Air pressure reducing valve for ships

Abstract

The present invention relates to the field of valves, and in particular to an air pressure reducing valve for ships, comprising a housing, a pressure reducing assembly, an inlet assembly, an outlet assembly, a pressure regulating assembly and a detection assembly. The present invention sets a pressure reducing assembly, and the fluid passes through the inlet assembly to reach the pressure reducing assembly. The fluid drives the pressure reducing sleeve to rotate on the rotating knob 1. The pressure reducing groove on the pressure reducing sleeve changes the throttling area through which the fluid passes, changes the flow rate and the kinetic energy of the fluid, and causes different pressure losses, thereby achieving the purpose of pressure reduction; by rotating the rotating knob 1, the floating warehouse can be disassembled and installed, so that it is convenient for the staff to disassemble and clean the pressure reducing sleeve; by setting the pressure regulating assembly, the rotating knob 2 is used to drive the lead screw to rotate on the rotating seat, thereby driving the sliding sleeve to slide in the housing, and then changing the position of the piston rod on the piston sleeve, thereby realizing the adjustment of the pressure reducing rate of the pressure reducing valve, and improving the practicality of the present invention.

Description

Technical Field

[0001] The invention relates to the field of valves, and in particular to an air pressure reducing valve for ships. Background Art

[0002] The pressure reducing valve is a valve that reduces the inlet pressure to a certain required outlet pressure through regulation, and automatically maintains a stable outlet pressure by relying on the energy of the medium itself. From the perspective of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, that is, by changing the throttling area, the flow rate and the kinetic energy of the fluid are changed, resulting in different pressure losses, thereby achieving the purpose of pressure reduction.

[0003] The utility model with publication number CN214999651U discloses a pressure reducing valve for a heat network pipeline, comprising a pressure reducing valve body and fastening bolts, an inlet port is arranged on the left side of the pressure reducing valve body, an outlet port is arranged on the right side of the pressure reducing valve body, and structural connecting plates are arranged on the top and bottom of the pressure reducing valve body, an upper valve body is arranged on the top of the top structural connecting plate, and a rotating mechanism is fixedly connected to the bottom of the bottom structural connecting plate; the utility model is provided with a movable sleeve sleeved on the surface of the mounting plate, and cooperates with positioning bolts and positioning holes, so that the distance between the two first mounting plates and the second mounting plate at the bottom can be adjusted, thereby further improving the flexibility and stability of the installation of the mounting mechanism, and by arranging reinforcing ribs on the side where the two first mounting plates are close to each other, the supporting effect and stability of the mounting mechanism are further improved.

[0004] However, the above-mentioned prior art has the following defects: the device cannot adjust the pressure reduction of the pressure reducing valve; it cannot meet the working requirements of adjusting the pressure reducing effect in the application environment of the pressure reducing valve, which is not conducive to improving the practicality of the pressure reducing valve. Summary of the invention

[0005] The present invention aims at solving the technical problems existing in the background technology and proposes an air pressure reducing valve for ships.

[0006] The technical solution of the present invention is: an air pressure reducing valve for ships, comprising a housing, a pressure reducing assembly, an inlet assembly, an outlet assembly, a pressure regulating assembly and a detection assembly. The pressure reducing assembly and the pressure regulating assembly are arranged on the housing; the inlet assembly is arranged at the inlet end of the housing; the outlet assembly is arranged at the outlet end of the housing; the detection assembly is arranged on the housing, and the detection assembly is connected to the outlet assembly.

[0007] The decompression assembly includes a decompression sleeve, a rotating knob and a floating chamber; the rotating knob is threadedly connected to the shell; the floating chamber is set on the shell through the rotating knob; the decompression sleeve is rotatably set on the rotating knob, and a decompression groove is set on the decompression sleeve. The decompression sleeve is located between the outlet assembly and the inlet assembly, and is close to the outlet assembly.

[0008] The pressure regulating assembly includes a piston sleeve, a mounting seat, a piston rod, a lead screw, a spring, a rotating seat, a positioning sleeve, a rotating knob 2 and a sliding sleeve; a connecting groove is provided on the piston sleeve; the piston sleeve is arranged on the shell, and the piston sleeve is arranged on the mounting seat; the mounting seat is arranged between the inlet assembly and the outlet assembly; the piston rod is slidingly arranged on the piston sleeve, and one end of the piston rod is arranged on the sliding sleeve; the positioning sleeve is arranged on the shell; the rotating seat is arranged on the positioning sleeve; the lead screw is rotatably arranged on the rotating seat; the sliding sleeve is threadedly connected to the lead screw; the rotating knob 2 is arranged on the lead screw, and the rotating knob 2 is rotatably connected to the shell.

[0009] Preferably, the decompression assembly further includes a filter; the filter is disposed in the decompression sleeve.

[0010] Preferably, the inlet assembly includes an inlet pipe connector and an inlet end threaded sleeve; the inlet pipe connector is arranged on the housing through the inlet end threaded sleeve.

[0011] Preferably, the outlet assembly comprises an outlet pipe connector and an outlet end threaded sleeve; the outlet pipe connector is arranged on the housing through the outlet end threaded sleeve.

[0012] Preferably, the detection component includes a detection sensor and an instrument panel; the detection sensor is arranged on the housing, and the detection sensor is communicatively connected with the instrument panel; the instrument panel is arranged on the housing.

[0013] Preferably, the detection sensor is configured as a flow rate detection sensor.

[0014] Preferably, the detection sensor is configured as a pressure detection sensor.

[0015] Preferably, the pressure regulating assembly further comprises a gasket; the gasket is arranged between the housing and the piston sleeve.

[0016] Compared with the prior art, the above technical scheme of the present invention has the following beneficial technical effects: by setting a pressure reducing assembly, the fluid passes through the inlet assembly and reaches the pressure reducing assembly, and the fluid drives the pressure reducing sleeve to rotate on the rotating knob 1, and the pressure reducing groove on the pressure reducing sleeve changes the throttling area through which the fluid passes, so that the flow rate and the kinetic energy of the fluid change, resulting in different pressure losses, thereby achieving the purpose of pressure reducing; by rotating the rotating knob 1, the floating bin can be disassembled and installed, so that it is convenient for the staff to disassemble and clean the pressure reducing sleeve; by setting a pressure regulating assembly, the rotating knob 2 is used to drive the lead screw to rotate on the rotating seat, thereby driving the sliding sleeve to slide in the shell, and then changing the position of the piston rod on the piston sleeve; when the piston rod extends deep into the piston sleeve, the air pressure in the shell is higher at this time, and the pressure reducing amplitude is smaller; on the contrary, when the piston rod extends less into the piston sleeve, the air pressure in the shell is lower at this time, and the pressure reducing amplitude is larger, thereby realizing the adjustment of the pressure reducing rate of the pressure reducing valve, and improving the practicality of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic structural diagram of an embodiment of the present invention.

[0018] Figure 2 A cross-sectional view of an embodiment of the present invention.

[0019] Figure 3 An exploded view of an embodiment of the present invention.

[0020] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] Figure 5 for Figure 3 Schematic diagram of the local enlarged structure at point B in the middle.

[0022] Figure numerals: 1. Shell; 2. Pressure reducing assembly; 3. Inlet assembly; 4. Outlet assembly; 5. Pressure regulating assembly; 6. Detection assembly; 7. Pressure reducing sleeve; 8. Pressure reducing groove; 9. Filter; 10. Turn knob one; 11. Floating bin; 12. Inlet pipe connector; 13. Inlet end threaded sleeve; 14. Outlet pipe connector; 15. Outlet end threaded sleeve; 16. Piston sleeve; 17. Connecting groove; 18. Gasket; 19. Mounting seat; 20. Piston rod; 21. Screw; 22. Spring; 23. Rotating seat; 24. Positioning sleeve; 25. Turn knob two; 26. Detection sensor; 27. Instrument panel; 28. Sliding sleeve. DETAILED DESCRIPTION

[0023] Embodiment 1

[0024] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0025] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0026] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0027] In this embodiment, the fluid passes through the inlet component 3 and reaches the decompression component 2. The fluid drives the decompression sleeve 7 to rotate on the rotating knob 10. The decompression groove 8 on the decompression sleeve 7 changes the throttling area through which the fluid passes, changes the flow rate and the kinetic energy of the fluid, and causes different pressure losses, thereby achieving the purpose of decompression. By rotating the rotating knob 10, the floating bin 11 can be disassembled and installed, thereby facilitating the staff to disassemble and clean the decompression sleeve 7.

[0028] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0029] In this embodiment, the screw 21 is driven to rotate on the rotating seat 23 by rotating the knob 25, thereby driving the sliding sleeve 28 to slide in the housing 1, and then changing the position of the piston rod 20 on the piston sleeve 16; when the piston rod 20 extends deep into the piston sleeve 16, the air pressure in the housing 1 is higher and the decompression range is smaller; conversely, when the piston rod 20 extends less into the piston sleeve, the air pressure in the housing 1 is lower and the decompression range is larger, thereby realizing the adjustment of the decompression rate of the pressure reducing valve, thereby improving the practicality of the present invention.

[0030] Embodiment 2

[0031] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0032] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0033] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0034] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0035] Furthermore, the decompression assembly 2 also includes a filter 9 ; the filter 9 is disposed in the decompression sleeve 7 .

[0036] In this embodiment, the fluid passes through the inlet assembly 3 and reaches the decompression assembly 2. The fluid drives the decompression sleeve 7 to rotate on the rotating knob 10. The decompression groove 8 on the decompression sleeve 7 changes the throttling area through which the fluid passes, changes the flow rate and the kinetic energy of the fluid, and causes different pressure losses, thereby achieving the purpose of decompression. By rotating the rotating knob 10, the floating bin 11 can be disassembled and installed, so that it is convenient for the staff to disassemble and clean the decompression sleeve 7.

[0037] In this embodiment, a filter element 9 is provided. When the fluid passes through the decompression sleeve 7, the filter element 9 filters the fluid, thereby enriching the functionality of the present invention and improving the practicability of the present invention.

[0038] Embodiment 3

[0039] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0040] like Figure 1-5As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0041] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0042] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0043] Furthermore, the inlet assembly 3 includes an inlet pipe connector 12 and an inlet-end threaded sleeve 13 ; the inlet pipe connector 12 is disposed on the housing 1 via the inlet-end threaded sleeve 13 .

[0044] Embodiment 4

[0045] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0046] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0047] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0048] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0049] Furthermore, the outlet assembly 4 includes an outlet pipe connector 14 and an outlet end threaded sleeve 15 ; the outlet pipe connector 14 is disposed on the housing 1 through the outlet end threaded sleeve 15 .

[0050] Embodiment 5

[0051] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0052] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0053] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0054] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0055] Furthermore, the detection component 6 includes a detection sensor 26 and a dashboard 27 ; the detection sensor 26 is disposed on the housing 1 , and the detection sensor 26 is communicatively connected with the dashboard 27 ; the dashboard 27 is disposed on the housing 1 .

[0056] In this embodiment, a detection assembly 6 is provided to detect the fluid flow rate or fluid pressure in the housing 1, thereby improving the staff's understanding of the working condition of the pressure reducing valve.

[0057] Embodiment 6

[0058] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0059] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0060] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0061] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0062] Furthermore, the detection component 6 includes a detection sensor 26 and a dashboard 27 ; the detection sensor 26 is disposed on the housing 1 , and the detection sensor 26 is communicatively connected with the dashboard 27 ; the dashboard 27 is disposed on the housing 1 .

[0063] Furthermore, the detection sensor 26 is configured as a flow rate detection sensor.

[0064] In this embodiment, a flow rate detection sensor is provided to detect the flow rate of the fluid in the housing 1 .

[0065] Embodiment 7

[0066] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0067] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0068] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0069] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0070] Furthermore, the detection component 6 includes a detection sensor 26 and a dashboard 27 ; the detection sensor 26 is disposed on the housing 1 , and the detection sensor 26 is communicatively connected with the dashboard 27 ; the dashboard 27 is disposed on the housing 1 .

[0071] Furthermore, the detection sensor 26 is configured as a pressure detection sensor.

[0072] In this embodiment, a pressure detection sensor is provided to detect the pressure in the housing 1, thereby testing the decompression effect.

[0073] Embodiment 8

[0074] The present invention provides an air pressure reducing valve for ships, comprising a housing 1, a pressure reducing assembly 2, an inlet assembly 3, an outlet assembly 4, a pressure regulating assembly 5 and a detection assembly 6.

[0075] like Figure 1-5 As shown, the pressure reducing assembly 2 and the pressure regulating assembly 5 are arranged on the shell 1; the inlet assembly 3 is arranged at the inlet end of the shell 1; the outlet assembly 4 is arranged at the outlet end of the shell 1; the detection assembly 6 is arranged on the shell 1, and the detection assembly 6 is connected to the outlet assembly 4.

[0076] The decompression assembly 2 includes a decompression sleeve 7, a rotating knob 10 and a floating chamber 11; the rotating knob 10 is threadedly connected to the shell 1; the floating chamber 11 is set on the shell 1 by rotating the knob 10; the decompression sleeve 7 is rotatably set on the rotating knob 10, and a decompression groove 8 is set on the decompression sleeve 7. The decompression sleeve 7 is located between the outlet assembly 4 and the inlet assembly 3, and is close to the outlet assembly 4.

[0077] The pressure regulating assembly 5 includes a piston sleeve 16, a mounting seat 19, a piston rod 20, a screw 21, a spring 22, a rotating seat 23, a positioning sleeve 24, a rotating knob 25 and a sliding sleeve 28; a connecting groove 17 is provided on the piston sleeve 16; the piston sleeve 16 is arranged on the housing 1, and the piston sleeve 16 is arranged on the mounting seat 19; the mounting seat 19 is arranged between the inlet assembly 3 and the outlet assembly 4; the piston rod 20 is slidably arranged on the piston sleeve 16, and one end of the piston rod 20 is arranged on the sliding sleeve 28; the positioning sleeve 24 is arranged on the housing 1; the rotating seat 23 is arranged on the positioning sleeve 24; the screw 21 is rotatably arranged on the rotating seat 23; the sliding sleeve 28 is threadedly connected to the screw 21; the rotating knob 25 is arranged on the screw 21, and the rotating knob 25 is rotatably connected to the housing 1; the spring 22 sliding sleeve is arranged on the screw 21, one end of the spring 22 is arranged on the positioning sleeve 24, and the other end of the spring 22 is arranged on the piston rod 20.

[0078] Furthermore, the pressure regulating assembly 5 further includes a gasket 18 ; the gasket 18 is disposed between the housing 1 and the piston sleeve 16 .

[0079] In this embodiment, a gasket 18 is provided to protect the housing 1 and the piston sleeve 16 .

