CN219661287U - Chair back position and posture adjusting driving structure - Google Patents
Chair back position and posture adjusting driving structure Download PDFInfo
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- CN219661287U CN219661287U CN202223559676.3U CN202223559676U CN219661287U CN 219661287 U CN219661287 U CN 219661287U CN 202223559676 U CN202223559676 U CN 202223559676U CN 219661287 U CN219661287 U CN 219661287U
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of seat adjustment, in particular to a chair back pose adjustment driving structure. The utility model has the advantages of simple and compact structure, stable power output and the like, is directly connected with the driver in a driving way through the first speed reducer, the driver drives the power shaft to rotate so as to drive the second output shaft on the second speed reducer to synchronously rotate with the first output shaft, and the single driver is adopted for output, so that the use cost is effectively reduced, the driving efficiency is improved, the occupied space is small, and the utility model is suitable for power output at a smaller space position; meanwhile, the second speed reducer is in driving connection with the driver through the power shaft, so that the integral structure formed by the driver and the first speed reducer is more convenient to assemble with the second speed reducer, labor intensity is reduced, production efficiency is improved, and maintenance is convenient.
Description
Technical Field
The utility model relates to the technical field of seat adjustment, in particular to a chair back pose adjustment driving structure.
Background
The chair is a chair with a backrest and armrests. Ancient seats were sitting without chairs, and the "chair" book was a wood name. The technology development of modern society is faster, and many things common in life are updated, including the most common seats
The seat adjusting device adopts a certain mechanical structure to adjust the seat, and comprises a height, an inclination degree, shock absorption and the like, the driving device and the seat back which are adjusted by the existing seat back at present are required to be assembled integrally, and the installation space is small, so that the assembly difficulty of the driving device is greatly increased, and meanwhile, the whole seat back or the seat is required to be removed when the driving device is maintained, so that the labor intensity is high, and the maintenance timeliness is increased.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the chair back pose adjusting driving structure which is capable of effectively reducing the use cost, improving the driving efficiency, small in occupied space, more convenient to assemble and convenient to maintain.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
a chair back pose adjustment drive structure, comprising:
the driving device comprises a driver, a first rotating shaft and a second rotating shaft, wherein the driving shaft is arranged on the driver, the two ends of the driving shaft are respectively provided with the first rotating shaft and the second rotating shaft, and the driver is used for driving the first rotating shaft and the second rotating shaft to synchronously rotate;
the first speed reducer is in driving connection with a second rotating shaft of the driver, a first output shaft is arranged on the first speed reducer, and the driver is used for driving the second rotating shaft to rotate so as to drive the first output shaft on the first speed reducer to rotate;
the power shaft is in driving connection with the first rotating shaft;
the second speed reducer is in driving connection with the power shaft, a second output shaft is arranged on the second speed reducer, and the driver is used for driving the power shaft connected with the first rotating shaft to rotate so as to drive the second output shaft on the second speed reducer to synchronously rotate with the first output shaft.
In one embodiment of the utility model, the driver comprises a shell, a stator assembly is arranged on the inner wall of the shell, driving bearings are arranged on two sides of the shell, the driving shaft is arranged on the two driving bearings, a rotor assembly is arranged on the driving shaft, and the shell is connected with the first speed reducer through a flange.
In one embodiment of the utility model, the driver may be a stepper motor or a servo motor.
In one embodiment of the utility model, the first speed reducer comprises a driving shell, a mounting plate is arranged on the driving shell, an input hole is arranged on the mounting plate, the mounting plate is connected with the shell through a flange, the second rotating shaft penetrates through the input hole to be in driving connection with a transmission part in the driving shell, and the transmission part is in driving connection with the first output shaft.
In one embodiment of the present utility model, the transmission component includes a first worm, a driving hole is provided on the first worm, the second rotating shaft is inserted in the driving hole, the first worm is in driving connection with a first worm wheel, the first worm wheel is provided on a first bearing seat, and the first output shaft is in driving connection with the first worm wheel through the first bearing seat.
In one embodiment of the utility model, the first rotating shaft is in driving connection with a first driving block, a first power hole is formed in the first driving block, the power shaft is arranged on the first power hole in a penetrating mode, a second driving block is arranged at the other end of the driving block, and the second driving block is connected with the second speed reducer.
In one embodiment of the present utility model, the second speed reducer includes a power housing, a connection plate is provided on the power housing, a connection hole is provided on the connection plate, a power bearing is provided on the connection hole, a power rotating shaft is provided on the power bearing, a second worm is provided on the power rotating shaft, the second worm is in driving connection with a second worm wheel, the second driving block is in driving connection with the power rotating shaft, the second worm wheel is provided on a second bearing seat, and the second output shaft passes through the second bearing seat to be in driving connection with the second worm wheel.
In one embodiment of the utility model, the cross section of the power shaft is regular polygon, the shape of the power hole is matched with the side cross section of the power shaft, and the projection area of the power shaft on the power hole is smaller than or equal to the cross section area of the power hole.
In one embodiment of the utility model, the first speed reducer and the second speed reducer are respectively provided with a mounting seat, the mounting seat is provided with an assembly hole, and the assembly hole is provided with a guide sleeve.
In one embodiment of the utility model, the second driving block and the power rotating shaft are of an integrated structure, the diameter of the second driving block is larger than that of the power rotating shaft, a second power hole matched with the first power hole is formed in the second driving block, and two ends of the power shaft are respectively arranged on the first power hole and the second power hole in a penetrating mode.
The utility model has the beneficial effects that:
the utility model has the advantages of simple and compact structure, stable power output and the like, is directly connected with the driver in a driving way through the first speed reducer, the driver drives the power shaft to rotate so as to drive the second output shaft on the second speed reducer to synchronously rotate with the first output shaft, and the single driver is adopted for output, so that the use cost is effectively reduced, the driving efficiency is improved, the occupied space is small, and the utility model is suitable for power output at a smaller space position; meanwhile, the second speed reducer is in driving connection with the driver through the power shaft, so that the integral structure formed by the driver and the first speed reducer is more convenient to assemble with the second speed reducer, labor intensity is reduced, production efficiency is improved, and maintenance is convenient.
Drawings
Fig. 1 is a schematic view of a chair back posture adjusting driving structure.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic diagram of a second decelerator of the present utility model.
The reference numerals in the figures illustrate: 1. a driver; 11. a housing; 12. a drive bearing; 13. a drive shaft; 14. a rotor assembly; 15. a stator assembly; 16. a second rotating shaft; 17. a flange; 2. a first decelerator; 21. a drive housing; 22. a first worm; 23. a first worm wheel; 24. a first bearing seat; 25. a mounting plate; 26. an input hole; 3. a second decelerator; 31. a power housing; 32. a connecting plate; 33. a connection hole; 34. a second driving block; 35. a second power hole; 36. a power rotating shaft; 37. a second worm; 38. a second worm wheel; 39. a second bearing seat; 4. a power shaft; 41. a first driving block; 42. a first power hole; 5. a mounting base; 51. a fitting hole; 52. a guide sleeve; 53. a second output shaft; 54. a first output shaft.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1-3, a chair back posture adjustment driving structure includes:
the device comprises a driver 1, wherein a driving shaft 13 is arranged on the driver 1, a first rotating shaft and a second rotating shaft 16 are respectively arranged at two ends of the driving shaft 13, and the driver 1 is used for driving the first rotating shaft and the second rotating shaft 16 to synchronously rotate;
the first speed reducer 2 is in driving connection with the second rotating shaft 16 of the driver 1, a first output shaft 54 is arranged on the first speed reducer 2, and the driver 1 is used for driving the second rotating shaft 16 to rotate so as to drive the first output shaft 54 on the first speed reducer 2 to rotate;
a power shaft 4 in driving connection with the first rotating shaft;
the second speed reducer 3 is in driving connection with the power shaft 4, a second output shaft 53 is arranged on the second speed reducer 3, and the driver 1 is used for driving the power shaft 4 connected with the first rotating shaft to rotate so as to drive the second output shaft 53 on the second speed reducer 3 to synchronously rotate with the first output shaft 54.
The utility model has the advantages of simple and compact structure, stable power output and the like, the first speed reducer 2 is directly connected with the driver 1 in a driving way, the driver 1 drives the power shaft 4 to rotate so as to drive the second output shaft 53 on the second speed reducer 3 to synchronously rotate with the first output shaft 54, and the single driver 1 is adopted for output, so that the use cost is effectively reduced, the driving efficiency is improved, the occupied space is small, and the utility model is suitable for power output at a smaller space position; meanwhile, the second speed reducer 3 is in driving connection with the driver 1 through the power shaft 4, so that the integral structure formed by the driver 1 and the first speed reducer 2 is more convenient to assemble with the second speed reducer 3, labor intensity is reduced, production efficiency is improved, and maintenance is convenient.
In one embodiment of the present utility model, the driver 1 includes a housing 11, a stator assembly 15 is disposed on an inner wall of the housing 11, driving shafts 13 and bearings 12 are disposed on two sides of the housing 11, the driving shafts 13 are disposed on two driving shafts 13 and bearings 12, a rotor assembly 14 is disposed on the driving shafts 13, and the housing 11 and the first speed reducer 2 are connected through a flange 17.
Specifically, the shell 11 is connected with the first speed reducer 2 through the flange 17, so that the number of parts can be effectively reduced, the whole structure is more compact, the size of the speed reducer is reduced, and the installation difficulty of the whole body and the second speed reducer 3 is reduced.
In one embodiment of the utility model, the driver 1 may be a stepper motor or a servo motor.
In one embodiment of the present utility model, the first speed reducer 2 includes a driving housing 21, a mounting plate 25 is disposed on the driving housing 21, an input hole 26 is disposed on the mounting plate 25, the mounting plate 25 is connected to the housing 11 through a flange 17, the second rotating shaft 16 is driven through the input hole to be connected to a transmission component in the driving housing 21, and the transmission component is driven to be connected to the first output shaft 54.
Specifically, the second pivot 16 passes through the input hole with drive part drive connection in the drive shell 21, the drive of first reduction gear 2 adopts driver 1 to carry out direct drive, its structural design is simple, assembly efficiency is high, can guarantee the pivoted concentricity of first reduction gear 2, reduce the extra radial force that drive shaft 13 holds 12 and receive, thereby reduce the vibration of entire system, equipment's life is prolonged, mounting panel 25 pass through flange 17 with casing 11 is connected simultaneously, first reduction gear 2 need not to add extra bearing, reduction in production cost.
In one embodiment of the present utility model, the transmission component includes a first worm 22, a driving hole is provided on the first worm 22, the second rotating shaft 16 is inserted in the driving hole, the first worm 22 is in driving connection with a first worm wheel 23, the first worm wheel 23 is provided on a first bearing seat 24, and the first output shaft 54 is in driving connection with the first worm wheel 23 through the first bearing seat 24.
Specifically, the first output shaft 54 passes through the first bearing seat 24 and is in driving connection with the first worm wheel 23, so that abrasion between the first worm 22 and the first worm wheel 23 can be reduced, the service life of the speed reducer is prolonged, the compactness is improved, and the overall performance of the speed reducer is improved.
In one embodiment of the present utility model, the first rotating shaft is in driving connection with a first driving block 41, a first power hole 42 is provided on the first driving block 41, the power shaft 4 is disposed on the first power hole 42 in a penetrating manner, a second driving block 34 is provided at the other end of the driving block, and the second driving block 34 is connected with the second speed reducer 3.
Specifically, the power shaft 4 is inserted into the first power hole 42 of the first driving block 41, the guide sleeve 52 on the second speed reducer 3 is installed at the other end of the rotating shaft of the chair back, and the other end of the power shaft 4 is inserted into the second power hole 35 on the second speed reducer 3, so that the power shaft 4 is conveniently connected with the second speed reducer 3 in a driving way, and the assembly difficulty is reduced.
In one embodiment of the present utility model, the second speed reducer 3 includes a power housing 31, a connection plate 32 is disposed on the power housing 31, a connection hole 33 is disposed on the connection plate 32, a power bearing 4 is disposed on the connection hole 33, a power rotating shaft 36 is disposed on the power bearing 4, a second worm 37 is disposed on the power rotating shaft 36, the second worm 37 is in driving connection with a second worm wheel 38, the second driving block 34 is in driving connection with the power rotating shaft 36, the second worm wheel 38 is disposed on a second bearing seat 39, and the second output shaft 53 is in driving connection with the second worm wheel 38 through the second bearing seat 39.
The worm gear and output shaft driving connection structure of the second speed reducer 3 and the first speed reducer 2 is the same.
Specifically, the second output shaft 53 is driven to connect with the second worm wheel 38 by penetrating through the second bearing 39, so that abrasion between the second worm 37 and the second worm wheel 38 can be reduced, the service life of the reduction gear can be prolonged, the compactness can be improved, and the overall performance of the reduction gear can be improved.
In one embodiment of the present utility model, the cross section of the power shaft 4 is regular polygon, the shape of the power hole is matched with the side cross section of the power shaft 4, and the projection area of the power shaft 4 on the power hole is smaller than or equal to the cross section area of the power hole.
Specifically, the section of the power shaft 4 is regular polygon, so that stable power transmission is ensured, meanwhile, east and new aspects during rotation are ensured, the strength is high, and the service life is long; the projection area of the power shaft 4 on the power hole is smaller than or equal to the cross-sectional area of the power hole, so that the advantages of convenience in assembly and difficulty in falling off can be realized by effectively utilizing the self structural configuration of the power shaft.
In one embodiment of the present utility model, the first speed reducer 2 and the second speed reducer 3 are both provided with a mounting seat 5, the mounting seat 5 is provided with an assembly hole 51, and the assembly hole 51 is provided with a guide sleeve 52.
Specifically, the assembly hole 51 on the second speed reducer 3 is firstly installed on one end of the rotating shaft of the chair back, the power shaft 4 is inserted into the first power hole 42 of the first driving block 41, and the guide sleeve 52 on the second speed reducer 3 is installed on the other end of the rotating shaft of the chair back, so that the driving structure is more convenient to install, the processing time consumption is less, the labor intensity is reduced, the production efficiency is improved, and the maintenance is convenient.
In one embodiment of the present utility model, the second driving block 34 and the power rotating shaft 36 are integrally formed, the diameter of the second driving block 34 is larger than that of the power rotating shaft 36, the second driving block 34 is provided with a second power hole 35 matched with the first power hole 42, and two ends of the power shaft 4 are respectively inserted into the first power hole 42 and the second power hole 35.
Specifically, the second driving block 34 and the power rotating shaft 36 are integrally formed, so that the assembly efficiency is high, the concentricity of the rotation of the power rotating shaft 36 can be ensured, the vibration of the whole system is reduced, and quality accidents such as shaft breakage of the power rotating shaft 36 and short bearing life of the power shaft 4 can be avoided.
The using process comprises the following steps:
after the second speed reducer 3 is assembled with the driver 1, the assembly hole 51 on the second speed reducer 3 is firstly arranged at one end of the rotating shaft of the chair back, the power shaft 4 is inserted into the first power hole 42 of the first driving block 41, the guide sleeve 52 on the second speed reducer 3 is arranged at the other end of the rotating shaft of the chair back, the other end of the power shaft 4 is inserted into the second power hole 35 on the second speed reducer 3, the first output shaft 54 and the second output shaft 53 are in driving connection with the power assembly on the chair back or the chair seat, and the installation operation of the chair back pose adjusting driving structure can be completed, so that the installation is simple and convenient.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The utility model provides a back of chair position appearance adjustment drive structure which characterized in that includes:
the driving device comprises a driver, a first rotating shaft and a second rotating shaft, wherein the driving shaft is arranged on the driver, the two ends of the driving shaft are respectively provided with the first rotating shaft and the second rotating shaft, and the driver is used for driving the first rotating shaft and the second rotating shaft to synchronously rotate;
the first speed reducer is in driving connection with a second rotating shaft of the driver, a first output shaft is arranged on the first speed reducer, and the driver is used for driving the second rotating shaft to rotate so as to drive the first output shaft on the first speed reducer to rotate;
the power shaft is in driving connection with the first rotating shaft;
the second speed reducer is in driving connection with the power shaft, a second output shaft is arranged on the second speed reducer, and the driver is used for driving the power shaft connected with the first rotating shaft to rotate so as to drive the second output shaft on the second speed reducer to synchronously rotate with the first output shaft.
