CN103862338A - Angle grinder with push rod type stopping mechanism - Google Patents
Angle grinder with push rod type stopping mechanism Download PDFInfo
- Publication number
- CN103862338A CN103862338A CN201210532940.6A CN201210532940A CN103862338A CN 103862338 A CN103862338 A CN 103862338A CN 201210532940 A CN201210532940 A CN 201210532940A CN 103862338 A CN103862338 A CN 103862338A
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- China
- Prior art keywords
- push rod
- push
- grinding machine
- stop mechanism
- latch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides an angle grinder with a push rod type stopping mechanism. The push rod type stopping mechanism is provided with a push rod, a stop pin and an elastic piece, wherein the push rod is arranged below a reduction gearbox cover of the angle grinder, one end of the push rod is connected with a rotation shaft on the machine body of the angle grinder and also can rotate along a vertical plane, and the other end is used for pulling the rotary free end of the push rod; the lower end of the stop pin is fixedly connected with the push rod, and the upper end of the stop pin is arranged in the reduction gearbox cover in a penetrating manner and also can move up and down; at least two grooves are respectively formed in the lower part, corresponding to the position of the stop pin, of a gear along the circumferential direction, and the upper end of the stop pin can enter one of the grooves by moving upwards; the elastic piece is connected between the push rod and a head shell. Compared with prior art, the angle grinder with the push rod type stopping mechanism is simpler and more labor-saving in mounting and demounting of grinding wheels, and can reduce the size of the head shell.
Description
Technical field
The present invention relates to a kind of electric tool for grinding, cutting or polishing, especially relate to a kind of angle grinding machine with push-down stop mechanism.
Background technology
Angle grinding machine is a kind of conventional electric tool, and its groundwork principle is to utilize to be fixed on output shaft and with the grinding wheel of output shaft High Rotation Speed material to be carried out to the processing such as grinding, polishing, polishing.Because the grinding wheel of angle grinding machine is easy to wear, need often to change grinding wheel.While changing grinding wheel, need fixed angles grinding machine fuselage, and block output shaft with spanner and brake, then with another spanner, the securing member of fixed emery wheel sheet is removed simultaneously, Renewal process bothers very much, and efficiency is also very low.
Chinese utility model patent CN201239909Y discloses the working head of a kind of angle grinding machine, it comprises PBU pushbutton unit on head capsule, head capsule, be loaded on output shaft on head capsule, drive output shaft gear, be loaded on the grinding wheel on output shaft, described PBU pushbutton unit comprises a button, between button and head capsule, Compress Spring is housed, latch one end is fixed on button by the through hole on head capsule, the latch other end is blocked by head capsule, is along the circumferential direction provided with at least two position-arresting holes on described gear.The working head of this angle grinding machine is by being arranged on the PBU pushbutton unit on head capsule, in the time pressing the button, latch enters in gear position-arresting hole, gear and output shaft can not be rotated, thereby to output shaft braking, realized and only having needed with once spanner degree of tightness round nut can be loaded and unloaded to grinding wheel quickly and easily.
But, due to described PBU pushbutton unit is directly arranged to head capsule top, be positioned at casing to zygonema place, latch has moment of torsion, vibration, easily the seam of casing is impacted, and makes casing cracking, and latch be arranged on head capsule top in operation not smoothly yet.Another Chinese utility model patent CN2447107Y discloses a kind of improved structure of angle-grinding arresting pin, comprises latch, retaining spring, stop guide, and described latch is arranged on the sidepiece of head capsule, and latch holds out against output shaft from the side.This utility model is arranged on latch the sidepiece of head capsule, can avoid casing apposition position to impact, and prevents casing cracking, makes more convenient to operate.
Although successfully realized the braking of the output shaft of diagonal angle grinder heads in prior art, but because PBU pushbutton unit or latch structure are arranged on head capsule top or sidepiece, there is following defect: it is large that (1) PBU pushbutton unit or latch structure take volume, increase the size of head capsule, cause angle grinding machine can not enter narrow space, limited the scope of application of angle grinding machine; (2) contrary with grinding wheel disassembly direction when PBU pushbutton unit or latch structure operation, sight line is bad, inconvenient operation.
Summary of the invention
In view of this, the object of the invention is to overcome the defect of prior art, a kind of angle grinding machine with Two Directional Stop Mechanism be provided, this kind of stop mechanism to head capsule to take volume little, reduced head capsule size, make to load and unload the more convenient to operate of grinding wheel.
For achieving the above object, the present invention adopts following technical scheme:
A kind of angle grinding machine with push-down stop mechanism, it comprises angle grinder body, head capsule, be loaded on output shaft on described head capsule, drive described output shaft gear, be installed on the gear box cover of described head capsule bottom, it is characterized in that: described angle grinding machine has push-down stop mechanism, this push-down stop mechanism comprises push rod, latch and elastic component, described push rod is located at the below of described gear box cover, its one end is to be rotationally connected with the rotating shaft end on the grinder body of described angle along perpendicular, and its other end is the free end rotating for pulling described push rod; The lower end of described latch is fixedly connected on described push rod, and its upper end can move up and down and be arranged in described gear box cover; The bottom of the described gear along the circumferential direction position of corresponding described latch is provided with at least two grooves, and the upper end of described latch moves upward and can enter in described groove; Described elastic component is connected between described push rod and described head capsule.
Preferably, the free end of described push rod is provided with the kink of convenient operation.
Preferably, described push rod is provided with horizontal-extending portion, and the lower end of described latch is fixedly connected in described horizontal-extending portion.More preferably, the lower end of described latch is threaded connection in described horizontal-extending portion.
Preferably, described at least two grooves distribute and are arranged on the bottom of described gear along same even circumferential.
Preferably, described elastic component is spring.
Adopt technique scheme, in the time of the grinding wheel of dismounting angle grinding machine, only need to pull on the other hand described push rod, drive described latch to move upward and enter in the groove of described gear, thereby block its rotation of described gear limits, realized the braking to output shaft, another hand uses spanner just grinding wheel can be disassembled.Because described latch is no longer directly arranged on head capsule, but be actively located in described gear box cover, avoided like this taking of correct shell volume, reduced the size of head capsule; On the other hand, owing to adopting push-down structure, just can drive latch motion by pulling the free end of push rod, while having avoided direct control latch, sight line is subject to the defect that grinding wheel stops, the operation that makes to load and unload grinding wheel is simpler, and the leverage of push rod also makes the brake operating of gear more laborsaving.
Brief description of the drawings
Fig. 1 is the stereogram that the present invention has the angle grinding machine of push-down stop mechanism.
Fig. 2 is the generalized section that the present invention has the angle grinding machine of push-down stop mechanism.
Fig. 3 is the sectional perspective perspective view that the present invention has the angle grinding machine of push-down stop mechanism.
Fig. 4 be the present invention there is push-down stop mechanism angle grinding machine in the partial cutaway schematic of the first state.
Fig. 5 be the present invention there is push-down stop mechanism angle grinding machine in the partial cutaway schematic of the second state.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Refer to Fig. 1 to Fig. 5, the invention provides a kind of angle grinding machine with push-down stop mechanism, it comprises angle grinder body 10, head capsule 11, is loaded on the output shaft 20 on described head capsule 11, the gear 21 that drives described output shaft 20, the gear box cover 12 that is installed on described head capsule 11 bottoms, grinding wheel 30, wheel guard 40, and described push-down stop mechanism comprises push rod 50, latch 60 and spring 70.
Described push rod 50 is located at the below of described gear box cover 12, and its one end is to be rotationally connected with the rotating shaft end 51 on described angle grinder body 10 along perpendicular, and its other end is the free end 52 rotating for pulling described push rod 50.
The lower end of described latch 60 is fixedly connected on described push rod 50, and its upper end can move up and down and be arranged in described gear box cover 12; The bottom of the described gear 21 along the circumferential direction position of corresponding described latch is provided with four grooves 22, and the upper end of described latch 60 moves upward and can enter in described groove 22.Described four grooves 22 distribute and are arranged on the bottom of described gear 21 along same even circumferential.
Described spring 70 is connected between described push rod 50 and described head capsule 10.
In the present embodiment, the free end 52 of described push rod 50 is provided with the kink 53 of convenient operation; Described push rod 50 is provided with horizontal-extending portion 54, and the lower end of described latch 60 is fixedly connected in described horizontal-extending portion 54 by screw thread.
Refer to Fig. 3 and Fig. 4, the present invention has the angle grinding machine of push-down stop mechanism in the time of the first state, described push rod 50 position in unclamping under the effect of spring 70, the upper end of described latch 60 is away from the groove 22 of described gear 21, and now gear 21 can drive output shaft 20 freely to rotate.
Refer to Fig. 5, the present invention has the angle grinding machine of push-down stop mechanism in the time of the second state, while dismantling grinding wheel 30, only need pull the kink 53 of the free end 52 of described push rod 50, described push rod 50 is rotated up along described rotating shaft end 50, described latch 60 moves upward under the drive of push rod 50, the upper end of latch 60 enters in the groove 22 of described gear 21, thereby latch 60 blocks gear 21, gear 21 cannot rotate, therefore output shaft 20 is also braked, and now only need to just grinding wheel 30 can be disassembled with a spanner.Equally, when being installed, grinding wheel 30 also can adopt same mode of operation.After handling grinding wheel 30 completes, unclamp described push rod 50, push rod 50 resets under the effect of spring 70, and latch 60 exits the groove 22 of described gear 21, thereby makes gear 21 can drive output shaft 20 freely to rotate, and angle grinding machine can normally be worked.
After adopting technique scheme, make more changing jobs of grinding wheel more simple and laborsaving, and reduced the size of angle grinding machine head capsule, angle grinding machine can enter narrow space more and carry out operation.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. one kind has the angle grinding machine of push-down stop mechanism, it comprises angle grinder body, head capsule, be loaded on output shaft on described head capsule, drive described output shaft gear, be installed on the gear box cover of described head capsule bottom, it is characterized in that: described angle grinding machine has push-down stop mechanism, this push-down stop mechanism comprises push rod, latch and elastic component; Described push rod is located at the below of described gear box cover, and its one end is to be rotationally connected with the rotating shaft end on the grinder body of described angle along perpendicular, and its other end is the free end rotating for pulling described push rod; The lower end of described latch is fixedly connected on described push rod, and its upper end can move up and down and be arranged in described gear box cover; The bottom of the described gear along the circumferential direction position of corresponding described latch is respectively equipped with at least two grooves, and the upper end of described latch moves upward and can enter described in one of them in groove; Described elastic component is connected between described push rod and described head capsule.
2. the angle grinding machine with push-down stop mechanism according to claim 1, is characterized in that: the free end of described push rod is provided with the kink of convenient operation.
3. the angle grinding machine with push-down stop mechanism according to claim 1, is characterized in that: described push rod is provided with horizontal-extending portion, and the lower end of described latch is fixedly connected in described horizontal-extending portion.
4. the angle grinding machine with push-down stop mechanism according to claim 3, is characterized in that: the lower end of described latch is threaded connection in described horizontal-extending portion.
5. the angle grinding machine with push-down stop mechanism according to claim 1, is characterized in that: described at least two grooves are spaced apart and arranged in the bottom of described gear along same even circumferential.
6. the angle grinding machine with push-down stop mechanism according to claim 1, is characterized in that: described elastic component is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210532940.6A CN103862338B (en) | 2012-12-12 | 2012-12-12 | There is the angle grinding machine of push-down stop mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210532940.6A CN103862338B (en) | 2012-12-12 | 2012-12-12 | There is the angle grinding machine of push-down stop mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103862338A true CN103862338A (en) | 2014-06-18 |
| CN103862338B CN103862338B (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210532940.6A Expired - Fee Related CN103862338B (en) | 2012-12-12 | 2012-12-12 | There is the angle grinding machine of push-down stop mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103862338B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695884A (en) * | 2017-05-19 | 2018-02-16 | 佛山驰博科技有限公司 | A kind of modified sanding apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0244203A2 (en) * | 1986-04-29 | 1987-11-04 | Kango Limited | Rotary power tools |
| CN1086758A (en) * | 1992-10-07 | 1994-05-18 | 罗伯特-博希股份公司 | Eccentric disk sander |
| CN2455441Y (en) * | 2000-12-27 | 2001-10-24 | 车王电子股份有限公司 | Safety device for replacing sand wheel of hand abrader |
| DE102006031658A1 (en) * | 2006-07-08 | 2008-01-10 | Festool Gmbh | Machine tool gearbox for operating as a manual electric or pneumatic machine tool has a tool spindle driven by a driving motor and stopped by a blocking device |
| CN201239909Y (en) * | 2008-07-04 | 2009-05-20 | 广东电动工具厂有限公司 | Working head of angle grinder |
-
2012
- 2012-12-12 CN CN201210532940.6A patent/CN103862338B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0244203A2 (en) * | 1986-04-29 | 1987-11-04 | Kango Limited | Rotary power tools |
| CN1086758A (en) * | 1992-10-07 | 1994-05-18 | 罗伯特-博希股份公司 | Eccentric disk sander |
| CN2455441Y (en) * | 2000-12-27 | 2001-10-24 | 车王电子股份有限公司 | Safety device for replacing sand wheel of hand abrader |
| DE102006031658A1 (en) * | 2006-07-08 | 2008-01-10 | Festool Gmbh | Machine tool gearbox for operating as a manual electric or pneumatic machine tool has a tool spindle driven by a driving motor and stopped by a blocking device |
| CN201239909Y (en) * | 2008-07-04 | 2009-05-20 | 广东电动工具厂有限公司 | Working head of angle grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695884A (en) * | 2017-05-19 | 2018-02-16 | 佛山驰博科技有限公司 | A kind of modified sanding apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103862338B (en) | 2016-08-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170426 Address after: 215123 Jiangsu Province, Suzhou City Industrial Park East Road, No. 18 Patentee after: Technology (China) Co., Ltd. Address before: 215123 Jiangsu Province, Suzhou City Industrial Park East Road, No. 18 Patentee before: Baoshide Electric Tools Co., Ltd., Suzhou |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20191212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |