CN202691137U - Bio-antimicrobial pneumatic diaphragm valve - Google Patents
Bio-antimicrobial pneumatic diaphragm valve Download PDFInfo
- Publication number
- CN202691137U CN202691137U CN 201220333995 CN201220333995U CN202691137U CN 202691137 U CN202691137 U CN 202691137U CN 201220333995 CN201220333995 CN 201220333995 CN 201220333995 U CN201220333995 U CN 201220333995U CN 202691137 U CN202691137 U CN 202691137U
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- China
- Prior art keywords
- valve
- barrier film
- pneumatic
- pneumatic diaphragm
- platen
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- Expired - Lifetime
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Abstract
The utility model relates to a bio-antimicrobial pneumatic diaphragm valve, which comprises a valve body, a valve rod, a valve cover, a diaphragm component and a pneumatic component, wherein the valve cover is arranged on the valve body; the pneumatic component is arranged on the valve cover; one end of the valve rod is connected with the pneumatic component, and the other end of the valve rod is connected with the diaphragm component; the diaphragm component is movably arranged in the valve cover to isolate a medium flow channel in the valve body from the pneumatic component and the valve rod; and when the valve is closed, the medium flow channel in the valve body is closed by the diaphragm component under the drive of the valve rod. Compared with the prior art, the bio-antimicrobial pneumatic diaphragm valve has the advantages of good sealing performance, long service life, and the like, and can prevent liquid from being accumulated in a pipeline.
Description
Technical field
The utility model relates to a kind of membrane valve, especially relates to a kind of biological antibiotic pneumatic diaphragm valve.
Background technique
At present, the valve of general type is widely used in every field, but has in use also run into a lot of problems, is prone to the phenomenons such as leakage, obstruction, caking in the valve body content such as medium, has had a strong impact on the normal use of valve.The valve of general type easily causes the corrosion of these parts because the parts such as valve rod are immersed in the medium for a long time, so that its sealability descends.When being used for pharmacy, food, biology and chemical field, some valve usually can be in valve body hydrops.
The model utility content
The purpose of this utility model is exactly the biological antibiotic pneumatic diaphragm valve that provides a kind of good seal performance, long service life for the defective that overcomes above-mentioned prior art existence, can prevent the pipeline hydrops.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of biological antibiotic pneumatic diaphragm valve, comprise valve body, valve rod, valve gap, septum assembly and Pneumatic assembly, described valve gap is located on the valve body, described Pneumatic assembly is located on the valve gap, and described valve rod one end connects Pneumatic assembly, and the other end connects septum assembly, described septum assembly is arranged in the valve gap movably, media flow passage and Pneumatic assembly, the valve rod of valve body are isolated, during valve closing, the media flow passage of septum assembly closed valve under valve rod drives.
Media flow passage in the described valve body is the streamlined of the shape of falling V, and during valve closing, elastic strain, the top of this media flow passage of butt occur downwards under valve rod drives septum assembly.
Described septum assembly comprises flap, barrier film and barrier film pad, and described flap is fixed on the valve rod by connecting cylinder and pin, and described barrier film is located between flap and the barrier film pad, and is fixed by screws on the connecting cylinder.
Described barrier film is the ethylene propylene diene rubber barrier film, and described barrier film pad is teflon barrier film pad.
Described Pneumatic assembly comprises cylinder, platen, driver film and spring, described cylinder is connected on the valve gap, cylinder is provided with cylinder head, and formation cavity, described platen, driver film and spring are located in the described cavity, and platen is relative with the driver film fixing, and are connected with valve rod, described spring one end is fixed in platen, and the other end is fixed on described inside cavity.
The top of described cylinder head is provided with the reservation device for the attaching outside appurtenances.
Described platen is provided with two, is located at respectively the up and down both sides of driver film, and pad is provided with packing ring between platen and the driver film, and the platen that is positioned at downside is fixed in the upper end of described spring, and the bottom of cavity is fixed in the lower end of spring.
Described cylinder and cylinder head adopt the ABS material.
Described valve rod is arranged with outward for the bearing housing that reduces kinetic friction.
Described valve body and valve gap are stainless steel.
Compared with prior art, the utlity model has following advantage:
1, valve body, valve gap are stainless steel, steady, shiny cleaning, and the ABS that cylinder, cylinder head material are, long service life, cost is low.
2, the media flow passage in the valve body is the airflow design of the shape of falling V, without the dead angle, and the valve opening formula, the resistance that circulation produces to medium is less, can prevent the pipeline hydrops.
3, septum assembly adopts double layer construction, is comprised of barrier film and barrier film pad, and barrier film can also be strengthened the sealing effect of barrier film pad except the barrier film pad that plays a part protection and medium contact, have all reached optimum level in its reliability and working life.
4, the barrier film material is ethylene propylene diene rubber, heat-resisting T≤130 ℃, barrier film pad material are teflon, and has satisfied under the working condition of long-time high temperature sterilization heat-resisting T≤150 ℃, the material of barrier film and barrier film pad did not lose efficacy, and had the characteristic of high density, high finishingness and high bending degree.
5, the compact overall structure of valve can be guaranteed in narrow space or special small pipeline is realized installing.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, a kind of biological antibiotic pneumatic diaphragm valve, its critical piece comprise valve body 27, valve rod 7, valve gap 26, septum assembly and Pneumatic assembly.Valve gap 26 is located on the valve body 27, is made of the screw V22, the nut II25 that mate and two packing ring IV23, packing ring V24 that are used for the reinforcement screw-down torque.Pneumatic assembly is located on the valve gap 26, and valve rod 7 one ends connect Pneumatic assembly, and the other end connects septum assembly, septum assembly is arranged in the valve gap 26 movably, media flow passage in the valve body 27 and Pneumatic assembly, valve rod 7 are isolated, prevent that it from corroding these parts, causes leakage.Media flow passage in the valve body is the streamlined of the shape of falling V, and during valve closing, elastic strain, the top of this media flow passage of butt, thereby closed dielectric flow channel occur downwards under valve rod drives septum assembly.
Septum assembly comprises flap 4, barrier film 3 and barrier film pad 1, and flap 4 is fixed on the valve rod 7 by connecting cylinder 5 and pin 6.Barrier film 3 is located between flap 4 and the barrier film pad 1, and is fixed on the connecting cylinder 5 by screw I2, thereby realizes and being connected of flap 4.The material that barrier film 3 adopts is ethylene propylene diene rubber, can strengthen the sealing effect of barrier film pad 1.
Pneumatic assembly comprises cylinder 19, platen 12, driver film 10 and spring 9, cylinder 19 is connected on the valve gap 26 by screw IV20, its joint also is provided with packing ring III21, be used for strengthening the screw-down torque between cylinder 19 and the valve gap 26, cylinder 19 is provided with cylinder head 18, and the formation cavity, and be fastenedly connected by screw III16 and packing ring II17.Platen 12, driver film 10 and spring 9 are located in the described cavity.Wherein, platen 12 is provided with two, and is relative fixing with driver film 10, be located at respectively the up and down both sides of driver film 10, and be connected with valve rod 7 by nut I13, the platen 12 that is positioned at downside is fixed in the upper end of spring 9, and the bottom of cavity is fixed in the lower end of spring 9.The top of cylinder head 18 is provided with the reservation device for the attaching outside appurtenances, this reservation device is screw II15, this joint is provided with the seal ring 14 for the enhanced leaktightness effect, can the attaching feedback signal, snubber etc., and to satisfy from nearly control, program control needs.
Cylinder 19 and cylinder head 18 adopt the ABS material, compare metallic material, can reduce cost, enhance productivity, valve body 27 and valve gap 26 are stainless steel, so that the long service life of whole valve, the outer bearing housings 8 that are arranged with of valve rod 7 with the friction of cylinder, play simultaneously and lead and the effect of shock-absorbing when reducing valve rod 7 upper and lower displacement.
The barrier film material is ethylene propylene diene rubber, heat-resisting T≤130 ℃, barrier film pad material are teflon, and has satisfied under the working condition of long-time high temperature sterilization heat-resisting T≤150 ℃, the material of barrier film and barrier film pad did not lose efficacy, and had the characteristic of high density, high finishingness and high bending degree.
All parts and the function of this valve are as follows:
Barrier film pad 1: with barrier film combination, being used for spacer medium to the leakage at valve rod place, and cooperating with valve body and to form sealing, is one of leading indicator of examining the valve mass performance, is the major part of valve opening and closing element.
Screw I2: the link of barrier film and barrier film pad and flap.
Barrier film 3: between flap and barrier film pad, with the combination of barrier film pad, auxiliary barrier film pad reaches the optimal seal effect, is one of leading indicator of examination valve mass performance, is the major part of valve opening and closing element.
Flap 4: the major part of valve opening and closing element.
Connecting cylinder 5: the link of flap and valve rod.
Pin 6: fixedly flap and valve rod is connected.
Valve rod 7: hoisting capacity is delivered to major part on the open-shut device.
Bearing housing 8: with the friction of cylinder, play simultaneously and lead and the effect of shock-absorbing when reducing the valve rod upper and lower displacement.
Spring 9: by the pressure of source of the gas, so that spring-compressed and extension, with the lifting of ovable valve stem.
Driver film 10: when switching source of the gas, be used for transmitting bleed pressure, control valve opens and closes.
Packing ring I11: the friction when minimizing platen and driver film move up and down.
Platen 12: when the driver film moves up and down, by platen bleed pressure being delivered on the valve rod, is the important composition parts of drive unit.
Nut I13: the fastening piece of valve rod.
Seal ring 14: prevent the loss of source of the gas cavity pressure in the cylinder.
Screw II15: but the reservation device of attaching miscellaneous part.
Screw III16: bear the connection of cylinder, cylinder head, driver film.
Packing ring II17: increase cylinder, cylinder head, driver film screw-down torque.
Cylinder head 18: the case of bleed pressure.
Cylinder 19: the case of bleed pressure.
Screw IV20: bear the connection of cylinder, valve gap.
Packing ring III21: strengthen cylinder, valve gap screw-down torque.
Screw V22: bear valve body, barrier film and barrier film pad and be connected the connection of valve gap.
Packing ring IV23: the screw-down torque that strengthens valve body, barrier film and barrier film pad, valve gap.
Packing ring V24: the screw-down torque that strengthens valve body.
Nut II25: locking valve body, barrier film are connected the connection of valve gap with the barrier film pad.
Valve gap 26: link to each other with valve body, and consist of the major part of pressure chamber with valve body
Valve body 27: major function is the major part as the working medium flow channel, bears working medium pressure, temperature.
The valve body of this valve and pipeline adopt the Connecting format of welding, and valve body directly is connected with reactor, have not only guaranteed the degree of finish of valve interior surface, also help simultaneously the discharging of medium, have prevented the delay of the growing of bacterium, medium.In the transmission pipeline of the biological respinse stills such as especially microorganism cultivation, animal cell culture and culture plant cell, biological antibacterial diaphragm valve can directly be welded on the bottommost of fermenting tub.Biological antibacterial diaphragm valve is widely used in the fields such as food, pharmacy, biological and chemical.Reduced the medium tache that pipeline connects, solved the problem of pipeline hydrops fully, thereby reached the effect of exhaust, cleaning and the sterilization of reaction system the best.
Claims (10)
1. biological antibiotic pneumatic diaphragm valve, it is characterized in that, comprise valve body, valve rod, valve gap, septum assembly and Pneumatic assembly, described valve gap is located on the valve body, described Pneumatic assembly is located on the valve gap, described valve rod one end connects Pneumatic assembly, the other end connects septum assembly, described septum assembly is arranged in the valve gap movably, media flow passage and Pneumatic assembly, the valve rod of valve body are isolated, during valve closing, the media flow passage of septum assembly closed valve under valve rod drives.
2. a kind of biological antibiotic pneumatic diaphragm valve according to claim 1, it is characterized in that, the media flow passage in the described valve body is the streamlined of the shape of falling V, during valve closing, elastic strain, the top of this media flow passage of butt occur downwards in septum assembly under valve rod drives.
3. a kind of biological antibiotic pneumatic diaphragm valve according to claim 1, it is characterized in that, described septum assembly comprises flap, barrier film and barrier film pad, described flap is fixed on the valve rod by connecting cylinder and pin, described barrier film is located between flap and the barrier film pad, and is fixed by screws on the connecting cylinder.
4. a kind of biological antibiotic pneumatic diaphragm valve according to claim 3 is characterized in that, described barrier film is the ethylene propylene diene rubber barrier film, and described barrier film pad is teflon barrier film pad.
5. a kind of biological antibiotic pneumatic diaphragm valve according to claim 1, it is characterized in that, described Pneumatic assembly comprises cylinder, platen, driver film and spring, and described cylinder is connected on the valve gap, and cylinder is provided with cylinder head, and formation cavity, described platen, driver film and spring are located in the described cavity, and platen is relative with the driver film fixing, and are connected with valve rod, described spring one end is fixed in platen, and the other end is fixed on described inside cavity.
6. a kind of biological antibiotic pneumatic diaphragm valve according to claim 5 is characterized in that, the top of described cylinder head is provided with the reservation device for the attaching outside appurtenances.
7. a kind of biological antibiotic pneumatic diaphragm valve according to claim 5, it is characterized in that, described platen is provided with two, be located at respectively the up and down both sides of driver film, pad is provided with packing ring between platen and the driver film, the upper end of described spring is fixed in the platen of downside, and the bottom of cavity is fixed in the lower end of spring.
8. a kind of biological antibiotic pneumatic diaphragm valve according to claim 5 is characterized in that, described cylinder and cylinder head adopt the ABS material.
9. a kind of biological antibiotic pneumatic diaphragm valve according to claim 1 is characterized in that, described valve rod is arranged with outward for the bearing housing that reduces kinetic friction.
10. a kind of biological antibiotic pneumatic diaphragm valve according to claim 1 is characterized in that, the material of described valve body and valve gap is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333995 CN202691137U (en) | 2012-07-10 | 2012-07-10 | Bio-antimicrobial pneumatic diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333995 CN202691137U (en) | 2012-07-10 | 2012-07-10 | Bio-antimicrobial pneumatic diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202691137U true CN202691137U (en) | 2013-01-23 |
Family
ID=47546761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333995 Expired - Lifetime CN202691137U (en) | 2012-07-10 | 2012-07-10 | Bio-antimicrobial pneumatic diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202691137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542130A (en) * | 2012-07-10 | 2014-01-29 | 上海阀门五厂有限公司 | Biological antibacterial pneumatic diaphragm valve |
-
2012
- 2012-07-10 CN CN 201220333995 patent/CN202691137U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542130A (en) * | 2012-07-10 | 2014-01-29 | 上海阀门五厂有限公司 | Biological antibacterial pneumatic diaphragm 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: 20130123 |