EP3230644A1 - Système de raccordement par enfichage pour conduites acheminant des fluides - Google Patents

Système de raccordement par enfichage pour conduites acheminant des fluides

Info

Publication number
EP3230644A1
EP3230644A1 EP15787511.3A EP15787511A EP3230644A1 EP 3230644 A1 EP3230644 A1 EP 3230644A1 EP 15787511 A EP15787511 A EP 15787511A EP 3230644 A1 EP3230644 A1 EP 3230644A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
locking
latching
connector
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15787511.3A
Other languages
German (de)
English (en)
Inventor
Uwe Ehrhardt
Wolfgang Grupp
Patrick Silbernagel
Michael Botschka
Daniel JOCKERS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3230644A1 publication Critical patent/EP3230644A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/098—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
    • F16L37/0985—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/853—Mounting of fuel injection apparatus involving use of quick-acting mechanism, e.g. clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/20—Safety or protective couplings

Definitions

  • the invention relates to a connector assembly for media-carrying lines, as used for example for an injector return pipe of a fuel injector.
  • the known connector assembly has a connector for placing on a mating connector.
  • the connector comprises a plug body and a sleeve, wherein the sleeve is arranged at least partially surrounding the plug body radially.
  • At least one elastically formed latching arm with a latching foot is arranged on the plug body, and at least one latching lug corresponding to the at least one latching foot is arranged on the mating plug.
  • the at least one latching foot engages behind the at least one retaining lug in the axial direction.
  • At least one locking web is formed on the sleeve, wherein the at least one locking web in a locking position of the sleeve prevents a radial widening or constriction of the at least one locking arm, so that the plug connector remains fixed in the axial direction on the mating connector.
  • the connector according to the invention has the advantage that the sleeve is braced against the plug body in the axial direction. As a result, relative movements of the components of the connector and mating connector are prevented and thus also a Ab- scrub the components. Wear is minimized and the life of the connector and mating connector increased.
  • the connector assembly for media-carrying lines comprises a connector and a mating connector connectable to it, in particular a
  • the connector includes a
  • Plug body and a sleeve wherein the sleeve is arranged at least partially surrounding the plug body radially.
  • At least one spring-formed detent arm with a latching foot is arranged on the plug body, and at least one retaining lug corresponding to the at least one latching foot is arranged on the mating plug.
  • the at least one latching foot engages behind the at least one retaining lug in the axial direction.
  • At least one locking web is further formed on the sleeve, wherein the at least one locking web prevents radial expansion of the at least one locking arm in a locking position of the sleeve. The sleeve is in the locking position by a spring element axially against the
  • the axial tension of the sleeve to the plug body obstructs a relative movement of sleeve to plug body, but also a movement of other parts, such as any seals. As a result, the wear of these parts is minimized or prevented.
  • the retaining lug of the mating connector is formed radially encircling.
  • the retaining lug is designed comparatively stiff and the connection between the connector and mating connector is thus made very robust in the axial direction.
  • the sleeve by twisting about its longitudinal axis by an angle ⁇ relative to the plug body of the locking position can be brought into an unlocked position.
  • the at least one locking web no longer prevents radial expansion of the at least one latching arm.
  • the connector in the unlocked position of the mating connector is removable or during the assembly process placed on this.
  • the angle ⁇ is 25 ° to 50 °.
  • At least one latching lug is arranged on the sleeve and formed on the plug body at least one corresponding locking groove. In the locking position, the at least one latching lug with the at least one latching groove in the Handle. As a result, the rotational relative position of sleeve to plug body with respect. The longitudinal axis of the sleeve is fixed in the locked position and clearly determined.
  • the at least one latching lug and the at least one latching groove are designed such that in the latching position the at least one latching lug is pressed into the at least one latching groove.
  • This can be done for example by conical shaping of locking lug and locking groove.
  • contact pressures can be transmitted between locking lug and locking groove or even a positive connection in the direction of rotation can be achieved.
  • the locking lug can be pressed by the spring element in the locking groove. Thereby, a release of the sleeve can be prevented from the locking position.
  • At least one further groove corresponding to the at least one latching lug is formed on the plug body, wherein in the
  • latching lug, latching groove and further groove can also be oppositely arranged or formed: the latching lug on the plug body and the latching groove and the further groove on the sleeve.
  • more than one latching lug preferably two or three latching lugs are arranged on the connector, ie on the plug body or on the sleeve.
  • the number of locking lugs is minimized, but it can still be guaranteed a homogeneous tension of the sleeve against the plug body.
  • the numbers of locking lugs, locking grooves and other grooves are preferably the same size.
  • the connector can be removed as an entire module from the mating connector, without the spring element separates the sleeve from the connector body.
  • Storage and transport of the connector are so simplified because the connector is assembled in the disassembled state in itself.
  • the further groove is designed as a through groove, so that the sleeve in the unlocked position in a direction away from the mating connector of the Plug body is removable. As a result, the design of the sleeve, especially the area remote from the mating connector, can be made simpler.
  • more than one latching arm preferably four latching arms, are arranged on the plug body.
  • the individual latching arms are elastically formed on the one hand, on the other hand, the positive connection between the locking feet and the retaining lug is largely uniformly distributed over the circumference.
  • the positive connection between the locking feet and the retaining lug is largely uniformly distributed over the circumference.
  • a support surface is formed on each latching arm radially outboard.
  • the spring element is clamped in the axial direction of the sleeve between the bearing surfaces and a bottom surface formed on the sleeve.
  • Plug body The bearing surfaces and the bottom surface can be easily manufactured, thereby forming two inexpensive spring seats for the spring element.
  • two to eight locking webs are arranged on the sleeve.
  • the number of locking webs corresponds to the number of locking arms, so that in each locking position a locking web blocks the radial expansion of a locking arm.
  • the connector assembly in a common rail system with at least one fuel! arranged with a return system.
  • the connector is on an injector return pipe of the fuel! attached.
  • Such connectors or connector assemblies are particularly suitable for pressures of 1 bar to 50 bar, as used in return systems or
  • the connector may well be made of plastic materials.
  • FIG. 1 shows the basic structure of a connector assembly for media-carrying lines in a longitudinal section, wherein only the essential areas are shown.
  • 2 shows the plug connection arrangement for media-carrying lines in a longitudinal section, which is rotated to the Fig.1 by 90 ° about the axis of the mating connector.
  • 2a shows the connector in the locked and the Fig.2b the connector in the unlocked state.
  • FIG. 3 shows another embodiment of the connector assembly in the same view as Fig.2.
  • 3a shows the connector in the locked and Fig.3b the connector in the unlocked state.
  • 4 shows a section through the connector assembly in the region of the locking webs.
  • 4a show the section A-A of Figures 2a and 3a, ie in the locking position of the sleeve and
  • Figure 4b shows the section B-B of Figures 2a and 3a, ie in the unlocked position of the sleeve.
  • 5 shows a section through the connector assembly in the latching lugs.
  • 5a shows the section C-C of Figures 2a and 3a, ie in the locking position of the sleeve and
  • Figure 5b shows the section D-D of Figures 2a and 3a, ie in
  • Unlocking position of the sleeve. 6 shows the detail VI of Figures 2a and 3a in one embodiment.
  • FIG. 7a shows the section E-E of Fig.6.
  • FIG. 7b shows the section F-F of FIG.
  • FIG. 8 shows a further embodiment of the connector, wherein only the essential areas are shown.
  • Fig.9 shows the sleeve of the embodiment of Fig.8.
  • Fig.10 shows the plug body of the embodiment of Fig.8.
  • FIG. 11 shows the section A-A analogous to Fig.4a in the locking position of the sleeve, but for an embodiment of the connector according to a development to Fig.8.
  • Fig.12 shows the section CC analogous to Fig.5a in the locking position of the sleeve, but for an embodiment of the connector according to a development to Fig.8.
  • Description Fig.1 shows the basic structure of a connector assembly for media-carrying lines in a longitudinal section.
  • the connector assembly comprises a connector 100 and a mating connector 1.
  • the connector 100 comprises a connector body 2, a sleeve 8 and a spring element 12, the sleeve 8 having a first sleeve leg 31 and a second sleeve leg 32.
  • the plug connector 100 is connected to the mating connector 1, in that latching feet 6 arranged on the plug body 2 engage behind a retaining lug 22 arranged on the mating connector 1 in the axial direction.
  • the mating connector 1 is an injector return pipe, wherein the injector return pipe part of a fuel not shown! njektors or fuel injection valve is. Through the Injektor Weghoffrohr diverted fuel and / or leakage fuel is derived from the fuel injector.
