KR20130016633A

KR20130016633A - Device for handling valve

Info

Publication number: KR20130016633A
Application number: KR1020110078685A
Authority: KR
Inventors: 김선중
Original assignee: 주식회사 충남도시가스
Priority date: 2011-08-08
Filing date: 2011-08-08
Publication date: 2013-02-18

Abstract

Regardless of the installation position of the valve and the valve can be operated more conveniently, the valve is coupled to the valve operating lever, so as to easily operate the valve with less force, and connected to the combination and extending outward Provided is a valve opening and closing device including an actuating rod for applying rotational force to the assembly.

Description

Valve switchgear {DEVICE FOR HANDLING VALVE}

The present invention relates to a device for opening and closing a valve. More particularly, the present invention relates to a valve opening and closing device that enables easier manipulation of a valve located out of reach of an operator.

In general, combustion gas such as liquefied petroleum gas (LPG) or liquefied natural gas (LNG) is used in various places as inexpensive clean fuel. The gas is mainly transported in a liquid state or a gas state through a pipe, and a valve for blocking the transfer of gas is installed at one side of the pipe.

The valve is mounted on the outside of the valve so that the user operates the valve by turning the lever mounted on the valve to finally open and close the pipe.

The valve is usually installed in a convenient location, but in the case of a valve located where the operator does not reach, there is an inconvenience in opening and closing operation.

For example, in the case of a multi-family house such as an apartment, the valve may be located at a height of 2 m or more above the ground, or the valve may be located at a high position due to a terrain change.

When the valve is installed in an excessively high position, the worker must climb the outer wall of the building or climb the pipe to operate the valve, which makes the operation difficult and a high risk of a safety accident. In addition, there is an inconvenience of having to provide a separate tool such as a ladder.

In addition, in the case of an aging building, the valve installed in the pipe is also aged, and the operation is not smooth and stiff, and a lot of power is required to turn the lever installed in the valve. This makes the valve operation difficult and increases the workload.

Thus, a valve opening and closing device is provided so that the valve can be operated more conveniently regardless of the installation position of the valve.

The present invention also provides a valve opening and closing device that enables easy operation of the valve with less force.

To this end, the apparatus may include a combination coupled to the valve operating lever, and an actuating rod portion connected to the combination and extending outward to apply rotational force to the combination.

The coupling member is connected to both front and rear members disposed on the front of the lever to surround the lever of the valve, both side members disposed on the side of the lever, the outer surface is installed on the front member is coupled to the operation rod portion It may include a coupling member.

The assembly may further include at least one or more reinforcing members connected between the front ends of both side members and disposed at the rear of the lever.

The actuating rod part may include an actuating bar extending in length, and a connecting bar fixed to the coupling member by being installed at a right angle with respect to the longitudinal direction of the actuating bar at the tip of the actuating bar.

The coupling member may have a polygonal cross-sectional groove formed therein, and the connection bar may have a shape corresponding to that of the groove to be inserted into and fixed to the groove.

The operation bar may be a multi-stage telescopic pipe structure of variable length.

The apparatus may further include a ratchet gear unit installed between the tip of the operation bar and the connection bar to control the rotation direction of the connection bar in one direction.

The ratchet gear part is a ratchet gear that is coupled to the front end of the operation bar, the connection bar is installed on the end of the connecting rod rotatably in the body, one end is axially coupled in the body rotatably installed and the other end is the ratchet A pair of ratchet blocks engaged with the gears to control one-way rotation of the ratchet gear, a spring applying an elastic force to the ratchet blocks, and a movable ratchet block installed to move between the pair of ratchet blocks to selectively engage one ratchet block with the ratchet gear. The moving block may be installed on the outside of the body and connected to the moving block to control a moving block.

Thus, according to the device, even if the valve is located where the operator is difficult to access it can be more easily operated without a separate tool such as a ladder.

In addition, it is possible to operate the valve with less force by using the elongated operating bar.

In addition, more appropriate valve management can increase safety management efficiency and improve customer confidence in safety inspection.

1 is a schematic view showing a valve opening and closing device for rotating a lever of a valve according to the present embodiment.
2 is a perspective view showing in more detail the configuration of the valve opening and closing apparatus according to the present embodiment.
3 is a cross-sectional view showing a valve opening and closing device coupled to the valve lever according to the present embodiment.
4 is a schematic view showing the ratchet gear unit configuration of the valve opening and closing apparatus according to the present embodiment.
5 is a schematic view showing a state of use of the valve opening and closing apparatus according to the present embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. As those skilled in the art can easily understand, the embodiments described below may be modified in various forms without departing from the concept and scope of the invention, and the embodiments described herein. It is not limited to the example.

The drawings are schematic and illustrate that they are not drawn to scale. The relative dimensions and ratios of the parts in the figures have been exaggerated or reduced in size for clarity and convenience in the figures and any dimensions are merely exemplary and not limiting.

Hereinafter, the apparatus will be described as an example of an opening and closing device for a valve installed in the gas pipe to open and close the pipe. However, the apparatus is not limited thereto, and is applicable to the valves of all the conveying pipes that open and close the valve by rotating the lever.

1 and 2 show the valve opening and closing apparatus according to the present embodiment.

As shown, the valve 110 installed in the gas pipe 100 is provided with a knob 112 connected to the rotation shaft of the valve 110 to the outside, the lever 120 is coupled to the knob 112. When the lever 120 is moved, the valve 110 is opened and closed while the lever 120 is rotated around the knob 112.

Here, the valve opening and closing device 100 is for rotating the lever 120 coupled to the valve 110 from a long distance, the coupling body 20 coupled to the lever 120 for operating the valve 110, and the combination It is connected to the 20 and extends to the outside includes an operating rod 30 for applying a rotational force to the assembly 20.

In this way, the device serves to extend the length of the lever 120 for operating the valve 110, so that even the valve 110 located at a high position on the ground can be easily opened and closed.

The assembly 20 and the actuating rod part 30 are configured to be separated from each other. The combination 20 may be formed in a size corresponding to the specific lever 120, it is provided with a plurality depending on the size can be selectively mounted and used in the operation rod unit 30 as needed.

Referring to Figure 2 in more detail the structure of the assembly 20 as follows. As shown, the combination 20 is connected to both side ends of the front member 22 and the front member 22 disposed on the front of the lever 120 to surround the lever 120 of the valve 110, the lever ( Both side members 24 disposed on the side of the 120, the front member 22 is provided on the outer surface is coupled to the coupling member 28 is coupled to the operating rod portion 30.

In addition, the combination 20 further includes at least one or more reinforcing members 26 connected between the front ends of both side members 24 and disposed on the rear surface of the lever 120. The reinforcing member 26 is disposed at intervals to connect between the front ends of both side members (24). The reinforcing member 26 is installed at a position of the lower end of the lever 120, that is, does not interfere with the portion that is coupled to the knob 112 of the valve 110. The reinforcing member 26 reinforces the rigidity of both side members 24, and is located at the rear of the lever 120 to prevent the assembly 20 from being peeled off from the lever 120. .

Thus, the combination 20 has an inner space surrounded by the front member 22, both side members 24 and the reinforcing member (26). The combination 20 is inserted into the space part through the lower end of the outer end of the lever 120 is opened in a structure that the lower end is open.

The combination 20 is not particularly limited in form as long as the lever 120 can be placed between the front member 22 and both side members 24 and the reinforcing member 26.

Here, the combination 20 is a structure in which both side members 24 are connected to each other at the top of the combination 20 so that the top of the combination 20 is closed, but is not limited thereto, and the two side members 24 are separated from each other. Thus, the structure in which the top of the assembly 20 is open is also applicable. In the case of the structure in which the upper end of the combination 20 is opened, the outer end of the lever 120 penetrates the upper end of the open body 20 so that the combined body 20 may be moved inside the lever 120 regardless of the length of the lever 120. It can be fully inserted to the tip.

The coupling body 20 is provided with a coupling member 28 protruding from the front member 22 for selective coupling with the actuating rod part 30. The coupling structure of the coupling member 28 and the working rod portion 30 will be described later.

The combination 20 may be made of a high-strength plastic material that can sufficiently secure the iron material or rigidity.

2 and 3, the actuating rod part 30 is installed at a right angle with respect to the longitudinal direction of the actuating bar 32 and the actuating bar 32 extending to the length of the actuating bar 32 at the tip of the actuating bar 32; And a connection bar 31 fixed to the coupling member 28.

