Lifting table with rotatable table top

Abstract

The lifting table comprises a stand column and a table plate, supporting legs are fixedly arranged in the stand column, a groove is formed in the top end of each supporting leg, a protective shell is fixedly arranged at the bottom end in each groove, a threaded rod is rotationally connected to the bottom end in each protective shell, a driving mechanism is arranged in each protective shell, and a lifting block is in threaded connection with each threaded rod; the lifting block is slidably connected with the groove, two lifting rods are fixedly arranged at the top end of the lifting block, a connecting block is fixedly arranged at the top ends of the two lifting rods, a circular groove and an arc-shaped groove are formed in the top end of the connecting block, a rotating shaft is rotatably connected into the circular groove, a supporting plate is fixedly arranged at the top end of the rotating shaft, and a rotating rod fixed to the bottom end of the supporting plate is slidably connected to the arc-shaped groove. According to the rotary table, the structure is reasonable, any angle of the table plate in the horizontal direction can be adjusted through manual rotation, and therefore the use comfort degree is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting tables, in particular to a lifting table with a rotatable table top. Background Art

[0002] Modern office workers sit in front of computers for a long time to work, which may cause diseases such as cervical spondylosis and sciatica. Therefore, more and more stand-sit dual-purpose office lifting tables are becoming more and more popular in the market.

[0003] The existing stand-sit dual-purpose office lift table solves the defect of office workers sitting for a long time and realizes the alternation of standing and sitting. However, the existing stand-sit dual-purpose office lift table has the following disadvantages: the angle of the desktop cannot be rotated, especially for the lift table clamped on the external platform, the desktop can only be raised and lowered but cannot be rotated arbitrarily in the horizontal direction, which relatively reduces the comfort of use. Utility Model Content

[0004] The utility model aims to provide a lifting table with a rotatable tabletop, which has the advantage of a rotatable tabletop.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A lifting table with a rotatable desktop comprises a column and a table top, wherein a supporting leg is fixedly arranged inside the column, the top of the supporting leg is provided with a groove, the bottom end of the groove is fixedly arranged with a protective shell, the bottom end of the protective shell is rotatably connected with a threaded rod, a driving mechanism for driving the threaded rod to rotate is arranged inside the protective shell, a lifting block is threadedly connected to the threaded rod, the lifting block is slidably connected to the groove and two symmetrical lifting rods are fixedly arranged on the top, connecting blocks are fixedly arranged on the top of the two lifting rods, the tops of the connecting blocks are respectively provided with a circular groove and an arc groove, the inside of the circular groove is rotatably connected with a rotating shaft, a supporting plate is fixedly arranged on the top of the rotating shaft, a rotating rod fixed to the bottom end of the supporting plate is slidably connected to the arc groove, a tightening mechanism for tightening the rotating rod is arranged on the connecting block, and the support plate is fixed to the table top.

[0007] Preferably, the driving mechanism includes a motor fixed to one side of the inner wall of the supporting leg, a gear 1 is fixed to the output shaft of the motor, a gear 2 is meshed with one side of the gear 1, and the gear 2 is located inside the groove and fixed to the threaded rod.

[0008] Preferably, a protective cover is provided above the motor, and two sides of the protective cover are respectively fixed to the inner walls of the supporting legs, the gear one and the gear two are both located inside the protective cover, and the threaded rod passes through the top of the protective cover.

[0009] Preferably, the clamping mechanism includes through grooves opened around the connecting block, the four through grooves are connected to the arc groove and are internally provided with clamping rods for clamping the rotating rod, the clamping rods are provided with external threads at one end away from the rotating rod, and a nut is provided on the clamping rods.

[0010] The beneficial effects of the utility model are as follows: through the cooperation of the motor, gear one, gear two and the threaded rod, the lifting block, two lifting rods, the connecting block, the supporting block and the table top can be driven to move up and down respectively. By the operator manually rotating the table top, the table top can be adjusted to any angle. Through the cooperation of the clamping rod and the nut, the rotating rod, the supporting block and the table top can be clamped respectively, thereby improving the overall comfort of the lifting table. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 An exploded schematic diagram of an embodiment;

[0012] Figure 2 for Figure 1 A magnified view of part A;

[0013] Figure 3 Schematic diagram of the interior of a support leg of an embodiment.

[0014] Figure numerals: 1. column; 2. table top; 3. supporting leg; 31. groove; 32. protective shell; 33. threaded rod; 34. lifting block; 35. lifting rod; 4. connecting block; 41. circular groove; 42. arc groove; 5. supporting plate; 51. rotating shaft; 52. rotating rod; 6. protective cover; 7. driving mechanism; 71. motor; 72. gear one; 73. gear two; 8. tightening mechanism; 81. through groove; 82. tightening rod; 83. nut. DETAILED DESCRIPTION

[0015] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. The same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom" and "top", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0016] like Figures 1 to 3As shown, a lifting table with a rotatable desktop comprises a column 1 and a table top 2, a supporting leg 3 is fixedly arranged inside the column 1, a groove 31 is opened at the top of the supporting leg 3, a protective shell 32 is fixedly arranged at the bottom end of the groove 31, a threaded rod 33 is rotatably connected to the bottom end of the protective shell 32, a driving mechanism 7 for driving the threaded rod 33 to rotate is arranged inside the protective shell 32, the driving mechanism 7 comprises a motor 71 fixedly arranged on one side of the inner wall of the supporting leg 3, a gear 1 72 is fixedly arranged on the output shaft of the motor 71, a gear 2 73 is meshed with one side of the gear 1 72, the gear 2 73 is located in the groove 31 and fixed to the threaded rod 33; the gear 1 72 can be driven to rotate by starting the motor 71, and when the gear 1 72 rotates, the gear 2 73 meshed with it can be driven to rotate, and the threaded rod 33 can be rotated together by the rotation of the gear 2 73.

[0017] A protective cover 6 is arranged above the motor 71, and both sides of the protective cover 6 are respectively fixed to the inner walls of the supporting leg 3, the gear 1 72 and the gear 2 73 are both located inside the protective cover 6, and the threaded rod 33 passes through the top of the protective cover 6; the setting of the protective cover 6 can not only protect the motor 71, gear 1 72 and gear 2 73, but also prevent external dust or dirt from entering the motor 71 through the groove 31.

[0018] A lifting block 34 is threadedly connected to the threaded rod 33. The lifting block 34 is slidably connected to the groove 31 and two symmetrical lifting rods 35 are fixed on the top. A connecting block 4 is fixed on the top of the two lifting rods 35. A circular groove 41 and an arc groove 42 are respectively opened on the top of the connecting block 4. A rotating shaft 51 is rotatably connected inside the circular groove 41. A supporting plate 5 is fixed on the top of the rotating shaft 51, and the supporting plate 5 is fixed to the table top 2. When the threaded rod 33 rotates, it can drive the lifting block 34 to slide up and down inside the groove 31. Through the up and down sliding of the lifting block 34, the two lifting rods 35, the connecting block 4, the supporting plate 5 and the table top 2 can be driven to move up and down together.

[0019] A rotating rod 52 fixed to the bottom end of the support plate 5 is slidably connected to the arc groove 42, and a clamping mechanism 8 for clamping the rotating rod 52 is provided on the connecting block 4. The clamping mechanism 8 includes through grooves 81 opened around the connecting block 4. The four through grooves 81 are all connected to the arc groove 42 and are provided with a clamping rod 82 for clamping the rotating rod 52. The clamping rod 82 is provided with an external thread at one end away from the rotating rod 52, and a nut 83 is provided on the clamping rod 82. Through the provision of the four through grooves 81, when the rotating rod 52 is rotated to any point inside the arc groove 42, the clamping rod 82 can be inserted into one of the through grooves 81 until it conflicts with the rotating rod 52. By tightening the nut 83, it can not only fix the clamping rod 82, but also further strengthen the clamping of the clamping rod 82.

[0020] Through the cooperation of the motor 71, gear 1 72, gear 2 73 and threaded rod 33, the lifting block 34, two lifting rods 35, connecting block 4, support block and table top 2 can be driven to move up and down respectively. When the operator rotates the table top 2, it can not only drive the support plate 5 and the rotating shaft 51 to realize horizontal rotation with the circular groove 41 as the center, but also drive the rotating rod 52 to slide inside the arc groove 42. When the operator completes the rotation, the clamping rod 82 can be inserted into the through groove 81 until it conflicts with the rotating rod 52, and then the nut 83 on the clamping rod 82 can be tightened, so that the clamping rod 82 can be fixed to the outer wall of the through groove 81, thereby improving the overall comfort of the lifting table.

[0021] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting table with a rotatable tabletop, comprising a column (1) and a tabletop (2), characterized in that: A support leg (3) is fixedly arranged inside the column (1), a groove (31) is provided at the top of the support leg (3), a protective shell (32) is fixedly arranged at the bottom of the groove (31), a threaded rod (33) is rotatably connected to the bottom of the protective shell (32), a driving mechanism (7) for driving the threaded rod (33) to rotate is arranged inside the protective shell (32), a lifting block (34) is threadedly connected to the threaded rod (33), the lifting block (34) is slidably connected to the groove (31) and two symmetrical lifting rods (34) are fixedly arranged at the top. 5), a connecting block (4) is fixedly provided at the top of the two lifting rods (35), a circular groove (41) and an arc groove (42) are respectively provided at the top of the connecting block (4), a rotating shaft (51) is rotatably connected inside the circular groove (41), a supporting plate (5) is fixedly provided at the top of the rotating shaft (51), a rotating rod (52) fixed to the bottom end of the supporting plate (5) is slidably connected on the arc groove (42), a tightening mechanism (8) for tightening the rotating rod (52) is provided on the connecting block (4), and the supporting plate (5) is fixed to the table top (2).

2. The lifting table with a rotatable tabletop according to claim 1, characterized in that: The driving mechanism (7) comprises a motor (71) fixedly mounted on one side of the inner wall of the supporting leg (3); a gear 1 (72) is fixedly mounted on the output shaft of the motor (71); a gear 2 (73) is meshed with one side of the gear 1 (72); the gear 2 (73) is located inside the groove (31) and is fixed to the threaded rod (33).

3. The lifting table with a rotatable tabletop according to claim 2, characterized in that: A protective cover (6) is arranged above the motor (71), and two sides of the protective cover (6) are respectively fixed to the inner wall of the supporting leg (3), the gear 1 (72) and the gear 2 (73) are both located inside the protective cover (6), and the threaded rod (33) passes through the top of the protective cover (6).

4. The lifting table with a rotatable tabletop according to claim 1, characterized in that: The clamping mechanism (8) comprises through grooves (81) formed around the connecting block (4), the four through grooves (81) being connected to the arc groove (42) and having clamping rods (82) disposed therein for clamping the rotating rod (52), an end of the clamping rod (82) away from the rotating rod (52) being provided with external threads, and a nut (83) being disposed on the clamping rod (82).

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