CN202070211U - Sealing/opening dual-purpose sterility test thin film filter - Google Patents
Sealing/opening dual-purpose sterility test thin film filter Download PDFInfo
- Publication number
- CN202070211U CN202070211U CN2011201211406U CN201120121140U CN202070211U CN 202070211 U CN202070211 U CN 202070211U CN 2011201211406 U CN2011201211406 U CN 2011201211406U CN 201120121140 U CN201120121140 U CN 201120121140U CN 202070211 U CN202070211 U CN 202070211U
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- filter
- sealing
- pan
- joint
- lid
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Abstract
The utility model provides a sealing/opening dual-purpose sterility test thin film filter, which comprises a filter head (1), a filter base (2), a filter head frame (3), an air filter (4) and a sealing film (5). The sealing/opening dual-purpose sterility test thin film filter adopts the technical scheme that the filter head consists of a filter head connector, a glass tube, a filter cone and a filter head cover, the filter base comprises a filter head port, a valve, a liquid discharging pipe, a support and a handle, and the filter device is formed by combining the filter head and the filter base with the filter head frame, the air filter, and a sealing film assembly. The sealing/opening dual-purpose sterility test thin film filter overcomes the shortcoming that filters in the prior art not compatible in terms of sealing and opening, inconvenient to use and high in cost. The filer head cover of the filter head is added with the sealing film, the filter can be used for sealing type filtering by inserting the air filter, and the filter can be used for opening type filtering without arranging the sealing film. All the component devices can be demounted, cleaned, sterilized and reused, thereby enabling the sterility test thin film filter to achieve the aims of being compatible of sealing and opening and convenient to use and reducing cost.
Description
Technical field
The utility model relates to the filter in the instrument of a kind of laboratory, is meant that specifically the laboratory is used for the fluid of medicine, food is undertaken by filtration membrane the sterility test membrane filter of a kind of sealing/opening dual-purpose of aseptic filtration Separation of Solid and Liquid purposes.
Background technology
When the sterility test membrane filter uses, by whether directly communicating and being divided into open and closed with the desinfection chamber atmosphere, be divided into muptiple-use and disposable by reusing, closed and the open sterility test filter of prior art the two can not be compatible, use inconvenience, the phenomenon that the superfluous another kind of shortage of a kind of filter can occur, and the expense of disposable filter is higher; Therefore, prior art exists sealing open incompatible, uses the problems and shortcomings inconvenient, that expense is high.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the utility model adopts by the filter joint, glass infuser, pan, the filter that the filter lid is formed, by the filter interface, valve, discharging tube, support, the filter block that handle constitutes, with the filter frame, air cleaner, the technical scheme of closing membrane assembly component devices combination, the sterility test membrane filter of a kind of sealing/opening dual-purpose is provided, be intended to cover and install closing membrane additional by filter at filter, plug air cleaner and promptly can be used for enclosed filter, do not install closing membrane additional and then can be used for open filtration, the all detachable cleaning and sterilizing of all component devices utilizes once more, it is open compatible to make the sterility test membrane filter reach sealing, easy to use and reduce the purpose of expense.
The purpose of this utility model is achieved in that the sterility test membrane filter of a kind of sealing/opening dual-purpose, comprise filter, filter block, filter frame, air cleaner, closing membrane, wherein: described filter is for being assembled by discrete filter joint, glass infuser, pan, filter lid, wherein, the filter joint is for being provided with the rubber mass stopper of the truncated cone of through hole along central axis; Glass infuser is the thin-walled quartz glass tube that tube wall is provided with the indication of liquid level scale; Pan is the conical stainless steel funnel that the below has cylindrical fistulae; The fistulae cylinder of pan is provided with external screw thread, and the upper edge hole of the conical funnel of pan is provided with vertical minor face frame; The frame of pan and circular cone inner face junction are provided with the mesh grate of stainless steel, are installed with the adjusting knob of disk shape nut on the external screw thread of the described fistulae outer wall of pan, climb the purposes that buckles of the described filter lid of button when being used to assemble; Filter covers the lid for the stainless steel of the rolling cover that is provided with a rotatable folding on the bead hoop cover of annular; Be fixed with buckling of the shaped as frame that is bent into by stainless steel wire below the bead hoop cover of filter lid, described two ends that buckle are symmetrically welded on the excircle of bead hoop cover up;
Pan is following, filter covers last, glass infuser in middle clamping, by buckling of filter lid cross over glass infuser climb the adjusting knob that is buckled in pan below, rotation adjusting knob tension downwards buckles, glass infuser is fixed to clamp between pan and filter lid, and equal liner has the sealing ring sealing between pan, filter lid and the glass infuser; The stub end of the circular cone stage body of filter joint up, the lower end of pan fistulae from top to bottom screws in the little head end of central through hole below exposing the filter joint of filter joint;
The single unit system of described filter block for constituting by filter interface, valve, discharging tube, support, handle; Discharging tube is end sealing, and the other end is provided with the fluid line of the cylindrical stainless steel of hose coupling; Support is the rectangular slab of the stainless steel of vertical storing, is provided with the handle handle above the support; Two supporting plate faces are parallel relatively, two ends of the discharging tube that the level that is positioned at is put, two ends of discharging tube pass the plate face center of a support separately, fixed mount is located on the support, the outer plate surface of support under the described hose coupling of discharging tube is positioned at, two relative one sides of support are called inner plate surface, and another side then is called outer plate surface; The cylinder uniform arrangement in top of discharging tube is provided with some valves, and the upper end of valve is provided with the filter joint corresponding matching of described filter and is connected the filter interface of the stainless steel of truncated cone thin-walled cup-shaped;
Described filter frame is to be used for the temporary transient upright plastics mounting of putting described filter, the outside of filter frame is up-small and down-big truncated cone, the center, upper end of filter frame is provided with the groove with the filter joint truncated cone that cooperate, up big and down small of described filter, and described groove bottom land center is provided with circular port and communicates with the lower end of filter frame;
Described air cleaner is provided with barrel nut through hole, plastics matter with a joint center and is connected for being provided with cylindrical screw through hole, plastics matter by a joint center, and middle inner chamber clamps the air filter of filter core; Two ends of air cleaner are provided with the connector of protrusion, and the connector of two ends is ventilated mutually through described filter core; On the connector of air cleaner one end syringe needle is housed;
Described closing membrane is circular silica gel thin slice;
Use and connect:
A. open filtration
The filter joint of filter is inserted on the filter interface of filter block, open the rolling cover of filter, on the mesh grate of filter, shelve filtration membrane, in filter, inject liquid to be filtered, the rolling cover that closes prevents that the dirt bits directly fall into filter in the air, and the valve of opening filter block begins to filter;
Owing to have the slit between the bead hoop of filter lid cover and the rolling cover, therefore, the air balance that communicates with the outer atmosphere of filter in liquid to be filtered liquid level top can not form negative pressure and block filter course in the filter;
Hose coupling place at the discharging tube of filter block loads onto flexible pipe, by flexible pipe will filter liquid import in the collection container.
B. enclosed filter
The filter joint of filter is inserted on the filter interface of filter block, open the rolling cover of filter, on the mesh grate of filter, shelve filtration membrane, the adjusting knob of rotation filter upwards makes and buckles dropout, take off the filter lid, lining is gone into closing membrane between the bead hoop cover of glass infuser and filter lid, afterwards, the rotation adjusting knob is downward, make to buckle again and detain back, puncture closing membrane with the syringe needle of air cleaner air cleaner is inserted on the closing membrane, puncture closing membrane with syringe and inject liquid to be filtered in filter, the valve of opening filter block begins to filter; Air cleaner makes that liquid to be filtered liquid level top air filters the balance that communicates with the outer atmosphere of filter in the filter, avoids forming negative pressure retardance filter course, stops in the air dirt to be considered to be worth doing simultaneously and enters filter; Hose coupling place at the discharging tube of filter block loads onto flexible pipe, by flexible pipe will filter liquid import in the collection container;
Stand-by filter is inserted in the truncated cone groove of filter frame by the filter joint, temporarily uprightly is seated on the filter frame.
Beneficial effect
To sum up, cover at the filter of filter and to install closing membrane additional, plug air cleaner and promptly can be used for enclosed filter, do not install closing membrane additional and then can be used for open filtration, all detachable cleaning and sterilizing of all component devices utilizes once more.
Above-mentioned, the utility model adopts by the filter joint, glass infuser, pan, the filter that the filter lid is formed, by the filter interface, valve, discharging tube, support, the filter block that handle constitutes, with the filter frame, air cleaner, the technical scheme of closing membrane assembly component devices combination, having overcome prior art exists sealing open incompatible, use inconvenience, the problems and shortcomings that expense is high, the sterility test membrane filter of a kind of sealing/opening dual-purpose that is provided, cover by filter and to install closing membrane additional at filter, plug air cleaner and promptly can be used for enclosed filter, do not install closing membrane additional and then can be used for open filtration, the all detachable cleaning and sterilizing of all component devices utilizes once more, it is open compatible to make the sterility test membrane filter reach sealing, easy to use and reduce the purpose of expense.
Description of drawings
Fig. 1 is the schematic diagram of the sterility test membrane filter of a kind of sealing of the present utility model/opening dual-purpose;
Fig. 2 is the sterility test membrane filter of a kind of sealing of the present utility model/opening dual-purpose, is applied in the schematic diagram of open filtration tense;
Fig. 3 is the sterility test membrane filter of a kind of sealing of the present utility model/opening dual-purpose, is applied in the schematic diagram of enclosed filter tense;
Fig. 4 is the sterility test membrane filter of a kind of sealing of the present utility model/opening dual-purpose, and stand-by filter 1 uprightly is seated in the schematic diagram on the filter frame 3.
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
Among the figure: filter 1, filter joint 11, glass infuser 12, pan 13, adjusting knob 131, filter lid 14, buckle 141, rolling cover 142, bead hoop cover 143, filter block 2, filter interface 21, valve 22, discharging tube 23, hose coupling 231, support 24, handle 25, filter frame 3, air cleaner 4, closing membrane 5.
The specific embodiment
Consult Fig. 1～Fig. 4, the sterility test membrane filter of a kind of sealing of the present utility model/opening dual-purpose, comprise filter 1, filter block 2, filter frame 3, air cleaner 4, closing membrane 5, wherein: described filter 1 is for being assembled by discrete filter joint 11, glass infuser 12, pan 13, filter lid 14, wherein, filter joint 11 is for being provided with the rubber mass stopper of the truncated cone of through hole along central axis; Glass infuser 12 is provided with the thin-walled quartz glass tube of liquid level scale indication for tube wall; Pan 13 has the conical stainless steel funnel of cylindrical fistulae for the below; The fistulae cylinder of pan 13 is provided with external screw thread, and the upper edge hole of the conical funnel of pan 13 is provided with vertical minor face frame; The frame of pan 13 and circular cone inner face junction are provided with the mesh grate of stainless steel, are installed with the adjusting knob 131 of disk shape nut on the external screw thread of the described fistulae outer wall of pan 13, climb 141 purposes that buckle of the described filter lid 14 of button when being used to assemble; Filter lid 14 is for overlapping the lid of the stainless steel of the rolling cover 142 that is provided with a rotatable folding above 143 at the bead hoop of annular; What be fixed with the shaped as frame that is bent into by stainless steel wire below the bead hoop cover 143 of filter lid 14 buckles 141, describedly buckles 141 two ends up, is symmetrically welded on the excircle of bead hoop cover 143;
Pan 13 is following, filter lid 14 is last, glass infuser 12 in middle clamping, by filter lid 14 buckle 141 cross over glass infusers 12 climb the adjusting knob 131 that is buckled in pan 13 below, rotation adjusting knob 131 tension downwards buckles 141, glass infuser 12 is fixed to clamp between pan 13 and filter lid 14, and equal liner has the sealing ring sealing between pan 13, filter lid 14 and the glass infuser 12; The stub end of the circular cone stage body of filter joint 11 up, the lower end of pan 13 fistulaes from top to bottom screws in the little head end of central through hole below exposing filter joint 11 of filter joint 11;
The single unit system of described filter block 2 for constituting by filter interface 21, valve 22, discharging tube 23, support 24, handle 25; Discharging tube 23 is end sealing, and the other end is provided with the fluid line of the cylindrical stainless steel of hose coupling 231; Support 24 is the rectangular slab of the stainless steel of vertical storing, is provided with handle handle 25 above the support 24; Two support 24 plate faces are parallel relatively, two ends of the discharging tube 23 that the level that is positioned at is put, two ends of discharging tube 23 pass the plate face center of a support 24 separately, fixed mount is located on the support 24, the outer plate surface of support 24 under the described hose coupling 231 of discharging tube 23 is positioned at, two support 24 relative one sides are called inner plate surface, and another side then is called outer plate surface; The cylinder uniform arrangement in top of discharging tube 23 is provided with some valves 22, and the upper end of valve 22 is provided with filter joint 11 corresponding matching of described filter 1 and is connected the filter interface 21 of the stainless steel of truncated cone thin-walled cup-shaped;
Described filter frame 3 is for being used for the temporary transient upright plastics mounting of putting described filter 1, the outside of filter frame 3 is up-small and down-big truncated cone, the center, upper end of filter frame 3 is provided with the groove with that cooperate, the up big and down small truncated cone of the filter joint 11 of described filter 1, and described groove bottom land center is provided with circular port and communicates with the lower end of filter frame 3;
Described air cleaner 4 is provided with barrel nut through hole, plastics matter with a joint center and is connected for be provided with cylindrical screw through hole, plastics matter by a joint center, and middle inner chamber clamps the air filter of filter core; Two ends of air cleaner 4 are provided with the connector of protrusion, and the connector of two ends is ventilated mutually through described filter core; On the connector of air cleaner 4 one ends syringe needle is housed;
Described closing membrane 5 is circular silica gel thin slice;
Use and connect:
A. open filtration
The filter joint 11 of filter 1 is inserted on the filter interface 21 of filter block 2, open the rolling cover 142 of filter 1, on the mesh grate of filter 1, shelve filtration membrane, in filter 1, inject liquid to be filtered, the rolling cover 142 that closes prevents that the dirt bits directly fall into filter 1 in the air, and the valve 22 of opening filter block 2 begins to filter;
Owing to have the slit between the bead hoop of filter lid 14 cover 143 and the rolling cover 142, therefore, the air balance that communicates with filter 1 outer atmosphere in liquid to be filtered liquid level top can not form negative pressure and block filter course in the filter 1;
B. enclosed filter
The filter joint 11 of filter 1 is inserted on the filter interface 21 of filter block 2, open the rolling cover 142 of filter 1, on the mesh grate of filter 1, shelve filtration membrane, the adjusting knob 131 of rotation filter 1 upwards makes and buckles 141 dropouts, take off filter lid 14, lining is gone into closing membrane 5 between the bead hoop cover 143 of glass infuser 12 and filter lid 14, afterwards, rotation adjusting knob 131 is downward, make and buckle 141 and detain back again, puncture closing membrane 5 with the syringe needle of air cleaner 4 air cleaner 4 is inserted on the closing membrane 5, puncture closing membrane 5 with syringe and inject liquid to be filtered in filter 1, the valve 22 of opening filter block 2 begins to filter; Air cleaner 4 makes that liquid to be filtered liquid level top air filters the balance that communicates with filter 1 outer atmosphere in the filter 1, avoids forming negative pressure and blocks filter course, stops in the air dirt to be considered to be worth doing simultaneously and enters filter 1; Hose coupling 231 places at the discharging tube 23 of filter block 2 load onto flexible pipe, by flexible pipe will filter liquid import in the collection container;
Stand-by filter 1 is inserted in the truncated cone groove of filter frame 3 by filter joint 11, temporarily uprightly is seated on the filter frame 3.
Claims (1)
1. the sterility test membrane filter of a sealing/opening dual-purpose, it is characterized in that: comprise filter (1), filter block (2), filter frame (3), air cleaner (4), closing membrane (5), described filter (1) is for being assembled by discrete filter joint (11), glass infuser (12), pan (13), filter lid (14), wherein, filter joint (11) is for being provided with the rubber mass stopper of the truncated cone of through hole along central axis; Glass infuser (12) is provided with the thin-walled quartz glass tube of liquid level scale indication for tube wall; Pan (13) has the conical stainless steel funnel of cylindrical fistulae for the below; The fistulae cylinder of pan (13) is provided with external screw thread, and the upper edge hole of the conical funnel of pan (13) is provided with vertical minor face frame; The frame of pan (13) and circular cone inner face junction are provided with the mesh grate of stainless steel, be installed with the adjusting knob (131) of disk shape nut on the external screw thread of the described fistulae outer wall of pan (13), that climbs button described filter lid (14) when being used to assemble buckles (141) purposes; Filter lid (14) is the lid of the stainless steel of the rolling cover (142) that is provided with a rotatable folding on the bead hoop cover (143) of annular; Be fixed with buckle (141) of the shaped as frame that is bent into by stainless steel wire below the bead hoop cover (143) of filter lid (14), two ends of described buckling (141) are symmetrically welded on the excircle of bead hoop cover (143) up;
Pan (13) is following, filter lid (14) is last, glass infuser (12) in middle clamping, by the buckling of filter lid (14) (141) cross over glass infusers (12) climb the adjusting knob (131) that is buckled in pan (13) below, rotation adjusting knob (131) tension downwards buckles (141), glass infuser (12) is fixed to clamp between pan (13) and filter lid (14), and equal liner has the sealing ring sealing between pan (13), filter lid (14) and the glass infuser (12); The stub end of the circular cone stage body of filter joint (11) up, the lower end of pan (13) fistulae from top to bottom screws in the little head end of central through hole below exposing filter joint (11) of filter joint (11);
Described filter block (2) is the single unit system that is made of filter interface (21), valve (22), discharging tube (23), support (24), handle (25); Discharging tube (23) is end sealing, and the other end is provided with the fluid line of the cylindrical stainless steel of hose coupling (231); Support (24) is the rectangular slab of the stainless steel of vertical storing, is provided with handle handle (25) above the support (24); Two supports (24) plate face is parallel relatively, two ends of the discharging tube (23) that the level that is positioned at is put, two ends of discharging tube (23) pass the plate face center of a support (24) separately, fixed mount is located on the support (24), the described hose coupling (231) of discharging tube (23) is positioned at the outer plate surface of affiliated support (24), the relative one side of two supports (24) is called inner plate surface, and another side then is called outer plate surface; The cylinder uniform arrangement in top of discharging tube (23) is provided with some valves (22), and the upper end of valve (22) is provided with filter joint (11) corresponding matching of described filter (1) and is connected the filter interface (21) of the stainless steel of truncated cone thin-walled cup-shaped;
Described filter frame (3) is for being used for the temporary transient upright plastics mounting of putting described filter (1), the outside of filter frame (3) is up-small and down-big truncated cone, the center, upper end of filter frame (3) is provided with the groove with filter joint (11) truncated cone that cooperate, up big and down small of described filter (1), and described groove bottom land center is provided with circular port and communicates with the lower end of filter frame (3);
Described air cleaner (4) is provided with barrel nut through hole, plastics matter with a joint center and is connected for being provided with cylindrical screw through hole, plastics matter by a joint center, and middle inner chamber clamps the air filter of filter core; Two ends of air cleaner (4) are provided with the connector of protrusion, and the connector of two ends is ventilated mutually through described filter core; On the connector of air cleaner (4) one ends syringe needle is housed;
Described closing membrane (5) is circular silica gel thin slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211406U CN202070211U (en) | 2011-04-13 | 2011-04-13 | Sealing/opening dual-purpose sterility test thin film filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211406U CN202070211U (en) | 2011-04-13 | 2011-04-13 | Sealing/opening dual-purpose sterility test thin film filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202070211U true CN202070211U (en) | 2011-12-14 |
Family
ID=45108327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201211406U Expired - Lifetime CN202070211U (en) | 2011-04-13 | 2011-04-13 | Sealing/opening dual-purpose sterility test thin film filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202070211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670916A (en) * | 2014-11-20 | 2016-06-15 | 华仁药业股份有限公司 | Fully closed membrane filter for sterile examination of sterile packaging interlayer and detection method of fully closed membrane filter |
| CN108579155A (en) * | 2018-07-06 | 2018-09-28 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for the dyeing of two worms |
-
2011
- 2011-04-13 CN CN2011201211406U patent/CN202070211U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670916A (en) * | 2014-11-20 | 2016-06-15 | 华仁药业股份有限公司 | Fully closed membrane filter for sterile examination of sterile packaging interlayer and detection method of fully closed membrane filter |
| CN108579155A (en) * | 2018-07-06 | 2018-09-28 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for the dyeing of two worms |
| CN108579155B (en) * | 2018-07-06 | 2024-04-23 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for dyeing two insects |
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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: 20111214 |