CN102037267A - Method of manufacturing pipe joint - Google Patents
Method of manufacturing pipe joint Download PDFInfo
- Publication number
- CN102037267A CN102037267A CN2009801158382A CN200980115838A CN102037267A CN 102037267 A CN102037267 A CN 102037267A CN 2009801158382 A CN2009801158382 A CN 2009801158382A CN 200980115838 A CN200980115838 A CN 200980115838A CN 102037267 A CN102037267 A CN 102037267A
- Authority
- CN
- China
- Prior art keywords
- adapter body
- pipe
- fastening parts
- clamp holder
- anchor clamps
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 22
- 238000003672 processing method Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F16L37/0927—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 the wedge element being axially displaceable for releasing the coupling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joints With Sleeves (AREA)
Abstract
A method of manufacturing a pipe joint (10) incorporating an engaging member (30) to which a metal pipe (P) is connected. The method is provided with a first forming step for either reducing the diameter of a circular tubular joint body (20) on the opening (21) side thereof or expanding the diameter of the circular tubular joint body (20) on the opening (22) side thereof, an engaging member inserting step for inserting the engaging member (30) from the opening (22) side of the joint body (20), a jig inserting step for inserting a first jig (100) into the opening (21) side of the joint body (20) and inserting a second jig (200) into the opening side (22) of the joint body (20), a second forming step for reducing the diameter of the opening (22) of the joint body (20) to a level smaller than the outer diameter of the engaging member (30) by making the first jig (100) and the second jig (200) approach each other. Thus, the pipe joint can be manufactured by the simple processing method and at low cost without using tools.
Description
Technical field
The pipe-joint manufacturing method that the present invention relates to tool using not and can load and unload metal tube particularly can reduce the pipe-joint manufacturing method of manufacture cost.
Background technique
Usually, pipe joint uses as being used for the parts that pipe arrangement is linked to length direction with metal tube, and this pipe arrangement is used for to supply tap water and combustion gas such as family or shops with metal tube.Especially, in the binding between the liquid metal pipe, tightness and associativity are considered to most important factor.
Existing pipe joint has with metal tube and screws, and the structure of having established the packing parts as the O ring at its binding site folder.But, so existing pipe joint, in conjunction with the time, requires stronger fastening force, and need other fastened tools, so operation is not easy and loaded down with trivial details.In addition.If pipe joint becomes insecure with combining of metal tube, then exist obturation effect to descend and keep the misgivings that the reliability of sealing is queried.
In order to solve such problem, proposed in the inner internal card limiting-members of pipe joint, pipe arrangement is carried out combination with the fastening means of adapter body by single stepping (one touch) with metal tube or separate, and can keep the no tool pipe joint (for example, with reference to Japanese Patent Application 2004-292582 communique, Japanese Unexamined Patent Application Publication 2004-537696 communique, Japanese Patent Application 2004-000573 communique) of sealing effectively.
In above-mentioned no tool pipe joint, there is following problem.Promptly, need be than the external diameter of the clamp holder that the fastening parts the are installed opening portion internal diameter of designed joint end slightly bigly, therefore, O ring, elastomer, clamp holder (the fastening parts have been installed) are inserted into after the adapter body, use trip ring to dwindle the diameter of opening portion, come off to prevent these inner matters.Perhaps, need carry out the operation that the little acorn nut of internal diameter with opening portion covers inner matter etc.
Such adapter body is mainly made by foundry goods, and need make the ganoid processing of joint inside and the cutting process of the precision by numerically controlled lathe etc. in order to make diameter dimension and design load coupling.
In addition, for the opening ring type, also need to carry out processing of trip ring mounting groove and trip ring installation exercise, for the acorn nut formula, except main body, need to carry out the manufacturing of acorn nut and to the screw thread processing of main body and acorn nut, also need to carry out other screw-in operation, be accompanied by main body and be casting thing system, its manufacture cost of the joint of these structures becomes expensive.
Summary of the invention
Therefore, the objective of the invention is to, pipe-joint manufacturing method that can not have the tool pipe joint by easy processing method with the low cost manufacturing is provided.
In order to solve above-mentioned problem to reach purpose, the following formation of pipe-joint manufacturing method of the present invention.
A kind of pipe-joint manufacturing method, it is the pipe-joint manufacturing method that is built-in with the fastening parts that are used to connect pipe, it is characterized in that possessing: first molding procedure, to a side of adapter body cylindraceous carry out undergauge or or opposite side carried out hole enlargement; The fastening parts insert operation, insert above-mentioned fastening parts from the opposite side of above-mentioned adapter body; Anchor clamps insert operation, a side of above-mentioned adapter body is assemblied in first anchor clamps, and inserts second anchor clamps at opposite side; And second molding procedure, make above-mentioned first anchor clamps and second anchor clamps near carrying out drawing, become the path littler with opening portion undergauge than the external diameter of above-mentioned fastening parts with the opposite side of above-mentioned adapter body.
Description of drawings
Fig. 1 is the longitudinal section of the pipe joint made by the pipe-joint manufacturing method of one embodiment of the present invention of expression.
Fig. 2 is the longitudinal section of the operation of the above-mentioned pipe-joint manufacturing method of expression.
Fig. 3 is the longitudinal section of the operation of the above-mentioned pipe-joint manufacturing method of expression.
Fig. 4 is the longitudinal section of the operation of the above-mentioned pipe-joint manufacturing method of expression.
Fig. 5 is the longitudinal section of the operation of the above-mentioned pipe-joint manufacturing method of expression.
Embodiment
Fig. 1 is the longitudinal section of the pipe joint that is used for metal tube 10 of expression one embodiment of the present invention, and Fig. 2 is the longitudinal section of exploded representation aforementioned tube joint 10.In addition, P represents to become the metal tube of connecting object in the drawings.
Fastening parts 30 possess: O ring 40, it is arranged on the inner peripheral surface of adapter body 20, and in the 1st molding procedure described later by fastening in path sidepiece 21a; Be installed in the circular base part 41 of the inner peripheral surface of adapter body 20; The bottom is fixed in the pressure spring (force application part) 42 of this base part 41; And the anti-sheet clamp holder 43 that pulls out that is arranged on the forward end of this pressure spring.42 pairs of pressure springs are prevented pulling out sheet clamp holder 43 to another opening portion 22 side application of forces.
The anti-sheet clamp holder (cylindrical part) 43 that pulls out is formed cylindricly, and its internal diameter is also bigger than the external diameter of metal tube P, and has than by the also big external diameter of internal diameter of the opening portion 22 of the adapter body 20 of undergauge.In addition, many places are provided with cut 43a on this circumference, all sides in this cut penetrates into from outer circumferential side.
Be provided with the anti-sheet 44 that pulls out in cut 43a, this is anti-to pull out sheet and is installed into: can pull out moving radially of sheet clamp holder 43 along anti-, and with the outer circumferential face butt of metal tube P.Prevent pulling out sheet 44, possess multistage and cut in the sharp keen sawtooth 44a of the outer circumferential face of metal tube P by making than the high metal of metal tube P hardness.In addition, the anti-outer circumferential side that pulls out sheet 44 has formed the conical surface 44b that enlarges to opening portion 21 sides from opening portion 22.
In addition, as mentioned above, the anti-external diameter that pulls out sheet clamp holder 43 is bigger than the internal diameter of the opening portion 22 of adapter body 20, comprises that therefore the anti-fastening parts 30 that pull out sheet clamp holder 43 can not extract from opening portion 22.
And when finishing the insertion of metal tube P, then the application of force by pressure spring 42 will be prevented pulling out sheet 44 and push to opening portion 22 sides via the anti-sheet clamp holder 43 that pulls out.At this moment, the anti-conical surface 44b of sheet 44 and the inner peripheral surface butt of diameter reducing part 22a of pulling out prevented pulling out sheet 44 and moved to radially inner side.Thus, the anti-sawtooth 44a that pulls out sheet 44 is pressed into the outer circumferential face of metal tube P forcefully, and metal tube P is securely connected, and can not be pulled out and comes off from pipe joint 10.
Below, the assembly method of the pipe joint 10 of such formation is described.As shown in Figure 2, the opening portion 21 to the adapter body 20 that is made of the uniform tubing of internal diameter carries out undergauge (undergauge operation).Perhaps opening portion 22 is carried out hole enlargement.Can heat-treat afterwards, remove residual stress.Then, as shown in Figure 3, from another opening portion 22 insertion fastening parts 30 (the fastening parts insert operation) of adapter body 20.Then, as shown in Figure 4, opening portion 21 sides of adapter body 20 are assemblied in first anchor clamps, and opening portion 22 sides are inserted in second anchor clamps 200 (anchor clamps insertion operation).
Then as shown in Figure 5, make above-mentioned first anchor clamps and second anchor clamps near and carry out drawing, the application of force of protuberance 220 opposing the pressure springs 42 and anti-sheet clamp holder 43 that pulls out of fastening parts 30 is pushed (pushing operation) to opening portion 21 sides of adapter body 20.If proceed to push, then the diameter reducing part 22a of adapter body 20 is pressed against recess 210, and undergauge is to the diameter (undergauge operation) littler than the external diameter of fastening parts 30.
As above above-mentioned, the manufacture method of pipe joint 100 according to the embodiment of the present invention, adapter body 20 can be formed by plastic working, do not need to make the ganoid processing in inside of adapter body 20 and in order to make diameter dimension and design load coupling the cutting process of the precision by numerically controlled lathe etc., thereby can simplify flow chart.In addition, the undergauge that can carry out the insertion of fastening parts 30 and be used to prevent come off by simple method.Therefore, can there be the tool pipe joint with the low cost manufacturing.
In addition, the invention is not restricted to above-mentioned mode of execution.For example, illustrated and used anti-mode of pulling out sheet as the fastening parts, but if the fastening parts that constitute big footpath than the opening portion of adapter body then can use other mechanism.And material also is not limited to above-mentioned material.In addition, it is obvious can carrying out various distortion enforcements in the scope that does not break away from aim of the present invention.
Industrial applicibility
According to the present invention, can there be the tool pipe joint with low cost fabrication by simple processing method.
Claims (3)
1. pipe-joint manufacturing method, it is the pipe-joint manufacturing method that is built-in with the fastening parts that are used to connect pipe, it is characterized in that possessing:
First molding procedure is carried out undergauge or opposite side is carried out hole enlargement a side of adapter body cylindraceous;
The fastening parts insert operation, insert described fastening parts from the opposite side of described adapter body;
Anchor clamps insert operation, a side of described adapter body is assemblied in first anchor clamps, and inserts second anchor clamps at opposite side; And
Second molding procedure makes described first anchor clamps and second anchor clamps near carrying out drawing, becomes the path littler than the external diameter of described fastening parts with the opening portion undergauge with the opposite side of described adapter body.
2. pipe-joint manufacturing method as claimed in claim 1 is characterized in that,
Described fastening parts possess:
The anti-sheet clamp holder that pulls out, it possesses cylindrical part, this cylindrical part has the internal diameter bigger than the external diameter of described pipe, and have than described by the big external diameter of path side in described first molding procedure of the described adapter body of moulding, and on the anti-circumference that pulls out the sheet clamp holder, be provided with the cut that connects from the inside all sides of outer circumferential side;
Anti-pull out sheet, it is installed into, be configured in this anti-described cut of pulling out the sheet clamp holder and can pull out moving radially of sheet clamp holder along anti-, and with the outer circumferential face butt of described pipe;
Circular base component, it is fixed in the inner peripheral surface of described adapter body; And
Force application part, it is arranged on this base component and described anti-pulling out between the sheet clamp holder, to the described anti-opposite side application of force of sheet clamp holder to described adapter body of pulling out.
3. pipe-joint manufacturing method as claimed in claim 2 is characterized in that,
Described the 2nd molding procedure has the operation of pushing, and pushes in the operation at this, and the described anti-sheet that pulls out that makes described fastening parts is resisted the active force of described force application part and pushed to a side of described adapter body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008120499A JP2009270606A (en) | 2008-05-02 | 2008-05-02 | Pipe joint manufacturing method |
| JP2008-120499 | 2008-05-02 | ||
| PCT/JP2009/058303 WO2009133862A1 (en) | 2008-05-02 | 2009-04-27 | Method of manufacturing pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102037267A true CN102037267A (en) | 2011-04-27 |
Family
ID=41255078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801158382A Pending CN102037267A (en) | 2008-05-02 | 2009-04-27 | Method of manufacturing pipe joint |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2009270606A (en) |
| KR (1) | KR20100134718A (en) |
| CN (1) | CN102037267A (en) |
| TW (1) | TW200946808A (en) |
| WO (1) | WO2009133862A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100787A (en) * | 2013-04-15 | 2014-10-15 | 禹智现 | Apparatus for connecting pipe |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5613478B2 (en) * | 2010-06-28 | 2014-10-22 | 株式会社ニフコ | Pipe connection connector |
| JP2012180876A (en) * | 2011-02-28 | 2012-09-20 | Nifco Inc | Tubular structure and battery temperature control system using the same |
| KR101377198B1 (en) * | 2013-08-06 | 2014-03-25 | 고은진 | One-touch injection pipe connection device with easy component assembly |
| JP6665643B2 (en) * | 2016-04-06 | 2020-03-13 | 日本製鉄株式会社 | Manufacturing method and manufacturing apparatus for expanded pipe parts |
| KR101905607B1 (en) * | 2016-08-03 | 2018-10-08 | 주식회사 조인탑 | Pipe joint device and method for manufacturing the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0362109U (en) * | 1989-10-18 | 1991-06-18 | ||
| JP2521001Y2 (en) * | 1990-03-19 | 1996-12-25 | 臼井国際産業株式会社 | Connector for small diameter piping |
| JP3062109U (en) * | 1999-03-11 | 1999-09-28 | 株式会社岩井鉄工所 | Pipe fitting body manufacturing equipment |
| JP2006105269A (en) * | 2004-10-05 | 2006-04-20 | Benex Corp | Pipe joint |
| JP4529133B2 (en) * | 2005-03-25 | 2010-08-25 | 東海ゴム工業株式会社 | Quick connector |
-
2008
- 2008-05-02 JP JP2008120499A patent/JP2009270606A/en active Pending
-
2009
- 2009-04-27 CN CN2009801158382A patent/CN102037267A/en active Pending
- 2009-04-27 WO PCT/JP2009/058303 patent/WO2009133862A1/en active Application Filing
- 2009-04-27 KR KR1020107024587A patent/KR20100134718A/en not_active Ceased
- 2009-04-28 TW TW098114068A patent/TW200946808A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100787A (en) * | 2013-04-15 | 2014-10-15 | 禹智现 | Apparatus for connecting pipe |
| CN104100787B (en) * | 2013-04-15 | 2017-01-04 | 永远技术（集团）有限公司 | pipe connection device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100134718A (en) | 2010-12-23 |
| JP2009270606A (en) | 2009-11-19 |
| TW200946808A (en) | 2009-11-16 |
| WO2009133862A1 (en) | 2009-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110427 |