Pressure reducer for relieving pressure of steel cylinder
By introducing a combination design of reducer and rubber tubing into the pressure reducer, the problem of compatibility with pipes of different outer diameters is solved, achieving stable gas transmission and safe pressure relief, improving the applicability and stability of the pressure reducer, and meeting the high precision and high safety requirements of modern industry.
Patent Information
- Application Number
- CN202423263783.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing pressure regulators cannot adapt to pipes of different outer diameters, which increases the risk of gas leakage, affects pressure relief performance and safety, and fails to meet the high precision, high stability and high safety requirements of modern industry.
A pressure reducer was designed, comprising components such as a valve seat, a fixed block, a fixed column, a screw, a piston, a diaphragm, a connecting plate, and a reducer. By combining the reducer and the rubber tube, it can be adapted to pipes of different outer diameters, and uses an air bladder to buffer pressure fluctuations, ensuring stable gas output.
It improves the applicability and stability of the pressure reducer, reduces the risk of gas leakage, ensures the safety and accuracy of gas transmission, and meets the needs of complex industrial environments.
Smart Images
Figure CN223524965U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to standard steel bottle accessory technical field especially, relates to a pressure reducer for steel bottle pressure relief. BACKGROUND
[0002] In the industrial production and many fields related to high-pressure gas cylinder use, the steel bottle pressure relief operation is very important, whether it is chemical industry, energy, or mechanical manufacturing industry, the high-pressure gas in the steel bottle needs to be safely, stably and accurately released under certain working conditions to ensure the smooth progress of the entire production process and the safety of the operators, which makes a high-efficiency and reliable pressure reducer for steel bottle pressure relief a key equipment, and the improvement of its technical level has an undeniable impact on industrial safety and production efficiency.
[0003] In the past, the common pressure reducer for steel bottle pressure relief usually adopts a relatively simple and direct mechanical structure, which is generally connected to the pressure reducer main body by a single pipe diameter gas inlet pipeline, and the pressure reducer is provided with a basic pressure regulating valve and a pressure sensing device, and its technical principle is mainly based on the pressure difference of the gas and the simple mechanical adjustment mode. When the high-pressure gas in the steel bottle enters the pressure reducer, it impacts the pressure regulating valve through the fixed aperture gas inlet channel, and the gas discharge flow and pressure are adjusted by changing the opening degree of the valve, and the pressure sensing device relatively simply feeds back the pressure information to realize the preliminary pressure relief function, but there are obvious deficiencies in the adaptability of the connecting parts and the adjustment accuracy.
[0004] However, with the increasing complexity and diversification of industrial scenarios, the specifications of gas delivery pipelines are no longer uniform, and pipelines with different outer diameters are frequently connected to steel cylinders. However, the existing pressure reducer has a fixed pipe diameter design for the gas inlet pipeline, lacks the ability to adapt to different outer diameter pipelines, and when the pipe diameters do not match, it cannot establish a tight and stable connection, which significantly increases the risk of gas leakage, not only causing waste of gas and environmental pollution, but also possibly causing safety accidents due to gas leakage, and also affecting the normal pressure relief performance of the pressure reducer, which cannot meet the requirements of modern industry for high precision, high stability and high safety in steel bottle pressure relief operation, greatly limiting its effective application in complex industrial environments. SUMMARY
[0005] In order to make up for the above shortcomings, the utility model provides a pressure reducer for steel bottle pressure relief, which aims to improve the flexible connection between the existing pressure reducer and the steel bottle, and lacks the ability to adapt to different outer diameter pipelines.
[0006] To achieve the above object, the utility model provides the following technical scheme: a pressure reducer for steel bottle pressure relief, including valve seat, the fixed block is connected on the upper surface of valve seat, the fixed column is connected on the upper surface of fixed block, the screw rod is connected in the fixed column, the spring no.
[0007] The adjusting assembly includes an air inlet pipe, the outer wall of the air inlet pipe is fixedly connected to the inner wall of the valve seat, one end of the outer wall of the air inlet pipe is fixedly connected with a threaded pipe, one end of the outer wall of the threaded pipe is fixedly connected with a rubber pipe, the outer wall of the rubber pipe is fixedly connected with a reducing pipe, and the outer wall of the threaded pipe is threadedly connected with a nut.
[0008] Further, one side of the outer wall of the valve seat is fixedly connected with a shell, an air inlet is formed in the shell, the inner wall of the shell is fixedly connected with an air bag, and one side of the outer wall of the shell is fixedly connected with an inflation pipe.
[0009] Further, the outer wall of the valve seat is fixedly connected with a pressure gauge on one side, and the pressure gauge plays a role of facilitating observation of air pressure.
[0010] Further, the inner part of the connecting plate is provided with a throttling hole, and the throttling hole is used for preventing excessive pressure relief.
[0011] Further, the outer wall of the diaphragm is fixedly connected in the inner part of the fixed block, and the diaphragm is used for transmitting pressure signals.
[0012] Further, the outer wall of the reducing pipe is fixedly connected to the inner wall of the air inlet pipe, and the air inlet pipe is used for guiding the flow direction of gas.
[0013] Further, one end of the outer wall of the reducing pipe is fixedly connected to one end of the outer wall of the threaded pipe, and the reducing pipe is used for connecting steel bottles with different pipe diameters.
[0014] Further, the lower surface of the connecting plate is fixedly connected to the upper surface of the fixed plate, and the connecting plate plays a role of connecting the connecting rod and the piston.
[0015] The utility model has the advantages of:
[0016] The utility model discloses a screw nut is connected on the outer wall screw thread of threaded pipe, and the threaded pipe is installed on the one end of the outer wall of air inlet pipe, and the screw nut can rotate on the thread of the joint main body, and the pipe can be gripped according to the actual need, thereby the pressure reducer can be suitable for the pipeline of different outer diameter, and the applicability of the pressure reducer is improved.
[0017] The utility model discloses the air inlet that is set up in the shell inside, thereby reach the effect that ensure that gas can smoothly with the air bag etc. Component interaction, the inner wall of shell is fixedly connected with air bag, thereby reach when the pressure reducer works, the air bag can expand or contract according to pressure change, absorb or release certain gas amount, play the effect of buffering pressure fluctuation, stable pressure, make the pressure of pressure reducer output more stable. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A kind of for the pressure reducer of steel bottle pressure relief three-dimensional structure schematic diagram is proposed in the utility model;
[0019] Figure 2 A kind of screw rod partial structure schematic diagram for the pressure reducer of steel bottle pressure relief is proposed in the utility model;
[0020] Figure 3 A kind of nut partial structure schematic diagram for the pressure reducer of steel bottle pressure relief is proposed in the utility model;
[0021] Figure 4 A kind of air bag partial structure schematic diagram for the pressure reducer of steel bottle pressure relief is proposed in the utility model;
[0022] Figure 5 For Figure 2 The enlarged view of A in the utility model is proposed in the utility model.
[0023] LEGEND:
[0024] 1, valve seat;2, fixed block;3, fixed column;4, pressure gauge;5, screw rod;6, air inlet pipe;7, nut;8, shell;9, inflation pipe;10, spring one;11, piston;12, diaphragm;13, connecting plate;14, connecting rod;15, fixed plate;16, gasket;17, spring two;18, threaded pipe;19, reducing pipe;20, rubber tube;21, air bag;22, air inlet;23, throttling hole. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the protection scope of the present application.
[0026] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 5The utility model provides an embodiment: a pressure reducer for steel bottle pressure relief, the key component valve seat 1 plays the key basic support effect, the upper surface of valve seat 1 is fixedly connected with fixed block 2, and the stable framework of subsequent component's installation is built, and the structural integrity and stability of whole device are ensured, the upper surface of fixed block 2 is further fixedly connected with fixed column 3, and the thread in fixed column 3 is closely matched with screw rod 5, and this thread connection mode makes screw rod 5 can realize accurate up and down position adjustment in fixed column 3, thereby plays the key basic setting effect to the pressure regulation of whole pressure reducer, the lower surface of screw rod 5 is fixedly connected with spring one 10, and spring one 10 interacts with piston 11 in the working process of pressure reducer by its good elasticity, according to the change of gas pressure in steel bottle, balances and regulates pressure through the telescoping of itself, ensures that piston 11 can accurately respond to pressure change, maintains the stable operation of pressure reducer, and the outer wall of piston 11 is closely fixedly connected with diaphragm 12, and diaphragm 12 has excellent flexibility and sensitivity, can acutely perceive the slight change of gas pressure in steel bottle, and efficiently passes these pressure signals to piston 11, triggers subsequent pressure regulation action, guarantees the quick response ability of pressure reducer to pressure change, the lower surface of piston 11 is fixedly connected with connecting plate 13, and connecting plate 13 plays the key role of connecting piston 11 and connecting rod 14 on the one hand, ensures the stable transmission of force, on the other hand, the throttle hole 23 that is opened in its inside is carefully designed, can effectively limit and control flow and pressure when gas passes, prevents excessive pressure relief due to various abnormal conditions, effectively guarantees the safety and stability of pressure reducer work, the lower surface of connecting rod 14 is fixedly connected with gasket 16, and gasket 16 not only can buffer the impact force between components to a certain extent, reduces wear and tear, but also can work cooperatively with spring two 17, and spring two 17 generates corresponding elastic force according to pressure change, assists in balancing pressure, further optimizes the pressure regulation performance of pressure reducer, ensures that pressure reducer can maintain stable working state under different working conditions, the inner wall of valve seat 1 is fixedly connected with adjusting assembly, and the air inlet pipe 6 in adjusting assembly plays the key role of guiding gas flow, and the outer wall of air inlet pipe 6 is fixedly connected in the inner wall of valve seat 1, and the threaded pipe 18 fixedly connected at one end is connected with nut 7 through thread, realizes the firm connection with rubber tube 20, and rubber tube 20 has good flexibility and sealing property, can adapt to the slight displacement and angle change between different components, effectively prevents gas leakage, is connected with reducing pipe 19 simultaneously, and reducing pipe 19 ingeniously solves the problem of connecting different pipe diameter steel bottles, ensures that gas can flow into air inlet pipe 6 from steel bottle smoothly, optimizes the gas transmission process, improves the working efficiency and reliability of pressure reducer, and the lower surface of connecting plate 13 is fixedly connected on the upper surface of fixed plate 15, and fixed plate 15 plays the key role of fixing and supporting, and connecting plate 13 plays the role of connecting connecting rod 14 and piston 11.
[0027] With reference to Figure 1 And Figure 4 The outer wall of the valve seat 1 is fixedly connected with the shell 8, which provides effective protection for the internal components and prevents damage caused by external factors. The air inlet 22 provided in the shell 8 provides a passage for gas to enter the interior of the shell 8, ensuring that the gas can smoothly interact with the internal components such as the air bag 21 and participate in the pressure regulation process of the pressure reducer. The inner wall of the shell 8 is fixedly connected with the air bag 21, which can expand or contract according to pressure changes during the operation of the pressure reducer, absorbing or releasing a certain amount of gas, playing an important role in buffering pressure fluctuations and stabilizing pressure, making the output pressure of the pressure reducer more stable and ensuring the stable operation of the downstream gas equipment. The outer wall of the shell 8 is fixedly connected with the inflation pipe 9, through which the air bag 21 can be filled with an appropriate amount of gas, ensuring that the air bag 21 has good buffering and pressure stabilizing function. The outer wall of the valve seat 1 is also fixedly connected with the pressure gauge 4, which can directly and accurately display the gas pressure inside the pressure reducer, providing clear pressure values for the operator, facilitating the operator to timely understand the working state of the pressure reducer and thus perform necessary operations and adjustments, ensuring the safe and stable operation of the entire system.
[0028] Working principle: using clean cloth to wipe the surface of the pressure reducer and each part, remove the dust, oil stains and other impurities that may be attached, prevent them from entering the pressure reducer to affect the normal work, the end of the reducing pipe 19 and the gas outlet of the cylinder are tightly connected to ensure the connection is firm and there is no risk of gas leakage, then the end of the inlet pipe 6 is connected to the other end of the reducing pipe 19, pay attention to tighten the nut 7 during the connection process, but do not use excessive force to avoid damaging the threaded pipe 8, slowly open the cylinder valve, ensure that the pressure reducer and the cylinder are connected correctly and firmly, then slowly open the cylinder valve, let the gas slowly enter the pressure reducer, pay attention to observe whether there is gas leakage phenomenon in the pressure reducer and the connection part, if there is leakage, close the cylinder valve immediately and check the leakage reason, reconnect or replace the sealing element, according to the actual use requirement, adjust the output pressure by rotating the screw rod 5 on the pressure reducer, generally speaking, clockwise rotation of the screw rod 5 can increase the pressure, counterclockwise rotation can reduce the pressure, closely observe the reading of the pressure gauge 4 during the adjustment process, adjust the pressure to the required set value, after adjusting the pressure, you can perform a short pressure test, let the gas pass through the pressure reducer into the inlet pipe 6, observe the running condition of the equipment and whether the pressure is stable, if there is pressure fluctuation or equipment running abnormally, close the cylinder valve in time, check the adjustment of the pressure reducer and the connection of each part again, if necessary, adjust or repair, during the pressure relief of the cylinder, observe the working condition of the pressure reducer regularly, including the reading of the pressure gauge 4, the sealing of each connection part, etc., if the reading of the pressure gauge 4 is abnormally fluctuated, there is gas leakage in the connection part or the pressure reducer makes abnormal sound, stop using immediately and take corresponding measures to handle, the pressure reducer should be avoided from being collided or vibrated during use to avoid damaging the internal parts and affecting the normal work and pressure relief effect, at the same time, ensure that the installation position of the pressure reducer is stable to prevent the connection part from loosening due to shaking, the pressure reducer should be used within the specified temperature and humidity range, avoid using it in high temperature, humidity or corrosive environment for a long time, if the use environment is bad, it may accelerate the aging and damage of the pressure reducer, reduce its service life and safety, close the cylinder valve, after use, first close the cylinder valve, cut off the gas source, slowly open the exhaust valve of the pressure reducer, empty the residual gas in the pressure reducer and the pipeline until the reading of the pressure gauge 4 is zero, this can prevent the residual gas from accumulating in the pressure reducer and avoid damaging the pressure reducer due to pressure surge when used next time.
