Waterproof anti-interference shielding device of automobile signal transmission cable

By attaching an anti-interference shielding flexible tube to the automotive signal transmission cable, and utilizing a combination of a copper mesh braided layer and a waterproof shell, the shortcomings of signal transmission cables in terms of waterproofing and electromagnetic interference prevention are solved, thereby improving stability and waterproof performance.

CN223857915UActive Publication Date: 2026-01-30DONGGUAN QINCHUANG CABLE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520239740.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-15
Publication Date
2026-01-30
Estimated Expiration
2035-02-15

AI Technical Summary

Technical Problem

Existing automotive signal transmission cables are inadequate in terms of waterproofing and electromagnetic interference protection, especially when driving through water or washing the car. Moisture intrusion can affect the electromagnetic shielding effect, leading to short circuits and other malfunctions.

Method used

A device including an anti-interference shielding flexible tube was designed. The flexible tube consists of a copper mesh braided layer and a waterproof shell. The fixing ring is connected to the support rod and fixed by a locking screw and a rotating disc to enhance stability and waterproof performance.

Benefits of technology

It effectively shields electromagnetic interference, improves the stability and accuracy of signal transmission, prevents moisture erosion, extends service life, and enhances impact resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile parts, in particular to a waterproof anti-interference shielding device of an automobile signal transmission cable, which comprises an anti-interference shielding hose sleeved on the surface of the automobile signal transmission cable, and a plurality of groups of fixing rings which are uniformly arranged at equal intervals are mounted on the anti-interference shielding hose. According to the utility model, the anti-interference shielding hose is sleeved on the surface of the automobile signal transmission cable, and the copper mesh braid layer effectively shields external electromagnetic interference, so that the stability of signal transmission is ensured; the arrangement of the waterproof shell enables the whole device to have good waterproof performance, and the cable is protected from being eroded by water; the fixing rings are evenly arranged at equal intervals and connected with the supporting rods and the connecting bases, the stability of the device is enhanced, and connection and fixation with other components are facilitated; the locking screw is in threaded connection with the outer wall of the fixing ring and is in close contact with the outer wall of the anti-interference shielding hose, and locking and fixing can be easily achieved through operation of the rotating disc.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, specifically is waterproof anti -interference shielding device of automobile signal transmission cable. BACKGROUND

[0002] With the rapid development of automobile industry and the continuous progress of automobile electronic technology, automobile signal transmission cable plays a vital role in the automobile system. They are responsible for transmitting various control signals and data information, ensuring the normal communication and cooperative work between various systems of the automobile. The number of electronic devices in the vehicle is increasing, such as car navigation system, multimedia entertainment system, various sensors and automatic driving related modules. These electronic devices interact with each other through signal transmission cable. However, in the relatively small and complex electromagnetic environment of the automobile, signal transmission cable is easily affected by electromagnetic interference. The existing anti-interference technology of automobile signal transmission cable mostly focuses on electromagnetic shielding, ignoring the waterproof performance. In the actual use environment of the automobile, the vehicle may be involved in driving, washing and other situations. Once the water enters the cable, it will change the electromagnetic characteristics of the cable, and may cause short circuit and other faults, thereby affecting the electromagnetic shielding effect SUMMARY

[0003] The utility model aims at providing waterproof anti-interference shielding device of automobile signal transmission cable to solve the problem of not combining the anti-interference and waterproof performance of automobile signal transmission cable in the above background technology.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] The waterproof anti-interference shielding device of automobile signal transmission cable comprises an anti-interference shielding hose sleeved on the surface of the automobile signal transmission cable, both ends of the anti-interference shielding hose are provided with mounting end, and a plurality of groups of fixing rings arranged uniformly and equidistantly are installed on the anti-interference shielding hose.

[0006] The anti-interference shielding hose comprises a copper mesh braid layer and a waterproof shell arranged on the surface of the copper mesh braid layer.

[0007] The outer wall of the fixing ring is connected with a support rod, the top of the support rod is coaxially installed with a connecting seat, the outer wall of the fixing ring is threadedly connected with a locking screw, the locking screw penetrates through the side wall of the fixing ring and is in close contact with the outer wall of the anti-interference shielding hose, and the end of the locking screw away from the anti-interference shielding hose is installed with a rotating disc.

[0008] As a preferred, the copper mesh braid layer is a double-layer braid layer, and the thickness of each layer is 1-2mm.

[0009] Preferably, the waterproof shell is made of wear-resistant and flame-retardant silicone rubber shell with a thickness of 2-4mm.

[0010] Preferably, a flame-retardant inner layer is arranged between the copper mesh braid layer and the surface of the internal automobile signal transmission cable.

[0011] Preferably, the surface of the waterproof shell is provided with a corrosion-resistant paint layer with a thickness of 0.25-0.5mm.

[0012] Preferably, the edge of the mounting end is provided with a plurality of fixing holes arranged in a ring shape at equal intervals.

[0013] Preferably, the fixing ring comprises an anti-collision outer shell body and an anti-skid inner ring arranged on the inner wall.

