CN201891865U - Corrosion-resistant discharge ball valve for ton-packaging - Google Patents
Corrosion-resistant discharge ball valve for ton-packaging Download PDFInfo
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- CN201891865U CN201891865U CN2010206432260U CN201020643226U CN201891865U CN 201891865 U CN201891865 U CN 201891865U CN 2010206432260 U CN2010206432260 U CN 2010206432260U CN 201020643226 U CN201020643226 U CN 201020643226U CN 201891865 U CN201891865 U CN 201891865U
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Abstract
The utility model relates to a corrosion-resistant discharge ball valve for ton-packaging. The valve comprises a valve body, wherein a valve seat is fixedly connected in a valve cavity at a discharge end; a valve core is hermetically matched between the valve seat and the valve cavity at a feed end; a valve seal is arranged between the valve seat and the valve body; a first valve core seal and a second valve core seal are arranged between the valve core and the valve seat and between the valve core and the valve body respectively; the valve core is fixedly connected with a handle which is extended from a handle mounting hole on the valve body; a handle seal is arranged between the handle and the handle mounting hole; the valve seal, the first valve core seal, the second valve core seal and the handle seal are sealing rubber rings; each sealing rubber ring comprises a rubber ring body; and a polyvinyl fluoride cladding layer is arranged outside the rubber ring body. In the utility model, in the sealing rubber ring, the polyvinyl fluoride cladding layer is arranged outside the rubber ring body, so a composite structure is formed; the rubber ring body is used for sealing; the polyvinyl fluoride cladding layer is used for resisting corrosion of acid, alkali and solvent; and the discharge ball valve has high sealing property and does not leak.
Description
Technical field
The utility model relates to the discharging valve of ton packing, specifically a kind of ton of corrosion-resistant blowing ball valve of packing.
Background technique
The ton packing is a kind of novel energy saving and environment friendly packaging container, and is safe, practical because of it, can be widely used in the flexible package punch of hazardous chemicals such as various all kinds of II classes, III class, also can be used for the raw-food material packing.The sealability of ton packing is vital, and except the sealing of ton packing itself, the sealability of the used O-ring seal of its discharging valve also is very crucial.
The discharging valve of ton packing often adopts ball valve, and the many places sealing is arranged in the ball valve, and as sealing between sealing, valve seat and the valve body between spool and valve seat or the valve body or the like, these sealing part generally adopt O-ring seal.The sizing material of O-ring seal is nitrile butadiene rubber, ethylene propylene diene rubber or polyvinyl plastics, and each is variant for its physical and chemical performance, and also each defectiveness of usability.Nitrile butadiene rubber and ethylene propylene diene rubber breaking strength are very low, and easily aging in air, acid-fast alkali-proof and solvent resistance are poor, run into solvent and easily expand and dissolving, and the interior dress chemical product that has also can cause cushion rubber to lose seal action with the cushion rubber reaction and produce seepage; Though and polyvinyl plastics seal ring acid-fast alkali-proof and solvent resistance will be got well much than nitrile butadiene rubber and ethylene propylene diene rubber, polyvinyl plastics pressure elasticity amount of deformation is little, can wear and tear and cause seepage through use repeatedly, so all there is no small risk.
Summary of the invention
The utility model provides a kind of ton of corrosion-resistant blowing ball valve of packing at the problems referred to above, and the good seal performance of this ball valve is applicable to the ton packing that packs acid, alkali and solvent.
According to the technical solution of the utility model: a kind of ton of corrosion-resistant blowing ball valve of packing, comprise valve body with hollow valve pocket, described two ends of valve body is respectively drain hole and material feeding mouth, the described valve pocket internal fixation that is positioned at the blowing end is connected with valve seat, described valve seat and between the described valve pocket of feed end, be sealed with spool, be provided with valve seal between described valve seat and the described valve body, be respectively arranged with spool first sealing and spool second sealing between described spool and described valve seat and the described valve body, be fixedly connected with handle on the described spool, stretch out the handle mounting hole of described handle from described valve body, be provided with the handle sealing between described handle and the described handle mounting hole; O-ring seal is adopted in described valve seal, first sealing of described spool, second sealing of described spool and the sealing of described handle respectively, and described O-ring seal comprises the cushion rubber body, and described cushion rubber body is outside equipped with the polyvinylfluoride clad.
Be provided with the blowing flap in the described drain hole, described blowing flap is pressed on the described valve seat by the valve gap that is threaded on the described valve body, be provided with the sealing of blowing flap between described blowing flap and the described valve seat, described O-ring seal is adopted in described blowing flap sealing.
Described O-ring seal adopts the circular seal cushion rubber, and the sectional shape of described cushion rubber body is circular.
Described O-ring seal adopts the rectangular seal cushion rubber, and the sectional shape of described cushion rubber body is a rectangle.
Described O-ring seal adopts semicircle end face seal cushion rubber, and the sectional shape of described cushion rubber body is semicircle, and this semicircular diameter is positioned at end face.
Described O-ring seal adopts semicircle circumferential seal cushion rubber, and the sectional shape of described cushion rubber body is semicircle, and this semicircular diameter is positioned at inner ring surface.
The material of described cushion rubber body is nitrile butadiene rubber, ethylene propylene diene rubber or polyvinyl plastics.
Technique effect of the present utility model is: the O-ring seal in the utility model is provided with the polyvinylfluoride clad in the outside of cushion rubber body, form composite structure, the cushion rubber body is used for sealing, the polyvinylfluoride clad is used for the corrosivity of acid-and base-resisting and solvent, its chemical property and Applicable scope are optimized greatly, and blowing ball valve sealing performance is good, can not seepage; The blowing flap that is provided with in the drain hole plays further sealing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the sectional view of the circular seal cushion rubber in the utility model.
Fig. 3 is the sectional view of the rectangular seal cushion rubber in the utility model.
Fig. 4 is the sectional view of the semicircle end face seal cushion rubber in the utility model.
Fig. 5 is the sectional view of the semicircle circumferential seal cushion rubber in the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Among Fig. 1～Fig. 5, comprise valve body 1, valve gap 2, drain hole 3, blowing flap 4, blowing flap sealing 5, valve seat 6, spool first sealing 7, valve seal 8, spool 9, handle sealing 10, handle 11, handle mounting hole 12, spool second sealing 13, material feeding mouth 14, circular seal cushion rubber 15, rectangular seal cushion rubber 16, semicircle end face seal cushion rubber 17, semicircle circumferential seal cushion rubber 18, cushion rubber body 19, polyvinylfluoride clad 20 etc.
As shown in Figure 1, the utility model is a kind of ton of corrosion-resistant blowing ball valve of packing, comprises the valve body 1 with hollow valve pocket, and the two ends of valve body 1 are respectively drain hole 3 and material feeding mouth 14.The valve pocket internal fixation that is positioned at the blowing end is connected with valve seat 6, valve seat 6 and between the valve pocket of feed end, be sealed with spool 9, be provided with valve seal 8 between valve seat 6 and the valve body 1, be respectively arranged with spool first sealing 7 and spool second sealing 13 between spool 9 and valve seat 6 and the valve body 1.Be fixedly connected with handle 11 on the spool 9, stretch out the handle mounting hole 12 of handle 11 from valve body 1, be provided with handle sealing 10 between handle 11 and the handle mounting hole 12.
In drain hole 3, can also be provided with blowing flap 4, play further sealing.Blowing flap 4 is pressed on the valve seat 6 by the valve gap 2 that is threaded on the valve body 1, is provided with blowing flap sealing 5 between blowing flap 4 and the valve seat 6.
O-ring seal is adopted in valve seal 8 in the utility model, spool first sealing 7, spool second sealing 13, handle sealing 10 and blowing flap sealing 5 respectively.
As Fig. 2～shown in Figure 5, be four kinds of O-ring seals in the utility model, be respectively circular seal cushion rubber 15, rectangular seal cushion rubber 16, semicircle end face seal cushion rubber 17, semicircle circumferential seal cushion rubber 18.The common ground of these four kinds of O-ring seals is to comprise cushion rubber body 19, and cushion rubber body 19 is outside equipped with polyvinylfluoride clad 20.The difference of these four kinds of O-ring seals is: circular seal cushion rubber 15, the sectional shape of cushion rubber body 19 are circular; Rectangular seal cushion rubber 16, the sectional shape of cushion rubber body 19 are rectangle; Semicircle end face seal cushion rubber 17, the sectional shape of cushion rubber body 19 are semicircle, and this semicircular diameter is positioned at end face; Semicircle circumferential seal cushion rubber 18, the sectional shape of cushion rubber body 19 are semicircle, and this semicircular diameter is positioned at inner ring surface.
The material of above-mentioned cushion rubber body 19 is nitrile butadiene rubber, ethylene propylene diene rubber or polyvinyl plastics.
The concrete making method of polyvinylfluoride clad 20 can be that thickness is 0.2mm at the outside of cushion rubber body 9 cover one deck polyvinylfluoride rubber.
The performance of the O-ring seal in the utility model reaches following index: 1, breaking strength is not less than 400 MPa; 2, elongation percentage is not less than 300%; 3, water absorption rate is less than 0.1%; 4, long-term heat resisting temperature is 150 ℃.
O- ring seal 15,16,17 and 18 in the utility model is provided with polyvinylfluoride clad 20 in the outside of cushion rubber body 19, form composite structure, cushion rubber body 19 is used for sealing, polyvinylfluoride clad 20 is used for the corrosivity of acid-and base-resisting and solvent, its chemical property and Applicable scope are optimized greatly, and blowing ball valve sealing performance is good, can not seepage.
In addition, the O- ring seal 15,16,17 and 18 of composite structure also has the following advantages: 1, polyvinylfluoride is as the plastics king who generally acknowledges, its breaking strength and elongation percentage improve greatly; 2, polyvinylfluoride plastic packets coating does not have seam, non-trimming, smooth in appearance, and the fitting tight performance is excellent; 3, manufacturing process is fairly simple; 4, the polyvinylfluoride material environment friendly is pollution-free.
Claims (7)
1. a ton is packed corrosion-resistant blowing ball valve, comprise valve body (1) with hollow valve pocket, the two ends of described valve body (1) are respectively drain hole (3) and material feeding mouth (14), the described valve pocket internal fixation that is positioned at the blowing end is connected with valve seat (6), described valve seat (6) and between the described valve pocket of feed end, be sealed with spool (9), be provided with valve seal (8) between described valve seat (6) and the described valve body (1), be respectively arranged with spool first sealing (7) and spool second sealing (13) between described spool (9) and described valve seat (6) and the described valve body (1), be fixedly connected with handle (11) on the described spool (9), stretch out the handle mounting hole (12) of described handle (11) from described valve body (1), be provided with handle sealing (10) between described handle (11) and the described handle mounting hole (12), it is characterized in that: described valve seal (8), described spool first sealing (7), O-ring seal is adopted in described spool second sealing (13) and described handle sealing (10) respectively, described O-ring seal comprises cushion rubber body (19), and described cushion rubber body (19) is outside equipped with polyvinylfluoride clad (20).
2. according to the corrosion-resistant blowing ball valve of the described ton packing of claim 1, it is characterized in that: be provided with blowing flap (4) in the described drain hole (3), described blowing flap (4) is pressed on the described valve seat (6) by the valve gap (2) that is threaded on the described valve body (1), be provided with blowing flap sealing (5) between described blowing flap (4) and the described valve seat (6), described O-ring seal is adopted in described blowing flap sealing (5).
3. according to claim 1 or the corrosion-resistant blowing ball valve of 2 described ton packings, it is characterized in that: described O-ring seal adopts circular seal cushion rubber (15), and the sectional shape of described cushion rubber body (19) is circular.
4. according to claim 1 or the corrosion-resistant blowing ball valve of 2 described ton packings, it is characterized in that: described O-ring seal adopts rectangular seal cushion rubber (16), and the sectional shape of described cushion rubber body (19) is a rectangle.
5. according to claim 1 or the corrosion-resistant blowing ball valve of 2 described ton packings, it is characterized in that: described O-ring seal adopts semicircle end face seal cushion rubber (17), and the sectional shape of described cushion rubber body (19) is semicircle, and this semicircular diameter is positioned at end face.
6. according to claim 1 or the corrosion-resistant blowing ball valve of 2 described ton packings, it is characterized in that: described O-ring seal adopts semicircle circumferential seal cushion rubber (18), and the sectional shape of described cushion rubber body (19) is semicircle, and this semicircular diameter is positioned at inner ring surface.
7. according to the corrosion-resistant blowing ball valve of the described ton packing of claim 1, it is characterized in that: the material of described cushion rubber body (19) is nitrile butadiene rubber, ethylene propylene diene rubber or polyvinyl plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206432260U CN201891865U (en) | 2010-12-06 | 2010-12-06 | Corrosion-resistant discharge ball valve for ton-packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206432260U CN201891865U (en) | 2010-12-06 | 2010-12-06 | Corrosion-resistant discharge ball valve for ton-packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891865U true CN201891865U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206432260U Expired - Lifetime CN201891865U (en) | 2010-12-06 | 2010-12-06 | Corrosion-resistant discharge ball valve for ton-packaging |
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| CN (1) | CN201891865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011876A (en) * | 2010-12-06 | 2011-04-13 | 无锡四方友信股份有限公司 | Ton packaging corrosion resistance emptying ball valve |
-
2010
- 2010-12-06 CN CN2010206432260U patent/CN201891865U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011876A (en) * | 2010-12-06 | 2011-04-13 | 无锡四方友信股份有限公司 | Ton packaging corrosion resistance emptying ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |