Electric lifting table

Abstract

The utility model relates to the technical field of electric lifting tables, and specifically to an electric lifting table, comprising a desktop panel, a support seat, a support block, a support groove, a support column, a bottom plate and a lifting mechanism, wherein the support seat is fixedly arranged on the desktop panel, and two support blocks are fixedly arranged on the side wall of the support seat away from the desktop panel, the support groove is opened on the support seat, the support column is slidably arranged in the support groove, the bottom plate is fixedly arranged on the support column, and the lifting mechanism is arranged in the support groove for adjusting the height of the desktop panel. Through the above technical scheme, it is convenient to quickly adjust the height of the desktop panel through the meshing of the fourth bevel gear and the third bevel gear, and then the height of the desktop panel is finely adjusted through the meshing of the fifth bevel gear and the sixth bevel gear, thereby improving the adjustment accuracy and adjustment efficiency, and solving the problem that the electric lifting table in the prior art is not convenient for fine height adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of electric lifting tables, in particular to an electric lifting table. Background Art

[0002] An electric lift table is an office desk with adjustable height, which can be adjusted according to a person's height, sitting posture or standing posture. An electric lift table generally uses a motor as a power source to drive the lifting. The electric lift table of the related technology has a structure including a table top assembly, a base, and a lifting column connecting the table top assembly and the base to drive the height of the table top assembly relative to the base; the driving motor is installed under the table top assembly to drive the lifting column to move up and down.

[0003] Specifically, a linear drive mechanism for driving the extension and retraction of the lifting column is connected inside the lifting column, and the drive motor is transmission-connected to the linear drive mechanism, and is used to drive the linear drive mechanism to extend and retract so that the lifting column can be extended and retracted to adjust the height. The linear drive mechanism is also called a linear transmission assembly, a screw nut pair, etc. Its structure is like the linear transmission assembly disclosed in the patent application with publication number CN111120605A previously applied for by the applicant of this case, which includes a wire tube and a screw rod, and the screw rod is transmission-connected to the drive motor, and a slider is connected to the tail end of the screw rod. When the lifting column is in an ascending operation, the drive motor drives the screw rod to rotate, and the transmission nut threaded on the screw rod moves along the axial direction of the screw rod, so that the lifting column rises, and the screw rod and the slider rise synchronously. Conversely, when the lifting column is in a descending operation, the screw rod and the slider descend toward the direction close to the base.

[0004] However, the above-mentioned prior art can only be adjusted at a single speed during use, so it is not convenient to further finely adjust the height of the table top after adjusting to a suitable height, thereby affecting the comfort of use. Utility Model Content

[0005] The utility model provides an electric lifting table, which solves the problem that the electric lifting table in the prior art is inconvenient to perform fine height adjustment.

[0006] The technical solution of the utility model is as follows: an electric lifting table, comprising a desktop panel, a support seat, a support block, a support slot, a support column, a bottom plate and a lifting mechanism;

[0007] The support base is fixedly arranged on the desktop panel;

[0008] The side wall of the support base away from the desktop panel is respectively fixed with two support blocks;

[0009] The support groove is provided on the support seat;

[0010] The support column is slidably disposed in the support groove;

[0011] The bottom plate is fixedly arranged on the supporting column;

[0012] The lifting mechanism is arranged in the supporting groove and is used for adjusting the height of the desktop panel.

[0013] Preferably, the lifting mechanism comprises:

[0014] A threaded hole, wherein the threaded hole is provided on the support column;

[0015] A threaded rod, the threaded rod is rotatably disposed at the bottom of the support groove, and the threaded rod extends into the threaded hole through threaded engagement;

[0016] A synchronous rotation mechanism is arranged in the support seat and is used to control the threaded rods on both sides of the support seat to rotate synchronously.

[0017] Furthermore, the synchronous rotation mechanism comprises:

[0018] A first cavity, wherein two first cavities are provided in the support seat, and the first cavities correspond to the support blocks one by one;

[0019] a second cavity, the second cavity being opened between the first cavities;

[0020] A conduction rod, the conduction rod being rotatably disposed between the two first cavity side walls, the conduction rod penetrating the second cavity side wall and being rotatably connected to the support seat;

[0021] A first bevel gear, wherein the first bevel gear is rotatably disposed on the inner bottom wall of the first cavity, and a connecting rod is fixedly disposed between the first bevel gear and the threaded rod;

[0022] a second bevel gear, the second bevel gear being rotatably disposed on the side wall of the first cavity, the conduction rod being fixedly connected to the second bevel gear;

[0023] Wherein, the first bevel gear is fixedly connected to the second bevel gear;

[0024] A driving mechanism is disposed in the second cavity and is used to control the conduction rod to rotate.

[0025] Furthermore, the driving mechanism includes:

[0026] a driving frame, the driving frame being slidably disposed in the second cavity;

[0027] Wherein, the conductive rod passes through the driving frame;

[0028] a third bevel gear, the third bevel gear being rotatably disposed on the inner wall of the driving frame;

[0029] Wherein, the conduction rod passes through the third bevel gear and is slidably connected with the third bevel gear;

[0030] A driving column, wherein the driving column is fixedly disposed on the inner bottom wall of the second cavity;

[0031] A fourth bevel gear, the fourth bevel gear is fixedly arranged on the driving column, and the fourth bevel gear is meshed with the third bevel gear;

[0032] A first motor, wherein the first motor is fixedly disposed on the support seat, and an output end of the first motor is fixedly connected to the driving column;

[0033] A fine adjustment mechanism, which is disposed in the second cavity and is used to finely adjust the height of the desktop panel;

[0034] A moving mechanism is disposed in the second cavity and is used to control the driving frame to move.

[0035] Furthermore, the fine adjustment mechanism includes:

[0036] A fifth bevel gear, the fifth bevel gear being rotatably disposed on the inner wall of the driving frame;

[0037] Wherein, the conduction rod passes through the fifth bevel gear and is slidably connected with the fifth bevel gear;

[0038] a first gear, the first gear being fixedly disposed on the driving column;

[0039] a second gear, the second gear being rotatably arranged on a side of the first gear close to the fifth bevel gear;

[0040] Wherein, the first gear is meshed with the second gear;

[0041] a sixth bevel gear, the sixth bevel gear being fixedly disposed on the second gear;

[0042] Wherein, the sixth bevel gear has the same size as the fourth bevel gear.

[0043] On the basis of the above scheme, the moving mechanism comprises:

[0044] A movable groove, the movable groove is formed on the side wall of the second cavity;

[0045] An electric push rod is fixedly arranged in the moving groove, and an output end of the electric push rod is fixedly connected to the driving frame.

[0046] The working principle and beneficial effects of the utility model are:

[0047] 1. In the utility model, by setting the lifting mechanism, it is convenient to drive the support block to move in the support groove through the cooperation between the threaded rod and the threaded hole, so as to facilitate the adjustment of the height of the desktop panel;

[0048] 2. In the utility model, by setting the synchronous rotation mechanism, the second bevel gear is driven to rotate by the rotation of the transmission rod, and the threaded rod is driven to rotate synchronously by the meshing of the second bevel gear and the first bevel gear, thereby improving the moving stability of the desktop panel;

[0049] 3. In the utility model, through the setting of the driving mechanism, the operation of the first motor can drive the driving column to rotate, and at the same time, the transmission of the first gear and the second gear can drive the fourth bevel gear and the sixth bevel gear to rotate synchronously, and then the electric push rod can be used to drive the driving frame to move, so that the height of the desktop board can be quickly adjusted through the meshing of the fourth bevel gear and the third bevel gear, and then the height of the desktop board can be finely adjusted through the meshing of the fifth bevel gear and the sixth bevel gear, thereby improving the adjustment accuracy and adjustment efficiency;

[0050] 4. In the utility model, through the arrangement of the desktop panel, the support seat, the support block, the support groove, the support column, the bottom plate and the lifting mechanism, it is convenient to quickly adjust the height of the desktop panel through the engagement of the fourth bevel gear and the third bevel gear, and then the height of the desktop panel can be finely adjusted through the engagement of the fifth bevel gear and the sixth bevel gear, thereby improving the adjustment accuracy and efficiency, and solving the problem that the electric lifting table in the prior art is not convenient for fine height adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0052] Figure 1 It is a schematic diagram of the structure of the utility model;

[0053] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0054] Figure 3 This is a schematic cross-sectional view of the driving mechanism of the utility model;

[0055] Figure 4 This is a schematic diagram of the lifting mechanism structure of the utility model.

[0056] In the figure: 1, desktop panel; 2, support seat; 3, support block; 4, support groove; 5, support column; 6, bottom plate; 7, threaded rod; 8, first cavity; 9, second cavity; 10, conduction rod; 11, first bevel gear; 12, second bevel gear; 13, drive frame; 14, third bevel gear; 15, drive column; 16, fourth bevel gear; 17, first motor; 18, fifth bevel gear; 19, first gear; 20, second gear; 21, sixth bevel gear; 22, electric push rod. DETAILED DESCRIPTION

[0057] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0058] like Figure 1 to Figure 4 As shown, this embodiment proposes an electric lifting table, including a desktop panel 1, a support base 2, a support block 3, a support groove 4, a support column 5, a base plate 6 and a lifting mechanism. The support base 2 is fixedly arranged on the desktop panel 1, and two support blocks 3 are fixedly arranged on the side walls of the support base 2 away from the desktop panel 1. The support groove 4 is opened on the support base 2, and the support column 5 is slidably arranged in the support groove 4. The base plate 6 is fixedly arranged on the support column 5, and the lifting mechanism is arranged in the support groove 4 for adjusting the height of the desktop panel 1.

[0059] Among them, the lifting mechanism includes a threaded hole, a threaded rod 7 and a synchronous rotation mechanism. The threaded hole is opened on the support column 5, the threaded rod 7 is rotatably set at the bottom of the support groove 4, and the threaded rod 7 extends into the threaded hole through threaded cooperation. The synchronous rotation mechanism is set in the support seat 2, and is used to control the threaded rods 7 on both sides of the support seat 2 to rotate synchronously.

[0060] Specifically, during the rotation of the threaded rod 7 , the support block 3 can be driven to move in the support groove 4 through the cooperation between the threaded rod 7 and the threaded hole, so that the height of the desktop panel 1 can be adjusted.

[0061] Among them, the synchronous rotation mechanism includes a first cavity 8, a second cavity 9, a transmission rod 10, a first bevel gear 11, a second bevel gear 12 and a driving mechanism. Two first cavities 8 are opened in the support seat 2, and the first cavities 8 correspond to the support blocks 3 one by one. The second cavity 9 is opened between the first cavities 8. The transmission rod 10 is rotatably set between the two side walls of the first cavities 8. The transmission rod 10 penetrates the side wall of the second cavity 9 and is rotatably connected to the support seat 2. The first bevel gear 11 is rotatably set on the inner bottom wall of the first cavity 8. A connecting rod is fixedly set between the first bevel gear 11 and the threaded rod 7. The second bevel gear 12 is rotatably set on the side wall of the first cavity 8. The transmission rod 10 is fixedly connected to the second bevel gear 12. Among them, the first bevel gear 11 is fixedly connected to the second bevel gear 12. The driving mechanism is set in the second cavity 9 for controlling the rotation of the transmission rod 10.

[0062] Specifically, the operation of the driving mechanism can drive the transmission rod 10 to rotate, thereby driving the second bevel gear 12 to rotate through the rotation of the transmission rod 10, and at the same time driving the threaded rod 7 to rotate synchronously through the engagement of the second bevel gear 12 with the first bevel gear 11, thereby improving the movement stability of the desktop panel 1.

[0063] The driving mechanism includes a driving frame 13, a third bevel gear 14, a driving column 15, a fourth bevel gear 16, a fine adjustment mechanism and a moving mechanism. The driving frame 13 is slidably arranged in the second cavity 9, wherein the conduction rod 10 passes through the driving frame 13, and the third bevel gear 14 is rotatably arranged on the inner wall of the driving frame 13, wherein the conduction rod 10 passes through the third bevel gear 14 and is slidably connected to the third bevel gear 14, the driving column 15 is fixedly arranged on the inner bottom wall of the second cavity 9, the fourth bevel gear 16 is fixedly arranged on the driving column 15, and the fourth bevel gear 16 is meshed with the third bevel gear 14, the fine adjustment mechanism is arranged in the second cavity 9, and is used to finely adjust the height of the desktop panel 1, and the moving mechanism is arranged in the second cavity 9, and is used to control the driving frame 13. To move, the fine adjustment mechanism includes a fifth bevel gear 18, a first gear 19, a second gear 20 and a sixth bevel gear 21, the fifth bevel gear 18 is rotatably set on the inner wall of the driving frame 13, wherein the conduction rod 10 passes through the fifth bevel gear 18 and is slidably connected with the fifth bevel gear 18, the first gear 19 is fixedly set on the driving column 15, the second gear 20 is rotatably set on the side of the first gear 19 close to the fifth bevel gear 18, wherein the first gear 19 is meshed with the second gear 20, the sixth bevel gear 21 is fixedly set on the second gear 20, the moving mechanism includes a moving groove and an electric push rod 22, the moving groove is opened on the side wall of the second cavity 9, the electric push rod 22 is fixedly set in the moving groove, and the output end of the electric push rod 22 is fixedly connected to the driving frame 13.

[0064] Specifically, the operator controls the operation of the first motor 17, and the operation of the first motor 17 can drive the driving column 15 to rotate, and at the same time, through the transmission of the first gear 19 and the second gear 20, the fourth bevel gear 16 and the sixth bevel gear 21 are driven to rotate synchronously, and then the driving frame 13 can be driven to move by the electric push rod 22, so that the third bevel gear 14 and the fourth bevel gear 16 are meshed through the movement of the driving frame 13, thereby driving the transmission rod 10 to rotate quickly, so as to quickly adjust the height of the desktop panel 1, and then the fifth bevel gear 18 and the sixth bevel gear 21 are meshed through the movement of the driving frame 13, so that the height of the desktop panel 1 can be finely adjusted.

[0065] In this embodiment, when in use, the operator controls the first motor 17 to work, and the work of the first motor 17 can drive the driving column 15 to rotate, and at the same time, the fourth bevel gear 16 and the sixth bevel gear 21 are driven to rotate synchronously through the transmission of the first gear 19 and the second gear 20, and then the driving frame 13 can be driven to move through the electric push rod 22, so that the third bevel gear 14 and the fourth bevel gear 16 are meshed through the movement of the driving frame 13, and the transmission rod 10 is driven to rotate rapidly, and the second bevel gear 12 is driven to rotate through the rotation of the transmission rod 10, and at the same time, the threaded rod 7 is driven to rotate synchronously through the meshing of the second bevel gear 12 and the first bevel gear 11, and then the height of the desktop board 1 is quickly adjusted through the cooperation of the threaded rod 7 and the threaded hole, and then the fifth bevel gear 18 is meshed with the sixth bevel gear 21 through the movement of the driving frame 13, so that the transmission rod 10 can be driven to rotate slowly, so that the height of the desktop board 1 can be finely adjusted.

