CN217423363U - Air duct system of range hood and range hood - Google Patents
Air duct system of range hood and range hood Download PDFInfo
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- CN217423363U CN217423363U CN202220564369.5U CN202220564369U CN217423363U CN 217423363 U CN217423363 U CN 217423363U CN 202220564369 U CN202220564369 U CN 202220564369U CN 217423363 U CN217423363 U CN 217423363U
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Abstract
The utility model discloses a range hood's air duct system and range hood, include: the casing and establish fan on the casing, the fan includes the spiral case subassembly, sets up impeller in the spiral case subassembly and be used for driving impeller pivoted motor, its characterized in that, the motor is established the top of casing, the spiral case subassembly includes: the volute casing structure comprises a volute casing enclosing plate and a volute casing sealing plate connected with the volute casing enclosing plate. The top of the volute component is connected with the top of the shell, and the bottom of the volute component is connected with the smoke collection cavity component of the shell. The volute assembly is formed by the volute enclosing plate and the volute sealing plate, the volute assembly, the back top plate and the smoke collecting cavity assembly are installed to form the air duct system, and the motor is installed on the back top plate, so that the problems that the structure is complex, the number of partial installation lines is increased, and the cost is high are solved.
Description
Technical Field
The utility model relates to a kitchen appliance technical field especially relates to a range hood's air duct system and range hood.
Background
The existing Chinese style cigarette machine air duct system component is generally formed by welding a volute bottom plate, a volute top plate, a volute enclosing plate, a volute air folding plate and a volute flange into a volute component, and a motor is installed on the volute bottom plate. The structure is complicated, the production line of partly adorning the subassembly has been increased, and part quantity is many, and the material quantity is many, and welding process requires highly, and the defective rate is high, therefore with high costs.
According to a chinese utility model patent application with publication number CN 209639081U, the spiral case comprises preceding curb plate, posterior lateral plate, the bounding wall of centre and the flange at top, can dismantle through block structure between bounding wall and preceding curb plate and/or the posterior lateral plate and be connected, block structure includes that the block that outwards stretches out of a plurality of that sets up along bounding wall side circumference interval is protruding and correspond a plurality of bayonet socket that sets up on preceding curb plate and posterior lateral plate, the block is protruding to stretch out and break curved realization bounding wall and preceding curb plate or the fixed connection between the posterior lateral plate to one side with fingers and thumb from the bayonet socket that corresponds.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a range hood's air duct system simple structure, simple to operate and with low costs.
Another object of the present invention is to provide a range hood with the above air duct system.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
An air duct system of a range hood, comprising: the casing and establish fan on the casing, the fan includes the spiral case subassembly, sets up impeller in the spiral case subassembly and be used for driving impeller pivoted motor, its characterized in that, the motor is established the top of casing, the spiral case subassembly includes: the volute casing structure comprises a volute casing enclosing plate and a volute casing sealing plate connected with the volute casing enclosing plate. The top of the volute component is connected with the top of the shell, and the bottom of the volute component is connected with the smoke collecting cavity component of the shell.
More preferably, a plurality of sealing plate riveting sheets for connecting with the volute casing enclosing plate are arranged on the volute casing sealing plate; and the volute casing surrounding plate is provided with a surrounding plate riveting sheet which is used for being connected with the casing and the smoke collection cavity assembly.
More preferably, the volute assembly is a metal piece consisting of a volute assembly volute enclosing plate and a volute sealing plate; or the volute component is a plastic piece which is integrally formed by injection molding.
More preferably, the shaft of the volute assembly and the shaft of the motor are both vertically arranged; or the volute component and the motor are both obliquely arranged, and the shaft of the volute component and the shaft of the motor are positioned on the same straight line or are not coaxially arranged.
More preferably, the housing includes: the back top plate, with the collection smoke chamber subassembly that the back top plate is connected and establish the operating panel subassembly of back top plate front end.
More preferably, a sinking platform for accommodating the motor is arranged on the back top plate, and a through hole through which a driving shaft of the motor enters the shell is formed in the bottom of the sinking platform.
More preferably, an inclined volute top plate is arranged on the volute component, and a sinking platform for accommodating the motor is arranged on the inclined volute top plate; the inclined volute top plate is installed on the shell, and a avoiding hole corresponding to the sinking platform is formed in the top of the shell.
More preferably, a coaming positioning sinking platform for connecting with the top of the volute component is arranged on the shell.
More preferably, the smoke collecting cavity assembly is provided with a volute mounting plate for mounting the volute assembly, oil guide plates which incline outwards and downwards are arranged on the periphery of the volute mounting plate, a space is reserved between the oil guide plate positioned at the rear side and the back top plate, and the joint of each oil guide plate is subjected to fillet treatment.
More preferably, the lower end of the shell and the horizontal plane form an included angle of 0-60 degrees; the lower end of the volute component and the horizontal plane form an included angle of 0-45 degrees.
A range hood comprises an air duct system and is characterized in that the air duct system is the air duct system of the range hood as described in any one of the above items.
The utility model has the advantages that: (1) the volute assembly is formed by the volute enclosing plate and the volute sealing plate, the volute assembly, the back top plate and the smoke collecting cavity assembly are installed to form the air duct system, and the motor is installed on the back top plate, so that the problems that the structure is complex, the number of partial installation lines is increased, and the cost is high are solved. (2) The motor is arranged on the back top plate, so that the structure of the volute component is simplified, the volute component is convenient to install, the sunken platform which is sunken downwards is arranged for installing the motor, the gap of the end, close to the wall, of the air duct system of the whole machine is filled, and the problems of high performance loss and low full-pressure efficiency are solved. (3) Condensed oil around the smoke collection cavity assembly is guided into the oil cup through the wall surface of the large-angle smoke collection cavity, and the condensed oil of the air duct system drops on the cloud plate assembly and then is guided into the oil cup, so that the problem that the condensed oil drops on a cooking bench is solved, and the using satisfaction of a user is improved. (4) The volute component is arranged in the coaming positioning sinking platform of the back top plate, so that the requirements on assembly positioning and the rigidity of the whole machine are improved.
Drawings
Fig. 1 shows a sectional view of the air duct system of the range hood provided by the present invention.
Fig. 2 is an exploded view of the air duct system of the range hood according to the present invention.
Fig. 3 shows a structure diagram of a back top plate of the air duct system of the range hood provided by the present invention.
Fig. 4 is an exploded view of the volute assembly of the air duct system of the range hood according to the present invention.
Fig. 5 shows a spiral casing assembly structure diagram of the air duct system of the range hood provided by the present invention.
Fig. 6 is a structural diagram of another embodiment of the volute component of the air duct system of the range hood according to the present invention.
Fig. 7 is a diagram of another embodiment of the sinking platform of the air duct system of the range hood according to the present invention.
Fig. 8 is a schematic structural view of the air duct system of the range hood provided by the present invention.
Fig. 9 is a schematic view showing the flow of condensed oil in the air duct system of the range hood provided by the present invention.
Fig. 10 is a structural diagram of another embodiment of the air duct system of the range hood according to the present invention.
Fig. 11 is a structural diagram of another embodiment of the air duct system of the range hood according to the present invention.
Reference numerals indicate the same.
1: check valve, 2: motor cover, 3: motor, 4: roof back plate, 5: impeller, 6: volute assembly, 7: smoke collection chamber component, 8: air inlet ring, 9: cloud plate assembly, 10: oil cup, 11: operation panel assembly, 12: sinking platform, 13: volute chute ceiling, 14: and a coaming positioning sinking platform.
61: volute shroud, 62: volute shrouding, 63: boarding riveting sheet, 64: and sealing plate riveting sheets.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; mechanical connection is also possible; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary by referring to the drawings, are intended to explain the present invention, and should not be construed as limiting the present invention.
Example 1.
As shown in fig. 1 to 4, an air duct system of a range hood includes: casing and establishing fan in the casing, the fan includes spiral case subassembly 6, sets up impeller 5 in the spiral case subassembly 6 and be used for driving 5 pivoted motors 3 of impeller, its characterized in that, the motor is established the casing top, spiral case subassembly 6 includes: a volute shroud 61, and a volute closure plate 62 connected to the volute shroud 61. The top of the volute assembly 6 is connected with the top of the housing, and the bottom of the volute assembly 6 is connected with the smoke collection cavity assembly of the housing.
It should be noted that, in the present embodiment, the volute sealing plate 62 is mounted on the volute enclosing plate 61 by a rivet to form the volute assembly. Obviously, in other embodiments, the connection manner of the volute closing plate and the volute enclosing plate can be adjusted by those skilled in the art according to actual needs, such as by screws, snaps, welding, and other manners.
In this embodiment, the volute assembly 6 is a metal member composed of a volute enclosing plate and a volute sealing plate. In other embodiments, as shown in connection with FIG. 6, the volute component is an integrally injection molded plastic part.
