CN216451223U - Power mechanism and electric tool - Google Patents
Power mechanism and electric tool Download PDFInfo
- Publication number
- CN216451223U CN216451223U CN202122964960.8U CN202122964960U CN216451223U CN 216451223 U CN216451223 U CN 216451223U CN 202122964960 U CN202122964960 U CN 202122964960U CN 216451223 U CN216451223 U CN 216451223U
- Authority
- CN
- China
- Prior art keywords
- impeller
- air
- power mechanism
- shell
- housing
- 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
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a power mechanism and an electric tool, wherein the power mechanism comprises: the air conditioner comprises a shell, wherein an air inlet is formed in the bottom of the shell, and an air outlet is formed in the side surface of the shell; a drive motor mounted within the housing; the impeller is arranged at the tail part of the driving motor; and the air guide cover is covered on the outer side of the impeller, and an air opening of the air guide cover is over against the air outlet. The impeller and the air guide cover are arranged to realize the heat dissipation effect on the driving motor, so that the driving motor can continuously and stably work and cannot stop working due to overhigh stability, meanwhile, the end cover is arranged to be an aluminum alloy end cover with high heat transmission, heat generated by the control board can be quickly discharged through the aluminum alloy block, and the machine cannot stop working due to overhigh temperature of the control board.
Description
Technical Field
The utility model belongs to the technical field of electric tools, and particularly relates to a power mechanism and an electric tool.
Background
With the development and progress of society, people have higher and higher requirements on the use performance of tools. The existing power tools are generally divided into power tools using a gasoline engine as power and electric tools using a lithium battery as power, most of the existing outdoor power equipment or garden tools are used, the power mechanism using the gasoline engine as power has the defects of inconvenient operation and control, high noise, serious pollution and potential safety hazard in gasoline storage, and meanwhile, the electric tools have the advantages of low noise and low pollution, along with the enhancement of environmental awareness of people, the electric tools using the lithium battery as power gradually replace the tools using the gasoline engine as power, so that the electric tools are widely popularized and recognized.
The power unit of garden instrument is garden instrument's core power take off mechanism, and its inside motor produces power, like current snowplow at the course of the work, motor and control panel can produce the heat, and motor and control panel are the core component of machine, need dispel the heat to motor and control panel, otherwise motor and control panel high temperature all can make the machine unable work, consequently have higher requirement to power unit's radiating effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power mechanism and an electric tool, which aim to solve the problem that the conventional power mechanism cannot work normally due to the fact that a motor and a control board generate heat, the motor and the control board are core parts of the machine, and the temperature of the motor and the temperature of the control board are too high.
The utility model provides a heat dissipation structure of a power mechanism, which comprises:
the air conditioner comprises a shell, wherein an air inlet is formed in the bottom of the shell, and an air outlet is formed in the side surface of the shell;
a drive motor mounted within the housing;
the impeller is arranged at the tail part of the driving motor;
and the air guide cover is covered on the outer side of the impeller, and an air port of the air guide cover is over against the air outlet.
In one embodiment of the present invention, the housing is provided with an arc groove inside, and the impeller is located above the arc groove.
In an embodiment of the present invention, the wind scooper includes an impeller accommodating portion and an air duct portion, the impeller is located in the impeller accommodating portion, the air duct portion is communicated with the impeller accommodating portion, and an air opening of the air duct portion faces the air outlet.
In an embodiment of the present invention, a side surface of the impeller accommodating portion away from the driving motor is a circular structure to fit the circular arc-shaped groove, and a side surface close to the driving motor is a circular groove to accommodate the impeller.
In an embodiment of the present invention, a limiting plate is disposed at the air outlet, and the limiting plate is fixedly connected to the housing and located at two sides of the air duct portion.
In one embodiment of the present invention, the air inlet of the air duct portion extends to the housing and abuts against the housing.
In an embodiment of the utility model, a plurality of fixing lugs are arranged on the outer side of the wind scooper and fixedly mounted with the shell through the fixing lugs.
In one embodiment of the utility model, an end cover is installed on one side of the top of the shell, and a control panel is fixedly installed on the inner side of the end cover.
In one embodiment of the utility model, the end cap is provided as an aluminium alloy end cap.
The present invention also proposes an electric tool comprising:
the casing, install power unit in the casing, power unit includes:
the air conditioner comprises a shell, wherein an air inlet is formed in the bottom of the shell, and an air outlet is formed in the side surface of the shell;
a drive motor mounted within the housing;
the impeller is arranged at the tail part of the driving motor;
the air guide cover is covered on the outer side of the impeller, and an air port of the air guide cover is over against the air outlet
A battery pack accommodating chamber installed in the case;
the end cover is arranged at the top of the shell, and a control panel is arranged in the end cover;
the battery pack is arranged in the battery pack accommodating cavity, is connected with the control panel and provides a power source for the driving assembly;
and the working assembly is connected with the driving motor.
