Opening and closing device for pressure relief valve
Technical Field
The utility model belongs to the technical field of pressure relief valves, and particularly relates to an opening and closing device of a pressure relief valve.
Background
The pressure relief valve can be automatically opened and closed according to the working pressure of the system, and is generally arranged on equipment or a pipeline of a closed system to protect the safety of the system; the existing opening and closing device does not solve the problems that the existing opening and closing device is inconvenient for workers to use, and the degree of pressure relief is inconvenient to adjust and the problem that the existing opening and closing device cannot filter the pressure relief pressure is solved.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a pressure relief valve opening and closing device, which solves the technical problems that a worker is inconvenient to use, the degree of pressure relief is inconvenient to adjust and filtering cannot be performed.
In order to achieve the purpose, the utility model provides the following technical scheme: the opening and closing device of the pressure relief valve comprises a valve body, wherein a circular launder is arranged on the inner wall of the valve body, the inner wall of the valve body is movably connected with a supporting plate, the supporting plate is provided with a plurality of water flowing holes, one side of the supporting plate is fixedly connected with a connecting plate through a supporting column, one side of the connecting plate is fixedly connected with a telescopic rod, the number of the telescopic rods is two, the other ends of the two telescopic rods are fixedly connected with the same first baffle plate, springs are arranged on the outer surfaces of the two telescopic rods, the bottom of the inner wall of the valve body is provided with a first sliding chute, the bottom of the first sliding chute is provided with a second sliding chute, the bottom of the supporting plate is fixedly connected with a threaded cylinder, the bottom of the threaded cylinder is connected in the first chute in a sliding manner, a sliding assembly is arranged in the first sliding groove, and a filtering assembly is arranged on one side of the valve body.
As a further scheme of the utility model: the sliding assembly comprises a bearing, one side of the first sliding groove is fixedly connected with the bearing, a threaded rod is movably arranged on one side of the bearing in a penetrating mode, the threaded barrel is in threaded connection with the outer surface of the threaded rod, the bottom of the threaded barrel is fixedly connected with a sliding block, and the sliding block is in sliding connection with the second sliding groove.
As a further scheme of the utility model: the other end fixedly connected with first conical gear of threaded rod, first conical gear meshing is connected with second conical gear, the bottom fixedly connected with transmission shaft of second conical gear, the other end of transmission shaft pass the valve body to through regulating switch swing joint in the bottom of valve body.
As a further scheme of the utility model: one side of valve body is provided with the water inlet, the water inlet joint has the filter, the water inlet has the inlet tube through sealed the pad joint, the other end of valve body is provided with the delivery port, the delivery port has the outlet pipe through sealed pad joint.
As a further scheme of the utility model: the valve is characterized in that a second baffle is arranged in the valve body, a connecting rod is fixedly connected to the top of the second baffle, and the other end of the connecting rod is located at the top of the valve body and is movably connected to the top of the valve body through a control handle.
Compared with the prior art, the utility model has the beneficial effects that:
1. the opening and closing device for the pressure relief valve is convenient to relieve pressure for use and use by arranging the supporting plate, the spring, the first baffle plate, the circular water flowing groove and the like, is convenient to adjust the distance of the supporting plate for pressure relief requirements of different sizes by arranging the first sliding groove, the threaded cylinder, the threaded rod and the first conical gear, is convenient to adjust and use by workers according to needs by arranging the second baffle plate, the connecting rod and the control handle, is closed in time when the water inlet pipe is suddenly leaked, and is convenient for the workers to overhaul;
2. this relief valve headstock gear, through setting up water inlet and filter, the water of pressure release is conveniently filtered when using, avoids debris to get into the relief valve in, leads to the relief valve to block up, makes things convenient for the staff to use, has prolonged live time greatly, through setting up inlet tube, outlet pipe and sealed the pad, conveniently carries out the water pipe when the relief valve uses and fixes, makes things convenient for the staff to use, avoids the water pipe to reveal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a side cross-sectional view of the FIG. 1 embodiment of the present invention;
FIG. 4 is a schematic view of the support plate of FIG. 1 according to the present invention;
in the figure: 1. a valve body; 2. a circular flume; 3. a first baffle plate; 4. a gasket; 5. a water inlet; 6. a filter plate; 7. a water inlet pipe; 8. a telescopic rod; 9. a spring; 10. a connecting plate; 11. a support plate; 12. a control handle; 13. a connecting rod; 14. a second baffle; 15. a water outlet; 16. a water outlet pipe; 17. a first chute; 18. a bearing; 19. an adjustment switch; 20. a threaded rod; 21. a threaded barrel; 22. a slider; 23. a second chute; 24. a first bevel gear; 25. a second bevel gear; 26. and (4) a water flowing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: a pressure relief valve opening and closing device comprises a valve body 1, wherein a circular water flowing groove 2 is formed in the inner wall of the valve body 1, a supporting plate 11 is movably connected to the inner wall of the valve body 1, a plurality of water flowing holes 26 are formed in the supporting plate 11, a connecting plate 10 is fixedly connected to one side of the supporting plate 11 through a supporting column, telescopic rods 8 are fixedly connected to one side of the connecting plate 10, two telescopic rods 8 are arranged, the other ends of the two telescopic rods 8 are fixedly connected with a same first baffle 3, springs 9 are arranged on the outer surfaces of the two telescopic rods 8, pressure relief can be conveniently carried out aiming at the use through the arrangement of the supporting plate 11, the springs 9, the first baffle 3, the circular water flowing groove 2 and the like, the use is convenient, a first sliding groove 17 is formed in the bottom of the inner wall of the valve body 1, a second sliding groove 23 is formed in the bottom of the first sliding groove 17, and a threaded barrel 21 is fixedly connected to the bottom of the supporting plate 11, the bottom sliding connection of screw thread section of thick bamboo 21 is provided with the sliding component in first spout 17 in the first spout 17, and one side of valve body 1 is provided with filtering component.
Specifically, the sliding assembly includes bearing 18, one side fixedly connected with bearing 18 of first spout 17, threaded rod 20 is worn to be equipped with in one side activity of bearing 18, threaded cylinder 21 threaded connection is at the surface of threaded rod 20, the bottom fixedly connected with slider 22 of threaded cylinder 21, slider 22 sliding connection is in second spout 23, threaded rod 20's other end fixedly connected with first conical gear 24, first conical gear 24 meshing is connected with second conical gear 25, through setting up first spout 17, threaded cylinder 21, threaded rod 20 and first conical gear 24, conveniently be to the not pressure release demand of equidimension, come to carry out adjusting distance to backup pad 11, the bottom fixedly connected with transmission shaft of second conical gear 25, the other end of transmission shaft passes valve body 1, and through regulating switch 19 swing joint in the bottom of valve body 1.
Specifically, one side of the valve body 1 is provided with a water inlet 5, the water inlet 5 is clamped with a filter plate 6, the arrangement of the water inlet 5 and the filter plate 6 is convenient for filtering pressure-relieved water in use, impurities are prevented from entering the pressure relief valve to cause blockage of the pressure relief valve, the use by workers is facilitated, the service life is greatly prolonged, the water inlet 5 is clamped with a water inlet pipe 7 through a sealing gasket 4, the other end of the valve body 1 is provided with a water outlet 15, the water outlet 15 is clamped with a water outlet pipe 16 through the sealing gasket 4, the arrangement of the water inlet pipe 7, the water outlet pipe 16 and the sealing gasket 4 is convenient for fixing a water pipe in use of the pressure relief valve, the use by workers is facilitated, the leakage of the water pipe is avoided, a second baffle plate 14 is arranged in the valve body 1, the top of the second baffle plate 14 is fixedly connected with a connecting rod 13, the other end of the connecting rod 13 is positioned at the top of the valve body 1 and is movably connected at the top of the valve body 1 through a control handle 12, through setting up second baffle 14, connecting rod 13 and control handle 12, make things convenient for the staff to adjust the use as required, when inlet tube 7 is revealed in the proruption, in time close, make things convenient for the staff to overhaul.
The working principle of the utility model is as follows:
at the step of S1, the method comprises the steps of, when the water pressure relief device is used, a worker clamps the water inlet pipe 7 at the water inlet 5 through the sealing gasket 4, the water outlet pipe 16 is clamped at the water outlet 15 through the sealing gasket 4, the sealing gasket 4 is convenient for sealing a joint, water is prevented from leaking in the pressure relief process, the using effect is prevented from being greatly reduced, the water inlet 5 is clamped with the filter plate 6, the filter plate 6 is convenient for filtering water entering the pressure relief valve, the situation that the pressure relief valve is blocked due to sundries in the water is avoided, the water is pressed on the first baffle plate 3 through the water inlet 5, the telescopic rod 8 is pressed to be shortened, the spring 9 is compressed, the first baffle plate 3 is pressed in the circular water flowing groove 2, water is convenient to drain, pressure relief is convenient to carry out, the water flows through the water flowing hole 26 in the supporting plate 11 and flows out through the water outlet 15, pressure relief is finished, and the spring 9 retracts to drive the first baffle plate 3 to recover after the pressure relief is finished;
s2, when being directed against different pressure release demands, the staff can be through rotating regulating switch 19, it rotates to drive second bevel gear 25 on the transmission shaft, it rotates to drive first bevel gear 24, it rotates to drive threaded rod 20, it moves on threaded rod 20 to drive threaded section of thick bamboo 21, it removes about driving backup pad 11 at valve body 1 inner wall, it removes about driving first baffle 3, it adjusts to different pressure release demands to make things convenient for, slider 22 slides in second spout 23, it is convenient to carry on spacingly to threaded section of thick bamboo 21, when proruption water pipe reveals, the staff can pass through rotation control handle 12, press close to second baffle 14 and valve body 1 inner wall, it is convenient to close valve body 1.