  • the connector 100 can in principle be placed on any connection parts or mating connector 1.
  • the plug body 2 comprises a plug shank 50 and a transverse line 53 with a first plug connection 51 and with a second plug connection 52, the transverse line 53 preferably extending perpendicular to the plug shank 50.
  • the two plug connections 51, 52 are marked with impact guards surrounding the transverse line 53 in order to protect the transverse line from rockfall, for example during assembly or during operation.
  • the plug body 2 comprises only a single plug connection 51, 52.
  • the plug body 2 is arranged with its plug shank 50, the injector return pipe 1 at least partially radially surrounding and the sleeve 8 in turn Plug body 2 partially arranged radially surrounding.
  • the plug body 2 is sealed to the injector return pipe 1 by a sealing ring 3.
  • the spring element 12 clamps the sleeve 8 to the plug body 2 and the sleeve 8 thereby fixes the plug body 2 on the
  • the spring element 12 as a multi-wave spring, consisting of preferably three layers executed.
  • Other versions of the spring element 12 are for example: as a rubber ring, as a plate spring, as a compression spring, as a multi-shaft compression spring, or as a spring washer.
  • a return bore 21 is formed in the axial direction.
  • the return bore 21 opens into a formed in the transverse line 53 of the plug body 2 plug hole 5, wherein the plug hole 5 is perpendicular to the return bore 21.
  • the injector return pipe 1 is part of an unillustrated fuel injector. Through the return bore 21 and the plug bore 5 can flow from the fuel injector, for example, returned fuel or leakage fuel back into a collecting tank, not shown, the two plug connections 51, 52 with connecting hoses to the sump or to more fuel! are connected to injectors.
  • FIG. 2 shows the connector assembly for media-carrying lines in a longitudinal section, which is rotated to the Fig.1 by 90 ° about the axis of the injector return pipe 1.
  • FIG. 2a shows the plug connector 100 in the locked state
  • FIG. 2b the plug connector 100 in the unlocked state.
  • FIGS. 2a and 2b are identical in the major parts, so that initially the matching parts are described.
  • the plug connector 100 comprises the plug body 2, the sleeve 8 and the spring element 12.
  • the plug connector 100 is connected to the injector return pipe 1 or placed on it.
  • the plug body 2, the injector return pipe 1 is at least partially disposed radially surrounding and the sleeve 8 in turn arranged the plug body 2 at least partially surrounding radially.
  • the return bore 21 is formed in the axial direction, which opens into the plug hole 5 of the plug body 2, wherein the plug hole 5 is perpendicular to the return hole 21.
  • Plug body 2 arranged sealing surface 4 together, so that the sealing ring 3, the connection from the injector return pipe 1 to the plug body 2 seals or the return bore 21 and the plug hole 5 seals to the environment.
  • On the outside of the Injektor Wegktor GmbHtechniks 1 at least one retaining lug 22 is further arranged.
  • the retaining lug 22 is formed radially circumferentially as outward thickening of the Injektor Wegsburgtechniks 1.
  • the plug body has at least one latching arm 28 extending in the axial direction of the injector return pipe 1.
  • two to eight latching arms 28 are distributed uniformly over the circumference.
  • Each latching arm 28 has at its end a latching foot 6.
  • the retaining lug 22 cooperates with the locking feet 6 in the axial direction of the injector return pipe 1 together.
  • the connection from the retaining lug 22 to the locking feet 6 is positively in the axial direction of the Injektor Weghoffmaschinentz Seas 1.
  • this positive connection can already be achieved in the radial direction due to the elasticity of the latching arms 28 even with a small axial force.
  • the sleeve 8 In the locking position of the sleeve 8 (Fig.2a), however, the sleeve 8 is arranged to the latching arms 28, that a radial expansion of the locking arms 28 is hindered.
  • the plug body 2 remains fixed on the injector return pipe 1.
  • the number of locking webs 7 corresponds to the number of locking arms 28, that is preferably two to eight.
  • the locking webs 7 are designed as a thickening of the sleeve 8 in the region of the latching arms 28. The locking webs 7 prevent - as shown in Fig.2a - in the locking position of the sleeve 8, a radial expansion of the locking arms 28 and
  • Fig.2b shows the twisted Fig.2a unlocking position of the sleeve 8, so that in this section no locking webs 7 are present; Consequently, the latching arms 28 and locking feet 6 in the unlocked position of the sleeve 8 can expand radially, so that the locking feet 6 can be performed for the assembly or disassembly process in the axial direction of the retaining lug 22 over.
  • a first guide rail 9a and a second guide rail 9b are arranged radially on the plug body 2, which point radially outward, so that they interact with the sleeve 8 in the radial direction.
  • the two guide rails 9a, 9b thus position the sleeve 8 coaxial with
  • Plug body 2 On the sleeve 8, at least one latching lug 10 is attached to the plug body 2 out.
  • the locking lug 10 cooperates in the locking position of the sleeve 8 in the axial direction of the injector return pipe 1 with the second guide rail 9b form fit together.
