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Fall off prevention rotating mechanism

A rotating mechanism and anti-loosening technology, which is applied in the direction of harvesters, connecting components, mechanical equipment, etc., can solve the problems of high mold requirements, inconvenient installation, easy loosening of the rotating structure, etc., and achieve novel mechanism, convenient installation, and reliable connection Effect

Active Publication Date: 2013-09-04
SKYBEST ELECTRIC APPLIANCE SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, gardening cutting tools on the market, such as lawn trimmers, generally use two parts to compress multiple parts and then fix them with screws. This kind of rotating structure is inconvenient to install.
Another method is to use undercut or bayonet to fix. This kind of rotating structure has high requirements on the mold and it is difficult to release the mold.
Another method is to use threaded connection, but after the thread is tightened, there is no loosening structure or clamping structure, so that during the continuous operation of the machine, the rotating structure is easy to loosen due to the vibration of the machine, resulting in Unsafe factors, and the alternating forward and reverse rotation during threaded connection will also reduce the surplus of the thread and cause the connection to loosen

Method used

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Embodiment Construction

[0017] The technical solution of the present invention will be described in further non-limiting detail below in combination with preferred embodiments and accompanying drawings.

[0018] refer to figure 1 , the anti-off rotation mechanism corresponding to the preferred embodiment of the present invention can be applied to a lawnmower among gardening tools, and the lawnmower includes a handle part 30 and a machine head 28 matched with the handle part 30 . Wherein, the handle portion 30 is provided with a first through hole 33 and a positioning portion 14 positioned beside the first through hole 33 , while the handpiece 28 is provided with a second through hole 34 and at least one position positioned beside the second through hole 34 . Positioning groove 47. The optimal number of the positioning grooves 47 is two. When the handpiece 28 needs to rotate to a specific position relative to the handle 30 , the positioning portion 14 can be selectively snapped into the correspondin...

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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 [0001] The invention relates to an anti-off rotation mechanism. Background technique [0002] The rotation function plays a pivotal role in various mechanical mechanisms, and the rotation function is mainly produced by the rotation mechanism. At present, gardening cutting tools on the market, such as lawn trimmers, generally use two parts to compress multiple parts and then fix them with screws. This kind of rotating structure is inconvenient to install. Another method is to use undercut or bayonet to fix. This kind of rotating structure has high requirements on the mold and it is difficult to release the mold. Another method is to use threaded connection, but after the thread is tightened, there is no loosening structure or clamping structure, so that during the continuous operation of the machine, the rotating structure is easy to loosen due to the vibration of the machine, resulting in Unsafe factors, and the alternating forward and reverse rotation duri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/282A01D34/82
Inventor 孔钊魏娟
Owner SKYBEST ELECTRIC APPLIANCE SUZHOU CO LTD
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