CN213392746U - Smoke machine and fan thereof - Google Patents
Smoke machine and fan thereof Download PDFInfo
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- CN213392746U CN213392746U CN202021384455.5U CN202021384455U CN213392746U CN 213392746 U CN213392746 U CN 213392746U CN 202021384455 U CN202021384455 U CN 202021384455U CN 213392746 U CN213392746 U CN 213392746U
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- impeller
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Abstract
The utility model discloses a smoke machine and a fan thereof, wherein the fan comprises a motor, an impeller, a guide part and a balance part, the impeller is connected with the output end of the motor and can rotate under the driving of the motor; the guide piece is arranged to synchronously rotate along with the impeller and is used for defining a rotating track, and the rotating track is arranged in an arc shape or an annular shape around the rotating shaft of the impeller; the balancing piece is guided by the guide piece and can move along a rotating track when the impeller rotates so as to reduce the dynamic unbalance amount of the impeller. The utility model discloses a set up at the fan along with the synchronous pivoted guide of impeller, and be the rotatory orbit that arc or annular set up through a guide definition one around the axis of rotation of impeller to set up the balancing piece by the guide, can follow the rotatory orbit motion when the impeller rotates, in order to reduce the dynamic unbalance amount of impeller, thereby reduce the vibration noise of fan, and can promote the rotational speed of impeller, increase the amount of wind, thereby improve the convulsions efficiency of fan.
Description
Technical Field
The utility model relates to a kitchen appliance technical field, in particular to cigarette machine and fan thereof.
Background
With the development of science and technology, the requirements of users on various household appliances are higher and higher, and particularly, the noise problem of the household appliances brings great influence on the use process of the users. For example, in products such as a cigarette making machine and the like, noise mainly comes from a fan system, and the noise is generated because the axis of an impeller can deviate relative to the axis of a motor in the operation process of the fan, so that dynamic unbalance of the fan is caused, and further noise is generated.
The inventor of this application discovers in long-term research and development, mainly through set up rubber or damping material etc. between the output shaft of impeller and motor at present to realize the self-balancing of fan, but can directly influence the rotational speed of impeller, thereby lead to the convulsions efficiency of fan to reduce, the smoking effect variation of cigarette machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cigarette machine and fan thereof to solve the self-balancing of fan among the prior art and the unable compatible technical problem of convulsions efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme provide a fan, include:
a motor;
the impeller is connected to the output end of the motor and can rotate under the driving of the motor;
the guide piece is arranged to synchronously rotate along with the impeller and is used for defining a rotating track which is arranged in an arc shape or an annular shape around the rotating shaft of the impeller;
and the balancing piece is guided by the guide piece and can move along the rotating track when the impeller rotates so as to reduce the dynamic unbalance of the impeller.
In a specific embodiment, the impeller includes a mounting disc perpendicular to the rotating shaft of the motor and a plurality of blades arranged on the mounting disc, the mounting disc is connected with the output end of the motor, the blades are arranged around the intersection point of the mounting disc and the rotating shaft at intervals, and the guide member and the balance member are arranged on the mounting disc.
In a particular embodiment, the plurality of blades respectively comprise first and second blade portions on first and second opposite major surfaces of the mounting disk, wherein the first blade portion on the first major surface of the mounting disk has a greater length along the direction of extension of the rotational axis than the second blade portion on the second major surface of the mounting disk, and the guide and the balance are disposed on the first major surface of the mounting disk.
In a specific embodiment, the impeller further comprises a first mounting ring and a second mounting ring, the first mounting ring is disposed on a side of the first blade portion of the plurality of blades facing away from the mounting plate, and the second mounting ring is disposed on a side of the second blade portion of the plurality of blades facing away from the mounting plate.
In a specific embodiment, the rotation track is disposed in an arc shape or a circular ring shape with an intersection point of the mounting disc and the rotation shaft as a center.
In a specific embodiment, the arc-shaped rotating track is a plurality of segments, and the plurality of segments of arc-shaped rotating tracks are symmetrically arranged relative to the rotating shaft.
In a specific embodiment, the guide member alone or in cooperation with the impeller forms a receiving cavity, the receiving cavity is disposed along the rotation track, and the balancing member is disposed in the receiving cavity.
In a specific embodiment, the balancing member is a spherical or massive solid, or the balancing member is a liquid.
In a specific embodiment, the number of the balancing members is at least two, and the guide member is further provided with a barrier member for separating at least two of the balancing members.
In a specific embodiment, the balance amount of the balancing piece is 2 to 5 times of the dynamic unbalance amount of the impeller, and the mass of the balancing piece is 1 to 3 times of the maximum dynamic eccentric mass of the impeller.
In a specific embodiment, the rotating speed lifting gradient of the fan is less than or equal to 200 Rpm/s.
In order to solve the technical problem, the utility model discloses a another technical scheme provide a cigarette machine, including the shell, set up in spiral case in the shell and set up in above-mentioned fan in the spiral case, the shell is formed with air intake and air outlet, the fan is used for following air intake suction oil smoke, and warp the air outlet is discharged the oil smoke.
The utility model discloses a set up at the fan along with the synchronous pivoted guide of impeller, and be the rotatory orbit that arc or annular set up through a guide definition one around the axis of rotation of impeller to set up the balancing piece by the guide, can follow the rotatory orbit motion when the impeller rotates, in order to reduce the dynamic unbalance amount of impeller, thereby reduce the vibration noise of fan, and can promote the rotational speed of impeller, increase the amount of wind, thereby improve the convulsions efficiency of fan.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of a fan according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure of an embodiment of the blower of the present invention;
fig. 3 is a schematic perspective view of the fan according to the embodiment of the present invention;
fig. 4 is a schematic cross-sectional structural view of an embodiment of the fan of the present invention;
fig. 5 is a schematic perspective view of an impeller of an embodiment of the blower of the present invention;
figure 6 is a schematic perspective view of an embodiment of the cigarette making machine of the present invention;
figure 7 is the explosion structure schematic diagram of the embodiment of the cigarette machine of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1 to 5, the embodiment of the blower 10 of the present invention includes a motor 100, an impeller 200, a guide 300, and a balance 400, wherein the impeller 200 is connected to an output end of the motor 100 and can be driven by the motor 100 to rotate; the guide 300 is provided to rotate synchronously with the impeller 200 and defines a rotation locus, which is annularly provided around the rotation axis 210 of the impeller 200; the balancing member 400 is guided by the guide member 300 and can move along a rotation trajectory when the impeller 200 rotates, to reduce the amount of dynamic unbalance of the impeller 200.
In other embodiments, the rotation track may also be disposed in an arc shape (not shown) around the impeller 200, wherein the arc-shaped rotation track may be multiple segments, and the multiple segments of the arc-shaped rotation track are symmetrically disposed with respect to the rotation axis 210.
The embodiment of the utility model provides a through set up at fan 10 along with synchronous pivoted guide 300 of impeller 200, and define one through guide 300 and be the rotatory orbit that arc or annular set up around the axis of rotation 210 of impeller 200, and set up the balancing piece 400 that is guided by guide 300, can follow rotatory orbit motion when impeller 200 rotates, in order to reduce the dynamic unbalance amount of impeller 200, thereby reduce fan 10's vibration noise, and can promote impeller 200's rotational speed, increase the amount of wind, thereby improve fan 10's convulsions efficiency.
In this embodiment, the diameter of the impeller 200 may be greater than or equal to 200mm, for example, 200mm, 260mm or 300mm, and the larger the diameter of the impeller 200 is, the larger the amount of dynamic unbalance is generated, and the effect of the guide 300 and the balancing member 400 in cooperation for adjusting the balance of the impeller 200 is more obvious.
In this embodiment, the fan 10 may be a centrifugal fan, and the dynamic unbalance amount of the impeller is reduced by setting a balance member on the centrifugal fan, so that the vibration noise of the centrifugal fan can be reduced, the dipole noise of the centrifugal fan can also be reduced, and the pulsation noise of the centrifugal fan is reduced, so that the overall noise reduction effect of the fan 10 is better.
In other embodiments, the fan 10 may also be an axial fan or a cross-flow fan, but is not limited thereto.
In this embodiment, the impeller 200 includes a mounting plate 220 perpendicular to a rotation axis (not shown in the figure) of the motor 100 and a plurality of blades 230 disposed on the mounting plate 220, the mounting plate 220 is connected to an output end of the motor 100, the plurality of blades 230 are arranged around an intersection point of the mounting plate 220 and the rotation axis 210 at intervals, the guide 300 and the balance 400 are disposed on the mounting plate 220, the guide 300 and the balance 400 are directly disposed on an original structure of the impeller 200, a space occupied by the fan 10 can be saved, the structure of the fan 10 is more compact, and subsequent assembly on other devices is facilitated.
In the present embodiment, the guide 300 may be fixed to the mounting plate 220 by means of screw, bolt, rivet, or the like, without limitation.
In this embodiment, the motor 100 and the impeller 200 may be connected by a connection member 500.
In the present embodiment, the rotation locus is provided in an arc shape or an annular shape with the intersection point of the mounting plate 220 and the rotation shaft 210 as the center.
In the present embodiment, the plurality of blades 230 respectively include the first blade portion 231 and the second blade portion 232 on the first main surface 221 and the second main surface 222 of the mounting disk 220 opposite to each other, wherein the length H1 of the first blade portion 231 on the first main surface 221 of the mounting disk 220 in the extending direction of the rotating shaft 210 is greater than the length H2 of the second blade portion 232 on the second main surface 222 of the mounting disk 220 in the extending direction of the rotating shaft 210, and the guide 300 and the balancing member 400 are disposed on the first main surface 221 of the mounting disk 220, so that balance adjustment of the entire impeller 200 can be achieved.
In another embodiment, the length H1 of the first blade portion 231 located on the first main surface 221 of the mounting plate 220 along the rotation axis 210 may also be equal to the length H2 of the second blade portion 232 located on the second main surface 222 of the mounting plate 220 along the rotation axis 210, the number of the guide members 300 may be two, two guide members 300 are respectively disposed on the first main surface 221 and the second main surface 222 of the mounting plate 220, and the two guide members 300 are respectively provided with the balancing members 400 in a matching manner, so as to achieve balance adjustment of the impeller 200.
In this embodiment, the impeller 200 may further include a first mounting ring 240 and a second mounting ring 250, the first mounting ring 240 covers a side of the first blade portion 231 of the plurality of blades 230 facing away from the mounting plate 220, the second mounting ring 250 covers a side of the second blade portion 232 of the plurality of blades 230 facing away from the mounting plate 220, and the guide 300 and the balance 400 may be disposed on the first mounting ring 240.
In another embodiment, the length H1 of the first vane portion 231 located on the first main surface 221 of the mounting plate 220 along the rotation axis 210 may also be equal to the length H2 of the second vane portion 232 located on the second main surface 222 of the mounting plate 220 along the rotation axis 210, the number of the guide members 300 may be two, two guide members 300 are respectively disposed on the first mounting ring 240 and the second mounting ring 250, and the two guide members 300 are respectively provided with the balancing members 400 in a matching manner, so as to achieve balance adjustment of the impeller 200.
In the present embodiment, the plurality of blades 230 are divided into a first blade part 231 and a second blade part 232 by providing the mounting plate 220 to constitute the bidirectional air intake fan 10. In other embodiments, the mounting plate 220 may be integrally provided with the first mounting ring 240 or the second mounting ring 250 to constitute the unidirectional air inlet fan 10, and the guide 300 and the balance 400 may be provided on the main surface of the mounting plate 220 on which the blades 230 are provided.
In this embodiment, the guide 300 and the impeller 200 cooperate to form an accommodating cavity (not shown), which may be specifically formed by the guide 300 and the mounting plate 220, the accommodating cavity is disposed along the rotation track, the balance member 400 is disposed in the accommodating cavity, the structure is simple and easy to implement, and the balance member is not interfered with other components, and the reliability is high.
In this embodiment, a lubricant, such as a lubricating oil, may be further coated between the guide 300 and the balance 400, so as to reduce the friction between the guide 300 and the balance 400 and prevent the balance 400 from being jammed during sliding.
In other embodiments, the guide 300 may also form a receiving cavity for receiving the balancing member 400, which is not limited herein.
In other embodiments, the guide 300 may be a guide ring disposed along the rotation path, and the balance 400 may be a balance ring disposed on the guide ring and capable of sliding along the rotation path.
In this embodiment, the balance member 400 may be a spherical or massive solid and may be made of a material with a relatively high density, such as iron, lead, etc.
In other embodiments, the balancing member 400 may be a liquid, and is not limited herein.
In this embodiment, the number of the balance members 400 may be at least two, for example, two, four, or eight, and the guide 300 is further provided with a barrier member (not shown) for separating at least two balance members 400.
In other embodiments, the number of the balance members 400 may be one, which is not limited herein.
In this embodiment, the balance of the balancing member 400 is 2 to 5 times, for example, 2 times, 3 times, or 5 times, etc. of the dynamic unbalance amount of the impeller, wherein the balance of the balancing member 400 is the product of the mass of the balancing member 400 and the radius of the rotation locus, the larger the radius of the rotation locus, the smaller the mass of the balancing member 400 is required, and the diameter of the rotation locus is smaller than the distance between the two oppositely disposed blades 230, so as to avoid blocking the outlet air of the impeller 200.
In the present embodiment, the mass of the balance member 400 is 1 to 3 times, for example, 1 time, 2 times, 3 times, or the like, of the maximum dynamic eccentric mass of the impeller 200.
In this embodiment, the speed ramp-up gradient of the fan 10 is less than or equal to 200Rpm/s, such as 80Rpm/s, 100Rpm/s, or 200 Rpm/s.
Referring to fig. 6 and 7, the embodiment of the present invention includes a housing 30, a volute 20 disposed in the housing 30, and a fan 10 disposed in the volute 20, wherein the housing 30 is formed with an air inlet 301 and an air outlet 302, and the fan 10 is used for sucking oil smoke from the air inlet 301 and discharging the oil smoke through the air outlet 302.
Specifically, the embodiment of the present invention is the fan 10, and the structure of the fan 10 is not described herein.
The embodiment of the utility model provides a through set up at fan 10 along with synchronous pivoted guide 300 of impeller 200, and define one through guide 300 and be the rotatory orbit that arc or annular set up around the axis of rotation 210 of impeller 200, and set up the balancing piece 400 that is guided by guide 300, can follow the rotatory orbit motion when impeller 200 rotates, in order to reduce the dynamic unbalance amount of impeller 200, thereby reduce fan 10's vibration noise, and can promote impeller 200's rotational speed, increase the amount of wind, thereby improve fan 10's convulsions efficiency and the smoking effect of cigarette machine.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (12)
1. A fan, comprising:
a motor;
the impeller is connected to the output end of the motor and can rotate under the driving of the motor;
the guide piece is arranged to synchronously rotate along with the impeller and is used for defining a rotating track which is arranged in an arc shape or an annular shape around the rotating shaft of the impeller;
and the balancing piece is guided by the guide piece and can move along the rotating track when the impeller rotates so as to reduce the dynamic unbalance of the impeller.
2. The fan of claim 1, wherein the impeller includes a mounting plate disposed perpendicular to a rotational axis of the motor and a plurality of blades disposed on the mounting plate, the mounting plate is connected to an output end of the motor, the plurality of blades are spaced around an intersection of the mounting plate and the rotational axis, and the guide member and the balance member are disposed on the mounting plate.
3. The fan of claim 2, wherein the plurality of blades respectively include first and second blade portions on first and second opposite major surfaces of the mounting disk, wherein the first blade portion on the first major surface of the mounting disk has a greater length along the rotational axis than the second blade portion on the second major surface of the mounting disk, and wherein the guide and the counterbalance are disposed on the first major surface of the mounting disk.
4. The fan of claim 3, wherein the impeller further comprises a first mounting ring and a second mounting ring, the first mounting ring covering a side of the first blade portion of the plurality of blades facing away from the mounting plate, the second mounting ring covering a side of the second blade portion of the plurality of blades facing away from the mounting plate.
5. The fan according to claim 2, wherein the rotation locus is arranged in an arc shape or a circular ring shape with an intersection point of the mounting disc and the rotation shaft as a center.
6. The fan of claim 1, wherein the arcuate path of rotation is a plurality of segments, and wherein the plurality of segments are symmetrically disposed about the axis of rotation.
7. The fan of claim 1, wherein the guide member alone or in combination with the impeller forms a receiving chamber, the receiving chamber is disposed along the rotation path, and the balance member is disposed in the receiving chamber.
8. The fan of claim 7 wherein the balance is a spherical or massive solid or the balance is a liquid.
9. The fan of claim 1, wherein the number of the balance members is at least two, and the guide member is further provided with a spacer for spacing at least two of the balance members.
10. The fan of claim 1 wherein the balance of the balance is 2 to 5 times the dynamic unbalance of the impeller and the mass of the balance is 1 to 3 times the maximum dynamic eccentric mass of the impeller.
11. The wind turbine of claim 1, wherein the speed ramp-up gradient of the wind turbine is less than or equal to 200 Rpm/s.
12. A range hood, comprising a housing, a volute disposed within the housing, and a fan according to any one of claims 1 to 11 disposed within the volute, the housing being formed with an air inlet and an air outlet, the fan being configured to draw smoke from the air inlet and to discharge the smoke through the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021384455.5U CN213392746U (en) | 2020-07-14 | 2020-07-14 | Smoke machine and fan thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021384455.5U CN213392746U (en) | 2020-07-14 | 2020-07-14 | Smoke machine and fan thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392746U true CN213392746U (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021384455.5U Active CN213392746U (en) | 2020-07-14 | 2020-07-14 | Smoke machine and fan thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213392746U (en) |
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2020
- 2020-07-14 CN CN202021384455.5U patent/CN213392746U/en active Active
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