In this embodiment, the connection bar 31 and the coupling member 28 are coupled so that there is no relative rotation to each other. To this end, the coupling member 28 has a groove 29 having a polygonal cross-sectional structure formed therein, and the connection bar 31 has a shape corresponding to the groove 29 to be fitted into the groove 29 to be fixed. It is. When the connection bar 31 is inserted into the groove 29 of the coupling member 28, the coupling body 20 on which the coupling member 28 is installed is fixed to the operation bar 32 on which the connection bar 31 is installed. It forms a body.

Here, the operation bar 32 has a telescopic pipe structure in which the length of the operation bar 32 is expanded and expanded in multiple stages. The operation bar 32 is a hollow pipe-like structure, may be made of a circular cross-sectional structure or a polygonal cross-sectional structure, such as square or pentagon, and is not particularly limited in its form.

In the present embodiment, the operation bar 32 is the first rod 33 of the outermost, the second rod 34 is inserted into the inner side of the first rod 33 and slide in the longitudinal direction, the second rod ( 34) It is a structure that is stretched in three stages including a third rod 35 that is fitted inside and slides in the longitudinal direction. The first rod 33, the second rod 34, and the third rod 35 have a cross-sectional shape corresponding to each other and only have different diameters. The first rod 33 has the largest diameter structure of the operation bar 32, the third rod 35 forms the upper end of the operation bar 32 and the connection bar 31 is installed.

Accordingly, when the second rod 34 is inserted into the first rod 33 and the third rod 35 is inserted into the second rod 34, the length of the entire operation bar 32 is reduced, and the first rod When the second rod 34 and the third rod 35 are withdrawn from the 33 and the second rod 34, the length of the operation bar 32 is increased.

Therefore, the length of the operation bar 32 can be easily carried and moved, and each rod is pulled out to extend the length of the operation bar 32, so that the valve 110 located at a high place or a deep underground can be operated. Will be.

After extending the operation bar 32 to the required length, by inserting the connecting bar 31 installed on the operating bar 32 to the coupling member 28 of the assembly 20, the valve fitted to the assembly 20 ( The lever 120 of the 110 can be operated.

On the other hand, the device is provided between the end of the third rod (35) forming the upper end of the operation bar 32 and the connecting bar 31, the ratchet gear unit for controlling the rotation direction of the connecting bar 31 in one direction ( 40) is further included.

4 and 5, the ratchet gear part 40 is installed at the front end of the body 41 and the connection bar 31, which is coupled to the front end of the third rod 35, and the body 41. One end of the ratchet gear 42 rotatably installed in the body 41, the body 41 is axially coupled and rotatably installed, the other end is engaged with the ratchet gear 42 to rotate in one direction of the ratchet gear 42. A pair of ratchet blocks 43 for controlling the spring, a spring 44 for applying an elastic force to the ratchet block 43, a pair of ratchet blocks 43 is installed so as to be movable between the ratchet block 43 Optionally, a moving block 45 for engaging the ratchet gear 42 and a turning lever 46 installed outside the body 41 and connected to the moving block 45 to operate the moving block 45. Include.

When the shift lever 46 is operated as described above, the movable block 45 is moved to one side from the inside of the body 41 to push the ratchet block 43 of one of the two ratchet blocks 43 to form a ratchet gear ( 42). Accordingly, the other ratchet block 43 located on the opposite side to the moving direction of the movable block 45 is rotated by the elastic force of the spring 44 to engage the ratchet gear 42 so as to rotate the ratchet gear 42 in the forward direction. Or reverse control. Therefore, the connecting bar 31 installed in the ratchet gear 42 rotates only in one direction like the ratchet gear 42. That is, when one side of the ratchet block 43 is engaged with the ratchet gear 42, the ratchet gear 42 like the body 41 only when the ratchet gear 42 is caught by the ratchet block 43 when the body 41 is rotated. 42 is rotated so that the connecting bar 31 connected to the ratchet gear 42 is rotated. When the body 41 is rotated in the opposite direction, the ratchet block 43 is not caught by the ratchet gear 42 so that only the body 41 is idling regardless of the ratchet gear 42. Accordingly, when the body 41 is reciprocated in the predetermined angle range by moving the operating bar 32 in a reciprocating manner, the ratchet gear 42 is rotated in one direction only by the ratchet block 43 engaged with the ratchet gear 42. The connection bar 31 installed in the ratchet gear 42 is also rotated in only one direction so that the valve 110 can be operated by pulling the lever 120 in one direction.

Hereinafter, the operation of the apparatus will be described with reference to FIG. 5.

As shown, the operator mounts the combination 20 of the device to the lever 120 of the valve 110 in order to operate the valve 110 located out of reach. The assembly 20 is fitted to the lever 120 and forms a body 41 with the lever 120. The coupling 20 is provided with an operating bar 32, the operating bar 32 is extended to the ground long, so that the operator extends the operating bar 32 to the desired length and moves reciprocally to the valve located high The lever 120 of 110 may be operated.

The operation bar 32 is coupled to the coupling member 28 of the coupling member 20 and the coupling bar 31 of the operating bar 32 via the ratchet gear unit 40, the coupling body in only one direction ( 20) can be added to the force.

When the operating bar 32 is rotated, the connecting bar 31 is rotated in one direction by the ratchet gear part such as the operating bar 32, and the coupling body is coupled to the connecting bar 31 via the coupling member 28. Force is transmitted to 20. Since the assembly 20 forms a body 41 with the lever 120, the lever 120 is rotated in one direction about the knob 112 of the valve 110 by the force applied to the assembly 20. . In this way, the lever 120 is operated to open and close the valve 110.

When the operating bar 32 is rotated in the opposite direction, the ratchet gear part is idle while the connecting bar 31 is not rotated. The force applied to the operation bar 32 is not transmitted to the coupling body 20 through the connecting bar 31, the coupling body 20 maintains the state in which the lever 120 is rotated.

By repeating the reciprocating motion of the operation bar 32 as described above it is possible to open and close the valve 110 by rotating the lever 120 at a desired angle while repeating the rotation and stop the assembly (20).

While the illustrative embodiments of the present invention have been shown and described, various modifications and alternative embodiments may be made by those skilled in the art. Such variations and other embodiments will be considered and included in the appended claims, all without departing from the true spirit and scope of the invention.

10: valve opening and closing device 20: combination
22: front member 24: side member
26: reinforcing member 28: coupling member
29: groove 30: operating rod
31: connection bar 32: operation bar
40: ratchet gear unit

Claims

An assembly coupled to the valve operating lever,
An actuating rod portion connected to the assembly and extending outward to apply rotational force to the assembly;
Valve opening and closing device comprising a.

The method of claim 1,
The coupling member includes a front member disposed on the front of the lever to surround the lever of the valve, both side members connected to both side ends of the front member and disposed on the side of the lever, and installed on an outer surface of the front member so as to operate the rod. Valve opening and closing device comprising a coupling member coupled to.

The method of claim 2,
The combination valve opening and closing device further comprises at least one or more reinforcing members connected to the front end of the both side members disposed on the rear of the lever.

The method according to any one of claims 1 to 3,
The actuating rod part includes a actuating bar extending in a long direction, and a valve opening and closing device including a connection bar installed at a right angle with respect to the longitudinal direction of the actuating bar at the tip of the actuating bar and fixed to the coupling member.

The method of claim 4, wherein
The coupling member has a groove having a polygonal cross-sectional structure formed therein, and the connection bar has a shape corresponding to the groove, the valve opening and closing device of the structure is fixed to the groove.

The method of claim 4, wherein
The operation bar is a valve opening and closing device of a multi-stage telescopic pipe structure of variable length.

The method of claim 4, wherein
And a ratchet gear unit installed between the operation bar front end and the connection bar to control a rotation direction of the connection bar in one direction.

The method of claim 7, wherein
The ratchet gear part is a ratchet gear that is coupled to the front end of the operation bar, the connection bar is installed on the end of the connecting rod rotatably in the body, one end is axially coupled in the body rotatably installed and the other end is the ratchet A pair of ratchet blocks that mesh with the gears to control one-way rotation of the ratchet gears, springs that apply elastic force to the ratchet blocks, and are movably installed between the pair of ratchet blocks to selectively engage one ratchet block with the ratchet gears. A moving block for opening and closing the valve including a direction switching lever which is installed outside the body and connected to the moving block to operate the moving block.