CN215342074U

CN215342074U - High-temperature-resistant wire cable

Info

Publication number: CN215342074U
Application number: CN202120828891.5U
Authority: CN
Inventors: 郭富余; 周国顺; 李文江; 刘妍姿; 赵大永; 周崇育; 李志强
Original assignee: Wuhan Baoshang Cable Co ltd
Current assignee: Wuhan Baoshang Cable Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-12-28
Anticipated expiration: 2031-04-21

Abstract

The utility model provides a high-temperature-resistant wire and cable, which relates to the technical field of wire and cable and comprises an insulating rubber tube, a first Teflon sleeve, a second Teflon sleeve and a nitrile rubber tube, wherein the first Teflon sleeve is sleeved on the outer side of the insulating rubber tube, the second Teflon sleeve is sleeved on the outer side of the first Teflon sleeve, and the nitrile rubber tube is sleeved on the outer side of the second Teflon sleeve; an isolation sleeve is arranged inside the insulation rubber pipe; according to the utility model, the first Teflon sleeve and the second Teflon sleeve are sleeved on the outer side of the wire core to carry out double temperature-resistant protection on the wire core, the nitrile rubber pipe and the protection part are matched to be sleeved on the outer side to block heat transfer, so that the normal use of the cable in a high-temperature environment is ensured, the whole cable is supported through the action of the pressure-resistant pipe, a certain supporting force is provided by utilizing the wavy structure of the cable when the cable is subjected to side pressure, the wire core on the inner side is protected, the air bag strip is matched to buffer and support the wire core in the center of the insulating rubber pipe, and the wire core is prevented from shifting due to compression.

Description

High-temperature-resistant wire cable

Technical Field

The utility model relates to the technical field of wires and cables, in particular to a high-temperature-resistant wire and cable.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and is a conducting wire for transmitting electric power or information from one place to another place, the cable 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, a mining cable, an aluminum alloy cable and the like, and the cables consist of single-strand or multi-strand conducting wires and insulating layers and are used for connecting circuits, electric appliances and the like;

the existing cable generally adopts a composition mode that an insulating rubber sleeve is matched with a wire core, has poor temperature resistance in the using process, cannot ensure normal electrification and transmission of various control signals in a high-temperature environment, and is very easy to burn off, and although the existing cable has certain stretching toughness, the existing cable has poor pressure resistance to lateral pressure and is easy to deform by extrusion so as to cause the displacement of the wire core inside.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a high-temperature-resistant wire cable, which is characterized in that a wire core is arranged in an insulating rubber tube, a first Teflon sleeve and a second Teflon sleeve are sleeved on the outer sides of the insulating rubber tube to carry out double temperature-resistant protection on the wire core, the Teflon tube and a protection part are matched on the outer sides of the insulating rubber tube to block heat transfer, the normal use of the cable in a high-temperature environment is ensured, the whole cable is supported under the action of a pressure-resistant tube, a certain supporting force is provided when the cable is subjected to lateral pressure by utilizing the wavy structure of the cable to protect the wire core on the inner side, and the wire core is buffered and supported at the center of the insulating rubber tube by matching an air bag strip, so that the wire core is prevented from shifting caused by pressure, and the high-temperature-resistant wire cable is more durable.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: a high-temperature-resistant wire cable comprises an insulating rubber tube, a first Teflon sleeve, a second Teflon sleeve and a nitrile rubber tube, wherein the first Teflon sleeve is sleeved on the outer side of the insulating rubber tube, the second Teflon sleeve is sleeved on the outer side of the first Teflon sleeve, and the nitrile rubber tube is sleeved on the outer side of the second Teflon sleeve;

the inside of insulating rubber tube is equipped with the separation sleeve, and the inside of separation sleeve is equipped with the sinle silk, the inside intermediate position department of insulating rubber tube is equipped with the slot, and the inside of slot is equipped with the gasbag strip, be equipped with the clearance between first teflon cover and the second teflon cover, and the inside in clearance is equipped with the withstand voltage pipe, the aramid fiber pipe that the withstand voltage pipe set up is encircleed for the wave, it is fixed through the viscose between withstand voltage pipe and first teflon cover, the second teflon cover, the protection part is installed in the outside of butyl fine rubber pipe.

The further improvement lies in that: the lateral wall of first teflon cover and second teflon cover is inside all to be equipped with the installation cavity, and the installation cavity is equipped with the multiunit, the inside packing of installation cavity has the PP rope.

The further improvement lies in that: and a filling groove is formed between the second Teflon sleeve and the nitrile rubber pipe, and glass fiber filling particles and crystal filling particles are filled in the filling groove.

The further improvement lies in that: the protection portion is the protection tube, and the protection tube is the epoxy hose, the outside of protection tube is equipped with wear-resisting strip, and wear-resisting strip is equipped with the multiunit.

The further improvement lies in that: the outer side of the nitrile rubber pipe is provided with four corners which are provided with positioning convex strips, the inner side of the protective pipe is provided with four corners which are provided with positioning grooves, and the positioning convex strips are matched with the positioning grooves.

The further improvement lies in that: the one end of protection tube is the opening, and the open-ended upper and lower end all is equipped with the connection piece, the below be equipped with the inserted bar on the connection piece, and be equipped with the locking plate on the inserted bar, the locking plate is trapezoidal piece, the top be equipped with the mounting groove with inserted bar looks adaptation on the connection piece, and the inserted bar passes through the locking plate and fixes with the mounting groove.

The utility model has the beneficial effects that:

1. according to the cable, the wire core is arranged in the insulating rubber tube, the first Teflon sleeve and the second Teflon sleeve are sleeved on the outer sides, the wire core is subjected to double temperature-resistant protection, and the butadiene acrylonitrile rubber tube and the protection part are matched to be sleeved on the outer sides to block heat transfer, so that the cable can be normally used in a high-temperature environment.

2. The cable provided by the utility model supports the whole cable under the action of the pressure-resistant pipe, provides a certain supporting force when the pressure is applied by side pressure by utilizing the wavy structure of the cable, protects the wire core on the inner side, and is matched with the air bag strip to buffer and support the wire core at the center of the insulating rubber pipe, so that the wire core displacement caused by pressure is avoided, and the cable is more durable.

3. According to the utility model, the glass fiber filling particles and the crystal filling particles are filled between the second Teflon sleeve and the nitrile rubber tube, and the characteristics of the glass fiber and the crystal are utilized, so that the 600-850 ℃ high temperature can be blocked within 90min of combustion time.

4. The cable protection device protects the cable by using the effect of the protection sleeve, resists friction when being used by matching with the effect of the wear-resistant strip, and is used for fixing the opening of the protection tube by matching with the effect of the installation groove through the insertion rod and the locking piece, so that the protection tube is conveniently installed and fixed outside the nitrile rubber tube or is conveniently replaced.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is a schematic view of the protection portion of the present invention.

Wherein: 1. an insulating rubber tube; 2. a first teflon sleeve; 3. a second Teflon sleeve; 4. a nitrile-butadiene rubber pipe; 5. an isolation sleeve; 6. a wire core; 7. a slot; 8. an air bag strip; 9. a gap; 10. a pressure resistant pipe; 11. a PP cord; 12. glass fiber filler particles; 13. crystal filling particles; 14. protecting the tube; 15. wear resistant strips; 16. positioning the convex strip; 17. positioning a groove; 18. connecting sheets; 19. inserting a rod; 20. a locking tab.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to fig. 1, 2 and 3, the embodiment provides a high-temperature-resistant wire and cable, which includes an insulating rubber tube 1, a first teflon sleeve 2, a second teflon sleeve 3 and a nitrile rubber tube 4, wherein the first teflon sleeve 2 is sleeved outside the insulating rubber tube 1, the second teflon sleeve 3 is sleeved outside the first teflon sleeve 2, and the nitrile rubber tube 4 is sleeved outside the second teflon sleeve 3; the wire core 6 is subjected to double temperature-resistant protection by sleeving the first Teflon sleeve 2 and the second Teflon sleeve 3 on the outer sides, and the wire core is matched with the nitrile rubber pipe 4 and the protection part to be sleeved on the outer sides to block heat transfer;

insulating rubber tube 1's inside is equipped with spacer sleeve 5, and spacer sleeve 5's inside is equipped with sinle silk 6, 1 inside intermediate position department of insulating rubber tube is equipped with slot 7, and slot 7's inside is equipped with gasbag strip 8, be equipped with clearance 9 between first teflon sleeve 2 and the second teflon sleeve 3, and the inside in clearance 9 is equipped with withstand voltage pipe 10, withstand voltage pipe 10 is the wave around the aramid fiber pipe that sets up, it is fixed through the viscose between withstand voltage pipe 10 and first teflon sleeve 2, the second teflon sleeve 3, the protection part is installed in the outside of butyl acrylic rubber pipe 4. The compression-resistant pipe 10 supports the whole cable, and by means of the wavy structure, certain supporting force is provided when the compression-resistant pipe receives lateral pressure, the inner-side wire core 6 is protected, the air bag strip 8 is matched to buffer and support the wire core 6 in the center of the insulating rubber pipe 1, and the wire core 6 is prevented from shifting due to compression.

The lateral wall of first teflon cover 2 and second teflon cover 3 is inside all to be equipped with the installation cavity, and the installation cavity is equipped with the multiunit, the inside packing of installation cavity has PP rope 11. The tensile property of the whole cable is improved.

And a filling groove is formed between the second Teflon sleeve 3 and the butadiene-acrylonitrile rubber pipe 4, and glass fiber filling particles 12 and crystal filling particles 13 are filled in the filling groove. By utilizing the characteristics of the glass fiber and the crystal, the high temperature of 600-850 ℃ can be blocked within 90min of combustion time.

The protection portion is protection tube 14, and protection tube 14 is the epoxy hose, the outside of protection tube 14 is equipped with wear-resisting strip 15, and wear-resisting strip 15 is equipped with the multiunit. The cable is protected by the protective sheath 14, which together with the wear strip 15 acts to resist friction during use.

Four corners of the outer side of the nitrile rubber pipe 4 are provided with positioning convex strips 16, four corners of the inner side of the protective pipe 14 are provided with positioning grooves 17, and the positioning convex strips 16 are matched with the positioning grooves 17. The nitrile rubber pipe 4 and the protection pipe 14 are positioned to avoid slipping.

The one end of protection tube 14 is the opening, and the open-ended upper and lower end all is equipped with connection piece 18, below be equipped with inserted bar 19 on the connection piece 18, and be equipped with locking plate 20 on the inserted bar 19, locking plate 20 is trapezoidal piece, top be equipped with the mounting groove with 19 looks adaptations of inserted bar on the connection piece 18, and inserted bar 19 passes through locking plate 20 and is fixed with the mounting groove. The insertion rod 19 and the locking piece 20 are matched with the mounting groove to fix the opening of the protection tube 14, so that the protection tube 14 can be conveniently mounted and fixed outside the butadiene-acrylonitrile rubber tube 4 or replaced.

The high-temperature-resistant wire cable is characterized in that a wire core 6 is arranged in an insulating rubber tube 1, a first Teflon sleeve 2 and a second Teflon sleeve 3 are sleeved on the outer side of the insulating rubber tube to carry out double temperature-resistant protection on the wire core 6, a nitrile rubber tube 4 and a protection part are sleeved on the outer side to block heat transfer, the normal use of the cable in a high-temperature environment is ensured, the whole cable is supported under the action of a pressure-resistant tube 10, a certain supporting force is provided when side pressure is applied by utilizing the wavy structure of the cable to protect the wire core 6 on the inner side, the wire core 6 is buffered and supported in the center of the insulating rubber tube 1 by matching with an air bag strip 8, the displacement of the wire core 6 caused by pressure is avoided, the cable is more durable, meanwhile, glass fiber filling particles 12 and crystal filling particles 13 are filled between the second Teflon sleeve 3 and the nitrile rubber tube 4, the characteristics of the glass fibers and the crystal are utilized, the experience proves that the high temperature of 600-plus 850 ℃ can be blocked within 90min during burning, in addition, the cable is protected by the protective sleeve 14, friction is blocked by the aid of the wear-resistant strips 15 in cooperation with the wear-resistant strips in use, and the opening of the protective tube 14 is fixed by the aid of the insertion rods 19 and the locking pieces 20 in cooperation with the mounting grooves, so that the protective tube 14 is conveniently mounted and fixed outside the nitrile rubber tube 4 or replaced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature resistant wire and cable, includes insulating rubber tube (1), first teflon cover (2), second teflon cover (3) and butadiene acrylonitrile rubber tube (4), its characterized in that: the first Teflon sleeve (2) is sleeved on the outer side of the insulating rubber tube (1), the second Teflon sleeve (3) is sleeved on the outer side of the first Teflon sleeve (2), and the nitrile rubber tube (4) is sleeved on the outer side of the second Teflon sleeve (3);

the inside of insulating rubber tube (1) is equipped with spacer sleeve (5), and the inside of spacer sleeve (5) is equipped with sinle silk (6), the inside intermediate position department of insulating rubber tube (1) is equipped with slot (7), and the inside of slot (7) is equipped with gasbag strip (8), be equipped with clearance (9) between first teflon cover (2) and second teflon cover (3), and the inside of clearance (9) is equipped with withstand voltage pipe (10), withstand voltage pipe (10) encircle the aramid fiber pipe that sets up for the wave, it is fixed through the viscose between withstand voltage pipe (10) and first teflon cover (2), second teflon cover (3), the protection part is installed in the outside of butyl fine rubber tube (4).

2. A high temperature resistant wire cable according to claim 1, wherein: the side wall of first teflon cover (2) and second teflon cover (3) is inside all to be equipped with the installation cavity, and the installation cavity is equipped with the multiunit, the inside packing of installation cavity has PP rope (11).

3. A high temperature resistant wire cable according to claim 2, wherein: a filling groove is formed between the second Teflon sleeve (3) and the nitrile rubber tube (4), and glass fiber filling particles (12) and crystal filling particles (13) are filled in the filling groove.

4. A high temperature resistant wire cable according to claim 3, wherein: the protection portion is protection tube (14), and protection tube (14) are the epoxy hose, the outside of protection tube (14) is equipped with wear-resisting strip (15), and wear-resisting strip (15) are equipped with the multiunit.

5. The high temperature resistant wire cable of claim 4, wherein: the protective tube is characterized in that positioning convex strips (16) are arranged at four corners of the outer side of the nitrile rubber tube (4), positioning grooves (17) are arranged at four corners of the inner side of the protective tube (14), and the positioning convex strips (16) are matched with the positioning grooves (17).

6. A high temperature resistant wire cable according to claim 5, wherein: the one end of protection tube (14) is the opening, and open-ended upper and lower end all is equipped with connection piece (18), below be equipped with inserted bar (19) on connection piece (18), and be equipped with locking plate (20) on inserted bar (19), locking plate (20) are trapezoidal piece, the top be equipped with the mounting groove with inserted bar (19) looks adaptation on connection piece (18), and inserted bar (19) are fixed with the mounting groove through locking plate (20).