CN104605654B - The backrest structure of adjustable seat depth seat - Google Patents
The backrest structure of adjustable seat depth seat Download PDFInfo
- Publication number
- CN104605654B CN104605654B CN201510078207.5A CN201510078207A CN104605654B CN 104605654 B CN104605654 B CN 104605654B CN 201510078207 A CN201510078207 A CN 201510078207A CN 104605654 B CN104605654 B CN 104605654B
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- CN
- China
- Prior art keywords
- seat
- back part
- keel bracket
- expansion
- vertical pivot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
Landscapes
- Chairs Characterized By Structure (AREA)
Abstract
The present invention relates to a kind of part of sliding seat, disclose a kind of backrest structure of adjustable seat depth seat, including a keel bracket extended downwardly from seat vertical pivot and the back part extended approximately along human body back away from the perpendicular the tip of the axis of the seat positioned at the keel bracket；The end being connected with the back part of the keel bracket extends downwardly while extending to the seat both sides.The advantage of the invention is that, its back part has enough elasticity, more can perfectly be fitted human body back, the keel bracket of particular design has enough intensity, larger weight can be supported, the overall construction intensity of seat is improve, while also make the back part of seat more easily can be moved along seat vertical pivot.
Description
Technical field
The present invention relates to a kind of part of sliding seat, more particularly to a kind of backrest structure of adjustable seat depth seat can be with
As children for learning seat.
Background technology
Adjustable seat depth seat is a kind of seat for being used for office space, with can be with adjusting seat depth, backrest laminating people
Body back is known.But existing chair backrest structure cannot be perfectly suitable for the people of different building shape, therefore, some seats
Using mobilizable backrest structure, so as to realize the regulation to backrest structure, these mobilizable backrest structures improve seat
Structure complexity, improve the manufacturing cost of seat, meanwhile, the structure that whole seat is also reduced to a certain extent is strong
Degree.
In view of this, it is necessary to develop a kind of with more preferable intensity and with the backrest structure of more high degree of comfort.
The content of the invention
The present invention is for the not enough shortcoming of backrest structure intensity in the prior art, there is provided a kind of adjustable seat depth seat is leaned on
Back structure, by setting a specially designed keel bracket, greatly enhances the structural strength of seatback portion.Enter one
Step ground, by redesigning the planform of backrest, makes backrest have preferably elasticity, can fully according to human body back
Pressure is bent, so as to realize the purpose of laminating human body back.
To achieve the above object, the present invention can take following technical proposals：
A kind of backrest structure of adjustable seat depth seat, including a keel bracket extended downwardly from seat vertical pivot and be located at
The back part extended approximately along human body back away from the perpendicular the tip of the axis of the seat of the keel bracket；
The end being connected with the back part of the keel bracket while extending to the seat both sides to
Lower extension.
In embodiments herein, the back part includes a vertical component, one from the vertical component to seat
Side extends the expansion and a terminal part obtained to seat side continuation extension from the expansion for obtaining
Point；
The vertical component extends along human body back direction；
The expansion is a coiled structure, is existed in the lateral seat rear protrusion of the bearing of trend one of the vertical component
Expansion towards the side in front of seat forms a recessed structure that can accommodate human body side back；
The end section is crimped from a lateral edges of the expansion to seat front, and the curling of expansion
End is substantially presented a structure for extending forwards vertically towards seat front；
The height of the back part is since the expansion until the end section is gradually reduced.
In embodiments herein, the back part also includes one positioned at the back part towards seat rear
The reinforcement structure of side side；
The relatively described expansion of the reinforcement structure arches upward to seat rear；The arched part of the reinforcement structure it is upper
Lower two ends tilt to seat rear.
In embodiments herein, also including the soft of an elastic connection for being used for the keel bracket and back part
Property connector.
In embodiments herein, the flexible connecting member include alongst extend and generally in a horizontal direction
Wave structure；The wave structure includes the ripple glaze extended along the width of the flexible connecting member.
In embodiments herein, the keel bracket includes that one is almost parallel with the expansion of the backrest structure
The first supporting construction that ground extends；First supporting construction is located at the side of the direction back part of the keel bracket
Face.
