JP6315342B2 - Door device for elevator - Google Patents

Description

  The present invention relates to an elevator door device, and more specifically, smoke generated during a fire or the like flows between a car hoistway and a car or between a car hoistway and a building hierarchy. The present invention relates to a door device for an elevator provided with a smoke shielding member to prevent.

  2. Description of the Related Art Conventionally, an elevator includes a door device for an elevator (hereinafter referred to as a door device) that opens and closes an entrance / exit of a hall or an entrance / exit of a car.

  As shown in FIG. 7, the door device includes a sill 90 having a guide groove 900 formed in a lower surface and extending in a first direction, a door panel 91 disposed on the sill 90 and capable of opening and closing an entrance and exit, A bracket 92 that extends in one direction and is attached to one surface of a door panel 91 on the car hoistway side, and a plurality of shims 93 that are spaced apart in the first direction, each overlapping with the bracket 92 A plurality of shims 93 and a pair of arms 94 arranged at intervals in the first direction, the mounting portion 940 being attached to the bracket 92 via the shim 93 and the threshold 90 from the mounting portion 940 A pair of arms 94 having extending portions 941 extending downward, and guide grooves 90 of the sill 90 attached to the extending portions 941 of the arms 94. And a pair of guide shoes 95 disposed within (e.g., Patent Document 1).

  In this type of door device 9, as shown in FIG. 8, it occurs during a fire or the like between the car hoistway and the inside of the car or between the car hoistway and the building hierarchy (landing). Some have a smoke shielding member 96 that prevents the smoke from flowing through.

  The smoke shielding member 96 closes between the attachment portions 940 of the pair of arms 94 and 94, and is fixed to the bracket 92 via a shim 93 on which the arms 94 are overlapped, and the pair of arms. 94, 94 between the extended portions 941, and a smoke shield 97 having a second smoke shield 971 extending from the first smoke shield 970 toward the lower side of the sill 90, and the smoke shield 97 A seal body 98 is provided over the entire region of the tip of the second smoke shield 971 and is in close contact with the surface defining the guide groove 900 of the sill 90.

  In the smoke shielding member 96 having the above-described configuration, the smoke shielding body 97 closes the entire area between the pair of arms 94, 94, and between the tip of the smoke shielding body 97 and the lower surface of the sill 90, and a pair of guide shoes The seal body 98 closes the entire area between 95 and 95.

  As a result, the door device 9 of this type is in a state in which a gap formed between the sill 90 and the bracket 92 and opening toward the hoistway is covered with the smoke shielding member 96, and the hoistway and the car of the car are covered. It is said that smoke generated in the event of a fire or the like can be prevented from flowing between the inside or between the car hoistway and the building level (the landing).

  By the way, in the door device 9 having the above-described configuration, as described above, the smoke shield 97 (first smoke shield portion 970) of the smoke shield member 96 is fixed to the bracket 92 via the shim 93 on which the arm 94 is overlapped. Therefore, a gap corresponding to the thickness of the shim 93 is formed between the smoke shield 97 (first smoke shield 970) and the bracket 92.

  Therefore, in the conventional door device 9, smoke generated at the time of a fire or the like passes through a gap between the smoke shield 97 (first smoke shield part 970) and the bracket 92, and between the car hoistway and the inside of the car. Or, there was a risk of circulation between the hoistway of the car and the level of the building (the landing).

JP 2013-151371 A

  Therefore, in view of such circumstances, the present invention is designed to allow smoke generated during a fire to circulate between a car hoistway and the inside of the car, or between a car hoistway and a building level (a landing). It is an object to provide an elevator door device that can be reliably prevented.

  The elevator door device of the present invention includes a sill having a guide groove extending in a first direction formed on a lower surface, a door panel disposed on the sill and capable of opening and closing an entrance, and extending in the first direction. A bracket attached to one surface of the door panel on the hoistway side of the car, a plurality of shims arranged at intervals in the first direction, each of which is superimposed on the bracket, and the plurality of shims A plurality of arms arranged at intervals in the first direction corresponding to the intervals of the shims, the attachment portions being attached to the brackets via the corresponding shims, and below the sill from the attachment portions A plurality of arms having extending portions extending toward the plurality of guide shoes, and a plurality of guide shoes attached to each extending portion of the plurality of arms, each of which is the sill A plurality of guide shoes disposed in the guide groove; and a smoke shielding member disposed between the adjacent arms, wherein the smoke shielding member closes between the mounting portions of the adjacent arms, and the arms A first smoke shield fixed to the bracket via the shim that is overlapped, and an extension between adjacent arms, and extending from the first smoke shield toward the lower side of the sill. A smoke shielding body having a second smoke shielding portion to be discharged, and a seal body which is attached to the entire area of the tip of the second smoke shielding portion of the smoke shielding body and is in close contact with a surface defining the guide groove of the sill. The smoke shield includes a closing portion that extends in at least a first direction between the shims adjacent to each other and extends from the first smoke shield and closely contacts the bracket.

  According to the door device for an elevator having the above configuration, the smoke shield blocks the entire area between the adjacent arms, and is between the tip of the smoke shield and the lower surface of the sill and between the adjacent guide shoes. The seal body is closed. Therefore, a gap formed between the sill and the bracket and opening toward the hoistway is covered with the smoke shield and the seal body.

  In addition, since the smoke shield includes a closed portion that extends in the first direction between at least adjacent shims and extends from the first smoke shield and closely contacts the bracket, the smoke shield is provided between the first smoke shield and the bracket. The formed gap is closed by the closing portion.

  Thereby, the clearance gap which connects the hoistway and the inside of a cage | basket, or the clearance gap which connects a hoistway and a hierarchy is obstruct | occluded by a smoke-shielding member. Therefore, the door device configured as described above ensures that smoke generated in the event of a fire or the like flows between the car hoistway and the inside of the car or between the car hoistway and the building level (landing). Can be prevented.

  As one aspect of the present invention, the shim may be disposed on a hoistway side surface of the bracket, and the blocking portion may be in contact with the lower surface of the bracket.

  In the door device for an elevator having the above-described configuration, since the closing portion is disposed below the shim, the closing portion can prevent the shim from dropping. Therefore, the door device for an elevator having the above-described configuration can easily perform work on the shim.

  As described above, according to the door device for an elevator of the present invention, it occurs in the event of a fire or the like between a car hoistway and the inside of the car, or between a car hoistway and a building level (landing). Smoke can be reliably prevented from circulating.

FIG. 1 is a schematic diagram of an elevator door device according to an embodiment of the present invention. FIG. 2 is a plan view of a door panel in the elevator door device according to the embodiment. FIG. 3 is a side view of the door device for an elevator according to the embodiment. FIG. 4 is an enlarged view of the door device for an elevator according to the embodiment, and is an enlarged view of a region A in FIG. 3. FIG. 5 is an enlarged view of the door device for an elevator according to the embodiment, in which the arm and the guide shoe are removed. FIG. 6 is a front view of a shim in the elevator door device according to the embodiment. FIG. 7 is a side view of a conventional elevator door device. FIG. 8 is a side view of a conventional elevator door device, with the arm and guide shoe removed.

  Hereinafter, an elevator door device according to an embodiment of the present invention will be described with reference to the accompanying drawings. An elevator door device (hereinafter referred to as a door device) according to the present embodiment opens and closes an entrance / exit of a landing G as shown in FIG.

  This will be described more specifically. As shown in FIG. 2, the door device 1 according to the present embodiment includes a sill 2 (see FIG. 3) having a guide groove 20 formed in a lower surface and extending in the first direction, and is disposed on the sill 2 and is an entrance / exit. A pair of door panels 3 and 3 that can be opened and closed, a bracket 4 that extends in the first direction and is attached to one surface of the door panel 3 on the hoistway side of the car, and a pair that is disposed with a gap in the first direction And a pair of shims 5 and 5 that are superimposed on the bracket 4, and the shims 5 and 5 are arranged at intervals in the first direction corresponding to the distance between the pair of shims 5 and 5. A pair of arms 6 and 6, each having an attachment portion 60 attached to the bracket 4 via the corresponding shim 5, and an extension portion 61 extending from the attachment portion 60 toward the lower side of the sill 2. A pair of arms 6 and 6 (see FIG. 3) A pair of guide shoes 7 and 7 attached to the extending portions 61 of the pair of arms 6 and 6, respectively, each of which is disposed in the guide groove of the sill 2; And a smoke shielding member 8 disposed between a pair of adjacent arms 6 and 6.

  As shown in FIG. 3, the sill 2 has a rail groove 21 formed on the upper surface and extending in the first direction. The guide groove 20 and the rail groove 21 are formed at positions shifted in the second direction orthogonal to the first direction.

  In the door device 1 according to this embodiment, each of the bracket 4, the shim 5, the arm 6, the guide shoe 7, and the smoke shielding member 8 is attached to one of the pair of door panels 3 and 3.

  The pair of door panels 3 and 3 are disposed at positions shifted in the second direction. The said one door panel 3 is arrange | positioned rather than the other door panel 3 of a pair of door panels 3 and 3 at the cage | basket | car C side (refer FIG. 1).

  The other door panel 3 is disposed on the rail groove 21 of the sill 2. And the guided part S arrange | positioned in the rail groove 21 of the sill 2 is attached to the said other door panel 3. As shown in FIG.

  The pair of door panels 3 and 3 slide in conjunction with each other in the first direction. The pair of door panels 3 and 3 slide in the same direction in the first direction. In the door device 1 according to the present embodiment, the pair of door panels 3 and 3 slide in conjunction with the pair of car doors C1 that open and close the entrance / exit of the car C (see FIG. 1).

  The bracket 4 has a first end portion in the first direction and a second end portion opposite to the first end portion. As shown in FIG. 4, the bracket 4 includes a fixing portion 40 fixed to the one door panel 3, a facing portion 41 facing the fixing portion 40, and the fixing portion 40 and the facing portion 41. And a connecting portion 42 to be connected.

  The fixing portion 40 is formed with a through hole 400 penetrating in the second direction. In the door device 1 according to the present embodiment, the bolt B inserted through the through hole 400 of the fixing portion 40 is screwed into the screw hole 30 formed in the one door panel 3. Thereby, the bracket 4 is fixed to the one door panel 3.

  A screw hole 410 penetrating in the second direction is formed in the facing portion 41.

  The connecting portion 42 has a facing surface that faces the threshold 2. The connecting portion 42 is connected to the lower end of the fixed portion 40 and the lower end of the facing portion 41. Therefore, the lower surface of the bracket 4 according to the present embodiment is configured by the facing surface of the connection portion 42.

  The shims 5 and 5 are disposed on the hoistway side surface of the bracket 4. And each shim 5 and 5 is comprised by the flat member. In the present embodiment, each of the shims 5 and 5 may be configured by a single flat plate member or may be configured by overlapping a plurality of flat plate members.

  This will be described more specifically. As shown in FIG. 6, the shims 5 and 5 extend in the first direction. Each of the shims 5 and 5 has a first end in a direction orthogonal to each of the first direction and the second direction, and a second end opposite to the first end. Each shim 5, 5 has a recess 50 that opens at the first end. Each of the shims 5 and 5 according to the present embodiment has a plurality (three) of the recesses 50. The plurality of recesses 50 are arranged at intervals in the first direction.

  As described above, the pair of arms 6 and 6 are arranged at an interval in the first direction. As shown in FIG. 2, one arm 6 of the pair of arms 6 and 6 is disposed at a position corresponding to the first end portion of the bracket 4. The other arm 6 of the pair of arms 6 and 6 is disposed at a position corresponding to the second end of the bracket 4.

  As shown in FIG. 4, a through hole 600 is formed in the attachment portion 60 of each arm 6, 6. In the door device 1 according to the present embodiment, the bolt B inserted through the through hole 600 of the mounting portion 60 and the recess 50 of the shim 5 in the arm 6 is screwed into the screw hole 410 of the facing portion 41. Thereby, the arm 6 is fixed to the bracket 4.

  As described above, the pair of guide shoes 7 and 7 are disposed in the guide groove 20 of the sill 2. Therefore, the pair of guide shoes 7 and 7 are guided in the first direction by the surface that defines the guide groove 20 of the sill 2.

  As shown in FIG. 5, the smoke shielding member 8 closes between the mounting portions 60 of the adjacent arms 6 and 6 and is fixed to the bracket 4 via the shim 5 on which the arms 6 are overlapped. A smoke shield 80 having a second smoke shield portion 801 that blocks between the smoke portion 800 and the extending portions 61 of the adjacent arms 6 and 6 and extends downward from the first smoke shield portion 800 to the sill 2. And a sealing body 81 that is attached to the entire area of the tip of the second smoke shielding portion 801 of the smoke shielding body 80 and is in close contact with the surface that defines the guide groove 20 of the sill 2.

  The smoke shield 80 further includes a closed portion 802 extending in the first direction at least between the adjacent shims 5 and 5 and extending from the first smoke shield 800 and closely contacting the bracket 4.

  The first smoke shield 800 is fixed to the bracket 4 via each of the pair of shims 5 and 5. This will be described more specifically. A pair of through-holes 800a and 800a are formed in the first smoke shield unit 800 according to the present embodiment at intervals in the first direction.

  And in the door apparatus 1 which concerns on this embodiment, the volt | bolt B inserted in each of the through-hole 800a in the 1st smoke-shielding part 800 and the recessed part 50 of the shim 5 is screwed by the screw hole 410 of the opposing part 41. Thus, the first smoke shield 800 is attached to the bracket 4.

  Further, the first smoke shielding portion 800 abuts on the attachment portions 60 of the arms 6 and 6 adjacent in the first direction.

  The second smoke shielding part 801 abuts on the extension part 61 of each arm 6, 6 adjacent in the first direction.

  The blocking part 802 extends over the entire length of the first smoke shielding part 800 in the first direction. The closing portion 802 comes into contact with the lower surface of the bracket 4. Therefore, the blocking portion 802 is disposed below each shim 5. That is, the shim 5 is not interposed between the closing portion 802 and the bracket 4.

  The blocking portion 802 has a proximal end connected to the first smoke shielding portion 800 and a distal end opposite to the proximal end. The distal end portion of the closing portion 802 in the second direction is located closer to the fixing portion 40 side of the bracket 4 than the facing portion 41 of the bracket 4.

  As described above, the seal body 81 is attached to the entire area of the tip of the second smoke shielding portion 801 of the smoke shielding body 80. Therefore, the seal body 81 extends in the first direction between a pair of adjacent guide shoes 7 and 7. The seal body 81 abuts on the guide shoes 7 and 7 adjacent in the first direction.

  Moreover, the seal body 81 has elasticity. And since the front-end | tip part of the sealing body 81 is pressed against the surface which demarcates the guide groove 20 in the sill 2, the sealing body 81 produces an elastic force.

  As described above, in the door device 1 according to the present embodiment, the smoke shield 80 closes the entire area between the adjacent arms 6 and 6, and between the tip of the smoke shield 80 and the lower surface of the sill 2. Thus, the seal body 81 closes the entire area between the adjacent guide shoes 7 and 7. Therefore, the gap formed between the sill 2 and the bracket 4 and opening toward the car hoistway is covered with the smoke shield 80 and the seal body 81.

  Further, since the smoke shield 80 includes the closed portion 802 that extends in the first direction between the adjacent shims 5 and 5 and extends from the first smoke shield 800 and is in close contact with the bracket 4, the first smoke shield A gap formed between the portion 800 and the bracket 4 is closed by the closing portion 802.

  Thereby, the gap which connects the hoistway of a cage | basket | car and a hierarchy is obstruct | occluded by the smoke shielding member 8. FIG. Therefore, the door apparatus 1 can reliably prevent smoke generated during a fire or the like from flowing between the car hoistway and the building level (landing).

  Further, in the door device 1, the closing portion 802 is disposed below the shims 5, 5, so that the pair of shims 5, 5 is prevented from falling by the closing portion 802. Therefore, the door device 1 can easily perform work on the pair of shims 5 and 5.

  Furthermore, since the position of the front-end | tip part of the obstruction | occlusion part 802 in the said 1st direction is set to the fixing | fixed part 40 side of the bracket 4 rather than the opposing part 41 of the bracket 4, the door apparatus 1 has the 1st smoke shielding part 800 and the bracket. It is possible to prevent the blocking portion 802 from moving away from the bracket 4 when the distance from 4 increases.

  This will be described more specifically. In the door device 1, when the shim 5 is added between the facing portion 41 of the bracket 4 and the mounting portion 60 of the arm 6, or when the existing shim 5 is replaced with a thicker shim 5, the facing portion of the bracket 4. The space | interval of 41 and the attaching part 60 of the arm 6 spreads. Therefore, the closing part 802 is displaced in the direction away from the bracket 4 in the first direction.

  However, in the door device 1, the blocking portion 802 extends from the first smoke blocking portion 800 in the second direction, and the blocking portion 802 and the lower surface of the bracket 4 (facing surface of the connection portion 42) are the third portion. Since they overlap in the direction, it is possible to prevent the blocking portion 802 from separating from the bracket 4.

  Therefore, the door apparatus 1 can block | close the clearance gap formed between the 1st smoke shielding part 800 and the bracket 4 more reliably by the obstruction | occlusion part.

  It should be noted that the elevator door device of the present invention is not limited to the above-described embodiment, and various modifications are of course made without departing from the scope of the present invention.

