CN202607626U - Electric hammer capable of realizing four functions by single knob - Google Patents
Electric hammer capable of realizing four functions by single knob Download PDFInfo
- Publication number
- CN202607626U CN202607626U CN 201220243843 CN201220243843U CN202607626U CN 202607626 U CN202607626 U CN 202607626U CN 201220243843 CN201220243843 CN 201220243843 CN 201220243843 U CN201220243843 U CN 201220243843U CN 202607626 U CN202607626 U CN 202607626U
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- China
- Prior art keywords
- shift fork
- spline
- shaft
- knob
- clutch
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Abstract
The utility model discloses an electric hammer capable of realizing four functions by a single knob. The electric hammer comprises an impacting shaft with a rack wheel, a cylinder, a motor shaft and an oscillating rod bearing, wherein the cylinder is arranged on the impacting shaft and connected with the oscillating rod bearing; the motor shaft is connected with a transmission shaft with a spline through a gear; the oscillating rod bearing and a transmission gear are respectively in clearance fit with two sides of the spline of the transmission shaft; both the oscillating rod bearing and the transmission gear are provided with splines, and the splines of the transmission shaft, the oscillating rod bearing and the transmission gear form a spline group; a clutch I and a clutch II which can move on the spline group are arranged on the spline group in a matched mode; a shifting fork I and a shifting fork II are correspondingly arranged on the two clutches and respectively connected with resetting devices, and the working part of the knob is arranged between the two shifting forks; and a rack which can move along the shaft is arranged on the shifting fork I through a shaft and a pressure spring. The electric hammer has the advantages that the electric hammer is simple in structure, light in weight, multifunctional, easy to operate and the like.
Description
Technical field
The utility model relates to a kind of electric hammer, relates in particular to a kind of electric hammer of being realized brill, hammer, hammer drill and four functions of adjusting chisel angle by single knob.
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 two 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.
The utility model content
The purpose of the utility model is to provide a kind of single knob four function electric hammers, and it realizes brill, hammer, hammer drill and four functions of adjusting chisel angle, reliable operation by single knob; To solve the problem that traditional electric hammer exists.
For reaching this purpose, the utility model adopts following technical scheme:
A kind of single knob four function electric hammers; It comprises impacting shaft, cylinder, motor shaft and the Oscillating lever bearing that gear wheel is installed, and said cylinder is located on the impacting shaft and is connected with Oscillating lever bearing, wherein; Said motor shaft connects the power transmission shaft of a splined through gear; On the said power transmission shaft in the both sides of spline matched in clearance ground socket Oscillating lever bearing and travelling gear, spline is all arranged, the spline formation spline group of said power transmission shaft, Oscillating lever bearing and travelling gear on said Oscillating lever bearing and the travelling gear; Cooperate on the said spline group and be provided with the clutch one and clutch two that can on the spline group, move; Correspondence is provided with shift fork one and all is connected with resetting means with two, two shift forks of shift fork on said two clutches, and the operate portions of knob is located between two shift forks; And said shift fork one and shift fork two include two side plates that parallel interval is arranged and an end is connected, can be provided with tooth bar along what axle moved through axle and stage clip between two side plates of said shift fork one, and said tooth bar selectively meshes and disengagement with travelling gear.
Especially, two side plates of said shift fork one and shift fork two are all not isometric, and correspondence offers through hole on two side plates, through through hole shift fork is through fixed position on the backstay.
Especially, said backstay is set to one.
Especially, said resetting means is a back-moving spring.
Especially, 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.
Especially, perforate on the corresponding position that stage clip is set on two side plates of said shift fork one, the hole that rivet passes two side plates, is assemblied in stage clip and tooth bar on the shift fork that is installed on the clutch one along its axle that moves as tooth bar.
The beneficial effect of the utility model does; Compared with prior art the utility model is through the cooperate variation of two clutches with the spline group; Power distribution control with power transmission shaft; Pass through various combination; Said clutch one selectively only with travelling gear on spline be connected, be connected with spline on the travelling gear or engagement clutch two links into an integrated entity the spline group with power transmission shaft, said clutch two only is connected with the spline of power transmission shaft selectively, is connected with the spline of power transmission shaft and Oscillating lever bearing perhaps that engagement clutch one links into an integrated entity the spline group.Produce single brill, hammer drill, single hammer and four kinds of functions of unpowered adjustment chisel angle.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; And on shift fork one, install tooth bar additional; Avoided that knob can't rotate the generation that puts in place after the tooth of the tooth of tooth bar and travelling gear blocks, thereby realized advantages such as simple, light and handy, that rapid operation is convenient.
Description of drawings
Fig. 1 is the structural representation that bores function that is in of single knob four function electric hammers of providing of the utility model specific embodiment 1;
Fig. 2 is the structural representation that is in the hammer function of single knob four function electric hammers of providing of the utility model specific embodiment 1;
Fig. 3 is the structural representation that is in the hammer drill function of single knob four function electric hammers of providing of the utility model specific embodiment 1;
Fig. 4 is the structural representation that is in chisel angle adjustment function of single knob four function electric hammers of providing of the utility model specific embodiment 1.
The specific embodiment
Further specify the technical scheme of the utility model below in conjunction with accompanying drawing and through the specific embodiment.
See also shown in Figure 1ly, Fig. 1 is the structural representation that bores function that is in of single knob four function electric hammers of providing of the utility model specific embodiment 1;
In the present embodiment; A kind of single knob four function electric hammers comprise impacting shaft 14, cylinder 19, motor shaft 1 and the Oscillating lever bearing 3 that gear wheel 15 is installed; Said cylinder 19 is located on the impacting shaft 14 and is connected with Oscillating lever bearing 3; Said motor shaft 1 connects the power transmission shaft 17 of a splined through pinion 2; On the said power transmission shaft 17 in the both sides of spline matched in clearance ground socket Oscillating lever bearing 3 and travelling gear 13; On said Oscillating lever bearing 3 and the travelling gear 13 spline is arranged all; The spline of said power transmission shaft 17, Oscillating lever bearing 3 and travelling gear 13 constitutes the spline group, cooperates on the said spline group to be provided with the clutch 1 and clutch 2 18 that can on the spline group, move, and correspondence is provided with shift fork 1 and shift fork 26 on said clutch 1 and the clutch 2 18; Said shift fork 1 comprises two side plates that parallel interval is arranged and an end is connected with shift fork 26; Said two side plates do not wait high, and correspondence offers through hole between the two, through through hole shift fork is through on the backstay 4 with the fixed position; And said shift fork 1 and shift fork 26 both with backstay 4 between corresponding installation back-moving spring 1 and back-moving spring 25; Under the effect of shift fork 1 and shift fork 26, said clutch 1 selectively only with travelling gear 13 on spline is connected, is connected perhaps with power transmission shaft 17 and spline on the travelling gear 13 that engagement clutch 2 18 links into an integrated entity the spline group, said clutch 2 18 only is connected with the spline of power transmission shaft 17 selectively, is connected with the spline of power transmission shaft 17 and Oscillating lever bearing 3 perhaps that engagement clutch 1 links into an integrated entity the spline group.
The operate portions of knob 7 is set between said shift fork 1 and the shift fork 26; The operate portions of said knob 7 is that a two is semicircular long round body, and pivot is located at one of them semicircular center of circle, forms eccentric rod, through rotating 7 knobs, just can carry out displacement to clutch 1 and clutch 2 18 through the variable in distance of eccentric rod.
Also be provided with tooth bar 10 on the said shift fork 1; Said tooth bar 10 selectively meshes with travelling gear under the effect of shift fork 1 and throws off; Between two side plates of said shift fork 1 tooth bar stage clip 9 is set; And corresponding to perforate on two side plates that tooth bar stage clip 9 positions are set, the hole that rivet 11 passes two side plates is assemblied in tooth bar stage clip 9 and tooth bar 10 and is installed on the shift fork 1, after the tooth of the tooth of tooth bar 10 and travelling gear 13 blocks; Rely on the compression of tooth bar stage clip 9, knob 7 still can rotate and put in place.
When electric hammer is implemented to bore function: the spline that clutch 1 connects on power transmission shaft 17 and the travelling gear 13, clutch 2 18 only connects power transmission shaft 17 simultaneously; The power of motor shaft 1 arrives power transmission shaft 17 through pinion 2 with transmission of power, and this moment, Oscillating lever bearing 3 was not connected to the power transmission shaft 17 with power owing to clutch 2 15, and did not have power, and Oscillating lever bearing 3 is failure to actuate, and cylinder 19 also is failure to actuate.Clutch 1 connects the spline of travelling gear 13 and the spline of power transmission shaft 17, and travelling gear 13 obtains the power rotation, through the engagement of gear wheel 15, makes impacting shaft 14 pure rotations, realizes boring function.
Moving of clutch 1 and clutch 2 18; Be that the shift fork 1 that relies on knob 7 to promote to be fixed on above the backstay 4 is accomplished with shift fork 26, and in the present embodiment, shift fork 1 is through on the backstay 4 with shift fork 26; Two sections back-moving springs 1 are through on the backstay 4 with back-moving spring 25 and withstand shift fork; Let them toward the middle application of force, in this function, the tooth bar 10 that is fixed on above the shift fork 1 is not participated in work.
See also shown in Figure 2ly, Fig. 2 is the structural representation that is in the hammer function of single knob four function electric hammers of providing of the utility model specific embodiment 1; When electric hammer is implemented the hammer function: through rotation knob 7; Promote shift fork 1 and shift fork 26, let being connected of spline of spline that clutch 1 throws off power transmission shafts 17 and travelling gear 13, the clutch 2 15 of rear end is connected the spline of power transmission shaft 17 with the spline of Oscillating lever bearing 3; Oscillating lever bearing 3 obtains power; Drive impacting shaft 14 through cylinder 19 and move axially generation hammering action, gear wheel 15 does not have power, and impacting shaft 14 does not rotate.And be fixed on tooth bar 10 and travelling gear 13 engagements on the shift fork 1 of front end this moment, limits it and rotate, impacting shaft 14 stressed freely rotating when can avoid hammering, the accuracy of raising hammering.
See also shown in Figure 3ly, Fig. 3 is the structural representation that is in the hammer drill function of single knob four function electric hammers of providing of the utility model specific embodiment 1; When electric hammer was implemented the hammer drill function: this moment, clutch 1 linked into an integrated entity with the spline of clutch 2 18 with power transmission shaft 17, travelling gear 13 and Oscillating lever bearing 3 these threes simultaneously; Oscillating lever bearing 3 is all dynamic with travelling gear 13; All work; Cause the rotation and the axially-movable of impacting shaft 14, implement the hammer drill function.
See also shown in Figure 4ly, Fig. 4 is the structural representation that is in chisel angle adjustment function of single knob four function electric hammers of providing of the utility model specific embodiment 1.When electric hammer was implemented chisel angle adjustment function: clutch 1 was thrown off the spline of travelling gear 13 and the spline of power transmission shaft 17 is thrown off, and causes impacting shaft 14 freely to rotate, and is convenient to regulate the chisel angle.This hour rack 10 is engaged transmission gear 13 not also.
Above embodiment has just set forth the basic principle and the characteristic of the utility model; The utility model is not limited by above-mentioned example; Under the prerequisite that does not break away from the utility model spirit and scope; The utility model also has various variations and change, and these variations and change all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. single knob four function electric hammers; It comprises impacting shaft, cylinder, motor shaft and the Oscillating lever bearing that gear wheel is installed, and said cylinder is located on the impacting shaft and is connected with Oscillating lever bearing, it is characterized in that; Said motor shaft connects the power transmission shaft of a splined through gear; On the said power transmission shaft in the both sides of spline matched in clearance ground socket Oscillating lever bearing and travelling gear, spline is all arranged, the spline formation spline group of said power transmission shaft, Oscillating lever bearing and travelling gear on said Oscillating lever bearing and the travelling gear; Cooperate on the said spline group and be provided with the clutch one and clutch two that can on the spline group, move; Correspondence is provided with shift fork one and all is connected with resetting means with two, two shift forks of shift fork on said two clutches, and the operate portions of knob is located between two shift forks; And said shift fork one and shift fork two include two side plates that parallel interval is arranged and an end is connected, can be provided with tooth bar along what axle moved through axle and stage clip between two side plates of said shift fork one, and said tooth bar selectively meshes and disengagement with travelling gear.
2. single knob four function electric hammers according to claim 1 is characterized in that, two side plates of said shift fork one and shift fork two are all not isometric, and correspondence offers through hole on two side plates, through through hole shift fork is through fixed position on the backstay.
3. single knob four function electric hammers according to claim 2 is characterized in that, said backstay be set to one.
4. single knob four function electric hammers according to claim 1 is characterized in that said resetting means is a back-moving spring.
5. single knob four function electric hammers according to claim 1 is characterized in that, 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.
6. single knob four function electric hammers according to claim 1; It is characterized in that; Perforate on the corresponding position that stage clip is set on two side plates of said shift fork one; The hole that rivet passes two side plates, is assemblied in stage clip and tooth bar on the shift fork that is installed on the clutch one along its axle that moves as tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220243843 CN202607626U (en) | 2012-05-28 | 2012-05-28 | Electric hammer capable of realizing four functions by single knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220243843 CN202607626U (en) | 2012-05-28 | 2012-05-28 | Electric hammer capable of realizing four functions by single knob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202607626U true CN202607626U (en) | 2012-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220243843 Expired - Lifetime CN202607626U (en) | 2012-05-28 | 2012-05-28 | Electric hammer capable of realizing four functions by single knob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202607626U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105102190A (en) * | 2013-04-03 | 2015-11-25 | 罗伯特·博世有限公司 | Tool attachment for a hand-held power tool |
| CN106041834A (en) * | 2016-06-21 | 2016-10-26 | 刘志斌 | Electric tool and mode switching structure thereof |
| 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 |
| CN107891402A (en) * | 2018-01-03 | 2018-04-10 | 尚才平 | The gearshift of three function electric hammer |
-
2012
- 2012-05-28 CN CN 201220243843 patent/CN202607626U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105102190A (en) * | 2013-04-03 | 2015-11-25 | 罗伯特·博世有限公司 | Tool attachment for a hand-held power tool |
| CN105102190B (en) * | 2013-04-03 | 2018-10-16 | 罗伯特·博世有限公司 | Attachment for hand held power machine |
| US10259111B2 (en) | 2013-04-03 | 2019-04-16 | Robert Bosch Gmbh | Tool attachment for a hand-held power tool |
| CN106041834A (en) * | 2016-06-21 | 2016-10-26 | 刘志斌 | Electric tool and mode switching structure thereof |
| 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 |
| CN107891402A (en) * | 2018-01-03 | 2018-04-10 | 尚才平 | The gearshift of three function electric hammer |
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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: 20121219 |
|
| CX01 | Expiry of patent term |