CN205781577U - High density polyethylene (HDPE) feed pipe assembly - Google Patents
High density polyethylene (HDPE) feed pipe assembly Download PDFInfo
- Publication number
- CN205781577U CN205781577U CN201620423659.2U CN201620423659U CN205781577U CN 205781577 U CN205781577 U CN 205781577U CN 201620423659 U CN201620423659 U CN 201620423659U CN 205781577 U CN205781577 U CN 205781577U
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- CN
- China
- Prior art keywords
- sealing ring
- hdpe
- high density
- density polyethylene
- feed pipe
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Abstract
This utility model provides a kind of high density polyethylene (HDPE) feed pipe assembly, including connecting tube, it is characterized in that, described connecting tube includes corrugated tube, the inner side of described corrugated tube is provided with metal inner lining by adhesive layer, described corrugated tube outer sheath is provided with the protection spring housing preventing corrugated tube bending excessive, described connecting tube be respectively arranged at two ends with connection end, coordinate on described connection end and connecting portion is installed, described connecting portion is for being integrally connected connecting tube with the connection end on air supply pipe, the two ends of described protection spring housing are respectively at the fixing connection of two connecting portions, dismountable sealing ring it is provided with in described connecting portion.This utility model has good resistance to bending performance, and connection sealing is good.
Description
Technical field
This utility model belongs to the technical field of tubing, especially relates to a kind of high density and gathers
Ethylene feed pipe assembly.
Background technology
Water pipe is the pipeline supplied water, and modern finishing water pipe is all to use to bury wall construction, water
The classification of pipe has three kinds, and the first kind is metal tube, as interior slush moulding material hot dip cast iron pipe,
Copper pipe, stainless steel tube etc..Equations of The Second Kind is to mould multiple metal tube, and as moulded multiple steel pipe, plastic-aluminum is multiple
Close pipe etc..But aforementioned tubes the most easily occurs that bending excessively causes pipe
The problem that material is damaged, and the sealing property of the attachment structure of aforementioned tubes is poor, and connect
Step is complex.
Summary of the invention
The purpose of this utility model is for the problems referred to above, it is provided that a kind of high density polyethylene (HDPE)
Feed pipe assembly, has good resistance to bending performance, and connection sealing is good.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this is highly dense
Degree polyethylene feed pipe assembly, including connecting tube, it is characterised in that described connecting tube
Including corrugated tube, the inner side of described corrugated tube is provided with metal inner lining by adhesive layer, institute
The corrugated tube outer sheath stated is provided with the protection spring housing preventing corrugated tube bending excessive, described
Connecting tube be respectively arranged at two ends with connection end, on described connection end coordinate install
Having connecting portion, described connecting portion is for entering connecting tube with the connection end on air supply pipe
Row one connects, and the two ends of described protection spring housing are fixing even respectively at two connecting portions
Connect, in described connecting portion, be provided with dismountable sealing ring.
In above-mentioned high density polyethylene (HDPE) feed pipe assembly, in described connecting portion inwall
Portion is provided with the annular protrusion with positioning function, is embedded with sealing in described annular protrusion
Circle, the thickness of described sealing ring is equal to the thickness of annular protrusion, on described sealing ring
Offering passage, two adjacent connection ends support the both sides being located at sealing ring respectively.
In above-mentioned high density polyethylene (HDPE) feed pipe assembly, described connection end is provided with
External screw thread, described connecting portion coordinates peace by female thread with the external screw thread on connection end
Dress.
In above-mentioned high density polyethylene (HDPE) feed pipe assembly, described annular protrusion is opened
Being provided with annular groove, described sealing ring is provided with the bulge loop being embedded in annular groove.
In above-mentioned high density polyethylene (HDPE) feed pipe assembly, the both sides of described sealing ring
Being equipped with outward extending sealing ring, described sealing ring is attached at the inwall of connection end
Place.
In above-mentioned high density polyethylene (HDPE) feed pipe assembly, the center of described passage
Axis coincides with the center of sealing ring, and the diameter of described passage is interior less than body
Footpath.
In above-mentioned high density polyethylene (HDPE) feed pipe assembly, described metal inner lining is not
The netted liner that rust steel matter prepares.
Compared with prior art, the utility model has the advantage of: needing bending
Installation place uses connecting tube to carry out transition installation, and connecting tube main body uses has good bending
The corrugated tube of performance, simultaneously sheathed protection spring housing outside connecting tube, it is possible to the company of avoiding
Taking over using is that bending damaged phenomenon excessively occurs, improves the bending resistance of connecting tube
Folding endurance energy.
Accompanying drawing explanation
Fig. 1 is that the structure of the high density polyethylene (HDPE) feed pipe assembly that this utility model provides is shown
It is intended to.
Fig. 2 is the profile of the connecting tube that this utility model provides.
In figure, connecting tube 1, corrugated tube 1a, adhesive layer 1b, metal inner lining 1c, protection
Spring housing 1d, connection end 11, connecting portion 2, air supply pipe 5, sealing ring 4, annular
Projection 3, passage 41, external screw thread 11a, annular groove 31, bulge loop 42, sealing ring
43。
Detailed description of the invention
As shown in Figure 1 and Figure 2, this programme includes connecting tube 1, it is characterised in that connect
Pipe 1 includes that corrugated tube 1a, the inner side of corrugated tube 1a are provided with in metal by adhesive layer 1b
Lining 1c, corrugated tube 1a outer sheath is provided with the protection spring preventing corrugated tube 1a bending excessive
Set 1d, connecting tube 1 be respectively arranged at two ends with connection end 11, connection end 11 is joined
Conjunction is provided with connecting portion 2, and connecting portion 2 is for by connecting tube 1 and the company on air supply pipe 5
Connecing termination 11 integrally to connect, the two ends of protection spring housing 1d are respectively at two connections
Portion 2 is fixing to be connected, and is provided with dismountable sealing ring 4 in connecting portion 2.
Say further, in the middle part of connecting portion 2 inwall, be provided with the convex annular with positioning function
Playing 3, be embedded with sealing ring 4 in annular protrusion 3, the thickness of sealing ring 4 is equal to convex annular
Play the thickness of 3, sealing ring 4 offers passage 41, two adjacent connection ends
11 support the both sides being located at sealing ring 4 respectively.
Specifically, connection end 11 is provided with external screw thread 11a, and connecting portion 2 is by interior
Screw thread coordinates installation with the external screw thread 11a on connection end 11.
Say further, annular protrusion 3 offers annular groove 31, on sealing ring 4
It is provided with the bulge loop 42 being embedded in annular groove 31.
Specifically, the both sides of sealing ring 4 are equipped with outward extending sealing ring 43, close
Seal ring 43 is attached at the inwall of connection end 11.The central axis of passage 41 is with close
The center of seal 4 coincides, and the diameter of passage 41 is less than the internal diameter of body 1.
Specifically, metal inner lining 1c is the netted liner that stainless steel prepares.
Operation principle: use connecting tube 1 to carry out transition installation in the installation place needing bending,
Connecting tube 1 main body uses the corrugated tube 1a with good bending performance, simultaneously in connecting tube
Sheathed protection spring housing 1d outside 1, it is possible to avoiding connecting tube 1 is that bending is excessive in use
And the phenomenon of breakage occurs, improve the resistance to bending performance of connecting tube 1.
Connecting tube 1 is threadeded by connecting portion 2 with the air supply pipe 5 installed straight,
Annular protrusion 3 in the middle part of connecting portion 2 inwall has positioning function, annular protrusion 3 simultaneously
Inside it is embedded with sealing ring 4 and can improve the sealing property of two connection end 11 junctions,
The both sides of sealing ring 4 are equipped with outward extending sealing ring 43, it is possible to improve further even
Connect termination 11 to contact with annular protrusion 3 sealing property of side, this exterior seal ring 4
Detachably it is arranged on annular protrusion 3, it is simple to change and overhaul.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employing connecting tube 1, corrugated tube 1a, adhesive layer 1b, gold
Belong to liner 1c, protection spring housing 1d, connection end 11, connecting portion 2, air supply pipe 5,
Sealing ring 4, annular protrusion 3, passage 41, external screw thread 11a, annular groove 31,
The terms such as bulge loop 42, sealing ring 43, but it is not precluded from using the probability of other term.
Use these terms to be only used to more easily and describe and explain of the present utility model
Matter, being construed as any additional restriction is all and this utility model spirit phase
Run counter to.
Claims (7)
- null1. a high density polyethylene (HDPE) feed pipe assembly，Including connecting tube (1)，It is characterized in that，Described connecting tube (1) includes corrugated tube (1a)，The inner side of described corrugated tube (1a) is provided with metal inner lining (1c) by adhesive layer (1b)，Described corrugated tube (1a) outer sheath is provided with and prevents corrugated tube (1a) from bending excessive protection spring housing (1d)，Described connecting tube (1) be respectively arranged at two ends with connection end (11)，The upper cooperation of described connection end (11) is provided with connecting portion (2)，Described connecting portion (2) is for being integrally connected connecting tube (1) with the connection end (11) on air supply pipe (5)，The two ends of described protection spring housing (1d) are respectively at the fixing connection of two connecting portions (2)，It is provided with dismountable sealing ring (4) in described connecting portion (2).
- High density polyethylene (HDPE) feed pipe assembly the most according to claim 1, it is characterized in that: in the middle part of described connecting portion (2) inwall, be provided with the annular protrusion (3) with positioning function, it is embedded with sealing ring (4) in described annular protrusion (3), the thickness of described sealing ring (4) is equal to the thickness of annular protrusion (3), offering passage (41) on described sealing ring (4), two adjacent connection ends (11) support the both sides being located at sealing ring (4) respectively.
- High density polyethylene (HDPE) feed pipe assembly the most according to claim 1, it is characterized in that: described connection end (11) is provided with external screw thread (11a), described connecting portion (2) coordinates installation by female thread with the external screw thread (11a) on connection end (11).
- High density polyethylene (HDPE) feed pipe assembly the most according to claim 2, it is characterized in that: offer annular groove (31) on described annular protrusion (3), described sealing ring (4) is provided with the bulge loop (42) being embedded in annular groove (31).
- High density polyethylene (HDPE) feed pipe assembly the most according to claim 1, it is characterized in that: the both sides of described sealing ring (4) are equipped with outward extending sealing ring (43), described sealing ring (43) is attached at the inwall of connection end (11).
- High density polyethylene (HDPE) feed pipe assembly the most according to claim 2, it is characterized in that: the central axis of described passage (41) coincides with the center of sealing ring (4), the diameter of described passage (41) is less than the internal diameter of connecting tube (1).
- High density polyethylene (HDPE) feed pipe assembly the most as claimed in any of claims 1 to 6, it is characterised in that: described metal inner lining (1c) is the netted liner that stainless steel prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423659.2U CN205781577U (en) | 2016-05-11 | 2016-05-11 | High density polyethylene (HDPE) feed pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423659.2U CN205781577U (en) | 2016-05-11 | 2016-05-11 | High density polyethylene (HDPE) feed pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781577U true CN205781577U (en) | 2016-12-07 |
Family
ID=57408918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620423659.2U Active CN205781577U (en) | 2016-05-11 | 2016-05-11 | High density polyethylene (HDPE) feed pipe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781577U (en) |
-
2016
- 2016-05-11 CN CN201620423659.2U patent/CN205781577U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |