CN203680055U - Novel transmission mechanism of angle grinder - Google Patents
Novel transmission mechanism of angle grinder Download PDFInfo
- Publication number
- CN203680055U CN203680055U CN201420027073.5U CN201420027073U CN203680055U CN 203680055 U CN203680055 U CN 203680055U CN 201420027073 U CN201420027073 U CN 201420027073U CN 203680055 U CN203680055 U CN 203680055U
- Authority
- CN
- China
- Prior art keywords
- transmission mechanism
- pivot joint
- grinding machine
- revolving shaft
- friction plate
- 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
Links
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides a novel transmission mechanism of an angle grinder. The novel transmission mechanism of the angle grinder comprises an output rotating shaft, wherein the output rotating shaft is movably provided with a transmission gear in a sleeved mode, an upper friction plate, an upper shim and a spring shim are sequentially upwards arranged on the upper side of the transmission gear in a closely-attached mode, a lower friction plate and a lower shim are sequentially downwards arranged on the lower side of the transmission gear in a closely-attached mode, and the output rotating shaft is provided with a locknut. Thus, the novel transmission mechanism of the angle grinder breaks through a structural form of a transmission mechanism of a traditional angle grinder; after the transmission gear of the angle grinder is driven by an output gear of a driving motor, the transmission gear rubs against the upper friction plate, the upper friction plate, the upper shim, the spring shim and the locknut are driven by means of frictional force among parts in sequence, and the output rotating shaft is driven to rotate; when resistance suffered by a grinding wheel suddenly increases, the suddenly increasing resistance is buffered through the frictional force among the parts, and the resistance is flexibly inversely transmitted to the driving motor. Compared with the prior art, the novel transmission mechanism can prevent the driving motor from being rotated due to blocking even being damaged and effectively protects the driving motor.
Description
Technical field
The utility model relates to angle grinding machine field of components, is specifically related to the novel transmission mechanism of the angle grinding machine in a kind of effective prolongation angle grinding machine service life.
Background technology
The structure of angle grinding machine has been known, and as a kind of angle grinding machine more common on market, the gear-box that it generally comprises casing and is located at this casing leading section, is provided with drive motors in casing, be provided with output revolving shaft in gear-box; Wherein the input of drive motors is electrically connected with feed cable via a switch, on the rotor of drive motors, on the input of output revolving shaft, be respectively provided with a gear that is intermeshing connection, the output of output revolving shaft stretches out gear-box, and installs a grinding wheel in the end of this output; The structure of the transmission mechanism of this angle grinding machine specifically comprises that upper end is stretched in the grinding machine of angle and housing is articulated, and lower end drives with grinding wheel the output revolving shaft being connected; Described output revolving shaft is by madial wall pivot joint on upper pivot joint parts and housing, by madial wall pivot joint under lower pivot joint parts and housing; Described output revolving shaft tightens engage sleeves and is provided with the output gear of drive motors and mates the travelling gear engaging.
Aforementioned angle grinding machine in use, first feed cable is switched on, open switch, drive motors startup work, rotor rotates, and rotates via output gear band nutating gear, travelling gear relies on friction tight connected mode driver output rotating shaft to rotate, thereby drive the grinding wheel that is located at end, output revolving shaft outer end to rotate, like this, the grinding wheel of rotation contacts to play ablation with surface of the work.But when the suffered resistance of grinding wheel is uprushed, while meeting harder object to be processed as prominent, the resistance back transfer that grinding wheel can directly be uprushed this via travelling gear and output gear by output revolving shaft is to drive motors, often there is stall situation, sometimes even also can directly damage drive motors, the normal use and the service life that have a strong impact on angle grinding machine, practicality has much room for improvement.
Given this, this case inventor further investigate the problems referred to above, then has this case to produce.
Utility model content
The purpose of this utility model is to provide one can prevent that drive motors generation stall from even damaging, and drive motors is effectively protected, and extends the novel transmission mechanism of the angle grinding machine in the service life of angle grinding machine, and novel and reasonable structure is practical.
In order to achieve the above object, the utility model adopts such technical scheme:
A novel transmission mechanism for angle grinding machine, comprises that upper end is stretched in the grinding machine of angle and housing is articulated, and lower end drives with grinding wheel the output revolving shaft being connected; Described output revolving shaft is by madial wall pivot joint on upper pivot joint parts and housing, by madial wall pivot joint under lower pivot joint parts and housing; On described output revolving shaft, movable sleeve is provided with the output gear of drive motors and mates the travelling gear engaging, in described travelling gear upside and be upwards close to successively upper friction plate, Upper gasket and the spring shim of arrangement, and in described travelling gear downside and be close to successively lower friction plate and the lower gasket of arrangement downwards, described lower gasket is resisted against described lower pivot joint component upper ends; Described output revolving shaft is formed with the external screw thread in described spring shim upside, and is equipped with locking nut.
The upper end of above-mentioned output revolving shaft is formed with small diameter part, and above-mentioned upper pivot joint parts are that the merging of small diameter part close-fitting is embedded in the bearing in the corresponding storage tank of madial wall on housing therewith.
Above-mentioned lower pivot joint parts are to merge and be embedded in the bearing in the corresponding storage tank of madial wall under housing with above-mentioned output revolving shaft close-fitting, and above-mentioned lower gasket is resisted against the inner ring upper end of the described lower pivot joint parts of bearing type.
Above-mentioned spring shim is the bowl type spring shim of back-off.
Above-mentioned travelling gear is the supine angular wheel of tooth, matches with the taper output gear of the horizontal axis of drive motors.
Adopt after technique scheme, the novel transmission mechanism of angle of the present utility model grinding machine, it breaks through the structural form of conventional angular mill driving mechanism, different from tight fit and the transmission of conventional gears and rotating shaft, its travelling gear is movably set on output revolving shaft, after being driven by the output gear of drive motors, with upper friction plate friction, and utilize the frictional force between each parts to drive successively upper friction plate, Upper gasket, spring shim and locking nut, and then driver output rotating shaft is rotated, realize the flexible rotating drive to grinding wheel, in the time that the suffered resistance of grinding wheel is uprushed, travelling gear, upper friction plate, Upper gasket, between spring shim and locking nut, correspondingly form sliding friction, the resistance that buffering is uprushed, pass drive motors by flexible resistance anti-pass, overcome conventional angular mill driving mechanism and pass drive motors by the resistance anti-pass of uprushing, drive motors is impacted and the defects such as stall even damages occur, compared with prior art, the novel transmission mechanism of angle of the present utility model grinding machine, it can prevent that drive motors generation stall from even damaging, drive motors is effectively protected, extend the service life of angle grinding machine, novel and reasonable structure, practical.
Accompanying drawing explanation
Fig. 1 is broken section structural representation of the present utility model;
Fig. 2 is the broken section structural representation that the utility model uses state.
In figure:
The specific embodiment
Be described in detail the technical solution of the utility model below by specific embodiment in order further to explain.
The novel transmission mechanism of a kind of angle of the present utility model grinding machine, as illustrated in fig. 1 and 2, comprises output revolving shaft 1.
The upper end of output revolving shaft 1 is stretched in the grinding machine of angle and is articulated with housing 9, and lower end drives and is connected with grinding wheel 10 outside the grinding machine of angle; Output revolving shaft 1 is by madial wall pivot joint on upper pivot joint parts 11 and housing 9, by lower pivot joint parts 12 and 9 times madial wall pivot joints of housing; On output revolving shaft 1, movable sleeve is provided with the output gear 201 of drive motors 20 and mates the travelling gear 2 engaging, in travelling gear 2 upsides and be upwards close to successively upper friction plate 3, Upper gasket 4 and the spring shim 5 of arrangement, and in travelling gear 2 downsides and be close to successively lower friction plate 6 and the lower gasket 7 of arrangement downwards, lower gasket 7 is resisted against lower pivot joint parts 12 upper ends; Output revolving shaft 1 is formed with the external screw thread in spring shim 5 upsides, and is equipped with locking nut 8.The utility model is different from tight fit and the transmission of conventional gears and rotating shaft, its travelling gear 2 is movably set on output revolving shaft 1, and the external diameter of the internal diameter specific output rotating shaft 1 of travelling gear 2 is slightly large, and gap should be enough little, make travelling gear 2 and output revolving shaft 1 almost coaxial, to guarantee rotation precision.Screw upper friction plate 3, Upper gasket 4 and spring shim 5 that locking nut 8 makes travelling gear 2 tops, and the lower friction plate 6 of below and lower gasket 7 realize to the clamping of travelling gear 2, and realize travelling gear 2 is clamped in conjunction with the elastic force of spring shim 5.After travelling gear 2 is driven by the output gear 201 of drive motors 20, rub with upper friction plate 3, and utilize the frictional force between each parts to drive successively upper friction plate 3, Upper gasket 4, spring shim 5 and locking nut 8, and then driver output rotating shaft 1 is rotated, realize the flexible rotating drive to grinding wheel 10, in the time that the suffered resistance of grinding wheel 10 is uprushed, travelling gear 2, upper friction plate 3, Upper gasket 4, between spring shim 5 and locking nut 8, correspondingly form sliding friction, the resistance that buffering is uprushed, pass drive motors 20 by flexible resistance anti-pass, overcome conventional angular mill driving mechanism and pass drive motors by the resistance anti-pass of uprushing, drive motors is impacted and the defects such as stall even damages occur.
For the pivot joint of madial wall on specific implementation output revolving shaft 1 and housing 9, preferably, the upper end of output revolving shaft 1 is formed with small diameter part 13, and upper pivot joint parts 11 are that small diameter part 13 close-fittings merging are embedded in the bearing in the corresponding storage tank of madial wall on housing 9 therewith.Concrete structure can be, and the upper end of locking nut 8 is resisted against the inner ring lower end of the upper pivot joint parts 11 of bearing type, compact conformation and can loosen fixing to locking nut 8.
Preferably, lower pivot joint parts 12 are for merging with output revolving shaft 1 close-fitting the bearing being embedded in 9 times corresponding storage tanks of madial wall of housing, lower gasket 7 is resisted against the inner ring upper end of the lower pivot joint parts 12 of bearing type, when the upper surface of travelling gear 2 and upper friction plate 3 rub, the lower surface of travelling gear 2 and lower friction plate 6 rub, and utilize the frictional force between each parts to drive successively lower friction plate 6, the inner ring of the lower pivot joint parts 12 of lower gasket 7 and bearing type, and then rotate with the common driver output rotating shaft 1 of locking nut 8, driving force is balanced up and down, realize the flexibility of grinding wheel 10 rotating drive stably, in the time that the suffered resistance of grinding wheel 10 is uprushed, travelling gear 2, upper friction plate 3, Upper gasket 4, between spring shim 5 and locking nut 8, correspondingly form sliding friction, simultaneously, travelling gear 2, lower friction plate 6, between the inner ring of lower gasket 7 and lower pivot joint parts 12, correspondingly form sliding friction, further strengthen the ability that cushions the resistance of uprushing, and can make travelling gear 2 be subject to upper and lower balanced frictional force, pass drive motors 20 by more stable resistance anti-pass more flexibly.
For specific implementation spring shim 5, and be beneficial to spring shim 5 elasticity discharge, to strengthen the clamping effect to travelling gear 2, preferably, the bowl type spring shim that spring shim 5 is back-off.Be spring shim 5 protruding end upward with corresponding being close to of lower end of locking nut 8, female ends down with corresponding being close to of upper surface of Upper gasket 4.
For the transmission to travelling gear 2 of the output gear 201 of specific implementation drive motors 20, preferably, travelling gear 2 is the supine angular wheel of tooth, matches with the taper output gear of the horizontal axis of drive motors 20.
The novel transmission mechanism of angle of the present utility model grinding machine, the form of travelling gear can be adjusted and design according to actual requirement; Spring shim is preferably a bowl type spring shim, and concrete form also can be adjusted and design according to actual requirement; The type of attachment of the concrete form of upper pivot joint parts, lower pivot joint parts and the two and output revolving shaft and angle grinding machine shell also can be adjusted and design according to actual requirement; The utility model can be done to be applicable to various angles grinding machine after accommodation, and more in a broad aspect, the utility model is preferably applied in the grinding machine of angle, also applicable in other electric tools.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (5)
1. a novel transmission mechanism for angle grinding machine, comprises that upper end is stretched in the grinding machine of angle and housing is articulated, and lower end drives with grinding wheel the output revolving shaft being connected; Described output revolving shaft is by madial wall pivot joint on upper pivot joint parts and housing, by madial wall pivot joint under lower pivot joint parts and housing; It is characterized in that: on described output revolving shaft, movable sleeve is provided with the output gear of drive motors and mates the travelling gear engaging, in described travelling gear upside and be upwards close to successively upper friction plate, Upper gasket and the spring shim of arrangement, and in described travelling gear downside and be close to successively lower friction plate and the lower gasket of arrangement downwards, described lower gasket is resisted against described lower pivot joint component upper ends; Described output revolving shaft is formed with the external screw thread in described spring shim upside, and is equipped with locking nut.
2. the novel transmission mechanism of a kind of angle according to claim 1 grinding machine, it is characterized in that: the upper end of above-mentioned output revolving shaft is formed with small diameter part, above-mentioned upper pivot joint parts are that the merging of small diameter part close-fitting is embedded in the bearing in the corresponding storage tank of madial wall on housing therewith.
3. the novel transmission mechanism of a kind of angle according to claim 2 grinding machine, it is characterized in that: above-mentioned lower pivot joint parts are to merge and be embedded in the bearing in the corresponding storage tank of madial wall under housing with above-mentioned output revolving shaft close-fitting, and above-mentioned lower gasket is resisted against the inner ring upper end of the described lower pivot joint parts of bearing type.
4. according to the novel transmission mechanism of a kind of angle grinding machine described in claim 1,2 or 3, it is characterized in that: the bowl type spring shim that above-mentioned spring shim is back-off.
5. the novel transmission mechanism of a kind of angle according to claim 4 grinding machine, is characterized in that: above-mentioned travelling gear is the supine angular wheel of tooth, matches with the taper output gear of the horizontal axis of drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027073.5U CN203680055U (en) | 2014-01-16 | 2014-01-16 | Novel transmission mechanism of angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027073.5U CN203680055U (en) | 2014-01-16 | 2014-01-16 | Novel transmission mechanism of angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203680055U true CN203680055U (en) | 2014-07-02 |
Family
ID=51002014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027073.5U Expired - Fee Related CN203680055U (en) | 2014-01-16 | 2014-01-16 | Novel transmission mechanism of angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203680055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479336A (en) * | 2015-11-20 | 2016-04-13 | 岳文智 | Industrial grinder rotating gear device |
| CN108421666A (en) * | 2018-05-24 | 2018-08-21 | 鑫鹏源（聊城）智能科技股份有限公司 | A kind of steel tube surface anti-corrosion paint spraying machine |
-
2014
- 2014-01-16 CN CN201420027073.5U patent/CN203680055U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479336A (en) * | 2015-11-20 | 2016-04-13 | 岳文智 | Industrial grinder rotating gear device |
| CN108421666A (en) * | 2018-05-24 | 2018-08-21 | 鑫鹏源（聊城）智能科技股份有限公司 | A kind of steel tube surface anti-corrosion paint spraying machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2399710A3 (en) | Auxiliary tool for assembling and disassembling spark plug | |
| CN203680055U (en) | Novel transmission mechanism of angle grinder | |
| CN204471133U (en) | A kind of novel winding drum inside weld floating device | |
| CN107497728A (en) | Wafer brushing device | |
| CN209533106U (en) | Grinding device is used in a kind of production of wood furniture | |
| CN201105268Y (en) | Cleaning mechanism and pipe cleaning device using the same | |
| CN204639880U (en) | A kind of wooden pearl polishing machine | |
| CN204602554U (en) | A kind of high-precision screw formula glue dispensing valve | |
| CN203778429U (en) | Device cleaning blocked hole of die in floating mode | |
| CN203690600U (en) | Novel cable sleeve of electric tool | |
| CN205340682U (en) | High -speed dispersion machine | |
| CN205254876U (en) | Medical electronic moment of torsion bottle opener | |
| CN209063015U (en) | Auxiliary device is used in a kind of installation of flange | |
| CN204050232U (en) | A kind of electric itch scratcher | |
| CN206041732U (en) | Two -way drive arrangement and waterwheel aerator | |
| CN208941186U (en) | A kind of wirerope brush head of inside and outside counter rotating | |
| CN205852799U (en) | A kind of brake unit of horizontal articulated robot linear axis | |
| CN202219457U (en) | Quick-change grinding wheel guard and improved structure for connecting quick-change grinding wheel guard with front cover | |
| CN109465654A (en) | A kind of cylindrical work fixture for processing | |
| CN206912941U (en) | Grinder head component movement mechanism | |
| CN207762124U (en) | A kind of elastic-type limit rotary shaft | |
| CN203803412U (en) | Novel agitating turret | |
| CN203818060U (en) | Longitudinal torque wrench | |
| CN204108829U (en) | For the electric drill of jade polishing | |
| CN211386060U (en) | Cleaning and sterilizing device for inner plug of eye drops |
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 |
Granted publication date: 20140702 Termination date: 20200116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |