CN219975436U

CN219975436U - Gas ball valve

Info

Publication number: CN219975436U
Application number: CN202321029999.3U
Authority: CN
Inventors: 曾建森
Original assignee: Sichuan Yibailin New Energy Co ltd
Current assignee: Sichuan Yibailin New Energy Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-07
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a gas ball valve, which belongs to the technical field of ball valve equipment and comprises a valve body and an installation pipe, wherein a rotating rod is movably installed in the valve body, a valve core is fixedly installed on the outer side of the rotating rod and positioned in the valve body, a sealing stabilizing structure is arranged in the valve body, a self-locking structure is arranged at the bottom of the valve body, and the sealing stabilizing structure comprises a sealing ring, a sealing sleeve, a sealing gasket, an upper sealing block and a lower sealing block. The sealing structure has the beneficial effects that the sealing structure is arranged, when the gas ball valve is used, the sealing sleeve is used, and then the inner space of the valve body is isolated from a gap between the valve body and the rotating rod, so that gas is prevented from leaking from the valve body and the rotating rod, and meanwhile, the sealing gasket is used for sealing again, so that the sealing effect of the gas ball valve is better, and the sealing sleeve is clamped with the outer side surface of the valve core and the sealing ring enables the valve core to rotate more stably.

Description

Gas ball valve

Technical Field

The utility model relates to the technical field of ball valve equipment, in particular to a gas ball valve.

Background

The fuel gas is a generic term for gas fuel, which can burn and give off heat for residents and industrial enterprises. The gas is of various kinds, mainly natural gas, artificial gas, liquefied petroleum gas, marsh gas, coal gas, ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels. The valve should be installed generally horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves and manual ball valves are often needed to control when fuel gas circulates in a fuel gas pipe.

The existing gas ball valve often has gaps at the installation position of a rotating rod of a valve body after long-time use, and the sealing rubber strip of the existing gas ball valve often has ageing phenomenon after long-time use, so that gas leakage is easy to cause, even fire disaster is easy to cause serious consequences.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a gas ball valve which is provided with a sealing stable structure and is used for solving the problems that a gap is often generated at the installation position of a rotating rod of a valve body, and a sealing rubber strip of the gas ball valve is often aged after being used for a long time, so that gas leakage is easy to occur, even fire is easy to occur, and serious consequences are easy to cause.

The technical scheme of the utility model is as follows: the utility model provides a gas ball valve, includes valve body and mounting tube, the inside movable mounting of valve body has the dwang, the outside fixed mounting of dwang has the case, and is located the inside of valve body, the inside of valve body is equipped with sealed stable structure, the bottom of valve body is equipped with the auto-lock structure, sealed stable structure includes sealing ring, seal cover, sealed pad, goes up sealing piece and lower sealing piece, on sealing ring fixed mounting valve body inside wall, the inside wall and the sealed pad fixed connection of sealing ring are in the same place, the opposite side and the case swing joint of sealed pad, one side fixed mounting of seal cover is inside the valve body, the opposite side movable embedded setting of seal cover is inside the case, go up sealing piece and lower sealing piece fixed setting respectively inside the upper and lower side of valve body, the inside movable mounting of valve body has the dwang, dwang and last sealing piece swing joint.

Further, both ends of the valve body are movably sleeved with the mounting pipe respectively, a sealing ring is arranged at the joint, a threaded sleeve is movably sleeved at the outer side of the joint of the mounting pipe and the valve body, a baffle is fixedly arranged at the surface of the outer side of both ends of the valve body, a mounting flange is fixedly arranged at the other end of the mounting pipe, and a bolt hole is formed in the inner edge of the mounting flange.

Further, one end of the thread bush is movably contacted with the baffle, a mounting bolt is movably mounted in the baffle, and the mounting bolt extends to the inside of the thread bush.

Further, the outer side surface of the rotating rod is fixedly provided with a reinforcing rod, and the other end of the reinforcing rod is fixedly connected with the inner side surface of the valve core.

Further, the self-locking structure comprises a thread cylinder, a spring and a rotating block, wherein the thread cylinder is arranged at the bottom of the rotating rod in a threaded mode, the rotating block is fixedly arranged at the bottom of the thread cylinder and extends to the lower side of the lower sealing block, and the spring is movably sleeved on the outer side of the rotating block and located in the lower sealing block.

Further, the upper sealing block is fixedly provided with a limiting plate, and the outer side surface of the rotating rod is fixedly provided with a rotating plate.

Further, a top block is fixedly arranged at the top end of the rotating rod, a connecting rod is fixedly arranged on the outer side surface of the top block, and a rotating ring is fixedly arranged at the other end of the connecting rod.

The utility model provides a gas ball valve through improvement, and compared with the prior art, the gas ball valve has the following improvements and advantages:

firstly, through establishing sealed stable structure, the gas ball valve is when using, and then the inner space of valve body and the gap department between valve body and the dwang are isolated, thereby prevent that gas from leaking from between valve body and the dwang, utilize sealed pad to seal once more simultaneously, make the sealed effect of gas ball valve better, and seal cover and the outside surface joint of case and sealing ring make the rotation of case more stable, the case is difficult for appearing becoming flexible after long-time use, and then make the use of gas ball valve more stable, life is longer.

Secondly, through being equipped with the auto-lock structure, after the setting of gas ball valve is accomplished, rotatable commentaries on classics piece makes screw thread section of thick bamboo and dwang threaded connection, and one side joint of screw thread section of thick bamboo and lower sealing block simultaneously, and then can prevent that the dwang from rotating because of external factor mistake to change the work of gas ball valve, make the result of use of gas ball valve better, make the circulation of gas and close more stable.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic front view of the present utility model;

FIG. 4 is a schematic top view of the upper seal block of the present utility model;

FIG. 5 is an enlarged schematic view of FIG. 2A in accordance with the present utility model;

reference numerals illustrate: 1. a valve body; 2. installing a pipe; 3. a mounting flange; 4. bolt holes; 5. a thread sleeve; 6. a baffle; 7. installing a bolt; 8. a seal ring; 9. a reinforcing rod; 10. a rotating ring; 11. a rotating plate; 12. a top block; 13. an upper sealing block; 14. a sealing gasket; 15. a rotating lever; 16. a valve core; 17. a seal ring; 18. sealing sleeve; 19. a thread cylinder; 20. a rotating block; 21. a lower sealing block; 22. and (3) a spring.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 5, and it is obvious that the described embodiments 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 gas ball valve through improvement, as shown in figures 1-5, the gas ball valve comprises a valve body 1 and a mounting pipe 2, a rotating rod 15 is movably mounted in the valve body 1, a valve core 16 is fixedly mounted on the outer side of the rotating rod 15 and is positioned in the valve body 1, a seal stabilizing structure is arranged in the valve body 1, a self-locking structure is arranged at the bottom of the valve body 1, the seal stabilizing structure comprises a sealing ring 17, a sealing sleeve 18, a sealing gasket 14, an upper sealing block 13 and a lower sealing block 21, the sealing ring 17 is fixedly mounted on the inner side wall of the valve body 1, the inner side wall of the sealing ring 17 is fixedly connected with the sealing gasket 14, the other side of the sealing gasket 14 is movably connected with a valve core 16, one side of the sealing sleeve 18 is fixedly mounted in the valve body 1, the other side of the sealing sleeve 18 is movably embedded in the valve core 16, the upper sealing block 13 and the lower sealing block 21 are respectively fixedly arranged in the upper side and lower side of the valve body 1, the rotating rod 15 is movably mounted in the valve body 1, and the sealing sleeve 15 is movably connected with the upper sealing block 13 and the lower sealing block 21.

The both ends of valve body 1 are respectively with installation pipe 2 activity cup joints, and the junction is equipped with sealing washer 8, make the leakproofness between installation pipe 2 and the valve body 1 stronger, the outside activity of the external slot junction of installation pipe 2 and valve body 1 cup joints thread bush 5, adopt split type installation, make the installation environment adaptability of gas ball valve higher, prevent to appear the gap between installation pipe 2 and the valve body 1, the both ends outside fixed surface of valve body 1 installs baffle 6, the other end fixed mounting of installation pipe 2 has mounting flange 3, the accessible bolt is with stable installation between mounting flange 3 and the gas pipe, the inside edge department of mounting flange 3 is opened there is bolt hole 4, the one end and the movable contact of baffle 6 of thread bush 5, the inside movable mounting of baffle 6 has mounting bolt 7, and mounting bolt 7 extends to the inside of thread bush 5, make thread bush 5 fixed, the outside fixed surface of dwang 15 installs reinforcing rod 9, the other end of reinforcing rod 9 and the inside fixed surface of case 16 are connected, avoid the dwang 15 to appear the crack after long-time use with case 16, prevent simultaneously that case 16 from appearing the deformation under the effect of atmospheric pressure, make the stability of 16 higher case.

The self-locking structure comprises a threaded cylinder 19, a spring 22 and a rotating block 20, wherein the threaded cylinder 19 is arranged at the bottom of a rotating rod 15 in a threaded manner, the rotating block 20 is fixedly arranged at the bottom of the threaded cylinder 19 and extends to the lower part of a lower sealing block 21, the spring 22 is movably sleeved on the outer side of the rotating block 20 and positioned in the lower sealing block 21, a limiting plate is fixedly arranged on the upper sealing block 13, a rotating plate 11 is fixedly arranged on the outer side surface of the rotating rod 15, a top block 12 is fixedly arranged on the top end of the rotating rod 15, a connecting rod is fixedly arranged on the outer side surface of the top block 12, a rotating ring 10 is fixedly arranged at the other end of the connecting rod, and by the self-locking structure, after the gas ball valve is arranged, the rotating block 20 can be rotated, the threaded cylinder 19 is in threaded connection with the rotating rod 15, and meanwhile one end of the threaded cylinder 19 is clamped with one side of the lower sealing block 21, so that the rotating rod 15 can be prevented from rotating by mistake due to external factors, and therefore the use effect of the gas ball valve is changed, and the gas ball valve is better in use effect, and gas circulation and gas is more stable to close.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The gas ball valve comprises a valve body (1) and an installation pipe (2), and is characterized in that: the inside movable mounting of valve body (1) has dwang (15), the outside fixed mounting of dwang (15) has case (16), and is located the inside of valve body (1), the inside of valve body (1) is equipped with sealed stable structure, the bottom of valve body (1) is equipped with the auto-lock structure, sealed stable structure includes sealing ring (17), seal cover (18), sealed pad (14), goes up sealing block (13) and lower sealing block (21), on sealing ring (17) fixed mounting valve body (1) inside wall, the inside wall and the sealed pad (14) fixed connection of sealing ring (17) are in the same place, the opposite side and the case (16) swing joint of sealed pad (14), one side fixed mounting of seal cover (18) is inside valve body (1), the opposite side activity of seal cover (18) is embedded to be set up inside case (16), go up sealing block (13) and lower sealing block (21) respectively fixed the upper and lower side inside of valve body (1), the inside movable mounting of valve body (1) has dwang (15) and sealed piece (21) down.

2. The gas ball valve of claim 1, wherein: the two ends of the valve body (1) are movably sleeved with the mounting pipe (2) respectively, a sealing ring (8) is arranged at the joint, a threaded sleeve (5) is movably sleeved at the outer side of the joint of the mounting pipe (2) and the valve body (1), a baffle (6) is fixedly arranged on the surface of the outer side of the two ends of the valve body (1), a mounting flange (3) is fixedly arranged at the other end of the mounting pipe (2), and a bolt hole (4) is formed in the inner edge of the mounting flange (3).

3. The gas ball valve of claim 2, wherein: one end of the thread bush (5) is movably contacted with the baffle plate (6), a mounting bolt (7) is movably mounted in the baffle plate (6), and the mounting bolt (7) extends to the inside of the thread bush (5).

4. The gas ball valve of claim 1, wherein: the outer side surface of the rotating rod (15) is fixedly provided with a reinforcing rod (9), and the other end of the reinforcing rod (9) is fixedly connected with the inner side surface of the valve core (16).

5. The gas ball valve of claim 1, wherein: the self-locking structure comprises a threaded cylinder (19), a spring (22) and a rotating block (20), wherein the threaded cylinder (19) is arranged at the bottom of a rotating rod (15) in a threaded mode, the rotating block (20) is fixedly arranged at the bottom of the threaded cylinder (19) and extends to the lower side of the lower sealing block (21), and the spring (22) is movably sleeved on the outer side of the rotating block (20) and located in the lower sealing block (21).

6. The gas ball valve of claim 1, wherein: the upper sealing block (13) is fixedly provided with a limiting plate, and the outer side surface of the rotating rod (15) is fixedly provided with a rotating plate (11).

7. The gas ball valve of claim 1, wherein: the top of the rotating rod (15) is fixedly provided with a top block (12), the outer side surface of the top block (12) is fixedly provided with a connecting rod, and the other end of the connecting rod is fixedly provided with a rotating ring (10).