KR100942482B1 - Sliding door window - Google Patents

Abstract

PURPOSE: A sliding window is provided to improve blocking efficiency of dust and rainwater by making the outside of the window wide and the inside narrow. CONSTITUTION: A sliding window comprises a first ceiling part(30) and a second ceiling part(40). The first ceiling part is fixed on the upper part and the lower part of a window frame(10). The first ceiling part is extended to the inside and the outside of a door frame(21). The first ceiling part closes a space between the window frame and a door(20) of the window. The first ceiling part hides the inside of the window frame. The second ceiling part is fixed and coupled with the inside of the upper and the lower end of the door frame of the window. The second ceiling part is flexibly coupled with a rail(1).

Description

Sliding door window}

The present invention relates to a sliding window.

In detail, the present invention allows the door frame of the window frame coupled to the window frame when viewed from the outside to be concealed by the glass window to provide a more beautiful aesthetic, and implements a stepped configuration of the outer side of the window frame and the narrow inner side It relates to a sliding window to improve the blocking efficiency of rainwater and dust, and to improve the sealing composition of the window frame and the window frame to prevent the detachment of the window frame and to improve the concealment and windproof, waterproof and soundproof efficiency of the inside of the window frame. .

On the walls of buildings such as houses, windows are installed for indoor ventilation and light. Such a window is composed of a window opening with a constant width, a window frame inside the opening, and a window pair to open and close within the window frame to block and open the interior and exterior.

In particular, the window is divided into a casement, a sliding door, a built-in according to the opening and closing method of the window spear, and a window mainly used in a modern house is a sliding window is installed.

These sliding windows are provided with rails for sliding the window frame left and right at the upper and lower sides of the window frame, and slide structures corresponding to the rail are provided at the upper and lower sides of the window frame.

The conventional sliding window configured as described above has the outermost window frame 10, the door frame 21 of the window frame 20 coupled to the window frame 10, and the inside thereof when the window is observed from the outside as shown in FIG. 1. Window 22 is observed. At this time, the door frame 21 coupled to the inside of the window frame 10 is a factor that hinders the overall aesthetics of the window because the appearance is revealed as it is when viewed from the outside of the window.

In particular, the sliding window is most recently configured in the form of a double window in consideration of the windproof, waterproof, soundproof of the general building. At this time, the window frame coupled to the outer window pair and the inner window pair is exposed to the disadvantage that the inner surface is coupled to the window pair is formed in a single plane easily rain rain, dust, etc. during rainy weather or windy weather. .

In addition, the sliding window maintains a configuration in which the coupling point of the window frame and the window sill is coupled only by contacting the rail and the rail groove or the rail and the roller, and the outside wind flows into the gap between these coupling points, and rainwater as described above. Or dust and external noise is easily introduced.

Due to this problem, the interior of the window frame, i.e., the floor and the top surface, maintains aesthetically unfavorable condition, such as depositing and staining of foreign matters, and the protruding rails make it extremely difficult to clean these foreign substances.

In addition, since the sliding window is installed on the rail of the window frame when installed, a problem that frequently occurs when opening and closing the window.

The present invention is invented to solve the above problems.

Therefore, the present invention, when viewed from the outside, the door frame of the window frame coupled to the window frame is concealed by the glass window, implements a stepped configuration of the wide and the inner side of the window frame narrow, the sealing structure of the window frame and the window frame sealed By improving the appearance, it prevents the inflow of rainwater, dust, etc. from outside, and ensures that the window frame is more stably combined without being separated from the window frame, and can cover the inside of the window frame so that it is not visible. It is an object of the present invention to provide a sliding window to improve the waterproof and soundproofing efficiency.

In order to achieve the above object, the present invention has the following configuration.

The present invention relates to a sliding window in which one or more pairs of window frames are coupled to an inner side of a window frame, wherein one set of window panes arranged on the outermost side of the window frame is formed to have an area corresponding to the width of the door frame, It is coupled to the outer side so that the door frame is concealed by the glass window.

At this time, the window frame is formed with a support protrusion piece protruding from the edge of the outer surface of the door frame, the glass window is coupled and fixed to the inner side of the support protrusion piece, each concealed the support protrusion piece of the door frame on the outermost inner peripheral surface of the window frame The concealed projection piece is formed.

In addition, the window frame is configured to maintain a step shape formed so that the lower side of the window is supported on the lower side of the cross-section, the inner side is high, so that rainwater, dust and the like is blocked by the step of the step.

Particularly, the upper and lower rails of the window frame are fixedly coupled to the rail and extend to the inside and the outside of the door frame to seal the space between the window frame and the window frame, and on the inside of the window frame and the lower part of the window frame. It is configured to include a secondary sealing portion fixedly coupled and elastically coupled to the rail.

At this time, the first sealing portion is fixed to each end is fixed to both ends of the rear end of the contact with the roller of the rail, the other end is configured to have a horizontal bent portion is bent in the L-shaped each outward direction.

In addition, the primary sealing portion is fitted to cover the contact end portion with the roller of the rail in the inner center, it is configured to have a horizontal bent horizontally bent outwardly on both sides of the rail.

On the other hand, the window frame in the configuration of the multi-window window is arranged in the section of the outer window is formed of metal, the section of the inner window is arranged in a synthetic resin, the inner and outer window frame is arranged side by side.

In addition, in the configuration of the multi-window is configured by installing a blade in the section between the outer window pair and the inner window pair are arranged.

As described above, the present invention, when viewed from the outside, the door frame of the window frame coupled to the window frame is concealed by the glass window, thereby maintaining the more beautiful appearance of the conventional fixed-type windowpane, thereby contributing to the advanced interior of the building. You get

In addition, the present invention implements a stepped configuration of the outer side of the window frame is narrow and the inner side is effective to improve the user's product satisfaction by preventing the inflow of rainwater or dust during rainy weather or windy weather.

At the same time, the present invention improves hermetically sealed sealing configuration of the window frame and window frame and the corners of the window frame assembly guide to keep the window frame tightly and stably without leaving the window frame, as well as foreign matters accumulated on the inner surface of the window frame due to the primary sealing part. It can conceal the back, and by further improving the windproof, waterproof, and soundproof functions, there is an effect of further improving the quality of the product and the satisfaction of the product.

Embodiments of the present invention as described above will be described in detail with reference to the accompanying drawings.

Figure 2 is a side cross-sectional view of the sliding window according to the present invention, Figure 3 is a flat sectional view of the sliding window according to the present invention, Figure 4 is a front view of the installation state of the sliding window according to the present invention, Figure 5 is the main part of Figure 2 It is an enlarged view.

In the drawings, the window illustrates a multi-window configuration in which one or more pairs of window pairs are respectively coupled to the inside and the outside of the window frame.

Referring to the drawings, the sliding window according to the present invention is coupled to the upper and lower parts of the window frame 10 and the rail frame 1 of the window frame 10 and the window frame 10 is installed on the inner surface, the lower surface in the window frame 10 In the left and right slides are composed of a window pair 20 to open and close the space. At this time, the window 20 is configured in the form of a pair of sliding doors disposed in the front, rear in the inside of the window frame 10. In particular, the window frame 20 is configured to include a roller (2) is mounted on the upper portion of the lower side of the rail (1) of the window frame 10 so that the window frame 20 can be moved smoothly.

In the configuration of the sliding window configured as described above, the window frame 20 coupled to the outermost side of the window frame 10 is configured such that the door frame 21 is concealed by the glass window 22 as shown in FIG. 4.

To this end, the window frame 20 (one pair of two pairs of window pairs) disposed on the outermost side of the window frame 10 is composed of a glass window 22 coupled to an outer surface of the door frame 21. Here, the glass window 22 is formed to a width corresponding to the width of the door frame 21 is configured to cover the door frame 21.

In addition, the glass window 22 is accompanied by a configuration for stably coupled to the door frame (21).

Referring to Figure 5, the coupling configuration of the glass window 22 is fixed to the support projection piece 23 protruding from the outer edge of the door frame 21 and the glass window 22 is fitted inside the support projection piece 23 is fixed. Combined. At this time, in order to maintain a firmly coupled state of the glass window 22, each coupling point of the support protrusion piece 23 and the glass window 22 is closed by a coupling gap made of rubber or soft synthetic resin, in particular silicon, etc. It is composed.

In particular, in order to conceal the support projection piece 23 of the door frame 21 in the above configuration, the concealed projection piece 11 protruding inward is formed on the outermost inner circumferential surface of the window frame 10 is formed. Such a concealed projection piece 11 is a configuration such that the function of the support structure for the combination of the screen, the screen 3, the crime prevention window and the like as shown in the drawing.

The window frame 10 has a stepped configuration of the lower window frame cross section as shown in FIG. 2 to block inflow of rainwater, dust, etc. introduced from the outside during rainy or windy weather.

Such a stepped configuration is a configuration in which the lower side where the window frame 20 is mounted and supported is kept in a step shape formed so that the outside is low and the inside is high, and the inflow of rainwater and dust described above may be blocked by the stepped step. Will be.

In addition, in order to supplement the configuration in which the size of the window frame 20 is different due to the stepped configuration in the stepped configuration as described above, the upper inner circumferential surface of the window frame 10 also forms a stepped configuration corresponding to the lower stepped configuration. It is configured to be able to produce a window size 20 of a unified size.

Sliding window as described above is composed of a primary, secondary sealing unit 30, 40 to prevent the inflow of wind, foreign matters, etc. as a combined space of the window frame 10 and the window pair 20.

As shown in FIG. 5, the primary sealing part 30 is fixedly coupled to both sides of the upper and lower rails 1 of the window frame 10 and extends to the inside and the outside of the door frame 21. That is, each end is fixedly coupled to both sides of the contact end portion of the rail 1 with the roller 2, and the other end is symmetrically bent to the outside in an L shape so that the horizontal bent portion 31 of the door frame 21 is closed. The upper and lower surfaces can be covered. In order to couple the primary sealing portion 30 to the rail 1, a coupling protrusion 31a is formed at one end of the primary sealing portion, and the coupling protrusion portion is formed at the roller contact end portion 1a of the rail 1. It is possible to form the engaging groove 1b to prevent the 31a from being inserted and detached, and to press or slide the engaging projection 31a into the engaging groove 1b.

At this time, the primary sealing portion 30 is formed of a rubber or soft synthetic resin to maintain its original shape is configured in the form of a gasket sealing the space between the window frame 10 and the window pair 20.

In addition, the ones formed at the lower side of the window frame 10 and fixed to the rails 1 of the primary sealing part 30 may be struck downward because the horizontal bent part 31 may be lowered after a long time. It is preferable to further constitute a vertical support piece 32 formed integrally under the end side of the horizontal bent portion 31 by means so as to be supported by the window frame.

Since the configuration of the primary sealing part 30 as described above is installed in the form of supporting the upper and lower surfaces of the door frame 21, the door frame 21 is prevented from being separated from the rail 1, and external dust , Foreign matters are first blocked to flow into the gap between the rail (1) and the door frame (21). In addition, since it is fixed on the rail, the upper and lower door frames, that is, the upper and lower surfaces of the window cover, conceal the bottom of the window so that they do not show deposition or foreign matters. In conjunction with 40), it is possible to prevent the inflow of wind, dust and rainwater from the outside to the room.

The secondary sealing portion 40 is fixedly coupled to the inside of the lower end on the door frame 21 of the window frame 20 is configured to elastically contact with the rail (1). As a preferred embodiment, the drawing is in contact with the outer surface of the primary sealing portion 30.

At this time, the secondary sealing portion 40 is formed of rubber or soft synthetic resin to more tightly seal the space between the window frame 10 and the window pair 20 with the configuration of the primary sealing portion 30 Configuration. That is, even if dust or the like flows from the primary sealing unit 30, the configuration is made to block again.

When the window frame 10 is composed of multiple windows, the window frames 10 and 100 may be dualized as shown in FIG. 6. Such a dual configuration is formed of aluminum metal in the section in which the outer window 20 is disposed, and the section in which the inner window 200 is disposed in a synthetic resin, and formed in a combined form to form an inner and outer window frame ( 10, 100) can be arranged side by side.

This dual configuration is proposed to reduce the material cost according to the selection of the material and to convey a softer and warmer feeling to the tenant when the window is observed from the inside.

In the drawing, reference numeral 50 denotes a general blind apparatus, which is installed in a section between the outer window pair 20 and the inner window pair 200 in the configuration of the multi-window of the present invention, and may block light or vision to the outside. .

On the other hand, in the present invention can be configured more stably the configuration of the primary sealing unit 30.

7 is an exemplary view showing another embodiment of a window in which the primary sealing part is interposed, and FIGS. 8 and 9 are enlarged views of main parts.

As shown in the drawing, the primary sealing portion 30 has a ┻ or ┳ shape in cross section, and is cut into the central protrusion 34 formed in the middle from a horizontal wing portion 33 to form a rail coupling groove 35. And fitted to the end of the rail (1).

