KR102628996B1 - Sliding window system with partially embedded windshield device - Google Patents

Abstract

The first window frame 300 and the second window frame 400 are left and right along the first rail 226A and the second rail 226B of the first horizontal rail frame 220A and the second horizontal rail frame 220B. slides to close one side and the other side of the opening formed in the window frame 200 at a position that contacts the second vertical rail frame 220D and the first vertical rail frame 220C, respectively, and the first side of the first window frame 300 is closed. 1 The side frame 330 includes an outer side plate portion 334 and an inner side plate portion 332, and a window with a crescent component 900 fixedly installed at a mid-height of the outer side plate portion 334 is disclosed. The disclosed window has a U-shaped cutout portion 334A formed at the top and bottom of the outer side plate portion 334, and is installed at the lower and upper portions of the outer side plate portion 334 to form the first horizontal rail frame 220A. and a windproof module 1100 that closes the gap between the second horizontal rail frame 220B and the first window frame 300 and the second window frame 400, and the windproof module 1100. It further includes a windbreak device (1) having a detachably coupled protective cap (1200), and the windbreak module (1100) includes a main body (1120) fixed to the outer side plate portion (334) with a screw (6). ) and is coupled to the main body 1120, between the facing surfaces of the first rail (226A) and the second rail (226B) and the first rail (226A) and the second rail (226B). It includes a windbreak brush 1140 in contact with the bottom surface of the groove and the bottom surface of the second window frame 400, and the main body 1120 includes an upper plate 1121 and extending downward from the bottom of the upper plate 1121. It is spaced apart from the leg plate 1122 to form a rail insertion groove 1123 between the leg plate 1122 and has a thickness greater than the thickness of the upper plate 1121 and the leg plate 1122. It includes an L-shaped protruding block 1124, wherein the L-shaped protruding block 1124 has a first vertical side and a second protruding block that is parallel to the first vertical side and extends longer than the first vertical side. A vertical portion 1124A including a vertical side, an upper horizontal plane intersecting the first vertical side at a right angle, a connection surface perpendicular to the upper horizontal plane, and a lower horizontal plane starting from the connection surface and extending parallel to the upper horizontal plane. It includes a horizontal portion (1124B), wherein the vertical portion (1124A) is inserted and buried into the U-shaped cutout (334A), and the windbreak brush portion (1140) is located on the upper horizontal surface of the L-shaped protruding block (1124). It is installed on the connection surface, the lower horizontal surface, and the second vertical side, so that the brush bristles are connected to the facing surfaces of the first rail 226A and the second rail 226B, and the first rail 226A and the second rail ( 226B) and contacts the surface of the second window frame 400 with the bottom surface of the groove.

Description

Sliding window system with partially embedded windshield device}

The present invention relates to a non-closed window, and relates to a non-closed window with a built-in windbreak device in which a windbreak device of a simple and compact structure is partially embedded in the window frame, and the gap between the window frames is reliably blocked. .

Various types of non-glazed windows are being applied to buildings. A sliding window includes a window frame and two or more windows, and is configured to open and close the opening formed in the window frame by moving the two or more windows to the left and right along the window frame. Due to the structure of a sliding window in which two or more windows are slid from side to side within the window frame, gaps inevitably appear between the window frame and the windows, and these gaps become passages through which draft air flows in, reducing indoor cooling and heating efficiency. do. Accordingly, various windbreak devices have been proposed to block the gap between the window and the window frame.

As an example of a windbreak device, Korean Patent No. 10-1307894, 'Windbreak member for windows and windows equipped with same', has weather strips called mohair that are horizontal to one side of the vertical moving body of the vertical moving means. It is coupled to each circumference of the horizontal moving body of the means of transportation. Another example of a windbreak device is Korean Patent No. 10-1928737, 'Window Frame Windbreak Device', in which first and second windbreak materials having a plurality of elastic hairs are attached to each of the block body and block arm. It is combined.

