CN220435470U - Pressure-resistant blow-down valve capable of being operated manually - Google Patents
Pressure-resistant blow-down valve capable of being operated manually Download PDFInfo
- Publication number
- CN220435470U CN220435470U CN202322131455.4U CN202322131455U CN220435470U CN 220435470 U CN220435470 U CN 220435470U CN 202322131455 U CN202322131455 U CN 202322131455U CN 220435470 U CN220435470 U CN 220435470U
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- valve body
- valve
- valve plate
- pressure
- blow
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- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000010992 reflux Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 description 11
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model is suitable for the technical field of blow-down valves, and provides a pressure-resistant blow-down valve capable of being operated manually, which comprises: the first valve body is fixedly connected with the second valve body; the first inlet and outlet flange is arranged on the first valve body; the second inlet and outlet flange is arranged on the second valve body; the valve plate is positioned between the first valve body and the second valve body, and the valve plate is controlled to open and close by moving; the two cylinders are connected with the valve plate and used for driving the valve plate to move; and the manual rod is connected with the valve plate and is used for manually driving the valve plate to move. The utility model has good sealing performance and pressure resistance, can bear more than 5 kg of air pressure, does not leak, is provided with double-cylinder drive, can normally work under the condition of low air pressure, and is also provided with a manual rod which can manually open and close the blow-down valve when the air cylinder fails.
Description
Technical Field
The utility model belongs to the technical field of blow-down valves, and particularly relates to a pressure-resistant blow-down valve capable of being manually operated.
Background
The vehicle-mounted toilet can be applied to dense people flow places due to the fluidity, so that the problems of large people flow and insufficient toilet positions are solved, emergency supplement can be realized, quick movement can be realized, the vehicle-mounted toilet is accurate in place, the efficiency is high, and the cost is low. When the sewage tank of the vehicle-mounted toilet needs long-time sewage discharge, the sewage can be discharged by a sewage pump or by pressurization in the sewage tank at present.
However, the method has the defects that a sewage pump is adopted to provide a high-power supply, and a large installation control is needed for installing the sewage pump; the pressure-type blow-down valve cannot bear pressure, a pressure-bearing valve is additionally arranged between the sewage tank and the toilet, the pressure-bearing valve is closed during blow-down, compressed air is injected into the sewage tank to discharge sewage to a designated position, and the sewage cannot normally work under the condition of no air source.
Disclosure of Invention
An object of an embodiment of the present utility model is to provide a pressure-resistant blow-down valve capable of being operated manually, which aims to solve the problems set forth in the background art.
The embodiment of the utility model is realized in such a way that a manually operable pressure-resistant blow-down valve comprises:
the first valve body is fixedly connected with the second valve body, one sides of the first valve body and the second valve body are respectively provided with a through hole, and the other sides of the first valve body and the second valve body are respectively provided with a reflux groove;
the first inlet and outlet flange is arranged on the first valve body and corresponds to the through hole on the first valve body;
the second inlet and outlet flange is arranged on the second valve body and corresponds to the through hole on the second valve body;
the valve plate is positioned between the first valve body and the second valve body, and is used for controlling the opening and closing of the through hole when moving, so as to drive the dirt to be discharged through the reflux groove;
the two cylinders are arranged on the first valve body and the second valve body, are connected with the valve plate and are used for driving the valve plate to move;
and the manual rod is arranged on the first valve body and the second valve body, is connected with the valve plate and is used for manually driving the valve plate to move.
Preferably, the valve further comprises a first sealing ring, wherein the first sealing ring is arranged on the first valve body, and the first sealing ring is tightly sealed with the valve plate through the first inlet and outlet flange.
Preferably, the valve further comprises a second sealing ring, the second sealing ring is arranged on the second valve body, and the second sealing ring is tightly sealed with the valve plate through a second inlet and outlet flange.
Preferably, the valve further comprises a mounting bolt, and the first valve body and the second valve body are fixedly connected through the mounting bolt.
Preferably, the valve plate is provided with threads, and the manual rod is movably connected with the valve plate through the threads.
The pressure-resistant blow-down valve capable of being operated manually is provided with a double-cylinder drive to overcome the defects in the prior art, can work normally under the condition of low air pressure, is also provided with a manual rod, can be used for manually opening and closing the blow-down valve when the air cylinder fails, the connecting surface of the air cylinder and the first valve body and the second valve body is provided with an O-shaped ring seal, and is arranged in a clamping groove arranged on a valve plate; when manual operation is needed, the opening A and the opening B are communicated with the atmosphere, the manual rod is connected with the valve plate, and the valve plate can be driven to move rightwards by pulling the manual rod rightwards, so that the blow-down valve can be opened.
Drawings
FIG. 1 is a schematic diagram of a manually operable pressure-resistant blow-down valve according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a manually operable pressure-resistant blow-down valve according to an embodiment of the present utility model;
FIG. 3 is a top view showing an opened state of a manually operable pressure-resistant blow-down valve according to an embodiment of the present utility model;
FIG. 4 is a front cross-sectional view showing an opened state of a manually operable pressure-resistant blow-down valve according to an embodiment of the present utility model;
FIG. 5 is a top view showing a closed state of a manually operable pressure-resistant blow-down valve according to an embodiment of the present utility model;
fig. 6 is a front cross-sectional view showing a closed state of a pressure-resistant blow-down valve which can be operated manually according to an embodiment of the present utility model.
In the accompanying drawings: 1-a first valve body; 2-a second valve body; 3-a valve plate; 4-a first inlet and outlet flange; 5-a first sealing ring; 6-a second inlet and outlet flange; 7-a second sealing ring; 8-mounting bolts; 9-a manual lever; 10-cylinder; 11-A port; 12-B port.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 2, a structure diagram of a pressure-resistant blow-down valve capable of being manually operated according to an embodiment of the present utility model includes:
the first valve body 1 is fixedly connected with the second valve body 2, one sides of the first valve body 1 and the second valve body 2 are respectively provided with a through hole, and the other sides of the first valve body 1 and the second valve body 2 are respectively provided with a reflux groove;
the first inlet and outlet flange 4 is arranged on the first valve body 1 and corresponds to the through hole on the first valve body 1;
the second inlet and outlet flange 6 is arranged on the second valve body 2 and corresponds to the through hole on the second valve body 2;
the valve plate 3 is positioned between the first valve body 1 and the second valve body 2, and when the valve plate 3 moves, the opening and closing of the through holes are controlled to drive dirt to be discharged through the reflux groove;
the two cylinders 10 are arranged, are arranged on the first valve body 1 and the second valve body 2, are connected with the valve plate 3 and are used for driving the valve plate 3 to move;
and the manual rod 9 is arranged on the first valve body 1 and the second valve body 2, is connected with the valve plate 3 and is used for manually driving the valve plate 3 to move.
In one embodiment of the utility model, the manually-operated pressure-resistant blow-down valve is provided with a double-cylinder drive, can normally work under the condition of low air pressure, and is also provided with a manual lever 9, the blow-down valve can be manually opened and closed when the air cylinder 10 fails, the connection surface of the air cylinder 10 and the first valve body 1 and the second valve body 2 is provided with an O-shaped ring seal, the O-shaped ring seal is arranged in a clamping groove arranged on the valve plate 3, when the blow-down valve needs to be opened, the A port 11 is filled with compressed air, the B port 12 is connected with air, the air cylinder 10 moves rightwards to drive the valve plate 3 to move rightwards, the blow-down valve is opened, when the blow-down valve needs to be closed, the B port 12 is filled with compressed air, the A port 11 is connected with air, the air cylinder 10 moves leftwards to drive the valve plate 3 to move leftwards, and the blow-down valve is closed; when manual operation is needed, the opening A11 and the opening B12 are all communicated with the atmosphere, the manual rod 9 is connected with the valve plate 3, and the valve plate 3 can be driven to move rightwards by pulling the manual rod 9 rightwards, so that the blow-off valve can be opened.
As shown in fig. 4 and 6, as a preferred embodiment of the present utility model, the valve further comprises a first sealing ring 5, wherein the first sealing ring 5 is mounted on the first valve body 1, and the first sealing ring 5 is tightly sealed with the valve plate 3 through the first inlet and outlet flange 4.
Specifically, the valve further comprises a second sealing ring 7, the second sealing ring 7 is installed on the second valve body 2, and the second sealing ring 7 is tightly pressed and sealed with the valve plate 3 through the second inlet and outlet flange 6.
The blow-down valve adopts a double-lip sealing structure, the first sealing ring 5 is pressed through the first inlet and outlet flange 4, the second inlet and outlet flange 6 is pressed against the second sealing ring 7, the first sealing ring 5 and the second sealing ring 7 are driven to be connected with the valve plate 3, a sealing cavity is formed between the valve plate 3 and the first inlet and outlet flange 4 (the valve plate 3, the second sealing ring 7 and the second inlet and outlet flange 6), pressure leakage is prevented, the compression capacity of the first sealing ring 5 and the second sealing ring 7 is 0.5mm, the Shore hardness is 70-75 degrees, the blow-down valve has good sealing performance and pressure resistance, the blow-down valve can be normally closed under the condition that the cylinder 10 is connected with the pressure of 0.4MPa, and the pressure blow-down valve with the outlet connected with 0.5MPa is not leaked.
As shown in fig. 1 to 2, as a preferred embodiment of the present utility model, there is further included a mounting bolt 8, and the first valve body 1 and the second valve body 2 are fixedly connected by the mounting bolt 8.
The contact surface of the first valve body 1 and the second valve body 2 is smeared with sealant, and then is screwed by using a mounting bolt 8.
As shown in fig. 2, as a preferred embodiment of the present utility model, the valve plate 3 is threaded, and the manual lever 9 is movably connected with the valve plate 3 through threads.
When the manual rod 9 is installed on the first valve body 1 and the second valve body 2, and when the air cylinder 10 fails and the pneumatic control system fails, the manual rod 9 is rotated to drive the manual rod 9 to be connected with the valve plate 3, so that the purpose of manual operation is realized.
The assembly sequence of the blow-down valve is as follows: the telescopic rod of the air cylinder 10 is clamped into the clamping groove formed in the valve plate 3, the O-shaped ring is placed into the air cylinder mounting hole of the second valve body 2, the air cylinder 10 and the valve plate 3 are placed into the second valve body 2 together, the contact surface of the second valve body 2 and the first valve body 1 is coated with sealing glue, the second valve body 2 and the first valve body 1 are screwed down through the mounting bolt 8, the air cylinder 10 is screwed down, then the manual rod 9 is mounted on the first valve body 1 and the second valve body 2, the first sealing ring 5 and the second sealing ring 7 are placed on the first valve body 1 and the second valve body 2, and the first sealing ring 5 and the second sealing ring 7 are tightly sealed with the valve plate 3 through the bolts by the first inlet flange 4 and the second inlet flange 6.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. A manually operable pressure-resistant blow-down valve, comprising:
the device comprises a first valve body (1), wherein the first valve body (1) and a second valve body (2) are fixedly connected, one sides of the first valve body (1) and the second valve body (2) are respectively provided with a through hole, and the other sides of the first valve body (1) and the second valve body (2) are respectively provided with a reflux groove;
the first inlet and outlet flange (4) is arranged on the first valve body (1) and corresponds to the through hole on the first valve body (1);
the second inlet and outlet flange (6) is arranged on the second valve body (2) and corresponds to the through hole on the second valve body (2);
the valve plate (3) is positioned between the first valve body (1) and the second valve body (2), and when the valve plate (3) moves, the opening and closing of the through hole are controlled to drive the dirt to be discharged through the reflux groove;
the two cylinders (10) are arranged, are arranged on the first valve body (1) and the second valve body (2), are connected with the valve plate (3) and are used for driving the valve plate (3) to move;
and the manual rod (9) is arranged on the first valve body (1) and the second valve body (2), is connected with the valve plate (3) and is used for manually driving the valve plate (3) to move.
2. The manually operable pressure-resistant blow-down valve according to claim 1, further comprising a first sealing ring (5), wherein the first sealing ring (5) is mounted on the first valve body (1), and the first sealing ring (5) is tightly sealed with the valve plate (3) through the first inlet and outlet flange (4).
3. The manually operable pressure-resistant blow-down valve according to claim 2, further comprising a second sealing ring (7), the second sealing ring (7) being mounted on the second valve body (2), the second sealing ring (7) being in pressure-tight sealing with the valve plate (3) via a second inlet-outlet flange (6).
4. The manually operable pressure-resistant blow-down valve according to claim 1, further comprising a mounting bolt (8), wherein the first valve body (1) and the second valve body (2) are fixedly connected by the mounting bolt (8).
5. The pressure-resistant blow-down valve capable of being operated manually according to claim 1, wherein threads are formed on the valve plate (3), and the manual lever (9) is movably connected with the valve plate (3) through the threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322131455.4U CN220435470U (en) | 2023-08-09 | 2023-08-09 | Pressure-resistant blow-down valve capable of being operated manually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322131455.4U CN220435470U (en) | 2023-08-09 | 2023-08-09 | Pressure-resistant blow-down valve capable of being operated manually |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435470U true CN220435470U (en) | 2024-02-02 |
Family
ID=89695809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322131455.4U Active CN220435470U (en) | 2023-08-09 | 2023-08-09 | Pressure-resistant blow-down valve capable of being operated manually |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435470U (en) |
-
2023
- 2023-08-09 CN CN202322131455.4U patent/CN220435470U/en active Active
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