CN103381032A - Sofa - Google Patents
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- CN103381032A CN103381032A CN2013102860101A CN201310286010A CN103381032A CN 103381032 A CN103381032 A CN 103381032A CN 2013102860101 A CN2013102860101 A CN 2013102860101A CN 201310286010 A CN201310286010 A CN 201310286010A CN 103381032 A CN103381032 A CN 103381032A
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Abstract
The invention discloses a sofa, which comprises a sofa seat, a cushion, a backrest and a front foot support pad. The sofa seat includes a base and a sliding seat that is disposed on the base and can be driven to move on the base by a driving unit. The sliding seat is in connection with the cushion, the backrest and the front foot support pad through a hinged connecting rod set. The driving unit makes the front foot support pad uplifted through the hinged connecting rod set, and when the front foot support pad reaches a preset position, the driving unit makes the sliding seat move toward the front foot support pad on the base and makes the backrest stretch slantly in a direction away from the front foot support pad through the hinged connecting rod set. The sofa provided in the invention has the characteristics of simple structure, low price and convenient use, can be placed against a wall without leaving the space needed by unfolding of the backrest, can be stretched for direct use during use, has no need for moving, saves physical power, and has no potential safety hazard.
Description
Technical field
The present invention relates to the furniture technical field, relate in particular a kind of sofa.
Background technology
application publication number CN 102657449 A, 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 on 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 spare, 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, the hippocampus part, footing.And for example Granted publication CN 201977275 U, 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 mainly is comprised 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 mainly is comprised of a support bar and No. two support bars; Putting leg piece mainly is comprised of leg bar one, leg bar two, leg bar three and leg bar four.But existing expanding unit also has weak point when in use: it when in use, sofa need to be moved forward an end distance, also need to move back again after use, 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, the people does up again, easily cause sofa to layback, potential safety hazard is arranged.
Summary of the invention
The purpose 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 is moved, directly use to get final product.
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 makes described front foot supporting pad lift by described articulated linkage group, and when described front foot supporting pad arrives the 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.
the applicant through repeatedly run through and test after find, existing sofa, in the time of its stretching, extension, the foot pad of its feet lifts and extends forward, backrest recedes and extends, this time, just the space of enough its inclination need to be arranged in the backrest back, in the time of common, 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 an end distance, so that backrest stretches, also need to move back again after use, waste time and energy, very bother, especially for the elderly of this class sofa of frequent use, more not convenient, move back to if forget, people's seat again gets on, easily cause sofa to layback, very large potential safety hazard is arranged, and sofa of the present invention does not have above-mentioned shortcoming, and it is when backrest launches, and sofa moves forward, and launches to provide enough spaces to backrest, makes not move sofa to 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, uses as family, and linear electric motors are more suitable for, after all in family take electric energy as main.
As preferably, described drive unit drives described sliding seat by mobile device and moves on described base.
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 that matches with described drive unit.
As preferably, described stopping means is two limited blocks or the stopper slot that is located on described active tooth bar, and described active tooth bar and described driven tooth bar are equipped with the slip draw-in groove, and described sliding seat is provided with the slip card rail that matches 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 that is 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 of being hinged with front the first hinge bar and described front the first hinge bar and and front the 3rd hinge bar that is hinged of described front the first hinge bar.
as preferably, in the middle of described, the 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 by the 4th inclination hinge bar and described front in the middle of hinge bar be hinged, the 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, and is 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 of drawings
The present invention is described further below in conjunction with accompanying drawing:
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: the 1-sofa seat, the 101-base, the 102-sliding seat, the 2-drive unit, 3-articulated linkage group, articulated linkage group under 301-, first connecting rod under 301a-, the 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-, 304a-master's connecting plate, 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, the 4-mobile device, 401-is tooth bar initiatively, the driven tooth bar of 402-, the 403-gear, the 404-stopping means.
The specific embodiment
The following stated is only preferred embodiment of the present invention, is not that scope of the present invention is limited.
embodiment sees 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 by drive unit 2 to do Linear-moving on base 101, 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 makes described front foot supporting pad lift by described articulated linkage group 3, and when described front foot supporting pad arrives the precalculated position, better, this precalculated position can be that front foot supporting pad is when lifting fully, certainly, it can be also the position that sets in advance, arrived 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 simultaneously with the movement of described sliding seat 102 on described base 101, 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 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 the 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 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, it is mobile on described base 101 that described drive unit 2 drives described sliding seat 102 by mobile device 4, in the present embodiment, described mobile device 4 comprises active tooth bar 401, the gear 403 that driven tooth bar 402 reaches and described active tooth bar 401, driven tooth bar 402 are meshed, described active tooth bar 401 is provided with the stopping means 404 that matches with described drive unit 2, be provided with a joint pin on the slide block of linear electric motors, 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, spacing is arranged between two limited blocks, 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 the slip draw-in groove, the 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 that matches with described slip draw-in groove, this card rail that slides is fixed on sliding seat 102, it is also the part of sliding seat 102, its existence makes active tooth bar and driven tooth bar to slide smoothly, initiatively tooth bar 401 and described driven tooth bar 402 are arranged on the card rail that slides by the slip draw-in groove, make the slip that initiatively tooth bar 401 and described driven tooth bar 402 can be back and forth, simultaneously, driven tooth bar and base 101 are fixedly connected.
Articulated linkage group 3 is two groups, general symmetrical setting, whole articulated linkage group 3 comprise 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 that is 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 that is 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 that is hinged with described front the first hinge bar 302a reaches front the 3rd hinge bar 302c that is hinged with 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 vertical plate that transverse slat reaches and long side plate is fixing 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 by the 4th inclination hinge bar 304g and described front in the middle of hinge bar 304b be hinged, the 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.
Above explanation is only explanation of the invention, make the complete enforcement this programme of those of ordinary skills' energy, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification, these are all not creative modifications.But as long as all be subject to the protection of Patent Law in claim scope of the present invention.
Claims (10)
1. a sofa, comprise 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) makes described front foot supporting pad lift by described articulated linkage group (3), and when described front foot supporting pad arrives the 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.
2. a kind of sofa according to claim 1, it is characterized in that: described drive unit (2) comprises linear electric motors or cylinder or oil cylinder or electric pushrod.
3. a kind of sofa according to claim 1 is characterized in that: it is upper mobile at described base (101) that described drive unit (2) drives described sliding seat (102) by mobile device (4).
4. a kind of sofa according to claim 3 is characterized in that: 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) that matches with described drive unit (2).
5. a kind of sofa according to claim 4, it is characterized in that: 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 the slip draw-in groove, and described sliding seat (102) is provided with the slip card rail that matches with described slip draw-in groove.
6. according to claim 1 and 2 or 3 or 4 or 5 described a kind of sofas 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) that is connected with described front articulated linkage group (302), rear articulated linkage group (303).
7. a kind of sofa according to claim 6 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).
8. a kind of sofa according to claim 6 is characterized in that: described front articulated linkage group (302) comprises front the second hinge bar (302b) of being hinged with front the first hinge bar (302a) and 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).
9. a kind of sofa according to claim 6, 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 by the 4th inclination hinge bar (304g) and described front in the middle of hinge bar (304b) be hinged, the 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.
10. according to claim 1 and 2 or 3 or 4 or 5 described a kind of sofas, it 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 true CN103381032A (en) | 2013-11-06 |
| CN103381032B 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) |
Cited By (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 |
| CN105167431A (en) * | 2015-07-28 | 2015-12-23 | 浙江工业大学 | Electric sofa bracket |
| CN106377110A (en) * | 2016-11-28 | 2017-02-08 | 嘉兴久伍智能家居有限公司 | Sofa |
| CN115251649A (en) * | 2022-09-15 | 2022-11-01 | 浙江奥尔卡机械科技股份有限公司 | Electric adjusting structure of electric sofa with high warped feet |
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 |
Cited By (7)
| 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 |
| CN105167431A (en) * | 2015-07-28 | 2015-12-23 | 浙江工业大学 | Electric sofa bracket |
| CN105167431B (en) * | 2015-07-28 | 2017-11-07 | 浙江工业大学 | Electric sofa frame |
| CN106377110A (en) * | 2016-11-28 | 2017-02-08 | 嘉兴久伍智能家居有限公司 | Sofa |
| CN106377110B (en) * | 2016-11-28 | 2019-03-05 | 沃曼家居（浙江）有限公司 | Sofa |
| CN115251649A (en) * | 2022-09-15 | 2022-11-01 | 浙江奥尔卡机械科技股份有限公司 | Electric adjusting structure of electric sofa with high warped feet |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103381032B (en) | 2016-05-04 |
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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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