Prefabricated insulation sleeve accessory

Abstract

The utility model discloses a prefabricated insulation sleeve accessory which comprises an insulation sleeve, the inner wall of the insulation sleeve is provided with arc-shaped insulation pads distributed in a splayed shape, the inner sides of the two arc-shaped insulation pads are respectively provided with a first wiring terminal and a second wiring terminal, the outer walls of the two ends of the first wiring terminal are respectively welded with a first connecting ring, and the outer walls of the two ends of the second wiring terminal are respectively welded with a second connecting ring. Second connecting rings are welded to the outer walls of the two sides of the second wiring end, threaded connectors are arranged at the two ends of the insulating sleeve, and a protective sleeve is arranged outside the insulating sleeve. According to the utility model, a detachable design is adopted as a whole, so that in the process of assembling and using the accessory, the flexibility is higher, rapid adaptation processing can be carried out according to different conditions, and through arranging the reinforcing torsion ribs which are arranged in a cable-stayed manner on the outer wall of the insulation sleeve, the insulation sleeve can be uniformly protected along the inclined surface after being heated and shrunk, and the service life of the accessory is prolonged. Therefore, the transverse and longitudinal tensile effects are improved, and the firmness of the insulation sleeve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating sleeves, in particular to a prefabricated insulating sleeve accessory. Background Art

[0002] Prefabricated insulation sleeve accessories, also known as prefabricated cable accessories, are components used for cable connection and protection in high-voltage cable systems. It is composed of multiple components, including insulation sleeves, terminals, connectors, protective sleeves, etc., which can be prefabricated and combined together and quickly installed on site to meet the connection and protection needs of the cable system. Prefabricated insulation sleeve accessories have the characteristics of easy installation, high reliability, and simple maintenance. They are widely used in high-voltage cable systems in the fields of power, petroleum, chemical industry, metallurgy, transportation, etc.

[0003] However, during the use of the existing prefabricated insulating sleeves, there is a problem that the protective layer of the insulating sleeves is not strong enough, and cracks are easily formed at the joints, which causes the insulating layer at the joints to be easily damaged, thus causing a safety hazard of leakage. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a prefabricated insulating sleeve accessory.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A prefabricated insulating sleeve accessory comprises an insulating sleeve, wherein the inner wall of the insulating sleeve is provided with arc-shaped insulating pads distributed in an octagonal shape, a first terminal and a second terminal are respectively provided on the inner sides of two arc-shaped insulating pads, first connecting rings are welded to the outer walls at both ends of the first terminal, and second connecting rings are welded to the outer walls at both sides of the second terminal, threaded joints are provided at both ends of the insulating sleeve, a protective sleeve is provided on the outside of the insulating sleeve, a first adjusting rubber strip is connected to the outer wall of one end of the protective sleeve, and a second adjusting rubber strip is connected to the outer wall of the other end of the protective sleeve.

[0007] As a further solution of the utility model: arc-shaped grooves distributed at equal distances are arranged on the outer walls around the insulating sleeve, and reinforcing torsion bars are arranged on the inner walls of the arc-shaped grooves.

[0008] As a further solution of the utility model: the outer wall around the top of the threaded joint is provided with rectangular grooves distributed at equal distances, and the outer wall of the threaded joint is screwed with an internal thread protection cap.

[0009] As a further solution of the utility model: a plug-in strip is bonded to the outer wall of the first adjusting rubber strip, and positioning slots distributed at equal distances are opened on the outer wall of the second adjusting rubber strip on one side close to the first adjusting rubber strip.

[0010] As a further solution of the utility model: the inner wall size of the positioning slot is matched with the outer wall size of the plug-in strip, and the positioning slot and the plug-in strip form a plug-in fit.

[0011] As a further solution of the utility model: the outer wall size of the insulating sleeve is matched with the inner wall size of the threaded joint, and the threaded joint and the insulating sleeve form a tight fit.

[0012] Compared with the prior art, the utility model provides a prefabricated insulating sleeve accessory, which has the following beneficial effects:

[0013] 1. A prefabricated insulating sleeve accessory adopts a detachable design as a whole, so that it has higher flexibility during the assembly and use of the accessory, and can be quickly adapted to different situations. In addition, by arranging obliquely arranged reinforcing torsion bars on the outer wall of the insulating sleeve, the insulating sleeve can be evenly protected along the inclined surface after heat shrinkage, thereby improving the transverse and longitudinal tensile resistance and improving the firmness of the insulating sleeve.

[0014] 2. A prefabricated insulating sleeve accessory, which can quickly adapt to wires of different sizes for wrapping and protection by arranging a protective sleeve with quickly adjustable size specifications on the outside of the insulating sleeve. In conjunction with the insulating sleeve arranged inside, double insulation protection measures can be achieved. Threaded joint boxes and internal threaded protective caps are arranged at the joints at both ends, so that in conjunction with the heat shrink tubing, the joints can be well sealed to reduce the infiltration of dust and rainwater.

[0015] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a prefabricated insulating sleeve accessory proposed by the utility model;

[0017] Figure 2 This is a side view of the internal split structure of a prefabricated insulating sleeve accessory proposed by the utility model;

[0018] Figure 3 This is a bottom view of the overall structure of a prefabricated insulating sleeve accessory proposed by the utility model;

[0019] Figure 4 The present invention is a partial structural schematic diagram of a prefabricated insulating sleeve accessory proposed by the present invention.

[0020] In the figure: 1. Insulating sleeve; 2. Arc-shaped insulating pad; 3. First terminal; 4. Second terminal; 5. First connecting ring; 6. Second connecting ring; 7. Arc-shaped groove; 8. Reinforced torsion rib; 9. Threaded joint; 10. Rectangular groove; 11. Protective sleeve; 12. Internal thread protective cap; 13. First adjusting rubber strip; 14. Second adjusting rubber strip; 15. Connecting strip; 16. Positioning slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Embodiment 1:

[0023] A prefabricated insulating sleeve accessory. This embodiment is based on the fact that the existing prefabricated insulating sleeve accessories are easily damaged during use. In order to achieve firm protection, Figure 1-4 As shown, it includes an insulating sleeve 1, the inner wall of the insulating sleeve 1 is provided with arc-shaped insulating pads 2 distributed in an octave, the inner sides of the two arc-shaped insulating pads 2 are respectively provided with a first terminal 3 and a second terminal 4, the outer walls of both ends of the first terminal 3 are welded with a first connecting ring 5, and the outer walls of both sides of the second terminal 4 are welded with a second connecting ring 6, both ends of the insulating sleeve 1 are provided with a threaded joint 9, the outside of the insulating sleeve 1 is provided with a protective sleeve 11, the outer wall of one end of the protective sleeve 11 is connected to a first adjusting rubber strip 13, and the outer wall of the other end of the protective sleeve 11 is connected to a second adjusting rubber strip 14;

[0024] The overall detachable design allows for greater flexibility during the assembly and use of accessories, and allows for quick adaptation to different situations. Furthermore, by providing obliquely-drawn reinforcing torsion bars 8 on the outer wall of the insulating sleeve 1, the insulating sleeve 1 can be evenly protected along the inclined surface after shrinkage due to heat, thereby improving the transverse and longitudinal tensile resistance and improving the firmness of the insulating sleeve 1.

[0025] The outer wall of the insulating sleeve 1 is provided with arc grooves 7 distributed at equal distances, and the inner wall of the arc groove 7 is provided with reinforcing torsion bars 8, the outer wall of the top of the threaded joint 9 is provided with rectangular cutting grooves 10 distributed at equal distances, and the outer wall of the threaded joint 9 is screwed with an internal thread protection cap 12;

[0026] The inner wall size of the positioning slot 16 matches the outer wall size of the plug-in strip 15, and the positioning slot 16 and the plug-in strip 15 form a plug-in fit;

[0027] By arranging a protective cover 11 with quickly adjustable size specifications on the outside of the insulating cover 1, it is possible to quickly adapt to wires of different sizes for wrapping and protection. In conjunction with the insulating cover 1 arranged inside, double insulation protection measures can be achieved. Threaded joints 9 and internal threaded protective caps 12 are arranged at the joints at both ends. In conjunction with the heat shrink tubing, the joints can be well sealed to reduce the infiltration of dust and rainwater.

[0028] When using this embodiment, first take out the prefabricated insulating sleeve accessory to be used, remove the protective sleeve 11 on the outer wall, then turn off the external power supply of the wire to be connected, push the insulating sleeve 1 backward to expose the first terminal 3 and the second terminal 4, and connect the external positive and negative wires to the first connecting ring 5 and the second connecting ring 6 respectively. After connecting the outer wall, reset the insulating sleeve 1, and then use the external heating equipment to heat and shrink the insulating sleeve 1, so as to perform insulation protection treatment on the connection. The reinforcing torsion ribs 8 provided on the outer wall of the insulating sleeve 1 can be well wrapped around the outer wall of the insulating sleeve 1 to improve the lateral and longitudinal tensile strength of the insulating sleeve 1, and move the threaded joint 9 to the two ends of the insulating sleeve 1, and put the protective sleeve 11 on the threaded joint 9 and the outer wall of the insulating sleeve 1. According to the size of the wire, the plug-in strip 15 is inserted into the appropriate positioning slot 16. After the fixation is completed, the protective sleeve 11 is heated and shrunk by the heating equipment on the outer wall. After the shrinkage treatment is completed, the internal thread protective cap 12 is screwed to the outside of the threaded joint 9 to complete the sealing treatment of the two ends of the connection.

[0029] Embodiment 2:

[0030] A prefabricated insulating sleeve accessory, such as Figure 1-4 As shown, this embodiment makes the following supplements on the basis of Embodiment 1: the outer wall size of the insulating sleeve 1 is adapted to the inner wall size of the threaded joint 9, and the threaded joint 9 and the insulating sleeve 1 form a tight fit, the outer wall of the first adjusting rubber strip 13 is bonded with a plug-in strip 15, and the outer wall of the second adjusting rubber strip 14 on one side close to the first adjusting rubber strip 13 is provided with positioning slots 16 distributed at equal distances.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A prefabricated insulating sleeve accessory, comprising an insulating sleeve (1), characterized in that: The inner wall of the insulating sleeve (1) is provided with arc-shaped insulating pads (2) distributed in an octagonal shape, and the inner sides of the two arc-shaped insulating pads (2) are respectively provided with a first terminal (3) and a second terminal (4), and the outer walls at both ends of the first terminal (3) are welded with a first connecting ring (5), and the outer walls at both sides of the second terminal (4) are welded with a second connecting ring (6), and the two ends of the insulating sleeve (1) are provided with threaded joints (9), and the outside of the insulating sleeve (1) is provided with a protective sleeve (11), and the outer wall of one end of the protective sleeve (11) is connected to a first adjusting rubber strip (13), and the outer wall of the other end of the protective sleeve (11) is connected to a second adjusting rubber strip (14).

2. A prefabricated insulating sleeve accessory according to claim 1, characterized in that: The outer walls of the insulating sleeve (1) are provided with arc-shaped grooves (7) distributed at equal distances, and the inner walls of the arc-shaped grooves (7) are provided with reinforcing torsion bars (8).

3. The prefabricated insulating sleeve accessory according to claim 1, characterized in that: The outer wall around the top of the threaded joint (9) is provided with rectangular grooves (10) distributed at equal distances, and the outer wall of the threaded joint (9) is screwed with an internal thread protection cap (12).

4. The prefabricated insulating sleeve accessory according to claim 1, characterized in that: The outer wall of the first adjusting rubber strip (13) is bonded with a plug-in strip (15), and the outer wall of the second adjusting rubber strip (14) on one side close to the first adjusting rubber strip (13) is provided with positioning slots (16) distributed at equal distances.

5. A prefabricated insulating sleeve accessory according to claim 4, characterized in that: The inner wall size of the positioning slot (16) is matched with the outer wall size of the plug-in strip (15), and the positioning slot (16) and the plug-in strip (15) form a plug-in fit.

6. The prefabricated insulating sleeve accessory according to claim 1, characterized in that: The outer wall size of the insulating sleeve (1) is matched with the inner wall size of the threaded joint (9), and the threaded joint (9) and the insulating sleeve (1) form a tight fit.

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