Low-noise cable

Abstract

The utility model relates to the field of cables, and discloses a low-noise cable, which comprises two outer sheaths, two filling layers, a plurality of insulating layers and a connecting mechanism, sound insulation layers are arranged at the inner ends of the two outer sheaths, support rings are arranged at the inner ends of the two sound insulation layers, conductors are arranged at the inner ends of the plurality of insulating layers, and the connecting mechanism is arranged between the two outer sheaths. The outer end of one of the two outer sheaths is fixedly sleeved with an outer threaded ring, the connecting mechanism comprises a movable ring and a limiting ring, a partition plate is fixedly arranged at the position, close to the middle, of the inner end of the movable ring, and a spring is fixedly arranged at the rear end of the partition plate. According to the utility model, the connecting mechanism can firmly connect two cables, through a screwing connection mode of the movable ring and the external thread ring, the connection firmness is ensured, and the risk of poor contact is reduced, so that the transmission stability of the cable is improved, and the outer sheath of the cable is made of a low-smoke halogen-free material, so that the service life of the cable is prolonged. The safety risk in fire can be effectively reduced, and the safety of personnel and equipment is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cable field especially relates to a low noise cable. BACKGROUND

[0002] Cable is a kind of conductor for transmitting power or signal, it is usually by a group of conductor and insulating material, ensure the effective propagation of current or information, prevent external interference simultaneously.Cable is widely used in various fields, such as power transmission, communication, audio and video signal transmission etc.Low noise cable can effectively reduce the interference and distortion of signal in transmission process, improve the definition and stability of signal.This is especially important for audio, video and data transmission.

[0003] But when connecting two cables, generally adopt the method that the conductor of two cables is twisted together, this method is prone to poor contact due to loosening and corrosion, and further cause signal quality to drop.At the same time, the conductor of two cables is welded together by welding, welding needs professional skill, and poor welding can lead to poor contact, and once the welding place is damaged, it is also more difficult to repair.

[0004] Therefore, the person skilled in the art provides a low noise cable to solve the problems raised in the background. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a low noise cable, the movable ring and the outer thread ring are connected by screwing, so that the two cables can be firmly connected.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A low noise cable, including two outer sheaths, two filling layers, multiple insulation layers and connecting mechanisms, the inner end of two outer sheaths is provided with a sound insulation layer, the inner end of two sound insulation layers is provided with a support ring, the inner end of multiple insulation layers is provided with a conductor, and one outer end of two outer sheaths is fixedly provided with an outer thread ring.

[0008] The connecting mechanism includes a movable ring and a limiting ring, the inner end of the movable ring is fixedly provided with a partition plate at the middle position, and the rear end of the partition plate is fixedly provided with a spring.

[0009] Further, multiple insulation layers are arranged at the inner end of the support ring, and two filling layers are arranged at the inner end of multiple insulation layers.

[0010] Further, the limiting ring is rotatably arranged at the other outer end of the two outer sheaths, and the inner end of the movable ring is provided with an inner thread on the side away from the spring.

[0011] Further, the outer thread ring is in threaded connection with the movable ring, and the plurality of conductors are in contact with each other.

[0012] Further, the two outer sheaths are made of low-smoke halogen-free materials, and the two soundproof layers are made of polyethylene foams.

[0013] Further, the two support rings are made of polycarbonates, and the plurality of insulation layers are made of polyvinyl chlorides.

[0014] Further, the two filling layers are made of polyethylene fillers.

[0015] The utility model has the advantages of the following:

[0016] 1. The low-noise cable has the following advantages: the outer sheath is made of low-smoke halogen-free material, which generates little smoke and releases no toxic gas in case of fire, effectively reducing the safety risk in case of fire, protecting personnel and equipment safety, and improving the safety of the use environment; the soundproof layer at the inner end of the outer sheath is made of polyethylene foam, which has good soundproof performance, effectively reducing the interference of external noise on the internal signals of the cable, ensuring the clarity and stability of the signals; the support ring at the inner end of the soundproof layer is made of polycarbonate, which has high strength and good toughness, providing excellent support capacity and maintaining the stability of the cable structure, preventing the cable from being damaged during transportation and installation; the insulation layer is made of polyvinyl chloride, which has good electrical insulation performance and chemical stability as an insulating material, effectively preventing current leakage and ensuring the safe use of the cable; and the filling layer at the innermost end of the cable is made of polyethylene filler, which has excellent flexibility and compressive strength, effectively filling the inside of the cable and maintaining the shape of the cable to prevent deformation and damage.

[0017] 2. The low-noise cable has the following advantages: when connecting two cables, the movable ring at the outer end of the outer sheath is pulled backward first, then the outer sheath with the outer thread ring is aligned with the outer sheath with the movable ring, and then the movable ring and the thread ring are connected through threaded tightening according to the thread length of the outer thread ring, thereby firmly connecting the two cables; the screwing connection of the movable ring and the outer thread ring ensures the firmness of the connection and reduces the risk of poor contact, thereby improving the transmission stability of the cable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole axonometric schematic view of the utility model;

[0019] Figure 2 It is an axonometric schematic view of the utility model after disassembly;

[0020] Figure 3 Figure is the axial view of the outer sheath, support ring and filling layer of the utility model;

[0021] Figure 4 Figure is the cross section view of the inner part of the outer sheath of the utility model;

[0022] Figure 5 Figure is the overall cross section view of the utility model;

[0023] Figure 6 Figure is the axial view of the movable ring and limiting ring of the utility model;

[0024] Figure 7 Figure is the axial view of the movable ring and spring of the utility model.

[0025] Legend:

[0026] 1, outer sheath; 2, sound insulation layer; 3, support ring; 4, filling layer; 5, insulation layer; 6, conductor; 7, connecting mechanism; 8, outer thread ring; 701, movable ring; 702, partition; 703, spring; 704, limiting ring. DETAILED DESCRIPTION

[0027] 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 protection scope of the utility model.

[0028] With reference to Figures 1-4 , the utility model provides an embodiment:

[0029] A kind of low noise cable, including two outer sheaths 1, two filling layers 4, multiple insulation layers 5 and connecting mechanism 7, two outer sheaths 1 inner end are all provided with sound insulation layer 2, two sound insulation layers 2 inner end are provided with support ring 3, multiple insulation layers 5 inner end are provided with conductor 6, one outer end of two outer sheaths 1 is fixedly provided with outer thread ring 8, multiple insulation layers 5 are set respectively in support ring 3 inner end, two filling layers 4 are all set in multiple insulation layers 5 inner end, two outer sheaths 1 are all made of low smoke halogen-free material, two sound insulation layers 2 are all made of polyethylene foam, two support rings 3 are all made of polycarbonate, multiple insulation layers 5 are all made of polyvinyl chloride, two filling layers 4 are all made of polyethylene filler.

[0030] Specifically, the outer sheath 1 of the cable is made of low-smoke halogen-free material, which can effectively reduce the safety risk in case of fire, protect the safety of personnel and equipment, and improve the safety of the use environment. The sound insulation layer 2 at the inner end of the outer sheath 1 is made of polyethylene foam, which has good sound insulation performance and can effectively reduce the interference of external noise on the internal signal of the cable, ensuring the clarity and stability of the signal. The support ring 3 at the inner end of the sound insulation layer 2 is made of polycarbonate, which has high strength and good toughness, providing excellent support capability and maintaining the stability of the cable structure, preventing damage to the cable during transportation and installation. The insulation layer 5 is made of polyvinyl chloride, which has good electrical insulation performance and chemical stability, effectively preventing current leakage and ensuring safe use of the cable. The innermost filling layer 4 is made of polyethylene filler, which has excellent flexibility and compression strength, effectively filling the inside of the cable and maintaining the shape of the cable to prevent deformation and damage.

