CN207652226U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN207652226U CN207652226U CN201721525916.4U CN201721525916U CN207652226U CN 207652226 U CN207652226 U CN 207652226U CN 201721525916 U CN201721525916 U CN 201721525916U CN 207652226 U CN207652226 U CN 207652226U
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- China
- Prior art keywords
- intake passage
- motor
- air
- guide part
- electric tool
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- Motor Or Generator Cooling System (AREA)
- Portable Power Tools In General (AREA)
Abstract
The utility model is related to a kind of electric tools comprising：Casing, casing tail end are equipped with several components；Motor is set to chassis cavity, power is provided for electric tool；Hood, is sheathed on casing tail end, and hood is equipped with air inlet；And guide part, air intake passage is surrounded between casing and hood, and with hood, air intake passage is connected to air inlet, is connected to inside air intake passage and motor；The cooling air that air inlet enters is flowed to along air intake passage at motor, and component is located at the position except air intake passage.Above-mentioned electric tool, the cooling air entered from air inlet is flowed to along air intake passage from motor, component is located at the position except air intake passage, so that the cooling air that air inlet enters is no longer flow through at component, the case where being vortexed by component blocking, formation so as to avoid cooling air, at the more flow direction motors of cooling air to make air inlet entrance, effective cooling air quantity and cooling efficiency are improved.
Description
Technical field
The utility model is related to a kind of electric tools.
Background technology
Nowadays, the electric tools such as angle mill are widely used.In general, electric tool includes motor, motor runs at high speed
Will produce a large amount of heat in the process, if heat is discharged not in time, for a long time using can cause the performance of motor by tight
Ghost image is rung.
In traditional technology, by the way that heat release is arranged on electric tool, the heat that motor operating generates is discharged.Generally
, it is radiated using cooling air.Specifically, being provided with the air inlet of certain area, electronic work in the tail end of hood or bottom
After tool starts, cooling air is entered from hood bottom and hood side inside electric tool, and is flowed through from motor, to drop
The heat of low motor, achievees the purpose that heat dissipation.However, the casing tail end of electric tool is equipped with the components such as capacitance, switch, it is such
Component is in irregular shape, and positioned at the position of close air inlet, so that the cooling air quilt that part air inlet is come in
Such component blocking, formation vortex etc., reduce effective cooling air quantity and cooling efficiency.
Utility model content
Based on this, it is necessary to provide a kind of electric tool that can improve effective cooling air quantity and cooling efficiency.
A kind of electric tool, including：
Casing, the casing tail end are equipped with several components；
Motor is set to the chassis cavity, power is provided for the electric tool；
Hood, is sheathed on the casing tail end, and the hood is equipped with air inlet；
And guide part, surround air intake passage between the casing and the hood, and with the hood, it is described into
Wind channel is connected to the air inlet, is connected to inside the air intake passage and the motor；The air inlet enters cooling empty
Gas is flowed to along the air intake passage at the motor, and the component is located at the position except the air intake passage.
Above-mentioned electric tool, the cooling air entered from air inlet are flowed to along air intake passage from motor, and component is located at
Position except air intake passage, so that the cooling air that air inlet enters is no longer flow through at component, so as to avoid cold
But air is stopped by component, forms the case where being vortexed, at the more flow direction motors of cooling air to make air inlet entrance,
Improve effective cooling air quantity and cooling efficiency.
The air intake passage and the component are located at the not homonymy of the guide part in one of the embodiments,.
The guide part is set on the casing in one of the embodiments,.
The guide part and casing integrated molding or the guide part and the machine in one of the embodiments,
Shell is fixedly connected.
The guide part is set on the hood in one of the embodiments,.
The guide part is plate-like in one of the embodiments,.
The guide part is parallel with the axial direction of the motor in one of the embodiments,.
The guide part is along the axially extending of the motor in one of the embodiments, the guide part perpendicular to
Section in the axial direction of the motor is curved surface.
The air intake passage is along the axially extending of the motor in one of the embodiments,.
In one of the embodiments, the air inlet on the hood include make cooling air along the motor axially into
First air inlet of the air intake passage, and cooling air is made to enter the air inlet along perpendicular to the motor axially direction
Second air inlet in channel.
Description of the drawings
Fig. 1 is the schematic cross-section of the electric tool of one embodiment of the utility model.
Fig. 2 is the decomposition texture schematic diagram of electric tool shown in Fig. 1.
Wherein, related elements reference numeral is as follows：
100, electric tool 110, casing 111, component
130, motor 150, hood 151, the first air inlet
153, the second air inlet 170, guide part 190, air intake passage
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
As shown in Figure 1, one embodiment of the utility model provide electric tool 100, including casing 110, be set to casing 110
Inner cavity simultaneously provides the motor 130 of power, is sheathed on the hood 150 of casing tail end and is located at casing 110 for electric tool 100
Guide part 170 between hood 150.Wherein, guide part 170 forms air intake passage 190 with hood 150.
110 tail end of casing is equipped with several components 111.Several components 111 are specially capacitance, switch etc..
In the present embodiment, hood 150 is equipped with air inlet.When electric tool 100 works, cooling air from air inlet into
Enter to 110 inner cavity of casing and flow through motor 130, the heat of motor 130 is reduced, to achieve the purpose that heat dissipation.
In the present embodiment, the air inlet on hood 150 includes making cooling air along motor 130 axially into air intake passage
First air inlet 151, and make cooling air along the second air inlet for entering air intake passage perpendicular to 130 axially direction of motor
153.It is, of course, also possible to which the first air inlet 151 or the second air inlet 153 are only arranged on hood 150.
Guide part 170 surrounds air intake passage 190 with hood 150.Specifically, air intake passage 190 axially prolongs along motor 130
It stretches or is axially tilted at an angle with motor 130.Air intake passage 190 is connected to air inlet, inside air intake passage 190 and motor
Connection.The cooling air that air inlet enters is flowed to along air intake passage 190 at motor 130.Specifically, side shown in arrow in Fig. 1
To the flow direction for cooling air.
Component 111 is located at the position except air intake passage 190.Preferably, air intake passage 190 and component 111 are located at
The not homonymy of guide part 170.I.e. guide part 170 separates air intake passage 190 and component 111 in the both sides of guide part 170,
So that the cooling air that air inlet enters is no longer flow through at component 111, so as to avoid cooling air by component
111 blockings form the case where vortex, to make at the more flow direction motors of cooling air 130 that air inlet enters, have improved
The cooling air quantity and cooling efficiency of effect.To enhance the heat dissipation effect of electric tool 100 so that casing is avoided because heat dissipation is imitated
The phenomenon that fruit difference and temperature increase, increases the comfort level at casing gripping, personnel easy to operation operation.
In the present embodiment, guide part 170 is set on casing 110.Specifically, guide part 170 can with the one of casing 110 at
Type can also be fixedly connected with casing 110, such as welding, threaded connection, clamping.If 110 one of guide part 170 and shell at
Type can surround air intake passage 190 as long as meeting the side wall of shell using the side wall of shell 110 as guide part with hood 150
.
Certainly, guide part 170 can also be set on hood 150.Likewise, guide part 170 can also be with 150 one of hood
Molding, or be fixedly connected with hood 150, such as welding, threaded connection, clamping.
In the present embodiment, guide part 170 is an integral structure.Certainly, guide part 170 can also be spelled by multiple sub- guide parts
It connects.Guide part 170 can be rule or irregular shape.
In another embodiment, guide part 170 is plate-like, easy to process, and cooling air is made to flow smoothly.It is preferred that
, guide part 170 is parallel with the axial direction of motor 130, so that cooling air is circulated more smooth.
In another embodiment, guide part 170 is along the axially extending of motor 130, and guide part 170 is perpendicular to motor
Section in 130 axial direction is curved surface.Preferably, section of the guide part 170 in the axial direction perpendicular to motor 130 is in sector.
Need to illustrate makes, and guide part 170 is not limited to be in above-mentioned shape, can also be in other rules or irregular shape
Shape, as long as air intake passage 190 and component 111 can be separated so that the cooling air that air inlet enters flows directly to motor
At 130, and it is no longer flow through at component 111.
In the present embodiment, guide part 170 is identical as the material of casing 110.Certainly, guide part 170 can also be by other materials
The material of matter is made.Preferably, guide part 170 is made of waterproof material, prevents component 111 because making moist due to reduced performance.
In the present embodiment, electric tool 100 grinds for angle.Certainly, electric tool 100 is not limited to angle mill, can also be other
With motor, and the other kinds of electric tool to be radiated by cooling air.
Above-mentioned electric tool, the cooling air entered from air inlet are flowed to along air intake passage from motor, and component is located at
Position except air intake passage, so that the cooling air that air inlet enters is no longer flow through at component, so as to avoid cold
But air is stopped by component, forms the case where being vortexed, at the more flow direction motors of cooling air to make air inlet entrance,
Improve effective cooling air quantity and cooling efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of electric tool, which is characterized in that including：
Casing, the casing tail end are equipped with several components；
Motor is set to the chassis cavity, power is provided for the electric tool；
Hood, is sheathed on the casing tail end, and the hood is equipped with air inlet；
And guide part, air intake passage is surrounded between the casing and the hood, and with the hood, the air inlet is logical
Road is connected to the air inlet, is connected to inside the air intake passage and the motor；The cooling air edge that the air inlet enters
The air intake passage flows at the motor, and the component is located at the position except the air intake passage.
2. electric tool according to claim 1, which is characterized in that the air intake passage and the component are positioned at described
The not homonymy of guide part.
3. electric tool according to claim 1, which is characterized in that the guide part is set on the casing.
4. electric tool according to claim 1, which is characterized in that the guide part is integrally formed with the casing, or
The guide part is fixedly connected with the casing.
5. electric tool according to claim 1, which is characterized in that the guide part is set on the hood.
6. electric tool according to claim 1, which is characterized in that the guide part is plate-like.
7. electric tool according to claim 6, which is characterized in that the guide part is parallel with the axial direction of the motor.
8. electric tool according to claim 1, which is characterized in that the guide part is axially extending along the motor,
Section of the guide part in the axial direction perpendicular to the motor is curved surface.
9. electric tool according to claim 1, which is characterized in that the air intake passage prolongs along the axial direction of the motor
It stretches.
10. electric tool according to claim 1, which is characterized in that the air inlet on the hood includes making cooling sky
Gas, axially into the first air inlet of the air intake passage, and makes cooling air along perpendicular to the motor shaft along the motor
To direction enter the air intake passage the second air inlet.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525916.4U CN207652226U (en) | 2017-11-15 | 2017-11-15 | Electric tool |
| PCT/CN2018/115725 WO2019096223A1 (en) | 2017-11-15 | 2018-11-15 | Motor applicable to hand-held electrical tool, and same |
| US16/205,284 US11027405B2 (en) | 2016-05-31 | 2018-11-30 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525916.4U CN207652226U (en) | 2017-11-15 | 2017-11-15 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652226U true CN207652226U (en) | 2018-07-24 |
Family
ID=62891015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721525916.4U Active CN207652226U (en) | 2016-05-31 | 2017-11-15 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652226U (en) |
-
2017
- 2017-11-15 CN CN201721525916.4U patent/CN207652226U/en active Active
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