CN207333794U - A kind of eccentric ball valve with packing seal structure - Google Patents
A kind of eccentric ball valve with packing seal structure Download PDFInfo
- Publication number
- CN207333794U CN207333794U CN201721185492.1U CN201721185492U CN207333794U CN 207333794 U CN207333794 U CN 207333794U CN 201721185492 U CN201721185492 U CN 201721185492U CN 207333794 U CN207333794 U CN 207333794U
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- CN
- China
- Prior art keywords
- valve
- seal structure
- valve rod
- filler
- packing seal
- 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
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Abstract
It the utility model is related to a kind of eccentric ball valve with packing seal structure, including valve body, ball valve, valve rod；The valve body has medium inlet, passage and media outlet, and valve seat and the ball valve with valve seat cooperation able to turn on or off are equipped with the valve channel；The valve rod includes upper valve rod and lower valve rod；The upper valve rod and lower valve rod are fixedly arranged on the upper/lower terminal of the ball valve respectively, and upper valve rod is through the top of valve body and is sheathed in the guide sleeve set by valve body, and lower valve rod is installed in rotation in the passage of the valve body；Packing seal structure is equipped between the upper valve rod and valve body.The utility model is simple and compact for structure, and packing seal structure is adapted with valve rod can keep the leakproofness of valve not produce leakage, and preferable leakproofness can be also kept in the case of high-temperature heating.
Description
Technical field
It the utility model is related to ball valve technical field, more particularly to a kind of eccentric ball valve with packing seal structure.
Background technology
Existing ball valve makees opening and closing element to be a kind of with the sphere with circular through hole, and core is rotated with valve rod, is opened and closed with realizing
The valve of action.And the sphere of the ball valve is located at interface channel mainly by body and the interface channel on body on body
Axial both ends be respectively equipped with and promote traffic channel and the opening of extraneous conducting, due to the cross section of opening and the horizontal stroke of interface channel
Section is consistent, i.e., its diameter is identical, and the flow-rate adjustment of ball valve relies on valve rod spinning ball.The ball-valve structure is complicated, volume is big, ball
Body is more open with sealing surface, not compact enough, and leakage point is more, poor sealing；And the sealing generally use stuffing-box of valve rod
Form, places filler between valve rod and stuffing-box.
But this common filling-material structure can not meet the conveying of some special medias, especially conveying containing
Grain, silt are higher to the sealing requirements of filling-material structure when the medium of impurity, after a number of uses, small in medium
Grain, impurity can be brought into filler part by valve rod so that filler part is infiltrated or larger abrasion, influences whole filler part
Leakproofness.
Utility model content
The purpose of this utility model is that being the defects of overcoming the prior art, and provide a kind of more compact structure, transmission effect
Rate higher, reliability, the eccentric ball valve with packing seal structure of better tightness.
To achieve the above object, the utility model uses following technical scheme：A kind of bias with packing seal structure
Ball valve, including valve body, ball valve, valve rod；The valve body has medium inlet, passage and media outlet, is set in the valve channel
There are valve seat and the ball valve with valve seat cooperation able to turn on or off；The valve rod includes upper valve rod and lower valve rod；The upper valve rod and
Lower valve rod is fixedly arranged on the upper/lower terminal of the ball valve respectively, and upper valve rod is through the top of valve body and is sheathed on leading set by valve body
Into set, lower valve rod is installed in rotation in the passage of the valve body；Packing seal is equipped between the upper valve rod and valve body
Structure.
Further, the packing seal structure includes being fixed on the pressing plate of body top, is assembled in pressing plate and guide sleeve
Between gland and filler；The pressing plate is fixed on body top by studs, is set between the pressing plate and valve body
There is the gland, gland is used to compress the filler.
Further, the upper valve rod is arranged with dottle pin circle, and the dottle pin circle is located in the middle part of the filler.
Further, between the gland and guide sleeve from top to bottom successively be equipped with upper pad, filler, lower liner with
And packing spring；By be fixed on body top studs can by gland, upper pad, filler, lower liner and
Packing spring is closely pressed on the guide sleeve.
Further, the filler is v-shaped tetrafluoro filler.
Further, a step is equipped with the valve body, the guide sleeve is fixed on the step.
Further, the ball valve is half valve fixing ball valve.
Further, it includes pneumatic actuator, stent；Pneumatic actuator is fixed on above stent, and valve body is fixed
Below stent and upper valve rod is rotatablely connected through valve body and pneumatic actuator.
The beneficial effect of the utility model compared with prior art is：The whole packing seal structure of the utility model be from
The top of valve body loads, and is closely pressed on whole packing seal structure on guide sleeve by studs so that valve rod
There can be good dynamic sealing during the motion, prevent the medium in valve body from being leaked out at packing seal structure.This reality
With new structure simple and compact, packing seal structure is adapted with valve rod can keep the leakproofness of valve not produce leakage,
Preferable leakproofness can be also kept in the case of high-temperature heating.
Brief description of the drawings
Fig. 1 is the overall schematic cross-sectional view of the utility model；
Fig. 2 is the second embodiment schematic diagram of the utility model packing seal structure.
In figure：Valve body 1, packing seal structure 2, valve rod 3, ball valve 4, valve seat 5, guide sleeve 6, passage 7, medium inlet 8, Jie
Matter outlet 9, step 10, upper valve rod 11, lower valve rod 12, pneumatic actuator 13, stent 14, pressing plate 21, gland 22, filler
23rd, dottle pin circle 24, upper pad 25, lower liner 26, packing spring 27.
Embodiment
In order to more fully understand the technology contents of the utility model, the skill with reference to specific embodiment to the utility model
Art scheme is described further and illustrates.
The concrete structure of the utility model embodiment as illustrated in fig. 1 and 2, a kind of eccentric sphere with packing seal structure
Valve, including valve body 1, ball valve 4, valve rod 3.Valve body 1 has medium inlet 8, passage 7 and media outlet 9, is equipped with 1 passage 7 of valve body
Valve seat 5 and the ball valve 4 with 5 cooperation able to turn on or off of valve seat.Wherein, the medium inlet 8 on valve body 1 connects simultaneously shape with media outlet 9
Into the passage 7 for flow of media, ball valve 4 is installed in the passage 7 of valve body 1, and valve seat 5 is installed at media outlet 9, valve seat 5
Port can be close to seal with the sphere of ball valve 4.Valve rod 3 includes upper valve rod 11 and lower valve rod 12.Upper valve rod 11 and lower valve rod 12
The upper/lower terminal of ball valve 4 is fixedly arranged on respectively, and upper valve rod 11 is through the top of valve body 1 and is sheathed on the guide sleeve 6 set by valve body 1
Interior, lower valve rod 12 is installed in rotation in the passage of valve body 1, and packing seal structure 2 is equipped between upper valve rod 11 and valve body 1.
Preferably, packing seal structure 2 includes being fixed on the pressing plate 21 at the top of valve body 1, is assembled in pressing plate 21 and guide sleeve 6
Between gland 22 and filler 23.Pressing plate 21 is fixed on the top of valve body 1 by studs, between pressing plate 21 and valve body 1
Equipped with gland, which is used to compress the filler.
Preferably, upper valve rod 11 is arranged with dottle pin circle 24, and dottle pin circle 24 is located at the middle part of filler 23.The dottle pin circle 24 is used for will
Impurity in filler 23 or the medium leaked out are drained in dottle pin circle 24 and facilitate pipette to be suctioned out.
Preferably, as shown in Fig. 2, the present embodiment is another embodiment of packing seal structure 2, as shown in Figure 2；Filler
Upper pad 25, filler 23, lower liner 26 and packing spring 27 are from top to bottom equipped between gland 22 and guide sleeve 6 successively.It is logical
Crossing the studs being fixed at the top of valve body 1 can be by gland 22, upper pad 25, filler 23, lower liner 26 and filler
Spring 27 is closely pressed on guide sleeve 6.
Preferably, filler 23 is v-shaped tetrafluoro filler.When the V-arrangement tetrafluoro filler of loading rubs with upper valve rod 11, V-arrangement tetrafluoro
Filler presses fitting upper valve rod, compensates the abrasion produced by friction, can effectively block leakage-gap, improves the close of ball valve 4
Feng Xing.
Preferably, a step 10 is equipped with valve body 1, guide sleeve 6 is fixed on step 10.Preferably, ball valve 4 is consolidated for half valve
Determine ball valve.By the smooth rotation of the half valve fixing ball valve in valve seat 5, just the unlatching of energy control valve and closure, realize pipe
The conducting of medium in road.
Preferably, it includes pneumatic actuator 13, stent 14.Pneumatic actuator 13 is fixed on the top of stent 14, valve
Body 1 is fixed on the lower section of stent 14 and upper valve rod 11 is rotatablely connected through valve body 1 with pneumatic actuator 13.Pneumatic actuator 13
Drive the ball valve 4 being fixedly connected with upper valve rod 11 to be rotated in valve seat 5, and then control being turned on and off for the valve.
The whole packing seal structure of the utility model is loaded from the top of valve body, and will entirely be filled out by studs
Material sealing structure is closely pressed on guide sleeve so that valve rod can have good dynamic sealing during the motion, prevent valve
Internal medium leaks out at packing seal structure.The utility model is simple and compact for structure, packing seal structure and valve rod
Being adapted can keep the leakproofness of valve not produce leakage, can also keep preferable close in the case of high-temperature heating
Feng Xing.
The technology contents set forth above that the utility model is only further illustrated with embodiment, in order to which reader is easier to manage
Solution, but the embodiment for not representing the utility model is only limitted to this, and any technology done according to the utility model extends or creates again
Make, protected by the utility model.
Claims (8)
1. a kind of eccentric ball valve with packing seal structure, including valve body, ball valve, valve rod；It is characterized in that：The valve body tool
There are medium inlet, passage and media outlet, valve seat and the ball with valve seat cooperation able to turn on or off are equipped with the valve channel
Valve；The valve rod includes upper valve rod and lower valve rod；The upper valve rod and lower valve rod are fixedly arranged on upper and lower the two of the ball valve respectively
End, upper valve rod is through the top of valve body and is sheathed in the guide sleeve set by valve body, and lower valve rod is installed in rotation on the valve
In the passage of body；Packing seal structure is equipped between the upper valve rod and valve body.
A kind of 2. eccentric ball valve with packing seal structure according to claim 1, it is characterised in that：The filler is close
Seal structure includes pressing plate, the gland and filler being assembled between pressing plate and guide sleeve for being fixed on body top；The pressure
Plate is fixed on body top by studs, and the gland is equipped between the pressing plate and valve body, and gland is used for
Compress the filler.
A kind of 3. eccentric ball valve with packing seal structure according to claim 2, it is characterised in that：The upper valve rod
Dottle pin circle is arranged with, the dottle pin circle is located in the middle part of the filler.
A kind of 4. eccentric ball valve with packing seal structure according to claim 2, it is characterised in that：The filler pressure
Upper pad, filler, lower liner and packing spring are from top to bottom equipped with successively between lid and guide sleeve；By being fixed on valve body top
Gland, upper pad, filler, lower liner and packing spring can be closely pressed on the guiding by the studs in portion
Put on.
A kind of 5. eccentric ball valve with packing seal structure according to claim 4, it is characterised in that：The filler is
V-shaped tetrafluoro filler.
A kind of 6. eccentric ball valve with packing seal structure according to claim 2, it is characterised in that：In the valve body
Equipped with a step, the guide sleeve is fixed on the step.
A kind of 7. eccentric ball valve with packing seal structure according to claim 1, it is characterised in that：The ball valve is
Half valve fixing ball valve.
A kind of 8. eccentric ball valve with packing seal structure according to claim 1, it is characterised in that：It includes pneumatic
Executing agency, stent；Pneumatic actuator is fixed on above stent, valve body be fixed on below stent and upper valve rod through valve body with
Pneumatic actuator is rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185492.1U CN207333794U (en) | 2017-09-15 | 2017-09-15 | A kind of eccentric ball valve with packing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185492.1U CN207333794U (en) | 2017-09-15 | 2017-09-15 | A kind of eccentric ball valve with packing seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333794U true CN207333794U (en) | 2018-05-08 |
Family
ID=62369396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721185492.1U Expired - Fee Related CN207333794U (en) | 2017-09-15 | 2017-09-15 | A kind of eccentric ball valve with packing seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883299A (en) * | 2021-09-28 | 2022-01-04 | 无锡市亚迪流体控制技术有限公司 | Sealing structure and valve device comprising same |
-
2017
- 2017-09-15 CN CN201721185492.1U patent/CN207333794U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883299A (en) * | 2021-09-28 | 2022-01-04 | 无锡市亚迪流体控制技术有限公司 | Sealing structure and valve device comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |