CN203532483U - Anti-disengaging rotary mechanism - Google Patents
Anti-disengaging rotary mechanism Download PDFInfo
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- CN203532483U CN203532483U CN201320343324.6U CN201320343324U CN203532483U CN 203532483 U CN203532483 U CN 203532483U CN 201320343324 U CN201320343324 U CN 201320343324U CN 203532483 U CN203532483 U CN 203532483U
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- thread piece
- external thread
- tooth
- releasing rotating
- thread member
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Abstract
The utility model discloses an anti-disengaging rotary mechanism. The anti-disengaging rotary mechanism comprises an external thread member and an internal thread member connected with the external thread member in a matching mode. An external thread and a tooth-shaped portion are arranged on the external thread member. An internal thread and a buckling portion are arranged on the internal thread member. When the external thread member is connected with the internal thread member in a matching mode, the external thread is in threaded connection with the internal thread and the buckling portion is mutually buckled with the tooth-shaped portion to prevent the external thread member and the internal thread member from mutually loosening and disengaging. Therefore, the anti-disengaging rotary mechanism has following beneficial effects: a tooth-shaped structure is adopted; threads are fixed in a reverse direction so that loosening and disengaging concurrences are avoided; and the anti-disengaging rotary mechanism is novel in mode, reliable in connection and convenient in installation and can be operated by a single head and can be broadly applied to gardening tools or other tools.
Description
Technical field
The utility model relates to a kind of Anti-releasing rotating mechanism.
Background technique
Spinfunction has very important effect in all kinds of mechanical mechanisms, and spinfunction is mainly produced by rotating machinery.At present, the gardening cutting tool on market, such as grass-mowing machine, the rotational structure adopting, generally adopts two parts by after a plurality of parts compressions, then is screwed, 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, depanning difficulty.Another kind of method is to use to be threaded again, but, after screw thread screws, do not have any structure or clamping structure of loosening, to such an extent as to continue in operation at machine, rotational structure easily gets loose because of the shake of machine, produce unsafe factor, and while being threaded, forward and reverse alternately rotation, also can make the amount of being full of of screw thread reduce, and causes to connect and become flexible.
Model utility content
The purpose of this utility model is for above-mentioned defect of the prior art, and a kind of improved Anti-releasing rotating mechanism is provided, and it connects reliable, easy for installation, and is difficult for getting loose, and can be widely used on garden tool set or other instruments.
For realizing above-mentioned model utility object, the utility model has adopted following technological scheme: a kind of Anti-releasing rotating mechanism, comprise external thread piece and the inner thread piece matched with described external thread piece, it is characterized in that: on described external thread piece, be provided with outside thread and tooth-like part, on described inner thread piece, be provided with internal thread and clamping part, when described external thread piece and described inner thread piece are when 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 utility model also provides following attached technological scheme:
Described clamping part comprises the buckle that extend at least one inner side from described inner thread piece.
Described buckle has crown portion, and this crown portion can be intermeshing with the tooth-like part of external thread piece.
Anti-releasing rotating mechanism is made by plastic material.
Anti-releasing rotating mechanism is applied on grass-mowing machine.
Described grass-mowing machine comprises handle part and chain-drive section that can be matched with handle part.
The first through hole and the second through hole are set respectively on described handle part and chain-drive section, and described external thread piece is through first, second through hole and matched with inner thread piece.
In described handle part, positioning part is set, at least one locating slot is set on described chain-drive section, described positioning part can snap in corresponding locating slot.
Than prior art, advantage of the present utility model is: on external thread piece, be provided with outside thread and tooth-like part, on inner thread piece, be 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 having adopted tooth-shape structure, oppositely retaining thread does not get loose, and this mechanism's mode is novel, connects reliably, and easy for installation, one-hand operation, can be widely used on garden tool set or other instruments.
Accompanying drawing explanation
Fig. 1 is corresponding to the Anti-releasing rotating mechanism of the utility model preferred embodiment 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 solutions of the utility model are further non-limitingly described in detail.
With reference to Fig. 1, corresponding to the Anti-releasing rotating mechanism of the utility model preferred embodiment, can be applicable on the grass-mowing machine in garden tool set, 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 the first through hole 33 and is positioned at the positioning part 14 of the first through hole 33 sides, and chain-drive section 28 is provided with the second through hole 34 and at least one locating slot 47 that is positioned at the 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 snaps in corresponding locating slot 47, thereby realizes the location between handle part 30 and chain-drive section 28.While needing to change location, only positioning part 14 need be extracted in locating slot 47, again snap in another locating slot 47.
Above-mentioned Anti-releasing rotating mechanism comprises external thread piece 21 and the inner thread piece 12 mutually connecting.Wherein, on external thread piece 21, be provided with outside thread 4 and tooth-like part 8, on inner thread piece 12, be 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 the mutual buckle of tooth-like part 8.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 the buckle 57 that extend at least one inner side from inner thread piece 12, and its most preferred embodiment quantity is 4, in one end of buckle 57, is provided with a crown portion 58.Preferred embodiment corresponding to model utility, 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 locating slot 47, external thread piece 21 is successively through after first, second through hole 33,34, and 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 to there being many intensive teeth on tooth-like part 8, again because clamping part 46 is made by plastic material, so just can rely on the elasticity of buckle 57 and screw in faster speed, crown portion 58 crosses tooth-like part 8 easily, make to screw in and do not block sense, until while being about to screw, screw-in speed is slack-off, crown portion 58 jumps in the slot of tooth-like part 8, intermeshing with tooth-like part 8, the counterrotating that has limited external thread piece 21 and inner thread piece 12 is loosening, thereby also guaranteed oppositely becoming flexible and even coming off between chain-drive section 28 and handle part 30, guaranteed the safety reliability that machine uses.
This explanation Shi Gai Anti-releasing rotating mechanism applies to the embodiment on 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 grass-mowing machine, can also be applied on garden tool set or other instruments.
It is to be noted; above-mentioned preferred embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (8)
1.Yi Zhong Anti-releasing rotating mechanism, comprise external thread piece and the inner thread piece matched with described external thread piece, it is characterized in that: on described external thread piece, be provided with outside thread and tooth-like part, on described inner thread piece, be provided with internal thread and clamping part, when described external thread piece and described inner thread piece are when 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. Anti-releasing rotating according to claim 1 mechanism, is characterized in that: described clamping part comprises the buckle that extend at least one inner side from described inner thread piece.
3. Anti-releasing rotating according to claim 2 mechanism, is characterized in that: described buckle has crown portion, and this crown portion can be intermeshing with the tooth-like part of external thread piece.
4. Anti-releasing rotating according to claim 2 mechanism, is characterized in that it is made by plastic material.
5. according to the Anti-releasing rotating mechanism described in claim 1 to 4 any one, it is characterized in that it is applied on grass-mowing machine.
6. Anti-releasing rotating according to claim 5 mechanism, is characterized in that: described grass-mowing machine comprises handle part and chain-drive section that can be matched with handle part.
7. Anti-releasing rotating according to claim 6 mechanism, is characterized in that: the first through hole and the second through hole are set respectively on described handle part and chain-drive section, and described external thread piece is through first, second through hole and matched with inner thread piece.
8. Anti-releasing rotating according to claim 6 mechanism, is characterized in that: in described handle part, positioning part is set, at least one locating slot is set on described chain-drive section, described positioning part can snap in corresponding locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320343324.6U CN203532483U (en) | 2013-06-14 | 2013-06-14 | Anti-disengaging rotary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320343324.6U CN203532483U (en) | 2013-06-14 | 2013-06-14 | Anti-disengaging rotary mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532483U true CN203532483U (en) | 2014-04-09 |
Family
ID=50418696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320343324.6U Expired - Fee Related CN203532483U (en) | 2013-06-14 | 2013-06-14 | Anti-disengaging rotary mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277393A (en) * | 2013-06-14 | 2013-09-04 | 天佑电器（苏州）有限公司 | Fall off prevention rotating mechanism |
| WO2018077112A1 (en) * | 2016-10-24 | 2018-05-03 | 深圳市道通智能航空技术有限公司 | Propeller, power assembly, and unmanned aerial vehicle |
-
2013
- 2013-06-14 CN CN201320343324.6U patent/CN203532483U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277393A (en) * | 2013-06-14 | 2013-09-04 | 天佑电器（苏州）有限公司 | Fall off prevention rotating mechanism |
| CN103277393B (en) * | 2013-06-14 | 2015-12-02 | 天佑电器（苏州）有限公司 | Anti-releasing rotating mechanism |
| WO2018077112A1 (en) * | 2016-10-24 | 2018-05-03 | 深圳市道通智能航空技术有限公司 | Propeller, power assembly, and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20170614 |