CN107028405A - The mechanical extending device of Disassembling sofa - Google Patents
The mechanical extending device of Disassembling sofa Download PDFInfo
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- CN107028405A CN107028405A CN201710290204.7A CN201710290204A CN107028405A CN 107028405 A CN107028405 A CN 107028405A CN 201710290204 A CN201710290204 A CN 201710290204A CN 107028405 A CN107028405 A CN 107028405A
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- 238000009434 installation Methods 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000001012 protector Effects 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
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Classifications
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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
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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
- A47C17/86—Parts 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
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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 invention provides a kind of mechanical extending device of Disassembling sofa, belong to sofa technical field.The mechanical extending device of this Disassembling sofa, including left-hand side part, right side members, switch block and self-locking spring, left-hand side part is fixedly connected with right side members by fixed component, switch block is arranged in left-hand side part or right side members, left-hand side part, right side members are provided with identical toe board, the bar of pin one, the bar of pin two, the bar of pin three, the bar of pin four, small toe board, installation side plate, connecting rod one, preceding STATEMENT OF FEDERALLY SPONSORED, connecting rod four, connecting rod six, rear support, front supporting member, STATEMENT OF FEDERALLY SPONSORED, STATEMENT OF FEDERALLY SPONSORED afterwards, rotating shaft transmission part, back rest, footing, protector, connecting rod three, connecting rod five；The safe finger pinch device for clamping finger can be prevented by being equipped with left-hand side part, the toe board of right side members.The present invention is simple in construction, easy to use, spacing reasonable, and leg rest and backrest in brandreth are deployed and draw more smooth in, lifting quality scale and service life.
Description
Technical field
The invention belongs to sofa technical field, it is related to a kind of mechanical extending device, particularly a kind of machinery of Disassembling sofa
Extending apparatus.
Background technology
Sofa is a kind of chair equipped with cushion, and in daily life, sofa has become a kind of very universal
Furniture, relatively ancient wood substance seat, existing cloth or cortex sofa can give people to provide more comforts.With people
Living standard continuous improvement, requirement of the people to furniture also more and more higher, the common and single sofa of function will gradually by
People give up.
In existing sofa, typically all there is the function that backrest is toppled over and resetted, leg rest is deployed and drawn in, in order that sofa
The regulation performance of middle backrest and leg rest is more flexible, each can individually be controlled the backrest and leg rest in sofa, so that suitable
The posture of having a rest that crowd is different should be used.The great not enough ground of mechanical extending device generally existing three of current existing sofa
Side：1st, deploy and draw in length it is inconsistent, cause mechanical extending device do not open or function sofa sit before Soft Roll collapse influence
Outward appearance；2nd, design complicated, step is excessive, tie point connected mode, limit method are complicated, and this causes mechanical extending device integrally to be tied
Structure is excessively complicated, reduces the fluency of brandreth operationally, and the possibility that problem occurs in the process of running for brandreth is high；3、
Without design safety finger pinch device, contour structures are heavy, reduce the security reliability of mechanical extending device.
So, for those skilled in the art, it need to the backrest and the adjusting means of leg rest in existing sofa
It is improved, to solve the above problems, makes the gathering of sofa and deploy more smooth, regulation performance is more flexible, so as to be factory
Business obtains bigger consumption market.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of mechanical stretching of Disassembling sofa
Device, the technical problems to be solved by the invention are that the angle for leg rest opening and gathering and the backrest for how realizing sofa is adjusted
Section.
The purpose of the present invention can be realized by following technical proposal：The mechanical extending device of Disassembling sofa, including left side
Part, right side members, switch block and self-locking spring, left-hand side part are fixedly connected with right side members by fixed component, switch
Part is arranged in left-hand side part or right side members, it is characterised in that the left-hand side part, right side members are provided with identical
Toe board, the bar of pin one, the bar of pin two, the bar of pin three, the bar of pin four, small toe board, installation side plate, connecting rod one, preceding STATEMENT OF FEDERALLY SPONSORED, connecting rod
4th, connecting rod six, rear support, front supporting member, STATEMENT OF FEDERALLY SPONSORED, rear STATEMENT OF FEDERALLY SPONSORED, rotating shaft transmission part, back rest, footing, protector, company
Bar three, connecting rod five；Toe board is rotated and is connected with the bar of pin one, the bar of pin two, and the bar of pin one is rotated and is connected with the bar of pin three, small toe board, pin
Two bars and small toe board, the bar of pin three, the bar of pin four are rotated and be connecteds, and the bar of pin three is connected with installation side plate rotation, the bar of pin four and connecting rod six,
Connecting rod five, installation side plate rotate connection, and connecting rod six and rotating shaft transmission part are rotated and be connected, installation side plate and the bar of pin four, the bar of pin three, after
STATEMENT OF FEDERALLY SPONSORED, back rest, preceding STATEMENT OF FEDERALLY SPONSORED rotate connection, and preceding STATEMENT OF FEDERALLY SPONSORED is rotated and is connected with connecting rod four, front supporting member, front supporting member and company
Bar three, footing rotate connection, and rear STATEMENT OF FEDERALLY SPONSORED and connecting rod three, installation side plate, connecting rod five are rotated and be connected, STATEMENT OF FEDERALLY SPONSORED and connecting rod four, after
Support member, connecting rod one, installation side plate rotate connection, and connecting rod one is rotated with back rest and is connected, and protector is fixed with installation side plate to be connected
Connect；The left-hand side part, right side members be provided with the limiting bush of identical first, the second limiting bush, the 3rd limiting bush,
4th limiting bush, the 5th limiting bush and self-locking spring, the first limiting bush are arranged on the bar of pin three, the second limiting bush,
5th limiting bush is arranged in STATEMENT OF FEDERALLY SPONSORED, and the 3rd limiting bush is arranged in preceding STATEMENT OF FEDERALLY SPONSORED, and the 4th limiting bush, which is arranged on, to be turned
On axle driving member, it is provided with the bar of pin three in first confined planes, the second confined planes, rear support and is provided with the 3rd confined planes, is pacified
It is provided with dress side plate on the 4th confined planes, the 5th confined planes, the 6th confined planes, connecting rod six and is provided with the 7th confined planes, rotating shaft
The tenth confined planes are provided with driving member, the first limiting bush can coordinate with the first confined planes or the second confined planes, the second limit
Position bushing can coordinate with the 3rd confined planes, and the 3rd limiting bush can coordinate with the 4th confined planes or the 5th confined planes, and the 4th
Limiting bush can coordinate with the 7th confined planes or the tenth confined planes, and the 5th limiting bush can coordinate with the 6th confined planes, from
Spring is locked to be arranged between left-hand side part, the installation side plate of right side members, connecting rod six；Described left-hand side part, right side members
The safe finger pinch device for clamping finger can be prevented by being equipped with toe board.
The mechanical extending device of this Disassembling sofa, optimizes the External Shape of a active sofa mechanical stretching device, subtracts
Lack the number of steps of part so that part connected mode, spacing design are more reasonable, the expansion of brandreth leg rest is more smooth with drawing in,
Backrest is toppled over and resetted more smooth.
The mechanical extending device of this Disassembling sofa is in expansion and reset, and running orbit is close to equal (mechanical extending device
When opening up open and close, function sofa leg and the distance of cushion turning point, leg tail end are basically unchanged), greatly reduce function husky
It is tight and draw corrugated phenomenon in and open not smooth problem that rear Soft Roll is opened in development, improves and runs smooth degree, quality controllable
Spend, use safety coefficient, service life.
In the mechanical extending device of above-mentioned Disassembling sofa, described toe board is rotated by the second rotating shaft and the bar of pin two
Connection, rotated and be connected by first rotating shaft and the bar of pin one, the bar of pin one is connected by the 4th rotating shaft with the rotation of small toe board, pass through the
Five rotating shafts are rotated with the bar of pin three and are connected, and small toe board is rotated with the bar of pin two by the 3rd rotating shaft and is connected, and the bar of pin two passes through the 6th turn
Axle is rotated with the bar of pin three to be connected, is connected by the 7th rotating shaft with the rotation of the bar of pin four, and the bar of pin three passes through eighth-turn axle and installation side plate
Connection is rotated, the bar of pin four is rotated by the 9th rotating shaft with connecting rod six to be connected, is connected, passes through with the rotation of connecting rod five by the tenth rotating shaft
22nd rotating shaft is rotated with installation side plate and is connected, and connecting rod six is rotated with rotating shaft transmission part by the 23rd rotating shaft and is connected, even
Bar five is rotated with rear STATEMENT OF FEDERALLY SPONSORED by the 20th rotating shaft and is connected, and rear STATEMENT OF FEDERALLY SPONSORED is rotated by the 32nd rotating shaft and installation side plate to be connected
Connect, be connected by the 13rd rotating shaft with the rotation of connecting rod three, connecting rod three is rotated with front supporting member by the 12nd rotating shaft and is connected, preceding branch
Support member is rotated by the 21st rotating shaft with footing to be connected, is connected by the 11st rotating shaft with the rotation of preceding STATEMENT OF FEDERALLY SPONSORED, preceding STATEMENT OF FEDERALLY SPONSORED
Rotated by the 29th rotating shaft with connecting rod four and be connected, be connected by the 20th eighth-turn axle with installation side plate rotation, connecting rod four-way
Cross the 19th rotating shaft to be connected with STATEMENT OF FEDERALLY SPONSORED rotation, STATEMENT OF FEDERALLY SPONSORED is rotated with rear support by the 14th rotating shaft and is connected, by the tenth
Eighth-turn axle is rotated with connecting rod one to be connected, is connected by the 25th rotating shaft with installation side plate rotation, and connecting rod one passes through the 16th turn
Axle is rotated with back rest and is connected, and rear support is rotated with footing by the 17th rotating shaft and is connected, and back rest passes through the 15th rotating shaft
Rotate and be connected with installation side plate, protector is fixed by the first fixing hole, the second fixing hole, the 3rd fixing hole and installation side plate to be connected
Connect.
In the mechanical extending device of above-mentioned Disassembling sofa, described switch block is by cable support, drawstring and drag-line
It is provided with the first spring mounting hole, drag-line mounting hole, cable support mounting hole, connecting rod six and sets in switch composition, installation side plate
It is equipped with second spring mounting hole, self-locking spring two ends are hung in the first snap mounting hole, on second spring mounting hole, drag-line branch
Frame is fixed in installation side plate by cable support mounting hole, and is connected by the 24th rotating shaft with installation side plate rotation, is drawn
One end of rope switchs connecting hole by a drag-line and is connected with cable support, and the other end of drawstring is opened through drag-line mounting hole with drag-line
Connection connects.
In the mechanical extending device of above-mentioned Disassembling sofa, described fixed component includes rotating square tube, bottom connection
Pipe, preceding stable pipe, rear stable pipe and torsion resistant tube, preceding stable pipe are fixedly connected on the front supporting member of left-hand side part, right side members,
Stablize pipe afterwards and be fixedly connected on left-hand side part, in the rear support of right side members, torsion resistant tube is fixedly connected on left-hand side part, right side
In the STATEMENT OF FEDERALLY SPONSORED of part, rotate square tube and be fixedly connected on the rotating shaft transmission part of left-hand side part, right side members, bottom connecting tube point
On the footing for not being fixedly connected on left-hand side part, right side members.
In the mechanical extending device of above-mentioned Disassembling sofa, described safe finger pinch device includes the bar of pin five, pin six
Bar, reinforcement torsion spring one and reinforcement torsion spring two, above-mentioned toe board is rotated by the 31st rotating shaft with the bar of pin six to be connected, described
Strengthen torsion spring one to be set in the 31st rotating shaft and be flexibly connected by the first torsion spring mounting hole, the second torsion spring mounting hole, pin
Six bars are rotated by the 30th rotating shaft and the bar of pin five and are connected, and described reinforcement torsion spring two is set in the 30th rotating shaft and by the
Three torsion spring mounting holes, the 4th torsion spring mounting hole are flexibly connected, and the bar of pin five is rotated by the 26th rotating shaft with the bar of pin one to be connected, leads to
Cross the 27th rotating shaft to be connected with the rotation of the bar of pin two, described toe board is provided with the 6th limiting bush, the bar of pin six is provided with energy
Enough the 9th confined planes coordinated with the 6th limiting bush, the bar of pin six is provided with the 7th limiting bush, and the bar of pin five is provided with can be with
The 8th confined planes that 7th limiting bush coordinates.
Compared with prior art, the present invention has advantages below：
1st, it the composite can be widely applied to single position, Double-bit, three people position, theater sofa, corner sofa design etc. is a variety of
Combination Design, makes things convenient for customers with a large amount of new products of a serial product development.
2nd, present invention may apply to manual and electronic mode, it may be directly applied to circular drag-line type, middle position drag-line type, interior
The control of the manual modes such as joystick type, external joystick type is put, useable electric moter drive control is gone back.
3rd, the safe operation performance for adding safe finger pinch device, improving user of the invention.
4th, it is also possible to apply the invention to chair lift Functional Design, due to structure optimization, the fluency of function sofa is improved
And comfort level, and improve the class of sofa.
5th, the present invention to modular construction composition, External Shape and step, rotate tie point and it is spacing redesigned,
The structure of active sofa mechanical stretching device is optimized, mechanical extending device overall operation is more smooth, user can be made more easypro
Suitable experience functions sofa, is conducive to the exploitation of sofa function, enriches the kind of function sofa, and its operation is more smooth, answer
It is convenient and practical with more extensively.
Brief description of the drawings
Fig. 1 is front schematic view of the present invention when leg rest is drawn in.
Fig. 2 is schematic diagram behind Fig. 1.
Fig. 3 is front schematic view of the present invention when leg rest is fully deployed.
Fig. 4 is schematic diagram behind Fig. 3.
Fig. 5 is front schematic view of the present invention when leg rest is fully deployed and backrest is toppled over completely.
Fig. 6 is schematic diagram behind Fig. 5.
Fig. 7 is the attachment structure figure of safe finger pinch device in the present invention.
Fig. 8 is the one visual angle attachment structure figure of safe finger pinch device in the present invention.
Fig. 9 be in the present invention safe finger pinch device secondly visual angle attachment structure figure.
View when Figure 10 is the opening operation of safe finger pinch device in the present invention.
Another view when Figure 11 is the opening operation of safe finger pinch device in the present invention.
Figure 12 is attachment structure schematic diagram of the present invention when leg rest is drawn in completely.
In figure：1- toe boards；The bar of 2- pin two；The bar of 3- pin three；STATEMENT OF FEDERALLY SPONSORED before 4-；5- connecting rods three；6- installation side plates；
STATEMENT OF FEDERALLY SPONSORED after 7-；8- protectors；9- rear supports；10- back rests；11- connecting rods one；12- footing；13- STATEMENT OF FEDERALLY SPONSOREDs；
14- connecting rods four；15- front supporting members；The small toe boards of 16-；17- self-locking springs；The bar of 18- pin one；The bar of 19- pin four；20-
Connecting rod six；21- connecting rods five；22- drag-lines are switched；23- cable supports；24- rotating shaft transmission parts；The rotating shafts of 25- the 3rd；26-
6th rotating shaft；The limiting bushs of 27- first；28- eighth-turn axles；The rotating shafts of 29- the 11st；The rotating shafts of 30- the 13rd；31- second
Limiting bush；The rotating shafts of 32- the 14th；The rotating shafts of 33- the 15th；The rotating shafts of 34- the 16th；The fixing holes of 35- second；36- the 3rd
Fixing hole；The rotating shafts of 37- the 17th；The eighth-turn axles of 38- the tenth；The rotating shafts of 39- the 19th；The rotating shafts of 40- the 20th；41- the 20th
One rotating shaft；The rotating shafts of 42- the 12nd；The rotating shafts of 43- the tenth；The rotating shafts of 44- the 9th；The rotating shafts of 45- the 7th；The rotating shafts of 46- the 5th；
The rotating shafts of 47- the 4th；The rotating shafts of 48- second；49- first rotating shafts；The rotating shafts of 50- the 23rd；The limiting bushs of 51- the 4th；52-
24th rotating shaft；The limiting bushs of 53- the 5th；The rotating shafts of 54- the 25th；55- cable support mounting holes；56- first consolidates
Determine hole；57- drag-lines switch connecting hole；The limiting bushs of 58- the 3rd；The rotating shafts of 59- the 22nd；The eighth-turn axles of 60- the 20th；
The confined planes of 61- the 3rd；The rotating shafts of 62- the 29th；The confined planes of 63- first；The confined planes of 64- second；65- second springs are pacified
Fill hole；The confined planes of 66- the 6th；67- drag-line mounting holes；The confined planes of 68- the 5th；The confined planes of 69- the 4th；70- the 7th is spacing
Face；The spring mounting holes of 71- first；The confined planes of 72- the tenth；The rotating shafts of 73- the 32nd；74- strengthens torsion spring one；75- the 3rd
11 rotating shafts；76- the first torsion spring mounting holes；77- the second torsion spring mounting holes；The bar of 78- pin six, the torsion spring mounting holes of 79- the 4th,
The bar of 80- pin five, the limiting bushs of 81- the 6th, the rotating shafts of 82- the 30th, the torsion spring mounting holes of 83- the 3rd, the 26th turn of 84-
It is stable before axle, the limiting bushs of 85- the 7th, the confined planes of 86- the 8th, the confined planes of 87- the 9th, 88- bottoms connecting tube, 89-
Pipe, 90- rotate stable pipe, the rotating shafts of 93- the 27th after square tube, 91- torsion resistant tubes, 92-；94- strengthens torsion spring two.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figs. 1 to 6, the mechanical extending device of Disassembling sofa, including left-hand side part, right side members, switch block and
Self-locking spring 17, left-hand side part is fixedly connected with right side members by fixed component, switch block be arranged on left-hand side part or
In right side members.Left-hand side part, right side members are provided with identical toe board 1, the bar 18 of pin one, the bar 2 of pin two, the bar 3 of pin three, pin
It is four bars 19, small toe board 16, installation side plate 6, connecting rod 1, preceding STATEMENT OF FEDERALLY SPONSORED 4, connecting rod 4 14, connecting rod 6 20, rear support 9, preceding
Support member 15, STATEMENT OF FEDERALLY SPONSORED 13, rear STATEMENT OF FEDERALLY SPONSORED 7, rotating shaft transmission part 24, back rest 10, footing 12, protector 8, connecting rod 35, connecting rod
5 21.Toe board 1 is rotated and is connected with the bar 18 of pin one, the bar 2 of pin two, and the bar 18 of pin one is rotated and is connected with the bar 3 of pin three, small toe board 16,
The bar 2 of pin two is rotated and is connected with small toe board 16, the bar 3 of pin three, the bar 19 of pin four, and the bar 19 of pin three is rotated with installation side plate 6 and is connected, pin four
Bar 19 is rotated and is connected with connecting rod 6 20, connecting rod 5 21, installation side plate 6, and connecting rod 6 20 is rotated with rotating shaft transmission part 24 and is connected, and is installed
Side plate 6 is rotated and is connected with the bar 19 of pin four, the bar 3 of pin three, rear STATEMENT OF FEDERALLY SPONSORED 7, back rest 10, preceding STATEMENT OF FEDERALLY SPONSORED 4, preceding STATEMENT OF FEDERALLY SPONSORED 4 and connecting rod
4 14, front supporting member 15 rotates connection, and front supporting member 15 is rotated and is connected with connecting rod 35, footing 12, rear STATEMENT OF FEDERALLY SPONSORED 7 and connecting rod three
5th, installation side plate 6, connecting rod 5 21 rotate connection, STATEMENT OF FEDERALLY SPONSORED 13 and connecting rod 4 14, rear support 9, connecting rod 1, installation side plate 6
Connection is rotated, connecting rod 1 is rotated with back rest 10 and is connected, and protector 8 is fixedly connected with installation side plate 6.
It is spacing that left-hand side part, right side members are provided with identical the first limiting bush 27, the second limiting bush the 31, the 3rd
Bushing 58, the 4th limiting bush 51, the 5th limiting bush 53 and self-locking spring 17, the first limiting bush 27 are arranged on the bar 3 of pin three
On, the second limiting bush 31, the 5th limiting bush 53 are arranged in STATEMENT OF FEDERALLY SPONSORED 13, and the 3rd limiting bush 58 is arranged on preceding STATEMENT OF FEDERALLY SPONSORED
On 4, the 4th limiting bush 51 is arranged on rotating shaft transmission part 24, and the first confined planes 63, the second confined planes are provided with the bar 3 of pin three
64, be provided with the 3rd confined planes 61, installation side plate 6 in rear support 9 be provided with the 4th confined planes 69, the 5th confined planes 68,
It is provided with 6th confined planes 66, connecting rod 6 20 on the 7th confined planes 70, rotating shaft transmission part 24 and is provided with the tenth confined planes 72, the
One limiting bush 27 can be with the first confined planes 63 or the tangent cooperation of the second confined planes 64, and the second limiting bush 31 can be with the 3rd
Confined planes 61 are tangent to be coordinated, and the 3rd limiting bush 58 can be with the 4th confined planes 69 or the tangent cooperation of the 5th confined planes 68, the 4th
Limiting bush 51 can be limited with the 7th confined planes 70 or the tangent cooperation of the tenth confined planes 72, the 5th limiting bush 53 with the 6th
Plane 66 is tangent to be coordinated, and self-locking spring 17 is arranged between left-hand side part, the installation side plate of right side members 6, connecting rod 6 20.
Toe board 1 is rotated by the second rotating shaft 48 with the bar 2 of pin two to be connected, rotates company by first rotating shaft 49 and the bar 18 of pin one
Connect, the bar 18 of pin one is rotated by the 4th rotating shaft 47 with small toe board 16 to be connected, rotates company by the 5th rotating shaft 46 and the bar 3 of pin three
Connect, small toe board 16 is rotated with the bar 2 of pin two by the 3rd rotating shaft 25 and is connected, the bar 2 of pin two passes through 3 turns of the 6th rotating shaft 26 and three bar of pin
Dynamic to connect, be connected by the 7th rotating shaft 45 with the rotation of the bar 19 of pin four, the bar 3 of pin three is rotated by eighth-turn axle 28 with installation side plate 6
Connection, the bar 19 of pin four is rotated by the 9th rotating shaft 44 with connecting rod 6 20 to be connected, rotates company by the tenth rotating shaft 43 and connecting rod 5 21
Connect, be connected by the 22nd rotating shaft 59 with the rotation of installation side plate 6, connecting rod 6 20 passes through the 23rd rotating shaft 50 and rotating shaft transmission
Part 24 rotates connection, and connecting rod 5 21 is rotated with rear STATEMENT OF FEDERALLY SPONSORED 7 by the 20th rotating shaft 40 and is connected, and rear STATEMENT OF FEDERALLY SPONSORED 7 passes through the 30th
Two rotating shafts 73 are rotated with installation side plate 6 to be connected, is connected by the 13rd rotating shaft 30 with the rotation of connecting rod 35, and connecting rod 35 passes through the tenth
Two rotating shafts 42 are rotated with front supporting member 15 and are connected, and front supporting member 15 is rotated by the 21st rotating shaft 41 with footing 12 to be connected, leads to
Cross the 11st rotating shaft 29 to be connected with the rotation of preceding STATEMENT OF FEDERALLY SPONSORED 4, preceding STATEMENT OF FEDERALLY SPONSORED 4 passes through the 29th rotating shaft 62 and rotates company with connecting rod 4 14
Connect, be connected by the 20th eighth-turn axle 60 with the rotation of installation side plate 6, connecting rod 4 14 passes through 13 turns of the 19th rotating shaft 39 and STATEMENT OF FEDERALLY SPONSORED
Dynamic connection, STATEMENT OF FEDERALLY SPONSORED 13 is rotated by the 14th rotating shaft 32 with rear support 9 to be connected, by the tenth eighth-turn axle 38 and connecting rod 1
Rotate connection, be connected by the 25th rotating shaft 54 with the rotation of installation side plate 6, connecting rod 1 passes through the 16th rotating shaft 34 and backrest
Part 10 rotates connection, and rear support 9 is rotated with footing 12 by the 17th rotating shaft 37 and is connected, and back rest 10 passes through the 15th rotating shaft
33 are connected with the rotation of installation side plate 6, and protector 8 passes through the first fixing hole 56, the second fixing hole 35, the 3rd fixing hole 36 with installing
Side plate 6 is fixedly connected.
As shown in Fig. 2 switch block is made up of cable support 23, drawstring and drag-line switch 22, it is provided with installation side plate 6
Second spring mounting hole is provided with first spring mounting hole 71, drag-line mounting hole 67, cable support mounting hole 55, connecting rod 6 20
65, the two ends of self-locking spring 17 are hung in the first spring mounting hole 71, on second spring mounting hole 65, and cable support 23, which passes through, to be drawn
Rope rack mounting apertures 55 are fixed in installation side plate 6, and are connected by the 24th rotating shaft 52 with the rotation of installation side plate 6, drawstring
One end connecting hole 57 switched by drag-line be connected with cable support 23, the other end of drawstring is through drag-line mounting hole 67 and drag-line
Switch 22 is connected.When between the 9th rotating shaft 44, the 23rd rotating shaft 50, the 4th limiting bush 51 angle α for 0 degree when (such as Fig. 2 institutes
Show), i.e. the distance between the 9th rotating shaft 44, the 23rd rotating shaft 50 is farthest, and flex point is produced herein；When connecting rod 6 20 is up swung to
When 7th confined planes 70 are in contact with the 4th limiting bush 51, active sofa mechanical stretching device is in locking state, meanwhile, from
Lock spring 17 and produce a pulling force F1 (as shown in Figure 2), active sofa mechanical stretching device is played a part of self-locking.
As shown in Fig. 7~11, the peace that can prevent clamping finger is equipped with left-hand side part, the toe board 1 of right side members
Full finger pinch device, the safe finger pinch device includes the bar 80 of pin five, the bar 78 of pin six, strengthens torsion spring 1 and strengthens torsion spring two
94, above-mentioned toe board 1 is rotated with the bar 78 of pin six by the 31st rotating shaft 75 and is connected, and described reinforcement torsion spring 1 is located at the
It is flexibly connected in 31 rotating shafts 75 and by the first torsion spring mounting hole 76, the second torsion spring mounting hole 77, the bar 78 of pin six passes through
30 rotating shafts 82 are rotated with the bar 80 of pin five and are connected, and described reinforcement torsion spring 2 94 is located in the 30th rotating shaft 82 and by the 3rd torsion
Spring mounting hole 83, the 4th torsion spring mounting hole 79 are flexibly connected, and the bar 80 of pin five is rotated by the 26th rotating shaft 84 with the bar of pin one to be connected
Connect, be connected by the 27th rotating shaft 93 with the rotation of the bar 2 of pin two.Toe board 1 is provided with the 6th limiting bush 81, the bar 78 of pin six
Provided with the 9th confined planes 87 that can coordinate with the 6th limiting bush 81, the bar 78 of pin six is provided with the 7th limiting bush 85, pin five
Bar 80 is provided with the 8th confined planes 86 that can coordinate with the 7th limiting bush 85.
As shown in figure 12, fixed component includes rotating square tube 90, bottom connecting tube 88, preceding stable pipe 89, rear stable pipe 92
With torsion resistant tube 91, preceding stable pipe 89 is fixedly connected on the front supporting member 15 of left-hand side part, right side members, and rear stable pipe 92 is fixed
It is connected to left-hand side part, in the rear support of right side members 9, torsion resistant tube 91 is fixedly connected on the connection of left-hand side part, right side members
On moving part 13, rotate square tube 90 and be fixedly connected on the rotating shaft transmission part 24 of left-hand side part, right side members, 88 points of bottom connecting tube
On the footing 12 for not being fixedly connected on left-hand side part, right side members, these pipe fittings in fixed component are generally consolidated using bolt
Fixed connection.
Thus the Multifunctional mechanical extending device of movable sofa of complete set is constituted.
Fig. 2~Fig. 3 is that active sofa mechanical stretching device is drawn in the process being fully deployed from leg rest, light by user
It is light to stir drag-line switch 22, cable support 23 is driven by the drawstring being connected on drag-line switch 22, cable support 23 produces one
Individual downward power F2 (as shown in Figure 2) pushes rotating shaft transmission part 24 aside, and rotating shaft transmission part 24 passes through the 23rd rotating shaft 50 and connecting rod
6 20 rotate connection, connecting rod 6 20 by the 9th rotating shaft 44 and the bar 19 of pin four rotation be connected, the bar 19 of pin four by the 7th rotating shaft 45,
Tenth rotating shaft 43, the 22nd rotating shaft 59 are rotated and are connected with the bar 2 of pin two, connecting rod 5 21, installation side plate 6, and the bar 2 of pin two passes through the 6th
Rotating shaft 26, the 3rd rotating shaft 25, the second rotating shaft 48 are rotated and are connected with the bar 3 of pin three, small toe board 16, toe board 1, and the bar 18 of pin one passes through
First rotating shaft 49, the 4th rotating shaft 47, the 5th rotating shaft 46 are rotated and are connected with toe board 1, small toe board 16, the bar 3 of pin three, installation side plate
6 pass through eighth-turn axle 28, the 15th rotating shaft 33, the 25th rotating shaft 54, the 22nd rotating shaft 59, the 32nd rotating shaft 73,
20 eighth-turn axles 60 are rotated and are connected with the bar 3 of pin three, the bar 19 of pin four, back rest 10, rear STATEMENT OF FEDERALLY SPONSORED 7, preceding STATEMENT OF FEDERALLY SPONSORED 4, and guard member 8 is led to
Cross the first fixing hole 56, the second fixing hole 35, the 3rd fixing hole 36 to be fixedly connected with installation side plate 6, rear STATEMENT OF FEDERALLY SPONSORED 7 passes through the tenth
Three rotating shafts 30, the 20th rotating shaft 40 and connecting rod 35, connecting rod 5 21 are rotated and are connected, and front supporting member 15 passes through the 12nd rotating shaft 42, the
11 rotating shafts 29, the 21st rotating shaft 41 are rotated and are connected with preceding STATEMENT OF FEDERALLY SPONSORED 4, connecting rod 35, footing 12, and STATEMENT OF FEDERALLY SPONSORED 13 passes through the tenth
Nine rotating shafts 39, the tenth eighth-turn axle 38, the 14th rotating shaft 32, the 25th rotating shaft 54 and rear support 9, connecting rod 1, installation side
Plate 6, connecting rod 4 14 rotate connection, and connecting rod 4 14 is rotated with preceding STATEMENT OF FEDERALLY SPONSORED 4 by the 29th rotating shaft 62 and is connected, and connecting rod 1 leads to
Cross the 16th rotating shaft 34 to be connected with the rotation of back rest 10, rear support 9 is rotated with footing 12 by the 17th rotating shaft 37 and is connected.
When leg is in rounding state, the tenth of the 4th limiting bush 51 on rotating shaft transmission part 24 and connecting rod 6 20 is spacing
Face 72 has been in contact locking position-limiting action, the 5th limiting bush 53, the second limiting bush 31 in STATEMENT OF FEDERALLY SPONSORED 13 respectively with rear branch
The 6th confined planes 66 on the 3rd confined planes 61, installation side plate 6 in support member 9 are in contact, the first limiting bush on the bar 3 of pin three
27 are in contact with the second confined planes 64 on the bar 2 of pin two, on the 3rd limiting bush 58 and installation side plate 6 in preceding STATEMENT OF FEDERALLY SPONSORED 4
4th confined planes 69 are in contact, and (pull cable support 23 to produce it is often the case that switching 22 by drag-line when there is a driving force
Directed force F 2 (as shown in Figure 2)) when acting on rotating shaft transmission part 24, rotating shaft transmission part 24 is rotated around square tube 90 is rotated,
Therefore rotating shaft transmission part 24 passes to connecting rod 6 20 further through the 23rd rotating shaft 50 and produces a motion forward, and connecting rod six
20 make the bar 19 of pin four be produced relative rotation around the 22nd rotating shaft 59 further through the 9th rotating shaft 44, and the bar 19 of pin four is further through the 7th
Rotating shaft 45 drives the bar 2 of pin two to move, and the bar of pin two makes the bar 3 of pin three produce relative turn around eighth-turn axle 28 by the 6th rotating shaft 26
Dynamic, the bar 3 of pin three drives the bar 18 of pin one to move by the 5th rotating shaft 46, and the bar 18 of pin one, the bar 2 of pin two pass through the second rotating shaft 48, first
Rotating shaft 49 drives toe board 1 to produce relative rotation, drives small toe board 16 to produce phase further through the 3rd rotating shaft 25, the 4th rotating shaft 47
To rotating, therefore whole movable leg leg rest is set to produce a stretching routine, when the first limiting bush 27 and pin on the bar 3 of pin three
The first confined planes 63 on two bars 2 are in contact, and produce a position-limiting action, and active leg rest reaches the fully extended state.
During active leg rest stretches, the bar 19 of pin four is travelled forward by the drivening rod 5 21 of the tenth rotating shaft 43, even
Bar 5 21 makes rear STATEMENT OF FEDERALLY SPONSORED 7 be rotated around the 32nd rotating shaft 73 further through the 20th rotating shaft 40, and rear STATEMENT OF FEDERALLY SPONSORED 7 passes through the 13rd
The drivening rod 35 of rotating shaft 30 travels forward, and rear STATEMENT OF FEDERALLY SPONSORED 7 makes front supporting member 15 surround the 21st turn by the 12nd rotating shaft 42
Axle 41 is rotated, and STATEMENT OF FEDERALLY SPONSORED 4 travels forward before front supporting member 15 is driven by the 11st rotating shaft 29, and preceding STATEMENT OF FEDERALLY SPONSORED 4 surrounds the 20th
Eighth-turn axle 60 is rotated, and is travelled forward further through the drivening rod 4 14 of the 29th rotating shaft 62, connecting rod 4 14 is further through the 19th turn
Axle 39 drives STATEMENT OF FEDERALLY SPONSORED 13 to be rotated around the 25th rotating shaft 54, and STATEMENT OF FEDERALLY SPONSORED 13 passes through the 14th rotating shaft 32, the tenth eighth-turn axle 38
Rear support 9, connecting rod 1 is driven to travel forward.During this, back rest 10, connecting rod 1, footing 12, front supporting member 15 it
Between the 16th rotating shaft 34, the 15th rotating shaft 33, the tenth eighth-turn axle 38, the 19th rotating shaft 39, the 12nd rotating shaft 42, the 13rd turn
Axle 30 is not produced relative rotation, therefore rear support 9, STATEMENT OF FEDERALLY SPONSORED 13, preceding STATEMENT OF FEDERALLY SPONSORED 7, rear STATEMENT OF FEDERALLY SPONSORED 7 are stretched in movable leg leg rest
It is an entirety during exhibition.
Fig. 4~Fig. 5 is that active sofa mechanical stretching device is fully extended to the process that backrest is toppled over completely from leg rest, when
Apply the power F3 (as shown in figure 5, under normal circumstances i.e. by the gravity of user itself) in a such as figure direction in back rest 10,
Back rest 10 is rotated around the 15th rotating shaft 33 makes connecting rod 1 drive STATEMENT OF FEDERALLY SPONSORED 13 to surround the 20th by the tenth eighth-turn axle 38
Five rotating shafts 54 are rotated, and drive rear support 9 to travel forward further through the 14th rotating shaft 32, STATEMENT OF FEDERALLY SPONSORED 13 passes through the 19th rotating shaft 39
STATEMENT OF FEDERALLY SPONSORED 4 is rotated around the 20th eighth-turn axle 60 before drivening rod 4 14 is pulled, band of the preceding STATEMENT OF FEDERALLY SPONSORED 4 in the 29th rotating shaft 62
Dynamic lower the 11st rotating shaft 29 drive front supporting member 15 that passes through travels forward around the 21st rotating shaft 41, and connecting rod 35 passes through the tenth
Two rotating shafts 42 and rear STATEMENT OF FEDERALLY SPONSORED 7 are rotated and are connected, during this, and the rotating shaft between leg part, installation side plate 6, rear STATEMENT OF FEDERALLY SPONSORED 7 is not
Produce relative motion.The 3rd limiting bush 58 in current STATEMENT OF FEDERALLY SPONSORED 4 is in contact with the 5th confined planes 68 in installation side plate 6
When, a position-limiting action is produced, backrest is in the state toppled over completely.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used above-mentioned term herein, the possibility using other terms is not precluded from.Use these
Term is used for the purpose of more easily describing and explaining the essence of the present invention；It is construed as any additional limitation all
Disagreed with spirit of the present invention.
Claims (5)
1. the mechanical extending device of Disassembling sofa, including left-hand side part, right side members, switch block and self-locking spring, left side
Part is fixedly connected with right side members by fixed component, and switch block is arranged in left-hand side part or right side members, its feature
It is, the left-hand side part, right side members are provided with identical toe board, the bar of pin one, the bar of pin two, the bar of pin three, the bar of pin four, small
Toe board, installation side plate, connecting rod one, preceding STATEMENT OF FEDERALLY SPONSORED, connecting rod four, connecting rod six, rear support, front supporting member, STATEMENT OF FEDERALLY SPONSORED, rear linkage
Part, rotating shaft transmission part, back rest, footing, protector, connecting rod three, connecting rod five；Toe board is rotated and is connected with the bar of pin one, the bar of pin two,
The bar of pin one is rotated and is connected with the bar of pin three, small toe board, and the bar of pin two is rotated and is connected with small toe board, the bar of pin three, the bar of pin four, the bar of pin three
Rotate and be connected with installation side plate, the bar of pin four is rotated and is connected with connecting rod six, connecting rod five, installation side plate, connecting rod six and rotating shaft transmission part
Rotate connection, installation side plate and the bar of pin four, the bar of pin three, rear STATEMENT OF FEDERALLY SPONSORED, back rest, preceding STATEMENT OF FEDERALLY SPONSORED are rotated and be connected, preceding STATEMENT OF FEDERALLY SPONSORED and
Connecting rod four, front supporting member rotate connection, and front supporting member is rotated and is connected with connecting rod three, footing, rear STATEMENT OF FEDERALLY SPONSORED and connecting rod three, installation side
Plate, connecting rod five rotate connection, and STATEMENT OF FEDERALLY SPONSORED is rotated and is connected with connecting rod four, rear support, connecting rod one, installation side plate, and connecting rod one is with leaning on
Back piece rotates connection, and protector is fixedly connected with installation side plate；The left-hand side part, right side members are provided with identical first
Limiting bush, the second limiting bush, the 3rd limiting bush, the 4th limiting bush, the 5th limiting bush and self-locking spring, the first limit
Position bushing is arranged on the bar of pin three, and the second limiting bush, the 5th limiting bush are arranged in STATEMENT OF FEDERALLY SPONSORED, and the 3rd limiting bush is installed
In preceding STATEMENT OF FEDERALLY SPONSORED, the 4th limiting bush is arranged on rotating shaft transmission part, the first confined planes is provided with the bar of pin three, second spacing
Be provided with face, rear support in the 3rd confined planes, installation side plate and be provided with the 4th confined planes, it is the 5th confined planes, the 6th spacing
It is provided with face, connecting rod six on the 7th confined planes, rotating shaft transmission part and is provided with the tenth confined planes, the first limiting bush can be with
One confined planes or the second confined planes coordinate, and the second limiting bush can coordinate with the 3rd confined planes, and the 3rd limiting bush can be with
4th confined planes or the 5th confined planes coordinate, and the 4th limiting bush can coordinate with the 7th confined planes or the tenth confined planes, and the 5th
Limiting bush can coordinate with the 6th confined planes, and self-locking spring is arranged on left-hand side part, the installation side plate of right side members, connecting rod six
Between, the safe finger pinch device for clamping finger can be prevented by being equipped with described left-hand side part, the toe board of right side members.
2. the mechanical extending device of Disassembling sofa according to claim 1, it is characterised in that the toe board passes through second
Rotating shaft is rotated with the bar of pin two to be connected, is connected by first rotating shaft with the rotation of the bar of pin one, and the bar of pin one passes through the 4th rotating shaft and small leg rest
Plate rotates connection, is connected by the 5th rotating shaft with the rotation of the bar of pin three, and small toe board is rotated with the bar of pin two by the 3rd rotating shaft and is connected,
The bar of pin two is rotated by the 6th rotating shaft and the bar of pin three be connected, is connected by the 7th rotating shaft with the rotation of the bar of pin four, and the bar of pin three passes through the
Eighth-turn axle is rotated with installation side plate and is connected, and the bar of pin four is rotated with connecting rod six by the 9th rotating shaft and is connected, by the tenth rotating shaft and company
Bar five rotates connection, is connected by the 22nd rotating shaft with installation side plate rotation, and connecting rod six passes through the 23rd rotating shaft and rotating shaft
Driving member rotates connection, and connecting rod five is rotated with rear STATEMENT OF FEDERALLY SPONSORED by the 20th rotating shaft and is connected, and rear STATEMENT OF FEDERALLY SPONSORED passes through the 32nd turn
Axle is rotated with installation side plate to be connected, is connected by the 13rd rotating shaft with the rotation of connecting rod three, and connecting rod three is by the 12nd rotating shaft with before
Support member rotates connection, and front supporting member is rotated with footing by the 21st rotating shaft and is connected, by the 11st rotating shaft and preceding linkage
Part rotates connection, and preceding STATEMENT OF FEDERALLY SPONSORED is rotated with connecting rod four by the 29th rotating shaft and is connected, by the 20th eighth-turn axle and installation side
Plate rotates connection, and connecting rod four is rotated with STATEMENT OF FEDERALLY SPONSORED by the 19th rotating shaft and is connected, and STATEMENT OF FEDERALLY SPONSORED passes through the 14th rotating shaft and rear support
Part rotates connection, is connected by the tenth eighth-turn axle with the rotation of connecting rod one, is connected by the 25th rotating shaft with installation side plate rotation,
Connecting rod one is rotated with back rest by the 16th rotating shaft and is connected, and rear support is rotated with footing by the 17th rotating shaft and is connected, and is leaned on
Back piece is rotated with installation side plate by the 15th rotating shaft and is connected, and protector is fixed by the first fixing hole, the second fixing hole, the 3rd
Hole is fixedly connected with installation side plate.
3. the mechanical extending device of Disassembling sofa according to claim 1 or 2, it is characterised in that the switch block by
The first spring mounting hole, drag-line mounting hole, drag-line branch are provided with cable support, drawstring and drag-line switch composition, installation side plate
Second spring mounting hole is provided with frame mounting hole, connecting rod six, self-locking spring two ends are hung in the first snap mounting hole, second
On spring mounting hole, cable support is fixed in installation side plate by cable support mounting hole, and by the 24th rotating shaft with
Installation side plate rotates connection, and one end of drawstring switchs connecting hole by a drag-line and is connected with cable support, and the other end of drawstring is worn
Drag-line mounting hole is crossed to be connected with drag-line switch.
4. the mechanical extending device of Disassembling sofa according to claim 1 or 2, it is characterised in that the fixed component bag
Rotation square tube, bottom connecting tube, preceding stable pipe, rear stable pipe and torsion resistant tube are included, preceding stable pipe is fixedly connected on left-hand side part, the right side
On the front supporting member of sidepiece part, rear stable pipe is fixedly connected on left-hand side part, in the rear support of right side members, and torsion resistant tube is fixed
It is connected to left-hand side part, in the STATEMENT OF FEDERALLY SPONSORED of right side members, rotates that square tube is fixedly connected on left-hand side part, the rotating shaft of right side members is passed
On moving part, bottom connecting tube is respectively fixedly connected with left-hand side part, the footing of right side members.
5. the mechanical extending device of Disassembling sofa according to claim 1 or 2, it is characterised in that described safe anti-pinch
Arm device includes the bar of pin five, the bar of pin six, strengthens torsion spring one and strengthens torsion spring two, above-mentioned toe board by the 31st rotating shaft with
The bar of pin six rotates connection, and described reinforcement torsion spring one is set in the 31st rotating shaft and by the first torsion spring mounting hole, second
Torsion spring mounting hole is flexibly connected, and the bar of pin six is rotated with the bar of pin five by the 30th rotating shaft and is connected, and described reinforcement torsion spring two is arranged
It is flexibly connected in the 30th rotating shaft and by the 3rd torsion spring mounting hole, the 4th torsion spring mounting hole, the bar of pin five passes through the 26th
Rotating shaft is rotated with the bar of pin one to be connected, is connected by the 27th rotating shaft with the rotation of the bar of pin two, and described toe board is provided with the 6th
Limiting bush, the bar of pin six is provided with the 9th confined planes that can coordinate with the 6th limiting bush, and it is spacing that the bar of pin six is provided with the 7th
Bushing, the bar of pin five is provided with the 8th confined planes that can coordinate with the 7th limiting bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290204.7A CN107028405A (en) | 2017-04-28 | 2017-04-28 | The mechanical extending device of Disassembling sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290204.7A CN107028405A (en) | 2017-04-28 | 2017-04-28 | The mechanical extending device of Disassembling sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107028405A true CN107028405A (en) | 2017-08-11 |
Family
ID=59536822
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710290204.7A Pending CN107028405A (en) | 2017-04-28 | 2017-04-28 | The mechanical extending device of Disassembling sofa |
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| Country | Link |
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| CN (1) | CN107028405A (en) |
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| CN110292272A (en) * | 2019-05-30 | 2019-10-01 | 中源家居股份有限公司 | A kind of mechanical extending device of Disassembling sofa |
| CN110584380A (en) * | 2019-10-11 | 2019-12-20 | 中源家居股份有限公司 | Modular sofa iron frame, production method and production line |
| CN111265048A (en) * | 2019-07-15 | 2020-06-12 | 锐迈机械科技（吴江）有限公司 | Sofa iron frame structure, sofa and sofa production method |
| WO2020168832A1 (en) * | 2019-02-18 | 2020-08-27 | 浙江飞力科技股份有限公司 | Manual sofa stretching device with improved structure |
| CN114711575A (en) * | 2020-12-22 | 2022-07-08 | 浙江飞力科技股份有限公司 | Electric sofa stretching device |
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| CN111265048B (en) * | 2019-07-15 | 2023-04-07 | 锐迈机械科技（吴江）有限公司 | Sofa iron frame structure, sofa and sofa production method |
| CN110584380A (en) * | 2019-10-11 | 2019-12-20 | 中源家居股份有限公司 | Modular sofa iron frame, production method and production line |
| CN114711575A (en) * | 2020-12-22 | 2022-07-08 | 浙江飞力科技股份有限公司 | Electric sofa stretching device |
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Application publication date: 20170811 |