CN102551392A - Seat with cushion having adjustable length - Google Patents

Seat with cushion having adjustable length Download PDF

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Publication number
CN102551392A
CN102551392A CN2011103820206A CN201110382020A CN102551392A CN 102551392 A CN102551392 A CN 102551392A CN 2011103820206 A CN2011103820206 A CN 2011103820206A CN 201110382020 A CN201110382020 A CN 201110382020A CN 102551392 A CN102551392 A CN 102551392A
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CN
China
Prior art keywords
cushion
detector
length
cushion pad
movable member
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Granted
Application number
CN2011103820206A
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Chinese (zh)
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CN102551392B (en
Inventor
久野晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Boshoku Corp
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Toyota Boshoku Corp
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Publication date
Application filed by Toyota Boshoku Corp filed Critical Toyota Boshoku Corp
Publication of CN102551392A publication Critical patent/CN102551392A/en
Application granted granted Critical
Publication of CN102551392B publication Critical patent/CN102551392B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The invention provides a seat. The length of a cushion of the seat can be increased to an optimal state. The seat with the cushion having an adjustable length is provided with a buffer cushion (21) and a movable component (50). The movable component (50) utilizes an actuator to move back and forth to displace front part (22) of the buffer cushion (21), thereby changing the length of the cushion. A detector (70) is arranged in the side of the movable component (50). The detector utilizes a pressing action generated by the forward displacement of the front part (22) of the buffer cushion (21) that abuts against lower limbs of a seated person to stop the actuator (42).

