CN220736457U - Negative pressure filter for coiled reagent bottles - Google Patents
Negative pressure filter for coiled reagent bottles Download PDFInfo
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- CN220736457U CN220736457U CN202322372459.1U CN202322372459U CN220736457U CN 220736457 U CN220736457 U CN 220736457U CN 202322372459 U CN202322372459 U CN 202322372459U CN 220736457 U CN220736457 U CN 220736457U
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- negative pressure
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- filter
- box
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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 241001411320 Eriogonum inflatum Species 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a negative pressure filter device for a disk-mounted reagent bottle, which is applied to the field of reagent bottle filtration, and comprises a box body and a box cover which is arranged in a separable manner with the box body, wherein a fixed bracket is arranged in the box body, and a negative pressure mechanism is arranged on the side wall of the negative pressure box; the filter flask comprises a first flask body and a flask cover connected with the first flask body, wherein a water outlet is formed in the flask cover along the axial lead direction of the flask cover, a filtering membrane is arranged at the joint of the first flask body and the flask cover, a plurality of filter flasks are inverted and arranged on the flask cover, the collecting flask is arranged in the box body, a negative pressure mechanism is opened, so that filtrate to be filtered in the filter flask flows into the collecting flask through the filtering membrane, a plurality of filter flasks can be used for rapidly completing filtration, and the filtering efficiency of the reagent flask is improved.
Description
Technical Field
The utility model relates to a negative pressure filter device for a disk-mounted reagent bottle, which is applied to the field of reagent bottle filtration.
Background
Filtration refers to forcing a fluid in a liquid-solid or gas-solid mixture through a porous filter medium to retain suspended solid particles therein, thereby effecting separation of the mixture, a unit operation that belongs to the hydrodynamic process. For example, a flow tube rack for batch filtration, with application number CN201921030190.6, the device can filter samples in a plurality of collection flow tubes at a time, simplifying the operation steps, shortening the filtration operation time of a large sample volume, but any of the following drawbacks: the utility model designs a negative pressure filter device for a disk-type reagent bottle, which aims at the problems that the filtering efficiency is too low and the number of test tube bottles which can be filtered at one time is small due to the mode that filtrate flows from a filtering flow pipe to a collecting flow pipe under the action of gravity.
Disclosure of Invention
The utility model provides a negative pressure filter device for a disk-mounted reagent bottle, which can effectively solve the problems.
The utility model is realized in the following way:
a negative pressure filter for a reagent bottle in a tray, comprising:
the negative pressure box comprises a box body and a box cover which is arranged in a separable manner with the box body, a fixed support is arranged in the box body, a plurality of first mounting holes are formed in the fixed support, a second mounting hole which is matched with the first mounting holes is formed in the box cover, and a negative pressure mechanism is arranged on the side wall of the negative pressure box;
the filter bottle comprises a first bottle body and a bottle cap connected with the first bottle body, wherein a water outlet is formed in the bottle cap along the axial line direction of the bottle cap, the diameter of the water outlet is R1, a filter membrane is arranged at the joint of the first bottle body and the bottle cap, the filter bottle is inverted and the bottle cap is arranged in the second mounting hole, and a bottle plug is arranged at one end, far away from the bottle cap, of the first bottle body;
the collecting bottle comprises a second bottle body, the second bottle body is arranged in the first mounting hole, a water inlet is formed in the upper end of the second bottle body, the diameter of the water inlet is R2, R1 is smaller than R2, and the water outlet is contained in the water inlet;
and opening a negative pressure mechanism to enable the liquid to be filtered in the filter bottle to flow into the collecting bottle through the filter membrane.
As a further improvement, the inner side wall of the negative pressure box is provided with a plurality of supporting blocks, the supporting blocks are abutted to and support the placing plate, the edge of the placing plate is provided with a plurality of air holes, the upper end surface of the placing plate is provided with clamping blocks, the edge of the fixing support is provided with a supporting edge, and the supporting edge is in interference clamping with the clamping blocks so as to fix the fixing support.
As a further improvement, a plurality of strip-shaped water discharging grooves and a plurality of annular water discharging grooves with different diameters, which are concentric with the water outlet axial lead, are arranged on the side wall of the joint of the bottle cap and the filtering membrane around the water outlet axial lead in an annular array.
As a further improvement, the bottle stopper comprises an upper stopper body and a lower stopper body, wherein a plurality of arc-shaped inner grooves are formed in the side wall of the lower stopper body, and the lower stopper body is abutted against the side wall of the first bottle body so as to seal the filter bottle.
As a further improvement, the diameter of the lower plug body is R3, and the diameter of the second mounting hole is R4, wherein r3=r4.
As a further improvement, the negative pressure mechanism comprises an air extraction opening arranged on the side wall of the box body and an air pump used for connecting the air extraction opening.
As a further improvement, a sealing ring is arranged on the inner side wall of the second mounting hole.
The beneficial effects of the utility model are as follows:
(1) The negative pressure box comprises a box body and a box cover which is arranged in a separable manner with the box body, a fixed bracket is arranged in the box body, and a negative pressure mechanism is arranged on the side wall of the negative pressure box; the filter flask is inverted and arranged on the box cover, the collecting flask is arranged in the box body, the negative pressure mechanism is opened, so that filtrate to be filtered in the filter flask flows into the collecting flask through the filtering membrane, a plurality of filter flasks can be used for rapidly completing filtration, and the filtration efficiency of the reagent flask is improved.
(2) The bottle lid with filtering membrane junction lateral wall is provided with a plurality of bars down the basin and with a plurality of annular down the basin of different diameters that the concentric setting of delivery port axial lead was gone into to delivery port axial lead annular array, because filtering membrane is thinner, set up the purpose of bar down basin and annular down the basin guarantee bottle lid with filtering membrane junction lateral wall butt filtering membrane, protection filtering membrane is not damaged in the time, improves the liquid circulation rate to improve the filtration efficiency of liquid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram provided in an embodiment of the present utility model.
FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 2.
Fig. 4 is a schematic diagram of an explosion structure according to an embodiment of the present utility model.
Fig. 5 is an exploded view of a filter flask according to an embodiment of the present utility model.
Fig. 6 is a schematic cross-sectional view of a filter flask according to an embodiment of the present utility model.
Fig. 7 is a schematic diagram of a bottle cap of a filter bottle according to an embodiment of the present utility model.
The drawings are identified as follows:
10. a negative pressure tank; 11. a case; 111. a support block; 12. a case cover; 121. a second mounting hole; 122. a seal ring; 13. placing a plate; 131. ventilation holes; 132. a clamping block; 14. a fixed bracket; 141. a support rim; 142. a first mounting hole; 15. a negative pressure mechanism; 151. an extraction opening;
20. a filter flask; 21. a first body; 22. a bottle cap; 221. a water outlet; 222. a strip-shaped water discharging groove; 223. an annular water discharging groove; 23. a filtering membrane; 24. a bottle stopper; 241. an upper plug body; 242. a lower plug body; 243. an arc-shaped inner groove;
30. a collection bottle; 31. a second body; 32. and a water inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-4, a negative pressure filter apparatus for a reagent bottle in a tray, comprising: the negative pressure box 10 comprises a box body 11 and a box cover 12 which is detachably arranged with the box body 11, the box body 11 and the box cover 12 are connected through a buckle which is arranged around the box cover 12, so that the whole box cover 12 is separated from the box body 11, a fixing support 14 is arranged in the box body 11, a plurality of first mounting holes 142 are formed in the fixing support 14, in the embodiment, the number of the first mounting holes 142 is 50, the disposable filtering efficiency is improved, the number of the first mounting holes 142 can be determined by the size of the box body 11, a second mounting hole 121 which is matched with the first mounting holes 142 is formed in the box cover 12, the first mounting holes 142 and the second mounting holes 121 are concentric along the vertical ground direction, so that the contact between the filter bottle 20 and the collecting bottle 30 is realized, and a negative pressure mechanism 15 is arranged on the side wall of the negative pressure box 10; the negative pressure mechanism 15 includes an air suction port 151 disposed on a side wall of the case 11 and an air pump (not shown) for connecting the air suction port 151.
Referring to fig. 5-7, the filter flask 20 includes a first flask body 21 and a flask cap 22 connected to the first flask body 21, in this embodiment, the first flask body 21 is in threaded connection with the flask cap 22, the flask cap 22 is provided with a water outlet 221 along an axial line direction of the first flask body 21, a diameter of the water outlet 221 is R1, a filtering membrane 23 is disposed at a connection position between the first flask body 21 and the flask cap 22, the filter flask 20 is inverted and the flask cap 22 is disposed in the second mounting hole 121, a flask plug 24 is disposed at one end of the first flask body 21 far away from the flask cap 22, and the flask plug 24 is used for guaranteeing tightness of the filter flask.
The collecting bottle 30 comprises a second bottle body 31, the second bottle body 31 is arranged in the first mounting hole 142, a water inlet 32 is formed in the upper end of the second bottle body 31, the diameter of the water inlet 32 is R2, wherein R1 is smaller than R2, and the filtering process is performed in the negative pressure box 10, so that the diameter R1 of the water outlet 221 is smaller than the diameter R2 of the water inlet 32, the liquid in the filtering bottle is ensured to be in a negative pressure space in the negative pressure box 10, and the speed of the liquid passing through the filtering membrane 23 is improved. The water outlet 221 is accommodated in the water inlet 32; the negative pressure mechanism 15 is opened to allow the liquid to be filtered in the filter flask 20 to flow into the collection flask 30 through the filter membrane 23. According to the utility model, the atmospheric pressure in the filter flask 20 is higher than the atmospheric pressure in the collecting flask 30 by the negative pressure, and the negative pressure is in a gas pressure state lower than the normal pressure (namely, one atmospheric pressure), so that the filter flasks 20 can rapidly complete filtration, and the filtration efficiency of the reagent flask is improved.
As a further improvement, the inner side wall of the negative pressure tank 10 is provided with a plurality of support blocks 111, the support blocks 111 are abutted and support the placing plate 13, the edge of the placing plate 13 is provided with a plurality of ventilation holes 131, the upper end surface of the placing plate 13 is provided with a clamping block 132, the edge of the fixed support 14 is provided with a support edge 141, the support edge 141 is in interference clamping with the clamping block 132 so as to fix the fixed support 14, and the purposes of stable installation and convenient taking and placing of the collection bottle 30 are realized through the interference clamping and matching of the support edge on the fixed support 14 with the clamping block 132.
As a further improvement, as shown in fig. 7, a plurality of strip-shaped water discharging grooves 222 and a plurality of annular water discharging grooves 223 with different diameters are arranged on the side wall of the joint of the bottle cap 22 and the filtering membrane 23 around the axial lead of the water outlet 221 in an annular array. Because the thickness of the filtering membrane 23 in this embodiment is 0.01 μm, the filtering membrane 23 is easily torn, so the sidewall of the joint between the bottle cap 22 and the filtering membrane 23 abuts against the filtering membrane 23 to ensure that the filtering membrane 23 is not easily torn, the purpose of the strip-shaped water draining tank 22 and the annular water draining tank 223 is to ensure that the sidewall of the joint between the bottle cap 22 and the filtering membrane 23 abuts against the filtering membrane 23, thereby protecting the filtering membrane from being damaged and improving the liquid circulation speed, and further improving the filtering efficiency of the liquid.
As a further improvement, referring to fig. 6, the bottle stopper 24 includes an upper stopper body 241 and a lower stopper body 242, where a plurality of arc-shaped inner grooves 243 are provided on a sidewall of the lower stopper body 242, and in this embodiment, the number of arc-shaped inner grooves 243 is 4, and the lower stopper body 242 abuts against a sidewall of the first bottle body 21 so as to seal the filter bottle 20. The bottle stopper 24 is in interference fit with the first bottle body 21, and the bottle stopper 24 is convenient to take out under the condition that the tightness can be ensured by arranging the arc-shaped inner groove 243.
As a further improvement, the diameter of the lower plug 242 is R3, the diameter of the second mounting hole 121 is R4, where r3=r4, if the number of the used filter bottles 20 does not satisfy 50, the second mounting hole 121 may be plugged by the bottle plug 24, so as to ensure the negative pressure space in the negative pressure tank 10, thereby achieving the purpose of rapid filtration.
As a further improvement, a sealing ring 122 is disposed on the inner side wall of the second mounting hole 121. The sealing ring 122 can improve the tightness of the negative pressure box 10, ensure the negative pressure space in the negative pressure box 10 and realize the purpose of rapid filtration.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A negative pressure filter device for a disc-packed reagent bottle, comprising:
the negative pressure box (10) comprises a box body (11) and a box cover (12) which is detachably arranged with the box body (11), wherein a fixed bracket (14) is arranged in the box body (11), a plurality of first mounting holes (142) are formed in the fixed bracket (14), a second mounting hole (121) which is matched with the first mounting holes (142) is formed in the box cover (12), and a negative pressure mechanism (15) is arranged on the side wall of the negative pressure box (10);
the filter flask (20) comprises a first flask body (21) and a flask cover (22) connected with the first flask body (21), wherein a water outlet (221) is formed in the flask cover (22) along the axial line direction of the flask cover, the diameter of the water outlet (221) is R1, a filter membrane (23) is arranged at the joint of the first flask body (21) and the flask cover (22), the filter flask (20) is inverted and the flask cover (22) is arranged in the second mounting hole (121), and a flask stopper (24) is arranged at one end of the first flask body (21) far away from the flask cover (22);
the collecting bottle (30) comprises a second bottle body (31), wherein the second bottle body (31) is arranged in the first mounting hole (142), a water inlet (32) is formed in the upper end of the second bottle body (31), the diameter of the water inlet (32) is R2, R1 is smaller than R2, and the water outlet (221) is contained in the water inlet (32);
and opening the negative pressure mechanism (15) to enable the liquid to be filtered in the filter bottle (20) to flow into the collecting bottle (30) through the filter membrane (23).
2. The negative pressure filtering device for the disc-shaped reagent bottles, as claimed in claim 1, wherein a plurality of supporting blocks (111) are arranged on the inner side wall of the negative pressure box (10), the supporting blocks (111) are abutted to and support the placing plate (13), a plurality of air holes (131) are formed in the edge of the placing plate (13), clamping blocks (132) are arranged on the upper end surface of the placing plate (13), supporting edges (141) are arranged on the edge of the fixing support (14), and the supporting edges (141) are in interference clamping against the clamping blocks (132) so as to fix the fixing support (14).
3. The negative pressure filtering device for the reagent bottle in a disc form according to claim 1, wherein a plurality of strip-shaped water discharging grooves (222) and a plurality of annular water discharging grooves (223) with different diameters are arranged on the side wall of the connecting part of the bottle cap (22) and the filtering membrane (23) in an annular array around the axial lead of the water outlet (221) in a concentric manner.
4. The negative pressure filter device for reagent bottles in trays according to claim 1, wherein the bottle stopper (24) comprises an upper stopper body (241) and a lower stopper body (242), a plurality of arc-shaped inner grooves (243) are formed in the side wall of the lower stopper body (242), and the lower stopper body (242) abuts against the side wall of the first bottle body (21) so as to seal the filter bottle (20).
5. The negative pressure filter device for a reagent bottle in a disc pack according to claim 4, wherein the diameter of the lower plug body (242) is R3, and the diameter of the second mounting hole (121) is R4, wherein r3=r4.
6. The negative pressure filter device for the reagent bottle in a disc package according to claim 1, wherein the negative pressure mechanism (15) comprises an air extraction opening (151) arranged on the side wall of the box body (11) and an air pump for connecting the air extraction opening (151).
7. The negative pressure filter device for the reagent bottle in a disc package according to claim 1, wherein a sealing ring (122) is arranged on the inner side wall of the second mounting hole (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322372459.1U CN220736457U (en) | 2023-08-31 | 2023-08-31 | Negative pressure filter for coiled reagent bottles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322372459.1U CN220736457U (en) | 2023-08-31 | 2023-08-31 | Negative pressure filter for coiled reagent bottles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220736457U true CN220736457U (en) | 2024-04-09 |
Family
ID=90551516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322372459.1U Active CN220736457U (en) | 2023-08-31 | 2023-08-31 | Negative pressure filter for coiled reagent bottles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220736457U (en) |
-
2023
- 2023-08-31 CN CN202322372459.1U patent/CN220736457U/en active Active
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