Prefabricated rectangular double-layer stainless steel heat preservation oil smoke exhaust pipeline assembly structure

Abstract

The assembly structure comprises standard sections, first connecting plates are arranged on the two sides of the lower portions of the standard sections in the longitudinal direction of the standard sections, the connecting plates are connected with a top plate through hoisting assemblies, and the adjacent standard sections are connected through second connecting plates in a welded mode. The assembly structure is low in installation cost, the adjacent standard sections are connected in a welded mode, and the overall sealing performance of the oil smoke exhaust pipeline is better. The hoisting assembly connects the standard section and the top plate through the first connecting plates on the two sides of the bottom of the standard section, connection is more stable, and the oil smoke exhaust pipeline is more stable in the using process and not prone to shaking.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of exhaust fume air ducts, in particular to a prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure. BACKGROUND

[0002] The exhaust fume air duct is a kind of duct device for discharging the eye and waste gas generated in the cooking process of the kitchen. It is widely used in various construction projects, such as restaurants, hotels, hotels, factories, shopping malls and office buildings.

[0003] Most of the existing exhaust fume air ducts are single-layer structures made of white iron or black steel. When connecting adjacent exhaust fume air ducts, flange connection is used. The flange connection needs to use gaskets and bolts, and the manufacturing and installation costs of these components are high. During installation and use, they may be damaged, resulting in a decrease in sealing performance and an increase in the risk of oil fume leakage. CONTENT OF THE UTILITY MODEL

[0004] Therefore, it is necessary to provide a prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure to overcome the defects mentioned in the background art.

[0005] A prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure comprises a standard section, the lower part of the standard section is provided with a first connecting plate on both sides along the longitudinal direction thereof, the connecting plate is connected with a top plate through a hoisting assembly, and adjacent standard sections are connected through a second connecting plate.

[0006] As a preferred embodiment of the prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure, the standard section comprises an inner layer, glass wool and an outer layer arranged in sequence from inside to outside.

[0007] As a preferred embodiment of the prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure, the middle part of the standard section is provided with an annular reinforcing rib along the annular direction thereof, and the annular reinforcing rib is provided with a supporting rod.

[0008] As a preferred embodiment of the prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure, the inner layer of the connecting side of the standard section is provided with an extended welding section.

[0009] As a preferred embodiment of the prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure, the hoisting assembly comprises a hoisting support, the cross section of the hoisting support is L-shaped, one side limb plate thereof is connected with the first connecting plate, and the other side limb plate thereof is connected with the top plate through a hoisting rod.

[0010] As a preferred embodiment of the prefabricated rectangular double-layer stainless steel heat-insulated exhaust fume air duct assembly structure, the hoisting support is provided with an inclined brace.

[0011] The utility model discloses the beneficial effect of:

[0012] The assembly structure of the utility model discloses low installation cost, and the welding connection is used between the adjacent standard sections, and the whole smoke exhaust pipeline is better in the airtightness. The hoisting assembly connects the standard section and the top plate through the first connecting plate of the both sides of the bottom of the standard section, and the connection is more stable, and the smoke exhaust pipeline is more stable in the use process, and is not easy to shake. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0014] Fig. 1 It is the longitudinal section schematic view of the standard section in the embodiment of the present application;

[0015] Fig. 2 It is the longitudinal section schematic view when the standard section in the embodiment of the present application is connected;

[0016] Fig. 3 It is the structure schematic view of the standard section in the embodiment of the present application and the top plate connected through the hoisting assembly;

[0017] EXPLANATION OF REFERENCE NUMERALS

[0018] 1, first connecting plate;

[0019] 2, second connecting plate;

[0020] 3, inner layer;

[0021] 4, glass wool;

[0022] 5, outer layer;

[0023] 6, annular reinforcing rib;

[0024] 7, support rod;

[0025] 8, extension welding section;

[0026] 9, hoisting support;

[0027] 10, suspender;

[0028] 11, inclined strut. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more clear and understandable, the detailed description of the embodiments of the present application is made below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in many different ways from what is described herein, and with many different combinations of elements, and the present application is not limited to the embodiments described below, and can be practiced with modifications and alterations within the scope of the present application, which can be appreciated by those skilled in the art without departing from the spirit of the present application.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and 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 cannot be understood as a limitation of the present application.

[0031] In addition, the terms "first", "second", "third" and the like are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" and "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0032] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In the present application, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0034] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a member is referred to as being "coupled" or "connected" to another member, it can be directly coupled or connected to the other member or intervening members can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Expressions such as "at least one of," when preceding the syllables of a list of elements, modify the entire list of elements and do not modify the elements individually.

[0035] Embodiment

[0036] The embodiment provides a prefabricated rectangular double-layer stainless steel heat-insulating exhaust fume pipeline assembly structure, which comprises a standard section and a hoisting assembly. Figs. 1 to 3 As shown in the figure, the standard section is provided with a first connecting plate 1 on both sides of the lower part along the longitudinal direction, and the hoisting assembly is connected with the top plate through the first connecting plate 1, and the adjacent standard sections are connected through the second connecting plate 2.

[0037] The standard section is in the shape of a rectangle as a whole, and is provided with a through exhaust fume channel along the longitudinal direction, the exhaust fume channel comprises an inner layer 3 and an outer layer 5 from inside to outside in sequence, and glass wool 4 for sound absorption and heat insulation is filled between the inner layer 3 and the outer layer 5. The outer layer 5 is folded at the edge and welded with the inner layer 3, so as to form a closed pipeline for covering the glass wool 4 between the inner layer 3 and the outer layer 5.

[0038] In the embodiment, the standard section is provided with a ring-shaped reinforcing rib 6 at the middle part along the circumferential direction, the ring-shaped reinforcing rib is arranged between the inner layer 3 and the outer layer 5, and a supporting rod 7 for supporting the ring-shaped reinforcing rib 6 is further arranged, and the ring-shaped reinforcing rib 6 and the supporting rod are combined to enhance the anti-deformation performance of the standard section.

[0039] In the embodiment, the inner layer of the connecting side of the standard section is provided with an extended welding section 8, and the extended welding sections 8 of the connecting sides of the adjacent standard sections are fully welded through the second connecting plate 2. The adjacent standard sections are connected through welding, and the installation cost is low, and the overall sealing performance of the exhaust fume pipeline is better.

[0040] The hoisting assembly comprises a hoisting support 9, the cross section of the hoisting support 9 is in the shape of L, one side limb plate is bolted with the first connecting plate 1 through a bolt assembly, and the other side limb plate is connected with the top plate through a hoisting rod 10. The two limb plates of the hoisting support 9 are provided with a diagonal brace 11 for enhancing the strength. The connection form is more stable, and the exhaust fume pipeline is not easy to shake during use.

[0041] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, it is to be understood that the application embraces all such possible combinations.

[0042] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A prefabricated rectangular double-layer stainless steel insulated exhaust duct assembly structure, characterized in that: The standard section comprises a standard section, first connecting plates are arranged on both sides of the lower part of the standard section along the longitudinal direction of the standard section, the connecting plates are connected with the top plate through a hoisting assembly, and adjacent standard sections are connected through second connecting plates.

2. The prefabricated rectangular double-layered stainless steel heat-insulated exhaust fume pipeline assembly structure according to claim 1, characterized in that, The standard section comprises an inner layer, glass wool and an outer layer arranged in sequence from inside to outside.

3. The prefabricated rectangular double-layered stainless steel heat-insulated exhaust fume pipeline assembly structure according to claim 2, characterized in that, The middle part of the standard section is provided with a ring-shaped reinforcing rib along the circumferential direction of the standard section, and the ring-shaped reinforcing rib is provided with a supporting rod.

4. The prefabricated rectangular double-layered stainless steel heat-insulated exhaust fume pipeline assembly structure according to claim 3, characterized in that, The inner layer of the connecting side of the standard section is provided with an extended welding section.

5. The prefabricated rectangular double-layered stainless steel heat-insulated exhaust fume pipeline assembly structure according to claim 1, characterized in that, The hoisting assembly comprises a hoisting support, the cross section of the hoisting support is L-shaped, one side limb plate of the hoisting support is connected with the first connecting plate, and the other side limb plate of the hoisting support is connected with the top plate through a lifting rod.

6. The prefabricated rectangular double-layered stainless steel heat-insulated exhaust fume pipeline assembly structure according to claim 5, characterized in that, The hoisting support is provided with an inclined brace.

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