WO2006048071A1 - Dispositif d'accouplement servant a assembler des conduites et vehicule automobile equipe d'un dispositif d'accouplement de ce type - Google Patents

Dispositif d'accouplement servant a assembler des conduites et vehicule automobile equipe d'un dispositif d'accouplement de ce type Download PDF

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Publication number
WO2006048071A1
WO2006048071A1 PCT/EP2005/009673 EP2005009673W WO2006048071A1 WO 2006048071 A1 WO2006048071 A1 WO 2006048071A1 EP 2005009673 W EP2005009673 W EP 2005009673W WO 2006048071 A1 WO2006048071 A1 WO 2006048071A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner part
coupling device
housing
opening
longitudinal
Prior art date
Application number
PCT/EP2005/009673
Other languages
German (de)
English (en)
Inventor
Thomas RÖSCH
Werner Hempel
Stefan Eich
Wolfgang Günther
Original Assignee
Veritas Ag
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 Veritas Ag filed Critical Veritas Ag
Publication of WO2006048071A1 publication Critical patent/WO2006048071A1/fr

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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
    • 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
    • F16L37/0982—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 with a separate member for releasing the coupling

Definitions

  • Coupling device for connecting lines and motor vehicle with such a coupling device
  • the invention relates to a coupling device for connecting lines with a holding device which has an outer part and an inner part arranged in the outer part.
  • a generic coupling device is known for example from DE 202 13 806 U1.
  • the clutch disclosed in the above-identified utility model comprises a housing, an adapter and a holding member.
  • the adapter is inserted into the housing and fixed therein.
  • the holding element is inserted into the adapter and is held by this in the inserted state axially and rotationally fixed.
  • a plurality of resilient tongues are provided on the holding element, which elements are pressed together when the Gar ⁇ inserting into the adapter. In the assembled state, the tongues are spread open and engage behind recesses formed in the adapter, so that the adapter and the retaining element are positively connected.
  • Claw-like, elastic projections are provided on the inside of the tongues of the retaining element, which in the installed state engage behind the collar of a conduit or connecting piece inserted in the coupling, so that the conduit or the neck are fixed axially in the coupling.
  • the known coupling has the disadvantage that an example damaged line after installation can not be replaced or only with great difficulty.
  • the invention has for its object to provide a coupling device for connecting lines, which allows to release a line when needed from the clutch, the secure fixation of the line is maintained in the clutch during operation. Furthermore, a motor vehicle to be specified with such a coupling.
  • a coupling device for connecting lines to a holding device, which is an external device. part and an inner part arranged in the outer part, wherein the inner part between a locking position and a release position in the longitudinal direction of the holding device is be ⁇ wegbar.
  • the outer part according to the invention comprises at least one actuating means for fixing the inner part.
  • the invention has the advantage that due to the longitudinally displaceable arrangement of the inner part in the outer part, the holding device can be brought into a locking position or a release position in which the line is held (locking position) or can be withdrawn from the coupling device (release position). ,
  • the coupling device according to the invention thus allows easy replacement, for example, harmful lines.
  • the invention has the advantage that the decoupling of the line and the coupling device is facilitated by the fact that the inner part can be fixed by the actuating means in a desired position, in particular in the release position, thereby avoiding the inner part the removal of the line is transferred to the animal position.
  • the security against unintentional release of the coupling device is increased by the fact that for disengaging two separate functions of the coupling device are met, namely on the one hand, the transfer of the coupling device in the release position and on the other the activation of Betuschists ⁇ means.
  • the coupling device according to the invention can thus be designed so that unlocking of the pipe held in the coupling device is only possible if both functions (release position, activation of the actuating means) are fulfilled.
  • the holding device is arranged in a housing.
  • the holding device may be made of plastic, for example by injection molding, whereby the individual functional elements of the holding device, for example the actuating means, can be produced productively.
  • the actuating means is arranged in the region of an opening provided in the housing. Due to the design of the opening provided in the housing, through which the actuation means is accessible, the structural design freedom is increased and a compact and robust coupling device is created.
  • a housing section is cylindrical at least in the region of the holding device, wherein the opening is arranged in the lateral surface of the cylindrical housing section.
  • the actuating means may comprise at least one radially movable key, which is engageable with the inner part, in particular in the release position, positively or frictionally engaged.
  • the key can be easily brought into connection with the inner part, so that it is held in the desired position.
  • the button can have a profile, in particular a projection or an opening
  • the inner part can have a matching counter-profile, in particular a recess or a projection, which can be arranged opposite in the release position and can be brought into engagement by actuating the button.
  • the formation of the profile on the button and the counter-profile on the inner part allows an effective and firm fixation of the In ⁇ nenteils by positive locking.
  • the inner part comprises a holding element with two concentrically arranged and spaced ring sections, which by Longitudinal extension of the holding device arranged webs are connected, wherein the counter-profile is formed in at least one of the webs.
  • the webs arranged in the longitudinal extension of the holding device improve the axial stability of the inner part, which is compactly constructed by the formation of the counterprofile in at least one of the webs.
  • a surface of the web, in which the counter-profile is formed be lowered in the region of the counter-profile radially inwardly, so that above the web surface, a clearance between the inner part and the outer part is formed. This avoids the fact that the profile of the outer part provided on the key collides with the inner part when the inner part is displaced axially.
  • At least one, with respect to the longitudinal axis of the holding device, inclined wedge surface is seen vorge ⁇ on the outer part, which cooperates with at least one complementarily shaped wedge surface, which is provided on the inner part.
  • This embodiment has the advantage that the holding device is automatically zwangs ⁇ locked when the coupling device is deformed by an accident.
  • the outer part and the inner part are acted upon by a substantially radially acting force.
  • the radially acting force causes the two complementarily shaped wedge surfaces of the outer part and of the inner part to slide on one another, whereby a relative movement taking place due to the inclination in the longitudinal direction of the Gareinrich ⁇ occurs between the outer part and the inner part.
  • This forced by the deformation of the coupling device longitudinal movement of the inner part provides the prerequisite for the holding device can be brought into the Arretier ⁇ position, so that a held in the coupling device line is forcibly locked.
  • the outer part is fixed in the housing and the inner part in the locking position and release position movable, wherein the inclination angle of the wedge surfaces in the Arretierschisraum of the inner part is geöff ⁇ net. This means that the relative movement between the outer part and the inner part takes place in that the outer part is held stationary in the housing, and the inner part carries out the movement with respect to the outer part.
  • the solid support of the outer part in the housing can be produced in a simple manner, for example by a formschlüs ⁇ sige connection.
  • the arrangement of the wedge surfaces such that the inclination angle is opened in the Arretierschiscardi the inner part, resulting in that the inner part is moved to the locking position when the outer part is stationary, and the coupling device is deformed.
  • the at least one wedge surface provided on the inner part may be formed on a rear end of at least one longitudinal rib formed on the inner part in the direction of arresting movement of the inner part.
  • the formation of longitudinal ribs with end vorge ⁇ provided wedge surfaces leads to a robust and stable design of the inner part, so that the inner part largely retains its original shape even with larger deformation forces.
  • a compact construction with comparatively little material can be realized.
  • the inner part can have two, three or four longitudinal ribs which are each formed on a wedge surface. As a result, a uniform application of force to the inner part in the longitudinal direction is achieved.
  • the at least one wedge surface provided on the outer part is formed on a rear end of at least one longitudinal groove in the locking movement direction of the inner part, in which the at least one longitudinal rib is slidably movable.
  • This embodiment has the advantage that the longitudinal rib and the groove fulfill a dual function.
  • the longitudinal rib and groove which are in engagement with one another, bring about guidance of the inner part in the longitudinal direction of the holding device.
  • the longitudinal rib and the groove allow the positive locking of the coupling device due to the respectively formed at the rear end of the longitudinal rib or the groove wedge surface.
  • a number of longitudinal grooves corresponding to the number of longitudinal ribs is provided.
  • the housing has an opening through which a nozzle with at least one collar in the housing ein1700 ⁇ bar and can be locked with the holding device, wherein the diameter of the opening is adapted to the diameter of the federal government, that When the housing is deformed, the collar engages behind an edge of the opening.
  • the housing zylind ⁇ risch formed in the region of the holding device and gebo ⁇ gen to form the opening at its end radially inwardly can be easily adjusted.
  • the diameter of the opening is greater than the diameter of the collar by an amount of 0.1 to 1 mm, in particular from 0.4 to 0.8 mm.
  • the inner part can have at least one catch with a radially outwardly arranged locking element and the outer part at least one stop, wherein the locking element and the stop cooperate in the locking position and in the release position. Position are separated. The separation of the locking element and the stop takes place by a longitudinal displacement of the inner part with respect to the outer part in the Lissebe- direction of movement.
  • the interaction of the radially outwardly arranged locking element with the stop causes the catch to be fixed in the radial direction, as a result of which the locking function of the coupling device is fulfilled.
  • the at least one catch can have a driver with a radially inwardly arranged stop, which is arranged opposite to the locking movement direction of the inner part.
  • the driver fulfills a double function since once the collar provided on the pipe or on the line, for example by a pull-out movement, pushes against the radially inwardly arranged stop, whereby the inner part with respect to the stationary outer part in the longitudinal direction and that in the locking position of the Inside is moved.
  • the radially inwardly arranged stop of the driver in the locking position of the inner part fixes the collar of the nozzle, so that a further axial movement, in particular a pull-out movement of the nozzle is prevented.
  • FIG. 1 shows a cross section of an embodiment of a coupling device according to the invention, in which a nozzle is inserted.
  • FIG. 2 shows a section of the embodiment according to FIG. 1 along the line H-II;
  • FIG. 3 shows a section of the embodiment according to FIG. 1 along the line III-III;
  • Fig. 4 is a section of the embodiment of Figure 1 along the line IV-IV.
  • Figure 5 is a section similar to Figure 3 without the nozzle to illustrate the actuating means ..;
  • FIG. 6 shows a side view of the assembled outer and inner part of the embodiment of FIG. 1;
  • Fig. 7 is a perspective view of the inner part
  • Fig. 8 is a perspective view of the outer part
  • FIG. 9 is a perspective view of the longitudinally sectioned embodiment of Figure 1 in the undeformed state ..;
  • 11 is a perspective view of the outer part with safety hooks and
  • Fig. 1 illustrates an embodiment of the coupling device according to the invention with the most important components, which can be used in particular in the field of the automotive industry for connecting fluid lines.
  • This coupling device is also referred to as a plug-in coupling or quick connector.
  • the coupling device comprises a holding device 1, which comprises an outer part 2 and an inner part 3, which is arranged in the outer part 2.
  • the Au ⁇ Hzteil 2 serves as an adapter which is fixed in the housing 4.
  • the inner part 2 is displaceable in the longitudinal direction of the coupling device and can be moved into a release position and a locking position.
  • the inner part 3 acts as a holding element 10 for a socket 14 or a correspondingly profiled line end, which is inserted into the inner part 3 ein ⁇ .
  • the inner part 3 is in the A designated Nete Arretierschischisraum shifted. For releasing the inner part 3 is moved in the direction L Lbücherschulsraum.
  • the inner part 3 is constructed as follows:
  • the inner part 3 has two spaced-apart concentric ring sections 11, 12, wherein the from the Einsteckseite (left end of the coupling device of FIG. 7) removed annular portion 12 is wider than the closer to the Einsteckseite arranged annular portion 11.
  • the two Ringab ⁇ sections 11, 12 are interconnected by webs 13, which are arranged in the longitudinal direction of the Kuppiungsvorraum.
  • the webs 13 form longitudinal ribs 5, which are arranged equidistantly spaced on the circumference of the annular inner part 3.
  • the ring sections 11, 12 and the webs 13, or longitudinal ribs 5 are also shown in FIGS. 2 to 4 and 6 in longitudinal section.
  • the wedge surface 3 a is thus provided at the rear end 5a of each longitudinal rib 5 in the direction of arresting movement A.
  • the inclination angle of the wedge surface 3a i. the angle between the wedge surface 3a and the longitudinal axis of the coupling device is opened in the direction of movement A.
  • the angle of inclination is about 30 ° and can be varied in a range from 5 ° to 45 °, including all intermediate values within these limits. Depending on the length or diameter of the coupling device, other, in particular narrower, range limits of the angle of inclination may prove expedient.
  • FIG. 1 further shows that the webs 13 designed as longitudinal ribs 5 have a substantially rectangular cross-section with substantially equal long edges.
  • the arranged between the longitudinal ribs 5 webs 13th are therefore wider than the longitudinal ribs 5, as can be seen in Fig. 7.
  • Fig. 7 it can also be seen that the wedge surfaces 3a offset from the wide webs 13 and not over the full width of the webs 13 are extended.
  • the width of the wedge surfaces 3 a, which adjoin the wide webs 13, corresponds essentially to the width of the wedge surfaces 3 a, which are formed on the longitudinal ribs 5.
  • a recess in the form of a counter-profile 3b is formed in the radially outer surface of the wide webs 13.
  • This counter-profile 3b is provided for engagement with a profile 7b provided on a key 7a and permits axial fixing of the inner part 3 in the release graduation.
  • the surface 13a of the wide webs 13 is slightly radially inwardly lowered in the region of the counter-profile 13b and forms a bulge in which the projecting profile 7b is freely movable when the button 7a is not actuated.
  • a detent 15 is provided, which is resiliently mounted on the wider ring portion 12.
  • the detents 15 are each extended in the longitudinal direction of the coupling device and equidistant spaced on the circumference of the annular portion 12.
  • Each catch 15 has a locking element 15a and a catch 15b arranged opposite the locking element 15a, as shown in FIG.
  • the locking element 15a is arranged on the outside of the catch 15 and designed as a radially outwardly ask ⁇ set edge or shoulder.
  • the shoulder of the locking element 15a has a radially extended shoulder surface and an axially extended shoulder surface. The Shoulder thus forms an opening to the insertion side of the coupling device (right end in Fig. 2) opened angle.
  • the locking element 15a can also be seen in Figures 6 and 7.
  • the driver 15b On the inside of the catch 15, the driver 15b is provided which has a radially in ⁇ NEN arranged stop 15c.
  • the stopper 15c includes a surface inclined with respect to the longitudinal axis of the coupling device, the inclination angle of which is opened in the releasing movement direction L.
  • the angle of inclination of the surface of the stop 15c is understood to mean the angle between the longitudinal axis of the coupling device and the surface of the stop 15c.
  • the catch 15 also has a further radially inwardly disposed, with respect to the longitudinal axis of the coupling device inclined surface 15 d, the inclination angle is opened in the Arretierioloscardi A, as shown in Fig. 2.
  • the stop 15c and the inclined surface of the stopper 15c and the other inclined surface 15d form a wedge-shaped projection 15e, which is shown in Fig. 2.
  • the respective wedge-shaped projections 15e of the detents 15 are arranged on an imaginary circular diameter which is smaller than the outer diameter of the illustrated in Fig. 2 Federal 14b of the nozzle 14. In the assembled state thus engages the wedge-shaped projection 15e of the catch 15, the collar 14b.
  • the wedge-shaped projection 15e of the detent 15 is also shown in FIG.
  • the embodiment shown in Fig. 5 differs from the embodiment of FIG. 1 in that the wedge surfaces 3 a are provided only on the ribs 5.
  • Fig. 6 shows that the outer part 2 comprises two ring sections 2d, 2e, which are arranged concentrically and spaced from each other.
  • the two ring sections 2d, 2e each have a groove, so that the two ring sections 2d, 2e can be crimped with the housing 4, as shown in FIGS.
  • the two ring sections 2d, 2e are connected by longitudinal webs 2f, which are arranged equidistantly spaced on the circumference of the two ring sections 2d, 2e.
  • an opening 2c is formed between two webs 2f, which in the assembled state is assigned in each case to a notch 15 which projects partially into the respective opening 2c, as can be seen, for example, in FIG.
  • the webs 2f are on their inside, i. pointing radially inward, formed with a longitudinal groove 6 whose width and depth are adapted to the dimensions of the longitudinal ribs 5 of the inner part, so that the longitudinal ribs 5 in the longitudinal grooves 6 are slidably be ⁇ wegbar.
  • the arrangement of the longitudinal ribs in the longitudinal grooves 6 can be seen particularly well in FIG.
  • each longitudinal groove 6 has a wedge surface 2 a at its rear end 6 a in the direction of locking movement A of the inner part 3.
  • This wedge surface 2 a is complementary to the wedge surface 3 a of the longitudinal rib 5 formed on the inner part 3. This means that the angle of inclination of the wedge surface 2 a of the outer part 2 corresponds to the angle of inclination of the wedge surface 3 a of the inner part 3.
  • the wedge surfaces 2 a, 3 a lie flat against one another in the release position.
  • the outer part 2 is provided with an actuating means 7, which, as shown in Figsu ren 1, 3, is designed as a button 7a.
  • actuating means 7 which, as shown in Figsu ren 1, 3, is designed as a button 7a.
  • two keys 7a offset by 180 ° are provided, each of which is substantially identical in design. This arrangement of the keys 7a allows a simple and ergonomic manual operation. It is also possible to provide only one key 7a.
  • the keys 7a are respectively attached to a longitudinal side of the outer member 2 and can be moved in the radial direction (FIG. 3).
  • each key 7a is connected by means of webs 7c to the two ring sections 2d, 2e of the outer part 2, as shown in FIG.
  • the keys 7a are arranged in a V-shaped manner with the push-in-side ring section 2d.
  • the web 7c connecting the key 7a to the distal ring portion 2e is formed slightly wider than the V-shaped webs 7c.
  • the webs 7c are elastic and allow a displacement of the key 7a during their actuation in the radial direction of the outer part 2.
  • FIGS. 1 is an elastic and allow a displacement of the key 7a during their actuation in the radial direction of the outer part 2.
  • the key 7a has a radially inwardly arranged profile 7b in the form of a projection.
  • the contour of the profile 7b substantially corresponds to the contour of the counter-profile 3b formed on the inner part 3, as shown in FIG.
  • the profile 7b of the button 7a and the counter profile 3b of the inner part 3 are arranged in juxtaposition, so that upon actuation of the button 7a, the profile 7b engages in the counter profile 3b and the inner part 3 is locked to the outer part 2.
  • an axial movement of the inner part 3 is prevented and the inner part 3 is held in the release position.
  • a projection and on the radially inner ange ⁇ arranged surface of the button 7a may be provided a complementary shaped recess which can be brought together upon actuation of the button 7a in engagement.
  • a frictional connection on actuation of the key 7a in part, by means of the interlocking connection described above between the outer part 2 and the inner part 3, whereby an axial movement of the inner part 3 is likewise prevented.
  • FIGS. 3 and 8 it is shown that the rearward locking ring section 2e in the region of the actuating means 7, i. axially aligned with the key 7a, a wedge surface 2a has.
  • This wedge surface 2a is formed complementary to the wedge surface 3a on the inner part 3, as shown in Fig. 3.
  • the axial arrangement of the wedge surface 2a with respect to the key 7a is shown in FIG.
  • the inclination angle of the wedge surface 2 a of the outer part 2 corresponds to the inclination angle of the complementary wedge surface 3 a of the inner part 3.
  • the outer part 2 may have an additional safeguard against failure in deformation of the coupling device by an accident.
  • This additional securing comprises a latching hook 2g, which is provided on one of the webs 2f between two openings 2c and projects radially inwards.
  • the latching hook 2g engages behind the collar 14a of a connecting piece 14 inserted into the coupling device 14 or a line and additionally prevents the line from being pulled out of the coupling device when it is deformed.
  • the latching hook 2g has a substantially wedge-shaped shape, wherein an inclined surface of the latching hook 2g extends substantially in the axial direction and is tapered in the Arretierioloscardi A, as shown in Fig. 11.
  • the latching hook 2g further comprises a substantially perpendicular to the L Lucassrich ⁇ direction of the outer part 2 arranged stop surface, which cooperates with the collar 14a of the nozzle 14 and prevents it from being pulled out.
  • FIGS. 2 to 4 and 10 show that the housing 4 has an opening 4a for inserting a connecting piece 14 or a line end into the coupling device, wherein the diameter of the insertion opening 4a is adapted to the diameter of the collar 14a of the connecting piece 14, that the collar 14a engages behind an edge 4b of the opening 4a when the housing 4 is deformed, so that a separation of the conduit and the coupling device is prevented when the housing 4 is deformed.
  • the housing 4 which is of cylindrical design in the region of the holding device 1, is bent radially inward at its insertion-side end 4c.
  • the diameter of the insertion opening 4e is slightly larger than the diameter of the collar 14a.
  • the diameter of the opening 4 a in the amount of 0.1 to 1 mm, in particular from 0.4 to 0.8 mm, larger than the diameter of the collar 14 a.
  • the radial outer side of the collar 14 a and the opening 4 a of the housing 4 are arranged concentrically, so that the collar 14 a can be inserted through the opening 4 a in the housing 4.
  • the concentric arrangement of the collar 14a and the opening 4a is changed, so that the collar 14a and the housing 4a are arranged eccentrically to one another. There- it is achieved that the collar 14a at least partially engages behind the edge 4b of the opening 4a, whereby an effective pull-out protection is provided.
  • FIG. 9 The arrangement of the nozzle 14 and the housing 4 in the undeformed and deformed state are shown in Figures 9 and 10.
  • Fig. 10 it is shown that the collar 14a engages behind the edge 4b of the opening 4a in the deformed state of the housing 4, whereby an axial movement of the nozzle 14, i. pulling out the nozzle 14 from the coupling device is prevented.
  • the housing 4 is formed in the region of the holding device with a cylindrical portion 9, wherein in the lateral surface 9a of the portion 9 two offset by 180 ° radial openings 8 are provided. In the mounted state, the keys 7a are arranged in these openings 8 and thus accessible for actuation.
  • the housing 4 described above can be combined with a connecting piece 14, which has either a collar 14a (FIGS. 9, 10) or two collars 14a, 14b (FIGS. 2 to 4).
  • the connecting piece 14 with only one collar 14a the one collar 14a functions both for actuating the driver 15b of the button 15 on the inner part 3 and as a pull-out protection in connection with the (deformed) edge 4b of the opening 4a of the housing 4
  • Case of the nozzle 14 with two collars 14a, 14b are the above erläu ⁇ terten functions separated, wherein the rear in Arretierschiscardi A collar 14b with the driver 15b of the catch 15 and the locking in the direction A front collar 14a with the (deformed) edge 4b of Opening 4a cooperates.
  • the elements described above are in the mounted state as follows angeord ⁇ net.
  • the neck 14 is inserted into the inner part 3, which is held in the outer part 2.
  • the outer part 2 is fixedly connected to the housing 4, beispielswei ⁇ se by crimping.
  • the longitudinal ribs 5 of the inner part 3 are longitudinally displaceably guided in the longitudinal grooves 6 of the outer part 2, wherein the detents 15 are arranged in the openings 2c of the outer part 2 and partially protrude into this.
  • the detents 15 in each case project so far into the respective openings 2c that the annular stop 2b of the outer part 2, in particular the radially inwardly arranged edge of the stop 2b, can engage in the locking element 15a.
  • the edge of the stop 2b of the outer part 2 is slightly further radially outwardly arranged than the longitudinally extending shoulder surface of the stopper 15, as shown in Fig. 2.
  • one of the two collars 14a, 14b namely the rear in the direction of movement A rear collar 14b arranged in Arretierioloscardi A behind the driver 15b of the catch 15, as shown in Fig. 2.
  • the inner part 3 is brought into the locking position, that the nozzle 14 is moved in Ar ⁇ retierschulscardi A.
  • the collar 14b comes into abutment with the catch 15b of the catch 15, in particular with the inclined stop surface 15c.
  • the inner part 3 is entrained by the displacement of the neck 14, which is carried out in the direction of locking movement A, and likewise carries out an axial movement in the direction of movement A of the animal.
  • the spring force of the catch 15 should be adjusted so that a radial deflection of the catch 15 does not take place due to the transmitted in Arretierschulscardi A on the notch 15 from the nozzle 14 force.
  • the locking element 15a is in engagement with the stop 2b of the outer part 2.
  • the inner part 3 In the positive locking of the coupling device, triggered by a deformation of the housing 4, the inner part 3 is forcibly displaced from the release position into the locking position and held there.
  • the wedge surfaces 2a of the outer part interact with the wedge surfaces 3a of the inner part.
  • the rear ring sections 2e of the outer part 2 and 12 of the inner part 3 which are in the direction of arresting movement A, are rotated essentially in the radial direction. kenden force applied. Due to the wedge surface 2a, 3a, which is inclined in the longitudinal direction of the coupling device, an axial force directed in the direction of locking movement A is generated which forcibly displaces the inner part 3 into the locking position and fixes the inner part in the locking position.
  • the outer part 2 is fixed in the housing 4 and arranged fixed relative to the axially movable inner part 3.
  • the axial force directed in the locking movement direction A is generated by opening the angle of inclination of the wedge surfaces 2a, 3a in the locking movement direction A of the inner part.
