CN205509670U - Dustproof mechanism and power tool - Google Patents
Dustproof mechanism and power tool Download PDFInfo
- Publication number
- CN205509670U CN205509670U CN201620159763.5U CN201620159763U CN205509670U CN 205509670 U CN205509670 U CN 205509670U CN 201620159763 U CN201620159763 U CN 201620159763U CN 205509670 U CN205509670 U CN 205509670U
- Authority
- CN
- China
- Prior art keywords
- dust
- ring
- proof mechanism
- coating member
- power tool
- 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
Landscapes
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a power tool's dustproof mechanism, power tool includes stator, rotor, the dustproof piece of dustproof mechanism in locating the groove crack between stator inner circle and the rotor outer lane, dustproof is cylindric, dustproof outer circumference with the stator inner circle is adjacent, dustproof interior circumference with the rotor outer lane is adjacent. The utility model provides a dustproof mechanism, in locating the groove crack that stator inner circle and rotor outer lane formed cylindric dustproof, dustproof can be blockked up the groove crack between stator and the rotor, under the effect of dustproof of the aforesaid, has effectively prevented dust such as metal to get into the clearance between stator and the rotor, and simply just the cost is lower for assembly process. The utility model discloses still disclose the power tool including above -mentioned dustproof mechanism.
Description
Technical field
This utility model relates to dust control technology field, particularly relates to a kind of dust-proof mechanism and power tool.
Background technology
Angle grinding machine (angle grinder), also known as grinder or disc mill, is for fiberglass cutting and polishing
A kind of grinding tool.In use, more dust is easily accessible bearing to angle grinding machine, affects making of bearing
Use effect.
When angle of the prior art grinding machine is dust-proof, using stator inner ring to connect has a flange, and this flange head is inserted
Entering rubber sleeve, and connect with rubber sleeve circumference interference, stator inner ring and the outer ring recess gap of rotor are closed, and dust can
To enter stator coil, but stator inner ring, i.e. dust can not be entered and can not enter stator inner ring and rotor outer ring
Groove gap.
When using aforesaid way dust-proof, angle grinding machine stator coil all wants sealing, and sealing adhesive process is complicated, cost
High；On the other hand the connection of flange is more complicated, needs to connect with glue, relatively difficult in technique.
Utility model content
Based on this, it is necessary to connecting for stator inner ring and have flange, flange coordinates dust-proof with rubber sleeve thus makes
The complex process become and the high problem of cost provide a kind of dust-proof mechanism and power tool.
A kind of dust-proof mechanism for power tool, described power tool includes stator, rotor, described dust-proof
Mechanism includes the dust guard in the groove gap being located between stator inner ring and rotor outer ring, and described dust guard is cylinder
Shape, the excircle of described dust guard is adjacent with described stator inner ring, the inner periphery of described dust guard and described turn
Sub-outer ring is adjacent.
The dust-proof mechanism that this utility model provides, including being located at the groove gap that stator inner ring is formed with rotor outer ring
In cylindric dust guard, dust guard can block the groove gap between stator and rotor, at the work of above-mentioned dust guard
Under with, effectively preventing the dust such as metal to enter the gap between stator and rotor, assembly technology is simple and becomes
This is relatively low.
Wherein in an embodiment, described dust guard and described stator inner ring interference fits.
Wherein in an embodiment, described dust-proof mechanism also includes that coating member, described power tool also include
Bearing, described coating member is between bearing and described dust guard.
Wherein in an embodiment, described dust-proof mechanism also includes being located at the dust ring outside described bearing,
Seal between described dust ring and described bearing, between described coating member and described dust guard and described dust ring
All seal.
Wherein in an embodiment, one end of described coating member is coated with described dust guard, described coating member
The other end is located at the inner side of described dust ring, the lateral surface of the other end of described coating member and described dust ring
Medial surface fits sealing.
Wherein in an embodiment, described coating member includes the first cylindrical portion and the second cylindrical portion, described
One cylindrical portion is coaxially disposed with described second cylindrical portion and end is connected, and described first cylindrical portion extends described
Dust guard also and seals between described dust guard, seals between described second cylindrical portion and described dust ring
Wherein in an embodiment, described second cylindrical portion is provided with inclined plane, and described coating member is by described
Inclined plane is located at the inner side of described dust ring.
Wherein in an embodiment, described coating member is plasticity coating member.
A kind of power tool, including the dust-proof mechanism as described in above-mentioned any one.
The power tool that this utility model provides, including above-mentioned dust-proof mechanism, above-mentioned dust-proof mechanism includes being located at
Cylindric dust guard in the groove gap that stator inner ring and rotor outer ring are formed, dust guard can block stator and turn
Groove gap between son, under the effect of above-mentioned dust guard, effectively prevents the dust such as metal to enter stator and turn
Gap between son, assembly technology is simple and cost is relatively low.
Wherein in an embodiment, described power tool is angle grinding machine.
Accompanying drawing explanation
The structure chart of the power tool that Fig. 1 provides for this utility model embodiment；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is carried out more comprehensively
Description.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can be to be permitted
The most different forms realizes, however it is not limited to embodiment described herein.On the contrary, provide these to implement
The purpose of example is to make the understanding to disclosure of the present utility model more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.Used herein
Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh
's.
Unless otherwise defined, all of technology used herein and scientific terminology with belong to of the present utility model
The implication that those skilled in the art are generally understood that is identical.Institute in description of the present utility model herein
The term used is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting this utility model.
Term as used herein " and/or " include the arbitrary and all of one or more relevant Listed Items
Combination.
Seeing Fig. 1 and Fig. 2, this utility model embodiment provides a kind of power tool, including stator 10, turns
Son 20 and dust-proof mechanism, above-mentioned dust-proof mechanism includes the groove being located between stator 10 inner ring and rotor 20 outer ring
Dust guard 30 in gap a, dust guard 30 is cylindric, the excircle of dust guard 30 and stator 10 inner ring phase
Neighbour, the inner periphery of dust guard 30 is adjacent with rotor 20 outer ring.
The power tool that this utility model embodiment provides, including above-mentioned dust-proof mechanism, above-mentioned dust-proof mechanism bag
Include the cylindric dust guard 30 being located in groove gap a that stator 10 inner ring and rotor 20 outer ring are formed, dust-proof
Part 30 can block groove gap a between stator 10 and rotor 20, under the effect of above-mentioned dust guard 30, effectively
Prevent the dust such as metal to enter the gap between stator 10 and rotor 20, assembly technology is simple and cost relatively
Low.
Further, Fig. 2, above-mentioned dust guard 30 and stator 10 inner ring interference fits are seen.Dust guard 30 is pressed
Enter in said stator 10 inner ring.Specifically, the excircle of above-mentioned dust guard 30 contacts close with stator 10 inner ring
Envelope, thus stop dust to enter between stator 10 inner ring and rotor 20 outer ring.Dust from stator 10 coil or
Person's stator 10 outer rim arrives fan 60.Above-mentioned dust guard 30 can use rustless steel to be fabricated by, the most above-mentioned
Dust guard 30 is stainless steel structure.
Further, dust-proof mechanism also includes coating member 50, and power tool also includes bearing 70, coating member 50
Between bearing 70 and dust guard 30.The setting of coating member 50 can prevent dust from entering groove gap a further,
Also dust can be avoided to enter rotor 20 and be sheathed on the bearing 70 outside armature spindle 80.
Further, above-mentioned dust-proof mechanism also includes the dust ring 40 being located at outside bearing 70, dust ring 40 with
Seal between bearing 70, all seal between coating member 50 and dust guard 30 and dust ring 40.
Under the effect of above-mentioned coating member 50, seal between one end and the dust guard 30 of coating member 50, cladding
Seal between the other end and the dust ring 40 of part 50, thus fully avoid dust enter rotor 20 and be sheathed on
Bearing 70 outside armature spindle 80.
Specifically, see Fig. 2, one end of above-mentioned coating member 50 cladding dust guard 30, coating member 50 another
The medial surface of the inner side of dust ring 40, the lateral surface of the other end of coating member 50 and dust ring 40 is located in one end
Fit sealing.
Further, above-mentioned coating member 50 includes the first cylindrical portion 53 and the second cylindrical portion 55, the first cylindrical portion
53 are coaxially disposed with the second cylindrical portion 55 and end is connected, the first cylindrical portion 53 extend dust guard 30 and with
Seal between dust guard 30, seal between the second cylindrical portion 55 and dust ring 40.
Specifically, the first cylindrical portion 53 is connected by connector 54 with the end of the second cylindrical portion 55, and the
One cylindrical portion 53 and the second cylindrical portion 55 respectively and form first step portion 51 and second between connector 54
Stage portion 52.
Coating member 50 can be specially plasticity coating member, it is simple to is coated on the end of dust guard 30, and coating member
The shape of 50 is also not necessarily limited to above-mentioned set-up mode, as coating member 50 may also include the 3rd stage portion, thus with
Coating member 50 is split up into four parts by one stage portion 51 and second step portion 52 together.
Further, the second cylindrical portion 55 of above-mentioned coating member 50 is provided with inclined plane 551, and coating member 50 passes through
Inclined plane 551 is located at the inner side of dust ring 40.When installing coating member 50, the setting of inclined plane 551 is just
Being located at inside dust ring 40 in coating member 50, during installation, the inclined plane 551 of coating member 50 initially enters anti-
Inside konisphere 40, under the guide effect of inclined plane 551, the second cylindrical portion 55 of coating member 50 finally reaches
To contacting with the face of dust ring 40, to realize final sealing effectiveness.
The power tool that this utility model embodiment provides, may also include fan 60, armature spindle 80 and bearing
70, fan 60 and bearing 70 are all sheathed on above-mentioned armature spindle 80, and bearing is located in one end of armature spindle 80
70 is internal, and dust ring 40 is sheathed on the outside of above-mentioned bearing 70, is connected to the coating member 50 of dust guard 30
One end contact the effect playing sealing with above-mentioned dust ring 40.
Under the effect of above-mentioned dust guard 30 and coating member 50, dust can not be through stator 10 inner ring and rotor
Groove gap a between 20 outer rings, and rotor 20 can not be partially between bearing 70 and dust guard 30
And bearing 70, thus ensure that its dust-proof effect.
Specifically, above-mentioned power tool is angle grinding machine, more specifically, this angle grinding machine can be alternating-current brushless angle mill
Machine.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that,
For the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to
Making some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model
The protection domain of patent should be as the criterion with claims.
Claims (10)
1., for a dust-proof mechanism for power tool, described power tool includes stator, rotor, its feature
Being, described dust-proof mechanism includes the dust guard in the groove gap being located between stator inner ring and rotor outer ring, institute
Stating dust guard is cylindrical shape, and the excircle of described dust guard is adjacent with described stator inner ring, described dust guard
Inner periphery is adjacent with described rotor outer ring.
Dust-proof mechanism the most according to claim 1, it is characterised in that described dust guard and described stator
Inner ring interference fits.
Dust-proof mechanism the most according to claim 1, it is characterised in that described dust-proof mechanism also includes
Covering part, described power tool also includes bearing, and described coating member is between bearing and described dust guard.
Dust-proof mechanism the most according to claim 3, it is characterised in that described dust-proof mechanism also includes setting
Dust ring outside described bearing, seals between described dust ring and described bearing, described coating member and institute
State and all seal between dust guard and described dust ring.
Dust-proof mechanism the most according to claim 4, it is characterised in that one end cladding of described coating member
Described dust guard, the other end of described coating member is located at the inner side of described dust ring, another of described coating member
The medial surface of lateral surface and the described dust ring of end fits sealing.
Dust-proof mechanism the most according to claim 5, it is characterised in that described coating member includes the first circle
Cylinder portion and the second cylindrical portion, described first cylindrical portion is coaxially disposed with described second cylindrical portion and end is connected,
Described first cylindrical portion extends described dust guard and also and seals between described dust guard, described second cylindrical portion
And seal between described dust ring.
Dust-proof mechanism the most according to claim 6, it is characterised in that described second cylindrical portion is provided with inclines
Inclined-plane, described coating member is located at the inner side of described dust ring by described inclined plane.
Dust-proof mechanism the most according to claim 4, it is characterised in that described coating member is plasticity cladding
Part.
9. a power tool, it is characterised in that include the dust-proof machine as described in any one of claim 1-8
Structure.
Power tool the most according to claim 9, it is characterised in that described power tool is angle mill
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159763.5U CN205509670U (en) | 2016-03-02 | 2016-03-02 | Dustproof mechanism and power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159763.5U CN205509670U (en) | 2016-03-02 | 2016-03-02 | Dustproof mechanism and power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205509670U true CN205509670U (en) | 2016-08-24 |
Family
ID=56727608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620159763.5U Active CN205509670U (en) | 2016-03-02 | 2016-03-02 | Dustproof mechanism and power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205509670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914206A (en) * | 2016-10-09 | 2018-04-17 | 苏州宝时得电动工具有限公司 | Brushless angle grinder |
-
2016
- 2016-03-02 CN CN201620159763.5U patent/CN205509670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914206A (en) * | 2016-10-09 | 2018-04-17 | 苏州宝时得电动工具有限公司 | Brushless angle grinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3184864B1 (en) | Sealing structure | |
| CN104722432A (en) | Metal part spraying device | |
| CN106239346B (en) | A kind of valve clack of safety valve Magnetic-Fluid Grinding polishing machine and polishing method | |
| CN205509670U (en) | Dustproof mechanism and power tool | |
| CN205340620U (en) | High -efficient permanent magnetism dive mixer that contains sand control and antiwind function | |
| CN106271456A (en) | A kind of axle sleeve processing technique | |
| CN204213348U (en) | The two-way consistent seal structure of a kind of axle head | |
| CN210440447U (en) | Deep groove ball bearing with outer ring provided with axial positioning groove | |
| CN205081613U (en) | A antifriction bearing seal structure for motor | |
| CN103758986B (en) | A kind of gear-box hollow splined shaft export structure | |
| CN210452387U (en) | Multipurpose polishing grinding wheel | |
| MX2022005648A (en) | A workpiece holding assembly for a grinding machine and grinding methods. | |
| CN205509714U (en) | Motor dustproof mechanism , motor that is equipped with this mechanism, electric tool | |
| CN204942543U (en) | Washing machine mechanical seal structure | |
| CN205190542U (en) | Dust ring, bearing dust keeper and power tool | |
| CN207278887U (en) | A kind of main shaft sealing device | |
| CN103203686B (en) | Automatic ball unloading device on vertical type steel-ball grinding machine | |
| CN210732138U (en) | Slot polishing electric spindle | |
| CN204160307U (en) | A kind of face lapping mill | |
| CN205446418U (en) | Prevent bearing seal structure that sealing washer skidded | |
| CN204755907U (en) | Mechanical seal device | |
| CN204387081U (en) | Bearing detachable type axle cored structure | |
| CN103161960A (en) | Sealing device of electrical main shaft | |
| CN203030914U (en) | Bearing outer ring gland for high-speed ball electric spindles | |
| CN210400227U (en) | Be used for shock absorber assembly inspection frock of beating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |