CN211597551U

CN211597551U - Exhaust passage for kitchen and bathroom

Info

Publication number: CN211597551U
Application number: CN202020069051.0U
Authority: CN
Inventors: 吴涧清; 程东坡
Original assignee: Hangzhou Pan Cheng Indoor Environment Technology Co ltd
Current assignee: Hangzhou Pan Cheng Indoor Environment Technology Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-29
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to an exhaust passage for kitchens and bathrooms, which consists of a plurality of sub-exhaust sections, wherein the sub-exhaust sections are also provided with at least 2 groups of bearing mounting holes for positioning, one end of each sub-exhaust section is provided with a groove, and the other end of each sub-exhaust section is provided with a tenon matched with the groove, so that the sub-exhaust sections are lapped and spliced, and the lapping parts of the sub-exhaust sections are coated with an adhesive; the sub-exhaust section comprises an inner layer, a middle layer and an outer layer which are sequentially arranged from inside to outside. Through the technical scheme, the grooves and the tenons can form tongue-and-groove structures, each layer of sub-exhaust sections can be spliced by depending on the structure of the sub-exhaust section, and the adjacent sub-exhaust sections are coated with adhesive, so that the sealing performance between the adjacent sub-exhaust sections can be ensured. The inner layer is made of smooth materials, so that air resistance in ventilation or smoke exhaust is effectively reduced, the exhaust passage can well play a smoke exhaust function, the problem of smoke leakage is avoided, and indoor air quality is guaranteed.

Description

Exhaust passage for kitchen and bathroom

Technical Field

The utility model relates to a building decoration field specifically, relates to an exhaust passage for getting rid of flue gas or the foul smell in bathroom that kitchen cooking activity produced.

Background

The exhaust duct is a chimney which is installed in a kitchen or a toilet and discharges smoke gas to an external space in a centralized way, is mainly used for discharging oil smoke gas generated in cooking activities of a residential kitchen or foul gas in the toilet, and is also called as an exhaust duct and a flue. When the air inlet flue gas is discharged into the flue, the flue gas can meet with the flue gas that the lower floor ascended, and two air flows meet and can form vortex and air curtain, and this vortex and air block the curtain and can go upward to produce the hindrance to the flue gas of lower floor, in case the fire prevention check valve is stuck by the greasy dirt and is opened when malfunctioning, the flue gas has the hindrance because of going upward, just can be to indoor string cigarette or the problem that bathroom foul smell leaks outward. And current exhaust passage material preparation is single, mostly is cement goods and metal material goods, and the exhaust passage that makes from this is whole comparatively heavily, and the installation intensity is big and the leakproofness is poor, and the problem performance of cross smoke or foul gas leakage is comparatively serious, has greatly influenced indoor air quality.

Aiming at the problems of large installation strength and poor sealing property of the exhaust passage in the prior art, a more reasonable technical scheme is required to be provided so as to solve the technical problems existing at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust passage for kitchen guarding to solve among the prior art exhaust passage leakproofness poor and lead to the technical problem of cluster cigarette cluster flavor.

In order to achieve the purpose, the utility model provides an exhaust passage for kitchens and bathrooms, which consists of a plurality of sub-exhaust sections, wherein the sub-exhaust sections are also provided with at least 2 groups of bearing mounting holes for positioning, one end of each sub-exhaust section is provided with a groove, the other end of each sub-exhaust section is provided with a tenon matched with the groove, so that the adjacent sub-exhaust sections can be spliced, and the joint of the adjacent sub-exhaust sections is coated with an adhesive; the sub-exhaust section comprises an inner layer, a middle layer and an outer layer, wherein the inner layer, the middle layer and the outer layer are sequentially arranged from inside to outside, and the middle layer is used for heat insulation and the outer layer is used for enhancing protection.

Optionally, the brace mounting hole comprises: a first bearing mounting hole disposed in the outer layer; a second bearing mounting hole, the second bearing mounting hole set in the middle layer and run through the middle layer, just the first bearing mounting hole with the second bearing mounting hole collineation.

Optionally, the sub-exhaust section has a square or circular cross-section.

Optionally, the adhesive is a flame retardant adhesive.

