CN103347421B - Furniture piece - Google Patents

Abstract

The embodiment of the invention discloses a kind of furniture piece (1), it has a sitting face (2) and a supporting leg (4) that outwards can overturn round rotary shaft (13), wherein couch can rotate between sitting posture position and bed flat position, can be moved rearwards by relative to fixed pedestal (3) for this sitting face (2), and supporting leg (4) so couples with sitting face (2): during sitting face (2) is moved rearwards by, supporting leg (4) rotates, wherein supporting leg (4) contains a gear (11), and in the forward frame of sitting face (2), it is mounted with a gear ring (12), gear (11) engages with gear ring (12), so that supporting leg (4) overturns round rotary shaft (13).

Description

Furniture piece

Technical field

The present invention relates to a kind of furniture piece, especially a kind of couch or sofa, it has One sitting face and one can be round the supporting legs of upset outside axial rotary, and wherein couch can Rotate between sitting posture position and bed flat position, can be relative to fixed base for this sitting face Frame is moved rearwards by, and supporting leg so couples with sitting face: the process being moved rearwards by sitting face Middle supporting leg rotates.

Background technology

Such furniture piece be it has long been known to, also referred to as seat is lain two-in-one furniture. This furniture can be at " normally " vertically sitting posture position and (such as base of turning over the most significantly In level in basis) bed flat position between be adjusted.

When bed flat position, an extra supporting leg or leg can overturn forward/up. Owing to ground limits the size of supporting leg, the distance between leading edge and the ground of sitting face is easily to produce Raw problem.In order to solve this problem, it is used telescopic supporting leg, passes through shears Formula jack, Bowden cable etc. control it.

For this type of, for the couch introduced in patent DE 296 00 282 U1, logical Cross pressing handrail by sitting face displacement thus to be adjusted being a need for, because this couch sets Count a parallel drive lever system, it is possible to body weight or the center of gravity of people are connected when sitting face moves Shift the most backward with sitting face.Supporting leg is so to be connected with parallel drive lever system: supporting leg exists Rotary course outwardly or inwardly overturns.Additionally, supporting leg is designed as being made up of two components, During supporting leg outwards overturns, the two component moves in the opposite direction, thereby while propping up Physical dimension under the state that lower limb inwardly overturns is the least, still ensures that supporting surface is longer.Parallel biography The structure height that lever system requires is bigger, inclines to change it in sitting face during moving Gradient, needs a toggle.In order to when supporting leg inwardly overturns by supporting leg to overhanging The component gone out is retracted, and devises a retraction cord.

Patent DE 20 2,006 006 678 U1 discloses a kind of furniture piece, and it is with one The little leg support that can outwards overturn and support prolongation, the least leg support is at home position Time constitute a front panel being positioned at furniture piece lower front, by means of hinged hinge Chain, is hinged on the scissors hinge near shank side face end the most in couples, and shank props up Frame can transfer to a comfortable position from this home position, the shank when this comfortable position Support constitutes one in the preferred case has the sitting posture component of certain distance to prolong with sitting posture component Long part, its medium-height trestle prolongation is coupled by the hinge of hinge bar with little leg support, from And make little leg support outwards overturn when regulating this furniture piece.

Patent DE 198 30 418 A1 discloses a kind of couch, and sitting posture element therein is this Sample is arranged: this sitting posture element can be moved rearwards by relative to underframe, and by connecting unit Part is coupled with backrest, when sitting posture component is moved rearwards by this connecting element can by backrest to Rear turnover, now backrest is connected by regulating element with sitting posture element and underframe, this regulation Element can not be affected by sitting face position and be changed the turnover angle of backrest.Additionally, leg with Underframe and sitting face are so coupling: when sitting face is moved rearwards by, leg swings forward/up. To this end, by one built-in, be positioned at after leg or scissor-type system below, leg It is coupled with underframe and sitting face.With the couch class illustrated in patent DE 296 00 282 U1 Seemingly, the most also devise a Bowden cable, for making the sheet elements of double-plate structure realize phase To movement.

Patent DE 20 2,005 000 136 U1 elaborates a kind of couch, and its sitting face is by a pipe Being configured to, wherein side pipe is supported between front and rear double pipe structure, so that sitting face Can move horizontally.

Patent DE 44 30 303 A1 discloses a kind of with can the sitting posture man of outside overturning supporting leg Tool, when supporting leg outwards overturns, sitting face is swung up, in order to increase below sitting posture component is clean Highly, so that the length of supporting leg is while more than free height, supporting leg remains to outwards overturn.To this end, On one sitting posture movable joint of the close backrest that sitting posture component is hinged on pedestal, supporting leg is positioned at knee One end on movable joint is directly hinged on sitting posture component, and such connected mode allows for sitting posture structure Part when the centre position of inwardly or outwardly switching process, by its knee movable joint side around Sitting posture movable joint to overturn, can raise voluntarily relative to ground.

Patent DE 37 18 645 A1 also discloses a kind of with can the seat of outside overturning supporting leg Formula furniture, this supporting leg can rotate between two terminal positions, and one of them is substantially Concordant with sitting posture component, outwards upset time the terminal position that arrives, another is inwardly upset Time the terminal position that arrives, and now supporting leg can move down, at least part of movement Below sitting posture component.Supporting leg by a leg member and a shank hinged with it or Foot part component forms.By the driving intercoupled and actuated element, two components of supporting leg are even It is connected together.During centre position when outwards upset, between leg member and foot part component in One acute angle.Driving and actuated element has a coupling mechanism, this mechanism includes one greatly Lower limb rocking bar, foot's connecting rod and intermediate connecting rod.Thigh rocking bar is connected with leg member, And it is hinged on pedestal on fixing sitting posture movable joint.Foot's connecting rod is connected with foot part component Connect, and be hinged on the knee movable joint of thigh rocking bar.Intermediate connecting rod passes through a common work Joint is connected with each other.One intermediate connecting rod is hinged on a guiding movable joint of thigh rocking bar, Another intermediate connecting rod is hinged on knee movable joint, foot's connecting rod stretching, extension movable joint. Foot's connecting rod has the connecting rod of a right opposite side being positioned at knee movable joint, and this is even Bar, beyond stretching movable joint one section, constitutes the free end of foot part component.A holding element Under effect, common movable joint when two terminal positions all in the state of very firm stable.

Patent WO 2004/034849 A1 describes the mechanical mechanism of a kind of couch, by sitting Being moved rearwards by of face, this mechanical mechanism can make supporting leg rotate and stretch out simultaneously, and work as When sitting face is in the state of inwardly upset, the most vertically downward.To this end, this is mechanical Mechanism includes an element that is approximately fixed and that can stretch out, this element and pedestal phase with straight line Connect, and be rotatably hinged on supporting leg.Additionally, this mechanical mechanism also includes one Element rotatable, that can stretch out with straight line, this element is permanently connected with supporting leg, and It is rotatably hinged on that element foregoing.Exsertile element is designed as contraction type Obform guide rail.Approximately fixed profiled rails is divided into two assemblies, assembly correspondingly with base Frame connects, and another assembly is rotatably connected with supporting leg.Rotatable profiled rails is by two Assembly is constituted, and one of them assembly is rotatably connected with pedestal accordingly, another assembly one Aspect is connected with supporting leg regularly, the most rotatably with approximately fixed profiled rails The assembly being rotatably connected with supporting leg be connected.By a parallelogram link system, Approximately fixed profiled rails also can change while sitting face moves its towards, thus allow for Although couch simple in construction, stable, people also can easily, mildly swing leg.

Patent DE 10 2,006 038 736 A1 describes a kind of with a sitting face and one equally Can the couch of outside overturning supporting leg, wherein sitting face can relative to fixed pedestal backward Moving, and be hinged on the front portion of couch by support bar, supporting leg is so to couple with sitting face : supporting leg is simultaneously rotated during sitting face is moved rearwards by, and now supporting leg utilizes first Sliding bearing is connected on support bar, utilizes second sliding bearing to be hinged on fixed base On frame, and first sliding bearing is rotatably connected with second sliding bearing, and second The design of individual sliding bearing so that it is can change towards in switching process.Wherein supporting leg tool Having a leg member and a little leg member, the two component is so to interconnect mutually Connecing: during sitting face is moved rearwards by, little leg member is substantially parallel to sitting face from one And it is positioned at the position below sitting face and rotates to an approximate horizontal position.

Summary of the invention

The task of the present invention is, design is a kind of can outside overturning supporting leg with a sitting face and one Furniture piece, its on the one hand structure extremely simple, on the other hand just may be used without complicated mechanism To regulate supporting leg.

Furniture piece by the following technical programs solves this task.

A kind of furniture piece, its there is a sitting face and one can turn up round axial rotary The supporting leg turned, wherein furniture piece can rotate, for this between sitting posture position and bed flat position Sitting face can be moved rearwards by relative to fixed pedestal, and supporting leg is coupling such with sitting face Close: during sitting face is moved rearwards by, supporting leg rotates, it is characterised in that described Lower limb includes a gear, and is mounted with a gear ring in the forward frame of sitting face, gear with Gear ring engages, so that supporting leg overturns round rotary shaft.

Described gear ring is non-rotatably fixed in the forward frame of sitting face.

Described gear ring is arranged to circular arc.

Described gear ring is arranged so as to: during sitting face is moved rearwards by, and described gear ring drives The gear of dynamic supporting leg.

Described gear rotary shaft with supporting leg the most rotatably links together, the most rotatably Install on the rotary shaft.

Described rotary shaft is arranged on fixed pedestal.

Described furniture piece is provided with electronic, a pneumatic or hydraulically powered driving means It is adjusted.

Described driving means passes through second gear, especially by a reduction gearing and tooth Wheel is connected.

Described furniture piece utilizes the distance that a clip has been fixed between gear ring and gear.

Described furniture piece have one independent of sitting face and can relative to sitting face rotate Backrest.

I.e. supporting leg contains a gear, and is mounted with a tooth in the forward frame of sitting face Circle, gear engages with gear ring, so that supporting leg overturns round rotary shaft, such design is just The rotatable of supporting leg can be realized by simple mechanical mechanism solution.

In other words, furniture piece has a gear drive between pedestal and sitting face, By means of a gear ring and a gear engaged, regulation is sat by this gear drive The produced motion in face passes to the rotary shaft of supporting leg.

Either use one or two or more gear drives, basic functional principle It is not always the case.When using a gear drive, this arrangement of mechanism in the preferred case In central authorities, the remainder of furniture is played the effect of bracing reinforcement.Pass using two gears During motivation structure, the two mechanism is arranged in the right and left in the preferred case.

Such design has the biggest advantage, i.e. just can be predefined by simple block Inwardly overturn and outwards overturn the final position arrived respectively.Such that it is able to preset, when Can to what extent be seen when supporting leg inwardly overturns, and when supporting leg outwards overturns Height.

Either gear ring or gear can produce by Sheet Metal Forming Technology.

Gear ring is non-rotatably fixed in the forward frame of sitting face with reasonable manner.

It is to say, such as gear ring is non-rotatably secured to downwardly directed, a upright company On fishplate bar.The motion of sitting face thus can be made to pass to gear.Gear ring is in the preferred case Being arranged so as to: when sitting face is moved rearwards by, this gear ring drives the gear of supporting leg.

It is particularly preferred that this gear ring is designed to circular arc.Even if the forward frame of sitting face exists During being moved rearwards by by support bar, it highly there occurs that change, such design have remained to Help keep being fully contacted of gear ring and gear.

It is same it is particularly preferred that gear rotary shaft with supporting leg the most rotatably links together, The most it is not rotationally mounted in rotary shaft.So gear just can directly be driven by gear ring, Directly drive supporting leg simultaneously.To this end, gear or rotary shaft preferably master link with supporting leg is consolidated Surely link together.

Preferably, rotary shaft is arranged on fixed pedestal.Such as this rotary shaft can On the lower section longitudinal tie anterior to be arranged in couch.

In addition to by center of gravity transfer labor driving means, it is also possible to design one electronic, Pneumatic or hydraulically powered driving means regulates supporting leg and/or sitting face.To this end, preferably Toothed gearing electric motor conventional in automotive seat regulation system can be used.

Such design should be used: drive dress to transmit drive force to " mechanical reduction gear " Put by second gear, be connected with gear especially by a reduction gearing.This Individual second travelling gear is in particular arranged on the gear side on gear ring opposite, such that it is able to there is choosing Driving means is installed with selecting.

Equally, it is also possible to directly drive rotary shaft.

The distance between gear ring and gear has been fixed if, with a clip, although then structure Form the most simply remains to make mechanical reduction gear keep stable and rigidity.Additionally, this clip Can serve as support bar, its effect is to make sitting face forward frame be fused to sand in known manner Sending out in the motor process of chair regulation system, this system had both been likely to be parallelogram knot substantially Structure, it is also possible to four trapezoidal component kinematic chain structures.Thus can be not in use by extra Parts.

This furniture piece reasonably has several block, is used for determining that each final position (is sat Appearance position and bed flat position).If manually operated electromechanical stop, then it is desirably integrated into base In frame, or if using power-actuated block, then can be designed as the limit in driving means Bit switch.

Position when the present invention equally makes supporting leg move between sitting posture position and bed flat position In any one position, and on this position being maintained at selection.

Of course, it is possible to there is one not affected by sitting face, and can rotate relative to sitting face Backrest.It is also possible to one backrest of design, its motion is coupled with sitting face.

Accompanying drawing explanation

Illustrate an embodiment below by way of schematic diagram, thus explain other details of the present invention And advantage.Therefrom can be seen that

Fig. 1 is the side view of first embodiment of couch of the present invention, wherein supporting leg position Position in inwardly upset；

Fig. 2 is the perspective view of couch shown in Fig. 1；

Fig. 3 is the side view of couch shown in Fig. 1, and wherein supporting leg is positioned at the position of outwards upset；

Fig. 4 is the perspective view of couch shown in Fig. 3；

Fig. 5 is the side view of second embodiment of couch of the present invention, wherein supporting leg position Position in inwardly upset；

Fig. 6 is the perspective view of couch shown in Fig. 5；

Fig. 7 is the side view of couch shown in Fig. 5, and wherein supporting leg is positioned at the position of outwards upset；

Fig. 8 is the perspective view of couch shown in Fig. 7,

Fig. 9 is another perspective view of couch shown in Fig. 5.

Description of reference numerals: 1-couch；2-sitting face；3-pedestal；4-supporting leg；5-pipe support；6- Side plate；7-connecting plate；8-connecting rod；9-connecting rod；10-gear drive；11-gear；12- Gear ring；13-rotary shaft；14-connecting plate；15-master link；16-round bar；17-clip；18- Toothed gearing electric motor；19-electric machine assembly；20-gear-driven assembly；21-the second gear；22 Axle.

Detailed description of the invention

A couch (its entirety is designated as 1), and this is depicted in these schematic diagrams The basic mechanical mechanism of individual couch, for the sake of cheer and bright, does not draw presumable leaning on The back of the body, rotation leg, handrail etc..Certainly, backrest can be correspondingly solid with the motion of supporting leg Surely link together, or may be configured to completely independent be adjusted.

The man-operated mechanism by center of gravity transfer regulation couch position is depicted in Fig. 1 is to 4, Fig. 5 to 9 is the power-driven mechanism for this regulation.

Between Fig. 1, the sitting posture position shown in 2 and Fig. 3, the bed flat position shown in 4, sofa Chair 1 can realize regulation.

Couch 1 includes 2, fixed pedestal 3 of a sitting face, and one can With supporting leg 4 that is that extend and retract and that inwardly or outwardly overturn.When sitting posture position, supporting leg 4 are in inside rollover states, are then in outside rollover states when bed flat position.

For the sake of clear, two master connecting-rods 15 are only depicted for supporting leg 4.Certainly Also have other element, especially bridge the bearing of the two master connecting-rod 15.

Sitting face 2 is mainly made up of a pipe support 5, and this pipe support hangs the bullet the most not drawn On spring, thus constitute independent bearing.

Pipe support 5 is connected with two side plates moved in parallel 6 of pedestal 3, thus constitutes one Can realize the system of couch regulation, it had both been likely to be parallelogram sturcutre substantially, It is also likely to be four trapezoidal component kinematic chain structures, in patent DE 20 2,005 006 216 U1 This structure is illustrated.

When being adjusted between sitting posture position and bed flat position, on the one hand sitting face 2 is relative to base Frame 3 is moved rearwards by, and on the other hand front portion is raised and rear portion declines.

To this end, the pipe support 5 of sitting face 2 at couch rear portion by welding connecting plate 7 and this Connecting rod 8 that individual connecting plate 7 is rotatably connected and another rotatable connecting rod 9 and pedestal 3 Side plate 6 is connected.

The pipe support 5 of sitting face 2 passes through a gear drive 10 and pedestal in couch front portion Side plate 6 adjustable ground of 3 links together.

Gear drive 10 mainly includes a gear 11 corresponding with supporting leg 4, and One gear ring 12 corresponding with anterior pipe support 5, this gear ring 12 engages with gear 11, Thus realize the supporting leg 4 rotation round rotary shaft 13.

To this end, gear ring 12 is non-rotatably fixed on the pipe support 5 of sitting face 2 by connecting plate 14.

Gear ring 12 is designed to circular arc, and is arranged so as to: when sitting face is moved rearwards by, This gear ring drives the gear 11 of supporting leg 4.

To this end, gear 11 is not pivotally connected in the rotary shaft 13 of supporting leg 4, or do not revolve Turn ground to be individually arranged in rotary shaft 13.Therefore, the rotation of gear 11 will be rotated axle The rotation of 13, so that the master connecting-rod 15 being connected with rotary shaft 13 and supporting leg 4 are simultaneously Upset.

Rotary shaft 13 can be rotated to support on the front end of side plate 6, and connects.

Connecting plate 14 is connected with each other by a round bar 16, and this round bar 16 will Gear ring 12 is worn together with connecting plate 14.

Between round bar 16 and rotary shaft 13, gear drive 10 the right and left is pacified respectively Having filled a clip 17, its effect is round bar 16 as connecting rod and rotary shaft 13 can be moved Couple together dynamicly.So, clip 17 has just been fixed between round bar 16 and rotary shaft 13 Distance, so that it is guaranteed that gear 11 and gear ring 12 mutually keep being fully contacted.

And clip 17 collectively serves as pipe support 5 with gear drive 10 and connecting plate 14 Support bar.

Additionally, the effect of bracing reinforcement is played by round bar 16 and rotary shaft 13 by whole mechanism.

If user is to after-applied pressure or the center of gravity correspondingly shifting him, then couch 1 exists Being adjusted between sitting posture and bed flat position, now sitting face 2 is moved rearwards by relative to pedestal 3, And front portion is raised, rear portion declines.Wherein gear ring 12 meshes together with gear 11, thus Make gear 11 rotate (turning clockwise in FIG), drive the connecting rod 15 connected to enclose Rotate around rotary shaft 13.

At Fig. 5 to 1 ' embodiment shown in 9 substantially as above-described embodiment, therefore below Only illustrate difference between the two, and identical parts also using identical reference.

Contrary with embodiments thereof described above, the regulation of couch position is mainly slowed down by gear Motor 18 realizes.

This toothed gearing electric motor 18 is arranged on the side plate 6 of pedestal 3 from side, including one Individual electric machine assembly 19 and a gear-driven assembly 20, the latter passes through the second gear 21 and tooth Wheel 11 links together.On another side plate, there is corresponding second gear 21 equally, The two gear is connected with each other by the axle 22 driven by gear-driven assembly 20.

Second gear 21 engages with the gear 11 of gear drive 10.Thus controlling tooth In the case of wheel reducing motor 18, couch 1 ' can be regulated.

Claims (10)

1. a furniture piece (1), it has a sitting face (2) and one can be around The supporting leg (4) of rotary shaft (13) outwards upset, wherein furniture piece (1) can sat Rotate between appearance position and bed flat position, can be relative to fixed for this sitting face (2) Pedestal (3) is moved rearwards by, and pedestal (3) is provided with two parallel side plates (6), and props up Lower limb (4) so couples with sitting face (2): during sitting face (2) is moved rearwards by Supporting leg (4) rotates, it is characterised in that rotary shaft (13) can be rotated to support on side The front end of plate (6), and two side plates (6) are coupled together；Described supporting leg (4) wraps Include a gear (11), and in the forward frame of sitting face (2), be mounted with a gear ring (12), gear (11) engages with gear ring (12), so that supporting leg (4) is round rotation Rotating shaft (13) overturns.

2. furniture piece (1) as claimed in claim 1, it is characterised in that described gear ring (12) it is non-rotatably fixed in the forward frame of sitting face (2).

3. furniture piece (1) as claimed in claim 1 or 2, it is characterised in that described Gear ring (12) is arranged to circular arc.

4. furniture piece (1) as claimed in claim 1 or 2, it is characterised in that described Gear ring (12) is arranged so as to: during sitting face is moved rearwards by, described gear ring (12) Drive the gear (11) of supporting leg (4).

5. furniture piece (1) as claimed in claim 1 or 2, it is characterised in that described Gear (11) rotary shaft (13) with supporting leg (4) the most rotatably links together.

6. furniture piece (1) as claimed in claim 1 or 2, it is characterised in that described Rotary shaft (13) is arranged on fixed pedestal (3).

7. furniture piece (1) as claimed in claim 1 or 2, it is characterised in that arrange One electronic, pneumatic or hydraulically powered driving means (18) come to supporting leg (4) and/ Or sitting face (2) is adjusted.

8. furniture piece (1) as claimed in claim 7, it is characterised in that described driving Device (18) is connected with gear (11) by second gear (21).

9. the furniture piece (1) as described in claim 1 or 2 or 8, is characterized in that, profit The distance between gear ring (12) and gear (11) has been fixed with a clip (17).

10. the furniture piece (1) as described in claim 1 or 2 or 8, is characterized in that, There is one independent of sitting face (2) and the backrest that can rotate relative to sitting face (2).