KR20170090085A - Pipe connection device - Google Patents

Pipe connection device Download PDF

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Publication number
KR20170090085A
KR20170090085A KR1020160010503A KR20160010503A KR20170090085A KR 20170090085 A KR20170090085 A KR 20170090085A KR 1020160010503 A KR1020160010503 A KR 1020160010503A KR 20160010503 A KR20160010503 A KR 20160010503A KR 20170090085 A KR20170090085 A KR 20170090085A
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KR
South Korea
Prior art keywords
ring
pipe
ring portion
tightening
nut
Prior art date
Application number
KR1020160010503A
Other languages
Korean (ko)
Inventor
김영우
Original Assignee
주식회사 신흥밸브
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 신흥밸브 filed Critical 주식회사 신흥밸브
Priority to KR1020160010503A priority Critical patent/KR20170090085A/en
Publication of KR20170090085A publication Critical patent/KR20170090085A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/24—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

The present invention relates to a pipe connection device. An objective of the present invention is to provide a pipe connection device which quickly assembles and connects a pipe and a pipe connection body by a tightening ring, and prevents a water leakage or a leakage between the pipe and the pipe connection body by firm and tight assembly. The pipe connection device comprises: a nut connector integrally coupled or integrated into a pipe connection body; a tightening ring inserted and installed into a center insertion hole of the nut connector, on which a pipe is connected and installed; a coupling nut coupled to screw threads of the nut connector to press one side of the tightening ring in a pipe direction; a first O-ring installed to be positioned between the tightening ring and the center insertion hole of the nut connector; and a second O-ring installed to be positioned in the tightening ring inserted into the pipe. The tightening ring comprises: an outer ring unit inserted into the center insertion hole of the nut connector; an inner ring unit which is formed in the outer ring unit to be separated from the outer ring unit to form a pipe insertion groove between the outer ring unit and the same, and has a second O-ring groove into which the second O-ring is inserted and installed; a ring connection unit integrally connecting the outer ring unit and the inner ring unit, and having a first O-ring groove into which the first O-ring is inserted and installed; and a center hole formed to penetrate the inner ring unit and the connection ring unit to transport a fluid.

Description

[0001] PIPE CONNECTION DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pipe connection apparatus, and more particularly, to a pipe connection apparatus which can fix a position of an O-ring by a tightening ring without a guide ring and a sleeve, and can connect a pipe and a pipe connection body simply and firmly.

In general, the piping work is a work to connect a pipe pipe manufactured to a certain length to a piping connector such as a water distributor, a valve, or a pipe so as to prevent leakage or leaking phenomenon in accordance with the installation environment. A connecting device for connecting the length of the pipe with the pipe connector is used.

In the conventional pipe connecting work, the pipe is cut at a right angle by a cutter to fit the length, and a sleeve conforming to the standard of the cut pipe is inserted into the pipe to maintain the circular shape of the pipe, The nut, the tightening ring, the guide ring, and the O-ring are fitted together, and then the pipe is inserted into the pipe connecting body to be inserted and the connecting nut is fastened to the pipe connecting body.

However, in the conventional piping connection work as described above, the piping is pressurized by the guide ring and the nut tightening to prevent the o-ring and o-ring from separating from the piping and to prevent the o- Ring and the sleeve to be inserted so as to maintain the circular shape of the cut pipe are all required to be connected to the pipe, the structure is complicated, the number of required parts is increased, the manufacturing cost is increased, and assembly and airtightness are poor .

In addition, there is a problem that the O-ring installed to maintain airtightness or watertightness is fitted to the outer surface of the pipe, so that the O-ring movement phenomenon occurs and the airtightness is lowered.

Published Patent Publication No. 10-2015-0070924 (June 25, 2015) Patent Registration No. 10-1507972 (Feb. Patent Registration No. 10-0915412 (2009.08.27) Public utility model publication public number 20-2011-0007371 (July 26, 2011)

It is an object of the present invention to provide a piping connection apparatus in which piping and piping connection members are quickly assembled and connected by tightening rings and leakage or leakage phenomenon does not occur between piping and piping connection members through rigid close assembly.

The present invention relates to a pipe connecting body, comprising: a nut connecting part formed integrally or integrally with a pipe connecting body; A tightening ring inserted into the central insertion hole of the nut connector and connected to the pipe; A tightening nut fastened to the thread of the nut connecting port to press one side of the tightening ring in the direction of the pipe; A second O-ring installed to be positioned between the center insertion hole of the nut connector and the tightening ring; And a first o-ring installed to be positioned between the tightening rings inserted into the pipe,

The tightening ring includes an outer ring portion to be inserted into the center insertion hole of the nut coupling hole and a first O-ring formed in the outer ring portion so as to form a pipe fitting groove between the outer ring portion and the outer ring portion, A connection ring portion formed integrally with the outer ring portion and the inner ring portion and formed with a second O-ring groove into which a second O-ring is inserted, and a second O-ring groove formed through the inner ring portion and the connection ring portion And a central hole for transferring the fluid.

According to the present invention, since the pipe and the pipe connector are connected by the tightening ring and the fastening nut, the pipe can be easily assembled and connected to the pipe connector, so that the assembling time can be shortened and the pipe can be disassembled from the pipe connector without cutting the pipe. In addition to being able to reuse parts.

In the present invention, when the fastening nut and the nut connecting port are fastened, a plurality of fastening pieces formed on the fastening ring press the outer circumferential surface of the pipe at the same time by the pressing slant surface of the fastening nut, so that the pipe is firmly coupled.

The present invention has many advantages such as preventing the flow and departure of the piping by the tightening ring, stably supporting the first and second O-rings, and preventing leakage or leakage due to misassembly during disassembly and assembly.

1 is an illustration showing a configuration according to the present invention;
FIG. 2 is an exemplary view showing a configuration of a tightening ring according to the present invention. FIG.

2 is a perspective view of a tightening ring according to the present invention, and FIG.

The pipe 500 and the pipe connector 400 can be tightly connected so that water tightness or airtightness can be maintained while preventing the O-ring from being separated by only the tightening ring 200 installed, without installing a separate sleeve and guide ring. .

That is, the present invention relates to a pipe connection apparatus for an automotive vehicle, which comprises a nut connection port 100 formed integrally or integrally with a pipe connection body 400, a tightening ring inserted into a central insertion hole 120 of a nut connection port, A coupling nut 300 which is fastened to the thread 110 of the nut connection port and presses one side of the tightening ring 200 in the direction of the pipe 500 and a central insertion hole 120 of the nut connection port and a tightening ring And a first O-ring (10) installed between the second O-ring (20) and the tightening ring (200) inserted into the pipe (500)

The tightening ring 200 has an outer ring portion 210 to be inserted into the center insertion hole 120 of the nut connecting portion and a pipe fitting groove 210 between the outer ring portion 210 and the outer ring portion 210, An inner ring portion 220 formed in the outer ring portion 210 and formed with a first O-ring groove 221 into which the first O-ring 10 is inserted, and an inner ring portion 220 formed with the outer ring portion 210 and the inner ring portion 220 And a second O-ring groove 232 into which a second O-ring 20 is inserted and which is formed so as to pass through the inner ring 220 and the coupling ring 230, And a center hole 250 for transferring the toner.

The nut connection port 100 is tightly connected to the pipe 500 by fastening with the fastening nut 300. A thread 110 for fastening the fastening nut 300 is formed on the outer surface of the pipe 500, And a center insertion hole 120 into which the base 200 is inserted.

The nut connector 100 may be separately formed to be connected to the piping connector 400 of a water distributor, a valve, a connection pipe, or the like, or may be formed integrally with the pipe connector 400, (400) is formed as a nut connector (100).

The connection pipe means a connection pipe such as an elbow L, a tee T, a U, and a Y to allow a pipe and a pipe to be connected at a predetermined angle. In addition, the type of the piping connector 400 is not particularly limited, and includes all piping connections.

The central insertion hole 120 of the nut connector 100 is formed to communicate with the fluid hole 410 of the pipe connector.

The tightening ring 200 has a function of preventing the pipe 500 from being separated by tightening the pipe 500 by pressing the tightening nut 300 and a function of preventing the pipe 500 from being separated from the pipe 500, A function of preventing the second O-ring 20 from being separated from the first O-ring 10 installed between the pipe connector 400 and the tightening ring 200, and a function of maintaining the circular shape of the pipe 500 when the pipe is connected do.

That is, the tightening ring 200 is coupled with the inner ring portion 220 to be inserted into the pipe 500 so that the circular shape of the pipe 500 is held, and the first O-ring 10 installed on the inner ring portion 220 Airtight or watertight is maintained between the pipe 500 and the inner ring portion 200. [

The tightening ring 200 may be formed by fitting the connecting ring portion 230 and the outer ring portion 210 into the center insertion hole 120 of the nut connecting portion so that the second o- Tightness or watertightness is maintained between the outer ring portion 210 and the nut connector 100 by the fastening portion 20.

One end of the outer ring portion 210 is pressed toward the pipe 500 by the tightening nut 300 fastened to the nut coupling port 100 so that the pipe 500 is connected to the inner ring portion 220 so as to prevent the pipe 500 from being detached from the inner ring portion 220.

The outer ring portion 210 has a plurality of fastening pieces 211 formed at one end thereof at regular intervals by a wedge-shaped cutout groove 213 having an inclined surface 212 tapered in the direction of the inner ring portion 220 And the other end is integrally connected to the connection ring portion 230.

Since the plurality of fastening pieces 211 are separated from each other by the cutout grooves 213, they have a certain elastic force. When the fastening nut 300 is fastened, the inclined surface 212 tapered by the fastening nut 300 So that the pipe 500 is brought into close contact with the inner ring portion 220.

The outer ring portion 210 is formed such that the outer surface 214 is in contact with the inner surface 121 of the center insertion hole of the nut coupling hole and the outer ring portion 210 is inserted into the center insertion hole 120.

The inner ring portion 220 is inserted into the pipe 500 to maintain the shape of the pipe 500. The inner ring portion 220 has a first O-ring groove 221 in which the first O-ring 10 is installed, A tapered portion 222 is formed to facilitate insertion into the connection ring portion 500, and the other end is integrally connected to the connection ring portion 230.

The connection ring portion 230 is integrally connected to the inner ring portion 220 and the outer ring portion 210 and includes a second O-ring groove (not shown) in which the second O-ring 20 is installed in the circumferential direction along the outer surface 231 232 are formed.

The connection ring portion 230 may be tapered so that the outer surface 231 is inclined at a predetermined angle from the second O-ring groove 232 to the outer surface 214 of the outer ring portion. The insertion of the tightening ring 200 into the center insertion hole 120 of the nut connector is facilitated and the detachment of the second O-ring 232 installed in the second O- Is essentially blocked.

The pipe fitting groove 240 is formed so that one side is opened so as to be positioned between the outer ring portion 210 and the inner ring portion 220 and the pipe 500 is inserted into the pipe fitting groove 240 through the open side. do. That is, the pipe fitting groove 240 corresponds to a spaced space between the outer ring portion 210 and the inner ring portion 220, and the other side is closed by the connecting ring portion 230.

The tightening ring 200 having the above-described structure is integrally formed with the outer ring portion 210, the inner ring portion 220 and the connection ring portion 230, and is connected to the inner ring portion 220 so as to be inserted into the pipe 500 The outer ring portion 210 protrudes from the ring portion 230 and protrudes from the coupling ring portion 230 so that the outer ring portion 210 can be inserted into the central insertion hole 120 of the nut coupling portion. The pipe 500 is inserted into the pipe fitting groove 240 located between the outer ring portion 210 and the inner ring portion 220.

The fastening nut 300 is fastened to the nut connecting port 100 and tightly connects the pipe 500. The fastening nut 300 has a thread 310 formed on one inner circumferential surface so as to be coupled to the thread 110 of the nut connecting port, On the other side inner peripheral surface, a pressing slope surface 320 capable of pressing the tightening piece 211 of the outer ring portion in the direction of the pipe 500 is formed.

The first O-ring 10 is disposed between the inner ring portion 220 and the pipe 500 so that when the tightening piece 211 of the outer ring portion is pressed by the pressing inclined surface 320 of the coupling nut, Thereby preventing leakage or leakage between the piping and the inner ring portion.

The second O-ring 20 is disposed between the coupling ring portion 230 and the center insertion hole 120 of the nut coupling port to prevent leakage or leaking between the outer ring portion 210 and the nut coupling hole 100 .

The first and second O-rings 10 and 20 are preferably made of a rubber or silicone material capable of being compressed and recovered

The first and second O-rings 10 and 20 are inserted into the first and second O-ring grooves 221 and 232 of the tightening ring, and then the connection ring portion 230 and the outer ring portion 210 of the tightening ring, The pipe 500 is inserted into the pipe fitting groove 240 of the tightening ring 200 so that the inner ring 220 of the tightening ring is inserted into the pipe 500. [ After inserting, tighten the screw part (310) of the tightening nut to the screw thread (110) of the nut connecting part.

When the coupling nut 300 starts to be fastened to the nut coupling hole 100, the coupling nut 300 is advanced toward the nut coupling hole 100 and the pressing slope 320 of the coupling nut 300 is inserted into the outer ring portion A plurality of tightening pieces 211 press the pipe 500 in the direction of the inner ring part 220 by such pressing so as to press the tapered inclined surface 212 of the tightening piece 211 formed on the inner ring part 220, The outer ring portion 210 of the tightening ring supports the outer circumferential surface of the pipe 500 and prevents the pipe 500 from moving and flowing from the inner ring portion 220.

The first O-ring 10 installed on the tightening ring 200 is pressed between the pipe 500 and the inner ring portion 220 and the second O-ring 20 is pressed between the outer ring portion 210 and the center insertion hole 210. [ Leakage or leakage is prevented between the pipe 500 and the inner ring portion 220 or between the outer ring portion 210 and the nut connecting portion 100. As a result,

Further, since the first and second O-rings 10 and 20 are further pressed by the tightening of the tightening nut 300 and the piping pressure of the tightening piece 211, leakage or leakage phenomenon is further prevented.

When the coupling nut 300 is fastened to the nut connector 100 in this manner, the pipe 500 is tightly brought into close contact with the inner ring portion 220 and the pipe fitting groove 240. Thus, the pipe 500 and the tightening ring 200 are firmly fastened to each other and the pipe 500 is not detached from the tightening ring 200 even if a strong external force is applied. That is, the pipe 500 is stably connected to the pipe connector 400.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

(100): nut connector (110): thread
(120): center insertion hole (121): inner surface
(200): tightening ring (210): outer ring portion
(211): tightening piece (212): tapered inclined surface
(213): incision groove (214): outer surface
(220): inner ring portion (221): first o-ring groove
(222): tapered portion (230): connecting ring portion
(231): outer surface (232): second o-ring groove
(240): pipe fitting groove (250): center hole
(300): fastening nut (310): thread
(320): Compression inclined surface (400): Piping connector
(410): Fluid hole (500): Piping

Claims (3)

A nut connector 100 formed integrally or integrally with the pipe connector 400,
A tightening ring 200 inserted into the central insertion hole 120 of the nut connecting port and connected to the pipe 500,
A fastening nut 300 fastened to the thread 110 of the nut connection port to press one side of the tightening ring 200 in the direction of the pipe 500,
A second O-ring 20 installed to be positioned between the center insertion hole 120 of the nut connector and the tightening ring 200,
And a first O-ring (10) installed to be positioned between the tightening rings (200) inserted into the pipe (500)
The tightening ring 200 has an outer ring portion 210 to be inserted into the center insertion hole 120 of the nut connecting portion and a pipe fitting groove 210 between the outer ring portion 210 and the outer ring portion 210, An inner ring portion 220 formed in the outer ring portion 210 and formed with a first O-ring groove 221 into which the first O-ring 10 is inserted, and an inner ring portion 220 formed with the outer ring portion 210 and the inner ring portion 220 And a second O-ring groove 232 into which a second O-ring 20 is inserted and which is formed so as to pass through the inner ring 220 and the coupling ring 230, And a center hole (250) for conveying the pipe (200).
The method of claim 1,
The outer ring portion 210 has a plurality of fastening pieces 211 formed at one end thereof at regular intervals by a wedge-shaped cutout groove 213 having an inclined surface 212 tapered in the direction of the inner ring portion 220 And the piping connection device.
The method of claim 1,
Wherein the connecting ring portion is tapered such that the outer surface is tilted at a predetermined angle from the second O-ring groove to the outer surface of the outer ring portion.
KR1020160010503A 2016-01-28 2016-01-28 Pipe connection device KR20170090085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160010503A KR20170090085A (en) 2016-01-28 2016-01-28 Pipe connection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160010503A KR20170090085A (en) 2016-01-28 2016-01-28 Pipe connection device

Publications (1)

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KR20170090085A true KR20170090085A (en) 2017-08-07

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109237187A (en) * 2018-10-25 2019-01-18 安庆市悦发管业有限公司 A kind of HDPE feed pipe Quick installer and attaching method thereof
KR20190136677A (en) 2018-05-31 2019-12-10 신영석 Pipes Containing Flexible Joint
KR20200002507A (en) 2018-06-29 2020-01-08 신영석 Expansion Joints With Shrinkage and Expansion Function
CN110762303A (en) * 2019-01-24 2020-02-07 中船第九设计研究院工程有限公司 PLC automatic control air compressor machine cooling water inlet pipe connects seal structure
KR200492191Y1 (en) 2020-02-27 2020-08-26 이충열 Tightness displaying type pipe connecting apparatus
CN111981223A (en) * 2020-08-25 2020-11-24 沈鑫光 Fluid pipeline connecting device
CN111981220A (en) * 2020-08-25 2020-11-24 沈鑫光 Device convenient for connecting fluid pipeline

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190136677A (en) 2018-05-31 2019-12-10 신영석 Pipes Containing Flexible Joint
KR20200002507A (en) 2018-06-29 2020-01-08 신영석 Expansion Joints With Shrinkage and Expansion Function
CN109237187A (en) * 2018-10-25 2019-01-18 安庆市悦发管业有限公司 A kind of HDPE feed pipe Quick installer and attaching method thereof
CN110762303A (en) * 2019-01-24 2020-02-07 中船第九设计研究院工程有限公司 PLC automatic control air compressor machine cooling water inlet pipe connects seal structure
CN110762303B (en) * 2019-01-24 2021-05-04 中船第九设计研究院工程有限公司 PLC automatic control air compressor machine cooling water inlet pipe connects seal structure
KR200492191Y1 (en) 2020-02-27 2020-08-26 이충열 Tightness displaying type pipe connecting apparatus
CN111981223A (en) * 2020-08-25 2020-11-24 沈鑫光 Fluid pipeline connecting device
CN111981220A (en) * 2020-08-25 2020-11-24 沈鑫光 Device convenient for connecting fluid pipeline

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