CN216666748U - PE electric smelting reducing composite pipe with high pressure resistance - Google Patents
PE electric smelting reducing composite pipe with high pressure resistance Download PDFInfo
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- CN216666748U CN216666748U CN202220067533.1U CN202220067533U CN216666748U CN 216666748 U CN216666748 U CN 216666748U CN 202220067533 U CN202220067533 U CN 202220067533U CN 216666748 U CN216666748 U CN 216666748U
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Abstract
The utility model discloses a PE electric melting reducing composite pipe with high pressure resistance, which comprises a PE electric melting reducing composite pipe body, wherein a first pressure resisting pipe and a second pressure resisting pipe are sequentially sleeved at the outer end of the reducing part of the PE electric melting reducing composite pipe body from inside to outside, a protective layer is arranged between the first pressure resisting pipe and the PE electric melting reducing composite pipe body, a buffer structure is arranged between the first pressure resisting pipe and the second pressure resisting pipe, the buffer structure comprises a dynamic buffer combined fixed buffer group, the dynamic buffer group comprises a plurality of V-shaped strips and a plurality of buffer components, and a plurality of V-shaped grooves matched with the V-shaped strips are formed in the outer wall of the first pressure resisting pipe. According to the PE electric melting reducing composite pipe, due to the arrangement of the protective layer and the buffer structure, when the reducing part of the PE electric melting reducing composite pipe body is accidentally cracked, the protective layer can prevent liquid from continuously overflowing, and when the PE electric melting reducing composite pipe is impacted by the outside, the buffer structure can play a role in compression-resistant buffering and protect the PE electric melting reducing composite pipe body.
Description
Technical Field
The utility model relates to the technical field of pipe fittings, in particular to a PE electric melting reducing composite pipe with high pressure resistance.
Background
The steel-plastic composite pipe is a new type pipe material whose thermoplastic plastics interior is filled with steel skeleton, and compared with existent other pipe material it not only has the characteristics of light weight, high strength, strong acid and alkali resistance, good heat-resisting property, impact resistance, long service life, safety and reliability. Therefore, the steel-plastic composite pipe is widely applied to pipeline engineering in the industries of chemical engineering, municipal administration, petroleum, gas and the like.
Through the retrieval, current patent application number is 201220734763.5's utility model, discloses a connecting device for reducing bamboo composite pipe, and this connecting device's structure is suitable for the connection between the bamboo composite pipe of different pipe diameters, and the installation is simple. Based on the above search, in combination with the prior art, it is found that the wall thickness of the reducing part of the PE electrofusion reducing composite pipe in the prior art is changed, and the pressure resistance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical defects and provides a PE electric melting reducing composite pipe with high pressure resistance.
The utility model discloses a PE electric melting reducing composite pipe with high pressure resistance, which comprises a PE electric melting reducing composite pipe body, wherein a first pressure resisting pipe and a second pressure resisting pipe are sequentially sleeved at the outer end of the reducing part of the PE electric melting reducing composite pipe body from inside to outside, a protective layer is arranged between the first pressure resisting pipe and the PE electric melting reducing composite pipe body and fixedly connected with the inner wall of the first pressure resisting pipe, a buffer structure is arranged between the first pressure resisting pipe and the second pressure resisting pipe and comprises a dynamic buffer combination fixed buffer group, the dynamic buffer group comprises a plurality of V-shaped strips and a plurality of buffer components, the V-shaped strips are distributed at equal intervals along the circumference of the second pressure resisting pipe and fixedly connected with the inner wall of the second pressure resisting pipe, and the buffer components are arranged along the inclined plane of the V-shaped strips and fixedly connected with the inner wall of the second pressure resisting pipe, the outer wall of the first pressure-resistant pipe is provided with a plurality of V-shaped grooves matched with the V-shaped strips.
Furthermore, the buffering component comprises a compression spring and a wedge-shaped strip, the compression spring is arranged along the inclined plane of the V-shaped strip, one end of the compression spring is fixedly connected with the inner wall of the second pressure resisting pipe, and the other end of the compression spring is fixedly connected with the wedge-shaped strip.
Furthermore, the inclined plane of the wedge-shaped strip is arranged towards one side of the inner wall far away from the V-shaped groove.
Furthermore, a flange is arranged at the side end of the first pressure resisting pipe, and the flange is plugged at the side end of the V-shaped groove.
Furthermore, the fixed buffer group comprises a first buffer strip and a second buffer strip, the first buffer strip is fixedly connected with the inner wall of the second pressure resisting pipe, and the second buffer strip is fixedly connected with the outer wall of the first pressure resisting pipe.
Further, the protective layer includes waterproof rubber sleeve and inflation rubber circle, the inner wall fixed connection of waterproof rubber sleeve and first withstand voltage pipe, the inside of waterproof rubber sleeve is provided with the waterproof chamber that supplies the embedding of inflation rubber circle, the side of waterproof rubber sleeve is connected with the seal assembly who is used for the waterproof chamber of shutoff.
Further, seal assembly is including absorbing water sponge and waterproof strip, the sponge fixed connection that absorbs water contacts in the side of expansion rubber circle and with the outer wall of PE electric smelting reducing composite pipe body, waterproof strip splices in the side of waterproof rubber sleeve, and the one end fixedly connected with pull ring of waterproof strip.
According to the PE electric melting reducing composite pipe with high pressure resistance, through the arranged protective layer and the buffer structure, when the reducing part of the PE electric melting reducing composite pipe body is cracked accidentally, liquid conveyed in the PE electric melting reducing composite pipe body overflows to soak the water absorption sponge, the expansion rubber ring absorbs water in the water absorption sponge to expand and tightly wrap the PE electric melting reducing composite pipe body, so that the crack part is better blocked, the liquid is prevented from overflowing continuously, a plurality of reserved cavities arranged in the expansion rubber ring can prevent the expansion rubber ring from expanding excessively, when external impact is received, the second pressure resistant pipe drives the V-shaped strip to extrude the wedge-shaped strip, the wedge-shaped strip extrudes the compression spring and slides outwards along the inner wall of the V-shaped groove, the pressure resistant buffer effect is achieved, and the PE electric melting reducing composite pipe body is protected;
according to the PE electric melting reducing composite pipe with high pressure resistance, the V-shaped strips can be prevented from being separated from the V-shaped grooves through the arranged flanges, so that the first pressure resistance pipe and the second pressure resistance pipe are prevented from being separated, the first buffer strip and the second buffer strip are matched with the V-shaped strips, the wedge-shaped strips, the compression springs and the V-shaped grooves to play a better buffer role, the external pressure resistance of the PE electric melting reducing composite pipe body is enhanced, and the PE electric melting reducing composite pipe body is protected better.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is an exploded view of the protective layer of example 1;
FIG. 3 is a schematic view of the structure at the first pressure-resistant pipe of example 1;
FIG. 4 is a schematic view of the structure at the second compression resistant pipe of example 1;
FIG. 5 is a schematic side view of the structure of example 1;
fig. 6 is a partial structural view of the expanded rubber ring of example 1.
In the figure: PE electric smelting reducing composite pipe body 1, first compression resistance pipe 2, second compression resistance pipe 3, protective layer 4, waterproof rubber sleeve 41, expansion rubber circle 42, waterproof chamber 43, the sponge 44 that absorbs water, waterproof strip 45, pull ring 46, reserve chamber 47, V-arrangement strip 5, V-arrangement groove 6, compression spring 7, wedge strip 8, flange 9, first buffering strip 10, second buffering strip 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example 1:
as shown in fig. 1-6, the PE electrofusion reducing composite pipe with high pressure resistance described in this embodiment includes a PE electrofusion reducing composite pipe body 1, a first pressure resistant pipe 2 and a second pressure resistant pipe 3 are sequentially sleeved on an outer end of a reducing portion of the PE electrofusion reducing composite pipe body 1 from inside to outside, and both the first pressure resistant pipe 2 and the second pressure resistant pipe 3 are made of a high-performance pressure resistant material, for example, a steel-plastic composite pipe.
A protective layer 4 is arranged between the first compression pipe 2 and the PE electric melting reducing composite pipe body 1, the protective layer 4 is fixedly connected with the inner wall of the first compression pipe 2, the protective layer 4 comprises a waterproof rubber sleeve 41 and an expansion rubber ring 42, the waterproof rubber sleeve 41 is fixedly connected with the inner wall of the first compression pipe 2, a waterproof cavity 43 for the expansion rubber ring 42 to be embedded into is arranged inside the waterproof rubber sleeve 41, and a sealing assembly for plugging the waterproof cavity 43 is connected with the side end of the waterproof rubber sleeve 41; sealing assembly includes sponge 44 and the waterproof strip 45 of absorbing water, sponge 44 fixed connection absorbs water contacts in the side of expansion rubber circle 42 and with the outer wall of PE electric smelting reducing composite pipe body 1, waterproof strip 45 splices in the side of waterproof rubber sleeve 41, and the one end fixedly connected with pull ring 46 of waterproof strip 45, before the installation, sealing assembly can effectively prevent that expansion rubber circle 42 is unexpected to meet water inflation, after the installation, tear waterproof strip 45 down, when the unexpected fracture of reducing department of PE electric smelting reducing composite pipe body 1, the liquid of carrying spills over in the PE electric smelting reducing composite pipe body 1, soak sponge 44 of absorbing water, expansion rubber circle 42 absorbs the water inflation in the sponge 44 of absorbing water, wrap up tight PE electric smelting reducing composite pipe body 1, thereby better shutoff crack department, prevent that liquid from continuously overflowing.
A buffer structure is arranged between the first compression pipe 2 and the second compression pipe 3, the buffer structure comprises a movable buffer combined fixed buffer group, the movable buffer group comprises a plurality of V-shaped strips 5 and a plurality of buffer members, the V-shaped strips 5 are distributed at equal intervals along the circumference of the second compression pipe 3, the buffer members are arranged along the inclined plane of the V-shaped strip 5 and are fixedly connected with the inner wall of the second pressure resisting tube 3, the outer wall of the first pressure resisting tube 2 is provided with a plurality of V-shaped grooves 6 matched with the V-shaped strip 5, each buffer member comprises a compression spring 7 and a wedge-shaped strip 8, each compression spring 7 is arranged along the inclined plane of the V-shaped strip 5, one end of each compression spring 7 is fixedly connected with the inner wall of the second pressure resisting tube 3, the other end of each compression spring 7 is fixedly connected with the wedge-shaped strip 8, and the inclined plane of each wedge-shaped strip 8 faces one side of the inner wall far away from the V-shaped groove 6; when receiving outside striking, the second is resisted and is pressed 3 and takes 5 extrusion wedge strips 8 of V-arrangement strip, and 8 extrusion compression spring 7 of wedge strip slide along the inner wall of V-arrangement groove 6 is outside, play the cushioning effect, and protection PE electric smelting reducing composite pipe body 1, external force cancel the back, and wedge strip 8 is along 6 inside sliding in V-arrangement groove under compression spring 7's the reset action, is resisting V-arrangement strip 5 and the second and is resisted simultaneously and press pipe 3 to reset.
A flange 9 is arranged at the side end of the first pressure resisting pipe 2, and the flange 9 is blocked at the side end of the V-shaped groove 6; the rib 9 prevents the V-shaped strip 5 from coming off the V-shaped groove 6, thereby preventing the first pressure-resistant pipe 2 from being separated from the second pressure-resistant pipe 3.
Further, the fixed buffer group comprises a first buffer strip 10 and a second buffer strip 11, the first buffer strip 10 is fixedly connected with the inner wall of the second pressure resisting pipe 3, and the second buffer strip 11 is fixedly connected with the outer wall of the first pressure resisting pipe 2; first buffering strip 10 and second buffering strip 11 cooperation V-arrangement strip 5, wedge 8, compression spring 7 and V-arrangement groove 6 play better cushioning effect, strengthen the outside compressive property of the compound pipe body of PE electric smelting reducing 1 to better protection PE electric smelting reducing compound pipe body 1.
In the utility model, a plurality of reserved cavities 47 are arranged in the expansion rubber ring 42 to prevent the expansion rubber ring 42 from being over expanded.
In the implementation of the embodiment, before installation, the sealing assembly can effectively prevent the expansion rubber ring 42 from accidentally expanding when encountering water, after the installation, the waterproof strip 45 is torn off, when the reducing part of the PE electric melting reducing composite pipe body 1 is accidentally cracked, the liquid conveyed in the PE electric melting reducing composite pipe body 1 overflows, the water absorption sponge 44 is soaked, the expansion rubber ring 42 absorbs the water in the water absorption sponge 44 to expand, and the PE electric melting reducing composite pipe body 1 is tightly wrapped, so that the crack is better sealed, and the liquid is prevented from continuously overflowing; the plurality of reserved cavities 47 arranged inside the expansion rubber ring 42 can prevent the expansion rubber ring 42 from being over expanded; when receiving outside striking, the compound pipe body 1 of second anti-pressure pipe 3 area V-arrangement strip 5 extrusion wedge strip 8, wedge strip 8 extrusion compression spring 7 and outwards slide along the inner wall of V-arrangement groove 6, play the cushioning effect, protection PE electric smelting reducing, after external force cancels, wedge strip 8 is along V-arrangement groove 6 inside slip under compression spring 7's the reset action, it resets to support V-arrangement strip 5 and second anti-pressure pipe 3 simultaneously, flange 9 prevents that V-arrangement strip 5 from breaking away from V-arrangement groove 6, thereby prevent first anti-pressure pipe 2 and the 3 phase separations of second anti-pressure pipe, first buffering strip 10 and 11 cooperation V-arrangement strips of second buffering strip 5, wedge strip 8, compression spring 7 and V-arrangement groove 6 play better cushioning effect, strengthen the outside compressive property of the compound pipe body 1 of PE electric smelting reducing, thereby the compound pipe body 1 of better protection PE electric smelting reducing.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (7)
1. The PE electric melting reducing composite pipe with high pressure resistance comprises a PE electric melting reducing composite pipe body (1) and is characterized in that a first pressure resisting pipe (2) and a second pressure resisting pipe (3) are sequentially sleeved at the outer end of the reducing part of the PE electric melting reducing composite pipe body (1) from inside to outside, a protective layer (4) is arranged between the first pressure resisting pipe (2) and the PE electric melting reducing composite pipe body (1), the protective layer (4) is fixedly connected with the inner wall of the first pressure resisting pipe (2), a buffer structure is arranged between the first pressure resisting pipe (2) and the second pressure resisting pipe (3), the buffer structure comprises a dynamic buffer combined buffer group, the dynamic buffer group comprises a plurality of V-shaped strips (5) and a plurality of buffer components, the V-shaped strips (5) are distributed along the circumference of the second pressure resisting pipe (3) at equal intervals and are fixedly connected with the inner wall of the second pressure resisting pipe (3), the buffering components are arranged along the inclined plane of the V-shaped strip (5) and are fixedly connected with the inner wall of the second compression resisting pipe (3), and the outer wall of the first compression resisting pipe (2) is provided with a plurality of V-shaped grooves (6) matched with the V-shaped strip (5).
2. A PE electrofusion reducer composite pipe with high pressure resistance according to claim 1, characterised in that the buffer member comprises compression springs (7) and wedge-shaped strips (8), the compression springs (7) are arranged along the inclined plane of the V-shaped strips (5), one end of the compression springs (7) is fixedly connected with the inner wall of the second compression resistant pipe (3), and the other end of the compression springs (7) is fixedly connected with the wedge-shaped strips (8).
3. A PE electrofusion reducer composite pipe with high pressure resistance according to claim 2, characterised in that the bevels of the wedge-shaped strips (8) are arranged towards the side of the inner wall remote from the V-grooves (6).
4. A PE electrofusion reducer composite pipe with high pressure resistance according to claim 2, characterised in that the side ends of the first pressure resistance pipe (2) are provided with ribs (9), the ribs (9) plugging the side ends of the V-grooves (6).
5. A PE electrofusion reducer composite pipe with high pressure resistance according to claim 1, characterised in that the fixed buffer group comprises a first buffer strip (10) and a second buffer strip (11), the first buffer strip (10) is fixedly connected with the inner wall of the second pressure resistance pipe (3), and the second buffer strip (11) is fixedly connected with the outer wall of the first pressure resistance pipe (2).
6. The PE electric melting reducing composite pipe with high pressure resistance according to claim 1, wherein the protective layer (4) comprises a waterproof rubber sleeve (41) and an expansion rubber ring (42), the waterproof rubber sleeve (41) is fixedly connected with the inner wall of the first pressure resistant pipe (2), a waterproof cavity (43) for embedding the expansion rubber ring (42) is formed in the waterproof rubber sleeve (41), and a sealing assembly for plugging the waterproof cavity (43) is connected to the side end of the waterproof rubber sleeve (41).
7. The PE electrofusion reducing composite pipe with high pressure resistance according to claim 6, wherein the sealing assembly comprises a water-absorbing sponge (44) and a waterproof strip (45), the water-absorbing sponge (44) is fixedly connected to the side end of the expansion rubber ring (42) and contacts with the outer wall of the PE electrofusion reducing composite pipe body (1), the waterproof strip (45) is glued to the side end of the waterproof rubber sleeve (41), and one end of the waterproof strip (45) is fixedly connected with a pull ring (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220067533.1U CN216666748U (en) | 2022-01-04 | 2022-01-04 | PE electric smelting reducing composite pipe with high pressure resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220067533.1U CN216666748U (en) | 2022-01-04 | 2022-01-04 | PE electric smelting reducing composite pipe with high pressure resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216666748U true CN216666748U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220067533.1U Active CN216666748U (en) | 2022-01-04 | 2022-01-04 | PE electric smelting reducing composite pipe with high pressure resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216666748U (en) |
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- 2022-01-04 CN CN202220067533.1U patent/CN216666748U/en active Active
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