CN203762562U - Foldable-type combined desk and chair - Google Patents

Foldable-type combined desk and chair Download PDF

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Publication number
CN203762562U
CN203762562U CN201420075255.XU CN201420075255U CN203762562U CN 203762562 U CN203762562 U CN 203762562U CN 201420075255 U CN201420075255 U CN 201420075255U CN 203762562 U CN203762562 U CN 203762562U
Authority
CN
China
Prior art keywords
desk
chair
bracing frame
seat
support rod
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
Application number
CN201420075255.XU
Other languages
Chinese (zh)
Inventor
陈水胜
肖凯
孙金伟
丰锐
平豪
梅志雄
王为
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei University of Technology
Original Assignee
Hubei University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei University of Technology filed Critical Hubei University of Technology
Priority to CN201420075255.XU priority Critical patent/CN203762562U/en
Application granted granted Critical
Publication of CN203762562U publication Critical patent/CN203762562U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a foldable desk and chair, particularly relates to a foldable-type combined desk and chair and belongs to the technical field of teaching equipment. The utility model provides the desk and chair which is simple and convenient, multifunctional and space saving; a slider crank mechanism is utilized to realize the folding of the chair; a parallelogram mechanism is utilized to realize the folding of a desk surface and a drawer; a spine strip mechanism is utilized to realize the inclination of a book facade and the lifting control of the chair surface height, therefore, the function of placing a drawing board and the effect of improving the user comfort degree are achieved; the integration of the desk and chair is reached; the occupied area is small; the desk and chair is foldable and dust proof; a working diagram and the drawing board can be placed on the desk and chair; the usage requirements of people with different heights can be met.

Description

A kind of collapsible siamesed desk and chair
Technical field
The utility model relates to folding table/chair, and spy relates to the dustproof siamesed desk and chair of a kind of folding, belongs to teaching equipment technical field.
Background technology
The tables and chairs that current each classroom is used are all fixed on ground, and desktop and seat are not collapsible, and height can not regulate, and existing tables and chairs are in a row connected, and can not move flexibly, and the while does not possess placement drawing board function yet.So not only take up room large, can not prevent dust, use clumsiness and function singleness.
Chinese utility model patent " a kind of school table chair " (application number: 201220157356.2) disclose a kind of desk table leg bottom universal wheel is installed, desk sidepiece is provided with several hooks that are arranged in a row for hanging folding seat, its weak point is: tables and chairs separate large, the desktop of taking up room can not folding dust-proof, only possesses basic desk function; Patent of invention " a kind of classroom piece desk and chair " (application number: be 201220061871.0) to make the frame plate of handwriting practicing frame plate and lower end thereof with rod hinge connection, and realize and rotating by upper and lower rotating shaft, its weak point is: desktop can not fold, and entirety can not move, and takes up room very large; Patent of invention " modular folding tables and chairs " (application number: 201020567484.5) disclosed is a kind of modular folding tables and chairs, comprise table and table supporting leg, seat and seat leg, table supporting leg and seat leg intersection are fixedly connected with, be respectively equipped with telescopic arrangement for adjusting height, table supporting leg lower end is provided with the leg that is equipped with castor, its weak point is: independent between tables and chairs, use procedure easily produces tables and chairs and places irregular etc.Utility model patent " a kind of adjustable teaching tables and chairs " (application number: feature 201220482210.5) is to utilize seat support bar by fixing being arranged in classroom on predefined position of the seat support bar of its lower end and the cloth mounting structure of seat support bar.Its weak point is: tables and chairs can not move and fold, and function singleness, is used inconvenience flexibly and institute takes up space large.
In sum, also there is no a kind of Combined desk/chair that can integrate picture stand, dividing plate and can realize the functions such as high, mobile, the folding packing of adjustment chair at present.
Summary of the invention
For the deficiency of background technology, it is a kind of easy that the utility model provides, multi-functional, joint space-efficient tables and chairs, utilize slider-crank mechanism to realize the folding of chair, utilize parallel-crank mechanism to realize the folding of desk surface and drawer, utilize sour jujube bar winding machine desktop the submit a written statement to a higher authority inclination of facade and the elevating control of seat height, thereby realize the function of placing drawing board and the effect that improves user's comfort level, utilize snap joint to realize the free arrangement combination of tables and chairs, reach tables and chairs integrated, floor space is little, folding dust-proof, can place work drawing-board, meet the crowd's of different heights user demand and panel discussion, the various use occasions such as indoor and outdoor meeting.
The technical solution of the utility model is: a kind of collapsible siamesed desk and chair, comprise seat, bracing frame and desk surface, desk surface is arranged on the top of bracing frame, and seat is arranged on the middle part of bracing frame, it is characterized in that: back support rod is set on bracing frame, in back support rod, be provided with back support rod internal chute, slide block is arranged in back support rod internal chute, and the seat back side is provided with connecting rod and rotating shaft, and the hinged slide block of connecting rod can slide in back support rod internal chute.Its beneficial effect is: the Automatic-expanding and gathering function that can realize seat.
Siamesed desk and chair as above, is characterized in that: on described bracing frame, be also provided with sour jujube bar, lower sour jujube bar; When seat is parallel with bracing frame, in the sealed lower sour jujube bar of the end of rotating shaft.Its beneficial effect is: the elevating function that can realize chair.
Siamesed desk and chair as above, is characterized in that: under described desk surface, have little drawer, little drawer Slidable telescopic.
Siamesed desk and chair as above, is characterized in that: desk surface be each side hinged with dual connecting plate and lower drawer face is hinged.Its beneficial effect is: lower drawer face can be rotated around the stiff end of desk surface.
Siamesed desk and chair as above, is characterized in that: described desk surface also comprises book end face and expansion link, and expansion link one end is connected with book end face, and the other end is connected with desk surface by the sour jujube bar in groove.Its beneficial effect is: the gradient that can change book end face.
Siamesed desk and chair as above, is characterized in that: described bracing frame is provided with chute, and desk surface can slide and shrinks or fold along chute.
Siamesed desk and chair as above, is characterized in that: described bracing frame is also provided with snap joint, protruding axle.Its beneficial effect is: can realize the combination of multiple siamesed desk and chairs.
Brief description of the drawings
Fig. 1 is the overall construction drawing that tables and chairs launch;
Fig. 2 is the structure chart that in Fig. 1, seat is drawn close bracing frame state;
Fig. 2 (a) be in Fig. 2 A to partial enlarged drawing;
Fig. 3 is the structure chart of seat rising state in Fig. 2;
Fig. 3 (a) be in Fig. 3 B to partial enlarged drawing;
Fig. 4 is that in Fig. 1, lower drawer reduction of area closes structure graph;
Fig. 4 (a) be in Fig. 4 C to partial enlarged drawing;
Fig. 5 is the submit a written statement to a higher authority structure chart of facade inclination certain angle of desktop;
Fig. 5 (a) be in Fig. 5 D to partial enlarged drawing;
Fig. 6 is desk surface Facad structure figure;
Fig. 6 (a) is the partial enlarged drawing of E in Fig. 6;
Fig. 7 is the structure chart that desktop is hidden into bracing frame chute;
Fig. 7 (a) be in Fig. 7 F to partial enlarged drawing;
Fig. 7 (b) is the partial enlarged drawing of G in Fig. 7;
Fig. 8 is the constitutional diagram in a row of tables and chairs series;
Fig. 9 is that tables and chairs are combined into conference table Pareto diagram.
Embodiment
Mark in accompanying drawing:
In accompanying drawing 1: 1-book end face, 2-expansion link, 3-projection, the little drawer of 4-, 5-desk surface, 6-brace, drawer face under 7-, the upper sour jujube bar of 8-, 9-bracing frame internal chute, 10-slide block, 11-back support rod internal chute, 12-snap joint, 13-back support rod, 14-connecting rod, 15-bracing frame, the protruding axle of 16-, 17-seat, sour jujube bar under 18-;
In accompanying drawing 2: the upper sour jujube bar of 8-, 13-back support rod, 15-bracing frame, the protruding axle of 16-, 17-seat, sour jujube bar under 18-, 19-rotating shaft;
Accompanying drawing 2(a) in: sour jujube bar under 18-, 19-rotating shaft;
In accompanying drawing 3: the upper sour jujube bar of 8-, 13-back support rod, 15-bracing frame, 17-seat, sour jujube bar under 18-, 19-rotating shaft;
In accompanying drawing 4: the little drawer of 4-, 5-desk surface, 6-brace, drawer face under 7-, 15-bracing frame, 23-groove;
Accompanying drawing 4(a) in: 11-back support rod internal chute, 13-back support rod, 24-connecting rod
In accompanying drawing 5: 1-book end face, 5-desk surface, 20-sour jujube bar, 21-desk surface forward recess
Accompanying drawing 5(a) in: 2-expansion link, 20-sour jujube bar;
In accompanying drawing 6: 25-overhanging end
In accompanying drawing 7: 9-bracing frame internal chute, 15-bracing frame, 22-desktop;
In accompanying drawing 8: 12-snap joint, the protruding axle of 16-;
In accompanying drawing 9: 5-desk surface, 15-bracing frame, 17-seat.
Be described further below in conjunction with the utility model example:
In accompanying drawing 1, Fig. 2, tables and chairs can be realized the folder function of seat, mainly comprise desk surface 5, bracing frame 15 and seat 17, and wherein desk surface 5 is arranged on the top of bracing frame 15, and seat 17 is arranged on the middle part of bracing frame 15.When chair is in the time launching completely, as shown in Figure 1, with the hand seat 17 that upwards overturns, the connecting rod 24 of seat 17 ends drives the slide block 10 hinged with connecting rod 24 in the interior slip of back support rod internal chute 11, until seat 17 is while being turned to vertical state, seat 17 can lean against on bracing frame 15, and slide block 10 also just arrives the limit inferior position of back support rod 13, and at this moment chair draws in.In the time using chair, upset seat 17 downwards, drive the connecting rod 24 of seat 17 to rotate, the slide block 10 of 11 li of the internal chutes of the connecting rod of seat end and back support rod 13 is hinged, make like this slide block 10 at back support rod internal chute 11 the inside upward slidings, in the time that seat 17 is up to the standard position, slide block slides into the limes superiors position of back support rod internal chute 11.
With reference to figure 2, Fig. 3, tables and chairs can be realized the elevating function of chair.In the time that seat 17 has reached basic parallel with bracing frame 15, the tip lock of the rotating shaft 19 of seat 17 is combined in the lower sour jujube bar 18 of bracing frame 15, the top of back support rod 13 is locked together in the upper sour jujube bar 8 of bracing frame 15, so upwards mention seat 17, drive back support rod 13 entirety to move up, rotating shaft 19 ends of synchronous change seat 17, the top of back support rod 13 position in upper and lower sour jujube bar, can realize sealed under new height of seat.
With reference to figure 1, Fig. 4, tables and chairs can be realized little drawer pull-out and take in, desk surface 5 separates and integration function with drawer face 7.Desk surface has little drawer 4 for 5 times, and little drawer 4 can be at 5 li of sliding extensions of desk surface.Desk surface 5 to be each side hinged with dual connecting plate 6 hinged with lower drawer face 7, lower drawer face 7 can be rotated around the stiff end of desk surface 5.Instantly drawer face 7, with desk surface 5 in the time of expanded position, upwards rotates lower drawer face 7, until be condensed into as a whole with desk surface 5.Instantly when drawer face 7 is with desk surface 5 condensation, rotate lower drawer face 7, until lower drawer face 7 fastens with the groove 23 of bracing frame 15.
With reference to figure 1, Fig. 5, tables and chairs can be realized the function of drawing board support, book end.Book end face 1 is on desk surface 5, and one end of its lower end and expansion link 2 is hinged, when the 20 li of movements of sour jujube bar in groove 21 of the other end of expansion link 2 just can change the gradient of book end face 1.
With reference to figure 6, Fig. 7, tables and chairs can be realized the overall hidden function of desk surface and drawer face.Entirety after desk surface and drawer reduction of area close is upwards turned to vertical state and just can in the chute 9 in bracing frame 15, slowly puts down, and just can be hidden within bracing frame internal chute 9 the insides.Desk surface 5 being pulled out to from chute 9 is topmost that overhanging end 25 just withstands with the top of bracing frame internal chute 9, and desk surface 5 just can be turned to horizontal level around overhanging end so.
With reference to figure 1, Fig. 8, Fig. 9, tables and chairs can be realized the function of free arrangement combination.Snap joint 12, protruding axle 16 are set on bracing frame 15, a tables and chairs snap joint 12 can be combined with the protruding axle 16 of other tables and chairs.So just can utilize snap joint 12, protruding axle 16 between tables and chairs and tables and chairs to cooperatively interact, reach the object of free arrangement combination.
The beneficial effects of the utility model are: realize tables and chairs integrated, floor space is little, save space, dustproof; Can put drawing board or books; Can raise and reduce seat; Can move about the desks and chairs flexibly, realize free arrangement combination; And adopt parallel-crank mechanism, slider-crank mechanism, Ji Tiao mechanism can be used for the teaching of mechanical design course and shows.

Claims (7)

1. a collapsible siamesed desk and chair, comprise seat (17), bracing frame (15) and desk surface (5), desk surface (5) is arranged on the top of bracing frame (15), seat (17) is arranged on the middle part of bracing frame (15), it is characterized in that: back support rod (13) is set on bracing frame (15), in back support rod (13), be provided with back support rod internal chute (11), slide block (10) is arranged in back support rod internal chute (11), seat (17) back side is provided with connecting rod (24) and rotating shaft (19), the hinged slide block (10) of connecting rod (24) can slide in back support rod internal chute (11).
2. collapsible siamesed desk and chair as claimed in claim 1, is characterized in that: on described bracing frame (15), be also provided with sour jujube bar (8), lower sour jujube bar (18); When seat (17) is parallel with bracing frame (15), in the sealed lower sour jujube bar of the end of rotating shaft (19) (18).
3. collapsible siamesed desk and chair as claimed in claim 1, is characterized in that: under described desk surface (5), have little drawer (4), little drawer (4) Slidable telescopic.
4. collapsible siamesed desk and chair as claimed in claim 1, is characterized in that: described desk surface (5) to be each side hinged with dual connecting plate (6) and lower drawer face (7) hinged.
5. the collapsible siamesed desk and chair as described in claim 1,3 or 4, it is characterized in that: described desk surface (5) also comprises book end face (1) and expansion link (2), expansion link (2) one end is connected with book end face (1), and the other end is connected with desk surface (5) by the sour jujube bar (20) in groove (21).
6. collapsible siamesed desk and chair as claimed in claim 1 or 2, is characterized in that: described bracing frame (15) is provided with chute (9), and desk surface (5) can slide and shrinks or fold along chute (9).
7. collapsible siamesed desk and chair as claimed in claim 1 or 2, is characterized in that: described bracing frame (15) is also provided with snap joint (12), protruding axle (16).
CN201420075255.XU 2014-02-21 2014-02-21 Foldable-type combined desk and chair Expired - Fee Related CN203762562U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420075255.XU CN203762562U (en) 2014-02-21 2014-02-21 Foldable-type combined desk and chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420075255.XU CN203762562U (en) 2014-02-21 2014-02-21 Foldable-type combined desk and chair

Publications (1)

Publication Number Publication Date
CN203762562U true CN203762562U (en) 2014-08-13

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ID=51279828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420075255.XU Expired - Fee Related CN203762562U (en) 2014-02-21 2014-02-21 Foldable-type combined desk and chair

Country Status (1)

Country Link
CN (1) CN203762562U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105595621A (en) * 2015-11-30 2016-05-25 四川东山教学设备有限责任公司 Automatic storage desk adjustable in height and convenient to move
CN108354332A (en) * 2016-08-18 2018-08-03 李庆三 A kind of desk for teaching chair
CN108402732A (en) * 2016-08-18 2018-08-17 李庆三 A kind of application method of foldable teaching tables and chairs
CN108703494A (en) * 2018-06-19 2018-10-26 华北理工大学 A kind of library's integral-type table stool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105595621A (en) * 2015-11-30 2016-05-25 四川东山教学设备有限责任公司 Automatic storage desk adjustable in height and convenient to move
CN108354332A (en) * 2016-08-18 2018-08-03 李庆三 A kind of desk for teaching chair
CN108391962A (en) * 2016-08-18 2018-08-14 李庆三 A kind of application method of desk for teaching chair
CN108402732A (en) * 2016-08-18 2018-08-17 李庆三 A kind of application method of foldable teaching tables and chairs
CN108703494A (en) * 2018-06-19 2018-10-26 华北理工大学 A kind of library's integral-type table stool
CN108703494B (en) * 2018-06-19 2020-10-27 华北理工大学 Library uses multi-functional integral type table bench

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140813

Termination date: 20170221