CN87213880U - Multi-purpose health school desk-chair - Google Patents

Abstract

The utility model discloses a health school desk-chair fitting for primary and middle school students. The health school desk-chair whose structure is scientific and reasonable, desk and chair are connected by a support and the lower frontward part of the desk is provided with knees holders which match with the shape of knees. The face of the desk, the chair and the height of the knees holder are adjustable. When the utility model is used, the weight of the whole body is shared by buttocks, legs and knees, which ensures a right posture and a comfortable feeling, effectively reduces the fatigue caused by long time sitting and prevents unhealthy symptoms of near-sightedness, kyphosis, etc.

Description

Multi-purpose health school desk-chair

The utility model relates to a kind of student and uses the health care desk and chair.

Investigation according to departments such as Shanghai City life aesthetics association finds that along with the continuous improvement of China students in middle and primary schools nutrition condition, their body development presents precocity, and height weight generally surpasses level in the past.Yet the classroom chair that they use but remains specification, the standard of the design of five sixties, and is obviously very unbecoming.Students is sitting in reading on the chair, writes word time one length, and it is tired that back is just felt, upper body and head are all often before bowed unconsciously or lain prone on the table, so that are not just writing font, and word is capable crooked.What is more, owing to sit uncomfortablely, appearance is not just bent over the desk lastingly, and cerebral blood flow (CBF) is reduced, and the oxygen supply deficiency causes neurasthenia symptoms such as dizziness, dizzy, insomnia.And the sitting body weight concentrates on waist, buttocks, makes stomach and intestine hypodynamia again, causes thrombosis, easily causes and just secretes and class diseases such as hemorrhoid.Therefore relevant department is appealed energetically: students in middle and primary schools' desk and chair design is anxious to be waited to improve!

The Norway scientist has designed a kind of relatively novel study chair of science in recent years, sets about development after Japanese industry department learns immediately.This chair is different with traditional plane seat support, and seat has certain gradient, but and the knee holder that a knee chair leans on is set, whole body weight is shared by stern, leg and knee three parts like this, health can freely stretch, and is easy to " just sitting ", helps to concentrate one's energy and improve learning efficiency.But this design has the following disadvantages:

(1) tables and chairs separate, and the student can at will move, and table is difficult to guarantee with the relative position of chair the best, influences health care;

(2) adopt many bars, four-wheel to support, take a lot of work, take material, the cost height, it is difficult to promote;

(3) chair does not have backrest, and the seat gesture is single, chair by name, and real is stool, can not reach to eliminate tired purpose better;

(4) table, chair are easy to move, and it is neat to diminish the classroom.

In view of the above, the purpose of this utility model is that the students in middle and primary schools that a kind of teenager's of being of value to physical and mental health are provided, lessen fatigue use the health care desk and chair.

Another purpose of the present utility model be to provide a kind of rational in infrastructure, compact, be easy to processing and manufacturing, and health care desk and chair easy to use.

The purpose of this utility model realizes by following manner: table, chair fuses by bearing, and the correct position in the seat support front lower place is provided with the knee shape and is complementary the holder of rubber-like knee.Side near desk on the bearing is provided with the travelling wheel that the pedestal table chair moves usefulness, and is being provided with and the contacted anti-skidding eccentric ring in ground near chair one side place, slides on the fixed position to prevent tables and chairs.

The high and low position of desktop, seat and knee holder and gradient all can be adjusted by governor motion separately.To remain on best user mode.

The bearing of above desk and chair can be made by metal tube and glass reinforced plastic pipe etc., and desktop and seat etc. can be made by plastics, glued board or plank etc.

The utility model can be designed to the desk and chair for single, double or many people's uses.

Rational in infrastructure, the science of the utility model, the whole body body weight is rationally shared by stern, leg and knee three parts, guarantee correct set, feel comfortable, the fatigue that can alleviate sitting effectively and cause, can prevent ill symptomses such as myopia and hunchback again, thereby be of value to student's physical and mental health, improve learning efficiency.And the utility model compact conformation, light, materials are economized, and processing and manufacturing and use are all very convenient, are easy to promote the use of.

Below with reference to accompanying drawing the utility model is described in further detail, wherein

Fig. 1 is the Double chair and table stereogram;

Fig. 2 is Fig. 1 side view;

Fig. 3 is single tables and chairs stereogram;

Fig. 4 is a desk governor motion schematic diagram;

Fig. 5 is a chair governor motion schematic diagram;

Fig. 6 is the journal stirrup sketch drawing of seat support and chair holder.

Embodiment 1--Double chair and table

With reference to Fig. 1 figure and Fig. 2, desk 18 and chair 11 are installed in respectively on the preceding arm 5 and back arm 12 of the bearing 16 that is formed by steel tube bending.Desk 18 by desktop 1, have the sliding drawer 3 of door, the groove shape stationery frame 2 in the middle of the rectangle desktop 1 and the governor motion that is positioned at the bottom opened and assemble.Wherein governor motion is (referring to Fig. 2,4) comprise and be fixed on the flat lattice framing 20 that has the shape of reverse omega groove on desk 18 base plates, embed in this flat lattice framing groove of falling Ω, and the ㄇ font cross bar 21 of turn within it, insert respectively in two preceding arms 5 of bearing 16 at its two ends, and clamp by snap ring 22.One end of last diagonal brace 17 is connected with flat lattice framing 20 by hinge 23, and the other end is clipped in the snap ring 4 of preceding arm 5 outsides.Snap ring 4 can move along preceding arm is upper and lower, by tightening screw it is fixingly gone up in place.Therefore,, reach the position height of snap ring 4, can make desktop 1 be adjusted to required height and gradient by regulating the insertion depth of cross bar 21 in preceding arm 5.

Chair 11 is by the chair frame 8 of seat support 7 that has backrest and bottom thereof, and the governor motion between them is formed.Said governor motion comprises two upper journals 30 that are screwed in seat support 7 bottoms, is screwed down journal 31 on chair frame 8 with upper journal is complementary, and the pin rod 32(that passes upper and lower earhole is referring to Fig. 5 and Fig. 6).It is that the axle center tilts forward and back motion with pin rod 32 that said structure can make seat support 7, sits the adjusting of gesture for difference.

The vertical rod 24 of chair frame 8 bottoms is inserted in the pipe of back arm 12, and clamps with snap ring 34.Can change the seat height by the insertion depth of regulating said vertical rod 24.Seat support can be lined with the material of sponge and so on, makes it soft, high resilience.

Between preceding arm 5 that props up Cuo 16 and horizontal branch pipe 13, weld diagonal brace 6, and a pair of symmetrical knee holder 9 is set in the above, be connected with connecting rod 35 between the two knee holders, passing through governor motion--Ω shape bail wire (not shown) makes it link to each other with following diagonal brace 6, and is fastened on the position of suitable height and gradient.The shape and the knee of knee holder 9 are complementary, and also are lined with the whippy material of sponge and so on.Near on the horizontal branch pipe 13 of desk one side wheel shaft 15 is set, and travelling wheel 14 is housed at its two ends; And anti-skidding eccentric ring 10 being set near chair one side horizontal branch pipe end, this eccentric ring close proximity to ground slides to prevent tables and chairs.

The angle of bend (seeing the ∠ A among Fig. 1) of arm 5 is 130 °-140 ° before the bearing 16, the angle of preceding arm 5 and horizontal branch pipe 13, and the angle of back arm 12 and horizontal branch pipe 13 is 68-75 ℃.

Above parts are except that bearing 16 and relevant support and connection parts are processed into by steel pipe or steel plate, and other are by plastic injection-moulded shaping (also material such as available plank), so the present embodiment processing and manufacturing is very convenient.

If need move tables and chairs,, whole tables and chairs can be moved easily, so that sweep ground as long as chair 11 is upwards gently carried.

Implement the single tables and chairs of 2--

With reference to Fig. 3, the present embodiment structure is identical with embodiment 1 basically, but the size of desk 18 and shape only are fit to single use.Stationery frame 2 among Fig. 3 also can be provided with on the table in addition.

Claims (5)

1, a kind of health care desk and chair, it comprises desk 18, chair 11, is positioned at the knee holder 9 of chair front lower place, and relevant support and connection parts, it is characterized in that:

(1) fuses by bearing 16 between said desk 18, chair 11 and the knee holder 9;

(2) said desk 18, chair 11 and knee holder 9 respectively are provided with the governor motion that can regulate high and low position and gradient;

(3) on the horizontal branch pipe 13 near the bearing 16 of desk one side a wheel shaft parallel with desk 15 is set, travelling wheel 14 is equipped with at defeated 15 two ends;

(4) the anti-skidding eccentric ring 10 of close proximity to ground is set on the horizontal branch pipe 13 near the bearing 16 of chair one side.

2, desk and chair according to claim 1, the governor motion that it is characterized in that said desk 18 comprises the flat lattice framing 20 that is fixed on desk 18 base plates, embed in flat support 20 dead slots of falling Ω, and the ㄇ font cross bar 21 of turn within it, and the last diagonal brace 17 that is connected by hinge 23 and flat lattice framing 20, insert respectively in two preceding arms 5 of bearing 16 at the two ends of said cross bar 21, and clamped by snap ring 22, and the other end of the diagonal brace of saying 17 is clipped in the snap ring 4 of preceding arm 5 outsides.

3, desk and chair according to claim 1, the governor motion that it is characterized in that said chair comprises a pair of upper and lower journal stirrup 30 that is complementary that is separately fixed at seat support 7 base plates and chair frame 8 end faces, 31, pass the said pin rod 32 of going up the down journal hole, and be inserted in the pipe of back arm 12, and with the vertical rod 34 of the chair frame 8 of snap ring 34 clampings.

4, desk and chair according to claim 1, the angle of bend (being ∠ A) that it is characterized in that the preceding arm 5 of said bearing 16 is 130 °-140 °, the angle of preceding arm 5 and horizontal branch pipe 13, and the angle of back arm 12 and horizontal branch pipe 13 is 68 °-75 °.

5, desk and chair according to claim 1 and 2 is characterized in that said desk 18 is provided with stationery frame 2.

Images