WO2020063018A1 - Structure de raccordement de tuyaux - Google Patents

Structure de raccordement de tuyaux Download PDF

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Publication number
WO2020063018A1
WO2020063018A1 PCT/CN2019/094947 CN2019094947W WO2020063018A1 WO 2020063018 A1 WO2020063018 A1 WO 2020063018A1 CN 2019094947 W CN2019094947 W CN 2019094947W WO 2020063018 A1 WO2020063018 A1 WO 2020063018A1
Authority
WO
WIPO (PCT)
Prior art keywords
tightening
sealing
wall
housing
pipe fitting
Prior art date
Application number
PCT/CN2019/094947
Other languages
English (en)
Chinese (zh)
Inventor
林细勇
李茜民
刁振彬
程佳佳
陈阿莉
曹慧剑
罗飞
张强
Original Assignee
日丰企业（佛山）有限公司
日丰企业集团有限公司
日丰科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日丰企业（佛山）有限公司, 日丰企业集团有限公司, 日丰科技有限公司 filed Critical 日丰企业（佛山）有限公司
Publication of WO2020063018A1 publication Critical patent/WO2020063018A1/fr

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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
    • F16L37/084—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
    • F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers

Definitions

  • the utility model relates to the technical field of pipe fitting disassembly, in particular to a pipe fitting connection structure.
  • the pipe joint adopts three types of quick-connecting structures: crimping type, nut card type and in-line type.
  • the crimping type quick-connecting structure requires special pressure pliers for installation, which is time-consuming and labor-intensive. If the installation is not in place, the sealing performance cannot be guaranteed; the nut card-type quick-connecting structure requires a wrench to tighten the nut for installation, which is more time-consuming and labor-intensive. After a period of use, the nut is also easy to loosen, and the sealing performance will be greatly affected.
  • the direct plug-in structure does not require special tools for installation, the structure is complex, production and assembly are difficult, the cost is high, and it is easy to loosen.
  • the pipe fitting connection structure has low cost, convenient assembly and disassembly, and does not require special disassembly tools, and has good sealing performance and anti-loosening performance.
  • a pipe fitting connection structure includes a connection body.
  • the connection body is provided in a tubular structure.
  • An outer wall of the connection body is provided with a first locking groove, a second locking groove, and a first locking portion.
  • the first locking portion is provided in the first locking groove.
  • the shell mounting seat, the shell mounting seat is provided in a tubular structure, the shell mounting seat is provided with a first mounting portion and a second mounting portion, and the first mounting portion is used to be installed in cooperation with the first card slot, and A sealing cavity is formed between the inner wall of the housing mounting seat and the groove wall of the second clamping groove;
  • the housing body, the housing body is provided in a tubular structure, the housing body is provided with a third mounting portion, and the third mounting portion is used for the second mounting portion Cooperate with the connection and form a tightening cavity between the inner wall of the housing body and the outer wall of the connection body;
  • the sealing body, the sealing body is arranged in a tubular structure and is set in the sealing cavity, and two ends of the sealing body are respectively provided with a sealing part and a seal.
  • the pressing part, the sealing part is arranged around the outer wall of the sealing body, and the sealing part and the sealing pressing part are arranged protruding from the outer wall of the sealing body.
  • the protruding height of the sealing pressing part is higher than the protruding height of the sealing part. It is able to enter the sealing cavity through the tightening cavity, and push the seal body to move in the sealing cavity, so that the sealing pressing portion presses against the first locking portion, and the sealing portion can press the inner wall of the tube to seal the tube; and tighten the component,
  • the tightening assembly includes a tightening ring provided in the tightening cavity.
  • the outer wall of the tightening ring is provided with a tightening mating surface.
  • the tightening mating surface is used to press-fit the inner wall of the housing body.
  • the inner wall of the tightening ring is also provided with
  • the tightening and pressing portion is arranged around the inner wall of the tightening ring, and the tightening and pressing portion is used to hold the outer wall of the pipe.
  • the radius of the second card slot is set progressively, and the radius of the second card slot corresponding to the end of the connection body is smaller than the radius of the second card slot corresponding to the middle of the connection body.
  • the housing mounting base is further provided with at least one peep hole, the peep hole penetrates into the inner cavity of the housing mounting base, and the peep hole and the first locking portion are arranged in a preset positional relationship.
  • the housing mounting base is further provided with a first engaging portion
  • the housing body is provided with a second engaging portion that cooperates with the first engaging portion
  • the first latching portion includes a first latching groove provided on the housing mounting seat
  • the second latching portion includes a latching fin provided on the housing body, and the latching fin faces the interior of the housing body.
  • the side is bent and used to be mated with the first snap-in groove; or the first snap-in portion includes a second snap-in slot provided in the housing mounting seat, and the second snap-in portion includes a protrusion protruding toward the inner side of the housing body.
  • the connecting portion and the convex connecting portion are used to be matched with the second locking groove; or the second locking portion includes a long technical slot provided in the housing body.
  • the housing mounting seat is further provided with a snap-in guide groove corresponding to the first snap-in groove, and the groove walls on both sides of the snap-in guide groove are provided in an “eight” shape, and are used for fastening the fins. Guide to the position of the first clamping slot.
  • the tightening assembly further includes a tightening claw ring provided in the tightening cavity.
  • the tightening claw ring includes a claw ring body and a holding claw provided on the claw ring body. It is arranged around the inside of the claw ring body at intervals.
  • the holding claw is provided on the claw ring body at an angle.
  • the tightening mating surface of the tightening ring is provided as a first inclined surface
  • the housing body is provided with a second inclined surface for press-fitting with the first inclined surface, the inclination angle of the first inclined surface and the first The inclined angles of the two inclined surfaces are different.
  • a middle part of the connecting body is further provided with a separation limit part, and both sides of the separation limit part are provided with a first card slot, a second card slot and a first card slot, a housing mounting seat and a housing
  • the main body, the sealing main body and the tightening assembly are provided with two, and are correspondingly arranged on both sides of the separation limit portion.
  • the pipe connection structure is further provided with a protective cover, which has a cylindrical structure and is made of a flexible material such as PE plastic.
  • the protective cover includes a top wall, an outer wall, and an inner wall.
  • a snap-on convex ring is provided at the end, and the snap-on convex ring can fix the position to prevent the protective cover from coming out.
  • FIG. 1 is an overall structural diagram of a pipe fitting connection structure in an embodiment
  • FIG. 2 is a schematic diagram of the overall structure of the connection body in the embodiment of FIG. 1;
  • FIG. 3 is a schematic diagram of the overall structure of the housing mounting base in the embodiment of FIG. 1;
  • FIG. 4 is a sectional view of the overall structure of the housing mounting seat in the embodiment of FIG. 3;
  • FIG. 5 is a schematic diagram of the overall structure of the housing body in the embodiment of FIG. 1;
  • FIG. 6 is a sectional view of the overall structure of the housing body in the embodiment of FIG. 5;
  • FIG. 7 is another schematic structural diagram of the housing body in the embodiment of FIG. 1; FIG.
  • FIG. 8 is a schematic diagram of the overall structure of the tightening claw ring in the embodiment of FIG. 1;
  • FIG. 9 is a schematic diagram of the overall structure of the tightening ring in the embodiment of FIG. 1;
  • FIG. 10 is a schematic diagram of the overall structure of the sealing body in the embodiment of FIG. 1;
  • FIG. 11 is a schematic diagram of pipe fitting installation of the pipe fitting connection structure in the embodiment.
  • FIG. 12 is a schematic view of disassembling a pipe fitting of a pipe fitting connection structure in an embodiment
  • FIG. 13 is an overall schematic diagram of a pipe fitting connection structure in another embodiment
  • FIG. 14 is an overall schematic view of a pipe fitting connection structure in another embodiment
  • 15 is an overall schematic diagram of a pipe fitting connection structure in another embodiment
  • FIG. 16 is a schematic diagram of the overall structure of the protective cover in the embodiment of FIGS. 14 to 15.
  • a connection structure of a pipe fitting 600 which includes a connection body 100.
  • the connection body 100 is provided in a tubular structure.
  • the outer wall of the connection body 100 is provided with a first card slot 110 and a second card.
  • the slot 120 and the first latching portion 130 are disposed between the first latching slot 110 and the second latching slot 120;
  • the housing mount 200, the housing mount 200 is provided in a tubular structure, and the housing mount 200
  • a first mounting portion 210 and a second mounting portion 220 are provided.
  • the first mounting portion 210 is configured to be installed in cooperation with the first card slot 110 and forms a space between an inner wall of the housing mounting seat 200 and a slot wall of the second card slot 120.
  • the sealing portion 410 has an outer wall surrounding the sealing body 400
  • the sealing portion 410 and the sealing pressing portion 420 are both protruded from the outer wall of the sealing body 400.
  • the protruding height of the sealing pressing portion 420 is higher than the protruding height of the sealing portion 410, and the pipe 600 can enter the seal through the tightening cavity. Cavity, and push the sealing body 400 to move inside the sealing cavity, so that the sealing pressing portion 420 presses against the first latching portion 130, and the sealing portion 410 can press the inner wall of the tube 600 to seal the tube 600; and tighten the assembly and retract
  • the tightening assembly includes a tightening ring 510 provided in the tightening cavity.
  • the outer wall of the tightening ring 510 is provided with a tightening mating surface 511.
  • the tightening mating surface 511 is used to press fit with the inner wall of the housing body 300.
  • the tightening ring 510 The inner wall is further provided with a tightening and pressing portion 512, which is arranged around the inner wall of the tightening ring 510.
  • the tightening and pressing portion 512 is used to hold the outer wall of the pipe 600.
  • the pipe fitting 600 When the pipe fitting 600 is inserted through the tightening cavity, the pipe fitting 600 pushes the sealing body 400 to move inside the sealing cavity. Since the sealing portion 410 is convexly arranged, the sealing portion 410 presses against the inner wall of the pipe fitting 600 and achieves a seal.
  • the connecting body 100 is provided in a tubular structure, and both sides can communicate with each other, so as to connect two pipe fittings 600 (Of course, when used as a plug, the inner cavity of the connecting body 100 is not (Through setting), the first card slot 110 is provided on the inner side, the second card slot 120 is provided on the end portion, and the first card slot 130 is provided between the first card slot 110 and the second card slot 120 Position, the first locking portion 130 is also provided with a mounting guide cone (the side of the guide cone near the second card slot 120 is a small diameter end), which is used for the housing mounting seat 200 to smoothly slide through the mounting guide cone during installation Into the first card slot 110, and then, due to the setting of the first card slot portion 130, the housing mounting seat 200 cannot be moved backward and out, that is, the slot wall of the first card slot 110 or the first card slot portion 130 catches the shell card holder
  • the first mounting portion 210 of 200 enables mounting and positioning between the housing mounting base 200 and the connection body 100.
  • the groove wall of the second clamping groove 120 is further provided with a sealing convex ring 160, and at least one sealing convex ring 160 is provided and is arranged around the outer wall of the connection body 100.
  • the sealing convex ring 160 further strengthens the sealing effect and plays a better sealing technical effect; at the same time, it can also prevent water pressure from causing the sealing body 400 to retreat. Problems, and further enhance the effectiveness of sealing technology.
  • connection body 100 is further provided with an inverted cone tooth 150.
  • the right end of the connecting body 100 is provided with an outer ring-shaped structure protruding outward.
  • the outer ring-shaped structure is provided with inverted cone teeth 150, which are used to increase the pipe fitting 600. The friction effect of the inner wall prevents the pipe fitting 600 from coming out.
  • connection body 100 may be made of a metal or plastic material.
  • the first mounting portion 210 is used to correspondingly connect with the connection body 100
  • the second mounting portion 220 is used to cooperatively connect with the third mounting portion 350 (such as a snap connection, a fitting connection, etc.)
  • the third mounting portion 350 such as a snap connection, a fitting connection, etc.
  • the radius of the second card slot 120 is set progressively, and the radius of the second card slot 120 corresponding to the end of the connection body 100 is smaller than that of the second card slot 120 corresponding to the middle of the connection body 100. Radius.
  • the groove wall section of the second clamping groove 120 is inclined, that is, the second clamping groove 120 is provided in a tapered structure as a whole, and the tapered small-diameter end is located on the side of the end of the connection body 100.
  • the radius of the connecting body 100 gradually increases, so that the contact between the sealing portion 410 of the sealing body 400 and the inner wall of the pipe 600 becomes closer and closer, thereby achieving better sealing.
  • the seal pressing portion 420 touches the right side wall of the first latching portion 130, it cannot advance further, that is, the pipe 600 is installed in place.
  • the housing mount 200 is further provided with at least one peep hole 230, the peep hole 230 penetrates into the inner cavity of the housing mount 200, and the peep hole 230 and the first locking portion 130 is set in a preset position relationship.
  • the housing mounting seat 200 is provided in a hollow cylindrical structure (ie, tubular).
  • a hollow cylindrical structure ie, tubular.
  • the inside of the small inner circular hole provided at the left end of the housing mounting seat 200 Circular hole wall 202, the diameter of the small inner circular hole is slightly smaller than the diameter of the corresponding position of the first locking portion 130 of the connection body 100 to prevent the housing mounting seat 200 from coming out after installation; the outside of the hole wall of the small inner circular hole
  • a sliding cone portion 201 is also provided at the position for easy assembly.
  • the housing mounting base 200 is further provided with a stepped surface 270.
  • the stepped surface 270 is provided around the left end of the housing mounting base 200.
  • a semi-circular stage 280 is also provided.
  • the housing body 300 is provided with a semi-circular hole 330 corresponding to the semi-circular stage 280 in a matching arrangement.
  • a peep hole 230 is provided in the semicircular stage 280.
  • a plurality of peep holes 230 are provided, and are arranged around the housing mounting seat 200 at intervals.
  • the housing mounting base 200 is further provided with a first engaging portion
  • the housing body 300 is provided with a second engaging portion that cooperates with the first engaging portion
  • the first snap-in portion and the second snap-in portion are convenient for the snap-fitting of the housing mounting seat 200 and the housing body 300, and those skilled in the art can make specific settings as needed to meet the actual connection needs, which will not be repeated here.
  • the first engaging portion includes a first engaging groove 240 provided in the housing mounting seat 200
  • the second engaging portion includes a engaging fin 310 provided in the housing body 300.
  • the engaging fins 310 are bent toward the inner side of the housing body 300 and are used for engaging and engaging with the first engaging groove 240.
  • the first snap-in groove 240 is used to cooperate with the snap-in fin 310. After the snap-in, the snap-in fin 310 is blocked by the groove wall of the first snap-in slot 240 and cannot be retracted, thereby ensuring that The housing body 300 cannot be retracted.
  • the snap-in fins 310 can be stamped directly at the corresponding positions of the housing body 300. As shown in FIGS. 5 and 6, three sides of the fins are detached from the housing body 300, and the other side is connected to the housing body 300 and snap-fitted. The fin 310 has a certain elasticity. After being assembled to a preset position, the snap-in fin 310 is snapped into the first snap-in slot 240 to complete the installation.
  • the first latching portion includes a second latching groove 260 provided in the housing mounting base 200, and the second latching portion includes a convex portion protruding toward the inside of the housing body 300. 320, the convex connection portion 320 is configured to be engaged with the second engaging groove 260.
  • the protruding portion 320 is another embodiment. At this time, the protruding portion 320 is mated with the second latching groove 260.
  • the second latching portion includes a process slot 360 provided in the housing body 300, and the manufacturing process is more convenient.
  • the housing body 300 may be made of stainless steel or other metal materials with good strength and elasticity.
  • the housing mounting base 200 is further provided with a snap-in guide groove 250 corresponding to the first snap-in slot 240, and the groove walls on both sides of the snap-in guide slot 250 are provided in an “eight” shape and used in combination.
  • the guiding fin 310 is guided to the position of the first locking groove 240.
  • the splay guide groove 250 is arranged in a figure-eight shape.
  • the stab fins 310 can be moved through the sipe-shaped guide groove 250 provided in a figure-eight shape.
  • An opening on one side of the engaging slot 240 is small. Therefore, when the engaging fin 310 moves further, if there is an offset, the figure-eight engaging guide slot 250 can correct the offset position of the engaging fin 310. And make it step into the correct position to move further, so that it can directly reach the first clamping slot 240 during further movement, and achieve accurate installation. Therefore, the latching guide grooves 250 on both sides of the groove walls arranged in a figure-eight shape also play a role of automatically adjusting the installation position of the housing body 300.
  • the end of the housing mounting seat 200 is also provided with an inner ring cone surface 290 to prevent the claw ring 520 from being tightened excessively and easily from being damaged by yielding when the pipe fitting 600 is installed.
  • the tightening assembly further includes a tightening claw ring 520 provided in the tightening cavity.
  • the tightening claw ring 520 includes a claw ring body 521 and a holding claw 522 provided on the claw ring body 521.
  • a plurality of claws 522 are provided, and are arranged around the inside of the claw ring body 521 at intervals.
  • the holding pawl 522 is inclinedly provided on the pawl body 521.
  • the tightening claw ring 520 is ring-shaped, and the diameters formed by the ends of the plurality of holding claws 522 are slightly smaller than the outer diameter of the pipe 600. In this way, when the pipe 600 is extended, the multiple holding claws 522 can hold the Outer wall to achieve better tightening technical effect.
  • the holding claw 522 is made of a metal material with better elasticity.
  • the tightening mating surface 511 of the tightening ring 510 is provided with a first inclined surface
  • the housing body 300 is provided with a second inclined surface for press-fitting with the first inclined surface.
  • the inclination angle of the first inclined surface and the inclination angle of the second inclined surface 340 are different, so that there is a certain gap between the tightening ring 510 and the housing body 300.
  • the inclination angle of the first inclined surface and the inclination angle of the second inclined surface 340 are the same; after the pipe fitting 600 is installed, if for some reason the pipe fitting 600 has a tendency to retreat (that is, come out) Since the inclination angle is the same between the first inclined surface and the second inclined surface 340, the first inclined surface and the second inclined surface are abutted, and the tightening ring 510 is axially displaced toward the mouth while contracting the pipe fittings radially. 600 to prevent the pipe 600 from coming out.
  • the left end of the tightening ring 510 is further provided with oblique teeth 513 so that the holding pawl 522 can be resisted when it is bent, so as to avoid bending and damaging the holding pawl 522.
  • the middle portion of the connection body 100 is further provided with a separation limiting portion 140, and both sides of the separation limiting portion 140 are provided with a first card slot 110 and a second card slot.
  • the 120 and the first clamping portion 130, the casing mounting seat 200, the casing body 300, the sealing body 400, and the tightening component are each provided on two sides corresponding to the two sides of the separation limiting portion 140.
  • the two sides of the separation limiting portion 140 are symmetrically arranged to achieve the technical effect of being able to connect the two pipe fittings 600 on the left and right sides.
  • connection structures for the pipe 600 that can meet the actual needs, such as three links and single links, which are not described again here.
  • the size of M is larger than the size of N, so that the pipe fitting 600 can be smoothly inserted and sealed.
  • K is slightly smaller than the outer diameter of the pipe fitting 600.
  • the tightening and pressing portion 512 has a certain holding force on the pipe fitting.
  • the tightening and pressing portion 512 is provided in an inverted tooth structure.
  • L is slightly larger than the outer diameter of the pipe 600 to facilitate the insertion of the pipe 600.
  • a preset distance H needs to be reserved between the right end surface of the tightening ring 510 and the inner wall of the right end of the housing body 300 to avoid axial displacement of the pipe fitting 600 and the tightening ring 510 to the housing body 300.
  • the pipe connection structure is further provided with a protective cover 700.
  • the protective cover 700 has a cylindrical structure and is made of a highly elastic material such as PE plastic; the protection
  • the cover includes a top wall 710, an outer side wall 720, and an inner side wall 730;
  • An end of the inner side wall 730 is provided with a locking convex ring 731. Since the size of O is smaller than the size of P, the end of the locking convex ring 731 can easily enter the tightening cavity. During the entry process, the thickness of the latching convex ring 731 is gradually compressed. After all of the latching convex ring 731 enters the tightening cavity, it returns to the original thickness. At this time, because the size of Q is larger than that of P Size, the snap-on convex ring 731 can be fixed in position to prevent the protective cover 700 from coming out.
  • the top wall 710 is provided with a circular groove 711, and also has a plurality of non-slip recesses 721.
  • the plurality of non-slip recesses 721 are arranged around the outer surface of the outer side wall 720, which mainly functions to increase friction and facilitate operation.
  • the protective cover 700 can effectively protect the pipe connection structure, prevent the components of the pipe connection structure from falling or the components at both ends being impacted and deformed during transportation, which will affect the installation, and also prevent impurities from falling into the sealing ring; use pipe connections In the structure, the protective cover 700 can be pulled out and installed.

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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

Structure de raccordement de tuyaux, comportant un corps (100) de raccordement, la paroi extérieure du corps de raccordement étant munie d'une première gorge (110) de serrage, d'une seconde gorge (120) de serrage, et d'une première partie (130) de serrage; une embase (200) de montage de boîtier, l'embase de montage de boîtier étant munie d'une première partie (210) de montage et d'une deuxième partie (220) de montage; un corps (300) de boîtier, le corps de boîtier étant muni d'une troisième partie (350) de montage; un corps (400) d'étanchéité disposé dans une cavité d'étanchéité, les deux extrémités du corps d'étanchéité étant respectivement munies d'une partie (410) d'étanchéité et d'une partie (420) d'appui d'étanchéité; et un ensemble de serrage, comportant une boucle (510) de serrage disposée dans une cavité de serrage, la paroi intérieure de la boucle de serrage étant munie d'une partie (512) d'appui de serrage, et la partie d'appui de serrage étant agencée comme une paroi intérieure entourant la boucle de serrage. Lorsque le tuyau est inséré à travers la cavité de serrage, le tuyau pousse le corps d'étanchéité à se déplacer dans la cavité d'étanchéité et la partie d'étanchéité appuie sur la paroi intérieure du tuyau pour réaliser l'étanchéité; le montage est réalisé au moyen de l'ajustement serré d'une face d'interaction de serrage avec la paroi intérieure du corps de boîtier, et la partie d'appui de serrage serre la paroi extérieure du tuyau pour empêcher le tuyau de se desserrer, ce qui permet d'obtenir un bon effet technique anti-desserrage sans nécessiter un outil de démontage spécial, et d'avoir une structure simple et une utilisation commode.
PCT/CN2019/094947 2018-09-29 2019-07-05 Structure de raccordement de tuyaux WO2020063018A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821602779.4 2018-09-29
CN201821602779.4U CN208997526U (zh) 2018-09-29 2018-09-29 管件连接结构

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WO2020063018A1 true WO2020063018A1 (fr) 2020-04-02

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Publication number Priority date Publication date Assignee Title
CN112384726B (zh) 2018-04-24 2022-08-12 诚信全球公司 流体连接器
CN115355381A (zh) 2018-08-14 2022-11-18 诚信全球公司 管状连接器
CN208997526U (zh) * 2018-09-29 2019-06-18 日丰科技有限公司 管件连接结构
US11781689B2 (en) 2020-03-13 2023-10-10 Reliance Worldwide Corporation Push-to-connect fitting providing an insertion indication
CN111365545A (zh) * 2020-03-31 2020-07-03 黄晓峰 一种柔性管的快插管件

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JPH0674381A (ja) * 1992-08-26 1994-03-15 Usui Internatl Ind Co Ltd 可撓ホース接続継手
CN104412022A (zh) * 2012-06-26 2015-03-11 福士汽车配套部件责任有限公司 用于管道的连接装置
EP2949984A1 (fr) * 2012-11-07 2015-12-02 Hita Technology of Plastic System S.L. Raccord rapide pour tubes
CN205065131U (zh) * 2015-10-21 2016-03-02 佛山市日丰企业有限公司 一种快接管件
EP3118505A1 (fr) * 2015-07-16 2017-01-18 REHAU AG + Co Systeme de rallonge de conduite pour conduites haute pression
CN106641534A (zh) * 2015-11-02 2017-05-10 上海元孚动力科技发展有限公司 快速接头
CN108194736A (zh) * 2018-02-01 2018-06-22 日丰企业（佛山）有限公司 管件接头组件
CN208997526U (zh) * 2018-09-29 2019-06-18 日丰科技有限公司 管件连接结构

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0674381A (ja) * 1992-08-26 1994-03-15 Usui Internatl Ind Co Ltd 可撓ホース接続継手
CN104412022A (zh) * 2012-06-26 2015-03-11 福士汽车配套部件责任有限公司 用于管道的连接装置
EP2949984A1 (fr) * 2012-11-07 2015-12-02 Hita Technology of Plastic System S.L. Raccord rapide pour tubes
EP3118505A1 (fr) * 2015-07-16 2017-01-18 REHAU AG + Co Systeme de rallonge de conduite pour conduites haute pression
CN205065131U (zh) * 2015-10-21 2016-03-02 佛山市日丰企业有限公司 一种快接管件
CN106641534A (zh) * 2015-11-02 2017-05-10 上海元孚动力科技发展有限公司 快速接头
CN108194736A (zh) * 2018-02-01 2018-06-22 日丰企业（佛山）有限公司 管件接头组件
CN208997526U (zh) * 2018-09-29 2019-06-18 日丰科技有限公司 管件连接结构

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