A medium and low pressure gas pressure regulator

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By using the feeding mechanism to spray lubricant in the medium and low pressure gas pressure regulator, the problem of oxidation and rust of the threaded rod is solved, and the normal adjustment and use of the pressure regulator is achieved.

CN222717549UActive Publication Date: 2025-04-04HEBEI QIDA NEW ENERGY EQUIPMENT CO LTD

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Patent Information

Application Number: CN202421565786.7
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-07-04
Publication Date: 2025-04-04
Estimated Expiration: 2034-07-04

AI Technical Summary

Technical Problem

During the use of existing medium and low pressure gas pressure regulators, the threaded rods are prone to oxidation and rust, resulting in rotation and failing to move, affecting the regulation and use of the pressure regulator.

Method used

A medium and low pressure gas pressure regulator is designed, using a feeding mechanism including a micro oil pump and an atomizing nozzle. The timing switch controls the operation of the micro oil pump and electric push rod, sprays lubricating oil to the surface of the adjustment screw to form a protective oil film and reduces oxidation and rust.

Benefits of technology

By spraying lubricating oil regularly, it can effectively prevent oxidation and rust of the adjustment screw, avoid the problem of rotation, and ensure the normal adjustment and use of the voltage regulator.

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Abstract

The utility model discloses a medium- and low-pressure gas pressure regulator, comprising a medium- and low-pressure regulating valve body, wherein an adjusting screw is arranged on the top of the medium- and low-pressure regulating valve body, a fixing rod is fixedly connected to one side of the back side of the medium- and low-pressure regulating valve body, a feeding mechanism is installed on the top of the fixing rod, the feeding mechanism comprises a mounting frame and a maintenance oil bin mounted on the inner side of the mounting frame, a micro oil pump is installed inside the maintenance oil bin, an output end of the micro oil pump is connected with a delivery pipe, a fixing plate is connected to one side of the top of the medium- and low-pressure regulating valve body close to the adjusting screw, an electric push rod is installed on the top of the fixing plate, a lifting rod is connected to the output end of the electric push rod, an atomizing nozzle is installed on one side of the lifting rod, and a timing switch is installed on one side of the mounting frame. The utility model provides a medium- and low-pressure gas pressure regulator, which reduces oxidation and rusting of the adjusting screw, thereby avoiding the phenomenon that the adjusting screw cannot rotate due to corrosion and rust, thereby ensuring the normal adjustment and use of the entire pressure regulator.

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Description

Technical Field

[0001] The utility model relates to the field of gas pressure regulators, in particular to a medium and low pressure gas pressure regulator. Background Art

[0002] Gas pressure regulator (equipment that can keep the outlet gas at a specified pressure) generally refers to a gas pressure regulating valve. The gas pressure regulating valve is a straight rod and lever type pressure differential feedback control pressure regulating device. The gas in the gas cylinder is liquid, and the pressure is too high. It must be reduced to be suitable for passing to the stove for combustion. Existing medium and low pressure gas pressure regulators usually have threaded rods to adjust the size of the valve. During use, the threaded rods will oxidize and rust, which will cause them to be unable to rotate, affecting the regulation and use of the pressure regulator. Utility Model Content

[0003] The purpose of the utility model is to provide a medium- and low-pressure gas pressure regulator to solve the problem in the above-mentioned background technology that the existing medium- and low-pressure gas pressure regulator is usually provided with a threaded rod to adjust the size of the valve, and the threaded rod will oxidize and rust during use, thereby causing it to be unable to rotate, affecting the adjustment and use of the pressure regulator.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a medium- and low-pressure gas pressure regulator, comprising a medium- and low-pressure pressure regulating valve body, one side of the medium- and low-pressure pressure regulating valve body is provided with an air inlet port, the air inlet port is connected to an inlet pipe, the other side of the medium- and low-pressure pressure regulating valve body is provided with an air outlet port, the air outlet port is connected to a discharge pipe, an adjusting screw is provided on the top of the medium- and low-pressure pressure regulating valve body, a fixing rod is fixedly connected to one side of the back side of the medium- and low-pressure pressure regulating valve body, a feeding mechanism is installed on the top of the fixing rod, the feeding mechanism comprises a mounting frame and a maintenance oil tank installed on the inner side of the mounting frame, a micro oil pump is installed inside the maintenance oil tank, and the The output end of the micro oil pump is connected to a delivery pipe, and a fixed plate is connected to the side of the top of the medium and low pressure regulating valve body close to the adjusting screw, and an electric push rod is installed on the top of the fixed plate. The output end of the electric push rod is connected to a lifting rod, and an atomizing nozzle is installed on one side of the lifting rod. A timing switch is installed on one side of the mounting frame. The micro oil pump can extract the lubricating oil inside the maintenance oil tank and deliver it to the atomizing nozzle, and then spray it onto the surface of the adjusting screw through the atomizing nozzle. The electric push rod moves the atomizing nozzle up and down to atomize the lubricating oil and spray it onto the surface of the adjusting screw, and the lubricating oil on the surface of the adjusting screw will adhere to the surface of the adjusting screw.

[0005] Preferably, the electric push rod and the micro oil pump are both electrically connected to an external power supply via a timing switch, the micro oil pump facilitates extraction of lubricating oil from inside the maintenance oil tank, and the timing switch is arranged on one side of the feeding mechanism.

[0006] Preferably, a pressure gauge is provided in the middle of the inlet pipe and the middle of the outlet pipe, and the detection end of the pressure gauge on the inlet pipe extends to the inside of the inlet pipe, and the detection end of the pressure gauge on the outlet pipe extends to the inside of the outlet pipe.

[0007] Preferably, one end of the inlet pipe away from the medium and low pressure regulating valve body and one end of the outlet pipe away from the medium and low pressure regulating valve body are both connected with a mounting flange, and a plurality of screw holes are provided on the surface of the mounting flange. The mounting flange is convenient for external pipeline connection. The gas enters the medium and low pressure regulating valve body through the inlet pipe and the air inlet port, and is then discharged through the air outlet port and the outlet pipe. The medium and low pressure regulating valve body can adjust the flow rate of the gas, and thus adjust the pressure of the gas.

[0008] Preferably, one end of the delivery pipe away from the micro oil pump is connected to the input end of the atomizing nozzle, and a filling port is provided on one side of the top of the maintenance oil tank, and the filling port is convenient for adding lubricating oil.

[0009] Preferably, the output port of the atomizing nozzle is arranged corresponding to the adjusting screw, the bottom of the mounting frame is connected to the top of the fixing rod, the mounting frame is convenient for storing the maintenance oil tank, the size of the mounting frame matches the size of the maintenance oil tank, and the delivery pipe is a hose.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] During use, the low-pressure pressure regulating valve body can adjust the flow rate of gas and thus adjust the pressure of gas. During use, the timing switch will periodically control the operation of the micro oil pump and the electric push rod. The micro oil pump can extract the lubricating oil inside the maintenance oil tank and transport it to the atomizing nozzle, which is then sprayed onto the surface of the adjusting screw through the atomizing nozzle. The electric push rod moves up and down the atomizing nozzle to atomize the lubricating oil and spray it onto the surface of the adjusting screw. The lubricating oil on the surface of the adjusting screw will adhere to the surface of the adjusting screw to maintain it. The spraying of lubricating oil can form a protective oil film on the surface of the adjusting screw, reducing oxidation and rusting of the adjusting screw, thereby avoiding the phenomenon that the adjusting screw cannot rotate due to corrosion and rust, thereby ensuring the normal adjustment and use of the entire pressure regulator. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the feeding mechanism of the utility model;

[0014] Figure 3 This is the internal structure diagram of the maintenance oil tank of the utility model;

[0015] Figure 4 It is an enlarged structural diagram of the utility model A.

[0016] In the figure: 1. Medium and low pressure regulating valve body; 2. Inlet pipe; 3. Discharge pipe; 4. Pressure gauge; 5. Adjusting screw; 6. Fixing rod; 7. Feeding mechanism; 8. Fixing plate; 9. Electric push rod; 10. Lifting rod; 11. Installation frame; 12. Maintenance oil tank; 13. Timer switch; 14. Micro oil pump; 15. Delivery pipe; 16. Filling port; 17. Atomizing nozzle; 18. Mounting flange; 19. Air inlet port; 20. Air outlet port. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 The utility model provides a medium-low pressure gas pressure regulator, including a medium-low pressure regulating valve body 1, a gas inlet port 19 is provided on one side of the medium-low pressure regulating valve body 1, the gas inlet port 19 is connected to an inlet pipe 2, a gas outlet port 20 is provided on the other side of the medium-low pressure regulating valve body 1, the gas outlet port 20 is connected to a discharge pipe 3, an adjusting screw 5 is provided on the top of the medium-low pressure regulating valve body 1, a fixing rod 6 is fixedly connected to one side of the back side of the medium-low pressure regulating valve body 1, a feeding mechanism 7 is installed on the top of the fixing rod 6, and the feeding mechanism 7 includes a mounting frame 11 and A maintenance oil tank 12 is installed inside the installation frame 11, and a micro oil pump 14 is installed inside the maintenance oil tank 12. The output end of the micro oil pump 14 is connected to a delivery pipe 15. A fixed plate 8 is connected to the side of the top of the medium and low pressure regulating valve body 1 close to the adjusting screw 5. An electric push rod 9 is installed on the top of the fixed plate 8. A lifting rod 10 is connected to the output end of the electric push rod 9. An atomizing nozzle 17 is installed on one side of the lifting rod 10. A timer switch 13 is installed on one side of the installation frame 11. The model of the timer switch 13 is NBL25T.

[0019] During use in this embodiment, the gas enters the medium-low pressure regulating valve body 1 through the inlet pipe 2 and the air inlet port 19, and is then discharged through the outlet port 20 and the exhaust pipe 3. The medium-low pressure regulating valve body 1 can adjust the flow rate of the gas and thus adjust the pressure of the gas.

[0020] See also Figure 1-4The electric push rod 9 and the micro oil pump 14 are electrically connected to the external power supply through the timing switch 13. The timing switch 13 is arranged on one side of the feeding mechanism 7. The end of the delivery pipe 15 away from the micro oil pump 14 is connected to the input end of the atomizing nozzle 17. A material injection port 16 is arranged on one side of the top of the maintenance oil tank 12. The output port of the atomizing nozzle 17 is arranged corresponding to the adjusting screw 5. The bottom of the mounting frame 11 is connected to the top of the fixing rod 6.

[0021] In this embodiment, during use, the timing switch 13 will periodically control the operation of the micro oil pump 14 and the electric push rod 9. The micro oil pump 14 can extract the lubricating oil inside the maintenance oil tank 12 and transport it to the atomizing nozzle 17, and then spray it to the surface of the adjusting screw 5 through the atomizing nozzle 17. The electric push rod 9 moves the atomizing nozzle 17 up and down to spray the lubricating oil on the surface of the adjusting screw 5. The lubricating oil on the surface of the adjusting screw 5 will adhere to the surface of the adjusting screw 5, thereby maintaining it. The size of the mounting frame 11 matches the size of the maintenance oil tank 12, and the delivery pipe 15 is a hose.

[0022] See also Figure 1-4 , one end of the inlet pipe 2 away from the medium and low pressure regulating valve body 1 and one end of the outlet pipe 3 away from the medium and low pressure regulating valve body 1 are both connected with a mounting flange 18, a plurality of screw holes are provided on the surface of the mounting flange 18, a pressure gauge 4 is provided in the middle of the inlet pipe 2 and the middle of the outlet pipe 3, a detection end of the pressure gauge 4 on the inlet pipe 2 extends to the inside of the inlet pipe 2, and a detection end of the pressure gauge 4 on the outlet pipe 3 extends to the inside of the outlet pipe 3;

[0023] In this embodiment, the gas pressure on one side of the inlet pipe 2 is detected by a pressure gauge 4 above the inlet pipe 2 , and the gas pressure on one side of the outlet pipe 3 is detected by a pressure gauge 4 above the outlet pipe 3 .

[0024] During specific use, the utility model provides a medium- and low-pressure gas pressure regulator, in which lubricating oil is filled in the maintenance oil tank 12. During use, the gas enters the medium- and low-pressure pressure regulating valve body 1 through the inlet pipe 2 and the air inlet port 19, and is then discharged through the air outlet port 20 and the discharge pipe 3. The medium- and low-pressure pressure regulating valve body 1 can adjust the flow rate of the gas, and thus adjust the pressure of the gas. During use, the timing switch 13 will periodically control the operation of the micro oil pump 14 and the electric push rod 9. The micro oil pump 14 can extract the lubricating oil inside the maintenance oil tank 12 and transport it to the atomizing nozzle 17, and then spray it onto the surface of the adjusting screw 5 through the atomizing nozzle 17. The electric push rod 9 moves the atomizing nozzle 17 up and down to atomize and spray the lubricating oil onto the surface of the adjusting screw 5, and the lubricating oil on the surface of the adjusting screw 5 will adhere to the surface of the adjusting screw 5, thereby maintaining it, and the spraying of the lubricating oil can form a protective oil film on the surface of the adjusting screw 5, reduce the oxidation and rusting of the adjusting screw 5, thereby avoiding the phenomenon that the adjusting screw 5 cannot rotate due to corrosion and rust, and ensure the normal adjustment and use of the entire pressure regulator.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A medium-low pressure gas pressure regulator, comprising a medium-low pressure regulating valve body (1), characterized in that: An air inlet port (19) is provided on one side of the medium-low pressure regulating valve body (1), and the air inlet port (19) is connected to an inlet pipe (2). An air outlet port (20) is provided on the other side of the medium-low pressure regulating valve body (1), and the air outlet port (20) is connected to an outlet pipe (3). An adjusting screw (5) is provided on the top of the medium-low pressure regulating valve body (1). A fixing rod (6) is fixedly connected to one side of the back of the medium-low pressure regulating valve body (1). A feeding mechanism (7) is installed on the top of the fixing rod (6). The feeding mechanism (7) comprises a mounting frame (11) and a mounting screw (5) installed on the mounting frame (11). 11), a maintenance oil tank (12) is installed inside the maintenance oil tank (12), a micro oil pump (14) is installed inside the micro oil pump (14), the output end of the micro oil pump (14) is connected to a delivery pipe (15), the top of the medium and low pressure regulating valve body (1) close to the adjusting screw (5) is connected to a fixed plate (8), the top of the fixed plate (8) is installed with an electric push rod (9), the output end of the electric push rod (9) is connected to a lifting rod (10), one side of the lifting rod (10) is installed with an atomizing nozzle (17), and one side of the mounting frame (11) is installed with a timing switch (13).

2. A medium and low pressure gas pressure regulator according to claim 1, characterized in that: The electric push rod (9) and the micro oil pump (14) are both electrically connected to an external power source via a timing switch (13), and the timing switch (13) is arranged on one side of the feeding mechanism (7).

3. A medium and low pressure gas pressure regulator according to claim 1, characterized in that: A pressure gauge (4) is provided at the middle of the inlet pipe (2) and the middle of the outlet pipe (3); a detection end of the pressure gauge (4) on the inlet pipe (2) extends to the interior of the inlet pipe (2), and a detection end of the pressure gauge (4) on the outlet pipe (3) extends to the interior of the outlet pipe (3).

4. A medium and low pressure gas pressure regulator according to claim 1, characterized in that: One end of the inlet pipe (2) away from the medium and low pressure regulating valve body (1) and one end of the outlet pipe (3) away from the medium and low pressure regulating valve body (1) are both connected to a mounting flange (18), and a plurality of screw holes are provided on the surface of the mounting flange (18).

5. A medium and low pressure gas pressure regulator according to claim 1, characterized in that: One end of the delivery pipe (15) away from the micro oil pump (14) is connected to the input end of the atomizing nozzle (17), and a material injection port (16) is provided on one side of the top of the maintenance oil tank (12).

6. A medium and low pressure gas pressure regulator according to claim 1, characterized in that: The output port of the atomizing nozzle (17) is arranged corresponding to the adjusting screw (5), and the bottom of the mounting frame (11) is connected to the top of the fixing rod (6).

7. A medium and low pressure gas pressure regulator according to claim 1, characterized in that: The size of the installation frame (11) matches the size of the maintenance oil tank (12), and the delivery pipe (15) is a hose.