CN213808960U

CN213808960U - High-pressure ball valve

Info

Publication number: CN213808960U
Application number: CN202022112080.3U
Authority: CN
Inventors: 陆苏花; 胡嘉林
Original assignee: Ningbo Zhenghua Hydraulic Co ltd
Current assignee: Ningbo Zhenghua Hydraulic Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-27
Anticipated expiration: 2030-09-23

Abstract

The application relates to a high-pressure ball valve, including the valve body and rotate set up in open or close in the valve body the sealed spheroid of valve body, the valve body upper end is provided with the drive sealed spheroid pivoted valve rod, the week side cover of valve rod is equipped with reset spring, the valve body is in valve rod one side is provided with the stand, reset spring middle part is fixed in valve rod week side, and the outer end is fixed in on the stand. The automatic closing device has the advantages of being capable of being automatically closed without manual operation, more convenient, simpler to install and the like.

Description

High-pressure ball valve

Technical Field

The application relates to the field of valves, in particular to a high-pressure ball valve.

Background

Currently, a high-pressure ball valve is a valve in which an opening and closing member (a ball) is driven by a valve rod and rotates around the axis of the valve rod. The high-pressure ball valve is used for hydraulic mechanical equipment, hydraulic switches, natural gas and the like, the high-pressure ball valve is appeared in the 50 th century, and along with the rapid development of scientific technology and the continuous improvement of production process and product structure, the high-pressure ball valve is rapidly developed into a main valve in short 40 years.

The high-pressure ball valve is mainly used for cutting off or connecting media in a pipeline and can also be used for regulating and controlling fluid, wherein a strong shearing force is generated between a V-shaped ball core of the hard-seal V-shaped ball valve and a metal valve seat of a build-up welding hard alloy, and the high-pressure ball valve is particularly suitable for the 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.

The prior patent grant publication number: CN103335129B "high temperature and high pressure ball valve" discloses a high temperature and high pressure ball valve, which comprises a valve body and a valve rod, the valve body is composed of a main valve body and a valve seat fixedly connected together, a reducing section with a small upper part and a large lower part is arranged on the valve rod, the reducing section is located below an inner port of a valve rod hole, the upper end of the reducing section is not larger than the inner port of the valve rod hole, the lower end is larger than the inner port of the valve rod hole, the outer edge of two butt-joint end faces on the main valve body and the valve seat are both provided with annular notches in annular step shape, the annular notches are butt-jointed into an annular groove, a sealing ring is installed in the annular groove, the sealing ring is made of high temperature resistant material with thermal expansion coefficient smaller than that of the valve body, and the inner side face of the sealing ring is tightly matched with the bottom face of the annular groove.

The above prior art solutions have the following drawbacks: the high-pressure ball valve in the scheme is opened and closed when in use and all needs manual operation, and in some use environments, the high-pressure ball valve is closed in time after being opened, and in case of forgetting to close, serious consequences can be caused.

SUMMERY OF THE UTILITY MODEL

In order to open the back and in time close, this application provides a high-pressure ball valve.

The above object of the present application is achieved by the following technical solutions:

the utility model provides a high-pressure ball valve, include the valve body and rotate set up in open or close in the valve body the sealed spheroid of valve body, the valve body upper end is provided with the drive sealed spheroid pivoted valve rod, the week side cover of valve rod is equipped with reset spring, the valve body is in valve rod one side is provided with the stand, reset spring middle part is fixed in valve rod week side, and the outer end is fixed in on the stand.

Through adopting above-mentioned technical scheme, when using this high pressure ball valve, the valve body is connected on the pipeline at both ends, makes the pipeline intercommunication at both ends or cut off through rotating the valve rod, rotates the valve rod when making the pipeline intercommunication for reset spring is tensile state, does not exert external force to the valve rod this moment, and under reset spring's effect, the valve rod rotates to reseing to drive the sealed spheroid rotation of lower extreme, thereby cut off the pipeline. According to the scheme, after the high-pressure ball valve is opened, the high-pressure ball valve can be automatically closed without manual operation, so that the high-pressure ball valve is more convenient, and serious consequences caused by forgetting are avoided.

Preferably, the valve rod is circumferentially provided with a limiting plate at the lower side of the return spring, the valve body is provided with a positioning pin at one side of the prime number valve rod, and the side end of the limiting plate is provided with an arc-shaped waist-shaped groove for the insertion and sliding of the positioning pin.

Through adopting above-mentioned technical scheme, when the sealed spheroid that rotates the valve rod and drive the lower extreme rotates, sealed spheroid rotates to certain angle and makes the pipeline at both ends communicate completely, and cut off completely when rotating another appointed angle, it will be very inconvenient nevertheless through manual control pivoted angle, set up the limiting plate in this scheme at valve rod week side, make locating pin on the valve body insert the waist type inslot, when rotating the valve rod this moment, the locating pin slides at waist type inslot, stop when sliding to the inner wall at butt waist type groove both ends, high-pressure ball valve is in the state of opening completely and cutting off completely this moment, thereby it is more convenient when making the rotation valve rod.

Preferably, the valve rod is fixed with a bearing plate between the limiting plate and the return spring through a snap spring.

Through adopting above-mentioned technical scheme, accept the board through the jump ring is fixed in valve rod week side for reset spring butt is accepting the board upper end and is being out of shape and reseing, can not received outside influence when making reset spring deformation and reseing, avoids appearing phenomenon such as card stop, avoids dispersing in vertical direction, influences the efficiency that resets of valve rod through accepting the board spacing at the horizontal direction with reset spring's power simultaneously.

Preferably, the middle part of the return spring is bent to form a square slot for the valve rod to be inserted, and the outer end of the return spring forms a circular slot for the upright post to be inserted.

Through adopting above-mentioned technical scheme, buckle reset spring's middle part and be the square slot, when making reset spring's middle part fixed with the valve rod, directly penetrate the valve rod in the square slot, the tight butt of side of valve rod is at the inner wall of square slot this moment, thereby make reset spring and valve rod drive each other, make the difference through rigidity such as bolt fastening or welding alright realize reset spring's application, make the installation of this high pressure ball valve and reset spring's change all more convenient, set the outer end of reset spring into circular slot equally, the installation of reset spring has been made things convenient for equally.

Preferably, a mounting hole is formed in the middle of the valve body, the sealing ball body is rotatably connected to the middle of the mounting hole, and valve caps are arranged at two ends of the mounting hole.

Through adopting above-mentioned technical scheme, set up the mounting hole in the middle part of the valve body to make the installation that sealed spheroid can be convenient and smooth, insert the valve cap simultaneously at the both ends of mounting hole, make the middle part of valve cap and sealed spheroidal middle part form the water route, make need not too many changes on the valve body, alright convenient spheroidal installation and dismantlement, when convenient maintenance, structural strength is higher.

Preferably, a handle is fixed to one end, far away from the valve body, of the valve rod through a hexagon bolt.

Through adopting above-mentioned technical scheme, rotate the valve rod through the handle, it is more convenient laborsaving.

Preferably, the valve body is provided with sealing rings at two ends of the sealing ball body in the mounting hole.

Through adopting above-mentioned technical scheme, set up the sealing washer through the both ends at sealed spheroid, reduce sealed spheroid when the pivoted, the probability that the liquid that high pressure ball valve connecting tube carried flows from the gap between sealed spheroid and the valve body improves the leakproofness.

Preferably, the valve body is provided with a pressure spring at one end of the sealing ring far away from the sealing ball body.

Through adopting above-mentioned technical scheme, the sealing washer is kept away from the one end of sealed spheroid and is set up the pressure spring, through the pressure spring with the tight butt of sealing washer in the week side of sealed spheroid to strengthen the leakproofness, reduce the probability of weeping.

To sum up, the beneficial technical effect of this application does:

1. under the action of the reset spring, the valve rod rotates to reset, so that the sealing ball at the lower end is driven to rotate, the pipeline is cut off, the pipeline can be automatically closed without manual operation, the operation is more convenient, and serious consequences caused by forgetting are avoided;

2. when the valve rod is rotated, the positioning pin slides in the kidney-shaped groove, and stops sliding when the positioning pin slides to abut against the inner walls at the two ends of the kidney-shaped groove, and the high-pressure ball valve is in a state of being completely opened and completely separated, so that the valve rod is more convenient to rotate;

3. the middle part of the reset spring is bent to form a square slot, so that when the middle part of the reset spring is fixed with the valve rod, the valve rod is directly inserted into the square slot, the reset spring and the valve rod can be mutually driven, the application of the reset spring can be realized through rigid fixation such as bolt fixation or welding, and the installation of the high-pressure ball valve and the replacement of the reset spring are more convenient.

Drawings

FIG. 1 is a schematic structural view of a high pressure ball valve;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a limiting plate;

FIG. 4 is a schematic structural view of a return spring;

fig. 5 is an enlarged view of fig. 1 at B.

In the figure: 1. a valve body; 2. sealing the ball body; 3. a valve stem; 4. mounting holes; 5. a limiting plate; 6. a waist-shaped groove; 7. positioning pins; 8. a clamp spring; 9. a bearing plate; 10. a return spring; 11. a square slot; 12. a circular slot; 13. a column; 14. a handle; 15. a seal ring; 16. a bonnet; 17. and (5) pressing a spring.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, a high pressure ball valve includes a valve body 1 and a sealing ball 2 rotatably disposed in the valve body 1 to open or close the valve body 1, and a valve rod 3 for driving the sealing ball 2 to rotate is disposed at an upper end of the valve body 1.

The middle part of the valve body 1 is provided with a mounting hole 4, the sealing ball body 2 is rotatably inserted in the middle part of the mounting hole 4, the valve rod 3 is a square metal rod, and the valve rod 3 is inserted in the side end of the sealing ball body 2 directly after penetrating through the side end of the valve body 1, so that the valve rod 3 can drive the sealing ball body 2 to rotate.

Combine fig. 2 and fig. 3, valve rod 3 exposes in the week side cover of 1 one end of valve body to be equipped with limiting plate 5, curved waist type groove 6 has been seted up to 5 side ends of limiting plate, valve body 1 has a locating pin 7 through the threaded fixation in one side of valve rod 3, locating pin 7 directly pegs graft in waist type groove 6, when rotating valve rod 3, valve rod 3 drives limiting plate 5 and rotates, make locating pin 7 slide in waist type groove 6, stop when 7 butt of locating pin stop when the both ends of 6 inner walls in waist type groove, the high-pressure ball valve is the state of opening and closing this moment.

The clamp spring 8 is sleeved on the periphery of the valve rod 3, the clamp spring 8 limits the limiting plate 5, the bearing plate 9 is sleeved on the periphery of the valve rod 3, the bearing plate 9 abuts against the other end of the clamp spring 8, the return spring 10 is sleeved on the periphery of the valve rod 3, and the return spring 10 abuts against the other end of the bearing plate 9.

Referring to fig. 4 and 5, the return spring 10 is a disc spring, the middle portion of the return spring 10 is bent to form a square slot 11, the valve rod 3 is inserted into the middle portion of the square slot 11, the circumferential side of the valve rod 3 abuts against the side wall of the square slot 11 at the moment, the return spring 10 and the valve rod 3 can be driven mutually, the outer end of the return spring 10 is wound to form a circular slot 12, the valve body 1 is fixed with an upright column 13 on one side of the valve rod 3 through threads, the upright column 13 is directly inserted into the circular slot 12, the return spring 10 can be deformed by rotating the valve rod 3 at the moment, and the return spring 10 drives the valve rod 3 to reset after being loosened.

Referring to fig. 1, a handle 14 is sleeved on one end of the valve rod 3 far away from the valve body 1 and is fixed through a hexagon bolt, so that the valve rod 3 can be easily rotated by rotating the handle 14.

The valve body 1 is inserted into the mounting hole 4, the sealing rings 15 are located at two ends of the sealing ball body 2, and the sealing rings 15 are abutted against two ends of the sealing ball body 2, so that when the sealing ball body 2 rotates, the sealing rings 15 can reduce the liquid leakage probability.

Valve body 1 has valve cap 16 at the both ends grafting of mounting hole 4, and a valve cap 16 supports tightly in a sealing washer 15 outer end, and the embedding has pressure spring 17 between another valve cap 16 and another sealing washer 15 for pressure spring 17 can support tightly sealing washer 15, thereby carries out better sealing to sealed spheroid 2.

The implementation principle of the embodiment is as follows:

when this high-pressure ball valve of installation, in 2 disect insertions mounting hole 4 of sealed spheroid, make sealed spheroid 2 be located the middle part of mounting hole 4, penetrate and fix with sealed spheroid 2 with valve rod 3 direct side from valve body 1, limiting plate 5 is established to the cover on valve rod 3, make locating pin 7 insert waist type groove 6, accept board 9 and reset spring 10 are established to the cover on valve rod 3, and it is fixed through jump ring 8, establish handle 14 and fix through hex bolts at valve rod 3 week side cover at last, insert mounting hole 4 and butt at sealed spheroid 2 both ends with two sealing washer 15, then insert valve cap 16 and fix at both ends. The handle 14 is rotated, the valve rod 3 drives the sealing ball 2 to rotate until the positioning pin 7 abuts against the inner wall of the waist-shaped groove 6, the handle 14 is loosened, and the valve rod 3 drives the sealing ball 2 to reset under the action of the reset spring 10.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-pressure ball valve, includes valve body (1) and rotate set up in open or close in valve body (1) the sealed spheroid (2) of valve body (1), its characterized in that: valve body (1) upper end is provided with the drive sealed spheroid (2) pivoted valve rod (3), the week side cover of valve rod (3) is equipped with reset spring (10), valve body (1) valve rod (3) one side is provided with stand (13), reset spring (10) middle part is fixed in valve rod (3) week side, and the outer end is fixed in on stand (13).

2. The high pressure ball valve of claim 1, wherein: valve rod (3) week side is in reset spring (10) downside is provided with limiting plate (5), valve body (1) valve rod (3) one side is provided with locating pin (7), confession is seted up to limiting plate (5) side arcuation waist-shaped groove (6) that locating pin (7) pegged graft and slide.

3. The high pressure ball valve of claim 2, wherein: the valve rod (3) is fixed with a bearing plate (9) between the limiting plate (5) and the return spring (10) through a clamp spring (8).

4. The high pressure ball valve of claim 1, wherein: the middle part of the return spring (10) is bent to form a square slot (11) for the valve rod (3) to be inserted, and the outer end of the return spring (10) forms a circular slot (12) for the upright post (13) to be inserted.

5. The high pressure ball valve of claim 1, wherein: mounting hole (4) have been seted up at valve body (1) middle part, sealed spheroid (2) rotate to be connected mounting hole (4) middle part, valve body (1) is in the both ends of mounting hole (4) are provided with valve cap (16).

6. The high pressure ball valve of claim 5, wherein: and a handle (14) is fixed at one end of the valve rod (3) far away from the valve body (1) through a hexagon bolt.

7. The high pressure ball valve of claim 6, wherein: and the valve body (1) is provided with sealing rings (15) which are positioned at two ends of the sealing ball body (2) in the mounting hole (4).

8. The high pressure ball valve of claim 7, wherein: and a pressure spring (17) is arranged at one end, far away from the sealing ball body (2), of the sealing ring (15) of the valve body (1).