CN104249339A - Swinging power tool - Google Patents
Swinging power tool Download PDFInfo
- Publication number
- CN104249339A CN104249339A CN201310256593.3A CN201310256593A CN104249339A CN 104249339 A CN104249339 A CN 104249339A CN 201310256593 A CN201310256593 A CN 201310256593A CN 104249339 A CN104249339 A CN 104249339A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- balance weight
- power tool
- swing
- type power
- 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.)
- Pending
Links
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention provides a swinging power tool. The swinging power tool comprises a case, a bearing assembly, an output shaft, a driving component and a balance block, wherein the bearing assembly is located in the case and comprises a bottom bearing closest to the installation end surface, the output shaft is pivotally connected with the case through the bearing assembly, extends to the periphery of the case from the internal part of the case and comprises an installation end surface which is located on the periphery of the case and is used for installing a working head, the driving component is located in the case and drives the output shaft to swing around the axis thereof, and the balance block is connected onto the outer side of the output shaft, is used for adjusting the overall gravity center of the working head and the output shaft to the axis and is located below the bottom bearing. The swinging power tool provided by the invention has the advantages that since the balance block is installed at a position below the bottom bearing on the output shaft, when the balance block, the working head and the output shaft swing together, unbalances produced by the balance block and the working head set off each other, the effect of producing smaller vibration on the output shaft is realized, the hand health of a user is protected and the user experience is improved.
Description
Technical field
The present invention relates to a kind of hand-held tool, particularly relate to a kind of swing-type power tool of hand-held.
Background technology
Multi Role Aircraft is the common swing-type power tool of industry, and its operation principle is that output shaft does oscillating motion around axial line.Therefore, after user is provided with different operate accessories heads on output shaft, multiple different operating function can be realized, as sawed, cutting, grind, scrape, to adapt to different work requirements.
Existing swing-type power tool is when applying the working head of non-centrosymmetry shape, the application point of the type working head is all positioned at the side of output shaft, when the center of gravity of the entirety that itself and output shaft are formed is not on its swinging center line in swing process, namely this entirety is eccentric swing, thus can bring larger vibrations, and this vibrations can be passed on the housing of swing-type power tool by output shaft.If user is when long-time use adopts the Multi Role Aircraft of straight blade, numb feel is felt will be unfavorable for that user uses, and also have influence on the hand health of user.
Therefore, be necessary to improve prior art, to solve the problem in fact.
Summary of the invention
The object of the present invention is to provide and a kind ofly vibrate little swing-type power tool.
To achieve the above object of the invention, swing-type power tool provided by the present invention, it comprises: housing; Bearing assembly, is positioned at housing; Output shaft, connects described housing by bearing assembly pivotable and in shell, extends to that it is peripheral, and described output shaft comprises and is positioned at the installation end face of closure periphery for installment work head; Drive member, is positioned at described housing and driver output axle swings around its axial line; Balance weight, is connected to outside described output shaft, for adjusting the overall center of gravity of working head and output shaft to described axial line; Wherein, described bearing assembly comprises the bottom bearing near this installation end face, and described balance weight is positioned at below described bottom bearing.
As a further improvement on the present invention, described balance weight is positioned at and installs above end face.
As a further improvement on the present invention, the described output shaft of the dismountable connection of described balance weight.
As a further improvement on the present invention, described balance weight is positioned at the periphery of housing.
As a further improvement on the present invention, described balance weight and output shaft adopt the metal material of different densities to prepare.
As a further improvement on the present invention, described balance weight is different along the direction upper density perpendicular to axial line.
As a further improvement on the present invention, described balance weight is along different perpendicular to width on the direction of axial line.
As a further improvement on the present invention, the line of the center of gravity of described balance weight and the center of gravity of working head is perpendicular to described axial line.
Compared with prior art, swing-type power tool in the present invention, by the position be positioned on output shaft below bottom bearing, balance weight is installed, balance weight, working head are together with output shaft in swing process, the amount of unbalance that balance weight and working head produce compensates mutually, realize on output shaft, produce less vibration, ensure user's hand health, improve Consumer's Experience.
Accompanying drawing explanation
Above-described object of the present invention, technical scheme and beneficial effect by the detailed description that can realize specific embodiments of the invention below, can describe and clearly obtain simultaneously by reference to the accompanying drawings.
Fig. 1 is the stereogram of swing-type power tool in one embodiment of the invention.
Fig. 2 is the sectional view of the swing-type power tool shown in Fig. 1.
Related elements reference numeral in diagram is as follows:
Swing-type power tool, 100 output shafts, 20 working heads, 30
Housing, 10 free ends, 21 balance weights, 40
Bearing assembly, 11 install end face, 211 drive member, 50
Bottom bearing, 111 locking pieces, 22
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
In conjunction with reference to figure 1 with shown in Fig. 2, in one embodiment of the invention, the output shaft 20 that swing-type power tool 100 comprises housing 10, pivotable connects housing 10, the working head 30 and the balance weight 40 that connect output shaft 20 and be positioned at the drive member 50 that housing 10 swings for driver output axle 20.
Wherein, bearing assembly 11 is provided with in housing 10, output shaft 20 realizes pivotable by this bearing assembly 11 and connects housing 10, and aforementioned bearings assembly 11 comprises the bearing that at least two conllinear are arranged, and extends to its periphery after rotary output axis 20 is placed through all bearings successively in housing 10.
Output shaft 20 comprises the free end 21 being positioned at housing 10 periphery, and this free end 21 comprises the installation end face 211 for installment work 30, and dismountable being installed on of working head 30 installs end face 211, and being convenient to user needs to substitute required working head 30 according to processing.
Drive member 50 comprises drive motors and drive motors rotary power is converted into the driving section that output shaft 20 swings power, drive motors coordinates with driving section and drives output shaft 20 along its axial line X reciprocally swinging, and then drives working head 30 and balance weight 40 jointly to swing.Wherein, driving section have employed the mode of the common eccentric wheel of industry and pull-fork assembly, and this technology known for those of ordinary skill in the art does not repeat at this.
In the present embodiment, aforementioned operation head 30 is non-centrosymmetry shape relative to axial line X, and itself and output shaft 20 form overall center of gravity and be not positioned on axial line X.The center of gravity infinite approach axial line X of working head 30 and output shaft 20 entirety is made by aforementioned balance weight 40, the working head 30 be connected on output shaft 20 is being followed in output shaft 20 swing process with balance weight 40, reach a kind of state of dynamic equilibrium together, be conducive to the vibration reducing output shaft 20 produces.
As everyone knows, because output shaft 20 is as column, on the direction along axial line X, the center of gravity of working head 30 and the centroidal distance of balance weight 40 far away, it is also larger that working head 30 and balance weight 40 swing the amount of unbalance produced, and then strengthen the vibration of output shaft.
Wherein, bearing assembly 11 comprises the bottom bearing 111 near installing end face 211, aforementioned balance weight 40 is positioned at below this bottom bearing 111, other positions of output shaft 20 are positioned at relative to balance weight 40, now the center of gravity of balance weight 40 and the center of gravity of working head 30 close, the amount of unbalance that balanced working head 30 produces with balance weight 40, realizes the vibration reducing output shaft 20.
Preferably, arrange the center of gravity of balance weight 40 with the center of gravity of working head 30 identical along axial line X-direction height, namely the line of the center of gravity of balance weight 40 and the center of gravity of working head 30 is perpendicular to axial line X.And then mating the weight of balance weight 40 and working head 30 again, the amount of unbalance that balance weight 40 and working head 30 are produced is maximized balanced, realizes the minimum vibration of output shaft 20, and then obtains optimal user experience.
In the present embodiment, balance weight 40 is arranged at the top of installing end face 211, namely balance weight 40 is positioned on the free end 21 of output shaft 20.On the basis not changing swing-type power tool existing structure, can on output shaft 20 quick-setting balance weight 40, while ensureing balance weight 40 installation effectiveness, the amount of unbalance that balance weight 40 and working head 30 produce also obtains certain balanced, the extra cost increase because swing-type power tool 100 structural modification brings is avoided while reducing output shaft 20 vibration, meet the theory of current enterprise production control cost, there is very strong market significance.
Preferably, balance weight 40 is dismountable to be installed on output shaft 20, is convenient to replace balance weight 40 according to the weight of working head 30 and position of centre of gravity.Corresponding, balance weight 40 is positioned at the periphery of housing 10, be convenient to user and change balance weight 40, certainly, balance weight 40 also can be positioned at inside housing 10, make swing-type power tool 100 compact conformation, and user's hand can't be touched in balance weight 40 swing process, improve the security of swing-type power tool 100.Certainly, balance weight 40 also can adopt to be prepared with output shaft 20 density different materials, only needs to consider its weight and its gravity centre distribution.
In the present embodiment, balance weight 40 is along on the direction of vertical central lines X, and its density is different.When the length of the centroidal distance axial line 40 of working head 30 is excessive, the Density Distribution of corresponding adjustment balance weight 40, the basis not needing increase balance weight 40 length can realize the position of centre of gravity adjusting balance weight 40, reach balanced operation 30 amount of unbalance produced with balance weight 40, avoid affecting the grip effect of user for swing-type power tool 100 because balance weight 40 length is excessive.Especially, balance weight 40 also can adopt the metal material of different densities to prepare and make it possess different Density Distribution, can realize aforementioned effectiveness in vibration suppression equally, not repeat at this.
Certainly, in other embodiments of the present invention, balance weight 40 is along on the direction of vertical central lines X, and its width is also different.When the length of the centroidal distance axial line 40 of working head 30 is excessive, the width distribution of corresponding adjustment balance weight 40, the position of centre of gravity of balance block 40 is raised on the basis that also can realize not increasing balance weight length, reaches balanced operation 30 amount of unbalance produced with balance weight 40.Preferably, balance weight 40 is set to secter pat, when needs adjustment balance weight 40 width distribution, only needs the angle adjusting secter pat, improves the preparation efficiency of balance weight 40.
Certainly, in other embodiments of the present invention, output shaft 20 also comprises the locking piece 22 being fixed to by working head 30 and installing on end face 211, and balance weight 40 also can be mounted on locking piece 22, can reach aforementioned effectiveness in vibration suppression equally, not repeat at this.
Certainly, in other embodiments of the present invention, balance weight 40 is also by output shaft 20 arranges groove to replace, and concrete, groove is contrary with the bearing of trend of balance weight 40, makes output shaft 20 present non-centrosymmetrical structure.During use, when user is when using the working head of non-centrosymmetry formula, because output shaft 20 self forms asymmetric form, relative to axial line X, the weight forming that side reeded will be less than the opposite side of output shaft 20, now, supplementing by the weight of working head 30, for axial line, a kind of dynamic equilibrium state reached by groove and the working head of output shaft 20 both sides, thus realizes identical effectiveness in vibration suppression.
Compared with prior art, swing-type power tool 100 provided by the present invention, by the position be positioned on output shaft 20 below bottom bearing 111, balance weight 40 is installed, balance weight 40, working head 30 are together with output shaft 20 in swing process, the amount of unbalance that balance weight 40 and working head 30 produce compensates mutually, realize producing less vibration on output shaft 20, ensure user's hand health, improve Consumer's Experience.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (8)
1. a swing-type power tool, is characterized in that, described swing-type power tool comprises:
Housing;
Bearing assembly, is positioned at housing;
Output shaft, connects described housing by bearing assembly pivotable and in housing, extends to that it is peripheral, and described output shaft comprises and is positioned at the installation end face of closure periphery for installment work head;
Drive member, is positioned at described housing and driver output axle swings around its axial line;
Balance weight, is connected on described output shaft, for adjusting the overall center of gravity of working head and output shaft to described axial line;
Wherein, described bearing assembly comprises the bottom bearing near this installation end face, and described balance weight is positioned at below described bottom bearing.
2. swing-type power tool as claimed in claim 1, is characterized in that, described balance weight is positioned to be installed above end face.
3. swing-type power tool as claimed in claim 1, it is characterized in that, described balance weight is dismountable to be connected on described output shaft.
4. swing-type power tool as claimed in claim 3, it is characterized in that, described balance weight is positioned at the periphery of housing.
5. swing-type power tool as claimed in claim 1, it is characterized in that, described balance weight and output shaft adopt the metal material of different densities to prepare.
6. swing-type power tool as claimed in claim 1, is characterized in that, described balance weight is different along the direction upper density perpendicular to axial line.
7. swing-type power tool as claimed in claim 1, is characterized in that, described balance weight is along different perpendicular to width on the direction of axial line.
8. swing-type power tool as claimed in claim 1, it is characterized in that, the line of the center of gravity of described balance weight and the center of gravity of working head is perpendicular to described axial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256593.3A CN104249339A (en) | 2013-06-25 | 2013-06-25 | Swinging power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256593.3A CN104249339A (en) | 2013-06-25 | 2013-06-25 | Swinging power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104249339A true CN104249339A (en) | 2014-12-31 |
Family
ID=52184761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256593.3A Pending CN104249339A (en) | 2013-06-25 | 2013-06-25 | Swinging power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104249339A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153958A (en) * | 2018-02-14 | 2019-08-23 | 苏州宝时得电动工具有限公司 | Handheld tool |
| CN114851139A (en) * | 2022-04-28 | 2022-08-05 | 江苏东成工具科技有限公司 | Electric tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050012018A1 (en) * | 2002-08-23 | 2005-01-20 | Emmanuel Courbon | Key system for a mirror assembly |
| DE102008004638A1 (en) * | 2008-01-16 | 2009-07-23 | Robert Bosch Gmbh | Motor driven machine tool |
| CN201664910U (en) * | 2009-12-14 | 2010-12-08 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN102019610A (en) * | 2009-09-22 | 2011-04-20 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN102019607A (en) * | 2009-09-22 | 2011-04-20 | 苏州宝时得电动工具有限公司 | Swinging power tool |
| CN102019609A (en) * | 2009-09-15 | 2011-04-20 | 苏州宝时得电动工具有限公司 | Swing power tool |
-
2013
- 2013-06-25 CN CN201310256593.3A patent/CN104249339A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050012018A1 (en) * | 2002-08-23 | 2005-01-20 | Emmanuel Courbon | Key system for a mirror assembly |
| DE102008004638A1 (en) * | 2008-01-16 | 2009-07-23 | Robert Bosch Gmbh | Motor driven machine tool |
| CN102019609A (en) * | 2009-09-15 | 2011-04-20 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN102019610A (en) * | 2009-09-22 | 2011-04-20 | 苏州宝时得电动工具有限公司 | Swing power tool |
| CN102019607A (en) * | 2009-09-22 | 2011-04-20 | 苏州宝时得电动工具有限公司 | Swinging power tool |
| CN201664910U (en) * | 2009-12-14 | 2010-12-08 | 苏州宝时得电动工具有限公司 | Swing power tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153958A (en) * | 2018-02-14 | 2019-08-23 | 苏州宝时得电动工具有限公司 | Handheld tool |
| CN114851139A (en) * | 2022-04-28 | 2022-08-05 | 江苏东成工具科技有限公司 | Electric tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201511357U (en) | Swing power tool | |
| CN102019609B (en) | Swing power tool | |
| CN203305041U (en) | Finishing machine for finishing ring-shaped and blade-shaped workpieces | |
| CN105207520A (en) | Rotating type traveling wave ultrasonic motor and stator and rotor pre-tightening method thereof | |
| CN103029022A (en) | Abrasive belt tool system for automatically polishing blisk | |
| CN202165556U (en) | Noise-reducing gear | |
| CN103753363B (en) | The flexible adaptive mechanism of angle grinding machine | |
| CN104249339A (en) | Swinging power tool | |
| CN201821205U (en) | Swinging power tool | |
| CN201664910U (en) | Swing power tool | |
| CN205614459U (en) | Sanding grinder | |
| WO2016127930A1 (en) | Power tool | |
| CN201279725Y (en) | Abrading tool | |
| CN211940308U (en) | Novel balanced structure grinder | |
| CN203751886U (en) | Arc grinding device for diamond tool bit arc grinding machine | |
| CN102619909A (en) | Drum brake with low noise | |
| CN208467366U (en) | A kind of metal cutting milling cutter | |
| CN208556021U (en) | A kind of lathe lathe tool clamp system that can extend lathe tool service life | |
| CN102447344A (en) | Swing-type power tool | |
| CN105364667A (en) | High-speed double-curved-surface polishing machine | |
| CN204523454U (en) | Gas vibrating device | |
| CN205415232U (en) | Duplex hair style angle mill | |
| CN104608034B (en) | It is a kind of on self-priming triangle palm sander can 360 ° of rotations bottom plates | |
| CN203679987U (en) | Flexible self-adaptive mechanism of angle grinder | |
| CN204135443U (en) | A kind of vibrationproof pipe cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141231 |
|
| RJ01 | Rejection of invention patent application after publication |