CN213451819U - One-piece type floating ball valve - Google Patents
One-piece type floating ball valve Download PDFInfo
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- CN213451819U CN213451819U CN202022589279.5U CN202022589279U CN213451819U CN 213451819 U CN213451819 U CN 213451819U CN 202022589279 U CN202022589279 U CN 202022589279U CN 213451819 U CN213451819 U CN 213451819U
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- ball valve
- floating ball
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Abstract
The utility model discloses a one-piece floating ball valve, which relates to the field of ball valves and comprises a pressure relief ring, wherein a mounting groove is formed between a valve body of the floating ball valve and a first valve seat of the floating ball valve, the first valve seat is positioned at an air outlet of the ball valve, the pressure relief ring is arranged in the mounting groove, and when the valve is closed, the spherical surface of a ball body in the floating ball valve is respectively contacted with a retaining ring on the first valve seat and the pressure relief ring in a pressing way; install the pressure release ring between spheroid and first disk seat, the pressure release ring adopts polytetrafluoroethylene material, fine decomposition the spheroid to the effort of first disk seat, consequently the interaction effort of spheroid and first disk seat diminishes, the frictional resistance moment between the two also reduces thereupon, consequently the required moment of opening, closing valve is little, little drive ratio can realize big operating pressure, takes the pressure to open the valve ability height.
Description
Technical Field
The utility model relates to a ball valve field especially relates to a ball valve floats of a slice formula.
Background
The sealing performance of the floating ball valve mainly depends on the extrusion deformation of the ball body and the downstream valve seat, the ball body slightly moves towards the downstream of the valve under the action of pressure difference to extrude the downstream valve seat and tightly attach the downstream valve seat, so that the valve is closed and sealed, the larger the working pressure is, the tighter the attachment of the ball body and the downstream valve seat is, the larger the friction resistance moment is, so that the valve is more difficult to open and close, the sealing mechanism of the floating ball valve is limited by the closing and sealing mechanism of the floating ball valve, and the ball body slightly moves towards the downstream under the action of air pressure in the; under large working pressure, the ball body has large friction resistance moment with a downstream valve seat, and the valve is difficult to open and close, so that the floating ball valve with the traditional structure is generally applied to the working pressure environment which is not more than 0.2 Mpa.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ball valve that floats of one piece formula has just been designed in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a piece formula ball valve that floats, including the pressure release ring, form the mounting groove between the valve body of ball valve that floats and the first disk seat of ball valve that floats, first disk seat is located the gas outlet department of ball valve, and the pressure release ring is installed in the mounting groove, and when closing the valve, spheroidal sphere contacts with retaining ring and the extrusion of pressure release ring on the first disk seat respectively in the ball valve that floats.
Furthermore, the one-piece floating ball valve further comprises an elastic piece, a second valve seat of the floating ball valve is slidably mounted at an air inlet of the floating ball valve, the second valve seat is always in extrusion contact with the spherical surface of the ball body, two ends of the elastic piece are respectively in extrusion contact with the second valve seat and the valve body, and the acting force of the elastic piece on the second valve seat faces the first valve seat.
Further, the elastic member is a spring.
Further, the one-piece floating ball valve further comprises a sliding sealing piece used for sealing between the valve rod and the valve body, the sliding sealing piece is fixedly installed on the valve body, the sealing action end of the sliding sealing piece acts on the valve rod, and the valve rod can slide relative to the sliding sealing piece.
Further, the sliding sealing element comprises a sliding bearing ring and at least one O-shaped ring, the outer wall of the sliding bearing ring is fixedly installed on the valve body, the inner ring of the sliding bearing ring is in contact with the valve rod, at least one installation groove is formed in the valve rod, one O-shaped ring is installed in one installation groove, and the O-shaped ring is in extrusion contact with the valve body.
Further, the pressure relief ring and the sliding bearing ring are polytetrafluoroethylene rings.
The beneficial effects of the utility model reside in that: install the pressure release ring between spheroid and first disk seat, the pressure release ring adopts polytetrafluoroethylene material, fine decomposition the spheroid to the effort of first disk seat, consequently the interaction effort of spheroid and first disk seat diminishes, the frictional resistance moment between the two also reduces thereupon, consequently the required moment of opening, closing valve is little, little drive ratio can realize big operating pressure, takes the pressure to open the valve ability height.
Drawings
FIG. 1 is a schematic structural view of a one-piece floating ball valve according to the present invention;
wherein corresponding reference numerals are:
1-a valve body, 2-a sleeve, 3-a spring, 4-a second valve seat, 5-a sphere, 6-a pressure relief ring, 7-a first valve seat, 8-a check ring, 9-an O-shaped ring, 10-a valve rod and 11-a sliding bearing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, a piece type floating ball valve comprises a pressure relief ring 6, wherein a mounting groove is formed between a valve body 1 of the floating ball valve and a first valve seat 7 of the floating ball valve, the first valve seat 7 is positioned at an air outlet of the ball valve, the pressure relief ring 6 is mounted in the mounting groove, and when the valve is closed, the spherical surface of a ball body 5 in the floating ball valve is in extrusion contact with a check ring 8 and the pressure relief ring 6 on the first valve seat 7 respectively.
When the valve is closed, the spherical surface of the sphere 5 is in extrusion contact with the check ring 8 and the pressure relief ring 6 of the first valve seat 7 respectively, the air pressure of the air inlet of the ball valve is higher than the air pressure of the air outlet of the ball valve, the sphere 5 is extruded towards the first valve seat 7 by high-pressure air, but the position of the pressure relief ring 6 is fixed and is not deformed, the extrusion acting force between the check ring 8 on the first valve seat 7 and the spherical surface of the sphere 5 is certain, and part of the extrusion acting force of the high-pressure air on the sphere 5 is decomposed and borne by the pressure relief ring 6, so that compared with the case of no pressure relief ring 6, the mutual extrusion acting force between the sphere 5 and the first valve seat 7 is reduced, the friction resistance moment between the sphere 5 and the first valve seat 7 is reduced, the moment required for opening and closing the valve is small, the small transmission ratio can realize large working pressure, and.
As shown in fig. 1, the one-piece floating ball valve further includes an elastic member, the second valve seat 4 of the floating ball valve is slidably mounted at the air inlet of the floating ball valve, the second valve seat 4 always contacts with the spherical surface of the ball body 5 in a pressing manner, two ends of the elastic member respectively contact with the second valve seat 4 and the valve body 1 in a pressing manner, the elastic member faces the first valve seat 7 to the acting force of the second valve seat 4, the elastic member is a spring 3, the air inlet of the valve body 1 is fixedly mounted with a sleeve 2, one side of the sleeve 2, which is close to the ball body 5, is provided with an embedded groove, one end of the spring 3 is mounted in the embedded groove, the other end of the spring 3 contacts with the second valve seat.
The second valve seat 4 is matched with the valve body 1 through the large-rigidity spring 3, the second valve seat 4 supports the ball 5 in a floating mode under the action of the large-rigidity spring 3, and the ball valve is simple in structure and efficient to assemble.
As shown in fig. 1, the one-piece floating ball valve further includes a sliding seal for sealing between the valve stem 10 and the valve body 1, the sliding seal is fixedly installed on the valve body 1, a sealing action end of the sliding seal acts on the valve stem 10, and the valve stem 10 is slidable relative to the sliding seal.
As shown in fig. 1, the sliding seal comprises a sliding bearing ring 11 and at least one O-ring 9, wherein the outer wall of the sliding bearing ring 11 is fixedly mounted on the valve body 1, the inner ring of the sliding bearing ring 11 is in contact with the valve rod 10, at least one mounting groove is formed in the valve rod 10, one O-ring 9 is mounted in one mounting groove, and the O-ring 9 is in pressing contact with the valve body 1.
A sliding bearing ring 11 and an O-shaped ring 9 are introduced between the valve rod 10 and the valve body 1, so that the valve rod 10 is prevented from being in direct contact with the valve body 1, the sliding bearing ring 11 is made of polytetrafluoroethylene materials, and the mutual friction resistance moment of the valve rod 10 and the valve body 1 is greatly reduced.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (6)
1. A piece formula ball valve that floats, its characterized in that, including the pressure release ring, forms the mounting groove between the valve body of ball valve that floats and the first disk seat of ball valve that floats, and first disk seat is located the gas outlet department of ball valve, and the pressure release ring is installed in the mounting groove, and when closing the valve, spheroidal sphere contacts with retaining ring and the extrusion of pressure release ring on the first disk seat respectively in the ball valve that floats.
2. The one-piece floating ball valve according to claim 1, further comprising an elastic member, wherein the second valve seat of the floating ball valve is slidably installed at the air inlet of the floating ball valve, the second valve seat is always in pressing contact with the spherical surface of the ball, both ends of the elastic member are respectively in pressing contact with the second valve seat and the valve body, and the force of the elastic member on the second valve seat is directed toward the first valve seat.
3. The one-piece floating ball valve of claim 2, wherein the resilient member is a spring.
4. The one-piece floating ball valve according to any one of claims 1 to 3, further comprising a sliding seal for sealing between the valve stem and the valve body, the sliding seal being fixedly mounted to the valve body, a seal-acting end of the sliding seal acting on the valve stem, and the valve stem being slidable relative to the sliding seal.
5. The one-piece floating ball valve of claim 4, wherein the sliding seal comprises a sliding bearing ring and at least one O-ring, the outer wall of the sliding bearing ring is fixedly mounted to the valve body, the inner ring of the sliding bearing ring is in contact with the valve stem, at least one mounting groove is provided in the valve stem, one O-ring is mounted in one of the mounting grooves, and the O-ring is in compressive contact with the valve body.
6. The one-piece floating ball valve of claim 5, wherein the pressure relief ring and the sliding bearing ring are polytetrafluoroethylene rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022589279.5U CN213451819U (en) | 2020-11-11 | 2020-11-11 | One-piece type floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022589279.5U CN213451819U (en) | 2020-11-11 | 2020-11-11 | One-piece type floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451819U true CN213451819U (en) | 2021-06-15 |
Family
ID=76299843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022589279.5U Active CN213451819U (en) | 2020-11-11 | 2020-11-11 | One-piece type floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451819U (en) |
-
2020
- 2020-11-11 CN CN202022589279.5U patent/CN213451819U/en active Active
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