CN212323912U - Axial tooth type clutch rotary lifting mechanism of electric dining table - Google Patents
Axial tooth type clutch rotary lifting mechanism of electric dining table Download PDFInfo
- Publication number
- CN212323912U CN212323912U CN202021241905.5U CN202021241905U CN212323912U CN 212323912 U CN212323912 U CN 212323912U CN 202021241905 U CN202021241905 U CN 202021241905U CN 212323912 U CN212323912 U CN 212323912U
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- China
- Prior art keywords
- fluted disc
- moving block
- positioning cylinder
- dining table
- disc
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of electric dining tables, in particular to an axial tooth type clutch rotary lifting mechanism of an electric dining table, which comprises a positioning cylinder, a movable block which is arranged on the positioning cylinder in a rotating and lifting way, and a driving piece which is used for driving the movable block; the clutch unit comprises a driving rod which is rotatably arranged relative to the positioning cylinder, a guide rod which is in sliding fit with the driving rod, a first fluted disc which is connected with the guide rod, and a second fluted disc which is meshed with the first fluted disc; the central axis of the first fluted disc and the central axis of the second fluted disc are arranged in a collinear way, the first fluted disc is provided with a plurality of first teeth, the second fluted disc is provided with a plurality of second teeth, and the first teeth and the second teeth are arranged in a staggered way; the moving block is connected with the second toothed disc; when the moving block moves to the maximum stroke, the first gear disc and the second gear disc of the clutch unit rotate relatively to realize separation, and at the moment, the driving piece idles and does not drive the moving block to move any more, so that the damage caused by excessive movement of the moving block is avoided, and the service life is prolonged.
Description
Technical Field
The utility model relates to an electric dining table technical field especially discloses a tooth-like separation and reunion rotary lifting mechanism of axial 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 deficiency that exist among the prior art, the utility model aims to provide a rotatory elevating system of tooth-like separation and reunion of axial of electronic dining table, when the movable block removes to the biggest stroke, the first fluted disc of clutch unit rotates relatively and realizes "separation" with the second fluted disc, and driving piece idle running this moment and no longer drive the movable block and remove, avoids the movable block to excessively remove and damages increase of service life.
In order to achieve the above object, the axial tooth type clutch rotary lifting mechanism of the electric dining table of the utility model comprises a positioning cylinder, a movable block which rotates and lifts and is arranged on the positioning cylinder, and a driving piece which is used for driving the movable block; the driving piece drives the moving block to rotate and lift relative to the positioning barrel through the clutch unit, and the moving block is used for being connected with an external table plate of the electric dining table; the clutch unit comprises a driving rod which is rotatably arranged relative to the positioning cylinder, a guide rod which is in sliding fit with the driving rod, a first fluted disc which is connected with the guide rod, a second fluted disc which is meshed with the first fluted disc, and an elastic piece which is used for driving the first fluted disc to be in contact with and meshed with the second fluted disc; the central axis of the first fluted disc and the central axis of the second fluted disc are arranged in a collinear way, the first fluted disc is provided with a plurality of first teeth which are arranged around the central axis of the first fluted disc, the second fluted disc is provided with a plurality of second teeth which are arranged around the central axis of the second fluted disc, and the first teeth and the second teeth are arranged in a staggered way; the moving block is connected with the second toothed disc.
The guide rod, the first fluted disc, the second fluted disc and the moving block are all located in the central hole, and the inner hole surface of the central hole is used for stopping and limiting the outer side surface of the first fluted disc and the outer side surface of the second fluted disc.
The guide rod, the first fluted disc, the second fluted disc, the moving block and the spring are packaged in the central hole of the positioning cylinder by the driving rod; the spring is sleeved outside the guide rod, and two ends of the spring respectively abut against the first fluted disc and the driving rod.
The positioning cylinder is provided with a spiral guide groove and a yielding groove, the spiral guide groove extends around the central axis of the positioning cylinder, the spiral guide groove extends along the direction of the central axis of the positioning cylinder, and the moving block is provided with a protruding part movably accommodated in the spiral guide groove; the abdicating groove penetrates through the side wall of the positioning barrel, and the moving block is connected with the table plate of the external electric dining table through the abdicating groove.
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 spiral guide groove is formed in the guide block.
The protruding portion comprises a strip body arranged on the moving block and two idler wheels respectively rotatably arranged at two ends of the strip body, the two idler wheels are respectively located at two sides of the moving block, the number of the spiral guide grooves is two, and the two idler wheels are respectively arranged in the two spiral guide grooves in a rolling mode.
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 second gear disc is provided with a noncircular hole, the moving block is provided with a noncircular portion inserted in the noncircular hole, and the inner hole surface of the noncircular hole is used for blocking and abutting against the noncircular portion.
The utility model has the advantages that: when the device is in actual use, the motor drives the driving rod to rotate, the rotating driving rod drives the guide rod to rotate and lift, the rotating lifting guide rod drives the first fluted disc to rotate and lift, the rotating lifting first fluted disc drives the second fluted disc to rotate and lift by means of tooth meshing force between the first fluted disc and the second fluted disc, and the rotating lifting second fluted disc drives the moving block to move; when the moving block moves to the maximum stroke, the first gear disc and the second gear disc of the clutch unit rotate relatively to realize separation, and at the moment, the driving piece idles and does not drive the moving block to move any more, so that the damage caused by excessive movement of the moving block is avoided, 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 structural diagram of the first fluted disc of the present invention.
The reference numerals include:
1-positioning cylinder 2-moving block 3-driving piece
4-driving rod 5-guiding rod 6-first fluted disc
7-second fluted disc 8-first tooth 9-central hole
11-spiral guide groove 12-abdication groove 13-projection
14-clamping groove 15-guide block 16-roller
17-non-circular hole 18-non-circular portion.
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 tooth type clutch rotary lifting mechanism for an electric dining table of the present invention includes a positioning cylinder 1, a moving block 2 rotatably and lifting on the positioning cylinder 1, and a driving member 3 for driving the moving block 2; the positioning cylinder 1 is approximately a hollow cylinder, the moving block 2 is positioned in the positioning cylinder 1, and the positioning cylinder 1 is used for protecting the moving block 2.
Still include the clutch unit, driving piece 3 removes via clutch unit drive movable block 2, and movable block 2 relative positioning section of thick bamboo 1 rotates and goes up and down, and movable block 2 is used for connecting the table of external electronic dining table, and movable block 2 can drive the table removal of electronic dining table when removing to realize the automatic adjustment of electronic dining table.
The clutch unit comprises a driving rod 4, a guide rod 5, a first fluted disc 6, a second fluted disc 7 and an elastic piece, wherein the driving rod 4 is rotatably arranged relative to the positioning cylinder 1, the guide rod 5 is in sliding fit with the driving rod 4, the first fluted disc 6 is connected with the guide rod 5, the second fluted disc 7 is meshed with the first fluted disc 6, the elastic piece is used for driving the first fluted disc 6 to be in contact with and meshed with the second fluted disc 7, the driving rod 4 is provided with a sliding hole, the guide rod 5 is slidably accommodated in the sliding hole, preferably, the sliding hole is a non-circular hole, the shape of the guide rod 5 is matched with the sliding hole, when the driving rod 4 rotates, the driving rod 4 and the guide rod 5 are prevented from rotating.
The central axis of the first toothed disc 6 is arranged in line with the central axis of the second toothed disc 7, the first toothed disc 6 has a plurality of first teeth 8, and the plurality of first teeth 8 are arranged in an annular array around the central axis of the first toothed disc 6. The second gear plate 7 is provided with a plurality of second teeth which are arranged in an annular array around the central axis of the second gear plate 7, and the first teeth 8 and the second teeth are arranged in a staggered manner; namely, one second tooth is arranged between any two adjacent first teeth 8, one first tooth 8 is arranged between any two adjacent second teeth, and the moving block 2 is connected with the second toothed disc 7.
During practical use, the motor drives the driving rod 4 to rotate, the rotating driving rod 4 drives the guide rod 5 to rotate and lift, the rotating and lifting guide rod 5 drives the first fluted disc 6 to rotate and lift, the rotating and lifting first fluted disc 6 drives the second fluted disc 7 to rotate and lift by means of tooth meshing force between the first fluted disc 6 and the second fluted disc 7, and the rotating and lifting second fluted disc 7 drives the moving block 2 to move. When the movable block 2 moves to the maximum stroke, along with the continuous rotation of the first fluted disc 6, the elastic part is stressed to generate elastic deformation, so that the first fluted disc 6 moves towards the direction away from the second fluted disc 7, and further the first teeth 8 of the first fluted disc 6 are disengaged from the second teeth of the second fluted disc 7, so that the first fluted disc 6 and the second fluted disc 7 can rotate relatively to realize separation, at the moment, the driving part idles and does not drive the movable block 2 to move, the damage caused by the excessive movement of the movable block 2 is avoided, and the service life is prolonged.
The positioning cylinder 1 is provided with a center hole 9, the center hole 9 extends along the central axis direction of the positioning cylinder 1, the guide rod 5, the first fluted disc 6, the second fluted disc 7 and the moving block 2 are all located in the center hole 9, and the inner hole surface of the center hole 9 is used for stopping and limiting the outer side surface of the first fluted disc 6 and the outer side surface of the second fluted disc 7. On one hand, the guide rod 5, the first toothed disc 6, the second toothed disc 7 and the moving block 2 are protected by the positioning cylinder 1 and are prevented from being damaged by collision. On the other hand, the first fluted disc 6 and the second fluted disc 7 are stopped and limited by the inner hole surface of the central hole 9, so that the two fluted discs are prevented from being staggered and disengaged.
In this embodiment, the elastic member is a spring, the spring is located in a central hole 9 of the positioning cylinder 1, and the driving rod 4 encapsulates the guide rod 5, the first toothed disc 6, the second toothed disc 7, the moving block 2 and the spring in the central hole 9 of the positioning cylinder 1; the spring is limited by the positioning barrel 1, so that the spring is prevented from moving back and forth. The spring is sleeved outside the guide rod 5, the guide rod 5 is used for limiting the spring, and the upper end and the lower end of the spring are respectively abutted against the first fluted disc 6 and the driving rod 4. Through the setting of spring, eliminate the spiral clearance between guide bar 5 and the locating lever on the one hand, can learn the displacement distance of movable block 2 through the number of turns of rotation of motor, ensure the stationarity and the accuracy that movable block 2 removed. On the other hand, the spring is ensured to always drive the first toothed disc 6 to be in interference engagement with the second toothed disc 7 under the action of elastic force.
The positioning barrel 1 is provided with a spiral guide groove 11 and a yielding groove 12, the spiral guide groove 11 extends around the central axis of the positioning barrel 1, the spiral guide groove 11 extends along the central axis of the positioning barrel 1, and the moving block 2 is provided with a protruding part 13 movably accommodated in the spiral guide groove 11. During the moving process of the moving block 2, the protruding part 13 is guided by the spiral guide groove 11 through the arrangement of the spiral guide groove 11, and the smooth moving of the moving block 2 is ensured.
The abdicating groove 12 penetrates through the side wall of the positioning barrel 1, and the moving block 2 is connected with the table plate of the external electric dining table through the abdicating groove 12. When the driving piece drives the moving block 2 to move through the clutch unit, the moving block 2 can drive the table plate to move together, and automatic adjustment of the electric dining table is realized.
The positioning cylinder 1 is provided with a clamping groove 14, a guide block 15 positioned in the clamping groove 14 is inserted into the positioning cylinder 1, and the spiral guide groove 11 is arranged on the guide block 15. In the installation process of the guide block 15 and the positioning cylinder 1, the guide block 15 is inserted into the clamping groove 14 of the positioning cylinder 1, a fixed installation structure is not required to be arranged between the guide block 15 and the positioning cylinder 1, the installation structure is simplified, and the installation and assembly efficiency is improved.
The guide block 15 is provided with a containing hole communicated with the spiral guide groove 11, and the moving block 2 is movably contained in the containing hole. The limiting moving block 2 is stopped by using the inner hole wall of the containing hole, so that the poor use caused by the back-and-forth swing of the moving block 2 is avoided, and the moving block 2 is ensured to rotate and lift at the same time.
The protruding portion 13 includes a strip body fixedly installed on the moving block 2, and two rollers 16 rotatably installed at two ends of the strip body, the rollers 16 are sleeved on the outer side of the strip body, the two rollers 16 are located on the left side and the right side of the moving block 2, and the two rollers 16 are separated by the moving block 2. The number of the spiral guide grooves 11 is two, and the two rollers 16 are respectively accommodated in the two spiral guide grooves 11 in a rolling manner. When the moving block 2 moves, the moving block 2 drives the roller 16 to roll in the spiral guide groove 11, so that abrasion and friction noise between the protruding part 13 and the positioning barrel 1 are reduced, smoothness of movement of the moving block 2 is ensured, and service lives of the moving block and the positioning barrel are prolonged.
The second fluted disc 7 is provided with a non-circular hole 17, the moving block 2 is provided with a non-circular part 18 inserted in the non-circular hole 17, and the inner hole surface of the non-circular hole 17 is used for blocking and abutting against the non-circular part 18. The installation and fixation structure is not required to be arranged between the second toothed disc 7 and the moving block 2, and the inner hole of the non-circular hole 17 is abutted against the stop of the non-circular part 18, so that the second toothed disc 7 and the moving block 2 are prevented from rotating relatively, and only the insertion fit is required between the second toothed disc 7 and the moving block, and the installation and assembly efficiency of the second toothed disc 7 and the moving block 2 is improved. Preferably, the non-circular portions 18 and the non-circular holes 17 are cross-shaped, and of course, the non-circular portions 18 and the non-circular holes 17 may be oval or rectangular according to actual needs.
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 (8)
1. An axial tooth type clutch rotary lifting mechanism of an electric dining table comprises a positioning cylinder, a moving block which rotates and is arranged on the positioning cylinder in a lifting way, and a driving piece which is used for driving the moving block; the method is characterized in that: the driving piece drives the moving block to rotate and lift relative to the positioning barrel through the clutch unit, and the moving block is used for being connected with an external table plate of the electric dining table; the clutch unit comprises a driving rod which is rotatably arranged relative to the positioning cylinder, a guide rod which is in sliding fit with the driving rod, a first fluted disc which is connected with the guide rod, a second fluted disc which is meshed with the first fluted disc, and an elastic piece which is used for driving the first fluted disc to be in contact with and meshed with the second fluted disc; the central axis of the first fluted disc and the central axis of the second fluted disc are arranged in a collinear way, the first fluted disc is provided with a plurality of first teeth which are arranged around the central axis of the first fluted disc, the second fluted disc is provided with a plurality of second teeth which are arranged around the central axis of the second fluted disc, and the first teeth and the second teeth are arranged in a staggered way; the moving block is connected with the second toothed disc.
2. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the positioning cylinder is provided with a central hole, the guide rod, the first fluted disc, the second fluted disc and the moving block are all positioned in the central hole, and the inner hole surface of the central hole is used for stopping and limiting the outer side surface of the first fluted disc and the outer side surface of the second fluted disc.
3. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 2, wherein: the elastic piece is a spring, the spring is positioned in a central hole of the positioning cylinder, and the guide rod, the first fluted disc, the second fluted disc, the moving block and the spring are packaged in the central hole of the positioning cylinder by the driving rod; the spring is sleeved outside the guide rod, and two ends of the spring respectively abut against the first fluted disc and the driving rod.
4. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the positioning cylinder is provided with a spiral guide groove and a yielding groove, the spiral guide groove extends around the central axis of the positioning cylinder, the spiral guide groove extends along the direction of the central axis of the positioning cylinder, and the moving block is provided with a protruding part movably accommodated in the spiral guide groove; the abdicating groove penetrates through the side wall of the positioning barrel, and the moving block is connected with the table plate of the external electric dining table through the abdicating groove.
5. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 4, 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 spiral guide groove is arranged on the guide block.
6. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 5, wherein: the protruding portion comprises a strip body arranged on the moving block and two idler wheels respectively rotatably arranged at two ends of the strip body, the two idler wheels are respectively located on two sides of the moving block, the number of the spiral guide grooves is two, and the two idler wheels are respectively arranged in the two spiral guide grooves in a rolling mode.
7. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 5, 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.
8. The axial tooth clutch rotary lifting mechanism of the electric dining table as claimed in claim 1, wherein: the second gear disc is provided with a noncircular hole, the moving block is provided with a noncircular portion inserted in the noncircular hole, and the inner hole surface of the noncircular hole is used for blocking and abutting against the noncircular portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241905.5U CN212323912U (en) | 2020-06-30 | 2020-06-30 | Axial tooth type clutch rotary lifting mechanism of electric dining table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241905.5U CN212323912U (en) | 2020-06-30 | 2020-06-30 | Axial tooth type clutch rotary lifting mechanism of electric dining table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323912U true CN212323912U (en) | 2021-01-08 |
Family
ID=74028159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021241905.5U Expired - Fee Related CN212323912U (en) | 2020-06-30 | 2020-06-30 | Axial tooth type clutch rotary lifting mechanism of electric dining table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323912U (en) |
-
2020
- 2020-06-30 CN CN202021241905.5U patent/CN212323912U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 Termination date: 20210630 |