CN218468449U - High-temperature-resistant noise-reduction telescopic pipe for range hood - Google Patents

Abstract

The utility model discloses a flexible pipe of making an uproar falls in lampblack absorber high temperature resistant, just be equipped with a plurality of heat insulating ball along circumference between inner casing and the outer pillar, be equipped with the vacuum cavity in the heat insulating ball, the space intussuseption that forms between inner casing, heat insulating ball, the outer pillar is filled and is equipped with the sound cotton of inhaling, the heat insulating ball lateral surface is equipped with the polyurethane anticorrosive coating, the inner casing includes interior aluminium lamination, interior aluminium lamination surface is equipped with the carbon fiber layer, the carbon fiber layer lateral surface is equipped with the nylon fiber layer, the outer pillar includes outer aluminium lamination, outer aluminium lamination internal surface is equipped with the heat preservation, be equipped with the enhancement layer in the heat preservation, the enhancement layer is woven for basalt fiber and carbon fiber warp and weft respectively and forms, the heat insulating ball is located between enhancement layer and the nylon fiber layer, it is equipped with the coating that prevents frostbite to be equipped with the outer pillar surface. The advantages are that: the heat-resistant heat-insulating noise-reducing composite material can resist heat, insulate heat and reduce noise, and has long service life.

Description

High-temperature-resistant noise-reduction telescopic pipe for range hood

Technical Field

The utility model relates to a flexible pipe technical field specifically indicates a range hood is with high temperature resistant flexible pipe of making an uproar that falls.

Background

The telescopic pipe can be freely stretched and bent, and occupies a small space when in use, so the telescopic pipe is often used in a range hood, and after the range hood absorbs oil smoke, the oil smoke is exhausted through the telescopic pipe. The range hood absorbs not only oil smoke but also vapor when working, so that high-temperature fluid in the oil smoke and vapor processes is less than that of a telescopic pipe conveying normal-temperature gas after the telescopic pipe conveys the high-temperature fluid for a long time, and the fluid generates noise when passing through the telescopic pipe and affects indoor and outdoor environments.

SUMMERY OF THE UTILITY MODEL

The utility model provides an foretell technical problem, provide a flexible pipe new technology of heat-resisting noise reduction.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a flexible pipe of making an uproar falls in high temperature resistant for lampblack absorber, includes outer pillar and is located the inner casing of outer pillar, be equipped with a plurality of heat-insulating ball between inner casing and the outer pillar and along circumference, be equipped with the vacuum cavity in the heat-insulating ball, closely fixed connection between the adjacent heat-insulating ball, the space intussuseption that forms between inner casing, heat-insulating ball, the outer pillar is filled and is equipped with the sound cotton of inhaling, heat-insulating ball lateral surface is equipped with the polyurethane anticorrosive coating, the inner casing includes interior aluminium lamination, interior aluminium lamination surface is equipped with the carbon fiber layer, the carbon fiber layer lateral surface is equipped with the nylon fiber layer, the outer pillar includes outer aluminium lamination, outer aluminium lamination internal surface is equipped with the heat preservation, be equipped with the enhancement layer in the heat preservation, the enhancement layer is woven for basalt fiber and carbon fiber respectively for the longitude and latitude line to form, heat-insulating ball is located between enhancement layer and the nylon fiber layer, it is equipped with the coating of preventing frostbite to make flexible pipe through above structure according to flexible pipe's manufacture technology.

Compared with the prior art, the utility model the advantage lie in: the setting of coating the outermost layer of the product of the utility model with the one-layer anti-freezing coating can further improve the cold-resistant and anti-freezing effects, the setting of the volume heat-insulating layer also avoids the overflow of the temperature of the high-temperature fluid to be conveyed, the increase of the temperature around the range hood is avoided, the set polyurethane anti-corrosion layer can enhance the corrosion resistance, the weather resistance is strong, the service life of the product of the utility model can be prolonged, especially, the possible position of the telescopic pipe can be positioned outdoors, and the damage caused by wind, rain, sunshine and sunshine can be caused; the carbon fiber layer and the nylon fiber layer are mutually matched, so that the compressive strength of the product of the utility model is improved, and the product of the utility model can well adapt to thermal expansion and cold contraction; the vacuum cavity of the arranged heat insulation ball has good heat insulation and sound insulation effect, and the heat insulation ball is matched with sound absorption cotton to greatly improve the noise reduction effect.

Furthermore, the heat insulation ball is a hollow ball body made of polyurethane materials, and the polyurethane has the advantages of wear resistance, water resistance, good air tightness, heat insulation, heat preservation and cold insulation.

Furthermore, the heat-insulating layer comprises an aluminum silicate fiber material layer, a foam plastic layer is arranged between the aluminum silicate fiber material layer and the outer aluminum layer, and the aluminum silicate fiber is a novel light refractory material and has the advantages of light volume weight, high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity, good mechanical vibration resistance, small thermal expansion, good heat insulation performance and the like; the foam plastic is plastic which is made of resin as a main raw material and has countless micropores inside, and has excellent buffering and damping performance, sound insulation and absorption performance, low heat conductivity and good heat insulation performance.

Furthermore, the heat insulation ball is fixedly connected with the reinforcing layer and the nylon fiber layer.

Further, the anti-freezing coating is a linear epoxy anti-freezing finish paint.

Drawings

Fig. 1 is the internal structure schematic diagram of the high temperature resistant noise reduction telescopic tube for range hood of the present invention.

Fig. 2 is the overall external structure schematic diagram of the high temperature resistant noise reduction telescopic tube for range hood.

As shown in the figure: 1. the heat insulation structure comprises an outer protective pipe, 2, an inner protective pipe, 3, a heat insulation ball, 4, a vacuum cavity, 5, sound absorption cotton, 6, a polyurethane anti-corrosion layer, 7, an inner aluminum layer, 8, a carbon fiber layer, 9, a nylon fiber layer, 10, an outer aluminum layer, 11, a heat insulation layer, 12, a reinforcing layer, 13, an anti-freezing coating, 14, an aluminum silicate fiber material layer, 15 and a foam plastic layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the accompanying drawings 1 and 2, a high-temperature-resistant noise-reduction telescopic pipe for a range hood comprises an outer protecting pipe 1 and an inner protecting pipe 2 located in the outer protecting pipe 1, a plurality of heat insulation balls 3 are arranged between the inner protecting pipe 2 and the outer protecting pipe 1 along the circumferential direction, vacuum cavities 4 are arranged in the heat insulation balls 3, adjacent heat insulation balls 3 are fixedly connected in a tight mode, sound absorption cotton 5 is filled in gaps among the inner protecting pipe 2, the heat insulation balls 3 and the outer protecting pipe 1, a polyurethane anticorrosive layer 6 is arranged on the outer side face of each heat insulation ball 3, each inner protecting pipe 2 comprises an inner aluminum layer 7, a carbon fiber layer 8 is arranged on the outer surface of each inner aluminum layer 7 and has the characteristics of high temperature resistance, friction resistance, corrosion resistance and the like, a nylon fiber layer 9 with good elasticity is arranged on the outer side face of each carbon fiber layer 8, the outer protecting pipe 1 comprises an outer aluminum layer 10, a heat insulation layer 11 is arranged on the inner surface of the outer aluminum layer 10, a reinforcing layer 12 is arranged in the heat insulation layer 11, the reinforcing layer 12 is arranged on the inner surface of the reinforcing layer 12, rock fibers and the carbon fibers are respectively woven by warps, the heat insulation balls 3 are located between the nylon fiber layer 12 and the nylon fiber layer 9, and the outer protecting pipe 1 is provided with an anti-freezing coating 13. The heat insulation ball 3 is a hollow ball body made of polyurethane material, and the polyurethane has the advantages of wear resistance, water resistance, good air tightness, heat insulation, heat preservation and cold insulation; the heat-insulating layer 11 comprises an aluminum silicate fiber material layer 14, a foam plastic layer 15 is arranged between the aluminum silicate fiber material layer 14 and an outer aluminum layer 10, and aluminum silicate fiber is a novel light refractory material and has the advantages of light volume weight, high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity, good mechanical vibration resistance, small thermal expansion, good heat insulation performance and the like; the foamed plastic is plastic which is made of resin as a main raw material and is internally provided with countless micropores, and has excellent buffering and damping performance, sound insulation and absorption performance, low heat conductivity and good heat insulation performance; the heat insulation ball 3 is fixedly connected with the reinforcing layer 12 and the nylon fiber layer 8; the anti-freezing coating 13 is linear epoxy anti-freezing finish paint, the telescopic pipe is manufactured by the structure according to the manufacturing process of the telescopic pipe, and preferably, a heat insulation ball is not arranged in the expansion joint of the telescopic pipe, so that the outer protective pipe 1 and the inner protective pipe 2 can be manufactured into the telescopic pipe.

The utility model discloses when the concrete implementation, the utility model discloses the product is outmost scribbled the setting of bowing one deck linear epoxy anti-freezing finish paint and is scribbled can further improve cold-resistant, frost-proof effect, sets up the heat preservation and also avoids the high temperature fluid temperature of carrying to overflow, avoids increasing the temperature around installing the lampblack absorber, and the polyurethane anticorrosive coating of setting can strengthen to corrosion resistance, and the weatherability is strong, can prolong the utility model discloses the life of product, especially flexible pipe possible department use can be located outdoor always, and such structure can receive the wind and rain and hit the impetus of sunshine and shine; the carbon fiber layer and the nylon fiber layer are matched with each other, so that the compressive strength of the product of the utility model is improved, the product of the utility model can well adapt to thermal expansion and cold contraction and is beneficial to expansion and deformation; the heat insulating ball that sets up, its vacuum cavity not only insulate against heat, and its sound insulation effect is also good, improves noise reduction effect greatly with inhaling the cotton cooperation of sound, consequently uses the utility model discloses the product can be heat-resisting, insulate against heat, fall and make an uproar, long service life is worth using widely.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (5)

1. The utility model provides a range hood is with flexible pipe of making an uproar that falls of high temperature resistant which characterized in that: including outer pillar (1) and inner casing (2) that is located outer pillar (1), be equipped with a plurality of thermal-insulated ball (3) between inner casing (2) and outer pillar (1) and along circumference, be equipped with vacuum cavity (4) in thermal-insulated ball (3), inseparable fixed connection between adjacent thermal-insulated ball (3), the space intussuseption between inner casing (2), thermal-insulated ball (3), outer pillar (1) is filled and is equipped with sound absorption cotton (5), thermal-insulated ball (3) lateral surface is equipped with polyurethane anticorrosive coating (6), inner casing (2) are including interior aluminium lamination (7), interior aluminium lamination (7) surface is equipped with carbon fiber layer (8), carbon fiber layer (8) lateral surface is equipped with nylon fiber layer (9), outer pillar (1) is including outer aluminium lamination (10), outer aluminium lamination (10) internal surface is equipped with heat preservation (11), be equipped with in heat preservation (11), enhancement layer (12) are woven for basalt fiber and carbon fiber respectively for the longitude and latitude line and form, thermal-latitude thermal-insulated ball (3) are located enhancement layer (12) and nylon fiber layer (9), outer pillar (1) surface is equipped with frostproofing coating (13).

2. The high temperature resistant noise reduction telescopic tube for the range hood according to claim 1, characterized in that: the heat insulation ball (3) is a hollow ball body made of polyurethane materials.

3. The high temperature resistant noise reduction telescopic tube for the range hood according to claim 1, characterized in that: the heat-insulating layer (11) comprises an aluminum silicate fiber material layer (14), and a foam plastic layer (15) is arranged between the aluminum silicate fiber material layer (14) and the outer aluminum layer (10).

4. The high temperature resistant noise reduction telescopic tube for the range hood according to claim 1, characterized in that: the heat insulation ball (3) is fixedly connected with the reinforcing layer (12) and the nylon fiber layer (9).

5. The high temperature resistant noise reduction telescopic tube for the range hood according to claim 1, characterized in that: the anti-freezing coating (13) is a linear epoxy anti-freezing finish paint coating.

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