CN216951747U

CN216951747U - Safety ball valve

Info

Publication number: CN216951747U
Application number: CN202122340727.2U
Authority: CN
Inventors: 夏卫平; 胡仁达; 陶旭东
Original assignee: Suzhou Brilliant Flow Control Co ltd
Current assignee: Suzhou Brilliant Flow Control Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-07-12
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to a safety ball valve, include: the valve comprises a valve body, wherein a main flow passage is transversely and integrally formed in the valve body, an inner cavity communicated with the main flow passage is formed in the valve body, a valve ball is rotatably assembled in the inner cavity of the valve body, a valve rod is arranged at the top of the valve ball, and a sealing ring tightly attached to the periphery of the valve ball is arranged on the valve body; and, bear in the valve body is used for controlling the adjustment mechanism of ball valve flow, adjustment mechanism includes: set up in the valve body and communicate in the flexible groove of sprue, set up in flexible tank bottom portion and the elastic component that can stretch out and draw back, connect in elastic component and adaptation in the sprue has the spoiler of keeping away from fluid and advancing to inclination. Through the setting, the automatic ball valve has the advantages that frequent manual opening and closing is not needed, the automatic ball valve can be automatically closed when the fluid flow is too large, and the automatic ball valve can be automatically opened when the flow is reduced, so that the ball valve has the effect of safety control, and meanwhile, the flow can be properly controlled.

Description

Safety ball valve

Technical Field

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

Background

The ball valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves for fluid control systems, from the simplest shut-off valves to the most sophisticated valves used in autonomous systems, are of a very wide variety and size, and are used primarily in pipelines to control the flow and closing of fluids in the pipeline, and to monitor some physical parameter of the fluid, and require only 90 degrees of rotation and a small turning torque to close. The flow of the existing ball valve cannot be adjusted when the fluid inflow is too large, so that the safe operation of a pipeline is easily influenced, and even production accidents can be caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the safety ball valve which can be automatically closed when the flow of fluid is overlarge without being frequently opened and closed manually and can be automatically opened when the flow is reduced, so that the ball valve has a safety regulation effect and can properly control the flow.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a safety ball valve comprising:

the valve comprises a valve body, a main flow passage is transversely and integrally formed in the valve body, an inner cavity communicated with the main flow passage is formed in the valve body, a valve ball is rotatably assembled in the inner cavity of the valve body, a valve rod is arranged at the top of the valve ball, and a sealing ring tightly attached to the periphery of the valve ball is arranged on the valve body; and the number of the first and second groups,

bear in the valve body is used for the adjustment mechanism of control ball valve flow, adjustment mechanism includes: set up in valve body and communicate in the expansion tank of sprue, set up in the elastic component that expansion tank bottom just can stretch out and draw back, connect in elastic component and adaptation in sprue has and keeps away from fluid and advances to inclination's spoiler, set up in the spoiler is close to fluid and advances to the thrust ring of one side and set up in valve body and adaptation in the spoiler is used for sealed seal assembly.

Realize above-mentioned technical scheme, when the fluid got into the sprue in the ball valve, can promote to push away the ring and drive the spoiler slope rebound, tensile elastic component simultaneously, when the fluid flow in the sprue is too big, the thrust that the spoiler received further increases, the spoiler remove to with the seal assembly gomphosis, thereby cut off the sprue and make the ball valve be in the off-state, thereby elastic component resets and drives the spoiler gliding downward and break away from with seal assembly's gomphosis when fluid flow reduces, thereby the time ball valve is in the on-state, it frequently opens and closes to have realized need not the manual work, can be when fluid flow is too big self-closing, and open when flow reduces automatically, make the ball valve have the effect of safety control, simultaneously can suitably control flow.

As a preferable aspect of the present invention, the elastic member includes: one end connect in telescopic tank bottom portion and the other end connect in telescopic link and the cover of spoiler are located telescopic link and both ends connect respectively in the spring of telescopic tank bottom portion and spoiler.

Realize above-mentioned technical scheme, when the spoiler rebound, pulling telescopic link extension and extension spring, the power that resets of spring makes the spoiler trend of downward motion, and the throw-out collar receives fluid impact and drives the ascending power of spoiler and the power that resets of spring balance to the flow of sprue in the control ball valve, the spoiler is then seal assembly forms the pipeline and opens circuit and guarantee safety when fluid flow is too big.

As a preferable aspect of the present invention, the seal assembly includes: circumference is seted up in the valve body and is located the sprue periphery and have with the inclination's of choked flow piece looks adaptation sealed groove and inlay and locate sealed groove and adaptation in the sealed pad of choked flow piece.

According to the technical scheme, when the spoiler is embedded into the sealing gasket in the sealed groove, the ball valve is in a closed state, the sealing effect is good, and the spoiler can bear larger fluid pressure.

In a preferred embodiment of the present invention, a positioning shaft is connected to a bottom of the valve ball, and the positioning shaft is detachably mounted to a bottom of the valve body.

By the technical scheme, the valve ball is not prone to shaking in the rotating process and is more stable in use.

In a preferred embodiment of the present invention, a handle is connected to the valve stem.

Realize above-mentioned technical scheme, be convenient for rotate the ball valve through the handle, can directly open or close the ball valve.

As a preferable aspect of the present invention, the push ring has an arc shape, and the push ring is located in the main flow passage when the elastic member is at the shortest position.

By the technical scheme, the push ring is convenient to push by fluid, and the stability of the ball valve is improved.

In conclusion, the utility model has the following beneficial effects:

according to the safety ball valve, when fluid enters a main flow passage in the ball valve, the push ring can be pushed to drive the flow blocking sheet to move obliquely upwards, the elastic component is stretched, when the flow of the fluid in the main flow passage is overlarge, the thrust force applied to the flow blocking sheet is further increased, the flow blocking sheet moves to be embedded with the sealing component, so that the main flow passage is blocked, the ball valve is in a closed state, when the flow of the fluid is reduced, the elastic component resets and drives the flow blocking sheet to slide downwards to be separated from the embedding with the sealing component, therefore, the ball valve is in an open state, manual frequent opening and closing are avoided, the ball valve can be automatically closed when the flow of the fluid is overlarge, and can be automatically opened when the flow is reduced, so that the ball valve has a safety regulation effect, and meanwhile, the flow can be properly controlled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is an enlarged view of the utility model at A in FIG. 1.

FIG. 3 is a schematic view of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. a valve body; 2. a main flow channel; 3. a valve stem; 4. a valve ball; 5. a seal ring; 6. a closed groove; 7. a gasket; 8. a telescopic groove; 9. a handle; 10. a spring; 11. a spoiler; 12. a push ring; 13. and positioning the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 3, a safety ball valve includes:

the valve comprises a valve body 1, a main flow passage 2 is transversely and integrally formed on the valve body 1, an inner cavity communicated with the main flow passage 2 is arranged in the valve body 1, a valve ball 4 is rotatably assembled in the inner cavity of the valve body 1, a valve rod 3 is arranged at the top of the valve ball 4, and a sealing ring 5 tightly attached to the periphery of the valve ball 4 is arranged on the valve body 1; and an adjustment mechanism carried on the valve body 1 for controlling the flow of the ball valve, the arrow in the figure indicating the direction of fluid entry.

Specifically, the adjustment mechanism includes: set up in valve body 1 and communicate in the flexible groove 8 of sprue 2, set up in the flexible groove 8 bottom and the elastic component that can stretch out and draw back, connect in elastic component and adaptation in sprue 2 and have the spoiler 11 of keeping away from fluid and advancing to inclination, set up in spoiler 11 and be close to the thrust ring 12 that fluid advances to one side, and set up in valve body 1 and adaptation in spoiler 11 and be used for sealed seal assembly, the shape of spoiler 11 is circular, and the cross-section is greater than sprue 2, the bottom of valve ball 4 is connected with location axle 13, location axle 13 detachable assembles in the bottom of valve body 1, it is specific for passing through bolted connection, make valve ball 4 be difficult for rocking at the rotation in-process, it is more stable during the use, valve rod 3 is connected with handle 9, be convenient for rotate valve ball 4 through handle 9, can directly open or close the ball valve.

Wherein, the elastic component includes: the ball valve comprises a telescopic rod with one end connected to the bottom of the telescopic groove 8 and the other end connected to a spoiler 11, and a spring 10 sleeved on the telescopic rod and with two ends respectively connected to the bottom of the telescopic groove 8 and the spoiler 11, wherein when the spoiler 11 moves upwards, the telescopic rod is pulled to extend and stretch the spring 10, the resetting force of the spring 10 enables the spoiler 11 to have a downward movement trend, the push ring 12 is impacted by fluid and drives the upward force of the spoiler 11 to be balanced with the resetting force of the spring 10, so that the flow of a main flow passage 2 in the ball valve is controlled, and when the flow of the fluid is too large, the spoiler 11 seals a pipeline to break so as to ensure safety; the seal assembly includes: the circumference is seted up in valve body 1 and is located sprue 2 periphery and has the inclination's with spoiler 11 looks adaptation sealed groove 6, and inlay and locate sealed groove 6 and adaptation in spoiler 11 sealed 7, when spoiler 11 imbeds sealed 7 in sealed groove 6, the ball valve is in and closes the closed condition, and sealed effectual, spoiler 11 can bear bigger fluid pressure, and is further, the shape of throw-away ring 12 is the arc, elastic component throw-away ring 12 is located sprue 2 when the minimum, be convenient for fluid promotion throw-away ring 12, the stability of ball valve has been improved.

During the use, during the sprue 2 in the fluid entering ball valve, can promote to push away ring 12 and drive spoiler 11 slope rebound, tensile elastic component simultaneously, when the fluid flow in sprue 2 is too big, the thrust that spoiler 11 received further increases, spoiler 11 remove to with seal assembly gomphosis, thereby cut off sprue 2 and make the ball valve be in the closed condition, thereby elastic component resets and drives spoiler 11 downward slip and break away from with seal assembly's gomphosis when fluid flow reduces, thereby the ball valve is in the open condition during time.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention 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. A safety ball valve, comprising:

the valve comprises a valve body, wherein a main flow passage is transversely and integrally formed in the valve body, an inner cavity communicated with the main flow passage is formed in the valve body, a valve ball is rotatably assembled in the inner cavity of the valve body, a valve rod is arranged at the top of the valve ball, and a sealing ring tightly attached to the periphery of the valve ball is arranged on the valve body; and the number of the first and second groups,

2. A safety ball valve according to claim 1, wherein the resilient assembly comprises: one end connect in flexible tank bottom portion and the other end connect in the telescopic link and the cover of spoiler are located telescopic link and both ends connect respectively in the spring of flexible tank bottom portion and spoiler bottom.

3. A safety ball valve in accordance with claim 2, wherein said seal assembly comprises: circumference is seted up in the valve body and is located the sprue periphery and have with the inclination's of choked flow piece looks adaptation sealed groove and inlay and locate sealed groove and adaptation in the sealed pad of choked flow piece.

4. The safety ball valve as claimed in claim 1, wherein a positioning shaft is connected to a bottom of the valve ball, and the positioning shaft is detachably mounted to a bottom of the valve body.

5. A safety ball valve in accordance with claim 1 wherein a handle is attached to the valve stem.

6. A safety ball valve in accordance with claim 3, wherein said push ring is arcuate in shape, said push ring being located within said primary flowpath when said elastomeric element is at its shortest.