CN205057966U - Multi -functional electric hammer of single knob - Google Patents
Multi -functional electric hammer of single knob Download PDFInfo
- Publication number
- CN205057966U CN205057966U CN201520755643.7U CN201520755643U CN205057966U CN 205057966 U CN205057966 U CN 205057966U CN 201520755643 U CN201520755643 U CN 201520755643U CN 205057966 U CN205057966 U CN 205057966U
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- transmission shaft
- power transmission
- clutch
- external splines
- check plate
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Abstract
The utility model discloses a multi -functional electric hammer of single knob, it includes fixing base, impacting shaft, cylinder, transmission shaft and function knob, install the gear wheel on the impacting shaft, install pinion, pendulum rod bearing and drive gear on the transmission shaft, the middle part of transmission shaft is provided with the external splines, be provided with first clutch and second clutch respectively in the both sides of external splines on the transmission shaft, drive gear is through an inside and outside spline and a clutch, first clutch selectively meshes or separates with the epaxial external splines of transmission, pendulum rod bearing and pinion install in proper order in on the transmission shaft in the second clutch outside, the second clutch selectively with spline on the pendulum rod bearing meshes or separates, and the rotation function knob drives first, two couplings or throws off the external splines of transmission shaft. Above -mentioned multi -functional electric hammer of single knob is simple structure not only, light and handy easy operation, and job stabilization is reliable.
Description
Technical field
The utility model relates to a kind of electric hammer, particularly relates to a kind of Single button multifunctional electric hammer.
Background technology
Electric hammer is a kind of conventional electric tool, and it rotates mainly through driven by motor main shaft, utilizes bit to carry out activity in production, by main shaft increasing cylinder and coordinating Oscillating lever bearing, can also realize the axially-movable of main shaft, complete the function of hammer.
Existing electric hammer, drive mechanism is various informative, but be generally all that use two knobs have regulated, certainly Single button multifunctional electric hammer is also had, but it carries out power and energy for generally all needing function knob to promote clutch by slide plate in the operating mechanism of power and energy, there is the shortcoming of complex structure and poor reliability in current existing Single button implementation.
Utility model content
The purpose of this utility model is to provide a kind of Single button multifunctional electric hammer, and it has simple, the easy to operate and reliable feature of working stability of structure, to solve the problems referred to above that in prior art, Single button multifunctional electric hammer exists.
For reaching this object, the utility model by the following technical solutions:
A kind of Single button multifunctional electric hammer, it comprises holder, described holder is provided with impacting shaft, cylinder, power transmission shaft and function knob, described impacting shaft is provided with gear wheel, described power transmission shaft is provided with pinion, Oscillating lever bearing and travelling gear, described cylinder is located on impacting shaft and is connected with Oscillating lever bearing, the middle part of described power transmission shaft is provided with power transmission shaft external splines, and described power transmission shaft is respectively arranged with first clutch and second clutch in the both sides of described power transmission shaft external splines, wherein, described first clutch has internal spline, described travelling gear can be set on the power transmission shaft outside described first clutch along power transmission shaft movably, its one end is provided with travelling gear external splines, in described travelling gear passes through, first clutch described in external splines connects, described power transmission shaft there is the first back-moving spring in the arranged outside of described travelling gear, described second clutch has internal spline, described Oscillating lever bearing and pinion are installed on the power transmission shaft outside described second clutch successively, and described Oscillating lever bearing is provided with Oscillating lever bearing external splines, the second back-moving spring is provided with between described second clutch and described Oscillating lever bearing, on described function knob, eccentric setting has a steel column, described steel column is positioned at described first, between two clutches, steel column described in spinfunction knob drives first, two clutches engage or throw off described power transmission shaft external splines.
Especially, described power transmission shaft is outside equipped with check plate assembly in the first back-moving spring, described check plate assembly comprises parallel interval and is arranged at check plate holder on described power transmission shaft and check plate, by two rivet interlacement between described check plate holder and check plate, described check plate coordinate described travelling gear be provided with internal tooth.
Especially, described check plate can be set on two rivets along described two rivets movably, and described two rivets are provided with check plate spring.
Especially, the middle part of described power transmission shaft external splines is offered and is equipped with stopper slot, is provided with for the spacing back-up ring to first and second clutch limiting in described stopper slot.
Especially, one end of described first back-moving spring is resisted against on described travelling gear, and the other end is undertaken spacing by being set in plain washer on power transmission shaft, and the power transmission shaft outside described plain washer is provided with shaft block ring.
The beneficial effects of the utility model are, compared with prior art described Single button multifunctional electric hammer is changed by the spline fitted of two clutches and Oscillating lever bearing and travelling gear, the power of power transmission shaft is distributed and controls, pass through various combination, described first clutch and second clutch selectively engage with travelling gear external splines and Oscillating lever bearing external splines or throw off, and produce single brill, hammer drill, single hammer and three kinds of function work patterns.Adopt the steel column of function knob directly to stir first clutch and second clutch work, not only structure is simple, lightly easy to operate simultaneously; And working stability is reliable.
Accompanying drawing explanation
State diagram when Fig. 1 is the enforcement hammer drill function of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
State diagram when Fig. 2 is the enforcement brill function of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
State diagram when Fig. 3 is the enforcement hammer function of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
Fig. 4 is the structural representation of the power transmission shaft of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
Fig. 5 is the structural representation of the travelling gear of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
Fig. 6 is the structural representation of the check plate assembly of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
Fig. 7 is the structural representation of the first clutch of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides;
Fig. 8 is the structural representation of the Oscillating lever bearing of the Single button multifunctional electric hammer that the utility model detailed description of the invention 1 provides.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Refer to shown in Fig. 1 to Fig. 8, in the present embodiment, a kind of Single button multifunctional electric hammer comprises holder 1, described holder 1 is provided with impacting shaft 2, cylinder (not illustrating in figure), power transmission shaft 3 and function knob 4, described impacting shaft 2 is provided with gear wheel 5, the two ends of described power transmission shaft 3 are installed with in holder 1 by bearing, and it is provided with pinion 6, Oscillating lever bearing 7 and travelling gear 8, described cylinder is located on impacting shaft 2 and is connected with Oscillating lever bearing 7, the middle part of described power transmission shaft 3 is provided with power transmission shaft external splines 9, described power transmission shaft 3 is respectively arranged with first clutch 10 and second clutch 11 in the both sides of described power transmission shaft external splines 9, described first clutch 10 has internal spline, described travelling gear 8 can be set on the power transmission shaft 3 outside described first clutch 10 along power transmission shaft 3 movably, its one end is provided with travelling gear external splines 12, in described travelling gear 8 passes through, described in external splines, first clutch 10 connects, described power transmission shaft 3 there is the first back-moving spring 13 in the arranged outside of described travelling gear 8, one end of described first back-moving spring 13 is resisted against on described travelling gear 8, the other end is undertaken spacing by being set in plain washer 14 on power transmission shaft 3, power transmission shaft 3 outside described plain washer 14 is provided with shaft block ring 15.Described second clutch 11 has internal spline, described Oscillating lever bearing 7 and pinion 6 are installed on the power transmission shaft 3 outside described second clutch 11 successively, and described Oscillating lever bearing 7 is provided with Oscillating lever bearing external splines 16, the second back-moving spring 17 is provided with between described second clutch 11 and described Oscillating lever bearing 7, on described function knob 4, eccentric setting has a steel column 18, described steel column 18 is between described first clutch 10 and second clutch 11, steel column 18 described in spinfunction knob 4 drives first clutch 10 and second clutch 11 to engage or throws off described power transmission shaft external splines 9.
Described power transmission shaft 3 is outside equipped with check plate assembly in the first back-moving spring 13, described check plate assembly comprises parallel interval and is arranged at check plate holder 19 on described power transmission shaft 3 and check plate 20, connected by two rivets 21 between described check plate holder 19 and check plate 20, described check plate 20 coordinate described travelling gear 8 be provided with internal tooth 22, and described check plate 20 can be set on two rivets 21 along described two rivets 21 movably, and described two rivets 21 are provided with check plate spring 23.
The middle part of described power transmission shaft external splines 9 is offered and is equipped with stopper slot 24, is provided with spacing back-up ring 25 in described stopper slot 24, carries out spacing when being engaged on power transmission shaft external splines 9 by spacing back-up ring 25 pairs of first clutches 10 and second clutch 11.
When hammer drill function implemented by electric hammer: spinfunction knob 4, makes steel column 18 all not contact with second clutch 11 with first clutch 10.Travelling gear 8 and first clutch 10 are fixed in a rotational direction by the internal spline of travelling gear external splines 12 and first clutch 10, and under the effect of the first back-moving spring 13, shift spacing back-up ring 25 place onto, the internal spline of first clutch 10 is coordinated with power transmission shaft external splines 9.Under the effect of the second back-moving spring 17, promote second clutch 11 to spacing back-up ring 25 place, the internal spline of second clutch 11 is coordinated with power transmission shaft external splines 9, the internal spline of second clutch 11 coordinates with Oscillating lever bearing external splines 16 simultaneously.Realize the function of hammer drill, while carrying out hammer drill, electric hammer also can implement chisel angle regulation function.
When electric hammer is implemented to bore function: spinfunction knob 4, makes steel column 18 promote second clutch 11, and the internal spline of second clutch 11 is separated with power transmission shaft external splines 9.Travelling gear 8 and first clutch 10 are fixed in a rotational direction by the internal spline of travelling gear external splines 12 and first clutch 10, and under the effect of the first back-moving spring 13, shift spacing back-up ring 25 place onto, the internal spline of first clutch 10 is coordinated with power transmission shaft external splines 9, realize the function of boring, in this function, check plate 20 and travelling gear 8 are thrown off, and check plate 20 does not participate in work.
When hammer function implemented by electric hammer: spinfunction knob 4, makes steel column 18 impeller first clutch 10 and travelling gear 8, the internal spline of first clutch 10 is separated with power transmission shaft external splines 9.Second clutch 11 is under the effect of the second back-moving spring 17, the internal spline of second clutch 11 is combined with power transmission shaft external splines 9, the internal spline of second clutch 11 is combined with Oscillating lever bearing external splines 16 simultaneously, Oscillating lever bearing 7 obtains power, impacting shaft 2 is driven to move axially generation hammering action by cylinder, gear wheel 5 does not have power, impacting shaft 2 non rotating.And now, travelling gear 8 all engages with the internal tooth 22 of gear wheel 2 and check plate 20, and check plate 20 participates in work, restriction gear wheel 2 rotates, impacting shaft 3 stressed freely rotating when can avoid hammering, the accuracy of raising hammering.In the process simultaneously engaged with check plate 20 at travelling gear 8, the situation that both profiles of tooth are not aimed at may be there is, under check plate spring 23 acts on, travelling gear 8 promotes check plate 20 and produces certain displacement along two rivets 21, namely certain thrust is applied to check plate 20, now only need travelling gear 8 to rotate the engagement that can complete both smoothly.
Above embodiment has just set forth general principle of the present utility model and characteristic; the utility model does not limit by above-mentioned example; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a Single button multifunctional electric hammer, it comprises holder, described holder is provided with impacting shaft, cylinder, power transmission shaft and function knob, described impacting shaft is provided with gear wheel, described power transmission shaft is provided with pinion, Oscillating lever bearing and travelling gear, described cylinder is located on impacting shaft and is connected with Oscillating lever bearing, the middle part of described power transmission shaft is provided with power transmission shaft external splines, and described power transmission shaft is respectively arranged with first clutch and second clutch in the both sides of described power transmission shaft external splines, it is characterized in that, described first clutch has internal spline, described travelling gear can be set on the power transmission shaft outside described first clutch along power transmission shaft movably, its one end is provided with travelling gear external splines, in described travelling gear passes through, first clutch described in external splines connects, described power transmission shaft there is the first back-moving spring in the arranged outside of described travelling gear, described second clutch has internal spline, described Oscillating lever bearing and pinion are installed on the power transmission shaft outside described second clutch successively, and described Oscillating lever bearing is provided with Oscillating lever bearing external splines, the second back-moving spring is provided with between described second clutch and described Oscillating lever bearing, on described function knob, eccentric setting has a steel column, described steel column is positioned at described first, between two clutches, steel column described in spinfunction knob drives first, two clutches engage or throw off described power transmission shaft external splines.
2. Single button multifunctional electric hammer according to claim 1, it is characterized in that, described power transmission shaft is outside equipped with check plate assembly in the first back-moving spring, described check plate assembly comprises parallel interval and is arranged at check plate holder on described power transmission shaft and check plate, by two rivet interlacement between described check plate holder and check plate, described check plate coordinate described travelling gear be provided with internal tooth.
3. Single button multifunctional electric hammer according to claim 2, is characterized in that, described check plate can be set on two rivets along described two rivets movably, and described two rivets are provided with check plate spring.
4. Single button multifunctional electric hammer according to claim 1, is characterized in that, the middle part of described power transmission shaft external splines is offered and is equipped with stopper slot, is provided with for the spacing back-up ring to first and second clutch limiting in described stopper slot.
5. Single button multifunctional electric hammer according to claim 1, it is characterized in that, one end of described first back-moving spring is resisted against on described travelling gear, and the other end is undertaken spacing by being set in plain washer on power transmission shaft, and the power transmission shaft outside described plain washer is provided with shaft block ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755643.7U CN205057966U (en) | 2015-09-25 | 2015-09-25 | Multi -functional electric hammer of single knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755643.7U CN205057966U (en) | 2015-09-25 | 2015-09-25 | Multi -functional electric hammer of single knob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205057966U true CN205057966U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520755643.7U Active CN205057966U (en) | 2015-09-25 | 2015-09-25 | Multi -functional electric hammer of single knob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205057966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024203A1 (en) * | 2017-08-01 | 2019-02-07 | 江苏东成机电工具有限公司 | Multifunctional electric hammer |
| CN113414746A (en) * | 2021-07-02 | 2021-09-21 | 重庆弘愿工具(集团)有限公司 | Electric hammer keeps off position switching subassembly |
-
2015
- 2015-09-25 CN CN201520755643.7U patent/CN205057966U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024203A1 (en) * | 2017-08-01 | 2019-02-07 | 江苏东成机电工具有限公司 | Multifunctional electric hammer |
| CN113414746A (en) * | 2021-07-02 | 2021-09-21 | 重庆弘愿工具(集团)有限公司 | Electric hammer keeps off position switching subassembly |
| CN113414746B (en) * | 2021-07-02 | 2022-09-06 | 重庆弘愿工具(集团)有限公司 | Electric hammer keeps off position switching subassembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |