CN220118694U - Anti-internal-leakage wear-resistant floating ball valve - Google Patents
Anti-internal-leakage wear-resistant floating ball valve Download PDFInfo
- Publication number
- CN220118694U CN220118694U CN202321584920.3U CN202321584920U CN220118694U CN 220118694 U CN220118694 U CN 220118694U CN 202321584920 U CN202321584920 U CN 202321584920U CN 220118694 U CN220118694 U CN 220118694U
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- Prior art keywords
- compression spring
- sealing ring
- sealing
- ball valve
- spheroid
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- 238000007667 floating Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 230000006835 compression Effects 0.000 claims abstract description 42
- 238000007906 compression Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241000283216 Phocidae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses an anti-internal leakage wear-resistant floating ball valve, which has the technical scheme that: the novel valve seat is characterized by comprising a valve seat, a ball body is arranged in the valve seat, a valve rod is arranged on the ball body, the valve rod is connected with a handle, sealing gaskets are arranged on the left side and the right side of the ball body, a containing cavity is formed in the sealing gaskets, a first compression spring and a second compression spring are fixedly arranged in the containing cavity, a sealing ring is fixedly arranged with the first compression spring and the second compression spring, the sealing ring is positioned in the containing cavity, the sealing ring is fixedly arranged with the sealing gaskets, one end face, close to the ball body, of the sealing ring is matched with the outer surface of the ball body, and the first compression spring and the second compression spring can quickly recover to deform so that the sealing ring is clung to the ball body.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to an internal leakage-proof wear-resistant floating ball valve.
Background
The ball valve has the main characteristics of compact structure, reliable sealing, simple structure, convenient maintenance, difficult medium erosion of the sealing surface and the spherical surface in a closed state, easy operation and maintenance, suitability for common working mediums such as water, solvents, acid, natural gas and the like, and also suitable for mediums with severe working conditions such as oxygen, hydrogen peroxide, methane, ethylene and the like, and can be widely applied in various industries, the floating ball valve is one of ball valves, the ball body of the floating ball valve is floating, and under the action of medium pressure, the ball body can generate certain displacement and be tightly pressed on the sealing surface of the outlet end, so that the sealing of the outlet end is ensured.
The patent refers to the Chinese utility model patent with the publication number of CN213393638U, which discloses an anti-internal leakage wear-resistant floating ball valve, and belongs to the technical field of floating ball valves.
Above-mentioned kind of high temperature high pressure self sealss ball valve floats through setting up spring and fixed block, and the fixed block plays the effect of fixed spring, and spring accessible elasticity extrudees the sealing washer on the interior surface wall of flange, fixes the sealing washer, prevents that the sealing washer from receiving rivers impact and drops easily, convenient to use is swift, but it still has some shortcoming, for example: 1. when the ball valve is in a closed state for a long time, the ball body generates certain displacement under the pressure of a medium and is tightly pressed on the sealing ring at the outlet end, so that the sealing ring is deformed, the sealing ring is difficult to recover deformation due to long-time extrusion of the sealing ring, a gap exists between the ball body and the sealing ring, and the sealing performance of the ball valve is affected.
Disclosure of Invention
Aiming at the problems in the background art, the utility model aims to provide an anti-internal-leakage wear-resistant floating ball valve, so as to solve the problems that the sealing ring is difficult to recover deformation due to long-time extrusion of the sealing ring in the background art, a gap exists between a ball body and the sealing ring, and the sealing performance of the ball valve is affected.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides an anti-internal leakage wear-resisting floating ball valve, includes the disk seat, the inside of disk seat is provided with the spheroid, be provided with the valve rod on the spheroid, the valve rod is connected with the handle, the spheroidal left and right sides is provided with sealed the pad, sealed the pad is last to be offered and to hold the chamber, hold the intracavity fixedly and be provided with first compression spring and second compression spring, first compression spring and second compression spring all evenly set up hold the intracavity, the sealing ring with first compression spring and the fixed setting of second compression spring, the sealing ring is located hold the intracavity, the sealing ring is close to with sealed the fixed setting of pad spheroidal one end face with spheroidal surface looks adaptation.
Further, a sealing groove is formed in the valve seat, and a sealing ring is arranged in the sealing groove and integrally formed with the sealing gasket.
Further, a metal lubricating layer is arranged on the surface of the sphere, a containing groove is formed in the sealing ring relative to one end face of the sphere, and a soft metal lubricant is arranged in the containing groove.
Further, the first compression spring and the second compression spring are both in a compressed state.
Further, a stop rod is arranged on the valve seat, the stop rod penetrates through the sealing gasket, and a gap exists between the stop rod and the sealing ring.
In summary, the utility model has the following advantages: according to the utility model, the sealing gasket and the hard sealing ring are arranged, and the first compression spring and the second compression spring are arranged between the sealing gasket and the hard sealing ring, so that even if the ball valve is in a closed state for a long time, after the ball valve is opened, the pressure from a medium is reduced, the pressure born by the first compression spring and the second compression spring is reduced, the first compression spring and the second compression spring are stretched, the recovery deformation is faster, the hard sealing ring can still be clung to the ball body, and leakage cannot occur.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
fig. 2 is an enlarged schematic diagram at a in the present embodiment.
Reference numerals: 1. a valve seat; 101. sealing grooves; 2. a sphere; 3. a sealing gasket; 301. a receiving chamber; 4. a first compression spring; 5. a second compression spring; 6. a seal ring; 601. a receiving groove; 7. a seal ring; 8. stop lever.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," second, "" third, "" fourth, "" fifth, "and sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 and 2, an anti-internal leakage wear-resistant floating ball valve comprises a valve seat 1, a ball body 2 is arranged in the valve seat 1, a valve rod is arranged on the ball body 2, the valve rod is connected with a handle, sealing gaskets 3 are arranged on the left side and the right side of the ball body 2, the sealing gaskets 3 are symmetrically arranged along the middle of the ball body 2, a containing cavity 301 is formed in the sealing gaskets 3, a first compression spring 4 and a second compression spring 5 are fixedly arranged in the containing cavity 301, the first compression spring 4 and the second compression spring 5 are uniformly arranged in the containing cavity 301, a sealing ring 6 is fixedly arranged in the first compression spring 4 and the second compression spring 5, the sealing ring 6 is positioned in the containing cavity 301, the sealing ring 6 is fixedly arranged with the sealing gaskets 3, one end face of the sealing ring 6 close to the ball body 2 is matched with the outer surface of the ball body 2, the sealing ring 6 is made of metal, and has good wear resistance, and meanwhile, high-temperature and high-pressure conditions can be met.
According to the above embodiment, referring specifically to fig. 2, the valve seat 1 is provided with a sealing groove 101, and a sealing ring 7 is disposed in the sealing groove 101, where the sealing ring 7 and the sealing gasket 3 are integrally formed.
According to the above embodiment, referring specifically to fig. 2, a metal lubrication layer is disposed on the surface of the ball 2, a receiving groove 601 is disposed on one end face of the sealing ring 6 opposite to the ball 2, a soft metal lubricant is disposed in the receiving groove 601, and an oil film is disposed on the surface of the ball 2 through a grease injection process, which can reduce friction force between the ball and the main sealing ring due to rotation, and can improve sealing performance between the ball and the sealing ring 6.
According to the above embodiment, referring specifically to fig. 2, the first compression spring 4 and the second compression spring 5 are both in a compressed state.
According to the above embodiment, referring specifically to fig. 2, the valve seat 1 is provided with a stop rod 8, the stop rod 8 passes through the sealing gasket 3, and a gap exists between the stop rod 8 and the sealing ring 6.
In summary, after the ball valve is opened, the pressure from the medium is reduced, the pressure applied to the first compression spring 4 and the second compression spring 5 is reduced, the first compression spring 4 and the second compression spring 5 are extended, the recovery deformation is faster, and the hard sealing ring 6 can still be closely attached to the ball 2, so that leakage cannot occur.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 leak in preventing wear-resisting ball valve that floats, includes disk seat (1), the inside of disk seat (1) is provided with spheroid (2), be provided with the valve rod on spheroid (2), the valve rod is connected its characterized in that with the handle: the utility model discloses a ball, including spheroid (2), sealed pad (3) are provided with, sealed pad (3) are last to be offered and to hold chamber (301), hold chamber (301) internal fixation and be provided with first compression spring (4) and second compression spring (5), first compression spring (4) and second compression spring (5) all evenly set up in holding chamber (301), sealing ring (6) with first compression spring (4) and second compression spring (5) are fixed to be set up, sealing ring (6) are located hold chamber (301), sealing ring (6) are fixed with sealed pad (3) and are set up, sealing ring (6) are close to one end face of spheroid (2) with the surface looks adaptation of spheroid (2).
2. The anti-internal leakage wear-resistant floating ball valve as in claim 1, wherein: the sealing device is characterized in that a sealing groove (101) is formed in the valve seat (1), a sealing ring (7) is arranged in the sealing groove (101), and the sealing ring (7) and the sealing gasket (3) are integrally formed.
3. The anti-internal leakage wear-resistant floating ball valve as in claim 1, wherein: the surface of spheroid (2) is provided with the metal lubrication layer, sealing ring (6) for the one end face of spheroid (2) is provided with holding tank (601), be provided with soft metal lubricant in holding tank (601).
4. The anti-internal leakage wear-resistant floating ball valve as in claim 1, wherein: the first compression spring (4) and the second compression spring (5) are both in a compressed state.
5. The anti-internal leakage wear-resistant floating ball valve as in claim 1, wherein: be provided with stop lever (8) on disk seat (1), stop lever (8) pass sealed pad (3), stop lever (8) with there is the clearance between sealing ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321584920.3U CN220118694U (en) | 2023-06-21 | 2023-06-21 | Anti-internal-leakage wear-resistant floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321584920.3U CN220118694U (en) | 2023-06-21 | 2023-06-21 | Anti-internal-leakage wear-resistant floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118694U true CN220118694U (en) | 2023-12-01 |
Family
ID=88893754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321584920.3U Active CN220118694U (en) | 2023-06-21 | 2023-06-21 | Anti-internal-leakage wear-resistant floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118694U (en) |
-
2023
- 2023-06-21 CN CN202321584920.3U patent/CN220118694U/en active Active
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| GR01 | Patent grant |