KR101296670B1 - One touch fitting for pipe connection - Google Patents

One touch fitting for pipe connection Download PDF

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Publication number
KR101296670B1
KR101296670B1 KR1020110065967A KR20110065967A KR101296670B1 KR 101296670 B1 KR101296670 B1 KR 101296670B1 KR 1020110065967 A KR1020110065967 A KR 1020110065967A KR 20110065967 A KR20110065967 A KR 20110065967A KR 101296670 B1 KR101296670 B1 KR 101296670B1
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KR
South Korea
Prior art keywords
portion
pipe
sleeve
end
installed
Prior art date
Application number
KR1020110065967A
Other languages
Korean (ko)
Other versions
KR20130004728A (en
Inventor
송호찬
박범규
Original Assignee
현대로템 주식회사
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.)
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Application filed by 현대로템 주식회사 filed Critical 현대로템 주식회사
Priority to KR1020110065967A priority Critical patent/KR101296670B1/en
Publication of KR20130004728A publication Critical patent/KR20130004728A/en
Application granted granted Critical
Publication of KR101296670B1 publication Critical patent/KR101296670B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/098Couplings 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 flexible hooks
    • F16L37/0982Couplings 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 flexible hooks with a separate member for releasing the coupling

Abstract

The present invention relates to a one-touch fitting for pipe connection, and in particular, a fitting body having a receiving portion in which a pipe is installed at one end and a fastening portion in which a hydraulic device is installed at the other end, and installed to protrude around an end of the pipe. A sleeve portion inserted together with the pipe in the accommodation portion, a locking portion installed around the accommodation portion to press the rear portion of the sleeve portion to secure the sleeve portion, and a rear portion of the sleeve portion to release the sleeve portion from being fixed. It characterized in that the locking portion is provided on the end of the receiving portion so as to be spaced apart from the sleeve by pushing the locking portion pressurized by pressing the pipe, the locking portion installed in the receiving portion to fix the pipe, Wave from the fitting body through the unlocking part installed at the end of the receiving part It is possible to remove the profile, simply made up at a time, the assembly of the fitting and the pipe work efficiency in a narrow space is improved, and a prominent invention can also prevent the safety accident of the worker.

Description

One touch fitting for pipe connection

The present invention relates to a one-touch fitting for pipe connection, and more particularly, when the pipe is inserted into the accommodation portion of the fitting body, the locking portion installed in the accommodation portion fixes the pipe, and conversely, the pipe in the fitting body through the unlocking portion installed at the end of the accommodation portion. It relates to a one-touch fitting for pipe connection that can be separated.

In general, hydraulic equipment such as a hydraulic pump, a hydraulic cylinder is provided with a pipe for transmitting the hydraulic pressure, both ends of the pipe is installed (fitting) for fixing the pipe to the hydraulic equipment.

As shown in Figure 1, the pipe 10 is formed in a tubular shape of plastic or metal according to the use, the fitting 20 is in the shape of a straight or elbow, etc., at one end step 21a and fasteners ( 22 and a fitting body 21 for forming a coupling part 24 for installing a hydraulic device at the other end and a fastener 22 formed at one end of the fitting body 21 and having a tapered inner diameter. (23) and a ring-shaped sleeve 25 interposed between the inner diameter of the socket 23 and one end of the fitting body 21 and the outer diameter of which is tapered.

In the assembly of the conventional fitting 20 and the pipe 10 configured as described above, the end of the pipe 10 passes through the inner diameter of the socket 23 as shown in FIG. 25) and then, using a tool such as a spanner to fasten the fastener 22 and the socket 23 to be completely tightened, the fitting body 21 is moved toward the socket 23.

At this time, the outer diameter tapered sleeve 25 is pushed by the stepped portion 21a formed at one end of the fitting body 21 and lowered according to the tapered inner diameter of the socket 23 while being fitted to one end of the fitting body 21. By pressing the end of the c), the end of the pipe 10 is fixed without the fitting 20 being pushed out by the pressing of the sleeve 25.

However, the assembly of the conventional fitting 20 and the pipe 10 requires the operator to directly tighten the fastener 22 and the socket 23 by using a tool such as a spanner, so that the pipe 10 is not fitted to the fitting 20. Since it is fixed, the assembly work that depends only on the physical force of the worker has a problem that the work efficiency is reduced when the work is made in a narrow space, and safety accidents, such as the abnormal work of the musculoskeletal system of the worker.

Accordingly, the present invention has been made to solve the above problems, the object of the present invention is to make the assembly of the fittings and pipes more easily, to improve the assembly work efficiency, and to provide that the safety accident of the operator is also prevented. will be.

The present invention for achieving the above object is a fitting body having a receiving portion for installing the pipe at one end and a fastening portion for installing a hydraulic device at the other end, and is installed to protrude around the end of the pipe in the interior of the receiving portion A sleeve inserted into the pipe, a locking portion provided around the receiving portion to press the rear portion of the sleeve portion for fixing the sleeve portion, and the locking portion pressing the rear portion of the sleeve portion to release the sleeve portion from being fixed. It is characterized in that it consists of an unlocking portion which is installed at the end of the receiving portion so as to be pushed apart from the sleeve portion.

In the present invention, the locking portion is fixed to the connecting ring seated on the periphery of the accommodating portion, the inner ring of the connecting ring is bent toward the sleeve portion is fitted into the through groove formed around the accommodating portion to press the rear of the sleeve portion It is characterized by consisting of pieces.

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In the present invention, the sleeve portion is characterized in that the circumference is formed in a conical shape in order to facilitate insertion into the fixing piece of the locking portion.

In the present invention, the unlocking portion is inserted into the inner hole for penetrating the pipe, the pressing portion inserted into the receiving portion to push the rear of the fixing piece, and formed at the rear of the pressing portion end of the receiving portion It is characterized by consisting of a stopper to be caught.

In the present invention, the tip of the pressing portion is characterized in that the tapered seating portion for further lifting the fixed piece pushed by the pressing portion is further provided.

In the present invention, the inner diameter of the receiving portion and the circumference of the pressing portion is characterized in that the female and male threads for fastening the receiving portion and the pressing portion are formed, respectively.

In the present invention, the inner diameter of the sleeve portion is characterized in that the protrusion is further provided for biting the circumference of the pipe.

As described above, according to the present invention, when the pipe is inserted into the accommodation portion of the fitting body, the locking portion installed in the accommodation portion fixes the pipe, and on the contrary, the pipe can be separated from the fitting body through the unlocking portion provided at the end of the accommodation portion. Since the assembly of the pipe is simple at once, the work efficiency is improved even in a narrow space, and the safety accident of the worker is also prevented.

1 and 2 is a cross-sectional view showing the assembled state of the fitting and the pipe according to the conventional invention.
3 is an exploded perspective view showing a one-touch fitting for pipe connection according to the present invention.
Figure 4 is a cross-sectional view showing a state before assembly of the pipe connection and one-touch fittings according to the present invention.
5 is a cross-sectional view showing a state after assembly of the pipe connection and one-touch fittings according to the present invention.
Figure 6 is a view showing a separation state of the pipe and one-touch fittings for pipe connection according to the present invention.

Hereinafter, a preferred embodiment of a one-touch fitting for pipe connection according to the present invention will be described in detail with reference to the accompanying drawings.

Here, in all the drawings below, the components having the same functions are not repeated, using the same reference numerals, and the following terms are defined in consideration of functions in the present invention, which are inherently commonly used. It should be interpreted as meaning.

As shown in Figure 3 to 6, the present invention is a fitting body 200 having a receiving unit 210 is installed at one end and the coupling unit 220 is installed hydraulic equipment at the other end Is formed.

The fitting body 200 is formed as a hollow 230 to connect to the receiving portion 210 and the binding portion 220.

In addition, a conical sleeve 300 which is inserted together with the pipe 100 inside the accommodating part 210 is fixed to the pipe 100 by pressing the pipe 100 around the end of the pipe 100. It is installed to protrude around the periphery, the inner diameter of the sleeve portion 300 is formed with a plurality of protrusions and protrusions 310 for protruding the circumference of the pipe 100 so as not to slip.

And the locking portion 400 is installed around the receiving portion 210 to press the rear of the sleeve 300 for fixing the sleeve 300.

The locking part 400 is formed to be bent toward the sleeve 300 in the inner ring of the connection ring 410 seated around the receiving portion 210, the connection ring 410 is the receiving portion 210 It is made of a plurality of fixing pieces 420 to be inserted into the through groove 211 formed around the pressing the rear of the sleeve portion 300.

delete

In addition, to release the sleeve 300, the sleeve portion pushes the fixing piece 420 of the locking portion 400 that presses the rear portion of the sleeve 300 to the end of the receiving portion 210. An unlocking part 600 is installed to be spaced apart from the 300.

The unlocking part 600 is inserted into the insertion hole 610 formed inside to penetrate the pipe 100 and the receiving part 210 to push the rear of the fixing piece 420. The pressing unit 620 and the stopper 630 formed at the rear of the pressing unit 620 to be caught by the end of the receiving portion 210.

On the other hand, the tip of the pressing portion 620 is further provided with a tapered seating portion 621 for lifting the fixing piece 420 pushed by the pressing portion 620.

In addition, the inner diameter of the accommodating part 210 and the circumference of the pressing part 620 are each provided with a female screw 212 and a male screw 622 for fastening the accommodating part 210 and the pressing part 620 to accommodate the accommodating part. The pressing part 620 inserted into the inside of the part 210 is formed to move toward the fixing piece 420 while rotating.

In addition, the sleeve 300 is preferably formed in a conical circumference in order to facilitate insertion into the fixing piece 420 of the locking portion 400.

Referring to the working state of the present invention configured as described above are as follows.

As shown in FIG. 4, before assembling the pipe 100 to the fitting body 200, the worker inserts the sleeve 300 around one end of the pipe 100, and the sleeve 300 is outside. When pressed in, the concave-convex portion 310 formed in the inner diameter of the sleeve portion 300 bites the circumference of the pipe 100 by a force for pressing the sleeve portion 300, the sleeve portion 300 is the pipe 100 ) Firmly fixed in place.

Then, the operator lifts each fixing piece 420 to bend outward, and inserts the locking part 400 around the receiving part 210 in a state where the fixing piece 420 is bent outwardly, and then the fixing piece 420 of the fitting body 200. It is inserted into the through groove 211 formed around the accommodating part 210 to allow the locking part 400 to be installed around the accommodating part 210.

At this time, the connection ring 410 of the locking portion 400 is seated around the receiving portion 210, the fixing piece 420 inserted into the receiving portion 210 is accommodated in the inner diameter of the connection ring 410 The fixing piece 420 has elasticity because it is bent in a state in which the portion 210 is bent.

delete

Next, the worker penetrates the pipe 100 through the insertion hole 610 of the unlocking part 600, and the pressing part 620 of the unlocking part 600 receives the receiving part 210 of the fitting body 200. ) To be released into the end of the receiving portion 210 to be installed (600).

Specifically, since the internal thread 212 is formed in the inner diameter of the accommodating part 210, and the external thread 622 is formed around the pressing part 620, the internal thread 212 of the accommodating part 210 is formed. When fastening the male screw 622 of the pressing portion 620, the unlocking portion 600 is installed at the end of the receiving portion 210 so that the pressing portion 620 is movable toward the fixing piece.

Therefore, when assembling the pipe 100 to the fitting body 200, as shown in Figure 5, when the pipe 100, the sleeve 300 is installed is inserted into the receiving portion 210 of the fitting body 200, The sleeve part 300 passes through the insertion hole 610 of the unlocking part 600 and the fixing piece 420 of the locking part 400 together with the pipe 100 to enter the receiving part 210.

And when the end of the pipe 100 is fitted in the hollow 230, the sleeve 300 is in close contact with the inlet side of the hollow 230 to block the gap between the pipe 100 and the hollow 230.

At this time, the fixing piece 420 of the locking part 400, which has been temporarily lifted by the insertion of the sleeve part 300, returns back by elasticity and the sleeve part 300 is fixed to the fitting body 200 by the sleeve part 300. ) Is pressed toward the hollow 230 into which the pipe 100 is fitted.

Therefore, the pipe 100 inserted into the receiving portion 210 of the fitting body 200 is fixed to the fitting body 200 by the fixing piece 420 of the locking portion 400 fixing the sleeve 300. .

Meanwhile, as shown in FIG. 6, when the pipe 100 is separated from the fitting body 200, the operator first rotates the unlocking part 600 fastened to the receiving portion 210 of the fitting body 200. The pressing part 620 inserted into the receiving part 210 is moved to the fixing piece 420 of the locking part 400.

Therefore, when the front end of the pressing portion 620 pushes the rear of the fixing piece 420, the fixing piece 420 located at the rear of the sleeve 300 is lifted by the pressing portion 620 in the sleeve portion ( While being spaced apart from the 300 is placed on the seating portion 621 tapered to the tip of the pressing portion 620, at the same time the stopper 630 of the unlocking portion 600 is in contact with the end of the receiving portion 210 and locked The movement of the pressing unit 620 by the rotation of the release unit 600 is stopped.

Therefore, as the fixing piece 420 and the sleeve portion 300 are spaced in the receiving portion 210, when the operator pulls out the pipe 100 inserted into the receiving portion 210, the fitting body 200 and the pipe 100 are separated. Are separated.

10: Hydraulic Hose 20: Fitting
21: fitting body 21a: step
22: fastener 23: socket
24: binding part 25: sleeve
100: pipe 200: fitting body
210: receiving portion 211: through groove
212: internal thread 220: binding part
230: hollow 300: sleeve part
310: uneven portion 400: locking portion
410: connecting ring 420: fixing piece
600: unlocking unit 610: insertion hole
620: pressing portion 621: seating portion
622: external thread 630: stopper

Claims (8)

  1. A fitting body having a receiving part in which one pipe is installed at one end and a binding part in which a hydraulic device is installed at the other end;
    A sleeve portion installed to protrude around an end of the pipe and inserted together with the pipe in the accommodation portion;
    A locking part installed around the accommodating part to press the rear part of the sleeve part to fix the sleeve part;
    Comprised of an unlocking portion which is installed at the end of the receiving portion so as to be spaced apart from the sleeve by pushing the locking portion pressing the rear of the sleeve portion to release the sleeve portion,
    The locking portion
    A connection ring seated around the accommodation portion;
    One-touch fittings for pipe connection, characterized in that formed in the inner diameter of the connecting ring is bent toward the sleeve portion is formed in the through groove formed around the receiving portion to press the rear of the sleeve portion.
  2. delete
  3. delete
  4. The method according to claim 1,
    The sleeve is a one-touch fitting for pipe connection, characterized in that the periphery is formed in a conical shape to facilitate insertion into the fixing piece of the locking portion.
  5. The method according to claim 1,
    The unlocking unit,
    An insertion hole formed inside to penetrate the pipe,
    A pressing part inserted into the receiving part to push the rear of the fixing piece;
    One-touch fittings for pipe connection, characterized in that the stopper is formed in the rear of the pressing portion to be caught by the end of the receiving portion.
  6. The method of claim 5,
    The front end of the pressing portion is a one-touch fitting for pipe connection, characterized in that further provided with a tapered seating portion for lifting the fixing piece pushed by the pressing portion.
  7. The method of claim 5,
    One-touch fittings for pipe connection, characterized in that the inner and outer threads for fastening the receiving portion and the pressing portion are formed around the inner diameter of the receiving portion and the pressing portion.
  8. The method according to claim 1,
    One-touch fittings for pipe connection, characterized in that the inner diameter of the sleeve portion is further provided with a concave-convex portion to protrude around the pipe.
KR1020110065967A 2011-07-04 2011-07-04 One touch fitting for pipe connection KR101296670B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110065967A KR101296670B1 (en) 2011-07-04 2011-07-04 One touch fitting for pipe connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110065967A KR101296670B1 (en) 2011-07-04 2011-07-04 One touch fitting for pipe connection

Publications (2)

Publication Number Publication Date
KR20130004728A KR20130004728A (en) 2013-01-14
KR101296670B1 true KR101296670B1 (en) 2013-08-14

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Application Number Title Priority Date Filing Date
KR1020110065967A KR101296670B1 (en) 2011-07-04 2011-07-04 One touch fitting for pipe connection

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KR (1) KR101296670B1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090091124A1 (en) * 2007-10-08 2009-04-09 Staubli Faverges Female coupling element and a coupling including such an element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090091124A1 (en) * 2007-10-08 2009-04-09 Staubli Faverges Female coupling element and a coupling including such an element

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