Source: https://patents.google.com/patent/CN100400955C/en
Timestamp: 2020-04-08 16:18:13
Document Index: 302915011

Matched Legal Cases: ['art 155', 'art 155', 'art 155', 'art 155', 'art 155', 'art 155', 'art 55', 'art 55', 'art 55', 'art 55', 'art 51', 'art 55', 'art 55', 'art 155']

CN100400955C - Straight thread adjustable port end - Google Patents
Straight thread adjustable port end Download PDF
CN100400955C
CN100400955C CNB2004800050452A CN200480005045A CN100400955C CN 100400955 C CN100400955 C CN 100400955C CN B2004800050452 A CNB2004800050452 A CN B2004800050452A CN 200480005045 A CN200480005045 A CN 200480005045A CN 100400955 C CN100400955 C CN 100400955C
CNB2004800050452A
CN1754060A (en
P·里奇
H·V·帕特尔
帕克-汉尼芬公司
2003-02-25 Priority to US45005803P priority Critical
2003-02-25 Priority to US60/450,058 priority
2004-02-23 Application filed by 帕克-汉尼芬公司 filed Critical 帕克-汉尼芬公司
2006-03-29 Publication of CN1754060A publication Critical patent/CN1754060A/en
2008-07-09 Publication of CN100400955C publication Critical patent/CN100400955C/en
An externally threaded male hydraulic coupling member (20) adapted for threaded and sealed attachment to a port body (70) with a female port (71). The male coupling member (20) having a tubular member (35) with a threaded end (30), a bore (23) extending through the member (35), a first cylindrical peripheral undercut portion (60) longitudinally adjacent the threaded end (30), a series of intermediate external threads (55), and a second cylindrical undercut portion (34). The coupling member (20) having a seal member (40) and an annular ring member (45) located in peripheral sealing contact with the first undercut portion (60). Wherein upon attachment, the seal member (40) is encapsulated by the annular ring (45), the female port (71) and the first undercut portion (60) forming an annular chamber (80) having a longitudinal extent greater than the seal member (40) thickness. The coupling member (20) also having a lock nut (50) threadedly attached to the intermediate threads (55) with a longitudinal end (51) located between the annular ring (45) and the intermediate threads (55). The lock nut (50) having a longitudinal extent greater than the axial length of the intermediate threads (55) and the second undercut portion (34).
Straight thread adjustable port end
The present invention relates to accessory and be tightly connected, allow accessory to be in the accessory of any rotational position, for example ell simultaneously with respect to the aperture in particular to needs and spill aperture.
Hydraulic fittings is used in the system and commercial product of industry equipment, connects so that the anti-leak flowing full to be provided under various operation pressures.Such elbow fittings generally includes two outside thread ends, body portion, intermediate thread part, O shape circle, packing ring and locking nut.As the example that uses this accessory, an end of accessory can be attached on rigid conduit or the flexible conduit with the tight-lipped close fit of concave hole and the other end.Hydraulic industry relies on International Organization for Standardization, and for example Society of automotive engineers (SAE) exchanges so that accessory can be adjusted component with other to adjust design and size.
The Society of automotive engineers standard provides general specification and size standard for accessory.The patent specification US-A-3 of Schmoh1 has illustrated the example of this accessory in 240,515.The MANUFACTURER of accessory provides the recommendation that is used to suitably connect package technique for the end user.Yet in the process that accessory is installed on the component, accessory can be damaged, and causes to produce to reveal to connect.For the connection of not leaking is provided, O shape circle must suitably be sealed in the recess that is formed by packing ring, spill aperture and male fitment.
If the end user does not follow the recommendation package technique, then the part of the intermediate thread on the male fitment can make gasket deforms.The damage of packing ring has been disturbed recess and is provided leakage paths for compression fluid.The damage of packing ring also can cause the damage to O shape circle.If packing ring is towards the distortion of O shape circle, then it can be nicked in or cut O shape circle.The connection set pressure inside also can be pushed the packing ring that O shape circle for example is out of shape by the various openings in the recess.
If the end user does not follow the recommendation package technique once more, to such an extent as to then recess can not suitably hold O shape circle too for a short time.If the locking nut of accessory is not in its tram in installation process, then packing ring will limit recess.Restricted cavity will make O shape circle permanent deformation or help extrudes recess with O shape circle.Any situation all can cause leaking and connect.
More than this accessory is intended to use once.The accessory that can re-use can be connected on new pipeline or the different spill aperture.Damage to any parts of accessory will stop accessory to be re-used.Particularly, the damage to packing ring can cause it to be combined on the accessory body.Damage to O shape circle can cause permanent deformation and reduce the serviceable bife that O shape is enclosed.
According to an aspect of the present invention, be provided with a kind of coupling arrangement, described coupling arrangement have be suitable for the attached end of port body and with the second mutually attached end of the pipeline of system that will be used for industry equipment and commercial product.The present invention helps to prevent that the parts to coupling arrangement partly cause damage in installation process.
The invention is characterized in to be provided with a kind of convex hydraulic link member that described tubular member has outside thread first end, with respect to angled outside thread second end of described first end with extend to the hole of described second end from described first end with tubular member.Convex hydraulic link member further have described screw thread second end of vertical vicinity and have the first cylindrical peripheral bottom cutting portion of the homogeneous diameter of the minimum diameter that is slightly less than the described second end screw thread, vertically the contiguous described first cylindrical peripheral bottom cutting portion and have first vertically end and second vertically end middle male thread portion and vertically hold the second cylindrical undercut course part that extends longitudinally to shoulder from second of described intermediary outside helical thread portion with homogeneous diameter.Described coupling arrangement also has the sealing component that is placed with in described first cylindrical peripheral bottom cutting portion perimeter sealing contact, be placed with and around the described first cylindrical peripheral bottom cutting portion, closely contact and the annular ring member between first vertical end of described sealing component and described middle male thread portion, with be positioned at away from the annular ring member side of described sealing component and have by thread attachment vertically end and second locking nut of vertically holding of first on the male thread portion in the middle of described.First of described locking nut is vertically held between first of annular ring member and described middle male thread portion vertically held.
Another feature of the convex hydraulic link member of being mentioned has and equals second cylindrical undercut course part and the intermediate thread combination line shaft partly longitudinal length to the locking nut of length at least.Another feature has reusable coupling member.
Another feature has and is suitable for being attached to above-mentioned convex hydraulic link member on the port body with spill aperture by screw thread and sealing again, and described spill aperture has the inside gradually thin oral area of incorporating in the interior threaded hole part.When convex hydraulic link member is attached on the spill aperture, then formed doughnut, wherein sealing component is by annular ring member, gradually thin oral area and the sealing of the first cylindrical peripheral bottom cutting portion.Another feature comprises the doughnut that has greater than the longitudinal length of sealing component thickness.
Another feature of convex hydraulic link member is to have to be fully retracted the locking device that moves between the position and the second complete mounting point first, be fully retracted the position described first, second vertically end and shoulder in abutting connection with contacting, in the described second complete mounting point, first vertically holds in abutting connection with the annular ring member.Locking nut also can be fully retracted position and the middle outside thread of the second complete installed position covering series first.
Another feature comprises and forms the method that hydraulic pressure connects, wherein above-mentioned convex hydraulic link member by thread attachment on port body with spill aperture.This method comprises aforesaid convex hydraulic link member and spill aperture is set, and is attached to described convex hydraulic link member on the described spill aperture and therefore is formed for the doughnut of close encapsulation member.Described method also comprises convex hydraulic link member is placed to required angular orientation and further fastening locking nut so that the sealing doughnut.The further feature of described method comprises unclamps locking nut, convex hydraulic link member and the disengagement of spill body are connected and form further the connection with another port body.
By the example in the accompanying drawing the present invention has been carried out graphical illustration, in described accompanying drawing:
Fig. 1 is the partial cross section view according to the accessory of prior art that is illustrated in before installing;
Fig. 2 is illustrated screw thread to insert the partial cross section view that receives the prior art accessory in the aperture;
Fig. 3 is the partial cross section view that is illustrated the prior art accessory that screws out its perfect thread link position;
Fig. 4 is illustrated the partial cross section view of the prior art accessory of assembling fully;
Fig. 5 is the partial cross section view according to accessory of the present invention that is illustrated in before installing;
Fig. 6 is illustrated screw thread to insert the partial cross section view according to accessory of the present invention that receives in the aperture;
Fig. 7 is illustrated the partial cross section view according to accessory of the present invention that screws out its perfect thread link position;
Fig. 8 is illustrated the partial cross section view according to accessory of the present invention of assembling fully;
Fig. 9 is the front elevation of prior art accessory, and the described front elevation of part is a cross-sectional view; With
Figure 10 is the front elevation according to accessory of the present invention, and the described front elevation of part is a cross-sectional view.
Referring to Fig. 1-Fig. 4, there is shown the prior art design of adapter armature 120.Adapter armature 120 has threaded port end 130, body 135 (part illustrates), seal with O ring spare 140, supporting bead 145 and is threaded onto locking nut 150 on the intermediate thread part 155.Between threaded port end 130 and intermediate thread part 155 is the bottom cutting portion 160 that receives packing ring 145 and O shape circle 140.Top bottom cutting portion 134 is set between intermediate thread part 155 and the body 135.Fig. 1 shows the accessory 120 before installation.
Fig. 2 shows, and screw thread inserts aperture 170 interior accessories 120 afterwards.Accessory 120 is inserted in the aperture 170 until packing ring 145 by screw thread and rests on the top of port body 170 and therefore O shape circle 140 is enclosed in the recess 180 of formation bottom cutting portion 160 in.Accessory as required by " back-out " up 1 whole circle, is used for the opposite end (not shown) of accessory 120 is carried out suitable alignment or orientation, as shown in Figure 3 subsequently.Fig. 4 shows complete assembling position.In this position, locking nut 150 has been tightened on intermediate thread part 155 until its bottom 151 and packing ring 145 contiguous contacts, described packing ring and then mobile to contact with the top of port body 170 is contiguous is implemented in the sealing of the O shapes circle 140 in the recess 180 thus.
The shortcoming of the prior art design of Fig. 1-shown in Figure 4 is in the initial assembling stage that accessory 120 is assembled in the aperture 170 in, and locking nut 150 extension always reaches the bottom thread 157 of intermediate thread part 155 or in its lower section.The result is, the bottom thread 157 of intermediate thread part 155 can contact packing ring 145 and make packing ring 145 be out of shape (as shown in Figure 2) downwards and enter in the recess 180 of formation.This distortion is by 147 expressions of the reference character among Fig. 2, Fig. 3 and Fig. 4.
As shown in Figure 4, the packing ring 145 of distortion will not provide the suitable sealing of recess 180, and therefore leakage paths is provided.This distortion can be by damaging the sealability of O shape circle 140 with respect to undercut portions 160 extrusion O shape circles 140.Distortion also makes the internal diameter of packing ring 145 and the gap between the undercut portions 160 broaden.In operation, the hydrodynamic pressure in the endoporus 122 can be extruded recess 180 with O shape circle 140 by this gap.Under extreme case, the available volume of O shape circle 140 is fully reduced by distortion in the recess 180, thereby causes the damage of excessive filling and O shape circle 140.The distortion of packing ring 145 also overslaugh the reusability of accessory 120.
The present invention is shown among Fig. 5-Fig. 8 and the accessory 20 that has overcome the shortcoming relevant with the prior art design is shown.Accessory 20 has the threaded port end 30 similar to prior art accessory 120, O shape circle 40 and packing ring 45.Accessory 20 has used the locking nut 50 with longitudinal length bigger than prior art nut 150.Bottom cutting portion 60 has the longitudinal length longer than the longitudinal length of prior art undercut portions 160.Intermediate thread part 55 is separated bottom cutting portion 60 and top bottom cutting portion 34.Locking nut 50 bigger length equate with the pattern length of intermediate thread part 55 and top undercut portions 34 or greater than described pattern length.
Fig. 6 shows the accessory 20 after initial thread inserts in the recess 71 in aperture 70.In this step, accessory 20 is inserted in the recess 71 by screw thread and rests on the top of port body 70 until packing ring 45.The bottom 51 of locking nut 50 forms with the upper surface of packing ring 45 and produces any contact between the lower thread 57 that contacts and prevent packing ring 45 and intermediate thread part 55.Before screwing out in order to alignment, the packing ring 45 between the bottom surface 51 that further the tightening of accessory 20 only is squeezed in locking nut 50 and the top surface in aperture 70, and do not make packing ring 45 distortion.Therefore, the buffering that is provided by the bottom 51 of locking nut prevents that packing ring 45 from producing any distortion, has stoped any infringement to the sealability of recess 80 inside that form thus.Particularly, because packing ring 45 do not produce distortion, O shape is enclosed 40 and is completely enclosed within the recess 80 by packing ring 45, accessory 20, port body 70 and threaded joints 99.And because packing ring does not produce distortion, so O shape circle 40 is not subjected to the physical damage of packing ring 45.