[0080] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An air pressure reducing valve for a ship, characterized in that: It comprises a housing (1), a pressure reducing assembly (2), an inlet assembly (3), an outlet assembly (4), a pressure regulating assembly (5) and a detection assembly (6); The pressure reducing assembly (2) and the pressure regulating assembly (5) are arranged on the housing (1); the inlet assembly (3) is arranged at the inlet end of the housing (1); the outlet assembly (4) is arranged at the outlet end of the housing (1); the detection assembly (6) is arranged on the housing (1), and the detection assembly (6) is connected to the outlet assembly (4); The decompression assembly (2) comprises a decompression sleeve (7), a rotating knob (10) and a floating chamber (11); the rotating knob (10) is threadedly connected to the housing (1); the floating chamber (11) is arranged on the housing (1) by means of the rotating knob (10); the decompression sleeve (7) is rotatably arranged on the rotating knob (10), a decompression groove (8) is arranged on the decompression sleeve (7), and the decompression sleeve (7) is located between the outlet assembly (4) and the inlet assembly (3), and is close to the outlet assembly (4); The pressure regulating assembly (5) comprises a piston sleeve (16), a mounting seat (19), a piston rod (20), a lead screw (21), a spring (22), a rotating seat (23), a positioning sleeve (24), a second rotating knob (25) and a sliding sleeve (28); a connecting groove (17) is arranged on the piston sleeve (16); the piston sleeve (16) is arranged on the housing (1), and the piston sleeve (16) is arranged on the mounting seat (19); the mounting seat (19) is arranged between the inlet assembly (3) and the outlet assembly (4); the piston rod (20) is slidably arranged on the piston sleeve (16), and the piston rod (20) one end of the spring (22) is arranged on the sliding sleeve (28); the positioning sleeve (24) is arranged on the housing (1); the rotating seat (23) is arranged on the positioning sleeve (24); the lead screw (21) is rotatably arranged on the rotating seat (23); the sliding sleeve (28) is threadedly connected to the lead screw (21); the rotating knob (25) is arranged on the lead screw (21), and the rotating knob (25) is rotatably connected to the housing (1); the spring (22) sliding sleeve is arranged on the lead screw (21), one end of the spring (22) is arranged on the positioning sleeve (24), and the other end of the spring (22) is arranged on the piston rod (20).

2. The air pressure reducing valve for ships according to claim 1, characterized in that: The decompression assembly (2) further comprises a filter element (9); the filter element (9) is arranged in the decompression sleeve (7).

3. The air pressure reducing valve for ships according to claim 1, characterized in that: The inlet assembly (3) comprises an inlet pipe connector (12) and an inlet end threaded sleeve (13); the inlet pipe connector (12) is arranged on the housing (1) via the inlet end threaded sleeve (13).

4. The air pressure reducing valve for ships according to claim 1, characterized in that: The outlet assembly (4) comprises an outlet pipe connector (14) and an outlet end threaded sleeve (15); the outlet pipe connector (14) is arranged on the housing (1) via the outlet end threaded sleeve (15).

5. The air pressure reducing valve for ships according to claim 1, characterized in that: The detection component (6) comprises a detection sensor (26) and an instrument panel (27); the detection sensor (26) is arranged on the housing (1), and the detection sensor (26) is communicatively connected with the instrument panel (27); and the instrument panel (27) is arranged on the housing (1).

6. The air pressure reducing valve for ships according to claim 5, characterized in that: The detection sensor (26) is configured as a flow rate detection sensor.

7. The air pressure reducing valve for ships according to claim 5, characterized in that: The detection sensor (26) is configured as a pressure detection sensor.

8. The air pressure reducing valve for ships according to claim 1, characterized in that: The pressure regulating assembly (5) further comprises a gasket (18); the gasket (18) is arranged between the housing (1) and the piston sleeve (16).

9. An air pressure reducing valve for ships according to any one of claims 1 to 8, characterized in that: Here’s how to use it: S1, connecting the high-pressure fluid pipeline end to the inlet component (3), and connecting the low-pressure fluid pipeline end to the outlet component (4); S2, the fluid passes through the inlet assembly (3) and reaches the pressure reducing assembly (2), and the fluid drives the pressure reducing sleeve (7) to rotate on the rotating knob (10), and the pressure reducing groove (8) on the pressure reducing sleeve (7) changes the throttling area through which the fluid passes, so that the flow velocity and the kinetic energy of the fluid change, resulting in different pressure losses, thereby achieving the purpose of pressure reduction; by rotating the rotating knob (10), the floating chamber (11) can be disassembled and installed, so that it is convenient for the staff to disassemble and clean the pressure reducing sleeve (7); S3. The screw (21) is driven to rotate on the rotating seat (23) by rotating the second knob (25), thereby driving the sliding sleeve (28) to slide in the housing (1), thereby changing the position of the piston rod (20) on the piston sleeve (16); when the piston rod (20) extends deep into the piston sleeve (16), the air pressure in the housing (1) is relatively high and the decompression range is relatively small; conversely, when the piston rod (20) extends less into the piston sleeve, the air pressure in the housing (1) is relatively low and the decompression range is relatively large.

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