CN105291058B - Multi-functional power tool - Google Patents
Multi-functional power tool Download PDFInfo
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- CN105291058B CN105291058B CN201410304174.7A CN201410304174A CN105291058B CN 105291058 B CN105291058 B CN 105291058B CN 201410304174 A CN201410304174 A CN 201410304174A CN 105291058 B CN105291058 B CN 105291058B
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- power tool
- input shaft
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Abstract
The invention discloses a multi-functional power tool. The multi-functional power tool comprises an outer shell, a prime motor and an executing accessory. A transmission mechanism comprises an input shaft, a transmission bearing, a shifting fork and an output shaft; the executing accessory is mounted on the output shaft and can swing under the driving of the output shaft; the end, close to the shifting fork, of the input shaft is provided with a cylindrical mounting end; a limiting part is formed at the mounting end of the input shaft; the cylindrical rotating axis of the mounting end is eccentrically arranged relative to the pivoting axis of the input shaft; an elastic element which enables the transmission bearing to bias and move towards the shifting fork is arranged between the transmission bearing and the limiting part of the transmission mechanism. The multi-functional power tool has the beneficial effects that by automatically compensating and adjusting the position of the transmission bearing impacted and transmitted, the transmission bearing can keep matched with the contact surface of the shifting fork all the time, noise and vibration worsening caused by increase of fit clearance is reduced, and therefore, the operation of the multi-functional power tool is smoother and the service life of the multi-functional power tool is prolonged.
Description
Technical field
The present invention relates to a kind of power tool, and in particular to one kind makes removable execution adnexa swing implementation tool function
Multiplex power tool.
Background technology
In power tool field, there is a kind of multiplex power tool, its prime mover drives the eccentric shaft of an output torque
Impact shift fork, swings removable execution adnexa, and then according to the specific tool construction implementation tool function of execution adnexa.
Now problem is, because whole transmission is all to perform adnexa by impact shift fork drive to swing, to perform adnexa high frequency
Swing, so cause vibration larger, and coordinate between impact structure not tight, generation gap as brings in impact, with gap
Increase, impact force between the two is dramatically increased, this will cause a series of problems, such as noise, vibration deterioration, structural failure.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide one kind can compensate for the caused shadow because of impact
Loud multiplex power tool.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of multiplex power tool, including：Shell, prime mover, drive mechanism and the execution adnexa that can be changed, prime mover sets
Put in shell, drive mechanism includes：One is pivoted so as to the input of drive mechanism input torque by prime mover driven
Shift fork that the driven bearing of axle, drive bearing, energy drives and then swings, one driven by shift fork and rotated it is defeated
Shaft；Perform adnexa to be arranged on output shaft and lower swing can be driven at it；Input shaft is provided with a circle in the one end near shift fork
The mounting end of cylinder, input shaft is formed with a limiting section in mounting end, and the axis of rotation of mounting end cylinder is relative
The pivot axis eccentric setting of input shaft, drive bearing includes：One has the bearing outer ring of spherical configuration, can be enclosed within installation end
Portion simultaneously can thereon along the bearing inner race slided parallel to input shaft pivot axis direction；Drive mechanism is in drive bearing and limit
One is provided between the portion of position can the biased drive bearing flexible member that its gap direction produced between shift fork is moved to compensation.
Further, shift fork include two symmetrically arranged pusher dogs, pusher dog be provided with can contact with bearing outer ring and with input
Axle pivot axis incline intersecting contact surface.
Further, a reinforcement connecting rod is provided between pusher dog.
Further, the spacing back-up ring that can limit drive bearing position is additionally provided with the mounting end of input shaft.
Further, pivot center of the pivot axis of input shaft perpendicular to output shaft.
Further, drive mechanism also includes：Input shaft can be made to constitute with shell and to rotate the first spring bearing group being connected.
Further, drive mechanism also includes：Output shaft can be made to constitute with shell and to rotate the second spring bearing group being connected.
Further, flexible member is a helical spring being sleeved on input shaft；Prime mover is motor.
Further, execution adnexa sets serrate slitting saw-blade, side and sets serrate cast-cutting saw slice, is provided with for front end
One or more in sanding disk, section, grinding disc, the cutter in sanding face.
The invention has benefit that：Compensated automatically and adjusted by the position of the drive bearing to impact transmission
It is whole so as to ensure to coordinate all the time with the contact surface of shift fork, reduce because fit clearance increases the evil of caused noise and vibration
Change, make the multiplex power tool operation of the present invention more smooth and improve service life.
Description of the drawings
Fig. 1 is the structural representation of a preferred embodiment in multiplex power tool of the invention；
Fig. 2 is part-structure schematic diagram in embodiment illustrated in fig. 1.
Specific embodiment
Make specific introduction to the present invention below in conjunction with the drawings and specific embodiments.
Multiplex power tool 100 shown in seeing figures.1.and.2 includes：Shell 10, prime mover 20, drive mechanism 30 and hold
Row adnexa 40.
Wherein, shell 10 is used to accommodate prime mover 20 and section transmission mechanism 30, and prime mover 20 is used to drive driver
Structure 30 makes it drive execution adnexa 40 to move with implementation tool function.Performing adnexa 40 can be removable and replaceable.
Used as a kind of preferred version, prime mover 20 is motor, and it passes through battery bag（Not shown in figure）Or external electricity
Source obtains electric energy so as to realize the output of electric energy.
Used as a kind of preferred version, execution adnexa 40 sets serrate slitting saw-blade, side and sets serrate cutting for front end
Sawing piece, one or more being provided with sanding disk, section, grinding disc, the cutter in sanding face.Adnexa 40 is performed except realizing work
Beyond the structure of tool function, it should also be formed with can be with the adapter structure of the mounting adaptation of drive mechanism 30, such as energy as shown in Figure 1
It is used for the mating hole being threadedly coupled（Do not identify in figure）, a threaded interior hole 341, a locking spiral shell are provided with output shaft 34
Bolt 342 is installed by realizing through the mating hole precession threaded interior hole 341 for performing adnexa 40, and adnexa 4 is performed certainly can also be set
Putting other can constitute the fast clamping structure of installation with output shaft 34.
Drive mechanism 30 includes：The driven bearing 32 of one energy of drive bearing 32, of input shaft 31, drive into
And the 33, output shaft 34 for being driven and being rotated by shift fork 33 of shift fork for swinging；Input shaft 31 can draw the power of prime mover 20
Enter drive mechanism 30, it is pivoted under the driving of prime mover 20, perform adnexa 40 and be arranged on output shaft 34 and can be under its driving
Swing.
In order to the position for realizing to drive bearing 32 is compensated automatically and is adjusted so as to all the time can be with the contact of shift fork 33
Face 331a ensures to coordinate, and input shaft 31 is being provided with the mounting end 311 of a cylinder, input shaft 31 near one end of shift fork 33
A limiting section 312 is formed with mounting end 311, the axis of rotation 311a of the cylinder of mounting end 311 is with respect to input shaft 31
Pivot axis 31a eccentric settings, drive bearing 32 includes：One bearing outer ring with spherical configuration（Not shown in figure）、
Can be enclosed within mounting end 311 and can thereon along parallel to the pivot axis direction of input shaft 31 slide bearing inner race（In figure not
Illustrate）；Drive mechanism 30 is provided with an energy biased drive bearing 32 between drive bearing 32 and limiting section 312 and makes it to contracting
The flexible member 35 that the outer rim of little drive bearing 32 is moved with the direction of the contact surface 331a of shift fork 33.Preferably, flexible member
35 is a helical spring being sleeved on input shaft 31.
So, flexible member 35 always drives drive bearing 32 to move to the direction of shift fork 33, even if so
When the bearing outer ring of drive bearing 32 gap occurs with the cooperation between shift fork 33, flexible member 35 moves drive bearing 32
It is dynamic to compensate, reduce because fit clearance increases the deterioration of caused noise and vibration, make the multiplex power tool of the present invention
Operation is more smooth and improves service life.Preferably, the intensity and service life in order to improve shift fork 33, pusher dog 331
Between be provided with a reinforcement connecting rod 332.
Used as a kind of preferred version, shift fork 33 includes two symmetrically arranged pusher dogs 331, and pusher dog 331 is provided with energy and bearing
The contact surface 331a that outer ring contacts and intersects with the pivot axis 31a of input shaft 31 inclinations.The setting of contact surface 331a makes power transmission shaft
Hold 32 movements vertically and also can compensate for the pivot axis 31a of input shaft 31 size gaps radially.
As a kind of preferred version, in order that drive bearing 32 is moved in set scope, the mounting end of input shaft 31
Being additionally provided with 311 can limit the spacing back-up ring 313 of the position of drive bearing 32.
Preferably, in order that input shaft 31 and output shaft 34 are arranged in shell 10, drive mechanism 30 also includes：
Can make input shaft 31 and shell 10 constitute rotate be connected the first spring bearing group 36, output shaft 34 and shell 10 can be made to constitute turn
Second spring bearing group 37 of dynamic connection.First spring bearing group 36 includes two rolling bearings 361,362, the second spring bearing
Group 37 includes two rolling bearings 371,372.As further, preferably, the pivot axis 31a of input shaft 31 is perpendicular to output
The pivot center 34a of axle 34.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (10)
1. a kind of multiplex power tool, including：Shell, prime mover, drive mechanism and the execution adnexa that can be changed, described prime mover
Arrange in the housing, the drive mechanism includes：One is pivoted so as to the transmission by the prime mover driven
Shift fork that the input shaft of mechanism's input torque, drive bearing, energy are subject to the drive bearing to drive and then swing, one
The individual output shaft for being driven and being rotated by the shift fork；The execution adnexa is arranged on the output shaft and can drive the bottom at it
It is dynamic；Characterized in that, the input shaft is in the mounting end that a cylinder is provided near one end of the shift fork, the input
Axle is formed with a limiting section in the mounting end, the relatively described input shaft of axis of rotation of the mounting end cylinder
Pivot axis eccentric setting, the drive bearing includes：One has the bearing outer ring of spherical configuration, can be enclosed within the installation end
Portion simultaneously can thereon along the bearing inner race slided parallel to the input shaft pivot axis direction；The drive mechanism is in the biography
Be provided between dynamic bearing and the limiting section one can bias the drive bearing to compensate its produced between the shift fork
The flexible member of the direction movement in raw gap.
2. multiplex power tool according to claim 1, it is characterised in that the shift fork includes two symmetrically arranged group
Pawl, the pusher dog is provided with can incline the contact surface for intersecting with bearing outer ring contact and with the input shaft pivot axis.
3. multiplex power tool according to claim 2, it is characterised in that a reinforcement connecting rod is provided between the pusher dog.
4. multiplex power tool according to claim 1, it is characterised in that at the mounting end of the input shaft also
Being provided with can limit the spacing back-up ring of the drive bearing position.
5. multiplex power tool according to claim 1, it is characterised in that the pivot axis of the input shaft are perpendicular to institute
State the pivot center of output shaft.
6. multiplex power tool according to claim 1, it is characterised in that the drive mechanism also includes：Can make described
Input shaft is constituted with the shell and rotates the first spring bearing group being connected.
7. multiplex power tool according to claim 1, it is characterised in that the drive mechanism also includes：Can make described
Output shaft is constituted with the shell and rotates the second spring bearing group being connected.
8. the multiplex power tool according to claim 1 to 7 any one, it is characterised in that the flexible member is
The helical spring being sleeved on the input shaft.
9. the multiplex power tool according to claim 1 to 7 any one, it is characterised in that described prime mover is motor.
10. the multiplex power tool according to claim 1 to 7 any one, it is characterised in that the execution adnexa is front
End sets the sanding disk that serrate slitting saw-blade, side set serrate cast-cutting saw slice, be provided with sanding face, section, grinding disc, cuts
One or more in knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304174.7A CN105291058B (en) | 2014-06-30 | 2014-06-30 | Multi-functional power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304174.7A CN105291058B (en) | 2014-06-30 | 2014-06-30 | Multi-functional power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291058A CN105291058A (en) | 2016-02-03 |
| CN105291058B true CN105291058B (en) | 2017-04-19 |
Family
ID=55189228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410304174.7A Active CN105291058B (en) | 2014-06-30 | 2014-06-30 | Multi-functional power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291058B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396545A (en) * | 2018-11-30 | 2019-03-01 | 张家港市创基机械设备制造有限公司 | Electric swing saw |
| CN112536767A (en) * | 2019-09-20 | 2021-03-23 | 南京德朔实业有限公司 | Multifunctional electric tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10356068A1 (en) * | 2003-12-01 | 2005-06-23 | Robert Bosch Gmbh | Hand tool |
| DE102004059331B4 (en) * | 2004-12-09 | 2021-02-18 | Robert Bosch Gmbh | Hand machine tool with a clutch |
| TW200930513A (en) * | 2008-01-11 | 2009-07-16 | Kabo Tool Co | Structure of tooth-shaped part of tool |
| CN102022446A (en) * | 2009-09-15 | 2011-04-20 | 郑长安 | Coupler with overload protection function |
| CN102019610B (en) * | 2009-09-22 | 2013-07-31 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN203993814U (en) * | 2014-06-30 | 2014-12-10 | 南京德朔实业有限公司 | Multiplex power tool |
-
2014
- 2014-06-30 CN CN201410304174.7A patent/CN105291058B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105291058A (en) | 2016-02-03 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
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