KR101788072B1 - Tube fitting apparatus - Google Patents

Tube fitting apparatus Download PDF

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Publication number
KR101788072B1
KR101788072B1 KR1020150138702A KR20150138702A KR101788072B1 KR 101788072 B1 KR101788072 B1 KR 101788072B1 KR 1020150138702 A KR1020150138702 A KR 1020150138702A KR 20150138702 A KR20150138702 A KR 20150138702A KR 101788072 B1 KR101788072 B1 KR 101788072B1
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KR
South Korea
Prior art keywords
fitting
circumferential surface
conduit
ring assembly
inner circumferential
Prior art date
Application number
KR1020150138702A
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Korean (ko)
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KR20170039493A (en
Inventor
김성훈
Original Assignee
김성훈
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Priority to KR1020150138702A priority Critical patent/KR101788072B1/en
Publication of KR20170039493A publication Critical patent/KR20170039493A/en
Application granted granted Critical
Publication of KR101788072B1 publication Critical patent/KR101788072B1/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
    • F16L19/08—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 with metal rings which bite into the wall of 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
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0925—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a water treatment apparatus, comprising: a fitting water port coupled to an outer circumferential surface of a conduit; A fitting port coupled to an outer circumferential surface of the conduit and coupled with an end inner circumferential surface of the fitting water port; A fitting ring assembly in which one end edge is engaged with the inner circumferential surface of the end portion of the fitting sleeve and the other end edge is engaged with one side of the inner circumferential surface of the fitting water port and the inner circumferential surface faces the outer circumferential surface of the conduit; And a plurality of fitting assemblies formed along the inner circumferential surface of the fitting ring assembly and tightly fixed to an outer circumferential surface of the conduit, and a fitting assembly for holding the fitting cigarette together with the fitting ring assembly, The present invention relates to a tube fitting apparatus capable of quickly and reliably fitting fittings such as pipes and tubes into a relatively simple structure.

Description

[0001] TUBE FITTING APPARATUS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tube fitting device, and more particularly, to a tube fitting device that can quickly and reliably make fittings such as pipes and tubes with a relatively simple structure.

Conventional tube fittings are manufactured in such a way that a through hole is formed in the interior of the tube so as to connect between the tube and the tube where the fluid flow is generated, and is tightened with an interference fit or nut.

However, the risk of leakage between the tube and the tube is the greatest problem, especially in industrial facilities dealing with hazardous materials, which can lead to major accidents, requiring strict management and construction procedures.

In view of the above-described viewpoints, the "tube fitting structure" of Patent No. 10-0987333, the "tube fitting structure capable of confirming the tightening amount" of Patent No. 10-0987334, and the tube fitting structure of Patent No. 10-198433, A tube fitting structure ", a" fitting for a metal pipe and a pipe "of Patent Document 10-2006-0125784, a" ferrule assembly for a conduit fitting "of Patent Publication No. 10-2011-0097940, and the like.

However, all of the above-described prior arts have a problem in that the number of parts required for assembling and fastening is large, and it takes a long time to assemble and fasten, and it is difficult for an operator to intuitively grasp and assemble and fasten.

Registration No. 10-0987333 Patent No. 10-0987334 Patent No. 10-1196433 Published Patent No. 10-2006-0125784 Published patent application No. 10-2011-0097940

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a tube fitting apparatus which can quickly and reliably make fittings such as pipes and tubes with a relatively simple structure.

According to an aspect of the present invention, A fitting port coupled to an outer circumferential surface of the conduit and coupled with an end inner circumferential surface of the fitting water port; A fitting ring assembly in which one end edge is engaged with the inner circumferential surface of the end portion of the fitting sleeve and the other end edge is engaged with one side of the inner circumferential surface of the fitting water port and the inner circumferential surface faces the outer circumferential surface of the conduit; And a plurality of fitting assemblies formed along the inner circumferential surface of the fitting ring assembly and tightly fixed to an outer circumferential surface of the conduit, and a fitting assembly for holding the fitting cigarette together with the fitting ring assembly, The tube fitting device according to the present invention can be provided.

The fitting assembly is disposed at regular intervals along the inner circumferential surface of the fitting ring assembly.

In this case, the fastening assembly is radially disposed along the inner circumferential surface of the fitting ring assembly.

One end of the tightening assembly is rotatable with respect to the inner circumferential surface of the fitting ring assembly, and the other end of each of the tightening assemblies is closely fixed to the outer circumferential surface of the conduit.

The fitting ring assembly includes a first coupling piece having an arcuate shape and an inner side surface facing the outer peripheral surface of the conduit, one end portion of the fitting ring being rotatably engaged with one end of the first coupling piece to form an arc, And a second engaging piece which is detachably engaged with the other end of the first engaging piece and whose inner side faces an outer circumferential surface of the conduit and forms a generally circular ring shape together with the first engaging piece, And the inner surface of each of the first and second engaging pieces form an inner circumferential surface of the fitting ring assembly as a whole, and the tightening assembly is formed along an inner surface of each of the first engaging piece and the second engaging piece .

The fitting assembly includes a plurality of pivotal pieces disposed along the inner circumferential surface of the fitting ring assembly and having one end rotatably coupled to the fitting ring assembly, and a fitting hole formed at the other end of the pivotal member, And a spike that is inserted into and fixed to the outer circumferential surface of the conduit.

The tube fitting device includes a first stepped portion that is recessed from one end edge of the fitting ring assembly toward the other end edge side of the fitting ring assembly and faces an outer circumferential surface of the conduit, And a second step portion that is recessed from an edge of the fitting ring assembly toward an edge side of the fitting ring assembly and faces an outer circumferential surface of the conduit, wherein the first step portion and the second step portion have a plurality And one end of the pivoting member is accommodated and pivotally coupled to the first and second stepped portions, respectively.

The tube fitting device is disposed between the pivotal piece and the first step portion and the second step portion and pushes the other end portion of the pivotal member in a direction away from the inner circumferential surface of the fitting ring assembly, And a contact piece made of an elastic material for generating a force to come into close contact with the contact piece.

In addition, the tube fitting device may be elastically deformed and is embedded in the close contact piece. When the pivotal piece is tightly fixed to the conduit, the pivotal piece is moved from the first step portion and the second step portion to the conduit side And biasing means for continuously generating a pushing force.

According to the present invention having the above-described configuration, the following effects can be achieved.

The fitting ring assembly includes a fitting ring assembly that faces the outer circumferential surface of the conduit between the fitting port and the fitting port, and a fitting assembly formed in the fitting ring assembly, And the like can be performed quickly and reliably.

Particularly, the number of parts required for assembling and fastening is large in the present invention, and the number of parts is drastically reduced as compared with a complicated prior art, so that fittings such as pipes and tubes can be intuitively grasped by the fitting ring assembly and the close- It is useful in that it can be easily carried out.

In addition, the present invention provides a fitting assembly that is rotatably coupled in a plurality of rotations along the inner circumferential surfaces of both end portions of a fitting ring assembly, as compared with the prior art in which coupling is not possible without considering directionality in assembly and fastening. It is very useful in that it is inserted into the space between the water inlet and the fitting shovel and the fastening and assembling is completed only by fastening the fitting shovel to the fitting shoe so that the convenience of the operation is greatly improved.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional schematic view showing the overall coupling relationship of a tube fitting apparatus according to an embodiment of the present invention; Fig.
FIG. 2 is a conceptual view showing a structure of a fitting ring assembly, which is a main part of the present invention,
FIG. 3 is a partial cross-sectional conceptual view showing, in an enlarged scale, a periphery of a fitting portion of a fitting ring assembly and a tight fitting assembly, which are main parts of a tube fitting device according to an embodiment of the present invention.
Figs. 4 to 6 are diagrams showing the enlargement concept of section B of Fig. 3

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings.

However, the present invention is not limited to the embodiments described below, but may be embodied in various other forms.

The present embodiments are provided so that the disclosure of the present invention is thoroughly disclosed and that those skilled in the art will fully understand the scope of the present invention.

And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

In addition, throughout the specification, like reference numerals refer to like elements, and the terms (mentioned) used herein are intended to illustrate the embodiments and not to limit the invention.

In this specification, the singular forms include plural forms unless the context clearly dictates otherwise, and the constituents and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other constituents and actions .

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs.

Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a schematic cross-sectional view illustrating an overall coupling relationship of a tube fitting apparatus according to an embodiment of the present invention.

FIG. 2 is a conceptual view showing the structure of the fitting ring assembly 300, which is a principal part of the present invention as viewed from point A of FIG.

3 is an enlarged partial cross-sectional view showing the vicinity of the coupling portion between the fitting ring assembly 300 and the close fit assembly 500, which are the main parts of the tube fitting apparatus according to an embodiment of the present invention.

4 to 6 are conceptual views showing the enlargement of the portion B in Fig.

It can be understood that the present invention is a structure including the fitting mouthpiece 100, the fitting spout 200, the fitting ring assembly 300, and the sealing assembly 500, as shown in FIG.

The fitting port 100 is coupled to the outer circumferential surface of the conduit 400. The fitting port 200 is coupled to the outer circumferential surface of the conduit 400 and includes a first thread 110 formed along the inner circumferential surface of the fitting port 100 A second thread 210 is formed on the outer circumferential surface of the end portion.

One end of the fitting ring assembly 300 is engaged with the inner circumferential surface of the end of the fitting hole 200 and the other end of the fitting ring 300 is engaged with one side of the inner circumferential surface of the fitting hole 100, Face to face with the outer circumference.

The fitting assembly 500 is formed in a plurality of along the inner circumferential surface of the fitting ring assembly 300 and is tightly fixed to the outer circumferential surface of the conduit 400 and is fitted with the fitting ring assembly 300 together with the fitting port 100 and the fitting port 200 are fitted to the conduit 400. [0052]

The fitting ring assembly 300 includes a fitting ring assembly 300 that faces the outer circumferential surface of the conduit 400 between the fitting port 100 and the fitting hole 200, 500 can be fastened and fixed to the outer circumferential surface of the conduit 400 with a relatively simple structure.

Particularly, according to the present invention, the number of parts required for assembling and fastening is large, and the number of parts is remarkably reduced compared with a complicated prior art. Therefore, fitting of the conduit 400 can be performed by the fitting ring assembly 300 and the close- So that it can be intuitively grasped and easily carried out.

The present invention can be applied to the embodiments described above, and it goes without saying that the following various embodiments can be applied.

The fitting assemblies 500 may be equally spaced along the inner circumferential surface of the fitting ring assembly 300 or radially disposed along the inner circumferential surface of the fitting ring assembly 300.

The fitting assembly 500 can be manufactured such that one end of the fitting assembly 500 is rotatable with respect to the inner circumferential surface of the fitting ring assembly 300 so that the fitting assembly 500 can be held firmly and tightly fixed to the outer circumferential surface of the conduit 400.

Meanwhile, the fitting ring assembly 300 may be provided with a structure including the first engagement piece 310 and the second engagement piece 320 as shown in FIG.

The first coupling piece 310 has an arcuate shape and an inner surface of the first coupling piece 310 faces an outer peripheral surface of the conduit 400.

One end of the second coupling piece 320 is connected to one end of the first coupling piece 310 so as to be rotatable and has an arc shape and the other end of the second coupling piece 320 is detachably coupled to the other end of the first coupling piece 310, The inner side faces the outer circumferential surface of the conduit 400 and forms a circular ring as a whole together with the first engaging piece 310. [

The inner surface of each of the first and second coupling pieces 310 and 320 forms an inner circumferential surface of the fitting ring assembly 300 as a whole and the fitting assembly 500 includes the first coupling piece 310 and the second coupling piece 320, 2 engaging pieces 320 of the first embodiment.

3, a plurality of fitting assemblies 500 are disposed along the inner circumferential surface of the fitting ring assembly 300, and include a pair of pivoting pieces 510, And a spike 520 which is formed at the other end of the conduit 400 and which is tightly fixed to the outer circumferential surface of the conduit 400 as the fitting spout 200 is coupled to the conduit.

It is preferable that the present invention further includes the first and second stepped portions 301 and 302 so that the fitting assembly 500 can be made compact on the fitting structure of the fitting ring assembly 300 as described above.

The first stepped portion 301 is recessed from the one end edge of the fitting ring assembly 300 toward the other end edge side of the fitting ring assembly 300 to face the outer circumferential surface of the conduit 400.

The second stepped portion 302 is recessed from the other end edge of the fitting ring assembly 300 toward the edge side of the fitting ring assembly 300 to face the outer peripheral surface of the conduit 400.

The first step portion 301 and the second step portion 302 are disposed along the inner circumferential surface of the fitting ring assembly 300 (see FIG. 2) And is rotatably coupled to the second step portion 301 and the second step portion 302, respectively.

The fitting ring assembly 300 is fitted to the fastening slope 220 which is inclined inwardly from the end edge of the fitting hole 200 as the fitting hole 200 is screwed into the fitting hole 100, The inner circumferential surface of the fitting ring assembly 300 comes close to the outer circumferential surface of the conduit 400 as one end edge of the first engaging piece 310 or the second engaging piece 320 is pushed into engagement.

At the same time, the spike 520 formed at the other end portion of the pivoting piece 510 pivotally coupled to the first step portion 301 and the second step portion 302 tightens the outer peripheral surface of the conduit 400 .

3, the rotating piece 510 is disposed between the first step portion 301 and the second step portion 302, and the other end of the rotating piece 510 is connected to the fitting ring assembly 300 And a pressing member 600 made of an elastic material that pushes the spike 520 in a direction away from the inner circumferential surface of the conduit 400 and generates a force to cause the spike 520 to collide with the outer circumferential surface of the conduit 400 and to be closely attached thereto.

4 to 6, the present invention can be embodied in the contact piece 600 while permitting elastic deformation, and in the state where the turn piece 510 is tightly fixed to the conduit 400, It is preferable to further include a biasing means 700 for continuously generating a pushing force from the first step portion 301 and the second step portion 302 toward the conduit 400 side.

That is, the biasing means 700 compensates for the weakening of the elastic force of the contact piece 600 over a long period of time, and the spike 520 of the contact assembly 500 is inserted into the outer peripheral surface of the conduit 400, It is provided to continuously operate the force to keep the state stronger.

First, the biasing means 700 can be applied to the embodiment including the first and second elastic pieces 710 and 720 as shown in FIG.

The first elastic pieces 710 are arranged such that the first end portions 711 and 712 are disposed on the first step portion 301 and the second step portion 302 side and the first intermediate portion 715 is disposed on the side of the rotating piece 510 And is formed in a convex circular arc shape toward the side of the plate spring.

The second elastic piece 720 has the second end portions 721 and 722 disposed on the side of the pivotal piece 510 and the second intermediate portion 725 disposed on the side of the first stepped portion 301 and the second stepped portion 302 And the second intermediate portion 725 is a kind of a leaf spring which is disposed in contact with the first intermediate portion 715. In this case,

5, the biasing means 700 may be applied to an embodiment including the third and fourth elastic pieces 730 and 740. [

The third elastic piece 730 has third end portions 731 and 732 disposed toward the rotating piece 510 side and third intermediate portion 735 is disposed toward the first step portion 301 and the second step portion 302) side in a convex circular arc shape.

The fourth elastic piece 740 has the fourth both ends 741 and 742 disposed toward the first stepped portion 301 and the second stepped portion 302 side and the fourth intermediate portion 745 is disposed toward the rotating piece 510 and the fourth both ends 741, 742 are the same as the leaf springs which are disposed in contact with the third both ends 731, 732.

6, the biasing means 700 is disposed such that one end thereof faces toward the first stepped portion 301 and the second stepped portion 302 side respectively and the other end faces toward the rotating piece 510 side The present invention is not limited thereto.

As described above, it is understood that the present invention is based on a technical idea to provide a tube fitting device that can quickly and reliably make fittings such as pipes and tubes with a relatively simple structure.

It will be apparent to those skilled in the art that many other modifications and applications are possible within the scope of the basic technical idea of the present invention.

100 ... fitting water ball
110 ... first thread
200 ... Fitting shovel
210 ... second thread
220 ... fastening slope
300 ... fitting ring assembly
301 ... first step
302 ... second step
310 ... first engaging piece
320 ... second coupling piece
400 ... conduit
500 ... close fitting assembly
510 ... rotation
520 ... Spike
600 ... close contact
700 ... biasing means
710 ... first elastic piece
711, 712 ... First end
715 ... first intermediate portion
720 ... second elastic piece
721, 722 ... the second both ends
725 ... second intermediate portion
730 ... third elastic piece
731, 732 ... Third end
735 ... third middle section
740 ... fourth elastic piece
741, 742 ... Fourth both ends
745 ... fourth middle section
750 ... coil spring

Claims (9)

A fitting water port coupled to the outer circumferential surface of the conduit;
A fitting port coupled to an outer circumferential surface of the conduit and coupled with an end inner circumferential surface of the fitting water port;
A fitting ring assembly in which one end edge is engaged with the inner circumferential surface of the end portion of the fitting sleeve and the other end edge is engaged with one side of the inner circumferential surface of the fitting water port and the inner circumferential surface faces the outer circumferential surface of the conduit; And
And a plurality of fitting assemblies formed along the inner circumferential surface of the fitting ring assembly and closely fitted to the outer circumferential surface of the conduit to hold the fitting cigarette together with the fitting ring assembly and the fitting cigarette being fitted to the conduit,
Wherein one end of the tight fitting assembly is rotatable with respect to an inner circumferential surface of the fitting ring assembly and the other end of each of the tight fitting assemblies is tightly fixed to the outer circumferential surface of the conduit.
The method according to claim 1,
Wherein the fitting assembly is disposed at regular intervals along the inner circumferential surface of the fitting ring assembly.
The method according to claim 1,
Wherein the tight fitting assembly is radially disposed along the inner circumferential surface of the fitting ring assembly.
delete The method according to claim 1,
Wherein the fitting ring assembly comprises:
A first engagement piece having an arc shape and an inner side surface facing the outer peripheral surface of the conduit,
One end of the first coupling member is rotatably coupled to one end of the first coupling member so as to have an arcuate shape and the other end of the first coupling member is detachably coupled to the other end of the first coupling member and the inner surface faces the outer peripheral surface of the conduit, And a second engagement piece forming a generally circular ring shape together with the flap,
Wherein an inner surface of each of the first engaging piece and the second engaging piece forms an inner peripheral surface of the fitting ring assembly as a whole,
Wherein the tight fitting assembly is formed along an inner surface of each of the first engaging piece and the second engaging piece.
The method according to claim 1,
Wherein the close-
A plurality of pivotal pieces disposed along the inner circumferential surface of the fitting ring assembly,
And a spike formed at the other end of the pivoting member and fixed to the outer circumferential surface of the conduit as the fitting port is coupled to the fitting port.
The method of claim 6,
Wherein the tube fitting device comprises:
A first stepped portion that is recessed from the one end edge of the fitting ring assembly toward the other end edge side of the fitting ring assembly and faces the outer circumferential surface of the conduit,
Further comprising a second stepped portion that is recessed from the other end edge of the fitting ring assembly toward one edge side of the fitting ring assembly and faces an outer circumferential surface of the conduit,
The first step portion and the second step portion are arranged in plural in the inner peripheral surface of the fitting ring assembly,
And one end of the pivoting member is received and rotatably coupled to the first step and the second stepped part, respectively.
The method of claim 7,
Wherein the tube fitting device comprises:
An elastic member that is disposed between the pivotal piece and the first step portion and the second step portion and pushes the other end portion of the pivotal member in a direction away from the inner circumferential surface of the fitting ring assembly, And a tight fitting piece made of a material.
The method of claim 8,
Wherein the tube fitting device comprises:
Wherein the elastic member is elastically deformed and is embedded in the close contact piece and continuously generates a force for pushing the pivotal piece from the first step portion and the second step portion toward the conduit side while the pivotal piece is tightly fixed to the conduit Further comprising a biasing means.
KR1020150138702A 2015-10-01 2015-10-01 Tube fitting apparatus KR101788072B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150138702A KR101788072B1 (en) 2015-10-01 2015-10-01 Tube fitting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150138702A KR101788072B1 (en) 2015-10-01 2015-10-01 Tube fitting apparatus

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KR20170039493A KR20170039493A (en) 2017-04-11
KR101788072B1 true KR101788072B1 (en) 2017-10-19

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004286345A1 (en) 2003-11-03 2005-05-12 Swagelok Company Fitting for metal pipe and tubing
KR102048647B1 (en) 2008-12-10 2019-11-25 스와겔로크 컴패니 Ferrule assembly for conduit fitting
KR100987333B1 (en) 2010-02-11 2010-10-12 주식회사 비엠티 Tube fitting structure
KR100987334B1 (en) 2010-02-11 2010-10-12 주식회사 비엠티 Tube fitting structure which is possible to check the tightening amount
KR101196433B1 (en) 2012-01-30 2012-11-01 주식회사 비엠티 Tube fitting structure

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