CN1626003A

CN1626003A - Hood cloth tension gear of chair

Info

Publication number: CN1626003A
Application number: CNA2004101002621A
Authority: CN
Inventors: 冈本安都夫
Original assignee: UCHIDA YOYUKI CO Ltd
Current assignee: UCHIDA YOYUKI CO Ltd
Priority date: 2003-12-10
Filing date: 2004-12-10
Publication date: 2005-06-15
Anticipated expiration: 2024-12-10
Also published as: KR20050056860A; TW200526148A; JP2005168746A; CN100512718C; KR101058629B1; TWI369192B; JP4642346B2

Abstract

The object of the invention is to easily respond to various kinds of needs, to facilitate the attaching/detaching, and at the same time, to easily perform the sorting process for different kinds of materials at the time of disposal. A core material 7 having the shape of a backrest is attached to the rising section 4a of a back frame 4 which is so supported as to tilt backward by a receiving platform 3 being supported by a leg post 1. A cushion material 8 such as a urethane foam is attached to the back placing surface side of the core material, and a fabric cover 9 is placed on the core material including the cushion material to form the backrest 6 for this chair. In the chair, a hook-shaped protrusion 11 is provided at a plurality of locations on the core material 7. The fabric cover 9 which is formed into a bag-shape is placed on the core material, and the fabric of the fabric cover is fixed by hooking it on the hook-shaped protrusions. The existing sections of the hook-shaped protrusions are covered with a decorative cover 12 made of a synthetic resin. Thus, the wrinkle cutoff of the fabric cover and the concealing of the hook-shaped protrusions are performed by the decorative cover and the core material.

Description

The hood cloth tension gear of chair

Technical field

The present invention relates to chair, particularly relate to the hood cloth tension gear of the sheet that is used to install the surface that constitutes chair.

Background technology

Recent office's chair, purposes presents variation, and desired design pattern also is various.

In order to increase style in the economy that keeps manufacturing cost, being necessary can also be according to the multiple conversion pattern that requires when using common component.

On the other hand, from ecological viewpoint, also requirement can be carried out the replacement of parts simply, and can easily carry out when discarded according to other classification dismounting of material type.

Owing to above reason, backrest about chair has proposed following structure: the back of the body framework that is supported on the base on the leg freely that recedes is provided with the core that forms back rest shape, be coated with the sheet of making pouch from the top of this core, close and sheet is installed on the core by the peristome of sheet being ordered with slide fastener, plane slide fastener etc.(with reference to patent documentation 1)

Perhaps, also can sheet be fixed on the core by seam pleat instrument.

But owing to be used to order the slide fastener that closes sheet and contain metal material, and the plane slide fastener is made by synthetic resin, therefore after changing sheet it when discarded, must be taken off these slide fasteners from sheet, has the relatively more bothersome problem of its sort operation.

In addition, by the fixing sheet of seam pleat instrument, owing to seam pleat instrument will be thrown into and is pressed into, so be not easy it is taken out, the replacing of sheet is cumbersome, does not also allow to carry out sort operation.

Patent documentation 1 spy opens the 2003-79487 communique

Summary of the invention

The framework of chair of the present invention is shared structure, coat by the sheet that is used as surfacing, can easily satisfy color, texture and other multiple needs, and the replacing in the time of can easily discarding operation, according to the sort operation that the material kind is carried out, its problem is to seek to improve significantly on the basis of simplified structure operability.

As the device that solves above-mentioned problem, chair of the present invention, at the pillar upper support base is arranged, the core of back rest shape is installed on the rising portions that is supported on the back of the body framework on the aforementioned base freely that can fascinate backward, with contacted one side of back the cushion pad parts of polyurethane foam etc. are installed at this core, on the core that comprises these cushion pad parts, be coated with sheet, with this as backrest, it is characterized in that, a plurality of positions of aforementioned core are provided with hamulus, the sheet that forms bag shape is covered on the core and the fabric of sheet hung on the aforementioned hamulus and fix, the trim made from synthetic resin covers the part that has this hamulus, eliminates the fold of sheet and hides hook-shaped projection by this trim and core.

In addition, the invention is characterized in, aforementioned sheet be provided with connecting hole with the corresponding position of aforementioned hamulus, by this connecting hole is sticked in the hamulus and sheet is installed on the core.

In addition, the present invention, in aforesaid chair, it is characterized in that, be formed with in the bottom of sheet and be used to engage aforementioned hook-shaped connecting hole, after covering sheet on the core that includes aforementioned cushion pad parts, by applying tension force aforementioned hook-shaped is connected in the aforementioned connecting hole, the lower cover that is used for hiding aforementioned hook-shaped Access Division is installed in the lower end of aforementioned core.

In addition, the present invention, in aforesaid chair, it is characterized in that, on the bottom of core, be formed with a plurality of connecting holes, after sheet being covered on the core that includes aforementioned cushion pad parts, together be pressed into and be fixed in the aforementioned connecting hole by the fabric of pin sheet, the lower cover that is used for hiding the Access Division that is formed by aforementioned pin is installed in the lower end of aforementioned core.

According to the present invention, after covering sheet on the core, only hang on the hamulus that is arranged on the core and just can carry out the installation of sheet, therefore, when the installation of sheet, needn't use special instrument just can easily carry out fitting operation by fabric with sheet.

In addition, in the replacing of sheet, when discarding, owing to only take off action by taking off trim and sheet being taken off just can finish from hamulus, so it is easy and simple to handle, after taking off, owing to do not have the subsidiary parts that the material of other kinds is arranged on the sheet, so do not need sort operation, processing in the time of can easily discarding is exceedingly useful from ecological viewpoint.

After installing sheet,,, can not impair design as chair so can't see fully from the outside owing to hide the shackle portion that forms by hamulus by trim.

In addition, according to the present invention, only just extract and to dismantle by the hook-shaped connecting hole that takes off lower cover, will be inserted in the cylindrical portion of bottom of sheet from core one side, in addition, only by hook-shaped is just extracted and can simply hook-shaped be taken off from sheet from cylindrical portion, therefore, can easily carry out sort operation.

In addition, according to the present invention, similarly take off lower cover, extract pin and just sheet can be taken off, because pin is only inserted the fabric of logical sheet, thus can take out simply, and can easily carry out sort operation.

Description of drawings

Fig. 1 is the side view that an embodiment of chair of the present invention is used in expression.

Fig. 2 is the front view that an embodiment of chair of the present invention is used in expression.

Fig. 3 is the front view of the core of an embodiment of the invention.

Fig. 4 is the amplification view along the A-A line of Fig. 3.

Fig. 5 is the amplification view along the B-B line of Fig. 1.

Fig. 6 is the amplification view of the part of Fig. 5.

Fig. 7 is other the figure suitable with Fig. 6 of embodiment that chair of the present invention is used in expression.

Fig. 8 is expression other the side view of chair of embodiment of the present invention.

Fig. 9 is the amplification view of the major part of expression other embodiments of using chair of the present invention.

Figure 10 is other the figure suitable with Fig. 9 of embodiment that chair of the present invention is used in expression.

The specific embodiment

Fig. 1～Fig. 6 represents an embodiment of the invention, and Fig. 1 represents to use the side view of chair of the present invention, and Fig. 2 represents the front view of above-mentioned chair, and the structure of this chair generally is object with the chair that uses in office.

The general configuration of this chair is to be made of base 3, back of the body framework 4, seat portion 5 and backrest 6, and aforementioned base 3 can be regulated height and can be supported on rotatably on the pin pillar 2, and these pin pillar 2 upright being located on the leg 1 of being with return pulley; Back of the body framework 4 can fascinate backward and is bearing in freely on the aforementioned base 3, and its rear portion is swelled upward and formed rising portions 4a; Aforementioned seat portion 5 is arranged on the aforementioned base 3; Aforementioned backrest 6 is supported on the rising portions 4a of aforementioned back of the body framework 4.

Aforementioned backrest 6 comprises: the rising portions 4a that is arranged at aforementioned back of the body framework 4 integratedly goes up and forms the resin making sheet shape core 7 of back rest shape, add the cushion pad parts 8 that constitute in this core 7 and the elastomer by polyurethane foam etc. contacted one side of back, include these cushion pad parts 8 and form the sheet 9 of the bag shape that covers from the top of core 7, be provided with the underframe 10 of aluminum in the lower end of aforementioned core 7, this underframe 10 and aforementioned back of the body framework 4 come down to one.

In the above-described embodiment, as shown in Figure 3, the peripheral part at the half area 7a at the back side of aforementioned core 7 leaves required compartment of terrain mutually and is formed with a plurality of

hamulus

11,11.......

This hamulus 11, shown in the one as shown in Figure 4 cutaway view that amplifies, it forms the cutting standing shape on the outer surface of core 7, its jag 11a forms the direction towards the central authorities of the half area 7a of core 7, the core 7 that comprises aforementioned cushion pad parts 8 from last direction covers the sheet 9 that forms bag shape, by its bottom part is drawn on one side to the center direction of core 7 on one side it is hung on each aforementioned hamulus 11, the 11......, it is installed as the tensioning state that closely contacts with core 7 and cushion pad parts 8.

On the outer surface of the half area 7a that is equivalent to aforementioned core 7, in the scope on the top that arrives aforesaid frame 10, fix or mode such as embedding is equipped with resinous trim 12 by screw element, hide the shackle portion that forms by

aforementioned hamulus

11,11...... by this trim 12 and core 7, and the edge portion and the core 7 of the upper limb by trim 12 are pushed sheet 9, thereby make sheet 9 tensionings, eliminate gauffer, the shape of arrangement sheet 9.

Therefore,, when sheet 9 is installed, only be suspended to respectively on hamulus 11, the 11......, just can be fixed the coating that can fabric is tensioned by a plurality of positions with the below part of the fabric of sheet 9 according to present embodiment.

When carrying out the replacing of sheet 9 (when discarding) in addition, if will take off, then as long as the fabric of sheet 9 is extracted out from

hamulus

11,11......, it is separated from core 7, therefore can easily dismantle, after separation, owing to do not attach the parts of any other kind material on the sheet 9, so can carry out waste treatment with original state, not have the discarded trouble of classification fully.

With the sheet 9 of aforementioned hamulus 11, the corresponding position of 11...... on, as shown in Figure 7ly be provided with preformed hole 13 shown in one of them, can be by these hole 13 setting-ins be installed on

hamulus

11,11.......In this case, the front end of hamulus 11 can form very tartly.

Other structure, identical with aforementioned embodiments, hide the shackle portion that forms by

hamulus

11,11...... by trim 12, make it to can't see

hamulus

11,11......, hole 13 fully from the outside, can put outward appearance in order.

Fig. 8, Fig. 9 represent other embodiment of the present invention, in the present embodiment, do not use the trim 12 in the aforementioned embodiments, but present following state, that is, the position till the top of the lower frame 10 of backrest 6 is all covered by sheet 9.

That is, shown in the part amplification view as shown in Figure 9, the end portion of sheet 9 is sewed up by line 15a and is formed cylindrical portion 15, sees that from the side resinous hook-shaped 14 of L word shape of roughly being who is bent to form to acute angle is inserted in the cylindrical portion 15.This hook-shaped 14 erect sheet 14a, by be inserted into the lower end that fixes sheet 9 in the hole 16 with the form that hangs up from below, aforementioned apertures 16 is formed on the underframe 10 of aluminum, and the underframe 10 of this aluminum and aforementioned core 7 one in fact, and be arranged at than on the inner slightly position of the soffit of core 7.

In addition, bend to section and be down trapezoidal resinous lower cover 17 and fix to cover form by this hook-shaped 14 shackle portion that forms from the lower surface one side embedding of underframe 10 and with screw element, the 17a of edge portion by this lower cover 17 pushes sheet 9 to be made it to tighten, and eliminates fold.

