PVC (polyvinyl chloride) sleeve with telescopic storage function

Abstract

The utility model discloses a PVC casing pipe with a telescopic storage function, which comprises a storage sleeve, a first telescopic casing pipe and a second telescopic casing pipe, the first telescopic casing pipe is arranged at one end in the storage sleeve, and the second telescopic casing pipe is arranged at the other end in the storage sleeve. A fixing ring is fixedly connected to the middle position of the interior of the storage sleeve, and the output end of the first telescopic sleeve is fixedly connected with one side of the fixing ring. According to the utility model, the PVC sleeve is designed to have telescopic and storage functions, so that when the local part of the power cable needs to be overhauled, maintenance personnel do not need to frequently take down and reinstall the whole sleeve, and the sleeve can be easily disassembled by simply screwing the first butt joint port and the second butt joint port, so that space is vacated for the maintenance operation, and the maintenance efficiency is improved. And after the maintenance is finished, the sleeves can be quickly reconnected together through screw-thread fit, so that the maintenance time is greatly saved, and the labor intensity of maintenance personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC sleeve technical field, concretely relates to a PVC sleeve with telescopic storage function. BACKGROUND

[0002] As an important medium for power transmission, the safety and reliability of power cables are directly related to the stable operation of the power system. During the laying of the cable, external environmental factors (such as moisture, humidity, chemicals, mechanical damage, etc.) may cause damage to the cable, affecting its insulation performance and service life. Therefore, it is particularly important to set a protective layer on the outside of the cable. Polyvinyl chloride (PVC) is a widely used thermoplastic plastic, and because of its good physical properties, chemical stability, weather resistance and processing convenience, it has become an ideal material for power cable protection sleeves.

[0003] The patent discloses a kind of power cable PVC sleeve convenient to combine and splice, first PVC sleeve and second PVC sleeve are connected by limiting groove and limiting rod and fixed groove and fixed rod etc., after installing limiting rod and fixed rod, bolt is screwed into threaded hole, then rotating and tightening bolt, prevent main fixed ring and from fixed ring separate, easy to operate, reach the requirement of combination and splicing, when installing, first PVC sleeve and second PVC sleeve do not need to rotate, so that first PVC sleeve and second PVC sleeve and cable will not heat due to friction, avoid the winding of cable.

[0004] Although the above-mentioned PVC sleeve realizes convenient combination and splicing through the design of limiting groove, limiting rod, fixed groove, fixed rod and locking mechanism, but when the local part of the power cable needs to be repaired, these designs increase the difficulty of disassembly and reassembly. The repair personnel need to release the locking mechanism one by one, then separate the limiting rod and the limiting groove, the fixed rod and the fixed groove, and take off the PVC sleeve from the power cable, which is relatively cumbersome. After the repair is completed, it is also necessary to reassemble the PVC sleeve to the power cable according to the same steps, which is also time-consuming and laborious.

[0005] Therefore, it is necessary to invent a PVC sleeve with telescopic storage function to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a PVC sleeve with telescopic storage function to solve the problems in the above-mentioned technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A PVC sleeve with telescopic storage function, including storage sleeve, no.

[0008] Through the combination of storage sleeve, no.

[0009] Preferably, the no.

[0010] The no.

[0011] Preferably, the no.

[0012] The no.

[0013] Preferably, the no.

[0014] The no.

[0015] Preferably, the no.

[0016] The second limiting groove is arranged on the outer wall of the second loading ring, and is slidably connected with the second limiting ring on the inner wall of the second butt joint, which effectively prevents the second butt joint from deviating or falling off during rotation, and improves the stability and reliability of the connection.

[0017] Preferably, the cross-sectional shape of the second limiting groove and the second limiting ring is T-shaped, and the second butt joint and the second limiting ring are integrally formed.

[0018] The cross-sectional shape of the second limiting groove and the second limiting ring is T-shaped, which increases the strength and stability of the connection.

[0019] Preferably, the inner wall thread of the first butt joint matches the outer wall thread of the second butt joint, and the first butt joint and the second butt joint are made of PVC material.

[0020] The inner wall thread of the first butt joint matches the outer wall thread of the second butt joint, which enables the first butt joint and the second butt joint to be threadedly connected together, facilitating quick splicing of multiple PVC sleeves.

[0021] Preferably, the receiving sleeve and the fixing ring are integrally formed, and the receiving sleeve and the fixing ring are made of PVC material.

[0022] The receiving sleeve and the fixing ring are integrally formed, which improves the connection strength between the receiving sleeve and the fixing ring, and makes the entire sleeve more solid and durable.

[0023] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0024] 1. The PVC sleeve is designed with telescopic and storage functions, so that when local maintenance of the power cable is needed, the maintenance personnel do not need to frequently remove and reinstall the entire sleeve. By simply screwing the first butt joint and the second butt joint, the sleeve can be easily disassembled, leaving space for maintenance operation. After maintenance, the sleeve can also be quickly reconnected together through thread cooperation, greatly saving maintenance time and reducing labor intensity of maintenance personnel.

[0025] 2. The first butt joint and the second butt joint are respectively rotatably connected with the first loading ring and the second loading ring, which prevents the first telescopic sleeve and the second telescopic sleeve from being twisted when the joint is screwed, thereby avoiding damage to the sleeve structure caused by twisting. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a sectional view of the overall structure of the utility model;

[0027] Figure 2The utility model discloses a whole structure schematic diagram of the utility model;

[0028] Figure 3 The utility model discloses a whole structure schematic diagram of the utility model telescopic sleeve after stretching;

[0029] Figure 4 The utility model discloses a structure schematic diagram after two PVC sleeves splice;

[0030] Figure 5 The utility model discloses a structure sectional view after the first butt joint and the second butt joint are connected by screw thread.

[0031] Mark explanation:

[0032] 1, the sleeve is received, 2, the first telescopic sleeve, 3, the second telescopic sleeve, 4, the fixed ring, 5, the first loading ring, 6, the first butt joint, 7, the second loading ring, 8, the second butt joint, 9, the first limiting ring, 10, the second limiting ring. Specific implementation

[0033] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the attached drawing.

[0034] The utility model provides a PVC sleeve with telescopic storage function as Figures 1-5 The utility model discloses a PVC sleeve with telescopic storage function as shown in a kind of, including storage sleeve 1, the first telescopic sleeve 2 and the second telescopic sleeve 3, the first telescopic sleeve 2 is arranged in the inside one end of storage sleeve 1, the second telescopic sleeve 3 is arranged in the inside other end of storage sleeve 1, fixedly connected with fixed ring 4 at the inside middle position of storage sleeve 1, the output end of the first telescopic sleeve 2 is fixedly connected with one side of fixed ring 4, the input end of the second telescopic sleeve 3 is fixedly connected with the other side of fixed ring 4, the input end of the first telescopic sleeve 2 is fixedly connected with the first loading ring 5, the first loading ring 5 outside is rotatably connected with the first butt joint 6, the output end of the second telescopic sleeve 3 is fixedly connected with the second loading ring 7, and the second loading ring 7 outside is rotatably connected with the second butt joint 8, and the first butt joint 6 and the second butt joint 8 are close to the end outer wall of storage sleeve 1 with the inner wall of storage sleeve 1 with screw thread connection.

[0035] In one aspect of the embodiment, the first and second telescopic sleeves 2 and 3 are corrugated pipe structures, and are made of PVC material. The outer wall of the first loading ring 5 is provided with a first limiting groove, and the inner wall of the first butt joint 6 is fixedly connected with a first limiting ring 9 which is slidingly connected in the first limiting groove. The cross-sectional shape of the first limiting groove and the first limiting ring 9 is T-shaped. The first butt joint 6 and the first limiting ring 9 are integrally formed. The outer wall of the second loading ring 7 is provided with a second limiting groove, and the inner wall of the second butt joint 8 is fixedly connected with a second limiting ring 10 which is slidingly connected in the second limiting groove. The cross-sectional shape of the second limiting groove and the second limiting ring 10 is T-shaped. The second butt joint 8 and the second limiting ring 10 are integrally formed. The inner wall thread of the first butt joint 6 matches the outer wall thread of the second butt joint 8. The first and second butt joints 6 and 8 are made of PVC material. The receiving sleeve 1 and the fixing ring 4 are integrally formed, and are made of PVC material.