The conventional windbreak device as described above is mounted on a window frame and is configured to block the gap between the window frame and the window frame to prevent the inflow of drafts. However, due to the structure in which the weather strips are divided and combined, a disconnected section was inevitably formed between the weather strips. Since the disconnected section between the weather strips is connected to the gap to form an air passage, there is a problem that the draft blocking function is deteriorated. In addition, the divided structure of the weather strips makes assembly complicated, resulting in lower productivity and higher unit costs. Therefore, there is a need for a windbreak device that can tightly block the gap between the window frame and the window frame with a simple structure.

Additionally, in the past, a windbreak device was installed at the lower part of the outer surface of the window frame, but this had a poor appearance and inevitably had a gap in the lower part of the window frame that was not covered by the windbreak device, which lowered its efficiency. A window with a windbreak device installed inside the frame of the window frame to block the gap between the lower part of the window frame and the window frame was considered, but many problems existed, such as the windbreak device making it difficult to insert the window frame into the window frame.

Additionally, in the past, safety accidents such as fingers getting caught between window frames frequently occurred.

Publication number 20-2021-0001860 (publication date August 19, 2021)

The problem to be solved by the present invention is to provide a windproof window with a built-in windbreak device in which a windbreak device of a simple and compact structure is partially embedded in the window frame, and the gap between the window frames is reliably blocked.

According to the present invention, the first window frame 300 and the second window frame 400 are connected to the first rail 226A and the second rail of the first horizontal rail frame 220A and the second horizontal rail frame 220B ( It slides left and right along 226B) to close one side and the other side of the opening formed in the window frame 200 at a position in contact with the second vertical rail frame 220D and the first vertical rail frame 220C, respectively, and the first window frame The first side frame 330 of (300) includes an outer side plate portion 334 and an inner side plate portion 332, and a crescent part 900 is fixedly installed at the middle height of the outer side plate portion 334. is provided, and the window has a U-shaped cutout portion 334A formed at the top and bottom of the outer side plate portion 334, and is installed at the lower and upper portions of the outer side plate portion 334 to form the first horizontal rail frame. (220A) and a windproof module 1100 that closes the gap between the second horizontal rail frame 220B and the first window frame 300 and the second window frame 400, and the windproof module ( It further includes a windbreak device (1) having a protection cap (1200) that is detachably coupled to 1100, and the windbreak module (1100) is fixed to the outer side plate portion (334) by screws (6). A main body 1120, coupled to the main body 1120, faces of the first rail 226A and the second rail 226B, and the first rail 226A and the second rail 226B. ) includes a windbreak brush 1140 in contact with the bottom surface of the groove between and the bottom surface of the second window frame 400, and the main body 1120 is located below the upper plate 1121 and the lower end of the upper plate 1121. It is spaced apart from the leg plate 1122 to form a rail insertion groove 1123 between the leg plate 1122 and the leg plate 1122 extending to the thickness of the upper plate 1121 and the leg plate 1122. It includes an L-shaped protruding block 1124 formed with a greater thickness, wherein the L-shaped protruding block 1124 is parallel to the first vertical side and extends longer than the first vertical side. A vertical portion 1124A including a second vertical side, an upper horizontal plane intersecting the first vertical side at a right angle, a connection surface perpendicular to the upper horizontal plane, and a connection surface starting from the connection surface and extending parallel to the upper horizontal plane. It includes a horizontal portion (1124B) including a lower horizontal surface, the vertical portion (1124A) is inserted and buried into the U-shaped cutout (334A), and the windbreak brush portion (1140) is formed by the L-shaped protruding block (1124). is installed on the upper horizontal surface, the connection surface, the lower horizontal surface, and the second vertical side of the brush bristles on the opposing surfaces of the first rail 226A and the second rail 226B, and the first rail 226A and the second vertical side. The bottom surface of the groove between the two rails 226B is in contact with the surface of the second window frame 400.

The main body 1120 includes an attachment surface on which the L-shaped protruding block 1124 protrudes and an exposed surface on the opposite side, and the protective cap 1200 is a C-shaped shape that allows passage of the first rail 226A. A plate-shaped lower part 1210 in which a rail passing groove 1211 is formed, and an upper part formed integrally with the upper part of the lower part 1210 and a protruding curved part 1221 that protrudes in a direction away from the external side part 334. (1220) and a viscoelastic protruding member 1240 that is inserted and coupled to a hole formed at the most protruding vertex of the protruding curved portion 1121 and protrudes farther from the outer side portion 334, wherein the first window When the frame 300 is slid in a direction opposite to the closing direction, the first side frame 330 provided on the first window frame 300 is moved adjacent to the first vertical rail frame 220C, The viscoelastic protruding member 1240 contacts the first rail 226A of the first rail vertical frame 220C before the crescent component 900.

In addition, when conventional windows were applied to coastal areas or as criss-cross windows, there were problems with shaking of the window frame, separation of the window frame, and damage to the window glass.

According to the present invention, a part of the windbreak device including a compact structure is installed partially embedded in the window frame, reliably blocking various gaps between the window frame and the window frame, and reliably blocking the inflow of drafts and fine dust into the room. do. Additionally, the present invention can be advantageously used for cleaning inside window frames. In addition, the present invention uses a windbreak device to prevent accidents where fingers are caught between one side of the window frame and one side of the window frame, and furthermore, prevents collisions between the crescent parts and the vertical rail frame, thereby preventing the crescent from colliding. Damage, breakage or failure of parts can be prevented.

In particular, the present invention provides the effect of a windbreak device partially embedded in a window frame to prevent the window frame from shaking, window frame separation, and window glass from being damaged due to strong winds (e.g., typhoons), and various disasters resulting from this. Provides more. In addition, the present invention has the effect of preventing the window frame from being shaken by the wind, the window frame being detached, and the window glass being damaged, so it can be advantageously used for criss-cross windows and coastal area windows.

Other advantages and effects of the present invention will be apparent from the description of the examples below.

Figure 1 is an overall perspective view showing a windbreak device partially embedded non-closed window according to an embodiment of the present invention;
Figures 2 and 3 show that the first window frame is moved in the opposite direction in the windbreak device partially embedded type non-closed window according to an embodiment of the present invention. These are perspective views showing how the protective cap provided on the windbreak device performs the function of preventing hand pinching and protecting the crescent parts.
Figure 3 is a perspective view showing a state in which the windbreak device according to an embodiment of the present invention is installed on the side frame of the window frame and moves on the rail;
Figure 4 is a perspective view showing a state in which a windbreak device according to an embodiment of the present invention is installed on a non-closed window,
Figure 5 is a view showing the windbreak device shown in Figure 4 disassembled on a non-closed window;
Figures 6 to 8 are perspective views for specifically explaining a windbreak device according to an embodiment of the present invention.

Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice the present invention. The invention may be implemented in many different forms and is not limited to the embodiments described herein.

In explaining the present invention, the size or shape of components shown in the drawings may be exaggerated or simplified for clarity and convenience of explanation.

Additionally, terms specifically defined in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or operator. These terms should be interpreted as meanings and concepts consistent with the technical idea of the present invention based on the content throughout this specification.

In order to clearly explain the present invention, descriptions of parts unrelated to the technical idea of the present invention have been omitted, and identical or similar components are assigned the same reference numerals throughout the specification.

Additionally, in various embodiments, components having the same configuration will be described using the same symbols only in the representative embodiment, and in other embodiments, only components that are different from the representative embodiment will be described.

Throughout the specification, when a part is said to be “connected” to another part, this includes not only “directly connected” but also “indirectly connected” through another member. Additionally, when a part "includes" a certain component, this may mean that it further includes other components rather than excluding other components, unless specifically stated to the contrary.

As shown in FIGS. 1 to 8, the unwrapped window according to an embodiment of the present invention includes a partially shown window frame 200 and first and second sliding elements installed on the window frame 200. It includes window frames (300, 400) and a partially embedded windbreak device (1) installed on the first window frame (300).

The window frame 200 includes first and second horizontal rail frames 220A and 220B on the upper and lower sides and first and second vertical rail frames 220A and 220D on the left and right sides. Each of the rail frames 220A, 220B, 220C, and 220D includes first and second outer walls 224A and 224B, and first and second outer walls 224A and 224B formed in parallel between the first and second outer walls 224A and 224B. Includes 2 rails (226A, 226B). While the first and second rails 226A, 226B provided in the horizontal rail frames 220A, 220B function as actual rails to guide the sliding of the window frame, the first rails provided in the vertical rail frames 220C, 220D The first and second rails 226A and 226B do not function as rails and are perpendicular to the first and second rails 256A and 256B provided on the horizontal rail frames 220A and 220B, respectively, on the same plane. This??, grooves are formed in the upper and lower parts of the window frames (300, 400) into which the first and second rails (226A, 226B) provided in the horizontal rail frames (220A, 220B) are slidably inserted, and the windows A groove is formed on the side of the frame into which the first and second rails 226A and 226B provided in the vertical rail frames 220C and 220D are inserted.

In this embodiment, the first outer wall 224A is located close to the indoor area and the second outer wall 224B is located close to the outdoor area. Additionally, the first rail 226A is located closer to the room than the second rail 226B. Between the first rail 226A and the first outer wall 224A, between the first rail 226A and the second rail 226B, and between the upper second rail 226B and the second outer wall 224B. A groove is formed in each.

The first window frame 300 is installed to slide left and right along the first rail 226A of the horizontal rail frames 220A and 220B to open and close one side of the opening formed in the window frame 200. In this embodiment, the first window frame 300 closes the right side of the opening of the window frame 200 at a position in contact with the second vertical rail frame 220D.

The second window frame 400 is installed to slide left and right along the second rail 226B of the horizontal rail frames 220A and 220B to open and close one side of the opening formed in the window frame 200. In this embodiment, the second window frame 400 closes the left side of the opening of the window frame 200 at a position in contact with the first vertical rail frame 220C.

The first and second window frames (300, 400) can be slid left and right along the first and second rails (226A, 226B) of the horizontal rail frames (220A, 220B) to make a rolling motion. It may have a mounted roller or pulley (not shown).

The first and second window frames (300, 400) include upper frames (310, 410) and lower frames (320, 420) and first side frames (330, 430) and second side frames (340) perpendicular to them. , 440) are combined to form a picture frame structure capable of supporting the window glass (W). At this time, the first side frames (330, 430) are defined as side frames that overlap side by side front and back when the window is closed, and the second side frames (340, 440) are located on the opposite side of the first side frames (330, 440). It is defined as a side frame that is in contact with the first or second vertical rail frame (220C or 220D) of the window frame when the window is closed. On the other hand, the first and second window frames 300 and 400 have first and second rails ( A U-shaped cross-section rail groove into which 226A, 226B) is inserted is formed.

The first side frame 330 of the first window frame 300 has a front plate 331 and a rear plate 332 that are parallel to each other, and a right angle to the front plate 321 and the rear plate 332, respectively. It includes intersecting inner side plates 333 and outer side plates 334. Here, the inner side plate portion 333 is a portion adjacent to the glass window, and the outer side plate portion 334 is a portion located relatively far from the glass window. The second side frame of the first window frame 300 also includes a front plate, a rear plate, an inner side plate, and an outer side plate that intersect each of them.

In the first window frame 300, the outer side plate portion 334 and the inner side plate portion 332 of the first side frame 330 are provided on the lower and upper horizontal rail frames 220A and 220B. It includes a U-shaped cutout formed to allow passage of the first and second rails 226A and 226B. The U-shaped cutouts formed at the top and bottom of the inner side plate portion 332 may have the same cross-sectional size as the above-described U-shaped rail groove or may have a larger cross-sectional size. The U-shaped cutout portion 334A formed at the top and bottom of the outer side plate portion 334 allows insertion of the protruding block 1110 so that a portion of the protruding block 1110 of the windbreak device 1, which will be described in detail below, can be inserted. It is formed to an acceptable size.

