CN201767376U

CN201767376U - Deformation quakeproof refuge desk chair

Info

Publication number: CN201767376U
Application number: CN2010201685516U
Authority: CN
Inventors: 陈航; 曾咏奎; 吕亚清
Original assignee: Wuhan Institute of Technology
Current assignee: Wuhan Institute of Technology
Priority date: 2010-04-16
Filing date: 2010-04-16
Publication date: 2011-03-23
Anticipated expiration: 2020-04-16

Abstract

The utility model relates to a deformation quakeproof refuge desk chair, which comprises a desk body and a chair body. The desk body includes a desk top board, a desk top slider, an accessory board sliding groove, a desk top accessory board, a bearing block, a bearing shaft, a supporting rod, a push rod, a bearing rod, a triangular frame, a sliding groove, an emergency water storage tank, a water tank water guide pipe, a bottom board and the like. The chair body includes a chair top board, a backrest board, a backrest shaft, a headrest board, a tensile rod, a rear bearing rod, a sliding rod, a sliding rod sleeve, a front bearing rod, a positioning groove, a chair body baffle board, a link structure and the like. The deformation quakeproof refuge desk chair respectively protects the front inclined surface and the rear inclined surface of the triangular frame in an attached manner by the aid of turning and sliding of the desk body and folding and rotation of the chair body, and leads a quakeproof desk to provide more complete, reliable and stable protection in an earthquake by the aid of outstanding stability and firmness of the triangular frame.

Description

Be out of shape the shockproof desk and chair of taking refuge

Technical field

The utility model belongs to a kind of school furniture, the concrete shockproof desk and chair of taking refuge of a kind of distortion that relates to.

Background technology

At present; the employed common desk and chair of the most of pupil of China; not firm instability on structural design; cannot withstand a single blow and do not say; the headspace of desk below is also too narrow and small; the student hides outside the major part of table health of following time all is exposed to, and so, student's life security can not well be protected at all when earthquake really happens suddenly.Existing in the market Shockproof desk exists or is bulky, and stiff heaviness, or function singleness are with high costs, or various deficiencies such as anti seismic efficiency is undesirable.In addition, the student in the most of area of China is because the restriction of condition all be to lie prone to have a rest on desk when lunch break, and this sleeping position is very bad to health.

Summary of the invention

Problem to be solved in the utility model is to propose the shockproof desk and chair of taking refuge of a kind of distortion at above-mentioned prior art, overcoming the deficiency on the various common desk and chairs and Shockproof desk performance at present, and improves the comfort level of student when having a rest use.

The utility model is that the solution that problem adopted of the above-mentioned proposition of solution is: be out of shape the shockproof desk and chair of taking refuge, include a body and chair body, it is characterized in that described table body includes desktop, desktop gliding mass, attached plate chute, the attached plate of desktop, bearing block, axle, support bar, push rod, pole, triangle-frame, chute and base plate, the upper end of triangle-frame is fixedly connected with bearing block and axle, is fixed with the attached plate of desktop on the axle; The oblique fulcrum bar of the attached plate of desktop, support bar, pole and triangle-frame constitutes four-bar mechanism, and is connected to each other by first revolute pair, second revolute pair, the 3rd revolute pair; The push rod two ends are socketed on support bar and the pole by metallic sheath; Riveted joint has the desktop gliding mass on the desktop, and desktop connects support by four-bar mechanism, and the attached plate of desktop is connected by attached plate chute with desktop, and locatees by alignment pin; The chute that connects with attached plate chute is connected on the oblique fulcrum bar of triangle-frame by screw; The triangle-frame bottom is fixed with base plate;

Described chair body includes: seat plate, backboard, backrest axle, headrest-plate, back stay, slide bar, jack rod sleeve, front support rod, locating slot, chair body baffle plate and connected structure, and the seat plate is connected on the front support rod by rotating shaft; The backrest axle matches with locating slot; Headrest-plate and slide bar riveted joint; Chair body baffle plate is welded on the front support rod; Slide bar and jack rod sleeve flexibly connect, and are connected by holding screw with backboard; One end of the stretching bar on the back stay links to each other with front support rod, and the other end matches with base plate; Connected structure is fixed on the base plate, matches with groove on the connected structure in the bottom of front support rod.

Press such scheme, described triangle-frame top is provided with the first aid storage tank, and connects and to have the water tank aqueduct.

The whole similar engineering tripod of table body of the present utility model; Desktop supports by the four-bar mechanism at band dead point, and desktop can be fitted by a wherein inclined-plane of slip on chute and triangle-frame; The chair body is fitted by folding the contraction with another inclined-plane of triangle-frame; The chair body can be changed into chaise longue by adjusting backboard and headrest-plate; Table body and chair body are connected as a single entity, and the chair body is also detachable with the table body, can use separately.

The beneficial effects of the utility model are:

1) the utility model combines the engineering tripod of stable strong with desk and chair, compares with similar desk, and its structure is ingenious brief, and effect is obviously stable, and is practical cheap feasible;

2) convenient various dynamic power machines are sued and laboured, stone crusher, cutting machine can directly act near the thing of pounding the body, whole " tripod fort " can directly be pulled out from buried object by lifting machinery, the student hides and can not be affected in the table body, avoided the student in the process of suing and labouring because the secondary injury that the vibrations that natural aftershock or sue and labour produces cause, suing and labouring of dynamic power machine is unfettered, shorten valuable rescue time greatly, improved rescue efficiency.

3) tablet chair by backrest but not support bar realize the following of user and lie, saved the space so greatly, improved the convenience of operation.The student can lie on the chair and have a rest, and need not lie prone again and have a rest on desk, impels student's study and grows up healthy and sound; Chair itself can shrink, as the front apron of tripod; Chair can before and after movable, the adjustment of convenient and desk longitudinal separation is to be fit to comfortable the taking a seat of classmate of different builds; Chair can use separately, and is detachable;

4) be equipped with urgently needed storage tank in this desk, after the earthquake, can be the trapped person valuable drinking water is provided, its moisture storage capacity can multidimensional be held 10 days at least by life;

5) tables and chairs connect uniqueness, gather together closely, save the space, classroom, carry light.

Description of drawings

Fig. 1 is a table body portion structural representation of the present utility model;

Fig. 2 is the supporting construction enlarged drawing of desktop;

Fig. 3 is a chair body portion structural representation of the present utility model;

Fig. 4 is the distressed structure enlarged drawing of chair body;

Schematic diagram when Fig. 5 is the shockproof use of the utility model.

The specific embodiment

The utility model will be further described below in conjunction with drawings and Examples, and it can not constitute restriction of the present utility model.

The shockproof desk and chair of taking refuge of distortion of the present utility model includes: table body and chair body, described table body includes desktop 1, desktop gliding mass 2, attached plate chute 3, the attached plate 4 of desktop, bearing block and axle 12, support bar 5, push rod 6, pole 8, triangle-frame 10, chute 9, first aid storage tank 13, water tank aqueduct 11, base plate 21 etc.As illustrated in fig. 1 and 2, the upper end of triangle-frame is welded with bearing block and axle 12, is welded with the attached plate 4 of desktop on the axle; The attached plate of desktop and desktop has the four-bar mechanism support and connection at dead point by a subband, the horizontal stable when guaranteeing its normal use; Four-bar mechanism is made of the oblique fulcrum bar of the attached plate of desktop, support bar 5, pole 8 and triangle-frame, is connected to each other by first revolute pair 29, second revolute pair 7, the 3rd revolute pair 30 respectively between the attached plate 4 of desktop, support bar 5, pole 8 and the triangle-frame 10; Push rod 6 two ends are socketed on support bar 5 and the pole 6 by metallic sheath; Riveted joint has desktop gliding mass 2 on the desktop, and the attached plate of desktop is connected by attached plate chute 3 with desktop 1, and by alignment pin 31 location; The chute 9 that connects with attached plate chute is connected on the oblique fulcrum bar of triangle-frame 10 by screw; The triangle-frame top is provided with first aid storage tank 13, therefrom connects to have water tank aqueduct 11; The triangle-frame bottom is welded with base plate 21;

Described chair body includes: seat plate 17, backboard 24, backrest axle 27, headrest-plate 22, stretching bar 15, back stay 16, slide bar 23, jack rod sleeve 26, front support rod 14, locating slot 28, chair body baffle plate 18, connected structure 19 etc.Shown in Fig. 3 and 4, seat plate 17 is connected on the front support rod 14 by rotating shaft; The backrest axle matches with locating slot 28, can be in locating slot rotational positioning; Headrest-plate 22 and slide bar 23 riveted joints, chair body baffle plate 18 is welded on the front support rod 14; Slide bar 23 can be up and down in jack rod sleeve 26, and be connected by holding screw 25 with backboard; One end of the stretching bar 15 on the back stay 16 links to each other with front support rod 14, and the other end matches with base plate; Tablet chair can be folded into a face by flexible, the backboard of stretching bar 15 and the rotation of seat plate; Match with groove on the connected structure 19 in the bottom of front support rod 14, whole tablet chair can move forward and backward the location in connected structure.

Three-legged structure main frame 10 of the present utility model by rotation and desktop the slip attached plate chute 3 and chute 9 on of the attached plate 4 of desktop 1 and desktop by axle 12, is realized the protection that suits to the tripod back bevel; By the contraction of stretching bar 15 or the upset of seat plate 17, finish the folding of tablet chair by the chair body, add the 18 common applying protections that realize the tripod front bevel of chair body baffle plate.

During normal the use, the attached plate of desktop and desktop supports the maintenance level by support bar 5, the similar subband of whole bracing frame has the four-bar mechanism at dead point, four-bar mechanism is made of jointly oblique fulcrum bar, support bar 5 and the pole 8 of the attached plate of desktop, triangle-frame 10, the push rod 6 and second revolute pair 7 can constitute the dead point, when push rod 6 encased second revolute pair 7, support bar 5 and pole 8 were in alignment by lock, reached the purpose of support; During shockproof use, move on the push rod, second revolute pair 7 is let live, and support bar 5 and pole 8 can be rotated and amount on a line by first revolute pair 29, second revolute pair 7, the 3rd revolute pair 30, and desktop is overturn downwards.

Chair body of the present utility model can be by backboard 24 location and the rotation of backrest axle in locating slot 28, headrest-plate 22 is realized transformation to simple and easy chaise longue by the activity elongation and the positioning action of holding screw 25 of slide bar 23 in jack rod sleeve 26.Common chaise longue generally is to realize that by the angle of inclination that changes pole inclining of user is for sleeping in, and the utility model then is to reach purpose by changing and backrest that user's back and head directly contact and the inclination angle of headrest, and whole process is more simple and efficient; The chair chair can be adjusted the location according to body type front and back in connected structure 19 of user; Chair body back stay 16 can increase by the rotation of screw-casing 20, enables directly to use on the ground.

Whole process is exactly the conversion by desktop and the attached plate of desktop, chair body etc., realizes the desk and chair pattern of tables and chairs by normal use in the extremely short time, the transformation of the semi-enclosed tripod fort pattern when shockproof the use, as shown in Figure 5.

Claims

1. be out of shape the shockproof desk and chair of taking refuge, include a body and chair body, it is characterized in that described table body includes desktop (1), desktop gliding mass (2), attached plate chute (3), the attached plate of desktop (4), bearing block, axle (12), support bar (5), push rod (6), pole (8), triangle-frame (10), chute (9) and base plate (21), the upper end of triangle-frame (10) is fixedly connected with bearing block and axle (12), is fixed with the attached plate of desktop (4) on the axle; The oblique fulcrum bar of the attached plate of desktop, support bar (5), pole (8) and triangle-frame constitutes four-bar mechanism, and is connected to each other by first revolute pair (29), second revolute pair (7), the 3rd revolute pair (30); Push rod (6) two ends are socketed on support bar (5) and the pole (6) by metallic sheath; Riveted joint has desktop gliding mass (2) on the desktop, and desktop connects support by four-bar mechanism, and the attached plate of desktop is connected by attached plate chute (3) with desktop (1), and by alignment pin (31) location; The chute (9) that connects with attached plate chute is connected on the oblique fulcrum bar of triangle-frame (10) by screw; The triangle-frame bottom is fixed with base plate (21);

Described chair body includes: seat plate (17), backboard (24), backrest axle (27), headrest-plate (22), back stay (16), slide bar (23), jack rod sleeve (26), front support rod (14), locating slot (28), chair body baffle plate (18) and connected structure (19), and seat plate (17) is connected on the front support rod (14) by rotating shaft; Backrest axle (27) matches with locating slot (28); Headrest-plate (22) and slide bar (23) riveted joint; Chair body baffle plate (18) is welded on the front support rod (14); Slide bar (23) flexibly connects with jack rod sleeve (26), and is connected by holding screw (25) with backboard; One end of the stretching bar (15) on the back stay (16) links to each other with front support rod (14), and the other end matches with base plate; Connected structure (19) is fixed on the base plate (21), matches with groove on the connected structure (19) in the bottom of front support rod (14).

2. by the shockproof desk and chair of taking refuge of the described distortion of claim 1, it is characterized in that described triangle-frame top is provided with first aid storage tank (13), and connect and to have water tank aqueduct (11).