CN205870460U - Handheld electric tool's novel wind path guiding device - Google Patents
Handheld electric tool's novel wind path guiding device Download PDFInfo
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- CN205870460U CN205870460U CN201620725037.5U CN201620725037U CN205870460U CN 205870460 U CN205870460 U CN 205870460U CN 201620725037 U CN201620725037 U CN 201620725037U CN 205870460 U CN205870460 U CN 205870460U
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- kuppe
- fan blade
- wind path
- box
- guiding device
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Abstract
The utility model discloses a handheld electric tool's novel wind path guiding device, including gear box and the motor of setting in the gear box, the motor front end even has the fan blade, still is equipped with the kuppe in the gear box, the kuppe is located the place ahead of fan blade, and the kuppe is cylindrical, the middle through -hole that has the motor shaft of being convenient for to pass of opening, it has an at least guiding gutter to open on the excircle column wall of kuppe, open on the gear box have with the communicating air outlet of guiding gutter. The utility model has the advantages that: owing to there is the effect of guiding gutter, can not produce the vortex in the gear box, the fan blade not only can obtain bigger wind pressure and make the more heat in the machine and the dust machine front end that the leads during da tong of its volume of airing exhaust under the guide effect of kuppe, reaches and avoids operator's health and be favorable to the radiating effect of machine, and this device structure sets up rationally, and the volume of airing exhaust more greatly just route orientation is controllable in unison, avoids the dust to lead to the fact the injury to the operator, more be favorable to the machine heat dissipation extension motor life -span, stable in structure is compact, safe and reliable.
Description
Technical field
This utility model relates to the novel wind path guiding device of a kind of electric hand tool.
Background technology
The such as makita 4100NH of electric hand tool in the market is required for dispelling the heat motor, gear-box and setting
Motor in gear-box, motor front end is provided with fan blade, drives fan blade to rotate, given out by motor heat when relying on electric machine rotation
Go, it is easy to the heat that dust accumulation is produced at gear-box corner and motor causes motor radiating the most freely, in a jumble because of air draft
Bad；Operator and motor are caused a hidden trouble.
Utility model content
The purpose of this utility model is to provide the novel wind path guiding device of a kind of electric hand tool, it is possible to efficient solution
Certainly existing electric hand tool air draft is not smooth, the problem that motor radiating is bad.
In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions: a kind of hand electric
The novel wind path guiding device of instrument, including gear-box and the motor being arranged in gear-box, described motor front end is connected with fan blade,
Being additionally provided with kuppe in described gear-box, described kuppe is positioned at the front of fan blade, and kuppe is cylindrical, and centre has to be easy to
The through hole that motor shaft passes, the outer cylindrical wall of kuppe has at least one guiding gutter, gear-box has and guiding gutter phase
Logical air outlet.
Preferably, described guiding gutter is helicla flute, and the air outlet on described gear-box communicates with the outlet of guiding gutter；Increase
The smooth and easy discharge of blast, more conducively hot blast.
Preferably, described guiding gutter has two；Article two, guiding gutter can make hot blast to discharge faster, stifled in an air channel
Normally can be worked by another guarantee machine during plug.
Preferably, described two guiding gutters are arranged about kuppe axisymmetrical；Avoid the occurrence of hot blast to block up.
Preferably, on kuppe, exit at guiding gutter is provided with the most a piece of deflector；Allow the hot blast of outer row towards appointment
Direction get rid of, it is to avoid blow to operator.
Preferably, being provided with wind loop in the gear-box at fan blade rear, described wind loop is annular；Fixing air channel, allows cold
Wind energy flows to fan blade by motor as far as possible.
Preferably, described wind loop is provided with two fixing feet facing away from the face of fan blade；It is easy to wind loop be fixed on gear-box.
Compared with prior art, the utility model has the advantages that: owing to there being the effect of guiding gutter, will not produce in gear-box
Raw flow-disturbing, fan blade is possible not only to obtain when bigger blast makes its exhaust air rate more Datong District the heat in machine and dust at kuppe
Guide effect under guiding machine front end, reach to avoid operator's health and the effect of beneficially machine heat radiation, this apparatus structure
Arranging rationally, exhaust air rate is bigger and path direction is unified controlled, it is to avoid operator is damaged by dust；It is more beneficial for machine to dissipate
Heat extends electrical machinery life, and Stability Analysis of Structures is compact, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the sectional view of the novel wind path guiding device of a kind of electric hand tool of this utility model；
Fig. 2 is the axonometric chart of the novel wind path guiding device of a kind of electric hand tool of this utility model；
Fig. 3 be a kind of electric hand tool of this utility model novel wind path guiding device in the cross-sectional view of kuppe；
Fig. 4 is the explosive view of the novel wind path guiding device of a kind of electric hand tool of this utility model.
Detailed description of the invention
Enforcement refering to the novel wind path guiding device that Fig. 1, Fig. 2, Fig. 4 are a kind of electric hand tool of this utility model
Example, the novel wind path guiding device of a kind of electric hand tool, including gear-box 1 and the motor 2 being arranged in gear-box 1, electricity
Machine 2 front end is connected with fan blade 3, is fixed with kuppe 4 in the gear-box 1 in fan blade 3 front, gear-box 1 has and exports with kuppe 4
The air outlet 7 communicated, is fixed with wind loop 9 in the gear-box 1 at fan blade 3 rear, wind loop 9 is annular, wind loop 9 wind dorsad
The face of leaf 3 is provided with two fixing feet 10, in order to fixes with gear-box 1 and is connected.
As it is shown on figure 3, kuppe 4 is cylindrical, center has the through hole 5 that power supply machine 2 axle passes through, the cylindrical of kuppe 4
Post jamb is provided with two guiding gutters 6, and every guiding gutter 6 is helicla flute, and two guiding gutters 6 can be about kuppe 4 axis pair
Claiming to arrange, it is also possible to be arranged in parallel, be additionally provided with two panels deflector 8 on the kuppe 4 of guiding gutter 6 outlet, deflector 8 can be
Circular arc.
When motor 2 is started working, driving the fan blade 3 of synchronous axial system to rotate, the wind-force that fan blade 3 produces is by guiding gutter 6
Flowing to gear-box 1 outside, owing to there being the effect of guiding gutter 6, will not produce flow-disturbing in gear-box 1, fan blade 3 is possible not only to obtain
When bigger blast makes its exhaust air rate more Datong District, the heat in machine and dust are under the guide effect of kuppe 4 before guiding machine
End, reaches to avoid operator's health and the effect of beneficially machine heat radiation, and this apparatus structure arranges rationally, exhaust air rate Geng great Qie road
Direction, footpath is unified controlled, it is to avoid operator is damaged by dust；Being more beneficial for machine heat radiation and extend motor 2 life-span, structure is steady
Fixed compact, safe and reliable.
The foregoing is only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited to
This, any those skilled in the art is in field of the present utility model, and change or the modification made all are contained in this practicality new
Among the scope of the claims of type.
Claims (7)
1. a novel wind path guiding device for electric hand tool, including gear-box (1) and the electricity that is arranged in gear-box (1)
Machine (2), described motor (2) front end is connected with fan blade (3), it is characterised in that: it is additionally provided with kuppe (4), institute in described gear-box (1)
Stating kuppe (4) and be positioned at the front of fan blade (3), kuppe (4) is cylindrical, and centre has be easy to that motor (2) axle passes logical
Hole (5), the outer cylindrical wall of kuppe (4) has at least one guiding gutter (6), gear-box (1) has and guiding gutter (6) phase
Logical air outlet (7).
The novel wind path guiding device of a kind of electric hand tool the most as claimed in claim 1, it is characterised in that:
Described guiding gutter (6) is helicla flute, and the air outlet (7) on described gear-box (1) communicates with the outlet of guiding gutter (6).
The novel wind path guiding device of a kind of electric hand tool the most as claimed in claim 1 or 2, it is characterised in that: described
Guiding gutter (6) has two.
The novel wind path guiding device of a kind of electric hand tool the most as claimed in claim 3, it is characterised in that:
Described two guiding gutters (6) are arranged about kuppe (4) axisymmetrical.
The novel wind path guiding device of a kind of electric hand tool the most as claimed in claim 1 or 2, it is characterised in that: water conservancy diversion
It is provided with the most a piece of deflector (8) in the exit of guiding gutter (6) on cover (4).
The novel wind path guiding device of a kind of electric hand tool the most as claimed in claim 1, it is characterised in that:
Being provided with wind loop (9) in the gear-box (1) at fan blade (3) rear, described wind loop (9) is annular.
The novel wind path guiding device of a kind of electric hand tool the most as claimed in claim 6, it is characterised in that:
Described wind loop (9) is provided with two fixing feet (10) facing away from the face of fan blade (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620725037.5U CN205870460U (en) | 2016-07-05 | 2016-07-05 | Handheld electric tool's novel wind path guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620725037.5U CN205870460U (en) | 2016-07-05 | 2016-07-05 | Handheld electric tool's novel wind path guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205870460U true CN205870460U (en) | 2017-01-11 |
Family
ID=57695519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620725037.5U Active CN205870460U (en) | 2016-07-05 | 2016-07-05 | Handheld electric tool's novel wind path guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205870460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396697A (en) * | 2017-08-23 | 2017-11-28 | 宁波动电器有限公司 | A kind of grass-mowing machine |
-
2016
- 2016-07-05 CN CN201620725037.5U patent/CN205870460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396697A (en) * | 2017-08-23 | 2017-11-28 | 宁波动电器有限公司 | A kind of grass-mowing machine |
| CN107396697B (en) * | 2017-08-23 | 2023-08-29 | 浙江动一新能源动力科技股份有限公司 | Grass mowing machine |
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