CN215303755U - Driving mechanism for lifting table - Google Patents
Driving mechanism for lifting table Download PDFInfo
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- CN215303755U CN215303755U CN202121353121.6U CN202121353121U CN215303755U CN 215303755 U CN215303755 U CN 215303755U CN 202121353121 U CN202121353121 U CN 202121353121U CN 215303755 U CN215303755 U CN 215303755U
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- bevel gear
- leg
- transmission rod
- cavity
- movable leg
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Abstract
The utility model discloses a lifting table driving mechanism which comprises a table top plate, table leg assemblies and a driving assembly, wherein two rotating frames are arranged at the bottom of the table top plate at intervals, each rotating frame is provided with a first pivot shaft, and each first pivot shaft is provided with a first bevel gear; the table leg assembly comprises a fixed leg and a movable leg, and the first pivoting shaft is rotatably arranged at the top of the movable leg; the driving component is linked with the movable leg to move or the first pivoting shaft to rotate. The rotating frame is arranged at the bottom of the desktop plate, and the first pivoting shaft of the rotating frame is rotatably arranged on the movable leg, so that the angle of the desktop plate can be adjusted, a user can adjust the angle to a comfortable angle by himself, and the requirements and the comfort level of work and study at ordinary times are met; meanwhile, the angle or height of the desktop plate can be adjusted more conveniently by adopting an electric adjusting mode, time and labor are saved, and the convenience is further improved.
Description
Technical Field
The utility model relates to the technical field of lifting tables, in particular to a driving mechanism of a lifting table.
Background
The desk is indoor furniture for work and study, and with the development of society, people have higher and higher requirements on the desk, and the desks in the prior art cannot meet the use requirements of people. Most of existing desks cannot adjust the angle, the desktop plates of the desks are generally parallel to the ground, books or notebook computers and the like placed on the desktop plates are also parallel to the desktop plates, the desktop plates cannot adjust the angle, users cannot adjust the desktop plates to an angle which can enable the users to feel comfortable, and requirements of working and learning at ordinary times, comfort and convenience cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a driving mechanism for a lifting desk, which can effectively solve the problem that the angle of a desk top cannot be adjusted in the conventional desk.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a driving mechanism of a lifting table comprises
The table top board is provided with two rotating frames at the bottom of the table top board at intervals, the rotating frames are provided with first pivoting shafts, and the first pivoting shafts are provided with first bevel gears;
the two table leg assemblies comprise fixed legs, movable legs and second pivot shafts, and the first pivot shafts are rotatably arranged at the tops of the movable legs; the fixed leg is provided with a first screw hole, the movable leg is provided with a first screw rod, and the first screw rod is inserted into the first screw hole; the second pivoting shaft is rotatably arranged on the movable leg and connected with the first screw rod, a second bevel gear is arranged on the second pivoting shaft, and the first bevel gear and the second bevel gear are arranged at an interval from top to bottom;
the driving assembly comprises a first motor, a first shaft sleeve, a first transmission rod and a switching knob, wherein one end of the first shaft sleeve is connected with the output end of the first motor, one end of the first transmission rod is inserted into the other end of the first shaft sleeve, and the other end of the first transmission rod is connected with the switching knob; the first transmission rod is provided with a third bevel gear and a fourth bevel gear, and the first transmission rod can be selectively acted to move up and down when the switching knob is rotated, so that the third bevel gear is meshed with the first bevel gear or the fourth bevel gear is meshed with the second bevel gear.
As a preferred embodiment: the switching knob is circularly arranged and is provided with a main body part and a connecting part;
the main body part is rotatably arranged on the desktop plate, the connecting part is arranged at the bottom of the main body part, and the other end of the first transmission rod is abutted against the bottom of the connecting part.
As a preferred embodiment: the bottom of the main body part is provided with a first cavity with a downward opening, the top of the first cavity is provided with a first step surface and a second step surface along the circumferential direction of the first cavity, and the second step surface is lower than the first step surface;
the connecting part is arranged in the first cavity, and a convex point is arranged at the top of the connecting part;
when the main body part is rotated, the salient points can selectively abut against the first step surface or the second step surface so as to enable the connecting part to move up and down.
As a preferred embodiment: the first shaft sleeve is provided with a limiting through groove along the axial direction of the first shaft sleeve, the output end of the first motor and one end of the first transmission rod are both provided with a limiting shaft, and the limiting shaft is limited in the limiting through groove.
As a preferred embodiment: a spring is installed in the first shaft sleeve, one end of the spring is abutted to the output end of the first motor, and the other end of the spring is abutted to the first transmission rod.
As a preferred embodiment: the fixing legs are provided with first mounting cavities, the first mounting cavities penetrate through the tops of the first mounting cavities to form first windows, and the first screw holes are formed in the first mounting cavities and extend towards one ends of the first windows;
the movable leg is provided with a second mounting cavity which penetrates through the bottom of the movable leg to form a second window, and the first screw rod is arranged in the second mounting cavity and extends towards one end of the second window;
the size of the movable leg is smaller than that of the first mounting cavity, and the movable leg is inserted into the first mounting cavity.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the rotating frame is arranged at the bottom of the desktop plate, and the first pivoting shaft of the rotating frame is rotatably arranged on the movable leg, so that the angle of the desktop plate can be adjusted, a user can adjust the angle to a comfortable angle by himself, and the requirements and the comfort level of work and study at ordinary times are met;
meanwhile, the first transmission rod which moves up and down is arranged, when the switching knob is rotated, the first motor can be flexibly switched to drive the first pivoting shaft or the second pivoting shaft, so that the effect of adjusting the angle or the height of the table panel is realized, the angle or the height of the table panel can be more conveniently adjusted by adopting an electric adjusting mode, time and labor are saved, and the convenience is further improved;
in addition, two adjusting modes are realized by using one power source, so that on one hand, the integral structure of the lifting table can be simplified, the later-stage installation is convenient, and the manufacturing cost is reduced; on the other hand, the power consumption of the lifting table can be reduced, and energy is saved.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a front view of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
fig. 4 is an enlarged view of the layout at fig. 2B.
The attached drawings indicate the following:
10. table top board
11. Rotating frame 12 and first pivot shaft
121. First bevel gear
20. Table leg assembly
21. Fixed leg 2101, first installation cavity
211. First screw hole 22 and movable leg
2201. Second installation cavity 221 and first screw
23. Second pivot shaft 231, second bevel gear
30. Drive assembly
31. First motor 311 and limiting shaft
32. First bushing 33, first transfer line
331. Third bevel gear 332, fourth bevel gear
34. Switch knob 341 and main body unit
3411. First cavity 3412 and first step surface
3413. Second step surface 342, connecting portion
3421. And (4) bumps.
Detailed Description
Referring to fig. 1 to 4, there is shown a detailed structure of a preferred embodiment of the present invention, which is a driving mechanism for a lifting table, comprising a table top 10, a leg assembly 20 and a driving assembly 30.
In the embodiment of the present application, two rotating frames 11 are spaced apart from each other on the table top 10, the rotating frames are provided with a first pivot shaft 12, and a first bevel gear 121 is disposed on the first pivot shaft 12; the first pivot 12 is pivotally connected to the leg assembly 20, and the angle of the table top 10 can be adjusted by rotating the first pivot 12. After adjustment, a locking member (not shown) is disposed against the surface of the rotating frame to generate a locking force, thereby securing the table top 10 at a desired angle.
The two table leg assemblies 20 are arranged at a left-right interval, each table leg assembly 20 comprises a fixed leg 21, a movable leg 22 and a second pivot shaft 23, and the first pivot shaft 12 is rotatably arranged at the top of the movable leg 22; the fixed leg 21 is provided with a first screw hole 211, the movable leg 22 is provided with a first screw rod 221, and the first screw rod 221 is inserted into the first screw hole 211; the second pivot shaft 23 is rotatably mounted on the movable leg 22 and connected to the first screw 211, the second pivot shaft 23 is provided with a second bevel gear 231, and the first bevel gear 121 and the second bevel gear 231 are arranged at an upper and lower interval. Specifically, the fixed leg is provided with a first mounting cavity 2101, the first mounting cavity 2101 penetrates through the top of the first mounting cavity 2101 to form a first window, and the first screw hole 211 is arranged in the first mounting cavity 2101 and extends towards one end of the first window; the movable leg 22 is provided with a second mounting cavity 2201, the second mounting cavity 2201 penetrates through the bottom of the second mounting cavity to form a second window, and the first screw 221 is arranged in the second mounting cavity 2201 and extends towards one end of the second window; the size of the movable leg 22 is smaller than that of the first installation cavity 2201, the movable leg 22 is inserted into the first installation cavity 2201, and when the first screw rod 221 is rotated, the movable leg 22 can be driven to move up and down in the first installation cavity 2201. Preferably, the two ends of the second pivot shaft 23 are connected with the first screws of the two movable legs arranged at a distance from each other by using a gear box.
The driving assembly 30 comprises a first motor 31, a first shaft sleeve 32, a first transmission rod 33 and a switching knob 34, wherein one end of the first shaft sleeve 32 is connected with the output end of the first motor 31, one end of the first transmission rod 33 is inserted into the other end of the first shaft sleeve 32, and the other end of the first transmission rod 33 is connected with the switching knob 34; the first driving rod 33 is provided with a third bevel gear 331 and a fourth bevel gear 332, and the first driving rod 33 can be selectively moved up and down when the switching knob is rotated, so that the third bevel gear 331 is in gear engagement with the first bevel gear 121 or the fourth bevel gear 332 is in gear engagement with the second bevel gear 231.
The switching knob 34 is provided in a circular shape, and has a main body portion 341 and a connecting portion 342; the main body 341 is rotatably mounted on the table top 10, the connecting portion 342 is mounted at the bottom of the main body 341, the main body 341 and the connecting portion 342 are rotatably disposed therebetween, and the other end of the first transmission rod 33 abuts against the bottom of the connecting portion 342.
As mentioned above, the bottom of the main body 341 is provided with a first cavity 3411 with a downward opening, the top of the first cavity 3411 is provided with a first step surface 3412 and a second step surface 3413 along the circumferential direction, and the second step surface 3413 is lower than the first step surface 3412; the connecting portion 342 is mounted in the first cavity 3411, and a protruding point 3421 is disposed at the top of the connecting portion 342; when the main body part is rotated, the salient points can selectively abut against the first step surface or the second step surface so as to enable the connecting part to move up and down.
The first shaft sleeve 32 is provided with a limiting through groove 321 along the axial direction thereof, the output end of the first motor 31 and one end of the first transmission rod 33 are both provided with a limiting shaft 311, and the limiting shaft 311 is limited in the limiting through groove 321. A spring 321 is installed in the first shaft sleeve 32, one end of the spring 321 abuts against the output end of the first motor, and the other end abuts against the first transmission rod 33.
The design of the utility model is characterized in that:
the rotating frame is arranged at the bottom of the desktop plate, and the first pivoting shaft of the rotating frame is rotatably arranged on the movable leg, so that the angle of the desktop plate can be adjusted, a user can adjust the angle to a comfortable angle by himself, and the requirements and the comfort level of work and study at ordinary times are met;
meanwhile, the first transmission rod which moves up and down is arranged, when the switching knob is rotated, the first motor can be flexibly switched to drive the first pivoting shaft or the second pivoting shaft, so that the effect of adjusting the angle or the height of the table panel is realized, the angle or the height of the table panel can be more conveniently adjusted by adopting an electric adjusting mode, time and labor are saved, and the convenience is further improved;
in addition, two adjusting modes are realized by using one power source, so that on one hand, the integral structure of the lifting table can be simplified, the later-stage installation is convenient, and the manufacturing cost is reduced; on the other hand, the power consumption of the lifting table can be reduced, and energy is saved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (6)
1. A lifting table driving mechanism is characterized in that: comprises that
The table top board is provided with two rotating frames at the bottom of the table top board at intervals, the rotating frames are provided with first pivoting shafts, and the first pivoting shafts are provided with first bevel gears;
the two table leg assemblies comprise fixed legs, movable legs and second pivot shafts, and the first pivot shafts are rotatably arranged at the tops of the movable legs; the fixed leg is provided with a first screw hole, the movable leg is provided with a first screw rod, and the first screw rod is inserted into the first screw hole; the second pivoting shaft is rotatably arranged on the movable leg and connected with the first screw rod, a second bevel gear is arranged on the second pivoting shaft, and the first bevel gear and the second bevel gear are arranged at an interval from top to bottom;
the driving assembly comprises a first motor, a first shaft sleeve, a first transmission rod and a switching knob, wherein one end of the first shaft sleeve is connected with the output end of the first motor, one end of the first transmission rod is inserted into the other end of the first shaft sleeve, and the other end of the first transmission rod is connected with the switching knob; the first transmission rod is provided with a third bevel gear and a fourth bevel gear, and the first transmission rod can be selectively acted to move up and down when the switching knob is rotated, so that the third bevel gear is meshed with the first bevel gear or the fourth bevel gear is meshed with the second bevel gear.
2. A lift table drive mechanism as claimed in claim 1, wherein: the switching knob is circularly arranged and is provided with a main body part and a connecting part;
the main body part is rotatably arranged on the desktop plate, the connecting part is arranged at the bottom of the main body part, and the other end of the first transmission rod is abutted against the bottom of the connecting part.
3. A lift table drive mechanism as set forth in claim 2, wherein: the bottom of the main body part is provided with a first cavity with a downward opening, the top of the first cavity is provided with a first step surface and a second step surface along the circumferential direction of the first cavity, and the second step surface is lower than the first step surface;
the connecting part is arranged in the first cavity, and a convex point is arranged at the top of the connecting part;
when the main body part is rotated, the salient points can selectively abut against the first step surface or the second step surface so as to enable the connecting part to move up and down.
4. A lift table drive mechanism as claimed in claim 1, wherein: the first shaft sleeve is provided with a limiting through groove along the axial direction of the first shaft sleeve, the output end of the first motor and one end of the first transmission rod are both provided with a limiting shaft, and the limiting shaft is limited in the limiting through groove.
5. A lift table drive mechanism as set forth in claim 4, wherein: a spring is installed in the first shaft sleeve, one end of the spring is abutted to the output end of the first motor, and the other end of the spring is abutted to the first transmission rod.
6. A lift table drive mechanism as claimed in claim 1, wherein: the fixing legs are provided with first mounting cavities, the first mounting cavities penetrate through the tops of the first mounting cavities to form first windows, and the first screw holes are formed in the first mounting cavities and extend towards one ends of the first windows;
the movable leg is provided with a second mounting cavity which penetrates through the bottom of the movable leg to form a second window, and the first screw rod is arranged in the second mounting cavity and extends towards one end of the second window;
the size of the movable leg is smaller than that of the first mounting cavity, and the movable leg is inserted into the first mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353121.6U CN215303755U (en) | 2021-06-18 | 2021-06-18 | Driving mechanism for lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353121.6U CN215303755U (en) | 2021-06-18 | 2021-06-18 | Driving mechanism for lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215303755U true CN215303755U (en) | 2021-12-28 |
Family
ID=79558893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353121.6U Active CN215303755U (en) | 2021-06-18 | 2021-06-18 | Driving mechanism for lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215303755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088938A (en) * | 2022-06-30 | 2022-09-23 | 乐歌人体工学科技股份有限公司 | Folding lifting table capable of being driven in switching mode |
-
2021
- 2021-06-18 CN CN202121353121.6U patent/CN215303755U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088938A (en) * | 2022-06-30 | 2022-09-23 | 乐歌人体工学科技股份有限公司 | Folding lifting table capable of being driven in switching mode |
| CN115088938B (en) * | 2022-06-30 | 2023-12-29 | 乐歌人体工学科技股份有限公司 | Folding lifting table capable of being driven in switching mode |
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