KR102630905B1 - Folding Door - Google Patents

Abstract

The present invention includes a frame portion including an upper frame provided with a guide rail, a lower frame positioned spaced apart from the lower part of the upper frame and provided with a guide rail, the upper portion is connected to the upper frame, and the lower portion is connected to the lower frame, A plurality of door windows, each of which is formed independently and separately, a rotating shaft portion provided in a vertical direction at the upper center and lower center of each of the door windows, and the rotating shaft portion is rotatably coupled and connected to a guide rail to form a guide rail. It is characterized in that it comprises a guide part that reciprocates and slides along, and a contact support part including a guide ball that is provided in a spherical shape and protrudes from the side of the guide part to make point contact with the guide rail and rotates according to the movement of the guide part. Folding doors can be provided. According to the above, since each door window is formed in an independently separated structure, various opening and closing structures can be configured, which can provide the effect of increasing space utilization.

Description

Folding Door {Folding Door}

The present invention relates to a folding door, and more specifically, it is formed to provide a sense of openness and expand the field of view, so that it is used in places where an exhibition function is required or in places where the openness of the internal space is considered, and it can be configured in various opening and closing structures to improve space utilization. This is about folding doors that can be improved.

In general, a folding door is a type of door that increases the sense of openness and visibility by increasing the opening area compared to existing rotary or sliding doors. It is mainly used in commercial buildings for restaurants, etc.

These folding doors have a structure in which the side edges of each window are continuously folded and connected to each other to make valuable use of space, folding and unfolding like a folding screen, and the 50% opening/closing structure of existing doors is reduced to more than 90%. It is opened to create a spacious living space for residential use, and for commercial use, it facilitates customer accessibility, so it is mainly used for entrances or combination doors of high-end restaurants, apartments, houses, and shopping malls.

However, the conventional folding door described above has a problem in that it has limitations in configuring various opening and closing structures, such as having to open or fold all the windows at once because each window is connected to each other.

Republic of Korea Registered Utility Model Publication No. 20-0487621

The purpose of the present invention is to provide a folding door that can improve space utilization by forming various opening and closing structures in which each door window is independently separated.

The present invention includes a frame portion including an upper frame provided with a guide rail, and a lower frame positioned spaced apart from a lower portion of the upper frame and provided with the guide rail; a plurality of door windows, the upper part of which is connected to the upper frame and the lower part of which is connected to the lower frame, each of which is formed independently and separately; a rotating shaft portion provided in a vertical direction at the upper central portion and lower central portion of each of the door windows; a guide portion rotatably coupled to the rotating shaft portion and connected to the guide rail to reciprocate and slide along the guide rail; It is possible to provide a folding door characterized in that it includes; a contact support part that is provided in a spherical shape and protrudes from a side of the guide part to make point contact with the guide rail and includes a guide ball that rotates as the guide part moves. there is.

In addition, the present invention may be configured to further include a support portion where both ends are respectively coupled to the adjacent guide portions and connect the guide portions to each other to prevent the guide portion from being tilted.

Meanwhile, the guide portion is fitted while surrounding the lower outer surface of the guide rail, and the guide rail may be formed so that the width of the lower portion to which the guide portion is coupled becomes wider toward the bottom to prevent the guide portion from being separated. .

Furthermore, the present invention may be configured to further include a support roller provided in the guide portion and in contact with the guide rail to support the guide portion when the guide portion moves.

In addition, the present invention may be configured to further include attachment and detachment means provided on the door windows to detachably couple the adjacent door windows to each other.

The folding door according to the present invention can have various opening and closing structures because each door window is independently separated, thereby providing the effect of increasing space utilization.

1 and a perspective view showing a folding door according to an embodiment of the present invention.
Figure 2 is a perspective view showing a state in which the door windows are rotated and folded in a folding door according to an embodiment of the present invention.
Figure 3 is an enlarged perspective view of the guide part in a folding door according to an embodiment of the present invention.
Figure 4 is a front view schematically showing another embodiment of a folding door including a guide portion according to an embodiment of the present invention.
Figures 5 and 6 are front views showing the operation process of the guide part in the folding door according to the embodiment of the present invention in Figure 4.
Figure 7 is a front view showing another embodiment in which a support roller is provided in a folding door according to an embodiment of the present invention.
Figures 8 and 9 are diagrams showing a state in which door windows are contacted and coupled to each other by attaching and detaching means in a folding door according to an embodiment of the present invention.
Figure 10 is a front cross-sectional view showing another embodiment of a folding door provided with a contact support portion according to an embodiment of the present invention.
Figure 11 is a diagram showing another embodiment of a folding door including a rotation control unit according to an embodiment of the present invention.

Hereinafter, a preferred embodiment will be described with reference to the attached drawings so that the present invention can be understood in more detail.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention. The term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted in an ideal or excessively formal sense unless explicitly defined in the present application. No.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. In order to facilitate overall understanding when describing the present invention, the same reference numerals are used for the same components in the drawings, and duplicate descriptions for the same components are omitted.

Referring to Figures 1 and 2, in the folding door according to an embodiment of the present invention, unlike the existing folding door in which the door windows are all continuously folded and connected to each other, each door window 200 is independently connected to each other. It consists of a separate structure, and through this, various opening and closing structures can be formed, improving space utilization.

Referring to FIG. 3, a folding door according to an embodiment of the present invention may be configured to include a frame portion 100, door windows 200, a rotating shaft portion 300, and a guide portion 400. there is.

The frame portion 100 supports the door windows 200 to be erected and serves to guide the door windows 200 to move.

In detail, the frame portion 100 may be formed as a frame structure as shown, including an upper frame 110 connected to the upper part of the door windows 200 and a lower portion of the upper frame 110. It may be configured to include a lower frame 120 that is spaced apart and connected to the lower part of the door windows 200.

Here, the frame portion 100, although not shown, includes a right frame and a left frame whose upper and lower ends are combined with both ends of the upper frame 110 and the lower frame 120, and includes the upper frame 110, The lower frame 120, the right frame, and the left frame may be formed in a square frame shape.

Meanwhile, the frame unit 100 may be provided with guide rails 150 on the upper frame 110 and the lower frame 120.

The guide rail 150 is provided along the longitudinal direction of the upper frame 110 and the lower frame, and is connected to the guide portion 400 so that the door windows 200 are connected to the upper frame 110 and the lower frame. It serves to guide the lower frame 120 to move back and forth along its longitudinal direction.

Here, the guide rail 150 has one surface protruding from the lower surface of the upper frame 110 and the upper surface of the lower frame 120, so that the guide portion 400 can be fitted.

The guide portion 400 may be fitted to surround the lower outer surface of the guide rail 150 in an approximately U-shape as shown.

At this time, the guide rail 150 is configured to prevent the guide portion 400 from falling out in the vertical direction due to weight, etc. after the guide portion 400 is fitted. The lower part where 400) is joined may be formed so that the width becomes wider toward the bottom.

Furthermore, the guide rail 150 may be formed in the form of a single line as shown, but of course, in one embodiment, it may be formed in multiple lines.

The door windows 200 may include a square window frame 210 and a square window 220 coupled to the inside of the square window frame 210, and the upper portion includes the rotation axis part 300 and the guide part. It can be connected to the upper frame 110 through 400, and the lower part can be connected to the lower frame 120 through the rotation shaft part 300 and the guide part 400.

Meanwhile, in the present invention, the door windows 200 are connected to the frame portion 100 so that each is independently separated, and thus the door windows 200 can change their respective positions and also have an opening and closing structure. It can be changed in various ways.

In other words, the present invention can have different opening and closing structures for each of the door windows 200, and some of the door windows 200 are arranged horizontally along the longitudinal direction of the guide portion 400 to shield the inside and outside. The rest can be opened by rotating in a direction perpendicular to the guide part 400, and various opening and closing structures can be formed.

In addition, in the present invention, since the entire door windows 200 are not connected to each other and each is separated, the positions can be variously positioned. For example, some of the door windows 200 are placed on the left and the rest are It can be positioned in various ways, such as positioning it on the right.

The rotation axis portion 300 serves as an axis that allows the door windows 200 to rotate, and a pair is coupled to the upper and lower central portions of the door window 200, respectively, and each pair is rotated in a vertical direction. Can be arranged in alignment.

The guide part 400 is rotatably coupled to the rotation axis part 300 on one side, and the inner surface of the other side is connected to the guide rail 150, so that it can reciprocate and slide along the guide rail 150.

Meanwhile, the guide portion 400 and the rotation shaft portion 300 are rotatably coupled to each other so that the door windows 200 can rotate. For this purpose, the rotation shaft portion 300 is connected to the door window 200. It may be fixedly coupled to and rotatably coupled to the guide portion 400, or it may be rotatably coupled to the door window 200 and fixedly coupled to the guide portion 400.

As shown, the guide portion 400 may be coupled such that its inner surface surrounds the other and both sides of the guide rail 150 and can be slidably moved.

Here, the guide portion 400 may be formed so that its inner surface corresponds to the shape of the guide rail 150, and as described above, is formed to become wider toward the bottom of the guide rail 150. It is fitted so as to be slidable and can be prevented from being separated from the guide rail 150.

Meanwhile, the folding door according to an embodiment of the present invention may be configured to further include a support portion 600, a support roller 700, a attachment/detachment means 800, and a contact support portion 500.

First, let's look at the support part 600.

First, in the case of the existing folding door, since all the door windows are interconnected, there is no case where each door window tilts, but in the case of the present invention, since each door window 200 is individually separated, it does not tilt when sliding. In some cases, the vertical alignment of the door window 200 may be misaligned.

Then, the guide part 400 is tilted obliquely with respect to the vertical direction. In this case, the guide part 400 interferes (gets caught) in the guide rail 400 and causes the sliding movement of the door window 200. This may not be smooth.

Accordingly, the folding door of the present invention may be configured to include a support portion 600 that prevents the guide portion 400 from being tilted and allows the door window 200 to move smoothly.

Referring to FIG. 4, the support part 600 is coupled at both ends to each of the guide parts 400 adjacent to each other, connects the guide parts 400 to each other, and thereby prevents the guide part 400 from being tilted. It can be prevented.

In other words, the support part 600 is located between adjacent guide parts 400 and connects the guide parts 400 to each other, so that the door windows 200 operate individually and separately, but the guide parts ( 400) have the effect of being integrally connected to each other, thereby preventing any one of the guide parts 400 from being tilted individually, thereby effectively preventing the entire guide part 400 from tilting. .

Meanwhile, the support part 600 may be configured to be flexible in order to respond to changes in the distance between the guide parts 400 as the guide part 400 moves.

Figures 5 and 6 are diagrams showing the change in length of the support part 600 according to the movement of the guide part 400. Referring to Figures 5 and 6, the support part 600 is shortened in length as the distance between the guide parts 400 moves, correspondingly, as the distance between them becomes shorter, while the length decreases in response to the movement of the guide part 400. It can be configured to expand.

Here, the support portion 600 can be configured in a variety of flexible configurations as described above. In a preferred embodiment, it is preferably formed in a telescopic structure that is easy to handle and operate. In this case, the support portion 600 (600) is formed in a shape corresponding to the longitudinal cross-sectional shape of the guide part 400, so that both ends can be coupled to the sides of the guide part 400 on both adjacent sides.

Below, we will look at the support roller 700.

Referring to FIG. 7, the support roller 700 is provided on the guide part 400 and serves to support the guide part 400.

In detail, the support roller 700 is rotatably coupled to the guide part 400 and contacts the guide rail 150 to support the guide part 400 when the guide part 400 moves. You can.

The support roller 700 may be variously provided as one or more as long as it can stably support the guide portion 400, and preferably supports stably in response to the reciprocating movement of the guide portion 400. It may be provided at the front and rear of the guide part 400, respectively.

Meanwhile, as described above, in the present invention, the door windows 200 can have various opening and closing structures and positions. Once the positions of the door windows 200 are determined, it is necessary to fix the positions of the door windows 200. Accordingly, the present invention can fix the positions of the door windows 200 by providing a detachment means 800.

Referring to FIGS. 8 and 9, the attachment and detachment means 800 are provided on the door windows 200 and serve to detachably couple the adjacent door windows 200 to each other, thereby attaching the door windows 200 to each other. (200) can be prevented from moving around.

Here, the attachment and detachment means 800 may be configured to include a magnet, and may cause adjacent door windows 200 to be contacted and coupled to each other by manpower and separate the door windows 200 by the user's external force. .

The attachment and detachment means 800 may be provided on the front, rear, and sides of the door window 200, respectively, corresponding to the position of the door window 200.

Figure 8 shows a case where the door windows 200 are spread out in a row, and the door windows 200 can be coupled to each other by attachment and detachment means 800 provided on the side.

Also, Figure 9 shows a case where the door windows 200 overlap each other and are folded after rotation. In this case, the door windows 200 can be coupled to each other by attachment and detachment means 800 provided on the front and rear sides.

Meanwhile, the attachment and detachment means 800 may be configured to include a magnet as described above, but this is a preferred embodiment and, of course, other configurations such as a attachment and detachment clip may be applied if the above-mentioned purpose can be achieved.

Below, we will look at the contact support part 500.

Referring to FIG. 10, the contact support part 500 minimizes friction between the guide part 400 and the guide rail 150 through point contact rather than surface contact, thereby supporting the guide part with respect to the guide rail 150. (400) can enable smoother sliding movement.

Accordingly, the contact support part 500 is provided on the inner surface of the guide part 400 facing the guide rail 150 and makes point contact with the guide rail 150, and the guide part 400 It may be configured to include a guide ball 510 that rotates according to the movement of .

The guide ball 510 has a spherical shape and is rotatably inserted into the fitting groove 410 formed on the side of the guide part 400, and protrudes from the side of the guide part 400 to form the guide rail 150. It can be configured to rotate while making point contact with respect to .

The guide balls 510 may be provided in plural numbers spaced apart from each other on the inner surface of the guide part 400 to support the guide part 400 in a balanced and stable manner.

Figure 11 is a diagram showing another embodiment of a folding door including a rotation control unit according to an embodiment of the present invention.

Referring to FIG. 11, the present invention may be configured to include a rotation control unit 900 that controls the rotation speed of the door window 200.

The rotation control unit 900 cushions the door window 200 when the door window 200 is folded or unfolded, thereby reducing impact or damage between the door windows 200 and allowing the user to use it more stably. .

The rotation control unit 900 is installed built into the square window frame 210 and is connected to the rotation shaft unit 300 to control the rotation speed of the rotation shaft unit 300.

Here, the rotation control unit 900 includes a piston that is connected to the rotation shaft 300 using hydraulic pressure and moves according to the rotation of the rotation shaft 300, and a buffer cylinder that is coupled to the piston to buffer the piston movement. It may be configured to include, and the rotation of the door window 200 can be stabilized by buffering the piston movement and the rotation of the rotation shaft portion 300 by the buffer cylinder.

Meanwhile, the rotation control unit 900 may use hydraulic pressure as described above, but other electric configurations may also be applied, and of course, various embodiments are possible if the above-mentioned purpose can be achieved.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true scope of technical protection of the present invention should be determined by the technical spirit of the attached patent claims.

100: frame part 110: upper frame
120: lower frame 150: guide rail
200: Door window 210: Square window frame
220: square window 300: rotating shaft
400: Guide part 410: Fitting groove
500: contact support 510: guide ball
600: Support 700: Support roller
800: Detachment means 900: Rotation control unit

Claims (5)

A frame portion including an upper frame provided with a guide rail, and a lower frame positioned spaced apart from a lower portion of the upper frame and provided with the guide rail;
a plurality of door windows, the upper part of which is connected to the upper frame and the lower part of which is connected to the lower frame, each of which is formed independently and separately;
a rotation axis portion that allows the door windows to rotate, a pair of which is coupled to an upper center portion and a lower center portion of each of the door windows, each of which is aligned in a vertical direction;
a guide part rotatably coupled to the rotating shaft, coupled to slide around one side and both sides of the guide rail, and connected to the guide rail to reciprocate and slide along the guide rail;
A guide that is rotatably inserted into a fitting groove formed on the inner surface of the guide portion facing the guide rail in a spherical shape, protrudes from a side of the guide portion, makes point contact with the guide rail, and rotates according to the movement of the guide portion. a contact support unit including a ball;
It is located between the adjacent guide parts and both ends are respectively coupled to the adjacent guide parts to connect the guide parts to each other, and the door windows are individually operated separately and the guide parts are connected to each other, so that the guide parts are connected to each other. a support portion that prevents the unit from tilting;
Attachment and detachment means provided on the door windows to detachably couple the adjacent door windows to each other;
A rotation control unit installed in the square window frame of the door window to cushion the door window when the door window is folded or unfolded to reduce shock or damage between the door windows, and is connected to the rotation shaft portion to control the rotation speed of the rotation shaft portion. Including ;,
The guide part,
It is fitted in a U-shape, surrounding the lower and outer surfaces of the guide rail,
The guide rail is,
After the guide part is fitted, the lower part where the guide part is coupled is formed to become wider toward the bottom to prevent the guide part from falling out in the vertical direction due to its weight,
The support part,
It is formed in a shape corresponding to the longitudinal cross-sectional shape of the guide part, and both ends are coupled to the side surfaces of the guide part on both adjacent sides,
It is formed in a telescopic structure to enable expansion and contraction in order to respond to changes in the distance between the guide parts as the guide part moves,
The attachment and detachment means are,
It includes a magnet so that the adjacent door windows are contacted and coupled to each other by attraction and the door windows can be separated by the user's external force. When the door windows are unfolded in a row and when the door windows overlap each other after rotation Provided on the front, rear, and sides of the door windows so that the door windows are contacted and coupled to each other in response to the folded case,
The rotation control unit,
A folding door comprising a piston that is connected to the rotating shaft using hydraulic pressure and moves according to the rotation of the rotating shaft, and a buffer cylinder that is coupled to the piston to buffer the movement of the piston.
delete delete According to claim 1,
A folding door further comprising a support roller provided in the guide portion and in contact with the guide rail to support the guide portion when the guide portion moves. delete

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