CN209587212U - A kind of low pressure ball-cock device of belt wear compensation - Google Patents
A kind of low pressure ball-cock device of belt wear compensation Download PDFInfo
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- CN209587212U CN209587212U CN201920235421.0U CN201920235421U CN209587212U CN 209587212 U CN209587212 U CN 209587212U CN 201920235421 U CN201920235421 U CN 201920235421U CN 209587212 U CN209587212 U CN 209587212U
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- elastomer
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Abstract
The utility model discloses a kind of low pressure ball-cock devices of belt wear compensation comprising left valve barrel, right valve barrel, left sealing block, right sealing block, sphere, valve rod and elastomer；The left sealing block is connected to the right side of left valve barrel, and right sealing block is connected to the left side of right valve barrel；The sphere is set between left sealing block and right sealing block, and valve rod is fixed on the top of sphere；Between the left valve barrel and left sealing block, elastomer is respectively equipped between right valve barrel and right sealing block.The sealing performance that the utility model improves ball valve by the way that sealing block is arranged between valve body and sphere, elastomer is set between sealing block and valve body simultaneously, after ball valve wears sealing block, it can play the role of wear-compensating by sealing block of the elastomer to abrasion, to extend the service life of ball valve, expand the use scope of ball valve.
Description
Technical field
The utility model belongs to the low pressure ball-cock device of ball valve technical field more particularly to a kind of compensation of belt wear.
Background technique
Ball valve (ball valve), the valve that opening and closing element (sphere) is driven by valve rod, and rotated around ball valve axis.
Also can be used for the adjusting and control of fluid, wherein firmly sealing its V-type core of V-type ball valve and pile-up welding hard alloy metal seat valve it
Between have very strong shearing force, the medium especially suitable for fibre-bearing, small solid pellet etc..And multi-pass ball valve on pipeline not
The interflow that only can flexibly control medium, the switching for shunting and flowing to, while any channel can also be closed and make other two channel
It is connected.This class valve should be generally horizontally mounted in the duct.Ball valve is divided into according to driving method: pneumatic ball valve, electrical ball valve,
Manual ball valve.
Application No. is the utility model patents of CN201720353062.X to disclose a kind of all-welded ball valve for Chinese patent net,
Be socketed with valve stem sleeve including valve body, upper valve rod, lower valve rod and the sphere connected with the two, outside upper valve rod, valve stem sleeve with
Sphere, valve body connection, are provided with first self-lubricating bearing of the housing outside upper valve rod, institute between the upper valve rod and valve stem sleeve
State the second self-lubricating bearing and the first sealing ring that housing is provided between sphere and valve stem sleeve outside valve stem sleeve, first
Sealing ring is located at the close sphere outer peripheral surface above the second self-lubricating bearing.Polytetrafluoroethylene (PTFE) is mostly used inside conventional ball valve greatly
Sealing, the problem of being easy to appear poor sealing, and in sphere rotation process, due to sphere surrounding extruding is caused it is biggish
Abrasion, this results in the ball valve service life to shorten significantly, is not suitable under many working environments.
Utility model content
Based on background technique there are the problem of, the purpose of this utility model is to provide a kind of good seal performance, can mend
Repay the low pressure ball-cock device of valve body wear.
For the attainment of one's purpose, technical solution provided by the utility model are as follows:
The utility model relates to a kind of low pressure ball-cock devices of belt wear compensation comprising left valve barrel, right valve barrel, left sealing
Block, right sealing block, sphere, valve rod and elastomer；The left sealing block is connected to the right side of left valve barrel, and right sealing block is connected to
The left side of right valve barrel；The sphere is set between left sealing block and right sealing block, and valve rod is fixed on the top of sphere；Described
Between left valve barrel and left sealing block, elastomer is respectively equipped between right valve barrel and right sealing block.
Preferably, left convex edge is connected on the left of the left valve barrel, left convex edge is equipped with hoop component, the right side of right valve barrel
It is connected with right convex edge, hoop component is mainly used for the connection with external pipe, plays the role of leakproof after connection.
Preferably, the valve rod top is connect with pneumatic actuator, be equipped in pneumatic actuator open touch device and
Close touch device.This ball valve is pneumatic ball valve device, easy to use, is executed quick.
Preferably, annular groove is correspondingly arranged between the left valve barrel and left sealing block, between right valve barrel and right sealing block
It is correspondingly arranged annular groove, the elastomer installation is in a ring groove.Elastomer, which is set in annular groove, mainly to be prevented from destroying
Under the premise of the leakproofness of ball valve, moreover it is possible to play the role of wear-compensating.
Preferably, the elastomer is O-ring or silicagel pad, and O-ring and silicagel pad are more convenient when installation,
Using being directly placed into or installation by adhering, and O-ring and silicagel pad elastic effect can also reach the requirement of the present apparatus.
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
The utility model improves the sealing performance of ball valve by the way that sealing block is arranged between valve body and sphere, while sealing
Elastomer is set between block and valve body, after ball valve wears sealing block, can be played by sealing block of the elastomer to abrasion
The effect of wear-compensating expands the use scope of ball valve to extend the service life of ball valve.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model.
Mark explanation in schematic diagram:
1- left valve barrel；2- right valve barrel；The left sealing block of 3-；The right sealing block of 4-；5- sphere；6- valve rod；7- elastomer；The left side 8- is convex
Edge；9- hoop component；10- pneumatic actuator；11- annular groove；The right convex edge 12-.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the embodiments, it is real below
Example is applied for illustrating the utility model, but is not intended to limit the scope of the present invention.
As depicted in figs. 1 and 2, the present embodiment is related to a kind of low pressure ball-cock device of belt wear compensation comprising left valve barrel
1, right valve barrel 2, left sealing block 3, right sealing block 4, sphere 5, valve rod 6 and elastomer 7；The left sealing block 3 is connected to left valve
The right side of body 1, right sealing block 4 are connected to the left side of right valve barrel 2；The sphere be set to left sealing block 3 and right sealing block 4 it
Between, valve rod 6 is fixed on the top of sphere 5；Between the left valve barrel 1 and left sealing block 3, between right valve barrel 2 and right sealing block 4
It is respectively equipped with elastomer 7, after 5 pairs of ball valve left sealing blocks 3 and the abrasion of right sealing block 4,7 pairs of the elastomer left sides worn can be passed through
Sealing block 3 and right sealing block 4 jack up a certain distance to 5 side of sphere, play the role of wear-compensating, to extend ball valve
Service life expands the use scope of ball valve.Left sealing block 3 and right sealing are set between left valve barrel 1, right valve barrel 2 and sphere 5
The sealing performance of the raising ball valve of block 4.The left side of the left valve barrel 1 is connected with left convex edge 8, and left convex edge is equipped with hoop component 9, right
Right convex edge is connected on the right side of valve body, hoop component 9 is mainly used for the connection with external pipe, and leakproof work is played after connection
With.6 top of valve rod is connect with pneumatic actuator 10, is equipped with to open touch device and close in pneumatic actuator 10 and be touched
Device.This ball valve is pneumatic ball valve device, easy to use, is executed quick.
It is correspondingly arranged annular groove 11 between the left valve barrel 1 and left sealing block 3, it is right between right valve barrel 2 and right sealing block 4
Annular groove 11 should be set, and the elastomer 7 is mounted in annular groove 11.Elastomer 7 is set in annular groove 11 mainly anti-
Under the premise of the leakproofness for only destroying ball valve, moreover it is possible to play the role of wear-compensating.The elastomer 7 is O-ring or silica gel
Pad, O-ring and silicagel pad are more convenient when installation, using being directly placed into or installation by adhering, and O-ring and silicon
Rubber mat elastic effect can also reach the requirement of the present apparatus.
Utility model works principle:
When ball valve is opened, pneumatic actuator 10, which is opened, opens touch device, and valve rod 6 pushes sphere 5 to be rotated by 90 °, makes a left side
Valve body 1 is communicated with right valve barrel 2.It is finished wait work, pneumatic actuator 10, which executes, closes touch device, and valve rod 7 drives sphere back
It is rotated by 90 °, returns to original state.During rotating sphere 5 repeatedly, left sealing block 2 and right sealing block 4 can be by certain journeys
The abrasion of degree.After abrasion, left sealing block 2 and right sealing block 4 can be jacked up certain height to 5 side of sphere by elastomer 7, be risen
To the effect of wear-compensating.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in also be the embodiments of the present invention, actual structure is not limited to this.So the common skill of this field
Art personnel are enlightened by it, without deviating from the purpose of the present invention, are not inventively designed and the technology
The similar frame mode of scheme and embodiment, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of low pressure ball-cock device of belt wear compensation, it is characterised in that: it includes left valve barrel, right valve barrel, left sealing block, the right side
Sealing block, sphere, valve rod and elastomer；The left sealing block is connected to the right side of left valve barrel, and right sealing block is connected to right valve
The left side of body；The sphere is set between left sealing block and right sealing block, and valve rod is fixed on the top of sphere；The left valve
Between body and left sealing block, elastomer is respectively equipped between right valve barrel and right sealing block.
2. the low pressure ball-cock device of belt wear compensation according to claim 1, it is characterised in that: the left side of the left valve barrel
It is connected with left convex edge, left convex edge is equipped with hoop component, is connected with right convex edge on the right side of right valve barrel.
3. the low pressure ball-cock device of belt wear according to claim 1 compensation, it is characterised in that: the valve rod top with
Pneumatic actuator connection, interior be equipped with of pneumatic actuator open touch device and close touch device.
4. the low pressure ball-cock device of belt wear compensation according to claim 1, it is characterised in that: the left valve barrel and a left side
It is correspondingly arranged annular groove between sealing block, annular groove, the elastomer installation are correspondingly arranged between right valve barrel and right sealing block
In a ring groove.
5. the low pressure ball-cock device of belt wear compensation according to claim 1, it is characterised in that: the elastomer is O
Type circle or silicagel pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920235421.0U CN209587212U (en) | 2019-02-25 | 2019-02-25 | A kind of low pressure ball-cock device of belt wear compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920235421.0U CN209587212U (en) | 2019-02-25 | 2019-02-25 | A kind of low pressure ball-cock device of belt wear compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587212U true CN209587212U (en) | 2019-11-05 |
Family
ID=68356116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920235421.0U Active CN209587212U (en) | 2019-02-25 | 2019-02-25 | A kind of low pressure ball-cock device of belt wear compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587212U (en) |
-
2019
- 2019-02-25 CN CN201920235421.0U patent/CN209587212U/en active Active
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