Vernier caliper zero adjustment mechanism
A vernier caliper and zero-adjustment technology, which is applied to sliding gauges, measuring gauges, etc., can solve the problems of complicated operation, low efficiency and easy damage of vernier calipers.
Inactive Publication Date: 2017-12-05
陈锦
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Problems solved by technology
[0003] The purpose of the present invention is to provide a vernier caliper zero adjustment device, which has a reasonable structure, convenient use, and convenient operation, and better solves the problems of cumbersome operation, low efficiency, and easy damage when the vernier caliper is zeroed.
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[0008] Referring to the accompanying drawings, the vernier caliper vernier zero-adjustment mechanism includes a slideway coupling block (1), a ruler end stopper (2), a pressure claw slideway (3), a locking threaded shaft (4), a pressure plate screw (5), and a caliper Pressing plate (6), horizontal and vertical adjustment knobs (7), ruler body seat (8), ruler body seat slideway (9), zero value adjustment thread (10), movable adjustment claw (11), support block (12 ), fixed adjustment pawl (13), parts such as wedge (14).
[0009] Place the caliper on the body seat (8) and the support block (12), and place the front end of the fixed claw of the vernier caliper on the end stopper (2) to make its position relatively fixed, and lock the pressure plate screw (5) Make the caliper pressing plate (6) fix the vernier caliper to prevent it from moving. The slideway connecting block (1) moves in the slideway (3) of the pressing jaw, and the positions of the fixed adjusting jaw (13), the m...
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The present invention relates to a vernier caliper zero adjustment mechanism. According to the vernier caliper zero adjustment mechanism of the invention, a caliper body seat is provided with a straight groove matched with a caliper; the front end surface of a fixed jaw of the vernier caliper is in contact with a caliper end check block, so that it is guaranteed that the position of the vernier caliper relative to the device is fixed; the vernier caliper is firmly fastened on the caliper body seat through a caliper pressing plate, so that the caliper is prevented from moving in an adjusting process; and the relative distance of a fixed adjusting jaw and a movable adjusting jaw is adjusted through a rotary locking thread shaft, a sliding channel connecting block drives the fixed adjusting jaw, the movable adjusting jaw and the vernier of the vernier caliper to perform relative motion relative to the caliper body of the vernier caliper by rotating a zero value adjusting thread shaft, and therefore, the adjustment of the zero value of the vernier caliper is completed. The vernier caliper zero adjustment mechanism is reasonable in structure and convenient to operate. With the vernier caliper zero adjustment mechanism adopted, the problems of complex operation and high possibility of being damaged of the vernier caliper during the zero adjustment of the vernier caliper can be solved.
Description
technical field [0001] The invention relates to the field of calibration and maintenance of measuring instruments, in particular to a special device for adjusting the zero position of a vernier caliper. Background technique [0002] At present, during the maintenance of the vernier caliper, the method of zero position adjustment of the vernier is usually to use a copper hammer to continuously tap the vernier, so that relative movement occurs between the vernier and the ruler body to complete the zero position adjustment. There are two disadvantages in this method: one is that the screw connecting the vernier and the ruler body is easily broken in the process of knocking the vernier, causing the screw to break and remain inside the ruler body and cannot be taken out, resulting in the caliper being irreparable and losing its use function; Because the relationship between the tapping force and the screw fastening force is uncertain, it is necessary to reciprocate and continuous...
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IPC IPC(8): G01B3/20
CPCG01B3/20
Inventor 陈锦
Owner 陈锦