CN203399866U - Sofa with adjustable backrest position - Google Patents
Sofa with adjustable backrest position Download PDFInfo
- Publication number
- CN203399866U CN203399866U CN201320350514.0U CN201320350514U CN203399866U CN 203399866 U CN203399866 U CN 203399866U CN 201320350514 U CN201320350514 U CN 201320350514U CN 203399866 U CN203399866 U CN 203399866U
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- CN
- China
- Prior art keywords
- sofa
- guide rail
- bearing support
- back rest
- drive unit
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- Withdrawn - After Issue
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Abstract
The utility model relates to a sofa with adjustable backrest position. The sofa comprises a seat rack, a backrest rack, a lead rail rack and a drive device, wherein the lead rail rack comprises a lead rail which is fixedly connected with the seat rack and extends along the forward and backward directions of the sofa; the first end of a support frame is connected with the backrest rack; the second end of the support frame is connected with the lead rail in a manner of sliding relatively; the drive device is arranged to be linked with the support frame, so as to guide the second end of the support frame to slide relative to the lead rail.
Description
Technical field
The utility model relates to a kind of thing to sit on, relates more specifically to a kind of sofa, in particular the adjustable sofa of a kind of position of back.
Background technology
Because everyone bodily form angles different and everyone custom are different, institute is liked or also difference of the seat dark (being that backrest is with respect to the distance in sofa forward position) of applicable sofa.Tradition sofa seat dark be nonadjustable.For the dark nonadjustable sofa of seat, the excessive or too small people of the bodily form has obvious discomfort while lying taking a seat or lean on.
Also engender in the market and have the dark adjustable sofa of seat, but the seat of these sofas is dark, normally by modes such as draw-in groove joints, by the position setting in advance, regulate the position of backrest.This class sofa achieved seat dark adjustable range limited, and often huge due to sofa backrest shape feels gruelling, in addition for domestic consumer when regulating position of back, due to dismounting or connection repeatedly, cause shorten the service life of this class sofa.
Therefore, the utility model is intended to overcome one or more in the problems referred to above.
Utility model content
The purpose of this utility model be to provide a kind of can be simply and easily the sofa of dark and simple in structure, the long service life of adjustment seat continuously.
Above-mentioned purpose realizes by having following technical characterictic: the adjustable sofa of a kind of position of back, comprise seat frame, back rest, guide rail bracket and drive unit, wherein said guide rail bracket comprises the guide rail extending along sofa fore-and-aft direction being fixedly connected with described seat frame, the first end of one bearing support is connected with described back rest, the second end of this bearing support and described guide rail are connected in mode that can relative sliding, and described drive unit is arranged to be connected to guide the second end of described bearing support with respect to the slip of described guide rail with described bearing support.According to sofa of the present utility model, can to the guiding of bearing support, realize the continuous adjusting to back rest position by guide rail.
Advantageously, described drive unit is electro-motor.The control of electro-motor is relatively simple, therefore, makes adjusting operability for general user of position of back stronger.
Advantageously, described guide rail bracket comprises anterior crossbeam and the rear portion crossbeam being fixedly connected with described seat frame, and described guide rail two ends are fixedly connected on respectively on anterior crossbeam and rear portion crossbeam.By guide rail bracket is fixedly connected with seat frame, the supporting to back rest in the process that is conducive to move at back rest, therefore, makes sofa durable in use.
Advantageously, described second end of described bearing support is provided with wheel, and described guide rail is provided with groove, and described wheel is rollably arranged in corresponding groove.Coordinating for rolling of wheel and groove coordinates, and rubs little, and for drive unit, in the process of moving backrest position, suffered resistance is little, make user can be like a cork, even without just completing the adjusting to position of back arduously.
Advantageously, described second end of described bearing support is provided with connecting plate, relative both sides at connecting plate are respectively provided with wheel, and described guide rail has the pair of guide rails element extending in parallel, and each track element is provided with for receiving the groove of respective wheel along its direction extending longitudinally.Owing to there is paired track element, the power that comes from back rest that bearing support is suffered is split on paired track element, and the suffered stress of track element is reduced, and therefore, can extend the service life of sofa.
Advantageously, described connecting plate is positioned in the gap between described pair of guide rails element.By this configuration, mounting support frame and guide rail bracket in limited space in seat frame, can be so that overall structure be more compact.
Advantageously, in an advantageous embodiment, described drive unit is provided with transmission device, and this transmission device is described the second end to described bearing support by transmission of power.Described transmission device is arranged in the gap between described pair of guide rails element.This configuration also has advantages of that the overall structure of making is more compact.
