CN1580621A - Joint part structure and joint part forming method - Google Patents
Joint part structure and joint part forming method Download PDFInfo
- Publication number
- CN1580621A CN1580621A CN 200410055885 CN200410055885A CN1580621A CN 1580621 A CN1580621 A CN 1580621A CN 200410055885 CN200410055885 CN 200410055885 CN 200410055885 A CN200410055885 A CN 200410055885A CN 1580621 A CN1580621 A CN 1580621A
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- Prior art keywords
- pipe
- hole
- reamer
- connected element
- pressing plate
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- Branch Pipes, Bends, And The Like (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
Provided is a structure of a joint member and a molding structure of the joint member capable of reducing the cost and simplifying the work in manufacturing a flange joint by molding. The flange joint is composed of a flange member and a pipe, a through hole is formed on the flange member to make the pipe be penetrated theretrough. A boss insertion hole is enlarged in a state of spreading toward the bottom in the direction to open a tip end part of the pipe into the shape of a flare. On the other hand, a triangular pad is formed in a state of being positioned at a back face-side enlarged hole part of the through hole at a back face side of the flange member. The flange member is fixed to positions at both ends of the through hole in a state of holding the flange member by the flare at its one end side and by the pads at the other end side.
Description
Technical field
The present invention relates to the joint component structure and the joint component shaped structure of the connected element (connecting member) that disposes pipe (pipe) and be installed on the head of pipe.
Background technique
Fig. 8, Fig. 9, Figure 10 represent the recessed side of existing flange joint (flange member).This flange joint 1 is made of vibrating part (flange member) 2 and the pipe 3 as connected element, is provided with the through hole (through hole) 5 that junction surface (connecting face) 4 one sides from joint 1 penetrate into the back side 7 one sides on vibrating part 2.Through hole 5 forms connection mouth (connecting port) 6 in junction surface 4 one sides, and 7 one sides form interface tube (pipeport) 8 overleaf.Carrying out soldering (brazing) 15 in the head insertion tube interface 8 of pipe 3, holding flange parts 2 and pipe 3.Through hole 5 sides at vibrating part 2 are made screw hole (screwhole) 9.
Figure 10 is with concavo-convex edge joint 1 expression protruding side flange joint 10.This flange joint makes boss (boss) 12 protrude in vibrating part 11, with boss 12 opposite sides on insertion tube 3a, be fixed on the vibrating part 11.Make through hole 13 at the side of vibrating part 11.
The boss 12 of protruding side flange joint 10 is inserted in the connection mouth 6 of recessed side flange joint 1,, this flange joint 1,10 is linked together with bolt (bolt) 14 fastening two vibrating parts 2,11.
In Japanese kokai publication hei 11-141760 communique and Te Kai 2000-120952 communique, record the prior art of this flange joint.
The connection part of vibrating part 2 and pipe 3 has been fixed in above-mentioned recessed side flange joint 1 usefulness soldering 15.If soldering 15 incomplete words can produce gas by leaking (perhaps leak of liquid) phenomenon from the imperfect position of the soldering of connection mouth 6.
As Fig. 8, shown in Figure 9, under the situation of carrying out soldering 15, because pipe 3 heads are inserted in the interface tube 8 of vibrating part 2, the integral-type flange height H 1 of vibrating part 2 increases the amount of the insertion length of its pipe 3, thereby the cost of parts (cost) increases.Among this external Figure 10, under the situation that recessed side flange joint 1 is connected protruding side flange joint 10 connections, if at narrow position and the big flange joint 1 of place configuration flange height of having put into parts, vibrating part 2 and miscellaneous part mutual interference mutually sometimes.As long as therefore can keep intensity, wish to make vibrating part 2 miniaturizations.Have again in the manufacturing process of flange joint 1, carry out brazing operation, then take very much labour and expense.
Summary of the invention
The present invention develops in view of these problems exactly, and therefore, purpose is, the mould-forming method of a kind of joint component and joint component is provided, and utilize to be shaped when making the joint of flange etc., but can to reduce cost, simple operations simultaneously.
In order to achieve the above object, joint component structure of the present invention, use has the connected element (vibrating part) of through hole, tube head is connected with above-mentioned through hole, connecting tube and connected element, one side is made reamer in the front of above-mentioned through hole, be provided with wide diameter portion at tube head, this wide diameter portion is cooperated with above-mentioned reamer, make from the outwards outstanding lug boss of pipe outer circumferential face in the back side of above-mentioned through hole one side, utilize these wide diameter portions and the above-mentioned connected element of lug boss clamping, connected element is installed on the pipe.
Above-mentioned joint component structure can be made reamer in the back side of through hole one side, makes the aforementioned tube lug boss outstanding to this reamer.
In addition, above-mentioned joint component structure can be made the material of pipe and connected element with different materials.
In order to achieve the above object, the mould-forming method of joint component of the present invention uses the connected element with through hole, tube head is connected with above-mentioned through hole, the joint component of connecting tube and connected element, one side is made reamer in the front of connected element through hole, make pipe pass pressing plate inserting hole and connected element through hole with pressing plate, in the punch holder tube head hole enlargement of the reamer of connected element, make wide diameter portion, in the back side of connected element one side, the clout portion of pipe is made from the outwards outstanding lug boss of pipe outer circumferential face, utilize these wide diameter portions and lug boss to clamp above-mentioned connected element, connected element is installed on the pipe.
The mould-forming method of above-mentioned joint component can be made reamer in pressing plate inserting hole front, one side is made reamer at the connected element back side, at the position that the reamer of reamer that makes inserting hole and connected element is coincide, can make the clout portion of pipe outstanding, can also make reamer in pressing plate inserting hole front, substitute the reamer at the connected element back side, make the clout portion of aforementioned tube give prominence to and form to the reamer of the inserting hole of above-mentioned pressing plate.
Description of drawings
Fig. 1 is the sectional view of the flange joint of embodiment of the present invention middle joint modular construction.
Fig. 2 A is the plan view of vibrating part, and the B of Fig. 2 is the sectional view of X-X line direction among the A of Fig. 2.
Vibrating part and the external mold that be used to be shaped and the sectional view of drift of Fig. 3 for being shaped in the embodiment of the present invention middle joint parts forming process.
Fig. 4 is the 1st forming process of embodiment of the present invention middle joint parts, the A of Fig. 4 is contained in pipe in the pressing plate for expression, vibrating part is contained in the sectional view of the state in the external mold, the B of Fig. 4 is contained in vibrating part for expression the sectional view of the state in the pressing plate, the C of Fig. 4 represents to finish the state of the 1st forming process after the pipe drawing.
Fig. 5 is the amplification view at round W position of the B of Fig. 4.
Fig. 6 is the 2nd forming process of embodiment of the present invention middle joint parts, and the A of Fig. 6 is the sectional view of the state of expression before the drawing, and the B of Fig. 6 represents drift is pacified state in the pipe, and the C of Fig. 6 represents to finish the state of the 2nd forming process after the pipe drawing.
When Fig. 7 is shaped for the C of expression from the B of Fig. 6 to Fig. 6, on pipe, form the state of clout portion, the A of Fig. 7 is the sectional view that is illustrated in shaping initial stage pipe inner peripheral surface stress direction, the B of Fig. 7 enters into the sectional view of the state between pressing plate and the vibrating part for representing clout portion, and the C of Fig. 7 is illustrated in the sectional view that the vibrating part back side forms the state of clout portion.
Fig. 8 is the sectional view of the flange joint of existing joint component structure.
The A of Fig. 9 is the plan view of existing vibrating part, and the B of Fig. 9 is the sectional view of V-V line direction among the A of Fig. 2.
Figure 10 blocks sectional view for the part of the protruding side flange joint that uses in the sectional view of existing recessed side flange joint and existing that use and the present embodiment.
Embodiment
With reference to the accompanying drawings embodiments of the present invention are described.And, describe for the identical label of part mark identical with background technique.And, protruding side flange joint 10 shown in Figure 10, owing to do not change in the present invention, so directly use the label of Figure 10 to describe.
Fig. 1 is for adopting the protruding side flange joint 1 of joint component structure of the present invention, and the A of Fig. 2 makes the plan view of the vibrating part 2 before the joint, and the B of Fig. 2 is the sectional view of X-X line direction of the A of Fig. 2.
Flange joint 1 is made of vibrating part 2 and pipe 3.Shown in the B of Fig. 2, on vibrating part 2, make the through hole 5 of perforation from junction surface 4 sides 7 sides of flange joint 1 to the back side.Through hole 5 is made the reamer 16 of connection mouth one side of step (being 2 steps in the diagram) at junction surface 4 one side openings.Shown in the round Y of the B of Fig. 2, the through hole 5 of 7 one sides opens the back side one side reamer 17 that (opening) does tapered (taper) overleaf.At through hole 5 sides of vibrating part 2, make the screw hole 9 of perforation from junction surface 4 to the back side.
As shown in Figure 1, being assembled into pipe 3 head aligns with the junction surface 4 of vibrating part 2.Manage 3 heads, one side make diameter with boss 12 corresponding, through hole enlargement than the big boss inserting hole (insert hole) 20 of pipe 3 bottoms, one sides (portion of non-shaping) diameter, the boss 12 of protruding side flange joint 10 (with reference to Figure 10) can be inserted.In addition, horn mouth (flare) 18 is made in the end of boss patchhole 20, the horn mouth 18 direction hole enlargement that forward end is opened on the step surface of reamer 16.On the other hand, vibrating part 2 back sides 7 sides are done triangularity clout portion 19 at the position that is positioned at through hole reamer 17.Therefore, utilize the horn mouth 18 of a side, the clout portion 19 clamped flanges parts 2 of opposite side at through hole 5 two ends, make vibrating part 2 fixing.In addition, being shaped makes the junction surface of horn mouth 18 and reamer 16 and the junction surface of clout portion 19 and reamer 17 closely contact with vibrating part, vibrating part 2 is completely fixed with pipe 3 is in the same place.
As shown in Figure 1, this recessed side flange joint 1 makes pipe 3 pass whole through hole 5, and the head of pipe 3 becomes the boss patchhole 20 of protruding side flange joint 10.Therefore, need not shown in the B of Fig. 9, make the connection mouth 6 of boss 12 and the interface tube of insertion tube 3 (pipe port) 8.Just adopt the present invention, can omit the interface tube 8 of background technique.Therefore, from the junction surface 4 of the vibrating part 2 existing weak point of ratio that 7 height H 2 can be done to the back side.In addition, pipe 3 horn mouth 18 without soldering on vibrating part 2.Because the boss 12 of protruding side flange joint 10 directly is connected with pipe 3, eliminated under the existing soldering situation problem of leak gas from the position of welding badly (gas).
Forming process to above-mentioned joint component describes below.
Fig. 3 represents to be used for external mold 25 and the drift 28 that recessed side flange joint 1 is shaped, and A～C of Fig. 4 represents to be used for the order of the 1st operation that flange joint 1 is shaped.
In the A of Fig. 4,21 expression pressing plates (cramp).Pressing plate 21 has the inserting hole 22 that can penetrate pipe 3, and pipe 3 is inserted inserting hole 22, shown in the B of Fig. 4, when vibrating part 2 and pressing plate 21 are close together, pipe 3 heads is stretched out slightly from vibrating part 2.With not shown fixed equipment pipe 3 is fixed on the pressing plate 21 then.Pressing plate 21 is provided with the surface of contact 23 with vibrating part 2 in pipe 3 outstanding sides.Inserting hole 22 hole enlargements of these surface of contact 23 sides constitute boss shaped hole 24.The diameter of this boss shaped hole 24 is identical with the through hole 5 of vibrating part 2.
Vibrating part 2 is contained on the bearing 26 of (set) external mold 25.As shown in Figure 3, external mold 25 disposes drift 28 in tubular body 27, and drift 28 can endwisely slipping along main body 27.In addition, around external mold 25 main body 27 axially, do growth otch (slit) hole 29 at two positions up and down.Insert the block (stopper) 30 of screw shape in incision hole 29, block 30 is screwed on the peripheral wall surfaces of drift 28.Therefore drift 28 has and only is the stroke of slide (stroke) of incision hole 29 length.Make spring seat 31 in the rear end of drift 28, between the rear end of main body 27 and spring seat (spring seat) 31, be provided with spring 32.Make drift 28 after vibrating part 2 moves when therefore being shaped, if do not load, drift 28 just turns back to the position of readiness at rear.
Drift 28 accompanies conus portion 34 in the middle of front end is held on earth, its forward end is made minor diameter part 35, footpath portion 36 in distolateral thereafter the making, and bottom end side is a large-diameter portion 37.The diameter of minor diameter part 35 is actually and the identical diameter of the Reference diameter of managing 3 (unshaped part diameter), and the diameter of middle footpath portion 36 is the diameter smaller slightly than boss patchhole 20 shown in Figure 1.The diameter of the large-diameter portion 37 in fact internal diameter with external mold 25 is identical.
Fig. 5 is the enlarged view of the B circle W of Fig. 4.On the interface of vibrating part 2 and pressing plate 21, around the through hole 5 of vibrating part 2, form the conical reamer 17 of through hole 5 openings one side hole enlargement, relative therewith, form conical reamer 38 to opening one side of the boss shaped hole 24 of pressing plate 21.
Shown in the A of Fig. 4, adopt such structure vibrating part 2 to be placed on the bearing 26 of external mold 25, then shown in the B of Fig. 4, pipe 3 heads are passed the through hole 5 of vibrating part, the back side 7 of vibrating part 2 is contacted with the surface of contact 23 of pressing plate 21.Under this state, manage 3 heads and be disposed at relative position with the minor diameter part 35 of drift 28.Then, drift 28 is slided to pipe 3 one sides, shown in the C of Fig. 4, manage 3 heads by the conical portion 34 of hole enlargement one-tenth and drift 28 and middle path portion 36 corresponding shape.Under this state, pipe 3 also firmly is not connected with vibrating part 2.
The order of the 2nd operation that is used for flange joint 1 shaping is shown below.
Shown in the A of Fig. 6, pipe 3 that directly the 1st operation is shaped in the 2nd operation and the pressing plate 21 that is placed with pipe 3 use continuously.The drift 39 that in the 2nd operation, uses by the path 41 of front end, conus portion 42, middle footpath portion 43, form loudspeaker oral area 44 and base portion 45 constitutes.The diameter of the minor diameter part 41 in fact diameter with pipe 3 non-forming section is identical, conical portion 42 is the shape of the conus portion 46 of the pipe 3 that forms with the 1st operation, in the diameter of footpath portion 43 in fact the diameter with the boss 12 (with reference to Figure 10) of protruding side flange joint 10 is identical, the diameter of middle footpath portion 43 is made bigger slightly than the wide diameter portion 47 of the existing pipe 3 shown in the A of Fig. 6.Shown in the B of Fig. 2, the shape of the formation loudspeaker oral area 44 of drift 39 is made and is made the shape of pipe 3 heads along connection oral-lateral reamer 16 step surfaces of vibrating part 2.
Shown in the B and C of Fig. 6, adopt such formation, drift 39 is poured pipe 3.At this moment, because the diameter of the middle footpath portion 43 of drift 39 is bigger than wide diameter portion 47 diameters of pipe 3 heads, so shown in the A of Fig. 7, the inner peripheral surface diameter of enlarged tube 3.So apply the axial compressive force shown in arrow a1, the a2 to managing 3.
After if drift 39 travels forward again, owing to shown in the B of Fig. 7, compressed the clout portion 19 that produces to be pressed to peripheral direction, so between pressing plate 21 and vibrating part 2, produce gap S.The reamer 17 of vibrating part 2 and be formed at the formation that reamer 38 on the pressing plate 21 helps the gap.Drift 39 travels forward again then, and vibrating part 2 is subjected to the extruding of the base portion 45 of drift 39, and gap S disappears, and vibrating part 2 is closely contact between drift 39 and pressing plate 21.So clout portion 19 forms the triangular hill corresponding with reamer 17 and reamer 38.
On the other hand, manage the horn mouth 44 that 3 openings, one side is utilized drift 39, make opening portion hole enlargement laterally, the wide diameter portion of pipe 3 is extended to the reamer 16 (B of Fig. 7) of vibrating part 2, forms horn mouth 18 on pipe 3.
Like this, utilize horn mouth 18 and clout portion 19 clamped flanges parts 2 at the two ends of through hole 5, vibrating part 2 is installed on the pipe 3.
More than, embodiments of the present invention are illustrated, but the present invention certainly carries out various variations on the basis of the technology of the present invention thought.
For example in the above-described embodiment, during shaping, make 7 location, the back side of vibrating part 2 with the clout portion 19 of pipe 3, but also can around pipe 3, make the flange-shape parts in advance or subsequently, or install in advance, replace clout portion 19, then the diameter of enlarged tube head.
In addition, be shaped with 2 operations in the above-described embodiment, but, also can 1 operation be shaped by selecting material, tonnage etc.
Flexible Application the present invention can be widely used in the pipe-fitting joint of air-conditioning equipment and the pipe-fitting joint of other fluid devices.
Joint component structure of the present invention, through hole front face side at connected element (vibrating part) is made reamer, make simultaneously the wide diameter portion after the tube head hole enlargement (horn mouth) is cooperated with above-mentioned reamer, in the through hole back side of connected element one side, make the bump that makes the pipe outer circumferential face outwards outstanding, by these wide diameter portions and the bump parts that are clamped and connected, connected element is installed on the pipe, so can prevent to worry under for example soldering (brazing) situation problem of escape of liquid.
In addition, above-mentioned joint component structure in the back side one side of the above-mentioned connected element of above-mentioned through hole, is made the reamer that makes the through hole hole enlargement, owing to make the above-mentioned bump of aforementioned tube outstanding to this reamer, so bump is shaped when being shaped.
And then above-mentioned joint component structure is owing to making aforementioned tube and above-mentioned connected element with different materials, so the material of connected element and pipe can suitably be selected.
Joint component mould-forming method of the present invention, use pressing plate, by the pressing plate disposed tubes, according to the aforementioned tube inner face is shaped, make of the reamer hole enlargement of aforementioned tube head at above-mentioned connected element, form wide diameter portion, in the above-mentioned connected element back side one side, make the clout portion of pipe outstanding to the reamer of the connected element back side one side from the pipe peripheral part, form bump,, connected element is installed on the pipe by these wide diameter portions and the above-mentioned connected element of bump clamping, so only in forming process, just can be connected pipe with connected element, and can be installed in connected element on the pipe.Owing to,, shorten manufacturing time so can reduce manufacture cost without the soldering operation.
The mould-forming method of above-mentioned joint component, reamer is made at inserting hole position at the above-mentioned pressing plate relative with the through hole portion of the above-mentioned connected element back side one side, at the position that the reamer of the reamer of the above-mentioned connected element back side one side and above-mentioned inserting hole links to each other, make the clout of aforementioned tube outstanding, so clout portion not only can form in connected element one side, and in the formation of pressing plate one side, so can do big clout, thus make pipe become bigger to the fixing power of connected element.
The mould-forming method of above-mentioned joint component, the reaming part is made at inserting hole position at the above-mentioned pressing plate relative with the through hole portion of the above-mentioned connected element back side one side, the reamer that replaces the above-mentioned connected element back side one side, reamer at the inserting hole of above-mentioned pressing plate makes the clout of aforementioned tube outstanding, so can extensively select is to form clout portion in connected element one side, still forms clout portion in pressing plate one side.
Claims (6)
1. joint component structure, use has the connected element of through hole, tube head is connected on the described through hole, pipe is connected with connected element, it is characterized in that, form reamer in described through hole front one side, be provided with wide diameter portion at tube head, this wide diameter portion is cooperated with described reamer, form from the outwards outstanding bump of pipe outer circumferential face in the described through hole back side one side, utilize described wide diameter portion and the described connected element of bump clamping, connected element is installed on the pipe.
2. joint component structure as claimed in claim 1, wherein, one side forms described reamer at the through hole back side, makes the bump of described pipe outstanding to this reamer.
3. joint component structure as claimed in claim 1, wherein, the material of pipe and connected element constitutes with different materials.
4. the mould-forming method of a joint component, use has the connected element of through hole, tube head is connected on the described through hole, pipe is connected with connected element, it is characterized in that, form reamer in through hole front one side, make pipe be inserted into the inserting hole of pressing plate and the through hole of connected element by pressing plate, in the reamer of connected element, pass through the diameter of drift enlarged tube head, form wide diameter portion, make the clout portion of pipe outstanding, form bump in the connected element back side one side, utilize these wide diameter portions and the bump parts that are clamped and connected, connected element is installed on the pipe.
5. the mould-forming method of joint component as claimed in claim 4 wherein, forms reamer in the front of pressing plate inserting hole, forms reamer in the connected element back side one side, at the position that these 2 reamer are coincide, makes the clout portion of pipe outstanding.
6. the mould-forming method of joint component as claimed in claim 4 wherein, forms reamer in pressing plate inserting hole front, substitutes the reamer of the connected element back side one side, makes the clout portion of described pipe outstanding to the reamer of the inserting hole of described pressing plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP291177/2003 | 2003-08-11 | ||
| JP2003291177A JP4286613B2 (en) | 2003-08-11 | 2003-08-11 | Joint structure and molding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1580621A true CN1580621A (en) | 2005-02-16 |
| CN100491794C CN100491794C (en) | 2009-05-27 |
Family
ID=34368939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100558851A Active CN100491794C (en) | 2003-08-11 | 2004-08-05 | Joint part structure and joint part forming method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4286613B2 (en) |
| CN (1) | CN100491794C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102463302A (en) * | 2010-11-03 | 2012-05-23 | 郭国奇 | Water pipe interface molding device for automobile air-conditioner heater |
| CN104482339A (en) * | 2014-12-16 | 2015-04-01 | 博耐尔汽车电气***有限公司 | Air conditioner pipeline butt flange structure and installation method thereof |
| CN107588256A (en) * | 2016-07-08 | 2018-01-16 | 翰昂汽车零部件有限公司 | Plastic seal accessory |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110096650A (en) * | 2010-02-23 | 2011-08-31 | 주식회사 화승알앤에이 | Assembly of tube and socket, and method for manufacturing the same |
| JP2015190386A (en) * | 2014-03-28 | 2015-11-02 | アイシン高丘株式会社 | Intake/exhaust system piping for engine and method of manufacturing the same |
| CN113084019A (en) * | 2020-01-09 | 2021-07-09 | 重庆华超金属有限公司 | Expansion joint process and expansion joint structure |
-
2003
- 2003-08-11 JP JP2003291177A patent/JP4286613B2/en not_active Expired - Fee Related
-
2004
- 2004-08-05 CN CNB2004100558851A patent/CN100491794C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102463302A (en) * | 2010-11-03 | 2012-05-23 | 郭国奇 | Water pipe interface molding device for automobile air-conditioner heater |
| CN104482339A (en) * | 2014-12-16 | 2015-04-01 | 博耐尔汽车电气***有限公司 | Air conditioner pipeline butt flange structure and installation method thereof |
| CN107588256A (en) * | 2016-07-08 | 2018-01-16 | 翰昂汽车零部件有限公司 | Plastic seal accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005061492A (en) | 2005-03-10 |
| CN100491794C (en) | 2009-05-27 |
| JP4286613B2 (en) | 2009-07-01 |
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