CN104799597A - Mechanical linkage device of sofa - Google Patents
Mechanical linkage device of sofa Download PDFInfo
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- CN104799597A CN104799597A CN201510117382.0A CN201510117382A CN104799597A CN 104799597 A CN104799597 A CN 104799597A CN 201510117382 A CN201510117382 A CN 201510117382A CN 104799597 A CN104799597 A CN 104799597A
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- fixed axis
- mechanical linkage
- sofa
- hinged
- rear end
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- 238000000034 method Methods 0.000 claims description 9
- 230000006378 damage Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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, particularly relate to a kind of sofa mechanical linkage.
Background technology
Sofa mechanical linkage on current China's sofa market is all that handle or pullswitch mode are opened, this results in, time people sit on sofa, often to look for handle position or pullswitch position, even sometimes, because trigger switch button unintentionally, cause sofa mechanical linkage to be opened, and cause injury.Thus make sofa there is a kind of unsafe factor inside.
Market occurs another relies on human body back to promote the sofa of mechanical linkage, but because the mechanical linkage structure of this sofa is simple, when it is closed, when backrest is subject to the active force of human body instability, backrest can produce and rock, when people leans against, can not stablely have a rest, and after lifting footrest, when footrest is subject to downforce, foot-rest place can produce closed action.And after this action generation afterwards, make sofa mechanical linkage by closing, stretch, lift three kinds of step confusions, mechanical linkage can not normally be run.The user demand of people can not be met like this.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of sofa mechanical linkage, this device in closed state, the arcwall face of the 3rd fixed axis and base mount is tangent, thus giving under the effect of sofa pressure, sofa backrest will be loosened because of the clearance issues of each connecting rod, enable people stable lie by sofa backrest; Under sofa mechanical linkage is in extended configuration, first fixed axis moves in the U-type groove of mechanism kinematic assembly rear end, thus when giving the downward pressure of sofa footrest component, foot-putting rod assembly can not draw in, make the foot-putting rod assembly of sofa mechanical linkage stuck in a certain position, foot-putting rod assembly can not normally run, and only have when from state restoration of reclining to extended configuration, sofa mechanical linkage can close.So effective minimizing extending apparatus allow deformation of products damage because of being not in the right order, also facilitate the routine use function of people.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of sofa mechanical linkage, there is closure state, extended configuration and these three duties of state of reclining, primary structure comprises foot-putting rod assembly, cushion installed part, base mount and mechanism kinematic assembly, described foot-putting rod assembly is made up of by being hinged multiple foot-putting rod and multiple foot lever, the rear end of foot-putting rod assembly respectively with the front end of cushion installed part and the front end of mechanism kinematic assembly hinged; The front end of described base mount is provided with arcwall face, and the front end of described mechanism kinematic assembly is provided with the 3rd fixed axis, and in the motion process of sofa mechanical linkage, the 3rd fixed axis is tangent with arcwall face all the time; The rear end of described cushion installed part is provided with the second fixed axis, when sofa mechanical linkage by closure state move to recline state time, the second fixed axis and mechanism kinematic attached components touch; Described mechanism kinematic assembly rear end also offers U-type groove and the first fixed axis, and when sofa mechanical linkage is in extended configuration, the first fixed axis moves in U-type groove.Sofa mechanical linkage of the present invention in closed state, the arcwall face of the 3rd fixed axis and base mount is tangent, thus giving, under the effect of sofa pressure, sofa backrest to be loosened because of the clearance issues of each connecting rod, enable people stable lie by sofa backrest; Under sofa mechanical linkage is in extended configuration, first fixed axis moves in the U-type groove of mechanism kinematic assembly rear end, thus when giving the downward pressure of sofa footrest component, foot-putting rod assembly can not draw in, make the foot-putting rod assembly of sofa mechanical linkage stuck in a certain position, foot-putting rod assembly can not normally run, and only have when from state restoration of reclining to extended configuration, sofa mechanical linkage can close.So effective minimizing extending apparatus allow deformation of products damage because of being not in the right order, also facilitate the routine use function of people.
As preferred embodiment, described mechanism kinematic assembly comprises backrest installed part, the first support bar, the first order bar, the second order bar, first connecting rod, second connecting rod and the second support bar; Lower end and the base mount rear end of described first support bar are hinged, the upper end of the first support bar and the rear end of backrest installed part hinged, the front end of backrest installed part and the rear end of cushion installed part hinged; The upper end of described first order bar and the rear end of cushion installed part hinged, the lower end of the first order bar and the rear end of first connecting rod hinged, front end and the base mount of first connecting rod are hinged; Described second order bar is arranged on the rear end of second connecting rod; Described second connecting rod rear end and cushion installed part rear end hinged, the middle part of second connecting rod front end and the second support bar is hinged, and upper end and the cushion installed part of the second support bar are hinged, the lower end of the second support bar and the rear end of foot-putting rod assembly hinged.By between mechanism kinematic component internal structure and with foot-putting rod assembly, cushion installed part, being hinged of base mount, cooperatively interact, make it form an orderly entirety, in use coordinate in order, thus reach predetermined effect.
As preferred embodiment, the lower end of described second order bar is curved, and described first fixed axis is arranged on the lower end of the first order bar, and in sofa mechanical linkage motion process, the first fixed axis is tangent with the cambered surface of the second order bar lower end all the time.Tangent by the cambered surface of the first fixed axis and the second order bar lower end, thus make sofa mechanical linkage in state adjustment process, keep more stable state, not easily shake.
As preferred embodiment, described base mount middle section offers hole slot, and the middle section position place of first connecting rod is provided with stopper, and described stopper is through hole slot.When sofa mechanical linkage move to lean to state time, stopper just moves to hole slot upper end, thus makes backrest can not continue to move backward, remains on certain angle.
As preferred embodiment, described first connecting rod is provided with the 5th fixed axis, the second support bar is provided with the 6th fixed axis, between described 5th fixed axis and the 6th fixed axis, be connected with the first secondary spring.By the elasticity of the first secondary spring, auxiliary backrest reclined position recovers active force when extended configuration, and backrest and human body backrest are fitted.And reach a kind of comfort of sofa.
As preferred embodiment, described base mount is also provided with the 4th fixed axis, the front end of second connecting rod is provided with fixture, and the shown 4th is connected with the second secondary spring between fixed axis and fixture.By the elasticity of the second secondary spring, auxiliary backrest reclined position recovers active force when extended configuration, and backrest and human body backrest are fitted.And reach a kind of comfort of sofa.
As preferred embodiment, described first fixed axis is provided with axle sleeve.First fixed axis arranges axle sleeve, and change sliding friction is rolling friction, substantially reduces the frictional force between the first fixed axis and U-type groove, reduces the possibility of wearing and tearing between them.
As preferred embodiment, described 3rd fixed axis is provided with axle sleeve.3rd fixed axis arranges axle sleeve, and change sliding friction is rolling friction, substantially reduces the frictional force between the 3rd fixed axis and base mount front end arcwall face, reduces the possibility of wearing and tearing between them.
Compared with prior art, the invention has the beneficial effects as follows: sofa mechanical linkage of the present invention in closed state, the arcwall face of the 3rd fixed axis and base mount is tangent, thus giving under the effect of sofa pressure, sofa backrest will be loosened because of the clearance issues of each connecting rod, enable people stable lie by sofa backrest; Under sofa mechanical linkage is in extended configuration, first fixed axis moves in the U-type groove of mechanism kinematic assembly rear end, thus when giving the downward pressure of sofa footrest component, foot-putting rod assembly can not draw in, make the foot-putting rod assembly of sofa mechanical linkage stuck in a certain position, foot-putting rod assembly can not normally run, and only have when from state restoration of reclining to extended configuration, sofa mechanical linkage can close.So effective minimizing extending apparatus allow deformation of products damage because of being not in the right order, also facilitate the routine use function of people.
Accompanying drawing explanation
Fig. 1 be under closure state sofa mechanical linkage structural representation.
Fig. 2 is the structural representation of mechanism kinematic assembly.
Fig. 3 be under extended configuration sofa mechanical linkage structural representation.
Fig. 4 be under the state of reclining sofa mechanical linkage structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
A kind of sofa mechanical linkage as described in Fig. 1 ~ Fig. 4, this sofa mechanical linkage has closure state, extended configuration and these three duties of state of reclining, primary structure comprises foot-putting rod assembly 100, cushion installed part 200, base mount 300 and mechanism kinematic assembly 400, described foot-putting rod assembly 100 is made up of by being hinged multiple foot-putting rod and multiple foot lever, the rear end of foot-putting rod assembly 100 respectively with the front end of cushion installed part 200 and the front end of mechanism kinematic assembly 400 hinged; Described mechanism kinematic assembly 400 comprises backrest installed part 401, first support bar 402, first order bar 403, second order bar 404, first connecting rod 405, second connecting rod 406 and the second support bar 408; Lower end and base mount 300 rear end of described first support bar 402 are hinged, the upper end of the first support bar 402 and the rear end of backrest installed part 401 hinged, the front end of backrest installed part 401 and the rear end of cushion installed part 200 hinged; The upper end of described first order bar 403 and the rear end of cushion installed part 200 hinged, the lower end of the first order bar 403 and the rear end of first connecting rod 405 hinged, front end and the base mount 300 of first connecting rod 405 are hinged; Described second order bar 404 is arranged on the rear end of second connecting rod 406; Described second connecting rod 406 rear end and cushion installed part 200 rear end hinged, the middle part of second connecting rod 406 front end and the second support bar 408 is hinged, upper end and the cushion installed part 200 of the second support bar 408 are hinged, the lower end of the second support bar 408 and the rear end of foot-putting rod assembly 100 hinged.The front end of described base mount 300 is provided with arcwall face 8, and arcwall face 8 is from the lower surface of base mount 300 front end until the upper surface of base mount 300 front end is arranged.Second support bar 402 is provided with the 3rd fixed axis 3, in the motion process of sofa mechanical linkage, the 3rd fixed axis 3 is tangent with arcwall face 8 all the time.The rear end of described cushion installed part 200 is provided with the second fixed axis 2, when sofa mechanical linkage by closure state move to recline state time, the second fixed axis 2 contacts with the first order bar 403; Described second connecting rod 406 rear end offers U-type groove 7, and the first order bar 403 lower end is provided with the first fixed axis 1, and when sofa mechanical linkage is in extended configuration, the first fixed axis 1 moves in U-type groove 7.
In implementation process, first fix a mounting rod in the lower end, two sides of sofa, sofa mechanical linkage is arranged on the two ends connecting the basifacial mounting rod in sofa both sides by mirror-image fashion.Be fixed on mounting rod by screw bottom base mount 300, seat cushion installed part 200 interconnects to base mount 300 by the support bar of mechanism kinematic assembly 400 and connecting rod, seat cushion installed part 200 is for connecting seat cushion installation site and forming a supporting surface with opposite seat cushion installed part to seat cushion, for fixing Sofa cushion.Described mechanism kinematic assembly 400 closed, stretch the seat cushion regulated between reclined position above seat cushion installed part 300, the gradient of regulating seat cushion and backrest simultaneously.
Sofa mechanical linkage of the present invention in closed state, 3rd fixed axis 3 is tangent with the arcwall face 8 of base mount 300, thus giving, under the effect of sofa pressure, sofa backrest to be loosened because of the clearance issues of each connecting rod, enable people stable lie by sofa backrest; Under sofa mechanical linkage is in extended configuration, first fixed axis 1 moves in the U-type groove of mechanism kinematic assembly 400 rear end, thus when giving the downward pressure of sofa footrest component, foot-putting rod assembly 100 can not draw in, make the foot-putting rod assembly 100 of sofa mechanical linkage stuck in a certain position, foot-putting rod assembly 100 can not normally run, and only have when from state restoration of reclining to extended configuration, sofa mechanical linkage can close.So effective minimizing extending apparatus allow deformation of products damage because of being not in the right order, also facilitate the routine use function of people.
The lower end of described second order bar 404 is curved, and described first fixed axis 1 is arranged on the lower end of the first order bar 403, and in sofa mechanical linkage motion process, the first fixed axis 1 is tangent with the cambered surface of the second order bar 404 lower end all the time.Tangent by the cambered surface of the first fixed axis 1 and the second order bar 404 lower end, thus make sofa mechanical linkage in state adjustment process, keep more stable state, not easily shake.
Described base mount 300 middle section offers hole slot 9, and the middle section position place of first connecting rod 405 is provided with stopper 10, and described stopper 10 is through hole slot 9.When sofa mechanical linkage move to lean to state time, stopper 10 just moves to hole slot 9 upper end, thus makes backrest can not continue to move backward, remains on certain angle.
Described first connecting rod 405 is provided with on the 5th fixed axis 5, second support bar 408 and is provided with the 6th fixed axis 6, between described 5th fixed axis 5 and the 6th fixed axis 6, be connected with the first secondary spring 11.Described base mount 300 is also provided with the 4th fixed axis 4, the front end of second connecting rod 406 is provided with fixture 407, is connected with the second secondary spring 12 between shown 4th fixed axis 4 and fixture 407.
Described first fixed axis 1 and the 3rd fixed axis 3 are respectively arranged with axle sleeve (mark).First fixed axis 1 arranges axle sleeve (mark), and change sliding friction is rolling friction, substantially reduces the frictional force between each structure, reduces the possibility of wearing and tearing between them.
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.Such as the shape of lamp housing 2 is changed into back taper, the structure of metal supporting frames 4 changes a little.
Claims (8)
1. a sofa mechanical linkage, there is closure state, extended configuration and these three duties of state of reclining, primary structure comprises foot-putting rod assembly, cushion installed part, base mount and mechanism kinematic assembly, it is characterized in that: described foot-putting rod assembly is made up of by being hinged multiple foot-putting rod and multiple foot lever, the rear end of foot-putting rod assembly respectively with the front end of cushion installed part and the front end of mechanism kinematic assembly hinged; The front end of described base mount is provided with arcwall face, and the front end of described mechanism kinematic assembly is provided with the 3rd fixed axis, and in the motion process of sofa mechanical linkage, the 3rd fixed axis is tangent with arcwall face all the time; The rear end of described cushion installed part is provided with the second fixed axis, when sofa mechanical linkage by closure state move to recline state time, the second fixed axis and mechanism kinematic attached components touch; Described mechanism kinematic assembly rear end also offers U-type groove and the first fixed axis, and when sofa mechanical linkage is in extended configuration, the first fixed axis moves in U-type groove.
2. a kind of sofa mechanical linkage according to claim 1, is characterized in that: described mechanism kinematic assembly comprises backrest installed part, the first support bar, the first order bar, the second order bar, first connecting rod, second connecting rod and the second support bar; Lower end and the base mount rear end of described first support bar are hinged, the upper end of the first support bar and the rear end of backrest installed part hinged, the front end of backrest installed part and the rear end of cushion installed part hinged; The upper end of described first order bar and the rear end of cushion installed part hinged, the lower end of the first order bar and the rear end of first connecting rod hinged, front end and the base mount of first connecting rod are hinged; Described second order bar is arranged on the rear end of second connecting rod; Described second connecting rod rear end and cushion installed part rear end hinged, the middle part of second connecting rod front end and the second support bar is hinged, and upper end and the cushion installed part of the second support bar are hinged, the lower end of the second support bar and the rear end of foot-putting rod assembly hinged.
3. a kind of sofa mechanical linkage according to claim 2, it is characterized in that: the lower end of described second order bar is curved, described first fixed axis is arranged on the lower end of the first order bar, in sofa mechanical linkage motion process, the first fixed axis 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 characterized in that: described base mount middle section offers hole slot, the middle section position place of first connecting rod is provided with stopper, and described stopper is through hole slot.
5. a kind of sofa mechanical linkage according to claim 2, it is characterized in that: described first connecting rod is provided with the 5th fixed axis, second support bar is provided with the 6th fixed axis, between described 5th fixed axis and the 6th fixed axis, is connected with the first secondary spring.
6. a kind of sofa mechanical linkage according to claim 2, it is characterized in that: described base mount is also provided with the 4th fixed axis, the front end of second connecting rod is provided with fixture, and the shown 4th is connected with the second secondary spring between fixed axis and fixture.
7. a kind of sofa mechanical linkage according to claim 1, is characterized in that: described first fixed axis is provided with axle sleeve.
8. a kind of sofa mechanical linkage according to claim 1, is characterized in that: described 3rd fixed axis is provided with 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 true CN104799597A (en) | 2015-07-29 |
| CN104799597B CN104799597B (en) | 2017-05-10 |
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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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105286336A (en) * | 2015-08-31 | 2016-02-03 | 林长贞 | Leisure chair with footrest |
| CN107548287A (en) * | 2015-02-11 | 2018-01-05 | La-Z-男孩有限公司 | Furniture component with leg rest expansion thing mechanism |
| CN107660910A (en) * | 2016-07-29 | 2018-02-06 | L & P 产权管理公司 | Include the chaise longue of the tilt linkage with prominent backrest pivotal point |
| 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 |
| CN113015464A (en) * | 2018-06-09 | 2021-06-22 | 埃利奥·拉瓦约利 | Improved motion mechanism for moving movable parts of a reclining sofa or chair |
| US11266245B2 (en) | 2016-07-29 | 2022-03-08 | Leggett & Platt, Inc. | Rocker/glider recliner linkage with projected back pivot point |
| 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 |
| WO2023019925A1 (en) * | 2021-08-18 | 2023-02-23 | 锐迈机械科技（吴江）有限公司 | Device for retracting seat leg at angle, seat support, and seat unit |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548287A (en) * | 2015-02-11 | 2018-01-05 | La-Z-男孩有限公司 | Furniture component with leg rest expansion thing mechanism |
| CN105286336A (en) * | 2015-08-31 | 2016-02-03 | 林长贞 | Leisure chair with footrest |
| CN105286336B (en) * | 2015-08-31 | 2018-04-24 | 林长贞 | The Relaxing chair of one kind tool foot pad |
| CN107660910A (en) * | 2016-07-29 | 2018-02-06 | L & P 产权管理公司 | Include the chaise longue of the tilt linkage with prominent backrest pivotal point |
| US11266245B2 (en) | 2016-07-29 | 2022-03-08 | Leggett & Platt, Inc. | Rocker/glider recliner linkage with projected back pivot point |
| US11730267B2 (en) | 2016-07-29 | 2023-08-22 | L&P Property Management Company | Rocker/glider recliner linkage with projected back pivot point |
| CN113015464A (en) * | 2018-06-09 | 2021-06-22 | 埃利奥·拉瓦约利 | Improved motion mechanism for moving movable parts of a reclining sofa or chair |
| 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 |
| WO2023019925A1 (en) * | 2021-08-18 | 2023-02-23 | 锐迈机械科技（吴江）有限公司 | Device for retracting seat leg at angle, seat support, and seat unit |
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| CN104799597B (en) | 2017-05-10 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |