CN212231273U - Brushless motor with good heat dissipation and adjustable heat dissipation - Google Patents
Brushless motor with good heat dissipation and adjustable heat dissipation Download PDFInfo
- Publication number
- CN212231273U CN212231273U CN202020882363.3U CN202020882363U CN212231273U CN 212231273 U CN212231273 U CN 212231273U CN 202020882363 U CN202020882363 U CN 202020882363U CN 212231273 U CN212231273 U CN 212231273U
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- Prior art keywords
- heat dissipation
- motor
- shell
- push rod
- driven gear
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 116
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- 239000004411 aluminium Substances 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The technical scheme of the utility model is realized like this: a brushless motor with good heat dissipation and adjustable heat dissipation comprises a motor shell, an end cover, a motor shaft, a stator and a rotor, wherein the stator is fixed in the motor shell, the rotor is fixed on the motor shaft, the motor shell is also provided with a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation shell and at least two fans, one end, far away from the motor shell, of the heat dissipation shell is of a net structure, a driving gear is arranged on the motor shaft, a driven gear is fixed on one side of each fan, a push rod capable of controlling the driven gear to be far away from or close to the driving gear is arranged on each driven gear, and a limiting assembly used for fixing the push rod when the fan works; the utility model discloses the thermal diffusivity is adjustable, is applicable to many places and uses, does not receive the restriction of environment radiating effect itself, and application scope is wide, avoids the waste of the energy.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a good heat dissipation and adjustable heat dissipation's brushless motor.
Background
The brushless motor changes alternating frequency and wave form of current wave input to a stator coil of the brushless motor, a magnetic field rotating around a geometric axis of the motor is formed around a winding coil, and the magnetic field drives a rotor to rotate, so that a carbon brush and a commutator in the traditional brush motor are replaced, the abrasion of the carbon brush in the motor is avoided, and the service life of the motor is greatly prolonged; the existing brushless motor has poor heat dissipation performance, the motor is overheated, the heat dissipation performance of the existing motor with the heat dissipation fan cannot be adjusted, the structure of the motor can meet the heat dissipation requirement in a cold region, and the arrangement of the heat dissipation fan cannot be adjusted, so that the energy waste is caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a good heat dissipation and heat dissipation adjustable brushless motor for solve the problem among the above-mentioned background art.
The technical scheme of the utility model is realized like this: the utility model provides a good heat dissipation and adjustable brushless motor of thermal diffusivity, comprises motor casing, end cover, motor shaft, stator and rotor, and the stator is fixed in the motor casing, and the rotor is fixed on the motor shaft, its characterized in that: the end, far away from the end cover, of the motor shell is further provided with a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation shell and at least two fans, the fans are used for driving high-temperature air in the motor to flow, one end of the motor shaft extends outwards to pass through the motor shell and the heat dissipation shell, shaft sleeves are arranged at the contact positions of the motor shaft, the motor shell and the heat dissipation shell, the shaft sleeves are used for preventing the motor shaft from directly contacting and rubbing with the heat dissipation shell to generate high temperature, the working stability and the service life of the motor shaft are guaranteed, one end, far away from the motor shell, of the heat dissipation shell is of a net structure, high-temperature gas is convenient to discharge, and air; the motor shaft is fixedly provided with a driving gear, the driving gear and the fan are arranged inside the heat dissipation shell, one side of the fan is fixed with a driven gear which is meshed with the driving gear in a matched mode, a push rod which can control the driven gear to be far away from or close to the driving gear is arranged on the driven gear, a bearing is sleeved on the push rod, the bearing is embedded in the driven gear, a sliding groove is formed in the heat dissipation shell, one end of the push rod penetrates through the sliding groove and extends to the outside of the heat dissipation shell, and a limiting assembly used for fixing the push rod when the fan works is further arranged on the heat dissipation shell.
In conclusion, when the motor works, the motor shaft rotates to drive the driving gear to rotate simultaneously, the driven gear is meshed with the driving gear to rotate along with the driving gear, the fan fixedly connected with the driven gear also rotates along with the driving gear, the fan drives air in the motor to flow, high-temperature gas is discharged, the heat dissipation effect is achieved, meanwhile, the push rod can be controlled to enable the driven gear to move away from the driving gear, the fan connected with the driven gear stops working, similarly, the push rod can be controlled to control the fan to work, the number of the working fans can be controlled through the movement of the push rod, the air flow efficiency is controlled, the heat dissipation effect is controlled, the fan is suitable for multiple places, and the fan.
Preferably: the limiting assembly comprises a pressing block and a magnetic column capable of being mutually adsorbed with the pressing block, one end of the pressing block is hinged with the radiating shell, the other end of the pressing block can be pressed downwards and is far away from one end of the motor shell, the magnetic column is fixed on the outer side wall of the radiating shell and is positioned at the lower end of the pressing block, and the pressing block and the magnetic column fix the push rod between the pressing block and the magnetic column through adsorption; the fan can be prevented from falling outwards when the driven gear rotates to work, and the working stability of the fan is ensured.
Preferably: the heat dissipation assembly is detachably connected with the motor shell, the motor shell is close to one side of the heat dissipation shell is fixed with a connecting block, the connecting block is in contact with the heat dissipation shell, external threads are arranged on the connecting block, the inner side wall of the heat dissipation shell is provided with internal threads matched with the external threads on the connecting block, and the heat dissipation assembly can be rotatably installed and detached.
Preferably: be provided with the heat dissipation aluminium strip on the motor casing outer wall, the heat dissipation aluminium strip is fixed on motor casing, heat dissipation aluminium strip and motor casing integrated into one piece, the heat dissipation aluminium strip is the range upon range of setting of spiral at the motor casing lateral wall, the slope of heat dissipation aluminium strip sets up, and sets up between the adjacent heat dissipation aluminium strip and set up the heat dissipation through-hole with the inside intercommunication of motor casing.
Preferably: the side wall of the end cover is also provided with a heat dissipation ring, and the heat dissipation ring and the end cover are integrally formed.
The utility model has the advantages that: the utility model discloses a set up a plurality of fans to through the operating condition of each fan of push rod control, through the work quantity of control push rod control fan, thereby reach control motor's thermal diffusivity, make the thermal diffusivity of motor adjustable, be applicable to many places and use, do not receive the restriction of environment radiating effect itself, application scope is wide, avoids the waste of the energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic view of the installation of the push rod according to the embodiment of the present invention;
FIG. 4 is a front view of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an embodiment of the present invention;
the examples in the figure are: 1. the motor comprises a motor shell, 2, an end cover, 3, a stator, 4, a rotor, 5, a motor shaft, 6, a heat dissipation shell, 7, a fan, 8, a shaft sleeve, 9, an air vent, 10, a driving gear, 11, a driven gear, 12, a push rod, 13, a bearing, 14, a sliding groove, 15, a pressing block, 16, a magnetic column, 17, a connecting block, 18, a heat dissipation aluminum bar, 19, a heat dissipation through hole, 20 and a heat dissipation ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
First embodiment
As shown in fig. 1-3, the present invention discloses a brushless motor with good and adjustable heat dissipation, which comprises a motor housing 1, an end cap 2, a motor shaft 5, a stator 3 and a rotor 4, wherein the stator 3 is fixed in the motor housing 1, the rotor 4 is fixed on the motor shaft 5, in the specific embodiment of the present invention, a heat dissipation assembly is further disposed at one end of the motor housing 1 away from the end cap 2, the heat dissipation assembly comprises a heat dissipation housing 6 and two fans 7, the two fans 7 are symmetrically disposed along the motor shaft 5, the fans 7 are used for driving the high temperature air inside the motor to flow, one end of the motor shaft 5 extends outwards through the motor housing 1 and the heat dissipation housing 6, and the contact part of the motor shaft 5 with the motor housing 1 and the heat dissipation housing 6 is provided with a shaft sleeve 8, the shaft sleeve 8 is used for preventing the motor shaft 5 from directly contacting with, the working stability and the service life of the motor shaft 5 are ensured, one end of the heat dissipation shell 6, which is far away from the motor shell 1, is of a net structure, so that high-temperature gas can be conveniently discharged, and a vent hole 9 is formed in the contact surface of the motor shell 1 and the heat dissipation shell 6; fixed mounting has driving gear 10 on motor shaft 5, driving gear 10 and fan 7 all set up inside heat dissipation casing 6, one side of fan 7 is fixed with driven gear 11 with driving gear 10 phase-match engagement, be provided with steerable driven gear 11 on the driven gear 11 and keep away from or be close to driving gear 10's push rod 12, the cover is equipped with bearing 13 on the push rod 12, and this bearing 13 inlays to be established in driven gear 11, spout 14 has been seted up on heat dissipation casing 6, the one end of push rod 12 is passed spout 14 and is extended to heat dissipation casing 6 outside, still be provided with the spacing subassembly that is used for fixed push rod 12 at fan 7 during operation on heat dissipation casing 6.
Through the technical scheme, when the motor works, the motor shaft 5 rotates, the motor shaft 5 simultaneously drives the driving gear 10 to rotate, the driven gear 11 is meshed with the driving gear 10 and rotates along with the driving gear, the fan 7 fixedly connected with the driven gear 11 also rotates along with the driving gear, the fan 7 drives air in the motor to flow, high-temperature gas is discharged to achieve the heat dissipation effect, meanwhile, the push rod 12 can be controlled to pull outwards, the driven gear 11 is moved away from the driving gear 10, the driven gear 11 stops rotating, the fan 7 connected with the driven gear 11 stops working, similarly, the fan 7 can be controlled to work by controlling the push rod 12, the number of the working fans 7 can be controlled by controlling the movement of the push rod 12, so that the air flow efficiency is controlled, the heat dissipation effect is good, the heat dissipation performance can be adjusted, the motor is suitable for being used in multiple places and is not limited, the application range is wide, and the waste of energy is avoided.
In this embodiment, the limiting component includes a pressing block 15 and a magnetic column 16 capable of adsorbing the pressing block 15, one end of the pressing block 15 is hinged to the heat dissipation housing 6, the other end of the pressing block 15 can be pressed downward and moves away from one end of the motor housing 1 with the push rod 12, the magnetic column 16 is fixed on the outer side wall of the heat dissipation housing 6 and located at the lower end of the pressing block 15, and the pressing block 15 and the magnetic column 16 fix the push rod 12 between the pressing block 15 and the magnetic column 16 through adsorption.
Through above-mentioned technical scheme, through briquetting 15 and 16 adsorption of magnetic column, at driven gear 11 rotation during operation, fix push rod 12 between briquetting 15 and magnetic column 16, avoid outwards droing when driven gear 11 rotation during operation and lead to fan 7 bring to rest, guarantee the stability of fan 7 work, guarantee the good of radiating effect.
In this embodiment, the radiator unit can be dismantled with motor casing 1 and be connected, motor casing 1 leans on one side of radiator casing 6 is fixed with connecting block 17, connecting block 17 contacts with radiator casing 6, be provided with the external screw thread on connecting block 17, radiator casing 6 inside wall be provided with connecting block 17 on the internal thread of external screw thread assorted, the rotatable installation of radiator unit and dismantlement.
Through above-mentioned technical scheme, set up radiator unit in motor casing 1 and can dismantle the connection, conveniently dismantle the maintenance when radiator unit trouble.
Second embodiment
As shown in fig. 4 to 5, the basic operation principle of the present embodiment is the same as that described above, except that:
in this embodiment, be provided with heat dissipation aluminium bar 18 on the outer wall of motor casing 1, heat dissipation aluminium bar 18 is fixed on motor casing 1, heat dissipation aluminium bar 18 and motor casing 1 integrated into one piece, heat dissipation aluminium bar 18 is the spiral range upon range of setting at motor casing 1 lateral wall, heat dissipation aluminium bar 18 slope sets up, and sets up between the adjacent heat dissipation aluminium bar 18 and set up the heat dissipation through-hole 19 with the inside intercommunication of motor casing 1.
Through the technical scheme, the heat dissipation aluminum strips 18 which are integrally formed with the motor shell 1 are arranged, so that heat can be conveniently transferred out from the interior of the motor shell 1, the heat dissipation efficiency is improved, and meanwhile, the heat dissipation aluminum strips 18 are spirally stacked and obliquely arranged, so that the contact area between the heat dissipation aluminum strips 18 and the outside air is enlarged, and the heat dissipation speed is increased; the setting of heat dissipation through-hole 19 acts as the effect of air intake at fan 7 during operation, promotes the exchange of the inside hot-air of motor casing 1 and outside cold air, improves the radiating efficiency, acts as the louvre when fan 7 does not work, supplies the inside thermal giving off of casing, and the radiating efficiency improves.
In this embodiment, the side wall of the end cover 2 is further provided with a heat dissipation ring 20, the heat dissipation ring 20 is fixed on the motor end cover 2, the heat dissipation ring 20 and the end cover 2 are both made of aluminum, and the heat dissipation ring 20 and the end cover 2 are integrally formed; through set up heat dissipation ring 20 in the end cover 2 outside, improve the thermal diffusivity of end cover 2 department, further improve the thermal diffusivity, guarantee the stability of motor work, the life of extension motor.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a good heat dissipation and adjustable brushless motor of thermal diffusivity, comprises motor casing, end cover, motor shaft, stator and rotor, and the stator is fixed in the motor casing, and the rotor is fixed on the motor shaft, its characterized in that: the end, far away from the end cover, of the motor shell is also provided with a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation shell and at least two fans, one end of the motor shaft extends outwards to penetrate through the motor shell and the heat dissipation shell, shaft sleeves are arranged at the contact positions of the motor shaft and the motor shell as well as the heat dissipation shell, one end, far away from the motor shell, of the heat dissipation shell is of a net structure, and air vents are formed in the contact surface of the motor shell and the heat dissipation shell; the motor shaft is provided with a driving gear, the driving gear and the fan are arranged inside the heat dissipation shell, one side of the fan is fixed with a driven gear which is in matched engagement with the driving gear, the driven gear is provided with a push rod capable of controlling the driven gear to be far away from or close to the driving gear, the push rod is sleeved with a bearing, the bearing is embedded in the driven gear, the heat dissipation shell is provided with a sliding groove, one end of the push rod penetrates through the sliding groove and extends to the outside of the heat dissipation shell, and the heat dissipation shell is further provided with a limiting assembly used for fixing the push rod when the fan works.
2. The brushless motor of claim 1, wherein the heat dissipation is adjustable, and the brushless motor further comprises: spacing subassembly includes the briquetting and can with the magnetic column of briquetting mutual adsorption, the one end of briquetting is articulated with the heat dissipation casing, the magnetic column is fixed at the heat dissipation casing lateral wall and is located the briquetting lower extreme, the briquetting passes through the adsorption with the magnetic column and fixes the push rod between briquetting and magnetic column.
3. The brushless motor of claim 1, wherein the heat dissipation is adjustable, and the brushless motor further comprises: the heat dissipation assembly is detachably connected with the motor shell, the motor shell is close to one side of the heat dissipation shell is fixedly provided with a connecting block, the connecting block is in contact with the heat dissipation shell, external threads are arranged on the connecting block, and internal side walls of the heat dissipation shell are provided with internal threads matched with the external threads on the connecting block.
4. The brushless motor with good and adjustable heat dissipation as claimed in any one of claims 1-3, wherein: be provided with heat dissipation aluminium strip on the motor casing outer wall, heat dissipation aluminium strip and motor casing integrated into one piece, heat dissipation aluminium strip is the range upon range of setting of spiral at the motor casing lateral wall, heat dissipation aluminium strip slope sets up, and sets up between the adjacent heat dissipation aluminium strip and set up the heat dissipation through-hole with the inside intercommunication of motor casing.
5. The brushless motor of claim 4, wherein the heat dissipation is adjustable, and the brushless motor further comprises: the side wall of the end cover is also provided with a heat dissipation ring, and the heat dissipation ring and the end cover are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020882363.3U CN212231273U (en) | 2020-05-25 | 2020-05-25 | Brushless motor with good heat dissipation and adjustable heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020882363.3U CN212231273U (en) | 2020-05-25 | 2020-05-25 | Brushless motor with good heat dissipation and adjustable heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212231273U true CN212231273U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020882363.3U Expired - Fee Related CN212231273U (en) | 2020-05-25 | 2020-05-25 | Brushless motor with good heat dissipation and adjustable heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212231273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505686A (en) * | 2023-06-26 | 2023-07-28 | 中山格智美电器有限公司 | A rotor structure and motor for improving heat dissipation performance of an outer rotor brushless motor |
-
2020
- 2020-05-25 CN CN202020882363.3U patent/CN212231273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505686A (en) * | 2023-06-26 | 2023-07-28 | 中山格智美电器有限公司 | A rotor structure and motor for improving heat dissipation performance of an outer rotor brushless motor |
| CN116505686B (en) * | 2023-06-26 | 2023-09-26 | 中山格智美电器有限公司 | Rotor structure for improving heat dissipation performance of outer rotor brushless motor and motor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 Termination date: 20210525 |