Adjustable split type emptying valve

Abstract

The utility model discloses an adjustable split type emptying valve, which relates to the technical field of emptying valves and comprises an air inlet cabin, a working cabin is arranged at the upper end of the air inlet cabin, and an air inlet is arranged at the lower end of the air inlet cabin. According to the adjustable split type emptying valve, the air inlet cabin and the working cabin which are independently arranged are utilized, the valve body can be conveniently disassembled, assembled and maintained, and when the air inlet cabin and the working cabin are assembled, the lower end of the working cabin is placed into the inner side of the concave-convex spigot, so that the assembling and positioning precision of the working cabin is improved; air flow enters the air inlet cabin from the air inlet and pushes the sealing piece to ascend, the valve element slides along the inner side of the linear bearing, meanwhile, the air flow flows out from the air outlet, and therefore the purpose of air flow emptying is achieved. When flow adjustment needs to be conducted, the adjusting bolt on the cover plate is manually adjusted, and the distance between the adjusting bolt and the emptying piston is adjusted, so that the stroke of the emptying piston is controlled; the opening degree of the sealing piece is controlled through the valve element so that the purpose of controlling flow can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vent valves, in particular to an adjustable split vent valve. Background Art

[0002] A vent valve is a type of valve that is mainly used to discharge pressurized gas or liquid when not in operation or in an emergency, to avoid high noise and vibration between the valve and downstream pipeline when the pressure and temperature rise to a certain point due to the full pressure difference borne by the control valve, and to avoid other accidents.

[0003] The existing vent valve body mostly adopts an integrated design, and the valve body cannot be disassembled, which makes the disassembly, assembly, inspection and maintenance of the internal structure of the valve body difficult and has low practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an adjustable split vent valve, which solves the problem that the vent valve body mostly adopts an integrated design and the valve body cannot be split, resulting in difficult disassembly, assembly, inspection and maintenance of the internal structure of the valve body and low practicality.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an adjustable split vent valve, including an air intake cabin, a working cabin is provided at the upper end of the air intake cabin, an air inlet is provided at the lower end of the air intake cabin, an air outlet is provided on the left side of the air intake cabin, a valve core is provided on the inner side of the air intake cabin, a sealing plate is provided at the lower end of the valve core, a linear bearing is provided at the lower end of the working cabin, a vent piston is provided on the inner side of the working cabin, a vent membrane flap is provided at the upper end of the vent piston, a cover plate is provided at the upper end of the working cabin, an adjusting bolt is provided at the upper end of the cover plate, and a locking nut is provided on the outer side of the adjusting bolt.

[0006] Preferably, a concave-convex stop is provided at the upper end of the air inlet cabin, and the lower end of the working cabin and the inner side of the concave-convex stop are adapted to each other and fixedly connected to the upper end of the air inlet cabin by a flange, so as to facilitate the disassembly and assembly of the air inlet cabin and the working cabin.

[0007] Preferably, the air inlet and the air outlet are connected to the inner side of the air inlet cabin, the sealing plate and the upper end of the air inlet are adapted to each other and fixedly connected to the outer side of the lower end of the valve core, the sealing plate is made of silicone rubber, and a load-bearing plate is provided at the upper end of the sealing plate to facilitate the control of the air inlet.

[0008] Preferably, the upper end of the linear bearing is fixedly connected to the lower end of the inner side of the working cabin, and the lower end of the linear bearing extends to the outer side of the working cabin and is slidably sleeved with the outer side of the upper end of the valve core to facilitate the up and down sliding of the valve core.

[0009] Preferably, the vent piston and the vent diaphragm are adapted to the inner side of the working chamber, the upper end of the valve core extends to the inner side of the working chamber, and is fixedly connected to the vent piston and the vent diaphragm by screws, so as to facilitate the disassembly, assembly and maintenance of the vent piston and the vent diaphragm.

[0010] Preferably, the cover plate and the upper end of the working cabin are fixedly connected by a flange, and the outer side of the upper end of the venting membrane flap is located between the cover plate and the working cabin, and fits tightly with the cover plate and the working cabin, thereby fixing the upper end of the venting membrane flap and sealing the side of the cover plate.

[0011] Preferably, the lower end of the adjusting bolt extends to the lower end of the cover plate and is movably connected to the cover plate, and the locking nut is threadedly connected to the outer side of the adjusting bolt and is connected to the upper end of the cover plate, so as to facilitate the adjustment of the travel range of the venting piston. Beneficial Effects

[0012] The utility model provides an adjustable split-type vent valve. Compared with the prior art, it has the following beneficial effects:

[0013] The adjustable split vent valve is provided with an air intake chamber, a concave-convex stopper, and a working chamber. The air intake chamber and the working chamber are separately provided, so that the valve body can be easily split, thereby facilitating the disassembly, assembly, inspection and maintenance of the internal structure of the valve body. When the air intake chamber and the working chamber are assembled, the lower end of the working chamber is placed inside the concave-convex stopper, thereby improving the assembly positioning accuracy of the working chamber.

[0014] The adjustable split vent valve is provided with an air intake chamber, an air intake port, an air outlet port, a valve core, a sealing plate, a linear bearing, a vent piston, a cover plate, and an adjusting bolt. Airflow enters the air intake chamber from the air intake port, pushes the sealing plate to rise, and causes the valve core to slide along the inner side of the linear bearing. At the same time, airflow flows out from the air outlet to achieve the purpose of airflow venting. When flow adjustment is required, the adjusting bolt on the cover plate is manually adjusted. By adjusting the distance between the adjusting bolt and the vent piston, the stroke of the vent piston is controlled, and then the opening of the sealing plate is controlled by the valve core to achieve the purpose of controlling the flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;

[0018] Figure 4 It is a schematic diagram of a front view half-section three-dimensional structure of the utility model.

[0019] In the figure: 1. Air inlet compartment; 101. Concave and convex stopper; 2. Working compartment; 3. Air inlet; 4. Air outlet; 5. Valve core; 501. Screw; 6. Sealing plate; 7. Linear bearing; 8. Vent piston; 9. Vent diaphragm; 10. Cover plate; 11. Adjusting bolt; 12. Locking nut. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: an adjustable split vent valve, including an air intake cabin 1, a working cabin 2 is arranged at the upper end of the air intake cabin 1, a concave-convex stopper 101 is arranged at the upper end of the air intake cabin 1, the lower end of the working cabin 2 and the inner side of the concave-convex stopper 101 are adapted to each other, and are fixedly connected to the upper end of the air intake cabin 1 through a flange. By using the separately arranged air intake cabin 1 and working cabin 2, it is convenient to split the valve body, thereby facilitating the disassembly, assembly, inspection and maintenance of the internal structure of the valve body. When the air intake cabin 1 and the working cabin 2 are assembled, the lower end of the working cabin 2 is placed inside the concave-convex stopper 101, thereby improving the assembly positioning accuracy of the working cabin 2.

[0022] An air inlet 3 is provided at the lower end of the air inlet cabin 1, an air outlet 4 is provided on the left side of the air inlet cabin 1, a valve core 5 is provided on the inner side of the air inlet cabin 1, and a sealing sheet 6 is provided at the lower end of the valve core 5. The air inlet 3 and the air outlet 4 are connected to the inner side of the air inlet cabin 1, the sealing sheet 6 and the upper end of the air inlet 3 are adapted to each other, and are fixedly connected to the outer side of the lower end of the valve core 5, the sealing sheet 6 is made of silicone rubber, and a bearing sheet is provided at the upper end of the sealing sheet 6. A linear bearing 7 is provided at the lower end of the working cabin 2, and the upper end of the linear bearing 7 is fixedly connected to the lower end of the inner side of the working cabin 2, and the lower end of the linear bearing 7 extends to the outer side of the working cabin 2, and is slidably sleeved with the outer side of the upper end of the valve core 5, and a venting active Plug 8, the upper end of the venting piston 8 is provided with a venting diaphragm 9, the venting piston 8 and the venting diaphragm 9 are adapted to each other with the inner side of the working cabin 2, the upper end of the valve core 5 extends to the inner side of the working cabin 2, and is fixedly connected to the venting piston 8 and the venting diaphragm 9 by screws 501, the upper end of the working cabin 2 is provided with a cover plate 10, the cover plate 10 and the upper end of the working cabin 2 are fixedly connected by a flange, the outer side of the upper end of the venting diaphragm 9 is located between the cover plate 10 and the working cabin 2, and is tightly fitted with the cover plate 10 and the working cabin 2, the airflow enters the air inlet cabin 1 from the air inlet 3, pushes the sealing plate 6 to rise, and makes the valve core 5 slide along the inner side of the linear bearing 7, and the airflow flows out from the air outlet 4 at the same time, so as to achieve the purpose of airflow venting;

[0023] An adjusting bolt 11 is provided at the upper end of the cover plate 10, and a locking nut 12 is provided on the outer side of the adjusting bolt 11. The lower end of the adjusting bolt 11 extends to the lower end of the cover plate 10 and is movably connected to the cover plate 10. The locking nut 12 is threadedly connected to the outer side of the adjusting bolt 11 and is connected to the upper end of the cover plate 10. When flow adjustment is required, the adjusting bolt 11 on the cover plate 10 is manually adjusted, and the distance between the adjusting bolt 11 and the venting piston 8 is adjusted to control the stroke of the venting piston 8, and then the opening of the sealing plate 6 is controlled by the valve core 5 to achieve the purpose of controlling the flow.

[0024] During use, when the fan detects that surge occurs during operation, the solenoid valve is de-energized to make the valve core 5 free. At this time, the airflow enters the air intake cabin 1 from the air inlet 3, pushing the sealing plate 6 up, causing the valve core 5 to slide along the inner side of the linear bearing 7, and the airflow flows out from the air outlet 4 at the same time to achieve the purpose of airflow venting. When flow adjustment is required, the adjusting bolt 11 on the cover plate 10 is manually adjusted, and the stroke of the venting piston 8 is controlled by adjusting the distance between the adjusting bolt 11 and the venting piston 8, and then the opening of the sealing plate 6 is controlled by the valve core 5 to achieve the purpose of controlling the flow. The separately arranged air intake cabin 1 and working cabin 2 make it convenient to disassemble the valve body, thereby facilitating the disassembly, assembly, inspection and maintenance of the internal structure of the valve body. When the air intake cabin 1 and the working cabin 2 are assembled, the assembly positioning accuracy of the working cabin 2 is improved by placing the lower end of the working cabin 2 into the inner side of the concave and convex stop 101.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable split vent valve, comprising an air inlet chamber (1), characterized in that: A working chamber (2) is arranged at the upper end of the air inlet chamber (1), an air inlet (3) is arranged at the lower end of the air inlet chamber (1), an air outlet (4) is arranged on the left side of the air inlet chamber (1), a valve core (5) is arranged on the inner side of the air inlet chamber (1), a sealing plate (6) is arranged at the lower end of the valve core (5), a linear bearing (7) is arranged at the lower end of the working chamber (2), a venting piston (8) is arranged on the inner side of the working chamber (2), a venting membrane flap (9) is arranged at the upper end of the venting piston (8), a cover plate (10) is arranged at the upper end of the working chamber (2), an adjusting bolt (11) is arranged at the upper end of the cover plate (10), and a locking nut (12) is arranged on the outer side of the adjusting bolt (11).

2. The adjustable split vent valve according to claim 1, characterized in that: The upper end of the air intake cabin (1) is provided with a concave-convex stopper (101), the lower end of the working cabin (2) and the inner side of the concave-convex stopper (101) are mutually adapted, and are fixedly connected to the upper end of the air intake cabin (1) via a flange.

3. The adjustable split vent valve according to claim 1, characterized in that: The air inlet (3) and the air outlet (4) are both connected to the inner side of the air inlet chamber (1); the sealing sheet (6) and the upper end of the air inlet (3) are mutually adapted and fixedly connected to the outer side of the lower end of the valve core (5); the sealing sheet (6) is made of silicone rubber, and a load-bearing sheet is provided at the upper end of the sealing sheet (6).

4. The adjustable split vent valve according to claim 1, characterized in that: The upper end of the linear bearing (7) is fixedly connected to the lower end of the inner side of the working chamber (2), and the lower end of the linear bearing (7) extends to the outer side of the working chamber (2) and is slidably sleeved with the outer side of the upper end of the valve core (5).

5. The adjustable split vent valve according to claim 1, characterized in that: The vent piston (8) and the vent diaphragm (9) are mutually adapted to the inner side of the working chamber (2); the upper end of the valve core (5) extends to the inner side of the working chamber (2) and is fixedly connected to the vent piston (8) and the vent diaphragm (9) by means of screws (501).

6. The adjustable split vent valve according to claim 1 is characterized in that: The cover plate (10) and the upper end of the working chamber (2) are fixedly connected via a flange, and the outer side of the upper end of the venting membrane flap (9) is located between the cover plate (10) and the working chamber (2), and is tightly fitted to the cover plate (10) and the working chamber (2).

7. The adjustable split vent valve according to claim 1, characterized in that: The lower end of the adjusting bolt (11) extends to the lower end of the cover plate (10) and is movably connected to the cover plate (10); the locking nut (12) is threadedly connected to the outer side of the adjusting bolt (11) and is connected to the upper end of the cover plate (10).

Images