JP2011252356A - Sliding door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure the cutoff properties of sound, light and air when a sliding door is closed by a simple structure and to improve the operability of opening and closing the sliding door.SOLUTION: In a sliding door device 20, the sliding door 21, in which a seal device 30 is incorporated for closing a gap between the end face of the sliding door 21 and the horizontal frames 11 and 12 of the door frame, is provided so as to be moved to open/close against another sliding door 22 arranged side by side inside a door frame 10 or a small wall. The seal device includes a pusher 32 resiliently pushed in to be brought into butt-contact with the vertical frames 13 and 14 of the door frame when the sliding door 21 is closed, and a seal member 33 for closing the gap with the horizontal frames 11 and 12 of the door frame. When the sliding door 21 is closed, on each of the sliding door 21 and the other sliding door 22 or the small wall, overlap parts 21A and 22A where they partially overlap in the opening/closing direction of the sliding door 21 are formed, and the respective overlap parts are provided with engaging and sealing parts 60A and 60B to be engaged and sealed with each other so as to restrain the opening of the sliding door 21.

Description

  The present invention relates to a sliding door device.

  A sliding door used as a partition between rooms, for example, blocks the sound, light, and air of a sanitary adjacent to the bedroom, and provides a living space that does not interfere with each other in those rooms.

  The sliding door device described in Patent Document 1 is provided with a gap closing member on the lower end surface of the sliding door, and when closing the sliding door, the gap closing member is pushed down to the floor surface side by a leaf spring built in the sliding door, Closes the gap with the surface and blocks sound, light, and air. When the sliding door is opened and closed, the gap closing member is lifted from the floor surface by the trapezoidal guide plate attached to the floor surface, and can be moved smoothly without rubbing the gap closing member against the floor surface.

  The sliding door device described in Patent Document 2 is provided with a belt wound around a belt wheel on the lower end surface of the sliding door. The sliding door opens and closes while rotating the belt that is in contact with the floor surface, seals the gap between the lower end surface of the sliding door and the floor surface with the belt, and blocks sound, light, and air.

JP 7-317457 A JP 10-102883 A

  In the sliding door device described in Patent Document 1, the gap closing member provided on the lower end surface of the sliding door is pushed down only when the sliding door is closed to close the gap with the floor surface, and is lifted when the sliding door is opened and closed to smoothly move the sliding door. Make it movable. However, it is necessary to project a trapezoidal guide plate for lifting the gap closing member at an appropriate position on the floor surface, which is complicated.

  In the sliding door device described in Patent Document 2, the belt that seals the gap between the lower end surface of the sliding door and the floor surface rotates while rotating on the floor surface during the opening and closing movement of the sliding door. Impairs sex.

  SUMMARY OF THE INVENTION An object of the present invention is to ensure a sound, light, and air blocking property when a sliding door is closed and to improve the opening / closing operability of the sliding door with a simple structure.

  The invention according to claim 1 is provided such that the sliding door can be opened and closed with respect to another sliding door or a small wall lined up in the door frame, and the sliding door closes a gap between the end surface of the sliding door and the horizontal frame of the door frame. A sealing device is incorporated, and the sealing device is always urged in a direction protruding from the side surface of the sliding door, and includes a pusher that is elastically pushed against the vertical frame of the door frame when the sliding door is closed. A sliding door device that includes a seal member that projects from the end face of the sliding door in conjunction with the pusher being pushed in and closes the gap between the door frame and the horizontal frame of the door frame. An engagement seal in which each of the sliding doors or small walls forms an overlapping portion that partially overlaps each other, and engages and seals each of the overlapping portions so as to prevent the opening of the sliding door. Is a part that is provided .

  The invention according to claim 2 is the hollow according to the invention according to claim 1, wherein the engagement sealing portion is fixed to each of the overlapping portions formed in each of the sliding door and the other sliding door or the small wall. It is made of a rod-like elastic body.

(Claim 1)
(a) When the pusher of the sealing device built in the sliding door is pushed in contact with the vertical frame of the door frame when the sliding door is closed, the seal member protruding from the end surface of the sliding door is linked to this. Close the gap with the horizontal frame.

  At the same time, the engagement sealing portion provided at the overlapping portion of the sliding door with the other sliding door (or small wall) prevents the opening of the sliding door at the engagement sealing portion provided on the other sliding door side. Are engaged and sealed together. Thereby, the sliding door is restrained to the closed position against the opening direction force based on the urging force that the pusher of the sealing device tries to protrude from the pushing position by the engagement of the engagement sealing portions. The sealing member protruding from the end face keeps closing the gap with the horizontal frame of the door frame.

  When the sliding door is closed, the sliding door is restrained in the closed position as described above, so that the side surface provided with the pusher of the sliding door continues to contact the vertical frame of the door frame and seals the gap with the vertical frame. Continue to stop.

  Moreover, the overlap part of a sliding door and another sliding door (or small wall) is also sealed by engagement of those engagement sealing parts.

  As described above, when the sliding door is closed, the end surface and side surface of the sliding door continue to seal the gap between the horizontal frame and the vertical frame of the door frame, and the overlapping portion of the sliding door and the other sliding door (or small wall) is also sealed, Ensure sound, light and air blocking properties.

  (b) The sealing member of the sealing device incorporated in the sliding door is housed in the end face of the sliding door in conjunction with the pusher protruding from the pushing position when the sliding door is opened and closed when the sliding door is opened from the closed position. Therefore, the sealing member of the sealing device does not rub the horizontal frame of the door frame, and the opening / closing operability of the sliding door is not impaired.

  (c) The means for allowing the sealing member of the sealing device built in the sliding door to enter and exit is configured by bringing a pusher provided on the sliding door into contact with and separating from the vertical frame of the door frame. No special operation member is required on the side. The structure is simple.

(Claim 2)
(d) The engagement sealing part provided in each of the overlapping parts of the sliding door and other sliding doors (or small walls) is made of a hollow rod-like elastic body. Therefore, one or more hollow rod-like elastic bodies provided in the overlapping portion of the sliding door and one or more hollow rod-like elastic bodies provided in the overlapping portion of the other sliding door (or small wall) have a simple structure. The sliding door can be engaged and sealed so as to prevent the sliding door from opening.

FIG. 1 is a cross-sectional view showing a sliding door device. 2 is a longitudinal sectional view taken along line II-II in FIG. FIG. 3 is a cross-sectional view showing the upper sealing device. FIG. 4 is a cross-sectional view showing the lower sealing device.

  FIG. 1 shows a partition 1 provided between adjacent rooms. The partition 1 includes a sliding door device 20 incorporated in the door frame 10. The sliding door device 20 includes two sliding doors 21 and 22 lined up in the door frame 10, and the sliding door 21 and the sliding door 22 are provided so as to be capable of opening and closing each other.

  As shown in FIGS. 1 and 2, the door frame 10 is composed of upper and lower horizontal frames 11 and 12 and left and right vertical frames 13 and 14. In the longitudinal direction of the lower surface of the upper horizontal frame 11, two groove-shaped guide rails 15 and 16 for the two sliding doors 21 and 22 are embedded and extended.

  As shown in FIG. 2, the sliding door 21 (same as the sliding door 22) is provided with suspension wheels 24 at a plurality of positions in the longitudinal direction of the upper end surface, in this embodiment, at two positions on the left and right sides. The sliding door 21 engages the suspension vehicle 24 with the guide rail 15 of the upper horizontal frame 11 and is guided by the guide rail 15 to be slidable.

  The sliding door 21 (the same applies to the sliding door 22) is provided with an upper sealing device 30 on the upper end surface. The upper sealing device 30 is built in the sliding door 21 and closes the gap between the upper end surface of the sliding door 21 and the upper horizontal frame 11 of the door frame 10.

  As shown in FIG. 3, the upper seal device 30 includes a pusher 32 and a seal member 33 in a block 31 that is embedded and fixed in the upper end surface of the sliding door 21.

  The pusher 32 is always urged in a direction protruding from one side surface (left side surface) of the sliding door 21 by urging means (not shown) provided inside the block 31, and from the side surface of the sliding door 21 when the sliding door 21 is opened. Positioned in the protruding standby position. When the sliding door 21 is closed, when one side surface of the sliding door 21 comes into contact with the vertical frame 13 of the door frame 10, the pusher 32 comes into contact with the vertical frame 13 and is pushed into the side surface of the sliding door 21.

  The seal member 33 protrudes from the upper end surface of the sliding door 21 in conjunction with the pusher 32 being pushed, contacts the lower surface of the upper horizontal frame 11 of the door frame 10, and closes the gap with the upper horizontal frame 11. The seal member 33 is formed by extending a long seal material 33A made of rubber or the like having a triangular cross section over the entire length along the longitudinal direction of the upper end surface of the sliding door 21.

  In the sliding door 21 (the same applies to the sliding door 22), the suspension wheel 24 is attached to the upper end surface while reducing the total thickness, and the upper end surface has a wide space that does not interfere with the suspension vehicle 24. In order to provide the above-mentioned upper seal device 30 together, the following configuration is provided. That is, the sliding door 21 has a suspension wheel 24 attached at a position eccentric by an eccentric amount e from the plate thickness center c on the upper end surface (FIG. 2), and one side including the plate thickness center c from the attachment position of the suspension wheel 24 on the upper end surface. The upper sealing device 30 is provided.

  As shown in FIG. 2, the sliding door 21 (the same applies to the sliding door 22) is provided with a lower sealing device 40 on the lower end surface. As shown in FIG. 4, the lower seal device 40 includes a block 41 that is embedded and fixed to the lower end surface, and a seal portion 42 that is built into the block 41 so as to be movable up and down from the lower surface of the block 41. The seal portion 42 extends a long sealing material 42B made of rubber having a circular cross section at the lower portion of the T-shaped main body 42A over substantially the entire length along the longitudinal direction of the lower end surface of the sliding door 21. The seal portion 42 houses the head of the T-shaped main body 42 </ b> A inside the block 41, passes the neck of the T-shaped main body 42 </ b> A through the lower surface slit of the block 41, and causes the long sealing material 42 </ b> B to protrude below the block 41. . The sealing portion 42 of the lower sealing device 40 provided on the sliding door 21 hangs the sealing material 42B from the lower surface of the block 41 to the lower horizontal frame 12 side of the door frame 10 by its own weight, and a gap between the sliding door 21 and the lower horizontal frame 12 is formed. Seal.

  As shown in FIG. 1, the sliding door 21 (same for the sliding door 22) is provided with a side seal device 50 on one side surface (left side surface). The side sealing device 50 is provided on a side surface where the sliding door 21 contacts the vertical frame 13 of the door frame 10 when the sliding door 21 is closed.

  The side sealing device 50 according to the present embodiment includes a plurality of hollow rod-like elastic bodies 51 fixed to the side surface of the sliding door 21, and these elastic bodies 51 are fixed to form a plurality of strips in the vertical direction of the side surface of the sliding door 21. Configured. Each elastic body 51 of the side seal device 50 has a semi-cylindrical cross section or the like that can be elastically deformed by a collision force with which the sliding door 21 abuts against the vertical frame 13 of the door frame 10 when the sliding door 21 is closed, and buffers the collision force. And close to the vertical frame 13 of the door frame 10 (FIG. 1B).

  When the sliding door device 21 is closed, as shown in FIG. 1, the sliding door device 20 forms overlapping portions 21 </ b> A and 22 </ b> A in which the sliding door 21 and the sliding door 22 partially overlap each other in the opening / closing direction of the sliding door 21. Then, the engagement sealing portions 60A and 60B are provided in the overlapping portions 21A and 22A so as to engage and disengage and seal each other so as to prevent the sliding door 21 from opening.

  The engagement sealing portions 60A and 60B of the present embodiment are composed of a plurality of hollow rod-like elastic bodies 61 fixed to the overlapping portions 21A and 22A provided on the sliding door 21 and the sliding door 22, respectively. The body 61 is configured to be fixed so as to form a plurality of strips in the vertical direction of the overlapping portions 21 </ b> A and 22 </ b> A (each elastic body 61 forms a corrugated shape in the opening / closing direction of the sliding door 21). Each elastic body 61 of the engagement sealing portion 60A and each elastic body 61 of the engagement sealing portion 60B are subjected to frictional forces that interfere with each other when the sliding door 21 closes when the sliding door 21 is closed. It has a semi-cylindrical cross section that can be elastically deformed, etc., and is engaged with each other while being elastically deformed in a direction along the opening / closing direction of the sliding door 21 (the crests of the elastic bodies 61 of the engagement sealing portion 60A are engaged and sealed) Engaging with the valleys of the elastic bodies 61 of the stopper 60B) and sealing each other (FIG. 1C).

  The hollow rod-like elastic body 51 of the side seal device 50 and the hollow rod-like elastic body 61 of the engagement sealing portions 60A and 60B are long hollow rod-like elastic bodies made of rubber or the like having a semi-cylindrical cross section. It is possible to adopt a product in which fibers such as mohair are implanted.

According to the present embodiment, the following operational effects can be obtained.
(a) When the sliding door 21 is closed, when the pusher 32 of the upper sealing device 30 built in the sliding door 21 is pushed against the vertical frame 13 of the door frame 10, the upper end surface of the sliding door 21 is interlocked with the pusher 32. The sealing member 33 protruding from the door closes the gap with the upper horizontal frame 11 of the door frame 10.

  At the same time, the engagement sealing portion 60A provided in the overlapping portion 21A of the sliding door 21 with the other sliding door 22 opens the sliding door 21 to the engagement sealing portion 60B provided on the other sliding door 22 side. Engaged so as to stop, and seals each other. As a result, the sliding door 21 resists the opening direction force based on the urging force that the pusher 32 of the upper seal device 30 tries to protrude from the pushing position due to the concavo-convex engagement of the engagement sealing portions 60A and 60B. The sealing member 33 that is restrained to the closed position and protrudes from the upper end surface of the sliding door 21 continues to close the gap with the upper horizontal frame 11 of the door frame 10.

  When the sliding door 21 is closed, the sliding door 21 is restrained to the closed position as described above, so that the side surface on which the pusher 32 of the sliding door 21 is provided continues to abut against the vertical frame 13 of the door frame 10. The gap with the frame 13 is continuously sealed.

  Further, the overlapping portions 21A and 22A of the sliding door 21 and the other sliding doors 22 are also sealed by the concave and convex engagement of the engagement sealing portions 60A and 60B.

  The sealing portion 42 of the lower sealing device 40 provided on the lower end surface of the sliding door 21 keeps closing the gap with the lower horizontal frame 12 of the door frame 10.

  As described above, when the sliding door 21 is closed, the upper and lower end surfaces and side surfaces of the sliding door 21 continue to seal the gap between the upper and lower horizontal frames 11 and 12 and the vertical frame 13, and the sliding door 21 and the other sliding doors 22 The overlapping portions 21A and 22A are also sealed to ensure sound, light and air blocking properties.

  (b) The sealing member 33 of the upper sealing device 30 built in the sliding door 21 is connected to the upper end surface of the sliding door 21 in conjunction with the pusher 32 protruding from the pushing position when the sliding door 21 is opened and closed when the sliding door 21 is opened from the closed position. Fits in. Therefore, the sealing member 33 of the upper sealing device 30 does not rub the upper horizontal frame 11 of the door frame 10 and the opening / closing operability of the sliding door 21 is not impaired.

  (c) The means for allowing the sealing member 33 of the upper sealing device 30 built in the sliding door 21 to enter and exit is configured by bringing the pusher 32 provided on the sliding door 21 into and out of contact with the vertical frame 13 of the door frame 10. No special operation member is required on the door frame 10 or the floor side. The structure is simple.

  (d) The engagement sealing portions 60A and 60B provided in the overlapping portions 21A and 22A of the sliding door 21 and the other sliding doors 22 are made of a hollow rod-like elastic body 61. Therefore, one or more hollow rod-like elastic bodies 61 provided in the overlapping portion 21A of the sliding door 21 and one or more hollow rod-like elastic bodies 61 provided in the overlapping portion 22A of the other sliding door 22 have a simple structure. Thus, it is possible to engage and disengage and seal each other so as to prevent the sliding door 21 from opening.

  Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like without departing from the scope of the present invention. Are also included in the present invention. For example, the sliding door device 20 has a sealing device (including a block 31, a pusher 32, and a sealing member 33 similar to the upper sealing device 30) that closes the gap between the lower end surface of the sliding door 21 and the lower horizontal frame 12 of the door frame 10. Can also be built in.

  Further, the sliding door device 20 may be provided so that the sliding door 21 can be opened and closed with respect to a small wall (small wall replacing the other sliding door 22). An engagement sealing portion of the invention may be provided.

  The present invention can ensure the sound, light, and air blocking properties when the sliding door is closed and can improve the opening / closing operability of the sliding door with a simple structure.

DESCRIPTION OF SYMBOLS 10 Door frame 11, 12 Horizontal frame 13, 14 Vertical frame 20 Sliding door apparatus 21, 22 Sliding door 21A, 22A Overlapping part 30 Sealing device 32 Pusher 33 Sealing member 60A, 60B Engagement sealing part 61 Hollow rod-like elastic body

Claims (2)

A sliding door is provided so as to be openable and closable with respect to other sliding doors or small walls lined up in the door frame, and a built-in sealing device that closes the gap between the end surface of the sliding door and the horizontal frame of the door frame is built in the sliding door,
The sealing device includes a pusher that is constantly urged in a direction protruding from the side surface of the sliding door, and is pushed elastically against the vertical frame of the door frame when the sliding door is closed, and the pusher is pushed A sliding door device provided with a seal member that projects from the end face of the sliding door in conjunction with the door and closes the gap between the horizontal frame of the door frame,
When the sliding door is closed, each of the sliding door and the other sliding door or the small wall forms an overlapping portion where they partially overlap each other, and engages with each of the overlapping portions so as to prevent the opening of the sliding door. And the sliding door apparatus which provides the engagement sealing part which seals mutually.   The sliding door device according to claim 1, wherein the engagement sealing portion is formed of a hollow rod-like elastic body fixed to each of the overlapping portions formed in each of the sliding door and the other sliding door or the small wall.

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