CN104799597B - Mechanical linkage device of sofa - Google Patents
Mechanical linkage device of sofa Download PDFInfo
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- CN104799597B CN104799597B CN201510117382.0A CN201510117382A CN104799597B CN 104799597 B CN104799597 B CN 104799597B CN 201510117382 A CN201510117382 A CN 201510117382A CN 104799597 B CN104799597 B CN 104799597B
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- sofa
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 7
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- 230000006378 damage Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
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- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a mechanical linkage device of a sofa. The mechanical linkage device has three working states, namely, a closed state, a stretched state and a reclined state and mainly structurally comprises a foot rest bar assembly, a cushion mounting piece, a base mounting piece and a mechanism movement assembly, wherein the foot rest bar assembly is formed by hinging multiple foot rest bars and multiple foot bars, and the back end of the foot rest bar assembly is hinged to the front end of the cushion mounting piece and the front end of the mechanism movement assembly respectively; an arc-shaped surface is arranged at the front end of the base mounting piece, and a third fixing shaft is arranged at the front end of the mechanism movement assembly and is always tangent to the arc-shaped surface during movement of the mechanical linkage device of the sofa; a second fixing shaft is arranged at the front end of the cushion mounting piece and contacted with the mechanism movement assembly when the mechanical linkage device of the sofa is in the reclined state; a U-shaped groove and a first fixing shaft are also arranged at the back end of the mechanism movement assembly, and the first fixing shaft is located in the U-shaped groove when the mechanical linkage device of the sofa is in the stretched state.
Description
Technical field
The invention belongs to technical field of furniture, more particularly to a kind of sofa mechanical linkage.
Background technology
At present the sofa mechanical linkage on China's sofa market is all that handle or pullswitch mode are opened, so
Result in, when people are sat on sofa, Jing will often look for handle position or pullswitch position, or even sometimes, because
For trigger switch button unintentionally, cause sofa mechanical linkage to be opened, and cause injury.So that there is one kind not in sofa
Safety factor is inside.
Occur in that another promotes the sofa of mechanical linkage by human body back on market, but due to this planting sand
The mechanical linkage simple structure sent out, when it is closed, when backrest is subject to the unstable active force of human body, backrest meeting
Generation is rocked, when people leans against, it is impossible to enough stable rests, and is lifted after footrest, when footrest is subject to lower pressure, meeting at foot-rest
Produce the action of closure.And this action occur after after, make sofa mechanical linkage by closing, stretch, lift three kinds of steps
It is rapid chaotic, mechanical linkage is normally run.The use demand of people can not so be met.
The content of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of sofa mechanical linkage, this dress
Put in closed state, the 3rd fixing axle is tangent with the arcwall face of base mount, thus in the case where the effect of sofa pressure is given, no
Stable lying or leaning sofa backrest can be enabled people to because the clearance issues of each connecting rod loosen sofa backrest；In sofa machine
Under extended configuration, the first fixing axle is moved in the U-type groove of mechanism kinematic component rear end tool linkage, thus is being given
During the downward pressure of sofa footrest component, leg rest bar assembly will not draw in so that the leg rest bar assembly of sofa mechanical linkage
It is stuck that in a certain position, leg rest bar assembly can not normally be run, only when from state restoration of reclining to extended configuration, sofa
Mechanical linkage can be closed.That so effectively reduces extending apparatus allows deformation of products to damage because of being not in the right order,
It has been also convenient for the routine use function of people.
In order to realize above-mentioned purpose, following technical scheme is present invention employs：
A kind of sofa mechanical linkage, with closure state, extended configuration and state these three working conditions of reclining,
Primary structure includes leg rest bar assembly, cushion installed part, base mount and mechanism kinematic component, and the leg rest bar assembly is by more
Individual foot-putting rod and multiple foot levers by the composition that is hinged, the rear end of leg rest bar assembly respectively with the front end of cushion installed part and
The front end of mechanism kinematic component is hinged；The front end of the base mount is provided with arcwall face, before the mechanism kinematic component
End is provided with the 3rd fixing axle, and in the motion process of sofa mechanical linkage, the 3rd fixing axle is tangent with arcwall face all the time；
The rear end of the cushion installed part is provided with the second fixing axle, when sofa mechanical linkage moves to shape of reclining by closure state
During state, the second fixing axle is touched with mechanism kinematic attached components；The mechanism kinematic component rear end is further opened with U-type groove and first and consolidates
Dead axle, when sofa mechanical linkage is in extended configuration, the first fixing axle is moved in U-type groove.Sand of the present invention
Send out mechanical linkage in closed state, the 3rd fixing axle is tangent with the arcwall face of base mount, thus is giving sofa
Under pressure effect, sofa backrest will not be loosened because of the clearance issues of each connecting rod, enable people to stable lying or leaning sofa
Backrest；It is under extended configuration in sofa mechanical linkage, the first fixing axle moves to the U-type groove of mechanism kinematic component rear end
In, thus when the downward pressure of sofa footrest component is given, leg rest bar assembly will not draw in so that sofa mechanical linkage
Leg rest bar assembly it is stuck in a certain position, leg rest bar assembly can not normally be run, only when from state restoration of reclining to stretching
During exhibition state, sofa mechanical linkage can be closed.So effectively reduce allowing because of being not in the right order for extending apparatus
Deformation of products is damaged, and has been also convenient for the routine use function of people.
It is preferred that, the mechanism kinematic component include backrest installed part, first support bar, the first order bar, the
Two order bars, first connecting rod, second connecting rod and second support bar；The lower end of the first support bar and base mount rear end
It is hinged, upper end and the rear end of backrest installed part of first support bar are hinged, behind the front end of backrest installed part and cushion installed part
End is hinged；The upper end of the first order bar is hinged with the rear end of cushion installed part, the lower end of the first order bar and first connecting rod
Rear end be hinged, front end and the base mount of first connecting rod are hinged；The second order bar is arranged on the rear end of second connecting rod；
The second connecting rod rear end is hinged with cushion installed part rear end, is hinged in the middle part of second connecting rod front end and second support bar, second
The upper end of support bar is hinged with cushion installed part, and lower end and the rear end of leg rest bar assembly of second support bar are hinged.By mechanism
It is hinged between moving parts internal structure and with leg rest bar assembly, cushion installed part, base mount, phase interworking
Close so that it constitutes an orderly entirety, coordinates in order in use, so as to reach predetermined effect.
It is preferred that, the lower end of the second order bar is curved, and first fixing axle is arranged on the first order
The lower end of bar, in sofa mechanical linkage motion process, the first fixing axle all the time with the cambered surface phase of the second order bar lower end
Cut.It is tangent with the cambered surface of the second order bar lower end by the first fixing axle, so that sofa mechanical linkage is adjusted in state
During whole, more stable state is kept, be not susceptible to rock.
It is preferred that, the base mount middle section offers hole slot, arranges at the middle section position of first connecting rod
There is stopper, the stopper passes through hole slot.When sofa mechanical linkage is moved to leans to state, stopper just moves to hole slot
Upper end, so that backrest can not continue to move backward, is maintained at certain angle.
It is preferred that, the 5th fixing axle is provided with the first connecting rod, the 6th is provided with second support bar and is consolidated
Dead axle, between the 5th fixing axle and the 6th fixing axle the first secondary spring is connected with.By the elastic of the first secondary spring
Degree, auxiliary backrest reclined position recovers active force when extended configuration, makes backrest fit with human body backrest.And reach a planting sand
The comfort sent out.
It is preferred that, the 4th fixing axle is additionally provided with the base mount, the front end of second connecting rod is provided with
Fixture, between shown 4th fixing axle and fixture the second secondary spring is connected with.By the elasticity of the second secondary spring,
Auxiliary backrest reclined position recovers active force when extended configuration, makes backrest fit with human body backrest.And reach a kind of sofa
Comfort.
It is preferred that, it is provided with axle sleeve in first fixing axle.Axle sleeve is set in the first fixing axle, is become and is slided
Rub as rolling friction, substantially reduce the frictional force between the first fixing axle and U-type groove, reduce wear and tear between them can
Can property.
It is preferred that, it is provided with axle sleeve in the 3rd fixing axle.Axle sleeve is set in the 3rd fixing axle, is become and is slided
Rub as rolling friction, substantially reduce the frictional force between the 3rd fixing axle and base mount front end arcwall face, reduce
The possibility worn and torn between them.
Compared with prior art, the invention has the beneficial effects as follows：Sofa mechanical linkage of the present invention is in closure
Under state, the 3rd fixing axle is tangent with the arcwall face of base mount, thus in the case where the effect of sofa pressure is given, will not be because of each
The clearance issues of connecting rod loosen sofa backrest, enable people to stable lying or leaning sofa backrest；In sofa mechanical linkage dress
Put under extended configuration, the first fixing axle is moved in the U-type groove of mechanism kinematic component rear end, thus is giving sofa leg rest
During the downward pressure of component, leg rest bar assembly will not draw in so that the leg rest bar assembly of sofa mechanical linkage is stuck at certain
One position, leg rest bar assembly can not normally be run, only when from state restoration of reclining to extended configuration, sofa mechanical linkage
Device can be closed.That so effectively reduces extending apparatus allows deformation of products to damage because of being not in the right order, and is also convenient for
The routine use function of people.
Description of the drawings
Fig. 1 is the structural representation of sofa mechanical linkage under closure state.
Fig. 2 is the structural representation of mechanism kinematic component.
Fig. 3 is the structural representation of sofa mechanical linkage under extended configuration.
Fig. 4 is the structural representation of sofa mechanical linkage under the state of reclining.
Specific embodiment
The specific embodiment of the present invention is made a detailed explanation below in conjunction with the accompanying drawings.
A kind of sofa mechanical linkage as described in Fig. 1～Fig. 4, this sofa mechanical linkage has closed form
State, extended configuration and state these three working conditions of reclining, primary structure includes leg rest bar assembly 100, cushion installed part
200th, base mount 300 and mechanism kinematic component 400, the leg rest bar assembly 100 is led to by multiple foot-putting rods and multiple foot levers
Cross the composition that is hinged, the rear end of leg rest bar assembly 100 front end respectively with cushion installed part 200 and mechanism kinematic component
400 front end is hinged；The mechanism kinematic component 400 includes backrest installed part 401, first support bar 402, the first order bar
403rd, the second order bar 404, first connecting rod 405, second connecting rod 406 and second support bar 408；The first support bar 402
Lower end be hinged with the rear end of base mount 300, upper end and the rear end of backrest installed part 401 of first support bar 402 are hinged, and lean on
The front end of back of the body installed part 401 is hinged with the rear end of cushion installed part 200；Install with cushion the upper end of the first order bar 403
The rear end of part 200 is hinged, and lower end and the rear end of first connecting rod 405 of the first order bar 403 are hinged, the front end of first connecting rod 405
It is hinged with base mount 300；The second order bar 404 is arranged on the rear end of second connecting rod 406；The second connecting rod 406
Rear end is hinged with the rear end of cushion installed part 200, and the front end of second connecting rod 406 is hinged with the middle part of second support bar 408, and second supports
The upper end of bar 408 is hinged with cushion installed part 200, and lower end and the rear end of leg rest bar assembly 100 of second support bar 408 are hinged.
The front end of the base mount 300 is provided with arcwall face 8, and arcwall face 8 is from the lower surface of the front end of base mount 300 bottom of up to
The upper surface of seat installed part 300 front end is arranged.The 3rd fixing axle 3 is provided with second support bar 408, in sofa mechanical linkage dress
In the motion process put, the 3rd fixing axle 3 is tangent with arcwall face 8 all the time.The rear end of the cushion installed part 200 is provided with second
Fixing axle 2, when sofa mechanical linkage is moved to by closure state reclines state, the second fixing axle 2 and the first order bar
403 contact；The rear end of the second connecting rod 406 offers U-type groove 7, and the lower end of the first order bar 403 is provided with the first fixing axle 1,
When sofa mechanical linkage is in extended configuration, the first fixing axle 1 is moved in U-type groove 7.
In implementation process, first a mounting rod is fixed in the two sides lower end of sofa, sofa mechanical linkage passes through
Mirror-image fashion is arranged on the two ends of the mounting rod of connection sofa two sides bottom.The bottom of base mount 300 is consolidated by screw
It is scheduled on mounting rod, seat cushion installed part 200 is mutually connected to base mount by the support bar and connecting rod of mechanism kinematic component 400
300, seat cushion installed part 200 forms a supporting surface for connection seat cushion installation site and with opposite seat cushion installed part to seat cushion,
For fixing Sofa cushion.The mechanism kinematic component 400 is adjusted in seat cushion installed part between closure, stretching, extension and reclined position
The seat cushion of 300 tops, while the gradient of regulating seat cushion and backrest.
Sofa mechanical linkage of the present invention in closed state, the 3rd fixing axle 3 and base mount 300
Arcwall face 8 is tangent, thus in the case where the effect of sofa pressure is given, will not make sofa backrest pine because of the clearance issues of each connecting rod
It is dynamic, enable people to stable lying or leaning sofa backrest；It is under extended configuration in sofa mechanical linkage, the first fixing axle 1
In moving to the U-type groove of the rear end of mechanism kinematic component 400, thus when the downward pressure of sofa footrest component is given, foot-putting rod
Component 100 will not draw in so that the leg rest bar assembly 100 of sofa mechanical linkage is stuck in a certain position, leg rest bar assembly
100 can not normally run, and only when from state restoration of reclining to extended configuration, sofa mechanical linkage can be closed
Close.That so effectively reduces extending apparatus allows deformation of products to damage because of being not in the right order, and being also convenient for the daily of people makes
Use function.
The lower end of the second order bar 404 is curved, and first fixing axle 1 is arranged under the first order bar 403
End, in sofa mechanical linkage motion process, the first fixing axle 1 is tangent with the cambered surface of the lower end of the second order bar 404 all the time.
It is tangent with the cambered surface of the lower end of the second order bar 404 by the first fixing axle 1, so that sofa mechanical linkage is adjusted in state
During whole, more stable state is kept, be not susceptible to rock.
The middle section of the base mount 300 offers hole slot 9, and at the middle section position of first connecting rod 405 stopper is provided with
10, the stopper 10 passes through hole slot 9.When sofa mechanical linkage is moved to leans to state, stopper 10 just moves to hole
The upper end of groove 9, so that backrest can not continue to move backward, is maintained at certain angle.
The 5th fixing axle 5 is provided with the first connecting rod 405, the 6th fixing axle 6 is provided with second support bar 408,
The first secondary spring 11 is connected between 5th fixing axle 5 and the 6th fixing axle 6.Also set on the base mount 300
Be equipped with the 4th fixing axle 4, the front end of second connecting rod 406 is provided with fixture 407, shown 4th fixing axle 4 and fixture 407 it
Between be connected with the second secondary spring 12.
Axle sleeve (mark) is respectively arranged with the fixing axle 3 of first fixing axle 1 and the 3rd.In the first fixing axle 1
Axle sleeve (mark) is set, and change sliding friction substantially reduces the frictional force between each structure, reduces it into rolling friction
Between wear and tear possibility.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can make various modifications to described specific embodiment or supplement or adopt similar mode
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to
The protection domain of invention.
Claims (8)
1. a kind of sofa mechanical linkage, it is main with closure state, extended configuration and state these three working conditions of reclining
Structure is wanted to include leg rest bar assembly, cushion installed part, base mount and mechanism kinematic component, it is characterised in that：The leg rest
Bar assembly is made up of multiple foot-putting rods and multiple foot levers by being hinged, the rear end of leg rest bar assembly respectively with cushion installed part
Front end and the front end of mechanism kinematic component be hinged；The front end of the base mount is provided with arcwall face, mechanism's fortune
The front end of dynamic component is provided with the 3rd fixing axle, in the motion process of sofa mechanical linkage, the 3rd fixing axle all the time with
Arcwall face is tangent；The rear end of the cushion installed part is provided with the second fixing axle, when sofa mechanical linkage is by closure state
Move to when reclining state, the second fixing axle is touched with mechanism kinematic attached components；The rear end of the mechanism kinematic component also opens up
There are U-type groove and the first fixing axle, when sofa mechanical linkage is in extended configuration, the first fixing axle is moved in U-type groove.
2. a kind of sofa mechanical linkage according to claim 1, it is characterised in that：The mechanism kinematic component includes
Backrest installed part, first support bar, the first order bar, the second order bar, first connecting rod, second connecting rod and second support bar；
The lower end of the first support bar is hinged with base mount rear end, and the upper end of first support bar is cut with scissors with the rear end of backrest installed part
Connect, front end and the rear end of cushion installed part of backrest installed part are hinged；The upper end of the first order bar and cushion installed part
Rear end is hinged, and lower end and the rear end of first connecting rod of the first order bar are hinged, and front end and the base mount of first connecting rod are hinged；
The second order bar is arranged on the rear end of second connecting rod；The rear end of the second connecting rod is hinged with cushion installed part rear end, the
It is hinged in the middle part of two connecting rod front ends and second support bar, upper end and the cushion installed part of second support bar are hinged, second support bar
Lower end be hinged with the rear end of leg rest bar assembly.
3. a kind of sofa mechanical linkage according to claim 2, it is characterised in that：The lower end of the second order bar
Curved, first fixing axle is arranged on the lower end of the first order bar, in sofa mechanical linkage motion process, first
Fixing axle is tangent with the cambered surface of the second order bar lower end all the time.
4. a kind of sofa mechanical linkage according to claim 2, it is characterised in that：The base mount middle section
Hole slot is offered, stopper is provided with the middle section position of first connecting rod, the stopper passes through hole slot.
5. a kind of sofa mechanical linkage according to claim 2, it is characterised in that：It is provided with the first connecting rod
5th fixing axle, is provided with the 6th fixing axle in second support bar, be connected between the 5th fixing axle and the 6th fixing axle
First secondary spring.
6. a kind of sofa mechanical linkage according to claim 2, it is characterised in that：Also set on the base mount
The 4th fixing axle is equipped with, the front end of second connecting rod is provided with fixture, is connected between shown 4th fixing axle and fixture
Two secondary springs.
7. a kind of sofa mechanical linkage according to claim 1, it is characterised in that：Arrange in first fixing axle
There is axle sleeve.
8. a kind of sofa mechanical linkage according to claim 1, it is characterised in that：Arrange in 3rd fixing axle
There is axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117382.0A CN104799597B (en) | 2015-03-17 | 2015-03-17 | Mechanical linkage device of sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117382.0A CN104799597B (en) | 2015-03-17 | 2015-03-17 | Mechanical linkage device of sofa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104799597A CN104799597A (en) | 2015-07-29 |
| CN104799597B true CN104799597B (en) | 2017-05-10 |
Family
ID=53685135
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510117382.0A Active CN104799597B (en) | 2015-03-17 | 2015-03-17 | Mechanical linkage device of sofa |
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| Country | Link |
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| CN (1) | CN104799597B (en) |
Families Citing this family (9)
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|---|---|---|---|---|
| US9326615B1 (en) * | 2015-02-11 | 2016-05-03 | La-Z-Boy Incorporated | Furniture member with legrest extension |
| CN105286336B (en) * | 2015-08-31 | 2018-04-24 | 林长贞 | The Relaxing chair of one kind tool foot pad |
| US11266245B2 (en) | 2016-07-29 | 2022-03-08 | Leggett & Platt, Inc. | Rocker/glider recliner linkage with projected back pivot point |
| US10420422B2 (en) * | 2016-07-29 | 2019-09-24 | L&P Property Management Company | Recliner chair having improved wall clearance and recline linkage with projected back pivot point |
| CN113015464B (en) * | 2018-06-09 | 2024-06-14 | 埃利奥·拉瓦约利 | Improved motion mechanism for moving a movable member of a reclining sofa or recliner |
| US11284721B2 (en) | 2019-03-29 | 2022-03-29 | L&P Property Management Company | Disengagement and reengagement mechanism on motorized seating unit for selective manual control |
| US11517109B2 (en) | 2019-03-29 | 2022-12-06 | L&P Property Management Company | Disengagement and reengagement mechanism on motorized seating unit for selective manual control |
| CN112205804A (en) * | 2020-09-27 | 2021-01-12 | 恒林家居股份有限公司 | Sofa and packing and transporting method thereof |
| EP4368066A1 (en) * | 2021-08-18 | 2024-05-15 | Remacro Machinery & Technology (Wujiang) Co., Ltd. | Device for retracting seat leg at angle, seat support, and seat unit |
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| CN203314480U (en) * | 2013-04-08 | 2013-12-04 | 常州市锐新医疗器械有限公司 | Lying lengthened type multi-component stretching mechanism |
| CN103445558A (en) * | 2013-09-09 | 2013-12-18 | 锐迈机械科技（吴江）有限公司 | Mechanical stretching device for electric rocking chair of movable sofa |
| CN203633817U (en) * | 2013-10-30 | 2014-06-11 | 浙江花为媒集团有限公司 | Functional sofa with extensibility |
| CN203538831U (en) * | 2013-11-11 | 2014-04-16 | 江苏舒意达机械有限公司 | Rotatable multi-link stretching mechanism for electric movable sofa |
| CN203676561U (en) * | 2013-12-26 | 2014-07-02 | 东莞市捷科五金有限公司 | Multifunctional sofa iron stand |
| CN204654303U (en) * | 2015-03-17 | 2015-09-23 | 浙江永艺家具股份有限公司 | A kind of sofa mechanical linkage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104799597A (en) | 2015-07-29 |
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Denomination of invention: A mechanical linkage device for sofas Effective date of registration: 20231111 Granted publication date: 20170510 Pledgee: Anji Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: UE FURNITURE Co.,Ltd. Registration number: Y2023330002570 |
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