CN109393818B - Electric functional sofa - Google Patents
Electric functional sofa Download PDFInfo
- Publication number
- CN109393818B CN109393818B CN201811394676.8A CN201811394676A CN109393818B CN 109393818 B CN109393818 B CN 109393818B CN 201811394676 A CN201811394676 A CN 201811394676A CN 109393818 B CN109393818 B CN 109393818B
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- Prior art keywords
- connecting rod
- hinged
- rod
- support
- driving mechanism
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- 230000007306 turnover Effects 0.000 claims abstract description 28
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
- A47C17/17—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses an electric functional sofa, which comprises a base, wherein a cushion framework is slidably arranged on the base, a turnover type leg support is arranged at the front end of the cushion framework, a chair back is rotatably arranged at the rear end of the cushion framework, a driving mechanism for driving the turnover type leg support to be unfolded is arranged on the base, and after the turnover type leg support is partially unfolded, the driving mechanism can drive the cushion framework to slide on the base and the chair back to rotate relative to the cushion framework through a linkage assembly. The beneficial effects of the invention are as follows: the structure is simple, the zero-leaning wall placement can be realized, and a plurality of comfortable and arbitrary use modes can be provided.
Description
Technical Field
The invention belongs to the technical field of household sofas, and particularly relates to an electric functional sofa.
Background
With the development of society, people are increasingly pursuing quality of life. For the choice of furniture, consumers have not been limited to a single function, and more so, it is the modern thinking that it is desirable to maximize the utilization of the furniture. Such as seats or sofas, consumers are more in pursuit of comfort, such as the ability to provide a variety of modes of use, such as reading, lying down, etc., while as research and development continues to go deep, functional sofas are also available in the market, but these sofas still suffer from deficiencies in terms of multi-mode use, such as the inability to conveniently switch between modes when placed against a wall.
Disclosure of Invention
In view of the above, the invention provides an electric sofa which has a simple structure, can be placed against a wall without being blocked, and can provide a plurality of comfortable and arbitrary use modes.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
an electric functional sofa, includes the base, its key lies in: the seat cushion is characterized in that a seat cushion framework is slidably arranged on the base, a turnover type leg support is arranged at the front end of the seat cushion framework, a seat back is rotatably arranged at the rear end of the seat cushion framework, a driving mechanism for driving the turnover type leg support to be unfolded is arranged on the base, and after the turnover type leg support is partially unfolded, the seat cushion framework and the seat back can move simultaneously along with the turnover type leg support under the action of a linkage assembly.
By adopting the structure, the sofa can be deformed into various modes for use, one is: a sitting posture mode, namely that the driving mechanism does not work, and the sofa keeps an original state; and the second is: the comfortable mode is that the driving mechanism only drives the folding leg rest to unfold by 60 degrees, and the positions of the cushion framework and the chair back are not adjusted; thirdly, it is: in any mode, namely after the folding leg support is unfolded for 60 degrees, the chair back, the seat cushion framework and the folding leg support are linked under the driving of the driving mechanism, and in the mode, a user can adjust at will according to the use requirement of the user. In addition, in the switching process of the modes, the upper edge of the chair back can be always positioned in the same vertical plane, so that the sofa can be placed or installed on a zero-leaning wall.
As preferable: the cushion framework comprises side support plates symmetrically arranged on two sides of the upper end of the base, and the side support plates are slidably mounted on the base through sliding rails. With the structure, the device is convenient to install and manufacture.
As preferable: the turnover type leg support comprises a support frame, the support frame is rotationally connected to a cushion framework through turnover assemblies on two sides, the turnover assemblies comprise a first connecting rod and a second connecting rod, the end parts of the first connecting rod and the second connecting rod are hinged to the support frame, and a third connecting rod and a fourth connecting rod, the end parts of the third connecting rod and the fourth connecting rod are hinged to each other in the middle of the support frame, the first connecting rod is hinged to the far end of the fourth connecting rod at one end far away from the support frame, and the second connecting rod is hinged to the far end of the third connecting rod at one end far away from the support frame. By adopting the structure, the electric telescopic rod pushes the fourth connecting rod to move, so that the folding leg support can be opened and closed.
As preferable: a transverse rod is fixedly arranged between the two symmetrical fourth connecting rods, and the driving mechanism pushes the overturning assembly to move through the transverse rod. By adopting the structure, the installation is convenient, and the driving structure can be used for effectively ensuring the opening and closing of the driving turnover type leg support.
As preferable: the linkage assembly comprises a fifth connecting rod, a sixth connecting rod and a seventh connecting rod which are sequentially hinged, wherein the fifth connecting rod is hinged to the chair back at one end far away from the sixth connecting rod, the middle part of the sixth connecting rod is rotationally connected with the side supporting plate through a conversion block, and the seventh connecting rod is hinged to the base at one end far away from the sixth connecting rod; the horizontal rod is fixedly provided with a linkage part, an eighth connecting rod is arranged between the linkage part and the fifth connecting rod, the linkage part is provided with an arc groove, one end of the eighth connecting rod is provided with a guide post which is adaptive to the arc groove, and the other end of the eighth connecting rod is rotationally connected to the fifth connecting rod. By adopting the structure, the driving mechanism can independently push the turnover type leg support to move in advance in the radian range of the arc-shaped groove, and when the guide post slides in the radian range of the arc-shaped groove, the chair back, the cushion framework and the turnover type leg support can be linked.
As preferable: the lower extreme of back of the chair is equipped with the bracing piece, and the both ends of this bracing piece rotate and install in on the side support board. By adopting the structure, the installation is convenient.
As preferable: and the support rod is fixedly provided with a switching part which extends outwards along the radial direction of the support rod, and one end of the fifth connecting rod, which is far away from the sixth connecting rod, is hinged on the switching part. By adopting the structure, the driving mechanism can be ensured to pull the chair back to rotate through the eighth connecting rod and the fifth connecting rod.
As preferable: the linkage part is in a fan-shaped platy structure, and the central angle corresponding to the arc-shaped groove is 50-70 degrees.
As preferable: the driving mechanism is an electric telescopic rod, one end of the driving mechanism is hinged to the base, and the other end of the driving mechanism is hinged to the middle of the transverse rod. By adopting the structure, the installation is convenient.
Compared with the prior art, the invention has the beneficial effects that:
the electric functional sofa provided by the invention can be deformed into various modes for use, and one is that: a sitting posture mode, namely that the driving mechanism does not work, and the sofa keeps an original state; and the second is: the comfortable mode is that the driving mechanism only drives the folding leg rest to unfold by 60 degrees, and the positions of the cushion framework and the chair back are not adjusted; thirdly, it is: in any mode, namely after the folding leg support is unfolded for 60 degrees, the chair back, the seat cushion framework and the folding leg support are linked under the driving of the driving mechanism, and in the mode, a user can adjust at will according to the use requirement of the user. In addition, in the switching process of the modes, the upper edge of the chair back can be always positioned in the same vertical plane, so that the sofa can be placed or installed on a zero-leaning wall.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic diagram showing the connection relationship between the eighth link and the linkage member.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1, an electric sofa comprises a base 1, a cushion framework 3 is slidably arranged on the base 1 through a sliding rail 2, a turnover type leg support A is arranged at the front end of the cushion framework 3, a chair back 4 is rotatably arranged at the rear end of the cushion framework, a driving mechanism B for driving the turnover type leg support A to be unfolded is arranged on the base 1, after the driving mechanism B is started, the sofa mainly moves in two parts, namely the turnover type leg support A is driven to be unfolded independently by 60 degrees, the cushion framework 3 and the chair back 4 are kept motionless in the process, and then the cushion framework 3 is simultaneously driven to slide on the base 1 through a linkage assembly C, the chair back 4 rotates relative to the cushion framework 3, and the turnover type leg support A is unfolded by 30 degrees.
Based on the structural arrangement, the sofa can be deformed into various modes for use, one is: a sitting posture mode, namely that the driving mechanism B does not work, and the sofa keeps an original state; and the second is: the comfortable mode, namely the driving mechanism B only drives the folding leg rest A to be unfolded for 60 degrees independently, the positions of the cushion framework 3 and the chair back 4 are not adjusted, and the folding leg rest can be used for a user to read books in the comfortable mode, so that the comfort is good; thirdly, it is: in any mode, namely after the folding leg support A is unfolded for 60 degrees, under the driving of the driving mechanism B, the cushion framework 3, the seat back 4 and the folding leg support A are linked, and in the mode, a user can adjust at will according to the use requirement of the user.
For easy assembly and manufacture, the seat cushion frame 3 includes side support plates 3a symmetrically disposed on both sides of the upper end of the base 1, and the side support plates 3a are slidably mounted on the base 1 through slide rails 2.
As shown in fig. 1 and 2, the folding leg rest a includes a support frame 5 rotatably connected to the seat cushion frame 3 by a turnover assembly 6 on both sides, the turnover assembly 6 including a first link 6a and a second link 6b having ends hinged to the support frame 5, and a third link 6c and a fourth link 6d having ends hinged to the side support plate 3a, wherein the first link 6a and the third link 6c are hinged to each other at a middle portion, and the first link 6a is hinged to a distal end of the fourth link 6d at an end remote from the support frame 5, and the second link 6b is hinged to a distal end of the third link 6c at an end remote from the support frame 5; a transverse rod 7 is fixedly arranged between the two symmetrical fourth connecting rods 6d, and when the sofa works, the driving mechanism B works and pushes the transverse rod 7 to move forwards, so that the folding leg rest A is driven to automatically unfold.
In this embodiment, the driving mechanism B is preferably an electric telescopic rod, one end of which is hinged to the base 1, and the other end of which is hinged to the middle part of the transverse rod 7.
As shown in fig. 1 to 3, the linkage assembly C includes a fifth connecting rod 9, a sixth connecting rod 10 and a seventh connecting rod 11 which are hinged in sequence, wherein the fifth connecting rod 9 is hinged on the chair back 4 at one end far away from the sixth connecting rod 10, the middle part of the sixth connecting rod 10 is connected with the side support plate 3a in a rotating way through a conversion block 12, and the seventh connecting rod 11 is hinged on the base 1 at one end far away from the sixth connecting rod 10; the transverse rod 7 is fixedly provided with a linkage part 14, an eighth connecting rod 13 is arranged between the linkage part 14 and the fifth connecting rod 9, an arc-shaped groove 14a is formed in the linkage part 14, one end of the eighth connecting rod 13 is provided with a guide post 13a which is matched with the arc-shaped groove 14a, the other end of the eighth connecting rod is rotationally connected to the fifth connecting rod 9, the driving mechanism B can independently push the turnover type leg rest A to move in advance in the radian range of the arc-shaped groove 14a, and after the guide post 13a slides in the radian range of the arc-shaped groove 14a, the seat back 4, the cushion framework 3 and the turnover type leg rest A can be synchronously driven to realize linkage.
As shown in fig. 3, the linkage member 14 has a fan-shaped plate structure, and the arc-shaped groove 14a has a central angle of 50-70 ° and preferably 60 ° in this embodiment.
As shown in fig. 1, for easy installation, the lower end of the chair back 4 is provided with a support rod 4a, two ends of the support rod 4a are rotatably mounted on the side support plate 3a, a transfer part 4B extending radially outwards is fixedly mounted on the support rod 4a, one end of the fifth connecting rod 9, which is far away from the sixth connecting rod 10, is hinged on the transfer part 4B, and the structure can ensure that the driving mechanism B pulls the chair back 4 to rotate through the eighth connecting rod 13 and the fifth connecting rod 9.
As shown in fig. 2, the second connecting rod 6b is provided with a limiting hole 17 at one end close to the side support plate 3a, the side support plate 3a is provided with a limiting column 16 at the position, and when the folding leg rest a is unfolded and closed, the limiting column 16 moves in the limiting hole 17 and can play a role in limiting the rotation range of the folding leg rest a.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (3)
1. An electric functional sofa, comprising a base (1), characterized in that: the seat comprises a seat body, a seat frame (3) is slidably arranged on the seat body (1), a turnover type leg support (A) is arranged at the front end of the seat frame (3), a seat back (4) is rotatably arranged at the rear end of the seat frame, a driving mechanism (B) for driving the turnover type leg support (A) to be unfolded is arranged on the seat body (1), and after the turnover type leg support (A) is partially unfolded, the seat frame (3) and the seat back (4) can move along with the turnover type leg support (A) simultaneously under the action of a linkage assembly (C);
the cushion framework (3) comprises side support plates (3 a) symmetrically arranged at two sides of the upper end of the base (1), and the side support plates (3 a) are slidably arranged on the base (1) through sliding rails (2);
the turnover type leg support (A) comprises a support frame (5), the support frame (5) is rotationally connected to a seat cushion framework (3) through turnover assemblies (6) on two sides, the turnover assemblies (6) comprise a first connecting rod (6 a) and a second connecting rod (6 b), the end parts of which are hinged to the support frame (5), and a third connecting rod (6 c) and a fourth connecting rod (6 d), the end parts of which are hinged to the side support plates (3 a), wherein the first connecting rod (6 a) and the third connecting rod (6 c) are hinged to each other in the middle, the first connecting rod (6 a) is hinged to the far end of the fourth connecting rod (6 d) at one end far away from the support frame (5), and the second connecting rod (6 b) is hinged to the far end of the third connecting rod (6 c) at one end far away from the support frame (5); a transverse rod (7) is fixedly arranged between the two symmetrical fourth connecting rods (6 d), and the driving mechanism (B) pushes the overturning assembly (6) to move through the transverse rod (7);
the linkage assembly (C) comprises a fifth connecting rod (9), a sixth connecting rod (10) and a seventh connecting rod (11) which are sequentially hinged, wherein one end, far away from the sixth connecting rod (10), of the fifth connecting rod (9) is hinged on the chair back (4), the middle part of the sixth connecting rod (10) is rotationally connected with the side supporting plate (3 a) through a conversion block (12), and one end, far away from the sixth connecting rod (10), of the seventh connecting rod (11) is hinged on the base (1);
a linkage part (14) is fixedly arranged on the transverse rod (7), an eighth connecting rod (13) is arranged between the linkage part (14) and the fifth connecting rod (9), an arc-shaped groove (14 a) is formed in the linkage part (14), a guide post (13 a) which is adaptive to the arc-shaped groove (14 a) is arranged at one end of the eighth connecting rod (13), and the other end of the eighth connecting rod is rotatably connected to the fifth connecting rod (9);
the linkage part (14) is in a fan-shaped plate structure, and the central angle corresponding to the arc-shaped groove (14 a) is 50-70 degrees;
the driving mechanism (B) is an electric telescopic rod, one end of the driving mechanism is hinged to the base (1), and the other end of the driving mechanism is hinged to the middle of the transverse rod (7).
2. The electrically powered functional sofa of claim 1 wherein: the lower end of the chair back (4) is provided with a supporting rod (4 a), and two ends of the supporting rod (4 a) are rotatably arranged on the side supporting plate (3 a).
3. The electrically powered functional sofa of claim 2 wherein: the support rod (4 a) is fixedly provided with a switching part (4 b) extending outwards along the radial direction of the support rod, and one end of the fifth connecting rod (9) far away from the sixth connecting rod (10) is hinged on the switching part (4 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394676.8A CN109393818B (en) | 2018-11-21 | 2018-11-21 | Electric functional sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394676.8A CN109393818B (en) | 2018-11-21 | 2018-11-21 | Electric functional sofa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109393818A CN109393818A (en) | 2019-03-01 |
| CN109393818B true CN109393818B (en) | 2024-02-20 |
Family
ID=65474607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811394676.8A Active CN109393818B (en) | 2018-11-21 | 2018-11-21 | Electric functional sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109393818B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713910A (en) * | 2019-03-18 | 2020-09-29 | 厦门松霖科技股份有限公司 | Storage part folding mechanism and sofa |
| CN110594256A (en) * | 2019-09-29 | 2019-12-20 | 佛山市南海申晖五金塑料家具有限公司 | Combined type sofa seamless connector and mounting structure thereof |
| CN110623452A (en) * | 2019-10-29 | 2019-12-31 | 重庆延锋安道拓汽车部件***有限公司 | Intelligent household sofa seat |
| CN113547961B (en) * | 2021-08-26 | 2022-11-18 | 延锋国际座椅***有限公司 | Zero-gravity seat structure |
| CN115009129A (en) * | 2022-06-28 | 2022-09-06 | 浙江极氪智能科技有限公司 | Seat leg support and vehicle comprising same |
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| CN207996083U (en) * | 2017-11-29 | 2018-10-23 | 昝建超 | A kind of back of the body seat gearing sofa |
| CN209202509U (en) * | 2018-11-21 | 2019-08-06 | 重庆延锋安道拓汽车部件***有限公司 | Electric household function sofa |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5884640B2 (en) * | 2012-05-28 | 2016-03-15 | トヨタ紡織株式会社 | Vehicle seat |
| CN106132828A (en) * | 2014-04-03 | 2016-11-16 | B/E航空公司 | Extendible leg support for aircraft passenger seat |
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|---|---|---|---|---|
| JPH09313291A (en) * | 1996-06-03 | 1997-12-09 | Araco Corp | Seat cushion structure for seat of vehicle |
| KR20000003124A (en) * | 1998-06-26 | 2000-01-15 | 김판수 | Sofa able to be changed to bed |
| JP2001292858A (en) * | 2000-04-17 | 2001-10-23 | Johnson Controls Automotive Systems Corp | Motor-driven ottoman device |
| KR20100054958A (en) * | 2008-11-17 | 2010-05-26 | 임성진 | Multi-function sofa |
| WO2015043474A1 (en) * | 2013-09-24 | 2015-04-02 | 浙江永艺家具股份有限公司 | Support frame driving mechanism for swivel chair chassis |
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| Publication number | Publication date |
|---|---|
| CN109393818A (en) | 2019-03-01 |
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