Description

Cushion adjustable in length seat
Technical field
The present invention relates to a kind of cushion adjustable in length seat.
Background technology
At present, in cushion adjustable in length seat, for example, in patent documentation 1, disclose.
Wherein, through seated person operating operation portion the cushion length of Chain cushion is shortened in setting range and extend by Chain cushion.
That is, when the cushion length elongation that makes Chain cushion, through make the actuator action by seated person operating operation portion.
And the limit makes expansion link parts elongate edge forwards release roller and move it, and makes the cushion length elongation of Chain cushion thus.At this,, actuator is stopped through by seated person operating operation portion.
Patent documentation 1: japanese kokai publication hei 6-284940 communique
But; In the disclosed cushion adjustable in length seat, when making the cushion length elongation that is in the Chain cushion that shortens the position, seated person operating operation portion makes the actuator action in patent documentation 1; Make thus after the elongation of cushion length, must actuator stopped operating operation portion.Therefore, suppose seated person to the operation of operating portion in actuator stop to postpone, just be difficult to make the elongation of cushion length with the most suitable state.
Summary of the invention
The objective of the invention is to point in view of the above problems, provide a kind of cushion length elongation that can make Chain cushion to be the cushion adjustable in length seat of suitable state.
In order to solve above-mentioned problem; The cushion adjustable in length seat of one embodiment of the application's invention; Thereby possess cushion pad and utilize actuator forwards, backwards direction move the movable member that the front part direction displacement forwards, backwards that makes above-mentioned cushion pad changes cushion length, it is characterized in that
Dispose detector in above-mentioned movable member side, this detector utilization makes front part displacement forwards and the pressure action during with the lower limb butt of seated person of above-mentioned cushion pad, and above-mentioned actuator is stopped.
According to said structure, when the cushion length elongation that makes Chain cushion, seated person operating operation portion makes the actuator action.Thus, through before making movable member forwards and then make the front part displacement forwards of cushion pad, make the elongation of cushion length.
At this moment, detector utilize cushion pad front part and seated person the lower limb butt pressure and move, actuator is stopped.
Therefore, can avoid the delay that stops of actuator, can make the elongation of cushion length with the most suitable state.
In addition; Above-mentioned cushion adjustable in length seat also can constitute as follows; That is: the pressure action component is installed movably on movable member; Thereby the pressure of this pressure action component along the rear side of the front part of cushion pad and when utilizing the lower limb butt of above-mentioned cushion pad and seated person moves and makes the detector action, between above-mentioned movable member and above-mentioned pressure action component, is provided with the accommodation space of taking in above-mentioned detector.
In addition, in above-mentioned cushion adjustable in length seat, above-mentioned pressure action component also can be installed into and can rotate, thereby the pressure in order to the lower limb butt of above-mentioned cushion pad and seated person the time rotates and makes the detector action.
According to said structure, can be through detector being accommodated in the accommodation space between movable member and the pressure action component and detector is protected, and can prevent the misoperation of detector.
In addition, above-mentioned cushion adjustable in length seat also can constitute as follows, disposes a detector in the above-mentioned accommodation space between above-mentioned movable member and above-mentioned pressure action component that is:,
Above-mentioned pressure action component forms to have and equates with the width dimensions of the front part of cushion pad or tabular with growing crosswise of the approaching length dimension of above-mentioned width dimensions.
According to said structure, the pressure action component form have equate with the width dimensions of the front part of cushion pad or the length dimension approaching with it grow crosswise tabular.Therefore, though the lower limb of seated person be in the inclined left right part state or about the state that launches, the pressure attonity when the pressure action component also utilizes the lower limb butt of cushion pad and seated person is poorly moved.
Therefore, can be by the pressure of the lower limb butt of the front part of utilizing cushion pad and seated person and the pressure action component that moves poorly moves a detector attonity, need not dispose a plurality of detectors and get final product.
Description of drawings
Fig. 1 is for dissecing the side view of representing with the part of the Chain cushion of the cushion adjustable in length seat of embodiments of the invention 1;
Fig. 2 is configured in the sectional side view with the configuration status of movable member, actuator, pressure action component and the detector of the front part of the cushion pad of Chain cushion for expression;
Fig. 3 is the stereogram of the configuration status of movable member, pressure action component and the detector of the state of expression after will dissecing with the cushion pad of Chain cushion;
Fig. 4 is forwards released the sectional side view of the state that extends with the front part of the cushion pad of Chain cushion for expression.
Label declaration
10 Chain cushions
11 cushion frames
21 cushion pads
22 front part
42 actuators
43 motor
44 interlinked mechanisms
50 movable members
56 recesses
58 accommodation spaces
61 pressure action components
70 detectors
The specific embodiment
According to embodiment the mode that is used for embodiment of the present invention is described.
Embodiment 1
According to accompanying drawing embodiments of the invention 1 are described.
As shown in Figure 1, constitute vehicle seat used cushion adjustable in length seat 1 and possess Chain cushion 10 and regulate the backrest 2 of gradient with the movable back device capable of using (not shown) that is configured in the rear portion of this Chain cushion 10.
As depicted in figs. 1 and 2, Chain cushion 10 is that main body constitutes with cushion frame 11 with by the cushion pad 21 of epidermis 20 coverings.
As shown in Figure 2, front part 22 one of cushion pad 21 connect shape ground to be had and forms the corrugated crooked follower 23 in lateral section in order to improve bendability and from the downward extended leading section 24 of the leading section of this bending follower 23.
In addition, as shown in Figure 3, gasket material is removed with the state of residual epidermis by one in the left and right sides of leading section 24.And, at the inner face of the epidermis part 20a that residues in left and right sides portion, utilize hook part (clip), bonding agent etc. to be fixed with the slide mass 33 that plane section is U word, コ word shape, J word shape etc.
Slide mass 33 about these embeds the both ends 32a of sliding bottom 32 slidably.
Sliding bottom 32 can be fixed on the following movable member (movable framework) 50, also can be fixed in addition on the support unit (not shown) with movable member 50 splits.
As shown in Figure 2; Below the front part 22 of cushion pad 21, possess: actuator 42, the minimum that formation can be represented with solid line in the drawings shorten the drive unit that the cushion length that makes cushion pad 21 between the maximum elongation position of representing with double dot dash line among position and the figure changes; And movable member 50.
