JPH09142763A - Door hunger holding metal jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent one-side slant of a door during replacing of the door of an elevator by another. SOLUTION: When an old door hunger is to be replaced by another, first a fixed side holding section 8 is engaged with the upper surface of the attaching section 2a of an old door hunger 2, a movable side holding section 9 is engaged with the upper end section 1a of the door and a grasping section 7 is grasped in the direction of an arrow A by using a grasping section 6 as a support. Thus, the movable side holding section 9 is rotated by using a rotary shaft 10 as a fulcrum and the door hunger 2 and the upper end section 1a of the door 1 are held between the fixed side holding section 8 and the movable side holding section 9. Thereafter, since the old door hunger 2 is suspended from a door rail via a roller 23 even when an attaching bolt 3 for fixing the old door hunger 2 and the upper end section 1a of the door 1 is removed from an attaching hole 2b, the one-side end of the door 1 from which the attaching bolt 3 is removed is prevented from slanting.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hanger knives jig, and more particularly to a door hanger knives jig which prevents the door from falling down when the elevator door is replaced.

[0002]

2. Description of the Related Art FIG. 8 shows a conventional operation of removing a door from a door hanger. As shown in FIG. 8, the door 1 is a door for a horizontally pulled elevator. Then, two positions of the upper edge portion 1a of the door 1 are fixed to two door hangers 2 suspended on a door rail 4 by mounting bolts 3, respectively. On the other hand, at the lower end of the door 1, door shoes 5a and 5b guided by the sill 5 are provided. A gap is usually provided between the sill 5 and the door shoes 5a and 5b.

In general, a roller 23 is attached to an upper portion of the door hanger 2, and the roller 23 rotates and moves on the door rail 4 so that the door hanger 2 moves laterally along the door rail 4. Then, the door 1 opens and closes. As described above, since the door 1 is fixed to and suspended from the door hanger 2, this door hanger 2
The rollers 23 are worn by friction when moving the door rail 4. If the door 1 is opened and closed with the worn roller 23, the door 1 cannot be opened and closed smoothly. Therefore, the door hanger 2 needs to be replaced regularly.

Conventionally, when replacing the door hanger 2, first of all, the door hanger 2 and the mounting bolt 3 are loosened. After that, when the mounting bolt 3 is removed, the upper edge 1a
And the mounting portion 2a of one of the door hangers 2 separates,
As shown in FIG. 8, one end of the distant door 1 is lowered by a gap between the door shoe 5b provided at the lower end of the door 1 and the sill 5.

[0005]

However, when the door 1 is tilted down as described above, as shown in FIG.
The screw part of the mounting bolt 3 for fixing the other door hanger 2 which is still fixed and the upper edge portion 1a of the door 1 is damaged. Further, there is a problem that the mounting portion 2a and the upper edge portion 1a which are still fixed may be twisted or deformed. Further, since the door 1 is inclined, it is difficult to loosen the mounting bolt 3 which is still fixed.

On the other hand, when the doors 1 are fixed to the new door hangers after being replaced with new door hangers and attached to the door rails 4, the door hangers are fixed to the upper edge 1a of the door 1 one by one. Therefore, as described above, the state becomes a downward slope. Also in this case, there is a problem that the threaded portion of the fixed mounting bolt 3 is damaged, and the fixed mounting portion 2a and the upper edge portion 1a are twisted or deformed. Further, there is a problem that it is difficult to tighten the mounting bolt 3 when fixing the door 1 and the door hanger 2 which are one-side down.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a door hanger knives jig that prevents the door from falling down when the elevator door is replaced.

[0008]

In order to solve the above-mentioned problems, the door hanger coring jig according to the present invention is
It has the following features.

(1) A scissor-shaped door hanger hook metal jig for gripping and fixing a door hanger suspended from an elevator door rail and sliding on the door rail, and a door whose upper end is fixed to the door hanger. And
The tip of the first scissor piece is provided with a fixed side jaw that engages with the door hanger, and the tip of the second scissor piece is provided with a movable jaw that engages with the upper end of the door.

Therefore, when replacing the old door hanger, the old door hanger and the upper edge of the door are first clamped by the movable side jaw and the fixed side jaw, and then the old door hanger and the door are fixed, for example. If you remove the mounting bolts, the old door hanger is suspended on the door rail,
One end of the door where the mounting bolt is loosened does not fall down. As a result, it is possible to easily remove the mounting bolt that is still fixed, and the mounting bolt of the other door hanger that is still fixed is not damaged. Furthermore, the still fixed door hanger and the upper edge are not twisted or deformed.

Also, when a new door hanger is attached to the door, if the new door hanger and the door are previously sandwiched by the door hanger hook-and-hook jig of the present invention, the fixing with the mounting bolt becomes easy and already fixed. It does not damage the mounting bolts of the door hanger that is used. Further, the already fixed door hanger and the upper edge portion are neither twisted nor deformed.

(2) In the door hanger coring jig according to (1) above, the other end of the first scissor piece and the other end of the second scissor piece are connected by a compression spring.

Therefore, the movable side jaw portion and the fixed side jaw portion are
Since the old door hanger and the upper edge of the door are clamped by the constant contracting force of the compression spring, the worker does not need to grip the door hanger jaw jig all the time, and the door hanger replacement work Can be performed easily.

(3) In the door hanger knives jig described in (1) above, knurling teeth are provided at the engaging portions of the fixed side knives and the movable side knives, respectively, and both knives are Mesh with each other.

Therefore, when the door hanger and the door are sandwiched, the jaw teeth provided on each of the fixed-side jaw portion and the movable-side jaw portion act as an anti-slip, so that the grip force is increased.

(4) In the door hanger knives jig described in (1) above, the fixed side knives and the movable side knives are formed in a frame shape.

Therefore, the force for sandwiching the door hanger and the door is uniformly applied to the door hanger and the mouth face of the door.
Grip power increases.

(5) In the door hanger hook catch jig according to (1) above, a pivotally mounted latch is provided at the other end of the second scissor piece, and the other end of the first scissor piece is provided. Is provided with a latch for latching the latch.

Therefore, after the door hanger and the door are sandwiched, the clamping force is maintained by hooking the latch on the latch, so that the operator does not have to hold the door hanger gripping jig from beginning to end, and the operator does not have to hold it. You can use both hands to replace the door hanger. Therefore, work efficiency is improved.

(6) In the door hanger barbing jig according to the above (1), a claw is provided at the other end of the second scissor piece through an elastic member, and the other end of the first scissor piece is provided. A ratchet that fits with the pawl is provided.

Therefore, after the door hanger and the door are sandwiched, the gripping force can be maintained by moving the claws and ratchets, so that the operator does not have to grip the door hanger jaw grip jig from beginning to end. Can be used to replace the door hanger. Therefore, work efficiency is improved.

(7) With a scissor-shaped door hanger corrugated metal jig, which holds the door hanger that is suspended on the door rail of the elevator and slides on the door rail, and the door whose upper end is fixed to the door hanger. Yes, first
A movable side jaw portion that engages with the door hanger is provided at a tip end of the scissor piece, and a fixed side jaw portion that engages with an upper end portion of the door is provided at a tip end of the second scissor piece.

Therefore, at the time of pinching, the movable side jaw holds the door hanger so as to push it down against the upper edge of the door. As a result, the position of the mounting hole of the door hanger can be easily adjusted to the predetermined position of the upper edge portion.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described.

Embodiment 1. FIG. 1 is a perspective view showing the configuration of a first embodiment of a door hanger knives jig according to the present invention. FIG. 2 is a perspective view showing the operation of the door hanger hook-and-hook jig shown in FIG. FIG. 5 is a view for explaining the situation of the door hanger replacement work using the door hanger hook metal jig shown in FIG. 1 viewed from the back surface of the door. The same components as those of the elevator structure described above are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 1, the door hanger corrugated iron jig of this embodiment bends the front end portions of the steel materials on the two strips in the longitudinal direction, and further crosses the two steel materials with each other. It is shaped like a scissors. A fixed side jaw portion 8 and a movable side jaw portion 9 are provided at the bent front end portions of the steel materials on the two strips, respectively. On the other hand, at the rear end portion of the steel on the two strips, the grip portion 6,
7 are provided. Further, a rotating shaft 10 is provided at the intersection of the steel materials on the two strips, and the steel materials on the two strips are rotated by the rotating shaft 10 so that they can be opened and closed with respect to each other.

At the meshing portions of the above-mentioned fixed side jaw portion 8 and movable side jaw portion 9, respectively, there are provided jaw teeth 8a, 9a which act as a slip stopper, and both jaw teeth 8a, 9 are provided.
a is formed so as to mesh with each other. Further, the respective engaging portions of the fixed side jaw portion 8 and the movable side jaw portion 9 are shaped like a frame so that when the door hanger to be replaced and the door are to be sandwiched, a clamping force is uniformly applied to the door hanger and the mouthpiece surface of the door. Is formed in.

On the other hand, the grip 6 and the grip 7 are composed of the compression spring 1
Are connected by one. Therefore, the fixed-side jaw portion 8 and the movable-side jaw portion 9 can sandwich the door hanger 2 and the door 1 with a constant clamping force.

Next, the operation of the door hanger hook-and-hook jig of this embodiment will be described with reference to FIGS. 2 and 5.

When replacing the old door hanger, first, the fixed side jaw 8 is engaged with the upper surface of the mounting portion 2a of the old door hanger 2 to be replaced, while the movable side jaw 9 is engaged with the upper edge 1a of the door. Then, the grip portion 6 is supported and the grip portion 7 is gripped in the direction of arrow A. Thereby, the rotating shaft 10
The movable side jaw portion 9 rotates about the fulcrum, and the fixed side jaw portion 8 and the movable side jaw portion 9 can clamp the upper edge portion 1a of the door hanger 2 and the door 1. At this time, the teeth 8 shown in FIG.
From a and 9a, a uniform pressure is applied according to the frame-like shape.
Since it is added to the engagement surface between the a and the upper edge portion 1a, the mounting portion 2a and the upper edge portion 1a can be stably sandwiched by the door hanger hook-and-hook jig of this embodiment. After that, the old door hanger 2
Even if the mounting bolt 3 for fixing the door 1 and the upper edge portion 1a of the door 1 is removed from the mounting hole 2b, the old door hanger 2 is not replaced by the roller 2
Since it is hung on the door rail via 3, the one end of the door 1 from which the mounting bolt 3 has been removed does not fall to the one-sided state, as shown in FIG. Due to this, the door 1 is still
The mounting bolt 3 for fixing the door hanger 2 and the door hanger 2 can be easily removed, and the mounting bolt 3 of the other door hanger 2 which is still fixed is not damaged. Furthermore, the door hanger and the upper edge 1 which are still fixed
The a is neither twisted nor deformed.

On the other hand, when the new door hanger 2 is attached to the door 1, the new door hanger 2 is previously attached to the roller 23.
After being hung on the door rail via the, the mounting portion 2a of the new door hanger 2 and the upper edge portion 1a of the door 1 are sandwiched between the fixed side jaw portion 8 and the movable side jaw portion 9. After that, by fixing the upper surface of the mounting portion 2a of the new door hanger 2 and the upper edge portion 1a of the door 1 with the mounting bolt 3, the mounting bolt 3 can be easily tightened, and the door hanger 2 that has already been fixed The mounting bolt 3 is not damaged. Further, the mounting portion 2a of the door hanger 2 and the upper edge portion 1a, which are already fixed, are neither twisted nor deformed.

Further, according to the door hanger gripper jig of the present embodiment, when the grip portions 6, 7 are gripped, the movable side grip portion 8 is used.
However, the lower surface of the upper edge portion 1a of the door 1 is pushed upward from below. Therefore, particularly when the new door hanger 2 is replaced, the mounting bolt 3 can be easily tightened.

Since the door hanger corrugated iron jig of the present embodiment is made of strip-shaped steel material, it has bending strength in the vertical width direction, so that the fixed side knives 8 and the movable side knives 9 are
Has durability.

Embodiment 2. FIG. 3 is a side view showing the configuration of the second embodiment of the door hanger hook-and-groove jig according to the present invention. It should be noted that the same components as those of the above-described elevator structure and the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

The door hanger corrugated iron jig of this embodiment is
As shown in FIG. 3, in addition to the structure of the door hanger hook-and-hook jig of the first embodiment, a latch 13 is provided at the end of the grip 7.
Is rotatably attached by a hinge 12, while a clasp 1 for latching a latch 13 is attached to the end of the grip 6.
4 are provided. Further, the latch 13 has a hook groove 1
A plurality of 3a are formed. Therefore, the hanging groove 13 is appropriately used.
By selecting a, it is possible to obtain a desired clamping force between the fixed side jaw portion 8 and the movable side jaw portion 9. Further, when the door hanger and the door are clamped, the gripping force is maintained by locking the latching groove 13a of the latch 13 to the stopper 14, so that the operator can continuously grip the grips 6, 7 with each other.
You don't have to hold. Therefore, the operator can use both hands to replace the door hanger. Therefore, work efficiency is improved.

Embodiment 3 FIG. FIG. 4 is a side view showing the configuration of the third embodiment of the door hanger stud jig according to the present invention. It should be noted that the same components as those of the above-described elevator structure and the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the door hanger coring jig of the first embodiment described above, the one on the movable side is the one that engages with the lower surface of the upper edge of the door, but the door hanger corrugating jig of this embodiment is the same. Is a form in which the movable side jaw is engaged with the upper surface of the attachment portion of the door hanger.

That is, as shown in FIG. 4, in the door hanger gripper jig of the present embodiment, the fixed side gripping portion 8 is formed at the bent portion at the tip of the gripping portion 15, and the one hand gripping portion 16 is provided.
A movable side jaw portion 9 is formed at the bent portion at the tip of the. Further, the grip 15 and the grip 16 are provided with a compression spring 17
Are linked by Therefore, the fixed side jaw 8 and the movable side jaw 9 can sandwich the door hanger and the door with a constant clamping force.

Next, the operation of the door hanger corrugated iron jig of the present embodiment will be described with reference to FIGS. 4 and 2 only in the difference from the corrugated iron jig of the first embodiment.

When a new door hanger is attached, first, the fixed side grip portion 8 is engaged with the upper edge portion 1a of the door, while the movable side grip portion 8 is engaged with the upper surface of the mounting portion 2a of the new door hanger 2. Then, the grip portion 16 is gripped with the grip portion 15 as a support. As a result, the movable side jaws 9 are rotated around the pivot shaft 10, and the fixed side jaws 8 and the movable side jaws 9 can sandwich the door hanger 2 and the upper edge 1a of the door 1. At the time of this holding, the movable side jaw 9 holds the mounting portion 2a of the door hanger 2 against the upper edge 1a of the door 1 so as to push it down. This makes the door hanger 2
It becomes easy to match the position of the mounting hole 2b of (1) with the predetermined position of the upper edge portion 1a.

Embodiment 4. FIG. 6 is a perspective view showing the configuration of the fourth embodiment of the door hanger stud jig according to the present invention. FIG. 7 is a side view of the door hanger hook-and-hook jig shown in FIG. It should be noted that the same components as those of the above-described elevator structure and the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

The door hanger corrugated iron jig of this embodiment is
As shown in FIG. 6, in addition to the structure of the door hanger corrugated iron jig of the first embodiment, it has a structure for holding the clamping force.
That is, the engagement 20 is attached to the end of the grip portion 7, and one end of the leaf spring 21 is attached to the engagement 20. The leaf spring 21 is formed with a claw 19 protruding downward. Further, on the other end side of the leaf spring 21, there is provided a protrusion 22 which serves as a clue when pushing up the other end of the leaf spring 21. On the other hand, a ratchet 18 that fits with the claw 19 is provided at the end of the grip portion 6.

Therefore, after engaging the fixed side gripping portion 8 and the movable side gripping portion 9 with the door hanger and the door, the ratchet 18 is pushed up while the protrusion 20 is pushed up with the engagement 20 as a support.
By moving the claw 19 to the desired groove of, it can be held with a desired clamping force. Therefore, the operator can perform the replacement work of the door hanger by using both hands without gripping and tightening the door hanger gripping jig. Therefore, work efficiency is improved.

[0044]

As described above, according to the door hanger knives jig of the present invention, the fixed side knives engaging with the door hangers are provided at the tips of the first scissor pieces, while the second scissor pieces are provided. Since the movable side knives that engage with the upper end of the door are provided at the tip of the door, first replace the old door hanger and the upper edge of the door with the movable side knives and the fixed side when replacing the old door hanger. After sandwiching it with the mouthpiece, fix the old door hanger and the door.For example, if you remove the mounting bolt, the old door hanger is suspended on the door rail. , It doesn't fall down. This makes it possible to easily remove the mounting bolt, without damaging the mounting bolt of the other door hanger that is still fixed, and further twisting or deforming the still fixed door hanger and the upper edge portion. There is nothing to do.

Also, when the new door hanger is attached to the door, if the new door hanger and the door are previously sandwiched by the door hanger hook-and-hook jig of the present invention, the fixing with the mounting bolt becomes easy and already fixed. It does not damage the mounting bolts of the door hanger that is used. Further, the already fixed door hanger and the upper edge portion are neither twisted nor deformed.

[Brief description of the drawings]

FIG. 1 is a first view of a door hanger corrugated iron jig according to the present invention.
It is a perspective view which shows the structure of embodiment.

FIG. 2 is a perspective view showing an operation of the door hanger hook-and-hook jig shown in FIG.

FIG. 3 is a second view of the door hanger corrugated iron jig according to the present invention.
It is a side view which shows the structure of embodiment.

FIG. 4 is a third view of the door hanger corrugated iron jig according to the present invention.
It is a side view which shows the structure of embodiment.

FIG. 5 is a diagram illustrating a situation of a door hanger replacement operation using the door hanger hook metal jig shown in FIG. 1 viewed from the back surface of the door.

FIG. 6 is a fourth example of the door hanger corrugated iron jig according to the present invention.
It is a perspective view which shows the structure of embodiment.

FIG. 7 is a side view of the door hanger hook metal jig shown in FIG.

FIG. 8 is a diagram illustrating a conventional operation of removing a door from a door hanger.

[Explanation of symbols]

1 door, 1a upper edge part, 2 door hanger, 2a mounting part, 2b mounting hole, 3 mounting bolts, 6, 7
Grip, 8 fixed side grip, 9 movable side grip, 10
Rotating shaft, 23 rollers.

Claims (7)

[Claims] 1. A scissor-shaped door hanger knives jig for gripping and fixing a door hanger suspended from an elevator door rail and sliding on the door rail, and a door whose upper end is fixed to the door hanger. Then, the first scissor piece is provided with a fixed-side jaw portion that engages with the door hanger, and the second scissor piece is provided with a movable-side jaw portion that engages with the upper end portion of the door. A door hanger corrugated iron jig characterized by being. 2. The door hanger barbing jig according to claim 1, wherein the other end of the first scissor piece and the other end of the second scissor piece are connected by a compression spring. Hanger hook metal jig. 3. The door hanger knives jig according to claim 1, wherein knurling teeth are provided at respective meshing portions of the fixed-side knives and the movable-side knurls, and the two knurls mesh with each other. Door hanger corrugated iron jig characterized by being. 4. The door hanger knives jig according to claim 1, wherein each of the fixed side knives and the movable side knives is formed in a frame shape. Jigsaw jig. 5. The door hanger stud jig according to claim 1, wherein a pivotally attached latch is provided at the other end of the second scissor piece, and the other end of the first scissor piece is provided. A door hanger hook-and-hook jig, characterized in that a hook for locking the hook is provided. 6. The door hanger barbing jig according to claim 1, wherein a claw is projectingly provided at the other end of the second scissor piece via an elastic member, and the other end of the first scissor piece is provided. A door hanger hook-and-eye jig, wherein a ratchet that fits with the claw is provided. 7. A scissor-shaped door hanger hook metal jig for gripping and fixing a door hanger suspended from an elevator door rail and sliding on the door rail, and a door whose upper end is fixed to the door hanger. The first scissor piece is provided with a movable side jaw portion which is engaged with the door hanger, and the second scissor piece is provided with a fixed side jaw portion which is engaged with the upper end portion of the door. A door hanger corrugated iron jig that is characterized by being.