Closed adjustable vernier caliper
A closed-type, standard card technology, applied in the field of vernier calipers, can solve the problems of measurement surface wear, vernier caliper maintenance, resource waste, etc., and achieve good economic and social benefits.
Inactive Publication Date: 2005-12-21
吴峰山
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Problems solved by technology
However, after using for a period of time, the measuring surface of the vernier caliper will be worn, and the zero position of the vernier will change at this time, that is, zero position dislocation will occur. Since the position of the vernier of the closed structure vernier caliper cannot be adjusted, the vernier caliper cannot be repaired, so the entire vernier caliper has to be replaced. Only the caliper is scrapped, resulting in a great waste of resources. This is the main reason why the closed structure vernier caliper has not been used in China.
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[0013] exist image 3 In the shown real-time mode, the closed adjustable vernier caliper includes a ruler body 1, a ruler frame 2 and a vernier 3 connected with the ruler frame 2, the ruler frame 2 and the vernier 3 are connected by screws, and the two ends of the vernier 3 are provided with The stopper 4 that is connected as a whole with the ruler frame 2, the outer edge of the vernier 3 shrinks in the outer edge of the flange 5 on the ruler frame 2.
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An adjustable vernier caliper of closed type consists of caliper body, caliper frame and vernier the two of which are connected by screw and the two ends of the vernier is provided with an undetachable stop dog integrated with the vernier frame. It features that stop dogs being integrated in one body or in dead joint with caliper frame are set at two ends of vernier for protecting the vernier caliper when collision is occurred.
Description
(1) Technical field: [0001] The invention relates to a vernier caliper. (two) background technology: [0002] It has been more than half a century since the vernier caliper was asked, but there are only two types of structure. One is the vernier caliper with an open structure, that is, the vernier caliper with the vernier and the ruler frame connected by screws. The advantage of the vernier caliper with the open structure is the position of the vernier. Adjustable, allowing multiple repairs of the vernier caliper, thereby greatly extending its total service life; because the repair is relatively simple and the cost is not high (about one tenth of the purchase price), this kind of vernier caliper is widely used in China. However, because the vernier of the open-type vernier caliper is connected to the ruler frame by several small-diameter screws, the connection strength is low, and the zero position of the vernier will change due to accidental collision, resulting in inaccura...
Claims
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IPC IPC(8): G01B3/18
Inventor 吴峰山
Owner 吴峰山