EP3542091A1 - Système de raccordement pour conduites acheminant un fluide - Google Patents

Système de raccordement pour conduites acheminant un fluide

Info

Publication number
EP3542091A1
EP3542091A1 EP17804127.3A EP17804127A EP3542091A1 EP 3542091 A1 EP3542091 A1 EP 3542091A1 EP 17804127 A EP17804127 A EP 17804127A EP 3542091 A1 EP3542091 A1 EP 3542091A1
Authority
EP
European Patent Office
Prior art keywords
coupling
locking
coupling device
coupling portion
portions
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Withdrawn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
EP17804127.3A
Other languages
German (de)
English (en)
Inventor
Robert Zbiral
Thomas Jessberger
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.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel 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 Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of EP3542091A1 publication Critical patent/EP3542091A1/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Withdrawn legal-status Critical Current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
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • 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
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/123—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using a retaining member in the form of a wedge
    • 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
    • F16L37/088—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 a split elastic ring
    • F16L37/0885—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 a split elastic ring with access to the split elastic ring from a radial or tangential opening in the coupling
    • 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
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
    • F16L37/142—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially
    • F16L37/144—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially the securing element being U-shaped

Definitions

  • the invention relates to a coupling device for connecting media-carrying lines, in particular for producing a quasi-rigid connection of media-carrying lines.
  • EP 2 501 979 B1 discloses a quick coupling for pipelines in the form of a connection device for a plug-in portion of a tubular or tubular conduit or a nozzle having an annular outer groove.
  • the connecting device comprises a housing, in which the plug-in portion can be inserted.
  • the connecting device also has a blocking element with which the plug-in section inserted into the housing can be locked in the housing.
  • the displacement securing the locking element is realized in the extension direction outside of the housing.
  • an outside of the housing arranged securing device is proposed.
  • the arrangement of such a security device outside the housing results in a simplified accessibility.
  • the securing device has an outer stop arranged on the outside of the housing, which lies opposite an outer end of the blocking element in the pre-assembled state in the extension direction. Such an outer stop causes a safeguard against displacement of the blocking element in the extension direction.
  • An object of the invention is to provide an inexpensive and easily assembled coupling device, which is particularly suitable for quasi-rigid media-carrying lines.
  • a coupling device having an outer coupling portion and an inner coupling portion and at least one locking element which is fastened with at least one connecting portion on one of the coupling portions and extending with one or more locking arc portions in the circumferential direction between the two coupling portions.
  • a coupling device for connecting media-carrying lines comprising a one-piece or multi-part outer coupling portion and a one-piece or multi-part inner coupling portion and at least one locking element which is attached to at least one connecting portion on one of the coupling portions and with one or more locking arc portions in the circumferential direction between extends the two coupling portions. At least one of the locking arc portions cooperates with a corresponding, at least partially encircling on the circumference of the other of the coupling portions locking portion.
  • Each of the locking elements may be fastened with at least one connecting portion on one of the coupling portions.
  • the at least one blocking element can be provided symmetrically or asymmetrically with respect to its at least one connecting section or to its several connecting sections.
  • the blocking element can be fixedly connected to one of the coupling sections or formed integrally or inserted as a separate component into the coupling section.
  • the individual components of the coupling device can be made of plastic, in particular a plastic filled with glass fiber.
  • polyamide (PA) can be used with various glass fiber fractions, such as, for example, PA GF30, PA GF50, or PA GF60, ie with 30%, 50% or 60% glass fiber content, depending on the desired strength.
  • PA polyamide
  • the coupling portions may be formed as circumferentially closed, one-piece components or on the circumference of several parts, such as shell-like, be formed.
  • the coupling device according to the invention is particularly suitable for producing a rigid or quasi-rigid connection, for example in charge air lines in motor vehicles or connections, in particular with high temperature and pressure loads on the connection.
  • the coupling device can easily compensate for the resulting during installation or by slight changes in position between connection points movements.
  • the coupling sections may be end sections of two pipes to be connected to each other.
  • the coupling device has at least one, for example on the outer coupling portion, arranged locking element, which comprises one or more locking arc portions extending in the circumferential direction around the inner coupling portion.
  • a blocking arc section of the blocking element can each extend on both sides of a connecting section arranged on the coupling section. If the inner coupling section is inserted into the outer coupling section, then the two locking arc sections are widened outwards and can then lock on further insertion of the inner coupling section in an at least partially circumferential locking section of the inner coupling section. Thus, the coupling device is closed and the inner coupling portion can not be pulled out of the outer coupling portion by merely pulling.
  • the Sperrbogenabitese are elastic, but designed rigid, so that they can be widened reversible and can snap back without pressure on any actuator back to its original position. In this way, a simple locking mechanism without additional separate Verrastungs institute be realized.
  • the blocking element can also be executed without a separate spring. By pulling in the axial direction alone or tilting of the coupling sections against each other, the coupling device can not be solved.
  • the blocking element is connected via the connecting portion with the coupling portion and can be manufactured together with this and / or even consist of the same material.
  • Locking element and coupling portion may be integrally formed.
  • the blocking element is manufactured in an injection molding process together with the coupling section.
  • the blocking element may be made of a different material than the coupling portion.
  • the blocking element can be manufactured in a two-component process together with the coupling section, which can both consist of different materials. It may be sufficient for a stable connection, when the locking arc portions engage around only a portion of the circumference of the inner coupling portion.
  • the coupling device may advantageously be designed to be compatible with a standard VDA coupling for pipe connections.
  • the blocking element may be arranged with its locking arc portions on the outer coupling portion and slide over the inner coupling portion and lock on the locking portion.
  • the locking element may be disposed on the inner coupling portion and inserted by compression in the outer coupling portion and then lock on a locking portion of the outer coupling portion by expanding by its elastic properties on reaching the paragraph of the locking portion again. Even so, a secure locking of the coupling device can be achieved.
  • At least one actuating element may be provided for opening the barrier arc sections on the blocking element. Then the blocking element can simply be opened from the outside. By introducing force into the actuating element, which is arranged on the Sperrbogenab- cut, the locking arc portion can be widened without additional tools in the circumferential direction, whereby the locking elbow portion can be released from the locking portion and the inner coupling portion can be pulled out of the outer coupling portion again.
  • the blocking element may be integrally formed on one of the coupling sections. Coupling portion and locking element can be advantageously carried out in one piece, so that they can be manufactured together, for example, in an injection molding process.
  • the blocking element can be integrally formed on the coupling portion to the coupling portion in order to produce both elements in an injection mold can.
  • Coupling section and locking element may consist of the same or different materials. In this way, the coupling direction are manufactured inexpensively.
  • the locking element is thereby captive and stable connected to the coupling portion.
  • the at least one blocking element is always in the correct position at the correct location. This avoids assembly errors, making them easier and safer.
  • the blocking element for proper installation in diameter by the inner coupling portion and / or by an actuating element can be reversibly expandable.
  • the inner coupling portion can be easily inserted into the outer coupling portion. Due to its elastic spring action, the blocking element with its locking arc sections can snap into the locking section arranged on the inner coupling section and thus lock the two coupling sections together. Thus, the coupling device is closed. To release the coupling device again, the locking element can be widened again and the inner coupling section can be pulled out of the outer coupling section again. Since the blocking element is reversibly expandable, it can also perform its function the next time an inner coupling section is inserted.
  • the actuating element can protrude through an opening in the outer of the coupling sections.
  • the actuating element can thereby have a greater length, and thus a larger lever arm, so that more force and better distributed can be applied when expanding the locking arc portion and so the coupling device can be solved more easily.
  • the position of the locking element via the actuating element can be detected optically and judge whether the locking element is also effectively locked in the locking portion.
  • the actuating element may have a supporting area in the circumferential direction. Supporting portions in the circumferential direction, which bear against the outer coupling portion on closing of the locking element on which the blocking element is arranged, can advantageously bring about additional stabilization and stiffening of the actuating elements for applying greater forces to the locking arc sections when the coupling device is opened. It is also particularly advantageous to increase the contact surface of the support region between the coupling sections, as a result of which greater forces can be transmitted.
  • the actuating element may be arranged adjacent to a free end of the locking arc portion.
  • a larger lever arm can be used, whereby the release operation is easier to perform.
  • the locking arc portion can be more easily solved by the locking portion with which it is locked.
  • the locking portion may be formed as at least partially or completely encircling, radially inwardly directed paragraph against the extension direction of the coupling portion, wherein the locking arc portion is applied in the assembled state as intended on the locking portion and is supported against the extension direction.
  • the Notched arch portion when the inner coupling portion is inserted into the outer coupling portion, in the expanded state to slide over the edge of the locking portion and then, when he has overcome the paragraph, snap and lock the inner coupling portion.
  • no simple release of the coupling device by axially extending the inner Kupplungsab- section from the outer coupling portion is possible, but to the locking element must first be expanded again.
  • the blocking element can be made in one piece with one of the coupling sections. This is a simple and inexpensive production of the outer coupling section with blocking element of the coupling device, for example by injection molding in a common tool, possible.
  • the blocking element can be produced with one of the coupling sections in an injection molding process.
  • the coupling portion may be made of a stronger material, while the blocking element has a greater elasticity and flexural rigidity.
  • the blocking element can be made in a two-component injection molding together with one of the coupling sections, but consist of a different material than the coupling portion.
  • the coupling portion may be made of a stronger material, while the blocking element has a greater elasticity and flexural rigidity.
  • the blocking element may be formed as a separate component and inserted into one of the coupling portions and preferably axially fixed via at least one connecting portion, and in particular secured with at least one locking element on the one coupling portion against loosening.
  • a coupling device can be realized, which is economically from standard plastics, even without glass fiber reinforcement, and with larger free inner diameters, in particular greater than 40 mm, can be displayed.
  • the coupling device may have an associated preassembled spring-elastic ring as a blocking element, wherein the coupling device can transmit greater forces, in particular greater than 300 N.
  • the blocking element can cover a large angular range for receiving the other of the two coupling sections.
  • angular ranges of the order of magnitude of 300 angular degrees can be represented, whereby a firm connection between the two coupling sections can be achieved.
  • the spring arms are provided on the peripheral opening opposite the end face with ribs as support elements, which serve to transmit power in the coupling portion. These ribs in the coupling portion engage in corresponding, partially or completely closed Abstütznuten in the form of pockets, whereby much higher forces than over the circumferential opening can be transmitted. This also higher technical requirements for a coupling device with the help of a resilient ring made of plastic as a blocking element can be realized economically.
  • the coupling section can be integrated into a corresponding housing, for example an air filter.
  • the coupling portion to be connected therewith which is provided with a sealing element if necessary, a tubular or tubular portion or a nozzle may also be formed of plastic. As an example, a clean air line is mentioned.
  • the blocking element can be manufactured separately and be detachably connected by plugging it into the one coupling section.
  • the blocking element can not be releasably connected to the coupling portion, for example via a non-releasable locking or by gluing or welding.
  • the blocking element may comprise at least one support element which extends in the circumferential direction.
  • the at least one support element in the assembled state with a corresponding, on the circumference of the coupling portion at least partially encircling support groove for axially securing the coupling device form-locking and / or non-positively co-operate.
  • the at least one support element can additionally absorb forces in the axial extension direction of the coupling device by immersion in the support groove of the coupling section and thus ensure a stable connection between the two coupling sections. For reasons of symmetrical force distribution, it is particularly advantageous if two opposing support elements are provided on a peripheral region of the blocking element.
  • At least one support region may be formed as a spring element extending in the circumferential direction and, when mounted as intended, on a be supported outside circumference of a coupling portion.
  • a locking force of the coupling device can be reliably achieved.
  • the support region ensures a secure connection between the two coupling sections, since the support region keeps the locking element closed by its spring action in the normal state. If the coupling device is to be released, the blocking element can be reversibly bent over the two actuating elements and the connection thus released. In this case, the locking force of the spring element must be overcome for bending the locking element, which is supported on the circumference of a coupling portion.
  • the other of the coupling portions may comprise a guide element which cooperates with a guide counter-element of a coupling portion and is positioned diametrically opposite the free ends of the locking arc sections.
  • the guide element secure the other of the coupling portions in the assembled state against tilting about a longitudinal axis. In this way it can be reliably prevented that the two coupling portions are tilted against each other, as would be possible, for example, under vibration, and are thus solved undesirable from each other.
  • the guide element can expediently be designed as a pipe-section-like extension of the coupling section over a certain angular range, for example over 180 degrees, which projects into the other coupling section.
  • the guide counter-element can be complementary to this as a pipe-section-like counterpart, for example as a recess formed.
  • the guide element and the guide counter element can engage in a suitable manner when the two coupling sections are brought together, whereby a preferred direction of the two coupling sections for assembly can also be represented, by means of which the coupling sections can be mounted in the correct position relative to the longitudinal axis in an angular position.
  • at least two orientation elements can be provided, by means of which the coupling sections can be mounted in the correct position relative to the longitudinal axis in an angular position.
  • the two coupling sections can be mounted oriented in this way.
  • the orientation elements can be realized, for example, as a nose on a coupling section and as an associated slot on the other coupling section.
  • the orientation elements can advantageously also serve as anti-rotation.
  • At least one marking for detecting a latching of the blocking element in the blocking section can be arranged by means of a position of the at least one actuating element on at least one coupling section.
  • the position of the actuating elements show the state of locking of the blocking element in the locking section. Therefore, it is easily possible, for example, via markers, which correlate with the position of the actuators, to assess the state of the coupling device. In this way, a reliable statement about the state of the lock is possible without having to burden the coupling device to train.
  • a sealing groove may be provided on at least one of the coupling portions, which is formed on the circumference of the corresponding coupling portion in the mounting direction at least partially undulating. This allows when inserted, in particular in the mounting direction, brought by the receiving geometry of the sealing groove in a correspondingly wave-shaped course a favorable reduction of the assembly force for establishing the connection between the coupling sections.
  • the use of the coupling device for producing a quasi-rigid connection of media-carrying lines, in particular low-pressure and / or high-pressure side lines in an air intake system or media-carrying housings with connecting pieces and lines is proposed.
  • the coupling device can easily compensate for the resulting during installation or by slight changes in position between connection points movements. This also makes it possible in a simple manner to produce a secure and reliable connection between two coupling sections, which can be released in a likewise simple manner without tools.
  • a coupling portion for a coupling device with a blocking element having at least one of the circumference of the coupling portion at least partially adapted locking arc portion, the intended in the mounted state with a corresponding, on the circumference of another coupling portion at least partially circumferential locking portion cooperates so that in the mounted state of the coupling portions an axial movement between the coupling portions can be limited.
  • the coupling section may be part of a pipeline, which is to be connected via the coupling device with another pipeline.
  • the operation can be simplified by at least one actuating element, which is provided for opening the barrier arc sections on the blocking element.
  • the blocking element for the intended assembly in diameter can be reversibly expandable. Since the blocking element is reversibly expandable, it can also perform its function the next time an inner coupling section is inserted. The coupling portion with blocking element is so reusable.
  • a coupling portion for a coupling device with a circumferentially at least partially encircling locking portion which cooperates as intended in the mounted state with a corresponding, at least partially adapted to the circumference of another coupling portion Sperrbogenab songs a locking member so that an axial movement between the coupling sections can be limited.
  • the coupling section may be part of a pipeline which is to be connected via the coupling device to a further pipeline. It is also easy to do this produce safe and reliable connection between two coupling sections, which is equally easy to detach again without tools.
  • the locking portion may be formed as a circumferential radially inwardly directed paragraph against the extension direction of the coupling portion, wherein the locking arc portion rests against the locking portion when properly mounted and is supported against the extension direction.
  • a blocking element for a coupling device which has at least one locking arc section at least partially adapted to the circumference of the coupling section.
  • the blocking arc section cooperates with at least one corresponding blocking section which at least partially surrounds the circumference of another coupling section in such a way that an axial movement between the coupling sections can be limited in the assembled state of the coupling sections.
  • the blocking element has at least one connecting portion for attachment to one of the coupling portions, and in particular at least one locking element for securing against loosening of the one coupling portion. In this way, advantageously a tool-free releasable, quick coupling device made of plastic can be displayed.
  • the blocking element can be manufactured separately and be detachably connected by plugging it into the one coupling section.
  • the blocking element can not be releasably connected to the coupling portion, for example via a non-releasable locking or by gluing or welding.
  • a coupling device can be realized, which is economically from standard plastics, even without glass fiber reinforcement, and with larger free inner diameters, in particular greater than 40 mm, can be displayed.
  • the coupling device may have an associated preassembled spring-elastic ring as a blocking element, wherein the coupling device can transmit greater forces, in particular greater than 300 N.
  • the blocking element can cover a large angular range for receiving the other of the two coupling sections.
  • angular ranges of the order of magnitude of 300 angular degrees can be represented, whereby a firm connection between the two coupling sections can be achieved.
  • Figure 1 is an isometric view of a coupling device according to an embodiment of
  • Figure 2 is an isometric view of the outer coupling portion of the coupling device of Figure 1;
  • Figure 3 shows a longitudinal section through the coupling device of FIG. 1 in closed
  • Figure 4 shows a cross section through the coupling device of Figure 1 in the closed position along the section line B-B in Fig. 3.
  • Figure 5 shows a longitudinal section through the coupling device of Figure 1 in the open position.
  • Figure 6 is a cross-section through the coupling device of Figure 1 in the open position along the section line B-B in Fig. 5.
  • Figure 7 shows a longitudinal section through the coupling device of FIG. 1 in half-opened
  • Figure 8 is a cross-section through the coupling device of Figure 1 in a half-opened position along the section line B-B in Fig. 7.
  • Figure 9 is an isometric view of a coupling device according to another embodiment of the invention.
  • Figure 10 is a longitudinal section through the coupling device of FIG. 9 in closed
  • Figure 1 1 shows a cross section through the coupling device of Figure 9 in the closed position along the section line F-F in Fig. 10.
  • FIG. 12 shows an isometric view of a coupling device according to an embodiment of the invention with a sealing groove extending at least partially undulating on the circumference in the mounting direction;
  • Figure 13 is an isometric view of a coupling portion of a coupling device according to an embodiment of the invention.
  • FIG. 14 an exploded view of a coupling device according to a further embodiment of the invention with a separate blocking element
  • Figure 15 is an isometric view of the locking member of the coupling device of Figure 14;
  • Figure 16 is an isometric view of the locking member of the coupling device of Figure 14 from the back;
  • Figure 17 is an isometric view of a coupling portion of the coupling device according to
  • FIG. 14 with mounted blocking element
  • FIG. 18 shows a plan view of the coupling section according to FIG. 17 with section planes A4-A4 and A5-A5 drawn in;
  • FIG. 19 shows a longitudinal section through the coupling section according to FIG. 18 along the section line
  • FIG. 20 shows a longitudinal section through the coupling section according to FIG. 18 along the section line
  • Figure 21 is an isometric view of the coupling device of Figure 14 in the assembled condition
  • Figure 22 is a longitudinal section through the coupling device of Figure 21;
  • Figure 23 is a plan view of the coupling portion with mounted locking element of Figure 17 with drawn cutting planes A2-A2 and A3-A3;
  • Figure 24 is a longitudinal section through the coupling portion with mounted locking element after
  • FIG. 23 along the section line A2-A2;
  • Figure 25 shows a longitudinal section through the coupling portion with mounted locking element after
  • FIG. 23 along the section line A3-A3;
  • Figure 26 shows a longitudinal section through a coupling device according to a further embodiment in a dissolved state
  • Figure 27 is an isometric view of the coupling device of Figure 26.
  • Figure 28 is a longitudinal section through the coupling device of Figure 26 in the assembled state.
  • Figure 1 shows an isometric view of a coupling device 10 according to one embodiment of the invention
  • Figure 2 is an isometric view of the outer coupling portion 20 is shown.
  • the coupling device 10 is arranged on the housing 80 of an air filter system, which is partially shown.
  • FIG. 3 a longitudinal section through the coupling device 10 and in FIG. 4 a cross section through the coupling device 10 along the section line B-B according to FIG. 3 are shown.
  • the coupling device 10 which is used for the quasi-rigid connection media-carrying lines, for example, in particular low- and / or high-pressure side lines 1 10 in an air intake system or media-carrying housings with connecting pieces and lines, has an outer coupling portion 20 and an inner coupling portion 40 and, for example a blocking element 60.
  • the outer coupling portion 20 is shown in Figure 1 as part of a housing 80, which may be, for example, the housing of an air filter system.
  • the outer coupling Section 20 is shown in the form of a connecting piece.
  • the inner coupling portion 40 may, for example, be arranged at the end of an air-carrying pipe 110.
  • the coupling device 10 can also be used on other components which provide a connection of fluid-carrying tubes.
  • the inner coupling portion 40 is inserted with its free end in the outer coupling portion 20, so that the coupling device 10 is shown with the locking element 60 in the closed state.
  • the actuating elements 66, 68 for opening the locking element 60 protrude through the openings 22, 24 in the outer coupling portion 20 to the outside, so that they are easily accessible and can be operated without tools.
  • the two locking arc sections 62, 64 of the blocking element 60 arranged on the outer coupling section 20 can be seen, which extend in the circumferential direction in the interior of the outer coupling section 20.
  • the blocking element 60 is connected to the outer coupling section 20 via two connecting sections 72, 73.
  • the barrier sheet sections 62, 64 can be radially swung out via the actuators 66, 68 which project outwardly through openings 22, 24 through the outer coupling section 20.
  • the blocking arc sections 62, 64 have support areas 67, 69, 77, 79 for reinforcement on their circumference, in particular in the area of the actuating elements 66, 68, wherein the supporting areas 67, 69, 77, 79 also protrude through openings of the outer coupling section 20 to the outside to ensure the necessary freedom of movement when swinging the locking sheet sections 62, 64.
  • FIG 3 is shown in longitudinal section of the closed coupling device 10, as the inner coupling portion 40 is inserted into the outer coupling portion 20 and the two Sperrbogen- sections 62, 64 of the arranged on the outer coupling portion 20 locking member 60 at the circumferential corresponding locking portion 52 of the inner Coupling portion 40 can engage when the inner coupling portion 40 is inserted so far into the outer coupling portion 20, that a circumferential stop 46 at the open end 30 of a circumferential groove 38 of the outer coupling portion 20 is applied.
  • the circumferential groove 38 shown is advantageous because it completely covers the locking element 60 towards the outside and thus protects it.
  • the locking portion 52 is formed as a circumferential, radially inwardly directed shoulder 44, in the illustrated embodiment in the form of a groove, against the extension direction L of the coupling portion 40, wherein the locking arc portion 62, 64 abuts in the intended assembled state of the locking portion 52 and against the Extension direction L is supported.
  • the inner coupling portion 40 is secured against being pulled out of the outer coupling portion 20 in the pull-out direction L.
  • the coupling device 10 is sealed by means of a sealing groove 54 inserted in a seal 56, for example, an O-ring seal which bears against an inner wall of the outer coupling portion 20.
  • a sealing groove 54 inserted in a seal 56, for example, an O-ring seal which bears against an inner wall of the outer coupling portion 20.
  • the blocking element 60 is fastened to the outer coupling section 20 with two connecting sections 72, 73 and extends in the circumferential direction on both sides of the connecting sections 72, 73 in each case with a locking arc section 62, 64 between the two coupling sections 40, 20.
  • the blocking element 60 has the circumference the coupling portion 20 at least partially adapted Sperrbogenab- sections 62, 64 on.
  • the blocking element 60 is reversibly expandable for proper assembly by inserting the inner coupling portion 40 in the outer coupling portion 20 in diameter through the inner coupling portion 40 and cooperates with the circumferential locking portion 52 together that in the mounted state of the coupling portions 20, 40 axial movement between the coupling portions 20, 40 is limited.
  • the locking arc portions 62, 64 abut against the peripheral shoulder 44 of the blocking portion 52.
  • the inner coupling portion 40 bears against the free end 30 of the outer coupling portion 20 with the stop 46, the inner coupling portion 40 is fixed in the extension direction L by the locking sheet portions 62, 64 resting against the shoulder 44.
  • the actuating elements 66, 68 are provided on the blocking element 60, which are arranged adjacent to the free ends 74, 76 of the barrier arc sections 62, 64.
  • the actuating elements 66, 68 each have a support region 67, 69, 77, 79 in the circumferential direction, which reinforces the actuating element 66, 68 for applying greater forces to the barrier arc section 62, 64 and, in particular, provides a larger contact surface of the support region.
  • Actuators 66, 68 and support portions 67, 69 protrude through the openings 22, 24 and the support portions 77, 79 through the openings 82, 84 in the outer edge of the outer coupling portion 20 to the outside, so that the locking element 60 by pressing apart the actuating lever 66, 68 in Circumferential direction and thus the barrier sheet sections 62, 64 can be expanded.
  • the barrier sheet portions 62, 64 thus lift off from the shoulder 44 of the locking portion 52, whereby the inner coupling portion 40 can be pulled out of the outer coupling portion 20.
  • the blocking element 60 is integrally formed with the connecting sections 72, 73 on the coupling section 20 and produced in one piece therewith, as a result of which the coupling device 10 can be produced cost-effectively overall.
  • the blocking element 60 can also be produced with the coupling section 20 in an injection molding process, for example in a two-component injection molding process.
  • coupling portion 20 and locking element 60 can be made in different materials, for example, if the coupling portion 20 should have greater strength than the elastic and rigid blocking element 60, which is to be reversibly expandable to open the coupling device 10.
  • the coupling device 10 is shown in the open position in each case in longitudinal section and cross section. In this position, the two locking sheet portions 62, 64 are released from each other.
  • the two locking arc portions 62, 64 are pivoted outwardly, so that they stand out from the shoulder 44 of the locking portion 52. As a result, the inner coupling portion 40 is no longer fixed in the extension direction L and can be pulled out of the outer coupling portion 20.
  • the barrier sheet portions 62, 64 may abut in the illustrated example in the open position on an inner wall of the outer coupling portion 20. It can also be a lateral concern of the actuators 66, 68 carried on the coupling portion 20 before a barrier arc portion 62, 64 abuts the inner wall. As in the embodiment according to FIG. 13, no inner wall can be provided.
  • the coupling device 10 is shown in half-open position, respectively in longitudinal section and cross section.
  • the two locking sheet portions 62, 64 are pivoted outwardly to be seen in a position which lies between the closed and the open position.
  • Figures 9 to 1 1 show a further embodiment of the coupling device 10.
  • Figure 9 shows an isometric view of a housing 80 disposed on a coupling device 10, wherein an outer coupling portion 20 with the housing 80 fixedly connected, for example, integral with the housing 80, is executed , An inner coupling portion 40 is inserted into the outer coupling portion 20 and locked by means of a locking element 60.
  • the coupling device 10 has marking devices 26, 28 for detecting a position of the coupling device 10.
  • the position of the actuating elements 66, 68 coincides with the markings 26, 28 applied to the outer coupling part 20, so that the latching of the blocking element 60 can be seen from the outside.
  • two orientation elements 36, 42 are provided on the two coupling sections 20, 40, by means of which the coupling sections 20, 40 can be mounted in the correct position relative to the longitudinal axis in an angular position.
  • One of the orientation elements 36 may be, for example, a slot on the circumference of the outer coupling portion 20, while the other orientation element 42 may be a nose on the circumference of the inner coupling portion 40, which fit together when mating the two coupling portions 20, 40 and so an angular position relative to the Set longitudinal axis of the two coupling portions 20, 40 about the longitudinal axis when mating.
  • FIG. 10 shows a longitudinal section of the coupling device 10 according to FIG. 9.
  • the blocking section 52 of this embodiment is made wider in the axial direction.
  • the barrier sheet sections 62, 64 lie in the extension direction L only on the shoulder 44, while the fixation of the inner coupling portion 40 in the opposite direction by a concern of the outer stop 46 at the free end 30 of the outer coupling portion 20 takes place.
  • Figure 1 1 shows a cross section through the coupling device 10 of Figure 9 in the closed position along the section line FF in Figure 10.
  • the blocking element 60 is connected only via a connecting portion 72 with the outer coupling portion 20.
  • the barrier sheet portions 62, 64 each have only one support portion 67, 69, which is connected to the actuating elements 66, 68 and pivots through the openings 22, 24 during pivoting of the locking sheet portions 62, 64 to the outside.
  • the blocking element 60 by being connected to the outer coupling section 20 only via a connecting section 72, can have greater elasticity, so that it is easier to open and thus the inner coupling section 40 can be pulled out of the outer coupling section 20.
  • Figure 12 shows an isometric view of a coupling device 10 with not yet connected coupling portions 20, 40, which corresponds to produced connection between the coupling portions 20, 40 from the outside in Figure 10.
  • a wave-shaped groove 57 is provided with a corresponding, brought by the receiving geometry in a wave-shaped course seal 58 on the inner coupling portion 40.
  • the sealing groove 57 for the seal 58 along the circumference of the coupling portion 40 in the mounting direction at least partially, in particular in the mounting direction, a wave-shaped course, the expended assembly force for closing the coupling device 10 can be advantageously reduced.
  • FIG. 13 shows a variant of the outer coupling section 20 in FIG. 3.
  • this embodiment provides, for example, that only in the region of the connecting section 72 of the blocking element 60 and in the region of the respective support regions 67, 69 are arranged adjacent to the actuating elements 66, 68 at the free ends of the locking arc portions 62, 64, a stable connection to the outer wall of the coupling portion 20 is provided.
  • the outer wall of the outer coupling portion 20 has two recesses 21 each between the support portions 67, 69 and the connecting portion 72.
  • FIG. 14 shows an exploded view of a coupling device 10 according to a further embodiment of the invention with a separate blocking element 60.
  • the blocking element 60 is shown in FIGS.
  • the blocking element 60 for the coupling device 10 has two locking arc sections 62, 64 which are at least partially adapted to the circumference of the coupling section 20. These act in the assembled state with at least one corresponding, on the circumference of the other coupling portion 40 at least partially circumferential locking portion 52 together so that in the assembled state of the coupling portions 20, 40 axial movement between the Kupplungsab- sections 20, 40 can be limited.
  • the blocking element 60 further comprises two connecting sections 72, 73 for Attachment to one of the coupling portions 20, 40, and in particular at least one locking element 86 for securing against loosening of the one coupling portion 20, 40 on.
  • the blocking element 60 is formed in this embodiment of the coupling device 10 as a separate component and can be inserted into one of the coupling portions 20 and preferably axially fixed via the connecting portions 72, 73.
  • the locking element 60 with the locking element 86 which is designed as a latching hook, are secured to the coupling portion 20 against accidental release.
  • the support regions 77, 79 are designed as spring elements extending in the circumferential direction and, when mounted as intended, are supported on an outer circumference of the one coupling section 20.
  • the blocking element 60 can be inserted through the slot-shaped circumferential opening 22 in the coupling portion 20 in the illustrated direction of the arrow.
  • the coupling portion 20 is shown as part of a housing 80 and forms the outer of the coupling portions 20, 40.
  • the locking element 60 is inserted with the two pin-shaped connecting portions 72, 73 in corresponding receptacles 82, 84 of the coupling portion 20 and is thus stable with the coupling portion 20 connected.
  • the detent element 86 designed as a snap hook locks in a corresponding detent counterpart element 92 of the coupling section 20.
  • the detent element 60 is secured against unintentional release by slipping out of the connecting sections 72, 73 from the receptacles 82, 84.
  • the holding force of the locking element 86 could be overcome and the locking element 60 are solved so tool-free and non-destructive again from the catch to pull it out of the coupling portion 20.
  • the two support regions 77, 79 formed as spring arms lie closely in the circumferential groove 88 of the coupling section 20 and are thus supported on the outer circumference of the coupling section 20.
  • the two locking arc portions 62, 64 are held in their normal position and fixed against bending.
  • the support regions 77, 79 are connected via the support regions 67, 69 with the barrier arc sections 62, 64.
  • the actuators 66, 68 which are arranged on the support areas 67, 69, the barrier sheet sections 62, 64 can be bent.
  • the locking force of the support regions 77, 79 must be overcome, which is applied by supporting the support regions 77, 79 on the outer circumference of the coupling section 20 in the circumferential groove 88.
  • the blocking element 60 has two supporting elements 96, 98, which extend in the circumferential direction, as can be seen in particular in FIG. 16.
  • the support elements 96, 98 can cooperate in the assembled state with a corresponding, on the circumference of the coupling portion 20 at least partially surrounding support groove 94 for axial securing.
  • the support elements take this 96, 98 forces on blocking arc sections 62, 64 in the extension direction L (see FIG. 22) and transmit them to the coupling section 20, or the housing 80, so that these forces need not be borne solely by the annular end face 90 of the coupling section 20.
  • the coupling portion 40 which is arranged at the end of the tube 110, can be pushed into the coupling portion 20 when the blocking element 60 is mounted in the direction of the arrow through the free opening, which is formed by the locking arc portions 62, 64.
  • the locking arc portions 62, 64 are slightly bent apart until the locking arc portions 62, 64 come to lie in the locking portion 52 of the coupling portion 40, whereby the coupling portion 40 is connected to the coupling portion 20.
  • the arranged on the outer circumference of the coupling portion 40 seal 56 seals the coupling device 10 from the environment.
  • the stop 46 may assist in the accurate positioning of the coupling portion 40 in the coupling portion 20 during assembly.
  • FIG. 17 shows an isometric view of the coupling section 20 of the coupling device 10 according to FIG. 14 with mounted blocking element 60.
  • the blocking element 60 has been pushed through the opening 22 into the coupling section 20, wherein the connecting sections 72, 73 of the blocking element 60 in the receptacles 82 , 84 of the coupling portion 20 are inserted.
  • the locking element 86 engages with the locking counter-element 92 and thus secures the locking element 60 against unintentional release of the coupling portion 20.
  • the support portions 77, 79 of the locking element 60 are in the mounted state in the circumferential groove 88 and are supported in the circumferential groove 88 , As a result, the spring force is generated against opening of the locking sheet sections 62, 64.
  • FIG. 18 shows a plan view of the coupling section 20 with the mounted blocking element 60 according to FIG. 17 with the cutting planes A4-A4 and A5-A5 drawn in.
  • FIG. 19 shows a longitudinal section through the coupling section 20 according to FIG. 18 along the section line A4-A4, while FIG. 20 shows a longitudinal section through the coupling section 20 according to FIG. 18 along the section line A5-A5.
  • FIG. 19 shows the engagement of the connecting elements 72, 73 of the blocking element 60 in the corresponding receptacles 82, 84 of the coupling section 20.
  • the locking element 86 can be seen.
  • the locking arc portions 62, 64, and the support portions 67, 69, and 77, 79 can be seen in section, as well as the actuators 66, 68, which are arranged opposite one another in the region of the free ends 74, 76.
  • FIG. 20 shows an isometric view of the coupling device 10 of Figure 14 in the assembled state, while in Figure 22 is a longitudinal section through the coupling device 10 of Figure 21 is shown.
  • the coupling portion 40 is inserted into the coupling portion 20 in which the locking member 60 is mounted.
  • the coupling device ensures a tight connection of the two coupling portions 20, 40, which, for example, on the one hand, a housing 80 with a pipe 1 10, in particular an air guide assembly connect.
  • a housing 80 with a pipe 1 10, in particular an air guide assembly connect In longitudinal section in Figure 22, the details of the individual fasteners can be seen.
  • the coupling portion 40 In the assembled state of the coupling device 10, the coupling portion 40 is pushed to the stop 46 in the coupling portion 20. In a force action in the extension direction L of the locking ring 60 is applied to the coupling portion 20, 40 at.
  • the arranged in their sealing groove 54 radial seal 56 seals the two coupling portions 20, 40 against each other.
  • the coupling portion 40 is fixed by the locking member 60 fixed in the coupling portion 20 against detachment in the extension direction L.
  • the locking arc portions 62, 64 which are connected via the support portions 67, 69 with the actuators 66, 68, in the locking portion 52 of the coupling portion 40 at.
  • the locking portion 52 is formed as a circumferential, radially inwardly directed shoulder 44 against the extension direction L of the coupling portion 40, wherein the locking arc portion 62, 64 in accordance with the intended condition rests against the locking portion 52 and is supported against the extension direction L.
  • the support elements 96, 98 dip into the support groove 94 of the coupling portion 20 and thus take any extraction forces that can act on the locking element 60, and transfer them to the coupling portion 20th
  • the locking element 86 of the locking element 60 is latched to the locking counter-element 92 of the coupling portion 20 and thus secures the locking element 60 against unintentional release of the coupling portion 20th
  • FIG. 23 shows a plan view of the coupling section 20 with mounted blocking element 60 according to FIG. 17 with the cutting planes A2-A2 and A3-A3 drawn in.
  • FIG. 24 shows a longitudinal section through the coupling section 20 with mounted blocking element 60 according to FIG. 23 along the section line A2-A2 with the focus on the connection between blocking element 60 and coupling section 20.
  • one of the connecting portions 72 can be seen, which is inserted into the corresponding receptacle 82 of the coupling portion 20.
  • FIG. 25 shows a longitudinal section through the coupling section 20 with mounted blocking element 60 according to FIG. 23 along the section line A3-A3 with focus on the upper part of the blocking element 60 in the region of the actuating element 68.
  • the blocking element 60 dips into the slot-shaped circumferential opening 22 with the locking arc section 64.
  • the support member 98 is located in the support groove 94 of the coupling portion 20 to transmit forces in the extension direction L and support.
  • FIG. 26 shows a longitudinal section through a coupling device 10 according to a further embodiment in a dissolved state, in which the coupling portion 40 is shown pulled out of the coupling portion 20.
  • FIG. 27 shows an isometric view of the coupling device 10 according to FIG. 26 and
  • FIG. 28 shows a longitudinal section through the coupling device 10 according to FIG. 26 in the assembled state.
  • the coupling portion 40 in the embodiment shown in Figure 26 has a guide member 100 which cooperates with a guide counter-element 102 of the other coupling portion 20 and diametrically opposite the free ends 74, 76 of the locking sheet portions 62, 64 can be positioned.
  • the guide member 100 thus secures the coupling portion 40 in the assembled state against tilting about a longitudinal axis.
  • the guide element 100 is realized as a tubular extension of the coupling portion 40, which is formed over half the pipe circumference, while the guide counter-element 102 in the coupling portion 20 forms the complementary complementary piece. If the coupling section 40 is pushed into the coupling section 20, guide element 100 and guide counter element 102 engage in one another. As a result, it is only possible to close the coupling device 10 in this position of the coupling sections 20, 40. A rotation of coupling portion 40 against coupling portion 20 about the axial direction is not possible.
  • the guide member 100 is the free ends 74, 76 of the locking arc portions 62, 64, where the substantial fixation of the coupling portion 40 by abutment of the locking arc portions 62, 64 in the locking portion 52 formed by the shoulder 44, arranged opposite.
  • the guide member 100 secures against tilting of the coupling portion 40 against the coupling portion 20 about the longitudinal axis and thus against unintentional release of the coupling portion 40 from the coupling device 10. Tilting of the coupling portion 40 is no longer possible or at least only to a very small extent possible, whereby the release from the coupling device 10 can be prevented.

Landscapes

  • 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 système de raccordement (10) servant à assembler des conduites acheminant un fluide et comportant une section de raccordement extérieure (20) en une ou plusieurs parties et une section de raccordement intérieure (40) en une ou plusieurs parties, ainsi qu'au moins un élément de blocage (60) qui est fixé à une des sections de raccordement (20, 40) par au moins une section d'assemblage (72, 73) et qui s'étend dans la direction périphérique entre les deux sections de raccordement (40, 20) par une ou plusieurs sections de blocage arquées (62, 64). Au moins une des sections de blocage arquées (62, 64) coopère avec une section de blocage (52) correspondante au moins en partie périphérique présente sur la périphérie de l'autre section de raccordement (40, 20).
EP17804127.3A 2016-11-18 2017-11-14 Système de raccordement pour conduites acheminant un fluide Withdrawn EP3542091A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016013752.5A DE102016013752A1 (de) 2016-11-18 2016-11-18 Kupplungsvorrichtung für medienführende Leitungen
PCT/EP2017/079230 WO2018091478A1 (fr) 2016-11-18 2017-11-14 Système de raccordement pour conduites acheminant un fluide

Publications (1)

Publication Number Publication Date
EP3542091A1 true EP3542091A1 (fr) 2019-09-25

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EP17804127.3A Withdrawn EP3542091A1 (fr) 2016-11-18 2017-11-14 Système de raccordement pour conduites acheminant un fluide

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US (2) US11125371B2 (fr)
EP (1) EP3542091A1 (fr)
CN (2) CN109964072B (fr)
DE (2) DE102016013752A1 (fr)
FR (1) FR3059076B1 (fr)
WO (1) WO2018091478A1 (fr)

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* Cited by examiner, † Cited by third party
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US11174799B2 (en) * 2018-03-05 2021-11-16 Vitesco Technologies USA, LLC Integrated VDA housing with anti-rotation feature

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Also Published As

Publication number Publication date
DE102016013752A1 (de) 2018-05-24
US20190271425A1 (en) 2019-09-05
US11125371B2 (en) 2021-09-21
WO2018091478A1 (fr) 2018-05-24
DE112017005830A5 (de) 2019-08-08
CN108071886B (zh) 2022-07-26
CN108071886A (zh) 2018-05-25
CN109964072A (zh) 2019-07-02
FR3059076B1 (fr) 2022-01-07
US11680670B2 (en) 2023-06-20
CN109964072B (zh) 2021-07-09
US20180142823A1 (en) 2018-05-24
FR3059076A1 (fr) 2018-05-25

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