CN104191375A - Alternating-current electric grinding machine - Google Patents
Alternating-current electric grinding machine Download PDFInfo
- Publication number
- CN104191375A CN104191375A CN201410381699.0A CN201410381699A CN104191375A CN 104191375 A CN104191375 A CN 104191375A CN 201410381699 A CN201410381699 A CN 201410381699A CN 104191375 A CN104191375 A CN 104191375A
- Authority
- CN
- China
- Prior art keywords
- grinding machine
- housing
- button
- switch
- alternating current
- 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.)
- Granted
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
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses an alternating-current electric grinding machine, and belongs to the field of electric tools. The alternating-current electric grinding machine comprises a shell, a motor and a switch, wherein the motor is arranged inside the shell and comprises a rotor, a stator and a speed adjusting circuit board, and the switch is arranged on the shell. The switch is of a secondary switch structure and comprises a toggle button, a spring and a movable button. When the electric grinding machine is switched on, the toggle button needs to be pressed down firstly, then the toggle button is pushed, and therefore the electric grinding machine can be switched. The circuit board inside the shell of the electric grinding machine is perpendicular to the axis of the shell, and the internal structure of the shell is orderly and compact. According to the alternating-current electric grinding machine, a power line of the electric grinding machine is of a protective cover and power line integrated structure, and the structure of the electric grinding machine is more compact.
Description
technical field:
The present invention relates to a kind of alternating current grinding machine, belong to field of power tools.
background technology:
The most ship type switches that adopt of switch of electrical grinding machine, for safety, generally sunk in housing, this strengthens the size of housing, even if this design, because ship type switch is a kind of switch of moving seesaw-type, as touched because of carelessness, can be easy to close a switch, electric mill axle is rotated, this makes existing electrical grinding machine have hidden danger.For example, operating personnel change grinding tool in the situation that of not power-off, or are shelved on one side, if touch unintentionally ship type switch, will start electrical grinding machine, cause human injury.
In addition, the wiring board of existing electrical grinding machine is all often that the axis that is parallel to electrical grinding machine is placed in the inner chamber of electrical grinding machine housing, this set makes the volume of corresponding housing large on the one hand, the installation that is not easy on the other hand wiring board is fixed, nut seat need to be set, with at least two screws, fixed, also affected the setting in air channel simultaneously, make radiating effect bad.
Also have; the plug electric wire of existing electrical grinding machine and the protective sleeve on plug electric wire divide and are arranged; need in electrical grinding machine housing, increase the fixedly tension disc of protective sleeve like this, the internal structure relative complex that this had both made electrical grinding machine housing, makes again the installation relative complex of electrical grinding machine.
summary of the invention:
The present invention provides a kind of alternating current grinding machine in order to overcome the deficiencies in the prior art, make the use of electrical grinding machine safer, convenient, structure is more compact.
The technical solution used in the present invention has:
An alternating current grinding machine, comprises housing, is arranged on the motor that comprises rotor, stator, speed governing wiring board in housing, and is arranged on the switch on housing, and described switch comprises stirs button, spring and active button; Active button is rotatable and be slidably arranged on housing and front end is provided with spacing clamp, is provided with the locating slot suitable with described spacing clamp on the housing of corresponding active button front end one side; Stir button and be arranged on the below of active button, stir on the power circuit that button is arranged on described speed governing wiring board, and can on " opening ", " closing " two position of the switch, slide; Described active button with stir button and be connected by spring, while stirring the position of the switch of button in " opening ", the locating slot of described spacing clamp and front end has spacing and in locating slot top; Active button downwards and to front slide, promotes toggle switch to " closing " position of the switch of front side, until spacing clamp is plugged in described locating slot by spring.
Further, housing comprises upper half-shell and housing lower half, and described locating slot is symmetricly set on respectively on the inner wall of upper half-shell and housing lower half rear end, and is symmetrical arranged guide chute on the upper half-shell of locating slot rear side and housing lower half inwall.
Further, the symmetrical both sides of active button are respectively equipped with ships and resell on another market, and each is shipped and resell on another market and is placed in respectively the guide chute on upper half-shell or housing lower half inner wall, and active button is by shipping and reselling on another market rotatable and being slidably arranged on housing.
Further, the lower end of active button is provided with projection, is formed for the Access Division of clamping spring.
Further, locating slot upside and be positioned on housing inner wall and be provided with spacing stop hook, limit described active button at the height and position place higher than locating slot to front slide.
Further, speed governing wiring board is arranged in housing perpendicular to the axis of housing.
Further, be provided with the slot vertical with described housing axis in housing, described speed governing wiring board is plugged in described slot.
Further, along described inner walls, leave assemblage gap, formed air channel.
Further; this electrical grinding machine also comprises power wire combination; described power wire combination comprises power line; the plug being connected with power line; and be arranged on the protective sleeve on power line, and described protective sleeve is provided with annular slot, and annular slot one side is provided with to prevent the compressing tablet of wire rotating; described compressing tablet arc surface and spline plane form, and the terminals of described power line are connected with the power circuit of described speed governing wiring board.
Further, power line, protective sleeve and compressing tablet are structure as a whole.
The present invention has following beneficial effect:
(1) switch of electrical grinding machine of the present invention adopts secondary construction of switch, effectively reduces the wrong potential safety hazard that starts electrical grinding machine switch due to user of service's carelessness, makes the use of electrical grinding machine more safely with convenient.
(2) inwall of electrical grinding machine housing of the present invention is provided with the slot of speed governing wiring board, and circuit can be provided with perpendicular to the axis of electrical grinding machine housing in electrical grinding machine housing, makes the structure of electrical grinding machine more compact.
(3) electrical grinding machine power line of the present invention adopts protective sleeve and plug electric wire monolithic construction, has saved protective sleeve, tension disc, has complied with electrical grinding machine compact overall structure.
accompanying drawing explanation:
Fig. 1 is the structure chart of alternating current grinding machine of the present invention.
Fig. 2 is another structure chart of alternating current grinding machine of the present invention.
Fig. 3 is the internal slots figure of the housing of alternating current grinding machine of the present invention.
Fig. 4 is the switch junctions composition of alternating current grinding machine of the present invention.
Fig. 5 is the structure chart of the shift knob of alternating current grinding machine of the present invention.
Fig. 6 is another structure chart of the shift knob of alternating current grinding machine of the present invention.
Fig. 7 is the structure chart of the switch groove of alternating current grinding machine of the present invention.
Fig. 8 is the structure chart of the power line of alternating current grinding machine of the present invention.
Fig. 9 is the side view of the power line compressing tablet of alternating current grinding machine of the present invention.
Figure 10 is that the power line of alternating current grinding machine of the present invention is installed cutaway view.
Wherein
1, housing; 2, switch; 3, speed governing wiring board; 4, bearing; 5, rotor; 6, stator; 7, power line; 8, chuck cap; 9, protective sleeve; 10, carbon brush; 11, cross air channel; 12, slot; 13, compressing tablet; 14, axle lock; 15, axle lock spring; 16, speed governing knob; 17, turncap; 18, carry climbing; 101, guide chute; 102, spacing stop hook; 103, locating slot; 104, switch groove; 105, stir button mounting groove; 201, active button; 202, spring; 203, stir button; 2010, ship and resell on another market; 2011, spacing clamp; 2012, Access Division; 901, annular slot; 131, spline plane; 132, electric wire installing hole; 133, electric wire slot; 134, arc surface; 1331, the first slot; 1332, the second slot.
the specific embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Please refer to Fig. 1 to Figure 10, alternating current grinding machine of the present invention, has a housing 1, and housing 1 comprises merging and is installed as integrally-built upper half-shell and a housing lower half.Housing 1 inside is provided with the motor of stator 6, rotor 5 and speed governing wiring board 3, and rotor 5 rotates and is arranged in stator 6; The rotating shaft of rotor 5 front ends is stretched out by the front end of housing 1, and on external part, spins for the chuck cap 8 of FIxed abrasive article; The rotating shaft of rotor 5 is bearing on housing by two bearings 4.The symmetrical both sides of axis of rotor 5 rotating shafts are provided with carbon brush 10.One side of housing 1 arranges power wire combination, power wire combination comprises power line 7, the plug being connected with power line 7, the terminals of power line 7 are connected with the corresponding end on speed governing wiring board 3, housing 1 opposite side is provided with turncap 17, and turncap 17 is positioned at the merging installation site of upper half-shell and housing lower half.On housing 1, be also provided with carry climbing 18 and speed governing knob 16, the terminals of speed governing knob 16 are connected with the corresponding end of speed governing wiring board 3.In the merging installation site of upper shell and lower house, be provided with switch 2 and axle lock mounting groove; Axle lock 14 is arranged in axle lock mounting groove, is provided with an axle lock spring 15 on axle lock 14, is provided with and axle lock 14 keyways that match in the rotating shaft of rotor 5; In the time need to required operating head being installed on chuck cap 8, press lower shaft lock 14, now in axle lock 14 keyways that are stuck on rotor 5, so just can prevent the rotation of rotor 5 when changing operating head, when installing operating head, unclamp axle lock 14, under the effect of axle lock spring 15, axle lock 14 revert to original position.
Please refer to Fig. 1, Fig. 4 and Fig. 5, in order to have reduced operating personnel's the carelessness due to work, mistake starts the potential safety hazard causing of electrical grinding machine switch, and the present invention adopts secondary construction of switch, makes the use of electrical grinding machine more safely with convenient.Switch 2 of the present invention comprises stirs button 203, spring 202 and active button 201; Active button 201 is rotatable and be slidably arranged on housing 1; The front end of active button 201 is provided with spacing clamp 2011, and the corresponding both sides of active button 201 are provided with ships and resell on another market 2010, and the lower surface of active button 201 is provided with an Access Division 2012.On the inner wall of upper half-shell and housing lower half rear end and be positioned at the locating slot 103 suitable with spacing clamp 2011 that be provided with of active button 201 front end one sides, the top of locating slot 103 is provided with spacing stop hook 102; The inwall of housing 1 and the below that is positioned at active button 201 are provided with stirs button 203, and one end of spring 202 is connected to the Access Division 2012 of active button 201 lower surfaces, and the other end is connected with the poke rod of stirring button 203; Stirring button 203 can slide on " opening ", " closing " two position of the switch, and the line scan pickup coil side of stirring button 203 is connected with the corresponding end of speed governing wiring board 3.
When stirring button 203 and be in the position of " opening ", the upside of the spacing clamp 2011 of active button 201 front ends in locating slot 103, and spacing clamp 2011 has spacing with the locating slot 103 of front end; When stirring button 203 and being in the position of " closing ", the spacing clamp 2011 of active button 201 front ends is plugged in locating slot 103.For manufacture and use that can portable propelling button 201, by active button 201 ship and resell on another market 2010, spacing clamp 2011 and Access Division 2012 be designed to integrative-structure.
Please refer to Fig. 3 and Fig. 7, for the better installation of Convenient switch 2, thereby better realize secondary construction of switch of the present invention, in housing 1, be provided with several convenient grooves that switch 2 is installed.Merging installation site at upper shell and lower house is provided with switch groove 104, below switch groove 104 and be positioned at upper half-shell and housing lower half and merge the symmetric position of installing and be provided with a pair of guide chute 101, guide chute 101 be separately positioned on upper shell and lower house madial wall on and be symmetrical in the hookup wire of housing 1, active button 201 is by 2010 rotatable and being arranged on housing 1 of sliding of shipping and reselling on another market.Below switch groove 104 and be positioned on the inwall of housing 1, be also provided with for install stir button 203 stir button mounting groove 105.
When needs are opened electrical grinding machine, the first step: press active button 201, now the spacing clamp 2011 of button 201 front ends contacts with locating slot 103; If do not press active button 201, directly promote active button 201, now spacing stop hook 102 is inconsistent with spacing clamp 2011, thus restraint button 201 at the height and position higher than locating slot 103 to front slide.Second step: promote active button 201, spacing clamp 2011 is moved along locating slot 103, and when promotion active button 201 moves, active button 201 drives springs 202, spring 202 drives stirs the driving lever on button 203, and will stir button 203 and open.When needs are closed electrical grinding machine, only active button 201 need to be pushed back to original position.Because the present invention adopts secondary construction of switch mechanism, operator is when opening electrical grinding machine, only have first switch 2 is pressed, then at pull switch 2, just can open electrical grinding machine, effectively reduce the wrong potential safety hazard that starts electrical grinding machine switch due to user of service's carelessness, make the use of electrical grinding machine more safely with convenient.
Please refer to Fig. 1 and Fig. 3, for electrical grinding machine makes electrical grinding machine more microminiaturized, make the structure of electrical grinding machine more compact, speed governing wiring board 3 is arranged in housing 1 perpendicular to housing 1 axis, so be provided for placing the slot 12 of speed governing wiring board 3 at housing 1.When electrical grinding machine is worked, in order better to reach the radiating effect of electrical grinding machine, at the inwall of housing 1, leave assemblage gap, formed air channel 11, cross the assemblage gap place that air channel 11 is positioned at housing 1 and speed governing wiring board 3, stator 6 and rotor 5.The ventilating duct that the surrounding of the installation site of carbon brush 10 is also provided with air channel 11 connects excessively, and the installation site of switch 2 did not affect the air inlet in air channel 11.
Please refer to Fig. 1, Fig. 3, Fig. 8, Fig. 9 and Figure 10, in using the process of electrical grinding machine, the place that power line 7 contacts with electrical grinding machine, be easy to due to long-term friction and pull wearing and tearing and the situation about rupturing of causing, so usually protective sleeve 9 is set on the power line 7 with plug, on protective sleeve 9 of the present invention, be provided with annular slot 901, a side at annular slot 901 is provided with compressing tablet 13, compressing tablet 13 comprises that arc surface 134 and spline plane 131 form, spline plane 131 on compressing tablet 13 is in order to prevent power line 7 rotations, in order to allow the structure of electrical grinding machine more compact, power line 7, protective sleeve 9 and compressing tablet 13 adopt integrative-structure.The present invention is in order to make power line 7 can better be arranged in electrical grinding machine housing 1; so be provided with electric wire installing hole 132 and electric wire slot 133 that protective sleeve 9 is installed in electrical grinding machine upper half-shell and housing lower half; electric wire slot 133 comprises having the first slot 1331 of semicircle cambered surface and the second slot 1332 being combined to form by semicircle cambered surface peace face; in the first slot 1331 upper half-shell, the second slot 1322 is arranged on housing lower half.Annular slot 901 matches with electric wire installing hole 132, and the arc surface 134 on compressing tablet 13 and the first slot 1331 match, and the spline plane 131 on compressing tablet 13 and the second slot 1322 match.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (10)
1. an alternating current grinding machine, comprise housing (1), be arranged on the motor that comprises rotor (5), stator (6), speed governing wiring board (3) in housing (1), and be arranged on the switch (2) on housing (1), it is characterized in that: described switch (2) comprises stirs button (203), spring (202) and active button (201); Active button (201) is rotatable and be slidably arranged in the upper and front end of housing (1) and be provided with spacing clamp (2011), is provided with the locating slot (103) suitable with described spacing clamp (2011) on the housing (1) of corresponding active button (201) front end one side; Stir button and be arranged on the below of active button (201), stir on the power circuit that button (203) is arranged on described speed governing wiring board (3), and can on " opening ", " closing " two position of the switch, slide; Described active button (201) with stir button (203) and be connected by spring (202), while stirring the position of the switch of button (203) in " opening ", the locating slot (103) of described spacing clamp (2011) and front end has spacing and in locating slot (103) top; Active button (201) downwards and to front slide, promotes toggle switch (203) to " closing " position of the switch of front side, until spacing clamp (2011) is plugged in described locating slot (103) by spring (202).
2. alternating current grinding machine as claimed in claim 1, it is characterized in that: described housing (1) comprises upper half-shell and housing lower half, described locating slot (103) is symmetricly set on respectively on the inner wall of upper half-shell and housing lower half rear end, and is symmetrical arranged guide chute (101) on the upper half-shell of locating slot (103) rear side and housing lower half inwall.
3. alternating current grinding machine as claimed in claim 1, it is characterized in that: the symmetrical both sides of described active button (201) are respectively equipped with ship and resell on another market (2010), each ship and resell on another market (2010) are placed in respectively the guide chute (101) on upper half-shell or housing lower half inner wall, and active button (201) is by shipping and reselling on another market (2010) rotatably and being slidably arranged on housing (1).
4. alternating current grinding machine as claimed in claim 1, is characterized in that: the lower end of described active button (201) is provided with projection, is formed for the Access Division (2012) of clamping spring (202).
5. the alternating current grinding machine as described in claim 1,2 or 3, it is characterized in that: described locating slot (103) upside and be positioned on housing (1) inner wall and be provided with spacing stop hook (102), limit described active button (201) at the height and position place higher than locating slot (103) to front slide.
6. the alternating current grinding machine as described in claim 1, is characterized in that: described speed governing wiring board (3) is arranged in housing (1) perpendicular to the axis of housing (1).
7. the alternating current grinding machine as described in claim 5, is characterized in that: in described housing (1), be provided with the slot (12) vertical with described housing (1) axis, described speed governing wiring board (3) is plugged in described slot (12).
8. alternating current grinding machine as claimed in claim 1, is characterized in that: along described housing (1) inwall, leave assemblage gap, formed air channel (11).
9. alternating current grinding machine as claimed in claim 1, it is characterized in that: this electrical grinding machine also comprises power wire combination, described power wire combination comprises power line (7), the plug being connected with power line (7), and be arranged on the protective sleeve (9) on power line (7), described protective sleeve (9) is provided with annular slot (901), annular slot (901) one sides are provided with to prevent the compressing tablet (13) of wire rotating, described compressing tablet (13) is comprised of arc surface (134) and spline plane (131), the terminals of described power line (7) are connected with the power circuit of described speed governing wiring board (3).
10. alternating current grinding machine as claimed in claim 9, is characterized in that: described power line (7), protective sleeve (9) and compressing tablet (13) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381699.0A CN104191375B (en) | 2014-08-06 | 2014-08-06 | Alternating current grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381699.0A CN104191375B (en) | 2014-08-06 | 2014-08-06 | Alternating current grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191375A true CN104191375A (en) | 2014-12-10 |
| CN104191375B CN104191375B (en) | 2016-05-25 |
Family
ID=52076822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410381699.0A Active CN104191375B (en) | 2014-08-06 | 2014-08-06 | Alternating current grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104191375B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872951A (en) * | 1973-11-06 | 1975-03-25 | Black & Decker Mfg Co | Spindle locking mechanism for rotary power device |
| JPH01210255A (en) * | 1988-02-19 | 1989-08-23 | Hitachi Ltd | Air grinder |
| CN2074697U (en) * | 1989-10-30 | 1991-04-10 | 宋文广 | Hand polishing machine with load indicator |
| CN201237982Y (en) * | 2008-06-26 | 2009-05-13 | 姜卫亮 | Switch of angle grinder |
| CN201590351U (en) * | 2009-12-10 | 2010-09-22 | 浙江皇冠电动工具制造有限公司 | Switch structure of electric power tool |
-
2014
- 2014-08-06 CN CN201410381699.0A patent/CN104191375B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872951A (en) * | 1973-11-06 | 1975-03-25 | Black & Decker Mfg Co | Spindle locking mechanism for rotary power device |
| JPH01210255A (en) * | 1988-02-19 | 1989-08-23 | Hitachi Ltd | Air grinder |
| CN2074697U (en) * | 1989-10-30 | 1991-04-10 | 宋文广 | Hand polishing machine with load indicator |
| CN201237982Y (en) * | 2008-06-26 | 2009-05-13 | 姜卫亮 | Switch of angle grinder |
| CN201590351U (en) * | 2009-12-10 | 2010-09-22 | 浙江皇冠电动工具制造有限公司 | Switch structure of electric power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191375B (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11757293B2 (en) | Battery pack, and electric appliance using battery pack | |
| US9011165B2 (en) | Power adapter | |
| CN205911495U (en) | Convenient to use wall socket | |
| CN106057600A (en) | Reclosing apparatus of circuit breaker | |
| CN203631438U (en) | Auxiliary contact head with shunt release | |
| GB965734A (en) | Cordless electric hedge trimmer assembly | |
| CN204123272U (en) | Alternating current grinding machine | |
| CN205911511U (en) | Wall socket that can remotely use | |
| CN209282281U (en) | A kind of Quick Release antidetonation shell of industrial battery | |
| CN104191375B (en) | Alternating current grinding machine | |
| CN203645077U (en) | Motor-driven data line and earphone cord take-up device | |
| CN203134602U (en) | Dual-power-supply automatic change-over switch | |
| US3333825A (en) | Mixer | |
| CN208463831U (en) | A noise control cover and cooking machine for cooking machine | |
| CN206200699U (en) | Electrical grinding machine | |
| CN109198868A (en) | Electric revolving top on dinner table | |
| CN204204686U (en) | Mains switch on electrical grinding machine | |
| CN204277710U (en) | The housing of electrical grinding machine | |
| CN206135640U (en) | But regulation rotational speed's multi -function motor | |
| CN207012123U (en) | A kind of mixer | |
| CN204927208U (en) | Moulded case circuit breaker operating device installation improvement structure | |
| CN104191337B (en) | Shell of electric grinder | |
| CN205900920U (en) | Socket with sliding closure | |
| CN211127440U (en) | Mobile control electronic box of rewinding machine | |
| CN217354857U (en) | Fan that security performance is high |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170315 Address after: 225700 Xinghua Economic Development Zone, Jiangsu, China, No. four, No. Patentee after: XINGHUA ZHONGXING ELECTRIC APPLIANCE MANUFACTURING CO., LTD. Address before: 225700 Xinghua City, Jiangsu Province Economic Development Zone, East Road, home, home, No. Patentee before: XINGHUA ZHONGXING POWER TOOLS CO., LTD. |