CN103299837B - The blocking rotation mechanism of garden tool set - Google Patents
The blocking rotation mechanism of garden tool set Download PDFInfo
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- CN103299837B CN103299837B CN201310285701.XA CN201310285701A CN103299837B CN 103299837 B CN103299837 B CN 103299837B CN 201310285701 A CN201310285701 A CN 201310285701A CN 103299837 B CN103299837 B CN 103299837B
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- rotation mechanism
- garden tool
- blocking rotation
- tool set
- geared parts
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Abstract
Present invention is disclosed a kind of blocking rotation mechanism of garden tool set, wherein garden tool set comprises electric machine assembly and tool section assembly, described blocking rotation mechanism comprise driven by electric machine assembly geared parts, be fixedly mounted on tool section assembly and and described geared parts matched in support set and the bolster that is arranged between geared parts and interior support set.So when this garden tool set generation stall, geared parts compresses bolster, bolster occurs significantly to be out of shape, and is potential energy by the kinetic transformation of geared parts, available protecting garden tool set.Further, the blocking rotation mechanism of this garden tool set can be used for alternating current and also can be used for direct current, has wide range of applications, and simultaneously structure is simple and take up room little.
Description
Technical field
The present invention relates to a kind of blocking rotation mechanism of garden tool set.
Background technology
Part garden instrument in the market, such as shrub and hedge trimmer, all have the parts such as motor, gear and tool section.Usually, such garden tool set arranges blocking rotation mechanism, to prevent the damage easily causing the strength members such as tool section cutting teeth, gear and motor when cutting to the hard objects such as rod iron when machine.At present, shrub and hedge trimmer utilize more stall mechanism of putting mainly contain two kinds, the first is: electronics blocking rotation mechanism, mainly utilize control circui, namely when stall occurs, when current of electric is excessive, circuit control system starts, make motor power-off, but this type of blocking rotation mechanism is mainly used in direct current shrub and hedge trimmer, shortcoming is that range of application is narrower.The second is: mechanical torsion spring blocking rotation mechanism, primary structure stretches out an axle in gear centre position, this axle and gear one-body molded, torsion spring inserts this axle, and then matched with tool section assembly, utilize frictional force driving knife bar assembly, when stall occurs, skid between gear and torsion spring, avoid gear stuck, but this type of blocking rotation mechanism structure is complicated, and the space taken is larger.Comprehensive above-mentioned Liang Zhong blocking rotation mechanism, finds that the blocking rotation mechanism in prior art exists more problem, brings numerous inconvenience to actual use and industry manufacture.
Summary of the invention
The object of the invention is to, for above-mentioned defect of the prior art, provide a kind of applied range, the simple and blocking rotation mechanism of the little garden tool set that takes up room of structure.
For achieving the above object, present invention employs following technical scheme: a kind of blocking rotation mechanism of garden tool set, wherein garden tool set comprises electric machine assembly and tool section assembly, it is characterized in that: described blocking rotation mechanism comprise driven by electric machine assembly geared parts, be fixedly mounted on tool section assembly and and described geared parts matched in support set and the bolster that is arranged between geared parts and interior support set.
In addition, the present invention also provides following attached technical scheme:
Described geared parts comprises gear and fixes with described gear the outer support ring connected.
Described inner support cover arranges convex shoulder, and described outer support ring arranges respective bump, and described bolster connects between convex shoulder and projection.
Described gear arranges through hole, and described outer support ring arranges boss, described boss and described through hole matched.
Described interior support set and described tool section assembly adopt rivet interlacement mode to be fixedly connected.
Described interior support set and described tool section assembly arrange through hole, in described through hole, arrange bearing.
Described gear and described outer support ring can be one-body molded.
Described bolster is made up of plastic material.
Described garden tool set is shrub and hedge trimmer.
Compared to prior art, advantage of the present invention is: the blocking rotation mechanism of garden tool set comprises geared parts, interior support set and bolster, when there is stall phenomenon in garden tool set, geared parts compresses bolster, there is the deformation of large degree in bolster, is potential energy by the kinetic transformation of geared parts.Further, the blocking rotation mechanism of this garden tool set can be used for alternating current and also can be used for direct current, has wide range of applications, and simultaneously structure is simple and take up room little.
Accompanying drawing explanation
Fig. 1 is the parts thereof exploded view corresponding to present pre-ferred embodiments garden tool set.
Fig. 2 is the assembling plan view of Fig. 1.
Fig. 3 is the sectional arrangement drawing of Fig. 1.
Embodiment
Below in conjunction with preferred embodiment and accompanying drawing thereof, technical solution of the present invention is further non-limitingly described in detail.
With reference to Fig. 1, the garden tool set corresponding to present pre-ferred embodiments is shrub and hedge trimmer, and it mainly comprises electric machine assembly 7, tool section assembly 24 and anti-jamming mechanism.This anti-jamming mechanism comprises geared parts 8 that electric machine assembly 7 drives, be fixedly mounted on tool section assembly 24 and and the matched interior support set 15 of geared parts 8 and the bolster 14 that is arranged between geared parts 8 and interior support set 15.
Particularly, tool section assembly 24 mainly comprises upper and lower blade 22, eccentric wheel 25, spacer 26 and the anti-attrition sheet 28 be arranged on each blade 22 of pruning branch.Geared parts 8 comprises gear 3 and outer support ring 10, and wherein, gear 3 arranges the first through hole 27, and outer support ring 10 arranges boss 11, boss 11 and the first through hole 27 matched, in the preferred embodiment, gear 3 and outer support ring 10 adopt screw connecting mode to be fixedly connected.In addition, gear 3 and outer support ring 10 also can be one-body molded.Interior support set 15 arranges a pair depressed part 16 and a pair convex shoulder 21.In the preferred embodiment, interior support set 15 is installed in the boss 11 of outer support ring 10.Meanwhile, interior support set 15, eccentric wheel 25, spacer 26 and anti-attrition sheet 28 are arranged respectively through hole 19 to be fixedly connected by rivet 17.
With further reference to Fig. 2 to Fig. 3, gear 3 is meshed with motor gear 20, with by motor gear 20 Direct driver.In the boss 11 of above-mentioned outer support ring 10, arrange a pair projection 29, this projection 29 is housed in respective recesses portion 16 together with bolster 14, and makes bolster 14 between convex shoulder 21 and respective bump 29.Interior support set 15, eccentric wheel 25 and spacer 26 arrange the second through hole 30 respectively, then by bearing 31 and the second through hole 30 matched, like this, interior support set 15, eccentric wheel 25 and spacer 26 can rotate around bearing 31.
Like this, when normally working when machine startup, rotate together when motor gear 20 driven gear 3 and outer support ring 10, now the projection 29 of outer support ring 10 can drive interior support set 15 and bolster 14 to rotate, finally drive the eccentric wheel 25 be fixedly connected with it to rotate by interior support set 15, thus the generation of upper and lower blade 22 is done relatively reciprocating motion to prune branch.Under this normal operating conditions, because bolster 14 is made up of plastic material, it needs the distortion that trace occurs, and just can make interior support set 15 normal rotation, is then with movable eccentric wheel 25 and spacer 26 to rotate.And when there is stall, tool section assembly 24 and interior support set 15 stop operating, but electric machine assembly 7 still output torque, the projection 29 of outer support ring 10 just can severe crush bolster 14, bolster 14 deflection increases, be potential energy by a large amount of kinetic transformation, make motor gear 20 have partial buffer, prevent the damage of electric machine assembly 7 and other important spare parts.Further, the blocking rotation mechanism of this garden tool set can be used for alternating current and also can be used for direct current, has wide range of applications, and simultaneously structure is simple and take up room little.
It is pointed out that above-mentioned preferred embodiment is only and technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. the blocking rotation mechanism of a garden tool set, wherein garden tool set comprises electric machine assembly and tool section assembly, it is characterized in that: described blocking rotation mechanism comprises the geared parts driven by electric machine assembly, to be fixedly mounted on tool section assembly and matched with described geared parts in support set, and the bolster be arranged between geared parts and interior support set, wherein said geared parts comprises gear and fixes with described gear the outer support ring connected, described inner support cover arranges convex shoulder, described outer support ring arranges corresponding projection, described bolster connects between convex shoulder and projection.
2. the blocking rotation mechanism of garden tool set according to claim 1, is characterized in that: described gear and the motor gear be arranged on electric machine assembly engage each other.
3. the blocking rotation mechanism of garden tool set according to claim 1, it is characterized in that: described gear arranges through hole, described outer support ring arranges boss, described boss and described through hole matched.
4. the blocking rotation mechanism of garden tool set according to claim 1, is characterized in that: described interior support set and described tool section assembly adopt rivet interlacement mode to be fixedly connected.
5. the blocking rotation mechanism of garden tool set according to claim 1, is characterized in that: described interior support set and described tool section assembly arrange through hole, in described through hole, arrange bearing.
6. the blocking rotation mechanism of garden tool set according to claim 1, is characterized in that: described gear and described outer support ring can be one-body molded.
7. the blocking rotation mechanism of garden tool set according to claim 1, is characterized in that: described bolster is made up of plastic material.
8. the blocking rotation mechanism of garden tool set according to any one of claim 1 to 7, is characterized in that: described garden tool set is shrub and hedge trimmer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285701.XA CN103299837B (en) | 2013-07-09 | 2013-07-09 | The blocking rotation mechanism of garden tool set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285701.XA CN103299837B (en) | 2013-07-09 | 2013-07-09 | The blocking rotation mechanism of garden tool set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103299837A CN103299837A (en) | 2013-09-18 |
| CN103299837B true CN103299837B (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310285701.XA Active CN103299837B (en) | 2013-07-09 | 2013-07-09 | The blocking rotation mechanism of garden tool set |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105453909A (en) * | 2015-12-01 | 2016-04-06 | 常州格力博有限公司 | Pruner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6051901A (en) * | 1997-09-26 | 2000-04-18 | Aisin Seiki Kabushiki Kaisha | Motor unit fitted with buffer mechanism |
| DE10209101A1 (en) * | 2001-03-02 | 2002-09-05 | Hitachi Koki Kk | power tool |
| CN102119636A (en) * | 2011-01-05 | 2011-07-13 | 常州格力博工具有限公司 | Pruning machine |
| CN102420495A (en) * | 2010-09-27 | 2012-04-18 | 比亚迪股份有限公司 | Motor speed reduction mechanism |
| CN102824947A (en) * | 2012-07-20 | 2012-12-19 | 东莞市邦泽电子有限公司 | Paper shredder provided with permanent magnet synchronous motor |
| CN203387957U (en) * | 2013-07-09 | 2014-01-15 | 天佑电器（苏州）有限公司 | Locked rotor prevention mechanism of garden tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6809440B2 (en) * | 2003-03-10 | 2004-10-26 | Buehler Motor, Inc. | Space-saving, damping coupling mechanism for worms in geared actuators |
-
2013
- 2013-07-09 CN CN201310285701.XA patent/CN103299837B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6051901A (en) * | 1997-09-26 | 2000-04-18 | Aisin Seiki Kabushiki Kaisha | Motor unit fitted with buffer mechanism |
| DE10209101A1 (en) * | 2001-03-02 | 2002-09-05 | Hitachi Koki Kk | power tool |
| CN102420495A (en) * | 2010-09-27 | 2012-04-18 | 比亚迪股份有限公司 | Motor speed reduction mechanism |
| CN102119636A (en) * | 2011-01-05 | 2011-07-13 | 常州格力博工具有限公司 | Pruning machine |
| CN102824947A (en) * | 2012-07-20 | 2012-12-19 | 东莞市邦泽电子有限公司 | Paper shredder provided with permanent magnet synchronous motor |
| CN203387957U (en) * | 2013-07-09 | 2014-01-15 | 天佑电器（苏州）有限公司 | Locked rotor prevention mechanism of garden tool |
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| Publication number | Publication date |
|---|---|
| CN103299837A (en) | 2013-09-18 |
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