Household functionality Electric sofa
Technical field
The invention belongs to household sofa technical fields, and in particular to a kind of household functionality Electric 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 household functionality Electric sofa, it can not only realize that zero is placed against the wall and sets, moreover it is possible to
Enough provide such as reads, lies low at a variety of use patterns.
To achieve the above object, technical solution of the present invention is as follows:
A kind of household functionality Electric sofa, including pedestal, key are: seat is slidably provided on the pedestal
Skeleton is padded, the front end of cushion skeleton is equipped with turnover type leg support, and rear end is rotatably mounted with the chair back, and the pedestal, which is equipped with, to be driven
Motivation structure after driving mechanism starting, can drive cushion skeleton on pedestal to advancing slip after by the expansion of turnover type leg support
It is dynamic;Linkage unit is equipped between the chair back and cushion skeleton, when cushion skeleton forward slip, the chair back can be relative to cushion
Skeleton tilts backwards.
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: reading model, i.e. driving mechanism only drive turnover type leg support to be unfolded, cushion skeleton
It is not adjusted with the position of the chair back;The third is: lay flat mode, i.e. driving mechanism first drive turnover type leg support to be fully deployed, then drive
Dynamic cushion skeleton forward slip, at the same time, under the drive of linkage unit, the chair back is also transferred completely, so that sofa be made to be formed
Lying status.And in the handoff procedure of various modes, the upper edge of the chair back can be located in the same vertical plane always, can be protected
Card sofa zero, which is placed against the wall, to be set or installs.
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: the driving mechanism includes electric telescopic rod and both ends are each attached to the cross in the fourth link
Bar is set, one end of the electric telescopic rod is hinged on pedestal, and the other end is hinged on the middle part of horizontal bar.Using the above structure,
It is easily installed, and can effectively guarantee the opening and closing of electric telescopic rod driving turnover type leg support.
As preferred: the both ends of the horizontal bar are pierced by the outside of fourth link, and the front end of side support plate is horizontal in correspondence
The position that bar is pierced by is equipped with limiting section.Using the above structure, after turnover type leg support fully opens, the end of horizontal bar just with
Limiting section abuts, to drive side support plate forward slip, that is, drives cushion skeleton forward slip.
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.Using the above structure, can guarantee in cushion skeleton
While forward slip, the chair back can tilt backwards rotation relative to cushion skeleton.
As preferred: be equipped with support beam between two side support plates, the support beam and the six-bar linkage it
Between be equipped with reset tension spring.Using the above structure, when sofa is withdrawn from lay flat mode, cushion skeleton and chair can be made by reset tension spring
Back automatically resets.
As preferred: the transfer block has orthogonal first mounting portion and the second mounting portion, and the first mounting portion is solid
Surely it is connected in side support plate, is hinged in the middle part of the six-bar linkage on second mounting portion.Using the above structure, convenient for peace
Dress, and avoid movement interference.
As preferred: the chair back is fixedly installed with pinboard in corresponding 5th connecting rod position, and the two sides of the pinboard are set
There is the first mounting plate and the second mounting plate extended in the opposite direction, wherein the first mounting plate is connect with the 5th link rotatable, the
Two mounting plates and side support plate are rotatablely connected.Using the above structure, it is easily installed, and avoids movement interference.
Compared with prior art, the beneficial effects of the present invention are:
Using household functionality Electric sofa provided by the invention, sofa can be deformed into various modes use, one is:
Sitting posture mode, i.e. driving mechanism do not work, and sofa keeps reset condition;The second is: reading model, i.e. driving mechanism only drive and turn over
The position of the expansion of folding leg support, cushion skeleton and the chair back does not adjust;The third is: lay flat mode, i.e. driving mechanism first drive and turn over
Folding leg support is fully deployed, then drives cushion skeleton forward slip, and at the same time, under the drive of linkage unit, the chair back is also complete
Full decentralization, so that sofa be made to form lying status.And in the handoff procedure of various modes, the upper edge of the chair back always being capable of position
In in same perpendicular, 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 schematic diagram that sofa is in sitting posture mode;
Fig. 2 is the partial enlarged view in Fig. 1 at I;
Fig. 3 is the structural schematic diagram that sofa is in reading model;
Fig. 4 is the partial enlarged view in Fig. 3 at II;
Fig. 5 is the side schematic view that sofa is in sitting posture mode;
Fig. 6 is the side schematic view that sofa is in reading model;
Fig. 7 is the side schematic view that sofa is in lay flat mode.
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
As shown in Figure 1,3, a kind of household functionality Electric sofa, including pedestal 1, on pedestal 1 slideably by sliding rail 2
Cushion skeleton 3 is installed, cushion skeleton 3 is by being symmetricly set on two side support plate 3a of 1 upper end two sides of pedestal, and is located at two
Support beam 3b composition between a side support plate 3a;The front end of cushion skeleton 3 is equipped with turnover type leg support A, and rear end is rotatable
Ground is equipped with the chair back 4, and the pedestal 1 is equipped with driving mechanism B and first drives the A exhibition of turnover type leg support after driving mechanism B starting
It opens, after turnover type leg support A is fully deployed, states the forward slip on pedestal 1 of cushion skeleton 3 in driving;The chair back 4 and cushion
Linkage unit C is equipped between skeleton 3, in 3 forward slip of cushion skeleton, the chair back 4 can be tilted backwards with respect to cushion skeleton 3.
As illustrated in figs. 5-7, it is based on the above structure, sofa can be deformed into various modes use, one is: sitting posture mode,
That is driving mechanism B does not work, and sofa keeps reset condition;The second is: reading model, i.e. driving mechanism B only drive turnover type leg
A is ask to be unfolded, the position of cushion skeleton 3 and the chair back 4 does not adjust;The third is: lay flat mode, i.e. driving mechanism B first drive fold
Formula leg support A is fully deployed, then drives 3 forward slip of cushion skeleton, at the same time, under the drive of linkage unit C, the chair back 4
Decentralization completely, so that sofa be made to form lying status.
As shown in Figure 1,3, driving mechanism B realizes that the specific structure of driving turnover type leg support A expansion is as described below: turnover type
Leg support A includes support frame 5, and the two sides of the support frame 5 pass through overturning component 6 and are rotatably connected in cushion skeleton 3, the overturning
Component 6 includes that the first connecting rod 6a that end is hinged on support frame 5 and second connecting rod 6b and end are hinged on side support plate 3a
On third connecting rod 6c and fourth link 6d, wherein first connecting rod 6a and third connecting rod 6c is mutually hinged at middle part, and first connect
Bar 6a is hinged in one end of separate support frame 5 and fourth link 6d, and second connecting rod 6b connects in one end far from support frame 5 with third
Bar 6c is hinged.Driving mechanism B includes electric telescopic rod 8 and both ends are each attached to the horizontal bar 7 on the fourth link 6d, institute
The one end for stating electric telescopic rod 8 is hinged on pedestal 1, and the other end is hinged on the middle part of horizontal bar 7, and electric telescopic rod work can
Fourth link 6d movement is pushed, to drive turnover type leg support A Automatic-expanding.
Such as Fig. 1,3 and 4, the both ends of horizontal bar 7 both pass through fourth link 6d and are located at the downside of the side support plate 3a, side
The front end of support plate 3a is equipped with the limiting section 3a1 that can block horizontal bar 7, after turnover type leg support A is fully deployed, horizontal bar 7
End just abutted with limiting section 3a1, to drive side support plate 3a forward slip, i.e. driving 3 forward slip of cushion skeleton.
If Fig. 1 and 2, linkage unit C include successively hinged the 5th connecting rod 9, six-bar linkage 10 and seven-link assembly 11, wherein
5th connecting rod 9 is hinged on the chair back 4 in one end far from six-bar linkage 10, and the middle part of six-bar linkage 10 passes through transfer block 12 and side
Support plate 3a rotation connection, seven-link assembly 11 are hinged on pedestal 1 in one end far from six-bar linkage 10;Based on this structure,
While cushion skeleton 3 is with respect to 1 forward slip of pedestal, link mechanism can pull the chair back 4 to tilt backwards with respect to cushion skeleton 3 to turn
It is dynamic.Meanwhile for that can automatically reset when guaranteeing that sofa is withdrawn from lay flat mode, it is equipped between support beam 3b and six-bar linkage 10
Reset tension spring 13, under the action of reset tension spring 13, cushion skeleton 3 and the chair back 4 can automatically reset.
To be easily installed, and movement interference is avoided, transfer block 12 has the peace of orthogonal first mounting portion 12a and second
Dress portion 12b, the first mounting portion 12a are fixedly connected on side support plate 3a, the middle part of the six-bar linkage 10 be hinged on this second
On mounting portion 12b.
The chair back 4 is also fixedly installed with pinboard 14 in corresponding 5th connecting rod, 9 position, and the two sides of the pinboard 14 are equipped with towards phase
Opposite direction extend the first mounting plate 14a and the second mounting plate 14b, and the first mounting plate 14a and the second mounting plate 14b with turn
Fishplate bar 14 is perpendicular, and the first mounting plate 14a and the 5th connecting rod 9 are rotatablely connected, and the second mounting plate 14b and side support plate 3a rotation connect
It connects.
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.