CN1902030A - Electric tool with dually controllable switch - Google Patents
Electric tool with dually controllable switch Download PDFInfo
- Publication number
- CN1902030A CN1902030A CNA200480039598XA CN200480039598A CN1902030A CN 1902030 A CN1902030 A CN 1902030A CN A200480039598X A CNA200480039598X A CN A200480039598XA CN 200480039598 A CN200480039598 A CN 200480039598A CN 1902030 A CN1902030 A CN 1902030A
- Authority
- CN
- China
- Prior art keywords
- switching mechanism
- switch module
- switch
- hand
- control element
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000010586 diagram Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Switches With Compound Operations (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a switch assembly for electric tools, comprising at least a first switch mechanism (29) provided with at least a first (30) and a second manually operable control member (30, 36, 37) for at least switching on and off the first switch mechanism (29), and provided with a locking means (33, 35) which is adapted to lock the first switch mechanism (29) in a switched-on mode, wherein the switched-on mode can be deactivated with the first and the second control member (36, 37).
Description
Technical field
The present invention relates to a kind of switch module that is used for electric tool, comprise at least one first switching mechanism, described first switching mechanism has the first and second manually operated control elements that are used for described first switching mechanism at least.
Background technology
For example from US 2,263,136 and EP 1 125 698 in can recognize this switch module that is used for instrument.United States Patent (USP) shows a kind of instrument with dual control element.Described control element is connected on the switching mechanism mechanically.A kind of switch adopts first control element that is arranged on the instrument fixed body to operate in EP 1 125 698.Second control element is arranged on the independent handle that can link to each other with instrument.When being connected handle on the instrument, first switching mechanism also can obtain operation by second control element.
Summary of the invention
But have been found that need provide a kind of can be from operated, the further improved switch module of the diverse location on the electric tool.According to first aspect, the purpose that realize is to improve operation.According to second aspect, its objective is the raising security.
The present invention has satisfied following requirement, promptly can utilize first and second elements to interrupt the connection pattern.Therefore the circuit that places the connection pattern is provided, but can utilizes two control elements to interrupt this pattern.Therefore the security that has improved the machine of using described circuit.
According on the other hand, switch module comprises the releasing device that is optionally formed by locking device, and to discharge first switching mechanism from the connection pattern, described mechanism can obtain operation by first and second control elements at least.
Because these schemes of employing can be utilized two different control element console switch mechanisms, described control element can be arranged on the diverse location of instrument.
In this case, it should be noted that first and second control elements can be locked on the position of first switching mechanism connection.
When first and second control elements all are arranged on the same parts that mechanically are connected on first switch module, formed embodiment cheap on a kind of structure.
When described parts were supported with slippage on it is vertical, said structure was further simplified.
The slippage of replacement in above application can also make control element carry out different actions, for example tilts to move.Certainly depend on the relative position of the operated action form of switch, control element and switch and the ergonomics consideration of switching manipulation in this selection of doing.
Can realize having a kind of like this switch module of two independent switches on principle, each switch can be operated by they control elements separately.The invention provides following scheme in this case: switch module comprises second switch mechanism, and second control element is suitable for operating second switch mechanism, and first and second switching mechanisms are electrically connected mutually.
In a single day switching mechanism can be by having placed on-position just will keep this state to constitute until the mechanism that actively is returned their initial positions at this, however, described switch can be made of the switch that only is in the connection pattern when pressure remains on the control element equally.
Dissimilar switches needs multi-form circuit.But can also make first switching mechanism by electric operating, and each of first and second control elements all constitute by being used to make first switching mechanism carry out electrically operated button.First switching mechanism has been realized relay function at this.
As mentioned above, two switching mechanisms all are configured to realize on.At least one can realize regulatory function in the switch block in some instruments, makes that the rotating speed of instrument and/or torque can be controlled, and this is very attractive.
These parts only have needs to be configured like this at this, and another switch block can keep its on.
Mentioned a kind of embodiment that comprises two or more switching mechanisms in the above-described embodiment.But it is more cheap adopting single switch mechanism.The present invention is for realizing that this purpose proposes following scheme, and first switching mechanism is operated mechanically and first and second control elements all are connected on first switching mechanism mechanically.
The present invention not only relates to a kind of according to switch module of the present invention, and relates to a kind of electric tool with this switch module.
It should be noted that then the residing parts of operated switch are parallel to the hand-operated tools housing wall and extend.
Realizing in the following cases according to one of dual gauge tap of the present invention concrete the application, promptly be suitable for that at least the first and second mutual different positions with hand are held and the position of control element is chosen to be and can operates and need not to grip from moving tool up under the situation of hand on each position of gripping hand (holding hand) at described instrument.
Using more specifically for one is to be suitable for gripping in the primary importance of hand at described instrument can be only obtaining by gripping that hand be operated and gripping under the situation that the second place of hand is held by two hands.
Advantage of the present invention is especially obvious when described instrument is made of the right angle grinder.
Description of drawings
The present invention will be described hereinafter with reference to accompanying drawing, wherein:
Fig. 1 is the circuit diagram of first embodiment;
Fig. 2 is the circuit diagram of second embodiment, wherein replaces two switches and three switches are set;
Fig. 3 is the circuit diagram of the 3rd embodiment;
Fig. 4 is the schematic cross sectional views of the structure of four embodiment of the invention;
Fig. 5 is the cutaway view of right angle grinder, is applied in wherein according to the switch module of four embodiment of the invention;
Fig. 6 is the detailed view of the primary importance of switch element shown in Figure 5;
Fig. 7 is and the corresponding view that is in the second place shown in Figure 6; And
Fig. 8 is the cutaway view of the 5th embodiment.
The specific embodiment
As described in preamble, can switch the motor in the instrument of being arranged in by two switches, described two switches are arranged on the diverse location of tool housing naturally.Fig. 1-3 has shown wherein not in conjunction with embodiments of the present invention, but the present invention can be applied in wherein.
Circuit shown in Figure 1 comprises two- way switch 1,2 and motor 3.Switch 1,2 and motor 3 are connected in series.Operate any one switch and can be switched on or switched off motor.
This structure can also be applied to three switches as other structure of the present invention.Figure 2 illustrates sort circuit.In two two- way switch 1,2, increase bipolar two-way switch 4 at this.Here also can operate any one switch connection or disconnect motor 3.
Fig. 3 represents a kind of circuit, and wherein motor 3 is connected in series with the contact 5 of engage relay 6.Relay 6 is operated by two parallel connected buttons 7,8.It is evident that and to adopt a plurality of buttons to replace two buttons.
On the one hand, the obvious difference of the circuit among the circuit among Fig. 1 and 2 and Fig. 3 on the other hand is that circuit among Fig. 3 only utilizes a switch (relay 5,6) that is suitable for changing actual motor current.Button 7,8 plays the effect of control element at this.
As shown in Figure 3, can also utilize the mechanically actuated of single switch to replace electric control element 7,8.Figure 4 illustrates this structure.
Utilize single switch 10 once more at this, it can be operated by bar 11.Bar 11 is connected on the sliding members 12, and sliding members 12 is pressed towards the left side by spring 13, and switch 10 is disconnected usually always thus.By with the spring pressure of spring 13 pull switch parts 12 to the right on the contrary, bar 11 moves to its connection pattern with switch 10.
Sliding members has hook 14 on right-hand side, and it is pivotally connected on sliding members and can be colluded in projection 15 back of a part that forms switch case 16 and hold.Sliding members 12 can be locked in right-hand lay thus.Hook 14 is parts of locking device.
Another advantage of this structure is the pattern that can see switch.In addition, when first switch was in open position, second switch also always showed Disconnected mode.Therefore can not cause and anyly obscure.
In order to realize throwing off, utilize control element 17 with respect to projection 15 release hooks 14, make sliding members 12 can move to the left side once more.For hook 14 is thrown off from other operating position, control element 17 can be connected on second control element 18 by bar 19.
By being moved to the right side, sliding members 12 produces direct control at this from two operating positions.Described instrument is disconnected/throws off, and has nothing to do and trigger latched position with control element.
The disengagement of hook 14 is directly undertaken by control element 18 indirectly by control element 17 and via bar 19.
Fig. 5 has shown right angle grinder 20, and wherein motor 21 is arranged to be installed on the axle 22, and axle 22 is installed in the housing 24 of right angle grinder 20 by bearing 23.Axle 22 has bevel gear 25 at the one end, and it engages with second bevel gear 26 on being fixed on axle 27, and emery wheel is connected on spools 27.Axle 27 is installed in the housing 24 by bearing 28.
In Fig. 6 and 7, clearly show that its structure.Be operated on the direction of switch 29 by the arrow 32 of slip control element 30 in Fig. 6.Two arrows 32 are also indicated control element 30 operated positions.
Switch element has the hook 33 that tiltable is installed at its front end, and it can collude and hold around being fixed on projection 34 on the housing 24.Extension spring 35 is stretched between hook 33 and the housing 24 so that hook 33 is pressed on latched position.
Consequently, when control element 30 moved to from the right side farthest position in figure shown in Figure 7, control element 30 was locked in this position, was switched on and instrument is activated in this position switch mechanism 29.
In order to realize throwing off, utilize respectively to be arranged on the control element 30 and each releasing parts 36,37 that all is in tilted layout with respect to control element 30.
When being depressed on the direction of arrow 39 with the integrally formed releasing parts 37 of hook 33, hook 33 is thrown off, and makes control element get back to its initial position.Therefore formed direct control at this to Lock Part.
On the contrary, when releasing parts 36 is depressed on the direction of arrow 39, wherein relevantly moves through bar 38 and transmitted, then produce indirect operation.
Because these schemes can switch on and off switch 29 at two diverse locations.This is extremely important in this application, because described grinder can be held by two kinds of different modes.In the first gripping mode, only utilize hand to grip grinder, wherein adopt in Fig. 6 and 7 position away from the right side.Can also utilize two hands to grip grinder, wherein a hand is placed on and makes that it can be on the position of operation control element on the position farthest, left side.
Fig. 8 represents the operated hand-operated tools cutaway view from the both sides of housing.Therefore described instrument can be used by the right hand and left hand user.
Described instrument comprises housing 45, and switch 41 is arranged in wherein.T shape bar 42 is installed on the switch, and described switch utilizes T shape bar 42 to be operated.Described for this reason bar comprises two corresponding far-ends 43,44, and each far-end is passed in the opening of arranging on the housing 45 46,47 respectively and stretches out.Adopt described far-end 43,44, be operated between the on-position of open position that switch can be in the drawings draws with solid line and the switch 41 that draws with dotted line.Obtain a kind of embodiment that can be used by left hand and right hand user thus, it utilizes the different structure of switch module.
Will be appreciated that, can to shown in structure make various variations, for example it is applied on the different instruments.
Claims (16)
1. switch module that is used for electric tool, it comprises first switching mechanism at least, described first switching mechanism has at least the first and second can manually operated control element, described control element is used to switch on and off described first switching mechanism at least, described first switching mechanism has the locking device that is suitable for first switching mechanism is locked in the connection pattern, it is characterized in that, can utilize first and second control elements to interrupt described connection pattern.
2. switch module as claimed in claim 1 is characterized in that, in order to trigger or to interrupt described connection pattern, can utilize first and second control elements to operate described locking device.
3. switch module as claimed in claim 1 or 2 is characterized in that, described first and second control elements all are disposed on the same body.
4. switch module as claimed in claim 3 is characterized in that, described body is supported with slippage on it is vertical.
5. as claim 3 or 4 described switch modules, it is characterized in that described body is connected on first switching mechanism mechanically.
6. as any described switch module among the claim 1-5, it is characterized in that described first and second control elements all are locked on the position that first switching mechanism is switched on.
7. as any described switch module among the claim 1-6, it is characterized in that described switch module comprises second switch mechanism, second control element is suitable for operating second switch mechanism, and first and second switching mechanisms are electrically connected mutually.
8. as any described switch module among the claim 1-7, it is characterized in that described first switching mechanism can pass through electric operating, and first and second control elements each all by being used to that the electrically operated button of first switching mechanism is constituted.
9. as any described switch module among the claim 1-8, it is characterized in that described first switching mechanism can be operated mechanically, and first and second control elements can be connected mechanically on first switching mechanism all.
10. as any described switch module among the claim 1-7, it is characterized in that only having the control element can be locked.
11. an electric tool is characterized in that, it comprises any described switch module in the aforementioned claim.
12. electric tool as claimed in claim 11 is characterized in that, the housing wall that described body is parallel to hand-operated tools extends.
13. as claim 11 or 12 described electric tools, it is characterized in that, described instrument is suitable for utilizing at least the first and second diverse locations of hand to be held, and the position of control element is chosen to be the hand that can operate and need not to grip from moving tool up on each position of the hand that grips.
14. electric tool as claimed in claim 13 is characterized in that, described electric tool is made of hand-operated tools.
15. electric tool as claimed in claim 14 is characterized in that, described instrument only is suitable for by the hand operated that grips on the primary importance that is in the hand that grips, and grips by two hands on the second place of the hand that grips.
16. electric tool as claimed in claim 15 is characterized in that, described instrument is made of the right angle grinder.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1025144 | 2003-12-30 | ||
NL1025144A NL1025144C2 (en) | 2003-12-30 | 2003-12-30 | Power tool with double-control switch. |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1902030A true CN1902030A (en) | 2007-01-24 |
CN100484724C CN100484724C (en) | 2009-05-06 |
Family
ID=34738086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200480039598XA Expired - Fee Related CN100484724C (en) | 2003-12-30 | 2004-12-30 | Electric tool with dually controllable switch |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1699601B1 (en) |
CN (1) | CN100484724C (en) |
DE (1) | DE602004013191T2 (en) |
NL (1) | NL1025144C2 (en) |
RU (1) | RU2360318C2 (en) |
WO (1) | WO2005063451A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104551224A (en) * | 2013-10-29 | 2015-04-29 | 罗伯特·博世有限公司 | Mains-operated portable power tool |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004047795A1 (en) * | 2004-09-29 | 2006-04-06 | Robert Bosch Gmbh | Grinding hand tool machine, in particular Akkuschleifhandwerkzeugmaschine |
JP5255959B2 (en) | 2008-09-03 | 2013-08-07 | 株式会社マキタ | Work tools |
JP5394895B2 (en) * | 2009-11-11 | 2014-01-22 | 株式会社マキタ | Electric tool |
US9701006B2 (en) * | 2014-02-20 | 2017-07-11 | Ingersoll-Rand Company | Power tools with reconfigurable secondary switch |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2263136A (en) * | 1939-05-20 | 1941-11-18 | Stanley Works | Handle structure for portable saws |
IT7922984V0 (en) * | 1979-10-29 | 1979-10-29 | Star Utensili Elett | PORTABLE ELECTRIC TOOL WITH PERFECTED CONTROLS. |
CN87205064U (en) * | 1987-06-04 | 1988-07-20 | 胡建明 | Miniature key type switch |
DE19507955A1 (en) * | 1995-03-07 | 1996-09-12 | Jan Nieberle | Ergonomic safety electric angle grinder with main and auxiliary handles |
GB2327054A (en) * | 1997-07-08 | 1999-01-13 | Black & Decker Inc | Shaft locking |
US6079865A (en) * | 1998-04-10 | 2000-06-27 | Hp Intellectual Corp. | Electric mixer |
US6443675B1 (en) * | 2000-02-17 | 2002-09-03 | Roto Zip Tool Corporation | Hand-held power tool |
CN2498724Y (en) * | 2001-02-28 | 2002-07-03 | 宁波华迪工贸有限公司 | Switch locking mechanism for electric screw driver |
CN2539269Y (en) * | 2001-12-19 | 2003-03-05 | 杨法德 | Controlling switch for electric tool |
-
2003
- 2003-12-30 NL NL1025144A patent/NL1025144C2/en not_active IP Right Cessation
-
2004
- 2004-12-30 EP EP04808841A patent/EP1699601B1/en not_active Expired - Fee Related
- 2004-12-30 CN CNB200480039598XA patent/CN100484724C/en not_active Expired - Fee Related
- 2004-12-30 RU RU2006127410/09A patent/RU2360318C2/en not_active IP Right Cessation
- 2004-12-30 DE DE602004013191T patent/DE602004013191T2/en active Active
- 2004-12-30 WO PCT/NL2004/000925 patent/WO2005063451A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104551224A (en) * | 2013-10-29 | 2015-04-29 | 罗伯特·博世有限公司 | Mains-operated portable power tool |
US10354823B2 (en) | 2013-10-29 | 2019-07-16 | Robert Bosch Gmbh | Handheld power tool having a restart protection device |
Also Published As
Publication number | Publication date |
---|---|
WO2005063451A1 (en) | 2005-07-14 |
DE602004013191T2 (en) | 2009-06-25 |
EP1699601B1 (en) | 2008-04-16 |
CN100484724C (en) | 2009-05-06 |
EP1699601A1 (en) | 2006-09-13 |
NL1025144C2 (en) | 2005-07-04 |
RU2006127410A (en) | 2008-02-10 |
RU2360318C2 (en) | 2009-06-27 |
DE602004013191D1 (en) | 2008-05-29 |
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Legal Events
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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 | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20100201 |