CN201098886Y - Electric tool with operation mode fast switching device - Google Patents
Electric tool with operation mode fast switching device Download PDFInfo
- Publication number
- CN201098886Y CN201098886Y CNU2007200410618U CN200720041061U CN201098886Y CN 201098886 Y CN201098886 Y CN 201098886Y CN U2007200410618 U CNU2007200410618 U CN U2007200410618U CN 200720041061 U CN200720041061 U CN 200720041061U CN 201098886 Y CN201098886 Y CN 201098886Y
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- cup
- mode
- electric tool
- lock part
- ring
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Abstract
The utility model provides an electric tool provided with a work mode quick-switch device, comprising a housing, a motor for providing driving force, a gear case device for outputting torque, a first adjusting cup to adjust the output torque of a third internal gear ring in the adjusting gear, a second adjusting cup to achieve quick working mode switching of the tool, and a locking part to match selectively with the third internal gear ring through the second adjusting cup. The electric tool with the work mode quick-switch device is characterized in that the locking part is provided with two working positions; the locking part is cooperated with the third internal gear ring in a first working position and separated from the third internal gear ring in a second working position; a spring assembly cooperated with the locking part provides the elastic force to the locking part. The electric tool with the work mode quick-switch device has the advantages that the electric tool can quickly lock the rotation of the third internal gear ring through adjusting the work mode quick-switch device comprising the work mode quick-switch cup, the spring and the locking part, thus realizing the quick switching from screwdriver working mode to auger working mode.
Description
Technical field
The utility model relates to a kind of electric tool with the mode of operation apparatus for fast switching, particularly possesses the electric tool of brill and these two kinds of mode of operations of screwdriver at least.
Background technology
The switching of present known screwdriver, brill and impact mode of operation is to regulate cup by one or two function to realize.Have only an instrument of regulating cup, regulate cup normally torsion regulate cup, instrument rotates torsion and regulates glass the output torque of can set screw criticizing under the screwdriver mode of operation.Realize that switching need forward torsion adjusting cup to its extreme position between the different working modes, bore and the impact mode of operation in two extreme position difference correspondences of torsion adjusting cup.Two instruments of regulating cup are arranged, and one is regulated cup is that torsion is regulated cup, another regulate cup normally conflicting model regulate cup.Torsion is regulated cup can set screw output torque of criticizing and the switching that realizes screwdriver and brill.Conflicting model is regulated cup and only is used to select conflicting model.
It no matter is instrument with single glass or two glasss, its identical point is all to be to adopt torsion to regulate the switching that cup is realized brill and screwdriver mode of operation, this mode of operation switching mode forwards its extreme position to owing to torsion need be regulated cup, not only operation is more loaded down with trivial details, and switch the instability of keeping of back mode of operation, being easy in boring procedure influences drilling quality owing to torque overload causes the tool work instability.
The utility model content
Switch switching inconvenience and the problem of unstable that exists in order to solve brill and two kinds of mode of operations of screwdriver of existing in the existing technical scheme, the utility model provides a kind of and has utilized two cups to realize the electric tool of the switching of multiple mode of operation, this electric tool not only can be realized the quick switching between the mode of operation, and implementation is convenient and reliable.
The technical scheme that its technical problem that solves the utility model adopts is: instrument has two and regulates cup, one is can the implementation tool output torque to regulate and realize that screwdriver regulates cup with boring the torsion that two kinds of mode of operations switch, and another regulates cup is that implementation tool selects the quick change of screwdriver, brill and these three kinds of mode of operations of impact to select cup.
Gear-box and torsion at instrument are regulated the mode of operation fast replacing device of the instrument that the is independent of torque adjustment that increases between the cup, and it mainly comprises mode of operation selection cup, Lock Part and spring assembly.Mode of operation selects cup to rotate but axially-movable around the instrument arbor, only needs to select cup to go up to indicate to rotate just to make instrument switching fast between screwdriver, brill and three kinds of mode of operations of impact by mode of operation.Lock Part is selected in mode of operation can be positioned at first operating position or second operating position under the adjusting of cup, thereby optionally cooperates with the 3rd ring gear of gear-box moment of torsion output or break away from.Spring assembly applies different elastic forces when Lock Part is in the different operating position, keep Lock Part and move and the inefficacy that is unlikely to get loose in planned orbit.
Projecting point of the present utility model is need not the quick switching that loaded down with trivial details operation can realize screwdriver, brill and three kinds of mode of operations of impact, and it is safer stable to switch the back effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the stereogram that meets electric tool of the present utility model.
Fig. 2 is the instrument front end explosive view that meets first embodiment of the present utility model.
Fig. 3 A is the structure chart that meets the mode of operation selection cup of first embodiment of the present utility model.
Fig. 3 B is the structure chart that meets the mode of operation selection cup of second, third embodiment of the present utility model.
Fig. 4 is the assembling relationship figure of the embodiment fast replacing device among Fig. 2 when being in the screwdriver mode of operation.
Fig. 5 is the assembling relationship figure of the embodiment fast replacing device among Fig. 2 when being in driller's operation mode.
Fig. 6 is the fast replacing device that the meets second embodiment of the present utility model assembling relationship figure when being in the screwdriver mode of operation.
Fig. 7 is the fast replacing device that the meets second embodiment of the present utility model assembling relationship figure when being in driller's operation mode.
Fig. 8 is the fast replacing device that meets the 3rd embodiment of the present utility model assembling relationship figure when being in the screwdriver mode of operation.
Fig. 9 is the fast replacing device that meets the 3rd embodiment of the present utility model assembling relationship figure when being in driller's operation mode.
The specific embodiment
Include two at the electric tool shown in Fig. 1 and regulate cup structure, the adjusting cup of close drill bit one side is that torsion is regulated cup 11, and the adjusting cup of close gear-box one side is the mode of operation selection cup 10 that brill, screwdriver and three kinds of mode of operations of impact are switched.When torsion was regulated cup 11 and mainly is used in instrument and is in the screwdriver mode of operation, in instrument as shown in Figure 1, another was independent of mode of operation that the instrument output torque regulates and selects cup 10.When torsion is regulated cup 11 indications in output torque position arbitrarily, the edge is as identifying the direction rotation work model selection cup 10 of " brill " on Fig. 1 instrument, make it forward the position of indicating " brill " mode of operation to from the position of indicating " screwdriver " mode of operation, by by mode of operation quick change cup 10, spring 17, the effect of the mode of operation fast replacing device that Lock Part 18 is formed just can quick lock in the 3rd ring gear 14 rotation, thereby realize that the screwdriver mode of operation arrives the quick switching of driller's operation mode.Similarly, when the screwdriver mode of operation switches to the impact mode of operation, only need and to select cup 10 along the counter-rotation mode of operation of secondary handle among Fig. 1, make it forward the position of indicating " impact " mode of operation to from the position of indicating " screwdriver " mode of operation, by adjusting and be positioned at the matching relationship of the percussion mechanism of instrument front end, thereby realized that the screwdriver mode of operation is to the quick switching of impacting mode of operation.
Fig. 2 has provided the instrument front end explosive view that meets first embodiment of the present utility model.The parts that are positioned at the instrument front end comprise: gear-box fore shell 13, mode of operation quick change cup 10, the 3rd layer of ring gear 14, steel ball 15, steel column 16, spring 17, pin 18, shaft lock hexagonal sheet 19, pad 20, decide impact teeth 21, torque spring 22, surely transform piece 23, moving impact teeth 24, impact spring 25, simple and easy bearing lower gasket 26, simple and easy bearing 27, jump ring 28, simple and easy bearing Upper gasket 29, the moving piece 30 that transforms, torsion screw thread 32, torsion cup 11, shell fragment support 33, Location resilient piece 34, torsion cup end plate 35 and output shaft 36.The mode of operation fast replacing device of this embodiment is made up of mode of operation quick change cup 10, pin 18 and spring 17 as can be seen from Figure.Fig. 3 A shows the structure of mode of operation quick change cup, and ring is gone up around its central axis at least one projection 37 that distributes within it, it regulates the outer face of cup one side towards torsion on support 38 is arranged.What support 38 was used for the control tool front end decides conversion block 23.As identifying the direction rotation work pattern quick change cup 10 of " impact " on Fig. 1 instrument, regulate the matching relationship of the percussion mechanism of quick change cup upper bracket and instrument front end, thereby realize screwdriver and impact the switching of mode of operation.The structure of the switching shock mode of operation that the utility model adopts is a known technology, so no longer do more narration with regard to the switching shock mode of operation here.
The matching relationship of fast replacing device when Fig. 4 has provided the instrument that adopts first embodiment and is in the screwdriver mode of operation.Under this mode of operation, mode of operation selects the cup indication in " screwdriver " position.The pin 18 that plays locking action in the fast replacing device is in second operating position, and the one end selects the non-lug surface 41 of cup 10 interior rings to cooperate with mode of operation, and the other end and the disengaging of the 3rd ring gear are in the inside groove of casing.Spring 17 is enclosed within on the pin, connecting pin 18 and casing inner tank mouths.
The matching relationship of fast replacing device when Fig. 5 has provided the instrument that adopts first embodiment and is in driller's operation mode.Along the direction rotation work model selection cup 10 that is identifying " brill " on the instrument as shown in fig. 1, make its position forward the position of indication " brill " to from indication " screwdriver ".Under this mode of operation,, rotate torsion and regulate the output torque that cup 11 can not influence instrument again because pin 18 has locked the rotation of the 3rd ring gear.Sell 18 in the fast replacing device and be in first operating position this moment, the one end is to select the lug surface 42 of cup 10 interior rings to cooperate with mode of operation, make the other end axially be pushed along output shaft, stretching out the casing inside groove under impetus cooperates with the 3rd ring gear 14, lock the 3rd ring gear 14 and it can not be rotated freely and export peak torque, thereby realized driller's operation mode.Pin 18 motion causes spring 17 further to be compressed, and the elastic force that spring provides is guaranteed pin 18 to be back into again when mode of operation selects cup 10 to rotate back into the screwdriver mode of operation with the non-lug surface that encircles in the quick change cup and cooperated.
Fig. 6 has provided and has met second embodiment of the present utility model, the matching relationship of fast replacing device when wherein instrument is in the screwdriver mode of operation.The fast replacing device of this embodiment is made up of mode of operation quick change cup 10 ', ring-type Lock Part 18 ' and spring 17 ' as can be seen from Figure.Mode of operation quick change cup 10 ' shown in Fig. 3 B in its back-end on the face around its central axis at least one projection 37 ' that distributes.The inner and outer ring of the ring-type Lock Part 18 ' tooth that all distributing, its internal tooth can be optionally cooperate with tooth on the 3rd gear ring outer shroud, and external tooth then makes the Lock Part can only be along output shaft 36 axially-movables with inboard cooperation of casing.Ring-type Lock Part 18 ' at least one column that distributes on the front end face of drill bit direction is used to connect mode of operation quick change cup 10 ', and links to each other with spring 17 ' at its rear end face towards the gear-box direction.Under this mode of operation, ring-type Lock Part 18 ' is in second operating position, column is selected in mode of operation under the effect of cup 10 ' to cooperate with bumping surface 42 ' on the mode of operation cup inner face, the ring-type Lock Part 18 ' that this moment, front end face linked to each other with column is pushed vertically and cooperates with 14 disengagings of the 3rd ring gear, can regulate the output torque of cup 11 adjustment means by regulating torsion.The spring 17 ' that links to each other with ring-type Lock Part 18 ' rear end face is extruded the generation elastic force and guarantees that the ring-type Lock Part can make the ring-type Lock Part fast from getting back to mated condition with the gear released state when the screwdriver mode of operation switches to driller's operation mode.Fig. 7 has provided the matching relationship of fast replacing device when instrument is in driller's operation mode.Along the direction rotation work model selection cup 10 ' at secondary handle shown in Figure 1 place, make it forward " brill " mode of operation to from indication " screwdriver " mode of operation.Under this mode of operation, ring-type Lock Part 18 ' is in first operating position, and column cooperates with non-bumping surface 41 ' on the mode of operation quick change cup inner face, and this moment, ring-type Lock Part 18 ' inner circular tooth cooperated with the 3rd ring gear 14 outer shroud teeth.Because Lock Part 18 ' can not rotate, make the 3rd ring gear 14 spin lockings, instrument just can be with the mode of operation of the brill of max. output torque execution stably like this.
The matching relationship of fast replacing device when Fig. 8 has provided the fast replacing device that meets the 3rd embodiment of the present utility model and is in the screwdriver mode of operation.The place that the 3rd relative second embodiment of embodiment done change is the Lock Part structure.The Lock Part that is adopted is at least one pin 18 in this embodiment ".As Fig. 8, as can be known shown in Figure 9, the operation principle of the mode of operation fast replacing device of the 3rd embodiment is identical with second embodiment.Rotation work model selection cup 10 ' makes pin 18 " be in primary importance; and the one end selects the non-lug surface 41 ' of cup 10 ' to cooperate with mode of operation; the other end cooperates with tooth on the 3rd ring gear 14 outer shrouds; lock the rotation of the 3rd gear ring 14, thereby implementation tool moves (shown in Figure 9) under driller's operation mode.Same counter-rotation mode of operation selects cup 10 ' to make pin 18 " second mode of operation; the one end selects the lug surface 42 ' of cup 10 ' to cooperate with mode of operation; the other end cooperates with the outer shroud tooth disengaging of the 3rd ring gear 14, from and switch back screwdriver pattern (shown in Figure 8).
The utility model is not limited to the above embodiment; anyly utilize non-torque adjustment structure to realize the structure that screwdriver and driller's operation mode switch fast, and those of ordinary skills can rely on other similar techniques schemes that the utility model just can be easy to expect all in protection domain of the present utility model.
Claims (10)
1. the electric tool with the mode of operation apparatus for fast switching comprises:
Casing;
The motor of driving force is provided;
The gear box device of output torque;
First of regulating tooth roller box the 3rd ring gear output torque is regulated cup;
Second of implementation tool mode of operation quick change is regulated cup;
Regulate the Lock Part that cup optionally cooperates with described the 3rd ring gear by second, it is characterized in that described Lock Part has two operating positions, Lock Part cooperates with described the 3rd ring gear when first operating position, and Lock Part and described the 3rd ring gear break away from when second operating position.
2. the electric tool described in claim 1 is characterized in that the spring assembly that cooperates with described Lock Part provides elastic force for Lock Part.
3. the electric tool described in claim 2 is characterized in that the described second interior ring of regulating cup is distributed with a projection at least.
4. the electric tool described in claim 3 is characterized in that described Lock Part has a pin at least, and the lug surface that an end of selling when first operating position and second is regulated ring in the cup cooperates, the protruding cooperation on the outer shroud of the other end and the 3rd ring gear; An end of selling when second operating position cooperates with the second non-lug surface of regulating ring in the cup, and the other end breaks away from the 3rd ring gear.
5. the electric tool described in claim 4 is characterized in that described spring assembly can be to be enclosed within on the pin, is in compressive state when locking is positioned at first operating position.
6. the electric tool described in claim 2 is characterized in that described second regulates on the rear end face of cup and be distributed with a projection at least.
7. the electric tool described in claim 6 is characterized in that described Lock Part has a pin at least.The non-lug surface that an end of selling when first operating position and second is regulated the cup rear end face cooperates, and the projection on the outer shroud of the other end and the 3rd ring gear cooperates; An end of selling when second operating position cooperates with second lug surface of regulating ring in the cup, and the other end breaks away from the 3rd ring gear.
8. the electric tool described in claim 6 is characterized in that described Lock Part can be that an inner and outer ring all has tooth, and an end is regulated the ring that cup is connected by at least one pin with second.Pin cooperates with the second non-lug surface of regulating cup when first operating position, and ring cooperates with the 3rd ring gear; Pin cooperates with second lug surface of regulating cup when second operating position, and ring and the 3rd ring gear break away from.
9. the electric tool described in one of claim 7 or 8 is characterized in that described spring assembly is positioned at an end of Lock Part, is in compressive state when Lock Part is positioned at second operating position.
10. the electric tool described in claim 1 is characterized in that described second its front end face of adjusting cup has annular support, and regulating cup by second can optionally cooperate the percussion mechanism of support with the instrument front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200410618U CN201098886Y (en) | 2007-07-27 | 2007-07-27 | Electric tool with operation mode fast switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200410618U CN201098886Y (en) | 2007-07-27 | 2007-07-27 | Electric tool with operation mode fast switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201098886Y true CN201098886Y (en) | 2008-08-13 |
Family
ID=39935417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200410618U Expired - Lifetime CN201098886Y (en) | 2007-07-27 | 2007-07-27 | Electric tool with operation mode fast switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201098886Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846879A (en) * | 2012-12-07 | 2014-06-11 | 苏州宝时得电动工具有限公司 | Power tool |
| CN104785817B (en) * | 2014-01-21 | 2017-04-19 | 南京德朔实业有限公司 | Multi-mode drill and mode switching mechanism thereof |
| CN107471164A (en) * | 2016-06-08 | 2017-12-15 | 南京德朔实业有限公司 | Torque output tool |
| CN108961674A (en) * | 2018-09-27 | 2018-12-07 | 佛山安豪科技服务有限公司 | A kind of anti-wolf alarm |
| CN108937823A (en) * | 2018-09-27 | 2018-12-07 | 佛山安豪科技服务有限公司 | A kind of clothing hair catcher |
-
2007
- 2007-07-27 CN CNU2007200410618U patent/CN201098886Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846879A (en) * | 2012-12-07 | 2014-06-11 | 苏州宝时得电动工具有限公司 | Power tool |
| CN104785817B (en) * | 2014-01-21 | 2017-04-19 | 南京德朔实业有限公司 | Multi-mode drill and mode switching mechanism thereof |
| CN107471164A (en) * | 2016-06-08 | 2017-12-15 | 南京德朔实业有限公司 | Torque output tool |
| CN108961674A (en) * | 2018-09-27 | 2018-12-07 | 佛山安豪科技服务有限公司 | A kind of anti-wolf alarm |
| CN108937823A (en) * | 2018-09-27 | 2018-12-07 | 佛山安豪科技服务有限公司 | A kind of clothing hair catcher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080813 |
|
| CX01 | Expiry of patent term |