CN221179737U

CN221179737U - Portable support frame for computer

Info

Publication number: CN221179737U
Application number: CN202323196842.2U
Authority: CN
Inventors: 何凯; 李琳琳; 贾颖慧
Original assignee: Henan Vocational and Technical College of Communications
Current assignee: Henan Vocational and Technical College of Communications
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-06-21
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses a portable support frame for a computer, which belongs to the technical field of computer support frames and particularly relates to a portable support frame for a computer. The first sliding rod and the fourth sliding rod are fixedly connected with a rotating piece, the rotating piece is connected with a first table plate in a rotating mode, and the first table plate, the second table plate, the third table plate, the fourth table plate and the fifth table plate are connected through hinges.

Description

Portable support frame for computer

Technical Field

The utility model belongs to the technical field of computer support frames, and particularly relates to a portable support frame for a computer.

Background

Today, computers and networks are popular, and people's offices and lives are well separated from computers and network devices. One of the main devices for realizing office and link network, namely a computer, has become an indispensable tool in study, work and life of people, and the time for people to use the computer every day is longer and longer, especially students and many office workers who rely on the computer, and even if the computer is still used in a period of non-work, the average time for people to use the computer every day is as long as 8 hours, in addition, along with the acceleration of the pace of life of people, people often need to open the computer at any time and any place to look up data or send mails, etc., so in order to facilitate the on-site operation of the computer, a computer support frame convenient to use needs to be designed.

In the prior art, the sizes of the computer support frames are fixed sizes, and the computer support frames with matched specifications are needed to be adopted when computers with different specifications are used, so that the computer support frames are poor in general performance, cannot be well suitable for the computers with different specifications, and are inconvenient to store and transport due to large size.

Accordingly, there is a need to provide a new computer bracket to solve the above-described problems.

Disclosure of utility model

The utility model aims at: a portable support for a computer is provided to solve the above-mentioned problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

The utility model provides a portable support frame for computer, includes the bottom plate, the bottom plate top is equipped with standing groove and spout, the bottom plate side is equipped with accomodates the bag, accomodate bag bottom with bottom plate side fixed connection, the bottom plate bottom is equipped with mobile device, mobile device with bottom plate fixed connection, bottom plate top fixedly connected with first bracing piece, second bracing piece, third bracing piece and fourth bracing piece, fixedly connected with horizontal bracing piece between first bracing piece and the second bracing piece, fixedly connected with horizontal bracing piece between third bracing piece and the fourth bracing piece, fixedly connected with vertical bracing piece between first bracing piece and the fourth bracing piece, fixedly connected with vertical bracing piece between second bracing piece and the third bracing piece, be equipped with vertical limit lever on the vertical bracing piece, vertical limit lever top fixedly connected with first auto-lock slider, first auto-lock slider sliding connection in vertical limit lever bottom roll connection has the gyro wheel, gyro wheel sliding connection in the spout, be equipped with horizontal limit lever on the vertical limit lever, horizontal limit lever fixedly connected with second slider, upper limit lever, second slider, upper limit slider and upper limit slider are connected with, the novel table comprises a third supporting rod, a third sliding rod is connected to the third supporting rod in a sliding mode, a rotating piece is fixedly connected to the top of the third sliding rod, a fourth sliding rod is connected to the fourth supporting rod in a sliding mode, a supporting block is fixedly connected to the top of the fourth sliding rod, a sliding rod groove is formed in each of the first sliding rod, the second sliding rod, the third sliding rod and the fourth sliding rod, a first table is fixedly mounted on the top of the rotating piece, a second table is arranged on the left side of the first table, the second table is rotatably connected to the first table through a hinge, a third table is arranged on the left side of the second table, the third table is rotatably connected to the second table through a hinge, a fourth table is arranged on the right side of the first table, a fifth table is arranged on the right side of the fourth table, and the fifth table is rotatably connected to the fourth table through a hinge.

As a further description of the above technical solution:

The lifting device comprises a knob, a rotating shaft seat and a rack, wherein one end of the knob is fixedly connected with a rotating shaft, the rotating shaft is slidably connected with a sliding rod groove, one end of the rotating shaft is fixedly connected with a square rotating shaft, a gear is fixedly connected to the rotating shaft, a round rotating shaft groove and a square rotating shaft groove are formed in the rotating shaft seat, the rotating shaft seat is fixedly connected to the inside of the first supporting rod, the square rotating shaft is rotationally connected to the rotating shaft seat, the rack is fixedly connected to the inside of the first sliding rod, and the rack is in threaded connection with the gear.

As a further description of the above technical solution:

the first self-locking sliding device comprises a sliding block, one side of the sliding block is fixedly connected with a first binding belt, the first binding belt is rotationally connected with a first binding rod, the first binding rod is fixedly connected with a pressing plate, the other side of the sliding block is fixedly connected with a second binding belt, the second binding belt is rotationally connected with a second binding rod, the second binding rod is fixedly connected with the pressing plate, and a fixing buckle is fixedly connected with the second binding belt.

As a further description of the above technical solution:

The limiting sliding block comprises a limiting plate and a fixing sleeve, wherein a fixing block is fixedly connected to the limiting plate, and the fixing sleeve is in threaded connection with the limiting plate.

As a further description of the above technical solution:

The rotating piece comprises a fixed head and a rotating head, wherein the fixed head is fixedly connected with a rotating shaft, and the rotating head is rotationally connected with the rotating shaft.

As a further description of the above technical solution:

The mobile device comprises a connecting block, a locking rod and a rotating block, wherein the connecting block is fixedly connected to a bottom plate, a locking groove is formed in the connecting block, the locking rod is slidably connected to the locking groove, a rotating shaft is fixedly connected to the connecting block, the rotating block is rotationally connected to the rotating shaft, and a universal wheel is fixedly connected to the rotating block.

As a further description of the above technical solution:

The storage bag is fixedly connected with a handle, and the storage bag is connected with a binding rope in a sliding manner.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. In the utility model, the tops of the first support rod, the second support rod, the third support rod and the fourth support rod are rotatably connected with the lifting device, the height of the desktop can be adjusted by utilizing the lifting device, the vertical limiting rod is provided with the horizontal limiting rod, the horizontal limiting rod is provided with the limiting slide block, and the positions of the horizontal limiting rod and the limiting slide block can be adjusted, so that computer cases with different specifications can be fixed.

2. According to the utility model, the first table plate, the second table plate, the third table plate, the fourth table plate and the fifth table plate are connected through the hinges, so that the table plates can be folded during storage, and the storage and the transportation are convenient.

3. According to the utility model, the connecting block of the mobile device, the locking rod and the rotating block are fixedly connected to the bottom plate, the locking groove is formed in the connecting block, the locking rod is slidably connected to the locking groove, the rotating shaft is fixedly connected to the connecting block, the rotating block is rotatably connected to the rotating shaft, the rotating block is fixedly connected with the universal wheel, and the universal wheel can be retracted and put down and can move the support frame in the use process.

4. According to the utility model, the bottom plate is fixedly connected with the storage bag, the storage bag is fixedly connected with the handle, and the storage bag is connected with the tying rope in a sliding manner, so that the storage and the transportation are convenient.

Drawings

FIG. 1 is a schematic view of an expanded state perspective structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional structure of the folding table of the present utility model;

FIG. 3 is a schematic view of a lifting device according to the present utility model;

FIG. 4 is a schematic view of a first self-locking sliding device according to the present utility model;

FIG. 5 is a schematic view of a limit slider according to the present utility model;

FIG. 6 is a schematic view of a rotor structure according to the present utility model;

FIG. 7 is a schematic diagram of a mobile device according to the present utility model;

Fig. 8 is a perspective view showing a storage state according to the present utility model;

Legend description: 1. a bottom plate; 2. a lifting device; 201. a knob; 202. a rotation shaft; 203. a gear; 204. a square rotating shaft; 205. a rotating shaft seat; 206. a rack; 207. a circular rotating shaft groove; 208. square rotating shaft groove; 3. a first self-locking slide; 301. a slide block; 302. a first strap; 303. a second belt; 304. pressing the plate; 305. a first beam-converging rod; 306. a second beam-converging rod; 307. a fixing buckle; 4. a limit sliding block; 401. a limiting plate; 402. a fixed block; 403. a fixed sleeve; 5. a support block; 6. A rotating member; 601. a fixed head; 602. a rotating shaft; 603. a rotating head; 7. a mobile device; 701. a connecting block; 702. a locking groove; 703. a locking lever; 704. a rotating shaft; 705. a rotating block; 706. a universal wheel; 8. a storage bag; 9. a placement groove; 10. a chute; 11. a first support bar; 12. a second support bar; 13. a third support bar; 14. a fourth support bar; 15. a transverse support bar; 16. a longitudinal support bar; 17. a vertical limit rod; 18. a horizontal stop lever; 19. a roller; 20. a first table; 21. a second table plate; 22. a third table plate; 23. a fourth table plate; 24. a fifth table plate; 25. a hinge; 26. a first slide bar; 27. a second slide bar; 28. a third slide bar; 29. a fourth slide bar; 30. a sliding rod groove; 31. the second self-locking sliding device; 32. a handle; 33. and (5) tying the rope.

Detailed Description

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: the portable support frame for the computer comprises a bottom plate 1, a placing groove 9 and a sliding chute 10 are arranged at the top of the bottom plate 1, a storage bag 8 is arranged on the side surface of the bottom plate 1, the bottom of the storage bag 8 is fixedly connected with the side surface of the bottom plate 1, a moving device 7 is arranged at the bottom of the bottom plate 1, the moving device 7 is fixedly connected with the bottom plate 1, a first support rod 11, a second support rod 12, a third support rod 13 and a fourth support rod 14 are fixedly connected with the top of the bottom plate 1, a transverse support rod 15 is fixedly connected between the first support rod 11 and the second support rod 12, a transverse support rod 15 is fixedly connected between the third support rod 13 and the fourth support rod 14, a longitudinal support rod 16 is fixedly connected between the first support rod 11 and the fourth support rod 14, a vertical limit rod 17 is arranged on the longitudinal support rod 16, a first self-locking sliding device 3 is slidingly connected with the longitudinal support rod 16, a vertical limit rod 17 is arranged at the bottom of the vertical limit rod 17, a second support rod 19 is fixedly connected with the second support rod 18, a horizontal limit rod 18 is fixedly connected with the horizontal limit rod 18, a horizontal limit device 18 is arranged on the horizontal limit rod 18, a horizontal limit device is connected with the horizontal limit rod 18, a vertical limit device is connected with the horizontal limit device 18, a horizontal limit device is connected with the horizontal limit device 18, a vertical limit device is connected with the horizontal limit device 18, and the horizontal limit device is connected with the horizontal limit device 18, the first support rod 11 is connected with a first sliding rod 26 in a sliding manner, the first sliding rod 26 is fixedly connected with a support block 5 in the top portion, the second support rod 12 is connected with a second sliding rod 27 in a sliding manner, the second sliding rod 27 is fixedly connected with a rotating piece 6 in the top portion, the third support rod 13 is connected with a third sliding rod 28 in a sliding manner, the third sliding rod 28 is fixedly connected with a rotating piece 6 in the top portion, the fourth support rod 14 is connected with a fourth sliding rod 29 in a sliding manner, the support block 5 is fixedly connected with the top portion of the fourth sliding rod 29, a sliding rod groove 30 is formed in the top portion of the first sliding rod 26, the top portion of the second sliding rod 27, the third sliding rod 28 and the fourth sliding rod 29, the top portion of the rotating piece 6 is fixedly arranged with a first table 20, a second table 21 is arranged on the left side of the first table 20, the second table 21 is connected with the first table 20 in a rotating manner through a hinge 25 in a rotating manner, the left side of the second table 21 is provided with a third table 22, the third table 22 is connected with the fourth table 21 in a rotating manner through the fourth table 25 in a hinge 23, the fourth table 20 is connected with the fourth table 23 through the fourth table 25 in a rotating manner, the fourth table 20 is connected with the fourth table 20 through the hinge 23.

The implementation mode specifically comprises the following steps: the lifting device 2 is rotated to adjust the heights of the first supporting rod 11, the second supporting rod 12, the third supporting rod 13 and the fourth supporting rod 14, the tabletop height is adjusted, the first tabletop 20, the second tabletop 21, the third tabletop 22, the fourth tabletop 23 and the fifth tabletop 24 are connected through the hinge 25, the lifting device can be directly unfolded or stored when in use, after the chassis is placed in the placing groove 9 on the bottom plate, the first self-locking sliding device 3 and the second self-locking sliding device 31 are unlocked, the vertical limiting rod 17 and the horizontal limiting rod 18 are slid, the chassis is fixed through the limiting sliding block 4 after the positions are adjusted, the moving device 7 is arranged at the bottom of the bottom plate 1, and the supporting frame can be pushed to move by putting down the moving device 7.

