CN106704745A - Elastic locking fastener of quick connector - Google Patents
Elastic locking fastener of quick connector Download PDFInfo
- Publication number
- CN106704745A CN106704745A CN201710000634.0A CN201710000634A CN106704745A CN 106704745 A CN106704745 A CN 106704745A CN 201710000634 A CN201710000634 A CN 201710000634A CN 106704745 A CN106704745 A CN 106704745A
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- Prior art keywords
- tension
- compression
- arm
- finger
- guide plate
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- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 107
- 238000007906 compression Methods 0.000 claims description 107
- 230000007704 transition Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/086—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 latching members pushed radially by spring-like elements
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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
An elastic locking part of a quick connector comprises a finger pulling and pressing part, an elastic arm, a guide plate and a locking part, wherein the finger pulling and pressing part comprises a pulling and pressing body and a pulling and pressing button which are matched with the shape of a clamping interface of a female connector, the pulling and pressing button is fixed on the middle part of the outer side surface of the pulling and pressing body, and the pulling and pressing button is in a trapezoidal table shape; the elastic locking fastener is inserted into the pipe insertion opening from the clamping opening, the pulling and pressing body of the finger pulling and pressing part is located at the clamping opening, the elastic arm and the locking part are located in the pipe insertion opening, the rear side face of the arc-shaped block is attached to the front side face of the first annular bulge of the male connector, and the second annular bulge of the male connector is located on the front side of the opening structure and attached to the opening structure. The invention provides an elastic locking piece of a quick connector, which is not easy to fall off, has a simple structure and has enough holding force.
Description
Technical field
The invention belongs to technical field of pipeline connection, more particularly, to a kind of snap lock fastener of quick connector.
Background technology
Connector is a kind of device for conveying the fluids such as gas, liquid, and usual connector is connected by pipe, pipe
Part, valve etc. are formed by connecting；In the prior art, the arrangement of connector and installation for convenience, generally using the side of pipe joint
Formula is completed, and the connected mode of existing joint has threaded connection, welding and card pressure etc., in actual operation is installed, there is one
The problems such as inconvenient, handling are difficult, installation rate is slow, snap close piece confining force is inadequate is installed in a little problems, such as joint manufacture, is
These problems are solved, quick connector arises at the historic moment.
In current existing connector, all submerge snap close piece this kind of quick connector of female joint, there is suitable one
Snap close piece is divided to be insufficient to assure that being reliably connected for pipeline to the confining force that male joint is produced.Simultaneously after being dismounted for multiple times, snap close piece holds
Original confining force is easily lost, so can disconnect connection.
The content of the invention
In order to overcome existing quick connector technology to there is snap close piece generation confining force not enough, the present invention provides a kind of
The snap lock fastener of difficult for drop-off, simple structure, the quick connector with enough confining forces.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of snap lock fastener of the snap lock fastener of quick connector, including finger tension and compression portion, elasticity arm, guide plate and
Latch part, the finger tension and compression portion includes the tension and compression body and tension and compression button that match with the clamping mouth-shaped of female joint, the tension and compression
Button is fixed on the middle part of the lateral surface of tension and compression body, and the tension and compression button is trapezoidal bench-type, and the finger tension and compression portion is provided with two,
It is respectively upper finger tension and compression portion and lower finger tension and compression portion, the upper finger tension and compression portion and lower finger tension and compression portion arrangement symmetrical above and below；
The elasticity arm is provided with four, respectively the first upper elasticity arm, the second upper elasticity arm, the first down spring arm and the second down spring
Arm；The first upper elasticity arm is symmetrically arranged with the second upper elasticity arm, the first upper elasticity arm and described first
Down spring arm arrangement symmetrical above and below, the first down spring arm is symmetrically arranged with the second down spring arm, and described second
Upper elasticity arm and the second down spring arm arrangement symmetrical above and below；The upper end of the first upper elasticity arm and the upper finger tension and compression
The medial surface left end connection of the tension and compression body in portion, the lower end of the first down spring arm and the tension and compression body in the lower finger tension and compression portion
Medial surface left end is connected, and the upper end of the second upper elasticity arm connects with the medial surface right-hand member of the tension and compression body in the upper finger tension and compression portion
Connect, the lower end of the second down spring arm is connected with the medial surface right-hand member of the tension and compression body in the lower finger tension and compression portion；
Arranged before and after the guide plate and its rear and front end has gathering sill, the guide plate sets two, respectively
It is the first guide plate and the second guide plate, first guide plate is symmetrically arranged with second guide plate, described first
The upper end of guide plate is connected with the lower end of the first upper elasticity arm, the lower end of first guide plate and first down spring
The upper end connection of arm, the upper end of second guide plate is connected with the lower end of the second upper elasticity arm, second guide plate
Lower end be connected with the upper end of the second down spring arm；
The latch part is located at upper finger tension and compression portion, the first upper elasticity arm, the first down spring arm, lower finger tension and compression portion, the
Two down spring arms, the second upper elasticity upper-arm circumference into annular in, the latch part include support arm and arc block, the arc block
Inner concave arranges and is fitted with the outer wall of Access Division that the arc block is drawn by support arm with finger towards the Access Division of male joint
The medial surface middle part connection of the tension and compression body of splenium, the latch part has been located at two, is respectively upper latch part and lower latch part, institute
Latch part is stated with the lower latch part arrangement symmetrical above and below；
The female joint includes hatch frame, female connecting tube and the second hose transition, and the front end of female connecting tube sets
The rear end for having the hatch frame, female connecting tube is provided with the second hose transition, and the hatch frame axially sets before and after
There is a pipe insert port of insertion, the hatch frame is respectively provided on two sides with card interface up and down, two card interface arrangements symmetrical above and below,
The card interface is connected with the pipe insert port；The card interface is arc port, the left and right two of the front end face of female connecting tube
It is respectively symmetrically on side and is provided with the first guide rail, the first guide rail lateral arrangement, front face of the hatch frame in card interface
It is respectively symmetrically on the left and right sides and is provided with the second guide rail, the second guide rail lateral arrangement, first guide rail is led with described second
Just to arrangement before and after rail；
From in card interface insertion tube insert port, the tension and compression body in the finger tension and compression portion is located at the card to the snap lock fastener
Interface, the elasticity arm and latch part are located in the pipe insert port, the trailing flank of the arc block and the first of male joint
The leading flank laminating of annular protrusion, the second annular protrusion of male joint is located at the front side of the hatch frame and is pasted with hatch frame
Close；
The first guide rail clamping on the left of the gathering sill of the rear end of first guide plate and the front end face of female connecting tube,
The first guide rail clamping on the right side of the gathering sill of the rear end of second guide plate and the front end face of female connecting tube, described first
The second guide rail clamping on the left of the gathering sill of the front end of guide plate and the front face of the card interface, before second guide plate
The second guide rail clamping on the right side of the gathering sill at end and the front face of the card interface.
Further, it is characterised in that：The elasticity arm is zigzag.
Further, the elasticity arm includes the first swash plate and the second swash plate, and first swash plate and the second swash plate are erected
To arrangement, one end of first swash plate is connected with the tension and compression body in the finger tension and compression portion, the other end of first swash plate with
One end connection of second swash plate, the other end of second swash plate is connected with guide plate, the inclination angle of second swash plate
Less than the inclination angle of first swash plate, the lower-upper length of first swash plate is less than the second oblique lower-upper length.
Further, the vertical section of the snap lock fastener is hexagon.
Further, the area of the upper bottom surface of the tension and compression button in the upper finger tension and compression portion is more than the area of its bottom surface, institute
State the area of the area less than its bottom surface of the upper bottom surface of the tension and compression button in lower finger tension and compression portion.
Further, the arc block is sector, and the inner concave of the arc block includes arc surface and oblique cambered surface, the circle
Cambered surface is respectively arranged on the left side and the right side the oblique cambered surface, and the arc surface fits with the outer wall of the Access Division.
Main beneficial effect of the invention is：Male joint is difficult for drop-off under the confining force of snap close piece with female joint, structure
Simply, it is easy to use, it is convenient to mount and dismount.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of female joint.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the dextrad sectional view of the hatch frame of female joint.
Fig. 5 is the left-hand sectional view of the hatch frame of female joint.
Fig. 6 is the explosive view of quick connector.
Fig. 7 is dextrad sectional view of the snap close piece in female joint.
Fig. 8 is left-hand sectional view of the snap close piece in female joint.
Fig. 9 is the schematic diagram that snap close piece coordinates with male joint.
Figure 10 is the cooperation schematic diagram of guide rail and gathering sill.
Figure 11 is sectional side elevation when male joint is connected with female joint.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
1~Figure 11 of reference picture, a kind of snap lock fastener of the snap lock fastener of quick connector, including finger tension and compression portion
21st, elasticity arm 22, guide plate 23 and latch part 23, the finger tension and compression portion include matching with the shape of card interface 12 of female joint
Tension and compression body and tension and compression button 21, the tension and compression button 21 be trapezoidal bench-type, the finger tension and compression portion is provided with two, is respectively left-hand seat
Refer to tension and compression portion and lower finger tension and compression portion, the upper finger tension and compression portion and lower finger tension and compression portion arrangement symmetrical above and below；The elasticity arm
22 are provided with four, respectively the first upper elasticity arm, the second upper elasticity arm, the first down spring arm and the second down spring arm；It is described
First upper elasticity arm is symmetrically arranged with the second upper elasticity arm, the first upper elasticity arm and the first down spring arm
Arrangement symmetrical above and below, the first down spring arm is symmetrically arranged with the second down spring arm, the second upper elasticity arm
With the second down spring arm arrangement symmetrical above and below；The tension and compression in the upper end of the first upper elasticity arm and the upper finger tension and compression portion
The medial surface left end connection of body, the lower end of the first down spring arm is left with the medial surface of the tension and compression body in the lower finger tension and compression portion
End connection, the upper end of the second upper elasticity arm is connected with the medial surface right-hand member of the tension and compression body in the upper finger tension and compression portion, described
The lower end of the second down spring arm is connected with the medial surface right-hand member of the tension and compression body in the lower finger tension and compression portion；
Arranged before and after the guide plate 23 and its rear and front end has gathering sill, the guide plate sets two, point
Not Wei the first guide plate and the second guide plate, first guide plate is symmetrically arranged with second guide plate, described
The upper end of one guide plate is connected with the lower end of the first upper elasticity arm, the lower end of first guide plate and first time bullet
The upper end connection of the arm of force, the upper end of second guide plate is connected with the lower end of the second upper elasticity arm, and described second is oriented to
The lower end of plate is connected with the upper end of the second down spring arm；
The latch part 24 be located at upper finger tension and compression portion, the first upper elasticity arm, the first down spring arm, lower finger tension and compression portion,
Second down spring arm, the second upper elasticity upper-arm circumference into annular in, the latch part 24 include support arm and arc block 25, the arc
The inner concave of shape block 25 arranges and is fitted with the outer wall of Access Division 33 that the arc block 25 passes through towards the Access Division 33 of male joint
Support arm is connected with the medial surface middle part of the tension and compression body in finger tension and compression portion, and the latch part 24 has been located at two, locks respectively
Buckle and lower latch part, the upper latch part and the lower latch part arrangement symmetrical above and below；
The female joint includes hatch frame, female hose transition 14 of connecting tube 13 and second, female connecting tube 13
Front end is provided with the hatch frame, and the rear end of female connecting tube 13 is provided with the second hose transition 14, the hatch frame edge
The front and rear pipe insert port 111 for being axially arranged with insertion, the hatch frame is respectively provided on two sides with card interface 12, two clampings up and down
Mouth arrangement symmetrical above and below, the card interface 12 is connected with the pipe insert port；The card interface 12 is arc port, female connection
It is respectively symmetrically on the left and right sides of the front end face of pipe 13 and is provided with the first guide rail 111, the lateral arrangement of the first guide rail 111 is described
Hatch frame is respectively symmetrically on the left and right sides of the front face of card interface 12 and is provided with the second guide rail 112, second guide rail 112
Lateral arrangement, first guide rail 111 is front and rear with second guide rail 112 just to arrangement；
From in the insertion tube insert port 11 of card interface 12, the tension and compression body in the finger tension and compression portion is located at the snap lock fastener 2
At the card interface 12, the elasticity arm 22 and latch part 24 are located in the pipe insert port 11, and the male joint 3 is from front to back
Sequentially pass through pipe insert port 11 and female connecting tube 13, the trailing flank of the arc block 25 and first annular raised the 32 of male joint
Leading flank laminating, the second annular protrusion 34 of male joint is located at the front side of the hatch frame and fitted with hatch frame；
The first guide rail clamping on the left of the gathering sill of the rear end of first guide plate and the front end face of female connecting tube,
The first guide rail clamping on the right side of the gathering sill of the rear end of second guide plate and the front end face of female connecting tube, described first
The second guide rail clamping on the left of the gathering sill of the front end of guide plate and the front face of the card interface, before second guide plate
The second guide rail clamping on the right side of the gathering sill at end and the front face of the card interface.
Further, the elasticity arm 22 is zigzag.
Further, the elasticity arm 22 includes the first swash plate 222 and the second swash plate 221, first swash plate 222 and the
Two swash plates 221 are vertically arranged, and one end of first swash plate 222 is connected with the tension and compression body in the finger tension and compression portion, and described
The other end of one swash plate 222 is connected with one end of second swash plate 221, the other end and guide plate of second swash plate 221
23 connections, the inclination angle of second swash plate 221 less than first swash plate 222 inclination angle, first swash plate 222 it is upper
Lower-upper length of the lower length less than second oblique 221.
Further, the vertical section of the snap lock fastener 2 is hexagon.
Further, the area of the upper bottom surface of the tension and compression button in the upper finger tension and compression portion is more than the area of its bottom surface, institute
State the area of the area less than its bottom surface of the upper bottom surface of the tension and compression button in lower finger tension and compression portion.
Further, the arc block 25 is sector, and the inner concave of the arc block 25 includes arc surface and oblique cambered surface
251, the arc surface is respectively arranged on the left side and the right side the oblique cambered surface 251, the outer wall of the arc surface and the Access Division 33
Laminating.
Quick connector, including male joint 3, female joint and snap lock fastener 2, the male joint 3 is by the snap lock
Fastener 2 is connected in the female joint；
The male joint 3 is hollow structure, and the male joint 3 includes public connecting tube 31, the first hose transition 35, first
The annular protrusion 34 of annular protrusion 32 and second, the front end of the public connecting tube 31 is provided 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 is Access Division 33 between annular protrusion 34；Second annular protrusion 34
External diameter be more than first annular raised 32 external diameter；
The female joint is hollow structure；
The cross section of the hatch frame is hexagon, and the pipe insert port 11 is also hexagon.
Be provided with sealing structure between the male connecting tube 31 and female connecting tube 13, the sealing structure include inner seal ring,
Inner shield ring 132 and exterior seal ring, the inner seal ring is with exterior seal ring respectively positioned at the front and rear both sides of the inner shield ring.
In the present embodiment, the left and right width of the left and right width more than the pipe insert port 11 of the snap lock fastener 2, guide rail
Including the first guide rail and the second guide rail, gathering sill includes preceding gathering sill 231 and rear gathering sill 232；The first upper elasticity arm
Inclination angle, the inclination angle of the second down spring arm be acute angle, and the inclination angle of the second upper elasticity arm, the first down spring arm incline
Oblique angle is obtuse angle；The finger tension and compression portion is used to guide action and the positioning of connected elasticity arm 22, the elasticity arm
22 are connected with the finger tension and compression portion, and the elasticity arm 22 has two pairs, and the male joint can be clamped with powerful elastic force
Access Division, the latch part 24 is connected to the elasticity arm 22, and the gathering sill is used cooperatively with the guide rail, the arc block
Access Division described in 25 clampings is simultaneously adjacent to described first annular raised 32, so as to play a part of quick connection；When the finger draws
When the tension and compression button 21 of splenium is pressed, the second swash plate 221 of the elasticity arm 22 of the same side is connected with each other so as to transmit motion, in addition
Power can also be uniformly applied to the latch part 23.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, hatch frame is provided with two card interfaces of arrangement symmetrical above and below 12, is used for
Place snap lock fastener 2；The card interface 12 just as the tension and compression shape in the finger tension and compression portion, the finger tension and compression
The tension and compression body in portion is fitted on the card interface 12, and just fills card interface 12 this breach, and perfection laminating is simultaneously fitted together into institute
Card interface 12 is stated, two hypotenuses of the hexagon of pipe insert port 11 are easy to the turnover of snap lock fastener 2, while for placing latch part
23, also allow for the gathering sill and be fixed on guide rail；The guide rail has the effect that：One is for coordinating with the gathering sill
Use, gathering sill movement on the guide rail can guarantee that the certainty of its motion, two is fixed to whole snap lock fastener 2
Position effect, and because the gathering sill is a notch geometry, just block jail on the guide rail, so as to play a fixation
Effect.
As shown in figure 1, the tension and compression body in the finger tension and compression portion is to match with the hexagonal shape of female joint, tension and compression button bag
Front and rear inclined-plane 211 and left and right inclined-plane 212 are included, pull-up snap lock fastener 2 is facilitated for any direction；The drawing in the finger tension and compression portion
The horizontal edge of laminate is pressed for finger, and two hypotenuses are fitted on the card interface 12, for the effect of filling a vacancy, the second of elasticity arm
The inclination angle of swash plate 221 and first swash plate 222 is all 60 degree, and design bends shape when squatting when coming from people's take-off, applies imitative
Raw to learn principle, this shape helps to maintain the stability of power, while the latch part 24 that makes of energy fast powerful departs from the public affairs
The Access Division 33 of joint 3, it is the latch part 24 that the male joint 3 is reliably unreliable with the connection of the female joint 1, described
The trailing flank of arc block 25 can well paste jail on first annular raised 32 leading flank, play axial restraint effect.
As shown in figure 11, O-ring seal 131, inner shield ring are equipped with the inwall of female connecting tube 13 in female joint 1
132, the O-ring seal has two, respectively inner seal ring and exterior seal ring, plays two way seal, the inner seal ring
Prevent liquid from flowing out, the exterior seal ring prevents external contaminants from entering；It is equipped between inner seal ring and exterior seal ring
Inner shield ring 132,132 buffer actions of the inner shield ring, for preventing temperature rising from mutually being sticked between causing O-ring seal；Institute
The rear portion of female joint 1 is stated for the second hose transition 14, corresponding hose inner wall is nipped by annular anti-skid bulge thereon, so that real
Now connect.
As shown in Fig. 6, Fig. 9, Figure 10 and Figure 11, only the press section of the snap lock fastener 2 need to be directed at the card interface
12, the relative pressing finger tension and compression portion 21 of finger of assembly crewman, related latch part 23 is inside contracted, and is so easy to the snap lock fastener
2 enter the card interface 12, and the snap lock fastener 2 slips into pipe insert port 11, until lower finger tension and compression portion reaches hatch frame
The card interface of bottom；Now, gathering sill is snapped on guide rail, is so achieved that assembling；If the male joint 3 need to be taken out, only
Finger need to be pulled outwardly the tension and compression button in finger tension and compression portion, such power will be applied to the elasticity arm 22, and elasticity arm 22 is stretched,
Adhesion is delivered to the latch part 24, and the latch part 24 can be made to depart from the Access Division of the male joint, so as to realize described
The disconnection of male joint 3 and the female joint 1.
The main buckle male joint effect of arc surface of the arc block, and vibration before and after male joint is prevented, oblique cambered surface rises auxiliary
Effect is helped, the movable effect in Access Division of male joint, i.e. axially position is prevented, while such oblique cambered surface is designed with being beneficial to
Cause that the arc block leaves the Access Division of male joint faster during dismounting；
Present invention can apply to vehicle fuel pipeline, male connecting tube 31 and female connecting tube 13 can be durable metal tubes
Termination, such as the metal tube of fuel conduit, however, quick connector can also be with rigid plastic material or other are conventional
Injection molded material is made, and is connected in the usual way with hose line or pipeline.
Claims (6)
1. the snap lock fastener of a kind of quick connector, it is characterised in that：Including finger tension and compression portion, elasticity arm, guide plate and lock
Buckle, the finger tension and compression portion includes the tension and compression body and tension and compression button that match with the clamping mouth-shaped of female joint, the tension and compression button
It is fixed on the middle part of the lateral surface of tension and compression body, the tension and compression button is trapezoidal bench-type, the finger tension and compression portion is provided with two, point
It is not upper finger tension and compression portion and lower finger tension and compression portion, the upper finger tension and compression portion and lower finger tension and compression portion arrangement symmetrical above and below；Institute
State elasticity arm and be provided with four, respectively the first upper elasticity arm, the second upper elasticity arm, the first down spring arm and the second down spring
Arm；The first upper elasticity arm is symmetrically arranged with the second upper elasticity arm, the first upper elasticity arm and described first
Down spring arm arrangement symmetrical above and below, the first down spring arm is symmetrically arranged with the second down spring arm, and described second
Upper elasticity arm and the second down spring arm arrangement symmetrical above and below；The upper end of the first upper elasticity arm and the upper finger tension and compression
The medial surface left end connection of the tension and compression body in portion, the lower end of the first down spring arm and the tension and compression body in the lower finger tension and compression portion
Medial surface left end is connected, and the upper end of the second upper elasticity arm connects with the medial surface right-hand member of the tension and compression body in the upper finger tension and compression portion
Connect, the lower end of the second down spring arm is connected with the medial surface right-hand member of the tension and compression body in the lower finger tension and compression portion；
Arrangement and its rear and front end has gathering sill before and after the guide plate, the guide plate sets two, and respectively the
One guide plate and the second guide plate, first guide plate are symmetrically arranged with second guide plate, and described first is oriented to
The upper end of plate is connected with the lower end of the first upper elasticity arm, the lower end of first guide plate and the first down spring arm
Upper end connects, and the upper end of second guide plate is connected with the lower end of the second upper elasticity arm, under second guide plate
End is connected with the upper end of the second down spring arm；
The latch part is located under upper finger tension and compression portion, the first upper elasticity arm, the first down spring arm, lower finger tension and compression portion, second
Elasticity arm, the second upper elasticity upper-arm circumference into annular in, the latch part include support arm and arc block, the indent of the arc block
Arranged facing to the Access Division of male joint and fitted with the outer wall of Access Division, the arc block is by support arm and finger tension and compression portion
Tension and compression body the connection of medial surface middle part, the latch part has been located at two, is respectively upper latch part and lower latch part, it is described on
Latch part and the lower latch part arrangement symmetrical above and below；
The female joint includes hatch frame, female connecting tube and the second hose transition, and the front end of female connecting tube is provided with institute
Hatch frame is stated, the rear end of female connecting tube is provided with the second hose transition, is axially arranged with before and after the hatch frame edge and passes through
Logical pipe insert port, the hatch frame is respectively provided on two sides with card interface up and down, and two card interface arrangements symmetrical above and below are described
Card interface is connected with the pipe insert port；The card interface is arc port, on the left and right sides of the front end face of female connecting tube
It is respectively symmetrically and is provided with the first guide rail, the first guide rail lateral arrangement, the hatch frame is in the left and right of the front face of card interface
It is respectively symmetrically on both sides and is provided with the second guide rail, the second guide rail lateral arrangement, before first guide rail and second guide rail
Afterwards just to arrangement；
From in card interface insertion tube insert port, the tension and compression body in the finger tension and compression portion is located at the card interface to the snap lock fastener
Place, the elasticity arm and latch part are located in the pipe insert port, and the trailing flank of the arc block is first annular with male joint
Raised leading flank laminating, the second annular protrusion of male joint is located at the front side of the hatch frame and is fitted with hatch frame；
The first guide rail clamping on the left of the gathering sill of the rear end of first guide plate and the front end face of female connecting tube, it is described
The first guide rail clamping on the right side of the gathering sill of the rear end of the second guide plate and the front end face of female connecting tube, described first is oriented to
The second guide rail clamping on the left of the gathering sill of the front end of plate and the front face of the card interface, the front end of second guide plate
The second guide rail clamping on the right side of gathering sill and the front face of the card interface.
2. the snap lock fastener of a kind of quick connector as claimed in claim 1, it is characterised in that：The elasticity arm is Z-shaped
Shape.
3. the snap lock fastener of a kind of quick connector as claimed in claim 1 or 2, it is characterised in that：The elasticity arm bag
The first swash plate and the second swash plate are included, first swash plate and the second swash plate are vertically arranged, one end of first swash plate and institute
The tension and compression body connection in finger tension and compression portion is stated, the other end of first swash plate is connected with one end of second swash plate, described the
The other end of two swash plates is connected with guide plate, the inclination angle of the inclination angle less than first swash plate of second swash plate, described
The lower-upper length of the first swash plate is less than the second oblique lower-upper length.
4. the snap lock fastener of a kind of quick connector as claimed in claim 1 or 2, it is characterised in that：The elastic lock
The vertical section of part is hexagon.
5. the snap lock fastener of a kind of quick connector as claimed in claim 1 or 2, it is characterised in that：The upper finger draws
The area of the upper bottom surface of the tension and compression button of splenium is more than the area of its bottom surface, the upper bottom surface of the tension and compression button in the lower finger tension and compression portion
Area less than its bottom surface area.
6. the snap lock fastener of a kind of quick connector as claimed in claim 1 or 2, it is characterised in that：The arc block is
Sector, the inner concave of the arc block includes arc surface and oblique cambered surface, and being respectively arranged on the left side and the right side for the arc surface is described oblique
Cambered surface, the arc surface is fitted with the outer wall of the Access Division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000634.0A CN106704745B (en) | 2017-01-03 | 2017-01-03 | Elastic locking fastener of quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710000634.0A CN106704745B (en) | 2017-01-03 | 2017-01-03 | Elastic locking fastener of quick connector |
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| CN106704745A true CN106704745A (en) | 2017-05-24 |
| CN106704745B CN106704745B (en) | 2018-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940149A (en) * | 2017-12-27 | 2018-04-20 | 泉州科发卫浴有限公司 | A kind of innovative inlet valve quick assembling mechanism |
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| CN203517103U (en) * | 2013-09-14 | 2014-04-02 | 浙江双福消防器材有限公司 | Quick connector |
| US20140125051A1 (en) * | 2012-11-05 | 2014-05-08 | Ti Automotive (Fuldabruck) Gmbh | Quick Connector Coupling |
| WO2014170590A1 (en) * | 2013-04-17 | 2014-10-23 | A.Raymond Et Cie | Lock for a tubular connection |
| US20150233509A1 (en) * | 2014-02-17 | 2015-08-20 | Staubli Faverges | Bayonet coupling for the disconnectable connection of pipelines |
| CN204611168U (en) * | 2015-02-15 | 2015-09-02 | 上海亿力电器有限公司 | Fast plug in connection set |
| CN206398238U (en) * | 2017-01-03 | 2017-08-11 | 浙江工业大学 | A kind of snap lock fastener of vehicle pipeline quick connector |
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| US20140125051A1 (en) * | 2012-11-05 | 2014-05-08 | Ti Automotive (Fuldabruck) Gmbh | Quick Connector Coupling |
| WO2014170590A1 (en) * | 2013-04-17 | 2014-10-23 | A.Raymond Et Cie | Lock for a tubular connection |
| CN203517103U (en) * | 2013-09-14 | 2014-04-02 | 浙江双福消防器材有限公司 | Quick connector |
| US20150233509A1 (en) * | 2014-02-17 | 2015-08-20 | Staubli Faverges | Bayonet coupling for the disconnectable connection of pipelines |
| CN204611168U (en) * | 2015-02-15 | 2015-09-02 | 上海亿力电器有限公司 | Fast plug in connection set |
| CN206398238U (en) * | 2017-01-03 | 2017-08-11 | 浙江工业大学 | A kind of snap lock fastener of vehicle pipeline quick connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940149A (en) * | 2017-12-27 | 2018-04-20 | 泉州科发卫浴有限公司 | A kind of innovative inlet valve quick assembling mechanism |
| CN107940149B (en) * | 2017-12-27 | 2024-02-20 | 泉州科发卫浴有限公司 | Quick-mounting mechanism for water inlet valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704745B (en) | 2018-10-19 |
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Application publication date: 20170524 Assignee: Taizhou Che Lover Auto Supplies Co.,Ltd. Assignor: JIANG University OF TECHNOLOGY Contract record no.: X2023330000242 Denomination of invention: An elastic locking fastener for a quick connector Granted publication date: 20181019 License type: Common License Record date: 20230414 |
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Effective date of registration: 20230906 Address after: No. 8 Weiyi Road, Shanshan Industrial Zone, Shilongtou Village, Danxi Town, Leqing City, Wenzhou City, Zhejiang Province, 325600 Patentee after: Wenzhou Guoye Electronic Technology Co.,Ltd. Address before: 310014 science and technology office, Zhejiang University of Technology, No. 18 Chao Wang Road, Xiacheng District, Hangzhou, Zhejiang Patentee before: JIANG University OF TECHNOLOGY |
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