JP2003034477A - Riding car of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce man-hours of screw fastening work at a job site, to largely shorten assembling time of respective side plates for constituting a riding car, and to largely shorten an installing work period of an elevator. SOLUTION: An inverse bell crank hole 5 is formed in respective side surface parts 6 of the respective side plates 2. When connecting the mutual respective side plates 2, the nut 9 side of a preassembled set bolt 3 or the head side of a bolt 8 is inserted into an upper hole 10 of the inverse bell crank hole 5, and is moved to the lower hole 7 side so that the mutual respective side plates 2 can be connected only by mutually screwing in the bolt 8 and a nut 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car, and more particularly to an elevator car which is capable of significantly reducing labor, time, etc. when assembling the side plates constituting the car to produce an inner wall of the car. Regarding the car.

[0002]

2. Description of the Related Art In elevators installed in various buildings, as shown in FIG. 6, a car 104 having a plurality of side plates 102 combined with an entrance 103 on one surface thereof.
After forming the door, a plurality of doors, for example 2
When the doors 105 are arranged and the car 104 is moved up and down, each door 105 closes the doorway 103, and when a user gets in and out, slide each door 105 left and right to open the doorway 103. There is.

[0003]

By the way, when installing such an elevator in a building or the like, when the elevator construction is started, the installation is completed immediately, and the elevator is used for transporting workers to the upper part of the building and carrying in materials. It is required to use it to increase the efficiency of construction.

Also, when a new elevator is installed at a transportation station or the like, the construction work often impedes the traffic rush, so that the completion is often hurried.

However, in such an elevator, when the side plates 102 are connected to each other to assemble the car 104, as shown in FIG. 7, after the end face portions 106 formed at the ends of the side plates 102 are butted against each other. The bolt 108 is inserted from one end face portion 106 side into the fastening through hole 107 formed in each end face portion 106, and the washer 10 is attached to the screw portion of the bolt 108 from the other end face portion 106 side.
9 is inserted and fastened with a nut 110, and each side plate 10
I try to conclude two.

At this time, about seven through holes 107 are formed for each end face portion 106 of each side plate 102, and when assembling one car 104, the bolts 108 are inserted into about 70 through holes 107. Washer 109, nut 110
Since these must be fastened, it takes a lot of time and labor when assembling the car 104, and after starting the installation of the elevator,
There was a problem that it was difficult to shorten the period until completion.

In view of the above circumstances, the present invention provides an elevator car capable of significantly shortening the installation work period of the elevator by significantly shortening the assembly time of each side plate constituting the car. It is an object.

[0008]

In order to achieve the above-mentioned object, the present invention provides an elevator car including connecting bent portions formed at ends of side plates constituting a peripheral wall. A large-diameter hole having a diameter larger than the nut diameter in each of the bent portions, and a small-diameter hole communicating with the large-diameter hole and having a diameter smaller than the nut diameter and larger than the bolt shaft diameter is formed. After the bolt is inserted into the large diameter hole, it is moved to the small diameter hole side so that the nut and the bolt are screwed into each other and the bent portions are connected to each other.

Further, in an elevator car formed by connecting bent portions formed at ends of side plates constituting a peripheral wall of the car, each bent portion has a width smaller than a nut diameter. An L-shaped notch is formed, and after a bolt with a nut is inserted from the release portion side of the notch, the nut and the bolt are screwed into each other by moving it downward through the deep side of the notch, The bent portions are connected to each other.

[0010]

1 is a perspective view showing an embodiment of an elevator car according to the present invention.

The elevator car 1 shown in FIG. 1 (a)
Is composed of a plurality of side plates 2 forming the side wall of the car 1, a plurality of set bolts 3 fastening each side plate 2, and the like.

Each side plate 2 has a plate portion 4 formed to be flush with each other.
And an end surface portion 6 formed by bending an end portion of the plate portion 4 outward and having a reverse sill hole 5 formed in a predetermined portion. When the elevator is installed, each end surface of each side plate 2 is provided. The parts 6 are butted against each other to form a plurality of set bolts 3.
It is concluded with.

Each set bolt 3 has a bolt 8 having a threaded portion having an outer diameter corresponding to the diameter of the pilot hole 7 of each reverse sham hole 5 formed in each side surface portion 6, and a nut 9 screwed into the bolt 8.
It has and.

Then, the nut 9 is screwed into the bolt 8 and brought into an elevator installation site in a state where these are integrated, and the head side of the bolt 8 or the nut 9 side is moved to each side plate 2 by an operator. After being inserted into the upper hole 10 of the reverse daruma 5 formed in the side surface portion 6, it is lowered to the side of the lower hole 7 of the reverse daruma 5, and the bolts 8 and the nuts 9 are screwed into each other to connect the side plates 2 to each other. It In this case,
As shown in (b), if the head diameter of the bolt 8, that is, the nut diameter is 15 mm and the shaft diameter of the bolt is 5 mm, the diameter of the large diameter portion of the reverse Dharma hole 10 is about 13 mm and the diameter of the small diameter portion 7 is A diameter of about 7 mm is suitable.

Thus, in this embodiment, each side plate 2
When each side plate 6 is formed with a reverse-sharma hole 5 and the side plates 2 are connected to each other, the nut 9 side of the preassembled set bolt 3 or the head side of the bolt 8 is mounted on the reverse-sharma 5 upper hole 1
The side plates 2 can be connected to each other only by inserting them into the pilot hole 0, moving them to the prepared hole 7 side, and screwing the bolts 8 and the nuts 9 into each other. 9 can be inserted into the pilot hole 7 to perform screw tightening work, thereby reducing the work man-hour, significantly shortening the assembling time of each side plate 2 constituting the car 1, and installing the elevator. The construction period can be shortened significantly.

Further, in this embodiment, as the through hole into which the bolt 8 is inserted, the reverse sham hole 5 in which a part of the upper hole 10 and a part of the lower hole 7 are superposed is formed. The area of the through-hole portion formed in each end face portion 6 can be minimized, and each end face portion 6 of each side plate 2 can have sufficient strength.

Further, in the above-described embodiment, each side surface portion 6
The side plate 2 is connected to each other with the set bolt 3 by forming the reverse sulcus hole 5 on the side. However, as shown in the side view of FIG. 16 may be formed, and the large diameter hole 15 and the small diameter hole 16 may be communicated with each other by the communication hole 17 having a width narrower than the diameter of the small diameter hole 16.

With this configuration, when the side plates 2 are connected to each other, the preassembled set bolt 3 is
The nut 9 side or the head side of the bolt 8 is inserted into the large-diameter hole 15 and moved to the small-diameter hole 16 side.
The side plates 2 can be connected to each other only by screwing each other together, and a constriction 18 is formed between the large diameter hole 15 and the small diameter hole 16 so that the bolt 8 inserted into the small diameter hole 16 is large. It is possible to prevent the bolt 8 from moving to the large diameter hole 15 side even when the nut 9 is loosened by making it difficult to move to the large diameter hole 15 side.

Further, since the inner diameter of the small diameter hole 16 can be made larger than the screw outer diameter of the bolt 8, each side plate 2
After adjusting the front and rear position of the car to adjust the unevenness formed on the inner wall of the car 1, set the side plates 2 with the set bolts 3.
Since it can be connected, it is possible to absorb a dimensional error or the like and make the inner wall surface of the car 1 flush.

Further, in each of the above-mentioned embodiments, the side wall 6 is formed with the reverse sill hole 5 or the large diameter hole 15 and the small diameter hole 16, and the side plates 2 are connected by the set bolt 3. However, as shown in the side view of FIG. 3, an inverted L-shaped notch 25 may be formed in each side surface portion 6 and the side plates 2 may be connected to each other by the set bolt 3.

Also in this way, when the side plates 2 are connected to each other, the threaded portion of the preassembled set bolt 3 is inserted into the notch 25 from the rear side of the side plate 2 and then moved downward. By simply screwing the bolt 8 and the nut 9 into each other, the side plates 2 can be connected to each other, and the bolt 8 inserted in the lower side of the notch 25 is made difficult to move upward, so that the nut 9 is loose. Even at this time, the bolt 9 can be prevented from coming off the notch 25.

Further, in the above-mentioned embodiment, the bolt 8 and the nut 9 constitute the set bolt 3, but as shown in the perspective view of FIG. After inserting a washer 30 such as a washer,
The nut 9 may be screwed in to form the set bolt 3.

Even in this case, as in the above-described embodiment, the time required for assembling the side plates forming the car 1 can be greatly shortened, and the elevator installation work period can be greatly shortened. It is possible to prevent the bolt 8 and the nut 9 from loosening and prevent the bolt 8 from falling off.

Further, in each of the above-mentioned embodiments, by the commonly used ordinary bolts 8 and nuts 9,
Although the set bolt 3 is configured, as shown in the perspective view of FIG. 5, the set bolt 3 is formed by a bolt 36 having a square washer 35 formed at the root of the screw portion and a nut 9 screwed into the bolt 36. May be configured.

By doing so, the bolt head side or the nut 3 side of the set bolt 3 is inserted into the upper hole 10 of the reverse sill hole 5 and moved to the lower hole 7 side or the like, and the bolt 36 and the nut. When 9 are screwed into each other, the square washer 35 engages with the edge of the pilot hole 7 or the like to prevent the idle rotation of the bolt 36. Therefore, the bolt head side of the set bolt 3 can be moved from one of the end face portions 6 to each other. Reverse Daruma hole 5
After inserting the nut 9 side, while pulling the nut 9 side toward you, simply screw the nut 9 in
The nut 9 can be fastened.

As a result, the work of fastening the bolt 8 and the nut 9 becomes easy, the efficiency of the work of assembling the car 1 is further increased, the assembling cost and working time can be reduced, and the idling of the bolt 36 can be prevented. It is possible to prevent the bolt 8 and the nut 9 from loosening.

[0027]

As described above, according to the present invention, it is possible to significantly reduce the assembling time of each side plate constituting the car, and to significantly shorten the elevator installation work period.

Even if the bolts and nuts become loose,
The bolts are prevented from falling off, and the car entrance / exit (face) can be adjusted to absorb dimensional errors.

Furthermore, when the bolt and the nut are screwed together, the bolt can be prevented from idling and the fastening operation can be facilitated.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an elevator car according to the present invention.

FIG. 2 is a partially enlarged side view showing another embodiment of the elevator car according to the present invention.

FIG. 3 is a partially enlarged side view showing still another embodiment of the elevator car according to the present invention.

FIG. 4 is an exploded perspective view showing still another embodiment of the elevator car according to the present invention.

FIG. 5 is an exploded perspective view showing still another embodiment of the elevator car according to the present invention.

FIG. 6 is a plan view showing an example of a conventionally known elevator car.

7 is a partially enlarged plan view showing a detailed configuration example of an area A shown in FIG.

[Explanation of symbols]

1: Car 2: Side plate 3: Set bolt (bolt with nut) 4: Board 5: Reverse Daruma hole 6: End face part (folded part) 7: Pilot hole (small diameter hole) 8: Bolt 9: Nut 10: Top hole (large diameter hole) 15: Large hole 16: Small hole 17: Communication hole 25: Notch 30: Washer 35: Square washer 36: Bolt

Claims (6)

[Claims] 1. An elevator car comprising connecting bent portions formed at end portions of side plates constituting a peripheral wall, wherein each bent portion has a large diameter hole having a diameter larger than a nut diameter. , A small-diameter hole communicating with the large-diameter hole and having a diameter smaller than the nut diameter and larger than the bolt shaft diameter is formed, and after inserting a bolt with a nut into the large-diameter hole, the small-diameter hole side And the nuts and bolts are screwed into each other to connect the bent portions to each other. 2. The elevator car according to claim 1, wherein the large-diameter hole is formed on an upper side of each bent portion so that a part of the large-diameter hole overlaps a lower side of the large-diameter hole. An elevator car characterized in that a small-diameter hole is formed in the, and an inverted Daruma hole is formed as a whole. 3. The elevator car according to claim 1, wherein the large diameter hole is formed on an upper side of each bent portion, and a small diameter is formed below the large diameter hole so as not to overlap with the large diameter hole. An elevator car, wherein holes are formed and a communication hole is formed between the large diameter hole and the small diameter hole. 4. An elevator car comprising connecting bent portions formed at ends of side plates forming a peripheral wall of the car, wherein each bent portion has a width smaller than a nut diameter. L
A letter-shaped notch is formed, and after inserting a bolt with a nut from the release portion side of the notch, move it downward through the back side of the notch to screw the nut and bolt into each other, and An elevator car, characterized in that the bent portions are connected to each other. 5. The elevator car according to any one of claims 1 to 4, wherein a washer is inserted into a threaded portion of the nut-equipped bolt. 6. The elevator car according to any one of claims 1 to 4, wherein the bolt with the nut has a square washer formed at a root of a screw portion.