The lifting device 2 comprises a knob 201, a rotating shaft seat 205 and a rack 206, wherein one end of the knob 201 is fixedly connected with a rotating shaft 202, the rotating shaft 202 is slidably connected with a sliding rod groove 30, one end of the rotating shaft 202 is fixedly connected with a square rotating shaft 204, a gear 203 is fixedly connected to the rotating shaft 202, a circular rotating shaft groove 207 and a square rotating shaft groove 208 are arranged on the rotating shaft seat 205, the rotating shaft seat 205 is fixedly connected to the inside of the first supporting rod 11, the square rotating shaft 204 is rotatably connected to the rotating shaft seat 205, the rack 206 is fixedly connected to the inside of the first sliding rod 26, and the rack 206 is in threaded connection with the gear 203.

The implementation mode specifically comprises the following steps: after the knob 201 is pulled outwards, the square rotating shaft 204 is pulled out of the square rotating shaft groove 208, the knob 201 can be rotated to drive the gear 203 to rotate, so that the rack 206 is driven to move up and down, after adjustment is completed, the knob 201 is pushed inwards, the square rotating shaft 204 is inserted into the square rotating shaft groove 208, and the square rotating shaft groove 208 clamps the square rotating shaft 204, so that the knob 201 cannot rotate, and the rack 206 can be fixed.

The first self-locking sliding device 3 comprises a sliding block 301, a first binding band 302 is fixedly connected to one side of the sliding block 301, the first binding band 302 is rotatably connected to a first binding rod 305, the first binding rod 305 is fixedly connected to a pressing plate 304, a second binding band 303 is fixedly connected to the other side of the sliding block 301, the second binding band 303 is rotatably connected to a second binding rod 306, the second binding rod 306 is fixedly connected to the pressing plate 304, and a fixing buckle 307 is fixedly connected to the second binding band 303.

The implementation mode specifically comprises the following steps: the pressing plate 304 is separated from the fixing buckle 307, so that the binding of the first binding belt 302 and the second binding belt 303 to the sliding block 301 is loosened, the friction force between the sliding block 301 and the longitudinal support rod 16 is reduced, the first self-locking sliding device 3 can freely slide on the longitudinal support rod 16, after the position is adjusted, the pressing plate 304 is fixed to the fixing buckle 307, the binding of the first binding belt 302 and the second binding belt 303 to the sliding block 301 is tightened, the friction force between the sliding block 301 and the longitudinal support rod 16 is increased, and the first self-locking sliding device 3 is fixed on the longitudinal support rod 16.

The limit sliding block 4 comprises a limit plate 401 and a fixed sleeve 403, wherein a fixed block 402 is fixedly connected to the limit plate 401, and the fixed sleeve 403 is in threaded connection with the limit plate 401.

The implementation mode specifically comprises the following steps: the fixing sleeve 403 is unscrewed, the pressing of the fixing block 402 is loosened, the friction force between the fixing block 402 and the horizontal limiting rod 18 is reduced, the limiting slide block 4 can slide on the horizontal limiting rod 18 freely, after the position is adjusted, the fixing sleeve 403 is screwed, pressure is applied to the fixing block 402, the friction force between the fixing block 402 and the horizontal limiting rod 18 is increased, and the limiting slide block 4 is fixed on the horizontal limiting rod 18.

The rotating member 6 comprises a fixed head 601 and a rotating head 603, the fixed head 601 is fixedly connected with a rotating shaft 602, and the rotating head 603 is rotatably connected to the rotating shaft 602.

The implementation mode specifically comprises the following steps: through rotatory rotating head 603, make first table 20 level place, the other end of first table 20 is supported through supporting shoe 5 to lead to rotating head 603 unable rotation, make first table 20 keep stable, during accomodate, according to accomodate supporting shoe 5, make it no longer support first table 20, then rotatory rotating head 603 makes first table 20 place perpendicularly, thereby can accomodate first table 20.

The moving device 7 comprises a connecting block 701, a locking rod 703 and a rotating block 705, wherein the connecting block 701 is fixedly connected to the bottom plate 1, a locking groove 702 is formed in the connecting block 701, the locking rod 703 is slidably connected to the locking groove 702, a rotating shaft 704 is fixedly connected to the connecting block 701, the rotating block 705 is rotatably connected to the rotating shaft 704, and a universal wheel 706 is fixedly connected to the rotating block 705.

The implementation mode specifically comprises the following steps: the locking rod 703 is moved to the upper end of the locking groove 702, the rotating block 705 is rotated to drive the universal wheel 706 to rotate to be horizontal to the ground, at the moment, the connecting block 701 plays a supporting role, the rotating block 705 is rotated to drive the universal wheel 706 to rotate to be vertical to the ground, the locking rod 703 is moved to the lower end of the locking groove 702, at the moment, the locking rod 703 limits the rotating block 705 to enable the rotating block 705 to be unable to rotate, and at the moment, the universal wheel 706 plays a supporting role.

The handle 32 is fixedly connected to the storage bag 8, and the tying rope 33 is connected to the storage bag 8 in a sliding manner.

The implementation mode specifically comprises the following steps: after the support frame is stored in the storage bag 8, the bag mouth of the storage bag 8 can be reduced by tightening the tying rope 33, the bag mouth of the storage bag 8 can be enlarged by loosening the tying rope 33, and the support frame can be lifted up through the handle 32.

Working principle: during normal use, the binding ropes 33 are loosened, the storage bags are stacked on the ground, the lifting devices 2 on the second support rod 12 and the third support rod 13 are adjusted and rotated, the first slide rod 26 and the fourth slide rod are lifted, the rotating piece 6 enables the first table plate 20 to be horizontally placed, the lifting devices 2 on the first support rod 11 and the fourth support rod 14 are rotated, the supporting blocks 5 of the first support rod 11 and the fourth support rod 14 support the first table plate 20, the second table plate 21, the third table plate 22, the fourth table plate 23 and the fifth table plate 24 are unfolded, the computer case is placed in the placing groove 9, the pressing plates 304 of the first self-locking slide device 3 and the second self-locking slide device 31 are separated from the fixing buckles 307, after the positions of the first slide rod 26 and the fourth slide rod are adjusted, the fixing sleeves 403 of the limit slide block 4 are unscrewed, the fixing sleeves 403 are screwed, the moving devices 7 are arranged at the bottom of the bottom plate 1, the locking rods 703 are moved to the upper ends of the locking grooves 702, the rotating blocks 705 drive the universal wheels 706 to rotate to the universal wheels 706, the universal wheels 703 can not be rotated to the locking blocks 706, and the universal wheels 703 can be vertically moved to the supporting blocks 706, and the universal wheels can not be rotated to the locking blocks 706 to be locked by the universal wheels 706.

In the description of the present utility model, it should be understood that the terms "bottom," "one end," "top," "other end," "upper," "lower," "left," "right," "side," "inner," "upper," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," "fifth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of such features, whereby features defining "first," "second," "third," "fourth," "fifth" may explicitly or implicitly include at least one such feature.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable support frame for computer, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a placing groove (9) and a sliding groove (10), the side surface of the bottom plate (1) is provided with a containing bag (8), the bottom of the containing bag (8) is fixedly connected with the side surface of the bottom plate (1), the bottom of the bottom plate (1) is provided with a moving device (7), the moving device (7) is fixedly connected with the bottom plate (1), the top of the bottom plate (1) is fixedly connected with a first supporting rod (11), a second supporting rod (12), a third supporting rod (13) and a fourth supporting rod (14), a transverse supporting rod (15) is fixedly connected between the first supporting rod (11) and the second supporting rod (12), The horizontal support rod (15) is fixedly connected between the third support rod (13) and the fourth support rod (14), the longitudinal support rod (16) is fixedly connected between the first support rod (11) and the fourth support rod (14), the longitudinal support rod (16) is fixedly connected between the second support rod (12) and the third support rod (13), the vertical limit rod (17) is arranged on the longitudinal support rod (16), the first self-locking sliding device (3) is fixedly connected to the top of the vertical limit rod (17), the first self-locking sliding device (3) is slidingly connected to the longitudinal support rod (16), the roller (19) is in rolling connection with the bottom of the vertical limit rod (17), The roller (19) is slidably connected with the chute (10), a horizontal limiting rod (18) is arranged on the vertical limiting rod (17), the horizontal limiting rod (18) is fixedly connected with a second self-locking sliding device (31), the second self-locking sliding device (31) is slidably connected with the vertical limiting rod (17), a limiting slide block (4) is arranged on the horizontal limiting rod (18), the limiting slide block (4) is slidably connected with the horizontal limiting rod (18), the tops of the first supporting rod (11), the second supporting rod (12), the third supporting rod (13) and the fourth supporting rod (14) are rotatably connected with a lifting device (2), The first support rod (11) is connected with a first sliding rod (26) in a sliding way, the top of the first sliding rod (26) is fixedly connected with a support block (5), the second support rod (12) is connected with a second sliding rod (27) in a sliding way, the top of the second sliding rod (27) is fixedly connected with a rotating piece (6), the third support rod (13) is connected with a third sliding rod (28) in a sliding way, the top of the third sliding rod (28) is fixedly connected with a rotating piece (6), the fourth support rod (14) is connected with a fourth sliding rod (29) in a sliding way, the top of the fourth sliding rod (29) is fixedly connected with a support block (5), The first sliding rod (26), the second sliding rod (27), the third sliding rod (28) and the fourth sliding rod (29) are provided with sliding rod grooves (30), the top of the rotating piece (6) is fixedly provided with a first table plate (20), the left side of the first table plate (20) is provided with a second table plate (21), the second table plate (21) is rotationally connected with the first table plate (20) through a hinge (25), the left side of the second table plate (21) is provided with a third table plate (22), the third table plate (22) is rotationally connected with the second table plate (21) through the hinge (25), the right side of the first table plate (20) is provided with a fourth table plate (23), The fourth table (23) is rotationally connected to the first table (20) through a hinge (25), a fifth table (24) is arranged on the right side of the fourth table (23), and the fifth table (24) is rotationally connected to the fourth table (23) through the hinge (25).

2. A portable support for a computer as defined in claim 1, wherein: lifting device (2) are including knob (201), pivot seat (205) and rack (206), knob (201) one end fixedly connected with rotation axis (202), rotation axis (202) sliding connection is in sliding rod groove (30), square rotation axis (204) of rotation axis (202) one end fixedly connected with, fixedly connected with gear (203) on rotation axis (202), be equipped with circular pivot groove (207) and square pivot groove (208) on pivot seat (205), pivot seat (205) fixedly connected with inside first bracing piece (11), square rotation axis (204) swivelling joint in pivot seat (205), rack (206) fixedly connected with inside first sliding rod (26), rack (206) threaded connection in gear (203).

3. A portable support for a computer as defined in claim 1, wherein: the first self-locking sliding device (3) comprises a sliding block (301), a first binding band (302) is fixedly connected to one side of the sliding block (301), the first binding band (302) is rotationally connected to a first binding rod (305), the first binding rod (305) is fixedly connected to a pressing plate (304), a second binding band (303) is fixedly connected to the other side of the sliding block (301), the second binding band (303) is rotationally connected to a second binding rod (306), the second binding rod (306) is fixedly connected to the pressing plate (304), and a fixing buckle (307) is fixedly connected to the second binding band (303).

4. A portable support for a computer as defined in claim 1, wherein: the limiting sliding block (4) comprises a limiting plate (401) and a fixing sleeve (403), a fixing block (402) is fixedly connected to the limiting plate (401), and the fixing sleeve (403) is in threaded connection with the limiting plate (401).

5. A portable support for a computer as defined in claim 1, wherein: the rotating piece (6) comprises a fixed head (601) and a rotating head (603), the fixed head (601) is fixedly connected with a rotating shaft (602), and the rotating head (603) is rotationally connected to the rotating shaft (602).

6. A portable support for a computer as defined in claim 1, wherein: the mobile device (7) comprises a connecting block (701), a locking rod (703) and a rotating block (705), wherein the connecting block (701) is fixedly connected to a bottom plate (1), a locking groove (702) is formed in the connecting block (701), the locking rod (703) is slidably connected to the locking groove (702), a rotating shaft (704) is fixedly connected to the connecting block (701), the rotating block (705) is rotationally connected to the rotating shaft (704), and a universal wheel (706) is fixedly connected to the rotating block (705).

7. A portable support for a computer as defined in claim 1, wherein: the storage bag (8) is fixedly connected with a handle (32), and the storage bag (8) is connected with a binding rope (33) in a sliding manner.