CN108626504A - A kind of quick connector - Google Patents
A kind of quick connector Download PDFInfo
- Publication number
- CN108626504A CN108626504A CN201810650426.XA CN201810650426A CN108626504A CN 108626504 A CN108626504 A CN 108626504A CN 201810650426 A CN201810650426 A CN 201810650426A CN 108626504 A CN108626504 A CN 108626504A
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- China
- Prior art keywords
- arc
- lock nut
- connecting pin
- face
- outside
- Prior art date
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- 125000004122 cyclic group Chemical group 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008407 joint function Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000000883 ear external Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
-
- 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
- F16L37/092—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 elements wedged between the pipe and the frusto-conical surface of the body of the connector
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
- F16L37/113—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
Abstract
The present invention provides a kind of quick connectors, belong to field of mechanical technique.It solves the problems, such as that existing quick connector is poor for applicability.It includes the ontology at least two connecting pins, it is inserted with and takes at least one connecting pin, it is equipped with cyclic annular shoulder block on the outside of taking over and cyclic annular shoulder block inner face is resisted against on the end face of connecting pin, it is connected with lock nut on the outside of the connecting pin, outer end is taken over to stretch into lock nut, take over the retainer ring being equipped between lock nut for fixing pipe fitting, connecting pin is externally provided with the lock ring that can be rotated and lock ring is combined by least two valve bodies, annular groove is equipped on the inside of lock ring, it is stretched into annular groove with cyclic annular shoulder block on the outside of connecting pin, lock nut inner end is threaded on the outside of lock ring.It has many advantages, such as the connection that can be realized loose joint function, adapt to different size pipe fitting.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of quick connector.
Background technology
In daily life when being laid with using drainage pipeline, galvanized pipe is because getting rusty easily and rotting, to drinking water
Water quality has an impact and is gradually eliminated, and the rigidity characteristics that metal pipe itself has, and is not also suitable for some needs and turns
Curved place.Now more typical is exactly to be substituted using plastic water pipe, but the end of plastic water pipe is unable to tapping, can not
Be connected with valve or connector by screw thread, therefore, plastic water pipe mostly all be using pressure ring locking connection, hot-melt adhesive paste and
What the modes such as bonding were attached.However, the modes such as pressure ring locking connects, hot-melt adhesive paste is still bonded either is used to operate
Come all very it is not convenient, cannot achieve the quick connection of pipe fitting.
Quick-insertion type pipe joint is a kind of novel pipe fitting, be it is a kind of do not need tool can be achieved with pipe fitting connection connect
Head, it is stung on the outside of pipe fitting using the latch on retainer ring when pipe fitting is inserted by setting retainer ring and makes pipe fitting that can not be pulled out,
For pressure ring locking connection, hot-melt adhesive paste or bonding, the quick connection of pipe fitting may be implemented.However, at present on the market
Quick connector can only all connect the pipe fitting of single specification and not have loose joint function, this is because for inserting on quick connector
Enter taking in pipe fitting to be all an integral structure with joint body design, can not be replaced, such as application No. is
201510925892.0 a kind of quick-connect machanism of disclosed pipe, application No. is straight disclosed in 201410312034.4
Insert formula quickly jointed tubular workpieces, application No. is disclosed in 201710224961.4 a kind of novel quick coupling and application No. is
Quickly jointed tubular workpieces etc. disclosed in 201510452255.6, thus can the specification of connecting pipe be also just fixed, so, when
It needs to select to buy corresponding quick connector again to be attached when connecting the pipe fitting of different size.In addition, existing
Quick connector does not have loose joint function, i.e. joint body can not be rotated relative to the pipe fitting connected, if joint body
Be non-straight-through structure and have more than one connecting pin, while pipeline distribution angle again it is more cunning when be easy for occur not
The problem of with ideal connection angle.
For this purpose, the quick connector of different size pipe fitting, such as patent can be connected by also occurring some in the market
Shown in Fig. 5-8 in DE202011103941U1, it is designed as point by that will be used to be inserted into taking in pipe fitting with joint body
Body formula structure takes over the cyclic annular shoulder block of inner end setting, takes over inner end and be inserted into the connecting pin on joint body, then in joint body
Connecting pin be threadedly coupled lock nut, be resisted against using the convex shoulder on the inside of lock nut on the cyclic annular shoulder block inner face taken over and will take over
Joint body is fixed together to ensure normal use, when needing to connect the pipe fitting of different size, it is only necessary to screw off lock nut
Then replace it is corresponding take over, lock nut and retainer ring, you can to realize not not being related to the in the case of of replacing joint body
The connection of same specification pipe fitting.But since lock nut and joint body are threaded togather, retainer ring is fixed by lock nut, this
Mean that joint body still can not be rotated relative to the pipe fitting after connection, therefore still there is do not have loose joint function
The problem of.
Invention content
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of quick connector to be solved
The technical issues of be how adapt to different size pipe fitting soon insert while realize loose joint function.
Object of the invention can be realized by the following technical scheme：
A kind of quick connector includes the ontology at least two connecting pins, is inserted with and takes at least one connecting pin,
It is equipped with cyclic annular shoulder block on the outside of taking over and cyclic annular shoulder block inner face is resisted against on the end face of connecting pin, is connected on the outside of the connecting pin
Lock nut is taken over outer end and is stretched into lock nut, takes over the retainer ring being equipped between lock nut for fixing pipe fitting, which is characterized in that described
Connecting pin be externally provided with the lock ring that can be rotated and lock ring is combined by least two valve bodies, annular groove is equipped on the inside of lock ring, it is described
Connecting pin on the outside of stretched into annular groove with cyclic annular shoulder block, the lock nut inner end is threaded on the outside of lock ring.
When assembling this quick connector, it will take over inner end and be inserted into the connecting pin of ontology, the cyclic annular shoulder block for taking over outside supports
It leans against on the end face of connecting pin, then each valve body is coated on the outside of the connecting pin of ontology and is combined into lock ring, at this time outside connecting pin
Side is respectively positioned on cyclic annular shoulder block in the annular groove on the inside of lock ring, is thus taken over and is just fixed together with connecting pin.Then by retainer ring
It is placed on and takes on outer end, then lock nut inner end is threaded on the outside of lock ring, valve body each in this way will be close together and nothing
Method separates.
Due to being located on the outside of connecting pin in the annular groove on the inside of lock ring, ontology can be rotated relative to lock ring,
Ontology also can just represent ontology relative to lock ring rotation and can be rotated relative to the pipe fitting connected.Namely
Say that this fast inserting structure has loose joint function, after pipe fitting connects, if the angle of another connecting pin is undesirable on ontology, especially
It is to be particularly easy to the undesirable situation of connection angle occur when ontology is to have the three-way body there are three connecting pin, pacify at this time
Dress personnel can be adjusted by rotating ontology, ensure that ontology can preferably be connect with each pipe fitting with this.
In addition, the pipe fitting specification that each quick connector can be inserted soon for theoretically is unified, this is because this
Taking on body can not be replaced, take over can not be replaced so with to take over the pipe fitting that outer end bore matches can only be just one
Kind specification.And in this fast inserting structure, be also due to lock ring is combined by each valve body, when the pipe fitting specification to be connected is different
When, installation personnel can screw off lock nut, and lock ring loses the limitation of lock nut and is in removable isloation state, and such installation personnel can
Directly each valve body for being combined into lock ring to be removed from the body.After each valve body is removed from the body, original take over can be direct
It is removed from the body, then changes outer end and have and take over and taken over this and match with the pipe fitting matching bore of required connection
Lock ring, retainer ring and lock nut, can thus make this quick connector in the case where being changed without ontology be applicable in different size
The fast of pipe fitting inserts.
In above-mentioned quick connector, each valve body is arc-shaped, and the inside of each valve body is circumferentially arranged with arc groove, each arc
Shape slot forms above-mentioned annular groove, and annular convex shoulder, the outer end face of annular convex shoulder and cyclic annular shoulder block are equipped on the outside of the connecting pin
Inner face leans, and the inner face of annular convex shoulder and the one side wall of each arc groove lean, the outer end face of cyclic annular shoulder block and each arc
Another side wall of shape slot leans.
Annular convex shoulder is set on the outside of connecting pin, take over inner end be inserted into the inner face of ring-type shoulder block when in connecting pin will be with
The outer end face of annular convex shoulder leans, while the circumferentially arranged arc groove in side in each arc-shaped valve body, is assembling in this way
When the arc groove of each valve body is coated on against cyclic annular shoulder block and annular convex shoulder on connecting pin, annular is formed between each arc groove
Slot and make connecting pin ontology can be rotated relative to lock ring simultaneously together with take over axial limiting, it is thus achieved that this is fast
The loose joint function of connection-peg；Simultaneously again can butt tube is replaced by each valve body is removed from the body, to realize difference
The fast of specification pipe fitting inserts.
In above-mentioned quick connector, annular groove, the inner face and arc of each valve body are equipped on the outside of the connecting pin
Arc clamping portion is formed on slot between the one side wall of inner face, the arc clamping portion of each valve body is embedded in annular groove.
Annular groove is set on the outside of connecting pin, on the inner face and arc groove of each valve body close to the one side wall of inner face it
Between form arc clamping portion, then each arc clamping portion can be embedded in annular groove after each valve body is coated on connecting pin, ring
Connected in star can play the role of resigning, and ontology can be more swimmingly rotated to realize this quick connector with respect to lock ring
Loose joint function.
In above-mentioned quick connector, outside that each valve is held in vitro is equipped with external screw thread, end circumferentially side in each valve body
Equipped with arc protrusion, lock ring is threadedly coupled by the external screw thread of the external side of each valve with lock nut, and lock nut inner face is resisted against respectively
On the outer end face of arc protrusion.
Since each valve body is arc-shaped, by the way that in each valve, end is respectively provided with external screw thread in vitro, when each valve body is coated on outside connecting pin
And when forming lock ring, the external screw thread on each valve body will join end to end and lock ring outer end is made to form the continuous externally threaded structure of band,
Lock nut inner end can be threadedly coupled with lock ring in this way, to make each valve body that can keep closed configuration when in use, be protected
Demonstrate,proved this fast inserting structure has the function of loose joint again while can connect different size pipe fitting.In addition, being held in each valve body equal
Circumferentially side setting arc protrusion, makes lock nut inner face be resisted against the outer end of each arc protrusion after lock nut is threadedly coupled with lock ring
On face, can play prevents lock nut rotation from excessively being disengaged with the external screw thread on lock ring in this way.
In above-mentioned quick connector, arc locating plate is equipped on the outer end face of each valve body and in the outer of arc locating plate
End face is equipped with arc lug, and each arc locating plate is located on same circumference, and each arc lug is located on same circumference, described
Several intilted latches are distributed along the circumference on the inside of retainer ring external port, retainer ring inner end is sleeved on each arc lug and retainer ring
Inner face be resisted against on the outer end face of each arc locating plate.
It is respectively provided with arc locating plate on the outer end face of each valve body and setting arc is convex on the outer end face of arc locating plate
Piece, in assembling, the inner end of retainer ring can just be sleeved on each arc lug and the inner face of retainer ring is made to be resisted against each arc by card
On the outer end face of locating plate, the pre- closed configuration to each valve body can be played in this way, then coordinates the threaded connection of lock nut again,
Each valve body is more stably closed up when in use and realizes loose joint function in lock ring；Simultaneously retainer ring be again can be from each valve
It is removed on body, therefore does not interfere with this fast inserting structure again and taken over by replacement to connect the pipe fitting of different size.
In above-mentioned quick connector, described taking over is additionally provided with plastic washer between lock nut, the madial wall of lock nut with
The lateral wall of plastic washer is the conical surface, and the madial wall of lock nut is resisted against on the lateral wall of plastic washer, and plastic washer is interior
End face is resisted against on the outer end face of retainer ring.
After retainer ring inner end is sleeved on each arc lug, plastic washer is placed on retainer ring, is then threadedly coupled upper lock nut,
Since the lateral wall of lock nut madial wall and plastic washer is the conical surface, the madial wall of lock nut can be resisted against modeling after lock nut is threadedly coupled
On the lateral wall of backing strap circle, such plastic washer is with regard to fixed, then the inner face of plastic washer will be resisted against card always
On the outer end face of circle, thus retainer ring remains stationary as, and lock nut is also fixed, then each valve body will remain and close up shape
State realizes the loose joint function of fast inserting structure.
In above-mentioned quick connector, the plastic washer side is provided through cut, in the plastic washer
Side is circumferentially arranged with collar flange.
In plastic washer side through setting cut, when lock nut is threadedly coupled so that lock nut madial wall squeezes plastic washer
When lateral wall, plastic washer will be inwardly formed contraction by cut, and due to circumferentially arranged ring-type on the inside of plastic washer
Flange, then collar flange after pipe fitting is inserted on the inside of plastic washer can also be embraced on the outside of pipe fitting and play certain fixed work
With.
In above-mentioned quick connector, the outer end face of each arc protrusion is circumferentially arranged with several recesses, in the lock nut
End face is identical as recess circumferentially arranged with quantity and one-to-one salient point, salient point are embedded in corresponding recess, each arc protrusion
Outside be equipped with clamp port for being connected with extracting tool.
After lock nut is threaded on lock ring, the salient point on lock nut is embedded into corresponding recess, thus needs to pacify
Extracting tool is connected on the clamp port of each arc protrusion external ear and could spin down lock nut from lock ring by dress personnel, sets in this way
The main purpose set is not allow lock nut that can optionally be screwed off or be loosened under without outer force effect.Due to lock ring be by
What each valve body was combined into, it is entirely the threaded connection of dependence and lock nut and each valve body is made to be close together, once lock nut and lock ring
Between threaded connection occur loosening and may draw the separation of each valve body, occur loosening between connecting pin so as to cause taking over and
It causes leakage or pipe fitting to be detached from problem, loose joint is realized being combined into lock ring using each valve body and connects the same of different size pipe fitting
When ensure that the stability used.
In above-mentioned quick connector, circumferentially arranged with several observation panels on the outside of the lock nut, lock ring is convex in each arc
Identical as observation panel quantity and one-to-one notch is formed between piece, the notch is oppositely arranged with corresponding observation panel,
Each external end of valve is equipped with the arc blocking portion of protrusion along internal perisporium.
When pipe is not inserted into, due to the presence of notch, installation personnel can see arc blocking portion through observation panel
In the presence of；After pipe is inserted into, installation personnel can see tube end through observation panel and be resisted against on arc blocking portion, that is,
Say that the setting by observation panel, notch and arc blocking portion makes installation personnel be apparent which pipe has been inserted into
A position avoids pipe from inserting too deep or excessively shallow.
In above-mentioned quick connector, the ontology is T-shaped three-way body, on each connecting pin of the ontology
Equipped with it is above-mentioned take over, lock ring, retainer ring and lock nut.
Set ontology to T-shaped three-way body, there are three connecting pins for three-way body tool, are respectively provided with and connect on each connecting pin
Pipe, lock ring, retainer ring and lock nut, taking over and can individually be replaced on each connecting pin, greatly expand this fast grafting
The applicability of head, such as three connecting pins are all connected with pipe fitting that internal diameter be 16 or to connect internal diameter be 16 for one of connecting pin
Pipe fitting, another two connecting pin connects the pipe fitting that internal diameter is 18, also or using three connecting pins connects three internal diameters not phase
Deng pipe fitting etc..
Compared with prior art, this quick connector on the outside of connecting pin by being arranged the lock ring that can rotate and by lock nut spiral shell
Line is connected on lock ring so that ontology can be rotated relative to the pipe fitting connected, that is to say, that this fast inserting structure
Have loose joint function, ensures that ontology can preferably be connect with each pipe fitting with this；Meanwhile by the way that lock ring is arranged
To be combined by least two valve bodies so that installation personnel can be replaced with butt tube, this quick connector is made to be changed without ontology
In the case of be applicable in different size pipe fitting it is fast insert.
In addition, after pipe is inserted into, installation personnel can see tube end through observation panel and be resisted against arc blocking portion
On, that is to say, that make installation personnel be apparent that pipe by the setting of observation panel, notch and arc blocking portion
It has been inserted into which position, pipe is avoided to insert too deep or excessively shallow.
Description of the drawings
Fig. 1 is the schematic diagram of this quick connector.
Fig. 2 is the partial exploded view of this quick connector.
Fig. 3 is the partial exploded view of another angle of this quick connector.
Fig. 4 is the sectional view of this quick connector.
Fig. 5 is the sectional view of lock ring in this quick connector.
Fig. 6 is the schematic diagram after lock ring fractionation in this quick connector.
Fig. 7 is schematic diagram when single valve body is coated on connecting pin in this quick connector.
Fig. 8 A are the schematic diagrames between lock nut and lock ring in this quick connector.
Fig. 8 B are schematic diagrames when lock nut is separated with lock ring in this quick connector.
In figure, 1, ontology；1a, connecting pin；1a1, annular convex shoulder；1a2, annular groove；2, it takes over；2a, cyclic annular shoulder block；3、
Lock nut；3a, observation panel；3b, salient point；4, lock ring；4a, valve body；4a1, arc groove；4a2, arc clamping portion；4a3, external screw thread；
4a4, arc protrusion；4a41, recess；4a42, clamp port；4a5, arc locating plate；4a6, arc lug；4a7, arc blocking
Portion；4b, annular groove；4c, notch；5, retainer ring；5a, latch；6, plastic washer；6a, cut；6b, collar flange；7, sealing ring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of quick connector includes the ontology 1 at least two connecting pin 1a,
Take over 2 is inserted at least one connecting pin 1a, 2 inner end of take over is inserted into the 1a of connecting pin, is equipped in the outside of 2 inner end of take over close
Seal 7, the outsides connecting pin 1a are connected with lock nut 3, and 2 outer end of take over is stretched into lock nut 3 and is equipped in the outside of 2 outer end of take over close
Seal 7 is equipped with the retainer ring 5 for fixing pipe fitting between take over 2 and lock nut 3.
As shown in Figure 2, Figure 3 and Figure 4, specifically, the outside of take over 2 is equipped with cyclic annular shoulder block 2a, the end of connecting pin 1a
Outside is equipped with annular convex shoulder 1a1, and the end face of the outer end face and connecting pin 1a of annular convex shoulder 1a1 is flush, and cyclic annular shoulder block 2a's is interior
End face and the outer end face of annular convex shoulder 1a1 lean.Connecting pin 1a is externally provided with the lock ring 4 that can be rotated, and 4 inside of lock ring is equipped with ring
Shape slot 4b, cyclic annular shoulder block 2a and annular convex shoulder 1a1 are respectively positioned in annular groove 4b.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, lock ring 4 is combined by least two valve body 4a, and each valve body 4a is arc-shaped,
The inside of each valve body 4a forms annular groove 4b circumferentially arranged with arc groove 4a1 between each arc groove 4a1, cyclic annular shoulder block 2a's
The one side wall of outer end face and each arc groove 4a1 leans, another side wall of the inner face of annular convex shoulder 1a1 and each arc groove 4a1
It leans.Inner face of the outside of connecting pin 1a equipped with annular groove 1a2, each valve body 4a and close inner face on arc groove 4a1
One side wall between to form the annular that the arc clamping portion 4a2 of arc clamping portion 4a2, each valve body 4a is stuck on the outside of the 1a of connecting pin recessed
In slot 1a2.Cyclic annular shoulder block 2a and annular convex shoulder 1a1 is respectively positioned on each arc groove 4a1 and is formed by annular groove 4b, and annular convex shoulder
The inner face of 1a1 and the one side wall of each arc groove 4a1 lean, and the outer end face of cyclic annular shoulder block 2a is another with each arc groove 4a1's
Side wall leans.External screw thread 4a3 is equipped on the outside of each outer ends valve body 4a, lock ring 4 passes through the external screw thread 4a3 on the outside of each valve body 4a
And it is threadedly coupled with 3 inner end of lock nut.
As shown in Fig. 6, Fig. 8 A and Fig. 8 B, circumferentially wall is equipped with arc protrusion 4a4, each arc protrusion for each inner ends valve body 4a
For the outer end face of 4a4 circumferentially arranged with several recess 4a41,3 inner face of lock nut is identical as recess 4a41 circumferentially arranged with quantity and one
One corresponding salient point 3b, 3 inner face of lock nut are resisted against on the outer end face of each arc protrusion 4a4, and each salient point 3b insertions are corresponding recessed
In mouth 4a41, and the clamp port 4a42 for being connected with extracting tool is equipped in the outside of each arc protrusion 4a4.
After lock nut 3 is threaded on lock ring 4, the salient point 3b on lock nut 3 is embedded into corresponding recess 4a41, in this way
Just needing installation personnel that extracting tool is connected on the clamp port 4a42 of each arc protrusion 4a4 external ears could be by lock nut 3 from lock
It is spun down on ring 4, the main purpose being arranged in this way is not allow lock nut 3 that can optionally be screwed off or be gone out under without outer force effect
Now loosen.It is entirely so that each valve body 4a is closed by the threaded connection with lock nut 3 since lock ring 4 is combined by each valve body 4a
Hold together together, once the threaded connection appearance loosening between lock nut 3 and lock ring 4 may draw each valve body 4a and detach, to
Cause to occur loosening between take over 2 and connecting pin 1a and leakage or pipe fitting is caused to be detached from problem.
As shown in Figure 4, Figure 5 and Figure 6, it is equipped with arc locating plate 4a5 on the outer end face of each valve body 4a and is positioned in arc
The outer end face of piece 4a5 is located at equipped with arc lug 4a6, each arc locating plate 4a5 on same circumference, each arc lug 4a6
In on same circumference, 5 inner end of retainer ring is sleeved on each arc lug 4a6, and the inner face of retainer ring 5 is resisted against each arc locating plate 4a5
Outer end face on.Several intilted latch 5a, arc locating plate 4a5 are distributed along the circumference on the inside of the external port of retainer ring 5
Inclined blocking surface is equipped between madial wall and arc lug 4a6 madial walls, between the inner face and each blocking surface of each latch 5a
Equipped with the space deformed downwards for each latch 5a.
As shown in Figure 8 A and 8 B, 3 outside of lock nut is circumferentially arranged with several observation panel 3a, and lock ring 4 is in each arc lug 4a6
Between form and one-to-one notch 4c, each notch 4c and corresponding observation panel 3a identical with observation panel 3a quantity with respect to setting
It sets, each outer ends valve body 4a are equipped with the arc blocking portion 4a7 of protrusion along internal perisporium.When pipe is not inserted into, due to notch 4c
Presence, installation personnel can see the presence of arc blocking portion 4a7 through observation panel 3a；After pipe is inserted into, installation personnel
Tube end is can see through observation panel 3a to be resisted against on arc blocking portion 4a7, that is to say, that pass through observation panel 3a, notch 4c
And the setting of arc blocking portion 4a7 so that installation personnel is apparent which position pipe has been inserted into.
Plastic washer 6 is additionally provided between take over 2 and lock nut 3, the lateral wall of the madial wall and plastic washer 6 of lock nut 3 is
The madial wall of the conical surface, lock nut 3 is resisted against on the lateral wall of plastic washer 6, and the inner face of plastic washer 6 is resisted against retainer ring 5
On outer end face, the side of plastic washer 6 is provided through cut 6a, and the inside of plastic washer 6 is circumferentially arranged with collar flange 6b.
Ontology 1 in the present embodiment is specifically configured to T-shaped three-way body, that is, there are three connecting pin 1a for tool, each
It is equipped with take over 2, lock ring 4, retainer ring 5, plastic washer 6 and lock nut 3 on the 1a of connecting pin, when assembling this quick connector, will connect
2 inner end of pipe is inserted into the connecting pin 1a of ontology 1, and the cyclic annular shoulder block 2a in 2 outside of take over is resisted against the convex annular on the outside of the 1a of connecting pin
On shoulder 1a1, then each valve body 4a is coated on the outside of the connecting pin 1a of ontology 1 and is combined into lock ring 4, at this time annular convex shoulder 1a1 with
Cyclic annular shoulder block 2a is respectively positioned in the annular groove 4b of each arc groove 4a1 compositions, and thus take over 2 is just fixed together with connecting pin 1a.
Then the inner end of retainer ring 5 is sleeved on the arc lug 4a6 of each valve body 4a, then plastic washer 6 is placed on retainer ring 5, most
3 inner end of lock nut is threaded in by external screw thread 4a3 on the outside of each outer ends valve body 4a on lock ring 4 afterwards, valve body 4a each in this way
It will be close together and can not separate.
In use, pipe fitting is inserted into the gap between lock nut 3 and take over 2, pipe fitting can pass through plastic washer 6 and retainer ring
5, each latch 5a on retainer ring 5 can be stung makes pipe fitting that can not be pulled out in pipe fitting side, and such pipe fitting just connects completion.And
Circumferentially arranged with collar flange 6b, plastic washer 6 can be inserted into contract in pipe fitting 6 inside of plastic washer when lock nut 3 screws
When the inside of plastic washer 6 collar flange 6b can also embrace and play the role of certain fixation pipe fitting on the outside of pipe fitting.
Since lock ring 4 is combined by each valve body 4a, and the annular convex shoulder 1a1 on the outside of the connecting pin 1a of ontology 1 is located at respectively
In the annular groove 4b that arc groove 4a1 on the inside of valve body 4a is formed, therefore ontology 1 can be rotated relative to lock ring 4, ontology
1 also can just represent ontology 1 relative to the rotation of lock ring 4 to be rotated relative to the pipe fitting connected.Namely
Say that this fast inserting structure has loose joint function, after pipe fitting connects, if the angle of another connecting pin 1a is paid no attention on ontology 1
Think, especially when ontology 1 is that there are three when the three-way body of connecting pin 1a, be particularly easy to the undesirable feelings of connection angle occur for tool
Condition, at this time installation personnel can be adjusted by rotating ontology 1, ensure that ontology 1 can be carried out with each pipe fitting with this
Ideal connection.
For theoretically, the pipe fitting specification that each quick connector can be inserted soon is unified, this is because on ontology 1
Take over 2 can not be replaced, it can only be just one that take over 2, which can not be replaced the pipe fitting so to match with 2 outer end bore of take over,
Kind specification.And in this fast inserting structure, be also due to lock ring 4 is combined by each valve body 4a, when the pipe fitting specification to be connected
When different, installation personnel can screw off lock nut 3, and lock ring 4 loses the limitation of lock nut 3 and is in removable isloation state, pacifies in this way
Dress personnel can directly remove each valve body 4a for being combined into lock ring 4 from ontology 1.
After each valve body 4a is removed from ontology 1, original take over 2 can directly remove from ontology 1, then change outer end
With with the take over 2 of the pipe fitting matching bore of required connection and the lock ring 4, retainer ring 5, the plastic washer 6 that match with the take over 2
And lock nut 3, thus this quick connector can be made to be applicable in the fast of different size pipe fitting in the case where being changed without ontology 1
It inserts.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of quick connector, including there is the ontology (1) of at least two connecting pins (1a), at least one connecting pin (1a) interpolation
Equipped with (2) are taken over, takes on the outside of (2) and be equipped with cyclic annular shoulder block (2a) and cyclic annular shoulder block (2a) inner face is resisted against connecting pin (1a)
On end face, it is connected with lock nut (3) on the outside of the connecting pin (1a), (2) outer end is taken over and stretches into lock nut (3), take over (2) and lock nut
(3) it is equipped with retainer ring (5) for fixing pipe fitting between, which is characterized in that the connecting pin (1a) is externally provided with and can rotate
Lock ring (4) and lock ring (4) is combined by least two valve bodies (4a) is equipped with annular groove (4b), the connecting pin on the inside of lock ring (4)
It is stretched into annular groove (4b) with cyclic annular shoulder block (2a) on the outside of (1a), described lock nut (3) inner end is threaded in lock ring (4) outside
Side.
2. quick connector according to claim 1, which is characterized in that each valve body (4a) is arc-shaped, each valve body (4a)
Circumferentially arranged with arc groove (4a1), each arc groove (4a1) forms above-mentioned annular groove (4b), the connecting pin (1a) for inside
Outside is equipped with annular convex shoulder (1a1), and the outer end face of annular convex shoulder (1a1) and the inner face of cyclic annular shoulder block (2a) lean, annular
The inner face of convex shoulder (1a1) and the one side wall of each arc groove (4a1) lean, outer end face and each arc groove of cyclic annular shoulder block (2a)
Another side wall of (4a1) leans.
3. quick connector according to claim 2, which is characterized in that be equipped with annular groove on the outside of the connecting pin (1a)
(1a2) forms arc clamping portion on the inner face and arc groove (4a1) of each valve body (4a) between the one side wall of inner face
The embedded annular groove (1a2) in arc clamping portion (4a2) of (4a2), each valve body (4a) are interior.
4. quick connector according to claim 3, which is characterized in that be equipped with external screw thread on the outside of each valve body (4a) outer end
(4a3), circumferentially side is equipped with arc protrusion (4a4) for each valve body (4a) inner end, and lock ring (4) passes through outer on the outside of each valve body (4a)
Screw thread (4a3) and be threadedly coupled with lock nut (3), and lock nut (3) inner face is resisted against on the outer end face of each arc protrusion (4a4).
5. quick connector according to claim 4, which is characterized in that it is fixed to be equipped with arc on the outer end face of each valve body (4a)
Bit slice (4a5) and arc lug (4a6) is equipped on the outer end face of arc locating plate (4a5), each arc locating plate (4a5) is located at
On same circumference, each arc lug (4a6) is located on same circumference, is evenly distributed on the inside of the retainer ring (5) external port
There are several intilted latches (5a), retainer ring (5) inner end is sleeved on each arc lug (4a6) and the inner face of retainer ring (5) supports
On the outer end face for leaning against each arc locating plate (4a5).
6. quick connector according to claim 5, which is characterized in that described taking between (2) and lock nut (3) is additionally provided with
Plastic washer (6), the madial wall of lock nut (3) and the lateral wall of plastic washer (6) are the conical surface, the madial wall of lock nut (3) against
On the lateral wall of plastic washer (6), and the inner face of plastic washer (6) is resisted against on the outer end face of retainer ring (5).
7. quick connector according to claim 6, which is characterized in that described plastic washer (6) side is provided through
Cut (6a), the plastic washer (6) inside is circumferentially arranged with collar flange (6b).
8. the quick connector described according to claim 4 or 5 or 6 or 7, which is characterized in that the outer end face of each arc protrusion (4a4)
Circumferentially arranged with several recesses (4a41), the lock nut (3) inner face it is identical as recess (4a41) circumferentially arranged with quantity and
One-to-one salient point (3b), the embedded corresponding recess (4a41) of salient point (3b) is interior, and the outside of each arc protrusion (4a4), which is equipped with, to be used
In the clamp port (4a42) being connected with extracting tool.
9. according to the quick connector described in claim 5 or 6 or 7, which is characterized in that circumferentially set on the outside of the lock nut (3)
There are several observation panels (3a), lock ring (4) to form and a pair identical as observation panel (3a) quantity between each arc lug (4a6)
The notch (4c) answered, the notch (4c) are oppositely arranged with corresponding observation panel (3a), and each valve body (4a) outer end is along interior
Peripheral wall is equipped with the arc blocking portion (4a7) of protrusion.
10. quick connector according to claim 1, which is characterized in that the ontology (1) is T-shaped three-way body, institute
It is equipped on each connecting pin (1a) of the ontology (1) stated and above-mentioned takes over (2), lock ring (4), retainer ring (5) and lock nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650426.XA CN108626504A (en) | 2018-06-22 | 2018-06-22 | A kind of quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650426.XA CN108626504A (en) | 2018-06-22 | 2018-06-22 | A kind of quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108626504A true CN108626504A (en) | 2018-10-09 |
Family
ID=63692010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810650426.XA Pending CN108626504A (en) | 2018-06-22 | 2018-06-22 | A kind of quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626504A (en) |
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| CN109494495A (en) * | 2018-10-29 | 2019-03-19 | 洪宝惜 | Network signal piecing devices |
| CN109658786A (en) * | 2018-12-19 | 2019-04-19 | 华北水利水电大学 | A kind of simple hydrodynamic calculations equipment |
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