JP2005180084A - Shutter device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enlarge an effective opening of a opening part by eliminating a dead space in a shutter device. <P>SOLUTION: This shutter device is equipped with a guide rail 7 which is attached to a member 16 adjacent to the opening 3, a shutter curtain 8 which is movably provided along the guide rail, an auxiliary member 19 which is rotatably attached to the member and which covers an end of the shutter curtain, and an auxiliary-member fixing means 22 for keeping the auxiliary member in a closed state, and the auxiliary member recedes from the opening part in the state of being opened. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a shutter device, particularly an overhead door, provided at an opening such as a doorway of a building structure such as a building.

    There is a shutter device as an opening / closing means for opening and closing an entrance / exit of a building structure such as a building, an opening such as a window, a container of a vehicle, an opening of a loading platform, etc., and an overhead door is one of the shutter devices. The overhead door includes a shutter curtain connecting a plurality of panels, and is configured to move the shutter curtain up and down along a guide rail.

  A conventional overhead door will be described with reference to FIGS.

  In the figure, 1 is a building, 2 is a housing such as a wall, and 3 is an opening which is an entrance.

  A side column 4 is provided along the housing 2, and a side frame 5 is provided across the side column 4 and the housing 2.

  A guide rail support member 6 is attached to the side column 4 toward the indoor side, and a guide rail 7 extending in the vertical direction is fixed to the guide rail support member 6.

  The shutter curtain 8 is configured by connecting a panel 9, and a roller support member 11 is attached to the inside of the end chamber of the panel 9, and a guide roller 12 rotates via a shaft 13 on the roller support member 11. It is provided freely.

  The guide roller 12 is movably fitted to the guide rail 7, and when the shutter curtain 8, that is, the panel 9, moves up and down, the guide roller 12 rolls up and down in the guide rail 7. The panel 9 is guided by the guide rail 7 and moved up and down.

  The end portion of the panel 9 and the side frame 5 overlap each other, and a sealing material 14 is provided on the indoor side inner edge of the side frame 5, and the sealing material 14 is in a closed state of the shutter curtain 8. The shutter curtain 8 is elastically in contact with the front surface of the shutter curtain 8, and the end portion of the shutter curtain 8 is hermetically sealed to prevent blowing of wind and rain from the end portion.

  A wire rope (not shown) is engaged with the lower end of the shutter curtain 8, the wire rope is wound around a drum 15, and the drum 15 is urged in a winding direction by a balance spring (not shown). Yes. Due to the biasing of the balance spring, the shutter curtain 8 can be opened and closed with a light force.

  The above-described conventional overhead door is disclosed in Patent Document 1, for example.

  However, in such a conventional overhead door, the sealing material 14 is provided to ensure the airtightness of the shutter curtain 8, and the panel 9 and the side frame 5 overlap to provide the sealing material 14. For this reason, as shown in FIG. 9, a dead space corresponding to L was generated, and the opening W was reduced by that amount.

JP-A-8-13950

  In view of such circumstances, the present invention is intended to eliminate the dead space and increase the effective opening of the opening in the shutter device.

  The present invention provides a guide rail attached to a member adjacent to the opening, a shutter curtain movably provided along the guide rail, and rotatably attached to the member to cover an end of the shutter curtain. An auxiliary member and auxiliary member fixing means for maintaining the auxiliary member in a closed state are provided, and the auxiliary member relates to a shutter device that retracts from the opening when the auxiliary member is in an open state. And a sealing device in which the sealing member elastically contacts the end of the shutter curtain when the auxiliary member is closed, and the sealing material is separated from the shutter curtain when the shutter curtain is opened and closed. The present invention relates to a shutter device that rotates at a high speed.

  According to the present invention, the guide rail attached to the member adjacent to the opening, the shutter curtain provided movably along the guide rail, and the end of the shutter curtain rotatably attached to the member And an auxiliary member fixing means for maintaining the auxiliary member in a closed state, and the auxiliary member is retracted from the opening when the auxiliary member is in an open state, so that the effective opening of the opening is increased. And space can be used effectively.

  Further, according to the present invention, there is provided a shutter device having improved airtightness since a sealing material is provided on the auxiliary member, and the sealing material elastically contacts the end of the shutter curtain when the auxiliary member is closed. it can.

  Furthermore, according to the present invention, when the shutter curtain is opened and closed, the seal material rotates so as to be separated from the shutter curtain. Therefore, sliding between the seal material and the shutter curtain is reduced, wear due to friction is reduced, and the seal Excellent effects such as increased durability of the material.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  The first embodiment will be described with reference to FIGS.

  1 and 3 correspond to the views taken along the line B-B in FIG. 8, and the same components as those shown in FIG. 9 are denoted by the same reference numerals. 1 to 3 show only one side portion adjacent to an opening of an overhead door that is a shutter device.

  An opening 3 is provided in the housing 2, and a side column 16 is provided in the housing 2 in contact with the opening 3. The side column 16 has a hollow cross section, and a stepped portion 17 extending in the vertical direction is formed on an indoor side edge adjacent to the opening 3, and the guide rail 7 connects the stepped portion 17 to the stepped portion 17. It is installed to satisfy.

  The shutter curtain 8 is configured by a panel 9 being connected so as to be freely bent. A shaft 13 protruding in the horizontal direction is fixed to each panel 9, and a guide roller 12 is rotatably provided at a tip portion of the shaft 13. Yes. The guide roller 12 is fitted to the guide rail 7 so as to be capable of rolling, and the panel 9 is guided by the guide rail 7 via the guide roller 12 and can be moved up and down.

  An auxiliary member 19 is rotatably attached to the side column 16 via a hinge 21. The auxiliary member 19 has a length similar to that of the side column 16, has a hollow cross section, has a rectangular shape, and in the state of being in close contact with the surface of the side column 16 adjacent to the opening 3, The outdoor side surface of the column 16 and the outdoor side surface of the auxiliary member 19 are flush with each other. Although not shown in the figure, the hinge 21 incorporates a spring and urges the auxiliary member 19 to rotate in the opening direction (clockwise in FIG. 1).

  At least one of the lower end portion and the upper end portion (lower end portion in the drawing) of the auxiliary member 19 is provided with an auxiliary member fixing tool 22 that is a means for fixing the auxiliary member 19 in a closed state.

  The auxiliary member fixture 22 includes a rod holder 23 fixed to the side surface of the opening of the auxiliary member 19, and a rod 24 fitted to the rod holder 23 and slidable in the vertical direction. The holder 23 is formed with a U-shaped groove 25 extending in the vertical direction, and a lever 26 protruding from the rod 24 is movable in the groove 25. Thus, the rod 24 moves in the vertical direction by moving the lever 26 up and down, and the position is maintained by rotating the lever 26 in the horizontal direction at the upper end and the lower end. The floor surface 20 is provided with a fixing hole 27 so as to match the position of the rod 24 when the auxiliary member 19 is closed, and the lower end portion of the rod 24 can be fitted into and removed from the fixing hole 27. Yes.

  A sealing material 14 is provided on the inner edge of the auxiliary member 19 on the indoor side, and the sealing material 14 is in elastic contact with the front surface of the shutter curtain 8 when the shutter curtain 8 is closed. The space between the end portion of the shutter curtain 8 and the auxiliary member 19 is hermetically sealed to prevent blowing of wind and rain from the end portion. The sealing material 14 is provided for the purpose of improving the airtightness and watertightness of the shutter curtain 8 in the closed state and the effect of improving the appearance and heat insulation, and preferably the shutter curtain 8 in the closed state. It is good to provide in series so that the substantially full length of an edge part may be covered.

  Although not shown, a sealing member is provided between the auxiliary member 19 and the side column 16, and the auxiliary member 19 and the side column 16 are closed when the auxiliary member 19 is closed. It is designed to be airtight.

  When the shutter curtain 8 is in the closed state, the auxiliary member 19 is also closed, and the rod 24 is fitted in the fixing hole 27.

  When the shutter curtain 8 is opened, the rod 24 is pulled up through the lever 26, the lever 26 is rotated, and the lever 26 is maintained in the pulled-up state. The auxiliary member 19 is rotated in the opening direction by a spring built in the hinge 21 so that the auxiliary member 19 is retracted from the opening 3 and moved to the side of the opening 3 as shown in FIG. To do.

  Thus, the shutter curtain 8 is moved up and down. Since the sealing material 14 escapes to the side of the opening 3 when the shutter curtain 8 is raised and lowered, there is no sliding between the sealing material 14 and the panel 9 and wear of the sealing material 14 is avoided.

  The auxiliary member 19 may be opened after the shutter curtain 8 is raised.

  When the auxiliary member 19 is in the open state, the space occupied by the auxiliary member 19 in the opening 3 is opened, and the dead space (that is, the panel 9 necessary for sealing with the sealing material 14) The overlap portion with the auxiliary member 19 is eliminated, and the opening 3 can be used largely.

  The closing operation of the shutter curtain 8 and the closing operation of the auxiliary member 19 are performed by reversing the above procedure.

  In the first embodiment, the side column 16 is not formed with the step portion 17, the side column 16 has a rectangular cross section, and the guide rail 7 is formed in the opening 3 of the side column 16. You may attach to the surface which touches.

  FIG. 4 shows a second embodiment. In FIG. 4, the same components as those shown in FIG. 1 are denoted by the same reference numerals, and FIG. 4 shows the closed state of the auxiliary member 19. .

  In the second embodiment, an auxiliary member fixture 28 is used as means for fixing the auxiliary member 19. The hinge 21 is omitted, and the hinge 21 has a built-in spring that urges the auxiliary member 19 to rotate in the opening direction (clockwise in FIG. 4), as in the first embodiment. Yes.

  The auxiliary member fixture 28 is provided on at least one of the upper end portion and the lower end portion of the auxiliary member 19.

  A cylinder key 29 is provided so as to penetrate the auxiliary member 19 from the outdoor side to the indoor side. A key shaft 30 protrudes from the indoor side, and a key plate 32 is fixed to the tip of the key shaft 30. A key holder 33 is provided on the outdoor side of the lowermost panel 9 of the shutter curtain 8, and is set so that the key holder 33 faces the key shaft 30 when the shutter curtain 8 is closed. Yes.

  The hinge 21 and the cylinder key 29 are displaced in the vertical direction so that they do not interfere with each other.

  With the shutter curtain 8 lowered and the opening 3 closed, the auxiliary member 19 is closed, a key (not shown) is inserted into the cylinder key 29, and the key shaft 30 is rotated. The key plate 32 and the key holder 33 are engaged.

  Due to the engagement between the key plate 32 and the key holder 33, the rotation of the auxiliary member 19 is restricted, and the closed state of the auxiliary member 19 is maintained, and the shutter curtain 8 has the key holder 33 and the key plate 32. The movement in the vertical direction is constrained by the engagement with and locked.

  In addition, if a slit hole 34 is formed at a position facing the key plate 32 on the side surface of the opening of the side column 16, the key plate 32 can be rotated by rotating the key shaft 30 180 degrees from the illustrated state. Is inserted into the slit hole 34, the rotation of the auxiliary member 19 is restrained, the locked state of the shutter curtain 8 is released, and the shutter curtain 8 can be opened and closed with the auxiliary member 19 closed. .

  Next, when the opening 3 is to be completely released, the lock shaft 30 is rotated by 90 ° from the illustrated state to release the locked state of the shutter curtain 8 and the closed state of the auxiliary member 19. The auxiliary member 19 is rotated in the opening direction by the biasing force of the spring (see FIG. 3).

  FIG. 5 shows a third embodiment. In FIG. 5, the same components as those shown in FIG.

  In the third embodiment, a spring (not shown) built in the hinge 21 urges the auxiliary member 19 to rotate in the closing direction.

  A magnet 35 is attached to a required position on the outdoor side surface of the auxiliary member 19, and a magnetic adsorption plate 36 such as an iron plate is attached to the outdoor side surface of the side column 16. The suction plate 36 is disposed at a position that matches the magnet 35 when the auxiliary member 19 is rotated to the open state.

  The closed state of the auxiliary member 19 is maintained by a spring built in the hinge 21. Therefore, in the case of the third embodiment, the spring built in the hinge 21 functions as auxiliary member fixing means. The open state of the auxiliary member 19 is maintained by attracting the magnet 35 and the attracting plate 36 by attracting the magnet 35 and the attracting plate 36 by completely opening the assisting member 19.

  Thus, both the opening state and the closing state of the auxiliary member 19 can be changed by one operation, which is extremely simple.

  If the side column 16 is made of steel or the like, the suction plate 36 can be omitted.

  Further, the rotation of the auxiliary member 19 and the raising / lowering of the shutter curtain 8 are interlocked, the auxiliary member 19 is rotated in the opening direction by raising the shutter curtain 8, and the auxiliary member 19 is moved by lowering the shutter curtain 8. You may make it rotate in a closing direction.

  Various auxiliary member fixing means other than the auxiliary member fixing tool 22, the auxiliary member fixing tool 28, and the like can be considered. The steel ball is urged in a protruding direction by a spring, and a recess is formed on the floor surface 20 so that the steel ball can be fitted and removed. You may make it maintain.

  6 and 7 show a fourth embodiment. 6 and 7, the same components as those shown in FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted.

  In the fourth embodiment, the sealing between the side column 16 and the auxiliary member 19 is improved, and stepped portions 16 a and 19 a are formed on the contact surfaces of the side column 16 and the auxiliary member 19. It is.

  By forming the step portions 16a and 19a, airtightness, that is, airtightness and watertightness are improved. Furthermore, light leakage from the gap between the side column 16 and the auxiliary member 19 can be prevented.

  Instead of the stepped portions 16a and 19a, a groove may be formed on one of the joint surfaces of the side column 16 and the auxiliary member 19, and a protrusion that fits into the groove may be formed on the other joint surface.

  In the present invention, the side pillar 16 may be omitted, and the guide rail 7 may be directly attached to the housing 2. In this case, the auxiliary member 19 is attached to the housing 2.

  Needless to say, the shutter curtain 8 is not limited to the one that opens and closes and opens and closes, but can be applied to a shutter device that slides horizontally or obliquely. Furthermore, when the airtightness is not required, the sealing material 14 may be omitted.

It is a plane sectional view showing the important section of a 1st embodiment of the present invention. It is an AA arrow line view of FIG. It is a plane sectional view showing the important section of a 1st embodiment of the present invention. It is a plane sectional view showing the important section of a 2nd embodiment of the present invention. It is a plane sectional view showing an important section of a 3rd embodiment of the present invention. It is a plane sectional view showing an important section of a 4th embodiment of the present invention. It is a plane sectional view showing an important section of a 4th embodiment of the present invention. It is a side view which shows a prior art example. It is a BB arrow line view of FIG.

Explanation of symbols

7 Guide rail 8 Shutter curtain 9 Panel 14 Sealing material 16 Side pillar 17 Stepped portion 21 Hinge 22 Auxiliary member fixture 24 Rod 27 Fixing hole 28 Auxiliary member fixture 29 Cylinder key 32 Key plate 33 Key holder 35 Magnet

Claims (3)

  A guide rail attached to a member adjacent to the opening, a shutter curtain movably provided along the guide rail, an auxiliary member attached to the member to be rotatable and covering an end of the shutter curtain, A shutter device, comprising: an auxiliary member fixing means for maintaining the auxiliary member in a closed state, wherein the auxiliary member is retracted from the opening when the auxiliary member is in an open state.   The shutter device according to claim 1, wherein a sealing material is provided on the auxiliary member, and the sealing material elastically contacts an end portion of the shutter curtain when the auxiliary member is in a closed state.   The shutter device according to claim 2, wherein when the shutter curtain is opened and closed, the sealing material rotates so as to separate from the shutter curtain.

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