CN215214842U

CN215214842U - Spherical balance valve

Info

Publication number: CN215214842U
Application number: CN202121187573.1U
Authority: CN
Inventors: 程玲玲; 程博特; 程文斌
Original assignee: Jiute Valve Group Co ltd
Current assignee: Jiute Valve Group Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-17
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a spherical balance valve, including the valve body, with valve body fixed connection's casing and set up at the inside case of casing, fixedly connected with axle sleeve on the casing, the inboard rotation of axle sleeve is connected with the valve rod, valve rod one end and case fixed connection, the other end extend to the top of axle sleeve, be equipped with the turned angle of indicating mechanism in order to indicate valve rod and case on the valve rod, the outside lower surface of case is equipped with locking mechanical system in order to lock the case. The utility model discloses in, be equipped with locking mechanical system, when the valve is opened or the degree of opening and shutting of change valve as needs, press down the shifting block for first gear breaks away from with the second gear, and spring and telescopic link are compressed simultaneously, open the valve to required degree of opening and shutting through the rotating valve rod, loosen the shifting block, and the spring of compressed needs the reconversion, drives second gear again and first gear block, realizes spacing to the case, and the accuracy is higher.

Description

Spherical balance valve

Technical Field

The utility model relates to a ball valve technical field especially relates to a spherical balanced valve.

Background

The valve is a product for controlling flow and opening and closing, and is widely applied to various fields, and the ball valve is the most common valve, and the opening and closing part is driven by a valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for 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 valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

The existing ball valve is lack of limitation on the valve core after being opened to a certain opening degree, so that the valve core rotates due to the impact of a medium, the opening degree of the valve is changed, and the ball valve is not suitable for occasions with higher requirements on accuracy and is inconvenient and intuitive to know the opening degree of the valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a spherical balance valve is provided.

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

the spherical balance valve comprises a valve body, a shell fixedly connected with the valve body and a valve core arranged inside the shell, wherein a shaft sleeve is fixedly connected onto the shell, a valve rod is rotatably connected to the inner side of the shaft sleeve, one end of the valve rod is fixedly connected with the valve core, the other end of the valve rod extends to the upper side of the shaft sleeve, an indicating mechanism is arranged on the valve rod to indicate the rotating angle of the valve rod and the valve core, and a locking mechanism is arranged on the lower surface of the outer portion of the valve core to lock the valve core.

As a further description of the above technical solution:

indicating mechanism includes calibrated scale, pointer and protection casing, calibrated scale and axle sleeve fixed connection, valve rod one side fixedly connected with and calibrated scale matched with pointer, calibrated scale outside fixedly connected with protection casing.

As a further description of the above technical solution:

the locking mechanism comprises a connecting shaft, a first gear, a bracket, a telescopic rod, a spring, a second gear, a connecting rod, a shifting block and a limiting block, one end of the connecting shaft is fixedly connected with the outer surface wall of the valve core, the other end is rotatably connected with the inner surface wall of the shell, the connecting shaft is fixedly connected with a first gear which is coaxially arranged, the inner surface wall of the shell is fixedly connected with a bracket, the bracket is fixedly connected with one end of the telescopic rod, the other end of the telescopic rod is fixedly connected with a second gear which is meshed with the first gear, the lower end surface of the second gear is fixedly connected with a connecting rod and a limiting block, the lower end of the connecting rod penetrates through the shell to extend to the outside of the shell and is fixedly connected with a shifting block, the lower terminal surface of stopper and the inside bottom surface wall butt of casing, telescopic link outside cover is equipped with the spring, the both ends of spring respectively with support and second gear butt.

As a further description of the above technical solution:

and a sealing ring is arranged between the valve core and the valve body.

As a further description of the above technical solution:

the height of the limiting block is equal to the distance between the first gear and the shell.

As a further description of the above technical solution:

the spring is always in a compressed state.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, be equipped with indicating mechanism, drive the case through the rotating valve rod and rotate, realize opening and shutting of valve, the pointer rotates along with the valve rod is synchronous simultaneously, indicate the degree of opening and shutting of valve on the calibrated scale, be convenient for people audio-visual understanding valve's degree of opening and shutting, be equipped with locking mechanical system, when the valve is opened or the degree of opening and shutting of valve is changed to needs, press down the shifting block, make first gear break away from with the second gear, spring and telescopic link are compressed simultaneously, open the valve to required degree of opening and shutting through the rotating valve rod, loosen the shifting block, the spring of compressed needs the reconversion, drive second gear is again with first gear block, the realization is spacing to the case, the accuracy is higher.

Drawings

Fig. 1 shows a cross-sectional view of an overall structure provided in accordance with an embodiment of the present invention;

fig. 2 shows an enlarged view of a structure at a provided according to an embodiment of the present invention;

fig. 3 shows a top view of the first gear and the second gear structure provided according to the embodiment of the present invention.

Illustration of the drawings:

1. a valve body; 2. a housing; 3. a valve core; 4. a shaft sleeve; 5. a valve stem; 6. a dial scale; 7. a pointer; 8. a protective cover; 9. a connecting shaft; 10. a first gear; 11. a support; 12. a telescopic rod; 13. a spring; 14. a second gear; 15. a connecting rod; 16. shifting blocks; 17. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a spherical balanced valve, including valve body 1, with 1 fixed connection's of valve body casing 2 and set up at 2 inside case 3 of casing, fixedly connected with axle sleeve 4 on the

casing

2, 4 inboard rotations of axle sleeve are connected with

valve rod

5, 5 one end of valve rod and 3 fixed connection of case, the other end extends to the top of axle sleeve 4, be equipped with indicating mechanism on the valve rod 5 with the turned angle who instructs valve rod 5 and

case

3, 3 outside lower surfaces of case are equipped with locking mechanical system in order to lock case 3, be equipped with indicating mechanism, be convenient for people's audio-visual degree of opening of understanding valve, be equipped with locking mechanical system, open the valve to required degree of opening after, realize spacing to case 3 by locking mechanical system, avoid case 3 to rotate owing to the impact that receives the medium, thereby change the condition of the degree of opening of valve, the accuracy is higher.

Specifically, as shown in fig. 1, indicating mechanism includes calibrated scale 6, pointer 7 and protection casing 8, calibrated scale 6 and axle sleeve 4 fixed connection, 5 one side fixedly connected with of valve rod and 6 matched with pointer 7, 6 outside fixedly connected with of calibrated scale protection casings 8, be equipped with the sealing washer between case 3 and the valve body 1, drive case 3 through rotating valve rod 5 and rotate, realize opening and shutting of valve, pointer 7 rotates along with valve rod 5 is synchronous simultaneously, the degree of opening and shutting of indicating valve on calibrated scale 6, the degree of opening and shutting of people's audio-visual understanding valve of being convenient for.

Specifically, as shown in fig. 1, 2 and 3, the locking mechanism includes a connecting shaft 9, a first gear 10, a bracket 11, an expansion link 12, a spring 13, a second gear 14, a connecting rod 15, a shifting block 16 and a limiting block 17, one end of the connecting shaft 9 is fixedly connected with the outer surface wall of the valve core 3, the other end is rotatably connected with the inner surface wall of the housing 2, the connecting shaft 9 is fixedly connected with the first gear 10 coaxially arranged, the inner surface wall of the housing 2 is fixedly connected with the bracket 11, the bracket 11 is fixedly connected with one end of the expansion link 12, the other end of the expansion link 12 is fixedly connected with the second gear 14 engaged with the first gear 10, the lower end surface of the second gear 14 is fixedly connected with the connecting rod 15 and the limiting block 17, the lower end of the connecting rod 15 penetrates through the housing 2 and extends to the outside of the housing 2 and is fixedly connected with the shifting block 16, the lower end surface of the limiting block 17 is abutted against the inner bottom surface wall of the housing 2, the spring 13 outside of the expansion link 12 is sleeved on the outer side, spring 13's both ends respectively with support 11 and the 14 butt of second gear, stopper 17 highly equals the interval of first gear 10 and casing 2, spring 13 is in compression state all the time, when the valve is opened or the degree of opening of change valve is spent to needs, press shifting block 16, make first gear 10 break away from with second gear 14, spring 13 and telescopic link 12 are compressed simultaneously, open the valve to required degree of opening through rotating valve rod 5, loosen shifting block 16, the spring 13 of compressed needs the reconversion, drive second gear 14 again with first gear 10 block, realize spacing to case 3, the accuracy is higher.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The spherical balance valve comprises a valve body, a shell fixedly connected with the valve body and a valve core arranged inside the shell, and is characterized in that a shaft sleeve is fixedly connected onto the shell, a valve rod is rotatably connected to the inner side of the shaft sleeve, one end of the valve rod is fixedly connected with the valve core, the other end of the valve rod extends to the upper portion of the shaft sleeve, an indicating mechanism is arranged on the valve rod to indicate the rotating angle of the valve rod and the valve core, and a locking mechanism is arranged on the lower surface of the outer portion of the valve core to lock the valve core.

2. The spherical balance valve according to claim 1, wherein the indicating mechanism comprises a dial, a pointer and a protective cover, the dial is fixedly connected with the shaft sleeve, the pointer matched with the dial is fixedly connected to one side of the valve rod, and the protective cover is fixedly connected to the outer side of the dial.

3. The spherical balance valve according to claim 1, wherein the locking mechanism comprises a connecting shaft, a first gear, a bracket, a telescopic rod, a spring, a second gear, a connecting rod, a shifting block and a limiting block, one end of the connecting shaft is fixedly connected with the outer surface wall of the valve core, the other end of the connecting shaft is rotatably connected with the inner surface wall of the housing, the connecting shaft is fixedly connected with the first gear which is coaxially arranged, the inner surface wall of the housing is fixedly connected with the bracket, the bracket is fixedly connected with one end of the telescopic rod, the other end of the telescopic rod is fixedly connected with the second gear which is meshed with the first gear, the lower end surface of the second gear is fixedly connected with the connecting rod and the limiting block, the lower end of the connecting rod penetrates through the housing and extends to the outside of the housing and is fixedly connected with the shifting block, the lower end surface of the limiting block is abutted against the bottom surface wall of the inside of the housing, the outside of the telescopic rod is sleeved with the spring, and two ends of the spring are respectively abutted against the bracket and the second gear.

4. The spherical balance valve of claim 1 wherein a seal is disposed between the valve core and the valve body.

5. The spherical balance valve of claim 3 wherein the height of the stop is equal to the distance between the first gear and the housing.

6. A ball balance valve as defined in claim 3 wherein said spring is always in compression.