CN103381032B - A kind of sofa - Google Patents
A kind of sofa Download PDFInfo
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- CN103381032B CN103381032B CN201310286010.1A CN201310286010A CN103381032B CN 103381032 B CN103381032 B CN 103381032B CN 201310286010 A CN201310286010 A CN 201310286010A CN 103381032 B CN103381032 B CN 103381032B
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- hinge bar
- hinged
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- articulated linkage
- bar
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- 230000010339 dilation Effects 0.000 claims abstract description 5
- 210000003205 muscle Anatomy 0.000 abstract description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 210000001320 hippocampus Anatomy 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a kind of sofa, comprise sofa seat, cushion, rear backrest and front foot supporting pad; Sofa seat comprises base and is located on base and can drive sliding seat mobile on base by drive unit, sliding seat is connected with described cushion, rear backrest and front foot supporting pad by articulated linkage group, drive unit lifts described front foot supporting pad by described articulated linkage group, and in the time that described front foot supporting pad arrives precalculated position, described drive unit makes described sliding seat move and make described rear backrest to away from described front foot supporting pad direction slant dilation by described articulated linkage group to described front foot supporting pad direction on described base. Sofa of the present invention, it is simple in structure, cheap, easy to use, can place against wall, and required space when not needing to reserve it and launch to backrest, directly use can extend when in use, do not need to move, save muscle power, do not have potential safety hazard yet.
Description
Technical field
The present invention relates to furniture technical field, relate in particular a kind of sofa.
Background technology
Application publication number CN102657449A, the Chinese invention patent of Shen Qing Publication day 2012.09.12 discloses a kind of active sofa mechanical stretching device, comprise left-hand side part, right side members, switch block and locking spring, left-hand side part is fixedly connected with by fixed part with right side members, switch block is arranged in left-hand side part or right side members, described left-hand side part, right side members is equipped with sole, the first foot lever, the second foot lever, the 3rd foot lever, the 4th foot lever, the 5th foot lever, side plate, rotating shaft transmission part, first connecting rod, second connecting rod, third connecting rod, the 4th connecting rod, the 5th connecting rod, the 6th connecting rod, back rest, little sole, the first support member, the second support member, STATEMENT OF FEDERALLY SPONSORED, protector, hippocampus part, footing. and for example Granted publication CN201977275U, Granted publication day are that the Chinese utility model patent of on 09 21st, 2011 discloses a kind of mechanical extending device for sofa, comprise extension means, haulage gear, sole support, toe board, back rest, an installing plate and No. two installing plates, described haulage gear comprises handle, drag-line line and cable support, extension means comprises side plate, drive rod, gangbar, linkage component, rotating shaft transmission bar, spring, support component, puts leg piece, linkage component is mainly made up of connecting rod, No. two connecting rods, No. three connecting rods, No. four connecting rods, No. five connecting rods, No. six connecting rods and base connecting rod, support component is mainly made up of a support bar and No. two support bars, putting leg piece is mainly made up of leg bar one, leg bar two, leg bar three and leg bar four. but existing expanding unit when in use, also has weak point: it when in use, sofa need to be moved forward to one end distance, after use, also need to move back again, waste time and energy, very trouble, especially for the old man of this class sofa in frequent use, more not convenient, if forget and move back to, people does up again, easily cause sofa to layback, have potential safety hazard.
Summary of the invention
The object of this invention is to provide for the deficiencies in the prior art part, a kind of sofa is provided, it is simple in structure, cheap, easy to use, can place against wall required space when not needing to reserve it and launch to backrest, therefore do not need when in use sofa to move, directly use.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: a kind of sofa, comprises sofa seat, cushion, rear backrest and front foot supporting pad, described sofa seat comprises base and is located on described base and can drive sliding seat mobile on described base by drive unit, described sliding seat is by articulated linkage group and described cushion, rear backrest and front foot supporting pad are connected, described drive unit lifts described front foot supporting pad by described articulated linkage group, and in the time that described front foot supporting pad arrives precalculated position, described drive unit makes described sliding seat move and make described rear backrest to away from described front foot supporting pad direction slant dilation by described articulated linkage group to described front foot supporting pad direction on described base.
Applicant through repeatedly run through and test after find, existing sofa, when its stretching, extension, the foot pad of its feet lifts and extends forward, backrest recedes and extends, this time, just need to after backrest, there is the space of enough its inclination, common time, people place sofa as far as possible by wall, sofa and between the walls do not have much spaces, so, it when in use, just sofa need to be moved forward to one end distance, so that backrest stretches, after use, also need to move back again, waste time and energy, very trouble, especially for the elderly of this class sofa of frequent use, more not convenient, if forget and move back to, people again seat gets on, easily cause sofa to layback, there is very large potential safety hazard, and sofa of the present invention does not have above-mentioned shortcoming, it is when backrest launches, and sofa moves forward, and launches to provide enough spaces to backrest, makes not move to sofa and just can launch backrest, very convenient, safety.
As preferably, described drive unit comprises linear electric motors or cylinder or oil cylinder or electric pushrod.
Drive unit provides power, as family use, linear electric motors are more suitable for, after all in family taking electric energy as main.
As preferably, described drive unit drives described sliding seat to move on described base by mobile device.
As preferably, described mobile device comprise tooth bar initiatively, driven tooth bar and and the gear that is meshed of described active tooth bar, driven tooth bar; Described active tooth bar is provided with the stopping means matching with described drive unit.
As preferably, described stopping means is two limited blocks or the stopper slot being located on described active tooth bar, and described active tooth bar and described driven tooth bar are equipped with slip draw-in groove, and described sliding seat is provided with the slip card rail matching with described slip draw-in groove.
As preferably, described articulated linkage group comprises the rear articulated linkage group that front articulated linkage group that the lower articulated linkage group that is connected with described drive unit is connected with described front foot supporting pad is connected with described rear backrest and the middle articulated linkage group being connected with described front articulated linkage group, rear articulated linkage group.
As preferably, described lower articulated linkage group comprises side connecting rod that transverse link that the lower first connecting rod that is hinged with described drive unit and described lower first connecting rod are hinged and described transverse link are fixedly connected and and described side connecting rod is hinged and simultaneously and the lower second connecting rod that is hinged of described front articulated linkage group.
As preferably, described front articulated linkage group comprises front the second hinge bar that front the first hinge bar and described front the first hinge bar are hinged and and front the 3rd hinge bar that is hinged of described front the first hinge bar.
As preferably, in the middle of described, articulated linkage group comprises main connecting plate, with described sliding seat be hinged front in the middle of hinge bar, with described sliding seat be hinged rear in the middle of hinge bar, the first inclination hinge bar, be hinged with described the first inclination hinge bar and simultaneously and the second inclination hinge bar of being hinged of described main connecting plate and front centre hinge bar, the 3rd inclination hinge bar and the four-way hinged bar that are hinged with described main connecting plate, described the 3rd inclination hinge bar upper end is hinged by the 4th inclination hinge bar and described front middle hinge bar, bottom is hinged by the 5th inclination hinge bar and described front articulated linkage group, described four-way hinged bar while and rear middle hinge bar, the first inclination hinge bar, the 6th inclination hinge bar and main connecting plate are hinged.
As preferably, described rear articulated linkage group comprises rear hinge bar, described rear hinge bar simultaneously and described main connecting plate and the first inclination hinge bar be hinged.
Beneficial effect of the present invention is:
Sofa of the present invention, it is simple in structure, cheap, easy to use, can place against wall, and required space when not needing to reserve it and launch to backrest, directly use can extend when in use, do not need to move, save muscle power, do not have potential safety hazard yet.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the structural representation that Fig. 1 extends;
Fig. 3 is the schematic perspective view of Fig. 2;
Fig. 4 is sofa seat in Fig. 2, drive unit and mobile device connection diagram.
In figure: 1-sofa seat, 101-base, 102-sliding seat, 2-drive unit, 3-articulated linkage group, articulated linkage group under 301-, first connecting rod under 301a-, 301b-transverse link, 301c-side connecting rod, second connecting rod under 301d-, articulated linkage group before 302-, front the first hinge bar of 302a-, front the second hinge bar of 302b-, front the 3rd hinge bar of 302c-, articulated linkage group after 303-, articulated linkage group in the middle of 304-, the main connecting plate of 304a-, hinge bar in the middle of before 304b-, hinge bar in the middle of after 304c-, 304d-the first inclination hinge bar, 304e-the second inclination hinge bar, 304f-the 3rd inclination hinge bar, 304g-the 4th inclination hinge bar, the four-way hinged bar of 304h-, 304i-the 5th inclination hinge bar, 4-mobile device, 401-is tooth bar initiatively, the driven tooth bar of 402-, 403-gear, 404-stopping means.
Detailed description of the invention
The following stated is only preferred embodiment of the present invention, not scope of the present invention is limited.
Embodiment, is shown in accompanying drawing 1,2,3,4, and a kind of sofa comprises sofa seat 1, cushion (drawing does not draw), rear backrest (drawing does not draw) and front foot supporting pad (drawing does not draw), described sofa seat 1 comprises base 101 and is located on described base 101 and can drive sliding seat 102 mobile on described base 101 by drive unit 2, wherein, general, to drive sliding seat 102 to do Linear-moving on base 101 by drive unit 2, described sliding seat 102 is by articulated linkage group 3 and described cushion, rear backrest and front foot supporting pad are connected, described drive unit 2 lifts described front foot supporting pad by described articulated linkage group 3, and in the time that described front foot supporting pad arrives precalculated position, preferably, when can Shi Qian foot supporting pad lift completely in this precalculated position, certainly, also can be the position setting in advance, arrive this position, described drive unit 2 makes described sliding seat 102 move and make described rear backrest to away from described front foot supporting pad direction slant dilation by described articulated linkage group 3 to described front foot supporting pad direction on described base 101, wherein, the slant dilation of rear backrest can be with the movement of described sliding seat 102 on described base 101 simultaneously, drive unit 2 can adopt linear electric motors or cylinder or oil cylinder or electric pushrod, when adopting cylinder or oil cylinder, be used in combination with line slideway auxiliary, when adopting electric pushrod, also be to coordinate line slideway auxiliary or similarly structure use, certainly, if do not dislike complex structure, cost improves, can adopt motor coordinate ball screw assembly, again auxiliary straight line guideway carry out, in the present embodiment, what adopt is linear electric motors, also be linear electric machine, linear electric motors comprise drive motors, guide rail and be arranged on the slide block on guide rail, linear electric motors are fixed on sliding seat 102, base 101 is border structure, it is welded by four angle steel, sliding seat 102 bottoms are provided with two sliding parts, contact with base 101, play the effect of guiding, line slideway or similar structure can certainly be set, described drive unit 2 drives described sliding seat 102 mobile on described base 101 by mobile device 4, in the present embodiment, described mobile device 4 comprise tooth bar 401 initiatively, driven tooth bar 402 and and the gear 403 that is meshed of described active tooth bar 401, driven tooth bar 402, described active tooth bar 401 is provided with the stopping means 404 matching with described drive unit 2, on the slide block of linear electric motors, be provided with a joint pin, joint pin and stopping means 404 match, described stopping means 404 is for being located at two limited blocks or the stopper slot on described active tooth bar 401, in the present embodiment, what adopt is two limited blocks, between two limited blocks, there is spacing, so joint pin can move between two limited blocks, this time, it was discontiguous with limited block, described active tooth bar 401 and described driven tooth bar 402 are equipped with slip draw-in groove, slip draw-in groove is arranged on the upper and lower surface of active tooth bar and driven tooth bar, described sliding seat 102 is provided with the slip card rail matching with described slip draw-in groove, this card rail that slides is fixed on sliding seat 102, also be a part for sliding seat 102, its existence can be slided active tooth bar and driven tooth bar smoothly, initiatively tooth bar 401 and described driven tooth bar 402 are arranged on and are slided on card rail by slip draw-in groove, make the slip that initiatively tooth bar 401 and described driven tooth bar 402 can be back and forth, meanwhile, driven tooth bar and base 101 are fixedly connected.
Articulated linkage group 3 is two groups, general symmetrical setting, whole articulated linkage group 3 comprises the rear articulated linkage group 303 that front articulated linkage group 302 that the lower articulated linkage group 301 that is connected with described drive unit 2 is connected with described front foot supporting pad is connected with described rear backrest and the middle articulated linkage group 304 being connected with described front articulated linkage group 302, rear articulated linkage group 303, described lower articulated linkage group 301 comprise side connecting rod 301c that transverse link 301b that the lower first connecting rod 301a that is hinged with described drive unit 2 and described lower first connecting rod 301a are hinged and described transverse link 301b are fixedly connected and and described side connecting rod 301c is hinged and simultaneously and the lower second connecting rod 301d that is hinged of described front articulated linkage group 302, lower first connecting rod 301a is hinged on drive unit 2, in the present embodiment, the slide block of itself and linear electric motors is hinged. described rear articulated linkage group 303 comprises rear hinge bar, rear hinge bar roughly becomes " T " font, its point has the connecting hole being connected with rear backrest, and its wide end has two hinge holes, the existence of these two hinge holes, makes described rear hinge bar simultaneously and main connecting plate 304a and the first inclination hinge bar 304d of middle articulated linkage group 304 are hinged, described front articulated linkage group 302 comprises and front the first hinge bar 302a, front the second hinge bar 302b being hinged with described front the first hinge bar 302a and and front the 3rd hinge bar 302c that is hinged of described front the first hinge bar 302a, the pin joint that front the 3rd hinge bar 302c and front the first hinge bar 302a are hinged is positioned at the rear of the pin joint that front the second hinge bar 302b and front the first hinge bar 302a be hinged, simultaneously, front the 3rd hinge bar 302c and main connecting plate 304a are hinged, front the first hinge bar 302a is connected with front foot supporting pad, front the 3rd hinge bar 302c of the lower second connecting rod 301d connection that is hinged.
In the middle of described, articulated linkage group 304 comprises main connecting plate 304a, with described sliding seat 102 be hinged front in the middle of hinge bar 304b, with described sliding seat 102 be hinged rear in the middle of hinge bar 304c, the first inclination hinge bar 304d, be hinged with described the first inclination hinge bar 304d and simultaneously and the second inclination hinge bar 304e of being hinged of described main connecting plate 304a and front centre hinge bar 304b, the 3rd inclination hinge bar 304f and the four-way hinged bar 304h that are hinged with described main connecting plate 304a, main connecting plate 304a is weldment, it comprises long side plate, with the fixing transverse slat of long side plate and and the fixing vertical plate of long side plate, the 3rd inclination hinge bar 304f mid portion and main connecting plate 304a are hinged, the second inclination hinge bar 304e has three pin joints, while and described the first inclination hinge bar 304d, described main connecting plate 304a and front middle hinge bar 304b are hinged, described the 3rd inclination hinge bar 304f upper end is hinged by the 4th inclination hinge bar 304g and described front middle hinge bar 304b, bottom is hinged by the 5th inclination hinge bar 304i and described front articulated linkage group 302, described four-way hinged bar 304h while and rear middle hinge bar 304c, the first inclination hinge bar 304d, the 6th inclination hinge bar 304j and main connecting plate 304a are hinged, described four-way hinged bar 304h has four hinge holes, being positioned at two hinge holes of below and the 6th inclination hinge bar 304j and main connecting plate 304a is hinged, be positioned at two hinge holes of top and the first inclination hinge bar 304d, rear in the middle of hinge bar 304c be hinged, the 6th inclination hinge bar 304j simultaneously and rear articulated linkage group 303 be hinged.
More than explanation is only explanation of the invention, make those of ordinary skill in the art's can completely implement this programme, but be not limitation of the present invention, those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, and these are all not creative amendments. But as long as within the scope of claim of the present invention, be all subject to the protection of Patent Law.
Claims (6)
1. a sofa, comprises sofa seat (1), cushion, rear backrest and front foot supporting pad, it is characterized in that: described sofa seat (1) comprises base (101) and is located on described base (101) and can be driven at the upper mobile sliding seat (102) of described base (101) by drive unit (2), described sliding seat (102) is by articulated linkage group (3) and described cushion, rear backrest and front foot supporting pad are connected, described drive unit (2) lifts described front foot supporting pad by described articulated linkage group (3), and in the time that described front foot supporting pad arrives precalculated position, described drive unit (2) makes described sliding seat (102) move and make described rear backrest to away from described front foot supporting pad direction slant dilation by described articulated linkage group (3) to described front foot supporting pad direction described base (101) is upper, described drive unit (2) drives described sliding seat (102) upper mobile at described base (101) by mobile device (4), described mobile device (4) comprises active tooth bar (401), driven tooth bar (402) and the gear (403) being meshed with described active tooth bar (401), driven tooth bar (402), described active tooth bar (401) is provided with the stopping means (404) matching with described drive unit (2), described stopping means (404) is for being located at two limited blocks or the stopper slot on described active tooth bar (401), described active tooth bar (401) and described driven tooth bar (402) are equipped with slip draw-in groove, and described sliding seat (102) is provided with the slip card rail matching with described slip draw-in groove, described drive unit (2) comprises linear electric motors or cylinder or oil cylinder or electric pushrod.
2. a kind of sofa according to claim 1, is characterized in that: described articulated linkage group (3) comprises the rear articulated linkage group (303) that front articulated linkage group (302) that the lower articulated linkage group (301) that is connected with described drive unit (2) is connected with described front foot supporting pad is connected with described rear backrest and the middle articulated linkage group (304) being connected with described front articulated linkage group (302), rear articulated linkage group (303).
3. a kind of sofa according to claim 2, is characterized in that: described lower articulated linkage group (301) comprises side connecting rod (301c) that transverse link (301b) that the lower first connecting rod (301a) that is hinged with described drive unit (2) and described lower first connecting rod (301a) are hinged and described transverse link (301b) are fixedly connected and and described side connecting rod (301c) is hinged and simultaneously and the lower second connecting rod (301d) that is hinged of described front articulated linkage group (302).
4. a kind of sofa according to claim 2, is characterized in that: described front articulated linkage group (302) comprises front the second hinge bar (302b) that front the first hinge bar (302a) and described front the first hinge bar (302a) are hinged and front the 3rd hinge bar (302c) being hinged with described front the first hinge bar (302a).
5. a kind of sofa according to claim 2, it is characterized in that: in the middle of described, articulated linkage group (304) comprises main connecting plate (304a), with described sliding seat (102) be hinged front in the middle of hinge bar (304b), with described sliding seat (102) be hinged rear in the middle of hinge bar (304c), the first inclination hinge bar (304d), be hinged with described the first inclination hinge bar (304d) and simultaneously and the second inclination hinge bar (304e) of being hinged of described main connecting plate (304a) and front centre hinge bar (304b), the 3rd inclination hinge bar (304f) and the four-way hinged bar (304h) that are hinged with described main connecting plate (304a), described the 3rd inclination hinge bar (304f) upper end is hinged by the 4th inclination hinge bar (304g) and described front middle hinge bar (304b), bottom is hinged by the 5th inclination hinge bar (304i) and described front articulated linkage group (302), described four-way hinged bar (304h) while and rear middle hinge bar (304c), the first inclination hinge bar (304d), the 6th inclination hinge bar (304j) and main connecting plate (304a) are hinged.
6. a kind of sofa according to claim 5, is characterized in that: described rear articulated linkage group (303) comprises rear hinge bar, and described rear hinge bar while and described main connecting plate (304a) and the first inclination hinge bar (304d) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310286010.1A CN103381032B (en) | 2013-07-09 | 2013-07-09 | A kind of sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310286010.1A CN103381032B (en) | 2013-07-09 | 2013-07-09 | A kind of sofa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103381032A CN103381032A (en) | 2013-11-06 |
| CN103381032B true CN103381032B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310286010.1A Active CN103381032B (en) | 2013-07-09 | 2013-07-09 | A kind of sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103381032B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783525A (en) * | 2015-05-06 | 2015-07-22 | 海盐全影家具科技有限公司 | Telescopic device |
| CN105167431B (en) * | 2015-07-28 | 2017-11-07 | 浙江工业大学 | Electric sofa frame |
| CN106377110B (en) * | 2016-11-28 | 2019-03-05 | 沃曼家居（浙江）有限公司 | Sofa |
| CN115251649B (en) * | 2022-09-15 | 2024-03-08 | 浙江奥尔卡机械科技股份有限公司 | Electric adjusting structure of high-warp foot electric sofa |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271660A (en) * | 1990-10-18 | 1993-12-21 | La-Z-Boy Chair Co. | Reclining sofa |
| CN201879211U (en) * | 2010-12-12 | 2011-06-29 | 张刚 | Stretching type sofa |
| CN202312321U (en) * | 2011-11-04 | 2012-07-11 | 浙江川洋家私有限公司 | Multifunctional sofa |
| CN203354076U (en) * | 2013-07-09 | 2013-12-25 | 安吉县盛信办公家具有限公司 | Sofa |
-
2013
- 2013-07-09 CN CN201310286010.1A patent/CN103381032B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271660A (en) * | 1990-10-18 | 1993-12-21 | La-Z-Boy Chair Co. | Reclining sofa |
| CN201879211U (en) * | 2010-12-12 | 2011-06-29 | 张刚 | Stretching type sofa |
| CN202312321U (en) * | 2011-11-04 | 2012-07-11 | 浙江川洋家私有限公司 | Multifunctional sofa |
| CN203354076U (en) * | 2013-07-09 | 2013-12-25 | 安吉县盛信办公家具有限公司 | Sofa |
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| Publication number | Publication date |
|---|---|
| CN103381032A (en) | 2013-11-06 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A sofa Effective date of registration: 20210528 Granted publication date: 20160504 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ANJI SHENGXIN OFFICE FURNITURE Co.,Ltd. Registration number: Y2021330000484 |
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Granted publication date: 20160504 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ANJI SHENGXIN OFFICE FURNITURE Co.,Ltd. Registration number: Y2021330000484 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of sofa Granted publication date: 20160504 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ANJI SHENGXIN OFFICE FURNITURE Co.,Ltd. Registration number: Y2024330002037 |