  In the said embodiment, although the door apparatus 1 demonstrated as opening and closing the entrance / exit of the boarding point G, it is not limited to this. For example, the door device may open and close the entrance / exit of the car C. In this case, the smoke shielding member 8 closes the gap that communicates the hoistway of the car C with the car C. Therefore, the door device 1 configured as described above can reliably prevent smoke generated during a fire or the like from flowing between the hoistway of the car C and the inside of the car C.

  In the said embodiment, although a pair of door panel 3 was slid in the same direction in said 1st direction, it is not limited to this. For example, each of the pair of door panels 3 may slide in opposite directions in the first direction.

  In the said embodiment, although the door apparatus 1 was provided with a pair of door panel 3, it is not limited to this. For example, the door device 1 may include three or more door panels 3.

  In the said embodiment, although the door apparatus 1 was provided with a pair of shim 5 and a pair of arm 6, it is not limited to this. For example, the door device 1 may include three or more shims 5 and three or more arms 6. Accordingly, the door device 1 may include three or more guide shoes 7. In this case, the door apparatus 1 should just be provided with the several smoke-shielding member 8 arrange | positioned in each between a pair of adjacent arms 6 and 6. FIG.

  In the said embodiment, although the smoke shield 80 was comprised separately from each of the adjacent arms 6 and 6, it is not limited to this. For example, the smoke shield 80 may be configured integrally with each of the adjacent arms 6 and 6.

  In the said embodiment, although the obstruction | occlusion part 802 was arrange | positioned under each shim 5 and 5, it is not limited to this. For example, the blocking portion 802 may be disposed above the shims 5 and 5. Even in this case, the blocking portion 802 may be in contact with the bracket 4 (for example, the upper end of the facing portion 41 of the bracket 4).

  In the said embodiment, although the obstruction | occlusion part 802 extended over the full length of the 1st smoke shielding part 800 in said 1st direction, it is not limited to this. For example, the blocking portion 802 may extend in the first direction between the adjacent shims 5 and 5. Even in this case, the gap formed between the first smoke shielding part 800 and the bracket 4 is blocked by the blocking part 802.

  DESCRIPTION OF SYMBOLS 1 ... Door device, 2 ... Sill, 3 ... Door panel, 4 ... Bracket, 5 ... Shim, 6 ... Arm, 7 ... Guide shoe, 8 ... Smoke shielding member, 20 ... Guide groove, 21 ... Rail groove, 22 ... Screw hole , 30 ... Screw hole, 40 ... Fixing part, 41 ... Opposing part, 42 ... Connection part, 50 ... Through hole, 60 ... Mounting part, 61 ... Extension part, 71 ... Connection part, 80 ... Smoke shield, 81 ... Seal body, 400 ... through hole, 410 ... screw hole, 600 ... through hole, 800 ... first smoke shielding part, 800a ... through hole, 801 ... second smoke shielding part, 802 ... blocking part, B ... bolt, C ... Car, C1 ... Door, G ... Place, S ... Guided part

Claims (2)

  A sill having a guide groove extending in a first direction formed on a lower surface; a door panel disposed on the sill and capable of opening and closing an entrance; A bracket to be attached, and a plurality of shims arranged at intervals in the first direction, each of which is superimposed on the bracket, and the first shim corresponding to the interval between the plurality of shims. A plurality of arms arranged at intervals in a direction, an attachment portion attached to the bracket via the corresponding shim, and an extension portion extending from the attachment portion toward the lower side of the sill And a plurality of guide shoes attached to respective extending portions of the plurality of arms, each of which is disposed in the guide groove of the sill. And a smoke-shielding member disposed between the adjacent arms, the smoke-shielding member closing the space between the attachment portions of the adjacent arms, and through the shims stacked on the arms. A first smoke shield fixed to the bracket, and a second smoke shield extending from the first smoke shield toward the lower side of the sill, blocking between the extending portions of the adjacent arms. A smoke body, and a seal body that is attached to the entire area of the tip of the second smoke shielding portion of the smoke shield and is in close contact with a surface that defines a guide groove of the sill, wherein the smoke shield is at least adjacent to the smoke shield. A door device for an elevator, comprising: a closing portion extending in a first direction between the matching shims and extending from the first smoke shielding portion and in close contact with the bracket.   2. The elevator door device according to claim 1, wherein the shim is disposed on a surface on the hoistway side of the bracket, and the closing portion is in contact with a lower surface of the bracket.

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