Audio and video cable

Abstract

The utility model relates to the technical field of audio and video cables, in particular to an audio and video cable, which comprises an outer protective sleeve, and a flexible protective leather sheath is arranged in the outer protective sleeve. Firstly, an internal sleeving structure is protected through a flexible protection leather sheath arranged in an outer-layer protection sleeve, and in the stretching process, all structures in the outer-layer protection sleeve deform till a plurality of stretching windows formed in the surface of the flexible protection leather sheath; the flexible protection leather sheath is arranged in the outer protection sleeve, so that the flexible protection leather sheath is integrally deformed to be matched with the displacement of the inner wire cores and the protection sleeve, and the situation that the use of the cable is influenced by the exposure of the inner protection sleeve caused by the fact that the outer protection sleeve is burst by the wire cores and the multi-stage protection sleeve structure is avoided; a certain space is supported through the supporting frame to place and protect the wire core, and the damage of cable combustion is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to audio and video cable technical field, concretely relates to an audio and video cable. BACKGROUND

[0002] Audio and video cable are widely used in the connection and signal transmission between DVD, television, sound, digital camera, monitoring and other various audio and video equipment, with the rapid development of current digital information field, audio and video cable play an increasingly important role in security management, engineering emergency and all aspects of people's daily life.

[0003] The anti-interference bending-resistant audio and video cable disclosed in publication No. CN211957193U can reduce the contact probability between the cores, thereby reducing the mutual interference between the cores, maintain the transmission quality of the audio and video cable at a high level, and the framework can also improve the overall strength of the cable and enhance the bending resistance of the cable, but the cable has many protective layers, and if the cable burns, the many and dense protective layers will continue to burn, damaging the whole cable. Therefore, we propose an audio and video cable. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides an audio and video cable.

[0005] The utility model solves the technical problems by adopting the technical scheme of an audio and video cable, which comprises an outer protective sleeve, a flexible protective sheath is arranged in the inner part of the outer protective sleeve, a plurality of stretch windows for assisting heat dissipation and being freely stretchable are formed on the surface of the flexible protective sheath, a PET woven belt is arranged in the inner part of the flexible protective sheath, an inner protective sleeve is arranged in the inner part of the PET woven belt, and a support frame is integrally arranged at the center of the inner part of the inner protective sleeve.

[0006] By adopting the technical scheme, the flexible protective sheath inside the outer protective sleeve is used to protect the internal sleeving structure, in the stretching process, the flexible protective sheath is deformed as a whole to cooperate with the displacement of the internal wire core and the protective sleeve through the deformation of each structure inside the outer protective sleeve until the multiple stretching windows on the surface of the flexible protective sheath, so that the flexible protective sheath is not exposed due to the rupture of the outer protective sleeve caused by the wire core and the multi-stage protective sleeve structure, which affects the use of the cable, the multiple wire cores inside the inner protective sleeve are bound and limited by the PET woven belt, the wire cores are placed and protected by the support frame, the harm of the cable combustion is reduced, in the high temperature environment, the outer protective sleeve first plays a heat insulation role, the stretching window of the flexible protective sheath helps heat dissipation, the PET woven belt and the inner protective sleeve protect the wire cores from high temperature, and the PP flame-retardant filler prevents combustion caused by high temperature; in the humid environment, the waterproof performance of the outer protective sleeve and the flexible protective sheath protects the internal structure, the insulating sheath further ensures the insulation performance of the wire core, the support frame and the through traction belt maintain the stable arrangement of the wire core, and the signal transmission is not affected.

[0007] Specifically, the support frame is provided with a wire core in each compartment, and the wire core is provided with an insulating sheath.

[0008] By adopting the technical scheme, the insulating sheath is used to block each wire core from contacting each other and to perform anti-shielding protection.

[0009] Specifically, the support frame and the insulating sheath are provided with a layer of PP flame-retardant filler for flame retardation.

