CN1242064A - Quick connector with visual indicator - Google Patents
Quick connector with visual indicator Download PDFInfo
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- CN1242064A CN1242064A CN 96180558 CN96180558A CN1242064A CN 1242064 A CN1242064 A CN 1242064A CN 96180558 CN96180558 CN 96180558 CN 96180558 A CN96180558 A CN 96180558A CN 1242064 A CN1242064 A CN 1242064A
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Abstract
A quick connection conduit assembly for conduit connection includes an inserting socket (210) of an inserting pipe (200) that can be inserted by hand, wherein, the socket (210) is mounted with a fixed indicator (20). The fixed indicator (20) includes an inner indicator ring (24), an outer indicator ring (23) and one or more arm embers (22) for connecting the inner indicator ring (24) to the outer indicator ring (23). In the inserting socket (210) of the inserting pipe (200), the flange (218) of the pipe (200) presses the inner indicator ring (24) to draw it into the socket (210) and make the outer indicator ring (23) press the outer end of the socket (21) till the arm member (22) of the fixed indicator (20) is cut off. The cut off outer indicator ring (23) indicates that the inserting pipe (200) is already correctly fixed in the socket (210).
Description
The application be pendent be the series application of PCT/US95/12282 application in September 26 nineteen ninety-five application, application number, at this, fully in conjunction with quoting.
The present invention relates generally to the pipe joint that a kind of fluid flows through.Particularly, the present invention relates to a kind of with insertion tube be buckled in the dimple quick connector with comprise that one is confirmed that the such of correct link indicator is connected.
In automotive industry (also comprising other industry), always require member low-cost, reliable and that easily assemble.Obviously, for especially this needs being arranged as the connection between the fluid-transporting tubing of fuel, braking or refrigerant lines.This connection is normally by using inipple, oviduct T-joint or by screw flange, realizes in the dimple and insertion tube is buckled in.
At present, used and the traditional method of various snap-fasteners replacements that is connected the retainer combination fast.These quick connectors have a plurality of flexible pillars usually, and these pillars engage with annular flange flange on the insertion tube, and also engage with the following grooving that forms in the socket.Two kinds of such examples are " the quick connector assembly that can swing " in denomination of invention, the US4601497 of promulgation was " high temperature is connected the quick connector swung of usefulness " with denomination of invention on July 22nd, 1986, in the US4778203 of promulgation on October 18th, 1988, disclosed, these two inventions are invented by the inventor, quote in this combination.Another kind of quick connector has a flat retainer and centers on a pair of annular arm spare of its extension, and arm spare is radially bending.Other quick connectors of inventor invention by respectively on June 25th, 1985 and promulgation on January 23rd, 1984, denomination of invention is among the US4524995 of " the quick connector assembly that can swing " and the US4423892 and discloses, at this, these two combined quoting of patent.
At present, the research of the inventor aspect quick connector makes progress, and has promptly found a kind of quick connector insertion tube assembly correctly to be fixed in system in the socket.Pendent application PCT/US95/12282 has set forth this system, and this application exercise question is " having the quick connector of confirming feature ".According to this invention, have the relative by this way insertion tube of the connector location of easy abscission ring, promptly when setter was mobile towards recessed cover, along with setter is exerted pressure so that insertion tube is engaged with recessed cover, the ring portion of indicator disconnected.Because setter is applied to ring portion continuously with pressure, its dialysis connector body like this, along the new position of inserting pipe, confirms that insertion tube engages with recessed cover fully by it.
Quick connector of the present invention has that retainer part (insertion portion is combined with insertion portion) is arranged in the insertion portion (application PCT/US95/12282 that quoted with this paper, pendent " have the quick connector of confirming part " in the relative part of insertion portion) and the affirmation part has two rings.The outer shroud of one of ring is described in front, and another loop mapping drives in the inboard of retainer and by the flange on the insertion tube.Because insertion tube is installed in the inboard of socket, the bluff piece in the socket on the retainer is pushed open by the flange on the insertion tube.Along with the flange on the insertion tube pushes these bluff pieces, on flange pushes away and encircles in this.Insertion tube (with its flange) is installed in the socket darker, causes that at last outer shroud is from disconnecting with two one or more arm spares of being connected of ring.
Above-mentioned assembly provides a kind of improvement of quick connector assembly, but other improvement and change may and hope.
According to the present invention, a preferred embodiment of coupling piece comprises a retainer that has indicator.Indicator is that setter confirms that insertion tube correctly is engaged in the recessed cover.
The present invention includes an indicator assemblies, be made of a pair of spaced apart parallel ring, ring connects by the one or more arm spares that are vertically positioned between the ring.Be arranged on one of ring in the retainer and be interior ring.Another ring that is arranged on the retainer outside is outer shroud.An end of each in one or more arm spares can disconnect from outer shroud.
Interior ring is arranged in the retainer.Retainer is arranged in socket.Indicator comprises ring in, and interior ring has the one or more elastic arm spares that stretch out from it.In the end of each arm spare is easily broken zone, and each arm spare (if use with upper arm member time) and interior ring are separated, and interior ring has big external diameter, is enough to open the end by recessed cover and stops.
Insertion tube comprises a chamfered end, radial flange and forming so that the reduction zone of excellent sealing to be provided between chamfered end and radial flange.When inserting the chamfered end of insertion tube in the recessed cover, the reduction zone is passed through between the bluff piece of retainer easily.Yet when radial flange passed through between bluff piece, bluff piece was forced to open, and moved to the inboard of bluff piece to allow radial flange.Along with the generation of this phenomenon, under the resilient force of the elastic arm spare that links to each other with bluff piece, bluff piece returns its home position rapidly.Simultaneously, radial flange engages with the outer surface of the interior ring of indicator assemblies, forces it inwardly towards the inboard.Indicator assemblies belongs to the dicyclo type, and along with insertion tube inserts in the recessed cover, outer shroud is drawn on the end surfaces that leans against recessed cover, and ring moves inward towards the inboard in forcing.At certain a bit, outer shroud disconnects from arm spare, like this, locatees along insertion tube by existing outer shroud, shows and has finished correct connection.
Between the end of retainer locking bluff piece (return elastically radial flange back on the insertion tube by bluff piece, this bluff piece keeps insertion tube) and preceding retainer ring (the elastic arm spare of installation retainer bluff piece is fixed against this), extra length is arranged preferably.This can realize simply by changing bluff piece.
Adopt this extra length, now, setter has an extra length to be shifted insertion tube in the recessed cover onto, helps outer shroud to disconnect and enter the pipe from arm spare, and ring is along the mobile length space of connector axis (radial flange front portion) in allowing.
The present invention has overcome some shortcomings relevant with the assembly of quick connector.Particularly, retainer is made by metal or plastics, and this is the possibility of best material with regard to use is provided with regard to work.Indicator (preferably being made of plastics) assembly is easily made at low cost.In addition, indicator assemblies easy operating and do not influence insertion tube and be installed in the recessed cover.
Therefore, an object of the present invention is to provide a kind of quick connector that can manually insert, comprise one can be fast with clearly confirm the correct indicator that be connected of insertion tube in recessed cover.
Another object of the present invention provides a kind of quick connector of being made by the minimal amount parts.
Another purpose of the present invention provides a kind of relatively cheap indicator of making.
Further aim of the present invention provides a kind of quick connector, and this connector can be the part of connecting tube.
Another purpose of the present invention provides a kind of quick connector, but this connector has an open loop, is connecting the correct back unlatching that realizes.
Other purposes of the present invention and advantage will be below with reference to becoming more apparent in the description of the drawings and claims of enclosing.
Above-mentioned advantage of the present invention and other advantages are for those skilled in the art, and are clearer at the claim postscript of having read specification with reference to the accompanying drawings and add.
Fig. 1 illustrates the sectional view of plastics made cage of the present invention, and the indicator assemblies of a plastics made cage is positioned at wherein,
Fig. 2 illustrates the 2nd embodiment's of metallic retainer of the present invention sectional view, and the plastics system indicator assemblies of a change is positioned at wherein,
Fig. 3 illustrates the perspective view of indicator assemblies of the present invention,
Fig. 4 illustrates the sectional view of quick connector of the present invention and insertion tube, socket and the assembling of plastics made cage wherein, indicator assemblies is positioned in the retainer,
Fig. 5 illustrates the sectional view that is similar to Fig. 4, but being shown, insertion tube is fixed in the socket,
Fig. 6 illustrates the sectional view of quick connector of the present invention and insertion tube, socket and the assembling of metallic retainer wherein, indicator assemblies is positioned in the retainer,
Fig. 7 illustrates the sectional view that is similar to Fig. 6, is fixed in the socket but insertion tube is shown.
Usually, the present invention relates to a kind of quick connector pipe assembly, comprise that is assembled with the fixedly retainer of indicator.Fixedly indicator comprises one and the isolated interior ring of outer shroud, by at least one arm spare these rings is interconnected.Outer shroud can disconnect from arm spare.When being fixed in insertion tube in the socket, arm spare is further recessed in recessed cover, and outer shroud disconnects from parts, thereby confirms correct the connection.In the 1st embodiment, retainer is made of plastics.In another embodiment, retainer is made of metal.
Socket can have all kinds, comprises being formed by deep-draw, thin walled structures and injection moulding.
The present invention is applicable to that the pipe as being arranged between fuel, water or the oil-way system member connects.The present invention also can be used for plastics or metallic conduit, and as the pendent Application No. 08/503454 of inventor, the invention exercise question is for connecting the such pipeline of device of non-helical link.
More particularly, connector of the present invention also can be used for outer oil circuit and flexible pipe just automotive fuel and cooling system.Connector of the present invention also can be used for as the vehicle fuel system between fuel tank and the petrolift, vaporizer or fuel injection system.Be used in automobile especially, connector of the present invention also can be used in fact anyly protruding and recessed fluid to be carried the place that circuit is connected.
With reference to Fig. 1, show the sectional view of plasticity retainer assembly 10.According to Fig. 1 embodiment's retainer assembly 10 by polymeric material for example plastics make.Ring 12 before retainer assembly 10 comprises, preceding ring 12 middle parts are provided with the middle through hole 13 that passes for insertion tube.
Fig. 2 illustrates another embodiment's of retainer assembly of the present invention sectional view, and this retainer assembly is represented with sequence number 30.Retainer assembly 30 in the present embodiment is made of metal, and encircles 32 before it comprises one, is formed centrally the through hole 33 that insertion tube passes through in the preceding ring 32.
At least one arm 34 encircles 32 places in the past and stretches out, but shown in such arm 34 figure 3.As diagram, porose on the arm spare 34, so that when keeping lock pawl 36 to have enough stability, increase the elasticity of arm 34.Each arm 34 comprises an outside, recessed cover contact jaw (or bending area) 36.Shown in Fig. 6 and 7, outer end 36 is used to lean against the internal surface of recessed cover.
Bluff piece 37 inwardly is suspended on the end 36.Retainer embodiment as shown in Figure 1, arm 34 can be toward or away from a direction bending of shown position.Each bluff piece 37 terminates in inner 38.
Indicator assemblies 40 roughly is positioned in the retainer assembly 30.Indicator assemblies 40 preferably by polymeric material for example plastics make.Assembly 40 comprises an indicator arm 42, external indicator ring 43 and internal indicator ring 44.By one section easily broken regional 47, external indicator ring 43 is detachably connected on the indicator arm 42.The internal diameter 49 of external indicator ring 43 is greater than the flange outside diameter on the insertion tube, thereby the permission insertion tube is by outer shroud 43.
As diagram, arm 42 is substantially perpendicular to internal indicator ring 44.Only show an arm 42 among the figure, but such arm can be 2 or a plurality of.The middle part of internal indicator ring 44 is provided with the through hole 46 that passes through for insertion tube.
Fig. 3 illustrates the perspective view of an exemplary embodiments of indicator assemblies 100 of the present invention.Preferably also by polymeric material for example plastics make " indication explanation " indicator assemblies 100 can be as with reference to the indicator assemblies 20 and 40 that illustrates shown in Fig. 1 and 2.Assembly 100 consists essentially of the various features of assembly 20 and 40.Fig. 1 and 2 and Fig. 3 embodiment are topmost differently to be to aim at and to middle joint, used joint is aimed at and centerings indicator 20 and 40 in Fig. 1 and 2, after this joint is hidden in front pointer ring 24 in Fig. 1, and is represented by sequence number 45 among Fig. 2.Aligning joint member such among Fig. 3 is represented with sequence number 105.
Fig. 4 illustrates insertion tube 200 of the present invention, and is spaced apart with the socket 210 of signal.Socket includes the plasticity retainer assembly 10 with reference to Fig. 1 explanation.Insertion tube 200 is elongated cylindrical parts, comprise a pipe fitting 212 that forms chamfered end 214 on it, one dwindles zone 216 (be used to improve the sealing with the socket seal part, these will be described hereinafter) and is formed on the Pipe Flange 218 that the intended distance place is arranged with chamfered end 214.Insertion tube 200 can be made by plastics or metal.The fluid circuit that insertion tube 200 is used as fuel, braking or refrigeration system in automobile or the similar device.Therefore, insertion tube 200 must be fastened in the socket 210 firmly.
Socket 210 includes the external member 220 of end 222, radially Suo Jian shoulder 224 and pipe stabilized end 226.External member 220 can be made by metal or plastics class polymeric material.Preferably, recessed external member 220 belongs to the deep-draw type, is to make by drawn metal or other materials.
In socket 210, also have lining 228 and O type ring 230.Be to be understood that O type ring 230 is used to seal, it can be by constituting as a pair of O type ring that is separated by the packing ring (not shown).(also should be more than one at this) lining 228 is annular and is preferably limited by the wall that forms corrugated tile (pentilateral) section configuration.Lining 228 is used for insertion tube 200 " guiding " is gone into socket 210.Lining 228 is made by plastics or metallic material.O type ring 230 is preferably made by elastic material such as rubber.Lining 228 and O type ring 230 is sealing and supporting member, and structure even its number of lining and O type ring can change as required, so that provide suitable fluid seal assemblies for inserting member and socket.
Fig. 5 illustrates the insertion tube 200 that is fixed in the socket 210.External indicator ring 23 disconnects from indicator assemblies 20, and this shows: insertion tube 200 suitably is sealed in the socket 210.The following describes the process that insertion tube 200 and socket 210 successfully are connected.
The setter (not shown) is caught insertion tube 200 that chamfered end 214 (Fig. 4) is passed the hole 112 of outer duct ring 23 and is inserted in the socket 210.The diameter that the chamfered end 214 reduction zones 216 adjacent with it are had, make insertion tube 200 be easy to from bluff piece 16 opposed inner 17 between pass, and pass the through hole 13 of the preceding ring 23 of the through hole 26 of internal indicator ring 24 and retainer assembly 10.Yet the external diameter of flange 218 is greater than the internal diameter of all these passages.Therefore, along with flange 218 is pressed to the internal surface of bluff piece 16 ends 17, arm spare 14 is outwardly-bent, and then the internal diameter that end 17 is formed becomes enough big, thereby permission flange 218 therefrom passes through.In case flange 218 is by end 17, bluff piece 16 returns its non-bending position rapidly, and flange 218 (insertion tube 200 then) is locked in the socket 210.Operation period, flange 218 collides internal indicator ring 24 by behind the bluff piece 16.Because the internal diameter of through hole 26 is less than the external diameter of flange 218 and owing to through hole 26 does not expand, flange 218 presses the outer surface 28 of internal indicator ring 24 and moves forward with ring 24 fixed positions towards conduit 212.The external indicator ring 23 that is connected with internal indicator ring 24 by arm spare 22 also axially moves inward up to its internal surface with till the end 222 of recessed external member 220 contacts.When external indicator ring 23 arrives herein, because of encircle 23 with end 222 collision, ring 23 can not be moved further, and is designed to easily broken zone 27 and disconnects, like this, external indicator ring 23 is thrown off the surplus portion of indicator assemblies 20.Allow not to be subjected to the external indicator ring 23 of its constraint axially and vertically moving freely along conduit 212 now, so inform setter, insertion tube 200 correctly is fixed in the socket 210.
Also represent any cutting zone with sequence number 231 in Fig. 5, this zone can make ring 23 fractures and take off from conduit 212, anti-thus stop ring 23 vibrations or bounce or otherwise influence work.
Fig. 6 and Fig. 7 disclose the sectional view of quick connector of the present invention and insertion tube, have socket and the metallic retainer assembly 30 that is fixed in Fig. 2 wherein, are provided with the indicator assemblies 40 of location therein in the retainer assembly 30.Fig. 6 illustrates the member before insertion tube inserts, and Fig. 7 illustrates the member that then inserts.
Insertion tube of the present invention 200 shown in Fig. 6 and 7 ' with typical socket 210 ' alternate separating.Insertion tube 200 ' identical with a pair of like this member shown in the Figure 4 and 5 with socket 210 ' best (but being not what limit).Yet as diagram, the metallic retainer assembly 30 of socket 210 ' comprise is for shown in Figure 2 and discuss.One of insertion tube 200 ' comprise form chamfered end 214 ' pipe fitting 212 ', be used for the reduction zone 216 of seal socket Sealing (will be described hereinafter) ' and be formed on Pipe Flange 218 apart from chamfered end 214 ' intended distance place '.As a pair of member shown in the Figure 4 and 5, insertion tube 200 ' can make by metal or plastics.The fluid conduit systems of insertion tube 200 ' use as the fuel in automobile or the similar device, braking or refrigeration system.Therefore, insertion tube 200 ' must be fixed in firmly socket 210 ' in.
Referring again to this a pair of member shown in the Figure 4 and 5, socket 210 ' comprise have end 222 ' external member 220 ', radially reduce shoulder 224 ' and pipe stabilized end 226 '.External member 220 ' can make by metal or as the polymeric material of plastics.Best, recessed external member 220 ' belong to the deep-draw type is also made by drawn metal or other materials.
Referring again to the embodiment of Figure 4 and 5, O type ring 230 ' be positioned at socket 210 ', as lining 228 '.Lining 228 ' be used for insertion tube 200 ' " guiding " go into socket 210 '.Lining 228 ' make by plastics or alloy material (have the power of enough hoop intensity with the radially outward direction of the effect of bearing on it, promptly it can be along plastics or metal pipe fitting 212 ' be slidingly matched).O type ring 230 ' is preferably made by elastic material such as rubber.Lining 228 ' and O type ring 230 ' both are for sealing and supporting member, structure even its number of lining and O type ring can change as required, so that form the suitable fluid seal of inserting member and socket.Shown in Figure 4 and 5, to insertion tube 200 ' O type ring 230 ' in, simultaneously also be the restriction of in the liner zone, moving be by Fig. 6 in shoulder 226 ' inner diameter zone in external member 220 ' finish, promptly only by pipe fitting shown in Figure 7 212 ' chamfered end 214 ' the right side finish.
The setter (not shown) catch the through hole 49 of insertion tube 200 ' chamfered end 214 ' (Fig. 6) is passed external indicator ring 43 insert sockets 210 ' in.The diameter in the reduction zone 216 of chamfered end 214 ' adjacent ' had with it, make insertion tube 200 ' be easy to from bluff piece 37 opposed inner 38 between pass, and pass the through hole 33 of the preceding ring 32 of the through hole 46 of internal indicator ring 44 and retainer assembly 30.Yet, flange 218 ' external diameter greater than the internal diameter of all these passages.Therefore,, make arm spare 34 outwardly-bent along with flange 218 ' press to the internal surface of bluff piece 37 ends 38, enough big thereby the internal diameter that end 38 is formed becomes, and then permission flange 218 ' therefrom pass through.In case flange 218 ' by end 38, bluff piece 37 returns its non-bending position rapidly, with flange 218 ' (insertion tube 200 ') then be locked at socket 210 ' in.
Operation period, flange 218 ' by just colliding internal indicator ring 44 behind the bluff piece 37.Since the internal diameter of through hole 46 less than flange 218 ' external diameter and since through hole 46 can not expand, the outer surface of flange 218 ' press internal indicator ring 44 and with ring 44 towards insertion tube 200 ' the fixed position move forward.The external indicator ring 43 that is connected with internal indicator ring 44 by arm spare 42 also axially move inward up to its internal surface and recessed external member 220 ' end 222 ' till contacting.When external indicator ring 43 arrived herein, ring 43 can not be moved further, and was designed to 47 disconnections of easily broken zone, and like this, external indicator ring 43 is thrown off the remainder of indicator assemblies 40.Present free external indicator ring 43 can be along conduit 212 ' axially moving freely, so inform setter insertion tube 200 ' correctly be fixed in socket 210 ' in.
As example of the present invention, the zone between ring 32 inboards of the end 38 of bluff piece 37 and retainer assembly 30 can be compared to most the thickness of internal indicator ring 44 and flange 218 ' the width sum big 0.015 inch.When insertion tube 200 ' insertion socket 210 ' middle, this size is enough to make zone 47 fractures and provides bigger space for tolerance.Set this size like this, after bluff piece 37 latches in flange 218 ' back when inserting, external indicator ring 43 run into external member 220 ' end 222 '.Only promoting insertion tube 200 ' (before 0.015 inch that pipe fitting 212 ' propelling is advised) slightly just disconnects external indicator ring 43 from arm spare 42.External indicator ring 43 be prevented from leaving fully pipe fitting 212 '.
Irrelevant with specific embodiment, the advantage that connector of the present invention is better than prior art comprises the method in indicator (not having any separation sleeve or the intermediate member) socket of packing into is simple and be easy to determine correct and firm connection of assembly under the low situation of overall cost.In addition, connector of the present invention does not need the such special guiding mechanism of prior art.
For those skilled in the art, from aforesaid broad teachings of the present invention, understand that available various forms is implemented.Therefore,, do not limit true scope of the present invention, because for those of ordinary skill, after having studied accompanying drawing, specification and appended claims, can make other changes though the invention describes its specific example.
Claims (31)
1. one kind remains on fixedly indicator assemblies in the socket with insertion tube, and insertion tube can be fixed in the socket, and fixedly indicator assemblies comprises: a retainer; With an indicator assemblies, described retainer is limited in the socket substantially, described retainer has a sidewall and at least one and is formed at opening on the described sidewall, and described indicator assemblies can partly be positioned in the described retainer at least, and described retainer assembly comprises:
An external indicator ring;
Ring in one, described interior ring comprises the aligning joint that at least one stretches out from interior ring, in formed at least one opening on the sidewall that is positioned retainer selectively;
At least one is connected described external indicator ring with the internal indicator ring arm spare; With
At least one is connected to easily broken zone on described at least one arm spare with the external indicator ring, and when being fixed in insertion tube in the socket, described external indicator ring disconnects from described at least one arm spare.
2. according to the described fixedly indicator assemblies of claim 1, it is characterized in that, the retainer assembly comprises a central axis, described indicator assemblies can move along described axis in described retainer assembly basically, described moving by mobile limit of ring in described retainer assembly in described.
3. according to the described fixedly indicator assemblies of claim 1, it is characterized in that, described retainer assembly comprises a central axis, described indicator assemblies can move along described axis, described moving moves to described retainer component limitations by described outer shroud at first, when described at least one easily broken regional fracture, described restriction is overcome.
4. according to the described fixedly indicator assemblies of claim 1, it is characterized in that, described internal indicator ring is provided with the through hole that passes for insertion tube, described external indicator ring is provided with the through hole that passes for insertion tube, the through-hole diameter that the diameter that the insertion tube of described external indicator ring passes through hole passes greater than the insertion tube of internal indicator ring.
5. one kind remains on fixedly indicator assemblies in the socket with insertion tube, and insertion tube can be fixed in the socket, and the protuberance of retainer is supported by recess substantially, and fixedly indicator assemblies comprises: a retainer; With an indicator assemblies, described retainer comprises at least one the elastic arm spare that encircles and have first end and second end before, and described first end is connected with described preceding ring, and described retainer assembly comprises:
An internal indicator ring and an external indicator ring; With
At least one is formed at the fixedly indicator arm part on the external indicator ring, when insertion tube inserts socket, described ring and described arm spare can move to fixing indication and fracture position from the on-fixed indicating positions, when described ring and described arm spare were in the on-fixed indicating positions, described internal indicator ring can be positioned in the described retainer basically.
6. according to the described fixedly indicator assemblies of claim 5, it is characterized in that, described indicator assemblies further comprises an internal indicator ring, wherein, the retainer assembly comprises a central axis, and described internal indicator ring can move along described axis in described retainer assembly basically.
7. according to the described fixedly indicator assemblies of claim 5, it is characterized in that described retainer is made by polymeric material.
8. according to the described fixedly indicator assemblies of claim 6, it is characterized in that described at least one indicator arm part is connected with described external indicator ring.
9. according to the described fixedly indicator assemblies of claim 8, it is characterized in that described at least one indicator arm part is connected with described internal indicator ring.
10. according to the described fixedly indicator assemblies of claim 5, it is characterized in that described retainer is made of metal.
11., it is characterized in that described indicator arm part and described external indicator ring further comprise an easily broken zone that forms betwixt according to the described fixedly indicator assemblies of claim 8.
12. according to the described fixedly indicator assemblies of claim 8, it is characterized in that, described internal indicator ring is provided with the through hole that passes for insertion tube, described external indicator ring is provided with the through hole that passes for insertion tube, the through-hole diameter that the diameter that the insertion tube of described external indicator ring passes through hole passes greater than the insertion tube of internal indicator ring.
13. a retainer assembly, described assembly are used for fluid is closed in wherein connector, this connector is used for insertion tube is remained on socket, and described assembly comprises:
A retainer, has an inboard, described retainer is closed in the socket basically, described retainer comprises a supporting mass and the arm spare that extends from supporting mass, described arm spare has the bending area by a limiting bending towards described retainer inboard, and described bending area comprises a bluff piece;
A fixing indicator assemblies, comprise a pointer body with in the outer indicating device that links to each other, described pointer body limits a ring, when inserting insertion tube in the socket, described fixedly indicator assemblies can move to fixedly indicating positions from the on-fixed indicating positions, and described outer indicating device can move apart described pointer body.
14., it is characterized in that the described pointer body of described fixedly indicator assemblies is positioned between the described arm spare of the described supporting mass of retainer and retainer according to the described retainer assembly of claim 13.
15., it is characterized in that described ring is the indicator ring according to the described retainer assembly of claim 14, described indicator ring can disconnect from described pointer body.
16., it is characterized in that socket comprises an external member according to the described retainer assembly of claim 15, external member comprises an inwall, described bluff piece is positioned between the inwall of described indicator ring and sleeve.
17., it is characterized in that socket comprises an external member according to the described retainer assembly of claim 14, external member comprises an inwall, described bluff piece is positioned between the inwall of described indicator ring and sleeve.
18., it is characterized in that when inserting insertion tube in the socket, described indicator ring can move along with described retainer according to the described retainer assembly of claim 13 between on-fixed position and fixed position.
19., it is characterized in that insertion tube comprises a flange formed thereon according to the described retainer assembly of claim 13, described arm spare is made of at least two arm member, when insertion tube inserted in the socket, arm member was outwardly-bent, passed through to allow flange.
20. according to the described retainer assembly of claim 19, it is characterized in that, flange on the insertion tube has an external diameter, and insertion tube comprises a chamfered end and a reduction zone that is formed between chamfered end and the flange, and described indicator ring comprises the through hole of its internal diameter less than flange outside diameter.
21., it is characterized in that described indicator ring is an internal indicator ring according to the described retainer assembly of claim 15, fixedly indicator assemblies further comprises an external indicator ring that is connected with described arm spare.
22., it is characterized in that described retainer is the single piece of metal structure according to the described retainer assembly of claim 13.
23., it is characterized in that described retainer is single-piece, polymeric material structure according to the described retainer assembly of claim 13.
24., it is characterized in that according to the described retainer assembly of claim 21, form the crack on the described external indicator ring, break away from insertion tube to allow described external indicator ring.
25. a method that is used for indicating the insertion tube that has flange to be fixed in socket comprises the steps:
Formation has the socket of inwall;
Formation has the retainer assembly of at least one arm member;
Form and described retainer assembly indicator assemblies operated in conjunction, indicator assemblies has one can be relative to the visible indicating device that described socket external member moves, and described visible indicating device links to each other with pointer body;
Described retainer assembly and described indicator assemblies are positioned in the socket, thus make described retainer assembly and at least the part of indicator assemblies be positioned in the described inwall of socket;
Insertion tube is inserted in the socket till insertion tube is fixed in the socket, so, the flange of insertion tube is positioned between the described pointer body of described at least one arm member and indicator assemblies, and thus, described visible indicating device disconnects from described indicator; With
The position of observing the sight indicator of described disconnection is fixed in the socket with the confirmation insertion tube.
26. in accordance with the method for claim 25, it is characterized in that, comprise the step that forms indicator assemblies, described visible indicating device is made of the indication arm that links to each other with described pointer body.
27. in accordance with the method for claim 26, it is characterized in that, be included in the step that described indication arm one end forms the external indicator ring.
28. in accordance with the method for claim 27, it is characterized in that, be included in the step that forms easily broken zone between described indication arm and the described external indicator ring.
29. in accordance with the method for claim 28, it is characterized in that, comprise insertion tube is inserted in the socket step till described external indicator ring disconnects from described indication arm at least.
30. in accordance with the method for claim 25, it is characterized in that, comprise the step that forms retainer assembly with at least two arm member.
31. in accordance with the method for claim 27, it is characterized in that comprise the step that forms the retainer assembly, retainer has the crack on described external indicator ring, to allow to throw off insertion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96180558 CN1242064A (en) | 1996-11-20 | 1996-11-20 | Quick connector with visual indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96180558 CN1242064A (en) | 1996-11-20 | 1996-11-20 | Quick connector with visual indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1242064A true CN1242064A (en) | 2000-01-19 |
Family
ID=5127989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96180558 Pending CN1242064A (en) | 1996-11-20 | 1996-11-20 | Quick connector with visual indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1242064A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162037A (en) * | 2011-12-12 | 2013-06-19 | Smc株式会社 | Pipe joint |
| CN108692120A (en) * | 2017-03-31 | 2018-10-23 | 日立金属株式会社 | Pipe fitting |
| CN108730647A (en) * | 2017-04-21 | 2018-11-02 | C.R.F.阿西安尼顾问公司 | Tube made of elastomeric material for an on-board system of a motor vehicle |
| CN110709637A (en) * | 2017-05-22 | 2020-01-17 | Aft汽车股份有限公司 | Coupling element and coupling mechanism for connecting a first fluid transfer line to a second fluid transfer line |
-
1996
- 1996-11-20 CN CN 96180558 patent/CN1242064A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162037A (en) * | 2011-12-12 | 2013-06-19 | Smc株式会社 | Pipe joint |
| CN108692120A (en) * | 2017-03-31 | 2018-10-23 | 日立金属株式会社 | Pipe fitting |
| CN108730647A (en) * | 2017-04-21 | 2018-11-02 | C.R.F.阿西安尼顾问公司 | Tube made of elastomeric material for an on-board system of a motor vehicle |
| CN110709637A (en) * | 2017-05-22 | 2020-01-17 | Aft汽车股份有限公司 | Coupling element and coupling mechanism for connecting a first fluid transfer line to a second fluid transfer line |
| CN110709637B (en) * | 2017-05-22 | 2021-07-30 | Aft汽车股份有限公司 | Coupling element and coupling mechanism for connecting a first fluid transfer line to a second fluid transfer line |
| US11460135B2 (en) | 2017-05-22 | 2022-10-04 | Aft Automotive Gmbh | Coupling element for connecting a first fluid-conducting line to a second fluid-conducting line, and coupling assembly |
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