CN106151738B - A kind of fastener of removable quick connector - Google Patents

A kind of fastener of removable quick connector Download PDF

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Publication number
CN106151738B
CN106151738B CN201610579680.6A CN201610579680A CN106151738B CN 106151738 B CN106151738 B CN 106151738B CN 201610579680 A CN201610579680 A CN 201610579680A CN 106151738 B CN106151738 B CN 106151738B
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CN
China
Prior art keywords
fastener
arc
inclined
plane
equipped
Prior art date
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CN201610579680.6A
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Chinese (zh)
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CN106151738A (en
Inventor
应富强
黄松檀
胡冲
刘红良
刘娟
李陈
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浙江工业大学
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Priority to CN201610579680.6A priority Critical patent/CN106151738B/en
Publication of CN106151738A publication Critical patent/CN106151738A/en
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Publication of CN106151738B publication Critical patent/CN106151738B/en

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Abstract

A kind of fastener of removable quick connector, the fastener is arc, the fastener includes arc ontology, engaging head, fan-shaped lower protrusion and arc-shaped slide rail, one end of the arc ontology is equipped with the engaging head, the middle part of the concave surface of the arc ontology is equipped with the fan-shaped lower protrusion, the fan-shaped lower protrusion is contradicted on the clamping portion of pin end, and the front and rear sides of the arc ontology are equipped with the arc-shaped slide rail, and the arc-shaped slide rail merges conflict with the cambered way matching on female connector;There are two being respectively the first fastener and the second fastener, first fastener and the second fastener are centrosymmetrically arranged and are respectively engaged in the card interface of female connector for the fastener setting.The present invention provides a kind of fastener of removable quick connector not easily to fall off, simple in structure, easy to use.

Description

A kind of fastener of removable quick connector

Technical field

The invention belongs to technical field of pipeline connection, more particularly, to a kind of fastener of removable quick connector.

Background technology

Pipeline be it is a kind of be used for conveying the devices of the fluids such as gas, liquid, usual pipeline be by pipe, pipe connection, Valve etc. is formed by connecting;In the prior art, in order to facilitate the arrangement of pipe and installation, the mode of generally use pipe joint has been come Into, the connection mode of existing connector has threaded connection, welding and card pressure etc., in practical operation installation, there are problems that, Such as the problems such as connector manufacture, installation inconvenience load and unload difficulty, and installation speed is slow, in order to solve this problem, quick coupling should It transports and gives birth to.

In current existing connector, most of is all to confirm pin end card jail in female connector by sound, in this way In the big assembly environment of noise, clickly sound can not be heard, worker is in the case where long-time is worked, and fatigue causes to neglect unavoidably, so as to There is pin end not block jail to female connector, cause the accident.Most of existing detachable connector parts are more, assembly process It is more, assemble sequence can be generated unavoidably and is overturned, is delayed assembly time, so as to bring certain trouble to production.

Invention content

In order to overcome the shortcomings of that existing quick coupling technology not to be inserted into position there are pin end, the present invention provides one kind and is not easy It comes off, is simple in structure, the fastener of removable quick connector easy to use.

The technical solution adopted by the present invention to solve the technical problems is:

A kind of fastener of removable quick connector, the fastener are arc, and the fastener includes arc ontology, card Syncephalon portion, fan-shaped lower protrusion and arc-shaped slide rail, one end of the arc ontology are equipped with the engaging head, the arc ontology The middle part of concave surface is equipped with the fan-shaped lower protrusion, and the fan-shaped lower protrusion is contradicted on the clamping portion of pin end, the arc The front and rear sides of ontology are equipped with the arc-shaped slide rail, and the arc-shaped slide rail merges conflict with the cambered way matching on female connector; Fastener setting is there are two being respectively the first fastener and the second fastener, in first fastener and the second fastener The heart is arranged symmetrically and is respectively engaged in the card interface of female connector.