[0010] By adopting the technical scheme, the PP flame-retardant filler is used to avoid the combustion of the wire core in the case of wrong connection, overload and ignition, and the occurrence of line combustion is avoided as much as possible.

[0011] Specifically, the center of the support frame is provided with a through traction belt penetrating through the entire cable.

[0012] By adopting the technical scheme, the through traction belt is used to support the wire core with the external PET woven belt to avoid the excessive contraction of the wire core due to bending and stretching, so that the spacing between the wire cores is reduced, and the propagation of audio and video signals is affected.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The technical scheme of the present application first protects the internal sleeving structure through the flexible protective sheath arranged in the outer protective sleeve. In the stretching process, the flexible protective sheath is deformed as a whole to cooperate with the displacement of the internal wire core and the protective sleeve, so that the outer protective sleeve is not broken by the wire core and the multi-stage protective sleeve structure, and the internal protective sleeve is not exposed to affect the use of the cable. The plurality of wire cores arranged in the inner layer protective sleeve are bound and limited by the PET woven belt, and the wire cores are placed and protected by the support frame in a certain space, so as to reduce the harm of cable combustion. In a high temperature environment, the outer protective sleeve first plays a heat insulation role, the stretching window of the flexible protective sheath helps heat dissipation, the PET woven belt and the inner layer protective sleeve protect the wire cores from high temperature, and the PP flame-retardant filler prevents combustion caused by high temperature. In a humid environment, the waterproof performance of the outer protective sleeve and the flexible protective sheath protects the internal structure, the insulating sheath further ensures the insulation performance of the wire core, the support frame and the through traction belt maintain the stable arrangement of the wire core, and the signal transmission is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in combination with the drawings and embodiments.

[0016] Fig. 1 is the isometric view of the present application;

[0017] Fig. 2 is the connecting structure schematic view of the flexible protective sleeve of the present application;

[0018] Fig. 3 is the internal connecting structure schematic view of the inner layer protective sleeve of the present application;

[0019] In the figure: 1, outer protective sleeve; 2, flexible protective sheath; 3, stretching window; 4, PET woven belt; 5, inner layer protective sleeve; 6, support frame; 7, wire core; 8, insulating sheath; 9, PP flame-retardant filler; 10, through traction belt. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described below in combination with specific embodiments.

[0021] Please refer to Figs. 1-3The utility model discloses an audio and video cable, including the outer protective sleeve 1, the inside of outer protective sleeve 1 is provided with the flexible protective leather cover 2, the flexible protective leather cover 2 surface is equipped with a plurality of for auxiliary heat dissipation and can be free stretchable stretch window 3, the inside of flexible protective leather cover 2 is provided with PET braid 4, the inside of PET braid 4 is provided with the inner protective sleeve 5, the inner protective sleeve 5 inside the central place is integrated with support frame 6.

[0022] In use, first through the flexible protective leather cover 2 that the outer protective sleeve 1 inside is provided with to the protection of inside the cover set structure, in the process of stretching, through the deformation of each structure in the inside of outer protective sleeve 1 until the flexible protective leather cover 2 surface is equipped with a plurality of stretch window 3, make the flexible protective leather cover 2 whole deformation to cooperate the displacement of inner core 7 and protective sleeve, avoid because the inner core 7 and multistage protective sleeve structure break the outer protective sleeve 1 and lead to the inner protective sleeve exposure influence cable's use, through PET braid 4 to bind the multiple inner core 7 that the inner layer protective sleeve 5 is provided with, through support frame 6 to support a certain space and protect the inner core 7, in high temperature environment, the outer protective sleeve first plays the role of heat insulation, the stretch window of flexible protective leather cover helps heat dissipation, PET braid and inner layer protective sleeve then protect the inner core from high temperature influence, and PP flame-retardant filling prevents the combustion caused by high temperature simultaneously;In humid environment, the waterproof performance of outer protective sleeve and flexible protective leather cover protects internal structure, insulating leather cover further ensures the insulating property of inner core, and support frame and through traction belt maintain the stable arrangement of inner core, guarantee signal transmission is not influenced.

