CN209213097U - A kind of stainless steel check-valves - Google Patents
A kind of stainless steel check-valves Download PDFInfo
- Publication number
- CN209213097U CN209213097U CN201822253842.4U CN201822253842U CN209213097U CN 209213097 U CN209213097 U CN 209213097U CN 201822253842 U CN201822253842 U CN 201822253842U CN 209213097 U CN209213097 U CN 209213097U
- Authority
- CN
- China
- Prior art keywords
- shell
- housing
- piston
- stainless steel
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of stainless steel check-valves, including, first shell, second housing, piston, gasket, first shell is threaded togather with second housing, gasket is provided between first shell and second housing, the second housing is internally provided with coniform hole, the coniform hole internal activity is provided with piston, the upper end of the piston is movably set with guide ring, the upper end of first shell is fixedly installed discharge port, the lower end of the second housing is fixedly installed feed inlet, the upper end of the piston is cylindrical body, the outer diameter of the cylindrical body is less than the internal diameter of guide ring.This product is to be formed by 316L pharmaceutical grade stainless steel material by Precision Machining, and cleaning and sterilizing facilitates, without dead angle, meets national GMP code requirement and supports sterilization system on line sterilizing reusable.Acid-alkali-corrosive-resisting disassembles the advantages that facilitating.Effectively reduce the check-valves use cost of pharmacy corporation.
Description
Technical field
The utility model relates to check-valves technical field, specially a kind of stainless steel check-valves.
Background technique
Stainless steel check-valves is high-precision liquid check device, can effectively prevent filling syringe needle dropping liquid, spit liquid, resorption amount
Excessive, filling amount is unstable.Existing glass check-valves is easy breakage in the filling production of medical fluid to medical fluid
Pipeline shines into pollution, generates because it is mounted on duct end position medical fluid its spool and valve wall friction when through glass check-valves
Cast cannot effectively filter, to product quality shine at extreme influence.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of stainless steel check-valves, solves existing glass
Check-valves is easy breakage in the filling production of medical fluid and shines liquor piping at pollution, exists because it is mounted on duct end position medical fluid
Cannot effectively be filtered by the cast that its spool when glass check-valves and valve wall friction generate, to product quality shine at
The technical issues of extreme influence.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of stainless steel check-valves, packet
It including, the first shell, second housing, piston, gasket, first shell is threaded togather with second housing, and described
It is provided with gasket between one shell and second housing, the second housing is internally provided with coniform hole, in the coniform hole
Portion is movably set with piston, and the upper end of the piston is movably set with guide ring, and the upper end of first shell is fixedly installed
Discharge port, the lower end of the second housing are fixedly installed feed inlet, and the upper end of the piston is cylindrical body, the cylindrical body
Outer diameter is less than the internal diameter of guide ring.
Preferably, the material of the gasket is oil resistant rubber, and the gasket is to be provided with through-hole among disc-shaped, institute
Stating is circular through hole inside gasket.
Preferably, first shell is identical as the outer dia of second housing, the diameter of the discharge port and feed inlet
The respectively less than outer diameter of the first shell and second housing, and the outside of the discharge port and feed inlet is provided with ladder-like non-slip groove.
Preferably, the lower end of the piston is the conical surface, and the angle of the conical surface of lower end is identical as tapered orifice angle.
Preferably, the guide ring is to be provided with through-hole among disc-shaped.
Preferably, first shell, second housing, piston, gasket, guide ring are coaxial arrangement.
Beneficial effect
The utility model provides a kind of stainless steel check-valves.Have following the utility model has the advantages that this product is medicinal by 316L
Grade stainless steel material is formed by Precision Machining, and cleaning and sterilizing facilitates, without dead angle, is met national GMP code requirement and is supported online
Sterilization is reusable, and acid-alkali-corrosive-resisting disassembles the advantages that facilitating.The check-valves for effectively reducing pharmacy corporation uses
Cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of stainless steel check-valves described in the utility model；
Fig. 2 is a kind of second housing structural schematic diagram of stainless steel check-valves described in the utility model；
Fig. 3 is a kind of piston structure schematic diagram of stainless steel check-valves described in the utility model；
Fig. 4 is a kind of second housing structural schematic diagram of stainless steel check-valves described in the utility model.
In figure: the first shell 1, discharge port 101, second housing 2, coniform hole 201, feed inlet 202, piston 3, cylindrical body
301, gasket 4, guide ring 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of stainless steel check-valves, including, the first shell
1, second housing 2, piston 3, gasket 4, first shell 1 are threaded togather with second housing 2, first shell
Gasket 4 is provided between 1 and second housing 2, the second housing 2 is internally provided with coniform hole 201, the coniform hole
201 internal activities are provided with piston 3, and the upper end of the piston 3 is movably set with guide ring 5, and the upper end of first shell 1 is solid
Surely it is provided with discharge port 101, the lower end of the second housing 2 is fixedly installed feed inlet 202, and the upper end of the piston 3 is circle
Cylinder 301, the outer diameter of the cylindrical body 301 are less than the internal diameter of guide ring 5.The material of the gasket 4 is oil resistant rubber, described
Gasket 4 is that through-hole is provided among disc-shaped, is circular through hole inside the gasket 4.Outside first shell 1 and second
The outer dia of shell 2 is identical, and the diameter of the discharge port 101 and feed inlet 202 is respectively less than the first shell 1 and second housing 2
Outer diameter, and the outside of the discharge port 101 and feed inlet 202 is provided with ladder-like non-slip groove.The lower end of the piston 3 is cone
The angle in face, the conical surface of lower end is identical as 201 angle of coniform hole.The guide ring 5 is to be provided with through-hole among disc-shaped.
First shell 1, second housing 2, piston 3, gasket 4, guide ring 5 are coaxial arrangement.
Embodiment, single unit system working principle are as follows: ensuring that each sealing element is not revealed before use.(1) medical fluid is from stainless steel
Feed inlet 202 enters behind check-valves inside through piston 3 below check-valves, prevents medical fluid reflux from playing when drencher inhales medicine
Non-return effect.The discharge port 101 (hose in front of perfusion syringe needle) that perfusion hose is linked to above check-valves, opens up for starting to pump
Medical fluid, when opening of device, pay attention to observing whether perfusion syringe needle has return-air phenomenon！Check-valves is removed with filtering if any return-air phenomenon
Water for injection afterwards is installed and used after being backwashed.
Check-valves cleaning and disinfection include the following steps:
(1) it cleaning procedure: after purified water cleans up, is rinsed with water for injection:
It is first to use, it is long-term to place, 5-15 minutes (depyrogenation) is impregnated with 05-1.5%NaOH, is rinsed with water for injection dry
Only；
(2) sterilizing program: being proposed with the damp and hot vapour of high pressure and sterilize, and 120 DEG C of sterilising temp, pressure 0.1MPA, the time
30 minutes.
Washing and sterilizing points for attention:
(1) chemical solution containing chlorine must not be used to contact with stainless steel, with anticorrosion stainless steel part:
(2) stainless steel check-valves should be cleaned by set when cleaning, surface forbids to be scratched or hit using hard object.
The gasket 4 being equipped on check-valves is the manufacture of import raw material, and hardness is moderate, and elasticity is preferably, can be resistant to 160
DEG C high temperature.Normal sterilizing is greater than 150 times, still there is preferably elasticity and leakproofness.
Check valve seal circle is caused to be easily damaged following several because being known as:
(1) sterilizing, screw at 2 link of fixed non-return valve shell 1 and shell cannot be tightened because gasket 4 be heated it is swollen
Swollen, if twisting too tight, gasket 4 causes to seal it is possible that crackle, follow the string.
(2) dipping by lye overlong time is used, the elasticity of gasket 4 can be deteriorated.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is limited by the following claims and their equivalents.
Claims (6)
1. a kind of stainless steel check-valves, including, the first shell (1), second housing (2), piston (3), gasket (4), feature
It is, first shell (1) is threaded togather with second housing (2), first shell (1) and second housing (2)
Between be provided with gasket (4), the second housing (2) is internally provided with coniform hole (201), in the coniform hole (201)
Portion is movably set with piston (3), and the upper end of the piston (3) is movably set with guide ring (5), first shell (1) it is upper
End is fixedly installed discharge port (101), and the lower end of the second housing (2) is fixedly installed feed inlet (202), the piston
(3) upper end is cylindrical body (301), and the outer diameter of the cylindrical body (301) is less than the internal diameter of guide ring (5).
2. a kind of stainless steel check-valves according to claim 1, which is characterized in that first shell (1), second housing
(2), piston (3), gasket (4), guide ring (5) are coaxial arrangement, first shell (1), second housing (2), piston
(3), the material of guide ring (5) is 316L pharmaceutical grade stainless steel material.
3. according to claim 1 with a kind of stainless steel check-valves described in 2 any one, which is characterized in that the gasket (4)
Material be oil resistant rubber, it is circle inside the gasket (4) that the gasket (4), which is to be provided with through-hole among disc-shaped,
Through-hole.
4. a kind of stainless steel check-valves according to claim 1, which is characterized in that outside first shell (1) and second
The outer dia of shell (2) is identical, and the diameter of the discharge port (101) and feed inlet (202) is respectively less than the first shell (1) and second
The outer diameter of shell (2), and the outside of the discharge port (101) and feed inlet (202) is provided with ladder-like non-slip groove.
5. a kind of stainless steel check-valves according to claim 1, which is characterized in that the lower end of the piston (3) is the conical surface,
The angle of the conical surface of its lower end is identical as coniform hole (201) angle.
6. a kind of stainless steel check-valves according to claim 1, which is characterized in that the guide ring (5) is disc-shaped
Centre is provided with through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253842.4U CN209213097U (en) | 2018-12-29 | 2018-12-29 | A kind of stainless steel check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253842.4U CN209213097U (en) | 2018-12-29 | 2018-12-29 | A kind of stainless steel check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213097U true CN209213097U (en) | 2019-08-06 |
Family
ID=67466673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822253842.4U Active CN209213097U (en) | 2018-12-29 | 2018-12-29 | A kind of stainless steel check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213097U (en) |
-
2018
- 2018-12-29 CN CN201822253842.4U patent/CN209213097U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209213097U (en) | A kind of stainless steel check-valves | |
| CN205691295U (en) | A kind of plastic gloves liquid leak detection device | |
| CN207375879U (en) | A kind of circularly purifying cleaning machine | |
| CN206526819U (en) | A kind of Medical microbiology experiment device | |
| CN205009567U (en) | Double screw extruder vacuum pumping system | |
| CN205145185U (en) | Water bath sterilization device with inside cleaning function | |
| CN208464729U (en) | A kind of sterilizing cabinet with cleaning function | |
| CN212442239U (en) | Full-perfusion intelligent monitoring system of full-automatic endoscope cleaning and disinfecting equipment | |
| CN208671044U (en) | A kind of M-phthalic acid device waste gas collection device | |
| CN204134001U (en) | There is the humidification bottle of decompression | |
| CN211705361U (en) | Hydrologic cycle formula ampoule sterilizer | |
| CN208361867U (en) | A kind of liquid germ-free loading cavity | |
| CN208770633U (en) | A kind of medical oxygen filter with humidification | |
| CN207581437U (en) | A kind of purifying equipment for running water based on ozonization | |
| CN108033545A (en) | A kind of purifying equipment for running water based on ozonization | |
| CN206109366U (en) | Novel fruit wine clarification filtration system | |
| CN214633243U (en) | Negative pressure type venous transfusion device | |
| CN205613173U (en) | Storing jar system | |
| CN210546889U (en) | Rotary bottle cleaning device | |
| CN213599350U (en) | Feeding and filtering device for pure steam generator | |
| CN109364279A (en) | It is a kind of can online CIP/SIP thimerosal filtration sterilization and cleaning system | |
| CN106007032A (en) | Fully-automatic pharmaceutical water purification treatment device | |
| CN210542528U (en) | Online sterilization device of respiratory filter | |
| CN219354722U (en) | Online sterilization device for high-capacity batching filling and sealing pipeline overhead tank | |
| CN217030805U (en) | Detachable vaporizer device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |