CN105291922B - Suppressible backrest - Google Patents
Suppressible backrest Download PDFInfo
- Publication number
- CN105291922B CN105291922B CN201510772237.6A CN201510772237A CN105291922B CN 105291922 B CN105291922 B CN 105291922B CN 201510772237 A CN201510772237 A CN 201510772237A CN 105291922 B CN105291922 B CN 105291922B
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- plate
- rear fixed
- fixed plate
- support plate
- backrest
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Special Chairs (AREA)
Abstract
The invention discloses a kind of suppressible backrests, including rear fixed plate, upper end and the hinged preceding backboard of the rear fixed plate, outer end and support plate hinged on the inside of the backboard, at least one notch is formed in the support plate, limition orientation plate is hinged in the notch, the other end of the limition orientation plate is hinged with rear fixed plate.The beneficial effects of the invention are as follows it is simple in structure, there is after mechanical stability is high, preceding backboard is packed up concealment effect, space can be saved.Meanwhile after preceding backboard pulls out, comfortable inclination of the seat backrest and rational seat surface depth can be formed, meets ergonomic designs' principle；Preceding backboard is when packing up, space can not only be saved, the seat face depth covered when also preceding backboard can be pulled out releases, seat face is made to form enough width, there is bed, seat or sofa are can be widely applied to, especially for the high occasion of space requirement, such as narrow and small parlor or caravan.
Description
Technical field
The present invention relates to caravan seat and sofa class seat manufacturing techniques field is occupied, more particularly to a kind of suppressible seat
Chair back.
Background technology
Seat or sofa are essential apparatus in people's daily life, although it has many display forms one
Money designs the seat for meeting human physiological structure, can improve the comfort level of human body.However, in some Sojourn house car seats and some
In the design of sofa class seat or because of narrow space or because seat is needed to take into account the reasons such as function of bed, some designs reduce or
The inclination angle of chair back is eliminated, some design the depth for increasing seat face, and the design of these existing defects sacrifices seat
Comfort level.In order to promote comfort level, some Sojourn house car seats and some sofa class seats can only be with so-called " back cushions " come more
The defects of more than benefit.For particularly Sojourn house car during traveling, seat design does not meet human physiological structure, easily makes one
Fatigue is generated, can also be caused to damage to human spine.
The content of the invention
The purpose of the present invention is be directed to Sojourn house car seat and sofa class seat to set at chair back inclination angle and seat face depth
Defect present on meter provides a kind of suppressible chair back, and it is rationally comfortable which can not only allow chair back to have
Inclination angle, and seat face can be allowed to keep rationally comfortable depth, there are enough width when seat face can also be allowed to be used as bed.
The technical solution adopted to achieve the purpose of the present invention is：
A kind of suppressible backrest, including rear fixed plate, upper end and the hinged preceding backboard of the rear fixed plate,
Outer end and support plate hinged on the inside of the backboard are formed at least one notch in the support plate, described
Limition orientation plate is hinged in notch, the other end of the limition orientation plate is hinged with rear fixed plate.
Notch there are two being correspondingly formed at the support plate two sides.
The undertaking that support plate that can be described in support is provided in the lower section that the support plate is held a little with rear fixed plate is put down
Platform.
The hinged articulated structure includes being integrally formed in preceding backboard, rear fixed plate, support plate or the limit
On the guide plate of position and the recess or tongue that are arranged in correspondence with, the lateral direction penetrating of the groove both sides and tongue end is formed in
Pin hole and the perforation pin hole to the axis pin that connects recess with tongue.
Being provided on the rear fixed plate in limition orientation plate hinge joint top allows the limition orientation plate embedding
Position cavity therein.
Being provided on the inside of the preceding backboard and support plate can be by the articulated structure phase of the limition orientation plate
The part protruded for the plate body of limition orientation plate is embedding containing groove therein.
Preceding backboard, rear fixed plate, support plate and the limition orientation plate is thin plate-shaped structure.
The preceding backboard aluminum alloy extrusion section bar；Rear fixed plate, support plate, limition orientation plate use stainless steel plate
Material makes.
The axis pin of the support plate and limition orientation plate is quick pin.
The bearing platform is folded upward at being formed by the base or opening edge of rear fixed plate, the bearing platform with
The angle of rear fixed plate with hold state support plate and rear fixed plate angle it is corresponding.
