CN220622813U - Ball valve with double seal valve seat - Google Patents
Ball valve with double seal valve seat Download PDFInfo
- Publication number
- CN220622813U CN220622813U CN202322306437.5U CN202322306437U CN220622813U CN 220622813 U CN220622813 U CN 220622813U CN 202322306437 U CN202322306437 U CN 202322306437U CN 220622813 U CN220622813 U CN 220622813U
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- valve
- valve seat
- ball
- seal
- seat
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- 210000003437 trachea Anatomy 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a ball valve with a double-seal valve seat, which comprises a valve seat, a ball body, a valve rod, an annular seal groove, a rubber seal ring and an air pipe, wherein the rubber seal ring is of a hollow structure, the ball body is arranged in the valve seat, the valve rod is fixedly connected to the top of the ball body, the top of the valve rod is penetrated through the valve seat, the annular seal groove is respectively arranged on the peripheries of through holes at two ends of the ball body, and the rubber seal ring is sleeved in the annular seal groove. The ball valve is provided for a valve user, the ball valve is provided with a valve seat with a double-sealing structure, the pressurizing and inflating assembly is arranged on the valve seat, the hollow cavity in the rubber sealing ring is inflated through pressurizing and inflating, and the rubber sealing ring is inflated, so that during the rotation and sealing process of the ball body and the valve seat, the inflated rubber sealing ring can seal the inner cavity of the valve seat and the area of the end part of the ball body for the second time, the sealing performance of the closed ball valve can be greatly improved, and the circulation of media can be better blocked.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a ball valve with a double-seal valve seat.
Background
The ball valve is a common shutoff tool in the current medium circulation pipeline and equipment, the tightness of the ball valve has a certain influence on the circulation sealing of the medium and the service life of the valve, the sealing performance is poor, the medium can leak or leak, and the normal fluid control is influenced;
the sealing of the existing ball valve mainly depends on the inner cavity of the valve seat and the ball body, and the gap between the valve seat and the ball body is larger, so that the medium is easy to overflow out after the ball valve is closed, and the control of the medium fluid is not facilitated;
based on the existing ball valve, the following defects exist: the problem that the gap of the contact surface is enlarged and the sealing performance of the closed ball valve is affected due to the long-term repeated rotary friction between the inner cavity of the valve seat and the ball body of the existing ball valve. To this end we propose a ball valve with a double seal valve seat.
Disclosure of Invention
The utility model mainly aims to provide a ball valve with a double-sealing valve seat, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a ball valve with dual seal disk seat, includes disk seat, spheroid and valve rod, still includes annular seal recess, rubber seal and trachea, rubber seal is hollow structure, the spheroid sets up in the disk seat, valve rod fixed connection is at the spheroid top, the valve rod top is penetrated to the disk seat and is established, annular seal recess is offered to the periphery of spheroid both ends opening respectively, the rubber seal snare is located in the annular seal recess.
Further, the air duct is arranged on one side in the annular sealing groove, the air inlet ends of the rubber sealing rings are respectively fixedly connected with the air duct, the air duct is communicated with the hollow cavity in the rubber sealing rings, the arc-shaped groove is arranged on one side of the middle part of the valve rod, the end part of the air duct penetrates through the arc-shaped groove, an air pipe is arranged on one side of the arc-shaped groove, and one end of the air pipe is fixedly connected with the air duct.
Further, an air pump is mounted on one side of the valve seat through a bolt, the exhaust end of the air pump is connected with the other end of the air pipe, and an electromagnetic valve is mounted on the exhaust end of the air pump.
Further, the bottom of the ball body is rotationally connected with the bottom in the valve seat through a bearing, and the valve rod is rotationally connected with the top in the valve seat through a bearing.
Further, a servo motor is fixedly arranged at the top of the valve seat, and the driving end of the servo motor is fixedly connected with the top of the valve rod.
Compared with the prior art, the utility model has the following beneficial effects: through disk seat, spheroid, valve rod, draw together the subassembly that annular seal recess, rubber seal and trachea are constituteed, realize providing the ball valve that one set had double containment structure disk seat for the valve user, through set up the pressurization subassembly of aerifing on the disk seat, aerify the cavity in the rubber seal through the pressurization, make rubber seal obtain the inflation, thereby in the rotatory closed sealed period of spheroid and disk seat, the region of disk seat inner chamber and spheroid tip can be sealed by the second way to the rubber seal of inflation, can improve the leakproofness performance after the ball valve is closed greatly, the circulation of blocking medium that can be better, because of the many times rotatory friction for a long time between disk seat inner chamber and the spheroid of current ball valve, the space that leads to the contact surface becomes big, influence the problem of the sealing performance after the ball valve is closed.
Drawings
FIG. 1 is a schematic view of the overall structure of a ball valve with a double seal valve seat according to the present utility model.
Fig. 2 is a schematic diagram of a ball structure of a ball valve with a double-seal valve seat according to the present utility model.
Fig. 3 is an enlarged schematic view of fig. 2 a of a ball valve having a double seal valve seat according to the present utility model.
In the figure: 100. a valve seat; 200. a sphere; 300. a valve stem; 400. an annular seal groove; 500. a rubber seal ring; 600. an air passage; 800. an arc-shaped groove; 900. an air pipe; 110. an air pump; 120. a servo motor.
Description of the embodiments
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a ball valve with double seal valve seat comprises a valve seat 100, a ball 200, a valve rod 300, an annular seal groove 400, a rubber seal 500 and an air pipe 900, wherein the rubber seal 500 is of a hollow structure, the ball 200 is arranged in the valve seat 100, the valve rod 300 is fixedly connected to the top of the ball 200, the top of the valve rod 300 is inserted into the valve seat 100, the annular seal groove 400 is respectively arranged at the periphery of through holes at two ends of the ball 200, and the rubber seal 500 is sleeved in the annular seal groove 400.
An air passage 600 is formed in one side of the annular sealing groove 400, the air inlet ends of the rubber sealing rings 500 are respectively and fixedly connected with the air passage 600, the air passage 600 is communicated with a hollow cavity in the rubber sealing rings 500, an arc-shaped groove 800 is formed in one side of the middle of the valve rod 300, the end part of the air passage 600 penetrates through the arc-shaped groove 800, an air pipe 900 is arranged on one side of the arc-shaped groove 800, and one end of the air pipe 900 is fixedly connected with the air passage 600; the arc-shaped groove 800 may provide the air pipe 900 with a certain accommodation space.
The air pump 110 is mounted on one side of the valve seat 100 through bolts, the air exhaust end of the air pump 110 is connected with the other end of the air pipe 900, and an electromagnetic valve is mounted on the air exhaust end of the air pump 110.
The bottom of the ball 200 is rotatably connected with the bottom inside the valve seat 100 through a bearing, and the valve rod 300 is rotatably connected with the top inside the valve seat 100 through a bearing.
The top of the valve seat 100 is fixedly provided with a servo motor 120, and the driving end of the servo motor 120 is fixedly connected with the top of the valve rod 300.
It should be noted that, when the ball valve with a dual seal valve seat is in operation, the valve seat 100 is respectively installed on a conveying pipeline or equipment to be controlled to circulate medium, and power supply components around a use site are used to provide power for an electrical mechanism in the application, during use, when the medium needs to be kept to circulate, the servo motor 120 drives the valve rod 300 to drive the ball 200 to rotate, the direction of the through hole of the ball 200 is kept consistent with the direction of the through hole of the valve seat 100, the medium can effectively circulate through the valve seat 100, when the medium needs to circulate and shut off, the servo motor 120 rotates the valve rod 300, the direction of the through hole of the ball 200 keeps perpendicular to the direction of the through hole of the valve seat 100, so that the medium can not circulate through the ball 200, primary sealing is realized, then the air is exhausted through the air pipe 900 by the air pump 110, and the air enters the rubber seal 500 through the air channel 600, and then the rubber seal 500 is compressed and expanded between the periphery of the through hole of the ball 200 and the inner cavity of the valve seat 100, so as to realize secondary sealing, after the air pump 110 is inflated, the air pump 110 is closed, the rubber seal valve seat 100 can be opened, the ball valve 200 can be opened, the sealing valve can be opened, the sealing device can be opened, the ball valve can be closed and the sealing valve can be closed, and the ball valve can be closed and sealed by using the sealing valve can be closed, and the sealing valve can be closed for sealing valve can be closed, and sealing valve can be closed.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a ball valve with double seal disk seat, includes disk seat (100), spheroid (200) and valve rod (300), its characterized in that still includes annular seal recess (400), rubber seal (500) and trachea (900), rubber seal (500) are hollow structure, spheroid (200) set up in disk seat (100), valve rod (300) fixed connection is in spheroid (200) top, valve rod (300) top runs through to disk seat (100) and inserts and establish, annular seal recess (400) are offered to the periphery of spheroid (200) both ends opening respectively, rubber seal (500) cover is located in annular seal recess (400).
2. A ball valve having a double-seal valve seat as defined in claim 1 wherein: one side has seted up air vent (600) in annular seal recess (400), rubber seal (500) inlet end respectively with air vent (600) fixed connection, air vent (600) communicate with each other with the cavity in rubber seal (500), arc recess (800) have been seted up to valve rod (300) middle part one side, the tip of air vent (600) link up to in arc recess (800), arc recess (800) one side is provided with trachea (900), trachea (900) one end and air vent (600) fixed connection.
3. A ball valve having a double-seal valve seat as defined in claim 1 wherein: an air pump (110) is installed on one side of the valve seat (100) through a bolt, the exhaust end of the air pump (110) is connected with the other end of the air pipe (900), and an electromagnetic valve is assembled on the exhaust end of the air pump (110).
4. A ball valve having a double-seal valve seat as defined in claim 1 wherein: the bottom of the ball body (200) is rotatably connected with the inner bottom of the valve seat (100) through a bearing, and the valve rod (300) is rotatably connected with the inner top of the valve seat (100) through a bearing.
5. A ball valve having a double-seal valve seat as defined in claim 1 wherein: the top of the valve seat (100) is fixedly provided with a servo motor (120), and the driving end of the servo motor (120) is fixedly connected with the top of the valve rod (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306437.5U CN220622813U (en) | 2023-08-28 | 2023-08-28 | Ball valve with double seal valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306437.5U CN220622813U (en) | 2023-08-28 | 2023-08-28 | Ball valve with double seal valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622813U true CN220622813U (en) | 2024-03-19 |
Family
ID=90221649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322306437.5U Active CN220622813U (en) | 2023-08-28 | 2023-08-28 | Ball valve with double seal valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622813U (en) |
-
2023
- 2023-08-28 CN CN202322306437.5U patent/CN220622813U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |