CN208304787U - A kind of angle grinder self-locking structure - Google Patents
A kind of angle grinder self-locking structure Download PDFInfo
- Publication number
- CN208304787U CN208304787U CN201820732627.XU CN201820732627U CN208304787U CN 208304787 U CN208304787 U CN 208304787U CN 201820732627 U CN201820732627 U CN 201820732627U CN 208304787 U CN208304787 U CN 208304787U
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- CN
- China
- Prior art keywords
- self
- lock pin
- locking
- steel bushing
- angle grinder
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Abstract
The utility model relates to a kind of components of angle grinder, more particularly to a kind of angle grinder self-locking structure, including aluminium head capsule, self-locking hole on aluminium head capsule is set, the self-lock pin being mounted at self-locking hole, cooperate the gear wheel of self-lock pin, the output shaft of gear wheel is installed and is mounted on the grinding wheel of output shaft end, steel bushing is studded in the self-locking hole, the self-lock pin is up and down in steel bushing, the gear wheel is equipped with the self-locking grooves of cooperation self-lock pin, the self-lock pin upper end is equipped with from lock nut, it is described to be connected with reset spring between lock nut and aluminium head capsule, the reseting spring sleeve is on self-lock pin.The utility model protects the self-locking hole of aluminum component using steel bushing; the self-lock pin of aluminum component can be prevented because stress becomes larger or deformation fracture; ensure that self-locking function at handling saw blade 500 times or more is all not in failure phenomenon, extends the service life of self-locking structure, reduction maintenance cost.
Description
Technical field
The utility model relates to a kind of components of angle grinder more particularly to a kind of angle grinder self-locking structures.
Background technique
For angle grinder when replacing grinding wheel, gear wheel drives output shaft rotation in order to prevent, it usually needs self-locking knot
Structure locks gear wheel, and still, the self-locking structure of existing angle grinder is typically all directly to open self-locking hole on aluminium head capsule, when self-locking
Lock lives gear wheel, after handling grinding wheel 100 times, the self-locking hole of aluminum component shaken etc. grinding wheel due to can stress become larger or
Deformation fracture makes self-locking function fail, and shortens the service life of self-locking structure, increases maintenance cost.
Utility model content
The utility model provides a kind of using steel bushing guarantor to solve above-mentioned defect existing in the prior art and deficiency
The self-locking hole for protecting aluminum component can prevent the self-lock pin of aluminum component because stress becomes larger or deformation fracture, it is ensured that self-locking function is loading and unloading
Saw blade 500 times or more are all not in failure phenomenon, extend the service life of self-locking structure, reduce the angle grinder of maintenance cost certainly
Lock construction.
The technical solution of the utility model includes: a kind of angle grinder self-locking structure, including aluminium head capsule, be arranged on aluminium head capsule from
Lockhole, the self-lock pin being mounted at self-locking hole, cooperate self-lock pin gear wheel, install gear wheel output shaft and be mounted on output
The grinding wheel in shaft end portion studs with steel bushing in the self-locking hole, and the self-lock pin is up and down in steel bushing, sets on the gear wheel
There are the self-locking grooves of cooperation self-lock pin, the self-lock pin upper end is equipped with from lock nut, described to be connected between lock nut and aluminium head capsule again
Position spring, the reseting spring sleeve is on self-lock pin.
The utility model using steel bushing protection aluminum component self-locking hole, can prevent aluminum component self-lock pin because stress become larger or
Deformation fracture, it is ensured that self-locking function is all not in failure phenomenon at handling saw blade 500 times or more, extends the use of self-locking structure
Service life reduces maintenance cost.
Preferably, the steel bushing is externally provided with external screw thread, is equipped in the self-locking hole and cooperates externally threaded internal screw thread.
This kind of structure ensures that steel bushing very solid and reliable can be mounted in self-locking hole, prevents steel bushing from falling off, and damage is certainly
Lockhole.
Preferably, the aluminium head capsule is equipped with limiting slot of the cooperation from lock nut, and the limit trench bottom and steel bushing top are neat
Flat, the reset spring upper end is fixed on from lock nut, and reset spring lower end is fixed on steel bushing.
This kind of structure, which ensures to press self-locking hatband, to be moved self-lock pin and moves downward that lock gear wheel more steady reliable.
Preferably, the self-lock pin upper end is equipped with threaded connection section, described that matching thread linkage section is equipped with from lock nut
Threaded connection hole, the diameter of the threaded connection section are less than the diameter of self-lock pin.
This kind of structure ensures stronger reliable from the connection of lock nut and self-lock pin.
Preferably, the ring spring slot that cooperation reset spring is additionally provided with from lock nut, the reset spring upper end is stretched
Enter and is fixed in ring spring slot with from lock nut.
This kind of structure ensures to compress reset spring from lock nut and reset spring resets the movement opened from lock nut and steadily may be used
It leans on.
Preferably, the grinding wheel is mounted on output shaft by upper flange and lower flange.
This kind of structure ensures the degree of firmly installing of grinding wheel.
The utility model using steel bushing protection aluminum component self-locking hole, can prevent aluminum component self-lock pin because stress become larger or
Deformation fracture, it is ensured that self-locking function is all not in failure phenomenon at handling saw blade 500 times or more, extends the use of self-locking structure
Service life reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
1. aluminium head capsule in figure, 2. self-locking holes, 3. self-lock pins, 4. from lock nut, 5. gear wheels, 6. output shafts, 7. grinding wheels, and 8.
Reset spring, 9. self-locking grooves, 10. steel bushings, 11. limiting slots, 12. threaded connection sections, 13. ring spring slots, 14. upper flanges, 15.
Lower flange.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, but is not that model is protected to the utility model
The limitation enclosed.
As shown in Figure 1, a kind of angle grinder self-locking structure, including aluminium head capsule 1, the self-locking hole being arranged on aluminium head capsule 12, peace
The gear wheel 5 of self-lock pin 3, cooperation self-lock pin 3 at self-locking hole 2 installs the output shaft 6 of gear wheel 5 and is mounted on output
The grinding wheel 7 of 6 end of axis.Steel bushing 10 is studded in self-locking hole 2, self-lock pin 3 is up and down in steel bushing 10, and gear wheel 5 is equipped with
Cooperate the self-locking grooves 9 of self-lock pin 3,3 upper end of self-lock pin is equipped with from lock nut 4, and reset bullet is connected between lock nut 4 and aluminium head capsule 1
Spring 8,8 sets of reset spring on self-lock pin 3.Steel bushing 10 is externally provided with external screw thread, is equipped in self-locking hole 2 and cooperates externally threaded interior spiral shell
Line.Aluminium head capsule 1 is equipped with limiting slot 11 of the cooperation from lock nut 4, flushes at the top of 11 bottom of limiting slot and steel bushing 10, reset spring 8
Upper end is fixed on from lock nut 4, and 8 lower end of reset spring is fixed on steel bushing 10.3 upper end of self-lock pin is equipped with threaded connection section 12,
The threaded connection hole of matching thread linkage section 12 is equipped with from lock nut 4, the diameter of threaded connection section 12 is less than the straight of self-lock pin 3
Diameter.The ring spring slot 13 of cooperation reset spring 8 is additionally provided with from lock nut 4,8 upper end of reset spring is protruded into ring spring slot 13
It is fixed with from lock nut 4.Grinding wheel 7 is mounted on output shaft 6 by upper flange 14 and lower flange 15.
When the utility model is used, it when needing replacing grinding wheel, presses from lock nut, overcomes the reset force band of reset spring
Dynamic self-lock pin moves downward, so that clamping in the self-locking grooves of self-lock pin lower end insertion gear wheel；After grinding wheel replacement, mention
It draws from lock nut, so that self-lock pin lower end and self-locking grooves disengage, self-lock pin and multiple under the reset force effect of reset spring from lock nut
Position, prevents self-lock pin that gear wheel is stuck.
The utility model using steel bushing protection aluminum component self-locking hole, can prevent aluminum component self-lock pin because stress become larger or
Deformation fracture, it is ensured that self-locking function is all not in failure phenomenon at handling saw blade 500 times or more, extends the use of self-locking structure
Service life reduces maintenance cost.
Claims (6)
1. a kind of angle grinder self-locking structure, including aluminium head capsule, the self-locking hole being arranged on aluminium head capsule, oneself being mounted at self-locking hole
Lock pin, the gear wheel for cooperating self-lock pin, the output shaft for installing gear wheel and the grinding wheel for being mounted on output shaft end, feature exist
In: steel bushing is studded in the self-locking hole, the self-lock pin is up and down in steel bushing, and the gear wheel is equipped with cooperation self-lock pin
Self-locking grooves, the self-lock pin upper end is equipped with from lock nut, described to be connected with reset spring between lock nut and aluminium head capsule, described multiple
Position spring pocket is on self-lock pin.
2. a kind of angle grinder self-locking structure according to claim 1, it is characterised in that: the steel bushing is externally provided with external screw thread,
It is equipped in the self-locking hole and cooperates externally threaded internal screw thread.
3. a kind of angle grinder self-locking structure according to claim 1, it is characterised in that: the aluminium head capsule is equipped with cooperation certainly
It is flushed at the top of the limiting slot of lock nut, the limit trench bottom and steel bushing, the reset spring upper end is fixed on from lock nut, is resetted
Lower spring end is fixed on steel bushing.
4. a kind of angle grinder self-locking structure according to claim 1, it is characterised in that: the self-lock pin upper end is equipped with screw thread
The diameter of linkage section, the threaded connection hole that matching thread linkage section is equipped with from lock nut, the threaded connection section is less than certainly
The diameter of lock pin.
5. a kind of angle grinder self-locking structure according to claim 4, it is characterised in that: described to be additionally provided with cooperation from lock nut
The ring spring slot of reset spring, the reset spring upper end are protruded into ring spring slot and are fixed with from lock nut.
6. a kind of angle grinder self-locking structure according to claim 1, it is characterised in that: the grinding wheel by upper flange and
Lower flange is mounted on output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820732627.XU CN208304787U (en) | 2018-05-17 | 2018-05-17 | A kind of angle grinder self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820732627.XU CN208304787U (en) | 2018-05-17 | 2018-05-17 | A kind of angle grinder self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208304787U true CN208304787U (en) | 2019-01-01 |
Family
ID=64711995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820732627.XU Active CN208304787U (en) | 2018-05-17 | 2018-05-17 | A kind of angle grinder self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208304787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500840A (en) * | 2018-05-17 | 2018-09-07 | 浙江精力工具有限公司 | Angle grinder self-locking structure and its self-locking method |
-
2018
- 2018-05-17 CN CN201820732627.XU patent/CN208304787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500840A (en) * | 2018-05-17 | 2018-09-07 | 浙江精力工具有限公司 | Angle grinder self-locking structure and its self-locking method |
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