Fireproof cable

By using threaded sleeves and fastening bolts for connection and layered design, the complex problem of fireproof cable connection is solved, enabling rapid connection and multi-layered protection, thus improving the practicality of the device.

CN223784924UActive Publication Date: 2026-01-09GUANGDONG HEXIN POWER TECH CO LTD
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Patent Information

Application Number
CN202520244716.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-09
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

The existing fire-resistant cable connection process is complicated, resulting in low connection efficiency and reducing the practicality of the device.

Method used

It adopts a threaded sleeve and fastening bolt connection mechanism, combined with a sleeve mechanism, including waterproof, anti-corrosion and insulating sleeves, to achieve quick connection and multi-layer protection.

Benefits of technology

It enables rapid connection and multi-layer protection of fire-resistant cables, improving connection efficiency and the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cables, and discloses a fireproof cable, which comprises cable sleeves, threaded sleeves are sleeved at the ends of the two cable sleeves, a connecting mechanism is arranged outside the threaded sleeves, the connecting mechanism is used for connecting and fastening the two cable sleeves, sleeve layer mechanisms are arranged in the two cable sleeves, and the sleeve layer mechanisms are arranged in the two cable sleeves. And the sheathing mechanism is used for protecting the cable. The connecting mechanism comprises a fastening bolt, the fastening bolt is in threaded connection with the exterior of the threaded sleeve, the exterior of the threaded sleeve is in threaded connection with a threaded sleeve, and the exterior of the threaded sleeve is fixedly connected with a fastening ring. A rubber pad is arranged between the threaded sleeve and the fastening ring and fixedly connected to the outer portion of the threaded sleeve. According to the utility model, the two cable sleeves are respectively sleeved into the two ends of the threaded sleeve, and the threaded sleeve is tightened until the threaded sleeve is attached to the rubber pad, so that the effect of quickly connecting the two cable sleeves through the connecting mechanism is realized, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a fireproof cable. BACKGROUND

[0002] Fireproof cable is a kind of cable specially designed to provide additional safety in case of fire, usually used in important facilities that need to maintain power supply, such as fire fighting system, emergency lighting, emergency elevator, etc. These cables have high temperature resistance, fire resistance, flame retardant and other characteristics, can maintain their electrical performance for a long time in case of fire, ensure the normal operation of important systems, so as to protect the safety of personnel and property.

[0003] In general, fireproof cable is a key component to ensure the safety of buildings and facilities, which can effectively reduce the safety risk caused by power system failure in case of fire.

[0004] In the prior art, the connection of fireproof cable is mostly through terminal connection or welding, the connection process is relatively complex, which reduces the efficiency of cable connection and the practicability of the device. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a kind of fireproof cable, to improve the low efficiency of cable connection and the low practicability of device caused by the connection of fireproof cable mostly through terminal connection or welding in prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of fireproof cable, including two cable sleeves, the end of two cable sleeves is provided with threaded sleeve, the outside of threaded sleeve is provided with connecting mechanism, the connecting mechanism is used to connect and fasten two cable sleeves, the inside of two cable sleeves is provided with sleeve layer mechanism, and the sleeve layer mechanism is used to protect cable.

[0007] As a further description of the above technical scheme:

[0008] The inside of cable sleeve is provided with a plurality of cable lines.

[0009] As a further description of the above technical scheme:

[0010] The connecting mechanism includes fastening bolt, the fastening bolt is threadedly connected to the outside of threaded sleeve, the outside of threaded sleeve is threadedly connected with screw sleeve, and the outside of threaded sleeve is fixedly connected with fastening ring.

[0011] As a further description of the above technical scheme:

[0012] The fastening ring is arranged between the fastening bolt and the screw sleeve.

[0013] As a further description of the above technical solutions:

[0014] A rubber pad is arranged between the screw sleeve and the fastening ring, and the rubber pad is fixedly connected to the outside of the threaded sleeve.

[0015] As a further description of the above technical solutions:

[0016] The sleeve layer mechanism comprises a waterproof sleeve layer fixedly connected to the inside of the cable sleeve.

[0017] As a further description of the above technical solutions:

[0018] The inside of the waterproof sleeve layer is fixedly connected with a corrosion-proof sleeve layer.

[0019] As a further description of the above technical solutions:

[0020] The inside of the corrosion-proof sleeve layer is fixedly connected with an insulating sleeve layer.

[0021] The utility model has the advantages of:

[0022] 1、The utility model discloses a connecting mechanism for a fireproof cable, which comprises a threaded sleeve, a fastening ring, a screw sleeve and a rubber pad.

[0023] 2、The utility model discloses a sleeve layer mechanism for a fireproof cable, which comprises a cable sleeve, an insulating sleeve layer, a corrosion-proof sleeve layer and a waterproof sleeve layer. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of the fireproof cable is provided.

[0025] Figure 2 A connecting mechanism schematic view of the fireproof cable is provided.

[0026] Figure 3 A sleeve layer mechanism schematic view of the fireproof cable is provided.

[0027] LEGEND:

[0028] 1, cable cover; 2, threaded sleeve; 3, fastening bolt; 4, screw sleeve; 5, fastening ring; 6, rubber pad; 7, cable; 8, insulation sleeve; 9, anticorrosion sleeve; 10, waterproof sleeve. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Referring to Figure 1 , Figure 2 An embodiment provided by the utility model: a fireproof cable, comprising two cable covers 1, the cable cover 1 plays the role of fixing the internal structure, the end cover of two cable covers 1 is provided with a threaded sleeve 2, the threaded sleeve 2 plays the role of connecting the cable cover 1, the outside of the threaded sleeve 2 is provided with a connecting mechanism, the connecting mechanism is used for connecting and fastening two cable covers 1, the inside of two cable covers 1 is provided with a sleeve mechanism, and the sleeve mechanism is used for protecting the cable. The inside of the cable cover 1 is provided with a plurality of cable lines 7. The connecting mechanism comprises a fastening bolt 3, the fastening bolt 3 plays the role of connecting the threaded sleeve 2, the fastening bolt 3 is screw-connected on the outside of the threaded sleeve 2, the outside of the threaded sleeve 2 is screw-connected with a screw sleeve 4, the screw sleeve 4 plays the role of connecting the threaded sleeve 2, the outside of the threaded sleeve 2 is fixedly connected with a fastening ring 5, and the fastening ring 5 plays the role of fixing the threaded sleeve 2. The fastening ring 5 is arranged between the fastening bolt 3 and the screw sleeve 4, a rubber pad 6 is arranged between the screw sleeve 4 and the fastening ring 5, the rubber pad 6 plays the role of buffering, and the rubber pad 6 is fixedly connected on the outside of the threaded sleeve 2.

[0031] Referring to Figure 1 , Figure 3 The sleeve mechanism comprises a waterproof sleeve 10, the waterproof sleeve 10 plays the role of waterproof, and the waterproof sleeve 10 is fixedly connected in the inside of the cable cover 1. The inside of the waterproof sleeve 10 is fixedly connected with an anticorrosion sleeve 9, the anticorrosion sleeve 9 plays the role of anticorrosion, the inside of the anticorrosion sleeve 9 is fixedly connected with an insulation sleeve 8, and the insulation sleeve 8 plays the role of insulation.

[0032] Working principle: when connecting the cable, two cable covers 1 are respectively sleeved into the two ends of the threaded sleeve 2, the screw sleeve 4 is sleeved on the outside of the threaded sleeve 2 after the fastening bolt 3 is tightened, the screw sleeve 4 is tightened until it is attached with the rubber pad 6.

[0033] The cable 7 is installed in the cable sleeve 1 first, then an insulating sleeve 8 is sleeved outside the cable 7, then a corrosion-proof sleeve 9 is sleeved outside the insulating sleeve 8, and finally a waterproof sleeve 10 is sleeved outside the corrosion-proof sleeve 9.

[0034] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A fireproof cable comprising two cable jackets (1), characterized in that: The end of the two cable sleeves (1) is provided with a threaded sleeve (2), the outside of the threaded sleeve (2) is provided with a connecting mechanism for connecting and fastening the two cable sleeves (1), the inside of the two cable sleeves (1) is provided with a sleeve layer mechanism for protecting the cable.

2. A fire resistant cable according to claim 1, characterised in that: The inside of the cable sleeve (1) is provided with a plurality of cable lines (7).

3. A fire resistant cable according to claim 1, characterised in that: The connecting mechanism comprises a fastening bolt (3) which is threadedly connected to the outside of the threaded sleeve (2), the outside of the threaded sleeve (2) is threadedly connected with a threaded sleeve (4), and the outside of the threaded sleeve (2) is fixedly connected with a fastening ring (5).

4. A fire resistant cable according to claim 3, characterised in that: The fastening ring (5) is arranged between the fastening bolt (3) and the threaded sleeve (4).

5. A fire resistant cable according to claim 3, characterised in that: A rubber pad (6) is arranged between the threaded sleeve (4) and the fastening ring (5), and the rubber pad (6) is fixedly connected to the outside of the threaded sleeve (2).

6. A fire resistant cable according to claim 1, characterised in that: The sleeve layer mechanism comprises a waterproof sleeve layer (10) which is fixedly connected to the inside of the cable sleeve (1).

7. A fire resistant cable according to claim 6, characterised in that: The inside of the waterproof sleeve layer (10) is fixedly connected with a corrosion-proof sleeve layer (9).

8. A fire resistant cable according to claim 7, characterised in that: The inside of the corrosion-proof sleeve layer (9) is fixedly connected with an insulating sleeve layer (8).