CN214744080U - Novel steel band reinforced polyethylene spiral corrugated pipe - Google Patents
Novel steel band reinforced polyethylene spiral corrugated pipe Download PDFInfo
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- CN214744080U CN214744080U CN202121283156.7U CN202121283156U CN214744080U CN 214744080 U CN214744080 U CN 214744080U CN 202121283156 U CN202121283156 U CN 202121283156U CN 214744080 U CN214744080 U CN 214744080U
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Abstract
The utility model discloses a novel steel band reinforced polyethylene helical bellows, which comprises a pipe body, wherein one end of the pipe body is provided with a socket, the other end of the pipe body is provided with a socket, the outer wall of the socket is provided with a groove, guide rods which are uniformly distributed are arranged in the groove, the guide rods are provided with springs, the tail ends of the springs are connected with a sealing ring, and the tail ends of the socket are provided with a necking; the bellmouth includes first straight section, reducing section and the second straight section that the integral type is connected, and the inner wall of reducing section and the outer wall structure phase-match of throat are equipped with the draw-in groove that corresponds the setting with the recess on the inner wall of second straight section, and the degree of depth of draw-in groove is less than the thickness of sealing washer, and the end of second straight section is equipped with the flaring. The utility model adopts the above structure novel steel band reinforcing polyethylene helical bellows, simple structure, construction convenience increases substantially work efficiency, can guarantee the leakproofness of junction simultaneously.
Description
Technical Field
The utility model relates to the technical field of pipeline, especially, relate to a novel steel band reinforcing polyethylene helical bellows.
Background
At present, the existing steel strip reinforced polyethylene helical bellows adopts the following modes when in connection: directly butting the ends of the two steel strip reinforced polyethylene spiral corrugated pipes, wrapping an electric hot melting belt at the outer side of a joint after butt joint, and connecting the two steel strip reinforced polyethylene spiral corrugated pipes into a whole through the electric hot melting belt; this approach has the following disadvantages: 1. the hot melting welding is needed on the construction site, the working efficiency is low, and the labor intensity of workers is high. 2. When the hot-melt welding is carried out under the construction condition with severe environment, the welding quality is difficult to ensure, the sealing property is poor, and the leakage phenomenon is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel steel band reinforcing polyethylene helical bellows, simple structure, construction convenience increases substantially work efficiency, can guarantee the leakproofness of junction simultaneously.
In order to achieve the purpose, the utility model provides a novel steel band reinforced polyethylene helical bellows, which comprises a pipe body, wherein one end of the pipe body is provided with a socket, the other end of the pipe body is provided with a socket, the inner diameter of the socket is equal to the inner diameter of the joint of the socket and the pipe body, the outer wall of the socket is provided with a groove, guide rods which are uniformly distributed are arranged in the groove, a spring is arranged on each guide rod, the tail end of the spring is connected with a sealing ring, the depth of the groove is greater than the length of the guide rod, the tail end of the socket is provided with a necking, the inner diameter of the necking is equal to the inner diameter of the socket, and the outer diameter of the necking is gradually reduced from one end close to the pipe body to one end far away from the pipe body;
the bellmouth comprises a first flat straight section, a reducing section and a second flat straight section which are connected in an integrated manner, the inner diameter of the first flat straight section is equal to the inner diameter of the joint of the first flat straight section and the pipe body, the outer diameter of the first flat straight section is equal to the outer diameter of the joint of the first flat straight section and the pipe body, the inner wall of the reducing section is matched with the outer wall structure of the bellmouth, a clamping groove which is arranged corresponding to the groove is formed in the inner wall of the second flat straight section, the depth of the clamping groove is smaller than the thickness of the sealing ring, a flaring is arranged at the tail end of the second flat straight section, the outer diameter of the flaring is equal to the outer diameter of the second flat straight section, and the inner diameter of the flaring is gradually increased from one end close to the pipe body to one end far away from the pipe body.
Preferably, the socket and the socket are welded with the pipe body in a hot melting mode.
Preferably, the distance from the outer wall of the flaring to the bottom of the groove is greater than the distance from the outer side surface of the sealing ring to the bottom of the groove when the spring is in a free state.
Preferably, when the spring is in a free state, the distance from the inner side surface of the sealing ring to the bottom of the groove is smaller than the depth of the groove, and the distance from the outer side surface of the sealing ring to the bottom of the groove is larger than the distance between the clamping groove and the groove.
Therefore, the utility model adopts the above structure novel steel band reinforcing polyethylene helical bellows, simple structure, construction convenience increases substantially work efficiency, can guarantee the leakproofness of junction simultaneously.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of an embodiment of the steel-band reinforced polyethylene helical bellows in a connection state.
Reference numerals
1. A pipe body; 2. an interface; 3. a socket; 4. a groove; 5. a guide bar; 6. a spring; 7. a seal ring; 8. necking; 9. a first straight section; 10. a diameter-changing section; 11. a second straight section; 12. a card slot; 13. and (4) flaring.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is the schematic diagram of the embodiment of the utility model discloses under steel band reinforcing polyethylene helical bellows connected state, as shown in the figure, a novel steel band reinforcing polyethylene helical bellows, including body 1, the one end of body 1 is equipped with interface 2, and the other end of body 1 is equipped with interface 3, interface 2 and interface 3 all with 1 hot melt welding of body. The inner diameter of the interface 2 is equal to the inner diameter of the joint of the interface and the pipe body 1, so that the stability of fluid flow is ensured. Be equipped with recess 4 on the outer wall of interface 2, be equipped with evenly distributed's guide bar 5 in the recess 4, be equipped with spring 6 on the guide bar 5, the degree of depth of recess 4 is greater than the length of guide bar 5, and guide bar 5 can play limiting displacement to spring 6's flexible direction. The end of the spring 6 is connected with the sealing ring 7, when the spring 6 is in a free state, the distance from the inner side surface of the sealing ring 7 to the bottom of the groove 4 is smaller than the depth of the groove 4, the distance from the outer side surface of the sealing ring 7 to the bottom of the groove 4 is larger than the distance between the clamping groove 12 and the groove 4, the spring 6 can enable the sealing ring 7 to always tightly push the clamping groove 12 when the two pipe bodies 1 are connected, and the sealing performance of the sealing ring 7 can be guaranteed. The end of interface 2 is equipped with throat 8, and the internal diameter of throat 8 equals the internal diameter of interface 2, and the external diameter of throat 8 reduces gradually from the one end that is close to body 1 to the one end of keeping away from body 1.
The bellmouth 3 comprises a first straight section 9, a diameter-changing section 10 and a second straight section 11 which are connected in an integrated manner, the inner diameter of the first straight section 9 is equal to the inner diameter of the joint of the first straight section 9 and the pipe body 1, and the outer diameter of the first straight section 9 is equal to the outer diameter of the joint of the first straight section and the pipe body 1. The inner wall of reducing section 10 and the outer wall structure phase-match of throat 8, reducing section 10 can increase the leak protection performance of body 1 junction. The inner wall of the second straight section 11 is provided with a clamping groove 12 corresponding to the groove 4, and the depth of the clamping groove 12 is smaller than the thickness of the sealing ring 7, so that the sealing ring 7 can completely block a gap between the clamping groove 12 and the groove 4, and a sealing function is realized. The end of the second straight section 11 is provided with a flared opening 13, the outer diameter of the flared opening 13 is equal to the outer diameter of the second straight section 11, and the inner diameter of the flared opening 13 gradually increases from the end close to the tube body 1 to the end far away from the tube body 1. The distance of the outer wall of the flaring 13 to the bottom of the groove 4 is greater than the distance of the outer side surface of the sealing ring 7 to the bottom of the groove 4 when the spring 6 is in a free state, so that when two pipe bodies 1 are connected, the flaring 13 can slowly push the sealing ring 7 into the groove 4, and the connection between two pipelines is facilitated.
During the use, push the bellmouth 3 to interface 2, when flaring 13 and sealing washer 7 contact, in flaring 13 will the slow recess 4 that pushes of sealing washer 7, when draw-in groove 12 on the bellmouth 3 aligns with recess 4 on the interface 2, spring 6 pushes sealing washer 7 from recess 4 to draw-in groove 12, and still partly stay in recess 4 when sealing washer 7 pushes up draw-in groove 12, realizes sealed function, and it is convenient to connect, and the leakproofness is good.
Therefore, the utility model adopts the above structure novel steel band reinforcing polyethylene helical bellows, simple structure, construction convenience increases substantially work efficiency, can guarantee the leakproofness of junction simultaneously.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a novel steel band reinforcing polyethylene helical bellows, includes the body, the one end of body is equipped with the interface, the other end of body is equipped with the socket, its characterized in that: the inner diameter of the insertion port is equal to the inner diameter of the connection part of the insertion port and the pipe body, a groove is formed in the outer wall of the insertion port, guide rods which are uniformly distributed are arranged in the groove, a spring is arranged on each guide rod, the tail end of the spring is connected with a sealing ring, the depth of the groove is larger than the length of each guide rod, a necking is formed in the tail end of the insertion port, the inner diameter of the necking is equal to the inner diameter of the insertion port, and the outer diameter of the necking is gradually reduced from one end close to the pipe body to one end far away from the pipe body;
the bellmouth comprises a first flat straight section, a reducing section and a second flat straight section which are connected in an integrated manner, the inner diameter of the first flat straight section is equal to the inner diameter of the joint of the first flat straight section and the pipe body, the outer diameter of the first flat straight section is equal to the outer diameter of the joint of the first flat straight section and the pipe body, the inner wall of the reducing section is matched with the outer wall structure of the bellmouth, a clamping groove which is arranged corresponding to the groove is formed in the inner wall of the second flat straight section, the depth of the clamping groove is smaller than the thickness of the sealing ring, a flaring is arranged at the tail end of the second flat straight section, the outer diameter of the flaring is equal to the outer diameter of the second flat straight section, and the inner diameter of the flaring is gradually increased from one end close to the pipe body to one end far away from the pipe body.
2. The new steel strip reinforced polyethylene helical bellows of claim 1, wherein: the socket and the socket are welded with the pipe body in a hot melting mode.
3. The new steel strip reinforced polyethylene helical bellows of claim 2, wherein: the distance from the outer wall of the flaring to the bottom of the groove is larger than the distance from the outer side surface of the sealing ring to the bottom of the groove when the spring is in a free state.
4. The new steel strip reinforced polyethylene helical bellows of claim 3, wherein: when the spring is in a free state, the distance from the inner side surface of the sealing ring to the bottom of the groove is smaller than the depth of the groove, and the distance from the outer side surface of the sealing ring to the bottom of the groove is larger than the distance between the clamping groove and the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121283156.7U CN214744080U (en) | 2021-06-09 | 2021-06-09 | Novel steel band reinforced polyethylene spiral corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121283156.7U CN214744080U (en) | 2021-06-09 | 2021-06-09 | Novel steel band reinforced polyethylene spiral corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214744080U true CN214744080U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121283156.7U Active CN214744080U (en) | 2021-06-09 | 2021-06-09 | Novel steel band reinforced polyethylene spiral corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214744080U (en) |
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2021
- 2021-06-09 CN CN202121283156.7U patent/CN214744080U/en active Active
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