CN201375237Y

CN201375237Y - Folding round chair

Info

Publication number: CN201375237Y
Application number: CN200920137393U
Authority: CN
Inventors: 郑世平; 郑世飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-02
Filing date: 2009-04-02
Publication date: 2010-01-06
Anticipated expiration: 2019-04-02

Abstract

The utility model relates to a folding round chair which comprises a round seat ring which is provided with seat face fabric, a front and a rear U-shaped legs, wherein each of the U-shaped legs consists of two bars which are mutually crossed, and the upper end portions of the two bars of the front and the rear U-shaped legs are respectively hinged on the two sides of the seat ring, and the hinged points thereof are respectively arranged in front and back. The folding round chair is characterized in that a sliding sleeve is hinged on the two bars of the front U-shaped leg, and the two bars of the rear U-shaped leg penetrate through the sliding sleeve, thereby forming a dynamic hinge structure of the front and the rear U-shaped legs. Angle adjusting stop slide blocks are fixed on the two bars of the rear U-shaped leg close to the upper end portion for preventing the sliding sleeve from moving upwards and controlling the inclination angle of the seat ring, and the sliding sleeve can slide to the stop slide block, thereby forming the reliable support. The folding round chair has the characteristics of smart design, simple structure, convenient operation and safe and reliable use, solves the shortcomings that an elastic lock-pin in the prior art can not be completely inserted, and the folding operation is troublesome, and provides a folding round chair which is much safer and more humanized.

Description

Folding circle chair

Technical field:

The utility model belongs to daily necessities field, particularly a kind of folding round chair that is made by flexible fabric and rod member.

Background technology:

Existing folding round chair is commonly called as moon chair or radar chair, is made by flexible fabric and bar material, and the front sees that the seat cushion district is a toroidal, and the similar radar antenna that becomes to lean forward; And the moulding that resembles half moon is seen in the side, so also be called moon chair, simple for structure, exotic shape is popular.As shown in Figure 1, its structure includes circular race 1, be set in the seat cushion lining 2 on the seat ring 1, and the forward and backward U-shaped

3,4 of supporting seat ring 1, forward and backward

U-shaped pin

3,4 intersects mutually and is hinged in the crosspoint, preceding U-shaped pin 3 long two Rod end are hinged on the both sides, rear portion of seat ring 1, and seat ring 1 rear portion are lifted high; 4 liang of Rod end of back U-shaped pin are hinged on the front part sides of seat ring 1, form 4 stable support and seat ring 1; 1 one-tenth front-low-rear-high shape of seat ring, the ingenious formation backrest of the high portion in back.In order to make folding circle chair reach folding purpose, long 3 liang of rod members of preceding U-shaped pin are sleeve type structure above the crosspoint, be equiped with a flexible lock pin on inner pipe, outer tube is provided with a pin-and-hole 31, and when folding chair was opened, flexible lock pin withstood on the pin-and-hole 31 just, inner and outer pipe is located mutually form supporting, and when folding, sleeve pipe could be shunk after needing simultaneously two flexible lock pins to be pressed into, finish the purpose of forward and backward

U pin

3,4 and seat ring 1 flat collapse.Because preceding U-shaped foot lever spare two joints adopt the lock pin location, and are not in place if lock pin ejects, and are easy to occur potential safety hazard; And the folding troublesome poeration needs just can around two lock pins being pressed into simultaneously after justify the chair back.

Summary of the invention:

The purpose of this utility model is that design can be located after a kind of the opening voluntarily, turn over the folding round chair that can adduct together with forward and backward U-shaped pin on the seat ring.

Technical solutions of the utility model are achieved in that a kind of folding round chair, comprise the circular race and the cross one another forward and backward U-shaped pin of two rod members that are positioned with the seat cushion lining, two rod member upper ends of forward and backward U-shaped pin are hinged on the both sides of seat ring respectively, pin joint distributes before becoming a back one, be hinged with a sliding sleeve on U-shaped pin two rod members before it is characterized in that, back U-shaped pin two rod members pass sliding sleeve, form the dynamic articulated structure of forward and backward U-shaped pin, the pin joint on back U-shaped pin can chair be opened or folding changes with justifying.

Be fixed with the angular adjustment limited slip block in the nearly upper end of U-shaped pin two rod members, back, stop sliding sleeve to continue angle of inclination up and the control seat ring.Sliding sleeve slides to the limited slip block place, and the open angle of just folding circle chair design forms secure support by limited slip block, has absolute security, and during folding, only need with turn on the seat ring, preceding U-shaped pin backward with after U-shaped pin and seat ring adduct together.

Be fixed with a support belt between two rod members of the limited slip block top of described back U-shaped pin,, keep shank that good supporting is arranged in order to supplemental support seat cushion lining.

Described seat ring both sides are rivet clasp one connecting rod respectively, and two rod member upper ends of forward and backward U-shaped pin are hinged on respectively on this connecting rod.Utilize two connecting rods to play the effect of supplemental support seat ring; It two keeps the parallel of forward and backward U-shaped pin two Rod end pin joint rivets, makes folding more smoothly, especially is fit to use on the bigger folding round chair of seat ring diameter; The handrail position of the placement both arms of organic formation one broad of its three connecting rod and seat ring, it is more comfortable to shelve both arms.

The utlity model has ingenious, simple in structure, easy to operate, the safe and reliable characteristics of design, solved the defective that flexible lock pin is not in place in the prior art, folding operation bothers, the folding round chair of a kind of safety more and hommization is provided.

Description of drawings:

Below in conjunction with concrete legend the utility model is described further:

Fig. 1 prior art structural representation

Fig. 2 folding circle chair one seat ring and U-shaped pin concern stereogram

Fig. 3 folding circle chair one seat ring and U-shaped pin concern side view

The folding circle of Fig. 4 chair one schematic perspective view

Fig. 5 folding circle chair two seat rings and U-shaped pin concern stereogram

Fig. 6 folding circle chair two seat rings and U-shaped pin concern side view

The folding circle of Fig. 7 chair two schematic perspective views

The folding schematic diagram of Fig. 8 folding circle chair two seat rings and U-shaped pin

Fig. 9 folding circle chair three seat rings and U-shaped instep portion view

Figure 10 folding circle chair three seat rings and U-shaped pin partial enlarged drawing

Wherein

U-shaped pin before the 1-seat ring 2-lining 3-

U-shaped pin 41-limited slip block behind the 31-pin-and-hole 4-

5-sliding sleeve 6-plastic 7-connecting rod

8-support belt 9-rivet 91-positioning sleeve

The 10-support chip

The specific embodiment:

With reference to Fig. 2, Fig. 3 and Fig. 4, this example is a small foldable circle chair, include circular race 1, forward and backward U-shaped

3,4 and seat cushion lining 2, be hinged with a sliding sleeve 5 on preceding 3 liang of rod members of U-shaped pin, 4 liang of rod members of back U-shaped pin pass sliding sleeve 5, form the dynamic articulated structure of forward and backward U-shaped

3,4, when making folding and opening operation, sliding sleeve 5 can slide up and down along back U-shaped pin 4 liang of rod members, so that preceding U-shaped pin 3 is after the back pendulum together is closed to seat ring 1 with back U-shaped pin 4 smoothly; And be fixed with limited slip block 41 in 4 liang of nearly upper ends of rod member of U-shaped pin, back, it is up to stop sliding sleeve to continue, and two rod members of forward and backward U-shaped

3,4 are opened by design angle, and forms reliable location automatically.Limited slip block 41 can be provided with a plurality of points of engagement on 4 liang of rod members of back U-shaped pin, the user can select different anchor points like this, and seat ring 1 is on the different angles, satisfies the selection of Different Individual and uses.Two rod member upper ends of forward and backward U-shaped

3,4 are hinged on the both sides of seat ring 1 respectively in this example by a plastic 6, and plastic distributes before 6 one-tenth one backs one, and general state two plastics 6 are distributed in preceding semicircle one side of seat ring 1.

With reference to Fig. 5, Fig. 6 and Fig. 7, this example is large-scale folding round chair, basic structure and last example are together, seat ring 1 diameter that is large-scale round chair is bigger, for improving the rigidity intensity of seat ring 1, at seat ring 1 both sides difference rivet clasp one connecting rod 7, before, back

U-shaped pin

3,4 two rod member upper ends are hinged on respectively on this connecting rod 7, utilize two connecting rods to play the effect of supplemental support seat ring 1, improve the rigidity intensity of seat ring 1, do not become big because of seat ring 1, and add the rugosity of roughing seat ring rod member, overall weight is controlled in the reasonable range, in addition then, two connecting rods 7 and the solar month of 30 days thread form handrail position that seat ring 1 forms provide the placement dual-arm action.Rivet clasp is parallel to each other in connecting rod 7 main bodys of seat ring 1 both sides, makes forward and backward U-shaped pin parallel with the hinged rivet of connecting rod 7, and is convenient folding.Fig. 5 is fixed with a support belt between two rod members of the limited slip block top of back U-shaped pin for another example, and supplemental support seat cushion lining 2 improves the support of shank, is supported by seat ring 1 more separately, comes comfortablely.

With reference to Fig. 8, be large-scale folding round seat support circle and U-shaped pin collapsed relationship, close up rear side after forward and backward U-shaped

3,4 is folding, and that the plane of forward and backward U-shaped

3,4 forms is overlapping at seat ring 1, thinner more economize local.

With reference to Fig. 9 and Figure 10, the sliding sleeve of mentioning in above-mentioned example 5 is U-shaped pin 3 before being hinged on by a rivet, and this rivet only passes half of sliding sleeve 5, and the moment of torsion between forward and backward U-shaped

3,4 crosspoints is bigger, and rivet is easy to or injures sliding sleeve.For this reason, the rivet 9 of locating slide sleeve 5 is across on 4 liang of rod members of back U-shaped pin, can stride across from the top, but to stride across from the below to good, be close to 4 liang of rod member one sides of back U-shaped pin hinged support chip 10 simultaneously on this pin joint, support chip 10 other ends are hinged on the same pin joint of preceding 3 liang of rod member upper ends of U-shaped pin.Support chip 10 has same stressed effect with 3 liang of Rod end of preceding U-shaped pin, makes that the moment of torsion between

support chip

10 and 4 liang of rod members of back U-shaped pin shortens, and improves holding capacity and stability.Be arranged with a positioning sleeve 91 on the rivet 9 of 3 on support chip 10 and preceding U-shaped pin, this positioning sleeve can keep the parallel distance of support chip 10 and preceding U-shaped pin 3, in other words is to keep support chip 10 to be close to back U-shaped pin 4 one sides.Moreover, when the effect of this positioning sleeve 91 also can make round chair fold, the position of ccontaining connecting rod 7.

In sum, this folding round chair improves the defective of prior art greatly by suitable improvement, Operate more smooth and easy, use safer and leisure, the handrail position of wider placement both arms is provided again, outer See elegance, comfortable characteristics are seated.

Claims

1, a kind of folding round chair, comprise the circular race and the cross one another forward and backward U-shaped pin of two rod members that are positioned with the seat cushion lining, two rod member upper ends of forward and backward U-shaped pin are hinged on the both sides of seat ring respectively, pin joint distributes before becoming a back one, be hinged with a sliding sleeve on U-shaped pin two rod members before it is characterized in that, back U-shaped pin two rod members pass sliding sleeve, form the dynamic articulated structure of forward and backward U-shaped pin.

2, folding round chair according to claim 1 is characterized in that being fixed with the angular adjustment limited slip block in the nearly upper end of U-shaped pin two rod members, back, stops sliding sleeve to continue angle of inclination up and the control seat ring.

3, folding round chair according to claim 1 and 2 is fixed with a support belt between two rod members of the limited slip block of U-shaped pin top after it is characterized in that.

4, folding round chair according to claim 1 is characterized in that seat ring both sides rivet clasp one connecting rod respectively, and two rod member upper ends of forward and backward U-shaped pin are hinged on respectively on this connecting rod.

5, folding round chair according to claim 4 is characterized in that rivet clasp is parallel to each other in the link body of seat ring both sides.

6, according to claim 1 or 4 described folding round chairs, the rivet that it is characterized in that locating slide sleeve is across back U-shaped pin two rod members, be close to U-shaped pin two rod members one a side hinged support chip simultaneously in back on this pin joint, the support chip other end is hinged on the same pin joint of preceding U-shaped pin two rod member upper ends.