Multi-layer composite PVC corrugated pipe
By designing a multi-layer composite PVC corrugated pipe, utilizing an outer buffer structure and end cap medium input, the problem of PVC corrugated pipe being prone to breakage under external force is solved, achieving improved mechanical properties and temperature regulation, making it suitable for various application scenarios.
Patent Information
- Application Number
- CN202520517189.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing PVC corrugated pipes are prone to breakage when subjected to external forces, and cannot effectively resist external forces, thus affecting their performance.
A multi-layer composite PVC corrugated pipe was designed, including an inner pipe, a buffer pipe, and an outer pipe. The outer pipe and the buffer pipe form a double-layer corrugated structure. The suspension structure of the second trough is used for buffering, and the cooling or heating medium is introduced through the end cap and the external connection hole to regulate the temperature of the inner pipe.
It effectively resists external forces, preventing breakage that could affect the use of the inner tube, and adapts to temperature control requirements for different applications, thus improving performance.
Smart Images
Figure CN223662822U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of corrugated pipe, especially relates to a multilayer composite PVC corrugated pipe. BACKGROUND
[0002] The multilayer composite PVC corrugated pipe is a high-performance pipe material combining various structural designs and material properties, is formed by coaxially nesting double-layer or multilayer corrugated pipes, and has a wide application in municipal pipe networks, agricultural irrigation, cable laying and the like.
[0003] At present, the existing PVC corrugated pipe is fixed in structure, is extremely prone to the situation that cannot resist when external force is encountered, and then breakage is generated, thereby affecting the use effect.
[0004] To solve the above problems, a multilayer composite PVC corrugated pipe is provided in the application. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a multilayer composite PVC corrugated pipe, and solves the problems in the above background technology.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0007] The utility model is a multilayer composite PVC corrugated pipe, which comprises an inner pipe;
[0008] The inner pipe is provided with a buffer pipe and an outer pipe outside from inside to outside, is used for resisting external force on the outside and replacing the inner pipe to bear damage;
[0009] The outer pipe is provided with a first wave trough concave downward between adjacent wave crests, is resisted by the adjacent wave crest of the buffer pipe, and is used for forming a buffer for external force;
[0010] A head is located at both ends of the pipe material and is used for plugging the gap between the inner pipe and the outer pipe and the buffer pipe end, an external connection hole is formed in the inside of the head and is used for transmitting cooling medium or heating medium of external equipment to the outer pipe and the buffer pipe, and the inner pipe is subjected to cooling or heating treatment.
[0011] Further, the adjacent wave crests of the buffer pipe are provided with a second wave trough, do not contact the inner pipe to form a suspended structure, and are used for providing a deformation space when buffering.
[0012] Further, the inside of the head is provided with a pad, is used for filling the wave crest inside space of the buffer pipe and the outer pipe, and dynamically supports under pressure.
[0013] Further, the inside of the head is provided with a guide hole, a top of a middle section is communicated with the external connection hole, one end is connected to the gap between the outer pipe and the buffer pipe, and the top of the external connection hole is provided with a sealing plug.
[0014] Further, the inner tube, the outer tube and the buffer tube are a set, and are installed in segments.
[0015] Further, the sealing pad is arranged at the end of the head away from the inner tube, and is used for adjusting the communication state of the guide hole in the adjacent head.
[0016] Further, the sealing pad is internally provided with a through hole communicated with the guide hole.
[0017] The utility model has the following beneficial effects:
[0018] The utility model discloses the outer circle double -layer corrugation structure of outer tube and buffer tube, utilize the suspension structure of second wave trough, can when outer tube bears external force, through the deformation of second wave trough and second wave trough, obtains the buffer, to resist the external force outside, makes it unable to enter the inside and influence the normal use of inner tube, in addition, once cannot resist, the rupture produced is still outside, and will not directly influence the normal use of inner tube.
[0019] The utility model discloses the head to the end of inner tube, outer tube and buffer tube is sealed, and utilizes the external connection hole to input cold gas or cold water between outer tube and buffer tube, to take away the heat in the inside of inner tube when working, contrarily can also be heated to satisfy different use demand through this mode, make it have more abundant function, adapt to different use place.
[0020] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS
[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to use the drawings of the embodiment to make a brief introduction, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.
[0022] Figure 1 It is the whole appearance and the internal partial structure schematic diagram of pipeline of the utility model;
[0023] Figure 2 It is the inner tube and the outer tube and the buffer tube combination state structure schematic diagram of the utility model;
[0024] Figure 3 It is the pipeline and the head combination state structure schematic diagram of the utility model;
[0025] Figure 4The utility model discloses a head inside and pipeline connecting structure schematic view;
[0026] In the drawings, the component list that each sign represents is as follows:
[0027] In the drawings: 1, inner tube, 2, outer tube, 3, buffer tube, 4, head, 5, sealing pad, 6, first trough, 7, second trough, 8, cushion block, 9, guide hole, 10, through hole, 11, external hole, 12, sealing plug, 13, outer ring cover, 14, positioning pin. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of protection of the utility model.
[0029] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as a limitation on the utility model.
[0030] Please refer to Figures 1-4 The utility model discloses a multilayer composite PVC corrugated pipe, including inner tube 1,
[0031] The outer side of the inner tube 1 is sequentially provided with a buffer tube 3 and an outer tube 2 from inside to outside, which is used for resisting external force outwardly and replacing the inner tube 1 to bear damage, and the inner tube 1, the outer tube 2 and the buffer tube 3 form a group and are installed in a segmented manner.
[0032] The outer tube 2 is provided with a first trough 6 recessed downward between adjacent peaks, which is abutted by the adjacent peaks of the buffer tube 3, and is used for buffering external force.
[0033] The head 4 is located at both ends of the pipe and is used for plugging the gap between the inner tube 1 and the outer tube 2 and the buffer tube 3, and the internal opening of the head 4 is provided with an external hole 11 for transmitting cooling medium or heating medium of external equipment to the space between the outer tube 2 and the buffer tube 3, so as to apply cooling or heating treatment to the inner tube 1.
[0034] The corrugated pipe material can prevent direct damage to the internal structure, the double-layer corrugated pipe structure with different densities formed by the external buffer pipe 3 and the outer pipe 2 can not only lock the external pipe material but also form unloading and buffering to the external pipe material, so that the external force cannot directly act on the inner pipe 1, and even if damage occurs, it is on the outside and does not directly affect the use of the inner pipe 1, so that it can be repaired during normal operation; in addition, when the internal transmission medium or the protected component needs to control the environmental temperature, the cooling medium or the heating medium can be injected through the external hole, so that the inner pipe 1 is kept at a constant temperature, to meet the use requirements in different fields.
[0035] The second trough 7 is arranged between the adjacent crests of the buffer pipe 3, is not in contact with the inner pipe 1 and forms a suspended structure, is used for providing a deformation space during buffering, the diameter of the second trough 7 aligned with the first trough 6 is smaller than the diameter of the crest of the buffer pipe 3, and the second trough 7 aligned with the crest of the outer pipe 2 is fixedly connected with the inner pipe 1.
[0036] The inner pipe 1 is fixedly connected with the outer pipe 2 through the buffer pipe 3.
[0037] The inner pipe 1 is fixedly connected with the outer pipe 2 through the buffer pipe 3.
[0038] The inner pipe 1 is fixedly connected with the outer pipe 2 through the buffer pipe 3.
[0039] It can be understood that the utility model can effectively resist the external force outside and form branch and buffering unloading force, in addition, even if damage occurs, it will not affect the normal use of the internal pipe material, and the maintenance is convenient and easy to operate; finally, the internal pipe material can be cooled or heated during use, which is suitable for different field use requirements and improves the overall use effect.
[0040] A specific application of the operation flow of the embodiment is: in use, the outer tube 2 and the buffer tube 3 of the outer ring form a double-layer corrugated structure, and the adjacent wave crest of the buffer tube 3 abuts against the first wave trough 6, so that the external force borne by the buffer tube 3 is branched and buffering is formed, achieving the effect of blocking the external force outside; in addition, through the double-layer protection structure, even if damage occurs, it is on the outside and does not affect the normal use of the inner tube 1; finally, the sealing of the pipe material at both ends can be realized through the end cover 4, the external connection hole 11 provided inside is combined with the guide hole 9 and the through hole 10, and the external cooling device is connected, so that the cooling medium is transmitted between the outer tube 2 and the buffer tube 3 to form cooling treatment on the inner tube 1, and the inner tube 1 can also be heated in this way, thereby adapting to the use requirements of different fields and improving the use effect.
[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0042] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.
Claims
1. A multi-layer composite PVC corrugated pipe comprising an inner pipe (1), characterized in that: a buffer pipe (3) and an outer pipe (2) are arranged outside the inner pipe (1) in sequence from inside to outside, for resisting external force outwardly and bearing damage instead of the inner pipe (1); the outer pipe (2) is provided with a first valley (6) between adjacent peaks, which is abutted by the adjacent peaks of the buffer pipe (3), for buffering external force; a head (4) is arranged at both ends of the pipe for sealing the gap between the inner pipe (1) and the end of the outer pipe (2) and the buffer pipe (3), and the head (4) is internally provided with an external hole (11) for transmitting cooling medium or heating medium of external equipment to the space between the outer pipe (2) and the buffer pipe (3), so as to apply cooling or heating treatment to the inner pipe (1).
2. A multi-layer composite PVC corrugated pipe according to claim 1, characterized in that: The buffer pipe (3) is provided with a second valley (7) between adjacent peaks, which is not in contact with the inner pipe (1) to form a suspended structure, for providing deformation space when buffering.
3. A multi-layer composite PVC corrugated pipe according to claim 1, characterized in that: The head (4) is internally provided with a pad (8) for filling the internal space of the peaks of the buffer pipe (3) and the outer pipe (2) and dynamically supporting by pressing.
4. A multi-layer composite PVC corrugated pipe according to claim 1, characterized in that: The head (4) is internally provided with a guide hole (9), the upper part of the middle section of which communicates with the external hole (11), and one end abuts the gap between the outer pipe (2) and the buffer pipe (3), and the upper end of the external hole (11) is provided with a sealing plug (12).
5. A multi-layer composite PVC corrugated pipe according to claim 1, characterized in that: The inner pipe (1), the outer pipe (2) and the buffer pipe (3) are a group and are installed in sections.
6. A multi-layer composite PVC corrugated pipe according to claim 1, characterized in that: The head (4) is provided with a sealing pad (5) away from the inner pipe (1), for adjusting the communication state of the internal guide hole (9) of the adjacent head (4), and the outer side of the sealing pad (5) is rotatably connected with the head (4) by an outer ring sleeve (13) and is fixed by a positioning pin (14) on the outer side thereof.
7. A multi-layer composite PVC corrugated pipe according to claim 6, characterized in that: The sealing pad (5) is internally provided with a through hole (10) communicating with the guide hole (9).