CN212986324U - High-strength composite corrugated pipe with shape memory function - Google Patents
High-strength composite corrugated pipe with shape memory function Download PDFInfo
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- CN212986324U CN212986324U CN202021645877.3U CN202021645877U CN212986324U CN 212986324 U CN212986324 U CN 212986324U CN 202021645877 U CN202021645877 U CN 202021645877U CN 212986324 U CN212986324 U CN 212986324U
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Abstract
The application discloses a high-strength composite corrugated pipe with a shape memory function, which fully utilizes the excellent characteristics of superelasticity effect, damping effect, resistance characteristic, high strength, good plasticity, corrosion resistance, long fatigue life and the like of shape memory by arranging a shape memory polymer layer on the outer wall of a shape memory alloy pipe body, prolongs the service life of the corrugated pipe, and enhances the pressure-bearing capacity of the corrugated pipe.
Description
Technical Field
The application relates to a high-strength composite corrugated pipe with a shape memory function, and belongs to the technical field of application of high polymer materials.
Background
The corrugated pipe is an annular corrugated pipe with certain elasticity and made of metal or nonmetal. Generally made of materials such as brass, tin phosphor bronze, stainless steel, plastics, rubber and the like. The pipe diameter is 22-200 mm. The flexible compensation device is mainly used for flexible connection and pipeline expansion compensation.
The corrugated pipe made of high polymer materials is widely applied to the building industry or precision instruments, and the corrugated pipe is sleeved on a connecting pipeline of each part in the precision instruments to play a role in protecting and regulating the internal parts.
Because the corrugated pipe is a thin-wall elastic element, as the inherent property of an elastic part, the length and the rigidity parameters of the corrugated pipe are easy to change, the bending angle and the bending rate are difficult to realize accurate control, the repeatability and the rigidity are poor, and the corrugated pipe cannot bear larger pressure.
SUMMERY OF THE UTILITY MODEL
The present application provides a high-strength composite corrugated tube having a shape memory function for solving the above-mentioned technical problems.
The application provides a compound bellows of high strength with shape memory function includes: the corrugated pipe comprises a corrugated pipe wall and a plurality of corrugated units arranged on the outer wall of the corrugated pipe wall; the corrugated unit is arranged perpendicular to the corrugated pipe wall and extends outwards;
the corrugated pipe wall includes: a shape memory alloy wall, a first shape memory polymer layer, a second shape memory polymer layer; a first shape memory polymer layer is arranged on the inner wall of the shape memory alloy wall body; the outer wall of the shape memory alloy wall body is provided with a second shape memory polymer layer;
the ripple unit includes: a shape memory alloy wall, a first shape memory polymer layer, a second shape memory polymer layer; a first shape memory polymer layer is arranged on the inner wall of the shape memory alloy wall body; the second shape memory polymer layer is arranged on the outer wall of the shape memory alloy wall body.
Preferably, a gap is provided between adjacent corrugated units.
Preferably, the second corrugation lobes fill gaps between adjacent corrugation cells.
Preferably, the corrugation unit includes: a first corrugated projection and a second corrugated projection; the first corrugated bulges are arranged on one side of the second corrugated bulges and are connected with one side of the second corrugated bulges;
adjacent corrugated units are arranged at intervals.
Preferably, the first corrugation lobes have a larger cross-sectional area than the second corrugation lobes.
Preferably, the corrugation unit includes: a first corrugated projection, a gap and a second corrugated projection; the first corrugated bulges are arranged on one side of the second corrugated bulges and are connected with one side of the second corrugated bulges; the gap is arranged on the other side of the second corrugation protrusion and connected with the second corrugation protrusion.
Preferably, the corrugated pipe wall is internally provided with a corrugated pipe cavity.
The beneficial effects that this application can produce include:
1) according to the high-strength composite corrugated pipe with the shape memory function, the shape memory polymer layer is arranged on the outer wall of the shape memory alloy pipe body, so that the excellent characteristics of superelasticity effect, damping effect, resistance characteristic, high strength, good plasticity, corrosion resistance, long fatigue resistance life and the like of shape memory are fully utilized, the service life of the corrugated pipe is prolonged, and the pressure bearing capacity of the corrugated pipe is enhanced.
2) The application provides a high strength composite corrugated pipe with shape memory function sets up shape memory polymer layer on the shape memory alloy body inner wall, can prevent the fracture of each ripple protruding department local area shape memory polymer layer of ripple type body inner wall when bending deformation, has improved corrugated pipe surface use quality.
Drawings
FIG. 1 is a schematic view of a high strength composite bellows with shape memory provided herein;
FIG. 2 is an enlarged schematic view of point A of FIG. 1;
illustration of the drawings:
10. a corrugated lumen; 11. a corrugated pipe wall; 12. a corrugation unit; 121. a first corrugated projection; 122. a second corrugated protrusion; 126. a gap; 123. a first shape memory polymer layer; 124. a shape memory alloy wall; 125. a second shape memory polymer layer.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
Referring to fig. 1-2, the present application provides a high strength composite corrugated pipe with a shape memory function, including: the corrugated pipe comprises a corrugated pipe wall 11 and a plurality of corrugated units 12 arranged on the outer wall of the corrugated pipe wall 11; the corrugated unit 12 extends outwards perpendicular to the corrugated pipe wall 11; the corrugated tube wall 11 includes: a shape memory alloy wall 124, a first shape memory polymer layer 123, a second shape memory polymer layer 125; a first shape memory polymer layer 123 is disposed on the inner wall of the shape memory alloy wall 124; a second shape memory polymer layer 125 is disposed on the outer wall of the shape memory alloy wall 124;
the corrugated unit 12 includes: a shape memory alloy wall 124, a first shape memory polymer layer 123, a second shape memory polymer layer 125; a first shape memory polymer layer 123 is disposed on the inner wall of the shape memory alloy wall 124; a second shape memory polymer layer 125 is disposed on the outer wall of the shape memory alloy wall 124.
Through set up first shape memory polymer layer 123, second shape memory polymer layer 125 on the inside and outside wall at shape memory alloy wall body 124 respectively, can improve the intensity of body, the life after the reinforcing pressure-bearing keeps original bending function simultaneously, but the while preflex to unified angle, different operating personnel when reducing the construction, the construction precision decline problem that the bending angle difference leads to.
Preferably, a gap 126 is provided between adjacent corrugated units 12. According to the arrangement, the extension length between the corrugated units 12 can be increased, the bending angle of the corrugated pipe is increased, and the corrugated pipe is prevented from being broken when being bent in a transition mode.
Preferably, the second corrugation lobes 122 fill the gaps 126 between adjacent corrugation cells 12. According to the arrangement, the extension length between the corrugated units 12 can be increased, the bending angle of the corrugated pipe is increased, and the corrugated pipe is prevented from being broken when being bent in a transition mode.
Preferably, the corrugation unit 12 includes: first and second corrugated protrusions 121 and 122; the first corrugation lobes 121 are disposed at one side of the second corrugation lobes 122 and connected to one side of the second corrugation lobes 122.
Preferably, the first corrugation lobes 121 have a cross-sectional area greater than that of the second corrugation lobes 122. According to the arrangement, the first corrugated bulges 121 of the main bending structure can play a bending role, and other bending forces formed along the main bending structure are dispersed through the second corrugated bulges 122, so that the pipe body is protected, and the service life is prolonged
Preferably, the corrugation unit 12 includes: the first corrugated protrusion 121, the gap 126, and the second corrugated protrusion 122; the first corrugation lobes 121 are disposed at one side of the second corrugation lobes 122 and connected to one side of the second corrugation lobes 122; the gap 126 is disposed on the other side of the second corrugation lobe 122 and is connected with the second corrugation lobe 122. The gap 126 is provided to provide a receiving space for the first corrugated protrusion 121 of another corrugated unit 12 to bend, so as to prevent the top end of the first corrugated protrusion 121 of another corrugated unit 12 from abutting against the first corrugated protrusion 121 of another corrugated unit 12, thereby ensuring the service life of the bent pipe.
Preferably, the corrugated tube wall 11 is internally provided with a corrugated tube cavity 10. The shape memory polymer used in the present application may be any of various existing shape memory polymers, such as polyurethane-based thermotropic shape memory polymers. Forming and arranging on the shape memory alloy wall according to the existing method; for example, by heating the shape memory polymer to a glassy temperature, and then adding the heated shape memory polymer to the formed shape memory alloy wall, or by dipping the formed shape memory alloy wall into a glassy shape memory polymer.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the disclosure to effect such feature, structure, or characteristic in connection with other embodiments.
Although the present application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. A high-strength composite corrugated pipe with a shape memory function, comprising: the corrugated pipe comprises a corrugated pipe wall (11) and a plurality of corrugated units (12) arranged on the outer wall of the corrugated pipe wall (11); the corrugated unit (12) is arranged to extend outwards perpendicular to the corrugated pipe wall (11);
the corrugated pipe wall (11) and the corrugated unit (12) both comprise: a shape memory alloy wall (124), a first shape memory polymer layer (123), a second shape memory polymer layer (125); a first shape memory polymer layer (123) is arranged on the inner wall of the shape memory alloy wall body (124); a second shape memory polymer layer (125) is disposed on an outer wall of the shape memory alloy wall (124).
2. The high strength composite corrugated tube with shape memory function according to claim 1, wherein a gap (126) is provided between adjacent corrugated units (12).
3. The high strength composite corrugated tube with shape memory function according to claim 1, comprising: a second corrugated protrusion (122), the second corrugated protrusion (122) filling a gap (126) between adjacent corrugated cells (12).
4. The high strength composite corrugated tube with shape memory function according to claim 1, wherein the corrugated unit (12) comprises: a first corrugated protrusion (121) and a second corrugated protrusion (122); the first corrugated bulges (121) are arranged on one side of the second corrugated bulges (122) and are connected with one side of the second corrugated bulges (122);
adjacent corrugated units (12) are arranged at intervals.
5. The high strength composite corrugated tube with a shape memory function according to claim 4, wherein the first corrugation lobes (121) have a cross-sectional area larger than that of the second corrugation lobes (122).
6. The high strength composite corrugated tube with shape memory function according to claim 1, wherein the corrugated unit (12) comprises: a first corrugated protrusion (121), a gap (126), and a second corrugated protrusion (122); the first corrugated bulges (121) are arranged on one side of the second corrugated bulges (122) and are connected with one side of the second corrugated bulges (122); the gap (126) is arranged on the other side of the second corrugated protrusion (122) and is connected with the second corrugated protrusion (122).
7. The high-strength composite corrugated pipe with the shape memory function according to claim 1, wherein the corrugated pipe wall (11) is internally provided with a corrugated pipe cavity (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021645877.3U CN212986324U (en) | 2020-08-10 | 2020-08-10 | High-strength composite corrugated pipe with shape memory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021645877.3U CN212986324U (en) | 2020-08-10 | 2020-08-10 | High-strength composite corrugated pipe with shape memory function |
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| Publication Number | Publication Date |
|---|---|
| CN212986324U true CN212986324U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021645877.3U Active CN212986324U (en) | 2020-08-10 | 2020-08-10 | High-strength composite corrugated pipe with shape memory function |
Country Status (1)
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|---|---|
| CN (1) | CN212986324U (en) |
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2020
- 2020-08-10 CN CN202021645877.3U patent/CN212986324U/en active Active
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