CN114337103B - FDY chuck motor cooling body - Google Patents
FDY chuck motor cooling body Download PDFInfo
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- CN114337103B CN114337103B CN202111540486.4A CN202111540486A CN114337103B CN 114337103 B CN114337103 B CN 114337103B CN 202111540486 A CN202111540486 A CN 202111540486A CN 114337103 B CN114337103 B CN 114337103B
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Abstract
The invention discloses an FDY chuck motor cooling mechanism which comprises a fan and a mounting connecting piece, wherein the fan comprises a fan body and a mounting hole formed in the middle of the fan body, a limiting surface is arranged on the inner surface of the mounting hole, and the weight of the fan on one side of the limiting surface is different from the weight of the fan on the side opposite to the limiting surface; the mounting connecting piece comprises a mounting part for mounting the fan and a connecting part in transmission connection with the rotating shaft of the chuck motor; the mounting part comprises a balancing weight arranged on the connecting part and a mounting shaft formed on the balancing weight, the fan is mounted on the mounting shaft through a mounting hole, the central line of the mounting hole, the axial line of the mounting shaft, the central line of the balancing weight and the axial line of the chuck motor rotating shaft are overlapped, and when the fan is mounted on the mounting shaft, the mounting part and the fan jointly form a combined body, and the gravity center of the combined body is located on the axial line of the chuck motor rotating shaft; the cooling mechanism has excellent dynamic balance performance, strong overall stability, good cooling effect and good safety.
Description
Technical Field
The invention relates to the field of equipment for textile production, in particular to an FDY chuck motor cooling mechanism.
Background
The winding machine is one of the important production devices in the textile industry, and the working principle of each type of winding machine is approximately the same at present. The Fully Drawn Yarn (FDY) winder has the advantages that the rotating speed of the chuck motor is high, the heat productivity is high, the conventional external fan is basically used for cooling at present, the environment temperature of the FDY winding area is high, the external fan is easy to damage by heat and needs to be frequently replaced, the production cost is greatly improved, the cooling effect of the external fan is required to be improved, the overtemperature fault of the chuck motor accounts for more than 30% of the total fault of an electrometer, and the production is greatly influenced.
To the above-mentioned problem, also someone has proposed a chuck motor radiator fan, this fan includes the transmission shaft, impeller and apron, the transmission shaft both ends all are equipped with the disc, be equipped with the constant head tank on the transmission shaft between the disc, the outside of one of them disc is equipped with the threaded shaft who links to each other with chuck motor rear axle, another disc outside is equipped with the fixed axle of installation impeller, the impeller passes through the apron to be fixed on the disc, the apron passes through the mounting to be fixed on the disc, this chuck motor radiator fan's the mode that sets up utilizes chuck motor self power drive fan work, partial electric energy has been practiced thrift, but this kind of radiator fan is in the in-service use, lead to the chuck motor to vibrate greatly in the use easily, the abnormal sound is frequent, there is serious potential safety hazard.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a novel FDY chuck motor cooling mechanism which has excellent dynamic balance, strong overall stability, good safety and capability of avoiding causing unexpected vibration of a chuck motor on the basis of driving a fan to work by utilizing the power of the chuck motor.
In order to achieve the purpose, the invention adopts the following technical scheme: an FDY chuck motor cooling mechanism comprises a fan, wherein the fan comprises a fan body and a mounting hole formed in the middle of the fan body, a limiting surface is arranged on the inner surface of the mounting hole, and the weight of the fan on one side of the limiting surface is different from the weight of the fan on the side opposite to the limiting surface;
the cooling mechanism further comprises an installation connecting piece, and the installation connecting piece comprises an installation part for installing the fan and a connecting part in transmission connection with the rotating shaft of the chuck motor;
the installation department is including setting up balancing weight and formation on the connecting portion are in installation axle on the balancing weight, the fan passes through the mounting hole is installed on the installation epaxial, the central line of mounting hole the axial lead of installation axle the central line of balancing weight the axial lead coincidence of chuck motor pivot works as the fan is installed when installing epaxially, the installation department with the focus that the fan constitutes the combination jointly is located on the axial lead of chuck motor pivot.
In the invention, the central line of the mounting hole refers to the axial lead of the mounting hole when the mounting hole rotates along with the fan in the rotating process; the central line of the balancing weight refers to a shaft axis line of the balancing weight rotating along with the rotation of the chuck motor rotating shaft.
According to some preferred aspects of the present invention, the counterweight includes a counterweight body and a plurality of counterweight ports formed on the counterweight body, the mounting shaft being located between the plurality of counterweight ports;
through the adjustment each side on the counter weight body the quantity of counter weight hole and/or adjustment each side on the counter weight body the aperture size of counter weight hole, and then make the installation department with the focus that the fan constitutes the combination jointly is located the axis of chuck motor pivot.
According to some preferred and specific aspects of the present invention, the counterweight bodies are symmetrically arranged along the extending direction of the mounting shaft.
According to some preferred and specific aspects of the present invention, the weight ports are through holes.
According to some preferred aspects of the present invention, the weight ports extend in a direction parallel to the mounting shaft.
According to some preferred aspects of the present invention, the mounting shaft is formed with a locking hole provided in an extending direction thereof;
the cooling mechanism further comprises a locking member which is inserted into the locking hole through the mounting hole, and the locking member is pressed against the peripheral side surface of the mounting hole.
According to some preferred aspects of the present invention, the limiting surface is a plane, and all surfaces of the inner surface of the mounting hole except the limiting surface are arc-shaped surfaces.
Furthermore, a matching limiting part is formed on the outer wall of the mounting shaft, and the matching limiting part is matched with the limiting surface to realize relative fixation of the fan and the mounting shaft in the rotating direction.
According to some preferred aspects of the present invention, the surface of the engagement limiting portion is a planar structure, and a corner portion is provided between the planar structure and the other surface of the outer wall of the mounting shaft except for the engagement limiting portion, and the corner portion is used for limiting the rotation of the fan relative to the mounting shaft in the rotation direction.
According to some preferred aspects of the present invention, the fan further comprises a plurality of fan blades, a plurality of stabilizing stiffeners;
a bulge is formed on one side, close to the mounting shaft, of the fan body, the mounting hole penetrates through the bulge, and the plurality of stabilizing reinforcing pieces are uniformly distributed on the peripheral side of the bulge and are fixedly connected with the bulge;
the fan blades are uniformly arranged on one side, far away from the mounting shaft, of the fan body.
According to some preferred aspects of the invention, the connecting part comprises a connecting body and a speed measuring gear disc, wherein the connecting body is in transmission connection with the rotating shaft of the chuck motor and is detachably connected with the mounting part, and the speed measuring gear disc is sleeved on the connecting body.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
at present, aiming at the heat dissipation of the FDY chuck motor, an external cooling fan is basically adopted for cooling, but the working environment for placing the FDY chuck motor is high in temperature, so that the external cooling fan is subjected to high temperature for a long time, the service life of the FDY chuck motor is seriously reduced, frequent replacement is needed, and the generation cost is greatly increased; through continuous analysis of the inventor, the balance of the chuck motor in the rotation process is insufficient due to the defects of the structure, and dynamic balance is difficult to achieve, namely, the fan is stressed unevenly in all directions in the rotation process, so that the chuck motor is easy to damage, has large vibration and abnormal sound, and the cooling effect is seriously reduced along with the time, so that the over-temperature fault of the chuck motor is caused, and the production is greatly influenced;
based on the above findings, the inventor of the present invention has newly provided a novel FDY chuck motor cooling mechanism, which is characterized in that a spacing surface is provided for a fan based on spacing stability in the installation process, the spacing surface is easy to cause unbalanced stress in each direction of the fan in the rotation process, the invention adds a specially designed balancing weight and an installation shaft formed on the balancing weight, so that when the fan is installed on the installation shaft, the center of gravity of an assembly formed by the installation part and the fan is located on the axis of the chuck motor rotating shaft, and the center line of the installation hole, the axis of the installation shaft, the center line of the balancing weight and the axis of the chuck motor rotating shaft are coincident, the balancing weight comprises a balancing weight body and a plurality of balancing weight holes formed on the balancing weight body, and further, the center of gravity of the assembly formed by the installation part and the fan is located on the axis of the chuck motor rotating shaft through the change of the balancing weight holes designed on the balancing weight body, so that the cooling mechanism of the present invention has excellent dynamic balance on the basis of the operation of the chuck motor driven by the power of the chuck motor, the whole has strong stability, the obvious and good cooling effect, and the problem of the existing cooling mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an FDY chuck motor cooling mechanism according to an embodiment of the present invention;
FIG. 2 is an exploded view of an FDY chuck motor cooling mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting link according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fan according to an embodiment of the present invention;
wherein, 1, a fan; 11. a fan body; 111. a protrusion; 12. mounting holes; 13. a fan blade; 14. a stabilization reinforcement; 2. installing a connecting piece; 21. an installation part; 2111. a counterweight body; 2112. a weight port; 2113. a threaded hole; 212. installing a shaft; 2121. a locking hole; 2122. matching with the limiting part; 213. a bolt; 22. a connecting portion; 221. a connecting body; 222. speed measurement toothed disc.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
At present, aiming at the heat dissipation of the FDY chuck motor, an external cooling fan is basically adopted for cooling, but the working environment for placing the FDY chuck motor is high in temperature, so that the external cooling fan is subjected to high temperature for a long time, the service life of the FDY chuck motor is seriously reduced, frequent replacement is needed, and the generation cost is greatly increased; through continuous analysis of the inventor, the balance of the chuck motor in the rotation process is insufficient due to the defects of the structure, and dynamic balance is difficult to achieve, namely, the fan is stressed unevenly in all directions in the rotation process, so that the chuck motor is easy to damage, has large vibration and abnormal sound, and the cooling effect is seriously reduced along with the time, so that the over-temperature fault of the chuck motor is caused, and the production is greatly influenced;
based on the above findings, the inventor of the present invention has newly provided a novel FDY chuck motor cooling mechanism, which is characterized in that a spacing surface is provided for a fan based on spacing stability in the installation process, the spacing surface is easy to cause unbalanced stress in each direction of the fan in the rotation process, the invention adds a specially designed balancing weight and an installation shaft formed on the balancing weight, so that when the fan is installed on the installation shaft, the center of gravity of an assembly formed by the installation part and the fan is located on the axis of the chuck motor rotating shaft, and the center line of the installation hole, the axis of the installation shaft, the center line of the balancing weight and the axis of the chuck motor rotating shaft are coincident, the balancing weight comprises a balancing weight body and a plurality of balancing weight holes formed on the balancing weight body, and further, the center of gravity of the assembly formed by the installation part and the fan is located on the axis of the chuck motor rotating shaft through the change of the balancing weight holes designed on the balancing weight body, so that the cooling mechanism of the present invention has excellent dynamic balance on the basis of the operation of the chuck motor driven by the power of the chuck motor, the whole has strong stability, the obvious and good cooling effect, and the problem of the existing cooling mechanism.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, the present example provides an FDY chuck motor cooling mechanism, which includes a fan 1 and a mounting connector 2, where the fan 1 includes a fan body 11 and a mounting hole 12 formed in the middle of the fan body 11, the inner surface of the mounting hole 12 is provided with a limiting surface, and the weight of the fan 1 on one side of the limiting surface is different from the weight of the fan 1 on the opposite side of the limiting surface;
the mounting connecting piece 2 comprises a mounting part 21 for mounting the fan 1 and a connecting part 22 in transmission connection with a rotating shaft of the chuck motor;
In this example, the center line of the mounting hole 12 refers to the axial line when the mounting hole 12 rotates along with the fan 1 in the rotation process; the central line of the balancing weight is the axial line of the balancing weight rotating along with the rotating shaft of the chuck motor.
In this embodiment, the connecting portion 22 includes a connecting body 221 for being connected to the chuck motor through a rotating shaft and detachably connected to the mounting portion 21, and a speed measuring gear plate 222, wherein the speed measuring gear plate 222 is sleeved on the connecting body 221, so as to provide the cooling mechanism with more functions.
