CN102447344A - Swing-type power tool - Google Patents
Swing-type power tool Download PDFInfo
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- CN102447344A CN102447344A CN2010105115732A CN201010511573A CN102447344A CN 102447344 A CN102447344 A CN 102447344A CN 2010105115732 A CN2010105115732 A CN 2010105115732A CN 201010511573 A CN201010511573 A CN 201010511573A CN 102447344 A CN102447344 A CN 102447344A
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- elastic component
- power tool
- output shaft
- stator
- swing power
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Abstract
The invention provides a swing-type power tool. The swing-type power tool comprises a shell, a motor arranged in the shell, an eccentric transmission mechanism driven by the motor, and an output shaft which is driven by the eccentric transmission mechanism to swing back and forth around an axis of the shaft, wherein, a support is connected on the output shaft; and elastic components are arranged between the support and the shell. The swing-type power tool provided by the invention has the beneficial effects that by virtue of the action of the elastic components, vibration generated by the output shaft can be effectively absorbed so as to improve operation comfortability.
Description
Technical field
The present invention relates to a kind of power tool, especially a kind of swing class power tool of hand-hold type.
Background technology
Multi Role Aircraft is the common swing class power tool of industry, because its output shaft is done rotational oscillating motion around axial line.Therefore, after different annex working heads is being installed on the output shaft, can realize multiple different operation function, as sawing, cut, grind, scrape etc., to adapt to the different working demand.
Comparatively common in the market Multi Role Aircraft generally comprises motor, and the motor drive shaft of motor is connected with cam pin, on cam pin, is arranged with bearing, thereby constitutes an eccentric wheel structure.When motor drive shaft rotated, eccentric wheel structure can be done off-centre around the axial line of motor drive shaft and rotatablely move.The output shaft of Multi Role Aircraft is perpendicular to the motor drive shaft setting, on output shaft, has been fixedly coupled a pull-fork assembly, and pull-fork assembly is formed with two relative adjutages; Eccentric wheel structure is surrounded; Two adjutages inboard all with eccentric wheel structure in bearing closely contact, thereby when eccentric wheel was done off-centre and rotated, eccentric wheel structure can drive the oscillating motion on the shift fork generation horizontal direction; By being fixedly connected of shift fork and output shaft, making output shaft center on its axial line and do rotary oscillation again.Like this, after the free end of output shaft was connected with different annex working heads, like straight blade, saw blade, triangle frosted dish etc., Multi Role Aircraft promptly can be realized multiple operation.
But; Because in eccentric wheel structure, cam pin is set for the eccentric, in whole motion process; Inevitably can produce bigger vibrations because of wobbler action, this vibrations can act on the eccentric wheel structure always and receive on the pull-fork assembly of eccentric wheel driving.Therefore, feel, be unfavorable for that the user uses, also be harmful to user's hand health if the user under the situation of long-time use Multi Role Aircraft, can produce bigger numb feel.
Therefore, be necessary to develop a kind of new swing power tool in fact, to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of swing power tool, can effectively reduce the vibrations that output shaft produces.
For realizing above-mentioned purpose; The technical scheme that the present invention adopted is following: a kind of swing power tool; Comprise housing, be arranged on motor in the said housing, by said motor-driven eccentric drive mechanism, and the output shaft that drives and do oscillating traverse motion by said eccentric drive mechanism around himself axis.Wherein, connect support on the said output shaft, be provided with elastic component between said support and the said housing.
Preferably, there is spacing between the axis of the center line of said elastic component and said output shaft.
Preferably; Said elastic component is divided into first elastic component and second elastic component; Said support has the first side wall relative with housing and second sidewall; Said first elastic component and second elastic component are separately positioned between said the first side wall, second sidewall and the said housing, and said first elastic component and second elastic component push said support in the opposite direction.
Preferably, said support comprises ring portion that is set on the output shaft and the supporting base that extends perpendicular to the direction of said output shaft from said ring portion edge.
Preferably, the said the first side wall and second sidewall are located at the both sides of said supporting base, are respectively equipped with the location division that cooperates with said first elastic component and second elastic component on the said the first side wall and second sidewall.
Preferably, said first elastic component and second elastic component are symmetric arrangement with respect to said support.
Preferably, said housing is provided with first stator and second stator, and said first elastic component and second elastic component connect with said first stator and second stator respectively.
Preferably, all convex with the boss that is used for installing respectively first elastic component and second elastic component on said first stator and second stator.
Preferably, said head capsule is provided with two accepting grooves, and said first stator and second stator are housed in respectively in the corresponding said accepting groove.
Preferably, said flexible member is spring, shell fragment or rubber blanket.
Swing power tool among the present invention; Because support is set on output shaft; And between support and housing, be provided for the elastic component of damping, thus the vibrations that can effectively absorb on the output shaft to be produced, and then the vibrations that output shaft is passed on the housing obviously weaken; Improve the user greatly and in use shaken numb hand problem, improved the comfort level of operation.
Description of drawings
The schematic perspective view of the swing power tool that Fig. 1 provides for embodiment of the present invention;
Fig. 2 is the vertical view of swing power tool shown in Figure 1;
Fig. 3 is the part cross-sectional schematic of swing power tool shown in Figure 2 along the A-A direction;
Fig. 4 is the cross-sectional schematic of the head capsule part of swing power tool shown in Figure 1;
Fig. 5 is the decomposing schematic representation of head capsule part shown in Figure 4;
Fig. 6 is the cross-sectional schematic after head capsule part shown in Figure 4 is but removed shift fork;
Fig. 7 is the cross-sectional schematic of head capsule part shown in Figure 6 along the B-B line.
Related elements reference numeral in the diagram is following:
100, swing power tool 1, housing 11, body housing
13, head capsule 121, first accepting groove 122, second accepting groove
13, host cavity 14, first stator 141, first boss
15, second stator 151, second boss 2, output shaft
3, motor 4, motor shaft 5, eccentric drive mechanism
6, shift fork 61, sleeve pipe 62, forked portion
621, adjutage 7, offset assembly 71, eccentric shaft
72, driving wheel 8, support 81, ring portion
811, first surface 82, supporting base 821, the first side wall
822, second sidewall 823, first location division 824, second location division
825, second surface 83, first elastic component 84, second elastic component
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description.
See also Fig. 1, Fig. 2 and Fig. 3, a kind of swing power tool, especially a kind of swing power tool 100 of hand-hold type, the output shaft 2 that comprises housing 1 and in housing 1, extend.Wherein, housing 1 comprises body housing 11 and head capsule 12, and the two links together through bolt and is formed with host cavity 13.Be provided with motor 3 in the body housing 11 and, be provided with the eccentric drive mechanism 5 between motor shaft 4 and output shaft 2 in the head capsule 12 by the motor shaft 4 of motor 3 driven in rotation.Motor shaft 4 is approximately perpendicular to output shaft 2, through eccentric drive mechanism 5, converts the rotation of motor shaft 4 the rotation reciprocally swinging of output shaft 2 around its axis X into.After the free end of output shaft 2 is connected with a different working annex,, promptly can realize operations such as cutting or grinding like straight blade, saw blade, triangle frosted dish etc.In this execution mode, the output shaft 2 terminal working head annexes that connect are straight blade 9.
Please consult Fig. 3, Fig. 4 and Fig. 5 simultaneously; Eccentric drive mechanism 5 is arranged in the host cavity 13 of housing 1; It comprises shift fork 6 and is connected the offset assembly 7 on the motor shaft 4 that wherein offset assembly 7 comprises the eccentric shaft 71 that is connected on the motor shaft 4 and is installed in the driving wheel 72 on the eccentric shaft 71.One end of shift fork 6 is connected the top of output shaft 2, and its other end matches with offset assembly 7.Shift fork 6 comprises that the sleeve pipe 61 that is set on the output shaft 2 reaches from sleeve pipe 61 tops vertically towards motor shaft 4 horizontally extending forked portion 62.In this execution mode, driving wheel 72 is for having ball bearing, and it has with the forked portion 62 of shift fork 6 and cooperates spherical outer surface.Eccentric shaft 71 and motor shaft are eccentric to be connected, and promptly the axis of eccentric shaft 71 does not overlap with the axis of motor shaft 4, and radial deflection certain between crouch.The free end of the forked portion 62 of shift fork 6 is formed with the adjutage 621 that roughly is the U type, and these two adjutages 621 are coated on the both sides of driving wheel 72 and closely sliding contact.
When motor 3 drive motors axles 4 rotate, the eccentric axis rotation of 41 relative motor shafts 4 under the drive of motor shaft 4 of eccentric shaft, and then the eccentric axis rotation of drive offset assembly 7 relative motor shafts 4.When offset assembly 7 eccentric rotations,, drive output shaft 2 further around himself axis X rotation reciprocally swinging with the axis X rotation reciprocally swinging that drives shift fork 6 relative output shafts 2.
The swing power tool 100 further be provided with the support 8 that is installed on the output shaft 2 and be arranged on support 8 and housing 1 between first elastic component 83 and second elastic component 84.First elastic component 83 and second elastic component 84; Can effectively absorb the vibrations that produced on the output shaft 2; And then the vibrations that output shaft 2 is passed on the head capsule 12 obviously weaken, and improve the user greatly and in use shake numb hand problem, improve the comfort level of operation.
The both sides of supporting seat 82 have the symmetrically arranged the first side wall 821 and second sidewall 822, extend outward cylindric first location division 823 and second location division 824 on the first side wall 821 and second sidewall 822 respectively.Offer on the inwall of the host cavity 13 of head capsule 12 to be equipped with in first stator, 14, the second accepting grooves 122 in first accepting groove 121 that is oppositely arranged and second accepting groove, 122, the first accepting grooves 121 second stator 15 is installed.First elastic component 83 is assemblied between the supporting seat 82 of first stator 14 and support 8, and second elastic component 84 then is assemblied between the supporting seat 82 of second stator 15 and support 8.
In this execution mode, first stator 14 and second stator 15 are extended with cylindric first boss 141 and second boss 151 respectively in host cavity 13.The two ends of first elastic component 83 are respectively against the first side wall 821 of first stator 14 and supporting seat 82, and are set in respectively on first location division 823 of first boss 141 and supporting seat 82 of first stator 14; The two ends of second elastic component 84 are respectively against second sidewall 822 of second stator 15 and supporting seat 82, and are set in respectively on second location division 824 of second boss 151 and supporting seat 82 of second stator 14.Through first boss 141, second boss 151, first location division 823 and second location division 824 are set, can position first elastic component 83 and second elastic component 84, two elastic components 83,84 stably are fixed between head capsule 12 and the support 8.The two ends of first elastic component 83 and second elastic component 84 all are processed as the plane, so that cooperate with other element better.
See also Fig. 1, Fig. 4 and Fig. 5, through the support 8 near shift fork 6 is set, and first elastic component 83 and second elastic component 84 are set between support 8 and housing on output shaft 2.When swinging power tool 100 in work, when motor 3 rotated reciprocally swingings through eccentric drive mechanism 5 through driving output shaft 2, output shaft 2 can drive supports 8 rotation reciprocally swingings.When output shaft 2 turned clockwise, support 8 was through supporting seat 82 compressions first elastic component 83; When output shaft 2 was rotated counterclockwise, 8 on support passed through supporting seat 82 compressions second elastic component 84.
The mating reaction meeting of shift fork 6 and offset assembly 7 causes the vibrations of whole swing power tool 100 in the eccentric drive mechanism 5; When specifically being offset assembly 7 rotations; At interval two opposite effect power are applied on the shift fork 6 through eccentric wheel 72, thereby make shift fork 6 produce reciprocally swinging; Shift fork 6 then can be applied to certain function power on the head capsule 12 through output shaft 2, thereby makes whole swing power tool 100 produce vibrations.And through first elastic component 83 and second elastic component 84 are set; It is elongated to make support 8 be applied to momentum time of head capsule 12; Thereby the active force that affacts on the head capsule 12 reduces; Thereby the vibrations that make whole swing power tool 100 are absorbed and weaken, and have improved the user greatly and have in use shaken numb hand problem, have improved user's operational comfort.
In this execution mode, first elastic component 83 and second elastic component 84 all adopt spring, and the center line of two elastic components coincides and perpendicular to the axis of output shaft 2.Because two elastic components are mounted on the support 8 that extends output shaft 2 certain distances, so be separated with certain distance between between the axis of the center line of two elastic components and output shaft 2.Through above setting, first elastic component 83 and second elastic component 84 are on the swaying direction of output shaft 2, thereby can play better damping effect.
It is to be noted; Two independent first elastic components 83 and second elastic component 84 that are provided with of elastic component of the present invention in being set to above-mentioned execution mode; Also can only adopt an independent elastic component, the two ends of this elastic component are against respectively on the housing, and support connects at the middle part of elastic component and gets final product.And the center line of elastic component also is not limited to the axis normal with output shaft, also can be angled being obliquely installed.In addition, the spring of elastic component in adopting above-mentioned execution mode, can also adopt other flexible member that can realize equivalent effect, like shell fragment, rubber blanket etc.
Claims (10)
1. swing power tool for one kind; Comprise housing, be arranged on motor in the said housing, by said motor-driven eccentric drive mechanism; And the output shaft that drives and do the rotation oscillating traverse motion by said eccentric drive mechanism around himself axis; It is characterized in that: connected support on the said output shaft, be provided with elastic component between said support and the said housing.
2. swing power tool as claimed in claim 1 is characterized in that: have spacing between the center line of said elastic component and the axis of said output shaft.
3. swing power tool as claimed in claim 1; It is characterized in that: said elastic component is divided into first elastic component and second elastic component; Said support has the first side wall relative with housing and second sidewall; Said first elastic component and second elastic component are separately positioned between said the first side wall, second sidewall and the said housing, and said first elastic component and second elastic component push said support in the opposite direction.
4. swing power tool as claimed in claim 2 is characterized in that: said support comprises ring portion that is set on the output shaft and the supporting base that extends perpendicular to the direction of said output shaft from said ring portion edge.
5. swing power tool as claimed in claim 3; It is characterized in that: the said the first side wall and second sidewall are located at the both sides of said supporting base, are respectively equipped with the location division that cooperates with said first elastic component and second elastic component on the said the first side wall and second sidewall.
6. swing power tool as claimed in claim 1 is characterized in that: said first elastic component and second elastic component are symmetric arrangement with respect to said support.
7. swing power tool as claimed in claim 1 is characterized in that: said housing is provided with first stator and second stator, and said first elastic component and second elastic component connect with said first stator and second stator respectively.
8. swing power tool as claimed in claim 6 is characterized in that: all convex with the boss that is used for installing respectively first elastic component and second elastic component on said first stator and second stator.
9. swing power tool as claimed in claim 6 is characterized in that: said head capsule is provided with two accepting grooves, and said first stator and second stator are housed in respectively in the corresponding said accepting groove.
10. swing power tool as claimed in claim 1 is characterized in that: said flexible member is spring, shell fragment or rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511573.2A CN102447344B (en) | 2010-10-01 | 2010-10-01 | Swing-type power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511573.2A CN102447344B (en) | 2010-10-01 | 2010-10-01 | Swing-type power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102447344A true CN102447344A (en) | 2012-05-09 |
| CN102447344B CN102447344B (en) | 2014-04-16 |
Family
ID=46009541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010511573.2A Active CN102447344B (en) | 2010-10-01 | 2010-10-01 | Swing-type power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102447344B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810963A (en) * | 2014-01-24 | 2015-07-29 | 苏州宝时得电动工具有限公司 | Blowing and sucking machine |
| CN107233029A (en) * | 2016-03-29 | 2017-10-10 | 泰金宝电通股份有限公司 | Electronic face washer |
| CN114131564A (en) * | 2015-02-15 | 2022-03-04 | 苏州宝时得电动工具有限公司 | Power tool |
Citations (6)
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| US6421922B2 (en) * | 1998-12-21 | 2002-07-23 | Braun Gmbh | Power driven hair clipper |
| CN2623385Y (en) * | 2003-04-01 | 2004-07-07 | 宁波环球电机有限公司 | Bi-velocity heavy electric drill |
| CN101088712A (en) * | 2006-06-16 | 2007-12-19 | 罗伯特·博世有限公司 | Hand power tool |
| CN201511354U (en) * | 2009-09-22 | 2010-06-23 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN201529978U (en) * | 2009-09-22 | 2010-07-21 | 苏州宝时得电动工具有限公司 | Oscillating power tool |
| CN201821205U (en) * | 2010-10-01 | 2011-05-04 | 苏州宝时得电动工具有限公司 | Swinging power tool |
-
2010
- 2010-10-01 CN CN201010511573.2A patent/CN102447344B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6421922B2 (en) * | 1998-12-21 | 2002-07-23 | Braun Gmbh | Power driven hair clipper |
| CN2623385Y (en) * | 2003-04-01 | 2004-07-07 | 宁波环球电机有限公司 | Bi-velocity heavy electric drill |
| CN101088712A (en) * | 2006-06-16 | 2007-12-19 | 罗伯特·博世有限公司 | Hand power tool |
| CN201511354U (en) * | 2009-09-22 | 2010-06-23 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN201529978U (en) * | 2009-09-22 | 2010-07-21 | 苏州宝时得电动工具有限公司 | Oscillating power tool |
| CN201821205U (en) * | 2010-10-01 | 2011-05-04 | 苏州宝时得电动工具有限公司 | Swinging power tool |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810963A (en) * | 2014-01-24 | 2015-07-29 | 苏州宝时得电动工具有限公司 | Blowing and sucking machine |
| CN104810963B (en) * | 2014-01-24 | 2017-09-22 | 苏州宝时得电动工具有限公司 | Blower |
| CN114131564A (en) * | 2015-02-15 | 2022-03-04 | 苏州宝时得电动工具有限公司 | Power tool |
| CN114131565A (en) * | 2015-02-15 | 2022-03-04 | 苏州宝时得电动工具有限公司 | Power tool |
| CN114131565B (en) * | 2015-02-15 | 2023-08-15 | 苏州宝时得电动工具有限公司 | Power tool |
| CN114131564B (en) * | 2015-02-15 | 2023-08-15 | 苏州宝时得电动工具有限公司 | Power tool |
| CN107233029A (en) * | 2016-03-29 | 2017-10-10 | 泰金宝电通股份有限公司 | Electronic face washer |
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| Publication number | Publication date |
|---|---|
| CN102447344B (en) | 2014-04-16 |
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