Advantageously, the first end of described bearing support is provided with installing plate, is provided with the installing hole for removably connecting with described back rest on this installing plate.By removably connecting of bearing support and back rest, can change neatly as required the whole configuration of sofa, for example the part portion section of sofa need to have backrest, and the Duan Ze of other portion does not need the existence of backrest, makes in addition also can dismantle back rest to adapt to the demands such as cleaning or replacing.
Advantageously, described sofa comprises the corresponding back rest of quantity of a plurality of guide rails and number and guide rail.Make like this to design neatly the monnolithic case of sofa backrest, make the flexible and changeable possibility that becomes of sofa backrest.
Advantageously, the position of each back rest is by same drive unit adjusted in concert or regulate separately by different drive units.This configuration makes the design flexibility that can further improve sofa to meet people in more much higher sample demand aspect comfortableness.
According to sofa of the present utility model, can regulate continuously simply like a cork position of back, and any adjusting that can realize position of back is dark to realize different seats.In addition, simple, compact according to sofa configuration of the present utility model, the friction between the few and parts of required parts reduces, thereby has improved the durability of sofa, has increased the service life of sofa.
Accompanying drawing explanation
From with reference to the accompanying drawings to being more clearly visible above-mentioned and further feature and advantage of the present utility model the explanation of the utility model embodiment, in the accompanying drawings:
Fig. 1 illustrates the main frame structure schematic diagram according to the sofa of an embodiment of the present utility model;
Fig. 2 illustrates the bearing support of the sofa of putting in First deep-seated and the schematic diagram of guide rail bracket, wherein for the sake of clarity the anterior crossbeam of not shown guide rail bracket and rear portion crossbeam;
Fig. 3 illustrates the bearing support of the sofa of putting in second deep-seated and the schematic diagram of guide rail bracket; And
Fig. 4 illustrates the schematic cross-section obtaining along the A-A line in Fig. 3.
The specific embodiment
Referring to Fig. 1, according to an embodiment of the present utility model, the adjustable sofa 1 of position of back comprises seat frame 10, back rest 20, guide rail bracket 30 and drive unit 40.Seat frame 10 is for being configured for supporting the main body frame of sofa sitting face structure.Sitting face is the stressed main position of sofa.Conventionally the sitting face structure of sofa mainly contains the types such as elastic bandage, wood flat board, snake shaped steel spring.Sofa is the bottom of sitting face structure mainly with medium density fibre board (MDF) in the market, above in layering place mat density sponge and gum sprayed cotton to improve comfort.Sitting face structure shown in Fig. 1 is snake shaped steel spring structure 101.Back rest 20 supports its back when occupying on sofa people.Therefore, back rest 20 is arranged on the position that the forward position along the fore-and-aft direction of sofa with a certain distance from seat frame 10 has, to reserve certain space that takes a seat.Therefore, for regulating the guide rail bracket 30 of back rest position to be conventionally arranged on the roughly latter half of region of seat frame 10, as shown in Figure 1.Guide rail bracket 30 comprises the guide rail 300 for guiding back rest 20 to move.Guide rail 300 extends along the fore-and-aft direction of sofa.In the embodiment shown, guide rail bracket 30 also comprises anterior crossbeam 301 and the rear portion crossbeam 302 being fixedly connected with seat frame 10, and the two ends of guide rail 300 are fixedly connected on respectively on anterior crossbeam 301 and rear portion crossbeam 302.
" front " mentioned herein and " afterwards " are for the inactive state of well preparing afterwards to treat the used time with respect to sofa horizontal positioned, on ordinary meaning, when people occupies on sofa, the forward position that an edge of close people's shank is sofa, the rear edge that the edge at close people back is sofa.The degree of depth that is sofa along fore-and-aft direction sofa forward position and the distance between rear edge of sofa, the seat that is sofa in fore-and-aft direction sofa forward position and the distance between backrest of sofa is dark.The width of sofa is perpendicular to the fore-and-aft direction of sofa the direction parallel with horizontal plane.
" sofa " as defined herein is all thing to sit on or the chair tools that have with the suitable function of seat from broadly understanding, and even also can comprise the bed with backrest or frame.Herein described " backrest " do not should be understood to yet only limit to sofa for supporting the framework of human body back, but also can be understood as for limiting the sitting face width of sofa or the interface frame of the degree of depth, such as the left and right handrail of sofa etc.
As can be seen from Figure 1, back rest 20 is connected by bearing support 50 with guide rail bracket 30.Back rest 20 is independent frame structure, and it is removably connected with the first end of bearing support 50 by securing members such as bolts.Bearing support 50 shown in figure is that a cross section is the rod member with kink of rectangle.It may occur to persons skilled in the art that, bearing support 50 can be designed to cross sectional shape and arbitrarily contour shape arbitrarily.In illustrated specific embodiment, the first end of bearing support 50 is provided with installing plate 501, and back rest 20 is correspondingly provided with the installed part 201 extending along sofa width.Installing hole on installing plate 501 aligns with the installing hole on installed part 201, by the securing members such as bolt are realized to being fixedly connected with between back rest 20 and bearing support 50 through the installing hole of alignment.The second end of bearing support 50 with guide rail bracket 30 in guide rail 300 activities be connected.In the embodiment shown in Fig. 2 and 3, bearing support 50 arranges obliquely with respect to the plane at guide rail 300 places.
Specifically referring to Fig. 2 and 3, guide rail 300 has the pair of guide rails element 300a extending in parallel, 300b, the second end of bearing support 50 is positioned at this in the gap between track element, and the second end of bearing support 50 be positioned at the track element 300a of its both sides, 300b is flexibly connected in mode that can relative sliding.In illustrated specific embodiment, it is inverted U-shaped connecting plate 502 that the second end of bearing support 50 is provided with cross section, in the outside of two shanks of this inverted U-shaped connecting plate 502, be fixedly connected with outwards outstanding wheel 5020, wheel 5020 stretches into and is formed on track element 300a, on 300b along guide rail groove 301a extending longitudinally, in 301b.Wheel 5020 can roll in corresponding groove.Advantageously, the A/F of groove is less than the diameter of wheel, therefore, makes in the stroke range of wheel, and wheel is limited in groove and can depart from and the engaging of groove.By the guiding of guide rail 300, the second end of bearing support 50 can move around along the bearing of trend of guide rail, and the back rest 20 being fixedly connected with bearing support 50 can move along the fore-and-aft direction of sofa, thereby it is dark to obtain different sofa seats.
Referring to Fig. 4, in the concave shaped space being limited by inverted U-shaped connecting plate 502, be provided with the slide block 503 being fixedly connected with it.Drive unit 40 for example electro-motor by transmission device for example push rod band movable slider 503 along the bearing of trend of guide rail, slide, drive thus the connecting plate 502 being fixedly connected with slide block 503 and therefore drive bearing support 50 and back rest 20 to move along the fore-and-aft direction of sofa, thereby making to regulate continuously sofa seat dark.In illustrated embodiment, transmission device for example push rod is arranged in the gap between paired track element, thereby makes to make full use of limited installing space.
In the embodiment that is electro-motor at drive unit, by the gauge tap of electro-motor, realize the forwards/reverse of motor and rotate, thereby realize the forward/backward of slide block.And when motor stops operating, the position of slide block is locked, thus, the position of back rest 20 is also locked, thereby has avoided the slippage of back rest when being subject to the back pressure that human body back applies.Because the control of electro-motor is relatively simple, only need several control buttons and corresponding control circuit just can realize, therefore, aspect operability, than traditional manual adjustments mode, there is significant advantage.And due to the continuity of guide rail, back rest allows stroke range internal shift can not be subject to any resistance at it, so it has stronger continuous modulability.In addition, the installation footprint of electro-motor is very little, and those skilled in the art can be arranged on electro-motor the lower area of seat frame from the angle of project organization compactness, or electro-motor is installed on guide rail bracket.In addition also transmission device can be arranged on guide rail bracket.Outward appearance, because the sofa of final molding is coated with fill-in pad on seat frame, the installation of electro-motor and guide rail bracket can't affect the attractive in appearance of sofa.Although drive unit is depicted as electro-motor in figure, it may occur to persons skilled in the art that adopt any device that the energy of the forms such as electric energy or mechanical energy can be changed into machine power output for example fluid pressure drive device substitute electro-motor.
Although the coordinating of the second end of bearing support shown in figure and guide rail be that the rolling in groove realizes by wheel, but, those skilled in the art are easy to expect, the second end of bearing support 50 and guide rail 300 coordinate also can by be designed to extend into projection in groove and guide rail groove inner surface be slidably matched realize.In addition, those skilled in the art are easy to expect, inverted U-shaped connecting plate also can be designed to have enough large span so that can be across paired track element, and is provided with projection and this projection and the groove fit of opening in the opposite direction being each other separately positioned on paired track element inwardly in the leg side of inverted U-shaped connecting plate.In another optional embodiment, the leg side of inverted U-shaped connecting plate also can be designed to have groove and be formed with for the ridge with this groove fit or ball on track element corresponding thereto.Therefore, the structure of the wheel-groove shown in the second end of bearing support and the fit structure of guide rail include but not limited to, but can be specifically embodied as any have complementation/interlocking shape, can relative sliding to realize the fit structure of guiding function.
Although the sofa shown in figure has two back rests 20 and corresponding bearing support and guide rail, but it may occur to persons skilled in the art that, number shown in the number of back rest is not limited to, for example, can arrange one or three, four or more back rest are set.Correspondingly, the number of number and bearing support can change thereupon.The position of these back rests can regulate respectively individually by same drive unit adjusted in concert or by different drive units, to meet multiple personal demand.
It may occur to persons skilled in the art that, when seat is dark, be adjusted to enough wide position, sofa can have the function couching, and no longer only has the function taking a seat, now, the meaning of the adjusting of position of back is to regulate the sofa degree of depth to adapt to the different demands that couches.
Certainly, disclosed in the utility model for regulate the structure of position of back also can be applied to regulate sofa left and right armrest positions, regulate the position of back of chair, the occasions such as bedside cupboard position of regulation bed.Various things to sit on, comprise that sofa, chair, bed etc. all can benefit from disclosed for regulating the application of the structure of position of back.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, can in the situation that not departing from scope of the present utility model, to device of the present utility model, make multiple improvement and modification.Those skilled in the art is by considering that in this description, disclosed content also can obtain other embodiment.This description and example only should be regarded as exemplary, and true scope of the present utility model is limited by claims and equivalent.
Reference numerals list
1 sofa
10 seat frames
20 back rests
201 installed parts
30 guide rail brackets
300 guide rails
300a, 300b track element
301a, 301b groove
301 anterior crossbeams
302 rear portion crossbeams
40 drive units
101 snake shaped steel spring structures
50 bearing supports
501 installing plates
502 connecting plates
5020 wheels
503 slide blocks
Claims (10)
1. the adjustable sofa of position of back, comprise seat frame, back rest, guide rail bracket and drive unit, wherein said guide rail bracket comprises the guide rail extending along sofa fore-and-aft direction being fixedly connected with described seat frame, the first end of one bearing support is connected with described back rest, the second end of this bearing support and described guide rail are connected in mode that can relative sliding, and described drive unit is arranged to be connected to guide the second end of described bearing support with respect to the slip of described guide rail with described bearing support.
2. sofa according to claim 1, is characterized in that, described drive unit is electro-motor.
3. sofa according to claim 1, is characterized in that, described guide rail bracket comprises anterior crossbeam and the rear portion crossbeam being fixedly connected with described seat frame, and the two ends of described guide rail are fixedly connected on respectively on anterior crossbeam and rear portion crossbeam.
4. according to the sofa one of claim 1-3 Suo Shu, it is characterized in that, described second end of described bearing support is provided with wheel, and described guide rail is provided with groove, and described wheel is rollably arranged in corresponding groove.
5. sofa according to claim 4, it is characterized in that, described second end of described bearing support is provided with connecting plate, relative both sides at this connecting plate are respectively provided with wheel, described guide rail has the pair of guide rails element extending in parallel, and each track element is provided with for receiving the groove of respective wheel along its direction extending longitudinally.
6. sofa according to claim 5, is characterized in that, described connecting plate is positioned in the gap between described pair of guide rails element.
7. sofa according to claim 6, is characterized in that, described drive unit is provided with transmission device, and this transmission device is described the second end to described bearing support by transmission of power, and described transmission device is arranged in the gap between described pair of guide rails element.
8. sofa according to claim 1, is characterized in that, the first end of described bearing support is provided with installing plate, is provided with the installing hole for removably connecting with described back rest on this installing plate.
9. according to the sofa one of claim 1-3 Suo Shu, it is characterized in that, described sofa comprises the corresponding back rest of quantity of a plurality of guide rails and number and guide rail.
10. sofa according to claim 9, is characterized in that, the position of each back rest is by same drive unit adjusted in concert or regulate separately by different drive units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350514.0U CN203399866U (en) | 2013-06-19 | 2013-06-19 | Sofa with adjustable backrest position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350514.0U CN203399866U (en) | 2013-06-19 | 2013-06-19 | Sofa with adjustable backrest position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203399866U true CN203399866U (en) | 2014-01-22 |
Family
ID=49935816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350514.0U Withdrawn - After Issue CN203399866U (en) | 2013-06-19 | 2013-06-19 | Sofa with adjustable backrest position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203399866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104223832A (en) * | 2013-06-19 | 2014-12-24 | 礼恩派(嘉兴)有限公司 | Sofa with position adjustable backrest |
-
2013
- 2013-06-19 CN CN201320350514.0U patent/CN203399866U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104223832A (en) * | 2013-06-19 | 2014-12-24 | 礼恩派(嘉兴)有限公司 | Sofa with position adjustable backrest |
| WO2014202013A1 (en) * | 2013-06-19 | 2014-12-24 | 礼恩派(嘉兴)有限公司 | Sofa having adjustable backrest position |
| US10098470B2 (en) | 2013-06-19 | 2018-10-16 | Leggett & Platt, Inc. | Sofa having adjustable backrest position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20170531 |
|
| AV01 | Patent right actively abandoned |