CN219413590U

CN219413590U - Ball valve capable of being quantitatively controlled and preventing oxidization

Info

Publication number: CN219413590U
Application number: CN202320060067.9U
Authority: CN
Inventors: 王田田; 周朋; 肖卫香
Original assignee: Kunshan Dewiworkang Machinery Co ltd
Current assignee: Kunshan Dewiworkang Machinery Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-07-25
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a quantitatively-controllable and anti-oxidation sphere valve, which comprises a main body valve and a control mechanism, wherein an inner core mechanism for abutting and sealing is arranged in the middle of the inner side of the main body valve, the control mechanism for opening and closing is arranged above the inner part of the main body valve, and one side of the inner part of the main body valve is provided with a protection mechanism for corrosion resistance and oxidation resistance. This but quantitative control and oxidation-resistant spheroid valve compares with current device, through interior valve pocket, it is butyl rubber material, and the surface of interior valve pocket is in the same place with the inner wall of main part valve tightly, thereby can directly contact with interior valve pocket when the liquid circulation, because butyl rubber has strong oxidation resistance, strong corrosivity's ability, thereby can significantly reduce the oxidation corrosion of circulation liquid in to the main part valve, through compression chamber, it makes interior valve pocket have certain compressibility, thereby when the liquid takes place the circulation of cold and hot, can make corresponding deformation, and then reduce the deformation to the main part valve.

Description

Ball valve capable of being quantitatively controlled and preventing oxidization

Technical Field

The utility model relates to the technical field of sphere valves, in particular to a sphere valve which can be quantitatively controlled and is oxidation-proof.

Background

The ball valve is a valve with a valve rod driven by a start-stop element (ball) and rotating around the axis of the valve rod.

The application number is as follows: CN202020571860.1, a three-piece ball valve for valve tap, this three-piece ball valve for valve tap, the sphere changes slotted seal structure with the connected mode of disk seat from the seal structure of close contact, keep the leakproofness that body and disk seat are connected, slotted seal structure has reduced the impact to three-piece ball valve disk seat under operating pressure, also have certain cushioning effect when having impurity embedding seal seat, can make ball valve body on-off moment of torsion reduce, it is lighter when opening and shutting, when opening or closing the ball valve body, through rotating the handle, drive the sphere motion, when the compact disk seat of spheroid, slotted seal structure provides the space of yielding for the disk seat, make the spheroid rotate more nimble, and then reduce the moment, facilitate the use.

Similar to the above-mentioned application, there are currently disadvantages:

the existing ball valve has the problems of poor oxidation resistance and deformation resistance when in use, and thus, corrosion damage is easy to occur when the ball valve is used for a long time.

Accordingly, the present utility model has been made in view of the above problems, and an object of the present utility model is to provide a ball valve which can be quantitatively controlled and is resistant to oxidation, so as to achieve a more practical value.

Disclosure of Invention

The utility model aims to provide a ball valve which can be quantitatively controlled and is oxidation-proof, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but quantitative control and oxidation-resistant spheroid valve, includes main part valve and control mechanism, the inboard middle part of main part valve is provided with the inner core mechanism that is used for contradicting sealedly for open and close control mechanism sets up in the inside top of main part valve, inside one side of main part valve is provided with the protection machanism that is used for corrosion-resistant oxidation-resistant, and protection machanism includes interior valve pocket, extension, compression chamber and ectocoating, interior valve pocket is installed in the inside both sides of main part valve, and interior valve pocket is laminated mutually with the main part valve, the front end of interior valve pocket is fixed with the extension, compression chamber has been seted up at the outside middle part of interior valve pocket, and the compression chamber is the ring shape, the surface mounting of main part valve has the ectocoating, and the ectocoating is laminated mutually with the main part valve.

Further, the inner core mechanism comprises a ball valve core and lateral bases, and the lateral bases are arranged in the middle of two sides of the ball valve core.

Further, the control mechanism comprises a valve rod and a speed reduction box, and the input end of the valve rod is provided with the speed reduction box.

Further, the control mechanism further comprises a sealing sleeve and a supporting spring, wherein the sealing sleeve is arranged in the middle of the outer side of the valve rod, and the supporting spring is connected with the middle of the inner side of the sealing sleeve.

Further, a flowmeter is installed on the other side of the main body valve, and a non-return mechanism for preventing backflow is arranged on one side of the inside of the flowmeter.

Further, the non-return mechanism comprises a rotary valve cover and a connecting spring, and one side above the rotary valve cover is connected with the connecting spring.

Further, the non-return mechanism further comprises a limiting block, and the limiting block is arranged on one side below the rotary valve cover.

Further, the rotary valve cover is elastically connected with the flowmeter through a connecting spring, and the limiting block is fixedly connected with the flowmeter.

Compared with the prior art, the utility model provides the ball valve which can be quantitatively controlled and is oxidation-proof, and has the following beneficial effects: the ball valve is strong in sealing performance, the problem of sealing deterioration caused by long-time use is avoided, accurate quantitative control can be performed, meanwhile, the oxidation resistance of the inside and the outside of the ball valve can be improved, and the service life of the ball valve can be effectively prolonged.

1. According to the utility model, the lateral base is a contact seat with elastic expansion capability, so that elastic interference can be carried out when the ball valve core rotates, the sealing capability of the valve core is improved, the motor with servo property is arranged in the speed reduction box, the valve rod can be precisely controlled to rotate so as to drive the opening and closing of the ball valve core, and the sealing performance between the valve rod and the sealing sleeve and between the valve rod and the main valve can be realized by utilizing elastic force through the sealing sleeve and the supporting spring, so that the problem of poor sealing caused by shrinkage deformation of the sealing sleeve after long-time use is avoided;

2. according to the utility model, through the flowmeter, the circulating quantity of the main body valve can be accurately monitored, so that the main body valve is matched with the speed reduction box together, when the flow reaches the requirement, an electric signal is transmitted into the speed reduction box to control the closing of the ball valve core, so that the purpose of quantitative control can be achieved, and when the flow stops, the valve cover is rotated, the valve cover can be pulled back to abut against the limiting block by using the connecting spring, so that the one-way sealing can be carried out at the position of the flow passage, and the influence on the accuracy of quantitative control due to liquid backflow is avoided;

3. according to the utility model, the inner valve sleeve is made of butyl rubber, the outer surface of the inner valve sleeve is tightly attached to the inner wall of the main body valve, so that the inner valve sleeve can be directly contacted with the inner valve sleeve when liquid circulates, the oxidizing corrosion of circulating liquid in the main body valve can be greatly reduced due to the strong oxidizing resistance and strong corrosivity of the butyl rubber, the inner valve sleeve has a certain compression capacity through the compression cavity, so that corresponding deformation can be made when the liquid circulates in a cold-hot mode, the deformation of the main body valve is further reduced, the outer surface of the main body valve can be protected by a galvanized corrosion-resistant coating and the like, and the service life of the ball valve can be effectively prolonged after the inner and outer surfaces of the main body valve are protected.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a quantitatively controllable and oxidation-resistant ball valve body valve according to the present utility model;

FIG. 2 is an enlarged schematic view of the ball valve of FIG. 1A, which is quantitatively controllable and oxidation-proof;

FIG. 3 is a schematic front view of a quantitatively controllable and oxidation-resistant ball valve guard mechanism according to the present utility model;

FIG. 4 is a schematic perspective view of a quantitatively controllable and oxidation-resistant ball valve core of a ball valve according to the present utility model.

In the figure: 1. a main body valve; 2. an inner core mechanism; 201. a ball valve core; 202. a lateral base; 3. a control mechanism; 301. a valve stem; 302. a speed reduction box; 303. sealing sleeve; 304. a support spring; 4. a flow meter; 5. a non-return mechanism; 501. rotating the valve cover; 502. a connecting spring; 503. a limiting block; 6. a protective mechanism; 601. an inner valve sleeve; 602. an extension end; 603. a compression chamber; 604. and (5) an outer plating layer.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 and fig. 4, a quantitatively controllable and oxidation-resistant ball valve comprises a main body valve 1 and a control mechanism 3, wherein an inner core mechanism 2 for abutting and sealing is arranged in the middle of the inner side of the main body valve 1, the control mechanism 3 for opening and closing is arranged above the inner side of the main body valve 1, the inner core mechanism 2 comprises a ball valve core 201 and lateral bases 202, lateral bases 202 are arranged in the middle of two sides of the ball valve core 201, the control mechanism 3 comprises a valve rod 301 and a speed reduction box 302, the input end of the valve rod 301 is provided with the speed reduction box 302, the control mechanism 3 further comprises a sealing sleeve 303 and a supporting spring 304, the sealing sleeve 303 is arranged in the middle of the outer side of the valve rod 301, the middle of the inner side of the sealing sleeve 303 is connected with the supporting spring 304, the contact seat with elastic expansion capacity can be elastically abutted when the ball valve core 201 rotates, so that the sealing capacity of the valve core is improved, a servo motor is arranged in the inner side of the speed reduction box 302, the valve rod 201 can be accurately controlled to rotate so as to drive the opening and closing of the ball valve core 301, the sealing sleeve 303 and the sealing performance between the main body 301 and the valve rod 1 can be prevented from being deformed due to the fact that the sealing performance between the sealing sleeve 303 and the valve core is deformed due to long time;

as shown in fig. 1-3, the other side of the main body valve 1 is provided with a flowmeter 4, one side of the inside of the flowmeter 4 is provided with a non-return mechanism 5 for preventing backflow, the non-return mechanism 5 comprises a rotary valve cover 501 and a connecting spring 502, one side above the rotary valve cover 501 is connected with the connecting spring 502, the non-return mechanism 5 further comprises a limiting block 503, the limiting block 503 is arranged on one side below the rotary valve cover 501, the rotary valve cover 501 is elastically connected with the flowmeter 4 through the connecting spring 502, the limiting block 503 is fixedly connected with the flowmeter 4, through the flowmeter 4, the flow of the main body valve 1 can be accurately monitored, so that the valve core 201 is controlled to be closed by transmitting an electric signal into the speed reduction box 302 when the flow reaches the requirement, so that the purpose of quantitative control can be achieved through the rotary valve cover 501, the connecting spring 502 can be utilized to pull back to be in contact with the limiting block 503 when the flow stops, thereby one-way sealing can be carried out at the flow opening, the liquid backflow is avoided to influence the accuracy of quantitative control, one side of the inside of the main body valve 1 is provided with the protection mechanism 6 used for corrosion resistance and oxidation resistance, the protection mechanism 6 comprises the inner valve sleeve 601, the extending end 602, the compression cavity 603 and the outer plating layer 604, the inner valve sleeve 601 is arranged at two sides of the inside of the main body valve 1, the inner valve sleeve 601 is jointed with the main body valve 1, the extending end 602 is fixed at the front end of the inner valve sleeve 601, the compression cavity 603 is arranged at the middle part of the outside of the inner valve sleeve 601, the outer plating layer 604 is fixed on the outer surface of the main body valve 1, the outer plating layer 604 is jointed with the main body valve 1, the inner valve sleeve 601 is made of butyl rubber material through the inner valve sleeve 601, the outer surface of the inner valve sleeve 601 is tightly jointed with the inner wall of the main body valve 1, therefore, the butyl rubber can be directly contacted with the inner valve sleeve 601 during liquid circulation, and the oxidation corrosion of the circulating liquid to the inside of the main body valve 1 can be greatly reduced due to the strong oxidation resistance and strong corrosion resistance of the butyl rubber, the inner valve sleeve 601 has a certain compression capacity through the compression cavity 603, so that when the liquid circulates in a cold-hot mode, the corresponding deformation can be made, the deformation of the main body valve 1 is reduced, the outer plating 604 can be a galvanized and other corrosion-resistant plating, the outer surface of the main body valve 1 can be protected, and the service life of the ball valve can be effectively prolonged after the inner and outer protection of the main body valve 1.

Working principle: as shown in fig. 1-4, in using the ball valve, firstly, through the lateral base 202, which is a contact seat with elastic expansion capability, elastic interference can be performed when the ball valve core 201 rotates, so as to be beneficial to improving the sealing capability of the valve core, then, through the reduction box 302, a servo-property motor is arranged in the reduction box, the valve rod 301 can be precisely controlled to rotate, so as to drive the ball valve core 201 to open and close, then, through the sealing sleeve 303 and the supporting spring 304, the tightness between the valve rod 301 and the sealing sleeve 303 and the main valve 1 can be realized by utilizing elastic force, at the moment, through the inner valve sleeve 601, which is made of butyl rubber, the outer surface of the inner valve sleeve 601 is tightly attached to the inner wall of the main valve 1, so that the inner valve sleeve 601 can be directly contacted when liquid circulates, then through compression chamber 603, it makes interior valve cover 601 have certain compressibility, thereby when the liquid takes place the circulation of cold and hot, can make corresponding deformation, then through outer cladding 604, it can be corrosion-resistant cladding such as galvanization, can form the protection to the surface of main part valve 1, at this moment, through flowmeter 4, it can carry out accurate monitoring to the volume that main part valve 1 circulated, thereby cooperate with the reducing box 302, when the flow reaches the requirement, with electric signal transmission in the reducing box 302 come control ball case 201 closure, with this purpose that can reach quantitative control, finally through rotating valve gap 501, can utilize connecting spring 502 to draw back and stopper 503 conflict when the flow stops, thereby can carry out unidirectional sealing to the flow opening department, avoid the liquid backward flow.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a but quantitative control and oxidation prevention's spheroid valve, includes main part valve (1) and control mechanism (3), its characterized in that, the inboard middle part of main part valve (1) is provided with inner core mechanism (2) that are used for contradicting sealedly, is used for opening and close control mechanism (3) set up in the inside top of main part valve (1), the inside one side of main part valve (1) is provided with protection machanism (6) that are used for corrosion-resistant oxidation prevention, and protection machanism (6) including inner valve cover (601), extension end (602), compression chamber (603) and overplate (604), inner valve cover (601) are installed in the inside both sides of main part valve (1), and inner valve cover (601) laminating mutually with main part valve (1), the front end of inner valve cover (601) is fixed with extension end (602), compression chamber (603) are seted up at the outside middle part of inner valve cover (601), and compression chamber (603) are the ring form, the surface fixation of main part valve (1) has overplate (604) and the laminating mutually with main part valve (1).

2. The quantitatively-controllable and oxidation-preventing ball valve according to claim 1, wherein the inner core mechanism (2) comprises a ball valve core (201) and lateral bases (202), and lateral bases (202) are arranged in the middle of two sides of the ball valve core (201).

3. A quantitatively controllable and oxidation-resistant ball valve according to claim 1, characterized in that the control mechanism (3) comprises a valve stem (301) and a reduction box (302), the input end of the valve stem (301) being provided with the reduction box (302).

4. A quantitatively controllable and oxidation-resistant ball valve according to claim 3, characterized in that the control mechanism (3) further comprises a sealing sleeve (303) and a supporting spring (304), the sealing sleeve (303) is arranged in the middle of the outer side of the valve rod (301), and the supporting spring (304) is connected in the middle of the inner side of the sealing sleeve (303).

5. The quantitatively-controllable and oxidation-preventing ball valve according to claim 1, wherein a flowmeter (4) is installed at the other side of the main body valve (1), and a non-return mechanism (5) for preventing reverse flow is provided at one side of the inside of the flowmeter (4).

6. The quantitatively-controllable and oxidation-preventing ball valve according to claim 5, wherein the non-return mechanism (5) comprises a rotary valve cover (501) and a connecting spring (502), and the connecting spring (502) is connected to one side above the rotary valve cover (501).

7. The quantitatively-controllable and oxidation-preventing ball valve according to claim 6, wherein the non-return mechanism (5) further comprises a stopper (503), and the stopper (503) is disposed at a lower side of the rotary valve cover (501).

8. The quantitatively-controllable and oxidation-resistant ball valve according to claim 7, wherein the rotary valve cover (501) is elastically connected with the flowmeter (4) through a connecting spring (502), and the limiting block (503) is fixedly connected with the flowmeter (4).