[0036] The working principle of the utility model is as follows:

[0037] Referring to the drawings in the specification Figures 1-5 In use of the utility model, first, the PVC sleeve is sleeved on the outer side of the power cable, then, the first and second butt joints 6 and 8 are rotated to gradually loosen and separate from the two ends of the receiving sleeve 1, and the first and second butt joints 6 and 8 are pulled to the two sides. Since the first and second telescopic sleeves 2 and 3 are corrugated pipe structures, they will stretch outwardly along with the pulling and gradually cover the surface of the power cable.

[0038] If the power cable is long, multiple PVC sleeves are needed for splicing. According to actual needs, the corresponding number of PVC sleeves can be added, and the PVC sleeves are sleeved on the outer side of the power cable one by one, then the PVC sleeves are stretched, and the threads of the first and second butt joints 6 and 8 are used to splice the PVC sleeves together. Since the first and second butt joints 6 and 8 are respectively connected with the first and second loading rings 5 and 7, the first and second butt joints 6 and 8 will not cause the first and second telescopic sleeves 2 and 3 to twist when they are screwed, thereby avoiding damage to the structure.

[0039] When the local position of the power cable needs to be repaired, the PVC sleeve at the corresponding position can be separated by screwing the first docking interface 6 and the second docking interface 8, and the separated first telescopic sleeve 2 and the second telescopic sleeve 3 are pushed back into the respective receiving sleeves 1 to provide space for the repair operation. After the repair is completed, the first telescopic sleeve 2 and the second telescopic sleeve 3 are stretched out, and the PVC sleeve is reconnected together through the threaded connection of the first docking interface 6 and the second docking interface 8. The PVC sleeve does not need to be frequently disassembled and assembled, which facilitates the quick repair of the power cable.

Claims

1. A PVC sleeve with telescopic storage function, comprising a storage sleeve (1), a first telescopic sleeve (2) and a second telescopic sleeve (3), characterized in that: The first telescopic sleeve (2) is arranged at one end of the receiving sleeve (1), the second telescopic sleeve (3) is arranged at the other end of the receiving sleeve (1), the fixed ring (4) is fixedly connected to the middle position of the receiving sleeve (1), the output end of the first telescopic sleeve (2) is fixedly connected to one side of the fixed ring (4), the input end of the second telescopic sleeve (3) is fixedly connected to the other side of the fixed ring (4), the input end of the first telescopic sleeve (2) is fixedly connected with the first loading ring (5), the first loading ring (5) is rotatably connected with the first docking port (6) outside, the output end of the second telescopic sleeve (3) is fixedly connected with the second loading ring (7), the second loading ring (7) is rotatably connected with the second docking port (8) outside, and the first docking port (6) and the second docking port (8) are both threadedly connected with the inner wall of the receiving sleeve (1) near one end of the outer wall of the receiving sleeve (1).

2. The PVC sleeve with telescopic storage function according to claim 1, characterized in that: The first telescopic sleeve (2) and the second telescopic sleeve (3) are both corrugated pipe structures, and are both made of PVC material.

3. The PVC sleeve with telescopic storage function according to claim 1, characterized in that: The outer wall of the first loading ring (5) is provided with a first limiting groove, the inner wall of the first docking port (6) is fixedly connected with a first limiting ring (9), and the first limiting ring (9) is slidably connected in the first limiting groove.

4. The PVC sleeve with telescopic storage function according to claim 3, characterized in that: The first limiting groove and the first limiting ring (9) are both T-shaped in cross-section, and the first docking port (6) and the first limiting ring (9) are integrally formed.

5. The PVC sleeve with telescopic storage function according to claim 1, characterized in that: The outer wall of the second loading ring (7) is provided with a second limiting groove, the inner wall of the second docking port (8) is fixedly connected with a second limiting ring (10), and the second limiting ring (10) is slidably connected in the second limiting groove.

6. The PVC sleeve with telescopic storage function according to claim 5, characterized in that: The second limiting groove and the second limiting ring (10) are both T-shaped in cross-section, and the second docking port (8) and the second limiting ring (10) are integrally formed.

7. The PVC sleeve with telescopic storage function according to claim 1, characterized in that: The inner thread of the first docking port (6) is matched with the outer thread of the second docking port (8), and the first docking port (6) and the second docking port (8) are both made of PVC material.

8. The PVC sleeve with telescopic storage function according to claim 1, characterized in that: The receiving sleeve (1) and the fixed ring (4) are integrally formed, and are both made of PVC material.

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