CN216045571U - Multiple seal structure of ball valve disk seat - Google Patents
Multiple seal structure of ball valve disk seat Download PDFInfo
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- CN216045571U CN216045571U CN202122432043.5U CN202122432043U CN216045571U CN 216045571 U CN216045571 U CN 216045571U CN 202122432043 U CN202122432043 U CN 202122432043U CN 216045571 U CN216045571 U CN 216045571U
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Abstract
The utility model discloses a multiple sealing structure of a ball valve seat, which comprises a valve seat ring and a ball body, wherein the ball body is arranged at one side of the valve seat ring, the plastic sealing ring is arranged at the middle position of the ball body and the valve seat ring, the multiple sealing structure of the valve seat of the ball valve well combines three sealing forms of rubber, plastic and metal, changes the sealing form of a single valve seat, improves the sealing property of the ball valve to the maximum extent, and is improved and innovated on the basis of the existing ball valve, the humidity sensor is arranged inside the multiple sealing structure of the ball valve seat, so that an external operator can observe the humidity inside the valve cover through the display in real time, if the humidity inside the valve cover abnormally fluctuates, the sealing structure inside the ball valve is damaged, at this moment, the ball valve can be overhauled or replaced, so that the problem that the leakage and the damage can not be found in time inside the ball valve is avoided.
Description
Technical Field
The utility model belongs to the technical field of ball valves, and particularly relates to a multiple sealing structure of a ball valve seat.
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 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 prior ball valve sealing structure technology has the following problems: the existing ball valve sealing structure has certain defects in actual application, the existing sealing between the ball and the valve seat of most of fixed ball valves is only sealed, and the valve seat slides and rubs on the ball body in the opening and closing process of the ball valve, so that the sealing surface of the ball and the valve seat is easily scratched, the valve is leaked, the service life of the ball valve is short, the practicability is low, and when slight leakage occurs, an operator does not carefully observe the ball valve and hardly observes the ball valve from the appearance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multiple sealing structure of a ball valve seat, which solves the problems that the existing ball valve sealing structure proposed in the background technology has certain defects in practical application, the sealing between the ball and the valve seat of most existing fixed ball valves is only sealed, and the valve seat slides and rubs on the ball body in the opening and closing process of the ball valve, so that the sealing surface of the ball and the valve seat is easily scratched, the valve is leaked, the service life of the ball valve is short, the practicability is low, and when slight leakage occurs, an operator does not carefully observe the ball valve, and the ball valve is difficult to observe from the appearance.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multiple seal structure of ball valve disk seat, includes valve seat circle, spheroid, plastic seal ring, rubber triangle circle, metal hardening coating, disk seat spring, fire prevention sealing, O shape circle and valve gap, one side position department of valve seat circle is provided with the spheroid, the intermediate position department of spheroid and valve seat circle is provided with the plastic seal ring, the centre of spheroid and valve seat circle just is located plastic seal ring one side position department and is provided with the rubber triangle circle, one side position department that spheroidal one side position was kept away from to the valve seat circle is provided with the valve gap, the intermediate position department of valve seat circle and valve gap is provided with O shape circle, the centre of valve seat circle and valve gap just is located one side position department of O shape circle and is provided with the fire prevention sealing, the inside embedded humidity transducer that is provided with of valve gap.
Preferably, a metal hardening coating is arranged on the outer wall of the valve seat ring, and the metal hardening coating is manufactured in a spraying or welding mode.
Preferably, the rubber triangular ring and the ball body are in a fit sealing state under the normal condition of the valve.
Preferably, the valve cover is provided with a spring groove inside, and the valve seat spring is located inside the spring groove.
Preferably, the humidity sensor is connected with an external display through a data line, the display is embedded to be arranged on the outer surface of the valve cover, an electronic power supply is arranged on the inner position of the back surface of the display, and the humidity sensor and the display are both electrically connected with the electronic power supply.
Compared with the prior art of fixed ball valves, the utility model provides a multiple sealing structure of a ball valve seat, which has the following beneficial effects:
1. the utility model improves and innovates on the basis of the existing ball valve, so that the ball valve has good practical performance and high sealing performance in the application of actual petrochemical engineering work, the multiple sealing structure of the ball valve seat mainly comprises a valve seat ring, a ball body, a plastic sealing ring, a rubber triangular ring, a metal hardened coating, a valve seat spring, a fireproof seal, an O-shaped ring, a valve cover and the like, the multiple sealing structure of the ball valve seat well combines three sealing forms of rubber, plastic and metal together, changes the form of single valve seat seal, changes the valve seat structure, respectively uses the rubber, the plastic and the metal as sealing surfaces for sealing, when the rubber fails, the plastic can replace the rubber for sealing, when the rubber and the plastic fail, the metal can replace the rubber and the plastic for sealing, thereby greatly prolonging the service life of the ball valve, the problem of current disk seat seal only a simple sealed form, as long as sealed face damages, the valve just can not be used is solved.
2. The utility model is improved and innovated on the basis of the existing ball valve, the humidity sensor is arranged in the multi-sealing structure of the valve seat of the ball valve, the humidity sensor is connected with an external display through a data line, and the display is arranged at the position of the outer surface of the valve cover in an embedded manner, so that the humidity sensor can monitor the humidity in the valve cover in real time and display the humidity on the display, an external operator can observe the humidity in the valve cover through the display in real time, if the humidity in the valve cover abnormally fluctuates, the sealing structure in the ball valve is damaged, and the ball valve can be overhauled or replaced, thereby avoiding the problem that the leakage and the damage in the ball valve cannot be found in time, and improving the service performance of the ball valve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
fig. 1 is a schematic view of an internal planar structure of a multiple sealing structure of a ball valve seat according to the present invention;
FIG. 2 is a schematic view of the plastic sealing ring assembly according to the present invention;
FIG. 3 is a schematic view of a valve seat spring assembly according to the present invention;
in the figure: 1. a valve seat ring; 2. a sphere; 3. a plastic sealing ring; 4. a rubber triangular ring; 5. a metal-hardening coating; 6. a valve seat spring; 7. fireproof sealing; 8. an O-shaped ring; 9. a valve cover; 10. a humidity sensor.
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.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: a multiple sealing structure of a ball valve seat comprises a valve seat ring 1, a ball body 2, a plastic sealing ring 3, a rubber triangular ring 4, a metal hardened coating 5, a valve seat spring 6, a fireproof seal 7, an O-shaped ring 8 and a valve cover 9, wherein the ball body 2 is arranged at one side position of the valve seat ring 1, the plastic sealing ring 3 is arranged at the middle position of the ball body 2 and the valve seat ring 1, the rubber triangular ring 4 is arranged at the middle position of the ball body 2 and the valve seat ring 1 and is positioned at one side position of the plastic sealing ring 3, the valve cover 9 is arranged at one side position of the valve seat ring 1 far away from the ball body 2, the O-shaped ring 8 is arranged at the middle position of the valve seat ring 1 and the valve cover 9 and is positioned at one side position of the O-shaped ring 8, the fireproof seal 7 is arranged at the middle position of the valve seat ring 1 and the valve cover 9 and is positioned at one side position of the fireproof seal 7, the valve seat spring 6 is arranged in an embedded manner in the valve cover 9, and is provided with a humidity sensor 10, the outer wall of the valve seat ring 1 is provided with a metal hardened coating 5, the metal hardened coating 5 is manufactured by adopting a spraying or spray welding mode, the rubber triangular ring 4 and the ball body 2 are in a joint sealing state under the normal condition of the valve, the inside of the valve cover 9 is provided with a spring groove, the valve seat spring 6 is positioned in the spring groove, the three sealing modes of rubber, plastic and metal are well combined together, the sealing mode of a single valve seat is changed, the structure of the valve seat is changed, the rubber, the plastic and the metal are respectively used as sealing surfaces for sealing, when the rubber fails, the plastic can replace the rubber for sealing, when the rubber and the plastic both fail, the metal can replace the rubber and the plastic for sealing, therefore, the service life of the ball valve is greatly prolonged, and the problem that the existing valve seat is only sealed in a single sealing mode, and the valve cannot be used as long as the sealing surface is damaged is solved.
Example two:
referring to fig. 1, the present invention provides a technical solution: a multiple sealing structure of a ball valve seat is disclosed, wherein a humidity sensor 10 is embedded in a valve cover 9, the humidity sensor 10 is connected with an external display through a data line, the display is embedded in the outer surface of the valve cover 9, an electronic power supply is arranged in the inner position of the back surface of the display, and the humidity sensor 10 and the display are both electrically connected with the electronic power supply, the humidity sensor 10 in the technical document adopts the existing small sensor, and the humidity sensor 10 is a known open technology, so that the humidity sensor 10 can monitor the humidity in the valve cover 9 in real time without much description in the technical document, and display is performed on the display, so that an external operator can observe the humidity in the valve cover 9 through the display in real time, and if the humidity in the valve cover 9 fluctuates abnormally, the damage of the sealing structure in the ball valve is indicated, at this moment, the ball valve can be overhauled or replaced, so that the problem that the leakage and the damage can not be found in time inside the ball valve is avoided.
The working principle and the using process of the utility model are as follows: after the installation of the utility model, when the multi-seal structure of the ball valve seat is utilized to work, the metal hardened coating 5 is sprayed or welded on the valve seat ring 1, the rubber triangular ring 4 and the plastic seal ring 3 are inserted into the valve seat ring 1, the fireproof seal 7 and the O-shaped ring 8 are arranged in the valve seat ring 1, the valve seat spring 6 is arranged in the valve cover 9, the valve seat ring 1 is arranged in the valve cover 9, the rubber triangular ring 4 is jointed and sealed with the ball body 2 under the normal condition of the valve, when the rubber triangular ring 4 is damaged, the valve seat can push the plastic seal ring 3 to the ball body 2 under the action of the medium pressure and the valve seat spring 6 to realize the seal, when the rubber triangular ring 4 and the plastic seal ring 3 are damaged or burnt, the metal hardened coating 5 can be jointed to the ball body 2 under the action of the medium pressure and the valve seat spring 6 to realize the metal seal, the O-shaped ring 8 is used for the seal between the valve seat ring 1 and the valve cover 9, when the O-shaped ring 8 is damaged or burnt out, the fireproof seal 7 can realize sealing, so that the service life of the ball valve is greatly prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a multiple seal structure of ball valve disk seat, includes valve seat circle (1), spheroid (2), plastic seal ring (3), rubber triangle circle (4), metal hardening coating (5), disk seat spring (6), fire prevention is sealed (7), O shape circle (8) and valve gap (9), its characterized in that: a ball body (2) is arranged at one side of the valve seat ring (1), a plastic sealing ring (3) is arranged at the middle position of the ball body (2) and the valve seat ring (1), a rubber triangular ring (4) is arranged between the ball body (2) and the valve seat ring (1) and at one side of the plastic sealing ring (3), a valve cover (9) is arranged at one side of the valve seat ring (1) far away from the ball body (2), an O-shaped ring (8) is arranged at the middle position of the valve seat ring (1) and the valve cover (9), a fireproof seal (7) is arranged between the valve seat ring (1) and the valve cover (9) and at one side of the O-shaped ring (8), a valve seat spring (6) is arranged between the valve seat ring (1) and the valve cover (9) and at one side of the fireproof seal (7), and a humidity sensor (10) is embedded in the valve cover (9).
2. The multiple sealing structure of a ball valve seat according to claim 1, wherein: the outer wall of the valve seat ring (1) is provided with a metal hardening coating (5), and the metal hardening coating (5) is manufactured in a spraying or spray welding mode.
3. The multiple sealing structure of a ball valve seat according to claim 1, wherein: the rubber triangular ring (4) and the ball body (2) are in a fit sealing state under the normal condition of the valve.
4. The multiple sealing structure of a ball valve seat according to claim 1, wherein: the valve seat spring (6) is located in the spring groove.
5. The multiple sealing structure of a ball valve seat according to claim 1, wherein: humidity transducer (10) are connected with outside display through the data line, the embedded surface position department that sets up at valve gap (9) of display, the back internal position department of display is provided with electronic power source, humidity transducer and display all with electronic power source electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432043.5U CN216045571U (en) | 2021-10-10 | 2021-10-10 | Multiple seal structure of ball valve disk seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432043.5U CN216045571U (en) | 2021-10-10 | 2021-10-10 | Multiple seal structure of ball valve disk seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045571U true CN216045571U (en) | 2022-03-15 |
Family
ID=80548298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122432043.5U Active CN216045571U (en) | 2021-10-10 | 2021-10-10 | Multiple seal structure of ball valve disk seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045571U (en) |
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2021
- 2021-10-10 CN CN202122432043.5U patent/CN216045571U/en active Active
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