corresponding T-shaped positioning rods (18) and one side inner wall of the L-shaped clamping plate (7), and one sides of the upper and lower opposite clamping blocks (17) close to each other are fixedly adhered with first anti-skid rubber.

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