CN208485038U - Connecting pipe and tubes - Google Patents
Connecting pipe and tubes Download PDFInfo
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- CN208485038U CN208485038U CN201820594469.6U CN201820594469U CN208485038U CN 208485038 U CN208485038 U CN 208485038U CN 201820594469 U CN201820594469 U CN 201820594469U CN 208485038 U CN208485038 U CN 208485038U
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Abstract
The utility model relates to a kind of connecting pipe and tubes, so that realizing the protection to pipe fitting joint by elastic ferrule in transport or storing process, prevent the case where damaging.Specifically; the elastic ferrule is covered on the core of the pipe fitting joint; and the limited block being arranged on elastic ferrule end face is limited between the retention bead and the abutting block; to which the elastic ferrule is limited in always on the core, and then the pipe fitting joint is implemented to protect.During installing and using, then elastic ferrule can be removed from core, then tubing is locked using elastic ferrule and realizes the connection of tubing on core.
Description
Technical field
The utility model relates to pipe fitting interconnection technique fields, more particularly to a kind of connecting pipe and tubes.
Background technique
The connection procedure between tubing is generally realized by pipe fitting joint in traditional pipe fitting interconnection technique field.It is using
When pipe fitting joint realizes the connection between tubing, generally tubing is pressed on the core of pipe fitting joint by elastic ferrule, it is real
The connection of existing tubing.It is required to based on elastic ferrule and pipe fitting joint, therefore during transportation, generally will in use
Elastic ferrule is placed on Transportation in assemBled state on pipe fitting joint.But general elastic ferrule is easy to fall off from pipe fitting joint, or
The elastic ferrule covered on pipe fitting joint in person's transportational process can not be conveniently applied in the connection of tubing.
Summary of the invention
Based on this, it is necessary to provide a kind of connecting pipe and tubes, pipe fitting joint can either be protected, can also be facilitated
Efficiently it is applied to the connection of tubing.
Its technical solution is as follows:
A kind of connecting pipe, including pipe fitting joint and elastic ferrule, the pipe fitting joint include the core positioned at end, institute
It states the outer wall in the middle part of pipe fitting joint and is equipped with abutting block, the elastic ferrule is set on the core, the elastic ferrule
End face is equipped with limited block, and one end of the limited block connect with the elastic ferrule, the other end of the limited block to
Extend close to the direction of the elastic ferrule central axis, the outer wall of the core is equipped with retention bead, the limited block quilt
It is limited between the abutting block and the retention bead, the distance of central axis of the limited block apart from the elastic ferrule
For first distance, the distance of central axis of the retention bead apart from the core is second distance, the second distance and institute
The difference for stating first distance is less than the deformable amount of the elastic ferrule radially.
Above scheme provides a kind of connecting pipe, by the way that the elastic ferrule is arranged, in connecting pipe transport and
The elastic ferrule is covered on the core during storage.The limited block on the elastic ferrule is connected to described
Under the action of retention bead, it is limited between the abutting block and the retention bead, so that fixed effect is played, so that
The elastic ferrule is covered always on the core, plays the protective effect to the core, is prevented in transport and storing process
The damage of the connecting pipe.Moreover, the distance of central axis of the limited block apart from the elastic ferrule is first distance,
The distance of central axis of the retention bead apart from the core be second distance, based on the second distance with described first away from
From difference be less than the deformable amount of the elastic ferrule radially.So that external force can be passed through during installing and using
So that deformation radially occurs for the elastic ferrule, so limited block be moved out to the direction far from retention bead it is described
The constraint of retention bead reapplies in tubing connection so that elastic ferrule be removed from core.Specifically, the bullet removed
Property cutting ferrule for being locked tubing in core, realize the connection of tubing.And then it realizes in transport and storing process to pipe fitting
The protection of connector, and the connection of tubing can be conveniently realized in the process of installing and using.
Further, the retention bead is annular protrusion, and the limited block is two, two limited block phases
To setting, the elastic ferrule can be radially compressed deformation, so that the distance between two described limited blocks are greater than described
The outer diameter of annular protrusion.
Further, the side wall of the annular protrusion is taper, and the annular protrusion is outside described one end for abutting block
Diameter is larger, and the limited block side opposite with the core is inclined surface, in the limited block close to the abutting block
One end constitute pointed tooth, the pointed tooth can be caught in the annular protrusion close to it is described abut block side.
