JP5403513B2 - Landing door equipment - Google Patents

Description

  The present invention relates to a landing door device for an elevator, and more particularly to a landing door device capable of preventing the landing door from coming off due to an impact.

  FIG. 19: has shown the lower cross-sectional view of the landing door apparatus of the entrance / exit of the conventional elevator. The landing door 1 is suspended on a hanger rail by a hanger roller (not shown), and has a structure in which a guide shoe 13 attached to the lower portion of the landing door 1 is inserted into the groove of the sill 2. In the figure, the A side is the landing side and the B side is the car side.

  In the case of the door device having such a structure, when a large force is applied to the landing door as shown in FIG. 20 (FIG. 20: arrow F), the landing door 1 warps in an arc shape and the guide shoe 13 comes out of the groove of the sill 2. There was a possibility that the landing door 1 could come off.

  On the other hand, there is a method of reducing the warping of the door by increasing the strength of the landing door, but the mass of the door itself is increased and the output of the door driving device is further required.

  Therefore, as shown in FIGS. 21 and 22, an engaging means 15 that engages in the sill is provided separately from the guide shoe 13, or the structure is such that the upper part of the sill is narrow and the guide shoe 13 is hooked, so that the landing door 1 is detached. Prevented. However, the method described above has a problem that it is difficult to cope with the renovation because there is little exchange of the sill on the landing side during the renovation.

  The present invention has been made to solve the above-described problem, and an object of the present invention is to provide a door device that can prevent the door from coming off even when the conventional sill is maintained without replacing the sill on the landing side at the time of repair. And

  According to one aspect of the landing door device of the present invention, a sliding door, a sill provided with a guide groove along the longitudinal direction at the lower edge of the door, and a lower end of the door guided by the guide groove A guide shoe attached to the door, a holding portion having one end fixed to the lower end of the door and the other end extending vertically, and an L-shaped bent portion connected to the holding portion and inserted into the guide groove A plate-shaped anti-slip member, and the L-shaped bent part of the plate-like anti-skid member is composed of a first side connected to the holding part and a second side including a tip part, The first side is inclined and connected to the holding portion, and the length of the second side is formed larger than the guide groove.

  Further, in the landing door device of the present invention, the anti-separation member is a movable part that deforms when the load is applied to the door at the connecting part between the holding part and the first side of the L-shaped bent part. And a corner portion where the first side and the second side of the L-shaped bent portion intersect with the side surface of the guide groove when the movable portion is deformed, and a fulcrum portion serving as a rotation center. The second side of the L-shaped bent portion is sandwiched between the opposing side surfaces of the guide groove substantially horizontally by rotation about the fulcrum portion.

  Moreover, in the landing door apparatus of this invention, the movable part of the said locking member has the intensity | strength weaker than the 2nd side of the said L-shaped bending part, It is characterized by the above-mentioned.

  Moreover, in the landing door device of the present invention, the second side of the L-shaped bent portion that constitutes the locking member is made of a material that is softer than the material that constitutes the sill. It is.

  In the landing door device of the present invention, the detachment preventing member is formed integrally with the guide shoe.

  According to the elevator door device of the present invention, it is easily attached to the lower part of the landing door, and by using a simple structure anti-slip member, the door anti-skid member can be replaced without replacing the sill in the conventional door device. An effect can be obtained.

It is a principal part perspective view of the landing door in the 1st Example of this invention. It is sectional drawing which shows the structure of the come-off prevention member in FIG. It is sectional drawing which shows before the operation | movement of the come-off prevention member in FIG. It is sectional drawing which shows the operation | movement of the come-off prevention member in FIG. It is a perspective view which shows the other aspect of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the movable part of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the movable part of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the movable part of the come-off prevention member of FIG. It is a perspective view which shows the other aspect of the movable part of the come-off prevention member of FIG. It is sectional drawing which shows the one aspect | mode of the front-end | tip part of the slip prevention member of FIG. It is sectional drawing which shows the other aspect of the front-end | tip part of the slip prevention member of FIG. It is sectional drawing which shows the other aspect of the front-end | tip part of the slip prevention member of FIG. It is sectional drawing which showed the operation | movement of the come-off prevention member by the 2nd Example of this invention after operation | movement. It is the perspective view which showed the structure of the come-off prevention member by the 3rd Example of this invention. It is lower part sectional drawing of the door apparatus before the operation | movement shown in order to demonstrate the conventional landing door apparatus. It is lower part sectional drawing of the door apparatus after the operation | movement shown in order to demonstrate the conventional landing door apparatus. It is sectional drawing which shows the come-off prevention member means of the conventional landing door apparatus. It is sectional drawing which shows the come-off prevention member means of the conventional landing door apparatus.

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

  FIG. 1 is a main part perspective view showing a landing door device according to a first embodiment of the present embodiment. On the landing door 1 that opens and closes the elevator doorway, a detachment prevention member 3 and a guide shoe 13 are arranged at the lower part of the landing door 1 and fastened by mounting screws 4. A sill 2 is provided on the floor of the doorway, and a guide groove 2-1 is provided on the sill 2 along the longitudinal direction. The stopper member 3 and the guide shoe 13 are guided into the guide groove 2-1. In the present specification, the A side in the figure indicates the landing side and the B side indicates the car side.

  FIG. 2 shows the structure of the anti-slip member 3 of this embodiment. The locking member 3 is made of metal, and includes a locking member holding portion 5, a locking member movable portion 6, a locking member fulcrum portion 7, and a substantially L-shaped bent portion 9 of the locking member tip 8. The holding part 5, the fulcrum part 7, and the tip part 8 have a strength that does not deform even when an impact is applied to the landing door 1, and the movable part 6 has a strength that deforms or bends when an impact is applied. It has become.

  FIG. 3 is a cross-sectional view of FIG. 1 and shows a state before the anti-separation member 3 operates. FIG. 4 is a cross-sectional view showing the operation of the locking member 3 shown in FIG. As shown in FIG. 3, the locking member 3 is connected to the holding portion 5 having one end fixed to the lower end of the door 1 and the other end extending in the vertical direction, and the guide groove 2-1. A plate-shaped anti-slip member 3 comprising an L-shaped bent part 9 inserted therein, and the L-shaped bent part 9 of the plate-like anti-slip member 3 is connected to the holding part 5. The first side 9-1 is composed of a first side 9-1 and a second side 9-2 including the tip, and the first side 9-1 is connected to the holding portion 5 with an inclination, and the length of the second side 9-2. Is formed larger than the guide groove 2-1 of the sill 2. The width Y of the slip prevention member 3 in the guide groove direction is slightly narrower than the guide groove width X, and the length L of the oblique side of the second side 9-2 of the slip prevention member 3 is slightly wider than the guide groove width X. It has become.

  With such a structure, when an impact is applied to the landing door 1 from the landing side when the door is closed (FIG. 4: arrow F), the landing door 1 is pushed to the car side and the guide shoe 13 (not shown) is crushed. Since the stopper member 3 is also fastened to the landing door 1, it is pushed to the car side (FIG. 4: B side) in the same manner as the guide shoe 13. When the locking member 3 is pushed to the car side, the fulcrum part 7 comes into contact with the guide groove side surface 12a, and when further pushed, the movable part 6 expands and bends (FIG. 4: arrow P). The movable portion 6 is deformed or bent, and the distal end portion 8 rotates around the fulcrum portion 7 (FIG. 4: arrow Q), and the distal end portion 8 abuts against the guide groove side surface 12b. The front end portion 8 that abuts against the guide groove side surface 12b is crushed or the guide groove side surface 12b is depressed so that the landing door 1 cannot be removed.

  5, 6, 7, 8, and 9 show other forms of the stopper member 3. Both have a structure that can be attached to the same position as the guide shoe 13. 5, 6, and 7, a part of the guide shoe 13 is a locking member 3, FIG. 8 is a structure in which the locking member 3 is built in the guide shoe 13, and FIG. 9 is a locking member 3. Has a structure that can be fastened at the same position as the guide shoe 13.

  10, 11, 12, and 13 are other forms of the movable portion 6 of the detachment prevention member 3. In either case, in order to make the strength of the movable portion 6 deformable or flexible, the structure is such that force is concentrated by providing notches and holes in the member.

  14, 15, and 16 show other forms of the distal end portion 8 of the stopper member 3. The structure of the tip of the stopper member is a structure that is stretched by flattening or rounding, or a structure that is sharp so as to break through the side of the sill.

  FIG. 17 is a cross-sectional view of the main part of the landing door device showing the second mode of the present embodiment, and is a view showing the operation of the locking member 3. In FIG. 2, the landing door receives an impact from the landing side (FIG. 17: arrow F), and the fulcrum portion 7 hits the guide groove side surface l2a when the anti-slip member device is pushed toward the car side. The movable portion 6 is deformed or bent at the center, the tip portion 8 rotates around the fulcrum portion 7, and the tip portion 8 abuts against the guide groove side surface 12b. Up to this point, the second embodiment is the same as the first embodiment. Thereafter, since the tip 8 is made of a material softer than the material of the sill 2, the tip 8 collides with the sill comb side face l2b, the tip is crushed and the frictional resistance is increased, and the landing door 1 is detached. Can be prevented.

Figure 18 is a diagram showing the latch member as a reference example of the present invention. The first movement of the latch member to the present invention, but as in the second embodiment, but stop member out in Reference Example holder 5 and the movable portion 6 has a plate spring 14, the fulcrum portion 7, The tip 8 is made of a material that is harder than the sill material or softer than the sill material, and is used by the leaf spring 14 (holding part 5, movable part 6), fulcrum part 7, and tip part 8. Is different.

DESCRIPTION OF SYMBOLS 1 ... Landing door 2 ... Sill 2-1 ... Guide groove 3 ... Release prevention member 4 ... Mounting screw 5 ... Release prevention member holding part 6 ... Release prevention member movable part 7... Detachment member fulcrum part 8... Detachment member tip part 9... L-shaped bent part 9-1... First side 9-2... Second side 12a. Side sill side surface 12b ... landing sill side surface 13 ... guide shoe 14 ... leaf spring 15 ... engagement means

Claims (6)

    A sliding door, a sill provided with a guide groove along the longitudinal direction at the lower edge of the door, a guide shoe guided by the guide groove and attached to the lower end of the door, and a lower end of the door A holding part whose one end is fixed and the other end is extended in the vertical direction, and a plate-shaped detachment member connected to the holding part and comprising an L-shaped bent part inserted into the guide groove, The L-shaped bent portion of the plate-shaped locking member is composed of a first side connected to the holding portion and a second side including a tip portion, and the first side is inclined and connected to the holding portion. The elevator door device is characterized in that the length of the second side is formed larger than that of the guide groove.   The locking member includes a connecting portion between the holding portion and the first side of the L-shaped bent portion, a movable portion that deforms when a load is applied to the door, and the L-shape when the movable portion is deformed. A corner portion where the first side and the second side of the mold bent portion intersect with each other is constituted by a fulcrum portion which is pressed against the side surface of the guide groove and becomes a rotation center, and by the rotation around the fulcrum portion, 2. The elevator door device according to claim 1, wherein the second side of the L-shaped bent portion is sandwiched substantially horizontally between the opposing side surfaces of the guide groove.   3. The elevator door device according to claim 2, wherein the movable portion of the detachment preventing member has a weaker strength than the second side of the L-shaped bent portion.   4. The elevator door device according to claim 3, wherein a second side of the L-shaped bent portion constituting the slip-off preventing member is made of a material softer than a material constituting the sill.   The elevator door device according to claim 3, wherein the detachment prevention member is integrally formed with the guide shoe.   The elevator door device according to claim 2, wherein the detachment preventing member is attached to a lower end of the door separately from the guide shoe.

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