Adjustable lifting support for computer desk

Abstract

The utility model belongs to the technical field of lifting supports, and particularly relates to an adjustable lifting support for a computer desk, which comprises rectangular hollow supporting rods symmetrically arranged on two sides, and a rectangular hollow reinforcing rod is mounted between the middles of the two rectangular hollow supporting rods on the same side. A telescopic supporting rod is installed between the rectangular hollow supporting rods correspondingly arranged on the two sides. The use length of the support can be adjusted by adjusting the use length of a telescopic supporting rod, the use height of the support can be adjusted by adjusting the use height of a rectangular extension rod, the positions of two hollow extension blocks can be adjusted by using a transmission rod, and the positions of the two hollow extension blocks can be adjusted by adjusting the positions of the two hollow extension blocks. The bearing area of the support can be adjusted, the support can adapt to different table plates by adjusting the using length, the using height and the bearing area of the support, and the using performance of the support can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting brackets, and particularly relates to an adjustable lifting bracket for a computer desk. Background Technique

[0002] Tables are essential items in our daily life and work. With the improvement of people's living standards, people are no longer satisfied with the practicality of the table itself, but more pursue its comfort.

[0003] At present, a computer desk generally consists of a bracket and a tabletop. However, the tabletop and the bracket are generally configured as a set. When a user needs to configure a computer desk by themselves, the user needs to purchase the tabletop and the bracket by themselves. And the currently common computer desk brackets can only support tabletops of specific sizes. When the size of the tabletop is large, there is easily a mismatch phenomenon, and the use performance is poor. Based on this, the utility model provides an adjustable lifting bracket for a computer desk. Content of the Utility Model

[0004] To solve the above problems existing in the prior art, the utility model provides an adjustable lifting bracket for a computer desk, which has the characteristics of good use performance.

[0005] To achieve the above object, the utility model provides the following technical solution: An adjustable lifting bracket for a computer desk includes rectangular hollow support rods symmetrically arranged on both sides. A rectangular hollow strengthening rod is installed between the middles of two rectangular hollow support rods on the same side. A telescopic support rod is installed between the corresponding rectangular hollow support rods on both sides. A rectangular extension rod is installed inside the rectangular hollow support rod. A U-shaped top rod is installed at the tops of two rectangular extension rods on the same side;

[0006] A storage chamber is opened at the top of the U-shaped top rod. Guide sliding holes are symmetrically arranged at both ends of the U-shaped top rod. C-shaped clamping plates are symmetrically installed inside the storage chamber. A bidirectional screw rod is installed between two symmetrically arranged C-shaped clamping plates. A driven bevel gear is welded to the middle of the outer wall of the bidirectional screw rod. A transmission rod is installed through the middle of the bottom end of the U-shaped top rod. A driving bevel gear is welded to the top end of the transmission rod. The driving bevel gear and the driven bevel gear are meshed and connected through tooth patterns. Hollow extension blocks are installed on both sides of the outer wall of the bidirectional screw rod. A rubber support is sleeved and installed on one side of the hollow extension block. An L-shaped clamping plate is arranged at the top of the rubber support.

[0007] As a preferred technical solution of the adjustable lifting bracket for a computer desk of the utility model, four fixing screw holes are opened at the bottom end and the top end of one end of the rectangular hollow support rod. One limiting screw hole is symmetrically opened in the middle of one side of the rectangular hollow support rod. A first through hole is opened at the top of one side of the rectangular hollow support rod.

[0008] As a preferred technical solution of the adjustable lifting bracket for a computer desk of the present utility model, second limiting screw holes are symmetrically opened at both the top end and the bottom end of the rectangular hollow reinforcing rod. L-shaped connectors are arranged at both the top end and the bottom end of the rectangular hollow reinforcing rod near the second limiting screw holes. Limiting card holes are opened on one side and the bottom end of the L-shaped connector. The inner diameter of the limiting card hole is adapted to the inner diameters of the second limiting screw hole and the first limiting screw hole. A limiting screw is installed inside the limiting card hole. One end of the limiting screw installed on one side of the L-shaped connector is located inside the first limiting screw hole, and one end of the limiting screw installed at the bottom of the L-shaped connector is located inside the second limiting screw hole.

[0009] As a preferred technical solution of the adjustable lifting bracket for a computer desk of the present utility model, a second through hole is opened at the top of one side of the rectangular extension rod. The second through hole is adapted to the first through hole, and a first fixing bolt is installed through the first through hole and the corresponding second through hole.

[0010] As a preferred technical solution of the adjustable lifting bracket for a computer desk of the present utility model, slots are opened on both sides at the bottom end of the U-shaped top rod. The slots are adapted to the rectangular extension rod. A third through hole is opened through the middle of the slot. The third through hole is adapted to the second through hole, and a second fixing bolt is installed through the third through hole and the corresponding second through hole.

[0011] As a preferred technical solution of the adjustable lifting bracket for a computer desk of the present utility model, connection screw holes are opened at both ends of the U-shaped top rod, and connection card holes are opened in the middle of both ends of the C-shaped clamping plate. The connection card holes are adapted to the connection screw holes, and a connection screw is installed inside the connection card hole. One end of the connection screw is located inside the connection screw hole.

[0012] As a preferred technical solution of the adjustable lifting bracket for a computer desk of the present utility model, fixing plates are welded to one end and the output end of the telescopic support rod. Fixing card holes are opened at the four corners of one end of the fixing plate. The four fixing card holes are adapted to the four fixing screw holes. Fixing screws are installed inside the fixing card holes. One end of the fixing screw is located inside the fixing screw hole.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] When the utility model is in use, the service length of the bracket can be adjusted by adjusting the service length of the telescopic support rod, the service height of the bracket can be adjusted by adjusting the service height of the rectangular extension rod, the positions of the two hollow extension blocks can be adjusted by using the transmission rod, the bearing area of the bracket can be adjusted by adjusting the positions of the two hollow extension blocks, and by adjusting the service length, service height and bearing area of the bracket, the bracket can be adapted to different table tops, which is beneficial to improving the service performance of the bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0016] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 is a schematic diagram of the installation structure of the rectangular extension rod of the utility model;

[0018] Figure 3 is an exploded view of the installation of the rectangular extension rod of the utility model;

[0019] Figure 4 is a bottom view of the U-shaped top rod of the utility model;

[0020] Figure 5 is a cross-sectional view of the U-shaped top rod of the utility model;

[0021] Figure 6 is an exploded view of the installation of the bidirectional screw rod of the utility model;

[0022] Figure 7 is a schematic diagram of the structure of the telescopic support rod of the utility model;

[0023] Figure 8 For the utility model Figure 1 is a schematic diagram of the structure of area A; ,

[0024] Figure 9 For the utility model Figure 1 is a schematic diagram of the structure of area B.

[0025] In the figure: 1. Rectangular hollow support rod; 2. Rectangular hollow reinforcement rod; 3. Rectangular extension rod; 4. L-shaped ejector rod; 5. Storage chamber; 6. Guide slide hole; 7. L-shaped clamping plate; 8. Bidirectional screw; 9. Driven bevel gear; 10. Transmission rod; 11. Driving bevel gear; 12. Hollow extension block; 13. Rubber support; 14. L-shaped clamping plate; 15. Telescopic support rod; 16. Fixing screw hole; 17. Limit screw hole No. 1; 18. Through hole No. 1; 19. Limit screw hole No. 2; 20. L-shaped connector; 21. Limit clamp hole; 22. Limit screw; 23. Through hole No. 2; 24. Fixing bolt No. 1; 25. Through hole No. 3; 26. Fixing bolt No. 2; 27. Connecting screw hole; 28. Connecting clamp hole; 29. ​​Connecting screw; 30. Fixing plate; 31. Fixing clamp hole; 32. Fixing screw. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0027] See also Figures 1 to 9, the present utility model provides the following technical solutions: An adjustable lifting bracket for a computer desk, including rectangular hollow support rods 1 symmetrically arranged on both sides. Four fixing screw holes 16 are provided at the bottom and top of one end of the rectangular hollow support rod 1. Two first limiting screw holes 17 are symmetrically provided in the middle of one side of the rectangular hollow support rod 1. A first through hole 18 is provided at the top of one side of the rectangular hollow support rod 1. A rectangular hollow reinforcing rod 2 is provided between the middle parts of two rectangular hollow support rods on the same side. Second limiting screw holes 19 are symmetrically provided at the top and bottom of the rectangular hollow reinforcing rod 2. L-shaped connectors 20 are provided near the second limiting screw holes 19 at the top and bottom of the rectangular hollow reinforcing rod 2. Limiting card holes 21 are provided on one side and the bottom of the L-shaped connector 20. The inner diameter of the limiting card hole 21 is adapted to the inner diameters of the second limiting screw hole 19 and the first limiting screw hole 17. A limiting screw 22 is installed inside the limiting card hole 21. One end of the limiting screw 22 installed on one side of the L-shaped connector 20 is located inside the first limiting screw hole 17. One end of the limiting screw 22 installed at the bottom of the L-shaped connector 20 is located inside the second limiting screw hole 19, facilitating the use of the L-shaped connector 20. By using the L-shaped connector 20, the rectangular hollow reinforcing rod 2 can be installed and fixed. A telescopic support rod 15 is provided between the two corresponding rectangular hollow support rods on both sides. Fixing plates 30 are welded to one end and the output end of the telescopic support rod 15. Fixing card holes 31 are provided at the four corners of one end of the fixing plate 30. The four fixing card holes 31 are adapted to the four fixing screw holes 16. A fixing screw 32 is installed inside the fixing card hole 31. One end of the fixing screw 32 is located inside the fixing screw hole 16, facilitating the installation and use of the telescopic support rod 15. The number of telescopic support rods 15 is three, and the three telescopic support rods 15 form an L shape, thereby improving the stability of the bracket structure. A rectangular extension rod 3 is installed inside the rectangular hollow support rod 1. A second through hole 23 is provided at the top of one side of the rectangular extension rod 3. The second through hole 23 is adapted to the first through hole 18. A first fixing bolt 24 is installed through the first through hole 18 and the corresponding second through hole 23, facilitating the fixed connection between the rectangular extension rod 3 and the rectangular hollow support rod 1. A U-shaped top rod 4 is installed on the tops of two rectangular extension rods on the same side;

[0028] Both sides of the bottom end of the inverted U-shaped ejector rod 4 are provided with slots, which are adapted to the rectangular extension rod 3. A third through hole 25 is penetrated in the middle of the slot. The third through hole 25 is adapted to the second through hole 23. A second fixing bolt 26 is installed through the third through hole 25 and the corresponding second through hole 23, which is convenient for the fixed connection between the inverted U-shaped ejector rod 4 and the rectangular extension rod 3. A storage chamber 5 is provided at the top of the inverted U-shaped ejector rod 4. Guide sliding holes 6 are symmetrically arranged at both ends of the inverted U-shaped ejector rod 4. Connection screw holes 27 are provided at both ends of the inverted U-shaped ejector rod 4. Two U-shaped clamping plates 7 are symmetrically arranged inside the storage chamber 5. The U-shaped clamping plates 7 pass through the inside of the guide sliding holes 6. Connection clamping holes 28 are provided in the middle of both ends of the U-shaped clamping plates 7. The connection clamping holes 28 are adapted to the connection screw holes 27. A connection screw rod 29 is installed inside the connection clamping hole 28. One end of the connection screw rod 29 is located inside the connection screw hole 27, which is convenient for the fixed use of the U-shaped clamping plate 7. A bidirectional screw rod 8 is installed between the two symmetrically arranged U-shaped clamping plates 7. A driven bevel gear 9 is welded to the middle of the outer wall of the bidirectional screw rod 8. A transmission rod 10 is installed through the middle of the bottom end of the inverted U-shaped ejector rod 4. A driving bevel gear 11 is welded to the top end of the transmission rod 10. The driving bevel gear 11 and the driven bevel gear 9 are meshed and connected through tooth patterns. Hollow extension blocks 12 are installed on both sides of the outer wall of the bidirectional screw rod 8. The longitudinal section size of the hollow extension block 12 is adapted to the longitudinal section size of the storage chamber 5. A rubber support 13 is sleeved and installed on one side of the hollow extension block 12. An L-shaped clamping plate 14 is arranged at the top end of the rubber support 13.

[0029] The working principle and usage process of the present utility model: The user symmetrically installs L-shaped connectors 20 at the top and bottom of the rectangular hollow reinforcing rod 2. Then, the user moves the rectangular hollow reinforcing rod 2 between the two rectangular hollow support rods 1 and installs it, so as to form an H-shaped bracket. After completing the assembly of the H-shaped bracket, the user installs the rectangular extension rod 3 inside the rectangular hollow support rod 1. Then, the user installs the inverted U-shaped ejector rod 4 on the upper parts of the two rectangular extension rods 3 on the same side. Subsequently, the user straightens the two H-shaped brackets and installs three telescopic support rods 15 between the two H-shaped brackets, so as to form the main body of the bracket.

[0030] When the main body of the bracket is in use, by adjusting the use length of the telescopic support rod 15, the use length of the bracket can be adjusted. By adjusting the use height of the rectangular extension rod 3, the use height of the bracket can be adjusted. The user rotates the transmission rod 10 to make the driving bevel gear 11 drive the driven bevel gear 9 to rotate. The bidirectional screw rod 8 rotates synchronously with the driven bevel gear 9. The rotation of the bidirectional screw rod 8 drives the hollow extension block 12 to move, so as to adjust the bearing area of the bracket, which is convenient for the fixed use of the bracket for table boards of different sizes.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An adjustable lifting bracket for a computer desk, comprising a rectangular hollow support rod (1) symmetrically arranged on both sides, characterized in that: A rectangular hollow reinforcing rod (2) is installed between the middle parts of two of the rectangular hollow support rods (1) on the same side. A telescopic support rod (15) is installed between the rectangular hollow support rods (1) arranged correspondingly on both sides. A rectangular extension rod (3) is installed inside the rectangular hollow support rod (1). A U-shaped top rod (4) is installed at the top of two rectangular extension rods (3) on the same side. A storage chamber (5) is opened at the top of the U-shaped top rod (4). Guide sliding holes (6) are symmetrically arranged at both ends of the U-shaped top rod (4). C-shaped clamping plates (7) are symmetrically installed inside the storage chamber (5). A bidirectional screw rod (8) is installed between two symmetrically arranged C-shaped clamping plates (7). A driven bevel gear (9) is welded to the middle of the outer wall of the bidirectional screw rod (8). A transmission rod (10) is installed through the middle of the bottom end of the U-shaped top rod (4). A driving bevel gear (11) is welded to the top end of the transmission rod (10). The driving bevel gear (11) and the driven bevel gear (9) are meshed and connected through tooth patterns. Hollow extension blocks (12) are installed on both sides of the outer wall of the bidirectional screw rod (8). A rubber support (13) is sleeved and installed on one side of the hollow extension block (12). An L-shaped clamping plate (14) is arranged at the top end of the rubber support (13).

2. The adjustable lifting bracket for a computer desk according to claim 1, characterized in that: Four fixing screw holes (16) are opened at the bottom and top of one end of the rectangular hollow support rod (1) respectively. First limiting screw holes (17) are symmetrically opened in the middle of one side of the rectangular hollow support rod (1). A first through hole (18) is opened at the top of one side of the rectangular hollow support rod (1).

3. The adjustable lifting bracket for a computer desk according to claim 2, characterized in that: Second limiting screw holes (19) are symmetrically opened at the top and bottom of the rectangular hollow reinforcing rod (2) respectively. L-shaped connecting pieces (20) are arranged near the second limiting screw holes (19) at the top and bottom of the rectangular hollow reinforcing rod (2). Limiting clamping holes (21) are opened on one side and the bottom end of the L-shaped connecting piece (20). The inner diameter of the limiting clamping hole (21) is adapted to the inner diameter of the second limiting screw hole (19) and the inner diameter of the first limiting screw hole (17). A limiting screw rod (22) is installed inside the limiting clamping hole (21). One end of the limiting screw rod (22) installed on one side of the L-shaped connecting piece (20) is located inside the first limiting screw hole (17). One end of the limiting screw rod (22) installed at the bottom of the L-shaped connecting piece (20) is located inside the second limiting screw hole (19).

4. The adjustable lifting bracket for a computer desk according to claim 3, characterized in that: A second through hole (23) is opened at the top of one side of the rectangular extension rod (3). The second through hole (23) is adapted to the first through hole (18). A first fixing bolt (24) is installed through the first through hole (18) and the corresponding second through hole (23).

5. The adjustable lifting bracket for a computer desk according to claim 4, characterized in that: Both sides of the bottom end of the U-shaped ejector rod (4) are provided with slot holes, which are adapted to the rectangular extension rod (3). A third through hole (25) is penetrated through the middle of the slot hole. The third through hole (25) is adapted to the second through hole (23). A second fixing bolt (26) is installed through the third through hole (25) and the corresponding second through hole (23).

6. The adjustable lifting bracket for a computer desk according to claim 1, characterized in that: Connection screw holes (27) are provided at both ends of the U-shaped ejector rod (4). Connection card holes (28) are provided in the middle of both ends of the C-shaped clamping plate (7). The connection card holes (28) are adapted to the connection screw holes (27). A connection screw rod (29) is installed inside the connection card hole (28), and one end of the connection screw rod (29) is located inside the connection screw hole (27).

7. The adjustable lifting bracket for a computer desk according to claim 2, characterized in that: Fixing plates (30) are welded to one end and the output end of the telescopic support rod (15). Fixing card holes (31) are provided at the four corners of one end of the fixing plate (30). The four fixing card holes (31) are adapted to the four fixing screw holes (16). A fixing screw rod (32) is installed inside the fixing card hole (31), and one end of the fixing screw rod (32) is located inside the fixing screw hole (16).

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