2. The chair back pose adjustment driving structure according to claim 1, wherein the driver comprises a housing, a stator assembly is arranged on the inner wall of the housing, driving bearings are arranged on two sides of the housing, the driving shaft is arranged on the two driving bearings, a rotor assembly is arranged on the driving shaft, and the housing is connected with the first speed reducer through a flange.
3. The chair back pose adjustment driving structure according to claim 1, wherein the driver can be a stepping motor or a servo motor.
4. The chair back pose adjustment driving structure according to claim 2, wherein the first decelerator comprises a driving housing, a mounting plate is arranged on the driving housing, an input hole is arranged on the mounting plate, the mounting plate is connected with the shell through a flange, the second rotating shaft penetrates through the input hole to be in driving connection with a transmission part in the driving housing, and the transmission part is in driving connection with the first output shaft.
5. The chair back pose adjustment driving structure according to claim 4, wherein the transmission part comprises a first worm, a driving hole is formed in the first worm, the second rotating shaft is inserted into the driving hole, the first worm is in driving connection with a first worm wheel, the first worm wheel is arranged on a first bearing seat, and the first output shaft penetrates through the first bearing seat to be in driving connection with the first worm wheel.
6. The chair back pose adjusting and driving structure according to claim 1, wherein the first rotating shaft is in driving connection with a first driving block, a first power hole is formed in the first driving block, the power shaft is arranged on the first power hole in a penetrating mode, a second driving block is arranged at the other end of the driving block, and the second driving block is connected with the second speed reducer.
7. The chair back pose adjustment driving structure according to claim 6, wherein the second decelerator comprises a power housing, a connecting plate is arranged on the power housing, a connecting hole is arranged on the connecting plate, a power bearing is arranged on the connecting hole, a power rotating shaft is arranged on the power bearing, a second worm is arranged on the power rotating shaft and is in driving connection with a second worm wheel, the second driving block is in driving connection with the power rotating shaft, the second worm wheel is arranged on a second bearing seat, and the second output shaft penetrates through the second bearing seat and is in driving connection with the second worm wheel.
8. The chair back pose adjustment driving structure according to claim 6, wherein the cross section of the power shaft is regular polygon, the shape of the power hole is matched with the side cross section of the power shaft, and the projection area of the power shaft on the power hole is smaller than or equal to the cross section area of the power hole.
9. The chair back pose adjustment driving structure according to claim 1, wherein the first decelerator and the second decelerator are provided with mounting seats, the mounting seats are provided with assembly holes, and the assembly holes are provided with guide sleeves.
10. The chair back pose adjusting and driving structure according to claim 7, wherein the second driving block and the power rotating shaft are of an integrated structure, the diameter of the second driving block is larger than that of the power rotating shaft, a second power hole matched with the first power hole is formed in the second driving block, and two ends of the power shaft are respectively arranged on the first power hole and the second power hole in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559676.3U CN219661287U (en) | 2022-12-30 | 2022-12-30 | Chair back position and posture adjusting driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559676.3U CN219661287U (en) | 2022-12-30 | 2022-12-30 | Chair back position and posture adjusting driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219661287U true CN219661287U (en) | 2023-09-12 |
Family
ID=87896592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223559676.3U Active CN219661287U (en) | 2022-12-30 | 2022-12-30 | Chair back position and posture adjusting driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219661287U (en) |
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2022
- 2022-12-30 CN CN202223559676.3U patent/CN219661287U/en active Active
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