Further, the fastener further includes arch protrusion and empennage, and the arc-shaped slide rail is in one far from engaging head End is equipped with the empennage, and the upper convex surface of the arc-shaped slide rail is equipped with the arch protrusion, the arch protrusion and the empennage It is integrally formed.

Further, the engaging head includes the first inclined-plane, the first fillet, the second inclined-plane, third inclined-plane and the second circle Angle, the lower end on first inclined-plane on the engaging head are connect by the first fillet with the lower end on the second inclined-plane, second inclined-plane Upper end connect by the second fillet with the upper end on third inclined-plane, first inclined-plane, the first fillet, the second inclined-plane, second circle Angle forms V-groove.

Further, the arc ontology is being equipped with rectangular preiection on the top surface of the one end on engaging head.

The present invention main advantageous effect be:So that pin end and female connector are not easily to fall off, simple in structure, easy to use.

Description of the drawings

Fig. 1 is the structure diagram of fastener

Fig. 2 is a kind of explosive view of removable quick connector.

Fig. 3 is the structure diagram of female connector.

Fig. 4 is the sectional view of the card interface of Fig. 3.

Fig. 5 is sectional side elevation when pin end is connect with female connector.

Fig. 6 is cross-sectional views of the Fig. 5 at clamping portion.

Fig. 7 is the internal structure schematic diagram of Fig. 5.

Fig. 8 is empennage oblique Inner contract drawings when taking out fastener.

Fig. 9 is the schematic diagram for taking out fastener straight up.

Specific embodiment

The invention will be further described below in conjunction with the accompanying drawings.

With reference to Fig. 1~Fig. 9, a kind of fastener of removable quick connector, the fastener 2 is arc, the fastener 2 The card is equipped with including arc ontology, engaging head 21, fan-shaped lower protrusion 23 and arc-shaped slide rail 22, one end of the arc ontology Syncephalon portion, the middle part of the concave surface of the arc ontology are equipped with the fan-shaped lower protrusion 23, the front and rear sides of the arc ontology Equipped with the arc-shaped slide rail 22, the fan-shaped lower protrusion 23 is contradicted on the clamping portion of pin end 3 33, the arc-shaped slide rail 22 with Cambered way 122 on female connector 1, which matches to merge, to be contradicted;There are two be respectively the first fastener and for the fastener 2 setting Two fasteners, first fastener and the second fastener are centrosymmetrically arranged and are respectively engaged with the card interface 12 of female connector 1 It is interior.

Further, the fastener 2 further includes arch protrusion 24 and empennage 25, and the arc-shaped slide rail 22 is far from engaging head The one end in portion 21 is equipped with the empennage 25, and the upper convex surface of the arc-shaped slide rail 22 is equipped with the arch protrusion 24, the arch Protrusion 24 is integrally formed with the empennage 25.

Further, it is oblique to include the first inclined-plane 211, the first fillet 212, the second inclined-plane 213, third for the engaging head 21 215 and second fillet 214 of face, the lower end on first inclined-plane 211 on the engaging head 21 pass through the first fillet 212 and the second inclined-plane 213 lower end connection, the upper end on second inclined-plane 213 are connect by the second fillet 214 with the upper end on third inclined-plane 215, institute It states the first inclined-plane 211, the first fillet 212, the second inclined-plane 213, the second fillet 214 and forms V-groove.

Further, the arc ontology is being equipped with rectangular preiection 26 on the top surface of the one end on engaging head 21.

The quick connector includes female connector 1, fastener 2 and pin end 3, and the pin end 3 is connected by the fastener 2 It is connected on the female connector 1;

The pin end 3 is hollow structure, and the pin end 3 includes public connecting tube 31, the first hose transition 35, first 32 and second annular protrusion 34 of annular protrusion, the front end of the public affairs connecting tube 31 is equipped with first hose transition 35, described Second annular protrusion 34 is arranged on the middle front part of the public connecting tube 31, and described first annular raised 32 are located at the second annular protrusion 34 rear side, described first annular raised 32 and second be clamping portion 33 between annular protrusion 34;Second annular protrusion 34 Outer diameter be more than first annular raised 32 outer diameter;

The female connector 1 is hollow structure, and the female connector 1 includes hatch frame, 13 and second hose of female connecting tube connects Socket part 14, the front end of mother's connecting tube 13 are equipped with the hatch frame, and the rear end of mother's connecting tube 13 is equipped with the second hose Connecting portion 14, the hatch frame are axially arranged with the pipe insert port 11 of perforation, the both sides up and down point of the hatch frame before and after Not She You card interface 12, two card interfaces are centrosymmetrically arranged, and the card interface 12 is connected with the pipe insert port 11;The card Interface 12 is arc, and the left and right directions side of the card interface 12 is equipped with snap-in groove, and front and rear sides are divided in the card interface 12 It She You not cambered way 122;

The engaging head 21 is connected in the snap-in groove 121, and the second annular protrusion 34 of the pin end 3 is located at The front side of the hatch frame is simultaneously bonded with hatch frame, first annular raised 32 leading flank and the fan-shaped lower protrusion 23 trailing flank fitting.

The card interface 12 is respectively equipped with a cover plate 123 on former and later two side walls of the opposite side of snap-in groove 121, The cover plate 123 is equipped with the notch 124 passed through convenient for the empennage 25, and two cover plates are arranged symmetrically;

The snap-in groove 121 includes the first inclined-plane 1211, the second inclined-plane 1213, knuckle 1212 and third inclined-plane 1214, the lower end that the lower end on the first inclined-plane 1211 of the snap-in groove 121 passes through 1212 and second inclined-plane 1213 of knuckle Connection, the upper end on second inclined-plane 1213 are connect with the upper end on the third inclined-plane 1214, first inclined-plane 1211, transition 1212 and second inclined-plane 1213 of fillet forms V-type protrusion, and second inclined-plane 1213 forms reverse V-shaped with the third inclined-plane 1214 Slot;

First inclined-plane 1211 of the snap-in groove 121 is bonded with first inclined-plane 211 on the engaging head 21, the card The knuckle 1212 for detaining groove 121 is bonded with first fillet 212 for engaging head 21, and the of the snap-in groove 121 The second inclined-plane 213, the third inclined-plane 215 of two inclined-planes 1213, third inclined-plane 1214 respectively with the engaging head 21 are bonded.

Safety collar 133, inner shield ring 132, exterior seal ring and inner seal ring are additionally provided in mother's connecting tube 13, the public affairs are even The rear end of take over 31 sequentially passes through safety collar 133, exterior seal ring, inner shield ring 132 and inner seal ring, the safety collar from front to back 133 leading flank is bonded with the trailing flank of first annular projection 32.

Annular anti-skid bulge is equipped on first hose transition, 35 and second hose transition 15.

It is shown as shown in Figure 1, Figure 3 and Figure 4, there is the pipe insert port 11 for being inserted into pin end 3 on hatch frame;It is provided on female connector Two card interfaces 12 being centrosymmetrically arranged, for placing fastener 2;Card interface 12 is disposed with snap-in groove 121, snap-in groove 121 are used for the engaging head 21 of fixing card fastener 2, and the first inclined-plane 211 of snap-in groove 121 is used for the engaging for coordinating fastener 2 The snap-in groove 121, the first inclined-plane 211 and the vertical direction, that is, vertical line of the snap-in groove 121 are slipped into head 21 Angle is 15 °, and knuckle 1212 is easy for that the fillet part of the fastener 2 is coordinated to slip into, 1212 radius of knuckle For 0.2mm, the second inclined-plane 1213 of snap-in groove 121 is used to block the engaging head 21 of the fastener 2, snap-in groove 121 The angle on the second inclined-plane 1213 and vertical direction, that is, vertical line be 45 °, the third inclined-plane 1214 of snap-in groove 121 is for fixing The engaging head 21 of corresponding fastener 2, the third inclined-plane 1214 and the angle of vertical direction, that is, vertical line of snap-in groove 121 are 30°;Cambered way 122 slides for the arc-shaped slide rail 22 of the fastener 2 and carries out clamping and unlocking motion;It is slided in the arc There is the cover plate 123 that two panels is arranged symmetrically in the tail portion in road 122, for wrapping the empennage 25 of the fastener 2, in the cover plate 123 head is equipped with notch 124, is detached when being dismantled convenient for the empennage 25 of the fastener 2 from the card interface 12.

As shown in Figure 2 and Figure 5, O-ring seal 131, interior gear are equipped on 13 inner wall of female connecting tube on female connector 1 Circle 132, safety collar 133, there are two the 0 type sealing rings, respectively interior exterior seal ring, plays two way seal, described interior close Seal prevents liquid from flowing out, and the exterior seal ring prevents external contaminants from entering;Cooperation is set between inner seal ring and exterior seal ring Inner shield ring 132 is equipped with, the inner shield ring 132 plays buffer action, for preventing temperature raising from causing mutually to stick between sealing ring;Institute It states safety collar 133 and plays two, first, fixed seal ring prevents sealing ring from moving, second is that fastener 2 is to the first of pin end 3 Annular projection 32 plays clamping action, plays axial restraint to the pin end part connected into the female connector 1 and prevents described 3 axial float of pin end;The tail portion of the female connector 1 is the second hose transition 14, is bitten by annular anti-skid bulge thereon Corresponding hose inner wall, so as to fulfill connection.

As shown in Figure 1, the engaging head 21 includes the first inclined-plane 211, the first fillet 212, the second inclined-plane 213, second Fillet 214, third inclined-plane 215, first inclined-plane 211 on the engaging head 21 are used to coordinate the first of the snap-in groove 121 Inclined-plane 1211 is simultaneously withstood, and the angle with vertical direction, that is, vertical line is 15 °;First fillet 212 on the engaging head 21 is used for With the knuckle 1212 for merging the support snap-in groove 121, radius of corner 0.2mm;The of the engaging head 21 Two inclined-planes 213 are used to be caught in the second inclined-plane 1213 of the snap-in groove 121, and gradient is 45 °;The of the engaging head 21 Two fillets 214 slip into the snap-in groove 121, radius of corner 0.2mm for convenient card syncephalon portion 21;The engaging head 21 third inclined-plane 215 is used for the third inclined-plane 215 for coordinating the clamping part 21, and gradient is 30 °;The engaging head 21 is embedding Enter the snap-in groove 121 of the card interface 12, circumferential and axial fixed function is played to the fastener 2 in this way;The arc Shape sliding rail 22 is convenient for sliding on the cambered way 122;The fan-shaped lower protrusion 23 is used to coordinate described in the safety clamping First annular raised the 32 of pin end 3, are placed in first annular raised 32 front side;The arch protrusion 24 is used for the buckle Part 2 is detached from card interface 12, and as itself tail portion Inner contractings drive the oblique Inner of the empennage 25 to contract, smoothly makes fastener 2 de- in this way From card interface 12;The empennage 25 is gradually reduced from head to tail portion thickness, this is convenient for 25 oblique contract of empennage, and with extensive Restore the elasticity of shape.

As shown in Figure 5 and Figure 6, the clamping portion 33 on pin end is chimeric convenient for protrusion 23 under the sector of the fastener 2, from And safety collar 133 is coordinated to be clamped first annular projection 32, the final pin end 3 and female connector for realizing quick connector 1 connection;Second annular projection 34 is used to be bonded the outer wall of the female connector 1, and plays the role of positioning;First hose Connecting portion bites corresponding hose inner wall by annular anti-skid bulge thereon, so as to fulfill connection.When the second of the pin end 3 Annular protrusion 34 touches the front end face of the female connector 1, and corresponding first annular raised 32 rear end face fits to the peace The front end face of loopful 133, such assembly crewman see that the pin end 3 has been inserted into rigging position, are put in the card interface 12 Enter the fastener 2, the rear end face of protrusion 23 fits to the first annular convex of the pin end 3 under the sector of the fastener 2 32 front end face is played, in this way, the pin end 3 is inserted into the female connector part card jail in the inside of the female connector, realization Connection, the pin end first annular raised 32 by before and after protrusion 23 under the sector of the fastener 2 and the safety collar 133 It clamps, being inserted into the female connector part to the pin end carries out axial restraint, prevents its axial float.

As shown in Figure 7, Figure 8 and Figure 9, the fastener 2 is different relative to 23 thickness of the fan-shaped lower protrusion, thickness difference portion It is exactly the arc-shaped slide rail 22 slided on the cambered way 122 for the fastener 2 to divide, thus similar material power Simply supported beam in, by apply concentrated force make beam generate amount of deflection it is recessed, similarly, the cambered way 122 of the card interface 12 is to institute It states fastener to play a supportive role, the both ends support base of similar simply supported beam, in this way, pressing the square of the fastener 2 by thumb Shape protrusion has its own centre in elastic range recessed, so as to which the engaging head 21 for making the fastener 2 moves down, is detached from Snap-in groove 121 on the female connector, and utilize friction so that the fastener 2 is retreated along the cambered way 122, The snap-in groove 121 is exited on the engaging head 21 of fastener 2 described in this way.By two fingers to the arch of the fastener 2 The tail portion of protrusion 24 applies power mutually inwards, the tail portion of the arch protrusion 24 can be made inwardly tiltedly to contract in this way, while drive institute The inside tiltedly contracting of empennage 25 is stated, so as to which the empennage 25 be made then smoothly to exert a force upwards from 123 times removals of cover plate, make buckle Part 2 is detached from the female connector 1 of the quick connector, completes dismounting.

The installation process of removable quick connector is:Sealing ring, inner shield ring 132 and safety collar 133 are put into mother and connect by first choice In first 1, the public connecting tube 31 of pin end 3 is then sequentially passed through into safety collar 133, sealing ring and inner shield ring 132, on pin end 3 First annular raised 32 be bonded with safety collar 133, then by two fasteners 2 respectively from two card interfaces on female connector 1 It is put into, protrusion 23 under the sector of fastener 2 is contradicted on the clamping portion of pin end 3 33, so as to lock pin end 3 in female connector On 1;Empennage 25 is passed through the notch 124 on cover plate 123, then by fastener 2 by wherein fastener 2 first when installation Engaging head 21 be connected in snap-in groove 121, that is, complete fastener 2 installation.

Present invention can apply to vehicle fuel pipeline, male connecting tube 31 and female connecting tube 13 can be durable metal tubes End, such as the metal tube for fuel conduit.However, quick connector can also use rigid plastic material or other common notes Mold materials is made, to be connect in the usual way with hose line or pipeline.

Claims (3)

1. a kind of fastener of removable quick connector, it is characterised in that:The fastener is arc, and the fastener includes arc Shape ontology, engaging head, fan-shaped lower protrusion and arc-shaped slide rail, one end of the arc ontology is equipped with the engaging head, described The middle part of the concave surface of arc ontology is equipped with the fan-shaped lower protrusion, and the fan-shaped lower protrusion is contradicted in the clamping portion of pin end On, the front and rear sides of the arc ontology are equipped with the arc-shaped slide rail, the arc-shaped slide rail and the cambered way phase on female connector It is contradicted with merging;There are two fastener settings, respectively the first fastener and the second fastener, first fastener with Second fastener is centrosymmetrically arranged and is respectively engaged in the card interface of female connector;
The fastener further includes arch protrusion and empennage, and the arc-shaped slide rail is equipped with the tail in one end far from engaging head The wing, the upper convex surface of the arc-shaped slide rail are equipped with the arch protrusion, and the arch protrusion is integrally formed with the empennage.
2. a kind of fastener of removable quick connector as described in claim 1, it is characterised in that:The engaging head includes First inclined-plane, the first fillet, the second inclined-plane, third inclined-plane and the second fillet, the lower end on first inclined-plane on the engaging head lead to The lower end that the first fillet is crossed with the second inclined-plane is connect, and the upper end on second inclined-plane passes through the upper end of the second fillet and third inclined-plane Connection, first inclined-plane, the first fillet, the second inclined-plane, the second fillet form V-groove.
3. a kind of fastener of removable quick connector as claimed in claim 1 or 2, it is characterised in that:The arc ontology Rectangular preiection is being equipped on the top surface of the one end on engaging head.
CN201610579680.6A 2016-07-19 2016-07-19 A kind of fastener of removable quick connector CN106151738B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610579680.6A CN106151738B (en) 2016-07-19 2016-07-19 A kind of fastener of removable quick connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610579680.6A CN106151738B (en) 2016-07-19 2016-07-19 A kind of fastener of removable quick connector

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CN106151738A CN106151738A (en) 2016-11-23
CN106151738B true CN106151738B (en) 2018-07-03

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108730163A (en) * 2018-05-31 2018-11-02 湖州知谷汽车零部件有限公司 The gas nozzle connector of quick assembling

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Publication number Priority date Publication date Assignee Title
CN1470796A (en) * 2002-05-07 2004-01-28 吴承根 Air-feeding hose connecting member
CN100460743C (en) * 2005-04-04 2009-02-11 株式会社电装 Piping joint device and manufacturing method thereof
CN102770702A (en) * 2010-02-23 2012-11-07 株式会社利富高 Connector
CN103912747A (en) * 2012-12-28 2014-07-09 Smc株式会社 Pipe joint
CN203718226U (en) * 2013-12-31 2014-07-16 贵州森瑞新材料股份有限公司 Quick connecting pipe sleeve for single-wall corrugated pipes
CN104295834A (en) * 2013-07-17 2015-01-21 海马轿车有限公司 Pipe connector
KR101500408B1 (en) * 2013-12-12 2015-03-09 현대자동차 주식회사 Coupling
CN105090641A (en) * 2014-05-22 2015-11-25 A·雷蒙德公司 Tubular coupling

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434549B (en) * 2011-08-30 2015-01-28 深圳市江波龙电子有限公司 Fastener, pedestal and fastening assembly
CN205877536U (en) * 2016-07-19 2017-01-11 浙江工业大学 Removable quick connector
CN205877537U (en) * 2016-07-19 2017-01-11 浙江工业大学 Removable quick connector's buckle spare

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1470796A (en) * 2002-05-07 2004-01-28 吴承根 Air-feeding hose connecting member
CN100460743C (en) * 2005-04-04 2009-02-11 株式会社电装 Piping joint device and manufacturing method thereof
CN102770702A (en) * 2010-02-23 2012-11-07 株式会社利富高 Connector
CN103912747A (en) * 2012-12-28 2014-07-09 Smc株式会社 Pipe joint
CN104295834A (en) * 2013-07-17 2015-01-21 海马轿车有限公司 Pipe connector
KR101500408B1 (en) * 2013-12-12 2015-03-09 현대자동차 주식회사 Coupling
CN203718226U (en) * 2013-12-31 2014-07-16 贵州森瑞新材料股份有限公司 Quick connecting pipe sleeve for single-wall corrugated pipes
CN105090641A (en) * 2014-05-22 2015-11-25 A·雷蒙德公司 Tubular coupling

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