Multipurpose vernier calipers and its use
A technology of vernier calipers and vernier rulers, which is applied in the field of measuring instruments, can solve the problems of inconvenient carrying and high price, and achieve the effects of convenient carrying, wide measuring range and simple structure
Inactive Publication Date: 2006-05-24
梁加政
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Problems solved by technology
Although the 3D manipulator can accurately measure the arc radius and the measurement range is not limited, it is expensive and inconvenient to carry
Method used
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[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. Such as figure 1 As shown, the multipurpose vernier caliper of the present invention comprises a main ruler 1, a vernier ruler 3 slidable along the main ruler 1 on the main ruler 1, an outer measuring claw 12 on one side of the main ruler 1, and an outer measuring claw 32 on one side of the vernier ruler 3 , the inner measuring claw 11 on the other side of the main ruler 1, the inner measuring claw 31 measured on the other side of the vernier scale 3, the end of the outer measuring claw 12 on the main ruler 1 is connected with the first spherical probe 21, and the other outer measuring claw The end of 32 connects the second spherical measuring head 22 and the third spherical measuring head 23, the fastening screw 4 on the vernier ruler 3, and the outer measuring claw 32 upper end of the vernier ruler 3 holding one side is provided with a convers...
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The invention discloses a multi-purpose vernier caliper and its use method. The technical problem to be solved is to make the measuring gauge simple in structure, easy to carry, and able to quickly measure the arc radius value with a large range. The end of the outer measuring claw on the main ruler is connected with a The first measuring head, the end of the outer measuring claw on the vernier is connected with the second and the third measuring head, the second measuring head is located between the first and the third measuring head, and its measuring point is the same as the first and the third measuring head The distance between the measuring points of the first measuring head is constant, and the distance between the measuring points of the third measuring probe is constant. When measuring the upper or lower part of the connecting line, adjust the vernier ruler so that the measuring point of the first measuring probe, the measuring point of the second measuring probe and the measuring point of the third measuring probe are evenly in contact with the arc, and the circle is read out. For the arc radius value, compared with the prior art, three measuring heads are connected to the end of the outer measuring claw of the vernier caliper, so that the vernier caliper can also measure the arc radius in addition to the original measuring function.
Description
technical field [0001] The invention relates to a measuring instrument, in particular to a multi-purpose vernier caliper capable of measuring the radius of an arc and a method for using it. Background technique [0002] At this stage, R gauges or 3D manipulators are commonly used to measure the arc radius value. R gauge is a kind of caliper with relatively limited measuring range. There are 3 groups commonly used, and the measuring ranges are: R1mm~R6.5mm; R7mm~R14.5mm; R15mm~R25mm. Although the 3D manipulator can accurately measure the arc radius value and the measurement range is not limited, it is expensive and inconvenient to carry. Contents of the invention [0003] The object of the present invention is to provide a multi-purpose vernier caliper and its usage method. The technical problem to be solved is to make the measuring gauge simple in structure, easy to carry, and able to quickly measure the arc radius value with a large range. [0004] The present invention...
Claims
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IPC IPC(8): G01B3/18G01B3/38G01B3/20
CPCG01B3/20
Inventor 梁加政
Owner 梁加政