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External thread pitch diameter measuring device

A technology of measuring device and external thread, applied in the field of measuring instruments, can solve problems such as replacing measuring heads, and achieve the effect of simple and convenient operation

Active Publication Date: 2017-05-31
HENAN PINGGAO ELECTRIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a device for measuring the pitch diameter of external threads to solve the problem that the measuring head needs to be replaced when measuring multiple groups of external threads with different pitches in the current pitch diameter measuring device for external threads

Method used

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Embodiment Construction

[0046] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0047] A specific embodiment of an external thread pitch diameter measuring device of the present invention, such as Figure 1 to Figure 27As shown, the external thread pitch diameter measuring device includes a measuring ruler 1, a concave measuring head 2 and a convex measuring head 3 arranged on the measuring ruler 1, the measuring ruler 1 is a vernier caliper, and the convex and concave measuring heads are respectively fixed on the vernier caliper by positioning pins. On the fixed claw 11 and the moving claw 12 of the vernier caliper, in the present embodiment, the concave measuring head 3 is arranged on the fixed claw 11 of the vernier caliper, and the convex measuring head 3 is arranged on the moving claw 12 of the vernier caliper. In other embodiments of the present invention , according to actual application requirements, the concave measuring he...

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Abstract

The invention relates to the field of measuring instruments, in particular to an external thread pitch diameter measuring device, comprising a measuring ruler, a convex measuring head and a convex measuring head; the concave measuring head comprises a measuring head seat provided with first and second slip jaws which cooperate and form a measuring tooth slot for clamping a thread tooth, the measuring tooth slot includes first and second clamping faces for clamping the thread tooth, the first clamping face is arranged on the first slip jaw, the second clamping face is arranged on the second slip jaw, the first and second slip jaws are in guided sliding fit with the measuring head seat, the size of the measuring tooth slot may be adjusted by sliding the first and second slip jaws, the convex measuring head is provided with measuring teeth paired to the measuring tooth slot and used for matching with a thread tooth groove. The size of the measuring tooth slot in the external thread pitch diameter measuring device may be adjusted to adapt to threads of different pitches, and the problem that an existing external thread pitch diameter measuring device has a need for changing measuring heads to measure external threads of different pitches is solved.

Description

technical field [0001] The invention relates to the field of measuring instruments, in particular to an external thread pitch diameter measuring device. Background technique [0002] The measurement of the pitch diameter of the existing external thread usually adopts the thread plug gauge, and the detection of the single pitch diameter of the existing thread plug gauge adopts the three-pin measurement method, because the three-pin measuring instrument used in the three-pin measurement method has high precision and is difficult to manufacture , the price is high and cannot be repaired after wear and tear, and the deviation of the needle diameter, the pitch of the measured part, the half-angle deviation, and the helix angle all affect the measurement result of a single pitch diameter. If these effects are eliminated, the deviation of each item needs to be measured first. value and cumbersome calculations, heavy workload, and low measurement efficiency. In order to solve the ab...

Claims

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Application Information

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IPC IPC(8): G01B5/08
CPCG01B5/08
Inventor 张子明李倩倩肖欣晨祁雨樊金民张艺高牛哲荟朱润东
Owner HENAN PINGGAO ELECTRIC
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