CN2812711Y

CN2812711Y - Multifunction office chair

Info

Publication number: CN2812711Y
Application number: CNU2005201132983U
Authority: CN
Inventors: 董明
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-29
Filing date: 2005-07-29
Publication date: 2006-09-06
Anticipated expiration: 2015-07-29

Abstract

The utility model provides a multifunctional office chair, which relates to a chair. The multifunctional office chair comprises a supporting frame, a seat cushion frame, a backrest frame which is installed on the supporting frame, and a backrest which is installed on the backrest frame, wherein the supporting frame is provided with a converting device which converts the backrest frame to a kneeling pad frame. The utility model has the advantage that the utility model can realize the random conversion of three different sitting postures. When a user feels tired at the back, the user can kneel for a while with the knees; when the user feels tired at the knees, the legs can be placed on the kneeling pad for a sufficient rest, or the user can lean against the backrest for a while. Because sitting postures can be changed, the weight of a body is borne by different parts respectively by turns so that a user does not easily get tired no matter how long the user sits. In addition, the utility model can effectively prevent a stoop and myopia and has superiority any other chair can not compare with.

Description

Multi-function ofice chair

Technical field

The utility model relates to a kind of chair, especially a kind of multi-function ofice chair of can conversion multiple different seat appearances.

Background technology

The structure of existing chair comprises supporting leg, seat cushion, backrest etc., usually seat cushion and backrest are the combination of flat square type, when taking one's seat, human weight is mainly by buttocks, and waist and shank bear, when bending over the desk study or work, angle between upper body and the thigh is generally less than 90 degree, the tall and straight main subjective consciousness of back by the people, but owing to people's notice mainly concentrates in study or the work, tired easily in addition, long slightly upper body of time then bending is the C type, spinal curvature, shank, waist and buttocks burden cause and ache all over, can't stand, the table of lying prone of must not bending over then, eyes and desktop normalized distance guarantee from being difficult to, cause myopia and bow-backed thus.We can say that this structural defective of traditional tables and chairs is the arch-criminals that cause myopia and hunch.In addition, use traditional chair to have only a kind of appearance usually, be to keep 90 degree between upper body and the thigh or, be at most to walk around about foot lands, make waist movable a little less than a kind of appearances of 90 degree, but this activity only is confined in the very little scope, and can not tackle the problem at its root, for the people who bends over one's desk working for a long time, learns, any comfortable posture, for a long time seat still can lumbar fatigue, back aches, even Swollen Legs.

The utility model content

The purpose of this utility model is at above-mentioned technology the deficiencies in the prior art, provide a kind of not only can the multiple seat of conversion appearance, use comfortable, and multi-function ofice chair that can effectively pre-myopia prevention.

For achieving the above object, the utility model adopts following technical scheme:

The utility model multi-function ofice chair comprises bracing frame, seat frame and is installed in back rest on the bracing frame, is installed in the backrest on the back rest, and the conversion equipment that back rest is converted to the hassock frame is installed on the wherein said bracing frame.

Wherein said bracing frame comprises mobile chassis and the lifting supporting leg that is installed on the mobile chassis.

Preferably, described lifting supporting leg is vapour-pressure type elevating lever, hydraulic type elevating lever or jacking sleeve.

Wherein said back rest comprises backrest support rods and the backrest mounting rod that links together, described conversion equipment comprises the drawer that is installed on the bracing frame, wherein respectively be provided with a chute on the left and right wall of drawer, in two chutes sliding screw is installed, the slotted hole that described backrest support rods is passed the drawer rear wall is connected on the sliding screw, and the dog screw that is used for fixing backrest support rods is installed on the base plate of drawer.

The sidewall front, the left and right sides of wherein said drawer is rotatablely equipped with the bracket adjustment bolt, is fixed with support on the bracket adjustment bolt, and described seat frame is rotatably connected on the drawer back.

Wherein said backrest support rods and backrest installing plate are rotatably connected.

Preferably, described backrest support rods and backrest installing plate are installed together by many grades of foldings.

Wherein said backrest is rotatably connected on backrest installing plate end.

The advantage and the good effect of multi-function ofice chair of the present utility model are: because comprise the conversion equipment that back rest is converted to the hassock frame in its structure, so the utlity model has at least two kinds of different seat appearances, a kind of posture with use common seat identical, be that buttocks is sitting on the seat cushion, back rests on the backrest, sole support ground; Another kind of posture is exactly when back rest converts the hassock frame to, buttocks still is sitting on the seat cushion when taking one's seat, and knee and calf just withstand on the hassock, are Straddle riding type, and whole body weight is born by buttocks and knee decomposition, utilize mechanics principle and organization of human body characteristics dexterously, naturally vertebra is stretching, be end seat posture, this seat appearance is when straightening oneself, can also guarantee the distance between eyes and the books, prevent myopia.In addition,, can arbitrarily change, regulate the force part owing to have at least two kinds of seat appearances and can select, be not only seat with comfortable, can also alleviate fatigue very effectively, not tired naturally can hunch, also just can be near-sighted.

Description of drawings

Fig. 1 is the stereogram of first kind of embodiment of the utility model multi-function ofice chair;

Fig. 2 is the stereogram of first kind of embodiment of the utility model multi-function ofice chair, has wherein removed backrest and seat cushion;

Fig. 3 is the stereogram of second kind of embodiment of the utility model multi-function ofice chair;

Fig. 4 is the stereogram of second kind of embodiment of the utility model multi-function ofice chair, has wherein removed backrest and seat cushion;

Fig. 5 is the stereogram of the third embodiment of the utility model multi-function ofice chair.

The specific embodiment

Below in conjunction with accompanying drawing, further describe the specific embodiment of the utility model multi-function ofice chair.

In the utility model, during for the conventional chair state, it is the back that backed one side is installed, and the another side opposite with it is the front.

Referring to Fig. 1 and Fig. 2.First kind of embodiment of the utility model multi-function ofice chair comprises bracing frame, seat frame 7, back rest, and is installed in the conversion equipment that back rest is converted to the hassock frame between bracing frame and the seat frame 7.Wherein bracing frame comprises mobile chassis 9 that can arbitrarily move by castor and the lifting supporting leg 10 that is installed on the mobile chassis 9, and lifting supporting leg 10 is vapour-pressure type elevating lever, hydraulic type elevating lever or jacking sleeve.Back rest comprises backrest support rods 3 and the backrest mounting rod 4 that is rotatably connected by many grades of foldings, and backrest support rods 3 and backrest mounting rod 4 also can be rotationally connected by other modes.Conversion equipment comprises the drawer 11 that is installed on the bracing frame, wherein respectively be provided with a chute on the left and right wall of drawer 11, sliding screw 6 is installed in two chutes, the slotted hole that described backrest support rods 3 is passed drawer 11 rear walls is connected on the sliding screw 6, and the dog screw 5 that is used for fixing backrest support rods 3 is installed on the base plate of drawer 11.The sidewall front, the left and right sides of drawer 11 is rotatablely equipped with bracket adjustment bolt 1, is fixed with support 2 on the bracket adjustment bolt 1, and described seat frame 7 is rotatably connected on drawer 11 back by hinge 8 or other modes.Be rotatably connected to backrest 12 in backrest installing plate 4 ends, on seat frame 7, be provided with seat cushion 13.

In first kind of embodiment, support 2 and most of backrest support rods 3 all are hidden in the drawer 11, and sliding screw 6 is positioned at the front of drawer 11 chutes, and dog screw 5 is in the screwed in place state.During use, be equivalent to a kind of common seat, bracing frame and whole seat can arbitrarily move by the castor of installing on its chassis, and the weight of health is mainly born by buttocks and waist.

Referring to Fig. 3 and Fig. 4.Second kind of embodiment of expression the utility model multi-function ofice chair, its structure and first kind of embodiment are basic identical, difference only is: by turning bracket adjustment bolt 1 support 2 is adjusted to vertical duty, support 2 is upwards propped the front side of seat frame 7 and seat cushion 13, and it is tilted a little; Dog screw 5 is in the stand-by state that loosens; Sliding screw 6 is positioned at the back of drawer 11 chutes, thereby makes backrest support rods 3, backrest mounting rod 4 and backrest 12 all downward-sloping, and backrest 12 is lower than seat cushion 13, and at this moment, back rest just has been converted into the hassock frame, correspondingly, 12 one-tenth on backrest hassock.During use, people's face orientation is opposite with first kind of embodiment, and posture is: buttocks is sitting on the seat cushion 13, and knee and calf withstand on the hassock, is decomposed by buttocks and knee and bears body wt.This kind seat appearance is Straddle riding type, utilizes mechanics principle and organization of human body characteristics dexterously, and is naturally that vertebra is stretching, is end seat posture, helps preventing myopia and hunch.So second kind of embodiment of the present utility model is equivalent to have the posture correcting chair of correcting function.

Referring to Fig. 5.The third embodiment of expression the utility model multi-function ofice chair, its structure and second kind of embodiment are basic identical, and difference only is: backrest 12 outwards flips an angle with respect to backrest mounting rod 4.During use, people's face orientation is identical with second kind of embodiment, and posture is: buttocks is sitting on the seat cushion 13, and knee and calf ride over above the hassock, and knee and shank are fully had a rest.This kind seat gesture is aching and limp easily for shank, the people of swelling is useful especially, has certain health care.

We know, no matter how comfortable seat, and any posture seat is of a specified duration all can feel tired.Multi-function ofice chair of the present utility model, can realize the random conversion of three kinds of different seat appearances, back is by tired, can kneel for a moment by useful knee, knee has tired out, can ride over fully have a rest on the hassock or again with back by for a moment, because the seat appearance is convertible, the weight of health by different positions respectively, bear in turn, so how long also no matter sit indefatigability, have other any seats incomparable superiority.

Multi-function ofice chair of the present utility model not only is applicable to the office space, school, family, office, kindergarten, market, supermarket, or the like, every usefulness obtains the place of chair, and the utility model all is best selection.

More than be preferred forms of the present utility model, according to the disclosed content of the utility model, some identical, replacement schemes that those of ordinary skill in the art can expect apparently all should fall into the scope that the utility model is protected.

Claims

1. multi-function ofice chair comprises bracing frame, seat frame (7) and is installed in back rest on the bracing frame, is installed in the backrest (12) on the back rest, it is characterized in that being equipped with on the support frame as described above conversion equipment that back rest is converted to the hassock frame.

2. multi-function ofice chair according to claim 1 is characterized in that support frame as described above comprises mobile chassis (9) and is installed in lifting supporting leg (10) on the mobile chassis (9).

3. multi-function ofice chair according to claim 2 is characterized in that described lifting supporting leg (10) is vapour-pressure type elevating lever, hydraulic type elevating lever or jacking sleeve.

4. multi-function ofice chair according to claim 1, it is characterized in that described back rest comprises backrest support rods (3) and the backrest mounting rod (4) that links together, described conversion equipment comprises the drawer (11) that is installed on the bracing frame, wherein respectively be provided with a chute on the left and right wall of drawer (11), sliding screw (6) is installed in two chutes, the slotted hole that described backrest support rods (3) is passed drawer (11) rear wall is connected on the sliding screw (6), and the dog screw (5) that is used for fixing backrest support rods (3) is installed on the base plate of drawer (11).

5. multi-function ofice chair according to claim 4, the sidewall front, the left and right sides that it is characterized in that described drawer (11) is rotatablely equipped with bracket adjustment bolt (1), be fixed with support (2) on the bracket adjustment bolt (1), described seat frame (7) is rotatably connected on drawer (11) back.

6. multi-function ofice chair according to claim 4 is characterized in that described backrest support rods (3) and backrest installing plate (4) are rotatably connected.

7. multi-function ofice chair according to claim 6 is characterized in that described backrest support rods (3) and backrest installing plate (4) are installed together by many grades of foldings.

8. according to the arbitrary described multi-function ofice chair of claim 1-7, it is characterized in that described backrest (12) is rotatably connected on backrest installing plate (4) end.