KR20120049740A - Disconnection prevention system of platform door of elevator - Google Patents

Abstract

PURPOSE: A separation preventing device of a platform door of an elevator is provided to stably open and close a platform door and to prevent crashes because the lower part of the platform door is not separated from a guide groove of a guide rail in spite of pressure or impact. CONSTITUTION: A separation preventing device of a platform door of an elevator comprises a fixing member(1) and an inserting member(2). The fixing member has a locking and fixing unit(10) in the upper part. The underside of the fixing member is fixed at the bottom surface of a guide groove of a platform door. The fixing member applies fixing force in order not to separate the bottom of the fixing member due to pressure or impact applied to the platform door The inserting member includes an insertion fixing unit(20) and pads(21). When the platform door closes, the insertion fixing unit is inserted in the locking and fixing unit. When the platform door opens, the insertion fixing unit of the inserting member is separated. The pads are attached in both sides of the platform door and are contacted with both sides of the guide groove. The top of the pads is fixed in a boss unit of the platform door.

Description

Disconnection prevention system of platform door of elevator}

The present invention relates to a departure prevention device of the landing door that is installed and opened in the landing of the elevator, and more particularly, the pressure or shock applied to the landing door while being mounted at the position where the door shoe is mounted to perform the role of the door shoe as it is. The lower part of the landing door from the guide rail of the guide rail to prevent the falling off of the landing door of the elevator to prevent the fall accident.

In general, the elevator is a means for quickly and smoothly moving the passengers between floors while moving up and down the elevator car installed on the hoistway inside the building vertically by the drive of the hoisting machine. The installation of safety devices that can be guaranteed to the maximum extent is essential.

Thus, the conventional elevator provided in the building is to lift and lower the elevator car equipped with the elevator car door that is opened and closed for passengers in the elevator by the hoisting machine, the arrival and movement of the elevator car in the platform of each floor of the building The landing door is provided.

And, the elevator is provided with the elevator car door 112 provided in the elevator car 110, and the landing door 102 provided in the landing 100 as shown in Figure 9 is provided to open and close when passengers boarding For example, the elevator car door 112 or the landing door 102 is a door shoe on the guide groove 122 of each guide rail 120 embedded in the lower surface of the elevator car 110 and the floor 100 of the landing hall 100. 130 is slid, that is, a shoe 132 of a synthetic resin such as rubber is mounted to the boss portion 104 formed at the bottom of each door 112 and 102 by the connecting piece 134 so that the shoe 132 is guided. It is configured to open and close while sliding on the groove 122.

However, each door provided in the elevator as described above, in particular, the landing door 102 is simply supported by the sole 132 of the door shoe 130 is inserted into the guide groove 122 of the guide rail 120. By doing so, the shoe 132 is easily guided away from the guide groove 122 due to abrasion of the shoe 132 due to frequent opening or closing, or even by the small pressure or impact applied to the platform 100 side. Easily separated from the lower part of the landing door 102 is pushed toward the hoistway, the problem occurred, which caused a large defect that frequently occurs fall accident.

In order to solve such a problem, various types of departure prevention apparatuses have been proposed to prevent the departure of elevator doors. Patent No. 10-742315 discloses an elevator door departure prevention apparatus or Patent Publication No. 10-2009. -122740 "Elevation prevention device for elevator doors" has been limited.

In the case of the above conventional registered patent or published patent, separate mounting brackets are mounted on each door to prevent the doors from being separated, and the separate fixing brackets which are engaged or contacted with each other at a position corresponding to the mounting brackets or By forming the fixing part or the like, the door is configured to be prevented from coming off from the pressure or impact applied to the door.

However, in the case of the above conventional registered patent or published patent, it is cumbersome to install a separate mounting bracket or the like on the door, and a fixing bracket or a fixing portion provided to prevent the detachment due to engagement or contact with the door is formed. In addition to the problem of having a fairly difficult condition to secure the installation space, such as the assembly work also had a very troublesome and inconvenient problem.

The present invention has been made to solve the above-mentioned conventional problems, the main object of the landing door from the pressure or impact applied to the landing door while performing the role of the door shoe is mounted in the position where the door shoe is mounted as it is The lower part is to prevent from being separated from the guide groove of the guide rail.

Another object of the present invention is to be inserted and fixed at two points of different height to have a high bearing capacity.