[0023] As shown in the figure, each compartment of the support frame 6 is provided with an inner core 7, and the outer periphery of the inner core 7 is provided with an insulating leather cover 8.

[0024] In use, the insulating leather cover 8 is used to block each inner core 7 from contacting each other and to provide shielding protection.

[0025] As shown in the figure, a layer of PP flame-retardant filling 9 for flame retardation is arranged between the support frame 6 and the insulating leather cover 8.

[0026] In use, the PP flame-retardant filling 9 is used to avoid the combustion of the inner core 7 in the case of wrong connection, overload, and ignition, so as to avoid the burning of the line as much as possible.

[0027] As shown in the figure, the center of the support frame 6 is provided with a through traction belt 10 penetrating through the entire cable.

[0028] In use, the through traction belt 10 is used to support the inner core 7 together with the outer PET braid 4 to avoid the excessive contraction of the inner core 7 due to bending and stretching, so as to reduce the spacing between the inner cores 7 and affect the propagation of audio and video signals.

[0029] The working principle and use process of the utility model are as follows: first, the inside set structure is protected by the flexible protection leather sheath 2 arranged in the outer protective sleeve 1, in the process of stretching, the surface of the flexible protection leather sheath 2 is opened to a plurality of stretching windows 3, so that the flexible protection leather sheath 2 is deformed as a whole to cooperate with the displacement of the internal wire core 7 and the protective sleeve, avoiding the breakage of the outer protective sleeve 1 caused by the wire core 7 and the multi-stage protective sleeve structure, which affects the use of the cable, the plurality of wire cores 7 arranged in the inner layer protective sleeve 5 are bound and limited by the PET woven belt 4, the wire core 7 is placed and protected by the supporting frame 6, the insulation leather sheath 8 is used to prevent the mutual contact of each wire core 7 and to prevent the shielding protection, the PP flame-retardant filler 9 is used to prevent the wire core 7 from burning in the case of wrong connection, overload and ignition, and the burning of the line is avoided as much as possible, in the high temperature environment, the outer protective sleeve first plays a heat insulation role, the stretching window of the flexible protection leather sheath helps heat dissipation, the PET woven belt and the inner layer protective sleeve protect the wire core from high temperature, and the PP flame-retardant filler prevents the combustion caused by high temperature; in the humid environment, the waterproof performance of the outer protective sleeve and the flexible protection leather sheath protects the internal structure, the insulation leather sheath further ensures the insulation performance of the wire core, the supporting frame and the through traction belt maintain the stable arrangement of the wire core, ensure that the signal transmission is not affected, the through traction belt 10 is used to cooperate with the external PET woven belt 4 to support the wire core 7, avoid the excessive contraction of the wire core 7 caused by bending and stretching, and reduce the spacing between the wire cores 7, which affects the propagation of audio and video signals.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An audio video cable, characterized by, The utility model provides external protective sleeve (1), the inside of external protective sleeve (1) is provided with flexible protective leather sheath (2), a plurality of stretchable window (3) for assisting heat dissipation and can be freely stretched are opened to flexible protective leather sheath (2) surface, the inside of flexible protective leather sheath (2) is provided with PET braid (4), the inside of PET braid (4) is provided with inner protective sleeve (5), and the inside of inner protective sleeve (5) is integrally arranged with support frame (6) in the middle.

2. An audio video cable as claimed in claim 1, wherein, Each compartment of the support frame (6) is provided with a wire core (7), and the outer periphery of the wire core (7) is provided with an insulating sheath (8).

3. An audio video cable as claimed in claim 2, wherein, A layer of PP flame-retardant filler (9) for flame retardation is provided between the support frame (6) and the insulating sheath (8).

4. An audio video cable as claimed in claim 1, wherein, The center of the support frame (6) is provided with a through-pulling belt (10) that penetrates the entire cable.

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