[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A pressure reducer for pressure relief of a steel cylinder, comprising a valve seat (1), characterized in that: The upper surface of the valve seat (1) is fixedly connected with a fixed block (2), the upper surface of the fixed block (2) is fixedly connected with a fixed column (3), the inside of the fixed column (3) is threadedly connected with a screw rod (5), the lower surface of the screw rod (5) is fixedly connected with a spring one (10), the upper surface of the spring one (10) is fixedly connected with a piston (11), the outer wall of the piston (11) is fixedly connected with a diaphragm (12), the lower surface of the piston (11) is fixedly connected with a connecting plate (13), the lower surface of the connecting plate (13) is fixedly connected with a connecting rod (14), the lower surface of the connecting rod (14) is fixedly connected with a gasket (16), the upper surface of the gasket (16) is fixedly connected with a fixed plate (15), the lower surface of the gasket (16) is fixedly connected with a spring two (17), the inner wall of the valve seat (1) is fixedly connected with an adjusting assembly; The adjusting assembly comprises an air inlet pipe (6), the outer wall of the air inlet pipe (6) is fixedly connected with the inner wall of the valve seat (1), one end of the outer wall of the air inlet pipe (6) is fixedly connected with a threaded pipe (18), one end of the outer wall of the threaded pipe (18) is fixedly connected with a rubber pipe (20), the outer wall of the rubber pipe (20) is fixedly connected with a reducing pipe (19), the outer wall of the threaded pipe (18) is threadedly connected with a nut (7).
2. A pressure reducer for pressure relief of a steel cylinder according to claim 1, characterized in that: One side of the outer wall of the valve seat (1) is fixedly connected with an outer shell (8), the inside of the outer shell (8) is provided with an air inlet (22), the inner wall of the outer shell (8) is fixedly connected with an air bag (21), one side of the outer wall of the outer shell (8) is fixedly connected with an inflator tube (9).
3. The pressure reducer for pressure relief of a steel cylinder according to claim 1, characterized by: One side of the outer wall of the valve seat (1) is fixedly connected with a pressure gauge (4), which plays a role in facilitating the observation of air pressure.
4. The pressure reducer for pressure relief of a steel cylinder according to claim 1, characterized by: The inside of the connecting plate (13) is provided with a throttling hole (23), which is used for preventing excessive pressure relief.
5. The pressure reducer for pressure relief of a steel cylinder according to claim 1, characterized by: The outer wall of the diaphragm (12) is fixedly connected in the inside of the fixed block (2), and the diaphragm (12) is used for transmitting pressure signals.
6. The pressure reducer for pressure relief of a steel cylinder according to claim 1, characterized by: The outer wall of the reducing pipe (19) is fixedly connected with the inner wall of the air inlet pipe (6), and the air inlet pipe (6) is used for guiding the flow of gas.
7. A pressure reducer for pressure relief of a steel cylinder according to claim 6, characterized in that: One end of the outer wall of the reducing pipe (19) is fixedly connected with one end of the outer wall of the threaded pipe (18), and the reducing pipe (19) is used for connecting steel cylinders with different pipe diameters.
8. The pressure reducer for pressure relief of a steel cylinder according to claim 1, characterized by: The lower surface of the connecting plate (13) is fixedly connected with the upper surface of the fixed plate (15), and the connecting plate (13) plays a role in connecting the connecting rod (14) and the piston (11).