CN212323905U - Axial sheet type clutch rotary lifting mechanism of electric dining table - Google Patents
Axial sheet type clutch rotary lifting mechanism of electric dining table Download PDFInfo
- Publication number
- CN212323905U CN212323905U CN202021239889.6U CN202021239889U CN212323905U CN 212323905 U CN212323905 U CN 212323905U CN 202021239889 U CN202021239889 U CN 202021239889U CN 212323905 U CN212323905 U CN 212323905U
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- moving block
- friction plate
- threaded
- dining table
- lifting mechanism
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Abstract
The utility model relates to the technical field of electric dining tables, in particular to an axial sheet type clutch rotary lifting mechanism of an electric dining table, which comprises a positioning cylinder, a movable block which is arranged in the positioning cylinder in a rotating and lifting way, and a motor which is used for driving the movable block to move, wherein the motor drives the movable block to move through a speed reducer; the clutch device comprises a speed reducer, a screw plate, a friction plate, a movable block, a positioning barrel, a spiral guide groove, a movable block and a protrusion part, wherein the speed reducer is provided with a rotating output shaft; when the moving block moves to the maximum stroke, the threaded disc of the clutch unit and the friction plate rotate relatively to realize separation, and at the moment, the motor idles and does not drive the moving block to move any more, so that the moving block is prevented from being excessively moved and damaged, and the service life is prolonged.
Description
Technical Field
The utility model relates to an electric dining table technical field especially discloses an axial piece formula separation and reunion rotary lifting mechanism of electric dining table.
Background
The dining table is one of the furniture commonly used of most families, and the desktop area of dining table commonly used is fixed unchangeable, and when the number of having dinner was more or less, this kind of dining table often can not satisfy the actual need of personnel of having dinner, from this, can change the electronic dining table of the desktop area size of dining table just can take place.
The change that can change the desktop area size of dining table among the prior art mainly relies on travel switch control desktop, when travel switch damages the back, often can lead to the desktop of dining table to excessively remove and damage, inconvenient use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide an axial piece formula separation and reunion rotary lifting mechanism of electric dining table, when the removal piece removes to the maximum stroke, clutch unit's screw disc and friction disc rotate relatively and realize "separation", and the motor idleness this moment and no longer drive the movable block and remove, avoid the movable block to excessively remove damage increase of service life.
In order to achieve the above object, the axial sheet type clutch rotary lifting mechanism of the electric dining table of the present invention comprises a positioning cylinder, a moving block rotating and lifting in the positioning cylinder, and a motor for driving the moving block to move, wherein the motor drives the moving block to move via a reducer; the clutch device is characterized by further comprising a clutch unit, the speed reducer is provided with a rotating output shaft, the clutch unit comprises a driving rod, a threaded disc and a friction plate, the driving rod is connected with the output shaft in a plugging mode, the threaded disc is in threaded connection with the driving rod, the friction plate is pressed and abutted against the threaded disc, a moving block is arranged on the friction plate, the positioning barrel is provided with a spiral guide groove, the moving block is arranged on the friction plate, and the moving block is provided with a protruding.
The output shaft is provided with a jack and a convex rib protruding into the jack, the driving rod is inserted into the jack, the driving rod is provided with a fastening groove used for accommodating the convex rib, and the inner groove wall of the fastening groove is used for stopping the abutting convex rib.
The driving rod comprises a stop disc and an inserting core connected with the stop disc, the inserting core is inserted into the inserting hole, the fastening groove is formed in the inserting core, and the end face of the free end of the output shaft is used for stopping and abutting against the stop disc; the quantity of fin, the quantity of catching groove are a plurality ofly, and a plurality of fins hold respectively and establish in a plurality of catching grooves, and a plurality of catching grooves are ring array around the central axis of lock pin.
The threaded plate comprises a threaded rod and a supporting plate connected with the threaded rod, and the outer diameter of the threaded rod is smaller than that of the supporting plate; the driving rod is provided with a threaded hole, the threaded hole extends along the direction of the central axis of the driving rod, and the threaded rod is in threaded connection with the threaded hole; the friction plate is pressed and abutted against the supporting disk.
The friction plate is pressed and abutted against the friction plate.
The protruding part comprises a strip body arranged on the moving block and two idler wheels respectively rotatably arranged at two ends of the strip body, and the two idler wheels are respectively positioned at the left side and the right side of the moving block; the number of the spiral guide grooves is two, and the two rollers are respectively accommodated in the two spiral guide grooves in a rolling manner.
The positioning cylinder is provided with a clamping groove, a guide block positioned in the clamping groove is inserted into the positioning cylinder, and the inner groove wall of the clamping groove is used for stopping and abutting against the guide block; the spiral guide groove is arranged on the guide block.
Wherein, the guide block is provided with an accommodating hole communicated with the spiral guide groove, and the movable block is movably accommodated in the accommodating hole.
The friction plate is provided with a cross hole, the moving block is provided with a cross plug, the cross plug is inserted into the cross hole, and the inner hole surface of the cross hole is used for blocking and abutting against the cross plug.
The utility model has the advantages that: when the friction plate lifting device is actually used, the motor drives the output shaft to rotate through the speed reducer, the rotating output shaft drives the driving rod to rotate, the rotating driving rod drives the threaded disc to rotate and lift, the moving threaded disc can drive the friction plate to rotate and lift by virtue of friction force between the threaded disc and the friction plate, and the moving block can be driven to rotate and lift together when the friction plate moves; when the moving block moves to the maximum stroke, the threaded disc of the clutch unit and the friction plate rotate relatively to realize separation, and at the moment, the motor idles and does not drive the moving block to move any more, so that the moving block is prevented from being excessively moved and damaged, and the service life is prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the output shaft and the driving rod of the present invention.
The reference numerals include:
1-positioning cylinder 2-moving block 3-motor
4-speed reducer 5-output shaft 6-driving rod
7-thread disc 8-friction plate 9-spiral guide groove
11-projection 12-jack 13-rib
14-catching groove 15-stopping disc 16-inserting core
17-threaded rod 18-supporting disk 19-friction plate
21-roller 22-clamping groove 23-guide block
24-cross hole 25-cross plug.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 3, an axial plate type clutch rotary lifting mechanism of an electric dining table of the present invention includes a positioning cylinder 1, a moving block 2 rotating and lifting in the positioning cylinder 1, and a motor 3 for driving the moving block 2 to move, wherein the motor 3 drives the moving block 2 to move via a reducer 4; the positioning cylinder 1 is a substantially hollow cylinder, and the rotation speed of the motor 3 is reduced through the arrangement of the speed reducer 4, so that the output torque of the motor 3 is increased, and the motor 3 can output a large enough driving force to drive the moving block 2 to move.
Still include the clutch unit, reduction gear 4 is equipped with pivoted output shaft 5, and the clutch unit includes the initiative pole 6 of pegging graft with output shaft 5, with the threaded disk 7 of initiative pole 6 threaded connection, press and hold the friction disc 8 of contradicting on threaded disk 7, and output shaft 5 and initiative pole 6 are pegged graft each other and are cooperated, need not to dispose complicated mounting structure between the two, promote the installation effectiveness or the dismantlement efficiency of output shaft 5 and initiative pole 6.
The moving block 2 is connected and arranged on the friction plate 8, the positioning barrel 1 is provided with a spiral guide groove 9, the moving block 2 is arranged on the friction plate 8, and the moving block 2 is provided with a protruding part 11 movably accommodated in the spiral guide groove 9; during the moving process of the moving block 2, the protrusion 11 is guided by the spiral guide groove 9, so that the moving block 2 is ensured to move in the right direction, and the moving block 2 is prevented from being inclined during the moving process.
During the in-service use, movable block 2 is connected on the table of external electric dining table, motor 3 drives output shaft 5 via the speed reducer and rotates, pivoted output shaft 5 drives the initiative pole 6 and rotates, pivoted initiative pole 6 drives threaded disc 7 and rotates and goes up and down, with the help of the frictional force between threaded disc 7 and the friction disc 8, the threaded disc 7 that removes can drive friction disc 8 and rotate and go up and down, can drive movable block 2 and rotate and go up and down together when friction disc 8 removes, the table of electric dining table can be driven to the movable block 2 that removes together, thereby realize the automatic adjustment to electric dining table.
When the moving block 2 moves to the maximum stroke, the threaded disc 7 and the friction plate 8 of the clutch unit rotate relatively to realize separation, at the moment, the motor 3 idles and does not drive the moving block 2 to move any more, the moving block 2 is prevented from being damaged by excessive movement, and the service life is prolonged.
The output shaft 5 is provided with a jack 12 and a convex rib 13 protruding into the jack 12, the jack 12 is formed by recessing the end face of the output shaft 5, the driving rod 6 is inserted into the jack 12, the driving rod 6 is provided with a catching groove 14 for accommodating the convex rib 13, and the inner groove wall of the catching groove 14 is used for stopping and abutting against the convex rib 13. When the motor 3 drives the reducer 4 to rotate the output shaft 5, the inner groove wall of the catching groove 14 is used for stopping and abutting the convex rib 13 to prevent the output shaft 5 and the convex rib 13 from rotating relatively, the rotating output shaft 5 can drive the driving rod 6 to rotate together, the connecting structure between the output shaft 5 and the driving rod 6 is simplified, and the mounting efficiency and the dismounting efficiency between the output shaft 5 and the driving rod 6 are improved.
The driving rod 6 comprises a stop disc 15 and an insertion core 16 connected with the stop disc 15, the insertion core 16 is inserted into the insertion hole 12, the fastening groove 14 is formed in the insertion core 16, and the end face of the free end of the output shaft 5 is used for stopping and abutting against the stop disc 15; in the process of inserting the driving rod 6 and the output shaft 5, the output shaft 5 is used for stopping and abutting the stopping disc 15, the driving rod 6 is prevented from being excessively inserted into the output shaft 5, and the installation efficiency and the installation accuracy of the driving rod 6 and the output shaft are improved.
The number of the convex ribs 13 and the number of the buckling grooves 14 are multiple, the convex ribs 13 are respectively accommodated in the buckling grooves 14, and the buckling grooves 14 are arranged in an annular array around the central axis of the ferrule 16. In this embodiment, the number of the protruding ribs 13 and the number of the catching grooves 14 are two. Through the arrangement and matching of the plurality of convex ribs 13 and the plurality of buckling grooves 14, the balance of the matching stress of the output shaft 5 and the driving rod 6 is ensured.
The threaded disc 7 comprises a threaded rod 17 and a supporting disc 18 connected with the threaded rod 17, and the outer diameter of the threaded rod 17 is smaller than that of the supporting disc 18; the threaded rod 17 is a substantially straight cylinder and the support plate 18 is a substantially circular plate. The driving rod 6 is provided with a threaded hole, the threaded hole extends along the direction of the central axis of the driving rod 6, and the threaded rod 17 is in threaded connection with the threaded hole; the friction lining 8 is pressed against the support disk 18. When the motor 3 drives the output shaft 5 of the speed reducer 4 to rotate, the rotating output shaft 5 can drive the driving rod 6 to rotate together, and the rotating driving rod 6 can drive the threaded rod 17 to rotate and lift by means of the threaded connection between the driving rod 6 and the threaded rod 17. By means of friction between the supporting disc 18 and the friction plate 8, the moving block 2 can be driven to rotate and lift by rotating the lifting supporting disc 18.
A friction plate 19 is detachably connected to the support disc 18, the friction plate 19 is located between the support disc 18 and the friction plate 8, and the friction plate 8 is pressed and abutted against the friction plate 19. After the moving block 2 moves to the maximum stroke, the friction plate 19 and the friction plate 8 rotate relatively, so that the bad use caused by excessive movement of the moving block 2 is avoided. When the friction plate 19 or the friction plate 8 is seriously worn and can not be used, the new friction plate 19 or the new friction plate 8 can be replaced for reuse.
The protruding part 11 comprises a strip body fixedly arranged on the moving block 2 and two idler wheels 21 respectively rotatably arranged at two ends of the strip body, the strip body penetrates through the moving block 2, and the two idler wheels 21 are respectively positioned at the left side and the right side of the moving block 2; the number of the spiral guide grooves 9 is two, and the two rollers 21 are respectively accommodated in the two spiral guide grooves 9 in a rolling manner.
When the moving block 2 moves, the rollers 21 roll in the spiral guide grooves 9, so that abrasion and friction noise between the protruding parts 11 and the positioning cylinder 1 are reduced, smoothness of movement of the moving block 2 is ensured, and service lives of the moving block and the positioning cylinder are prolonged. Preferably, the number of the rollers 21 is two, two rollers 21 are rotatably disposed at the left and right ends of the strip body, two rollers 21 are disposed at the left and right sides of the moving block 2, and similarly, the number of the spiral guide grooves 9 is two, and two rollers 21 are rotatably received in the spiral guide grooves 9.
A clamping groove 22 is formed in the positioning cylinder 1, a guide block 23 positioned in the clamping groove 22 is inserted into the positioning cylinder 1, and the inner groove wall of the clamping groove 22 is used for stopping and abutting against the guide block 23; the spiral guide groove 9 is provided on the guide block 23. In the installation process of the guide block 23 and the positioning cylinder 1, the guide block 23 is inserted into the clamping groove 22 of the positioning cylinder 1, a fixed installation structure is not required to be arranged between the guide block 23 and the positioning cylinder 1, the installation structure is simplified, and the installation and assembly efficiency is improved.
The guide block 23 is provided with a containing hole communicated with the spiral guide groove 9, and the moving block 2 is movably contained in the containing hole. The guide block 23 is limited by the inner hole wall of the containing hole, so that the guide block 23 is prevented from excessively moving and being badly used.
The friction plate 8 is provided with a cross hole 24, the moving block 2 is provided with a cross plug 25, the cross plug 25 is inserted into the cross hole 24, and the inner hole surface of the cross hole 24 is used for blocking and abutting against the cross plug 25. The friction plate 8 and the moving block 2 do not need to be provided with an installation fixing structure, relative rotation between the friction plate 8 and the moving block 2 is avoided, the friction plate and the moving block only need to be matched in a plugging mode, and installation and assembly efficiency of the friction plate and the moving block is improved.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. An axial sheet type clutch rotary lifting mechanism of an electric dining table comprises a positioning barrel, a moving block which rotates and is arranged in the positioning barrel in a lifting mode, and a motor used for driving the moving block to move, wherein the motor drives the moving block to move through a speed reducer; the method is characterized in that: the clutch device is characterized by further comprising a clutch unit, the speed reducer is provided with a rotating output shaft, the clutch unit comprises a driving rod, a threaded disc and a friction plate, the driving rod is connected with the output shaft in a threaded mode, the friction plate is pressed and supported to abut against the threaded disc, a moving block is arranged on the friction plate, the positioning barrel is provided with a spiral guide groove, and the moving block is provided with a protruding portion, wherein the protruding portion is movably accommodated in the spiral guide groove.
2. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the output shaft is provided with a jack and a convex rib protruding into the jack, the driving rod is inserted into the jack, the driving rod is provided with a fastening groove used for accommodating the convex rib, and the inner groove wall of the fastening groove is used for stopping the abutting convex rib.
3. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 2, wherein: the driving rod comprises a stop disc and an insertion core connected with the stop disc, the insertion core is inserted into the insertion hole, the fastening groove is arranged on the insertion core, and the end face of the free end of the output shaft is used for stopping and abutting against the stop disc; the quantity of fin, the quantity of catching groove are a plurality ofly, and a plurality of fins hold respectively and establish in a plurality of catching grooves, and a plurality of catching grooves are ring array around the central axis of lock pin.
4. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the threaded plate comprises a threaded rod and a supporting plate connected with the threaded rod, and the outer diameter of the threaded rod is smaller than that of the supporting plate; the driving rod is provided with a threaded hole, the threaded hole extends along the direction of the central axis of the driving rod, and the threaded rod is in threaded connection with the threaded hole; the friction plate is pressed and abutted against the supporting disk.
5. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 4, wherein: the supporting disk is detachably connected with a friction plate, the friction plate is positioned between the supporting disk and the friction plate, and the friction plate is pressed and abutted against the friction plate.
6. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the protruding part comprises a strip body arranged on the moving block and two idler wheels respectively rotatably arranged at two ends of the strip body, and the two idler wheels are respectively positioned at the left side and the right side of the moving block; the number of the spiral guide grooves is two, and the two rollers are respectively accommodated in the two spiral guide grooves in a rolling manner.
7. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 6, wherein: the positioning cylinder is provided with a clamping groove, a guide block positioned in the clamping groove is inserted into the positioning cylinder, and the inner groove wall of the clamping groove is used for stopping and abutting against the guide block; the spiral guide groove is arranged on the guide block.
8. The axial plate clutch rotary lifting mechanism of an electric dining table as claimed in claim 7, wherein: the guide block is provided with an accommodating hole communicated with the spiral guide groove, and the moving block is movably accommodated in the accommodating hole.
9. The axial plate clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the friction plate is provided with a cross hole, the moving block is provided with a cross plug, the cross plug is inserted in the cross hole, and the inner hole surface of the cross hole is used for blocking and abutting against the cross plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239889.6U CN212323905U (en) | 2020-06-30 | 2020-06-30 | Axial sheet type clutch rotary lifting mechanism of electric dining table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239889.6U CN212323905U (en) | 2020-06-30 | 2020-06-30 | Axial sheet type clutch rotary lifting mechanism of electric dining table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323905U true CN212323905U (en) | 2021-01-08 |
Family
ID=74028176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021239889.6U Expired - Fee Related CN212323905U (en) | 2020-06-30 | 2020-06-30 | Axial sheet type clutch rotary lifting mechanism of electric dining table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323905U (en) |
-
2020
- 2020-06-30 CN CN202021239889.6U patent/CN212323905U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 Termination date: 20210630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |