CN220036983U - Fan motor with injection molding shell - Google Patents
Fan motor with injection molding shell Download PDFInfo
- Publication number
- CN220036983U CN220036983U CN202320985078.8U CN202320985078U CN220036983U CN 220036983 U CN220036983 U CN 220036983U CN 202320985078 U CN202320985078 U CN 202320985078U CN 220036983 U CN220036983 U CN 220036983U
- Authority
- CN
- China
- Prior art keywords
- hole
- shell
- motor assembly
- main shaft
- bearing bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 9
- 238000013016 damping Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the field of motors, in particular to an injection molding shell fan motor, which comprises a shell; the shell is of an integral injection molding structure, a motor assembly is arranged at the inner bottom of the shell, a wiring board is arranged at the lower end of the motor assembly, and a bearing bracket is sleeved at the upper end of the motor assembly; the bearing support is of a convex structure, a main shaft is arranged at the working end of the motor assembly, two bearings are arranged between the main shaft and the bearing support at intervals, and a damping impeller is arranged at the top of the main shaft; the beneficial effects of the utility model are as follows: the whole integrated into one piece is adopted through the shell, practices thrift man-hour, reduces the processing degree of difficulty, has reduced the equipment process, reduces the cost of fan motor for the hair-dryer complete machine is lighter, and reinforcing use is experienced, avoids the frequency band that people's ear hearing threshold is most sensitive, and the frequency of shaking is higher than 7000Hz, and people's ear is most sensitive to 1K-4KHz frequency sound, weakens to high frequency hearing, and the shell of moulding plastics has promoted the sense of hearing travelling comfort.
Description
Technical Field
The utility model relates to the field of motors, in particular to an injection molding shell fan motor.
Background
The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. The fan is a common short for gas compression and gas conveying machinery in China, and the fan generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains, inflating and propelling wind tunnel wind source and air cushion ship, etc.
However, the air duct shell in the existing fan is mostly made of metal materials, so that vibration frequency is 2000-4000hz when the fan works, noise is easy to generate, and practicability is reduced.
Disclosure of Invention
The utility model provides a technical scheme capable of solving the problems in order to overcome the defects of the prior art.
An injection molded housing blower motor includes a housing;
the shell is of an integral injection molding structure, a motor assembly is arranged at the inner bottom of the shell, a wiring board is arranged at the lower end of the motor assembly, and a bearing bracket is sleeved at the upper end of the motor assembly;
the bearing support is of a convex structure, a main shaft is arranged at the working end of the motor assembly, two bearings are arranged between the main shaft and the bearing support at intervals, and a damping impeller is arranged at the top of the main shaft;
the shell includes outer lane and hole, and the hole is convex structure, and the interior upper portion shaping of hole has the back-off, and the outer downside of hole is provided with a plurality of fin, and the interval is provided with a plurality of stator between hole and the outer lane, and the upper end setting of bearing bracket is in the inside of hole and with the mutual interference fit between the hole, respectively contradicts each other between the top of bearing bracket and the back-off, between the middle part of bearing bracket and stator and the fin.
As a further scheme of the utility model: the guide vanes are obliquely arranged on the inner wall of the outer ring, and radial projections of adjacent guide vanes are mutually overlapped.
As a further scheme of the utility model: the middle part of bearing support has been seted up a plurality of through-hole, and the outside of hole is provided with a plurality of enhancement portion, and a plurality of logical groove has been seted up through the enhancement portion in the outside of hole, and the fin sets up the inside at logical groove respectively, and every through-hole corresponds a enhancement portion setting respectively, and every through-hole cooperates with the logical groove of enhancement portion both sides respectively and forms the louvre.
As a further scheme of the utility model: a pre-pressing shaft sleeve is arranged between the two bearings, and the upper side and the lower side of the pre-pressing shaft sleeve are respectively in mutual interference with the bearings.
As a further scheme of the utility model: one side of the lower end of the bearing bracket is outwards inclined and provided with a grounding.
Compared with the prior art, the utility model has the beneficial effects that: the whole integrated into one piece is adopted through the shell, practices thrift man-hour, reduces the processing degree of difficulty, has reduced the equipment process, reduces the cost of fan motor for the hair-dryer complete machine is lighter, and reinforcing use is experienced, avoids the frequency band that people's ear hearing threshold is most sensitive, and the frequency of shaking is higher than 7000Hz, and people's ear is most sensitive to 1K-4KHz frequency sound, weakens to high frequency hearing, and the shell of moulding plastics has promoted the sense of hearing travelling comfort.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate this embodiment or the technical solutions of the prior art, the drawings that are required for the description of the embodiment or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic structural view of the housing.
Fig. 4 is a cross-sectional view of the housing.
Fig. 5 is a schematic view of the mounting structure of the housing and the bearing bracket.
Fig. 6 is a schematic structural view of the bearing bracket.
The figure shows: 1. a housing; 2. a motor assembly; 3. a wiring board; 4. a bearing support; 5. a main shaft; 6. a bearing; 7. damping impeller; 8. an outer ring; 9. an inner bore; 10. reversing; 11. a rib; 12. a guide vane; 13. a through hole; 14. a reinforcing part; 15. a through groove; 16. a heat radiation hole; 17. pre-pressing a bearing; 18. and (5) grounding.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-6, an injection molded housing blower motor includes a housing 1;
the shell 1 is of an integral injection molding structure, a motor assembly 2 is arranged at the inner bottom of the shell 1, a wiring board 3 is arranged at the lower end of the motor assembly 2, and a bearing bracket 4 is sleeved at the upper end of the motor assembly 2;
the bearing bracket 4 is of a convex structure, a main shaft 5 is arranged at the working end of the motor assembly 2, two bearings 6 are arranged between the main shaft 5 and the bearing bracket 4 at intervals, and a damping impeller 7 is arranged at the top of the main shaft 5;
the shell 1 comprises an outer ring 8 and an inner hole 9, the inner hole 9 is of a convex structure, a back-off 10 is formed on the inner upper portion of the inner hole 9, a plurality of fins 11 are arranged on the outer lower side of the inner hole 9, a plurality of guide vanes 12 are arranged between the inner hole 9 and the outer ring 8 at intervals, the upper end of the bearing support 4 is arranged in the inner hole 9 and in interference fit with the inner hole 9, the top of the bearing support 4 is in interference fit with the back-off 10, and the middle of the bearing support 4 is respectively in interference contact with the guide vanes 12 and the fins 11.
The motor assembly 2 drives the main shaft 5 to rotate through the mutual electric connection of the wiring board 3 and an external controller, so that the damping impeller 7 rotates, and the normal work of the fan is realized; the shell 1 is manufactured by injection molding integrally, so that the cost can be effectively saved, the processing difficulty is reduced, the frequency band which is most sensitive to avoiding the hearing threshold of the human ear is generated during working, and the hearing comfort is improved; the bearing support 4 is formed by stamping a metal plate, is in interference fit with the inner hole 9, is loose fit with the middle part of the guide vane 2 concentrically with the bearing support 4, is positioned at the connecting position of the inner hole 9 and the bearing support 4 in the middle part in the axial direction, the rib 11 is in contact with the bending part of the bearing support 4, the other end of the bearing support 4 is in contact with the back-off 10 of the inner hole 9, and the two parts ensure the positioning in the axial direction.
As a further scheme of the utility model: the guide vanes 12 are arranged on the inner wall of the outer ring 8 in an inclined manner, and radial projections of adjacent guide vanes 12 are overlapped with each other.
A more efficient fluid vane 12 structure may be formed and flow efficiency may become higher.
As a further scheme of the utility model: the middle part of bearing support 4 has seted up a plurality of through-hole 13, and the outside of hole 9 is provided with a plurality of reinforcing part 14, and the outside of hole 9 has seted up a plurality of through-groove 15 through reinforcing part 14, and rib 11 sets up respectively in the inside of through-groove 15, and every through-hole 13 corresponds a reinforcing part 14 setting respectively, and every through-hole 13 cooperates with the through-groove 15 of reinforcing part 14 both sides respectively and forms louvre 16.
The entrainment effect of the high-speed air flow of the main air duct (guide vane 12 channel) drives the air flow in the motor assembly 2 to be merged into the main air duct through the heat dissipation holes 16 for being discharged, so that the heat dissipation of the motor assembly 2 is ensured, and the working efficiency of the motor assembly 2 is improved.
As a further scheme of the utility model: a pre-pressing shaft sleeve 17 is arranged between the two bearings 6, and the upper side and the lower side of the pre-pressing shaft sleeve 17 are respectively mutually abutted with the bearings 6.
The pre-pressure required by the bearing 6 is ensured, so that the bearing 6 stably operates, the operating noise of the bearing 6 is reduced, and the dynamic balance of the motor assembly 2 is improved.
As a further scheme of the utility model: one side of the lower end of the bearing bracket 4 is provided with a ground 18 in an outward inclined manner.
For safety protection, the specification requires that the motor must be repeatedly grounded, so as to ensure the failure rate of equipment and personal safety.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An injection molded housing fan motor, characterized in that: comprises a shell;
the shell is of an integral injection molding structure, a motor assembly is arranged at the inner bottom of the shell, a wiring board is arranged at the lower end of the motor assembly, and a bearing bracket is sleeved at the upper end of the motor assembly;
the bearing support is of a convex structure, a main shaft is arranged at the working end of the motor assembly, two bearings are arranged between the main shaft and the bearing support at intervals, and a damping impeller is arranged at the top of the main shaft;
the shell includes outer lane and hole, and the hole is convex structure, and the interior upper portion shaping of hole has the back-off, and the outer downside of hole is provided with a plurality of fin, and the interval is provided with a plurality of stator between hole and the outer lane, and the upper end setting of bearing bracket is in the inside of hole and with the mutual interference fit between the hole, respectively contradicts each other between the top of bearing bracket and the back-off, between the middle part of bearing bracket and stator and the fin.
2. The injection molded case blower motor of claim 1, wherein: the guide vanes are obliquely arranged on the inner wall of the outer ring, and radial projections of adjacent guide vanes are mutually overlapped.
3. The injection molded case blower motor of claim 1, wherein: the middle part of bearing support has been seted up a plurality of through-hole, and the outside of hole is provided with a plurality of enhancement portion, and a plurality of logical groove has been seted up through the enhancement portion in the outside of hole, and the fin sets up the inside at logical groove respectively, and every through-hole corresponds a enhancement portion setting respectively, and every through-hole cooperates with the logical groove of enhancement portion both sides respectively and forms the louvre.
4. The injection molded case blower motor of claim 1, wherein: a pre-pressing shaft sleeve is arranged between the two bearings, and the upper side and the lower side of the pre-pressing shaft sleeve are respectively in mutual interference with the bearings.
5. The injection molded case blower motor of claim 1, wherein: one side of the lower end of the bearing bracket is outwards inclined and provided with a grounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320985078.8U CN220036983U (en) | 2023-04-26 | 2023-04-26 | Fan motor with injection molding shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320985078.8U CN220036983U (en) | 2023-04-26 | 2023-04-26 | Fan motor with injection molding shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036983U true CN220036983U (en) | 2023-11-17 |
Family
ID=88721151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320985078.8U Active CN220036983U (en) | 2023-04-26 | 2023-04-26 | Fan motor with injection molding shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036983U (en) |
-
2023
- 2023-04-26 CN CN202320985078.8U patent/CN220036983U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3006743B1 (en) | Fan and method of cooling a motor | |
| CN113027795A (en) | Fan and cleaning equipment | |
| KR102147730B1 (en) | Blowers with BMC motor that increase ventilation volume and minimize vibration noise | |
| CN220036983U (en) | Fan motor with injection molding shell | |
| CN102334266B (en) | Motor with cooling fan | |
| CN214533727U (en) | Air cooling system of magnetic suspension centrifugal blower | |
| CN101325352A (en) | Air-cooled motor | |
| CN214595730U (en) | Fan and sweeping robot | |
| CN209976838U (en) | Air leakage prevention structure of fan | |
| CN218913272U (en) | Shell structure for efficient centrifugal blower | |
| CN108843594A (en) | A kind of band side turns the pipeline fan in circle air port | |
| CN220118350U (en) | Small-outer-diameter concentrated air outlet blower | |
| CN215890526U (en) | Cross-flow fan and blowing device | |
| CN205195503U (en) | Motor with heat dissipation function | |
| CN210003541U (en) | novel fans | |
| CN212717241U (en) | Heat radiation structure of airflow generator | |
| CN211666870U (en) | Heat dissipation fan for air compressor | |
| CN215444472U (en) | Dry and wet fan and cleaning equipment | |
| CN212057474U (en) | Strong convection type warmer | |
| CN210033899U (en) | Fan with noise reduction function | |
| CN215566865U (en) | Low-noise fan for metallurgical processing | |
| CN212003704U (en) | Novel waterproof centrifugal fan | |
| CN213521563U (en) | Interior cooling structure of permanent-magnet machine | |
| CN218913203U (en) | High-efficient centrifugal air-blower | |
| CN219220791U (en) | Heat radiation fan cover and equipment with heat radiation fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |