JP4262623B2 - Screen device - Google Patents

Description

  The present invention relates to a screen device that can appropriately maintain a closed state of an opening.

Conventionally, for example, a guide body having an engagement receiving portion, a screen body having an insertion portion located in the guide body at an end portion and moving while being guided by the guide body to open and close the opening, and an insertion portion of the screen body A retaining pin that prevents the insertion portion from slipping out of the guide body by engaging with the engagement receiving portion of the guide body, and a weight insertion portion that is provided at the front end side in the closing movement direction of the screen body and is located in the guide body 2. Description of the Related Art A screen device including a weight body such as a seating plate having an end at an end is known (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 11-131944

  However, in the above conventional screen device, for example, in the event of a fire, the weight body may be bent due to the influence of heat or wind pressure, and the weight insertion portion may come out of the guide body, and the closed state of the opening portion may not be maintained.

  This invention is made | formed in view of such a point, and it aims at providing the screen apparatus which can maintain the closed state of an opening part appropriately.

Screen apparatus according to claim 1 is to have a engagement receiving portion, and a vertical elongated left and right pair of guide members positioned spaced opposed to each other via an opening, an insertion portion which is located the guide body has in the left-right direction both end portions, a flexible screen body for opening and closing the opening by moving in the vertical direction along the opening while being guided by the guide member, the insertion portion of the screen body A screen retaining body for preventing the insertion portion from slipping out of the guide body by engagement with the engagement receiving portion of the guide body , and a lower end on the front end side in the closing direction of the screen body It provided parts, the weight body having a weight insertion portion located on the guide body in the lateral direction both end portions, is provided in the weight insertion portion of the weight body, receiving the engagement of the guide body The guide body of the weight insertion portion by engagement with a portion And a weight for retaining the body to prevent the escape from the weight body includes a left-right direction longitudinal shaped center bar having substantially the same length dimension and the lateral direction of the length of said screen member, the A pair of left and right side bars that are fixed to the front and rear surfaces of the center bar and have a length dimension that is shorter than the length dimension in the left and right direction of the screen body; The weight insertion portion is located in the guide body, and both left and right end portions of the side bar are separated from the guide body, and the weight retaining member and the engagement receiving portion The distance between the side bar is normally equal to or less than the distance between the retaining member for the screen and the engagement receiving portion, and even if the screen body is displaced from side to side during the movement of the screen body, Contacts the guide As no one in which is shorter than the distance between the guide body and the side bar.

Screen apparatus 請 Motomeko 2 wherein, in the screen device according to claim 1 Symbol placement, thickness direction of the length dimension of the screen of the weight coming off preventing member is thickness of the screen body of the screen for retaining body It is more than the length dimension in the vertical direction.

Screen apparatus 請 Motomeko 3 wherein, in the screen device according to claim 1 or 2 wherein, for a plurality of screen retaining body, at a distance from each other along the longitudinal direction of the insertion portion into the insertion portion of the screen body They are arranged side by side.

  A screen device according to a fourth aspect is the screen device according to any one of the first to third aspects, further comprising a winding body that winds the screen body so that the screen body can be rewound, and the weight body is wound around the winding body. It is set so that there is no.

The screen device according to claim 5 is the screen device according to any one of claims 1 to 4, wherein the center bar is accommodated in a bag-like portion formed by folding the lower end of the screen body. .

A screen device according to a sixth aspect is the screen device according to the fifth aspect, wherein the side bar is superimposed on the front and rear surfaces of the center bar via a bag-shaped portion, and is viewed from below by a side bar receiver having a substantially U-shaped cross section. It is what is supported.

According to the first aspect of the invention, the retaining member for the screen prevents the insertion portion from slipping out of the guiding body by the engagement with the engagement receiving portion of the guiding member, and the retaining member for the weight is the guide body. Since the weight insertion portion is prevented from coming out of the guide body by engagement with the engagement receiving portion, the closed state of the opening can be appropriately maintained. In addition, for example, in the event of a fire, the weight retaining member is engaged with the engagement receiving portion of the guide body substantially simultaneously with the screen retaining member or before the screen retaining member. When trying to escape from the guide body, it is possible to effectively prevent the insertion portion of the screen body from following the guide body.

According to the second aspect of the present invention, the weight retaining portion can effectively prevent the weight insertion portion of the weight body from coming out of the guide body, and the closed state of the opening can be more appropriately maintained. it can.

According to the third aspect of the present invention, it is possible to effectively prevent the insertion portion of the screen body from slipping out of the guide body by the plurality of screen retaining bodies, and it is possible to more appropriately maintain the closed state of the opening.

  An embodiment of the screen device of the present invention will be described with reference to the drawings.

  In FIG. 1, reference numeral 1 denotes a screen device. The screen device 1 prevents a fire spread by closing a relatively large opening 2, for example, a space before an elevator, in the event of a fire.

  The screen device 1 is provided with a pair of left and right guide bodies (guide rails) 3 that are vertically spaced from each other through an opening 2, and the guide bodies 3 are covered with a floor or a lower frame. It is erected at the contact portion 4.

  A storage box body 5 that is substantially box-shaped in the left-right direction is disposed between the upper ends of both guide bodies 3, and a winding body (not shown) such as a winding shaft is disposed in the left-right direction in the storage case body 5. Are arranged so as to be rotatable around the rotation center axis.

  Here, as shown in FIG. 4 to FIG. 6, the guide body 3 is a hollow member formed by bending a plate member, and opens toward the opening 2 on the surfaces facing each other. An insertion slot 7 having a vertically long slot shape is formed.

  The guide body 3 has a pair of longitudinally facing front and rear opposing plate portions 8 which are spaced apart from each other, and the opposite end portions of the opposing plate portions 8 on the side opposite to the opening 2 are connected to each other in the vertical direction. 9 are integrally connected.

  From the side edge part of the opening part 2 side of both the opposing board parts 8, the 1st board part 11 protrudes integrally toward the opposing board part 8 side to which the 1st board part 11 which is a longitudinal shape and is substantially rectangular shape opposes. A second plate portion 12 that is substantially rectangular in the vertical direction is projected integrally from the tip portion of the second plate portion 12 toward the connecting plate portion 9 side, that is, the opposite opening 2 side, and the tip portion of the second plate portion 12 is substantially straight. This is an engagement receiving portion 13. In addition, a space between the pair of front and rear second plate portions 12 that are opposed to each other is an insertion port 7.

  Further, as shown in FIG. 1 to FIG. 3 and the like, the screen device 1 has the insertion portions 20 positioned in the guide body 3 in the state of being inserted into the guide body 3 through the insertion port 7 (both moving directions). And having a substantially rectangular and flexible screen 21 that opens and closes the opening 2 by moving vertically along the opening 2 while being guided by the guide body 3. ing.

  The screen body 21 is wound so as to be able to be rewound by the wound body in the housing case body 5, and when the opening 2 is closed, the screen body 21 is lowered by its own weight by rewinding from the wound body, and substantially entirely along the vertical plane. The opening 2 is closed substantially in the form of a flat plate, and when the opening 2 is opened, the opening 2 is lifted up by winding of the winding body, so that substantially the whole becomes a substantially cylindrical shape in the housing case body 5 to open the opening 2. Note that the screen body 21 is made of a noncombustible fabric made of glass cloth, silica cloth, or the like.

  Each of the left and right longitudinal insertion portions 20 of the screen body 21 is detached from the guide body 3 by engagement with the engagement receiving portion 13 of the guide body 3 when the opening 2 is closed. A plurality of protruding retaining members 23 for screens are arranged in parallel along the longitudinal direction of the insertion portion 20 at equal intervals.

  Each screen retaining body 23 is a projecting shape projecting in the thickness direction of the screen body 21 from the front and rear surfaces of the insertion portion 20 of the screen body 21, and is composed of, for example, a bolt 24, a nut 25, and a washer 26. Yes.

  In addition, weight insertion portions 30 positioned in the guide body 3 in a state of being inserted into the guide body 3 through the insertion port 7 are provided at both ends in the left-right direction at the lower end portion, which is the front end side in the closing direction of the screen body 21. For example, a metal weight body (seat plate) 31 having a left-right direction that contacts the contacted portion 4 when the opening 2 is closed while being guided by the guiding body 3 and moving with the screen body 21 is a screen. The lower end of the body 21 is provided over substantially the entire length.