Compared with prior art, the beneficial effects of the invention are as follows：
The beneficial effects of the invention are as follows it is simple in structure, there is after mechanical stability is high, preceding backboard is packed up concealment effect, can
Save space.Meanwhile after preceding backboard pulls out, comfortable inclination of the seat backrest and rational seat surface depth can be formed, meets human body work
Cheng Xue design principles；Preceding backboard can not only save space, the chair covered when also preceding backboard can be pulled out when packing up
Seat surface depth releases, and seat face is made to form enough width, has the function of bed, can be widely applied to seat or sofa,
Especially for the high occasion of space requirement, such as narrow and small parlor or caravan.
Description of the drawings
Fig. 1 show the structure diagram of the suppressible backrest of the present invention；
Fig. 2 is preceding backboard front view；
Fig. 3 is the bottom view of preceding backboard；
Fig. 4 is support plate front view；
Fig. 5 is rear fixed plate front view；
Fig. 6 is /V guide plate front view；
Fig. 7 assembles left view for chair back；
Schematic diagram when Fig. 8 pulls open for chair back；
Schematic diagram when Fig. 9 packs up for chair back.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
As shown in figs 1-9, suppressible backrest of the invention include lamellar rear fixed plate 2, upper end with it is described
The hinged lamellar preceding backboard 1 of rear fixed plate, outer end and lamellar support plate 3 hinged on the inside of the backboard, it is described
Support plate on be formed at least one notch, lamellar limition orientation plate 4, the /V are hinged in the notch
The other end of guide plate is hinged with rear fixed plate.
It should be noted that " preceding " and " outer " in the present invention refers to the direction for pulling open preceding backboard, " rear " and " interior "
Refer to the direction of preceding backrest plate closing, "up" and "down" is opposite, and if necessary, "up" and "down" can exchange.
Wherein, the rear fixed plate is fixed on the afterframe of seat, is extended along the width of entire seat, when
So, also can only be set according to design in subregion, the hinge joint of the preceding backboard and rear fixed plate can be in rear fixed plate
Top or any appropriate middle and upper part position, the notch may be provided at Anywhere, certainly, using close to avris as
Easily.
The suppressible backrest of the present invention is to utilize 5 order of articulated structure similar to hinge respectively by rear fixed plate
It is articulated and connected with preceding backboard, preceding backboard and support plate, support plate and limition orientation plate, limition orientation plate and rear fixed plate,
The plate linkage for pulling out or packing up of a cycle connection is formed, the top of backboard is axially to transport to the chair back in the past
Activity supporting point can drive support plate and limition orientation plate to move together while preceding backboard is drawn out, when limition orientation plate turns over
Go to above support plate and when the end of support plate is mutually held with rear fixed plate, limition orientation plate both ends respectively with rear fixed plate and
The connection of support plate makes rear fixed plate, preceding backboard and support plate structure so that holding a little uniquely for support plate and rear fixed plate
Into with very strong stability support triangular structure, very big pressure can be carried, meets the requirement that human body relies on, is leaned on when wanting chair
When the back of the body is packed up, the back lower place of backboard, makes limition orientation plate overturn to support the picking-up of support plate gently before can reaching into
The lower section of plate, preceding backboard will lean on the gravity of itself, voluntarily return and pack up, and it is closely flat to pack up rear limition orientation plate and support plate
It goes or even partially overlaps.
The beneficial effects of the invention are as follows it is simple in structure, there is after mechanical stability is high, preceding backboard is packed up concealment effect, can
Save space.Meanwhile after preceding backboard pulls out, comfortable inclination of the seat backrest and rational seat surface depth can be formed, meets human body work
Cheng Xue design principles；Preceding backboard can not only save space, the chair covered when also preceding backboard can be pulled out when packing up
Seat surface depth a is released, and seat face is made to form enough width, has the function of bed.
