CN103277393A - Fall off prevention rotating mechanism - Google Patents
Fall off prevention rotating mechanism Download PDFInfo
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- CN103277393A CN103277393A CN2013102364332A CN201310236433A CN103277393A CN 103277393 A CN103277393 A CN 103277393A CN 2013102364332 A CN2013102364332 A CN 2013102364332A CN 201310236433 A CN201310236433 A CN 201310236433A CN 103277393 A CN103277393 A CN 103277393A
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- thread piece
- external thread
- rotating machinery
- tooth
- thread element
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Abstract
The invention discloses a fall off prevention rotating mechanism. The fall off prevention rotating mechanism comprises an external thread element and an internal thread element which is connected with the external thread element in a matching mode; external threads and a tooth-shaped portion are arranged on the external thread element; and internal threads and a buckle portion are arranged on the internal thread element. When the external thread element is connected with the internal thread element in a matching mode, the external threads are in threaded connection with the internal threads and the buckle portion and the tooth-shaped portion are buckled with each other to prevent the external thread element and the internal thread element from getting loose and falling off. Accordingly, the fall off prevention rotating mechanism has the advantages of being novel in mode, reliable in connection and convenient to install and being capable of being operated through a single hand due to the fact that the tooth-shaped structure is utilized to reversely fix the threads to avoid falling off and being capable of being widely applied to gardening tools or other tools.
Description
Technical field
The present invention relates to a kind of anticreep rotating machinery.
Background technique
Spinfunction has very important effect in all kinds of mechanical mechanisms, spinfunction is mainly produced by rotating machinery.At present, the gardening cutting tool on the market, such as grass-mowing machine, the rotational structure that adopts generally adopts after two parts compress a plurality of parts, is screwed again, and this type of rotational structure is installed inconvenience.Another kind method is to utilize back-off or bayonet socket to fix, and this type of rotational structure is very high to the requirement of mould, the depanning difficulty.Another kind of method is to use and is threaded again, but, after screw thread screws, do not have any loosening structure or tighten structure, to such an extent as to continue in the operation at machine, rotational structure gets loose easily because of the shake of machine, produce unsafe factor, and forward and reverse alternately rotation also can make the amount of being full of of screw thread reduce when being threaded, and cause to connect and become flexible.
Summary of the invention
The objective of the invention is at above-mentioned defective of the prior art, a kind of improved anticreep rotating machinery is provided, it connects reliable, and is easy for installation, and is difficult for getting loose, and can be widely used on garden tool set or other instruments.
For achieving the above object, the present invention has adopted following technological scheme: a kind of anticreep rotating machinery, comprise external thread piece and the inner thread piece matched with described external thread piece, it is characterized in that: described external thread piece is provided with outside thread and tooth-like part, described inner thread piece is provided with internal thread and clamping part, when described external thread piece and described inner thread piece are matched, described outside thread is threaded mutually with described internal thread, and described clamping part and the mutual buckle of described tooth-like part are to prevent described external thread piece and the mutual loose or dislocation of described inner thread piece.
In addition, the present invention also provides following attached technological scheme:
Described clamping part comprises the buckle that at least one extends from the inboard of described inner thread piece.
Described buckle has crown portion, and this crown portion can be meshing with each other with the tooth-like part of external thread piece.
The anticreep rotating machinery is made by plastic material.
The anticreep rotating machinery can be applicable on garden tool set or other instruments.
Described garden tool set can be grass-mowing machine.
Described grass-mowing machine comprises handle part and chain-drive section that can be matched with handle part.
First through hole and second through hole are set respectively on described handle part and the chain-drive section, and described external thread piece passes first, second through hole and is matched with inner thread piece.
The positioning part is set on the described handle part, at least one locating slot is set on the described chain-drive section, described positioning part can snap in corresponding locating slot.
Than prior art, advantage of the present invention is: external thread piece is provided with outside thread and tooth-like part, inner thread piece is provided with internal thread and clamping part, outside thread is threaded mutually with internal thread, and the mutual buckle of clamping part and tooth-like part well prevents described external thread piece and the mutual loose or dislocation of described inner thread piece.Owing to adopted tooth-shape structure, oppositely retaining thread does not get loose, and this mechanism's mode novelty connects reliably, and easy for installation, one-hand operation can be widely used on garden tool set or other instruments.
Description of drawings
Fig. 1 is corresponding to the anticreep rotating machinery of preferred embodiment of the present invention and the component exploded view of application thereof.
Fig. 2 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 done further nonrestrictive detailed description.
With reference to Fig. 1, can be applicable on the grass-mowing machine in the garden tool set corresponding to the anticreep rotating machinery of preferred embodiment of the present invention, grass-mowing machine comprises handle part 30 and the chain-drive section 28 matched with handle part 30.Wherein, handle part 30 is provided with first through hole 33 and is positioned at the positioning part 14 of first through hole, 33 sides, and chain-drive section 28 is provided with second through hole 34 and at least one locating slot 47 that is positioned at second through hole, 34 sides.The optimal number of this locating slot 47 is 2.When chain-drive section 28 need rotate to special position with respect to handle part 30, positioning part 14 optionally snapped in the corresponding locating slot 47, thereby realized the location between handle part 30 and the chain-drive section 28.When needing to change the location, only need positioning part 14 is extracted in locating slot 47, snap in again in another locating slot 47.
Above-mentioned anticreep rotating machinery comprises external thread piece 21 and the inner thread piece 12 that connects mutually.Wherein, external thread piece 21 is provided with outside thread 4 and tooth-like part 8, and inner thread piece 12 is provided with internal thread 15 and clamping part 46, when external thread piece 21 and inner thread piece 12 are matched, outside thread 4 is threaded mutually with internal thread 15, and clamping part 46 is connected with tooth-like part 8 mutual buckles.This dentation structure, oppositely retaining thread is loosening, has prevented external thread piece 21 with inner thread piece 12 because the shake of machine operation output and loose or dislocation.
With further reference to Fig. 2, clamping part 46 comprises at least one from the buckle 57 that extend the inboard of inner thread piece 12, and its most preferred embodiment quantity is 4, at an end of buckle 57, is provided with a crown portion 58.Preferred embodiment corresponding to invention, after the handle part 30 of grass-mowing machine and chain-drive section 28 are located mutually by connecting between above-mentioned positioning part 14 and the locating slot 47, after external thread piece 21 passed first, second through hole 33,34 successively, inner thread piece 12 can be matched with external thread piece 21.In the starting stage of external thread piece 21 and inner thread piece 12 screw-in processes, owing on the tooth-like part 8 many intensive teeth are arranged, again since clamping part 46 made by plastic material, so just can rely on the elasticity of buckle 57 and screw in speed faster, crown portion 58 crosses tooth-like part 8 easily, feasible screw-in does not block sense, when being about to screw, screw-in speed is slack-off, crown portion 58 jumps in the slot of tooth-like part 8, is meshing with each other with tooth-like part 8, and the counterrotating that has limited external thread piece 21 and inner thread piece 12 is loosening, thereby also guaranteed oppositely loosening even come off between chain-drive section 28 and the handle part 30, guaranteed the safety reliability that machine uses.
This explanation is that this anticreep rotating machinery applies to the embodiment on the grass-mowing machine, still, and the dentation structure of external thread piece 21 and inner thread piece 12, oppositely retaining thread does not get loose, so this mechanism and be not limited only to be applied on the grass-mowing machine can also be applied on garden tool set or other instruments.
It is pointed out that above-mentioned preferred embodiment only is explanation technical conceive of the present invention and characteristics, its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. anticreep rotating machinery, comprise external thread piece and the inner thread piece matched with described external thread piece, it is characterized in that: described external thread piece is provided with outside thread and tooth-like part, described inner thread piece is provided with internal thread and clamping part, when described external thread piece and described inner thread piece are matched, described outside thread is threaded mutually with described internal thread, and described clamping part and the mutual buckle of described tooth-like part are to prevent described external thread piece and the mutual loose or dislocation of described inner thread piece.
2. anticreep rotating machinery according to claim 1 is characterized in that: described clamping part comprises the buckle that at least one extends from the inboard of described inner thread piece.
3. anticreep rotating machinery according to claim 2, it is characterized in that: described buckle has crown portion, and this crown portion can be meshing with each other with the tooth-like part of external thread piece.
4. anticreep rotating machinery according to claim 2, it is characterized in that: it is made by plastic material.
5. according to each described anticreep rotating machinery of claim 1 to 4, it is characterized in that: it can be applicable on garden tool set or other instruments.
6. anticreep rotating machinery according to claim 5, it is characterized in that: described garden tool set can be grass-mowing machine.
7. anticreep rotating machinery according to claim 6 is characterized in that: described grass-mowing machine comprises handle part and chain-drive section that can be matched with handle part.
8. anticreep rotating machinery according to claim 7, it is characterized in that: first through hole and second through hole are set respectively on described handle part and the chain-drive section, and described external thread piece passes first, second through hole and is matched with inner thread piece.
9. anticreep rotating machinery according to claim 7, it is characterized in that: the positioning part is set on the described handle part, at least one locating slot is set on the described chain-drive section, described positioning part can snap in corresponding locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236433.2A CN103277393B (en) | 2013-06-14 | 2013-06-14 | Anti-releasing rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236433.2A CN103277393B (en) | 2013-06-14 | 2013-06-14 | Anti-releasing rotating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103277393A true CN103277393A (en) | 2013-09-04 |
| CN103277393B CN103277393B (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310236433.2A Active CN103277393B (en) | 2013-06-14 | 2013-06-14 | Anti-releasing rotating mechanism |
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| Country | Link |
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| CN (1) | CN103277393B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533594A (en) * | 2018-03-08 | 2018-09-14 | 浙江吉达金属有限公司 | Anti-drop screw component and its manufacturing process |
| CN109511357A (en) * | 2017-03-06 | 2019-03-26 | 杭州富阳飞尚装饰工程有限公司 | A kind of grass trimmer for municipal Garden Engineering |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206625B1 (en) * | 1998-02-26 | 2001-03-27 | European Locking Devices S.A. | Nut with positive and micrometric automatic locking |
| CN201025779Y (en) * | 2007-04-13 | 2008-02-27 | 叶晓波 | Grass-mowing head turning mechanism of grass-mowing machine |
| EP2400169A1 (en) * | 2010-06-25 | 2011-12-28 | NEDSCHROEF PLETTENBERG GmbH | Connecting device |
| CN203532483U (en) * | 2013-06-14 | 2014-04-09 | 天佑电器（苏州）有限公司 | Anti-disengaging rotary mechanism |
-
2013
- 2013-06-14 CN CN201310236433.2A patent/CN103277393B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206625B1 (en) * | 1998-02-26 | 2001-03-27 | European Locking Devices S.A. | Nut with positive and micrometric automatic locking |
| CN201025779Y (en) * | 2007-04-13 | 2008-02-27 | 叶晓波 | Grass-mowing head turning mechanism of grass-mowing machine |
| EP2400169A1 (en) * | 2010-06-25 | 2011-12-28 | NEDSCHROEF PLETTENBERG GmbH | Connecting device |
| CN203532483U (en) * | 2013-06-14 | 2014-04-09 | 天佑电器（苏州）有限公司 | Anti-disengaging rotary mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511357A (en) * | 2017-03-06 | 2019-03-26 | 杭州富阳飞尚装饰工程有限公司 | A kind of grass trimmer for municipal Garden Engineering |
| CN108533594A (en) * | 2018-03-08 | 2018-09-14 | 浙江吉达金属有限公司 | Anti-drop screw component and its manufacturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103277393B (en) | 2015-12-02 |
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