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
  • F16L31/00—Arrangements for connecting hoses to one another or to flexible sleeves
• • 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
  • F16L37/20—Joints tightened by toggle-action levers

Definitions

• the present invention relates to an arrangement for a coupling to permit the detachable coupling of hoses, pipes and similar with bodies exhibiting an internal flow space.
• a coupling to permit the detachable coupling of hoses, pipes and similar with bodies exhibiting an internal flow space.
• French patent application 1,197,185 relates to a hose connection which in itself permits the connection of hose ends with a uniform internal flow bore, but which appears to be complicated with regard both to its construction and its function.
• the previously disclosed coupling is made up of a large number of components, in the form of two axially split coupling parts which exhibit ar. internal holding bead so arranged as to be accommodated in a matching groove, which extends around the circumference of one of the hose ends and is held securely in position after screwing on an external clamping ring, the internal threads of which interact with external threads of the two coupling parts, when these are brought together to form a sleeve.
• a further sleeve which is threaded onto the remaining second hose end, and which exhibits a stop component and internal threads, is so arranged as to force said hose end against that hose end through the interaction between said stop component and a bead in the hose end, after the sleeve has been screwed onto the united coupling components.
• the hose ends and the connection components accordingly require to be specially shaped.
• USA 935,587 shows a hose coupling arrangement in which the possibility is not afforded of achieving a uniform cross-section internally in the coupling viewed in the direction of flow.
• the principal object of the present invention is thus, in the first place, to make available an arrangement of the aforementioned kind, which simply and effectively solves said problems by making available a coupling which exhibits a constant flow cross-section on the inside of the coupling.
• At least one sleeve- shaped coupling component which, when in the coupling position, at least partially encloses an associated flow body, and with which a flow body and a coupling component are capable of being connected by means of a screw or some other connecting device, is displaced relative to said associated flow body, so that the ends of said body and its associated coupling component intended for the coupling are displaced relative to one another along the intended direction of flow for said coupling component and flow body, and in that a body/bodies and/or a coupling component/components situated at the ends of the coupling exhibit an essentially uniform internal flow bore in order to provide an essentially constant flow past the coupling.
• Fig. 1 shows a first illustrative embodiment of a coupling in accordance with the invention depicted as a section in the longitudinal sense of the coupling and in the connected position
• Fig. 2 shows a second illustrative embodiment of a coupling, similarly depicted in the connected position and in longitudinal section;
• FIG. 3 shows a third illustrative embodiment of a coupling, depicted in the disconnected position;
• Fig. 4 shows a part of the joints of a coupling;
• Fig. 5 shows a further part of the joints of a further coupling
• Fig. 6 shows the intended coupling in the third illustrative embodiment in the connected position.
• an arrangement 1 for a coupling -2 which is intended to permit the detachable coupling of a number of hoses, pipes and similar flow bodies 3, 4, which internally exhibit a suitable flow space 5, 6, comprises at least one coupling component 7, 8, which, when in the coupling position I as shown in Fig. 1, at least partially encloses an associated flow body 3 and 4, and is displaced relative to said associated flow body 3 and 4, so that the ends 3A, 7A and 4A, 8A of said body and its associated coupling component intended for the coupling are displaced relative to one another along the intended direction of flow 9 for said coupling component 7, 8 and flow body 3, 4.
• the bodies 3 and 4 situated at the ends 2A, 2B of the coupling and intended for coupling exhibit an essentially uniform internal flow bore d, D in the area of the joint 10 formed by the bodies between the ends 3A,. 4A of the bodies, in order to provide an essentially constant flow past the coupling 2.
• Fig. 1 in the drawings in conjunction with a first illustrative embodiment of a coupling arrangement 1 in accordance with the invention.
• Said tensioning device 12, 13 appropriately comprises tensioning device elements 13 connected to the respective coupling component 7, 8, such as a hook-shaped catch, and a hoop- shaped tensioning hook 12, which function preferably according to the so-called over-centre function.
• the coupling components 7, 8 may exhibit labyrinth-like parts 17-20 at their respective aforementioned ends 7A, 8A which face one another.
• Said parts may preferably comprise step- like shoulders 18, 20 with matching notches 17, 19 to accommodate said shoulders 18, 20, whereby a tight, so- called labyrinth seal 16 can be achieved in the coupling 2 in question.
• the ends 7A, 8A of the coupling components which face in a direction 14, 15 towards one another preferably exhibit a flat end surface 24, 25 appropriately extending perpendicularly in relation to the central axis 23 of the intended, associated connecting flow body 3, 4.
• the purpose thereof is to permit a tight seal to be achieved between, for example, the ends 3A, 4A of hoses or the ends of other appropriate flow bodies 3, 4, by introducing the ends 3A, 4A of said bodies through the respective coupling component 7, 8 for a distance such that the bodies 3, 4 can be neatly trimmed from the outside before the flow body 3, 4 and the coupling component 7, 8 have been joined together with an accurate and perpendicular cut. face with the aid of said end surface 24, 25 of the respective coupling component.
• connection of the coupling components 7 , 8 to the enclosed flow bodies 3, 4 is appropriately achieved in that screw accommodating holes 26 , which pass from the outer surface 7C, 8C of the respective coupling component all the way through the material of the coupling components 7, 8, are distributed around and along said outer surface 7C, 8C for the purpose of accommodating screws, etc., 11 capable of interacting with the internal hose 3, 4 or some other flow body intended for the coupling, such as is illustrated, for example, in the drawings in Fig. 1, in order to absorb tractive forces which can act on said hose, etc. , 3 , 4.
• the invention is also applicable to mechanical connection, as shown in Figs. 3 and 6, in conjunction with which a sleeve-shaped first coupling component 107 may be connected in the manner described above to a hose 103 or some other flow body by means of fixing screws or other appropriate connecting ' devices 111 which are accommodated in matching openings 126 in the coupling component 107.
• the respective ends 107A and 103A of said coupling component and flow body intended for coupling are appropriately displaced relative to one another in order to be suitable for connection with a second coupling component 150, which exhibits matching, labyrinth-like parts 117, 118; 151, 152 which are situated between the coupling components 107, 150 at their ends 103A, 107A; 150A facing one another and intended for coupling, being preferably similarly step- shaped shoulders with matching notches to accommodate said shoulders, so that a tight joint 116 can be produced between the components.
• Said second coupling component 150 which at its opposite end 150B may be connected, for example by means of internal threaded devices 153, to an appropriate line, for example a claw coupling 154 of a previously disclosed kind, enabling it to be connected to, for example, a machine of an appropriate kind, for example a container intended to hold a sprayable medium, for example concrete, etc. , exhibits the same internal flow cross-section D c as the flow cross-section d c exhibited by said flow body 103.
• Said coupling components 107, 150 may also exhibit at their respective ends 107A, 150A similar matching interacting tensioning devices 112, 113 to those in the earlier embodiment, in order also to permit the detachable compression of the coupling components 107; 150 in a direction 114; 115 towards one another, which tensioning devices 112, 113 preferably comprise tensioning device elements connected to the respective coupling component, such as a catch and a tensioning hook, for example, preferably with a so-called over-centre function.
• the ends 103A, 107A; 150A of the coupling components which face towards one another and interact with one another, with the coupling in its connected position ready for flow to take place, are displaced laterally along the direction of flow 109 in the flow bodies from one end of said flow body, which flow body 103 is accommodated in said first coupling component 107 in such a way that an essentially constant flow cross-section d c ; D c is achieved internally within the flow body 103 and said second coupling component 150 in the area of the joint 116 formed between said components.
• the coupling 2 1 shown in Fig. 2 resembles the coupling 2, which is shown in Fig. l and is described above, but with certain modifications to the tensioning devices 12 1 , 13 1 , in conjunction with which a locking means 75 to permit locking of the tensioning device 12 1 in the tensioned locked position I is also shown.
• this coupling 2 1 is similar to the earlier coupling 2, in that the coupling components 7 1 , 8 1 and the flow bodies 3 1 , 4 1 are also connected to one another by means of, for example, fixing screws ll 1 .
• Fig. 4 shows examples of different joints 200; 300 and joint patterns between integral parts of couplings.
• the coupling arrangement proposed in accordance with the present invention comprises:
• At least one sleeve-shaped coupling component 7; 8; 107 which, when in the coupling position I, at least partially encloses an associated flow body 3; 4; 103.
• Each coupling component 7; 8; 107 is capable of connection to said flow body 3; 4; 103 by means of screws or other connecting devices 11; ll 1 ; 111. Said coupling component 7, 8; 107 is then displaced relative to said associated flow body 3, 4; 103, so that the respective ends 3A, 7A and 4A, 8A and 103A, 107A of said body and associated coupling component intended for the coupling are displaced relative to one another along the intended direction of flow 9; 109 for said coupling component 7, 8; 107 and flow body 3, 4; 103.
• the body/bodies and/or coupling component/ coupling components situated at the ends of the coupling exhibit an essentially uniform internal flow bore d, D; d c ,
• the body/bodies and/or coupling component/coupling components situated at the end/ends of the coupling may exhibit an essentially uniform flow bore in order to achieve an essentially constant flow past the coupling.

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

Applications Claiming Priority (2)

Publications (1)

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ID=20374914

Family Applications (1)

Country Status (3)

Cited By (1)

Families Citing this family (1)

Citations (6)

• 1989
  • 1989-02-01 SE SE8900348A patent/SE464486B/sv not_active IP Right Cessation
• 1990
  • 1990-01-22 WO PCT/SE1990/000046 patent/WO1990008916A1/en unknown
  • 1990-01-22 AU AU50302/90A patent/AU5030290A/en not_active Abandoned

Patent Citations (6)

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