WO2019033952A1 - 可拆卸的快速连接装置 - Google Patents

可拆卸的快速连接装置 Download PDF

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Publication number
WO2019033952A1
WO2019033952A1 PCT/CN2018/099085 CN2018099085W WO2019033952A1 WO 2019033952 A1 WO2019033952 A1 WO 2019033952A1 CN 2018099085 W CN2018099085 W CN 2018099085W WO 2019033952 A1 WO2019033952 A1 WO 2019033952A1
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WO
WIPO (PCT)
Prior art keywords
socket member
wall
quick connect
retaining
connect device
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.)
Ceased
Application number
PCT/CN2018/099085
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English (en)
French (fr)
Inventor
阙峰
周英俊
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.)
Rayconnect Fluid Handling System (zhenjiang) Co Ltd
A Raymond SARL
Original Assignee
Rayconnect Fluid Handling System (zhenjiang) Co Ltd
A Raymond SARL
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
Priority claimed from CN201710707064.9A external-priority patent/CN109404647A/zh
Priority claimed from CN201721035686.3U external-priority patent/CN207094002U/zh
Application filed by Rayconnect Fluid Handling System (zhenjiang) Co Ltd, A Raymond SARL filed Critical Rayconnect Fluid Handling System (zhenjiang) Co Ltd
Publication of WO2019033952A1 publication Critical patent/WO2019033952A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • 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

Definitions

  • the present invention generally relates to the field of quick connectors. More specifically, it relates to a detachable quick connect device for connecting one fluid line/device to another fluid line/device.
  • Quick connectors are widely used in the automotive industry and are commonly used to connect one fluid line (eg, a fuel line) to another fluid line or to quickly connect one plug component to another.
  • fluid line eg, a fuel line
  • a quick connector for a fuel line includes a joint section that can accommodate an opposing plug.
  • most of the opposing insertion tubes 70 have annular ribs 71, and thus the opposing insertion tube 70 has not only the outer diameter D1, the inner diameter D2, but also the enlarged outer diameter D3 at the annular rib 71.
  • the quick connect device 1 is accordingly provided to have a larger size, for example, an enlarged diameter D4 and a length L.
  • reliable locking of the annular ribs is also a problem to be considered. No.
  • 6,086,119 A discloses a similar plug connector that includes a housing for receiving a docking line, wherein the docking tube has a locking ring, a retaining ring is provided in the housing, and the retaining ring has two The claws remain locked with the locking ring after the docking line is fully inserted into the housing.
  • the solution provided by this document also faces large defects.
  • the object of the present invention is to improve the quick connecting device of the prior art, and provide a detachable quick connecting device with a compact structure, which can be especially suitable for a mounting environment with a narrow installation space. After completion, the axial and circumferential movement of the opposing plug tube is effectively prevented, and can be applied to the multi-directional connection requirement of the opposing plug tube.
  • a detachable quick connect device for connecting one fluid line/device to another fluid line/device
  • the quick connect device comprising a joint having an open passage a section, a socket member for holding the opposing insertion tube, and a retaining lock spring that fits through an opposite rectangular opening in the side wall of the socket member to fit the inner space of the socket member
  • the retaining spring Including a pressing portion and a holding portion, the size of the rectangular opening is slightly larger than the size of the pressing portion, and the pressing portion is connected to the holding portion symmetrically arranged with respect to the intermediate axis of the socket member by the elastic connecting strip, and the elastic connecting strip is connected to the holding portion
  • the end face forms a V-shaped cross section, and the pressing portion covers and closes the connection point of the elastic connecting strip, and the retaining portion has a retaining flange at its free end portion that radially extends toward the intermediate axis, and the sleeve member a through hole is formed in
  • the present invention may further include any one or more of the following preferred forms.
  • the socket member has a plurality of buckles extending axially from a wall surface adjacent to the joint portion toward the joint portion, the plurality of buckles being annularly spaced apart, and the spacing between the respective buckles Form a channel.
  • the joint section includes a receiving portion, the opening portion is provided with the opening passage, and a plurality of snap protrusions and a plurality of evenly arranged protrusions are disposed on the annular outer wall of the receiving portion Positioning ribs, the snap protrusions and the positioning ribs are alternately arranged, the snap of the socket member is provided with a snap opening for receiving the snap protrusion, and the positioning rib is received In the channel.
  • the snap projection has a surface that is inclined toward the socket member and an end surface that faces away from the socket member, the end surface being perpendicular to an annular outer wall of the receiving portion of the joint portion,
  • the buckle of the socket member is provided with a guiding surface adapted to the inclined surface of the engaging projection and a stopping surface adapted to the end surface of the engaging projection.
  • the positioning rib is configured to have a right-angled radial cross-section, including a first plane and a second plane disposed at right angles, the first plane and the second plane respectively associated with adjacent cards Buckle contact.
  • the positioning rib is provided as a rib extending axially from the end face of the annular outer wall in the insertion direction of the socket member.
  • the snap projection is disposed adjacent the inlet end of the receptacle of the joint section or at a distance from the inlet end disposed as the receptacle.
  • the buckle of the socket member is symmetrically disposed about the intermediate axis of the socket member, and includes at least two buckles adjacent to the side wall of the socket member provided with a rectangular opening, and The other two snaps adjacent the top and bottom walls of the rectangular open side wall are perpendicular.
  • a platform surface is provided on at least the two cantilevered cantilever beams symmetrically disposed about the intermediate axis of the socket member, the platform surface being disposed perpendicular to the intermediate axis of the socket member.
  • a seal assembly is provided between the socket member and the joint section, the seal assembly including at least one seal ring disposed in the open channel.
  • the open channel of the joint section has a stepped inner wall comprising at least a first inner wall section and a second inner wall section of different inner diameters, the first inner wall section receiving the seal assembly, An abutment surface that contacts the socket member is formed between the first inner wall section and the second inner wall section.
  • the socket member is provided with a pressing flange extending axially from a wall surface adjacent the joint portion toward the joint portion, the pressure flange having a portion with the joint portion Abutting a first abutting surface in contact with the surface, and a second abutting surface in contact with the sealing assembly.
  • the sleeve member is formed with an annular card slot in a region adjacent to the pressing flange on a wall adjacent to the joint portion to receive the joint portion toward the socket member. End face.
  • the seal assembly includes two seal rings and an intermediate ring disposed between the two seal rings.
  • the seal assembly includes a seal ring and a retaining ring, the ends of the retaining ring abutting the socket member and the seal ring, respectively.
  • the retaining ring is provided with an annular wall that is in contact with a wall surface of the socket member adjacent the joint section, and a plurality of fins that extend radially obliquely from the annular wall and are symmetrically arranged.
  • the inner wall of the open channel of the joint section is provided with an inclined recess that is engaged with the plurality of fins.
  • the retaining ring is integrally formed with the socket member and extends axially from a wall surface adjacent the joint portion of the socket member toward the joint portion to form the retaining ring.
  • the invention effectively reduces the joint by setting the radial spacing between the retaining flanges of the retaining springs to be at least equal to or smaller than the diameter of the through-holes of the socket member and smaller than the outer diameter of the insertion section of the opposing plug-in tube
  • the contour size of the section enables reliable locking with the opposing plug-in tube even in the case of a narrow space, preventing the insertion of the opposing plug-in tube from being in place or accidentally loosened.
  • the invention has simple structure, easy operation and wide application.
  • FIG. 1 is a schematic view of a conventional quick connect device and an opposite plug tube into which the quick connect device can be inserted;
  • FIG. 2 is a schematic view of a quick connect device and an opposite plug tube according to an embodiment of the present invention
  • Figure 3 is an exploded perspective view of a quick connect device in accordance with a first preferred embodiment of the present invention
  • Figure 4a is a plan view showing the end portion of the socket member in the quick connect device shown in Figure 3;
  • Figure 4b is a schematic partial cross-sectional view of the socket member
  • Figure 4c is a perspective view of the socket member
  • Figure 5a is a schematic partial cross-sectional view of the joint section of the quick connect device of Figure 3;
  • Figure 5b is a plan view of the end of the joint section
  • Figure 6a is a perspective view of the quick connect device of Figure 3 after assembly
  • Figure 6b is a schematic side cross-sectional view of the joint portion of the quick connect device of Figure 3 assembled with the socket member and the seal assembly;
  • Figure 7a is a partial cross-sectional view of the opposite insertion tube to be inserted into the quick connect device of Figure 3;
  • Figure 7b is a schematic cross-sectional view along line A-A of Figure 7a showing the positional state of the two retaining flanges holding the lock spring;
  • Figure 8a is a partial cross-sectional view showing the insertion of the opposite insertion tube of Figure 3;
  • Figure 8b is a schematic cross-sectional view taken along line B-B of Figure 8a showing the positional state between the opposing insertion tube and the two retaining flanges of the retaining lock spring;
  • Figure 9a is a partial cross-sectional view of the plug connector fully inserted into the quick connect device of Figure 3;
  • Figure 9b is a side cross-sectional view, partly in the state shown in Figure 9a, showing the position in which the two retaining flanges of the retaining spring remain locked with the opposing plug-in tubes;
  • Figure 10 is a schematic illustration of a quick connect device in accordance with a second preferred embodiment of the present invention.
  • Figure 11 is an exploded perspective view of a quick connect device in accordance with a third preferred embodiment of the present invention.
  • Figure 12 is a side cross-sectional view showing the quick connecting device of Figure 11 after assembly
  • Figure 13 is an exploded perspective view of a quick connect device in accordance with a fourth preferred embodiment of the present invention.
  • Figure 14 is a side cross-sectional view showing the quick connecting device of Figure 13 after assembly.
  • FIG. 2 shows an embodiment of a quick connect device 10 according to the invention, which can be connected and locked in a compact structural size, in particular with an annular groove 81, compared to the solution shown in FIG. Opposite plug-in tube 80.
  • the opposing plug 80 has an outer diameter d1, an inner diameter d2 and an outer diameter d3 that is reduced at the annular groove 81, which enables the quick connect device 10 to have a reduced outer diameter d4 and length l.
  • the quick connect device 10 shown in Fig. 2 is exemplarily shown as a right angle tube, however, it should be understood that the quick connect device of the present invention is equally applicable to a double pass, a right angle tube or a tee, depending on the application.
  • the quick connect device comprises a joint section 101, a socket part 20 for holding the opposing plug tube, and a socket mounted
  • the lock spring 30 is held in the inner space of the component 20.
  • the joint section 101 is shown in the form of a tee, the joint section 101 comprising a receptacle 111 in which an open channel 141 is provided, on the annular outer wall of the receptacle 111 being provided with a plurality of evenly arranged
  • the engaging projection 121 and the plurality of positioning ribs 131 are alternately arranged with the engaging projection 121 and the positioning rib 131.
  • the socket member 20 is provided with a hollow body 21 accommodating a holding lock spring 30 having rectangular openings 26a, 26b opposed to the side walls 26, and a front end face 25 facing the opposite insertion tube and the joint portion The wall surface 28 adjacent to the segment 101.
  • the retaining spring 30 is retained in the hollow body 21 of the socket member by passing through the rectangular openings 26a, 26b.
  • the socket part 20 is provided with a through hole 27 in the wall surface 28 for receiving an insertion section of the plug pipe which is connected to the fluid line/device.
  • the retaining lock spring 30 includes pressing portions 31a, 31b and holding portions 32a, 32b, and the rectangular openings 26a, 26b of the socket member are slightly larger in size than the pressing portions 31a, 31b, wherein the pressing portions 31a, 31b pass through the elastic connecting strips and about
  • the symmetrical arrangement of the retaining portions 32a, 32b of the intermediate axis XX (Fig.
  • the elastic connecting strip is connected to the end faces of the retaining portions 32a, 32b to form a V-shaped cross section, and the pressing portions 31a, 31b cover and close the elastic connecting strip Connecting points and protruding from the rectangular openings 26a, 26b for pressing by the user, the holding portions 32a, 32b having at their free ends a retaining flange 33a, 33b extending radially toward the intermediate axis XX .
  • the radial spacing between the retaining flanges 33a, 33b is preferably at least equal to or smaller than the diameter of the through-hole 27 of the socket member and smaller than the outer diameter of the insertion section of the opposing plug-in tube.
  • the retaining flanges 33a, 33b are preferably formed in the form of jaws, which can be guided by the retaining flange after the opposing plug-in tube 80, for example as shown in Fig. 2, is fully inserted into the joint section 101, and thus the retaining projection
  • the rims 33a, 33b can be snapped into the annular groove 81 of the opposing plug tube 80 to lock it.
  • the quick connect device of the present invention can prevent the opposing plug tube from being inserted into place, and can also prevent accidental loosening after the opposing plug tube is fully inserted. This will be described in detail below.
  • the plurality of snaps 22 on the socket member 20 extending axially from the wall surface 28 adjacent to the joint section toward the joint section 101 have snap-fit openings 23 for receiving the latching projections 121 and
  • the annular spacers are arranged to form a channel 24 between the respective buckles 22 that can receive the positioning ribs 131.
  • the socket member 20 is provided with two sets of buckles 22, each of which includes two buckles 22 symmetrically arranged with respect to the intermediate axis XX of the socket member, wherein the group of buckles 22 is adjacent to the socket member
  • the side wall 26 of the rectangular opening 20 is provided, and the other set of buckles 22 are adjacent to the top wall 21a and the bottom wall 21b which are perpendicular to the side wall 26 provided with a rectangular opening.
  • the latching projections 121 and the positioning ribs 131 of the joint section 101 are respectively arranged radially symmetrically on the annular outer wall of the receiving portion 111, wherein the positioning ribs 131 are located between each of the two latching projections 121.
  • the latching projection 121 is disposed adjacent to the inlet end of the receiving portion 111 and has a surface inclined toward the socket member 20 and an end surface 121a facing away from the socket member 20, the end surface 121a being perpendicular to the receiving portion 111
  • An annular outer wall (Fig. 5b) correspondingly, as shown in Fig. 4b, the buckle 22 of the socket member 20 is provided with a guiding surface 22b adapted to the inclined surface of the engaging projection and an end surface of the engaging projection
  • the corresponding stop face 22c of the 121a, the socket part 20 can be easily and unimpededly fitted onto the joint section 101 by the guide surface 22b, and a reliable fixed connection is achieved.
  • Fig. 5b annular outer wall
  • the positioning ribs 131 are arranged to have a right-angled radial cross section, including a first plane 131a and a second plane 131b arranged at right angles, the first plane 131a and the second plane 131b respectively adjacent to the card
  • the buckle contact is exemplarily shown in contact with the snap fit surface 22d in this embodiment.
  • the radial ribs 131 form a surface line contact or even a surface contact with the channel 24, thereby reliably maintaining the socket member 20 and the joint portion 101 in a stable snap-fit state, avoiding the socket member at the joint. Rotation on the annular outer wall of the section.
  • Such a snap fit can also achieve an adjustment of, for example, 90° (as shown in the drawings) or even any suitable angle between the socket member and the joint portion by the number and position of the buckle 22 and the positioning rib 131, thereby Adapt to different assembly requirements and applications.
  • a platform surface 22a is provided on at least the cantilever beam 22e of a set of buckles 22 arranged symmetrically about the intermediate axis XX of the socket member 20, such as the platform surface 22a shown in the figures.
  • the arrangement of the platform surface 22a reduces the thickness of the cantilever beam 22e, which helps to simplify the drawing process in the mold injection molding manufacturing process, resulting in a reduction in the reject rate.
  • the platform surface enables the operator to easily distinguish the plane in which the pressing portion is located during assembly, ensuring proper alignment of the socket member and the joint portion.
  • a seal assembly is also provided between the socket member 20 and the joint section 101.
  • the seal assembly includes two seal rings 40, 50 and an intermediate ring 60 interposed therebetween.
  • the opening channel 141 of the receiving portion of the joint section 101 forms a stepped inner wall by increasing the wall thickness along the insertion direction P of the socket member, including different inner diameters.
  • the first inner wall section 111a accommodates the seal assembly, and the transition between the first inner wall section 111a and the second inner wall section 111b constitutes an abutment surface 111c that is in contact with the socket member.
  • the socket member is provided with a pressing flange 29 (Fig.
  • the abutting flange 29 having abutment with the joint portion
  • the first resisting surface 29a in contact with the surface 111c and the second abutting surface 29b in contact with the sealing member.
  • the region of the wall surface 28 adjacent to the joint portion of the socket member 20 adjacent to the abutment flange 29 is formed with an annular card groove 28a for receiving the orientation of the joint portion of the joint portion.
  • the end face 111d of the socket member helps to strengthen the fixing and prevent the socket member from coming loose.
  • the engaging protrusion 121 of the joint section is fixed in the snap opening 23 of the buckle 22, and the end surface 121a of the engaging protrusion abuts the stop surface of the buckle 22.
  • the first abutting surface 29a of the socket member abuts against the abutment surface 111c of the joint section, and the first inner wall section 111a of the joint section has two sealing rings and an intermediate ring therebetween, wherein the end face of the sleeve member is adjacent The sealing ring abuts against the second abutting surface 29b of the socket member for axial positioning.
  • FIG. 7a shows a state in which the opposite insertion tube 80 having the annular groove 81 is to be inserted into the quick connect device, and the annular groove 81 of the opposite insertion tube 80 has the inclined surface 81a and the radial end wall 81b, and Figs. 8a and 8b show the pair.
  • the plug connector 80 is inserted into the state of the quick connect device, and FIGS. 9a and 9b show the state in which the opposite plug connector 80 is fully inserted into the quick connect device, in which the guide bevel 331 of the retaining flange is shown. And snap the end face 332.
  • the elastic connecting strip is in a natural state in which no deformation occurs without being subjected to an external force, and the pressing portions 31a, 31b of the retaining spring are protruded from the sleeve.
  • the retaining flanges 33a, 33b are resiliently snapped into the annular groove 81 and passed through
  • the engagement of the guide ramp 331 and the snap end surface 332 with the inclined surface 81a and the radial end wall 81b locks the opposing plug tube 80 as shown in Figure 9b.
  • the engaging end surface 332 and the radial end wall 81b are both engaging surfaces perpendicular to the axis, and the guiding slope 331 and the inclined surface 81a have the same inclination angle.
  • the pressing portions 31a, 31b of the retaining spring are elastically restored to the initial position, that is, the position of the side wall of the socket member as shown in Fig. 9a.
  • the pressing portion of the retaining spring has a positional change inwardly retracted, and it should be noted here that the elastic connection is made when the insertion tube is not inserted into the expected/locked position.
  • the strip does not return to its natural state, that is, the pressing surface of the pressing portion does not return from the recessed position. This helps the operator to judge whether the opposing insertion tube is inserted into position by visual observation or hand contact, thereby further preventing the insertion of the opposing insertion tube from being in place or accidentally loosened.
  • Figure 10 shows a quick connect device in accordance with a second embodiment of the present invention.
  • the joint section, the socket part and the retaining lock spring of this embodiment are substantially similar to the first embodiment.
  • the snap projections 122 of the joint section 102 are arranged at a distance d from the inlet end of the receptacle of the joint section. Accordingly, the snap opening 232 of the buckle 222 of the socket member is no longer adjacent the wall surface 282, but has a section 282b formed extending axially from the wall surface 282 toward the joint section.
  • this design increases the strength of the connection between the cantilever beam of the buckle 222 and the body 212, thereby reducing the load at the joint and avoiding the breakage of the cantilever due to excessive loading. It can be understood that when the arrangement of the snap-in protrusions of the first embodiment is adopted, the reinforcement section can be provided at the buckle connection by adjusting the size of the snap-in opening, thereby increasing the connection strength.
  • the joint section 103 is exemplified by a right angle tube.
  • the engaging projection 123 on the annular outer wall of the joint portion 103 has an increased annular size compared to the aforementioned engaging projection 121 or 122, so that the size of the positioning rib 133 is reduced compared to the positioning rib 131 described above. size.
  • the positioning rib 133 is provided as a rib extending axially from the end surface of the annular outer wall in the insertion direction.
  • the hollow body 213 that mates with the retaining lock spring 30 can remain substantially similar to the aforementioned hollow body 211 or 212.
  • the seal assembly is optionally configured to include a seal ring 50 and a retaining ring 90 that abuts the socket member 203 and the seal ring 50, respectively.
  • the retaining ring 90 can be provided with an annular wall 91 that is in contact with the wall surface 283 of the socket member 203 adjacent the joint section, and a plurality of fins 92 that extend radially symmetrically from the annular wall 91 and are symmetrically arranged.
  • An inclined recess 153 that is engaged with the plurality of fins 92 is disposed on an inner wall of the opening passage of the joint section.
  • Two fins 92 arranged radially symmetrically are exemplarily shown in the figures.
  • one end of the annular wall 91 of the fixing ring 90 abuts against the wall surface 283 of the socket member, the other end abuts the seal ring 50, and the fin 92 is connected to the joint portion.
  • the inclined recess 153 of the segment 103 is engaged with the snap.
  • the retaining ring can be integrally formed with the socket member.
  • This embodiment is substantially similar to the third embodiment described above, except that the wall 283 adjacent to the joint section 103 of the socket member 204 extends axially toward the joint section to form a retaining ring 284, the retaining ring 284 The end surface 284a abuts the seal ring 50. In this way, the overall axial length of the quick connect device after assembly is completed can be reduced, which is more advantageous for achieving compact structure.
  • the quick connect device of the present invention ensures a quick connection and locking with the opposing plug-in tube while achieving a compact configuration, while avoiding the insertion of the opposing plug-in tube into place. Suddenly loose.
  • the present invention advantageously prevents connection failure due to torsion of the socket member by a snap fit between the socket member and the annular outer wall of the joint portion.
  • the detachable nature of the present invention allows the quick-connecting device to be replaceable, for example, to replace differently sized joint sections or socket parts, even socket parts having different retaining springs, such as CN203655803U The single button keeps the lock spring.

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

Abstract

一种可拆卸的快速连接装置，包括具有开口通道（141）的接头部段（101）、用于保持对置插接管的套接部件（20），以及配合安装在套接部件内部空间的保持锁簧（30），保持锁簧包括按压部（31a，31b）与保持部（32a，32b），保持部在其自由端部上具有径向延伸的保持凸缘（33a，33b），套接部件的与接头部段相邻的壁面上开设有容置对接的插接管的插入段的通孔（27）；其中，保持部的保持凸缘之间的径向间距至少等于或者小于套接部件的通孔的直径，并且小于对置插接管的插入段的外径。该快速连接装置在实现紧凑构造的同时保证了与对置插接管的快速连接及锁定，同时能够避免对置插接管插入不到位和意外松脱。

Description

可拆卸的快速连接装置 技术领域
本发明总的涉及快速连接器领域。更具体地，涉及一种用于将一个流体管路/设备与另一个流体管路/设备连接的可拆卸的快速连接装置。
背景技术
快速连接器被广泛应用于汽车工业中，通常用于将一个流体管路(例如，燃油管路)与另一个流体管路连接，或者将一个插接部件与另一个插接部件快速连接。
通常，应用于燃油管路的快速连接器包括可容置对置插接管的接头部段。如图1所示的一种方式，大多数对置插接管70具有环形肋71，因此对置插接管70不仅具有外径D1、内径D2，还具有环形肋71处的扩大外径D3。为了容置这种具有扩大外径的对置插接管70，快速连接装置1相应地被设置为具有较大的尺寸，例如，扩大的直径D4和长度L。此外，对环形肋的可靠锁定也是需要考虑的问题。美国专利US6086119A公开了一种类似的插接连接器，该插接连接器包括用来接收对接管路的壳体，其中对接管路具有锁定环，壳体中设有保持环，保持环具有两个爪部以在对接管路完全插入壳体之后与锁定环保持锁定。该文献提供的方案同样面临尺寸较大的缺陷。
随着快速连接器应用场合的逐渐发展，结构布局紧凑化已成为亟待解决的热门问题。尤其对于电动汽车而言，为了保证电动汽车足够的续航能力，电池通常占据较大尺寸空间，因而在有限空间的条件下，有必要设计一种尺寸紧凑的快速连接器。除了尺寸上的限制以外，现有快速连接器还面临的一个问题在于，如上述文献中所公开的，壳体上用于容置对接管路的部分与壳体一体成型，当壳体被设置为图1所示的直角型管或三通管等形式时，这种结构设计往往不能满足不同安装空间情况下与所对接的部件多方位连接的需要。
发明内容
本发明的目的就在于对现有技术中的快速连接装置进行改进，提供一种结构尺寸紧凑的可拆卸的快速连接装置，该快速连接装置尤其能够适用于装配空间狭窄的安装环境，在插接完成后有效防止对置插接管轴向和周向的移动，并且能够适用于对置插接管多方位的连接需求。
为此，根据本发明的技术方案，提供一种可拆卸的快速连接装置，用于将一个流体管路/设备与另一个流体管路/设备连接，所述快速连接装置包括具有开口通道的接头部段、用于保持对置插接管的套接部件，以及穿过套接部件侧壁上对置的矩形开口而配合安装在所述套接部件内部空间的保持锁簧，所述保持锁簧包括按压部与保持部，矩形开口的尺寸略微大于按压部的尺寸，所述按压部通过弹性连接条与关于所述套接部件的中间轴线对称布置的保持部连接，弹性连接条连接在保持部的端面形成V形截面，按压部覆盖并闭合了弹性连接条的连接点，保持部在其自由端部上具有朝所述中间轴线方向径向延伸的保持凸缘，所述套接部件的与接头部段相邻的壁面上开设有通孔，所述通孔用于容置与流体管路/设备对接的插接管的插入段，其中，所述保持部的保持凸缘之间存在径向间距，所述径向间距至少等于或者小于所述套接部件的通孔的直径，并且所述径向间距小于对置插接管的插入段的外径。
根据上述技术构思，本发明可进一步包括任何一个或多个如下的优选形式。
在某些优选形式中，所述套接部件从其与接头部段相邻的壁面朝向接头部段轴向延伸出多个卡扣，所述多个卡扣环形间隔布置，各个卡扣之间的间隔形成槽道。
在某些优选形式中，所述接头部段包括容纳部，所述容纳部内设有所述开口通道，在所述容纳部的环形外壁上设有均匀布置的多个卡接凸起和多个定位凸肋，所述卡接凸起和所述定位凸肋交替布置，所述套接部件的卡扣设有容置所述卡接凸起的卡接开口，所述定位凸肋被接收于所述槽道内。
在某些优选形式中，所述卡接凸起具有朝向所述套接部件倾斜的表面和背离所述套接部件的端面，所述端面垂直于所述接头部段的容纳部的环 形外壁，所述套接部件的卡扣设有与所述卡接凸起的倾斜的表面相适应的引导面以及与所述卡接凸起的端面相适应的止挡面。
在某些优选形式中，所述定位凸肋被设置为具有直角形径向截面，包括成直角布置的第一平面和第二平面，所述第一平面和第二平面分别与相邻的卡扣接触。
在某些优选形式中，所述定位凸肋被设置为从环形外壁的端面沿所述套接部件的插入方向轴向延伸的肋条。
在某些优选形式中，所述卡接凸起邻近所述接头部段的容纳部的入口端布置或者与被布置为所述容纳部的入口端间隔一距离。
在某些优选形式中，所述套接部件的卡扣关于套接部件的中间轴线对称布置，至少包括与套接部件的设置有矩形开口的侧壁临近的两个卡扣，以及与设有矩形开口的侧壁相垂直的顶壁和底壁临近的另外两个卡扣。
在某些优选形式中，至少在关于套接部件的中间轴线对称布置的两个卡扣的悬臂梁上设有平台表面，所述平台表面垂直于所述套接部件的中间轴线设置。
在某些优选形式中，所述套接部件和所述接头部段之间设有密封组件，所述密封组件包括至少一个设在所述开口通道中的密封环。
在某些优选形式中，所述接头部段的开口通道具有阶梯形内壁，包括不同内径的至少第一内壁区段和第二内壁区段，所述第一内壁区段容纳所述密封组件，所述第一内壁区段和第二内壁区段之间形成与所述套接部件相接触的抵接表面。
在某些优选形式中，所述套接部件设有从其与接头部段相邻的壁面朝向接头部段轴向延伸出的抵压凸缘，所述抵压凸缘具有与所述接头部段的抵接表面相接触的第一抵压面，以及与所述密封组件相接触的第二抵压面。
在某些优选形式中，所述套接部件与接头部段相邻的壁面上的与抵压凸缘相邻近的区域形成有环形卡槽，以接收所述接头部段朝向所述套接部件的端面。
在某些优选形式中，所述密封组件包括两个密封环，以及设置在所述两个密封环之间的中间环。
在某些优选形式中，所述密封组件包括密封环和固定环，所述固定环 的两端分别抵接所述套接部件和所述密封环。
在某些优选形式中，所述固定环设有与所述套接部件的与接头部段相邻的壁面相接触的环形壁，以及从所述环形壁径向倾斜延伸且对称布置的多个翼片，所述接头部段的开口通道的内壁上设有与所述多个翼片卡接的倾斜凹口。
在某些优选形式中，所述固定环与所述套接部件一体形成，从所述套接部件的与接头部段相邻的壁面朝向所述接头部段轴向延伸出以形成所述固定环。
本发明通过将保持锁簧的保持凸缘之间的径向间距设置为至少等于或者小于套接部件的通孔的直径，并且小于对置插接管的插入段的外径，有效减小了接头部段的轮廓尺寸，即使在空间狭窄的情况下，也能够实现与对置插接管的可靠锁定，防止对置插接管的插入不到位或意外松脱。本发明构造简单、操作容易，应用广泛。
附图说明
本发明的其它特征以及优点将通过以下结合附图详细描述的优选实施方式更好地理解，附图中相同的附图标记标识相同或相似的部件，其中：
图1是一种现有快速连接装置及可插入该快速连接装置的对置插接管的示意图；
图2是根据本发明一种实施方式的快速连接装置及对置插接管的示意图；
图3是根据本发明第一种优选实施方式的快速连接装置的分解示意图；
图4a是图3所示快速连接装置中套接部件的端部平面示意图；
图4b是套接部件的侧向部分截面示意图；
图4c是套接部件的透视图；
图5a是图3所示快速连接装置中接头部段的侧向部分截面示意图；
图5b是接头部段的端部平面示意图；
图6a是图3所示快速连接装置装配完成后的透视图；
图6b是图3所示快速连接装置中接头部段与套接部件和密封组件装配后的侧向部分截面示意图；
图7a是对置插接管将要插入图3所示快速连接装置的部分截面示意图；
图7b是沿图7a中线A-A的截面示意图，示出了保持锁簧的两个保持凸缘的位置状态；
图8a是对置插接管插入图3所示快速连接装置的部分截面示意图；
图8b是沿图8a中线B-B的截面示意图，示出了对置插接管与保持锁簧的两个保持凸缘之间的位置状态；
图9a是对置插接管完全插入图3所示快速连接装置的部分截面示意图；
图9b是图9a所示状态下的侧向部分截面示意图，示出了保持锁簧的两个保持凸缘与对置插接管保持锁定的位置状态；
图10是根据本发明第二种优选实施方式的快速连接装置的示意图；
图11是根据本发明第三种优选实施方式的快速连接装置的分解示意图；
图12是图11所示快速连接装置装配完成后的侧向部分截面示意图；
图13是根据本发明第四种优选实施方式的快速连接装置的分解示意图；
图14是图13所示快速连接装置装配完成后的侧向部分截面示意图。
具体实施方式
下面结合附图详细讨论实施例的实施和使用。然而，应当理解，所讨论的具体实施例仅仅示范性地说明实施和使用本发明的特定方式，而非限制本发明的范围。在描述时各个部件的结构位置例如上、下、顶部、底部等方向的表述不是绝对的，而是相对的。当各个部件如图中所示布置时，这些方向表述是恰当的，但图中各个部件的位置改变时，这些方向表述也相应改变。
图2示出了根据本发明的快速连接装置10的一种实施方式，相比于图1所示的方案，本发明的快速连接装置能够以紧凑的结构尺寸连接并锁定尤其是具有环形槽81的对置插接管80。具体从图中可见，对置插接管80具有外径d1、内径d2和在环形槽81处缩小的外径d3，这使得快速连接装置10能够具有减小的外径d4和长度l。图2示出的快速连接装置10示例性示出为直角型管，然而，应当理解的是，根据不同的应用场合，本发明的快速连接装置同样适用于双通管、直角型管或三通管，能够用来插入并锁定具有环形肋或环形槽的对置插接管。
下面描述各种优选实施方式以助于更好地理解本发明。
首先参见图3至图9b所示的第一种优选实施方式，在该实施方式中，快速连接装置包括接头部段101、用于保持对置插接管的套接部件20，以及安装在套接部件20内部空间的保持锁簧30。
接头部段101被示出为三通管的形式，该接头部段101包括容纳部111，在容纳部111内设有开口通道141，在容纳部111的环形外壁上设有均匀布置的多个卡接凸起121和多个定位凸肋131，卡接凸起121和定位凸肋131交替布置。套接部件20设有容置保持锁簧30的中空主体21，该中空主体21具有在侧壁26上对置的矩形开口26a、26b，以及朝向对置插接管的前端面25和与接头部段101相邻的壁面28。保持锁簧30穿过矩形开口26a、26b而配合安装在套接部件的中空主体21内。套接部件20在壁面28上开设有通孔27，用于容置与流体管路/设备对接的插接管的插入段。保持锁簧30包括按压部31a、31b与保持部32a、32b，套接部件的矩形开口26a、26b的尺寸略微大于按压部31a、31b的尺寸，其中按压部31a、31b通过弹性连接条与关于套接部件的中间轴线X-X(图4c)对称布置的保持部32a、32b连接，弹性连接条连接在保持部32a、32b的端面形成V形截面，按压部31a、31b覆盖并闭合了弹性连接条的连接点，并可从矩形开口26a、26b中突伸出供使用者按压，保持部32a、32b在其自由端部上具有朝所述中间轴线X-X方向径向延伸的保持凸缘33a、33b。根据本发明，保持凸缘33a、33b之间的径向间距优选至少等于或者小于套接部件的通孔27的直径，并且小于对置插接管的插入段的外径。保持凸缘33a、33b优选成型为卡爪的形式，当例如图2所示的对置插接管80完全插入接头部段101之后，对置插接管能够由保持凸缘引导插入，进而该保持凸缘33a、33b能够卡合入对置插接管80的环形槽81中将其锁定。通过这种方式，本发明的快速连接装置能够避免对置插接管没有插入到位，同时也可防止对置插接管完全插入后的意外松脱。这将在下文中详细描述。
从图3可见，套接部件20上的从其与接头部段相邻的壁面28朝向接头部段101轴向延伸出的多个卡扣22具有可容置卡接凸起121的卡接开口23且环形间隔布置，在各个卡扣22之间形成可接收定位凸肋131的槽道24。在该实施方式中，套接部件20上共设有两组卡扣22，每组包括关于套 接部件的中间轴线X-X对称布置的两个卡扣22，其中一组卡扣22临近套接部件20的设置有矩形开口的侧壁26，而另一组卡扣22临近与设有矩形开口的侧壁26相垂直的顶壁21a和底壁21b。相应地，接头部段101的卡接凸起121和定位凸肋131在容纳部111的环形外壁上分别径向对称布置，其中定位凸肋131位于每两个卡接凸起121之间。在该实施方式中，卡接凸起121邻近容纳部111的入口端布置，并具有朝向套接部件20倾斜的表面和背离套接部件20的端面121a，所述端面121a垂直于容纳部111的环形外壁(图5b)，相应地，如图4b所示的，套接部件20的卡扣22设有与卡接凸起的倾斜的表面相适应的引导面22b以及与卡接凸起的端面121a相适应的止挡面22c，套接部件20通过引导面22b可以便捷无阻碍的套装到接头部段101上，并且实现可靠的固定连接。结合图7b所示，定位凸肋131被设置为具有直角形径向截面，包括成直角布置的第一平面131a和第二平面131b，第一平面131a和第二平面131b分别与相邻的卡扣接触，该实施方式中示例性示出为与卡扣配合表面22d接触。当套接部件20通过卡扣22与接头部段101的卡接凸起121卡接时，定位凸肋131沿卡扣22两两之间的槽道24滑入，由于定位凸肋131的直角形径向截面，定位凸肋131与槽道24形成面线接触甚至是面面接触，从而可靠地将套接部件20与接头部段101保持在稳固的卡接状态，避免套接部件在接头部段的环形外壁上的旋转。这种卡接配合还能通过卡扣22与定位凸肋131数量以及位置的设置实现套接部件与接头部段之间例如90°(如附图中所示)甚至任意适合角度的调整，从而适应于不同的装配要求与应用场合。
从图3中还可看出，至少在关于套接部件20的中间轴线X-X对称布置的一组卡扣22的悬臂梁22e上设有平台表面22a，例如图中所示的该平台表面22a设置在与套接部件20的顶壁21a和底壁21b临近的两个卡扣的悬臂梁22e上，并且沿垂直于中间轴线X-X的方向设置。该平台表面22a的设置减小了悬臂梁22e的厚度，有助于简化模具注塑制造过程中的拉模工序，使得废品率降低。此外，在进行装配时，该平台表面能够使得操作者便于区分按压部所在的平面，保证套接部件与接头部段的正确对装。
在套接部件20和接头部段101之间还设有密封组件，在所示实施方式中，密封组件包括两个密封环40、50和置于其间的中间环60。在套接部件 20与接头部段101连接，并且对置插接管插入该快连接装置之后，密封环40、50以及中间环60将会密封接头部段101的开口通道141并密封抵接套接部件20的抵接端面。
具体结合图5a、图6b所示，在该实施方式中，接头部段101的容纳部的开口通道141通过沿套接部件的插入方向P增加壁厚的方式形成阶梯形内壁，包括不同内径的至少第一内壁区段111a和第二内壁区段111b。第一内壁区段111a容纳密封组件，第一内壁区段111a和第二内壁区段111b之间的过渡段构成与套接部件相接触的抵接表面111c。有利地，套接部件设有从其与接头部段相邻的壁面28朝向接头部段101轴向延伸出的抵压凸缘29(图4c)，抵压凸缘29具有与接头部段的抵接表面111c相接触的第一抵压面29a，以及与密封组件相接触的第二抵压面29b。从图6b中可见，优选地，套接部件20与接头部段相邻的壁面28上的与抵压凸缘29相邻近的区域形成有环形卡槽28a，用来接收接头部段的容纳部朝向套接部件的端面111d，这有助于加强固定并防止套接部件松脱。在套接部件与接头部段连接之后，接头部段的卡接凸起121卡入卡扣22的卡接开口23中固定，卡接凸起的端面121a抵接卡扣22的止挡面，套接部件的第一抵压面29a抵靠接头部段的抵接表面111c，而接头部段的第一内壁区段111a内容置两个密封环及其间的中间环，其中靠近套接部件端面的密封环抵靠套接部件的第二抵压面29b以实现轴向定位。
下面结合图7a至图9b具体描述该实施方式的快速连接装置用于连接对置插接管的操作过程。
图7a为具有环形槽81的对置插接管80将要插入快速连接装置的状态，对置插接管80的环形槽81具有倾斜表面81a和径向端壁81b，图8a和图8b示出了对置插接管80插入快速连接装置的状态，以及图9a和图9b示出了对置插接管80完全插入快速连接装置的状态，其中示出了保持凸缘所具有的类似卡爪的导向斜面331和卡接端面332。在对置插接管未插入时，如图7a所示的，在没有受到外力作用的情况下，弹性连接条处于未发生任何形变的自然状态，保持锁簧的按压部31a、31b突伸出套接部件的侧壁26的平面。
当对置插接管部分插入后，如图8a和图8b所示的，由于保持锁簧的 两个保持凸缘33a、33b之间的径向间距小于套接部件的用于容置对置插接管的通孔的直径，并且保持锁簧具有弹性特性，使得对置插接管80由保持凸缘的导向斜面331引导插入的同时，保持凸缘33a、33b被对置插接管80的外壁撑开一定距离，相应地，与保持凸缘33a、33b连接的弹性连接条产生变形，进而带动彼此对置的按压部31a、31b具有向套接部件的内部移动并相互靠近的趋势。结果是，按压部31a、31b的按压面如图8a和图8b所示陷入套接部件的矩形开口内，并且低于侧壁26的平面，从而产生视觉上明显的结构变化。
如图9a和图9b所示，当对置插接管80完全插入之后，也就是环形槽81移动到保持凸缘33a、33b后，保持凸缘33a、33b弹性卡入环形槽81内，并通过导向斜面331和卡接端面332与倾斜表面81a和径向端壁81b的配合将对置插接管80锁定，如图9b所示的。此实施方式优选的是，卡接端面332与径向端壁81b均为与轴线垂直的卡接面，导向斜面331和倾斜表面81a的倾斜角度相同。此时，保持锁簧的按压部31a、31b弹性回复至初始位置，即，图9a所示的突伸出套接部件的侧壁的位置。
从上述描述中可知，在对置插接管的插入期间，保持锁簧的按压部具有向内缩进的位置变化，这里应当注意的是，当插接管没有插入到预期/锁定位置时，弹性连接条不会恢复至自然状态，也就是说，按压部的按压面不会从凹陷位置回复。这有助于使得操作者通过视觉观察或者手部接触来判断对置插接管是否插入到位，由此可进一步避免对置插接管的插入不到位或意外松脱。
图10示出了根据本发明第二种实施方式的快速连接装置。该实施方式的接头部段、套接部件和保持锁簧与第一种实施方式大致类似。不同之处在于，在该实施方式中，接头部段102的卡接凸起122布置成与接头部段的容纳部的入口端间隔一距离d。相应地，套接部件的卡扣222的卡接开口232不再紧邻壁面282，而是具有从壁面282朝向接头部段轴向延长而形成的部段282b。相比于第一种实施方式，这种设计增加了卡扣222的悬臂梁与主体212之间的连接强度，从而减小了连接处的载荷，避免由于过大负载导致的悬臂梁的断裂。可以理解的是，在采用第一种实施方式的卡接凸起的布置方式时，亦可通过调整卡接开口的大小来实现在卡扣连接处提供 加固部段，进而增加连接强度。
图11和图12示出了根据本发明第三种实施方式的快速连接装置。在该实施方式中，保持锁簧30与前述实施方式相同，因而不予赘述。接头部段103以直角型管作为示例。接头部段103的环形外壁上的卡接凸起123相比于前述卡接凸起121或122具有增加的环形尺寸，从而定位凸肋133的尺寸相比于前述定位凸肋131具有减小的尺寸。具体来说，定位凸肋133被设置为从环形外壁的端面沿插入方向轴向延伸的肋条。与保持锁簧30配合的中空主体213可与前述中空主体211或者212保持大致相似。在该实施方式中，密封组件可选地被设置为包括一个密封环50和固定环90，固定环90的两端分别抵接套接部件203和密封环50。从图11中可见，固定环90可设有与套接部件203的与接头部段相邻的壁面283相接触的环形壁91，以及从环形壁91径向倾斜延伸且对称布置的多个翼片92。接头部段的开口通道的内壁上设有与所述多个翼片92卡接的倾斜凹口153。图中示例性示出径向对称布置的两个翼片92。在套接部件与接头部段连接后，如图12所示，固定环90的环形壁91的一端抵接套接部件的壁面283，另一端抵接密封环50，翼片92则与接头部段103的倾斜凹口153配合卡接。
在另一种实施方式中，如图13和图14示出的第四种实施方式中，固定环可与套接部件一体形成。该实施方式与上述第三种实施方式大致类似，区别在于从套接部件204的与接头部段103相邻的壁面283朝向所述接头部段轴向延伸出以形成固定环284，固定环284的端面284a抵接密封环50。以这种方式，能够减小装配完成后快速连接装置的整体轴向长度，更有利于实现结构紧凑化。
从以上对各种实施方式的概述不难看出，本发明的快速连接装置在实现紧凑构造的同时，保证了与对置插接管的快速连接及锁定，同时能够避免对置插接管插入不到位和意外松脱。而且，本发明有利地通过套接部件与接头部段的环形外壁之间的卡接配合，能够防止由于套接部件的扭转导致的连接失效。除此之外，本发明的可拆卸的特性使得快速连接装置具有可替换性，例如可更替不同尺寸的接头部段或者套接部件，甚至是具有不同保持锁簧的套接部件，如CN203655803U中的单按钮保持锁簧。
虽然以上已揭示本发明的技术内容及技术特点，然而可以理解，在本 发明的创作思想下，本领域的技术人员可以对上述公开的构思作各种变化和改进，但都属于本发明的保护范围。上述实施方式的描述是例示性的而不是限制性的，本发明的保护范围由权利要求所确定。

Claims (17)

  1. 一种可拆卸的快速连接装置，用于将一个流体管路/设备与另一个流体管路/设备连接，所述快速连接装置包括具有开口通道的接头部段、用于保持对置插接管的套接部件，以及穿过套接部件侧壁上对置的矩形开口而配合安装在所述套接部件内部空间的保持锁簧，所述保持锁簧包括按压部与保持部，矩形开口的尺寸略微大于按压部的尺寸，所述按压部通过弹性连接条与关于所述套接部件的中间轴线对称布置的保持部连接，弹性连接条连接在保持部的端面形成V形截面，按压部覆盖并闭合了弹性连接条的连接点，保持部在其自由端部上具有朝所述中间轴线方向径向延伸的保持凸缘，所述套接部件的与接头部段相邻的壁面上开设有通孔，所述通孔用于容置与流体管路/设备对接的插接管的插入段，其特征在于，
    所述保持部的保持凸缘之间存在径向间距，所述径向间距至少等于或者小于所述套接部件的通孔的直径，并且所述径向间距小于对置插接管的插入段的外径。
  2. 根据权利要求1所述的可拆卸的快速连接装置，其特征在于，所述套接部件从其与接头部段相邻的壁面朝向接头部段轴向延伸出多个卡扣，所述多个卡扣环形间隔布置，各个卡扣之间的间隔形成槽道。
  3. 根据权利要求2所述的可拆卸的快速连接装置，其特征在于，所述接头部段包括容纳部，所述容纳部内设有所述开口通道，在所述容纳部的环形外壁上设有均匀布置的多个卡接凸起和多个定位凸肋，所述卡接凸起和所述定位凸肋交替布置，所述套接部件的卡扣设有容置所述卡接凸起的卡接开口，所述定位凸肋被接收于所述槽道内。
  4. 根据权利要求3所述的可拆卸的快速连接装置，其特征在于，所述卡接凸起具有朝向所述套接部件倾斜的表面和背离所述套接部件的端面，所述端面垂直于所述接头部段的容纳部的环形外壁，所述套接部件的卡扣设有与所述卡接凸起的倾斜的表面相适应的引导面以及与所述卡接凸起的端面相适应的止挡面。
  5. 根据权利要求3所述的可拆卸的快速连接装置，其特征在于，所述定位凸肋被设置为具有直角形径向截面，包括成直角布置的第一平面和第 二平面，所述第一平面和第二平面分别与相邻的卡扣接触。
  6. 根据权利要求3所述的可拆卸的快速连接装置，其特征在于，所述定位凸肋被设置为从环形外壁的端面沿所述套接部件的插入方向轴向延伸的肋条。
  7. 根据权利要求3所述的可拆卸的快速连接装置，其特征在于，所述卡接凸起邻近所述接头部段的容纳部的入口端布置或者被布置为与所述容纳部的入口端间隔一距离。
  8. 根据权利要求3至7中任一项所述的可拆卸的快速连接装置，其特征在于，所述套接部件的卡扣关于套接部件的中间轴线对称布置，至少包括与套接部件的设置有矩形开口的侧壁临近的两个卡扣，以及与设有矩形开口的侧壁相垂直的顶壁和底壁临近的另外两个卡扣。
  9. 根据权利要求8所述的可拆卸的快速连接装置，其特征在于，至少在关于套接部件的中间轴线对称布置的两个所述卡扣的悬臂梁上设有平台表面，所述平台表面垂直于套接部件的中间轴线设置。
  10. 根据权利要求1所述的可拆卸的快速连接装置，其特征在于，所述套接部件和所述接头部段之间设有密封组件，所述密封组件包括至少一个设在所述开口通道中的密封环。
  11. 根据权利要求10所述的可拆卸的快速连接装置，其特征在于，所述接头部段的开口通道具有阶梯形内壁，包括不同内径的至少第一内壁区段和第二内壁区段，所述第一内壁区段容纳所述密封组件，所述第一内壁区段和第二内壁区段之间形成与所述套接部件相接触的抵接表面。
  12. 根据权利要求11所述的可拆卸的快速连接装置，其特征在于，所述套接部件设有从其与接头部段相邻的壁面朝向接头部段轴向延伸出的抵压凸缘，所述抵压凸缘具有与所述接头部段的抵接表面相接触的第一抵压面，以及与所述密封组件相接触的第二抵压面。
  13. 根据权利要求12所述的可拆卸的快速连接装置，其特征在于，所述套接部件与接头部段相邻的壁面上的与抵压凸缘相邻近的区域形成有环形卡槽，以接收所述接头部段朝向所述套接部件的端面。
  14. 根据权利要求13所述的可拆卸的快速连接装置，其特征在于，所述密封组件包括两个密封环，以及设置在所述两个密封环之间的中间环。
  15. 根据权利要求13所述的可拆卸的快速连接装置，其特征在于，所述密封组件包括密封环和固定环，所述固定环的两端分别抵接所述套接部件和所述密封环。
  16. 根据权利要求15所述的可拆卸的快速连接装置，其特征在于，所述固定环设有与所述套接部件的与接头部段相邻的壁面相接触的环形壁，以及从所述环形壁径向倾斜延伸且对称布置的多个翼片，所述接头部段的开口通道的内壁上设有与所述多个翼片卡接的倾斜凹口。
  17. 根据权利要求15所述的可拆卸的快速连接装置，其特征在于，所述固定环与所述套接部件一体形成，从所述套接部件的与接头部段相邻的壁面朝向所述接头部段轴向延伸出以形成所述固定环。
PCT/CN2018/099085 2017-08-17 2018-08-07 可拆卸的快速连接装置 Ceased WO2019033952A1 (zh)

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