  The weight body 31 is made of, for example, a non-combustible metal material, and has a substantially rectangular center bar 32 in the left-right direction having a length dimension substantially equal to the length dimension in the left-right direction of the screen body 21. The center bar 32 is accommodated in a bag-like portion 22 formed by folding the lower end of the screen body 21, and the entire center bar 32 is disposed in the bag-like portion 22 of the screen body 21. .

  In addition, the weight body 31 has a pair of front and rear side bars 33 that are substantially rectangular in the left-right direction and have a length dimension that is slightly shorter than the length dimension of the screen body 21 in the left-right direction. The side bar 33 is superposed on the front and rear surfaces of the center bar 32 via the bag-like portion 22, and is fixed to the center bar 32 while being supported from below by a side bar receiver 34 having a substantially U-shaped cross section. It is fixed at 35.

  The weight body 31 includes a center bar 32, a side bar 33, a side bar receiver 34, a fixture 35, and the like. Further, the weight bar insertion portion 30 is an end portion in the left-right direction of the center bar 32. Further, as is apparent from FIG. 5, the left and right end portions of the side bar 33 are slightly separated from the guide body 3, and between the left and right end portions of the side bar 33 and the first plate portion 11 of the guide body 3. The distance L is approximately 30 mm, for example.

  Each of the left and right weight insertion portions 30 of the weight body 31 is engaged with the engagement receiving portion 13 of the guide body 3 when it is bent with the opening 2 closed. One protruding weight retaining body 36 for preventing the weight insertion portion 30 from coming out of the guide body 3 is provided.

  Each weight retaining member 36 is a projecting one that projects in the thickness direction of the screen body 21 from the front and rear surfaces of the weight insertion portion 30 of the weight body 31, such as a bolt 37, a nut 38, and a washer 39. Configured.

  Here, as is apparent from FIGS. 4 to 6, the distance A between the head of the bolt 37 of the weight retaining member 36 and the engagement receiving portion 13 of the guide 3 is normally used for the screen. The distance B is equal to or less than the distance B between the head of the bolt 24 of the retaining body 23 and the engagement receiving portion 13 of the guide body 3. That is, for example, the distance A between the weight retaining body 36 and the guide body 3 is such that the weight retaining body 36 is engaged before the screen retaining body 23 when the weight retaining body 36 is bent in a fire, for example. 13 is shorter than the distance B between the screen retaining body 23 and the guide body 3 so as to engage with the screen 13.

  Further, the distance A between the weight retaining body 36 and the guide body 3 is set such that the side bar 33 does not contact the guide body 3 even when the screen body 21 is shifted to the left or right when the screen body 21 is moved up and down. Furthermore, the distance (for example, approximately 30 mm) L between the side bar 33 and the guide body 3 is shorter.

  Further, the length dimension (for example, the length of the bolt 37) X in the thickness direction of the screen body 21 of the weight retaining body 36 is the thickness direction of the screen body 21 of the screen retaining body 23. Is a length dimension in the front-rear direction (for example, the length of the bolt 24) Y or more. That is, for example, the length dimension X in the protruding direction of the weight retaining body 36 is such that the weight retaining body 36 is engaged with the engagement receiving portion in comparison with the screen retaining body 23 when bent in a fire, for example. The length of the retaining member 23 for the screen is longer than the length dimension Y in the protruding direction so as to be effectively engaged with 13.

  Since the screen body 21 is wound in a substantially cylindrical shape by the winding body, the length dimension Y in the protruding direction of the screen retaining body 23 is preferably set to reduce the winding diameter as much as possible in relation to the winding diameter. However, the length dimension Y is longer than the length dimension (width of the insertion port 7) Z in the front-rear direction of the insertion port 7 of the guide body 3. ing. Since the weight body 31 is set so as not to be wound around the winding body, the length dimension X in the protruding direction of the weight retaining body 36 is different from the screen retaining body 23 in the winding diameter. There are no restrictions on the relationship.

  Next, the operation and the like of the screen device 1 will be described.

  For example, when a fire occurs, the screen body 21 is lowered by its weight based on the weight of the weight body 31 by releasing the brake based on the fire detection signal until the weight body 31 comes into contact with the contacted portion 4. The opening 2 is closed by the screen body 21 and the weight body 31 thus formed.

  When the opening 2 is closed, for example, when heat from fire or wind pressure due to hot air acts on the screen body 21 and the weight body 31 and the screen body 21 and the weight body 31 are bent, The weight retaining body 36 moves toward the engagement receiving portion 13 side of the guide body 3 and engages with a desired portion of the engagement receiving portion 13, and the screen retaining body 23 engages with the guide body 3. It moves toward the receiving portion 13 side and engages with a desired portion of the engaging receiving portion 13, and the weight insertion portion 30 of the weight body 31 is pulled out from the guide body 3 and the screen by these engagements. The insertion part 20 of the body 21 is prevented from coming out of the guide body 3.

  As described above, according to the screen device 1, for example, when the screen body 21 and the weight body 31 are bent during a fire, the screen retaining body 23 is engaged with the engagement receiving portion 13, so that the insertion portion 20 is moved. In order to prevent the weight retaining member 36 from coming out of the guide body 3 and preventing the weight insertion portion 30 from coming out of the guide body 3 by the engagement of the weight retaining body 36 with the engagement receiving portion 13, the screen body 21. The weight insertion portion 20 and the weight insertion portion 30 of the weight body 31 can be kept in the guide body 3, and the closed state of the opening portion 2 can be appropriately maintained, so that it is possible to appropriately prevent the spread of fire.

  Further, since the distance A between the weight retaining member 36 and the guide member 3 is shorter than the distance B between the screen retaining member 23 and the guide member 3, for example, in the event of a fire, the screen retaining member 23 is used. Since the weight retaining body 36 is engaged with the engagement receiving portion 13 of the guide body 3 before the weight body 31, the weight body 31 is prevented from damaging the screen body 21 by dragging the screen body 21 appropriately. it can.

  Further, since the length dimension X in the protruding direction of the weight retaining body 36 is longer than the length dimension Y in the projecting direction of the screen retaining body 23, the weight retaining body 36 can It is possible to effectively prevent the weight insertion portion 30 of the body 31 from coming out of the guide body 3, and the closed state of the opening 2 can be more appropriately maintained.

  In the above embodiment, the configuration in which the distance A between the weight retaining body 36 and the guide body 3 is shorter than the distance B between the screen retaining body 23 and the guide body 3 has been described. A configuration in which the distance B is equal may be used.

  Further, as a configuration in which the distance A is shorter than the distance B, for example, a configuration as shown in FIG. In the configuration shown in FIG. 7, the engagement receiving portion 13 of the guide body 3 includes a screen engagement receiving portion (first engagement receiving portion) 14 and a weight engagement receiving portion that are different in distance from the opening 2. Part (second engagement receiving part) 15. Further, the screen retainer 23 and the weight retainer 36 are provided so that the distance from the opening 2 is the same. The distance A between the weight retaining body 36 and the weight engaging receiving portion 15 is shorter than the distance B between the screen retaining body 23 and the screen engaging receiving portion 14. Yes.

  Further, the length dimension X in the projecting direction of the weight retaining body 36 is not limited to the length dimension Y longer than the length dimension Y in the projecting direction of the screen retaining body 23, and the length dimension X and the length dimension are not limited. A configuration in which Y is equal may be used.

  Further, the screen retainer 23 is not limited to those using bolts 24, nuts 25, etc., but may be ones using pins or plates, etc., and formed integrally with the insertion portion 20 of the screen body 21. You may make it comprise in the protrusion part for retaining.

  Further, the weight retaining member 36 is not limited to the one using the bolt 37, the nut 38, or the like, but may be one using a pin or a plate, and the weight insertion portion 30 of the weight body 31. You may make it comprise in the protrusion part for prevention | prevention formed integrally. For example, a configuration in which the protruding portion formed integrally with the end portion of the center bar 32 is a weight retaining member may be used.

  Furthermore, the configuration is not limited to the configuration in which one weight retaining member 36 is provided in each of the left and right weight insertion portions 30 of the weight body 31, and a plurality of weight insertion portions 30 of the weight body 31 are provided in each weight insertion portion 30. A weight retaining member 36 may be provided.

  Further, the screen retaining body 23 and the weight retaining body 36 are not limited to protrusions projecting in the thickness direction of the screen body 21 from the front and rear surfaces of the insertion portion 20 and the weight insertion portion 30. Further, it may be provided so as to protrude from the front side only or the rear side only in the thickness direction of the screen body 21, and the corresponding engagement receiving portion 13 of the guide body 3 is not a pair, but the retaining body 23. , 36 may be a guide provided only on the surface on the side from which it protrudes.

  Further, the screen device 1 is not limited to the one having its own weight lowered, and may be a manual type or an electric type in which the opening / closing body is moved up and down by a driving means such as a motor.

It is a front view which shows one Embodiment of the screen apparatus of this invention. It is a fragmentary perspective view of a screen apparatus same as the above. It is a partial side view of a screen apparatus same as the above. It is a partial front view of a screen apparatus same as the above. It is a top view of the retaining member for screens of a screen apparatus same as the above. It is a top view of the retaining body for weights of a screen apparatus same as the above. It is a partial front view which shows other embodiment of the screen apparatus of this invention.

Explanation of symbols

1 Screen device 2 Opening 3 Guide body
13 Engagement receiver
20 Insertion section
21 screen
22 bag-shaped part
23 Screen retainer
30 Weight insertion part
31 weight
32 center bar
33 Sidebar
34 side bar holder
36 Retaining body for weight

Claims (6)

Have a engagement receiving portion, and a vertical elongated left and right pair of guide members positioned spaced opposed to each other via an opening,
An insertion portion which is located the guide body in the lateral direction both end portions, a flexible screen body for opening and closing the opening by moving in the vertical direction along the opening while being guided by the guide member When,
A screen retaining body that is provided in the insertion portion of the screen body and prevents the insertion portion from coming out of the guide body by engagement with the engagement receiving portion of the guide body;
Provided at the lower end is a closing movement direction front end side of the screen body, a weight body having a weight insertion portion located on the guide body in the lateral direction both end portions,
A weight retaining body that is provided in the weight insertion portion of the weight body and prevents the weight insertion portion from coming out of the guide body by engagement with the engagement receiving portion of the guide body; equipped with a,
The weight body is
A longitudinal center bar in the left-right direction having a length dimension substantially equal to the length dimension in the left-right direction of the screen body;
A pair of front and rear side bars that are fixed to the front and rear surfaces of the center bar and have a length that is shorter than the length of the screen body in the left-right direction;
Both the left and right end portions of the center bar are located in the guide body and serve as the weight insertion portion,
The left and right ends of the side bar are separated from the guide body,
The distance between the weight retaining body and the engagement receiving portion is normally equal to or less than the distance between the screen retaining body and the engagement receiving portion, and the screen body A screen device characterized by being shorter than a distance between the side bar and the guide body so that the side bar does not come into contact with the guide body even when the screen body is shifted left and right during movement . The thickness direction of the length dimension of the screen of the weight coming off preventing member is No mounting claim 1 Symbol, characterized in that at least the length dimension in the thickness direction of the screen body of the screen for retaining body Screen device. A plurality of screens for retaining body, screen device according to claim 1 or 2, wherein along the longitudinal direction of the insertion portion into the insertion portion of the screen body, characterized in that it is arranged at a distance from each other. It has a winding body that winds up the screen body so that it can be rewound.
The weight body is set so as not to be wound around the wound body.
The screen device according to claim 1, wherein the screen device is a screen device. The center bar is accommodated in a bag-like portion formed by folding the lower end of the screen body.
The screen device according to claim 1, wherein the screen device is a screen device. The side bar is superimposed on the front and rear surfaces of the center bar via a bag-shaped portion, and is supported from below by a side bar receiver having a substantially U-shaped cross section.
The screen device according to claim 5.

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