That is, the primary sealing portion 30 is fitted to cover the roller contact end portion (1a) of the rail (1) using the rail coupling groove 35 of the central protrusion (34), horizontally outward from both sides of the rail It has a wing part 33.

Accordingly, the horizontal wing 31 can cover the upper and lower surfaces of the door frame 21, and also conceal the upper and lower surfaces of the window frame 20.

In addition, as the roller 2 is rolled on the upper surface of the portion to be fitted to the end of the rail 1, the friction noise of the existing metal and metal can be eliminated, and the roller is rolled on the upper surface of the primary sealing part made of synthetic resin. Noise can be significantly reduced when opening and closing windows.

The vertical extension part 36 may be further configured on the horizontal wing part 33 opposite to the central protrusion part 34. In this case, the vertical extension part 36 may have a fitting protrusion 37 formed on a side surface thereof, and in the case of a multi-window, the connection gap between the primary sealing parts may be prevented by connecting the connection member 38 with the exposed gaps between the first sealing parts. . At this time, the connecting member 35 has a plate shape and is formed by forming a coupling groove 38a to which the fitting protrusion 37 is coupled on both ends. This will increase the windproof, soundproofing effect.

The present invention provides various embodiments for preventing the window from being separated from the window frame.

10 to 16 are exemplary views provided with a door departure prevention means of the present invention.

In the configuration of the present embodiments, the coupling structure of the window frame and the window sill is the same as in the previous embodiment.

However, the present embodiments are configured to facilitate the installation work of the window, it is prevented from being separated from the window frame after the installation work.

As shown in FIG. 10, the window frame 20 is opened and closed while moving along the upper and lower rails 1 provided on the window frame 10 using the roller 2 provided at the lower portion.

The upper end and the lower end of the window pair 20 is provided with a primary sealing member 30 of one side is inserted and fixed to the window pair 20 side while the other side is extended long downward toward the outside, foreign matter from the outside , The first block the wind, etc.

In addition, the upper and lower ends of the window frame 20 are provided with a pair of door departure prevention guides 60 facing each other with the rails 1 interposed therebetween, and the door departure prevention guides 60 at this time consist of two rows. By using the dual type wing 60a, both sides of the rail 1 are in contact with each other.

The door departure prevention guide 60 also serves as a sealing and particularly to prevent the door departure, for example, by using a dual-type wing portion (60a) is pressed on both sides of the rail (1), the predetermined support Since the rigidity is exerted, the entire window 22 including the window 20 is prevented from being separated from the window frame 10. To this end, the ends of the rails formed on the upper and lower door frames 21 are formed to have the stepping stones 1c in the width direction so as not to fall out when the door departure prevention guide is fitted.

As shown in Figure 11, here shows another example of the door departure prevention guide 60, which serves to prevent the door departure.

That is, a pair of door departure prevention guides 60 facing each other with the rails 1 interposed therebetween are installed at the upper end and the lower end of the window frame 20, and the door departure prevention guide 60 at this time is a single row composed of one row. Using the type | mold wing part 60b, it becomes the form which contact | connects both side surfaces of the rail 1.

Therefore, by using the single wing portion (60b) at this time is pressed to both sides of the rail 1 to exhibit a predetermined support rigidity, the entire window 22 including the window frame 20 is the window frame 10 Deviation from can be prevented.

As shown in Figure 12, here shows an example of the door departure prevention guide 60 of the type integrally coupled to the window frame 20.

For example, at the lower end of the window frame 20, a block-shaped door separation prevention guide 60 is integrally mounted to the corner portions of both sides in a fastening structure.

At this time, the door separation prevention guide 60 is provided with a slot 60c for accommodating a part of the end portion of the rail 1 and can be coupled to the rail 1 side through a slideable structure. A lower jaw portion (60d) facing each other is formed at the lower open portion of the 60c can be prevented from falling off from the rail (1) side.

Of course, it is natural that a worker pulls out when the window is dismantled.

The coupling structure of the block-shaped door departure prevention guide 60 will be described in detail later.

As a result, the guide 60 for block detachment prevention of the block shape, which is integrally mounted to the window frame 20, is fitted to the rail 50 of the window frame 10, so that the window 22 and the window frame 20 as a whole. Deviation can be prevented.

And, here it provides a sound-closing gasket 70 to block the periphery of the rail invisible from the outside.

The sound-closing gasket 70 is installed in such a way as to completely cover the rail 1 while closing the lower and upper ends of the window spear 20, thereby covering the gap between the window spear 20 and the rail 1, thereby The accumulation of dust, etc. in the surrounding area is blocked and the inside becomes invisible.

Here, the negatively sealed gasket 70 installed on the upper portion is preferably a soft rubber material, and the negatively sealed gasket 70 installed on the lower portion is preferably a polyamide material.

As shown in FIG. 13, here, an example of a brush-shaped door departure prevention guide 60 which also performs a sealing role and also performs a departure prevention role is shown.

For example, as long as the upper and lower ends of the window pair 20 face each other with the rails 1 interposed therebetween while being guided by the guide body part 60e, which is fitted and assembled inward, the guide body part 60e is supported. The door detachment prevention guide 60 which consists of a pair of brush parts 60f is provided.

Accordingly, the door detachment prevention guide 60 serves as a sealing and exerts a predetermined support rigidity while being pressed to both sides of the rail 1 by using the brush part 60f, thereby providing a window pane 20. (22) It prevents the whole from leaving the window frame 10.

As shown in FIG. 14, the examples in FIG. 12 show an example of the block departure prevention guide 60, and its shape, mounting structure, and function are the same as those of FIG. 12.

As shown in Figure 15 and Figure 16, here shows the shape and installation state of the door separation prevention guide 60 made of a block form.

The door departure prevention guide 60 is formed in the shape of a square block as a whole, the front side is provided with a "b" shaped door seat seating surface (60g) of the part that is supported by being inserted into the inside of the door 21, the rear It is provided with a slot 60c extending upwardly from the lower end that is open for fitting the rail (1).

In addition, a lower jaw portion 60d facing each other is formed at the lower end opening portion of the slot 60c to prevent falling out from the rail 10 side.

The door detachment prevention guide 60 is located at the corner where the door horizontal member and the door vertical member meet, and are interposed inside the corner when the door 21 is assembled, and the door is opened through two screw fastenings ( 21) integrally.

Accordingly, when one completed sliding window is installed, when the slot 60c of the door separation prevention guide 60 interposed on both sides of the lower end of the window frame 20 is inserted into the rail 1 of the window frame 10, the sliding door The window may be stably placed on the rail 1 through the door departure prevention guide 60, and thus, the window may be prevented from being separated from the window frame 10.

1 is a front view of an installation state of a conventional sliding window

2 is a side cross-sectional view of a sliding window according to the present invention

3 is a flat cross-sectional view of the sliding window according to the present invention

Figure 4 is a front view of the installation state of the sliding window according to the present invention

5 is an enlarged view illustrating main parts of FIG. 2;

Figure 6 is a side cross-sectional view showing another embodiment of a sliding window according to the present invention

7 is an exemplary view showing another embodiment of a window in which the primary sealing part of the present invention is interposed.

8 and 9 are enlarged views of main parts of FIG. 7;

Figure 10 is a side cross-sectional view showing an embodiment of the door departure prevention guide of the sliding window according to the present invention.

Figure 11 is a side cross-sectional view showing another embodiment of the door departure prevention guide of the sliding window according to the present invention.

12 is a side cross-sectional view showing another embodiment of the guide for preventing the door departure of the sliding window according to the present invention.

Figure 13 is an enlarged view of the main portion showing another embodiment of the guide for preventing the door departure of the sliding window according to the present invention

14 is a side cross-sectional view showing another embodiment of the guide for preventing the door departure of the sliding window according to the present invention.

FIG. 15 is a perspective view illustrating a door departure prevention guide of FIG. 14; FIG.

16 is a front view showing a state before and after assembly of the door departure prevention guide of FIG.

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

10: Window Frame 11: Concealed Projection

20: window frame 21: door frame

22: glass window 23: support protrusion

30: 1st sealing part 40: 2nd sealing part

50: blind 60: guide for preventing door departure

70: bleeding gasket

Claims (10)

delete delete One or more pairs of window pairs 20 guided on the rail 1 inside the window frame 10 are coupled, and one set of window pairs 20 arranged on the outermost side of the window frame 10 is a glass window. In the sliding window (22) is formed to the width corresponding to the width of the door frame 21 and coupled to the outer surface of the door frame 21, the door frame 21 is concealed by the window 22, The window frame 10 is configured to maintain a step shape formed so that the lower side of the window frame 20 is supported on the lower side in the cross-section, the inner side is high, so that rainwater, dust, etc. are configured to be blocked by the step of the stairs. Sliding windows. One or more pairs of window pairs 20 guided on the rail 1 inside the window frame 10 are coupled, and one set of window pairs 20 arranged on the outermost side of the window frame 10 is a glass window. In the sliding window (22) is formed to the width corresponding to the width of the door frame 21 and coupled to the outer surface of the door frame 21, the door frame 21 is concealed by the window 22, The upper and lower rails 1 of the window frame 10 are fixedly coupled to the rails 1 and extend to the inside and the outside of the door frame 21 to seal the space between the window frame 10 and the window frame 20 or The primary sealing part 30 to conceal the inner surface of the window frame, and the secondary sealing part 40 fixedly coupled to the inner side of the lower end on the door frame 21 of the window frame 20 and elastically contacted with the rail 1. Sliding window comprising a. The method of claim 4, wherein The first sealing portion 30 is fixedly coupled to one end at both sides of the rear end of the contact end with the roller of the rail 1, the other end is bent in each of the outward direction in the L-shape to form a horizontal bent portion 31 Sliding window characterized by having. The method of claim 4, wherein The primary sealing portion 30 is fitted to cover the contact end portion with the roller of the rail (1) to the inner center, and to be horizontally bent outwardly on both sides of the rail to have a horizontal bent portion (31) Sliding window, characterized in that. One or more pairs of window pairs 20 guided on the rail 1 inside the window frame 10 are coupled, and one set of window pairs 20 arranged on the outermost side of the window frame 10 is a glass window. In the sliding window (22) is formed to the width corresponding to the width of the door frame 21 and coupled to the outer surface of the door frame 21, the door frame 21 is concealed by the window 22, The window frame 10 Sliding window, characterized in that the blade is installed in the section between the outer window 20 and the inner window 20 is arranged in the configuration of a multi-window. One or more pairs of window pairs 20 guided on the rail 1 inside the window frame 10 are coupled, and one set of window pairs 20 arranged on the outermost side of the window frame 10 is a glass window. In the sliding window (22) is formed to the width corresponding to the width of the door frame 21 and coupled to the outer surface of the door frame 21, the door frame 21 is concealed by the window 22, The upper and lower rail ends of the window frame are formed with protrusions 1c protruding in the width direction, and the window pairs 20 are arranged in a form facing each other with the rails 1 interposed therebetween at the upper end and the lower end. Including a door departure prevention guide 60 made of a, the door departure prevention guide 60 is formed by using a dual type wing portion 60a or a single type wing portion 60b in contact with both sides of the rail (1) Sliding window, characterized in that to prevent the departure. One or more pairs of window pairs 20 guided on the rail 1 inside the window frame 10 are coupled, and one set of window pairs 20 arranged on the outermost side of the window frame 10 is a glass window. In the sliding window (22) is formed to the width corresponding to the width of the door frame 21 and coupled to the outer surface of the door frame 21, the door frame 21 is concealed by the window 22, The upper and lower rail end portions of the window frame are formed with protrusions 1c protruding in the width direction, and the window sills 20 are block-shaped guides for preventing the door departure from being mounted at two corner portions of both lower ends thereof. It includes, the door separation prevention guide 60 is a rail using a slot (60c) that can accommodate a portion of the end of the rail (1) and the jaw portion (60d) formed in the lower opening of the slot (60c) (1) The sliding window, characterized in that it is possible to prevent the detachment of the window frame while being bound in the slideable structure on the side. One or more pairs of window pairs 20 guided on the rail 1 inside the window frame 10 are coupled, and one set of window pairs 20 arranged on the outermost side of the window frame 10 is a glass window. In the sliding window (22) is formed to the width corresponding to the width of the door frame 21 and coupled to the outer surface of the door frame 21, the door frame 21 is concealed by the window 22, The upper and lower rail ends of the window frame are formed with a protrusion 1c protruding in the width direction, and the window frame 20 has a guide body part 60e assembled by being fitted inwardly from the upper end and the lower end thereof, and the guide body part. And a door detachment prevention guide 60 composed of a pair of brush portions 60f facing each other with the rail 1 interposed therebetween while being supported by 60e, and the leaf detachment prevention guide 60 includes a brush Sliding window, characterized in that by using the portion (60f) is pressed on both sides of the rail (1) to prevent the separation of the window frame.

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