CN109043921A - Rocking chair driving device - Google Patents
Rocking chair driving device Download PDFInfo
- Publication number
- CN109043921A CN109043921A CN201810939608.9A CN201810939608A CN109043921A CN 109043921 A CN109043921 A CN 109043921A CN 201810939608 A CN201810939608 A CN 201810939608A CN 109043921 A CN109043921 A CN 109043921A
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- China
- Prior art keywords
- slideway
- rocking chair
- actuator body
- driving device
- disposed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
- A47C3/0255—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame pivotally mounted in the base frame, e.g. swings
Landscapes
- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses rocking chair driving devices, including bottom plate and actuator body, one end of actuator body is disposed with driving mechanism, driving mechanism includes motor control panel, grating electromechanical and roller bearing, grating electromechanical drives roller bearing rotation, the side of roller bearing is driving face, the other end of actuator body is installed by first rotating shaft and bottom plate, torque force adjusting mechanism is disposed in actuator body, torque force adjusting mechanism includes plane scroll spring and adjusting ring, plane scroll spring covers in first rotating shaft, first rotating shaft, which passes through, adjusts ring, one end of plane scroll spring is fixed with first rotating shaft, the other end of plane scroll spring is fixed with ring is adjusted, plane scroll spring applies torsion to actuator body by adjusting ring, abut the side of roller bearing with the lower part of rocking chair, and no matter how rocking chair height of lower part when swinging changes, roller bearing side is equal It can keep abutting with it.The present invention is easy to use, can be widely applied to rocking chair technical field.
Description
Technical field
The present invention relates to rocking chair technical fields, in particular to rocking chair driving device.
Background technique
Rocking chair is widely used in daily life as a kind of used leisure reclining chair, is lain on rocking chair and is loosened after tired
Once, this mode is easily satisfied.Rocking chair lower part common at present has the structure of arc or rocking chair is designed as sunpender swing
Structure, people need oneself often to rock after lying down, and rocking chair can just swung, this is not easy to body relax.
Summary of the invention
Technical problem to be solved by the invention is to provide rocking chair driving devices, by placing rocking chair driving in rocking chair lower part
Device makes rocking chair automatic swinging.
Used technical solution to solve above-mentioned technical problem:
Rocking chair driving device, including bottom plate and actuator body, one end of actuator body are disposed with driving mechanism, driving
Mechanism includes motor control panel, grating electromechanical and the roller bearing for driving rocking chair, and grating electromechanical drives roller bearing rotation, the side of roller bearing
Face is the driving face with driving rocking chair friction, and the other end of actuator body is installed by first rotating shaft and bottom plate, driver sheet
Be disposed in body adjust its rotational angle torque force adjusting mechanism, torque force adjusting mechanism include plane scroll spring and adjust ring,
Plane scroll spring covers in first rotating shaft, and first rotating shaft, which passes through, adjusts ring, and one end of plane scroll spring and first rotating shaft are solid
Fixed, the other end of plane scroll spring is fixed with ring is adjusted, and plane scroll spring turns round actuator body application by adjusting ring
Power.
Further, the torque force adjusting mechanism further includes screw pair, and screw pair includes screw rod, the moving member covered on screw rod
And the guide rail with screw rod parallel arrangement, moving member are moved along guide rail, the axis of screw rod and the axis antarafacial of first rotating shaft are vertical,
The lateral surface of ring is adjusted around being disposed with flexible piece, one end of flexible piece is fixed on the lateral surface for adjusting ring, flexible piece it is another
End is fixed on moving member.
Further, the upper and lower part of the screw rod is arranged with the mounting base fixed with actuator body, one of them
The compressed spring covered on screw rod is fixed in mounting base.
Further, the outer surface of the actuator body is disposed with torsion adjusting knob, and torsion adjusting knob is fixed on silk
The end of bar.
Further, it is disposed with self-lock rod between the actuator body and bottom plate, vertical peace is disposed in actuator body
Loading board, the side of horizontal mounting plate and actuator body intracavity sidewall are respectively disposed with the identical self-locking slideway in path, self-lock rod
One end by the way that on the second shaft mounting base, the other end of self-lock rod is disposed with third shaft, the both ends difference of third shaft
It is placed in two self-locking slideways.
Further, the self-locking slideway includes free slideway, the first slideway and the second slideway, the lower port of free slideway
Closing, the upper port of free slideway are communicated with the entrance of the first slideway, and the outlet of the first slideway is sliding with second by stop zone
The entrance in road communicates, and the outlet of the second slideway leads to middle part or the upper port of free slideway.
Further, molding bulge-structure is position limiting structure between first slideway and the second slideway, position limiting structure
Top forms guide structure, and the region between guide structure and position limiting structure is stop zone.
Further, the position limiting structure has the third guide surface as side wall at the first chute inlet, third guide surface
Towards free slideway upper port and be positioned above.
Further, the outer surface of the actuator body is disposed with the speed adjusting knob of control grating electromechanical output.
Further, handle is disposed in the actuator body.
The utility model has the advantages that present invention mounting plane scroll spring in actuator body, plane scroll spring is to driver sheet
The torsion of body abuts the side of roller bearing closely with the lower part of rocking chair, and no matter how rocking chair height of lower part when swinging becomes
Change, roller bearing side can keep abutting with it；It can adjust the tensioning degree of plane scroll spring, by screw pair so as to adjust rolling
Axis side abuts the normal pressure at place with rocking chair lower part, and then adjusts roller bearing side to the frictional force at the abutting of rocking chair lower part.This hair
It is bright easy to use, it can be widely applied to rocking chair technical field.
Detailed description of the invention
Fig. 1 is the structure chart of rocking chair driving device；
Fig. 2 is the internal structure chart of rocking chair driving device；
Fig. 3 is the structure chart of self-locking slideway in horizontal mounting plate；
Fig. 4 is the assembling schematic diagram of rocking chair and rocking chair driving device.
Specific embodiment
Below with reference to Fig. 1 to Fig. 4, the present invention is described further.
Embodiment one:
Rocking chair driving device can be placed in the lower section of rocking chair, including bottom plate 10 and actuator body 20, actuator body 20
One end be disposed with driving mechanism, the other end of actuator body 20 is installed by first rotating shaft 41 and bottom plate 10, therefore, is passed through
Adjust drivers ontology 20 is rotated around first rotating shaft 41, can adjust the height of the driving mechanism of the other end.In the present embodiment, driving
The torque force adjusting mechanism for adjusting its rotational angle is disposed in device ontology 20.41 place end of first rotating shaft is set as actuator body
20 installation end, end where driving mechanism are the driving end of actuator body 20.
Driving mechanism includes motor control panel 34, grating electromechanical and the roller bearing 30 for driving rocking chair, and grating electromechanical is with band
The mode of transmission drives roller bearing 30 to rotate, and the side of roller bearing 30 is the driving face with driving rocking chair friction.Actuator body 20
Outer surface is disposed with the speed adjusting knob 31 of control grating electromechanical output, the i.e. adjustable roller bearing 30 of turn speed adjusting knob 31
Revolving speed, so as to adjust the hunting frequency of rocking chair.
In the present embodiment, torque force adjusting mechanism includes plane scroll spring 42, adjusts ring 43 and screw pair, plane scroll
42 sets of spring in first rotating shaft 41, first rotating shaft 41, which passes through, adjusts ring 43, one end of plane scroll spring 42 and first rotating shaft
41 is fixed, and the other end and adjusting ring 43 of plane scroll spring 42 are fixed, and plane scroll spring 42 is by adjusting 43 pairs of ring drivings
Device ontology 20 applies torsion.Plane scroll spring 42 applies the torsion being rotated up to actuator body 20, makes the side of roller bearing 30
The arcwall face in face and rocking chair lower part fits closely, and since the active force that plane scroll spring 42 generates is elastic torsion,
Therefore, when the height of the arcwall face of rocking chair lower part changes, under the action of elastic torsion, the height of roller bearing 30 can be therewith
Variation, so that roller bearing 30 be made to be kept in contact with rocking chair lower part.
Screw pair using ball wire bar pair, screw pair include screw rod 44, cover moving member 45 on screw rod 44 and
The guide rail being arranged in parallel with screw rod 44, the axis of screw rod 44 and the axis antarafacial of first rotating shaft 41 are vertical.Moving member 45 is nut
Part, moving member 45 is moved along guide rail, and in the present embodiment, the bayonet arrangement to match with guide rail, screw rod are formed on moving member 45
44 can prevent moving member 45 from rotating with screw rod 44 during rotation drives moving member 45, through buckle structure.Adjust ring 43
For lateral surface around being disposed with flexible piece 47, one end of flexible piece 47 is fixed on the lateral surface for adjusting ring 43, flexible piece 47 it is another
End is fixed on moving member 45.And one end fixed with ring 43 is adjusted on flexible piece 47 is set as the circular starting of flexible piece 47
It holds, the one end fixed on flexible piece 47 with moving member 45 is square to surrounding for destination terminal is surround around starting point to surround destination terminal
To contrary with 42 pairs of the plane scroll spring adjusting torsion of ring 43.Thus moving member 45 is by flexible piece 47 to plane scroll
The torsion of spring 42 has restriction effect, therefore by adjusting the position of moving member 45, it is right that plane scroll spring 42 can be adjusted
The torsion for adjusting ring 43 abuts the normal pressure at place with rocking chair lower part so as to adjust 30 side of roller bearing, and then adjusts therebetween
Frictional force.
In the present embodiment, flexible piece 47 is sheet metal flexible.
The outer surface of actuator body 20 is disposed with torsion adjusting knob 32, and torsion adjusting knob 32 is fixed on screw rod 44
End marks two arrows for having and reducing on torsion adjusting knob 32.In the present embodiment, along augment direction turn torsion
Adjusting knob 32 rotates screw rod 44, and then moving member 45 is driven to move down along guide rail, adjusts ring 43 and rotates with it, makes
Plane scroll spring 42 is tightened in certain amplitude, to increase it to the torsion for adjusting ring 43, and then is increased axis side and is shaken
Normal pressure at the abutting of chair lower part, can increase frictional force between the two, rocking chair can be accelerated to swing.Similarly, if along reduction side
To turn torsion adjusting knob 32, plane scroll spring 42 can be relaxed in certain amplitude.
The upper and lower part of screw rod 44 is arranged with the mounting base 46 fixed with actuator body 20, and two mounting bases 46 are made
Support when being rotated for screw rod 44, and the compressed spring covered on screw rod 44 is fixed in one of mounting base 46.This implementation
In example, compressed spring covers on the top of screw rod 44, and when torsion adjusting knob 32 is threaded to maximum along reduction direction, moving member 45 is moved
It moves to the top of screw rod 44 and is abutted with compressed spring, if torsion adjusting knob 32 passes through compression along augment direction turn at this time
The elastic force of spring acts on, and moving member 45 can be pushed mobile.
In the present embodiment, it is disposed with self-lock rod 33 between actuator body 20 and bottom plate 10, is arranged in actuator body 20
Have a horizontal mounting plate 54, the side of horizontal mounting plate 54 and 20 intracavity sidewall of actuator body be respectively disposed with path it is identical from
Slideway 50 is locked, one end of self-lock rod 33 is by the way that on the second shaft mounting base 10, the other end of self-lock rod 33 is disposed with third and turns
Axis 53, the both ends of third shaft 53 are individually positioned in two self-locking slideways 50.When rocking chair driving device is idle, pressable is driven
The driving end of dynamic device ontology 20, is lockked in self-locking slideway 50 by self-lock rod 33, is attached to the driving end of actuator body 20
On bottom plate 10, reduces occupied space, when needing, rocking chair driving device is placed on rocking chair lower part, again pressing driver ontology
20 driving end is the self-locking of accessible self-lock rod 33, makes that end is driven to bounce, 30 side of roller bearing is abutted with rocking chair lower part.
Self-locking slideway 50 includes free slideway 55, the first slideway 51 and the second slideway 52, the lower port of free slideway 55
Closing, the upper port of free slideway 55 are communicated with the entrance of the first slideway 51, and the outlet of the first slideway 51 passes through stop zone 56
It is communicated with the entrance of the second slideway 52, the outlet of the second slideway 52 leads to middle part or the upper port of free slideway 55.
In the present embodiment, the outlet of the second slideway 52 leads to the upper port of free slideway 55.
Between first slideway 51 and the second slideway 52 molding bulge-structure be position limiting structure 570, position limiting structure 570 it is upper
Side forms guide structure 580, and the region between guide structure 580 and position limiting structure 570 is stop zone 56；Position limiting structure
570 upside has the first confined planes 571 and the second confined planes 572, what the first confined planes 571 and the second confined planes 572 were constituted
Angle is the second dog-ear of opening upwards, and the first confined planes 571 are tilted down from the outlet of the first slideway 51, the second confined planes
572 are inclined upward to the entrance of the second slideway 52；Guide structure 580 has the first guide surface 581 and the second guide surface 582, the
The angle that one guide surface 581 and the second guide surface 582 are constituted is the first dog-ear of opening upwards, and the first guide surface 581 is close to the
The outlet of one slideway 51, entrance of second guide surface 582 close to the second slideway 52.
When rocking chair driving device is when driving rocking chair, the third shaft 53 on self-lock rod 33 is located in free slideway 55, and
It is moved up and down in free slideway 55, does not enter stop zone 56.Hereafter, to pack up rocking chair driving device, i.e., downwards
Pressing driving end is primary, and third shaft 53 enters the first slideway 51 from free slideway 55, pushes up when user perceives third shaft 53
The firmly top of the first slideway 51 illustrates that third shaft 53 is moved to the outlet of the first slideway 51, can loose one's grip, in plane scroll
Under the twisting force of spring 42, driving end has the trend popped up, and then third shaft 53 enters stop zone 56, and edge
First guide surface 581 is moved at the second dog-ear, and the side of third shaft 53 has downward active force to position limiting structure 570,
I.e. to driving end have downward active force, can 42 torsion of balancing plane scroll spring to driving end generate pop up become
Gesture, to realize self-locking.To reuse rocking chair driving device, i.e., pressing driving end is primary still further below, 53 edge of third shaft
Second guide surface 582 is detached from stop zone 56, is moved to the entrance of the second slideway 52, withstands when user perceives third shaft 53
The top of second slideway 52, can loose one's grip, and under the twisting force of plane scroll spring 42, driving end is popped up, and third turns
Axis 53 moves along the second slideway 52 and enters free skating road 55, to realize unlock.
In the present embodiment, the vertex of the first dog-ear is close to the outlet of the first slideway 51, and the vertex of the second dog-ear is close to second
The entrance of slideway 52, in this way at second of pressing driving end, third shaft 53 will not return to first along the first guide surface 581
Slideway 51, and the second slideway 52 can only be entered along the second guide surface 582.
In the present embodiment, position limiting structure 570 has the third guide surface 573 as 51 inlet side wall of the first slideway, the
Three guide surfaces 573 are inclined surface, third guide surface 573 towards free slideway 55 upper port and be positioned above, therefore the
Under the guidance of three guide surfaces 573, third shaft 53 can only enter the first slideway 51 in the outlet of free slideway 55.
In the present embodiment, it is disposed with handle in actuator body 20, moves rocking chair driving device convenient for mentioning.
Embodiment two:
The difference between this embodiment and the first embodiment lies in torque force adjusting mechanism only includes plane scroll spring 42 and adjusting ring
43, it adjusts ring 43 and the inner wall of actuator body 20 is fixed, i.e., in the present embodiment, plane scroll spring 42 can not be manually adjusted
Torsion.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the scope of knowledge possessed by those of ordinary skill in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (10)
1. rocking chair driving device, it is characterised in that: including bottom plate and actuator body, one end of actuator body is disposed with driving
Mechanism, driving mechanism include motor control panel, grating electromechanical and the roller bearing for driving rocking chair, and grating electromechanical drives roller bearing to turn
Dynamic, the side of roller bearing is the driving face with driving rocking chair friction, and the other end of actuator body is pacified by first rotating shaft and bottom plate
It fills, the torque force adjusting mechanism for adjusting its rotational angle is disposed in actuator body, torque force adjusting mechanism includes plane scroll bullet
Spring and adjust ring, plane scroll spring covers in first rotating shaft, and first rotating shaft, which passes through, adjusts ring, one end of plane scroll spring with
First rotating shaft is fixed, and the other end of plane scroll spring is fixed with ring is adjusted, and plane scroll spring is by adjusting ring to driver
Ontology applies torsion.
2. rocking chair driving device according to claim 1, it is characterised in that: the torque force adjusting mechanism further includes screw rod
Pair, screw pair include screw rod, cover the moving member on screw rod and the guide rail with screw rod parallel arrangement, and moving member is moved along guide rail
Dynamic, the axis of screw rod and the axis antarafacial of first rotating shaft are vertical, and the lateral surface for adjusting ring, which is surround, is disposed with flexible piece, flexible piece
One end is fixed on the lateral surface for adjusting ring, and the other end of flexible piece is fixed on moving member.
3. rocking chair driving device according to claim 2, it is characterised in that: the upper and lower part of the screw rod is arranged with
The fixed mounting base with actuator body is fixed with the compressed spring covered on screw rod in one of mounting base.
4. rocking chair driving device according to claim 2 or 3, it is characterised in that: the outer surface cloth of the actuator body
It is equipped with torsion adjusting knob, torsion adjusting knob is fixed on the end of screw rod.
5. rocking chair driving device according to claim 1, it is characterised in that: arranged between the actuator body and bottom plate
There is self-lock rod, horizontal mounting plate, the side of horizontal mounting plate and actuator body intracavity sidewall point are disposed in actuator body
Be not disposed with the identical self-locking slideway in path, one end of self-lock rod is mounted on bottom plate by the second shaft, self-lock rod it is another
End is disposed with third shaft, and the both ends of third shaft are individually positioned in two self-locking slideways.
6. rocking chair driving device according to claim 5, it is characterised in that: the self-locking slideway includes free slideway, the
One slideway and the second slideway, the lower port closing of free slideway, the upper port of free slideway are communicated with the entrance of the first slideway,
The outlet of first slideway is communicated by stop zone with the entrance of the second slideway, and the outlet of the second slideway leads in free slideway
Portion or upper port.
7. rocking chair driving device according to claim 6, it is characterised in that: between first slideway and the second slideway at
The bulge-structure of type is position limiting structure, guide structure is formed above position limiting structure, between guide structure and position limiting structure
Region is stop zone.
8. rocking chair driving device according to claim 7, it is characterised in that: the position limiting structure, which has, is used as the first slideway
The third guide surface of inlet side wall, third guide surface towards free slideway upper port and be positioned above.
9. rocking chair driving device according to claim 1, it is characterised in that: the outer surface of the actuator body is disposed with
Control the speed adjusting knob of grating electromechanical output.
10. rocking chair driving device according to claim 1, it is characterised in that: be disposed with handle in the actuator body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939608.9A CN109043921B (en) | 2018-08-16 | 2018-08-16 | Rocking chair driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939608.9A CN109043921B (en) | 2018-08-16 | 2018-08-16 | Rocking chair driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109043921A true CN109043921A (en) | 2018-12-21 |
| CN109043921B CN109043921B (en) | 2023-12-12 |
Family
ID=64686304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810939608.9A Active CN109043921B (en) | 2018-08-16 | 2018-08-16 | Rocking chair driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109043921B (en) |
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|---|---|---|---|---|
| DE19922446A1 (en) * | 1999-05-07 | 2000-11-09 | Bock 1 Gmbh & Co | Synchronous mechanism for movement of seat and back of office chair; has spring arrangement to tilt back and seat together and catch mechanism to fix back and seat in defined position |
| JP2004065829A (en) * | 2002-08-09 | 2004-03-04 | Takano Co Ltd | Rocking mechanism for chair |
| JP2006333987A (en) * | 2005-05-31 | 2006-12-14 | Itoki Corp | Rocking chair |
| CN101305871A (en) * | 2008-07-11 | 2008-11-19 | 湖南山河智能机械股份有限公司 | Universal swinging chair |
| TWM394748U (en) * | 2010-07-28 | 2010-12-21 | chang-zhen Lin | Rocking chair |
| JP2013022078A (en) * | 2011-07-15 | 2013-02-04 | Itoki Corp | Rocking chair |
| US20130057037A1 (en) * | 2010-05-26 | 2013-03-07 | Takano Co., Ltd. | Reaction force mechanism for backrest of chair and chair mounted with the same |
| CN204998373U (en) * | 2015-08-03 | 2016-01-27 | 张小斌 | Seat angle modulation locking mechanical system |
| JP2017079942A (en) * | 2015-10-26 | 2017-05-18 | タカノ株式会社 | Reaction force adjusting mechanism and chair |
| CN206287862U (en) * | 2016-11-10 | 2017-06-30 | 苏州瑞奇安机电科技有限公司 | Seat cushion and fire-fighting seat |
| CN206390630U (en) * | 2016-09-23 | 2017-08-11 | 泉州超牌电子有限公司 | Multiple swing seat |
| CN209346427U (en) * | 2018-08-16 | 2019-09-06 | 广州市晶露电子科技有限公司 | Rocking chair driving device |
-
2018
- 2018-08-16 CN CN201810939608.9A patent/CN109043921B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19922446A1 (en) * | 1999-05-07 | 2000-11-09 | Bock 1 Gmbh & Co | Synchronous mechanism for movement of seat and back of office chair; has spring arrangement to tilt back and seat together and catch mechanism to fix back and seat in defined position |
| JP2004065829A (en) * | 2002-08-09 | 2004-03-04 | Takano Co Ltd | Rocking mechanism for chair |
| JP2006333987A (en) * | 2005-05-31 | 2006-12-14 | Itoki Corp | Rocking chair |
| CN101305871A (en) * | 2008-07-11 | 2008-11-19 | 湖南山河智能机械股份有限公司 | Universal swinging chair |
| US20130057037A1 (en) * | 2010-05-26 | 2013-03-07 | Takano Co., Ltd. | Reaction force mechanism for backrest of chair and chair mounted with the same |
| TWM394748U (en) * | 2010-07-28 | 2010-12-21 | chang-zhen Lin | Rocking chair |
| JP2013022078A (en) * | 2011-07-15 | 2013-02-04 | Itoki Corp | Rocking chair |
| CN204998373U (en) * | 2015-08-03 | 2016-01-27 | 张小斌 | Seat angle modulation locking mechanical system |
| JP2017079942A (en) * | 2015-10-26 | 2017-05-18 | タカノ株式会社 | Reaction force adjusting mechanism and chair |
| CN206390630U (en) * | 2016-09-23 | 2017-08-11 | 泉州超牌电子有限公司 | Multiple swing seat |
| CN206287862U (en) * | 2016-11-10 | 2017-06-30 | 苏州瑞奇安机电科技有限公司 | Seat cushion and fire-fighting seat |
| CN209346427U (en) * | 2018-08-16 | 2019-09-06 | 广州市晶露电子科技有限公司 | Rocking chair driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109043921B (en) | 2023-12-12 |
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