KR200410200Y1 - Apparatus of rotatable sliding door - Google Patents

Abstract

According to the present invention, there is provided a generally rectangular frame having an open bottom; A rotating door frame rotatably coupled to one inner circumferential surface of the frame and having a rail on a lower surface of the upper frame; A fixed door frame having a rail fixed to a portion of the inner circumferential surface of the frame except for a coupling portion of the revolving door frame and extending to a rail of the revolving door frame; A fixed door fixed inside the revolving door frame; First and second sliding doors which are slidably coupled to the inner side of the revolving door frame and the fixed door frame, respectively, so as to form a step from the fixed door; And a coupling protrusion coupled to a side end of the second sliding door facing the rotary door frame and having an extended end, wherein the coupling groove is inserted into the rotary door frame so that the coupling protrusion is inserted and fixed at a position corresponding to the coupling protrusion. Disclosed is a rotatable sliding door device, characterized in that it is formed.

Sliding door, rotating door, engaging groove, engaging projection

Description

Rotatable sliding door device {Apparatus of rotatable sliding door}

1a and 1b are perspective views showing an example of a typical sliding door device,

2a to 2c is a rotatable sliding door device according to an embodiment of the present invention, perspective views sequentially shown according to the operation of each sliding door,

3 is a cross-sectional view taken along line III-III of FIG. 2A;

Figure 4 is an enlarged perspective view showing a coupling state of the engaging projection and the coupling groove of Figure 2b,

5 is a cross-sectional view taken along the line VV of FIG. 2A;

6 is a cross-sectional view taken along line VI-VI of FIG. 2B;

7 is a cross-sectional view taken along the line VII-VII of FIG. 2C.

<Explanation of symbols for the main parts of the drawings>

110 Frame 120 Frame Frame

121, 131 ... rail 122 ... engagement groove

123 ... Combined Roller 130 ... Fixed Door Frame

140 ... Fisher 150 ... Sliding Door 1

160 ... 2nd sliding door 161 ... engaging protrusion

170 ... Hinge

The present invention relates to a sliding door device, and more particularly, to a rotatable sliding door device in which the overlapped state is stably maintained when the door is opened.

In general, the sliding door device means that the door can be opened and closed by sliding the door toward the rail of the door frame, not the front or rear of the door frame. These sliding doors have been developed as a multi-stage sliding door to further widen the entrance.

1 is a perspective view showing an example of such a general sliding door device. As shown, the user moves the doors 11, 12, and 13 arranged in multiple stages to be stacked on one side to enter or exit through the door to form an entrance and then move there.

By the way, the general sliding door device 10 as described above is not only a stumbling block when the user transfers a large object or furniture by the lower bar, which is the lower end of the door frame 14, and the dust accumulates on the lower bar and is difficult to clean. There was this.

In order to solve the above problems, a sliding door device 20 without a bottom bar is employed in FIG. 1B.

Referring to the drawings, the sliding door device 20 includes a door frame 24 having a lower end, that is, a lower bar, and doors 21, 22, and 23 arranged in multiple stages.

This is because the lower end of the door frame 24 is opened, the doors 21, 22, 23 are moved to be superimposed on one side and can easily move a large object or furniture to the formed space.

However, the sliding door device 20 as described above has a problem that the sliding door is not fixed when all of the doors are opened and stacked, so that the sliding door is not fixed.

The present invention was devised to solve the above-described problems, and an object thereof is to provide a rotatable sliding door device capable of stably maintaining a nested state when all the doors are stacked.

Other objects and advantages of the present invention will be described below and will be appreciated by the embodiments of the present invention. In addition, the objects and advantages of the present invention can be realized by the means and combinations indicated in the claims.

According to the present invention, there is provided a generally rectangular frame having an open bottom; A rotating door frame rotatably coupled to one side of the inner circumferential surface of the frame and having a rail on a lower surface of the upper frame; and; A fixed door fixed inside the revolving door frame; First and second sliding doors slidably coupled to the inner side of the revolving door frame and the fixed door frame, respectively, so as to form a step from the fixed door; And a coupling protrusion coupled to a side end portion of the second sliding door facing the rotary door frame and having an extended end, wherein the coupling protrusion is inserted into and fixed to a position corresponding to the coupling protrusion on the rotary door frame. Provided is a rotatable sliding door device, characterized in that the engaging groove is formed.

Here, it is preferable that a pair of coupling rollers are further provided at both sides of the coupling groove.

Moreover, the pair of coupling roller is preferably made of a stretchable material.

Also. The coupling protrusion is preferably made of an elastic material.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in this specification and claims should not be construed as being limited to their usual or dictionary meanings, and the inventors will have to properly interpret the concept of terms in order to best explain their own design. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical ideas of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

2a to 2c is a rotatable sliding door device according to an embodiment of the present invention, a perspective view sequentially shown according to the operation of each sliding door, Figure 3 is a cross-sectional view taken along the line III-III of Figure 2a, Figure 4 2B is an enlarged perspective view illustrating a coupling state of the coupling protrusion and the coupling groove of FIG. 2B, FIG. 5 is a cross-sectional view taken along the line V-V of FIG. 2A, FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. 2B, and FIG. 7 is of FIG. 2C. It is sectional drawing along the VIII-VIII line.

First, referring to FIGS. 2A to 2C, the rotatable sliding door device according to the embodiment of the present invention includes a frame 110, a revolving door frame 120 having a coupling groove 122, and a fixed door frame 130. And a second sliding door 160 having a fixed door 140, a first sliding door 150, and a coupling protrusion 161.

The frame 110 has a substantially rectangular shape having a bottom opening, and forms a mounting space of the door. The frame 110 is preferably made of aluminum, and may be manufactured using other urethane or wood.

The rotating door frame 120, as shown in Figure 2c, rotatably coupled to one side of the inner peripheral surface of the frame (110). To this end, as shown in FIG. 3, the revolving door frame 120 and the frame 110 are coupled to the hinge 170, and by the combination of the hinge 170, the revolving door frame 120 can be rotated forward or backward. have. As the hinge 170, a hinge hinge or a hydraulic hinge may be used. In FIG. 3, a hydraulic hinge for inducing smooth operation by preventing a sudden swing operation by hydraulic pressure is illustrated. In this case, the number of the hinge 170 and its coupling position may vary depending on the case. The revolving door frame 120 may also be manufactured using the same material as the frame 110.

The fixed door frame 130 is fixed to a portion of the inner circumferential surface of the frame 110 except for the coupling portion of the revolving door frame 120. The fixed door frame 130 may also be manufactured using the same material as the frame 110. In addition, the fixed door frame 130 may alternatively be integrated with the frame 110.

The fixed door 140 is fixed to the inside of the revolving door frame 120. The first and second sliding doors 150 and 160 are slidably coupled to the fixed door frame 130 and the revolving door frame 120. Here, the fixed door 140 and the sliding doors 150 and 160 are arranged to be stepped to avoid interference with each other during sliding of the sliding doors 150 and 160. On the other hand, in the present embodiment is illustrated as having two sliding doors, this is for convenience of description, the number of sliding doors may be one or three or more.

As shown in FIG. 2A, the second sliding door 160 includes a coupling protrusion 161 coupled to a side end portion facing the rotary door frame 120 and having an extended end portion. Here, the coupling protrusion 161 is preferably made of an elastic material. In addition, the rotary door frame 120, the coupling groove 122 is formed so that the coupling protrusion 161 is inserted and fixed at a position corresponding to the coupling protrusion 161. Therefore, the sliding doors located at the outermost of the sliding doors 150 and 160, that is, the second sliding door 160 are fixed to the revolving door frame 120 by the engaging protrusion inserted into the engaging groove, thereby providing the doors 140, 150 and 160. It is fixed in a superimposed state on one side and can rotate stably forward or backward.

As shown in FIG. 3, the rail 121 is provided on the upper lower surface of the revolving door frame 120, and the rail 121 of the revolving door frame 120 extends to the upper lower surface of the fixed door frame 130. The rail 131 is provided. As such, the rails 121 and 131 provided in the revolving door frame 120 and the fixed door frame 130 may allow the first and second sliding doors 150 and 160 to move without departing from the path. That is, the fixed door 140 is fixed to the rail 121 of the revolving door frame 120, and the first and second sliding doors 150 and 160 are the revolving door frame 120 and the fixed door frame 130. The rails 121 and 131 respectively fixed to the rails 120 are linearly moved. In addition, the first and second sliding doors 150 and 160 are slid inward so that they can be superimposed with the fixed door 140.

Referring to FIG. 4, when the fixed door 140 and the first and second sliding doors 150 and 160 overlap, the coupling protrusion 161 of the second sliding door 160 is the rotary door frame 120. It is inserted into the coupling groove 122 of. At this time, it is preferable that a pair of coupling rollers 123 are further provided at both side portions of the coupling groove 122. In addition, the pair of coupling roller 123 is preferably made of an elastic material. This is to facilitate operation when the coupling protrusion 161 is inserted into or detached from the coupling groove 122.

As described above, the coupling protrusion 161 and the coupling groove 122 has been described as being applied to the open state of the door. However, this is for convenience of description and may be applied to a general sliding door device, and also to fix a closed state in a closed state. This can be appropriately changed or modified by those skilled in the art to which the present invention pertains.

5 to 7, the operation of the rotatable sliding door device according to an embodiment of the present invention will be described in detail as follows.

First, the user opens the outermost sliding door, that is, the second sliding door 160 to overlap the first sliding door 150. At this time, the roller in contact with the rail 131 of the fixed door frame 130 is interlocked with the second sliding door 160, the second sliding door 160 and the first sliding door 150 overlap.

Next, the first and second sliding doors 150 and 160 are opened to overlap with the fixed door 140. At this time, when the door overlaps, if the user applies a certain amount of force, the engaging projection 161 of the second sliding door 160 is inserted into the engaging groove 122 of the rotary door frame 120.

Here, the fixed door 140 is fixed to the revolving door frame 120, the second sliding door 160 is fixed to the revolving door frame 120 by the engaging projection (161).

Next, the user rotates the rotating door frame 120 fixed with the doors 140, 150, and 160 superimposed on the hinge 170. Then, the directions of the doors 140, 150, and 160 are switched to rotate in the direction in which the revolving door frame 120 is opened. At this time, since the doors 140, 150, and 160 are fixed to the revolving door frame, flow is prevented during rotation. When the revolving door frame 120 is opened, the user may fix the movement of the door with a brake, not shown.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

According to the present invention, when all the doors are opened and stacked, the nested state can be stably maintained and the flow of the doors is prevented, so that the doors are not moved.

In addition, when the sliding doors rotate, the doors can be stably rotated while maintaining the nested state, which is more effective.

Claims (4)

An approximately square frame having an open bottom; A rotary door frame rotatably coupled to one inner circumferential surface of the frame and having a rail on a lower surface of the upper frame; A fixed door frame having a rail fixed to a portion of the inner circumferential surface of the frame except for a coupling portion of the revolving door frame and extending to a rail of the revolving door frame; A fixed door fixed inside the revolving door frame; First and second sliding doors slidably coupled to the inner side of the revolving door frame and the fixed door frame, respectively, so as to form a step from the fixed door; And A coupling protrusion coupled to a side end of the second sliding door facing the rotary door frame and having an extended end; The rotating door frame is rotatable sliding door device characterized in that the coupling groove is formed so that the coupling projection is inserted into a position corresponding to the coupling projection. The method of claim 1, Rotating sliding door device characterized in that the pair of coupling rollers are further provided on both sides of the coupling groove. The method of claim 2, The pair of coupling roller is a sliding door device, characterized in that made of an elastic material. The method of claim 1, The engaging projection is a rotatable sliding door device, characterized in that made of elastic material.

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