In this example, as shown in fig. 1, which exemplarily shows a schematic view of the overall structure of the FDY chuck motor cooling mechanism of this example, according to this schematic view, it can be known that the installation connector 2 is configured to not only provide supportable installation of the fan 1, but also not affect the rotation of the fan 1, and at the same time, the air volume of the fan 1 can be maximally oriented to the FDY chuck motor.
In this example, the weight block includes a weight body 2111 and a plurality of weight ports 2112 formed in the weight body 2111, and the mounting shaft 212 is located between the plurality of weight ports 2112;
by adjusting the number of the counterweight holes 2112 on each side of the counterweight body 2111 and/or adjusting the aperture size of the counterweight holes 2112 on each side of the counterweight body 2111, the gravity center of the assembly formed by the mounting part 21 and the fan 1 is positioned on the axis of the rotating shaft of the chuck motor, so that the dynamic balance of the whole structure is realized, the cooling mechanism can keep lasting stability during operation, and has no abnormal sound and no vibration. Further, the weight body 2111 is symmetrically arranged along the extending direction of the mounting shaft 212, in fact, the weight body 2111 may have a disk shape, the mounting shaft 212 is formed on the central line of the disk shape, and the weight ports 2112 of this embodiment may be through holes, and the extending direction of the weight ports 2112 is parallel to the extending direction of the mounting shaft 212, so that dynamic balance can be better maintained.
In this example, the fan 1 is mounted on the mounting shaft 212 through the mounting hole 12, as shown in fig. 2-4, the inner surface of the mounting hole 12 is provided with a limiting surface, the limiting surface is a plane, and the other surfaces except the limiting surface in the inner surface of the mounting hole 12 are arc-shaped surfaces, so that the fan 1 is basically prevented from rotating when the mounting hole 12 is matched with the mounting shaft 212, that is, the fan 1 is prevented from sliding relative to the mounting shaft 212 in the rotating process, and the fan 1 is enabled to have good stability in the rotating process; further, a matching limiting portion 2122 is formed on an outer wall of the mounting shaft 212, the matching limiting portion 2122 is matched with a limiting surface to realize relative fixation of the fan 1 and the mounting shaft 212 in the rotation direction, a surface of the matching limiting portion 2122 is a planar structure, and a corner portion is formed between the planar structure and the other surface of the outer wall of the mounting shaft 212 except the matching limiting portion 2122 and used for limiting the rotation of the fan 1 relative to the mounting shaft 212 in the rotation direction; the above arrangement strongly ensures the relative stability between the fan 1 and the mounting shaft 212.
Meanwhile, the special structure designed for pursuing stability between the fan 1 and the mounting shaft 212 is based on the existence of the special structure, so that the fan 1 and the mounting shaft 212 are difficult to achieve dynamic balance after being assembled, and the operation influence in a short time is possibly small, but when the special structure is applied to the long-time high-strength operation of the FDY chuck motor, the fan 1 is gradually damaged in the rotating process due to the occurrence of the dynamic unbalance, the mounting hole 12 matched with the mounting shaft 212 is deformed or even directly cracked, and the production fault or even the production accident is caused; moreover, the deformation or even damage of the fine structure can cause the fan 1 to be unsmooth in the rotation process, so that the fan shakes, and the shaking abnormal sound is large, so that the production environment becomes noisy, and the physical and mental health of operators is not facilitated. Further, the present embodiment provides a specific weight block, and the weight holes 2112 with different apertures or different numbers are provided on each side of the weight block, that is, when the weight of each side of the weight block is controlled to match the mounting shaft 212 and the fan 1, the three components can achieve gravity balance in all directions as a whole, and the center of gravity of the assembly formed by the mounting portion 21 and the fan 1 is located on the axis of the rotating shaft of the chuck motor, so that the dynamic balance of the fan 1 in the rotating process is achieved, and the problem that may occur due to the dynamic unbalance is overcome.
Further, as shown in fig. 3-4, the counterweight in this example is further provided with a plurality of threaded holes 2113, and is further provided with bolts 213 which are matched with each threaded hole 2113 for fastening, and the number of bolts 213 is the same as that of the threaded holes 2113; meanwhile, the connecting body 221 is also provided with a matching hole formed with internal threads, the matching hole is opposite to the threaded hole 2113, the number of the matching holes is the same as that of the threaded holes 2113, the bolt 213 can penetrate through the threaded hole 2113 and then is inserted into the matching hole, the balancing weight is connected with the connecting body 221, the bolt 213 and the threaded hole 2113 are matched in a detachable mode, and parts can be replaced conveniently during later maintenance.
Further, in this example, the weight block in this example is further provided with a positioning block, the positioning block and the mounting shaft 212 are respectively disposed on opposite sides of the weight block, the positioning block can be inserted into the yielding hole of the connection body 221, as shown in fig. 2, the protruding portion on the right side of the weight block in the figure is the positioning block, and the positioning block is inserted into the connection body 221, so that a positioning effect can be achieved, the weight block and the connection body 221 can be aligned quickly, and the weight block and the connection body 221 are combined more firmly.
In this example, the mounting shaft 212 is formed with a locking hole 2121 provided along its own extending direction;
the cooling mechanism further includes a locking member (not shown) which is inserted through the mounting hole 12 and into the locking hole 2121, and which is pressed against the peripheral side surface of the mounting hole 12.
Referring to fig. 4, in this example, the fan 1 further includes a plurality of fan blades 13 and a plurality of stabilizing reinforcements 14; the side of the fan body 11 close to the mounting shaft 212 is formed with a protrusion 111, the mounting hole 12 passes through the protrusion 111, and the plurality of stabilizing reinforcing members 14 are uniformly distributed on the peripheral side of the protrusion 111 and fixedly connected with the protrusion 111, so that the protrusion 111 allowing the mounting hole 12 to pass through is firmer and firmer, deformation and damage cannot easily occur, and the long-term stable operation of the fan 1 is ensured; the fan blades 13 are uniformly arranged on the side of the fan body 11 far away from the mounting shaft 212. Specifically, the width of the fan blade 13 in the extending direction of the fan blade 13 varies, and the fan blade 13 protrudes from the fan body 11, the contour line of the fan blade 13 has at least one vertex protruding outward, and the side of the fan body 11 where the protrusion 111 is formed is concave inward, and the opposite side where the fan blade 13 is provided protrudes outward, which is more favorable for forming a large amount of cooling air toward the chuck motor.
Further, the fan blade 13 of this embodiment may be made of oil-resistant plastic, but may be made of metal, and preferably has a certain high temperature resistance.
The cooling mechanism of the FDY chuck motor with the structure has the advantages of simple layout, convenience in installation and low maintenance cost, saves energy, reduces consumption, improves the full-rolling rate, reduces unit consumption caused by faults, and better solves the heat dissipation problem of the chuck motor.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a FDY chuck motor cooling body, includes the fan, its characterized in that: the fan comprises a fan body and a mounting hole formed in the middle of the fan body, a limiting surface is arranged on the inner surface of the mounting hole, and the weight of the fan on one side of the limiting surface is different from the weight of the fan on the side opposite to the limiting surface;
the cooling mechanism further comprises an installation connecting piece, and the installation connecting piece comprises an installation part for installing the fan and a connecting part in transmission connection with the rotating shaft of the chuck motor;
the mounting part comprises a balancing weight arranged on the connecting part and a mounting shaft formed on the balancing weight, the fan is mounted on the mounting shaft through the mounting hole, the central line of the mounting hole, the axial line of the mounting shaft, the central line of the balancing weight and the axial line of the chuck motor rotating shaft are overlapped, and when the fan is mounted on the mounting shaft, the mounting part and the fan jointly form a combined body, and the center of gravity of the combined body is located on the axial line of the chuck motor rotating shaft;
the counterweight block comprises a counterweight body and a plurality of counterweight holes formed on the counterweight body, and the mounting shaft is positioned between the counterweight holes;
through the adjustment each side on the counter weight body the quantity of counter weight hole and/or adjustment each side on the counter weight body the aperture size of counter weight hole, and then make the installation department with the focus that the fan constitutes the combination jointly is located the axis of chuck motor pivot.
2. The FDY chuck motor cooling mechanism of claim 1, wherein: the counterweight body is symmetrically arranged along the extending direction of the mounting shaft.
3. The FDY chuck motor cooling mechanism of claim 1, wherein: the weight hole is a through hole.
4. The FDY chuck motor cooling mechanism of claim 1, wherein: the extending direction of the weight port is parallel to the extending direction of the mounting shaft.
5. The FDY chuck motor cooling mechanism of claim 1, wherein: a locking hole arranged along the extending direction of the mounting shaft is formed on the mounting shaft;
the cooling mechanism further includes a locking member that is inserted through the mounting hole and into the locking hole, the locking member being pressed against a peripheral side surface of the mounting hole.
6. The FDY chuck motor cooling mechanism of claim 1, wherein: the limiting surface is a plane, and the other surfaces except the limiting surface in the inner surface of the mounting hole are arc-shaped surfaces.
7. The FDY chuck motor cooling mechanism of claim 6, wherein: the outer wall of the installation shaft is provided with a matching limiting part, and the matching limiting part and the limiting surface are matched to realize the relative fixation of the fan and the installation shaft in the rotation direction.
8. The FDY chuck motor cooling mechanism of claim 7, wherein: the surface of the matching limiting part is of a plane structure, a corner part is arranged between the plane structure and the other surfaces of the outer wall of the installation shaft except the matching limiting part, and the corner part is used for limiting the fan to rotate relative to the installation shaft in the rotating direction.
9. The FDY chuck motor cooling mechanism of claim 1, wherein: the fan further comprises a plurality of fan blades and a plurality of stabilizing reinforcements;
a bulge is formed on one side, close to the mounting shaft, of the fan body, the mounting hole penetrates through the bulge, and the plurality of stabilizing reinforcing pieces are uniformly distributed on the peripheral side of the bulge and are fixedly connected with the bulge;
the fan bodies are uniformly arranged on one side, away from the mounting shaft, of the fan body.
10. The FDY chuck motor cooling mechanism of claim 1, wherein: connecting portion including be used for with chuck motor shaft transmission connect and with the connection body that installation department detachably connects, the gear dish that tests the speed, the gear dish cover that tests the speed is established on the connection body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111540486.4A CN114337103B (en) | 2021-12-16 | 2021-12-16 | FDY chuck motor cooling body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111540486.4A CN114337103B (en) | 2021-12-16 | 2021-12-16 | FDY chuck motor cooling body |
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| CN114337103A CN114337103A (en) | 2022-04-12 |
| CN114337103B true CN114337103B (en) | 2023-02-10 |
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| CN106884806A (en) * | 2017-04-27 | 2017-06-23 | 安徽江淮汽车集团股份有限公司 | Fan assembly |
| CN209838781U (en) * | 2019-03-22 | 2019-12-24 | 广州奇翔实业有限公司 | Fan mounting structure |
| CN211422987U (en) * | 2019-12-25 | 2020-09-04 | 广东美的环境电器制造有限公司 | Fan with cooling device |
| WO2021128832A1 (en) * | 2019-12-25 | 2021-07-01 | 广东美的环境电器制造有限公司 | Hinge assembly, household appliance, rotary device, and fan |
| CN213331608U (en) * | 2020-09-04 | 2021-06-01 | 襄阳康博动力科技有限公司 | Cooling fan |
| CN213064058U (en) * | 2020-09-21 | 2021-04-27 | 内蒙古拓诚传动技术有限公司 | Fan and mining motor |
| CN112648212A (en) * | 2021-01-14 | 2021-04-13 | 珠海格力电器股份有限公司 | Fan structure and fan |
| CN214274004U (en) * | 2021-01-14 | 2021-09-24 | 珠海格力电器股份有限公司 | Electric fan screen fixing structure and electric fan with same |
| CN112761982A (en) * | 2021-02-02 | 2021-05-07 | 珠海格力电器股份有限公司 | Rotating assembly and electric fan |
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