CN214337510U

CN214337510U - Power cable protection pipe with good pressure resistance

Info

Publication number: CN214337510U
Application number: CN202120362156.XU
Authority: CN
Inventors: 王晓敏
Original assignee: Jiangsu Ruida Electric Technology Co ltd
Current assignee: Jiangsu Ruida Electric Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-01
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a power cable protection pipe that crushing resistance is good, which comprises a pipe body, the body includes the rubber tube, and the outside of rubber tube all is provided with the inner tube, the outside of inner tube all is provided with the silicone sponge pipe, and the outside of silicone sponge pipe all is provided with the outer tube, the outside of outer tube all is provided with fire-retardant coating, the first connecting mechanism of one end fixedly connected with of body, and first connecting mechanism include first sleeve pipe, the conical tube has been cup jointed to the one end that the body was kept away from to first sleeve pipe inner wall all around. The utility model discloses a rubber tube that sets up forms the support to the internal pipe, mutually supports through inner tube and outer tube, can improve the body to external crushing resistance, through the sponge silicone tube that sets up between inner tube and outer tube, can form the support to inner tube and outer tube, can alleviate the pressure of passing through the outer tube transmission and coming, strengthens the stability of body, can improve the heat resistance of body through the flame retardant coating that sets up.

Description

Power cable protection pipe with good pressure resistance

Technical Field

The utility model relates to a cable protection tube technical field especially relates to the power cable protection tube that crushing resistance is good.

Background

The cable protective 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 protective sleeve puts higher requirements on the cable sleeve.

The traditional power cable protection pipe is usually bonded by a sleeve when being connected, the pressure resistance of the joint of the traditional power cable protection pipe is poor, the joint is easy to loosen and generate gaps when being externally pressed, the working environment of a power cable is influenced, and great potential safety hazards are caused, so that the power cable protection pipe with good pressure resistance is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing the power cable protection pipe with good pressure resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the power cable protection pipe with good pressure resistance comprises a pipe body, wherein the pipe body comprises a rubber pipe, inner pipes are arranged outside the rubber pipe, a silicone sponge pipe is arranged outside the inner pipes, and the outer parts of the sponge silica gel tubes are all provided with outer tubes, the outer parts of the outer tubes are all provided with flame retardant coatings, one end of the tube body is fixedly connected with a first connecting mechanism, the first connecting mechanism comprises a first sleeve, one end of the peripheral inner wall of the first sleeve, which is far away from the pipe body, is sleeved with a conical pipe, the outer wall of the first sleeve is sleeved with an external thread pipe, the other end of the pipe body is fixedly connected with a second connecting mechanism, the second connecting mechanism comprises a second sleeve, one end of the peripheral inner wall of the second sleeve, which is far away from the tube body, is sleeved with a fixed tube, and the outer wall of the second connecting mechanism is sleeved with a sealing bearing, and the outer wall of the sealing bearing is sleeved with an internal threaded pipe.

Preferably, the outer wall of the rubber tube is bonded with the inner wall of the inner tube, the outer wall of the inner tube is bonded with the inner wall of the silicone sponge tube, the outer wall of the silicone sponge tube is bonded with the inner wall of the outer tube, and the flame-retardant coating is sprayed on the peripheral outer wall of the outer tube.

Preferably, the inner wall one end of the first sleeve is sleeved with the outer wall one end of the tube body, and the other end of the outer wall of the tube body is sleeved with the inner wall one end of the second sleeve.

Preferably, all bond on the toper of conical duct outer wall all around and have first rubber gasket, and the conical duct keeps away from first sheathed tube one end and the first sheathed tube one end of keeping away from of external screw thread pipe and flushes.

Preferably, the one end of fixed pipe that keeps away from the second sleeve pipe is seted up the bell mouth with bell pipe looks adaptation, and the inner wall all bonds all around of bell mouth has second rubber sealing piece.

Preferably, the screw thread of internal thread pipe and the screw thread looks adaptation of external screw thread pipe, and the second sheathed tube one end is kept away from to the internal thread pipe flushes with the fixed pipe one end of keeping away from the second sheathed tube.

The utility model has the advantages that:

1. the supporting structure has the advantages that the rubber tube forms a support for the inner tube, the inner tube and the outer tube are matched with each other, the pressure resistance of the tube body to the outside can be improved, the sponge silicone tube arranged between the inner tube and the outer tube can support the inner tube and the outer tube, the pressure transmitted from the outer tube can be relieved, the stability of the tube body is enhanced, the heat resistance of the tube body can be improved through the arranged flame-retardant coating, the tube body is prevented from being easily ignited when a fire disaster happens, the cable laying in the tube body is protected, and the stable working environment is provided;

2. when carrying out the multitube connection, one end through inserting first coupling mechanism's one end into second coupling mechanism, external thread pipe and internal thread pipe pass through screw-thread fit, make the bell mouth that the toper pipe aimed at on the fixed pipe insert, cooperate first rubber gasket and second rubber gasket, it is sealed with the junction of fixed pipe to make the toper pipe, can accomplish the combination, can avoid the junction pressurized to lead to droing, be favorable to conveniently connecting the combination operation, the maintenance in the later stage of being convenient for is overhauld, be favorable to reducing the potential safety hazard that uses to exist.

Drawings

Fig. 1 is a schematic side sectional view of a second connection mechanism of a power cable protection tube with good pressure resistance according to the present invention;

fig. 2 is a schematic side sectional view of a first connecting mechanism of the power cable protection tube with good pressure resistance according to the present invention;

fig. 3 is a schematic overall side view of the power cable protection tube with good pressure resistance according to the present invention;

fig. 4 is a schematic front sectional view of the power cable protection tube with good pressure resistance according to the present invention.

In the figure: the sealing structure comprises a pipe body 1, a rubber pipe 2, an inner pipe 3, a sponge silicone tube 4, an outer pipe 5, a flame-retardant coating 6, a first connecting mechanism 7, a first sleeve 8, a conical pipe 9, an external threaded pipe 10, a first rubber sealing sheet 11, a second connecting mechanism 12, a second sleeve 13, a fixed pipe 14, a second rubber sealing sheet 15, a sealing bearing 16 and an internal threaded pipe 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a power cable protection tube with good pressure resistance comprises a tube body 1, wherein the tube body 1 comprises a rubber tube 2, inner tubes 3 are arranged outside the rubber tube 2, silicone sponge tubes 4 are arranged outside the inner tubes 3, outer tubes 5 are arranged outside the silicone sponge tubes 4, flame-retardant coatings 6 are arranged outside the outer tubes 5, the outer walls of the rubber tubes 2 are bonded with the inner walls of the inner tubes 3, the outer walls of the inner tubes 3 are bonded with the inner walls of the silicone sponge tubes 4, the outer walls of the silicone sponge tubes 4 are bonded with the inner walls of the outer tubes 5, the flame-retardant coatings 6 are sprayed on the peripheral outer walls of the outer tubes 5, the inner tubes 3 are supported by the rubber tubes 2, the inner tubes 3 and the outer tubes 5 are matched with each other, the pressure resistance of the tube body 1 to the outside can be improved, and the silicone sponge tubes 4 arranged between the inner tubes 3 and the outer tubes 5, the inner pipe 3 and the outer pipe 5 can be supported, the pressure transmitted by the outer pipe 5 can be relieved, the stability of the pipe body 1 is enhanced, the heat resistance of the pipe body 1 can be improved through the arranged flame-retardant coating 6, the pipe body 1 is prevented from being easily ignited when a fire disaster happens, cables laid in the pipe body are protected, and a stable working environment is provided;

one end of the pipe body 1 is fixedly connected with a first connecting mechanism 7, the first connecting mechanism 7 comprises a first sleeve 8, one end, far away from the pipe body 1, of the peripheral inner wall of the first sleeve 8 is sleeved with a conical pipe 9, the outer wall of the first sleeve 8 is sleeved with an external threaded pipe 10, the conical peripheral outer wall of the conical pipe 9 is bonded with a first rubber sealing sheet 11, one end, far away from the first sleeve 8, of the conical pipe 9 is flush with one end, far away from the first sleeve 8, of the external threaded pipe 10, the other end of the pipe body 1 is fixedly connected with a second connecting mechanism 12, the second connecting mechanism 12 comprises a second sleeve 13, one end, far away from the pipe body 1, of the inner wall of the first sleeve 8 is sleeved with one end of the outer wall of the pipe body 1, the other end, far away from the pipe body 1, of the peripheral inner wall of the second sleeve 13 is sleeved with a fixed pipe 14, and the outer wall of the second connecting mechanism 12 is sleeved with a sealing bearing 16, the end of the fixed pipe 14 far away from the second sleeve 13 is provided with a taper hole matched with the taper pipe 9, the inner wall around the taper hole is bonded with a second rubber sealing sheet 15, the outer wall of the sealing bearing 16 is sleeved with an internal thread pipe 17, the thread of the internal thread pipe 17 is matched with the thread of the external thread pipe 10, the end of the internal thread pipe 17 far away from the second sleeve 13 is flush with the end of the fixed pipe 14 far away from the second sleeve 13, when multi-pipe connection is carried out, one end of the first connecting mechanism 7 is inserted into one end of the second connecting mechanism 12, the external thread pipe 10 and the internal thread pipe 17 are matched through threads, the taper pipe 9 is inserted into the taper hole on the fixed pipe 14, the first rubber sealing sheet 11 and the second rubber sealing sheet 15 are matched, the joint of the taper pipe 9 and the fixed pipe 14 is sealed, the combination can be completed, and the falling off caused by the pressure on the joint can be avoided, the device is favorable for convenient connection and combination operation, is convenient for later maintenance and repair, and is favorable for reducing potential safety hazards in use.

The working principle is as follows: in the using process, the inner pipe 3 is supported by the arranged rubber pipe 2, the inner pipe 3 and the outer pipe 5 are matched with each other, the pressure resistance of the pipe body 1 to the outside can be improved, the inner pipe 3 and the outer pipe 5 can be supported by the sponge silica gel pipe 4 arranged between the inner pipe 3 and the outer pipe 5, the pressure transmitted by the outer pipe 5 can be relieved, the stability of the pipe body 1 is enhanced, the heat resistance of the pipe body 1 can be improved by the arranged flame retardant coating 6, the pipe body 1 is prevented from being easily ignited when a fire disaster happens, when the multi-pipe connection is carried out, one end of the first connecting mechanism 7 is inserted into one end of the second connecting mechanism 12, the outer threaded pipe 10 and the inner threaded pipe 17 are screwed with each other through thread matching, the tapered pipe 9 is inserted into a tapered hole on the fixed pipe 14, and the first rubber 11 and the second rubber sealing sheet 15 are matched, the joint of the conical tube 9 and the fixed tube 14 is sealed, so that the combination can be completed, and the joint can be prevented from falling off due to compression.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The power cable protection pipe with good pressure resistance comprises a pipe body (1) and is characterized in that the pipe body (1) comprises a rubber pipe (2), inner pipes (3) are arranged outside the rubber pipe (2), a sponge silicone pipe (4) is arranged outside the inner pipes (3), an outer pipe (5) is arranged outside the sponge silicone pipe (4), flame-retardant coatings (6) are arranged outside the outer pipe (5), one end of the pipe body (1) is fixedly connected with a first connecting mechanism (7), the first connecting mechanism (7) comprises a first sleeve (8), one end, far away from the pipe body (1), of the peripheral inner wall of the first sleeve (8) is sleeved with a conical pipe (9), the outer wall of the first sleeve (8) is sleeved with an external threaded pipe (10), and the other end of the pipe body (1) is fixedly connected with a second connecting mechanism (12), and the second connecting mechanism (12) comprises a second sleeve (13), one end, far away from the pipe body (1), of the inner wall of the periphery of the second sleeve (13) is sleeved with a fixed pipe (14), the outer wall of the second connecting mechanism (12) is sleeved with a sealing bearing (16), and the outer wall of the sealing bearing (16) is sleeved with an internal threaded pipe (17).

2. The power cable protection tube with good pressure resistance as claimed in claim 1, wherein the outer wall of the rubber tube (2) is bonded to the inner wall of the inner tube (3), the outer wall of the inner tube (3) is bonded to the inner wall of the silicone sponge tube (4), the outer wall of the silicone sponge tube (4) is bonded to the inner wall of the outer tube (5), and the flame retardant coating (6) is sprayed on the peripheral outer wall of the outer tube (5).

3. The protection pipe for power cable with good pressure resistance as claimed in claim 1, wherein one end of the inner wall of the first sleeve (8) is sleeved with one end of the outer wall of the pipe body (1), and the other end of the outer wall of the pipe body (1) is sleeved with one end of the inner wall of the second sleeve (13).

4. The protection tube for power cables with good pressure resistance as claimed in claim 1, wherein the tapered peripheral outer wall of the tapered tube (9) is bonded with a first rubber sealing sheet (11), and the end of the tapered tube (9) away from the first sleeve (8) is flush with the end of the external threaded tube (10) away from the first sleeve (8).

5. The power cable protection tube with good pressure resistance as claimed in claim 1, wherein one end of the fixing tube (14) far away from the second sleeve (13) is provided with a tapered hole matched with the tapered tube (9), and the inner wall of the periphery of the tapered hole is bonded with a second rubber sealing sheet (15).

6. A crush-resistant power cable protection tube as claimed in claim 1, wherein the thread of the internally threaded tube (17) is adapted to the thread of the externally threaded tube (10), and wherein the end of the internally threaded tube (17) remote from the second sleeve (13) is flush with the end of the fixing tube (14) remote from the second sleeve (13).