CN201790350U

CN201790350U - Chair back waist support structure

Info

Publication number: CN201790350U
Application number: CN2010202782782U
Authority: CN
Inventors: 何彦璋
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-28
Filing date: 2010-07-28
Publication date: 2011-04-13
Anticipated expiration: 2020-07-28

Abstract

The utility model provides a chair back waist support structure, which is provided with a chair back frame and a waist support. The chair back frame is at least provided with one chair back and one hook seat, a supporting surface is arranged on the upper side of the waist support with a radian, a bottom is arranged on the lower side of the waist support, the bottom is provided with a hook portion, and the hook portion and the hook buckle seat correspond to each other and are positioned in a fastening manner. Accordingly, the waist support is arranged on the chair back frame, the chair back waist support structure can support a waist of a human body by the aid of the design of the waist support when being used for seating, and has the efficacies of better comfortableness and higher structural strength.

Description

Chair back waist is by structure

Technical field

The utility model relates to a kind of chair back waist by structure, be in particular refer to possess a curved waist by with direct conflict back support human pressure's chair back waist by structure.

Background technology

Increase along with modern's work, reading time, the necessary sitting for a long time of many people is arranged on seat, and sit excessively for a long time, just make human vertebra produce grievous injuries such as interverbebral disc is outstanding, displacement, cause the modern to be very easy to occur serious sequelae such as sciatica or stiff spondylitis and produce because of the long-time compressing of body weight causes human vertebra.

Because the problems referred to above, in the streets there are many chair tools to increase a waist again in chair back place at present and lean on, make the user that waist when sitting idly is supported, in order to avoid long-time sitting and produce tired sense; Yet the waist of known chair tool leans on, and it is integrated with the chair tool having many, but angle that this integrated waist leans on or size can't meet the different user of various build, the unaccommodated anti-discomfort that increases in the use of build; Therefore have in addition and research and develop out the waist that can substitute formula and lean on, the waist that sees through its replaceable more different builds is by collocation, make the occupant acquire better comfortableness, see also the armchair structure that Fig. 1 disclosed of the novel patent No. M274028 patent of TaiWan, China, this armchair structure is provided with a support chip and a waist leans on placing part, wherein support chip one end of this structure is to be locked on the framework of Chair back, top-down bending also connects in the below and to establish this waist by placing part, though this structure has the collocation that replacement formula waist leans on, right top-down the curving inwardly that be set to this support chip, the radian design of this support chip can make when the occupant sits down, the pressure that leans on behind its waist makes support chip to intort, its strength that leans against belongs to a torsion that outwards overturns for the angle of bend of this support chip, and the structure reactance of no relative direction on pressure direction, therefore when this torsion after lower compression for a long time, can make support chip produce the effect that loses support to internal strain gradually, but if add rib on the lamellar body of this support chip to increase structural strength, then make support chip not have to be fit to bear and the degree of deformation of pressure produce the support comfortableness that the impairment waist leans on because of the framework of support chip bottom and Chair back there is no degree of deformation in locking.

The designer is because known disappearance is satisfied the spy to be designed to this case, and the phase can to improve existing shortcoming, can attain this kind product and cause perfect, desirable and practicality by the proposition of this case.

The utility model content

The purpose of this utility model is to be to provide a kind of chair back waist by structure, leans on direct conflict back support human pressure, to overcome the defective of prior art by curved waist.

For this reason, the utility model proposes a kind of chair back waist by structure, it has seat back frame, waist leans on; Wherein this seat back frame is provided with a chair back and a hook seat at least; This waist is by the tool radian, and this waist is provided with abutment face by the top, and the below is provided with the bottom, and this bottom has hook portion; This hook portion is corresponding with this hook seat and fasten the location, makes this waist by being arranged on this seat back frame.

Above-mentioned chair back waist is by structure, wherein, this abutment face is provided with a plurality of perforation, this chair back is for to be made of screen cloth, this chair back does not possess barriers such as cotton pad, foam or laminate between itself and this abutment face, and this seat back frame is provided with backboard, this backboard and this bottom mutually against, and on abutment face, respectively be provided with a sleeved part, and be arranged with flexible member between sleeved part.

The chair back waist that the utility model proposes is by structure, the hook seat that hook portion by seat back frame and waist lean on is corresponding and fasten the location, make this waist by being arranged on this seat back frame, waist leans on and can support the human body waist when the user takes, and possesses the better comfortableness and the effect of structural strength.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a sectional structure chart of the present utility model.

Fig. 4 A is user mode figure of the present utility model.

Fig. 4 B is the partial enlarged drawing at H place among Fig. 4 A.

Fig. 5 is another embodiment of the present utility model.

The main element label declaration:

1 seat back frame, 2 waists lean on

11 hook seats, 201 ribs

12 chair back, 202 bottoms

13 backboards, 2021 sleeved part

131 sleeved part, 203 support chips

204 perforation of 3 flexible members

9 seats, 205 abutment faces

21 hook portions

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model:

Consult the preferred embodiment figure that Fig. 1, Fig. 2 and chair back waist of the present utility model shown in Figure 3 lean on structure, wherein the utility model comprises that one has the seat back frame 1 of a hook seat 11, be arranged with a chair back 12 on this seat back frame 1, this chair back 12 is constituted by the screen cloth with gas permeability, and this chair back does not possess barriers such as the cotton pad of one deck, foam or laminate are arranged and is arranged on this seat back frame 1; This seat back frame 1 has a backboard 13, and this seat back frame 1 extends and the seat winding downwards by this backboard 13.

The utlity model has a waist by 2, this waist leans on 2 for to be the supporter of an arcuation and to offer a hook portion 21, wherein this hook portion 21 forms a rotating fulcrum with aforesaid these hook seat 11 corresponding and mutual fastenings, make this waist by 2 and aforesaid seat back frame 1 located by the fastening of this hook portion 21 and this hook seat 11, so that this waist is arranged on this seat back frame 1 by 2, wherein this waist is provided with a ribs 201 and a support chip 203 by 2 supporter middle section, this ribs 201 is located at a side of support chip 203 to increase structural strength, and support chip 203 upper ends have an abutment face 205, offer a plurality of perforation not of uniform size 204 on this abutment face 205, it is better and reduce the use of material and reduce weight by 2 o'clock gas permeabilities that these a plurality of perforation 204 can make user's health paste support this waist, and this waist has a bottom 202 by 2 belows, this bottom 202 has hook portion 21,202 of this bottoms can be resisted against this backboard 13 in these hook seat 11 tops, come from this waist and be subjected to the strength of conducting behind the human pressure so as to bearing by 2, and this strength is communicated on this backboard 13, wherein this bottom 202 respectively is provided with a sleeved part 2021 with this backboard 13 on abutment face, 131, and sleeved

part

2021,131 are arranged with a flexible member 3, this sleeved part 2021 in the present embodiment, 131 is the projection that protrudes relatively, so as to limiting this flexible member 3 between the two.

See also Fig. 4 A again, Fig. 4 B, aforementioned sleeved

part

2021,131 set flexible members 3 can cushion elastic force by forming between 2 the bottom 202 at backboard 13 and this waist of seat back frame 1, make this seat back frame 1 and waist replaced by the human pressure by 2 and the power that increases buffering when rotating by being incorporated in this waist in this hook portion 21 and aforesaid these hook seat 11 buttons between 2, make the user not produce recoil strength by 2 when sitting because of waist this waist of directly conflicting, thereby comfort, and avoid excessive stress to concentrate on backboard 13 and this waist by between the abutment face of 2 bottom 202 and damaged structure, wherein this flexible member 3 is a spring, the application of shell fragment or elastic block rubber.

See also Fig. 5, after the utility model is installed in seat 9, user's waist just can be fixed against waist across the chair back 12 and lean on 2, therefore this chair back 12 is necessary for the supporting surface of simple layer and makes this waist just can replace the waist that supports the user across the chair back 12 by 2 abutment face 205 enough, therefore this waist by 2 for as screen cloth etc. have enough elasticity and toughness can be in the material that supports body weight generation tension force when pressured, so user's waist is fixed against waist by on 2 the time, this waist can be swung back after bearing the human pressure by 2 thereupon a little, one can make waist have the effect of buffering, two body weight pressure of coming the chair back 12 of tool elasticity and toughness can disperse the user, produce the active force that supports, this waist is the elevation angle upwards by 2 angles that presented again, when it supports the human pressure, its strength is for being transmitted on this ribs 201 and the support chip 203, the structural strength of ribs 201 and support chip 203 is directly corresponding to human pressure's direction, therefore waist can not produce excessive torque by structure, add the effect of the flexible member tool buffering of setting, so the utility model possesses better structural strength; Add this waist and lean on the perforation 204 of being offered on 2, support this waist by 2, also do not have sultry situation generation even user's health pastes for a long time.

Again waist by the design of hook portion 21 unique on 2 can be quick and easy be positioned on the seat back frame 1 the hook seat 11 of collocation mutually, not only significantly reduce the time of product assembling, and omit scrappy element cost and loaded down with trivial details spiral shell group programs such as known screw, nut, the production cost is reduced, seat back frame 1 of the present utility model in addition and waist can each select for use the material that is fit to be shaped according to different functional characteristics respectively by 2, and the application height of product again can the person of being used needs to arrange in pairs or groups.

The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims

1. a chair back waist is characterized in that by structure described chair back waist comprises by structure:

Seat back frame, described seat back frame are provided with a chair back and a hook seat at least;

Waist leans on, and described waist is by the tool radian, and described waist is provided with abutment face by the top, and the below is provided with the bottom, and described bottom has hook portion;

Wherein said hook portion and fastening location corresponding with described hook seat, described waist is by being arranged on the described seat back frame.

2. chair back waist as claimed in claim 1 is characterized in that by structure described abutment face is provided with a plurality of perforation.

3. chair back waist as claimed in claim 1 is characterized in that by structure the described chair back is for to be made of screen cloth.

4. chair back waist as claimed in claim 1 is characterized in that by structure described seat back frame is provided with backboard.

5. chair back waist as claimed in claim 4 is characterized in that by structure, described backboard and described bottom mutually against, and on abutment face, respectively be provided with a sleeved part, be arranged with flexible member between described sleeved part.