Another object of the present invention is to minimize the lifting of the lower part of the landing door from the pressure or impact applied to the landing door.

Still another object of the present invention is to provide a high holding force and a supporting force by a simpler structure.

Still another object of the present invention is to provide excellent compatibility and easy installation.

Still another object of the present invention is to make it easy to replace the pad in contact with the guide groove of the guide rail.

The present invention for solving the technical problem as described above, in the separation prevention device for preventing the departure of the landing door of the elevator sliding and opening on the guide groove of the guide rail embedded in each floor of the landing platform, A fixing member having a fixing member formed on the bottom surface of the guide groove, the fixing member having a fixing force to prevent the lower part from escaping due to pressure or impact applied to the landing door; When the landing door is closed, the landing door is inserted into the latch fixing part and fixed, and when the opening door is inserted, an insertion fixing part is formed. Each pad is attached to both sides of the guide groove, and the upper part of the boss is formed in the landing door. Characterized in that it consists of an insertion member fixed to the mounting.

The locking fixing portion, the insertion space is inserted into the insertion fixing portion of the insertion member is formed in the middle, each side has a different height, each fixing piece is formed in a direction facing each other at the top; The insertion fixing part is characterized in that each insertion piece is formed on both sides of the fixing piece is positioned at a height corresponding to each other and inserted into the bottom surface of the fixing piece.

The fixing piece formed at a lower height from the bottom of the locking fixing part and the insert piece fixed and separated therefrom are on the hoistway side. .

The locking fixing portion, the fixing ring portions of different heights are bent to each other in the opposite direction so that the insertion fixing portion of the insertion member is fixed to the upper portion; The insertion fixing portion, characterized in that each of the hook portion having a different height to be fixed to each of the fixing ring portion with the receiving space interposed therebetween the receiving space inserted into the outer side of the fixing ring portion is formed.

The fixing ring portion having a high height to the bottom of the locking fixing portion and the locking ring portion fixed and separated therefrom are on the hoistway side, and the fixing ring portion having a low height from the bottom and the locking ring portion fixed and separated therefrom are located on the landing side. It is done.

The locking fixing portion is formed with a bending fixing piece bent toward the hoistway side; The insertion fixing portion, the bending fixing piece is inserted into the lower portion is formed on one side of the bending engaging piece to be in contact with the bottom surface of the bending fixing piece and the support piece for supporting the opposite side of the bending fixing piece on the opposite side of the bending fixing piece is further formed It is done.

The insertion member may further include an extension part extending to be mounted to an inner side surface of the landing door instead of the boss part formed on the landing door to the upper part where the pad is attached.

The pad may be detachably attached by a fastening member from fastening holes formed at both sides of the insertion member.

The present invention is installed in the position where the door shoe is mounted so as to prevent the lower part of the landing door from being lifted away from the guide groove of the guide rail from the pressure or shock applied to the landing door while performing the role of the door shoe as it is, Safety is also excellent because the landing door can be opened and closed as well as to prevent falling accidents.

In addition, by being inserted and fixed at two points of different heights to have a high bearing capacity, it has a remarkable effect that can prevent the base of the landing door from being left off.

In addition, it is possible to minimize the lifting of the lower part of the landing door from the pressure or impact applied to the landing door, thereby ensuring the maximum safety for the user of the landing door and use it safely.

In addition, it is possible to have a high fixing force and a supporting force by a simpler structure, the production is simple, the manufacturing cost is low, and has an effect that can increase the diffusion efficiency.

In addition, it is excellent in compatibility, so that the mounting can be made easily, there is an effect that the application can be made smoothly regardless of the form of the landing door.

In addition, by making it easy to replace the pad in contact with the guide groove of the guide rail, not only the maintenance is made smoothly but also has the effect of ensuring a long service life.

1 is a perspective view of main parts schematically showing the present invention.
Figure 2a is a schematic front sectional view of the main portion of the state installed in the landing according to FIG.
2b is a schematic side view in cross section according to FIG. 2a;
Figure 3 is a perspective view of the main portion schematically showing another embodiment of the present invention.
Figure 4 is a schematic side cross-sectional view of the main portion of the state installed in the landing according to FIG.
Figure 5 is a perspective view of the main portion schematically showing another embodiment of the present invention.
Fig. 6 is a schematic side sectional view of the main part of the installed state in the platform according to Fig. 5;
Figure 7 is a side cross-sectional view schematically showing another embodiment of the present invention.
8 is a main view schematically showing another embodiment of the present invention.
9 is a schematic main view showing a landing door of a general elevator.

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

1 is a perspective view schematically showing the main part of the present invention, and FIG. 2A is a schematic main sectional view of a main part of a state installed in a platform according to FIG. 1, and FIG. 2B is a schematic main sectional side view of FIG. 2A.

In the departure prevention device for preventing the departure of the landing door 102 of the elevator slidingly opened and closed on the guide groove 122 of the guide rail 120 embedded in the floor 100 of each building as shown,

According to the present invention, the lower part of the landing door can be prevented from escaping from the guide groove of the guide rail from the pressure or impact applied to the landing door while being mounted at a position where a conventional door shoe is mounted. To ensure that

A locking fixing part 10 coupled to an insertion fixing part of an insertion member provided in a landing door to be described later is formed at an upper part of the lower surface of the guide groove 122. A fixing member (1) having a fixing force to prevent the lower part from escaping by the applied pressure or impact;

When the landing door 102 is closed in the lower part is inserted into the locking fixing portion 10 and fixed, the insertion fixing portion 20 is formed so as to be separated when the opening door 102 is closed, and both sides act as shoes of a conventional door shoe. Each pad 21, which is a conventional synthetic resin such as rubber or the like in contact with both sides of the guide groove 122, is attached by a conventional adhesive or the like, and the upper part of the pad is screwed into the conventional boss portion 104 formed in the landing door 102. It is shown that it is composed of the insertion member (2) which is fixed by mounting.

In the above, it is preferable that the insertion member provided in the landing door is provided in a pair of landing doors like a conventional door shoe, and the fixing members are paired onto the guide grooves of the guide rails corresponding to the insertion members. It is preferable to provide.

As described above, when the landing door is opened and closed by a locking part of the holding member fixed to the guide groove of the guide rail, that is, when the landing door is closed, the insertion member mounted on the boss of the landing door is closed. The insertion fixing part is slid and inserted into the locking fixing part of the fixing member mounted at the corresponding position on the guide groove of the guide rail, thereby preventing the lower part from being lifted off even by pressure or impact applied to the landing door. will be.

In addition, when the landing door is opened, the insertion fixing part of the insertion member mounted on the boss of the landing door, such as the landing door, is separated from the locking member of the fixing member mounted on the guide groove of the guide rail. will be.

Accordingly, in the state in which the landing door is closed, the lower part of the landing door is fixed by the fixing member and the insertion member, so that the user who uses the landing hall does not escape from pressure or shock applied from the outside. It will have a high safety to prevent falls and the like.

The locking fixing part 10 has an insertion space 12 into which the insertion fixing part 20 of the insertion member 2 is inserted, and has different heights on both sides thereof, and faces each other to the top. Each fixing piece 13 is formed in a direction;

The insertion fixing portion 20, it is preferable that each of the insertion pieces 22 which are positioned at the height corresponding to each other of the fixing piece 13 on both sides and inserted into the bottom of the fixing piece.

In other words, the locking fastening portion is formed by each of the fixing pieces having different heights, and the insertion pieces corresponding to each of the fixing pieces also have different heights so as to contact each other by sliding insertion fixed, so that not two points but one point As they are fixed to each other at, they may have a higher holding force as well as a bearing force.

As a result, the lower part of the landing door can be prevented from being exhaled by the pressure or shock applied from the outside, thereby having a condition to ensure high safety.

In addition, the fixing piece 13 formed at a lower height from the bottom of the locking fixing part 10 and the insertion piece 22 of the insertion fixing part 20 fixed and separated therefrom are on the hoistway side and have a high height from the bottom. The fixing piece 13 of the fixing part 10 and the insertion piece 22 of the insertion fixing part 20 fixed and separated therefrom are positioned on the landing 100 side, and thus, due to the pressure or impact applied to the landing side, As each insertion jaw of the insertion fixing part is supported and fixed at two different heights at the front side of the hoistway side and the two rear sides of the hoistway side respectively, it has a higher support force and a fixing force to prevent the sliding itself, and thus the lower part of the landing door It can minimize the thing.

And, the pad 21 formed on both sides of the insertion member 2 is in contact with the inner surface of the guide groove 122 of the guide rail 120, like the shoe of the conventional door shoe, the sliding of the landing door is stable and smooth In addition to guiding to be made so that the landing door serves to minimize the flow of the left and right on the guide groove.

Therefore, the present invention prevents the lower part of the landing door from being excited by the fixing member and the inserting member while performing the same role as the door shoe in the process of sliding and opening the landing door, thereby causing a fall accident due to the departure of the landing door. By blocking the problems such as the source will have a condition that can ensure a high safety.

Figure 3 is a perspective view of the main portion schematically showing another embodiment of the present invention, Figure 4 is a schematic side cross-sectional view of the main portion of the state installed in the landing according to FIG.

As shown in the above configuration, in the above-described principle, the locking fixing portion of the fixing member and the insert fixing portion of the insertion member are slidably inserted and fixed and separated, but in order to allow the technical configuration to be reversed.

The locking fixing portion 10, the fixing ring portion 14 of different heights are bent to each other in the opposite direction so that the insertion fixing portion of the insertion member is fixed to the upper portion;

The insertion fixing part 20 has a different height so as to be hooked and fixed to each of the fixing ring part 14 on both sides with the receiving space 23 inserted into the outer side of each fixing ring part at the bottom. It is shown that the hook portion 24 is formed.

Accordingly, the insert fixing portion of the insertion member is not inserted into the locking portion of the fixing member, but on the contrary, the insertion fixing portion of the insertion member is inserted into the outside of the locking portion of the fixing member to be fixed and separated. .

That is, by allowing the locking ring portion of the insert fixing portion to slide out and fixed to the outer side of the fixing ring portion of the locking fixing portion, as described above, it is possible to have a high holding force and a fixing force by the two fixing points and the locking ring portion. As it will be able to prevent the lower part of the landing door is lifted off.

On the other hand, in order to minimize the phenomenon of being pushed by the pressure or impact applied from the landing side, the fixing ring portion 14 having a high height to the bottom of the locking portion 10 and fixed and separated therefrom The hook ring part 24 is located on the hoistway side, and the fixed hook part 14 having a low height from the bottom surface and the catching ring part 24 fixed and separated therefrom are placed on the hoistway side, so that the hook ring part 24 is placed by the hoistway. When the two points are in close contact with each other in close contact with each other, the two points have high fixation force and support force, thereby minimizing the phenomena, and thereby preventing the lifting or leaving.

Figure 5 is a perspective view of the main portion schematically showing another embodiment of the present invention, Figure 6 is a schematic side cross-sectional view of the main portion of the state installed in the platform according to FIG.

In the above configuration as shown, in order to have a simpler structure of the locking fixing portion of the fixing member and the insertion fixing portion of the insertion member,

The locking fixing portion 10 formed on the fixing member 1 is formed with a bending fixing piece 16 bent to the hoistway side at an upper portion thereof;

Insertion fixing portion 20 formed in the insertion member (2), the bending fixing piece 16 is inserted into the lower portion and a bending engaging piece (26) is formed on one side and abuts the bottom surface of the bending fixing piece and the bending stop It is shown that the support piece 27 for supporting the opposite side of the bending fixing piece 16 is further formed on the opposite side of the bias.

Accordingly, the lifting of the lower part due to the pressure or impact applied to the landing door prevents lifting by the bending catching piece engaged with the bending fixing piece, and at the same time, to prevent the rolling of the support piece supporting the opposite side of the bending fixing piece. By preventing the rolling by the structure, compared with the above-described locking or inserting portion, the structure is simple to maintain a high holding force and support force while being able to prevent the lower part of the landing door is lifted off.

7 is a side cross-sectional view schematically showing another embodiment of the present invention.

In the above configuration as shown, the insertion member is formed in the conventional landing door is described as an example that is mounted on the boss portion that the door shoe is mounted, but there is no boss portion according to the landing door or door that is not the boss portion if necessary In order to be able to attach directly to the inner surface of the

The insertion member 2 further shows that an extension portion 2a extending to be mounted to the inner side of the landing door 102 is not formed in the landing door 102 but is formed at the upper portion where the pad 21 is attached. will be.

In the above, the extension may be formed by bending one or more times or assembling or connecting several pieces depending on the width or shape of the landing door.

Accordingly, the extension part further formed in the insertion member allows direct mounting to the inner side surface of the landing door directly without a boss part formed in the landing door as required or as necessary, thereby providing excellent compatibility.

