CN202241182U - Single-knob four-function electric hammer - Google Patents
Single-knob four-function electric hammer Download PDFInfo
- Publication number
- CN202241182U CN202241182U CN2011203503112U CN201120350311U CN202241182U CN 202241182 U CN202241182 U CN 202241182U CN 2011203503112 U CN2011203503112 U CN 2011203503112U CN 201120350311 U CN201120350311 U CN 201120350311U CN 202241182 U CN202241182 U CN 202241182U
- Authority
- CN
- China
- Prior art keywords
- spline
- clutch
- knob
- shaft
- function electric
- 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 a single-knob four-function electric hammer, which comprises an impacting shaft provided with a large gear, a cylinder, a motor shaft and a rocker bearing, wherein the cylinder is arranged on the impacting shaft and is connected with the rocker bearing. The single-knob four-function electric hammer is characterized in that: the motor shaft is connected with a transmission shaft with a spline through a gear; the transmission shaft with the spline is sleeved with the rocker bearing and a transmission gear in a clearance fit way; splines of the transmission shaft with the spline, the rocker bearing and the transmission gear form a spline group; two movable clutches are arranged on the spline group in a matching way, and are provided with shifting forks; a working part of a knob are sandwiched by two shifting forks; and a rack is arranged in a way that the rack is lined with the shifting fork of the clutch A close to the large gear, and can be meshed with teeth of the transmission gear. The single-knob four-function electric hammer has four functions of a single drill, a hammer drill, a single hammer and unpowered chisel angle adjustment under the matching change of the two clutches and the spline group. The knob is used to eccentrically control the two clutches to slide in a short distance, and a phenomenon that the knot is required to overcome strong elasticity of a spring to convert functions is avoided, so that the single-knob four-function electric hammer has the advantages of simplicity, light weight, simple operation and the like.
Description
Technical field
The utility model relates to a kind of electric hammer, novel electric hammer especially a kind of single knob, that realize brill, hammer, hammer drill and four functions of adjusting chisel angle.
Background technology
Electric hammer is a kind of electric tool commonly used, and it utilizes drill bit rotation carrying out activity in production mainly through the driven by motor main axis rotation, through to increasing cylinder on the main shaft and cooperating Oscillating lever bearing, can also realize the axially-movable of main shaft, accomplishes the function of hammer.
Existing electric hammer, drive mechanism is various informative, accomplishes but generally all be to use 2 knobs to regulate, and in general in addition single knob implementation, knob-operated is relatively required great effort, and structure reliability is not high yet.
Summary of the invention
The purpose of the utility model is the deficiency to the electric hammer of existing structure, invent a kind of simple in structure, single knob four function electric hammers of reliable operation.
For reaching above-mentioned purpose, the technical scheme of the utility model is:
A kind of single knob four function electric hammers contain impacting shaft, cylinder, motor shaft and the Oscillating lever bearing of being with gear wheel, and cylinder is located on the impacting shaft; Be connected with Oscillating lever bearing; It is characterized in that: motor shaft connects a splined power transmission shaft through gear, and matched in clearance ground socket Oscillating lever bearing and travelling gear all have spline on the said splined power transmission shaft on Oscillating lever bearing and the travelling gear; Both are arranged at the both sides of the spline of splined power transmission shaft, and the spline of aforementioned three parts constitutes the spline group; Cooperate on the spline group to be provided with clutch one and clutch two, described two clutches can move left and right on the spline group, is equipped with shift fork on the clutch, and shift fork is connected with resetting means, and the operate portions of knob is clipped in the middle by two shift forks; With near the shift fork interlock of the clutch one of gear wheel, also be provided with a tooth bar, said tooth bar can with the tooth engagement of travelling gear.
Shift fork on described two clutches is through on the backstay with the fixed position.Backstay is one, also can be two and be used for fixing a shift fork respectively.
Preferably: resetting means is a back-moving spring, is socketed on the backstay, withstands shift fork.
The operate portions of said knob is that a two is semicircular long round body, and pivot is located at one of them semicircular center of circle.
The utility model utilization be that the transmission regulatory function is carried out in the position of two clutches move left and right on the spline group; So the position of concrete clutch includes three kinds: the spline on clutch one connecting band spline shaft and the travelling gear, while clutch two is the connecting band spline shaft only;
Clutch one only connects the spline of travelling gear, simultaneously the spline on two while of clutch connecting band spline gear and the Oscillating lever bearing;
The spline group is linked into an integrated entity by two clutches.
Said tooth bar and travelling gear (position relation be that when clutch one only connected the spline of travelling gear, the tooth of tooth bar and travelling gear meshed.
Said tooth bar is arranged on the shift fork of clutch one.
The utility model with the power distribution control of power transmission shaft, through various combination, produces single brill, hammer drill, single hammer and four kinds of functions of unpowered adjustment chisel angle through the variation that cooperates of two clutches with the spline group.Utilize two clutch short distances of knob eccentricity control to slide, the powerful elastic force of avoiding knob need overcome spring reaches the purpose of function conversion, thereby realizes advantages such as simple, light and handy, easy to operate.
Description of drawings
Fig. 1, the utility model are in the structure chart that bores function;
Fig. 2, the utility model are in the structure chart of hammer function;
Fig. 3, the utility model are in the structure chart of hammer drill function;
Fig. 4, the utility model are in the structure chart of chisel angle adjustment function.
The specific embodiment
According to four kinds of functions, concrete structure of accompanying drawings the utility model and operation principle.
Like the brill function of Fig. 1, the spline on clutch one 13 connecting band spline shafts 14 and the travelling gear 10, while clutch 2 15 is connecting band spline shaft 14 only; The power of motor shaft 1 arrives splined power transmission shaft 14 through pinion 2 with transmission of power, and this moment, Oscillating lever bearing 3 was not connected to the splined power transmission shaft 14 with power owing to clutch 2 15, and did not have power, and Oscillating lever bearing 3 is failure to actuate, and cylinder 16 also is failure to actuate.Clutch 1 connects the spline of travelling gear 10 and the spline of splined power transmission shaft 14, and travelling gear 10 obtains the power rotation, through the engagement of gear wheel 12, makes impacting shaft 11 pure rotations, realizes boring function.
Moving of clutch one, two; Be that the shift fork 8,6 that relies on knob 7 to promote to be fixed on above the backstay 4 is accomplished; And in the present embodiment, two shift forks are through on the backstay 4, and two sections back-moving springs 5,9 are through on the backstay 4 and withstand shift fork; Let them toward the middle application of force, the operate portions of knob 7 is set in the middle of the shift fork.The operate portions of knob 7 is Long Circles of two semicircle, and pivot is located at the center of circle of a semicircle, forms eccentric rod, through rotating 7 knobs, just can carry out displacement to two clutches through the variable in distance of eccentric rod.In this function, the tooth bar 17 that is fixed on above the shift fork 8 is not participated in work.
Fig. 2 is the hammering functional status, through rotation knob 7, promotes shift fork; Let being connected of spline of spline that clutch 1 throws off splined power transmission shafts 14 and travelling gear 10; The clutch 2 15 of rear end is connected the spline of splined power transmission shaft 14 with the spline of Oscillating lever bearing 3, Oscillating lever bearing 3 obtains power, drives impacting shaft 11 through cylinder 16 and moves axially generation hammering action; Gear wheel 12 does not have power, and impacting shaft 11 does not rotate.And be fixed on tooth bar 17 and travelling gear 10 engagements on clutch one shift fork 8 of front end this moment, limits it and rotate, impacting shaft 11 stressed freely rotating when can avoid hammering, the accuracy of raising hammering.
Fig. 3; It is the structure chart of the hammer drill function of the utility model; This moment, two clutches linked into an integrated entity splined power transmission shaft 14, travelling gear 10 and Oscillating lever bearing 3 these threes' spline simultaneously, and Oscillating lever bearing 3 is all dynamic with travelling gear 10, all works; Cause the rotation and the axially-movable of impacting shaft 11, become the hammer drill function.
Fig. 4 is under the situation of motor shaft 1 unpowered output, and clutch 1 is thrown off the spline of travelling gear 10 and the spline of splined power transmission shaft 14 is thrown off, and causes impacting shaft 11 freely to rotate, and is convenient to regulate the chisel angle.This hour rack 17 is engaged transmission gear 10 not also.
Claims (8)
1. single knob four function electric hammers; The impacting shaft (11), cylinder (16), motor shaft (1) and the Oscillating lever bearing (3) that contain band gear wheel (12); Cylinder (16) is located on the impacting shaft (11), is connected with Oscillating lever bearing (3), it is characterized in that: motor shaft (1) connects a splined power transmission shaft (14) through gear (2); Said splined power transmission shaft (14) is gone up matched in clearance ground socket Oscillating lever bearing (3) and travelling gear (10); On Oscillating lever bearing (3) and the travelling gear (10) spline is arranged all, both are arranged at the both sides of the spline of splined power transmission shaft (14), and the spline of aforementioned three parts constitutes the spline group; Cooperate on the spline group and be provided with clutch one (13) and clutch two (15); Described two clutches (13,15) can move left and right on the spline group; Be equipped with shift fork (8,6) on the clutch, shift fork is connected with resetting means, and the operate portions of knob (7) is clipped in the middle by two shift forks; With near shift fork (8) interlock of the clutch one (13) of gear wheel (12), also be provided with a tooth bar (17), said tooth bar (17) can with the tooth engagement of travelling gear (10).
2. single knob four function electric hammers according to claim 1 is characterized in that: described shift fork (8,6) is through backstay (4) and goes up with the fixed position.
3. single knob four function electric hammers according to claim 2, it is characterized in that: described backstay (4) is one.
4. single knob four function electric hammers according to claim 1 is characterized in that: described resetting means is back-moving spring (5,9).
5. single knob four function electric hammers according to claim 1 is characterized in that: the operate portions of said knob (7) is that a two is a semicircular long garden body, and pivot is located at one of them semicircular center of circle.
6. single knob four function electric hammers according to claim 1; It is characterized in that: clutch (13,15) position of move left and right on the spline group; Include; Spline on clutch one (13) connecting band spline shaft (14) and the travelling gear (10), while clutch two (15) is connecting band spline shaft (14) only;
Clutch one (13) only connects the spline of travelling gear (10), simultaneously the spline on two (15) while of clutch connecting band spline gear (14) and the Oscillating lever bearing (3);
The spline group is linked into an integrated entity by two clutches.
7. single knob four function electric hammers according to claim 1; It is characterized in that: said tooth bar (17) with the position relation of travelling gear (10) is; When clutch one (13) only connects the spline of travelling gear (10), the engagement of the tooth of tooth bar (17) and travelling gear (10).
8. single knob four function electric hammers according to claim 1 is characterized in that: said tooth bar (17) is arranged on the shift fork (8) of clutch one (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203503112U CN202241182U (en) | 2011-09-19 | 2011-09-19 | Single-knob four-function electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203503112U CN202241182U (en) | 2011-09-19 | 2011-09-19 | Single-knob four-function electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202241182U true CN202241182U (en) | 2012-05-30 |
Family
ID=46102479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203503112U Expired - Lifetime CN202241182U (en) | 2011-09-19 | 2011-09-19 | Single-knob four-function electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202241182U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837295A (en) * | 2012-10-02 | 2012-12-26 | 浙江奔宇工具有限公司 | Electric hammer drive mechanism |
| CN103894983A (en) * | 2012-12-26 | 2014-07-02 | 株式会社牧田 | Hammer drill |
| CN106041834A (en) * | 2016-06-21 | 2016-10-26 | 刘志斌 | Electric tool and mode switching structure thereof |
| CN106826695A (en) * | 2016-12-23 | 2017-06-13 | 永康市杰拉华工具有限公司 | A kind of function electric hammer of single button four |
| CN107174486A (en) * | 2017-07-17 | 2017-09-19 | 衢州学院 | The full-automatic four limbs rehabilitation trainer of clutch luffing type |
| CN107228192A (en) * | 2017-06-19 | 2017-10-03 | 锐奇控股股份有限公司 | A kind of gear adjusting device and method |
| CN107263402A (en) * | 2016-04-07 | 2017-10-20 | 浙江德世电器有限公司 | A kind of multifunctional electric hammer of a key control |
| WO2019024203A1 (en) * | 2017-08-01 | 2019-02-07 | 江苏东成机电工具有限公司 | Multifunctional electric hammer |
-
2011
- 2011-09-19 CN CN2011203503112U patent/CN202241182U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837295A (en) * | 2012-10-02 | 2012-12-26 | 浙江奔宇工具有限公司 | Electric hammer drive mechanism |
| CN103894983A (en) * | 2012-12-26 | 2014-07-02 | 株式会社牧田 | Hammer drill |
| CN107263402A (en) * | 2016-04-07 | 2017-10-20 | 浙江德世电器有限公司 | A kind of multifunctional electric hammer of a key control |
| CN107263402B (en) * | 2016-04-07 | 2023-12-29 | 浙江德硕科技股份有限公司 | Multifunctional electric hammer controlled by one key |
| CN106041834A (en) * | 2016-06-21 | 2016-10-26 | 刘志斌 | Electric tool and mode switching structure thereof |
| CN106826695A (en) * | 2016-12-23 | 2017-06-13 | 永康市杰拉华工具有限公司 | A kind of function electric hammer of single button four |
| CN107228192A (en) * | 2017-06-19 | 2017-10-03 | 锐奇控股股份有限公司 | A kind of gear adjusting device and method |
| CN107174486A (en) * | 2017-07-17 | 2017-09-19 | 衢州学院 | The full-automatic four limbs rehabilitation trainer of clutch luffing type |
| WO2019024203A1 (en) * | 2017-08-01 | 2019-02-07 | 江苏东成机电工具有限公司 | Multifunctional electric hammer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202241182U (en) | Single-knob four-function electric hammer | |
| CN2920563Y (en) | Light single-span four function electric hammer | |
| CN101758486B (en) | Light single-button multifunctional electric hammer | |
| RU2012133308A (en) | ELECTRIC DRIVE TOOL | |
| CN102873669B (en) | One-button multifunctional switching structure | |
| WO2012115921A3 (en) | Right angle impact tool | |
| CN100513090C (en) | Dual-speed multifunctional electric hammer | |
| CN202045386U (en) | Electric drill | |
| EP2210708A3 (en) | Rotary impact tool | |
| CN107263402B (en) | Multifunctional electric hammer controlled by one key | |
| EP1950008A1 (en) | Hammer drill | |
| CN104994997A (en) | Electric tool | |
| CN202607626U (en) | Electric hammer capable of realizing four functions by single knob | |
| CN202011006U (en) | Portable bifunctional electric hammer | |
| CN201960550U (en) | Double-knob six-function electric hammer | |
| CN202129475U (en) | Electric tool and transmission mechanism thereof | |
| CN201095102Y (en) | One-button-four-function light electric hammer | |
| CN102076994B (en) | Multi-gear transmission device and power tool | |
| CN201338261Y (en) | Multifunctional electric hammer | |
| CN204295648U (en) | A kind of Single button multifunctional electric hammer of double-clutch mechanism | |
| CN201619092U (en) | Light single button multifunctional electric hammer | |
| CN205057966U (en) | Multi -functional electric hammer of single knob | |
| RU60034U1 (en) | POWER TAKE-OFF BOX | |
| CN201619094U (en) | Self-lock device of electric hammer | |
| CN2799987Y (en) | Horizontal eight-shaft transmission case assembly for walking tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |