KR20100096957A - Locking device for screwed fitting pipe - Google Patents

Abstract

PURPOSE: A lock apparatus of a screw type joint pipe, which prevents the unfastening of a screw type joint which is united at a screw part of a cylindrical socket, is provided to secure watertightness by pressing packing and by fastening screw type joint at a stopping sill. CONSTITUTION: A lock apparatus of a screw type joint pipe comprises a cylindrical socket(100). Sills(135,135') are formed on the stopping sill of the cylindrical socket. Screw threads(136,136') are formed on the sill. Gear-shaped female lock devices(140,140') have screw threads. Expandable parts(160,160') are formed in the front part of screw-type joints(150,150'). Recessed grooves(161,161') are formed at the inner circumference of the expandable parts. Gear-shaped male lock devices(180,180') are formed on the recessed groove.

Description

Locking devices for threaded fittings {omitted}

The present invention relates to a joint pipe interconnecting the water and sewage synthetic resin pipe. More specifically, the packing is installed in the packing portion on the inner peripheral surface of the inlet of both sides of the cylindrical socket, there is a threaded portion on both outer peripheral surface, there is a locking jaw at the end of the both sides of the threaded socket and install a threaded joint on the threaded portion of the cylindrical socket. Insert the synthetic resin tube inserted into both sides of the cylindrical socket so as to contact the chin in the center of the cylindrical socket, the screw joint installed in the threaded portion of the cylindrical socket to be in close contact with the locking jaw at the end of the threaded socket In the "screwed joint pipe" is tightened,

And forming a stepped jaw at the position of the engaging jaw at the end of the threaded portion of the cylindrical socket and forming a screw thread on the stepped jaw, forming a hungry rock lock device on the screwed thread.

And forming a jaw extension in the front of the threaded joint. The groove of the screw is formed on the inner circumferential surface of the expansion part, but the gear type locking device is formed on the groove of the screw. The threaded joint is installed in the threaded portion of the cylindrical socket. When the screw joint is tightened using physical properties such as ductility, elongation, density, and the like of the resin, the gear type locking device formed on the threaded joint is clamped to the gear type locking device formed on the cylindrical socket. It is a technique capable of forming a locking device of a screwed joint pipe in which the screwed joint is not loosened by tightening the screwed portion of the cylindrical socket even in vibration or earthquake.

Conventional water and sewage synthetic resin pipe "screwed joint pipe" is formed of synthetic resin. There is a packing part on the inner circumferential surface of both sides of the inlet of the cylindrical socket, and a packing is provided on the packing part, and a screw part is provided on the outer circumferential surface of the both sides. At the end of the screw portion there is a locking jaw. Installing a threaded joint in the threaded portion of the cylindrical socket and inserting a synthetic resin tube inserted into both inlets of the cylindrical socket, and inserting it to reach the jaw in the center of the cylindrical socket. Threaded joints provided in the threaded portion of the cylindrical socket. The screw joint is tightened so as to be in close contact with the locking step at the end of the screw portion. When pressing the packing installed in the packing portion. The packing is to be pressed against the synthetic resin tube inserted into the packing portion becomes watertight and can prevent the separation of the inserted synthetic resin tube.

But. The conventional "screwed joint pipe" is caused by vibration or earthquake. A threaded joint fastened to the threaded portion of a cylindrical socket. There's a problem with the release. Leaks occur. There is a defect that the inserted synthetic resin tube is pulled out.

Conventional screw-in joints as described above are frequently passed by vehicles. As a joint pipe of water and sewage synthetic resin pipe buried in the area. The use of water and sewage, especially in high-rise buildings. Also for synthetic joints. Avoid use.

Synthetic resin pipes formed by extrusion molding and conventional threaded joint pipes connecting them are soft products of injection molded products of synthetic resins. When vibration is generated, there is a disadvantage in that it reacts more sensitively than other pipes. In the above description, the separation of the synthetic resin pipe inserted into the cylindrical socket is possible only when the threaded joint installed in the threaded portion of the cylindrical socket is not loosened.

The present invention to both sides of the inlet of the cylindrical socket to solve the problems of the conventional screw-type joint pipe as described above. Insert the synthetic resin pipe inserted. Tighten the threaded joints on both sides of the cylindrical socket so that they are in close contact with the locking jaw, and tighten the packing to secure the watertight. In the conventional screw-type joint pipe that prevents the separation (extraction) of the inserted synthetic resin tube, the present invention is fastened by tightening the screw portion on both sides of the cylindrical socket. Threaded joint In order to prevent loosening by vibration, the cylindrical socket and the threaded joint. It is an object of the present invention to provide a "locking device of a screwed joint pipe" which does not loosen in vibration because it forms a gear-shaped lock device.

