CN101347292B - Chair with folding seat section - Google Patents
Chair with folding seat section Download PDFInfo
- Publication number
- CN101347292B CN101347292B CN2007101364217A CN200710136421A CN101347292B CN 101347292 B CN101347292 B CN 101347292B CN 2007101364217 A CN2007101364217 A CN 2007101364217A CN 200710136421 A CN200710136421 A CN 200710136421A CN 101347292 B CN101347292 B CN 101347292B
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- CN
- China
- Prior art keywords
- seat portion
- piston
- chair
- seat
- housing
- 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.)
- Expired - Fee Related
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Abstract
The invention relates to a chair with a folding seat. The seat (2) is arranged in the articulated way and can rotate between the basically vertical position and the basically horizontal position, and the seat (2) can automatically restore to the basically vertical position by using a wound spring (8). The wound spring is arranged at a hinge pin (6) in a contact area between the seat (2) and a backrest (1), and a cylinder (11) is used for ensuring that the restoration movement of the seat (2) is damped.
Description
Technical field
The present invention relates to have the chair of folding seat section, work as the user from seat portion immediately in such chair, this one gets back to the initial position of its perpendicular automatically, thereby a kind of embodiment that has improved the function of these chairs in fact is provided.
Background technology
At present the known chair with folding seat section comprises and is used to make a portion to get back to the device of the position of its perpendicular automatically.These devices are made of counterweight usually, make to work as the user from seat portion immediately, and rely on the effect of counterweight, and the position of its perpendicular is got back to by seat portion.
The counterweight that exists forces the rotating shaft of a portion to move forward, and makes to have the space between backrest and seat portion when seat portion is in the position of perpendicular.
This defective to be placed on the open air, for example the seat portion at stadium place is quite outstanding at sports equipment.Because out of doors, chair has covered dust and dirt, makes the user of chair to clean it before taking a seat.
The other defective of this chair is when making a portion when the position of its perpendicular is got back in its substantially horizontal position by automatic reset device, and seat portion hits backrest.
Summary of the invention
A kind of chair is proposed according to the present invention, this chair is that mentioned chair with folding seat section and the substantially horizontal position when using are got back to the folding position of perpendicular automatically, and this embodiment has solved the defective at conventional such chair of preceding mentioning satisfactorily.
Chair of the present invention is characterised in that the automatic reset device that is used to make seat get back to the position of its perpendicular is arranged in swivel pin, the contact area of described swivel pin between backrest and seat portion.
Rely on this feature, when seat portion is in the position of perpendicular, between backrest and seat portion, do not have any space basically, prevent that dust and dirt from entering this zone.Then, it is clean when the user is sitting on the chair of the present invention, need not in advance it to be cleaned.
According to preferred implementation of the present invention, the automatic reset device that is used to make a portion get back to the position of its perpendicular comprises the elastic device with seat portion one, thereby makes a portion can rotate to the position of its perpendicular from its substantially horizontal position around the swivel pin with the backrest one.
According to described embodiment, be used to make a portion to get back to the described automatic reset device of the position of its perpendicular, comprise also preferably and the sleeve of seat portion one that this sleeve also can rotate around it around the swivel pin location.
Described elastic device preferably is made of disc spring, regulates the compression degree of described disc spring by screw.
According to a kind of embodiment, the hinge assembly of seat portion also has present portion and lifts automatically and prevent in the moving process that the portion from hitting the damping unit of backrest suddenly.
Described damping unit is holding the housing of piston by inside and is constituting with the flange of seat portion one, described housing has and is limited to the hole that described housing is connected with air chamber between the described piston, when seat portion during from the rotation of its substantially horizontal position, described flange contacts with the top of described piston, thereby makes piston along with the progressively discharge of air by above-mentioned hole moves down.
Rely on this feature, obtain a kind of chair, wherein realize that with damping mode seat portion rotates to the position of its perpendicular, and can not make it hit backrest, and damping characteristic is not through damaging after a while with folding seat section.Simultaneously, these damping units are basically without any need for maintenance.
The housing of these damping units comprises the disc spring around its layout, described disc spring again be contained in described housing in piston link to each other, the air that makes effect by overcoming elastic device and promotion be contained in the described air chamber is realized moving down of piston.
For the best air-tightness and the operation accurately that obtain damping unit, chair of the present invention comprises the seal that is arranged between housing and the piston.
According to preferred implementation, described flange is provided with two housings simultaneously along the horizontal expansion of whole seat portion, and their corresponding piston are arranged in each end of described flange.
Description of drawings
Fig. 1 is the perspective view of three chairs being arranged side by side according to the present invention, and two in them have the seat portion that is in the perpendicular position, and the 3rd has the seat portion that is in the substantial horizontal position.
Fig. 2 is in the perspective cutaway view, according to the backrest and the contact area between the seat portion of chair of the present invention, wherein can observe to be used to make a portion to get back to the resetting means of its perpendicular position.
Fig. 3 is the rear view of the articulated structure of the seat portion on the chair.
Fig. 4 is the front view of the articulated elements of chair.
Fig. 5 is along the view in the intercepting of the section III-III shown in the preceding figure.
The specific embodiment
Can see that in Fig. 1 chair of the present invention comprises backrest 1 and folding seat section 2, folding seat section 2 is illustrated the position that is in perpendicular in preceding two chairs, perhaps is illustrated to be in substantially horizontal position in the 3rd chair.
Chair is illustrated in the drawings and is fixed on the bar 3 with supporting member 4.According to shown in embodiment, by anchor clamps 5 chair is fixed on the bar 3.
Chair of the present invention comprises and is used for making a portion get back to the automatic reset device of the position of its perpendicular the user from chair immediately.Can in Fig. 2, see these devices in detail.
Swivel pin 6 is combined into one with the backrest 1 of chair, and has the sleeve 7 with seat portion 2 one in the middle, and this sleeve 7 rotates around swivel pin 6.In order to make a portion get back to the position of its perpendicular automatically, swivel pin 6 comprises the disc spring 8 around its layout, and an end 9 of described disc spring 8 is combined into one with seat portion 2.
Therefore, can realize that swivel pin 6 is arranged in the contact area between backrest 1 and the seat portion 2, because need not to be provided with counterweight, disc spring 8 has been realized the function of counterweight.Thereby, rely on the structure of swivel pin 6, when seat portion 2 is in the position of its perpendicular, between backrest 1 and seat portion 2, do not have any space basically, thereby prevent dirt and dust accretions will with the zone of user's Body contact.
Must be pointed out, in Fig. 2, only show an end of the contact area between backrest 1 and the seat portion 2, the other end of the contact area between backrest 1 and the seat portion 2 have with shown in identical automatic reset device, make each chair have and be used to make a portion 2 to get back to two disc springs 8 of the position of its perpendicular automatically.
According to the present invention, mobilely be subjected to damping with a pair of cylinder 11 of seat portion 2 one and flange 12 are arranged to make the position of a portion from its substantially horizontal position to its perpendicular.Can in Fig. 5, be more clearly visible the function of cylinder 11 and flange 12.
Can see that in described Fig. 5 constitute cylinder 11 by cylindrical housings 13, piston 14 portion within it moves, and limits air chamber 15 between described housing 13 and described piston 14.Seal 16 is arranged between piston 14 and the housing 13, to prevent that air takes place to be leaked between the inwall of piston 14 and housing 13.
Piston 14 comprises the hole 17 that is connected with air chamber 15 in its underpart.The size in this hole 17 is suitable for making the air of proper volume to discharge to realize damping action.
From the position of the perpendicular of seat portion 2 shown in Figure 3, if the user will be sitting on the chair, he or she must be on the direction of representing by arrow A manual rotating seat portion 2.This rotation of seat portion 2 will make the flange 12 of one no longer contact with the top of piston 14, thereby make it can move to it by the effect of disc spring 18 by last position (by moving shown in the arrow B).
When the user from chair immediately, spring 8 will make a portion 2 rotate to the position of its perpendicular from its substantially horizontal position.Move by carrying out this rotation, flange 12 will form with the top of piston 14 at specified point and contact, thereby be in lifting position.At this point, piston 14 will carry out damping to the rotation of seat portion 2, thereby prevent that it from hitting backrest 1.
Can realize described damping action, because move down in the process at piston 14, piston 14 is bearing the resistance of the air pressure in the air chamber 15, makes it only can discharge gradually by hole 17 and move down along with air.In addition, piston 14 also bears the certain resistance in the disc spring 18, but described spring 18 will have suitable feature, makes main by the realization of the air pressure in the air chamber 15 damping action.
Claims (4)
1. chair with folding seat section, comprise backrest and pass through the hinged seat portion thereon of swivel pin, described seat portion can move between the position of perpendicular and substantially horizontal position, and comprise and be used for making a portion get back to the automatic reset device of the position of its perpendicular from its substantially horizontal position from seat portion immediately the user, and be used for making being in and lift the damping unit that the seat portion that moves is subjected to damping, it is characterized in that, the described automatic reset device that is used to make a portion (2) get back to the position of its perpendicular is disposed in swivel pin (6), and described swivel pin (6) is positioned at the contact area between backrest (1) and the seat portion (2);
The damping unit of described seat portion (2) is holding the housing (13) of piston (14) by inside and is constituting with the flange (12) of seat portion (2) one, described housing has and is limited to the hole (17) that described housing (13) is connected with air chamber (15) between the described piston (14), when seat portion (2) when its substantially horizontal position rotates to the position of its perpendicular, described flange (12) contacts with the top of piston (14), and described piston (14) is progressively discharged by hole (17) and moved down along with air.
2. the chair with folding seat section as claimed in claim 1, it is characterized in that, described housing (13) comprises the disc spring (18) around its layout, described disc spring (18) links to each other with the piston (14) that is contained in the described housing (13) again, and feasible effect and the air that is contained in the air chamber (15) of promotion by overcoming elastic device realized moving down of piston (14).
3. the chair with folding seat section as claimed in claim 1 is characterized in that, is furnished with seal (16) between housing (13) and piston (14).
4. the chair with folding seat section as claimed in claim 1, it is characterized in that, described flange (12) is along whole seat portion (2) horizontal expansion, and described damping unit has two housings (13), and their corresponding piston (14) are arranged in each end of described flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101364217A CN101347292B (en) | 2007-07-16 | 2007-07-16 | Chair with folding seat section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101364217A CN101347292B (en) | 2007-07-16 | 2007-07-16 | Chair with folding seat section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101347292A CN101347292A (en) | 2009-01-21 |
| CN101347292B true CN101347292B (en) | 2010-09-15 |
Family
ID=40266403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101364217A Expired - Fee Related CN101347292B (en) | 2007-07-16 | 2007-07-16 | Chair with folding seat section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101347292B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2356216B1 (en) * | 2009-07-29 | 2012-02-10 | Figueras International Seating, S.L. | MECHANISM CUSHION OF FOLDING SEATS OF ARMCHAIRS. |
| CN102462230A (en) * | 2010-11-10 | 2012-05-23 | 张红坤 | Special theater overturning stool for double upper limb handicapped |
| CN105747631A (en) * | 2016-03-20 | 2016-07-13 | 戴维峰 | Self-positioning turnover chair |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191792Y (en) * | 1994-06-24 | 1995-03-15 | 郭秋林 | Gas stepless regulator |
| CN2343897Y (en) * | 1998-06-04 | 1999-10-20 | 丰国勋 | Chair having automatic slowly tipping-up seat |
| CN2516040Y (en) * | 2001-12-28 | 2002-10-16 | 北京市长城家具公司 | Row chair having tipping-up seat |
| CN2580205Y (en) * | 2002-10-29 | 2003-10-15 | 常州市富邦汽车配件有限公司 | Adjustable damper |
| CN2715622Y (en) * | 2004-08-13 | 2005-08-10 | 赵永东 | Damping folding seat |
-
2007
- 2007-07-16 CN CN2007101364217A patent/CN101347292B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191792Y (en) * | 1994-06-24 | 1995-03-15 | 郭秋林 | Gas stepless regulator |
| CN2343897Y (en) * | 1998-06-04 | 1999-10-20 | 丰国勋 | Chair having automatic slowly tipping-up seat |
| CN2516040Y (en) * | 2001-12-28 | 2002-10-16 | 北京市长城家具公司 | Row chair having tipping-up seat |
| CN2580205Y (en) * | 2002-10-29 | 2003-10-15 | 常州市富邦汽车配件有限公司 | Adjustable damper |
| CN2715622Y (en) * | 2004-08-13 | 2005-08-10 | 赵永东 | Damping folding seat |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-171029A 1995.07.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101347292A (en) | 2009-01-21 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20210716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |