KR101866539B1 - Frame Structure of Folding Door - Google Patents

Abstract

The present invention relates to a folding door frame structure in which a wheel of a folding door is easily slidable in a frame, and includes a horizontal bar forming a horizontal axis of the frame for fastening the folding door; A vertical bar mounted on both sides of the horizontal bar and forming a vertical axis of the frame for fastening the folding door; And a roller connected to the horizontal bar to slide the folding door in the frame.

Description

[0002] Frame Structure of Folding Door [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door frame structure, and more particularly to a folding door frame structure in which wheels of a folding door are easily slidable in a frame.

The folding door is generally called folding door and it can be used for replacing the inner and outer walls of the building wall. It is durable in response to mechanical external force. It is also suitable for external use because it has soundproof and windproof effect. Do. In addition, it is possible to secure the field of view by applying glass to the product, and it is also used for internal use because of its excellent design.

And folding doors open more than 90% of 50% of the existing doors in order to utilize the valuable space, so it provides a wide living space for residential use and facilitates customers' It is a tendency to be used for entrance or exit of houses, shops, and so on.

Korean Patent Laid-Open No. 10-2016-0116806 (Oct. 10, 2016) discloses a folding door that can be installed directly on a window frame for a sliding door to provide a folding door that can be installed thereon without removing the window frame for a sliding door A lower cover covering the lower frame of the sliding window frame and having a flat upper surface, an upper cover covering the upper frame of the sliding window frame, and a side cover covering the side frames of the sliding window frame, A lower frame for a folding door provided at an upper portion of the folding door, a lower frame for a folding door provided at a lower portion of the upper cover, and a folding door connected to the lower frame for the folding door and the upper frame for the folding door CLAIMS 1. A window frame for a folding door comprising a side frame, comprising: a plurality of doors and a hinge coupled to a lower portion of the door; And a lower roller hinge including a roller portion connected and moving along the lower rail. According to the disclosed technology, the time and cost for removing the window frame for sliding doors can be reduced, and the finishing work to be carried out after the folding door is installed in the place where the sliding window frame is demolished, for example, concrete pouring, Since flooring construction such as flooring and flooring is unnecessary, the working time and cost can be avoided.

In Korean Registered Utility Model No. 20-0312172 (Mar. 21, 2003), a gap removing member is further mounted on the upper end of the holder in a state in which a pair of rollers are attached to the door panel via the holder, By effectively removing the gap with the lower supporting member, the roller is not subjected to transverse torsional stress and the roller is not released. According to the disclosed technique, a first "" -shaped steel rod provided at a predetermined distance in the width direction to constitute the outside of the rail and a first " And a plurality of vertically spaced apart portions in the width direction and perpendicular to the width direction of the first "C" shape steel, respectively, on the lower portion of the inner surface of the first " And a plurality of second "" -shaped steel bars attached to the upper surface of the plurality of lower support members and the lower surface of the upper support member in the same installation direction as the first " A plurality of rails attached to the bottom surface of the " C "shaped steel in the same longitudinal direction as the longitudinal direction of the second" C "shaped steel, a pair of rollers seated on the rails, The support and the roller support And a gap removing member coupled to an upper end of the holder to remove a gap between the holder and the lower support member so that the door panel is not subjected to the horizontal torsional stress, So that the gap removing member can be firmly moved in a state of being in close contact with the inner surface of the lower support member when the door panel is moved.

The conventional folding door as described above has a disadvantage in that the friction area between the wheel of the folding door and the lower frame is widened so that the wheels can not smoothly slide and generate a lot of noise while rotating.

Korean Patent Publication No. 10-2016-0116806 Korean Registered Utility Model No. 20-0312172

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a folding door frame structure in which wheels are easily slidable by minimizing a frictional force between wheels and frames of the folding door.

In order to solve such a problem, according to one aspect of the present invention, there is provided a vertical bar which forms a horizontal axis of a frame for fastening a folding door; A vertical bar mounted on both sides of the horizontal bar and forming a vertical axis of the frame for fastening the folding door; And a roller connected to the horizontal bar to slide the folding door in the frame.

In one embodiment, the horizontal bar includes: a lower track for slidingly connecting the roller to the inner space; And a lower track cover for mounting the lower track on the inner space to cover the lower track.

In one embodiment, the lower track includes a track main body for slidingly connecting the roller to the inner space; And two lids for covering both sides of the top of the trek body.

In one embodiment, the lower track may further include two rail portions protruding from an inner surface of the track main body portion where the roller of the roller rolls.

In one embodiment, the rail portion may be formed with a tapered upper portion.

In one embodiment, the lower track may further include two support protrusions protruding from the upper side of the track main body in an outward direction to support the track main body.

In one embodiment, the lower track may further include two fastening portions formed to protrude from the support chuck at predetermined intervals to fasten the upper portion of the lower track cover.

In one embodiment, the lower track cover includes: a cover main body for covering the lower track by mounting the lower track on the inner space; A lower surface of the cover body portion is bent downward to form a curved shape at a predetermined depth; And two support portions protruding from both sides of the cover main body portion by a recessed height of the bent portion in a downward direction to support the cover main body portion.

In one embodiment, the lower track cover may further include two fastening protrusions formed to protrude inward from the upper side of the cover body portion and to be fastened to the upper side of the lower track.

In one embodiment, the lower track cover is protruded from an intermediate portion of both inner side surfaces of the cover body portion, and two distance maintaining portions are formed protruding from the lower protrack portion to maintain a constant distance from the lower track .

According to the present invention, there is provided a folding door frame structure in which a wheel is easily slidable by minimizing a frictional force between a wheel and a frame of the folding door, so as to smoothly slide the wheels In addition, it has the effect of minimizing noise generated during rotation.

1 is a view for explaining a folding door frame structure according to an embodiment of the present invention.
Fig. 2 is a view for explaining the horizontal bar in Fig. 1. Fig.
FIG. 3 is a view for explaining the lower track in FIG. 2. FIG.
Fig. 4 is a view for explaining the lower track cover shown in Fig. 2. Fig.
5 is a view for explaining a combination of a lower track and a lower track cover.
Fig. 6 is a cross-sectional view of the horizontal bar and the vertical bar shown in Fig. 2. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

Meanwhile, the meaning of the terms described in the present invention should be understood as follows.

The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present invention.

Now, a folding door frame structure according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 is a view for explaining a folding door frame structure according to an embodiment of the present invention.

Referring to FIG. 1, the folding door frame structure includes a horizontal bar 100, a vertical bar 200, and a roller 300.

The horizontal bar 100 is a folding door (i.e., a folding door, a door, a door with a special drum attached to a rail mounted on a door, or a folding door) And the horizontal axis of the frame for fastening the frame is formed.

The vertical bar 200 is mounted on both sides of the horizontal bar 100 and forms the longitudinal axis of the frame for fastening the folding door.

The roller 300 is connected to the horizontal bar 100 to slide the folding door in the frame.

1, the folding door frame structure having the above-described structure is formed by the horizontal bar 100 having the upper side and the lower side, and the vertical bars 200 on both sides are formed by the vertical bar 200 , A frame of the folding door can be formed.

The folding door frame structure having the above-described structure minimizes the frictional force between the wheels and the frame of the folding door so that the roller 300 is easily slidable, so that the roller 300 smoothly slides, The noise generated when the wheel of the roller 300 rotates can be minimized.

Fig. 2 is a view for explaining the horizontal bar in Fig. 1. Fig.

Referring to FIG. 2, the horizontal bar 100 includes a lower track 110 and a lower track cover 120.

The lower track (110) is installed in the inner space of the lower track cover (120), and the roller (300) is connected to the inner space to slide.

The lower track cover 120 covers the lower track 110 by mounting the lower track 110 in the inner space.

5, the horizontal bar 100 having the above-described structure includes a lower track cover 120 on the outermost side and a lower track 110 on the inner space of the lower track cover 120 And the roller 300 is connected to the inner space of the lower track 110 to slide and the folding door is mounted on the upper portion of the roller 300.

The horizontal bar 100 having the above-described structure is formed by forming the two-layer frame formed of the lower track 110 and the lower track cover 120 instead of the existing one-layer chassis frame, It is possible to maximize the heat insulation effect by decreasing the heat conductivity as well as the durability.

6, the horizontal bar 100 having the above-described structure is configured such that the lower track cover 120 has a predetermined length (that is, the vertical bar 200 can be fastened to the lower track 100) The vertical bar 200 may be inserted into the formed space, and then the vertical bar 200 may be fastened to both sides of the vertical bar 200 with a pair of nails.

FIG. 3 is a view for explaining the lower track in FIG. 2. FIG.

Referring to FIG. 3, the lower track 110 includes a trek body 111 and two lids 112.

The trunk main body 111 is formed with lid portions 112 on both sides of its upper portion and the roller 300 is connected to the internal space and slidably connected.

The lid portion 112 covers both sides of the top of the trek body portion 111. At this time, the trek main body 111 can slide the folding door through the uncovered intermediate portion.

The lower track 110 having the above-described configuration may further include two rail portions 113.

The rail portion 113 is protrudingly formed on the inner surface of the track body portion 111 where the wheels of the roller 300 roll.

In one embodiment, the rail portion 113 is formed so as to have a tapered upper portion, thereby minimizing the frictional force of the roller 300 with respect to the wheels, thereby not only softening the sliding but also reducing the frictional force It is also possible to minimize the noise that may occur.

The lower track 110 having the above-described configuration may further include two support tabs 114.

The support jaw portion 114 is formed so as to protrude outward from the top of the trek body portion 111 to support the trek body portion 111.

In one embodiment, the support jaw 114 has a length sufficient to cover the top of the lower track cover 120 (i.e., corresponding to the length of the fastener protrusion 124 described below) as shown in Fig. It is preferable that the outer cover 120 is protruded to the outside of the lower track cover 120 or that the lower track cover 120 is not excessively covered so that uniformity in appearance is maintained.

The lower track 110 having the above-described structure may further include two fastening portions 115.

The fastening part 115 is formed at a predetermined interval from the support step 114 so that the upper side of the lower track cover 120 can be fastened to the fastening protrusion part 124, (More specifically, the inside of the fastening protrusion 124 is inserted and tightened) with a predetermined distance (for example, an interval sufficient to insert the fastening protrusion 124).

5, the fastening protrusion 124 is inserted into the space between the fastening protrusion part 114 and the supporting chuck part 114 together with the supporting chuck part 114 as shown in FIG. 5, 114 can be prevented from being detached from the space between them.

Fig. 4 is a view for explaining the lower track cover shown in Fig. 2. Fig.

Referring to FIG. 4, the lower track cover 120 includes a cover body portion 121, a bent portion 122, and two support portions 123.

The cover main body 121 covers the lower track 110 by attaching a lower track 110 to the inner space.

The bent portion 122 is curved downwardly by a predetermined depth (for example, 3 mm to 4 mm, preferably 3.7 mm or the like) in the lower direction of the cover body portion 121 to form a curvature.

The support portion 123 protrudes downward from the both sides of the cover main body portion 121 by the recessed height of the bending portion 122 to support the cover main body portion 121.

The lower track cover 120 having the above-described structure may further include two fastening protrusions 124.

The fastening protrusion 124 protrudes inward from the upper side of the cover main body 121 and is fastened to the upper side of the lower track 110. [

In one embodiment, the fastening protrusion 124 is inserted and fastened in a space formed between the fastening portion 115 and the support tab 114 as shown in FIG. 5, so that the lower track 110 is fastened to the lower track cover 120 from being detached.

The lower track cover 120 having the above-described structure may further include two distance maintaining portions 125. [

The distance maintaining portion 125 protrudes from the middle portion of the inner side surfaces of both sides of the cover main body portion 121 and is protruded by the coupling protrusions 124 to maintain a certain distance from the lower track 110. [

In one embodiment, the distance maintaining portion 125 may perform the function of fixing the lower track 110 to the inner space of the lower track cover 120 after fixing the lower track 110 as shown in FIG. 5 In addition, by minimizing the contact area between the lower track (110) and the lower track cover (120), it is possible to maximize the mutual thermal insulation effect.

The embodiments of the present invention are not limited to the above-described apparatuses and / or methods, but may be implemented by a program for realizing functions corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded, And such an embodiment can be easily implemented by those skilled in the art from the description of the embodiments described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

100: horizontal bar
110: Lower Trek
111:
112:
113: Le Mans
114: support jaw
115:
120: Lower track cover
121: Cover main body part
122: Bend
123:
124: fastening protrusion
125:
200: Vertical bar
300: roller

Claims (10)

A horizontal bar forming a horizontal axis of the frame for fastening the folding door;
A vertical bar mounted on both sides of the horizontal bar and forming a vertical axis of the frame for fastening the folding door; And
And a roller connected to the horizontal bar to slide the folding door in the frame,
Wherein the horizontal bar includes: a lower track for slidingly connecting the roller to the inner space; And a lower track cover for mounting the lower track on the inner space to cover the lower track,
The lower track includes a track main body for slidingly connecting the roller to the inner space, And two lids for covering both sides of the top of the trek body,
The lower track further includes two support protrusions protruding outward from the upper side of the track main body to support the track main body,
The folding door frame structure according to claim 1, wherein the lower track further comprises two fastening portions protruding from the support flange at predetermined intervals to fasten the upper portion of the lower track cover.
delete delete The vehicle according to claim 1,
Further comprising two rail portions protruding from an inner surface of the track main body portion where the rollers roll.
5. The apparatus according to claim 4,
And the upper portion of the folding door frame is curved.
delete delete The vehicle according to claim 1, wherein the lower track cover
A cover main body for covering the lower track by mounting the lower track on an inner space;
A lower surface of the cover body portion is bent downward to form a curved shape at a predetermined depth; And
And two supporting portions projecting from both sides of the cover main body portion by a recessed height of the bent portion in a downward direction to support the cover main body portion.
The vehicle according to claim 8, wherein the lower track cover
Further comprising two fastening protrusions formed to protrude inward from the upper side of the cover body part and to be fastened to the upper side of the lower track.
The vehicle according to claim 9, wherein the lower track cover
The folding door frame structure according to claim 1, further comprising two distance holding portions protruding from middle portions of inner side surfaces on both sides of the cover body portion, and protruding from the inner side surfaces of the cover body portion to maintain a predetermined distance from the lower track.

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