CN203351462U - Power tool with external pull rod switch device - Google Patents
Power tool with external pull rod switch device Download PDFInfo
- Publication number
- CN203351462U CN203351462U CN 201320424150 CN201320424150U CN203351462U CN 203351462 U CN203351462 U CN 203351462U CN 201320424150 CN201320424150 CN 201320424150 CN 201320424150 U CN201320424150 U CN 201320424150U CN 203351462 U CN203351462 U CN 203351462U
- Authority
- CN
- China
- Prior art keywords
- pull bar
- self
- switch
- locking
- shift knob
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a power tool with an external pull rod switch device. The power tool includes a body and an intermediate bushing disposed at the front end of the body. A switch is disposed on the intermediate bushing. A switch control mechanism for controlling on-off of the switch is disposed in the body. The switch control mechanism comprises a pull rod extending from the rear side of the switch to the rear portion of the body. The rear end of the pull rod is provided with a switch button. The pull rod moves forward or restores backward to achieve a normally closed state or normally open state of the switch. A self-locking and anti-self-locking structure is arranged between the switch button and the pull rod to achieve self-locking and anti-self-locking in the normally open state or normally closed state of the switch. A pull rod restoring spring enabling the restoration of the pull rod is disposed between the pull rod and the body. A button restoring spring enabling the restoration of the button is disposed between the switch button and the pull rod. The power tool with the external pull rod switch device is reasonable in structural design, easy to operate and reliable in operation, and improves the safety of use.
Description
Technical field
The utility model relates to the electric tool technical field, is specifically related to a kind of electric tool with outside link formula switching device.
Background technology
At present, apply electric tool very widely in every profession and trade, the switch major part of grinding the class machine as angle is push switch, and be arranged on the right or the casing afterbody of casing, switch is arranged on casing the right and starts shooting concerning being accustomed to left-handed people or shut down all very inconvenient, switch is arranged on the casing afterbody, although can conveniently start shooting or shut down, but when the unpredictable situations such as emery wheel breaks appear in machine, because the hand very first time of holding tool touches less than switch, cause the reaction speed of shutdown slow, easily cause unpredictable danger.
The utility model content
Technical problem to be solved in the utility model just is to provide a kind of electric tool with outside link formula switching device, switch is used safer, thereby improves the fail safe that electric tool uses.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electric tool with outside link formula switching device, comprise body and be located at the intermediate sleeve of body front end, described intermediate sleeve is provided with switch, be provided with the switching control mechanism of control switch break-make in described body, described switching control mechanism comprises the pull bar that extends to rear body from the switch rear side, described back end of tie rod is provided with shift knob, described pull bar travels forward or resets backward and realizes the normally closed of switch or often open, between described shift knob and pull bar, be provided with self-locking and anti-self-locking structure realize pull bar switch often open or normally off under self-locking and anti-self-locking, be provided with the pull bar back-moving spring that pull bar is resetted between described pull bar and body, be provided with the push-button reset spring that makes push-button reset between described shift knob and pull bar.
Preferably, described pull bar front end is provided with L shaped termination, and described switch is located in L shaped termination.
Preferably, described pull bar is provided with a pull bar back-moving spring mounting groove at back, L shaped termination, and described pull bar back-moving spring rear end is located in pull bar back-moving spring mounting groove, and described pull bar back-moving spring front end sleeve is connected on the spring stack on body.Be convenient to install the pull bar back-moving spring and realize that pull bar resets.
Preferably, described pull bar front end is provided with a V-shaped groove, the V-shaped groove rear wall is stretched out in described shift knob rear end, described shift knob middle part is hinged on the wall of the V-shaped groove left and right sides, described shift knob back-moving spring bottom is socketed on the spring stack on pull bar, bottom surface, apical grafting shift knob rear portion, shift knob back-moving spring top.This kind of structural design is convenient to the operation of shift knob and realizes corresponding function.
Preferably, described self-locking and anti-self-locking structure comprise the boss of self-locking and anti-self-locking step and the setting of described shift knob front top of the setting of pull bar front bottom end.Simple structure by self-locking and anti-self-locking step and boss can realize self-locking and anti-self-locking, simple and reliable for structure.
Preferably, described shift knob is arranged on pull bar by pin.Switch button structure arranges rationally, works more reliable, easy to operate.
Preferably, described self-locking and anti-self-locking step and body are wholely set.By this setting, self-locking work is more reliable.
Preferably, described pull bar is arranged on the body outside and is adjacent to the body setting.By this setting, the user is more convenient to operate.
The utility model is by adopting technique scheme, and shift knob and drag link mechanism compounding practice can make switch realize self-locking or anti-self-locking, make respectively switch in normally closed or normally open, reasonable in design, simple to operate, reliable operation, improved the fail safe of using.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
The explosive view that Fig. 1 is the utility model embodiment;
The installation diagram that Fig. 2 is the utility model embodiment.
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, the electric tool with outside link formula switching device of the present utility model is made and being illustrated.
This is with the electric tool of outside link formula switching device, comprise body 1 and be located at the intermediate sleeve 8 of body rear end, described intermediate sleeve is provided with switch 2, be provided with the switching control mechanism of control switch break-make in described body 1, described switching control mechanism comprises the pull bar 5 that extends to rear body from the switch front side, described pull bar front end is provided with shift knob 3, described pull bar 5 travels forward or resets backward and realizes the normally closed of switch or often open, between described shift knob and pull bar, be provided with self-locking and anti-self-locking structure realize pull bar switch often open or normally off under self-locking and anti-self-locking, be provided with the pull bar back-moving spring 4 that pull bar is resetted between described pull bar and body, be provided with the push-button reset spring 6 that makes push-button reset between described shift knob and pull bar.Described back end of tie rod is provided with L shaped termination 50, and described switch 2 is located in L shaped termination.Described pull bar is provided with a pull bar back-moving spring mounting groove 51 at back, L shaped termination, described pull bar back-moving spring rear end is located in pull bar back-moving spring mounting groove, and described pull bar back-moving spring front end sleeve is connected on the spring stack on body.Described pull bar front end is provided with a V-shaped groove 52, the V-shaped groove rear wall is stretched out in described shift knob rear end, described shift knob middle part is hinged on the wall of the V-shaped groove left and right sides, described shift knob back-moving spring bottom is socketed on the spring stack on pull bar, the anterior bottom surface of shift knob back-moving spring top apical grafting shift knob.Described self-locking and anti-self-locking structure comprise the boss 30 of self-locking and anti-self-locking step 11 and the setting of described shift knob front top of the setting of back end of tie rod bottom.
Described shift knob is arranged on pull bar 5 by pin 7.Described self-locking and anti-self-locking step 11 are wholely set with body 1.Described pull bar 5 is arranged on body 1 outside and is adjacent to the body setting.
When described shift knob 3 is not pressed, self-locking and anti-self-locking step 11 restriction pull bars 5 are to front slide, and switch 2, in normally open, is realized anti-self locking function.When described shift knob 3 is pressed, pull bar is to front slide, and switch 2 is in closure state, and while decontroling shift knob 3, push-button reset spring 6 makes the boss 30 of shift knob 3 coordinate with self-locking and anti-self-locking step 11 on body 1, realizes auto-lock function.
Operation principle: as shown in Figure 2, under the effect of the self-locking of shift knob 3 on push-button reset spring 6 and body 1 and anti-self-locking step 11, pull bar 5, in home position, can not move forward, and switch, in normally open, is realized anti-self-locking state.
When pressing shift knob 3, shift knob 3 can rotate certain angle around pin 7, now pull bar 5 can move forward to assigned address, switch 2 is in normally off, during trip switch button 3, under the effect of push-button reset spring 6, the self-locking on making shift knob 3 and reaching body 1 coordinates with anti-self-locking step 11, realizes self-locking state.
The cancel switch self-locking state, while pressing shift knob 3, under the effect of pull bar back-moving spring 4, pull bar 5 resets, and switch is in normally open.
Above-described embodiment is to specific descriptions of the present utility model; only for the utility model is further described; can not be interpreted as the restriction to the utility model protection range, within the technician of this area makes some nonessential improvement according to the content of above-mentioned utility model to the utility model and adjusts and all fall into protection range of the present utility model.
Claims (8)
1. the electric tool with outside link formula switching device, comprise body (1) and be located at the intermediate sleeve (8) of body (1) rear end, described intermediate sleeve is provided with switch (2), be provided with the switching control mechanism of control switch break-make in described body (1), it is characterized in that: described switching control mechanism comprises the pull bar (5) that extends to body (1) front portion from switch (2) front side, described pull bar front end is provided with shift knob (3), described pull bar (5) travels forward or resets backward and realizes the normally closed of switch or often open, between described shift knob (3) and pull bar (5), be provided with self-locking and anti-self-locking structure realize pull bar (5) switch often open or normally off under self-locking and anti-self-locking, be provided with the pull bar back-moving spring (4) that pull bar is resetted between described pull bar (5) and body (1), be provided with the push-button reset spring (6) that makes push-button reset between described shift knob (3) and pull bar (5).
2. the electric tool with outside link formula switching device according to claim 1, it is characterized in that: described pull bar (5) rear end is provided with L shaped termination (50), and described switch (2) is located in L shaped termination.
3. the electric tool with outside link formula switching device according to claim 2, it is characterized in that: described pull bar (5) is provided with a pull bar back-moving spring mounting groove (51) at back, L shaped termination (50), described pull bar back-moving spring rear end is located in pull bar back-moving spring mounting groove, and described pull bar back-moving spring front end sleeve is connected on the spring stack on body.
4. the electric tool with outside link formula switching device according to claim 3, it is characterized in that: described pull bar (5) front end is provided with a V-shaped groove (52), the V-shaped groove rear wall is stretched out in described shift knob (3) rear end, described shift knob middle part is hinged on the wall of the V-shaped groove left and right sides, described shift knob back-moving spring bottom is socketed on the spring stack on pull bar, the anterior bottom surface of shift knob back-moving spring top apical grafting shift knob.
5. the electric tool with outside link formula switching device according to claim 4 is characterized in that: described self-locking and anti-self-locking structure comprise the boss (30) that self-locking that pull bar (5) front bottom end arranges and anti-self-locking step (11) and described shift knob (3) front top arrange.
6. according to the described electric tool with outside link formula switching device of claim 1 to 5 any one, it is characterized in that: described shift knob is arranged on pull bar by pin (7).
7. a kind of electric tool with outside link formula switching device according to claim 6, it is characterized in that: described self-locking and anti-self-locking step and body are wholely set.
8. the electric tool with outside link formula switching device according to claim 6 is characterized in that: described pull bar is arranged on the body outside and is adjacent to the body setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320424150 CN203351462U (en) | 2013-07-16 | 2013-07-16 | Power tool with external pull rod switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320424150 CN203351462U (en) | 2013-07-16 | 2013-07-16 | Power tool with external pull rod switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351462U true CN203351462U (en) | 2013-12-18 |
Family
ID=49751329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320424150 Expired - Lifetime CN203351462U (en) | 2013-07-16 | 2013-07-16 | Power tool with external pull rod switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113561137A (en) * | 2021-05-28 | 2021-10-29 | 莱克电气绿能科技(苏州)有限公司 | Tool machine switch linkage device and tool machine |
-
2013
- 2013-07-16 CN CN 201320424150 patent/CN203351462U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113561137A (en) * | 2021-05-28 | 2021-10-29 | 莱克电气绿能科技(苏州)有限公司 | Tool machine switch linkage device and tool machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107425364A (en) | A kind of novel water glass | |
| CN203351462U (en) | Power tool with external pull rod switch device | |
| CN101584288B (en) | Handheld tool | |
| CN204315130U (en) | A kind of robot demonstrator | |
| CN203165725U (en) | Hand-held electric tool safety switch push button mechanism | |
| CN202839403U (en) | Electric tool with outside pull lever type switch device | |
| CN205223949U (en) | A handle for operating quick -witted suction tube is picked up in city | |
| CN207522533U (en) | Control assembly and power tool | |
| CN204180537U (en) | There is the mower of auxiliary-handle one key angle adjusting mechanism | |
| CN204347516U (en) | A kind of for modularization robot manipulation and the handle of communication | |
| WO2017107408A1 (en) | 3d drawing pen | |
| CN206295324U (en) | It is easy to the hand held cleaner of manipulation | |
| CN204118910U (en) | A kind of handwheel telescopic electric actuator | |
| CN208045378U (en) | Grind switch gearing device in angle | |
| CN203288068U (en) | Remote switch device of polishing machine | |
| CN107863631A (en) | A kind of improved-type indoor power supply socket device | |
| CN202517127U (en) | Electric chain saw | |
| CN209516169U (en) | A kind of computer network connects the cable plug of anti-convex line | |
| CN201895292U (en) | Improved electric screwdriver | |
| CN203312058U (en) | Hand-operated switch stress-application rod | |
| CN108232794A (en) | A kind of new-energy automobile device of practicality | |
| CN109508039A (en) | Unmanned aerial vehicle control system | |
| CN203311186U (en) | Safe starting switch device of polishing machine | |
| CN104521447A (en) | Mower with operation protection, and safety switch mechanism thereof | |
| CN206585314U (en) | Feeding machine controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CX01 | Expiry of patent term |