CN107981604A - A kind of structure improved divan - Google Patents

A kind of structure improved divan Download PDF

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Publication number
CN107981604A
CN107981604A CN201711202699.XA CN201711202699A CN107981604A CN 107981604 A CN107981604 A CN 107981604A CN 201711202699 A CN201711202699 A CN 201711202699A CN 107981604 A CN107981604 A CN 107981604A
Authority
CN
China
Prior art keywords
seat cushion
seat
push
detection block
sofa
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711202699.XA
Other languages
Chinese (zh)
Other versions
CN107981604B (en
Inventor
邹格兵
曾金
邹相丞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Murong Fashion Home Co Ltd
Original Assignee
Zhejiang Murong Fashion Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Murong Fashion Home Co Ltd filed Critical Zhejiang Murong Fashion Home Co Ltd
Priority to CN201711202699.XA priority Critical patent/CN107981604B/en
Publication of CN107981604A publication Critical patent/CN107981604A/en
Application granted granted Critical
Publication of CN107981604B publication Critical patent/CN107981604B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/04Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/22Seating furniture having non-movable back-rest changeable to beds with means for uncovering a previously hidden mattress or similar bed part
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/04Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/22Seating furniture having non-movable back-rest changeable to beds with means for uncovering a previously hidden mattress or similar bed part
    • A47C17/225Seating furniture having non-movable back-rest changeable to beds with means for uncovering a previously hidden mattress or similar bed part with hidden separate full size mattress frame unfolded out of the base frame
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/04Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/34Joining seats, chairs, or couches to form beds
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/86Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • A47C19/04Extensible bedsteads, e.g. with adjustment of length, width, height

Abstract

The present invention provides a kind of structure improved divan.It is larger that it solves existing sofa bed volume, can not be used in narrow space, the technical problem such as poor practicability.This structure improved divan, including sofa seat, backrest and the first seat cushion, first seat cushion is fixed on sofa seat by snap fastener, outwardly extending storage groove is connected with sofa seat one end, the second seat cushion is hinged with storage groove, second seat cushion upper surface can be with the first seat cushion flush, memory foam is both provided with first seat cushion and the second seat cushion, backrest inclination is fixed on sofa seat, sofa seat other end bottom is provided with storage chamber, the 3rd seat cushion is provided with storage chamber, the 3rd seat cushion is arranged in storage chamber by a moving mechanism.The present invention has the advantages that highly practical.

Description

A kind of structure improved divan
Technical field
The invention belongs to sofa technical field, is related to a kind of divan, particularly a kind of structure improved sofa.
Background technology
Modern room arrangement is advocated succinctly, and multi-functional furniture increasingly becomes popular selection, and divan is exactly one. In small apartment room, in order to meet visitor's inhabitation needs once in a while, a divan is very necessary.Under normal conditions, sofa Bed can be positioned over parlor or study, serve as the function of seat;In the evening that guest arrives, be unfolded divan, spreading bedding is exactly One doss.In the common house type in three Room, two Room etc, divan also can help owner to deal with once in a while outside guest bedroom doss Several guests come to visit.
Through retrieval, as Chinese patent literature discloses a kind of divan【Application number:201420786456.0;Publication number: CN204292665U】.This divan, including sofa matrix, the both sides of the sofa matrix are connected with handrail, the sand Be fixedly connected with secondary seat on hair matrix, the side of the pair seat is hinged with main seat, the upper surface of the pair seat and The upper and lower surface of the main seat is connected with cushion, it is characterized in that:The main seat is equipped with what is communicated with the external world Resettlement groove, the resettlement groove is interior to be equipped with supporting rod, and the top movable of the supporting rod is connected with mosquito net, the main seat, secondary seat Be equipped with mounting structure on plate, be equipped with the resettlement groove be used to taking out the supporting rod take rod structure.
Although the divan disclosed in the patent have the advantages that from mosquito invade and harass, comfort it is strong, the divan Volume is larger, can not be used in narrow space, poor practicability, and therefore, it is to design a kind of structure improved divan very much It is necessary.
The content of the invention
The purpose of the present invention is for existing technology, there are the above problem, it is proposed that a kind of structure improved divan, The divan has the characteristics that highly practical.
The purpose of the present invention can be realized by following technical proposal:A kind of structure improved divan, including sofa seat, Backrest and the first seat cushion, it is characterised in that first seat cushion is fixed on sofa seat, is connected with sofa seat one end to extension The storage groove stretched, is hinged with the second seat cushion on storage groove, the second seat cushion upper surface can with the first seat cushion flush, the first seat cushion and Memory foam is both provided with second seat cushion, backrest inclination is fixed on sofa seat, and sofa seat other end bottom is provided with storage Chamber, is provided with the 3rd seat cushion in storage chamber, the 3rd seat cushion is arranged in storage chamber by a moving mechanism.
The operation principle of the present invention is as follows:The 3rd seat cushion is pulled out and raised from storage chamber by moving mechanism, first Seat cushion, the second seat cushion and the 3rd seat cushion can form bed, and the 3rd seat cushion can be placed in storage chamber when not in use, practicality By force;Memory foam is both provided with first seat cushion and the second seat cushion, using the structure, is greatly improved the comfort of sofa;It is logical Cross and lift the second seat cushion, can be by article storage in storage groove, space availability ratio is high.
There is gas spring, the both ends of gas spring are respectively hinged at storage groove and second between second seat cushion and storage groove On seat cushion.
Using above structure, by the impetus of gas spring, quickly the second seat cushion can be lifted, rapid operation.
The moving mechanism includes movable stand and lifting frame, and movable stand is arranged in storage chamber by a guide frame, is moved Some rollers are fixed with moving frame, lifting frame is arranged on movable stand, and the elevator of its oscilaltion can be driven by lifting frame and one Structure is connected, and the 3rd seat cushion is fixed on lifting frame.
Using above structure, movable stand is pulled out from the storage chamber of sofa seat by guide frame, passes through elevating mechanism Lifting frame is driven to move up and down, lifting frame drives the 3rd seat cushion to move up and down, and the height of the 3rd seat cushion can be adjusted arbitrarily, can As mattress or desktop, and the 3rd seat cushion can be placed on when not in use in storage chamber, functional.
The guide frame is guide rail, and guide rail includes outer rail and internal rail, and internal rail is slidably connected on outer rail, outer rail and sofa Seat is mutually fixed, and internal rail is mutually fixed with movable stand.
Using above structure, movable stand can be effectively oriented to by guide rail, moves it and more stablize, is reliable, Guiding role is good.
The elevating mechanism includes the first push-rod electric machine, and the first push-rod electric machine is fixed on movable stand vertically, the first push rod The push rod of motor straight up, by locating rack with lifting frame mutually fixed by the push rod end of the first push-rod electric machine.
When needing to move up and down the 3rd seat cushion, the push rod of the first push-rod electric machine of control moves up and down, the first push rod electricity The push rod of machine drives locating rack to move up and down, and locating rack drives lifting frame to move up and down, and lifting frame drives and moved down on the 3rd seat cushion It is dynamic, it can move up and down the 3rd seat cushion, adjust quick.
The control mechanism that the first push-rod electric machine can be controlled to act, control mechanism are provided between the movable stand and lifting frame Including upper detection block, middle detection block, lower detection block, spring, sensor and controller, spring upper end is connected with lifting frame, spring Lower end is connected with movable stand, and upper detection block, middle detection block and lower detection block are sequentially fixed on spring, and sensor is consolidated by stent It is scheduled on movable stand, sensor has emission part and receiving division, and upper detection block, middle detection block and lower detection block can be by emission parts Signal partition between receiving division, sensor and the first push-rod electric machine are connected with the controller.
Using the structure, upper detection block is used for the 3rd seat cushion of detection and is in bottom position, i.e. initial position;Middle detection block is used Medium position is in detecting the 3rd seat cushion, i.e. the 3rd seat cushion regards mattress;Lower detection block is used to detect the 3rd seat cushion in top Desktop is regarded in portion position, i.e. the 3rd seat cushion;Can be respectively by emission part and reception by upper detection block, middle detection block and lower detection block Signal is passed to controller by the signal partition between portion, sensor, and controller controls the action of the first push-rod electric machine, makes the 3rd Pad is in required position, and intelligence degree is high.
The sofa seat bottom is further opened with accommodating chamber, and accommodating chamber is provided with energy in sofa seat front, accommodating chamber The swing mechanism for swinging sofa seat, swing mechanism include the second push-rod electric machine and pushing plate, and the second push-rod electric machine passes through hinged Axis and sofa seat are hinged, the push rod of the second push-rod electric machine straight down, on the push rod end of the second push-rod electric machine and pushing plate Surface is hinged, and pushing plate lower surface can lean with ground, and pushing plate is provided with anti-skid structure on lower surface.
When needing to clear up sofa seat bottom, the push rod of the second push-rod electric machine of control moves down, the second push rod The push rod of motor drives pushing plate to move down, and pushing plate and ground lean, with the push rod of the second push-rod electric machine continue to Lower movement, can move up sofa seat front end, i.e., need not move sofa seat, so that it may its bottom be cleared up, cleaning is convenient.
The anti-skid structure is rubber pad, has some circular convex blocks on rubber pad.
Using above structure, pushing plate and the frictional force on ground can be increased by rubber pad, avoid it from having skidded, worked Stability is good.
As another situation, the anti-skid structure is nylon sheet, has some circular convex blocks in nylon sheet.
Using above structure, pushing plate and the frictional force on ground can be increased by nylon sheet, avoid it from having skidded, worked Stability is good.
Some gag lever posts are additionally provided with the sofa seat, gag lever post one end is mutually fixed with sofa seat, the gag lever post other end It can lean with the second push-rod electric machine.
, can be spacing to the progress of the second push-rod electric machine by gag lever post using above structure, position-limiting action is good.
Compared with prior art, this structure improved divan has the following advantages:
1st, the 3rd seat cushion can be pulled out and raised from storage chamber in the present invention, the first seat cushion, the second seat cushion and the 3rd Pad can form bed, and the 3rd seat cushion can be placed in storage chamber when not in use, highly practical.
2nd, move up and down lifting frame by the first push-rod electric machine, lifting frame drives the 3rd seat cushion to move up and down, the 3rd The height of pad can be adjusted arbitrarily, can regard mattress or desktop, and the 3rd seat cushion can be placed in storage chamber when not in use, work( Energy property is strong.
3rd, by the impetus of gas spring, quickly the second seat cushion can be lifted, rapid operation.
4th, pushing plate is driven to move down by the push rod of the second push-rod electric machine, pushing plate and ground lean, and can make sand Hair seat front end moves up, i.e., need not move sofa seat, so that it may its bottom is cleared up, cleaning is convenient.
5th, can be spacing to the progress of the second push-rod electric machine by gag lever post, position-limiting action is good.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the dimensional structure diagram of moving mechanism in the present invention.
Fig. 3 is the planar structure schematic diagram that the present invention removes part.
Fig. 4 is the sectional view that the present invention removes part.
Fig. 5 is the dimensional structure diagram that the present invention removes part.
In figure, 1, sofa seat;1a, storage chamber;1b, accommodating chamber;2nd, the 3rd seat cushion;3rd, storage groove;4th, the second seat cushion;5th, lean on The back of the body;6th, the first seat cushion;7th, roller;8th, movable stand;9th, frame is lifted;10th, locating rack;11st, the first push-rod electric machine;12nd, guide rail;12a、 Outer rail;12b, internal rail;13rd, controller;14th, spring;15th, stent;16th, lower detection block;17th, middle detection block;18th, sensor;19、 Upper detection block;20th, rubber pad;21st, pushing plate;22nd, gag lever post;23rd, the second push-rod electric machine;24th, gas spring.
Embodiment
It is the specific embodiment of the present invention and with reference to attached drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in Figure 1, this structure improved divan, including sofa seat 1,5 and first seat cushion 6 of backrest, the first seat cushion 6 are solid It is scheduled on sofa seat 1, the first seat cushion 6 is fixed on sofa seat 1 by snap fastener;It is connected with and stretches out on 1 one end of sofa seat Storage groove 3, storage groove 3 is connected with by snap fastener on 1 one end of sofa seat;The second seat cushion 4, storage are hinged with storage groove 3 3 end of groove and 4 end of the second seat cushion are hinged by hinge assembly;Second seat cushion, 4 upper surface can with 6 flush of the first seat cushion, Memory foam is both provided with first seat cushion 6 and the second seat cushion 4, memory foam uses the existing product that in the market can be bought, Using the structure, the comfort of sofa is greatly improved;Backrest 5 is tilted and is fixed on sofa seat 1,1 other end bottom of sofa seat Storage chamber 1a is provided with, the 3rd seat cushion 2 is provided with storage chamber 1a, the 3rd seat cushion 2 is arranged on storage chamber by a moving mechanism In 1a, in the present embodiment, the 3rd seat cushion 2 is moved in storage chamber 1a or the anterior of phase sofa seat 1 moves.
As shown in figure 5, having gas spring 24 between the second seat cushion 4 and storage groove 3, the both ends of gas spring 24 are respectively hinged at On 3 and second seat cushion 4 of storage groove;In the present embodiment, the quantity of gas spring 24 is two;Using the structure, pass through gas spring 24 impetus, quickly can lift the second seat cushion 4, rapid operation.
As shown in Figure 2 and Figure 3, moving mechanism includes movable stand 8 and lifting frame 9, and movable stand 8 is set by a guide frame In storage chamber 1a, some rollers 7 are fixed with movable stand 8, in the present embodiment, the quantity of roller 7 is six;Lift frame 9 It is arranged on movable stand 8, lifting frame 9 can drive the elevating mechanism of its oscilaltion to be connected with one, and the 3rd seat cushion 2 is fixed on lifting On frame 9, the 3rd seat cushion 2 is fixed on lifting frame 9 by bolted connection.
As shown in Fig. 2, guide frame is guide rail 12, the existing product that guide rail 12 can be bought using in the market;Guide rail 12 Including outer rail 12a and internal rail 12b, internal rail 12b is slidably connected on outer rail 12a, and outer rail 12a is mutually fixed with sofa seat 1, outer rail 12a is mutually fixed by bolted connection with sofa seat 1;Internal rail 12b is mutually fixed with movable stand 8, internal rail 12b and movable stand 8 Mutually fix by bolted connection;Using the structure, movable stand 8 can be effectively oriented to by guide rail 12, make it Mobile more to stablize, is reliable, guiding role is good.
As shown in Figure 2 and Figure 3, elevating mechanism includes the first push-rod electric machine 11, and the first push-rod electric machine 11 is fixed on movement vertically On frame 8, the first push-rod electric machine 11 is fixed on movable stand 8 by bolted connection;The push rod of first push-rod electric machine 11 erects Straight upward, the push rod end of the first push-rod electric machine 11 is mutually fixed by locating rack 10 with lifting frame 9.
As shown in figure 3, it is provided with the control machine that the first push-rod electric machine 11 can be controlled to act between movable stand 8 and lifting frame 9 Structure, control mechanism include upper detection block 19, middle detection block 17, lower detection block 16, spring 14, sensor 18 and controller 13, pass The existing product that sensor 18 can be bought using in the market;14 upper end of spring is connected with lifting frame 9,14 lower end of spring and movable stand 8 are connected, and upper detection block 19, middle detection block 17 and lower detection block 16 are sequentially fixed on spring 14, and sensor 18 passes through stent 15 It is fixed on movable stand 8, sensor 18 has emission part and receiving division, upper detection block 19, middle detection block 17 and lower detection block 16 Can by between emission part and receiving division signal separate, 18 and first push-rod electric machine 11 of sensor with 13 phase of controller Even, in the present embodiment, the journey of the microcontroller that controller 13 can be bought using in the market, microcontroller control motor and sensor Sequence is existing, its program need not update;Using the structure, upper detection block 19 is used for the 3rd seat cushion 2 of detection and is in bottom Position, i.e. initial position;Middle detection block 17 is used for the 3rd seat cushion 2 of detection and is in medium position, i.e. the 3rd seat cushion 2 regards mattress; Lower detection block 16 is used for the 3rd seat cushion 2 of detection and is in tip position, i.e. the 3rd seat cushion 2 regards desktop.
As shown in figure 4,1 bottom of sofa seat is further opened with accommodating chamber 1b, and accommodating chamber 1b is positive close to sofa seat 1, at this In embodiment, the quantity of accommodating chamber 1b is two, is distributed in the both sides of sofa seat 1;Sofa seat 1 can be made by being provided with accommodating chamber 1b The swing mechanism of swing, swing mechanism include the second push-rod electric machine 23 and pushing plate 21, and the second push-rod electric machine 23 passes through articulated shaft Be hinged with sofa seat 1, the push rod of the second push-rod electric machine 23 straight down, the push rod end of the second push-rod electric machine 23 and pushing plate 21 upper surfaces are hinged, and 21 lower surface of pushing plate can lean with ground, and pushing plate is provided with anti-skid structure on 21 lower surface.
As shown in figure 4, anti-skid structure is rubber pad 20, there are some circular convex blocks, in the present embodiment on rubber pad 20 In, the quantity of convex block is 30;Using the structure, pushing plate 21 and the frictional force on ground can be increased by rubber pad 20, kept away Exempt from it to have skidded, good operating stability;Certainly, according to actual conditions, this kind of embodiment can also be used, anti-skid structure is Nylon sheet, has some circular convex blocks in nylon sheet, and in the present embodiment, the quantity of convex block is 20;Using the structure, Pushing plate 21 and the frictional force on ground can be increased by nylon sheet, avoid it from having skidded, good operating stability.
As shown in figure 4, being additionally provided with some gag lever posts 22 on sofa seat 1, in the present embodiment, the quantity of gag lever post 22 is Two;22 one end of gag lever post is mutually fixed with sofa seat 1, and 22 other end of gag lever post can lean with the second push-rod electric machine 23;Using The structure, can carry out the second push-rod electric machine 23 by gag lever post 22 spacing, and position-limiting action is good.
The operation principle of the present invention is as follows:Movable stand 8 is pulled out from the storage chamber 1a of sofa seat 1 by guide rail 12;Control The push rod for making the first push-rod electric machine 11 moves up and down, and the push rod of the first push-rod electric machine 11 drives locating rack 10 to move up and down, and positions Frame 10 drives lifting frame 9 to move up and down, and lifting frame 9 drives the 3rd seat cushion 2 to move up and down, and passes through upper detection block 19, middle detection block 17 and lower detection block 16 signal between emission part and receiving division can be separated respectively, signal pass to controller by sensor 18 13, controller 13 controls the first push-rod electric machine 11 to act, and can regard mattress or desktop, and the first seat cushion 6, the second seat cushion 4 Bed can be formed when being located at sustained height with the 3rd seat cushion 2;When needing to clear up 1 bottom of sofa seat, control second The push rod of push-rod electric machine 23 moves down, and the push rod of the second push-rod electric machine 23 drives pushing plate 21 to move down, 21 He of pushing plate Ground leans, and the push rod with the second push-rod electric machine 23 continues to move down, and can move up 1 front end of sofa seat, i.e., without Sofa seat 1 need to be moved, so that it may which its bottom is cleared up;The second seat cushion 4 is pulled, by the impetus of gas spring 24, by Two seat cushions 4 lift, can be by article storage in storage groove 3.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.

Claims (6)

1. a kind of structure improved divan, including sofa seat, backrest and the first seat cushion, it is characterised in that first seat cushion It is fixed on by snap fastener on sofa seat, outwardly extending storage groove is connected with sofa seat one end, is hinged with storage groove Two seat cushions, the second seat cushion upper surface can be both provided with memory foam in the first seat cushion and the second seat cushion with the first seat cushion flush, Backrest inclination is fixed on sofa seat, and sofa seat other end bottom is provided with storage chamber, and the 3rd seat cushion is provided with storage chamber, the Three seat cushions are arranged in storage chamber by a moving mechanism.
2. structure improved divan according to claim 1, it is characterised in that between second seat cushion and storage groove With gas spring, the both ends of gas spring are respectively hinged on storage groove and the second seat cushion.
3. structure improved divan according to claim 1, it is characterised in that the moving mechanism include movable stand and Frame is lifted, movable stand is arranged in storage chamber by a guide frame, and six rollers are fixed with movable stand, and lifting frame is arranged on On movable stand, lifting frame can drive the elevating mechanism of its oscilaltion to be connected with one, and the 3rd seat cushion is fixed on lifting frame.
4. structure improved divan according to claim 3, it is characterised in that the guide frame is guide rail, guide rail Including outer rail and internal rail, internal rail is slidably connected on outer rail, and outer rail is mutually fixed by bolted connection with sofa seat, internal rail Mutually fixed by bolted connection with movable stand.
5. structure improved divan according to claim 3, it is characterised in that the elevating mechanism includes the first push rod Motor, the first push-rod electric machine are fixed on movable stand vertically, the push rod of the first push-rod electric machine straight up, the first push-rod electric machine Push rod end is mutually fixed by locating rack with lifting frame.
6. structure improved divan according to claim 5, it is characterised in that set between the movable stand and lifting frame Be equipped with can control the first push-rod electric machine act control mechanism, control mechanism include upper detection block, middle detection block, lower detection block, Spring, sensor and controller, spring upper end are connected with lifting frame, and lower spring end is connected with movable stand, upper detection block, middle detection Block and lower detection block are sequentially fixed on spring, and sensor is fixed by the bracket on movable stand, sensor have emission part and Receiving division, upper detection block, middle detection block and lower detection block can by between emission part and receiving division signal separate, sensor and First push-rod electric machine is connected with the controller.
CN201711202699.XA 2016-02-22 2016-02-22 Sofa bed with improved structure Expired - Fee Related CN107981604B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711202699.XA CN107981604B (en) 2016-02-22 2016-02-22 Sofa bed with improved structure

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Application Number Priority Date Filing Date Title
CN201711202699.XA CN107981604B (en) 2016-02-22 2016-02-22 Sofa bed with improved structure
CN201610094358.4A CN105768673B (en) 2016-02-22 2016-02-22 Divan with memory foam

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CN201610094358.4A Division CN105768673B (en) 2016-02-22 2016-02-22 Divan with memory foam

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CN107981604B CN107981604B (en) 2020-05-26

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CN204764346U (en) * 2015-07-12 2015-11-18 何纪江 Multifunctional sofa

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108720407A (en) * 2018-05-29 2018-11-02 王德文 Combine full-automatic accommodation sofa bed
CN108720409A (en) * 2018-05-29 2018-11-02 王德文 Full-automatic accommodation sofa bed

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