CN109602205A - A kind of back horizontal lying-type Folding sofa frame - Google Patents
A kind of back horizontal lying-type Folding sofa frame Download PDFInfo
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- CN109602205A CN109602205A CN201811647643.XA CN201811647643A CN109602205A CN 109602205 A CN109602205 A CN 109602205A CN 201811647643 A CN201811647643 A CN 201811647643A CN 109602205 A CN109602205 A CN 109602205A
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- leg
- articulated
- connecting rod
- interlocking bar
- bar
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- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention relates to the skeleton technical fields of sofa, refer in particular to a kind of back horizontal lying-type Folding sofa frame comprising chassis, drive rod, driving device and Liang Ge folding retractable mechanism;Driving device is connected to chassis, and the output end of driving device is articulated with drive rod;Liang Ge folding retractable mechanism is respectively arranged at the both ends of drive rod and is symmetrical arranged, and driving device simultaneously is used to drive drive rod rotation and/or movement so that the stretching, extension of Liang Ge folding retractable mechanism or contraction;Folding retractable mechanism includes connecting plate, leg telescopic component, leg support bracket, linkage unit, back telescopic component and back support frame;The back horizontal lying-type Folding sofa frame of the application is in lying posture state, leg support bracket sticks up get Geng Gao, back support frame is closer to ground, perfect fitting and support are provided for the entire body of people, the gravity of people is evenly dispersed into the various pieces of sofa frame, it allows people to enjoy the state of zero-g, is further relaxed and rested convenient for human body.
Description
Technical field
The present invention relates to the skeleton technical fields of sofa, refer in particular to a kind of back horizontal lying-type Folding sofa frame.
Background technique
With being gradually increased for people's living standard, Electric sofa is more and more to enter as a kind of amenities of life product
Into the family of common people, for traditional sofa, Electric sofa is more next due to its unique comfort and functionality
More is liked by people and praised highly.Traditional Electric sofa cannot be completely in zero-g state in lying posture state, i.e.,
Leg support bracket sticks up not high, and back, which is close to the ground, to be not close enough to, and people cannot be allowed further to relax and rest.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of back horizontal lying-type Folding sofa frame, which is folded
For sofa frame in lying posture state, leg support bracket sticks up get Geng Gao, and back support frame is provided closer to ground for the entire body of people
The gravity of people, is evenly dispersed into the various pieces of sofa frame, people is allowed to enjoy the shape of zero-g by perfect fitting and support
State further relaxes and rests convenient for human body.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of back horizontal lying-type Folding sofa frame comprising chassis, drive rod, driving device and two folding retractable machines
Structure;Driving device is connected to chassis, and the output end of driving device is articulated with drive rod;Liang Ge folding retractable mechanism is respectively arranged at
The both ends of drive rod are simultaneously symmetrical arranged, and driving device simultaneously is used to drive drive rod rotation and/or movement so that two folding retractables
Mechanism stretching, extension is shunk;
The folding retractable mechanism includes that connecting plate, leg telescopic component, leg support bracket, linkage unit, back are flexible
Component and back support frame;The both ends of drive rod are rotatably dispose in the connecting plate of Liang Ge folding retractable mechanism respectively, drive rod
Both ends extend through the connecting plate of Liang Ge folding retractable mechanism;Drive rod is for driving the rotation of leg telescopic component and connecting plate to move
Dynamic, the leg telescopic component of rotation is for driving leg support bracket to stretch or shrink, and mobile connecting plate is for driving linkage groups
Part rotation, the linkage unit of rotation is for driving back telescopic component to rotate so that the stretching, extension of back support frame or contraction;Linkage groups
Part is hinged with connecting plate, leg telescopic component and back telescopic component respectively;
The linkage unit includes the first interlocking bar, the second interlocking bar, third interlocking bar, tetrad lever, the 5th linkage
Bar, the 6th interlocking bar, the 7th interlocking bar, the first linkage board and the second linkage board;
One end of first interlocking bar is articulated with chassis, and the other end of the first interlocking bar is articulated with one end of the second interlocking bar,
The other end of second interlocking bar is articulated with connecting plate, and one end of third interlocking bar is articulated with the middle part of the first interlocking bar, third connection
The other end of lever is articulated with one end of tetrad lever, and the other end of tetrad lever is articulated with one end of the 5th interlocking bar,
The other end of 5th interlocking bar is articulated with leg telescopic component, and connecting plate, the 6th interlocking bar are articulated in the middle part of tetrad lever
One end be articulated with the middle part of the second interlocking bar, the other end of the 6th interlocking bar is articulated with the first linkage board, the 7th interlocking bar
One end is articulated with chassis, and the other end of the 7th interlocking bar is articulated with the first linkage board, and back telescopic component is articulated with the first linkage
Plate, one end of the second linkage board are articulated with connecting plate, and the other end of the second linkage board is articulated with the first linkage board;6th interlocking bar
With hinged place, back telescopic component and the first linkage board of the hinged place of the first linkage board, the 7th interlocking bar and the first linkage board
Hinged place, the second linkage board and the first linkage board hinged place apart from one another by setting;
First interlocking bar is straight-bar, and one end of the first interlocking bar is articulated with the end of chassis to support connecting plate
Stick up height, the other end ground proximity of connecting plate in one end;Stick up the related leg telescopic component in one end and leg support of high connecting plate
Frame sticks up height, the related back telescopic component in one end of the connecting plate of ground proximity and back support frame ground proximity.
Further, the 5th interlocking bar includes first connecting portion, second connecting portion, third interconnecting piece and the 4th connection
Portion;One end of first connecting portion is articulated with tetrad lever, and the other end of first connecting portion is connected to one end of second connecting portion,
The other end of second connecting portion is connected to one end of third interconnecting piece, and the other end of third interconnecting piece is connected to the 4th interconnecting piece
One end, the other end of the 4th interconnecting piece are articulated with leg telescopic component, and first connecting portion is arranged in a crossed manner with second connecting portion, and second
Interconnecting piece and third interconnecting piece are arranged in a crossed manner, and third interconnecting piece and the 4th interconnecting piece are arranged in a crossed manner, first connecting portion and horizontal plane
Slope, the slope of second connecting portion and horizontal plane, the slope of third interconnecting piece and horizontal plane, the 4th interconnecting piece and horizontal plane
Slope is positive number.
Further, the leg telescopic component includes leg first connecting rod, the second connecting rod of leg, leg third company
Extension bar, the 4th connecting rod of leg, the 5th connecting rod of leg and the 6th connecting rod of leg;One end of leg first connecting rod is connected to
Drive rod runs through one end of connecting plate, and the other end of leg first connecting rod is articulated with one end of the second connecting rod of leg, leg
The other end of second connecting rod is articulated with the middle part of leg third connecting rod, and one end of leg third connecting rod is articulated with connection
Plate, the other end of leg third connecting rod are articulated with one end of the 4th connecting rod of leg, the other end hinge of the 4th connecting rod of leg
It is connected to leg support bracket, one end of the 5th connecting rod of leg is articulated with connecting plate, and the other end of the 5th connecting rod of leg is articulated with
One end of the 6th connecting rod of leg, the other end of the 6th connecting rod of leg are articulated with leg support bracket, the 5th connecting rod of leg
Middle part is articulated with the middle part of the 4th connecting rod of leg, and one end of the 5th interlocking bar is articulated with the middle part of leg third connecting rod.
Further, the back telescopic component includes back first connecting rod, the second connecting rod of back and back third
Connecting rod;One end of back first connecting rod is articulated with the first linkage board, and the other end of back first connecting rod is articulated with back
Support bracket, one end of the second connecting rod of back are articulated with connecting plate, and the other end of the second connecting rod of back is articulated with back support
Frame, one end of back third connecting rod are articulated with the middle part of back first connecting rod, and the other end of back third connecting rod is hinged
In connecting plate.
Further, the back first connecting rod includes back first connecting portion and back second connecting portion, back
One end of one interconnecting piece is articulated with the first linkage board, and the other end of back first connecting portion is connected to the one of back second connecting portion
End, the other end of back second connecting portion are articulated with back support frame;First connecting portion and the intersection setting of back second connecting portion,
Angle between first connecting portion and back second connecting portion is greater than 90 degree, and is less than 180 degree.
Further, the leg third connecting rod is equipped with the first hook part, and the second interlocking bar is equipped with the first spacing block set;
When back horizontal lying-type Folding sofa frame is in contraction state, the first spacing block set contradicts the first hook part and for leg third
Connecting rod limit.
Further, second linkage board is equipped with the second hook part, and the first linkage board is equipped with the second spacing block set;Back
When horizontal lying-type Folding sofa frame is in contraction state, the second spacing block set contradicts the second hook part and for limiting the second linkage board
Position.
Further, second connecting rod of back is equipped with third hook part, and connecting plate is equipped with third spacing block set, back
When horizontal lying-type Folding sofa frame is in contraction state, third spacing block set contradicts third hook part and for connecting to back second
Bar limit.
Further, the driving device includes sliding rail, sliding block, driving assembly and two pieces of connectors;Driving assembly installing
In chassis, sliding rail is installed in chassis, and sliding block is slideably positioned in sliding rail, and driving assembly is for driving sliding block to slide along sliding rail;Two
Block connector is located at the two sides of sliding block, and one end of connector is articulated with sliding block, and the other end of connector is articulated with drive rod;
The sliding block of sliding is via two pieces of connector driving drive rod rotations and/or movement.
Further, the connector includes linking arm, branch ear mount and hinge bar, and linking arm includes the first link block and company
It is connected to the second link block of the first link block, the first link block and the second link block are arranged in a crossed manner;Branch ear mount is connected to drive rod,
One end of hinge bar is connected to sliding block, and the other end of hinge bar is articulated with one end of the first link block, and the second link block is far from
One end of one link block is articulated with branch ear mount.
Beneficial effects of the present invention: posture that there are three types of back horizontal lying-type Folding sofa framves is sitting posture, leisure appearance respectively and is lain
Appearance.When Liang Ge folding retractable mechanism is in contraction state, back horizontal lying-type Folding sofa frame is in sitting posture state.When back lies low
When formula Folding sofa frame is wanted to be transformed into leisure appearance or lying posture from sitting posture, Ji Liangge folding retractable mechanism will become from contraction state
Extended state, during stretching, extension, back horizontal lying-type Folding sofa frame becomes appearance of lying fallow from sitting posture for Liang Ge folding retractable mechanism,
After back horizontal lying-type Folding sofa frame is transformed into leisure appearance, when Liang Ge folding retractable mechanism is further continued for stretching, extension, back horizontal lying-type folding
Folded sofa frame becomes lying posture from leisure appearance.
Back horizontal lying-type Folding sofa frame from sitting posture be transformed into leisure appearance during, driving device drives drive rod simultaneously
Rotation and, the drive rod drive leg telescopic component rotation of rotation mobile to the direction far from wall, while mobile drive rod band
Dynamic connecting plate is mobile.The leg telescopic component driving leg support bracket stretching, extension of rotation, mobile connecting plate Foldable telescopic machine
Structure is integrally mobile to the direction far from wall, and back and wall is made to form a certain distance, be back horizontal lying-type Folding sofa frame from
Leisure appearance becomes lying posture and prepares, meanwhile, mobile connecting plate driving linkage unit turns along with the hinged hinge joint of connecting plate
It is dynamic, allow each interlocking bar of linkage unit mutually to trail, but linkage unit at this time does not drive back telescopic component to rotate,
Back support frame remains posture when sitting posture.Back horizontal lying-type Folding sofa frame from sitting posture be transformed into leisure appearance after, driving dress
It sets and stops working.
Specifically, the expansion process of linkage unit is, the company that driving device drives connecting plate mobile, mobile via drive rod
Fishplate bar drives the second interlocking bar and the second linkage board to move together, while the second interlocking bar is along the hinge joint hinged with connecting plate
Rotate certain angle, mobile and rotation the second interlocking bar drives the rotation of the first interlocking bar, the first interlocking bar of rotation along
Hinged hinge joint is rotated to the direction far from wall with chassis.First interlocking bar of rotation drives one end of third interlocking bar to turn
Dynamic, the third interlocking bar of rotation drives the rotation of tetrad lever.Meanwhile the leg telescopic component of rotation drives the 5th interlocking bar to turn
Dynamic, the 5th interlocking bar of rotation also drives tetrad lever to rotate, third interlocking bar drive the direction of tetrad lever rotation with
5th interlocking bar drives the direction of tetrad lever rotation consistent.Mobile and rotation the second interlocking bar drives the 6th interlocking bar to move
Dynamic and rotation, mobile and rotation the 6th interlocking bar drive the first linkage board mobile, while the 6th interlocking bar is along with first
The hinged hinge joint of movable plate rotates certain angle.The first mobile linkage board drives the 7th interlocking bar to rotate, and the 7th of rotation the
Interlocking bar is rotated along the hinge joint hinged with chassis to the direction far from wall.First linkage board and the second linkage board are followed by company
Fishplate bar synchronizing moving.It realizes that each interlocking bar of linkage unit mutually trails, is back horizontal lying-type Folding sofa frame from leisure
Appearance becomes lying posture and prepares.
Back horizontal lying-type Folding sofa frame from leisure appearance be transformed into lying posture during, driving device works on, driving
Device only drives drive rod mobile to the direction far from wall, does not drive drive rod rotation, and leg support bracket keeps the state of stretching, extension.
Mobile drive rod drives connecting plate to continue to move to, and mobile connecting plate drives the second interlocking bar and the second linkage board to continue to move
It is dynamic, while the second interlocking bar rotates certain angle, mobile and rotation the second linkage along the hinge joint hinged with connecting plate
Bar drives the rotation of the first interlocking bar, and the first interlocking bar of rotation turns along the hinge joint hinged with chassis to the direction far from wall
It is dynamic.First interlocking bar of rotation drives the rotation of third interlocking bar, and the third interlocking bar of rotation drives the rotation of tetrad lever, rotation
The middle part of the tetrad lever tetrad lever that rotates, while rotating along connecting plate drive the rotation of the 5th interlocking bar, rotation
The 5th interlocking bar rotated along with the hinged hinge joint of leg telescopic component.Mobile and rotation the second interlocking bar drives the 6th
Interlocking bar is mobile and rotates, and mobile and rotation the 6th interlocking bar drives the first linkage board mobile and rotates, mobile and rotation
First linkage board drives the 7th interlocking bar, back telescopic component and the rotation of the second linkage board, the 7th interlocking bar edge of rotation simultaneously
The hinge joint hinged with chassis rotated to the direction far from wall, the driving back support frame stretching, extension of the back telescopic component of rotation,
One end of second linkage board is rotated along with the hinged hinge joint of the first linkage board, and the other end of the second linkage board is followed by connection
Plate moves together, back horizontal lying-type Folding sofa frame from leisure appearance become lying posture after, driving device stops working.Linkage unit
It is compact-sized, it can effectively transmit power and back support frame is driven to stretch, enable back horizontal lying-type Folding sofa frame from leisure
Appearance becomes lying posture.
The first traditional interlocking bar is generally bent rod and is articulated with the middle and back of chassis, and the first traditional interlocking bar is not
One end of connecting plate can be supported to stick up height well, the other end ground proximity of connecting plate allows people to be without access to the state of zero-g.
And the first interlocking bar of the application is straight-bar, and one end of the first interlocking bar is articulated with the end of chassis, under equal length, directly
The two end point connecting line of bar is longer than the two end point connecting line of bent rod, so the height that straight-bar can support is higher than what bent rod supported
Degree wants high, so the first interlocking bar of straight-bar can support one end of connecting plate to stick up height after linkage unit stretching, extension, and connecting plate is another
One end ground proximity;The related leg telescopic component in one end and leg support bracket for sticking up high connecting plate stick up height, so that leg support
The leg for the people that frame is supported is higher from the ground;The related back telescopic component in one end of the connecting plate of ground proximity and back support
Frame ground proximity, the back for the people for supporting back support frame allow people to enjoy the state of zero-g, are convenient for closer to ground
Human body further relaxes and rests.
For the back horizontal lying-type Folding sofa frame of the application in lying posture state, leg support bracket sticks up get Geng Gao, back support
Frame provides perfect fitting and support closer to ground, for the entire body of people, and the gravity of people is evenly dispersed into sofa frame
Various pieces, allow people to enjoy the state of zero-g, further relaxed and rested convenient for human body.
Detailed description of the invention
Fig. 1 is the schematic perspective view of sitting posture state of the invention.
Fig. 2 is the schematic perspective view at another visual angle of sitting posture state of the invention.
Fig. 3 is the schematic perspective view of leisure appearance state of the invention.
Fig. 4 is the schematic perspective view at another visual angle of leisure appearance state of the invention.
Fig. 5 is the schematic perspective view of lying posture state of the invention.
Fig. 6 is the schematic perspective view at another visual angle of lying posture state of the invention.
Fig. 7 is the structural schematic diagram of leg third connecting rod of the invention.
Fig. 8 is the structural schematic diagram of the second linkage board of the invention.
Fig. 9 is the structural schematic diagram of the second connecting rod of back of the invention.
Figure 10 is the structural schematic diagram of the 5th interlocking bar of the invention.
Figure 11 is the structural schematic diagram of back first connecting rod of the invention.
Figure 12 is the structural schematic diagram of back support frame of the invention.
Description of symbols:
Chassis 1, drive rod 2, driving device 3, sliding rail 31, sliding block 32, driving assembly 33, connector 34, linking arm 341,
Branch ear mount 342, the first link block 343, the second link block 344, hinge bar 35, folding retractable mechanism 4, connecting plate 41, third limit
Position convex block 411, leg telescopic component 42, leg first connecting rod 421, the second connecting rod of leg 422, leg third connecting rod
423, the first hook part 4231, the 4th connecting rod 424 of leg, the 5th connecting rod 425 of leg, the 6th connecting rod 426 of leg, leg
Support bracket 43, linkage unit 44, the first interlocking bar 441, the second interlocking bar 442, the first spacing block set 4421, third interlocking bar
443, tetrad lever 444, the 5th interlocking bar 445, first connecting portion 4451, second connecting portion 4452, third interconnecting piece 4453,
4th interconnecting piece 4454, the 6th interlocking bar 446, the 7th interlocking bar 447, the first linkage board 448, the second spacing block set 4481, the
Two linkage boards 449, the second hook part 4491, back telescopic component 45, back first connecting rod 451, back first connecting portion
4511, back second connecting portion 4512, the second connecting rod of back 452, third hook part 4521, back third connecting rod 453, back
Portion's support bracket 46, back support frame ontology 461, back hinge bar 462, transverse connecting rod 5.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
As shown in Figures 1 to 6, a kind of back horizontal lying-type Folding sofa frame provided by the invention comprising chassis 1, transmission
Bar 2, driving device 3 and Liang Ge folding retractable mechanism 4;Driving device 3 is connected to chassis 1, and the output end of driving device 3 is articulated with
Drive rod 2;Liang Ge folding retractable mechanism 4 is respectively arranged at the both ends of drive rod 2 and is symmetrical arranged, and driving device 3 simultaneously is used to drive
The dynamic rotation of drive rod 2 and/or movement are so that the stretching, extension of Liang Ge folding retractable mechanism 4 or contraction;
The folding retractable mechanism 4 include connecting plate 41, leg telescopic component 42, leg support bracket 43, linkage unit 44,
Back telescopic component 45 and back support frame 46;The both ends of drive rod 2 are rotatably dispose in the company of Liang Ge folding retractable mechanism 4 respectively
Fishplate bar 41, the both ends of drive rod 2 extend through the connecting plate 41 of Liang Ge folding retractable mechanism 4;Drive rod 2 is for driving leg to stretch
The rotation of contracting component 42 and connecting plate 41 are mobile, and the leg telescopic component 42 of rotation is for driving leg support bracket 43 to stretch or receive
Contracting, mobile connecting plate 41 is for driving linkage unit 44 to rotate, and the linkage unit 44 of rotation is for driving back telescopic component
45 rotate so that the stretching, extension of back support frame 46 or contraction;Linkage unit 44 respectively with connecting plate 41, leg telescopic component 42 and back
Portion's telescopic component 45 is hinged;
The linkage unit 44 includes the first interlocking bar 441, the second interlocking bar 442, third interlocking bar 443, four-axle linkage
Bar 444, the 5th interlocking bar 445, the 6th interlocking bar 446, the 7th interlocking bar 447, the first linkage board 448 and the second linkage board 449;
One end of first interlocking bar 441 is articulated with chassis 1, and the other end of the first interlocking bar 441 is articulated with the second interlocking bar
442 one end, the other end of the second interlocking bar 442 are articulated with connecting plate 41, and one end of third interlocking bar 443 is articulated with first
The other end at the middle part of lever 441, third interlocking bar 443 is articulated with one end of tetrad lever 444, tetrad lever 444
The other end is articulated with one end of the 5th interlocking bar 445, and the other end of the 5th interlocking bar 445 is articulated with leg telescopic component 42, the
The middle part of tetrad lever 444 is articulated with connecting plate 41, and one end of the 6th interlocking bar 446 is articulated with the middle part of the second interlocking bar 442,
The other end of 6th interlocking bar 446 is articulated with the first linkage board 448, and one end of the 7th interlocking bar 447 is articulated with chassis 1, and the 7th
The other end of interlocking bar 447 is articulated with the first linkage board 448, and back telescopic component 45 is articulated with the first linkage board 448, and second
One end of movable plate 449 is articulated with connecting plate 41, and the other end of the second linkage board 449 is articulated with the first linkage board 448;6th linkage
The hinged place of bar 446 and the first linkage board 448, the hinged place of the 7th interlocking bar 447 and the first linkage board 448, the flexible group in back
The hinged place of the hinged place of part 45 and the first linkage board 448, the second linkage board 449 and the first linkage board 448 is apart from one another by setting;
First interlocking bar 441 is straight-bar, and one end of the first interlocking bar 441 is articulated with the end of chassis 1 to support
Stick up height, the other end ground proximity of connecting plate 41 in one end of connecting plate 41;The related leg in one end for sticking up high connecting plate 41 is flexible
Component 42 and leg support bracket 43 stick up height, the related back telescopic component 45 in one end of the connecting plate 41 of ground proximity and back support
46 ground proximity of frame.
Wherein, since folding retractable mechanism 4 is symmetrical set in the both ends of drive rod 2, therefore Fig. 1 is only shown into Fig. 6
The wherein schematic diagram of the folding retractable mechanism 4 of side, to observe, there are three types of postures for back horizontal lying-type Folding sofa frame, respectively
It is sitting posture, leisure appearance and lying posture.When Liang Ge folding retractable mechanism 4 is in contraction state, back horizontal lying-type Folding sofa frame is in
Sitting posture state.When back horizontal lying-type Folding sofa frame is wanted to be transformed into leisure appearance or lying posture from sitting posture, i.e. two folding retractables
Mechanism 4 will become extended state from contraction state, and during stretching, extension, back horizontal lying-type is folded for Liang Ge folding retractable mechanism 4
Sofa frame becomes appearance of lying fallow from sitting posture, and after back horizontal lying-type Folding sofa frame is transformed into leisure appearance, Liang Ge folding retractable mechanism 4 is again
When continuing stretching, extension, back horizontal lying-type Folding sofa frame becomes lying posture from leisure appearance.
Back horizontal lying-type Folding sofa frame from sitting posture be transformed into leisure appearance during, driving device 3 drives transmission simultaneously
The rotation of bar 2 and, drive rod 2 drive leg telescopic component 42 rotation of rotation mobile to the direction far from wall, while mobile biography
Lever 2 drives connecting plate 41 mobile.The leg telescopic component 42 of rotation drives leg support bracket 43 to stretch, mobile connecting plate 41
Foldable telescoping mechanism 4 is integrally mobile to the direction far from wall, so that back and wall is formed a certain distance, lies low for back
Formula Folding sofa frame becomes lying posture and prepares from leisure appearance, meanwhile, mobile connecting plate 41 drive linkage unit 44 along with even
The hinged hinge joint rotation of fishplate bar 41, allows each interlocking bar of linkage unit 44 mutually to trail, but linkage unit 44 at this time
Driving back telescopic component 45 does not rotate, and back support frame 46 remains posture when sitting posture.Back horizontal lying-type Folding sofa
Frame from sitting posture be transformed into leisure appearance after, driving device 3 stops working.
Specifically, the expansion process of linkage unit 44 is, driving device 3 drives connecting plate 41 mobile via drive rod 2, moves
Dynamic connecting plate 41 drives the second interlocking bar 442 and the second linkage board 449 to move together, at the same the second interlocking bar 442 along with
The hinged hinge joint of connecting plate 41 rotates certain angle, and mobile and rotation the second interlocking bar 442 drives the first interlocking bar 441
First interlocking bar 441 of rotation, rotation is rotated along the hinge joint hinged with chassis 1 to the direction far from wall.The first of rotation
Interlocking bar 441 drives one end rotation of third interlocking bar 443, and the third interlocking bar 443 of rotation drives 444 turns of tetrad lever
It is dynamic.Meanwhile the leg telescopic component 42 of rotation drives the rotation of the 5th interlocking bar 445, the 5th interlocking bar 445 of rotation also drives the
Tetrad lever 444 rotates, and the direction and the 5th interlocking bar 445 that third interlocking bar 443 drives tetrad lever 444 to rotate drive the
The direction that tetrad lever 444 rotates is consistent.Mobile and rotation the second interlocking bar 442 drives the 6th interlocking bar 446 mobile and turns
Dynamic, mobile and rotation the 6th interlocking bar 446 drives the first linkage board 448 mobile, while the 6th interlocking bar 446 is along with first
The hinged hinge joint of linkage board 448 rotates certain angle.The first mobile linkage board 448 drives the rotation of the 7th interlocking bar 447,
7th interlocking bar 447 of rotation is rotated along the hinge joint hinged with chassis 1 to the direction far from wall.First linkage board 448 with
Second linkage board 449 is followed by 41 synchronizing moving of connecting plate.Realize that each interlocking bar of linkage unit 44 mutually trails, for back
Portion's horizontal lying-type Folding sofa frame becomes lying posture from leisure appearance and prepares.
Back horizontal lying-type Folding sofa frame from leisure appearance be transformed into lying posture during, driving device 3 works on, driving
3, device driving drive rods 2 are mobile to the direction far from wall, and drive rod 2 is not driven to rotate, and leg support bracket 43 keeps stretching, extension
State.Mobile drive rod 2 drives connecting plate 41 to continue to move to, and mobile connecting plate 41 drives the second interlocking bar 442 and second
Linkage board 449 continues to move to, while the second interlocking bar 442 rotates certain angle along the hinge joint hinged with connecting plate 41,
Mobile and rotation the second interlocking bar 442 drives the rotation of the first interlocking bar 441, the first interlocking bar 441 of rotation along with chassis 1
Hinged hinge joint is rotated to the direction far from wall.First interlocking bar 441 of rotation drives third interlocking bar 443 to rotate, rotation
Third interlocking bar 443 drive tetrad lever 444 rotate, the middle part of the tetrad lever 444 of rotation is along 41 turns of connecting plate
It is dynamic, while the tetrad lever 444 rotated drives the rotation of the 5th interlocking bar 445, the 5th interlocking bar 445 of rotation along with leg
The hinged hinge joint rotation of telescopic component 42.Mobile and rotation the second interlocking bar 442 drives the 6th interlocking bar 446 mobile and turns
Dynamic, mobile and rotation the 6th interlocking bar 446 drives the first linkage board 448 mobile and rotation, mobile and rotation the first linkage
Plate 448 drives the 7th interlocking bar 447, back telescopic component 45 and the rotation of the second linkage board 449, the 7th interlocking bar of rotation simultaneously
447 rotate along the hinge joint hinged with chassis 1 to the direction far from wall, and the back telescopic component 45 of rotation drives back support
Frame 46 stretches, and one end of the second linkage board 449 is rotated along with the hinged hinge joint of the first linkage board 448, the second linkage board 449
The other end be followed by connecting plate 41 and move together, after back horizontal lying-type Folding sofa frame becomes lying posture from leisure appearance, driving dress
3 are set to stop working.Linkage unit 44 it is compact-sized, can effectively transmit power and drive back support frame 46 stretch, make to carry on the back
Portion's horizontal lying-type Folding sofa frame can become lying posture from leisure appearance.
The first traditional interlocking bar 441 is generally bent rod and is articulated with the middle and back of chassis 1, the first traditional linkage
Bar 441 cannot support one end of connecting plate 41 to stick up height well, and the other end ground proximity of connecting plate 41 allows people to be without access to zero
The state of gravity.And the first interlocking bar 441 of the application is straight-bar, and one end of the first interlocking bar 441 is articulated with the end of chassis 1
End, under equal length, the two end point connecting line of straight-bar is longer than the two end point connecting line of bent rod, so the height that straight-bar can support
Degree is higher than the height that bent rod supports, so first interlocking bar 441 of straight-bar can support connecting plate after the stretching, extension of linkage unit 44
Height is stuck up in 41 one end, and the other end ground proximity of connecting plate 41;Stick up the related leg telescopic component in one end of high connecting plate 41
42 and leg support bracket 43 stick up height so that the leg for the people that leg support bracket 43 is supported is higher from the ground;The company of ground proximity
The related back telescopic component 45 in one end of fishplate bar 41 and 46 ground proximity of back support frame, the people for supporting back support frame 46
Back closer to ground, allow people to enjoy the state of zero-g, further relaxed and rested convenient for human body.
Preferably, several transverse connecting rods 5 are connected between two folding retractable mechanisms 4, transverse connecting rod 5
One end is connected to a folding retractable mechanism 4, and the other end of transverse connecting rod 5 is connected to another folding retractable mechanism 4.Two
It is connected with several transverse connecting rods 5 between folding retractable mechanism 4, increases the stability between Liang Ge folding retractable mechanism 4.
For the back horizontal lying-type Folding sofa frame of the application in lying posture state, leg support bracket 43 sticks up get Geng Gao, and back is held
Bracket 46 provides perfect fitting and support closer to ground, for the entire body of people, and the gravity of people is evenly dispersed into sand
The various pieces for sending out frame, allow people to enjoy the state of zero-g, further relax and rest convenient for human body.
As shown in Fig. 5, Fig. 6 and Figure 10, in the present embodiment, the 5th interlocking bar 445 includes first connecting portion 4451, the
Two interconnecting pieces 4452, third interconnecting piece 4453 and the 4th interconnecting piece 4454;One end of first connecting portion 4451 is articulated with tetrad
Lever 444, the other end of first connecting portion 4451 are connected to one end of second connecting portion 4452, second connecting portion 4452 it is another
End is connected to one end of third interconnecting piece 4453, and the other end of third interconnecting piece 4453 is connected to the one of the 4th interconnecting piece 4454
End, the other end of the 4th interconnecting piece 4454 are articulated with leg telescopic component 42, first connecting portion 4451 and second connecting portion 4452
Arranged in a crossed manner, second connecting portion 4452 and third interconnecting piece 4453 are arranged in a crossed manner, third interconnecting piece 4453 and the 4th interconnecting piece
4454 is arranged in a crossed manner, and the slope of first connecting portion 4451 and horizontal plane, the slope of second connecting portion 4452 and horizontal plane, third connect
The slope of the slope of socket part 4453 and horizontal plane, the 4th interconnecting piece 4454 and horizontal plane is positive number.
First connecting portion 4451, second connecting portion 4452, third interconnecting piece 4453 and the 4th interconnecting piece 4454 are integrally formed
Setting.Under equal length, the two end point connecting line of straight-bar is longer than the two end point connecting line of bent rod, in order to guarantee the 5th linkage
Bar 445 is able to achieve the scheduled characteristics of motion, and when the first interlocking bar 441 is straight-bar, the 5th interlocking bar 445 will select bending
Bar, if the 5th interlocking bar 445 selects straight-bar, folding retractable mechanism 4 successfully cannot be stretched or be shunk.
As shown in Figures 1 to 6, in the present embodiment, the leg telescopic component 42 includes leg first connecting rod 421, leg
The second connecting rod of portion 422, leg third connecting rod 423, the 4th connecting rod 424 of leg, the 5th connecting rod 425 of leg and leg
Six connecting rods 426;One end of leg first connecting rod 421 is connected to one end that drive rod 2 runs through connecting plate 41, and leg first connects
The other end of extension bar 421 is articulated with one end of the second connecting rod of leg 422, and the other end of the second connecting rod of leg 422 is articulated with
The middle part of leg third connecting rod 423, one end of leg third connecting rod 423 are articulated with connecting plate 41, leg third connecting rod
423 other end is articulated with one end of the 4th connecting rod 424 of leg, and the other end of the 4th connecting rod 424 of leg is articulated with leg
Support bracket 43, one end of the 5th connecting rod 425 of leg are articulated with connecting plate 41, and the other end of the 5th connecting rod 425 of leg is hinged
In one end of the 6th connecting rod 426 of leg, the other end of the 6th connecting rod 426 of leg is articulated with leg support bracket 43, leg
The middle part of five connecting rods 425 is articulated with the middle part of the 4th connecting rod 424 of leg, and one end of the 5th interlocking bar 445 is articulated with leg
The middle part of third connecting rod 423.
When back horizontal lying-type Folding sofa frame is transformed into leisure appearance from sitting posture, driving device 3 drives drive rod 2 to rotate simultaneously
With it is mobile to the direction far from wall, the drive rod 2 of rotation drives leg first connecting rod 421 to rotate together, the leg of rotation the
One connecting rod 421 drives the second connecting rod of leg 422 to rotate, and the second connecting rod of leg 422 of rotation drives the connection of leg third
Bar 423 rotates, and the leg third connecting rod 423 of rotation drives the rotation of the 4th connecting rod 424 of leg, and the leg the 4th of rotation connects
Bar 424 drives the rotation of the 5th connecting rod 425 of leg, and one end of the 5th connecting rod 425 of leg of rotation is cut with scissors along with connecting plate 41
The hinge joint rotation connect, the other end of the 5th connecting rod 425 of leg of rotation drive the rotation of the 6th connecting rod 426 of leg, rotation
The 4th connecting rod 424 of leg and the 6th connecting rod 426 of leg of rotation drive leg support bracket 43 to stretch simultaneously.
When back horizontal lying-type Folding sofa frame becomes lying posture from leisure appearance, driving device 3 works on, and driving device 3
It drives drive rod 2 mobile to the direction far from wall, drive rod 2 is not driven to rotate, leg support bracket 43 keeps the state of stretching, extension.Leg
Portion's telescopic component 42 can reliably drive leg support bracket 43 to stretch or shrink.
As shown in Fig. 5, Fig. 6, Figure 11 and Figure 12, in the present embodiment, the back telescopic component 45 connects including back first
Extension bar 451, the second connecting rod of back 452 and back third connecting rod 453;One end of back first connecting rod 451 is articulated with
One linkage board 448, the other end of back first connecting rod 451 are articulated with back support frame 46, and the one of the second connecting rod of back 452
End is articulated with connecting plate 41, and the other end of the second connecting rod of back 452 is articulated with back support frame 46, back third connecting rod
453 one end is articulated with the middle part of back first connecting rod 451, and the other end of back third connecting rod 453 is articulated with connecting plate
41。
The back first connecting rod 451 includes back first connecting portion 4511 and back second connecting portion 4512, back
One end of first connecting portion 4511 is articulated with the first linkage board 448, and the other end of back first connecting portion 4511 is connected to back
One end of second connecting portion 4512, the other end of back second connecting portion 4512 are articulated with back support frame 46;First connecting portion
4511 and back second connecting portion 4512 intersection setting, the angle between first connecting portion 4511 and back second connecting portion 4512
Greater than 90 degree, and it is less than 180 degree.
During back horizontal lying-type Folding sofa frame is transformed into lying posture from leisure appearance, mobile and rotation the first linkage board
448 drive back first connecting rod 451 to rotate, and the back first connecting rod 451 of rotation drives back support frame 46 to rotate, rotation
Back support frame 46 drive the second connecting rod of back 452 to rotate along with the hinged hinge joint of connecting plate 41, realize that back is held
The stretching, extension of bracket 46.Meanwhile back first connecting rod 451 is in the course of rotation, the back first connecting rod 451 of rotation drives
Back third connecting rod 453 rotates, and back third connecting rod 453 plays the role of constraint to back first connecting rod 451, makes to carry on the back
Portion's first connecting rod 451 can be rotated steadily.Traditional back first connecting rod 451 generally straight-bar, and the back of the application
First connecting rod 451 be bent rod, under equal length, due to straight-bar two end point connecting line than bent rod two end point connecting line
It grows, so the height that bent rod can support is lower than the height that straight-bar supports, so back telescopic component 45 is bent after stretching
The back first connecting rod 451 of bar allows back support frame 46 closer to ground, and people is allowed to enjoy the state of zero-g, is convenient for human body
Further relax and rest.
Specifically, back support frame 46 includes back support frame ontology 461 and back hinge bar 462, back support frame sheet
Body 461 and back hinge bar 462 are integrally formed setting, and one end of back hinge bar 462 stretches out back support frame ontology 461.
One end of back first connecting rod 451 is articulated with back support frame ontology 461, and one end of the second connecting rod of back 452 is articulated with
Back hinge bar 462 stretches out one end of back support frame ontology 461.At back, horizontal lying-type Folding sofa frame is converted from leisure appearance
During lying posture, the back first connecting rod 451 of bent rod drives back support frame ontology 461 to rotate, and allows back support
Frame ontology 461 allows people to enjoy the state of zero-g, further relaxes and rests convenient for human body closer to ground.Meanwhile rotation
Back support frame ontology 461 drives back hinge bar 462 to rotate together, and the back hinge bar 462 of rotation drives back second to connect
Extension bar 452 is rotated along with the hinged hinge joint of connecting plate 41.
As shown in Figure 1, Figure 2 and Figure 7, in the present embodiment, the leg third connecting rod 423 is equipped with the first hook part
4231, the second interlocking bar 442 is equipped with the first spacing block set 4421;When back horizontal lying-type Folding sofa frame is in contraction state, the
One spacing block set 4421 contradicts the first hook part 4231 and for limiting to leg third connecting rod 423.
When back horizontal lying-type Folding sofa frame is in contraction state, i.e., back horizontal lying-type Folding sofa frame is in sitting posture shape
State, the first spacing block set 4421 contradict the first hook part 4231 and for carrying out block limit to leg third connecting rod 423, prevent
Only 423 hypersystole of leg third connecting rod, and then 42 hypersystole of leg telescopic component is prevented, protect leg telescopic component 42
Structure.
As shown in fig. 1, fig. 2 and fig. 8, in the present embodiment, second linkage board 449 is equipped with the second hook part 4491, the
One linkage board 448 is equipped with the second spacing block set 4481;When back horizontal lying-type Folding sofa frame is in contraction state, the second limit convex
Block 4481 contradicts the second hook part 4491 and for limiting to the second linkage board 449.
When back horizontal lying-type Folding sofa frame is in contraction state, i.e., back horizontal lying-type Folding sofa frame is in sitting posture shape
State, the second spacing block set 4481 contradict the second hook part 4491 simultaneously for carrying out block limit to the second linkage board 449, prevent the
Two linkage boards, 449 hypersystole, and then 44 hypersystole of linkage unit is prevented, protect the structure of linkage unit 44.
As shown in Figure 1, Figure 2 and shown in Fig. 9, in the present embodiment, second connecting rod of back 452 is equipped with third hook part
4521, connecting plate 41 is equipped with third spacing block set 411, when back horizontal lying-type Folding sofa frame is in contraction state, third limit
Convex block 411 contradicts third hook part 4521 and for limiting to the second connecting rod of back 452.
When back horizontal lying-type Folding sofa frame is in contraction state, i.e., back horizontal lying-type Folding sofa frame is in sitting posture shape
State, third spacing block set 411 contradict third hook part 4521 and for carrying out block limit to the second connecting rod of back 452, prevent
Only 452 hypersystole of the second connecting rod of back, and then 45 hypersystole of back telescopic component is prevented, protect back telescopic component 45
Structure.
As shown in Figures 1 to 4, in the present embodiment, the driving device 3 include sliding rail 31, sliding block 32, driving assembly 33 and
Two pieces of connectors 34;Driving assembly 33 is installed in chassis 1, and sliding rail 31 is installed in chassis 1, and sliding block 32 is slideably positioned in sliding rail 31,
Driving assembly 33 is for driving sliding block 32 to slide along sliding rail 31;Two pieces of connectors 34 are located at the two sides of sliding block 32, connection
One end of part 34 is articulated with sliding block 32, and the other end of connector 34 is articulated with drive rod 2;The sliding block 32 of sliding is connected via two pieces
Part 34 drives the rotation of drive rod 2 and/or movement.The connector 34 includes linking arm 341, branch ear mount 342 and hinge bar 35, is connected
Connecing arm 341 includes the first link block 343 and the second link block 344 for being connected to the first link block 343,343 He of the first link block
Second link block 344 is arranged in a crossed manner;Branch ear mount 432 is connected to drive rod 2, and one end of hinge bar 35 is connected to sliding block 32, hingedly
The other end of bar 35 is articulated with one end of the first link block 343, and the second link block 344 is cut with scissors far from one end of the first link block 343
It is connected to branch ear mount 342.
In two stages, first motion stage, drive rod 2 had not only rotated but also movement, i.e., back lies low for the movement of drive rod 2
Formula Folding sofa frame is transformed into the stage of leisure appearance from sitting posture.Specifically, driving assembly 33 drives sliding block 32 sliding along sliding rail 31
Dynamic, the sliding block 32 of sliding drives drive rod 2 mobile via two pieces of connectors 34, meanwhile, during sliding block 32 slides, first
One end of link block 343 is rotated along with the hinged hinge joint of hinge bar 35, and the first link block 343 of rotation drives the second connection
Block 344 rotates together, and the second link block 344 of rotation drives branch ear mount 342 to rotate together, and drive rod 2 is followed by branch ear mount 342
It rotates together.
Second motion stage, 2 movements of drive rod do not rotate, i.e., back horizontal lying-type Folding sofa frame is converted from leisure appearance
At the stage of lying posture.Slided specifically, driving assembly 33 is further continued for driving sliding block 32 along sliding rail 31, the sliding block 32 of sliding via
Two pieces of connectors 34 drive drive rod 2 mobile.During sliding block 32 slides, one end of the first link block 343 along with hinge
The hinged hinge joint rotation of extension bar 35, the first link block 343 of rotation drive the second link block 344 to rotate together, and the of rotation
Two link blocks 344 are rotated along with the hinged hinge joint of branch ear mount 342, but the second link block 344 rotated does not drive branch ear mount
342 rotations.
The structure of driving device 3 is simple, ingenious in design, and drive rod 2 is made to be able to achieve two kinds of motion states, is back horizontal lying-type
Folding sofa frame is transformed into leisure appearance from sitting posture, back horizontal lying-type Folding sofa frame is transformed into lying posture from leisure appearance and provides driving
Power.
The first traditional link block 343 can be directly articulated on sliding block 32, and the application is connected to hinge bar in sliding block 32
35, then the first link block 343 is articulated on hinge bar 35, which increase the first link blocks 343, the second link block 344, trunnion
Frame 342, the height of drive rod 2 and connecting plate 41 from the ground stick up get Geng Gao for leg support bracket 43 and support.
All technical characteristics in the present embodiment can be freely combined according to actual needs.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of back horizontal lying-type Folding sofa frame, it is characterised in that: including chassis, drive rod, driving device and two foldings
Telescoping mechanism;Driving device is connected to chassis, and the output end of driving device is articulated with drive rod;Liang Ge folding retractable mechanism difference
It is set to the both ends of drive rod and is symmetrical arranged, driving device simultaneously is used to drive drive rod rotation and/or movement so that two foldings
Folded telescoping mechanism stretching, extension is shunk;
The folding retractable mechanism includes connecting plate, leg telescopic component, leg support bracket, linkage unit, back telescopic component
And back support frame;The both ends of drive rod are rotatably dispose in the connecting plate of Liang Ge folding retractable mechanism, the both ends of drive rod respectively
Extend through the connecting plate of Liang Ge folding retractable mechanism;Drive rod is mobile for driving the rotation of leg telescopic component and connecting plate,
The leg telescopic component of rotation is for driving leg support bracket to stretch or shrink, and mobile connecting plate is for driving linkage unit to turn
Dynamic, the linkage unit of rotation is for driving back telescopic component to rotate so that the stretching, extension of back support frame or contraction;Linkage unit point
It is not hinged with connecting plate, leg telescopic component and back telescopic component;
The linkage unit includes the first interlocking bar, the second interlocking bar, third interlocking bar, tetrad lever, the 5th interlocking bar, the
Six interlocking bar, the 7th interlocking bar, the first linkage board and the second linkage board;
One end of first interlocking bar is articulated with chassis, and the other end of the first interlocking bar is articulated with one end of the second interlocking bar, and second
The other end of interlocking bar is articulated with connecting plate, and one end of third interlocking bar is articulated with the middle part of the first interlocking bar, third interlocking bar
The other end be articulated with one end of tetrad lever, the other end of tetrad lever is articulated with one end of the 5th interlocking bar, the 5th
The other end of interlocking bar is articulated with leg telescopic component, is articulated with connecting plate in the middle part of tetrad lever, and the one of the 6th interlocking bar
End is articulated with the middle part of the second interlocking bar, and the other end of the 6th interlocking bar is articulated with the first linkage board, one end of the 7th interlocking bar
It is articulated with chassis, the other end of the 7th interlocking bar is articulated with the first linkage board, and back telescopic component is articulated with the first linkage board, the
One end of two linkage boards is articulated with connecting plate, and the other end of the second linkage board is articulated with the first linkage board;6th interlocking bar and the
The hinged place of one linkage board, the 7th interlocking bar and the hinged place of the first linkage board, the hinge of back telescopic component and the first linkage board
The hinged place at place, the second linkage board and the first linkage board is connect apart from one another by setting;
First interlocking bar is straight-bar, and one end of the first interlocking bar is articulated with the end of chassis to support one end of connecting plate
Stick up height, the other end ground proximity of connecting plate;The related leg telescopic component in one end and leg support bracket for sticking up high connecting plate are stuck up
Height, the related back telescopic component in one end of the connecting plate of ground proximity and back support frame ground proximity.
2. a kind of back horizontal lying-type Folding sofa frame according to claim 1, it is characterised in that: the 5th interlocking bar packet
Include first connecting portion, second connecting portion, third interconnecting piece and the 4th interconnecting piece;One end of first connecting portion is articulated with four-axle linkage
Bar, the other end of first connecting portion are connected to one end of second connecting portion, and the other end of second connecting portion is connected to third connection
The one end in portion, the other end of third interconnecting piece are connected to one end of the 4th interconnecting piece, and the other end of the 4th interconnecting piece is articulated with leg
Portion's telescopic component, first connecting portion is arranged in a crossed manner with second connecting portion, and second connecting portion and third interconnecting piece are arranged in a crossed manner, third
Interconnecting piece and the 4th interconnecting piece are arranged in a crossed manner, the slope of first connecting portion and horizontal plane, second connecting portion and horizontal plane slope,
The slope of the slope of third interconnecting piece and horizontal plane, the 4th interconnecting piece and horizontal plane is positive number.
3. a kind of back horizontal lying-type Folding sofa frame according to claim 1, it is characterised in that: the leg telescopic component
It is connected including leg first connecting rod, the second connecting rod of leg, leg third connecting rod, the 4th connecting rod of leg, leg the 5th
The 6th connecting rod of bar and leg;One end of leg first connecting rod is connected to one end that drive rod runs through connecting plate, leg first
The other end of connecting rod is articulated with one end of the second connecting rod of leg, and the other end of the second connecting rod of leg is articulated with leg third
The middle part of connecting rod, one end of leg third connecting rod are articulated with connecting plate, and the other end of leg third connecting rod is articulated with leg
One end of the 4th connecting rod of portion, the other end of the 4th connecting rod of leg are articulated with leg support bracket, and the one of the 5th connecting rod of leg
End is articulated with connecting plate, and the other end of the 5th connecting rod of leg is articulated with one end of the 6th connecting rod of leg, and leg the 6th connects
The other end of bar is articulated with leg support bracket, and the middle part of the 4th connecting rod of leg is articulated in the middle part of the 5th connecting rod of leg, the
One end of five interlocking bar is articulated with the middle part of leg third connecting rod.
4. a kind of back horizontal lying-type Folding sofa frame according to claim 1, it is characterised in that: the back telescopic component
Including back first connecting rod, the second connecting rod of back and back third connecting rod;One end of back first connecting rod is articulated with
First linkage board, the other end of back first connecting rod are articulated with back support frame, and one end of the second connecting rod of back is articulated with
Connecting plate, the other end of the second connecting rod of back are articulated with back support frame, and one end of back third connecting rod is articulated with back
The other end at the middle part of first connecting rod, back third connecting rod is articulated with connecting plate.
5. a kind of back horizontal lying-type Folding sofa frame according to claim 4, it is characterised in that: the back first connects
Bar includes back first connecting portion and back second connecting portion, and one end of back first connecting portion is articulated with the first linkage board, back
The other end of portion's first connecting portion is connected to one end of back second connecting portion, and the other end of back second connecting portion is articulated with back
Portion's support bracket;First connecting portion and the intersection setting of back second connecting portion, between first connecting portion and back second connecting portion
Angle is greater than 90 degree, and is less than 180 degree.
6. a kind of back horizontal lying-type Folding sofa frame according to claim 3, it is characterised in that: the leg third connection
Bar is equipped with the first hook part, and the second interlocking bar is equipped with the first spacing block set;Back horizontal lying-type Folding sofa frame is in contraction state
When, the first spacing block set contradicts the first hook part and for limiting to leg third connecting rod.
7. a kind of back horizontal lying-type Folding sofa frame according to claim 1, it is characterised in that: second linkage board is set
There is the second hook part, the first linkage board is equipped with the second spacing block set;When back horizontal lying-type Folding sofa frame is in contraction state, the
Two spacing block sets contradict the second hook part and for limiting to the second linkage board.
8. a kind of back horizontal lying-type Folding sofa frame according to claim 4, it is characterised in that: the back second connects
Bar is equipped with third hook part, and connecting plate is equipped with third spacing block set, when back horizontal lying-type Folding sofa frame is in contraction state, the
Three spacing block sets contradict third hook part and for limiting to the second connecting rod of back.
9. a kind of back horizontal lying-type Folding sofa frame according to claim 1, it is characterised in that: the driving device includes
Sliding rail, sliding block, driving assembly and two pieces of connectors;Driving assembly is installed in chassis, and sliding rail is installed in chassis, sliding block sliding setting
In sliding rail, driving assembly is for driving sliding block to slide along sliding rail;Two pieces of connectors are located at the two sides of sliding block, connector
One end is articulated with sliding block, and the other end of connector is articulated with drive rod;The sliding block of sliding drives drive rod via two pieces of connectors
Rotation and/or movement.
10. a kind of back horizontal lying-type Folding sofa frame according to claim 9, it is characterised in that: the connector includes
Linking arm, branch ear mount and hinge bar, linking arm include the first link block and the second link block for being connected to the first link block, and first
Link block and the second link block are arranged in a crossed manner;Branch ear mount is connected to drive rod, and one end of hinge bar is connected to sliding block, hinge bar
The other end is articulated with one end of the first link block, and the second link block is articulated with branch ear mount far from one end of the first link block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811647643.XA CN109602205A (en) | 2018-12-29 | 2018-12-29 | A kind of back horizontal lying-type Folding sofa frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811647643.XA CN109602205A (en) | 2018-12-29 | 2018-12-29 | A kind of back horizontal lying-type Folding sofa frame |
Publications (1)
Publication Number | Publication Date |
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CN109602205A true CN109602205A (en) | 2019-04-12 |
Family
ID=66015937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811647643.XA Withdrawn CN109602205A (en) | 2018-12-29 | 2018-12-29 | A kind of back horizontal lying-type Folding sofa frame |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111642922A (en) * | 2020-06-05 | 2020-09-11 | 锐迈机械科技(吴江)有限公司 | Adjustable seat support |
CN113142870A (en) * | 2021-05-31 | 2021-07-23 | 锐迈机械科技(吴江)有限公司 | Seat stretching device capable of being stretched in prolonged mode |
CN114451728A (en) * | 2020-11-10 | 2022-05-10 | 博格睿(重庆)科技有限公司 | Multifunctional sofa |
WO2022241965A1 (en) * | 2021-05-18 | 2022-11-24 | 德沃康科技集团有限公司 | Chair frame and chair |
CN116098413A (en) * | 2021-02-22 | 2023-05-12 | 江苏慕林智造科技股份有限公司 | Driving device and electric folding sofa bed |
CN112841978B (en) * | 2021-01-07 | 2023-09-01 | 浙江特雷通家居科技集团有限公司 | Intelligent household sofa |
-
2018
- 2018-12-29 CN CN201811647643.XA patent/CN109602205A/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111642922A (en) * | 2020-06-05 | 2020-09-11 | 锐迈机械科技(吴江)有限公司 | Adjustable seat support |
CN114451728A (en) * | 2020-11-10 | 2022-05-10 | 博格睿(重庆)科技有限公司 | Multifunctional sofa |
CN114451728B (en) * | 2020-11-10 | 2024-03-22 | 博格睿(重庆)科技有限公司 | Multifunctional sofa |
CN112841978B (en) * | 2021-01-07 | 2023-09-01 | 浙江特雷通家居科技集团有限公司 | Intelligent household sofa |
CN116098413A (en) * | 2021-02-22 | 2023-05-12 | 江苏慕林智造科技股份有限公司 | Driving device and electric folding sofa bed |
WO2022241965A1 (en) * | 2021-05-18 | 2022-11-24 | 德沃康科技集团有限公司 | Chair frame and chair |
CN113142870A (en) * | 2021-05-31 | 2021-07-23 | 锐迈机械科技(吴江)有限公司 | Seat stretching device capable of being stretched in prolonged mode |
CN113142870B (en) * | 2021-05-31 | 2023-11-03 | 锐迈科技股份有限公司 | Seat stretching device capable of being stretched in prolonged mode |
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Application publication date: 20190412 |