CN105291922A - Seat back capable of being hidden - Google Patents
Seat back capable of being hidden Download PDFInfo
- Publication number
- CN105291922A CN105291922A CN201510772237.6A CN201510772237A CN105291922A CN 105291922 A CN105291922 A CN 105291922A CN 201510772237 A CN201510772237 A CN 201510772237A CN 105291922 A CN105291922 A CN 105291922A
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- Prior art keywords
- plate
- seat
- rear fixed
- stay bearing
- fixed plate
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Special Chairs (AREA)
Abstract
The invention discloses a seat back capable of being hidden. The seat back comprises a rear fixed plate, a front back plate with the upper end hinged to the rear fixed pate, and a supporting plate with the outer end hinged to the inner side of the back plate, wherein at least one notch is formed in the supporting plate, a limiting guide plate is hinged to the interior of each notch, and the other end of each limiting guide plate is hinged to the rear fixed plate. The seat back has the advantages that structure is simple, mechanical stability is high, and the front back plate can be hidden after being put away so that space can be saved; meanwhile, after the front back plate is pulled out, a comfortable back tilt angle and a reasonable seat surface depth which accord with the ergonomic design principle can be formed; when the front back plate is put away, space can be saved, and the seat surface depth which is covered when the front back plate is pulled out can be released so that the seat surface can be wide enough to serve as a bed. The seat back can be widely applied to seats or sofas, especially places with high space requirements such as narrow sitting rooms and motor homes.
Description
Technical field
The present invention relates to and occupy caravan seat and sofa class seat manufacturing techniques field, particularly relate to a kind of suppressible back of seat.
Background technology
Seat or sofa are requisite apparatus in people's daily life, although it has a design of a lot of display forms to meet the seat of human physiological structure, can improve the comfort level of human body.But, in the design of some Sojourn house car seats with some sofa class seats, or because of narrow space or because needing seat to take into account the reasons such as the function of bed, some design reduces or eliminates the inclination angle of chair back, some design increases the degree of depth in seat support face, the design of these existing defects, sacrifices the comfort level of seat.In order to promote comfort level, some Sojourn house car seats and some sofa class seats can only make up above defect with so-called " back cushion ".Particularly Sojourn house car is in the process travelled, and seat design does not meet human physiological structure, very easily makes people produce fatigue, also can cause damage to human spine.
Summary of the invention
The object of the invention is the defect existed on chair back inclination angle and seat support face depth design for Sojourn house car seat and sofa class seat, a kind of suppressible chair back is provided, this chair back not only can allow chair back have rationally comfortable inclination angle, the degree of depth that seat support face can be allowed again to keep rationally comfortable, has enough width when seat support face can also be allowed to use as bed.
The technical scheme adopted for realizing object of the present invention is:
A kind of suppressible back of seat, comprise the front back board that rear fixed plate, upper end and described rear fixed plate are hinged, stay bearing plate hinged inside outer end and described back board, described stay bearing plate is formed with at least one breach, in described breach, be hinged with spacing guide plate, the other end and the rear fixed plate of described spacing guide plate are hinged.
Described stay bearing plate dual-side place is formed with two breach accordingly.
Being provided with in described stay bearing plate and the rear fixed plate below held a little can the bearing platform of stay bearing plate described in support.
Described hinged articulated structure comprises and being integrally formed on described front back board, rear fixed plate, stay bearing plate or spacing guide plate and the recess arranged accordingly or convex tongue, be formed in the pin-and-hole of the lateral direction penetrating of described groove both sides and convex tongue end, and the through described bearing pin of pin-and-hole in order to recess is connected with convex tongue.
Described rear fixed plate is provided with in spacing guide plate hinge-point top the clamped cavity wherein of spacing guide plate described in permission.
To be provided with the part articulated structure of described spacing guide plate can protruded relative to the plate body of spacing guide plate embedding containing groove wherein in the inner side of back board and stay bearing plate before described.
Described front back board, rear fixed plate, stay bearing plate and spacing guide plate are thin plate-shaped structure.
Described front back board aluminum alloy extrusion section bar; Rear fixed plate, stay bearing plate, spacing guide plate all make of stainless steel materials.
The bearing pin of described stay bearing plate and spacing guide plate is sell fast.
Described bearing platform is upwards bent to form by the base of rear fixed plate or opening edge, and described bearing platform is corresponding with the angle of the stay bearing plate and rear fixed plate that hold state with the angle of rear fixed plate.
Compared with prior art, the invention has the beneficial effects as follows:
The invention has the beneficial effects as follows that structure is simple, mechanical stability is high, front back board has concealment effect after packing up, can space be saved.Meanwhile, after front back board pull-out, comfortable backrest inclination angle and the rational seat surface degree of depth can be formed, meet ergonomic designs's principle; Front back board is when packing up, not only space can be saved, also the seat support face degree of depth covered during front back board pull-out can be discharged, seat support face is made to form enough width, there is the function of bed, seat or sofa can be widely used in, especially for the occasion that space requirement is high, as narrow and small parlor or caravan etc.
Accompanying drawing explanation
Figure 1 shows that the structural representation of suppressible back of seat of the present invention;
Fig. 2 is front back board front view;
Fig. 3 is the upward view of front back board;
Fig. 4 is stay bearing plate front view;
Fig. 5 is rear fixed plate front view;
Fig. 6 is spacing guide plate front view;
Fig. 7 is chair back assembling left view;
Fig. 8 is the schematic diagram of chair back when pulling open;
Fig. 9 is the schematic diagram of chair back when packing up.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in figs 1-9, suppressible back of seat of the present invention comprises the hinged lamellar front back board 1 of lamellar rear fixed plate 2, upper end and described rear fixed plate, lamellar stay bearing plate 3 hinged inside outer end and described back board, described stay bearing plate is formed with at least one breach, in described breach, be hinged with lamellar spacing guide plate 4, the other end and the rear fixed plate of described spacing guide plate are hinged.
It should be noted that, " front " and " outward " in the present invention refers to the direction pulled open by front back board, and " afterwards " and " interior " refers to that "up" and "down" is relative, and where necessary, "up" and "down" can be exchanged by front back board closed direction.
Wherein, described rear fixed plate is fixed on the rear frame of seat, its Width along whole seat extends, certainly, also only can arrange in subregion according to design, described front back board and the hinge-point of rear fixed plate can in the positions, middle and upper part of the top of rear fixed plate or any appropriate, and described breach can be arranged on Anywhere, certainly, with near avris be easy.
Suppressible back of seat of the present invention utilizes articulated structure 5 order being similar to hinge respectively by rear fixed plate and front back board, front back board and stay bearing plate, stay bearing plate and spacing guide plate, spacing guide plate and rear fixed plate are articulated and connected, form the tabular connecting rod mechanism pulling out or pack up that a circulation connects, before this chair back, the top of back board is axial motion fulcrum, stay bearing plate can be driven while front back board is drawn out to move together with spacing guide plate, when spacing guide plate turn to above stay bearing plate and the end of stay bearing plate holds mutually with rear fixed plate, spacing guide plate two ends make holding of stay bearing plate and rear fixed plate a little unique respectively with the connection of rear fixed plate and stay bearing plate, make rear fixed plate, front back board and stay bearing plate formation have very strong stability support triangular structure, very large pressure can be carried, meet the requirement of human body dependence, when wanting chair back to pack up, the back lower place of front back board can be reached into, spacing guide plate is made to turn to the below of stay bearing plate stay bearing plate picking-up gently, front back board will lean on self gravity, return packing up voluntarily, pack up rear spacing guide plate closely parallel with stay bearing plate and even partially overlap.
The invention has the beneficial effects as follows that structure is simple, mechanical stability is high, front back board has concealment effect after packing up, can space be saved.Meanwhile, after front back board pull-out, comfortable backrest inclination angle and the rational seat surface degree of depth can be formed, meet ergonomic designs's principle; Front back board, when packing up, not only can save space, also the seat support face degree of depth a covered during front back board pull-out can be discharged, make seat support face form enough width, have the function of bed.
Further, for improving stability of strutting system, being provided with in described stay bearing plate and the rear fixed plate below held a little can the bearing platform 7 of stay bearing plate downside described in support, preferably, described support platform by the base of rear fixed plate or opening then on turn over and form, the relative rear fixed plate of described support platform is inclined upwardly, namely formation one is upper hook-shaped, it effectively can carry out the support of integral plaster reclining to the downside of stay bearing plate, simultaneously, when the relative rear fixed plate of front back board closes, the hinge-type hinge-point of stay bearing plate and front back board is embedded in described support platform 7, form spacing to front back board, prevent it from opening voluntarily, and, support platform also can form a support to front back board, what can alleviate rear fixed plate and front back board junction is stressed, reduce distortion, ensure stability and the fluency of product work.
Preferably, described bearing platform 7 is made up of multiple undertaking section intermittently, and every section is bent to form by the outside skew back in base, and the relative casting lug thereon between two sections of undertaking sections is in order to be fixedly connected with caravan car body or seat back frame.
Back of seat of the present invention, can be used as an accessory of existing armchair structure, can effectively reduce its integral thickness, reduce the impact on existing project organization, the present invention has carried out very thin design further, and specifically, front back board aluminum alloy extrusion section bar makes; Rear fixed plate, stay bearing plate, spacing guide plate all make of stainless steel materials, wherein, stay bearing plate and spacing guide plate design for uniform thickness, each plate thickness only several millimeters, folding up integral thickness can control within ten millimeters, controlling, comprising the recess 8 and convex tongue 9 that arrange accordingly at described hinged hinge-type articulated structure for optimizing folding rear integral thickness, and be formed in the horizontal pin-and-hole 10 of described groove both sides and convex tongue end, the bearing pin of the horizontal pin-and-hole described in through connection.Specifically, in the connection structure of the hinge of the point of connection difference integrated of rear fixed plate, stay bearing plate, spacing guide plate and front back board, namely only need to wear bearing pin and can realize its connection, adopt integral type multiple spot articulated structure, stability is strong.Point of connection place, because the setting of horizontal pin-and-hole, will certainly cause this place's thickness to thicken, therefore the inner side of back board is provided with the embedding groove 12 contained wherein of part that the slotting chamber place of described articulated structure can be protruded relative to plate body before described.Preferably, described stay bearing plate both sides are formed with two breach accordingly, the breach 15 of stay bearing plate is arranged on both sides, reduce difficulty of processing, be convenient to remove and install, and two corresponding with the horizontal pin-and-hole at the upper and lower two ends of spacing guide plate respectively grooves can be directly set on front back board, can be convenient to further control integral thickness.Meanwhile, be also provided with on the supporting plate in order to the clamped groove 14 wherein of hinge-point opposing projections by the guide and limit plate after upset.
Further, on described rear fixed plate in spacing guide plate hinge-point top is provided with the clamped cavity 13 wherein of spacing guide plate described in permission.Like this can effectively by because the articulated structure of spacing guide plate arrange the thickness caused and thicken, this chair back pack up after very thin thickness, there is concealment effect.
As one of them specific embodiment, rear fixed plate thickness is 1 millimeter, the thickness of stay bearing plate and spacing guide plate is respectively 0.8 millimeter, except hinge-point has, outstanding outer thickness is 4 millimeters to front back board, after adopting above-mentioned groove and cavity project organization, folding up integral thickness can control at 6.3 millimeters, and this is several obvious without the dependence effect after impact still expansion on structures such as existing seat and caravan car bodies.Adopt slightly thick front back board, add the overall mechanical strength of front back board, rely on comfort strong, be convenient to increase attached back cushion or spongy layer etc. to improve traveling comfort further simultaneously.
The method of chair back is installed:
First pulled out by the connection bearing pin of rear fixed plate and spacing guide plate, like this, back board just can open with rear fixed plate, is convenient to install.Then be directly fixed on the rear frame of Sojourn house car car body or sofa class seat by rear fixed plate with screw, and then be plugged by the bearing pin connecting rear fixed plate and spacing guide plate, namely erection work has accused.Meanwhile, for keeping exterior appearance and fastness, the attachment point of the relative rear frame of rear fixed plate or caravan car body is all close to hinge-point and arranges, and is out of shape to prevent this place at the spacing guide plate attachment point that arranges same with its junction, improves bulk strength.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a suppressible back of seat, it is characterized in that, comprise the front back board that rear fixed plate, upper end and described rear fixed plate are hinged, stay bearing plate hinged inside outer end and described back board, described stay bearing plate is formed with at least one breach, in described breach, be hinged with spacing guide plate, the other end and the rear fixed plate of described spacing guide plate are hinged.
2. suppressible back of seat as claimed in claim 1, is characterized in that, described stay bearing plate dual-side place is formed with two breach accordingly.
3. suppressible back of seat as claimed in claim 1, is characterized in that, being provided with in described stay bearing plate and the rear fixed plate below held a little can the bearing platform of stay bearing plate described in support.
4. suppressible back of seat as claimed in claim 1, it is characterized in that, described hinged articulated structure comprises and being integrally formed on described front back board, rear fixed plate, stay bearing plate or spacing guide plate and the recess arranged accordingly or convex tongue, be formed in the pin-and-hole of the lateral direction penetrating of described groove both sides and convex tongue end, and the through described bearing pin of pin-and-hole in order to recess is connected with convex tongue.
5. suppressible back of seat as claimed in claim 4, is characterized in that, described rear fixed plate is provided with in spacing guide plate hinge-point top the clamped cavity wherein of spacing guide plate described in permission.
6. suppressible back of seat as claimed in claim 4, it is characterized in that, to be provided with the part articulated structure of described spacing guide plate can protruded relative to the plate body of spacing guide plate embedding containing groove wherein in the inner side of back board and stay bearing plate before described.
7. suppressible back of seat as claimed in claim 1, is characterized in that, described front back board, rear fixed plate, stay bearing plate and spacing guide plate are thin plate-shaped structure.
8. suppressible back of seat as claimed in claim 7, is characterized in that, described front back board aluminum alloy extrusion section bar; Rear fixed plate, stay bearing plate, spacing guide plate all make of stainless steel materials.
9. suppressible back of seat as claimed in claim 1, is characterized in that, the bearing pin of described stay bearing plate and spacing guide plate is sell fast.
10. suppressible back of seat as claimed in claim 3, it is characterized in that, described bearing platform is upwards bent to form by the base of rear fixed plate or opening edge, and described bearing platform is corresponding with the angle of the stay bearing plate and rear fixed plate that hold state with the angle of rear fixed plate.
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 true CN105291922A (en) | 2016-02-03 |
| CN105291922B 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) |
Cited By (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 (7)
| 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 |
| CN2347574Y (en) * | 1998-10-26 | 1999-11-10 | 李兆本 | Medical body aids |
| 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 |
| 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 (7)
| 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 |
| CN2347574Y (en) * | 1998-10-26 | 1999-11-10 | 李兆本 | Medical body aids |
| 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 |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105291922B (en) | 2018-05-29 |
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