CN201891856U - Corrosion-resistant high-strength sealing rubber ring for ton-packaged discharge butterfly valve - Google Patents
Corrosion-resistant high-strength sealing rubber ring for ton-packaged discharge butterfly valve Download PDFInfo
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- CN201891856U CN201891856U CN2010206433668U CN201020643366U CN201891856U CN 201891856 U CN201891856 U CN 201891856U CN 2010206433668 U CN2010206433668 U CN 2010206433668U CN 201020643366 U CN201020643366 U CN 201020643366U CN 201891856 U CN201891856 U CN 201891856U
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- cushion rubber
- seal
- sealing
- valve
- drain hole
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Abstract
The utility model relates to a corrosion-resistant high-strength sealing rubber ring for a ton-packaged discharge butterfly valve, which comprises a feed port seal, a valve seal, a discharge port seal and an opening and closing port seal, wherein the feed port seal and the discharge port seal are circular sealing rubber rings, semicircular end face sealing rubber rings or rectangular sealing rubber rings; the valve seal and the opening and closing port seal are circular sealing rubber rings or semicircular circumferential sealing rubber rings; the sealing rubber ring comprises a rubber ring body; and a polyvinyl fluoride cladding layer is arranged outside the rubber ring body. 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; the chemical performance and the application range of the sealing rubber ring are greatly optimized; and the discharge butterfly 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 packing blowing dish valve anti-corrosion and high strength O-ring seal.
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 generally adopts the dish valve, as shown in Figure 1, this dish valve has sealing everywhere, be respectively material feeding mouth sealing 1, valve seal 2, drain hole sealing 3 and keying mouthful sealing 4, wherein material feeding mouth sealing 1 is adopted the end face seal cushion rubber with drain hole sealing 3, and valve seal 2 an and keying mouthful sealing 4 is an O shape O-ring seal.The sizing material of these O-ring seals 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 packing blowing dish valve anti-corrosion and high strength O-ring seal at the problems referred to above, and sealing cushion rubber decay resistance and intensity all improve a lot, and are 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 packing blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing, valve seal, drain hole sealing and open and close a mouthful sealing, the circular seal cushion rubber is all adopted in described material feeding mouth sealing, described valve seal, the sealing of described drain hole and a described keying mouthful sealing, and described cushion rubber body is outside equipped with the polyvinylfluoride clad.
A kind of ton of packing blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing, valve seal, drain hole sealing and open and close a mouthful sealing, semicircle end face seal cushion rubber is adopted in described material feeding mouth sealing and the sealing of described drain hole, and semicircle circumferential seal cushion rubber is adopted in described valve seal and the sealing of described keying mouth; Described semicircle end face seal cushion rubber comprises that sectional shape is semicircular cushion rubber body, and this semicircular diameter is positioned at end face; Described semicircle circumferential seal cushion rubber comprises that sectional shape is semicircular cushion rubber body, and this semicircular diameter is positioned at inner ring surface; Described cushion rubber body is outside equipped with the polyvinylfluoride clad.
A kind of ton of packing blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing, valve seal, drain hole sealing and open and close a mouthful sealing, semicircle end face seal cushion rubber is adopted in described material feeding mouth sealing and the sealing of described drain hole, and the circular seal cushion rubber is adopted in described valve seal and the sealing of described keying mouth; Described circular seal cushion rubber comprises that sectional shape is circular cushion rubber body; Described semicircle end face seal cushion rubber comprises that sectional shape is semicircular cushion rubber body, and this semicircular diameter is positioned at end face; Described cushion rubber body is outside equipped with the polyvinylfluoride clad.
A kind of ton of packing blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing, valve seal, drain hole sealing and open and close a mouthful sealing, the rectangular seal cushion rubber is adopted in described material feeding mouth sealing and the sealing of described drain hole, and the circular seal cushion rubber is adopted in described valve seal and the sealing of described keying mouth; Described circular seal cushion rubber comprises that sectional shape is circular cushion rubber body; Described rectangular seal cushion rubber comprises that sectional shape is the cushion rubber body of rectangle; Described cushion rubber body is outside equipped with the polyvinylfluoride clad.
A kind of ton of packing blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing, valve seal, drain hole sealing and open and close a mouthful sealing, the rectangular seal cushion rubber is adopted in described material feeding mouth sealing and the sealing of described drain hole, and semicircle circumferential seal cushion rubber is adopted in described valve seal and the sealing of described keying mouth; Described rectangular seal cushion rubber comprises that sectional shape is the cushion rubber body of rectangle; Described semicircle circumferential seal cushion rubber comprises that sectional shape is semicircular cushion rubber body, and this semicircular diameter is positioned at inner ring surface; Described cushion rubber body is outside equipped with the polyvinylfluoride clad.
A kind of ton of packing blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing, valve seal, drain hole sealing and open and close a mouthful sealing, the circular seal cushion rubber is adopted in described material feeding mouth sealing and the sealing of described drain hole, and semicircle circumferential seal cushion rubber is adopted in described valve seal and the sealing of described keying mouth; Described circular seal cushion rubber comprises that sectional shape is circular cushion rubber body; Described semicircle circumferential seal cushion rubber comprises that sectional shape is semicircular cushion rubber body, and this semicircular diameter is positioned at inner ring surface; Described cushion rubber body is outside equipped with the polyvinylfluoride clad.
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 butterfly valve seal performance is good, can not ooze dew.
Description of drawings
Fig. 1 is the structural representation of dish valve of the prior art.
Fig. 2 is the A-A sectional view among Fig. 1.
Fig. 3 is the sectional view of the circular seal cushion rubber in the utility model.
Fig. 4 is the sectional view of the rectangular seal cushion rubber in the utility model.
Fig. 5 is the sectional view of the semicircle end face seal cushion rubber in the utility model.
Fig. 6 is the sectional view of the semicircle circumferential seal cushion rubber in the utility model.
Fig. 7, Fig. 8 are first kind of embodiment's of the utility model user mode schematic representation.
Fig. 9, Figure 10 are second kind of embodiment's of the utility model user mode schematic representation.
Figure 11 is the user mode schematic representation of the injection flap of application ton of the present utility model pail pack.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Among Fig. 1～Figure 11, comprise material feeding mouth sealing 1, valve seal 2, drain hole sealing 3, keying mouthful sealing 4, circular seal cushion rubber 5, rectangular seal cushion rubber 6, semicircle end face seal cushion rubber 7, semicircle circumferential seal cushion rubber 8, cushion rubber body 9, polyvinylfluoride clad 10, inject flap 11, inject flap seal ring 12 etc.
As Fig. 3～shown in Figure 6, be four kinds of O-ring seals in the utility model, be respectively circular seal cushion rubber 5, rectangular seal cushion rubber 6, semicircle end face seal cushion rubber 7 and semicircle circumferential seal cushion rubber 8.Four kinds of O-ring seals are made of cushion rubber body 9 and the cushion rubber body 9 outer polyvinylfluoride clads 10 that are provided with respectively, and the material of cushion rubber body 9 is a kind of in nitrile butadiene rubber, ethylene propylene diene rubber or the polyvinyl plastics.The sectional shape of the cushion rubber body 9 of circular seal cushion rubber 5 is circular; The sectional shape of the cushion rubber body 9 of rectangular seal cushion rubber 6 is a rectangle; The sectional shape of the cushion rubber body 9 of semicircle end face seal cushion rubber 7 is semicircle, and this semicircular diameter is positioned at end face; The sectional shape of the cushion rubber body 9 of semicircle circumferential seal cushion rubber 8 is semicircle, and this semicircular diameter is positioned at inner ring surface.
The concrete making method of polyvinylfluoride clad 10 can be that thickness is 0.2mm at the outside of cushion rubber body 9 cover one deck polyvinylfluoride rubber.
Performance of the present 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 ℃.
As Fig. 7, Figure 8 shows that first kind of embodiment of the present utility model, material feeding mouth sealing 1, valve seal 2, drain hole sealing 3 and open and close a mouthful sealing 4 and all adopt circular seal cushion rubber 5.
As Fig. 9, Figure 10 shows that second kind of embodiment of the present utility model, semicircle end face seal cushion rubber 7 is adopted in material feeding mouth sealing 1 and drain hole sealing 3, valve seal 2 and open and close mouthful sealing 4 and adopt semicircle circumferential seal cushion rubber 8.
The third embodiment of the present utility model is that material feeding mouth sealing 1 and drain hole seal 3 and adopt semicircle end face seal cushion rubber 7, valve seal 2 and keying mouthful sealing 4 employing circular seal cushion rubbers 5.
The 4th kind of embodiment of the present utility model is that material feeding mouth sealing 1 and drain hole seal 3 and adopt rectangular seal cushion rubbers 6, valve seal 2 and keying mouthful sealing 4 employing circular seal cushion rubbers 5.
The 5th kind of embodiment of the present utility model is that material feeding mouth sealing 1 and drain hole seal 3 and adopt rectangular seal cushion rubbers 6, the semicircle circumferential seal cushion rubber 8 of valve seal 2 and keying mouthful sealing 4 employings.
The 6th kind of embodiment of the present utility model is that material feeding mouth sealing 1 and drain hole seal 3 and adopt circular seal cushion rubbers 5, the semicircle circumferential seal cushion rubber 8 of valve seal 2 and keying mouthful sealing 4 employings.
O- ring seal 5,6,7 and 8 in the utility model is provided with polyvinylfluoride clad 10 in the outside of cushion rubber body 9, form composite structure, cushion rubber body 9 is used for sealing, polyvinylfluoride clad 10 is used for the corrosivity of acid-and base-resisting and solvent, its chemical property and Applicable scope are optimized greatly, and blowing butterfly valve seal performance is good, can not ooze dew.
In addition, the O- ring seal 5,6,7 and 8 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.
As shown in figure 11, the utility model can also be used for the injection flap 11 of ton pail pack, and the injection flap seal ring 12 of this injection flap 11 can use any of O- ring seal 5,6,7 and 8, and sealing is reliable.
Claims (7)
1. a ton is packed blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing (1), valve seal (2), drain hole sealing (3) and open and close a mouthful sealing (4), it is characterized in that: circular seal cushion rubber (5) is all adopted in described material feeding mouth sealing (1), described valve seal (2), described drain hole sealing (3) and a described keying mouthful sealing (4), and described cushion rubber body (9) is outside equipped with polyvinylfluoride clad (10).
2. a ton is packed blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing (1), valve seal (2), drain hole sealing (3) and open and close a mouthful sealing (4), it is characterized in that: semicircle end face seal cushion rubber (7) is adopted in described material feeding mouth sealing (1) and described drain hole sealing (3), and semicircle circumferential seal cushion rubber (8) is adopted in described valve seal (2) and described keying mouthful sealing (4); Described semicircle end face seal cushion rubber (7) comprises that sectional shape is a semicircular cushion rubber body (9), and this semicircular diameter is positioned at end face; Described semicircle circumferential seal cushion rubber (8) comprises that sectional shape is a semicircular cushion rubber body (9), and this semicircular diameter is positioned at inner ring surface; Described cushion rubber body (9) is outside equipped with polyvinylfluoride clad (10).
3. a ton is packed blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing (1), valve seal (2), drain hole sealing (3) and open and close a mouthful sealing (4), it is characterized in that: semicircle end face seal cushion rubber (7) is adopted in described material feeding mouth sealing (1) and described drain hole sealing (3), and circular seal cushion rubber (5) is adopted in described valve seal (2) and described keying mouthful sealing (4); Described circular seal cushion rubber (5) comprises that sectional shape is circular cushion rubber body (9); Described semicircle end face seal cushion rubber (7) comprises that sectional shape is a semicircular cushion rubber body (9), and this semicircular diameter is positioned at end face; Described cushion rubber body (9) is outside equipped with polyvinylfluoride clad (10).
4. a ton is packed blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing (1), valve seal (2), drain hole sealing (3) and open and close a mouthful sealing (4), it is characterized in that: rectangular seal cushion rubber (6) is adopted in described material feeding mouth sealing (1) and described drain hole sealing (3), and circular seal cushion rubber (5) is adopted in described valve seal (2) and described keying mouthful sealing (4); Described circular seal cushion rubber (5) comprises that sectional shape is circular cushion rubber body (9); Described rectangular seal cushion rubber (6) comprises that sectional shape is the cushion rubber body (9) of rectangle; Described cushion rubber body (9) is outside equipped with polyvinylfluoride clad (10).
5. a ton is packed blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing (1), valve seal (2), drain hole sealing (3) and open and close a mouthful sealing (4), it is characterized in that: rectangular seal cushion rubber (6) is adopted in described material feeding mouth sealing (1) and described drain hole sealing (3), and semicircle circumferential seal cushion rubber (8) is adopted in described valve seal (2) and described keying mouthful sealing (4); Described rectangular seal cushion rubber (6) comprises that sectional shape is the cushion rubber body (9) of rectangle; Described semicircle circumferential seal cushion rubber (8) comprises that sectional shape is a semicircular cushion rubber body (9), and this semicircular diameter is positioned at inner ring surface; Described cushion rubber body (9) is outside equipped with polyvinylfluoride clad (10).
6. a ton is packed blowing dish valve anti-corrosion and high strength O-ring seal, comprise material feeding mouth sealing (1), valve seal (2), drain hole sealing (3) and open and close a mouthful sealing (4), it is characterized in that: circular seal cushion rubber (5) is adopted in described material feeding mouth sealing (1) and described drain hole sealing (3), and semicircle circumferential seal cushion rubber (8) is adopted in described valve seal (2) and described keying mouthful sealing (4); Described circular seal cushion rubber (5) comprises that sectional shape is circular cushion rubber body (9); Described semicircle circumferential seal cushion rubber (8) comprises that sectional shape is a semicircular cushion rubber body (9), and this semicircular diameter is positioned at inner ring surface; Described cushion rubber body (9) is outside equipped with polyvinylfluoride clad (10).
7. according to each described ton packing blowing dish valve anti-corrosion and high strength O-ring seal in the claim 1 to 6, it is characterized in that: the material of described cushion rubber body (9) is nitrile butadiene rubber, ethylene propylene diene rubber or polyvinyl plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206433668U CN201891856U (en) | 2010-12-06 | 2010-12-06 | Corrosion-resistant high-strength sealing rubber ring for ton-packaged discharge butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206433668U CN201891856U (en) | 2010-12-06 | 2010-12-06 | Corrosion-resistant high-strength sealing rubber ring for ton-packaged discharge butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891856U true CN201891856U (en) | 2011-07-06 |
Family
ID=44221333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206433668U Expired - Fee Related CN201891856U (en) | 2010-12-06 | 2010-12-06 | Corrosion-resistant high-strength sealing rubber ring for ton-packaged discharge butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891856U (en) |
-
2010
- 2010-12-06 CN CN2010206433668U patent/CN201891856U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20121206 |