[0014] Preferably, the surface of the anti-skid inner ring is provided with a plurality of anti-skid protrusions arranged at equal intervals.

[0015] Compared with the prior art, the automobile signal transmission cable waterproof anti-interference shielding device has the following advantages:

[0016] In the automobile signal transmission cable waterproof anti-interference shielding device, the anti-interference shielding hose is sleeved on the surface of the automobile signal transmission cable, the copper mesh braid layer effectively shields external electromagnetic interference, and the stability of signal transmission is ensured; meanwhile, the waterproof shell is arranged to make the whole device have good waterproof performance, and the cable is protected from water erosion. In addition, the fixing rings are arranged at equal intervals and connected with the supporting rods and the connecting seats, which not only enhances the stability of the device, but also facilitates the connection and fixation with other components. The locking screw is threadedly connected to the outer wall of the fixing ring and tightly contacts the outer wall of the anti-interference shielding hose, and through the operation of the rotating disc, the locking and fixation can be easily realized, the close fit between the hose and the cable is ensured, and the waterproof anti-interference effect is further improved.

[0017] In the automobile signal transmission cable waterproof anti-interference shielding device, the copper mesh braid layer is a double-layer braid layer, which enhances the shielding effect of external electromagnetic interference and improves the accuracy and stability of signal transmission; the waterproof shell is made of wear-resistant and flame-retardant silicone rubber shell, which not only improves the waterproof performance of the device, but also enhances the wear resistance and flame retardance, thereby prolonging the service life.

[0018] In the automobile signal transmission cable waterproof anti-interference shielding device, the fixing ring comprises an anti-collision outer shell body and an anti-skid inner ring arranged on the inner wall, and the surface of the anti-skid inner ring is provided with a plurality of anti-skid protrusions arranged at equal intervals, which not only enhances the friction between the fixing ring and the anti-interference shielding hose to prevent the hose from slipping, but also improves the anti-impact capability of the device, thereby ensuring the continuity and stability of signal transmission. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to make further detailed explanation together with embodiments of the present application, but do not constitute limitation to the present application.

[0020] Figure 1 It is a structural schematic view of the present application;

[0021] Figure 2 It is a sectional structure schematic view of the anti-interference shielding hose of the present application;

[0022] Figure 3 It is a sectional structure schematic view of the fixed ring of the present application;

[0023] 10, anti-interference shielding hose; 11, flame-retardant inner layer; 12, copper mesh braid layer; 13, waterproof shell; 14, anticorrosive paint layer;

[0024] 20, mounting end; 21, fixed hole;

[0025] 30, fixed ring; 31, support rod; 32, connecting seat; 33, anti-collision outer shell; 34, anti-skid inner ring; 35, locking screw; 36, rotating disc. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application and the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "vertical", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] The anti-interference shielding device for automobile signal transmission cable, such as Figures 1-3As shown, the anti-interference shielding hose 10 is sleeved on the surface of the automobile signal transmission cable, both ends of the anti-interference shielding hose 10 are provided with mounting heads 20, and a plurality of groups of fixing rings 30 are uniformly and equidistantly arranged on the anti-interference shielding hose 10; the anti-interference shielding hose 10 comprises a copper mesh braid layer 12 and a waterproof shell 13 arranged on the surface of the copper mesh braid layer 12; a support rod 31 is connected to the outer wall of the fixing ring 30, a connecting seat 32 is coaxially arranged on the top of the support rod 31, a locking screw 35 is threadedly connected to the outer wall of the fixing ring 30, the locking screw 35 penetrates through the side wall of the fixing ring 30 and is in close contact with the outer wall of the anti-interference shielding hose 10, and a rotating disc 36 is arranged at the end of the locking screw 35 away from the anti-interference shielding hose 10; the anti-interference shielding hose 10 is sleeved on the surface of the automobile signal transmission cable, the copper mesh braid layer 12 effectively shields external electromagnetic interference, and the stability of signal transmission is ensured; meanwhile, the waterproof shell 13 is arranged to make the whole device have good waterproof performance and protect the cable from being eroded by water. In addition, the fixing rings 30 are uniformly and equidistantly arranged and connected with the support rods 31 and the connecting seats 32, which not only enhances the stability of the device but also facilitates the connection and fixation with other components. The locking screw 35 is threadedly connected to the outer wall of the fixing ring 30 and is in close contact with the outer wall of the anti-interference shielding hose 10, and through the operation of the rotating disc 36, the locking and fixation can be easily realized, the close fit between the hose and the cable is ensured, and the waterproof and anti-interference effect is further improved.

[0029] Further, the copper mesh braid layer 12 is a double-layer braid layer, and the thickness of each layer is 1-2 mm, which enhances the shielding effect of external electromagnetic interference and improves the accuracy and stability of signal transmission; the waterproof shell 13 is made of wear-resistant and flame-retardant silicone rubber shell and has a thickness of 2-4 mm, which not only improves the waterproof performance of the device but also enhances the wear resistance and flame resistance, thereby prolonging the service life.

