JP2012184116A - Guide device of elevator sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a guide shoe installed to a sliding door from coming off from a guide groove of a sill without increasing the strength and rigidity of the sliding door, and to facilitate the fitting work and detaching work of the guide shoe to/from the guide groove.SOLUTION: This guide device of an elevator sliding door includes a guide shoe 2 installed at a lower edge of a slidable sliding door 1 opening and closing a doorway of an elevator, and a guide groove 5 formed at a sill 4 of the doorway for slidably fitting the guide shoe 2 thereto. The guide groove 5 includes a wide part 6 whose lateral width dimension in a plane perpendicular to its longitudinal direction is large, and a narrow part 7 which is positioned above the wide part 6 and whose lateral width dimension is smaller than that of the wide part 6. The guide shoe 2 includes a come-off prevention part 8 which is fitted to the wide part 6 and whose lateral width dimension in a plane perpendicular to a longitudinal direction of the guide groove 5 is larger than that of the narrow part 7. An opening hole 61 having an area larger than a projection area of the guide shoe 2 is formed at a part of a bottom face of the guide groove 5, and the guide shoe 2 is detachably mounted to the sliding door 1.

Description

  The present invention relates to an elevator sliding door guide device, and more particularly to an elevator sliding door guide device that prevents a guide shoe provided on the sliding door from being removed from a guide groove formed on a sill.

  For example, a guide device for an elevator sliding door as described in Patent Document 1 below is known. According to this elevator sliding door guide device, a sliding sliding door that opens and closes the entrance of the elevator is provided, and a guide shoe (indicated as a guide piece in Patent Document 1) is provided at the lower edge of the sliding door. The guide shoe is slidably fitted in a guide groove provided in the sill.

  The lateral width dimension of the guide groove is slightly larger than the lateral width dimension of the guide shoe, and the guide shoe can be taken in and out from above the guide groove.

  In addition, as an elevator sliding door, the landing door provided in the elevator hall, and the car door provided in the passenger car correspond.

JP 2001-58784 A

  However, in the above-described elevator sliding door guide device, the following points are not considered.

  When an elevator user or a package being transported collides with a sliding door, a large external force may act on the sliding door and the sliding door may be greatly bent. If the sliding door bends greatly, the guide shoe is lifted upward along with this bending, and the guide shoe may come off from the guide groove of the sill, and the opening / closing of the sliding door may be prevented.

  If the strength and rigidity of the sliding door are increased, the amount of bending of the sliding door when an external force is applied to the sliding door can be reduced, and the guide shoe can be prevented from coming off from the guide groove of the sill.

  However, in that case, the weight of the sliding door increases due to reinforcement performed to increase the strength and rigidity of the sliding door, and the inertial energy when opening and closing the sliding door with increased weight increases. Therefore, it becomes necessary to increase the driving force of the driving device for opening and closing the sliding door, and there arises a problem that the emergency stop performance of the sliding door is lowered when a person or an object is sandwiched between the sliding doors during the door closing operation.

  The present invention has been made to solve such problems, and its purpose is to prevent the guide shoe provided on the sliding door from coming off the guide groove of the sill without increasing the strength and rigidity of the sliding door. It is.

  According to an embodiment of the present invention, there is provided a guide device for an elevator sliding door, wherein the guide shoe is provided on a lower edge portion of a sliding sliding door that opens and closes the entrance of the elevator, and the guide is provided on a sill of the entrance. A guide groove into which the shoe is slidably fitted. The guide groove has a wide width in a plane perpendicular to the longitudinal direction of the guide groove, and a width that is positioned above the wide portion. The guide shoe has a narrower portion that is smaller than the wide portion, and the guide shoe fits into the wide portion and has a lateral width dimension in a plane perpendicular to the longitudinal direction of the guide groove that is larger than the narrow portion. An opening hole having an area larger than the projected area of the guide shoe is formed in a part of the bottom surface of the guide groove, and the guide shoe is detachably attached to the sliding door. It is.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent that the guide shoe of the sliding door fitted by the guide groove of the sill remove | deviates from a guide groove, without raising the intensity | strength and rigidity of a sliding door.

It is a perspective view which shows the guide apparatus of the elevator sliding door which concerns on 1st Embodiment. It is the side view. It is a side view which shows the 1st modification of 1st Embodiment. It is a side view which shows the 2nd modification of 1st Embodiment. It is a side view which shows the 3rd modification of 1st Embodiment. It is a perspective view which shows the guide apparatus of the elevator sliding door which concerns on 2nd Embodiment. It is the side view. It is a perspective view which shows the guide apparatus of the elevator sliding door which concerns on 3rd Embodiment. It is the side view. It is a perspective view which shows the guide apparatus of the elevator sliding door which concerns on 4th Embodiment. It is the side view. It is a perspective view which shows the guide apparatus of the elevator sliding door which concerns on embodiment of this invention. It is the side view.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
As shown in FIGS. 1 and 2, the elevator sliding door guide device according to the first embodiment of the present invention is provided with a car door, which is a slidable sliding door 1 that opens and closes the entrance of the elevator. The guide shoe 2 is detachably screwed to the lower edge portion of the sliding door 1 with an attachment screw 3. A plurality of guide shoes 2 are screwed along the longitudinal direction of the lower edge of the sliding door 1.

  The elevator car is provided with a sill 4 at a position facing the lower edge of the sliding door 1, and the sill 4 is formed with a guide groove 5 into which the guide shoe 2 is slidably fitted.

  The guide groove 5 is formed in a straight line along the sliding direction of the sliding door 1, and the cross-sectional shape in a plane orthogonal to the longitudinal direction of the guide groove 5 is a wide portion located on the lower side as shown in FIG. 6 and a stepped shape having a narrow portion 7 located on the upper side. When the guide groove 5 is cut in a plane orthogonal to the longitudinal direction, the width dimension of the wide portion 6 of the guide groove 5 is “A”, and the width dimension of the narrow portion 7 is “B (B <A)”. Is formed.

  The guide shoe 2 has a retaining portion 8 and a mounting portion 9 that are integrally formed of metal, and one end of the mounting portion 9 is screwed to the sliding door 1 by a mounting screw 3. A portion of the peripheral surface of the retaining portion 8 that is in sliding contact with the guide groove 5 is covered with a sliding material 10 such as a fluororesin.

  The retaining portion 8 is formed with a lateral width of “C” when the guide shoe 2 is sectioned on a plane orthogonal to the longitudinal direction of the guide groove 5, and the lateral width “C” is the wide portion 6 of the guide groove 5. The width dimension “A” of the guide groove 5 is smaller than the width dimension “B” of the narrow groove 7 of the guide groove 5. The retaining portion 8 is slidably fitted to the wide portion 6 of the guide groove 5.

  In such a configuration, the guide shoe 2 is fitted in the guide groove 5, and the guide shoe 2 slides in the guide groove 5 in accordance with the sliding operation of the sliding door 1 when opening and closing the entrance / exit of the elevator. 8 slides in the wide part 6.

  When an elevator user or a package being transported collides with the sliding door 1, a large external force may act on the sliding door 1 and the sliding door 1 may bend. When the sliding door 1 is bent, the guide shoe 2 is lifted upward along with the bending.

  When the guide shoe 2 is lifted upward, the retaining portion 8 having a lateral width of “C” is caught by the narrow portion 7 having a lateral width of “B (where B <C)”. Is prevented from passing through. In other words, the guide shoe 2 having the retaining portion 8 is prevented from being detached from the guide groove 5, the fitting state of the guide shoe 2 with respect to the guide groove 5 can be maintained, and the smooth opening / closing operation of the sliding door 1 is maintained. be able to.

  The guide shoe 2 is detachably screwed to the lower edge portion of the sliding door 1 by an attachment screw 3. Therefore, when installing the sliding door 1, the guide shoe 2 removed from the sliding door 1 is fitted into the guide groove 5 from the end of the guide groove 5, and the sliding door 1 with the guide shoe 2 removed is positioned above the sill 4. The guide shoe 2 fitted in the guide groove 5 can be screwed to the lower edge portion of the sliding door 1 with the mounting screw 3. Thereby, compared with the case where the guide shoe 2 attached to the sliding door 1 is fitted into the guide groove 5 from the end of the guide groove 5, the time and labor required for the installation work of the sliding door 1 can be greatly reduced. Can do.

  In the first embodiment, an elevator car cage door has been described as an example of the sliding door 1. However, the elevator sliding door guide device of the present invention is a landing door that is a sliding door provided in the elevator hall. It is also possible to apply to.

  3 to 5 show a modification of the elevator sliding door guide device according to the first embodiment.

  In the first modification shown in FIG. 3, a guide groove 11 is formed in the sill 4, and a guide shoe 12 slidably fitted in the guide groove 11 is screwed to the lower edge of the sliding door 1.

  The guide groove 11 has a trapezoidal cross-sectional shape in a plane orthogonal to the longitudinal direction of the guide groove 11, and a wide portion 13 positioned below the guide groove 11 and a narrow width positioned above the wide portion 13. Part 14. The width of the wide portion 13 is formed as “A”, and the width of the narrow portion 14 is formed as “B (B <A)”.

  The guide shoe 12 has a retaining portion 15 and a mounting portion 16 that are integrally formed of metal, and one end of the mounting portion 16 is screwed to the sliding door 1 by a mounting screw 3. A portion of the circumferential surface of the retaining portion 15 that is in sliding contact with the guide groove 11 is covered with a sliding material (not shown) such as a fluororesin.

  The retaining portion 15 has a trapezoidal cross-sectional shape when the guide shoe 12 is cross-sectioned along a plane orthogonal to the longitudinal direction of the guide groove 11, and has a maximum lateral width of “C”. The lateral width “C” is formed smaller than the lateral width “A” of the wide portion 13 of the guide groove 11 and larger than the lateral width “B” of the narrow portion 14 of the guide groove 11.

  Also in this modified example, when the guide shoe 12 is lifted upward in accordance with the action of the external force on the sliding door 1, the retaining portion 15 having the maximum lateral width dimension of “C” has a lateral width dimension of “B (however, , B <C) ″ is prevented from passing through the narrow portion 14, and the guide shoe 12 is prevented from coming off the guide groove 11.

  In the second modification shown in FIG. 4, a guide groove 17 is formed in the sill 4, and a guide shoe 18 that is slidably fitted in the guide groove 17 is screwed to the lower edge of the sliding door 1.

  The guide groove 17 has a cross-sectional shape in a plane orthogonal to the longitudinal direction of the guide groove 17 formed in a circular shape, and has a wide portion 19 positioned in the middle in the vertical direction of the guide groove 17, and a position above the wide portion 19. And a narrow portion 20 to be formed. The wide width portion 19 is formed with a width dimension of “A”, and the narrow width portion 20 is formed with a width width of “B (where B <A)”.

  The guide shoe 18 has a retaining portion 21 and a mounting portion 22 that are integrally formed of metal, and one end of the mounting portion 22 is screwed to the sliding door 1 by a mounting screw 3. A portion of the circumferential surface of the retaining portion 21 that is in sliding contact with the guide groove 17 is covered with a sliding material (not shown) such as a fluororesin.

  The retaining portion 21 has a circular cross-section when the guide shoe 18 is cross-sectioned on a plane orthogonal to the longitudinal direction of the guide groove 17, and has a maximum lateral width of “C”. The lateral width “C” is smaller than the lateral width “A” of the wide portion 19 of the guide groove 17 and larger than the lateral width “B” of the narrow portion 20 of the guide groove 17.

  Also in this modified example, when the guide shoe 18 is lifted upward in accordance with the action of an external force on the sliding door 1, the retaining portion 21 having the maximum lateral width of “C” has a lateral width of “B (however, , B <C) ″ is prevented from passing through the narrow portion 20, and the guide shoe 18 is prevented from coming off the guide groove 17.

  In the third modification shown in FIG. 5, a guide groove 23 is formed in the sill 4, and a guide shoe 24 slidably fitted in the guide groove 23 is screwed to the lower edge portion of the sliding door 1.

  The guide groove 23 has a U-shaped cross section in a plane orthogonal to the longitudinal direction of the guide groove 23, and is positioned above the wide portion 25 and a wide portion 25 positioned below the guide groove 23. And a narrow portion 26. The width of the wide portion 25 is “A”, and the width of the narrow portion 26 is “B (B <A)”.

  The guide shoe 24 has a retaining portion 27 and a mounting portion 28 that are integrally formed of metal, and one end of the mounting portion 28 is screwed to the sliding door 1 by a mounting screw 3. A portion of the peripheral surface of the retaining portion 27 that is in sliding contact with the guide groove 23 is covered with a sliding material (not shown) such as a fluororesin.

  The retaining portion 27 has a U-shaped cross-section when the guide shoe 24 is sectioned along a plane orthogonal to the longitudinal direction of the guide groove 23, and the width dimension of the portion located below the narrow portion 26. Is formed as “C”. The lateral width “C” is smaller than the lateral width “A” of the wide portion 25 of the guide groove 23 and larger than the lateral width “B” of the narrow portion 26 of the guide groove 23.

  Also in this modified example, when the guide shoe 24 is lifted upward in accordance with the action of an external force on the sliding door 1, the retaining portion 27 having a lateral dimension of “C” has a lateral dimension of “B (where B < C) "is prevented from passing through the narrow portion 26, and the guide shoe 24 is prevented from coming off the guide groove 23.

(Second Embodiment)
An elevator sliding door guide device according to a second embodiment of the present invention will be described with reference to FIGS. Note that in this embodiment and other embodiments described below, the same components as those of the previously described embodiments are denoted by the same reference numerals, and redundant description is omitted.

  The elevator car is provided with a car door that is a sliding door 1 that opens and closes the entrance of the elevator, and a guide shoe 31 is detachably screwed to the lower edge of the sliding door 1 by a mounting screw 3. A plurality of guide shoes 31 are screwed along the longitudinal direction of the lower edge of the sliding door 1.

  The elevator car is provided with a sill 4 at a position facing the lower edge of the sliding door 1, and a guide groove 32 into which the guide shoe 31 is slidably fitted is formed in the sill 4.

  The guide groove 32 is formed linearly along the sliding direction of the sliding door 1, and a protrusion 33 extending along the longitudinal direction of the guide groove 32 is provided on the bottom surface of the guide groove 32. The protrusion 33 has a lateral width dimension in a plane perpendicular to the longitudinal direction of the guide groove 32 in the vertical position, and has a narrow part 34 with a small lateral dimension on the lower side and a lateral dimension larger than the narrow part 34 on the upper side A wide portion 35 is provided. The width of the narrow portion 34 is formed as “D”, and the width of the wide portion 35 is formed as “E (where D <E)”.

  The guide shoe 31 has a retaining portion 36 and a mounting portion 37 that are integrally formed of metal, and one end of the mounting portion 37 is screwed to the sliding door 1 by a mounting screw 3.

  The retaining portion 36 is formed with a slit 38 slidably fitted to the protrusion 33, and the slit 38 has a narrow portion 39 formed on the lower side and a wide portion 40 formed on the upper side. The width dimension of the narrow portion 39 in the plane perpendicular to the longitudinal direction of the guide groove 32 is “F”, and the width dimension of the wide portion 40 is “G (where F <G)”. The width dimension “F” of the narrow portion 39 of the slit 38 is formed smaller than the width dimension “E” on the upper side of the protrusion 33.

  In such a configuration, the guide shoe 31 is fitted in the guide groove 32, and the guide shoe 31 slides in the guide groove 32 in accordance with the sliding operation of the sliding door 1 when opening and closing the entrance / exit of the elevator.

  Further, the slit 38 is fitted to the projection 33, and the guide shoe 31 is fitted in the guide groove 32 with the slit 38 fitted to the projection 33 in accordance with the sliding operation of the sliding door 1 when opening and closing the entrance of the elevator. Slide

  When an elevator user or a package being transported collides with the sliding door 1, a large external force may act on the sliding door 1 and the sliding door 1 may bend. When the sliding door 1 is bent, the guide shoe 31 is lifted upward along with the bending.

  When the guide shoe 31 is lifted upward, the edge of the narrow portion 39 of the slit 38 having a width dimension of “F” is widened by the protrusion 33 having a width dimension of “E (where F <E)”. It is caught by the part 35 and the slit 38 is prevented from passing through the wide part 35 upward. In other words, the retaining portion 36 in which the slit 38 is formed is caught by the projection 33, the guide shoe 31 is prevented from being detached from the guide groove 32, and the fitting state of the guide shoe 31 with respect to the guide groove 32 can be maintained. The smooth opening / closing operation of the sliding door 1 can be maintained.

  The guide shoe 31 is detachably screwed to the lower edge portion of the sliding door 1 by the mounting screw 3. For this reason, when installing the sliding door 1, as in the first embodiment, the guide shoe 31 removed from the sliding door 1 is fitted into the guide groove 32 from the end of the guide groove 32, and the guide shoe 31 is removed. The sliding door 1 can be positioned above the sill 4 and the guide shoe 31 fitted in the guide groove 32 can be screwed to the lower edge of the sliding door 1 with the mounting screw 3. Thereby, compared with the case where the guide shoe 31 attached to the sliding door 1 is fitted into the guide groove 32 from the side of the guide groove 32, the time and labor required for installing the sliding door 1 can be greatly reduced. Can do.

(Third embodiment)
An elevator sliding door guide device according to a third embodiment of the present invention will be described with reference to FIGS. The basic structure of the present embodiment is the same as that of the first embodiment (see FIGS. 1 and 2), and a guide groove 5 having a wide portion 6 and a narrow portion 7 is formed in the sill 4, A guide shoe 2 having a retaining portion 8 is slidably fitted in the guide groove 5.

  In a part along the longitudinal direction of the guide groove 5, a detachable wide portion 41 is formed which is a portion where the lateral width dimension of the guide groove 5 is larger than the lateral width “C” of the retaining portion 8 of the guide shoe 2 in the vertical direction. Has been. The detachable wide portion 41 is formed outside the entrance area of the entrance to and from the elevator.

  In the range of the detachable wide portion 41, the narrow portion 7 of the guide groove 5 is removed, and the lateral width dimension of the guide groove 5 is “A (where A> C)”. It is said that. In other words, in the range of the detachable wide portion 41, the lateral width dimension of the guide groove 5 is formed larger than the lateral width dimension "C" of the retaining portion 8 of the guide shoe 2 in the vertical direction.

  Further, the range “L1” in which the detachable wide portion 41 is formed along the longitudinal direction of the guide groove 5 is the length dimension “of the guide shoe 2 (or the retaining portion 8) along the sliding direction of the guide shoe 2. The range is longer than L2 ″.

  In such a configuration, the guide shoe 2 is fitted into the guide groove 5, and the guide shoe 2 slides in the guide groove 5 in accordance with the sliding operation of the sliding door 1 when opening and closing the entrance / exit of the elevator.

  When an elevator user or a load being transported collides with the sliding door 1, the sliding door 1 bends and the guide shoe 2 is lifted upward, as described in the first embodiment, the guide shoe 2 is prevented from being removed. The portion 8 is caught by the narrow portion 7, and the guide shoe 2 is prevented from being detached from the guide groove 5.

  When the guide shoe 2 is fitted in the guide groove 5, the guide shoe 2 can be fitted by lowering the guide shoe 2 by positioning the guide shoe 2 above the detachable wide portion 41. Since the detachable wide portion 41 does not have the narrow portion 7, the guide shoe 2 can be fitted into the guide groove 5 without the retaining portion 8 of the guide shoe 2 being caught by the narrow portion 7. When removing the guide shoe 2 from the guide groove 5, the guide shoe 2 can be removed from the guide groove 5 by sliding the guide shoe 2 to the position of the detachable wide portion 41 and lifting the guide shoe 2. Since the detachable wide portion 41 does not have the narrow portion 7, the guide shoe 2 can be removed from the guide groove 5 without the retaining portion 8 of the guide shoe 2 being caught by the narrow portion 7.

  Therefore, by forming the detachable wide portion 41, the operation of fitting the guide shoe 2 into the guide groove 5 and the operation of removing the guide shoe 2 from the guide groove 5 can be easily performed.

  Moreover, since the attachment / detachment wide portion 41 is formed outside the entrance range of the elevator, the attachment / detachment wide portion 41 is not visible to the elevator user entering / exiting from the entrance / exit, and is within the entrance range visible from the elevator user. The guide grooves 5 have the same shape, and the design aesthetics can be maintained.

(Fourth embodiment)
An elevator sliding door guide device according to a fourth embodiment of the present invention will be described with reference to FIGS. 10 and 11. The basic structure of the present embodiment is the same as that of the second embodiment (see FIGS. 6 and 7). A guide groove 32 is formed in the sill 4, and the guide groove 32 is formed on the bottom surface of the guide groove 32. A protrusion 33 extending along the longitudinal direction is provided.

  The protrusion 33 has a narrow portion 34 on the lower side and a wide portion 35 having a lateral width larger than that of the narrow portion 34 on the upper side.

  A guide shoe 31 is slidably fitted in the guide groove 32, and a slit 38 that is slidably fitted to the protrusion 33 is formed in the retaining portion 36 of the guide shoe 31.

  In a part along the longitudinal direction of the projection 33, a detachable narrow portion 51 is formed which is a portion where the lateral width dimension of the projection 33 is smaller than the lateral width dimension “F” of the narrow width portion 39 of the slit 38 in the vertical direction. ing. The detachable narrow portion 51 is formed outside the entrance area of the entrance and exit for the elevator.

  In the range of the detachable narrow part 51, the wide part 35 of the protrusion 33 is removed, and the horizontal width dimension of the protrusion 33 is the horizontal width dimension "D" of the narrow part 34 in the vertical direction. In other words, in the range of the detachable narrow part 51, the lateral dimension of the protrusion 33 is formed to be smaller than the lateral dimension "F" of the narrow part 39 of the slit 38 in the vertical direction.

  Further, the range “L3” in which the detachable narrow portion 51 is formed along the longitudinal direction of the protrusion 33 is the length dimension “of the guide shoe 31 (or the retaining portion 36) along the sliding direction of the guide shoe 31”. The range is longer than L2 ″.

  In such a configuration, the guide shoe 31 is fitted in the guide groove 32, and the guide shoe 31 is fitted with the slit 38 in the projection 33 in accordance with the sliding operation of the sliding door 1 when opening and closing the entrance / exit of the elevator. Slide in the guide groove 32.

  When an elevator user or a load being transported collides with the sliding door 1 and the sliding door 1 bends and the guide shoe 31 is lifted upward, as described in the second embodiment, the width of the slit 38 is narrow. The edge of the portion 39 is caught by the wide portion 35 of the protrusion 33, and the guide shoe 31 is prevented from being detached from the guide groove 32.

  When the guide shoe 31 is fitted in the guide groove 32, the guide shoe 31 can be positioned by placing the guide shoe 31 above the detachable narrow portion 51 and the guide shoe 31 is lowered. Since the detachable narrow portion 51 does not have the wide portion 35, the slit 38 can be fitted into the protrusion 33 without the edge of the narrow portion 39 of the slit 38 being caught by the wide portion 35. Further, when the guide shoe 31 is removed from the guide groove 32, the guide shoe 31 can be removed from the guide groove 32 by sliding the guide shoe 31 to the position of the detachable narrow portion 51 and lifting the guide shoe 31. Since the detachable narrow part 51 does not have the wide part 35, the guide shoe 31 can be removed from the guide groove 32 without the edge of the narrow part 39 of the slit 38 being caught by the wide part 35.

  Therefore, by forming the detachable narrow portion 51, the operation of fitting the guide shoe 31 into the guide groove 32 and the operation of removing the guide shoe 31 from the guide groove 32 can be easily performed.

  In addition, since the detachable narrow part 51 is formed outside the entrance range of the elevator, the detachable narrow part 51 is not visible to the elevator user entering / exiting from the entrance and exit, and the entrance range is visible from the elevator user. The inner protrusions 33 have the same shape, and the design aesthetics can be maintained.

(Fifth embodiment)
An elevator sliding door guide apparatus according to a fifth embodiment of the present invention will be described with reference to FIGS. The basic structure of the present embodiment is the same as that of the first embodiment (see FIGS. 1 and 2), and a guide groove 5 having a wide portion 6 and a narrow portion 7 is formed in the sill 4, A guide shoe 2 having a retaining portion 8 is slidably fitted in the guide groove 5.

  An opening hole 61 having an area larger than the projected area of the guide shoe 2 is formed in a part of the bottom surface of the guide groove 5. In other words, an opening hole 61 having a size that allows the guide shoe 2 to be taken in and out of the guide groove 5 from the bottom surface side of the guide groove 5 is formed in the bottom surface portion of the guide groove 5. In addition, the guide shoe 2 is put in and out of the guide groove 5 from the opening hole 61 with the guide shoe 2 removed from the sliding door 1.

  The opening hole 61 is formed so as to be located within the range of the entrance of the elevator.

  In such a configuration, the guide shoe 2 is fitted into the guide groove 5, and the guide shoe 2 slides in the guide groove 5 in accordance with the sliding operation of the sliding door 1 when opening and closing the entrance / exit of the elevator.

  When an elevator user or a load being transported collides with the sliding door 1, the sliding door 1 bends and the guide shoe 2 is lifted upward, as described in the first embodiment, the guide shoe 2 is prevented from being removed. The portion 8 is caught by the narrow portion 7, and the guide shoe 2 is prevented from being detached from the guide groove 5.

  When the guide shoe 2 is fitted into the guide groove 5, the guide shoe 2 is inserted into the guide groove 5 from below the opening hole 61 and is fitted into the guide groove 5. The opening hole 61 is formed in an area larger than the projected area of the guide shoe 2, and the guide shoe 2 can be inserted into the guide groove 5 from below the opening hole 61 without any trouble. When the guide shoe 2 is removed from the guide groove 5, the sliding door 1 is moved so that the guide shoe 2 is positioned above the opening hole 61, the mounting screw 3 is removed, and the guide shoe 2 is pulled out from the opening hole 61. To remove from the guide groove 5. The opening hole 61 is formed in an area larger than the projected area of the guide shoe 2, and the guide shoe 2 can be pulled out from the opening hole 61 without any trouble and removed from the guide groove 5.

  Therefore, by forming the opening hole 61, the operation of fitting the guide shoe 2 into the guide groove 5 and the operation of removing the guide shoe 2 from the guide groove 5 can be easily performed.

  Since the opening hole 61 is formed so as to be located within the entrance area of the elevator entrance and exit, the dust that has entered the guide groove 5 can be dropped from the opening hole 61, and the guide groove 5 can be easily cleaned. it can.

  DESCRIPTION OF SYMBOLS 1 ... Sliding door, 2 ... Guide shoe, 4 ... Sill, 5 ... Guide groove, 6 ... Wide part, 7 ... Narrow part, 8 ... Stopping part, 11 ... Guide groove, 12 ... Guide shoe, 13 ... Wide part, 14 ... narrow part, 15 ... retaining part, 17 ... guide groove, 18 ... guide shoe, 19 ... wide part, 20 ... narrow part, 21 ... retaining part, 23 ... guide groove, 24 ... guide shoe, 25 ... wide part , 26 ... narrow part, 27 ... retaining part, 31 ... guide shoe, 32 ... guide groove, 38 ... slit, 61 ... opening hole

Claims (4)

A guide shoe provided at a lower edge of a slidable sliding door that opens and closes an entrance / exit of the elevator, and a guide groove provided on a sill of the entrance and into which the guide shoe is slidably fitted,
The guide groove has a wide portion having a large lateral width in a plane orthogonal to the longitudinal direction of the guide groove, and a narrow portion having a lateral width smaller than the wide portion and positioned above the wide portion,
The guide shoe has a retaining portion that fits into the wide portion and has a lateral width dimension in a plane perpendicular to the longitudinal direction of the guide groove that is larger than the narrow portion, and
An opening hole having an area larger than the projected area of the guide shoe is formed in a part of the bottom surface of the guide groove, and the guide shoe is detachably attached to the sliding door. apparatus.   The elevator sliding door guide device according to claim 1, wherein the opening hole is located in a frontage range of the entrance / exit.   In a part of the guide groove, a portion where the lateral width dimension of the guide groove is larger in the vertical direction than the lateral width dimension of the retaining portion is formed over a range longer than the length dimension along the sliding direction of the guide shoe. The elevator sliding door guide device according to claim 1, wherein the elevator sliding door guide device is provided.   4. The elevator sliding door guide device according to claim 3, wherein a portion of the guide groove having a width dimension larger than a width dimension of the retaining portion is positioned outside the entrance / exit opening range.

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