  • one to eight locking lugs 10 are arranged on the sleeve 8.
  • the spring element 12 is clamped in the axial direction of the injector return pipe 1 between an end face 25 of the plug body 2 and a sleeve head 14 of the sleeve 8.
  • the sleeve head 14 is executed closed in the embodiment of FIG. However, it can also have, for example, bores for further connection parts or recesses for assembly tools.
  • Figure 3a shows the plug connector 100 or the plug connection arrangement in the locked state
  • Figure 3b the plug connector 100 in the unlocked state.
  • the sleeve 8 has a bottom surface 26 at the end opposite the sleeve head 14.
  • the plug body 2 has on the latching arms 28 bearing surfaces 27.
  • the spring element 12 is braced between the bottom surface 26 and the bearing surfaces 27.
  • FIG. 4 shows a section through the plug connection arrangement in the region of the locking webs 7.
  • FIG. 4a shows the section AA of FIGS. 2a and 3a, ie in the locking position of the sleeve 8
  • FIG. 4b shows the section BB of FIGS. 2a and 3a, ie in the unlocked position of the sleeve 8.
  • the embodiment of Figure 4 has four locking arms 28 by way of example.
  • the unlocking position of the sleeve 8 (FIG. 4 b) is advantageously rotated by an angle a, which is approximately 45 °, to the locking position (FIG. 4 a).
  • Figures 4a and 4b show the inner circular cross-section retaining lug 22 of the Injektor Weghoffmaschinemaschinendmaschinendmaschinendmaschinendmaschinendmaschinendmaschinendmaschinen 1.
  • the retaining lug 22 radially surrounding distributed over the circumference four locking arms 28 of the plug body 2 are arranged. Between the four locking arms 28 four free areas 13 are formed.
  • the latching arms 28 partially surrounding radially surrounding the sleeve 8 with the first sleeve leg 31 and the second sleeve leg 32.
  • 32 two locking webs 7 are respectively arranged, wherein the locking webs 7 is a circular segment in cross section.
  • the number of locking webs 7 and the locking arms 28 is advantageously the same size; in the present embodiment, it is four, preferably two to eight.
  • FIG. 4a ie in the locking position of the sleeve 8
  • the locking webs 7 are the locking arms 28 arranged opposite, so that the locking webs 7 prevent radial expansion of the locking arms 28.
  • the sleeve 8 is in the unlocked position, that is rotated by the angle ⁇ relative to the locking position. In the unlocked position, the locking webs 7 are arranged opposite the free areas 13, so that they no longer prevent a radial widening of the latching arms 28.
  • 5 shows a section through the plug connection arrangement in the region of the latching lugs 10.
  • FIG. 5a shows the section CC of FIGS. 2a and 3a, ie in the locking position of the sleeve 8
  • FIG. 5b shows the section DD of FIGS.
  • Figures 5a and 5b show the plug body 2 formed: two locking grooves 1 1a and two further grooves 11 b.
  • the numbers of locking grooves 1 1a and further grooves 1 1 d preferably from one to eight vary.
  • the numbers for the locking lugs 10, locking grooves 11 a and further grooves 1 1 b are the same size.
  • the two locking lugs 10 are each arranged in a locking groove 11 a.
  • the two locking lugs 10 are each arranged in a further groove 11 b.
  • the further grooves 1 1 b may also be formed in the form of locking grooves or as through grooves:
  • the further grooves 1 1 b formed as locking grooves, it must first be deducted from the mating connector 1 for disassembly of the connector 100 in the unlocked position, and then only the sleeve 8 can be pulled down from the connector body 2. The installation is carried out in the reverse order. If the further grooves 11 b are formed as passage grooves, then
  • the latching lugs 10 may also be formed on the plug body 2 and consequently the latching grooves 11a and the further grooves 11b on the sleeve 8.
  • Figure 6 shows the detail VI of Figures 2a and 3a as an embodiment of the interaction of a detent 10 with a locking groove 11 a in the locking position of the sleeve 8.
  • the arranged on the first sleeve leg 31 locking lug 10 has a survey 10a, which in the locked position in the formed in the second guide rail 9b locking groove 11 a is arranged.
  • FIG. 7a shows the section E-E of FIG. 6 with a respective latching lug 10 on the first sleeve leg 31 and on the second sleeve leg 32.
  • An elevation 10a is formed on each latching lug 10.
  • FIG. 7b shows the section F-F of FIG. 6 with the two locking grooves 11a formed in the second guide rail 9b and two further grooves 11b, the two further grooves 11b being formed as through-grooves in this exemplary embodiment.
  • the other grooves 11 b are designed so that in
  • Unlocking position ie in the arrangement of the locking lugs 10 in the further grooves 1 1 b, the sleeve 8 in the axial direction of the mating connector 1 and injector return pipe 1 can be moved away.
  • the first guide rail 9a has corresponding recesses similar to the through grooves 11 b in the second guide rail 9b, around the latching lugs 10 also be able to pull through the first guide rail 9a.
  • the sleeve 8 down so the mating connector 1 and injector return pipe 1 out, can be moved, and then the connector body 2 can be deducted from the mating connector 1.
  • 8 shows a further embodiment of the connector 100 according to the invention. In this embodiment, the mating connector 1 is not shown.
  • the sleeve 8 has no sleeve head 14, but a connection part 40 which is clipped to the sleeve 8 and the assembly / disassembly or locking / unlocking of the connector 100 is used on the mating connector 1.
  • the sleeve 8 is not upwards, so away from the mating connector 1, removable, but can only be deducted together with the plug body 2 from the mating connector 1.
  • the first sleeve leg 31 and the second sleeve leg 32 are not arranged down to the injector return pipe 1 pointing, but pointing up to the connection part 40. Subsequently, the sleeve 8 can be removed after removal of the connector 40 from the connector body 2 down.
  • the connector 100 is advantageous that the deducted from the mating connector 1 connector 100 can be transported in an assembly without the sleeve 8 is separated from the plug body 2 by the spring element 12.
  • the spring element 12 is similar to the embodiment of Figure 3 between the bottom surface 26 of the sleeve 8 and the bearing surfaces 27 of
  • Plug body 2 clamped.
  • FIG. 9 shows the sleeve 8 of the embodiment of FIG. Distributed over the circumference four locking webs 7 are arranged on the sleeve 8. The locking webs 7 project beyond the bottom surface 26, so that the spring element 12 is positioned coaxially with the sleeve 8 by the locking webs 7.
  • FIG. 10 shows the plug body 2 of the embodiment of FIG. The plug body 2 comprises the plug shank 50, and arranged perpendicular to the two
  • the plug shank 50 comprises substantially in the direction of the fuel injector, not shown: the first guide rail 9a, the second guide rail 9b with the at least one locking groove 1 1a and with the at least one further groove 1 1 b and four locking arms 28, respectively a locking foot 6.
  • the further groove 11 b may be executed in this embodiment analogous to the locking groove 11 a.
  • the spring element 12 braces the locking lugs 10 in the unlocked position in the further grooves 11 b; in this embodiment, the locking lugs 10 would then engage both in the locking grooves 11 a (locking position) and in the other grooves 11 b (unlocking position).
  • FIG. 11 shows a section A-A in the region of the locking webs 7 analogous to FIG. 4a in the locking position of the sleeve 8, but for an exemplary embodiment of the connector 100 according to a development to FIG.
  • Further developments to the embodiment of Figure 8 are based on the principle that the sleeve 8 is removed during disassembly down from the plug body 2.
  • the sleeve 8 can be designed in the region of the locking webs 7 throughout over its entire circumference, as shown in Figure 11.
  • the sleeve 8 in the region of the locking webs 7 has a high radial rigidity; the closing function of the sleeve 8 in the locked position is characterized very robust.
  • more or fewer locking arms 28 and locking webs 7 may be present, preferably two to eight.
  • FIG. 12 shows a section C-C in the region of the latching lugs 10 analogous to FIG. 5a in the locking position of the sleeve 8, but for an exemplary embodiment of the connector 100 according to a development to FIG.
  • the sleeve 8 has a circular cross-section and is closed over its entire circumference.
  • a detent 10 is arranged on the plug body 2. Accordingly, a locking groove 11 a and a further groove 1 1 b formed on the sleeve 8.
  • the latching lugs 10 can also be formed on the sleeve 8 and consequently then the latching grooves 11a and the further slots 11b on the plug body 2. Furthermore, the numbers of locking lugs 10, locking grooves 1 1a and further grooves 1 1 b preferably each vary from one to eight.
  • the assembly of the connector 100 on the mating connector 1 is carried out as follows:
  • the connector 100 is placed in the unlocked position of the sleeve 8 on a connection part or a mating connector 1, for example, on the Injektor Weghoffrohr 1.
  • a rotational movement of the sleeve 8 relative to the plug body 2 by the angle ⁇ the sleeve 8 is brought into the locked position.
  • the sleeve 8 is thus designed as a rotary locking element.
  • the locking lugs 10 fix by their arrangement in the locking grooves 1 1a, the sleeve 8 in its position on the plug body 2 and prevent relative rotational movement between the sleeve 8 and connector body 2.
  • the spring element 12 fixed by its bias the locking lugs 10 in the axial direction in the locking grooves 11 a.
  • the spring element 12 can be attached at two positions, namely in the region of the sleeve head 14 or in the region of the bottom surface 26, as shown in FIGS. 2 and 3.
  • the spring element 12 compensates the manufacturing tolerances for all geometries involved in the fixing process, so that a robust bias between locking lugs 10 and locking grooves 11 a and between the plug body 2 and sleeve 8 is present.
  • the vibrations in the entire connector 100 and in the entire connector assembly are reduced.
  • the spring element 12 thus increases by its functions the life of the entire connector 100th
  • the disassembly process includes the following steps:

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

Système de raccordement par enfichage pour conduites acheminant des fluides comprenant un connecteur (100) et un contre-connecteur (1) qui y est relié, en particulier un tube de retour de l'injecteur d'un injecteur de carburant. Le connecteur (100) comprend un corps à fiche (2) et une douille, la douille (8) étant disposée au moins partiellement autour du corps à fiche. Au moins un bras d'encliquetage (28) à ressort est monté sur le connecteur avec une base d'encliquetage et au moins un ergot de retenue (22) correspondant à la base d'encliquetage est présent sur le contre-connecteur. À l'état monté du connecteur sur le contre-connecteur, la base d'encliquetage vient se plaquer derrière l'ergot de retenue dans la direction axiale. De plus, au moins une languette de verrouillage (7) est présente sur la douille. L'au moins une languette de verrouillage empêche en position de verrouillage de la douille que le bras d'encliquetage d'élargie radialement. En position de verrouillage, la douille est bloquée axialement contre le corps à fiche par un élément ressort (12).
EP15787511.3A 2014-12-10 2015-10-21 Système de raccordement par enfichage pour conduites acheminant des fluides Withdrawn EP3230644A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014225466.3A DE102014225466A1 (de) 2014-12-10 2014-12-10 Steckverbindungsanordnung für medienführende Leitungen
PCT/EP2015/074320 WO2016091440A1 (fr) 2014-12-10 2015-10-21 Système de raccordement par enfichage pour conduites acheminant des fluides

Publications (1)

Publication Number Publication Date
EP3230644A1 true EP3230644A1 (fr) 2017-10-18

Family

ID=54364285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15787511.3A Withdrawn EP3230644A1 (fr) 2014-12-10 2015-10-21 Système de raccordement par enfichage pour conduites acheminant des fluides

Country Status (3)

Country Link
EP (1) EP3230644A1 (fr)
DE (1) DE102014225466A1 (fr)
WO (1) WO2016091440A1 (fr)

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Publication number Priority date Publication date Assignee Title
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WO2016091440A1 (fr) 2016-06-16

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