Oil-water isolation device for oil-forbidden pressure gauge verification of pressure gauge verification device

Abstract

The utility model provides a pressure gauge calibrating device oil-forbidden pressure gauge calibrating oil-water isolation device which comprises a device body, a partition plate is arranged in the center of the interior of the device body, a through hole is formed in the lower portion of the surface of the partition plate, a drain outlet plug is arranged on the left side of the top of the device body, and the drain outlet plug is arranged on the right side of the top of the device body. An oxygen oil prohibition meter connector is arranged on the top of the device body and located on the right side of the drain outlet plug, the detection device is installed on the left side of the bottom of the device body, and one end of the detection device connector is connected with a pressurization oil return pipe. The oil-water isolation device for the oil-forbidden pressure gauge verification of the pressure gauge verification device solves the problem that the spring rubber sealing plate of a crude oil-water isolation device is aged and fractured to leak oil and enter an oxygen pressure gauge to cause oil contamination, is high in safety performance and reliability, reduces frequent replacement of the elastic rubber sealing plate, and reduces the cost. And oil contamination explosion accidents in the use process of the oxygen pressure gauge are prevented.

Description

Technical Field

[0001] This utility model relates to the field of testing oil-free pressure gauges such as oxygen meters, and in particular to an oil-water isolation device for testing oil-free pressure gauges. Background Technology

[0002] Oxygen pressure gauges are widely used in industrial enterprises and medical oxygen chambers, particularly in the manufacture and maintenance of oxygen cylinders for electric welding. These gauges measure gauge pressure. Due to oxygen's strong oxidizing properties, a special gauge is required for measuring oxygen pressure; this is the oxygen pressure gauge. National regulations and standards for oxygen pressure gauges are clear, essentially covering two aspects: no contact with any oils or greases is allowed during component production, assembly, and calibration; the dial has a red "no oil" sign. The safety of an oxygen pressure gauge depends primarily on whether the manufacturer strictly adheres to national regulations throughout the entire production process. The main difference between an oxygen pressure gauge and a regular pressure gauge is that an oxygen pressure gauge is oil-free. This means that the final calibration of the assembled gauge uses gas or water to verify the pressure, whereas a regular pressure gauge uses oil. This is because oxygen is not self-igniting but can support combustion; oxygen at pressures above 2.49 MPa will react violently with greases, hence the prohibition of oil use.

[0003] During the calibration of oxygen pressure gauges, it is strictly forbidden for the pressure oil from the calibration device to enter the oxygen pressure gauge, causing oil contamination inside the gauge and potentially leading to an explosion during use. Therefore, an oil-water isolation device must be used during the calibration of oxygen pressure gauges to ensure their safe operation.

[0004] The existing pressure gauge calibration device uses an elastic rubber sealing plate for oil-water isolation. The elastic rubber sealing plate is prone to aging and may break under high pressure, allowing oil to enter the oxygen pressure gauge, causing oil contamination and potentially leading to an explosion. The elastic rubber sealing plate needs to be replaced frequently.

[0005] Therefore, it is necessary to provide an oil-free pressure gauge calibration device and an oil-water isolation device to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides an oil-water isolation device for pressure gauge calibration, which solves the problem that existing pressure gauge calibration devices use elastic rubber sealing plates for isolation. These elastic rubber sealing plates are prone to aging and can break under high pressure, allowing oil to enter the oxygen pressure gauge, causing oil contamination and potentially leading to an explosion. Furthermore, the elastic rubber sealing plates need frequent replacement.

[0007] To solve the above-mentioned technical problems, this utility model provides a pressure gauge calibration device with an oil-free pressure gauge calibration oil-water isolation device, comprising:

[0008] The device body has a partition plate at its center and a through hole at the lower part of the surface of the partition plate.

[0009] A drain plug is provided on the left side of the top of the device body, and an oxygen-oil-free gauge connector is provided on the top of the device body and on the right side of the drain plug.

[0010] The detection device connector is installed on the left side of the bottom of the device body, and one end of the detection device connector is connected to a pressurized return oil pipe.

[0011] Preferably, a water cavity layer is provided inside the device body and on both the left and right sides of the partition plate.

[0012] Preferably, an oil layer is provided inside the device body and above the water cavity layer.

[0013] Preferably, a fixing assembly is provided between the device body and the drain plug. The fixing assembly includes two fixing rings, two rubber pads, two bolts, two L-shaped fixing rods, two sliders and two sliding grooves. The two rubber pads are respectively bonded to the inner walls of the two fixing rings, and the two bolts are disposed between the two fixing rings.

[0014] Preferably, the two L-shaped fixing rods are respectively connected to the center position of one side of the two fixing rings.

[0015] Preferably, the two sliders are respectively connected to the bottom ends of the two L-shaped fixing rods.

[0016] Preferably, the two grooves are respectively opened on the top of the device body and located on the left and right sides of the drain plug, and the two sliders are respectively slidably connected inside the two grooves.

[0017] Compared with related technologies, the oil-water isolation device for oil-free pressure gauge calibration provided by this utility model has the following beneficial effects:

[0018] This utility model provides a pressure gauge calibration device with an oil-water isolation system. The device body includes a partition plate with through holes, a drain plug, an oxygen oil-free gauge connector, a testing device connector, and a pressurized return oil pipe. These components work together to solve the problem of oil leakage from the aging and cracking of the spring rubber sealing plate in the crude oil-water isolation device, which leads to oil contamination in the oxygen pressure gauge. This device offers high safety and reliability, reduces the need for frequent replacement of the elastic rubber sealing plate, and prevents oil contamination and explosion accidents during the use of the oxygen pressure gauge. Attached Figure Description

[0019] Figure 1 A schematic diagram of the first embodiment of the oil-water isolation device for oil-free pressure gauge calibration provided by this utility model;

[0020] Figure 2 This is a schematic diagram of the second embodiment of the oil-water isolation device for oil-free pressure gauge calibration provided by this utility model;

[0021] Figure 3 for Figure 2 The enlarged schematic diagram of part A is shown.

[0022] The diagram labels are as follows: 1. Device body; 2. Divider plate; 3. Through hole; 4. Drain plug; 5. Oxygen oil-free gauge connector; 6. Detection device; 7. Pressurized return oil pipe; 8. Water chamber layer; 9. Oil layer;

[0023] 10. Fixing component; 101. Fixing ring; 102. Rubber pad; 103. Bolt; 104. L-shaped fixing rod; 105. Slider; 106. Slide groove. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] First Embodiment

[0026] Please refer to the following: Figure 1 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of an oil-free pressure gauge calibration oil-water isolation device provided by this utility model. The oil-free pressure gauge calibration oil-water isolation device includes:

[0027] The device body 1 has a partition plate 2 at the center of its interior and a through hole 3 at the lower part of the surface of the partition plate 2.

[0028] A drain plug 4 is provided on the left side of the top of the device body 1. An oxygen-oil-free gauge connector 5 is provided on the top of the device body 1 and on the right side of the drain plug 4.

[0029] The detection device connector 6 is installed on the left side of the bottom of the device body 1, and one end of the detection device connector 6 is connected to the pressurized return oil pipe 7.

[0030] Water cavity layers 8 are provided inside the main body 1 of the device and on both the left and right sides of the partition plate 2.

[0031] An oil layer 9 is disposed inside the device body 1 and above the water cavity layer 8.

[0032] During the calibration of oxygen pressure gauges, the oil-water separation efficiency is good, oil contamination is not easy to occur, the safety performance is highly reliable, and only water needs to be added in time.

[0033] Compared with related technologies, the oil-water isolation device for oil-free pressure gauge calibration provided by this utility model has the following beneficial effects:

[0034] This utility model provides a pressure gauge calibration device with an oil-water isolation system. The device body 1 includes a partition plate 2 with a through hole 3, a drain plug 4, an oxygen oil-free gauge connector 5, a testing device connector 6, and a pressurized return oil pipe 7, which work together to solve the problem of oil leakage from the aging and cracking of the spring rubber sealing plate in the crude oil-water isolation device, thus preventing oil contamination in the oxygen pressure gauge. It offers high safety and reliability, reduces the need for frequent replacement of the elastic rubber sealing plate, and prevents oil-related explosions during the use of the oxygen pressure gauge.

[0035] Second Embodiment

[0036] Please refer to the following: Figure 2 and Figure 3 Based on the first embodiment of this application which provides an oil-free pressure gauge calibration device with oil-water isolation, the second embodiment of this application proposes another oil-free pressure gauge calibration device with oil-water isolation. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0037] Specifically, the second embodiment of this application provides a pressure gauge calibration device with an oil-free pressure gauge calibration oil-water isolation device, which differs in that the device body 1 and the drain plug 4 are provided with a fixing component 10. The fixing component 10 includes two fixing rings 101, two rubber pads 102, two bolts 103, two L-shaped fixing rods 104, two sliders 105 and two sliding grooves 106. The two rubber pads 102 are respectively bonded to the inner walls of the two fixing rings 101, and the two bolts 103 are disposed between the two fixing rings 101.

[0038] The two L-shaped fixing rods 104 are respectively connected to the center position of one side of the two fixing rings 101.

[0039] The two sliders 105 are respectively connected to the bottom ends of the two L-shaped fixing rods 104.

[0040] The two grooves 106 are respectively opened on the top of the device body 1 and located on the left and right sides of the drain plug 4, and the two sliders 105 are respectively slidably connected to the inside of the two grooves 106.

[0041] The use of slider 105 and slide groove 106 facilitates the movement of two fixed rings 101 by L-shaped fixed rod 104. The use of rubber pad 102 can play an anti-slip role after the fixed ring 101 contacts the drain plug 4. A threaded through hole adapted to bolt 103 is provided on the opposite side of the two fixed rings 101.

[0042] The working principle of the oil-water isolation device for oil gauge calibration provided by this utility model is as follows:

[0043] In use, after the drain plug 4 is installed on the top of the device body 1, the two fixing rings 101 with rubber pads 102 are pushed to move under the action of the slider 105 and the slide groove 106 until they contact the surface of the drain plug 4. After the two fixing rings 101 with rubber pads 102 contact the surface of the drain plug 4, two bolts 103 are used to thread them to the two fixing rings 101 respectively.

[0044] Compared with related technologies, the oil-water isolation device for oil-free pressure gauge calibration provided by this utility model has the following beneficial effects:

[0045] This utility model provides an oil-water isolation device for pressure gauge calibration. Two fixing rings 101, two rubber pads 102, two bolts 103, two L-shaped fixing rods 104, two sliders 105 and two sliding grooves 106 are set between the device body 1 and the drain plug 4. This can play a secondary tightening role after the drain plug 4 is installed on the top of the device body 1.

[0046] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A pressure gauge testing device oil-water separation device for preventing oil from a pressure gauge testing device, characterized by, include: The device body has a partition plate at its center and a through hole at the lower part of the surface of the partition plate. A drain plug is provided on the left side of the top of the device body, and an oxygen-oil-free gauge connector is provided on the top of the device body and on the right side of the drain plug. The detection device connector is installed on the left side of the bottom of the device body, and one end of the detection device connector is connected to a pressurized return oil pipe.

2. The oil-proof pressure gauge testing device and water isolation device according to claim 1, characterized in that, Water cavity layers are provided inside the main body of the device and on both the left and right sides of the partition plate.

3. The oil-proof pressure gauge testing device of claim 1, wherein, An oil layer is provided inside the device body and above the water cavity layer.

4. The oil-proof pressure gauge testing device of claim 1, wherein, A fixing assembly is provided between the device body and the drain plug. The fixing assembly includes two fixing rings, two rubber pads, two bolts, two L-shaped fixing rods, two sliders and two sliding grooves. The two rubber pads are respectively bonded to the inner walls of the two fixing rings, and the two bolts are disposed between the two fixing rings.

5. The oil-proof pressure gauge testing device of claim 4, wherein, The two L-shaped fixing rods are respectively connected to the center position of one side of the two fixing rings.

6. The oil-proof pressure gauge testing device and oil-water separation device of claim 4, wherein, The two sliders are respectively connected to the bottom ends of the two L-shaped fixing rods.

7. The oil-proof pressure gauge testing device and oil-water separation device according to claim 4, characterized in that, The two grooves are respectively opened on the top of the device body and located on the left and right sides of the drain plug, and the two sliders are respectively slidably connected inside the two grooves.

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