HEIGHT-ADJUSTABLE DESK WITH A SINGLE MOTOR AND EXTENDING CROSS BEAM

Abstract

A height-adjustable desk with a single motor and extending cross beam, comprises a desktop board, hollow tube components and a single motor; the hollow tube components and the single motor are provided below the desktop board, ends of the hollow tube components are connected with hexagonal screws; one end of the hexagonal screws is connected with the single motor, and the other end of the hexagonal screws is connected with a drive gear; retaining mechanisms with threaded sleeves are provided at both ends of the hollow tube components. The invention controls the motor to rotate through power, to drive the hexagonal screws and gears inside the supporting legs on both sides through the hexagonal screws, driving threaded lifting rods and realizing electric height adjustment. The unlocking of hollow tube components and hexagonal screws realize the supporting legs to move inwardly or outwards, controlling the desktop board's length.

Claims

1. A height-adjustable desk with a single motor and extending cross beam, wherein comprises a desktop board (3), a hollow tube component (9), and a single motor (13); both the hollow tube component (9) and the single motor (13) are provided underneath the desktop board (3); the two ends of the hollow tube component (9) are connected to a hexagonal screw (7) via a hexagonal thread connector (22); one end of the hexagonal screw (7) is connected to the single motor (13), while the other end of the screw (7) is connected to a drive gear (14); the drive gear (14) is engaged and connected with a driven gear (15) for transmission, and a threaded lifting rod (17) is provided at the center of the surface of the driven gear (15);retaining mechanisms (8) are provided at both ends of the hollow tube components (9), threaded sleeves (21) are provided on the retaining mechanisms (8), and the threaded sleeves (21) are screwed and fixed to threaded joints (20) at both ends of the hollow tube components (9) through internal threads.

2. The height-adjustable desk with a single motor and extending cross beam as claimed in claim 1, wherein supporting legs (5) are provided at both ends of the bottom of the desktop board (3), and each of the supporting legs (5) has a hollow groove inside; the drive gear (14), the driven gear (15), and the threaded lifting rod (17) are all provided within the hollow groove, and a screw fixer (16) is provided on the threaded lifting rod (17).

3. The height-adjustable desk with a single motor and extending cross beam as claimed in claim 1, wherein the bottom end of the desktop board (3) is respectively provided with a first desktop support bracket (2) and a second desktop support bracket (11); the first desktop support bracket (2) and the second desktop support bracket (11) are vertically distributed in a crossed manner, and the first desktop support bracket (2) and the second desktop support bracket (11) are connected by a retaining fixation screw (10); both ends of the second desktop support bracket (11) are fixedly connected with hollow groove tubes (12) through insertion holes.

4. The height-adjustable desk with a single motor and extending cross beam as claimed in claim 1, wherein a single motor controller (1) is provided on the bottom surface of the desktop board (3), the single motor controller (1) is respectively provided with a gear control knob and a lifting control knob, and the single motor controller (1) is electrically connected with the single motor (13).

5. The height-adjustable desk with a single motor and extending cross beam as claimed in claim 1, wherein both sides of the bottom end of the desktop board (3) are fixedly connected with desktop support frames (4) through screws, and the surface of the desktop support frame (4) is provided with hook slot holes (18); hook main bodies (19) are provided inside the hook slot holes (18), and the hook main bodies (19) and the desktop support frames (4) are detachably structured.

6. The height-adjustable desk with a single motor and extending cross beam as claimed in claim 1, wherein fixed bases (6) are provided at the lower end of the supporting legs (5), and the supporting legs (5) are fixedly connected with the fixed bases (6) through screws.

Description

[0022] In the figures: 1. single motor controller; 2. first desktop support bracket; 3. desktop board; 4. desktop support frame; 5. supporting leg; 6. fixed base; 7. hexagonal screw; 8. retaining mechanism; 9. hollow tube component; 10. retaining fixation screw; 11. second desktop support bracket; 12. hollow groove tube; 13. single motor; 14. drive gear; 15. driven gear; 16. screw fixer; 17. threaded lifting rod; 18. hook slot hole; 19. hook main body; 20. threaded joint; 21. threaded sleeve; 22. hexagonal thread connector.

5. SPECIFIC EMBODIMENT OF THE INVENTION

[0023] To make the technical solutions provided by the invention more comprehensible, exemplary embodiments according to the application are described below in detail with reference to the accompanying drawings. Apparently, the described embodiments are merely some embodiments of the application rather than all the embodiments of the application.

[0024] Referring to FIG. 1 to FIG. 8, the invention provides an embodiment: a height-adjustable desk with a single motor and extending cross beam, wherein comprises a desktop board 3, a hollow tube component 9, and a single motor 13; both the hollow tube component 9 and the single motor 13 are provided underneath the desktop board 3; the two ends of the hollow tube component 9 are connected to a hexagonal screw 7 via a hexagonal thread connector 22; one end of the hexagonal screw 7 is connected to the single motor 13, while the other end of the screw 7 is connected to a drive gear 14; the drive gear 14 is engaged and connected with a driven gear 15 for transmission, and a threaded lifting rod 17 is provided at the center of the surface of the driven gear 15; retaining mechanisms 8 are provided at both ends of the hollow tube components 9, threaded sleeves 21 are provided on the retaining mechanisms 8, and the threaded sleeves 21 are screwed and fixed to threaded joints 20 at both ends of the hollow tube components 9 through internal threads.

[0025] Further, supporting legs 5 are provided at both ends of the bottom of the desktop board 3, and each of the supporting legs 5 has a hollow groove inside; the drive gear 14, the driven gear 15, and the threaded lifting rod 17 are all provided within the hollow groove, and a screw fixer 16 is provided on the threaded lifting rod 17.

[0026] Further, the bottom end of the desktop board 3 is respectively provided with a first desktop support bracket 2 and a second desktop support bracket 11; the first desktop support bracket 2 and the second desktop support bracket 11 are vertically distributed in a crossed manner, and the first desktop support bracket 2 and the second desktop support bracket 11 are connected by a retaining fixation screw 10; both ends of the second desktop support bracket 11 are fixedly connected with hollow groove tubes 12 through insertion holes.

[0027] Further, a single motor controller 1 is provided on the bottom surface of the desktop board 3, the single motor controller 1 is respectively provided with a gear control knob and a lifting control knob, and the single motor controller 1 is electrically connected with the single motor 13. By providing the conveniently installed single motor controller 1, it is convenient to adjust and control the lifting of the desktop.

[0028] Further, both sides of the bottom end of the desktop board 3 are fixedly connected with desktop support frames 4 through screws, and the surface of the desktop support frame 4 is provided with hook slot holes 18; hook main bodies 19 are provided inside the hook slot holes 18, and the hook main bodies 19 and the desktop support frames 4 are detachably structured, which facilitates the installation and disassembly of the hook main bodies 19. The hook main bodies 19 can be used to hang some office items.

[0029] Further, fixed bases 6 are provided at the lower end of the supporting legs 5, and the supporting legs 5 are fixedly connected with the fixed bases 6 through screws, which brings the advantage of convenient assembly and connection. The fixed bases 6 are conducive to firmly supporting the desk.

[0030] Operating principle: during application, both the hollow tube component 9 and the single motor 13 are provided underneath the desktop board 3; the two ends of the hollow tube component 9 are connected to a hexagonal screw 7 via a hexagonal thread connector 22; one end of the hexagonal screw 7 is connected to the single motor 13, while the other end of the screw 7 is connected to a drive gear 14; the drive gear 14 is engaged and connected with a driven gear 15 for transmission, and a threaded lifting rod 17 is provided at the center of the surface of the driven gear 15. The single motor 13 is connected to a power source, and the single motor controller 1 controls the motor to rotate. The single motor 13 drives the hexagonal screws 7 for transmission. Through the hexagonal screws 7, the gear structure inside the supporting legs 5 on both sides is driven. The drive gear 14 and the driven gear 15 are engaged and connected for transmission. The gears drive the threaded lifting rods 17 inside the supporting legs to achieve electric lifting, featuring high automation and convenient lifting control. Retaining mechanisms 8 are provided at both ends of the hollow tube components 9, threaded sleeves 21 are provided on the retaining mechanisms 8, and the threaded sleeves 21 are screwed and fixed to threaded joints 20 at both ends of the hollow tube components 9 through internal threads. When the retaining mechanisms 8 and the hexagonal screws 7 are unlocked, the supporting legs 5 on both sides can be pushed to the center simultaneously or separated to both sides. When the retaining mechanisms 8 adjust the stretching of the desktop support frames 4 to control the desktop length between 1.18 m to 1.8 m, threading knobs can be locked, or hollow bottom can be locked with screws, thereby achieving the purpose of controlling the desktop length. Both sides of the bottom end of the desktop board 3 are fixedly connected with desktop support frames 4 through screws, and the surface of the desktop support frame 4 is provided with hook slot holes 18; hook main bodies 19 are provided inside the hook slot holes 18, and the hook main bodies 19 and the desktop support frames 4 are detachably structured, which facilitates the installation and disassembly of the hook main bodies 19. The hook main bodies 19 can be used to hang some office items.

[0031] In the description of the embodiments of the invention, it should be noted that relational terms such as first and second are used merely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between them. Moreover, the terms comprise, containing or any other variation thereof are intended to cover a non-exclusive inclusion, whereby a process, method, article or device that comprises a series of elements not only includes those elements, but also includes other elements that are not explicitly listed, or elements that are inherent to such process, method, article or device.

[0032] The standard parts used in this application can be purchased from the market. The specific connection methods of the parts all adopt mature means in the prior art, such as bolts, rivets, welding and other conventional means. The mechanical parts and equipment all adopt conventional models in the prior art. Along with circuit connection adopting conventional connection methods in the prior art, no specific descriptions will be made here.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that a variety of variations, modifications, replacements and variants of these embodiments can be made without departing from the principles and spirit of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims and equivalents thereof.