CN219513725U - Fire-resistant protection power tube - Google Patents

Abstract

The utility model relates to the field of pipe fittings, in particular to a fire-resistant protective power pipe, which comprises a pipe body, wherein the pipe body is of a composite pipe structure, the pipe body sequentially comprises an inner pipe and an outer pipe from inside to outside, the pipe body comprises a bending area and an extending area, a fire-resistant layer is embedded in the inner pipe, and a flame-retardant frame is sleeved on the outer circumferential surface of the pipe body.

Description

Fire-resistant protection power tube

Technical Field

The utility model relates to the field of pipe fittings, in particular to a fire-resistant protection power pipe.

Background

The power tube is compared with a conventional pipeline, and has the following characteristics: 1. the texture is light: CPVC has a density of 1350-1500KG/M3, a weight of 1/10 of that of the same type of pressure pipe and 1/6 of that of the steel pipe, and is convenient to transport and install; 2. the construction is convenient, and the economic benefit is remarkable: CPVC high-voltage power supply pipe joint, waterproof sealing circle, support etc.. The design is reasonable, the construction is convenient, a concrete protective layer does not need to be poured, the brackets are connected by adopting combination, the construction period is shortened, no radioactive carcinogen exists, and obvious economic and social benefits are achieved; 3. excellent corrosion resistance: CPVC is resistant to corrosion by chemical solvents such as acid, alkali, salt and the like, and does not crack when meeting grease; 4. high strength, flame retardance, smoke suppression, heat resistance and long service life: CPVC high voltage power supply pipe has completely overcome the shortcoming that ordinary PVC pipe weatherability is poor. The strength of the cable can replace a steel pipe, and the phenomenon that the steel pipe is easy to corrode and form a closed magnetic circuit to cause the damage of the single-core cable due to overhigh temperature is overcome; the CPVC pipe has the flame retardant rating of FV-0, can not burn per se, is extinguished after being separated from fire, has an oxygen index of 40% or more, basically does not transfer heat, has a linear expansion coefficient of 6.3 x 10 < -5 > CM/CM DEG Vicat softening temperature of 93 ℃ or more, and can be used at a temperature of 105 ℃; 5. the cost performance is superior: CPVC pipe is lower than the same kind of cement pressure pipe by 20% and the comprehensive cost can be reduced by 15%.

The utility model patent of China patent application number 201921216044.2 discloses a fire-resistant protection power tube, including power tube main part and fixed establishment, the power tube main part includes pipeline, fire-retardant layer, insulating layer and separation frame, and the inner wall of pipeline is closely pasted and is had fire-retardant layer, the inner wall on fire-retardant layer is closely pasted and is had the insulating layer, and the inner wall on insulating layer is connected with the separation frame, the inside of power tube main part is provided with the circuit, and the front end of power tube main part is connected with the connecting pipe, fixed establishment is located the outer wall of power tube main part, and the pipeline is inside to be provided with insulating layer and fire-retardant layer, is favorable to the promotion of the heat resistance of power tube pipeline, prevents to produce the problem that leads to the pipeline damage because of the circuit temperature is too high, and the constitution material of insulating layer is modified polyethylene, has overcome the poor defect of weatherability, and the device has a dismantlement structure, and fixed subassembly passes through bolt constitution detachable construction between the screw mouth, has solved the problem that the focus is sagged because of the pipeline leads to, and the installation construction in the overlength later stage is convenient. The existing power tube and the power tube provided by the utility model are easy to have the technical problem of poor fire resistance in the use process, and the problem of short service life is easy to be caused if the power tube has poor performance because the power tube is used in different severe environments.

Disclosure of Invention

Therefore, in order to solve the problems, the utility model provides a fire-resistant protection power tube, which solves the technical problems that the existing power tube has poor fire resistance and is difficult to adapt to severe environments.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fire-resistant protection power tube, includes the body, the body is compound tubular construction, the body includes inner tube and outer tube from inside to outside in proper order, the body includes bending zone and extension area, the inner tube is embedded to be equipped with the flame retardant coating, the cover is equipped with fire-retardant frame on the outer circumference surface of body.

Further, the bending region is arranged between the two extending regions, the pipe body comprises a plurality of bending regions and a plurality of extending regions, and the distance between two adjacent bending regions is 30-50cm.

Further, the bending area is a wave-shaped pipe, and the included angle between two adjacent extension areas can be changed between 0 degrees and 180 degrees.

Further, fire-retardant frame includes fire-retardant frame and lower fire-retardant frame, go up fire-retardant frame with lock through the screw between the fire-retardant frame down, go up fire-retardant frame including last clamp, first connecting plate and first backup pad, go up the clamp first connecting plate first backup pad three integrated into one piece, first connecting plate with first backup pad two mutually perpendicular, be provided with first through-hole on the first connecting plate, fire-retardant frame includes clamp, second connecting plate and second backup pad down, lower clamp second connecting plate second backup pad three integrated into one piece, be provided with the second through-hole on the second connecting plate.

Further, the vertical section of the second supporting plate is V-shaped, the second supporting plate comprises a left plate and a right plate, and an included angle between the left plate and the right plate is 100-120 degrees.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the pipe body is arranged as the composite pipe and comprises the inner pipe and the outer pipe, compared with a common single-layer pipe, the pipe body has better pressure resistance through the cooperation of the inner pipe and the outer pipe, the pipe body comprises the bending area and the extension area, the bending area can provide good bending performance for the pipe body, the pipe body can be further adapted to different environments, and the pipe can be directly bent through the bending area without other connecting pieces when being required to be bent; the inner pipe is embedded with a fireproof layer which is made of asbestos, so that the cost is reasonably controlled and the fireproof performance of the power pipe is enhanced; the outer circumference surface of the pipe body is sleeved with the flame-retardant frame, and the pipe body of the power pipe can not directly contact with the surrounding environment through the flame-retardant frame, so that the power pipe can be protected on one hand, and the power pipe body and a fire source can be isolated under emergency conditions on the other hand.

2. The bending areas are arranged between the two extending areas, the pipe body comprises a plurality of bending areas and a plurality of extending areas, and the distance between two adjacent bending areas is 30-50cm; the pipe body is formed by matching a plurality of bending areas with a plurality of extending areas, the specific number is determined by the actual length of the pipe body, and the pipe body can be bent at the position of each bending area according to the requirement.

3. The bending area is a wave-shaped pipe, the included angle between two adjacent extending areas can be changed between 0 degrees and 180 degrees, and the bending range of the large angle can enable the power pipe body to adapt to most environments without cutting and bending the pipe body.

4. The flame retardant rack comprises an upper flame retardant rack and a lower flame retardant rack, the upper flame retardant rack and the lower flame retardant rack are locked through screws, the upper flame retardant rack comprises an upper clamp, a first connecting plate and a first supporting plate, the upper clamp, the first connecting plate and the first supporting plate are integrally formed, the first connecting plate and the first supporting plate are mutually perpendicular, a first through hole is formed in the first connecting plate, the lower flame retardant rack comprises a lower clamp, a second connecting plate and a second supporting plate, the lower clamp, the second connecting plate and the second supporting plate are integrally formed, and a second through hole is formed in the second connecting plate; the flame retardant rack comprises an upper flame retardant rack and a lower flame retardant rack, the two aims are to enable a gap to be formed between the pipe body and the surrounding environment, the pipe body is protected, a fire source can be isolated, and the first through hole and the second through hole are arranged to enable materials to be simplified while the supporting performance is not reduced, so that the cost is saved.

5. The vertical section of the second supporting plate is V-shaped, the second supporting plate comprises a left plate and a right plate, and an included angle between the left plate and the right plate is 100-120 degrees; the second backup pad is as the component part of fire-retardant frame down, and the gravity of body is mainly used in the second backup pad, sets up it into V-arrangement structure, can promote its and the cooperation degree of surrounding environment, accomplishes more stably.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the pipe body of the present utility model;

FIG. 3 is a schematic view of the front structure of the flame retardant rack of the present utility model;

FIG. 4 is a schematic side view of a flame retardant rack of the present utility model.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1 to 4, the first embodiment provides a fire-resistant protection power tube, including a tube body 1, the tube body 1 is a composite tube structure, the tube body 1 sequentially includes an inner tube 14 and an outer tube 13 from inside to outside, the tube body 1 includes a bending region 12 and an extension region 11, a fire-resistant layer 15 is embedded in the inner tube 13, a fire-resistant frame 2 is sleeved on the outer circumferential surface of the tube body 1, wherein the fire-resistant layer 15 is made of an asbestos net material, and is directly embedded in the outer tube 13 during the thermoplastic molding process of the outer tube 13, the bending region 12 is disposed between the two extension regions 11, the tube body 1 includes a plurality of bending regions 12 and a plurality of extension regions 11, a distance between two adjacent bending regions is 30cm, the actual number of the bending regions 12 and the extension regions 11 is specifically determined according to the length of the tube body 1, only a partial section is shown in the embodiment and the drawing, the bending region 12 is a wavy tube, the bending region 12 can change the included angle between two adjacent extending regions 11 between 0-180 degrees, the flame retardant rack 2 comprises an upper flame retardant rack 21 and a lower flame retardant rack 22, the upper flame retardant rack 21 and the lower flame retardant rack 22 are locked by screws, the upper flame retardant rack 21 comprises an upper clamp 211, a first connecting plate 212 and a first supporting plate 213, the upper clamp 211, the first connecting plate 212 and the first supporting plate 213 are integrally formed, the first connecting plate 212 and the first supporting plate 213 are mutually perpendicular, a first through hole 214 is arranged on the first connecting plate 212, the lower flame retardant rack 22 comprises a lower clamp 221, a second connecting plate 222 and a second supporting plate 223, the lower clamp 221, the second connecting plate 222 and the second supporting plate 223 are integrally formed, a second through hole 224 is arranged on the second connecting plate 222, the vertical section of the second support plate 223 is V-shaped, the second support plate 223 includes a left plate 2231 and a right plate 2232, and an included angle between the left plate 2231 and the right plate 2232 is 100 °, which may be adjusted between 100 ° and 120 °, such as 110 ° or 120 °, or other values within this range during actual production.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (5)

1. The utility model provides a fire-resistant protection power tube, includes body, its characterized in that: the pipe body is compound tube structure, the pipe body includes inner tube and outer tube from inside to outside in proper order, the pipe body includes bending zone and extension district, the inner tube is embedded to be equipped with the flame retardant coating, the cover is equipped with fire-retardant frame on the outer circumference surface of pipe body.

2. A fire resistant protective power tube as claimed in claim 1, wherein: the bending region is arranged between the two extending regions, the pipe body comprises a plurality of bending regions and a plurality of extending regions, and the distance between two adjacent bending regions is 30-50cm.

3. A fire resistant protective power tube as claimed in claim 2, wherein: the bending area is a wave-shaped pipe, and the included angle between two adjacent extension areas can be changed between 0 degrees and 180 degrees.

4. A fire resistant protective power tube according to any one of claims 1-3, characterized in that: the flame retardant rack comprises an upper flame retardant rack and a lower flame retardant rack, the upper flame retardant rack and the lower flame retardant rack are locked through screws, the upper flame retardant rack comprises an upper clamp, a first connecting plate and a first supporting plate, the upper clamp, the first connecting plate and the first supporting plate are integrally formed, the first connecting plate and the first supporting plate are mutually perpendicular, a first through hole is formed in the first connecting plate, the lower flame retardant rack comprises a lower clamp, a second connecting plate and a second supporting plate, the lower clamp, the second connecting plate and the second supporting plate are integrally formed, and a second through hole is formed in the second connecting plate.

5. A fire resistant protective power tube as defined in claim 4, wherein: the vertical section of the second supporting plate is V-shaped, the second supporting plate comprises a left plate and a right plate, and an included angle between the left plate and the right plate is 100-120 degrees.