The housing includes: the smoke collecting device comprises a back top plate 4, a smoke collecting cavity component 7 connected with the back top plate 4 and an operation panel component 11 arranged at the front end of the back top plate 4. The top of the volute assembly 6 is connected with the back top plate 4, and the bottom of the volute assembly 6 is connected with the smoke collecting cavity assembly 7. Specifically, a coaming positioning sinking platform 14 for positioning the volute component 6 is arranged on the back top plate 4, so that the requirements on assembly positioning and rigidity of the whole machine can be improved.
As shown in fig. 5, a plurality of sealing plate rivet pieces 64 for connecting with the volute casing enclosing plate are arranged on the volute casing sealing plate 62; and a surrounding plate riveting sheet 63 used for being connected with the back top plate 4 and the smoke collection cavity assembly 7 is arranged on the volute surrounding plate 61. Obviously, those skilled in the art can use a hem instead of the rivet plate, and is not limited to this embodiment.
In this embodiment, the volute enclosure 61 is connected to the back ceiling and the smoke collection chamber assembly by rivets. Of course, in other embodiments, the volute assembly 6 may be mounted to the ceiling 4 and the flue box assembly 7 by screws, welding, or other attachment means.
Furthermore, a sinking platform 12 for accommodating the motor 3 is arranged on the back top plate 4, and a through hole for allowing a driving shaft of the motor 3 to enter the shell is formed in the bottom of the sinking platform 12. The motor is arranged on the back top plate, so that the structure of the volute component is simplified, the volute component is convenient to install, the sunken platform which is sunken downwards is arranged for installing the motor, the gap of the end, close to the wall, of the air duct system of the whole machine is filled, and the problems of high performance loss and low full-pressure efficiency are solved. The sink deck 12 may be stamped from the back ceiling 4 or may be a separate piece. In this embodiment, the sinking platform is arranged on the back top plate. In another embodiment, as shown in fig. 7, a volute top plate 13 is provided on the volute assembly 6, and the sinking platform 12 is provided on the volute top plate 13. The inclined volute top plate 13 is installed on the back top plate 4, and a avoidance hole for avoiding the sinking platform 12 is formed in the back top plate 4. The top plate 13 of the volute casing is made of metal or plastic.
Furthermore, a downward air inlet and an upward air outlet are arranged on the volute component 6; the top of the shell is provided with an air outlet matched with the air outlet, and the smoke collection cavity component 7 is provided with an air inlet ring 8 matched with the air inlet. More specifically, a check valve 1 is provided on the air outlet. The sinking platform 12 is provided with a motor cover 2 for covering the motor 3, and the motor cover 2 is detachably connected with the sinking platform 12, such as through screw connection or through buckle connection.
Further, as shown in fig. 8, the angle a between the bottom end of the smoke collection chamber component 7 and the horizontal plane ranges from 0 degree to 60 degrees, and the angle B between the bottom end of the volute component 6 and the horizontal plane ranges from 0 degree to 45 degrees. The volute assembly 6 is mounted on the roof and the smoke collection chamber assembly 7 and forms an air duct system.
A volute mounting plate for mounting the volute component 6 is arranged in the smoke collection cavity component 7; and oil guide plates which are inclined outwards and downwards are arranged on the periphery of the volute mounting plate. After the smoke collecting cavity assembly 7 and the back top plate 4 are assembled together, a gap is left between the oil guide plate and the back top plate which are positioned at the rear side. And the joint of each oil guide plate is subjected to fillet treatment. And a cloud plate assembly 9 and an oil cup 10 are arranged at the bottom of the smoke collection cavity assembly 7. And an oil leakage hole matched with the oil cup 10 is formed in the cloud plate component 9. Referring to fig. 9, when the range hood operates, most of the oil smoke enters the air duct system through the left side, the right side and the front side of the cloud plate assembly, is guided to the rear end of the volute assembly from the front end of the volute assembly through the impeller assembly, and then is led to the common flue through the check valve. Part of the oil smoke is condensed into oil drops in the smoke collection cavity assembly when meeting cold, condensed oil on the rear side of the smoke collection cavity assembly is guided into the oil cup through the oil guide plate on the rear wall surface, condensed oil on the front side, the left side and the right side of the smoke collection cavity assembly is guided into the oil cup through the oil guide plates on the side wall surfaces, and condensed oil of the air duct system falls onto the cloud plate assembly and is guided into the oil cup through the oil leakage hole on the cloud plate assembly. The large-angle arrangement of the smoke collection cavity assembly and the horizontal plane enables condensed oil around the smoke collection cavity assembly to be led into the oil cup through the wall surface of the large-angle smoke collection cavity, the condensed oil of the air duct system drops on the cloud board assembly and then led into the oil cup, and the problem that the condensed oil drops on a cooking bench is solved.
The smoke collecting cavity assembly 7 is of an integral structure, or the smoke collecting cavity assembly 7 is composed of a smoke collecting cavity, a left side plate and a right side plate.
In another embodiment, shown in figure 10, the axis a2 of the volute assembly and the axis a1 of the motor are not coaxial, so that the range hood depth dimension can be as small as possible without tilting the volute enclosure, making it more aesthetically pleasing to fit in a cabinet.
In another embodiment, as shown in fig. 11, the axis of the volute assembly and the axis C of the motor are perpendicular to the top surface of the back top plate 4, so that the depth dimension D of the whole machine can be reduced, and the cabinet can be more attractive; but only the overall height is increased.
Example 2.
A range hood comprises an air duct system and is characterized in that the air duct system is the air duct system as described in any one of the above.
The range hood provided by the embodiment has all the beneficial effects of the embodiment 1, and the specific structure of the range hood can adopt the existing or future structure.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. Details not described in the detailed description are prior art or common general knowledge.
Claims (10)
1. An air duct system of a range hood, comprising: the casing and establish fan on the casing, the fan includes the spiral case subassembly, sets up impeller in the spiral case subassembly and be used for driving impeller pivoted motor, its characterized in that, the motor is established the top of casing, the spiral case subassembly includes: the volute assembly comprises a volute enclosing plate and a volute sealing plate connected with the volute enclosing plate, the top of the volute assembly is connected with the top of the shell, and the bottom of the volute assembly is connected with the smoke collecting cavity assembly of the shell.
2. The air duct system of a range hood according to claim 1, wherein a plurality of sealing plate rivet pieces for connecting with the volute casing plate are arranged on the volute casing sealing plate; and the volute casing surrounding plate is provided with a surrounding plate riveting sheet which is used for being connected with the casing and the smoke collection cavity assembly.
3. The air duct system of a range hood according to claim 1, wherein the volute component is a metal component consisting of a volute component volute enclosing plate and a volute enclosing plate; or the volute component is an integrally injection-molded plastic piece.
4. The air duct system of a range hood according to claim 1, wherein the shaft of the volute assembly and the shaft of the motor are both vertically disposed;
or the volute component and the motor are both obliquely arranged, and the shaft of the volute component and the shaft of the motor are positioned on the same straight line or are not coaxially arranged.
5. The air duct system of a range hood according to claim 1, wherein the housing comprises: the back top plate, with the collection smoke chamber subassembly that the back top plate is connected and establish the operating panel subassembly of back top plate front end.
6. The air duct system of a range hood according to claim 5, wherein a sinking platform for accommodating the motor is disposed on the back top plate, and a through hole for allowing a driving shaft of the motor to enter the housing is disposed at a bottom of the sinking platform.
7. The air duct system of a range hood according to claim 1, wherein an inclined volute top plate is arranged on the volute component, and a sinking platform for accommodating the motor is arranged on the inclined volute top plate; the inclined volute top plate is installed on the shell, and a avoiding hole corresponding to the sinking platform is formed in the top of the shell.
8. The air duct system of a range hood according to claim 1, wherein a coaming positioning sink platform for positioning and installing the volute assembly is provided on the housing.
9. The air duct system of a range hood according to claim 1, wherein the lower end of the housing forms an included angle of 0-60 ° with the horizontal plane; the lower end of the volute component and the horizontal plane form an included angle of 0-45 degrees.
10. A range hood, comprising an air duct system, wherein the air duct system is the air duct system of the range hood as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220564369.5U CN217423363U (en) | 2022-03-15 | 2022-03-15 | Air duct system of range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220564369.5U CN217423363U (en) | 2022-03-15 | 2022-03-15 | Air duct system of range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217423363U true CN217423363U (en) | 2022-09-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220564369.5U Active CN217423363U (en) | 2022-03-15 | 2022-03-15 | Air duct system of range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217423363U (en) |
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2022
- 2022-03-15 CN CN202220564369.5U patent/CN217423363U/en active Active
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Effective date of registration: 20230426 Address after: 528399 No. 9, Shunyuan South Road, Wusha community, Daliang street, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG MACRO GAS APPLIANCE Co.,Ltd. Patentee after: MACRO THERMAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 528333 No. 9, Shunyuan South Road, Wusha community, Daliang street, Shunde District, Foshan City, Guangdong Province (residence declaration) Patentee before: GUANGDONG MACRO GAS APPLIANCE Co.,Ltd. |