WO2023273126A1 - Raccord de tube de sécurité à raccordement automatique - Google Patents

Raccord de tube de sécurité à raccordement automatique Download PDF

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Publication number
WO2023273126A1
WO2023273126A1 PCT/CN2021/133227 CN2021133227W WO2023273126A1 WO 2023273126 A1 WO2023273126 A1 WO 2023273126A1 CN 2021133227 W CN2021133227 W CN 2021133227W WO 2023273126 A1 WO2023273126 A1 WO 2023273126A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
cavity
positioning
section
positioning rod
Prior art date
Application number
PCT/CN2021/133227
Other languages
English (en)
Chinese (zh)
Inventor
曹树林
徐�明
李旭阳
申太明
万雄伟
杨毅
徐梓净
韩宗俊
Original Assignee
重庆溯联塑胶股份有限公司
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 重庆溯联塑胶股份有限公司 filed Critical 重庆溯联塑胶股份有限公司
Publication of WO2023273126A1 publication Critical patent/WO2023273126A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
    • F16L37/142—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially
    • F16L37/144—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially the securing element being U-shaped

Definitions

  • the invention relates to the field of auto parts manufacturing, in particular to an automatically connected safety pipe joint.
  • the quick connection devices widely used in automotive fuel and new energy pipeline systems mainly use a single locking mechanism.
  • connection device with single locking mechanism is unlocked by external force (vibration, flying stones, etc.)
  • the function of prevention and error prevention is very easy to cause the problem of improper installation and affect driving safety.
  • the technical problem to be solved by the present invention is to provide an automatically connected safety pipe joint that is convenient for disassembly and assembly and inspection of the installation state.
  • a safety pipe joint for automatic connection comprising a connecting sleeve (1) inserted with a male plug, a locker is arranged inside the connecting sleeve (1), and the connecting sleeve (1) is arranged from top to bottom
  • a first cavity (11) and a second cavity (12) are provided in sequence, an insertion hole (21) is provided on one side of the first cavity (11), and the left and right sides are symmetrical on the other side
  • a notch groove is provided at the bottom of the first cavity (11)
  • a mounting hole (121) is provided on one side of the second cavity (12)
  • a mounting hole (121) is provided on the other side
  • a guide block (22) is provided at the position corresponding to the installation hole (121) in the second cavity (12), and a positioning protrusion is provided on the side corresponding to the relief hole (122) block (13);
  • the locking device includes a push plate (3), and the upper end of the push plate
  • Two stoppers (33) are arranged symmetrically on the two clips, and the two stoppers (33) extend into the limit holes (23) at the corresponding ends, and a second block is arranged between the two clips.
  • a limit block (41) and a second limit block (42) the lower end of the push plate (3) is provided with a first positioning rod (51) and a second positioning rod (52), the two clamping bars are Stretch into the first cavity (11), the stopper (33) can prevent the locker from falling off, the two positioning rods and the limit block both extend into the second cavity (12), and insert them into the male plug , the corresponding position on the limit block fits with the outer wall of the male plug, and the corresponding position on the two positioning rods engages and positions with the positioning protrusion (13) at the corresponding end.
  • the first positioning rod and the second positioning rod are inserted from the position of the mounting hole, and then the first and second limiting blocks are also inserted into the second cavity from the position of the mounting hole , the first clamping strip and the second clamping strip are inserted into the first cavity from the insertion hole, and the stopper on the clamping strip extends into the limit hole at the corresponding end to prevent the lock from falling off; after inserting the male plug, the male plug will The boss moves from top to bottom and squeezes the corresponding positions on the two positioning rods. The two positioning rods open accordingly.
  • the two positioning rods move back along the outside Move sideways, and make the corresponding position on the limit block fit with the corresponding position on the outer wall of the male plug and the corresponding position of the boss, and the corresponding positions on the two positioning rods are snapped and positioned with the positioning protrusions at the corresponding ends to realize automatic locking prevent and prevent mistakes; if the male plug is not installed in place, in one case, when the two positioning rods are in the open state compared with the initial position in the two limit holes, the locker is loose, and the other The situation is that the boss of the male plug has passed the position of the positioning rod, but the positioning rod is not locked in place.
  • the two positioning rods are opened outwards, that is, the male plug is loose.
