CN104026871B - Folding-type school desk chair - Google Patents
Folding-type school desk chair Download PDFInfo
- Publication number
- CN104026871B CN104026871B CN201410244673.1A CN201410244673A CN104026871B CN 104026871 B CN104026871 B CN 104026871B CN 201410244673 A CN201410244673 A CN 201410244673A CN 104026871 B CN104026871 B CN 104026871B
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- China
- Prior art keywords
- backrest
- seat
- leg
- folding
- handrail
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Abstract
The present invention discloses a kind of folding-type school desk chair, comprise main support, be hinged on front leg strut and rear support leg that the table on described main support top, seat, the handrail being positioned at described seat both sides, the backrest being arranged on described armrest rear end and front and back support described seat across, seat plate is provided with bottom described seat, the rotating shaft to downward-extension is provided with in the middle part of described seat plate bottom surface, be provided with lower linking plate below seat plate, rotating shaft penetrates rotatably described lower linking plate.Novel structure of the present invention, all parts all can fold, and take up room little time folding, and seat can rotate, and can regulate seat height, easy to use, support reliable.
Description
Technical field
The present invention relates to a kind of desk and chair, especially relate to a kind of folding-type school desk chair.
Background technology
Traditional desk and chair, take up room larger, be inconvenient to move, so engendered some folding desk and chairs in recent years, but, even if existing folding-type school desk chair can fold, but still need to take not little space, and, when front-seat student needs with rear row's student's call for Votes, tradition Folding desk chair does not possess spinfunction, uses inconvenience.
Summary of the invention
For solving above technical problem, the invention provides one and to take up room little, easy to use, rotatable folding-type school desk chair.
Technical scheme is as follows:
A kind of folding-type school desk chair, comprise main support, be hinged on front leg strut and rear support leg that the table on described main support top, seat, the handrail being positioned at described seat both sides, the backrest being arranged on described armrest rear end and front and back support described seat across, its key is: be provided with seat plate bottom described seat, the rotating shaft to downward-extension is provided with in the middle part of described seat plate bottom surface, be provided with lower linking plate below seat plate, rotating shaft penetrates rotatably described lower linking plate;
The supporting leg that described lower linking plate has at least two subtend downward-extensions installs journal stirrup, described front leg strut and rear support leg upper end lay respectively at wherein a pair supporting leg and install between journal stirrup, described supporting leg installs the shaft hole of journal stirrup along cushion base plate plane lateral direction penetrating, described front leg strut and rear support leg upper end offer through hole, be equipped with same rotating shaft rotationally in described through hole and shaft hole, the upper end of described front leg strut and the upper end of lower linking plate junction and rear support leg and lower linking plate junction all have retaining mechanism.
Adopt above structure, make seat plate that seat can be driven to rotate together, when needing to exchange between front and rear row user, chair can turn over use, very convenient; Be equipped with same rotating shaft rotationally in described through hole and shaft hole, enable lower linking plate, cushion base plate and seat integrally along rotating shaft upset, meanwhile, forward and backward supporting leg also can along axis of rotation; Upper end and the lower linking plate junction of described forward and backward supporting leg also have retaining mechanism, ensure that forward and backward supporting leg reliably can be supported on described cushion base plate bottom.
As a further improvement on the present invention, during for ensureing open mode of the present invention, the locking of front and back supporting leg, described retaining mechanism comprise locking pin, be respectively opened in supporting leg install on journal stirrup and front leg strut, rear support leg upper end pin shaft hole, described locking pin is through pin shaft hole, and two ends are overlapped on described supporting leg and install on journal stirrup.
Further, described handrail is oppositely arranged on the both sides of seat plate, and handrail upper end is provided with the backrest block extended internally near backrest side, adopt above structure, and handrail also can be rotated with cushion base plate.
Further, described backrest comprises the back panel of arc, backrest base plate and connect the backrest retainer of described back panel and backrest base plate, described back panel and backrest base plate are riveted on backrest retainer both sides respectively, described backrest retainer top has outward extending projection, lower hinge is on described handrail, when backrest is opened, described backrest retainer lower end abuts with the backrest block on handrail, when folding backrest, described projection is overlapped on handrail, back panel is designed to arc, more meet ergonomic requirements, the double-decker of backrest simultaneously, make the present invention when being overturn by backrest separately, described backrest base plate can serve as seat and use, so can adjust seat height, easy to use.
Further, during for making open mode of the present invention, front and back supporting leg can more firmly support on the ground, and simultaneously convenient folding, described front leg strut comprises 2 front leg strut bodies be arranged in parallel and is applied in described front leg strut body lower end front leg strut transverse tube parallel to the ground; Described rear support leg comprises rear support leg body and is applied in described rear support leg body lower end rear support leg transverse tube parallel to the ground, and described rear support leg transverse tube one end is hinged on main support.
Further, described table comprises fixing table, adjusts table and surrounds the U-shaped framework of described fixing table and adjustment table, described fixing table is installed in the uncovered side of U-shaped framework, described adjustment table is hinged on the opposite side of U-shaped framework, the pin joint of adjustment table and U-shaped framework is provided with wedge, and the closing end of described U-shaped framework is hinged on main support upper end; Described main support upper end has U-shaped table support, and described U-shaped framework is through table support, and the opening side of described table support is provided with table locking pin, adopts above structure, and when desired by the user, certain angle can be opened in table one end; The closing end of described U-shaped framework is hinged on main support upper end can make table entirety can fold along main support upper end; Arranging wedge is adjust secure support when table is opened to ensure; Main support upper end arranges U-shaped table support, U-shaped framework is through table support, and the opening side of table support is provided with table locking pin, when table open normally use time, can flatly be supported on main support upper end, take off table locking pin and can realize the folding of table.
Further, described main support bottom is hinged with the U-shaped bracing frame extended back, and adopts above structure, and when making the present invention's entirety open mode, main support does not need to fix on the ground, can realize stable support.
Beneficial effect: the folding-type school desk chair adopting above technical scheme, novel structure, all parts all can fold, and take up room little time folding, and seat can rotate, and can regulate seat height, easy to use, support reliable.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the structural representation of seat plate and lower linking plate annexation in the present invention;
Fig. 3 is the perspective view of seat plate and lower linking plate annexation in the present invention;
Fig. 4 is the perspective view that the present invention adjusts table open mode;
Fig. 5 is the perspective view of seat rotation status of the present invention;
Fig. 6 is the perspective view of folding backrest state of the present invention;
Perspective view when Fig. 7 is foldable integral state of the present invention.
Detailed description of the invention
Below in conjunction with example and accompanying drawing, the invention will be further described:
As depicted in figs. 1 and 2, a kind of folding-type school desk chair, comprise main support 100, be hinged on the table 200 on described main support 100 top, seat 300, be positioned at the handrail 400 of described seat 300 both sides, be arranged on front leg strut 600 and rear support leg 610 that the backrest 500 of described handrail 400 rear end and front and back support described seat 300 across, wherein, seat plate 310 is provided with bottom described seat 300, the rotating shaft 311 to downward-extension is provided with in the middle part of described seat plate 310 bottom surface, lower linking plate 320 is provided with below seat plate 310, rotating shaft 311 penetrates rotatably described lower linking plate 320,
Composition graphs 2 and Fig. 3 can find out, the supporting leg that described lower linking plate 320 has at least two subtend downward-extensions installs journal stirrup 321, described front leg strut 600 and rear support leg 610 upper end lay respectively at wherein a pair supporting leg and install between journal stirrup 321, described supporting leg installs the shaft hole 322 of journal stirrup 321 along cushion base plate plane lateral direction penetrating, described front leg strut 600 and rear support leg 610 upper end offer through hole, same rotating shaft 330 is equipped with rotationally in described through hole and shaft hole 322, the upper end of described front leg strut 600 and the upper end of lower linking plate 320 junction and rear support leg 610 and lower linking plate 320 junction all have retaining mechanism.
Composition graphs 2 and Fig. 3 it can also be seen that, described retaining mechanism comprises locking pin 340, the pin shaft hole 323 be opened on the upper end of supporting leg installation journal stirrup 321 and forward and backward supporting leg, described locking pin 340 is through pin shaft hole 323, two ends are overlapped on described supporting leg and install on journal stirrup 321, when needs are folding, locking pin 340 can take off.
As shown in Figure 4, described handrail 400 and the both sides being oppositely arranged on seat plate 310, handrail 400 upper end is provided with the backrest block 410 extended internally near backrest 500 side.
As shown in Figure 5 and Figure 6, described backrest 500 comprises the back panel 510 of arc, backrest base plate 520 and connects the backrest retainer 530 of described back panel 510 and backrest base plate 520, described back panel 510 and backrest base plate 520 are riveted on backrest retainer 530 both sides respectively, described backrest retainer 530 top has outward extending projection 531, lower hinge is on described handrail 400, when backrest is opened, described backrest retainer 530 lower end abuts with the backrest block 410 on handrail 400, when folding backrest, described projection 531 is overlapped on handrail 400.
As shown in Figure 4, described front leg strut 600 comprises 2 front leg strut bodies be arranged in parallel 601 and is applied in described front leg strut body 601 lower end front leg strut transverse tube 602 parallel to the ground; Described rear support leg 610 comprises rear support leg body 611 and is applied in described rear support leg body 611 lower end rear support leg transverse tube 612 parallel to the ground, and described rear support leg transverse tube 612 one end is hinged on main support 100.
See Fig. 4, described table 200 is split-type structural, comprise fixing table 210, adjustment table 220 and surround the U-shaped framework 230 of described fixing table 210 and adjustment table 220, described fixing table 210 is installed in the uncovered side of U-shaped framework 230, described adjustment table 220 is hinged on the opposite side of U-shaped framework 230, at adjustment table 220, the pin joint of U-shaped framework 230 is provided with wedge 240, the closing end of described U-shaped framework 230 is hinged on main support 100 upper end; Described main support 100 upper end has U-shaped table support 110, and described U-shaped framework 230 is through table support 110, and the opening side of described table support 110 is provided with table locking pin 120.
Be it can also be seen that by Fig. 4, described main support 100 bottom is hinged with the U-shaped bracing frame 130 extended back.
During use, open bracing frame 130 and main support 100 is supported on ground, front leg strut 600 is strutted, and locked by locking pin 340, then open seat base plate 310, backrest 500 and table 200 successively and can normally use; When needs are to recoil, directly hold handrail 400 rotary seat base plate 310; When height of seat is not satisfied the demand, backrest 500 can also be folded, now backrest base plate 520 can directly use as seat.
As shown in Figure 7, when needing folding, backrest 500 is folded, seat plate 310 is turn to vertical direction, take off the locking pin 340 of forward and backward supporting leg upper end, pack up front and back supporting leg, take off table locking pin 120, upset table 200 flushes with main support 100, lift U-shaped bracing frame 130, can complete folding, can also by whole put to pour of the present invention after folding, to facilitate carrying.
To the above-mentioned explanation of disclosed case study on implementation, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these case study on implementation, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other case study on implementation.Therefore, the present invention can not be restricted to these case study on implementation shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a folding-type school desk chair, comprise main support (100), be hinged on the table (200) on described main support (100) top, seat (300), be positioned at the handrail (400) of described seat (300) both sides, the backrest (500) of this handrail (400) rear end and front and back support front leg strut (600) and the rear support leg (610) of described seat (300) across, it is characterized in that: described seat (300) bottom is provided with seat plate (310), the rotating shaft (311) to downward-extension is provided with in the middle part of described seat plate (310) bottom surface, seat plate (310) below is provided with lower linking plate (320), rotating shaft (311) penetrates rotatably described lower linking plate (320),
The supporting leg that described lower linking plate (320) has at least two subtend downward-extensions installs journal stirrup (321), described front leg strut (600) and rear support leg (610) upper end lay respectively at wherein a pair supporting leg and install between journal stirrup (321), described supporting leg installs the shaft hole (322) of journal stirrup (321) along cushion base plate plane lateral direction penetrating, described front leg strut (600) and rear support leg (610) upper end offer through hole, same rotating shaft (330) is equipped with rotationally in described through hole and shaft hole (322), the upper end of described front leg strut (600) and the upper end of lower linking plate (320) junction and rear support leg (610) and lower linking plate (320) junction all have retaining mechanism,
Described retaining mechanism comprises locking pin (340), is opened in the pin shaft hole (323) that supporting leg installs the upper and front leg strut (600) of journal stirrup (321), rear support leg (610) upper end respectively, described locking pin (340) is through pin shaft hole (323), and two ends are overlapped on described supporting leg and install on journal stirrup (321);
Described handrail (400) is oppositely arranged on the both sides of seat plate (310), and handrail (400) upper end is provided with the backrest block (410) extended internally near backrest (500) side;
Described backrest (500) comprises the back panel (510) of arc, backrest base plate (520) and connect the backrest retainer (530) of described back panel (510) and backrest base plate (520), described back panel (510) and backrest base plate (520) are riveted on backrest retainer (530) both sides respectively, described backrest retainer (530) top has outward extending projection (531), lower hinge is on described handrail (400), when backrest is opened, described backrest retainer (530) lower end abuts with the backrest block (410) on handrail (400), when folding backrest, described projection (531) is overlapped on handrail (400).
2. folding-type school desk chair according to claim 1, is characterized in that: described front leg strut (600) comprises 2 front leg strut bodies (601) be arranged in parallel and is applied in described front leg strut body (601) lower end front leg strut transverse tube (602) parallel to the ground; Described rear support leg (610) comprises rear support leg body (611) and is applied in described rear support leg body (611) lower end rear support leg transverse tube (612) parallel to the ground, and described rear support leg transverse tube (612) one end is hinged on main support (100).
3. folding-type school desk chair according to claim 1, it is characterized in that: described table (200) comprises fixing table (210), adjust table (220) and surround the U-shaped framework (230) of described fixing table (210) and adjustment table (220), described fixing table (210) is installed in the uncovered side of U-shaped framework (230), described adjustment table (220) is hinged on the opposite side of U-shaped framework (230), adjustment table (220) and the pin joint of U-shaped framework (230) are provided with wedge (240), the closing end of described U-shaped framework (230) is hinged on main support (100) upper end, described main support (100) upper end has U-shaped table support (110), described U-shaped framework (230) is through table support (110), and the opening side of described table support (110) is provided with table locking pin (120).
4. folding-type school desk chair according to claim 1, is characterized in that: described main support (100) bottom is hinged with the U-shaped bracing frame (130) extended back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244673.1A CN104026871B (en) | 2014-06-04 | 2014-06-04 | Folding-type school desk chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244673.1A CN104026871B (en) | 2014-06-04 | 2014-06-04 | Folding-type school desk chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104026871A CN104026871A (en) | 2014-09-10 |
| CN104026871B true CN104026871B (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244673.1A Expired - Fee Related CN104026871B (en) | 2014-06-04 | 2014-06-04 | Folding-type school desk chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104026871B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104687824A (en) * | 2015-02-12 | 2015-06-10 | 柳州职业技术学院 | Folding study chair |
| CN104720278B (en) * | 2015-04-08 | 2017-01-25 | 福州大学 | Modularized foldable desk and using method thereof |
| CN106213893A (en) * | 2016-08-11 | 2016-12-14 | 华文进 | A kind of antibacterial public chair |
| CN109567440A (en) * | 2018-10-30 | 2019-04-05 | 王立菊 | Rotatable desk and chair external member for teaching combines the unit |
| CN110934417B (en) * | 2019-10-29 | 2022-05-13 | 厦门新技术集成有限公司 | Simple folding table |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388864Y (en) * | 1999-07-15 | 2000-07-26 | 赵越 | Integrated desk |
| CN1278417A (en) * | 1999-06-18 | 2001-01-03 | 设计研究和发展中心股份有限公司 | Foldable chair |
| CN203073770U (en) * | 2012-11-30 | 2013-07-24 | 田金泉 | Rotating chair |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4672922B2 (en) * | 2001-07-30 | 2011-04-20 | 株式会社東洋工芸 | Swivel chair |
| US20050099040A1 (en) * | 2003-11-12 | 2005-05-12 | Mills Robert J. | Chair and desk combination |
-
2014
- 2014-06-04 CN CN201410244673.1A patent/CN104026871B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278417A (en) * | 1999-06-18 | 2001-01-03 | 设计研究和发展中心股份有限公司 | Foldable chair |
| CN2388864Y (en) * | 1999-07-15 | 2000-07-26 | 赵越 | Integrated desk |
| CN203073770U (en) * | 2012-11-30 | 2013-07-24 | 田金泉 | Rotating chair |
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| Publication number | Publication date |
|---|---|
| CN104026871A (en) | 2014-09-10 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160120 Termination date: 20170604 |