CN206714499U - A kind of chair - Google Patents

Abstract

It the utility model is related to a kind of chair,Including chair leg,Seat support and the chair back,The chair back is the symmetrical structure in left and right,Between the top and bottom of the unilateral chair back connection transition is realized by pressing from both sides waist,Pressing from both sides waist, counter-clockwise helical formula rises from the bottom up,Protruded to inner side arc and the middle part width of the chair back is less than the lower width of the chair back in the middle part for pressing from both sides waist,The folder waist counter-clockwise helical formula rises to form an inclined-plane,The back both sides of people can be bonded inclined-plane,When people is sitting on chair of the present utility model,Oblique at left and right sides of people back is bonded by inclined-plane to be supported,The folder waist arc protrusion of spiral escalation makes the middle part width of the chair back diminish so as to which internal pressure fixes vertebra,Meet ergonomic designs,People, which is seated when leaning against, to be felt as snug as a bug in a rug,To spondylodynia,Protrusion of lumber intervertebral disc,Cervical spondylopathy has prevention effect,Be advantageous to health,In addition,People can scrape folder waist with back,Massage is realized using the spiral thread for pressing from both sides waist,Fatigue-relieving.

Description

A kind of chair

Technical field

It the utility model is related to chair, and in particular to a kind of chair.

Background technology

Chair be it is a kind of have an also armed thing to sit on of backrest, some, its classification by use has office chair, dining chair, chair, stopped Not busy chair, chaise longue, chair special etc., existing common Chair structure are all that back is upright, are seated for a long time, easily produce vertebra Disease, it is unfavorable for health, some chair back is also cambered or elastic, and people, which takes, can feel more comfortable, but people sits for a long time Incorrect sitting-pose can be formed by, and trigger protrusion of lumber intervertebral disc, cervical spondylopathy etc..

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of backrest that is comfortable, being advantageous to health that is seated Chair, concrete technical scheme are as follows：

A kind of chair, including chair leg, seat support and the chair back, the chair back are the symmetrical structure in left and right, and the chair back is by three frame groups Into and middle hollow out, between the top and bottom of the unilateral chair back by press from both sides waist realize connection transition, folder waist it is inverse from the bottom up Hour hands spiral escalation, the middle part for pressing from both sides waist are protruded to inner side arc and make the middle part width of the chair back wide less than the bottom of the chair back Degree.

Preferably, the folder waist counter-clockwise helical formula rises to form an inclined-plane, and the back both sides of people can be bonded inclined-plane.

Preferably, the spiral angle of the folder waist is 45~75 °.

Preferably, interior curved rest portions are provided with the top of the chair back.

Preferably, chair is made of solid wood.

The beneficial effects of the utility model：When people is sitting on chair of the present utility model, the abdomen at left and right sides of people back Internal oblique muscle is bonded by inclined-plane and supported, and the folder waist arc protrusion of spiral escalation makes the middle part width of the chair back diminish so as to which internal pressure is consolidated Determine vertebra, meet ergonomic designs, people, which is seated when leaning against, to be felt as snug as a bug in a rug, to spondylodynia, protrusion of lumber intervertebral disc, cervical vertebra Disease has prevention effect, is advantageous to health, in addition, people can scrape folder waist with back, is realized and pressed using the spiral thread for pressing from both sides waist Rub, fatigue-relieving.

Brief description of the drawings

Fig. 1 is stereogram of the present utility model；

Fig. 2 is front view of the present utility model；

Fig. 3 is side view of the present utility model.

Embodiment

Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described further：

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified position or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded The concrete meaning of term in the present invention.

As shown in Figures 1 to 3, a kind of chair, including chair leg 1, seat support 2 and the chair back 3, the chair back 3 are symmetrically tied for left and right Structure, the chair back 3 are made up of and middle hollow out three frames, are connected between the top and bottom of the unilateral chair back by pressing from both sides the realization of waist 4 Cross, counter-clockwise helical formula rises folder waist 4 from the bottom up, and the middle part for pressing from both sides waist 4 is protruded to inner side arc and makes the middle part of the chair back Width L1 is less than the lower width L2 of the chair back, and the folder counter-clockwise helical formula of waist 4 rises to form an inclined-plane 41, and people is sitting on seat support 2 When, back is leaned against on the chair back 3, and in the openwork part of the vertebra insertion chair back 3, back both sides are clamped by folder waist 4, and in the abdomen of people Oblique is bonded support by inclined-plane 41, and people, which is seated when leaning against, to be felt as snug as a bug in a rug.

In addition, the spiral angle of the folder waist 4 is 45~75 °, rotation rising meets ergonomic designs, and people can use Back scrapes folder waist 4, realizes massage using the spiral thread for pressing from both sides waist 4, fatigue-relieving, more comfortable in order to be seated, the chair back 3 pushes up Portion is provided with interior curved rest portions 5, and rest portions 5 are connected to two tops of folder waist 4, and chair of the present utility model uses solid wood Be made, it is durable, be not easy to loosen, on floor dragging will not have an ear-piercing sound, it is thick and heavy, be not easy to be knocked over or moved when using, Convenient use person is frequently utilized that folder waist 4 is massaged, and specious generous, non-corrosive is cool in summer and warm in winter, can use for a long time.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that specific implementation of the present utility model is confined to these explanations, for the ordinary skill of the utility model art For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims (5)

1. a kind of chair, including chair leg, seat support and the chair back, it is characterised in that：The chair back is the symmetrical structure in left and right, the chair back by Three frames form and middle hollow out, between the top and bottom of the unilateral chair back by press from both sides waist realize connection transition, folder waist from Under up counter-clockwise helical formula rise, press from both sides the middle part of waist and protruded to inner side arc and the middle part width of the chair back is less than the chair back Lower width.

A kind of 2. chair according to claim 1, it is characterised in that：The folder waist counter-clockwise helical formula rises to be formed One inclined-plane, the back both sides of people can be bonded inclined-plane.

A kind of 3. chair according to claim 1, it is characterised in that：The spiral angle of the folder waist is 45~75 °.

A kind of 4. chair according to claim 1, it is characterised in that：Interior curved rest portions are provided with the top of the chair back.

A kind of 5. chair according to claim 1, it is characterised in that：It is made of solid wood.