CN207064886U - A kind of steel-plastic pipe union - Google Patents
A kind of steel-plastic pipe union Download PDFInfo
- Publication number
- CN207064886U CN207064886U CN201721018734.8U CN201721018734U CN207064886U CN 207064886 U CN207064886 U CN 207064886U CN 201721018734 U CN201721018734 U CN 201721018734U CN 207064886 U CN207064886 U CN 207064886U
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- Prior art keywords
- socket joint
- joint groove
- connector body
- steel
- pipe
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- 229920003023 plastic Polymers 0.000 title claims abstract description 40
- 239000004033 plastic Substances 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 244000144985 peep Species 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000005674 electromagnetic induction Effects 0.000 claims description 10
- 230000000916 dilatatory effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
This application discloses a kind of steel-plastic pipe union, the pipe joint includes connector body and is set in the swivel nut of connector body exterior, wherein, the first socket joint groove and the second socket joint groove are symmetrically arranged with the both ends of the surface of connector body, sealing ring is filled between the first socket joint groove and the second socket joint groove；The both ends of swivel nut are provided with the annular shoulder projected radially inwards, set oppositely oriented the first internal thread and the second internal thread on the end face of annular shoulder respectively.The steel-plastic pipe union that the application provides realizes being fixedly connected for steelplastic pipe to be connected and connector body by the first socket joint groove and the second socket joint groove, reinforcement connection is carried out to steelplastic pipe to be connected by oppositely oriented screw thread, prevent steelplastic pipe to be connected from departing from connector body, substantially increase stable connection.
Description
Technical field
It the utility model is related to technical field of pipeline connection, more particularly to a kind of steel-plastic pipe union.
Background technology
Steel-plastics composite pipe is a kind of very high novel tube of the cost performance occurred in recent years, and it is that steel pipe and plastic tube are excellent
The combination of performance, the high intensity of existing steel pipe, resistance to interior external pressure, stretching resistance, easily repairing the advantages that have the superpower corrosion resistants of plastics again
Corrosion energy.At present, steel-plastics composite pipe has been increasingly being applied to oil and gas transmission, work pipes for mining, water drinking tube, drainpipe
Etc. various fields.
In the prior art, the connection method of steel-plastics composite pipe mainly has the methods of mechanical connection and Electromagnetic Heating connect.Its
In, mechanical joining methods, including attachment structure is dilated, by two there is the pipe to be connected for dilating projection to prohibit generally by snap ring
Plug with molten metal together.Electromagnetic Heating connects, i.e., tubing is plugged in pipe joint, by producing alternating magnetic field, the magnetic in pipe fitting outer
Field makes the metal level of the tubing of junction is produced alternation vortex and generated heat, and heat caused by metal level makes the modeling of steel-plastics composite pipe
Layer melts and is welded together.
But dilate connection method moderate resistance pull-out force and limited by steel strength in steel-plastics composite pipe, when pull-out force mistake
When big, raised may be extruded is dilated and recoverable force causes pipeline connection to disengage to the size of normal caliber.Electromagnetic Heating connects
Connect and easily occur tubing uneven heating in method, tubing is connected insecure with pipe joint, easily occurs tubing under external force
Phenomenon is disengaged with pipe joint.
Utility model content
The utility model provides a kind of steel-plastic pipe union, is asked with solve to be easily separated between current tubing and pipe joint
Topic.
Steel-plastic pipe union provided by the utility model includes connector body and is set in the connector body exterior
Swivel nut, wherein,
It is symmetrically arranged with the first socket joint groove and the second socket joint groove in the both ends of the surface of the connector body, described first
Sealing ring is filled between socket joint groove and the second socket joint groove；
The both ends of the swivel nut are provided with the annular shoulder projected radially inwards, on the end face of the annular shoulder
It is respectively arranged with the first internal thread and the second internal thread, the rotation direction of first internal thread and the rotation direction phase of second internal thread
Instead.
Optionally, the outside of the swivel nut is provided with electromagnetic induction heater, and the length of the electromagnetic induction heater is more than
Or the length equal to the connector body.
Optionally, the inwall length of the connector body is more than the peripheral wall length of the connector body, the connection
The both ends of part inner body wall are fixedly installed respectively dilates mechanism.
Optionally, the center line for dilating mechanism is parallel with the center line of the connector body.
Optionally, the inner diameter of the first socket joint groove is less than or equal to the internal diameter of steelplastic pipe to be connected, and described the
The outer diameter of one socket joint groove is equal to the external diameter of the steelplastic pipe to be connected.
Optionally, two peep holes, the peep hole difference are provided with the outer wall of the connector body and swivel nut
Through the connector body and swivel nut, and the peep hole respectively the first socket joint groove with the connector body both ends,
Second socket joint groove is corresponding.
Optionally, the peep hole is respectively further from the openend of the first socket joint groove and the second socket joint groove, and institute
State central axis of the center line of two peep holes with the connector body.
Technical scheme provided by the utility model can include the following benefits：
Steel-plastic pipe union provided by the utility model includes connector body and is arranged on the swivel nut of connector body exterior,
Wherein, the first socket joint groove and the second socket joint groove, two steel modelings to be connected are symmetrically arranged with the both ends of the surface of connector body
Pipe inserts the first socket joint groove and the second socket joint groove respectively, completes the connection of steelplastic pipe.It is recessed for guarantee sealing, the first socket joint
Gap between groove and the second socket joint groove be present, sealing ring is set in gap.The both ends of swivel nut are provided with radially inward
The annular shoulder of protrusion, the first internal thread and the second internal thread are respectively arranged with the end face of annular shoulder, the first internal thread
Rotation direction is oppositely oriented with the second internal thread, and the connection end of two steelplastic pipes to be connected is set and the first internal thread, second respectively
The first external screw thread that internal thread is engaged, the second external screw thread.During the steel-plastic pipe union installation that the application provides, first by swivel nut set
In a steelplastic pipe to be connected, connector body is connected with two steelplastic pipes to be connected respectively afterwards, then rotary threaded sleeve,
The first internal thread is set to be fastenedly connected with the first external screw thread, the second internal thread and the second external screw thread, so as to which two steel to be connected be moulded
Pipe links together.The steel-plastic pipe union that the application provides is fixedly connected using oppositely oriented screw thread, is prevented to be connected
Steelplastic pipe departs from connector body, substantially increases stable connection.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The utility model can be limited.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, below by the required accompanying drawing used in embodiment
It is briefly described, it should be apparent that, for those of ordinary skills, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for steel-plastic pipe union that the utility model embodiment provides；
Fig. 2 is the mounting structure schematic diagram of a kind of steel-plastic pipe union that the utility model embodiment provides and steelplastic pipe；
Fig. 3 is the structural representation for another steel-plastic pipe union that the utility model embodiment provides；
Fig. 4 is the mounting structure schematic diagram of another steel-plastic pipe union that the utility model embodiment provides and steelplastic pipe；
Fig. 1-Fig. 4 symbols represent：1- swivel nuts, the internal threads of 11- first, the internal threads of 12- second, 2- connector bodies, 21-
One socket joint groove, 22- the second socket joint grooves, 3- sealing rings, 4- electromagnetic induction heaters, 5- peep holes, 6- steelplastic pipes to be connected,
The external screw threads of 61- first, the external screw threads of 62- second, 63- dilate projection, and 7- dilates mechanism.
Embodiment
Embodiment one
Referring to Fig. 1, Fig. 2, Fig. 1 is the structural representation for the steel-plastic pipe union that the utility model embodiment provides；Fig. 2 is this
The steel-plastic pipe union and the mounting structure schematic diagram of steelplastic pipe that utility model embodiment provides.
The steel-plastic pipe union that the utility model embodiment provides includes connector body 2 and is set in outside connector body 2
The swivel nut 1 in portion, wherein,
The first socket joint groove 21 and the second socket joint groove 22 are symmetrically arranged with the both ends of the surface of connector body 2, first holds
Groove 21 and second socket joint groove 22 is inserted to be used to insert the with the grafting of steelplastic pipe 6 to be connected, i.e. a steelplastic pipe 6 to be connected respectively
In one socket joint groove 21, another steelplastic pipe 6 to be connected is inserted in the second socket joint groove 22, realizes two steelplastic pipes 6 to be connected
With the connection of connector body 2.
The first socket joint groove 21 is inserted for convenience of steelplastic pipe 6 to be connected, in the second socket joint groove 22, the first socket joint groove 21
Inner diameter be less than or equal to the internal diameter of steelplastic pipe 6 to be connected, the outer diameter of the first socket joint groove 21 is equal to steel to be connected
The external diameter of pipe 6 is moulded, i.e., certain space be present between the inside and outside wall of the socket joint groove 21 of steelplastic pipe 6 and first to be connected, can make
Obtain the frictional resistance being subject to during first socket joint groove 21 of the insertion of steelplastic pipe 6 to be connected to diminish, and then steelplastic pipe 6 to be connected is held very much
Easily inject in the first socket joint groove 21 of connector body 2, avoid the size of the first socket joint groove 21 smaller, can not insert to be connected
Steelplastic pipe 6 or insertion are more difficult.Similarly, the connection of the second socket joint groove 22 and steelplastic pipe 6 to be connected is all that gap is connected.
Further, gap between the first socket joint groove 21 and the second socket joint groove 22 be present, sealing ring is set in gap
3, the mouth of pipe end face of two steelplastic pipes 6 to be connected directly contacts with sealing ring 3 so that sealing effectiveness is more preferable.
Further, the both ends of swivel nut 1 are provided with the annular shoulder projected radially inwards, the end face of annular shoulder
On be respectively arranged with the first internal thread 11 and the second internal thread 12, and the rotation direction of the first internal thread 11 and the rotation of the second internal thread 12
To on the contrary, the i.e. both ends of swivel nut 1 set bidirectional helical respectively.Spiral shell in upper and the first internal thread 11 and second of steelplastic pipe 6 to be connected
The corresponding opening position of line 12, which is set, is respectively arranged with the first external screw thread 61 and the second external screw thread 62, the first internal thread 11 and first
External screw thread 61 is threadedly coupled, and the second internal thread 12 is threadedly coupled with the second external screw thread 62, so as to add two steel modelings to be connected
The stable connection of pipe 6.
Further, with being provided with two peep holes 5 on the outer wall of swivel nut 1, peep hole 5 passes through connector body 2 respectively
Wear connector body 2 and swivel nut 1, and the first socket joint groove 21, the second socket joint with the both ends of connector body 2 respectively of peep hole 5
Groove 22 is corresponding, i.e., peep hole 5 is used to observe steelplastic pipe 6 to be connected and whether be separately inserted the first socket joint groove 21 to hold with second
Insert the bottom (inside of connector body 2) of groove 22.
Specifically, the center line of peep hole 5 is perpendicular with the center line of connector body 2, the center of each peep hole 5
Radius of the line to the distance of its corresponding first socket joint groove 21 or the bottom of the second socket joint groove 22 for peep hole 5, i.e. peep hole 5
It is respectively further from the openend of the first socket joint groove 21 and the second socket joint groove 22.
Specifically, a peep hole 5 observes the first socket joint groove 21 of the one end of connector body 2, and another peep hole 5 is seen
Examine the second socket joint groove 22 of the other end of connector body 2.Held by the way that peep hole 5 is arranged on into the first socket joint groove 21 with second
The bottom position of groove 22 is inserted, steelplastic pipe 6 to be connected can be observed whether is inserted into the first socket joint groove 21 or the second and hold
Insert the bottom of groove 22.Also, two steelplastic pipes 6 to be connected are being inserted into the first socket joint groove 21 and the second socket joint groove respectively
When 22, the air in the first socket joint groove 21 and the second socket joint groove 22 can be excluded, makes steelplastic pipe 6 to be connected be easier to insert
First socket joint groove 21 and the second socket joint groove 22.
Further, the outside of swivel nut 1 is provided with electromagnetic induction heater 4, and the length of electromagnetic induction heater 4 is more than or waited
In the length of connector body 2.During operation, connector body 2 and steelplastic pipe 6 to be connected are applied with electromagnetic induction heater 4
Induced field so that the middle steel layer self-heating of steelplastic pipe 6 to be connected, resulting continuous high temperature is by steelplastic pipe to be connected
The inwall of 6 outer wall and the outer wall of the first socket joint groove 21, the inwall of steelplastic pipe to be connected 6 and the first socket joint groove 21 is melted in
Together, realize that a steelplastic pipe 6 to be connected and the welding of connector body 2 are fixed after cooling.Similarly, another steel to be connected
Continuous high temperature caused by the middle steel layer of pipe 6 is moulded by outer wall of the outer wall of steelplastic pipe 6 to be connected with the second socket joint groove 22, the company for the treatment of
The inwall for connecing the inwall and the second socket joint groove 22 of steelplastic pipe 6 is fused together, and another steel modeling to be connected is realized after cooling
The welding of pipe 6 and connector body 2 is fixed.
Swivel nut 1 when mounted, is enclosed on a steel to be connected by the steel-plastic pipe union that the utility model embodiment provides first
Mould on pipe 6, afterwards insert steelplastic pipe 6 to be connected in first socket joint groove 21 of connector body 2, then by another company for the treatment of
Connect steelplastic pipe 6 to insert through swivel nut 1 in second socket joint groove 22 of connector body 2, be rotated further by swivel nut 1, pass through spiral shell in first
One steelplastic pipe 6 to be connected is fixedly connected with swivel nut 1 by line 11 with the first external screw thread 61, passes through the second internal thread 12 and the second outer spiral shell
Another steelplastic pipe 6 to be connected is fixedly connected with swivel nut 1 by line 62, finally starts electromagnetic induction heater 4 so that steel modeling to be connected
Pipe 6 is fixedly connected with the melting of connector body 2 respectively, so as to realize being connected for two steelplastic pipes to be connected.
The steel-plastic pipe union that the utility model embodiment provides passes through the first socket joint groove and second on connector body
Socket joint groove realizes the connection of two steelplastic pipes to be connected and connector body, and steel to be connected is realized by electromagnetic induction heater
The welding of modeling pipe and connector body is fixed, then is threadedly coupled by the swivel nut of connector body exterior with steelplastic pipe to be connected,
The both ends of swivel nut set oppositely oriented internal thread, and the external screw thread corresponding with internal thread, rotation are set in steelplastic pipe to be connected
Swivel nut, realize that two steelplastic pipes to be connected move round about so that two steelplastic pipes to be connected closer to.The application carries
The steel-plastic pipe union of confession is fixedly connected using oppositely oriented screw thread and steelplastic pipe to be connected, prevent steelplastic pipe to be connected with
Connector body departs from, and substantially increases stable connection.
Embodiment two
Referring to Fig. 3, Fig. 4, Fig. 3 is the structural representation for another steel-plastic pipe union that the utility model embodiment provides；
Fig. 4 is another steel-plastic pipe union and the mounting structure schematic diagram of steelplastic pipe to be connected that the utility model embodiment provides.
The steel-plastic pipe union that the utility model embodiment provides includes connector body 2 and is set in outside connector body 2
The swivel nut 1 in portion, wherein,
The first socket joint groove 21 and the second socket joint groove 22 are symmetrically arranged with the both ends of the surface of connector body 2, first holds
Groove 21 and second socket joint groove 22 is inserted to be used to insert the with the grafting of steelplastic pipe 6 to be connected, i.e. a steelplastic pipe 6 to be connected respectively
In one socket joint groove 21, another steelplastic pipe 6 to be connected is inserted in the second socket joint groove 22, realizes two steelplastic pipes 6 to be connected
With the connection of connector body 2.
The first socket joint groove 21 is inserted for convenience of steelplastic pipe 6 to be connected, in the second socket joint groove 22, the first socket joint groove 21
Inner diameter be less than or equal to the internal diameter of steelplastic pipe 6 to be connected, the outer diameter of the first socket joint groove 21 is equal to steel to be connected
The external diameter of pipe 6 is moulded, i.e., certain space be present between the inside and outside wall of the socket joint groove 21 of steelplastic pipe 6 and first to be connected, can make
Obtain the frictional resistance being subject to during first socket joint groove 21 of the insertion of steelplastic pipe 6 to be connected to diminish, and then steelplastic pipe 6 to be connected is held very much
Easily inject in the first socket joint groove 21 of connector body 2, avoid the size of the first socket joint groove 21 smaller, can not insert to be connected
Steelplastic pipe 6 or insertion are more difficult.Similarly, the connection of the second socket joint groove 22 and steelplastic pipe 6 to be connected is all that gap is connected.
Further, the inwall length of connector body 2 is more than the peripheral wall length of connector body 2, i.e. the first socket joint is recessed
The inwall length of groove 21 is more than the peripheral wall length of the first socket joint groove 21.The both ends of the inwall of connector body 2 are fixedly installed respectively
Dilate mechanism 7, i.e., the interior intracavitary of connector body 2, be respectively arranged with the both ends of connector body 2 and dilate mechanism 7, dilate
The inwall of connector body 2 can radially be dilated out annular and dilate projection 63 by mechanism 7.
Treat that two steelplastic pipes 6 to be connected insert the first socket joint groove 21 and the second socket joint groove 22 respectively, dilate the work of mechanism 7
Expand outwardly, the inwall of connector body 2 radially dilated, at the same drive steelplastic pipe 6 to be connected also radially to
Extend out expansion and dilate projection 63, and the outer wall of connector body 2 holds out against the one end for dilating projection 63 respectively, prevents the attachment structure
When by larger pull-out force, dilate projection 63 makes disengagement of pipelines there may be deformation is recovered, but due to connector body 2
Outer wall has blocked the deformation direction for dilating projection 63, and therefore, the resistance to plucking that connector body can greatly improve attachment structure takes off energy
Power.
Further, the both ends of swivel nut 1 are provided with the annular shoulder projected radially inwards, the end face of annular shoulder
On be respectively arranged with the first internal thread 11 and the second internal thread 12, and the rotation direction of the first internal thread 11 and the rotation of the second internal thread 12
To on the contrary, the i.e. both ends of swivel nut 1 set bidirectional helical respectively.Spiral shell in upper and the first internal thread 11 and second of steelplastic pipe 6 to be connected
The corresponding opening position of line 12, which is set, is respectively arranged with the first external screw thread 61 and the second external screw thread 62, the first internal thread 11 and first
External screw thread 61 is threadedly coupled, and the second internal thread 12 is threadedly coupled with the second external screw thread 62, so as to add two steel modelings to be connected
The stable connection of pipe 6.
Further, the annular shoulder at the both ends of swivel nut 1 holds out against the other end for dilating projection 63, by steelplastic pipe 6 to be connected
Dilate projection 63 to be fixed between annular shoulder and connector body 2, prevent that dilating projection 63 recovers deformation, causes steel to be connected
Mould the disengaging of pipe 6 and connector body 2.
The other structures of the embodiment are identical with the structure of embodiment one, and here is omitted.
Swivel nut 1 when mounted, is enclosed on a steel to be connected by the steel-plastic pipe union that the utility model embodiment provides first
Mould on pipe 6, afterwards insert steelplastic pipe 6 to be connected in first socket joint groove 21 of connector body 2, then by another company for the treatment of
Connect steelplastic pipe 6 to insert through swivel nut 1 in second socket joint groove 22 of connector body 2, be rotated further by swivel nut 1, pass through spiral shell in first
One steelplastic pipe 6 to be connected is fixedly connected with swivel nut 1 by line 11 with the first external screw thread 61, passes through the second internal thread 12 and the second outer spiral shell
Another steelplastic pipe 6 to be connected is fixedly connected with swivel nut 1 by line 62, is finally opened and is dilated mechanism 7, dilates mechanism 7 by connector sheet
The inwall of body 2 radially dilates out with steelplastic pipe 6 to be connected and dilates projection, and the outer wall of connector body 2 holds out against two respectively
Individual one end for dilating projection, so as to realize being connected for two steelplastic pipes to be connected.
The steel-plastic pipe union that the utility model embodiment provides passes through the first socket joint groove and second on connector body
Socket joint groove realizes the connection of two steelplastic pipes to be connected and connector body, is made by the projection that dilates of connector chamber body
Obtain steelplastic pipe formation to be connected and dilate projection, be stuck between connector body and swivel nut, then the spiral shell by connector body exterior
Set is threadedly coupled with steelplastic pipe to be connected, realizes that two steelplastic pipes to be connected move round about, so that two to be connected
Steelplastic pipe closer to.Company is fixed using oppositely oriented screw thread and steelplastic pipe to be connected in the steel-plastic pipe union that the application provides
Connect, prevent steelplastic pipe to be connected from departing from connector body, substantially increase stable connection.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice the disclosure of utility model here
New other embodiments.The application is intended to any modification, purposes or adaptations of the present utility model, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
Above-described the utility model embodiment does not form the restriction to scope of protection of the utility model.
Claims (7)
1. a kind of steel-plastic pipe union, it is characterised in that including connector body (2) and be set in the connector body (2) outside
The swivel nut (1) in portion, wherein,
The first socket joint groove (21) and the second socket joint groove (22) are symmetrically arranged with the both ends of the surface of the connector body (2),
Sealing ring (3) is filled between the first socket joint groove (21) and the second socket joint groove (22)；
The both ends of the swivel nut (1) are provided with the annular shoulder projected radially inwards, on the end face of the annular shoulder
The first internal thread (11) and the second internal thread (12) are respectively arranged with, in the rotation direction and described second of first internal thread (11)
Screw thread (12) it is oppositely oriented.
2. steel-plastic pipe union as claimed in claim 1, it is characterised in that the outside of the swivel nut (1) adds provided with electromagnetic induction
Hot device (4), the length of the electromagnetic induction heater (4) are more than or equal to the length of the connector body (2).
3. steel-plastic pipe union as claimed in claim 1, it is characterised in that the inwall length of the connector body (2) is more than
The peripheral wall length of the connector body (2), the both ends of connector body (2) inwall are fixedly installed respectively dilates structure
(7)。
4. steel-plastic pipe union as claimed in claim 3, it is characterised in that the center line for dilating structure (7) and the company
The center line of fitting body (2) is parallel.
5. steel-plastic pipe union as claimed in claim 1, it is characterised in that the inner diameter of the first socket joint groove (21) is small
In or equal to steelplastic pipe (6) to be connected internal diameter, the outer diameter of the first socket joint groove (21) is equal to the steel to be connected
The external diameter of modeling pipe (6).
6. steel-plastic pipe union as claimed in claim 1, it is characterised in that the connector body (2) and the outer wall of swivel nut (1)
On be provided with two peep holes (5), the peep hole (5) extends through the connector body (2) and swivel nut (1), and institute
It is relative to state first socket joint groove (21), second socket joint groove (22) of the peep hole (5) respectively with connector body (2) both ends
Should.
7. steel-plastic pipe union as claimed in claim 6, it is characterised in that the peep hole (5) is respectively further from described first and held
Insert the openend of groove (21) and the second socket joint groove (22), and the center line of described two peep holes (5) with the connection
The central axis of part body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018734.8U CN207064886U (en) | 2017-08-15 | 2017-08-15 | A kind of steel-plastic pipe union |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018734.8U CN207064886U (en) | 2017-08-15 | 2017-08-15 | A kind of steel-plastic pipe union |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064886U true CN207064886U (en) | 2018-03-02 |
Family
ID=61515832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721018734.8U Expired - Fee Related CN207064886U (en) | 2017-08-15 | 2017-08-15 | A kind of steel-plastic pipe union |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064886U (en) |
-
2017
- 2017-08-15 CN CN201721018734.8U patent/CN207064886U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |