CN212407118U - Hub structure, centrifugal fan and cooking utensil - Google Patents
Hub structure, centrifugal fan and cooking utensil Download PDFInfo
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- CN212407118U CN212407118U CN202020965687.3U CN202020965687U CN212407118U CN 212407118 U CN212407118 U CN 212407118U CN 202020965687 U CN202020965687 U CN 202020965687U CN 212407118 U CN212407118 U CN 212407118U
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Abstract
The utility model discloses a wheel hub structure, centrifugal fan and cooking utensil, wheel hub structure inside is formed with a mounting groove that is used for the installation of power supply machine subassembly, wheel hub structure has first end and the second end that is located its axis side, the mounting groove is in the first end of wheel hub structure is formed with uncovered, wheel hub structure has seted up the intercommunication the trompil of mounting groove, wheel hub structure is in trompil department is provided with air current disturbance structure when wheel hub structure rotates, air current disturbance structure is used for the disturbance the air current of trompil department makes the mounting groove passes through the trompil carries out the air current exchange with the external world, the technical scheme of the utility model can solve the problem that the heat that motor element work in the mounting groove of wheel hub structure produced among the prior art did not well shed.
Description
Technical Field
The utility model relates to an air-out device and have cooking utensil's of air-out device technical field, in particular to wheel hub structure, centrifugal fan and cooking utensil.
Background
Centrifugal fan is widely used in various radiating occasions of needs and cooking utensil to cooking utensil is the example, and the cooking utensil that uses the commercial power to carry out the heating can produce a large amount of heats at during operation inside components and parts, need dispel the heat to inside components and parts through setting up the fan, and a lot of cooking utensils at present adopt centrifugal fan to dispel the heat to inside components and parts.
Centrifugal fan includes the spiral case and locates impeller subassembly in the spiral case, impeller subassembly includes the wheel hub structure and locates a plurality of blades of wheel hub structure, wherein, the middle part of wheel hub structure is provided with the mounting groove, this mounting groove is used for supplying power machine subassembly (including stator module and stator module) installation, and motor subassembly can generate heat at the during operation to along with centrifugal fan's power increase, motor subassembly generates heat more obviously, can not dispel because of the heat gathering and the temperature rise than higher if the heat, can lead to burning out when serious, can't work reliably for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel hub structure, centrifugal fan and cooking utensil, the not good problem of effluvium of heat that the motor element work that aims at solving in the mounting groove of wheel hub structure among the prior art produced.
In order to achieve the above object, the utility model provides a wheel hub structure is used in centrifugal fan, wheel hub structure inside is formed with a mounting groove that is used for the installation of power supply machine subassembly, wheel hub structure has first end and the second end that is located its axis direction, the mounting groove is in wheel hub structure's first end is formed with uncovered, wheel hub structure has seted up the intercommunication the trompil of mounting groove, wheel hub structure is in trompil department is provided with air current disturbance structure when wheel hub structure rotates, air current disturbance structure is used for the disturbance the air current of trompil department makes the mounting groove passes through the trompil exchanges with the external air current.
Optionally, the aperture is provided at a second end of the hub structure (102).
Optionally, the opening is provided on an end face of the second end of the hub structure.
Optionally, the opening is arranged obliquely to the axis of the hub structure;
the airflow disruption structure comprises the wall of the opening.
Optionally, the opening is tied to the hub
The inclination angle between the axes of the structure is a, and a is more than or equal to 15 degrees and less than or equal to 75 degrees.
Optionally, a section of the bore wall of the bore in the circumferential direction thereof is provided as a bore wall section inclined to the axis of the hub structure.
Optionally, the aperture has a proximal aperture wall proximal to the axis of the hub structure, a distal aperture wall distal to the axis of the hub structure, and two lateral aperture walls connecting the proximal aperture wall and the distal aperture wall;
one section pore wall that the trompil is the slope setting is located a side hole wall of trompil.
Optionally, a section of the hole wall of the hole, which is obliquely arranged, is arranged to protrude from the end surface of the second end of the hub structure.
Optionally, one section pore wall that the trompil is the slope setting has the protruding portion of outstanding the terminal surface of second end, the protruding portion have along the both ends that the trompil upwards distributes in circumference, the protruding portion is the gradual convex setting from its both ends to the centre.
Optionally, the hub structure comprises:
the middle part of the hub main body is provided with a mounting hole in a penetrating way; and the number of the first and second groups,
the inner cylinder body is sleeved in the mounting hole of the hub main body, one end of the inner cylinder body is provided with an opening, the mounting groove is limited by the inner cylinder body, and the other end of the inner cylinder body forms a second end of the hub structure;
the trompil is located the other end of interior barrel, just the other end of interior barrel is in the local book of trompil department turns over, in order to form the trompil is one section pore wall that the slope set up.
Optionally, a spoiler protrusion is provided on an inner side of the second end of the hub structure beside the opening;
the airflow disturbance structure comprises the disturbance flow protrusion.
Optionally, the inner end of the bore has a proximal side proximal to the axis of the hub structure, a distal side distal to the axis of the hub structure, and two lateral sides connecting the proximal side and the distal side;
the turbulent flow protrusion is located on one side of the opening.
Optionally, the hub structure comprises:
the two ends of the hub main body are arranged in an opening manner; and the number of the first and second groups,
the inner cylinder body is sleeved in the hub main body, one end of the inner cylinder body is arranged in an opening mode, the inner cylinder body defines the mounting groove, and the other end of the inner cylinder body forms a second end of the hub structure;
the opening is formed in the other end of the inner barrel, the inner side of the other end of the inner barrel is located at the opening, and the opening is partially folded to form the turbulent flow protrusion.
Optionally, the open holes are circular holes or square holes; and/or the presence of a gas in the gas,
the trompil sets up a plurality ofly, a plurality of trompil is the annular distribution along the axis of wheel hub.
The utility model also provides a centrifugal fan, including the wheel hub structure, wheel hub structure inside is formed with a mounting groove that is used for the installation of power supply machine subassembly, the wheel hub structure has first end and the second end that is located its axis side, the mounting groove is in the first end of wheel hub structure is formed with uncovered, wheel hub has structurally seted up the intercommunication the trompil of mounting groove, the wheel hub structure is in trompil department is provided with air current disturbance structure when the wheel hub structure rotates, air current disturbance structure is used for the disturbance the air current of trompil department makes the mounting groove passes through the trompil exchanges with the external air current.
The utility model also provides a cooking utensil, including centrifugal fan, centrifugal fan includes the wheel hub structure, the inside mounting groove that is used for the installation of power supply machine subassembly that is formed with of wheel hub structure, the wheel hub structure has first end and the second end that is located its axis side, the mounting groove is in the first end of wheel hub structure is formed with uncovered, wheel hub has structurally seted up the intercommunication the trompil of mounting groove, the wheel hub structure is in trompil department is provided with air current disturbance structure when the wheel hub structure rotates, air current disturbance structure is used for the disturbance the air current of trompil department makes the mounting groove passes through the trompil carries out the air current exchange with the external world.
Optionally, the cooking appliance is an electromagnetic heating cooking appliance.
The technical scheme of the utility model, state wheel hub and structural intercommunication the trompil of mounting groove, wheel hub structure is in trompil department is provided with air current disturbance structure when wheel hub structure rotates, air current disturbance structure is used for the disturbance the air current of trompil department makes the mounting groove passes through the trompil carries out the air current exchange with the external world, exchanges with external air current in the mounting groove to the heat effluvium that produces the motor element in the mounting groove avoids the heat gathering and the temperature rises to too high, and the problem that motor element burns out appears in the serious person.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective exploded view of an embodiment of a centrifugal fan provided by the present invention;
FIG. 2 is a perspective view of a first embodiment of the hub structure of FIG. 1;
FIG. 3 is a schematic plan view of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along plane C-C of FIG. 3;
FIG. 5 is a perspective view of a second embodiment of the hub structure of FIG. 1;
FIG. 6 is a schematic plan view of FIG. 5;
FIG. 7 is a schematic cross-sectional view taken along plane D-D of FIG. 6;
FIG. 8 is a perspective view of a third embodiment of the hub structure of FIG. 1;
FIG. 9 is a schematic plan view of FIG. 8;
FIG. 10 is a schematic cross-sectional view taken along plane E-E of FIG. 9;
FIG. 11 is a perspective view of a fourth embodiment of the hub structure of FIG. 1;
FIG. 12 is a schematic plan view of FIG. 11;
FIG. 13 is a schematic cross-sectional view taken along plane F-F of FIG. 12;
FIG. 14 is a perspective view of a fifth embodiment of the hub structure of FIG. 1;
FIG. 15 is a schematic plan view of FIG. 14;
FIG. 16 is a schematic cross-sectional view taken along plane G-G of FIG. 15;
fig. 17 is an exploded perspective view of fig. 14.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an impeller subassembly, centrifugal fan and cooking utensil, cooking utensil is equipped with centrifugal fan, in order to pass through centrifugal fan dispels the heat to cooking utensil's inside components and parts. The cooking appliance may be, but is not limited to, an electromagnetic heating cooking appliance, and specifically, the cooking appliance may be an induction cooker, a cooking machine, or the like, without limitation. Fig. is an embodiment of the centrifugal fan provided by the present invention, the centrifugal fan 100 includes a volute 101 and a hub structure 102, the hub structure 102 is disposed in the volute 101, in this embodiment, the volute 101 includes a bottom casing 101a and a cover 101b, the bottom casing 101a and the cover 101b jointly enclose and close to form the volute 101, the centrifugal fan 100 further includes a stator assembly 103, a rotor assembly 104 and a rotating shaft 105.
In the case of an induction cooker, for example, by increasing the power of the centrifugal fan 100, as the power of the centrifugal fan 100 increases, the power of the corresponding motor assembly of the centrifugal fan 100 increases, so that more coil windings of the corresponding motor assembly (including the stator assembly 103 and the rotor assembly 104) are provided, and the resistance of the coil windings increases, and thus, a larger amount of heat is generated.
In a general scenario, heat of the motor assembly in the centrifugal fan 100 can be dissipated by itself, however, in the cooking appliance, especially the electromagnetic cooking appliance, a lot of heat is generated inside the cooking appliance, and therefore, the heat inside the cooking appliance causes a large resistance to the dissipation of the heat of the motor assembly, and therefore, the heat of the motor assembly is difficult to dissipate without the aid of external force. Therefore, the present application improves the hub structure 102 to improve the heat dissipation performance of the motor assembly.
Fig. 2 to 17 show an embodiment of a hub structure according to the present invention, please refer to fig. 2 to 4, in the embodiment of the present invention, the hub structure 102 is formed with a mounting groove 1 for mounting a motor assembly (as shown in fig. 1, the motor assembly includes a stator assembly 103 and a rotor assembly 104), the hub structure 102 has a first end A and a second end B in the axial direction thereof, the mounting groove 1 is formed with an opening 11 at the first end A of the hub structure 102, the hub structure 102 is provided with an opening 2 communicated with the mounting groove 1, the hub structure 102 is provided with an airflow disturbance structure 3 at the opening 2, when the hub structure 102 rotates, the airflow disturbing structure 3 is used for disturbing the airflow at the opening 2, so that the mounting groove 1 is in airflow exchange with the outside through the opening 2.
The technical scheme of the utility model, seted up the intercommunication on the wheel hub structure 102 trompil 2 of mounting groove 1, wheel hub structure 102 is in 2 departments of trompil are provided with air current disturbance structure 3 when wheel hub structure 102 rotates, air current disturbance structure 3 is used for the disturbance the air current of 2 departments of trompil makes mounting groove 1 passes through trompil 2 exchanges with the external world air current, exchanges with the external air current in through mounting groove 1 to the heat effluvium that produces the motor element in the mounting groove 1 avoids the heat gathering and the temperature rises to too high, and the problem that motor element burns out appears in the serious person.
The position of the opening 2 disposed on the hub structure 102 is not limited, and in order to enable the air flow to circulate from the first end a to the second end B of the hub structure 102 to increase the heat dissipation effect, in this embodiment, the opening 2 is disposed on the second end B of the hub structure 102, and may be disposed on the end surface of the second end B of the hub structure 102, or may be disposed on the side surface of the second end B, specifically, in this embodiment, the opening 2 is disposed on the end surface of the second end B of the hub structure 102, and the disposition of the opening 2 on the end surface is easier to achieve from the manufacturing perspective compared with the disposition of the opening 2 on the side surface.
The number of the openings 2 is not limited, and may be one or multiple, obviously, the larger the number is, the better the heat dissipation effect of the motor assembly in the mounting groove 1 is, in this embodiment, the number of the openings 2 is multiple, and specifically, in this embodiment, the multiple openings 2 are circumferentially arranged along the axis of the hub structure 102, and correspondingly, the airflow disturbance structures 3 are also provided in multiple numbers and are also circumferentially arranged along the axis of the hub structure 102, when rotating, the airflows formed respectively can be aggregated, the airflow disturbance effect is more obvious, and accordingly, the heat dissipation effect is also better.
The shape of the opening 2 is not limited, and may be irregular, circular or square, as shown in fig. 5 to 7, in an embodiment of the present invention, the opening 2 is a circular hole, and in another embodiment, as shown in fig. 2 to 4, the opening 2 is a square.
When the hub structure 102 rotates, the airflow disturbance structure 3 rotates along with the hub structure 102, the airflow disturbance structure 3 drives the airflow to flow during the rotation, and further, a low-pressure area is generated in an area of the airflow disturbance structure 3, so as to facilitate the airflow to flow from the high-pressure area to the low-pressure area, and the airflow disturbance structure 3 is disposed at the opening 2 (either in the opening 2 or near the opening 2), so as to facilitate the airflow to circulate from the opening 2 to the outside in the mounting groove 1. The specific implementation form and the specific structure of the airflow disturbance structure 3 are not limited, and the embodiments of the present invention are combined below to respectively describe the implementation manner of the airflow disturbance structure 3.
The air flow disturbance structure 3, in one embodiment, is as follows:
in an embodiment of the present invention, please refer to fig. 2 to 4 or fig. 5 to 7, the opening 2 is disposed in an inclined manner with respect to the axis of the hub structure 102, the airflow disturbance structure 3 includes the hole wall 3a of the opening 2, and the opening 2 is directly disposed in an inclined manner with respect to the axis of the hub structure 102, so as to form the airflow disturbance structure 3 through the hole wall 3a of the opening 2 without additionally disposing other structures, which is simple in structure and easy to implement, and when the hub structure 102 is integrally formed, the opening 2 can be directly formed.
The angle of inclination between trompil 2 and the axis of wheel hub structure 102 is a, and a should not be too little, and the disturbance effect to the air current is just relatively weak if too little, so in the utility model discloses in, a is more than or equal to 15, and simultaneously, a should not be too big, if a is too big, then trompil 2 is just inconvenient manufacturing, especially to work as wheel hub structure 102 adopts integrative injection moulding, and a is too big inconvenient drawing of patterns.
Another embodiment of the airflow disturbance structure 3 is as follows:
in another embodiment of the present invention, please refer to fig. 8 to 10, a section of the hole wall 3a of the opening 2 in the circumferential direction is set as a hole wall section 3b inclined with respect to the axis of the hub structure 102, and the airflow disturbance structure 3 includes a section of the hole wall 3a of the opening 2 in an inclined arrangement, i.e. in an embodiment of the present invention, instead of the inclined arrangement of the whole hole, the inclined arrangement of the whole hole wall 3a is provided, and the inclined arrangement of the section of the hole wall 3a is provided, so that the manufacturing is more convenient and easy to be realized, for example, the hole wall can be formed by direct stamping, and in particular, there is a detailed description in the subsequent embodiments.
In general, as long as a segment of the hole wall 3a of the opening 2 in the circumferential direction thereof is disposed to be inclined from the axis of the hub structure 102, the effect of disturbing the airflow can be achieved during the rotation, obviously, the specific location of a segment of the hole wall 3b of the opening 2 is different, in this embodiment, the opening 2 has a proximal hole wall close to the axis of the hub structure 102, a distal hole wall far away from the axis of the hub structure 102, and two lateral hole walls connecting the proximal hole wall and the distal hole wall, and a segment of the hole wall 3a of the opening 2 disposed in an inclined manner is located on a lateral hole wall of the opening 2, that is, in this embodiment, a segment of the lateral hole wall of the opening 2 is disposed as the hole wall 3b disposed in an inclined manner, obviously, when the hub structure 102 rotates, the disturbing action of the side hole wall of the opening 2 is stronger than that of the side hole wall and the far side hole wall, so that the heat dissipation effect is better.
Further, in this embodiment, the section of the hole wall 3a of the hole 2 that is obliquely arranged is arranged to protrude from the end surface of the second end B of the hub structure 102, so that the length of the section of the hole wall 3a of the hole 2 that is obliquely arranged along the length direction of the hole 2 is increased, and the disturbance effect of the airflow is further enhanced. In order to make the end surface of the section of hole wall 3a of the hole 2 that is obliquely arranged to protrude from the second end B of the hub structure 102 less abrupt, on the one hand, stress concentration can be avoided, and on the other hand, when the air flow is disturbed, the air flow is more stable, further, in this embodiment, the section of hole wall 3a of the hole 2 that is obliquely arranged has a protruding portion 31B that protrudes from the end surface of the second end B, the protruding portion 31B has two ends that are distributed along the circumferential direction of the hole 2, and the protruding portion 31B is gradually protruded from the two ends to the middle, so that stress concentration at the two ends of the protruding portion 31B is avoided, and the protruding portion 31B is more stable when the air flow is disturbed.
In yet another embodiment of the airflow disturbance structure 3, the following is specifically mentioned:
in another embodiment of the present invention, please refer to fig. 11 to 13 or fig. 14 to 17, a spoiler protrusion 3c is disposed on the inner side of the second end B of the hub structure 102 beside the opening 2, and the airflow spoiler structure 3 includes the spoiler protrusion 3 c. That is, a disturbing protrusion 3c is disposed inside the second end B of the hub structure 102, i.e. inside the mounting groove 1, to form the airflow disturbing structure 3, so as to directly disturb the airflow in the mounting groove 1.
As long as the inner side of the second end B of the hub structure 102 is provided with turbulence protrusions 3c beside the opening 2, generally, it is possible to function as turbulence during rotation, and it is obvious that, the specific positions of the turbulence protrusions 3c are different, the effect of the airflow disturbance action is also different, in this embodiment, the inner end of the opening 2 has a proximal side close to the axis of the hub structure 102, a distal side far from the axis of the hub structure 102, and two lateral sides connecting the proximal side and the distal side, and the spoiler protrusion 3c is located on one lateral side of the opening 2, obviously, when the hub structure 102 rotates, the turbulence protrusion 3c is disposed on one side of the opening 2, and compared with the turbulence protrusion 3c disposed on the near side or far side of the opening 2, the turbulence effect on the airflow is stronger and the heat dissipation effect is better.
The embodiments of the airflow disturbing structure 3 are described above with reference to the respective embodiments, and obviously, the present invention is not limited to the above embodiments, and the airflow disturbing structure 3 can be understood as long as the structure can form airflow disturbance at the opening 2 when the hub structure 102 rotates, so as to enable the mounting groove 1 to exchange airflow with the outside.
The hub structure 102 may be integrally disposed or separately disposed, in an embodiment of the present invention, please refer to fig. 8 to 10 or fig. 14 to 17, the hub structure 102 is disposed in a separate manner, specifically, the hub structure 102 includes a hub main body 102a and an inner cylinder 102B, a mounting hole is formed inside the hub main body 102a, the inner cylinder 102B is sleeved in the mounting hole of the hub main body 102a, one end of the inner cylinder 102B is disposed in an opening manner, the inner cylinder 102B defines the mounting groove 1, the other end of the inner cylinder 102B forms a second end B of the hub structure 102, and the opening 2 is disposed at the other end of the inner cylinder 102B.
For the second embodiment of the airflow disturbance structure 3, the other end of the inner cylinder 102b is partially folded at the opening 2 to form a section of hole wall 3a, where the opening 2 is obliquely arranged, and for the third embodiment of the airflow disturbance structure 3, the inner side of the other end of the inner cylinder 102b is partially folded at the opening 2 to form the spoiler protrusion 3 c. For this purpose, the hub main body 102a is integrally formed by injection molding, and the inner cylinder 102b may be, but not limited to, a metal member, so that the opening 2 may be directly formed by stamping the inner cylinder 102b, and a section of the hole wall 3a or the spoiler protrusion 3c is formed by blanking and flipping, thereby making the manufacturing of the airflow spoiler structure 3 easier.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (17)
1. The utility model provides a wheel hub structure is used in centrifugal fan, its characterized in that, wheel hub structure inside is formed with a mounting groove that is used for the installation of power supply machine subassembly, wheel hub structure has first end and the second end that is located its axis direction, the mounting groove is in wheel hub structure's first end is formed with uncovered, wheel hub structure is last to have seted up the intercommunication the trompil of mounting groove, wheel hub structure is in trompil department is provided with air current disturbance structure when wheel hub structure rotates, air current disturbance structure is used for the disturbance the air current of trompil department makes the mounting groove passes through the trompil exchanges with the external air current.
2. The hub structure of claim 1, wherein the opening is provided at the second end of the hub structure.
3. A hub structure according to claim 2, wherein the opening is provided in an end face of the second end of the hub structure.
4. A hub structure according to claim 3, wherein the opening is arranged obliquely to the axis of the hub structure;
the airflow disruption structure comprises the wall of the opening.
5. A hub structure according to claim 4, wherein the angle of inclination between the openings and the axis of the hub structure is a, 15 ° ≦ a ≦ 75 °.
6. A hub structure according to claim 3, wherein a segment of the bore wall of the bore in the circumferential direction thereof is provided as a bore wall segment inclined to the axis of the hub structure.
7. The hub structure of claim 6, wherein the aperture has a proximal aperture wall proximal to the axis of the hub structure, a distal aperture wall distal to the axis of the hub structure, and two lateral aperture walls connecting the proximal aperture wall and the distal aperture wall;
one section pore wall that the trompil is the slope setting is located a side hole wall of trompil.
8. A hub structure according to claim 6, wherein the opening is provided as an inclined section of the wall of the bore protruding from the end face of the second end of the hub structure.
9. The hub structure of claim 8 wherein the hole has an inclined hole wall with a protrusion protruding from the end surface of the second end, the protrusion having two ends circumferentially distributed along the hole, the protrusion being gradually convex from the two ends to the middle.
10. A hub structure according to claim 8 or 9, characterized in that the hub structure comprises:
the middle part of the hub main body is provided with a mounting hole in a penetrating way; and the number of the first and second groups,
the inner cylinder body is sleeved in the mounting hole of the hub main body, one end of the inner cylinder body is provided with an opening, the mounting groove is limited by the inner cylinder body, and the other end of the inner cylinder body forms a second end of the hub structure;
the trompil is located the other end of interior barrel, just the other end of interior barrel is in the local book of trompil department turns over, in order to form the trompil is one section pore wall that the slope set up.
11. A hub structure according to claim 3, wherein the inner side of the second end of the hub structure is provided with turbulating protrusions beside the opening;
the airflow disturbance structure comprises the disturbance flow protrusion.
12. The hub structure of claim 11, wherein the inner end of the bore has a proximal side proximate to the axis of the hub structure, a distal side distal from the axis of the hub structure, and two side sides connecting the proximal side and the distal side;
the turbulent flow protrusion is located on one side of the opening.
13. The hub structure of claim 11, wherein the hub structure comprises:
the two ends of the hub main body are arranged in an opening manner; and the number of the first and second groups,
the inner cylinder body is sleeved in the hub main body, one end of the inner cylinder body is arranged in an opening mode, the inner cylinder body defines the mounting groove, and the other end of the inner cylinder body forms a second end of the hub structure;
the opening is formed in the other end of the inner barrel, the inner side of the other end of the inner barrel is located at the opening, and the opening is partially folded to form the turbulent flow protrusion.
14. The hub structure of claim 1, wherein the openings are circular or square; and/or the presence of a gas in the gas,
the trompil sets up a plurality ofly, a plurality of trompil is the annular distribution along the axis of wheel hub.
15. A centrifugal fan comprising a hub structure according to any one of claims 1 to 14.
16. A cooking appliance comprising a centrifugal fan as claimed in claim 15.
17. The cooking appliance of claim 16, wherein the cooking appliance is an electromagnetic heating cooking appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020965687.3U CN212407118U (en) | 2020-05-29 | 2020-05-29 | Hub structure, centrifugal fan and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020965687.3U CN212407118U (en) | 2020-05-29 | 2020-05-29 | Hub structure, centrifugal fan and cooking utensil |
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| CN212407118U true CN212407118U (en) | 2021-01-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082506A (en) * | 2021-05-12 | 2021-07-09 | 苏州大学 | Apply to blood pump of artificial heart |
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- 2020-05-29 CN CN202020965687.3U patent/CN212407118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082506A (en) * | 2021-05-12 | 2021-07-09 | 苏州大学 | Apply to blood pump of artificial heart |
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