Referring to Fig. 8, as utilizing the prior art design, (or orientation) becomes its desired location in case accessory 20 has alignd, then locking nut 50 is fastened to the top that is arranged in the lower surface contact port body 70 of recess 80 and packing ring 45 on the intermediate thread part 55 until O shape circle 40 by spanner, and the suitable sealing in the recess 80 is provided.Have the bottom part 51 that is positioned at bottom cutting portion 60 although should be noted that locking nut 50, the volume in the recess 80 does not suffer damage.Bottom cutting portion 60 is extended (vertically) so that between packing ring 45 and threaded port end 30 identical fore-and-aft distance is set.Therefore, O shape circle 40 is not subjected to pinching on any degree greater than the prior art degree.Recess 80 has roughly identical with the volume of prior art recess 180 volume, so that suitable sealing is provided.Because bottom cutting portion 60 is extended, so the bottom 51 of locking nut has enough distances to place between packing ring 45 and the intermediate thread part 55.
Referring to Fig. 9-Figure 10, because vertical total length (reference character 95) of accessory 20 keeps with of the prior art identical, so top bottom cutting portion 34 can move up so that compensate the elongation of bottom bottom cutting portion 60.By keeping identical longitudinal length 95, the orifice distance at two ends needn't change.
Referring to Fig. 2 and Fig. 6, the present invention has guaranteed that the screw thread on the locking nut 50 always contacts with intermediate thread part 55.This provides best possible fastening means and has guaranteed that bottom thread 57 can not contact packing ring 45.In the prior art, owing to accessory 120 can move further in the recess 180, so intermediate thread part 155 may not engage with locking nut 150 fully.So the intensity that makes engage threads minimizes and because whole torsion are not to be distributed to spread all over whole thread surface, therefore improved the possibility with super torsional shear screw thread.
Refer again to Fig. 8, another feature of the design comprises the maintenance area that nut 50 increases.Nut 50 has usually is convenient to the outer surface that engages with spanner.For example, nut 50 can have the outer surface that comprises the plane of taking spanner.Because nut 50 is extended, the maintenance area that therefore is used for spanner has increased.
Another feature of the design comprises accessory 20 being fit into the simplification of the process in the port body 70.Referring to Fig. 1, in the prior art, setter has to guarantee that locking nut 150 raises so that it contacts with the shoulder 137 of body 135.This step is necessary to guarantee that recess 180 does not reduce.For example, if do not raise in the initial back locking nut 150 of installing, contact but form the bottom with packing ring 145, then it deeper pushes O shape circle 140 in the recess 180, and the volume of recess 180 is minimized.Because the locking nut 50 among the present invention is longer than prior art nut 150 in the vertical, so it contact with body 35 and need rising before initial the installation.This has simplified mounting process and has guaranteed that recess 80 is not minimized.
1. one kind is suitable for screw thread and sealing and is attached to outside thread convex hydraulic link member (20) on the port body (70) with spill aperture (71), described spill aperture (71) has the inside gradually thin oral area of incorporating in the internal whorl bore portion, and described convex hydraulic link member (20) is characterised in that:
Has the tubular member at two ends (35) at least, outside thread second end (30) that comprises first end (25) and be suitable for engaging with the internal whorl bore portion of described port body (70), described convex hydraulic link member (20) have with respect to the angled longitudinal axis of described first end (25), extend through the hole (23) of described tubular member (35) from described first end (25) to described second end (30), vertical first cylindrical peripheral bottom cutting portion (60) that is close to described outside thread second end (30) and has the homogeneous diameter of the minor diameter that is slightly less than described second end (30) screw thread, the vertically contiguous described first cylindrical peripheral bottom cutting portion (60) and have first vertical vertical a series of middle outside thread (55) of end of end (57) and second, vertically hold second cylindrical undercut course part (34) that extends longitudinally to shoulder (37) with homogeneous diameter from second of described middle outside thread (55);
The sealing component (40) that is positioned at the described first cylindrical peripheral bottom cutting portion (60) and contacts with its periphery sealing;
Be placed to that closely periphery is inner contacts and be positioned at annular ring member (45) between described sealing component (40) and externally threaded first end in described centre (57) with the described first cylindrical peripheral bottom cutting portion (60), wherein after described convex hydraulic link member (20) is attached on the described spill aperture (71), then formed doughnut (80), wherein said sealing component (40) is by annular ring member (45), described inwardly gradually thin oral area and the sealing of the described first cylindrical peripheral bottom cutting portion (60); With
Be positioned at away from annular ring member (45) side of described sealing component (40) and have by thread attachment vertically end (51) and second locking nut (50) of vertically holding of first on the outside thread (55) in the middle of described, when described locking nut (50) described second vertically end be in when being fully retracted the position with respect to outside thread (55) in the middle of described, its with described shoulder (37) in abutting connection with contact, and described locking nut described first vertically end (51) extend axially and exceed described a series of centres outside thread (55).
2. convex hydraulic link member according to claim 1 (20), wherein after on the sealed described spill aperture that is attached to described port body (70) of described convex hydraulic link member (20), described locking nut (50) described second vertically end is spaced apart with described shoulder (37), and described locking nut described first vertically end (51) contact with annular ring member (45) adjacency.
3. convex hydraulic link member according to claim 1 (20), wherein said locking nut (50) can be fully retracted between the position and the second complete mounting point first and move, be fully retracted the position described first, described second vertical end contacts with described shoulder (37) adjacency, in the described second complete mounting point, described first vertically holds (51) in abutting connection with annular ring member (45).
4. convex hydraulic link member according to claim 3 (20), wherein said locking nut described first vertically end (51) be fully retracted position and the described second complete mounting point described first and be positioned between described centre outside thread (55) and the annular ring member (45).
5. convex hydraulic link member according to claim 3 (20), wherein said locking nut (50) described first be fully retracted position and the described second complete mounting point cover described a series of in the middle of outside thread (55).
6. convex hydraulic link member according to claim 1 (20), the longitudinal length of wherein said locking nut (50) equal the combination axial overall length of described second cylindrical undercut course part (34) and described middle outside thread (55) at least.
7. convex hydraulic link member according to claim 1 (20), described first of wherein said locking nut vertically holds (51) always to be positioned between annular ring member (45) and the described middle outside thread (55) with respect to outside thread (55) in the middle of described, and does not consider the lengthwise position of described locking nut (50).
8. convex hydraulic link member according to claim 1 (20), the longitudinal length of wherein said doughnut (80) is greater than the thickness of described sealing component (40).
9. convex hydraulic link member according to claim 1 (20), wherein said first end (25) has outside thread.
10. convex hydraulic link member according to claim 1 (20), wherein said two ends at least comprise described first end (25), described second end (30) and with vertical coaxial the 3rd shared end of described first end, and described hole (23) extend through described the 3rd end.
11. convex hydraulic link member according to claim 10 (20), wherein said first end (25) and described the 3rd end have outside thread.
12. convex hydraulic link member according to claim 1 (20), wherein said convex hydraulic link member (20) is reusable.
