CN104939560A - Damping adjusting device for chair seat of seat-back linkage chair - Google Patents
Damping adjusting device for chair seat of seat-back linkage chair Download PDFInfo
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- CN104939560A CN104939560A CN201510136703.1A CN201510136703A CN104939560A CN 104939560 A CN104939560 A CN 104939560A CN 201510136703 A CN201510136703 A CN 201510136703A CN 104939560 A CN104939560 A CN 104939560A
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- 238000013016 damping Methods 0.000 title claims abstract description 79
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008844 regulatory mechanism Effects 0.000 description 12
- 230000005484 gravity Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a damping adjusting device for a chair seat of a seat-back linkage chair. The damping adjusting device is arranged in a base of the linkage chair. The damping adjusting device comprises a damping adjusting substrate, an L-shaped plate, an L-shaped plate driving device and springs, wherein one ends of the springs are fixed at the front end of the chair seat, and the other ends of the springs are connected with the damping adjusting substrate; the damping adjusting substrate is in sliding connection with the base; the L-shaped plate comprises a transverse arm and a vertical arm, the joint between the transverse arm and the vertical arm is hinged with the base, a free end of the transverse arm is hinged with the damping adjusting substrate, the L-shaped plate rotates by taking a hinging point at the joint between the transverse arm and the vertical arm as a pivot, and a free end of the vertical arm is driven to rotate by the L-shaped plate driving device and drives the damping adjusting substrate to move through the transverse arm. A damping adjusting mechanism is arranged to adjust the original state of the springs so as to regulate the magnitude of a restoring force borne by the chair seat in a tipping process of a backrest, so that the chair can meet requirements of people of different sizes.
Description
Technical field
The present invention relates to a kind of auxiliary body of chair, particularly relate to the damping adjustment device of a kind of back of the body interlock chair seat support.
Background technology
Office chair is as office accommodation important in routine office work life, and the level of comfort of chair is directly connected to the quality of working life of people.The a lot of office chair in current market adopts universal chassis, because the man-machine size matching relationship of backrest and seat surface is without fastidious, user is in reclining process, backrest particularly Lumbar departs from human body waist, the two directly forms unsettled gap, causing seat under reclining state to lose the support to human body waist, is exactly " the race waist " that we are commonly called as, and human spine can not get effectively supporting the health problem causing many sittings; Meanwhile, owing to adopting universal chassis, the man-machine size matching relationship of backrest and seat surface is without fastidious, user is in reclining process, and buttocks is relative with seat surface fixing, and the relative human body back of backrest upwards rubs, cause the uncomfortable property of " clothes is pulled in chopping ", also cause indecency perception.In addition, user is in reclining process, and along with the layback of backrest, the center of gravity of human body, also with moving the carrying center of gravity departing from seat afterwards, easily overturning occurring, there is potential danger.
For the above-mentioned defect of office chair existence in the market, a kind of seat back of the body of applicant's new invention interlock chair as shown in Figure 1, comprise the handrail 400 of base 100, seat support 200, backrest 300 and seat support 200 both sides, described handrail 400 is rigidly connected with base 100, and described backrest 300 left and right sides is hinged with two handrails 400 respectively; Described seat support 200 comprises the mounting 201 assembling cushion and the slide plate 203 be slidably connected with base 100, is provided with a support 202 in the rear end of mounting 201, and axisymmetricly, the two ends of support 202 are hinged with backrest 300 left and right sides respectively for this support.Mounting 201 front end and slide plate 203 hinged, and mounting 201 and slide plate 203 rotate time around at backrest 300 and are synchronized with the movement, and are provided with the extension spring that slide plate 203 is resetted in base 100.Any angle of this interlock chair in backrest 300 reclining process, backrest 300 is close to human body back all the time and is not subjected to displacement, and comfortableness is strong; Simultaneously due to while leaning on after backrest, seat support conveying human body moves forward, and appropriateness is supplemented the center of gravity that reclining brings backward and retrodeviated unstable problem.
But this interlock chair due to the extension spring arranged be uncontrollable, and the build of people, weight etc. differ, and in actual use, the people that body weight is large can feel that the restoring force of extension spring is too small, and in reclining process, easily reclining is suddenly excessive, and overturning even occurs; And the light people of body weight easily feels that the restoring force of extension spring is excessive, need to apply larger power to backrest in reclining process, rest effect is had an impact.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide the damping adjustment device of a kind of back of the body interlock chair seat support, by arranging damper regulation mechanism in order to regulate the original state of extension spring, thus regulate backrest in reclining process, the size of the restoring force that seat support is subject to, thus make chair can adapt to different building shape Man's Demands.
In order to realize above-mentioned object, present invention employs following technical scheme:
The damping adjustment device of a kind of back of the body interlock chair seat support, described damping adjustment device is arranged in the base of interlock chair, damping adjustment device comprises damping and regulates substrate, L-type plate, L-type plate drive unit and extension spring, described extension spring one end is fixed on seat support front end, the other end and the damping of extension spring regulate substrate to be connected, damping regulates substrate to be connected with base sliding, described L-type plate comprises transverse arm and vertical arm, junction and the base of transverse arm and vertical arm are hinged, the free end of transverse arm and damping regulate substrate hinged, L-type plate with the pin joint of its two-arm junction for fulcrum, the free end of vertical arm rotates and regulates substrate to move by transverse arm band dynamic damping under the driving of L-type plate drive unit.By arranging damper regulation mechanism in order to regulate the original state (i.e. initial length/pretightning force/initial elastic force etc.) of extension spring, thus regulate backrest in reclining process, the size of the restoring force that seat support is subject to, thus make chair can adapt to different building shape Man's Demands.
As preferred embodiment, described L-type plate drive unit comprises damping regulating handle, described damping regulating handle inserted base sidewall and rotate with base side wall circumference, axial restraint is connected, the damping regulating handle section of being threaded also is arranged with damping nut on thread segment, the vertical arm of described damping nut and L-type plate is affixed, in the process that damping regulating handle circumference is rotated, damping nut is moved and promotes L-type plate with the pin joint of its two-arm junction for fulcrum synchronous axial system.
As preferred embodiment, be provided with barricade in described base, damping regulating handle is connected on barricade through after the sidewall of base, and by arranging, jump ring makes the rotation of damping regulating handle circumferential direction, axial direction is fixed.
As preferred embodiment, described damping regulates on substrate and offers at least two sliding rails, base is provided with the axis of guide matched with sliding rail.Arrange sliding rail and the axis of guide, make damper regulation mechanism in the process regulating extension spring original state, damping regulates substrate along the orbital motion of setting, thus avoids the problems such as extension spring twists.
As preferred embodiment, on described L-type plate two-arm junction by one of them axis of guide and base hinged.
As preferred embodiment, described sliding rail has three, and three sliding rails lay respectively at both sides and the centre that damping regulates substrate, described base are provided with three axis of guides matched with three sliding rails.Set three sliding rails to coordinate with three axis of guides, further enhance control damping being regulated to substrate running orbit.
As preferred embodiment, described damping regulates the both sides of substrate rear end to be provided with two extension spring holders, and described extension spring has two, and the other end of two extension springs is connected with two extension spring holders respectively.
Compared with prior art, the invention has the beneficial effects as follows: by arranging damper regulation mechanism in order to regulate the original state of extension spring, thus regulate backrest in reclining process, the size of the restoring force that seat support is subject to, thus make chair can adapt to different building shape Man's Demands.
Accompanying drawing explanation
Fig. 1 is the structural representation of seat back of the body interlock chair in background technology.
Fig. 2 is the structural representation of damper regulation mechanism and base in embodiment.
Fig. 3 is the explosive view of damper regulation mechanism in embodiment.
Fig. 4 is the explosive view at another visual angle of damper regulation mechanism in embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
The damping adjustment device of as shown in Figure 2 to 4 a kind of back of the body interlock chair seat support, described damper regulation mechanism 500 is arranged in base 100, and damper regulation mechanism 500 is for regulating extension spring 205 original state.
Damper regulation mechanism 500 comprises damping and regulates substrate 510, L-type plate 520 and L-type plate drive unit 530.Described extension spring 205 has two, is arranged at the left and right sides of damper regulation mechanism 500 respectively.The lower surface of seat support front end being provided with extension spring pedestal 208, two extension spring 205 one end is fixed on extension spring pedestal 208; Damping regulates the both sides of substrate 510 rear end to be provided with two extension spring holders 512, and be provided with bearing pin in extension spring holder 512, the other end of two extension springs 205 is articulated on the bearing pin of two extension spring holders 512.Damping regulates substrate 510 and base 100 to be slidably connected, and regulates on substrate 510 offer both sides and the centre that three sliding rails, 511, three sliding rails 511 lay respectively at damping adjustment substrate 510 in damping.Base 100 is provided with three axis of guides 103 matched with sliding rail 511.Arrange sliding rail 511 and the axis of guide 103, make damper regulation mechanism 500 in the process regulating extension spring 205 original state, damping regulates substrate 510 along the orbital motion of setting, thus avoids the problems such as extension spring 205 twists.
Described L-type plate 520 comprises transverse arm 521 and vertical arm 522, and a certain axis of guide 103 being positioned at side on the junction of transverse arm 521 and vertical arm 522 and base 100 is hinged, and the free end of transverse arm 521 and damping regulate substrate 510 hinged.Described L-type plate drive unit 530 comprises damping regulating handle 531, damping regulating handle 531 section of being threaded 532, described damping regulating handle 531 penetrates the sidewall 101 of base 100 and is arranged on the barricade 102 of base 100 inside, the damping regulating handle 531 between sidewall 101 and barricade 102 is made to be thread segment 532, jump ring 534 is set by the two ends being close to sidewall 101 and barricade 102 on thread segment 532, such that damping regulating handle 531 circumferential direction is rotated, axial direction fixes.Thread segment 532 between sidewall 101 and barricade 102 is also arranged with damping nut 533, is close to damping nut 533 and is provided with push pedal, and the vertical arm 522 of this push pedal and L-type plate 520 is affixed.In the process that damping regulating handle 531 circumference is rotated, damping nut 533 drives push pedal activity, push pedal promotes the vertical arm 522 of L-type plate 520, makes L-type plate 520 with the pin joint of its two-arm junction for fulcrum, and then makes the transverse arm 521 of L-type plate 520 be with dynamic damping to regulate substrate 510 to move.
Above content described in this description is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of description of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (7)
1. the damping adjustment device of a seat back of the body interlock chair seat support, it is characterized in that: described damping adjustment device (500) is arranged in the base (100) of interlock chair, damping adjustment device (500) comprises damping and regulates substrate (510), L-type plate (520), L-type plate drive unit (530) and extension spring (205), described extension spring (205) one end is fixed on seat support front end, the other end and the damping of extension spring (205) regulate substrate (510) to be connected, damping regulates substrate (510) and base (100) to be slidably connected, described L-type plate (520) comprises transverse arm (521) and vertical arm (522), junction and the base (100) of transverse arm (521) and vertical arm (522) are hinged, the free end of transverse arm (521) and damping regulate substrate (510) hinged, L-type plate (520) with the pin joint of its two-arm junction for fulcrum, the free end of vertical arm (522) rotates and passes through transverse arm (521) band dynamic damping and regulates substrate (510) mobile under the driving of L-type plate drive unit (530).
2. the damping adjustment device of a kind of back of the body interlock chair seat support according to claim 1, it is characterized in that: described L-type plate drive unit (530) comprises damping regulating handle (531), the sidewall (101) of described damping regulating handle (531) inserted base (100) also rotates with sidewall (101) circumference of base (100), axial restraint connects, damping regulating handle (531) section of being threaded (532) is also arranged with damping nut (533) on thread segment (532), described damping nut (533) is affixed with the vertical arm (522) of L-type plate (520), in the process that damping regulating handle (531) circumference is rotated, damping nut (533) is moved and promotes L-type plate (520) with the pin joint of its two-arm junction for fulcrum synchronous axial system.
3. the damping adjustment device of a kind of back of the body interlock chair seat support according to claim 2, it is characterized in that: in described base (100), be provided with barricade (102), damping regulating handle (531) is connected on barricade (102) through after the sidewall (101) of base (100), and by arranging, jump ring (534) makes the rotation of damping regulating handle (531) circumferential direction, axial direction is fixed.
4. the damping adjustment device of a kind of back of the body interlock chair seat support according to claim 3, it is characterized in that: described damping regulates on substrate (510) and offers at least two sliding rails (511), base (100) is provided with the axis of guide (103) matched with sliding rail (511).
5. the damping adjustment device of a kind of back of the body interlock chair seat support according to claim 4, is characterized in that: the junction of the upper two-arm of described L-type plate (520) is hinged by one of them axis of guide (103) and base (100).
6. the damping adjustment device of a kind of back of the body interlock chair seat support according to claim 5, it is characterized in that: described sliding rail (511) has three, article three, sliding rail (511) lays respectively at both sides and the centre that damping regulates substrate (510), described base (100) is provided with three axis of guides (103) matched with three sliding rails (511).
7. the damping adjustment device of a kind of back of the body interlock chair seat support according to claim 6, it is characterized in that: described damping regulates the both sides of substrate (510) rear end to be provided with two extension spring holders (512), described extension spring (205) has two, and the other end of two extension springs (205) is connected with two extension spring holders (512) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136703.1A CN104939560B (en) | 2015-03-26 | 2015-03-26 | A kind of damping adjustment device of back linkage chair seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136703.1A CN104939560B (en) | 2015-03-26 | 2015-03-26 | A kind of damping adjustment device of back linkage chair seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104939560A true CN104939560A (en) | 2015-09-30 |
| CN104939560B CN104939560B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510136703.1A Active CN104939560B (en) | 2015-03-26 | 2015-03-26 | A kind of damping adjustment device of back linkage chair seat |
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| Country | Link |
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| CN (1) | CN104939560B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106165986A (en) * | 2016-08-27 | 2016-11-30 | 永艺家具股份有限公司 | The damper regulation mechanism of a kind of back of the body linkage chair and base linkage mechanism |
| CN106419239A (en) * | 2016-08-27 | 2017-02-22 | 永艺家具股份有限公司 | Adjustment structure of damping mechanism of seat back linked chair |
| CN106690960A (en) * | 2017-02-27 | 2017-05-24 | 浙江科技学院 | Seat tray capable of automatically adjusting rigidity of backrest |
| CN106820715A (en) * | 2017-02-27 | 2017-06-13 | 浙江科技学院 | A kind of seat tray |
| CN106937798A (en) * | 2017-02-27 | 2017-07-11 | 浙江科技学院 | A kind of seat tray for automatically adjusting backrest rigidity |
| CN113229655A (en) * | 2021-04-22 | 2021-08-10 | 安吉德卡办公系统有限公司 | Chair seat mechanism |
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| CN201700756U (en) * | 2010-04-12 | 2011-01-12 | 陈千奎 | Chair chassis with seat capable of being adjusted back and forth |
| CN202392027U (en) * | 2011-09-09 | 2012-08-22 | 深圳迈瑞生物医疗电子股份有限公司 | Damper guiding rod and spring damper |
| CN103082701A (en) * | 2011-10-28 | 2013-05-08 | 北京世博金属制品有限公司 | Automatic closing system used for movable furniture cupboard parts |
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| CN104088953A (en) * | 2014-06-30 | 2014-10-08 | 张世亮 | Magnetorheological damper with adjustable piston net cross section area |
| CN204181248U (en) * | 2014-09-18 | 2015-03-04 | 浙江永艺家具股份有限公司 | For the chair back wane lock mechanism of Revolving chair chassis |
| CN204635646U (en) * | 2015-03-26 | 2015-09-16 | 浙江永艺家具股份有限公司 | The damping adjustment device of a kind of back of the body interlock chair seat support |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3390857A (en) * | 1965-06-09 | 1968-07-02 | Nordpatent Ab | Resilient car-seat carriage |
| US4640488A (en) * | 1985-01-09 | 1987-02-03 | Tachikawa Spring Co., Ltd. | Seat suspension |
| CN1984583A (en) * | 2004-06-14 | 2007-06-20 | 维特拉专利股份公司 | Seat with synchronous mechanism |
| CN2886203Y (en) * | 2006-03-28 | 2007-04-04 | 盐城市宏达人工环境工程有限公司 | Adjustable damping spring shock absorber |
| CN201700756U (en) * | 2010-04-12 | 2011-01-12 | 陈千奎 | Chair chassis with seat capable of being adjusted back and forth |
| CN202392027U (en) * | 2011-09-09 | 2012-08-22 | 深圳迈瑞生物医疗电子股份有限公司 | Damper guiding rod and spring damper |
| CN103082701A (en) * | 2011-10-28 | 2013-05-08 | 北京世博金属制品有限公司 | Automatic closing system used for movable furniture cupboard parts |
| CN203580714U (en) * | 2013-12-13 | 2014-05-07 | 宁波明望汽车饰件有限公司 | Shock attenuation mechanism for automobile seat |
| CN103836102A (en) * | 2014-03-29 | 2014-06-04 | 金丽秋 | Spring assembly with limiting function |
| CN104088953A (en) * | 2014-06-30 | 2014-10-08 | 张世亮 | Magnetorheological damper with adjustable piston net cross section area |
| CN204181248U (en) * | 2014-09-18 | 2015-03-04 | 浙江永艺家具股份有限公司 | For the chair back wane lock mechanism of Revolving chair chassis |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106165986A (en) * | 2016-08-27 | 2016-11-30 | 永艺家具股份有限公司 | The damper regulation mechanism of a kind of back of the body linkage chair and base linkage mechanism |
| CN106419239A (en) * | 2016-08-27 | 2017-02-22 | 永艺家具股份有限公司 | Adjustment structure of damping mechanism of seat back linked chair |
| CN106419239B (en) * | 2016-08-27 | 2023-12-26 | 永艺家具股份有限公司 | Adjusting structure of seat back linkage chair damping mechanism |
| CN106690960A (en) * | 2017-02-27 | 2017-05-24 | 浙江科技学院 | Seat tray capable of automatically adjusting rigidity of backrest |
| CN106820715A (en) * | 2017-02-27 | 2017-06-13 | 浙江科技学院 | A kind of seat tray |
| CN106937798A (en) * | 2017-02-27 | 2017-07-11 | 浙江科技学院 | A kind of seat tray for automatically adjusting backrest rigidity |
| CN106690960B (en) * | 2017-02-27 | 2024-04-30 | 浙江科技学院 | Seat tray with automatically-adjusted backrest rigidity |
| CN113229655A (en) * | 2021-04-22 | 2021-08-10 | 安吉德卡办公系统有限公司 | Chair seat mechanism |
| CN113229655B (en) * | 2021-04-22 | 2022-01-21 | 安吉德卡办公系统有限公司 | Chair seat mechanism |
Also Published As
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|---|---|
| CN104939560B (en) | 2019-02-01 |
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Denomination of invention: Damping adjusting device for seat back linkage chair seat Effective date of registration: 20210914 Granted publication date: 20190201 Pledgee: China Co. truction Bank Corp Anji branch Pledgor: UE FURNITURE Co.,Ltd. Registration number: Y2021330001547 |
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Denomination of invention: Damping adjustment device for seat back linkage seat Effective date of registration: 20221227 Granted publication date: 20190201 Pledgee: Anji Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: UE FURNITURE Co.,Ltd. Registration number: Y2022330003710 |
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