Adapter for transferring torque between square and square bore shafts

Abstract

The invention discloses an adapter piece for transmitting torque between a square shaft and a square hole shaft, which belongs to the technical field of measurement and the field of mechanical assembly accessories. The adapter for transmitting torque between a square shaft and a square hole shaft according to the present invention includes a square cylinder, the inner and outer radial surfaces of the square cylinder are adapted to the square shaft and the square hole respectively, and the square cylinder is a split type , which is composed of two symmetrical right-angle gaskets. Under the torsion state, the two right-angle gaskets open to the surroundings and fit with the inner wall of the square hole; the upper ends of the right-angle gaskets are respectively provided with mounting pieces. The mounting tabs are perpendicular to the right-angle spacers. The adapter of the present invention can be tightly attached to the inner wall of the square hole when in use, is only subjected to pressure, transmits torque through force without being subjected to torque, is not damaged by torsion, and is not easily damaged by fatigue. The adapter of the present invention can be automatically centered when it is twisted, so that the rotation centerlines of the two right-angled gaskets coincide with the axes of the square shaft and the square hole.

Description

technical field [0001] The invention relates to an accessory used when a square shaft is connected to a square hole shaft, in particular to an adapter for transmitting torque between the square shaft and the square hole shaft, which can be used in the fields of torque measurement and the like. Background technique [0002] There are usually connections between the drive shaft and other devices in mechanical equipment. The square connection of the drive shaft is more common in industrial production. For example, in the field of measurement technology: the connection between the standard lever and the static torque sensor often uses a square shaft; the torque standard machine The drive shaft is a circular shaft, but the connection with the torque sensor is a square shaft; in industrial assembly, the torque wrench drives the bolt with a square shaft, and in the verification of the torque wrench, it is also connected with the static torque sensor with a square shaft. [0003] Du...

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Problems solved by technology

[0007] In order to solve the problem that when the square hole and the square shaft are connected through the adapter sleeve in the prior art, the increase of the fit gap and the increase of the connection length lead to the deviation of the axis and the increase of the bending moment, resulting in a large coaxiality, and the adapter sleeve is subjected to a large torque Easy to break and other problems, the present invention provides a torque transfer adapter between the square shaft and the square hole shaft, which can flexibly and efficiently solve the connection problem between the square hole and the square shaft of different sizes, no matter the The size difference between the hole and the square shaft is several levels, and only one adapter of the present invention is needed, which does not significantly increase the length of the connection, does not significantly increase the bending moment, and does not increase the coaxiality between the square shaft and the square hole

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