[0066] The above are only preferred 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. An electric lifting table, characterized in that: include: Desktop panel (1); A support base (2), wherein the support base (2) is fixedly arranged on the desktop panel (1); Support blocks (3), two of the support blocks (3) are fixedly arranged on the side wall of the support base (2) away from the desktop panel (1); A support groove (4), wherein the support groove (4) is provided on the support seat (2); A support column (5), wherein the support column (5) is slidably disposed in the support groove (4); A bottom plate (6), the bottom plate (6) being fixedly arranged on the support column (5); A lifting mechanism, the lifting mechanism being arranged in the supporting groove (4) and being used for adjusting the height of the desktop panel (1); Wherein, the lifting mechanism comprises: A threaded hole, the threaded hole being provided on the support column (5); A threaded rod (7), the threaded rod (7) being rotatably arranged at the bottom of the support groove (4), the threaded rod (7) extending into the threaded hole through threaded engagement; A synchronous rotation mechanism, the synchronous rotation mechanism being arranged in the support seat (2) and being used for controlling the threaded rods (7) on both sides of the support seat (2) to rotate synchronously; Wherein, the synchronous rotation mechanism comprises: A first cavity (8), wherein two first cavities (8) are provided in the support seat (2), and the first cavities (8) correspond one to one with the support blocks (3); A second cavity (9), the second cavity (9) being opened between the first cavities (8); a conduction rod (10), the conduction rod (10) being rotatably disposed between the two side walls of the first cavity (8), the conduction rod (10) penetrating the side wall of the second cavity (9) and being rotatably connected to the support seat (2); a first bevel gear (11), the first bevel gear (11) being rotatably arranged on the inner bottom wall of the first cavity (8), and a connecting rod being fixedly arranged between the first bevel gear (11) and the threaded rod (7); a second bevel gear (12), the second bevel gear (12) being rotatably disposed on a side wall of the first cavity (8), the conduction rod (10) being fixedly connected to the second bevel gear (12); Wherein, the first bevel gear (11) is fixedly connected to the second bevel gear (12); a driving mechanism, the driving mechanism being arranged in the second cavity (9) and being used for controlling the conduction rod (10) to rotate; Wherein, the driving mechanism comprises: a driving frame (13), the driving frame (13) being slidably disposed in the second cavity (9); Wherein, the conductive rod (10) passes through the driving frame (13); a third bevel gear (14), the third bevel gear (14) being rotatably disposed on the inner wall of the driving frame (13); Wherein, the conduction rod (10) passes through the third bevel gear (14) and is slidably connected to the third bevel gear (14); A driving column (15), wherein the driving column (15) is fixedly arranged on the inner bottom wall of the second cavity (9); a fourth bevel gear (16), the fourth bevel gear (16) being fixedly arranged on the driving column (15), the fourth bevel gear (16) being meshed with the third bevel gear (14); A first motor (17), wherein the first motor (17) is fixedly arranged on the support seat (2), and an output end of the first motor (17) is fixedly connected to the driving column (15); A fine adjustment mechanism, the fine adjustment mechanism being arranged in the second cavity (9) and being used for finely adjusting the height of the desktop panel (1); A moving mechanism, the moving mechanism is arranged in the second cavity (9) and is used to control the movement of the driving frame (13).

2. The electric lifting table according to claim 1, characterized in that: The fine adjustment mechanism comprises: a fifth bevel gear (18), the fifth bevel gear (18) being rotatably disposed on the inner wall of the driving frame (13); Wherein, the transmission rod (10) passes through the fifth bevel gear (18) and is slidably connected to the fifth bevel gear (18); A first gear (19), wherein the first gear (19) is fixedly arranged on the driving column (15); a second gear (20), the second gear (20) being rotatably arranged on a side of the first gear (19) close to the fifth bevel gear (18); wherein the first gear (19) is meshed with the second gear (20); A sixth bevel gear (21), wherein the sixth bevel gear (21) is fixedly arranged on the second gear (20).

3. The electric lifting table according to claim 2, characterized in that: The moving mechanism comprises: A movable groove, the movable groove being formed on a side wall of the second cavity (9); An electric push rod (22), the electric push rod (22) is fixedly arranged in the movable groove, and the output end of the electric push rod (22) is fixedly connected to the driving frame (13).

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