CN202668357U - Dustproof device of high-speed polishing machine - Google Patents
Dustproof device of high-speed polishing machine Download PDFInfo
- Publication number
- CN202668357U CN202668357U CN201220187175.4U CN201220187175U CN202668357U CN 202668357 U CN202668357 U CN 202668357U CN 201220187175 U CN201220187175 U CN 201220187175U CN 202668357 U CN202668357 U CN 202668357U
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- CN
- China
- Prior art keywords
- motor housing
- ring
- air inlet
- filtering ring
- filtering
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a dustproof device of a high-speed polishing machine, and aims to provide the dustproof device which can be used to lower the machine failure occurrence rate of the high-speed polishing machine,. The dustproof device of the high-speed polishing machine comprises an adjusting seat (1), a motor shell (2) and a protective cover (3). The tail portion of the adjusting seat (1) is connected with the front end of the motor shell (2) through screw threads, at least one air inlet and a filtering ring (6) are arranged on the motor shell (2), the filtering ring (6) wraps the air inlet, the protective cover (3) is connected with outer screw threads on the side wall of the motor shell (2) in screwing mode, the protective cover (3) wraps the rear end of the filtering ring (6), and the filtering ring (6) is made of filtering materials, wherein fluid can pass through the filtering materials, and dust can be blocked by the filtering materials. The dustproof device of the high-speed polishing machine can be widely used in the field of polishing machines.
Description
Technical field
The utility model relates to a kind of dust guard of high-speed sander.
Background technology
Along with the development of science and technology and the progress of society, high rotary speed sander has been widely used in all trades and professions, at present, existing high-speed sander is generally by front-end case, inner core, spring connector, Connection Block, motor housing and motor consist of, motor is arranged on motor housing inside, be connected with spring connector between inner core and the machine shaft, the Connection Block front end is provided with external screw thread and is threaded with front-end case, the rear end is provided with internal thread and is threaded with motor housing, and in order to prevent that motor from damaging or scalding the user because of excess Temperature, be positioned at the rear that Connection Block is connected with motor housing at motor housing and be provided with some fresh air inlets, and be provided with exhaust vent at the carbon brush holder at motor housing rear, but existing this mode easily causes dust to enter in the motor housing, machine shaft and bearing place are blocked, cause the sander short circuit, thereby fault rate takes place frequently.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of dust guard that can fall the high-speed sander of mechanical disorder incidence is provided.
The technical scheme that the utility model adopts is: the utility model comprises adjustment seat, motor housing, guard shield, the afterbody of described adjustment seat is threaded with the front end of described motor housing, be provided with at least one fresh air inlet on the described motor housing, wrap the filtering ring of described fresh air inlet, described guard shield is threaded with external screw thread on the described motor housing sidewall, and described guard shield wraps described filtering ring rear end, and described filtering ring is by making by the filtering material of fluid and energy blocks dust.
Be provided with in the described motor housing magnet ring and with the suitable rotor of described magnet ring, described fresh air inlet is positioned at the front end of described magnet ring, described filtering ring is two semicircular body that cooperatively interact, the rear that is positioned at described magnet ring front end on the described motor housing and is positioned at described filtering ring is provided with the anti-DNA releaxed circular DNA of fracture, the inboard of the anti-DNA releaxed circular DNA of described fracture is provided with limited step, the inclined plane of the outside for dwindling successively from front to back, described filtering ring is arranged on described limited step place, and described guard shield inboard is provided with the inclined plane of matching with the anti-DNA releaxed circular DNA of the described fracture outside.
Be positioned at described fresh air inlet place on the described motor housing and be provided with the groove of the notch, the inboard of described semicircular body is provided with annular boss, the length of described annular boss is less than described semicircular body, and its end face is lower than the end face of described semicircular body, and the position of the described groove of the notch is corresponding with described annular boss.
The beneficial effects of the utility model are: because the utility model comprises adjustment seat, motor housing, guard shield, the afterbody of described adjustment seat is threaded with the front end of described motor housing, be provided with at least one fresh air inlet on the described motor housing, wrap the filtering ring of described fresh air inlet, described guard shield is threaded with external screw thread on the described motor housing sidewall, and described guard shield wraps described filtering ring rear end, such structure can avoid dust directly to enter in the described motor housing, but make in the wind dust through described filtering ring stopping and adsorb after ability enter from described fresh air inlet, can effectively avoid like this machine shaft and bearing to block, so the utility model good dustproof effect, rate of breakdown is lower.
Since be provided with in the described motor housing magnet ring and with the suitable rotor of described magnet ring, described fresh air inlet is positioned at the front end of described magnet ring, described filtering ring is two semicircular body that cooperatively interact, the rear that is positioned at described magnet ring front end on the described motor housing and is positioned at described filtering ring is provided with the anti-DNA releaxed circular DNA of fracture, the inboard of the anti-DNA releaxed circular DNA of described fracture is provided with limited step, the inclined plane of the outside for dwindling successively from front to back, described filtering ring is arranged on described limited step place, described guard shield inboard is provided with the inclined plane of matching with the anti-DNA releaxed circular DNA of the described fracture outside, the anti-DNA releaxed circular DNA of described fracture is shunk, thereby described filtering ring and described fresh air inlet are closely cooperated, effectively guarantee dust-proof effect, and after being rotated counterclockwise described guard shield, can unclamp the anti-DNA releaxed circular DNA of described fracture, at this moment, can take off described filtering ring, to described filtering ring, the sidewall of described groove of the notch place and described battery case cleans, so the utility model easy installation and removal, result of use is good.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model motor housing;
Fig. 3 is the structural representation of the utility model filtering ring;
Fig. 4 is the locking structure of rings schematic diagram of the utility model.
The specific embodiment
Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises adjustment seat 1, motor housing 2, guard shield 3, the front end of described adjustment seat 1 is provided with the external screw thread that described internal thread is threaded, be provided with in the described motor housing 2 magnet ring 4 and with the suitable rotor 5 of described magnet ring 4, the afterbody of described adjustment seat 1 is provided with internal thread, the front end of described motor housing 2 is provided with the external screw thread suitable with described internal thread, be provided with at least one fresh air inlet on the described motor housing 2, the outside that is positioned at described magnet ring 4 front ends on the described motor housing 2 is disposed with filtering ring 6 from front to back, fracture is prevented DNA releaxed circular DNA 7, described filtering ring 6 is made by the filtering material of can be by fluid but can stop the impurity such as dust, described filtering material is not as limiting occasion, it can be filter cloth, metal screen or plastic film, the multiple materials such as hard porous medium, but owing to also needing to consider follow-up installation and removal among the present invention, therefore, what adopt is porous ceramics, cermet, the hard porous medium such as porous sintered plastics is made, such as materials such as foam coppers, two semicircular body 60 of described filtering ring 6 for cooperatively interacting, the inboard of described semicircular body 60 is provided with annular boss 61, the length of described annular boss 61 is less than described semicircular body 60, and its end face is lower than the end face of described semicircular body 60, the inboard of the anti-DNA releaxed circular DNA 7 of described fracture is provided with limited step, the inclined plane of the outside for dwindling successively from front to back, described filtering ring 6 is arranged on described limited step place, be positioned at described fresh air inlet place on the described motor housing 2 and be provided with the groove of the notch 20, the position of the described groove of the notch 20 is corresponding with described annular boss 61, be that described annular boss 61 can cover the described groove of the notch 20 fully, can further improve like this anti-dust performance, external screw thread screw thread on described guard shield 3 and described motor housing 2 sidewalls, described guard shield 3 inboards are provided with the inclined plane of matching with anti-DNA releaxed circular DNA 7 outsides of described fracture, by such design, can make wind through just entering in the described fresh air inlet after repeatedly stopping, dust is stopped by described filtering ring 6 and absorbs, can effectively avoid like this machine shaft and bearing to block, so the utility model good dustproof effect, rate of breakdown is lower, the anti-DNA releaxed circular DNA 7 of described fracture is shunk, thereby described filtering ring 6 is closely cooperated with the described groove of the notch 20, effectively guarantee dust-proof effect, and after being rotated counterclockwise described guard shield 3, can unclamp the anti-DNA releaxed circular DNA 7 of described fracture, at this moment, can take off described filtering ring 6, to described filtering ring 6, the sidewall of the described groove of the notch 20 places and described battery case 2 cleans, so the utility model easy installation and removal, result of use is good.
The utility model can be widely used in the sander field.
Claims (3)
1. the dust guard of a high-speed sander, it is characterized in that: described dust guard comprises adjustment seat (1), motor housing (2), guard shield (3), the afterbody of described adjustment seat (1) is threaded with the front end of described motor housing (2), described motor housing is provided with at least one fresh air inlet on (2), wraps the filtering ring (6) of described fresh air inlet, described guard shield (3) is threaded with external screw thread on described motor housing (2) sidewall, and described guard shield (3) wraps described filtering ring (6) rear end.
2. the dust guard of a kind of high-speed sander according to claim 1, it is characterized in that: be provided with in the described motor housing (2) magnet ring (4) and with the suitable rotor (5) of described magnet ring (4), described fresh air inlet is positioned at the front end of described magnet ring (4), two semicircular body (60) of described filtering ring (6) for cooperatively interacting, the rear that is positioned at described magnet ring (4) front end on the described motor housing (2) and is positioned at described filtering ring (6) is provided with the anti-DNA releaxed circular DNA (7) of fracture, described fracture prevents that the inboard of DNA releaxed circular DNA (7) is provided with limited step, the inclined plane of the outside for dwindling successively from front to back, described filtering ring (6) is arranged on described limited step place, and described guard shield (3) inboard is provided with the inclined plane of matching with the anti-DNA releaxed circular DNA (7) of the described fracture outside.
3. the dust guard of a kind of high-speed sander according to claim 2, it is characterized in that: be positioned at described fresh air inlet place on the described motor housing (2) and be provided with the groove of the notch (20), the inboard of described semicircular body (60) is provided with annular boss (61), the length of described annular boss (61) is less than described semicircular body (60), and its end face is lower than the end face of described semicircular body (60), and the position of the described groove of the notch (20) is corresponding with described annular boss (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220187175.4U CN202668357U (en) | 2012-04-28 | 2012-04-28 | Dustproof device of high-speed polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220187175.4U CN202668357U (en) | 2012-04-28 | 2012-04-28 | Dustproof device of high-speed polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202668357U true CN202668357U (en) | 2013-01-16 |
Family
ID=47489290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220187175.4U Withdrawn - After Issue CN202668357U (en) | 2012-04-28 | 2012-04-28 | Dustproof device of high-speed polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202668357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615569A (en) * | 2012-04-28 | 2012-08-01 | 东山电器（珠海）有限公司 | High-speed grinding machine |
-
2012
- 2012-04-28 CN CN201220187175.4U patent/CN202668357U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615569A (en) * | 2012-04-28 | 2012-08-01 | 东山电器（珠海）有限公司 | High-speed grinding machine |
| CN102615569B (en) * | 2012-04-28 | 2014-03-26 | 东山电器（珠海）有限公司 | High-speed grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20140326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20140326 |