CN111692387A - Duplex ball valve with non-return function - Google Patents
Duplex ball valve with non-return function Download PDFInfo
- Publication number
- CN111692387A CN111692387A CN202010709399.6A CN202010709399A CN111692387A CN 111692387 A CN111692387 A CN 111692387A CN 202010709399 A CN202010709399 A CN 202010709399A CN 111692387 A CN111692387 A CN 111692387A
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- Prior art keywords
- valve
- ball
- ball valve
- double
- check
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/184—Combined check valves and actuated valves
- F16K15/1848—Check valves combined with valves having a rotating tap or cock
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/105—Three-way check or safety valves with two or more closure members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a duplex ball valve with a non-return function, which comprises a double-ball valve body, wherein a first valve rod is arranged at the top of the double-ball valve body, a first ball body is arranged at the bottom of the first valve rod, a second valve rod is arranged at the top of the double-ball valve body and positioned on the left side of the first valve rod, a second ball body is arranged at the bottom of the second valve rod, a left mounting groove is formed in one end of the double-ball valve body, a left valve seat supporting ring is arranged inside the left mounting groove, a right mounting groove is formed in one end, far away from the left mounting groove, of the double-ball valve body, a right valve seat supporting ring is arranged inside the right mounting groove, a non-return valve clack is fixedly connected to the side wall of the right valve seat supporting ring through a non-return auxiliary spring. The invention has the advantages of safety, reliability, long service life, economy and reasonability.
Description
Technical Field
The invention relates to the field of ball valves, in particular to a duplex ball valve with a non-return function.
Background
The ball valve, the opening and closing piece (ball) is driven by the 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 media, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the surfacing 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.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a duplex ball valve with a check function.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a take pair ball valve of non return function, includes the two ball valve bodies, the top of two ball valve bodies is provided with first valve rod, the bottom of first valve rod is provided with first spheroid, the top of two ball valve bodies and the left side that is located first valve rod are provided with the second valve rod, the bottom of second valve rod is provided with the second spheroid, the one end of two ball valve bodies is provided with left mounting groove, the inside of left mounting groove is provided with left disk seat backup ring, the one end that left mounting groove was kept away from to two ball valve bodies is provided with right mounting groove, the inside of right mounting groove is provided with right disk seat backup ring, the lateral wall of right disk seat backup ring passes through non return auxiliary spring fixedly connected with non return valve clack, non return auxiliary spring and non return valve clack's surface is provided with the non.
As a further description of the above technical solution:
the inside of two ball valve bodies and the both sides that are located first spheroid all are equipped with first disk seat, the inside of two ball valve bodies and the both sides that are located the second spheroid all are equipped with the second disk seat.
As a further description of the above technical solution:
the top of first valve rod is provided with first handle, the top of second valve rod is provided with the second handle.
As a further description of the above technical solution:
the inside of two ball valve bodies is provided with first passageway, the inside of non return valve body is provided with the second passageway.
As a further description of the above technical solution:
the bottom of the double-ball valve body is provided with a sewage drainage plug screw, and the side wall of the double-ball valve body is provided with a needle valve.
As a further description of the above technical solution:
the surface of the double-ball valve body is provided with a first connecting end, and the surface of the check valve body is provided with a second connecting end.
The invention has the following beneficial effects:
1. compared with the prior art, the duplex ball valve with the non-return function comprises a double-ball valve body, a first ball body, a second ball body, a pair of first valve seats, a pair of second valve seats, a non-return valve clack and a non-return auxiliary spring, wherein the double-ball valve body and the non-return valve body are combined together, when a medium flows, the first ball body and the second ball body play a double-shutoff and double-insurance role, namely, when the sealing of one ball body fails, the other ball body plays a shutoff role, and also can be kept in an open state for a long time in use, only the other ball body is used for opening and closing, and the service life of the whole device or a pipeline is prolonged.
2. Compared with the prior art, the duplex ball valve with the non-return function has the advantages that when the medium flows backwards, the non-return auxiliary spring and the acting force of the medium force the non-return valve clack to be closed, the medium is prevented from flowing backwards into the equipment, and the non-return safety function is achieved.
3. Compared with the prior art, the duplex ball valve with the non-return function has multiple characteristics of double cutting, double insurance and non-return safety. The pipeline ball valve replaces the situation that two ball valves and one check valve are installed in series on a pipeline, and has the characteristics of smaller space, more economy and reasonableness.
Drawings
FIG. 1 is a front view of the internal structure of a duplex ball valve with a non-return function according to the present invention;
FIG. 2 is a top view of a duplex ball valve with a check function according to the present invention;
fig. 3 is a schematic cross-sectional view of a duplex ball valve with a check function according to the present invention.
Illustration of the drawings:
1. a double ball valve body; 2. a first valve stem; 3. a first sphere; 4. a second valve stem; 5. a second sphere; 6. a left mounting groove; 7. a left seat backup ring; 8. a right mounting groove; 9. a right seat support ring; 10. a non-return auxiliary spring; 11. a check valve flap; 12. a check valve body; 13. a first valve seat; 14. a second valve seat; 15. a first handle; 16. a second handle; 17. a first channel; 18. a second channel; 19. a blow-off plug screw; 20. a needle valve; 21. a first connection end; 22. a second connection end.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the invention provides a duplex ball valve with a check function: including two ball valve bodies 1, the top of two ball valve bodies 1 is provided with first valve rod 2, the bottom of first valve rod 2 is provided with first spheroid 3, play the switching action, the top of two ball valve bodies 1 and the left side that is located first valve rod 2 are provided with second valve rod 4, the bottom of second valve rod 4 is provided with second spheroid 5, play the switching action, the one end of two ball valve bodies 1 is provided with left mounting groove 6, the inside of left mounting groove 6 is provided with left disk seat backup ring 7, the one end that left mounting groove 6 was kept away from to two ball valve bodies 1 is provided with right mounting groove 8, the inside of right mounting groove 8 is provided with right disk seat backup ring 9, the lateral wall of right disk seat backup ring 9 passes through non return auxiliary spring 10 fixedly connected with check valve clack 11, the surface of non return auxiliary spring 10 and check valve clack 11 is provided with non return valve.
The inside of the double-ball valve body 1 and the two sides of the first ball body 3 are both provided with a first valve seat 13, the inside of the double-ball valve body 1 and the two sides of the second ball body 5 are both provided with a second valve seat 14, the top of the first valve rod 2 is provided with a first handle 15 which controls the first valve rod 2 to rotate so as to enable the first ball body 3 to rotate and realize the on-off function, the top of the second valve rod 4 is provided with a second handle 16 which controls the second valve rod 4 to rotate so as to enable the second ball body 5 to rotate and realize the on-off function, the inside of the double-ball valve body 1 is provided with a first channel 17 for medium to pass through, the inside of the check valve body 12 is provided with a second channel 18 for medium to pass through, the bottom of the double-ball valve body 1 is provided with a sewage discharge screw plug 19 for sewage discharge in the double-ball valve body 1, the side wall of the double-ball valve body, the surface of the check valve body 12 is provided with a second connection end 22, and the device is installed through the first connection end 21 and the second connection end 22.
The working principle is as follows: the valve consists of a double-ball valve body 1, a first ball body 3, a second ball body 5, a pair of first valve seats 13, a pair of second valve seats 14, a check valve clack 11 and a check auxiliary spring 10, wherein the double-ball valve body 1 and a check valve body 12 are combined together, when a medium flows, the first ball body 3 and the second ball body 5 play a double-shutoff and double-insurance role, namely, when the sealing of one ball body fails, the other ball body plays a shutoff role, and also can be used for keeping any one of the ball bodies in an open state for a long time, and only the other one of the ball bodies is used for opening and closing, so that the service life of the whole device or pipeline is prolonged.
When the medium flows back, the acting force of the non-return auxiliary spring 10 and the medium forces the non-return valve clack 11 to close, so that the medium is prevented from flowing back into the equipment, and the non-return safety function is achieved.
Finally, it should be noted that: 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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a take pair ball valve of non return function, includes two ball valve bodies (1), its characterized in that: a first valve rod (2) is arranged at the top of the double-ball valve body (1), a first ball body (3) is arranged at the bottom of the first valve rod (2), a second valve rod (4) is arranged at the top of the double-ball valve body (1) and on the left side of the first valve rod (2), a second ball body (5) is arranged at the bottom of the second valve rod (4), a left mounting groove (6) is arranged at one end of the double-ball valve body (1), a left valve seat supporting ring (7) is arranged in the left mounting groove (6), one end of the double-ball valve body (1) far away from the left mounting groove (6) is provided with a right mounting groove (8), a right valve seat supporting ring (9) is arranged in the right mounting groove (8), the side wall of the right valve seat supporting ring (9) is fixedly connected with a check valve clack (11) through a check auxiliary spring (10), and check valve bodies (12) are arranged on the surfaces of the check auxiliary spring (10) and the check valve clack (11).
2. The duplex ball valve with the check function according to claim 1, wherein: the double-ball valve is characterized in that first valve seats (13) are arranged in the double-ball valve body (1) and on two sides of the first ball body (3), and second valve seats (14) are arranged in the double-ball valve body (1) and on two sides of the second ball body (5).
3. The duplex ball valve with the check function according to claim 1, wherein: the top of first valve rod (2) is provided with first handle (15), the top of second valve rod (4) is provided with second handle (16).
4. The duplex ball valve with the check function according to claim 1, wherein: a first channel (17) is arranged inside the double-ball valve body (1), and a second channel (18) is arranged inside the check valve body (12).
5. The duplex ball valve with the check function according to claim 1, wherein: the bottom of the double-ball valve body (1) is provided with a sewage drainage plug screw (19), and the side wall of the double-ball valve body (1) is provided with a needle valve (20).
6. The duplex ball valve with the check function according to claim 1, wherein: the surface of the double-ball valve body (1) is provided with a first connecting end (21), and the surface of the check valve body (12) is provided with a second connecting end (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709399.6A CN111692387A (en) | 2020-07-22 | 2020-07-22 | Duplex ball valve with non-return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709399.6A CN111692387A (en) | 2020-07-22 | 2020-07-22 | Duplex ball valve with non-return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692387A true CN111692387A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010709399.6A Pending CN111692387A (en) | 2020-07-22 | 2020-07-22 | Duplex ball valve with non-return function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692387A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296549A (en) * | 2020-12-18 | 2021-02-02 | 安徽齐力不锈钢制品有限公司 | Machining process of intelligent ball valve |
-
2020
- 2020-07-22 CN CN202010709399.6A patent/CN111692387A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296549A (en) * | 2020-12-18 | 2021-02-02 | 安徽齐力不锈钢制品有限公司 | Machining process of intelligent ball valve |
| CN112296549B (en) * | 2020-12-18 | 2022-01-14 | 安徽齐力不锈钢制品有限公司 | Machining process of intelligent ball valve |
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