CN206364638U - Micromachine and fan - Google Patents
Micromachine and fan Download PDFInfo
- Publication number
- CN206364638U CN206364638U CN201621290314.0U CN201621290314U CN206364638U CN 206364638 U CN206364638 U CN 206364638U CN 201621290314 U CN201621290314 U CN 201621290314U CN 206364638 U CN206364638 U CN 206364638U
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- China
- Prior art keywords
- micromachine
- bearing
- rotating shaft
- motor
- coil
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model embodiment discloses a kind of micromachine, and it includes：Rotating shaft, clutch shaft bearing and second bearing, clutch shaft bearing and second bearing are respectively sleeved at the two ends of rotating shaft, and clutch shaft bearing and second bearing are installed on motor body.The utility model embodiment discloses a kind of fan, and it includes above-mentioned micromachine.The micromachine and fan that the utility model embodiment is provided are by two bearings come fixed rotating shaft, rotating shaft relative to traditional micromachine is arranged in axle sleeve, bearing and the frictional force of rotating shaft are small, and rotating shaft is fixed by two bearings, it will not be shifted because of carrying, it can avoid producing friction with other parts, so as to improve the service life of micromachine.
Description
Technical field
The utility model embodiment is related to technical field of motors, and in particular to a kind of micromachine and fan.
Background technology
Micromachine refers to that the diameter of axle of rotating shaft is less than or equal to 3mm motor.At present, traditional micromachine includes
Rotating shaft and axle sleeve, rotating shaft are directly nested in inside axle sleeve, and butter is filled between rotating shaft and axle sleeve.During axis of rotation, by
Need to bear the load of rotating shaft in axle sleeve, directly rubbed when rotating shaft shifts with axle sleeve, cause axle sleeve to wear and tear, contract
The life-span of short motor.
The content of the invention
In view of this, the utility model embodiment proposes a kind of micromachine and fan, to solve above-mentioned technical problem.
The utility model embodiment provides a kind of micromachine, and it includes：Motor body, rotating shaft, clutch shaft bearing and second
Bearing, clutch shaft bearing and second bearing are respectively sleeved at the two ends of rotating shaft, and clutch shaft bearing and second bearing are installed in motor master
On body.
Alternatively, clutch shaft bearing and second bearing are double sealed bearing.
Alternatively, in addition to motor cover, motor body is arranged in the motor cover, the first end of rotating shaft and second
End protrudes from the motor cover respectively.
Alternatively, axial trough is provided with the first end of rotating shaft, axle card is arranged on axial trough.
Alternatively, in addition to motor mounting plate, the motor mounting plate has mounting hole, and the inwall of the mounting hole is circumferential
Extension forms mounting cylinder, and mounting cylinder is arranged on the inside of coil, and the second end of the rotating shaft passes through the mounting hole, positioned at mounting hole
It is outside.
Alternatively, in addition to coil and magnet, magnet is arranged on the inwall of the motor cover, and coil is arranged on motor
On installing plate, coil is located between motor body and magnet.
Alternatively, mounting cylinder has leading portion, stage casing and back segment, and the external diameter of leading portion is equal with the internal diameter of coil, stage casing it is interior
Footpath and external diameter are all higher than the internal diameter and external diameter of leading portion, and the internal diameter of back segment is more than the internal diameter in stage casing, and the external diameter in back segment and stage casing is equal.
Alternatively, in addition to shaft-cup, shaft-cup lid is located on motor body.
Alternatively, circuit board is additionally provided with motor mounting plate, circuit board is connected with coil.
The utility model embodiment also provides a kind of fan, and it includes micromachine as described above.
The utility model embodiment provide micromachine and fan by two bearings come fixed rotating shaft, relative to tradition
The rotating shaft of micromachine is arranged in axle sleeve, and the frictional force of bearing and rotating shaft is small, and rotating shaft is fixed by two bearings, Bu Huiyin
Shifted for carrying, can avoid producing friction with other parts, so as to improve the service life of micromachine.
Brief description of the drawings
Fig. 1 is the sectional view of the micromachine of the utility model embodiment.
Fig. 2 is the front view of the micromachine of the utility model embodiment.
Fig. 3 is the side view of the micromachine of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is described in detail.
Embodiment one
Fig. 1 shows the sectional view of the micromachine of the utility model embodiment, and Fig. 2 shows the utility model embodiment
Micromachine front view, Fig. 3 shows the side view of micromachine, and it includes motor body 12, rotating shaft 1, clutch shaft bearing 2
With second bearing 3, clutch shaft bearing 2 and second bearing 3 are respectively sleeved at the two ends of rotating shaft 1, rotating shaft 1, the axle of clutch shaft bearing 2 and second
3 are held to be installed on motor body.
Rotating shaft relative to traditional micromachine is arranged in axle sleeve, and the micromachine that the utility model embodiment is provided leads to
Cross two bearings and carry out fixed rotating shaft, the frictional force of bearing and rotating shaft is small, and rotating shaft is fixed by two bearings, will not be because of carrying
And shift, it can avoid producing friction with other parts, so as to improve the service life of micromachine.Traditional micro electric
Machine General Life was at 8000 hours, and the life-span for the micromachine that the utility model embodiment is provided is about 100,000 hours.
Embodiment two
Alternatively, as shown in figure 1, clutch shaft bearing 2 and second bearing 3 are double sealed bearing.Double sealed bearing can be
Two side seals of bearing.The both sides band dust cap of bearing is may also be, is covered with dust with realizing.The rotating part of double sealed bearing not with outside
Boundary is directly contacted, in sealed environment, it is ensured that bearing more stably works.
Alternatively, motor internal is entered to reduce external dust, the micromachine also includes motor cover 4, motor master
Body is arranged in the motor cover 4, and the first end of rotating shaft 1 and the second end protrude from the motor cover 4 respectively, positioned at motor
The outside of cover lid 4.
Alternatively, axial trough is provided with the first end of rotating shaft 1, axle card 5 is arranged on axial trough, and axle card 5 is used for fixed rotating shaft 1
Hole to motion, it is ensured that axis of rotation is stable.
Alternatively, as shown in figure 1, the micromachine also includes motor mounting plate 8, motor mounting plate 8 is used for will be miniature
Motor is fixedly mounted in other equipment.The motor mounting plate 8 has mounting hole, circumferentially extends one along the inwall of mounting hole
Individual mounting cylinder 9.Mounting cylinder 9 is arranged on the inner side of coil 7, and the second end of rotating shaft 1 passes through mounting hole, outside mounting hole.
Alternatively, the micromachine also includes coil 7 and magnet 6, and magnet 6 is arranged on the inwall of the motor cover
On, coil 7 is arranged on motor mounting plate 8, and coil 7 is located between motor body 12 and magnet 6, and coil 7 and magnet 6 are used to produce
Raw electromagnetic field.
For the ease of motor mounting plate 8 and coil install compact, reduce the volume of motor, 9 points of mounting cylinder is leading portion, stage casing
And back segment.The external diameter of leading portion is equal with the internal diameter of coil 7, may be such that motor mounting plate inserts coil inside, to reduce motor peace
The total length of plate and motor is filled, volume is saved.The internal diameter and external diameter in the stage casing of mounting cylinder 9 are all higher than the internal diameter and external diameter of leading portion,
It can prevent dust from entering in the space between coil and rotating shaft, improve the sealing property of rotating shaft.The internal diameter of the back segment of mounting cylinder 9 is big
The external diameter in the internal diameter in stage casing, back segment and stage casing is equal.
Alternatively, to prevent dust from entering the second end of rotating shaft, the micromachine also includes shaft-cup 10, and the lid of shaft-cup 10 is set
On motor body, the internal diameter of shaft-cup 10 is equal with the external diameter of motor body 12.The opening of shaft-cup 10 is located in mounting cylinder, shaft-cup
External diameter it is equal with the internal diameter of the back segment of mounting cylinder 9, may be such that in the insertion mounting hole of shaft-cup 10, shorten the length of whole micromachine
Degree, and the sealing property of shaft-cup and motor mounting plate can also be improved.
Alternatively, circuit board 11 is additionally provided with motor mounting plate, circuit board 11 is connected with coil 7, with control coil work
Make.
Embodiment three
The utility model embodiment also provides a kind of fan, and it includes the micromachine in as above any embodiment.Fan
Using the micromachine in above-described embodiment, the service life of fan can be improved, fan frequency of maintenance is reduced, saving is produced into
This.
More than, the technical solution of the utility model is described in detail in conjunction with specific embodiments, described is specific
Embodiment is used to help understand thought of the present utility model.Those skilled in the art are on the basis of the utility model specific embodiment
On the derivation made and modification fall within the utility model protection domain.
Claims (10)
1. a kind of micromachine, it is characterised in that including：Motor body, rotating shaft, clutch shaft bearing and second bearing, clutch shaft bearing
The two ends of rotating shaft are respectively sleeved at second bearing, clutch shaft bearing and second bearing are installed on motor body.
2. micromachine as claimed in claim 1, it is characterised in that clutch shaft bearing and second bearing are double sealed bearing.
3. micromachine as claimed in claim 1 or 2, it is characterised in that also including motor cover, motor body is arranged on institute
State in motor cover, the first end of rotating shaft and the second end protrude from the motor cover respectively.
4. micromachine as claimed in claim 3, it is characterised in that axial trough is provided with the first end of rotating shaft, axle card is installed
On axial trough.
5. micromachine as claimed in claim 3, it is characterised in that also including motor mounting plate, the motor mounting plate tool
There is mounting hole, the inwall of the mounting hole circumferentially extends to form mounting cylinder, mounting cylinder is arranged on the inside of coil, the of the rotating shaft
Two ends pass through the mounting hole, outside mounting hole.
6. micromachine as claimed in claim 5, it is characterised in that also including coil and magnet, magnet is arranged on the electricity
On the inwall of cowl cover, coil is located on motor mounting plate, and coil is located between the motor body and magnet.
7. micromachine as claimed in claim 6, it is characterised in that mounting cylinder has outside leading portion, stage casing and back segment, leading portion
Footpath is equal with the internal diameter of coil, and the internal diameter and external diameter in stage casing are all higher than the internal diameter and external diameter of leading portion, and the internal diameter of back segment is more than stage casing
Internal diameter, the external diameter in back segment and stage casing is equal.
8. micromachine as claimed in claim 6, it is characterised in that also including shaft-cup, shaft-cup lid is located on motor body.
9. micromachine as claimed in claim 6, it is characterised in that circuit board, circuit board are additionally provided with motor mounting plate
It is connected with coil.
10. a kind of fan, it is characterised in that including the micromachine as described in claim 1-9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290314.0U CN206364638U (en) | 2016-11-29 | 2016-11-29 | Micromachine and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290314.0U CN206364638U (en) | 2016-11-29 | 2016-11-29 | Micromachine and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364638U true CN206364638U (en) | 2017-07-28 |
Family
ID=59373516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621290314.0U Active CN206364638U (en) | 2016-11-29 | 2016-11-29 | Micromachine and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364638U (en) |
-
2016
- 2016-11-29 CN CN201621290314.0U patent/CN206364638U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |