CN216643154U

CN216643154U - Three-section controlled bidirectional control ball valve

Info

Publication number: CN216643154U
Application number: CN202220138027.7U
Authority: CN
Inventors: 穆莉; 先夏昱; 赵晓刚
Original assignee: Chongqing Jinqiu High Pressure Valve Co ltd
Current assignee: Chongqing Jinqiu High Pressure Valve Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-05-31
Anticipated expiration: 2032-01-19

Abstract

The utility model provides a three-section controlled two-way control ball valve, which relates to the technical field of three-section ball valves and comprises a middle valve body, wherein an O-shaped valve core is movably arranged in the middle valve body, a left valve body and a right valve body are respectively and fixedly arranged at two ends of the middle valve body, a sealing mechanism is arranged between the middle valve body and the left valve body as well as between the middle valve body and the right valve body, the sealing mechanism comprises a valve seat, and the valve seat is movably attached to the outer surface of the O-shaped valve core in a tight manner, so that a gap can be prevented from being generated under the long-time use condition by the fact that the valve seat in the sealing mechanism is attached to the outer surface of the O-shaped valve core, the sealing ring has sealing property, the gap can be effectively prevented from being generated under the double sealing condition, the problem of the integral sealing is prevented, and the valve body can not be normally used, the three-section ball valve with good sealing performance and simple structure is provided.

Description

Three-section controlled bidirectional control ball valve

Technical Field

The utility model relates to the technical field of three-section ball valves, in particular to a three-section controlled bidirectional control ball valve.

Background

The ball valve is a valve with a ball body driven by an actuating part and rotating around the axis of a valve rod, such as a ball valve with the application number of CN201320668845.9, in particular to a three-section type combined ball valve. The specific technical scheme is as follows: the utility model provides a syllogic combination ball valve, which comprises a valve body, the valve gap, the spheroid, valve rod and actuating mechanism, the valve body is including the valve body and locate valve body axial both ends and be the valve body lid of dismantling the connection with the valve body, the spheroid is in the valve body originally internally, the valve rod sees through the valve gap extend to the valve body originally internally and be connected with the spheroid linkage, the valve rod is connected with the actuating mechanism linkage for the other end of being connected one end with the spheroid, be equipped with the disk seat between valve body lid and the spheroid, be equipped with the grafting chamber that supplies the valve rod to peg graft on the spheroid, the valve rod is connected with the spheroid linkage through this grafting chamber, be equipped with fine motion adjusting part between valve rod and the spheroid, be equipped with a plurality of lubricated clearances between valve rod and the valve gap, be equipped with on the valve rod and can towards the lubricated clearance of annotating of pouring into emollient in the fat valve. Adopt above-mentioned technical scheme, provide a good, the simple structure's of leakproofness syllogic combination ball valve.

However, according to the technical scheme, after the ball body and the valve seat are rubbed for a long time, a gap is generated between the ball body and the valve seat, so that the whole sealing is in a problem, and the valve body cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a three-section type controlled bidirectional control ball valve which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a two-way control ball valve of syllogic control, includes well valve body, the inside movable mounting of well valve body has O shape case, the both ends of well valve body respectively fixed mounting have left valve body and right valve body, internally mounted has sealing mechanism between well valve body and left valve body, the right valve body, sealing mechanism includes the disk seat, the surface at O shape case is pasted closely in the disk seat activity, the through-hole of intercommunication is seted up to the inside of right valve body, left valve body and O shape case.

Preferably, the middle valve body is connected with the inner parts of the outer ends of the left valve body and the right valve body through stud bolts, and one ends of the stud bolts are movably clamped inside two sides of the middle valve body.

Preferably, the other ends of the two stud bolts respectively and movably penetrate through the left valve body and the right valve body, and nuts are movably clamped at one ends of the stud bolts penetrating through the left valve body and the right valve body.

Preferably, a sealing ring is mounted on the outer surface of one end of the valve seat, and the outer surface of the sealing ring is tightly attached to the outer surface of the valve seat and the inner surfaces of the left valve body and the right valve body.

Preferably, the upper end of the outer surface of the O-shaped valve core is fixedly connected with an upper valve body, one end of the upper valve body movably penetrates through a high platform and is fixedly provided with a handle, and the high platform is fixedly arranged at the upper end of the outer surface of the middle valve body.

Preferably, a shaft sleeve is movably clamped between the upper valve body and the high platform, filler is movably clamped right above the shaft sleeve, and a filler gland is clamped right above the filler.

Preferably, the lower valve rod is movably mounted in the lower end of the outer surface of the O-shaped valve core, and one end of the lower valve rod penetrates through the middle valve body and is fixedly provided with the choke plug.

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

(1) according to the utility model, the valve seat in the sealing mechanism is tightly attached to the outer surface of the O-shaped valve core, so that a gap can be prevented from occurring in long-time use, the sealing ring has high elasticity and can be still tightly attached to the outer surface of the O-shaped valve core under the condition that the valve seat is abraded, the sealing ring also has sealing property, and under double sealing, a gap can be effectively prevented, the problem of integral sealing is prevented, the valve body can not be normally used, and the three-section ball valve with good sealing property and simple structure is provided.

(2) The right valve body and the left valve body which are fixedly arranged by the stud bolt and the nut can be prevented from being separated when in use, so that the whole equipment is prevented from leaking, the lower valve rod is movably arranged at the lower end of the outer surface of the O-shaped valve core, so that the O-shaped valve core can be prevented from deviating when in use, and the lower valve rod can be sealed by being matched with the choke plug, so that the leakage is prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the front side of a three-stage controlled two-way control ball valve according to the present invention;

FIG. 2 is a schematic top view of a three-section controlled two-way ball valve according to the present invention;

FIG. 3 is a schematic side view of a three-stage controlled two-way ball valve according to the present invention;

fig. 4 is a schematic structural view of a section a-a in fig. 3 of a three-section type controlled bidirectional control ball valve according to the present invention.

In the figure: 1. a handle; 2. an upper valve body; 3. a left valve body; 4. a stud bolt; 5. a nut; 6. a high platform; 7. a middle valve body; 8. a right valve body; 9. a through hole; 10. choke plug; 11. a sealing mechanism; 1101. a valve seat; 1102. a seal ring; 12. a packing gland; 13. a filler; 14. a shaft sleeve; 15. a lower valve stem; 16. an O-shaped valve core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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

As shown in fig. 1 to 4, a three-section controlled bidirectional control ball valve comprises a middle valve body 7, an O-shaped valve core 16 is movably mounted inside the middle valve body 7, a left valve body 3 and a right valve body 8 are respectively and fixedly mounted at two ends of the middle valve body 7, a sealing mechanism 11 is mounted inside the middle valve body 7, the left valve body 3 and the right valve body 8, the sealing mechanism 11 comprises a valve seat 1101, the valve seat 1101 is movably attached to the outer surface of the O-shaped valve core 16, and communicated through holes 9 are formed inside the right valve body 8, the left valve body 3 and the O-shaped valve core 16.

It can be understood that in this application, well valve body 7 is connected through stud 4 with the outer end of left valve body 3, right valve body 8 is inside, the one end activity chucking of stud 4 is inside the both sides of well valve body 7, connects wherein stud 4 can provide spacingly when using through well valve body 7 and left valve body 3, the outer end of right valve body 8 is inside through stud 4, prevents to appear the deviation when assembling.

It can be understood that, in this application, two left valve body 3 and right valve body 8 are passed in the other end difference activity of stud 4, just stud 4 passes left valve body 3 and the movable chucking of the one end of right valve body 8 has nut 5, and right valve body 8, left valve body 3 through 5 fixed mounting of stud 4 cooperation nut can prevent to appear breaking away from when using, lead to the whole leakage that appears of equipment.

It can be understood that, in this application, sealing washer 1102 is installed to the one end surface of valve seat 1101, the surface of sealing washer 1102 hugs closely at the surface of valve seat 1101 and the internal surface of left valve body 3, right valve body 8, hug closely the surface at the O-shaped case 16 through valve seat 1101, can prevent to appear the gap under long-time use, and the elasticity that sealing washer 1102 is rich can still hug closely at the surface of O-shaped case 16 under the condition that the valve seat 1101 is worn and torn, and sealing washer 1102 also possesses the leakproofness, under double sealing, can effectually prevent the clearance, prevent that holistic sealed problem from appearing, prevent the unable normal use of valve body, provide the good leakproofness, simple structure's three-stage ball valve.

It can be understood that, in this application, valve body 2 on the outer surface upper end fixedly connected with of O shape case 16, the one end activity of going up valve body 2 is passed high platform 6 fixed mounting and is had handle 1, high platform 6 fixed mounting is in the outer surface upper end of well valve body 7, and the one end activity of passing through last valve body 2 is passed high platform 6 fixed mounting and is had handle 1 and can drive O shape case 16 and rotate under the condition of turning handle.

It can be understood that in this application, it has axle sleeve 14 to go up the chucking of moving between valve body 2 and the high platform 6, the chucking of moving directly over axle sleeve 14 has packing 13, the chucking of moving directly over packing 13 has gland 12, has axle sleeve 14 through the chucking of moving between last valve body 2 and the high platform 6 and can provide the revolving force for it when using, prevents to appear blocking.

It can be understood that, in this application, the lower valve rod 15 is movably installed inside the lower end of the outer surface of the O-shaped valve core 16, one end of the lower valve rod 15 penetrates through the middle valve body 7 and is fixedly installed with the bulkhead 10, the lower valve rod 15 is movably installed at the lower end of the outer surface of the O-shaped valve core 16, so that the O-shaped valve core 16 can be prevented from deviating in use, and the lower valve rod 15 can be sealed by matching with the bulkhead 10, so that leakage is prevented.

The working principle of the three-section control bidirectional control ball valve is as follows:

when the sealing mechanism is used, firstly, the valve seat 1101 in the sealing mechanism 11 is tightly attached to the outer surface of the O-shaped valve core 16, so that a gap can be prevented from occurring in long-time use, the rich elasticity of the sealing ring 1102 can be still tightly attached to the outer surface of the O-shaped valve core 16 under the condition that the valve seat 1101 is abraded, the sealing ring 1102 also has sealing performance, and under the condition of double sealing, a gap can be effectively prevented, the problem of integral sealing is prevented, and the valve body can not be normally used.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two-way control ball valve of syllogic control, includes well valve body (7), its characterized in that: the improved valve is characterized in that an O-shaped valve core (16) is movably mounted inside the middle valve body (7), a left valve body (3) and a right valve body (8) are fixedly mounted at two ends of the middle valve body (7) respectively, a sealing mechanism (11) is mounted between the middle valve body (7) and the left valve body (3) and between the middle valve body (7) and the right valve body (8) respectively, the sealing mechanism (11) comprises a valve seat (1101), the valve seat (1101) is movably attached to the outer surface of the O-shaped valve core (16), and communicated through holes (9) are formed inside the right valve body (8), the left valve body (3) and the O-shaped valve core (16).

2. The bi-directional control ball valve of claim 1, wherein: well valve body (7) are connected through stud (4) with the outer end inside of left valve body (3), right valve body (8), the one end activity chucking of stud (4) is inside the both sides of well valve body (7).

3. The three-section controlled two-way control ball valve according to claim 2, characterized in that: two the other end of stud (4) is the activity respectively and is passed left valve body (3) and right valve body (8), just stud (4) pass the one end activity chucking of left valve body (3) and right valve body (8) and have nut (5).

4. The bi-directional control ball valve of claim 1, wherein: and a sealing ring (1102) is arranged on the outer surface of one end of the valve seat (1101), and the outer surface of the sealing ring (1102) is tightly attached to the outer surface of the valve seat (1101) and the inner surfaces of the left valve body (3) and the right valve body (8).

5. The bi-directional control ball valve of claim 1, wherein: the valve is characterized in that an upper valve body (2) is fixedly connected to the upper end of the outer surface of the O-shaped valve core (16), a handle (1) is fixedly mounted at one end of the upper valve body (2) in a movable mode, penetrates through the high platform (6), and is fixedly mounted at the upper end of the outer surface of the middle valve body (7).

6. The three-section controlled two-way control ball valve according to claim 5, characterized in that: a shaft sleeve (14) is movably clamped between the upper valve body (2) and the high platform (6), a packing (13) is movably clamped right above the shaft sleeve (14), and a packing gland (12) is clamped right above the packing (13).

7. The bi-directional control ball valve of claim 1, wherein: the lower valve rod (15) is movably mounted inside the lower end of the outer surface of the O-shaped valve core (16), and one end of the lower valve rod (15) penetrates through the middle valve body (7) and is fixedly provided with a choke plug (10).