CN219767768U - Centrifugal dust collection type angle grinder - Google Patents
Centrifugal dust collection type angle grinder Download PDFInfo
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- CN219767768U CN219767768U CN202321232427.5U CN202321232427U CN219767768U CN 219767768 U CN219767768 U CN 219767768U CN 202321232427 U CN202321232427 U CN 202321232427U CN 219767768 U CN219767768 U CN 219767768U
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- centrifugal
- impeller cover
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- hundred
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- 239000000428 dust Substances 0.000 title claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000005498 polishing Methods 0.000 abstract description 22
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The utility model discloses a centrifugal dust collection type angle grinder, which belongs to the technical field of angle grinders and comprises a handheld shell, wherein a driving structure is arranged in the shell, an impeller cover is arranged on the outer side of the shell, a polishing piece is arranged in the impeller cover, the polishing piece comprises a centrifugal wheel and a hundred impellers which are oppositely arranged, the centrifugal wheel and the hundred impellers are fixedly connected through a plurality of centrifugal blades, and the centrifugal wheel and the hundred impellers are respectively positioned inside and outside the impeller cover; the centrifugal wheel is connected with the driving structure through a transmission structure; the impeller cover is provided with a dust outlet, and the dust outlet on the impeller cover is positioned at the relative gap between the centrifugal wheel and the hundred impellers; the impeller cover is externally connected with a dust collecting structure at the dust outlet; through centrifugal wheel, hundred impeller integrated designs for the piece of polishing compromise the dual function of polishing, dust absorption, simplify dust absorption formula angle mill's structure, in addition, the dust absorption pump body is constituteed to flexible rubber circle and cap, reduces the diffusion of dust.
Description
Technical Field
The utility model relates to an angle grinder, in particular to a centrifugal dust collection type angle grinder.
Background
The angle mill can produce a large amount of dust at the in-process of work, a large amount of dust can not only influence job site's visibility, inhale in the lung can also bring very big injury to operating personnel health, based on this, prior art can install dust collection structure in the angle mill, if be equipped with rotary vane at the one end that stores up dirt chamber and be close to the work of polishing, form pressure differential through rotary vane is rotatory, inhale dust in the dust collection bin, but the piece of polishing and rotary vane are mutually independent structure in this kind of angle mill, consequently, need drive respectively through a plurality of transmission structures and polish, rotary vane work, consequently, the angle mill is comparatively complicated in structural design.
Based on the above, the utility model provides a centrifugal dust collection type angle grinder, and aims to provide an angle grinder structure with a dust collection function, wherein the angle grinder structure is simple in structure.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a centrifugal dust collection type angle grinder, wherein a grinding piece comprises a centrifugal wheel and a hundred-wheel which are oppositely arranged, the centrifugal wheel and the hundred-wheel are fixedly connected through a plurality of centrifugal blades, the grinding piece has double functions of grinding and dust collection, the structure of the dust collection type angle grinder can be simplified only through a transmission structure, in addition, a dust collection pump body is formed by a deformable strain rubber ring and a shell cover, and the diffusion of dust is reduced.
The technical scheme of the utility model is as follows:
the centrifugal dust collection type angle grinder comprises a handheld shell, wherein a driving structure is arranged in the shell, and is characterized in that an impeller cover is arranged on the outer side of the shell, a grinding piece is arranged in the impeller cover, the grinding piece comprises a centrifugal wheel and a hundred impellers which are oppositely arranged, the centrifugal wheel and the hundred impellers are fixedly connected through a plurality of centrifugal blades, and the centrifugal wheel and the hundred impellers are respectively positioned inside and outside the impeller cover; the centrifugal wheel is connected with the driving structure through a transmission structure;
the impeller cover is provided with a dust outlet which is opposite to the gap between the centrifugal wheel and the hundred impellers; the impeller cover is externally connected with a dust collecting structure at the dust outlet.
The middle part of the impeller cover position is provided with a central hole which allows the transmission structure to pass through, the periphery of the central hole is provided with a connecting ring, and the impeller cover is fixedly connected with the shell through the connecting ring. The middle part of the centrifugal wheel is provided with a mounting hole fixed with the transmission structure. One end of the transmission structure is connected with the driving structure, and the other end of the transmission structure passes through the center hole of the impeller cover and is fixedly connected with the centrifugal wheel mounting hole.
The hundred impellers of the utility model are annular. Dust generated in the polishing process can enter between the hundred impellers and the centrifugal impeller from the middle part of the annular hundred impellers, and then the centrifugal impeller and the centrifugal blades act together to throw the dust into the dust collecting structure.
The hundred impellers of the utility model comprise a wheel body and a grinding disc, wherein the grinding disc is detachably arranged on the outer surface of the wheel body. The wheel body external surface is fixed with the magic subsides, and the abrasive disc back is fixed with the magic subsides that correspond, through the bonding effect that the magic was pasted, can realize the quick replacement of different precision abrasive discs of polishing.
The centrifugal blades are curved plates, two opposite ends of each curved plate are fixedly connected with the centrifugal wheel and the hundred impellers respectively, and the curved plates are bent towards the same clockwise direction.
The end part of the impeller cover is provided with an elastic rubber ring, and the elastic rubber ring surrounds the periphery of the impeller. The elastic rubber ring has good elasticity, and it can be applicable to the plane of polishing that the roughness is not enough high, can reduce the dust and scatter into in the air.
The utility model has the advantages that:
1. the polishing piece comprises a centrifugal wheel and a hundred impellers which are oppositely arranged, the centrifugal wheel and the hundred impellers are fixedly connected through a plurality of centrifugal blades, when the centrifugal wheel is driven to rotate by the driving structure, the centrifugal blades and the hundred impellers are fixedly connected with the centrifugal wheel and coaxially rotate, dust generated in the polishing process of the hundred impellers can be timely sucked into a gap between the hundred impellers and the centrifugal impellers while the hundred impellers are polished, and the dust between the hundred impellers and the centrifugal impellers is thrown into the dust collecting structure under the combined action of the centrifugal force and the centrifugal blades.
2. Compared with the prior independent polishing structure and dust collection structure, the centrifugal wheel and the hundred impellers adopt the integrated design, and in the use process, only one driving structure is needed to be in transmission connection with the centrifugal wheel, so that the polishing and dust collection can be synchronously realized, the transmission structure in the angle grinder is effectively simplified, and the simple and effective dust collection type centrifugal dust collection type angle grinder is provided.
3. According to the impeller cover, the elastic rubber ring is arranged on the periphery of the polishing piece, the polishing piece is completely covered by the elastic rubber ring, and the elastic rubber ring has good elasticity, can be suitable for a polishing plane with insufficient flatness, and can reduce dust from being scattered into the air from a gap between the elastic rubber ring and the polishing plane.
Drawings
Fig. 1 is a schematic view of the structure of the present utility model (dust collection structure is not shown).
Fig. 2 is a schematic structural view of a centrifugal wheel and a centrifugal impeller according to the present utility model.
Fig. 3 is a schematic structural view of the impeller housing of the present utility model.
Reference numerals: 1. a housing; 2. an impeller cover; 3. a polishing member; 3-1, a centrifugal wheel; 3-2, hundred impellers; 3-3, centrifuging the blades; 4. A transmission structure; 5. a dust outlet; 6. a connecting ring; 7. an elastic rubber ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The centrifugal dust collection type angle grinder comprises a handheld shell 1, wherein a driving structure is arranged in the shell 1, and is characterized in that an impeller cover 2 is arranged on the outer side of the shell 1, a grinding piece 3 is arranged in the impeller cover 2, the grinding piece 3 comprises a centrifugal wheel 3-1 and a hundred-wheel 3-2 which are oppositely arranged, the centrifugal wheel 3-1 and the hundred-wheel 3-2 are fixedly connected through a plurality of centrifugal blades 3-3, and the centrifugal wheel 3-1 and the hundred-wheel 3-2 are respectively positioned inside and outside the impeller cover 2; the centrifugal wheel 3-1 is connected with the driving structure through a transmission structure 4;
the impeller cover 2 is provided with a dust outlet 5, and the dust outlet 5 is opposite to the gap between the centrifugal wheel 3-1 and the hundred impellers 3-2; the impeller cover 2 is externally connected with a dust collecting structure at the dust outlet 5.
The impeller cover 2 is provided with a central hole allowing the transmission structure 4 to pass through in the middle, the periphery of the central hole is provided with a connecting ring 6, and the impeller cover 2 is fixedly connected with the shell 1 through the connecting ring 6. The middle part of the centrifugal wheel 3-1 is provided with a mounting hole which is fixed with the transmission structure 4. One end of the transmission structure 4 is connected with the driving structure, and the other end of the transmission structure 4 passes through the central hole of the impeller cover 2 and is fixedly connected with the installation hole of the centrifugal wheel 3-1.
The hundred wheels 3-2 of the present utility model are annular. Dust generated in the polishing process can enter between the impeller 3-2 and the centrifugal wheel 3-1 from the middle part of the annular impeller 3-2, and then the centrifugal wheel 3-1 and the centrifugal blades 3-3 jointly act to throw the dust into a dust collecting structure.
The impeller 3-2 of the utility model comprises a wheel body and a grinding disc, wherein the grinding disc is detachably arranged on the outer surface of the wheel body. The wheel body external surface is fixed with the magic subsides, and the abrasive disc back is fixed with the magic subsides that correspond, through the bonding effect that the magic was pasted, can realize the quick replacement of different precision abrasive discs of polishing.
The centrifugal blades 3-3 are curved plates, two opposite ends of each curved plate are fixedly connected with the centrifugal wheel 3-1 and the hundred impellers 3-2 respectively, and the curved plates are bent towards the same clockwise direction. The centrifugal blades 3-3 not only play a role of fixedly connecting the centrifugal wheel 3-1 and the hundred-impeller 3-2, but also reduce the atmospheric pressure between the centrifugal wheel 3-1 and the hundred-impeller 3-2 along with the high-speed rotation of the centrifugal wheel 3-1, so that dust generated by polishing is sucked between the centrifugal wheel 3-1 and the hundred-impeller 3-2, and the dust sucked between the centrifugal wheel 3-1 and the hundred-impeller 3-2 enters into a dust collecting structure under the centrifugal force and the diversion of the centrifugal blades 3-3.
The end part of the impeller cover 2 is provided with an elastic rubber ring 7, and the elastic rubber ring 7 surrounds the periphery of the impeller 3-2. The elastic rubber ring 7 has good elasticity, can be suitable for the plane of polishing that the roughness is not enough, can reduce the dust and scatter in the air.
The working principle of the utility model
In the use, laminate the elastic rubber ring 7 with the plane that needs to polish earlier, have good elasticity by elastic rubber ring 7, even the plane of polishing that the roughness is not high also can laminate well, reducible dust enters into the air by the clearance between elastic rubber ring 7 and the plane of polishing. The centrifugal wheel 3-1 is driven by the driving structure to rotate at a high speed, and meanwhile, the centrifugal blades 3-3 and the hundred-impeller 3-2 fixed on the centrifugal wheel 3-1 also rotate at a high speed, at this time, dust formed by polishing the hundred-impeller 3-2 can be sucked into a gap between the centrifugal wheel 3-1 and the hundred-impeller 3-2 under the action of air pressure, and the dust between the centrifugal wheel 3-1 and the hundred-impeller 3-2 is thrown into the dust collecting structure under the combined action of the centrifugal force and the centrifugal blades 3-3.
In addition, the dust collecting structure in the utility model can be a dust collecting box, and the dust collecting box is provided with a dust collecting bag. The dust collecting structure can also be a dust collecting bag directly connected with the dust outlet 5.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The centrifugal dust collection type angle grinder comprises a handheld shell, wherein a driving structure is arranged in the shell, and is characterized in that an impeller cover is arranged on the outer side of the shell, a grinding piece is arranged in the impeller cover, the grinding piece comprises a centrifugal wheel and a hundred impellers which are oppositely arranged, the centrifugal wheel and the hundred impellers are fixedly connected through a plurality of centrifugal blades, and the centrifugal wheel and the hundred impellers are respectively positioned inside and outside the impeller cover; the centrifugal wheel is connected with the driving structure through a transmission structure;
the impeller cover is provided with a dust outlet which is opposite to the gap between the centrifugal wheel and the hundred impellers; the impeller cover is externally connected with a dust collecting structure at the dust outlet.
2. The centrifugal dust collection type angle grinder according to claim 1, wherein the impeller cover is provided with a central hole in the middle part for allowing the transmission structure to pass through, a connecting ring is arranged on the periphery of the central hole, and the impeller cover is fixedly connected with the shell through the connecting ring.
3. The centrifugal dust collection type angle grinder of claim 1, wherein a mounting hole fixed with the transmission structure is formed in the middle of the centrifugal wheel.
4. The centrifugal dust collection type angle grinder of claim 1, wherein the louver is ring-shaped.
5. The centrifugal dust collection type angle grinder of claim 1, wherein the louver wheel comprises a wheel body and a grinding plate, and the grinding plate is detachably mounted on the outer surface of the wheel body.
6. The centrifugal dust collection type angle grinder of claim 1, wherein the plurality of centrifugal blades are curved plates, opposite ends of the curved plates are fixedly connected with the centrifugal wheel and the hundred impellers respectively, and the plurality of curved plates are bent in the same clockwise direction.
7. The centrifugal dust collection type angle grinder according to any one of claims 1 to 6, wherein the impeller cover end portion is provided with an elastic rubber ring, and the elastic rubber ring surrounds the periphery of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321232427.5U CN219767768U (en) | 2023-05-22 | 2023-05-22 | Centrifugal dust collection type angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321232427.5U CN219767768U (en) | 2023-05-22 | 2023-05-22 | Centrifugal dust collection type angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219767768U true CN219767768U (en) | 2023-09-29 |
Family
ID=88135483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321232427.5U Active CN219767768U (en) | 2023-05-22 | 2023-05-22 | Centrifugal dust collection type angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219767768U (en) |
-
2023
- 2023-05-22 CN CN202321232427.5U patent/CN219767768U/en active Active
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