CN203532814U - Fluorine lining gate valve - Google Patents
Fluorine lining gate valve Download PDFInfo
- Publication number
- CN203532814U CN203532814U CN201320626471.4U CN201320626471U CN203532814U CN 203532814 U CN203532814 U CN 203532814U CN 201320626471 U CN201320626471 U CN 201320626471U CN 203532814 U CN203532814 U CN 203532814U
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- China
- Prior art keywords
- valve
- flashboard
- valve body
- valve rod
- liquid
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- Expired - Fee Related
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- Lift Valve (AREA)
Abstract
The utility model discloses a fluorine lining gate valve which comprises a valve body, a valve deck, a valve rod and a driving device connected with the end, opposite to the valve body, of the valve rod. A gate plate used for controlling a liquid flow channel to be opened or closed is arranged in the liquid flow channel, the gate plate is connected with the end, opposite to the driving device, of the valve rod, a buffer chamber capable of at least allowing one stroke of the gate plate is formed in the portion, corresponding to the closing end of the gate plate, of the valve body, the valve rod is connected with the gate plate in the buffer chamber, a neck part is arranged at the intersection position of the buffering chamber and the liquid flow channel, the gate plate is in a wedge shape and comprises a connecting end and a connecting butting end used for making butting contact with the end, opposite to the valve deck, of the valve body, the connecting end is in an outward protruding edge shape, the outer edge of the connecting end is in butting connection with the inner wall of the buffering chamber of the valve body, the connecting end is arranged on the neck part in a clamping mode in the buffering chamber, and fluorine plastic layers are lined on the inner wall of the valve body and the gate plate. The fluorine lining gate valve is capable of preventing liquid from entering the buffering chamber to corrode component parts of the valve when the valve works, strong in corrosion resistance and long in service life.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of lining fluorine gate valve.
Background technique
The open-shut device of gate valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and gate valve can only be made standard-sized sheet and complete shut-down, can not make adjustments and throttling.Flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape, key groove is different with valve parameter.
Existing gate valve comprises the drive unit that is provided with the valve body of liquid chunnel, the valve gap connecting with valve body, stretches into the valve rod in liquid chunnel and be connected with the other end of the relative valve body of valve rod through valve gap, in liquid chunnel, be provided with the flashboard opening and closing for controlling liquid chunnel, flashboard connects with the other end of the relative drive unit of valve rod, the closed end of the corresponding flashboard of valve body is provided with the buffer chamber of at least holding a stroke of flashboard, flashboard is generally tabular setting, by the driving drive flashboard rising of drive unit or the liquid stream in lower general who has surrendered's liquid chunnel, is gone together or is blocked.Liquid is easily along with the keying to liquid chunnel of flashboard enters into cushion chamber falls when work for the gate valve of this set, and the deposition of liquid will be corroded the constituent elements of the valves such as valve rod, body cavity and flashboard, thereby reduces the working life of valve.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of lining fluorine gate valve, and this kind of gate valve can prevent when valve working that liquid from entering the constituent elements of buffer chamber corrosion valve, the strong and long service life of corrosion resistance.
For achieving the above object, the utility model provides following technological scheme:
A kind of lining fluorine gate valve, comprise the valve body that is provided with liquid chunnel, the valve gap being connected with valve body, the drive unit that stretches into the valve rod in liquid chunnel and connect with the other end of the relative valve body of valve rod through valve gap, in described liquid chunnel, be provided with the flashboard opening and closing for controlling liquid chunnel, described flashboard connects with the other end of the relative drive unit of valve rod, the closed end of the corresponding flashboard of described valve body is provided with the buffer chamber of at least holding a stroke of flashboard, described valve rod connects flashboard in buffer chamber, described buffer chamber Yu Ye passage intersection is neck, described flashboard is wedge shape setting, described flashboard comprises that connecting end and the conflict of the other end for the relative valve gap of valve body being connected the end of conflicting, described connecting end is convex along shape setting, described connecting end outer edge is conflicted and is connected with the inwall of valve body buffer chamber, described connecting end is arranged in neck in buffer chamber, described valve interior wall and flashboard are all lined with fluoroplastics layer.
By adopting technique scheme, flashboard is arranged to convenient the blocking liquid stream of wedge shape, flashboard is provided with convex edge, and convex is connected along cushioning the inwall conflict in previous existence with valve body, when valve opening, valve rod drives ram movement, water in liquid chunnel stops because of convex edge, can be along with valve rod rises to convex along a side of relative valve rod, when valve closing, valve rod drives the convex of flashboard along the liquid that presses down cushion chamber falls, prevent that liquid holdup is in buffer chamber, increased the working life of valve, at valve interior wall and flashboard, be all lined with fluoroplastics layer, strengthened the corrosion resistance of valve.
Further improvement as technique scheme: described neck is installed with the liquid retaining ring with ram movement for barrier liquid, and described liquid retaining ring consists of elastic material.
By adopting technique scheme, be provided with the liquid retaining ring that elastic material forms, prevent that liquid from entering into cushion chamber falls with the flashboard of motion, further strengthened the working life of valve.
The utility model is further set to: described valve body is shape and the suitable depression setting of end shape of conflicting for the position being connected with flashboard conflict, and described conflict end is adjacent to setting in the inner.
By adopting technique scheme, depression position is set and makes the closure between flashboard and valve body tightr.
The utility model is further set to: described valve rod and flashboard are and are wholely set, and described valve rod and flashboard outer surface are all lined with fluoroplastics layer.
By adopting technique scheme, valve rod and flashboard are wholely set, the two joint can not produce gap, and the two outer surface is all lined with fluoroplastics layer, thereby prevent to be lined with the flashboard of fluoroplastics layer and not to be lined with, produces the situation that friction destroys fluoroplastics layer while moving between fluoroplastics layer valve rod.
Accompanying drawing explanation
Fig. 1 is the utility model lining fluorine gate valve embodiment's structural representation;
Fig. 2 is the A portion enlarged view of Fig. 1.
Reference character:
1, valve body; 11, liquid chunnel; 12, buffer chamber; 121, neck; 13, depression position; 2, valve gap; 3, drive unit; 4, valve rod; 5, flashboard; 51, conflict and hold; 52, connecting end; 6, fluoroplastics layer; 7, liquid retaining ring.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model lining fluorine gate valve embodiment is described further.
As depicted in figs. 1 and 2, the present embodiment lining fluorine gate valve, comprise the valve body 1 that is provided with liquid chunnel 11, the valve gap 2 being connected with valve body 1, through valve gap 2, stretch into the drive unit 3 of the other end connection of valve rod 4 in liquid chunnel 11 and valve body relative to valve rod 41, in described liquid chunnel 11, be provided with the flashboard 5 opening and closing for controlling liquid chunnel 11, the other end of described flashboard 5 drive unit 3 relative to valve rod 4 connects, the closed end of the corresponding flashboard 5 of described valve body 1 is provided with the buffer chamber 12 of at least holding 5 one strokes of flashboard, described valve rod 4 connects flashboard 5 in buffer chamber 12, described buffer chamber 12Yu Ye passage intersection is neck 121, described flashboard 5 is wedge shape setting, described flashboard 5 comprises that connecting end 52 and the conflict of the other end for valve gap 2 relative to valve body 1 being connected the end 51 of conflicting, described connecting end 52 is convex along shape setting, described connecting end 52 outer edges are conflicted and are connected with the inwall of valve body 1 buffer chamber 12, described connecting end 52 is arranged in neck 121 in buffer chamber 12, described valve body 1 inwall and flashboard 5 are all lined with fluoroplastics layer 6.
By adopting technique scheme, flashboard 5 is arranged to convenient the blocking liquid stream of wedge shape, flashboard 5 is provided with convex edge, and convex is connected along cushioning the inwall conflict in previous existence with valve body 1, when valve opening, valve rod 4 drives flashboard 5 motions, water in liquid chunnel 11 stops because of convex edge, can be along with valve rod 4 rises to convex along a side of relative valve rod 4, when valve closing, valve rod 4 drives the convex of flashboard 5 along pressing down the liquid in buffer chamber 12, prevent that liquid holdup is in buffer chamber 12, increased the working life of valve, at valve body 1 inwall and flashboard 5, be all lined with fluoroplastics layer 6, strengthened the corrosion resistance of valve, certainly, for the corrosion resistance of stiffening device further, the position that can communicate with buffer chamber 12 at valve gap 2 inner chambers also serves as a contrast establishes fluoroplastics layer 6.
As depicted in figs. 1 and 2, described neck 121 is installed with the liquid retaining ring 7 with flashboard 5 motions for barrier liquid, and described liquid retaining ring 7 consists of elastic material, and elastic material can be fluorine rubber or resin etc., considers cost and draws materials, preferably fluorine rubber.By adopting technique scheme, be provided with the liquid retaining ring 7 that elastic material forms, prevent that liquid from entering in buffer chamber 12 with the flashboard 5 of motion, further strengthened the working life of valve.
As shown in Figure 1, described valve body 1 is shape and the suitable depression setting of end 51 shapes of conflicting for the position being connected with flashboard 5 conflicts, and described conflict end 51 is adjacent to setting in the inner.By adopting technique scheme, depression position 13 is set and makes the closure of 1 of flashboard 5 and valve body tightr.
It should be noted that, described valve rod 4 and flashboard 5 are and are wholely set, and described valve rod 4 and flashboard 5 outer surfaces are all lined with fluoroplastics layer 6.By adopting technique scheme, valve rod 4 and flashboard 5 are wholely set, the two joint can not produce gap, the two outer surface is all lined with fluoroplastics layer 6, thereby prevent, produces the situation that friction destroys fluoroplastics layer while moving between the valve rod 4 that is lined with the flashboard 5 of fluoroplastics layer 6 and is not lined with fluoroplastics layer.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. one kind serves as a contrast fluorine gate valve, comprise the valve body that is provided with liquid chunnel, the valve gap being connected with valve body, the drive unit that stretches into the valve rod in liquid chunnel and connect with the other end of the relative valve body of valve rod through valve gap, in described liquid chunnel, be provided with the flashboard opening and closing for controlling liquid chunnel, described flashboard connects with the other end of the relative drive unit of valve rod, the closed end of the corresponding flashboard of described valve body is provided with the buffer chamber of at least holding a stroke of flashboard, it is characterized in that: described valve rod connects flashboard in buffer chamber, described buffer chamber Yu Ye passage intersection is neck, described flashboard is wedge shape setting, described flashboard comprises that connecting end and the conflict of the other end for the relative valve gap of valve body being connected the end of conflicting, described connecting end is convex along shape setting, described connecting end outer edge is conflicted and is connected with the inwall of valve body buffer chamber, described connecting end is arranged in neck in buffer chamber, described valve interior wall and flashboard are all lined with fluoroplastics layer.
2. lining fluorine gate valve according to claim 1, is characterized in that: described neck is installed with the liquid retaining ring with ram movement for barrier liquid, and described liquid retaining ring consists of elastic material.
3. lining fluorine gate valve according to claim 1 and 2, is characterized in that: described valve body is shape and the suitable depression setting of end shape of conflicting for the position being connected with flashboard conflict, and described conflict end is adjacent to setting in the inner.
4. lining fluorine gate valve according to claim 1 and 2, is characterized in that: described valve rod and flashboard are and are wholely set, and described valve rod and flashboard outer surface are all lined with fluoroplastics layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626471.4U CN203532814U (en) | 2013-10-11 | 2013-10-11 | Fluorine lining gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626471.4U CN203532814U (en) | 2013-10-11 | 2013-10-11 | Fluorine lining gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532814U true CN203532814U (en) | 2014-04-09 |
Family
ID=50419023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320626471.4U Expired - Fee Related CN203532814U (en) | 2013-10-11 | 2013-10-11 | Fluorine lining gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930211A (en) * | 2015-07-06 | 2015-09-23 | 昆山维萨阀门有限公司 | Full-division type single-panel gate valve with reliable limit |
-
2013
- 2013-10-11 CN CN201320626471.4U patent/CN203532814U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930211A (en) * | 2015-07-06 | 2015-09-23 | 昆山维萨阀门有限公司 | Full-division type single-panel gate valve with reliable limit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151011 |
|
| EXPY | Termination of patent right or utility model |