WO2001023798A1 - Connecteur rapide - Google Patents
Connecteur rapide Download PDFInfo
- Publication number
- WO2001023798A1 WO2001023798A1 PCT/JP2000/006620 JP0006620W WO0123798A1 WO 2001023798 A1 WO2001023798 A1 WO 2001023798A1 JP 0006620 W JP0006620 W JP 0006620W WO 0123798 A1 WO0123798 A1 WO 0123798A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- annular
- male element
- receiving portion
- quick connector
- male
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/098—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
- F16L37/0985—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part
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- 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
- F16L37/1225—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 the extremities of which, e.g. in the form of a U, engage behind a shoulder of both parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/921—Snap-fit
Definitions
- the present invention provides a tubular male element having an annular protrusion provided on an outer peripheral surface of an insertion side end at a predetermined distance from a pipe end, and the male element is inserted into one axial opening. And a quick connector having a female element to be connected.
- a female element having a cylindrical connector body and a socket body having an elastic claw wall protruding inward in the radial direction is used.
- the female element is inserted into and inserted into the socket body of the female element from one end of the connector body.
- the elastic nail wall of the socket body is made to protrude into the cylinder of the connector body through the window provided in the cylindrical wall, and is engaged with the wall of the cylindrical male element to be inserted.
- the cylindrical wall of the connector body which is a female element, is cut into a substantially U-shape, and the elastic claw is formed.
- a structure is adopted in which the wall is provided integrally with the connector body, where the elastic nail wall is inclined and urged inward into the connector body, and such an elastic nail is provided.
- the ring of the male element (piping) to be inserted against the wall «I pendant wall can be engaged, but such an elastic claw wall is inclined inward and urged
- the connector body of this type presents an extremely difficult dog in its manufacture, and it is considered that it is practically impossible to manufacture it by the injection molding operation of resin generally used, and it is assumed that it is possible.
- a quick connector that can be easily removed and disassembled without using a tool such as a release tool is used as a quick connector of a cylindrical connector body (female element).
- a holding member having a substantially C-shaped cross section is fitted and fixed in one end, and a pipe as a male element is further inserted into the holding member to form a ring formed on the outer peripheral surface of the pipe.
- a structure has been clarified in which the projections engage the holding member to connect the connector body to the pipe. It has not been fully solved.
- the connector structure disclosed in Japanese Patent Application Laid-Open No. since the structure adopts a structure in which the holding member is inserted into one end of the connector body, the outer diameter of such a connector body is inevitably increased, and the connector is inevitably enlarged.
- the problem of increasing the size on the connection side with the piping is still inherent, and in order to be able to separate the connector body from the piping without a release tool, the holding member must be connected to the connector body.
- the connector has a structure that protrudes outward from the end of the connector body in order to engage with the end of the connector, which increases the length of the connector in the longitudinal direction (axial direction).
- the holding member and the bush that prevents the seal ring, which is a sealing member, from coming off are separated from each other.
- the present invention has been made in view of such circumstances, and the problem to be solved is that, compared to other quick connectors, the radial direction and the length direction (axial Direction) Both are to make a quick connector that can be made compact and reduce the number of parts. Another object is to reduce the number of parts of the quick connector, thereby improving the ease of assembly and ultimately The aim is to improve productivity and to reduce the cost of quick connectors.
- a quick connector for preparing a quick connection comprising: (a) a front end portion, which is adjacent to a rear portion of the front end portion; (B) extending from one side toward the other side, the tubular male element having a straight insertion end portion provided with an annular projection provided on the one side; A shaft hole through which an insertion-side end of the male element can be inserted from the opening on the side, suitable for receiving a
- a first receiving portion having a cylindrical shape, and a second receiving portion having a cylindrical shape coaxially disposed on the other side to receive the distal end portion of the male element;
- a receiving portion for preventing the male element from coming off from the shaft hole when the insertion-side end of the male element is inserted into the shaft hole;
- a plurality of elastically deformable tongues extending in the same direction, the tongues being provided on the same circle at a circumferential interval from each other as a part of a cylindrical wall of the first receiving portion.
- the slots are formed so as to extend in the circumferential direction within the interval.
- the gist of the present invention is a quick connector comprising a tubular female element having a guide surface having a gradually decreasing diameter.
- an elastically deformable tongue portion is integrally formed at the axially intermediate portion of the cylindrical female element, and the male element inserted into the female element
- the male element is connected to the female element by being snapped onto the tongue by the annular protrusion of the tongue over the engaging projection of the tongue by the elastic deformation of the tongue.
- the connector has a structure in which a special member for holding the male element is attached to the connector body or the like, which is the female element, into which the male element is inserted.
- the number of parts can be advantageously reduced as compared to, and the size in the radial direction of the female element can be effectively reduced.
- the tongue piece is formed to extend in the circumferential direction,
- the female key associated with the formation of the tongue piece Enlargement of the axial length is also as it can be avoided as much as possible.
- the quick connector according to the present invention as compared with the quick connector of the above, the compactness in both the ⁇ direction and the length direction (axial direction) and the assemblability or the reduction in the number of parts can be achieved. All of this can be achieved effectively, with increased productivity and lower costs.
- the engagement protrusion of the tongue piece that snaps into the annular protrusion of the male element is provided on the inner surface of the engagement protrusion of the male element in the insertion direction of the male element into the shaft hole of the female element.
- the tongue piece is easily elastically deformed by simply pressing the insertion end of the male element into the shaft hole of the female element, since the guide surface with a gradually decreasing diameter is formed.
- the male element can be snapped into the annular projection of the pushed-in male element, thereby controlling the operation when the male element is connected to the female element.
- a quick connector for preparing a quick connection in order to solve the technical problems as described above, wherein (a) a front end portion and an adjacent rear end portion of the front end portion are provided.
- a tubular male element having a rectilinearly extending insertion end with an annular projection provided as follows: (b) extending from one side toward the other side; A cylindrical hole disposed on the one side, having a shaft hole through which the insertion-side end of the element can be inserted from the opening on the side, suitable for receiving the annular projection of the male element; A first receiving portion; and an inner peripheral surface having an inner diameter sufficiently larger than an outer diameter of a self-tip portion of the male element, and coaxially coaxial with the other side to receive the tip portion of the male element.
- a cylindrical second receiving portion disposed adjacently; and a second receiving portion disposed at an entrance of the second receiving portion;
- An annular projection of the male element abuts on the insertion end of the male element having an inner diameter slightly larger than the diameter of the male element while the insertion end of the male element is inserted into the self-drilling hole.
- An annular stop element opposed to the annular projection substantially projecting radially inward from the inner peripheral surface of the inlet portion of the second receiving portion;
- a plurality of elastically deformable tongue pieces extending therefrom, and the tongue pieces are provided on the same circle at a circumferential interval from each other as a part of a cylindrical wall of the first receiving portion.
- the slots extend in the circumferential direction within the interval.
- a radially inwardly projecting projection that snap-engages with the annular projection at the insertion-side end of the male element;
- a tubular female element having, on its inner surface, a guide surface of decreasing diameter towards the other side of the firi itself; and (c) on the other side of said female element relative to said stock element.
- a quick connector characterized by comprising an annular sealing member sandwiched between the distal end portion and the second receiving portion to seal between the male element and the female element. Also This is the gist.
- a male element having an annular projection at the insertion side end, a 1-element can be inserted, and under the inserted state, the male element has an annular shape. Since the elastically deformable tongue piece is snap-engaged with the projection, the female element is integrally formed so as to extend in the circumferential direction. Compared to the above, the compactness in both the radial direction and the longitudinal direction (axial direction), the improvement in assemblability or productivity by reducing the number of parts, and the cost reduction are all effectively realized. It can be done.
- a sealing member for sealing between the male element and the female element is provided in the female element.
- the studs protruding from the inner wall of the second receiving part are arranged closer to the insertion direction of the male element into the female element than the element.
- a quick connector for preparing a quick connection for solving the above-mentioned problem, comprising: (a) a tip portion, which is provided adjacent to and behind the tip portion. (B) a tubular male element having a straightly extending insertion side end with an annular projection; and (b) extending from one side to the other side and till through the opening on one side.
- a cylindrical first bore provided on one side of the male element, having a shaft hole into which the insertion-side end of the male element can be inserted, suitable for receiving the tiri self-annular protrusion of the male element; And an inner peripheral surface having an inner diameter sufficiently larger than the outer diameter of the distal end of the male element.
- the receiving part receives the distal end of the male element, and is coaxially adjacent to the other side.
- a cylindrical second receiving portion disposed at an entrance of the second receiving portion, and an outer diameter of a tip portion of the male element.
- the insertion force at the insertion side of the male element is slightly larger than that of the male element.
- the annular projection of the male element abuts on the other side of the male element.
- Annular ring A periphery provided on the first receiving portion, which prevents the male element from coming off the shaft hole when the insertion-side end of the tubular male element is inserted into the shaft hole.
- a plurality of elastically deformable tongue pieces extending in the same direction, and the tongue pieces are arranged on the same circle as a part of the cylindrical wall of the first receiving portion at a circumferential interval from each other.
- a plurality of beams extending in the axial direction are formed so as to extend in the circumferential direction within the space by providing slots extending in a U-shape, respectively.
- a tubular female element having a guide surface comprising: (c) the other of said female element than said stop element; On the side of the male member, the outer peripheral portion is mounted in contact with the inner peripheral surface of the second receiving portion, and the insertion side end of the front element is inserted into the triaxial hole of the female element.
- a quick connector is also the gist.
- the seal having an annular seal member for sealing between the male element and the female element has a ring as a seal member. Is done.
- the U-shaped slot faces one side surface of the tongue piece and the one side surface.
- a first slot portion extending in a circumferential direction formed between the first receiving portion and a first slot forming surface formed in a cylindrical wall of the first receiving portion, and the free end of the tongue piece portion is provided.
- a first regulating protrusion protruding into the first slot portion on one of the portion and the facing portion facing the free end of the first slot forming surface.
- a pulling force is applied between the male element and the female element, and the free end of the tongue piece is pulled out by the annular projection of the male element.
- the first restricting recess which radially overlaps with the first restricting part is formed by the first restricting recess, the opposing part of the first slot forming surface or the free part. It will be provided at some of the ends.
- the tongue piece is positioned radially outward of the female element.
- the tongue piece (engaging projection) and the male element (circular ⁇ ) are not easily lifted, and the male element is not connected to or connected to the female element.
- Sexual credibility can be effectively enhanced.
- the free end of the tongue piece and the cylindrical wall of the first receiving portion of the tiTl facing the free end are provided on the tongue piece.
- a second restricting projection extending from any of the formed slot forming surface portions across the slot, and a second restricting recess overlapping with a certain distance in a radial direction with respect to the first receiving recess;
- the free end of the tongue is formed at the free end of the tongue formed on the cylindrical wall of the tongue, and the free end of the tongue is displaced radially outward by more than the predetermined distance. Is configured to Plih.
- the tongue is elastically deformed radially outward.
- the second restricting projection and the second restricting recess are configured to be engaged with each other so as to overlap each other in the radial direction in the state in which the annular projection of the male element is engaged with the engaging projection of the tongue piece.
- the tongue piece can be prevented from being elastically deformed radially outward by an amount larger than the amount of elastic deformation when the tongue crosses the part.
- the U-shaped slot includes: a side surface on the other side of the tongue piece, and a self-ring of the ring-shaped stopper element. A second slot portion extending in the circumferential direction formed between the surfaces of the tongue portion, and the other side portion or the other side portion located at the free end of the tongue portion.
- the foreword of the itf element is configured such that, when the tongue piece is inserted into the width hole, the displacement of the free end portion of the tongue portion toward the other side in the axial direction is substantially restricted.
- the first three elements have a cylindrical shape, and one side in the axial direction has a first member serving as the first receiving portion, and the first element has a cylindrical shape.
- a second member one side of which is the second receiving portion; and a second member with respect to the other side in the axial direction of the first member.
- a configuration having a connecting means for coaxially connecting is also advantageously employed.
- the connecting means includes a fitting hole formed in an input U portion of the end on the one end side of the cylindrical second member.
- a configuration comprising the annular stop element provided at the fif3 ⁇ 4ft3 ⁇ 4 side end of the self-tubular first member fitted into the fitting hole is adopted.
- the coupling means is an engagement portion formed on an outer peripheral surface of an input U portion of the first receiving portion provided at an end of the one end side of the cylindrical second member. And extending from the outer peripheral surface of the annular stop element provided at the other end of the self-tubular first member engaged with the engaging portion to the other end. Structure consisting of an engagement arm Will be adopted.
- the female element is integrally formed by molding using a thermoplastic resin material, thereby reducing the number of parts. The improvement in assemblability or productivity and the reduction in cost can be achieved more effectively.
- the tongue piece has a thickness that gradually becomes thinner from the connecting portion side to the cylindrical wall portion of the first member toward the free end side.
- the stress concentration at the base of the tongue portion is effectively avoided, and the durability is advantageously increased. You get.
- the tongue piece is provided with an operating portion projecting radially outward from an outer peripheral surface of the free end.
- the tongue piece can be easily deformed radially outward by a simple operation of simply pressing the operating portion outward in the radial direction.
- the engagement state of the engaging projection of the tongue piece with the annular projection of the male element inserted into the female element is easily released, and the male element can be removed from the female element very easily. It is.
- a tubular male element having an annular projection provided on the outer peripheral surface of the insertion side end, and a tubular housing are provided.
- a female element provided with an annular portion into which the male element is inserted at one end in the axial direction of the housing, and the other of the housing in the axial direction of the female element.
- a fastening portion is provided for externally inserting and fastening a predetermined pipe body, while a cylindrical wall portion is cut out at an intermediate portion of the housing in the cross direction.
- An elastically deformable tongue portion extending in the circumferential direction is provided, with one side in the circumferential direction being a free end and being connected on the other side, and a free end side end of the tongue portion.
- An engagement protrusion protruding radially inward is provided on the inner surface of the portion, and the annular protrusion of the male element to be inserted overlies the engagement protrusion by elastic deformation of the tongue piece. Therefore, a configuration that can be locked is adopted.
- the elastically deformable tongue piece is integrally formed at the axially intermediate portion of the cylindrical female element, and the male element inserted into the female element
- the male element is connected to the female element by being snapped onto the tongue by the annular protrusion of the tongue over the engagement protrusion of the tongue by the elastic deformation of the tongue.
- a special member for holding the male element is attached to the connector body or the like, which is the female element, into which the male element is inserted.
- the number of parts can be advantageously reduced and the radial size of the female element can be effectively reduced, and the tongue piece is formed to extend in the circumferential direction.
- the female with the formation of the tongue piece Enlargement of the axial length of the element can be avoided as much as possible.
- the quick connector according to the present invention as compared with the quick connector, the compactness in both the radial direction and the length direction (axial direction) and the assembling property or the reduction of the number of parts can be achieved. Any improvement in productivity and cost reduction can be realized effectively.
- an annular projection is provided at a position separated from the pipe end by a distance of S on the outer peripheral surface of the insertion side end.
- a quick connector having a tubular male element provided; and a tubular female element into which the I element is inserted into one of the axial openings to be fixed, wherein the female element is provided in the axial direction.
- An annular portion having at least one side end formed in a circumferential direction; a cylindrical first member constituting a portion on the insertion port side into which the insertion side end of the male element is inserted; and the first member And a cylindrical second member coaxially connected to the end portion, which is the annular portion, by a connection fixing means.
- an annular seal member with respect to the large diameter portion of the force mowing inner surface is configured to be crimped so mounted, yourself first member, by cutting out the cylindrical wall portion
- a plurality of elastically deformable tongues extending in the circumferential direction are integrally formed in the circumferential direction, and are formed in such a manner that one side in the circumferential direction is connected to the free end on the other side.
- a radially inwardly protruding engagement protrusion is provided, and the annular protrusion of the inserted element is elastically deformed by the tongue piece.
- the first member is mounted on the large-diameter portion at the connection end of the first member with respect to the second member.
- the second member integrally has a seal stopper projecting radially inward from the inner surface of the large-diameter portion of the second member to prevent the self-sealing member from coming off. Due to the connection with the second member, the seal member attached to the t? L While it is held between the seal stop and the male element inserted from the inlet side of the first member of IT, it is closer to the pipe end than the annular projection at the inlet side end of the male element. A configuration in which the portion protrudes into the second member and the seal is performed between the outer peripheral surface of the tube end side portion and the seal member is suitably adopted.
- a first member and a second member constituting a female element are connected and connected between their ends.
- the female element It is possible to avoid enlargement in the radial direction as much as possible, and also in the length direction (axial direction) of the female element, it is necessary to interpolate or extrapolate the two members. Since the portion protruding in the length direction is not required, the length of the female element can be reduced as much as possible, so that the compactness of the entire connector in the radial direction and the length direction can be reduced. To achieve the advantage It's that.
- the female element is composed of two members, and one of the female elements is integrally provided with a plurality of tongue pieces for locking the male element to be connected.
- the other one adopts a cylinder inner surface structure in which a predetermined seal member is mounted.
- the structure in which the tongue piece is provided so as to protrude toward the front can also be easily adopted from the viewpoint of its manufacture, which makes it easy to manufacture these two members, for example, by the injection ⁇ 3 ⁇ 4 ⁇ operation. Therefore, the productivity or productivity of such a quick connector can be advantageously increased.
- a seal stopper is provided on one of the members so that the seal member attached to the other member is connected to the other member. Because the seal stopper prevents the escape from occurring and can be held effectively, unlike the conventional structure in which the bush member for holding the seal member is separately fitted, unlike at least the bush member, In this respect, the number of components is reduced, and therefore, such a bush member insertion operation is not required, so that the assemblability can be effectively improved, and the cost of the connector can be reduced. Can greatly contribute to ⁇
- FIG. 1 is a half sectional view showing a typical example of a quick connector according to the present invention.
- FIG. 2 is a half sectional view showing a second member constituting the female element of the quick connector shown in FIG.
- FIG. 3 is an explanatory view showing a first member constituting a female element of the quick connector shown in FIG. 1, wherein (a) is a front view thereof, and (b) is a front sectional view thereof.
- FIG. 4 is an explanatory view showing a first member constituting a female element of the quick connector shown in FIG. 1, wherein (a) is a plan view thereof, and (b) is a sectional plan view thereof.
- FIG. 5 is a cross-sectional explanatory view of a first member constituting the female element of the quick connector shown in FIG. 1, (a) is an A-A cross-sectional explanatory view in FIG. 3 (a), FIG. 3 (b) is an explanatory view taken along the line BB in FIG. 3 (a).
- FIG. 6 is an explanatory view showing different cross-sectional forms of the first member constituting the female element of the quick connector shown in FIG. 1, wherein (a) is a cross-sectional view taken along the line A—A in FIG. 4 (a).
- FIG. 4B is an explanatory view taken along the line BB in FIG. 4A.
- 7A and 7B are diagrams illustrating a seal member used for the quick connector shown in FIG. 1, wherein FIG. 7A is a front view thereof, and FIG. 7B is an axial sectional view thereof.
- FIG. 8 is an explanatory cross-sectional view showing a state where a connector is inserted into and connected to the female element of the quick connector in FIG.
- FIG. 9 is an explanatory view showing a process of inserting a pipe into the female element of the quick connector shown in FIG. 1.
- (a) shows that the insertion of the pipe into such a female element is completed. It is sectional explanatory drawing seen from the pipe insertion direction which shows a state,
- FIG. 10 is an explanatory sectional view corresponding to FIG. 1 and showing a different example of the seal member.
- FIG. 11 is a view corresponding to FIG. 5 (b), showing a different example of a tongue piece provided on the first member constituting the female element of the quick connector.
- FIG. 12 is an explanatory plan view showing still another shape of the tongue piece provided on the first member constituting the female element of the quick connector.
- FIG. 13 is an explanatory sectional view showing another example of the quick connector shown in FIG. 1 having a structure according to the present invention.
- FIG. 14 is an explanatory view showing a state in which a resin tube is connected to the female element of the quick connector shown in FIG.
- FIG. 15 is an explanatory front view of the female element of the quick connector shown in FIG.
- FIG. 16 is a sectional view taken along the line AA in FIG.
- FIG. 17 is an explanatory diagram of a male element inserted into and connected to the female element of the quick connector shown in FIG.
- FIG. 18 is an explanatory longitudinal sectional view of a seal member used for the quick connector shown in FIG.
- FIG. 19 is an explanatory sectional view corresponding to FIG. 13 and showing a different example of the seal member. Violence to apply the invention!
- FIGS. 1 to 9 show an embodiment of a quick connector according to the present invention.
- FIG. 1 illustrates a cylindrical first member 2 and a cylindrical second member 4 coaxially connected to the first member 2.
- a female element and a pipe 6 as a tubular male element connected to one end of the female element are shown.
- the pipe 6 has an insertion-side end 8 having an annular projection 9 protruding radially outward, adjacent to the rear of the straightly extending tip 8a.
- the pipe 6 is inserted into the female element in the direction of the arrow, and is detachably and quickly connected to the female element.
- an elastically deformable tongue piece 28 extending in the circumferential direction is formed at one end (left side in FIG. 1) of the first member 2, and the insertion end 8 of the pipe 6 is formed. Is inserted in the direction of the arrow into the end on one end side, as shown in FIG. 8, the annular projection 9 of the pipe 6 is snap-engaged with the free end of the tongue piece 28.
- the pipe 6 is configured to be connected to the female element without detaching from the first member 2.
- a resin tube or the like is provided at a portion opposite to the portion on the connection side with the first member 2. The end of a tube (not shown) such as a rubber hose is inserted and connected so that it can be connected.
- the first member 2 and the second member 4 are each an integral molded product using a resin material such as a glass fiber reinforced nylon resin, and are generally formed by an injection molding operation.
- a resin material such as a glass fiber reinforced nylon resin
- the pipe 6 is made of mild steel, and the annular protrusion 9 is formed by plastic working at a position on the outer peripheral surface of the insertion end 8 at a predetermined distance from the tip.
- such a pipe 6 can also be constituted by a resin pipe or a tube.
- the second member 4 which is one member constituting the female element has a stepped shape on both the inner surface and the outer surface, and the large-diameter portion 4a as the second receiving portion. And a small-diameter portion 4b.
- the large-diameter portion 4a has a cylindrical sealing member 10 inside the large-diameter portion 4a. Touch the surface To be mounted (see Fig. 1).
- An outer engaging portion comprising an annular peripheral groove 12 is formed on the outer peripheral surface of the large diameter portion 4a, and an annular engaging groove is formed on the inner peripheral surface of the inlet portion 13 of the large diameter portion 4a.
- An inner engaging portion consisting of the groove 14 is formed.
- annular projections 16 having inclined surfaces are provided on the outer peripheral surface of the small diameter portion 4 b of the second member 4, and the annular projections 6 are moved over the annular projections 6.
- the other (tube), such as a resin tube (not shown), is extrapolated and connected.
- the cylindrical first member 2 as the other member constituting the female element has a substantially cylindrical shape as a whole.
- a portion on one end side is an insertion side end portion 8 of the pipe 6.
- the other end is smaller than the outer rim of the pipe 6.
- It is configured as a cylindrical portion 24 as a stop element, having a slightly larger inner diameter than the outer diameter of the annular projection 9 of the pipe 6.
- the cylindrical sealing member 10 mounted in the large-diameter portion 4 a of the second member 4 is attached to the large-diameter portion 4 a.
- the pipe is sandwiched between the inner peripheral surface and the outer peripheral surface of the distal end portion 8a of the pipe 6 protruding into the large diameter portion 4a.
- annular flange portion 18 protruding radially outward is provided on the outer peripheral surface of the end of the cylindrical portion 24 on the annular surface 19 side of the first member 2.
- Four engaging arms 20 extending toward the second member 4 are integrally formed on the outer peripheral edge of the flange portion 18 at equal intervals in the circumferential direction.
- those The free ends of the engaging arms 20 are provided with engaging claws 20a which protrude radially inward.
- the large size of the second member 4 is accommodated in the accommodation space 22 formed between the engagement arm portion 20 provided integrally with the flange portion 18 of the first member 2 and the cylindrical portion 24.
- the inlet portion 13 of the diameter portion 4a is fitted, and the engagement arm portion 20 engages with the annular outer engagement member 12 formed on the outer peripheral surface of the large diameter portion 4a.
- the claw 20a is engaged, and the outer peripheral surface at the tip of the cylindrical portion 24 is further engaged with the annular engaging concave portion 14 formed on the inner peripheral surface of the inlet portion 13 in the large diameter portion 4a.
- the first member 2 and the second member 4 are firmly and integrally connected by fitting the annular engaging protrusion 24 a provided in the first member.
- the annular seal member 10 mounted in the large-diameter portion 4 a of the second member 4 is moved to its shaft.
- the end surface of the cylindrical portion 24 of the first member 2 and the inner step surfaces of the large-diameter portion 4a and the small-diameter portion 4b of the second member 4 are brought into contact with each other, The position is fixed between the end surface of the cylindrical portion 24 and the inner step surface of the second member 4.
- the first receiving portion 21 of the first member 2 has a cylindrical wall portion which is notched as shown in FIGS. 3 to 5 and is elastically deformable extending in the circumferential direction.
- Two of the tongue pieces 28 are integrally formed axially. That is, as is clear from FIG. 4 (a), the tongue piece 28 integrally connects the insertion end 23 of the pipe 6 in the first receiving part 21 and the cylindrical part 24.
- the tongue piece 28 integrally connects the insertion end 23 of the pipe 6 in the first receiving part 21 and the cylindrical part 24.
- An inwardly protruding engaging portion 30 is provided on the inner surface of the free end of the tongue portion 28, and the inner surface of the engaging protruding portion 3 As is clear from FIGS. 4 (b) and 5, the sloping surface expands facing the inserted pipe 6. And a guide surface 31 for guiding the annular projection of the pipe 6.
- the inner peripheral surface of the engaging projection 30 has a guide surface 31 having a smaller diameter in the direction of insertion of the pipe 6.
- the elastic deformation of the tongue piece 28 is caused by the resin panel characteristics of the resin material forming the first member 2.
- the U-shaped slot 26 formed in the cylindrical wall portion of the first member 2 serves as a slot forming portion in the first receiving portion 21 as is clear from FIG. 1, FIG. 3, and FIG.
- a first slot portion 26 a extending in the circumferential direction between the insertion end 23 and the side surface of the tongue 28 opposed to the insertion end 23;
- a second member extending in the circumferential direction between the annular surface 18a of the cylindrical portion 24 constituting another slot forming portion of the one member 2 and the side surface of the tongue piece 8 opposed to the ⁇ -shaped surface 18a. It has two slot portions 26b.
- the width of the second slot portion 26 b is wider than that of the first slot portion 26 a, and is sufficient to accommodate the annular projection 9 of the pipe 6.
- the annular surface 19 of the cylindrical portion 24 in the first member 2 is deformed as a third regulating projection.
- the suppression protrusion 32 is integrally formed so as to project into the second slot portion 26 b.
- the deformation suppressing projection 32 abuts on the side of the free end of the tongue piece 28, so that the tongue piece 28 is pressed against the engaging claw 20a.
- the displacement of the free end of the tongue piece 28 due to the elastic deformation of the tongue piece 28 toward the insertion direction of the pipe 6 is restricted. That is, when the insertion-side end 8 of the pipe 6 is inserted into the shaft hole of the first member 2, the free end of the tongue piece 28 becomes an annular protrusion 9 of the pipe 6.
- the projection 23 as the first regulating projection is provided on the side of the insertion member side end 23 of the first member 2 on the side of the tongue piece 28. 4 are integrally formed so as to project into the first slot portion 26a.
- the tongue piece 28 is prevented from deforming outward in the radial direction, and as a result, the engagement state between the engagement protrusion 30 of the tongue piece 28 and the annular protrusion 9 of the pipe 6 is reduced. It can come to a firm hold.
- a portion opposed to the tip of the free end of the tongue piece 28 has a second restriction ⁇
- the stopper projection 37 is integrally formed so as to project toward the free end of the tongue piece 28.
- the stopper ⁇ 37 has a diameter corresponding to the regulating recess 36 provided at the free end of the tongue piece 28 on its inner surface. They are opposed to each other at a predetermined interval in the direction.
- the operating portion 28 a provided at the free end of the tongue piece 28 is operated to snap-engage the annular projection 9 of the pipe 6 with the engagement projection 30 of the tongue piece 28.
- the tongue piece 28 can be prevented from having a »J elasticity outward in the radial direction.
- one concave portion 36 formed at the free end of the tongue piece 28 force is applied to the regulation corresponding to the two regulation projections 3 4 and 37 described above. It is configured as a recess.
- annular seal member 10 which is attached to the inner peripheral surface of the large-diameter portion 4a of the second member 4 with the outer peripheral portion closely attached thereto is attached.
- a ring-shaped bulge 10 a, 10 b, 10 c extending in the circumferential direction is provided at three locations, that is, both ends in the axial direction and a central portion thereof. -It is formed physically.
- the seal member 10 has a ring-shaped bulge 10 a, 10 a with a circular cross section.
- b and 10b, 10c are connected by a thin-walled cylindrical wall, and these three bulges 10a, 10b, 10c Constitute the seal portion of the seal member 10.
- the first member 2 and the second member 4 are integrally connected by engaging the former engaging claw 20a with the outer peripheral groove 12 of the latter.
- the female element force of the structure as shown in 1 can be easily assembled, and in such a female element, the holding means for holding the pipe 6 is attached to the first member 2.
- the radial and axial dimensions can be suppressed, which advantageously reduces the overall size of the quick connector. It can be realized.
- the female element is composed of two members, the first member 2 and the second member 4, the first member 2 and the second member 4 are injected.
- the seal member 10 can be advantageously manufactured with the mold structure, the seal member 10 can be mounted from one side, and the seal member 10 can be easily replaced.
- the cylindrical portion 24 as a stove element is provided integrally with the first member 2, the first member 2 and the second member 4 At the same time as the connection, the seal member 10 can be held between the inner stepped surface of the second member 4 and the end surface of the cylindrical portion 24. As shown in FIG. Since it is not necessary to separately prepare and assemble them, the number of parts can be reduced and the assembling work can be greatly simplified.
- an engagement structure of the engagement claw 20a and the outer peripheral groove 12 is employed.
- the engagement structure between the inner peripheral groove 14 provided on the inner surface of the second member 4 and the bulge formed on the outer peripheral surface of the cylindrical portion 24 is also adopted.
- the member 2 is engaged and fixed to the end of the second member 4 from the outside and the inside thereof, so that the connection between the first member 2 and the second member 4 is It has become strong Because
- the female element formed by connecting the first member 2 and the second member 4 inserts a pipe 6 to be connected through an opening on the first member 2 side. Then, they are connected as shown in FIG.
- the tongue piece 28 of the first member 2 constituting the female element exerts a pressing action on the annular projection 9 due to the insertion operation of the pipe 6.
- the protrusion 32 is formed on the annular surface 18a of the cylindrical portion 24, and the second slot portion 26b is formed.
- the connection with the female element will be established.
- the connection can be re-established if necessary.
- the outer periphery of the free end of the tongue piece 28 formed on the female element is larger than the outer periphery of the first member 2. Since the operation part 28a that protrudes outward is provided, by operating this operation part 28a outward in the radial direction, the pipe (male element) 6 can be connected without using a release tool. The connection with the female element can be released.
- the first member 2 when operating the operation top portion 28 a, the first member 2 is so shaped as to prevent excessive radial deformation of the tongue piece portion 28 outward in the radial direction.
- the beam portion 23 is provided with a stop projection 37 extending toward the free end of the tongue piece 28, while the free end radially overlaps the stop projection 37. From the place where the regulating recess 36 to be engaged is provided, it is possible that the tongue piece 28 is deformed to the right in the radial direction outward by 3 ° PM: PM. The breakage or damage of 8 can be prevented very effectively.
- the present invention has been specifically clarified based on the representative embodiments of the present invention. However, such embodiments are merely examples, and the present invention is not limited to the above description. It goes without saying that there are no restrictions imposed by any of the above.
- a cylindrical seal member 10 is used.
- a 0-ring seal 38 having a circular cross section is replaced with a seal. It can be used as a member, and a configuration in which a plurality of such 0-ring seals 38 are arranged in the axial direction can be similarly employed.
- the presence is not essential, and the annular portion 18 of the first member 2 projects inward from the inner surface of the large-diameter portion 4a on which the seal member (10, 38) of the second member 4 is mounted. If the seal member (10, 38) is brought into contact with the projecting portion of the annular portion 18, such a projecting portion can be used as a seal stopper. The movement of the sealing member can be prevented, and the holding thereof can be performed effectively.
- connection fixing means that is, the engagement of the engaging claw 20a with the outer peripheral groove 12, and further, the cylindrical portion 2. 4 is realized by the engagement between the convex portion 24 a and the inner periphery 14, whereby the connecting operation between the first member 2 and the second member 4 is performed easily and easily.
- Means for connecting the first member 2 and the second member 4 include press-fitting and fixing the cylindrical portion 24 to the inlet portion 14 of the large-diameter portion 4a, welding, and bonding using an adhesive. It is also possible to employ various types of fixing means.
- an inward flange is provided at the connection end of the first member 2 and the sealing member is held at the inner peripheral edge of the flange.
- the first member 2 and the second member 4 can be connected by welding the outer peripheral edge portion to the connection side end face of the second member 4.
- the shape and arrangement of the tongue piece 28 provided on the first member 2 and the number of the tongue pieces 28 can also be determined by the size of the tongue piece 28. Is formed by a U-shaped slot 26, a predetermined tongue piece is formed by cutting out the cylindrical wall of the first member 2 on the side of the pipe 6 into an L shape.
- the tongue piece 28 can be formed so as to extend toward the free end of the tip thereof at a constant thickness, and as shown in FIG. It is also possible to adopt a configuration in which the thickness becomes gradually thinner toward the free end of the tip from the connection portion side with the cylindrical wall portion of No. 2.
- the radial direction applied to the tongue piece 28 when the pipe 6 is inserted It is possible to effectively avoid stress concentration at the base of the tongue piece 28 due to the pressing action to the outside. The breakage of the portion 28 can be effectively suppressed or prevented.
- the width of the tongue piece 28 gradually decreases toward the free end. As a result, it is possible to obtain the same function and effect as in the case where the thickness is reduced. By adopting the above, the above effects can be achieved more advantageously.
- the quick connector according to the present invention may be an elbow-type quick connector in addition to the exemplified straight tie structure.
- the small diameter of the second member 4 is required.
- an L-shaped bent structure will be adopted.
- the guide surface 31 composed of an inclined surface is provided, and the pipe is inserted.
- the annular projection 9 of 6 makes it easy to get over the engagement projection 30.However, such a guide surface 31 is formed on the annular projection 9 of the pipe 6 to engage the engagement. Even if the protrusion 30 is merely a bulge of a chamfered ⁇ ⁇ , there is no problem.
- the position at which the stud projection 37 is formed is not limited to that shown in the above embodiment, and is provided on the side surface of the slot forming portion located around the free end of the tongue piece 28. May be. Also, contrary to the above-described embodiment, it is of course possible to provide them on the beam portion 25, or on the annular surface 18a of the cylindrical portion 24 or the side surface of the insertion side end portion 23. .
- FIG. 13 schematically shows an example of a female element in such a quick connector.
- members and portions having the same structure as in the above-described S form are denoted by the same reference numerals as those in the above-described form, so that detailed description thereof is omitted. Omitted.
- the quick connector shown in FIG. 13 includes a cylindrical female element 40 integrally formed using a hot mouth J plastic resin material, and one end of the female element 40 on one side.
- a pipe 6 is connected in the shaft hole by a quick operation, and a resin tube 39 is externally fixed to the other end of the female element 40.
- the female element 40 extends from one side toward the other side, and the insertion side end of the pipe 6 extends from the one side opening. It has a shaft hole into which the part 8 can be inserted.
- one side is a cylindrical first receiving section 42 suitable for receiving the annular projection 9 of the pipe 6, while the other side is The second receiving part 41 into which the upper part 8a of the W-step 6 enters.
- the first receiving portion 42 and the second receiving portion 41 having an inner diameter slightly larger than the outer diameter of the leading end portion 8 a of the pipe 6, extending radially inward,
- An annular flange portion 46 as a stopper element is provided in a conventional manner.
- the first receiving portion 42 is provided with a plurality of elastically deformable tongue pieces 28 extending in the circumferential direction.
- the tongue piece 28 is formed as a part of the cylindrical wall of the first receiving part 42, and two beams extending in the axial direction, which are arranged on the same circle at a circumferential interval and are opposed to each other.
- slots 26 extending from the parts 43 and 43 in a U-shape, respectively, they are formed so as to extend in the circumferential direction within the interval.
- an engagement projection 3o projecting inward in the radial direction for snap engagement with the annular projection 9 of the pipe 6.
- the engagement protrusion 30 has a teno-shaped guide surface 45 having a diameter gradually reduced toward the direction of insertion of the tip 6 into the shaft hole on the inner surface thereof,
- the operation top portion 44 extends radially outward beyond the outer peripheral surface of the first receiving portion 42.
- annular surface 46 a is provided for abutting against the pipe 9 and for plitting further movement of the pipe 6 in the insertion direction.
- annular projections 41a with inclined surfaces are provided on the outer peripheral surface of the second receiving portion 41,
- the second receiving portion 41 is configured as a connecting portion to which the resin tube 39 is connected.
- annular projection 9 is fitted into the slot portion 26 b of the slot 26, so that movement in the axial direction is restricted.
- annular second projection 11 is provided on the outer peripheral surface of the pipe 6 behind the annular projection 9 in the direction of insertion into the female element 40. If the second protrusion 11 is arranged so as to be in contact with the inner peripheral surface of the shaft hole in the first receiving portion 42 of the female element 40, it cooperates with the Itif flange portion 46. As a result, it is possible to eliminate the radial protrusion of the pipe 6 connected to the female element 40.
- the inner peripheral surface of the free end of the tongue piece 28 is An example is shown in which the inner surface of the engagement protrusion 30 provided to project inward in the radial direction is the tapered guide surface 45, but the protrusion is provided on the outer peripheral surface of the insertion-side end 8 of the knob 6.
- a tapered guide surface may be formed on one side surface of the annular projection 9.
- a tongue piece 28 acting as a retainer for locking the pipe 6 is formed physically. Is deformed in the ⁇ direction perpendicular to the axial direction, and together with the fact that the tree tube 39 is connected to the second receiving portion 41 that has been provided by the i. The length in the direction can be further reduced.
- the floating prevention projection 34 protruding into the first slot portion 26a of the slot 26 is provided with the first The receiving portion 42 is formed on the side surface facing the tongue piece portion 28, and when a pulling force is applied between the pipe 6 and the female element 40, the floating prevention portion 34 is formed. Then, since the restriction recess 36 that overlaps and engages in the radial direction is provided at the free end of the tongue piece 28, the bow I pulling force acts on the tongue piece 28. The engagement state of the engagement projection 30 of the female element 40 with the annular projection 9 of the pipe 6 is strong. Therefore, it is possible to effectively prevent the pipe 6 from easily coming out of the female element 40. Of course, such a floating prevention 34 can be provided at the free end of the tongue piece 28 so as to restrict the deformation of the tongue piece 28 outward in the radial direction. is there.
- the tongue piece 28 faces the tip of the free end side portion.
- a stopper 3 37 protruding from the slot forming portion of the one receiving portion 42 so as to oppose the bottom surface of the regulating recess 36 provided in the tongue piece 28 is provided.
- the stopper 8 is elastically deformed radially outward, the stopper 37 is engaged with the bottom surface of the recess 36.
- the operation top 44 is operated to release the engagement between the annular projection 9 of the knob 6 and the engagement projection 30 of the tongue piece 28, the tongue piece It is possible to make a large elastic deformation radially outward in Pl ⁇ 28.
- the seal member 48 is provided in the second receiving portion 41 from the side opposite to the first receiving portion 42, inside the second receiving portion 41. It is mounted so as to be in contact with the peripheral surface. Also, the part 8 a of the knob 6 is inserted so as to contact the inner peripheral surface of the seal member 48. As a result, the space between the distal end portion 8a of the pipe 6 and the second receiving portion 41 can be sealed in a fluid-tight manner.
- a cylindrical portion 50 and one end of the cylindrical portion 50 are provided.
- One having a folded portion 52 extending obliquely outward from the peripheral edge on the other end side is employed.
- the sealing member 48 is sandwiched between the other end of the first receiving portion 41 and the cylindrical portion 50 of the sealing member 48 as shown in FIG.
- the folded portion 52 is disposed so as to cover the outer edge of ffe ⁇ of the second receiving portion 41, so that the insertion-side end 8 of the pipe 6 and the second
- the gap between the inner peripheral surface of the receiving portion 41 and the inner peripheral surface of the receiving portion 41 is sealed by the cylindrical portion 50, and at the same time, the folded portion 52 is disposed between the outer peripheral surface of the second receiving portion 41 and the resin tube 39. Then, the space between the second receiving portion 41 and the resin tube 39 can be sealed in a fluid-tight manner. It has become.
- a plurality of rings TO section 54 are provided at an appropriate interval in the cylindrical section 50 in order to enhance the sealing performance between the cylindrical main body 41 and the pipe 6.
- the cross section of the annular node 54 is not particularly limited, and may be a triangle as shown in FIG. 18 or a triangle or the like.
- the sealing member 48 is sandwiched between the cylindrical body 41, the pipe 6, and the resin tube 39, and does not move. Therefore, the sealing member 48 is usually used to hold a sealing member such as an O-ring. There is no need to use the bush collar arranged in the, so the number of parts can be further reduced.
- a step 4 lb is provided on the inner peripheral surface of the second receiving portion 41, and a bush 58 as a stopper element is placed adjacent to the first receiving portion 42.
- a bush 58 as a stopper element is placed adjacent to the first receiving portion 42.
- the operation top 44 protruding from the outer peripheral surface of the free end of each tongue piece 26 of the female element 40 is required.
- the beam 43 is pressed in the circumferential direction or slightly obliquely upward. Due to this pressing, the tongue piece 26 is elastically deformed to the outside in the radial direction, and the engaging projection 30 on the opposite side (inside) of the operation top 46 is moved outward in the radial direction. Since the engagement between the joint portion 30 and the annular projection 9 is released, the hook 6 can be removed.
- the mounting is achieved by downsizing in both the radial direction and the length direction (axial direction) and by reducing the number of parts. Improvement in productivity or productivity and reduction in cost can all be realized effectively.
- the present invention provides a quick connector that can effectively reduce the size of the whole and improve productivity and productivity in the improvement of the quick connector. It is possible to do so.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60038784T DE60038784D1 (de) | 1999-09-28 | 2000-09-26 | Schnellkupplung |
EP00961232A EP1134475B1 (en) | 1999-09-28 | 2000-09-26 | Quick connector |
US09/830,601 US6517120B1 (en) | 1999-09-28 | 2000-09-26 | Quick connector |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/274134 | 1999-09-28 | ||
JP27413499 | 1999-09-28 | ||
JP2000122305 | 2000-04-24 | ||
JP2000/122305 | 2000-04-24 | ||
JP2000284833A JP3985442B2 (ja) | 1999-09-28 | 2000-09-20 | クィックコネクタ |
JP2000/284833 | 2000-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001023798A1 true WO2001023798A1 (fr) | 2001-04-05 |
Family
ID=27336160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/006620 WO2001023798A1 (fr) | 1999-09-28 | 2000-09-26 | Connecteur rapide |
Country Status (5)
Country | Link |
---|---|
US (1) | US6517120B1 (ja) |
EP (2) | EP1384933B1 (ja) |
JP (1) | JP3985442B2 (ja) |
DE (2) | DE60038784D1 (ja) |
WO (1) | WO2001023798A1 (ja) |
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JP4000884B2 (ja) * | 2002-03-29 | 2007-10-31 | 東海ゴム工業株式会社 | クイックコネクタ |
JP4171964B2 (ja) * | 2002-03-29 | 2008-10-29 | 東海ゴム工業株式会社 | クイックコネクタ |
JP2003314774A (ja) * | 2002-04-19 | 2003-11-06 | Tokai Rubber Ind Ltd | チューブ締結構造 |
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JP2005155910A (ja) * | 2003-10-31 | 2005-06-16 | Tokai Rubber Ind Ltd | クイックコネクタ及び配管接続構造 |
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DE102006044267B4 (de) * | 2006-09-20 | 2010-08-05 | A. Raymond Et Cie | Kupplungsteil für eine Fluidleitungsverbindungsanordnung |
US7731245B2 (en) * | 2006-10-06 | 2010-06-08 | Ti Group Automotive Systems, Llc | Quick connector coupling |
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FR2918732B1 (fr) * | 2007-07-13 | 2013-02-22 | Legris Sa | Corps de raccord hydraulique ou pneumatique |
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JP5520716B2 (ja) * | 2010-07-05 | 2014-06-11 | 東海ゴム工業株式会社 | 配管接続構造 |
JP5815272B2 (ja) * | 2011-04-22 | 2015-11-17 | 株式会社パイオラックス | コネクタ |
DE102011089100A1 (de) * | 2011-12-20 | 2013-06-20 | Fränkische Industrial Pipes GmbH & Co. KG | Verbindungseinheit und eine derartige Verbindungseinheit umfassende Verbindungsanordnung zur Herstellung einer unlösbaren Verbindung medienführender Leitungen |
FR3006415B1 (fr) * | 2013-06-04 | 2015-05-29 | Nobel Plastiques | Raccord encliquetable rapide a verrous a machoires symetriques |
US9921373B2 (en) | 2013-12-19 | 2018-03-20 | Exfo Inc. | Fiber-optic connector mating assembly for optical test instruments |
DE102014107530A1 (de) * | 2014-05-28 | 2015-12-03 | Voss Automotive Gmbh | "Aufnahmeteil für eine Fluid-Steckkupplung und Fluid-Steckkupplung mit einem derartigen Aufnahmeteil" |
DE102016112529A1 (de) * | 2016-07-07 | 2018-01-11 | Norma Germany Gmbh | Verbinder für eine Fluidleitung |
JP2018119432A (ja) * | 2017-01-24 | 2018-08-02 | 愛三工業株式会社 | 燃料系部品の取り付け構造 |
US10865922B2 (en) * | 2017-10-05 | 2020-12-15 | Novares Us Engine Components, Inc. | Anti-tamper permanent quick connect coupling device |
CN109648813A (zh) * | 2017-10-12 | 2019-04-19 | 株式会社阿雷斯提 | 冷却管及模具的冷却结构 |
JP6365857B2 (ja) * | 2017-12-07 | 2018-08-01 | 株式会社オンダ製作所 | 管接続具 |
DE102019129542A1 (de) * | 2019-10-31 | 2021-05-06 | Norma Germany Gmbh | Schnellverbinder und Verbindungsanordnung mit verbesserter Dichtringarretierung |
US11703172B2 (en) | 2020-01-27 | 2023-07-18 | Ford Global Technologies, Llc | Quick connect for hose system |
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- 2000-09-26 EP EP03024462A patent/EP1384933B1/en not_active Expired - Lifetime
- 2000-09-26 US US09/830,601 patent/US6517120B1/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
JP3985442B2 (ja) | 2007-10-03 |
EP1384933A3 (en) | 2004-03-24 |
DE60033702D1 (de) | 2007-04-12 |
EP1134475A1 (en) | 2001-09-19 |
US6517120B1 (en) | 2003-02-11 |
DE60038784D1 (de) | 2008-06-19 |
JP2002013684A (ja) | 2002-01-18 |
EP1134475A4 (en) | 2004-03-24 |
EP1384933A2 (en) | 2004-01-28 |
DE60033702T2 (de) | 2007-11-08 |
EP1384933B1 (en) | 2007-02-28 |
EP1134475B1 (en) | 2008-05-07 |
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