Smoke exhaust device with assembly type air duct structure

Abstract

The utility model discloses a fume extractor with an assembly type air duct structure, which comprises a machine body and a fan, the machine body is provided with a bottom shell and a top shell, the bottom shell is provided with a volute piece, the top shell covers the bottom shell and forms a fume exhaust cavity with the volute piece, the fan is arranged in the fume exhaust cavity, and the top shell is provided with a fume inlet communicated with the fume exhaust cavity. A smoke exhaust hole communicated with the smoke exhaust cavity is formed in the bottom shell, and the top shell and the bottom shell are detachably and fixedly connected. According to the utility model, the machine body is configured into the bottom shell and the top shell, and the bottom shell is provided with the volute part which is encircled with the top shell to form the smoke exhaust cavity, so that assembly parts are reduced, and the fan is simple and convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to range hood technical field especially the exhaust device with assembly type air duct structure. BACKGROUND

[0002] The lower suction type range hood is a device that absorbs and discharges smoke downward to maintain the air cleanliness of the kitchen during cooking. The existing lower suction type range hood includes a body and a fan assembly, the fan assembly includes a fan shell and a fan, the fan shell is arranged in the body, the fan shell has an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected in a detachable manner to form an exhaust air duct, and the fan is arranged in the exhaust air duct. Since the fan shell assembled with the fan is arranged in the body and is composed of the upper shell and the lower shell fixedly connected in a detachable manner, the fan is complicated to disassemble and assemble and is inconvenient to operate. SUMMARY

[0003] The utility model aims at providing the exhaust device with assembly type air duct structure to solve the problem that the fan shell assembled with the fan is arranged in the body and is composed of the upper shell and the lower shell fixedly connected in a detachable manner, which leads to the complicated disassembly and assembly of the fan.

[0004] The utility model is realized through the following technical schemes:

[0005] The exhaust device with assembly type air duct structure includes a body and a fan, the body has a bottom shell and a top shell, the bottom shell has a volute piece, the top shell cover is arranged on the bottom shell and encloses the volute piece to form an exhaust cavity, the fan is arranged in the exhaust cavity, the top shell is provided with an air inlet hole communicating with the exhaust cavity, the bottom shell is provided with an exhaust hole communicating with the exhaust cavity, and the top shell and the bottom shell are fixedly connected in a detachable manner.

[0006] Further, the volute piece is integrally formed with the bottom shell.

[0007] Further, the volute piece extends from one side to the other side of the exhaust hole around the bottom shell in the circumferential direction, and the air inlet end of the fan is opposite to the air inlet hole.

[0008] Further, the top shell is provided with a first limiting groove on the lower side for the volute piece to insert, and a first sealing strip is arranged in the first limiting groove.

[0009] Further, the top shell is provided with a second limiting groove on the lower side for the bottom shell to insert.

[0010] Further, the bottom shell is provided with a positioning groove at the bottom of the exhaust cavity for the fan to insert.

[0011] Further, the top shell is provided with a protective net piece in the air inlet hole, and the protective net piece divides the air inlet hole into a plurality of communicating mesh holes.

[0012] Further, the protective mesh is integrally formed with the top shell, and the protective mesh and the top shell slowly transition to form an arc-shaped transition portion extending downward from the smoke inlet hole.

[0013] Further, the bottom shell and the volute are provided with reinforcing ribs, and the reinforcing ribs are arranged at intervals in the extension direction of the volute.

[0014] The technical scheme has the advantages that the machine body is configured as a bottom shell and a top shell, the bottom shell has a volute forming a smoke exhaust cavity together with the top shell, the number of assembly parts is reduced, and the fan is easy to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced.

[0017] Figure 1 is a perspective view of the smoke exhaust device with the assembled air duct structure disclosed in the embodiment;

[0018] Figure 2 is a sectional view of the smoke exhaust device with the assembled air duct structure disclosed in the embodiment;

[0019] Figure 3 is Figure 2 is a local enlarged view of A in FIG. 4;

[0020] Figure 4 is an exploded view of the smoke exhaust device with the assembled air duct structure disclosed in the embodiment;

[0021] Figure 5 is a perspective view of the bottom shell in the embodiment;

[0022] Figure 6 is a perspective view of the top shell in the embodiment. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Embodiment: as Figures 1-6 The smoke exhaust device with the assembled air duct structure comprises a machine body 1 and a fan 2. The machine body 1 comprises a bottom shell 101 and a top shell 102. The bottom shell 101 is provided with a volute 103. The top shell 102 is arranged on the bottom shell 101 and cooperates with the volute 103 to form a smoke exhaust cavity 104. The fan 2 is arranged in the smoke exhaust cavity 104. The top shell 102 is provided with a smoke inlet hole 105 communicating with the smoke exhaust cavity 104. The bottom shell 101 is provided with a smoke exhaust hole 106 communicating with the smoke exhaust cavity 104. The top shell 102 and the bottom shell 101 are detachably fixedly connected. The embodiment provides a smoke exhaust device with an assembled air duct structure, so as to solve the problem that the existing fan shell is arranged in the machine body and is composed of an upper shell and a lower shell which are detachably fixedly connected, and the fan is complicated to disassemble and assemble. The machine body 1 is configured as the bottom shell 101 and the top shell 102. The bottom shell 101 is provided with the volute 103 which cooperates with the top shell 102 to form the smoke exhaust cavity 104. The number of assembly parts is reduced, and the fan 2 is simple and convenient to disassemble and assemble.

[0025] In the embodiment of the utility model, the volute 103 is integrally formed with the bottom shell 101. The volute 103 is integrally formed with the bottom shell 101, so as to reduce the number of assembly parts and make the fan 2 simple and convenient to disassemble and assemble.

[0026] In the embodiment of the utility model, the volute 103 extends from one side to the other side of the opposite sides of the bottom shell 101 around the bottom shell 101 in the circumferential direction. The volute 103 extends from one side to the other side of the opposite sides of the bottom shell 101 around the bottom shell 101 in the circumferential direction, so that the fan 2 can be placed horizontally in the bottom shell 101, the volume of the machine body 1 is reduced, and miniaturization is achieved.

[0027] In the embodiment of the utility model, the air inlet end of the fan 2 faces the smoke inlet hole 105. The air inlet end of the fan 2 faces the smoke inlet hole 105, so that the fan 2 has good smoke suction and exhaust effect.

[0028] In the embodiment of the utility model, the top shell 102 is provided with the first limiting groove 107 for the volute 103 to insert, and the first sealing strip 108 is arranged in the first limiting groove 107. The above-mentioned arrangement can stabilize the assembly of the top shell 102 and the bottom shell 101 and reduce the working noise.

[0029] In the embodiment of the utility model, the top shell 102 is provided with the second limiting groove 109 for the bottom shell 101 to insert. The above-mentioned arrangement can stabilize the assembly of the top shell 102 and the bottom shell 101 and reduce the working noise.

[0030] In the embodiment of the utility model, the bottom shell 101 is provided with the positioning groove 111 for the fan 2 to insert at the bottom of the smoke exhaust cavity 104. The above-mentioned arrangement can stabilize the assembly of the fan 2 and the bottom shell 101 and reduce the working noise.

[0031] In the embodiment of the utility model, the top shell 102 is provided with the guard net part 112 in the smoke inlet hole 105, and the guard net part 112 divides the smoke inlet hole 105 into a plurality of communicating mesh holes 113. The above-mentioned arrangement can prevent the user from entering the smoke exhaust cavity 104 by mistake.

[0032] In the embodiment of the utility model, the guard net part 112 and the top shell 102 are integrally formed, and the guard net part 112 and the top shell 102 slowly transition to form the arc-shaped transition part 114 extending downward from the smoke inlet hole 105. The above-mentioned arrangement can improve the connection strength of the guard net part 112 and the top shell 102 and prevent the guard net part 112 from being broken.

[0033] In the embodiment of the utility model, the reinforcing ribs 115 are arranged between the bottom shell 101 and the volute 103, the reinforcing ribs 115 are a plurality of reinforcing ribs, and the reinforcing ribs 115 are arranged at intervals in the extension direction of the volute 103. The above-mentioned arrangement can improve the connection strength of the bottom shell 101 and the volute 103.

[0034] It should be understood that the terms "first", "second" and the like in the present application are used to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does 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 on the present application.

[0035] The above is one or more embodiments provided in combination with specific content, and does not mean that the specific implementation of the present application is limited to these descriptions. Any approximation, similarity or replacement of the method and structure of the present application, or any technical deduction or replacement under the concept of the present application, should be regarded as the protection of the present application.

Claims

1. A smoke exhaust device with a fabricated air duct structure, comprising a machine body and a fan, characterized in that, The machine body has a bottom shell with a volute and a top shell covering the bottom shell to form a smoke exhaust chamber with the volute, a fan arranged in the smoke exhaust chamber, a smoke inlet hole in the top shell communicating with the smoke exhaust chamber, a smoke exhaust hole in the bottom shell communicating with the smoke exhaust chamber, and the top shell and the bottom shell being detachably fixedly connected.

2. The smoke exhaust device with a fabricated air duct structure according to claim 1, characterized by, The volute is integrally formed with the bottom shell.

3. The smoke exhaust device having a fabricated air duct structure according to claim 1, characterized by, The volute extends around the bottom shell from one side to the other side of the smoke exhaust hole, and the air inlet end of the fan is opposite to the smoke inlet hole.

4. The smoke exhaust device having a fabricated air duct structure according to claim 1, characterized by, The bottom side of the top shell is provided with a first limiting groove for inserting the volute, and the first limiting groove is provided with a first sealing strip.

5. The smoke exhaust device with a fabricated air duct structure according to claim 1, characterized in that, The bottom side of the top shell is provided with a second limiting groove for inserting the bottom shell.

6. The smoke exhaust device with a fabricated air duct structure according to claim 1, characterized by, The bottom shell is provided with a positioning groove at the bottom of the smoke exhaust chamber for inserting the fan.

7. The smoke exhaust device with a fabricated air duct structure according to claim 1, characterized by, The top shell is provided with a protective net in the smoke inlet hole, and the protective net divides the smoke inlet hole into a plurality of communicating mesh holes.

8. The smoke exhaust device with a fabricated air duct structure according to claim 7, characterized by, The protective net is integrally formed with the top shell, and the protective net and the top shell slowly transition to form an arc-shaped transition part extending downward from the smoke inlet hole.

9. The smoke exhaust device with a fabricated air duct structure according to claim 1, characterized by, The bottom shell and the volute are provided with reinforcing ribs, and the reinforcing ribs are arranged in the extension direction of the volute.

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