8 is a main view schematically showing another embodiment of the present invention.

In the above configuration as shown, in order to be replaced more easily when you want to replace by wear in the process of using the pads attached to both sides of the insertion member,

The pad 21 can be fastened and fixed by a conventional nut and bolt or fastened by a fastening member 30 such as a screw or the like from the fastening hole 32 formed at both sides of the insertion member 2 to which the pad is fastened. It is shown to be attached.

Accordingly, when the pad is to be replaced due to wear or the like in the process of use, it can be easily and easily replaced by a fastening member, so that the sliding door door can be stably made as in the shoe of the conventional door shoe. Maintenance of the pad can be easily performed while minimizing fluidity from the groove.

1: fixing member
10: locking fixing part 12: insertion space
13: fixing piece 14: fixing ring
16: bending fixing piece
2: insertion member
2a: extension part
20: insertion fixing part 21: pad
22: insertion piece 23: receiving space
24: hook portion 26: bending hook
27: support piece 30: fastening member
32: fastener
100: platform
102: landing door 104: boss
120: guide rail 122: guide home

Claims (8)

In the separation prevention device for preventing the departure of the landing door of the elevator that is opened and closed on the guide groove of the guide rail embedded in the floor of each landing of the building,
A locking member 10 is formed at an upper portion thereof, and a bottom surface is fixed to the bottom surface of the guide groove so that the lower portion is prevented from being lifted off by the pressure or shock applied to the landing door. ;
When the landing door is closed at the lower part is inserted into the locking fixing portion and is fixed, the insertion fixing portion 20 is formed so as to be separated at the opening, each side of the pad 21 is in contact with both sides of the guide groove is attached The upper portion of the elevator door departure prevention device, characterized in that consisting of an insertion member (2) fixed to the boss formed on the landing door. The method of claim 1,
The locking fixing part 10 has an insertion space 12 in which an insertion fixing part of the insertion member is inserted in the middle, and has different heights on both sides thereof, and each fixing piece in a direction facing each other at the top ( 13) is formed;
The insertion fixing part 20 is located on both sides of the height of each of the fixing pieces to prevent the separation of the landing door of the elevator, characterized in that each insertion piece 22 is inserted into the bottom of the fixing piece is formed. Device. The method of claim 2,
The fixing piece 13 formed at a low height from the bottom of the locking fixing portion 10 and the insertion piece 22 fixed and separated therefrom are on the hoistway side, and the fixing piece 13 having a high height from the bottom is fixed and separated therefrom. The insertion piece 22 to be separated from the landing door of the elevator, characterized in that located on the landing side. The method of claim 1,
The locking fixing portion 10, the fixing ring portion 14 of different heights are bent to each other in the opposite direction so that the insertion fixing portion of the insertion member is fixed to the upper portion;
The insertion fixing portion 20, each of the hook portion having a different height so as to be fixed to each of the fixing ring portion on both sides with the receiving space 23 inserted into the outer side of the fixing ring portion at the bottom. A departure preventing device of the landing door of the elevator, characterized in that the 24 is formed. The method of claim 4, wherein
The fixing ring portion 14 having a high height to the bottom of the locking fixing portion 10 and the locking ring portion 24 fixed to and separated from each other are the lifting ring side, and the fixing ring portion 14 having a low height from the bottom thereof is connected thereto. Locking and detaching hook portion 24 is separated from the landing door of the elevator, characterized in that located on the landing side. The method of claim 1,
The locking fixing portion 10, the bending fixing piece 16 is bent in the hoistway side is formed thereon;
The insertion fixing portion 20, the bending fixing piece is inserted into the lower portion is formed with a bending engaging piece 26 to abut on the bottom of the bending fixing piece on one side and supports the opposite side of the bending fixing piece on the opposite side of the bending engaging piece Detachment device of the landing door of the elevator, characterized in that the support piece 27 is further formed. The method according to any one of claims 1 to 6,
The landing door of the elevator, characterized in that the insertion member (2) is further extended to be mounted to the inner surface of the landing door rather than the boss portion formed in the landing door to the upper side to which the pad 21 is attached. Departure prevention device. The method of claim 7, wherein
The pad 21 is detachably attached to the landing door of the elevator, characterized in that the detachable attachment by the fastening member 30 from the fastening hole 32 formed on both sides of the insertion member (2).

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