Single-motor three-section lifting table

Abstract

The utility model relates to a single-motor three-section lifting table which comprises two table leg assemblies, a table top installation assembly is connected between the two table leg assemblies, and a driving assembly is arranged on one table leg assembly. Each table leg assembly comprises an inner pipe, a middle pipe and an outer pipe which are connected with one another, and the inner pipe, the middle pipe and the outer pipe stretch out and draw back relatively; the driving assembly comprises a driving motor, the driving motor is provided with a transverse transmission rod, the transverse transmission rod penetrates through the driving motor, a longitudinal transmission rod is arranged in the inner pipe, a lead screw is arranged in the longitudinal transmission rod, and the end of the transverse transmission rod is connected to the end of the lead screw. The two table leg assemblies can be driven to ascend and descend through one driving motor, cost is saved, ascending and descending synchronism of the two table leg assemblies can be achieved, and ascending and descending stability is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting table, concretely relates to a single motor three-section lifting table, belongs to the technical field of living or office supplies. BACKGROUND

[0002] The lifting table has become widely used office table or household desk, and the lifting table in the prior art almost all adopts the mode that one motor drives each table leg assembly, which often leads to the problem that two motors do not have synchronism, and finally causes the instability of the lifting table.

[0003] Therefore, the utility model is provided. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems of the prior art, the utility model aims at providing a single motor three-section lifting table, which can drive the lifting of two table leg assemblies through one driving motor, not only saving the cost, but also realizing the synchronism of the lifting of two table leg assemblies and ensuring the stability of the lifting.

[0005] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0006] A single motor three-section lifting table, comprising two table leg assemblies, a table top mounting assembly is connected between the two table leg assemblies, and a driving assembly is arranged on one of the table leg assemblies; the table leg assembly comprises an inner tube, a middle tube and an outer tube connected with each other, and the inner tube, the middle tube and the outer tube are relatively telescopic; the driving assembly comprises a driving motor, the driving motor is provided with a horizontal transmission rod, the horizontal transmission rod penetrates through the driving motor, the inner portion of the inner tube is provided with a vertical transmission rod, the vertical transmission rod is internally provided with a lead screw, and the end portion of the horizontal transmission rod is connected to the end portion of the lead screw.

[0007] The bottom end or the top end of the vertical transmission rod is provided with a hoop, the hoop is inserted into the inner portion of the inner tube, and the bottom end of the inner tube is fixed with the hoop.

[0008] The inner tube is inserted into the middle tube, and the top end or the bottom end of the middle tube clamps the bottom end or the top end of the inner tube to realize the limiting; the middle tube is inserted into the outer tube, and the top end or the bottom end of the outer tube clamps the bottom end or the top end of the middle tube to realize the limiting.

[0009] The table top mounting assembly comprises two crosspiece outer tubes, a crosspiece inner tube is connected between the two crosspiece outer tubes, and a table top mounting piece is connected to the end portion of the two crosspiece outer tubes, and the table top mounting piece is fixed to the end portion of the table leg assembly.

[0010] The crosspiece outer tube and the crosspiece inner tube are provided with a plurality of connecting holes, and the crosspiece outer tube and the crosspiece inner tube are connected by inserting fastening screws into the connecting holes.

[0011] The transverse transmission rod one and the transverse transmission rod two are both hexagonal transmission rods.

[0012] The transverse transmission rod one and the transverse transmission rod two are both hexagonal transmission rods.

[0013] The driving motor is provided with a brake drum, and the brake drum is provided with brake springs on the outer side.

[0014] The end of the screw rod is provided with a transverse transmission rod connecting hole, and the transverse transmission rod is inserted into the transverse transmission rod connecting hole.

[0015] The beneficial effects of the utility model are as follows

[0016] The single-motor three-section lifting table can drive the lifting of the two table leg assemblies by one driving motor, thereby saving cost and realizing the synchronism of the lifting of the two table leg assemblies and ensuring the lifting stability. In addition, the table frame assembly adopts the mode of inner tube, middle tube and outer tube, that is, the three-section tube can ensure that the table top can be lifted to a higher height than the two-section table leg with the same initial height under the condition of lower installation initial position. The table top width is determined by the connection of the crosspiece outer tube and the crosspiece inner tube 11, the connecting holes at different positions can be selected according to actual needs, thereby determining the table top width, and the utility model is applicable to any space. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is an exploded structural schematic view of the table leg assembly in the utility model;

[0019] Figure 3 It is a structural schematic view of the longitudinal transmission rod in the utility model;

[0020] Figure 4 It is a connecting relationship schematic view of the crosspiece outer tube and the crosspiece inner tube in the utility model;

[0021] Figure 5 It is a structural schematic view of the driving motor in the utility model;

[0022] Wherein, 1 is the inner tube, 2 is the middle tube, 3 is the outer tube, 4 is the driving motor, 5 is the horizontal transmission rod one, 6 is the horizontal transmission rod two, 7 is the longitudinal transmission rod, 8 is the clamp, 9 is the screw, 10 is the crossbar outer tube, 11 is the crossbar inner tube, 12 is the tabletop mounting piece, 13 is the connecting hole, 14 is the end of the screw rod, 15 is the horizontal transmission rod connecting hole, 16 is the brake drum, 17 is the brake spring. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with specific embodiments, but the protection scope of the utility model is not limited to this. EMBODIMENT

[0024] As Figures 1-5 shown, the single motor three-section lifting table of the embodiment 1 includes two leg assemblies, the tabletop mounting assembly is connected between the two leg assemblies, and the driving assembly is arranged on one of the leg assemblies. The structure arrangement enables one driving assembly to realize the lifting of the entire leg assembly, thereby reducing the cost.

[0025] Further, the leg assembly in the embodiment 1 includes the inner tube 1, the middle tube 2 and the outer tube 3 connected with each other, and the inner tube 1, the middle tube 2 and the outer tube 3 are relatively telescopic. The inner tube 1 is internally provided with the longitudinal transmission rod 7, the longitudinal transmission rod 7 is internally provided with a screw rod (not indicated in the drawing of the embodiment 1), the bottom end of the longitudinal transmission rod 7 is provided with the clamp 8, the clamp 8 is inserted into the inner tube 1, and the clamp 8 is fixed to the bottom end of the inner tube 1 through the screw 9; the inner tube 1 is inserted into the middle tube 2, and the top end of the middle tube 2 clamps the bottom end of the inner tube 1 to realize the limiting; the middle tube 2 is inserted into the outer tube 3, and the top end of the outer tube 3 clamps the bottom end of the middle tube 2 to realize the limiting.

[0026] The driving assembly includes the driving motor 4, the driving motor 4 is provided with the horizontal transmission rod, the horizontal transmission rod includes the horizontal transmission rod one 5 and the horizontal transmission rod two 6, and the horizontal transmission rod one 5 is inserted into the horizontal transmission rod two 6. The end 14 of the screw rod is provided with the horizontal transmission rod connecting hole 15, after the horizontal transmission rod passes through the driving motor 4, the end of the horizontal transmission rod is inserted into the horizontal transmission rod connecting hole 15 to realize the connection with the end 14 of the screw rod.

[0027] Further, in order to make the transmission more stable, the horizontal transmission rod one 5 and the horizontal transmission rod two 6 in the embodiment 1 are both hexagonal transmission rods.

[0028] Further, in order to set the width of the desktop as required, the desktop mounting assembly in the embodiment 1 comprises two cross bars outer tubes 10, the cross bars inner tube 11 is connected between the two cross bars outer tubes 10, the cross bars outer tube 10 and the cross bars inner tube 11 are provided with a plurality of connecting holes 13, and the cross bars outer tube 10 and the cross bars inner tube 11 are connected by inserting the fastening screws into the connecting holes 13 during installation, and the connecting holes 13 at different positions can be selected according to the actual required width, so as to determine the overall width of the lifting table. The end of the two cross bars outer tubes 10 is connected with the desktop mounting piece 12, the desktop mounting piece 12 is fixed at the end of the leg assembly and is lifted together with the leg assembly.