In one embodiment of the utility model, the end cap is fixedly connected with the battery pack accommodating cavity.
The utility model provides a power mechanism and an electric tool, which can ensure that a driving motor can continuously and stably work without stopping work due to overhigh stability by arranging an impeller and an air guide cover to realize the heat dissipation effect on the driving motor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power mechanism according to an embodiment of the utility model.
Fig. 2 is a bottom view of the power mechanism according to an embodiment of the utility model.
Fig. 3 is a front view of the power mechanism according to an embodiment of the utility model.
Fig. 4 is a schematic cross-sectional view taken along a-a in fig. 3.
FIG. 5 is a schematic view of the assembly of the driving assembly and the housing according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a driving assembly according to an embodiment of the utility model.
Fig. 7 is a schematic structural diagram of a motor mounting base in a driving assembly according to an embodiment of the utility model.
Fig. 8 is a schematic structural diagram of the interior of the housing according to an embodiment of the present invention.
FIG. 9 is a schematic structural view of an air guiding cover according to an embodiment of the present invention.
Description of reference numerals:
a housing 10; a first housing 11; a groove 111; a support post 112; a slope 1121; an arc-shaped groove 113; a second housing 12; an end cap 13; a battery pack accommodating chamber 20; a chamber 201; a drive assembly 30; a drive motor 31; a motor flange 311; a motor output shaft 312; a motor mount 32; a fixed portion 321; a motor mounting portion 322; a horizontal fixing plate 3211; a vertical fixing plate 3212; a motor mounting hole 3221; a threaded hole 3222; an impeller 33; a wind scooper 34; the impeller housing portion 341; an air duct portion 342; an air inlet 35; an air outlet 36; a restriction plate 361; a fixed ear 343; a flip structure 40.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The utility model provides a power mechanism, which aims to solve the problems that when a plurality of battery packs are combined, the volume of the whole power mechanism is larger, the internal flat cables are more complex, the arrangement of internal components of the power mechanism of an electric tool is unreasonable, the later maintenance is inconvenient, the traditional flip structure is complex, the assembly and fixing process is complicated, and the machine cannot work due to overhigh temperature of a motor and a control plate, in particular, as shown in figures 1 to 9, in the embodiment, the electric tool comprises a shell, the power mechanism and a working assembly, the power mechanism is arranged in the shell, the working assembly is connected with an output shaft of a driving motor in the power mechanism, the working assembly is driven to work by the power mechanism, and the battery packs are also arranged in a battery pack accommodating cavity in the power mechanism, the power mechanism comprises a shell 10, a battery pack accommodating cavity 20, a driving component 30 and a cover turning structure 40, wherein the driving component 30 is installed in the shell 10, the battery pack accommodating cavity 20 is also installed in the shell 10, a battery pack is installed in the battery pack accommodating cavity 20 to provide a power source for the driving component 30, and the cover turning structure 40 is installed on the battery pack accommodating cavity 20.
As shown in fig. 1 to 9, in the present embodiment, the housing 10 includes a first housing 11, a second housing 12, and an end cap 13, the second housing 12 is located above the first housing 11 and is fixedly mounted with the first housing 11 to form a gap on one side of the housing 10 to facilitate mounting of the driving assembly 30, and the end cap 13 is mounted on one side of the top of the second housing 12, and the end cap 13 internally mounts the control board. In this embodiment, the driving assembly 30 includes a driving motor 31 and a motor mounting seat 32, the motor mounting seat 32 is installed at a notch on a side surface of the housing 10 and is fixedly connected to the housing 10, and the driving motor 31 is fixedly installed on the motor mounting seat 32 through a motor flange 311.
As shown in fig. 1 to 9, in this embodiment, specifically, the motor mounting seat 32 includes a fixing portion 321 and a motor mounting portion 322, the fixing portion 321 is fixedly connected to the first housing 11, the fixing portion 321 includes a horizontal fixing plate 3211 and a vertical fixing plate 3212, the horizontal fixing plate 3211 is fixedly connected to the bottom surface of the first housing 11, the vertical fixing plate 3212 is inserted into the grooves 111 on both sides of the first housing 11 along the gap on the side surface of the first housing 11 and is fixedly connected to the side surfaces of the grooves 111 through bolts, so as to fixedly mount the motor mounting seat 32 on the housing 10, meanwhile, the vertical fixing plate 3212 and the bottom of the first housing 10 are mutually limited to limit the motor mounting seat 32, and the motor mounting portion 322 is matched with the gap on the side surface of the housing 10 to seal the motor mounting seat, the motor mounting portion 322 is provided with a motor mounting hole 3221 to accommodate the motor output shaft 312, an axial direction of the motor output shaft 312 is parallel to a direction of the bottom surface of the housing 10, the inner side of the motor mounting portion 322 is provided with a plurality of threaded holes 3222, and the plurality of threaded holes 3222 are uniformly distributed around the motor mounting hole 3221 and are used for fixedly mounting the motor flange 311 so as to fixedly mount the driving motor 31.
As shown in fig. 1 to 9, in this embodiment, a plurality of support pillars 112 are disposed inside the first housing 11, and a top surface of each support pillar 112 is an inclined surface 1121 for supporting the battery pack accommodating cavity 20, that is, the battery pack accommodating cavity 20 is installed inside the first housing 11 and is supported by the support pillars 112, so that an accommodating space is formed between a cavity wall of the battery pack accommodating cavity 20 and the first housing 11 for accommodating the driving assembly 30. In this embodiment, a plurality of cavities 201 are disposed in the battery pack accommodating cavity 20, one battery pack is mounted in each cavity 201 to provide a power source for the driving assembly 30, and the number of the cavities 201 is set to three, for example.
As shown in fig. 1 to 9, in this embodiment, in order to solve the problem of heat dissipation of the motor inside the power mechanism, an impeller 33 is installed at the rear portion of the driving motor 31, and the impeller 33 rotates along with the motor shaft of the driving motor 31 to generate wind power. Specifically, in this embodiment, an arc-shaped groove 113 is formed in the first casing 11, the impeller 33 is located above the arc-shaped groove 113, and an air guiding cover 34 is covered on the outer side of the impeller 33, and the impeller 33 is covered by the air guiding cover 34.
As shown in fig. 1 to 9, in this embodiment, specifically, the wind scooper 34 includes an impeller accommodating portion 341 and an air duct portion 342, the impeller 33 is located in the impeller accommodating chamber portion 341, the air duct portion 342 is communicated with the impeller accommodating portion 341, an air opening of the air duct portion 342 faces the air outlet 36 on the housing 10, a side surface of the impeller accommodating portion 341 away from the driving motor 31 is a circular structure and is adapted to the circular-arc groove 113 so as to close the side surface, and a side surface of the impeller accommodating portion 341 close to the driving motor 31 is a circular groove for accommodating the impeller 33 so as to wrap the impeller 33, and wind energy enters the air duct portion 342 from the circular groove. In addition, in this embodiment, a plurality of first circular through holes are formed in the bottom of the first casing 11 to form an air inlet 35, an air outlet 36 is formed in the side surface of the first casing 11, the air outlet of the air duct portion 342 of the air guiding cover 34 is directly opposite to the air outlet 36, a limiting plate 361 is disposed at the air outlet 36, the limiting plate 361 is fixedly connected to the first casing 11 and located at two sides of the air duct portion 342, and the air outlet of the air duct portion 342 extends to the casing 10 and abuts against the casing 10.
As shown in fig. 1 to 9, in the present embodiment, when the driving motor 31 rotates, the impeller 33 is driven to rotate, so as to promote air flow to generate wind power, the wind enters the interior of the casing 10 from the wind inlet 35 at the bottom of the first casing 11, flows out of the casing 10 through the wind scooper 34, and when the wind enters the wind scooper 34, because a sealing state is formed between the side of the wind scooper 34 away from the driving motor 31 and the casing 10, the wind must enter the wind scooper 34 from the side close to the driving motor 31, and passes through the driving motor 31 before entering the wind channel portion 342 through the impeller accommodating cavity 341, so as to achieve a heat dissipation effect on the driving motor 31, and the driving motor 31 can continuously and stably operate without stopping operation due to an excessively high temperature. In this embodiment, a plurality of fixing lugs 343 are disposed on the outer side of the wind scooper 34, and are fixedly mounted to the first housing 11 by bolts passing through the fixing lugs 343.
As shown in fig. 1 to 9, in this embodiment, the inner side of the end cover 13 is provided with a plurality of threaded holes for fixing the control board, in this embodiment, the end cover 13 is, for example, an aluminum alloy end cover, and since the heat transmission of the aluminum alloy is fast, the heat generated by the control board can be quickly exhausted through the aluminum alloy block, so that it can be ensured that the machine does not stop working due to the over-high temperature of the control board.
The utility model provides a power mechanism, which is characterized in that the impeller and an air guide cover are arranged to realize the heat dissipation effect on a driving motor, so that the driving motor can continuously and stably work and cannot stop working due to overhigh temperature.
The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (11)
1. A power mechanism, comprising:
the air conditioner comprises a shell, wherein an air inlet is formed in the bottom of the shell, and an air outlet is formed in the side surface of the shell;
a drive motor mounted within the housing;
the impeller is arranged at the tail part of the driving motor;
and the air guide cover is covered on the outer side of the impeller, and an air port of the air guide cover is over against the air outlet.
2. The power mechanism as claimed in claim 1, wherein the housing is provided with an arc groove therein, and the impeller is located above the arc groove.
3. The power mechanism of claim 2, wherein the wind scooper comprises an impeller accommodating portion and an air duct portion, the impeller is located in the impeller accommodating portion, the air duct portion is communicated with the impeller accommodating portion, and an air opening of the air duct portion faces the air outlet.
4. The power mechanism as claimed in claim 3, wherein the side of the impeller receiving portion away from the driving motor is a circular structure to fit the circular arc groove, and the side of the impeller receiving portion close to the driving motor is a circular groove to receive the impeller.
5. The power mechanism according to claim 3, wherein a limiting plate is disposed at the air outlet, and the limiting plate is fixedly connected to the housing and located at two sides of the air duct portion.
6. The power mechanism according to claim 3, wherein the air inlet of the air duct portion extends to the housing and abuts against the housing.
7. The power mechanism as claimed in claim 1, wherein a plurality of fixing lugs are arranged on the outer side of the wind scooper, and the wind scooper is fixedly mounted with the shell through the fixing lugs.
8. The power mechanism as claimed in claim 1, wherein an end cap is mounted on one side of the top of the housing, and a control plate is fixedly mounted on the inner side of the end cap.
9. The power mechanism of claim 8, wherein the end cap is configured as an aluminum alloy end cap.
10. An electric power tool, characterized by comprising:
the casing, install power unit in the casing, power unit includes:
the air conditioner comprises a shell, wherein an air inlet is formed in the bottom of the shell, and an air outlet is formed in the side surface of the shell;
a drive motor mounted within the housing;
the impeller is arranged at the tail part of the driving motor;
the air guide cover is covered on the outer side of the impeller, and an air port of the air guide cover is over against the air outlet
A battery pack accommodating chamber installed in the case;
the end cover is arranged at the top of the shell, and a control panel is arranged in the end cover;
the battery pack is arranged in the battery pack accommodating cavity, is connected with the control board and provides a power source for the driving motor;
and the working assembly is connected with the driving motor.
11. The power tool of claim 10, wherein the end cap is fixedly attached to the battery pack receiving cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964960.8U CN216451223U (en) | 2021-11-29 | 2021-11-29 | Power mechanism and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964960.8U CN216451223U (en) | 2021-11-29 | 2021-11-29 | Power mechanism and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216451223U true CN216451223U (en) | 2022-05-06 |
Family
ID=81355618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122964960.8U Active CN216451223U (en) | 2021-11-29 | 2021-11-29 | Power mechanism and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216451223U (en) |
-
2021
- 2021-11-29 CN CN202122964960.8U patent/CN216451223U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106505791B (en) | Motor, motor controller and speed reducing mechanism integrated structure | |
| US20230415325A1 (en) | Power head and outdoor power equipment using the same | |
| CN216451223U (en) | Power mechanism and electric tool | |
| CN215392873U (en) | AC brushless cutting tool | |
| CN109474107B (en) | Integrated motor system | |
| CN112421859B (en) | Supplementary radiating new energy automobile electricity system of driving | |
| CN212305025U (en) | Liquid cooling system of electric drive assembly | |
| CN112943436A (en) | Air duct type cooling frequency conversion unit and layout method thereof | |
| CN209860001U (en) | Battery heat abstractor | |
| CN218172500U (en) | Integrated power assembly | |
| CN114251173B (en) | Condensation-preventing and cooling structure of container type generator set and control method thereof | |
| CN210799126U (en) | Engine radiator | |
| CN116190899A (en) | Power head assembly and outdoor power equipment | |
| CN211075511U (en) | Integrated power device and hybrid power system | |
| CN210092291U (en) | Battery module and heat dissipation assembly thereof | |
| CN210317476U (en) | Whole machine air duct structure of variable frequency motor | |
| CN216435986U (en) | Heat dissipation mechanism for new energy automobile battery management | |
| CN112467248A (en) | Mounting bracket for radiating lithium battery | |
| CN220604788U (en) | Cooling structure for battery of pure electric dump truck | |
| CN220896761U (en) | Mobile interactive live broadcast terminal | |
| CN221282985U (en) | Compact generator | |
| CN219124643U (en) | Motor controller of easy dismouting fan, drive assembly and vehicle | |
| CN112701853B (en) | New energy automobile electricity drives mechanism | |
| CN215647884U (en) | Traction motor static test power supply system | |
| CN216121967U (en) | Air-cooled permanent magnet direct drive motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |