[New patent introduction] A throttling, shock-proof and shock-proof pressure gauge

Today, I will introduce a national invention authorized patent-a throttling, shock-proof and shock-proof pressure gauge. The patent was applied for by Wuxi Kaifeng Pressure Gauge Co., Ltd., and the authorization was announced on December 22, 2017.

Content description

The invention relates to the technical field of pressure gauges, in particular to a throttling shockproof and shockproof pressure gauge.

Background of the invention

At present, for water or oil field extraction, mechanical pointer pressure gauges are mainly used. This type of pressure gauge has low cost and clear readings. However, due to the threaded hard link between the pressure gauge and the installation port, the shock resistance is poor. Routine maintenance is relatively frequent, and large tools are often used in construction to perform operations such as percussion. Severe vibrations are particularly easy to damage the pressure gauge parts and cause inaccurate readings. At the same time, due to the high wellheads of some oil or water wells, the pressure gauges are tightly installed. After solidification, sometimes it is difficult to observe the reading side of the meter, which brings trouble to daily work, and seriously reduces the efficiency of water or oil extraction.

Summary of the invention

The purpose of the present invention is to provide a throttling shock-proof and shock-proof pressure gauge, which has the advantages of good shock-proof and shock-resistant effects, and solves the problem of poor shock-proof and shock-resistant effects of traditional pressure gauges, more troublesome routine maintenance, and increased users The workload cannot guarantee the normal use of the pressure gauge, which seriously reduces the efficiency of water or oil extraction.

In order to achieve the above objective, the present invention provides the following technical solutions: a throttling shock-proof shock-proof pressure gauge, including a conveying pipe, fixed blocks are fixedly connected to both sides of the top of the conveying pipeline, and the top of the fixed block is fixedly connected with a shell and a shell. The top of the body is provided with a pressure gauge body, the bottom of the pressure gauge body is connected with a metal tube, the top of the housing is provided with a movable plate, the bottom of the metal tube passes through the movable plate and extends to the inner cavity of the housing and is connected with a hose , The bottom of the hose penetrates the shell and communicates with the conveying pipe; the inner cavity of the shell is movably connected with a lifting plate, both sides of the top of the lifting plate are fixedly connected with connecting rods, and the top of the connecting rod is fixedly connected with the bottom of the movable plate. Both sides of the inner cavity of the shell are fixedly connected with fixing plates, so

The two sides of the lifting plate are respectively movably connected to the side of the fixed plate away from the inner wall of the housing. Both sides of the bottom of the inner cavity of the housing are fixedly connected with a first spring. The top of the first spring is fixedly connected to the bottom of the lifting plate. Both sides of the cavity are movably connected with spring plates. The side of the spring plate close to the metal tube is movably connected with a transmission plate through a rotating shaft. The side of the transmission plate away from the spring plate is fixedly connected with the surface of the metal tube, and the spring plate is far away from the transmission plate. Both the top and bottom of the second spring are fixedly connected with a second spring, and one end of the second spring away from the spring plate is fixedly connected with the inner wall of the movable plate.

The top of the pressure gauge body is movably connected with an instrument cover through a rotating shaft, and the cross-sectional area of ​​the gauge cover is equal to the cross-sectional area of ​​the pressure gauge body. The two sides of the lifting plate are fixedly connected with sliding blocks, the side of the fixed plate away from the inner wall of the housing is provided with a sliding groove, and the side of the sliding block away from the lifting plate extends to the inner cavity of the sliding groove. The inner cavity of the pressure gauge body is provided with a meter pointer, the left end of the meter pointer is set in a needle shape, and the width of the right end of the meter pointer is greater than the width of the left end. The stiffness coefficient of the first spring is greater than the stiffness coefficient of the second spring, and the stiffness coefficient of the first spring is five Newtons per centimeter.

Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The present invention provides a housing, a movable plate, a lifting plate, a connecting rod, a fixed plate, a first spring, a spring plate, a transmission plate and a second spring. It can increase the shockproof effect of the pressure gauge body, and increase the impact resistance of the pressure gauge body. It is durable, saves the user's daily maintenance time, ensures the normal use of the pressure gauge body, and ensures the accuracy of the pressure gauge body detection. The service life of the pressure gauge body is improved, and the efficiency of taking water or oil is improved. 2. The present invention can effectively protect the surface of the pressure gauge body through the setting of the gauge cover, avoid the problem of sharp objects scratching the surface of the pressure gauge body, and ensure that the indicator of the pressure gauge body can be cleared. , The setting of the sliding block and the chute can increase the stability of the lifting plate during the descending process, and avoid the problem of random shaking of the lifting plate.

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