Combined compression-resistant PE pipe
By setting a combined structure of inner steel sleeve, outer steel sleeve, buffer glue layer and buffer bracket between the inner and outer pipes of PE pipes, the problem of insufficient compressive strength of PE pipes is solved, and multiple protection effects of compressive, earthquake and thermal insulation are achieved.
Patent Information
- Application Number
- CN202421881643.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The compressive strength of existing PE pipes is relatively low, especially in high pressure and easily crushed environments, and the compressive effect of existing additional steel strip structures is not good.
A combined structure of an inner steel sleeve, an outer steel sleeve, a buffer rubber layer and a buffer support is adopted between the inner and outer pipe bodies. The buffer protection is performed through the deformation of the buffer support, and a vacuum insulation cavity is formed between the inner and outer steel sleeves.
It significantly improves the compressive performance of the pipe, provides shock and insulation protection, and enhances the buffering and vibration-absorbing effect of the inner pipe body.
Smart Images
Figure CN223270805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PE pipes, in particular to a combined pressure-resistant PE pipe. Background Art
[0002] Plastic pipes are widely used in water supply and drainage, petrochemical and other fields. However, common plastic pipes such as PE and PP have low compressive strength and cannot meet the needs in some high-pressure and easily crushed environments. At present, in order to increase the compressive performance of PE pipes, a layer of steel belt is generally added between the inner and outer pipes. However, the structure of the steel belt will directly transfer the force of the outer pipe to the inner pipe, and the compressive effect is still poor. Utility Model Content
[0003] The purpose of the present application is to provide a combined pressure-resistant PE pipe to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present application provides the following technical solutions: a combined pressure-resistant PE pipe, comprising an inner pipe body and an outer pipe body sleeved on the outside of the inner pipe body, an inner steel sleeve, an outer steel sleeve, a first buffer rubber layer, a buffer bracket and a steel bar are provided between the inner pipe body and the outer pipe body, a first buffer rubber layer is fixedly sleeved on the outer wall of the inner pipe body, an inner steel sleeve is fixedly sleeved on the outer wall of the first buffer rubber layer, an outer steel sleeve is fixedly sleeved on the inner wall of the outer pipe body, a plurality of buffer support units evenly spaced around the axis of the inner pipe body are provided between the outer steel sleeve and the inner steel sleeve, the buffer support unit comprises a plurality of buffer brackets and a steel bar, each of the buffer brackets is in an arched structure and evenly spaced and fixed on the steel bar, one end of the buffer bracket is fixedly connected to the outer wall of the inner steel sleeve, and the other end of the buffer bracket is against the inner wall of the outer steel sleeve.
[0004] Preferably, a second buffer rubber layer is installed on the outer wall of the outer tube body and is sleeved thereon, and the second buffer rubber layer is fixedly connected to the outer tube body.
[0005] Preferably, a vacuum insulation chamber is formed between the inner steel sleeve and the outer steel sleeve.
[0006] Preferably, a plug-in portion is provided at one end of the buffer bracket, and a slot adapted to be plugged into the plug-in portion is provided on the inner wall of the outer steel sleeve.
[0007] Preferably, the inner steel sleeve, the outer steel sleeve, the first buffer rubber layer, the second buffer rubber layer and the steel bars are arranged along the length direction of the inner tube body and the outer tube body.
[0008] Preferably, the first buffer rubber layer and the second buffer rubber layer are elastic composite rubber.
[0009] In summary, the technical effects and advantages of the utility model are:
[0010] In the utility model, the compression resistance of the pipe is greatly improved by arranging the inner steel sleeve, the outer steel sleeve, the first buffer rubber layer, the buffer bracket and the steel bar. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0012] Figure 1 This is a schematic structural diagram of a combined pressure-resistant PE pipe in an embodiment of the present application;
[0013] Figure 2 This is a schematic diagram of the partial structure of a combined pressure-resistant PE pipe in an embodiment of the present application.
[0014] In the figure: 1. Inner tube body; 2. Outer tube body; 3. Inner steel sleeve; 4. Outer steel sleeve; 5. First buffer rubber layer; 6. Buffer bracket; 7. Steel bar; 8. Connecting part; 9. Slot; 10. Second buffer rubber layer. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0016] In the description of the present disclosure, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "top," "bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present disclosure and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0017] It should also be noted that the standard parts used in this application document can all be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and, in the absence of clear limitations, machines, parts, and equipment can all adopt conventional models in the prior art.
[0018] In this document, the term "comprising" is intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.
[0019] Example: Reference Figure 1-2 The shown combined pressure-resistant PE pipe comprises an inner tube body 1 and an outer tube body 2 sleeved on the outside of the inner tube body 1, wherein an inner steel sleeve 3, an outer steel sleeve 4, a first buffer rubber layer 5, a buffer bracket 6 and a steel bar 7 are provided between the inner tube body 1 and the outer tube body 2. The first buffer rubber layer 5 is fixedly sleeved on the outer wall of the inner tube body 1, the outer wall of the first buffer rubber layer 5 is sleeved and fixedly installed with the inner steel sleeve 3, the inner wall of the outer tube body 2 is sleeved and fixedly installed with the outer steel sleeve 4, and a plurality of buffer support units evenly spaced and distributed around the axis of the inner tube body 1 are provided between the outer steel sleeve 4 and the inner steel sleeve 3. The buffer support unit includes several buffer brackets 6 and a steel bar 7. Each of the buffer brackets 6 is an arched structure and is evenly spaced and fixed on the steel bar 7. One end of the buffer bracket 6 is fixedly connected to the outer wall of the inner steel sleeve 3, and the other end of the buffer bracket 6 is against the inner wall of the outer steel sleeve 4. When the outer tube body is under pressure, the external impact force will be transmitted to the outer steel sleeve, and the outer steel sleeve will squeeze the buffer bracket when under pressure. The buffer bracket is made of elastic metal material, which will deform for buffering, thereby providing reliable buffering protection for the inner tube body. The first buffer rubber layer 5 reduces the transmission of external vibration to the inner tube body.
[0020] With the above structure, a second buffer rubber layer 10 is installed on the outer wall of the outer tube body 2 and is sleeved thereon. The second buffer rubber layer 10 is fixedly connected to the outer tube body 2 and provides external anti-seismic protection.
[0021] By means of the above structure, a vacuum heat-insulating chamber is formed between the inner steel jacket 3 and the outer steel jacket 4 to provide heat-insulating protection for the inner tube body.
[0022] With the above structure: one end of the buffer bracket 6 is provided with a plug-in portion 8, and the inner wall of the outer steel sleeve 4 is provided with a slot 9 adapted to be plugged into the plug-in portion 8, so that when installing the buffer bracket, it can be aligned with the slot and inserted, and the buffer bracket will not rotate or shift.
[0023] According to the above structure, the inner steel sleeve 3 , the outer steel sleeve 4 , the first buffer rubber layer 5 , the second buffer rubber layer 10 and the steel bar 7 are arranged along the length direction of the inner tube body 1 and the outer tube body 2 .
[0024] According to the above structure, the first buffer rubber layer 5 and the second buffer rubber layer 10 are elastic composite rubber.
[0025] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A combined pressure-resistant PE pipe, comprising an inner pipe body (1) and an outer pipe body (2) sleeved outside the inner pipe body (1), characterized in that: An inner steel sleeve (3), an outer steel sleeve (4), a first buffer rubber layer (5), a buffer bracket (6) and a steel bar (7) are provided between the inner tube body (1) and the outer tube body (2); the first buffer rubber layer (5) is fixedly sleeved and installed on the outer wall of the inner tube body (1); the inner steel sleeve (3) is fixedly sleeved and installed on the outer wall of the first buffer rubber layer (5); the outer steel sleeve (4) is fixedly sleeved and installed on the inner wall of the outer tube body (2); a plurality of buffer support units evenly spaced and distributed around the axis of the inner tube body (1) are provided between the outer steel sleeve (4) and the inner steel sleeve (3); the buffer support units include a plurality of buffer brackets (6) and a steel bar (7); each of the buffer brackets (6) is in an arched structure and is evenly spaced and fixed on the steel bar (7); one end of the buffer bracket (6) is fixedly connected to the outer wall of the inner steel sleeve (3), and the other end of the buffer bracket (6) is against the inner wall of the outer steel sleeve (4).
2. The combined pressure-resistant PE pipe according to claim 1, characterized in that: A second buffer rubber layer (10) is installed on the outer wall of the outer tube body (2) and is sleeved therewith. The second buffer rubber layer (10) is fixedly connected to the outer tube body (2).
3. The combined pressure-resistant PE pipe according to claim 1, characterized in that: A vacuum heat-insulating cavity is formed between the inner steel sleeve (3) and the outer steel sleeve (4).
4. The combined pressure-resistant PE pipe according to claim 1, characterized in that: One end of the buffer bracket (6) is provided with a plug-in portion (8), and the inner wall of the outer steel sleeve (4) is provided with a slot (9) adapted to be plugged into the plug-in portion (8).
5. The combined pressure-resistant PE pipe according to claim 1, characterized in that: The inner steel sleeve (3), the outer steel sleeve (4), the first buffer rubber layer (5), the second buffer rubber layer (10) and the steel bar (7) are arranged along the length direction of the inner tube body (1) and the outer tube body (2).
6. The combined pressure-resistant PE pipe according to claim 1, characterized in that: The first buffer rubber layer (5) and the second buffer rubber layer (10) are elastic composite rubber.