CN2129543Y

CN2129543Y - Office rotary chair

Info

Publication number: CN2129543Y
Application number: CN 92227575
Authority: CN
Inventors: 朱国宝
Original assignee: BEIJING NANJIAO TIMBER FACTORY
Current assignee: BEIJING NANJIAO TIMBER FACTORY
Priority date: 1992-07-17
Filing date: 1992-07-17
Publication date: 1993-04-14
Anticipated expiration: 2002-07-17

Abstract

The utility model relates to an office rotary-chair which has the functions of rotating, lifting, swinging, etc., wherein, thereof cushion and backrest fit to the curves of the sitting posture of a human body. The office rotary-chair is adequate to be used in offices, office buildings and places needing for high-grade chairs. The utility model adopts the structure that a steel-wood combined framework is lined with the soft cushion which is moulded by polyurethane and coated with multiple layers of material and a high-grade surface-material which are joined into an entirety by methods of sewing, sticking, nailing, etc., wherein, starfish feet are provided with wooden decorative covers, wherein, armrests are hollow wooden quadrilateral frames with round corners. The utility model has the advantages of beautiful appearance, complete functions, firm structure, easy manufacture, etc.

Description

Office rotary chair

A kind of office swivel chair is fit to office, office room use, is particularly suitable for leading office, welcome's meeting etc. to use the place of high-grade seats, belongs to field of office furniture.

The modern office chamber is in order to improve office efficiency, require to use comfortable, convenient, the seat flexibly of seating, the seat that comes out newly developed for this purpose not only have can slide mobile, can rotation, can lifting, function such as can wave, also require to meet ergonomics, the cushion backrest has the curve that meets human body sitting posture, and it is comfortable to give user's seating, indefatigability.External at present this type of product structure complexity of producing be not suitable for domestic existing industrial level, and home products is used the traditional-handwork explained hereafter, can not satisfy the requirement to ergonomic.

The purpose of this utility model provides a kind of above-mentioned functions that has, and meets the office seat of the top grade of ergonomics requirement, and it is rational in infrastructure, and simple structure combines this national characteristic with material and moulding, is fit to the production of domestic industry level.

Used technical scheme is to use the skeleton of steel wood combination, lining is with polyurethane model forming foamed plastics cushion, make coated with high-grade fabric, its concrete structure is: the framework that the joint that surrounds at the useful steel pipe in the inside of the seat support and the chair back is firm is supporting, and its shape is corresponding with the curve of the chair cushion and the chair back respectively.The wooden frame of useful timber joggle in the seat support, support and connect by being welded on journal stirrup in the steel framework dual-side with wood screw, the formation material that is covered with nylon cloth, seat support on the wooden frame is followed successively by from top to bottom: the cushion lining, bulked cotton, lining cloth, the high resilience molding of polyurethane seat cushion, the cushion inner facing material, Tobe outer facing material, nylon Tobe, wooden frame front cover bed material; The first five is planted material and makes pouch, and its linear slit is three horizontal two dimpled grains that erect to meet the body curve at the seat support middle part; The four kinds of materials in back are connected on the wooden frame with nail.The wooden frame of the wooden bonding one-tenth of useful weak point sticks with glue and ties on the inner panel with three-ply board system at back in the chair back, and reinforces with iron nail, and this three-ply board is connected in the iron pipe framework with pulling rivet, play supporting role.The formation material of the chair back is followed successively by from front to back: lining, bulked cotton, lining cloth, the high resilience molding of polyurethane back pad, the back pad inner facing material, the knit fabric of envelope inner panel, the inner panel of three-ply board system, foamed plastics, envelope back side material, first three kind is sewn into the tiny pocket shape, its linear slit is four horizontal two dimpled grains that erect to meet the body curve on the chair back, this pocket-like thing again with the 5th, six kind of material make pouch, be bonded on the aforementioned supporting mass that connects into by wooden frame, inner panel, steel framework with rest materials again.At the intersection point place of the dimpled grain anyhow that meets the body curve that forms by linear slit at seat support and chair back middle part, penetrate and tie a knot and tighten with silk ribbon.For making this swivel chair have national style, be covered with wooden cross section in the metal frame outside of starfish pin supporting leg and be inverted U-shaped cover of upholstery, handrail is wooden shaped as frame, is the hollow quadrangle that fillet is arranged, being wider than of its each limit cross section is thick.

The swivel chair that the utility model provides, its good looking appearance has embodied national style, and seating is comfortable, and indefatigability is multiple functional, and sound construction reaches high-grade office and uses the chair level, and rational in infrastructure, and technology is easily gone, and is convenient to make, and can guarantee product quality.

This specification has the following drawings:

Fig. 1 is the oblique view of office with swivel chair;

Fig. 2 is the biopsy cavity marker devices oblique view of the seat support and the chair back;

Fig. 3 is the 3-3 partial sectional view of Fig. 2;

Fig. 4 is the A portion detail drawing of Fig. 3;

Fig. 5 is the 5-5 partial sectional view of Fig. 2;

Fig. 6 is the B portion detail drawing of Fig. 5;

Fig. 7 be seat support chair back linear slit intersection point place tighten the silk ribbon structural representation;

Fig. 8 is a starfish leg structure schematic diagram;

Fig. 9 is the mounting structure exploded view of handrail.

Now in conjunction with the accompanying drawings.

Office is made up of major parts such as seat support 1, the chair back 2, handrail 3, support 4, starfish pin 5, elevating mechanism 6, wabbler mechanisms 7 with swivel chair and is seen Fig. 1, the framework 8 that the joint that surrounds at the useful steel pipe in the inside of the seat support chair back firmly (for example welded or had the screw connection of interpolation pipe), its shape is corresponding with the curve that meets ergonomic of the chair and the chair back respectively, the existing structure of narrating the seat support and the chair back respectively.

The square wooden frame 9 that useful four batten joggles form in the seat support, support and see Fig. 2 and Fig. 4 by being welded on journal stirrup 10 in framework 8 dual-sides with wood screw 11 connections, be covered with nylon Tobe 12 on the wooden frame, the formation material of seat support is followed successively by from top to bottom: cushion lining 13, bulked cotton 14, lining cloth 15, the high resilience model of polyurethane seat cushion 16, cushion inner facing material 17, Tobe outer facing material 18, nylon Tobe 12, wooden frame 9, back cover lining 19 are seen Fig. 3.Concrete compound mode is: lining 13, lining cloth 15 are seamed into a bag shape, and in bulked cotton 14 was contained within, this bag was seamed into a bag shape with lining 17 again, and in polyurethane cushion 16 was contained within, its linear slit was three horizontal two dimpled grains that erect to meet the body curve at the seat support middle part; Nylon Tobe 12 usefulness nail is connected in wooden frame 8, and its two sides are by lining 18,19 clads, and are fixing with nail.

Two holes are arranged on the plane of journal stirrup 10, and one is a through hole, is used to wear wood screw 11 and connects wooden frame 9 as above-mentioned, and another is a screw, is used to wear machine screw 20 and is connected and installed handrail 3, and the

steel band

21 and 22 of elevating mechanism 6, wabbler mechanism 7 is seen Fig. 2 Fig. 4 and Fig. 9.

The square wooden frame 23 that useful short wood bonding is combined in the chair back, stick with glue and tie on the inner panel made from three-ply board 24, and with wood screw 25 reinforcement by connection, inner panel 24 and steel framework 8, be connected and fixed by pulling rivet 26 and see Fig. 6, the formation material of the chair back is followed successively by from front to back: chair back lining 27, bulked cotton 28, lining cloth 29, the high resilience molding of polyurethane back pad 30, back pad inner facing material 31, the knit fabric 32 of envelope inner panel, the inner panel 24 that three-ply board is made, foamed plastics 33, envelope back side material 34; Wherein lining 27 stitches pouches with lining cloth 29, in bulked cotton 28 is contained in, this satchel again with polyurethane back pad 30, lining 31 stitches pouch together, and in the middle part of the chair back, being sewn into the pouch shape, this pouch linear slit is four horizontal two perpendicular dimpled grains on the chair back, make the chair back meet the body curve and see Fig. 1, foamed plastics 33 sticks with glue at the back of inner panel 24, and both sides are paperwrapped in steel framework 8; Lining 32 sticks with glue in inner panel 24 front portions, lining 34 usefulness nail and foam 33, and inner panel 24 links together.

The thickness of foamed plastics 34 is about 10mm, the thickness of polyurethane high resilience model cushion and back pad is 70-100mm, each intersection point 35 places at the dimpled grain anyhow that meets the body curve that forms by linear slit at above-mentioned seat support and chair back middle part, penetrating seat cushion (back pad) with silk ribbon 36 by the back unrolls to return again behind the lining and penetrates into the back, be installed with toggle 39 in one of two connector lugs 37 of

silk ribbon

36 and 38, another connector lug is walked around toggle 39 knotting and is tightened and see Fig. 7, make the horizontal stroke on the chair back and the seat support, perpendicular dimpled grain is deepened, on lining, form the crape folding of nature indent, make it more to meet the body curve.

The structure of starfish pin 5 is seen Fig. 8, there are five overhanging legs 40 of level to be connected in support 4, each leg has metal frame 41, its end is with the road wheel 42 that has been threaded, be set with wooden cover of upholstery 43 in the outside of metal frame 41, cover of upholstery 43 can be circular arc, square or other shapes, and in preferred plan, cover of upholstery 43 is inverted U-shaped.

Handrail 3 usefulness timber for example rosewood are made, and are shaped as the hollow quadrilateral frame of fillet, and its each limit cross-sectional width is greater than thickness.The installing and fixing method of handrail 3 is seen Fig. 9, and its underpart is by the overhang bracket of

steel band

21 and 22, and fastening with screw 44, its side is close to seat back frame 8, from inside to outside passes to be screwed into behind the framework 8 with machine screw 45 to be inlaid in advance in the interior wood snail mother 46 of handrail 3 wooden frames.

Elevating mechanism 6, wabbler mechanism 7 non-the utility model are proprietary, and this specification omits narration.

Claims

1, a kind of office swivel chair is made up of major parts such as seat support 1, the chair back 2, handrail 3, support 4, starfish pin 5, elevating mechanism 6, wabbler mechanisms 7, it is characterized in that:

A, seat support, the chair back are by framework 8 supportings that surround with steel pipe;

The square wooden frame 9 that useful four batten joggles become in b, the seat support, supported by the journal stirrup 10 that is welded in framework 8 dual-sides, seat support constitutes material and is followed successively by from top to bottom: cushion lining 13, bulked cotton 14, lining cloth 15, the high resilience die holder of polyurethane pad 16, cushion inner facing material 17, Tobe outer facing material 18, nylon Tobe 12, wooden frame 9, back cover lining 19;

The square wooden frame 23 that useful short wood bonding is combined in the c, the chair back sticks with glue and ties on the inner panel made from three-ply board 24, and with wood screw 25 reinforcement by connection, inner panel 24 usefulness pulling rivets 26 are connected and fixed on the framework 8; The formation material of the chair back is followed successively by from front to back: chair back lining 27, bulked cotton 28, lining cloth 29, the high resilience molding of polyurethane back pad 30, back pad inner facing material 31, the knit fabric 32 of envelope inner panel, the inner panel 24 that three-ply board is made, foamed plastics 33, envelope back side material 34;

D, on the overhanging leg metal frame 41 of starfish pin 5, be set with wooden cover of upholstery 43.

2, swivel chair according to claim 1 is characterized in that the lining at middle part of seat support 1 and the formation material of its inside are sewn into the pouch shape, and this pouch linear slit is three horizontal two perpendicular dimpled grains on seat support; The lining 31 at the chair back 2 middle parts is sewn into the pouch shape with the formation material of its inside, the linear slit of this pouch is four horizontal two perpendicular dimpled grains on the chair back, each intersection point 35 places at above-mentioned line anyhow, unroll with silk ribbon penetrate, silk ribbon 36 two connector lugs 37 and one of 38 overleaf are installed with toggle 39, another connector lug is walked around the toggle knotting and is tightened, and forms the crape folding of nature indent on lining.

3, swivel chair according to claim 1 is characterized in that being set in the wooden cover of upholstery 43 of suit on the overhanging leg metal frame 41 of starfish pin 5, and its cross section is inverted U-shaped.

4, swivel chair according to claim 1 is characterized in that the hollow quadrilateral frame that is shaped as fillet of handrail 3, and the width of its each limit cross section is made with timber greater than thickness.

5, according to claim 1 and 4 described swivel chairs, it is characterized in that the end portion supports of the bottom of handrail 3 by steel band 21 and 22, fastening with wood screw 44, its side is close to seat back frame 8, after from inside to outside passing framework with machine screw 45, be screwed in the wood snail mother 46 who is flush-mounted in advance in handrail 3 wooden frames.