WO2016080574A1

WO2016080574A1 - Frame structure for utility chair

Info

Publication number: WO2016080574A1
Application number: PCT/KR2014/011754
Authority: WO
Inventors: 이윤재
Original assignee: (주) 휘맥스 인터내셔널
Priority date: 2014-11-18
Filing date: 2014-12-03
Publication date: 2016-05-26
Also published as: KR200476869Y1

Abstract

The present invention provides a frame structure, for a utility chair, which can be coupled to a seat and be conveniently used for outdoor activities such as camping, hiking, fishing, outdoor concerts, sporting events and the like. The frame structure comprises: a pair of lower frames of which the central parts are bent and form upper bent portions on the upper ends, and which which are coupled to each other on the upper bent portions by means of welding and have support portions, provided on both lower ends of each lower frame, come in contact with a floor surface; and a pair of upper frames of which the central parts are bent and form lower bent portions on the lower ends, of which the lower ends are coupled to the lower inner sides of the upper bent portions by means of welding, and which are coupled to each other on the lower bent portions by means of welding and have insertion portions, provided on both upper ends, connected to a seat. The present invention can be folded into a compact size and stored, thereby showing excellent portability, has a simple structure, can easily be manufactured, and has excellent durability which enables sufficient supporting of the weight of a user by having strong adhesiveness due to the disposing and coupling of frames by means of welding.

Description

Stool frame structure

The present invention relates to a frame structure of a simple chair, and more particularly, to a frame structure of a simple chair that can be conveniently used in combination with a chair seat during outdoor activities such as camping, hiking, fishing, outdoor concerts and sporting events.

Cots are designed to be easily carried and used in outdoor activities where indoor chairs are not available. Chairs used at home are generally used for most outdoor activities such as camping, hiking, fishing, outdoor concerts and sporting events. Not suitable for use in portable.

A simple chair for such outdoor activities should be light and compact and portable, and also strong and durable enough to support the user's load.

In the prior art, Korean Patent Utility Model Publication No. 20-0292604 (published on October 25, 2002), which is Patent Document 1, discloses that the left and right legs and the seat are angularly moved or folded between the left and right frames that simultaneously function as the legs and the backrest frame. In the outdoor chair to be able to, the left and right frame is formed integrally with the backrest in the transverse direction, the middle of the left and right frame is installed so that the middle of the left and right legs can be deployed to the rear side by the hinge bolt, The upper end of the leg is connected so that the angular movement can be developed by the bottom center of the seat and the hinge bolt, and a stopper is formed at the left and right rear ends of the seat to guide the slide during the deployment and folding operation along the slide grooves formed in the vertical direction in the left and right frames. Disclosed is an outdoor chair characterized in that it is possible.

In addition, Korean Patent Publication No. 10-1121652 (published on March 9, 2012), which is Patent Document 2, includes a metal frame made of aluminum and a chair cover made of a cloth material installed on the metal frame, and the height of the chair In the folding camping chair for outdoor camping, a means of adjusting the height of the chair's rear leg is an auxiliary leg installed on the rear leg, and when the rear leg is pressed by hand, it is pressed inward to the inside of the rear leg and protrudes outward if not pressed. A plurality of projection means protruded to the outside by the elastic means installed on the inside of the rear leg so as to be elastically supported while being installed in the longitudinal direction of the rear leg, and the first guide is fixed to the rear leg through the fixing means to guide the movement of the auxiliary leg Is installed, the secondary leg is fixed to the secondary leg through a fixing means to move the rear leg There is disclosed a folding guide for outdoor camping, characterized in that a second guide is provided for guiding, and a projection hole is formed on the surface of the second guide to which the projection means of the hind leg is fitted.

However, the outdoor chair of Patent Document 1 has a problem that it is large in size and heavy in weight to carry around for use in camping or hiking.

In addition, the folding camping chair for outdoor camping of the patent document 2 takes a plurality of members and is not only complicated in configuration, but also hinge holes, protrusions, first guides, fixing means, etc., for connecting the rear legs, and connecting the auxiliary legs. For this reason, the hinge shaft, the projection hole, the second guide, the fixing means, and the like should be combined with each other, so that the coupling between the members is not easy, and the coupling force by the hinge means is weak enough to support the user's load. have.

The present invention has been made to solve all the above problems, and can be folded and stored compactly, excellent portability, simple structure, easy to manufacture, structure having a strong bonding force by arranging and welding the frame arrangement An object of the present invention is to provide a frame structure of a simple chair that is durable enough to support a user's load.

In order to solve the above problems, the present invention, the center portion is bent to form a top bent portion at the top, a pair is welded to each other at the top bent portion, a pair of support parts provided on each of the lower ends of the bottom contact Lower frame; And a lower portion is welded to the lower inner surface of the upper bent portion, the center portion is bent to form a lower bent portion at the bottom, a pair is welded to each other at the lower bent portion, and the insertion portions provided at both ends of the upper end are connected to the chair seat. It provides a frame structure of a simple chair comprising a; a pair of upper frames.

In addition, the pair of lower frames is characterized in that the bottom cap is formed on the support.

In addition, the pair of upper frames are characterized in that one is a short upper frame with a short length and the other is a long upper frame with a long length.

At this time, the long upper frame is also characterized in that it further comprises a second lower bent portion formed bent over the lower bent portion.

In addition, the pair of upper frame is characterized in that the end cap is formed in the insertion portion.

In addition, the insertion portion is also characterized in that it is inserted into the pocket provided in the corner of the seat seat.

The upper bent portion and the lower bent portion are also characterized in that they are rounded.

In addition, the pair of upper frame and the pair of lower frames, the elastic cord is provided therein, it is also characterized by consisting of a plurality of sections.

According to the present invention, since it can be folded and stored compactly, it is not only excellent in portability, but also simple in structure, easy to manufacture, and by arranging and arranging frames by welding to form a structure having a firm bonding force to sufficiently support a user's load. Durable enough to be.

1 is a perspective view of a frame structure according to an embodiment of the present invention.

2 is a front view of a frame structure according to an embodiment of the present invention.

3 is a side view of a frame structure according to an embodiment of the present invention.

4 is a plan view of a frame structure according to an embodiment of the present invention.

5 is a state diagram used to connect the chair seat to the frame structure according to an embodiment of the present invention.

Figure 6a is a photograph of an embodiment of the present invention showing a structure consisting of a plurality of sections folded by the inner elastic cord.

6B is a photograph of a frame structure according to an embodiment of the present invention placed on a skin.

Figure 6c is a photograph of the frame structure wrapped in a skin according to an embodiment of the present invention.

6d is a photograph of the frame structure stored in a bag according to an embodiment of the present invention.

Hereinafter, with reference to the drawings will be described in detail with reference to specific embodiments for carrying out the frame structure of a simple chair according to the present invention.

Frame structure (1) of the simple chair according to the present invention can be conveniently used in combination with the chair seat 300 during outdoor activities such as camping, hiking, fishing, outdoor concerts and sporting events, a pair of lower frame 100 And a pair of upper frames 200 are fixedly coupled to each other.

Referring to Figures 1 to 4, the pair of lower frames 100, each of the central portion is bent to the upper bent portion 110 is formed on the bent portion of the upper, bottom surface at each lower end The support portion 120 is formed in contact with and serves as a support on a four point basis.

At this time, the upper bent portion 110 is formed in the shape of a substantially "V" shape is arranged so that the upper bent portion 110 is located on the upper side, the support portion 120 is located on the lower side.

In addition, the pair of lower frames 100 are welded to each other at the upper bent part 110 to form a weld part W, and the support parts 120 at both ends of the lower end are formed to be spaced apart from each other toward the outside.

Here, the upper bent portion 110 is formed to be rounded, it is possible to increase the area of the upper bent portion 110 of the pair of the lower frame 100 fixedly coupled, the welding area is widened when welding is welded Since there are many parts, the welding is made firm, so that the upper bent part 110 is more firmly coupled and there is no gap between the upper bent parts 110, thereby supporting the load of the user more sufficiently. .

In addition, the support parts 120 provided at both ends of the lower ends of each of the pair of lower frames 100 are in contact with the bottom surface of the outdoor, and a bottom cap 121 may be formed on the support part 120.

The pair of upper frames 200 are bent at each center portion to form a lower bent portion 210 at the lower portion bent, the insertion portion 230 is connected to the chair seat 300 at both ends of each upper end Is formed.

At this time, the lower bent portion 210 is formed in the shape of a substantially "V" shape is arranged so that the lower bent portion 210 is located on the lower side, the insertion portion 230 is located on the upper side.

In addition, the pair of upper frames 200 are welded to each other at the lower bent portion 210 to form a weld portion W, and the insertion portions 230 at both ends of the upper end are formed to be spaced apart from each other toward the outside. The chair seat 300 connected to the insertion unit 230 is pulled out to be in a slight tension state, so that the user can be seated on the chair seat 300.

Here, the lower bent part 210 is formed to be rounded, so that the lower bent part 210 of the pair of upper frames 200 may be increased to be fixedly coupled to each other, and the weld area is widened when welded to be welded. Since there are many parts, the welding is performed firmly, so that the lower bent portion 210 is more firmly coupled and there is no gap between the lower bent portions 210, thereby making the load of the user more sufficient and thus the load of the user. I can support it.

In addition, referring to FIG. 5, insertion portions 230 provided at both ends of the upper ends of the pair of upper frames 200 are connected to the chair seat 300, and the insertion part 230 is the chair seat 300. Inserted into the interior of the pocket 310 provided at each corner of the end cap 231 may be formed in the insertion portion 230 for this purpose.

