CN203418404U - Angle grinder - Google Patents
Angle grinder Download PDFInfo
- Publication number
- CN203418404U CN203418404U CN201320535513.3U CN201320535513U CN203418404U CN 203418404 U CN203418404 U CN 203418404U CN 201320535513 U CN201320535513 U CN 201320535513U CN 203418404 U CN203418404 U CN 203418404U
- Authority
- CN
- China
- Prior art keywords
- contiguous block
- bevel gear
- angle grinder
- power output
- output shaft
- 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.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an angle grinder. The angle grinder comprises a grinder shell, a motor is arranged inside the grinder shell, the motor is provided with a power output shaft, the front end of the power output shaft is connected with a first bevel gear, meanwhile, the lower portion of the grinder shell is connected with a rotating shaft in a pin joint mode, the rotating shaft is used for fixing a grinding wheel, the upper portion of the rotating shaft is connected with a second bevel gear, a bevel gear pair is formed by the first bevel gear and the second bevel gear, the front end of the power output shaft is connected with a back connecting block, the back end of the first bevel gear is connected with a front connecting block, and the back connecting block is connected with the front connecting block through a rubber connecting block. The angle grinder has the advantages that the assembling process is easy to conduct, vibration is small when the angle grinder operates, and components are not damaged easily.
Description
Technical field
The present invention relates to electric tool technical field, especially relate to a kind of electric angle grinder.
Background technology
Electric angle grinder is the conventional electric tool on the surfaces such as polishing metal.Conventionally, this electric angle grinder comprises casing, and this casing inside is provided with motor, and this motor has power output shaft, and this power output shaft front end is connected with the first bevel gear.Meanwhile, the bottom of this casing is articulated with the rotating shaft for fixed emery wheel sheet, and this rotating shaft top is connected with the second bevel gear, and this first bevel gear and this second bevel gear formation bevel gear pair.That is, the rotating shaft of this grinding wheel is perpendicular to the axial line of this power output shaft, and this motor drives after this grinding wheel rotation by this bevel gear pair, realizes the polishing to surfaces such as metals.Certainly, between this power output shaft and this first bevel gear, be also provided with necessary connector between this second bevel gear and this rotating shaft, and be also provided with the parts such as handle, switch on this casing, in this casing, be also provided with control circuit.Its defect is: between this power output shaft and this first bevel gear, between this second bevel gear and this rotating shaft, or the connector between them is rigid plastics or metal material preparation, thereby during assembling, need to coordinate comparatively accurately, thereby increased this electric angle grinder assembly difficulty.Meanwhile, owing to being rigid connection between all parts, do not possess toughness, thereby while working, vibrations are larger, all parts very easily damages.
Summary of the invention
The object of this invention is to provide a kind of electric angle grinder, it has the assembling of being easy to, and when work vibrations are less, the non-damageable feature of parts.
The technical solution adopted in the present invention is: electric angle grinder, comprise casing, this casing inside is provided with motor, this motor has power output shaft, this power output shaft front end is connected with the first bevel gear, simultaneously, the bottom of this casing is articulated with the rotating shaft for fixed emery wheel sheet, this rotating shaft top is connected with the second bevel gear, and this first bevel gear and this second bevel gear form bevel gear pair, described power output shaft front end is connected with a rear contiguous block, the rear end of this first bevel gear is connected with a front contiguous block, and by a rubber contiguous block, connect between this rear contiguous block and this front contiguous block.
Pulling axis after the front surface of described rear contiguous block is provided with at least 2, the rear surface of described front contiguous block is provided with at least 2 front pulling axises, simultaneously, the rear jack that the rear surface of this rubber contiguous block is provided with and this rear pulling axis matches, the front jack that the front surface of this rubber contiguous block is provided with and this front pulling axis matches.
Described rear jack and front jack are 2, and after these 2 the line of jack perpendicular to the line of these 2 front jacks.
The advantage that the present invention has is: be easy to assembling, during work vibrations less, parts are not fragile.Between the power output shaft of electric angle grinder of the present invention and the first bevel gear, by rubber contiguous block, realize transmission of power, thereby make to form and flexibly connect between this power output shaft and this first bevel gear, the vibrations that formed while having reduced power transmission between all parts, have reduced the probability that all parts damages then.Meanwhile, even if flexibly connect, make to occur coordinating the less situation of precision between all parts, between all parts, also can realize transmission of power, thereby reduce the assembly difficulty of this electric angle grinder.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the perspective exploded view of the electric angle grinder of embodiments of the invention;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the left view of the rubber contiguous block of embodiments of the invention;
Fig. 4 is the right view of the rubber contiguous block of embodiments of the invention.
The specific embodiment
Embodiment, is shown in shown in Fig. 1 to Fig. 4: electric angle grinder, comprises casing 10.These casing 10 inside are provided with motor 20, and this motor 20 has power output shaft 21, and these power output shaft 21 front ends are connected with the first bevel gear 41.Meanwhile, the bottom of this casing 10 is articulated with the rotating shaft 50 for fixed emery wheel sheet 60, and these rotating shaft 50 tops are connected with the second bevel gear 42, and this first bevel gear 41 and this second bevel gear 42 formation bevel gear pairs.That is, after these motor 20 rotations, by this bevel gear pair, drive this rotating shaft 50 rotations, finally make this grinding wheel 60 rotations.Further say, these power output shaft 21 front ends are connected with a rear contiguous block 31, and the rear end of this first bevel gear 41 is connected with a front contiguous block 33, and by a rubber contiguous block 32, connect between this rear contiguous block 31 and this front contiguous block 33.That is, between this power output shaft 21 and this first bevel gear 41, the transmission of power by this rear contiguous block 31, rubber contiguous block 32, front contiguous block 33 indirectly realizes connection.That is to say, this power output shaft 21 drives this rear contiguous block 31 rotations, and this rear contiguous block 31 drives this rubber contiguous block 32 rotations, and this rubber contiguous block 32 drives this front contiguous block 33 rotations, and this front contiguous block 33 drives this first bevel gear 41 rotations.Like this, due to the existence of this rubber contiguous block 32, make between all parts for transmission of power, to have possessed certain flexibility in this casing 10, thus the vibrations while having reduced work, reduce the probability of parts damages, and reduced the assembly difficulty of this electric angle grinder.
Wherein, the mode connecting by this rubber contiguous block 32 between this rear contiguous block 31 and this front contiguous block 33, can be that this rear contiguous block 31 and this front contiguous block 33 all push this rubber contiguous block 32 energetically, thereby between this rear contiguous block 31 and this rubber contiguous block 32, all there is the larger various ways such as frictional force between this rubber contiguous block 32 and this front contiguous block 33.Optimize, the mode connecting by this rubber contiguous block 32 between this rear contiguous block 31 and this front contiguous block 33 is: after the front surface of this rear contiguous block 31 is provided with at least 2, pulling axis 311, and the rear surface of this front contiguous block 33 is provided with at least 2 front pulling axises 331; Meanwhile, the rear jack 321 that the rear surface of this rubber contiguous block 32 is provided with and this rear pulling axis 311 matches, the front jack 322 that the front surface of this rubber contiguous block 32 is provided with and this front pulling axis 331 matches.That is, this rear pulling axis 311 is inserted in this rear jack 321, this front pulling axis 331 is inserted in this front jack 322.Certainly, this rear jack 321 and this front jack 322 can be all the through holes that runs through this rubber contiguous block 32.Like this, the assembly difficulty by between this rear contiguous block 31 of further reduction, rubber contiguous block 32, front contiguous block 33, is further reduced the assembly difficulty of this electric angle grinder.Certainly, such power transmission mode is also comparatively reliable.
Further, this rear jack 321 and front jack 322 are 2, and after these 2 the line of jack 321 perpendicular to the line of these 2 front jacks 322.Obviously, rear pulling axis 311, front pulling axis 331 now is also 2.Like this, make the transmission of power between this rear contiguous block 31, rubber contiguous block 32, front contiguous block 33 comparatively balanced.
Electric angle grinder is widely used at present, and other structure and principle are same as the prior art, repeat no more here.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. electric angle grinder, comprise casing (10), this casing (10) inside is provided with motor (20), this motor (20) has power output shaft (21), this power output shaft (21) front end is connected with the first bevel gear (41), simultaneously, the bottom of this casing (10) is articulated with the rotating shaft (50) for fixed emery wheel sheet (60), this rotating shaft (50) top is connected with the second bevel gear (42), and this first bevel gear (41) and this second bevel gear (42) form bevel gear pair, it is characterized in that: described power output shaft (21) front end is connected with a rear contiguous block (31), the rear end of this first bevel gear (41) is connected with a front contiguous block (33), and by a rubber contiguous block (32), connect between this rear contiguous block (31) and this front contiguous block (33).
2. electric angle grinder according to claim 1, it is characterized in that: pulling axis (311) after the front surface of described rear contiguous block (31) is provided with at least 2, the rear surface of described front contiguous block (33) is provided with at least 2 front pulling axises (331), simultaneously, the rear jack (321) that the rear surface of this rubber contiguous block (32) is provided with and this rear pulling axis (311) matches, the front jack (322) that the front surface of this rubber contiguous block (32) is provided with and this front pulling axis (331) matches.
3. electric angle grinder according to claim 2, is characterized in that: described rear jack (321) and front jack (322) are 2, and after these 2 the line of jack (321) perpendicular to the line of these 2 front jacks (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535513.3U CN203418404U (en) | 2013-08-29 | 2013-08-29 | Angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535513.3U CN203418404U (en) | 2013-08-29 | 2013-08-29 | Angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203418404U true CN203418404U (en) | 2014-02-05 |
Family
ID=50017508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535513.3U Expired - Fee Related CN203418404U (en) | 2013-08-29 | 2013-08-29 | Angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203418404U (en) |
-
2013
- 2013-08-29 CN CN201320535513.3U patent/CN203418404U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20160829 |