CN202015988U - Improved type angle grinding machine - Google Patents
Improved type angle grinding machine Download PDFInfo
- Publication number
- CN202015988U CN202015988U CN2011200764892U CN201120076489U CN202015988U CN 202015988 U CN202015988 U CN 202015988U CN 2011200764892 U CN2011200764892 U CN 2011200764892U CN 201120076489 U CN201120076489 U CN 201120076489U CN 202015988 U CN202015988 U CN 202015988U
- Authority
- CN
- China
- Prior art keywords
- commutator
- carbon brush
- driving motor
- drive motors
- gear
- 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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Abstract
The utility model discloses an improved type angle grinding machine, comprising a machine shell and a gear box arranged at the front end part of the machine shell, wherein the machine shell is internally provided with a driving motor; the gear box is internally provided with an output shaft; the output end of the output shaft extends out of the gear box and is provided with a wheel disc; the input end of the driving motor is electrically connected with a power cable by a switch, a rotor of the driving motor and the input end of the output shaft are respectively provided with a gear, and the gears are connected in a mutual meshing manner; and a positive carbon brush and a negative brush of the driving motor are arranged on the outer surface of a commutator of the driving motor in a relative staggered manner. Compared with the prior art, since the positive carbon brush and the negative carbon brush of the driving motor are arranged on the outer surface of the commutator of the driving motor in the relative staggered manner, when the commutator of the driving motor does circumferential operation, the grinding positions of the positive carbon brush and the negative carbon brush to the outer surface of the commutator are different, so that the service life of the commutator is prolonged.
Description
Technical field
The utility model belongs to the motor machine field, is specifically related to a kind of angle grinding machine.
Background technology
The angle grinding machine, it is a kind of electric tool of holding that is used for carrying out the metal surface grinding process, wherein more common a kind of angle grinding machine, as shown in Figure 1, its generally comprise casing 1 ' and be located at the gear-box 2 of this casing 1 ' leading section ', casing 1 ' in be provided with drive motors 3 ', gear-box 2 ' in be provided with output shaft 4 '; Wherein drive motors 3 ' input via a switch 5 ' with feed cable 11 ' be electrically connected, drive motors 3 ' rotor 31 ' go up, output shaft 4 ' input on respectively be provided with one be the gear 311 that connects of being meshing with each other ', 41 ', output shaft 4 ' output stretch out gear-box 2 ', and install in the end of this output a wheel disc 6 '; In the use, earlier with feed cable 11 ' energising, open switch 5 ', drive motors 3 ' start to work, rotor 31 ' rotation, via gear 311 ', 41 ' drive output shaft 4 ' rotations, thereby drive is located at the wheel disc 6 ' rotation of end, output shaft 4 ' outer end, like this, the wheel disc 6 of rotation ' with surface of the work contacts to play a burnishing action.
Yet, the drive motors 3 of existing angle grinding machine ' anodal carbon brush 321 ' with negative pole carbon brush 322 ' corresponding be arranged on drive motors 3 ' commutator 33 ' outer surface on; Promptly, anodal carbon brush 321 ' with negative pole carbon brush 322 ' between line and commutator 33 ' vertical setting of axial line, like this drive motors 3 ' commutator 33 ' when making circumferential running, anodal carbon brush 321 ' to the abration position and the negative pole carbon brush 322 of commutator 33 ' outer surface ' identical to the abration position of commutator 33 ' outer surface, make commutator 33 ' be worn twice at same position, thus make commutator 33 ' service life shorter.
In view of this, the structure of inventor diagonal angle grinding machine is furtherd investigate, and this case produces thus.
The utility model content
The purpose of this utility model is to provide a kind of modified angle grinding machine that prolongs the service life of commutator.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of modified angle grinding machine, comprise casing (1) and be located at the gear-box (2) of this casing (1) leading section, be provided with drive motors (3) in the casing (1), be provided with output shaft (4) in the gear-box (2), the output of this output shaft (4) stretches out this gear-box (2), and install a wheel disc (5) in this end, the input of this drive motors (3) is electrically connected with feed cable (11) via a switch (6), and the rotor (31) of this drive motors (3) is gone up, respectively be provided with one on the input of output shaft (4) is gear (311), (41) that are meshing with each other and connect; The anodal carbon brush (321) of above-mentioned drive motors (3) is relative with negative pole carbon brush (322) to be arranged on the outer surface of commutator (33) of drive motors (3) with staggering.
After adopting said structure, a kind of modified of the present utility model angle grinding machine, be arranged on the outer surface of commutator of drive motors because the anodal carbon brush of drive motors is relative with the negative pole carbon brush with staggering, like this, the commutator of drive motors is when making circumferential running, the positive and negative electrode carbon brush to the wearing and tearing of commutator outer surface not on same position, thereby prolonged service life of commutator.
Description of drawings
Fig. 1 is the structural representation of existing angle grinding machine;
Fig. 2 is a structural representation of the present utility model.
Among the figure:
Casing 1 ' feed cable 11 '
Gear-box 2 ' drive motors 3 '
Rotor 31 ' gear 311 '
Anodal carbon brush 321 ' negative pole carbon brush 322 '
Commutator 33 ' output shaft 4 '
Gear 41 ' switch 5 '
Wheel disc 6 '
Casing 1 feed cable 11
Gear-box 2 drive motors 3
Anodal carbon brush 321 negative pole carbon brush 322
Switch 6
The specific embodiment
A kind of angle of the utility model grinding machine, as shown in Figure 2, comprise casing 1 and the gear-box 2 that is located at this casing 1 leading section, be provided with drive motors 3 in the casing 1, be provided with output shaft 4 in the gear-box 2, the output of this output shaft 4 stretches out this gear-box 2, and installs a wheel disc 5 in this end, the input of this drive motors 3 is electrically connected with feed cable 11 via a switch 6, on the rotor 31 of this drive motors 3, respectively be provided with one on the input of output shaft 4 and be the gear 311,41 that is meshing with each other and connects; Innovative point of the present utility model is: the anodal carbon brush 321 of this drive motors 3 and negative pole carbon brush 322 be relative to be arranged on the outer surface of commutator 33 of drive motors 3 with staggering.
Compared with prior art, be arranged on the outer surface of commutator 33 of drive motors 3 because the anodal carbon brush 321 of drive motors 3 and negative pole carbon brush 322 be relative with staggering, the commutator 33 of drive motors 3 is when making circumferential running, positive 321, negative 322 utmost point carbon brush to the wearing and tearing of commutator outer surface not on same position, thereby prolonged service life of commutator 3.
The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (1)
1. modified angle grinding machine, comprise casing (1) and be located at the gear-box (2) of this casing (1) leading section, be provided with drive motors (3) in the casing (1), be provided with output shaft (4) in the gear-box (2), the output of this output shaft (4) stretches out this gear-box (2), and installs a wheel disc (5) in this end; The input of this drive motors (3) is electrically connected with feed cable (11) via a switch (6), and the rotor (31) of this drive motors (3) is gone up, respectively be provided with one on the input of output shaft (4) is gear (311), (41) that are meshing with each other and connect; It is characterized in that: the anodal carbon brush (321) of above-mentioned drive motors (3) is relative with negative pole carbon brush (322) to be arranged on the outer surface of commutator (33) of drive motors (3) with staggering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200764892U CN202015988U (en) | 2011-03-21 | 2011-03-21 | Improved type angle grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200764892U CN202015988U (en) | 2011-03-21 | 2011-03-21 | Improved type angle grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202015988U true CN202015988U (en) | 2011-10-26 |
Family
ID=44809665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200764892U Expired - Fee Related CN202015988U (en) | 2011-03-21 | 2011-03-21 | Improved type angle grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202015988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853879A (en) * | 2012-12-20 | 2015-08-19 | 罗伯特·博世有限公司 | Hand-held power tool having an electronically commutated electric motor and an integrated electronics system |
-
2011
- 2011-03-21 CN CN2011200764892U patent/CN202015988U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853879A (en) * | 2012-12-20 | 2015-08-19 | 罗伯特·博世有限公司 | Hand-held power tool having an electronically commutated electric motor and an integrated electronics system |
| US9662760B2 (en) | 2012-12-20 | 2017-05-30 | Robert Bosch Gmbh | Hand-held power tool having an electronically commutated electric motor and an integrated electronics system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Improved type angle grinding machine Effective date of registration: 20150925 Granted publication date: 20111026 Pledgee: Huian County Credit Cooperative Association of rural credit cooperatives Pledgor: Fujian Huian Jiangu Electrical Machinery Co., Ltd. Registration number: 2015990000835 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160912 Granted publication date: 20111026 Pledgee: Huian County Credit Cooperative Association of rural credit cooperatives Pledgor: Fujian Huian Jiangu Electrical Machinery Co., Ltd. Registration number: 2015990000835 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Improved type angle grinding machine Effective date of registration: 20160912 Granted publication date: 20111026 Pledgee: Huian County Credit Cooperative Association of rural credit cooperatives Pledgor: Fujian Huian Jiangu Electrical Machinery Co., Ltd. Registration number: 2016990000782 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20111026 Termination date: 20200321 |