CN220727006U - Worm transmission device for heating table and bottom plate lifting heating table - Google Patents
Worm transmission device for heating table and bottom plate lifting heating table Download PDFInfo
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- CN220727006U CN220727006U CN202322542230.8U CN202322542230U CN220727006U CN 220727006 U CN220727006 U CN 220727006U CN 202322542230 U CN202322542230 U CN 202322542230U CN 220727006 U CN220727006 U CN 220727006U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 154
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a worm transmission device for a heating table and a bottom plate lifting heating table, wherein the worm transmission device for the heating table comprises a shell, a driving part in transmission connection with a power output part, a first driven part and a second driven part; a first transmission structure consisting of a plurality of first helical teeth is arranged on the arc surface of the outer side wall of the driving part; a second transmission structure consisting of a plurality of second helical teeth is arranged on the arc surface of the outer side wall of the first driven part; a third transmission structure formed by a plurality of third bevel gears is arranged on the arc surface of the outer side wall of the second driven part, the first transmission structure is in transmission connection with the second transmission structure, and the second transmission structure is in transmission connection with the third transmission structure; the central axis E1 of the first transmission structure, the central point E4 of the second transmission structure and the central axis E3 of the third transmission structure are respectively on the same plane. The worm driving device for the heating table has the advantages of low energy consumption and small whole volume due to large torsion.
Description
Technical Field
The utility model relates to a transmission device, in particular to a worm transmission device for a heating table and a heating table with a lifting bottom plate.
Background
In a heating table with a liftable bottom plate, a lifting assembly is generally arranged to drive the bottom plate to realize lifting adjustment; in the lifting assembly, a transmission device is an important device for kinetic energy transmission; the existing transmission devices are all driven by bevel gears, the torque force of the transmission structure is small, so that the motor load is large, the energy consumption is high, and the meshing structure between the bevel gears occupies a large space; chinese patent document CN219082191U discloses a gear drive mechanism of a lifting table, specifically discloses: the transmission gear box comprises an upper gear box cover, an upper bearing, a transmission nut, a side bearing, a lifting nut, a lower bearing and a lower gear box cover, wherein the upper gear box cover is arranged above the lifting nut, the lower gear box cover is arranged below the lifting nut, the lifting nut is meshed with the transmission nut, the upper bearing is arranged between the upper gear box cover and the lifting nut, the lower bearing is arranged between the lifting nut and the lower gear box cover, and the side bearing is arranged between the lifting nut and the transmission nut. The patent document discloses a bevel gear transmission structure, in practical application, the gear transmission device has high energy consumption and larger whole volume because of small torsion force, and is not beneficial to the design of a heating table.
Accordingly, there is a need for further improvements to existing transmissions.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a worm transmission device for a heating table and a bottom plate lifting heating table.
The purpose of the utility model is realized in the following way:
a worm drive device for a heating table comprises a shell, a driving part, a first driven part and a second driven part, wherein the driving part is in transmission connection with a power output part; a first transmission structure consisting of a plurality of first helical teeth is arranged on the arc surface of the outer side wall of the driving part; a second transmission structure consisting of a plurality of second helical teeth is arranged on the arc surface of the outer side wall of the first driven part; a third transmission structure formed by a plurality of third bevel gears is arranged on the arc surface of the outer side wall of the second driven part, the first transmission structure is in transmission connection with the second transmission structure, and the second transmission structure is in transmission connection with the third transmission structure; the central axis E1 of the first transmission structure, the central point E4 of the second transmission structure and the central axis E3 of the third transmission structure are respectively on the same plane.
As a further specific scheme: the central axis E1 of the first transmission structure is vertically matched with the central axis E2 of the second transmission structure.
As a further specific scheme: the central shaft E2 of the second transmission structure is vertically matched with the central shaft E3 of the third transmission structure; the first driven part is provided with a transmission screw hole.
As a further specific scheme: the first transmission structure is rotatably arranged in the shell; the power input end of one end of the driving part is exposed out of the shell, and the first supporting end of the other end of the driving part is rotationally connected with the shell.
As a further specific scheme: the power input end is provided with a first bearing, the shell is provided with a first slot position and a first shaft hole, the first bearing is assembled on the first slot position in a positioning way, and the first support end is rotationally inserted into the first shaft hole.
As a further specific scheme: the second transmission structure is rotatably arranged in the shell; the two ends of the first driven part are respectively connected with the shell in a rotating way.
As a further specific scheme: the upper end and the lower end of the first driven part are respectively provided with a second bearing, the upper side and the lower side of the shell are respectively provided with a second groove, and the second bearings are positioned and assembled on the corresponding second grooves.
As a further specific scheme: the third transmission structure is rotatably arranged in the shell; the power output end of the second driven part is exposed out of the shell, and the second supporting end of the second driven part is rotationally connected with the shell.
As a further specific scheme: the power output end is provided with a third bearing, the shell is provided with a third slot position and a second shaft hole, the third bearing is assembled on the third slot position in a positioning way, and the second support end is rotationally inserted into the second shaft hole.
A heating table with a lifting bottom plate comprises a tabletop, table legs and a bottom plate, wherein the bottom plate can be lifted relative to the tabletop and the table legs, and a lifting assembly for driving the bottom plate to lift and adjust is arranged on the bottom plate; the lifting assembly comprises the worm transmission device for the heating table and a power output part; the output end of the power output part is in transmission connection with the driving part; the table leg is fixedly provided with a driving screw rod which is in threaded connection with a driving screw hole on the first driven component.
The beneficial effects of the utility model are as follows:
in the transmission device, a first transmission structure consisting of a plurality of first helical teeth is arranged on an arc surface of the outer side wall of a driving part; a second transmission structure consisting of a plurality of second helical teeth is arranged on the arc surface of the outer side wall of the first driven part; a third transmission structure consisting of a plurality of third bevel gears is arranged on the arc surface of the outer side wall of the second driven part; the first transmission structure is in transmission connection with the second transmission structure, and the second transmission structure is in transmission connection with the third transmission structure; the central shaft of the first transmission structure, the central point of the second transmission structure and the central shaft of the third transmission structure are respectively on the same plane. In the transmission device, the transmission structures transmit kinetic energy in a mode of meshing the helical teeth with the helical teeth, and the torque force of the transmission mode is larger, so that the load of a motor is smaller and the energy consumption is smaller on the premise of outputting equivalent kinetic energy; in addition, each transmission structure can be concentrated on the same plane, the vertical occupied space is small, the whole volume of the transmission device is small, and the minimum design of the heating table is facilitated; in addition, the transmission device has simple structure, convenient installation and lower manufacturing cost.
Drawings
Fig. 1 is an exploded view of a worm drive in accordance with an embodiment of the present utility model.
Fig. 2 is a schematic view of the worm drive with the upper housing removed in accordance with an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a combination of a driving member, a first driven member and a second driven member according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of an active component according to an embodiment of the utility model.
Fig. 5 is a schematic structural view of a first driven member according to an embodiment of the present utility model.
Fig. 6 is a schematic view of a floor lifting heating table according to an embodiment of the utility model.
Figure 7 is a partially exploded view of a floor lifting heating table in accordance with one embodiment of the present utility model.
Fig. 8 is a combination view of a worm drive (with the upper housing removed) and a drive screw in accordance with an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1 to 5, the worm drive for a heating table according to the present embodiment includes a housing, a driving member 5 drivingly connected to a power output member D1, a first driven member 3, and a second driven member 8; a first transmission structure 501 formed by a plurality of first helical teeth 5011 is arranged on the arc surface of the outer side wall of the driving part 5, and the first helical teeth 5011 specifically extend spirally around the axis of the driving part 5; the arc surface of the outer side wall of the first driven part 3 is provided with a second transmission structure 301 consisting of a plurality of second helical teeth 3011, and the second helical teeth 3011 specifically extend spirally around the axis of the first driven part 3; a third transmission structure 801 formed by a plurality of third inclined teeth 8011 is arranged on the arc surface of the outer side wall of the second driven part 8, and the third inclined teeth 8011 specifically extend spirally around the axis of the second driven part 8; the first transmission structure 501 is in transmission connection (engagement connection) with the second transmission structure 301, and the second transmission structure 301 is in transmission connection (engagement connection) with the third transmission structure 801; the central axis E1 of the first transmission structure 501, the central point E4 of the second transmission structure 301 (the central point E4 is specifically a point where the central transverse plane, the central vertical plane and the central longitudinal plane of the second transmission structure 301 meet together), and the central axis E3 of the third transmission structure 801 are respectively on the same plane.
In the worm transmission device D2, a first transmission structure 501 formed by a plurality of first helical teeth 5011 is arranged on an arc surface of the outer side wall of the driving part 5; a second transmission structure 301 consisting of a plurality of second helical teeth 3011 is arranged on the arc surface of the outer side wall of the first driven part 3; a third transmission structure 801 formed by a plurality of third inclined teeth 8011 is arranged on the arc surface of the outer side wall of the second driven part 8; the first transmission structure 501 is in transmission connection with the second transmission structure 301, and the second transmission structure 301 is in transmission connection with the third transmission structure 801; the central axis E1 of the first transmission structure 501, the central point E4 of the second transmission structure 301, and the central axis E3 of the third transmission structure 801 are respectively on the same plane. In the transmission device D2, the transmission structures transmit kinetic energy in a mode of meshing the helical teeth and the helical teeth, and the torque force of the transmission mode is large, so that the load of the power output part D1 is small and the energy consumption is small on the premise of outputting equivalent kinetic energy; in addition, each transmission structure can be concentrated on the same plane, the vertical occupied space is small, the whole volume of the transmission device is small, and the minimum design of the heating table is facilitated; in addition, the transmission device has simple structure, convenient installation and lower manufacturing cost.
Further, the central axis E1 of the first transmission structure 501 is vertically matched with the central axis E2 of the second transmission structure 301. The central axis E2 of the second transmission structure 301 is vertically matched with the central axis E3 of the third transmission structure 801; the first driven member 3 is provided inside with a drive screw hole 302 extending along the center axis E2.
Further, the first transmission structure 501 is rotatably disposed in the housing; the power input end 502 at one end of the driving part 5 is exposed out of the shell so as to be in transmission connection with the power output part D1, the first supporting end 503 at the other end of the driving part 5 is in rotation connection with the shell, and the power input end 502 and the first supporting end 503 respectively form two rotation fulcrums of the driving part 5, so that the rotation stability of the driving part 5 is ensured.
Further, the power input end 502 is provided with a first bearing 6, the housing is integrally provided with a first groove 701 and a first shaft hole 702, the first bearing 6 is positioned and assembled in the first groove 701 with the matched structural shape, the first support end 503 is rotationally inserted into the first shaft hole 702, and the first support end 503 is sleeved with a first shaft sleeve 10, so that smoothness of rotation of the driving part 5 is guaranteed.
Further, the second transmission structure 301 is rotatably disposed in the housing; the two ends of the first driven part 3 are respectively connected with the shell in a rotating way, and the two ends of the first driven part 3 respectively form two rotating fulcra of the first driven part 3, so that the rotating stability of the first driven part 3 is ensured.
Further, the upper end and the lower end of the first driven part 3 are respectively provided with a second bearing 2, the upper side and the lower side of the shell are respectively integrally formed with a second slot 705, and the second bearings 2 are positioned and assembled in the corresponding second slots 705.
Further, the third transmission structure 801 is rotatably disposed in the housing; the power output end 802 on the second driven part 8 is exposed out of the shell so as to output kinetic energy to the lower transmission device, the second supporting end 803 on the second driven part 8 is rotationally connected with the shell, and the power output end 802 and the second supporting end 803 respectively form two rotation fulcrums of the second driven part 8, so that the rotation stability of the second driven part 8 is ensured.
Further, the power output end 802 is provided with a third bearing 9, the housing is integrally provided with a third groove 703 and a second shaft hole 704, the third bearing 9 is positioned and assembled in the third groove 703 with the matched structural shape, the second support end 803 is rotatably inserted into the second shaft hole 704, and the second support end 803 is sleeved with a second shaft sleeve 11, so that the smoothness of the rotation of the second driven part 8 is ensured.
Further, the shell is provided with an upper shell 1 and a lower shell 7 which are assembled in an up-down matching way, an inner cavity is formed between the upper shell 1 and the lower shell 7, and a second bearing 2, a first driven part 3, a driving part 5, a first bearing 6, a second driven part 8, a third bearing 9, a first shaft sleeve 10, a second shaft sleeve 11 and the like are respectively assembled in the inner cavity between the upper shell 1 and the lower shell 7; the first groove 701, the first shaft hole 702, the third groove 703 and the second shaft hole 704 are formed by combining the upper case 1 and the lower case 7, respectively.
Referring to fig. 6 and 8, the heating table with lifting bottom plate in this embodiment includes a tabletop a, legs B and a bottom plate C, the bottom plate C is liftable relative to the tabletop a and legs B, and a lifting assembly D for driving the lifting adjustment of the bottom plate C is disposed on the bottom plate C; the lifting assembly D includes the worm gear D2 and the power output member D1 (the power output member D1 in the present embodiment is preferably a motor); the output end of the power output part D1 is in transmission connection with the driving part 5 (the power input end 502) in the worm transmission device D2 through a corresponding transmission rod D3, and the second driven part 8 (the power output end 802) in the worm transmission device D2 is in transmission connection with the driving part 5 (the power input end 502) in the next group of worm transmission devices D2 through a corresponding transmission rod D3, so that kinetic energy is continuously transmitted; the lifting assembly D in the embodiment, the power output part D1 drives four groups of worm driving devices D2; a vertically extending driving screw rod 12 is fixedly arranged on the inner side of the table leg B, and the driving screw rod 12 is in threaded connection with a driving screw hole 302 on the inner side of the first driven part 3; each driving rod D3 is in driving connection with the corresponding driving part 5 and the second driven part 8 via the corresponding driving sleeve 13. When the power output part D1 is electrified to work, the rotational kinetic energy is transmitted to the driving part 5 in the worm transmission device D2 of the lower station through the transmission rod D3, the first transmission structure 501 is linked with the second transmission structure 301, the second transmission structure 301 is linked with the third transmission structure 801, and the first driven part 3 and the second driven part 8 are further driven to rotate respectively; the transmission screw hole 302 rotates along with the first driven part 3, and the worm transmission device D2 ascends or descends on the transmission screw 12 under the action of threads, so that the lifting adjustment of the bottom plate C is realized; the second driven part 8 rotates to drive the driving part 5 in the next set of worm drive devices D2 to rotate through the corresponding transmission rod D3, so that infinite transmission of kinetic energy is realized.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A worm drive for a heating table includes a housing; the method is characterized in that: the device also comprises a driving part (5) connected with the power output part (D1) in a transmission way, a first driven part (3) and a second driven part (8); a first transmission structure (501) consisting of a plurality of first helical teeth (5011) is arranged on the arc surface of the outer side wall of the driving part (5); a second transmission structure (301) consisting of a plurality of second helical teeth (3011) is arranged on the arc surface of the outer side wall of the first driven part (3); a third transmission structure (801) consisting of a plurality of third helical teeth (8011) is arranged on the arc surface of the outer side wall of the second driven part (8); the first transmission structure (501) is in transmission connection with the second transmission structure (301), and the second transmission structure (301) is in transmission connection with the third transmission structure (801); the central axis E1 of the first transmission structure (501), the central point E4 of the second transmission structure (301) and the central axis E3 of the third transmission structure (801) are respectively on the same plane.
2. A worm drive for a heating table as claimed in claim 1, wherein: the central axis E1 of the first transmission structure (501) is vertically matched with the central axis E2 of the second transmission structure (301).
3. A worm drive for a heating table as claimed in claim 1, wherein: the central axis E2 of the second transmission structure (301) is vertically matched with the central axis E3 of the third transmission structure (801); the first driven part (3) is provided with a transmission screw hole (302).
4. A worm drive for a heating table as claimed in claim 1, wherein: the first transmission structure (501) is rotatably arranged in the shell; a power input end (502) at one end of the driving part (5) is exposed out of the shell, and a first supporting end (503) at the other end of the driving part (5) is rotationally connected with the shell.
5. The worm drive for a heating table as recited in claim 4, wherein: the power input end (502) is provided with a first bearing (6), the shell is provided with a first groove position (701) and a first shaft hole (702), the first bearing (6) is assembled on the first groove position (701) in a positioning mode, and the first support end (503) is rotationally inserted into the first shaft hole (702).
6. A worm drive for a heating table as claimed in claim 1, wherein: the second transmission structure (301) is rotatably arranged in the shell; the two ends of the first driven part (3) are respectively connected with the shell in a rotating way.
7. The worm drive for a heating table as recited in claim 6, wherein: the upper end and the lower end of the first driven part (3) are respectively provided with a second bearing (2), the upper side and the lower side of the shell are respectively provided with a second slot position (705), and the second bearing (2) is positioned and assembled on the corresponding second slot position (705).
8. A worm drive for a heating table as claimed in claim 1, wherein: the third transmission structure (801) is rotatably arranged in the shell; the power output end (802) of the second driven part (8) is exposed out of the shell, and the second supporting end (803) of the second driven part (8) is rotationally connected with the shell.
9. A worm drive for a heating table as claimed in claim 8, wherein: the power output end (802) is provided with a third bearing (9), the shell is provided with a third groove position (703) and a second shaft hole (704), the third bearing (9) is positioned and assembled on the third groove position (703), and the second support end (803) is rotationally inserted into the second shaft hole (704).
10. A heating table with a lifting bottom plate comprises a tabletop (A), table legs (B) and a bottom plate (C), wherein the bottom plate (C) can be lifted relative to the tabletop (A) and the table legs (B), and a lifting assembly (D) for driving the bottom plate (C) to lift and adjust is arranged on the bottom plate (C); the method is characterized in that: lifting assembly (D) comprising a worm drive (D2) for a heating table according to any one of claims 1-9, and a power take-off (D1); the output end of the power output part (D1) is in transmission connection with the driving part (5); the table leg (B) is fixedly provided with a driving screw (12), and the driving screw (12) is in threaded connection with a driving screw hole (302) on the first driven component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322542230.8U CN220727006U (en) | 2023-09-18 | 2023-09-18 | Worm transmission device for heating table and bottom plate lifting heating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322542230.8U CN220727006U (en) | 2023-09-18 | 2023-09-18 | Worm transmission device for heating table and bottom plate lifting heating table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727006U true CN220727006U (en) | 2024-04-05 |
Family
ID=90501354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322542230.8U Active CN220727006U (en) | 2023-09-18 | 2023-09-18 | Worm transmission device for heating table and bottom plate lifting heating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727006U (en) |
-
2023
- 2023-09-18 CN CN202322542230.8U patent/CN220727006U/en active Active
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