[0031] Referring to Figures 5-7 , the connecting mechanism 7 includes a movable ring 701 and a limiting ring 704. The movable ring 701 has a baffle 702 fixedly arranged at the inner end near the middle position, and a spring 703 fixedly arranged at the rear end of the baffle 702. The limiting ring 704 is rotatably sleeved on the other outer end of the two outer sheaths 1. The inner end of the movable ring 701 is provided with an internal thread on the side away from the spring 703. An external thread ring 8 is threadedly connected with the movable ring 701. The plurality of conductors 6 are in contact with each other.

[0032] Specifically, when connecting two cables, first pull the movable ring 701 at the outer end of the outer sheath 1 that contains the movable ring 701 backward, then align the outer sheath 1 containing the external thread ring 8 with the outer sheath 1 containing the movable ring 701. Next, according to the thread length of the external thread ring 8, the movable ring 701 and the external thread ring 8 are connected by screwing the threads, thereby firmly connecting the two cables. The screwing connection of the movable ring 701 and the external thread ring 8 ensures the firmness of the connection and reduces the risk of poor contact, thereby improving the transmission stability of the cable.

[0033] Working principle: the outer sheath 1 of the novel cable is made of low-smoke halogen-free material, which can effectively reduce the safety risk in fire, and the sound insulation layer 2 at the inner end of the outer sheath 1 is made of polyethylene foam, which has good sound insulation performance and can effectively reduce the interference of external noise on the internal signal of the cable, the support ring 3 at the inner end of the sound insulation layer 2 is made of polycarbonate, which has high strength and good toughness, can provide excellent support ability and maintain the stability of the cable structure, the insulating layer 5 is made of polyvinyl chloride, which has good electrical insulation performance and chemical stability, can effectively prevent current leakage, and the filling layer 4 at the innermost end of the novel cable is made of polyethylene filler, which has excellent flexibility and compression strength, can maintain the shape of the cable;

[0034] Secondly, when connecting two cables, first pull the movable ring 701 at the outer end of the outer sheath 1 with the movable ring 701, then align the outer sheath 1 with the outer thread ring 8 with the movable ring 701, then according to the thread length of the outer thread ring 8, the movable ring 701 and the outer thread ring 8 are connected by thread, so as to firmly connect two cables.

[0035] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A low-noise cable comprising two outer sheaths (1), two filler layers (4), a plurality of insulation layers (5) and a connection mechanism (7), characterized in that: Both inner ends of the two outer sheaths (1) are provided with sound insulation layers (2), inner ends of the two sound insulation layers (2) are provided with support rings (3), inner ends of the multiple insulation layers (5) are provided with conductors (6), and one of the outer ends of the two outer sheaths (1) is fixedly sleeved with an outer thread ring (8). The connecting mechanism (7) comprises a movable ring (701) and a limiting ring (704), the inner end of the movable ring (701) is fixedly provided with a partition plate (702) at the middle position, and the rear end of the partition plate (702) is fixedly provided with a spring (703).

2. A low noise cable according to claim 1, characterised in that: The multiple insulation layers (5) are arranged at the inner ends of the support rings (3), and the two filling layers (4) are arranged at the inner ends of the multiple insulation layers (5).

3. A low noise cable according to claim 1, characterised in that: The limiting ring (704) is rotatably sleeved at the other outer end of the two outer sheaths (1), and the inner end of the movable ring (701) is provided with an inner thread on the side away from the spring (703).

4. A low noise cable according to claim 1, characterised in that: The outer thread ring (8) is in threaded connection with the movable ring (701), and the multiple conductors (6) are in contact with each other.

5. A low noise cable according to claim 1, characterized in that: Both the two outer sheaths (1) are made of low-smoke halogen-free material, and both the two sound insulation layers (2) are made of polyethylene foam.

6. A low noise cable according to claim 1, characterized in that: Both the two support rings (3) are made of polycarbonate, and the multiple insulation layers (5) are made of polyvinyl chloride.

7. A low noise cable according to claim 1, characterized in that: Both the two filling layers (4) are made of polyethylene filler.

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