Improved structure of caliper
A caliper and vernier technology, applied in the field of measuring tools, can solve the problems of excessive lateral clearance of calipers and inaccurate measurement results, and achieve the effects of simple design, inaccurate measurement results and few parts.
Active Publication Date: 2012-08-22
ZHEJIANG CHANGXING YOUFOUND PRECISION
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Problems solved by technology
[0003] The problem to be solved by the present invention is to provide an improved structure of the caliper, which has a simple and reasonable structure design, solves the problem of inaccurate measurement results caused by the excessive lateral clearance of the existing caliper, eliminates errors generated in the measurement principle, and improves the measurement accuracy of the caliper
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[0021] Such as image 3 As shown, an improved structure of a caliper includes a main ruler 1, a vernier ruler 2, and a measuring claw 3 arranged on the main ruler 1 and the vernier ruler 2. The upper end of the vernier ruler 2 is provided with a first Positioning mechanism 20, the lower end of the vernier scale 2 is provided with a second positioning mechanism 21 that is diagonal to the first positioning mechanism 20, and the first positioning mechanism 20 and the second positioning mechanism 21 are against the main ruler 1 respectively. The upper end surface and the lower end surface limit the lateral offset of the vernier ruler 2, and the lower end of the vernier ruler 2 is provided on the side close to the measuring claw 3. An elastic pressing mechanism 22 is abutted against the lower end surface of the main ruler 1 so that the first positioning mechanism 20 and the second The second positioning mechanism 21 maintains the state of resisting the main ruler 1 . The first pos...
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The invention discloses an improved structure of a caliper, which comprises a main ruler, a vernier and measuring jaws arranged on the main ruler and the vernier, wherein a first positioning mechanism is arranged on one side of the upper end of the vernier which is near to the measuring jaw, a second positioning mechanism which forms a diagonal structure with the first positioning mechanism is arranged at the lower end of the vernier, the first positioning mechanism and the second positioning mechanism respectively push against the upper end surface and the lower end surface of the main ruler for limiting the lateral shift of the vernier, an elastic pressing mechanism is arranged on one side of the lower end of the vernier which is near to the measuring jaw, and the top of the elastic pressing mechanism is connected with the lower end surface of the main ruler for leading the first positioning mechanism and the second positioning mechanism to keep the state of pushing against the main ruler. The improved structure can solve the problem of inaccurate measurement result caused by excessive lateral gap of the existing caliper, eliminate errors produced by the aspect of measurement principle and improve the measurement precision of the caliper.
Description
technical field [0001] The invention relates to a measuring tool, in particular to an improved structure of a caliper. Background technique [0002] Due to the non-coincidence of the measuring surface and the reference measuring axis of the existing caliper measuring tools such as vernier calipers and height gauges, and the lateral fit gap between the ruler body and the ruler frame, the accuracy of the measurement results is seriously affected. Such as figure 1 As shown, the matching gap between the ruler body 01 and the ruler frame 02 of measuring tools such as calipers and height rulers currently on the market is generally adjusted by the front and rear set screws 04 on the ruler frame, and is applied to the curved spring piece by adjusting the set screws. 03 to ensure that the ruler body slides along the reference plane of the ruler frame, thereby controlling the lateral clearance. However, there are the following problems in the use of this type of caliper: (1) During ...
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IPC IPC(8): G01B3/20
Inventor 杨军张姜军
Owner ZHEJIANG CHANGXING YOUFOUND PRECISION