CN201630606U

CN201630606U - Combined type foldable anti-myopia desk and chair

Info

Publication number: CN201630606U
Application number: CN2009202933243U
Authority: CN
Inventors: 蒋海生
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2010-11-17
Anticipated expiration: 2019-12-18

Abstract

The utility model discloses combined type foldable anti-myopia desk and chair which include a desktop, a chair surface and a supporting frame; both the desktop and the chair surface are movably hinged with the supporting frame through a cross bar; the supporting frame consists of a double four-connecting bar mechanism provided with two shared connecting bars which are movably hinged in a cross way; a reserved T-shaped structure is formed by the connecting bars used as desk legs and chair legs and supporting legs; moreover, a lower jaw pressure pin and a book shelf capable of preventing myopia are arranged. The combined type foldable anti-myopia desk and chair combine a desk and a chair daily used by students into a whole body through a foldable connecting bar mechanism, which can save the storage space, is extremely convenient for conveying and carrying desk and chair, is suitable for families and schools to use, has the anti-myopia effect, and can promote the health growth of youth students. The whole combined type foldable anti-myopia desk and chair have simple structures, are easy to be realized, and can greatly save processing cost.

Description

The collapsible desk for preventing myopia chair of combined type

Technical field

The utility model relates to a kind of desk, is specifically related to a kind of collapsible desk for preventing myopia chair of combined type for student's use.

Background technology

Traditional student desk and chair fixing desk and chairs of adopting are arranged in pairs or groups more, and floor space is big when not using, be difficult for storing, and the situation that causes entanglement to lose easily, do not have the function of pre-myopia prevention simultaneously yet.

The utility model content

The purpose of this utility model provides a kind of combined type tables and chairs that use for the student, has folding functional, and can conveniently fold, store and carry, and myopia prevention in advance.

For achieving the above object, by the following technical solutions:

The collapsible desk for preventing myopia chair of a kind of combined type comprises desktop, seat and bracing frame, it is characterized in that described desktop and seat all are movably hinged by a cross bar and support frame as described above; Support frame as described above is made up of the double-four link mechanism with two shared connecting rods, and two shared connecting rods intersections are movably hinged, as the connecting rod and the feet formation inverted T-shaped structure of table leg and chair leg.

Also comprise a chin pressure pin, described chin pressure pin is connected with bracing frame by the lifting Slide bar structure, its height is adjustable according to user's actual needs, with guarantee user's reading or when writing and books keep suitable distance, correct the daily incorrect sitting-pose of user, the vertebra depauperation that eyesight weakens and abnormal sitting posture really causes of effectively avoiding user's visual fatigue to cause.

Described table leg and chair leg all adopt the liftable Slide bar structure, and the user can regulate the height of whole tables and chairs within the specific limits according to the health height.

Comprise that also a rotating bookshelf and described desktop are movably hinged, and make things convenient for the user to place books.

The utility model beneficial effect is, student's desk used in everyday and chair are combined into one by folding linkage, can save the storage area, greatly facilitates the transportation and the carrying of desk and chair, is fit to the use of family and school; Effect with pre-myopia prevention can promote growing up healthy and sound of adolescent student; Whole tables and chairs are simple in structure, are easy to realize, can save processing cost greatly.

Description of drawings

According to embodiment and accompanying drawing the utility model is described in further detail below.

Fig. 1 is the deployed condition perspective view of the described tables and chairs of embodiment;

Fig. 2 is the side deployed condition structural representation of the described tables and chairs of embodiment;

Fig. 3 is the folded state structural representation of the described tables and chairs of embodiment.

Among the figure:

1, desktop; 2, seat; 3, table leg; 4, depression bar; 5, pull bar one; 6, pull bar two; 7, connecting rod; 8, chair leg; 9, cross bar; 10, support bar; 11, chin pressure pin; 12, bookshelf; 13, cross bar; 14, feet.

The specific embodiment

As Fig. 1, Fig. 2 with Figure 3 shows that a specific embodiment of the collapsible desk for preventing myopia chair of combined type described in the utility model, comprise desktop 1 and seat 2, form the bracing frame with two four-bar linkage structures by table leg 3, depression bar 4, pull bar 1, pull bar 26, connecting rod 7, chair leg 8, depression bar 4, pull bar 1 form cross-articulation; Wherein table leg 3, depression bar 4, pull bar 1, pull bar 26 are formed a quadric chain, and depression bar 4, pull bar 26, connecting rod 7, chair leg 8 are formed the another one quadric chain.

When whole tables and chairs as shown in Figure 2 in opened condition the time, because table leg 3 and chair leg 8 are certain inclination angle and open to both sides, make to press to be attached on the pull bar 26 that seat 2 other ends are placed on the vertical cross bar 9 that joins with pull bar 26 tail ends simultaneously with the hinged cross bar 13 of seat 2; The left side quadric chain draws back the formation triangular structure, thereby makes whole bracing frame form a stable vertical supporting construction; Table leg 3 is connected with feet 14 respectively with chair leg 8, forms the inverted T-shaped structure, makes the rock-steady structure that has horizontal direction when whole supporting construction is placed on the ground simultaneously; Can become a firm integral body when opening thereby make whole tables and chairs be combined in, offer the user and normally use; Table leg 3 and chair leg 8 all adopt the liftable Slide bar structure, and the user can regulate the height of whole tables and chairs within the specific limits according to the health height.

One end of desktop 1 is hinged by cross bar 13 and bracing frame, and the other end is also hinged with support bar 10 by a cross bar 13, and when opening, support bar 10 props up at an angle on table leg 3, makes desktop keep level; Other has a rotating bookshelf 12 to be movably hinged with described desktop 1, makes things convenient for the user to place books.

Also comprise a chin pressure pin 11, described chin pressure pin 11 is connected with bracing frame by the lifting Slide bar structure, its height is adjustable according to user's actual needs, with guarantee user's reading or when writing and books keep suitable distance, correct the daily incorrect sitting-pose of user, the vertebra depauperation that eyesight weakens and abnormal sitting posture really causes of effectively avoiding user's visual fatigue to cause.

Fig. 3 has provided the folded state diagram of above-mentioned tables and chairs, and under folded state, the occupied useful space of this combined table and chair assembly can be dwindled greatly, can save the storage area, greatly facilitates the transportation and the carrying of desk and chair, is fit to the use of family and school.

Claims

1. the collapsible desk for preventing myopia chair of combined type comprises desktop, seat and bracing frame, it is characterized in that described desktop and seat all are movably hinged by a cross bar and support frame as described above; Support frame as described above is made up of the double-four link mechanism with two shared connecting rods, and two shared connecting rods intersections are movably hinged, as the connecting rod and the feet formation inverted T-shaped structure of table leg and chair leg.

2. the collapsible desk for preventing myopia chair of a kind of combined type according to claim 1 is characterized in that, also comprises a chin pressure pin, and described chin pressure pin is connected with bracing frame by the lifting Slide bar structure.

3. the collapsible desk for preventing myopia chair of a kind of combined type according to claim 1 is characterized in that described table leg and chair leg all adopt the liftable Slide bar structure.

4. the collapsible desk for preventing myopia chair of a kind of combined type according to claim 1 is characterized in that, comprises that also a rotating bookshelf and described desktop are movably hinged.