CN219470040U - Membrane frame is got to microorganism limit verifying attachment filter membrane - Google Patents
Membrane frame is got to microorganism limit verifying attachment filter membrane Download PDFInfo
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- CN219470040U CN219470040U CN202320711116.0U CN202320711116U CN219470040U CN 219470040 U CN219470040 U CN 219470040U CN 202320711116 U CN202320711116 U CN 202320711116U CN 219470040 U CN219470040 U CN 219470040U
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- filter
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- filter membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to a membrane taking frame for a filter membrane of a microorganism limit inspection device. At present, when the filter membrane is clamped by forceps, the filter membrane is punctured by the tips of the forceps, so that the deviation of the bacteria number, the mould number, the yeast number and the like of a microorganism inspection project is caused. A kind of microorganism limit checkout gear filter membrane gets the membrane frame, its composition includes: the device comprises a test pump box (1) and a filter head (2), wherein the filter head is arranged at the top of the test pump box, a membrane taking frame (3) is arranged at the top of the filter head, the membrane taking frame consists of a support frame (3-1) and a filter plate (3-2), and the inner annular wall of the support frame is integrally connected with the filter plate; the annular surface of the support frame is provided with a notch structure A (3-3), the frame body of the filter plate is provided with a notch structure B (3-4) with a rectangular structure, the widths of the notch structure A and the notch structure B are the same, and the notch structure A and the notch structure B are in the same direction. The utility model is applied to the field of microorganism detection.
Description
Technical Field
The utility model relates to the field of microorganism detection, in particular to a membrane taking frame of a filter membrane of a microorganism limit inspection device.
Background
The microorganism limit inspection device mainly intercepts microorganisms in a sample on a filter membrane, takes out the filter membrane by a membrane taking device, transfers the filter membrane to a prepared solid culture medium, horizontally sticks the bacteria face upwards, covers the bacteria face to form a closed culture box, and cultures and counts the bacteria in a corresponding constant temperature incubator. When the microbial limit inspection is carried out, the filter head is firstly installed, the filter head is fixed above the instrument tube in a screwing mode, the filter head is sterilized by a flame spray gun, the filter membrane is taken out, the filter membrane is stuck above the filter head by tweezers, the bottom of the filter cup is sleeved on the filter head, the test solution is taken out, the bottle mouth of the test solution is disinfected, the disinfected test solution is poured into the filter cup, the power switch is turned on, the point setting interface can set the required filtering time, the operation page is entered, the suction filtration key is started, the suction filtration can be automatically stopped when the set operation time machine is reached, the filter cup is taken down, the filter membrane is taken out by tweezers, the filter membrane is placed on a culture dish, the mark is made, and the culture dish is inverted. During the operation, the filter membrane is taken down from the filter head by clamping the edge of the filter membrane through the tweezers, and as the filter membrane is soaked after being contacted with the test solution, the adsorption force is formed between the filter membrane and the annular surface of the top of the filter head, so that the filter membrane can be clamped after the tweezers are inserted into the bottom of the filter membrane for a plurality of times when the filter membrane is clamped through the tweezers, the filter membrane is punctured by the tips of the tweezers frequently in the process, and the bacteria number, the mould number, the saccharomycete number and the like of a microorganism inspection project are deviated.
Disclosure of Invention
The utility model aims to provide a membrane taking frame for a filter membrane of a microorganism limit inspection device.
The above object is achieved by the following technical scheme:
a kind of microorganism limit checkout gear filter membrane gets the membrane frame, its composition includes: the device comprises an inspection pump box and a filter head, wherein the filter head is arranged at the top of the inspection pump box, a film taking frame is arranged at the top of the filter head, the film taking frame consists of a support frame and a filter plate, the inner annular wall of the support frame is integrally connected with the filter plate, and the filter plate is arranged at the position, close to the top one third, of the support frame;
the annular surface of the support frame on set up opening structure A, the support body of filter plate on set up rectangular structure's opening structure B, opening structure A with opening structure B's width the same, and opening structure A and opening structure B's same direction.
The diameter of the support frame is the same as that of the filter head shell.
The filter membrane taking frame of the microorganism limit inspection device is characterized in that a group of liquid leakage holes are formed in the surface of the filter plate.
The filter membrane taking frame of the microorganism limit inspection device is characterized in that a filter membrane is placed at the top of the filter plate.
The beneficial effects achieved by the utility model are as follows:
1. when the filter membrane is clamped by the tweezers, the tweezers are not required to be inserted into the bottom of the filter membrane, and the filter membrane can be directly taken down from the filter head as long as the tweezers pass through the opening structure A of the support frame at the position of the filter membrane taking frame and then are inserted into the opening structure B on the filter plate, so that the filter membrane is not damaged and punctured, the integrity of the filter membrane is ensured, and the deviation of the bacterial count, the mould count, the yeast count and the like of microorganism inspection projects is avoided.
2. When the utility model is used for detecting the limit of microorganisms, a filter membrane taking frame is arranged at the top of a filter head, a filter membrane is arranged above the filter membrane taking frame, the bottom of a filter cup is buckled on the filter head, a test solution is poured into the filter cup, the test solution flows into the filter head through a drain hole on a filter plate by the filter membrane, is discharged from a drain pipe of a microorganism limit detecting device, after the filter cup is taken down, tweezers are firstly inserted into a notch structure A of a support frame of the filter membrane taking frame, and then the tweezers are inserted into a notch structure B on the filter plate, and the filter membrane is taken down from the filter plate.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the mounting structure of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4;
in the figure: 1. the inspection pump box 2, the filter head 3, get the membrane frame, 4, filter membrane, 5, filter bowl, 6, fluid-discharge tube, 3-1, support frame, 3-2, filter plate, 3-3, opening structure A,3-4, opening structure B,3-5, weeping hole.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Example 1:
a kind of microorganism limit checkout gear filter membrane gets the membrane frame, its composition includes: the device comprises an inspection pump box 1 and a filter head 2, wherein the filter head is arranged at the top of the inspection pump box, a membrane taking frame 3 is arranged at the top of the filter head, the membrane taking frame consists of a support frame 3-1 and a filter plate 3-2, the inner annular wall of the support frame is integrally connected with the filter plate, and the filter plate is arranged at one third position of the support frame close to the top; the membrane taking frame is arranged at the top of the filter head, wherein the outer ring surface of the filter plate is integrally and fixedly connected with the inner ring surface of the support plate frame; the diameter of the filter plate is slightly larger than that of the filter membrane, so that the filter membrane can be placed above the filter plate;
the annular surface of the support frame is provided with a notch structure A3-3, the frame body of the filter plate is provided with a notch structure B3-4 with a rectangular structure, the width of the notch structure A is the same as that of the notch structure B, and the notch structure A and the notch structure B are in the same direction.
The opening structure A on the support frame is an open structure, and longitudinally penetrates through the frame body of the support frame;
when the filter membrane is placed on the filter plate, the filter membrane covered on the opening structure B is in a vacated state, and when the filter membrane is clamped, forceps can be inserted into the opening structure A at the supporting position first and then inserted into the opening structure B, and at the moment, the edge position of the filter membrane is positioned between two clamping plates of the forceps.
The diameter of the support frame is the same as that of the filter head shell. The whole membrane taking frame of the filter membrane adopts a stainless steel metal structure.
Example 2:
the filter membrane taking frame of the microorganism limit inspection device is characterized in that a group of liquid leakage holes 3-5 are formed in the surface of the filter plate.
A group of liquid leakage holes are uniformly formed in the plate surface of the filter plate, a filter membrane 4 is arranged at the top of the filter plate, and when the test liquid passes through the filter membrane, the test liquid enters the filter head from the liquid leakage holes in the filter plate; wherein the filter plate plays a supporting role on the filter membrane, prevents that the test solution from causing impact on the filter membrane when pouring the test solution into, thereby avoid making the filter membrane take place deformation. The method comprises the steps of firstly installing a filter head in the microbial limit test, fixing the filter head above an instrument tube in a screwing mode, sterilizing the filter head by using a flame spray gun, taking out a filter membrane, sticking the filter membrane above the filter head by using tweezers, sleeving the bottom of a filter cup on the filter head, taking out test liquid, sterilizing a bottle mouth of the test liquid, pouring the sterilized test liquid into the filter cup, turning on a power switch, setting an interface at a point, setting the required filtering time, entering an operation page, starting a suction filtration key, automatically stopping suction filtration when the set operation time is reached, taking down the filter cup, taking out the filter membrane by using tweezers, placing the filter membrane on a culture dish, making a mark, and inverting the culture dish. During the operation, the filter membrane is taken down from the filter head by clamping the edge of the filter membrane through the tweezers, and as the filter membrane is soaked after being contacted with the test solution, the adsorption force is formed between the filter membrane and the annular surface of the top of the filter head, so that the filter membrane can be clamped by inserting the tweezers into the bottom of the filter membrane for a plurality of times when the filter membrane is clamped through the tweezers, the filter membrane is punctured by the tips of the tweezers frequently in the process, and the deviation of the bacterial count, the mould count, the saccharomycete count and the like of a microorganism inspection project is caused.
Example 3:
when the microbial limit inspection is carried out, the filter head is firstly installed, the filter head is fixed above the instrument tube in a screwing mode, then the filter membrane taking frame is placed above the filter head, the filter head and the filter membrane taking frame are sterilized by the flame spray gun, the filter membrane is taken out, the filter membrane is placed on a filter plate on the filter membrane taking frame by using tweezers, then the bottom of a filter cup is sleeved on the filter head, the test liquid is taken out, a bottle mouth of the test liquid is disinfected, the disinfected test liquid is poured into the filter cup, a power switch is turned on, an interface is set, the required time for filtering can be set, an operation page is entered, a suction filtration key is started, a machine can automatically stop suction filtration when the set operation time is reached, the filter cup is taken down, two clamping plates of tweezers penetrate through an opening structure A of a support frame, then the two clamping plates of the tweezers stretch into an opening structure B of the filter plate, at the moment, the two clamping plates of the tweezers are positioned between the filter membrane, and the edges of the tips of the filter membrane are clamped by the clamping plates, and the filter membrane is taken down from the filter head.
Claims (4)
1. A kind of microorganism limit checkout gear filter membrane gets the membrane frame, its composition includes: inspection pump case and filter head, the top of inspection pump case install the filter head, characterized by: the top of the filter head is provided with a membrane taking frame, the membrane taking frame consists of a support frame and a filter plate, the inner annular wall of the support frame is integrally connected with the filter plate, and the filter plate is arranged at the position, close to the top third, of the support frame;
the annular surface of the support frame on set up opening structure A, the support body of filter plate on set up rectangular structure's opening structure B, opening structure A with opening structure B's width the same, and opening structure A and opening structure B's same direction.
2. The microbial limit inspection apparatus filter membrane taking frame according to claim 1, characterized in that: the diameter of the supporting frame is the same as that of the filter head shell.
3. The microbial limit inspection apparatus filter membrane taking frame according to claim 1, characterized in that: a group of liquid leakage holes are formed in the plate surface of the filter plate.
4. A microbiological limit test device filter membrane extraction frame according to claim 3, characterized in that: the top of the filter plate is provided with a filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320711116.0U CN219470040U (en) | 2023-03-27 | 2023-03-27 | Membrane frame is got to microorganism limit verifying attachment filter membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320711116.0U CN219470040U (en) | 2023-03-27 | 2023-03-27 | Membrane frame is got to microorganism limit verifying attachment filter membrane |
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| Publication Number | Publication Date |
|---|---|
| CN219470040U true CN219470040U (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320711116.0U Active CN219470040U (en) | 2023-03-27 | 2023-03-27 | Membrane frame is got to microorganism limit verifying attachment filter membrane |
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| CN (1) | CN219470040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116875441A (en) * | 2023-06-26 | 2023-10-13 | 西宁城市职业技术学院 | Microorganism limit detector |
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2023
- 2023-03-27 CN CN202320711116.0U patent/CN219470040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116875441A (en) * | 2023-06-26 | 2023-10-13 | 西宁城市职业技术学院 | Microorganism limit detector |
| CN116875441B (en) * | 2023-06-26 | 2023-11-28 | 西宁城市职业技术学院 | Microorganism limit detector |
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