Underground cable PE conduit laying isolation structure
By designing an isolation structure for laying an underground cable PE conduit including an isolation sleeve and a clamping mechanism, the problem of corrosion caused by direct contact with the soil during the laying process is solved, and high safety and long service life are achieved.
Patent Information
- Application Number
- CN202421489746.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing PE cable protection conduits are prone to contact the soil directly during laying, resulting in corrosion and reducing service life.
An isolation structure for laying underground cable PE conduits is designed, including an isolation sleeve and a clamping mechanism. The isolation sleeve is clamped through the clamping mechanism to prevent direct contact between the PE conduits and the soil, and through the cooperation of the support rod and the return spring, the isolation effect between the isolation sleeve and the soil is ensured.
Effectively prevent direct contact between PE conduits and soil, improve safety and service life, and simplify the installation process.
Smart Images
Figure CN222826963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PE conduit laying, in particular to an underground cable PE conduit laying isolation structure. Background Art
[0002] Cable is a device used for transmitting electrical energy or signals. It is usually composed of several or several groups of mutually insulated wires and an outer insulating protective layer. These wires can be single-strand or multi-strand. They are insulated from each other and often twisted around a center. The entire outer layer is covered with a highly insulating covering. Cables have the characteristics of being powered inside and insulated outside, and can transmit electricity or information from one place to another.
[0003] There are many ways to lay cables, including direct burial, pipe laying, shallow trench laying, cable trench laying, cable tunnel laying, and overhead laying. Each laying method has its applicable scenarios and advantages and disadvantages.
[0004] According to the applicant's search, the existing PE cable protection conduit plays an important role in cable wiring projects and is mainly used to protect cables. The PE cable protection conduit has excellent electrical insulation performance to prevent the cable from being damaged by the external environment. However, during the laying process, the PE conduit is often directly buried underground and in contact with the soil, which is prone to corrosion and reduces its service life.
[0005] Therefore, in view of the above problems, it is necessary for the applicant to design an underground cable PE conduit laying isolation structure to solve the problem. Utility Model Content
[0006] The utility model aims to provide an underground cable PE conduit laying isolation structure to solve the problems mentioned in the above background technology.
[0007] To achieve the above purpose, the utility model provides the following technical solutions: an isolation structure for laying underground cable PE conduit, comprising an isolation sleeve,
[0008] The device further comprises: a clamping mechanism, wherein the clamping mechanism comprises a first clamping member, and the first clamping member is in close contact with the outer surface of the isolation sleeve, a sliding rod is rotatably provided on one side of the first clamping member, a second clamping member is rotatably provided on the outer surface of the sliding rod, and one side outer surface of the second clamping member is in close contact with one side outer surface of the first clamping member;
[0009] The support rod is detachably mounted on the inner surface of one side of the clamping mechanism, one end of the support rod is fixedly provided with a pointed head, and the outer surface of the support rod is fixedly provided with a pressing rod.
[0010] Furthermore, a protective sleeve is threadedly provided on the outer surface of the support rod, and the protective sleeve is located outside the pointed head.
[0011] Furthermore, a connecting rod is fixedly provided on the outer surface of the first clamping member, and a fixing member is rotatably provided on the outer surface of the connecting rod. A fixing rod is fixedly provided on the outer surface of the fixing member, and a threaded rod is fixedly provided on one end of the fixing rod.
[0012] Furthermore, a nut is threadedly provided on the outer surface of the threaded rod, and the nut is matched with the second clamping member.
[0013] Furthermore, a cavity is provided inside the support rod, and a fixed block is provided inside the cavity, a plurality of return springs are fixedly provided on the outer surface of the fixed block, a plurality of limit blocks are fixedly provided on one end of the return springs away from the fixed block, and a plurality of limit blocks slide through the outer surface of the support rod and extend to the outside of the support rod on one end away from the return spring.
[0014] Furthermore, a connecting piece is fixedly provided on the outer surface of the first clamping piece, and a connecting sleeve is provided on the bottom surface of the connecting piece. A positioning groove is provided inside the connecting sleeve, and the positioning groove is matched with the support rod.
[0015] Furthermore, the inner surface of the positioning groove is provided with a plurality of limiting grooves, and the plurality of limiting grooves are respectively matched with a plurality of limiting blocks.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the underground cable PE conduit laying isolation structure is easy to install in different terrains, and is easy to install, does not come into direct contact with the soil, has high safety, and has a long service life. The specific contents are as follows:
[0017] 1. A clamping mechanism is provided. When in use, the PE conduit wrapped with the cable is inserted into the isolation sleeve. After the insertion is completed, the isolation sleeve is placed inside the first clamping piece and the second clamping piece is rotated by external force. When the first clamping piece and the second clamping piece clamp the isolation sleeve, the nut is rotated. The nut moves on the threaded rod to squeeze the first clamping piece and the second clamping piece, so that the stability of the isolation sleeve clamped by the first clamping piece and the second clamping piece is improved. The isolation sleeve is convenient for preventing the PE conduit from directly contacting the soil, and has high safety and long service life.
[0018] 2. A support rod and a pointed tip are provided. When in use, an external force is used to press the limit block and insert the support rod into the connecting sleeve. When the limit block reaches the positioning groove, the elastic force of the reset spring will push the limit block to engage into the positioning groove. At this time, the support rod is rotated so that the support rod drives the limit block to be inserted into the limit groove, which is convenient for firmly connecting the support rod and the clamping mechanism, and the installation efficiency is high. After the installation is completed, the protective sleeve is rotated to expose the pointed tip and insert the pointed tip into the soil. When the support rod is stable, clean sand or fine soil is compacted and filled on the outside of the isolation sleeve and the soil to prevent the isolation sleeve from direct contact with the environmental soil, prevent the isolation sleeve from corrosion, and increase the service life of the PE conduit and cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the overall split structure of the utility model;
[0021] Figure 3 This is a three-dimensional cross-sectional structural diagram of the support rod of the utility model;
[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the clamping mechanism of the utility model;
[0023] Figure 5 For this utility model Figure 4 The enlarged structural diagram at A in the middle;
[0024] Figure 6 It is a three-dimensional structural schematic diagram of the connecting sleeve of the utility model.
[0025] In the figure: 1. isolation sleeve; 2. clamping mechanism; 10. support rod; 11. pointed head; 12. protective sleeve; 13. pressing rod; 20. connecting sleeve; 21. connecting member; 22. first clamping member; 23. sliding rod; 24. second clamping member; 25. connecting rod; 26. fixing member; 27. fixing rod; 28. threaded rod; 29. nut; 100. cavity; 101. fixing block; 102. return spring; 103. limit block; 200. positioning groove; 201. limit groove. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] like Figure 1-Figure 6As shown, the utility model is an underground cable PE conduit laying isolation structure, including an isolation sleeve 1, and also includes: a clamping mechanism 2, the clamping mechanism 2 includes a first clamping piece 22, and the first clamping piece 22 is tightly attached to the outer surface of the isolation sleeve 1, a sliding rod 23 is rotatably provided on one side of the first clamping piece 22, and a second clamping piece 24 is rotatably provided on the outer surface of the sliding rod 23, and one side outer surface of the second clamping piece 24 is tightly attached to one side outer surface of the first clamping piece 22, a connecting rod 25 is fixedly provided on the outer surface of the first clamping piece 22, and a fixing piece 26 is rotatably provided on the outer surface of the connecting rod 25, a fixing rod 27 is fixedly provided on the outer surface of the fixing piece 26, and a threaded rod 28 is fixedly provided on one end of the fixing rod 27, a nut 29 is threadedly provided on the outer surface of the threaded rod 28, and the nut 29 is adapted to the second clamping piece 24.
[0028] Through the above structural design, when in use, the PE conduit wrapped with the cable is inserted into the isolation sleeve 1. After the insertion is completed, the isolation sleeve 1 is placed inside the first clamping piece 22 and the second clamping piece 24 is rotated by external force. When the first clamping piece 22 and the second clamping piece 24 clamp the isolation sleeve 1, the nut 29 is rotated. The nut 29 moves on the threaded rod 28 to squeeze the first clamping piece 22 and the second clamping piece 24, so that the stability of the isolation sleeve 1 clamped by the first clamping piece 22 and the second clamping piece 24 is improved. The isolation sleeve 1 is convenient for preventing the PE conduit from directly contacting the soil, and has high safety and long service life.
[0029] The support rod 10 is detachably mounted on the inner surface of one side of the clamping mechanism 2, a pointed head 11 is fixedly arranged at one end of the support rod 10, a pressing rod 13 is fixedly arranged on the outer surface of the support rod 10, a protective sleeve 12 is threadedly arranged on the outer surface of the support rod 10, and the protective sleeve 12 is located outside the pointed head 11, a cavity 100 is arranged inside the support rod 10, and a fixing block 101 is arranged inside the cavity 100, and a plurality of return springs 102 are fixedly arranged on the outer surface of the fixing block 101, and the ends of the plurality of return springs 102 away from the fixing block 101 are fixed A limit block 103 is provided, and one end of several limit blocks 103 away from the return spring 102 slides through the outer surface of the support rod 10 and extends to the outside of the support rod 10, a connecting member 21 is fixedly provided on the outer surface of the first clamping member 22, and a connecting sleeve 20 is provided on the bottom surface of the connecting member 21, a positioning groove 200 is provided inside the connecting sleeve 20, and the positioning groove 200 is adapted to the support rod 10, a plurality of limit grooves 201 are opened on the inner surface of the positioning groove 200, and the plurality of limit grooves 201 are respectively adapted to the plurality of limit blocks 103.
[0030] Through the above structural design, when in use, use external force to press the limit block 103 and insert the support rod 10 into the connecting sleeve 20. When the limit block 103 reaches the positioning groove 200, the elastic force of the return spring 102 will push the limit block 103 to engage into the positioning groove 200. At this time, rotate the support rod 10 so that the support rod 10 drives the limit block 103 to be inserted into the limit groove 201, which is convenient for firmly connecting the support rod 10 and the clamping mechanism 2. The installation efficiency is high. After the installation is completed, rotate the protective sleeve 12 to expose the pointed head 11 and insert the pointed head 11 into the soil. When the support rod 10 is stable, clean sand or fine soil is compacted and filled on the outside of the isolation sleeve 1 and the soil, which will prevent the isolation sleeve 1 from directly contacting the environmental soil and prevent the isolation sleeve 1 from corrosion, which will increase the service life of the PE conduit and cable.
[0031] Working principle: When using the underground cable PE conduit to lay the isolation structure, when in use, insert the PE conduit wrapped with the cable into the isolation sleeve 1. After the insertion is completed, place the isolation sleeve 1 inside the first clamping piece 22 and use external force to rotate the second clamping piece 24. After the first clamping piece 22 and the second clamping piece 24 clamp the isolation sleeve 1, turn the nut 29. The nut 29 moves on the threaded rod 28 to squeeze the first clamping piece 22 and the second clamping piece 24, so as to enhance the stability of the first clamping piece 22 and the second clamping piece 24 clamping the isolation sleeve 1. After the clamping mechanism 2 and the isolation sleeve 1 are installed, use external force to press the limit block 103 and insert the support rod 10 into the connection. In the sleeve 20, when the limit block 103 reaches the positioning groove 200, the elastic force of the return spring 102 will push the limit block 103 to engage into the positioning groove 200. At this time, the support rod 10 is rotated so that the support rod 10 drives the limit block 103 to be inserted into the limit groove 201, which is convenient for firmly connecting the support rod 10 and the clamping mechanism 2, and the installation efficiency is high. After the installation is completed, the protective sleeve 12 is rotated to expose the pointed head 11, and the pointed head 11 is inserted into the soil. When the support rod 10 is stable, clean sand or fine soil is compacted and filled on the outside of the isolation sleeve 1 and the soil, which will prevent the isolation sleeve 1 from direct contact with the environmental soil, prevent the isolation sleeve 1 from corrosion, and increase the service life of the PE conduit and cable.
[0032] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. An isolation structure for laying underground cable PE conduit, comprising an isolation sleeve (1), It is characterized in that Also includes: A clamping mechanism (2), the clamping mechanism (2) comprising a first clamping member (22), the first clamping member (22) being in close contact with the outer surface of the isolation sleeve (1), a sliding rod (23) being rotatably provided on one side of the first clamping member (22), a second clamping member (24) being rotatably provided on the outer surface of the sliding rod (23), and an outer surface of one side of the second clamping member (24) being in close contact with an outer surface of one side of the first clamping member (22); A support rod (10) is detachably mounted on an inner surface of one side of the clamping mechanism (2); a pointed head (11) is fixedly disposed on one end of the support rod (10); and a pressing rod (13) is fixedly disposed on the outer surface of the support rod (10).
2. The underground cable PE conduit laying isolation structure according to claim 1 is characterized by: The outer surface of the support rod (10) is threadedly provided with a protective sleeve (12), and the protective sleeve (12) is located outside the pointed head (11).
3. The underground cable PE conduit laying isolation structure according to claim 1 is characterized by: A connecting rod (25) is fixedly provided on the outer surface of the first clamping member (22), and a fixing member (26) is rotatably provided on the outer surface of the connecting rod (25), a fixing rod (27) is fixedly provided on the outer surface of the fixing member (26), and a threaded rod (28) is fixedly provided on one end of the fixing rod (27).
4. The underground cable PE conduit laying isolation structure according to claim 3 is characterized by: The outer surface of the threaded rod (28) is threadedly provided with a nut (29), and the nut (29) is matched with the second clamping member (24).
5. The underground cable PE conduit laying isolation structure according to claim 3 is characterized by: The support rod (10) is provided with a cavity (100) inside, and a fixed block (101) is provided inside the cavity (100); a plurality of return springs (102) are fixedly provided on the outer surface of the fixed block (101); a limiting block (103) is fixedly provided on one end of the plurality of return springs (102) away from the fixed block (101); and a plurality of limiting blocks (103) are slidably penetrated through the outer surface of the support rod (10) at one end away from the return spring (102) and extend to the outside of the support rod (10).
6. The underground cable PE conduit laying isolation structure according to claim 5, characterized in that: A connecting piece (21) is fixedly provided on the outer surface of the first clamping piece (22), and a connecting sleeve (20) is provided on the bottom surface of the connecting piece (21). A positioning groove (200) is provided inside the connecting sleeve (20), and the positioning groove (200) is adapted to the support rod (10).
7. The underground cable PE conduit laying isolation structure according to claim 6, characterized in that: The inner surface of the positioning groove (200) is provided with a plurality of limiting grooves (201), and the plurality of limiting grooves (201) are respectively matched with a plurality of limiting blocks (103).