CN203789486U - Sofa stretching device - Google Patents
Sofa stretching device Download PDFInfo
- Publication number
- CN203789486U CN203789486U CN201420054776.7U CN201420054776U CN203789486U CN 203789486 U CN203789486 U CN 203789486U CN 201420054776 U CN201420054776 U CN 201420054776U CN 203789486 U CN203789486 U CN 203789486U
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- Prior art keywords
- base
- support portion
- back rest
- rest supports
- hinged
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- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 31
- 210000002414 leg Anatomy 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
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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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
- A47C1/0355—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest actuated by linkages, e.g. lazy-tongs mechanisms
Abstract
The utility model relates to a sofa stretching device, and belongs to the technical field of sofa manufacturing. The sofa stretching device comprises a stretching support body and a base for supporting the stretching support body, wherein the stretching support body is movably connected with the base by linkage rods; the stretching support body comprises a leg part support part, a cushion support part and a backrest support unit; the cushion support part is respectively hinged with the leg part support part and the backrest support unit; the linkage rods comprise movable linkage rods, rotary linkage rods and a stretching power mechanism; the movable linkage rods are hinged between the base and the cushion support part; the rotary linkage rods are hinged between the base and the backrest support unit; the stretching power mechanism is hinged between the base and the leg part support part. By adopting the scheme, the whole stretching device is simple in structure, is even fit with a human body physiological curve in stretching so as to enable people to feel comfortable, can enable the backrest support part to move front and back, can enable the backrest support part to rotate, and can also enable the backrest support part to move forward when people lie down.
Description
technical field:
the utility model belongs to sofa manufacturing technology field, particularly a kind of sofa retractor device.
background technology:
in existing telescope support technology, the complex structure of chair frame, and the shape of each connecting rod is special, is unfavorable for die sinking, causes production cost larger, and also a lot of connecting rods can cause the total quality of whole chair frame very heavy, is unfavorable for carrying and transport.
and open day be that the publication number on March 28th, 2012 is to disclose movably thing to sit on of a kind of backrest in the open file of CN 102395296A, this thing to sit on is in order to allow people be sitting on thing to sit on correct posture, make the chair back can support all the time user's back portion, comprise the lower frame being connected on supporter; Produce part as medium taking upper and lower displacement, the upper frame being connected with described lower frame; Be located between described lower frame and upper frame one elastic component more than people; Be located at the left and right sides edge of upper frame, and be connected with back frame, thus moving member that can be mobile to front-rear direction; When applying when load in the seat portion that is combined in upper frame, due to the displacement occurring that declines of described upper frame, on part, change rectilinear motion into moving forward and backward, and the power generating part that described seat back frame is moved forward; When apply when load in seat portion, become the half-lock state of partly locking that back frame can only move towards front, in the time being applied to the load of seat portion and disappearing, become the switch portion of the released state unlock that seat back frame can be mobile towards the rear.This Chair structure complexity, cost is too high, inconvenience maintenance after damaging.And this chair can only make backrest move forward and backward to be close to the back of the people on seat, can not need backrest to produce how many large support forces to back for everyone its angle of inclination is regulated.
in the technical field of existing backrest manufacture and design, leisure chaise longue just puts down backrest in back rest recline, do not realize the displacement forward of one, backrest, therefore can cause the clothes on the person to move backward relative to human body along with backrest, make people in lying down not only people have chopping sense, and clothes is in tightly hanging backward shape, very uncomfortable.Prior art also can produce a gap sweptback time between cushion portion and back-rest, and this gap can cause some things to fall into, and makes people very inconvenient.
utility model content:
the purpose of this utility model is to provide a kind of simple in structure, the sofa retractor device that can make back rest supports unit move forward in lying down.And can also make back rest supports portion to move forward and backward, and can make back rest supports portion rotate,
above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of sofa retractor device, comprise the base of telescope support body and the described telescope support body of support, described telescope support body is flexibly connected by coupling bar with described base, described telescope support body comprises thigh support portion, cushions support portion and back rest supports unit, described cushions support portion respectively with described thigh support portion, described back rest supports unit is hinged, described coupling bar comprises the bar that is actively coupled being articulated with between described base and described cushions support portion, be articulated with the rotation coupling bar between described base and described back rest supports unit, be articulated with the flexible actuating unit between described base and described thigh support portion, described in described flexible actuating unit control, thigh support portion is flexible, drives the lifting of described cushions support portion by described thigh support portion flexible, and drives inclining of described back rest supports unit to bow by the lifting of described cushions support portion.
as preferably, the hinged backrest connector that arranges between described cushions support portion and described back rest supports unit, described backrest connector comprise be hinged in described cushions support portion and near being provided with the drawing pull bar at place of described thigh support portion, be hinged on middle part by described drawing pull bar and and described base is hinged and the tie-strut hinged with described back rest supports unit.
as preferably, described back rest supports unit comprises back rest supports portion and traction fixed part; Described back rest supports portion comprises and is fixed on backrest fixed base, the back rest supports base portion of described traction fixed part end and is connected described backrest fixed base and described back rest supports base portion and the backrest connecting portion that can make described back rest supports base portion move forward and backward and rotate with respect to described backrest fixed base; Described traction fixed part middle part is by the hinged described base of described rotation coupling bar, and the other end is hinged in described cushions support portion.
as preferably, described backrest connector connects described back rest supports unit; Described back rest supports unit comprises back rest supports portion and traction fixed part; Described back rest supports portion comprises and is fixed on backrest fixed base, the back rest supports base portion of described traction fixed part end and is connected described backrest fixed base and described back rest supports base portion and the backrest connecting portion that can make described back rest supports base portion move forward and backward and rotate with respect to described backrest fixed base; Described traction fixed part middle part is by the hinged described base of described rotation coupling bar, and the other end is hinged on described tie-strut.
as preferably, described backrest connecting portion comprises determined power bar and moving power rail, between described moving power rail and described back rest supports base portion, is provided with adjustment sheet.
as preferably, described determined power bar and described moving power rail run through described backrest fixed base, and adjustment structure are set running through end; On described determined power bar in described backrest fixed base and described moving power rail, be provided with the locating part that prevents that described determined power bar and described moving power rail from moving forward and backward, in described backrest fixed base, offer the spacing draw-in groove that coordinates described locating part.
as preferably, described thigh support portion comprises respectively first connecting rod and the second connecting rod hinged with described cushions support portion, described first connecting rod is articulated with a top of described cushions support portion, described first connecting rod is articulated with top and the 4th connecting rod of third connecting rod, and described second connecting rod is articulated with a top of described the 4th connecting rod; Described third connecting rod and described the 4th connecting rod are at its another one top articulated leg supporting base separately; Described first connecting rod connection cross bar, arranges rotating base on described cross bar and described flexible actuating unit is hinged.
as preferably, in described cushions support portion, be provided with fastener and limit the limit punctured position of described thigh support portion.
as preferably, between described cushions support portion and described base, be also provided with the reset components that makes described cushions support portion there is a fast-descending trend.
in sum, the retractor device that the utility model provides, back rest supports portion is provided with and can makes back rest supports portion to move forward and backward, and can rotate around determined power bar, this back rest supports portion can well meet the size of people for the support force of backrest place needs, and can meet various people for back needs near sense.As long as regulate the adjustment structure in backrest fixed base, just can regulate the rotation of back rest supports portion and move forward and backward, make the easy to adjust of whole backrest expansion device.
tensioning member can make back rest supports portion move down forward in being driven by cushions support portion simultaneously, can make clothes on the person can, along with backrest moves and dress state in tightly playing, can well not contact with people, and not employment is clothing organization again.And well solved the gap producing between cushions support portion and back rest supports portion, prevent that some things from falling into.
retractor device is with regard to a motion cycle, and connecting rod just only has one group, want than having omitted at least one group of connecting rod with prior art, and connecting rod in this retractor device is substantially in vertical bar shape, when production, drive grinding tool fairly simple, above-mentioned two reasons reduce production cost greatly.In motion, flexible actuating unit first boosts thigh support unit, in the time that thigh support unit is stretched over the limit, boosting supporting unit of seat cushion rises, in the process rising, back rest supports unit moves forward and drives back rest supports unit to tilt, whole motion process has protected the head and the waist that are sitting in the people on chair slowly to be held up respectively, and waist can make waist in extended configuration in being held up, only shank is held up than existing chair, with backrest leans back, do not consider the problem of unfolding of waist, so this retractor device can effectively be realized unfolding of waist, be conducive to solve existing potbelly problem socially.The link position of four connecting rods is arranged and can effectively thigh support unit be boosted and be regained as this retractor device connects.The arranging of locating part can be limited the position of reclaiming thigh support unit and be stretched over the position of the limit, can effectively coordinate shank lines, and starts to hold up supporting unit of seat cushion reaching in suitable.Be for horse back is to the lead of telescope support body in full extension state at this retractor device medi-spring, ensure the recovery of whole telescope support body.Draw backrest without spring, and connecting rod and reinforced pole the structural strength that can ensure whole extending apparatus is set.
brief description of the drawings:
fig. 1 is the overall structure schematic diagram of the utility model embodiment mono-;
fig. 2 is the schematic diagram after the thigh support portion of the utility model embodiment mono-stretches;
fig. 3 be the thigh support portion of the utility model embodiment mono-stretch and back rest supports unit stretching, extension after schematic diagram;
fig. 4 is the overall structure schematic diagram of the utility model embodiment bis-;
fig. 5 is the schematic diagram after the thigh support portion of the utility model embodiment bis-stretches;
fig. 6 be the thigh support portion of the utility model embodiment bis-stretch and back rest supports unit stretching, extension after schematic diagram;
fig. 7 is the overall schematic of back rest supports portion in embodiment tri-;
fig. 8 is the overall schematic of analysing and observe of back rest supports portion in embodiment tri-;
fig. 9 is overall structure schematic diagram in embodiment tetra-;
at Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, in Fig. 8 and Fig. 9, 1-telescope support body, 11-coupling bar, 2-base, 21-reset components, 3-thigh support portion, 31-first connecting rod, 32-second connecting rod, 33-third connecting rod, 34-the 4th connecting rod, 35-thigh support pedestal, 36-cross bar, 37-rotating base, 4-cushions support portion, 41-is actively coupled bar, 42-rotates coupling bar, 5-back rest supports portion, 51-backrest fixed base, the spacing draw-in groove of 511-, 52-back rest supports base portion, 53-backrest connecting portion, 531-determined power bar, 532-moves power rail, 533-adjustment sheet, 534-locating part, the 6-actuating unit that stretches, 7-backrest connector, 71-drawing pull bar, 72-tie-strut, 73-draws fixed part, 8-fastener, 9-back rest supports unit.
detailed description of the invention:
below in conjunction with accompanying drawing, the utility model is described in further detail.
embodiment mono-, with a kind of sofa retractor device shown in Fig. 3, comprises a rectangular base 2 as shown in Figure 1, Figure 2, the interior actuating unit 6 that stretches that arranges of base 2, and the length sides of base 2 is angle bar, is welded with two iron pipes as width edge between angle bar.Base 2 tops arrange telescope support body 1, and both are flexibly connected by coupling bar 11, and coupling bar 11 comprises and is actively coupled bar 41 and rotates coupling bar 42.On each angle bar, be hinged with respectively 2 pairs and be actively coupled bar 41, wherein a pair of bar 41 that is actively coupled is hinged on length sides middle part, another is hinged on length sides end to being actively coupled bar 41, above-mentioned two couple is actively coupled bar 41 and tilts to not being provided with base 2 one end that are actively coupled bar 41, and every pair is actively coupled and between bar 41, is welded with transversely strengthening bar.Be actively coupled on bar 41 and be connected with telescope support body 1, telescope support body 1 comprises thigh support portion 3, cushions support portion 4 and back rest supports unit 9; Wherein be actively coupled bar 41 hinged with cushions support portion 4,4 cooperations of cushions support portion are actively coupled bar 41 and are also provided with 2, and one end of cushions support portion 4 is hinged with a pair of shank support portion 3.Between cushions support portion 4 and base 2, be also fixedly installed the reset components 21 that makes cushions support portion 4 be fast decline state, reset components 21 is spring or gas bar.Reset components 21 can also be fixedly installed between cushions support portion 4 and coupling bar 11 or between coupling bar 11 and base 2 or between drawing pull bar 71 and tie-strut 72.
thigh support portion 3 comprises the first connecting rod 31 hinged with cushions support portion 4 and second connecting rod 32, and first connecting rod 31 is hinged with third connecting rod 33, and second connecting rod 32 is hinged with the 4th connecting rod 34; First connecting rod 31 and the 4th connecting rod 34 are hinged, third connecting rod 33 and the 4th connecting rod 34 front ends are hinged with thigh support pedestal 35, between first connecting rod 31, be welded with cross bar 36, be welded with rotating base 37 on cross bar 36, rotating base 37 is connected with flexible actuating unit 6.In cushions support portion 4, be provided with locating part 8, and be between first connecting rod 31 and second connecting rod 32.
cross bar 36 can be welded between second connecting rod 32 or third connecting rod 33 or the 4th connecting rod 34.
back rest supports unit 9 is a subtriangular support, hinged cushions support portion of summit place 4; Another summit place is hinged with and rotates coupling bar 42, and swivel-chain extension bar 5 articulated bases 2 point to do not establish coupling bar 11 one end.
motion mode is; flexible actuating unit 6 is in the time of motion; flexible actuating unit 6 first boosts thigh support portion 3; in the time that thigh support portion 3 is stretched over the limit; engaged exactly part 8 engages and cannot stretch; then drive reach and the rising of cushions support portion 4, drive back rest supports unit 9 move forward and tilt in the process of rising, whole motion process has protected the head and the waist that are sitting in the people on chair slowly to be held up respectively.When recovery, flexible actuating unit 6 shrinks, return unit 21 provides the power of a downward trend to fast cushions support portion 4, make cushions support portion 4 drive back rest supports unit 9 to start to recover at once, after back rest supports unit 9 resets, when cushions support portion 4 continues to drop to the limit, and when being arranged on fastener on base 2 and blocking, thigh support portion 3 also starts decline and shrink, and in the time that engaged part 8 is fixing, thigh support portion 3 is in limit contraction state straight down.
embodiment bis-, a kind of sofa retractor device as shown in Figure 4, Figure 5 and Figure 6, base has fixed pedestal on 2 one end, the hinged backrest connector 7 that arranges between cushions support portion 4 and back rest supports unit 9, backrest connector 7 comprises drawing pull bar 71 and tie-strut 72.Drawing pull bar 71 is hinged in cushions support portion 4 and near being provided with 3 places of thigh support portion.Drawing pull bar 71 is hinged on tie-strut 72 middle parts, and tie-strut 72 and base 2 are hinged and hinged with back rest supports unit 9.Back rest supports unit 9 is hinged on fixed pedestal top by tie-strut 72 and rotation coupling bar 42, when flexible actuating unit 6 moves, drives tie-strut 72 by drawing pull bar 71, back rest supports unit 9 is inclined and bow.
in addition, can also adopt drawing pull bar 71 to be hinged on to rotate on coupling bar 42 or be hinged on and on back rest supports unit 9, realize the back rest supports unit 9 downward forward motion of falling down in process.Can also be that cross bar 36 is welded between a pair of second connecting rod 32 or a pair of third connecting rod 33 or a pair of the 4th connecting rod 34; Telescoping mechanism 6 can adopt cylinder, oil cylinder, electric pushrod or linear electric motors.
in the time of flexible actuating unit 6 setting in motion, first flexible actuating unit 6 first boosts thigh support portion 3, in the time that thigh support portion 3 is stretched over the limit, engaged exactly part 8 engages and cannot stretch, flexible actuating unit 6 drives reach and the rising of cushions support portion 4 by boost thigh support portion 3 according to need, cushions support portion 4 move forward and the process that rises in drive back rest supports unit 9 to move forward and back rest supports unit 9 tilted by tensioning member 7, reach the limit that flexible actuating unit 6 extends, whole motion process makes to be sitting in people on chair and need not alter one's posture and just can lie down from sitting become, and head and waist in whole process slowly held up respectively, not as existing technology, make backrest first fall or fall together with thigh support portion, ensure like this comfortableness of whole process.When recovery, flexible actuating unit 6 shrinks, return unit 21 provides the power of a downward trend to fast cushions support portion 4, make cushions support portion 4 drive back rest supports unit 9 to start to recover at once, after back rest supports unit 9 resets, when cushions support portion 4 continues to drop to the limit, and when being arranged on fastener on base 2 and blocking, thigh support portion 3 also starts decline and shrink, and in the time that engaged part 8 is fixing, thigh support portion 3 is in limit contraction state straight down.All the other are the same with embodiment mono-.
embodiment tri-, back rest supports unit 9 comprises the back rest supports portion 5 of a cuboid piece and the traction fixed part 73 of an approximate strip plate, as shown in Figure 7 and Figure 8, back rest supports portion 5 comprises backrest fixed base 51, back rest supports base portion 52 and hinged backrest fixed base 51 and back rest supports base portion 52 and the backrest connecting portion 53 that can make back rest supports base portion 52 move forward and backward and rotate with respect to backrest fixed base 51 in back rest supports portion 5.
the upper end of backrest fixed base 51 is provided with determined power bar 531 and lower end and is provided with moving power rail 532, and determined power bar 531 and moving power rail 532 run through backrest fixed base 51, and adjustment structure is set running through end.On determined power bar 531 in backrest fixed base 51 and moving power rail 532, be provided with the locating part 534 that prevents that determined power bar 531 and moving power rail 532 from moving forward and backward, in backrest fixed base 51, offer the spacing draw-in groove 511 that coordinates locating part 534.Between moving power rail 532 and back rest supports base portion 52, be hinged with adjustment sheet 533.
determined power bar 531 and moving power rail 532 can rotate backrest fixed base 51 is interior, comprise screw rod and nut, screw surface is provided with screw thread, nut coordinates spiral shell thread surface, and adjustment structure is the groove that can make by external tool the bolt rotary of determined power bar 531 and moving power rail 532 of offering.In the time that back rest supports portion 5 need to move forward and backward, regulate together or separate regulation determined power bar 531 and moving power rail 532, nut is in same vertical plane; In the time that back rest supports portion 5 need to rotate an angle, regulate moving power rail 532 to make back rest supports portion 5 can move an angle.
the fixing welding in traction fixed part 73 one end backrest fixed base 51, the other end is hinged in cushions support portion 4, and its middle part is hinged on base 2 by rotating coupling bar 42.All the other are the same with embodiment mono-.
embodiment tetra-, a kind of sofa retractor device as shown in Figure 9, comprises a rectangular base 2, the interior actuating unit 6 that stretches that arranges of base 2, the length sides of base 2 is angle bar, is welded with two iron pipes as width edge between angle bar.Base 2 tops arrange telescope support body 1, and have fixed pedestal on base 2 one end, and both are flexibly connected by coupling bar 11, and coupling bar 11 comprises and is actively coupled bar 41 and rotates coupling bar 42.On each angle bar, be hinged with respectively 2 pairs and be actively coupled bar 41, wherein a pair of bar 41 that is actively coupled is hinged on length sides middle part, another is hinged on length sides end to being actively coupled bar 41, above-mentioned two couple is actively coupled bar 41 and tilts to not being provided with base 2 one end that are actively coupled bar 41, and every pair is actively coupled and between bar 41, is welded with transversely strengthening bar.Be actively coupled on bar 41 and be connected with telescope support body 1, telescope support body 1 comprises thigh support portion 3, cushions support portion 4 and back rest supports unit 9; Wherein be actively coupled bar 41 hinged with cushions support portion 4,4 cooperations of cushions support portion are actively coupled bar 41 and are also provided with 2, and one end of cushions support portion 4 is hinged with a pair of shank support portion 3.Between cushions support portion 4 and base 2, be also fixedly installed the reset components 21 that makes cushions support portion 4 be fast decline state, reset components 21 is spring or gas bar.Reset components 21 can also be fixedly installed between cushions support portion 4 and coupling bar 11 or between coupling bar 11 and base 2 or between drawing pull bar 71 and tie-strut 72.
thigh support portion 3 comprises the first connecting rod 31 hinged with cushions support portion 4 and second connecting rod 32, and first connecting rod 31 is hinged with third connecting rod 33, and second connecting rod 32 is hinged with the 4th connecting rod 34; First connecting rod 31 and the 4th connecting rod 34 are hinged, and third connecting rod 33 and the 4th connecting rod 34 front ends are hinged with thigh support pedestal 35, are welded with cross bar 36 between first connecting rod 31.On cross bar 36, be welded with rotating base 37, rotating base 37 is connected with flexible actuating unit 6.In cushions support portion 4, be provided with locating part 8, and be between first connecting rod 31 and second connecting rod 32.
in addition can also be that cross bar 36 is welded between a pair of second connecting rod 32 or a pair of third connecting rod 33 or a pair of the 4th connecting rod 34; Telescoping mechanism 6 can adopt cylinder, oil cylinder, electric pushrod or linear electric motors.
the hinged backrest connector 7 that arranges between cushions support portion 4 and back rest supports unit 9, backrest connector 7 comprises drawing pull bar 71 and tie-strut 72.Drawing pull bar 71 is hinged in cushions support portion 4 and near being provided with 3 places of thigh support portion.Drawing pull bar 71 is hinged on tie-strut 72 middle parts, and tie-strut 72 and base 2 are hinged and hinged with back rest supports unit 9.Back rest supports unit 9 is hinged on fixed pedestal top by tie-strut 72 and rotation coupling bar 42, when flexible actuating unit 6 moves, drives tie-strut 72 by drawing pull bar 71, back rest supports unit 9 is inclined and bow.In addition, can also adopt drawing pull bar 71 to be hinged on to rotate on coupling bar 42 or be hinged on and on back rest supports unit 9, realize the back rest supports unit 9 downward forward motion of falling down in process.
back rest supports unit 9 comprises the back rest supports portion 5 of a cuboid piece and the traction fixed part 73 of an approximate strip plate, as shown in Figure 7 and Figure 8, back rest supports portion 5 comprises backrest fixed base 51, back rest supports base portion 52 and hinged backrest fixed base 51 and back rest supports base portion 52 and the backrest connecting portion 53 that can make back rest supports base portion 52 move forward and backward and rotate with respect to backrest fixed base 51 in back rest supports portion 5.
the upper end of backrest fixed base 51 is provided with determined power bar 531 and lower end and is provided with moving power rail 532, and determined power bar 531 and moving power rail 532 run through backrest fixed base 51, and adjustment structure is set running through end.On determined power bar 531 in backrest fixed base 51 and moving power rail 532, be provided with the locating part 534 that prevents that determined power bar 531 and moving power rail 532 from moving forward and backward, in backrest fixed base 51, offer the spacing draw-in groove 511 that coordinates locating part 534.Between moving power rail 532 and back rest supports base portion 52, be hinged with adjustment sheet 533.
the fixing welding in traction fixed part 73 one end backrest fixed base 51, the other end is hinged in cushions support portion 4, and its middle part is hinged on base 2 by rotating coupling bar 42.
in the time of flexible actuating unit 6 setting in motion, first flexible actuating unit 6 first boosts thigh support portion 3, in the time that thigh support portion 3 is stretched over the limit, engaged exactly part 8 engages and cannot stretch, flexible actuating unit 6 drives reach and the rising of cushions support portion 4 by boost thigh support portion 3 according to need, cushions support portion 4 move forward and the process that rises in drive back rest supports unit 9 to move forward and back rest supports unit 9 tilted by tensioning member 7, reach the limit that flexible actuating unit 6 extends, whole motion process makes to be sitting in people on chair and need not alter one's posture and just can lie down from sitting become, and head and waist in whole process slowly held up respectively, not as existing technology, make backrest first fall or fall together with thigh support portion, ensure like this comfortableness of whole process.When recovery, flexible actuating unit 6 shrinks, return unit 21 provides the power of a downward trend to fast cushions support portion 4, make cushions support portion 4 drive back rest supports unit 9 to start to recover at once, after back rest supports unit 9 resets, when cushions support portion 4 continues to drop to the limit, and when being arranged on fastener on base 2 and blocking, thigh support portion 3 also starts decline and shrink, and in the time that engaged part 8 is fixing, thigh support portion 3 is in limit contraction state straight down.
determined power bar 531 and moving power rail 532 can rotate backrest fixed base 51 is interior, comprise screw rod and nut, screw surface is provided with screw thread, nut coordinates spiral shell thread surface, and adjustment structure is the groove that can make by external tool the bolt rotary of determined power bar 531 and moving power rail 532 of offering.In the time that back rest supports portion 5 need to move forward and backward, regulate together or separate regulation determined power bar 531 and moving power rail 532, nut is in same vertical plane; In the time that back rest supports portion 5 need to rotate an angle, regulate moving power rail 532 to make back rest supports portion 5 can move an angle.
this specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
Claims (10)
1. a sofa retractor device, comprise the base (2) of telescope support body (1) and the described telescope support body of support (1), it is characterized in that, described telescope support body (1) is flexibly connected by coupling bar (11) with described base (2), described telescope support body (1) comprises thigh support portion (3), cushions support portion (4) and back rest supports unit (9), described cushions support portion (4) respectively with described thigh support portion (3), described back rest supports unit (9) is hinged, described coupling bar (11) comprises being articulated with and is actively coupled bar (41) between described base (2) and described cushions support portion (4), be articulated with the rotation coupling bar (42) between described base (2) and described back rest supports unit (9), be articulated with the flexible actuating unit (6) between described base (2) and described thigh support portion (3), described flexible actuating unit (6) is controlled the flexible of described thigh support portion (3), by the flexible lifting that drives described cushions support portion (4) of described thigh support portion (3), and drive inclining of described back rest supports unit (9) to bow by the lifting of described cushions support portion (4).
2. a kind of sofa retractor device according to claim 1, it is characterized in that, the hinged backrest connector (7) that arranges between described cushions support portion (4) and described back rest supports unit (9), described backrest connector (7) comprises that to be hinged on described cushions support portion (4) upper and near being provided with drawing pull bar (71) that described thigh support portion (3) locates, being hinged on middle part and and hinged and hinged with described back rest supports unit (9) tie-strut (72) of described base (2) by described drawing pull bar (71).
3. a kind of sofa retractor device according to claim 1, is characterized in that, described back rest supports unit (9) comprises back rest supports portion (5) and traction fixed part (73); Described back rest supports portion (5) comprises the backrest connecting portion (53) that is fixed on backrest fixed base (51), the back rest supports base portion (52) of described traction fixed part (73) end and is connected described backrest fixed base (51) and described back rest supports base portion (52) and can makes described back rest supports base portion (52) move forward and backward and rotate with respect to described backrest fixed base (51); Described traction fixed part (73) middle part is upper by the hinged described base of described rotation coupling bar (42) (2), and the other end is hinged in described cushions support portion (4).
4. a kind of sofa retractor device according to claim 2, is characterized in that, described backrest connector (7) connects described back rest supports unit (9); Described back rest supports unit (9) comprises back rest supports portion (5) and traction fixed part (73); Described back rest supports portion (5) comprises the backrest connecting portion (53) that is fixed on backrest fixed base (51), the back rest supports base portion (52) of described traction fixed part (73) end and is connected described backrest fixed base (51) and described back rest supports base portion (52) and can makes described back rest supports base portion (52) move forward and backward and rotate with respect to described backrest fixed base (51); Described traction fixed part (73) middle part is upper by the hinged described base of described rotation coupling bar (42) (2), and the other end is hinged on described tie-strut (72).
5. according to a kind of sofa retractor device described in claim 3 or 4, it is characterized in that, described backrest connecting portion (53) comprises determined power bar (531) and moving power rail (532), between described moving power rail (532) and described back rest supports base portion (52), is provided with adjustment sheet (533).
6. a kind of sofa retractor device according to claim 5, is characterized in that, described determined power bar (531) and described moving power rail (532) run through described backrest fixed base (51), and adjustment structure is set running through end; On described determined power bar (531) in described backrest fixed base (51) and described moving power rail (532), be provided with the locating part (534) that prevents that described determined power bar (531) and described moving power rail (532) from moving forward and backward, in described backrest fixed base (51), offer the spacing draw-in groove (511) that coordinates described locating part (534).
7. according to a kind of sofa retractor device described in claim 1 or 2 or 3 or 4 or 6, it is characterized in that, described thigh support portion (3) comprises hinged with described cushions support portion (4) respectively first connecting rod (31) and second connecting rod (32), described first connecting rod (31) is articulated with a top of described cushions support portion (4), described first connecting rod (31) is articulated with top and the 4th connecting rod (34) of third connecting rod (33), and described second connecting rod (32) is articulated with a top of described the 4th connecting rod (34); Described third connecting rod (33) and described the 4th connecting rod (34) are at its another one top articulated leg supporting base (35) separately; Described first connecting rod (31) connects cross bar (36), rotating base (37) is set hinged with described flexible actuating unit (6) on described cross bar (36).
8. a kind of sofa retractor device according to claim 7, is characterized in that, is provided with fastener (8) and limits the limit punctured position of described thigh support portion (3) in described cushions support portion (4).
9. according to a kind of sofa retractor device described in claim 1 or 2 or 3 or 4 or 6, it is characterized in that, between described cushions support portion (4) and described base (2), be provided with the reset components (21) that makes described cushions support portion (4) there is a fast-descending trend.
10. according to a kind of sofa retractor device described in claim 1 or 2 or 3 or 4 or 6, it is characterized in that, between described cushions support portion (4) and described coupling bar (11) or between described coupling bar (11) and described base (2) or between described drawing pull bar (71) and described tie-strut (72), be provided with the reset components (21) that makes described cushions support portion (4) there is a fast-descending trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054776.7U CN203789486U (en) | 2014-01-15 | 2014-01-28 | Sofa stretching device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023715.4 | 2014-01-15 | ||
| CN201420023715 | 2014-01-15 | ||
| CN201420054776.7U CN203789486U (en) | 2014-01-15 | 2014-01-28 | Sofa stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203789486U true CN203789486U (en) | 2014-08-27 |
Family
ID=50660236
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054776.7U Expired - Fee Related CN203789486U (en) | 2014-01-15 | 2014-01-28 | Sofa stretching device |
| CN201410041291.9A Active CN103783856B (en) | 2014-01-15 | 2014-01-28 | Sofa retractor device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410041291.9A Active CN103783856B (en) | 2014-01-15 | 2014-01-28 | Sofa retractor device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN203789486U (en) |
| WO (1) | WO2015106478A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103783856A (en) * | 2014-01-15 | 2014-05-14 | 傅建华 | Sofa retractor device |
| CN104856477A (en) * | 2015-03-27 | 2015-08-26 | 浙江永艺家具股份有限公司 | Chair and electro-mechanical stretching apparatus thereof |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323617B (en) * | 2014-06-30 | 2017-11-17 | 敏华家具制造(惠州)有限公司 | Sofa |
| CN104398033B (en) * | 2014-11-21 | 2016-12-07 | 浙江工业大学 | Interlinking lifting chair |
| CN104523059B (en) * | 2014-12-16 | 2017-02-01 | 东莞市捷科五金有限公司 | Multi-functional supporting device for seat |
| CN104856478B (en) * | 2015-03-27 | 2018-04-06 | 永艺家具股份有限公司 | A kind of seat and its electromechanical extension device |
| CN106473490A (en) * | 2015-09-02 | 2017-03-08 | 安吉上工永艺五金制造有限公司 | A kind of seat and its functional frame |
| CN105394953B (en) * | 2015-12-15 | 2018-06-29 | 中源家居股份有限公司 | Mimicry cradle sofa base device |
| CN105394952B (en) * | 2015-12-15 | 2018-07-27 | 中源家居股份有限公司 | Mimicry swing sofa base device |
| CN107280320B (en) * | 2017-08-03 | 2023-03-10 | 江门市傲视实业有限公司 | Full-electric extension type shampoo bed |
| CN108402767B (en) * | 2018-04-28 | 2023-08-29 | 浙江飞力科技有限公司 | Headrest and waist pillow linkage device of movable sofa |
| CN108836001A (en) * | 2018-07-24 | 2018-11-20 | 锐迈机械科技（吴江）有限公司 | Low seat height is servo-actuated sofa device |
| CN109363412B (en) * | 2018-11-21 | 2024-03-01 | 安道拓(重庆)汽车部件有限公司 | Household functional electric sofa |
| CN109393818B (en) * | 2018-11-21 | 2024-02-20 | 安道拓(重庆)汽车部件有限公司 | Electric functional sofa |
| BE1026795B1 (en) * | 2019-05-21 | 2020-06-18 | Sedac Mecobel Nv | SEAT WITH TILT ADJUSTMENT, FOLDABLE FOOTREST AND ROCKING FRAME |
| CN115005628B (en) * | 2022-05-20 | 2023-11-24 | 安吉永艺尚品家具有限公司 | Sofa bed with back pulled back and use method |
| CN115606959A (en) * | 2022-08-23 | 2023-01-17 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365836A (en) * | 1980-08-29 | 1982-12-28 | Cleveland Chair Company | Motorized reclining chair |
| DE3101329A1 (en) * | 1981-01-17 | 1982-09-02 | Himolla Polstermöbelwerk GmbH, 8252 Taufkirchen | Convertible chair |
| CN2525876Y (en) * | 2002-02-01 | 2002-12-18 | 魏中 | Scissor angle adjustable frame |
| CN200941924Y (en) * | 2006-07-26 | 2007-09-05 | 喜客来家具寝具部件(深圳)有限公司 | Frame for sofa chair |
| EP2878229B1 (en) * | 2010-01-15 | 2016-09-28 | L&P Property Management Company | Powered rocker and glider recliner linkage mechanisms |
| US8449027B2 (en) * | 2010-03-23 | 2013-05-28 | L & P Property Management Company | Full-flat recline linkage |
| US8573687B2 (en) * | 2010-08-27 | 2013-11-05 | L & P Property Management Company | Zero-wall clearance linkage mechanism for providing additional layout |
| CN202739303U (en) * | 2012-08-06 | 2013-02-20 | 互赢集团控股有限公司 | Recliner bracket |
| CN203137684U (en) * | 2013-03-15 | 2013-08-21 | 互赢集团控股有限公司 | Sofa support |
| CN203331879U (en) * | 2013-06-08 | 2013-12-11 | 刘俊勤 | Vehicle-mounted seat |
| CN203354076U (en) * | 2013-07-09 | 2013-12-25 | 安吉县盛信办公家具有限公司 | Sofa |
| CN203789486U (en) * | 2014-01-15 | 2014-08-27 | 李人英 | Sofa stretching device |
| CN103720225B (en) * | 2014-01-15 | 2017-02-01 | 永艺家具股份有限公司 | Simple sofa expansion device |
-
2014
- 2014-01-28 CN CN201420054776.7U patent/CN203789486U/en not_active Expired - Fee Related
- 2014-01-28 CN CN201410041291.9A patent/CN103783856B/en active Active
- 2014-01-28 WO PCT/CN2014/071641 patent/WO2015106478A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103783856A (en) * | 2014-01-15 | 2014-05-14 | 傅建华 | Sofa retractor device |
| CN103783856B (en) * | 2014-01-15 | 2017-01-25 | 永艺家具股份有限公司 | Sofa retractor device |
| CN104856477A (en) * | 2015-03-27 | 2015-08-26 | 浙江永艺家具股份有限公司 | Chair and electro-mechanical stretching apparatus thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015106478A1 (en) | 2015-07-23 |
| CN103783856A (en) | 2014-05-14 |
| CN103783856B (en) | 2017-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: ZHEJIANG UE FURNITURE CO., LTD. Free format text: FORMER OWNER: LI RENYING Effective date: 20140826 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 313000 HUZHOU, ZHEJIANG PROVINCE TO: 313300 HUZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140826 Address after: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Patentee after: Zhejiang Yongyi Furniture Co.,Ltd. Address before: Anji County, Zhejiang province 313000 Huzhou City Dipu town top Sen Road No. 18 Patentee before: Li Renying |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANJI SHANGGONG YONGYI HARDWARE MANUFACTURING CO., LTD. Assignor: Zhejiang Yongyi Furniture Co.,Ltd. Contract record no.: 2015330000237 Denomination of utility model: Sofa retractor device Granted publication date: 20140827 License type: Common License Record date: 20150901 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
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Address after: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Patentee after: UE FURNITURE CO., LTD. Address before: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Patentee before: Zhejiang Yongyi Furniture Co.,Ltd. |
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| EM01 | Change of recordation of patent licensing contract |
Change date: 20160317 Contract record no.: 2015330000237 Assignor after: UE FURNITURE CO., LTD. Assignor before: Zhejiang Yongyi Furniture Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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