Communication cable with multi-layer protection

Abstract

The utility model relates to the field of communication cables, and discloses a communication cable with multilayer protection, which comprises a cable, the left side of the cable is fixedly connected with a sliding sleeve, the inner wall of the right side of the sliding sleeve is elastically connected with a sliding block through a limiting spring, and the inner side of the sliding block is provided with a limiting groove. A limiting ball is slidably connected into the limiting groove, a connecting base is fixedly connected to the inner wall of the left side of the sliding block, a protection assembly is fixedly connected to the right side of the cable and used for protecting the connecting position of the left side of the sliding sleeve, a clamping needle is fixedly connected to the inner wall of the protection assembly, and a limiting groove is formed in the periphery of the clamping needle. According to the utility model, through the arrangement of the sliding sleeve, the limiting ball, the limiting spring and other structures, the clamping needle is inserted into the sliding block and is clamped by the limiting ball, so that the connection is stable, and meanwhile, the protection sleeve and the sealing ring are arranged, so that the connection part is prevented from being damaged easily while the cable is firmly connected, and the use is relatively convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to communication cable field especially, it is a kind of multi-layer protection communication cable with. BACKGROUND

[0002] Communication cable is specially used for transmission telephone, telegraph, fax, television, radio program, data and other electric signal cable. It is usually by one pair or multiple pairs of mutually insulated wire strands, and possibly include sealing sheath and outer sheath, to enhance its durability and anti-interference ability. Communication cable is widely used in various communication networks, ensure the stable, efficient transmission of information.

[0003] In order to protect communication cable can be used for a long time, not easy to damage, need to use a kind of multi-layer protection communication cable with.

[0004] Current communication cable is usually stripped at the place of connection The cable protection layer on both sides, after connecting the wire head of two groups of cables, it is connected by wrapping adhesive tape, such connection is not only more troublesome, but also only has adhesive tape connection at the connection, long time use not only can lead to the connection off, damage, at the same time there is also possible to cause the connection to easily mix in dust, cause communication signal to be easily interfered and lost, for this, a kind of multi-layer protection communication cable with is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a kind of multi-layer protection communication cable with, to improve the communication cable connection in prior art only has adhesive tape connection, not firm and easily enter ash etc.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of multi-layer protection communication cable with, including cable, the left side of the cable is fixedly connected with sliding sleeve, the right side inner wall of the sliding sleeve is elastically connected with sliding block by limiting spring, the inner side of the sliding block is provided with limiting slot, the limiting ball is slidably connected in the limiting slot, the left side inner wall of the sliding block is fixedly connected with connecting seat, the right side of the cable is fixedly connected with protection assembly, the protection assembly is used for protecting the left side connecting place of sliding sleeve, the inner wall of the protection assembly is fixedly connected with card needle, the limiting groove is formed in the outer periphery of the card needle.

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

[0008] The cable includes inner core, the outer periphery of the inner core is provided with insulating layer, the outer periphery of the insulating layer is provided with outer core, the outer periphery of the outer core is provided with sealing layer, the outer periphery of the sealing layer is provided with metal protection layer, and the outer periphery of the metal protection layer is provided with protection layer.

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

[0010] One end of the limiting spring is fixedly connected to the right inner wall of the sliding sleeve, and the other end of the limiting spring is fixedly connected to the left inner wall of the sliding block.

[0011] Further description of the above technical solution:

[0012] The left side of the sliding sleeve is provided with a conical surface, and the shape of the outer periphery of the sliding block is matched with the shape of the inside of the sliding sleeve.

[0013] Further description of the above technical solution:

[0014] The protection assembly comprises a protective sleeve, the left side of the protective sleeve is arranged on the right side of the cable, a sealing ring is fixedly connected to the inside of the protective sleeve, the inside of the sealing ring is in contact with the outer periphery of the sliding sleeve, and the left side of the clamping needle is fixedly connected to the inner wall of the left side of the protective sleeve.

[0015] Further description of the above technical solution:

[0016] The outside of the limiting ball is in contact with the inside of the sliding sleeve, and the inside of the limiting ball is in contact with the inside of the limiting groove.

[0017] Further description of the above technical solution:

[0018] The clamping needle is slidably connected to the inside of the sliding sleeve and the sliding block, and the outer periphery of the clamping needle is in contact with the inside of the connecting seat.

[0019] Further description of the above technical solution:

[0020] The metal protection layer is made of transversely and longitudinally staggered metal wires.

[0021] The utility model has the following beneficial effects:

[0022] 1、 in the utility model, through setting up sliding sleeve, limiting ball, limiting spring and so on structure, clamping needle is inserted into the inside of sliding block, is fixed through limiting ball clamping and makes connection, is provided with protective sleeve and sealing ring simultaneously, thereby protecting the connection place not easy to be damaged in the cable connection fastening, and use is more convenient.

[0023] 2、 in the utility model, through setting up protection layer, metal protection layer and so on structure, increase the durability of cable, metal protection layer forms metal cage, and the inside wire is not interfered with electromagnetically, thereby increasing the durability and anti-interference ability of cable. DRAWINGS

[0024] Figure 1 It is an overall front view of the communication cable with multiple layers of protection.

[0025] Figure 2 A kind of sliding sleeve front view cross section schematic diagram with multilayer protective communication cable is proposed for the utility model;

[0026] Figure 3 A kind of cable right side cross section schematic diagram with multilayer protective communication cable is proposed for the utility model;

[0027] Figure 4 A kind of metal protective layer front view schematic diagram with multilayer protective communication cable is proposed for the utility model.

[0028] Legend:

[0029] 1, cable;2, sliding sleeve;3, limit spring;4, sliding block;5, limit slot;6, limit ball;7, connecting seat;8, protective sleeve;9, clamping pin;10, limit recess;11, sealing ring;12, inner core;13, insulating layer;14, outer core;15, sealing layer;16, metal protective layer;17, protective layer. Specific embodiments

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] Refer to Figure 1 - Figure 2The utility model provides an embodiment: a kind of multi-layer protective communication cable, including cable 1 of convenient transmission information, the left side of cable 1 is fixedly connected with sliding sleeve 2, sliding sleeve 2 right side inner wall is elastically connected with sliding block 4 by limit spring 3, when sliding block 4 is not under stress, limit spring 3 will push sliding block 4 to left, limit spring 3 one end is fixedly connected in the right side inner wall of sliding sleeve 2, limit spring 3 other end is fixedly connected on the left side inner wall of sliding block 4, sliding block 4 outer periphery is slidably connected in the inside of sliding sleeve 2, sliding sleeve 2 limits that sliding block 4 can only eye sliding sleeve 2 inner wall left and right sliding, the left side of sliding sleeve 2 is set as taper surface, the shape of the outer periphery of sliding block 4 is compatible with the shape of the inside of sliding sleeve 2, limit slot 5 is set in the inboard of sliding block 4, limit slot 5 is provided with three groups, annular equidistance is arranged in the inside of sliding block 4, limit ball 6 is slidably connected in the inside of limit slot 5, limit slot 5 limits that limit ball 6 can only slide along limit slot 5 inner wall, the inboard of limit ball 6 is in contact with the inside of sliding sleeve 2, is abutted by the taper surface of sliding sleeve 2, the left side inner wall of sliding block 4 is fixedly connected with connecting seat 7, connecting seat 7 is electrically connected with the inside of cable 1.

[0032] Referring to Figure 1 - Figure 2 The right side of cable 1 is fixedly connected with a protection assembly, which is used for protecting the connection part on the left side of sliding sleeve 2. The protection assembly comprises a protective sleeve 8 for protection, the left side of the protective sleeve 8 is arranged on the right side of the cable 1, a sealing ring 11 is fixedly connected to the inboard of the protective sleeve 8, the sealing ring 11 is made of rubber, has a certain elasticity and a certain sealing property, the inboard of the sealing ring 11 is in contact with the outer periphery of the sliding sleeve 2, fills the space between the sliding sleeve 2 and the protective sleeve 8, prevents dust from entering, a clamping needle 9 is fixedly connected to the inboard of the protective sleeve 8, the clamping needle 9 is electrically connected with the inside of the cable 1, the left side of the clamping needle 9 is fixedly connected to the left inboard of the protective sleeve 8, a limit groove 10 is arranged on the outer periphery of the clamping needle 9, the inboard of the limit ball 6 is in contact with the inboard of the limit groove 10, fixes the clamping needle 9, the outer periphery of the clamping needle 9 is slidably connected in the inside of the sliding sleeve 2 and the sliding block 4, the outer periphery of the clamping needle 9 is in contact with the inside of the connecting seat 7, so that the two sides of the cable 1 are connected together.

[0033] Referring to Figure 1 , Figure 3 and Figure 4The cable 1 comprises an inner core 12, an insulating layer 13 arranged outside the inner core 12, an outer core 14 arranged outside the insulating layer 13, a sealing layer 15 arranged outside the outer core 14, a metal protection layer 16 arranged outside the sealing layer 15, and a protection layer 17 arranged outside the metal protection layer 16.

[0034] When it is desired to conveniently connect two cables 1, the protective sleeve 8 at one end of the cable 1 is slid to the outside of the sliding sleeve 2 of the other cable 1, the clamping pin 9 is inserted into the inside of the sliding sleeve 2, the clamping pin 9 is slid into the inside of the sliding block 4 and is in contact with the limiting spherical ball 6 in the inside of the sliding block 4, at this time, the limiting spherical ball 6 is in contact with the inner wall of the sliding sleeve 2 on the outside and blocks the clamping pin 9, the clamping pin 9 pushes the sliding block 4 to move rightward and extrudes the limiting spring 3, the sliding block 4 moves rightward along the inner wall of the sliding sleeve 2, at this time, a gap is generated between the sliding sleeve 2 and the sliding block 4, at this time, the clamping pin 9 pushes the limiting spherical ball 6 outward, the limiting spherical ball 6 moves outward along the inner wall of the limiting groove 5, when the gap between the limiting spherical ball 6 is greater than the diameter of the clamping pin 9, the clamping pin 9 is inserted into the inside of the sliding block 4, when the clamping pin 9 is inserted into the inside of the connecting seat 7, the limiting recess 10 is in contact with the limiting spherical ball 6, at this time, the limiting spring 3 is released from compression and pushes the sliding block 4 to move leftward, the sliding block 4 moves leftward and drives the tapered surface of the sliding sleeve 2 to extrude the limiting spherical ball 6, the limiting spherical ball 6 is clamped in the inside of the limiting recess 10 and clamps the clamping pin 9, thereby connecting the two cables 1, the connection is stable and the connecting part can be protected.

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

Claims

1. A multi-layer protected communication cable comprising a cable (1), characterized in that: The left side of the cable (1) is fixedly connected with a sliding sleeve (2), the right inner wall of the sliding sleeve (2) is elastically connected with a sliding block (4) through a limiting spring (3), the inner side of the sliding block (4) is provided with a limiting groove (5), the limiting groove (5) is internally and slidably connected with a limiting ball (6), the left inner wall of the sliding block (4) is fixedly connected with a connecting seat (7), the right side of the cable (1) is fixedly connected with a protection assembly, the protection assembly is used for protecting the left connecting portion of the sliding sleeve (2), the inner wall of the protection assembly is fixedly connected with a clamping needle (9), and the outer periphery of the clamping needle (9) is provided with a limiting groove (10).

2. A multi-layered protective communication cable according to claim 1, wherein: The cable (1) comprises an inner core (12), the outer periphery of the inner core (12) is provided with an insulating layer (13), the outer periphery of the insulating layer (13) is provided with an outer core (14), the outer periphery of the outer core (14) is provided with a sealing layer (15), the outer periphery of the sealing layer (15) is provided with a metal protective layer (16), and the outer periphery of the metal protective layer (16) is provided with a protective layer (17).

3. A multi-layered protective communication cable as claimed in claim 1, wherein: One end of the limiting spring (3) is fixedly connected to the right inner wall of the sliding sleeve (2), and the other end of the limiting spring (3) is fixedly connected to the left inner wall of the sliding block (4), and the outer periphery of the sliding block (4) is slidably connected in the sliding sleeve (2).

4. The multi-layered shielded communication cable of claim 1, wherein: The left side of the sliding sleeve (2) is provided as a conical surface, and the outer periphery shape of the sliding block (4) is matched with the inner shape of the sliding sleeve (2).

5. The multi-layered shielded communication cable of claim 1, wherein: The protection assembly comprises a protective sleeve (8), the left side of the protective sleeve (8) is arranged on the right side of the cable (1), the inner side of the protective sleeve (8) is fixedly connected with a sealing ring (11), the inner side of the sealing ring (11) is in contact with the outer periphery of the sliding sleeve (2), and the left side of the clamping needle (9) is fixedly connected to the left inner wall of the protective sleeve (8).

6. A multi-layered shielded communication cable according to claim 1, wherein: The outer side of the limiting ball (6) is in contact with the inner side of the sliding sleeve (2), and the inner side of the limiting ball (6) is in contact with the inner side of the limiting groove (10).

7. The multi-layered shielded communication cable of claim 1, wherein: The outer periphery of the clamping needle (9) is slidably connected in the sliding sleeve (2) and the sliding block (4), and the outer periphery of the clamping needle (9) is in contact with the inner side of the connecting seat (7).

8. A multi-layered shielded communication cable according to claim 2, wherein: The metal protective layer (16) is made of transversely and longitudinally arranged metal wires.

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