CN212004375U - Conical sealing ball valve - Google Patents
Conical sealing ball valve Download PDFInfo
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- CN212004375U CN212004375U CN202020483535.XU CN202020483535U CN212004375U CN 212004375 U CN212004375 U CN 212004375U CN 202020483535 U CN202020483535 U CN 202020483535U CN 212004375 U CN212004375 U CN 212004375U
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- valve
- inclined plane
- mounting groove
- filler
- valve rod
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Abstract
The utility model discloses a conical sealing ball valve, which comprises a valve body, a valve rod and a ball body, wherein the ball body is arranged inside the valve body, a filler is arranged in the valve body, and the valve rod penetrates through the filler and is connected with the top of the ball body; the valve body is internally provided with a supporting part for installing filler, the supporting part is provided with a first inclined plane, the filler is provided with a second inclined plane which is attached to the first inclined plane, the valve rod is further provided with a pressing mechanism, and the pressing mechanism is pressed on the top of the filler to deform the filler. The utility model discloses good guidance quality, leakproofness and wearability have to improve the life of ball valve, in addition, the utility model discloses can also avoid the valve rod the dead condition of stinging to appear, guarantee operation safety.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a toper sealing ball valve.
Background
The ball valve rod is as the driving medium, makes its switch to the spheroid through its final controlling element conduction moment, because of the body lid is through the machining gained, it has machining error and accumulative tolerance, can produce the deviation like this when making the valve rod installation, and the valve rod deviates from the ball valve center during operation ball valve, leads to the sealed frictional force who receives of packing different, and the easy damage of packing can lead to leaking outward, seriously influences the life of ball valve. In addition, the deviation of the valve rod from the center can cause the scratch of the contact position of the valve rod and the middle part of the valve body and even the seizure of the valve rod, the operation is difficult during the online process, and the potential safety hazard is easy to generate and even the accident is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a toper sealing ball valve, the utility model discloses good guidance quality, leakproofness and wearability have to improve the life of ball valve, in addition, the utility model discloses can also avoid the valve rod the dead condition of stinging to appear, guarantee operation safety.
In order to achieve the above object, the utility model provides a following technical scheme: the conical sealing ball valve comprises a valve body, a valve rod and a ball body, wherein the ball body is arranged inside the valve body, the valve body is internally provided with a filler, and the valve rod penetrates through the filler and is connected with the top of the ball body; the valve body is internally provided with a supporting part for installing filler, the supporting part is provided with a first inclined plane, the filler is provided with a second inclined plane which is attached to the first inclined plane, the valve rod is further provided with a pressing mechanism, and the pressing mechanism is pressed on the top of the filler to deform the filler.
Preferably, hold-down mechanism includes nut, gasket and dish spring, nut, gasket and dish spring overlap in proper order from top to bottom and establish the periphery at the valve rod, nut and valve rod threaded connection, the up end of the bottom filler of dish spring is inconsistent.
Preferably, a first mounting groove is formed in the valve body, and the supporting portion is embedded in the first mounting groove.
Preferably, the bottom of the disc spring extends into the first mounting groove.
Preferably, the below that is located first mounting groove in the valve body is equipped with the second mounting groove, forms spacing convex part between second mounting groove and the first mounting groove, inlays on the second mounting groove and is equipped with the antifriction pad, be equipped with on the valve rod inlay establish with the spacing ring in the second mounting groove, be equipped with the third inclined plane on the spacing ring, antifriction pad be equipped with the fourth inclined plane of third inclined plane laminating mutually.
Preferably, the third inclined surface is convex towards the direction close to the fourth inclined surface, and the fourth inclined surface is concave towards the direction far away from the third inclined surface.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with a supporting part for installing the filler in the valve body, the supporting part is provided with a first inclined plane, the packing is provided with a second inclined plane which is attached to the first inclined plane (namely the packing adopts a conical sealing structure), the valve rod is provided with a pressing mechanism, the pressing mechanism applies external force to the top of the packing to enable the packing to deform along the direction of the first inclined plane, the component of the deformation relative to the axial center direction of the valve rod compensates the processing error of the valve body, thereby improving the axle-holding performance and the guiding performance of the filler, not only enhancing the sealing performance and the wear-resisting performance, but also can ensure that the valve rod can not be deflected when in operation, can greatly prolong the service life of the ball valve, and in addition, because it the utility model discloses a filler has good seizing axle performance and guiding performance to the valve rod, can avoid the valve rod phenomenon of dying of stinging to appear, guarantees operation safety.
2. The utility model discloses a constitute by hold-down mechanism nut, gasket and dish spring, through the nut of screwing, the nut applys axial force to gasket and dish spring, makes dish spring and filler compress tightly the cooperation and dish spring compensation mechanism makes its sealed effect better, and life is longer, and wear resistance is better, resists outer ability of leaking stronger.
3. The utility model discloses a supporting part detachably inlays and establishes in first mounting groove, makes things convenient for the dismouting to change.
4. The utility model discloses during the bottom of dish spring stretched into first mounting groove, can improve the stability of dish spring installation.
5. The utility model discloses inlay at the embedded antifriction pad of establishing of second mounting groove, have the third inclined plane on the spacing ring on the valve rod, and the antifriction is filled up and is had the fourth inclined plane that the third inclined plane was laminated mutually, and antifriction pad also adopts the sealed structure of toper with the spacing ring of valve rod promptly. The antifriction pad cooperates the filler to make the valve rod have the structure of dual bracing, can not only improve stability and leakproofness when the valve rod rotates, can avoid the valve rod to lead partially in the time of operating moreover.
6. The utility model discloses the third inclined plane is protruding towards being close to fourth inclined plane direction, and the fourth inclined plane is sunken towards keeping away from third inclined plane direction, and the two forms the structure that the arc is sealed, not only cooperates more closely, can improve the leakproofness between the two greatly, and the transmission that enables the valve rod moreover is more smooth and easy.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. a valve body; 2. a valve stem; 3. a sphere; 4. a filler; 5. a nut; 6. a gasket; 7. a disc spring; 8. a hold-down mechanism; 9. an anti-friction pad; 10. a limiting convex part; 11. a support portion; 12. a limiting ring; 13. a first inclined plane; 14. a second inclined plane; 15. a third inclined plane; 16. a fourth slope; 17. a first mounting groove; 18. and a second mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): the conical sealing ball valve shown in the attached figures 1 and 2 comprises a valve body 1, a valve rod 2 and a ball body 3, wherein the ball body 3 is arranged inside the valve body 1, a filler 4 is arranged in the valve body 1, and the valve rod 2 penetrates through the filler 4 and is connected with the top of the ball body 3 in a joggle joint mode; the valve body 1 is internally provided with a supporting part 11 for installing the filler 4, the supporting part 11 is provided with a first inclined plane 13, the inner diameter of the first inclined plane 13 is gradually reduced from top to bottom, the filler 4 is provided with a second inclined plane 14 which is jointed with the first inclined plane 13, the valve rod 2 is also provided with a pressing mechanism 8, the pressing mechanism 8 is pressed on the top of the filler 4 to deform the filler 4, namely the pressing mechanism 8 applies external force to the top of the filler 4 to deform the filler 4 along the direction of the first inclined plane 13, the component of the deformation relative to the axial direction of the valve rod 2 compensates the processing error of the valve body 1, thereby improving the axle holding performance and the guiding performance of the filler 4, not only enhancing the sealing performance and the wear resistance, but also ensuring that the valve rod 2 can not be deflected during operation, and further prolonging the service life of the ball valve greatly, in addition, because the filler 4 of the utility model has good axle holding performance and guiding performance to the valve, the phenomenon of seizing of the valve rod 2 can be avoided, and the operation safety is ensured.
Wherein, hold-down mechanism 8 includes nut 5, gasket 6 and dish spring 7, nut 5, gasket 6 and dish spring 7 from top to bottom establish in proper order the periphery at valve rod 2, nut 5 and 2 threaded connection of valve rod, the up end of dish spring 7's bottom filler 4 is inconsistent, and through screwing nut 5, nut 5 exerts axial force to gasket 6 and dish spring 7, makes dish spring 7 and filler 4 press fit and dish spring 7 compensation mechanism make its sealed effect better, and life is longer, and wear resistance is better, resists outer hourglass ability stronger.
As shown in fig. 2, a first mounting groove 17 is formed in the valve body 1, and the supporting portion 11 is embedded in the first mounting groove 17, so that the detachable function of the supporting portion 11 is realized, and subsequent dismounting and replacing are facilitated.
As shown in fig. 2, the bottom of the disc spring 7 extends into the first mounting groove 17, which can improve the stability of mounting the disc spring 7.
As shown in the attached drawing 2, the lower portion of the first mounting groove 17 in the valve body 1 is provided with a second mounting groove 18, a limiting convex portion 10 is formed between the second mounting groove 18 and the first mounting groove 17, an antifriction pad 9 is embedded in the second mounting groove 18, the valve rod 2 is provided with a limiting ring 12 embedded in the second mounting groove 18, the limiting ring 12 is provided with a third inclined surface 15, the antifriction pad 9 is provided with a fourth inclined surface 16 attached to the third inclined surface 15, namely, the antifriction pad 9 and the limiting ring 12 of the valve rod 2 also adopt a tapered sealing structure. The antifriction pad 9 cooperates with the packing 4 to enable the valve rod 2 to have a double-support structure, so that the stability and the sealing performance of the valve rod 2 during rotation can be improved, and the deviation guide of the valve rod 2 during operation can be avoided.
As shown in fig. 2, the third inclined plane 15 protrudes toward the direction close to the fourth inclined plane 16, the fourth inclined plane 16 is recessed toward the direction away from the third inclined plane 15, and the third inclined plane and the fourth inclined plane form an arc-shaped sealing structure, so that the matching is tighter, the sealing performance between the third inclined plane and the fourth inclined plane can be greatly improved, and the transmission of the valve rod 2 is smoother.
The working principle is as follows: the utility model discloses set up the supporting part 11 that is used for installing filler 4 in valve body 1, have first inclined plane 13 on this supporting part 11, and have the second inclined plane 14 (namely filler 4 adopts toper seal structure) that laminates with above-mentioned first inclined plane 13 on filler 4, through set up hold-down mechanism 8 on valve rod 2, hold-down mechanism 8 exerts external force on the top of filler 4 makes filler 4 produce deformation along first inclined plane 13 direction, the weight of this deformation relative to the valve rod 2 axle center direction compensates the machining error of valve body 1, thereby improve the axle holding performance and the guidance quality of filler 4, can not only strengthen its sealing performance and wear resistance, and can guarantee valve rod 2 operation time can not lead partially, more enable the great extension of life of ball valve, in addition, because its the utility model discloses a filler 4 has good axle holding performance and guidance quality to valve rod 2, the phenomenon of seizing of the valve rod 2 can be avoided, and the operation safety is ensured.
Claims (6)
1. The conical sealing ball valve comprises a valve body (1), a valve rod (2) and a ball body (3), wherein the ball body (3) is arranged inside the valve body (1), a filler (4) is arranged in the valve body (1), and the valve rod (2) penetrates through the filler (4) and is connected with the top of the ball body (3); the method is characterized in that: the valve is characterized in that a supporting portion (11) used for installing the packing (4) is arranged in the valve body (1), a first inclined plane (13) is arranged on the supporting portion (11), a second inclined plane (14) attached to the first inclined plane (13) is arranged on the packing (4), a pressing mechanism (8) is further arranged on the valve rod (2), and the pressing mechanism (8) is pressed on the top of the packing (4) to enable the packing (4) to deform.
2. The tapered sealing ball valve of claim 1, wherein: hold-down mechanism (8) include nut (5), gasket (6) and dish spring (7), nut (5), gasket (6) and dish spring (7) from top to bottom establish in proper order and establish the periphery at valve rod (2), nut (5) and valve rod (2) threaded connection, the up end counterbalance of the bottom filler (4) of dish spring (7).
3. The tapered sealing ball valve of claim 2, wherein: be equipped with first mounting groove (17) in valve body (1), supporting part (11) inlay establishes in first mounting groove (17).
4. The tapered sealing ball valve of claim 3, wherein: the bottom of the disc spring (7) extends into the first mounting groove (17).
5. The tapered sealing ball valve of claim 3, wherein: the below that is located first mounting groove (17) in valve body (1) is equipped with second mounting groove (18), forms spacing convex part (10) between second mounting groove (18) and first mounting groove (17), inlays on second mounting groove (18) and is equipped with antifriction pad (9), be equipped with on valve rod (2) inlay spacing ring (12) of establishing in with second mounting groove (18), be equipped with third inclined plane (15) on spacing ring (12), be equipped with on antifriction pad (9) with fourth inclined plane (16) that third inclined plane (15) laminated mutually.
6. The tapered sealing ball valve of claim 5, wherein: the third inclined surface (15) is convex towards the direction close to the fourth inclined surface (16), and the fourth inclined surface (16) is concave towards the direction far away from the third inclined surface (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483535.XU CN212004375U (en) | 2020-04-03 | 2020-04-03 | Conical sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483535.XU CN212004375U (en) | 2020-04-03 | 2020-04-03 | Conical sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004375U true CN212004375U (en) | 2020-11-24 |
Family
ID=73403801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020483535.XU Active CN212004375U (en) | 2020-04-03 | 2020-04-03 | Conical sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004375U (en) |
-
2020
- 2020-04-03 CN CN202020483535.XU patent/CN212004375U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1555 Tianzhong Road, Yongzhong street, Longwan District, Wenzhou City, Zhejiang Province Patentee after: Ouming Valve Group Co.,Ltd. Address before: 1555 Tianzhong Road, Yongzhong street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG OUMING FLUID CASTING Co.,Ltd. |