Actuator 42 is made up of the interlinked mechanism that moves as drive source with motor (reversible motor) 43 44, and the action leading section of interlinked mechanism 44 is connected with movable member 50 and makes movable member 50 is center direction rotation forwards, backwards with the axle 52 of its underpart.
As interlinked mechanism 44, can use the plural combined mechanism of linkage, gear mechanism, slide block mechanism etc. or these mechanisms.
As shown in Figures 2 and 3, with regard to movable member 50, its bottom can be that the center is installed in rotationally from cushion frame 11 extended carriages 12 with axle 52.
In addition, movable member 50 possess integratedly have equate with the width dimensions of the front part 22 of cushion pad 21 or the preceding board 53 of approaching with it width dimensions, certainly should before the top edge of board 53 towards the rear and be bent into axle 52 be the back side (lower surface) of center the circular-arc front part 22 that supports cushion pad 21 cushions support portion 54, and be bent into rectangular-shaped left and right sides board 55 towards the rear from the edge, the left and right sides of preceding board 53.
And with regard to movable member 50, the bottom of its left and right sides board 55 is that the center can be installed on the carriage 12 of cushion frame 11 rotationally with axle 52.
Dispose detector 70 in movable member 50 sides, this detector 70 utilizes front part 22 displacement forwards that makes cushion pad 21 and pressure during with the lower limb A butt of seated person and moving, and the motor 43 as the drive source of actuator 42 is stopped.As this detector 70, can use for example push-on switch.
As shown in Figure 2; Top at the preceding board 53 of movable member 50 is formed with recess 56; Open front portion at this recess 56 is equipped with pressure action component 61, this pressure action component 61 along the rear side of the front part 22 of cushion pad 21 and utilize cushion pad 21 when the lower limb A butt of epidermis 20 and seated person pressure and make action piece 71 actions of detector 70.
In addition, pressure action component 61 constitutes the accommodation space 58 of detector 70 with recess 56 cooperations, and is that the center is installed into and can rotates in its underpart with pin 62.
In addition, towards with the reset position (position of readiness) of block 66 butts, utilize 65 pairs of pressure action component 61 application of forces of back-moving spring.
In present embodiment 1, pressure action component 61 form have equate with the width dimensions of the front part 22 of cushion pad 21 or approaching with it length dimension grow crosswise tabular.
In addition, in present embodiment 1, a detector 70 is installed in the bottom surface of recess 56 that constitutes the movable member 50 of accommodation spaces 58 with pressure action component 61 cooperation.
Detector 70 is connected with the control device 80 of the motor 43 of control actuator 42.In addition, cushion adjustable in length seat 1 dispose console switch (operating portion) 81 (with reference to Fig. 2) on the exercisable position by seated person, this console switch (operating portion) 81 is connected with control device 80 and motor 43 is just being changeed and reverses.
The cushion adjustable in length seat of present embodiment 1 constitutes as stated.
Therefore; During elongation, seated person operating operation switch 81 makes the motor 43 of actuator 42 rotate to a direction (for example positive direction) to the cushion length that makes the Chain cushion 10 that is disposed at the shortening position of representing with solid line among Fig. 2 as representing with double dot dash line among Fig. 2.So, utilize interlinked mechanism 44, movable member 50 is to advance around being rotated counterclockwise the direction rotation towards Fig. 2 in the center with axle 52.
Thus, front part 22 displacement forwards of cushion pad 21 makes the elongation of cushion length.
At this moment, as shown in Figure 4, the front part (part of epidermis 20) 22 of utilizing cushion pad 21 pushes the action piece 71 of detector 70 and makes its action with the pressure of lower limb (mainly being the calf part) the A butt of seated person, and the motor 43 of actuator 42 is stopped.
Therefore, compare with the existing situation of utilizing manual operation that motor is stopped, avoided promoters 42 motor 43 stop to postpone, can under the most suitable state, make the elongation of cushion length.
In addition, owing to can in the accommodation space 58 between movable member 50 and the pressure action component 61, take in and protect detector 70, therefore can prevent the misoperation of detector 70.For detector 70,, also can not be located in the accommodation space 58 between movable member 50 and the pressure action component 61 so long as pressure action component 61 is can acting position then passable everywhere.
In addition; Pressure action component 61 form have equate with the width dimensions of the front part 22 of cushion pad 21 or approaching with it length dimension grow crosswise tabular; Even so the lower limb A of seated person be in the inclined left right part state, or about the state that launches, the pressure attonity of the front part 22 of pressure action component 61 cushion pad 21 also capable of using during with the lower limb A butt of seated person poorly moved.Therefore, detector 70 attonitys are poorly moved, need not to dispose a plurality of detectors and get final product.
For Chain cushion 10, also can configuration detection have or not the seated person of seated person that sensorless is arranged, and have sensorless to be connected this seated person with control device.
And; Also can constitute as follows: detecting under the state that does not have seated person; Even operating operation switch (operating portion); The motor 43 of actuator 42 also remains on halted state, detecting under the state that has seated person, but operating operation switch (operating portion) makes motor 43 actions (rotating) of actuator 42.
In addition, also can constitute as follows, that is: leave under the situation of cushion adjustable in length seat at seated person; Utilizing seated person to have sensorless to detect does not have seated person to exist; Thereby make motor 43 counter-rotatings of actuator 42, shown in solid line among Fig. 2, movable framework 51 is reset to retreat end position.
The present invention is not limited to the foregoing description 1, as long as in the scope that does not break away from purport of the present invention, also can implement in every way.
For example, in the foregoing description 1, illustration rotate and can change the structure of cushion length through movable member 50, but the mechanism that also can adopt disclosed scalable cushion length in the japanese kokai publication hei 6-284940 communique.In the seat unit disclosed herein, can make the cushion variable-length through the movable member linear telescopic.
In addition, for example, in the foregoing description 1, illustration pressure action component 61 is made as rotating situation, but but also can pressure action component 61 be made as linear slide action.In this case, the pressure in the time of can utilizing cushion pad 21 via the lower limb A butt of epidermis 20 and seated person carries out straight line through pressure action component 61 and moves action piece 71 actions that make detector 70.
For example, in the foregoing description 1, illustration in the bottom surface of the recess 56 of movable member 50 situation of detector 70 is installed, but also can be at the inner face installation and measuring device 70 of pressure action component 61.

Claims (4)

1. cushion adjustable in length seat, thus possess cushion pad and utilize actuator forwards, backwards direction move the movable member that the front part direction displacement forwards, backwards that makes above-mentioned cushion pad changes cushion length, it is characterized in that,
Dispose detector in above-mentioned movable member side, this detector utilization makes front part displacement forwards and the pressure action during with the lower limb butt of seated person of above-mentioned cushion pad, and above-mentioned actuator is stopped.
2. cushion adjustable in length seat according to claim 1 is characterized in that,
The pressure action component is installed on movable member movably, thus this pressure action component along the rear side of the front part of cushion pad and the pressure when utilizing the lower limb butt of said cushion pad and seated person move and make the detector action,
Between said movable member and said pressure action component, be provided with the accommodation space of taking in said detector.
3. cushion adjustable in length seat according to claim 2 is characterized in that,
Said pressure action component is installed into and can rotates, thereby the pressure when utilizing the lower limb butt of said cushion pad and seated person rotates and makes the detector action.
4. according to claim 2 or 3 described cushion adjustable in length seats, it is characterized in that,
Dispose a detector in the said accommodation space between said movable member and said pressure action component,
Said pressure action component forms to have and equates with the width dimensions of the front part of cushion pad or tabular with growing crosswise of the approaching length dimension of said width dimensions.
CN201110382020.6A 2010-11-25 2011-11-25 Seat with cushion having adjustable length Expired - Fee Related CN102551392B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-262166 2010-11-25
JP2010262166A JP5589798B2 (en) 2010-11-25 2010-11-25 Cushion length variable seat

Publications (2)

Publication Number Publication Date
CN102551392A true CN102551392A (en) 2012-07-11
CN102551392B CN102551392B (en) 2015-03-11

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CN (1) CN102551392B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105919328A (en) * 2016-05-30 2016-09-07 陈敏 Seat with adjustable seat cushion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101562741B1 (en) 2014-05-08 2015-10-23 현대다이모스(주) Seat cushion for vehicle
DE102017204894A1 (en) * 2017-03-23 2018-09-27 Airbus Operations Gmbh Passenger seat with an expandable seat element and passenger cabin area

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625712A1 (en) * 1988-01-13 1989-07-13 Fiat Auto Spa Adjustable seat for vehicles, particularly for motor vehicles
US5288127A (en) * 1993-01-19 1994-02-22 Berg Joseph A Rocking seat
JPH06284940A (en) * 1993-03-31 1994-10-11 Mazda Motor Corp Seat device for vehicle
JPH0736779B2 (en) * 1991-06-26 1995-04-26 株式会社岡村製作所 Chair
CN2358760Y (en) * 1998-12-25 2000-01-19 曹子文 Seat cushion and back rest regulator for chair
CN1277543A (en) * 1997-10-24 2000-12-20 斯特尔凯斯公司 Synchronized reclining seat with adjustable seat, back and power mechanism
CN1794932A (en) * 2003-05-23 2006-06-28 曼普拉斯有限公司 Chair with automatci regulated back
CN101386277A (en) * 2007-09-13 2009-03-18 C.劳勃.汉默斯坦两合有限公司 Vehicle seat with adjustable seat depth
JP2009066180A (en) * 2007-09-13 2009-04-02 Nhk Spring Co Ltd Ottoman equipment
CN101443236A (en) * 2006-05-11 2009-05-27 泰科尼康国际管理服务有限公司 Improved chair
JP4341669B2 (en) * 2006-11-06 2009-10-07 パナソニック電工株式会社 Chair with ottoman
JP4438556B2 (en) * 2004-08-06 2010-03-24 トヨタ紡織株式会社 Vehicle seat with variable seat cushion length

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625712A1 (en) * 1988-01-13 1989-07-13 Fiat Auto Spa Adjustable seat for vehicles, particularly for motor vehicles
JPH0736779B2 (en) * 1991-06-26 1995-04-26 株式会社岡村製作所 Chair
US5288127A (en) * 1993-01-19 1994-02-22 Berg Joseph A Rocking seat
JPH06284940A (en) * 1993-03-31 1994-10-11 Mazda Motor Corp Seat device for vehicle
CN1277543A (en) * 1997-10-24 2000-12-20 斯特尔凯斯公司 Synchronized reclining seat with adjustable seat, back and power mechanism
CN2358760Y (en) * 1998-12-25 2000-01-19 曹子文 Seat cushion and back rest regulator for chair
CN1794932A (en) * 2003-05-23 2006-06-28 曼普拉斯有限公司 Chair with automatci regulated back
JP4438556B2 (en) * 2004-08-06 2010-03-24 トヨタ紡織株式会社 Vehicle seat with variable seat cushion length
CN101443236A (en) * 2006-05-11 2009-05-27 泰科尼康国际管理服务有限公司 Improved chair
JP4341669B2 (en) * 2006-11-06 2009-10-07 パナソニック電工株式会社 Chair with ottoman
CN101386277A (en) * 2007-09-13 2009-03-18 C.劳勃.汉默斯坦两合有限公司 Vehicle seat with adjustable seat depth
JP2009066180A (en) * 2007-09-13 2009-04-02 Nhk Spring Co Ltd Ottoman equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105919328A (en) * 2016-05-30 2016-09-07 陈敏 Seat with adjustable seat cushion
CN105919328B (en) * 2016-05-30 2018-11-06 中山市思尚家具有限公司 A kind of cushion adjustable chair

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Publication number Publication date
CN102551392B (en) 2015-03-11
JP5589798B2 (en) 2014-09-17
JP2012111362A (en) 2012-06-14

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Granted publication date: 20150311

Termination date: 20201125