CN210397987U - HDPE double-wall corrugated pipe - Google Patents
HDPE double-wall corrugated pipe Download PDFInfo
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- CN210397987U CN210397987U CN201920879284.4U CN201920879284U CN210397987U CN 210397987 U CN210397987 U CN 210397987U CN 201920879284 U CN201920879284 U CN 201920879284U CN 210397987 U CN210397987 U CN 210397987U
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- pipe
- wall
- annular
- corrugated pipe
- corrugated
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Abstract
The utility model discloses a HDPE double-wall corrugated pipe, which comprises an inner pipe, an inner joint, a corrugated outer pipe and an outer joint; the inner pipe is hollow, the inner wall of the inner pipe is provided with a waterproof layer, and the inner interface is arranged at one end of the inner pipe and comprises an annular gasket and external threads; the corrugated outer pipe is arranged on the outer side of the inner pipe and comprises wave crests and wave troughs which are alternately arranged along the axial direction of the double-wall corrugated pipe, the interior of the wave crests is hollow, and the inner cavities of the wave crests are provided with elastic components; the outer interface comprises an outer shell and an internal thread, the outer shell is correspondingly arranged at the other end of the inner pipe, and the internal thread is arranged on the inner wall of the outer shell; the HDPE double-wall corrugated pipe has good compression resistance, the joint is convenient to install, and the corrugated pipe is not easy to loosen and break away after installation, so that the double-wall corrugated pipe is favorable for installation and long-term use.
Description
Technical Field
The utility model relates to a pipe fitting technical field specifically is a HDPE double-walled bellows.
Background
A high-density polyethylene (HDPE) double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, is firstly developed and succeeded in Germany in the beginning of the 80 s, has been developed and perfected for more than ten years, has been developed from a single variety to a whole product series, is mature in production process and use technology at present, and has excellent performance and relatively economic manufacturing cost, the HDPE double-wall corrugated pipe has been greatly popularized and applied in developed countries such as Europe and America, and in China, the popularization and application of the HDPE double-wall corrugated pipe are in the rising trend stage, but the compression resistance of the existing double-wall corrugated pipe is not good, the damage of the pipe body is easy to cause under the environment with larger pressure, and the joint of the prior HDPE double-wall corrugated pipe is inconvenient to install, and after long-term use, two adjacent double-wall corrugated pipes are easy to loosen and separate, and the installation and the use are influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a HDPE double-walled bellows, have good compressive property, connect the installation of being convenient for moreover, also be difficult for appearing becoming flexible after the installation and break away from, be favorable to the installation and the long-term use of double-walled bellows, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an HDPE double-wall corrugated pipe comprises an inner pipe, an inner joint, a corrugated outer pipe and an outer joint;
the inner pipe is hollow, and the inner wall of the inner pipe is provided with a waterproof layer which can prevent external water from permeating into the inner wall of the inner pipe and can also prevent the inner pipe from leaking when the inner pipe is used as a water pipe;
the inner interface is arranged at one end of the inner pipe and comprises an annular gasket and an external thread, the annular gasket is arranged on the outer wall of the inner pipe, and the external thread is correspondingly arranged on the front side of the annular gasket;
the corrugated outer pipe is arranged on the outer side of the inner pipe and comprises wave crests and wave troughs which are alternately arranged along the axial direction of the double-wall corrugated pipe, the wave crests are hollow, and the inner cavities of the wave crests are provided with elastic parts;
the outer interface comprises an outer shell and an internal thread, the outer shell is correspondingly arranged at the other end of the inner pipe, and the internal thread is arranged on the inner wall of the outer shell;
wherein: the diameter of external tapping inner wall corresponds the same with the diameter of internal tapping outer wall, and the internal thread corresponds with the external screw thread, corresponds threaded connection through internal thread and external screw thread with on two HDPE double-walled bellows, and the equipment that can be convenient quick, and prevent that it is not hard up to break away from.
Furthermore, elastomeric element includes fixing base, compression spring and telescopic link, the fixing base annular is arranged in the bottom of crest inner chamber, the upper surface of fixing base is arranged in to the telescopic link, the top of telescopic link and the top fixed connection of crest inner chamber, the outside of telescopic link is arranged in to compression spring, compression spring's one end is fixed at the upper surface of fixing base, the height that highly is less than the telescopic link of the other end of compression spring can play the cushioning effect through telescopic link and compression spring, improves compressive capacity.
Furthermore, the device also comprises an annular reinforcing rib, wherein the annular reinforcing rib is correspondingly arranged in the groove of the wave trough, and the annular reinforcing rib plays roles of assisting in resisting pressure and preventing pressure deformation.
Furthermore, the clamping ring further comprises an annular clamping groove, and the annular clamping groove is formed in one side, close to the external thread, of the annular gasket.
Further, still include annular fixture block, the outside end of shell is arranged in to annular fixture block, annular fixture block corresponds with ring groove, through annular fixture block and ring groove joint, makes the kneck of two HDPE double-walled bellows combine inseparabler, prevents not hard up the separation.
Compared with the prior art, the beneficial effects of the utility model are that: the HDPE double-wall corrugated pipe has the following advantages:
1. the elastic part is arranged in the inner cavity of the wave crest, when the corrugated outer pipe is subjected to external pressure, the compression spring and the telescopic rod can play a role in buffering, the compression resistance of the HDPE double-wall corrugated pipe is improved, the annular reinforcing ribs in the wave troughs can prevent the HDPE double-wall corrugated pipe from being extruded and deformed, and compression resistance is further assisted;
2. through the internal thread of external tapping and the external screw thread of internal tapping can be fast convenient carry out the aggregate erection to two HDPE double-walled bellows to through the annular clamping groove on the annular gasket and the annular fixture block cooperation on the external tapping, prevent that the kneck from using not hard up breaking away from for a long time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
In the figure: 1 inner tube, 2 waterproof layers, 3 inner interfaces, 301 annular gaskets, 302 external threads, 4 annular reinforcing ribs, 5 corrugated outer tubes, 501 wave crests, 502 wave troughs, 6 annular clamping grooves, 7 outer interfaces, 701 shells, 702 internal threads, 8 elastic parts, 801 fixing seats, 802 compression springs, 803 telescopic rods and 9 annular clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an HDPE double-wall corrugated pipe comprises an inner pipe 1, an inner joint 3, a corrugated outer pipe 5 and an outer joint 7;
the inner pipe 1 is characterized in that the inner part of the inner pipe 1 is hollow, a waterproof layer 2 is arranged on the inner wall of the inner pipe 1, and the waterproof layer 2 can prevent external water from permeating into the inner wall of the inner pipe 1 and can also prevent the inner pipe 1 from leaking when being used as a water pipe;
The corrugated outer pipe 5 is characterized in that the corrugated outer pipe 5 is arranged on the outer side of the inner pipe 1, the corrugated outer pipe 5 comprises wave crests 501 and wave troughs 502, the wave crests 501 and the wave troughs 502 are alternately arranged along the axial direction of the double-wall corrugated pipe, the interior of the wave crests 501 is hollow, and the inner cavities of the wave crests 501 are provided with elastic components 8; elastic component 8 includes fixing base 801, compression spring 802 and telescopic link 803, the bottom at the crest 501 inner chamber is established to fixing base 801 annular arrangement, fixing base 801's upper surface is arranged in to telescopic link 803, the top of telescopic link 803 and the top fixed connection of crest 501 inner chamber, the outside of telescopic link 803 is arranged in to compression spring 802, the upper surface at fixing base 801 is fixed to compression spring 802's one end, the height that highly is less than telescopic link 803 of the other end of compression spring 802, can play the cushioning effect through telescopic link 803 and compression spring 802, improve compressive capacity. The novel corrugated pipe is characterized by further comprising an annular reinforcing rib 4, wherein the annular reinforcing rib 4 is correspondingly arranged in the groove of the wave trough 502, and the annular reinforcing rib 4 plays a role in assisting compression resistance and preventing compression deformation.
The external interface 7 comprises an outer shell 701 and an internal thread 703, wherein the outer shell 701 is correspondingly arranged at the other end of the inner pipe 1, and the internal thread 703 is arranged on the inner wall of the outer shell 701; still include annular fixture block 9, the outside end of shell 701 is arranged in to annular fixture block 9, and annular fixture block 9 corresponds with ring groove 6, through annular fixture block 9 and 6 joints of ring groove, makes the kneck combination of two HDPE double-walled bellows inseparabler, prevents not hard up the separation.
Wherein: the diameter of external joint 7 inner wall corresponds the same with the diameter of internal joint 3 outer wall, and internal thread 703 corresponds with external screw thread 302, through corresponding threaded connection with internal thread 703 and external screw thread 302 on two HDPE double-walled bellows, can convenient quick equipment, and prevent that it is not hard up to break away from.
When in use:
when the installation, correspond threaded connection with internal thread 703 on two HDPE double-walled bellows and external screw thread 302, equipment that can be convenient quick, annular fixture block 9 and ring groove 6 joint with corresponding simultaneously, it is inseparabler to make the kneck of two HDPE double-walled bellows combine, prevent not hard up the breaking away from, in the use after the installation, telescopic link 803 and compression spring 802 are flexible along with the size of pressure, can play the cushioning effect, improve HDPE double-walled bellows compressive capacity, and annular strengthening rib 4 also can open supplementary resistance to compression and prevent the effect of compressive deformation, waterproof layer 2 that is located inner tube 1 inner wall can prevent that outside water from permeating gets into inner tube 1 inner wall, also can be when being used as the water pipe, place inner tube 1 and leak.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An HDPE double-wall corrugated pipe, which is characterized in that: comprises an inner pipe (1), an inner interface (3), a corrugated outer pipe (5) and an outer interface (7);
the inner pipe (1) is hollow, and a waterproof layer (2) is arranged on the inner wall of the inner pipe (1);
the inner interface (3) is arranged at one end of the inner pipe (1), the inner interface (3) comprises an annular gasket (301) and an external thread (302), the annular gasket (301) is arranged on the outer wall of the inner pipe (1), and the external thread (302) is correspondingly arranged at the front side of the annular gasket (301);
the corrugated outer pipe (5) is arranged on the outer side of the inner pipe (1), the corrugated outer pipe (5) comprises wave crests (501) and wave troughs (502), the wave crests (501) and the wave troughs (502) are alternately arranged along the axial direction of the double-wall corrugated pipe, the interior of the wave crests (501) is hollow, and the inner cavities of the wave crests (501) are provided with elastic components (8);
the external interface (7) comprises an outer shell (701) and an internal thread (703), the outer shell (701) is correspondingly arranged at the other end of the inner pipe (1), and the internal thread (703) is arranged on the inner wall of the outer shell (701);
wherein: the diameter of the inner wall of the external interface (7) is the same as that of the outer wall of the internal interface (3), and the internal thread (703) corresponds to the external thread (302).
2. HDPE double-wall corrugated pipe according to claim 1, characterized in that: elastic component (8) are including fixing base (801), compression spring (802) and telescopic link (803), fixing base (801) annular arrangement is established in the bottom of crest (501) inner chamber, the upper surface of fixing base (801) is arranged in telescopic link (803), the top of telescopic link (803) and the top fixed connection of crest (501) inner chamber, the outside of telescopic link (803) is arranged in compression spring (802), the upper surface at fixing base (801) is fixed to the one end of compression spring (802), the height of the other end of compression spring (802) is less than the height of telescopic link (803).
3. HDPE double-wall corrugated pipe according to claim 1, characterized in that: the novel corrugated pipe is characterized by further comprising an annular reinforcing rib (4), wherein the annular reinforcing rib (4) is correspondingly arranged in the groove of the wave trough (502).
4. HDPE double-wall corrugated pipe according to claim 1, characterized in that: the novel screw rod further comprises an annular clamping groove (6), wherein the annular clamping groove (6) is formed in one side, close to the external thread (302), of the annular gasket (301).
5. HDPE double-wall corrugated pipe according to claim 4, characterized in that: the clamping device is characterized by further comprising an annular clamping block (9), wherein the annular clamping block (9) is arranged at the outer side end of the shell (701), and the annular clamping block (9) corresponds to the annular clamping groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879284.4U CN210397987U (en) | 2019-06-12 | 2019-06-12 | HDPE double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879284.4U CN210397987U (en) | 2019-06-12 | 2019-06-12 | HDPE double-wall corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397987U true CN210397987U (en) | 2020-04-24 |
Family
ID=70349151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879284.4U Expired - Fee Related CN210397987U (en) | 2019-06-12 | 2019-06-12 | HDPE double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397987U (en) |
-
2019
- 2019-06-12 CN CN201920879284.4U patent/CN210397987U/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: 20200424 |