CN206889735U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN206889735U CN206889735U CN201720706982.5U CN201720706982U CN206889735U CN 206889735 U CN206889735 U CN 206889735U CN 201720706982 U CN201720706982 U CN 201720706982U CN 206889735 U CN206889735 U CN 206889735U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- barrel
- ball valve
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000945 filler Substances 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 241000233855 Orchidaceae Species 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of ball valve, it includes a left valve barrel, a right valve barrel, a core, the left valve barrel is connected to the left side of the right valve barrel, and between the inside of the left valve barrel and the inside of the right valve barrel, the ball valve also includes the core：One flange bracket；Several support risers, the both ends of the support riser are removably attachable to the flange bracket and the right valve barrel respectively；One upper valve rod, the upper valve rod are rotatably inserted into the flange bracket；One lower valve rod, it is key connection between the top of the lower valve rod and the upper valve rod, the lower valve rod is rotatably inserted into the right valve barrel, and the bottom of the lower valve rod is connected to the top of the core.The utility model effectively improves the abrasion of lower stem portion structure, effectively improves the phenomenon that moment of torsion increases after ball valve is frequently opened.Meanwhile maintenance replacing need to be only carried out to upper valve rod part-structure, and safeguard and change simplicity.
Description
Technical field
A kind of valve is the utility model is related to, more particularly to a kind of ball valve.
Background technology
Ball valve can be applicable to the industries such as oil, chemical industry, natural gas, electric power.In existing ball valve, valve rod is all using one
Formula structure, the manufacture of this class formation is relatively easy, but under high pressure operating mode, because the active force on valve rod is larger, can force
The boss of valve rod and valve body direct friction, cause the common damage of valve rod and valve body.And integral type stem structure is because meeting is with valve
Body friction, causes that the drastically change of moment of torsion is big, and related possibility causes core and valve stem contacts surface damage, causes greatly to lose.
Meanwhile integral type stem structure is safeguarded cumbersome, it is necessary to change valve rod after dismantling valve when safeguarding.
Utility model content
The technical problems to be solved in the utility model be in order to overcome it is of the prior art because valve rod rub caused by damage,
Valve torque is big, safeguards the defects of cumbersome, there is provided a kind of ball valve.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of ball valve, it includes a left valve barrel, a right valve barrel, a core, and the left valve barrel is connected to the right valve barrel
Left side, between the inside of the left valve barrel and the inside of the right valve barrel, its feature is the core, the ball valve
Also include：
One flange bracket；
Several support risers, the both ends of the support riser are removably attachable to the flange bracket and described respectively
Right valve barrel；
One upper valve rod, the upper valve rod are rotatably inserted into the flange bracket；
One lower valve rod, it is key connection between the top of the lower valve rod and the upper valve rod, the lower valve rod is rotationally
It is embedded in the right valve barrel, and the bottom of the lower valve rod is connected to the top of the core.
It is preferred that the upper valve rod is sheathed on the top of the lower valve rod, and the internal face of the upper valve rod passes through flat key
It is connected to the outside wall surface at the top of the lower valve rod.
It is preferred that the left side of the right valve barrel is provided with a groove, the right side of the left valve barrel is provided with a bulge loop, the bulge loop
It is embedded in the groove；
The ball valve also includes a metal wound gasket, the metal wound gasket pressure located at the bulge loop and the groove it
Between.
It is preferred that the upper valve rod is provided with boss, the boss is from the outside wall surface of the upper valve rod along the upper valve rod
Radial direction stretch out projection, the flange bracket is sheathed on the outside wall surface of the upper valve rod, and the flange bracket supports
It is against the top of the boss.
It is preferred that the ball valve includes a guide bearing, a pad, the guide bearing and the pad are sheathed on
The outside wall surface of the upper valve rod, between the flange bracket and the upper valve rod, the pad pressure is set the guide bearing
Between the boss and the guide bearing.
It is preferred that the ball valve includes a filler assembly, a filler pressing sleeve flange, the filler assembly pressure is located at described
Between right valve barrel and the lower valve rod, the filler pressing sleeve flange is connected to the top of the right valve barrel, and the filler pressing sleeve
The bottom pressure of flange is located at the top of the filler assembly.
It is preferred that the ball valve, which includes, compresses stud, nut, spring loaded, the bottom for compressing stud is connected to
The top of the right valve barrel, and the compression stud passes through the filler pressing sleeve flange, the nut is connected to the compression spiral shell
Post and positioned at the top of the filler pressing sleeve flange, spring loaded pressure located at the filler pressing sleeve flange and the nut it
Between.
It is preferred that the ball valve includes a left valve seat, a right valve seat, the left valve seat pressure located at the left valve barrel with it is described
Between core, the right valve seat pressure is located between the right valve barrel and the core.
It is preferred that an elastic component is provided between the right valve seat and the right valve barrel.
It is preferred that pressure is provided with a metal o-ring between the left valve barrel and the right valve barrel.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with
Good example.
Positive effect of the present utility model is：
Ball valve of the present utility model, integral type valve rod is changed to upper valve rod and lower valve rod so that lower valve rod is only by circumference
Direction active force, the abrasion of lower stem portion structure is effectively improved, effectively improve what moment of torsion after ball valve is frequently opened increased
Phenomenon, improve the performance and service life of ball valve.Meanwhile maintenance replacing only need to be carried out to upper valve rod part-structure, and
Safeguard and change simplicity.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the ball valve of the utility model preferred embodiment.
Description of reference numerals：
Right valve barrel 1, metal wound gasket 11, metal o-ring 12
Left valve barrel 2
Core 3
Lower valve rod 4, filler assembly 41, filler pressing sleeve flange 42
Compress stud 43, nut 44, spring loaded 45
Upper valve rod 5, boss 51, guide bearing 52
Flange bracket 6
Support riser 7
Left valve seat 8
Right valve seat 9, elastic component 91
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
As shown in figure 1, ball valve of the present utility model, it includes a left valve barrel 2, a right valve barrel 1, a core 3, a lower valve
Bar 4, a upper valve rod 5, a flange bracket 6, several support risers 7, left valve barrel 2 are connected to the left side of right valve barrel 1, core 3
Between the inside of left valve barrel 2 and the inside of right valve barrel 1.Lower valve rod 4 is rotatably inserted into right valve barrel 1, and lower valve rod 4
Bottom is connected to the top of core 3, and flange bracket 6 is located at the top of right valve barrel 1, and upper valve rod 5 is rotatably inserted into Support Method
In orchid 6, and it is key connection between the top of upper valve rod 5 and lower valve rod 4.Upper valve rod 5 and lower valve will be changed to by integral type valve rod before
Bar 4, when in use, active force only is applied to upper valve rod 5, circumferencial direction active force is only transmitted between upper valve rod 5 and lower valve rod 4,
So that lower valve rod 4 is only transferred on flange bracket 6 by circumferencial direction active force, the active force in other directions by upper valve rod 5,
Lower valve rod 4 is greatly reduced to the mantle friction between right valve barrel 1 and core 3, effectively improves the mill of the part-structure of lower valve rod 4
Damage, realize that ball valve, without jam phenomenon, effectively improves the phenomenon that moment of torsion increases after ball valve is frequently opened, improved when high frequency is opened
The performance and service life of ball valve.
The both ends of support riser 7 are removably attachable to flange bracket 6 and right valve barrel 1 respectively.It is effective by support riser 7
The structural strength of reinforced support flange 6, effectively prevent flange bracket 6 from producing skew inconsistent phenomenon.Meanwhile ball valve is frequently being opened
Only understand generation direct friction between upper valve rod 5 and flange bracket 6 afterwards to cause to wear, lower valve rod 4 is only by circumferencial direction active force, institute
With typically without carrying out maintenance replacing to valve inner structure.Upper valve rod 5 and flange bracket 6 need to only be safeguarded and change simplicity, greatly
It is big to reduce workload and maintenance replacement cost.Preferably, the quantity of support riser 7 is two, is symmetrically distributed in the He of flange bracket 6
The both ends of right valve barrel 1.
Upper valve rod 5 can be sheathed on the top of lower valve rod 4, and the internal face of upper valve rod 5 can be connected to down by flat key
The outside wall surface at the top of valve rod 4.So that between upper valve rod 5 and lower valve rod 4 safeguard and it is easy to loading and unloading.
In order to effectively strengthen the effect of structural strength between upper valve rod 5 and flange bracket 6, flange bracket 6 can be sheathed on
The outside wall surface of upper valve rod 5, position-limiting action is carried out to upper valve rod 5.Boss 51 can be provided with upper valve rod 5, boss 51 is from upper valve rod 5
Radial direction of the outside wall surface along upper valve rod 5 stretch out projection, flange bracket 6 is resisted against the top of boss 51.Strengthen upper valve
Structural strength between bar 5 and flange bracket 6, prevent upper valve rod 5 from producing skew inconsistent phenomenon, extend ball valve service life.
Ball valve can include a guide bearing 52, a pad (not shown), and guide bearing 52 and pad are arranged
In the outside wall surface of upper valve rod 5, between flange bracket 6 and upper valve rod 5, guide bearing 52 plays lubrication and made guide bearing 52
With can effectively mitigate the moment of torsion of ball valve.Pad pressure is located between boss 51 and guide bearing 52, reduces upper valve rod 5 and branch
Abrasion between frame flange 6.
In order to reach the effect for strengthening ball valve sealing.Ball valve can include a filler assembly 41, a filler pressing sleeve flange
42, the pressure of filler assembly 41 is located between right valve barrel 1 and lower valve rod 4, and filler assembly 41 seals, and prevents ball valve to be situated between in conveying
Leaked outside during matter at lower valve rod 4.Filler pressing sleeve flange 42 is connected to the top of right valve barrel 1, and filler pressing sleeve flange 42
Bottom pressure is located at the top of filler assembly 41.Filler assembly 41 is compressed by filler pressing sleeve flange 42, further strengthens sealing effect
Fruit.Filler assembly 41 can be used cooperatively using wire with graphite, and both ends, pure stone are put into by the filler of wire plus graphite
The filler of ink is put into centre, ensures the sealing to lower valve rod 4, meanwhile, it also prevent pure graphite damage.
Ball valve, which can include, compresses stud 43, nut 44, spring loaded 45, and the bottom for compressing stud 43 is connected to right valve
The top of body 1, and compress stud 43 and pass through filler pressing sleeve flange 42, nut 44 is connected to compression stud 43 and is located at filler pressing sleeve
The top of flange 42, the pressure of spring loaded 45 are located between filler pressing sleeve flange 42 and nut 44.It can be mended by spring loaded 45
The gap during loosening of clamp nut 44 and filler pressing sleeve flange 42 is repaid, ensures the sealing effectiveness of filler assembly 41.
Ball valve can include a left valve seat 8, a right valve seat 9, and the left pressure of valve seat 8 is located between left valve barrel 2 and core 3, right valve
The pressure of seat 9 is located between right valve barrel 1 and core 3.Dual-seal is formed by left valve seat 8 and right valve seat 9 so that ball valve can keep good
Good sealing property.
Elastic component 91 can be provided between right valve seat 9 and right valve barrel 1.Right valve seat 9 can be provided and opened by elastic component 91
Clamp force so that be close between right valve seat 9 and core 3 and form sealing structure, guarantee forms excellent sealing.Wherein, elastic component 91
It can be spring.
In order to reach the sealing effectiveness between reinforcement left valve barrel 2 and right valve barrel 1, the left side of right valve barrel 1 can be recessed provided with one
Groove, the right side of left valve barrel 2 are provided with a bulge loop, and bulge loop is embedded in groove.By the way that positioning dress can be realized between bulge loop and groove
Unload.Ball valve can include a metal wound gasket 11, and the pressure of metal wound gasket 11 is located between bulge loop and groove.Groove effectively limits
Metal wound gasket 11 produces skew, effectively strengthens the sealing effectiveness between left valve barrel 2 and right valve barrel 1.Left valve barrel 2 and right valve barrel 1
Between can also press provided with a metal o-ring 12, by the dual-seal of metal wound gasket 11 and metal o-ring 12, effectively
Improve the problem of leakage of the ball valve under high-pressure medium environment.
The structure of ball valve of the present utility model is novel, reasonable, has anti-high pressure, anti-high abrasion, safe, reliability
The features such as height, high sealing performance, it can be used in the operating modes such as high temperature, ultralow temperature, soda acid.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of ball valve, it includes a left valve barrel, a right valve barrel, a core, and the left valve barrel is connected to the right valve barrel
Left side, the core is between the inside of the left valve barrel and the inside of the right valve barrel, it is characterised in that the ball valve is also
Include：
One flange bracket；
Several support risers, the both ends of the support riser are removably attachable to the flange bracket and the right valve respectively
Body；
One upper valve rod, the upper valve rod are rotatably inserted into the flange bracket；
One lower valve rod, is key connection between the top of the lower valve rod and the upper valve rod, and the lower valve rod is rotationally embedded
In in the right valve barrel, and the bottom of the lower valve rod is connected to the top of the core.
2. ball valve as claimed in claim 1, it is characterised in that the upper valve rod is sheathed on the top of the lower valve rod, and institute
State upper valve rod internal face be connected to by flat key the lower valve rod top outside wall surface.
3. ball valve as claimed in claim 1, it is characterised in that the left side of the right valve barrel is provided with a groove, the left valve barrel
Right side be provided with a bulge loop, the bulge loop is embedded in the groove；
The ball valve also includes a metal wound gasket, and the metal wound gasket pressure is located between the bulge loop and the groove.
4. ball valve as claimed in claim 1, it is characterised in that the upper valve rod is provided with boss, and the boss is from described
Radial direction of the outside wall surface of valve rod along the upper valve rod stretches out projection, and the flange bracket is sheathed on the upper valve rod
Outside wall surface, and the flange bracket is resisted against the top of the boss.
5. ball valve as claimed in claim 4, it is characterised in that the ball valve includes a guide bearing, a pad, described to lead
Be sheathed on the outside wall surface of the upper valve rod to bearing and the pad, the guide bearing be located at the flange bracket with it is described
Between upper valve rod, the pad pressure is located between the boss and the guide bearing.
6. ball valve as claimed in claim 1, it is characterised in that the ball valve includes a filler assembly, a filler pressing sleeve method
Orchid, the filler assembly pressure are located between the right valve barrel and the lower valve rod, and the filler pressing sleeve flange is connected to the right side
The top of valve body, and the bottom pressure of the filler pressing sleeve flange is located at the top of the filler assembly.
7. ball valve as claimed in claim 6, it is characterised in that the ball valve, which includes, compresses stud, nut, spring loaded,
The bottom for compressing stud is connected to the top of the right valve barrel, and the compression stud passes through the filler pressing sleeve flange,
The nut is connected to the compression stud and positioned at the top of the filler pressing sleeve flange, and the spring loaded pressure is located at described
Between filler pressing sleeve flange and the nut.
8. ball valve as claimed in claim 1, it is characterised in that the ball valve includes a left valve seat, a right valve seat, the left valve
Seat pressure is located between the left valve barrel and the core, and the right valve seat pressure is located between the right valve barrel and the core.
9. ball valve as claimed in claim 8 a, it is characterised in that elasticity is provided between the right valve seat and the right valve barrel
Part.
10. ball valve as claimed in any one of claims 1-9 wherein, it is characterised in that between the left valve barrel and the right valve barrel
Pressure is provided with a metal o-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706982.5U CN206889735U (en) | 2017-06-16 | 2017-06-16 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706982.5U CN206889735U (en) | 2017-06-16 | 2017-06-16 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889735U true CN206889735U (en) | 2018-01-16 |
Family
ID=61318961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706982.5U Expired - Fee Related CN206889735U (en) | 2017-06-16 | 2017-06-16 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541946A (en) * | 2019-08-23 | 2019-12-06 | 江苏盐电阀门有限公司 | Wear-resisting ball valve capable of resisting high temperature and high pressure |
-
2017
- 2017-06-16 CN CN201720706982.5U patent/CN206889735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541946A (en) * | 2019-08-23 | 2019-12-06 | 江苏盐电阀门有限公司 | Wear-resisting ball valve capable of resisting high temperature and high pressure |
| CN110541946B (en) * | 2019-08-23 | 2021-02-02 | 江苏盐电阀门有限公司 | Wear-resisting ball valve capable of resisting high temperature and high pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180702 Address after: 201323 32 Pudong New Area Golden Road Industrial Park, Zhu Qiao Town, Shanghai Patentee after: FLOAUTO (SHANGHAI) CONTROL VALVE Co.,Ltd. Address before: 201323 Pudong New Area, 32, 2, Jin Liang Road, Shanghai. Patentee before: YANKE (SHANGHAI) VALVE INDUSTRY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 |