Ship load discharge air pressure reducing valve
The multi-stage pressure reduction design using threaded rods and limit plates solves the problem of pressure fluctuation in existing shipboard air pressure reducing valves, achieving higher precision and stable gas output, and improving the operational reliability and energy efficiency of the equipment.
Patent Information
- Application Number
- CN202423150863.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing shipboard air pressure reducing valves have low pressure regulation precision, are prone to pressure fluctuations, and result in unstable output pressure.
It adopts a threaded rod, limit plate and multi-stage valve structure, and achieves dual pressure reduction and stable output of gas through a multi-stage pressure reduction mechanism combined with the design of sealing gaskets and springs.
This achieves higher precision and stability in gas pressure, reduces pressure fluctuations, and improves the operational reliability and energy efficiency of the equipment.
Smart Images
Figure CN223524588U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air pressure reducing valve technical field, concretely is a kind of ship air pressure reducing valve. BACKGROUND
[0002] In the ship air system, too high pressure can lead to waste of energy, by pressure reducing valve, pressure is adjusted to appropriate level, can make air system operate under more efficient pressure, reduce energy consumption, improve energy utilization efficiency, and stable pressure helps to improve the overall operation efficiency of ship air system, and ship air pressure reducing valve can eliminate pressure fluctuation, so that each device in the system can work under stable pressure, reduce equipment failure and downtime caused by pressure change, improve the reliability and availability of system, ship air pressure reducing valve is an important equipment installed on ship, mainly used for adjusting and controlling the pressure in ship air system, its role is to reduce the compressed air provided by higher pressure air input source (such as air compressor etc.) to the safe, stable output pressure required by specific system or equipment of ship through internal mechanical structure and adjusting mechanism, however, the existing air pressure reducing valve adopts single pressure reducing form to handle air, relatively, the precision of this way is low, and the pressure fluctuation may be large, causing unstable output pressure.
[0003] Therefore, the utility model discloses a kind of ship air pressure reducing valve to solve above problems is proposed to the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of ship air pressure reducing valve to solve the problems presented in the above background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of ship air pressure reducing valve, including shell, the shell inner bottom wall is fixedly connected with valve seat, the valve seat inside is slidably connected with valve one, the valve one inside is slidably connected with limit plate one, the valve one upper surface is fixedly connected with connecting rod, the connecting rod outer surface is sleeved with limit plate two, the outer surface of connecting rod away from limit plate two is sleeved with limit plate three, the limit plate two inside is slidably connected with valve two, the limit plate three inside is slidably connected with valve three, the outer surface of the connecting rod top is fixedly connected with threaded rod, the threaded rod outer surface is threadedly connected with shell, the threaded rod top end is fixedly connected with handle.
[0007] Preferably, the valve one upper surface is fixedly connected with sealing gasket one, the valve two upper surface is fixedly connected with sealing gasket two, and the valve three upper surface is fixedly connected with sealing gasket three.
[0008] Preferably, the upper surface of the limiting plate two is fixedly connected with spring one, and the end close to the sealing gasket two of the spring one is fixedly connected with valve two.
[0009] Preferably, the shell is provided with an air inlet, and the outer surface of the shell away from the air inlet is provided with an air outlet.
[0010] Preferably, the upper surface of the shell is provided with a plurality of positioning grooves, and the inner wall of the positioning groove is slidably connected with a positioning ring.
[0011] Preferably, the valve two is tapered from the side close to the limiting plate two to the side away from the limiting plate two, and the valve three is tapered from the side close to the limiting plate three to the side away from the limiting plate three.
[0012] Preferably, the outer surface of the limiting plate one is fixedly connected with a shell, and the outer surfaces of the limiting plate two and the limiting plate three are slidably connected with a shell.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. The ship load air pressure reducing valve is characterized in that the threaded rod, the limiting plate three, the limiting plate two, the limiting plate one, the valve one, the valve two, the spring one and the spring two are arranged, in use, the positioning ring is removed, the handle is held and rotated, the handle drives the threaded rod to rotate, because the shell is fixed, the threaded rod rotates and is displaced downward at the same time, drives the connecting rod to rotate and is displaced downward, drives the limiting plate three and the limiting plate two to rotate and is displaced downward, drives the valve one to rotate and is displaced downward, the valve one is exposed to a gap at the connecting part of the limiting plate one, the high-pressure gas enters the limiting plate two below through the gap, the gas extrudes the valve two, overcomes the spring one and makes it be stretched, the valve two is exposed to a gap with the limiting plate two, the gas enters the lower end of the limiting plate three through the gap, and the above steps are passed through the limiting plate three, double pressure reduction, the output gas pressure is more accurate and stable.
[0015] 2. The ship load air pressure reducing valve is characterized in that the positioning ring and the positioning groove are arranged, in use, the positioning ring is removed, the handle is rotated to a suitable position, the positioning ring is placed again, the positioning ring blocks the rotation of the handle, the handle position is fixed, the position of the valve one is fixed, the high-pressure gas is continuously introduced into the pressure reducing valve, and the effect that the gas after pressure reduction is continuously conveyed is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall schematic view of the utility model;
[0017] Figure 2 It is the split schematic view of the valve seat and the valve one of the utility model;
[0018] Figure 3 It is the split schematic view of the limiting plate two and the valve two of the utility model;
[0019] Figure 4 It is the split schematic view of the limiting plate three and the valve three of the utility model;
[0020] Figure 5 It is the split schematic view of the positioning ring and the shell of the utility model.
[0021] In the figure: 1, shell; 2, valve seat; 3, valve one; 4, limiting plate one; 5, connecting rod; 6, limiting plate two; 7, limiting plate three; 8, valve two; 9, valve three; 10, threaded rod; 11, handle; 12, sealing gasket one; 13, sealing gasket two; 14, sealing gasket three; 15, spring one; 16, spring two; 17, air inlet; 18, air outlet; 19, positioning groove; 20, positioning ring. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0023] Please refer to Figures 1-5 A technical scheme provided by the utility model:
[0024] The utility model provides a kind of ship exhaust air pressure reducing valve, including shell 1, the inside bottom wall fixedly connected with valve seat 2 in shell 1, valve seat 2 inside slidingly connected with valve one 3, valve one 3 inside slidingly connected with limit plate one 4, the upper surface of valve one 3 is fixedly connected with connecting rod 5, connecting rod 5 outer surface sleeve limit plate two 6, the outer surface of connecting rod 5 away from limit plate two 6 sleeve limit plate three 7, limit plate two 6 inside slidingly connected with valve two 8, limit plate three 7 inside slidingly connected with valve three 9, the outer surface of connecting rod 5 top is fixedly connected with threaded rod 10, threaded rod 10 outer surface is threadedly connected with shell 1, threaded rod 10 top end is fixedly connected with handle 11, when using, hold handle 11 and rotate, handle 11 drives threaded rod 10 rotation, because shell 1 is fixed, threaded rod 10 rotates while displacing downward, drives connecting rod 5 rotation and displaces downward, drives limit plate three 7 and limit plate two 6 rotation and displaces downward, drives valve one 3 rotation and displaces downward, valve one 3 and limit plate one 4 connection place expose gap, high-pressure gas is entered below limit plate two 6 from intake 17 through gap, gas extrudes valve two 8, overcomes spring one 15 and makes it be stretched, valve two 8 and limit plate two 6 expose gap, gas is entered lower end of limit plate three 7 through gap, same as above step through limit plate three 7, double pressure reduction, reach the gas pressure of output more accurate and more stable effect, because through two-stage pressure reduction, each stage can buffer and stabilize pressure, so the stability of output pressure is higher, by the setting of two-stage pressure reduction, pressure can be adjusted gradually, so that output pressure is more stable and more close to the accurate value required.
[0025] In the embodiment, preferably, the upper surface of the valve one 3 is fixedly connected with the sealing gasket one 12, the upper surface of the valve two 8 is fixedly connected with the sealing gasket two 13, and the upper surface of the valve three 9 is fixedly connected with the sealing gasket three 14. In use, the sealing gasket one 12, the sealing gasket two 13 and the sealing gasket three 14 move with the movement of the valves. When the valve and the limit plate are attached, the sealing gaskets can enhance the sealing property between the valve and the limit plate, and ensure the overall sealing property of the device.
[0026] In this embodiment, preferably, the upper surface of the limiting plate two 6 is fixedly connected with the spring one 15, one end of the spring one 15 close to the sealing gasket two 13 is fixedly connected with the valve two 8, the upper surface of the limiting plate three 7 is fixedly connected with the spring two 16, one end of the spring two 16 close to the sealing gasket three 14 is fixedly connected with the valve three 9, in use, hold the handle 11 and rotate, the handle 11 drives the threaded rod 10 to rotate, because the shell 1 is fixed, the threaded rod 10 rotates and displaces downward at the same time, drives the connecting rod 5 to rotate and displace downward, drives the limiting plate three 7 and the limiting plate two 6 to rotate and displace downward, drives the valve one 3 to rotate and displace downward, the connecting part of the valve one 3 and the limiting plate one 4 exposes a gap, the high-pressure gas enters the lower part of the limiting plate two 6 through the gap from the gas inlet 17, the gas extrudes the valve two 8, overcomes the spring one 15 to make it be stretched, the valve two 8 and the limiting plate two 6 expose a gap, the gas enters the lower end of the limiting plate three 7 through the gap, through the limiting plate three 7 by the above steps, double pressure reduction, the output gas pressure is more accurate and stable, the high-pressure gas needs to overcome the tension of the spring to enter the next valve chamber, in this process, the pressure of the high-pressure gas is weakened, thereby achieving the effect of air pressure reduction.
[0027] In this embodiment, preferably, the shell 1 is provided with the gas inlet 17, the outer surface of the shell 1 away from the gas inlet 17 is provided with the gas outlet 18, in use, the high-pressure gas enters the pressure reducing valve from the gas inlet 17, and then flows out of the pressure reducing valve from the gas outlet 18 after being processed, and is used in the next link.
[0028] In this embodiment, preferably, the upper surface of the shell 1 is provided with a plurality of positioning grooves 19, the inner wall of the positioning groove 19 is slidably connected with the positioning ring 20, in use, the positioning ring 20 is removed, the handle 11 is rotated to the appropriate position, the positioning ring 20 is placed again, the positioning ring 20 blocks the rotation of the handle 11, the position of the handle 11 is fixed, the position of the valve one 3 is fixed, the high-pressure gas continuously enters the pressure reducing valve, thereby achieving the effect of continuously conveying the reduced gas, the positioning ring 20 and the positioning groove 19 are arranged, so that the high-pressure gas can continuously enter the pressure reducing valve, thereby continuously and stably outputting the gas with appropriate pressure for use.
[0029] In this embodiment, preferably, the valve two is tapered from the side close to the limiting plate two to the side away from the limiting plate two, and the valve three is tapered from the side close to the limiting plate three to the side away from the limiting plate three. In use, the positioning ring 20 is removed, the handle 11 is held and rotated, the handle 11 drives the threaded rod 10 to rotate, since the shell 1 is fixed, the threaded rod 10 rotates and at the same time displaces downward, drives the connecting rod 5 to rotate and displace downward, drives the limiting plate three 7 and the limiting plate two 6 to rotate and displace downward, drives the valve one 3 to rotate and displace downward, a gap is exposed at the connection between the valve one 3 and the limiting plate one 4, the high-pressure gas enters the lower part of the limiting plate two 6 through the gap from the gas inlet 17, the gas extrudes the valve two 8, overcomes the spring one 15 to be stretched, a gap is exposed between the valve two 8 and the limiting plate two 6, the gas enters the lower end of the limiting plate three 7 through the gap, and the double pressure reduction is realized through the limiting plate three 7 as in the above step, the output gas, the tapered valve has better sealing performance than the ordinary circular plate valve.
[0030] In this embodiment, preferably, the limiting plate one 4 is fixedly connected with the shell 1 on the outer surface, and the limiting plate two 6 and the limiting plate three 7 are both slidingly connected with the shell 1 on the outer surface. In use, as the threaded rod 10 rotates and rotates, the limiting plate three 7 and the limiting plate two 6 are driven to rotate and displace, the valve one 3 is driven to rotate and displace, a gap is exposed at the connection between the valve one 3 and the limiting plate one 4, the high-pressure gas enters the lower part of the limiting plate two 6 through the gap from the gas inlet 17, and the pressure reduction of the gas is realized.
[0031] Working principle: in use, the positioning ring 20 is removed, the handle 11 is held and rotated, the handle 11 drives the threaded rod 10 to rotate, since the shell 1 is fixed, the threaded rod 10 rotates and at the same time displaces downward, drives the connecting rod 5 to rotate and displace downward, drives the limiting plate three 7 and the limiting plate two 6 to rotate and displace downward, drives the valve one 3 to rotate and displace downward, a gap is exposed at the connection between the valve one 3 and the limiting plate one 4, the high-pressure gas enters the lower part of the limiting plate two 6 through the gap from the gas inlet 17, the gas extrudes the valve two 8, overcomes the spring one 15 to be stretched, a gap is exposed between the valve two 8 and the limiting plate two 6, the gas enters the lower end of the limiting plate three 7 through the gap, and the double pressure reduction is realized through the limiting plate three 7 as in the above step, the output gas, when it is needed to continuously deliver the reduced-pressure gas, the positioning ring 20 is removed, the handle 11 is rotated to a suitable position, the positioning ring 20 is placed again, the positioning ring 20 blocks the rotation of the handle 11, fixes the position of the handle 11, fixes the position of the valve one 3, and guarantees that the high-pressure gas continuously enters the pressure reducing valve.
[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A marine vessel load air pressure reducing valve characterized by: The utility model relates to a valve, including shell (1), the inside bottom wall fixed connection of shell (1) has valve seat (2), the inside sliding connection of valve seat (2) has valve one (3), the inside sliding connection of valve one (3) has limit board one (4), the upper surface fixed connection of valve one (3) has connecting rod (5), the outer surface sleeve of connecting rod (5) has limit board two (6), the outer surface sleeve of connecting rod (5) away from limit board two (6) has limit board three (7), the inside sliding connection of limit board two (6) has valve two (8), the inside sliding connection of limit board three (7) has valve three (9), the outer surface fixed connection of connecting rod (5) top has threaded rod (10), the outer surface thread connection of threaded rod (10) has shell (1), the top fixed connection of threaded rod (10) has handle (11).
2. A ship's blow-down air pressure reducing valve according to claim 1, characterised in that: The upper surface of the valve one (3) is fixedly connected with a sealing gasket one (12), the upper surface of the valve two (8) is fixedly connected with a sealing gasket two (13), and the upper surface of the valve three (9) is fixedly connected with a sealing gasket three (14).
3. A marine blowdown air pressure reducing valve according to claim 1, wherein: The upper surface of the limit board two (6) is fixedly connected with a spring one (15), one end of the spring one (15) close to the sealing gasket two (13) is fixedly connected with the valve two (8), the upper surface of the limit board three (7) is fixedly connected with a spring two (16), one end of the spring two (16) close to the sealing gasket three (14) is fixedly connected with the valve three (9).
4. A marine blowdown air pressure reducing valve according to claim 1, wherein: The shell (1) is provided with an air inlet (17), and the outer surface of the shell (1) away from the air inlet (17) is provided with an air outlet (18).
5. A marine blowdown air pressure reducing valve according to claim 1, wherein: The upper surface of the shell (1) is provided with a plurality of positioning grooves (19), and the inner wall of the positioning groove (19) is slidably connected with a positioning ring (20).
6. A marine blowdown air pressure reducing valve according to claim 1, characterized in that: The valve two (8) is tapered from one side close to the limit board two (6) to one side away from the limit board two (6), and the valve three (9) is tapered from one side close to the limit board three (7) to one side away from the limit board three (7).
7. A marine blowdown air pressure reducing valve according to claim 1 wherein: The outer surface of the limit board one (4) is fixedly connected with the shell (1), and the outer surfaces of the limit board two (6) and the limit board three (7) are slidably connected with the shell (1).