CN213332504U

CN213332504U - Natural gas ball valve

Info

Publication number: CN213332504U
Application number: CN202022139142.XU
Authority: CN
Inventors: 郭春广; 邹磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-01
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a natural gas ball valve, which comprises a valve body, wherein the gas inlet and outlet ends of the valve body are respectively connected with a gas inlet pipe and a gas outlet pipe, the gas inlet pipe and the gas outlet pipe are respectively and uniformly provided with a gas flow buffer sheet and a gas flow dredging sheet, a valve core is arranged in the valve body, the inner side of the valve core is rotatably connected with a valve ball, the joint of the valve body, the valve core and the valve ball is provided with a sealing ring, the top of the valve ball is connected with a valve rod, the natural gas ball valve has simple structure, stability and reliability, and convenient use, the gas flow buffer sheet is arranged in the gas inlet pipe, the impact of gas flow on the valve body when the ball valve is opened can be buffered, the damage of gas flow pressure to the inner part of the valve body is avoided, the opening of the ball valve is more stable, the gas flow can be, effectively prevent other people can control the ball valve at will, improved the security.

Description

Natural gas ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a natural gas ball valve.

Background

The natural gas ball valve is mainly used for cutting off natural gas in a transportation pipeline, a ball body in a valve seat can be rotated by rotating a valve rod, so that a channel in the valve seat is blocked by a closed surface of the ball body, the natural gas ball valve is important equipment for natural gas transportation, along with popularization of gas entering a home, the installation of a natural gas pipeline is very common, gas is output through a gas meter and is connected with a gas stove through an indefinite-length corrugated pipe, a corrugated pipe conveying and connecting pipe fitting, a ball valve and a kitchen indefinite-length corrugated pipe, when the existing natural gas ball valve is used, when the ball valve is closed and then opened, due to different pressures of an air inlet end and an air outlet end, when the ball valve is opened, airflow pressure at the air inlet end can impact the inside of the ball valve, the stability of the ball valve is influenced, the natural gas conveying generates fluctuation, the damage to the inside of the ball valve is easily caused by repeated times, and the existing ball valve, but can not lock the handle, can not avoid other people to the control of natural gas balloon valve, have certain safety control problem, consequently, need design a natural gas ball valve to solve current problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, the utility model provides a natural gas ball valve, moreover, the steam generator is simple in structure, and is stable and reliable, facilitate the use, through be equipped with the air current buffer piece in the intake pipe, the impact of air current to the valve body when can buffering the ball valve and open, avoided air current atmospheric pressure to cause the damage to valve body inside, make the ball valve open more stably, dredge the piece through being equipped with the air current in the outlet duct, can steadily carry, derive the air current, make the natural gas carry more stable, through setting up the rotation handle that can lock, prevent effectively that other people can control the ball valve at will, the security has been improved, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a natural gas ball valve comprises a valve body, wherein an air inlet pipe and an air outlet pipe are respectively connected with the air inlet end and the air outlet end of the valve body, an airflow buffer sheet and an airflow dredging sheet are respectively and uniformly arranged in the air inlet pipe and the air outlet pipe, a valve core is arranged in the valve body, a valve ball is rotatably connected to the inner side of the valve core, a sealing ring is arranged at the joint of the valve body, the valve core and the valve ball, a valve rod is connected to the top of the valve ball, the valve rod is rotatably connected with the valve body, a fastening nut, a rotating handle and a supporting nut are sequentially sleeved at the top of the valve rod from top to bottom, the rotating handle is fixedly connected with the rotating handle through the pressing of the fastening nut and the supporting nut, a limiting pin is vertically connected to the end part and the side surface of the rotating handle, a limiting block is, the outer side of the arc-shaped through groove is provided with a fixing bolt, and the fixing bolt is connected to the end part of the limiting block in a threaded mode.

Further, the airflow buffer sheet and the airflow dredging sheet are respectively and uniformly arranged in the longitudinal direction and the transverse direction, and the airflow buffer sheet is uniformly provided with flow guide holes.

Furthermore, reinforcing rings are sleeved at two ends of the valve body and are wrapped outside the air inlet pipe and the air outlet pipe.

Further, the end parts of the air inlet pipe and the air outlet pipe are rotatably connected with connecting screw caps, and connecting sealing rings are arranged at the end parts of the air inlet pipe and the air outlet pipe.

Further, the top end of the valve body is connected with a wear-resistant gasket, and the supporting nut is movably attached to the top of the wear-resistant gasket.

Further, both sides of the top of the valve rod are respectively provided with a section structure, the fastening nut and the supporting nut are in threaded connection with the valve rod, and the rotating handle is sleeved on the valve rod.

Furthermore, the fixing bolt adopts an inner hexagon bolt, and the fixing bolt penetrates through the end part of the limiting block and then is positioned on the inner side of the arc-shaped through groove.

Furthermore, one end of the rotating handle is sleeved with an anti-slip rubber sleeve.

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

1. the natural gas ball valve is simple in structure, stable, reliable and convenient to use, the air flow buffer sheet is arranged in the air inlet pipe, so that impact of air flow on a valve body when the ball valve is opened can be buffered, the pressure of an internal valve core and a valve ball is reduced, the damage of air flow pressure to the interior of the valve body is avoided, the ball valve is opened more stably, and the air flow dredging and guiding sheet is arranged in the air outlet pipe, so that the air flow can be stably conveyed and guided out, and the natural gas is conveyed more stably;

2. this kind of natural gas ball valve through setting up at the spacer pin of rotating on hand and the cooperation of setting at the stopper at the valve body top, has the restriction and rotates the action of the rotatory 90 degrees of handle, through the setting of gim peg, can fix the spacer pin at the arc of stopper and lead to the inslot to can lock the position of rotating the handle, prevent effectively that other people can control the ball valve at will, guaranteed the safe work of ball valve on the pipeline, improved the security.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall vertical cross-section structure of the present invention;

fig. 2 is a schematic view of the overall side structure of the present invention;

FIG. 3 is a schematic view of the top end structure of the valve body of the present invention;

fig. 4 is a schematic structural view of the end of the intake pipe of the present invention;

fig. 5 is a schematic view of the end structure of the outlet pipe of the present invention;

reference numbers in the figures: 1. a valve body; 2. an air inlet pipe; 3. an air outlet pipe; 4. an airflow buffer sheet; 5. airflow guiding sheets; 6. a valve core; 7. a valve ball; 8. a seal ring; 9. a valve stem; 10. fastening a nut; 11. rotating the handle; 12. a support nut; 13. a spacing pin; 14. a limiting block; 15. an arc-shaped through groove; 16. a fixing bolt; 17. a flow guide hole; 18. a reinforcing ring; 19. a connecting nut; 20. connecting a sealing ring; 21. a wear resistant pad; 22. an antiskid rubber sleeve.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some embodiments, but not all embodiments, and that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive.

The first embodiment is as follows:

as shown in fig. 1-5, the utility model provides a technical solution: a natural gas ball valve comprises a valve body 1, wherein an air inlet pipe 2 and an air outlet pipe 3 are respectively connected to the air inlet end and the air outlet end of the valve body 1, an air flow buffer sheet 4 and an air flow dredging sheet 5 are respectively and uniformly arranged inside the air inlet pipe 2 and the air outlet pipe 3 and used for buffering air flow impact when the ball valve is opened and stably dredging and conveying air flow out, a valve core 6 is arranged inside the valve body 1, a valve ball 7 is rotatably connected to the inner side of the valve core 6, a sealing ring 8 is arranged at the joint of the valve body 1, the valve core 6 and the valve ball 7, a valve rod 9 is connected to the top of the valve ball 7, the valve rod 9 is rotatably connected with the valve body 1, a fastening nut 10, a rotating handle 11 and a supporting nut 12 are sequentially sleeved on the top of the valve rod 9 from top to bottom, the rotating handle 11 is fixedly connected with the rotating handle 11 through the pressing of the fastening nut 10 and the, therefore, the valve ball 7 rotates in the valve core 6, opening and closing of the ball valve are achieved, the end portion and the side face of the rotating handle 11 are perpendicularly connected with the limiting pin 13, one side of the top of the valve body 1 is connected with the limiting block 14, arc-shaped through grooves 15 matched with the limiting pin 13 are symmetrically formed in two ends of the limiting block 14, rotation of the rotating handle 11 can be limited by 90 degrees, fixing bolts 16 are arranged on the outer sides of the arc-shaped through grooves 15, the fixing bolts 16 are in threaded connection with the end portion of the limiting block 14, the limiting pin 13 can be fixed in the arc-shaped through grooves 15, and therefore the position of the rotating handle 11 is.

In this embodiment, the airflow buffer sheet 4 and the airflow dredging sheet 5 are respectively vertically and horizontally uniformly arranged, and the airflow buffer sheet 4 is uniformly provided with the flow guide holes 17 to buffer the impact of the airflow when the ball valve is opened, so that the airflow is stably conveyed.

In this embodiment, all the reinforcing ring 18 has been cup jointed at 1 both ends of valve body, just reinforcing ring 18 cladding has increased the intensity of valve body 1 and

intake pipe

2, 3 junctions of outlet duct in the intake pipe 2 and the 3 outsides of outlet duct, and the structure is more firm.

In this embodiment, the tip of intake pipe 2 and outlet duct 3 all rotates and is connected with coupling nut 19, the tip of intake pipe 2 and outlet duct 3 all is equipped with joint seal ring 20, convenient and pipe fitting sealing connection on the pipeline.

In this embodiment, valve body 1 top is connected with wear-resisting gasket 21, the movable laminating of back nut 12 is at wear-resisting gasket 21 top, when rotating valve rod 9, effectively prevents to take place wearing and tearing to valve body 1.

In this embodiment, valve rod 9 top both sides all establish to the cross-sectional structure, fastening nut 10 and the equal threaded connection of support nut 12 are on valve rod 9, rotation handle 11 suit is on valve rod 9 for rotation handle 11 can be firmly connected with valve rod 9, the rotation of being convenient for.

Example two:

as shown in fig. 1-3, the fixing bolt 16 is a hexagon socket head cap screw, the fixing bolt 16 penetrates through the end of the limiting block 14 and is located inside the arc-shaped through groove 15, when the handle 11 is rotated in a rotating mode, the limiting pin 13 enters the limiting block 14 along the arc-shaped through groove 15, then the limiting pin is limited to rotate continuously, the limiting pin 13 is fixed in the arc-shaped through groove 15 through the fixing bolt 16, the position of the rotating handle 11 can be locked, the anti-skid rubber sleeve 22 is sleeved on one end of the rotating handle 11, a protection and anti-skid effect is achieved, and the rotation is more convenient.

The utility model discloses improve in: the natural gas ball valve is connected to a pipe fitting of a pipeline through a connecting nut 19 when being installed, when in use, the rotation of the rotating handle 11 can be limited to 90 degrees through the matching of a limiting pin 13 arranged on the rotating handle 11 and a limiting block 14 arranged at the top of a valve body 1, when the rotating handle 11 rotates to the direction of the pipeline, the ball valve is opened, when the ball valve is perpendicular to the pipeline, the ball valve is closed, the air flow buffer sheet 4 is arranged inside an air inlet pipe 2, the impact of air flow on the valve body 1 when the ball valve is opened can be buffered, the pressure of an internal valve core 6 and a valve ball 7 is reduced, the damage of air flow pressure to the inside of the valve body 1 is avoided, the opening of the ball valve is more stable, the air flow guide sheet 5 is arranged inside an air outlet pipe 3, the air flow can be stably conveyed and guided out, the natural gas conveying is more stable, through the arrangement of a fixing bolt 16, thereby can lock the position of rotating handle 11, prevent effectively that other people can control the ball valve at will, guarantee the safe work of ball valve on the pipeline, improve the security.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A natural gas ball valve, includes valve body (1), its characterized in that: the air inlet and outlet ends of the valve body (1) are respectively connected with an air inlet pipe (2) and an air outlet pipe (3), the air inlet pipe (2) and the air outlet pipe (3) are respectively and uniformly provided with an air flow buffer sheet (4) and an air flow guide sheet (5), the valve body (1) is internally provided with a valve core (6), the inner side of the valve core (6) is rotatably connected with a valve ball (7), a sealing ring (8) is arranged at the joint of the valve body (1), the valve core (6) and the valve ball (7), the top of the valve ball (7) is connected with a valve rod (9), the valve rod (9) is rotatably connected with the valve body (1), the top of the valve rod (9) is sequentially sleeved with a fastening nut (10), a rotating handle (11) and a supporting nut (12), and the rotating handle (11) is fixedly connected with the rotating handle (11) through the pressing of the fastening nut (10) and the supporting, the valve body (1) top one side is connected with stopper (14), stopper (14) both ends symmetry is seted up and is led to groove (15) with stopper (13) assorted arc, the groove (15) outside is led to the arc is equipped with gim peg (16), just gim peg (16) threaded connection is at stopper (14) tip.

2. A gas ball valve according to claim 1, wherein: the airflow buffer sheet (4) and the airflow guide sheet (5) are respectively and uniformly arranged in the longitudinal direction and the transverse direction, and the airflow buffer sheet (4) is uniformly provided with flow guide holes (17).

3. A gas ball valve according to claim 1, wherein: and reinforcing rings (18) are sleeved at two ends of the valve body (1), and the reinforcing rings (18) are coated on the outer sides of the air inlet pipe (2) and the air outlet pipe (3).

4. A gas ball valve according to claim 3, wherein: the connecting nut (19) is connected to the end portions of the air inlet pipe (2) and the air outlet pipe (3) in a rotating mode, and the connecting sealing rings (20) are arranged at the end portions of the air inlet pipe (2) and the air outlet pipe (3).

5. A gas ball valve according to claim 3, wherein: the top end of the valve body (1) is connected with a wear-resistant gasket (21), and the supporting nut (12) is movably attached to the top of the wear-resistant gasket (21).

6. A gas ball valve according to claim 1, wherein: both sides of the top of the valve rod (9) are respectively provided with a section structure, the fastening nut (10) and the supporting nut (12) are in threaded connection with the valve rod (9), and the rotating handle (11) is sleeved on the valve rod (9).

7. A gas ball valve according to claim 1, wherein: the fixing bolt (16) adopts an inner hexagon bolt, and the fixing bolt (16) penetrates through the end part of the limiting block (14) and then is positioned on the inner side of the arc-shaped through groove (15).

8. A gas ball valve according to claim 1, wherein: one end of the rotating handle (11) is sleeved with an anti-slip rubber sleeve (22).