CN216147454U - Lifting table with double motors - Google Patents
Lifting table with double motors Download PDFInfo
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- CN216147454U CN216147454U CN202121642533.1U CN202121642533U CN216147454U CN 216147454 U CN216147454 U CN 216147454U CN 202121642533 U CN202121642533 U CN 202121642533U CN 216147454 U CN216147454 U CN 216147454U
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- screw rod
- nut
- lifting table
- speed reducing
- dual
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Abstract
The utility model relates to the technical field of electric lifting tables, in particular to a lifting table with double motors. When table legs on two sides of an existing lifting table ascend or descend, time difference is prone to occurring, two sides are asynchronous, shaking can occur, a screw rod is enabled to deviate towards one side, noise and abnormal abrasion are generated, and the service life of the lifting table is shortened. A lifting table with double motors comprises foot components arranged on the left side and the right side below a table plate, inner pipes on the foot components, outer pipes sleeved on the outer sides of the inner pipes, screw rods arranged in the two inner pipes, vertical speed reducing motors respectively embedded on the inner sides of the two outer pipes, the screw rods sleeved on the speed reducing motors, and the speed reducing motors driving the screw rods to move up and down or lift to lift the table plate; the screw rod is provided with a nut seat and a nut, and the screw rod is locked by the nut seat and the nut. The dual motors lift the two sides, the consistency is good, and the transmission is stable. The screw rod is locked by the nut seat and the nut, so that the shaking and the deviation of the screw rod are effectively prevented, the noise is greatly reduced, and the transmission damage is reduced.
Description
Technical Field
The utility model relates to the technical field of electric lifting tables, in particular to a lifting table with double motors.
Background
In modern society, people working at desks are increasing, and for example, people working for a long time sitting at desks are easy to cause various diseases affecting body health due to long-term sitting. Therefore, the structure of the desk with fixed height can not meet the requirements of modern people, and various electric lifting desks are produced, so that the height of the desk can be adjusted, and the desk can be used for working in a standing or sitting mode. The lifting of the existing lifting table is basically that a common motor drives a worm wheel, a worm or a gear speed reducing mechanism to reduce speed, then the speed reducing mechanism drives a transverse transmission rod to transmit to the other side, a vertical screw rod ascends and descends to drive the height of the table to change, the motor is only arranged on one side, and the motor on one side drives the other side to lift. When the table legs on the two sides ascend or descend, time difference is easy to generate to cause that the two sides are asynchronous, so that unstable transmission is caused, the screw rod often shakes in the transmission process, so that the screw rod deviates towards one side, noise and abnormal abrasion are generated, various transmission parts are easy to damage or scrap, and the service life of the lifting table is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-motor lifting table with two sides capable of synchronously ascending or descending, stable transmission, low noise and long service life, aiming at the defects of the prior art.
A lifting table with double motors comprises a table top, foot components arranged below the table top and on the left side and the right side, inner pipes respectively arranged on the foot components, and outer pipes sleeved outside the inner pipes, wherein screw rods are respectively arranged in the two inner pipes, vertical speed reducing motors are respectively embedded in the two outer pipes close to the inner sides, the screw rods are sleeved on the speed reducing motors, and the speed reducing motors drive the screw rods to move up and down or lift to lift the table top; the screw rod is rotatably connected with a nut seat and a nut, the nut is covered in the nut seat by a cover plate, and the screw rod is locked by the nut seat and the nut. The two motors are used for lifting the two sides, the consistency is good, and the transmission is stable. The screw rod is locked by the nut seat and the nut, so that the shaking and the deviation of the screw rod are effectively prevented, the noise is greatly reduced, the transmission damage is reduced, and the service life is prolonged.
As a further improvement and complement to the above solution, the present invention also includes the following additional technical features:
and a gap is arranged between the nut seat and the nut in the vertical height direction, the nut is connected with the screw rod in a sliding manner, and the screw rod can be locked by ascending or descending. The service life of the screw rod is prolonged, and the connected transmission parts are protected.
One end of the screw rod is provided with a polygonal sleeve which is sleeved on the speed reducing motor. The positioning is reasonable and the connection is convenient.
The polygon on the screw rod is hexagonal. The processing and the installation are convenient.
The inner pipe and the outer pipe are made of aluminum alloy. Light weight and good comprehensive performance.
The outer side wall of the inner pipe is provided with a plurality of friction plates. The outer pipe ascends or descends and is isolated by the friction plate, and the inner pipe and the outer pipe are protected at the same time.
The friction plate is made of nylon. Good wear resistance, low noise and long service life.
A plurality of bottom foot pads are arranged below the bottom foot components. The horizontal adjustment can be carried out, and the stability of the whole table is good.
The utility model can achieve the following beneficial effects:
1. this practicality adopts two gear motor to drive the action of desk leg, need not reduce gear and decelerate again, has reduced transmission loss and damage, and both ends drive with the motor respectively, and it is unanimous to rise or descend, and stability is good.
2. The transmission is carried out by adopting a fixed nut and nut seat connection mode. The transmission can be carried out in a self-locking manner, so that the lead screw is effectively prevented from shaking and deviating, the lead screw, the nut and the nut seat are effectively protected, the noise is greatly reduced, the transmission damage is reduced, and the service life is prolonged.
3. The utility model has the advantages of reasonable structure, set up the location at the connection position, and install, dismantle and maintain convenient and fast.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is a bottom view of the present invention.
FIG. 6 is a partial enlarged view of FIG. 2A of the present invention.
Fig. 7 is a schematic view of the nut holder 12 according to the present invention.
Fig. 8 is a schematic structural view of the screw 10 of the present invention.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1-8, the present invention is a dual-motor lifting table.
The lift table of bi-motor, including table 1, establish footing subassembly 7 that is located the left and right sides below table 1, establish inner tube 6 on footing subassembly 7 respectively, the cover is established at the outer tube 5 in the 6 outsides of inner tube, outer tube 5 and inner tube 6 are square structure in this embodiment, and are hollow pipe fitting structure. The desk plate 1 is provided with a round hole 11 for passing through wires such as a keyboard and a mouse, and the desk plate is convenient and reasonable to use. The table plate is characterized in that a cross pull rod 2 is arranged below the table plate 1, a pull rod support component 15 is arranged on the cross pull rod 2, side fixing plates 3 are arranged above two sides of the pull rod support component 15, the table plate 1 is fixed on the side fixing plates 3, a speed reduction motor 4 is fixedly arranged below the pull rod support component 15, and an outer tube 5 is fixed in front of the pull rod support component 15. The inner portions of the two inner pipes 6 are respectively provided with a screw rod 10, the inner sides of the two outer pipes 5 are respectively embedded with a vertical speed reducing motor 4, the speed reducing motor 4 is connected with the screw rod 10 and penetrates through the outer pipes 5, the screw rod 10 is directly sleeved on the speed reducing motor 4, the screw rod 10 is fixed on the speed reducing motor 4 through a bearing seat 9 with a bearing, and the screw rod 10 is directly fixed at the end of the speed reducing motor 4 through a bolt standard component. The lead screw 10 is driven by the gear motor 4 to move up and down or lift, so that the table board 1 is lifted; the screw rod 10 is rotatably connected with a nut seat 12 and a nut 13, the nut 13 is positioned in a hollow inner cavity of the nut seat 12, the nut 13 is covered in the nut seat 12 through a cover plate 11, and the screw rod 10 is locked by the nut seat 12 and the nut 13.
Furthermore, a gap is arranged between the nut seat 12 and the nut 13 in the vertical height direction, the nut 13 is connected with the screw rod 10 in a sliding manner, and the screw rod 10 can be locked by ascending or descending. The screw rod 10 rotates upwards, the upper plane of the nut 13 is attached to the nut seat 12, the screw rod 10 rotates downwards, and the lower plane of the nut 13 is attached to the nut seat 12; and the upper end of the nut seat 12 is provided with a boss extending outwards in the circumferential direction for positioning, and the inner pipe 6 is abutted against the boss.
Further, one end of the screw rod 10 is provided with a polygon sleeve which is sleeved on the speed reducing motor 4, and a screw hole is arranged in the polygon. The polygon on the screw rod 10 in the embodiment is a hexagon.
Further, the inner tube 6 and the outer tube 5 are made of aluminum alloy, such as ADC12 material.
Furthermore, a plurality of friction plates 14 are arranged on the outer side wall of the inner pipe 6, the friction plates 14 are fixed on the outer side of the inner pipe 6, and the number of the friction plates 14 is 4 in this embodiment. And comes into contact with friction plate 14 when outer tube 5 is raised or lowered.
Further, the material of the friction plate 14 is nylon.
Furthermore, a plurality of bottom foot pads 8 are arranged below the bottom foot components 7, the bottom foot pads 8 are cylindrical structures in the embodiment, anti-skid tooth-shaped structures are arranged on the outer sides of the cylinders, and 2 bottom foot pads are arranged below each bottom foot component 7.
When the lifting table with the double motors is used, after the speed is reduced by the speed reducing motor 4, the screw rod 10 is driven to rotate upwards, the height of the screw rod 10 in the inner tube 6 is reduced, the upward height is increased, the pull rod support assembly 15 and the outer tube 5 fixed in front of the pull rod support assembly 15 are driven to ascend upwards, and meanwhile, the table board 1 on the pull rod support assembly 15 also ascends correspondingly, so that the height of the whole table is increased. On the contrary, when the speed reduction motor 4 drives the screw rod 10 to rotate downwards, the height of the screw rod 10 in the inner tube 6 is increased, the outer tube 5 and the table board 1 descend downwards, and the height of the whole table is reduced.
The above is the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and variations and modifications made by those skilled in the art according to the design concept of the present invention should be considered to be within the scope of the present invention.
Claims (8)
1. The utility model provides a lift table of bi-motor, includes table (1), establishes footing subassembly (7) of being located the left and right sides below table (1), establishes inner tube (6) on footing subassembly (7) respectively, and the cover is established at outer tube (5) in the inner tube (6) outside, its characterized in that: the inner parts of the two inner pipes (6) are respectively provided with a screw rod (10), the inner sides of the two outer pipes (5) are respectively embedded with a vertical speed reducing motor (4), the screw rods (10) are sleeved on the speed reducing motors (4), and the speed reducing motors (4) drive the screw rods (10) to move up and down or lift up and down to lift the table top (1); the screw rod (10) is rotatably connected with a nut seat (12) and a nut (13), the nut (13) is covered in the nut seat (12) by a cover plate (11), and the screw rod (10) is locked by the nut seat (12) and the nut (13).
2. The dual-motor lifting table of claim 1, wherein: and a gap is arranged between the nut seat (12) and the nut (13) in the vertical height direction, the nut (13) is connected with the screw rod (10) in a sliding manner, and the screw rod (10) can be locked by ascending or descending.
3. The dual-motor lifting table of claim 1, wherein: one end of the screw rod (10) is provided with a polygonal sleeve which is sleeved on the speed reducing motor (4).
4. The dual-motor lifting table of claim 3, wherein: the polygon on the screw rod (10) is hexagonal.
5. The dual-motor lifting table of claim 1, wherein: the inner pipe (6) and the outer pipe (5) are made of aluminum alloy.
6. The dual-motor lifting table of claim 1, wherein: the outer side wall of the inner pipe (6) is provided with a plurality of friction plates (14).
7. The dual-motor lifting table of claim 6, wherein: the friction plate (14) is made of nylon.
8. The dual-motor lifting table of claim 1, wherein: a plurality of bottom foot pads (8) are arranged below the bottom foot component (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121642533.1U CN216147454U (en) | 2021-07-19 | 2021-07-19 | Lifting table with double motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121642533.1U CN216147454U (en) | 2021-07-19 | 2021-07-19 | Lifting table with double motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216147454U true CN216147454U (en) | 2022-04-01 |
Family
ID=80836569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121642533.1U Active CN216147454U (en) | 2021-07-19 | 2021-07-19 | Lifting table with double motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216147454U (en) |
-
2021
- 2021-07-19 CN CN202121642533.1U patent/CN216147454U/en active Active
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| GR01 | Patent grant |