CN217401821U

CN217401821U - Zero-leakage high-pressure-difference regulating valve

Info

Publication number: CN217401821U
Application number: CN202221180323.XU
Authority: CN
Inventors: 汤恒
Original assignee: Hangzhou Fuyang Fu Heng Instrument Valve Co ltd
Current assignee: Hangzhou Fuyang Fu Heng Instrument Valve Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-09
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a zero leaks poor governing valve of high pressure, including valve body and choked flow subassembly, the inside middle part of valve body is connected with the partition panel, and the inside of partition panel runs through there is the valve rod subassembly, the valve rod subassembly includes valve rod and connecting plate, and the lower extreme of valve rod is connected with the connecting plate, the choked flow subassembly sets up in the lower extreme of partition panel, and the choked flow subassembly includes spoiler and influent stream mouth, the influent stream mouth has all been seted up to two walls about the spoiler, and the inside lower wall of spoiler is provided with the slip subassembly, the slip subassembly includes sliding plate and rotatory sliding block, and the upper end of sliding plate is connected with rotatory sliding block. This zero leaks high pressure differential governing valve compares with ordinary high pressure differential governing valve, cushions liquid medium through connecting plate and spoiler, slows down the velocity of flow, and the protection valve body of being convenient for is by spacing extrusion through the gasbag, can let the valve body gas tightness increase, avoids liquid leakage, detects the inside water pressure of valve body through pressure sensor, is convenient for in time adjust.

Description

Zero-leakage high-pressure-difference regulating valve

Technical Field

The utility model relates to a governing valve technical field specifically is zero and leaks high pressure difference governing valve.

Background

The high differential pressure regulating valve is composed of a valve body, a valve cover, a valve rod, a pressing sleeve and other structures, is a device for regulating medium flow, pressure and liquid level, and is widely applied to high differential pressure and high differential pressure working condition regulating systems in the industries of petroleum, chemical engineering, chemical fertilizers and the like.

The prior publication No. CN2721992Y, a patent named as "high differential pressure regulating valve", in the use, does not have the valve body medium flow and cushions for the medium velocity of flow can't reduce, and is great to the impact force of valve body, causes the valve body to damage easily, to above-mentioned condition, provides zero leakage high differential pressure regulating valve now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zero leaks high pressure differential governing valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: zero leaks high pressure difference governing valve, including valve body and choked flow subassembly, the inside middle part of valve body is connected with the partition panel, and the inside of partition panel runs through the valve rod subassembly, the valve rod subassembly includes valve rod and connecting plate, and the lower extreme of valve rod is connected with the connecting plate, the choked flow subassembly sets up in the lower extreme of partition panel, and the choked flow subassembly includes choked flow board and influent stream mouth, the influent stream mouth has all been seted up to two walls about the choked flow board, and the inside lower wall of choked flow board is provided with the slip subassembly, the slip subassembly includes sliding plate and rotatory sliding block, and the upper end of sliding plate is connected with rotatory sliding block.

Furthermore, the inside upper wall welding of valve body has the stopper, and the upper end of valve body is provided with buffering subassembly.

Furthermore, the buffering component comprises a buffering block and a first spring, and the first spring is arranged inside the buffering block.

Furthermore, the outside lower extreme of valve rod is provided with water proof ring, and the outside middle part of valve rod is connected with seal assembly.

Further, the sealing assembly comprises an extrusion block and an air bag, and the air bag is arranged outside the extrusion block.

Further, the upper end of buffer block is connected with the valve gap, and the inside of valve gap is provided with pressure measurement subassembly.

Further, the pressure detection subassembly includes increased pressure board, spring two, bearing plate and pressure sensor, the upper end of increased pressure board is connected with spring two, and the upper end of spring two is connected with the bearing plate, pressure sensor is installed to the upper end of bearing plate.

Furthermore, the connecting plate is connected with the rotating sliding block in a rotating manner, and the rotating sliding block is connected with the sliding plate in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that: the liquid medium is buffered through the connecting plate and the flow blocking plate, the flow speed is reduced, the valve body is protected conveniently, the air tightness of the valve body can be increased by limiting and extruding the air bag, liquid leakage is avoided, the water pressure in the valve body is detected through the pressure sensor, and timely adjustment is facilitated;

1. the utility model discloses a valve body, partition panel, the valve rod, the connecting plate, the spoiler, the inlet and the setting of rotatory sliding block, through setting up a partition panel in the valve body inside, the partition panel can separate water inlet and delivery port, when the valve rod shutoff part breaks away from the partition panel, drive the connecting plate and move up, can let rotatory sliding block slide on the sliding plate simultaneously, and then let the liquid that gets into in the valve body can carry out the collision once at the lower wall, again through the inlet striking carry out the secondary speed reduction on the connecting plate, then the breach through the partition panel flows out, can let the liquid medium cushion in the valve body through this setting, slow down the velocity of flow, be convenient for protect the valve body;

2. the utility model discloses a valve body, valve rod, extrusion piece, gasbag and stopper through the setting of valve body, in the ascending removal process of valve rod, drive extrusion piece upward movement, and then make the inside upper wall of valve body extrude the gasbag, let inside gasbag seal the junction of valve rod and valve body, also spacing the position of gasbag through the stopper, avoid the gasbag inflation to enlarge and reduce sealed effect, can effectually seal the equipment junction through this setting, avoid liquid leakage, avoid causing the loss;

3. the utility model discloses a valve body, the valve rod, the buffer block, spring one, pressure plate and pressure sensor's setting, top at the valve rod sets up the pressure plate, when the valve body is opened in valve rod rebound and is released, cushion stabilization effect through spring one in the buffer block, detect on the pressure sensor is transmitted through the pressure plate with the pressure that the valve rod bore again, because valve body is inside if pressure is too big, the liquid flow is untimely, cause the valve body to damage easily, so detect valve body inside through pressure sensor, be convenient for in time adjust the flow mouth, slow down pressure, extension valve body life.

Drawings

FIG. 1 is a schematic view of the front view cross section structure of the zero-leakage high-pressure-difference regulating valve of the present invention;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of the zero-leakage high-pressure-difference regulating valve of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional enlarged structure of the zero-leakage high-pressure-difference regulating valve sliding assembly of the present invention;

fig. 4 is the enlarged structure schematic diagram of B in fig. 1 of the zero-leakage high-pressure-difference regulating valve of the present invention.

In the figure: 1. a valve body; 2. a partition panel; 3. a valve stem assembly; 301. a valve stem; 302. a connecting plate; 4. a flow blocking component; 401. a spoiler; 402. a flow inlet; 5. a sliding assembly; 501. a sliding plate; 502. rotating the sliding block; 6. a seal assembly; 601. extruding the block; 602. an air bag; 7. a limiting block; 8. a water-proof ring; 9. a buffer assembly; 901. a buffer block; 902. a first spring; 10. a valve cover; 11. a pressure detection assembly; 1101. a pressurizing plate; 1102. a second spring; 1103. a pressure bearing plate; 1104. a pressure sensor.

Detailed Description

As shown in fig. 1-3, the zero-leakage high pressure difference regulating valve comprises a valve body 1 and a flow blocking assembly 4, wherein a partition plate 2 is connected to the middle inside the valve body 1, a valve rod assembly 3 penetrates through the inside of the partition plate 2, the valve rod assembly 3 comprises a valve rod 301 and a connecting plate 302, the lower end of the valve rod 301 is connected with the connecting plate 302, the flow blocking assembly 4 is arranged at the lower end of the partition plate 2, the flow blocking assembly 4 comprises a flow blocking plate 401 and a flow inlet 402, the left wall and the right wall of the flow blocking plate 401 are both provided with the flow inlet 402, the inner lower wall of the flow blocking plate 401 is provided with a sliding assembly 5, the sliding assembly 5 comprises a sliding plate 501 and a rotating sliding block 502, the upper end of the sliding plate 501 is connected with the rotating sliding block 502, the connecting plate 302 is rotatably connected with the rotating sliding block 502 and the sliding plate 501 are slidably connected, and the partition plate 2 is arranged inside the valve body 1, the partition plate 2 can separate a water inlet from a water outlet, when valve rod 301 shutoff part breaks away from partition panel 2, drive connecting plate 302 rebound, can let rotatory sliding block 502 slide on sliding plate 501 simultaneously, and then let the liquid that gets into in the valve body 1 can carry out a collision under the wall, the rethread inlet 402 striking is slowed down at the secondary on connecting plate 302, then the breach of rethread partition panel 2 flows out, can let liquid medium cushion in valve body 1 through this setting, slow down the velocity of flow, be convenient for protect the valve body.

As shown in fig. 1 and 4, a stopper 7 is welded on the inner upper wall of a valve body 1, a buffer assembly 9 is arranged at the upper end of the valve body 1, the buffer assembly 9 comprises a buffer block 901 and a first spring 902, the first spring 902 is arranged inside the buffer block 901, a bonnet 10 is connected to the upper end of the buffer block 901, a pressure detection assembly 11 is arranged inside the bonnet 10, the pressure detection assembly 11 comprises a pressure plate 1101, a second spring 1102, a pressure bearing plate 1103 and a pressure sensor 1104, the second spring 1102 is connected to the upper end of the pressure plate 1101, the pressure bearing plate 1103 is connected to the upper end of the second spring 1102, the pressure sensor 1104 is mounted to the upper end of the pressure bearing plate 1103, the pressure bearing plate 1101 is arranged at the top end of a valve rod 301, when the valve rod 301 moves upwards to open the valve body 1 for releasing, the flow is buffered and stabilized by the first spring 902 in the valve body 901, and the pressure borne by the valve rod 301 is transmitted to the pressure sensor 1104 by the pressure bearing plate 1101 for detection, because if the pressure in the valve body 1 is too large, the liquid flows untimely and the valve body 1 is easily damaged, the pressure sensor 1104 is used for detecting the interior of the valve body 1, so that the flow opening can be adjusted in time, the pressure is reduced, the service life of the valve body 1 is prolonged, the lower end of the exterior of the valve rod 301 is provided with the water-proof ring 8, the middle of the exterior of the valve rod 301 is connected with the sealing component 6, the sealing component 6 comprises the extrusion block 601 and the air bag 602, the air bag 602 is arranged outside the extrusion block 601, the extrusion block 601 is driven to move upwards in the ascending movement process of the valve rod 301, the air bag 602 is extruded by the upper wall of the interior of the valve body 1, the inner air bag is used for sealing the joint of the valve rod 301 and the valve body 1, the position of the air bag 602 is limited by the limiting block 7, the expansion and expansion of the air bag 602 are avoided, the sealing effect is reduced, and the sealing treatment can be effectively carried out on the equipment joint through the arrangement, avoid liquid leakage and avoid loss.

The working principle is as follows: when the zero-leakage high-pressure-difference regulating valve is used, firstly, a partition plate 2 is arranged in a valve body 1, the partition plate 2 can separate a water inlet and a water outlet in the valve body 1, when a plugging part of a valve rod 301 is separated from the partition plate 2, a connecting plate 302 is driven to move upwards, and a rotary sliding block 502 can slide on a sliding plate 501, so that liquid entering the valve body 1 can collide with the lower wall for the first time, then impact on the connecting plate 302 through a flow inlet 402 for the second time of speed reduction, and then flow out through a gap of the partition plate 2, so that liquid medium can be buffered in the valve body 1, the flow resistance is increased, the flow speed is reduced, the valve body is protected, in the ascending moving process of the valve rod 301, an extrusion block 601 is driven to move upwards, further, the inner upper wall of the valve body 1 extrudes an air bag 602, and an inner air bag seals the joint of the valve rod 301 and the valve body 1, also carry on spacingly through stopper 7 to the position of gasbag 602, avoid gasbag 602 inflation to enlarge and reduce sealed effect, can effectually seal the processing to the equipment junction, top at valve rod 301 sets up increased pressure plate 1101, when valve body 1 was opened to valve rod 301 rebound and the release was carried out, a 902 through spring in buffer block 901 cushions stabilizing effect, the pressure that bears valve rod 301 passes through increased pressure plate 1101 again and transmits pressure sensor 1104 to go up to detect, because valve body 1 is inside if pressure is too big, the liquid flow is untimely, cause valve body 1 to damage easily, so detect valve body 1 is inside through pressure sensor 1104, be convenient for in time adjust the mouth that flows, slow down valve body 1 internal pressure, this is exactly the theory of operation of this zero leakage high pressure difference governing valve.

Claims

1. The zero-leakage high-pressure-difference regulating valve comprises a valve body (1) and a flow blocking component (4), it is characterized in that the middle part of the interior of the valve body (1) is connected with a partition plate (2), and the inside of the partition plate (2) is penetrated with a valve rod assembly (3), the valve rod assembly (3) comprises a valve rod (301) and a connecting plate (302), the lower end of the valve rod (301) is connected with a connecting plate (302), the flow resisting assembly (4) is arranged at the lower end of the partition plate (2), and the flow blocking assembly (4) comprises a flow blocking plate (401) and a flow inlet (402), the left wall and the right wall of the spoiler (401) are both provided with a flow inlet (402), and the inside lower wall of spoiler (401) is provided with sliding assembly (5), sliding assembly (5) are including sliding plate (501) and rotatory sliding block (502), and the upper end of sliding plate (501) is connected with rotatory sliding block (502).

2. The zero-leakage high-pressure-difference regulating valve according to claim 1, characterized in that a limiting block (7) is welded on the inner upper wall of the valve body (1), and a buffer assembly (9) is arranged at the upper end of the valve body (1).

3. The zero-leakage high differential pressure regulating valve according to claim 2, wherein the buffer assembly (9) comprises a buffer block (901) and a spring I (902), and the inside of the buffer block (901) is provided with the spring I (902).

4. The zero-leakage high differential pressure regulating valve according to claim 1, characterized in that the outer lower end of the valve rod (301) is provided with a water-proof ring (8), and the outer middle part of the valve rod (301) is connected with a sealing assembly (6).

5. The zero leak, high differential pressure regulating valve according to claim 4, characterized in that the sealing assembly (6) comprises a squeeze block (601) and an air bag (602), and the air bag (602) is arranged outside the squeeze block (601).

6. The zero-leakage high-pressure-difference regulating valve according to claim 3, characterized in that a valve cover (10) is connected to the upper end of the buffer block (901), and a pressure detection assembly (11) is arranged inside the valve cover (10).

7. The zero-leakage high differential pressure regulating valve according to claim 6, wherein the pressure detecting assembly (11) comprises a pressurizing plate (1101), a second spring (1102), a pressure bearing plate (1103) and a pressure sensor (1104), the second spring (1102) is connected to the upper end of the pressurizing plate (1101), the pressure bearing plate (1103) is connected to the upper end of the second spring (1102), and the pressure sensor (1104) is mounted to the upper end of the pressure bearing plate (1103).

8. Zero-leakage high differential pressure regulating valve according to claim 1, characterized in that the connecting plate (302) is in rotational connection with the rotary sliding block (502), and the rotary sliding block (502) is in sliding connection with the sliding plate (501).