JP2007277917A - Slidable airtight door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slidable airtight door device capable of simplifying a structure of the slidable airtight door device, capable of blocking up an opening part to be airtight only by sliding a door body in one direction, and capable of shortening opening-closing time of the slidable airtight door device. <P>SOLUTION: The slidable airtight door device 10 is formed by installing the door body 30 to be slidable in parallel to a wall surface 11, and is formed for blocking up the opening part 12 to be airtight formed on the wall surface 11 by the door body 30. The door body 30 has a door side inclined face 33 of gradually increasing an interval with the wall surface 11 in the closing direction of the door body 30. The wall surface 11 has a wall side inclined face 23 of gradually reducing an interval with the door body 30 in the closing direction of the door body 30. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a slide type airtight door device that airtightly closes an opening formed on a wall surface of an airtight chamber or the like.

  As a conventional sliding airtight door device, there is a sliding airtight door device configured to slide a door body by a driving device, move the door body to the opening side by a pressing device, and press the door body to the opening portion. It is known (see, for example, Patent Document 1).

JP 2003-232172 A

  However, the sliding airtight door device described in Patent Document 1 includes a drive device for sliding the door body and a pressing device for moving the door body to the opening side. Since the structure becomes complicated and the door body is moved in two different directions, there is a problem that it takes a lot of time to open and close.

  The present invention has been made in order to eliminate such inconveniences, and an object of the present invention is to simplify the structure of the sliding airtight door device and to open the door body only by sliding it in one direction. An object of the present invention is to provide a slide type airtight door device capable of hermetically closing a part and shortening the opening and closing time of the slide type airtight door device.

The above object of the present invention can be achieved by the following constitution.
(1) A sliding airtight door device in which a door body is slidably assembled in parallel to a wall surface and airtightly closes an opening formed on the wall surface by the door body. It has a door-side inclined surface that gradually increases the distance from the wall surface in the direction, and the wall surface has a wall-side inclined surface that gradually decreases from the door body in the closing direction of the door body. A sliding type airtight door device.
(2) An elastic member is provided on at least one of the wall-side outer peripheral edge of the door body and the door-side outer peripheral edge of the opening of the wall surface, and the door-side inclined surface and the wall-side inclined surface are formed by the shape of the elastic member itself. (1) The slide type airtight door device according to (1).
(3) A rectangular frame body is provided on at least one of the wall side outer peripheral edge portion of the door body and the door side outer peripheral edge portion of the opening of the wall surface, and the door side inclined surface and the wall side inclined surface are formed depending on the shape of the frame body itself. The sliding airtight door device according to (1), characterized in that
(4) The elastic member is provided on at least one of the frame body provided on the wall-side outer peripheral edge portion of the door body and the frame body provided on the door-side outer peripheral edge portion of the opening on the wall surface. Sliding airtight door device.
(5) The two door bodies are slidably assembled in parallel to the wall surface, and the two door bodies slide from the both sides of the opening formed on the wall surface toward the center, respectively. A sliding type airtight door device that hermetically closes the opening of the wall by summing the two doors, the door being gradually spaced from the wall toward the center of the opening. A sliding airtight door device having a door-side inclined surface, wherein the wall surface has a wall-side inclined surface that gradually decreases in distance from the door body toward the center of the opening.

  According to the sliding airtight door device of the present invention, the door body has a door-side inclined surface that gradually increases in distance from the wall surface in the closing direction of the door body, and the wall surface is in the closing direction of the door body. Since it has a wall-side inclined surface that gradually decreases in distance from the door body, the door body slides in one direction from the open state to the closed state, so that the door-side inclined surface of the door body and the wall side of the wall surface Since the inclined surface is in airtight surface contact, the opening of the wall surface can be airtightly closed. Thereby, since it is not necessary to provide a pressing device unlike the conventional slide type airtight door device, the structure of the slide type airtight door device can be simplified, and the opening portion can be opened only by sliding the door body in one direction. Can be airtightly closed, and the opening and closing time of the sliding airtight door device can be shortened.

Hereinafter, an embodiment of a sliding type airtight door device according to the present invention will be described in detail with reference to the drawings. In the present embodiment, an electric sliding hermetic door device will be described as an example.
1 is a front view for explaining an embodiment of a sliding type airtight door device according to the present invention, FIG. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a line BB in FIG. FIG. 4 is an enlarged cross-sectional view of a main part of the sliding type airtight door device shown in FIG.

  As shown in FIGS. 1 to 3, the sliding type airtight door device 10 of the present embodiment includes a wall surface 11 in which an opening 12 is formed and a door body 30 that airtightly closes the opening 12 formed in the wall 11. And a door body drive device 40 that is provided above the opening 12 of the wall surface 11 and moves the door body 30 slidably in parallel with the wall surface 11.

  The opening 12 of the wall surface 11 is provided with a door frame 20 over the entire circumference of the outer peripheral edge thereof. As shown in FIGS. 2 and 3, the door frame 20 is a plate-shaped member having a substantially U-shaped cross section, and the outdoor side end surface of the door frame 20 has a door side outer peripheral edge 21 of the opening 12. Constitute. A rectangular wall-side frame (frame) 22 is attached to the door-side outer peripheral edge 21 over the entire circumference.

  The wall-side frame 22 is a frame-shaped member made of a metal such as stainless steel or a synthetic resin, and the outdoor side end surface of the wall-side frame 22 is in the closing direction of the door 30 (the right direction in FIG. 2). The wall-side inclined surface 23 is formed with a predetermined inclination angle so that the distance from the door body 30 gradually becomes smaller.

  Further, as shown in FIG. 4, a concave groove-shaped elastic member accommodating portion 24 is formed on the wall-side inclined surface 23 of the wall-side frame 22, and a packing which is an elastic member is formed in the elastic member accommodating portion 24. 25 is attached. The elastic member storage portion 24 is formed at the same inclination angle as the wall-side inclined surface 23.

  As shown in FIG. 4, the packing 25 is a hollow member made of a rubber material having elasticity, and the pressure contact surface 26 of the packing 25 is formed in a curved shape with the pressure contact surface side convex. Further, the pressure contact surface 26 of the packing 25 is disposed so as to protrude outward from the wall side inclined surface 23 in a state where the packing 25 is attached to the elastic member accommodating portion 24 of the wall side frame 22.

  As shown in FIGS. 2 to 4, the door body 30 is a flat plate member made of stainless steel in which a frame and a panel are assembled, and the peripheral edge of the indoor side end surface of the door body 30 is a door of the opening 12. A wall-side outer peripheral edge portion 31 that opposes the side outer peripheral edge portion 21 is formed. A rectangular door-side frame (frame) 32 is attached to the wall-side outer peripheral edge 31 over the entire circumference. In FIG. 1, reference numeral 38 denotes an embedded puller, and reference numeral 39 denotes a window portion.

  The door-side frame 32 is a frame-shaped member made of a metal such as stainless steel or a synthetic resin, and the indoor side end surface of the door-side frame 32 is in the closing direction of the door 30 (the right direction in FIG. 2). The door-side inclined surface 33 is formed with a predetermined inclination angle so that the distance from the wall surface 11 gradually increases.

  Further, two guide rollers 34 with a door are rotatably assembled to the upper end portion of the door body 30, and the guide rollers 34 with a door abut on a guide plate 35 attached to a cover 47 described later. ing. Further, a door-attached guide plate 36 is attached to the lower end portion of the door body 30, and the door-attached guide plate 36 includes two guide rollers 37 with a floor that are rotatably mounted on the floor surface 13. It is in contact. As a result, the door body 30 is guided to slide by the guide plate 35 and the floor-equipped guide roller 37 and is restrained from moving to the outdoor side. Therefore, the door body 30 is smoothly parallel to the wall surface 11 in the opening direction and the closing direction. Slide.

  As shown in FIGS. 1 and 3, the door body driving device 40 includes a guide rail 41 fixed in parallel to the floor surface 13 above the opening 12 of the wall surface 11, and an upper end portion slidable on the guide rail 41. Two suspension fittings 42 that are connected to the roller 43 to be incorporated and whose lower end portion is fixed to the upper end portion of the door body 30, a door engine 44 that slides the suspension fitting 42, and a drive control that controls the door engine 44. An outdoor control panel 45 and an indoor control panel 46 having the illustrated control unit are provided. In the door body driving device 40, the control panels 45 and 46 and the door engine 44 are electrically connected to each other, and the door engine 44 is driven and controlled in accordance with signals input from the control panels 45 and 46. Then, the door body 11 is slid in the opening direction or the closing direction. Further, the guide rail 41, the hanging bracket 42, the roller 43, and the door engine 44 are covered with a cover 47 that is detachably fixed to the wall surface 11.

  In the slide type airtight door device 10 configured as described above, the door engine 44 is driven and controlled by the user operating the control panels 45 and 46, and the door 30 is moved along the guide rail 41. Slide in the opening direction (left direction in FIG. 1). Next, when the user passes and a certain time elapses, the door engine 44 is driven and controlled, and the door body 30 is slid along the guide rail 41 in the closing direction (right direction in FIG. 1). When the door 30 is slid in the closing direction, the wall-side inclined surface 23 of the wall-side frame 22 and the door-side inclined surface 33 of the door-side frame 32 are brought into surface contact with each other, The pressure contact surface 26 of the packing 25 attached to the wall side frame 22 is in surface contact with the door side inclined surface 33 of the door side frame 32 over the entire circumference. Next, at the same time as the above contact, due to the competition between the packing 25 and the door-side frame body 32, a pressure-contacting force orthogonal to the sliding direction is generated between the pressure-contact surface 26 of the packing 25 and the door-side inclined surface 33 of the door-side frame body 32. appear. As a result, the pressure-contact surface 26 of the packing 25 is in close contact with the door-side inclined surface 33 of the door-side frame 32 while maintaining airtightness, so that the opening 12 of the wall surface 11 is airtightly closed.

  As described above, according to the sliding type airtight door device 10 of the present embodiment, the door body 30 has the door-side inclined surface 33 whose distance from the wall surface 11 gradually increases toward the closing direction of the door body 30. The wall surface 11 has a wall-side inclined surface 23 in which the distance from the door body 30 gradually decreases in the closing direction of the door body 30, so that the door body 30 slides in one direction from the open state to the closed state. As a result, the door-side inclined surface 33 of the door body 30 and the wall-side inclined surface 23 of the wall surface 11 are in air-tight surface contact, so that the opening 12 of the wall surface 11 can be air-tightly closed. Thereby, since it is not necessary to provide a pressing device unlike the conventional slide type airtight door device, the structure of the slide type airtight door device 10 can be simplified and the door body 30 can be simply slid in one direction. The opening 12 can be airtightly closed, and the opening / closing time of the sliding airtight door device 10 can be shortened.

  In addition, according to the sliding type airtight door device 10 of the present embodiment, the elastic member 25 is provided on the wall-side inclined surface 23 of the wall-side frame 22 provided on the wall surface 11. The airtightness between the wall surface 11 and the wall-side inclined surface 23 can be improved. Thereby, the opening part 12 of the wall surface 11 can be reliably airtightly closed.

  Moreover, according to the sliding type airtight door device 10 of the present embodiment, the elastic member 25 is a hollow member, and the pressure contact surface 26 of the elastic member 25 is formed in a curved shape with the pressure contact surface side convex. Therefore, when the elastic member 25 comes into contact with the door-side inclined surface 33 of the door body 30, the pressure contact surface 26 is easily elastically deformed, and thus the door-side inclined surface 33 of the door body 30 and the wall-side inclined surface 23 of the wall surface 11. The airtightness between the two can be further improved. Thereby, the opening part 12 of the wall surface 11 can be reliably airtightly closed.

  Furthermore, according to the slide type airtight door device 10 of the present embodiment, the elastic member 25 is attached to at least one of the door side frame body 32 provided on the door body 30 and the wall side frame body 22 provided on the wall surface 11. Even if the characteristics of the elastic member 25 are lost due to wear or deterioration over time, only the elastic member 25 can be easily replaced without replacing the door-side frame 32 and the wall-side frame 22. The maintainability of the sliding type airtight door device 10 can be improved.

In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably.
For example, in this embodiment, the elastic member is attached only to the wall-side frame, but is not limited thereto, and even if attached to the door-side frame, both the wall-side frame and the door-side frame are attached. It may be attached. In addition, when attaching an elastic member to both a wall side frame body and a door side frame body, in order to improve the adhesiveness of an elastic member, it is preferable to make any one elastic member into a solid plate-shaped member.
Moreover, in this embodiment, although the wall side inclined surface and the door side inclined surface are respectively formed by the shape of the wall side frame and the door side frame itself, the present invention is not limited to this, and the door side of the opening portion of the wall surface Even if an elastic member is provided on the outer peripheral edge and the wall-side inclined surface is formed by the shape of the elastic member itself, an elastic member is provided on the wall-side outer peripheral edge of the door body, and the door-side inclined is provided by the shape of the elastic member itself. A surface may be formed. In this case, the wall side frame and the door side frame are not necessary. In addition, a wall side frame or door side frame may be provided on one of the door side outer peripheral edge of the wall surface and the wall side outer peripheral edge of the door body, and an elastic member may be provided on the other. Is optional.
Moreover, in this embodiment, although the case where this invention was applied to the slide-type airtight door apparatus with which one door body is slidably assembled | attached parallel with respect to a wall surface was illustrated, instead of this, The two door bodies are slidably assembled in parallel, and the two door bodies slide from the both sides of the opening formed on the wall surface toward the center, respectively, and the two door bodies are called at the center of the opening. By being combined, the present invention may be applied to a sliding type airtight door device that airtightly closes the opening of the wall surface. In this case, the door body has a door-side inclined surface that gradually increases in distance to the wall surface toward the center of the opening, and the wall surface gradually decreases in distance from the door body toward the center of the opening. A wall-side inclined surface.
Moreover, in this embodiment, although the door body is slid using a door engine, it may replace with this and a door body may be slid manually.
Furthermore, in the present embodiment, the user opens and closes the hermetic door by operating the control panel, but may be automatically opened and closed using various sensors.

It is a front view for demonstrating one Embodiment of the slide-type airtight door apparatus which concerns on this invention. It is AA arrow sectional drawing of FIG. It is a BB arrow directional cross-sectional view of FIG. 4 is an enlarged cross-sectional view of a main part of the sliding type airtight door device shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Sliding airtight door apparatus 11 Wall surface 12 Opening part 13 Floor surface 20 Door frame 21 Door side outer periphery 22 Wall side frame (frame body)
23 Wall-side inclined surface 24 Elastic member accommodating portion 25 Packing (elastic member)
26 pressure contact surface 30 door body 31 wall side outer peripheral edge 32 door side frame body (frame body)
33 Door-side inclined surface 34 Guide roller with door 35 Guide plate 36 Guide plate with door 37 Guide roller with floor 38 Embedded handle 39 Window 40 Door body drive device 41 Guide rail 42 Hanging bracket 43 Roller 44 Door engine 45, 46 Control Board 47 Cover

Claims (5)

A sliding airtight door device in which a door body is slidably assembled in parallel with a wall surface and airtightly closes an opening formed in the wall surface by the door body,
The door body has a door-side inclined surface that gradually increases in distance from the wall surface in the closing direction of the door body,
The slide-type airtight door device, wherein the wall surface has a wall-side inclined surface that gradually decreases in distance from the door body in a closing direction of the door body. An elastic member is provided on at least one of the wall-side outer peripheral edge of the door body and the door-side outer peripheral edge of the opening of the wall surface,
The sliding airtight door device according to claim 1, wherein the door-side inclined surface and the wall-side inclined surface are formed by the shape of the elastic member itself. A rectangular frame is provided on at least one of the wall side outer peripheral edge of the door body and the door side outer peripheral edge of the opening of the wall surface,
The sliding airtight door device according to claim 1, wherein the door-side inclined surface and the wall-side inclined surface are formed by the shape of the frame body itself.   An elastic member is provided on at least one of the frame body provided on the wall-side outer peripheral edge portion of the door body and the frame body provided on the door-side outer peripheral edge portion of the opening of the wall surface. Item 4. The sliding airtight door device according to item 3. Two door bodies are slidably assembled in parallel to the wall surface, and the two door bodies slide from the both sides of the opening portion formed in the wall surface toward the center, respectively, at the center of the opening portion. A sliding airtight door device that airtightly closes the opening of the wall surface by summing the two door bodies,
The door body has a door-side inclined surface that gradually increases in distance from the wall surface toward the center of the opening,
The slide-type airtight door device, wherein the wall surface has a wall-side inclined surface that gradually decreases in distance from the door body toward the center of the opening.

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