CN107756203A - Purification mechanism and electric tool - Google Patents
Purification mechanism and electric tool Download PDFInfo
- Publication number
- CN107756203A CN107756203A CN201610668862.0A CN201610668862A CN107756203A CN 107756203 A CN107756203 A CN 107756203A CN 201610668862 A CN201610668862 A CN 201610668862A CN 107756203 A CN107756203 A CN 107756203A
- Authority
- CN
- China
- Prior art keywords
- purification
- main body
- electric tool
- channel
- entrance
- 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.)
- Granted
Links
- 238000000746 purification Methods 0.000 title claims abstract description 136
- 230000007246 mechanism Effects 0.000 title claims abstract description 52
- 238000010926 purge Methods 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
A kind of purification mechanism includes purification main body, purifies in main body and is provided with purification channel, and purification channel is circumferentially rotatable as axle using the center line for purifying main body and axially extends, and purifies and purification entrance, purge outlet and dust-exhausting port are offered in main body；The tangential direction purified into opening's edge purification main body sets and connected with one end of purification channel, purge outlet is arranged on purification channel axis direction and the other end of mouth is dissolved into purification channel net relative and connects, and tangential direction of the dust-exhausting port along purification main body is arranged at side of the purification main body away from purification entrance and connected with purification channel.By setting purification channel in electric tool of the present invention, so that rotated by the outside air tangentially entered along purification entrance along purification channel inwall to purge outlet, mix the dust in air to settle and discharge by dust-exhausting port under the influence of centrifugal force, to carry out cooling radiating to electric tool inside.The present invention also provides a kind of electric tool with the purification mechanism.
Description
Technical field
The present invention relates to the electric tool for being ground, cutting or polish, more particularly to a kind of purification mechanism and with this
The electric tool of purification mechanism.
Background technology
Angle grinder, polishing machine are a kind of conventional electric tools, and its main operational principle is to utilize to be fixed on output shaft
And material is ground, is polished, polish etc. and to process with the grinding wheel of output shaft rotation at a high speed.
Because electric tool is in work is operated, rotating speed is very fast, and it is very big to gather heat, therefore generally in its housing table
Face sets ventilation orifice, is formed by ventilation orifice and loads cooling air stream to driving part, to carry out cooling radiating.However,
By the external world enter air in would generally be mingled with dust, when dust enter inside driving part and after deposition, general
Driving part is caused substantially to be damaged, so as to greatly reduce the service life of electric tool.
The content of the invention
Based on this, it is necessary to provide a kind of gas for being used for purification and entering inside electric tool, made with extending electric tool
With the purification mechanism in life-span.
It there is a need to and a kind of electric tool with the purification mechanism is provided.
A kind of purification mechanism, it includes purifying main body, and purification channel, the purification channel are provided with the purification main body
Center line using the purification main body is circumferentially rotatable as axle and axially extend, it is described purify offered in main body purify into
Mouth, purge outlet and dust-exhausting port；It is described to purify the tangential direction setting that main body is purified described in opening's edge and lead to the purification
One end connection in road, the purge outlet is arranged on the purification channel axis direction and relative with the purification channel described
The other end connection of entrance is purified, it is remote that tangential direction of the dust-exhausting port along the purification main body is arranged at the purification main body
The side of the purification entrance simultaneously connects with the purification channel.
In one of the embodiments, the purification channel is the center line using the purification main body as axle spiral vertically
Rotation forms.
In one of the embodiments, the purification channel prolongs from the purification entrance to the purge outlet direction is tapered
Stretch and diameter tapers into.
In one of the embodiments, the purification mechanism includes protecgulum, and the protecgulum includes ventilation duct and by described logical
The fixed edge of the circumferentially extending formation in airduct one end, the purification main body are sheathed on outside the ventilation duct and are fixed on described
On fixed edge, the ventilation duct with it is described purification main body be coaxially disposed and the entrance point including being connected with the purge outlet and with
The relative port of export of the entrance point.
In one of the embodiments, the purification mechanism includes bonnet, and it is remote that the bonnet is arranged at the purification main body
From one end of the protecgulum, and it is plugged in one end that the purification main body is provided with the purge outlet.
A kind of electric tool, it includes purification mechanism described above.
In one of the embodiments, the electric tool includes casing and motor, the casing include housing and
End cap, the housing include positioned at extending direction first end and the second end, the end cap be covered in the first end and with
The housing defines to form host cavity jointly, and the purification mechanism is contained in the host cavity and pressed on the end cap,
The motor is arranged in the host cavity and close to second end.
In one of the embodiments, the electric tool includes being arranged at diversion fan in the housing, and described the
The air inlet and air outlet for offering and being connected with the host cavity, the purification mechanism are extended through on one end and second end
Described in purification entrance be aligned with the air inlet, described in the port of export of purge outlet described in purification mechanism direction
Motor, the diversion fan are arranged at the one end of the motor away from the purification mechanism and are located at the air inlet
And between the air outlet.
In one of the embodiments, the electric tool include being arranged at the motor and the purification mechanism it
Between control assembly, one end of the purification mechanism is fixedly installed in the control assembly, the other end of the purification mechanism
Press on the end cap.
In one of the embodiments, the electric tool is angle grinder.
Purification mechanism is provided with electric tool of the present invention, purification mechanism is by setting purification channel so that purified by edge
The outside air that entrance tangentially enters is rotated to purge outlet along purification channel inwall.In the process, mix in air
The particles such as dust are settled and discharged by dust-exhausting port under the influence of centrifugal force, and the air after purifying is flowed into by purge outlet
Inside electric tool, to carry out cooling radiating to electric tool inside.In this way, by first purifying the side introduced afterwards to extraneous air
Formula, so as to prevent particulate matter from entering and be deposited in each part of electric tool, such as motor etc., and then extend electric tool
Service life.
Brief description of the drawings
Fig. 1 is the sectional view in electric tool axis direction of the present invention；
Fig. 2 is the fit structure schematic diagram of purification mechanism and part casing in electric tool shown in Fig. 1；
Fig. 3 is the structural representation of purification mechanism shown in Fig. 1；
Fig. 4 is sectional view of the purification mechanism along B1-B1 directions shown in Fig. 3；
Fig. 5 is sectional view of the purification mechanism along B2-B2 directions shown in Fig. 3.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element 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.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
It refer to Fig. 1, in present pre-ferred embodiments, electric tool 100 includes casing 10, the drive being arranged in casing 10
Dynamic motor 20, rotate the driver that the work being arranged on casing 10 is first 30, is connected between motor 20 and work first 30
Structure 40, control assembly 50 and purification mechanism 60.Wherein, purification mechanism 60 is arranged in casing 10, for entering casing 10
Internal extraneous air is purified, so that the air after purification carries out cooling radiating to motor 20.In this specific implementation
In example, electric tool 100 is angle grinder, and the work first 30 being arranged on casing 10 is corresponding abrasive disc.It is to be appreciated that
In some other embodiment, electric tool 100 can be other instruments such as polishing machine, and work first 30 also can be corresponding rubbing head
Deng being not construed as limiting herein.
Casing 10 includes housing 11 and end cap 13.Housing 11 is included positioned at the end of first end 110 and second of extending direction
112.End cap 13 is covered in the first end 110 of housing 11, and defines to form host cavity 15 jointly with housing 11.The of housing 11
Extended through on the end 112 of one end 110 and second and offer the air inlet (not shown) connected with host cavity 15 and air outlet (figure is not
Show).In this specific embodiment, end cap 13 is fixed on by way of screw on the second end 112 of housing 11.It is appreciated that
Ground, in some other embodiment, end cap 13 can be also fixed by other fixed forms, be not limited thereto.
Motor 20, control assembly 50 and purification mechanism 60 are set in turn in housing 11 along the extending direction of housing 11
It is interior.Wherein, motor 20 is arranged in host cavity 15 and close to the second end 112 of housing 11, for being provided for work first 30
Rotary driving force.Control assembly 50 is arranged between motor 20 and purification mechanism 60, for controlling motor 20.Purification
Mechanism 60 is arranged in host cavity 15 and close to the first end 110 of housing 11.
Specifically, motor 20 includes armature spindle 21, and electric tool 100 also includes the water conservancy diversion wind being arranged in housing 11
Fan 70.Armature spindle 21 is axially disposed in housing 11, and it is remote net that diversion fan 70 is arranged at armature spindle 21 in motor 20
Change one end of mechanism 60 and between air inlet and air outlet.In this way, when diversion fan 70 rotates with armature spindle 21, entirely
Negative pressure cavity is formed in host cavity 15, after cool ambient air enters host cavity 15 by air inlet, is flowed axially through entirely along rotary shaft 21
Motor 20, and heat caused by carrying motor 20 is discharged by air outlet, so as to realize the cooling to motor 20
Radiating.
Control assembly 50 is main switch module in this specific embodiment, for controlling unlatching and the pass of motor 20
Close.
Fig. 2 and Fig. 3 are refer to, one end of purification mechanism 60 is fixedly installed in control assembly 50, and end cap 13 presses on only
Change the one end of mechanism 60 away from control assembly 50, purification mechanism 60 is stably fixed on casing 10.Purification mechanism 60 includes net
Change main body 61 and be arranged at the protecgulum 62 and bonnet 63 of the purification opposite sides of main body 61.
Fig. 4 and Fig. 5 are refer to, specifically, purifies and purification channel 610 is provided with main body 61, purification channel 610 is with purification
The center line of main body 61 is that axle is circumferentially rotatable and axially tapered extension, purifies and purification entrance 612, net is offered in main body 61
Dissolve mouth 614 and dust-exhausting port 616.Purify entrance 612 along purification main body 61 tangential direction set and with purification channel 610
One end is connected, and purge outlet 614 is arranged on the axis direction of purification channel 610, and dissolves into mouth with the net relative of purification channel 610
612 other end connection, tangential direction of the dust-exhausting port 616 along purification main body 61 are arranged at purification main body 61 from purification entrance 612
Side and connected with purification channel 610.
Further, purification channel 610 is that as axle, spiral rotating forms vertically using the center line that purifies main body 61, and only
Change the auto purification entrance 612 of passage 610 to taper into the orient diameter of purge outlet 614, i.e., purification channel 610 leads to for cone-type spiral
Road.In this way, when extraneous absolutely empty gas by air inlet tangentially into purification entrance 612 after, with spiral shell under the guiding of purification channel 610
The mode of rotation rotation flow to one end of purge outlet 614, is now entrained in particulate matter in air under the influence of centrifugal force
Settle and discharged by dust-exhausting port 616.
Protecgulum 62 includes ventilation duct 620 and by the circumferentially extending fixed edge 622 formed in the one end of ventilation duct 620, only
Change main body 61 to be sheathed on outside ventilation duct 620 and be fixed on fixed edge 622, ventilation duct 620 is coaxially disposed simultaneously with purification main body 61
Including the entrance point 621 connected with purge outlet 614 and the port of export 623 relative with entrance point 621.Because host cavity 15 is being led
Form negative pressure in the presence of flow fan 70, therefore the air after the purification flowed out by purge outlet 614 is by entering through ventilation duct 620
Mouth end 621 enters in ventilation duct 620, and is poured in rapidly in host cavity 15 by the port of export 623, with to being arranged in host cavity 15
Each part is cooled down.In this specific embodiment, whole purification mechanism 60 is fixed on by fixed edge 622 by the way of screw
In control assembly 50.It is to be appreciated that in some other embodiment, purification mechanism 60 can use other fixed forms to fix electricity
On other parts of power driven tools 100, for example, on the inwall of housing 11 also can, be not limited thereto.
Bonnet 63 is arranged at the purification one end of main body 61 away from protecgulum 62, and is plugged in purification main body 61 and is provided with and purify
One end of mouth 614, to ensure the negative pressure state in host cavity 15, and then guide the air after purification by purge outlet 614 through logical
Airduct 620 enters in host cavity 15.
Purification mechanism 60 is provided with electric tool 100 of the present invention, purification mechanism 60 is by setting spiral purifying passage
610 so that rotated by the outside air tangentially entered along purification entrance 612 along the spiral inner wall of purification channel 610 to purge outlet
614.In the process, mix the particles such as the dust in air to settle under the influence of centrifugal force and by the row of dust-exhausting port 616
Go out, and the air after purifying is flowed into inside electric tool 100 by purge outlet 614, it is cold to be carried out to the inside of electric tool 100
But radiate.In this way, by way of first purifying to extraneous air and introducing afterwards, so as to prevent particulate matter from entering and be deposited on electronic
In each part of instrument 100, such as motor 20 etc., and then extend the service life of electric tool 100.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. purification mechanism, it is characterised in that：Including purifying main body, purification channel is provided with the purification main body, it is described Purification channel is circumferentially rotatable as axle using the center line of the purification main body and axially extends, and is offered in the purification main body Purify entrance, purge outlet and dust-exhausting port；It is described purify described in opening's edge purify main body tangential direction set and with it is described Purification channel one end connection, the purge outlet be arranged on the purification channel axis direction and with the purification channel phase The other end of the purification entrance is connected, tangential direction of the dust-exhausting port along the purification main body is arranged at the purification and led Side of the body away from the purification entrance simultaneously connects with the purification channel.
- 2. purification mechanism as claimed in claim 1, it is characterised in that：The purification channel is with the center of the purification main body Line is that spiral rotating forms axle vertically.
- 3. purification mechanism as claimed in claim 2, it is characterised in that：The purification channel is from the purification entrance to described net Change the tapered extension of export direction and diameter tapers into.
- 4. purification mechanism as claimed in claim 1, it is characterised in that：The purification mechanism includes protecgulum, and the protecgulum includes Ventilation duct and by the circumferentially extending fixed edge formed in described ventilation duct one end, the purification main body is sheathed on the ventilation Pipe is outer and is fixed on the fixed edge, the ventilation duct be coaxially disposed with the purification main body and including with the purge outlet The entrance point of connection and the port of export relative with the entrance point.
- 5. purification mechanism as claimed in claim 4, it is characterised in that：The purification mechanism includes bonnet, and the bonnet is set In the described one end of purification main body away from the protecgulum, and it is plugged in the purification main body and is provided with the one of the purge outlet End.
- A kind of 6. electric tool, it is characterised in that：Including the purification mechanism described in the claims any one of 1-5.
- 7. electric tool as claimed in claim 6, it is characterised in that：The electric tool includes casing and motor, institute Stating casing includes housing and end cap, and the housing includes being covered on positioned at the first end and the second end, the end cap of extending direction Define to form host cavity jointly in the first end and with the housing, the purification mechanism is contained in the host cavity and supported It is pressed on the end cap, the motor is arranged in the host cavity and close to second end.
- 8. electric tool as claimed in claim 7, it is characterised in that：The electric tool includes being arranged in the housing Extended through on diversion fan, the first end and second end and offer the air inlet connected with the host cavity and air-out Mouthful, the purification entrance is aligned with the air inlet, and the port of export of the breather pipe is described to lead towards the motor Flow fan be arranged at the one end of the motor away from the purification mechanism and positioned at the air inlet and the air outlet it Between.
- 9. electric tool as claimed in claim 7, it is characterised in that：The electric tool includes being arranged at the motor With the control assembly between the purification mechanism, one end of the purification mechanism is fixedly installed in the control assembly, described The other end of purification mechanism is pressed on the end cap.
- 10. electric tool as claimed in claim 6, it is characterised in that：The electric tool is angle grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668862.0A CN107756203B (en) | 2016-08-15 | 2016-08-15 | Purifying mechanism and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668862.0A CN107756203B (en) | 2016-08-15 | 2016-08-15 | Purifying mechanism and electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107756203A true CN107756203A (en) | 2018-03-06 |
| CN107756203B CN107756203B (en) | 2023-12-08 |
Family
ID=61259782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610668862.0A Active CN107756203B (en) | 2016-08-15 | 2016-08-15 | Purifying mechanism and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107756203B (en) |
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| JP2001121039A (en) * | 1999-10-26 | 2001-05-08 | Ishikawajima Harima Heavy Ind Co Ltd | Solid separation apparatus |
| EP1097749A1 (en) * | 1999-11-05 | 2001-05-09 | Bayerische Motoren Werke Aktiengesellschaft | Cyclone air filter with electrostatic separator |
| US6350292B1 (en) * | 1998-11-24 | 2002-02-26 | Lg Electronics Inc. | Cyclone collector for a vacuum cleaner having a flow guide |
| CN1347294A (en) * | 1999-02-24 | 2002-05-01 | Lg电子株式会社 | Cyclone dust collector in vacuum cleaner |
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| US20120080206A1 (en) * | 2010-10-01 | 2012-04-05 | Black & Decker Inc. | Dust Extraction For Power Tools |
| JP2013049115A (en) * | 2011-08-31 | 2013-03-14 | Makita Corp | Filtering device |
| WO2015033414A1 (en) * | 2013-09-05 | 2015-03-12 | ボルボ ラストバグナー アクチエボラグ | Gas-liquid separation device |
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| JP2016007680A (en) * | 2014-06-25 | 2016-01-18 | 日立工機株式会社 | Electric tool |
| CN206140259U (en) * | 2016-08-15 | 2017-05-03 | 苏州宝时得电动工具有限公司 | Purify mechanism and electric tool |
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| US1953948A (en) * | 1930-01-16 | 1934-04-10 | Bieth Tom Conrad | Separator |
| US4311494A (en) * | 1977-09-26 | 1982-01-19 | Facet Enterprises, Inc. | Axial flow gas cleaning device |
| JPS61263662A (en) * | 1985-04-19 | 1986-11-21 | ザ・ブラツク・クロ−ソン・カンパニ− | Centrifugal cleaner |
| US6350292B1 (en) * | 1998-11-24 | 2002-02-26 | Lg Electronics Inc. | Cyclone collector for a vacuum cleaner having a flow guide |
| CN1347294A (en) * | 1999-02-24 | 2002-05-01 | Lg电子株式会社 | Cyclone dust collector in vacuum cleaner |
| JP2001121039A (en) * | 1999-10-26 | 2001-05-08 | Ishikawajima Harima Heavy Ind Co Ltd | Solid separation apparatus |
| EP1097749A1 (en) * | 1999-11-05 | 2001-05-09 | Bayerische Motoren Werke Aktiengesellschaft | Cyclone air filter with electrostatic separator |
| FR2857274A1 (en) * | 2003-07-08 | 2005-01-14 | Liebherr Aerospace Gmbh | Water separator for air conditioning units in especially aircraft has separating chamber located around housing for collecting of water deposited on inner wall of housing and running into separating sump |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107756203B (en) | 2023-12-08 |
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