  • the position of the limit hole is convenient for checking the installation status; when dismantling, open the two positioning rods directly from the position of the dismantling hole, so that the positioning rods leave the positioning protrusions, pull the boss position of the male plug out of the position of the positioning rods, and finally loosen
  • Two positioning rods, simple and compact structure, the whole disassembly process is simple and fast.
  • a first fixed block (441) and a second fixed block (442) are symmetrically arranged on the push plate (3) on the position between the two clamping strips on the left and right ), a horizontally extending first limiting block (41) is provided at the lower end of the first fixing block (441), and a horizontally extending second limiting block is provided at the lower end of the second fixing block (442).
  • the position block (42), the end faces of the extending ends of the two limit blocks are provided with a section of arc surface, and the two sections of the arc surface form a semi-arc shape; in the first limit block (41) and the lower end surface of the second limiting block (42) are provided with a section of extending section (55) protruding downward, and on each of the extending sections (55), there is a section corresponding to the extending direction of the limiting block arc surface section; reinforcing blocks (45) are provided between the fixed block and the limit block at the corresponding end.
  • the upper end surfaces of the two limiting blocks and the upper end surfaces of the two positioning rods are flush with each other.
  • the fixed block, the limit block and the extension section at the corresponding end are provided with upper and lower through grooves, and the grooves at both ends are symmetrically arranged and surrounded to form a gap structure;
  • a relief groove (14) is provided at the position corresponding to the notch structure at the bottom of the first cavity (11) and the second cavity (12), and the two relief grooves (14) are compatible with Gap structural connectivity.
  • both the first positioning rod (51) and the second positioning rod (52) extend horizontally from the lower end of the push plate (3), and each extending end of the positioning rod is provided with Bending section (53), each positioning rod is provided with a bump (54), and the upper end surface of each bump (54) is provided with a section of transition slope (541), and the bending section at the corresponding end (53), the protrusion (54) and the corresponding position of the positioning rod are surrounded to form a card slot; a connecting block is arranged in the second cavity (12), and two left and right symmetrically arranged on the connecting block a positioning protrusion (13), and the slot at the corresponding end is engaged with the positioning protrusion (13) for positioning.
  • each of the protrusions (54) includes a first straight section (541), connected at the highest end of the first straight section (541) There is a second straight section (542), and a circular arc section (543) is connected to the lowest end of the second straight section (542). The corresponding position of the wall is connected.
  • the invention inserts a locking device on the connecting sleeve, which not only protects the fixing of the male plug, but also realizes automatic locking of the male plug, and at the same time facilitates observation of the installation state and avoids the occurrence of installation falling off. Simple, easy to assemble and disassemble.
  • Figure 1 is an exploded view of the installation of the present invention.
  • Fig. 2 is a schematic structural diagram of the first cavity.
  • Fig. 3 is a schematic structural diagram of the second cavity.
  • Fig. 4 is a schematic structural diagram of the locker.
  • Fig. 5 is a bottom view of Fig. 4 .
  • FIG. 6 is a top view of FIG. 4 .
  • Fig. 7 is a sectional view taken along line A-A in Fig. 6 .
  • Fig. 8 is a schematic diagram of the installation process of the present invention.
  • Fig. 9 is a schematic diagram of the installation structure of the present invention.
  • FIG. 10 is a bottom view of FIG. 9 .
  • the present invention includes a connecting sleeve (1) inserted with a male plug.
  • a locking device is provided inside the connection sleeve (1), and a first cavity (11) and a second cavity (12) are sequentially provided in the connection sleeve (1) from top to bottom.
  • One side of the cavity (11) is provided with an insertion hole (21), and the left and right sides of the middle part of the first cavity (11) are symmetrically provided with two limiting holes (23).
  • the bottom of the cavity is provided with a notch groove,
  • One side of the second cavity (12) is provided with an installation hole (121), and the other side is provided with a relief hole (122).
  • the position corresponding to the installation hole (121) in the second cavity (12) A guide block (22) is provided, and a positioning bump (13) is provided on one side corresponding to the relief hole (122);
  • the locking device includes a push plate (3), on the upper end of the push plate (3) there are horizontally protruding first clamping strips (31) and second clamping strips (32).
  • Two stoppers (33) are arranged symmetrically on the bar, and the two stoppers (33) extend into the limit holes (23) at the corresponding ends to prevent the locker from falling off.
  • a first fixed block (441) and a second fixed block (442) are symmetrically arranged on the push plate (3) corresponding to the position between the two clamping strips on the left and right, and the first fixed block
  • the lower end of (441) is provided with a horizontally protruding first limit block (41)
  • the lower end of the second fixed block (442) is provided with a horizontally protruding second limit block (42).
  • the end faces of the protruding ends of the limit blocks are provided with a section of arc surface, and the two sections of arc surfaces form a semi-arc shape; in the first limit block (41) and the second limit block (42)
  • the lower end surface of each is provided with a section of extended section (55) protruding downward, and on each of the extended sections (55), an arc section is provided corresponding to the extending direction of the limit block; the fixed section at the corresponding end
  • a reinforcing block (45) is arranged between the block and the limiting block.
  • the upper end surfaces of the two limiting blocks are flush with the upper end surfaces of the two positioning rods.
  • the fixed block, the limit block and the extension section at the corresponding end are provided with upper and lower through grooves, and the grooves at both ends are symmetrically arranged and surrounded to form a gap structure; in the first cavity (11) and the second cavity A relief groove (14) is provided at the bottom of the chamber (12) corresponding to the notch structure, and the two relief grooves (14) communicate with the notch structure.
  • the lower end of the push plate (3) is provided with a first positioning rod (51) and a second positioning rod (52) protruding horizontally, each extending end of the positioning rod is provided with a bending section (53), Each positioning rod is provided with a protrusion, and the upper end surface of each protrusion is provided with a section of transition slope (541), and the corresponding position of the bending section (53) at the corresponding end, the protrusion and the positioning rod is enclosed A card slot is formed; a connection block is provided in the second cavity (12), and two positioning protrusions (13) are arranged symmetrically on the left and right on the connection block, and the card slot at the corresponding end and the positioning protrusion (13) Clamping and positioning.
  • each of the protrusions includes a first straight section (542), and a second straight section (543) is connected to the highest end of the first straight section (542).
  • the lowest end of the straight section (543) is connected with an arc section (544), and the lowest end of the arc section (544) is connected to the corresponding position on the inner wall of the positioning rod at the corresponding end.
  • the using method of the present invention is as follows:
  • the boss on the male plug moves from top to bottom and simultaneously squeezes the transition slope 541 on the two bumps, the first positioning rod 51 and the second positioning rod 52 move along the trend and form an open shape, and the male plug
  • the second oblique straight section 543 of the outer side wall of the protrusion is attached to the outer side wall of the male plug, and Move along the outer surface of the male plug, and make the slot on the corresponding end of the positioning rod engage with the positioning protrusion (13) and fix it.
  • the arc segment 544 fits the outer wall of the male plug.
  • the first limit block ( 41) and the second limit block 42 move to the top of the boss, and the arc surface of the extending end of the two limit blocks fits with the corresponding position of the outer wall of the male plug above the boss, and the arc surface on the extension section 55 The section fits with the outer wall of the boss to realize the function of automatic locking and error prevention.
  • the male plug is not installed in place, one case is that when the two positioning rods are in the open state compared with the initial position in the two limit holes, the locker is loose, and the other case is that the protrusion of the male plug
  • the platform has passed the position of the positioning rod, but the positioning rod and the positioning bump 13 are not locked in place. From the position of the disassembly hole 122 of the connecting sleeve 1, it can be seen that the two positioning rods are opened outward, that is, the male plug is loose.
  • the positions of the two limit holes 23 are also convenient for checking the installation status, so as to prevent the lock from loosening and slipping so as to change parts in time.
  • the fixed block, the limit block and the extension section at the corresponding end are provided with upper and lower through grooves,
  • the grooves at both ends are arranged symmetrically and form a notch structure.
  • the setting of the first inclined straight section 542 assists the clamping and positioning of the slot on the positioning rod on the one hand, and on the other hand reduces the contact area in the form of an inclined plane, so as to reduce the disassembly resistance.
  • the locking device is integrally injection-molded from nylon 66 material, which is the prior art, and will not be repeated here.

Landscapes

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

Abstract

La présente invention concerne un raccord de tuyau de sécurité à raccordement automatique, comprenant un manchon de raccordement (1) dans lequel est inséré un bouchon mâle. Le manchon de raccordement (1) est pourvu en son sein d'un dispositif de verrouillage. Le dispositif de verrouillage comprend une plaque de poussée (3), l'extrémité supérieure de la plaque de poussée (3) étant pourvue d'une première barre de serrage (31) et d'une seconde barre de serrage (32) ; un premier bloc de limitation (41) et un second bloc de limitation (42) sont disposés entre les deux barres de serrage ; et l'extrémité inférieure de la plaque de poussée (3) est pourvue d'une première tige de positionnement (51) et d'une seconde tige de positionnement (52). Selon le raccord de tube de sécurité, le dispositif de verrouillage est inséré dans le manchon de raccordement, de telle sorte que non seulement la fixation du bouchon mâle est protégée, mais le bouchon mâle peut également être automatiquement verrouillé ; de plus, l'observation d'un état de montage est également facilitée, et la survenue d'un détachement pendant le montage est évitée. Le raccord de tuyau de sécurité présente une structure simple, et est pratique et rapide à monter et à retirer.
PCT/CN2021/133227 2021-07-02 2021-11-25 Raccord de tube de sécurité à raccordement automatique WO2023273126A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110753440.4A CN113404958A (zh) 2021-07-02 2021-07-02 自动连接的安全管接头
CN202110753440.4 2021-07-02

Publications (1)

Publication Number Publication Date
WO2023273126A1 true WO2023273126A1 (fr) 2023-01-05

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Application Number Title Priority Date Filing Date
PCT/CN2021/133227 WO2023273126A1 (fr) 2021-07-02 2021-11-25 Raccord de tube de sécurité à raccordement automatique

Country Status (2)

Country Link
CN (1) CN113404958A (fr)
WO (1) WO2023273126A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113404958A (zh) * 2021-07-02 2021-09-17 重庆溯联塑胶股份有限公司 自动连接的安全管接头
CN114110279B (zh) * 2021-11-05 2023-05-16 重庆溯联塑胶股份有限公司 一种新能源汽车冷却管路连接装置校验卡套机构

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JP2010097765A (ja) * 2008-10-15 2010-04-30 Sumitomo Wiring Syst Ltd コネクタ
CA2832065A1 (fr) * 2012-11-02 2014-05-02 Hubbell Incorporated Prise femelle ou connecteur commute a l'interne avec verrouillage de securite a verrouillage de fiche
CN104295837A (zh) * 2014-11-06 2015-01-21 重庆溯联汽车零部件有限公司 一种用于汽车管路系统带防错、确认功能的快换接头
CN108591654A (zh) * 2018-03-09 2018-09-28 重庆溯联汽车零部件有限公司 冷却管路快速接头
CN212251621U (zh) * 2020-07-15 2020-12-29 重庆溯联塑胶股份有限公司 一种具有校验功能双锁止连接装置
CN213065029U (zh) * 2020-07-15 2021-04-27 重庆溯联塑胶股份有限公司 一种具有校验功能的自动双锁止连接装置
CN113404958A (zh) * 2021-07-02 2021-09-17 重庆溯联塑胶股份有限公司 自动连接的安全管接头

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DE102009019395A1 (de) * 2009-04-29 2010-11-11 A. Raymond Et Cie Fluidleitungskupplung
DE102016109051A1 (de) * 2015-10-21 2017-04-27 Voss Automotive Gmbh Steckverbinder für Medienleitungen
CN111795246A (zh) * 2020-07-15 2020-10-20 重庆溯联塑胶股份有限公司 具有校验功能双锁止连接装置
CN213452284U (zh) * 2020-09-17 2021-06-15 重庆溯联塑胶股份有限公司 一种用于冷却管路系统的连接装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010097765A (ja) * 2008-10-15 2010-04-30 Sumitomo Wiring Syst Ltd コネクタ
CA2832065A1 (fr) * 2012-11-02 2014-05-02 Hubbell Incorporated Prise femelle ou connecteur commute a l'interne avec verrouillage de securite a verrouillage de fiche
CN104295837A (zh) * 2014-11-06 2015-01-21 重庆溯联汽车零部件有限公司 一种用于汽车管路系统带防错、确认功能的快换接头
CN108591654A (zh) * 2018-03-09 2018-09-28 重庆溯联汽车零部件有限公司 冷却管路快速接头
CN212251621U (zh) * 2020-07-15 2020-12-29 重庆溯联塑胶股份有限公司 一种具有校验功能双锁止连接装置
CN213065029U (zh) * 2020-07-15 2021-04-27 重庆溯联塑胶股份有限公司 一种具有校验功能的自动双锁止连接装置
CN113404958A (zh) * 2021-07-02 2021-09-17 重庆溯联塑胶股份有限公司 自动连接的安全管接头

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