High-flame-retardant sheath power cable
By designing a threaded connection structure for a high flame-retardant cable protective sleeve and related components, the problems of imperfect clamping and inconvenient disassembly of the cable flame-retardant sleeve were solved, enabling convenient installation and disassembly of the cable.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGCHEN CABLE (JIANGXI) CO LTD
- Filing Date
- 2025-05-23
- Publication Date
- 2026-04-28
AI Technical Summary
The existing power cables have inadequate installation and disassembly of flame-retardant sleeves.
The design incorporates components such as a high flame-retardant cable protection sleeve, threaded clamp sleeve, limit nut, tightening knob, mounting plate, protective plate, and mounting flange, enabling convenient installation and disassembly through threaded connections and knob operation.
It enables efficient installation and convenient disassembly of cables, meeting users' needs for convenient cable installation and overall structural installation.
Smart Images

Figure CN224177895U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of power cable technology, specifically relating to a high flame-retardant sheathed power cable. Background Technology
[0002] Power cables are cables used to transmit and distribute electrical energy. They are commonly used in urban underground power grids, power plant lead-out lines, internal power supply for industrial and mining enterprises, and underwater transmission lines across rivers and seas. The proportion of cables in power lines is gradually increasing. Power cables are cable products used to transmit and distribute high-power electrical energy in the main lines of power systems, including power cables of various voltage levels from 1 to 500kV and above, and various types of insulation.
[0003] Currently available power cables on the market do not have a perfect function when users need to clamp the flame-retardant sleeves between the power cables, which affects the use of the power cables and makes it inconvenient for users to disassemble the power cables and flame-retardant sleeves. Utility Model Content
[0004] The purpose of this invention is to provide a high flame-retardant sheathed power cable for existing devices, in order to solve the problems mentioned in the background art.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a high flame-retardant sheathed power cable, including a high flame-retardant cable protective sleeve, a threaded clamping sleeve is limitedly sleeved on the outer ring surface of the high flame-retardant cable protective sleeve, a limiting nut is limitedly sleeved on the outer ring surface of the threaded clamping sleeve, and an installation plate is limitedly sleeved on the outer ring surface of the threaded clamping sleeve.
[0006] The outer ring surface of the mounting plate is fitted with a protective plate, the inside of the protective plate is fixedly connected with a fixing block, the side surface of the fixing block is fixedly snapped with a nut, the side surface of the protective plate is fixedly connected with a protective frame, and the inner ring surface of the high flame retardant cable protective sleeve is installed with a cable body.
[0007] The present invention further illustrates that a mounting flange is fixedly connected to the side surface of the protective frame, and the mounting flange is connected between the protective frame and the protective plate.
[0008] The present invention further describes that the side surface of the mounting flange is provided with a mounting opening, and the mounting opening is opened around the mounting flange as the center point.
[0009] This utility model further illustrates that a tightening knob is fixedly connected to the outer ring surface of the limiting nut, and the tightening knob is connected between the limiting nut and the threaded clamping sleeve.
[0010] This utility model further illustrates that the inner ring surface of the nut is fitted with a threaded rod, and the threaded rod is connected between the nut and the fixing block.
[0011] The present invention further illustrates that the inner ring surface of the threaded clamping sleeve is provided with a clamping opening, and the size of the clamping opening and the high flame-retardant cable protection sleeve are matched.
[0012] This utility model further illustrates that the nut is connected between a fixing block and a protective plate, and the fixing block is symmetrically arranged with the vertical center line of the nut as the axis of symmetry.
[0013] The present invention further illustrates that the inner surface of the protective plate is provided with an insertion opening, and the insertion opening and the mounting plate are structurally compatible.
[0014] Compared with the prior art, the beneficial effects achieved by this utility model are:
[0015] This utility model provides a high flame-retardant sheathed power cable. Through the mutual cooperation and use of the high flame-retardant cable protective sleeve, tightening knob, protective plate, mounting plate, mounting flange, mounting opening, protective frame, threaded clamp sleeve, threaded rod, limit nut, fixing block, nut, insertion opening, clamping opening and cable body, it is convenient for users to install and disassemble the cable efficiently. When the user needs to use it, after inserting the high flame-retardant cable protective sleeve into the threaded clamp sleeve, the user needs to turn the tightening knob to install and connect the high flame-retardant cable protective sleeve and the threaded clamp sleeve. After the user turns the threaded rod and removes it from the nut, the user can disassemble the mounting plate and the protective plate, which meets the user's need for convenient disassembly.
[0016] This utility model provides a high flame-retardant sheathed power cable, and through the provided installation flange, the user can install the power cable structure. After the user inserts the bolts into the installation opening on the installation flange, the user can install the installation flange and the high flame-retardant cable protective sheath as a whole, which meets the user's need for whole-system installation. Attached Figure Description
[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2This is a top view of the structure of this utility model;
[0020] Figure 3 This is a top sectional view of the structure of this utility model;
[0021] Figure 4 This is the utility model Figure 3 Enlarged view of the structure at point A in the middle;
[0022] Figure 5 This is a side view of the structure of this utility model.
[0023] In the diagram: 1. High flame-retardant cable protective sleeve; 2. Tightening knob; 3. Protective plate; 4. Mounting plate; 5. Mounting flange; 6. Mounting opening; 7. Protective frame; 8. Threaded clamping sleeve; 9. Threaded rod; 10. Limiting nut; 11. Fixing block; 12. Nut; 13. Insertion opening; 14. Clamping opening; 15. Cable body. Detailed Implementation
[0024] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0025] Please see Figure 1-5 The present invention provides a technical solution: a high flame-retardant sheathed power cable, including a high flame-retardant cable protective sleeve 1, a threaded clamping sleeve 8 that is limited to the outer ring surface of the high flame-retardant cable protective sleeve 1, and a limiting nut 10 that is limited to the outer ring surface of the threaded clamping sleeve 8.
[0026] In this embodiment, a mounting flange 5 is fixedly connected to the side surface of the protective frame 7, and the mounting flange 5 is connected between the protective frame 7 and the protective plate 3. An installation opening 6 is provided on the side surface of the mounting flange 5, and the installation opening 6 is opened around the mounting flange 5 as the center point.
[0027] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, the outer ring surface of the threaded clamping sleeve 8 is fitted with a mounting plate 4, the outer ring surface of the mounting plate 4 is fitted with a protective plate 3, and the interior of the protective plate 3 is fixedly connected with a fixing block 11.
[0028] In this embodiment, a tightening knob 2 is fixedly connected to the outer ring surface of the limiting nut 10, and the tightening knob 2 is connected between the limiting nut 10 and the threaded clamping sleeve 8. A threaded rod 9 is inserted into the inner ring surface of the nut 12, and the threaded rod 9 is connected between the nut 12 and the fixing block 11.
[0029] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, a nut 12 is limited and snapped onto the side surface of the fixing block 11, a protective frame 7 is fixedly connected to the side surface of the protective plate 3, and a cable body 15 is installed on the inner ring surface of the high flame retardant cable protective sleeve 1.
[0030] In this embodiment, the inner ring surface of the threaded clamping sleeve 8 is provided with a clamping opening 14, and the size of the clamping opening 14 and the high flame-retardant cable protection sleeve 1 are matched. The nut 12 is connected to the protective plate 3 through the fixing block 11, and the fixing block 11 is symmetrically arranged with the vertical center line of the nut 12 as the axis of symmetry. The inner ring surface of the protective plate 3 is provided with a plug-in opening 13, and the structure of the plug-in opening 13 and the mounting plate 4 are mutually fitted.
[0031] like Figure 1-5 As shown, when the user needs to use it, after inserting the high flame-retardant cable protection sleeve 1 between the threaded clamp sleeve 8, the user needs to turn the tightening knob 2 to connect the high flame-retardant cable protection sleeve 1 and the threaded clamp sleeve 8. After the user turns the threaded rod 9 and removes it from the nut 12, the user can disassemble the mounting plate 4 and the protective plate 3. After the user inserts the bolt into the mounting opening 6, the user can install the structure between the power cables. After the user inserts the bolt into the mounting opening 6 on the mounting flange 5, the user can install the mounting flange 5 and the high flame-retardant cable protection sleeve 1 as a whole.
[0032] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A high flame-retardant sheathed power cable, comprising a high flame-retardant cable protective sheath (1), characterized in that: The outer ring surface of the high flame retardant cable protection sleeve (1) is fitted with a threaded clamping sleeve (8), the outer ring surface of the threaded clamping sleeve (8) is fitted with a limiting nut (10), and the outer ring surface of the threaded clamping sleeve (8) is fitted with a mounting plate (4). The outer ring surface of the mounting plate (4) is fitted with a protective plate (3), the inside of the protective plate (3) is fixedly connected with a fixing block (11), the side surface of the fixing block (11) is fitted with a nut (12), the side surface of the protective plate (3) is fixedly connected with a protective frame (7), and the inner ring surface of the high flame retardant cable protection sleeve (1) is installed with a cable body (15).
2. The high flame-retardant sheathed power cable according to claim 1, characterized in that: The side surface of the protective frame (7) is fixedly connected to a mounting flange (5), and the mounting flange (5) is connected between the protective frame (7) and the protective plate (3).
3. The high flame-retardant sheathed power cable according to claim 2, characterized in that: The mounting flange (5) has a mounting opening (6) on its side surface, and the mounting opening (6) is opened around the mounting flange (5) as the center point.
4. The high flame-retardant sheathed power cable according to claim 1, characterized in that: The outer ring surface of the limiting nut (10) is fixedly connected to a tightening knob (2), and the tightening knob (2) is connected between the limiting nut (10) and the threaded clamping sleeve (8).
5. A high flame-retardant sheathed power cable according to claim 1, characterized in that: The inner ring surface of the nut (12) is fitted with a threaded rod (9), and the threaded rod (9) is connected between the nut (12) and the fixing block (11).
6. The high flame-retardant sheathed power cable according to claim 1, characterized in that: The inner ring surface of the threaded clamping sleeve (8) is provided with a clamping opening (14), and the size of the clamping opening (14) and the high flame retardant cable protection sleeve (1) are matched.
7. A high flame-retardant sheathed power cable according to claim 1, characterized in that: The nut (12) is connected to the fixing block (11) and the protective plate (3), and the fixing block (11) is symmetrically arranged with the vertical center line of the nut (12) as the axis of symmetry.
8. A high flame-retardant sheathed power cable according to claim 1, characterized in that: The inner surface of the protective plate (3) is provided with a plug-in opening (13), and the plug-in opening (13) and the mounting plate (4) are structurally compatible.