[0030] The copper mesh braid layer 12 and the internal automobile signal transmission cable surface are provided with a flame-retardant inner layer 11, which effectively blocks the heat generated by the cable and prevents the occurrence of fire accidents, thereby further improving the safety of the device.

[0031] It is worth noting that the surface of the waterproof shell 13 is provided with a corrosion-resistant paint layer 14 with a thickness of 0.25-0.5 mm, which effectively prevents the shell from being corroded and maintains the appearance and performance stability of the device.

[0032] Specifically, a plurality of fixing holes 21 are arranged on the edge of the mounting head 20 in a ring shape, which improves the stability and sealing performance of both ends.

[0033] In addition, the fixed ring 30 comprises an anti-collision outer shell 33 and an anti-skid inner ring 34 arranged on the inner wall, the surface of the anti-skid inner ring 34 is provided with a plurality of evenly and equidistantly arranged anti-skid protrusions, which not only enhances the friction between the fixed ring and the anti-interference shielding soft tube 10, prevents the soft tube from sliding, but also improves the anti-impact capacity of the device, thereby ensuring the continuity and stability of signal transmission.

[0034] The working principle of the waterproof anti-interference shielding device of the automobile signal transmission cable is as follows:

[0035] Firstly, the anti-interference shielding soft tube 10 is sleeved on the surface of the automobile signal transmission cable, and the copper mesh braid layer 12 is tightly attached to the cable to effectively shield external electromagnetic interference; at this time, the flame-retardant inner layer 11 is located between the copper mesh braid layer 12 and the cable, and plays a role of blocking heat and preventing fire;

[0036] Then, the anti-interference shielding soft tube 10 is fixed in place by the fixed ring 30; the anti-collision outer shell 33 and the anti-skid inner ring 34 of the fixed ring 30 are designed to enhance the fixing effect and prevent the soft tube from sliding; at the same time, the anti-skid protrusions on the surface of the anti-skid inner ring 34 will increase the friction between the soft tube and the anti-skid inner ring 34, thereby further improving the stability;

[0037] Then, the two ends of the device are fixed on the automobile through the installation end 20; the fixing hole 21 at the edge of the installation end 20 is designed to make the installation process more convenient, and to ensure that the device is firmly installed in the specified position;

[0038] Finally, the locking screw 35 is used to pass through the side wall of the fixed ring 30, tightly contact with the outer wall of the anti-interference shielding soft tube 10, and is locked and fixed through the rotating disc 36.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A waterproof and anti-interference shielding device for an automobile signal transmission cable, characterized by: The application relates to an anti-interference shielding hose (10) sleeved on the surface of a car signal transmission cable, both ends of the anti-interference shielding hose (10) are provided with mounting end heads (20), and a plurality of groups of fixing rings (30) are arranged on the anti-interference shielding hose (10) in uniform equidistant arrangement. The anti-interference shielding hose (10) comprises a copper mesh braid layer (12) and a waterproof shell (13) arranged on the surface of the copper mesh braid layer (12). A supporting rod (31) is connected to the outer wall of the fixing ring (30), a connecting seat (32) is coaxially arranged on the top of the supporting rod (31), a locking screw (35) is threadedly connected to the outer wall of the fixing ring (30), the locking screw (35) penetrates through the side wall of the fixing ring (30) and is in close contact with the outer wall of the anti-interference shielding hose (10), and a rotating disc (36) is arranged on the end of the locking screw (35) away from the anti-interference shielding hose (10).

2. The waterproof and tamperproof shielding device for an automotive signal transmission cable according to claim 1, characterized in that: The copper mesh braid layer (12) is a double-layer braid layer, and the thickness of each layer is 1-2 mm.

3. The waterproof and tamperproof shielding device for an automotive signal transmission cable of claim 1, wherein: The waterproof shell (13) is made of wear-resistant and flame-retardant silicon rubber, and the thickness is 2-4 mm.

4. The waterproof and tamperproof shielding device for an automotive signal transmission cable of claim 1, wherein: A flame-retardant inner layer (11) is arranged between the copper mesh braid layer (12) and the surface of the internal car signal transmission cable.

5. The waterproof and tamperproof shielding device for an automotive signal transmission cable of claim 1, wherein: A corrosion-resistant paint layer (14) with a thickness of 0.25-0.5 mm is arranged on the surface of the waterproof shell (13).

6. The waterproof and tamperproof shielding device for an automotive signal transmission cable of claim 1, wherein: A plurality of fixing holes (21) in uniform equidistant annular arrangement are arranged on the edge of the mounting end head (20).

7. The waterproof and tamperproof shielding device for an automotive signal transmission cable of claim 1, wherein: The fixing ring (30) comprises an anti-collision outer shell (33) and an anti-skid inner ring (34) arranged on the inner wall.

8. The waterproof and tamperproof shielding device for an automotive signal transmission cable according to claim 7, characterized in that: A plurality of anti-skid protrusions in uniform equidistant arrangement are arranged on the surface of the anti-skid inner ring (34).