CN2145544Y - Improved chair open-close structure - Google Patents

Abstract

The utility model relates to an improved folded structure of a chair, wherein, chair feet are slightly expanded downward and outward and tilted; the sections of the chair feet form outward V shapes; the top ends of the chair feet are adjacent to the outer sides of a chair surface. The improved folded structure of the chair is provided with an inward concave butting surface, wherein, the upper end of the butting surface is provided with a notch or an inward concave chamber while the inner side of the butting surface is provided with a clamping body which is abutted on the butting surface and folded. Therefore, the improved folded structure of the chair can reach the effects of no scratch on a chair surface, easy separation and extraction, no influence on the change of the exterior appearance design of the chair surface, the smoothness of the production, etc.

Description

Improved chair open-close structure

The utility model relates to the superimposed structure of a kind of chair, refer to especially a kind of can the scratch seat when superimposed, and the improvement of separation and Extraction is constructed easily.

Press, the superimposed structure of chair, roughly distinguishing according to its external form has following two kinds:

(1) as shown in Figure 1, 2, it is made of seat 1 and four iron pipe chair pin 2, and chair itself there is no the design of any superimposed structure, therefore when superimposed only be simple on time intussusception, as Fig. 2 institute; The superimposed mode of this kind only, one because of intussusception or separation and Extraction or handling process up and down, very easily produces and rubs, and scrape routine seat, not only influences the attractive in appearance of seat, even more may cause substandard products; Two come the up and down mode of intussusception of this kind, will folded five or ten gravity that chair is given birth to be arranged because of one, form quite tight state, and this causes suitable effort and inconvenient for desiring separation and Extraction one by one.And the chair of the superimposed mode of this kind is the iron pipe chair of carrying on the back or not having the back of the body that has that has comprised big portion.

(2) for another example shown in Fig. 3,4, be a kind of one-body molded chair of plastic cement that utilizes, chair pin 2 is the V-arrangement that is inside, and the top of per two chair pin 2 also forms the arched door shape, and the bottom of seat 1 and have four superimposed tabs 11, in order to do can when superimposed, being butted on the seat 1, as shown in Figure 4.Only the superimposed structure of this kind still has following drawback:

(1) superimposed tab 11 directly is butted on the seat 1, also easily because of the slip of handling process produces friction, and the scratch seat.

(2) chair pin 2 cross sections are inside V-arrangement, also are difficult for separation and Extraction after being superimposed with each other.

(3) the superimposed tab 11 of seat 1 bottom tool not only limits the variation of its seat external form, and very easily causes the Bao Mo (being difficult for the demoulding) of mould when producing.

The main purpose of the utility model is promptly providing a kind of unlikely scratch seat, and is easy to the superimposed structure of chair of the improvement of separation and Extraction.

Another purpose of the utility model is then providing a kind of unlikely restriction chair exterior design to change, and the superimposed structure of chair of the improvement of unlikely bag mould when producing.

For reaching above-mentioned purpose and effect, can adopt following concrete structure, details are as follows to lift following two preferred embodiment conjunction with figs. now.

Shown in Figure 1 is the stereogram of known chair

Shown in Figure 2 is the cutaway view of known chair when superimposed

The stereogram of the another kind of known chair of system shown in Figure 3

Cutaway view when the another kind of known chair of system shown in Figure 4 is superimposed

Shown in Figure 5 is the stereogram of the utility model embodiment

Shown in Figure 6 is the cutaway view of the utility model embodiment when superimposed

Shown in Figure 7 is the stereogram of the another kind of embodiment of the utility model

Label in the accompanying drawing is expressed as follows:

(1) seat (2) chair pin

(11) superimposed tab (21) supports face

(22) breach (23) card body

(24) interior alcove

As shown in Figure 5, the chair of the utility model also is made of seat 1 and chair pin 2; Wherein, this chair pin 2 is slightly outwards to be and the inclination of expansion downwards, its cross section then is outside V-arrangement, its top near seat 1 outside side, cording has the face 21 that supports of an indent, support on the face 21 end and have a breach 22, support the card body 23 that side within the face 21 then has a projection, this card body 23 and slightly be under wide triangle person.

When superimposed, utilize chair pin 2a from top to bottom fit align the chair pin 2b of another chair, and card body 23 is aligned naturally be butted on end on face 21, and just is positioned within the breach 22 closed state as shown in Figure 6.Obviously, the superimposed structure of this kind of the utility model can be obtained following all advantage and effect, and more progressive practical more than known person:

(1) superimposed structure comprises card body 23 and supports face 21, all is to be arranged on the chair pin 2, never causes the seat scratch when therefore superimposed.

(2) utilize being butted on of card body 23, and the card body just is positioned at breach 22, and forms a superimposed quite firm state,, and can avoid the scratch surface, influence that it is attractive in appearance so can reduce its sliding significantly in handling process to face 21.

(3) card body 23 is located to face 21 inboards, obviously more has concurrently to strengthen the effect of supporting face 21.

(4) therefore its superimposed structure, when separation and Extraction, will be more easy and laborsaving because of being that the face 21 that supports that the card body 23 of mat chair pin 2 inboards is butted on the outside is reached.

(5) supporting face 21, short slot 22 and card body 23 all is to be located on the chair pin 2, will not cause the restriction of seat appearance change design, and the also easily demoulding when producing, and does not have the phenomenon of wrapping mould.

Again, as shown in Figure 7, the utility model more can form alcove 24 in supporting face 21 upper ends, is butted on when the face 21 for blocking body 23, just can be positioned at this inner concave 24, to reach advantage identical with previous embodiment and effect.

In sum, the concrete structure that the utility model embodiment is disclosed, being entirely known person does not have, and really belong to unprecedented innovation, and more can make chair when superimposed, the unlikely scratch of seat, be easy to separation and Extraction, and do not influence its external form variation and produce effects such as smooth and easy.

Claims (3)

1, the superimposed structure of a kind of chair of improvement, its chair pin system slightly is downwards and the inclination that expands outwardly, and its cross section then is outside V-arrangement; The top that it is characterized in that the chair pin is near the face that supports that side-line outside the seat has an indent, should support that side then have a card body within the face, and being butted on to face of this card body of mat and superimposed to reach unlikely scratch seat, is easy to effects such as separation and Extraction.

According to the superimposed structure of the described chair of claim 1, it is characterized in that 2, this card system can slightly be wide triangle down.

3, according to the superimposed structure of the described chair of claim 1, it is characterized in that on face, more can have a breach or interior alcove by end.

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