According to present embodiment, only by just carrying out the installation of sheet 9 in the hole 16 with hook-shaped 14 insertion underframe 10, in addition, when taking off, lower cover 17 is taken off the back if hook-shaped 14 hole 16 from underframe 10 extracted just passable, in addition, when sheet 9 is discarded, as long as, therefore when classifying processing, can carry out at an easy rate by hook-shaped 14 is just extracted and cylindrical portion 15 can be separated from sheet 9 from cylindrical portion 15.In addition,, therefore can't see fully, can not impair design as chair from the outside owing to covered by lower cover 17 by hook-shaped 14 shackle portion that forms.

Figure 10 represents to replace aforementioned hook-shaped 14 embodiment that sheet 9 is installed with pin 18, is to represent as the figure suitable with earlier figures 9.

That is, sheet 9 is pressed in the hole 19 of underframe 10, sheet 9 is fixed on the underframe 10 with this by pin 18.Other parts are because identical with Fig. 9, and therefore identical with it parts are represented with prosign.

Therefore, according to this embodiment, sheet 9 is drawn downwards, only together be pressed in the hole 19 of underframe 10 with the fabric of sheet 9 then by selling 18, just sheet 9 can be stretched as tensioning state, when taking off sheet 9, just each can be sold 18 and take off as long as sheet 9 drawn downwards with respect to underframe 10, extract from sheet 9 that then just finishing classifies discards should sell 18.

Claims

1. the hood cloth tension gear of a chair, at the pillar upper support base is arranged, the core of back rest shape is installed on the rising portions that is supported on the back of the body framework on the aforementioned base freely that can fascinate backward, with contacted one side of back the cushion pad parts of polyurethane foam etc. are installed at this core, on the core that comprises these cushion pad parts, be coated with sheet, with this as backrest, in such chair, it is characterized in that, a plurality of positions of aforementioned core are provided with hamulus, the sheet that forms bag shape is covered on the core and the fabric of sheet hung on the aforementioned hamulus and fix, the trim made from synthetic resin covers the part that has this hamulus, eliminates the fold of sheet and hides hamulus by this trim and core.

2. the hood cloth tension gear of a chair is characterized in that, aforementioned sheet be provided with connecting hole with the corresponding position of aforementioned hamulus, by this connecting hole is sticked in the hamulus and sheet is installed on the core.

3. the hood cloth tension gear of a chair, at the pillar upper support base is arranged, the core of back rest shape is installed on the rising portions that is supported on the back of the body framework on the aforementioned base freely that can fascinate backward, with contacted one side of back the cushion pad parts of polyurethane foam etc. are installed at this core, on the core that comprises these cushion pad parts, be coated with sheet, with this as backrest, in such chair, it is characterized in that, bottom at aforementioned sheet is formed with cylindrical portion, in this cylindrical portion, be inserted with hook-shaped, on the other hand, on the bottom of aforementioned back of the body framework, be formed with and aforementioned hook-shaped connecting hole that engages, after covering sheet on the core that includes aforementioned cushion pad parts, make aforementioned hook-shaped to be connected in the aforementioned connecting hole by applying tension force, the lower cover that is used for hiding aforementioned hook-shaped Access Division is installed in the lower end of aforementioned core.

4. the hood cloth tension gear of a chair, at the pillar upper support base is arranged, the core of back rest shape is installed on the rising portions that is supported on the back of the body framework on the aforementioned base freely that can fascinate backward, the cushion pad parts of polyurethane foam etc. are installed in the face that contacts with back one side of this core, on the core that comprises these cushion pad parts, be coated with sheet, with this as backrest, in such chair, it is characterized in that, be formed with a plurality of connecting holes in the bottom of aforementioned back of the body framework, after sheet being covered on the core that includes aforementioned cushion pad parts, together be pressed into and be fixed in the aforementioned connecting hole by the fabric of pin, the lower cover that is used for hiding the Access Division that is formed by aforementioned pin is installed in the lower end of aforementioned core sheet.