KR20150019500A - Anti-loosening apparatus for connecting a insertional pipe - Google Patents

Anti-loosening apparatus for connecting a insertional pipe Download PDF

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Publication number
KR20150019500A
KR20150019500A KR20130096480A KR20130096480A KR20150019500A KR 20150019500 A KR20150019500 A KR 20150019500A KR 20130096480 A KR20130096480 A KR 20130096480A KR 20130096480 A KR20130096480 A KR 20130096480A KR 20150019500 A KR20150019500 A KR 20150019500A
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KR
South Korea
Prior art keywords
hose
insert
fastening
fixing nut
pipe
Prior art date
Application number
KR20130096480A
Other languages
Korean (ko)
Inventor
박정은
야스아키 미우라
Original Assignee
박정은
야스아키 미우라
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Application filed by 박정은, 야스아키 미우라 filed Critical 박정은
Priority to KR20130096480A priority Critical patent/KR20150019500A/en
Publication of KR20150019500A publication Critical patent/KR20150019500A/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
    • F16L19/06—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
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/222—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the external piece comprising segments pressed against the hose by wedge shaped elements
    • 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
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/223—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

The hose includes a hose, a cylindrical body having a connecting portion to be inserted into the hose, a stepped portion having a diameter larger than that of the body, and a lower end to be inserted into the fitting body And a hose fixing nut for preventing the hose from being separated from the hose by forming a protrusion on an inner circumferential surface of the hose in a direction in which the hose is inserted. .

Description

[0001] The present invention relates to an anti-loosening apparatus for connecting an insertional pipe,

[0001] The present invention relates to a pipe connecting apparatus for preventing loosening, and more particularly, to a hose fixing member for fixing a hose when a hose is connected to a connecting member used in various fluid handling fields, To prevent loosening or loosening of the hose due to vibration or the like.

Generally, a hose is connected to a pipe by a connecting member formed of a metal material, which is connected to a pipe for feeding a liquid, a gas or a solid state fluid at a certain distance.

The hose connecting device is provided with a threaded portion at both ends of a connecting member formed so as to be able to connect the hose with another hose or pipe or the like, a clamping nut and a packing formed by a synthetic resin material are inserted into the hose, Has a structure in which a fitting portion is formed to fit the hose.

When a connecting member is fastened to a pipe for fluid transportation, fittings for fastening a pipe by a screw fastening method using a working tool such as a monkey, a screwdriver, and a spanner are mainly used.

 However, in such a conventional structure, when the connecting member is tightened to each pipe while rotating the connecting member in the screw direction and the connecting member is tightened to increase the coupling force, the hose connected to both sides of the connecting member is bent or pressed There is a problem that leakage occurs.

In addition, the degree of coupling between the connecting member and the hose is changed according to the skill of the operator, and the time required for the work is increased because the hose is closely contacted with the workpiece, and the cost increases due to an increase in the number of parts required for the fastening .

In addition, when the hose is tightened, the hose leaks, and the abrasion of the connecting member occurs, it is inconvenient to disassemble each of the connecting members integrally fastened.

In order to solve such a problem, an insertion type pipe connecting apparatus is disclosed in Korean Patent Publication No. 10-1195280.

The conventional insertion type pipe connection apparatus is capable of freely rotating the fastening end 12 of the insert 10 along the fastening groove 33 formed in the clamp 30 by the insertion type pipe fastening system using a clamp, Leakage can be prevented.

In addition, the insert 10 and the O-ring 16 are inserted into the connecting member and are connected to each other. Then, the clamp 30, which is easily fastened, is attached to reduce the number of parts required for fastening.

However, the above-described conventional insertion type pipe connection apparatus is not limited to the above-

Figure pat00001
The band 2 of the band 2 is inserted to press the protruding portion 2a of the band 2 from both sides to fix the hose 1 so as not to flow.

If the band 2 is not sufficiently pressurized, the band pressurizing system can not fix the hose 1 and the connecting portion 13 tightly. If the band 2 is not sufficiently pressurized, There is a problem that the hose 1 is rotated together.

Further, after the hose 1 is fastened, a post-process is required, so that the workability is not easy.

Korean Patent Registration No. 10-1195280

SUMMARY OF THE INVENTION An object of the present invention is to provide a piping connection device for preventing loosening and loosening of hoses and connecting members due to vibration and external pressure.

Another object of the present invention is to provide a piping connection apparatus for preventing loosening, which reduces the number of parts required for fastening and facilitates standardization of work.

According to an aspect of the present invention, there is provided a pipe connection apparatus for preventing loosening, the pipe connection apparatus comprising: a hose; a cylindrical body having one end connected to the hose; And a hollow portion is formed inside the insert so that the insert can be inserted. A protrusion is formed on the inner circumferential surface in the direction in which the hose enters, so that the hose is prevented from being separated from the hose. And a hose fixing nut for fixing the hose.

In the pipe connection apparatus for unlocking according to an embodiment of the present invention, the hose fixing nut is characterized in that a plurality of projections are continuously provided.

In the pipe connection apparatus for preventing loosening according to an embodiment of the present invention, four protrusions are provided, and the protrusions are formed in a triangular shape in which the diameter gradually decreases along the inner circumferential surface in a vertically symmetrical manner.

In the pipe connection apparatus for preventing loosening according to an embodiment of the present invention, when the hose is fastened in the fastening direction by forming a slitter in one direction, the rotation is easy and the rotation in the reverse direction is controlled. Prevention piping connection.

In the pipe connection apparatus for preventing loosening according to an embodiment of the present invention, an O-ring is provided between an outer circumferential surface of the step portion and an outer circumferential surface of the step portion and an inner circumferential surface of the hose fixing nut adjacent thereto.

According to the piping connection apparatus for preventing loosening according to the present invention as described above, the hose fixing nut for fixing the hose is separately provided to prevent loosening and loosening of the hose due to vibration or the like, and preventing the hose from rotating together There is an effect that can be done.

In addition, the number of parts required for fastening is reduced, and there is no need for a post-process after the hose fastening, so that the workability is easy.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall exploded perspective view showing a configuration of a conventional connecting device for an insertion type pipe; FIG.
FIG. 2 is an exploded perspective view of a pipe connecting apparatus for preventing loosening according to the present invention. FIG.
3 is a partial cross-sectional view showing a coupled state of the unclamping pipe connecting apparatus according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. Like reference symbols in the drawings denote like elements.

FIG. 1 is a perspective view of a conventional connecting device for an insertion type pipe, FIG. 2 is an exploded perspective view showing a configuration of a pipe connecting device for preventing unlocking according to the present invention, and FIG. 3 is a cross- Fig.

2, the unclamping pipe connecting apparatus includes a hose 10, an insert 100 inserted into one end of the hose 10, and a hose 10 which is rigid in the direction of the insert 100 A fitting body 200 for supporting the other end of the insert 100 and a clamp 110 fastened to the joint between the insert 100 and the fitting body 200, .

The hose 10 is formed in a cylindrical shape having a hollow portion formed therein. The hose 10 is mounted on the insert 100 to be described below, and supplies the fluid to a required portion.

The insert 100 is formed cylindrically as shown in FIG. 1, and a step 101 is formed at a central portion thereof with a diameter larger than the diameter of the cylinder of the insert 100. The stepped portion 101 serves to support one end of the hose 10 to prevent the hose 10 from entering the insert 100 when the hose 10 is inserted in the direction of the insert 100.

On the outer peripheral surface of the step portion 101, a fastening end 102 is formed with a diameter larger than that of the step portion 101. A clamp 110, which will be described below, is fastened to the fastening end 102.

A connecting portion 103 is formed at one end of the stepped portion 101. The connecting portion 103 is configured to be inserted into the hose 10.

The connection portion 103 may further include a tapered fastening protrusion 103 'formed to be stepped at a diameter larger than that of the connection portion 103. The tapered fastening protrusion 103 'prevents leakage of the insert 100 between the connection portion 103 and the gap between the hose 10 when the insert 100 is inserted into the hose 10.

The fastening portion 104 is formed at the other end of the step portion 101. [ The coupling part 104 is inserted into the fitting body 200 to be described below, and serves to transmit the fluid.

An O-ring groove 105 may be further formed on the outer circumferential surface of the coupling part 104. The O-ring 106 is inserted into the O-ring groove 105 and the O-ring 106 is closely contacted with the inner wall of the fitting body 200 to prevent water leakage.

In the present invention, a hose fixing nut 20 may be provided to reinforce the coupling between the hose 10 and the insert 100. The hose fixing nut 20 has a cylindrical shape in which a hollow portion is formed so that one end of the insert 100 can be inserted.

The hose fixing nut 20 has a plurality of protrusions 21 formed on an inner circumferential surface at one end in the direction in which the hose 10 enters. The protrusions 21 may be formed continuously at regular intervals. For example, the four protrusions 21 are formed in a triangular shape in which the diameter is gradually narrowed along the inner peripheral surface in a vertically symmetrical manner.

When the hose 10 is fastened toward the insert 100, the direction of rotation of the hose 10 is slid with respect to the contact surface of the hose 10 and smoothly rotated And the tightening reverse rotation controls the rotation of the hose 10 due to the engagement of the slit.

The shape of the protrusion 21 can be changed in various ways according to the size and type of the hose and serves to prevent the hose 10 from flowing together due to external pressure or vibration.

An O-ring (22) is provided between the insert (100) and the hose fixing nut (20). The O-ring 22 is positioned between the outer peripheral surface of the stepped portion of the insert 100 and the inner peripheral surface of the hose fixing nut 20 adjacent to the outer peripheral surface of the stepped portion. The O-ring 22 tightly fixes the insert 100 and the hose fixing nut 20 to prevent friction between the insert 100 and the hose fixing nut 20, and to prevent water leakage.

The fitting body 200 is provided at the other end of the insert 100. The fitting body 200 is formed in a cylindrical shape and a fastening bolt 201 is formed at a central portion thereof with a diameter larger than that of the cylindrical body.

At one end of the fastening bolt 201, a connecting portion 202 having a shape corresponding to the fastening end 102 is formed. The connecting portion 202 is engaged with the fastening end 102 and fixed by a clamp 110 described below.

At the other end of the fastening bolt 201, a thread 203 is formed and connected to the external fluid supply unit.

A clamp 110 is provided at a junction between the insert 100 and the fitting body 200. The clamp 110 '

Figure pat00002
Shaped support portion 111 and a semicircular bent portion 112 on both sides of the support end 111. The support portion 111 has a substantially U-shape. The bent portion 112 is formed to correspond to the outer diameter of the step portion 101.

The bending portion 112 is formed with a coupling groove 113. The fastening end 102 and the connecting portion 202 are inserted into the fastening groove 113. The coupling groove 113 serves to guide the coupling end 102 to rotate along the formed groove without separating the coupling portion 202 and the coupling end 102 from each other.

At both ends of the bent portion 112, guide protrusions 114 may be further provided. The guide protrusion 114 is bent outwardly in a direction opposite to the bent portion 112 to facilitate fastening of the clamp 110.

Hereinafter, the operation of the pipe connection preventing apparatus according to the preferred embodiment of the present invention will be described with reference to FIGS. 2 to 3. FIG.

A hose 10 for guiding the fluid to a desired position is provided. The hose 10 may be made of a flexible synthetic resin material to withstand high temperatures and high pressures.

A connecting portion 103 of the insert 100 is inserted into a connecting portion of the hose 10, that is, an end portion thereof. A tapered fastening protrusion 103 'formed in a stepped shape is formed in the connection part 103 and fastened tightly to the hose 10.

Therefore, leakage of the fluid supplied from the hose 10 is prevented.

A stepped portion 101 serves as a support in the center of the insert 100 to prevent the hose 10 from entering the insert 100 for a predetermined length or more when the insert 100 is inserted outside the insert 100.

The insert 100 is fastened to the hose fixing nut 20. The insert 100 and the hose fixing nut 20 can be changed in various designs such as a screw fastening method or a fitting method. The hose 10 is inserted into the hollow portion of the hose fixing nut 20 which has been fastened in the fastening direction.

The protrusion 21 formed on the hose fixing nut 20 has a smooth curved line at one side of the contact surface for fastening the hose 10 to facilitate the rotation of the hose 10 and the other side forms a sharp slit Thereby controlling the reverse rotation of the hose 10.

An O-ring 106 is inserted into the O-ring groove 105 formed in the coupling part 104 of the insert 100 and the coupling part 104 is inserted into the fitting body 200. That is, the coupling portion 104 is inserted toward the fitting body 200 so that the coupling end 102 protruding from the step portion 101 and the coupling portion 202 of the fitting body 200 are in close contact with each other.

Finally, when the clamping end 102 and the clamp 110 having an elastic force are fastened to the outside of the connecting portion 202, the connecting device for an insertion type pipe of the present invention is completed. Desorption can be carried out in reverse order.

It is to be understood that the invention is not limited to the disclosed embodiment, but is capable of many modifications and variations within the scope of the appended claims. It is self-evident.

10. Hose 20. Band
21. Protrusions 22,106. O-ring
100. Insert 101. Step
102 Fastener 103. Connection
103 ', 103''. Tapered fastening protrusion 104. Fastening portion
105. O-ring groove 110. Clamp
111. Support end 112. Bend
113. Fastening groove 114. Guide projection
200. Fitting body 201. Fastening bolt
202. Communication part 203. Thread

Claims (5)

A hose;
An insert having a cylindrical body formed with a connecting portion to be inserted into the hose, a central stepped portion having a diameter larger than that of the body, and a second end coupled to the fitting body;
And a hose fixing nut for preventing the hose from being detached by forming a protrusion on an inner circumferential surface of the hose in a direction in which the hose is inserted so that the insert can be inserted therein. Device. The method according to claim 1,
Wherein the hose fixing nut is provided with a plurality of protrusions continuously. 3. The method according to any one of claims 1 to 2,
Wherein the protrusions are formed in a shape of a triangle having four protrusions and gradually narrowing in diameter along the inner circumferential surface in a vertically symmetrical manner. The method according to claim 1,
Wherein the projection has a slitter formed in one direction, and when the hose is fastened in the fastening direction, rotation is easy and the rotation in the reverse direction of the fastening is controlled. The method according to claim 1,
Wherein an O-ring is provided between an outer peripheral surface of the step portion and an inner peripheral surface of the hose fixing nut adjacent to the outer peripheral surface of the step portion.

KR20130096480A 2013-08-14 2013-08-14 Anti-loosening apparatus for connecting a insertional pipe KR20150019500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130096480A KR20150019500A (en) 2013-08-14 2013-08-14 Anti-loosening apparatus for connecting a insertional pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130096480A KR20150019500A (en) 2013-08-14 2013-08-14 Anti-loosening apparatus for connecting a insertional pipe

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190108631A (en) * 2017-03-20 2019-09-24 김병국 Assembly of flexible tube and fitting body and its assembly method
KR20220069459A (en) 2020-11-20 2022-05-27 (주)광주금형 Pipe joint drvice
KR20230085414A (en) 2021-12-07 2023-06-14 (주)광주금형 Fitting assembly for pipe connection
KR20240055332A (en) 2022-10-20 2024-04-29 (주)광주금형 Tube fitting assembly for pipe connection

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190108631A (en) * 2017-03-20 2019-09-24 김병국 Assembly of flexible tube and fitting body and its assembly method
KR20220069459A (en) 2020-11-20 2022-05-27 (주)광주금형 Pipe joint drvice
KR20230085414A (en) 2021-12-07 2023-06-14 (주)광주금형 Fitting assembly for pipe connection
KR20240055332A (en) 2022-10-20 2024-04-29 (주)광주금형 Tube fitting assembly for pipe connection

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