CN202932424U - Multilink stretching mechanism - Google Patents
Multilink stretching mechanism Download PDFInfo
- Publication number
- CN202932424U CN202932424U CN201220594587XU CN201220594587U CN202932424U CN 202932424 U CN202932424 U CN 202932424U CN 201220594587X U CN201220594587X U CN 201220594587XU CN 201220594587 U CN201220594587 U CN 201220594587U CN 202932424 U CN202932424 U CN 202932424U
- Authority
- CN
- China
- Prior art keywords
- connecting rods
- rotating shaft
- rotationally connected
- bar
- backrest
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract 4
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000036544 posture Effects 0.000 abstract description 28
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
- A47C1/0355—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest actuated by linkages, e.g. lazy-tongs mechanisms
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to a multilink stretching mechanism for a sofa, which has reasonable structural design, high reliability and capability of achieving a lying posture, a leisure posture and a sitting posture of a sofa seat. The multilink stretching mechanism comprises a stretching mechanism, a foot plate mechanism, a backrest mechanism, an installation locating mechanism, a support mechanism and a limiting mechanism. The stretching device for the sofa adopts a multifunctional design, and achieves position regulation of the sofa at three levels including the lying posture, the leisure posture and the sitting posture through regulating the foot plate mechanism, the backrest mechanism, the installation locating mechanism and the support mechanism in the sofa, therefore the multifunctional sofa is achieved. Moreover, not only are more critical requirements of people for sofas satisfied, but also purchase of customers for sofas or chairs with different postures is reduced, and the cost is saved.
Description
Technical field
The utility model relates to many connecting rods extension means for a kind of sofa, can realize lying posture, leisure appearance and the sitting posture of sofa seat.
Background technology
Sofa extending apparatus on the present market of China generally can only be realized the single posture of seat at present, such as lying posture or sitting posture.Realize the expansion of sofa and close up by the haulage gear of sofa.Because function is simpler, can not meet modern's life style, during such as work, be sitting posture, when idle, be the leisure appearance, during rest, be lying posture.The sofa of comprehensive above three kinds of postures can provide multiple choices for people, is the progress of sofa function development.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of reasonable in design, and reliability is high, can realize many connecting rods extension means of lying posture, leisure appearance and the sitting posture of sofa seat.
In order to solve the problems of the technologies described above, the utility model provides a kind of many connecting rods extension means, and it comprises: extension means, and sole mechanism, backrest, install detent mechanism, supporting mechanism, position-limit mechanism.Described extension means comprises 16, No. eight connecting rods 19 of 14, No. seven connecting rods of 13, No. six connecting rods of 11, No. five connecting rods of 9, No. four connecting rods of 8, No. three connecting rods of 2, No. two connecting rods of a connecting rod, rotating shaft transmission bar 12.Sole mechanism comprises leg bar 1, leg bar 25, leg bar 36, leg bar 47, sole support 4, toe board 1.Backrest comprises backrest backplate 10, back rest 22.Backrest comprises backrest backplate, the back rest that is L-type; Detent mechanism is installed and is comprised L-type connecting plate 17, installing plate 24, location-plate 25.Supporting mechanism comprises 15, No. two support bars 18 of a support bar, and base 23 is located at the footing 20 of these base 23 bottoms.
Position-limit mechanism comprises: backer one A, backer two B, backer three C, backer four D, backer five E, backer six F, backer seven G.
Described toe board 1 is rotationally connected by rotating shaft with an end of leg bar 1 and leg bar 25, and sole support 4 also is rotationally connected by rotating shaft with leg bar 1 and leg bar 25, and leg bar 36 is rotationally connected by rotating shaft with leg bar 1 and backrest backplate 10 respectively.Leg bar 47 is rotationally connected by rotating shaft with leg bar 8, No. three connecting rods 9 of 25, No. two connecting rods and backrest backplate 10.No. six connecting rods 14 respectively with backrest backplate 10, rotating shaft transmission bar 12 and a support bar 15 are rotationally connected by rotating shaft, No. four connecting rods 11 and No. two connecting rods 8 are rotationally connected by rotating shaft, No. seven connecting rods 16 and a support bar 15, a connecting rod 2 and No. five connecting rods 13 are rotationally connected by rotating shaft, No. three connecting rods 9 and No. five connecting rods 13 are rotationally connected by rotating shaft, support bar 15 1 end and base 23 are rotationally connected by rotating shaft, connecting rod 2 and backrest backplate 10, No. five connecting rods 13 and No. seven connecting rods 16 are rotationally connected by rotating shaft, backrest backplate 10 and L-type connecting plate 17, back rest 22, rotating shaft transmission bar 12 and a connecting rod 2 are rotationally connected by rotating shaft, No. eight connecting rod 19 is rotationally connected by rotating shaft with back rest 22 and L-type connecting plate 17, one end and the connecting plate 17 of No. two support bars 18 are rotationally connected by rotating shaft, the other end and base 23 are rotationally connected by rotating shaft, installing plate 24 is connected with backrest backplate 10 by rivet, location-plate 25 and backrest backplate 10, rotating shaft transmission bar 12, No. two connecting rods 8, No. one support bar 15 is rotationally connected by rotating shaft.
When this many connecting rods extension means, during in sitting posture, the angle between back rest 22 and ground is 62 ° ± 2 °.
When this many connecting rods extension means, during in lying posture, the angle between back rest 22 and ground is 30 ° ± 2 °.
When this many connecting rods extension means, when lying fallow appearance, the angle between back rest 22 and ground is 57 ° ± 2 °.
The spacing of the two ends installing hole of No. two support bars 18 is 186.4mm.
The beneficial effects of the utility model are embodied in: the Multifunctional design of sofa extending apparatus, by adjusting the sole mechanism in sofa, backrest, detent mechanism is installed, supporting mechanism, realize that sofa is regulated in lying posture, leisure appearance and sitting posture three file locations, a kind of sofa several functions.Not only met people's requirement more fastidious to sofa, reduced the buying of client for different gestures sofa or chair simultaneously, provided cost savings.
The accompanying drawing explanation
For the detailed construction of this multifunction sofa extension means of clear explanation and to the technical advantage of existing product, the below possible embodiment of limiting examples explanation by the described principle of application by means of accompanying drawing.In the drawings:
Fig. 1 be described many connecting rods extension means when sitting posture, the structural representation of extension means;
Fig. 2 is this many connecting rods extension means when the leisure appearance, the structural representation of extension means;
Fig. 3 be this many connecting rods extension means when lying posture, the structural representation of extension means.
Below the concrete title of each sign in figure:
1 toe board, No. 2 connecting rods, 3 leg bars one, 4 sole supports, 5 leg bars two, 6 leg bars three, 7 leg bars four, 8 No. two connecting rods, 9 No. three connecting rods, 10 backrest backplates, 11 No. four connecting rods, 12 rotating shaft transmission bars, 13 No. five connecting rods, 14 No. six connecting rods, No. 15 support bars, 16 No. seven connecting rods, 17L type connecting plate, 18 No. two support bars, 19 No. eight connecting rods, 20 footing, 22 back rest, 23 bases, 24 installing plates, 25 location-plates.
A backer one, and B backer two, and C backer three, and D backer four, and E backer five, and F backer six, and G backer seven.
101 first confined planes, 102 second confined planes, 103 the 3rd confined planes, 104 the 4th confined planes, 105 the 5th confined planes, 106 the 6th confined planes.
The specific embodiment
As shown in Figures 1 to 3, many connecting rods extension means for the sofa of the present embodiment, comprise extension means, sole mechanism, and backrest, install detent mechanism, supporting mechanism, position-limit mechanism.Described extension means comprises 16, No. eight connecting rods 19 of 14, No. seven connecting rods of 13, No. six connecting rods of 11, No. five connecting rods of 9, No. four connecting rods of 8, No. three connecting rods of 2, No. two connecting rods of a connecting rod, rotating shaft transmission bar 12.Sole mechanism comprises leg bar 1, leg bar 25, leg bar 36, leg bar 47, sole support 4, toe board 1.Backrest comprises the backrest backplate 10 that is L-type, back rest 22.Detent mechanism is installed and is comprised L-type connecting plate 17, installing plate 24, location-plate 25.Supporting mechanism comprises 15, No. two support bars 18 of a support bar, base 23, footing 20.Position-limit mechanism comprises backer one A, backer two B, backer three C, backer four D, backer five E, backer six F, backer seven G.
Described toe board 1 is rotationally connected by rotating shaft with an end of leg bar 1 and leg bar 25, and sole support 4 also is rotationally connected by rotating shaft with leg bar 1 and leg bar 25, and leg bar 36 is rotationally connected by rotating shaft with leg bar 1 and backrest backplate 10 respectively.Leg bar 47 is rotationally connected by rotating shaft with leg bar 8, No. three connecting rods 9 of 25, No. two connecting rods and backrest backplate 10.No. six connecting rods 14 respectively with backrest backplate 10, rotating shaft transmission bar 12 and a support bar 15 are rotationally connected by rotating shaft, No. four connecting rods 11 and No. two connecting rods 8 are rotationally connected by rotating shaft, No. seven connecting rods 16 and a support bar 15, a connecting rod 2 and No. five connecting rods 13 are rotationally connected by rotating shaft, No. three connecting rods 9 and No. five connecting rods 13 are rotationally connected by rotating shaft, support bar 15 1 end and base 23 are rotationally connected by rotating shaft, connecting rod 2 and backrest backplate 10, No. five connecting rods 13 and No. seven connecting rods 16 are rotationally connected by rotating shaft, backrest backplate 10 and L-type connecting plate 17, back rest 22, rotating shaft transmission bar 12 and a connecting rod 2 are rotationally connected by rotating shaft, No. eight connecting rod 19 is rotationally connected by rotating shaft with back rest 22 and L-type connecting plate 17, one end and the connecting plate 17 of No. two support bars 18 are rotationally connected by rotating shaft, the other end and base 23 are rotationally connected by rotating shaft, installing plate 24 is connected with backrest backplate 10 by rivet, location-plate 25 and backrest backplate 10, rotating shaft transmission bar 12, No. two connecting rods 8, No. one support bar 15 is rotationally connected by rotating shaft.
The spacing of the two ends installing hole of described No. two support bars 18 is 186.4mm.
When this sofa, during in sitting posture, as shown in Figure 3, the angle between back rest 22 and ground is 62 ° ± 2 °; Leg bar 1 and sole support 4, leg bar 25 will be in contraction state, and the backer A on the sole support contacts with the first confined planes 101 on leg bar 25.Backer B on leg bar 36 contacts with the second confined planes 102 on leg bar 25.Backer C on location-plate 25 contacts with the 7th confined planes 107 on leg bar 47 and the confined planes 100 on backrest backplate 10, backer E on No. four connecting rods 11 contacts with the 3rd confined planes 103 on No. five connecting rods 13, and the backer F on L-type connecting plate 17 contacts with the 4th confined planes 104 on backrest backplate 10.Backer G on L-type connecting plate 17 contacts with the 5th confined planes 105 on No. two support bars 18.When sofa, during in sitting posture, people's weight will be delivered on base by above-mentioned each backer and confined planes, thereby each backer must be good with contacting of restriction face.
When sofa, during in lying posture, as shown in Figure 1, the angle between back rest 22 and ground is 30 ° ± 2 °; Backer B on leg bar 36 contacts with the confined planes 108 on leg bar 5, backer D on backrest backplate 10 contacts with the restriction face 109 on location-plate 25, backer F on L-type connecting plate 17 contacts with the restriction face 106 on No. eight connecting rods 19, above-mentioned backer and restriction face can the grantee weight, the position of restriction kind of a mechanism, make sofa remain on lying posture.
When sofa, when lying fallow appearance, as shown in Figure 2, the angle between back rest 22 and ground is 57 ° ± 2 °.Restriction face 111 on backer C on location-plate 25 and restriction face 110 on backrest backplate 10 and No. three connecting rods 9 contacts, backer F on L-type connecting plate 17 contacts with the restriction face 112 on backrest backplate 10, above-mentioned backer supports people's weight and limits the relative position of each mechanism, makes sofa remain on the leisure appearance.
Above-mentioned explanation for the embodiment that applies the utility model innovative principle is that the limiting examples of described principle is provided in the exclusive authority scope in order here to require.For example, the variation that the size of sofa is made according to the size of connecting rod; The shape of each connecting rod and plate can be made adjustment according to client's demand; The position of backer on connecting rod and plate can be adjusted according to height and length requirement under three kinds of sitting postures of sofa; Backrest and sole mechanism can be adjusted according to customer requirement etc.
Claims (3)
1. connecting rod extension means more than a kind, is characterized in that comprising: extension means, sole mechanism, backrest, installation detent mechanism, supporting mechanism, position-limit mechanism;
Described extension means comprises: connecting rod, No. two connecting rods, No. three connecting rods, No. four connecting rods, No. five connecting rods, No. six connecting rods, No. seven connecting rods, No. eight connecting rods, rotating shaft transmission bar;
Described sole mechanism comprises: leg bar one, leg bar two, leg bar three, leg bar four, sole support, toe board;
Backrest comprises backrest backplate, the back rest that is L-type;
Described installation detent mechanism comprises: L-type connecting plate, installing plate, location-plate;
Described supporting mechanism comprises: support bar, No. two support bars, base;
Described leg bar two is provided with the first confined planes and the second confined planes, the rotating shaft transmission bar is provided with the 3rd confined planes, and the backrest backplate is provided with the 4th confined planes, and No. two support bar is provided with the 5th confined planes, No. eight connecting rod is provided with the 6th confined planes, and leg bar four is provided with the 7th confined planes;
One end of described toe board and leg bar one and leg bar two is rotationally connected by rotating shaft, and sole support and leg bar one and leg bar two also are rotationally connected by rotating shaft, and leg bar three is rotationally connected by rotating shaft with leg bar one and backrest backplate respectively; Leg bar four and two, No. two connecting rods of leg bar, No. three connecting rods and backrest backplate are rotationally connected by rotating shaft;
Described No. six connecting rods are rotationally connected by rotating shaft with backrest backplate, rotating shaft transmission bar and a support bar respectively; No. four connecting rods and No. two connecting rods are rotationally connected by rotating shaft, and No. seven connecting rods and a support bar, a connecting rod and No. five connecting rods are rotationally connected by rotating shaft; No. three connecting rods and No. five connecting rods are rotationally connected by rotating shaft, and support bar one end and base are rotationally connected by rotating shaft; Connecting rod and backrest backplate, No. five connecting rods and No. seven connecting rods are rotationally connected by rotating shaft, backrest backplate and L-type connecting plate, back rest, rotating shaft transmission bar and a connecting rod are rotationally connected by rotating shaft, and No. eight connecting rods and back rest and L-type connecting plate are rotationally connected by rotating shaft;
One end and the connecting plate of described No. two support bars are rotationally connected by rotating shaft, and the other end and base are rotationally connected by rotating shaft, and installing plate is connected with the backrest backplate by rivet;
Described location-plate and backrest backplate, rotating shaft transmission bar, No. two connecting rods, a support bar are rotationally connected by rotating shaft.
2. many connecting rods extension means according to claim 1 is characterized in that: when this many connecting rods extension means, during in sitting posture, the angle between back rest and ground is 62 ° ± 2 °;
When this many connecting rods extension means, during in lying posture, the angle between back rest and ground is 30 ° ± 2 °;
When this many connecting rods extension means, when lying fallow appearance, the angle between back rest and ground is 57 ° ± 2 °.
3. many connecting rods extension means according to claim 1 and 2 is characterized in that: the spacing of the two ends installing hole of described No. two support bars is 186.4mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220594587XU CN202932424U (en) | 2012-11-12 | 2012-11-12 | Multilink stretching mechanism |
| US13/724,365 US20140132038A1 (en) | 2012-11-12 | 2012-12-21 | Developed seating comfort wall-proximity mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220594587XU CN202932424U (en) | 2012-11-12 | 2012-11-12 | Multilink stretching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202932424U true CN202932424U (en) | 2013-05-15 |
Family
ID=48316697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220594587XU Expired - Fee Related CN202932424U (en) | 2012-11-12 | 2012-11-12 | Multilink stretching mechanism |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20140132038A1 (en) |
| CN (1) | CN202932424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876500A (en) * | 2014-02-18 | 2014-06-25 | 浙江工业大学 | Electric transfer leisure chair |
| CN105455470A (en) * | 2015-12-22 | 2016-04-06 | 锐迈机械科技（吴江）有限公司 | An elderly chair mechanism |
| WO2022156781A1 (en) * | 2021-01-22 | 2022-07-28 | 德沃康科技集团有限公司 | Sofa extension apparatus |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106263778B (en) * | 2016-10-19 | 2018-12-18 | 礼恩派(嘉兴)有限公司 | Mechanical extending device and seat unit including the mechanical extending device |
| CN214284112U (en) * | 2020-08-07 | 2021-09-28 | 张孝兆 | Bracket extension device, frame body with same and chair |
| CN213097009U (en) * | 2020-09-24 | 2021-05-04 | 张孝兆 | Seat moving mechanism, seat frame and seat |
| US12207731B2 (en) * | 2021-10-08 | 2025-01-28 | Dewertokin Technology Group Co., Ltd. | Sofa seat stretching device |
| CA3157037C (en) * | 2021-11-30 | 2025-09-09 | Dewertokin Tech Group Co Ltd | SEAT FRAME |
| CN217337955U (en) * | 2021-12-02 | 2022-09-02 | 顾家家居股份有限公司 | Stretching device of zero-gravity functional sofa |
| CN220800549U (en) * | 2023-08-28 | 2024-04-19 | 一么么科技(浙江)有限公司 | Electromechanical stretching device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249772A (en) * | 1979-07-03 | 1981-02-10 | Rogers Walter C Jr | Wall-avoiding recliner chair |
| US5072988A (en) * | 1987-06-09 | 1991-12-17 | Super Sagless Corporation | Wall proximity chair |
| US4989914A (en) * | 1988-10-21 | 1991-02-05 | Action Industries, Inc. | Recliner chair with mechanism permitting proximity of upper end of chair back to room wall |
| US5992930A (en) * | 1997-05-13 | 1999-11-30 | La-Z-Boy Incorporated | Wall proximity reclining chair |
| US7040692B1 (en) * | 2004-11-15 | 2006-05-09 | Jpd, Inc. | Support mechanism for rocker-recliner chair |
| US7357450B2 (en) * | 2005-04-27 | 2008-04-15 | M & M Frame Co., Inc. | Wall-avoiding high leg recliner chair |
| US7396074B2 (en) * | 2006-06-08 | 2008-07-08 | L & P Property Management Company | Linkage mechanism for a recliner chair |
| US7850232B2 (en) * | 2007-03-09 | 2010-12-14 | Ashley Furniture Industries, Inc. | Zero clearance recliner mechanism |
| US8123289B2 (en) * | 2008-09-24 | 2012-02-28 | I-Trust Better Life Corp | Lift chair and a chair frame with a position holding mechanism for use therewith |
| US8113574B2 (en) * | 2008-11-24 | 2012-02-14 | Ultra-Mek, Inc. | Rocking-reclining seating unit with power actuator |
| US8398168B2 (en) * | 2010-01-15 | 2013-03-19 | L & P Property Management Company | Powered glider recliner linkage mechanism |
-
2012
- 2012-11-12 CN CN201220594587XU patent/CN202932424U/en not_active Expired - Fee Related
- 2012-12-21 US US13/724,365 patent/US20140132038A1/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876500A (en) * | 2014-02-18 | 2014-06-25 | 浙江工业大学 | Electric transfer leisure chair |
| CN105455470A (en) * | 2015-12-22 | 2016-04-06 | 锐迈机械科技（吴江）有限公司 | An elderly chair mechanism |
| CN105455470B (en) * | 2015-12-22 | 2018-02-09 | 锐迈机械科技（吴江）有限公司 | An elderly chair mechanism |
| CN105455470B9 (en) * | 2015-12-22 | 2020-11-13 | 锐迈机械科技（吴江）有限公司 | Old man's chair mechanical device |
| WO2022156781A1 (en) * | 2021-01-22 | 2022-07-28 | 德沃康科技集团有限公司 | Sofa extension apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140132038A1 (en) | 2014-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20151112 |
|
| EXPY | Termination of patent right or utility model |