The present invention is to provide a stepped in the position of the locking step in the threaded end of the cylindrical socket in the conventional screw-type joint pipe to achieve the above object. A screw thread is formed on the stepped portion, and a gear-type rock block device is formed on the screw thread. In front of the screw joint. Forming a jaw extension. A groove of a screw is formed on an inner circumferential surface of the expansion part, a gear-type locking device is formed on a groove of the screw, and a packing is provided on an inner circumferential surface packing of the cylindrical socket. The threaded joint is installed on the threaded portion of the cylindrical socket, and a synthetic resin tube is inserted into both sides of the cylindrical socket so as to contact the jaw at the center of the inner circumferential surface of the cylindrical socket. A gear type locking device formed on the threaded joint by tightening the threaded joint provided on the threaded portion of the cylindrical socket using the properties of the synthetic resin (ductility density, elongation, etc.). It is bit like a gear by the gear-locking device formed on the step of the cylindrical socket. As it is fastened. Even in vibration, or earthquake. Fastened by tightening the screw portion of the cylindrical socket. The threaded joint It is possible to form a locking device for a screwed joint that does not loosen

Conventional threaded joints are fastened by tightening the threaded portion of the cylindrical socket. There is a problem that the threaded joint is loosened due to vibration, and water leakage occurs. There is a defect that the synthetic resin tube inserted into the cylindrical socket is separated. therefore. Underground in areas with frequent traffic. As a joint pipe of the synthetic resin pipe of water and sewage of high-rise building. The use of conventional threaded fittings has been avoided.

The present invention forms a lock (Lock) device in the conventional screw-type fitting pipe. Vibration or. By earthquake. There is an effect that can be prevented from loosening the screw joint fastened by tightening the screw portion of the cylindrical socket.

Therefore, the present invention is a lock device of the screwed joint pipe even where vibration occurs. Watertightness is safe and there is an effect that can prevent the separation (falling out) of the synthetic resin tube inserted into the cylindrical socket.

The gear type locking device formed in the threaded joint of the present invention. What can be fastened by being bitten like a gear by a gear-type rocking device formed on the step of the cylindrical socket. With technology using synthetic resin properties. Technology development is effective. (Not possible with other products)

The present invention is the development of the lock device of the screw-type joint pipe. Apartments and high-rise buildings. The use of synthetic resin pipes buried in the ground is greatly increased, which has an economic effect of increasing sales.

Screw joint type pipe is the best as the joint of conventional synthetic pipe. There was a problem solved by the vibration. By solving the problem with the present invention "locking device of screwed joint". There is a big economic effect and a big effect on technology development.

Synthetic resin pipe is soft and earthquake. When vibration occurs, the reaction is most sensitive. The damage can be greatest. Since only the connecting pipe is perfect, it is absolutely safe. The lock device of the screw-type joint pipe of the present invention has an economic effect that can be exported to many earthquakes, such as Japan.

With reference to the accompanying drawings, the present invention will be described in detail.

1 is a cross-sectional view of a conventional threaded fitting pipe.

Packings 111 and 111 'are installed on the packing parts 110 and 110' on the inner circumferential surfaces of both sides of the cylindrical socket 100, and threaded parts 120 and 120 'are provided on the outer circumferential surfaces of the cylindrical socket 100. (120, 120 ') at the end of the engaging jaw (130, 130'), the threaded joints (150, 150 ') in the threaded portion 120, 120' of the cylindrical socket 100 . Insert the synthetic resin pipe (200) (200 ') is inserted into the inlet of the both sides of the cylindrical socket 100, and inserted to contact the jaw 101 in the center of the cylindrical socket (100). The locking projections 130 and 130 'at the ends of the threaded joints 150 and 150' installed in the threaded portions 120 and 120 'of the cylindrical socket 100 are mounted. ) Is a "screw-type joint pipe" that is tightened to be in close contact with

When the threaded joints 150 and 150 'installed on the threaded portions 120 and 120' of the cylindrical socket 100 are tightened to be in close contact with the locking projections 130 and 130 '. The threaded joint 150, 150 ′ is pressed against the packing 111, 111 ′ installed in the packing 110, 110 ′. The packing 111 and 111 ′ are compressed to the packing 110 and 110 ′ and the inserted synthetic resin tubes 200 and 200 ′, thereby preventing leakage, and inserting the synthetic resin tubes 200 ( 200 ') can be prevented.

However, due to vibration or earthquake, there is a problem that the threaded joints 150 and 150 ', which are tightened by being fastened to the threaded portions 120 and 120' of the cylindrical socket 100, are loosened, so that a leak occurs and is inserted. There is a defect that the synthetic resin pipes 200, 200 'are dislodged.

therefore. Underground where vehicles pass frequently, as well as joint pipes for water and sewage synthetic resin pipes in high-rise buildings. Avoid the use of threaded fittings.

But the best fitting pipe ever developed. It is a screwed joint pipe, and it is the best joint pipe if it solves the problem of loosening by vibration.

The separation prevention and leakage of the synthetic resin tube inserted into the cylindrical socket is possible when the screwed joints 150 and 150 'fastened to the threaded portions 120 and 120' of the cylindrical socket are not released. Will. If the threaded joints 150, 150 'are loosened by vibration, they become useless joints in the area where vibration is generated.

Figure 2 is a cross-sectional view of the lock device of the present invention, screwing joint pipe.

2 is for preventing the conventional screw-type joint pipe is loosened by vibration,

In the conventional screw-type joint pipe, the stepped (135, 135 ') at the position of the engaging projection (130, 130') at the end of the threaded portion 120, 120 'on both sides of the outer peripheral surface of the cylindrical socket (100). Forming. Forming a thread (136) (136 ') on the step (135) (135') and forming a gear type rock device (140) (140 ') on the thread (136) (136'). Expansion portions 160 and 160 'with jaws 155 and 155' are formed in front of the threaded joints 150 and 150 ', and screws are provided on the inner circumferential surface of the expansion portions 160 and 160'. To form grooves 161 and 161 '. To form gear type locking device 180, 180 'in the grooves 161, 161' of the screw

The threaded joints 150 and 150 'are installed on the threaded portions 120 and 120' of the cylindrical socket 100, and the synthetic resin pipes 200 and 200 'are inserted into the cylindrical sockets 100. Inserted in and in contact with the jaw 101 in the center of the cylindrical socket (100).

Threaded joints 150, 150 'installed in the threaded portion 120, 120' of the cylindrical socket 100. When tightened, the gear type device 180, 180 'formed on the extension 160, 160' of the threaded joint 150, 150 'due to the physical properties (ductility, elongation, density) of the synthetic resin. As the gear-type rock block device (140, 140 ') formed on the stepped (135) (135') of the cylindrical socket 100 is fastened like a gear. Vibration or. By earthquake etc. The screw joints 150 and 150 'fastened to the threaded portions 120 and 120' of the cylindrical socket 100 are locking devices of the threaded joint pipes which are not loosened.

)을 형성한 것이고. 기어형암록장치(140)(140')는 단턱(135)(135') 위에 나사산(136)(136')을 형성하고. 상기 나사산(136)(136')에. 기어형상(

)이 형성된 것으로. 원통형소켓트(100)의 나사부(120)(120')에 설치된 나사식조인트(150)(150')를 조이면. 원통형소켓트(100)의 내주면 packing부(110)(110')에 설치된 packing(111)(111')이 압박을 받아. 상기 packing부(110)(110')와 삽입된 합성수지관(200)(200')에 압착되어 누수를 방지하고 삽입된 합성수지관(200)(200')의 이탈을 방지할 수 있으며 상기 기어형숫록장치(180)(180')가 상기 기어형암록장치(140)(140')에 기어처럼 물려지면 나사의 나선방향, 우로는 계속 조여질 수 있으나. 반대로 풀려지지 않도록 기어의 이빨이 한쪽은 낮고 한쪽은 높은 기어형상(

)으로 형성되었고. 나사식조인트(150)(150')의 턱(155)(155')이 원통형소켓트(100)의 단턱(135)(135')에. 닿으면 더이상 조여지지 않도록 형성되어, 안전하게 조여서 체결할 수 있도록 형성된 나사조임식 이음관의 록(Lock) 장치이다.Gear type wheel device 180 of the present invention (180 ') is. Gear shape (s) in the thread grooves (161, 161 ') of the inner peripheral surface of the expansion (160, 160')

). The gear type rock device 140, 140 'forms threads 136, 136' on the stepped 135, 135 '. To the threads 136, 136 '. Gear shape

) Is formed. Tighten the threaded joints 150, 150 'installed in the threaded portions 120, 120' of the cylindrical socket 100. The packing 111, 111 ′ installed in the inner peripheral surface packing 110, 110 ′ of the cylindrical socket 100 is pressurized. The packing unit 110, 110 'and the inserted synthetic resin tube 200, 200' is compressed to prevent leakage and prevent the separation of the inserted synthetic resin tube 200, 200 'and the gear type When the male rock device 180, 180 'is bitten by the gear-shaped rock device 140, 140' like a gear, the screw direction, the right can still be tightened. Conversely, the teeth of the gears are low on one side and high on the other (

) The jaws 155, 155 ′ of the threaded joints 150, 150 ′ are provided on the steps 135, 135 ′ of the cylindrical socket 100. It is a lock device of a screwed type joint pipe formed so that it can not be tightened any more when it is touched, and it can be tightened safely.

In the present description, the "bite like a gear" is fastened to the gear teeth of the gear type wheel device 180, 180 '. It is described that the gear teeth of the gear type rock device 140, 140 'is bitten together. Male rock device, rock device means "female, male". "Lock" describes Lock.

3 is a cross-sectional view of the gear block.

Steps 135 and 135 'are formed at the positions of the locking projections 130 and 130' of the cylindrical socket 100 of the conventional threaded fitting pipe. On the stepped portions 135 and 135 ', threads 136 and 136' were formed, and gear type rock blocks 140 and 140 'were formed on the threads 136 and 136'. The threads 136 and 136 ′ formed on the step 136 and 136 ′ are formed in the same angle and direction as the threads formed in the threaded portions 120 and 120 ′ of the cylindrical socket 100. It is formed so as to be well coupled with the spiral grooves 161 and 161 'formed in the extension portions 160 and 160' of the joints 150 and 150 '.

Gear teeth of the gear-shaped rock device 140, 140 'formed on the stepped thread 136, 136' may be formed in a gun,

)으로, 계속 이어져 형성되었으며 기어형암록장치(140)(140')의 기어이빨에 기어형숫록장치(180)(180')의 기어이빨이 물리면 진동이나 지진에 의하여 풀리지 않는다The height of the gear teeth of the gear type rock device 140, 140 'is formed low. The gear teeth are low on one side and high on the one side.

), The gear teeth of the gear type rocker device 180, 180 'to the gear teeth of the gear type rock device 140, 140' is not released by vibration or earthquake.

4 is a cross-sectional view of the gear type rock device.

Threaded joints 150, 150 'of conventional threaded joints, extensions 160, 160' with a jaw 155, 155 'at the front part are formed and the extensions 160 ( The grooves 161 and 161 'of the screw are formed on the inner circumferential surface of the 160', and the gear type locking devices 180 and 180 'are formed on the grooves 161 and 161' of the screw.

The grooves 161 and 161 'of the screw are formed in the same angle and direction as the thread grooves of the threaded portions formed in the threaded joints 150 and 150', so that the stepped portion 155 of the cylindrical socket 100 is provided. It is formed to be fastened to the threads 136, 136 'formed on the 155').

The gear teeth of the gear-type locking device 180, 180 'formed in the spiral recesses 161, 161' of the expansion parts 160, 160 'may be totally formed.

) 형상으로 계속 이어져 형성되었으며, 원통형소켓트(100)의 단턱(155)(155')에 형성된 기어형암록장치(140)(140')의 기어이빨과. 상기 기어형숫록장치(180)(180')의 기어이빨이 나사식조인트(150)(150')를 조이면. 상호 물려져 체결될 수 있도록 형성되었다, 진동에 의하여 원통형소켓트의 나사부(120)(120')에 조여서 체결된 나사식조인트(150)(150')가. 풀리지 않으며, 상기 기어형숫록장치(180)(180')의 기어이빨 하나만 원통형소켓트(100)의 기어형암록장치(140)(140')의 기어이빨에 물리기만 하여도. 진동이나 지진에 의하여 풀리지 않도록, 기어이빨의 형상이 한쪽은 낮고 한쪽이 높은 기어형상(

)으로. 형성되었다.The height of the gear teeth of the gear type number device 180, 180 'is formed low. Gear teeth are low on one side and high on the other (

And the gear teeth of the gear-shaped rock device 140, 140 'formed on the stepped portions 155, 155' of the cylindrical socket 100. When the gear teeth of the gear type rock device 180, 180 'tightens the threaded joint 150, 150'. It was formed so as to be coupled to each other, the threaded joints 150, 150 'fastened by tightening to the threaded portion 120, 120' of the cylindrical socket by vibration. It is not loosened, even if only one of the gear teeth of the gear-type rock device (180) (180 ') to the gear teeth of the gear-type rock device (140) (140') of the cylindrical socket (100). To avoid loosening due to vibration or earthquake, the gear teeth have a low shape on one side and a high shape on one side.

)to. Formed.

5 is a cross-sectional view of a part in which the gear type rock device is fastened by being bitten by the gear type rock device.

The present invention is a lock device for a screw-type joint pipe which can prevent the loosening by vibration by forming a lock (lock) to the conventional screw-type joint pipe formed of synthetic resin.

Gear-type locking devices 180, 180 'formed on the extension portions 160, 160' of the threaded joints 150, 150 'are provided on the stepped portions 135, 135' of the cylindrical socket 100. It is possible to be fastened by being bitten like a gear to the formed gear-shaped rock device 140, 140 'is possible because of the properties of the synthetic resin (ductility, elongation, density, etc.). The gear teeth of the gear type locking device 180, 180 'are tightened by tightening the threaded joints 150, 150' installed in the threaded parts 120, 120 'of the cylindrical socket 100. (140 ') is fastened by the bite of the gear teeth. When tightening the threaded joint to prevent excessive tightening of the threaded joints 150, 150 ', the threaded joints 150, 150' are fitted to the steps 135, 135 'of the cylindrical socket 100. The jaws 155 and 155 'are formed to touch.

)으로 형성된 것은 기어형숫록장치(180)(180')가 기어형암록장치(140)(140')에 물려서 체결되면, 진동에 의하여 풀리지 풀리는 것을 방지하기 위함이다With gear type locking device 180, 180 '. The gear teeth of the gear type rock device 140, 140 'have a low gear shape on one side and a high gear shape on one side (

It is formed by) is to prevent the gear type rocking device 180, 180 'when the gear type rock device (140, 140') is engaged by being engaged, the loosening by vibration.

※ The figure below describes the thread and groove of the screw.

1 is a cross-sectional view of a conventional threaded fitting pipe.

Figure 2 is a cross-sectional view of the lock (Lock) device of the threaded joint of the present invention.

3 is a cross-sectional view of the gear rock block device.

Figure 4 is a cross-sectional view of the gear type wheel device.

5 is a cross-sectional view of a part in which the gear type rock device is fastened by being bitten by the gear type rock device;

Claims (3)

The present invention to interconnect the water and sewage synthetic resin pipe Packings 111 and 111 'are installed on the packing parts 110 and 110' at the inner circumferential surfaces of both sides of the cylindrical socket 100, and threaded parts 120 and 120 'are provided on the outer circumferential surfaces of the cylindrical socket 100. (120, 120 ') at the end of the locking step 130, 130', The threaded joints 150 and 150 'are installed on the threaded portions 120 and 120' of the cylindrical socket 100, and the synthetic resin pipe 200 is inserted into both sides of the cylindrical socket 100. 200 ') to insert the threaded joint 150 to be inserted in contact with the jaw 101 in the center of the cylindrical socket 100 and to the threaded portions 120, 120' of the cylindrical socket 100. It relates to a screw-type joint pipe for tightening and tightening (150 ') to be in close contact with the engaging jaw (130) (130'), by tightening on both sides of the cylindrical socket (100) (120, 120 ') In order to prevent loosened screw joints 150 and 150 'due to vibration, Steps 135 and 135 'are formed at the locking step 130 and 130' of the cylindrical socket 100, and threads 136 and 136 'are formed on the step 135 and 135'. and. Gear thread lock device (140, 140 ') is formed in the thread (136) (136'), and the extension with the jaw (155, 155 ') in front of the threaded joint (150, 150') Forming portions 160, 160 ′. The groove 161, 161 'of the screw is formed on the inner circumferential surface of the expansion part 160, 160'. Gear groove (180) (180 ') is formed in the groove portion (161) (161') of the screw. Locking device for screwed joint pipe The method of claim 1 By using the physical properties of the synthetic resin, screwed joints (150, 150 ') is provided in the threaded portion 120, 120' of the cylindrical socket 100. Gear-type locking device 180, 180 'formed in the extension portions 160, 160' of the threaded joints 150, 150 'is stepped 135, 135' of the cylindrical socket 100 Lock device of a screw-type joint pipe, characterized in that the gear-type rock device (140) (140 ') formed on the top like a gear, can be fastened The method of claim 1. The gear teeth of the gear-shaped rock device 140, 140 'formed on the stepped 135, 135' and threaded 136, 136 'of the cylindrical socket 100 have a low one side and a high gear shape on one side. (

) Is a continuous shape, the gear-type locking device (180, 180) formed in the grooves (161, 161 ') of the expansion (160, 160') of the threaded joint (150, 150 '). Gear teeth on one side are low and one side is high (

) Is a continuous shape and when the gear type rock device (180, 180 ') is fastened to the gear type rock device (140, 140') as a gear, the screw joint (150, 150 ') Can be tightened in the direction of the screw. Locking device of screwed joint pipe, characterized in that it is not released

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