JP6194549B2 - Simple chair frame structure - Google Patents

Description

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

  Simple chairs are designed to be easily carried and used during outdoor activities where indoor chairs cannot be used. In general, chairs used at home include camping, hiking, fishing, outdoor concerts, etc. It is not suitable for portable use in most outdoor activities such as sporting events.

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

  As a conventional technique, Patent Document 1 discloses a chair for outdoor use in which a left and right leg and a sheet can be expanded or folded while being angularly moved between a left and right frame that simultaneously perform a leg and a backrest frame function. The upper part is integrally formed with a backrest in the lateral direction, and an interrupting upper part of the left and right legs is provided between the left and right frames so that the angular motion can be developed rearward by a hinge bolt. Further, the upper end of the leg is connected to the center of the bottom of the sheet so that the angular movement can be developed by a hinge bolt, and a stopper is formed on the left and right of the rear stage of the sheet, and a slide groove formed in the vertical direction on the left and right frames. A chair for outdoor use is disclosed, which is slid and guided along the opening and folding operation.

  Patent Document 2 discloses a folding chair for outdoor camping, which includes a metal frame made of aluminum and a chair cover made of a cloth material provided on the metal frame, and a rear leg of the chair is provided with a means for adjusting the height. The height of the chair's rear leg can be adjusted by an auxiliary leg provided on the rear leg. When the hand is pushed to the rear leg by hand, it is pushed toward the inside of the rear leg. The elastic means provided on the inner side of the rear leg protrudes outward and is elastically supported, while the protrusion means provided in the longitudinal direction of the rear leg and the fixing means are fixed to the rear leg to move the auxiliary leg. A first guide for guiding is provided, and a second guide for guiding the movement of the rear leg, which is fixed to the auxiliary leg by fixing means, is provided on the auxiliary leg, and the surface of the second guide is provided with the second guide The rear leg protrusion means Wherein the fit is projections hole is formed, folding the binding type chair is disclosed for outdoor camping.

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

  In addition, the folding chair for outdoor camping disclosed in Patent Document 2 requires a large number of members and is not only complicated in configuration, but also has hinge holes, protrusion means, first guide tools, fixing means, etc. for connecting the rear legs. In order to connect the auxiliary legs, a hinge shaft, a projection hole, a second guide, a fixing means and the like must be connected to each other, so that the combination of the members is not easy and the coupling force by the hinge means is weak Therefore, there is a problem that the user's load cannot be sufficiently supported.

Korea Registered Utility Model No. 0292604 (2002.2.10.25) Korean Registered Patent No. 10-1121652 (2012.03.09. Published)

  The present invention has been devised to solve the above-mentioned problems, is easy to assemble, can be folded and stored compactly, has excellent portability, is simple in structure, and manufactured. To provide a frame structure of a simple chair that is durable and durable enough to support the user's load, with a structure that has a strong coupling force with the support of the central hub Has its purpose.

  In order to solve the above-mentioned problems, the present invention provides a plate-like support, an upper body in which a plurality of upper connection tubes are formed radially on the support, and a plurality of lower parts below the support. A central hub including a lower body in which a connecting tube is formed radially; a plurality of hubs connected to the lower connecting tube so as to be detachable, provided with an elastic cord inside, and having a bottom formed at the lower end in contact with the bottom surface A plurality of upper shorts which are connected to the upper connection tube so as to be detachable, have an elastic cord therein, and an insertion portion formed at the upper end is inserted into a corner of a sheet portion of the chair sheet. A frame; and a foldable portion formed in the middle of the upper connection tube so as to be detachable, an elastic cord provided therein, and an insertion portion formed at the upper end serving as a chair To provide a frame structure of a simple chair comprising; a plurality of upper long frame to be inserted into a corner of the back portion of the over tool.

  According to the present invention, since it is easy to assemble and can be folded and stored in a compact manner, it is not only excellent in portability, but also has a simple structure, is easy to manufacture, and is supported by a central hub. The structure has a strong bonding force, and has an effect of having durability that is strong enough to sufficiently support the load of the user.

It is a perspective view of the frame structure of the simple chair by the Example of this invention. It is a front view of the frame structure of the simple chair by the Example of this invention. It is one side view of the frame structure of the simple chair by the Example of this invention. It is a top view of the frame structure of the simple chair by the Example of this invention. It is a bottom view of the frame structure of the simple chair by the Example of this invention. It is a use state figure which connected the chair sheet to the frame structure of the simple chair by the example of the present invention. It is a use state figure which connected the chair sheet to the frame structure of the simple chair by the example of the present invention. It is a use state figure which connected the chair sheet to the frame structure of the simple chair by the example of the present invention. It is a use state figure which connected the chair sheet to the frame structure of the simple chair by the example of the present invention. 1 is a diagram of an embodiment of the present invention showing a structure that is folded by an internal elastic cord. 1 is a diagram of an embodiment of the present invention showing a structure that is folded by an internal elastic cord. 1 is a diagram of an embodiment of the present invention showing a structure that is folded by an internal elastic cord. 3 is a drawing of a frame structure of a simple chair according to an embodiment of the present invention wrapped in a skin and stored. 6 is a drawing of a frame structure of a simple chair according to an embodiment of the present invention stored in a bag.

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

  A frame structure 1 of a simple chair according to the present invention can be conveniently used in combination with a chair sheet 500 during outdoor activities such as camping, hiking, fishing, outdoor concerts, and sporting events. A plurality of lower short frames 200, upper short frames 300, and upper long frames 400 each having a hollow shape and having a pipe shape are included, and are arranged so as to be opened toward each other.

  Referring to FIGS. 1 to 5, the central hub 100 is a portion where the lower short frame 200, the upper short frame 300, and the upper long frame 400 are combined, and includes a plate-like support 110. The support 110 is preferably made of an original plate.

  The central hub 100 includes an upper body 120 that is combined with the upper short frame 300 and the upper long frame 400 at an upper portion of the support 110, and a lower portion that is combined with the lower short frame 200 at the lower portion of the support 110. A body 130 is formed.

  Here, the upper body 120 has a plurality of upper connection tubes 121 formed radially, and is extended outside the support body 110 to be connected to the lower ends of the upper short frame 300 and the upper long frame 400. The lower body 130 is formed with a plurality of lower connection tubes 131 in a radial pattern. The lower body 130 extends outside the support 110 and is connected to the upper end of the lower short frame 200.

  At the same time, the upper connection tube 121 is formed so as to be inclined at a predetermined angle toward the upper side, and the upper short frame 300 and the upper long frame are provided so as to be connected to the upper side. Is formed so as to protrude upward, and the plurality of upper reinforcing leaves 122 meet and connect with each other at the center to reinforce the strength of the upper body 120.

  At the same time, the lower connection tube 131 is formed to be inclined at a predetermined angle toward the lower side, and the lower short frame 200 is provided to be connected to the lower side, and a lower reinforcing rib 132 is provided at the lower side. A plurality of lower reinforcing ribs 132 are formed so as to protrude downward and meet each other at the center to reinforce the strength of the lower body 120.

  The upper connecting tube 121 and the lower connecting tube 131 are connected to each other by a support rib 140 to fill a space between the upper connecting tube 121 and the lower connecting tube 131, so that the central hub 100 has a firm coupling force. It becomes a structure, and it is durable enough to support the user's load sufficiently.

  The lower short frame 200 is connected and connected to the lower connection tube 131 so as to be detachable. For example, the upper end of the lower short frame 200 is fitted inside the lower connection tube 131, and FIG. For example, an elastic cord D is provided inside, and it can be easily folded, and a bottom portion 210 provided with a bottom cap 211 is formed at the lower end and supported in contact with the bottom surface. Acts as a support.

  The upper short frame 300 is connected so as to be detachable from the upper connection tube 121. For example, the lower end of the upper short frame 300 is fitted inside the upper connection tube 121, An elastic cord D is provided to allow easy folding, and an insertion portion 310 having an end cap 311 is formed at the upper end, and a pocket 540 formed at a corner of the sheet portion 510 of the chair sheet 500 is formed. Inserted and combined inside.

  The upper long frame 400 is connected so as to be detachable from the upper connection tube 121. For example, the lower end of the upper long frame 400 is fitted inside the upper connection tube 121, An elastic cord D is provided to enable easy folding, and an insertion portion 410 having an end cap 411 is formed at the upper end, and into a pocket 540 formed at a corner of the sheet portion 510 of the chair sheet 500. Insert and combine.

  At this time, in order to supplement the supporting force of the upper long frame 400 that is longer than the upper short frame 300, the bent portion 420 is rounded at the lower portion of the upper long frame 400. It becomes possible to more fully support the user's load by forming the bend.

  At the same time, the lower short frame 200, the upper short frame 300, and the upper long frame 400 are each provided with an elastic cord D, and each of the plurality of sections may be engaged with each other. In the joint portion to be combined, any one of the sections is inserted and connected to the inside of the other section, and the elastic cord D is made of an elastic line and pulls each section inwardly. A portion composed of a plurality of sections is connected as one frame while passing through a hollow internal hole in the longitudinal direction.

  6a to 6d, the chair sheet 500 includes a sheet portion 510, a backrest portion 520, and a side portion 530, and both upper ends of the upper short frame 300 and the upper long frame 400 face outward. When the end caps 311 and 411 provided in the insertion portions 310 and 410 are inserted into the pockets 540 formed at the corners of the chair sheet 500 and are connected to each other, the insertion portions 310 and 410 are connected to each other. The chair sheet 500 connected to 410 is pulled, and is slightly in tension, and a seat part 510 for seating is provided on the lower side, and a backrest part 520 is provided on the back to support the back, Side portions 530 are formed on both sides so that arms can be put on.

  In addition, a chair sheet 500 called a seat back, which is a part where a seated person sits, is made from a piece of fabric woven like a canvas, and each of the four corners has a tube receptacle. Such a pocket 540 is formed.

  The pocket 540 is formed by webbing an original fabric made of polyester, nylon, acrylic, or polyurethane alone or synthetically, and the insertion portions 310 and 410 are configured to be slid inward or outward so that they can be detached. Thus, the chair sheet 500 is opened by connecting the pocket 540 to the insertion portions 310 and 410 in this manner. In this state, the upper short frame 300 and the upper long frame 400 are slightly tensioned by pulling the insertion portions 310 and 410 together, whereby the sheet portion 510, the backrest portion 520, and both sides The side portion 530 is formed, and the user can sit on the chair sheet 500.

  At this time, end caps 311 and 411 formed at the ends of the insertion portions 310 and 410 are brought into close contact after sliding into the pocket 540, and the upper short frame 300 and the upper long frame 400 are tensioned. The inserted portions 310 and 410 are not arbitrarily detached from the pocket 540 by being brought into close contact with the inside of the pocket 540 according to the done state.

  The upper short frame 300 is connected to the front of the chair sheet 500 to support a sheet portion 510 on which the user is seated, and the upper long frame 400 is connected to the rear of the chair sheet 500 to support the user. 520 is supported, and at the same time, side portions 530 are formed on both sides so that the user can sit on both arms.

  At the same time, the chair sheet 500 maintains a tensioned state so that the sheet portion 510 is not in contact with the central hub 100, and a load of a user is not directly applied to the central hub 100. Thus, the frame structure 1 can be prevented from collapsing.

  This reinforces the support for the user's vertical load, while at the same time increasing the support for the user's back-biased load, maintaining a solid combination and being strong enough to support the user's load. It becomes durable.

  When the combination of the sections of the lower short frame 200, the upper short frame 300, and the upper long frame 400 is released and separated, the sections are folded and compactly deformed by the elastic cord D exposed to the outside. It becomes easy to wrap and store in a small bag B as shown in FIG.

  As a result, the frame structure 1 of the simple chair according to the present invention is easy to assemble and can be folded and stored compactly. Therefore, the structure is simple as well as easy to manufacture as well as excellent portability. In response to the support of the central hub, it becomes a structure with a strong binding force, and has a durability that is strong enough to support the user's load.

  As mentioned above, although arbitrary specific Example was described in order to demonstrate this invention, this invention is not limited to such a specific Example. Accordingly, various modifications, applications and combinations of the various features of the described embodiments can be made without departing from the scope of the invention as set forth in the appended claims.

The frame structure of a simple chair according to the present invention is easy to assemble and can be folded and stored in a compact manner, so that it has excellent portability as well as simple structure and easy manufacture, so it supports the central hub. As a result, it becomes a structure having a strong bonding force, and has a durability that is strong enough to support the load of the user, so that it has industrial applicability.

Claims (7)

A plate-like support, an upper body in which a plurality of upper connection tubes are formed radially on the support, and a lower body in which a plurality of lower connection tubes are formed radially on the lower part of the support. Including central hub;
A plurality of lower short frames connected to the lower connection tube so as to be detachable, provided with an elastic cord therein, and having a bottom formed at the lower end in contact with the bottom;
A plurality of upper short frames connected to the upper connection tube so as to be detachable, provided with an elastic cord therein, and having an insertion portion formed at an upper end inserted in a sheet portion corner of a chair sheet; and the upper connection Connected to the tube so that it can be attached and detached, a bent part is formed in the middle, an elastic cord is provided inside, and an insertion part formed at the upper end is inserted into the corner of the back part of the chair sheet. An upper long frame;
The upper connection tube is formed to be inclined at a predetermined angle toward the upper side and the lower connection tube is directed toward the lower side, and an upper reinforcing rib is formed on the upper part of the upper connection tube, A frame structure for a simple chair , wherein the upper reinforcing ribs are connected to each other at a center, a lower reinforcing rib is formed at a lower portion of the lower connection tube, and the plurality of lower reinforcing ribs are connected to each other at the center. .   The frame structure for a simple chair according to claim 1, wherein the upper connection tube and the lower connection tube are connected to each other by a support rib.   The frame structure for a simple chair according to claim 1, wherein a bottom cap is formed at the bottom of the lower short frame.   The frame structure for a simple chair according to claim 1, wherein the upper short frame and the upper long frame are formed with end caps at the insertion portion. The insertion part is inserted into a pocket provided at a corner of the chair sheet and combined with the chair sheet,
The frame structure of a simple chair according to claim 4 , wherein a sheet portion of the chair sheets is not in contact with the central hub. The frame structure for a simple chair according to claim 1 , wherein the bent portion is formed by bending a lower portion of the upper long frame so as to form a downwardly convex arc .   The frame structure for a simple chair according to claim 1, wherein any one or more of the lower short frame, the upper short frame, and the upper long frame includes a plurality of sections.

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