Pressure gauge for gas pipeline

Abstract

The utility model discloses a pressure gauge for a gas pipeline, and relates to the technical field of pressure gauges. Comprising a pressure gauge body, a mixing structure and a pressure gauge cover body structure, the mixing structure is arranged at the lower end of the pressure gauge body, and the pressure gauge cover body structure is arranged at the upper end of the pressure gauge body. The tight connection anti-skid colloid layer is used for enabling the first connecting column, the second connecting column, the third connecting column and the fourth connecting column to be connected with the first circular groove, the second circular groove, the third circular groove and the fourth circular groove more tightly; and when the surface of the interior of the pressure gauge cover is filled with mist, the numerical value of the pressure gauge body cannot be observed clearly, a rotating shaft is driven to rotate through a miniature motor, and the rotating shaft is driven to rotate through a rotating shaft, so that the connecting column I, the connecting column II, the connecting column III and the connecting column IV are prevented from falling off from the interiors of the circular groove I, the circular groove II, the circular groove III and the circular groove IV. And the connecting rod rotates to drive a brush to rotate, and mist on the inner surface of the pressure gauge cover is cleaned through the brush.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauges, in particular to a pressure gauge for a gas pipeline. Background Art

[0002] A gas detection pressure gauge is an instrument used to measure gas pressure, and can also be used to measure the pressure difference between two gases. It uses atmospheric pressure as a reference and is used to measure the pressure of gas or steam greater than atmospheric pressure. The main application areas of gas detection pressure gauges include chemical industry, medical treatment, welding, steel metallurgy, etc. Some specific types include oxygen pressure gauges, carbon dioxide pressure gauges, nitrogen pressure gauges, propane pressure gauges, hydrogen pressure gauges, and argon pressure gauges. A barometer is a type of gas detection pressure gauge that is specifically used to measure air pressure. However, the body and cover of the existing barometer are generally fixed together. When the inside of the cover is filled with fog, it will affect the observation of the value of the barometer, and the fog in the cover is not convenient to clear. Therefore, those skilled in the art provide a pressure gauge for a gas pipeline to solve the problems raised in the above background technology. Utility Model Content

[0003] The utility model aims to provide a pressure gauge for a gas pipeline to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A pressure gauge for a gas pipeline, comprising a pressure gauge body, a mixing structure and a pressure gauge cover structure, wherein the lower end of the pressure gauge body is provided with the mixing structure, and the upper end of the pressure gauge body is provided with the pressure gauge cover structure, the mixing structure comprises: a pressure gauge connecting pipeline, a first anti-leakage rubber baffle, a second anti-leakage rubber baffle, a pressure gauge conduit, a first circular groove, a second circular groove, a third circular groove, a fourth circular groove, a gas pipeline 1 and a gas pipeline 2, the middle of the bottom surface of the pressure gauge body is connected and fixedly installed with a pressure gauge conduit, the lower end of the pressure gauge conduit is connected and fixedly installed with a pressure gauge connecting pipeline, the left end on the surface of the pressure gauge connecting pipeline is penetrated and fixedly installed with a first anti-leakage rubber baffle, and the right end on the surface of the pressure gauge connecting pipeline is penetrated and fixedly installed with a A second anti-leakage rubber baffle is fixedly installed therethrough, a gas pipeline 1 is threadedly connected to the left end of the pressure gauge connection pipe surface and located on the left side of the first anti-leakage rubber baffle, a gas pipeline 2 is threadedly connected to the right end of the pressure gauge connection pipe surface and located on the right side of the second anti-leakage rubber baffle, the pressure gauge connection pipe is connected to the interiors of the first and second gas pipelines, a circular groove 1, a circular groove 2, a circular groove 3 and a circular groove 4 are sequentially provided on the upper surface of the pressure gauge body, the pressure gauge cover structure comprises: a pressure gauge cover, a connecting column 1, a connecting column 2, a connecting column 3, a connecting column 4, a close-fitting anti-slip colloid layer, a micro motor, a rotating shaft, a connecting rod and a brush, and a pressure gauge cover is provided on the upper end of the pressure gauge body.

[0006] Preferably: the pressure gauge cover is made of transparent glass, and connecting column 1, connecting column 2, connecting column 3 and connecting column 4 are fixedly installed in sequence around the surface of the pressure gauge cover on one side opposite to the pressure gauge body.

[0007] Preferably, the positions of the connecting column 1, the connecting column 2, the connecting column 3 and the connecting column 4 correspond to the positions of the circular groove 1, the circular groove 2, the circular groove 3 and the circular groove 4 respectively.

[0008] Preferably, the connecting column 1, the connecting column 2, the connecting column 3 and the connecting column 4 are movably inserted into the inside of the circular groove 1, the circular groove 2, the circular groove 3 and the circular groove 4 respectively.

[0009] Preferably, a close-fitting anti-skid colloid layer is fixedly sleeved on the surfaces of the connecting column 1, the connecting column 2, the connecting column 3 and the connecting column 4.

[0010] Preferably, a micro motor is fixedly installed in the middle of the upper surface inside the pressure gauge cover, and a rotating shaft is movably installed in the middle of the bottom surface of the micro motor.

[0011] Preferably, a connecting rod is fixedly mounted on the bottom surface of the rotating shaft, and brushes are fixedly mounted on both left and right ends of the upper surface of the connecting rod.

[0012] Preferably, one end of the brush away from the connecting rod contacts the upper surface inside the pressure gauge cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the left end of the pressure gauge connecting pipe is threadedly connected to the inside of gas pipe one, and the right end of the pressure gauge connecting pipe is threadedly connected to the inside of gas pipe two; the function of the air leakage-proof rubber baffle piece one and the air leakage-proof rubber baffle piece two is to prevent gas from leaking from the connection between the pressure gauge connecting pipe and the gas pipe one and the gas pipe two, thereby causing inaccurate measurement results of the pressure gauge body; then the connecting column one, the connecting column two, the connecting column three and the connecting column four are movably plugged into the inside of the circular groove one, the circular groove two, the circular groove three and the circular groove four, respectively, so that the pressure gauge cover is connected to the pressure gauge body; the function of the close-fitting anti-skid colloid layer on the surface of the connecting column one, the connecting column two, the connecting column three and the connecting column four is to make the connecting column one, the connecting column two, the connecting column three and the connecting column four The connections between the circular groove one, the circular groove two, the circular groove three and the circular groove four are tighter, preventing the connecting column one, the connecting column two, the connecting column three and the connecting column four from easily falling off from the inside of the circular groove one, the circular groove two, the circular groove three and the circular groove four. When the surface inside the pressure gauge cover is full of fog and the value of the pressure gauge body is unclear, the micro motor drives the shaft to rotate, the rotation of the shaft drives the connecting rod to rotate, and the rotation of the connecting rod drives the brush to rotate. The rotating brush can clean the fog on the inner surface of the pressure gauge cover, which solves the above-mentioned problem that the body and cover of the existing barometer are generally fixed together. When the inside of the cover is full of fog, it will affect the observation of the value of the barometer, and the fog in the cover is not convenient to clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a pressure gauge for a gas pipeline.

[0015] Figure 2 This is a schematic diagram of the structure of a pressure gauge for gas pipelines with some of its structures disassembled.

[0016] Figure 3 The present invention is a structural schematic diagram of a pressure gauge body, a circular groove one, a circular groove two, a circular groove three and a circular groove four in a pressure gauge for a gas pipeline.

[0017] Figure 4 The present invention is a schematic diagram of the structure of a pressure gauge cover in a pressure gauge for a gas pipeline.

[0018] Figure 5 The present invention is a structural schematic diagram of a pressure gauge cover structure in a pressure gauge for a gas pipeline.

[0019] Figure 6The present invention is a schematic diagram of the internal structure of a pressure gauge cover in a pressure gauge for a gas pipeline.

[0020] Figure 7 The present invention is a structural schematic diagram of the connection between a pressure gauge cover and a pressure gauge body in a pressure gauge for a gas pipeline.

[0021] In the figure: 1-pressure gauge connecting pipe, 101-anti-leakage rubber baffle 1, 102-anti-leakage rubber baffle 2, 2-pressure gauge conduit, 3-pressure gauge body, 4-circular groove 1, 5-circular groove 2, 6-circular groove 3, 7-circular groove 4, 12-gas pipeline 1, 13-gas pipeline 2, 8-pressure gauge cover, 801-connecting column 1, 802-connecting column 2, 803-connecting column 3, 804-connecting column 4, 9-close-fitting anti-skid colloid layer, 10-micro motor, 1001-rotating shaft, 11-connecting rod, 1101-brush. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figures 1 to 7In the embodiment of the utility model, a pressure gauge for a gas pipeline includes a pressure gauge body 3, a mixing structure and a pressure gauge cover structure. The lower end of the pressure gauge body 3 is provided with a mixing structure, and the upper end of the pressure gauge body 3 is provided with a pressure gauge cover structure. The mixing structure includes: a pressure gauge connecting pipeline 1, an anti-leakage rubber baffle 101, an anti-leakage rubber baffle 2 102, a pressure gauge conduit 2, a circular groove 14, a circular groove 25, a circular groove 36, a circular groove 47, a gas pipeline 12 and a gas pipeline 2 13. The pressure gauge conduit 2 is fixedly installed in the middle of the bottom surface of the pressure gauge body 3, the lower end of the pressure gauge conduit 2 is connected and fixedly installed with the pressure gauge connecting pipeline 1, and the left end on the surface of the pressure gauge connecting pipeline 1 penetrates the fixed A gas pipeline 12 is threadedly connected to the left side of the gas leakage-proof rubber baffle 101, and a gas pipeline 2 13 is threadedly connected to the right side of the gas leakage-proof rubber baffle 102. The pressure gauge connecting pipeline 1 is connected to the right side of the gas leakage-proof rubber baffle 102, and the pressure gauge connecting pipeline 1 is connected to the inside of the gas pipeline 12 and the gas pipeline 2 13. The upper surface of the pressure gauge body 3 is sequentially provided with a circular groove 14, a circular groove 25, a circular groove 36 and a circular groove 47. The pressure gauge cover structure includes: a pressure gauge cover 8, a connecting column 1801, and a connecting column 1802. Connecting column 2 802, connecting column 3 803, connecting column 4 804, close-fitting anti-skid colloid layer 9, micro motor 10, rotating shaft 1001, connecting rod 11 and brush 1101, the upper end of the pressure gauge body 3 is provided with a pressure gauge cover 8, the pressure gauge cover 8 is made of transparent glass, and the pressure gauge cover 8 is fixedly installed with connecting column 1 801, connecting column 2 802, connecting column 3 803 and connecting column 4 804 on the surface of the side opposite to the pressure gauge body 3 in sequence, the positions of connecting column 1 801, connecting column 2 802, connecting column 3 803 and connecting column 4 804 correspond to the positions of circular groove 1 4, circular groove 2 5, circular groove 3 6 and circular groove 4 7 respectively, connecting column 1 801, connecting column 2 802 , connecting column three 803 and connecting column four 804 are movably inserted into the inside of circular groove one 4, circular groove two 5, circular groove three 6 and circular groove four 7 respectively, and a close-fitting anti-skid colloid layer 9 is fixedly sleeved on the surfaces of connecting column one 801, connecting column two 802, connecting column three 803 and connecting column four 804. A micro motor 10 is fixedly installed in the middle of the upper surface of the inside of the pressure gauge cover 8, and a rotating shaft 1001 is movably installed in the middle of the bottom surface of the micro motor 10. A connecting rod 11 is fixedly installed on the bottom surface of the rotating shaft 1001, and brushes 1101 are fixedly installed on the left and right ends of the upper surface of the connecting rod 11. The end of the brush 1101 away from the connecting rod 11 contacts the upper surface of the inside of the pressure gauge cover 8.

[0024] The working principle of the utility model is:

[0025] The utility model relates to a pressure gauge for a gas pipeline. In a specific use process, firstly, the left end of the pressure gauge connecting pipeline 1 is threadedly connected to the inside of a gas pipeline 12, and the right end of the pressure gauge connecting pipeline 1 is threadedly connected to the inside of a gas pipeline 2 13. The functions of the anti-leakage rubber baffle 101 and the anti-leakage rubber baffle 2 102 are to prevent gas from leaking from the connection between the pressure gauge connecting pipeline 1 and the gas pipeline 12 and the gas pipeline 2 13, thereby causing inaccurate measurement results of a pressure gauge body 3. Then, a connecting column 1 801, a connecting column 2 802, a connecting column 3 803 and a connecting column 4 804 are movably plugged into the inside of a circular groove 1 4, a circular groove 2 5, a circular groove 3 6 and a circular groove 4 7 respectively, so that a pressure gauge cover 8 is connected to the pressure gauge body 3. The connecting column 1 801, the connecting column 2 802, the connecting column 3 803 and the connecting column 4 804 are movably plugged into the inside of a circular groove 1 4, a circular groove 2 5, a circular groove 3 6 and a circular groove 4 7 respectively. The function of the close-fitting anti-skid colloid layer 9 on the surface of the connecting column four 804 is to make the connection between the connecting column one 801, the connecting column two 802, the connecting column three 803 and the connecting column four 804 and the circular groove one 4, the circular groove two 5, the circular groove three 6 and the circular groove four 7 respectively tighter, and prevent the connecting column one 801, the connecting column two 802, the connecting column three 803 and the connecting column four 804 from easily falling off from the inside of the circular groove one 4, the circular groove two 5, the circular groove three 6 and the circular groove four 7. When the surface inside the pressure gauge cover 8 is full of fog and the numerical value of the pressure gauge body 3 is unclear, the micro motor 10 drives the rotating shaft 1001 to rotate, the rotation of the rotating shaft 1001 drives the connecting rod 11 to rotate, and the rotation of the connecting rod 11 drives the brush 1101 to rotate, and the rotating brush 1101 can clean the fog on the inner surface of the pressure gauge cover 8.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pressure gauge for a gas pipeline, comprising a pressure gauge body (3), a mixing structure and a pressure gauge cover structure, characterized in that: The lower end of the pressure gauge body (3) is provided with a mixing structure, and the upper end of the pressure gauge body (3) is provided with a pressure gauge cover structure, the mixing structure comprising: a pressure gauge connecting pipe (1), an anti-leakage rubber baffle plate 1 (101), an anti-leakage rubber baffle plate 2 (102), a pressure gauge conduit (2), a circular groove 1 (4), a circular groove 2 (5), a circular groove 3 (6), a circular groove 4 (7), a gas pipe 1 (12) and a gas pipe 2 (13), the middle of the bottom surface of the pressure gauge body (3) is connected and fixedly installed with the pressure gauge conduit (2), the lower end of the pressure gauge conduit (2) is connected and fixedly installed with the pressure gauge connecting pipe (1), the left end on the surface of the pressure gauge connecting pipe (1) penetrates and is fixedly installed with the anti-leakage rubber baffle plate 1 (101), the right end on the surface of the pressure gauge connecting pipe (1) penetrates and is fixedly installed with the anti-leakage rubber baffle plate 2 (102), and the left end on the surface of the pressure gauge connecting pipe (1) is connected and fixedly installed with the pressure gauge connecting pipe (2). A gas pipeline 1 (12) is threadedly connected to the left side of the first anti-leakage rubber baffle (101); a gas pipeline 2 (13) is threadedly connected to the right end of the surface of the pressure gauge connecting pipeline (1) and the right side of the second anti-leakage rubber baffle (102); the pressure gauge connecting pipeline (1) is connected to the inside of the first gas pipeline (12) and the second gas pipeline (13); a circular groove 1 (4), a circular groove 2 (5), a circular groove 3 (6) and a circular groove 4 (7) are sequentially provided on the four sides of the upper surface of the pressure gauge body (3); the pressure gauge cover structure comprises: a pressure gauge cover (8), a connecting column 1 (801), a connecting column 2 (802), a connecting column 3 (803), a connecting column 4 (804), a close-fitting anti-skid colloid layer (9), a micro motor (10), a rotating shaft (1001), a connecting rod (11) and a brush (1101); and a pressure gauge cover (8) is provided at the upper end of the pressure gauge body (3).

2. A gas pipeline pressure gauge according to claim 1, characterized in that: The pressure gauge cover (8) is made of transparent glass, and a connecting column 1 (801), a connecting column 2 (802), a connecting column 3 (803) and a connecting column 4 (804) are fixedly installed in sequence on the four sides of the surface of the pressure gauge cover (8) on the side opposite to the pressure gauge body (3).

3. A gas pipeline pressure gauge according to claim 1, characterized in that: The positions of the connecting column 1 (801), the connecting column 2 (802), the connecting column 3 (803) and the connecting column 4 (804) respectively correspond to the positions of the circular groove 1 (4), the circular groove 2 (5), the circular groove 3 (6) and the circular groove 4 (7).

4. A pressure gauge for a gas pipeline according to claim 1, characterized in that: The connecting column 1 (801), the connecting column 2 (802), the connecting column 3 (803) and the connecting column 4 (804) are movably inserted into the inside of the circular groove 1 (4), the circular groove 2 (5), the circular groove 3 (6) and the circular groove 4 (7) respectively.

5. A gas pipeline pressure gauge according to claim 1, characterized in that: A close-fitting anti-skid colloid layer (9) is fixedly sleeved on the surfaces of the connecting column 1 (801), the connecting column 2 (802), the connecting column 3 (803) and the connecting column 4 (804).

6. A gas pipeline pressure gauge according to claim 1, characterized in that: A micro motor (10) is fixedly installed in the middle of the upper surface inside the pressure gauge cover (8), and a rotating shaft (1001) is movably installed in the middle of the bottom surface of the micro motor (10).

7. A gas pipeline pressure gauge according to claim 1, characterized in that: A connecting rod (11) is fixedly mounted on the bottom surface of the rotating shaft (1001), and brushes (1101) are fixedly mounted on both left and right ends of the upper surface of the connecting rod (11).

8. A gas pipeline pressure gauge according to claim 1, characterized in that: One end of the brush (1101) away from the connecting rod (11) contacts the upper surface inside the pressure gauge cover (8).

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