CN109393818A

CN109393818A - Electric functions sofa

Info

Publication number: CN109393818A
Application number: CN201811394676.8A
Authority: CN
Inventors: 许少滨; 易启洪; 陈志勇; 任熊; 任四刚; 何恩泽; 陆智; 易云红
Original assignee: Chongqing Yanfeng Adient Automotive Components Co Ltd
Current assignee: Chongqing Adient Automotive Components Co Ltd
Priority date: 2018-11-21
Filing date: 2018-11-21
Publication date: 2019-03-01
Anticipated expiration: 2038-11-21
Also published as: CN109393818B

Abstract

This invention discloses an electric functional sofa, including a base on which a seat cushion frame is slidably mounted. A folding leg rest is attached to the front end of the seat cushion frame, and a backrest is rotatably mounted to the rear end. The base is equipped with a drive mechanism for unfolding the folding leg rest. After the folding leg rest is unfolded, the drive mechanism can simultaneously drive the seat cushion frame to slide on the base and the backrest to rotate relative to the seat cushion frame via a linkage component. The advantages of this invention are: simple structure, ability to be placed without wall contact, and provision of multiple usage modes such as comfortable and flexible.

Description

Electric functions sofa

Technical field

The invention belongs to household sofa technical fields, and in particular to a kind of electric functions sofa.

Background technique

With the development of society, the pursuit of quality of the life is just being continuously improved in people.Selection for furniture, consumer is Through being not limited solely to single function, more it is desirable to the utilization rate of furniture reaching highest, this is only the think of of modernization Dimension.For example seat or sofa, consumer are more to pursue comfort, a variety of uses such as are capable of providing reading, lie low Also there are some functional sofas on the market in the function of mode, and deepening continuously with research and development, but these sofas are more Mode using for the use of there are still deficiencies, such as be placed against the wall set when, tune can not be easily switched between each mode It is whole.

Summary of the invention

In view of this, the present invention provides a kind of electric functions sofa, structure is simple, can not only realize that zero is placed against the wall and sets, A variety of use patterns such as comfortable, any can also be provided.

To achieve the above object, technical solution of the present invention is as follows:

A kind of electric functions sofa, including pedestal, key are: cushion bone is slidably provided on the pedestal Frame, the front end of cushion skeleton are equipped with turnover type leg support, and rear end is rotatably mounted with the chair back, and the pedestal is equipped with for driving The driving mechanism of dynamic turnover type leg support expansion, and after turnover type leg support is the partially unfolded, cushion skeleton and the chair back can link Under component effect, moved simultaneously with turnover type leg support.

Using the above structure, sofa can be deformed into various modes use, one is: sitting posture mode, i.e. driving mechanism are not Work, sofa keep reset condition；The second is: comfort mode, i.e. driving mechanism only drive turnover type leg support to be unfolded 60 °, cushion The position of skeleton and the chair back does not adjust；The third is: arbitrary patterns are unfolded 60 ° in turnover type leg support and then in driving machine Under the driving of structure, the chair back, cushion skeleton and turnover type leg support three linkage, under this mode, user can be according to oneself use Demand is arbitrarily adjusted.And in the handoff procedure of above-mentioned various modes, the upper edge of the chair back can be located at same perpendicular always Within straight plane, it is ensured that sofa zero, which is placed against the wall, to be set or install.

As preferred: the cushion skeleton includes being symmetricly set on the side support plate of pedestal upper end two sides, and side support plate is logical Sliding rail is crossed to be slidably installed on the base.Using the above structure, it is easily installed and manufactures.

As preferred: the turnover type leg support includes support frame, which is rotatablely connected by the overturning component of two sides In cushion skeleton, the overturning component includes end first connecting rod hingedly on the support frame and second connecting rod and end The third connecting rod and fourth link being hinged in side support plate, wherein first connecting rod and third connecting rod are mutually hinged at middle part, and First connecting rod is far from one end of support frame and the distal end articulated of fourth link, and second connecting rod is in one end and the far from support frame The distal end articulated of three-link.Using the above structure, electric telescopic rod pushes fourth link movement, and turnover type leg support can be realized Opening and closing.

As preferred: being fixedly installed with horizontal bar between two symmetrical fourth links, the driving mechanism passes through The horizontal bar pushes the overturning component movement.Using the above structure, it is easily installed, and can effectively guarantee that driving structure is driven The opening and closing of dynamic turnover type leg support.

As preferred: the linkage unit includes successively hinged the 5th connecting rod, six-bar linkage and seven-link assembly, wherein Five connecting rods are hinged on the chair back in one end far from six-bar linkage, and the middle part of six-bar linkage is rotated by transfer block and side support plate Connection, seven-link assembly are hinged on pedestal in one end far from six-bar linkage；It is fixedly installed with linkage part on the horizontal bar, The 8th connecting rod is equipped between the linkage part and the 5th connecting rod, linkage part is equipped with arc groove, and described 8th connecting rod one end is set There is the guide post being adapted with the arc groove, the other end is rotatably connected on the 5th connecting rod.Using the above structure, in arc groove In arc range, driving mechanism can individually push turnover type leg support to move in advance, when guide post is in the arc range of arc groove After interior sliding, the chair back, cushion skeleton and turnover type leg support three can be made to realize linkage.

As preferred: the lower end of the chair back is equipped with support rod, and the both ends of the support rod are rotatably installed in the collateral support On plate.Using the above structure, it is easily installed.

As preferred: being fixedly installed with radially outwardly extending switching part, the 5th connecting rod on the support rod One end far from six-bar linkage is hinged on the switching part.Using the above structure, can guarantee driving mechanism by the 8th connecting rod, 5th connecting rod pulls above-mentioned chair back rotation.

As preferred: the fan-shaped plate structure of linkage part, the corresponding central angle of arc groove are 50-70 °.

As preferred: the driving mechanism is electric telescopic rod, and one end is hinged on pedestal, and the other end is hinged on horizontal The middle part of bar.Using the above structure, it is easily installed.

Compared with prior art, the beneficial effects of the present invention are:

Using electric functions sofa provided by the invention, sofa can be deformed into various modes use, one is: sitting posture mould Formula, i.e. driving mechanism do not work, and sofa keeps reset condition；The second is: comfort mode, i.e. driving mechanism only drive turnover type leg The position of 60 ° of support expansion, cushion skeleton and the chair back does not adjust；The third is: arbitrary patterns are unfolded 60 ° in turnover type leg support And then under the driving of driving mechanism, the chair back, cushion skeleton and turnover type leg support three link, under this mode, Yong Huke It is arbitrarily adjusted according to the use demand of oneself.And in the handoff procedure of above-mentioned various modes, the upper edge of the chair back is always It can be located in the same vertical plane, it is ensured that sofa zero, which is placed against the wall, to be set or install.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is another structural schematic diagram of the invention；

Fig. 3 is the schematic diagram for reacting the 8th connecting rod and linkage part connection relationship.

Specific embodiment

The invention will be further described with attached drawing with reference to embodiments.

As shown in Figure 1, a kind of electric functions sofa, including pedestal 1, seat is slidably mounted with by sliding rail 2 on pedestal 1 Skeleton 3 is padded, the front end of cushion skeleton 3 is equipped with turnover type leg support A, and rear end is rotatably mounted with the chair back 4, on the pedestal 1 Equipped with the driving mechanism B for driving turnover type leg support A to be unfolded, after driving mechanism B starting, the movement of sofa mainly has two Point, drove turnover type leg support A to be independently unfolded 60 ° before this, cushion skeleton 3, the chair back 4 remain stationary during this, then pass through again Linkage unit C drives cushion skeleton 3 to slide on pedestal 1 simultaneously, the chair back 4 is relative to the rotation of cushion skeleton 3 and turnover type leg Hold in the palm remaining 30 ° of the expansion of A.

It is arranged based on above structure, sofa can be deformed into various modes use, one is: sitting posture mode, i.e. driving machine Structure B does not work, and sofa keeps reset condition；The second is: comfort mode, i.e. driving mechanism B only drive turnover type leg support A independence exhibition Open 60 °, the position of cushion skeleton 3 and the chair back 4 does not adjust, and can be used for user's read books under the mode, comfort is preferable；Its Third is that: arbitrary patterns, i.e., in 60 ° of turnover type leg support A expansion and then under the driving of driving mechanism B, cushion skeleton 3, the chair back 4 and turnover type leg support A three linkage, under this mode, user can arbitrarily be adjusted according to the use demand of oneself.

For convenient for assembling and manufacturing, cushion skeleton 3 includes the side support plate 3a for being symmetricly set on 1 upper end two sides of pedestal, side Support plate 3a is slidably mounted on the pedestal 1 by sliding rail 2.

As illustrated in fig. 1 and 2, turnover type leg support A includes support frame 5, which is rotated by the overturning component 6 of two sides It is connected in cushion skeleton 3, the overturning component 6 includes that end is hinged on first connecting rod 6a and second connecting rod on support frame 5 6b and end are hinged on third connecting rod 6c and fourth link 6d on side support plate 3a, and wherein first connecting rod 6a and third connect Bar 6c is mutually hinged at middle part, and the one end and the distal end articulated of fourth link 6d of first connecting rod 6a in separate support frame 5, and second Distal end articulated of the connecting rod 6b in one end and third connecting rod 6c far from support frame 5；Between two symmetrical fourth link 6d It is fixedly installed with horizontal bar 7, at work, driving mechanism B works and horizontal bar 7 is pushed to move forward the sofa, to drive Turnover type leg support A Automatic-expanding.

Driving mechanism B is preferably electric telescopic rod in the present embodiment, and one end is hinged on pedestal 1, and the other end is hinged on The middle part of horizontal bar 7.

Again as shown in Figures 1 to 3, linkage unit C includes successively hinged the 5th connecting rod 9, six-bar linkage 10 and seven-link assembly 11, wherein the 5th connecting rod 9 is hinged on the chair back 4 in one end far from six-bar linkage 10, the middle part of six-bar linkage 10 passes through switching Block 12 and side support plate 3a are rotatablely connected, and seven-link assembly 11 is hinged on pedestal 1 in one end far from six-bar linkage 10；The cross It sets and is fixedly installed with linkage part 14 on bar 7, the 8th connecting rod 13, linkage portion are equipped between the linkage part 14 and the 5th connecting rod 9 Part 14 is equipped with arc groove 14a, and described 8th connecting rod, 13 one end is equipped with the guide post 13a being adapted with arc groove 14a, another End is rotatably connected on the 5th connecting rod 9, and in the arc range of arc groove 14a, driving mechanism B can individually push fold in advance Formula leg support A movement can the synchronous drive chair back 4, seat after guide post 13a is slided in the arc range of arc groove 14a It pads skeleton 3 and turnover type leg support A three realizes linkage.

As shown in figure 3, the fan-shaped plate structure of linkage part 14, the corresponding central angle of arc groove 14a is 50-70 °, this reality Applying preferred angle in example is 60 °.

As shown in Figure 1, the lower end of the chair back 4 is equipped with support rod 4a to be easily installed, the both ends of support rod 4a are rotatablely installed On the side support plate 3a, radially outwardly extending switching part 4b is fixedly installed on support rod 4a, the described 5th connects 9 one end far from six-bar linkage 10 of bar is hinged on switching part 4b, which can guarantee that driving mechanism B passes through the 8th connecting rod 13, the 5th connecting rod 9 pulls the above-mentioned chair back 4 to rotate.

As shown in Fig. 2, second connecting rod 6b is equipped with limit hole 17 in one end close to side support plate 3a, side support plate 3a is at this Place is equipped with limited post 16, and A is in expansion and closure for turnover type leg support, and limited post 16 is movable in limit hole 17, and can play Limit the effect of turnover type leg support A slewing area.

Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make multiple similar tables Show, such transformation is fallen within the scope of protection of the present invention.

Claims

1. An electric functional sofa, comprising a base (1), characterized in that: a cushion frame (3) is slidably provided on the base (1), and a foldable leg rest is installed at the front end of the cushion frame (3). (A), a seat back (4) is rotatably installed at the rear end, the base (1) is provided with a driving mechanism (B) for driving the unfolding of the foldable leg rest (A), and the foldable leg rest (A) is provided on the base (1). After the support (A) is partially unfolded, the seat cushion frame (3) and the seat back (4) can move simultaneously with the foldable leg support (A) under the action of the linkage assembly (C).

2. The electric functional sofa according to claim 1, wherein the cushion frame (3) comprises side support plates (3a) symmetrically arranged on both sides of the upper end of the base (1), and the side support plates (3a) pass through The slide rail (2) is slidably mounted on the base (1).

3 . The electric functional sofa according to claim 2 , wherein the foldable leg rest (A) comprises a support frame ( 5 ), and the support frame ( 5 ) is rotated through the turning assemblies ( 6 ) on both sides. 4 . Connected to the seat cushion frame (3), the turning assembly (6) includes a first link (6a) and a second link (6b) whose ends are hinged on the support frame (5), and the ends are hinged on the side The third link (6c) and the fourth link (6d) on the support plate (3a), wherein the first link (6a) and the third link (6c) are hinged to each other in the middle, and the first link ( 6a) is hinged with the distal end of the fourth link (6d) at the end away from the support frame (5), and the second link (6b) is at the far end of the third link (6c) at the end away from the support frame (5). End hinged.

4. The electric functional sofa according to claim 3, characterized in that: a transverse rod (7) is fixedly installed between the two symmetrical fourth connecting rods (6d), and the driving mechanism (B) passes through The transverse rod (7) pushes the turning assembly (6) to move.

5. The electric functional sofa according to claim 4, wherein the linkage assembly (C) comprises a fifth link (9), a sixth link (10) and a seventh link (11) that are hinged in sequence ), wherein the fifth link (9) is hinged on the seat back (4) at the end away from the sixth link (10), and the middle of the sixth link (10) is connected to the side support plate through the adapter block (12) (3a) Rotating connection, the seventh link (11) is hinged on the base (1) at the end away from the sixth link (10);

A linkage member (14) is fixedly mounted on the transverse rod (7), an eighth link (13) is arranged between the linkage member (14) and the fifth link (9), and the linkage member (14) is provided with an eighth link (13). An arc-shaped groove (14a) is provided, one end of the eighth connecting rod (13) is provided with a guide column (13a) adapted to the arc-shaped groove (14a), and the other end is rotatably connected to the fifth connecting rod (9) superior.

6. The electric functional sofa according to claim 5, characterized in that: the lower end of the seat back (4) is provided with a support rod (4a), and both ends of the support rod (4a) are rotatably mounted on the side support plate (3a).

7 . The electric functional sofa according to claim 6 , wherein: the support rod ( 4 a ) is fixedly installed with an adapter portion ( 4 b ) extending radially outward, and the fifth link ( 9) The end away from the sixth link (10) is hinged on the adapter part (4b).

8 . The electric functional sofa according to claim 5 , wherein the linkage member ( 14 ) has a fan-shaped plate structure, and the central angle corresponding to the arc groove ( 14 a ) is 50-70°. 9 .

9. The electric functional sofa according to any one of claims 4 to 7, wherein the driving mechanism (B) is an electric telescopic rod, one end of which is hinged on the base (1), and the other end is hinged on the horizontal Set the middle of the rod (7).