CN208380687U - A kind of engine cool high-power compacting electromagnetic fan clutch - Google Patents
A kind of engine cool high-power compacting electromagnetic fan clutch Download PDFInfo
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- CN208380687U CN208380687U CN201820619138.3U CN201820619138U CN208380687U CN 208380687 U CN208380687 U CN 208380687U CN 201820619138 U CN201820619138 U CN 201820619138U CN 208380687 U CN208380687 U CN 208380687U
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Abstract
The utility model relates to a kind of engine cool high-power compacting electromagnetic fan clutch, including the main shaft for being connect with engine, it is located on the main shaft and is rotatably socketed with the first radiator with one end of engine interconnecting piece opposite side, first radiator includes shell, the shell is located at main shaft and the end of engine interconnecting piece side is equipped with the first soft iron disk, the outer surface of outer cover is fixed with multiple first cooling fins, there is at non-installation cooling fin position multiple groups ventilation hole on shell, multiple second cooling fins are installed on the internal valve of the conical shell, second cooling fin one end protrudes from shell the end face for installing the first soft iron disk end, when the utility model solves electromagnetic fan clutch flexible connection, the heat that induced current generates leads to the connection bearing of fan fixed disk, it is easy to connect fan structure In damage the technical issues of, solve the technical issues of fan mounting surface to main shaft mounting surface installation dimension cannot reduce.
Description
Technical field
The utility model relates to clutch apparatus technical fields, and in particular to a kind of engine cool high-power compacting
Electromagnetic fan clutch.
Background technique
Electromagnetic fan clutch is widely used in vehicle motor field of radiating, wherein having the speed change electromagnetism of flexible connection
Fan clutch has temperature-responsive timely, and working condition changes the features such as impact is small.The flexible connecting structure that it is used is main
It is to be generated according to magnetic field traction or current vortex magnetic field traction principle using soft iron disk and permanent magnet relative motion.
But during the flexible connection of electromagnetic fan clutch, due to thermal effect unavoidable during electromagnetic conversion
It answers, leads to have amount of heat generation, stability for the electromagnetic fan clutch in harsh environment that works and use the longevity
Life influences very big.
Traditional electromagnetic fan clutch flexible connection, including magnet fixed disc, magnet and soft iron disk are arranged in fan
To right end inside fixed disk or along spindle shaft, the heat that electromagnetic conversion generates in the process is hindered by fan fixed disk, and heat dissipation is slow；Also
It is axially to the left along main shaft to limit fan fixed disk needs, is reserved for magnet fixed disc, magnet and soft iron disk and lays space, limit wind
Mounting surface is fanned to main shaft mounting surface installation dimension.
Illustrate by taking three-speed electromagnetic fan clutch of the China application No. is 200810139812.9 as an example, it is axially suitable along main shaft
Sequence is provided with fan fixed disk, magnet fixed disc, drive disk and electromagnetic core, and soft iron disk is mounted on the intracavitary end of fan fixed disk
On face, permanent magnet is mounted on the opposing end surface of magnet fixed disc, and when being flexibly connected, the heat that current vortex generates can be big
Amount is gathered on soft iron disk, since, without good heat-dissipating space or sinking path, current radiating mode is inside clutch
External surface area by increasing fan fixed disk radiates, and heat is avoided to transmit to bearing, causes bearing damage, and then broken
The dynamic balancing of bad fan fixed disk destroys the fixation of fan leaf.This radiating mode causes the surface shape of fan fixed disk not
It can reduce；This arrangement causes fan mounting surface to main shaft mounting surface installation dimension that cannot reduce, the material in process
Material and horsepower requirements are higher.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of engine cools with high-power
Compact electromagnetic fan clutch, when solving electromagnetic fan clutch flexible connection, the heat that induced current generates leads to wind
The easily damaged technical problem of connection bearing, the connection fan structure of fixed disk is fanned, fan mounting surface to main shaft is solved and installs
The technical issues of face installation dimension cannot reduce.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of engine cool high-power compacting electromagnetic fan clutch, including the master for being connect with engine
Axis is located on the main shaft and is rotatably socketed with the first radiator with one end of engine interconnecting piece opposite side, and described first
Radiator includes barrel-shaped shell, and the shell is located at main shaft and the end of engine interconnecting piece side is equipped with the first soft iron
Disk, the outer surface of outer cover are fixed with multiple first cooling fins, have multiple groups ventilation hole on shell at non-installation cooling fin position,
Multiple second cooling fins are installed, second cooling fin one end, which protrudes from shell, installs on the internal valve of the conical shell
The end face of first soft iron disk end.
Further, first radiator is fixedly connected with reducing sleeve, and the reducing sleeve is connect with main shaft.
Further, first radiator is rotatably connect by composite bearing with main shaft.
Further, fan fixed disk, drive plate are successively arranged along radiator to main shaft and engine interconnecting piece direction
And electromagnetic core, the fan fixed disk are rotatably connect with reducing sleeve, the drive plate is fixedly connected with main shaft, can be with master
Axis rotation, the electromagnetic core are rotatably connect with main shaft.
Further, concentric first is set between the fan fixed disk and drive plate and is attracted disk and the second actuation disk,
Described first outer diameter for being attracted disk is greater than the second outer diameter for being attracted disk, and the outside for being attracted disk positioned at second, described first is attracted disk
It is connect by the first elastic slice with fan fixed disk, described second, which is attracted disk, connects reducing sleeve by the second elastic slice.
Further, there is first coil corresponding with the first actuation disk in the electromagnetic core and be attracted disk with second
Corresponding second coil.
Further, the end face that the fan fixed disk is located at the first radiator side is equipped with and the first soft iron disk phase
Corresponding first permanent magnet.
Further, the excircle of the drive plate is fixed with the second radiator, and second radiator is located at wind
The side of fan fixed disk is equipped with the second soft iron disk, and fan fixed disk, which is located on one side end face of drive plate, to be equipped with and the second soft iron
Corresponding second permanent magnet of disk.
Further, third soft iron disk, the outer circle of the fan fixed disk are installed in the first radiator shell
Third permanent magnet corresponding with third soft iron disk is installed on all end faces.
The utility model has the beneficial effects that
1. having multiple groups ventilation hole on the first radiator of the utility model electromagnetic fan clutch, radiating surface is increased
Product, and to be exposed to clutch outermost end ventilation effect good for the first radiator, solves electromagnetic fan clutch powerful fan
When leaf is flexibly connected, the heat that induced current generates causes greatly the connection bearing of fan fixed disk, connection fan structure to be easy to damage
Bad technical problem.
2. the electromagnetic fan clutch of the utility model, permanent magnet and heat dissipation plate are all mounted on outside fan fixed disk, subtract
The intracavitary number of parts of fan fixed disk is lacked, the installation dimension of fan mounting surface to main shaft mounting surface can be reduced, solved
The technical issues of fan mounting surface to main shaft mounting surface installation dimension cannot reduce.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is the first construction for heat radiating device of the utility model schematic diagram；
Fig. 2 is 1 structural schematic diagram of the utility model embodiment；
Fig. 3 is 1 radiating principle schematic diagram of the utility model embodiment；
Fig. 4 is 2 structural schematic diagram of the utility model embodiment；
Fig. 5 is 3 structural schematic diagram of the utility model embodiment；
Fig. 6 is 4 structural schematic diagram of the utility model embodiment；
Fig. 7 is 5 structural schematic diagram of the utility model embodiment；
Fig. 8 is 6 structural schematic diagram of the utility model embodiment；
Wherein, 1. main shaft, 2. first radiators, 201. cylinder type shells, 202. tapered shells, 203. bulge-structures,
204. first soft iron disks, 205. first cooling fins, 206. ventilation holes, 207. second cooling fins, 3. reducing sleeves, 4. fans are fixed
Disk, 5. drive plates, 6. electromagnetic cores, 601. first coils, 602. second coils, 7. first bearings, 8. second bearings, 9.
One permanent magnet, 10. first are attracted disk, and 11. second are attracted disk, 12. first spring leafs, 13. second spring pieces, 14. second heat dissipations
Device, 15. second soft iron disks, 16. second permanent magnets, 17. 3rd bearings, 18. third soft iron disks, 19. third permanent magnets, 20.
Composite bearing.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As the heat spreader that background technique is introduced, and existing electromagnetic fan clutch electromagnetic conversion generates in the process
Slowly, and fan mounting surface is to main shaft mounting surface installation dimension, in view of the above-mentioned problems, present applicant proposes a kind of engine cool use
High-power compacting electromagnetic fan clutch.
In a kind of exemplary embodiment embodiment 1 of the application, as shown in Figure 1-3, a kind of engine cool is with high-power
Compact electromagnetic fan clutch is located at and engine interconnecting piece on the main shaft including the main shaft 1 for connecting with engine
One end of opposite side is equipped with the first radiator 2, and first radiator includes barrel-shaped shell, and the shell is integral type
Cylinder type shell 201, tapered shell 202 and the bulge-structure 203 that end is relatively large in diameter positioned at conical shell, the bulge-structure
Inside the first soft iron disk 204 is installed, multiple first cooling fins 205, the cone are fixed on the outer circumference surface of the shell
There are two groups of ventilation holes 206, i.e. ventilation hole is located at two neighboring first and dissipates on shell body at the position of the first cooling fin of non-installation
At backing position, multiple second cooling fins 207 are installed on the inner surface of the conical shell and bulge-structure, described first dissipates
Centrifugal cooling fin can be used in backing and the second cooling fin, and the first radiator is exposed to except clutch, does not stop, heat dissipation
Fastly, the first cooling fin increasing heat radiation area is set, the second cooling fin increasing heat radiation area while the second cooling fin pair again are set
Heat dissipation is blowed in the first following permanent magnets, reduces the first following permanent magnetism temperatures.Cooling fin cooperates multiple groups ventilation hole, dissipates
Heat is faster.
The shell, the first cooling fin and the second cooling fin are all made of aluminium and are made, electrically conductive, but can not magnetic conduction.
The shell, which is located on the end face of engine opposite side one end, is fixed with reducing sleeve 3, and the reducing sleeve is ladder-like set
Barrel structure, including the different both ends quill of diameter, the quill being relatively large in diameter is located at engine side, the diameter compared with
Big quill is rotatably connected by first bearing 7 with main shaft.
It is successively arranged fan fixed disk 4 along the main shaft in the first radiator to engine Yu main shaft interconnecting piece direction, passes
Moving plate 5 and electromagnetic core 6.
The fan fixed disk passes through the rotatably excircle with the lesser quill of diameter on reducing sleeve of second bearing 8
There are certain gaps for the inner peripheral surface of surface connection, the outside circumference of fan fixed disk and the first radiator, between described
Stand-off distance is from for 1mm-3mm, and in the present embodiment, the clearance distance is 2mm, and the first heat dissipation dress is located in the fan fixed disk
The end face for setting side is equipped with the first permanent magnet 9 corresponding with the first soft iron disk, and first permanent magnet has one group or more
Group, first permanent magnet are circumferentially distributed along main-shaft axis.
The drive plate is fixed on main shaft by woodruff key, and the rotation of main shaft can be with the synchronous rotation of nutating disk.
Concentric first be distributed is set between the fan fixed disk and drive plate and is attracted disk 10 and the second actuation disk 11, institute
The diameter for stating the first actuation disk is greater than the second diameter for being attracted disk, and first, which is attracted disk, is located on the outside of the second actuation disk, and described first
It is attracted disk to connect by bolt and the first spring leaf 12 with the end face that magnet fixed disc is located at drive plate side, second, which is attracted disk, leads to
It crosses bolt and second spring piece 13 and is connect with the end face that the quill of reducing sleeve being relatively large in diameter is located at drive plate side.
The second radiator 14 is fixed on the outer circumference surface of the drive plate, second radiator is circular ring type disk
Shape structure, is made of aluminium material, is located at fan fixed disk side and is equipped with the second soft iron disk 15, is located in fan fixed disk
The second permanent magnet 16 corresponding with the second soft iron disk, second permanent magnet edge are set accordingly on the end face of drive plate side
Main shaft is axially circumferentially distributed, settable one or more groups of.
The electromagnetic core is rotatably connect by 3rd bearing 17 with main shaft, with the inside the electromagnetic core
One is attracted disk and the corresponding first coil 601 of the second actuation disk and the second coil 602.
The electromagnetic fan clutch course of work of the utility model are as follows:
When normal work, when engine starts from cold car state, engine temperature is low, does not need to radiate, at this point, first
Coil and the equal no power of the second coil, main shaft power can not be all transmitted in fan fixed disk, in the second radiator and wind
Under the action of the electromagnetic induction for fanning fixed disk, fan fixed disk is in the slow-speed of revolution at this time, and when engine remains in operation, temperature is gradually
It increases, when temperature reaches the first threshold of setting, the second coil is powered, and second is attracted disk fixes with drive plate absorption, main shaft
It drives second to be attracted disk rotation, and then drives the rotation of reducing sleeve and the first radiator, the first soft iron of the first radiator
Disk and the first permanent magnet of fan fixed disk are generated by electromagnetic induction principle to be flexibly connected, and the first radiator is made to drive fan
Fixed disk does differential rotation, and fan does middling speed rotation, radiates to engine, continues to increase when engine power exports, temperature
Spend further up, when reaching the second threshold of setting, first coil and the second coil are powered simultaneously, and first is attracted disk and transmission
Disk absorption is fixed, and main shaft drives fan fixed disk to move synchronously, and fan runs at high speed, and achievees the purpose that strength radiates.
In the course of work, the heat that the first radiator electromagnetic conversion generates is logical by what is be arranged on conical shell windward side
Air holes and the first cooling fin form the first wind path, and gap is formed between the second cooling fin and bulge-structure end face and the first permanent magnet
Second wind path takes away a large amount of heat using the rotation of double wind paths and the first cooling fin and the second cooling fin, makes to be transmitted to first
Bearing and the heat of second bearing greatly reduce, and avoid the damage of first bearing and second bearing.
In another embodiment 2 of the application, as shown in figure 4, third soft iron disk 18, phase is arranged in the inner end face in shell
That answers is arranged third permanent magnet 19 on the outer circumference surface of fan fixed disk, can further increase the torque of flexible connection, make
The fan of same specification can reach higher revolving speed in flexible connection, remaining structure is same as Example 1.
In another embodiment 3 of the application, as shown in figure 5, it is not provided with the second radiator, remaining structure and embodiment
1 is identical.
In another embodiment 4 of the application, as shown in fig. 6, third soft iron disk is arranged in the inner end face in shell, accordingly
Third permanent magnet is set on the outer circumference surface of fan fixed disk, remaining structure is same as Example 3.
In another embodiment 5 of the application, as shown in fig. 7, being not provided with reducing sleeve, fan fixed disk passes through composite bearing
20 connect with main shaft, and the first radiator is fixedly connected with the middle ring of composite bearing, remaining structure is same as Example 4.
In another embodiment 6 of the application, as shown in figure 8, reducing sleeve is fixedly connected with main shaft, it is not provided with the second suction
Disk, second spring piece and the second coil are closed, the middling speed rotation of fan fixed disk can be realized in original state, when temperature reaches certain
When value, when first coil is powered, main shaft drives fan fixed disk seat high-speed rotation.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (9)
1. a kind of engine cool high-power compacting electromagnetic fan clutch, including the main shaft for being connect with engine,
It is rotatably socketed with the first radiator with one end of engine interconnecting piece opposite side it is characterized in that, being located on the main shaft,
First radiator includes shell, and it is soft that the end that the shell is located at main shaft and engine interconnecting piece side is equipped with first
Iron pan, the outer surface of outer cover are fixed with multiple first cooling fins, have multiple groups ventilation on shell at non-installation cooling fin position
Hole is equipped with multiple second cooling fins on the internal valve of the shell, and second cooling fin one end, which protrudes from shell, installs
The end face of first soft iron disk end.
2. a kind of engine cool high-power compacting electromagnetic fan clutch as described in claim 1, which is characterized in that
First radiator is fixedly connected with reducing sleeve, and the reducing sleeve is connect with main shaft.
3. a kind of engine cool high-power compacting electromagnetic fan clutch as described in claim 1, which is characterized in that
First radiator is rotatably connect by composite bearing with main shaft.
4. a kind of engine cool high-power compacting electromagnetic fan clutch as claimed in claim 2, which is characterized in that
Fan fixed disk, drive plate and electromagnetic core, the wind are successively arranged along radiator to main shaft and engine interconnecting piece direction
Fan fixed disk is rotatably connect with reducing sleeve, and the drive plate is fixedly connected with main shaft, can be with main axis, the electromagnet
Core is rotatably connect with main shaft.
5. a kind of engine cool high-power compacting electromagnetic fan clutch as claimed in claim 4, which is characterized in that
Concentric first is set between the fan fixed disk and drive plate and is attracted disk and the second actuation disk, described first is attracted the outer of disk
Diameter is greater than the second outer diameter for being attracted disk, the outside for being attracted disk positioned at second, and described first, which is attracted disk, passes through the first elastic slice and fan
Fixed disk connection, described second, which is attracted disk, connects reducing sleeve by the second elastic slice.
6. a kind of engine cool high-power compacting electromagnetic fan clutch as claimed in claim 5, which is characterized in that
Have in the electromagnetic core and is attracted the corresponding first coil of disk and the second coil corresponding with the second actuation disk with first.
7. a kind of engine cool high-power compacting electromagnetic fan clutch as claimed in claim 4, which is characterized in that
The end face that the fan fixed disk is located at the first radiator side is equipped with the first permanent magnet corresponding with the first soft iron disk.
8. a kind of engine cool high-power compacting electromagnetic fan clutch as claimed in claim 4, which is characterized in that
The excircle of the drive plate is fixed with the second radiator, and second radiator is located at the side installation of fan fixed disk
There is the second soft iron disk, fan fixed disk, which is located on one side end face of drive plate, is equipped with the second permanent magnetism corresponding with the second soft iron disk
Body.
9. a kind of engine cool high-power compacting electromagnetic fan clutch as claimed in claim 4, which is characterized in that
Third soft iron disk is installed in the first radiator shell, is equipped on the outer circumferential end face of the fan fixed disk and the
The corresponding third permanent magnet of three soft iron disks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619138.3U CN208380687U (en) | 2018-04-27 | 2018-04-27 | A kind of engine cool high-power compacting electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619138.3U CN208380687U (en) | 2018-04-27 | 2018-04-27 | A kind of engine cool high-power compacting electromagnetic fan clutch |
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| Publication Number | Publication Date |
|---|---|
| CN208380687U true CN208380687U (en) | 2019-01-15 |
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ID=64972958
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820619138.3U Active CN208380687U (en) | 2018-04-27 | 2018-04-27 | A kind of engine cool high-power compacting electromagnetic fan clutch |
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| CN (1) | CN208380687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541405A (en) * | 2021-07-28 | 2021-10-22 | 珠海格力电器股份有限公司 | Encoder assembly and motor with same |
-
2018
- 2018-04-27 CN CN201820619138.3U patent/CN208380687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541405A (en) * | 2021-07-28 | 2021-10-22 | 珠海格力电器股份有限公司 | Encoder assembly and motor with same |
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