  • the orientation of the angle of inclination of the wedge surfaces would have to be correspondingly adapted to produce an axial force acting upon deformation of the housing in the direction of locking movement.
  • the inner part 3 has two webs 13 offset by 180 ° with longitudinal ribs 5 and two wider webs 13 likewise offset by 180 °, which are each provided with an actuating means 7.
  • the wide webs 13 and formed as longitudinal ribs 5 webs are each offset by 90 ° to each other on the circumference of the inner part 3.
  • the respective associated longitudinal grooves 6 of the outer part 2 are adapted to the dimensions of the longitudinal ribs or the wide webs 13 and allow the longitudinally displaceable guide of the inner part 3 in the outer part 2.
  • Another number of webs 13, for example, more than two webs 13 with the longitudinal ribs 5 or more than two wide webs 13 with actuating means 7 is possible.
  • each arranged on one side latches 15 could be connected to a semicircular catch 15, so that the inner part 3 has two over a greater part of the circumference extending notches.
  • the wedge surfaces 2 a, 3 a can be provided only on the longitudinal ribs 5 or only following the actuating means 7.
  • the wedge surfaces 2a, 3a may correspond in width to the width of the longitudinal ribs 5. It is also possible to form the wedge surfaces 2 a, 3 a with a greater width, so that the wedge surfaces 2 a, 3 a extend over a larger part of the circumference of the inner part 3.
  • the shape of the profile 7b on the key 7a can be varied as desired, it being necessary to ensure that the profile 7b and the counter-profile 3b in the inner part 3 can be positively engaged.
  • an axial fixation of the inner part can also be effected by a frictional connection upon actuation of the button 7a of the outer part 2.
  • the adaptation of the diameter of the opening 4a to the outer diameter of the Bun ⁇ of 14a can be done by simply bending the insertion-side end 4c of the housing 4.
  • the housing 4 is constructed in one piece.
  • the housing can also be constructed in two parts, with an appropriate attachment being provided at the location of the radially inwardly bent end 4c of the housing 4, which can be connected to the housing 4 and one in view Having adapted to the diameter insertion.
  • the coupling device is suitable for connection to a nozzle 14, to which a line can be connected.
  • the coupling device is also suitable for connection to a suitably profiled line end.
  • the radial force generated by deformation of the housing is split into a radial component and an axial component. This can generally also be achieved by exchanging one of the two complementarily formed wedge surfaces by an element having the same effect, so that only one wedge surface is provided.
  • the wedge surface 2a could only be provided on the outer part 2 and the wedge surface 3a of the inner part 3 could be replaced by a radial edge formed on the inner part 3, which is arranged in the region of the wedge surface 2a of the outer part 2.
  • the radial force introduced by deformation of the housing would be converted into an axially directed force by the single wedge surface, which can be used to displace the inner part into the locking position.
  • This would not lead to a surface, but to a linear contact between the wedge surface and the replacement element, which is less advantageous in terms of the stability of the overall arrangement than the surface pressure generated with the two wedge surfaces 2a, 3a.
  • the effect of positively forcing the inner part 3 or the outer part 2 into the locking position would also be achievable if only one wedge surface was used.
  • the coupling device can be used in all fields in which fluid-carrying lines are coupled together.
  • the coupling device is provided in particular for the automotive industry, for example for connecting fuel lines.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un dispositif d'accouplement servant à assembler des conduites, lequel dispositif comporte un élément de maintien (1) présentant une partie extérieure (2) et une partie intérieure (3) placée dans la partie extérieure (2). Selon la présente invention, la partie intérieure (3) peut être déplacée entre une position de blocage et une position de déblocage dans le sens longitudinal de l'élément de maintien (1) et la partie extérieure (2) présente au moins un moyen d'actionnement (7) servant à fixer la partie intérieure (3).
PCT/EP2005/009673 2004-11-05 2005-09-08 Dispositif d'accouplement servant a assembler des conduites et vehicule automobile equipe d'un dispositif d'accouplement de ce type WO2006048071A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004053541.8 2004-11-05
DE200410053541 DE102004053541A1 (de) 2004-11-05 2004-11-05 Kupplungsvorrichtung zum Verbinden von Leitungen und Kraftfahrzeug mit einer derartigen Kupplungsvorrichtung

Publications (1)

Publication Number Publication Date
WO2006048071A1 true WO2006048071A1 (fr) 2006-05-11

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PCT/EP2005/009673 WO2006048071A1 (fr) 2004-11-05 2005-09-08 Dispositif d'accouplement servant a assembler des conduites et vehicule automobile equipe d'un dispositif d'accouplement de ce type

Country Status (2)

Country Link
DE (1) DE102004053541A1 (fr)
WO (1) WO2006048071A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194521B2 (en) 2009-07-14 2015-11-24 Volkswagen Ag Plug-in connector

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2907534B1 (fr) 2006-10-20 2010-09-24 Legris Sa Dispositif de raccordement pour circuit de fluide de vehicule automobile
DE102018113690A1 (de) 2018-06-08 2019-12-12 Veritas Ag Fluidverbindungselement

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280180A2 (fr) * 1987-02-21 1988-08-31 Heinrich Vorschepoth Raccord à emboîtement détachable pour tuyaux
FR2678349A1 (fr) * 1991-06-28 1992-12-31 Attax Dispositif de raccordement de deux organes tubulaires.
US5284369A (en) * 1990-08-24 1994-02-08 Tokai Rubber Industries, Ltd. Quick connector
EP0597711A1 (fr) * 1992-11-11 1994-05-18 John Derek Guest Raccords de tuyaux
US5511827A (en) * 1994-04-18 1996-04-30 Rasmussen Gmbh Push-fit connector for joining two fluid lines
US6173998B1 (en) * 1998-07-16 2001-01-16 Rasmussen Gmbh Plug-in coupling for connecting two fluid conduits
US20030098583A1 (en) * 2000-05-10 2003-05-29 Clinche Pascal Le Device for connecting an end piece to an element
DE20213806U1 (de) * 2002-09-06 2004-01-15 Veritas Ag Steckkupplung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362326A (en) * 1981-02-02 1982-12-07 The United States Of America As Represented By The Secretary Of The Army Disconnectable coupling

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280180A2 (fr) * 1987-02-21 1988-08-31 Heinrich Vorschepoth Raccord à emboîtement détachable pour tuyaux
US5284369A (en) * 1990-08-24 1994-02-08 Tokai Rubber Industries, Ltd. Quick connector
FR2678349A1 (fr) * 1991-06-28 1992-12-31 Attax Dispositif de raccordement de deux organes tubulaires.
EP0597711A1 (fr) * 1992-11-11 1994-05-18 John Derek Guest Raccords de tuyaux
US5511827A (en) * 1994-04-18 1996-04-30 Rasmussen Gmbh Push-fit connector for joining two fluid lines
US6173998B1 (en) * 1998-07-16 2001-01-16 Rasmussen Gmbh Plug-in coupling for connecting two fluid conduits
US20030098583A1 (en) * 2000-05-10 2003-05-29 Clinche Pascal Le Device for connecting an end piece to an element
DE20213806U1 (de) * 2002-09-06 2004-01-15 Veritas Ag Steckkupplung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194521B2 (en) 2009-07-14 2015-11-24 Volkswagen Ag Plug-in connector

Also Published As

Publication number Publication date
DE102004053541A1 (de) 2006-05-11

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