In addition, a crescent part 900 is fixedly installed at the mid-height of the outer side plate portion 334 to rotate and hang on a locking portion (not shown) mounted on the first side frame of the second window frame 400. In a state where the first window frame 300 and the second window frame 400 are closed, that is, the first side frame 330 of the first window frame 300 and the second side frame 400 of the second window frame 400 When the side frames 430 overlap each other, the crescent part 900 cooperates with the paired crescent part to lock the first window frame 300 and the second window frame 400 with the window closed. . When the window is closed, the second side frame 340 of the first window frame 300 is positioned adjacent to the second vertical rail frame 220D.

When the groove between the first rail 226A and the first side wall 224A needs to be cleaned using the windbreak device 1 provided on the first window frame 300 or in another way, the first window frame 300 must be cleaned. By sliding (300) in the direction opposite to the closing direction, the first side frame 330 provided on the first window frame 300 can be moved adjacent to the first vertical rail frame 220C, such as During the sliding movement of the first window frame 300, a person's finger is caught between the first side frame 330 and the first vertical rail frame 220C, or the crescent part 900 is inserted into the first vertical rail frame ( There is a risk of damage due to collision at 220C).

The partially embedded windbreak device (1), which will be described in detail below, blocks the gap that occurs between the first and second horizontal rail frames (220A, 220B) and the first and second window frames (300, 400) to be included in the wind or wind. Not only does it have the main function of preventing the inflow of dust or yellow dust, but also has the function of cleaning dust on the surfaces of the rails 226A and 226B and the grooves while moving on the rails 226A and 226B, and as described above, Safety that prevents damage by a person's finger being caught between the first side frame 330 of the window frame and the first vertical rail frame 220C or the crescent part 900 colliding with the first vertical rail frame 220C. and is configured to provide additional protection functions.

The partially embedded windbreak device 1 is installed on the lower and upper sides of the outer side plate portion 334 of the first side frame 330 of the first window frame 300, and includes a windbreak module 1100 and the windbreak. It includes a protective cap 1200 that is detachably coupled to the module 1100.

The windproof module 1100 is coupled to the outer side plate 334 by screws 6, and includes a main body 1120 fixed to the outer side plate 334 of the first side frame 330, and It is coupled to the main body 1120 and includes rails 226A and 226B, that is, surfaces facing each other of the first rail 226A and the second rail 226B, and the first rail 226A and the second rail 226B. It includes a windbreak brush 1140 installed on the main body 1120 so as to contact the bottom surface of the groove and the bottom surface of the second window frame 400. Although not shown in detail, the windbreak brush 1140 may be made of a flexible band and a plurality of brush bristles formed on the flexible band, and the flexible band is formed on the main body 1120 and is open toward the top, one side, and the rear. By being inserted into the insertion fixing groove, the windbreak brush 1140 may be coupled to the main body 1120.

The main body 1120 has a substantially rectangular upper plate 1121 and a leg plate 1122 extending downward from the bottom of the upper plate 1121, and a rail insertion groove 1123 is formed between the leg plate 1122. It is spaced apart from the leg plate portion 1122 and includes an L-shaped protruding block 1124 formed with a thickness greater than the thickness of the upper plate portion 1121 and the leg plate portion 1122. The L-shaped protruding block 1124 includes a vertical portion 1124A including a first vertical side and a second vertical side parallel to the first vertical side and extending longer than the first vertical side, and a first vertical side and It includes a horizontal portion 1124B including an upper horizontal plane intersecting at a right angle, a connection surface perpendicular to the upper horizontal plane, and a lower horizontal surface starting from the connection surface and extending parallel to the upper horizontal plane. The windproof brush unit 1140 is installed on the upper horizontal surface, the connection surface, the lower horizontal surface, and the second vertical side of the L-shaped protruding block 1124, and its self-contained brush bristles are formed on the first rail 226A and the second rail ( The facing surfaces of 226B) and the groove base surface between the first rail 226A and the second rail 226B contact the surface of the second window frame 400, almost completely blocking the gap through which wind dust can enter. do.

