CN104175196A - Angle grinder - Google Patents
Angle grinder Download PDFInfo
- Publication number
- CN104175196A CN104175196A CN201310191048.0A CN201310191048A CN104175196A CN 104175196 A CN104175196 A CN 104175196A CN 201310191048 A CN201310191048 A CN 201310191048A CN 104175196 A CN104175196 A CN 104175196A
- Authority
- CN
- China
- Prior art keywords
- push button
- angle grinder
- motor
- electric angle
- button
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- 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. A switch mechanism of the angle grinder comprises a motor switch for controlling a motor to work, a push rod connected with the motor switch as well as a push button connected with the push rod, wherein the push button controls the opening and the closing of the motor switch by the pull rod; a limiting groove and a positioning part are arranged on the push button; the switch mechanism also comprises a reset button; the reset button is fixed in the limiting groove in a sliding manner along the direction perpendicular to the axis of an output shaft of the motor; a positioning hole for limiting the push button from moving by the positioning part for fixing the push button and a sliding hole for guiding the push button to slide along the axial direction of the output shaft of the motor are formed in the enclosure; the push button is fixed in the sliding hole in a sliding manner; a locking groove for preventing the reset button from moving along the axial direction of the output shaft of the motor is formed in the side of the sliding hole. The opening of the angle grinder is finished by two actions of sliding the reset button and pushing the push button; the requirement of safety regulation can be met; the angle grinder has the advantages of safety and reliability.
Description
Technical field
The present invention relates to a kind of power tool, particularly relate to a kind of electric angle grinder.
Background technology
When the switch open of conventional electric angle grinder, only need an action just can open.This electric angle grinder promotes forward push button in use to latched position, and push button can move by pull bar drive motor switch, thereby makes motor switch start this electric angle grinder, and electric angle grinder is started working.Because the unlatching of this electric angle grinder only needs an action, so this electric angle grinder just exists larger potential safety hazard.Staff, in the time using this electric angle grinder, may, because carelessness or misoperation etc. are former thereby touch switch starts electric angle grinder, so just likely cause damage to processing object, even staff is damaged.In order to eliminate this potential safety hazard, present safety General Requirements electric angle grinder needs two actions to open.
Summary of the invention
Based on this, be necessary to provide a kind of electric angle grinder, it needs two actions to open, and can meet safety requirement.
A kind of electric angle grinder, comprise casing, motor, transmission mechanism, working head and switching mechanism, described motor and transmission mechanism are installed in described casing, described motor drives described working head work by described transmission mechanism, described in described switching mechanism control, electric angle grinder opening and closing, described switching mechanism comprises the motor switch of controlling machine operation, the pull bar being connected with motor switch and the push button being connected with pull bar, described push button is opened and is closed by motor switch described in described pull bar control, described push button is provided with stopper slot and location division, described switching mechanism also comprises reset button, the described reset button edge direction vertical with the axis of the output shaft of motor is slidably fixed in described stopper slot, described casing is provided with guiding push button along the sliding eye of the axis direction slip of the output shaft of motor and passes through the locating hole of the location division restriction push button sliding motion of fixing push button, described push button is slidably fixed in described sliding eye, the side of described sliding eye is provided with the lock slots that stops reset button to be moved along the axis direction of the output shaft of motor, in the time that described reset button enters or exits described lock slots, described reset button restriction or the described push button axis direction along motor output shaft in sliding eye that lifts restrictions slide, in described locating hole is fixed in the location division of described push button time, described locating hole limits described push button axis direction along motor output shaft in sliding eye and slides.
Therein in an embodiment, described switching mechanism also comprises and drives reset button to the return unit sliding in lock slots, and described return unit is placed between described push button and described reset button.
In an embodiment, described reset button is provided with the accommodating hole of accommodating return unit therein, and a part for described return unit is arranged in described accommodating hole, and the end of another part is against the cell wall of the stopper slot of described push button.
In an embodiment, described accommodating hole is circular port therein.
In an embodiment, described return unit is back-moving spring therein.
In an embodiment, described reset button is provided with the clicking section that protrudes from described stopper slot therein.
In an embodiment, the locating hole on described casing is slot therein, and the location division of described push button is prism or cylinder.
In an embodiment, described push button is provided with connecting portion therein, and described connecting portion is connected with described pull bar through described sliding eye.
In an embodiment, the end of described connecting portion and described pull bar is equipped with crotch therein, and described connecting portion is connected by crotch with described pull bar.
In an embodiment, described casing is provided with the boss that the described push button of guiding moves along the axis direction of the output shaft of motor therein.
The reset button of need to first sliding when above-mentioned electric angle grinder unlatching is removed the restriction that reset button is slided to push button, then promotes push button and by locating hole, push button is fixed on casing, and like this, push button is opened motor switch by pull bar, and electric angle grinder is opened.Need to slide reset button and promote push button two actions of the unlatching of this electric angle grinder, can meet safety requirement, and this electric angle grinder has advantages of safe and reliable.
Brief description of the drawings
Fig. 1 is the electric angle grinder part-structure schematic diagram of an embodiment;
Fig. 2 is push button and the reset button structural representation of electric angle grinder shown in Fig. 1;
Fig. 3 is the casing schematic diagram of the push button position of electric angle grinder shown in Fig. 1;
Fig. 4 is push button shown in Fig. 2 and the reset button profile along C-C line;
Fig. 5 is the reset button structural representation of electric angle grinder shown in Fig. 1;
Fig. 6 is the rearview of reset button shown in Fig. 5.
Electric angle grinder 100 casing 110 motor 120 locating holes 111
Sliding eye 112 boss 113 lock slots 112a motor switch 131
Pull bar 132 push button 133 reset button 134 return units 135
Connecting portion 133a location division 133b stopper slot 133c clicking section 134a
Sticking department 134b accommodating hole 134c
Detailed description of the invention
Please refer to Fig. 1, an embodiment provides a kind of electric angle grinder 100.This electric angle grinder 100 comprises casing 110, motor 120, transmission mechanism, working head and switching mechanism.Motor 120 is installed in casing 110 with transmission mechanism, and drives working head work by transmission mechanism.The opening and closing of switching mechanism control electric angle grinder 100.Wherein, switching mechanism comprises motor switch 131, the pull bar 132 being connected with motor switch 131 and the push button 133 being connected with pull bar 132 that control motor 120 is worked.Push button 133 is controlled motor switch 131 by pull bar 132 and is opened and close.
Please refer to Fig. 2 and Fig. 3, the switching mechanism of this electric angle grinder 100 also comprises reset button 134.Push button 133 is provided with connecting portion 133a, location division 133b and stopper slot 133c.Connecting portion 133a is for being connected to drive pull bar 132 to move with pull bar 132.Location division 133b is for being fixed on casing 110 by push button 133.Stopper slot 133c is for accommodating reset button 134.The reset button 134 edge directions vertical with the axis of the output shaft of motor 120 are slidably fixed in stopper slot 133c.As shown in Figure 2, that is to say, reset button 134 can slidably reciprocate along the direction perpendicular to paper in stopper slot 133c.
The casing 110 of this electric angle grinder 100 is provided with the locating hole 111 moving by the location division 133b restriction push button 133 of fixing push button 133 and the sliding eye 112 that guides push button 133 to slide along the axis direction of the output shaft of motor 110.Push button 133 is slidably fixed in sliding eye 112, and wherein the connecting portion 133a of push button 133 is connected with pull bar 132 through sliding eye 112.Connecting portion 112 is equipped with crotch with the end of pull bar 132, and connecting portion 112 is connected by crotch with pull bar 132.The side of sliding eye 112 is provided with the lock slots 112a that stops reset button 134 to be moved along the axis direction of the output shaft of motor 110.In reset button 134 slides into lock slots 112a time, it (is forward the working head direction of pointing to this electric angle grinder 100 that reset button 134 cannot move forwards or backwards, also be one of them direction of the axis indication of the output shaft of motor 110, refer to backward opposite direction forward), in the time that travelling forward, push button 133 also can cannot move due to the restriction of reset button 134.If when reset button 134 skids off lock slots 112a, push button 133 just can be to front slide.
In this embodiment, the locating hole 111 on casing 110 is slot, and the location division 133b of push button 133 is prism or cylinder.When location division 133b is arranged in locating hole 111, push button 133 just cannot slide along sliding eye 112 again.In order to make the glide direction of push button 133 better, casing 110 is provided with the boss 113 that guiding push button 133 moves along the axis direction of the output shaft of motor 120.The quantity of boss 113 is two, slides along boss 113 with guiding push button 133 in the both sides that are arranged at push button 133.
Please refer to Fig. 4, Fig. 5 and Fig. 6, the switching mechanism of this electric angle grinder 100 also comprises and drives reset button 134 to the return unit 135 sliding in lock slots 112a.Reset button 134 is provided with the accommodating hole 134c of accommodating return unit 135, and a part for return unit 135 is arranged in accommodating hole 134c, and the end of another part is against the cell wall of the stopper slot 133c of push button 133.Accommodating hole 134c is herein circular port, and return unit 135 is back-moving spring.Due to the existence of return unit 135, reset button 134 can the interior power of sliding of oriented lock slots 112a.In the time that reset button 134 is not stirred by operator, reset button 134 is by because the effect of return unit 135 rests in lock slots 112a.If do not use return unit 135 herein, can arrange when reset button 134 is slided and there is larger frictional force, thereby prevent that reset button 134 from skidding off lock slots 112a easily.
In addition, in reset button 134, be also provided with the clicking section 134a and the sticking department 134b that protrude from stopper slot 133c.Clicking section 134a can handled easily person stirs reset button 134 and slidably reciprocates along stopper slot 133c.In the time that reset button 134 slides into lock slots 112a position along stopper slot 133c, sticking department 134b will be resisted against on the cell wall of lock slots 112a, and like this, reset button 134 will stop push button 133 to slide along sliding eye 112.
The open and close process of this electric angle grinder 100 will be introduced below.
In the time that needs are opened this electric angle grinder 100 this electric angle grinder 100 are worked, operator need to first stir reset button 134, now can be by stirring or the clicking section 134a that the slides reset button 134 of sliding, reset button 134 is slided in stopper slot 133c, thereby the elastic acting force that overcomes return unit 134 slide into another side (skidding off the lock slots 112a casing 110) from one side of stopper slot 133c; Then, operator can promote forward push button 133(and promote push button 133 to working head direction), because reset button 134 skids off in lock slots 112a, so reset button 134 cannot limit push button 133 in the interior slip of sliding eye 112 by stopper slot 133c and lock slots 112a again, when now operator drives push button 133 to move or pins reset button 134 and move with another hand propelled push button 133 with a hand by pinning reset button 134 with a hand, push button 133 will travel forward along sliding eye 112 and under the restriction of boss 113; Meanwhile, the connecting portion 133a on push button 133 travels forward drive pull bar 132, and pull bar 132 is stirred motor switch 131, and this electric angle grinder 100 is opened; Finally, operator can push the location division 133b of push button 133 in the locating hole 111 on casing 110, thereby prevents that push button 133 from sliding backward, and has so just completed the unlatching operation of this electric angle grinder 100.
Close this electric angle grinder 100 when this electric angle grinder 100 is quit work when needs, operator need to exit the location division 133b of push button 133 from locating hole 111.After location division 133b exits from locating hole 111, push button 133 is by motion backward under the drive at pull bar 132, until push button 133 moves to the initial position while unlatching, the power that pull bar 132 moves backward herein can be provided by motor switch 131, also can back-moving spring be set at pull bar 132 and drive pull bar to move backward.Then, reset button 134 can be slided under the effect of return unit 135 in lock slots 112a, and in return unit 135 slides into lock slots 112a time, the shutoff operation of this electric angle grinder 100 has just completed, and this electric angle grinder 100 has also stopped work.
Can see from the open and close process of above-mentioned this electric angle grinder 100, need to stir reset button 134 and promote 133 two actions of push button if open this electric angle grinder 100.So this electric angle grinder 100 can meet the requirement of safety, have advantages of safe and reliable.The location division 133b of push button 133 need be exited from locating hole 111 if close 100 of this electric angle grinders.So this electric angle grinder 100 also has advantages of that the time of closing is simple to operate.
The reset button of need to first sliding when this electric angle grinder unlatching is removed the restriction that reset button is slided to push button, then promotes push button and by locating hole, push button is fixed on casing.Like this, push button is opened motor switch by pull bar, and electric angle grinder is opened.Need to slide reset button and promote push button two actions of the unlatching of this electric angle grinder, can meet safety requirement, and this electric angle grinder has advantages of safe and reliable.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an electric angle grinder, comprise casing, motor, transmission mechanism, working head and switching mechanism, described motor and transmission mechanism are installed in described casing, described motor drives described working head work by described transmission mechanism, described in described switching mechanism control, electric angle grinder opening and closing, described switching mechanism comprises the motor switch of controlling machine operation, the pull bar being connected with motor switch and the push button being connected with pull bar, described push button is opened and is closed by motor switch described in described pull bar control, it is characterized in that: described push button is provided with stopper slot and location division, described switching mechanism also comprises reset button, the described reset button edge direction vertical with the axis of the output shaft of motor is slidably fixed in described stopper slot, described casing is provided with guiding push button along the sliding eye of the axis direction slip of the output shaft of motor and passes through the locating hole of the location division restriction push button sliding motion of fixing push button, described push button is slidably fixed in described sliding eye, the side of described sliding eye is provided with the lock slots that stops reset button to be moved along the axis direction of the output shaft of motor, in the time that described reset button enters or exits described lock slots, described reset button restriction or the described push button axis direction along motor output shaft in sliding eye that lifts restrictions slide, in described locating hole is fixed in the location division of described push button time, described locating hole limits described push button axis direction along motor output shaft in sliding eye and slides.
2. electric angle grinder according to claim 1, is characterized in that: described switching mechanism also comprises and drive reset button to the return unit sliding in lock slots, and described return unit is placed between described push button and described reset button.
3. electric angle grinder according to claim 2, is characterized in that: described reset button is provided with the accommodating hole of accommodating return unit, and a part for described return unit is arranged in described accommodating hole, and the end of another part is against the cell wall of the stopper slot of described push button.
4. electric angle grinder according to claim 3, is characterized in that: described accommodating hole is circular port.
5. electric angle grinder according to claim 2, is characterized in that: described return unit is back-moving spring.
6. electric angle grinder according to claim 1, is characterized in that: described reset button is provided with the clicking section that protrudes from described stopper slot.
7. electric angle grinder according to claim 1, is characterized in that: the locating hole on described casing is slot, and the location division of described push button is prism or cylinder.
8. electric angle grinder according to claim 1, is characterized in that: described push button is provided with connecting portion, and described connecting portion is connected with described pull bar through described sliding eye.
9. electric angle grinder according to claim 8, is characterized in that: the end of described connecting portion and described pull bar is equipped with crotch, and described connecting portion is connected by crotch with described pull bar.
10. according to the electric angle grinder described in arbitrary claim in claim 1 to 7, it is characterized in that: described casing is provided with the boss that the described push button of guiding moves along the axis direction of the output shaft of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191048.0A CN104175196A (en) | 2013-05-21 | 2013-05-21 | Angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191048.0A CN104175196A (en) | 2013-05-21 | 2013-05-21 | Angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104175196A true CN104175196A (en) | 2014-12-03 |
Family
ID=51956694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310191048.0A Pending CN104175196A (en) | 2013-05-21 | 2013-05-21 | Angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104175196A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3953696A (en) * | 1973-07-14 | 1976-04-27 | J. & J. Marquardt | Actuator construction having releasable lock in actuated and deactuated positions |
| GB2268428A (en) * | 1992-07-04 | 1994-01-12 | Black & Decker Inc | Orbital grinding apparatus |
| US20020100597A1 (en) * | 2000-12-15 | 2002-08-01 | Fumitoshi Numata | Battery powered tools |
| CN101402184A (en) * | 2008-11-13 | 2009-04-08 | 舒海法 | Electric angle grinder with secondary action unlocking mechanism |
| CN201244766Y (en) * | 2008-08-21 | 2009-05-27 | 郦月对 | Angle sanding machine with anti-misopening switch gear |
| CN201342609Y (en) * | 2009-02-09 | 2009-11-11 | 江苏鑫港企业有限公司 | Angular polishing machine |
| CN201601050U (en) * | 2009-12-01 | 2010-10-06 | 浙江亚特电器有限公司 | Small angle grinding reverse self-locking switch mechanism |
-
2013
- 2013-05-21 CN CN201310191048.0A patent/CN104175196A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3953696A (en) * | 1973-07-14 | 1976-04-27 | J. & J. Marquardt | Actuator construction having releasable lock in actuated and deactuated positions |
| GB2268428A (en) * | 1992-07-04 | 1994-01-12 | Black & Decker Inc | Orbital grinding apparatus |
| US20020100597A1 (en) * | 2000-12-15 | 2002-08-01 | Fumitoshi Numata | Battery powered tools |
| CN201244766Y (en) * | 2008-08-21 | 2009-05-27 | 郦月对 | Angle sanding machine with anti-misopening switch gear |
| CN101402184A (en) * | 2008-11-13 | 2009-04-08 | 舒海法 | Electric angle grinder with secondary action unlocking mechanism |
| CN201342609Y (en) * | 2009-02-09 | 2009-11-11 | 江苏鑫港企业有限公司 | Angular polishing machine |
| CN201601050U (en) * | 2009-12-01 | 2010-10-06 | 浙江亚特电器有限公司 | Small angle grinding reverse self-locking switch mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141203 |
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| RJ01 | Rejection of invention patent application after publication |