Flange with pressure detection function

Abstract

The flange with the pressure detection function comprises a first flange plate, a second flange plate and a first pressure sensing assembly, the first flange plate is provided with a first butt joint part, the second flange plate is provided with a second butt joint part, the first flange plate is provided with a connecting bolt, and the second flange plate is provided with a second pressure sensing assembly. The tail end of the connecting bolt extends to the position below the second flange plate and is provided with a nut, a pipeline is arranged on the lower portion of the second flange plate, and the first pressure sensing assembly is arranged between the first flange plate and the second flange plate. According to the flange with the pressure detection function, through the first pressure sensing assembly arranged between the first flange plate and the second flange plate and the second pressure sensing assembly arranged on the outer side of the flange plate, whether the pressure borne by the joint of the first flange plate and the second flange plate changes or not is detected; the connection strength of the two flange plates is prevented from being affected by too large internal pressure of the pipeline, and meanwhile, the detection precision is more sensitive.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing devices, in particular to a flange with a pressure detection function. Background Art

[0002] A flange with pressure detection function usually refers to a flange with a pressure sensor or pressure measuring device, which is mainly used to measure pressure changes in pipelines or containers and transmit these data to a monitoring system or control system to achieve real-time monitoring and control.

[0003] It is difficult to perform pressure testing on existing flange devices after installation, and the testing accuracy is relatively low.

[0004] Therefore, it is necessary to provide a flange with a pressure detection function to solve the above technical problems. Utility Model Content

[0005] The utility model provides a flange with a pressure detection function, which solves the problem that the existing flange device is difficult to perform pressure detection after installation and the detection accuracy is relatively low.

[0006] In order to solve the above technical problems, the utility model provides a flange with a pressure detection function, including: a first flange plate, a second flange plate and a first pressure sensing component, the first flange plate is provided with a first docking portion, the second flange plate is provided with a second docking portion, the first flange plate is provided with a connecting bolt, the end of the connecting bolt extends to the bottom of the second flange plate and is provided with a nut, a pipeline is provided at the bottom of the second flange plate, and the first pressure sensing component is provided between the first flange plate and the second flange plate.

[0007] Preferably, the first pressure sensing assembly is provided with two groups, the first pressure sensing assembly comprises a first fixing plate and a second fixing plate, the first fixing plate is fixedly connected to the first flange, the second fixing plate is fixedly connected to the second flange, a spring is fixedly connected to the first fixing plate, the other end of the spring is fixedly connected to a positioning plate, a groove is provided on the second fixing plate, and the positioning plate matches the groove.

[0008] Preferably, a first base is arranged on the second fixing plate, a first pressure sensor is arranged on the first base, and a first trigger block is arranged on the first fixing plate.

[0009] Preferably, a first mounting seat is provided on the pipeline, extension plates are provided on both sides of the first mounting seat, a second pressure sensing component is provided on the extension plate, the second pressure sensing component includes a U-shaped plate, a guide rod and a slide groove are provided on the surface of the U-shaped plate, a lifting plate is slidably connected to the slide groove, and the lifting plate is slidably connected to the guide rod.

[0010] Preferably, a second base is provided on the lifting plate, a second pressure sensor is provided on the second base, and a second trigger block is provided on the inner side of the U-shaped plate.

[0011] Preferably, a first sealing ring is arranged at the periphery of the first docking part and the second docking part, a second mounting seat is arranged on the first flange, a pressure relief valve is arranged on the second mounting seat, and a second sealing ring is arranged at the connection between the pressure relief valve and the second mounting seat.

[0012] Compared with the related art, the flange with pressure detection function provided by the utility model has the following beneficial effects:

[0013] The utility model provides a flange with a pressure detection function. Through a first pressure sensing component arranged between a first flange and a second flange, and a second pressure sensing component outside the flange, it is detected whether the pressure at the connection between the first flange and the second flange changes, thereby preventing the internal pressure of the pipeline from being too large, which may affect the connection strength of the two flanges, and at the same time, the detection accuracy is more sensitive. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a flange with a pressure detection function provided by the utility model;

[0015] Figure 2 It is a schematic diagram of the structure after the first and second flanges in the utility model are disassembled;

[0016] Figure 3 It is a structural schematic diagram of the second pressure sensing component in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the first pressure sensing component in the utility model.

[0018] Numbers in the figure: 1. first flange, 2. second flange, 3. first docking part, 4. second docking part, 5. connecting bolt, 6. nut, 7. first sealing ring, 8. pipeline, 9. first pressure sensing assembly, 91. first fixing plate, 92. second fixing plate, 93. spring, 94. positioning plate, 95. groove, 96. first base, 97. first pressure sensor, 98. first trigger block, 10. first mounting seat, 11. extension plate, 12. second pressure sensing assembly, 121. U-shaped plate, 122. guide rod, 123. slide groove, 124. lifting plate, 125. second base, 126. second pressure sensor, 127. second trigger block, 13. second mounting seat, 14. pressure relief valve, 15. second sealing ring. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a flange with a pressure detection function provided by the utility model;

[0021] Figure 2 It is a schematic diagram of the structure after the first and second flanges in the utility model are disassembled;

[0022] Figure 3 It is a structural schematic diagram of the second pressure sensing component in the utility model;

[0023] Figure 4 It is a structural schematic diagram of the first pressure sensing component in the utility model.

[0024] A flange with a pressure detection function includes: a first flange plate 1, a second flange plate 2 and a first pressure sensing component 9, wherein the first flange plate 1 is provided with a first docking portion 3, the second flange plate 2 is provided with a second docking portion 4, the first flange plate 1 is provided with a connecting bolt 5, the end of the connecting bolt 5 extends to the bottom of the second flange plate 2 and is provided with a nut 6, a pipe 8 is provided at the bottom of the second flange plate 2, and the first pressure sensing component 9 is arranged between the first flange plate 1 and the second flange plate 2.

[0025] By setting the first pressure sensing assembly 9 between the first flange 1 and the second flange 2, it is possible to detect whether the pressure at the connection between the first flange 1 and the second flange 2 changes after installation, thereby preventing the internal pressure of the pipeline 8 from being too high, which may affect the connection strength of the two flanges.

[0026] The first pressure sensing assembly 9 is provided with two groups, and the first pressure sensing assembly 9 includes a first fixing plate 91 and a second fixing plate 92. The first fixing plate 91 is fixedly connected to the first flange 1, and the second fixing plate 92 is fixedly connected to the second flange 2. A spring 93 is fixedly connected to the first fixing plate 91, and a positioning plate 94 is fixedly connected to the other end of the spring 93. A groove 95 is opened on the second fixing plate 92, and the positioning plate 94 matches the groove 95.

[0027] The spring 93 relies on the positioning plate 94 and the groove 95 to provide buffering and connection between the first fixing plate 91 and the second fixing plate 92.

[0028] A first base 96 is disposed on the second fixing plate 92 , a first pressure sensor 97 is disposed on the first base 96 , and a first trigger block 98 is disposed on the first fixing plate 91 .

[0029] The first trigger block 98 is initially in contact with the first pressure sensor 97, and the sensor reading is also an initial value. When the first flange 1 and the second flange 2 on this side are pressurized and move closer to or farther from each other, the sensor reading also changes accordingly.

[0030] A first mounting seat 10 is arranged on the pipe 8, and extension plates 11 are arranged on both sides of the first mounting seat 10. A second pressure sensing component 12 is arranged on the extension plate 11. The second pressure sensing component 12 includes a U-shaped plate 121, and a guide rod 122 and a slide groove 123 are arranged on the surface of the U-shaped plate 121. A lifting plate 124 is slidably connected to the slide groove 123, and the lifting plate 124 is slidably connected to the guide rod 122.

[0031] The lifting plate 124 moves up and down through the guide rod 122 and the slide groove 123 when the first flange 1 and the second flange 2 are deformed.

[0032] A second base 125 is disposed on the lifting plate 124 , a second pressure sensor 126 is disposed on the second base 125 , and a second trigger block 127 is disposed on the inner side of the U-shaped plate 121 .

[0033] The second pressure sensor 126 is triggered in the same manner as the first pressure sensor 97 , and the reading change is triggered by the second trigger block 127 .

[0034] A first sealing ring 7 is arranged on the periphery of the first docking portion 3 and the second docking portion 4 , a second mounting seat 13 is arranged on the first flange 1 , a pressure relief valve 14 is arranged on the second mounting seat 13 , and a second sealing ring 15 is arranged at the connection between the pressure relief valve 14 and the second mounting seat 13 .

[0035] The first sealing ring 7 and the second sealing ring 15 enhance the sealing performance to prevent leakage, and the pressure relief valve 14 relieves the pressure in the pipeline 8.

[0036] The working principle of a flange with pressure detection function provided by the utility model is as follows:

[0037] By setting the first pressure sensing assembly 9 between the first flange 1 and the second flange 2, it is possible to detect whether the pressure at the connection between the first flange 1 and the second flange 2 changes after installation, thereby preventing the internal pressure of the pipeline 8 from being too high, which may affect the connection strength of the two flanges.

[0038] Compared with the related art, the flange with pressure detection function provided by the utility model has the following beneficial effects:

[0039] By means of a first pressure sensing assembly 9 provided between the first flange 1 and the second flange 2, and a second pressure sensing assembly 12 on the outside of the flanges, it is detected whether the pressure at the connection between the first flange 1 and the second flange 2 changes, thereby preventing the internal pressure of the pipeline 8 from being too high, which may affect the connection strength of the two flanges, and at the same time, the detection accuracy is more sensitive.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A flange with pressure detection function, characterized in that: include: A first flange, a second flange and a first pressure sensing assembly, wherein the first flange is provided with a first docking portion, the second flange is provided with a second docking portion, the first flange is provided with connecting bolts, the ends of the connecting bolts extend to the bottom of the second flange and are provided with nuts, a pipeline is provided at the bottom of the second flange, and the first pressure sensing assembly is provided between the first flange and the second flange.

2. A flange with pressure detection function according to claim 1, characterized in that: The first pressure sensing assembly is provided with two groups, and the first pressure sensing assembly includes a first fixing plate and a second fixing plate, the first fixing plate is fixedly connected to the first flange, the second fixing plate is fixedly connected to the second flange, a spring is fixedly connected to the first fixing plate, the other end of the spring is fixedly connected to a positioning plate, the second fixing plate is provided with a groove, and the positioning plate matches the groove.

3. A flange with pressure detection function according to claim 2, characterized in that: The second fixing plate is provided with a first base, the first base is provided with a first pressure sensor, and the first fixing plate is provided with a first trigger block.

4. The flange with pressure detection function according to claim 1, characterized in that: A first mounting seat is arranged on the pipeline, extension plates are arranged on both sides of the first mounting seat, a second pressure sensing component is arranged on the extension plate, the second pressure sensing component includes a U-shaped plate, a guide rod and a slide groove are arranged on the surface of the U-shaped plate, a lifting plate is slidably connected to the slide groove, and the lifting plate is slidably connected to the guide rod.

5. The flange with pressure detection function according to claim 4, characterized in that: The lifting plate is provided with a second base, the second base is provided with a second pressure sensor, and the inner side of the U-shaped plate is provided with a second trigger block.

6. The flange with pressure detection function according to claim 1, characterized in that: A first sealing ring is arranged at the periphery of the first docking part and the second docking part, a second mounting seat is arranged on the first flange, a pressure relief valve is arranged on the second mounting seat, and a second sealing ring is arranged at the connection between the pressure relief valve and the second mounting seat.

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