The main body 1120 includes an attachment surface on which the L-shaped protruding block 1124 protrudes and an exposed surface on the opposite side. The vertical portion 1124A of the L-shaped protruding block 1124 is inserted and embedded in the U-shaped cutout portion 334A formed at the top and bottom of the outer side plate portion 334. As a result, the main body 1120 has a minimum Due to its thickness, it can be in close contact with the external side plate portion 334. In this close contact state, two screws 6 penetrating the upper plate portion 1121 of the main body 1120 firmly secure the windproof module 1100 to the outer side plate portion 334 of the first side frame 330. Fix it. At this time, the horizontal portion 1224B of the L-shaped protruding block 1124 of the main body 1120 is sandwiched between the bottom of the second window frame 400 and the base surface of the horizontal rail frame 220A or 220B, and the horizontal portion 1124B ) The brush bristles of the brush portion 1140 formed on the upper surface of the window contact the lower surface of the second window frame 400.

Meanwhile, the protective cap 1200 is attached to the main body 1120 in a snap-fit or one-touch manner so as to cover the exposed surface of the main body 1120 of the windproof module 1100, especially the coupling area of the screw 6 on the exposed surface. It is coupled in a way, and is formed integrally with a plate-shaped lower part 1210 on which a U-shaped rail passage groove 1211 is formed that allows passage of the first rail 226A, and an upper part of the lower part 1210, and the first rail 226A 1 In the upper part 1220 where the protruding curved part 1221 is formed in the direction away from the outer side part 334 of the side frame 330, and the cylindrical hole formed at the most protruding vertex of the protruding curved part 1121 It includes a viscoelastic protruding member 1240 that is inserted and coupled to protrude further from the outer side portion 334.

As briefly mentioned above, a crescent part 900 is fixedly installed at the mid-height of the outer side plate portion 334 of the first side frame 300, and a windbreak device provided on the first window frame 300 ( 1), if the groove between the first rail 226A and the first side wall 224A needs to be cleaned or cleaned in another way, slide the first window frame 300 in the opposite direction to the closing direction. , the first side frame 330 provided on the first window frame 300 may be moved adjacent to the first vertical rail frame 220C. In the slide movement process of the first window frame 300, The protective cap 1200 has its own viscoelastic protruding member 1240 that first contacts the first rail 226A of the first vertical rail frame 220C, so that a person's finger is connected to the first rail vertical frame 226C. 1 It is possible to prevent hands from getting caught between the window frames (300). At this time, the viscoelastic protruding member 1240 first touches the first rail 226A of the first vertical rail frame 220C before the crescent component 900 touches the first rail 226A of the first vertical rail frame 220C. ), thereby preventing damage to the crest component 900 caused by the crescent component 900 colliding with the first vertical frame frame 220C.

For this purpose, the maximum protruding distance by the protective cap 1200, which is determined by the thickness of the upper part of the protective cap 1220 including the protruding curved portion 1221 and the protruding distance of the viscoelastic protruding member 1240, is the crescent part 900. ) is set to be greater than the protrusion distance due to ). If the viscoelastic protruding member 1240 is omitted and the protruding distance due to the protruding curved portion 1221 is increased to be larger than the protruding distance due to the crescent part 900, the protruding curved portion 1221 is the first vertical rail frame of the first vertical rail frame. Although it may reach the rail first, it cannot absorb the collision force, which may cause vibration and noise as well as unwanted separation and damage of the protective cap 1200. In addition, instead of eliminating or reducing the protrusion caused by the protruding curved portion 1221, it may be considered to increase the length of the viscoelastic protruding member 1240, but in this case, the viscoelastic protruding member 1240 does not properly absorb the shock and further causes collision. This may cause unwanted deformation, such as bending of the viscoelastic protruding member 140.

The embodiments described above merely describe preferred embodiments of the present invention, and the scope of the present invention is not limited to the described embodiments, and various modifications may be made by those skilled in the art within the scope of the registration claims of the present invention. Changes, modifications, or substitutions may be made, and such embodiments should be understood to fall within the scope of the present invention.

The present invention is not limited to the above-described embodiments and may be implemented with various modifications.

1: Windbreak device 1100: Windbreak module
1200: Protective cap 1140: Windproof brush
200: window frame 300: first window frame
400: Second window frame 900: Crescent part

Claims (2)

The first window frame 300 and the second window frame 400 are left and right along the first rail 226A and the second rail 226B of the first horizontal rail frame 220A and the second horizontal rail frame 220B. slides to close one side and the other side of the opening formed in the window frame 200 at a position that contacts the second vertical rail frame 220D and the first vertical rail frame 220C, respectively, and the first side of the first window frame 300 is closed. 1 In a window, the side frame 330 includes an outer side plate portion 334 and an inner side plate portion 332, and a crescent component 900 is fixedly installed at the middle height of the outer side plate portion 334,
U-shaped cutouts 334A are formed at the top and bottom of the outer side plate portion 334,
It is installed at the lower and upper parts of the external side plate portion 334, and includes the first horizontal rail frame 220A, the second horizontal rail frame 220B, the first window frame 300, and the second window frame ( It further includes a windproof device (1) having a windproof module (1100) that closes the gap between the windproof modules (400) and a protective cap (1200) that is detachably coupled to the windproof module (1100),
The windproof module 1100,
A main body 1120 fixed to the outer side plate 334 by screws 6,
It is coupled to the main body 1120, and the surfaces of the first rail (226A) and the second rail (226B) face each other, and the bottom surface of the groove between the first rail (226A) and the second rail (226B) and a windbreak brush 1140 in contact with the lower surface of the second window frame 400,
The main body 1120 has an upper plate portion 1121 and a leg plate portion 1122 extending downward from the bottom of the upper plate portion 1121 and a rail insertion groove 1123 formed between the leg plate portion 1122. It includes an L-shaped protruding block (1124) spaced apart from (1122) and formed with a thickness greater than the thickness of the upper plate portion (1121) and the leg plate portion (1122),
The L-shaped protruding block 1124 includes a vertical portion 1124A including a first vertical side and a second vertical side that is parallel to the first vertical side and extends longer than the first vertical side. It includes a horizontal portion (1124B) including an upper horizontal surface that intersects the vertical side at a right angle, a connection surface orthogonal to the upper horizontal surface, and a lower horizontal surface starting from the connection surface and extending parallel to the upper horizontal surface,
The vertical portion (1124A) is inserted and buried into the U-shaped cut portion (334A),
The windbreak brush 1140 is installed on the upper horizontal surface, the connecting surface, the lower horizontal surface, and the second vertical side of the L-shaped protruding block 1124, and the brush bristles are connected to the first rail 226A and the second rail 226B. Contacting the facing surfaces of the groove base surface between the first rail (226A) and the second rail (226B) and the surface of the second window frame (400),
The main body 1120 includes an attachment surface on which the L-shaped protruding block 1124 protrudes and an exposed surface on the opposite side,
The protective cap 1200 is,
A plate-shaped lower portion 1210 formed with a U-shaped rail passage groove 1211 that allows passage of the first rail 226A;
An upper portion (1220) formed integrally with the lower portion (1210) and having a protruding curved portion (1221) protruding in a direction away from the outer side plate portion (334),
It includes a viscoelastic protruding member 1240 that is inserted and coupled to a hole formed at the most protruding vertex of the protruding curved portion 1221 and protrudes further from the outer side plate portion 334,
By sliding the first window frame 300 in a direction opposite to the closing direction, the first side frame 330 provided on the first window frame 300 is adjacent to the first vertical rail frame 220C. When moved, the viscoelastic protruding member 1240 contacts the first rail 226A of the first vertical rail frame 220C before the crescent part 900. . delete