CN201590351U - Switch structure of electric power tool - Google Patents
Switch structure of electric power tool Download PDFInfo
- Publication number
- CN201590351U CN201590351U CN2009202016507U CN200920201650U CN201590351U CN 201590351 U CN201590351 U CN 201590351U CN 2009202016507 U CN2009202016507 U CN 2009202016507U CN 200920201650 U CN200920201650 U CN 200920201650U CN 201590351 U CN201590351 U CN 201590351U
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- Prior art keywords
- locking
- button
- self
- switch
- push button
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a switch structure of an electric power tool, which comprises a shell, a button assembly arranged on the shell and a switch pull rod for connecting a circuit switch. The switch pull rod is connected with the button assembly; a self-locking groove, a sliding groove, and a back locking structure are sequentially arranged on the shell along the pulling direction of the switch pull rod; the button assembly is embedded into the sliding groove and can slide in the sliding groove; the button assembly is provided with a lock body, and the lock body is matched with the self-locking groove on the shell to complete self locking when the switch is closed; a back locking body is arranged on the button assembly, and is matched with the back locking structure on the shell to complete back locking when the switch is opened; two actions are adopted to open the switch structure, so as to ensure the safety of the electric power tool in the using state. A handle-pressing body at the front end of a back locking button is only a small part exposed to a self-locking push button, and the electric power tool is opened only under alignment operation, thereby avoiding opening of the electric power tool caused by accidental touching of the switch and ensuing the safety of the electric power tool under non-using state.
Description
Technical field
The utility model relates to electric tool, particularly a kind of construction of switch of electric tool.
Background technology
The switch of angle mill class machine for the sake of security, all need two actions to open, this also is the requirement of American-European and domestic electric tool safety, two breakdown actions of the construction of switch of present common angle grinding machine comprise wants earlier the rear portion of Push switch trigger downwards, promote trigger then forward, the shortcoming of this structure is the easy misoperation of operator simultaneously, often a lot of operators do not know to want the rear portion of elder generation by switch, just do not open instrument, China national Department of Intellectual Property is at the utility model patent of Granted publication on the 13rd May in 2009 for another example, Granted publication number is CN201237982Y, a kind of angle grinding machine switch is disclosed in this patent specification, comprise supporting mass and lock body, described supporting mass is provided with self-locking grooves, the middle part of lock body is provided with the fulcrum of protrusion, fulcrum withstands on the supporting mass, one end of lock body is a dead bolt, the other end is an operating portion, be provided with spring or spring leaf between described operating portion and the supporting mass, supporting mass is provided with bolt blocks portion, dead bolt withstands in described bolt blocks portion, such structure is when switch disconnects, electric tool is under non-working condition, when someone touches the operating portion of lock body because of carelessness, can cause dead bolt in bolt blocks portion, to be deviate from, locking of switch untied, thereby make switch closure connect circuit, cause security incident.
The utility model content
Problem to be solved in the utility model just provides a kind of construction of switch of electric tool, and is simple in structure, easy to operate, and self-locking is locked reliably, avoids causing security incident because of operator's careless or misoperation, improves fail safe.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of construction of switch of electric tool, it is characterized in that: comprise housing, be arranged on the button assembly on the housing and the switch lever of connecting circuit switch, described switch lever is connected with the button assembly, described housing upper edge switch lever pulling direction is disposed with self-locking grooves, chute and back locking structure, described button assembly is inlaid in the chute and can slippage in chute, described button assembly is provided with lock body, described lock body cooperates with self-locking grooves on the housing during to make position at the switch lever Drawing switch realizes self-locking, also be provided with on the described button assembly and lock body, the described body of locking cooperates with back locking structure on the housing when the button assembly is in initial condition and realizes locking.
Further, described button assembly comprises the self-locking push button and locks button, the front end of described self-locking push button is provided with the lock body of downward protrusion, be provided with groove at the lock body rear, the rear end of self-locking push button is a forced section, describedly lock the bottom that button is rotatably connected on the self-locking push button, the described front end of locking button is provided with hand and presses body, described hand is upward through by body and exposes groove on the self-locking push button, the rear end of locking button is provided with locks body and cooperates with back locking structure on the housing, the forced section of described self-locking push button and lock between the rear end of button and be provided with elastic device, described bottom of locking button is provided with slide block, and described slide block passes chute and is connected with switch lever.
Further, the back locking structure on the described housing is groove one or projection one, and the described body of locking on the button of locking is a non-return buckle.
Further, described hand is pressed matched in clearance between body and the groove, is provided with the transition inclined-plane at hand by the bottom of body.
Further, describedly lock button is hinged on the self-locking push button by rotating shaft bottom, lock and be horizontally arranged with bossy body one on the button, be provided with through hole one in the described bossy body one, described rotating shaft is installed in the through hole one, be provided with the buckling body of buckle rotating shaft in the two bottom sides of self-locking push button, the lateral length of described bossy body one is not more than the distance between the medial surface of two buckling bodies.
Further, describedly lock button is hinged on the self-locking push button by rotating shaft bottom, lock and be horizontally arranged with bossy body two on the button, the two bottom sides of self-locking push button is provided with projection, be provided with corresponding through hole two in described bossy body two and the projection, described rotating shaft is installed in the through hole two, and the lateral length of described bossy body two is not more than the distance between the medial surface of two projections.
Further, described elastic device is a spring, and the bottom of the forced section of described self-locking push button is provided with the projection two or the groove two of retainer spring, describedly locks button to be provided with the projection three or the groove three of retainer spring corresponding with described protruding two or groove two.
Further, described elastic device is an elastic sheet metal, and an end of described elastic sheet metal is fixed on the self-locking push button or locks on the button, and the other end of elastic sheet metal is freely placed.
Further, described the collude body of bossy body of locking the button bottom for colluding forward, described switch lever hangs over colludes on the body.
Further, also be provided with the location stop part on the described housing, described location stop part is arranged on the place ahead of self-locking grooves.
After adopting technique scheme, the utlity model has following advantage: adopt two actions to open construction of switch, guaranteed the fail safe of electric tool under user mode; The unexpected unlatching may under non-working condition to have taken into full account electric tool, must press the hand of locking the button front end earlier and just can carry out the second step breakdown action by body, and the hand of locking the button front end only is the sub-fraction that is exposed at outside the self-locking push button by body, need alignment function to open, avoid the people to touch switch because of carelessness electric tool is opened, guaranteed the fail safe of electric tool under non-working condition.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is a vertical view embodiment illustrated in fig. 1;
Fig. 3 is an inside sectional structure chart embodiment illustrated in fig. 1;
Fig. 4 is an I place enlarged drawing among Fig. 3;
Fig. 5 is for the self-locking push button and lock a kind of articulated manner between the button;
Fig. 6 is for the self-locking push button and lock second kind of articulated manner between the button;
Fig. 7 locks state diagram during for disconnection embodiment illustrated in fig. 1;
Fig. 8 is self-locking state figure when closed embodiment illustrated in fig. 1.
Embodiment
The structural representation of a kind of embodiment of the utility model shown in Fig. 1 to 4, a kind of construction of switch of electric tool, comprise housing 1, be arranged on the self-locking push button 2 on the housing 1 and lock button 3, and the switch lever 4 of connecting circuit switch, described housing 1 upper edge switch lever 4 pulling directions are disposed with self-locking grooves 12, chute 11, projection 1 and groove 1, also are provided with location stop part 15 in the place ahead of self-locking grooves 12; The bottom of locking button 3 be provided with collude forward collude body 33, collude body 33 and pass chute 11, lock button 3 by colluding slippage in the chute 11 of body 33 on housing 1, switch lever 4 hangs over colludes on the body; The front end of self-locking push button 2 protrudes downwards and is provided with lock body 21, and self-locking grooves 12 mating reactions when switch closure on lock body 21 and the housing realize self-locking, and the rear that is positioned at lock body 21 on the self-locking push button 2 is provided with groove 27, and the rear end of self-locking push button 2 is a forced section 22; Lock button 3 and be hinged on the bottom of self-locking push button 2 by rotating shaft 6, lock the front end of button 3 and press body 31 to being provided with hand, hand passes groove 27 by body 31 and exposes on groove, hand is pressed matched in clearance between body 31 and the groove 27, leaving the space prevents self-locking push button 2 and locks occurrence positions interference when rotating mutually between the button 3, be provided with transition inclined-plane 38 at hand by the bottom of body, like this when pressing body 31 by the assistant, the front end of locking button 3 does not produce with housing 1 interferes, be convenient to operation, the rear end of locking button 3 is provided with non-return buckle 32, and groove 1 when switch disconnects and on the housing and projection one 14 mating reactions realize locking; The forced section 22 of self-locking push button and lock between the rear end of button 3 and be provided with spring 5, the bottom of the forced section 22 of self-locking push button is provided with the projection 2 23 of retainer spring 5, and locking button 3, to be provided with the groove 3 34 of retainer spring 5 corresponding with projection 2 23.
For locking the articulated manner of button 3 with self-locking push button 2, as illustrated in Figures 5 and 6, see shown in Fig. 5 earlier, lock and be horizontally arranged with bossy body 1 on the button 3, be provided with through hole one in the bossy body 1, described rotating shaft 6 is installed in the through hole one, is provided with the buckling body 24 of buckle rotating shaft in the two bottom sides of self-locking push button 2, the lateral length of described bossy body 1 is not more than the distance between the medial surface of two buckling bodies 24, interferes when avoiding assembling; Again as shown in Figure 6, lock and be horizontally arranged with bossy body 2 36 on the button 3, the two bottom sides of self-locking push button is provided with projection 25, be provided with corresponding through hole 2 39 in described bossy body 2 36 and the projection 25, rotating shaft 6 is installed in the through hole 2 39, the lateral length of described bossy body 2 36 is not more than the distance between the medial surface of two projections 25, interferes when avoiding assembling equally.In addition, self-locking push button 2 with lock button 3 hinged good after, leave feasible that enough spaces guarantee to rotate mutually between the two.
In the foregoing description, the forced section 22 of self-locking push button and the elastic device of locking between the rear end of button 3 also can be arranged to elastic sheet metal, elastic sheet metal one end is fixed on the self-locking push button or locks on the button, and an other end is freely placed and got final product; Lock effect for reaching, groove 1 and projection 1 on the housing can also can be provided with separately in conjunction with setting, and non-return buckle 32 mating reactions with the rear end of locking button 3 when switch disconnects realize locking; The bottom of the forced section 22 of self-locking push button and lock the structure that button 3 is provided with retainer spring 5 can adopt projection and groove to make up at random.
As shown in Figure 7, the foregoing description is in the state of locking, when opening switch, the first step need be removed when locking, to press the hand that exposes the self-locking push button earlier and press body 31, the rear end of locking button 3 pops up, the groove 1 on the non-return buckle 32 disengaging housings and the restriction of projection 1, enter next step breakdown action then, promote the forced section 22 of self-locking push button forward, stop do not readvance that up to self-locking push button 2 stop part 15 that is positioned as shown in Figure 8, at this moment the lock body 21 of self-locking push button front end just in time is positioned at the top of self-locking grooves 12, the spring force of spring 5 works, with the forced section 22 of self-locking push button jack-up upwards, make lock body 21 fall into self-locking grooves 12 and realize self-locking, the circuit of electric tool was connected and was kept always this moment; When the need cut-off switch, as long as the forced section 22 of pinning the self-locking push button moves backward, obviously feel on the self-locking push button non-return buckle 32 with housing on groove 1 and projection 1 let go after realizing locking and get final product.
The utility model does not limit to and is applied on the grinding machine of angle, is suitable on other various electric tools, as polishing machine, cutting machine, electric shaver yet.
Claims (10)
1. the construction of switch of an electric tool, it is characterized in that: comprise housing (1), be arranged on the button assembly on the housing (1) and the switch lever (4) of connecting circuit switch, described switch lever is connected with the button assembly, described housing (1) upper edge switch lever (4) pulling direction is disposed with self-locking grooves (12), chute (11) and back locking structure, described button assembly is inlaid in the chute (11) and can slippage in chute, described button assembly is provided with lock body (21), described lock body (21) cooperates with self-locking grooves (12) on the housing during to make position at the switch lever Drawing switch realizes self-locking, also be provided with on the described button assembly and lock body, the described body of locking cooperates with back locking structure on the housing when the button assembly is in initial condition and realizes locking.
2. the construction of switch of a kind of electric tool according to claim 1, it is characterized in that: described button assembly comprises self-locking push button (2) and locks button (3), the front end of described self-locking push button is provided with the lock body (21) of downward protrusion, be provided with groove (27) at the lock body rear, the rear end of self-locking push button is forced section (22), describedly lock the bottom that button is rotatably connected on the self-locking push button, the described front end of locking button is provided with hand and presses body (31), described hand is upward through by body and exposes groove on the self-locking push button, the rear end of locking button is provided with locks body and cooperates with back locking structure on the housing, the forced section of described self-locking push button (22) and lock between the rear end of button and be provided with elastic device, described bottom of locking button is provided with slide block (33), and described slide block (33) passes chute and is connected with switch lever (4).
3. the construction of switch of a kind of electric tool according to claim 2 is characterized in that: the back locking structure on the described housing is groove one (13) or projection one (14), and the described body of locking on the button of locking is non-return buckle (32).
4. the construction of switch of a kind of electric tool according to claim 2, it is characterized in that: described hand is pressed matched in clearance between body (31) and the groove (27), is provided with transition inclined-plane (38) at hand by the bottom of body.
5. the construction of switch of a kind of electric tool according to claim 2, it is characterized in that: describedly lock button (3) is hinged on self-locking push button (2) by rotating shaft (6) bottom, lock and be horizontally arranged with bossy body one (35) on the button (3), be provided with through hole one in the described bossy body one (35), described rotating shaft (6) is installed in the through hole one, be provided with the buckling body (24) of buckle rotating shaft in the two bottom sides of self-locking push button (2), the lateral length of described bossy body one (35) is not more than the distance between the medial surface of two buckling bodies (24).
6. the construction of switch of a kind of electric tool according to claim 2, it is characterized in that: describedly lock button (3) is hinged on self-locking push button (2) by rotating shaft (6) bottom, lock and be horizontally arranged with bossy body two (36) on the button (3), the two bottom sides of self-locking push button is provided with projection (25), be provided with corresponding through hole two (39) in described bossy body two (36) and the projection (25), described rotating shaft (6) is installed in the through hole two (39), and the lateral length of described bossy body two (36) is not more than the distance between the medial surface of two projections (25).
7. the construction of switch of a kind of electric tool according to claim 2, it is characterized in that: described elastic device is spring (5), the bottom of the forced section of described self-locking push button (22) is provided with the projection two (23) or the groove two of retainer spring (5), describedly locks button (3) to be provided with the projection three or the groove three (34) of retainer spring (5) corresponding with described protruding two (23) or groove two.
8. the construction of switch of a kind of electric tool according to claim 2, it is characterized in that: described elastic device is an elastic sheet metal, and an end of described elastic sheet metal is fixed on the self-locking push button or locks on the button, and the other end of elastic sheet metal is freely placed.
9. the construction of switch of a kind of electric tool according to claim 2 is characterized in that: the described bossy body of locking button (3) bottom colludes body (33) for what collude forward, and described switch lever (4) hangs over colludes on the body.
10. according to the construction of switch of the arbitrary described a kind of electric tool of claim 1 to 9, it is characterized in that: also be provided with location stop part (15) on the described housing (1), described location stop part (15) is arranged on the place ahead of self-locking grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202016507U CN201590351U (en) | 2009-12-10 | 2009-12-10 | Switch structure of electric power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202016507U CN201590351U (en) | 2009-12-10 | 2009-12-10 | Switch structure of electric power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201590351U true CN201590351U (en) | 2010-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202016507U Expired - Fee Related CN201590351U (en) | 2009-12-10 | 2009-12-10 | Switch structure of electric power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201590351U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318595A (en) * | 2011-08-15 | 2012-01-18 | 浙江亚特电器有限公司 | Steam weeding machine |
| CN104191375A (en) * | 2014-08-06 | 2014-12-10 | 兴化市中兴电动工具有限公司 | Alternating-current electric grinding machine |
| CN104779109A (en) * | 2014-01-13 | 2015-07-15 | 博世电动工具（中国）有限公司 | Electric tool and switch mechanism thereof |
| CN104972441A (en) * | 2014-04-11 | 2015-10-14 | 罗伯特·博世有限公司 | Electric Power Tool Having Switching Device |
| CN105304374A (en) * | 2014-07-22 | 2016-02-03 | 上海拜骋电器有限公司 | Switch |
| CN105983953A (en) * | 2015-03-20 | 2016-10-05 | 株式会社泉精器制作所 | Electric tool |
| CN112672550A (en) * | 2019-10-16 | 2021-04-16 | 纬创资通股份有限公司 | Electronic device, shell structure thereof and locking module |
-
2009
- 2009-12-10 CN CN2009202016507U patent/CN201590351U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102318595A (en) * | 2011-08-15 | 2012-01-18 | 浙江亚特电器有限公司 | Steam weeding machine |
| CN104779109A (en) * | 2014-01-13 | 2015-07-15 | 博世电动工具（中国）有限公司 | Electric tool and switch mechanism thereof |
| CN104972441A (en) * | 2014-04-11 | 2015-10-14 | 罗伯特·博世有限公司 | Electric Power Tool Having Switching Device |
| CN104972441B (en) * | 2014-04-11 | 2019-02-05 | 罗伯特·博世有限公司 | Electric tools with switching device |
| CN105304374A (en) * | 2014-07-22 | 2016-02-03 | 上海拜骋电器有限公司 | Switch |
| CN105304374B (en) * | 2014-07-22 | 2018-03-27 | 上海拜骋电器有限公司 | Switch |
| CN104191375A (en) * | 2014-08-06 | 2014-12-10 | 兴化市中兴电动工具有限公司 | Alternating-current electric grinding machine |
| CN105983953A (en) * | 2015-03-20 | 2016-10-05 | 株式会社泉精器制作所 | Electric tool |
| CN112672550A (en) * | 2019-10-16 | 2021-04-16 | 纬创资通股份有限公司 | Electronic device, shell structure thereof and locking module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20171210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |