CN203335913U - Upper-installing type eccentric ball valve and ball assembly of upper-installing type eccentric ball valve - Google Patents
Upper-installing type eccentric ball valve and ball assembly of upper-installing type eccentric ball valve Download PDFInfo
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- CN203335913U CN203335913U CN2013202919312U CN201320291931U CN203335913U CN 203335913 U CN203335913 U CN 203335913U CN 2013202919312 U CN2013202919312 U CN 2013202919312U CN 201320291931 U CN201320291931 U CN 201320291931U CN 203335913 U CN203335913 U CN 203335913U
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- spheroid
- ball
- sphere
- valve seat
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Abstract
The utility model discloses an upper-installing type eccentric ball valve and a ball assembly of the upper-installing type eccentric ball valve. The upper-installing type eccentric ball valve includes a valve body, a valve seat assembly, a valve cover, and the ball assembly. The ball assembly includes a ball and a valve rod in linkage cooperation with the ball. The valve seat assembly includes a valve seat, a valve body channel and a valve chamber in the middle of the valve body channel are arranged on the valve body, the ball is arranged in the valve chamber, a ball channel is arranged in the ball, the valve seat is a single valve seat and is arranged on the valve body inner wall arranged at one side of the ball, a circular sealing ball surface is protrudingly arranged on the side outer wall of the ball with respect to the ball channel, the circular sealing ball surface and the ball are concentric, and the circular sealing ball surface is in sealing cooperation with the valve seat when the ball valve is in a closed state. The ball valve provided is advantageous in being capable of online inner component detachment and online maintenance, being free of medium flushing and friction, and being low in torque during the switching.
Description
Technical field
The utility model relates to valve field, particularly the spheroid assembly of a kind of upper dress formula eccentric ball valve and upper dress formula eccentric ball valve.
Background technique
Upper-mounting type ball valve be widely used on the oil and natural gas pipeline and the device such as oil recovery, oil refining, petrochemical industry, chemical industry, chemical fibre, metallurgy, electric power, nuclear power, food and papermaking in.Upper-mounting type ball valve is dismantled rapidly simple on pipeline, easy to maintenance quick.When valve, on pipeline, break down while needing to repair, needn't dismantle valve from pipeline, need only dismantle middle flange bolt and nut are taken off valve gap together with the valve rod group component from valve body, then take out spheroid and valve seat combination part, can repair online spheroid and valve seat.
At present, in upper-mounting type ball valve, the overwhelming majority is the double-valve-seat structure, and spheroid is tightly embraced in centre by two valve seats, close contact all the time in switching process, and large, the online dismounting of moment of torsion is very difficult; And wherein the small part upper-mounting type ball valve is the single valve seat ball valve, the spheroid of its setting is hemisphere or scarce ball, and after valve open, valve seat exposes fully, and very easily by medium, is washed away damage.
Summary of the invention
First purpose of the present utility model is the shortcoming and defect existed in order to overcome prior art, and a kind of can dismantle online internals and on-line maintenance maintenance are provided, and is not subject to that medium washes away, dress formula eccentric ball valve on frictionless.
Second purpose of the present utility model is to provide a kind of spheroid assembly of upper dress formula eccentric ball valve.
For realizing first purpose of the present utility model, the technical solution of the utility model is
Include valve body, valve component, valve gap and spheroid assembly, the valve rod that this spheroid assembly includes spheroid and is linked with spheroid, described valve component includes valve seat, be provided with valve flowing channel on described valve body and be positioned at the valve pocket on valve flowing channel, described sphere installation is in valve pocket, be provided with the spheroid runner on this spheroid, described valve seat is single valve seat, be installed on the valve interior wall of spheroid one side, it is characterized in that: on the relative spheroid runner one side outer wall of described spheroid, projection is provided with the ring packing sphere, this ring packing sphere and the same centre of sphere of spheroid, and this ring packing sphere and valve seat are equipped with in the closed condition lower seal at ball valve, described spheroid assembly also includes lower rotary shaft, described valve rod and lower rotary shaft are arranged at respectively the upper and lower two ends of spheroid, and described valve rod and lower rotary shaft coaxially arrange, the centre of sphere of described ring packing sphere and spheroid is not on the axis of valve rod and lower rotary shaft, form eccentric setting.
By this setting, while opening valve, valve rod is rotated counterclockwise and drives spheroid moment disengaging valve seat, whole open the valve process in sealing surface of seat without any contacting, after valve wide open, the spheroid runner is communicated with fully with valve flowing channel, and along with the aperture increase gap of valve is larger, when opening valve fully, ring packing sphere and the sealing surface of seat of spheroid have gap, but spheroid still can block whole sealing surface of seat, prevent that valve seat from exposing fully and being washed away damage by medium, in the valve opening and closing process, moment of torsion is very low;
During throttle down, after rotation valve rod, the ring packing sphere of spheroid gradually near valve seat until close fully.Adopt technique scheme, the present invention is to provide a kind of online dismounting internals, on-line maintenance maintenance, be not subject to medium to wash away, hang down moment of torsion, frictionless novel upper-mounting type ball valve.
By this setting, in dismounting during internals, whole spheroid assembly is by integral demounting, convenient disassembly, and also this arranges, and the installation of spheroid assembly is also more convenient.
Further arrange is the bottom sphere that described lower rotary shaft includes the axial sphere that is positioned at its avris section and is positioned at its bottom.By this setting, in dismounting during internals, because the lower rotary shaft of spheroid assembly is the setting of two spheres (axle center sphere and bottom sphere), so, as long as the spheroid assembly is tilted slightly and can break away from sealing surface of seat fully, dismantle very convenient.
Further arranging is that described valve component includes valve seat insert, trim ring, trim ring Returnning spring and sand prevention ring.This setting also described valve component includes the gasket seal that is arranged at the valve seat inboard.The two formation coordinates with the metal hard-sealing of spheroid.
Further arrange is that described valve seat adopts the screw thread axis hole on spiral way and valve interior wall to form detachable screw thread secure fit.By this setting, not only facilitate the installation of valve seat, and the valve seat convenient disassembly.
The bottom that further setting is valve seat is provided with the dismounting groove.This setting, convenient adjustment and dismounting to the valve seat position.
Second purpose of the present utility model is achieved through the following technical solutions, include spheroid, be provided with the spheroid runner on this spheroid, on the relative spheroid runner one side outer wall of described spheroid, projection is provided with the ring packing sphere, this ring packing sphere and the same centre of sphere of spheroid, and this ring packing sphere and valve base sealing are equipped with, described spheroid assembly also includes valve rod and the lower rotary shaft that is arranged at the upper and lower two ends of spheroid, described valve rod and lower rotary shaft coaxially arrange, the centre of sphere of described ring packing sphere and spheroid is not on the axis of valve rod and lower rotary shaft, form eccentric setting.
By this setting, make in the switching process of ball valve moment of torsion little, convenient disassembly, and also spheroid can be protected sealing surface of seat when full-gear, prevents from being subject to medium and washes away damage.
In sum, the utlity model has and can dismantle online the maintenance of internals, on-line maintenance, be not subject to that medium washes away, low moment of torsion in switching process, without advantages such as frictions.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 closed condition structural drawing;
Fig. 2 is the I section structure enlarged view of Fig. 1;
Structural drawing when Fig. 3 is the embodiment of the present invention 1 full-gear;
Fig. 4 is the utility model spheroid assembly graphics;
Fig. 5 is that in the utility model spheroid assembly, spheroid and valve rod and lower eccentric shaft specifically arrange figure;
Fig. 6 is the structural drawing of the utility model embodiment 2 closed conditions;
Fig. 7 is the II section structure enlarged view of Fig. 6.
Embodiment
Below by embodiment, the utility model is specifically described; only for the utility model is further described; can not be interpreted as the restriction to the utility model protection domain, the technician in this field can make some nonessential improvement and adjustment to the utility model according to the content of above-mentioned model utility.
embodiment 1
Embodiment of the present utility model as Figure 1-5, include valve body 1, valve component, valve gap 2 and spheroid assembly, valve rod 32 and lower rotary shaft 33 that this spheroid assembly includes spheroid 31 and is linked with spheroid, described valve rod 32 and lower rotary shaft 33 coaxially arrange, described valve component includes valve seat 41, valve component described in the utility model includes valve seat 41, valve seat insert 42, trim ring 43, trim ring Returnning spring 44 and sand prevention ring 45, as shown in Figure 2, be provided with valve flowing channel 11 and the valve pocket 12 that is positioned at the valve flowing channel middle part on described valve body 1, described spheroid 31 is installed in valve pocket 12, be provided with spheroid runner 311 on this spheroid 31, described valve seat 41 is single valve seat, be installed on the valve interior wall of spheroid 31 1 sides, on the relative spheroid runner 311 1 side outer walls of described spheroid 31, projection is provided with ring packing sphere 312, this ring packing sphere 312 and the same centre of sphere of spheroid 31, and this ring packing sphere 312 is equipped with in the closed condition lower seal at ball valve with valve seat 41.
The centre of sphere of the described ring packing sphere 312 of the present embodiment and spheroid 31, not on the axis of valve rod and lower rotary shaft, forms eccentric setting.As shown in Figure 5.
In addition, the bottom sphere 332 that described lower rotary shaft 33 includes the axial sphere 331 that is positioned at its avris section and is positioned at its bottom, for convenience detach.
The described valve seat 41 of the present embodiment adopts the screw thread axis hole on spiral way and valve interior wall to form detachable screw thread secure fit.The bottom of valve seat 41 is provided with dismounting groove 411 in addition.Therefore valve seat is easy to online dismounting, has really realized online dismounting valve.
Embodiment of the present utility model 2 as shown in Fig. 6-7, the present embodiment 2 is with embodiment 1 difference: described valve component includes the gasket seal 46 that is arranged at valve seat 41 inboards.As shown in Figure 7.
Claims (7)
1. go up dress formula eccentric ball valve for one kind, include valve body, valve component, valve gap and spheroid assembly, the valve rod that this spheroid assembly includes spheroid and is linked with spheroid, described valve component includes valve seat, be provided with valve flowing channel on described valve body and be positioned at the valve pocket on valve flowing channel, described sphere installation is in valve pocket, be provided with the spheroid runner on this spheroid, described valve seat is single valve seat, be installed on the valve interior wall of spheroid one side, it is characterized in that: on the relative spheroid runner one side outer wall of described spheroid, projection is provided with the ring packing sphere, this ring packing sphere and the same centre of sphere of spheroid, and this ring packing sphere and valve seat are equipped with in the closed condition lower seal at ball valve, described spheroid assembly also includes lower rotary shaft, described valve rod and lower rotary shaft are arranged at respectively the upper and lower two ends of spheroid, and described valve rod and lower rotary shaft coaxially arrange, the centre of sphere of described ring packing sphere and spheroid is not on the axis of valve rod and lower rotary shaft, form eccentric setting.
2. a kind of upper dress formula eccentric ball valve according to claim 1, is characterized in that: the bottom sphere that described lower rotary shaft includes the axial sphere that is positioned at its avris section and is positioned at its bottom.
3. a kind of upper dress formula eccentric ball valve according to claim 1, it is characterized in that: described valve component also includes valve seat insert, trim ring, trim ring Returnning spring and sand prevention ring.
4. a kind of upper dress formula eccentric ball valve according to claim 1, it is characterized in that: described valve component includes the gasket seal that is arranged at the valve seat inboard.
5. according to the described a kind of upper dress formula eccentric ball valve of claim 3 or 4, it is characterized in that: described valve seat adopts the screw thread axis hole on spiral way and valve interior wall to form detachable screw thread secure fit.
6. a kind of upper dress formula eccentric ball valve according to claim 5, it is characterized in that: the bottom of valve seat is provided with the dismounting groove.
7. the spheroid assembly of a upper dress formula eccentric ball valve, include spheroid, be provided with the spheroid runner on this spheroid, it is characterized in that: on the relative spheroid runner one side outer wall of described spheroid, projection is provided with the ring packing sphere, this ring packing sphere and the same centre of sphere of spheroid, and this ring packing sphere and valve base sealing are equipped with, described spheroid assembly also includes valve rod and the lower rotary shaft that is arranged at the upper and lower two ends of spheroid, described valve rod and lower rotary shaft coaxially arrange, the centre of sphere of described ring packing sphere and spheroid is not on the axis of valve rod and lower rotary shaft, form eccentric setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202919312U CN203335913U (en) | 2013-05-24 | 2013-05-24 | Upper-installing type eccentric ball valve and ball assembly of upper-installing type eccentric ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202919312U CN203335913U (en) | 2013-05-24 | 2013-05-24 | Upper-installing type eccentric ball valve and ball assembly of upper-installing type eccentric ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335913U true CN203335913U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202919312U Expired - Lifetime CN203335913U (en) | 2013-05-24 | 2013-05-24 | Upper-installing type eccentric ball valve and ball assembly of upper-installing type eccentric ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335913U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712786A (en) * | 2015-03-20 | 2015-06-17 | 海安阀门厂有限公司 | Soft sealing structure for valve seat |
| CN104896133A (en) * | 2015-05-21 | 2015-09-09 | 清华大学 | Eccentric ball valve |
| CN105972240A (en) * | 2016-05-25 | 2016-09-28 | 杭州佳能阀门有限公司 | Tool-free upward-mounted fixing ball valve |
| CN107606214A (en) * | 2017-08-29 | 2018-01-19 | 苏州纽威阀门股份有限公司 | A kind of eccentric ball valve |
| CN116292965A (en) * | 2023-05-19 | 2023-06-23 | 胜利阀门有限公司 | Friction-free water seal eccentric hemispherical valve |
-
2013
- 2013-05-24 CN CN2013202919312U patent/CN203335913U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712786A (en) * | 2015-03-20 | 2015-06-17 | 海安阀门厂有限公司 | Soft sealing structure for valve seat |
| CN104896133A (en) * | 2015-05-21 | 2015-09-09 | 清华大学 | Eccentric ball valve |
| CN105972240A (en) * | 2016-05-25 | 2016-09-28 | 杭州佳能阀门有限公司 | Tool-free upward-mounted fixing ball valve |
| CN107606214A (en) * | 2017-08-29 | 2018-01-19 | 苏州纽威阀门股份有限公司 | A kind of eccentric ball valve |
| CN116292965A (en) * | 2023-05-19 | 2023-06-23 | 胜利阀门有限公司 | Friction-free water seal eccentric hemispherical valve |
| CN116292965B (en) * | 2023-05-19 | 2023-08-01 | 胜利阀门有限公司 | Friction-free water seal eccentric hemispherical valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |