CN215487783U

CN215487783U - High-temperature high-pressure hard sealing ball valve

Info

Publication number: CN215487783U
Application number: CN202122051971.7U
Authority: CN
Inventors: 查士荣; 王成立
Original assignee: Anhui Zhongyi Valve Group Co ltd
Current assignee: Anhui Zhongyi Valve Group Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-11
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a high-temperature high-pressure hard sealing ball valve which comprises a valve body, wherein five filter screen cylinders are arranged on the inner wall of one side of the valve body, a first circular ring is arranged on one side of each filter screen cylinder, a first slide rail is arranged on the surface of the first circular ring, a fixed circular ring is arranged at the center of the first circular ring, a poking rod is connected between the fixed circular ring and the first circular ring, a slide block is arranged above the poking rod, the fixed circular ring and the first circular ring are in sliding connection in the first slide rail through the slide block, a second slide rail is arranged on the surface of the inner wall of the fixed circular ring, a bearing is arranged on the inner wall of the fixed circular ring, a ball is arranged outside the bearing, and the ball slides in the second slide rail. According to the utility model, the filter screen cylinder is arranged in the valve body, and the filter screen cylinder can select the combination of the corresponding filter layers according to different use environments, so that the valve body has diversified functions and also plays a role in multi-stage filtration.

Description

High-temperature high-pressure hard sealing ball valve

Technical Field

The utility model relates to the technical field of high-temperature and high-pressure sealing ball valves, in particular to a high-temperature and high-pressure hard sealing ball valve.

Background

With the rapid development of social economy, the ball valve (ball valve) and the opening and closing piece (ball body) are driven by the valve rod and rotate around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels.

However, the filter screen in the existing high-temperature high-pressure hard sealing ball valve has a single structure and is not strong in adaptability to different use environments; therefore, the existing requirements are not met, and a high-temperature high-pressure hard sealing ball valve is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature high-pressure hard sealing ball valve, which solves the problems that the filter screen in the existing high-temperature high-pressure hard sealing ball valve proposed in the background technology has a single structure and does not have diversity.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-temperature high-pressure hard sealing ball valve comprises a valve body, wherein five filter screen cylinders are arranged on the inner wall of one side of the valve body, a first circular ring is arranged on one side of each filter screen cylinder, a first slide rail is arranged on the surface of the first circular ring, a fixed circular ring is arranged at the center of the first circular ring, a poking rod is connected between the fixed circular ring and the first circular ring, a sliding block is arranged above the poking rod, the fixed circular ring and the first circular ring are in sliding connection in the first slide rail through the sliding block, a second slide rail is arranged on the surface of the inner wall of the fixed circular ring, a bearing is arranged on the inner wall of the fixed circular ring, a ball is arranged outside the bearing and slides in the second slide rail, a sealing gasket is arranged on the outer ring of the sliding block, a second circular ring is arranged on the other side of each filter screen cylinder, a sealing groove is arranged on the surface of the second circular ring, and the sealing gasket is clamped into the inner side of the sealing groove, one side of first ring is equipped with the stopper that is located valve body inner wall both sides, opposite side one side of first ring is equipped with the hollow thread sleeve that is located the valve body inner wall, the both sides of hollow thread sleeve surface all are equipped with the external screw thread, the telescopic preceding terminal surface of hollow thread is equipped with the handle, the telescopic bottom of hollow thread is equipped with the rubber cushion, the both sides of terminal surface are equipped with the internal thread before the valve body inner wall.

Preferably, a valve rod is arranged above the valve body, and a handle is arranged on one side of the valve rod.

Preferably, flange joints are arranged on two sides of the valve body and fixed through bolts.

Preferably, the number of the poking rods is three, and the three poking rods are distributed in a herringbone mode.

Preferably, the five filter screen cylinders are specifically a stainless steel filter screen, an activated carbon filter screen, a polypropylene melt-blown filter screen, an ultrafiltration membrane and a rear activated carbon filter screen from left to right.

Preferably, the sliding track of the three sliding blocks in the first sliding rail is circular motion.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model achieves the effect of multi-stage filtration by installing filter screen cylinders with different filtration levels on the inner wall of the valve body according to the requirements of different scenes, the flange joints at the two sides of the valve body are taken down to plug the filter screen cylinders into the valve body, the filter screen cylinders are clamped into the inner side of the sealing groove on the surface of the second ring through the sealing gasket on the surface of the first ring to play the role of sealing and fixing, the two sides of the bottom end of the inner wall of the valve body are limited and blocked by the limiting blocks, the two sides of the front end surface of the valve body are provided with internal threads, the hollow threaded sleeve is screwed into the valve body through the handle, the external threads at the two sides of the hollow threaded sleeve are rotationally clamped and fixed through matching with the internal threads, the depth of the rotationally clamped hollow threaded sleeve is determined according to the number of the filter screen cylinders in the valve body, the clamped depth can just push against and fix the filter screen cylinders in the valve body, the hollow threaded sleeve is also in a circular ring shape, and the bottom end of the hollow threaded sleeve is provided with a rubber cushion, when the ring surface of one side of the filter screen cylinder is a sealing groove, the rubber cushion can be directly clamped into the sealing groove for fixation, when the ring surface of one side of the filter screen cylinder is a sealing gasket, the rubber cushion and the sealing gasket can be mutually supported and fixed by being stressed and compressed, when the external thread and the internal thread are rotationally fixed, no gap exists between the rubber cushion and the sealing gasket, water can flow out, the hollow threaded sleeve is of a hollow structure, the water flow is not influenced, the filter screen cylinder is simultaneously fixed in the valve body by the hollow threaded sleeve, when the filter screen cylinder is taken out, the filter screen cylinder can be taken out only by rotationally taking out the hollow threaded sleeve, the sealing gasket can be pulled out from the sealing groove, the combination of the corresponding filter layers can be selected according to different use environments, the hollow threaded sleeve is screwed in and pressed tightly along the thread, and the function diversification of the valve body also plays a role in multi-stage filtration;

2. according to the utility model, the first ring and the second ring are arranged on two sides of the filter screen cylinder, the fixed ring is arranged between the first ring and the second ring, the first ring and the second ring are connected with the fixed ring through the poking rod and the sliding block on one side of the poking rod, the bearing is arranged in the middle of the fixed ring, when the water flow is met, the sliding block moves circularly in the first sliding rail on the surface of the ring under the action of impact force, and the fixed ring and the bearing also move in the second sliding rail under the drive of the balls, so that the more uniform stirring and filtering effects are achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the internal structure of the whole body of the present invention;

FIG. 3 is a schematic view of a partial structure of a strainer cartridge ring according to the present invention;

FIG. 4 is a schematic view of a first ring structure of a filter cartridge according to the present invention;

FIG. 5 is a schematic view of a second ring structure of a filter cartridge according to the present invention;

fig. 6 is a schematic structural view of the hollow threaded sleeve of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a flange joint; 4. a bolt; 5. a handle; 6. an internal thread; 7. an external thread; 8. a hollow threaded sleeve; 9. a screen cylinder; 10. a limiting block; 11. a first circular ring; 12. a first slide rail; 13. a slider; 14. a poke rod; 15. fixing the circular ring; 16. a bearing; 17. a second slide rail; 18. a ball bearing; 19. a second circular ring; 20. a gasket; 21. a sealing groove; 22. a grip; 23. a rubber cushion.

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.

Referring to fig. 1 to 6, an embodiment of the present invention includes: a high-temperature high-pressure hard sealing ball valve comprises a valve body 1, five filter screen cylinders 9 are arranged on the inner wall of one side of the valve body 1, a first circular ring 11 is arranged on one side of each filter screen cylinder 9, a first slide rail 12 is arranged on the surface of the first circular ring 11, a fixed circular ring 15 is arranged at the center of the first circular ring 11, a poking rod 14 is connected between the fixed circular ring 15 and the first circular ring 11, a sliding block 13 is arranged above the poking rod 14, the fixed circular ring 15 and the first circular ring 11 are in sliding connection in the first slide rail 12 through the sliding block 13, a second slide rail 17 is arranged on the surface of the inner wall of the fixed circular ring 15, a bearing 16 is arranged on the inner wall of the fixed circular ring 15, balls 18 are arranged outside the bearing 16, the balls 18 slide in the second slide rail 17, a sealing gasket 20 is arranged on the outer ring of the sliding block 13, a second circular ring 19 is arranged on the other side of the filter screen cylinder 9, a sealing groove 21 is arranged on the surface of the second circular ring 19, and the sealing gasket 20 is clamped in the inner side of the sealing groove 21, one side of first ring 11 is equipped with the stopper 10 that is located 1 inner wall both sides of valve body, and one side of the first ring 11 of opposite side is equipped with the hollow thread sleeve 8 that is located 1 inner wall of valve body, and the both sides of the 8 surfaces of hollow thread sleeve all are equipped with external screw thread 7, and the preceding terminal surface of hollow thread sleeve 8 is equipped with handle 22, and the bottom of hollow thread sleeve 8 is equipped with rubber cushion 23, and the both sides of terminal surface are equipped with internal thread 6 before the 1 inner wall of valve body.

Further, a valve rod 2 is arranged above the valve body 1, and a handle 5 is arranged on one side of the valve rod 2 to control the opening and closing of the valve.

Further, the both sides of valve body 1 all are equipped with flange joint 3, and flange joint 3 passes through bolt 4 to be fixed.

Further, there are three poker bars 14, and three poker bars 14 are the chevron shape and distribute, play the effect of stirring rivers.

Furthermore, five filter screen cylinders 9 are specifically a stainless steel filter screen, an activated carbon filter screen, a polypropylene melt-blown filter screen, an ultrafiltration membrane and a rear activated carbon filter screen from left to right, so that internal impurities can be better filtered.

Further, there are three sliding blocks 13, and the sliding tracks of the three sliding blocks 13 in the first sliding rail 12 are circular motion.

The working principle is as follows: when the multi-stage filter is used, the filter cylinders 9 with different filter levels are installed on the inner wall of the valve body according to the requirements of different scenes to achieve the effect of multi-stage filtration, the flange joints 3 on the two sides of the valve body 1 are taken down to plug the filter cylinders 9 into the valve body 1, the filter cylinders 9 are clamped into the inner sides of the sealing grooves 21 on the surface of the second ring 19 through the sealing gaskets 20 on the surface of the first ring 11 to play a role in sealing and fixing, the filter cylinders 9 are limited and blocked by the limiting blocks 10 on the two sides of the bottom end of the inner wall of the valve body 1, the internal threads 6 are arranged on the two sides of the front end surface of the valve body 1, the hollow threaded sleeve 8 is screwed into the valve body 1 through the handle 22, the external threads 7 on the two sides of the hollow threaded sleeve 8 are clamped and fixed in a rotating mode through matching with the internal threads 6, the rotary clamping depth of the hollow threaded sleeve 8 is determined according to the number of the filter cylinders 9 inside the valve body 1, and the clamped depth can just abut against and fix the filter cylinders 9 inside, the hollow threaded sleeve 8 is also in a circular ring shape, the bottom end of the hollow threaded sleeve 8 is provided with the rubber cushion 23, when the circular ring surface at one side of the filter screen cylinder 9 is the sealing groove 21, the rubber cushion 23 can be directly clamped into the sealing groove 21 for fixation, when the circular ring surface at one side of the filter screen cylinder 9 is the sealing gasket 20, the rubber cushion 23 and the sealing gasket 20 can be stressed and compressed, the rubber cushion 23 and the sealing gasket 20 can be mutually supported and fixed, when the external thread 7 and the internal thread 6 are rotationally fixed, no gap exists between the two parts for water flow to flow out, because the hollow threaded sleeve 8 is in a hollow structure, the flow of water is not influenced, the hollow threaded sleeve 8 simultaneously fixes the filter screen cylinder 9 in the valve body 1, when the hollow threaded sleeve 8 is taken down, the filter screen cylinder 9 can be taken out only by rotating the hollow threaded sleeve 8 to be taken out, the sealing gasket 20 can be also pulled out from the sealing groove 21, the flow of a water source can be opened or closed by rotating the handle 5, the filter screen cylinder 9 is provided with a first ring 11 and a second ring 19 on two sides, a fixed ring 15 is arranged between the first ring 11 and the second ring 19, the first ring 11 and the second ring 19 are connected with the fixed ring 15 through a poke rod 14 and a slide block 13 on one side of the poke rod 14, a bearing is arranged in the middle of the fixed ring 15, the slide block 13 moves circularly in a first slide rail 12 on the surface of the first ring 11 under the action of impact force when encountering water flow, the fixed ring 15 and the bearing 16 also move in a second slide rail 17 under the drive of a ball 18 to play a role in stirring and filtering more uniformly, the combination of the filter layers of the corresponding filter screen cylinder 9 can be selected according to different use environments, and then the hollow threaded sleeve 8 is screwed and compressed tightly along threads, so that the function diversification of the valve body also plays a role in multistage filtering.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high temperature high pressure ball valve sealed firmly, includes valve body (1), its characterized in that: the inner wall of one side of the valve body (1) is provided with five filter screen cylinders (9), one side of each filter screen cylinder (9) is provided with a first circular ring (11), the surface of each first circular ring (11) is provided with a first sliding rail (12), the center of each first circular ring (11) is provided with a fixed circular ring (15), the middle of each fixed circular ring (15) and the corresponding first circular ring (11) is connected with a poking rod (14), a sliding block (13) is arranged above each poking rod (14), each fixed circular ring (15) and each first circular ring (11) are in sliding connection in the corresponding first sliding rail (12) through the corresponding sliding block (13), the surface of the inner wall of each fixed circular ring (15) is provided with a second sliding rail (17), the inner wall of each fixed circular ring (15) is provided with a bearing (16), the outside of each bearing (16) is provided with a ball (18), and each ball (18) slides in the corresponding second sliding rail (17), the outer lane of slider (13) is equipped with sealed pad (20), the opposite side of filter screen section of thick bamboo (9) is equipped with second ring (19), the surface of second ring (19) is equipped with seal groove (21), sealed pad (20) card is gone into the inboard of seal groove (21), one side of first ring (11) is equipped with stopper (10) that are located valve body (1) inner wall both sides, the opposite side one side of first ring (11) is equipped with cavity threaded sleeve (8) that are located valve body (1) inner wall, the both sides of cavity threaded sleeve (8) surface all are equipped with external screw thread (7), the preceding terminal surface of cavity threaded sleeve (8) is equipped with handle (22), the bottom of cavity threaded sleeve (8) is equipped with rubber cushion (23), the both sides of terminal surface are equipped with internal thread (6) before valve body (1) inner wall.

2. A high temperature and high pressure hard seal ball valve according to claim 1, wherein: a valve rod (2) is arranged above the valve body (1), and a handle (5) is arranged on one side of the valve rod (2).

3. A high temperature and high pressure hard seal ball valve according to claim 1, wherein: both sides of the valve body (1) are provided with flange joints (3), and the flange joints (3) are fixed through bolts (4).

4. A high temperature and high pressure hard seal ball valve according to claim 1, wherein: the number of the poking rods (14) is three, and the three poking rods (14) are distributed in a herringbone shape.

5. A high temperature and high pressure hard seal ball valve according to claim 1, wherein: the five filter screen cylinders (9) are specifically a stainless steel filter screen, an active carbon filter screen, a polypropylene melt-blown filter screen, an ultrafiltration membrane and a rear active carbon filter screen from left to right.

6. A high temperature and high pressure hard seal ball valve according to claim 1, wherein: the number of the sliding blocks (13) is three, and the sliding tracks of the three sliding blocks (13) in the first sliding rail (12) move in a circular shape.