Gas meter pointer deflection mechanism
A pointer deflection, gas meter technology, applied in measuring devices, instruments, measuring fluid pressure, etc., can solve the problems of waste of materials, high price, easy to corrode, etc., and achieve the effect of material saving, small size of parts and convenient assembly
Active Publication Date: 2016-04-27
安徽成飞铜业有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defects of easy corrosion, waste of materials and high price of the gas meter devices in the prior art, and to design a mechanism with a very simple structure for deflecting the pointer of the gas meter. The parts of the mechanism are small in size , saving materials, easy assembly, using copper as raw material, so it is more corrosion-resistant
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[0012] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0013] A gas meter pointer deflection mechanism, including a base body 1, a connecting rod 2, and a transmission rod 3. The base body 1, the connecting rod 2, and the transmission rod 3 are all made of copper. not shown) are welded together, a very thin rectangular parallelepiped protruding part is designed at the bottom of the base body 1, and a cylindrical thin plate with a cylindrical hole is arranged at the end of the part, and the two ends of the connecting rod 2 have such a A cylindrical thin plate with a cylindrical hole, the base body 1 and the connecting rod 2 are connected through the hole with a cylindrical pin, and the other end of the connecting rod 2 is also connected with the transmission rod 3 through the hole with a cylindrical p...
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The invention discloses a gas meter pointer deflection mechanism. The gas meter pointer deflection mechanism includes a matrix, a connecting rod, and a transmission rod which are all made of copper, the matrix and a gas storage pipe of a gas meter are welded together, the matrix and the connecting rod are connected by a cylindrical pin, the other end of the connecting rod is connected with the transmission rod also by using a cylindrical pin, a bent portion is designed in the middle of the connecting rod, the portion has high elasticity, when pressure in the gas storage pipe of the gas meter changes, the connecting rod is pushed by the matrix, elastic force generated by the bent portion of the connecting rod pushes the transmission rod to rotate around an axis of a middle hole of the transmission rod, a sector gear of an end part of the transmission rod is meshed with a cylindrical gear on a pointer shaft of the gas meter, and when the transmission rod rotates around the axis of itself, a pointer deflects, and a deflection angle of the pointer is certainly in direct proportion to gas pressure inside the gas meter. The gas meter pointer deflection mechanism is very simple in structure, saves materials, and is very convenient to assemble, and since the material that is adopted is copper, the gas meter pointer deflection mechanism is relatively resistant to corrosion.
Description
technical field [0001] The invention relates to the technical field of gas pressure detection, in particular to a gas meter pointer deflection mechanism. Background technique [0002] With the increasing application of gas in various industries, the demand for gas meter devices used to detect air pressure is increasing. Since gas is a highly corrosive gas, the parts in contact with it are very easy to be corroded. Therefore, the materials used to produce gas meter parts must have good corrosion resistance. At present, copper is the most commonly used material, and copper, as a high-priced material, should be used sparingly. The design of the structural shape of the related parts of the watch is very necessary. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of easy corrosion, material waste and high price of the gas meter devices in the prior art, and to design a mechanism with a very simple structure for deflecting the p...
Claims
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Inventor 黄冲杰
Owner 安徽成飞铜业有限公司