13. one kind forms the method that hydraulic pressure connects (99), its camber hydraulic link member (20), be is characterized in that on the port body with spill aperture (70) by thread attachment:
Setting comprises having the described convex hydraulic link member (20) of the tubular member at two ends (35) at least, comprises first end (25), with respect to angled outside thread second end (30) of described first end (25), extend through the hole (23) of described tubular member (35) from described first end (25) to described second end (30), vertical first cylindrical peripheral bottom cutting portion (60) that is close to described screw thread second end (30) and has the homogeneous diameter of the minor diameter that is slightly less than described second end (30) screw thread at least, the vertically contiguous described first cylindrical peripheral bottom cutting portion (60) and have first vertical vertical a series of middle outside thread (55) of end of end (57) and second, vertically hold second cylindrical undercut course part (34) that extends longitudinally to shoulder (37) with homogeneous diameter from second of described middle outside thread (55); Described convex hydraulic link member (20) further comprises and being configured to and sealing component (40) that the sealing of the described first cylindrical peripheral bottom cutting portion (60) periphery contacts, contact with the outer surface periphery of the described first cylindrical peripheral bottom cutting portion (60) and be positioned at described sealing component (40) and described centre externally threaded first and vertically hold annular ring member (45) between (57), and have by thread attachment in the middle of described on the outside thread (55) be positioned at annular ring member (45) and described in the middle of the vertical vertical locking nut (50) of end of end (51) and second of first between the outside thread (55), and the longitudinal length of described locking nut (50) equals the partly combination axial overall length of (34) and described middle outside thread (55) of described second cylindrical undercut course at least;
Setting has the inwardly described spill aperture of gradually thin oral area of incorporating in the tapped hole part;
Described screw thread second end (30) of described convex hydraulic link member is attached in the described tapped hole part in described spill aperture (71) and is formed for sealing the doughnut of described sealing component (40);
Described first end (25) of described convex hydraulic link member (20) is arranged to required angular orientation; And
Tighten described locking nut (50) so that seal described doughnut (80), described doughnut (80) has the longitudinal length greater than described sealing component (40) thickness, and annular ring member (45) vertically holds (51) in abutting connection with contacting with described first of described sealing component (40) and described locking nut.
14. method according to claim 13 further may further comprise the steps:
Unclamp described locking nut (50);
Described convex hydraulic link member (20) is thrown off with described port body (70) to be connected; And
Utilize method step as claimed in claim 13 to form further the connection with another port body with spill joint.
CNB2004800050452A 2003-02-25 2004-02-23 Straight thread adjustable port end CN100400955C (en)
US45005803P true 2003-02-25 2003-02-25
US60/450,058 2003-02-25
CN1754060A CN1754060A (en) 2006-03-29
CN100400955C true CN100400955C (en) 2008-07-09
ID=32927606
CNB2004800050452A CN100400955C (en) 2003-02-25 2004-02-23 Straight thread adjustable port end
US (1) US7070208B2 (en)
EP (1) EP1627175B1 (en)
JP (1) JP2006518833A (en)
KR (1) KR100990296B1 (en)
CN (1) CN100400955C (en)
AT (1) AT498091T (en)
BR (1) BRPI0407528B1 (en)
CA (1) CA2513827C (en)
DE (1) DE602004031332D1 (en)
MX (1) MXPA05008060A (en)
WO (1) WO2004076908A1 (en)
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JP2002054785A (en) * 2000-08-10 2002-02-20 Hajime Sangyo Kk Connecting structure of resin pipe
2003-12-17 US US10/738,723 patent/US7070208B2/en active Active
2004-02-23 BR BRPI0407528A patent/BRPI0407528B1/en not_active IP Right Cessation
2004-02-23 DE DE200460031332 patent/DE602004031332D1/en active Active
2004-02-23 EP EP20040713757 patent/EP1627175B1/en active Active
2004-02-23 AT AT04713757T patent/AT498091T/en not_active IP Right Cessation
2004-02-23 JP JP2006503793A patent/JP2006518833A/en active Pending
2004-02-23 CN CNB2004800050452A patent/CN100400955C/en active IP Right Grant
2004-02-23 WO PCT/US2004/005269 patent/WO2004076908A1/en active Application Filing
2004-02-23 MX MXPA05008060A patent/MXPA05008060A/en active IP Right Grant
2004-02-23 CA CA 2513827 patent/CA2513827C/en active Active
2004-02-23 KR KR1020057015630A patent/KR100990296B1/en active IP Right Grant
JP2006518833A (en) 2006-08-17
CA2513827C (en) 2011-11-01
CA2513827A1 (en) 2004-09-10
US7070208B2 (en) 2006-07-04
KR20050101562A (en) 2005-10-24
EP1627175B1 (en) 2011-02-09
EP1627175A1 (en) 2006-02-22
BRPI0407528B1 (en) 2017-05-30
DE602004031332D1 (en) 2011-03-24
WO2004076908A1 (en) 2004-09-10
AT498091T (en) 2011-02-15
BRPI0407528A (en) 2006-02-14
CN1754060A (en) 2006-03-29
MXPA05008060A (en) 2005-09-21
US20040164548A1 (en) 2004-08-26
KR100990296B1 (en) 2010-10-26
EP1235023B1 (en) 2014-02-26 Coupling assembly