JP5458930B2 - Door equipment - Google Patents

Description

  The present invention relates to a door device capable of resisting an upward prying force.

  As a prying prevention device and an automatic door equipped with the same, the one disclosed in Patent Document 1 has been proposed. This prying prevention device will be described with reference to FIG. An engagement fitting 72 having an inverted T shape is attached to the lower end of the slide door 71. On the other hand, an accommodation groove m for guiding the lower end portion of the slide door 71 is formed on the floor surface. An engaged metal fitting 73 having a C-shaped cross section is fixed to the housing groove m. When the sliding door 71 is moved to a position for closing the entrance of the building, the engagement fitting 72 enters the engagement fitting 73 and the lower surfaces of the left and right upper plate portions 73a of the engagement fitting 73. A pair of left and right flange portions 72a at the lower end of the engagement metal fitting 72 correspond to each other. For this reason, even if the tip of the bar is inserted into a gap formed between the lower end surface of the slide door 71 and the floor surface and the slide door 71 is lifted by the bar, the flange of the engagement fitting 72 The portion 72 a is engaged with the upper plate portion 73 a of the metal fitting 73 to prevent the sliding door 71 from being lifted upward.

Japanese Patent Laying-Open No. 2005-273172 (see paragraphs 0030 to 0038 of FIG. 2 and FIG. 2)

  In the above-described apparatus for preventing the opening of the sliding door 71 from being pegged, since the engaging metal fitting 72 and the engaged metal fitting 73 are accommodated in the accommodating groove m whose volume is restricted, the engaging metal fitting 72 and the engaged metal fitting 73 are accommodated. There was a limit to increasing the wall thickness of these materials to increase their rigidity. Further, since the tip end portion of the upper plate portion 73a of the metal fitting 73 and the flange portion 72a of the engagement metal fitting 72 are cantilevered, when the flange portion 72a is pressed against the upper plate portion 73a, the flange portion 72a and the upper board part 73a are easy to deform | transform centering on those root parts. For this reason, there existed a problem that the slide door 71 could be lifted up easily and opened. In addition, dust or the like easily enters the engaged metal fitting 73, and the clearance between the upper plate portions 73a is narrow.

  An object of the present invention is to provide a door device that solves the above-described problems in the prior art and can prevent the opening of the sliding door even when a lifting load is applied to the sliding door.

In order to solve the above problems, the invention according to claim 1 is a door device in which a slide door is suspended along a door rail so as to be reciprocable in a horizontal direction, and is fixed to a building above the slide door. between the sliding door and a fixed member that is, a blocking means for preventing upward movement of the sliding door closed is provided, wherein the blocking means comprises a blocking member attached to the fixed member, the slide A blocking member attached to the upper end of the door, and the blocking member has an engagement groove formed on a lower surface thereof. The blocking member is a long convex member extending in the opening / closing direction of the sliding door. The gist of the present invention is that it has a part shape and can enter the engagement groove so as to be movable in the opening and closing direction . Here, “inhibiting the movement of the sliding door” means that the gap between the sliding door and the floor surface is prevented from being enlarged in order to prevent the sliding door from being opened.

According to a second aspect of the invention, according to claim 1, wherein A blocking member and the object to be blocking member is summarized in that a non-contact state.
According to a third aspect of the present invention, in the first or second aspect , a slide door is installed inside the fixed panel, and the slide door is closed between the fixed panel and the slide door. The gist is that a shielding plate for shielding the gap is provided, and a shielding plate for shielding the gap between the upper end portion of the sliding door and the passage forming member constituting the inner top surface of the passage is provided.

According to a fourth aspect of the present invention, in any one of the first to third aspects, a plate-shaped guided member is attached to a lower end surface of the slide door so as to extend downward, and the guided member The gist of the invention is that the surface is provided with a bracing member whose position is regulated by both side surfaces of the guide groove on the floor surface.

(Function)
In the present invention, since the blocking means is provided on the fixing member so as to be positioned above the upper end surface of the slide door, the blocking means can be installed in a wide installation space. For this reason, the blocking means can be constituted by a highly rigid member having a thick wall size. Therefore, even if a tool for prying into the gap formed between the lower surface of the sliding door and the floor surface is inserted and a strong upward load is applied to the sliding door, the upper end surface of the sliding door is moved upward. The movement is blocked by the blocking means, and the sliding door is prevented from being opened.

  According to the present invention, even if a strong lifting load acts on the sliding door, the sliding door can be prevented from being opened.

1 is a partially omitted longitudinal sectional view showing an embodiment of a door device according to the present invention. FIG. The expanded plane sectional view of a door device. The partial omission perspective view of a slide door. The principal part longitudinal cross-sectional view which shows another embodiment of the door apparatus of this invention. The principal part longitudinal cross-sectional view which shows another embodiment of the door apparatus of this invention. The longitudinal cross-sectional view which shows the prying open prevention apparatus of the conventional door apparatus.

Hereinafter, an embodiment of an automatic door device embodying the present invention will be described with reference to FIGS.
First, a schematic configuration of the door device will be described with reference to FIGS. As shown in FIG. 2, a pair of left and right support columns 11, 12 are erected between a floor surface F and an upper floor beam 13. A pair of left and right fixed panels 14 and 15 are fixed to the inner sides of the columns 11 and 12 facing each other. A passage T is formed between the fixed panels 14 and 15 as shown in FIG. A pair of left and right sliding doors 16 and 17 are installed between the fixed panels 14 and 15 so as to open and close the passage T.

  A first support frame 18 and a second support frame 19 of a building made of an angle material are bridged at an upper position between the support columns 11 and 12 so as to be positioned immediately below the beam 13 on the upper floor and at two upper and lower positions. Has been. A fixed substrate 20 as a fixing member is fixed to the first and second support frames 18 and 19 so as to close a space between the panels 14 to 17 and the beam 13 on the upper floor. A guide mechanism 21 for guiding the movement of the slide doors 16, 17 is installed between the fixed substrate 20 and the slide doors 16, 17. Further, a blocking means 22 for blocking the upward movement of the sliding doors 16 and 17 is installed between the sliding doors 16 and 17 and the fixed substrate 20. A drive mechanism 23 is provided between the fixed substrate 20 and the guide mechanism 21 for reciprocating the slide doors 16 and 17 in the horizontal direction.

  As shown in FIG. 1, a guide member 25 having a guide rail 25a is fixed to the fixed substrate 20 so as to extend in the horizontal direction. A suspension fitting 27 is supported on the guide rail 25a by a roller 26 so as to be movable. A bracket 29 is fixed to the lower part of the hanging metal fitting 27 via a spacer 28. Slide doors 16 and 17 are fixed to the lower part of the bracket 29 in a suspended state.

  As shown in FIG. 1, a storage groove m is formed on the floor surface F corresponding to the lower ends of the slide doors 16 and 17, and a guide rail 31 having a guide groove 31a is stored in the storage groove m. Yes. A guided member 32 is connected to the lower surfaces of the slide doors 16 and 17, and a bracing member 33 is connected to both the left and right sides by bolts. The bracing member 33 is accommodated in the guide groove 31a of the guide rail 31, and the guided member 32 and the bracing member 33 are guided and moved along the extending direction of the guide groove 31a.

  Below the guide member 25, an attachment substrate 35 is fixed to the fixed substrate 20, and a rail-like blocking member 36 is fixed to the lower surface of the horizontal plate portion 35a. A guide groove 36 a is formed on the lower surface of the blocking member 36. A mounting plate 38 is fixed to the lower portion of the bracket 29 by bolts, and a long blocked member 39 capable of entering the guide groove 36a is fixed to an end edge of the mounting plate 38.

As shown in FIG. 1, the lower ends of the fixed panels 14 and 15 are engaged with engagement grooves k formed on the floor surface F.
As shown in FIG. 1, a frame body 41 having a length corresponding to the entire width of the passage T is fixed to the lower surface of the second support frame 19. The first and second support frames 18 and 19 are provided with a cover 42 that shields various components such as the fixed substrate 20, the guide mechanism 21 and the blocking means 22. The horizontal plate portion 42 a below the cover 42 is horizontally disposed so as to cover the lower surface of the frame body 41. The upper end surfaces of the fixed panels 14 and 15 are joined to the lower surface of the horizontal plate portion 42a. The horizontal plate portion 42a is a passage forming member that forms the upper end surface of the passage T.

  A first shielding plate 41a having an L-shaped cross section is formed on the edge of the frame body 41 on the slide doors 16 and 17 side. A second shielding plate 43 having an inverted L-shaped cross section is joined to the upper end surfaces of the sliding doors 16 and 17. And the 1st shielding board 41a and this 2nd shielding board 43 are wrapped in the left-right direction of FIG. 1, and the clearance gap S1 between the frame 41 and the slide doors 16 and 17 is shielded.

  As shown in FIG. 3, at the end of the fixed panels 14 and 15 on the passage T side, a bulging portion 51 for narrowing a gap S2 between the fixed panels 14 and 15 and the slide doors 16 and 17 is provided. Is formed to extend in the vertical direction. A third shielding plate 52 having an L-shaped cross section is formed at the corners of both bulging portions 51 so as to extend in the vertical direction. As shown in FIG. 3, a fourth shielding plate 53 having an L-shaped cross section in FIG. 3 is joined to the end surfaces of the slide doors 16 and 17 on the side of the columns 11 and 12. And the 3rd shielding board 52 and the 4th shielding board 53 are wrapped, and the clearance gap S2 between the fixed panels 14 and 15 and the slide doors 16 and 17 is shielded. For this reason, insertion of a tool such as a driver into the gaps S1 and S2 is prevented to improve crime prevention.

Next, the drive mechanism 23 will be described.
As shown in FIG. 2, a motor 57 is attached to the fixed substrate 20, and a driving sprocket wheel 58 connected to a rotation shaft of the motor 57 and a driven sprocket wheel 59 supported on a side surface of the fixed substrate 20. The chain 60 is hung on the top. A suspension fitting 27 of one slide door 16 is connected to the upper extending portion of the chain 60. The hanging metal fitting 27 of the other sliding door 17 is connected to the lower extending portion of the chain 60. The chain 57 is rotated by the motor 57, and the sliding doors 16 and 17 are opened or closed.

Next, the operation of the door device configured as described above will be described.
As shown in FIGS. 2 and 3, when the passage T is closed by the slide doors 16 and 17, the guide grooves 36a of the blocking member 36 are formed in the upper ends of the slide doors 16 and 17 as shown in FIG. The attached blocked member 39 is inserted. For this reason, even if a bar end, for example, is inserted into the gap between the lower end surface of the slide door 16 and the upper surface of the guide rail 31 and a strong lifting load acts on the slide door 16, the guide groove 36a of the blocking member 36 The upper surface of the blocked member 39 comes into contact with the inner top surface, and the upward movement of the slide door 16 is blocked. Therefore, the sliding door 16 can be prevented from being pry open. Further, since the blocked member 39 is inserted into the guide groove 36a of the blocking member 36, even if a large load in the out-of-plane direction perpendicular to the front and back surfaces of the slide doors 16 and 17 is applied, The movement of the lower side of the slide doors 16 and 17 is blocked by the contact with the stop member 33, and the side surface of the blocked member 39 contacts the side surface of the guide groove 36 a of the blocking member 36, so Movement in the out-of-plane direction on the upper side of the plate is also prevented.

According to the sliding door of the said embodiment, the following effects can be acquired.
(1) In the above embodiment, as shown in FIG. 1, the blocking means 22 can be installed in a wide space above the slide doors 16 and 17, and the mounting board 35, blocking member 36, mounting plate 38, and cover. Rigidity can be increased by increasing the thickness of each member such as the blocking member 39 or increasing the shape. Therefore, even if a strong lifting load is applied to the slide doors 16 and 17, the blocking means 22 can block the upward movement of the slide doors 16 and 17, and the sliding doors 16 and 17 can be prevented from being opened.

  (2) In the above embodiment, since the blocked member 39 enters the guide groove 36a of the blocking member 36, a strong load in the out-of-plane direction perpendicular to the front and back surfaces of the slide doors 16 and 17 acts. However, by bringing the blocked member 39 into contact with the side surface of the guide groove 36a, the movement of the blocked member 39 in the same direction is blocked together with the contact of the guide groove 31a and the anti-vibration member 33. , 17 can be prevented from moving.

  (3) In the above embodiment, as shown in FIG. 1, the blocking means 22 exists above the slide doors 16, 17, and the blocking means 22 is shielded by the cover 42, and the guide groove of the blocking member 36. 36a is opened downward. For this reason, dust or the like does not enter the guide groove 36a of the blocking member 36, and the cleaning work of the blocking means 22 can be made unnecessary. Moreover, since the upper end opening of the guide groove 31a can be widened, the cleaning operation in the guide groove 31a is easy.

  (4) In the above embodiment, in the closed state of the passage T of the slide doors 16 and 17, as shown in FIG. 1, the second shielding plate 43 is opposed to the first shielding plate 41 a of the frame body 41, thereby The clearance S1 between 41 and the sliding doors 16 and 17 was shielded. Further, as shown in FIG. 3, the third shielding plate 52 and the fourth shielding plate 53 are made to face each other to shield the gap S2 between the fixed panels 14 and 15 and the slide doors 16 and 17, and the intrusion of the driver or the like The insertion of tools for use was prevented. For this reason, crime prevention can be improved.

  (5) In the above embodiment, since the guide member 31 connected to the lower part of the slide doors 16 and 17 is accommodated in the guide groove 31a of the guide rail 31 provided on the floor F, the slide door 16, The lower part of the sliding doors 16 and 17 can be stably guided and moved during the opening and closing operation of 17.

In addition, you may change the said embodiment as follows.
As shown in FIG. 5, the horizontal plate portion 35 a of the mounting substrate 35 attached to the fixed substrate 20 is brought close to the upper surface of the lower horizontal plate portion 29 a of the bracket 29 to correspond to it. When the slide doors 16 and 17 are moved upward, the lower horizontal plate portion 29a of the bracket 29 abuts against the horizontal plate portion 35a of the mounting substrate 35 and the slide doors 16 and 17 are moved upward. You may make it stop. In this embodiment, since the blocking member 36 and the blocked member 39 are unnecessary, the number of parts of the blocking means 22 can be reduced and the structure can be simplified.

  As shown in FIG. 6, the guide member 25 is provided with a pair of upper and lower guide rails 25a and 25b. When the sliding doors 16 and 17 receive a strong load in the upward direction, the rollers 26 may contact the upper guide rail 25b to prevent the sliding doors 16 and 17 from being opened. In this embodiment, since the mounting substrate 35 is also unnecessary, the number of parts can be further reduced as compared with the respective embodiments.

  The present invention may be embodied in a suspension type door device such as an automatic door or a manual door in which one of the slide doors 16 and 17 is omitted.

  k ... engaging groove, T ... passage, S1, S2 ... gap, 14, 15 ... fixed panel, 16, 17 ... sliding door, 22 ... blocking means, 32 ... guided member, 33 ... anti-vibration member, 36 ... blocking Member, 39: blocked member.

Claims (4)

A door device in which a sliding door is suspended along a door rail so as to reciprocate in a horizontal direction,
Wherein above the sliding door between the fixed member fixed to the building and the sliding door is provided with a blocking means for preventing upward movement of the sliding door closed,
The blocking means includes a blocking member attached to the fixing member, and a blocked member attached to the upper end of the sliding door,
The blocking member has an engagement groove formed on the lower surface,
The door member has a long convex shape extending in an opening / closing direction of the slide door, and is capable of entering the engagement groove so as to be movable in the opening / closing direction . According to claim 1, wherein said blocking member and the blocking member, the door device, characterized in that the non-contact state. In Claim 1 or 2 , a sliding door is installed inside the fixed panel, and a shielding plate is provided to shield a gap between the fixed panel and the sliding door in a state where the sliding door closes the passage. A door device comprising a shielding plate that shields a gap between an upper end portion of the slide door and a passage forming member constituting the inner top surface of the passage. In any one of claims 1 to 3, a lower end surface of the sliding door is mounted so that plate-shaped guided member extending downward, on the surface of the該被guide member floor guide groove of A door device characterized in that a bracing member whose position is regulated by both side surfaces is attached.

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