CN104605654A - Backrest structure of seat with adjustable seat depth - Google Patents
Backrest structure of seat with adjustable seat depth Download PDFInfo
- Publication number
- CN104605654A CN104605654A CN201510078207.5A CN201510078207A CN104605654A CN 104605654 A CN104605654 A CN 104605654A CN 201510078207 A CN201510078207 A CN 201510078207A CN 104605654 A CN104605654 A CN 104605654A
- Authority
- CN
- China
- Prior art keywords
- seat
- back part
- keel bracket
- expansion
- backrest
- 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.)
- Granted
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Classifications
-
- 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 invention relates to a part of a movable seat and discloses a backrest structure of a seat with an adjustable seat depth. The backrest structure comprises a keel bracket which extends downwards from the axial direction of a vertical shaft of the seat, and a backrest part which is located at the tail end, far away from the vertical shaft of the seat, of the keel bracket and roughly extends along the back of a human body, wherein the tail end, connected with the backrest part, of the keel bracket extends downwards while extending towards the two sides of the seat. The backrest structure has the advantages that the backrest part has enough elasticity, and can be relatively perfectly fitted with the back part of the human body; the keel bracket with the special design has enough strength and can support relatively heavy weight, so that the whole structure strength of the seat is improved; and meanwhile, the backrest part of the seat can more easily move along the vertical shaft of the seat.
Description
Technical field
The present invention relates to a kind of parts of sliding seat, particularly the backrest structure of the dark seat of a kind of adjustable seat, can as children for learning seat.
Background technology
The dark seat of adjustable seat is a kind of seat being used for office space, and with can adjusting seat depth, backrest laminating human body back be known.But existing chair backrest structure cannot be applicable to the people of different building shape well, for this reason, some seat adopts mobilizable backrest structure, thus the adjustment realized backrest structure, these mobilizable backrest structures improve the structure complexity of seat, improve the manufacturing cost of seat, meanwhile, also reduce the structural strength of whole seat to a certain extent.
In view of this, be necessary to develop and a kind ofly there is better intensity and there is the backrest structure of more high degree of comfort.
Summary of the invention
The present invention is directed to the shortcoming of backrest structure intensity deficiency in prior art, provide the backrest structure of the dark seat of a kind of adjustable seat, by arranging a specially designed keel bracket, greatly enhancing the structural strength of seatback portion.Further, by redesigning the planform of backrest, making backrest have better elasticity, fully can bend according to the pressure of human body back, thus realizing the object of laminating human body back.
For achieving the above object, the present invention can take following technical proposals:
A backrest structure for the dark seat of adjustable seat, comprise one from seat vertical pivot to the keel bracket of downward-extension and be positioned at described keel bracket away from described seat erect the tip of the axis roughly along human body back extend back part;
The end be connected with described back part of described keel bracket while extending to described seat both sides to downward-extension.
In the embodiment of the application, described back part comprises a vertical component, and to extend by described vertical component the expansion and obtained to seat side and continued to extend the end section obtained to described seat side by described expansion;
Described vertical component extends along human body back direction;
Described expansion is a coiled structure, protrudes form in the side towards seat front of expansion the recessed structure that can be held back, human body side in the bearing of trend side of described vertical component to seat rear;
Described end section is curling to seat front from a lateral edges of described expansion, and the curling end of expansion roughly presents a structure vertically forwards extended towards seat front;
The height of described back part starts until described end section reduces gradually from described expansion.
In the embodiment of the application, described back part also comprises the reinforcement structure towards side, side, seat rear that is positioned at described back part;
The relatively described expansion of described reinforcement structure arches upward to seat rear; The two ends up and down of the arched part of described reinforcement structure tilt to seat rear.
In the embodiment of the application, also comprise a flexible connecting member connected for the elasticity of described keel bracket and back part.
In the embodiment of the application, described flexible connecting member comprises and alongst extending and wave structure roughly in the horizontal direction; Described wave structure comprises the ripple glaze that the width along described flexible connecting member extends.
In the embodiment of the application, described keel bracket comprises first supporting construction extended substantially in parallel with the expansion of described backrest structure; Described first supporting construction is positioned at the side towards described back part of described keel bracket.
In the embodiment of the application, described keel bracket comprises one by the seat vertical pivot of described seat little by little towards the second supporting construction of keel bracket end tilts; Described second supporting construction is positioned at the side away from described back part of described keel bracket.
In the embodiment of the application, described back part is symmetrically respectively in seat vertical pivot both sides.
In the embodiment of the application, described keel bracket is along seat vertical pivot to downward-extension and close to bending towards described back part during described end and making described end towards described back part.
The present invention has following remarkable technique effect:
By arranging a specially designed keel bracket, greatly enhance the structural strength of seatback portion.Further, by redesigning the planform of backrest, making backrest have better elasticity, fully can bend according to the pressure of human body back, thus realizing the object of laminating human body back.In addition, the back part structure of seat obtains great simplification, can be arranged on and anyly have on the seat of similar structures, improve compatibility and the versatility of whole backrest structure by the vertical pivot of seat.The compatibility of this product is better, and for children, this product has carried out special design for children, is suitable for 5 one full year of life above school-agers or is in the adolescents with learning of growth stage to use, and can be used for building child healthy learning environment.
Further, flexible connecting member provides the connected mode that has elasticity and sufficient intensity, simplifies the structure of whole seat further.Further, because flexible connecting member has the outstanding ripple in middle part, not only improve the intensity of connector, and the ease for use of connector and easy replaceability can be improved.
Accompanying drawing explanation
Fig. 1 be the backrest structure of the dark seat of adjustable seat carry out by seat side direction the structural representation observed.
Fig. 2 be the backrest structure of the dark seat of adjustable seat carry out by seat forward the structural representation observed.
Fig. 3 be the backrest structure of the dark seat of adjustable seat carry out by the oblique upper of seat the structural representation observed.
Fig. 4 be the backrest structure of the dark seat of adjustable seat by the structural representation carrying out above seat observing.
Fig. 5 be backrest structure carry out by oblique upper the thin portion structural representation observed.
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 lateral observation of keel bracket.
Fig. 9 is the structural representation that the rear side of keel bracket carries out observing.
Figure 10 is the structural representation that keel bracket is undertaken by oblique upper observing.
Figure 11 is the plan structure schematic diagram of keel bracket.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The backrest structure of the dark seat of a kind of adjustable seat, as shown in figs. 1-11, comprise one from seat vertical pivot 100 to the keel bracket 200 of downward-extension and be positioned at described keel bracket 200 the end away from described seat vertical pivot 100 roughly along human body back extend back part 300.Described backrest structure can be applied to any seat with seat vertical pivot 100, is applicable to the seat being supported whole back cushion by single seat vertical pivot 100.The end of keel bracket 200 expands slightly, and end is connected with back part 300 by connector.
The end be connected with described back part 300 of described keel bracket 200 while extending to described seat both sides to downward-extension.Front is observed, and this keel bracket 200 is except the sleeve portion 400 be connected with seat vertical pivot 100, and remainder stretches to the both sides of seat vertical pivot 100.
Further, the sleeve portion 400 of keel bracket 200 comprises lining 401, be arranged at the lining portable plate 402 that can insert along the direction of seat vertical pivot 100 of described lining 401 both sides, the arc iron plate 403 of the outer surface of being close to this lining portable plate 402, and this arc iron plate is fixedly connected with to improve its intensity with lining portable plate.This lining portable plate 402 is for fixing arc iron plate 403, and this arc iron plate 403 for strengthening the intensity of the side of keel bracket 200, and disperses its pressure at both sides.
Described back part 300 comprises a vertical component 310, and extends to seat side the expansion 320 and obtained by described vertical component 310 and continued to extend the end section 330 obtained to described seat side by described expansion 320.Described vertical component 310, expansion 320 and end section 330 extend along the length direction of seat vertical pivot 100 respectively.Connection between described vertical component 310, expansion 320 and end section 330 three is transition gradually.Especially it is to be noted, division between vertical component 310 described above, expansion 320 and end section 330 is the division based on functionally carrying out, in the present embodiment, particularly on actual product, three can be integrally manufactured, is connected after also can manufacturing respectively by various existing means.In addition, vertical component 310, expansion 320 and end section 330 are all positioned at the side, side of the close human body back of described back part 300.
Described vertical component 310 extends along human body back direction; Vertical component 310 is positioned at the marginal portion of the close human spine of back part 300, generally presents vertical shape.
Described expansion 320 is a coiled structure, protrudes form in the side towards seat front of expansion 320 the recessed structure that can be held back, human body side in the bearing of trend side of described vertical component 310 to seat rear.Expansion 320 can be regarded as a part for the hollow circle tube structure that extends along seat vertical pivot 100 direction, and the part of the both sides, direction along seat vertical pivot 100 of this expansion 320 is slightly curling respectively to seat front.
Described end section 330 is curling to seat front from a lateral edges of described expansion 320, and the curling end of expansion 320 roughly presents a structure vertically forwards extended towards seat front.This end section 330 is one carry out along the curling continuation of expansion 320 part that extends to seat front.
The height of described back part 300 starts until described end section 330 reduces gradually from described expansion 320, and especially, the height of the part of the close seat both sides of back part 300 reduces gradually.If back part 300 is symmetrically respectively in seat vertical pivot 100 both sides, then the height of the side away from seat vertical pivot 100 of back part 300 is only had little by little to reduce.
Further, the lower end of described vertical component 310, expansion 320 and end section 330, respectively towards the curling tilting in seat rear, forms the rearward curling contrary flexure part 340 that is positioned at the transverse direction of the bottom of back part 300.Especially, the below side of this contrary flexure part 340 be positioned at the same below lateral section of the reinforcement structure 350 towards side, side, seat rear of back part 300 jointly to the curling tilting in seat rear, in addition, it is greater that contrary flexure part 340 compares the amount of crimp strengthening structure 350.
Described back part 300 also comprises the reinforcement structure 350 towards side, side, seat rear that is positioned at described back part 300; This reinforcement structure 350 is structural strengths for improving whole backrest structure, especially after the side, front of this backrest structure forms curved surface, is supported by this reinforcement structure 350.This reinforcement structure 350 is generally carry out extending along the direction of human body back.As the preferred scheme of one, the relatively described expansion 320 of described reinforcement structure 350 arches upward to seat rear, it is pointed out that strengthen structure 350 arch upward for expansion 320, structurally form a vertical bar projection along described vertical component 310; Further, in order to improve intensity, the two ends up and down of the arched part of described reinforcement structure 350 tilt to seat rear, form a two ends recurved structures backward.
Also comprise a flexible connecting member 500 connected for the elasticity of described keel bracket 200 and back part 300.This flexible connecting member 500 is one have certain flexible device.As a kind of preferred version, the cross section of this flexible connecting member 500 generally presents square, in order to improve the intensity of this flexible connecting member 500, flexible connecting member 500 through and add a rigidity bar 501, one end of this rigidity bar 501 is fixedly connected with seat vertical pivot 100, and the other end makes flexible connecting member 500 be fixedly connected with back part 300 as connector simultaneously.
Further, this flexible connecting member 500 adopts plug-connection structure to realize the connection with keel bracket 200, this flexible connecting member 500 from top to down inserts the respective card slot in plug-connection structure, thus realizes connecting, and reduces the difficulty of installing between keel bracket 200 and flexible connecting member 500.
Described flexible connecting member 500 comprises and alongst extending and wave structure 502 roughly in the horizontal direction, namely this wavy shaped configuration is arranged at the top of above-mentioned flexible connecting member 500, improves its elasticity by the surface area of the upper side improving flexible connecting member 500; Described wave structure 502 comprises the ripple glaze 502a that the width along described flexible connecting member 500 extends, and particularly, ripple glaze 502a is laterally protruding.
Described keel bracket 200 comprises first supporting construction 210 extended substantially in parallel with the expansion 320 of described backrest structure; Described first supporting construction 210 is positioned at the side towards described back part 300 of described keel bracket 200.
Described keel bracket 200 comprises one by the seat vertical pivot 100 of described seat little by little towards the second supporting construction 220 of keel bracket 200 end tilts; Described second supporting construction 220 is positioned at the side away from described back part 300 of described keel bracket 200.
First supporting construction 210 and the second supporting construction 220 constitute the side of the both sides, front and back of keel bracket 200 respectively.
Described back part 300 is symmetrically respectively in seat vertical pivot 100 both sides.The both sides at the back of the corresponding support human body of back part 300 difference of the left and right sides, the spine portion of human body is then positioned at the gap of the back part 300 of both sides, improves the comfort level of human body.
Further, in order to the structure of keel bracket 200 can be improved, observed by side, described keel bracket 200 be bent downwardly along seat vertical pivot 100 towards seat front and extend and close to during described end 230 towards described back part 300 time, again bending towards seat front and finally make described end 230 towards described back part 300.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (9)
1. the backrest structure of the dark seat of adjustable seat, it is characterized in that, comprise one from seat vertical pivot (100) to the keel bracket (200) of downward-extension and be positioned at described keel bracket (200) the end away from described seat vertical pivot (100) roughly along human body back extend back part (300);
The end be connected with described back part (300) of described keel bracket (200) while extending to described seat both sides to downward-extension.
2. backrest structure according to claim 1, it is characterized in that, described back part (300) comprises a vertical component (310), and to extend by described vertical component (310) expansion (320) and obtained to seat side and continued to extend the end section (330) obtained to described seat side by described expansion (320);
Described vertical component (310) extends along human body back direction;
Described expansion (320) is a coiled structure, protrudes form in the side towards seat front of expansion (320) the recessed structure that can be held back, human body side in the bearing of trend side of described vertical component (310) to seat rear;
Described end section (330) is curling to seat front from a lateral edges of described expansion (320), and the curling end of expansion (320) roughly presents a structure vertically forwards extended towards seat front;
The height of described back part (300) starts until described end section (330) reduces gradually from described expansion (320).
3. the backrest structure according to claims 1 or 2, is characterized in that, described back part (300) also comprises the reinforcement structure (350) towards side, side, seat rear that is positioned at described back part (300);
The relatively described expansion (320) of described reinforcement structure (350) is arched upward to seat rear; The two ends up and down of the arched part of described reinforcement structure (350) tilt to seat rear.
4. backrest structure according to claim 1, is characterized in that, also comprises a flexible connecting member (500) connected for the elasticity of described keel bracket (200) and back part (300).
5. backrest structure according to claim 4, is characterized in that, described flexible connecting member (500) comprises and alongst extending and wave structure (502) roughly in the horizontal direction; Described wave structure (502) comprises the ripple glaze that the width along described flexible connecting member (500) extends.
6. backrest structure according to claim 2, is characterized in that, described keel bracket (200) comprises first supporting construction (210) extended substantially in parallel with the expansion (320) of described backrest structure; Described first supporting construction (210) is positioned at the side towards described back part (300) of described keel bracket (200).
7. the backrest structure according to claim 2 or 6, it is characterized in that, described keel bracket (200) comprises one by the seat vertical pivot (100) of described seat little by little towards second supporting construction (220) of keel bracket (200) end tilts; Described second supporting construction (220) is positioned at the side away from described back part (300) of described keel bracket (200).
8. backrest structure according to claim 1, is characterized in that, described back part (300) is symmetrically respectively in seat vertical pivot (100) both sides.
9. backrest structure according to claim 1, it is characterized in that, described keel bracket (200) is along seat vertical pivot (100) to downward-extension and close to bending towards described back part (300) time described end (230) and making described end (230) towards described 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 true CN104605654A (en) | 2015-05-13 |
| CN104605654B CN104605654B (en) | 2017-06-13 |
Family
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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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008378A (en) * | 2018-09-13 | 2018-12-18 | 欧亚平 | A kind of movable supporting attachment structure suitable for seat |
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| CN2456554Y (en) * | 2001-01-15 | 2001-10-31 | 冯德宇 | New chair back |
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| KR20090103468A (en) * | 2008-03-28 | 2009-10-01 | 김동진 | Conjoin frame for chair |
| CN201328563Y (en) * | 2008-12-09 | 2009-10-21 | 苏州帝雅思办公家具有限公司 | Office chair |
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| 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 |
| CN202477016U (en) * | 2011-09-28 | 2012-10-10 | 黄千祐 | Double-back office chair |
| CN104207517A (en) * | 2014-09-22 | 2014-12-17 | 安吉县聚源家具有限公司 | Comfortable seat |
| 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 |
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2015
- 2015-02-13 CN CN201510078207.5A patent/CN104605654B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887946A (en) * | 1997-01-03 | 1999-03-30 | Raftery Design, Inc. | Chair with movable back support |
| CN2456554Y (en) * | 2001-01-15 | 2001-10-31 | 冯德宇 | New chair back |
| 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 |
| KR20090103468A (en) * | 2008-03-28 | 2009-10-01 | 김동진 | Conjoin frame for chair |
| 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 |
| 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 |
| CN202477016U (en) * | 2011-09-28 | 2012-10-10 | 黄千祐 | Double-back office chair |
| CN104207517A (en) * | 2014-09-22 | 2014-12-17 | 安吉县聚源家具有限公司 | Comfortable seat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008378A (en) * | 2018-09-13 | 2018-12-18 | 欧亚平 | A kind of movable supporting attachment structure suitable for seat |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104605654B (en) | 2017-06-13 |
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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. |
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| CP03 | Change of name, title or address | ||
| 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. |