Non-standard workpiece inner diameter measuring instrument
A technology for measuring instruments and workpieces, which is applied in the field of measuring tools, can solve problems such as the influence of changes in the tightness of the hand, and achieve the effects of reducing the impact, improving accuracy, and making it easier to hold the handle
Active Publication Date: 2021-08-17
北京航天华世科技股份有限公司
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Problems solved by technology
[0005] In order to improve the problem that the measurement results are affected by changes in the tightness of the hands of the staff, this application provides a non-standard workpiece inner diameter measuring instrument
Method used
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Embodiment Construction
[0036] The following is attached Figure 1-4 The application is described in further detail.
[0037] The embodiment of the present application discloses a non-standard workpiece inner diameter measuring instrument. refer to figure 1 , non-standard workpiece inner diameter measuring instrument, including a caliper 1 with a watch, a connecting piece 2 set on the caliper 1 with a watch, and a limit assembly 3 for fixing the connecting piece 2 to stabilize the reading.
[0038] refer to figure 1 The internal calipers 1 with the watch include a fixed measuring jaw 10 and a movable measuring jaw 11, and a probe 12 is fixed vertically at the ends of the fixed measuring jaw 10 and the movable measuring jaw 11 respectively, and the two measuring probes 12 extend in opposite directions. A pin shaft 13 is also rotated between the fixed jaw 10 and the movable jaw 11, and the movable jaw 11 can rotate relative to the fixed jaw 10 along the pin shaft 13; an indicator 14 is also installe...
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This application relates to the field of measuring tools, in particular to a non-standard workpiece inner diameter measuring instrument, which includes a fixed jaw, a movable jaw, a measuring head, a pin shaft, an indicator, a handle, a hand hook, a tension spring and a limit case An arc-shaped connecting piece is fixedly connected to the side of the hand hook close to the fixed measuring claw, and the connecting piece is movable through the gap between the indicator table and the handle, and the handle is provided with a function The limit assembly for limiting the movement of the connecting piece, the limit assembly includes a transmission rod that is slidably connected to the handle, the length direction of the transmission rod is parallel to the length direction of the handle, and the end of the transmission rod is close to the indicator table There are two limiting pieces for clamping and fixing the connecting pieces. The application has the effect of improving the measurement results affected by changes in the degree of tightness of the hands of workers.
Description
technical field [0001] The present application relates to the field of measuring tools, in particular to a non-standard workpiece inner diameter measuring instrument. Background technique [0002] The internal snap gauge with table is a special precision measuring tool with strong practicability, which can be used to measure the size and deviation of workpiece aperture, inner ring groove diameter and step aperture, etc. It is an irreplaceable detection workpiece for general-purpose measuring tools. [0003] The calipers in the belt table are lever transmission mechanisms, which convert the movement of the measuring surface of the movable jaw into the movement of the dial gauge or dial gauge rod, and are read by the dial gauge or dial gauge. . At present, the internal calipers sold on the market generally include handles, indicators, fixed measuring claws, movable measuring claws, hand hooks, extension springs and measuring heads; the user can hold the handle and hand hook a...
Claims
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IPC IPC(8): G01B5/12
Inventor 江向普
Owner 北京航天华世科技股份有限公司