CN213817100U

CN213817100U - Cable protective sleeve

Info

Publication number: CN213817100U
Application number: CN202022408378.9U
Authority: CN
Inventors: 刘献良; 邹建志; 刘希辰
Original assignee: Suzhou Nanyang Cable Co ltd
Current assignee: Suzhou Nanyang Cable Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-27
Anticipated expiration: 2030-10-26

Abstract

The utility model is suitable for a cable technical field provides a cable protection sleeve, include: the cable fixing device comprises a hollow sleeve body and end covers which are respectively detachably connected to two ends of the hollow sleeve body, wherein the end covers are of hollow structures with openings at two ends, and fastening assemblies which are used for fixing and pressing cables entering the end covers are arranged on the end covers; four first pipe bodies arranged in a matrix manner are arranged in the hollow sleeve body, a second pipe body is arranged at the center of each first pipe body, a first spring is fixedly connected between each first pipe body and the inner wall of the hollow sleeve body, and a second spring is fixedly connected between each first pipe body and the outer wall of the second pipe body. The utility model discloses an internal four first bodys and second body of cavity cover and lateral wall passageway are used for running through the cable of different grade type respectively, can classify to the cable of different grade type and accomodate the protection, avoid the cable of different grade type to stagger in the internal knot of cavity cover.

Description

Cable protective sleeve

Technical Field

The utility model belongs to the technical field of the cable, especially, relate to a cable protective sheath.

Background

Cable refers to a material used for power, communication and related transmission purposes, and is composed of one or more insulated conductors covered with a tough outer shell. The cable mainly comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable and the like, wherein the power cable, the control cable, the compensation cable, the shielding cable, the high-temperature cable, the computer cable, the signal cable, the coaxial cable, the fire-resistant cable, the marine cable and the like are all formed by a plurality of wires and are used for connecting a circuit, an electric appliance and the like.

The cable protection sleeve is a novel sleeve material which is popularized and used in power engineering, and along with the rapid development of power cable buried laying engineering, the cable protection sleeve has higher requirements on the cable sleeve, has good insulating property, high chemical stability, no rustiness and no aging, can adapt to harsh environment, and is widely applied.

However, current cable protective sheath makes the cable rub seriously in inside, and the security is relatively poor, and the buffering of being not convenient for can not categorised the isolation use to the cable simultaneously, and the mutual contact reduces life, after the cable mounting, can not fasten the both ends of protective sheath for the cable of tip easily rocks the unstable problem of installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable protective sheath aims at solving current cable protective sheath among the background art and makes the cable serious in inside friction, and the security is relatively poor, and the buffering of being not convenient for can not categorised the isolation to the cable simultaneously and use, and the mutual contact reduces life, after the cable installation, can not fasten the both ends of protective sheath for the cable of tip easily rocks the unstable problem of installation.

The utility model discloses a realize like this, a cable protection sleeve, include: the cable fixing device comprises a hollow sleeve body and end covers which are respectively detachably connected to two ends of the hollow sleeve body, wherein the end covers are of hollow structures with openings at two ends, and fastening assemblies which are used for fixing and pressing cables entering the end covers are arranged on the end covers;

the hollow sleeve is internally provided with four first pipe bodies arranged in a matrix manner, the centers of the four first pipe bodies are provided with a second pipe body, a first spring is fixedly connected between each first pipe body and the inner wall of the hollow sleeve, a second spring is fixedly connected between each first pipe body and the outer wall of the second pipe body, and four side wall channels are formed on the inner wall of the hollow sleeve in a staggered manner with the four first pipe bodies.

Preferably, set up the subassembly including wearing to establish the adjusting screw at end cover top, adjusting screw can for the end cover carries out the up-and-down motion, the adjusting screw bottom can be dismantled and is connected with the briquetting, just be located on the bottom in the end cover a plurality of supporting spring of fixedly connected with under the briquetting, a plurality of supporting spring's top fixedly connected with backup pad.

Preferably, the top of the end cover is provided with an adjusting screw hole in threaded fit with the adjusting screw rod, and the adjusting screw rod is in threaded connection with the adjusting screw hole.

Preferably, the upper surface of the pressing block is provided with a connecting screw hole in threaded fit with the adjusting screw rod, and the bottom end of the adjusting screw rod is in threaded connection with the connecting screw hole.

Preferably, the lower surface of the pressing block is provided with a pressing pad.

Preferably, the inner wall of the end cover is provided with an internal thread, and the outer walls of the two ends of the hollow sleeve body are respectively provided with an external thread matched with the internal thread.

Preferably, the end cover is close to the end face of the hollow sleeve body and is fixedly connected with an annular insert block, the outer wall of the hollow sleeve body is fixedly connected with a limiting ring, and the wall surface of the limiting ring facing the end cover is provided with an annular slot corresponding to and matched with the annular insert block.

Preferably, the second pipe body is coaxial with the center line of the hollow sleeve body, the second pipe body sequentially comprises a buffering shielding layer and a flame-retardant layer from inside to outside, flame-retardant particles are fully distributed in the flame-retardant layer, and a plurality of salient points are annularly and equidistantly arranged on the inner wall of the flame-retardant layer.

Preferably, the hollow sleeve body sequentially comprises a heat insulation layer, an insulation layer and an air isolation layer from inside to outside.

Preferably, the first pipe body and the second pipe body have the same structure, and the diameter of the cross section of the second pipe body is larger than that of the cross section of the first pipe body.

Compared with the prior art, the beneficial effects of the utility model are that: the four first tube bodies and the four second tube bodies in the hollow sleeve body and the side wall channels are respectively used for penetrating through cables of different types, the cables of different types can be classified, stored and protected, the cables of different types are prevented from being knotted in the hollow sleeve body in a staggered mode, the space layout in the hollow sleeve body is reasonable, the cables are convenient to use after being protected by the protective sleeve, the types of the cables are obvious, and the cables are convenient to overhaul by workers; meanwhile, the adjusting screw can drive the pressing block to tightly press the cable in the end cover, so that the two ends of the protective sleeve are not easy to loosen after the cable enters the protective sleeve.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a schematic structural view of a second tube of the present invention;

in the figure: 1-hollow sleeve body, 11-heat insulation layer, 12-insulation layer, 13-air isolation layer, 2-first tube body, 3-second tube body, 31-buffer shielding layer, 32-flame-retardant layer, 33-flame-retardant particles, 34-salient points, 4-first spring, 5-second spring, 6-side wall channel, 7-end cover, 71-adjusting screw hole, 72-annular plug block, 8-fastening component, 81-adjusting screw rod, 82-pressing block, 821-connecting screw hole, 83-supporting spring, 84-supporting plate, 85-pressing pad, 9-annular plug block and 91-annular slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cable jacket, comprising: the cable fixing device comprises a hollow sleeve body 1 and end covers 7 which are respectively detachably connected to two ends of the hollow sleeve body 1, wherein the end covers 7 are of a hollow structure with openings at two ends, and fastening assemblies 8 for fixing and pressing cables entering the end covers 7 are arranged on the end covers 7;

four first pipe bodies 2 arranged in a matrix manner are arranged in the hollow sleeve body 1, a second pipe body 3 is arranged at the center of each first pipe body 2, a first spring 4 is fixedly connected between each first pipe body 2 and the inner wall of the hollow sleeve body 1, a second spring 5 is fixedly connected between each first pipe body 2 and the outer wall of the second pipe body 3, and four side wall channels 6 are formed on the inner wall of the hollow sleeve body 1 and are staggered with the four first pipe bodies 2.

In this embodiment, when the protective sleeve is used, the cables enter the end cap 7 first, and then enter different spaces according to the classification standard, specifically, the first type of cable can enter the first tube 2. Second type cable can enter into second body 3 in, third type cable can enter into lateral wall passageway 6 in, first body 2, the space overall arrangement between second body 3 and the lateral wall passageway 6 is reasonable, the 1 inner space of the hollow cover body is utilized to the maximize, can classify and accomodate the protection to the cable of different grade type, avoid the cable of different grade type crisscross the knot in the hollow cover body, set up the cable that subassembly 8 can the fixed compression hollow cover body 1 both ends moreover, avoid rocking of cable. It should be noted that the first spring 4 and the second spring 5 are used for absorbing vibration during the use of the cable.

Further, set up subassembly 8 including wearing to establish the adjusting screw 81 at end cover 7 top, adjusting screw 81 can carry out the up-and-down motion for end cover 7, and adjusting screw 81 can be dismantled in the bottom and be connected with briquetting 82, and in the end cover 7 on the bottom and be located briquetting 82 under fixedly connected with a plurality of supporting spring 83, the top fixedly connected with backup pad 84 of a plurality of supporting spring 83.

In this embodiment, when the cable in the compression end cap 7 is fixed, the adjusting screw 81 moves downward to drive the pressing block 82 to compress the cable on the supporting plate 84, the supporting plate 84 compresses the supporting spring 83, and the resilience generated by the supporting spring 83 compresses the cable in turn.

Furthermore, the top of the end cover 7 is provided with an adjusting screw hole 71 in threaded fit with an adjusting screw 81, and the adjusting screw 81 is in threaded connection with the adjusting screw hole 71.

In the present embodiment, during the downward movement of the adjustment screw 81, specifically, the adjustment screw 81 is rotated to move downward within the adjustment screw hole 71.

Furthermore, the upper surface of the pressing block 82 is provided with a connecting screw hole 821 which is in threaded fit with the adjusting screw 81, and the bottom end of the adjusting screw 81 is in threaded connection with the connecting screw hole 821.

In this embodiment, the bottom end of the adjusting screw 81 is screwed into the coupling screw hole 821, so that the adjusting screw 81 and the pressing block 82 can be detachably and fixedly coupled.

Further, a pressing pad 85 is provided on the lower surface of the pressing block 82.

In this embodiment, the pressure pad 85 is made of a soft material to avoid the pressure block 82 from crushing the cable.

Furthermore, an inner thread is arranged on the inner wall of the end cover 7, and outer threads matched with the inner thread are respectively arranged on the outer walls of the two ends of the hollow sleeve body 1.

In the present embodiment, the end cap 7 is detachably fixed to the hollow sleeve 1 in such a manner that the end cap 7 is screwed into the end of the hollow sleeve 1.

Furthermore, the end face of the end cover 7 close to the hollow sleeve 1 is fixedly connected with an annular insert block 72, the outer wall of the hollow sleeve 1 is fixedly connected with a limit ring 9, and the wall surface of the limit ring 9 facing the end cover 7 is provided with an annular slot 91 corresponding to and matched with the annular insert block 72.

In this embodiment, when the end cap 7 is screwed into the end of the hollow sleeve 1, the end cap 7 further moves towards the middle of the hollow sleeve 1 until the annular insert 72 is inserted into the annular slot 91, and the limit ring 9 blocks the end cap 7 from further moving.

Furthermore, the central lines of the second pipe body 3 and the hollow sleeve body 1 are coaxial, the second pipe body 3 sequentially comprises a buffer shielding layer 31 and a flame-retardant layer 32 from inside to outside, flame-retardant particles 33 are fully distributed in the flame-retardant layer 32, and a plurality of salient points 34 are annularly and equidistantly arranged on the inner wall of the flame-retardant layer 32.

In the embodiment, the buffer shielding layer 31 is used for isolating the cable, the flame retardant particles 33 are made of a flame retardant material, the flame retardant layer 32 has flame retardant performance, and the bumps 34 reduce vibration of the cable in the using process.

Further, the hollow sleeve body 1 comprises a heat insulation layer 11, an insulation layer 12 and an air isolation layer 13 from inside to outside in sequence.

In this embodiment, the insulating layer 11 is used to maintain the temperature inside the hollow sleeve 1, the insulating layer 12 provides the hollow sleeve 1 with insulating properties, and the air-isolating layer 13 prevents the air from oxidizing the hollow sleeve 1.

Further, first body 2 is the same with 3 structure of second body, and 3 cross section diameters of second body are greater than 2 cross section diameters of first body.

In the present embodiment, the second tube 3 is applied to a large cable, and the first tube 2 is applied to a small cable.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, when using this protective sheath, the cable enters into in the end cover 7 earlier, get into different spaces according to categorised standard again, it is concrete, first type cable can enter into in first body 2, second type cable can enter into in the second body 3, third type cable can enter into in lateral wall passageway 6, first body 2, space layout between second body 3 and the lateral wall passageway 6 is reasonable, the maximize utilizes 1 inner space of the cavity cover body, can classify and accomodate the protection to the cable of different grade type, avoid the cable of different grade type to crisscross knot in the cavity cover body, and set up the cable that subassembly 8 can the fixed cavity cover body 1 both ends that compresses tightly, avoid rocking of cable.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A cable protective cover, comprising: the cable fixing device comprises a hollow sleeve body (1) and end covers (7) which are respectively detachably connected to two ends of the hollow sleeve body (1), wherein the end covers (7) are of hollow structures with openings at two ends, and fastening assemblies (8) which are used for fixing and pressing cables entering the end covers (7) are arranged on the end covers (7);

the improved pipe fitting is characterized in that four first pipe bodies (2) arranged in a matrix manner are arranged in the hollow sleeve body (1), a second pipe body (3) is arranged at the center of each first pipe body (2), each first pipe body (2) and the inner wall of the hollow sleeve body (1) are fixedly connected with a first spring (4), each first pipe body (2) and the outer wall of the second pipe body (3) are fixedly connected with a second spring (5), and four side wall channels (6) are formed on the inner wall of the hollow sleeve body (1) and are staggered with the first pipe bodies (2).

2. The cable protection sleeve according to claim 1, wherein the fastening assembly (8) comprises an adjusting screw (81) penetrating through the top of the end cap (7), the adjusting screw (81) can move up and down relative to the end cap (7), a pressing block (82) is detachably connected to the bottom end of the adjusting screw (81), a plurality of supporting springs (83) are fixedly connected to the inner bottom of the end cap (7) and located under the pressing block (82), and a supporting plate (84) is fixedly connected to the top ends of the supporting springs (83).

3. A cable protective sleeve according to claim 2, wherein the top of the end cap (7) is provided with an adjusting screw hole (71) which is in threaded fit with the adjusting screw rod (81), and the adjusting screw rod (81) is in threaded connection with the adjusting screw hole (71).

4. A cable protective sleeve according to claim 2, wherein the upper surface of the pressing block (82) is provided with a connecting screw hole (821) which is in threaded fit with the adjusting screw rod (81), and the bottom end of the adjusting screw rod (81) is in threaded connection with the connecting screw hole (821).

5. A cable sheath according to claim 2, characterized in that the lower surface of the pressure piece (82) is provided with a pressure pad (85).

6. A cable sheath according to claim 1, characterized in that the inner wall of the end cap (7) is provided with an internal thread, and the outer walls of the two ends of the hollow sheath (1) are respectively provided with an external thread matching with the internal thread.

7. The cable protection sleeve according to claim 6, wherein an annular insert (72) is fixedly connected to an end surface of the end cap (7) close to the hollow sleeve body (1), a limiting ring (9) is fixedly connected to an outer wall of the hollow sleeve body (1), and an annular slot (91) corresponding to and adapted to the annular insert (72) is formed in a wall surface of the limiting ring (9) facing the end cap (7).

8. A cable sheath according to claim 1, characterized in that the second tube (3) is coaxial with the central line of the hollow sheath (1), the second tube (3) comprises a buffer shielding layer (31) and a flame retardant layer (32) from inside to outside, the flame retardant layer (32) is filled with flame retardant particles (33), and a plurality of protrusions (34) are annularly and equidistantly arranged on the inner wall of the flame retardant layer (32).

9. A cable sheath according to claim 1, characterized in that the hollow sheath (1) comprises, in order from the inside to the outside, an insulating layer (11), an insulating layer (12) and an air-insulating layer (13).

10. A cable sheath according to claim 8, characterized in that the first (2) and second (3) tubes are of identical construction and in that the second tube (3) has a cross-sectional diameter greater than the cross-sectional diameter of the first tube (2).