Alternatively, the inner layer is made of a stainless steel plate or a galvanized plate.

Optionally, the material of the inner layer is fiber reinforced plastic or engineering plastic.

Optionally, the intermediate layer is made of foamed cement, phenolic resin foam or ceramic fiber.

Optionally, the outer layer is a daub facing of a galvanized steel wire mesh or an alkali-resistant glass fiber mesh.

Optionally, the retainer mounting holes are located adjacent to the inner layer.

Through the technical scheme, the grooves and the tenons can form the tongue-and-groove structure, each layer of the sub-exhaust sections can be spliced by depending on the structure of the sub-exhaust section, and meanwhile, the sealing performance between the adjacent sub-exhaust sections can be ensured by gluing the tongue-and-groove structure (namely, gluing the adhesive on the adjacent sub-exhaust sections). Because the inner layer of the exhaust passage is smooth, the air resistance in ventilation or smoke exhaust can be effectively reduced, so that the exhaust passage can better play a role of exhausting smoke, thereby avoiding the problem of leakage of foul air and ensuring the indoor air quality. And the product quality is light, the transportation is convenient, and the installation is labour saving and time saving.

Therefore, the exhaust passage does not need to be painted, and can be directly decorated by tiling, so that the problem that the joints of the cement prefabricated exhaust passage need to be painted and sealed when smoke leaks can be solved.

When the bearing exhaust section is installed, the bearing installation hole is matched with the round steel, and one side of the sub exhaust section can be arranged on the wall surface; the screw can then be pushed against the floor by adjusting the position of the nut on the screw. Through the two-point positioning mode, the quick installation of the sub-exhaust section can be realized, and the installation efficiency of the whole exhaust section is further improved. It should be noted that the round steel passes through expansion bolts to be fixed on the wall, and when the installation, only need with the bearing mounting hole align the round steel can.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of a sub-exhaust section in an exhaust passage for a kitchen or toilet according to the present invention at a viewing angle;

FIG. 2 is a front view of a sub-exhaust section in an exhaust passage for kitchen and bath under another view angle;

FIG. 3 is a partial cross-sectional view of an exhaust section in an exhaust passage for a kitchen or toilet provided by the present invention in one embodiment;

FIG. 4 is a schematic view of an installation structure of a sub-exhaust section in an exhaust passage for kitchen and toilet according to the present invention at a viewing angle;

fig. 5 is a schematic view of an installation structure of a sub-exhaust section in an exhaust passage for kitchens and bathrooms, under another viewing angle.

Description of the reference numerals

1-sub exhaust section, 11-inner layer, 12-middle layer, 13-outer layer, 2-groove, 3-tenon, 4-bearing mounting hole, 5-wall surface, 6-floor, 71-screw rod, 72-nut, 73-round steel, 74-expansion bolt and 75-angle iron.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

It is to be understood that in the description of the present invention, the terms "upper", "vertical", "inner", "outer", and the like, refer to an orientation or positional relationship that is conventionally used to place the disclosed product in use, or that is conventionally understood by those skilled in the art, and are used merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details.

According to the specific implementation mode of the utility model, an exhaust passage for kitchen and bathroom is provided, can be used to the occasion that needs exhaust such as kitchen or bathroom. Fig. 1 to 5 show one specific embodiment thereof.

As shown in fig. 1 to 5, the exhaust passage for kitchens and bathrooms is composed of a plurality of sub-exhaust sections 1, and at least 2 supporting mounting holes 4 for positioning are further arranged on the sub-exhaust sections 1, so that the exhaust passage is convenient to fix on a wall or other base bodies. One end of each sub-exhaust section is provided with a groove 2, and the other end of each sub-exhaust section is provided with a tenon 3 matched with the groove 2, so that the adjacent sub-exhaust sections can be lapped and spliced, and the lapping part of the adjacent sub-exhaust sections is coated with an adhesive; the sub-exhaust section 1 comprises an inner layer 11 for ventilation and smoke exhaust, an intermediate layer 12 for heat insulation and an outer layer 13 for enhanced protection, which are arranged from inside to outside in sequence.

Through the technical scheme, the grooves 2 and the tenons 3 can form a tongue-and-groove structure, so that each layer of the sub-exhaust sections 1 can be spliced by depending on the structure of the sub-exhaust sections, and meanwhile, the tongue-and-groove is glued (namely flame-retardant sealant is coated on the grooves 2 and the tenons 3 of the single exhaust passage), so that the sealing performance between the adjacent sub-exhaust sections 1 can be ensured. Because the inner layer 11 of the exhaust passage is smooth, the air resistance in ventilation or smoke exhaust can be effectively reduced, the exhaust passage can better play the function of exhausting smoke, the problem of turbid air leakage is avoided, and the indoor air quality is ensured. And the product quality is light, the transportation is convenient, and the installation is labour saving and time saving. Therefore, the exhaust passage does not need to be painted, and can be directly decorated by tiling, so that the problem that the joints of the cement prefabricated exhaust passage need to be painted and sealed when smoke leaks can be solved.

In the utility model, as shown in fig. 5, the bearing mounting hole 4 is matched with the round steel 73, and one side of the sub-exhaust section 1 can be arranged on the wall surface 5; the position of the screw rod 71 relative to the sub-exhaust section 1 can be adjusted by adjusting the nut 72, and because the angle iron 75 is arranged on the floor 6, the end part of the screw rod 71 is abutted against and welded on the angle iron 75, and the quick installation can be carried out by utilizing two-point positioning, thereby realizing the installation of the sub-exhaust section 1 and improving the installation efficiency of the whole exhaust section 1. It should be noted that the round steel is fixed on the wall surface 5 through the expansion bolt 74, and when the installation is carried out, only the bearing mounting hole 4 needs to be aligned with the round steel, so that the installation efficiency of the sub-exhaust section 1 is improved. In addition, the positioning through the angle iron 75 is beneficial to improving the reliability of the positioning of the sub-exhaust section 1 and the floor 6. In other embodiments, the screw 71 may also directly abut against the floor 6, which may be determined according to actual construction conditions, and the present invention does not limit this.

In one embodiment, the support mounting hole 4 comprises: a first bearing mounting hole provided in the outer layer 13; second bearing mounting hole, second bearing mounting hole set up in intermediate level 12 runs through intermediate level 12, just first bearing mounting hole with second bearing mounting hole collineation to make bearing mounting hole 4 can with screw rod 71 and the better cooperation of round steel 73, so that install sub-exhaust section 1 on wall 5 and floor 6.

In a specific embodiment of the present invention, the cross section of the sub-exhaust section 1 is square or circular. Therefore, the smoke can be rapidly and smoothly discharged, and the smoke is convenient to install on a wall body.

Alternatively, the adhesive is a flame retardant adhesive. The flame-retardant adhesive is composed of inorganic raw materials such as aluminum phosphate, magnesium silicate, sodium silicate, a fire retardant, an inorganic polymer polymerization agent and the like, and is an inorganic polymer adhesive formed by high-temperature high-pressure polymerization. The flame-retardant adhesive product has good physical and mechanical properties and electrical properties, and also has good flame retardance and self-extinguishing property, and is particularly suitable for environments with special requirements on temperature, such as kitchens and toilets.

In one embodiment of the present invention, the inner layer 11 is made of stainless steel plate or galvanized plate. Because the surface of the galvanized steel sheet is coated with a layer of metal zinc, the surface of the steel sheet can be effectively prevented from being corroded, the service life of the exhaust passage can be ensured, and the exhaust passage is safe and reliable. Also, the stainless steel plate is also effective in preventing rust, which effectively ensures the life of the inner layer 11.

Alternatively, the material of the inner layer 11 is fiber reinforced plastic or engineering plastic. The fiber reinforced plastic is also called glass fiber reinforced plastic, has the characteristics of light weight, high strength, corrosion resistance, slow heat transfer and good thermal insulation, has good instantaneous ultrahigh temperature resistance, and is particularly suitable for environments with special requirements on temperature, such as kitchens and toilets. The engineering plastic is an industrial plastic used as an industrial part or a housing material, and has the characteristics of high strength, good impact resistance, good heat resistance and excellent aging resistance. The two materials are used on the exhaust passage, so that the weight of the exhaust pipe can be effectively reduced, the service life is long, and the exhaust pipe has better practicability.

In the present invention, the intermediate layer 12 is made of foam cement, phenolic resin foam or ceramic fiber. The foaming cement is a novel light heat-insulating material containing a large number of closed air holes, which is formed by fully foaming a foaming agent in a mechanical mode through a foaming system of a foaming machine, uniformly mixing foam and cement slurry, then carrying out cast-in-place construction or mould forming through a pumping system of the foaming machine and carrying out natural maintenance. The material is used as the intermediate layer 12, so that the weight of the exhaust passage can be effectively reduced, and the heat preservation effect can be achieved. Of course, in other embodiments, the intermediate layer 12 may also be made of polyurethane foam. The polyurethane rigid foam is a high molecular polymer which is prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like and foaming on site through high-pressure spraying, and can also play roles in heat preservation and weight reduction. The ceramic fiber is a fibrous light refractory material, and has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small specific heat, mechanical shock resistance and the like. Under the technical idea of the present invention, the skilled person can choose the material of the intermediate layer 12 flexibly.

As shown in fig. 1 to 5, in the present exemplary embodiment, the outer layer 13 is a plaster facing provided with a galvanized steel wire mesh or an alkali-resistant glass fiber mesh. Based on the corrosion-resistant characteristics of galvanized steel wire net, can effectively guarantee the life of exhaust passage. Of course, the outer layer 13 can also be an alkali-resistant glass fiber net, and based on the characteristics of large flexibility and light weight, the construction is easy, the weight of the exhaust passage can be effectively reduced, and the installation problem is solved.

In the present invention, as shown in fig. 4, the bearing mounting hole 4 is close to the inner layer 11. In this way, the amount of deformation of the intermediate layer 12 can be reduced, and the sub-exhaust section 1 can be stably and reliably supported by the support mounting hole 4.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The exhaust passage for kitchens and bathrooms is characterized by comprising a plurality of sub-exhaust sections (1), wherein the sub-exhaust sections (1) are also provided with at least 2 groups of supporting mounting holes (4) for positioning, one end of each sub-exhaust section is provided with a groove (2), the other end of each sub-exhaust section is provided with a tenon (3) matched with the groove (2), so that the adjacent sub-exhaust sections can be spliced, and the joint of the adjacent sub-exhaust sections is coated with an adhesive; the sub-exhaust section (1) comprises an inner layer (11) for ventilation and smoke exhaust, an intermediate layer (12) for heat insulation and an outer layer (13) for enhanced protection, which are sequentially arranged from inside to outside.

2. Exhaust duct for kitchens and bathrooms as claimed in claim 1, characterized in that said supporting mounting hole (4) comprises:

a first bearing mounting hole provided in the outer layer (13);

a second bearing mounting hole, the second bearing mounting hole set in the middle layer (12) and run through the middle layer (12), and the first bearing mounting hole and the second bearing mounting hole are collinear.

3. Exhaust duct for kitchens and bathrooms as claimed in claim 1, wherein said sub-exhaust section (1) has a square or circular cross section.

4. The exhaust duct for kitchen and bathroom as claimed in claim 1, wherein said adhesive is a flame retardant adhesive.

5. Exhaust duct for kitchens and bathrooms as claimed in claim 1, characterized in that said inner layer (11) is made of stainless steel sheet or galvanized sheet.

6. Exhaust duct for kitchen and bath according to claim 1, characterized in that the material of the inner layer (11) is fiber reinforced plastic or engineering plastic.

7. Exhaust duct for kitchens and bathrooms as claimed in claim 1, characterized in that said intermediate layer (12) is made of foamed cement, phenolic resin foam or ceramic fiber.

8. Exhaust passage for kitchens and bathrooms as claimed in claim 1, wherein said outer layer (13) is a daub facing of galvanized steel wire mesh or alkali-resistant glass fiber mesh.

9. Exhaust duct for kitchens and bathrooms as claimed in claim 1, characterised in that said support mounting hole (4) is close to said inner layer (11).