CN2902606Y - Tetrafunction switching device of electric hammer - Google Patents
Tetrafunction switching device of electric hammer Download PDFInfo
- Publication number
- CN2902606Y CN2902606Y CN 200620103584 CN200620103584U CN2902606Y CN 2902606 Y CN2902606 Y CN 2902606Y CN 200620103584 CN200620103584 CN 200620103584 CN 200620103584 U CN200620103584 U CN 200620103584U CN 2902606 Y CN2902606 Y CN 2902606Y
- Authority
- CN
- China
- Prior art keywords
- knob
- gearshift
- electric
- electric hammer
- hammer
- 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
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses an electric hammer four conversion devices, including a switch block (16), a knob (13), a knob cell (12) and a shift slice (11) which is arranged in the sliding groove of the switch block (16), the upper portion of the shift slice (11) is provided with a rectangular hole, the knob cell (12) goes through the rectangular hole, which is provided with a knot cell cam (19) which is matched with the rectangular hole, the rear end of the knob cell (12) is provided with an eccentric shaft (10). The shift slice (11) is provided with a top hook (17). A spring (15) is arranged between the shift slice (11) and the switch block (16). With the above structure, the knobs (13) can realize hammer drilling, electric hammer position adjustment, electric pick, and electric drill, four to the smooth conversion of the four functions. It has a simple and compact structure, convenient in production and assembly, flexible and reliable conversion, and safe in use.
Description
Technical field
The utility model relates to the switching mechanism of a kind of electric hammer function, particularly a kind of Oscillating lever bearing structure electric hammer four function-changing devices.
Background technology
Electric hammer enjoys liking of users, but how to realize that function conversion is the electric hammer difficult point always owing to having hammer drill, electric drill, electric pick, pick position regulating function.At first, the conversion of electric hammer function uses two knobs to realize, this structural requirement user finishes by operating two knobs when function is changed, require the user that certain operative knowledge and use experience are arranged, and complex structure, troublesome poeration, manufacturing cost height, service life lack, and are now eliminated by producer and user gradually.At present, the conversion of electric hammer function uses single knob to realize, as Chinese patent 03221374.3 a disclosed a kind of button three functional entities that are used for the link-type heavy electric hammer, constitute by knob, driving lever, shift fork and torsion spring, one end of knob is a cam, the end face of cam is provided with pin, one end end of driving lever has a cam path that matches with cam, the cam end of knob promptly is inserted in this cam path, shift fork one end has chute, the pin that is located on the knob cam is promptly inserted within it, and an end of torsion spring links to each other with driving lever, and the other end is fixed on the housing of link-type electric hammer.Though this structure result of use on the link-type heavy electric hammer is better, on the electric hammer of Oscillating lever bearing structure, use just to be difficult to cooperate, and the assembly precision requirement to be high, the function conversion separates defectives such as not thorough, dumb.In view of above reason, on the electric hammer of Oscillating lever bearing structure, use and promote extremely undesirable.
Summary of the invention
For overcoming the above-mentioned disadvantage that existing Oscillating lever bearing structure electric hammer exists, problem to be solved in the utility model provides a kind of simple and reasonable, production and easy to assembly, conversion flexibility and reliability, cost electric hammer four function-changing devices low, safe in utilization.The technical scheme that its technical problem that solves the utility model adopts, it comprises switch base, knob, knob core and the gearshift sheet that is fixed on the gearbox, the knob core is arranged on the switch base, knob is fixed on the knob core, described gearshift sheet is arranged in the gearshift sheet chute of switch base, the gearshift sheet is provided with oblong aperture, the knob core passes the oblong aperture of gearshift sheet, the knob core is provided with knob core cam, knob core cam and oblong aperture coupling, the rear end face of knob core is provided with the eccentric shaft that cooperates with spline housing; One side of gearshift sheet and gear wheel coupling is provided with the gearshift plate top hook.
Between gearshift sheet and switch base, be provided with extension spring.
After adopting said structure, can make Oscillating lever bearing structure electric hammer realize that electric drill, hammer drill, pick position are adjusted, the smooth conversion of four kinds of functions of electric pick by operation knob; Have characteristics such as simple and compact for structure, production and easy to assembly, conversion flexibility and reliability, cost are low, safe in utilization.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model knob position schematic diagram.
Electric hammer structural representation when Fig. 3 is in the hammer drill gear for Fig. 2.
Electric hammer structural representation when Fig. 4 adjusts gear for Fig. 2 is in the pick position.
Electric hammer structural representation when Fig. 5 is in the electric pick gear for Fig. 2.
Electric hammer structural representation when Fig. 6 is in the electric drill gear for Fig. 2.
The specific embodiment
Shown in Figure 1, specific embodiments for a kind of electric hammer four function-changing devices of the utility model, it comprises the switch base 16 that is fixed on the gearbox 20, knob 13, knob core 12 and gearshift sheet 11, knob core 12 is arranged on the switch base 16, knob 13 is fixed on the knob core 12, described gearshift sheet 11 is arranged in the gearshift sheet chute of switch base 16, gearshift sheet 11 is provided with oblong aperture, knob core 12 passes the oblong aperture of gearshift sheet 11, knob core 12 is provided with knob core cam 19, knob core cam 19 and oblong aperture coupling, the rear end face of knob core 12 is provided with the eccentric shaft 10 that cooperates with spline housing 3; Gearshift sheet 11 is provided with gearshift plate top hook 17 with a side of gear wheel 5 couplings.Between gearshift sheet 11 and switch base 16, be provided with extension spring 15.Fig. 2 is the utility model knob position schematic diagram, realizes that by rotation knob 13 electric drill, hammer drill, pick position are adjusted, the smooth conversion of four kinds of functions of electric pick.
Figure 3 shows that the electric hammer structural representation when Fig. 2 is in the hammer drill gear, under knob 13 controls, the eccentric shaft 10 on the knob core 12 is in released state with spline housing 3, and the gearshift plate top hook 17 on the gearshift sheet 11 is in released state with gear wheel 5; By spline and gear shaft 1 engagement, spline housing 3 and Oscillating lever bearing 14 engagements in order to guarantee spline housing 3 and gear shaft 1 reliable fit, are provided with jump ring 4 to spline housing 3 on gear shaft 1 under the promotion of pagoda type compression spring 2.Gear wheel 5 meshes with gear shaft 1 under the effect of big compression spring 6, and pivoted housing 7 and gear wheel 5 engagements in order to guarantee gear wheel 5 and gear shaft 1 reliable fit, are provided with back-up ring 9 and axle-steel silk back-up ring 8 on pivoted housing 7.The braking nail of brake 18 and the brake tooth on the pivoted housing 7 are in released state at this moment.When 1 rotation of motor driven gear axle, gear shaft 1 drives Oscillating lever bearing 14 swings by spline housing 3, and the fork of Oscillating lever bearing 14 drives piston and moves reciprocatingly, and percussion hammer back and forth clashes into the function that hammer stem is realized pick under compressed-air actuated effect; Meanwhile, gear shaft 1 drives pivoted housing 7 rotations by gear wheel 5 again and realizes the function of brill, thereby realizes the function of hammer drill.
Figure 4 shows that the electric hammer structural representation when Fig. 2 is in pick position adjustment gear.When knob 13 transfers to the pick position when adjusting gear from the hammer drill position, knob core cam 19 is stirred gearshift sheet 11, and the gearshift plate top hook 17 on the gearshift sheet 11 overcomes behind the elastic force of big compression spring 6 upwards jack-up gear wheel 5, makes gear wheel 5 break away from engagement with gear shaft 1; At this moment, eccentric shaft 10 is in released state with spline housing 3, and the braking nail of brake 18 and the brake tooth on the pivoted housing 7 are in released state; At this moment pivoted housing 7 is in the neutral position, can rotate the adjusting pick arbitrarily, thereby realizes the function that the pick position is adjusted.
Figure 5 shows that the electric hammer structural representation when Fig. 2 is in the electric pick gear.When knob 13 is adjusted gear from the pick position and is transferred to the electric pick gear, knob core cam 19 is stirred gearshift sheet 11, the gearshift plate top hook 17 of gearshift on the sheet 11 continues upwards jack-up gear wheel 5 after overcoming the elastic force of big compression spring 6, gear wheel 5 breaks away from the engagement with gear shaft 1, make brake tooth on the pivoted housing 7 snap in the braking nail of brake 18, guarantee that pivoted housing 7 can not rotate; At this moment, still be in vacant state between eccentric shaft 10 on the knob core 12 and the spline housing 3, by spline and gear shaft 1 engagement, spline housing 3 meshes with Oscillating lever bearing 14 spline housing 3 under the promotion of pagoda type compression spring 2.When 1 rotation of motor driven gear axle, because gear wheel 5 is in disengaged condition with gear shaft 1, gear wheel 5 is not with gear shaft 1 rotation, so pivoted housing 7 does not rotate yet; This moment, gear shaft 1 drove Oscillating lever bearing 14 swings by spline housing 3, and the fork of Oscillating lever bearing 14 drives piston and moves reciprocatingly, and percussion hammer back and forth clashes into hammer stem under compressed-air actuated effect, thereby realizes the function of electric pick.
Figure 6 shows that the electric hammer structural representation when Fig. 2 is in the electric drill gear, when knob 13 when the hammer drill position transfers to the electric drill gear, knob 13 drives eccentric shaft 10 rotations by knob core 12, after overcoming pagoda type compression spring 2 elastic force, spline housing 3 is depressed, made spline housing 3 and gear shaft 1 be in disengaged condition; At this moment, the gearshift plate top hook 17 on the gearshift sheet 11 is in released state with gear wheel 5, and gear wheel 5 is in engagement with gear shaft 1 under the effect of big compression spring 6.When 1 rotation of motor driven gear axle, spline housing 3 is in disengaged condition with gear shaft 1, and Oscillating lever bearing 14 is not worked, and piston does not move reciprocatingly; This moment, gear shaft 1 drove pivoted housing 7 rotations by gear wheel 5, thereby realized the function of electric drill.
Claims (2)
1, a kind of electric hammer four function-changing devices, comprise the switch base (16) that is fixed on the gearbox (20), knob (13), knob core (12) and gearshift sheet (11), knob core (12) is arranged on the switch base (16), knob (13) is fixed on the knob core (12), it is characterized in that: described gearshift sheet (11) is arranged in the gearshift sheet chute of switch base (16), gearshift sheet (11) is provided with oblong aperture, knob core (12) passes the oblong aperture of gearshift sheet (11), knob core (12) is provided with knob core cam (19), knob core cam (19) and oblong aperture coupling, the rear end face of knob core (12) is provided with the eccentric shaft (10) that cooperates with spline housing (3); Gearshift sheet (11) is provided with gearshift plate top hook (17) with a side of gear wheel (5) coupling.
2, electric hammer four function-changing devices according to claim 1 is characterized in that: be provided with extension spring (15) between gearshift sheet (11) and switch base (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103584 CN2902606Y (en) | 2006-05-10 | 2006-05-10 | Tetrafunction switching device of electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103584 CN2902606Y (en) | 2006-05-10 | 2006-05-10 | Tetrafunction switching device of electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2902606Y true CN2902606Y (en) | 2007-05-23 |
Family
ID=38078010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103584 Expired - Lifetime CN2902606Y (en) | 2006-05-10 | 2006-05-10 | Tetrafunction switching device of electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2902606Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010020097A1 (en) * | 2008-08-20 | 2010-02-25 | Yao Geng | An electric drill multifunctional converter |
| CN104455396A (en) * | 2014-11-17 | 2015-03-25 | 张家港市创基机械设备制造有限公司 | Gearshift mechanism in four-function electric hammer |
| CN109555792A (en) * | 2018-12-05 | 2019-04-02 | 浙江亚特电器有限公司 | A kind of electric hammer arrangement of clutch |
-
2006
- 2006-05-10 CN CN 200620103584 patent/CN2902606Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010020097A1 (en) * | 2008-08-20 | 2010-02-25 | Yao Geng | An electric drill multifunctional converter |
| CN104455396A (en) * | 2014-11-17 | 2015-03-25 | 张家港市创基机械设备制造有限公司 | Gearshift mechanism in four-function electric hammer |
| CN109555792A (en) * | 2018-12-05 | 2019-04-02 | 浙江亚特电器有限公司 | A kind of electric hammer arrangement of clutch |
| CN109555792B (en) * | 2018-12-05 | 2023-10-13 | 浙江亚特电器股份有限公司 | Electric hammer clutch device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2920563Y (en) | Light single-span four function electric hammer | |
| US10121610B2 (en) | Switch conversion apparatus | |
| CN101758486A (en) | Light single-button multifunctional electric hammer | |
| CN2902606Y (en) | Tetrafunction switching device of electric hammer | |
| CN201376107Y (en) | Function switch device for electric hammer | |
| CN2830001Y (en) | 3-function converter of electric hammer | |
| CN1888470A (en) | Synchronous power takeoff | |
| CN2860757Y (en) | Single button four-function electric hammer | |
| CN2830000Y (en) | Drill, hammer, pickaxe 3-function converter of swing link bearing structured electric hammer | |
| CN201338261Y (en) | Multifunctional electric hammer | |
| CN214499953U (en) | Stroke control mechanism for partial-rotation electric actuator | |
| CN201038905Y (en) | Shutter curtain motor stroke adjusting machine | |
| CN201619092U (en) | Light single button multifunctional electric hammer | |
| CN204295648U (en) | A kind of Single button multifunctional electric hammer of double-clutch mechanism | |
| CN211567666U (en) | Power takeoff | |
| CN2784568Y (en) | Gear shifting mechanism for power head of rotary drilling rig | |
| CN2426395Y (en) | Multifunctional electric hammer | |
| CN201368154Y (en) | Air-operated clutch | |
| CN220335446U (en) | Driving adjustment of sewing machine | |
| CN2614107Y (en) | Electric tool with three-function knob | |
| CN221101910U (en) | Pressing rotary switch with controllable locking function | |
| CN201187248Y (en) | Rotary digging drill power head apparatus with high speed soil-throwing function | |
| CN2376672Y (en) | Electric operation mechanism for breaker with plastics casing | |
| CN202225174U (en) | Light electric hammer with double functions | |
| CN213054659U (en) | Electric hammer function switching mechanism and electric hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hongda Group Co., Ltd. Assignor: Zhu Shijian Contract record no.: 2010330001266 Denomination of utility model: Tetrafunction switching device of electric hammer Granted publication date: 20070523 License type: Exclusive License Record date: 20100712 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
| EXPY | Termination of patent right or utility model |