Silicone rubber cold contraction cable accessory

Abstract

The utility model relates to the technical field of cold-shrink cable accessories, in particular to a silicone rubber cold-shrink cable accessory, which comprises a three-finger sleeve, a cable outer sheath is arranged at the bottom end of the three-finger sleeve, an insulating tube is arranged at the top end of the three-finger sleeve, and a terminal body is arranged at one end, far away from the three-finger sleeve, of the insulating tube. A plurality of umbrella skirts are arranged and fixedly connected to the outer side of the terminal body at equal intervals, a sealing pipe is arranged at one end, far away from the three-finger sleeve, of the terminal body, a wiring terminal is arranged at one end, far away from the terminal body, of the sealing pipe, fixing supporting plates are symmetrically and fixedly connected to the two side walls of the wiring terminal, and the fixing supporting plates are fixedly connected to the two side walls of the terminal body. According to the utility model, the connection strength and the sealing performance between the sealing pipe and the wiring terminal are better, so that the insulation capability is not easy to be reduced, and water is not easy to invade into cable accessories, thereby prolonging the service life, ensuring the normal operation, and avoiding electric power accidents.

Description

Technical Field

[0001] The utility model relates to the technical field of cold shrink cable accessories, in particular to a silicone rubber cold shrink cable accessory. Background Art

[0002] Cold shrink cable accessories are components used for insulation, protection and connection of power cables. They are made of special rubber materials and have the characteristics of high insulation strength, aging resistance, corrosion resistance and good weather resistance. Cold shrink cable accessories are made through physical foaming technology, which makes them light, soft and highly plastic. They are suitable for cable connection and protection in various complex environments. The main types of cold shrink cable accessories include cold shrink terminal heads, cold shrink intermediate joints, cold shrink grounding boxes, etc. They are mainly used for terminals, intermediate connections, grounding and other parts of power cables, and play the role of insulation, protection and connection. The installation of cold shrink cable accessories is simple and quick, without the use of special tools, which can greatly shorten the project installation time and improve work efficiency.

[0003] With the rapid development of the cable field, cold shrink cable accessories have also been widely used. However, traditional cold shrink cable accessories still have some shortcomings, such as poor connection strength and sealing between the sealing tube and the terminal, which can easily reduce its insulation ability and cause moisture to invade the cable accessories, thereby reducing its service life and affecting its normal operation. In severe cases, power accidents may also occur. Therefore, a silicone rubber cold shrink cable accessory is proposed to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a silicone rubber cold shrink cable accessory, which has better connection strength and sealing between the sealing tube and the terminal, so it is not easy to reduce its insulation ability and cause moisture to invade the cable accessory, thereby increasing its service life, ensuring its normal operation, avoiding power accidents, and solving the problems raised in the above-mentioned background technology.

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

[0006] A silicone rubber cold shrink cable accessory comprises a three-finger sleeve, wherein the bottom end of the three-finger sleeve is provided with a cable outer sheath, the top end of the three-finger sleeve is provided with an insulating tube, the end of the insulating tube away from the three-finger sleeve is provided with a terminal body, a plurality of sheds are arranged at equal intervals and fixedly connected on the outer side of the terminal body, a sealing tube is provided on the end of the terminal body away from the three-finger sleeve, a wiring terminal is provided on the end of the sealing tube away from the terminal body, fixed support plates are symmetrically and fixedly connected on both side walls of the wiring terminal, and a sealing component is provided on the fixed support plate.

[0007] Preferably, the sealing assembly includes an adjusting screw, which passes through the fixed support plate and is threadedly connected to the fixed support plate. The top end of the adjusting screw is fixedly connected to an adjusting dial, and the bottom end of the adjusting screw is provided with a rotary joint.

[0008] Preferably, a movable support block is provided at the bottom of the rotary joint, a fixed connection block is fixedly connected to a side wall of the movable support block close to the wiring terminal, a movable connection block is provided on one side of the fixed connection block, and the movable connection block is movably sleeved on the outer surface of the fixed connection block.

[0009] Preferably, an arc-shaped clamping plate is fixedly connected to a side wall of the movable connecting block away from the fixed connecting block, and a sealing strip is fixedly connected to a side wall of the arc-shaped clamping plate close to the connecting terminal.

[0010] Preferably, the ends of the arc-shaped clamping plate are symmetrically and fixedly connected with connecting support plates, and fastening bolts penetrate through and are threadedly connected to the connecting support plates.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, the three-finger sleeve is provided to provide assistance for the connection of the cable, the cable outer sheath is provided to provide protection for the cable, the insulating tube is provided to provide insulation for the cable, the terminal body is provided to realize the connection between the cable and other electrical equipment, the sealing tube is provided to provide good sealing ability, the wiring terminal is provided to be connected to other electrical equipment, and the sealing assembly is provided to provide good connection strength and sealing between the sealing tube and the wiring terminal, so it is not easy to reduce its insulation ability and cause moisture to invade the cable accessories, etc., thereby increasing its service life, ensuring its normal operation, and avoiding power accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the sealing state structure of the sealing assembly of the utility model;

[0015] Figure 3 This is a schematic structural diagram of the sealing assembly of the utility model in an unsealed state;

[0016] Figure 4 This is an enlarged structural diagram of the sealing component of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the movable joint of the utility model;

[0018] Figure 6It is a top view of the arc-shaped splint of the utility model.

[0019] In the figure: 1. three-finger sleeve; 2. cable outer sheath; 3. insulating tube; 4. terminal body; 5. umbrella skirt; 6. sealing tube; 7. wiring terminal; 8. fixed support plate; 9. adjusting screw; 10. adjusting dial; 11. rotating joint; 12. moving support block; 13. fixed connection block; 14. movable connection block; 15. arc splint; 16. sealing strip; 17. connecting support plate; 18. fastening bolts. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0022] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0023] See also Figure 1-6 , the utility model provides a technical solution:

[0024] A silicone rubber cold shrink cable accessory comprises a three-finger sleeve 1, a cable outer sheath 2 is arranged at the bottom end of the three-finger sleeve 1, an insulating tube 3 is arranged at the top end of the three-finger sleeve 1, a terminal body 4 is arranged at one end of the insulating tube 3 away from the three-finger sleeve 1, a plurality of sheds 5 are arranged at equal intervals and fixedly connected to the outer side of the terminal body 4, a sealing tube 6 is arranged at one end of the terminal body 4 away from the three-finger sleeve 1, a wiring terminal 7 is arranged at one end of the sealing tube 6 away from the terminal body 4, fixed support plates 8 are symmetrically and fixedly connected to both side walls of the wiring terminal 7, and a sealing component is arranged on the fixed support plate 8.

[0025] The sealing assembly includes an adjusting screw 9, which passes through the fixed support plate 8 and is threadedly connected to the fixed support plate 8. The top of the adjusting screw 9 is fixedly connected with an adjusting dial 10. The bottom of the adjusting screw 9 is provided with a rotating joint 11. The bottom of the rotating joint 11 is provided with a movable support block 12. The movable support block 12 is fixedly connected to a fixed connection block 13 on a side wall close to the terminal 7. A movable connection block 14 is provided on one side of the fixed connection block 13. The movable connection block 14 is movably sleeved on the outer surface of the fixed connection block 13. The movable connection block 14 is away from the side of the fixed connection block 13. An arc-shaped clamping plate 15 is fixedly connected to the wall, a sealing strip 16 is fixedly connected to one side wall of the arc-shaped clamping plate 15 close to the terminal 7, the ends of the arc-shaped clamping plate 15 are symmetrically and fixedly connected to a connecting support plate 17, and a fastening bolt 18 passes through and is threadedly connected to the connecting support plate 17. The sealing assembly can provide good connection strength and sealing between the sealing tube 6 and the terminal 7, so it is not easy to reduce its insulation ability and cause moisture to invade the cable accessories, etc., thereby increasing its service life, ensuring its normal operation, and avoiding power accidents.

[0026] Working process: After the sealing tube 6 is connected to the terminal 7, the adjusting dial 10 is rotated, and the adjusting screw 9 is synchronously driven to rotate by the rotation of the adjusting dial 10. The rotation of the adjusting screw 9 will drive the movable support block 12 to move downward, and the movable support block 12 will drive the arc clamping plate 15 to move downward through the fixed connection block 13 and the movable connection block 14. When the arc clamping plate 15 moves down to the connection point between the sealing tube 6 and the terminal 7, stop rotating the adjusting dial 10, and then make the two arc clamping plates 15 approach each other through the sliding of the movable connection block 14 on the fixed connection block 13, and finally screw the fastening bolt 18 into the connecting support plate 17. The setting of the sealing strip 16 can improve the sealing between the sealing tube 6 and the terminal 7, so it is not easy to reduce its insulation ability and cause moisture to invade the cable accessories, etc., thereby increasing its service life, ensuring its normal operation, and avoiding power accidents.

[0027] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A silicone rubber cold shrink cable accessory, comprising a three-finger sleeve (1), characterized in that: The bottom end of the three-finger sleeve (1) is provided with a cable outer sheath (2), the top end of the three-finger sleeve (1) is provided with an insulating tube (3), the end of the insulating tube (3) away from the three-finger sleeve (1) is provided with a terminal body (4), the outer side of the terminal body (4) is arranged at equal intervals and fixedly connected with a plurality of sheds (5), the end of the terminal body (4) away from the three-finger sleeve (1) is provided with a sealing tube (6), the end of the sealing tube (6) away from the terminal body (4) is provided with a wiring terminal (7), the two side walls of the wiring terminal (7) are symmetrically and fixedly connected with fixed support plates (8), and the fixed support plates (8) are provided with a sealing component.

2. A silicone rubber cold shrink cable accessory according to claim 1, characterized in that: The sealing assembly comprises an adjusting screw (9), the adjusting screw (9) passing through the fixed support plate (8) and being threadedly connected to the fixed support plate (8), the top end of the adjusting screw (9) being fixedly connected to an adjusting dial (10), and the bottom end of the adjusting screw (9) being provided with a rotating joint (11).

3. A silicone rubber cold shrink cable accessory according to claim 2, characterized in that: A movable support block (12) is provided at the bottom of the rotary joint (11); a fixed connection block (13) is fixedly connected to a side wall of the movable support block (12) close to the wiring terminal (7); a movable connection block (14) is provided on one side of the fixed connection block (13); and the movable connection block (14) is movably sleeved on the outer surface of the fixed connection block (13).

4. The silicone rubber cold shrink cable accessory according to claim 3, characterized in that: An arc-shaped clamping plate (15) is fixedly connected to a side wall of the movable connecting block (14) away from the fixed connecting block (13), and a sealing strip (16) is fixedly connected to a side wall of the arc-shaped clamping plate (15) close to the connecting terminal (7).

5. The silicone rubber cold shrink cable accessory according to claim 4, characterized in that: The ends of the arc-shaped clamping plate (15) are symmetrically and fixedly connected to a connecting support plate (17), and a fastening bolt (18) passes through and is threadedly connected to the connecting support plate (17).

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