For example, the chair seat 300, called seat back, which is the seat of the seated occupant, is made of stitched pieces of woven fabric such as canvas, and each of the four corners has a pocket 310 such as a tube receptacle. Is formed.

The pocket 310 is made of webbing sewn fabric made of polyester, nylon, acrylic, polyurethane alone or synthetic, the insertion portion 230 is configured to slide in or out, and is detachably connected, As described above, the pocket 310 is connected to the insertion unit 230 so that the chair seat 300 is unfolded. In this state, the pair of upper frames 200 pulls the insertion unit 230 together. It will be in a slight tension, so that the user can be seated on the chair seat (300).

At this time, the end cap 231 formed at the end of the inserting portion 230 slides into the pocket 310 and then comes into close contact with the inside of the pocket 310 due to the tensioned state of the upper frame 200. The insertion part 230 may not be arbitrarily separated from the pocket 310.

In addition, the pair of upper frames 200, one of which is located on the front side of the easy chair is a short short upper frame 200a, the other is located on the rear side of the easy chair is a long long upper frame The long upper frame 200b may further include a second lower bent part 220 formed at an upper side of the lower bent part 210 to form a backrest frame of the chair seat 300. It functions as to enable the user to support the rear load applied to the long upper frame 200b.

Furthermore, the pair of lower frames 100 and the pair of upper frames 200 are welded to each other through a plurality of welds W, so that the lower portion of the pair of upper frames 200 is the pair of lower frames ( 100 is welded to the lower inner surface of the upper bent portion 110.

As such, a lower portion of the pair of upper frames 200 is supported and welded to an inner surface of an upper portion of the pair of lower frames 100, thereby reinforcing the support force for the vertical load of the user and being moved toward the rear of the user. The bearing capacity for the load increases, and together with the welding area (W) having a large welding area, the welding is made robust, and the durability is strong enough to support the load of the user.

In addition, referring to FIG. 6A, the pair of lower frames 100 and the pair of upper frames 200 may have elastic cords 400 installed therein, each of which may be formed of a plurality of sections.

The plurality of sections are connected to each other by inserting and inserting any one section into the other of the coupling portion coupled to each other, the elastic cord 400 is made of a string having an elastic action to pull each section inwards The sections consisting of a plurality of sections are connected to one frame while passing in the lengthwise direction of the inner hollow hole of each frame.

On the other hand, referring to Figure 6b by releasing the separation of each section of the pair of the lower frame 100 and the pair of the upper frame 200 by separating the folding by the elastic cord 400 exposed to the outside compact Since it is deformed, it can be easily wrapped and wrapped in a skin S as shown in FIG. 6C or put in a small bag B as shown in FIG. 6D.

As a result, the frame structure 1 of the simple chair according to the present invention can be folded and stored compactly, which is excellent in portability, simple in structure, easy to manufacture, and has a strong bonding force by arranging and welding the frames. Become durable enough to support the user's load.

As described above, certain specific embodiments have been described in order to illustrate the present invention, but the present invention is not limited to these specific embodiments. Accordingly, various modifications, adaptations, and combinations of the various features of the described embodiments can be practiced without departing from the scope of the invention as set forth in the claims.

The frame structure of the simple chair according to the present invention can be folded and stored compactly, which is not only excellent in portability, but also simple in structure, easy to manufacture, and has a rigid coupling force by arranging and welding the frames. It is durable enough to support it, and thus has industrial applicability.

Claims

A pair of lower frames in which a central portion is bent to form an upper bent portion at an upper end, a pair is welded to each other at the upper bent portion, and support portions provided at both lower ends of the lower ends are in contact with the bottom surface; And

A lower portion is welded to the lower inner surface of the upper bent portion, the center portion is bent to form a lower bent portion at the bottom, a pair is welded to each other at the lower bent portion, the insertion portion provided at both ends of the upper end is connected to the chair seat Frame structure of a simple chair comprising a pair of upper frames.
The method of claim 1,

The pair of lower frames is a frame structure of a simple chair, characterized in that the bottom cap is formed on the support.
The method of claim 1,

The pair of upper frames, one of the short top frame is a short length, the other is a long frame of the long chair, characterized in that the long upper frame.
The method of claim 3, wherein

The long upper frame is a frame structure of a simple chair further comprises a second lower bent portion formed on the upper side of the lower bent portion.
The method of claim 1,

The pair of upper frames is a frame structure of a simple chair, characterized in that the end cap is formed in the insertion portion.
The method of claim 1,

The insertion unit is a frame structure of a simple chair, characterized in that inserted into the interior of the pocket provided in the corner of the chair seat.
The method of claim 1,

Frame structure of the simple chair characterized in that the upper bent portion and the lower bent portion is formed round.
The method of claim 1,

The pair of upper frames and the pair of lower frames, the elastic structure is provided therein, frame structure of a simple chair characterized in that consisting of a plurality of sections.