CN206516387U - A cable protector - Google Patents

Abstract

The utility model discloses a cable protection sleeve, which comprises a plurality of hollow sleeve bodies, wherein the left side of each sleeve body is provided with a first receiving part, the first receiving part comprises a receiving port, the inner diameter of the receiving port is sequentially increased from left to right, the right side of each sleeve body is provided with a second receiving part, the second receiving part comprises a receiving head matched with the receiving head, the outer diameter of the receiving head is sequentially increased from left to right, and the adjacent sleeve bodies are mutually connected through the receiving port and the receiving head; the cover body comprises an abrasion-resistant layer, a fireproof heat-insulating layer is arranged on the inner surface of the abrasion-resistant layer, an insulating layer is arranged on the inner surface of the fireproof heat-insulating layer, a plurality of plastic bodies are evenly arranged on the inner surface of the insulating layer along the circumferential direction, and each plastic body is semicircular. The device is provided with the bearing port and the bearing head which are matched with each other, so that the connection stability between the sleeve bodies is enhanced; the plastic body is arranged on the innermost layer of the sleeve body, so that the contact area between the cable and the protective sleeve is reduced, and the damage caused by mutual friction between the cable and the protective sleeve is greatly reduced due to the smoothness of the plastic.

Description

A cable protector

technical field

The utility model relates to the technical field of electric equipment, in particular to a cable protective cover.

Background technique

With the development of society, more and more cables are used, and the application fields are more and more extensive, and the requirements for cable types and performance are also getting higher and higher. At present, in the prior art, the interconnection between the protective covers generally requires a connector, or is bound by a sealing tape, the former is prone to electric leakage, and the latter is unstable in structure. In addition, most of the cable sheaths are made of plastic and rubber organic polymers, usually one layer, and the protective effect is not very good. At the same time, mutual friction between the protective sheath and the cable is easy to cause damage to both.

Aiming at the problems in the related technologies, no effective solution has been proposed yet.

Utility model content

Aiming at the above-mentioned technical problems in the related art, the utility model proposes a cable protective cover, which can solve the above-mentioned technical problems.

For realizing above-mentioned technical purpose, technical scheme of the present utility model is realized like this:

A cable protective sheath, comprising several hollow sleeves, the left side of the sleeve is provided with a first receiving portion, the first receiving portion includes a socket, and the inner diameter of the socket increases sequentially from left to right, The right side of the sleeve is provided with a second receiving portion, the second receiving portion includes a socket that matches the socket, the outer diameter of the socket increases from left to right, and the adjacent sockets The sleeves are connected to each other through the sockets and the sockets; the sleeves include a wear-resistant layer, the inner surface of the wear-resistant layer is provided with a fireproof and heat-insulating layer, and the inner surface of the fire-proof and heat-insulated layer is provided with There is an insulating layer, and several plastic bodies are evenly arranged on the inner surface of the insulating layer along the circumferential direction, and the plastic bodies are semicircular.

Further, a sealing tape is provided on the outer side of the connection between the socket and the socket.

Further, the materials of the first receiving part and the second receiving part are all made of nitrile rubber.

Further, the material of the wear-resistant layer is nitrile rubber.

Further, the material of the fireproof and heat insulation layer is high chlorinated polyethylene resin.

Further, the material of the insulating layer is polyamide.

Further, the material of the plastic body is polyethylene.

Beneficial effects of the utility model: the device is provided with a socket and a socket that cooperate with each other, and the socket is inserted into the socket by squeezing the socket to connect the two, increasing the stability of the connection between the sleeves; The device is equipped with several plastic bodies in the innermost layer of the sleeve, which reduces the contact area between the cable and the protective sleeve. At the same time, because the plastic is very smooth, the damage caused by the friction between the cable and the protective sleeve is greatly reduced.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a cross-sectional view of a front view of a cable protective sheath according to an embodiment of the present invention;

Fig. 2 is a sectional view of the left side view of the cable protection sheath according to the embodiment of the present invention.

In the picture:

1. Sleeve body; 2. First receiving part; 3. Second receiving part; 4. Receiving port; 5. Receiving joint; 6. Wear-resistant layer; 7. Fireproof and heat insulating layer; body.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in Figure 1-2, a cable protective sheath according to the embodiment of the present invention includes several hollow sheaths 1, and a first receiving part 2 is provided on the left side of the sheath, and the first receiving part Part 2 includes a socket 4, the inner diameter of which socket 4 increases sequentially from left to right, and a second socket 3 is provided on the right side of the sleeve body 1, and the second socket 3 includes a Socket head 5 matched with mouth 4, the outer diameter of said socket head 5 increases sequentially from left to right, and the adjacent sleeves 1 are connected to each other through said socket port 4 and socket head 5; said sleeve The body 1 includes a wear-resistant layer 6, the inner surface of the wear-resistant layer 6 is provided with a heat-insulating and fire-setting layer 7, and the inner surface of the fire-proof and heat-insulating layer 7 is provided with an insulating layer 8, and on the inner surface of the insulating layer 8 Several plastic bodies 9 are evenly arranged along the circumferential direction, and the plastic bodies 9 are semicircular.

Wherein, a sealing tape is provided on the outer side of the connection between the socket 4 and the socket 5 . Wherein, the materials of the first receiving part 2 and the second receiving part 3 are both nitrile rubber. Wherein, the wear-resistant layer 6 is made of nitrile rubber. Wherein, the material of the fireproof and heat insulating layer 7 is high chlorinated polyethylene resin. Wherein, the material of the insulating layer 8 is polyamide ester. Wherein, the material of the plastic body 9 is polyethylene.

When the adjacent casings 1 are connected through the first receiving portion 2 and the second receiving portion 3 , the connection can be further strengthened by a connector. The connector includes a first connecting portion connected to the first receiving portion 2 and a second connecting portion connected to the second receiving portion 3 , and the first connecting portion and the second connecting portion are connected by threads.

Wherein the inside of the first receiving part 2 and the second receiving part 3 are provided with a through hole for passing through the cable, the through hole communicates with the socket 4, and the inner diameter of the through hole is the same as that of the through hole inside the casing 1 And match.

Wherein, the first receiving part 2 and the second receiving part 3 are integrally formed with the wear-resistant layer 6 of the casing 1, and can be closely connected with other protective layers by means of heat sealing or the like. The wear-resistant layer 6 can also be a hollow ring, including an outer wear-resistant layer and an inner wear-resistant layer. Other protective layers are arranged inside the ring, and the plastic body 9 is arranged on the inner surface of the inner wear-resistant layer. The collar is integrally formed with the first receiving portion 2 and the second receiving portion 3 .

To sum up, with the help of the above-mentioned technical solution of the utility model, the device is provided with a socket 4 and a socket 5 that cooperate with each other, and the socket 4 is inserted into the socket 4 by squeezing the socket 5, so that the two are connected. The stability of the connection between the sleeves 1 is increased; the device is provided with several plastic bodies 9 on the innermost layer of the sleeve 1, which reduces the contact area between the cable and the protective sleeve. At the same time, because the plastic is very smooth, it greatly reduces the The damage caused by the friction between the cable and the protective sleeve is avoided.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (7)

1. A cable protective sheath, characterized in that it includes several hollow sleeves (1), the left side of the sleeve is provided with a first receiving portion (2), and the first receiving portion (2) includes a socket (4), the inner diameter of the socket (4) increases sequentially from left to right, a second socket (3) is provided on the right side of the sleeve (1), and the second socket (3) It includes a socket head (5) matched with the socket port (4), the outer diameter of the socket head (5) increases from left to right, and the adjacent sleeves (1) pass through the The socket (4) and the socket (5) are connected to each other; the casing (1) includes a wear-resistant layer (6), and the inner surface of the wear-resistant layer (6) is provided with a fireproof and heat-insulating layer (7), The inner surface of the fire-proof and heat-insulating layer (7) is provided with an insulating layer (8), and several plastic bodies (9) are evenly arranged on the inner surface of the insulating layer (8) along the circumferential direction, and the plastic bodies (9) ) is a semicircle. 2. The cable protection sheath according to claim 1, characterized in that, a sealing tape is provided on the outer side of the connection between the socket (4) and the socket (5). 3. The cable protective sheath according to claim 2, characterized in that the materials of the first receiving portion (2) and the second receiving portion (3) are both NBR. 4. The cable protective sheath according to claim 3, characterized in that, the wear-resistant layer (6) is made of NBR. 5. The cable protective sheath according to claim 4, characterized in that, the material of the fire-proof and heat-insulating layer (7) is high-chlorinated polyethylene resin. 6. The cable protective sheath according to claim 5, characterized in that, the material of the insulating layer (8) is polyamide ester. 7. The cable protective sheath according to claim 6, characterized in that the plastic body (9) is made of polyethylene.