CN204083293U - A kind of rubber valve - Google Patents
A kind of rubber valve Download PDFInfo
- Publication number
- CN204083293U CN204083293U CN201420512545.6U CN201420512545U CN204083293U CN 204083293 U CN204083293 U CN 204083293U CN 201420512545 U CN201420512545 U CN 201420512545U CN 204083293 U CN204083293 U CN 204083293U
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- China
- Prior art keywords
- valve
- sealing
- ring
- groove
- valve gap
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Abstract
The utility model discloses a kind of rubber valve, by being provided with gland on valve gap top, described valve gap is fixedly connected with described gland; Annular groove is provided with on described valve gap, near valve rod place, sealing configuration is provided with in described groove, described sealing configuration comprises packing ring, several the groove that described packing ring epipharynx and outer lip offer annular and the sealing "O"-ring that manganese brass is made, described sealing "O"-ring is located in described groove, described sealing configuration and described valve rod interference fit.Sealing "O"-ring forms sealing pair with valve gap and valve rod simultaneously, enhances the sealing effect of rubber valve, and structure is simple, and working life extends.
Description
Technical field
The utility model relates to valve technology field, more particularly, relates to a kind of rubber valve.
Background technique
The major advantage of gate valve is: fluid resistance is little, and keying saves labour, and can use, do not have directivity when medium two-way flow, sealing surface not easily erosion during standard-sized sheet, and structure length is short, is not only applicable to doing minor valve, and is applicable to doing large valve.
Gate valve is divided into again metal sealing gate valve and soft seal (spring support sealing) gate valve.Metal sealing gate valve is also hard seal valve, is a kind of widely used valve, and its closed principle is that ram seal face is bright and clean with sealing surface of seat height, smooth consistent, bonded to each other, medium can be stoped to flow through, and rely on the model of backform, spring or flashboard, strengthen sealing effect.A main cutting action in its pipeline.
The sealing effect that soft seal (spring support sealing) gate valve mainly utilizes the overall encapsulate of flashboard to produce deformation-compensated effect to reach good, overcome general Gate-valve sealing bad, produce and leak or the phenomenon of corrosion.This valve have switch light and handy, seal the remarkable advantages such as reliable, lightweight, long service life.
But the structure major part of existing commercially produced rubber valve is: have a divided ring under gland, then on gland, do 3 road sealing "O"-rings, so just make the height of valve increase, the use amount of component increases, and declines significantly for the utilization ratio in space.
Therefore, owing to there is above technological deficiency in existing technology, be those skilled in that art's technical problems urgently to be resolved hurrily.
Model utility content
The purpose of this utility model, for providing a kind of rubber valve, by arranging sealing configuration between valve gap and valve rod, enhances the sealability of rubber valve.There is structure simple, the advantage of good seal performance.
For achieving the above object, the utility model provides following technological scheme:
A kind of rubber valve, mainly comprise valve body, valve gap, valve rod, flap and handwheel, described valve gap is fixed at described valve body top, and center, described valve gap top is provided with through hole, and described valve rod passes vertically through described valve body, and through being located at the through hole at center, described valve gap top, described valve stem tip is provided with handwheel, and described valve rod bottom is provided with flap, and described flap is in the cavity of described valve body, described valve gap top is provided with gland, and described valve gap is fixedly connected with described gland; Annular groove is provided with on described valve gap, near valve rod place, sealing configuration is provided with in described groove, described sealing configuration comprises packing ring, several the groove that described packing ring epipharynx and outer lip offer annular and the sealing "O"-ring that manganese brass is made, described sealing "O"-ring is located in described groove, described sealing configuration and described valve rod interference fit.
Preferably, described packing ring epipharynx is provided with 2 grooves, and described packing ring outer lip is provided with 3 grooves, and described sealing "O"-ring is located in described groove.
Preferably, described valve gap is fixedly connected with the hexagon socket head cap screw of described gland by several, and described hexagon socket head cap screw is 4.
Preferably, described packing ring is overall ring-type.
The beneficial effects of the utility model are: packing ring of the present utility model adopts the good manganese brass of wear resistance to make, and improves the wear-resisting property of part, extends working life, saved user cost; By arranging the groove of annular on valve gap, sealing configuration is arranged in described groove, the inside and outside lip of packing ring has groove, the sealing "O"-ring arranged in groove, form sealing pair with valve gap and valve rod simultaneously, enhance sealing effect, and decrease the usage quantity of component, improve space availability ratio.The utility model structure is simple, good sealing effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the close-up schematic view of sealing configuration of the present utility model;
In figure: 1 is valve body; 2 is valve gap; 3 is valve rod; 4 is flap; 5 is handwheel; 6 is gland; 7 is sealing configuration;
7-1 is packing ring; 7-2 is groove; 7-3 is sealing "O"-ring;
8 is hexagon socket head cap screw.
Embodiment
The utility model provides a kind of rubber valve, the seal ring adopting manganese brass to make, and has structure simple, long service life, the feature of good sealing effect.
Below in conjunction with the accompanying drawing in the utility model embodiment, carry out clear and detailed description to the technological scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of rubber valve as illustrated in fig. 1 and 2, mainly comprise valve body 1, valve gap 2, valve rod 3, flap 4 and handwheel 5, described valve gap 2 is fixed at described valve body 1 top, center, described valve gap 2 top is provided with through hole, described valve rod 3 passes vertically through described valve body 1, and through being located at the through hole at center, described valve gap 2 top, described valve rod 3 top is provided with handwheel 5, described valve rod 3 bottom is provided with flap 4, described flap 4 is in the cavity of described valve body 1, described valve gap 2 top is provided with gland 6, and described valve gap 2 is fixedly connected with described gland 6; Annular groove is provided with on described valve gap 2, near valve rod 3 place, sealing configuration 7 is provided with in described groove, described sealing configuration 7 comprises the packing ring 7-1 that manganese brass makes, several the groove 7-2 that described packing ring epipharynx and outer lip offer annular and sealing "O"-ring 7-3, described sealing "O"-ring 7-3 is located in described groove 7-2, described sealing configuration 7 and described valve rod 3 interference fit.Sealing configuration 7 is pressed into by gland 6 in the annular groove that valve gap 2 is arranged, and by arranging sealing "O"-ring 7-3, enhances the sealing effect of sealing configuration 7 and valve rod 3 and valve gap 2.And packing ring 7-1 adopts manganese brass material to make, and has wear-resisting, that lubricity is good feature, can reduce the frictional force between valve rod 3 and packing ring 7-1.
Preferably, described packing ring 7-1 epipharynx is provided with 2 groove 7-2, and described packing ring 7-1 outer lip is provided with 3 groove 7-2, and described sealing "O"-ring 7-3 is located in described groove 7-2.Sealing "O"-ring 7-3 in groove 7-2 on packing ring 7-1 epipharynx contacts with valve rod 3, forms sealing pair; Sealing "O"-ring 7-3 in groove 7-2 on packing ring 7-1 outer lip contacts with valve gap 2, forms sealing pair, enhances the sealing effect of gate valve entirety, prevent liquid from gate valve top spill and leakage.Further, the double effects sealing and locate can be realized so simultaneously.
Preferably, described valve gap 2 is fixedly connected with the hexagon socket head cap screw 8 of described gland 6 by several, and described hexagon socket head cap screw 8 is 4.
Preferably, described packing ring 7-1 is overall ring-type.Instead of the mode of the divided ring in existing gate valve, can interference fit, enhance the sealability of packing ring 7-1 and valve rod 3.
Packing ring of the present utility model adopts the good manganese brass of wear resistance to make, and improves the wear-resisting property of part, extends working life, saved user cost; By arranging the groove of annular on valve gap, sealing configuration is arranged in described groove, the inside and outside lip of packing ring has groove, the sealing "O"-ring arranged in groove, form sealing pair with valve gap and valve rod simultaneously, enhance sealing effect, and decrease the usage quantity of component, improve space availability ratio.The utility model structure is simple, good sealing effect.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.Be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a rubber valve, mainly comprise valve body, valve gap, valve rod, flap and handwheel, described valve gap is fixed at described valve body top, and center, described valve gap top is provided with through hole, and described valve rod passes vertically through described valve body, and through being located at the through hole at center, described valve gap top, described valve stem tip is provided with handwheel, and described valve rod bottom is provided with flap, and described flap is in the cavity of described valve body, it is characterized in that: described valve gap top is provided with gland, and described valve gap is fixedly connected with described gland; Annular groove is provided with on described valve gap, near valve rod place, sealing configuration is provided with in described groove, described sealing configuration comprises packing ring, several the groove that described packing ring epipharynx and outer lip offer annular and the sealing "O"-ring that manganese brass is made, described sealing "O"-ring is located in described groove, described sealing configuration and described valve rod interference fit.
2. rubber valve as claimed in claim 1, it is characterized in that: described packing ring epipharynx is provided with 2 grooves, described packing ring outer lip is provided with 3 grooves, and described sealing "O"-ring is located in described groove.
3. rubber valve as claimed in claim 1, it is characterized in that: described valve gap is fixedly connected with the hexagon socket head cap screw of described gland by several, described hexagon socket head cap screw is 4.
4. the rubber valve as described in any one of claims 1 to 3, is characterized in that: described packing ring is overall ring-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512545.6U CN204083293U (en) | 2014-09-05 | 2014-09-05 | A kind of rubber valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512545.6U CN204083293U (en) | 2014-09-05 | 2014-09-05 | A kind of rubber valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083293U true CN204083293U (en) | 2015-01-07 |
Family
ID=52176015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420512545.6U Expired - Fee Related CN204083293U (en) | 2014-09-05 | 2014-09-05 | A kind of rubber valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083293U (en) |
-
2014
- 2014-09-05 CN CN201420512545.6U patent/CN204083293U/en not_active Expired - Fee Related
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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: 20150107 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |