CN204942555U - A kind of liquid chlorine special valve - Google Patents
A kind of liquid chlorine special valve Download PDFInfo
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- CN204942555U CN204942555U CN201520695054.4U CN201520695054U CN204942555U CN 204942555 U CN204942555 U CN 204942555U CN 201520695054 U CN201520695054 U CN 201520695054U CN 204942555 U CN204942555 U CN 204942555U
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- liquid chlorine
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Abstract
The utility model discloses a kind of liquid chlorine special valve, aim to provide a kind of while reduction valve mechanism length, valve seal performance can not only guarantee, effectively solve the problem of liquid chlorine loss; But also while solution corrosion leakage problem, can effectively reduce the liquid chlorine special valve of manufacture cost.It comprises valve body, valve gap, spool and valve rod, and the runner internal surface of described valve body is provided with runner plastic lining layer, and the surface of described spool is provided with spool plastic lining layer, and the surface of described valve rod is provided with valve rod plastic lining layer; The bar through hole coaxial with valve rod is provided with in the middle part of described valve gap, the internal surface of bar through hole is provided with through hole plastic lining layer, valve cover surfaces towards valve body is provided with valve gap plastic lining layer, and valve gap plastic lining layer and through hole plastic lining layer are connected as a single entity, described valve rod, through bar through hole, is provided with PTFE filler between described bar through hole and valve rod.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of liquid chlorine special valve.
Background technique
Liquid chlorine special valve in currently available technology adopts bellows filling-material structure usually, and because the length of bellows filling-material structure is longer, this makes valve mechanism long; And valve adopts straight journey motion mode usually, intermediate seal stem structure exists due to bellows, easily causes valve rod intensity to reduce.In addition, because bellows endoporus and valve rod exist gap, liquid or gas still can be oozed out by the gap between bellows and valve rod, thus adopt bellows filling-material structure just to extend medium runner length, can not solve the problem of liquid (gas) body loss from essence.
On the other hand, the metal (such as, stainless steel) that liquid chlorine has very strong corrosivity common is difficult to meet liquid chlorine and corrodes metallic matrix, easily produces corrosion leakage; According to the alloy material that corrosion resistance is strong, although solve the problem of corrosion leakage; When so not only improving the manufacture cost of product, and wasting noble metal, being unfavorable for saving noble metal resource.
Model utility content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of liquid chlorine special valve, and it while reduction valve mechanism length, can not only ensure valve seal performance, effectively solve the problem of liquid chlorine loss; But also while solution corrosion leakage problem, effectively can reduce manufacture cost.
The technical solution of the utility model is:
A kind of liquid chlorine special valve, comprise valve body, valve gap, spool and valve rod, the runner internal surface of described valve body is provided with runner plastic lining layer, and the surface of described spool is provided with spool plastic lining layer, and the surface of described valve rod is provided with valve rod plastic lining layer; The bar through hole coaxial with valve rod is provided with in the middle part of described valve gap, the internal surface of bar through hole is provided with through hole plastic lining layer, valve cover surfaces towards valve body is provided with valve gap plastic lining layer, and valve gap plastic lining layer and through hole plastic lining layer are connected as a single entity, described valve rod, through bar through hole, is provided with PTFE filler between described bar through hole and valve rod.
The liquid chlorine special valve of this programme adopts PTFE filler to form sealing configuration between bar through hole and valve rod, and PTFE packing seal is effective, and length is short; Thus while reduction valve mechanism length, valve seal performance can be ensured, effectively solves the problem of liquid chlorine loss.
On the other hand, the employing of the liquid chlorine special valve of this programme, at the plastic lining layer of common metal matrix outer cladding one deck resistant material, thus while solution corrosion leakage problem, effectively can reduce manufacture cost, without the need to using precious alloy material, be conducive to saving noble metal resource.
As preferably, valve gap plastic lining layer is provided with integrated reinforcement body, the end of described reinforcement body is down stretched in the runner of valve body, and reinforcement body coaxial sleeve is located on valve rod, seal ring is provided with between described reinforcement body and valve rod, strengthen body inner side surface and be provided with seal ring mounting groove, seal ring is fixed in seal ring mounting groove.
The reinforcement body of this programme can not only improve valve rod and spool is subject to force intensity, ensures stability of motions; And the seal ring strengthened between body and valve rod can also form another seal structures, improve valve seal performance further.
As preferably, valve rod is arranged with Gland and gland, described bar through hole inner side surface is provided with annular lug, and annular lug surface is provided with the integrated projection plastic lining layer with through hole plastic lining layer, Gland is positioned at above valve gap, and gland is between Gland and annular lug; Described PTFE filler is between annular lug and gland, and gland is pressed on PTFE filler, and described Gland is connected with valve gap by bolt.
As preferably, PTFE filler is mutually superposed by some V-type PTFE filler pads and forms.This programme structure can form multi-sealed effect, improves valve seal performance further.
As preferably, valve rod plastic lining layer and spool plastic lining layer are connected as a single entity, described stem surface is provided with the first dovetail groove, and in the first dovetail groove, be provided with the first dovetails matched, the material of the first dovetails is identical with the material of valve rod plastic lining layer, the structure and the first dovetails and valve rod plastic lining layer are formed in one.This programme structure effectively can improve the join strength of valve rod plastic lining layer and spool plastic lining layer, avoids valve rod plastic lining layer and valve core lining to mould pull-up and falls.
As preferably, the internal surface of bar through hole is provided with the second dovetail groove, and is provided with the second dovetails matched in the second dovetail groove, and the material of the second dovetails is identical with the material of through hole plastic lining layer, the structure and the second dovetails and through hole plastic lining layer are formed in one.This programme structure effectively can improve the join strength of through hole plastic lining layer, avoids through hole plastic lining layer to come off.
As preferably, the valve cover surfaces towards valve body is provided with the 3rd dovetail groove, and is provided with the 3rd dovetails matched in the 3rd dovetail groove, and the material of the 3rd dovetails is identical with the material of valve gap plastic lining layer, the structure and the 3rd dovetails and valve gap plastic lining layer are formed in one.This programme structure effectively can improve the join strength of valve gap plastic lining layer, avoids valve gap plastic lining layer to come off.
As preferably, the surface of spool is provided with attachment hole, is provided with reinforcement attachment post in this attachment hole, and the material strengthening attachment post is identical with the material of spool plastic lining layer, the structure and reinforcement attachment post and spool plastic lining layer are formed in one.This programme structure effectively can improve the join strength that valve core lining is moulded, and avoids valve core lining to mould and comes off.
As preferably, liquid chlorine special valve is manual liquid chlorine special valve or electronic liquid chlorine special valve or pneumatic liquid chlorine special valve.
The beneficial effects of the utility model are: reducing valve mechanism length while, can not only ensure valve seal performance, effectively solve the problem of liquid chlorine loss; But also while solution corrosion leakage problem, effectively can reduce manufacture cost.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of liquid chlorine special valve of the present utility model.
In figure: valve body 1, runner 11, runner plastic lining layer 12, spool 2, spool plastic lining layer 21, reinforcement attachment post 22, valve rod 3, valve rod plastic lining layer 31, first dovetails 32, valve gap 4, valve gap plastic lining layer 41, reinforcement body 42, bar through hole 5, second dovetails 51, through hole plastic lining layer 52, annular lug 53, PTFE filler 6, gland 7, Gland 8, seal ring 9.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, a kind of liquid chlorine special valve comprises valve body 1, valve gap 4, spool 2 and valve rod 3.Valve rod is arranged with Gland 8 and gland 7.Gland is positioned at above valve gap.The bar through hole 5 coaxial with valve rod is provided with in the middle part of valve gap.Bar through hole inner side surface is provided with annular lug 53.Gland is between Gland and annular lug.Gland is connected with valve gap by bolt, and Gland is by bolt presses gland.Valve rod is through bar through hole.
The internal surface of bar through hole is provided with through hole plastic lining layer 52.Annular lug surface is provided with the integrated projection plastic lining layer with through hole plastic lining layer.Valve cover surfaces towards valve body is provided with valve gap plastic lining layer 41, and valve gap plastic lining layer and through hole plastic lining layer are connected as a single entity.Valve gap plastic lining layer is provided with integrated reinforcement body 42.Strengthening the material of body and valve gap, to serve as a contrast the material of moulding identical.The end strengthening body is down stretched in the runner of valve body, and reinforcement body coaxial sleeve is located on valve rod.Strengthen being provided with seal ring 9 between body and valve rod.Strengthen body inner side surface and be provided with seal ring mounting groove, seal ring is fixed in seal ring mounting groove.
PTFE filler 6(polytetrafluoroethylene packing is provided with) between bar through hole and valve rod.PTFE filler is between annular lug and gland, and gland is pressed on PTFE filler.PTFE filler is mutually superposed by some V-type PTFE filler pads and forms.
Runner 11 internal surface of valve body is provided with runner plastic lining layer 12.The surface of spool is provided with spool plastic lining layer 21.The surface of spool is provided with attachment hole.Be provided with in this attachment hole and strengthen attachment post 22.The material strengthening attachment post is identical with the material of spool plastic lining layer, the structure and reinforcement attachment post and spool plastic lining layer are formed in one.
The surface of valve rod is provided with valve rod plastic lining layer 31.Valve rod plastic lining layer and spool plastic lining layer are connected as a single entity.Stem surface is provided with the first dovetail groove, and is provided with the first dovetails 32 matched in the first dovetail groove.The material of the first dovetails is identical with the material of valve rod plastic lining layer, the structure and the first dovetails and valve rod plastic lining layer are formed in one.
The internal surface of bar through hole is provided with the second dovetail groove, and is provided with the second dovetails 51 matched in the second dovetail groove.The material of the second dovetails is identical with the material of through hole plastic lining layer, the structure and the second dovetails and through hole plastic lining layer are formed in one.
Valve cover surfaces towards valve body is provided with the 3rd dovetail groove, and is provided with the 3rd dovetails matched in the 3rd dovetail groove.The material of the 3rd dovetails is identical with the material of valve gap plastic lining layer, the structure and the 3rd dovetails and valve gap plastic lining layer are formed in one.
The liquid chlorine special valve of the present embodiment is manual liquid chlorine special valve (i.e. the liquid chlorine special valve of hand switch) or electronic liquid chlorine special valve (i.e. the liquid chlorine special valve of motor switch) or pneumatic liquid chlorine special valve (i.e. the liquid chlorine special valve of jettron).
The material of the spool plastic lining layer in the present embodiment, valve rod plastic lining layer, valve gap plastic lining layer and through hole plastic lining layer is identical, and is decay resistance plastics.
Claims (9)
1. a liquid chlorine special valve, comprises valve body, valve gap, spool and valve rod, it is characterized in that, the runner internal surface of described valve body is provided with runner plastic lining layer, and the surface of described spool is provided with spool plastic lining layer, and the surface of described valve rod is provided with valve rod plastic lining layer; The bar through hole coaxial with valve rod is provided with in the middle part of described valve gap, the internal surface of bar through hole is provided with through hole plastic lining layer, valve cover surfaces towards valve body is provided with valve gap plastic lining layer, and valve gap plastic lining layer and through hole plastic lining layer are connected as a single entity, described valve rod, through bar through hole, is provided with PTFE filler between described bar through hole and valve rod.
2. a kind of liquid chlorine special valve according to claim 1, it is characterized in that, described valve gap plastic lining layer is provided with integrated reinforcement body, the end of described reinforcement body is down stretched in the runner of valve body, and reinforcement body coaxial sleeve is located on valve rod, be provided with seal ring between described reinforcement body and valve rod, strengthen body inner side surface and be provided with seal ring mounting groove, seal ring is fixed in seal ring mounting groove.
3. a kind of liquid chlorine special valve according to claim 1 and 2, it is characterized in that, described valve rod is arranged with Gland and gland, described bar through hole inner side surface is provided with annular lug, and annular lug surface is provided with the integrated projection plastic lining layer with through hole plastic lining layer, Gland is positioned at above valve gap, and gland is between Gland and annular lug; Described PTFE filler is between annular lug and gland, and gland is pressed on PTFE filler, and described Gland is connected with valve gap by bolt.
4. a kind of liquid chlorine special valve according to claim 1 and 2, is characterized in that, described PTFE filler is mutually superposed by some V-type PTFE filler pads and forms.
5. a kind of liquid chlorine special valve according to claim 1 and 2, it is characterized in that, described valve rod plastic lining layer and spool plastic lining layer are connected as a single entity, described stem surface is provided with the first dovetail groove, and in the first dovetail groove, be provided with the first dovetails matched, the material of the first dovetails is identical with the material of valve rod plastic lining layer, the structure and the first dovetails and valve rod plastic lining layer are formed in one.
6. a kind of liquid chlorine special valve according to claim 1 and 2, it is characterized in that, the internal surface of described bar through hole is provided with the second dovetail groove, and in the second dovetail groove, be provided with the second dovetails matched, the material of the second dovetails is identical with the material of through hole plastic lining layer, the structure and the second dovetails and through hole plastic lining layer are formed in one.
7. a kind of liquid chlorine special valve according to claim 1 and 2, it is characterized in that, valve cover surfaces towards valve body is provided with the 3rd dovetail groove, and in the 3rd dovetail groove, be provided with the 3rd dovetails matched, the material of the 3rd dovetails is identical with the material of valve gap plastic lining layer, the structure and the 3rd dovetails and valve gap plastic lining layer are formed in one.
8. a kind of liquid chlorine special valve according to claim 1 or 2 or 3, it is characterized in that, the surface of described spool is provided with attachment hole, reinforcement attachment post is provided with in this attachment hole, the material strengthening attachment post is identical with the material of spool plastic lining layer, the structure and reinforcement attachment post and spool plastic lining layer are formed in one.
9. a kind of liquid chlorine special valve according to claim 1 or 2 or 3, is characterized in that, liquid chlorine special valve is manual liquid chlorine special valve or electronic liquid chlorine special valve or pneumatic liquid chlorine special valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695054.4U CN204942555U (en) | 2015-09-09 | 2015-09-09 | A kind of liquid chlorine special valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695054.4U CN204942555U (en) | 2015-09-09 | 2015-09-09 | A kind of liquid chlorine special valve |
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| Publication Number | Publication Date |
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| CN204942555U true CN204942555U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520695054.4U Active CN204942555U (en) | 2015-09-09 | 2015-09-09 | A kind of liquid chlorine special valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195410A (en) * | 2016-08-26 | 2016-12-07 | 成都欧浦特控制阀门有限公司 | Pneumatic control valve |
| CN106678380A (en) * | 2016-08-26 | 2017-05-17 | 成都欧浦特控制阀门有限公司 | Control valve with zero leakage in liquid chlorine charging system |
| CN110792864A (en) * | 2019-12-12 | 2020-02-14 | 河南卡斯特流体科技有限公司 | Novel water knockout drum before water gauge |
| CN112483656A (en) * | 2020-11-19 | 2021-03-12 | 苏州东山防腐仪表阀门有限公司 | High-performance plastic-lined single seat valve |
-
2015
- 2015-09-09 CN CN201520695054.4U patent/CN204942555U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195410A (en) * | 2016-08-26 | 2016-12-07 | 成都欧浦特控制阀门有限公司 | Pneumatic control valve |
| CN106678380A (en) * | 2016-08-26 | 2017-05-17 | 成都欧浦特控制阀门有限公司 | Control valve with zero leakage in liquid chlorine charging system |
| CN110792864A (en) * | 2019-12-12 | 2020-02-14 | 河南卡斯特流体科技有限公司 | Novel water knockout drum before water gauge |
| CN112483656A (en) * | 2020-11-19 | 2021-03-12 | 苏州东山防腐仪表阀门有限公司 | High-performance plastic-lined single seat valve |
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