CN103448577B - Adjusting mechanism capable of automatically adjusting inclination angle of cushion, and cushion framework assembly - Google Patents
Adjusting mechanism capable of automatically adjusting inclination angle of cushion, and cushion framework assembly Download PDFInfo
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- CN103448577B CN103448577B CN201310439673.2A CN201310439673A CN103448577B CN 103448577 B CN103448577 B CN 103448577B CN 201310439673 A CN201310439673 A CN 201310439673A CN 103448577 B CN103448577 B CN 103448577B
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- basin
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Abstract
The invention discloses an adjusting mechanism capable of automatically adjusting the inclination angle of a cushion. The adjusting mechanism comprises an electric mechanism mounted on a seat basin, a synchronous rod, a pair of second connecting rods and a pair of third connecting rods, the electric mechanism is provided with an output shaft rod in linear motion, the synchronous rod is hinged to the output shaft rod through a first connecting rod, one end of each second connecting rod is hinged on an end portion of the synchronous rod, the second connecting rods are further hinged to the left side and the right side of the seat basin, and one end of each third connecting rod is hinged to the other end of the second connecting rod on the same side while the other end of the same is hinged to a cushion framework. The output shaft rod is arranged at the central point of the whole cushion framework assembly, and when a seat is loaded and adjusted, loaded force is always oriented relatively to the center of the synchronous rod, so that other parts do not need additionally absorb supporting moment, motion stability and reliability are improved, and light weight is realized. The invention further discloses a cushion framework assembly containing the adjusting mechanism.
Description
Technical field
The present invention relates to seating art field, particularly to the governor motion automatically adjusting seat cushion inclination angle be provided with this tune
The seat cushion framework assembly of section mechanism.
Background technology
Safety and the comfortableness of driver has day by day been paid close attention in the design of modern seat, especially automobile chair, and now big
The seating portion of most automotive seats is fixing and uncontrollable for the support angle of human leg, so drives when driving
The leg of the person of sailing can be maintained at a position for a long time it is easy to cause occupant to feel fatigue it is therefore necessary to by seat cushion front end
Angle manually/motor driven realizes inclination angle and automatically adjusts, thus occupant leg is provided and comprehensively supporting and reach
Good comfortableness.
As the known technology of Fig. 1 and Fig. 2, the angular adjustment of its seat cushion front end is to be adjusted by motor drive mechanism or man-operated mechanism
Section, its structure is that seat cushion framework assembly 1 is supported on sliding rail rack assembly 4 by forward and backward cursor 2,3, and seat cushion framework is total
1, forward and backward cursor 2,3 and sliding rail rack assembly 4 is become to constitute a quadric chain, its seat cushion top rake and seat cushion hypsokinesis
Angle adjusts linkage and carries out, because the forward and backward cursor 2,3 in order to regulating seat cushion inclination angle is hinged on sliding rail rack assembly 4
Rather than be arranged on the seat basin of seat cushion, during such seat cushion front end inclination angle lifting, the rear end reality of whole seat cushion framework assembly 1
In back rotation, the chair back is caused to be pulled rearwardly, thus causing passenger after raising seat cushion front end must pass through rotating chair forward
Carry on the back and to come back to original backrest angle, thus bringing inconvenience.Simultaneously this structure also have another question be exactly when
When seat is adjusted to the position shown in positioned at Fig. 2, because the support force deficiency of seat cushion front end is so that the thigh of passenger can not be with seat
Pad is in close contact, and causing the easy forward slip of passenger, leading to the body of the passenger in emergency brake to be pushed forward thus being in
Breakneck situation.
In addition the angle adjustment mechanism of existing seat cushion front end also just like China Patent Publication No. CN101638066A,
Structure as shown in Figure 3 and Figure 4 disclosed in CN101919630A, scalable seat basin 10 is arranged in the front end of seat cushion framework 20, can
Adjustment seat basin 10 rear end is rotated by the way of such as hinged or deflects or be movably attached on seat cushion framework 20, scalable seat
Lift and decline under the drive of linkage 40 that the front end of basin 20 is driven by motor 30, the inclination angle realizing seat cushion front end is adjusted
Section.Technical scheme employed in above-mentioned two patents has that one is difficult to overcome exactly when seat is loaded, institute
The power loading always for example sells one deflection torque of generation with respect to some the located lateral parts in linkage 40, makes whole
System stationarity and less reliable, therefore comfortableness and safety to user offer are limited, simultaneously because system will be inhaled
Receive these deflection torques, so parts need the enough strong of design, corresponding total can become heavy and take larger
Space.
Content of the invention
One of the technical problem to be solved be for existing for the governor motion at existing seat cushion inclination angle not
There is provided a kind of governor motion automatically adjusting seat cushion inclination angle enough, the governor motion that this automatically adjusts seat cushion inclination angle can make seat cushion
Front end independence rise above rear end, to strengthen support force to the passenger being sitting on seat, thus preventing tight
In the case of bringing to a halt, passenger is pushed forward, and needs to readjust asking of backrest angle after solving seat cushion tilt adjustment simultaneously
Topic.
The two of the technical problem to be solved be to provide a kind of using the above-mentioned tune automatically adjusting seat cushion inclination angle
The seat cushion framework assembly of section mechanism.
The governor motion automatically adjusting seat cushion inclination angle of the present invention, including：
One installs the motor drive mechanism on present basin, and this motor drive mechanism has an output axostylus axostyle for linear motion；
One synchronizing bar, it is hinged with described output axostylus axostyle that this synchronizing bar passes through first connecting rod；
A pair of second connecting rod, one end of each second connecting rod is hinged on the end of described synchronizing bar, and the pair of second even
Bar is also hinged with the arranged on left and right sides of described seat basin；
A pair of third connecting rod, one end of each third connecting rod is hinged with the other end of the second connecting rod of homonymy, and every one the 3rd
The other end of connecting rod is hinged with described seat cushion framework.
In a preferred embodiment of the invention, described output axostylus axostyle is in the centre position of described seat basin, and described the
The pin joint of one connecting rod and described synchronizing bar is located at the midpoint of described synchronizing bar, and the pair of second connecting rod is with described first connecting rod
End with the left and right two ends being symmetrically hinged on described synchronizing bar centered on the pin joint of synchronizing bar.
In a preferred embodiment of the invention, one end of described first connecting rod and one end of described output axostylus axostyle are cut with scissors
Connect, the other end is semicircle prong, the internal diameter of described semicircle prong is suitable with the external diameter of described synchronizing bar.
In a preferred embodiment of the invention, described output axostylus axostyle is a screw mandrel.
In a preferred embodiment of the invention, the hinge of the arranged on left and right sides of the pair of second connecting rod and described seat basin
The mode of connecing is：One end of one support plate is hinged with each second connecting rod, the other end of described support plate is fixing with described seat basin even
Connect.
Described support plate is L-shaped, and the wherein end of vertical section is hinged with the approximately mid way between of described second connecting rod, horizontal segment
It is welded to connect with described seat basin.
The seat cushion framework assembly of the present invention, including seat basin, seat cushion framework and the governor motion automatically adjusting seat cushion inclination angle,
Described seat basin rear end arranged on left and right sides is respectively fixed with a cursor, and described cursor is hinged on described seat cushion framework；Described from
The governor motion at dynamic regulating seat cushion inclination angle includes：
One installs the motor drive mechanism on present basin bottom surface centre position, and this motor drive mechanism has an output for linear motion
Axostylus axostyle；
One synchronizing bar, it is hinged with described output axostylus axostyle that this synchronizing bar passes through first connecting rod；
A pair of second connecting rod, one end of each second connecting rod is hinged on the end of described synchronizing bar, and the pair of second even
Bar is also hinged with the arranged on left and right sides of described seat basin；
A pair of third connecting rod, one end of each third connecting rod is hinged with the other end of the second connecting rod of homonymy, and every one the 3rd
The other end of connecting rod is hinged with described seat cushion framework.
In a preferred embodiment of the invention, described output axostylus axostyle is in the centre position of described seat basin, and described the
The pin joint of one connecting rod and described synchronizing bar is located at the midpoint of described synchronizing bar, and the pair of second connecting rod is with described first connecting rod
End with the left and right two ends being symmetrically hinged on described synchronizing bar centered on the pin joint of synchronizing bar.
In a preferred embodiment of the invention, one end of described first connecting rod and one end of described output axostylus axostyle are cut with scissors
Connect, the other end is semicircle prong, the internal diameter of described semicircle prong is suitable with the external diameter of described synchronizing bar.
In a preferred embodiment of the invention, described output axostylus axostyle is a screw mandrel.
In a preferred embodiment of the invention, the hinge of the arranged on left and right sides of the pair of second connecting rod and described seat basin
The mode of connecing is：One end of one support plate is hinged with each second connecting rod, the other end of described support plate is fixing with described seat basin even
Connect.
Described support plate is L-shaped, and the wherein end of vertical section is hinged with the approximately mid way between of described second connecting rod, horizontal segment
It is welded to connect with described seat basin.
Due to employing technical scheme as above, difference with the prior art of the present invention and advantage are as follows：
1st, the motor driven output axostylus axostyle in motor drive mechanism makees straight reciprocating motion, and exports axostylus axostyle and be arranged on whole seat
The central point of chair frame assembly, rather than as the side that driving force is placed on chair framework in prior art, work as seat
When chair is loaded and adjusts, the power of this loading always with respect to synchronizing bar center oriented, therefore remaining parts do not need extra
Absorb and support moment, therefore improve robust motion and reliability, accomplish lightweight simultaneously.
2nd, the whole motor drive mechanism of the present invention is installed on present basin centre position, rather than as prior art, by seat
Pad adjusting means motor is arranged on the bottom of seat cushion framework by support, solves existing seat cushion adjusting means space hold big
Problem.Simultaneously because motor drive mechanism is installed and is followed a basin on present basin and move up and down, therefore do not exist known in the art can
The problem of movement dead can be had.
3rd, the linkage automatically adjusting used in the governor motion at seat cushion inclination angle of the present invention is divided into three parts, wherein
A part is located at whole chair framework assembly centre position, and remaining two-part structure is identical to be located at chair framework assembly respectively
Arranged on left and right sides is so that linkage arrangement simplifies, easier for installation.
4th, the connecting rod of the synchronizing bar arranged on left and right sides of the present invention is connected on a basin by support plate, increased a basin whole zero
The rigidity of part, makes a bearing capacity of basin front end higher.
Brief description
Fig. 1 is that in prior art, seat cushion framework assembly is supported on sliding rail rack assembly and seat cushion by forward and backward cursor
The view that the front end of frame assembly is raised above, rear end declines.
Fig. 2 is that in prior art, seat cushion framework assembly is supported on sliding rail rack assembly and seat cushion by forward and backward cursor
The view that the front end of frame assembly declines, rear end is raised above.
Fig. 3 is a kind of signal of the angle adjustment mechanism of seat cushion front end disclosed in China Patent Publication No. CN101638066A
Figure.
Fig. 4 is a kind of signal of the angle adjustment mechanism of seat cushion front end disclosed in China Patent Publication No. CN101919630A
Figure.
Fig. 5 is the exploded perspective view of the governor motion automatically adjusting seat cushion inclination angle of the present invention.
Fig. 6 is the structural representation of chair framework assembly of the present invention.
Fig. 7 automatically adjusts the connection diagram of each connecting rod in the governor motion at seat cushion inclination angle for the present invention.
Fig. 8 is the view that in chair framework assembly of the present invention, seat basin rises to extreme higher position.
Fig. 9 is the view that in chair framework assembly of the present invention, extreme lower position is down to by seat basin.
Specific embodiment
To further describe the present invention below in conjunction with the drawings and specific embodiments.
Referring to Fig. 5 and Fig. 6, the seat cushion framework assembly that in figure is given, including seat basin 100, seat cushion framework 200 and automatic tune
The governor motion at section seat cushion inclination angle.
Seat basin 100 rear end arranged on left and right sides is respectively fixed with a cursor 110,110a, cursor 110, the other end of 110a
It is hinged on seat cushion framework 200 by hinge pin 111,111a and hinge pin sleeve 112,112a respectively.So seat basin 100 can be around hinge
Pin 111,111a center spot wobble are so that the front end oscilaltion of seat basin 100.
The governor motion automatically adjusting seat cushion inclination angle includes a motor drive mechanism 310, and this motor drive mechanism 310 installs present basin
The centre position to the front of 100 bottom surfaces, is driven by motor 311 in motor drive mechanism 310 and carries out the output axostylus axostyle of straight reciprocating motion
312 is a screw mandrel, and this output axostylus axostyle 312 is placed exactly in the central point of whole seat cushion framework assembly.
In the end of this output axostylus axostyle 312, a connecting rod 320, connecting rod 320 are hinged with by hinge pin 321 and hinge pin sleeve 321a
The other end be provided with a semicircle prong 322, the internal diameter of semicircle prong 322 is suitable with the external diameter of synchronizing bar 330.Semicircle
Prong 322 pitches the centre position in synchronizing bar 330, forms the pin joint of connecting rod 320 and synchronizing bar 330.
At the left and right two ends of synchronizing bar 330 centered on pin joint with synchronizing bar 330 of connecting rod 320 the symmetrical company of being hinged with
Bar 340,340a, connecting rod 340, the other end of 340a are each hinged with connecting rod 350,350a, connecting rod by hinge pin 351,351a
350th, the other end of 350a is hinged on seat cushion framework 200 each via hinge pin 352,352a and hinge pin sleeve 353,353a,
In the middle of connecting rod 340,340a, position to the rear is hinged with a support plate each via hinge pin 341,341a and hinge pin sleeve 342,342a
360、360a.Support plate 360,360a are all L-shaped, wherein vertical section 361,361a end each with connecting rod 340,340a substantially
Centre position is hinged by hinge pin 341,341a and hinge pin sleeve 342,342a, horizontal segment 362,362a and seat basin 100 bottom surface
The left and right sides is welded to connect.
This specific embodiment is using its advantage of structure as above as previously mentioned.Here is not repeating.
Referring to Fig. 7, motor（In figure is not shown）When driving output axostylus axostyle 312 to carry out straight reciprocating motion, export axostylus axostyle 312
By connecting rod 320, synchronizing bar 330, connecting rod 340,340a, support plate 360,360a drive seat basin 100 together with cursor 110,110a
Central point around hinge pin 111,111a and hinge pin sleeve 112,112a swings up and down, because seat cushion framework 200 is fixing, connecting rod
350th, 350a follows connecting rod 340,340a around hinge pin 352,352a and hinge pin sleeve 353, the swing of 353a center.
Referring to Fig. 8, when motor 311 drives output axostylus axostyle 312 fully extended, output axostylus axostyle 312 pass through connecting rod 320, with
Step bar 330, connecting rod 340,340a, support plate 360,360a drive seat basin 100 are together with cursor 110,110a around hinge pin 111,111a
And the central point of hinge pin sleeve 112,112a is swung up leading extreme higher position, now the nose motion of seat basin 100 is to uppermost position in fig-ure.
Because seat cushion framework 200 is fixing, connecting rod 350,350a follow connecting rod 340,340a around hinge pin 352,352a and hinge pin sleeve
353rd, 353a center back swings.
Referring to Fig. 9, when motor 311 drives output axostylus axostyle 312 to be fully retracted, output axostylus axostyle 312 pass through connecting rod 320, with
Step bar 330, connecting rod 340,340a, support plate 360,360a drive seat basin 100 are together with cursor 110,110a around hinge pin 111,111a
And the central point swung downward of hinge pin sleeve 112,112a leads extreme lower position, now the nose motion of seat basin 100 is put to lowermost position.
Because seat cushion framework 200 is fixing, connecting rod 350,350a follow connecting rod 340,340a around hinge pin 352,352a and hinge pin sleeve
353rd, 353a center swings forward.
Claims (12)
1. automatically adjust the governor motion at seat cushion inclination angle it is characterised in that including：
Motor drive mechanism on one position to the front in the middle of the bottom surface being directly installed on a basin, this motor drive mechanism has motor and by described
Motor drive output axostylus axostyle for linear motion；Described output axostylus axostyle is placed exactly in the central point of whole seat cushion framework assembly；Institute
State motor to be directly anchored on position to the front in the middle of the bottom surface of a basin；
One synchronizing bar, it is hinged with the rear end of described output axostylus axostyle that this synchronizing bar passes through first connecting rod；
A pair of second connecting rod, one end of each second connecting rod is hinged on the end of described synchronizing bar, and the pair of second connecting rod is also
Hinged with the arranged on left and right sides of described seat basin；
A pair of third connecting rod, one end of each third connecting rod is hinged with the other end of the second connecting rod of homonymy, each third connecting rod
The other end hinged with described seat cushion framework；Each third connecting rod is located under described motor with the pin joint of described seat cushion framework
Side.
2. automatically adjust the governor motion at seat cushion inclination angle as claimed in claim 1 it is characterised in that described first connecting rod and institute
The pin joint stating synchronizing bar is located at the midpoint of described synchronizing bar, and the pair of second connecting rod is with described first connecting rod and synchronizing bar
Symmetrically it is hinged on the end at the left and right two ends of described synchronizing bar centered on pin joint.
3. automatically adjust the governor motion at seat cushion inclination angle as claimed in claim 1 it is characterised in that described first connecting rod one
End is hinged with one end of described output axostylus axostyle, and the other end is semicircle prong, the internal diameter of described semicircle prong and described synchronization
The external diameter of bar is suitable.
4. the governor motion automatically adjusting seat cushion inclination angle as described in claim 1 or 3 is it is characterised in that described output axostylus axostyle
For a screw mandrel.
5. automatically adjust the governor motion at seat cushion inclination angle as claimed in claim 1 it is characterised in that the pair of second connecting rod
Articulated manner with the arranged on left and right sides of described seat basin is：One end of one support plate, described support plate are hinged with each second connecting rod
The other end be fixedly connected with described seat basin.
6. automatically adjust the governor motion at seat cushion inclination angle as claimed in claim 5 it is characterised in that described support plate is L-shaped, its
The end of middle vertical section is hinged with the approximately mid way between of described second connecting rod, and horizontal segment is welded to connect with described seat basin.
7. seat cushion framework assembly, including seat basin, seat cushion framework and the governor motion automatically adjusting seat cushion inclination angle, after described seat basin
End arranged on left and right sides is respectively fixed with a cursor, and described cursor is hinged on described seat cushion framework；It is characterized in that, described
The governor motion automatically adjusting seat cushion inclination angle includes：
Motor drive mechanism on one position to the front in the middle of the bottom surface being directly installed on a basin, this motor drive mechanism has motor and by described
Motor drive output axostylus axostyle for linear motion；Described output axostylus axostyle is placed exactly in the central point of whole seat cushion framework assembly；Institute
State motor to be directly anchored on position to the front in the middle of the bottom surface of a basin；
One synchronizing bar, it is hinged with the rear end of described output axostylus axostyle that this synchronizing bar passes through first connecting rod；
A pair of second connecting rod, one end of each second connecting rod is hinged on the end of described synchronizing bar, and the pair of second connecting rod is also
Hinged with the arranged on left and right sides of described seat basin；
A pair of third connecting rod, one end of each third connecting rod is hinged with the other end of the second connecting rod of homonymy, each third connecting rod
The other end hinged with described seat cushion framework；Each third connecting rod is located under described motor with the pin joint of described seat cushion framework
Side.
8. seat cushion framework assembly as claimed in claim 7 it is characterised in that described first connecting rod and described synchronizing bar hinged
Point is located at the midpoint of described synchronizing bar, and the pair of second connecting rod is right centered on described first connecting rod with the pin joint of synchronizing bar
Claim to be hinged on the end at the left and right two ends of described synchronizing bar.
9. seat cushion framework assembly as claimed in claim 7 is it is characterised in that one end of described first connecting rod and described output shaft
One end of bar is hinged, and the other end is semicircle prong, and the internal diameter of described semicircle prong is suitable with the external diameter of described synchronizing bar.
10. the seat cushion framework assembly as described in claim 7 or 9 is it is characterised in that described output axostylus axostyle is a screw mandrel.
11. seat cushion framework assemblies as claimed in claim 7 are it is characterised in that the pair of second connecting rod and described seat basin
The articulated manner of arranged on left and right sides is：One end of one support plate, the other end of described support plate and institute are hinged with each second connecting rod
State a basin to be fixedly connected.
12. seat cushion framework assemblies as claimed in claim 11 it is characterised in that described support plate is L-shaped, the wherein end of vertical section
Portion is hinged with the approximately mid way between of described second connecting rod, and horizontal segment is welded to connect with described seat basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439673.2A CN103448577B (en) | 2013-09-24 | 2013-09-24 | Adjusting mechanism capable of automatically adjusting inclination angle of cushion, and cushion framework assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439673.2A CN103448577B (en) | 2013-09-24 | 2013-09-24 | Adjusting mechanism capable of automatically adjusting inclination angle of cushion, and cushion framework assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448577A CN103448577A (en) | 2013-12-18 |
| CN103448577B true CN103448577B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310439673.2A Active CN103448577B (en) | 2013-09-24 | 2013-09-24 | Adjusting mechanism capable of automatically adjusting inclination angle of cushion, and cushion framework assembly |
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| CN (1) | CN103448577B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9826841B2 (en) * | 2015-12-24 | 2017-11-28 | L&P Property Management Company | Chair back with adjustable lumbar support |
| CN107444200B (en) * | 2016-05-31 | 2020-05-08 | 长城汽车股份有限公司 | Sitting basin inclination angle adjusting mechanism for seat and seat |
| CN106379209B (en) * | 2016-09-08 | 2023-10-20 | 广州汽车集团零部件有限公司 | Automobile seat sitting basin assembly and automobile seat comprising same |
| CN106427712A (en) * | 2016-09-08 | 2017-02-22 | 广州汽车集团零部件有限公司 | Eight-way automobile electric seat framework and seat |
| CN107672486B (en) * | 2017-11-09 | 2023-08-25 | 湖北中航精机科技有限公司 | Electric seat and seat basin angle adjusting mechanism thereof |
| CN109094438A (en) * | 2018-07-12 | 2018-12-28 | 北京华北轻合金有限公司 | Magnesium alloy auto chair framework |
| CN113895330B (en) * | 2021-11-29 | 2024-03-08 | 安道拓(重庆)汽车部件有限公司 | Automobile seat framework with low sitting posture |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3471639B2 (en) * | 1998-12-17 | 2003-12-02 | ジョンソン コントロールズ オートモーティブ システムズ株式会社 | Lifter device for vehicle seat |
| JP2003040002A (en) * | 2001-07-26 | 2003-02-13 | Imasen Electric Ind Co Ltd | Up and down adjusting mechanism of seat |
| DE10226717B4 (en) * | 2002-06-14 | 2008-04-17 | C. Rob. Hammerstein Gmbh & Co. Kg | Frame of a motor vehicle seat with a seat support and a cushion support |
| DE102007026600B4 (en) * | 2007-06-05 | 2009-02-19 | Recaro Gmbh & Co. Kg | Vehicle seat, in particular motor vehicle seat |
| JP2009056951A (en) * | 2007-08-31 | 2009-03-19 | Shiroki Corp | Tilt mechanism |
| JP5082789B2 (en) * | 2007-11-16 | 2012-11-28 | アイシン精機株式会社 | Vehicle seat device |
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2013
- 2013-09-24 CN CN201310439673.2A patent/CN103448577B/en active Active
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Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 200120 Patentee after: Yanfeng Daotuo Ann seat Co. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 200120 Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
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Address after: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai 201300 Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |
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| CP03 | Change of name, title or address |