CN221034066U

CN221034066U - Hydraulic control water inlet ball valve

Info

Publication number: CN221034066U
Application number: CN202322877993.8U
Authority: CN
Inventors: 侯晋峰; 叶盛来; 林芬芳; 邱少官; 金衍海; 陈魏魏
Original assignee: Tiangong Valve Group Co ltd
Current assignee: Tiangong Valve Group Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-28
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a hydraulic control water inlet ball valve which comprises a valve cover, a valve rod, a valve body and a ball body, wherein the ball body is arranged in the valve body, the valve cover is arranged on the upper part of the valve body, the valve rod penetrates through the valve cover and is connected with the ball body in a linkage manner, the hydraulic control water inlet ball valve also comprises two groups of valve seat assemblies, first mounting grooves are respectively arranged on the inner wall of the valve body at positions corresponding to the two sides of the ball body, the valve seat assemblies comprise valve seat rings, the valve seat rings are arranged on the corresponding first mounting grooves in a sliding manner, a closed air charging cavity is formed between the valve seat rings and the first mounting grooves, an air charging channel which is communicated with the outer part of the valve body is arranged on the valve body, and the outer end of the air charging channel is connected with an air charging interface. The ball valve has the advantages that when the ball body or the valve seat is worn, the valve seat can be self-adaptively attached to the ball body under the action of external force, so that the tightness of the ball valve when the ball valve is closed is ensured, and the service life of the ball valve is prolonged.

Description

Hydraulic control water inlet ball valve

Technical Field

The utility model relates to the field of ball valves, in particular to a hydraulic control water inlet ball valve.

Background

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The ball valve is a valve with an opening and closing part (ball body) driven by a valve rod and rotating around the axis of the ball valve, and can also be used for regulating and controlling fluid.

At present, in order to have good leakproofness between ball valve spheroid and the disk seat in the market, often laminate closely, after using a period, can lead to the leakproofness inefficacy of ball valve because of the wearing and tearing of medium residual particle between spheroid and the disk seat, reduced the life of ball valve.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide the hydraulic control water inlet ball valve, which has the advantages that when a ball body or a valve seat is worn, the valve seat can be self-adaptively attached to the ball body under the action of external force, the tightness of the ball valve when the ball valve is closed is ensured, and the service life of the ball valve is prolonged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulically controlled ball valve of intaking, includes valve gap, valve rod, valve body and spheroid, the spheroid sets up in the valve body, the valve gap is installed on valve body upper portion, the valve rod runs through the valve gap and is connected with the spheroid linkage, still includes two sets of disk seat subassemblies, the position that corresponds the spheroid both sides on the valve body inner wall is equipped with first mounting groove respectively, the disk seat subassembly includes the valve seat circle, the valve seat circle slides and sets up on corresponding first mounting groove, form a confined inflating cavity between valve seat circle and the first mounting groove, be equipped with the passageway of inflating that is linked together inflating cavity and the valve body outside on the valve body, the passageway outer end of inflating is connected with the pressure interface.

Through adopting above-mentioned technical scheme, after installing the valve, with gas from filling the ware passageway and squeeze into the inflation intracavity, the valve seat circle receives the pressure of atmospheric pressure and spheroid laminating, when the disk seat wearing and tearing, the pressure of atmospheric pressure can push the valve seat circle to the spheroid to the leakproofness when having guaranteed the ball valve and closing.

The utility model is further provided with: the valve seat ring is provided with a first sealing flange at one end far away from the ball body, a sealing groove is arranged in the first mounting groove, and the first sealing flange is arranged on the sealing groove.

By adopting the technical scheme, the first sealing flange is arranged in the sealing groove, so that the inflation cavity is ensured to have good sealing performance.

The utility model is further provided with: the valve seat assembly further comprises a limiting ring, a second mounting groove is formed in a section, close to the ball body, of the first mounting groove, the limiting ring is arranged on the third mounting groove, and the edge of the limiting ring extends inwards to limit the stroke of the valve seat ring.

Through adopting above-mentioned technical scheme, prevent that the disk seat from receiving the impact force that the pressure of atmospheric pressure produced and causing the damage to the spheroid, play the guard action to the spheroid.

The utility model is further provided with: the valve seat ring is close to the spheroidal one end and is equipped with the second sealing flange, the second sealing flange supports the spheroid and the periphery of second sealing flange and spacing intra-annular sealing fit for form a pressure release chamber between spacing ring and the valve seat ring, be equipped with the off-load passageway that is linked together pressure release chamber and the valve body outside on the valve body, off-load passageway outer end is equipped with the off-load interface.

Through adopting above-mentioned technical scheme, the pressure release chamber can extrude outside with unnecessary gas, can not lead to the valve seat circle follow-up slip to receive the influence because the valve seat circle begins the gas in the slip extrusion pressure release chamber.

The utility model is further provided with: the junction of spacing ring and disk seat is equipped with first sealing washer, the junction of disk seat and valve body 3 is equipped with the second sealing washer.

By adopting the technical scheme, the tightness between the limiting ring and the valve seat and between the valve seat and the valve body is enhanced.

The utility model is further provided with: the valve body is provided with a grease injection hole, one end of the valve seat is communicated with the grease injection hole, and the other end of the valve seat is communicated with a grease injection channel of the ball body.

Through adopting above-mentioned technical scheme, lubricating grease is through annotating fat hole and living fat passageway injection sphere and the junction between the disk seat, prevents that the frictional force from being too big between ball valve and the disk seat, influences opening and close of ball valve.

The utility model is further provided with: the valve rod inner end is equipped with the counter bore, be equipped with the conductive spring in the counter bore, conductive spring one end supports tightly the valve rod, and the other end supports tightly the spheroid.

Through adopting above-mentioned technical scheme, the static electricity that spheroid and disk seat friction produced is conducted to conductive spring 25, and conductive spring conduction is on the valve rod, prevents that the static accumulation of production from bringing the potential safety hazard.

The utility model is further provided with: the valve body is characterized in that a supporting plate is arranged in the valve body corresponding to the upper end and the lower end of the ball body respectively, a shaft hole is formed in the middle of the supporting plate, a rotating shaft part matched with the shaft hole is arranged at the upper end and the lower end of the ball body, and a shaft sleeve is arranged between the inside of the shaft hole and the outer wall of the corresponding rotating shaft part.

Through adopting above-mentioned technical scheme, the backup pad lets the ball valve open and close more stably, sets up the friction force that the axle sleeve made between ball valve and the backup pad and reduces, lets the ball valve open and close more conveniently.

The utility model is further provided with: the valve body comprises a left valve body, a right valve body and a main valve body, wherein the left valve body and the right valve body are detachably connected with two ends of the main valve body through bolts respectively.

By adopting the technical scheme, the ball valve is more convenient to assemble and disassemble.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the portion of FIG. 1A;

Fig. 3 is an enlarged view of the portion of fig. 1B.

In the attached drawings, 1, a valve cover; 2. a valve stem; 3. a valve body; 4. a sphere; 5. a valve seat assembly; 6. a first mounting groove; 7. a valve seat ring; 8. an air-filling cavity; 9. an inflation channel; 10. a pressurizing interface; 11. a first sealing flange; 12. sealing grooves; 13. a limiting ring; 14. a second mounting groove; 15. a second sealing flange; 16. a pressure relief cavity; 17. an unloading channel; 18. an unloading interface; 19. a first seal ring; 20. a second seal ring; 21. injecting grease holes; 22. a fat injection interface; 23. a fat injection channel; 24. countersink; 25. a conductive spring; 26. a support plate; 27. a shaft hole; 28. a rotating shaft portion; 29. a shaft sleeve; 30. a left valve body; 31. a right valve body; 32. a main valve body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a hydraulically controlled ball valve of intaking that figures 1~3 show, includes valve gap 1, valve rod 2, valve body 3 and spheroid 4, spheroid 4 sets up in valve body 3, valve gap 1 installs in valve body 3 upper portion, valve rod 2 runs through valve gap 1 and spheroid 4 linkage and is connected, and valve rod 2 and spheroid 4 key are connected in this embodiment, still include two sets of disk seat subassembly 5, the position that corresponds spheroid 4 both sides on the valve body 3 inner wall is equipped with first mounting groove 6 respectively, disk seat subassembly 5 includes valve seat ring 7, valve seat ring 7 slides and sets up on corresponding first mounting groove 6, form a confined inflation chamber 8 between valve seat ring 7 and the first mounting groove 6, be equipped with the inflation channel 9 that is linked together with inflation chamber 8 and valve body 3 outside on the valve body 3, inflation channel 9 outer end is connected with and fills the pressure interface 10, through adopting above-mentioned technical scheme, with gas from filling ware passageway into inflation chamber 8, the pressure that seat ring 7 received the atmospheric pressure is equipped with spheroid 4 laminating, when the valve seat ring will be worn and worn out to the pressure when valve seat ring 7 will push away to seal ball valve 4 to the sealing performance when guaranteeing the valve seat ring.

As shown in fig. 1 and 2, a first sealing flange 11 is arranged at one end of the valve seat ring 7 far away from the ball body 4, a sealing groove 12 is arranged in the first mounting groove 6, the first sealing flange 11 is arranged on the sealing groove 12, and the valve seat ring 7 and the valve body 3 form an inflating cavity 8 with good sealing performance through the sealing flange.

As shown in fig. 2, the valve seat assembly 5 further includes a limiting ring 13, a section of the first mounting groove 6 near the ball 4 is provided with a second mounting groove 14, the limiting ring 13 is disposed on the second mounting groove 14, in this embodiment, the limiting ring 13 is connected with the second mounting groove 14 through bolts, the edge of the limiting ring 13 extends inwards to form a stroke limit for the valve seat ring 7, the valve seat is prevented from being damaged by impact force generated by pressure of air pressure to the ball 4, the ball 4 is protected, one end of the valve seat ring 7 near the ball 4 is provided with a second sealing flange 15, the second sealing flange 15 abuts against the ball 4, the outer circumference of the second sealing flange 15 is in sealing fit with the inner circumference of the limiting ring 13, so that a pressure relief cavity 16 is formed between the limiting ring 13 and the valve seat ring 7, a channel 17 communicating the pressure relief cavity 16 with the outside of the valve body 3 is disposed on the valve body 3, an unloading interface 18 is disposed at the outer end of the unloading channel 17, internal air is discharged through the unloading channel, and sliding of the valve seat ring 7 is not affected.

As shown in fig. 2, a first sealing ring 19 is arranged at the joint of the limiting ring 13 and the valve seat, and a second sealing ring 20 is arranged at the joint of the valve seat and the valve body 3, so that the tightness between the valve seat components 5 and the valve body 3 is enhanced.

As shown in fig. 3, the valve body 3 is provided with a grease injecting hole 21, one end of the valve seat ring 7 is provided with a grease injecting channel 23 communicated with the grease injecting hole 21, the other end of the valve seat ring is communicated with the ball body 4, the grease injecting hole 21 is communicated with the grease injecting channel 23 in the whole sliding stroke of the valve seat ring 7, and grease injecting channels 23 are arranged to be capable of adding grease at intervals during the use of the ball valve, so that excessive friction force between the ball body 4 and the valve seat ring 7 is prevented, and the opening and closing of the ball valve are influenced.

As shown in figure 1, the inner end of the valve rod 2 is provided with a counter bore 24, a conductive spring 25 is arranged in the counter bore 24, one end of the conductive spring 25 abuts against the valve rod 2, the other end abuts against the ball body 4, in the embodiment, the ball body 4 and the valve rod 2 are made of conductive materials, static electricity generated by friction between the ball body 4 and a valve seat can be conducted to the conductive spring 25, the conductive spring 25 is conducted to the valve rod 2, and potential safety hazards caused by static electricity accumulation are prevented.

As shown in fig. 1, the valve body 3 is provided with a support plate 26 at the positions corresponding to the upper and lower ends of the ball body 4, the middle of the support plate 26 is provided with a shaft hole 27, the upper and lower ends of the ball body 4 are provided with a rotating shaft portion 28 matched with the shaft hole 27, a shaft sleeve 29 is arranged between the inside of the shaft hole 27 and the outer wall of the corresponding rotating shaft portion 28, the support plate 26 enables the ball valve to be opened and closed more stably, the shaft sleeve 29 is arranged to reduce friction force between the ball valve and the support plate 26, the ball valve is opened and closed more conveniently, the valve body 3 comprises a left valve body 30, a right valve body 31 and a main valve body 32, the left valve body 30 and the right valve body 31 are detachably connected with the two ends of the main valve body 32 through bolts respectively, so that the ball valve is assembled and disassembled more conveniently, the support plate 26 is connected with the left valve body 31 and the bolts in this embodiment, the stability of the support plate 26 is increased, and the contact surface between the left valve body 31 and the main valve body 32 is provided with a sealing ring, and the whole sealing performance of the ball valve is enhanced.

Claims

1. The utility model provides a hydraulically controlled ball valve of intaking, includes valve gap (1), valve rod (2), valve body (3) and spheroid (4), spheroid (4) set up in valve body (3), valve gap (1) are installed on valve body (3) upper portion, valve rod (2) run through valve gap (1) and spheroid (4) linkage are connected, characterized by: still include two sets of disk seat subassemblies (5), the position that corresponds spheroid (4) both sides on valve body (3) inner wall is equipped with first mounting groove (6) respectively, disk seat subassembly (5) are including valve seat circle (7), valve seat circle (7) slip setting is on corresponding first mounting groove (6), form a confined chamber (8) of aerifing between valve seat circle (7) and first mounting groove (6), be equipped with on valve body (3) and aerify passageway (9) that are linked together with chamber (8) and valve body (3) outside, it is connected with pressure interface (10) to aerify passageway (9) outer end.

2. The hydraulically controlled water inlet ball valve of claim 1, wherein: one end of the valve seat ring (7) far away from the ball body (4) is provided with a first sealing flange (11), a sealing groove (12) is arranged in the first mounting groove (6), and the first sealing flange (11) is arranged on the sealing groove (12).

3. The hydraulically controlled water inlet ball valve of claim 1, wherein: the valve seat assembly (5) further comprises a limiting ring (13), a second mounting groove (14) is formed in a section, close to the ball body (4), of the first mounting groove (6), the limiting ring (13) is arranged on the second mounting groove (14), and the edge of the limiting ring (13) extends inwards to limit the stroke of the valve seat ring (7).

4. A hydraulically controlled water inlet ball valve as claimed in claim 3, wherein: the valve seat ring (7) is close to one end of the sphere (4) and is provided with a second sealing flange (15), the second sealing flange (15) abuts against the sphere (4) and the periphery of the second sealing flange (15) is in sealing fit with the inner periphery of the limiting ring (13), a pressure release cavity (16) is formed between the limiting ring (13) and the valve seat ring (7), an unloading channel (17) which is used for communicating the pressure release cavity (16) with the outside of the valve body (3) is arranged on the valve body (3), and an unloading interface (18) is arranged at the outer end of the unloading channel (17).

5. A hydraulically controlled water inlet ball valve as claimed in claim 3, wherein: the joint of the limiting ring (13) and the valve seat is provided with a first sealing ring (19), and the joint of the valve seat and the valve body (3) is provided with a second sealing ring (20).

6. The hydraulically controlled water inlet ball valve of claim 1, wherein: the valve body (3) is provided with a grease injection hole (21), the outer end of the grease injection hole (21) is provided with a grease injection interface (22), one end of the valve seat is communicated with the grease injection hole (21), and the other end of the valve seat is communicated with a grease injection channel (23) communicated with the ball body (4).

7. The hydraulically controlled water inlet ball valve of claim 1, wherein: the inner end of the valve rod (2) is provided with a counter bore (24), a conductive spring (25) is arranged in the counter bore (24), one end of the conductive spring (25) abuts against the valve rod (2), and the other end abuts against the ball body (4).

8. The hydraulically controlled water inlet ball valve of claim 1, wherein: the valve is characterized in that a supporting plate (26) is arranged in the valve body (3) at the position corresponding to the upper end and the lower end of the ball body (4), a shaft hole (27) is formed in the middle of the supporting plate (26), a rotating shaft part (28) matched with the shaft hole (27) is arranged at the upper end and the lower end of the ball body (4), and a shaft sleeve (29) is arranged between the inside of the shaft hole (27) and the outer wall of the corresponding rotating shaft part (28).

9. The hydraulically controlled water inlet ball valve of claim 1, wherein: the valve body (3) comprises a left valve body (30), a right valve body (31) and a main valve body (32), wherein the left valve body (30) and the right valve body (31) are detachably connected with two ends of the main valve body (32) through bolts respectively.