CN220268760U - Quick-connect fitting for pipe and insert assembly thereof - Google Patents
Quick-connect fitting for pipe and insert assembly thereof Download PDFInfo
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- CN220268760U CN220268760U CN202321914375.XU CN202321914375U CN220268760U CN 220268760 U CN220268760 U CN 220268760U CN 202321914375 U CN202321914375 U CN 202321914375U CN 220268760 U CN220268760 U CN 220268760U
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- clamp spring
- hole part
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- 210000001503 joint Anatomy 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000002262 irrigation Effects 0.000 abstract description 2
- 238000003973 irrigation Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The quick-connection joint for the pipeline comprises a pipe taking bush, an outer clamping sleeve, an inner clamping sleeve, an annular clamping spring and a gasket, wherein the inner side of the outer clamping sleeve is provided with a pipe taking bush limiting step and an annular clamping spring limiting step; an anti-pull-off boss is further arranged on the outer side of the outer clamping sleeve; the inner side of the inner clamping sleeve is provided with an inward convex small circular ring limiting bulge, the outer side of the inner clamping sleeve is provided with an outward convex mounting spigot, and one side of the mounting spigot, which is far away from the small circular ring limiting bulge, is provided with a butt joint part which extends into the third hole part to butt joint with the outer clamping sleeve; the gasket and the clamp spring are arranged between the butt joint part and the annular clamp spring limiting step. The utility model can be used for installing plastic pipelines in a direct-insertion mode, can be applied to the fields of civil water supply, agricultural irrigation and special fluid delivery, and has the advantages of environmental protection, durability, reliable connection, wide application range and the like.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a pipeline quick-connection joint and an insert assembly thereof.
Background
At present, when plastic pipelines are paved in the building material industry at home and abroad, flange connection, fusion welding, clamping and pressing type connection, chemical solvent bonding and other methods are commonly adopted among the pipelines. The flange connection, fusion welding and cutting sleeve type connection can be finished by auxiliary tools and special installation or heating tools in most cases, and the method is labor-saving and time-consuming; chemical solvents with pungent smell are often adopted for chemical solvent bonding, and corrode contact surfaces of pipeline pipes, so that certain pollution is caused to conveying media and external environments. Therefore, a plastic pipe quick connect fitting or method that is environmentally friendly, time-saving and labor-saving without the aid of installation tools is particularly desirable.
In view of this, the present application is specifically proposed.
Disclosure of Invention
The utility model aims to provide an insert component for a pipeline quick-connection joint and the pipeline quick-connection joint, which can solve the problem that common pipeline pipe fittings are connected by means of heating tools, installation tools, chemical auxiliary agents and other 'third party' tools and cannot be directly used for pipeline connection by hands.
Embodiments of the present utility model are implemented as follows:
in a first aspect, the utility model provides an insert assembly for a quick-connect coupling for a pipe, comprising a pipe taking bushing, an outer clamping sleeve, an inner clamping sleeve, an annular clamping spring and a gasket, wherein,
the inner side of the outer clamping sleeve is provided with a first hole part, a second hole part and a third hole part in sequence along the axial direction, the diameters of the first hole part, the second hole part and the third hole part are gradually increased, a pipe taking bushing limiting step is formed at the joint of the first hole part and the second hole part, and an annular clamp spring limiting step is formed at the joint of the second hole part and the third hole part; an anti-pull-off boss is further arranged on the outer side of the outer clamping sleeve;
the inner side of the inner clamping sleeve is provided with an inward convex small circular ring limiting bulge, the outer side of the inner clamping sleeve is provided with an outward convex mounting spigot, and one side of the mounting spigot, which is far away from the small circular ring limiting bulge, is provided with a butt joint part which extends into the third hole part to butt joint with the outer clamping sleeve;
the gasket is arranged between the butt joint part and the annular clamp spring limiting step, the largest outer edge of the annular clamp spring is propped between the gasket and the annular clamp spring limiting step, the inner diameter of the annular clamp spring close to the smallest inner edge is smaller than that of the pipe taking bushing, the annular clamp spring is inclined towards the direction close to the inner clamping sleeve close to the smallest inner edge, the pipe taking bushing is arranged on one side of the annular clamp spring away from the inner clamping sleeve, a limiting part matched with the pipe taking bushing limiting step is arranged on the pipe taking bushing, and a propping part propped against one side of the annular clamp spring close to the smallest inner edge is arranged on one side of the annular clamp spring.
In an alternative embodiment, a positioning boss is arranged on the end face of the outer clamping sleeve, which is close to the first hole part.
In an alternative embodiment, the outer diameter of the positioning boss is smaller than the outer diameter of the outer cutting sleeve where the positioning boss is located.
In an alternative embodiment, the inner side of the butt joint part is provided with a concave large circular ring step, the large circular ring step and the gasket form an annular groove for accommodating the sealing ring, and the sealing ring is arranged in the annular groove.
In an alternative embodiment, an annular groove is arranged on the outer side of the inner clamping sleeve, and an insert sealing ring is arranged in the annular groove.
In an alternative embodiment, a bearing platform structure is arranged on the inner side of the inner clamping sleeve, and the bearing platform structure is arranged at one end of the inner clamping sleeve, which is far away from the outer clamping sleeve.
In an alternative embodiment, the outer diameter of the pressing portion gradually decreases in a direction approaching the annular clamp spring.
In a second aspect, the present utility model provides a pipe quick connector, including a pipe main body, in which the insert assembly for a pipe quick connector according to any one of the foregoing embodiments is disposed.
In an alternative embodiment, each of the pipe fitting bodies includes two or more of the pipe quick connect coupling insert assemblies.
In an alternative embodiment, the pipe fitting connecting device further comprises an inner bushing, wherein the inner bushing comprises an extending part used for extending into the pipe fitting to be connected, the extending part extends to the inner side of the annular clamp spring, and one end of the extending part is provided with an outer protruding limiting platform which can be matched with the small annular limiting protrusion.
The embodiment of the utility model has the beneficial effects that:
the utility model can be used for installing plastic pipelines in a direct-insertion mode, can be applied to the fields of delivering civil water supply, agricultural irrigation and special fluid, and has the advantages of environmental protection, durability, reliable connection, wide application range and the like; secondly, the utility model can realize the connection between plastic pipelines with different materials, and is practical, fast, convenient and reliable; the pipeline joint and the used insert component can be injection molded, and the wall thickness of the product is uniform and single, and the whole is firm.
Compared with the traditional nut type quick connecting pipe fitting, the nut type quick connecting pipe fitting has the advantages that the manufacturing procedures such as screw thread assembly and the like are omitted, the production period is shortened, the material and manufacturing cost are reduced, the risk of loosening and falling off of the nut is avoided, obvious product advantages are achieved, and popularization and use are facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a pipe quick connector insert assembly according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of an outer ferrule according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of an inner ferrule according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a pipe bushing according to an embodiment of the present utility model; fig. 5 is a schematic structural view of a pipe quick connector according to an embodiment of the present utility model.
1-taking a pipe bushing; 2-an outer ferrule; 3-annular clamp springs; 4-a gasket; 5-a sealing ring; 6-an inner cutting sleeve; 7-an insert seal ring; 8-a tube body; 9-an inner liner;
a-positioning boss; b-a first hole portion; c-a second hole portion; d-a third hole portion; e-sealing the glue plane; f-anti-pull-off bosses; h-large circular ring steps; i-small circular ring limiting protrusions; j-mounting a spigot; a k-cap structure; l-annular grooves; an m-limit part; n-pressing part.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1 to 4, the present embodiment provides an insert assembly for a quick-connect coupling of a pipe, which includes a pipe taking bushing 1, an outer ferrule 2, an inner ferrule 6, an annular clamp spring 3 and a gasket 4, wherein,
the inner side of the outer clamping sleeve 2 is provided with a first hole part, a second hole part c and a third hole part d in sequence along the axial direction, the diameters of the first hole part b, the second hole part c and the third hole part d are gradually increased, a limiting step of the pipe taking bush 1 is formed at the joint of the first hole part b and the second hole part c, and a limiting step of the annular clamp spring 3 is formed at the joint of the second hole part c and the third hole part d; an anti-pull-off boss f is further arranged on the outer side of the outer clamping sleeve 2;
the inner side of the inner clamping sleeve 6 is provided with an inward convex small circular ring limiting protrusion i, the outer side of the inner clamping sleeve 6 is provided with an outward convex mounting spigot j, and one side of the mounting spigot j away from the small circular ring limiting protrusion i is provided with a butt joint part which extends into the third hole part d to butt joint with the outer clamping sleeve 2;
the gasket 4 is arranged between the butt joint part and the limit step of the annular clamp spring 3, the largest outer edge of the annular clamp spring 3 is propped between the gasket 4 and the limit step of the annular clamp spring 3, the inner diameter of the annular clamp spring 3 close to the smallest inner edge is smaller than the inner diameter of the pipe taking bushing 1, the annular clamp spring 3 is inclined towards the direction close to the inner clamping sleeve 6 close to the smallest inner edge, the pipe taking bushing 1 is arranged on one side of the annular clamp spring 3 away from the inner clamping sleeve 6, a limit part m matched with the limit step of the pipe taking bushing 1 is arranged on the pipe taking bushing 1, and a propping part n propped against the annular clamp spring 3 close to the smallest inner edge is arranged on one side of the limit part m close to the annular clamp spring 3.
Between the first hole portion b, the second hole portion c and the third hole portion d of the outer clamping sleeve 2 in the application, the inner diameter drop between adjacent holes forms a spacing step of the pipe taking bush 1 and a spacing step of the annular clamp spring 3, and the pipe taking bush 1 and the clamp spring can be prevented from axially falling off in sequence.
The inner side of the inner clamping sleeve 6 is provided with the small annular limiting protrusion i which is internally convex, so that the insertion depth of the pipe fitting to be connected can be limited; the external diameter of butt joint portion and the internal diameter looks adaptation of third hole portion d for the butt joint portion can stretch into outer cutting ferrule 2 and outer cutting ferrule 2 butt joint, and installation tang j is used for restricting the depth of stretching into of butt joint portion, plays the effect that the installation was terminated, also accessible set up modes such as back-off, screw thread or welding between here butt joint portion and the third hole portion d and connect fixedly.
In this embodiment, annular jump ring 3 and packing ring 4 set up in third hole portion d inboard to restrict and take place axial removal between cutting ferrule 6 and the spacing step of annular jump ring 3, outer cutting ferrule 2 first hole portion internal diameter and get tub bush 1 external diameter looks adaptation, get tub bush 1 spacing step and annular jump ring 3 cooperation, avoid getting tub bush 1 and take place axial removal. In the embodiment, the largest outer edge of the annular clamp spring 3 is propped between the gasket 4 and the limiting step of the annular clamp spring 3, the part close to the smallest inner edge is inclined towards the direction close to the inner clamping sleeve 6, and the propping part n is propped against the part close to the smallest inner edge; preferably, the annular clamp springs 3 are uniformly distributed jaw-type hard metal clamp springs, and are made of hard rust-proof metal, such as stainless steel, so that the elastic modulus is high, the rust-proof function is good, the service life and reliability of the product can be improved, and the drawing resistance of the pipe is improved.
In this embodiment, the inner diameter of the pipe taking bush 1 and the inner diameter of the inner clamping sleeve 6 are both matched with the outer diameter of the pipe fitting to be connected. The outer side of the outer clamping sleeve 2 in the embodiment is provided with an anti-pull-off boss f, the outer side of the inner clamping sleeve 6 is provided with an outward protruding mounting spigot j, and after the plastic coating material is formed by secondary injection molding, the anti-pull-off boss f and the mounting spigot j are matched with the plastic coating material, so that the inner clamping sleeve 6 and the outer clamping sleeve 2 can be prevented from being separated.
In some embodiments, a positioning boss a is arranged on the end face, close to the first hole portion, of the outer clamping sleeve 2, so that the insert component is placed into the die to perform secondary injection molding, and the component is prevented from shaking in the injection molding process.
In some embodiments, the outer diameter of the positioning boss a is smaller than the outer diameter of the outer clamping sleeve 2 where the positioning boss a is located, that is, a space capable of forming a sealing glue plane e with the plastic subjected to secondary injection molding is reserved on the end face of the outer clamping sleeve 2 where the positioning boss a is arranged.
In some embodiments, a concave large circular ring step h is arranged on the inner side of the butt joint part, the large circular ring step h and the gasket 4 form an annular groove for accommodating the sealing ring 5, and the sealing ring 5 is arranged in the annular groove. The diameter of the groove bottom of the annular groove is equivalent to the outer diameter of the sealing ring 5, an installation and compression accommodating space is provided for the sealing ring 5, the inner diameter of the sealing ring 5 can be properly smaller than the outer diameter of a pipe fitting to be connected, and the sealing ring 5 can play a role in sealing after the pipe fitting to be connected is inserted. Specifically, the cross section of the seal ring 5 may be circular or irregular.
In some embodiments, an annular groove l is arranged on the outer side of the inner clamping sleeve 6, and an insert sealing ring 7 is arranged in the annular groove l. The diameter of the groove bottom is equal to the inner diameter of the insert sealing ring 7, and an installation accommodating space is provided for the insert sealing ring 7. The outer diameter of the insert sealing ring 7 can be properly larger than the outer diameter of the inner clamping sleeve 6, and the insert sealing ring can play a role in sealing after secondary injection molding. Specifically, the cross section of the insert seal ring 7 may be circular or irregular.
In some embodiments, a bearing platform structure k is provided inside the inner ferrule 6, said bearing platform structure k being provided at the end of the inner ferrule 6 remote from the outer ferrule 2. The coating material in the secondary injection molding process can be contained, and more reliable radial stress is provided for bearing the product.
In some embodiments, the outer diameter of the pressing portion n gradually decreases in a direction approaching the annular clamp spring.
Second embodiment
The present embodiment provides a pipe quick connector, as shown in fig. 5, including a pipe main body 8, in which the pipe main body 8 is provided with the insert assembly for a pipe quick connector according to any one of the foregoing embodiments.
The pipe fitting main body 8 in this embodiment may be made of general-purpose plastic resin, and may be made of, but not limited to, PE, PP-R, PVC, ABS, PB, POM, PA, etc. plastics, and is obtained by an integral injection molding process, and the integral injection molded body has a firm and durable structure and an attractive appearance.
The quick-connection joint for the pipeline is obtained by pre-assembling an insert component for the quick-connection joint for the pipeline, then placing the insert component into a mold, and performing secondary injection molding encapsulation to complete the molding of the pipe fitting main body 8.
When the pipeline quick connector is used, a pipeline to be connected can be directly inserted into the through hole in the middle of the insert component, and the annular clamp spring 3 is inclined towards the direction close to the inner clamping sleeve 6 at the position close to the minimum inner edge, so that the pipeline with the connection cannot be subjected to too large resistance when being inserted; however, if the pipe to be connected is to be pulled out, the friction force between the position of the annular clamp spring 3 close to the minimum inner edge and the surface of the pipe to be connected can be increased, the position of the annular clamp spring 3 close to the minimum inner edge can deform in the direction away from the inner clamp sleeve 6 under the action of the pipe to be connected, the pressing part n can obstruct the deformation of the annular clamp spring 3 on the one hand, and on the other hand, the pressing part n can deform under the action of the clamp spring to increase the clamping force of the pressing part n on the pipe to be connected, so that the pulling difficulty of the pipe to be connected is increased, and the risk that the pipe to be connected is separated from the quick-connection joint of the pipe to be connected is reduced or avoided.
In some embodiments, each of the pipe bodies 8 includes more than two of the pipe quick connect coupling insert assemblies.
The axial angle between more than two insert assemblies in the quick-connection joint of the pipeline can be adjusted, and then secondary injection molding encapsulation is carried out; the outer diameters of the connecting pipelines matched with more than two insert components can be independently set and selected without mutual influence; the number of the insert assemblies corresponding to each pipe fitting main body 8 is not limited as long as the space and the equipment are enough, so the pipe quick connector in the embodiment can be applied to, but is not limited to, straight-through (equal/different diameter), elbow (equal/variable diameter), tee (equal/variable diameter), four-way (equal/variable diameter); straight through (equal/variable diameter) of internal/external screw threads, elbow (equal/variable diameter) of internal/external screw threads, tee joint (equal/variable diameter) of internal/external screw threads and a bridge-crossing four-way joint; quick-plug valve, quick-plug, quick-plug tap, quick-plug duplex seat and quick-plug filter.
In some embodiments, the pipe fitting connecting device further comprises an inner bushing 9, wherein the inner bushing 9 comprises an extending part used for extending into the pipe fitting to be connected, the extending part extends to the inner side of the annular clamp spring 3, and one end of the extending part is provided with an outer protruding limiting platform capable of being matched with the small annular limiting protrusion i.
In this embodiment, when waiting to connect the pipe wall of pipeline to warp easily, then can the indent when receiving annular jump ring 3's extrusion effect to increase waiting to connect the risk that breaks away from between pipeline and the joint, consequently can set up inner liner 9, inner liner 9 play the supporting role of waiting to connect the pipeline in waiting to connect the pipeline inboard, avoid waiting to connect the pipeline to take place deformation when receiving annular jump ring 3's extrusion effect, thereby increase the degree of difficulty of waiting to connect to break away from between pipeline and the joint.
The pipe quick connector in the application has the following advantages:
the structure and the installation procedure of the existing quick-insertion pipe fitting product are simplified, a thread clamping and pressing structure is not used any more, and a torque wrench and other tools are not needed during installation; the number of the sealing rings 5 or the sealing rubber gaskets is reduced, and the purpose of no water leakage can be achieved by only using one sealing ring 5; a sealing ring 5 is added between the insert and the body, so that the pressure bearing capacity of the pipe fitting is improved; the clamping jaw type hard metal clamping springs which are uniformly distributed are used, so that the clamping force is larger, the anti-falling effect is better, and the drawing resistance between pipe fittings of the pipe is improved;
when the pipe fitting is installed, the pipe to be connected is only required to be aligned with the joint opening part and pushed by force, and the pipe is inserted into the bottom of the pipe fitting socket, so that the installation is very convenient;
by adopting the connection technology of the joint, the interconnection between plastic pipelines made of different materials such as polypropylene, polyethylene, polybutylene, polyvinyl chloride, heat-resistant polyethylene, crosslinked pipes and the like can be realized by methods such as direct insertion mechanical connection, and the like, so that the construction is easy, and the practicability is extremely strong;
by adopting the product manufacturing technology, besides the clamp spring adopts a stamping process, other parts can be finished through injection molding, so that quick production and automatic production can be realized, subsequent processing is not needed, the cost is saved, and the production efficiency is improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An insert component for a pipeline quick-connection joint is characterized by comprising a pipe taking bushing, an outer clamping sleeve, an inner clamping sleeve, an annular clamping spring and a gasket, wherein,
the inner side of the outer clamping sleeve is provided with a first hole part, a second hole part and a third hole part in sequence along the axial direction, the diameters of the first hole part, the second hole part and the third hole part are gradually increased, a pipe taking bushing limiting step is formed at the joint of the first hole part and the second hole part, and an annular clamp spring limiting step is formed at the joint of the second hole part and the third hole part; an anti-pull-off boss is further arranged on the outer side of the outer clamping sleeve;
the inner side of the inner clamping sleeve is provided with an inward convex small circular ring limiting bulge, the outer side of the inner clamping sleeve is provided with an outward convex mounting spigot, and one side of the mounting spigot, which is far away from the small circular ring limiting bulge, is provided with a butt joint part which extends into the third hole part to butt joint with the outer clamping sleeve;
the gasket is arranged between the butt joint part and the annular clamp spring limiting step, the largest outer edge of the annular clamp spring is propped between the gasket and the annular clamp spring limiting step, the inner diameter of the annular clamp spring close to the smallest inner edge is smaller than that of the pipe taking bushing, the annular clamp spring is inclined towards the direction close to the inner clamping sleeve close to the smallest inner edge, the pipe taking bushing is arranged on one side of the annular clamp spring away from the inner clamping sleeve, a limiting part matched with the pipe taking bushing limiting step is arranged on the pipe taking bushing, and a propping part propped against one side of the annular clamp spring close to the smallest inner edge is arranged on one side of the annular clamp spring.
2. The insert assembly for a quick connect coupling according to claim 1, wherein the outer collar is provided with a locating boss on an end surface thereof adjacent the first bore portion.
3. The insert assembly for a quick connect coupling according to claim 2, wherein the positioning boss has an outer diameter that is less than an outer diameter of an outer ferrule in which the positioning boss is located.
4. The insert assembly for a quick connector of a pipeline according to claim 1, wherein the inner side of the abutting portion is provided with a large concave circular ring step, the large circular ring step and the gasket form an annular groove for accommodating a sealing ring, and the sealing ring is arranged in the annular groove.
5. The insert assembly for a quick connect coupling according to claim 1, wherein an annular groove is provided on an outer side of the inner collar, and an insert seal ring is provided in the annular groove.
6. The insert assembly for a quick connect coupling according to claim 1, wherein a cap structure is provided inside the inner ferrule, the cap structure being disposed at an end of the inner ferrule remote from the outer ferrule.
7. The insert assembly for a pipe quick connect coupling according to claim 1, wherein the outer diameter of the pressing portion gradually decreases in a direction approaching the annular clamp spring.
8. A pipe quick connector comprising a pipe body having the insert assembly for a pipe quick connector of any one of claims 1-7 disposed therein.
9. The pipe quick connect coupling of claim 8, wherein each of the pipe bodies comprises two or more of the pipe quick connect coupling insert assemblies.
10. The quick connect coupling of claim 8, further comprising an inner bushing, the inner bushing comprising an extension portion for extending into a pipe to be connected, the extension portion extending into an inner side of the annular snap spring, one end of the extension portion being provided with an outer protruding stop capable of cooperating with the small annular stop protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914375.XU CN220268760U (en) | 2023-07-19 | 2023-07-19 | Quick-connect fitting for pipe and insert assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914375.XU CN220268760U (en) | 2023-07-19 | 2023-07-19 | Quick-connect fitting for pipe and insert assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268760U true CN220268760U (en) | 2023-12-29 |
Family
ID=89319624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321914375.XU Active CN220268760U (en) | 2023-07-19 | 2023-07-19 | Quick-connect fitting for pipe and insert assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268760U (en) |
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2023
- 2023-07-19 CN CN202321914375.XU patent/CN220268760U/en active Active
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