KR102567457B1 - Safety fence for opening - Google Patents

Abstract

The present invention relates to a safety fence installed in an elevator room opening, and more specifically, both ends of a panel body are supported on the front surface of a wall while a fixture rotatably coupled to the rear surface of the panel body is fixed to the inner surface of the wall of the opening It is about a safety fence for openings that can be firmly fixed and is easy to install and dismantle.
The safety fence for an opening of the present invention is for temporarily closing an opening formed in a wall, and both ends are supported on the front surface of the wall on both sides of the opening, and the panel body is formed with work holes spaced apart from each other on the left and right; and a pair of fixtures rotatably coupled to one side of the work hole on the rear surface of the panel body and fixed to the inner surface of the opening. The fixture includes a fixing plate rotatably coupled to the panel body and in close contact with the inner surface of the opening, and a hook bar slidably coupled to the fixing plate and having hooking portions formed at outer ends to be caught on the rear surfaces of walls on both sides of the opening. It is characterized in that it is composed of.

Description

Safety fence for opening {Safety fence for opening}

The present invention relates to a safety fence installed in an elevator room opening, and more specifically, both ends of a panel body are supported on the front surface of a wall while a fixture rotatably coupled to the rear surface of the panel body is fixed to the inner surface of the wall of the opening It is about a safety fence for openings that can be firmly fixed and is easy to install and dismantle.

During building construction, the elevator room communicates in the vertical direction, and an opening for installing an elevator door is formed on each floor to be connected to the elevator room.

Since the opening of the elevator room remains open until the elevator door is installed, there is a risk of worker fall.

Accordingly, Article 43 of the Rules on Occupational Safety and Health Standards stipulates that protective measures, such as safety railings or fences, be firmly installed in structures with sufficient strength for openings where workers may fall.

Accordingly, in Patent Registration No. 10-2277950, etc., the safety handrail is fixed to the front surface of the wall of the opening with anchor bolts. However, in this case, there are disadvantages in that installation and removal of anchor bolts are cumbersome and time-consuming.

Publicated Utility Model No. 20-2014-0005121 has a support angle whose length is adjustable on the back surface of the protection panel, and secures a safety handrail to the opening by closely adhering the support angle to the side end of the wall of the opening. However, in the above technology, since the support angle is fixed to the side end of the wall of the opening, the safety railing can be displaced to the front by external force. In addition, since the support angle is provided on the rear surface of the protection panel, it is difficult to manipulate the support angle from the corridor side when the safety handrail is installed.

In Publicated Utility Model No. 20-2009-0006308, etc., the frame body is configured to be able to adjust the left and right length, fixed to the side end of the opening wall, and a safety net is coupled to the front of the frame body. However, in this prior art, since the frame body is fixed to the side end of the wall of the opening, the safety handrail may be displaced to the front due to external force. In addition, since the frame body and the safety net are separated, it takes a long time to install and dismantle, and the work is cumbersome.

In order to solve the above problems, the present invention is to provide a safety fence for an opening that can be firmly fixed by being installed in an elevator room opening or the like to ensure safety.

An object of the present invention is to provide a safety fence for an opening that is easy to install and dismantle, has excellent workability and can reduce working time.

The present invention according to a preferred embodiment relates to a safety fence for an opening for temporarily closing an opening formed in a wall, wherein both ends are supported on the front surface of the wall on both sides of the opening, and the panel body is formed with work holes spaced apart from each other on the left and right; and a pair of fixtures rotatably coupled to one side of the work hole on the rear surface of the panel body and fixed to the inner surface of the opening. The fixture includes a fixing plate rotatably coupled to the panel body and in close contact with the inner surface of the opening, and a hook bar slidably coupled to the fixing plate and having hooking portions formed at outer ends to be caught on the rear surfaces of walls on both sides of the opening. It provides a safety fence for the opening, characterized in that configured by.

delete

According to another preferred embodiment of the present invention, a slide ball is formed on the fixed plate, a reaction force portion through which a guide bolt is penetrated is protruded from the inner surface of the fixed plate in front of the slide ball, and the hook bar is formed on the inner surface of the fixed plate. It is provided to be slidably movable, and the engaging portion is provided on the outside of the fixing plate through the slide hole, and the guide bolt is coupled to the inner end of the hook bar so that the slider moving forward and backward by the rotation of the guide bolt is attached to the fixing plate. It provides a safety fence for an opening characterized in that it protrudes inward.

In the present invention according to another preferred embodiment, the fixture further includes a movable plate slidably coupled to the rear surface of the panel body in a horizontal direction, and the fixing plate is rotatably coupled to the movable plate. A safety fence is provided for the opening.

The present invention according to another preferred embodiment provides a safety fence for an opening, characterized in that a reinforcing bar is provided in the horizontal direction inside the panel body.

According to another preferred embodiment of the present invention, a coupling protrusion is protruded from one of the top and bottom of the panel body, and a coupling groove having a shape corresponding to the coupling protrusion is formed on the other one. provide a fence

The present invention according to another preferred embodiment provides a safety fence for an opening, characterized in that a proximity sensor for generating a warning signal by detecting an object approaching within a sensing distance is provided on one side of the panel body.

According to the present invention, there are the following effects.

First, it is for temporarily closing the opening formed in the wall of the elevator room, and both ends of the panel body are supported on the front surface of the wall while the fixture rotatably coupled to the rear surface of the panel body is fixed to the inner surface of the wall of the opening. It is possible to provide a safety fence that can be firmly fixed.

Second, since a safety fence can be constructed simply by rotating the fixture through the work holes formed on the panel body from the inside side, which is the front side of the wall, and fixing it to the wall, it is easy to install and dismantle, so the workability is excellent and the construction period can be shortened. .

1 is a perspective view showing a safety fence for an opening according to the present invention;
Figure 2 is a perspective view showing the installation state of the safety fence for the opening of the present invention.
Fig. 3 is a plan view showing the rotational relationship of fixtures;
4 is a perspective view showing a state in which the fixture is folded;
5 is a perspective view showing a state in which the fixture is unfolded;
6 is a perspective view showing a hook bar;
7 is a perspective view of the hook bar shown in FIG. 6 viewed from another angle;
Figure 8 is a perspective view showing the coupling relationship between the fixing plate and the hook bar.
Figure 9 is a perspective view of the coupling relationship between the fixing plate and the hook bar from another angle.
Figure 10 is a perspective view showing a coupled state of the fixing plate and the hook bar.
Fig. 11 is a perspective view showing a coupling relationship between a fixed plate and a movable plate;
Fig. 12 is a perspective view showing a coupling relationship between a fixture equipped with a movable plate and a panel body;
Fig. 13 is an enlarged view showing part A of Fig. 1;

Hereinafter, the present invention will be described in detail according to the accompanying drawings and preferred embodiments.

1 is a perspective view showing a safety fence for an opening according to the present invention, and FIG. 2 is a perspective view showing an installation state of the safety fence for an opening according to the present invention. And Figure 3 is a plan view showing the rotational relationship of the fixture, Figure 4 is a perspective view showing a state in which the fixture is folded, Figure 5 is a perspective view showing a state in which the fixture is unfolded.

As shown in FIGS. 1 to 5, the safety fence for the opening of the present invention is for temporarily closing the opening 10 formed in the wall 1, and both ends are supported on the front surface of the wall 1 on both sides of the opening 10. A panel body 3 in which work holes 31 are formed at positions spaced apart from each other to the left and right to be; and a pair of fixtures 4 rotatably coupled to one side of the work hole 31 on the rear surface of the panel body 3 and fixed to the inner surface of the opening 10; It is characterized by consisting of.

The present invention is to provide a safety fence for an opening that can be installed in an elevator room opening 10, etc., can be firmly fixed to ensure safety, and is easy to install and dismantle.

The safety fence 2 for the opening can be installed to temporarily close the opening 10 of the wall 1 where there is a risk of falling, such as an elevator room.

The safety fence 2 is composed of a panel body 3 and a fixture 4.

The panel body 3 and the fixture 4 may be formed of a synthetic resin material having excellent durability and light weight.

The panel body 3 is formed to have a wider width than the opening 10, and both ends are supported on the entire surface of the walls 1 on both sides of the opening 10.

In order to be able to fold or unfold the fixtures 4 to be described later on the front side of the safety fence 2, that is, on the corridor side, the panel body 3 is left and right spaced apart from each other, so that each fixture 4 A working hole 31 is formed at the position.

The operator can fold or unfold the fixture 4 through the work hole 31 .

Here, the front side means the corridor side, and the rear side means the elevator room side.

The fixture 4 is provided on the rear side of the panel body 3 .

The fixture 4 is provided with a pair spaced apart from each other left and right. Each fixture 4 is rotatably coupled to one side of the work hole 31, and is fixed to the inner surface of the side end of the wall 1 adjacent to the opening 10.

The fixture 4 is rotatably coupled to the rear surface of the panel body 3 (FIG. 3).

Accordingly, as shown in FIG. 4 , the safety fence 2 can be placed in the opening 10 where the safety fence 2 is to be installed while the fixture 4 is folded and brought into close contact with the rear surface of the panel body 3 .

Thereafter, as shown in FIGS. 1, 2, and 5, the fixture 4 may be rotated outward by 90 degrees to be tightly fixed to the walls 1 on both sides of the opening 10.

The fixture 4 can be easily folded or unfolded by a worker through a work hole 31 formed in the panel body 3 .

Since the fixture 4 is coupled to the panel body 3 to be foldable, stacking is easy when the safety fence 2 is stored or transported, and the stacking volume can be minimized.

In the present invention, since the panel body 3 is supported on the front side of the wall 1 instead of the side, the safety fence 2 does not easily fall off and can be firmly supported by an external force. In addition, since the fixture 4 rotatably coupled to one side of the work hole 31 on the back of the panel body 3 is fixed to the inner surface of the opening 10, the safety fence 2 can be firmly fixed to ensure stability. there is.

In addition, since the safety fence 2 can be installed just by rotating the fixture 4 through the work hole 31 on the front of the wall 1 and fixing it to the wall 1, the installation and disassembly time is reduced. This is easy and can shorten the air.

As shown in FIG. 1, a coupling protrusion 301 protrudes from one of the top and bottom of the panel body 3, and the other coupling groove 302 has a shape corresponding to the coupling protrusion 301. ) can be formed.

When the area of the safety fence 2 is large, the heavy weight may increase the operator's workload during installation or disassembly.

Accordingly, by forming the safety fence 2 in an appropriate size that can be lifted by the operator, a plurality of safety fences 2 can be connected vertically and used.

In order to firmly fix the joints of the safety fences 2 stacked up and down, the upper and lower ends of the panel body 3 have coupling protrusions 301 and coupling grooves 302 or coupling grooves 302 and coupling protrusions ( 301) may be formed in shapes corresponding to each other. Accordingly, the upper and lower ends of the vertically stacked panel body 3 are engaged with each other to be firmly coupled.

As shown in FIG. 1 , a proximity sensor 34 may be provided on one side of the panel body 3 to detect an object approaching within a sensing distance and generate a warning signal.

Even if the safety fence 2 is installed, if a strong external force acts on the safety fence 2, the safety fence 2 may be damaged or detached, resulting in a safety accident.

Therefore, when the proximity sensor 34 is installed on the safety fence 2 and an operator approaches within a preset sensing distance, a warning signal can be generated to call attention.

6 is a perspective view showing a hook bar, and FIG. 7 is a perspective view of the hook bar shown in FIG. 6 viewed from another angle. And Figure 8 is a perspective view showing the coupling relationship between the fixed plate and the hook bar, Figure 9 is a perspective view of the coupling relationship between the fixed plate and the hook bar viewed from another angle, Figure 10 shows the coupling state of the fixed plate and the hook bar It is a perspective that

As shown in FIGS. 8 to 10 , the fixture 4 includes a fixing plate 41 rotatably coupled to the panel body 3 and in close contact with the inner surface of the opening 10 and the fixing plate 41 It may be configured to include a hook bar 42 slidably coupled to the outer end of which is formed with a hooking portion 421 hooked to the rear surface of the wall 1 on both sides of the opening 10.

The fixture 4 is a fixed plate ( 41) and a hook bar 42.

One end of the fixing plate 41 may be rotatably coupled to the rear surface of the panel body 3 .

The fixing plate 41 may adhere to the rear surface of the panel body 3 in a folded state (FIGS. 3 and 4) and adhere to the inner end of the wall 1 of the opening 10 in a 90° outward spread state. There is (Fig. 2, Fig. 5).

At one end where the fixing plate 41 is rotatably coupled to the rear surface of the panel body 3, a stopper 411 bent vertically toward the opening 1 so that the fixing plate 41 does not rotate beyond 90 degrees is provided. may protrude.

The hook bar 42 is slidably coupled to the fixing plate 41 in a horizontal direction.

The hook bar 42 is formed with a hanging portion 421 bent vertically toward the rear surface at an outer end. The hanging part 421 is caught on the rear surface of the wall 1 on both sides of the opening 10.

That is, the panel body 3 or the stopper 411 is hung and supported on the front side of the wall 1, and the hanging part 421 of the hook bar 42 is hung and supported on the back side of the wall 1, so that the safety fence ( 2) is fixed in both directions to prevent separation.

Since the hook bar 42 is slidably coupled to the fixing plate 41, the hook bar 42 can be properly slid and moved to correspond to the thickness of the wall 1 to be fixed.

6 to 10, a slide hole 412 is formed in the fixing plate 41, and a guide bolt 43 penetrates the inner surface of the fixing plate 41 in front of the slide hole 412. The coupled reaction force part 413 protrudes, and the hook bar 42 is slidably provided on the inner surface of the fixing plate 41, and the hooking part 421 penetrates the slide hole 412. It is provided on the outside of the fixing plate 41, the guide bolt 43 is coupled to the inner end of the hook bar 42, and the slider 422 moving forward and backward by the rotation of the guide bolt 43 is attached to the fixing plate ( 41) may protrude in the inner direction.

A slider 422 may be protruded from an inner end of the hook bar 42 in a direction opposite to the hooking portion 421 so that the hook bar 42 can be manipulated through the working hole 31 .

The hook bar 42 may be slidably coupled to the inner surface of the fixing plate 41 in a horizontal direction, and the guide bolt 43 may be coupled to the slider 422 .

Accordingly, when the operator rotates the guide bolt 43 through the work hole 31, the hook bar 42 can be moved while the slider 422 moves forward or backward.

In order to move the slider 422 forward or backward by the rotation of the guide bolt 43, a reaction force portion 413 through which the guide bolt 43 is penetrated may be protruded from the inner surface of the fixing plate 41. .

The guide bolt 43 is screwed to one of the reaction force part 413 and the slider 422, and can be freely rotatably coupled to either one.

At this time, the hooking part 421 must be located on the outer surface of the fixing plate 41 so that it can be fixed to the rear surface of the wall 1. Therefore, a slide hole 412 may be formed in the fixing plate 41 so that the locking portion 421 passes therethrough.

The hooking part 421 can be configured such that its outer end extends up and down to stably support the rear surface of the wall 1 and not be separated from the slide hole 412 (FIGS. 6 and 11).

Guide protrusions 414 may be protruded in a horizontal direction on an inner surface of the fixing plate 41 to guide the horizontal sliding of the hook bar 42 on the fixing plate 41 . Further, a guide groove 423 into which the guide protrusion 414 is inserted may be formed in the hook bar 42 (FIGS. 8 and 9).

The guide protrusion 414 extends toward the slide hole 412 and protrudes so that the hook bar 42 can maintain the coupling without being separated from the fixing plate 41, and the guide groove is formed in the hooking part 421. A guide hole 424 extending from 423 is formed so that the protruding end of the guide protrusion 414 can be inserted into the guide hole 424 and coupled to each other.

Since the work hole 31 is formed in the panel body 3, even if the slider 422 and the reaction force part 413 of the fixture 4 protrude into the fixing plate 41, when the fixture 4 is folded, the slider ( 422) and the reaction force part 413 are accommodated in the working hole 31. Therefore, the fixing plate 41 can be brought into close contact with the panel body 3 by completely folding the fixing tool 4 without mutual interference.

11 is a perspective view showing a coupling relationship between a fixed plate and a movable plate, and FIG. 12 is a perspective view showing a coupling relationship between a fixture equipped with a movable plate and a panel body.

As shown in FIG. 11, the fixture 4 is further provided with a movable plate 44 slidably coupled to the rear surface of the panel body 3 in a horizontal direction, and the fixing plate 41 is the movable plate 41. It may be rotatably coupled to the plate 44 .

A movable plate 44 may be further provided in the fixture 4 so that the distance between the fixtures 4 on both sides can be freely adjusted according to the change in the width of the opening 10 .

At this time, the movable plate 44 may be slidably coupled to the rear surface of the panel body 3 in a horizontal direction, and the fixed plate 41 may be rotatably coupled to the movable plate 44 .

Accordingly, the movable plate 44 can be moved in a horizontal direction according to the width of the opening 10 so that both fixing plates 41 can be brought into close contact with the side ends of the wall 1 on both sides of the opening 10 .

In addition, when the stopper 411 protrudes from the fixing plate 41, the stopper 411 interferes with the wall 1, making it difficult to rotate the fixing plate 41. In this case, in a state where the movable plate 44 is horizontally moved to the inside of the panel body 3, the fixing plate 41 is unfolded, and then the movable plate 44 is horizontally moved outward again to move the fixing plate 41 to the wall ( 1) It can be closely attached to the side edge.

A working hole 441 may be formed in the movable plate 44 to communicate with the working hole 31 of the panel body 3 .

An elastic fixing piece 442 for fixing an end of the fixing plate 41 may protrude from the movable plate 44 so that the fixing member 4 can maintain a folded state.

Meanwhile, as shown in FIG. 12, while guiding the left and right sliding movement of the movable plate 44, panels are provided on the upper and lower portions of the movable plate 44 so as to fix the movable plate 44 whose movement has been completed. A fixing bar 22 fixed to the rear surface of the main body 3 may be coupled.

The fixing bar 22 may be fixed to the panel body 3 by bolts or the like.

In this case, the movable plate 44 is moved left and right while the bolt is loosely tightened, and when the movement of the movable plate 44 is completed, the bolt is tightened so that the fixing bar 22 presses the movable plate 44 so that the panel body 3 ) can be fixed.

Although not shown in the drawings, in another embodiment, a long hole is formed in the horizontal direction in any one of the movable plate 44 and the panel body 3, and the movable plate 44 and the panel body 3 are fastened with bolts. After fastening and moving horizontally, it may be fixed by tightening bolts.

FIG. 13 is an enlarged view illustrating part A of FIG. 1 .

As shown in FIGS. 1 and 13 , reinforcing bars 33 may be provided in the horizontal direction inside the panel body 3 .

When the panel body 3 is made of a synthetic resin material, if the panel body 3 is made thick, the weight increases, making handling difficult, and if the panel body 3 is made thin, it may be deformed or damaged by external force due to lack of bending rigidity.

Therefore, the reinforcing bar 33 may be embedded in the panel body 3 in a horizontal direction so as to minimize the thickness of the panel body 3 so that the panel body 3 can be lightweight and have sufficient bending rigidity.

The reinforcing bar 33 may be composed of a steel square pipe or the like.

Although the reinforcing bars 33 are arranged in one row in FIG. 1 , the reinforcing bars 33 may be arranged in a plurality of rows according to the size or width of the panel body 3 .

Since the reinforcing bar 33 can be integrally manufactured by being embedded in the panel body 3, there is no risk of corrosion.

1: wall 10: opening
2: safety fence 22: fixed bar
3: panel body 301: coupling protrusion
302: coupling groove 31: worker
33: reinforcement bar 34: proximity sensor
4: fixture 41: fixing plate
411: stopper 412: slide ball
413: reaction force part 414: guide protrusion
42: hook bar 421: hanging part
422: slider 423: guide groove
424: guide ball 43: guide bolt
44: movable plate 441: worker
442: elastic fixing piece

Claims (7)

It relates to a safety fence (2) for an opening for temporarily closing an opening (10) formed in a wall (1),
Both ends are supported on the front surface of the wall 1 on both sides of the opening 10, and the panel body 3 is formed with work holes 31 spaced apart from each other on the left and right; and
a pair of fixtures 4 rotatably coupled to one side of the work hole 31 on the rear surface of the panel body 3 and fixed to the inner surface of the opening 10; composed of,
The fixture 4 is rotatably coupled to the panel body 3 and is coupled to the fixing plate 41 in close contact with the inner surface of the opening 10 and slidably coupled to the fixing plate 41 to the outer end of the opening ( 10) The safety fence for the opening, characterized in that it comprises a hook bar 42 formed with a hooking portion 421 caught on the rear surface of the wall 1 on both sides.
delete In paragraph 1,
A slide hole 412 is formed in the fixed plate 41, and a reaction force portion 413 through which a guide bolt 43 is penetrated is formed protruding from the inner surface of the fixed plate 41 in front of the slide hole 412. ,
The hook bar 42 is slidably provided on the inner surface of the fixing plate 41,
The hooking part 421 penetrates the slide hole 412 and is provided on the outside of the fixing plate 41, and the guide bolt 43 is coupled to the inner end of the hook bar 42 to form a guide bolt 43 A safety fence for an opening, characterized in that the slider 422 that moves forward and backward by the rotation of the protrudes in the inner direction of the fixing plate 41.
In paragraph 3,
The fixture 4 is further provided with a movable plate 44 slidably coupled to the rear surface of the panel body 3 in a horizontal direction, and the fixing plate 41 is rotatably connected to the movable plate 44. Safety fence for the opening, characterized in that coupled.
In paragraph 1,
The safety fence for the opening, characterized in that the inside of the panel body (3) is provided with a reinforcing bar (33) in a horizontal direction.
In paragraph 1,
Characterized in that a coupling protrusion 301 protrudes from one of the top and bottom of the panel body 3, and a coupling groove 302 having a shape corresponding to the coupling protrusion 301 is formed on the other Safety fence for openings.
In paragraph 1,
A safety fence for an opening, characterized in that a proximity sensor 34 is provided on one side of the panel body 3 to detect an object approaching within a sensing distance and generate a warning signal.

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