Further, to improve stability of strutting system, it is provided in the lower section that the support plate is held a little with rear fixed plate
The bearing platform 7 of support plate downside that can be described in support, it is preferable that the support platform by rear fixed plate base or
Composition is open and then turns over, the support platform is inclined upwardly with respect to rear fixed plate, i.e., composition one is upper hook-shaped, can be effective
The whole formula support that reclines is carried out to the downside of support plate, meanwhile, when preceding backboard is closed with respect to rear fixed plate, support plate and
The hinge-type hinge joint of preceding backboard is embedded in the support platform 7, is formed a /V to preceding backboard, is prevented it
It voluntarily opens, moreover, support platform can also form preceding backboard one support, can mitigate and rear fixed plate and preceding backboard are connected
The stress at place is connect, reduces deformation, ensures the stability and fluency of product work.
Preferably, the bearing platform 7 is made of multiple interrupted undertaking sections, and every section on the outside skew back in base by bending
It is formed, two sections are accepted the opposite casting lug thereon between section to be fixedly connected with caravan car body or seat back frame.
The backrest of the present invention it is whole thick can effectively to reduce it as an accessory of existing armchair structure
Degree reduces the influence to existing design structure, and the present invention has further carried out very thin design, specifically, preceding backboard aluminium
Alloy extrudate makes；Rear fixed plate, support plate, limition orientation plate make of stainless steel materials, wherein, support plate and limit
Position guide plate designs for uniform thickness, and only several millimeters of each plate thickness, folding up integral thickness can control within ten millimeters, for optimization
Integral thickness controls after folding, includes the recess 8 being arranged in correspondence with and tongue 9 in the hinged hinge-type articulated structure,
And it is formed in the horizontal pin hole 10 of the groove both sides and tongue end, the pin of the horizontal pin hole described in through connection
Axis.Specifically, rear fixed plate, support plate, limition orientation plate and preceding backboard tie point difference integrated conjunction
The connection structure of page, i.e., only need to wear axis pin its connection can be realized, and using monoblock type multiple spot articulated structure, stability is strong.Even
Junction will certainly cause thickness at this to thicken because the setting of horizontal pin hole, therefore be set in the inside of the preceding backboard
Having can be embedding containing groove 12 therein by the part protruded at the slotting chamber of the articulated structure compared with plate body.Preferably, it is described
Support plate both sides be correspondingly formed there are two notch, the notch 15 of support plate is arranged on both sides, reduces difficulty of processing, just
In removing and installing, and two horizontal pin holes pair with limition orientation plate upper and lower ends respectively can be set directly on preceding backboard
The groove answered, can be further convenient for control integral thickness.Meanwhile the limit of the guiding after overturning is also equipped on the supporting plate
The clamped groove 14 therein of hinge joint opposing projections of position plate.
Further, in the limit being provided with limition orientation plate hinge joint top described in permission on the rear fixed plate
The position clamped cavity 13 therein of guide plate.Thickness caused by effectively so being set because of the articulated structure of limition orientation plate increases
Thickness, the chair back pack up after very thin thickness, have concealment effect.
As one of specific embodiment, rear fixed plate thickness is 1 millimeter, the thickness point of support plate and limition orientation plate
Wei not be 0.8 millimeter, except hinge joint has, prominent outer thickness is 4 millimeters to preceding backboard, after above-mentioned groove and cavity design structure,
Folding up integral thickness can control at 6.3 millimeters, this opens up the structures such as existing seat and caravan car body there are few influencing
It is apparent by effect after opening.Using slightly thick preceding backboard, the whole mechanical strength of backboard before adding, by comfort
By force, while it is convenient for increasing attached back cushion or spongy layer etc. to further improve comfort.
The method for installing chair back：
First the connection of rear fixed plate and limition orientation plate is pulled out with axis pin, so preceding backboard can be with rear fixation
Plate opens, and is easily installed.Then rear fixed plate is directly anchored to the after-frame of Sojourn house car car body or sofa class seat with screw
On frame, then the axis pin for connecting rear fixed plate and limition orientation plate is plugged again, installment work is accused and completed.Meanwhile to keep
Exterior appearance and fastness, rear fixed plate is set with respect to the fixed point of afterframe or caravan car body close to hinge joint, and is being limited
The position guide plate place of being connected thereto equally sets fixed point to prevent from deforming at this, improves integral strength.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of suppressible backrest, which is characterized in that hinged including rear fixed plate, upper end and the rear fixed plate
Preceding backboard, outer end and support plate hinged on the inside of the backboard are formed at least one notch in the support plate,
Limition orientation plate is hinged in the notch, the other end of the limition orientation plate is hinged with rear fixed plate, works as /V
Guide plate is overturn to above support plate and when the end of support plate is mutually held with rear fixed plate, rear fixed plate, preceding backboard and
Support plate forms stability support triangular structure.
2. suppressible backrest as described in claim 1, which is characterized in that at the support plate two sides accordingly
Notch there are two being formed.
3. suppressible backrest as described in claim 1, which is characterized in that in the support plate and rear fixed plate top
The lower section held a little is provided with the bearing platform of support plate that can be described in support.
4. suppressible backrest as described in claim 1, which is characterized in that the hinged articulated structure includes one
Body is formed in the recess or tongue on the preceding backboard, rear fixed plate, support plate or limition orientation plate and being arranged in correspondence with,
Pin hole and the perforation pin hole of the lateral direction penetrating of the recess both sides and tongue end are formed in by recess
The axis pin connected with tongue.
5. suppressible backrest as claimed in claim 4, which is characterized in that led on the rear fixed plate in /V
Being provided with to plate hinge joint top allows the clamped cavity therein of limition orientation plate.
6. suppressible backrest as claimed in claim 4, which is characterized in that in the preceding backboard and support plate
Inside be provided with and the articulated structure of the limition orientation plate embedding can be contained compared with the part that the plate body of limition orientation plate protrudes
Groove therein.
7. suppressible backrest as described in claim 1, which is characterized in that the preceding backboard, rear fixed plate, branch
Fagging and limition orientation plate are thin plate-shaped structure.
8. suppressible backrest as claimed in claim 7, which is characterized in that the preceding backboard is with aluminium alloy extruded
Section bar；Rear fixed plate, support plate, limition orientation plate make of stainless steel materials.
9. suppressible backrest as described in claim 1, which is characterized in that the support plate and limition orientation plate
Axis pin is quick pin.
10. suppressible backrest as claimed in claim 3, which is characterized in that the bearing platform is by rear fixed plate
Base or opening edge be folded upward at being formed, the angle of the bearing platform and rear fixed plate and hold the support plate of state with
The angle of rear fixed plate is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772237.6A CN105291922B (en) | 2015-11-12 | 2015-11-12 | Suppressible backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772237.6A CN105291922B (en) | 2015-11-12 | 2015-11-12 | Suppressible backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291922A CN105291922A (en) | 2016-02-03 |
| CN105291922B true CN105291922B (en) | 2018-05-29 |
Family
ID=55189990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510772237.6A Active CN105291922B (en) | 2015-11-12 | 2015-11-12 | Suppressible backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291922B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402775A (en) * | 2018-02-01 | 2018-08-17 | 海宁市承志产品设计有限公司 | A kind of adjustable bed upper backrest |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222263A (en) * | 1991-04-10 | 1993-06-29 | Flou S.P.A. | Upholstered element with continuously unidirectionally shapable flat internal frame |
| CN2693098Y (en) * | 2004-04-02 | 2005-04-20 | 东莞南亚家具有限公司 | Combined sofa with adjustable backrest obliquity |
| CN2860222Y (en) * | 2006-01-23 | 2007-01-24 | 李贵武 | Multifunctional push-pull studio couch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2347574Y (en) * | 1998-10-26 | 1999-11-10 | 李兆本 | Medical body aids |
| CN201577835U (en) * | 2010-01-05 | 2010-09-15 | 贾文柱 | Chair capable of adjusting support angle |
| CN203841364U (en) * | 2014-01-16 | 2014-09-24 | 华北电力大学 | Stepped chair |
| CN205256097U (en) * | 2015-11-12 | 2016-05-25 | 刘章巨 | Backrest that can hide |
-
2015
- 2015-11-12 CN CN201510772237.6A patent/CN105291922B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222263A (en) * | 1991-04-10 | 1993-06-29 | Flou S.P.A. | Upholstered element with continuously unidirectionally shapable flat internal frame |
| CN2693098Y (en) * | 2004-04-02 | 2005-04-20 | 东莞南亚家具有限公司 | Combined sofa with adjustable backrest obliquity |
| CN2860222Y (en) * | 2006-01-23 | 2007-01-24 | 李贵武 | Multifunctional push-pull studio couch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105291922A (en) | 2016-02-03 |
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