In embodiments herein, the keel bracket is gradually toward dragon including one by the seat vertical pivot of the seat
Inclined second supporting construction of bone stent ends；Second supporting construction is positioned at the keel bracket away from the back-rest
The side divided.
In embodiments herein, the back part is symmetrically respectively in seat vertical pivot both sides.
In embodiments herein, the keel bracket is extended downwardly and close to the end along seat vertical pivot
Back part described in Shi Chaoxiang bends and makes the end towards the back part.
The present invention has following notable technique effect：
By setting a specially designed keel bracket, the structural strength of seatback portion is greatly enhanced.Enter
One step ground, by redesigning the planform of backrest, makes backrest have preferably elasticity, can fully according to human body back
Pressure bent so that realize fit human body back purpose.Additionally, the back part structure of seat has been obtained greatly
Simplify, can be arranged on any seat for possessing similar structures by the vertical pivot of seat, improve the simultaneous of whole backrest structure
Capacitive and versatility.Preferably, for children, the product has carried out special design to the compatibility of the product for children,
It is applicable 5 one full year of life above school-agers or the adolescents with learning in the growth stage is used, can be used to build child healthy learning ring
Border.
Further, flexible connecting member provides a connected mode with elasticity and sufficient intensity, further letter
The structure of whole seat is changed.Further, there is the ripple of middle part protrusion due to flexible connecting member, connector is not only improved
Intensity, and the ease for use and easy replaceability of connector can be improved.
Brief description of the drawings
Fig. 1 is the structural representation laterally observed by seat of the backrest structure of adjustable seat depth seat.
Fig. 2 is the structural representation observed by seat forward direction of the backrest structure of adjustable seat depth seat.
Fig. 3 is the structural representation observed by the oblique upper of seat of the backrest structure of adjustable seat depth seat.
Fig. 4 is the structural representation observed by seat top of the backrest structure of adjustable seat depth seat.
Fig. 5 is the thin portion structural representation observed by oblique upper of backrest structure.
Fig. 6 is the exploded perspective view of backrest structure.
Fig. 7 is the enlarged diagram of the flexible connecting member of backrest structure.
Fig. 8 is the structural representation of the laterally observed of keel bracket.
Fig. 9 is the structural representation observed on rear side of keel bracket.
Figure 10 is the structural representation that keel bracket is observed by oblique upper.
Figure 11 is the overlooking the structure diagram of keel bracket.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
Embodiment 1
A kind of backrest structure of adjustable seat depth seat, as shown in figs. 1-11, including one extends downwardly from seat vertical pivot 100
Keel bracket 200 and positioned at the end away from the seat vertical pivot 100 of the keel bracket 200 approximately along human body carry on the back
The back part 300 that portion extends.The backrest structure can apply to any seat with seat vertical pivot 100, it is adaptable to logical
Cross the seat that single seat vertical pivot 100 supports whole back cushion.The end of keel bracket 200 is expanded slightly, and end is by connecting
Fitting is connected with back part 300.
The end being connected with the back part 300 of the keel bracket 200 is extending to the seat both sides
Extend downwardly simultaneously.Front is observed, the keel bracket 200 except the sleeve portion 400 that is connected with seat vertical pivot 100 it
Outward, remainder stretches to the both sides of seat vertical pivot 100.
Further, the sleeve portion 400 of keel bracket 200 includes bushing 401, is arranged at the both sides of the bushing 401
Can along seat vertical pivot 100 direction insert bushing portable plate 402, be close to the outer surface of the bushing portable plate 402
Arc iron plate 403, the arc iron plate is fixedly connected to improve its intensity with bushing portable plate.The bushing portable plate 402 is used for solid
Determine arc iron plate 403, the arc iron plate 403 is used for the intensity of the side for strengthening keel bracket 200, and disperses its pressure at both sides.
The back part 300 is extended including a vertical component 310, from the vertical component 310 to seat side
To expansion 320 and continued to extend the end section that obtains to the seat side from the expansion 320
330.The vertical component 310, expansion 320 and end section 330 prolong respectively along the length direction of seat vertical pivot 100
Stretch.Connection between the vertical component 310, expansion 320 and the three of end section 330 is gradually transition.Especially
It is pointed out that the division between vertical component described above 310, expansion 320 and end section 330 is based on work(
Can on the division that carries out, in the present embodiment, particularly on actual product, three can be integrally manufactured, it is also possible to respectively
It is attached by various existing means after manufacture.Additionally, vertical component 310, expansion 320 and end section 330 are equal
Positioned at the side side near human body back of the back part 300.
The vertical component 310 extends along human body back direction；Vertical component 310 is located at the close people of back part 300
The marginal portion of body backbone, is generally presented vertical shape.
The expansion 320 is a coiled structure, at the lateral seat rear of the bearing of trend one of the vertical component 310
Protrude and form a recessed structure that can accommodate human body side back towards the side in front of seat in expansion 320.
Expansion 320 can be regarded as a part for a hollow circle tube structure extended along the direction of seat vertical pivot 100, the extension
The part of the direction both sides along seat vertical pivot 100 of part 320 crimps slightly to seat front respectively.
The end section 330 is crimped from a lateral edges of the expansion 320 to seat front, and expansion
The end of 320 curling is substantially presented a structure for extending forwards vertically towards seat front.The end section 330 is one suitable
The curling for expansion 320 continues the part extended to seat front.
The height of the back part 300 is since the expansion 320 until the end section 330 gradually subtracts
Small, especially, the height of the part of the close seat both sides of back part 300 is gradually reduced.If back part 300 or so is right
It is respectively in the both sides of seat vertical pivot 100 with claiming, then only the height of the side away from seat vertical pivot 100 of back part 300 is gradually
Ground reduces.
Further, the lower end of the vertical component 310, expansion 320 and end section 330 is respectively facing seat
Rear curling is tilted, and forms a horizontal contrary flexure part 340 for rearward crimping for the bottom for being located at back part 300.Especially
It is, the lower section side of the contrary flexure part 340 and the reinforcement structure towards seat rear side side for being located at back part 300
The common curling to seat rear of 350 same lower section lateral section tilts, additionally, reinforcement structure 350 is compared in contrary flexure part 340
Amount of crimp it is greater.
The back part 300 also includes the adding towards seat rear side side for being located at the back part 300
Strong structure 350；The reinforcement structure 350 is the structural strength for improving whole backrest structure, especially in the backrest structure
Front side formed curved surface after, be supported by the reinforcement structure 350.The reinforcement structure 350 is generally along human body
What the direction at back was extended.As a kind of preferred scheme, the relatively described expansion 320 of the reinforcement structure 350 to
Arch upward at seat rear, it should be pointed out that arching upward for reinforcement structure 350 is for expansion 320, in structure
Formed along a vertical bar projection of the vertical component 310；Further, in order to improve intensity, the reinforcement structure
The upper and lower ends of 350 arched part are tilted to seat rear, form two ends recurved structures backward.
Also include the flexible connecting member 500 of an elastic connection for being used for the keel bracket 200 and back part 300.
The flexible connecting member 500 is a device with certain elasticity.As a kind of preferred scheme, the flexible connecting member 500 it is transversal
Face is generally presented square, in order to improve the intensity of the flexible connecting member 500, flexible connecting member 500 through simultaneously
A rigidity bar 501 is added, one end of the rigidity bar 501 is fixedly connected with seat vertical pivot 100, the other end is simultaneously as connector
Flexible connecting member 500 is set to be fixedly connected with back part 300.
Further, using plug-connection structure realization and the connection of keel bracket 200, the flexibility is even for the flexible connecting member 500
Fitting 500 inserts the respective card slot in plug-connection structure from top to down, thus realize connection, reduce keel bracket 200 with it is soft
Property connector 500 between install difficulty.
The flexible connecting member 500 includes alongst extending and wave structure 502 generally in a horizontal direction, i.e.,
The wavy shaped configuration is arranged at the top of above-mentioned flexible connecting member 500, by the upper side for improving flexible connecting member 500
Surface area improve its elasticity；The wave structure 502 includes the ripple extended along the width of the flexible connecting member 500
Slippage 502a, specifically, ripple glaze 502a is laterally raised.
The keel bracket 200 include one extend substantially in parallel with the expansion 320 of the backrest structure first
Supporting construction 210；First supporting construction 210 is located at the side of the direction back part 300 of the keel bracket 200
Face.
The keel bracket 200 is gradually toward the end of keel bracket 200 including one by the seat vertical pivot 100 of the seat
Inclined second supporting construction 220；Second supporting construction 220 is positioned at the keel bracket 200 away from the back-rest
Divide 300 side.
First supporting construction 210 and the second supporting construction 220 have respectively constituted the side of the front and rear both sides of keel bracket 200
Face.
The back part 300 is symmetrically respectively in the both sides of seat vertical pivot 100.The back part 300 of the left and right sides
The both sides at the back of support human body are corresponded to respectively, and the spine portion of human body is then located at the gap of the back part 300 of both sides,
Improve the comfort level of human body.
Further, in order to improve the structure of keel bracket 200, observed by side, the keel bracket 200
It is bent downwardly and extends and when close to the end 230 towards the backrest towards seat front along seat vertical pivot 100
During part 300, bent again towards seat front and finally make the end 230 towards the back part 300.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, should all belong to the covering scope of patent of the present invention.
Claims (6)
1. the backrest structure of a kind of adjustable seat depth seat, it is characterised in that including from seat vertical pivot（100）The dragon for extending downwardly
Bone support（200）And positioned at the keel bracket（200）Away from the seat vertical pivot（100）End approximately along people
The back part that body back extends（300）；
The keel bracket（200）With the back part（300）The end being connected is extending to the seat both sides
Extend downwardly simultaneously；
The back part（300）Including a vertical component（310）, one by the vertical component（310）Extend to seat side
The expansion for obtaining（320）And one by the expansion（320）Continue to extend the end for obtaining to the seat side
Part（330）；
The vertical component（310）Extend along human body back direction；
The expansion（320）It is a coiled structure, in the vertical component（310）The lateral seat rear of bearing of trend one
Protrusion is in expansion（320）Form a recessed knot that can accommodate human body side back towards the side in front of seat
Structure；
The end section（330）From the expansion（320）A lateral edges crimped to seat front, and expansion
（320）The end of curling the structure that extends forwards vertically is substantially presented towards seat front；
The back part（300）Height from the expansion（320）Start until the end section（330）Gradually subtract
It is small；
Also include that one is used for the keel bracket（200）And back part（300）Elastic connection flexible connecting member
（500）；The flexible connecting member（500）Including alongst extending and wave structure generally in a horizontal direction（502）；
The wave structure（502）Including along the flexible connecting member（500）Width extend ripple glaze.
2. backrest structure according to claim 1, it is characterised in that the back part（300）Also include that one is located at institute
State back part（300）The reinforcement structure towards seat rear side side（350）；
The reinforcement structure（350）Relatively described expansion（320）Arched upward to seat rear；The reinforcement structure（350）'s
The upper and lower ends of arched part are tilted to seat rear.
3. backrest structure according to claim 1, it is characterised in that the keel bracket（200）Leaned on described including one
The expansion of back structure（320）The first supporting construction for extending substantially in parallel（210）；First supporting construction（210）
Positioned at the keel bracket（200）The direction back part（300）Side.
4. the backrest structure according to claim 1 or 3, it is characterised in that the keel bracket（200）Including one by institute
State the seat vertical pivot of seat（100）It is gradually toward keel bracket（200）Inclined second supporting construction in end（220）；It is described
Second supporting construction（220）Positioned at the keel bracket（200）Away from the back part（300）Side.
5. backrest structure according to claim 1, it is characterised in that the back part（300）Symmetrically divide row
In seat vertical pivot（100）Both sides.
6. backrest structure according to claim 1, it is characterised in that the keel bracket（200）Along seat vertical pivot
（100）Extend downwardly and close to the end（230）Back part described in Shi Chaoxiang（300）Bend and make the end
（230）Towards the back part（300）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078207.5A CN104605654B (en) | 2015-02-13 | 2015-02-13 | The backrest structure of adjustable seat depth seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078207.5A CN104605654B (en) | 2015-02-13 | 2015-02-13 | The backrest structure of adjustable seat depth seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104605654A CN104605654A (en) | 2015-05-13 |
| CN104605654B true CN104605654B (en) | 2017-06-13 |
Family
ID=53140527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510078207.5A Active CN104605654B (en) | 2015-02-13 | 2015-02-13 | The backrest structure of adjustable seat depth seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104605654B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008378B (en) * | 2018-09-13 | 2024-04-05 | 安吉县盛信办公家具有限公司 | Movable support body connection structure suitable for seat |
Citations (6)
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|---|---|---|---|---|
| US5887946A (en) * | 1997-01-03 | 1999-03-30 | Raftery Design, Inc. | Chair with movable back support |
| CN101478895A (en) * | 2006-06-29 | 2009-07-08 | 罗德&格拉尔有限公司 | Back rest for a stool or a chair, and stool or chair provided with such a back rest |
| CN201328563Y (en) * | 2008-12-09 | 2009-10-21 | 苏州帝雅思办公家具有限公司 | Office chair |
| CN201468584U (en) * | 2009-08-22 | 2010-05-19 | 青岛草原家具有限公司 | Double-backrest chair |
| CN202477016U (en) * | 2011-09-28 | 2012-10-10 | 黄千祐 | Double-back office chair |
| CN204467516U (en) * | 2015-02-13 | 2015-07-15 | 杭州护童科技有限公司 | The backrest structure of the dark seat of adjustable seat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456554Y (en) * | 2001-01-15 | 2001-10-31 | 冯德宇 | New chair back |
| KR100981057B1 (en) * | 2008-03-28 | 2010-09-08 | 김동진 | Conjoin frame for chair |
| KR20110027316A (en) * | 2009-09-10 | 2011-03-16 | (주)제일씨텍 | Joining structure of the back for chair |
| CN201968196U (en) * | 2010-12-01 | 2011-09-14 | 陈清福 | Adjustable back cushion |
| CN104207517A (en) * | 2014-09-22 | 2014-12-17 | 安吉县聚源家具有限公司 | Comfortable seat |
-
2015
- 2015-02-13 CN CN201510078207.5A patent/CN104605654B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887946A (en) * | 1997-01-03 | 1999-03-30 | Raftery Design, Inc. | Chair with movable back support |
| CN101478895A (en) * | 2006-06-29 | 2009-07-08 | 罗德&格拉尔有限公司 | Back rest for a stool or a chair, and stool or chair provided with such a back rest |
| CN201328563Y (en) * | 2008-12-09 | 2009-10-21 | 苏州帝雅思办公家具有限公司 | Office chair |
| CN201468584U (en) * | 2009-08-22 | 2010-05-19 | 青岛草原家具有限公司 | Double-backrest chair |
| CN202477016U (en) * | 2011-09-28 | 2012-10-10 | 黄千祐 | Double-back office chair |
| CN204467516U (en) * | 2015-02-13 | 2015-07-15 | 杭州护童科技有限公司 | The backrest structure of the dark seat of adjustable seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104605654A (en) | 2015-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180321 Address after: 313300 Huzhou City, Huzhou City, Anji County Changshuo Street chair industry Road No. 208 1, 2, 3, 4 Patentee after: Zhejiang Anji Totguard Furniture Co., Ltd. Address before: Two 310030 Hangzhou Road, Zhejiang province Xihu District Xiyuan No. 1 building two layer two Patentee before: HANGZHOU TOTGUARD TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 475 longwangxi North Road, Dipu street, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Hutong Ergonomics Technology Co., Ltd Address before: 313300, 1, 2, 3, 4, 208 chair Road, Chang Shuo street, Anji County, Zhejiang, Huzhou Patentee before: ZHEJIANG ANJI TOTGUARD FURNITURE Co.,Ltd. |
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| CP03 | Change of name, title or address |