Handheld internal spline m value special measuring instrument
An internal spline, hand-held technology, applied in the field of hand-held special measuring instruments, can solve the problems of high operation level, easy to tilt the measurement results up and down, instability and other problems, and achieve the effects of improving applicability, fast measurement, and stable measurement
Active Publication Date: 2015-12-16
EST TOOLS
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Problems solved by technology
This measurement method is convenient, fast, and highly versatile, but it is easy to tilt up and down during the measurement process, resulting in unstable measurement results. It requires the user to have certain measurement experience to complete relatively accurate measurement, and the operating level is relatively high.
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Embodiment Construction
[0012] Such as figure 1 As shown, the hand-held internal spline M value special measuring instrument of the present invention includes a spline body 1 (please also refer to figure 2 ), elastic body 2, table chuck 9, table chuck expansion sleeve 8, transmission rod 7, transmission positioning sleeve 5, jacket 6, dial indicator 10, thimble 3, measuring head 4 and calibration piece 11 (please also refer to Figure 4 ), the calibration piece 11 is used for the calibration of the zero reference. The upper end of the spline body 1 is connected to the lower end of the transmission positioning sleeve 5, the elastic body 2 is placed in the inner cavity of the spline body 1, and a spring 12 is arranged between the elastic body 2 and the inner side of the upper end of the spline body 1, which can increase the elasticity. Prevent stuck in the process of transmitting force, can not return to the original position. The upper end of the elastic body 2 extends into the lower end of the tra...
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The invention discloses a handheld measuring instrument for an internal spline M value. The handheld measuring instrument for the internal spline M value comprises a spline body, an elastic body, a meter chuck, a meter chuck expansion sleeve, a transmission rod, a thimble, a transmission positioning sleeve, an outer sleeve, a dial indicator, a measuring head and a calibration part. The elastic body is arranged in an inner cavity of the spline body, the upper end of the elastic body penetrates into the lower end of the transmission positioning sleeve, and the measuring head is arranged at the lower end of the elastic body. The thimble is arranged in an inner cavity of the elastic body, the transmission rod is arranged in an inner cavity of the transmission positioning sleeve, and the lower end of the transmission rod is connected with the thimble in an abutted mode. An inner cavity which is vertically communicated is formed in the middle of the meter chuck expansion sleeve, the transmission rod penetrates into the lower end of an inner cavity of the meter chuck expansion sleeve, the lower end of the dial indicator penetrates into the inner cavity of the meter chuck expansion sleeve from the upper portion, and the upper end of the transmission rod is connected with the lower end of the dial indicator in an abutted mode. The handheld measuring instrument for the internal spline M value has the advantages of being more convenient to use, good in measuring stability, high in measuring precision, fast in measuring and the like, and is suitable for one-to-one measuring.
Description
technical field [0001] The invention relates to a measuring instrument, in particular to a hand-held special measuring instrument for measuring the actual value of the M value of an involute internal spline. Background technique [0002] The existing hand-held internal spline M value (rod spacing or ball spacing) universal measuring instrument generally selects a suitable measuring head and installs it on the elastic body, so that the measuring head and the measured internal spline are interactively engaged (use the calibration gauge to align the reference ), which is transmitted to the dial indicator through the transmission rod, and the indication difference can be read. This measurement method is convenient, fast, and highly versatile, but it is easy to tilt up and down during the measurement process, resulting in unstable measurement results. It requires the user to have certain measurement experience to complete relatively accurate measurement, and the operation level i...
Claims
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IPC IPC(8): G01B5/14G01B5/00
Inventor 陈子彦阳敏莉陆有为李振华周姚娟
Owner EST TOOLS