KR101999134B1 - Safety and seating device for unloading at the time of replacement of water pipe valve - Google Patents

Abstract

The present invention relates to a safety mounting apparatus for drilling when replacing a water pipeline valve, and more specifically, to a safety mounting apparatus for drilling when replacing a water pipeline valve, which allows a body unit inserted into a pipeline and having a water blockage function for replacing a valve of the water pipeline to be securely and safely position-fixed at a predetermined position in the pipeline and float thereon. The present invention has a mounting unit hung on the pipeline while a plurality of hanging pins are opened toward an inner wall of the pipeline in the crossed pipeline, thereby preventing accidents from being generated as the body unit is position-changed by water pressure.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a safety and seating device,

The present invention is characterized in that when replacing a valve in a water line, a body part structure, which is inserted into a pipeline to replace the valve to seal the pipeline, is securely and securely mounted in a predetermined position in the pipeline. Accommodation security and seating apparatus.

Generally, in the water pipe, a valve is provided at the end of the pipe connected to each water supply source. When such a valve is aged or broken, there is an inconvenience to stop the water supply entirely in order to replace the valve.

However, as described above, if the number of water supply is provided, it will cause massive loss of various industrial facilities, and also inconvenience to the lives of the public. In case of operating in emergency condition, And corrosion of the valve and the piping are intensified, so that it is difficult to deal with the end-to-end operation.

To solve these problems, a variety of end-to-end valve replacement devices have been developed.

The conventional end water valve replacement apparatus includes a separate bypass pipe and is provided with a water shut-off portion for allowing the water to flow through the bypass pipe and then replacing the valve or expanding the air, The valve can be replaced in a state in which the water film portion is expanded and the inside of the pipe is blocked to prevent water leakage.

However, in the conventional pipe replacing apparatus as described above, there is a problem that a separate air compressor for injecting air into the water film portion is required by injecting air into the water film inside the elastic material such as rubber or silicone, As long as the carrying and installation of the device became very troublesome, it became a cause.

In addition, since the pipe replacing device is fixed in the pipe only through the expansion of the water film, when the water pressure suddenly changes or a large water pressure is generated, the position of the entire pipe replacing device can not be shaken or floated, There has been a serious problem that it can not perform a normal order function, such as a big human accident, breakage of valve and piping, and leakage.

Korean Registered Patent No. 10-0793906 (Registered on April 1, 2008)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus having a function for changing a valve of a water pipe, Wherein the seat portion has a structure in which the seat portion is forward and backward inside the body portion and a plurality of engagement pins can be formed at the front end so as to be able to be opened and fastened, So that the body can be securely and securely fixed in the pipeline even when the water pressure changes or the water pressure is high.

Other objects and advantages of the present invention will be described hereinafter and will be understood by the embodiments of the present invention. Further, the objects and advantages of the present invention can be realized by the means and the combination shown in the claims.

SUMMARY OF THE INVENTION The present invention, as a means for solving the above problems,

A second conduit (20) communicating in a direction perpendicular to the first conduit (10) and the first conduit (10); An open / close valve (30) installed in the second pipeline (20) for opening and closing the flow path; A body portion 40 inserted in the longitudinal direction of the second conduit 20 to seal the front end of the on-off valve 30 when the on-off valve 30 is replaced; A plurality of engaging pins 58 protruding from the front end of the body portion 40 so as to be protruded from the body portion 40 so that a plurality of The body 40 can be moved in the longitudinal direction of the second conduit 20 in order to replace the opening and closing valve 30, The engaging pin 58 fits and fits on the inner wall of the first conduit 10 communicated with the second conduit 20 so that the body portion 40 is in contact with the first conduit 10 and the second conduit 20, (50) for reliably floating and seated in a preset position even under a change or a high water pressure; A driving part 60 detachably connected to a rear end of the seating part 50 to allow the seating part 50 to be inserted or protruded in the longitudinal direction; And a control unit.

As described above, according to the present invention, there is an effect that the body part installed in the pipeline can be securely and securely fixed to the inside of the pipeline for valve replacement.

Further, the present invention has the effect of being easy to attach and detach to a pipeline.

In addition, the present invention is capable of reliably interrupting the end water in the pipeline, thereby preventing safety accidents caused by failure of the device to float on the pipeline.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view of an embodiment of a safety and seating device for receiving end-of-line valves in accordance with the present invention. FIG.
FIG. 2 and FIG. 3 are views of an embodiment showing the operation of a seat acceptance safety and seating apparatus when a water pipe valve is replaced according to the present invention. FIG.
4 is a view of an embodiment showing a state in which a seat portion is inserted into a channel by narrowing a latch pin according to the present invention.
FIG. 5 is a view of an embodiment showing a state in which the seat portion according to the present invention is inserted into a duct, the seat portion is moved backward, and the engagement pin is extended to be fixed to the duct.
FIG. 6 and FIG. 7 are views of an embodiment showing a mutual coupling structure of a seat portion according to the present invention and a driving portion for transmitting a rotational force to the seat portion. FIG.
8 is a view showing a connecting rod and a push tube connected to a seating part according to the present invention.

Before describing in detail several embodiments of the invention, it will be appreciated that the application is not limited to the details of construction and arrangement of components set forth in the following detailed description or illustrated in the drawings. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front," "back," "up," "down," "top," "bottom, Expressions and predicates used herein for terms such as "left," " right, "" lateral, " and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation. Also, terms such as " first "and" second "are used herein for the purpose of the description and the appended claims, and are not intended to indicate or imply their relative importance or purpose.

The present invention has the following features in order to achieve the above object.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

According to one embodiment of the present invention,

A second conduit (20) communicating in a direction perpendicular to the first conduit (10) and the first conduit (10); An open / close valve (30) installed in the second pipeline (20) for opening and closing the flow path; A body portion 40 inserted in the longitudinal direction of the second conduit 20 to seal the front end of the on-off valve 30 when the on-off valve 30 is replaced; A plurality of engaging pins 58 protruding from the front end of the body portion 40 so as to be protruded from the body portion 40 so that a plurality of The body 40 can be moved in the longitudinal direction of the second conduit 20 in order to replace the opening and closing valve 30, The engaging pin 58 fits and fits on the inner wall of the first conduit 10 communicated with the second conduit 20 so that the body portion 40 is in contact with the first conduit 10 and the second conduit 20, (50) for reliably floating and seated in a preset position even under a change or a high water pressure; A driving part 60 detachably connected to a rear end of the seating part 50 to allow the seating part 50 to be inserted or protruded in the longitudinal direction; And a control unit.

The seat portion 50 is rotatably fixed within the housing 41 of the body portion 40 and has a rear end connected to the driving portion 60 so as to transmit rotational power. And a rear end portion of the rear end of the housing 41 is screwed to the rear end of the housing 41. The rear end of the rear end portion of the housing 41 is screw- (56); A plurality of engagement pins 58 hinged to one end of the control shaft 56; A tensionable / compressible elastic member 59 connecting the ends of the plurality of engaging pins 58 so that the plurality of engaging pins 58 can maintain a narrowed state of the initial preset angle alpha; And a control unit.

The seating portion 50 is inserted into the first conduit 10 in a state where a plurality of the engagement pins 58 are narrowed to a preset angle alpha. When the opening / closing valve 30 is replaced, The moving shaft 57 is moved backward by the rotational force transmitted from the driving unit 60 so that the end portions of the plurality of locking pins 58 are gradually opened and fixed while being in contact with the inner wall of the first conduit 10, The moving shaft 57 is advanced by the rotational force transmitted from the driving unit 60 so that the plurality of engaging pins 58 are moved by the elastic member 59 to the preset angle? And the angle is narrowed so as to be separated from the inner wall of the first conduit (10) while being returned to the original state, and to be detached into the second conduit (20).

The driving unit 60 includes a main case 62 having a through hole 62a formed therein in the longitudinal direction thereof; A driving tube 63 inserted and fixed in the through hole 62a; The moving shaft 57 is inserted into the driving tube 63 and is coupled to the outer circumference of the moving shaft 57 in the seating part 50 to transmit the rotational force, A push tube 64 to be moved forward and backward in the forward direction; When the movable shaft 57 is moved forward and backward through the push tube 64, the push rod 64 is inserted into the push tube 64 so that the seat portion 50 and the driving portion 60 are connected and fixed to each other, A connecting rod 65 connected to the other end of the moving shaft 57; The push tube 64 is rotatably rotated on the outside of the drive tube 63 so that the push tube 64 can be easily rotated in the drive tube 63, (67); And a control unit.

1 to 8, a description will be made in detail of a safety and seating apparatus for receiving a secondary end of a water pipe valve according to a preferred embodiment of the present invention.

The second passage accommodating and securing apparatus includes a first passage 10, a second passage 20, an on-off valve 30, a body 40, a seat 50, 60).

The first conduit 10 and the second conduit 20 are connected to each other in a direction orthogonal to the first conduit 10 and the second conduit 20 in the present invention.

In other words, the second conduit 20 is connected to the first conduit 10 in an interrupted manner such that the second conduit 20 is orthogonal to the first conduit 10.

The on / off valve 30 is installed on the second conduit 20 (or on the first conduit 10), and seals or opens the inside of the second conduit 20 using a disk, Various valves may be targeted.

The body portion 40 is inserted into the second conduit 20 in the longitudinal direction to replace the on-off valve 30 on the second conduit 20, The front end of the second conduit 20 connected to the first conduit 10 (the front end of the open / close valve 30 in the second conduit 20) is sealed and fixed. A housing 41 having a circular cross section and a mounting hole 42 are formed in the longitudinal direction inside the housing 41. According to an embodiment of the user, the housing 41 may have a structure in which a plurality of bodies are continuously connected Yes.

The structure in which the body portion 40 seals the duct in the second duct 20 may have various structures according to various embodiments of the user, A portion of the outer periphery of the body portion 40 is swollen by the air and is closely attached to the inner wall of the second conduit 20 so that the front and rear ends of the body portion 40 are not communicated with each other and the conduit is sealed. The structure in which the body portion 40 (the end water valve replacement device) seals the pipeline is a well known technique, and a detailed description thereof will be omitted.

The seat portion 50 is mounted on the front end of the body portion 40 described above so that the body portion 40 sealing the inside of the second pipe 20 is prevented from being shaken, And is securely and securely fixed and floated at a predetermined position (closed position) in the second conduit 20 without being moved.

That is, the seat portion 50 is provided at the front end of the housing 41 constituting the body portion 40 so as to be capable of opening and folding at a predetermined angle?, And the body portion 40 is connected to the second pipe The portion of the seat portion 50 is inserted into the first channel 10 communicating with the second channel 20 through the second channel 20, And the first pipe 10 is in close contact with the inner wall of the first pipe 10 so that the body 40 is floated and the position is seated when the opening and closing valve 30 is replaced.

To this end, the seating portion 50 includes a moving shaft 57, an engagement pin 58, and an elastic member 59.

The moving shaft 57 is configured to penetrate the inside of the housing 41 through which the inside of the body portion 40 penetrates in the longitudinal direction and one end (front end) of the moving shaft 57 protrudes to the outside. Is connected to the driving unit 60, which will be described later, so as to be able to transmit power, and is installed to be able to move forward and backward. The moving shaft 57 is again composed of the rotational force transmitting body 53 and the adjusting shaft 56. [

The rotational force transmitting body 53 is rotatably installed in the housing 41 of the body portion 40. The rotational force transmitting body 53 is rotatably connected to the driving portion 600 to be described later and can transmit rotational force from the driving portion 60, And a head portion 52 connected to the driving portion 60. The end portion (rear end portion) of the head portion 52 is formed with a threaded portion 51 And the connecting rod 65 of the driving part to be described later is coupled to the screw groove 52a to transmit the rotational force. The fixing plate 54 And the fixing plate 54 can be rotated at a fixed position in a state where the rotation force transmitting member 53 is fixed in position inside the housing 41. [

The adjustment shaft 56 is inserted into the housing 41 to a predetermined depth and a screw hole 55 for screwing the rotation force transmitting body 53 is formed at the rear end thereof. And is moved forward and backward in the longitudinal direction of the housing (41).

In other words, when the rotational force transmitting body 53 receives rotational force from the driving unit 60 and rotates in the housing 41, the rotational shaft 53 and the rear end of the rotational shaft 53 are screw- Backward in the form of being inserted into the housing 41, or forward and backward in the form of being advanced to the outside of the housing 41 by a predetermined length.

Of course, the driving unit 60 to be described later is not limited to a certain configuration as long as it can be detachably coupled to the rear end of the body part 40 and can transmit the rotational force of the rotation force transmitting unit 53. [

The locking pin 58 is a pin that is hinged to the front end of the aforementioned moving shaft 57 (more specifically, the adjusting shaft 56) Is narrowed toward the front end portion by a predetermined angle? Like '<'.

Both ends of the elastic member 59 (e.g., a spring or the like) are fastened to the outer circumferential surfaces of the plurality of engaging pins 58 so that a plurality of engaging pins 58 are engaged with the initial preset angle? ) Of the movable shaft 57, or an angled angle between the engaging pins 58 when the engaging pins 58 are in contact with the outer periphery of the front end of the moving shaft 57).

As a result, the seating part 50 is first inserted into the first conduit 10 in a state in which the plurality of engagement pins 58 are narrowed to the predetermined angle?, And when the opening / closing valve 30 is replaced, The moving shaft 57 is moved backward by the driving unit 60 so that the ends of the plurality of engaging pins 58 are extended and fixed on the inner wall in a state of being in contact with the inner wall of the first channel 10, The moving shaft 57 is moved forward by the driving unit 60 so that the plurality of engaging pins 58 are brought into close contact with the inner wall of the first channel 10 and then gradually moved away from the inner wall, The retaining pin 58 is engaged with the front end of the body portion 40 as the retaining pin 58 is completely separated from the inner wall of the first conduit 10 while being restored to the original state at the predetermined angle alpha by the elastic member 59, (Can be removed) from the second conduit 20 to the outside. (The diameter of the second channel 20 can pass when the plurality of engaging pins 58 are narrowed down to the initial preset angle?, But the plurality of engaging pins 58 extend to be close to 180 degrees In this case, it has a diameter that can not pass.)

In addition to the means for swelling up and fixing the periphery of the second conduit 20 for valve replacement, the body portion 40 is fastened to the inner wall of the first conduit 10 communicating with the second conduit 20, The pin 58 allows the front end of the body portion 40 to be floated safely and securely.

The driving unit 60 is connected to the rear end of the seating unit 50 and more specifically to the other end of the housing 41 of the body unit 40 so that the seating unit 50 can be separated / So as to be inserted in the longitudinal direction or protruded to the outside.

In addition, a flange 61 is formed at the front end of the driving part 60 and can be connected and fixed to the flange on the other side of the replaceable or replaceable on / off valve.

The driving unit 60 includes a main case 62, a driving tube 63, a push tube 64, and a connecting rod 65.

The main case 62 is a tubular body having a through hole 62a formed therein in the longitudinal direction.

The drive tube 63 is a tubular body having an inner space and is inserted into the main case 62 in the longitudinal direction and has both ends protruded from both ends of the main case 62. The main case 62 is formed of a plate- (Pinion) 66 in a state of being inserted and mounted toward the longitudinal direction of the vehicle.

To this end, in an embodiment of the present invention, a rack 63 'is formed on the outer periphery of the drive pipe 63, and a pinion 66, which is gear-engaged with the rack 63' And the drive tube 63 corresponding to the rack 63 'is moved back and forth in the main case 62 as the pinion 66 rotates, such as a rack and a pinion, . Of course, if the drive tube 63 can be moved forward and backward in the main case 62, various methods other than the rack and pinion can be used.

The push tube 64 is inserted into the above-described drive tube 63 and has an outer peripheral edge (more specifically, the moving shaft 57) of the moving shaft 57 inserted in the above- (The other end of the rotation force transmitting body 53) to transmit the rotational force so that the moving shaft 57 moves forward and backward in the body portion 40 along the rotating direction. Of course, in order to transmit the rotational force, the outer peripheral edge of the other end of the rotation force transmitting body 53 has a polygonal section, and the inner peripheral edge of the other end of the push tube 64 fitted to the outer peripheral edge should also have a polygonal section . As the push tube 64 is rotated, the rotational force transmitting body 53 is rotated by the rotational force of the push tube 64. The rotation of the rotational force transmitting body 53 is controlled such that the regulating shaft 56 is moved forward and backward in the longitudinal direction And the forward and backward movement of the adjustment shaft naturally depends on the rotational force direction of the push tube 64 (clockwise or counterclockwise). The push tube 64 is detachably connected to the push tube 64 at a rear end so that the length of the push tube 64 is similar to the length of the drive tube 63, It is possible to further include an extension pipe 67 provided with a turning handle at an end portion for rotating the push tube 64 outside the drive pipe 63 so as to be easily rotated within the drive pipe 63.

The connecting rod 65 is connected to the push tube 64 so that the seating part 50 and the driving part 60 are connected and fixed to each other when the moving shaft 57 is moved forward or backward through the push tube 64. [ So that one side thereof is connected to the other end of the moving shaft 57. In order to open and close the seating part 50, the moving shaft 57 must be moved forward and backward. To do so, the seating part 50 and the driving part 60 must be connected to each other, The push tube 64 is connected to the seat portion 50 to connect the seat portion 50 (or the body portion 40) and the removable drive portion 60 to the seat portion 50, And the seating part 50 and the driving part 60 are connected to each other through the connecting rod 65. In this case,

Needless to say, the connecting rod 65 is formed with a thread at one end thereof and has a length protruding to the outside of the other end of the driving unit 60 so as to rotate the connecting rod 65 in a state of being inserted into the driving unit 60 something to do. The screw groove 52a corresponding to the one-end thread of the connecting rod 65 is formed at the inner circumferential edge of the other end of the rotational force transmitting body 53, as described above.

The connection rod 65 corresponds to the rotational force transmitting member 53 and is screwed so that the seat portion 50 and the driving portion 60 are connected to each other When the push tube 64 is rotated, the rotational force transmitting body 53 connected to the push tube 64 is rotated to move the movable shaft 57 ) Will be backward and forward. The drive tube 63 may be moved forward or backward to project the seat 50 to the front end of the drive unit 60 or to withdraw the whole of the apparatus after completion of valve replacement , And is used when the seat part (50) is retracted and inserted into the driving part (60) in the form of a double pipe.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

10: first conduit 20: second conduit
30: opening / closing valve 40:
41: housing 42: mounting hole
50: seat part 51:
52: head portion 52a: screw groove
53: Torque transmitting body 54: Fixing plate
55: screw fastening hole 56: adjusting shaft
57: moving shaft 58: engaging pin
59: elastic member 60:
61: flange 62: main case
62a: Through hole 63: Drive tube
63 ': Rack 64: Push tube
65: connecting rod 66: pinion
67: extension pipe

Claims (4)

Is inserted into the second conduit (20) in order to replace the first conduit (10) and the open / close valve (30) installed at the end of the second conduit (20) communicating in a direction orthogonal to the stop of the first conduit ,
A body portion 40 inserted in the longitudinal direction of the second conduit 20 and fixed to a predetermined position so as to seal the front-end side flow path of the on-off valve 30;
A plurality of engaging pins 58 are formed at one side of the body 40 so as to protrude forward and backward in the longitudinal direction of the body 40, 58 can be opened and folded at a preset angle (alpha)
When the body portion 40 is inserted in the longitudinal direction of the second pipe 20, the latching pin 58 is opened and closed on the inner wall of the first pipe 10 communicated with the second pipe 20, (50) that allows the portion (40) to be surely floated and seated in the preset position even in a hydraulic pressure change or a high water pressure in the first and second conduits (10, 20);
A driving unit 60 detachably connected to a rear end of the seating unit 50 to transmit a rotational force to move the seating unit 50 forward and backward; , &Lt; / RTI &gt;
The seating part (50)
A rotation force transmitting body 53 rotatably fixed in the housing 41 of the body part 40 and having a rear end connected to the driving part 60 so as to transmit rotational force;
And a rear end portion of the rear end of the housing 41 is screwed to the rear end of the housing 41. The rear end of the rear end portion of the housing 41 is screw- (56);
A plurality of engagement pins 58 hinged to one end of the control shaft 56;
And a tensionable / compressible elastic member 59 connecting the ends of the plurality of engaging pins 58 so that the plurality of engaging pins 58 can maintain a narrowed state of the initial preset angle? ,
The seating part (50)
A plurality of engagement pins 58 are inserted into the first conduit 10 in a state of being narrowed to a preset angle alpha,
When the opening / closing valve 30 is replaced,
The moving shaft 57 constituted by the rotational force transmitting body 53 and the adjusting shaft 56 is moved back by the rotational force transmitted from the driving unit 60 so that the ends of the plurality of the locking pins 58 are moved And gradually widened and fixed in a state of being in contact with the upper surface
When the opening / closing valve 30 is completely replaced,
The moving shaft 57 is advanced by the rotational force transmitted from the driving unit 60 so that the plurality of engaging pins 58 are returned to the original state at the predetermined angle alpha by the elastic member 59, 10 so that the angle is narrowed so as to be detachable into the second conduit 20,
The driving unit 60
A main case 62 forming a through hole 62a in the longitudinal direction inside;
A driving tube 63 inserted and fixed in the through hole 62a;
The moving shaft 57 is inserted into the driving tube 63 and is coupled to the outer circumference of the moving shaft 57 in the seating part 50 to transmit the rotational force, A push tube 64 to be moved forward and backward in the forward direction;
When the movable shaft 57 is moved forward and backward through the push tube 64, the push rod 64 is inserted into the push tube 64 so that the seat portion 50 and the driving portion 60 are connected and fixed to each other, A connecting rod 65 connected to the other end of the moving shaft 57;
The push tube 64 is rotatably rotated on the outside of the drive tube 63 so that the push tube 64 can be easily rotated in the drive tube 63, And an extension pipe (67) for guiding the passage of the water.
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