[0029] When the embodiment 1 is used, the rotation of the horizontal transmission rod one 5 and the horizontal transmission rod two 6 is realized by the operation of the driving motor 4, so as to drive the up-down movement of the lead screw, and then drive the up-down movement of the vertical transmission rod 7, and finally realize the up-down movement of the inner tube 1, the middle tube 2 and the outer tube 3. In addition, the driving motor 4 in the embodiment 1 is provided with the brake drum 16, and the brake spring 17 is arranged on the outer side of the brake drum 16, which further ensures that the table will not slide down under static load and maintains the constant height of the desktop.

[0030] The embodiment 1 can drive the lifting of the two leg assemblies by one driving motor 4, which not only saves the cost, but also realizes the synchronization of the lifting of the two leg assemblies and ensures the stable lifting. Embodiment

[0031] In the embodiment 2, the top end of the vertical transmission rod 7 is provided with the clamp 8, the clamp 8 is inserted into the inner tube 1, and the clamp 8 is fixed with the top end of the inner tube 1 by the screw 9; the inner tube 1 is inserted into the middle tube 2, and the bottom end of the middle tube 2 clamps the top end of the inner tube 1 to realize the limiting; the middle tube 2 is inserted into the outer tube 3, and the bottom end of the outer tube 3 clamps the top end of the middle tube 2 to realize the limiting.

[0032] The embodiment 2 and the embodiment 1 are in the relationship of positive and reverse installation, and the other structures and the connection relationship and the working principle are the same as those of the embodiment 1, which will not be described here.

[0033] The above embodiments are only used to explain the inventive concept of the utility model, and are not limited to the protection of the utility model, and any non-essential modification of the utility model by using the concept shall fall within the protection scope of the utility model.

Claims

1. A single motor three-section lift table, characterized by: The application relates to a table leg assembly and a table top mounting assembly.

2. The single-motor, three-stage lift table of claim 1, wherein: The bottom end or the top end of the longitudinal transmission rod is provided with a hoop which is inserted into the inner tube and fixed to the bottom end or the top end of the inner tube.

3. The single motor three stage lift table of claim 1, wherein: The inner tube is inserted into the middle tube, and the top end or the bottom end of the middle tube clamps the bottom end or the top end of the inner tube to realize limiting; the middle tube is inserted into the outer tube, and the top end or the bottom end of the outer tube clamps the bottom end or the top end of the middle tube to realize limiting.

4. The single motor three stage lift table of claim 1, wherein: The table top mounting assembly comprises two crosspiece outer tubes, two crosspiece inner tubes connected between the two crosspiece outer tubes, and a table top mounting piece connected to the end of the two crosspiece outer tubes, wherein the table top mounting piece is fixed to the end of the table leg assembly.

5. The single motor, three stage lift table of claim 4, wherein: The crosspiece outer tube and the crosspiece inner tube are provided with a plurality of connecting holes, and the crosspiece outer tube and the crosspiece inner tube are connected by inserting fastening screws into the connecting holes.

6. The single motor, three stage lift table of claim 1 or 4, wherein: The horizontal transmission rod comprises a horizontal transmission rod one and a horizontal transmission rod two, and the horizontal transmission rod one is inserted into the horizontal transmission rod two.

7. The single motor, three stage lift table of claim 6, wherein: The horizontal transmission rod one and the horizontal transmission rod two are hexagonal transmission rods.

8. The single motor three stage lift table of claim 4, wherein: The driving motor is provided with a brake drum, and the outer side of the brake drum is provided with a brake spring.

9. The single motor, three stage lift table of claim 1, wherein: The end of the screw rod is provided with a horizontal transmission rod connecting hole, and the horizontal transmission rod is inserted into the horizontal transmission rod connecting hole.

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