CN206626309U - A kind of snap lock fastener being applied in intelligent automobile pipeline connector - Google Patents

Abstract

The utility model proposes a kind of snap lock fastener being applied in intelligent automobile pipeline connector, including upper stretching plate portion and lower stretching plate portion, linked into an integrated entity between upper stretching plate portion and lower stretching plate portion by the first elasticity arm and the second elasticity arm, and first the upper and lower ends of elasticity arm be connected respectively on one end medial surface of stretching plate portion and one end medial surface of lower stretching plate portion, the upper and lower ends of the second elasticity arm are connected respectively on the other end medial surface of stretching plate portion and the other end medial surface of lower stretching plate portion；Snap lock fastener in the utility model designs in symmetrical structure, avoid existing self-locking device or snap close piece it is positive or reversely on adjustment spent by the set-up time, i.e. while reducing cost, improving attaching/detaching efficiency, the performance of the snap lock fastener in the utility model in turn ensure that；The snap lock fastener is being applied to the sealing and stability that ensure the intelligent automobile pipeline in intelligent automobile pipeline connector simultaneously.

Description

A kind of snap lock fastener being applied in intelligent automobile pipeline connector

Technical field

The utility model belongs to automobile fitting part connector technique field, and in particular to one kind is applied to intelligent automobile pipeline and connected Snap lock fastener in device.

Background technology

All indispensable standard component, such as dismountable connector are used for removably pipeline connector always in traditional automobile fitting part Connecting tube, generally dismountable connector need to ensure the sealing of pipe, prevent the liquid in pipe or gas leakage.Removably connect Connecing device includes keyed end and abutting end, in the prior art in order to ensure keyed end and abutting end, that is, prevents keyed end and abutting end Unclamp.It is generally necessary to keyed end is spacing to abutting end progress.Because dismountable connector is according to the needs of user, it is necessary to can mistake Unlock locking of the end to abutting end.The pipe of generally dismountable connector connection is because of overpressure change, pipeline movement etc. Reason, the pipe of dismountable connector connection are often suffering from very big axial force.Dismountable connector needs firm Connecting tube and pipe.

Patent document publication number EP0691501 discloses a kind of connector, and the connector has at least two elastic lockings Arm, flexible latch arm are used for the abutting end that locks or unlock.Because flexible latch arm unblock is needed with pulling out two elasticity Lock arm, limited by operating space, very inconvenient, unlocking easily makes flexible latch arm deformation excessive, elastic locking Arm easily fatigue or fracture.

The part of presence locking unlocking arm auxiliary section in above-mentioned existing connector design is easily deformed excessive deficiency etc. Problem.

In addition：To disclose a kind of releasable inserted sleeve (i.e. removable for the document that Patent publication No is CN1916474A The plug-in connector unloaded), for inserting a tubular insert with peripheral rib.This inserted sleeve includes one Accommodate the cylinder insertion chamber enclosure and an independent retaining ring made of hard/elastoplast of insertion tubular insert (self-locking device).The lock rib direction of ring is inside, and in circular arc, when insert is pushed into joint, radiused edges are open, it When insert is pushed into afterwards and pins the part in joint, radiused edges are rebounded, and are engaged to together after rib.Lock seamed edge The last portion of edge is connected with each other by the bullet domestic animal arm of a pair of v-shapeds, and elastic arm can be touched from the outside of joint shell, so that will It shifts unlocked position onto, so as to which insert is extracted from joint.

As long as Patent publication No for CN1751202A document disclose it is a kind of provides one kind be fitted with dust cover cannot Lock the quick connector dust cover and quick connector (dismountable plug-in connector) of retainer (self-locking device).In circle In the dust cover main body of tubular integrally provided with O-ring protection portion and with retainer (self-locking device) a part disturb do Portion is disturbed, when dust cover main body is inserted in the housing of Chi quick connector, O-ring disturbs in O-ring protection portion Retainer (self-locking device) is limited on the position that can not be locked by portion.

Self-locking device in above-mentioned existing connector design is complicated to cause installation very inconvenient.

Utility model content

The purpose of this utility model be overcome in existing product it is insufficient, there is provided one kind designs in symmetrical structure, have installation/ Dismounting is efficient, the snap lock fastener that can be applied in intelligent automobile pipeline connector of function admirable.

In order to achieve the above object, the utility model is achieved through the following technical solutions：

The utility model proposes a kind of snap lock fastener being applied in intelligent automobile pipeline connector, including upper drawing plate Portion and lower stretching plate portion, one is connected into by the first elasticity arm and the second elasticity arm between upper stretching plate portion and lower stretching plate portion Body, and the upper and lower ends of the first elasticity arm are connected respectively to one end medial surface of stretching plate portion and one end of lower stretching plate portion On medial surface, the upper and lower ends of the second elasticity arm are connected respectively to the other end medial surface of stretching plate portion and lower stretching plate portion Other end medial surface on；First elasticity arm is by the rigid straight arm section I positioned at centre and two elastic oblique arms positioned at both sides I integrally connected of section forms；The angle that two elastic oblique arm sections I positioned at both sides are formed between rigid straight arm section I respectively Be 130 °~160 °, and positioned at both sides two elastic oblique arm sections I towards identical；Second elasticity arm is by positioned at the firm of centre What property straight arm section II and two elastic integrally connecteds of oblique arm section II positioned at both sides formed；Two elastic oblique arm sections positioned at both sides II angle formed respectively between rigid straight arm section II is 130 °~160 °, and positioned at two elastic oblique arm sections on both sides II towards identical；The design of the structure so that the first elasticity arm, the second elasticity arm and with upper stretching plate portion and lower stretching plate portion Mutually form similar hexagon parcel shape structure；And in extruding or the drawing of being exerted a force to upper stretching plate portion and lower stretching plate portion simultaneously When stretching, stress is pressed against outside expansion or to contract respectively for the first elasticity arm, the second elasticity arm, while drives positioned at pull-up Stretch the upper half annulus parcel between plate portion and lower stretching plate portion and lower half annulus parcel is drawn close or separated.

The rigid straight arm section I of first elasticity arm is provided with parallel to two guide groove mouths I on female joint axial direction；Second The rigid straight arm section II of elasticity arm is provided with parallel to two guide groove mouths II on female joint axial direction；Due to the first elastic force Two guide groove mouths, I, two guide groove mouth II is respectively equipped with arm, the second elasticity arm, so that the snap lock fastener is in integrally pair Claim structure design, thus it is whether positive or when reversely the snap lock fastener is set into female joint, always can be wherein One guide groove mouth I and correspondingly with the guide groove mouth I not homonymy a guide groove mouth II respectively with the guide rail phase interworking in female joint Close so that the first elasticity arm and the second elasticity arm are only limitted to along each accordingly guide rail is outwardly or inwardly slided；So It ensure that snap lock fastener steadiness on female joint axial direction.

Upper half annulus parcel is arranged right below in upper stretching plate portion medial surface, and directly over lower stretching plate portion medial surface Provided with lower half annulus parcel, and upper half annulus parcel and lower half annulus parcel are oppositely arranged to form a circular parcel Structure；Upper half annulus parcel is fixedly connected by two upper Z-type support columns with upper stretching plate portion medial surface, lower half annulus parcel Portion is fixedly connected by two lower Z-type support columns with lower stretching plate portion medial surface；It it is in 30~45 ° between two upper Z-type support columns Angle arranges, and is also arranged between two lower Z-type support columns in 30~45 ° of angles, and the design of the structure contributes to upper stretching When plate portion and lower stretching plate portion force extruding or stretching, can by extraneous exerted forces amount by accordingly upper Z-type support column, Lower Z-type support column uniformly extend to respectively upper half annulus parcel medial surface and its end and lower half annulus parcel it is interior Side and its end, realize the close bag of upper half annulus parcel and lower half annulus parcel to the clamping groove portion in pin end Wrap up in；The medial surface of upper half annulus parcel is by positioned at the roundlet segmental arc face I of centre and positioned at I group of the great circle segmental arc face on both sides Into the medial surface of lower half annulus parcel is by positioned at the roundlet segmental arc face II of centre and positioned at II group of the great circle segmental arc face on both sides Into；Wherein：The cambered surface radius in roundlet segmental arc face I and roundlet segmental arc face II is equal with the clamping groove portion cambered surface radius of pin end, The cambered surface radius in great circle segmental arc face I and great circle segmental arc face II is more than the clamping groove portion cambered surface radius in pin end；The structure is set Meter so that when plate portion and lower stretching plate portion are outwards stretched in stretching respectively, can ensure to be wrapped in upper half annulus parcel and Pin end clamping groove portion between lower half annulus parcel is separated from upper half annulus parcel medial surface and lower half annulus bag in time Wrap up in portion's medial surface, i.e., because pin end clamping groove portion is only limitted to be fitted tightly on roundlet segmental arc face I and roundlet segmental arc face II, from And during upper half annulus parcel and lower half annulus parcel are separated from each other, due to great circle segmental arc face I and great circle segmental arc face II cambered surface radius is more than the clamping groove portion cambered surface radius and the cambered surface in roundlet segmental arc face I and roundlet segmental arc face II half of pin end Footpath, shorten and separate stretching distance between the clamping groove portion of pin end and upper half annulus parcel and lower half annulus parcel；From And it efficiently avoid the position upper deviation (misplacing) and cause the clamping groove portion of pin end to be stuck on the inside of upper half annulus parcel Between face and lower half annulus parcel medial surface, snap lock fastener installation or removal efficiency is improved.

Compared with prior art, the beneficial effects of the utility model are as follows：

Snap lock fastener in the utility model designs in symmetrical structure, avoids existing self-locking device or snap close piece just To or reversely on adjustment spent by the set-up time, i.e., reduce cost, improve attaching/detaching efficiency while, again ensure The performance of snap lock fastener in the utility model；The snap lock fastener is being applied to intelligent automobile pipeline connector simultaneously The middle sealing and stability for ensureing the intelligent automobile pipeline.

Brief description of the drawings

Fig. 1 is snap lock fastener of the present utility model and pin end, the exploded perspective view of female joint fit structure.

Fig. 2 is the structural representation of female joint.

Fig. 3 is the structural representation of snap lock fastener of the present utility model.

Fig. 4 is the connection fit structure schematic diagram of snap lock fastener of the present utility model and pin end.

Fig. 5 is Fig. 4 side structure schematic diagram.

Fig. 6 is that snap lock fastener of the present utility model is connected fit structure schematic diagram with female joint.

Fig. 7 is that snap lock fastener of the present utility model is connected cooperation cross section structure schematic diagram with female joint.

Reference：Pin end 1, female joint 2, snap lock fastener 3, first annular raised 11, the second annular protrusion 13, the One hose transition 14, public connecting tube 15, clamping head 21, groove mouth 22, guide rail I 23, guide rail II 24, step surface 25, mother connects Centriciput 26, the rigid 35a of straight arm section I, the rigid 35b of straight arm section II, the 351a of guide groove mouth I, the 351b of guide groove mouth II, elastic oblique arm section I 34a, the elastic 34b of oblique arm section II, the 33a of V-type end face I, the 33b of V-type end face II, the inside 32a of binding structure I, inside binding structure II 32b, upper stretching plate portion 30a, lower stretching plate portion 30b, the first elasticity arm 31a, the second elasticity arm 31b, upper Z-type support column 37a, under Z-type support column 37b, lower half annulus parcel 38b, upper half annulus parcel 38a, the 382a of great circle segmental arc face I, great circle segmental arc face II 382b, the 381a of roundlet segmental arc face I, the 381b of roundlet segmental arc face II.

Embodiment

The technical solution of the utility model is described further with reference to Figure of description：

As shown in Fig. 1~7, the utility model proposes a kind of specific implementation of the pipeline connector applied to intelligent automobile Example.Specifically：As shown in Fig. 1, Fig. 4 and Fig. 6, a kind of pipeline connector applied to intelligent automobile in the utility model includes Pin end 1 and female joint 2, the pin end 1 are fixedly connected by snap lock fastener 3 with female joint 2；The pin end 1 is sky Cardiac catheter, the pin end 1 are connected by public connecting tube 15, first annular raised 11, second annular protrusion 13 and the first flexible pipe successively The integrally connected of socket part 14 forms；Wherein：The external diameter of second annular protrusion 13 is more than first annular raised 11 external diameter.First The clamping groove portion 12 that can be engaged with snap lock fastener 3 is formed between annular protrusion 11 and the second annular protrusion 13；In public affairs even The sealing device of sealing state can be kept with female joint 2 by being arranged with the outside wall surface of adapter 15.

Specifically：As shown in figure 1, the sealing device includes safety collar 264, outer O-shaped rubber seal 263, inner shield ring 262nd, interior O-shaped rubber seal 261；The safety collar 264, outer O-shaped rubber seal 263, inner shield ring 262, interior O-shaped rubber are close Seal 261 is closely folded between the outside wall surface of public connecting tube 15 and the internal face of female joint 2 from outside to inside successively；So as to protect The sealing between public connecting tube 15 and female joint 2 is demonstrate,proved.

As shown in Figure 2 and Figure 6, the female joint 2 is by clamping head 21, female joint middle part 26 and the second hose transition Integrally connected composition；When the public connecting tube 15 of pin end 1 is extended into 2 inner via hole of female joint, outside public connecting tube 15 Wall is tightly connected by 26 internal faces in the middle part of the female joint of sealing device and female joint 2.As shown in fig. 6, on clamping head 21 On offer groove mouth 22 symmetrical above and below, snap lock fastener 3 can be set along the two groove mouths 22 into clamping head In 21；Step surface 25 is equipped with each both ends of groove mouth 22, the step surface 25 that each both ends of groove mouth 22 are provided with is able to The 33b of V-type end face II that the 33a of V-type end face I that is provided with upper stretching plate portion 30a both ends, lower stretching plate portion 30b both ends are provided with is mutual It is engaged by clamping.The structure design, can effectively prevent snap lock fastener 3 set into during clamping head 21 from clamping head 21 One of groove mouth 22 passes, and ensure that snap lock fastener 3 stably in clamping head 21.

As shown in Fig. 2, Fig. 6 and Fig. 7, two guide rails I 23 and two guide rails II 24 are provided with the clamping head 21, this two Guide rail I 23 and two guide rails II 24 are in the same plane, and are arranged on the axial direction of female joint 2；And two I 23, guide rails In a homonymy, two guide rails II 24 are located at another homonymy；Two guide rails I 23 and two guide rails II 24 are to be respectively used to and elasticity What two guide groove mouths, I 351a and two 351b of guide groove mouth II on snap close piece 3 cooperated, avoid snap lock fastener 3 from being shaken Unnecessary fluctuation is produced in the vertical direction during dynamic or is rocked, and ensures that snap lock fastener 3 is firm in female joint 2 Property, and the compactness being connected between snap lock fastener 3 and pin end 1.

Meanwhile the utility model also provides a kind of snap lock fastener 3 being applied in intelligent automobile pipeline connector.Such as figure 3rd, shown in Fig. 4, Fig. 5 and Fig. 7, should be applied to the snap lock fastener 3 in intelligent automobile pipeline connector includes upper stretching plate portion 30a With lower stretching plate portion 30b, pass through the first elasticity arm 31a and the second elastic force between upper stretching plate portion 30a and lower stretching plate portion 30b Arm 31b links into an integrated entity, and the first elasticity arm 31a upper and lower ends are connected respectively to stretching plate portion 30a one end medial surface And on lower stretching plate portion 30b one end medial surface, the second elasticity arm 31b upper and lower ends are connected respectively to stretching plate portion On 30a other end medial surface and lower stretching plate portion 30b other end medial surface.

As shown in Figure 3 and Figure 4, the first elasticity arm 31a is by the 35a of rigid straight arm section I positioned at centre and positioned at both sides What two elastic 34a integrally connecteds of oblique arm section I formed；Positioned at both sides two elastic 34a of oblique arm section I respectively with rigid straight arm section The angle formed between I 35a is 130 °~160 °, and positioned at both sides two elastic 34a of oblique arm section I towards identical；The Two elasticity arm 31b are by integrally connecting positioned at the 35b of rigid straight arm section II of centre and two elastic 34b of oblique arm section II positioned at both sides Connect；The angle that two elastic 34b of oblique arm section II positioned at both sides are formed between the rigid 35b of straight arm section II respectively is equal For 130 °~160 °, and positioned at both sides two elastic 34b of oblique arm section II towards identical；The design of the structure, so that the One elasticity arm 31a, the second elasticity arm 31b and with upper stretching plate portion 30a and lower stretching plate portion 30b mutually form parcel shape knot Structure；And when exerting a force extruding or stretching simultaneously to upper stretching plate portion 30a and lower stretching plate portion 30b, the first elasticity arm 31a, Stress is pressed against outside expansion or to contract second elasticity arm 31b respectively, while drives positioned at upper stretching plate portion 30a with Upper half annulus parcel 38a and lower half annulus parcel 38b between stretching plate portion 30b draw close or separated.

As shown in Fig. 3, Fig. 4 and Fig. 7, the first elasticity arm 31a 35a of rigid straight arm section I is provided with parallel to the axle of female joint 2 To two 351a of guide groove mouth I on direction；The second elasticity arm 31b 35b of rigid straight arm section II is provided with parallel to the axle of female joint 2 To two 351b of guide groove mouth II on direction；Due to being respectively equipped with two guide grooves on the first elasticity arm 31a and the second elasticity arm 31b Mouthful I 351a, two 351b of guide groove mouth II, it is so overall to be designed in symmetrical structure, therefore whether forward direction or reversely by the bullet When property snap close piece is set into female joint 2, always can one of 351a of guide groove mouth I and correspondingly with the guide groove mouth I 351a A 351b of guide groove mouth II of homonymy does not cooperate with the guide rail in female joint 2 respectively so that the first elasticity arm 31a and second Elasticity arm 31b be only limitted to along each accordingly the i.e. one of guide rail I 23 of guide rail or one of guide rail II 24 carry out to It is interior or slide in and out；This ensure that the snap lock fastener 3 steadiness on the axial direction of female joint 2.

As shown in Fig. 3, Fig. 4 or Fig. 7, upper half annulus parcel 38a is arranged right below in upper stretching plate portion 30a medial surfaces, And it is provided with lower half annulus parcel 38b, and upper half annulus parcel 38a and lower half directly over lower stretching plate portion 30b medial surfaces Annulus parcel 38b is oppositely arranged to form a circular package structure；Upper half annulus parcel 38a passes through two upper Z-type branch Dagger 37a is fixedly connected with upper stretching plate portion 30a medial surfaces, and lower half annulus parcel 38b passes through two lower Z-type support column 37b It is fixedly connected with lower stretching plate portion 30b medial surfaces；Arranged between two upper Z-type support column 37a in 30~45 ° of angles, two lower Z Also arranged between type support column 37b in 30~45 ° of angles, the design of the structure contributes to upper stretching plate portion 30a and drop-down When stretching the extruding of plate portion 30b forces or stretching, extraneous exerted forces amount can be passed through accordingly upper Z-type support column 37a, lower Z Type support column 37b uniformly extends to upper half annulus parcel 38a medial surface and its end and lower half annulus parcel respectively 38b medial surface and its end, realize upper half annulus parcel 38a and lower half annulus parcel 38b to the clamping in pin end 1 The tight of groove portion 12；Upper half annulus parcel 38a medial surface is by the 381a of roundlet segmental arc face I positioned at centre and is located at The 382a of great circle segmental arc face I compositions on both sides, lower half annulus parcel 38b medial surface is by positioned at the roundlet segmental arc face II of centre 381b and the 382b of great circle segmental arc face II compositions positioned at both sides.

Wherein：The 381a of roundlet segmental arc face I and the 381b of roundlet segmental arc face II cambered surface radius with the buckling groove in pin end 1 The cambered surface radius of portion 12 is equal, and the 382a of great circle segmental arc face I and the 382b of great circle segmental arc face II cambered surface radius are more than the card in pin end 1 The cambered surface radius of access slot portion 12；The design of the structure so that outwards stretching plate portion 30a and lower stretching plate portion 30b in stretching respectively When, the clamping groove portion 12 of pin end 1 being wrapped between upper half annulus parcel 38a and lower half annulus parcel 38b can be ensured Upper half annulus parcel 38a medial surfaces and lower half annulus parcel 38b medial surfaces are separated from time, i.e., due to the clamping of pin end 1 Groove portion 12 is only limitted to be fitted tightly on the 381a of roundlet segmental arc face I and the 381b of roundlet segmental arc face II, so as to be wrapped up in upper half annulus During portion 38a and lower half annulus parcel 38b is separated from each other, the 382a of great circle segmental arc face I and the 382b of great circle segmental arc face II arc Radius surface is more than the cambered surface radius of clamping groove portion 12 and the 381a of the roundlet segmental arc face I and 381b of roundlet segmental arc face II in pin end 1 Cambered surface radius, shorten the clamping groove portion 12 of pin end 1 and upper half annulus parcel 38a and lower half annulus parcel 38b it Between separate stretching distance；The position upper deviation is avoided to misplace and cause the clamping groove portion 12 in pin end 1 to be stuck in upper half annulus Between parcel 38a medial surfaces and lower half annulus parcel 38b medial surfaces, snap lock fastener installation or removal effect is improved Rate.

In addition, 23 internal face lower end side is provided with RFID tag, pressure sensor or temperature in the middle part of female joint Sensor.It is to carry out early warning that RFID tag is arranged on into the middle part of female joint 23 internal face lower end side main function, is made Relative alarm information can be transmitted in time by obtaining the RFID tag after liquid leakage occurs, and reach very first time early warning effect. Simultaneously in view of being fitted in pipeline downside naturally when liquid deadweight or original liquid flowing.

RFID RFID tags and pressure sensor or temperature sensor are employed in the utility model.It is acted on Have：RFID RFID tags can be used in detecting the presence of liquid leakage；Due to temperature sensor or pressure sensor with it is close Indirect general the one of the most bottom surface of seal (i.e. outer O-shaped rubber seal 263, inner shield ring 262 or interior O-shaped rubber seal 261) Millimeter by temperature sensor less than and detecting the temperature change from closest approach；Pressure sensor is agreed due to leakage occurs simultaneously Surely there is central liquid accumulation phenomenon, necessarily cause pressure to become big.

The temperature that other RFID RFID tags and temperature sensor or pressure sensor can monitor the working environment Degree change and granule density and the joint working time of control air.

RFID RFID tags can (in process of production can be in LED with writing task time, marked product model Shown in display screen it is qualified by whether).

RFID RFID tags can also realize product back-tracing, because RFID tag can record service condition, side Phase research and service condition tracking after an action of the bowels, material is provided for follow-up improvement.

Intelligent product is realized using RFID RFID tags and temperature sensor or pressure sensor, can With the fluid temperature (F.T.) of display pipes, flow condition, ambient temperature on automobile instrument panel, it can also be used to which bonnet is warm everywhere Degree collection is used or each section of temperature of conveyance conduit and flow velocity gather, and can finally allow car owner, maintenance personal, designer, testing crew Joint fluid temperature is directly known by mobile phone-downloaded APP, has No leakage, flow rate of liquid, the monitoring of periphery working environment etc.. Prevent accident generation.

Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality Scheme after type simple transformation belongs to the scope of protection of the utility model.

Claims (2)

1. a kind of snap lock fastener being applied in intelligent automobile pipeline connector, it is characterised in that including upper stretching plate portion (30a) and lower stretching plate portion (30b), pass through the first elasticity arm between upper stretching plate portion (30a) and lower stretching plate portion (30b) (31a) and the second elasticity arm (31b) link into an integrated entity, and the upper and lower ends of the first elasticity arm (31a) are connected respectively to stretching On one end medial surface of plate portion (30a) and one end medial surface of lower stretching plate portion (30b), above and below the second elasticity arm (31b) Both ends are connected respectively to the other end medial surface of stretching plate portion (30a) and the other end medial surface of lower stretching plate portion (30b) On；

First elasticity arm (31a) is by the rigid straight arm section I (35a) positioned at centre and two elastic oblique arm sections I positioned at both sides (34a) integrally connected forms；Two elastic oblique arm sections I (34a) positioned at both sides are respectively between rigid straight arm section I (35a) The angle formed is 130 °~160 °, and positioned at both sides two elastic oblique arm sections I (34a) towards identical；

Second elasticity arm (31b) is by the rigid straight arm section II (35b) positioned at centre and two elastic oblique arm sections positioned at both sides II (34b) integrally connected forms；Positioned at both sides two elastic oblique arm sections II (34b) respectively with rigid straight arm section II (35b) Between the angle that is formed be 130 °~160 °, and positioned at both sides two elastic oblique arm sections II (34b) towards identical；

The rigid straight arm section I (35a) of first elasticity arm (31a) is provided with and led parallel to two on female joint (2) axial direction Notch I (351a)；The rigid straight arm section II (35b) of second elasticity arm (31b) is provided with parallel on female joint (2) axial direction Two guide groove mouths II (351b)；

Upper half annulus parcel (38a) is arranged right below in upper stretching plate portion (30a) medial surface, and in lower stretching plate portion (30b) Lower half annulus parcel (38b), and upper half annulus parcel (38a) and lower half annulus parcel are provided with directly over medial surface (38b) is oppositely arranged to form a circular package structure；Upper half annulus parcel (38a) passes through two upper Z-type support columns (37a) is fixedly connected with upper stretching plate portion (30a) medial surface, and lower half annulus parcel (38b) passes through two lower Z-type support columns (37b) is fixedly connected with lower stretching plate portion (30b) medial surface；

The medial surface of upper half annulus parcel (38a) is by positioned at the roundlet segmental arc face I (381a) of centre and positioned at the big of both sides Arc section face I (382a) forms, and the medial surface of lower half annulus parcel (38b) is by positioned at the roundlet segmental arc face II of centre (381b) and formed positioned at the great circle segmental arc face II (382b) on both sides；

Wherein：The cambered surface radius in roundlet segmental arc face I (381a) and roundlet segmental arc face II (381b) with the clamping in pin end (1) Groove portion (12) cambered surface radius is equal, and the cambered surface radius in great circle segmental arc face I (382a) and great circle segmental arc face II (382b) is more than public access Clamping groove portion (12) cambered surface radius in head (1).

2. according to a kind of snap lock fastener being applied in intelligent automobile pipeline connector described in claim 1, its feature It is, is arranged between two upper Z-type support columns (37a) in 30~45 ° of angles, is also in 30 between two lower Z-type support columns (37b) ~45 ° of angle arrangements.