CN217388415U - Heat radiation structure of chain saw planetary gear reduction mechanism - Google Patents
Heat radiation structure of chain saw planetary gear reduction mechanism Download PDFInfo
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- CN217388415U CN217388415U CN202220659843.2U CN202220659843U CN217388415U CN 217388415 U CN217388415 U CN 217388415U CN 202220659843 U CN202220659843 U CN 202220659843U CN 217388415 U CN217388415 U CN 217388415U
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Abstract
The utility model discloses a heat radiation structure of a chain saw planetary gear speed reducing mechanism, which comprises an installation sleeve, an end plate, a speed reducing mechanism and a motor, wherein the speed reducing mechanism is installed in an accommodating cavity formed by the installation sleeve and the end plate; the motor is connected to the end plate, the motor is connected with a cooling fan, a second cooling channel communicated with the cooling fan is arranged inside the motor, the second cooling channel is provided with an air outlet close to one side of the cooling fan and a second air inlet far away from one side of the cooling fan, the second cooling channel is communicated with the air guide opening, an air inlet area and an air outlet area are formed in the shell of the chain saw, the air inlet area is communicated with the first air inlet and the second air inlet, the air outlet area is arranged at the position of the air outlet and communicated with the air outlet, and through the arrangement, the cooling effect of the chain saw is greatly enhanced.
Description
Technical Field
The utility model relates to a garden machine's technical field, in particular to chain saw planetary gear reduction mechanism's heat radiation structure.
Background
The chain saw is a garden tool for driving a chain to cut by using a motor, the power of the chain saw is high under normal conditions, and a power system can generate a large amount of heat in the process of driving the chain saw to work, so a heat dissipation structure for dissipating heat of the power system needs to be arranged in a shell of the chain saw, the heat dissipation structure is used for the existing heat dissipation structure applied to the chain saw, such as the heat dissipation structure disclosed in Chinese patent (No. 214959047U), and the chain saw comprises heat dissipation blades installed on the motor, a first bin body used for accommodating a controller, a second bin body used for accommodating the motor and an air guide channel communicated with the first bin body and the second bin body, an air inlet is formed in the first bin body, an air outlet is formed in the second bin body, which is close to the heat dissipation blades, and the air outlet is used for guiding the heat dissipation air out of the main shell body.
In general, in order to increase the output torque of the power system, a speed reduction mechanism is generally disposed at the output end of the motor, and the power of the motor is transmitted to the chain and the guide plate of the chain saw through the speed reduction mechanism.
Disclosure of Invention
The utility model aims at providing a chain saw planetary gear reduction mechanism's heat radiation structure, under the cooling blower effect, the part air is in order to dispel the heat to reduction mechanism through first heat dissipation channel, and the part air is in order to dispel the heat to motor inside through second heat dissipation channel, has strengthened the radiating effect of chain saw greatly.
The above technical purpose of the present invention can be achieved by the following technical solutions: a heat dissipation structure of a chain saw planetary gear speed reducing mechanism comprises a mounting sleeve, an end plate, the speed reducing mechanism and a motor, wherein the speed reducing mechanism is mounted in a cavity formed by the mounting sleeve and the end plate;
the motor is connected to the other side, opposite to the speed reducing mechanism, of the end plate, the other side, opposite to the end plate, of the motor is connected with a cooling fan, a second cooling channel communicated with the cooling fan is arranged inside the motor, the second cooling channel is provided with an air outlet close to one side of the cooling fan and a second air inlet far away from one side of the cooling fan, the second cooling channel is communicated with the air guide opening, an air inlet area and an air outlet area are formed in a shell of the chain saw, the air inlet area is communicated with the first air inlet and the second air inlet, and the air outlet area is arranged at the position of the air outlet and communicated with the air outlet.
Furthermore, the first air inlet is provided with a plurality of peripheral walls which are circumferentially arranged on the mounting sleeve.
Furthermore, the second air inlet is provided with a plurality of peripheral walls which are circumferentially arranged on the motor shell.
Further, the first air inlet is formed in the other side, opposite to the end plate, of the mounting sleeve.
Furthermore, an air inlet hole communicated with the air guide opening is formed in one side, corresponding to the end plate, of the motor shell, and the air inlet hole is communicated with the second heat dissipation channel.
Further, the cooling fan is connected to an output shaft of the motor and is driven by the motor to rotate.
Further, the cooling fan is a centrifugal fan.
Further, the motor comprises a motor shell, a stator and a rotor, the stator is fixedly arranged in the motor shell, the rotor is arranged in the center of the stator and connected with the motor shell through a bearing, and the second heat dissipation channel is arranged between the stator and the rotor.
To sum up, the utility model discloses following beneficial effect has:
the motor can drive the cooling fan rotatory when work, inhales the air from the air inlet district of casing, and partial air gets into first heat dissipation channel through first air intake in order to dispel the heat to reduction gear, and partial air gets into second heat dissipation channel through the second air intake in order to dispel the heat to motor inside, and then has strengthened the radiating effect of chain saw greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view from a first perspective of a chainsaw of the present invention.
Fig. 3 is an enlarged view of the position a of the present invention.
Fig. 4 is a cross-sectional view of a second perspective of a chainsaw of the present invention.
Fig. 5 is an enlarged view of the position B of the present invention.
In the figure: 1. installing a sleeve; 11. a first heat dissipation channel; 12. a first air inlet; 2. an end plate; 21. a wind guide opening; 3. a speed reduction mechanism; 4. a motor; 41. a motor housing; 411. an air inlet hole; 42. a stator; 43. a rotor; 44. a second heat dissipation channel; 441. an air outlet; 442. a second air inlet; 5. a heat radiation fan; 6. a housing; 61. an air inlet area; 62. and an air outlet area.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-5, a heat radiation structure of chain saw planetary gear reduction mechanism 3, this heat radiation structure is used for dispelling the heat to setting up motor 4 and the speed reduction structure inside chain saw casing 6, and it includes installation cover 1, end plate 2, speed reduction mechanism 3 and motor 4, and speed reduction mechanism 3 installs in the appearance intracavity that is formed by installation cover 1 and end plate 2, is equipped with first heat dissipation channel 11 between installation cover 1 and the speed reduction mechanism 3, installation cover 1 is equipped with first air intake 12 that is linked together with first heat dissipation channel 11, and end plate 2 is equipped with the wind-guiding mouth 21 that is linked together with first heat dissipation channel 11, in the utility model discloses, first air intake 12 sets up at the opposite side of installation cover 1 for end plate 2.
Motor 4 connects in end plate 2 for the opposite side of reduction gears 3, and motor 4 is connected with cooling fan 5 for the opposite side of end plate 2, specifically, cooling fan 5 connects in motor 4's output shaft and rotates under the drive of motor 4 and then plays the convulsions effect, the utility model discloses in, cooling fan 5 is centrifugal fan.
The motor 4 is internally provided with a second heat dissipation channel 44 communicated with the heat dissipation fan 5, the second heat dissipation channel 44 is provided with an air outlet 441 adjacent to one side of the heat dissipation fan 5 and a second air inlet 442 far away from one side of the heat dissipation fan 5, the second heat dissipation channel 44 is communicated with the air guide opening 21, the housing 6 of the chain saw is provided with an air inlet area 61 and an air outlet area 62, the air inlet area 61 is communicated with the first air inlet 12 and the second air inlet 442, and the air outlet area 62 is arranged at the position of the air outlet 441 and is communicated with the air outlet 441.
The motor 4 can drive the cooling fan 5 to rotate while working, air is sucked from the air inlet area 61 of the shell 6, part of the air enters the first cooling channel 11 through the first air inlet 12 to cool the speed reducing mechanism 3, and part of the air enters the second cooling channel 44 through the second air inlet 442 to cool the inside of the motor 4, so that the cooling effect of the chain saw is greatly enhanced.
An air inlet hole 411 communicated with the air guide opening 21 is formed in one side, corresponding to the end plate 2, of the motor casing 41, the air inlet hole 411 is communicated with the second heat dissipation channel 44, air entering the second heat dissipation channel 44 enters the second heat dissipation channel 44 through the air guide opening 21 in the end plate 2 and the air inlet hole 411 in the motor casing 41 under the air draft effect of the heat dissipation fan 5, then is discharged out of the motor casing 41 from the air outlet 441, and finally is discharged to the air outlet area 62 from the air outlet 441.
The motor 4 includes motor casing 41, stator 42 and rotor 43, stator 42 is fixed to be set up in motor casing 41, rotor 43 sets up at stator 42 center and is connected with motor casing 41 through the bearing, second heat dissipation channel 44 sets up between stator 42 and rotor 43, sets motor 4 to hollow structure, introduces the air to motor 4 in through second heat dissipation channel 44 and directly dispels the heat to the inside stator 42 of motor 4 and rotor 43 under the effect of cooling fan 5, and then has strengthened the radiating effect greatly.
What has just been said above is the preferred embodiment of the present invention, so all according to the utility model discloses a patent application scope structure, characteristic and principle do equivalent change or modify, all include the utility model discloses a patent application scope.
Claims (8)
1. The utility model provides a heat radiation structure of chain saw planetary gear reduction mechanism which characterized in that: the cooling device comprises a mounting sleeve (1), an end plate (2), a speed reducing mechanism (3) and a motor (4), wherein the speed reducing mechanism (3) is mounted in a cavity formed by the mounting sleeve (1) and the end plate (2), a first heat dissipation channel (11) is arranged between the mounting sleeve (1) and the speed reducing mechanism (3), the mounting sleeve (1) is provided with a first air inlet (12) communicated with the first heat dissipation channel (11), and the end plate (2) is provided with an air guide opening (21) communicated with the first heat dissipation channel (11);
the motor (4) is connected to the other side of the end plate (2) relative to the speed reducing mechanism (3), the other side of the motor (4) relative to the end plate (2) is connected with the cooling fan (5), a second cooling channel (44) communicated with the cooling fan (5) is arranged inside the motor (4), the second cooling channel (44) is provided with an air outlet (441) adjacent to one side of the cooling fan (5) and a second air inlet (442) far away from one side of the cooling fan (5), the second cooling channel (44) is communicated with the air guide opening (21), an air inlet area (61) and an air outlet area (62) are arranged on the shell (6) of the chain saw, the air inlet area (61) is communicated with the first air inlet (12) and the second air inlet (442), and the air outlet area (62) is arranged at the position of the air outlet (441) and is communicated with the air outlet (441).
2. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 1, wherein: the first air inlet (12) is provided with a plurality of peripheral walls which are circumferentially arranged on the mounting sleeve (1).
3. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 2, wherein: the second air inlet (442) is provided with a plurality of peripheral walls which are circumferentially arranged on the motor shell (41).
4. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 2, wherein: the first air inlet (12) is arranged on the other side, opposite to the end plate (2), of the mounting sleeve (1).
5. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 3, wherein: and an air inlet hole (411) communicated with the air guide opening (21) is formed in one side, corresponding to the end plate (2), of the motor shell (41), and the air inlet hole (411) is communicated with the second heat dissipation channel (44).
6. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 1, wherein: and the heat radiation fan (5) is connected to an output shaft of the motor (4) and is driven by the motor (4) to rotate.
7. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 1, wherein: the heat radiation fan (5) is a centrifugal fan.
8. The heat dissipation structure of a planetary gear reduction mechanism of a chain saw according to claim 1, wherein: the motor (4) comprises a motor shell (41), a stator (42) and a rotor (43), the stator (42) is fixedly arranged in the motor shell (41), the rotor (43) is arranged in the center of the stator (42) and connected with the motor shell (41) through a bearing, and the second heat dissipation channel (44) is arranged between the stator (42) and the rotor (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659843.2U CN217388415U (en) | 2022-03-25 | 2022-03-25 | Heat radiation structure of chain saw planetary gear reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659843.2U CN217388415U (en) | 2022-03-25 | 2022-03-25 | Heat radiation structure of chain saw planetary gear reduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217388415U true CN217388415U (en) | 2022-09-06 |
Family
ID=83104828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220659843.2U Active CN217388415U (en) | 2022-03-25 | 2022-03-25 | Heat radiation structure of chain saw planetary gear reduction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217388415U (en) |
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2022
- 2022-03-25 CN CN202220659843.2U patent/CN217388415U/en active Active
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