KR20140049239A

KR20140049239A - Safety handle

Info

Publication number: KR20140049239A
Application number: KR1020120115223A
Authority: KR
Inventors: 옥명윤; 임종대
Original assignee: 한국전력공사
Priority date: 2012-10-17
Filing date: 2012-10-17
Publication date: 2014-04-25

Abstract

The present invention relates to a safety handle device. The safety handle device is installed in an entrance and arranged in a working space through the entrance when being descended. The safety handle device is exposed to the outside by being pulled out through the entrance when being ascended so that the entrance can be easily opened or closed by a cover. Therefore, the present invention reduces manufacturing costs by having a simple structure and being conveniently installed and constructed.

Description

Safety Handle Device

The present invention relates to a safety handle device, and more particularly, to a safety handle device for the entrance to the operator to enter and exit through the door in the up and down direction, and to easily open and close the door.

In general, a moving means for moving the worker is provided, such as a ladder fixed to a wall in the work space or a scaffold installed vertically to the inner wall at a doorway through which the worker enters and exits the inside of the work space in an up and down direction. .

The worker can enter and exit the work space through the doorway and move to the work position in the work space by using the moving means.

In particular, a manhole communicating with the ground is usually provided to allow an operator to enter and exit the underground space where water and sewage facilities, communication facilities and wiring, power transmission and distribution facilities and wiring are buried. The manhole is normally closed with a manhole cover.

When the worker opens the manhole cover and goes down to the basement for work in the underground space, the moving means provided on the inner wall of the underground space is used in a vertical passage connected from the ground with the manhole cover to the underground space. The manhole is normally covered with a lid to prevent the pedestrian or vehicle from passing over the manhole, and is opened for access only during maintenance work.

When the lid is provided to open and close the doorway like the manhole, the moving means, that is, the ladder or the footrest should be installed so as not to be exposed to the outside to open and close the lid.

However, when a worker enters or leaves the work space by using the installed scaffolding or a fixed ladder, any structure that supports the upper body of the worker when entering the work space from the ground or out of the work space to maintain the worker's balance Since neither is provided, there was a problem with the safety of the worker entering and leaving the manhole and a problem with respect to convenience.

In order to solve this problem, when the handle part is rotated and folded, there is a rotary folding handle that can be inserted into the doorway and opened and pulled out of the doorway. However, the rotary folding handle has a lot of shaking due to play by the play. There is a problem of anxiety when entering and exiting, there is a problem that the manufacturing cost is a lot of complexity because the structure for fixing and releasing the hinge coupling and the hinge portion is complicated.

In addition, there is a detachable handle that is separated and coupled to the fixed body provided on the outside of the entrance to solve the problem, the detachable handle is a risk that a safety accident of the occupant may occur due to the detachment of the handle during use or poor coupling state, There was a hassle due to the removal and coupling of the handle.

Korean Patent Publication No. 10-2003-0050903 'Ladder with lock device for manhole interior' (June 25, 2003)

An object of the present invention is to provide a safety handle device for access to the structure is simple and easy to install, to allow the entrance and exit to the work space safely.

The object of the present invention, the present invention is a safety handle device is installed in the doorway formed so that the worker can enter and exit the working space,

A handle part provided to protrude on one side and movable up and down;

And a handle guide member coupled to the safety handle member to be movable up and down to guide the up and down movement of the safety handle member.

The safety handle member moves up and down and is fixed to a first position set at a lower portion of the handle guide member and a second position set at an upper portion of the handle guide member, and wherein the handle portion is positioned inside the doorway at the first position. And it is solved by providing an entrance safety handle device, characterized in that located in the second position to be exposed to the outside of the doorway.

The present invention has the effect that the structure is simple and the construction and installation is easy to take less manufacturing costs.

The present invention is free to fix and detach the handle, the handle is securely fixed there is an effect that can be used safely and conveniently by the operator during use.

1 is an exploded perspective view showing a safety handle device according to the present invention
Figure 2 is a perspective view showing an example installed a safety handle device according to the present invention
Figure 3 is a perspective view showing an example of use of the safety handle device according to the present invention
4 to 5 is a perspective view showing another example of the safety handle device according to the present invention
6 is a perspective view showing another example of a safety handle device according to the present invention
7 is a cross-sectional view showing the safety handle device of FIG.
8 is a perspective view showing an example of use of the safety handle device of FIG.
9 is a cross-sectional view showing an example of use of the safety handle device of FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1, the safety handle device according to the present invention includes a safety handle member 10 provided with a handle portion 11 protruding from one side. The safety handle member 10 is an example having a rod shape, the handle portion 11 is provided to protrude to one side on the top. The handle part 11 is an example in which an upper portion of the safety handle member 10 is formed to be curved in an arc shape, and is formed by bending an upper portion of the safety handle member 10 to protrude to one side of the safety handle. In addition, it may be manufactured separately and may be mounted to the safety handle member 10 by welding or bolting.

The safety handle member 10 is coupled to the handle guide member 20 to be movable up and down, and the handle guide member 20 guides the safety handle member 10 to be moved up and down. One of the safety handle member 10 and the handle guide member 20 is formed with a movable moving part 12, and the other side of the moving part 12 is inserted into the moving guide insertion part is moved up and down 21 is formed. In the present invention, the moving part 12 is formed on the lower portion of the safety handle member 10, the moving guide insertion portion 21 will be described as an example that is formed inside the handle guide member 20. . The safety handle member 10 is inserted into the movement guide inserting portion 21 formed in the inside of the handle guide member 20 is coupled to the moving portion 12 formed in the lower portion, the moving portion 12 is It is moved up and down while moving up and down in the insertion part.

The safety handle member 10 moves up and down and is fixed to a first position set at a lower portion of the handle guide member 20 and a second position set at an upper portion of the handle guide member 20. The handle part 11 is positioned inside the doorway 1 in the first position, and is exposed to the outside of the doorway 1 in the second position. That is, when the handle part 11 is located at the lower position of the handle guide member 20 in the first position, the handle part 11 protrudes to the inside of the doorway 1 and is inserted into the working space so that the doorway 1 may be positioned. Can be closed with a lid. In addition, the handle portion 11 is elevated in the first position and moved to the second position is exposed to the outside of the doorway 1 to allow the worker to easily enter and exit the doorway (1).

A moving guide protrusion 30 protrudes on one of an outer side surface of the moving part 12 and an inner side surface of the moving guide insertion part 21, and connects the first position and the second position to the other side. And, the moving guide protrusion 30 is inserted into a groove or a hole which is moved up and down, and the moving part 12 rotates the moving part 12 to rotate the moving part 12 when moving up and down ( 40) is formed.

The rotation movement guide portion 40 connects the first position and the second position, and the movement guide protrusion 30 is inserted and smoothly moved up and down, and rotates while being moved to the handle portion 11. Spirally formed so as to change the position of, the handle portion 11 is formed to face in the opposite direction from each other in the first position and the second position.

The rotation movement guide part 40 is formed to be inverted when the moving part 12 moves the first position and the second position. The handle part 11 is disposed to protrude toward the inside of the doorway 1 in the first door, that is, in the working space in the first position, and is positioned opposite to the first position in the second location. And is protruded to the outside of the doorway 1 and exposed to the outside.

The upper end of the rotary movement guide portion 40 is formed with a protrusion engaging portion 50 is fixed to the movement guide projection 30 is fixed. The protrusion catching portion 50 extends from an upper end of the rotary movement guide part 40, and a lower end thereof is formed below the upper end of the rotary movement guide part 40. That is, the safety handle member 10 is fixed to the lower end of the rotational movement guide portion 40 in the first position, the movement guide projection 30 to the protrusion engaging portion 50 in the second position Is inserted and locked.

2 and 3, the present invention relates to a safety handle device that is installed in the doorway (1) formed to allow the worker to enter and exit the work space to guide the worker in and out of the work space. That is, the present invention, the safety handle device is installed on the inside of the doorway (1) to move the safety handle member 10 to the top to draw out the handle portion 11, and when not in use, that is, the handle portion ( 11) is inserted into the working space so that the doorway 1 can be closed with a lid.

The handle guide member 20 is mounted on both sides of the access ladder 2 installed on the lower side of the doorway 1 in the working space, and the safety handle member 10 is the handle guide member 20 Are respectively provided. The access ladder 2 is fixedly installed on the wall in the working space. The safety handle member 10 is rotated while moving up and down along the handle guide member 20 mounted on both sides of the access ladder 2, respectively, the position of the handle portion 11 is changed. That is, referring to FIG. 2, when the safety handle member 10 is positioned at the first position under the handle guide member 20, the handle portion 11 is located in the work space of the doorway 1. It is positioned to face inward so that the doorway 1 can be closed with a lid. Referring to FIG. 3, when the safety handle member 10 is lifted up and positioned in the second position, the safety handle member 10 rotates to allow the handle 11 to enter and exit from the upper side of the doorway 1. It is located to protrude to the outside of (1).

In addition, the safety handle member 10 is fixed in the second position in the state in which the moving guide protrusion 30 is inserted into the protrusion engaging portion 50 and caught. When the worker lifts the safety handle member 10 and detaches the movement guide protrusion 30 from the protrusion locking portion 50 and inserts the movement guide portion into the movement guide portion, the worker descends along the movement guide portion to lower the handle portion 11. Return to the first position.

Meanwhile, referring to FIGS. 4 to 5, the handle guide member 20 and the safety handle member 10 are spaced apart from each other in the work space and are disposed at both sides of the doorway 1, respectively. The handle device may further include a plurality of scaffold members 60 connected to the handle guide member 20 spaced apart from each other and fixed and spaced apart in the up and down directions. Safety handle device according to the present invention may have a structure in which the moving means for allowing the worker to move in the working space, such as a separate entry ladder (2) or scaffolding.

That is, referring to FIG. 4, when the safety handle member 10 is positioned at the first position under the handle guide member 20, the handle part 11 is located in the work space of the doorway 1. It is positioned to face inward so that the doorway 1 can be closed with a lid. Referring to FIG. 5, when the safety handle member 10 is lifted up and positioned in the second position, the safety handle member 10 rotates so that the handle portion 11 is opened and closed at the upper side of the doorway 1. It is located to protrude to the outside of (1).

In addition, since the worker can move in the working space is integrated, it is possible to significantly reduce the cost of installing a separate moving means.

Meanwhile, referring to FIG. 6, the handle guide member 20 and the safety handle member 10 are spaced apart from each other in the work space and are disposed at both sides of the doorway 1, and the safety handle device according to the present invention is It further comprises a handle connecting member 70 for connecting the safety handle member 10 provided in the handle guide member 20, respectively.

The handle connecting member 70 connects the two safety handle members 10 to allow the two safety handle members 10 to move up and down at the same time, thereby improving the convenience of the operator.

Referring to FIG. 7, the safety handle member 10 is inserted into the handle guide member 20 to move up and down, and a lower portion protrudes below the handle guide member 20 to connect the handle. A rotary support 13 to which the member 70 is connected;

It is rotatably coupled to the rotary support 13 so as to rotate about an axis disposed in an up and down direction, and is inserted into the handle guide member 20 to move up and down integrally with the rotary support 13. And a moving part 12 provided with the handle part 11 on an upper side thereof.

The handle guide member 20 is formed by the rotary support 13 and the moving part 12 inserted into the upper and lower moving guide inserting portion 21 to move up and down.

A moving guide protrusion 30 protrudes on one of an outer side surface of the moving part 12 and an inner side surface of the moving guide insertion part 21, and connects the first position and the second position to the other side. And, the moving guide protrusion 30 is inserted into a groove or a hole which is moved up and down, and the moving part 12 rotates the moving part 12 to rotate the moving part 12 when moving up and down ( 40) is formed. In addition, the upper end of the rotation movement guide portion 40 is formed with a protrusion engaging portion 50 is fixed to the movement guide projection 30 is fixed.

Since the movement guide protrusion 30, the rotation movement guide part 40, and the protrusion locking part 50 are the same as the above-described example, duplicate descriptions are omitted.

A stopper protrusion 14 protrudes from one of an outer side surface of the rotation support part 13 and an inner side surface of the movement guide inserting portion 21, and the stopper protrusion 14 is inserted into the other side of the top and bottom sides thereof. The stopper guide part 22 is formed as a groove or a hole to be moved and guides the up and down movement of the stopper protrusion 14 and prevents the rotation of the rotary support 13.

In the present invention, the stopper protrusion 14 is protruded on the outer surface of the rotary support 13, the stopper guide portion 22 is an example that is formed on the inner surface of the moving guide insertion portion 21. .

The stopper protrusion 14 moves up and down integrally with the rotary support 13 while being inserted into the stopper guide part 22 to guide the up and down movement of the rotary support 13. It prevents the rotation of the rotary support 13 when moving down.

The moving part 12 is rotated about the axis while moving the projection engaging portion 50 is inserted into the rotary movement guide portion 40 to change the position of the handle portion (11).

That is, the two safety handle members 10 disposed at both sides of the doorway 1 are connected to the handle connecting member 70, and the handle part 11 is located at the first position in the work space. It is located facing the inside of (1) so that the doorway (1) can be closed with a lid. Referring to FIGS. 8 and 9, when the safety handle member 10 is lifted and lifted up, the rotation support part 13 does not rotate when the moving part 12 and the rotation support part 13 are elevated together. The moving part 12 rotates so that the handle part 11 protrudes from the upper side of the doorway 1 to the outside of the doorway 1. In addition, the safety handle member 10 is fixed in the second position when the moving guide protrusion 30 is inserted into the protrusion engaging portion 50. In addition, when the worker lifts the safety handle member 10 to detach the movement guide protrusion 30 from the protrusion catching portion 50 and inserts the movement guide portion into the movement guide portion, the operator descends the movement guide portion to lower the handle portion 11. ) Is returned to the first position. Even when the handle part 11 is returned to the first position in this manner, the rotation support part 13 does not rotate, and the moving part 12 rotates.

Two safety handle members 10 disposed on both sides of the doorway 1 are raised and lowered together by the handle connecting member 70, thereby increasing convenience in use.

That is, the safety handle member 10 is preferably disposed to be spaced apart on both sides of the doorway (1) so that the operator can hold each with two hands for the safety of the operator.

In this case, the two safety handle members 10 are moved up and down at the same time so that the worker draws the handle 11 to the outside of the doorway 1, and then moves to the inside of the doorway 1, that is, into the work space. It is easy to make.

It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

10: safety handle member 11: handle portion
12: moving part 13: rotating part
14: stopper projection 20: handle guide member
21: movement guide insertion portion 22: stopper guide portion
30: moving guide projection 40: rotation moving guide portion
50: protrusion engaging portion 60: scaffold member
70: handle connecting member

Claims

Safety handle device is installed in the doorway formed to allow the worker to enter and exit the work space,
A handle part provided to protrude on one side and movable up and down;
And a handle guide member coupled to the safety handle member to be movable up and down to guide the up and down movement of the safety handle member.
The safety handle member moves up and down and is fixed to a first position set at a lower portion of the handle guide member and a second position set at an upper portion of the handle guide member, and wherein the handle portion is positioned inside the doorway at the first position. And, at the second position, positioned to be exposed to the outside of the doorway.

The method according to claim 1,
Safety knob device characterized in that the movable guide is formed on one side of the handle guide member is formed, the movable guide is inserted in the other side is moved up and down.

The method according to claim 1,
The handle guide member and the safety handle member are disposed on both sides of the doorway spaced apart in the working space,
A safety handle device, characterized in that it further comprises a plurality of scaffold member is connected to the handle guide member disposed spaced apart and spaced apart in the vertical direction.

The method according to claim 1,
The handle guide member and the safety handle member are disposed on both sides of the doorway spaced apart in the working space,
Safety handle device characterized in that it further comprises a handle connecting member for connecting the safety handle member respectively provided in the handle guide member.

The method of claim 4,
The safety handle member,
A rotational support part inserted into the handle guide member to move up and down, and having a lower portion protruding to the lower portion of the handle guide member to which the handle connection member is connected;
Is rotatably coupled to the rotary support portion to be rotated about an axis disposed in the up, down direction, is inserted into the handle guide member to move up and down integrally with the rotary support portion, the handle portion is provided on the upper side It includes; moving;
The handle guide member is a safety handle device, characterized in that the rotary support and the moving portion is inserted into the moving guide insertion portion which is moved up, down and formed to penetrate up and down.

The method of claim 5,
A stopper protrusion protrudes on one side of the outer side of the rotary support and the inner side of the moving guide insert,
Safety stopper device characterized in that the stopper projection is formed on the other side is formed with a stopper groove is inserted into the stopper projection is moved up and down.

The method according to claim 2 or 5,
One of the outer side of the moving part and the inner side of the moving guide inserting portion protrudes a moving guide projection, the other side connects the first position and the second position, the moving guide projection is inserted, A safety handle device, characterized in that formed in the groove or hole that is moved downward, the moving guide portion for rotating the moving portion when the moving portion is moved up and down.

The method of claim 7,
Safety knob device characterized in that the protrusion engaging portion is formed to be extended to the moving guide projection is fixed to the upper end of the rotary movement guide portion.

The method according to claim 8,
The protrusion catching portion extends from an upper end of the rotatable moving guide part, and a lower end portion is formed to be positioned below the upper end of the rotatable moving guide part.