Adjustable desk

Abstract

The utility model discloses an adjustable desk which comprises a desk table and a storage rack fixedly arranged on the desk table, an electric lifting supporting mechanism used for adjusting the height of the desk is fixedly arranged on the periphery of the bottom end of the desk table, a folding groove is formed in the middle of the top end of the desk table, and an angle adjusting table plate is rotationally arranged in the folding groove. An inclination angle adjusting frame is fixedly arranged in the middle of the bottom end of the desk table, an angle adjusting lead screw is rotatably arranged in the middle of the inclination angle adjusting frame, a second lead screw sliding sleeve is in transmission connection with the middle of the angle adjusting lead screw, and an expansion plate frame is fixedly arranged at the top end of the second lead screw sliding sleeve. A lead screw transmission structure is arranged in the desk, the height of the desk can be automatically and stably adjusted according to the use requirement of a user, adjustment is stable and smooth, meanwhile, the angle adjusting bedplate is additionally arranged in the middle of the desk, the inclination angle of the bedplate can be manually adjusted while use of the user is not affected, stability is high, and the applicability of the desk can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to an adjustable desk. Background Art

[0002] A desk is a common piece of furniture on which you can put things or work. Currently, common desks are mainly composed of supporting legs on both sides of the table beam. The supporting legs are divided into an upper and lower part. The upper part can slide inside the lower part and can be fixed and locked with bolts to achieve height adjustment of the desk. For example, a desk with an adjustable footrest, application number CN202220796081.0, includes a table body, table legs and a footrest; the table body is an axisymmetric structure, and the symmetry axis of the table body includes a first symmetry axis and a second symmetry axis. The above common types of desks have the following shortcomings when in use:

[0003] The height and angle adjustment of the desk is mostly completed by tightening bolts. The adjustment steps are relatively cumbersome, and the adjustment is not smooth and efficient. Utility Model Content

[0004] The utility model aims to provide an adjustable desk to solve the problem of uneven and unsmooth adjustment of the height and angle of the existing desks mentioned in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an adjustable desk, comprising a desk table and a storage rack fixedly arranged on the desk table, an electric lifting support mechanism for adjusting the height of the desk is fixedly arranged on the periphery of the bottom end of the desk table, a folding groove is opened in the middle of the top end of the desk table, an angle adjustment table is rotatably arranged inside the folding groove, an inclination adjustment frame is fixedly arranged in the middle of the bottom end of the desk table, an angle adjustment screw rod is rotatably arranged in the middle of the inclination adjustment frame, a second screw rod sleeve is transmission-connected in the middle of the angle adjustment screw rod, an extension plate frame is fixedly arranged on the top end of the second screw rod sleeve, steel diagonal support rods are rotatably arranged on both sides of the top end of the extension plate frame, the top ends of the two steel diagonal support rods are rotatably arranged on the bottom of the angle adjustment table, and a capstan is fixedly arranged on one end of the angle adjustment screw rod.

[0006] Preferably, a switch plate is fixedly mounted on one side of the storage rack, and a power socket, a power switch and a lifting adjustment switch are fixedly mounted on the surface of the switch plate; it is easy to use and has rich functions.

[0007] Preferably, the electric lifting support mechanism includes two lower supporting legs and an upper supporting leg slidably arranged on the lower supporting legs, a lifting support frame is fixedly arranged between the two upper supporting legs, a reduction motor is fixedly installed at one end of the lifting support frame, a worm is fixedly arranged at the output end of the reduction motor, and a screw lifting assembly is fixedly arranged inside the two lower supporting legs, and the reduction motor is electrically connected to an external power supply through a lifting adjustment switch; electric lifting is smooth and smooth.

[0008] Preferably, the screw lifting assembly includes a lifting screw rotatably arranged inside the lower supporting leg, the middle part of the lifting screw is transmission-connected with a first screw sleeve, the first screw sleeve is fixedly arranged on the inner side of the upper supporting leg, the top ends of the two lifting screws are fixedly provided with worm gears through the lifting support frame, and the worm is meshingly connected with the two worm gears; the lifting and lowering can be flexibly adjusted.

[0009] Preferably, a reinforcing diagonal brace is fixedly arranged between the two lower supporting legs; the overall structure has high strength, and is stable and reliable.

[0010] Preferably, the bottoms of the two lower supporting legs are fixedly provided with anti-skid foot plates, so that they are placed stably and are not easy to slide.

[0011] Preferably, a lighting lamp is fixedly installed on the top of the inner side of the storage rack, and the lighting lamp is electrically connected to an external power supply through a power switch; it can provide auxiliary lighting when the user is using it, and has good practicality.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the desk has a simple structural design and a built-in screw transmission structure, which can automatically and smoothly adjust the height of the desk according to the user's usage requirements, and the adjustment is smooth and smooth. At the same time, an angle adjustment table is added in the middle of the desk. The inclination angle of the table can be manually adjusted without affecting the user's use. It has high stability and can improve the applicability of the desk. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of the desk of the utility model;

[0014] Figure 2 It is a front cross-sectional view of the desk of the utility model;

[0015] Figure 3 It is a front cross-sectional view of the desk of the utility model;

[0016] Figure 4 It is an enlarged view of part A of the utility model.

[0017] In the figure: 1. Desk; 2. Storage rack; 3. Tilt adjustment rack; 4. Lower support leg; 5. Upper support leg; 6. Anti-slip footboard; 7. Reinforced diagonal brace; 8. Angle adjustment table; 9. Switch plate; 10. Lifting support frame; 11. Reducer motor; 12. Worm; 13. Worm gear; 14. Lifting screw; 15. First screw sleeve; 16. Folding groove; 17. Angle adjustment screw; 18. Winch; 19. Second screw sleeve; 20. Extension plate frame; 21. Steel diagonal brace; 22. Lighting lamp. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-4 The utility model provides an adjustable desk, including a desk table 1 and a storage rack 2 fixedly arranged on the desk table 1, an electric lifting support mechanism for adjusting the height of the desk is fixedly arranged on the periphery of the bottom end of the desk table 1, a folding groove 16 is opened in the middle of the top of the desk table 1, and an angle adjustment table 8 is rotatably arranged inside the folding groove 16, an inclination adjustment frame 3 is fixedly arranged in the middle of the bottom end of the desk table 1, an angle adjustment screw rod 17 is rotatably arranged in the middle of the inclination adjustment frame 3, a second screw rod slide sleeve 19 is transmission-connected in the middle of the angle adjustment screw rod 17, an extension plate frame 20 is fixedly arranged on the top of the second screw rod slide sleeve 19, steel diagonal support rods 21 are rotatably arranged on both sides of the top of the extension plate frame 20, the tops of the two steel diagonal support rods 21 are rotatably arranged at the bottom of the angle adjustment table 8, and a capstan 18 is fixedly arranged at one end of the angle adjustment screw rod 17.

[0020] When in use, the user can directly lie on the desk 1 to work or study. When the tilt angle of the desktop needs to be adjusted, the capstan 18 is rotated from the bottom of the desk 1. The capstan 18 drives the angle adjustment screw 17 to rotate, and then drives the expansion plate frame 20 to move slowly through the second screw sleeve 19. At this time, the steel diagonal support rod 21 will continue to tilt and support during the adjustment process, thereby lifting the angle adjustment table 8, so that it is slowly supported to a suitable angle. The adjustment is flexible and convenient. After adjustment, it is stable and reliable.

[0021] See also Figure 1 and Figure 2 Furthermore, a switch plate 9 is fixedly installed on one side of the rack 2, and a power socket, a power switch and a lifting adjustment switch are fixedly installed on the surface of the switch plate 9. A lighting lamp 22 is fixedly installed on the top of the inner side of the rack 2, and the lighting lamp 22 is electrically connected to the external power supply through the power switch.

[0022] When in use, the user can turn on or off the lighting lamp 22 through the power switch according to the ambient brightness, and can also control the lifting of the desk and provide the function of the socket.

[0023] See also Figure 1 , Figure 2 and Figure 4 Furthermore, the electric lifting support mechanism includes two lower supporting legs 4 and an upper supporting leg 5 slidably arranged on the lower supporting legs 4, a lifting support frame 10 is fixedly arranged between the two upper supporting legs 5, a reduction motor 11 is fixedly installed at one end of the lifting support frame 10, a worm 12 is fixedly arranged at the output end of the reduction motor 11, and a screw lifting assembly is fixedly arranged inside the two lower supporting legs 4, and the reduction motor 11 is electrically connected to the external power supply through the lifting adjustment switch.

[0024] The screw lifting assembly includes a lifting screw 14 rotatably arranged inside the lower supporting leg 4, the middle part of the lifting screw 14 is transmission-connected with a first screw sleeve 15, the first screw sleeve 15 is fixedly arranged on the inner side of the upper supporting leg 5, the top ends of the two lifting screws 14 are fixedly provided with worm gears 13 through the lifting support frame 10, and the worm 12 is meshingly connected with the two worm gears 13; a reinforcing diagonal brace 7 is fixedly arranged between the two lower supporting legs 4, and an anti-slip foot plate 6 is fixedly arranged at the bottom of the two lower supporting legs 4.

[0025] When in use, when the user needs to adjust the height of the desk, press and hold the power switch, then the reduction motor 11 will be powered on, the reduction motor 11 drives the worm 12 to rotate, and the worm 12 drives the two worm wheels 13 to rotate at the same time, and the worm wheel 13 drives the two lifting screws 14 to rotate at the same time, and then drives the upper support leg 5 to slide on the inner side of the lower support leg 4 through the first screw sleeve 15, and completes the lifting and lowering adjustment of the desk 1 through the lifting support frame 10. After the height is adjusted to a suitable level, release the power switch, and the adjustment is smooth and smooth.

[0026] When the embodiment of the present application is in use: when adjusting the height of the desk, press and hold the power switch, then the reduction motor 11 will be powered on, the reduction motor 11 drives the worm 12 to rotate, and the worm 12 simultaneously drives the two worm wheels 13 to rotate, and the worm wheels 13 drive the two lifting screws 14 to rotate at the same time, and then drive the upper support leg 5 to slide on the inner side of the lower support leg 4 through the first screw sleeve 15, and complete the lifting and lowering adjustment of the desk 1 through the lifting support frame 10. After the height is adjusted to the appropriate level, release the power switch, and when adjusting the inclination angle of the desk 1, turn the capstan 18, the capstan 18 drives the angle adjustment screw 17 to rotate, and then drives the expansion plate frame 20 to move slowly through the second screw sleeve 19. At this time, the steel diagonal support rod 21 will continue to tilt and support during the adjustment process, thereby lifting the angle adjustment table 8 and slowly supporting it to a suitable angle.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adjustable desk, comprising a desk surface (1) and a storage rack (2) fixedly arranged on the desk surface (1), Features: An electric lifting support mechanism for adjusting the height of the desk is fixedly arranged on the periphery of the bottom end of the desk table (1); a folding groove (16) is provided in the middle of the top end of the desk table (1); an angle adjustment table (8) is rotatably arranged inside the folding groove (16); an inclination adjustment frame (3) is fixedly arranged in the middle of the bottom end of the desk table (1); an angle adjustment screw rod (17) is rotatably arranged in the middle of the inclination adjustment frame (3); a second screw rod sliding sleeve (19) is transmission-connected in the middle of the angle adjustment screw rod (17); an extension plate frame (20) is fixedly arranged on the top end of the second screw rod sliding sleeve (19); steel diagonal support rods (21) are rotatably arranged on both sides of the top end of the extension plate frame (20); the top ends of the two steel diagonal support rods (21) are rotatably arranged at the bottom of the angle adjustment table (8); and a capstan (18) is fixedly arranged at one end of the angle adjustment screw rod (17).

2. An adjustable desk according to claim 1, Features: A switch plate (9) is fixedly mounted on one side of the storage rack (2), and a power socket, a power switch and a lifting adjustment switch are fixedly mounted on the surface of the switch plate (9).

3. An adjustable desk according to claim 2, Features: The electric lifting support mechanism comprises two lower support legs (4) and an upper support leg (5) slidably arranged on the lower support legs (4); a lifting support frame (10) is fixedly arranged between the two upper support legs (5); a reduction motor (11) is fixedly installed at one end of the lifting support frame (10); a worm (12) is fixedly arranged at the output end of the reduction motor (11); a screw lifting assembly is fixedly arranged inside the two lower support legs (4); and the reduction motor (11) is electrically connected to an external power supply via a lifting adjustment switch.

4. An adjustable desk according to claim 3, Features: The screw lifting assembly comprises a lifting screw (14) rotatably arranged inside the lower support leg (4); the middle part of the lifting screw (14) is transmission-connected with a first screw sleeve (15); the first screw sleeve (15) is fixedly arranged on the inner side of the upper support leg (5); the top ends of the two lifting screws (14) pass through the lifting support frame (10) and are fixedly provided with worm wheels (13); the worm (12) is meshingly connected with the two worm wheels (13).

5. An adjustable desk according to claim 3, Features: A reinforcing diagonal brace (7) is fixedly arranged between the two lower supporting legs (4).

6. An adjustable desk according to claim 3, Features: The bottoms of the two lower supporting legs (4) are both fixedly provided with anti-slip foot plates (6).

7. An adjustable desk according to claim 2, Features: A lighting lamp (22) is fixedly mounted on the top of the inner side of the storage rack (2), and the lighting lamp (22) is electrically connected to an external power source via a power switch.

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