CN2250062Y

CN2250062Y - Desk and chair for anti-shortsightedness and clearing fatigue

Info

Publication number: CN2250062Y
Application number: CN 95242354
Authority: CN
Inventors: 张旗
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-02
Filing date: 1995-11-02
Publication date: 1997-03-26
Anticipated expiration: 2005-11-02

Abstract

The utility model relates to a desk and chair for preventing myopia and removing fatigue, which comprises a chair and desk, wherein, the chair is composed of a backrest, a triangular soft seat board and adjustable chair supporting feet of which the upper ends are connected with the seat board, and the lower ends are connected with desk supporting feet; the desk is composed of a desk box body which is provided with a stationery box, a desktop, two adjustable desk supporting feet, a desk angle adjusting mechanism and a distance adjusting mechanism. The edge of the inner side of the desktop is provided with the convex strip of a book block cover. The height of the desk and chair for preventing myopia and removing fatigue of the utility model, the declining degree of a desk and the distance of a chair can be adjusted freely according to the heights and the postures of students. The utility model can prevent myopia, can make the students maintain a good sitting posture and can make the students not easy to be tired.

Description

The myopia prevention tired desk and chair that disappears

The utility model belong to school desk and with the chair that desk is combined, relate to a kind of myopia prevention tired desk and chair that disappears, can be used as middle and primary schools' desk and chair, use etc. in paint from life drawing (figure), the family.

Existing students in middle and primary schools learn to use chair, and general hard seat plate, back rest and backrest by rectangle, square or similar shape, leg etc. constitute; Because adopt the hard seat plate, it makes the student be easy to fatigue to the compressing of student's ischium, be difficult to the long period to concentrate on study; Because the hard seat plate is rectangle, square or similar shape, student's both legs can arbitrarily be rotated about 180 °, dilapidated, both unfavorable when tired to health, influence other student's study again.Existing desk, generally by formations such as table casing, table case lid (being desktop), legs, table casing capping only has the usefulness of placing books, a small amount of stationery, writing, and what have also has desk desktop angle adjusting mechanism and far and near governor motion; When placing more article on the desktop, it is messy that desktop seems, when table case lid inclination certain angle, the stationery books are difficult to stable placement the, landing easily; Desktop angle adjusting mechanism and far and near governor motion are complicated, and applicability is relatively poor.

The purpose of the utility model is intended to overcome above-mentioned deficiency of the prior art, by adopting the triangle soft seat utmost point, multifunctional desk casing and lid flexibly, provides a kind of myopia prevention tired desk and chair that disappears.

Content of the present utility model is: a kind of myopia prevention tired desk and chair that disappears, by: table casing, outer side edges are along the table case small cup that connects with table casing hinge, 2 desks that table leg, desk angle adjusting mechanism and the far and near governor motion that is symmetricly set under the casing constitutes, with connect the chair that chair leg that the lower end connects with 2 table legs constitutes by back rest and backrest, seat board, upper end with seat board and form, it is characterized in that:

Keep to the side along the stationery cover (22) that is provided with writing case (6) and connects along hinge with this writing case (6) outer side edges in described table casing (11) outside;

The inner side edge of described table case lid (7) is taken off and is covered raised line (8) along being provided with the retaining book;

Described seat board is a triangle soft seat plate (12).

In the utility model content: described 2 table legs are by setting of casing (1), hypomere has external screw thread and part to be arranged in setting of casing (1), thread connection has external diameter to constitute greater than the same table sleeve pipe (3) of the lifting fastening nut (2) of setting of casing (1), the described chair leg of positioning pipe (23) that has been fixedly connected between two setting of casings (1) is provided with lifting fastening hoop (17) by the upper end, the be fixedly connected setting of casing (18) of firm frame (19) of lower end, the seat board fall way (16) that hypomere is socketed in the setting of casing (18) constitutes; Position-limiting tube (24) has been fixedly connected respectively between described setting of casing (18) and 2 setting of casings (1); Stay pipe (25) has been fixedly connected respectively between two ends of each position-limiting tube (24) and setting of casing (18) and the setting of casing (1).

Angle adjusting mechanism described in the utility model content by: with the adjacent adjustable plate (20) of described table casing (11) base plate, the coupling spindle (5) that an end and adjustable plate (20) are fixedly connected, have and bore a hole and fixedly sleeved with coupling spindle (5).Be distributed with the desk angle regulation and control dishes (4) of one group of perforation (9) on the same circular arc, the connection holes (26) of same table sleeve pipe (3) epimere and connection holes (15) constitute, connection holes (26) and coupling spindle (5) other end pivot bush unit, connection holes (15) connects with pin with perforation (9);

Described far and near governor motion passes distance slip holding screw (bolt) (21) formation that this bar shaped perforation (10) and described table casing (11) base plate connect both by the perforation of the bar shaped on the adjustable plate (20) (10).

Compared with prior art, the utlity model has following characteristics:

(1) adopts triangle soft seat plate, student's both legs are positioned at the outside, triangle both sides, one jiao on triangle is between both legs, student's both legs are left-right rotation arbitrarily, make the student on the classroom, can keep correct attitude all the time, help SH and grow up, the soft seat plate slows down student's ischium compressing power, makes the student that comfort, indefatigability be arranged;

(2) writing case is set on table casing and capping, the retaining book is taken off and is covered raised line, the student can place writing case with stationery, keeps desktop clean and tidy, and the retaining book is taken off and covered raised line and both be convenient to open a case lid and pick and place article, can stop books again, make the books etc. can be because of table case lid (the being desktop) landing of tilting;

(3) desk angle adjusting mechanism and far and near governor motion is simple in structure; use easy to adjust, durable; can be fat or thin according to student's developmental state, height; often or periodic adjustment desk and chair height, desktop gradient (for example in 100 degree scopes, dividing retaining freely to adjust) and from the distance of chair, to reach myopic-preventing purpose.

Fig. 1 is the utility model example structure schematic diagram;

Fig. 2 is the utility model embodiment master TV structure schematic diagram;

Fig. 3 is the utility model embodiment plan structure schematic diagram;

Fig. 4 is the utility model embodiment left side TV structure schematic diagram.

Among the figure: 1-setting of casing, 2-lifting fastening nut, 3-same table sleeve pipe, 4-desk angle regulation and control dish, 5-coupling spindle, 6-writing case, 7-table case lid, 8-retaining book is taken off and is covered raised line, the 9-perforation, 10-bar shaped perforation, 11-table casing, 12-triangle soft seat plate, the 13-back rest, 14-backrest, 15-connection holes, 16-seat board fall way, 17-lifting fastening hoop, 18-setting of casing, the firm frame of 19-, 20-adjusts plate, the far and near slip holding screw (bolt) of 21-, 22-stationery cover, the 23-positioning pipe, the 24-position-limiting tube, 25-stay pipe, 26-connection holes.

Be an embodiment of the present utility model below:

Referring to each accompanying drawing.A kind of myopia prevention tired desk and chair that disappears is made up of chair, desk and desk angle adjusting mechanism and far and near governor motion.

Described chair is made up of back rest 13, backrest 14, triangle soft seat plate 12 and chair leg; This chair leg is provided with lifting fastening hoop 17 by the upper end, and (porose becket constitutes with the fastening bolt that passes two holes by two ends, same prior art), the be fixedly connected setting of casing 18 of firm frame 19 of lower end, seat board fall way 16 formations that hypomere is socketed in the setting of casing 18, upper end and triangle soft seat plate 12 are fixedly connected.

Described desk comprises: table casing 11, be arranged on a casing 11 outsides keep to the side writing case 6 on edge and the stationery cover 22 that connects along hinge with these writing case 6 outer side edges, outer side edges is along the table case lid 7 that connects with table casing 11 hinges, take off along the retaining book that is fixedly connected or is connected as a single entity with table case lid 7 inner side edges and to cover raised line 8, be symmetricly set in 2 table legs under the casing 11, and desk angle adjusting mechanism and far and near governor motion.The table leg is by setting of casing 1, and hypomere has external screw thread and part to be arranged in setting of casing 1, is connected with same table sleeve pipe 3 formations of external diameter greater than the lifting fastening nut 2 of setting of casing 1; Be fixedly connected between two setting of casings 1 (as welding etc.) positioning pipe 23 arranged, 1 position-limiting tube 24 that has been fixedly connected respectively between the setting of casing 18 of chair and 2 setting of casings 1,1 stay pipe 25 has been fixedly connected respectively between the two ends of each position-limiting tube 24 and setting of casing 18 and the setting of casing 1.Angle adjusting mechanism is by the adjustable plate 20 adjacent with table casing 11 base plates, the coupling spindle 5 that one end and adjustable plate 20 are fixedly connected, have perforation and with coupling spindle 5 fixedly sleeved, same circular arcs on to be distributed with one group of perforation 9 (can be the center with same table sleeve pipe 3, on the circular arcs of 100 degree, play a perforation 9 etc. every 10 degree) desk angle regulation and control dish 4, the connection holes 26 of same table sleeve pipe 3 epimeres and connection holes 15 formations; Connection holes 26 and coupling spindle 5 other end pivot bush units, connection holes 15 and the 9 usefulness pins of boring a hole etc. connect the location.Far and near governor motion is passed a bar shaped perforation 10 and casing 11 base plate distance slip fastening bolt 21 that both connect is constituted by the perforation of the bar shaped on the adjustable plate 20 10.The epimere of 2 table legs (side) respectively has a desk face angle adjusting mechanism and far and near governor motion.

When regulating the chair height, unclamp lifting fastening hoop 17, mobile seat board fall way 16 is to appropriate location, the tight lifting fastening hoop 17 of bolt again; When regulating the desk height, the lifting fastening nut 2 that rotates on 2 table legs gets final product; When regulating the desk distance, unclamp far and near slip fastening bolt 21, promote a table casing 11 and make far and near slip fastening bolt 21 in bar shaped perforation 10, move to the appropriate location, tighten far and near slip fastening bolt 21 again; When regulating the desk angle, take off the pin that is connected in connection holes 15 and perforation 9, turn table casing 11 is to suitable angle, and desk angle regulation and control dish 4 rotates thereupon, will sell cross-under again and get final product in connection holes 15 and another perforation 9.

The utility model is not limited to this embodiment, and the utility model content is described all can be implemented.

Claims

1, a kind of myopia prevention tired desk and chair that disappears, by: table casing, outer side edges are along the table case lid that connects with table casing hinge, 2 desks that table leg, desk angle adjusting mechanism and the far and near governor motion that is symmetricly set under the casing constitutes, with connect the chair that chair leg that the lower end connects with 2 table legs constitutes by back rest and backrest, seat board, upper end with seat board and form, it is characterized in that:

Described seat board is a triangle soft seat plate (12).

2, by the described myopia prevention of the claim 1 tired desk and chair that disappears, it is characterized in that: described 2 table legs are by setting of casing (1), hypomere has external screw thread and part to be arranged in setting of casing (1), thread connection has external diameter to constitute greater than the same table sleeve pipe (3) of the lifting fastening nut (2) of setting of casing (1), and positioning pipe (23) has been fixedly connected between two setting of casings (1); Described chair leg is provided with the be fixedly connected setting of casing (18) of firm frame (19) of lifting fastening hoop (17), lower end by the upper end, and the seat board fall way (16) that hypomere is socketed in the setting of casing (18) constitutes; Position-limiting tube (24) has been fixedly connected respectively between described setting of casing (18) and 2 setting of casings (1); Stay pipe (25) has been fixedly connected respectively between two ends of each position-limiting tube (24) and setting of casing (18) and the setting of casing (1).

3, by claim 1 or the 2 described myopia preventions tired desk and chair that disappears, it is characterized in that:

Described angle adjusting mechanism by: with the adjacent adjustable plate (20) of described table casing (11) base plate, the coupling spindle (5) that one end and adjustable plate (20) are fixedly connected, have perforation and with fixedly sleeved, the same circular arc of coupling spindle (5) on be distributed with the desk angle regulation and control dishes (4) of one group of perforation (9), the connection holes (26) of same table sleeve pipe (3) epimere and connection holes (15) constitute, connection holes (26) and coupling spindle (5) other end pivot bush unit, connection holes (15) connects with pin with perforation (9);