KR20170090159A

KR20170090159A - Plugging device

Info

Publication number: KR20170090159A
Application number: KR1020160010685A
Authority: KR
Inventors: 박종환
Original assignee: 박종환
Priority date: 2016-01-28
Filing date: 2016-01-28
Publication date: 2017-08-07
Also published as: KR101789985B1

Abstract

The present invention relates to a plugging device and, more specifically, relates to a plugging device capable of installing a plug for opening and closing an opening formed in a fitting equipped in a pipe for transporting a gas or a fluid, including: a hollow housing coupled to the opening of the fitting while the plug is embedded therein; a lifting unit vertically formed inside the housing, having an end where the plug is coupled, and lifting the plug; a lifting and rotating unit coupled to the lifting unit projected through a top surface of the housing and lifting the lifting unit by being rotated around the center of the housing; a plug rotating unit coupled to the housing while being separated from the lifting and rotating unit, coupled to the lifting unit vertically lifted inside the housing, and rotating the plug around the housing to be fixated and separated to/from the fitting. The plug opening and closing the opening of the fitting equipped inside the pipe transporting the gas or the fluid can be lifted and rotated with the single plugging device, and thus the effects of reducing time required for opening and closing the opening of the fitting and improving convenience for a work are obtained. In addition, the plug inserted into the opening of the fitting is coupled to the opening of the fitting by rotating, and thus the separation of the plug from the fitting is prevented even when an external force is generated. Additionally, a structure of the plugging device lifting and rotating the plug is simple, and thus the effect of improving mechanical reliability and reducing manufacturing costs are obtained.

Description

PLUGGING DEVICE

The present invention relates to a plugging apparatus, and more particularly, to a plugging apparatus that closes an opening of a fitting provided in a piping for transporting a gas or a fluid, by using a single plugging apparatus, The present invention relates to a plugging apparatus which can shorten the working time and can improve the convenience of work.

Generally, it is composed of a main pipe of a large diameter pipe, such as a water supply pipe and a sewage pipe, which transfers a large quantity of water and sewage over a long distance, and a branch pipe branched from the main pipe and used for relatively short distance transportation. In such a branch, the valve must be installed to enable the interception of water and sewage, so that the operation can be easily performed by replacing the old or damaged pipe or replacing the valve.

This method has a problem in that the range of the number of steps is increased because the operation is performed after all the valves provided around the replacement point are closed to sing the water and sewage supplied to the water supply pipe, sewage pipe or valve of the replacement point.

In addition, if the number of water supply is provided, it will cause inconvenience and loss to each family and various industrial facilities, as well as inconveniences for the lives of the public. In case of emergency management, There has been a problem that the corrosion of the piping is intensified and it is difficult to deal with manual piping.

In order to solve this problem, a fluid-cutting method is a method called a step-end blocking method or a line-stopping method, which is a pivot type blocking head inserted into a pipe to block the fluid, a folding type blocking head, , A sewage pipe, a heat pipe of a district heating, an oil pipeline, and a gas pipe are arbitrarily blocked by arbitrarily blocking a part of various pipelines such as a water pipe, a sewer pipe, a district heating, This is a method that can maintain the piping without giving the pipe.

The pivoting blocking head is also called a "pail head" as a blocking head in which the blocking head itself is formed in a disc shape. The pivot-type blocking head has a disc shape so that the blocking head can be brought into close contact with the inner surface of the pipe to be blocked. Therefore, the insertion port formed for inserting the blocking head into the pipe must be formed to have the same size as the diameter of the pipe.

The folding type blocking head has a problem in that, in the case of the pivot type blocking head, the insertion port must be formed to have the same size as the diameter of the piping, and the blocking head can be folded so that the insertion port can be formed to be smaller than the diameter of the piping .

As with the folding type blocking head, in the case of the conventional pivoting type blocking head, the opening plate is required to have the same size as the diameter of the piping. In order to solve this problem, Can be formed to be smaller than the diameter of the pipe.

Related arts are disclosed in Korean Patent Registration No. 10-0998785 entitled " Fluid Block Device with Slide Type Double Stopper ", Registered Date: November 30, 2010) and Registered Patent Publication No. 10-0728766 The name of the fluid circuit breaker for piping, registered on June 08, 2007).

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art described above, and it is an object of the present invention to provide a plug capable of lifting and lowering a plug for closing an opening of a fitting, And it is an object of the present invention to provide a plugging apparatus which can shorten an opening time of a plugging operation and can improve the convenience of operation.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

In order to achieve the above object, the present invention has the following technical features.

The plugging device according to the present invention is a plugging device for installing a plug for closing an opening formed in a fitment provided in a piping for transporting gas or fluid. The plugging device has a hollow shape, A housing coupled to an opening of the housing; A lifting unit vertically formed inside the housing and coupled to the plug at an end thereof, the lifting unit lifting the plug; A lifting / lowering portion coupled to the lifting portion protruding from an upper portion of the housing, the lifting / lowering portion being rotated about the center of the housing to lift the lifting portion; And a lifting / lowering unit coupled to the lifting and lowering unit, the lifting and lowering unit being coupled to the lifting and lowering unit and spaced apart from the lifting and lowering unit, wherein the lifting and lowering unit is rotatable about the center of the housing, ; .

In the plugging apparatus according to the present invention, the lifting unit is divided into an upper pipe and a lower pipe, wherein any one of the upper pipe and the lower pipe is composed of a pipe having a plurality of threads on the outer periphery thereof; A coupler that connects the upper pipe and the lower pipe and is coupled to the plurality of knobs formed on the plug rotating part, respectively; An adapter penetrating the upper pipe and detachably attached to the coupler, the adapter being coupled to the lifting and lowering unit; An elevating shaft formed vertically inside the pipe, one end connected to the upper pipe and the other end protruding from the lower pipe; .

In the plugging apparatus according to the present invention, among the upper pipe and the lower pipe, a plurality of threads are formed on an outer periphery of the upper pipe, and the upper pipe has at least one lifting groove And are each formed longer than the diameter.

In the plugging device according to the present invention, the plug coupled to the lifting portion is coupled to an end of the lower pipe, a coupling protrusion is formed on an upper portion of the plug, a coupling groove is formed on an end of the lower pipe, And a coupling protrusion of the plug is coupled to the coupling groove of the lower pipe.

In the plugging device according to the present invention, at least one coupling protrusion is formed inside the coupler, and the coupling protrusion is formed in the same number as the elevating groove formed in the upper pipe, And is fitted into the groove.

In the plugging device according to the present invention, the lifting / lowering portion includes: a lid having a ring-shaped lower opening and the lifting portion penetrating; And a handle disposed radially around an outer circumferential surface of the cover; .

According to the present invention, a plug for closing an opening of a fitting provided in a piping for transporting gas or fluid can be lifted and rotated by using a single plugging device, Not only the time is short, but also the convenience of work can be improved.

Further, according to the present invention, the plug inserted into the opening of the fitting is coupled to the opening of the fitting through rotation, thereby preventing the plug from being separated from the fitting even if an external force is generated.

In addition, according to the present invention, the structure of the plugging device for lifting and rotating the plug is simple, so that the mechanical reliability can be improved and the manufacturing cost can be reduced.

Other advantages of the present invention will become apparent from the following description of exemplary embodiments with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

1 is a perspective view showing a state where a plugging device according to the present invention is installed in a fitting;
FIG. 2 is a perspective view of a plugging device according to an embodiment of the present invention,
3 is an exploded perspective view showing a separated state of the plugging device according to Fig. 2, Fig.
Fig. 4 is a perspective view showing a state in which the plug is lowered by the rotation of the entire lifting and lowering part of the plugging device according to Fig. 2,
Fig. 5 is a perspective view showing a state in which the plug rotates due to the rotation of the plug rotation part of the plugging device shown in Fig. 2,
Fig. 6 is a partial cross-sectional view of a portion of the plugging apparatus according to Fig. 2,
FIG. 7 is a perspective view showing the coupling protrusion of the coupler according to FIG. 2,
8 is a perspective view showing a mating surface between the elevating portion and the plug according to Fig. 2;

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. It should also be understood that the position or arrangement of individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled. In the drawings, like reference numbers refer to the same or similar function in various aspects.

FIG. 1 is a perspective view showing a state where a plugging apparatus according to the present invention is installed in a fitting, FIG. 2 is a perspective view showing an assembled state of the plugging apparatus according to an embodiment of the present invention, Fig. 4 is a perspective view showing a state in which the plug is lowered by the rotation of the entire lifting and lowering part of the plugging device according to Fig. 2, Fig. 5 is a perspective view Fig. 6 is a partial cross-sectional view of a part of the plugging device according to Fig. 2, Fig. 7 is a perspective view showing the coupling protrusion of the coupler according to Fig. 2, and Fig. 8 is a perspective view showing a state And a coupling surface of the plug.

1 to 8, the plugging apparatus 100 according to the present invention is provided with a plug 20 for closing an opening formed in a fitting 10 provided in a pipe for transporting gas or fluid .

The plugging device 100 includes a housing 110, a lifting unit 120, a lifting and rotating unit 130, and a plug rotation unit 140.

The housing 110 is hollow and is coupled to the opening of the fitting 10 with the plug 20 therein.

The plug 20 is composed of a plug body 21, a rubber packing 22 and a latching portion 23.

The plug body 21 is a circular plate member and is coupled to the sandwich valve 30 which is coupled to the fitting 10 provided in the pipe for transporting the gas (gas) or the fluid (liquid).

The plug body 21 is formed to be equal to or smaller than the diameter of the opening of the fitting 10, and is easily inserted and engaged with the opening of the fitting 10. [

The rubber packing 22 is fitted into a packing groove formed around the outer peripheral surface of the plug body 21.

The rubber packing 22 prevents the leakage of the gas or the fluid by eliminating the mutual contact between the plug body 21 and the passage of the opening of the fitting 10.

The engaging portion 23 is formed on at least one outer circumferential surface of the plug body 21 and inserted into an insertion groove formed in the opening of the fitting 10 to be fixed to the fitting by the rotation of the plug body 21. [

The housing 110 is formed with a coupling hole formed radially in the flange 111 about the housing 110 and is coupled through a plurality of bolts in a state coinciding with a hole radially formed in the fitting 10.

The housing 110 has a flange 111 formed outside the bottom surface thereof and a plug 20 formed inside the hollow shape.

The housing 110 has a structure in which the lifting portion 120 passing through the housing 110 can be lifted and lowered, and leakage does not occur.

A valve or pressure gauge is spaced apart from the flange 111 around the outer circumferential surface of the housing 110.

The housing 110 is formed with a through hole 112 around the outer circumferential surface thereof and includes a plug rotation part 140 to be described below, that is, a coupler 122 of the elevation part 120 inserted into the housing 110 through the handle ).

The lifting portion 120 is vertically formed in the housing 110, and a plug 20 is coupled to an end of the lifting portion 120, thereby lifting and lowering the plug 20.

The elevating portion 120 is composed of a pipe 121, a coupler 122, an adapter 123, and an elevating shaft 124.

The pipe 121 is divided into an upper pipe 121a and a lower pipe 121b. Of the upper pipe 121a and the lower pipe 121b, a plurality of threads are formed on the outer circumference of the upper pipe 121a.

The upper pipe 121a has at least one lifting groove 121a 'formed around the outer circumferential surface thereof, and each of the upper pipe 121a is formed to be longer than the diameter, and is preferably longer in the longitudinal direction.

The plug 20 coupled to the lifting portion 120 is coupled to the end of the lower pipe 121b and the coupling protrusion 24 is formed in the upper portion of the plug 20 in the radial direction, The coupling groove 121b 'is formed in the radial direction so that the coupling projection 24 of the plug 20 is engaged with the coupling groove 121b' of the lower pipe 121b.

The coupling between the coupling groove 121b of the lower pipe 121b and the coupling projection 24 of the plug 20 is formed in the lower pipe 121b having the coupling groove 121b ' ) Through rotation to further improve the bonding state.

The coupler 122 connects the upper pipe 121a and the lower pipe 121b, and the plug rotation unit 140 including a plurality of knobs is rotated and coupled.

More specifically, the coupler 122 is formed with a plurality of coupling grooves 122b around the outer circumferential surface thereof, and a plurality of knobs of the plug rotation portion 140 are threaded at their ends, and are integrated with the coupling groove 122b through rotation .

It is preferable that the coupling groove 122b of the coupler 122 is formed in the same number as the handle of the plug rotation portion 140. [

The coupling groove 122b of the coupler 122 coincides with the through hole 112 formed around the outer circumferential surface of the housing 110 so that the handle of the plug rotation portion 140 passes through the through hole 112 from the outside of the housing 110 And is coupled to the coupling groove 122b by being rotated.

The coupler 122 is rotated in the direction of the curvature of the through hole 112 of the housing 110 by the rotation of the handle of the plug rotating part 140. [

The coupler 122 formed vertically inside the housing 110 does not descend downward because it is caught by the latching protrusion 113 formed inside the housing 110.

At least one coupling protrusion 24 protrudes inside the coupler 122 and is formed in the same number as the elevating groove 121a 'formed in the upper pipe 121a. The coupling protrusion 24 of the coupler 122 Is fitted into the lifting groove 121a 'of the upper pipe 121a. Thereby preventing disengagement upon ascending and descending.

The coupler 122 is provided with bearings and supports rotational motion in a state of being attached to the adapter 123, which will be described below.

The adapter 123 passes through the upper pipe 121a and is detachably attached to the coupler 122 and is coupled to the lifting and lowering unit 130. [

The coupler 122 has a space formed therein and an adapter 123 descending toward the coupler 122 is inserted into the space of the coupler 122 and a bearing provided on the coupler 122 is attached.

The coupler 122 to which the adapter 123 is attached is held in a state of being caught by the engagement protrusion 113 of the housing 110 and the adapter 123 is lowered in the direction of the coupler 122 caught by the engagement protrusion 113, (Not shown).

The adapter 123 is formed with a plurality of coupling grooves 121b 'around the outer peripheral surface thereof, and the coupling grooves 121b' are hemispherical.

The coupling groove 121b 'of the adapter 123 is integrally coupled with a plurality of coupling bolts in a state where the coupling groove 121b' coincides with the hole formed in the lid 131 of the lifting and lowering rotation unit 130 described below.

The adapter 123 is provided with a bearing, such as a coupler 122, to support the rotary motion.

The lifting shaft 124 is vertically formed inside the pipe 121. One end of the lifting shaft 124 is coupled to the upper pipe 121a and the other end of the lifting shaft 124 is protruded from the lower pipe 121b.

Specifically, the lifting shaft 124 is formed with a flange at one end thereof and is coupled to an upper portion of the upper pipe 121a of the pipe 121 through a plurality of coupling bolts, and the other end is coupled with the lower pipe 121b, As shown in Fig.

The other end of the lifting shaft 124 protruded outward is coupled to the plug 20 in a rotating manner.

The lifting and lowering rotation unit 130 is coupled to the lifting unit 120 protruding from the upper portion of the housing 110 and is rotated about the center of the housing 110 to lift the lifting unit 120.

Specifically, the lifting and lowering rotation unit 130 includes a lid 131 and a handle 132.

The lid 131 is ring-shaped and its lower portion is opened, and the lift portion 120 is penetrated.

The lid 131 covers the adapter 123 of the lifting portion 120 protruding from the housing 110 so that a plurality of holes formed on the upper surface of the lid 131 are aligned with the engaging groove 123a of the adapter 123 And then joined through a plurality of coupling bolts.

The handle 132 is provided radially around the outer circumferential surface of the lid 131.

The handle 132 is coupled to a hole formed radially around the outer peripheral surface of the lid 131 through rotation.

The plug rotation unit 140 is coupled to the lifting unit 120 which is vertically moved up and down in the housing 110 while being separated from the lifting and lowering rotation unit 130. The plug rotation unit 140 is fixed to the fitting unit 10, The plug 20 is rotated so as to be released.

Specifically, the plug rotation part 140 is formed of a plurality of knobs, and the plurality of knobs are formed in the same number as the through-holes 112 formed around the outer peripheral surface of the housing 110, and the ends of the plurality of knobs are connected to the housing And is coupled to the coupling groove 121b 'formed on the outer circumferential surface of the coupler 122 of the elevation portion 120 formed in the housing 110 through the through hole 112 of the housing 110. [

In a state where the plug 20 is moved downward and is exposed from the housing 110 and inserted into the opening of the fitting 10, the plug rotation part 140 is configured such that, in a state where one or more of the plurality of knobs is gripped by hand, And is rotated in the through-hole 112 to rotate the plug 20 based on the center of the plug 110.

The plug 20 due to the rotation of the plug rotation part 140 is rotated by the rotation of the plug body 21 of the plug 20 so that the engagement part 23 is fixed to the fitting 10 and is released from the fitting 10 Do not.

Conversely, the plug 20 due to the reverse rotation of the plug rotation part 140 is rotated due to the reverse rotation of the plug body 21 of the plug 20 so that the fixing of the fitting 10 is disassembled, (10).

The finishing plate 150 is ring-shaped and fixed to the upper portion of the housing 110 through a plurality of fixing bolts to prevent the adapter 123 and the coupler 122 of the lifting unit 120 from being exposed from the housing 110 do.

The finishing plate 150 prevents exposure of the adapter 123 of the elevation part 120 from the housing 110 to one side except for the coupling groove 121b 'of the adapter 123.

The finishing plate 150 is formed to be larger than the diameter of the lid 131 of the lifting and lowering portion 130 and equal to the upper diameter of the housing 110.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And such variations and modifications are intended to fall within the scope of the appended claims.

10: Fitting
20: Plug
21: Plug body
22: Rubber packing
23:
24:
30: Sandwich valve
100: Plugging device
110: Housing
111: Flange
112: Through hole
113: hanging jaw
120:
121: pipe
121a: upper pipe
121a ': lifting groove
121b: Lower pipe
121b ': coupling groove
122: Coupler
122a: engaging projection
122b: coupling groove
123: Adapter
123a: Coupling groove
124: lifting shaft
130:
131: Cover
132: Handle
140:
150: Finishing plate

Claims

1. A plugging device for installing a plug for closing an opening formed in a fitting provided in a piping for transporting gas or fluid,
A housing coupled to the opening of the fitting with the plug in a hollow form;
A lifting unit vertically formed inside the housing and coupled to the plug at an end thereof, the lifting unit lifting the plug;
A lifting / lowering portion coupled to the lifting portion protruding from an upper portion of the housing, the lifting / lowering portion being rotated about the center of the housing to lift the lifting portion; And
The plug is coupled to the lifting and lowering unit vertically moved up and down in the housing, and rotates the plug about the center of the housing so that the lifting and lowering unit can be fixed to and released from the lifting unit. A plug rotation part; Wherein the plugging device comprises:

The method according to claim 1,
The elevating unit includes:
Wherein the upper pipe and the lower pipe are divided into an upper pipe and a lower pipe, wherein one of the upper pipe and the lower pipe comprises a plurality of threads formed on an outer periphery thereof;
A coupler that connects the upper pipe and the lower pipe and is coupled to the plurality of knobs formed on the plug rotation unit, respectively;
An adapter penetrating the upper pipe and detachably attached to the coupler, the adapter being coupled to the lifting and lowering unit; And
An elevating shaft vertically formed inside the pipe, one end connected to the upper pipe and the other end protruding from the lower pipe; Wherein the plugging device comprises:

3. The method of claim 2,
The upper pipe is formed with a plurality of threads on the outer periphery thereof, and the upper pipe is formed with at least one or more elevating grooves around the outer circumferential surface where the threads are formed, and the upper pipe is formed longer than the diameter Wherein the plugging device comprises:

3. The method according to claim 1 or 2,
Wherein the plug coupled to the lifting unit is coupled to an end of the lower pipe, wherein a coupling protrusion is formed on an upper portion of the plug, and a coupling groove is formed at an end of the lower pipe, And is coupled to the coupling groove.

The method according to claim 2 or 3,
Wherein at least one coupling protrusion is formed inside the coupler and is formed in the same number as that of the elevating groove formed in the upper pipe and the coupling protrusion of the coupler is fitted into the elevating groove of the upper pipe The plugging device.

The method according to claim 1,
The elevating /
A lid having a lower portion opened in a ring shape and passing through the lifting portion; And
A handle disposed radially around an outer circumferential surface of the lid; Wherein the plugging device comprises: