CN208605744U - A kind of modified random copolymerization polypropylene pipe fittings - Google Patents
A kind of modified random copolymerization polypropylene pipe fittings Download PDFInfo
- Publication number
- CN208605744U CN208605744U CN201820820430.1U CN201820820430U CN208605744U CN 208605744 U CN208605744 U CN 208605744U CN 201820820430 U CN201820820430 U CN 201820820430U CN 208605744 U CN208605744 U CN 208605744U
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- Prior art keywords
- inner tube
- flange disk
- tube
- annular
- face
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Abstract
The utility model discloses a kind of modified random copolymerization polypropylene pipe fittings, the pipe fitting includes atactic copolymerized polypropene inner tube, the atactic copolymerized polypropene outer tube being sheathed on outside the inner tube, the phenolic resin foam pipe being located between the outer tube and the inner tube, the inner tube first end end is equipped with the first flange disk that can be spirally connected with the inner tube first end, the inner tube second end end is equipped with the second flange disk that can be spirally connected with the inner tube second end, second face of first flange disk is equipped with the first annular slot being inserted into for the outer tube first end, the fixed pad of the first annular groove bottom wall is equipped with first annular gasket, first face of second flange disk is equipped with the second annular groove being inserted into for the outer tube second end, the second annular fixed pad of groove bottom wall is equipped with the second Gask-O-Seal；First face of first flange disk is equipped with third annular groove, and pad is set to the first annular sealing ring for protruding from first face of third annular groove in the third annular groove.
Description
Technical field
The utility model relates to a kind of modified random copolymerization polypropylene pipe fittings.
Background technique
Existing water pipe is typically only capable to be individually used for conveying cold water or hot water, when conveying hot water using cold water pipe, will cause
The damage of water pipe expanded by heating, and heat insulation effect is poor.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of modified nothing
Advise copolymer polypropylene pipe fitting.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of modified random copolymerization polypropylene
Pipe fitting, the pipe fitting include atactic copolymerized polypropene inner tube, the atactic copolymerized polypropene outer tube being sheathed on outside the inner tube, are located in this
Phenolic resin foam pipe between outer tube and the inner tube, the inner tube first end end are equipped with can be spirally connected with the inner tube first end the
One ring flange, the inner tube second end end are equipped with the second flange disk that can be spirally connected with the inner tube second end, the first flange disk the
Two faces are equipped with the first annular slot being inserted into for the outer tube first end, and the fixed pad of the first annular groove bottom wall is equipped with first annular close
Packing, first face of second flange disk are equipped with the second annular groove being inserted into for the outer tube second end, the second annular groove bottom wall
Fixed pad is equipped with the second Gask-O-Seal；
First face of first flange disk is equipped with third annular groove, and pad, which is set to, in the third annular groove protrudes from third annular
The first annular sealing ring in the first face of slot, second face of second flange disk are equipped with fourth annular slot, and pad is set in the fourth annular slot
In the second ring type seal for protruding from second face of fourth annular slot.
In modified random copolymerization polypropylene pipe fittings described in the utility model, second Middle face of first flange disk is fixed
Have the first connecting tube, which is equipped with the first external screw thread, the inner tube first end inner wall be equipped with can with this
First internal screw thread of one external thread bolt connection；First Middle face of second flange disk is installed with the second connecting tube, second connecting tube
Outer wall is equipped with the second external screw thread, which is equipped with can be with the second internal screw thread of second external thread bolt connection.
In modified random copolymerization polypropylene pipe fittings described in the utility model, which is less than the outer length of tube,
The length of the phenolic resin foam pipe is equal with the inner tube length.
In modified random copolymerization polypropylene pipe fittings described in the utility model, the difference of the outer length of tube and the inner tube length
Equal to the sum of the first annular groove depth and second annular groove depth.
Be equipped in modified random copolymerization polypropylene pipe fittings described in the utility model, in the middle part of first flange disk with this
The first through hole of one connecting tube connection, the diameter of the first through hole is equal with the internal diameter of first connecting tube, the first flange disk
It is equipped at least three first connecting holes；It is equipped with the second through-hole being connected to second connecting tube in the middle part of the second flange disk, it should
The diameter of second through-hole is equal with the internal diameter of second connecting tube, which is equipped at least three second connecting holes；
The third annular groove is set around outside the first through hole, which is set around outside second through-hole.
In modified random copolymerization polypropylene pipe fittings described in the utility model, gold is arranged with outside the phenolic resin foam pipe
Belong to silk bourdon tube.
The modified random copolymerization polypropylene pipe fittings for implementing the utility model have the advantages that practical new using this
When the modified random copolymerization polypropylene pipe fittings of type, by being folded with phenolic resin foam pipe between the inner and outer pipe sections, in inner tube
When conveying hot water, deformation occurs for inner tube expanded by heating, at this time since the thermally conductive formation of phenolic resin foam pipe is poor, can play heat-insulated
Effect, outer tube are notheated expansion, can effectively squeeze the deformation space of inner tube, guarantee that inner tube is notheated expansion and causes to damage.
Meanwhile playing the role of heat-insulation and heat-preservation by the way that phenolic resin foam pipe is arranged, prevent the heat of hot water to scatter and disappear outward.Outer tube by
To when impact, phenolic resin foam pipe can also play buffer function.Further, pass through setting first flange disk and the second method
Blue disk, convenient for being attached different pipe fittings.And when installing first flange disk, first flange disk and Internal Pipe Thread can be connected
It connects, during rotating first flange disk, is inserted into outer tube first end in first annular slot and is supported with first annular gasket
It connects to form sealing, when installing second flange disk, second flange disk can be connect with Internal Pipe Thread, in rotation second flange disk
In the process, it is inserted into outer tube second end in the second annular groove to abut to form sealing with the second Gask-O-Seal, can be realized the
The sealing of one ring flange and second flange disk is installed.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the decomposition texture schematic diagram of the utility model modified random copolymerization polypropylene pipe fittings.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
As shown in Figure 1, in the modified random copolymerization polypropylene pipe fittings first embodiment of the utility model, the pipe fitting 1 packet
Atactic copolymerized polypropene inner tube 2, the atactic copolymerized polypropene outer tube 3 being sheathed on outside the inner tube 2 are included, the outer tube 3 is located in and is somebody's turn to do
Phenolic resin foam pipe 4 between inner tube 2, the 2 first end end of inner tube are equipped with the first method that can be spirally connected with 2 first end of inner tube
Blue disk 5, the 2 second end end of inner tube are equipped with the second flange disk 6 that can be spirally connected with 2 second end of inner tube, the first flange disk 5 the
Two faces are equipped with the first annular slot being inserted into for 3 first end of outer tube, and the fixed pad of the first annular groove bottom wall is equipped with first annular
Gasket, 6 first face of second flange disk are equipped with the second annular groove 7 being inserted into for 3 second end of outer tube, second annular groove
The fixed pad of 7 bottom walls is equipped with the second Gask-O-Seal 8；
5 first face of first flange disk is equipped with third annular groove 19, in the third annular groove 19 pad be set to protrude from this
The first annular sealing ring 20 in three annular grooves, 19 first face, 6 second face of second flange disk are equipped with fourth annular slot, the Fourth Ring
Pad is set to the second ring type seal for protruding from second face of fourth annular slot in shape slot.
Using the utility model modified random copolymerization polypropylene pipe fittings 1 when, pass through the sandwiched between inner tube 2 and outer tube 3
There is phenolic resin foam pipe 4, when inner tube 2 conveys hot water, deformation occurs for 2 expanded by heating of inner tube, at this time since phenolic resin steeps
The thermally conductive formation of foam pipe 4 is poor, can play heat-blocking action, and outer tube 3 is notheated expansion, can effectively squeeze the deformation space of inner tube 2,
Guarantee that inner tube 2 is notheated expansion and causes to damage.Meanwhile playing the role of heat-insulation and heat-preservation by the way that phenolic resin foam pipe 4 is arranged,
The heat of hot water is prevented to scatter and disappear outward.When outer tube 3 is impacted, phenolic resin foam pipe 4 can also play buffer function.Into
One step, by setting first flange disk 5 and second flange disk 6, convenient for being attached different pipe fittings 1.And in installation first
When ring flange 5, first flange disk 5 can be threadedly coupled with inner tube 2, during rotating first flange disk 5, make outer tube 3
One end is inserted into first annular slot and abuts to form sealing with first annular gasket, can be by the when installing second flange disk 6
Two ring flanges 6 are threadedly coupled with inner tube 2, during rotating second flange disk 6,3 second end of outer tube are made to be inserted into the second ring
Formation sealing is abutted in shape slot 7 with the second Gask-O-Seal 8, the sealing peace of first flange disk 5 and second flange disk 6 can be realized
Dress.
Specifically, 5 second Middle face of first flange disk is installed with the first connecting tube 9, set on 9 outer wall of the first connecting tube
There is the first external screw thread 10, which is equipped with the first internal screw thread 11 that can be spirally connected with first external screw thread 10；It should
6 first Middle face of second flange disk is installed with the second connecting tube 12, which is equipped with the second external screw thread 13,
The 2 second end inner wall of inner tube is equipped with the second internal screw thread that can be spirally connected with second external screw thread 13.
Sealing is formed being inserted into first annular slot and the second annular groove 7 convenient for outer tube 3, which is less than should
3 length of outer tube, the length of the phenolic resin foam pipe 4 and 2 equal length of inner tube.Preferably, 3 length of outer tube and the inner tube
The difference of 2 length is equal to the sum of 7 depth of the first annular groove depth and the second annular groove.
Further, the first through hole 14 being connected to first connecting tube 9 is equipped in the middle part of the first flange disk 5, this first
The diameter of through-hole 14 is equal with the internal diameter of first connecting tube 9, which is equipped at least three first connecting holes
16；Be equipped with the second through-hole 15 for be connected to second connecting tube 12 in the middle part of the second flange disk 6, the diameter of second through-hole 15 and
The internal diameter of second connecting tube 12 is equal, which is equipped at least three second connecting holes 17；The third annular groove
19 are set around outside the first through hole 14, which is set around outside second through-hole 15.
Further, wire spring pipe 18 is arranged with outside the phenolic resin foam pipe 4.The wire spring pipe 18 is not if
Become rusty wire spring pipe.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of modified random copolymerization polypropylene pipe fittings, which is characterized in that the pipe fitting includes atactic copolymerized polypropene inner tube, set
Atactic copolymerized polypropene outer tube outside said inner tube, the phenolic resin foam being located between the outer tube and said inner tube
Pipe, said inner tube first end end are equipped with the first flange disk that can be spirally connected with said inner tube first end, said inner tube second end end
Portion is equipped with the second flange disk that can be spirally connected with said inner tube second end, and second face of first flange disk is equipped with for the outer tube
The first annular slot of first end insertion, the fixed pad of first annular groove bottom wall are equipped with first annular gasket, second method
Blue the first face of disk is equipped with the second annular groove being inserted into for the outer tube second end, and the described second annular fixed pad of groove bottom wall is equipped with
Second Gask-O-Seal；
First face of first flange disk is equipped with third annular groove, and pad, which is set to, in the third annular groove protrudes from the third ring
The first annular sealing ring in the first face of shape slot, second face of second flange disk are equipped with fourth annular slot, the fourth annular slot
Interior pad is set to the second ring type seal for protruding from second face of fourth annular slot.
2. modified random copolymerization polypropylene pipe fittings according to claim 1, which is characterized in that said inner tube length is less than institute
State outer length of tube, the length and said inner tube equal length of the phenolic resin foam pipe.
3. modified random copolymerization polypropylene pipe fittings according to claim 2, which is characterized in that the outer length of tube with it is described
The difference of inner tube length is equal to the sum of the first annular groove depth and second annular groove depth.
4. modified random copolymerization polypropylene pipe fittings according to claim 1, which is characterized in that the first flange disk second
Middle face is installed with the first connecting tube, and the first connection pipe outer wall is equipped with the first external screw thread, said inner tube first end inner wall
Being equipped with can be with the first internal screw thread of first external thread bolt connection；First Middle face of second flange disk is installed with the second company
Adapter tube, the second connection pipe outer wall are equipped with the second external screw thread, and said inner tube second end inner wall is equipped with can be with described second
Second internal screw thread of external thread bolt connection.
5. modified random copolymerization polypropylene pipe fittings according to claim 4, which is characterized in that in the middle part of the first flange disk
Equipped with the first through hole being connected to first connecting tube, the internal diameter phase of the diameter of the first through hole and first connecting tube
At least three first connecting holes are equipped with Deng, the first flange disk；It is equipped in the middle part of the second flange disk and connects with described second
The second through-hole of connection is taken over, the diameter of second through-hole is equal with the internal diameter of second connecting tube, the second flange
Disk is equipped at least three second connecting holes；The third annular groove is set around outside the first through hole, the fourth annular slot
It is set around outside second through-hole.
6. modified random copolymerization polypropylene pipe fittings according to claim 1, which is characterized in that the phenolic resin foam pipe
It is arranged with wire spring pipe outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820820430.1U CN208605744U (en) | 2018-05-30 | 2018-05-30 | A kind of modified random copolymerization polypropylene pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820820430.1U CN208605744U (en) | 2018-05-30 | 2018-05-30 | A kind of modified random copolymerization polypropylene pipe fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605744U true CN208605744U (en) | 2019-03-15 |
Family
ID=65661938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820820430.1U Expired - Fee Related CN208605744U (en) | 2018-05-30 | 2018-05-30 | A kind of modified random copolymerization polypropylene pipe fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605744U (en) |
-
2018
- 2018-05-30 CN CN201820820430.1U patent/CN208605744U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 |