Further, the end face that the elastic ferrule is equipped with the limited block is additionally provided with two non-slipping blocks, and two anti-skidding
Block is oppositely arranged, and one end of the non-slipping block is connect with the elastic ferrule, and the other end of the non-slipping block is to close to the bullet
Property cutting ferrule central axis direction extend, the distance between two non-slipping blocks be greater than the annular protrusion outer diameter.
Further, the non-slipping block is located between two limited blocks, and the non-slipping block and the limited block are along institute
The end face for stating elastic ferrule is circumferentially uniformly distributed.
Further, the retention bead is located at the core far from described one end for abutting block, the outer wall of the core
It is equipped with the sealing tooth of annular, the sealing tooth position abuts between block in the retention bead with described, and the sealing tooth is most
Big outer diameter is less than the inner diameter of the elastic ferrule.
Further, two annular anticreep teeth, the maximum outside diameter of the anticreep tooth are additionally provided on the outer wall of the core
Less than the maximum outside diameter of the sealing tooth, two anticreep teeth are located at the two sides of the sealing tooth.
Further, the side wall of the sealing tooth and the side wall of the anticreep tooth are taper, and the sealing tooth is close to institute
One end outer diameter for stating abutting block is larger, and the anticreep tooth is larger close to one end outer diameter for abutting block.
A kind of tubes, including tubing, pipe fitting joint and elastic ferrule, the outer wall in the middle part of the pipe fitting joint are equipped with
Block is abutted, the end of the pipe fitting joint is core, and the outer wall of the core is equipped with retention bead, the end face of the elastic ferrule
Equipped with limited block, one end of the limited block is connect with the elastic ferrule, and the other end of the limited block is to close
The direction of the central axis of the elastic ferrule extends, and the distance of central axis of the limited block apart from the elastic ferrule is the
One distance, the distance of central axis of the retention bead apart from the core are second distance, the second distance and described the
The difference of one distance is less than the deformable amount of the elastic ferrule radially, so that there are first state and for the tubes
Two-state；
The first state is that the elastic ferrule is set on the core, and the limited block is limited in the limit
Position protrusion abuts between block with described；
Second state is that the tubing is plugged in the elastic ferrule, the end face of the tubing and the limiting block
Block abuts, and the tubing is set on the core after reaming, and the elastic ferrule, which is shunk, is pressed on institute for the tubing
It states on core.
Above scheme provides a kind of tubes, mainly includes tubing, pipe fitting joint and elastic ferrule, and the limit
The distance of central axis of the block apart from the elastic ferrule is first distance, central axis of the retention bead apart from the core
Distance be second distance, the difference based on the second distance and the first distance is less than the elastic ferrule radially
Deformable amount, so that there are the first states and the second state for the tubes.The first state is mainly reflected in fortune
In defeated and storing process, the elastic ferrule is set on the core, and in the retention bead and the limit for abutting block
Under system, the elastic ferrule is always positioned on the core.Second state is mainly reflected in install and use during, pass through
External force removes elastic ferrule from core, and then tubing is plugged in the elastic ferrule, and by the end face of tubing
It is abutted with limited block, so that the elastic ferrule will not be slided to the middle part of tubing during reaming.Pipe after reaming
Material is set on core, and tubing is pressed on core by elastic ferrule contraction after standing a period of time, and then realizes the company of tubing
It connects.Therefore, aforementioned tubes component can be realized the protection of pipe fitting joint in transport and storing process, need to install and use
When, the connection of tubing is used for by can conveniently remove elastic ferrule from core.
Further, the inner wall of the elastic ferrule is equipped with convex ribs, and the convex ribs are distributed along the axial direction of the elastic ferrule,
The convex ribs can be interference fitted with the tubing.
Detailed description of the invention
Fig. 1 is connecting pipe cross-sectional view described in the present embodiment；
Fig. 2 is elastic ferrule top view described in the present embodiment；
Fig. 3 is elastic ferrule cross-sectional view described in the present embodiment；
Fig. 4 is elastic ferrule structural schematic diagram described in the present embodiment；
Fig. 5 is cross-sectional view of the Fig. 2 along the direction A-A；
Fig. 6 is that core described in the present embodiment and tubing wait for attachment structure schematic diagram；
Fig. 7 is assembling schematic diagram of the tubing on pipe fitting joint described in the present embodiment.
Description of symbols:
10, connecting pipe, 11, pipe fitting joint, 111, core, 1111, retention bead, 1112, sealing tooth, 1113, anticreep
Tooth, 112, abutting block, 12, elastic ferrule, 121, limited block, 122, non-slipping block, 123, convex ribs, 20, tubing.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
As shown in Figure 1, providing a kind of connecting pipe 10, including pipe fitting joint 11 and elastic ferrule in one embodiment
12, the pipe fitting joint 11 includes the core 111 positioned at end, and the outer wall at 11 middle part of pipe fitting joint, which is equipped with, abuts block
112, the elastic ferrule 12 is set on the core 111, and the end face of the elastic ferrule 12 is equipped with limited block 121, institute
The one end for stating limited block 121 is connect with the elastic ferrule 12, and the other end of the limited block 121 is to close to the core
111 direction extends, and the outer wall of the core 111 is equipped with retention bead 1111, and the limited block 121 is limited in described
Abut between block 112 and the retention bead 1111, central axis of the limited block 121 apart from the elastic ferrule 12 away from
From for first distance, the distance of central axis of the retention bead 1111 apart from the core 111 is second distance, described second
The difference of distance and the first distance is less than the deformable amount of the elastic ferrule 12 radially.
Above scheme mainly provides a kind of connecting pipe 10, in storage and transportational process, by by the elastic card
12 sets of set, to play the protection to the core 111, prevents from damaging on the core 111 of the pipe fitting joint 11.Specifically
Ground, the outer wall at 11 middle part of the pipe fitting joint, which is equipped with, abuts block 112, in use, by the elastic ferrule 12 from institute
The end for stating pipe fitting joint 11 is set on the core 111.During the elastic ferrule 12 is arranged, with the core
111 are inserted into gradually in the elastic ferrule 12, and the limited block 121 is stuck in the retention bead after passing through flexible deformation
1111, close to the side for abutting block 112, are further supported by the end face of the elastic ferrule 12 with the block 112 that abuts
It connects, to play the role of preventing core 111 from damaging by the elastic ferrule 12 limit on the core 111.
And during installing and using, then make limited block 121 to separate retention bead 1111 by external force
Direction is mobile, and then elastic ferrule 12 is removed from core 111, and tubing 20 is locked in core 111 using elastic ferrule 12
On, realize the connection of tubing 20.To both ensure the protection for core 111 during transportation, also meeting installation makes
With the connection procedure for conveniently realizing tubing 20 in the process.
Specifically, the retention bead 1111 can be set in the one end of the core 111 far from the abutting block 112,
Or the core 111 is set close to the one end for abutting block 112.As long as during setting on the elastic ferrule 12
Limited block 121 is limited in by the retention bead 1111 close to the side for abutting block 112, then passes through the abutting block
The elastic ferrule 12 is limited on the core 111 by the abutting between 112 and 12 end face of elastic ferrule.
Further, the retention bead 1111 in above scheme can be distributed on 111 outer wall of core by circumferentially-spaced
Protrusion composition, the quantity of the limited block 121 can be one or at least two, if the retention bead 1111 with it is described
Cooperation between limited block 121 can play the role of limit.Specifically, in one embodiment, as shown in Figure 1,
The retention bead 1111 is annular protrusion, and as shown in Figures 2 to 4, the limited block 121 is two, two limits
Block 121 is oppositely arranged.And to further increase the convenience of the connecting pipe 10 in use, further,
As shown in figure 5, elastic change can occur for the elastic ferrule 12 in the elastic ferrule 12 when radially giving extruding force
Shape, so that the distance between two described limited blocks 121 are greater than the outer diameter of the annular protrusion, thus by the elastic ferrule
12 take out from the pipe fitting joint 11.It so, it is possible to realize quickly removing for the elastic ferrule 12, improve service performance.
And when radially squeezing the elastic ferrule 12, preferably along perpendicular to line between two limited blocks 121
Side it is upward so that the elastic ferrule 12 from circle initially under natural conditions become ellipse, thus increase by two
The distance between limited block 121, so that the distance between two limited blocks 121 are greater than the outer diameter of annular protrusion, limiting block
Block 121 is detached from the constraint of the annular protrusion, so that elastic ferrule 12 be taken out.
Specifically, the section of annular protrusion described in above scheme can be rectangle and trapezoidal etc., as long as can play pair
The restriction effect of the limited block 121.Further, as shown in Figure 1, in one embodiment, the annular protrusion
Side wall be taper, the annular protrusion close to it is described abut block 112 one end outer diameter it is larger, the limited block 121 and institute
Stating the opposite side of core 111 is inclined surface, constitutes pointed tooth close to described one end for abutting block 112 in the limited block 121,
The pointed tooth can be caught in the annular protrusion close to the side for abutting block 112.Pass through above-mentioned retention bead 1111 and limit
The shape setting of position block 121, so that during the installation process, more conveniently the elasticity can be pushed away along the axial direction of pipe fitting joint 11
Cutting ferrule 12, so that the pointed tooth of the limited block 121 is caught in the annular protrusion close to institute with the side wall of the annular protrusion
State the side for abutting block 112.
Further, in one embodiment, as shown in Fig. 2, the elastic ferrule 12 is equipped with the limited block 121
End face is additionally provided with two non-slipping blocks 122, and two non-slipping blocks 122 are oppositely arranged, one end of the non-slipping block 122 and the elastic card
12 connection of set, the other end of the non-slipping block 122 extend to the direction close to 12 central axis of elastic ferrule, as shown in fig. 7,
The distance between two non-slipping blocks 122 are greater than the outer diameter of the annular protrusion.
To further ensure that the elastic ferrule 12 described in reaming procedure can be always positioned at the end of the tubing 20, lead to
It crosses and the non-slipping block 122 is further set, promote the intensity that the elastic ferrule 12 is limited in 20 end of tubing.And
It is needed to cover on the core 111 of the pipe fitting joint 11 in 10 transportational process of connecting pipe based on the elastic ferrule 12, it is right
The core 111 of the pipe fitting joint 11 plays a protective role, and needs further exist for making by pressing the elastic ferrule 12 later
The distance between two limited blocks 121 increase so as to take out elastic ferrule 12.So by between two non-slipping blocks 122
The outer diameter greater than the annular protrusion of distance setting, so that during squeezing elastic ferrule 12 and deforming it, although two
A non-slipping block 122 moves towards, but still will not be limited by the retention bead 1111, and elastic ferrule 12 occur can not
The case where taking-up.
Further specifically, in one embodiment, as shown in Fig. 2, the non-slipping block 122 is located at two limited blocks
Between 121, the non-slipping block 122 and the limited block 121 are circumferentially evenly distributed on the end face of the elastic ferrule 12.It is logical
The circumferential direction for crossing the non-slipping block 122 and the limited block 121 is uniformly distributed, so that non-slipping block during reaming
122 and the limited block 121 being capable of the more firm end that the elastic ferrule 12 is limited in tubing 20.Moreover, logical
The reasonable setting for crossing 121 position of the non-slipping block 122 and the limited block is needing to take out elastic card from pipe fitting joint 11
When covering 12, only suitable position need to be found according to the position of non-slipping block 122 and press the elastic ferrule 12, improve operating efficiency.?
In use process, the pipe further can also be judged by the gap between the non-slipping block 122 and the limited block 121
Whether material 20 is inserted in place, it is ensured that the end face of tubing 20 is abutted with the limited block 121 and the non-slipping block 122.
In above scheme, the limited block 121 is mainly limited in by the limit convex by the retention bead 1111
1111 are played close to the side for abutting block 112, so that the elastic ferrule 12 can be covered in the pipe fitting joint 11
On core 111.And the retention bead 1111 can be located at the core 111 close to described one end for abutting block 112, it can also be with
Positioned at the core 111 far from described one end for abutting block 112.
Further, in one embodiment, as shown in Figure 1, the retention bead 1111 to be located at the core 111 separate
Described one end for abutting block 112, the outer wall of the core 111 are equipped with the sealing tooth 1112 of annular, and described 1112, sealing tooth
It is abutted between block 112 in the retention bead 1111 with described, the maximum outside diameter of the sealing tooth 1112 is less than the elastic card
The inner diameter of set 12.To improve the connecting pipe 10 reliability that tubing 20 connects in use, in the core
The sealing tooth 1112 is further set on 111 outer wall, and the maximum outside diameter setting for sealing tooth 1112 is less than the bullet
The inner diameter of property cutting ferrule 12, greater than the outer diameter of the retention bead 1111, to meet peace of the elastic ferrule 12 on core 111
Dress needs.Moreover, for convenience of installation process of the elastic ferrule 12 on core 111, so the retention bead 1111 is arranged
In the core 111 far from the one end for abutting block 112, so that by 12 sets of the elastic ferrule when on the core 111, it is described
Limited block 121 is not necessarily to by contacting again with the retention bead 1111 after the sealing tooth 1112, but directly by the limit
Position protrusion 1111 is limited in close to the side for abutting block 112, is improved the installation effectiveness of the elastic ferrule 12, is reduced simultaneously
Restrictive condition in the design of limited block 121.And the section configuration of the sealing tooth 1112 can for trapezoidal, rectangle or
Triangle etc..
Further, in one embodiment, as shown in Figure 6 and Figure 7, two are additionally provided on the outer wall of the core 111
The anticreep tooth 1113 of annular, the maximum outside diameter of the anticreep tooth 1113 are less than the maximum outside diameter of the sealing tooth 1112, and two anti-
De- tooth 1113 is located at the two sides of the sealing tooth 1112.By the way that the anticreep tooth 1113 is further arranged, so that the pipe
Material 20 can be relatively reliable be connected on the pipe fitting joint 11.It is similar with the sealing tooth 1112, the anticreep tooth 1113
Section may be trapezoidal, rectangle or triangle etc..
Further, in one embodiment, as shown in fig. 6, the side wall and the anticreep tooth of the sealing tooth 1112
1113 side wall is taper, and the sealing tooth 1112 is larger close to one end outer diameter for abutting block 112, the anticreep tooth
1113 is larger close to one end outer diameter for abutting block 112.The tubing 20 being mounted on the pipe fitting joint 11 is obtained
To relatively reliable connection.
Further, as shown in fig. 7, providing a kind of tubes in another embodiment, including tubing 20, pipe fitting
Connector 11 and elastic ferrule 12, the outer wall at 11 middle part of pipe fitting joint, which is equipped with, abuts block 112, the end of the pipe fitting joint 11
Portion is core 111, and the outer wall of the core 111 is equipped with retention bead 1111, and the end face of the elastic ferrule 12 is equipped with limiting block
Block 121, one end of the limited block 121 are connect with the elastic ferrule 12, and the other end of the limited block 121 is to close
The direction of the central axis of the elastic ferrule 12 extends, central axis of the limited block 121 apart from the elastic ferrule 12
Distance is first distance, and the distance of central axis of the retention bead 1111 apart from the core 11 is second distance, described the
The difference of two distances and the first distance is less than the deformable amount of the elastic ferrule 12 radially, so that the tubes
There are first states and the second state；
The first state is that the elastic ferrule 12 is set on the core 111, and the limited block 121 is limited
It is abutted between block 112 in the retention bead 1111 with described；
Second state be the tubing 20 be plugged in the elastic ferrule 12, the end face of the tubing 20 with it is described
Limited block 121 abuts, and the tubing 20 is set on the core 111 after reaming, and the elastic ferrule 12 is shunk will
The tubing 20 is pressed on the core 111.
When the elastic ferrule 12 is set on tubing 20, the end face of the limited block 121 and the tubing 20 is supported
It connects, the core 111 is inserted into the tubing 20 by reaming, and the elastic ferrule 12, which can be shunk, presses the tubing 20
Tightly on the core 111.By above-mentioned setting, pipe fitting joint 11 described in transport and storing process is enabled to obtain elasticity
The effective protection of cutting ferrule 12, and during installing and using, and can be convenient and efficiently take elastic ferrule 12 from core 111
Under, the connection that is subsequently used between the tubing 20 and core 111.Pipe fitting connector 11 can either be protected not damaged,
The connection of tubing 20 can be conveniently applied to.In use, it goes to realize tubing it is not necessary that fastenings is separately arranged
Connection between 20 and pipe fitting joint 11, to further reduced use cost.
Specifically, in use, preceding method is first passed through by the elastic ferrule 12 from the pipe fitting joint 11
Remove, then as shown in fig. 6, by need the tubing 20 that connects from the elastic ferrule 12 far from the limited block 121 one
End is inserted into the elastic ferrule 12, and the limited block 121 and the end face of the tubing 20 are abutted, and then utilizes expansion
Hole device carries out expanding treatment to the tubing 20.Then as shown in fig. 7, the core 111 of the pipe fitting is inserted into tubing 20 again
It is interior, it stands and shrinks tubing 20 and elastic ferrule 12, press the tubing 20 under the action of elastic ferrule 12
Tightly on the core 111, the connection of tubing 20 is realized.
Moreover, being implemented in reaming procedure using reamer to the tubing 20, tubing under the action of reamer
20 will appear certain taper, and the elastic ferrule 12 is easy to slide among tubing 20 along the outer wall of tubing 20.And in the present solution,
Based on the presence of the limited block 121, when implementing reaming procedure to the tubing 20 using reamer, the limited block
121 the case where being against the end of the tubing 20, being slided so as to avoid the elastic ferrule 12 into tubing 20, into one
Step improves the service performance of connecting pipe 10.
Further, as shown in Figure 3 and Figure 5, in one embodiment, the inner wall of the elastic ferrule 12 is equipped with convex ribs
123, the convex ribs 123 are distributed along the axial direction of the elastic ferrule 12, and the convex ribs 123 can match with 20 interference of tubing
It closes.The convex ribs 123 are set by the inner wall in the elastic ferrule 12, are further increased between elastic ferrule 12 and tubing 20
The reliability of tight fit avoids making elastic ferrule 12 can not be close with tubing 20 because elastic ferrule 12 is caused to deform for environmental change
The case where cooperation, occurs.And the convex ribs 123 can be set to multiple, be evenly distributed on elasticity for multiple convex ribs 123 are circumferential
On the inner wall of cutting ferrule 12, the compactness cooperated between the elastic ferrule 12 and tubing 20 is further increased.
A kind of 20 connection method of tubing is provided in another embodiment, using above-mentioned connecting pipe 10, including it is following
Step:
Elastic ferrule described in radial compression along elastic ferrule, the elastic ferrule deform so that described first away from
From the second distance is greater than, elastic ferrule is removed from core；
Tubing to be connected is inserted into elastic ferrule, until the end face of tubing is abutted with limited block；
Reaming is carried out to the tubing for being arranged with elastic ferrule using reamer；
Core is inserted into the tubing after reaming, stands and tubing is locked in core to elastic ferrule contraction for a period of time
On.
20 connection method of tubing that above scheme provides, by using any of the above-described connecting pipe as described in the examples
10, enable during transportation pipe fitting joint 11 be effectively protected, during installing and using, the bullet can be used
Property cutting ferrule 12 conveniently use tubing 20 connection procedure.Specifically, when needing to connect tubing 20, core will be set in
Elastic ferrule 12 on 111 is removed from core 111, and then tubing 20 to be connected is inserted into elastic ferrule 12, is recycled
Reamer carries out expanding treatment to tubing 20, and then core 111 is inserted into the tubing 20 after reaming, finally stands a period of time
It is shunk to elastic ferrule 12 and tubing 20 is locked on core 111, to realize the connection procedure of tubing 20.Above scheme is being protected
Hinder it is against damages in 11 transportational process of pipe fitting joint in the case where, but also the connection procedure of tubing 20 can be conveniently real
It applies, no longer needs to the connection for going to realize tubing 20 using other components.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of connecting pipe, which is characterized in that including pipe fitting joint and elastic ferrule, the pipe fitting joint includes being located at end
Core, the outer wall in the middle part of the pipe fitting joint, which is equipped with, abuts block, and the elastic ferrule is set on the core, the bullet
Property cutting ferrule end face be equipped with limited block, one end of the limited block connect with the elastic ferrule, the limited block
The other end extends to the direction close to the elastic ferrule central axis, and the outer wall of the core is equipped with retention bead, the limit
Position block is limited between the abutting block and the retention bead, center of the limited block apart from the elastic ferrule
The distance of axis is first distance, and the distance of central axis of the retention bead apart from the core is second distance, described second
The difference of distance and the first distance is less than the deformable amount of the elastic ferrule radially.
2. connecting pipe according to claim 1, which is characterized in that the retention bead is annular protrusion, the limit
Block is two, and two limited blocks are oppositely arranged, and the elastic ferrule can be radially compressed deformation, so that two institutes
State the outer diameter that the distance between limited block is greater than the annular protrusion.
3. connecting pipe according to claim 2, which is characterized in that the side wall of the annular protrusion is taper, the ring
Shape protrusion is larger close to one end outer diameter for abutting block, and the limited block side opposite with the core is inclined surface,
Pointed tooth is constituted close to described one end for abutting block in the limited block, the pointed tooth can be caught in the annular protrusion close to institute
State the side for abutting block.
4. connecting pipe according to claim 2, which is characterized in that the elastic ferrule is equipped with the end of the limited block
Face is additionally provided with two non-slipping blocks, and two non-slipping blocks are oppositely arranged, and one end of the non-slipping block is connect with the elastic ferrule, described
The other end of non-slipping block extends to the direction close to the elastic ferrule central axis, and the distance between two non-slipping blocks are greater than described
The outer diameter of annular protrusion.
5. connecting pipe according to claim 4, which is characterized in that the non-slipping block is located between two limited blocks,
The non-slipping block and the limited block are circumferentially uniformly distributed along the end face of the elastic ferrule.
6. connecting pipe according to any one of claims 1 to 5, which is characterized in that the retention bead is located at the core
Body is far from described one end for abutting block, and the outer wall of the core is equipped with the sealing tooth of annular, and the sealing tooth position is in the limit
Position protrusion abuts between block with described, and the maximum outside diameter of the sealing tooth is less than the inner diameter of the elastic ferrule.
7. connecting pipe according to claim 6, which is characterized in that be additionally provided on the outer wall of the core two it is annular
Anticreep tooth, the maximum outside diameter of the anticreep tooth are less than the maximum outside diameter of the sealing tooth, and two anticreep teeth are located at described close
Seal the two sides of tooth.
8. connecting pipe according to claim 7, which is characterized in that the side wall of the sealing tooth and the side of the anticreep tooth
Wall is taper, and the sealing tooth is larger close to one end outer diameter for abutting block, and the anticreep tooth is close to the abutting block
One end outer diameter is larger.
9. a kind of tubes, which is characterized in that including tubing, pipe fitting joint and elastic ferrule, in the middle part of the pipe fitting joint
Outer wall, which is equipped with, abuts block, and the end of the pipe fitting joint is core, and the outer wall of the core is equipped with retention bead, the elasticity
The end face of cutting ferrule is equipped with limited block, and one end of the limited block connect with the elastic ferrule, the limited block it is another
One end extends to the direction of the central axis close to the elastic ferrule, central axis of the limited block apart from the elastic ferrule
Distance be first distance, the distance of central axis of the retention bead apart from the core is second distance, described second away from
It is less than the deformable amount of the elastic ferrule radially from the difference of the first distance, so that there are for the tubes
One state and the second state；
The first state is that the elastic ferrule is set on the core, and the limited block is limited in the limit convex
It rises and is abutted between block with described；
Second state is that the tubing is plugged in the elastic ferrule, and the end face of the tubing is supported with the limited block
It connects, the tubing is set on the core after reaming, and the elastic ferrule, which is shunk, is pressed on the core for the tubing
On body.
10. tubes according to claim 9, which is characterized in that the inner wall of the elastic ferrule is equipped with convex ribs, described
Convex ribs are distributed along the axial direction of the elastic ferrule, and the convex ribs can be interference fitted with the tubing.
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| CN201820594469.6U CN208485038U (en) | 2018-04-23 | 2018-04-23 | Connecting pipe and tubes |
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| CN201820594469.6U CN208485038U (en) | 2018-04-23 | 2018-04-23 | Connecting pipe and tubes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644189A (en) * | 2018-04-23 | 2018-10-12 | 日丰企业（佛山）有限公司 | Connecting pipe, tubes and pipes connecting method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644189A (en) * | 2018-04-23 | 2018-10-12 | 日丰企业（佛山）有限公司 | Connecting pipe, tubes and pipes connecting method |
| CN108644189B (en) * | 2018-04-23 | 2024-02-02 | 日丰企业（佛山）有限公司 | Connecting pipe fitting, pipe assembly and pipe connecting method |
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