CN110292799B - Filter flask structure capable of preventing damage and cut based on chemical test - Google Patents
Filter flask structure capable of preventing damage and cut based on chemical test Download PDFInfo
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- CN110292799B CN110292799B CN201910655595.7A CN201910655595A CN110292799B CN 110292799 B CN110292799 B CN 110292799B CN 201910655595 A CN201910655595 A CN 201910655595A CN 110292799 B CN110292799 B CN 110292799B
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- suction filtration
- bucket
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- 238000007705 chemical test Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 56
- 238000000967 suction filtration Methods 0.000 claims abstract description 48
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 7
- 239000003814 drug Substances 0.000 abstract description 11
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 239000013043 chemical agent Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a chemical test-based breakage and cutting prevention filter flask structure, which comprises a filter funnel, a filter funnel protective ring, a second handle, a pull rope, a bag pressing cover, a bag pressing cavity, a through hole, a blocking seat, a rubber ring, a retaining ring, a filter cavity and a fine filter hole, wherein the filter funnel is arranged in the filter funnel protective ring; the bottom bottle is connected with an external extraction pump through an extraction pump connecting pipe penetrated through one side of the bottom bottle, and a suction filter bucket with a conical leakage cavity structure is inserted into a suction filter bucket sleeve mouth at the top of the bottom bottle; the pressure bag cover is of a hollow cavity structure, the bottom of the pressure bag cover is connected with a pressure bag cavity of a cylindrical corrugated cavity, an air bag seat pressing air is formed by the pressure bag cover and the pressure bag cavity, the mode of hand air outlet is adopted, the residual material slag in the suction filtration cavity used for filtering the medicament at the bottom of the suction filtration bucket inner cavity is discharged outwards after suction filtration, waste is reduced, and meanwhile, the suction filtration cavity in the bottom cavity of the suction filtration bucket inner cavity is cleaned cleanly, so that the function structure is improved.
Description
Technical Field
The invention belongs to the technical field of laboratory tools, and particularly relates to a chemical test-based breakage and cut prevention filter flask structure.
Background
In the course of experiments in the fields of chemistry, biology, medicine, etc., it is often necessary to subject liquids to filtration operations in order to obtain highly pure solutions or solids. Vacuum filtration is a common solid-liquid separation method, which utilizes negative pressure caused by air extraction to accelerate water filtration, and generally refers to an operation of passing a solution through a filter medium and intercepting solid particles and other substances under the action of external forces such as driving force and the like.
Chinese patent application No. CN201720802335.4 relates to and discloses a suction flask and a vacuum suction filtration device. The abstract of the specification is basically described as follows: the filter flask comprises a filter flask body and a bracket; the bottom of the filter flask body is provided with an opening, the opening is provided with a valve, and the valve is used for controlling the opening and closing of the opening; the support is used for placing the filter flask body for the bottom position of filter flask body is higher than the position of placing the plane of filter flask.
The matched top suction hopper of the suction bottle with the structure is applied in the chemical experiment process, when solid-liquid mixture poured into the top suction hopper is downwards extracted through air pressure, the suction hopper and the top opening insertion position of the suction bottle are easy to form negative pressure suction, the suction hopper after the experiment is finished and the top opening position of the suction bottle inserted with the suction hopper are led to form strong pressure suction, the suction hopper is not easy to separate, the glass structure of two bottle openings is broken due to too strong force, potential safety hazards exist, and a suction filtering cavity for filtering inside the suction hopper is formed by a filtering hole, so that a large amount of reagent residues after suction filtering can be remained in the filtering hole, the reagent residues are not easy to be discharged outwards during collection, and therefore, in the chemical experiment process of the former, after a suction filtering project is finished, a chemical teacher can remind students of safety for many times.
In view of the above, the present invention provides a filtration flask structure for preventing damage and cutting based on chemical test, which is improved based on the existing structure and defects, so as to achieve the purpose of more practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a breakage and cut preventing filter flask structure based on a chemical test, which aims to solve the problems that in the chemical test process of the existing filter flask matched with a top filter hopper with the structure, when a solid-liquid mixture poured into the top filter hopper is extracted downwards through air pressure, the filter hopper and the top opening of the filter flask are easy to form negative pressure suction at the insertion position, the filter hopper after the experiment is finished and the top opening of the filter flask inserted with the filter hopper form strong pressure suction at the insertion position, the separation is difficult, the glass structures of two bottle openings are broken due to strong force, potential safety hazards exist, and a suction filtration cavity for filtration in the filter hopper is formed by filtration holes, so a large amount of reagent residues after suction filtration can be remained in the filtration holes, and the reagent residues are not easy to be discharged outwards during collection.
The invention discloses a chemical test-based purpose and effect of a breakage and cut preventing suction flask structure, which are achieved by the following specific technical means:
the suction filtration bottle structure capable of preventing damage and cutting based on chemical tests comprises a bottom bottle, a suction pump connecting pipe, a suction filtration bucket sleeve nozzle, a sleeve nozzle protective ring, a first handle, a suction filtration bucket, a filter bucket protective ring, a second handle, a pull rope, a bag pressing cover, a bag pressing cavity, a perforation, a baffle seat, a rubber ring, a retaining ring, a suction filtration cavity and a fine filtration hole; the bottom bottle is connected with an external extraction pump through an extraction pump connecting pipe penetrated through one side of the bottom bottle, and a suction filter bucket with a conical leakage cavity structure is inserted into a suction filter bucket sleeve mouth at the top of the bottom bottle; the air bag pressing cover is of a hollow cavity structure, and the bottom of the air bag pressing cover is connected with a cylindrical corrugated cavity-shaped air bag pressing cavity, so that an air bag seat for pressing air is formed by the air bag pressing cover and the air bag pressing cavity, and the bottom surface of the air bag pressing cavity is provided with dense air holes; the top surface of the capsule pressing cover is also connected with a pull rope in a gluing and fusion welding connection mode, and one end of the pull rope is connected with a rubber blocking seat with a cylindrical structure in a binding connection mode.
Further: the suction filtration bucket cover mouth outer wall of bottom bottle top section is equipped with the cover mouth retaining ring of transparent plastic material through gluing the mode cover, and is equipped with the first handle of round on the outer wall of cover mouth retaining ring.
Further: the outer wall of the suction filter hopper is also sleeved with a filter hopper guard ring by the same method, and the outer wall of the filter hopper guard ring is also provided with a circle of second handles.
Further: a through hole is further formed in one handle piece of the second handle, and the pull rope with the stop seat at the end head is connected in the through hole in a penetrating mode.
Further: the suction filtration cavity which is mounted at the position of the mouth-closing leakage opening of the suction filtration hopper in a gluing mode is of a circular cavity seat structure and is provided with dense hemp filtration holes.
Further: the diameter size of the bag pressing cavity is matched with the size of the hole leaking cavity at the bottom end of the suction filtration hopper, and a circle of rubber ring in a horn mouth shape is arranged on the bottom surface of the bag pressing cavity.
Further: the bottom surface of the bag pressing cover of the bag pressing cavity top end integrated structure is also provided with a circle of retaining ring of an annular groove structure, and the size of the retaining ring is matched with the diameter of the bottom port of the suction filter hopper.
Further: the top of the circular cavity seat peripheral annular plate of the suction filtration cavity is of an inner chamfer structure.
Compared with the prior art, the invention has the following beneficial effects:
the beneficial effects are that the safety performance and the functional characteristics are improved, and the method specifically comprises the following steps:
safety performance: through this design configuration improvement, the plastic ring of handle structure has all been installed on the outer wall of the top side position department in the grafting department glass structure region of the top filter funnel that makes suction filter device and bottom suction filtration end bottle, can improve the intensity of these two grafting structures, be difficult for breaking, when the suction filter fill upwards extracts from end bottle bottleneck, the handle spare of holding the plastic ring improves anti-skidding effect, equally more laborsaving upwards extracts the suction filter fill from end bottle, if the operation is improper, even the bottleneck butt joint takes place to break, also can not stab the palm, consequently, improved on the security performance.
Functional characteristics: the mode that connects through hanging the rope in the device outside has drawn one set of gasbag seat, and the suction filtration finishes the back, can detain gasbag seat to the bottom side of top suction filtration fill, adopts the mode that the hand was given vent to anger, makes the suction filtration after the suction filtration fill inner chamber bottom be used for filtering the incomplete dregs of material of medicament in the suction filtration intracavity outwards discharge, reduces extravagantly, carries out clean clearance to the suction filtration chamber in the suction filtration fill inner chamber bottom chamber simultaneously, consequently has obtained the improvement in functional structure.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of the structure of the bottom-only bottle of the present invention.
Fig. 4 is a schematic diagram of the structure of the suction filter bucket only at the top part of the invention.
Fig. 5 is a schematic sectional structure drawing from fig. 1.
Fig. 6 is an enlarged schematic view of the part a of the present invention drawn from fig. 5.
Fig. 7, fig. 8 and fig. 9 are schematic views showing the structure of the airbag assembly formed by the airbag cover and the airbag cavity according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a bottom bottle; 2. a pump take-over; 3. sleeving a mouth of the suction filter hopper; 4. a nozzle protecting ring; 5. a first handle; 6. a suction filter hopper; 7. a filter hopper guard ring; 8. a second handle; 9. pulling a rope; 10. pressing a capsule cover; 11. pressing a sac cavity; 12. perforating; 13. a blocking seat; 14. a rubber ring; 15. a retaining ring; 16. a suction filtration cavity; 17. and (5) fine filtering holes.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a chemical test-based breakage and cutting prevention filter flask structure, which comprises a bottom flask 1, a suction pump connecting pipe 2, a suction filter bucket sleeve mouth 3, a sleeve mouth protective ring 4, a first handle 5, a suction filter bucket 6, a filter bucket protective ring 7, a second handle 8, a pull rope 9, a bag pressing cover 10, a bag pressing cavity 11, a through hole 12, a baffle seat 13, a rubber ring 14, a retaining ring 15, a suction filter cavity 16 and a fine filter hole 17; the bottom bottle 1 is connected with an external extraction pump through an extraction pump connecting pipe 2 penetrated through one side of the bottom bottle 1, and a suction filtration bucket 6 with a conical leakage cavity structure is inserted into a suction filtration bucket sleeve mouth 3 at the top of the bottom bottle 1; the pressing bag cover 10 is of a hollow cavity structure, the bottom of the pressing bag cover is connected with a pressing bag cavity 11 in a cylindrical corrugated cavity shape, therefore, the pressing bag cover 10 and the pressing bag cavity 11 form an air bag seat for pressing air, and the bottom surface of the pressing bag cavity 11 is provided with dense air holes; the top surface of the capsule pressing cover 10 is also connected with a pull rope 9 in a gluing and welding connection mode, and one end of the pull rope 9 is connected with a rubber stopper 13 with a cylindrical structure in a binding mode.
Wherein: as shown in fig. 1 to 3, a mouth protecting ring 4 made of transparent plastic is sleeved on the outer wall of a mouth sleeve 3 of the suction filtration bucket at the top section of the bottom bottle 1 in a glue mode, and a circle of first handle 5 is arranged on the outer wall of the mouth protecting ring 4.
Wherein: as shown in fig. 1 to 3, a filter bucket protective ring 7 is also sleeved on the outer wall of the filter bucket 6 by the same method, and a circle of second handle 8 is also arranged on the outer wall of the filter bucket protective ring 7, as can be seen from the above two aspects, after the tip leak area at the bottom end of the filter bucket 6 is inserted into the top feed inlet of the bottom bottle 1 for use, if the filter bucket 6 is further upwards drawn out from the top opening of the bottom bottle 1 upwards, the hand is grabbed on the first handle 5 or the second handle 8 for safe operation, and even if the filter bucket 6 is broken when being separated from the top opening of the bottom bottle 1, the plastic protective ring structures on the outer walls are also used for protection, so that the safe operation is improved.
Wherein: as shown in figure 7, a through hole 12 is further formed in one handle piece of the second handle 8, the pull rope 9 with a stop seat 13 at the end is connected in the through hole 12 in a penetrating mode, a functional structure is added on the second handle 8 with the through hole 12, and the stop seat 13 with the limiting function at the end is connected in the penetrating mode to pull the pull rope 9.
Wherein: as shown in fig. 5 and 6, the suction filtration chamber 16 glued and installed at the position of the outlet of the suction filtration hopper 6 is a circular chamber seat structure and has dense and numb filtration holes, the filtration holes are substantially the filtration chambers filled with the liquid medicine inside the suction filtration chamber 16, and the circular chamber seat structure increases the filtration area and has a more reasonable structure.
Wherein: as shown in figures 7 and 9, the diameter of the bag pressing cavity 11 is matched with the size of the bottom leakage cavity of the suction filtration hopper 6, a ring of rubber rings 14 in a bell mouth shape is arranged on the bottom surface of the bag pressing cavity 11, and the bag pressing cavity 11 and the bag pressing cover 10 form a pressing type air blowing bag which is hung and pulled on one side of the device through a pull rope 9 to form a functional accessory.
Wherein: as shown in fig. 7 and 8, a circle of retaining ring 15 with an annular groove structure is further disposed on the bottom surface of the bag pressing cover 10 with the integrated structure at the top end of the bag pressing cavity 11, and the size of the retaining ring 15 is matched with the diameter of the bottom port of the suction filtration bucket 6, so that it can be seen that the air bag member formed by the bag pressing cavity 11 and the bag pressing cover 10 can be reversely buckled on the bottom port of the suction filtration bucket 6 for use, the bag pressing cavity 11 blows air into the suction filtration bucket 6 through the air hole by pressing the bag pressing cover 10, and the air blows into the suction filtration cavity 16 glued and installed in the inner cavity of the suction filtration bucket 6 at the same time.
Wherein: as shown in fig. 1 and fig. 6, the top of the circular base peripheral annular plate of the suction filtration chamber 16 is of an inner chamfer structure, a chemical agent is injected into the top of the suction filtration hopper 6 in fig. 1 downwards, the chemical agent is introduced into the suction filtration chamber 16 through the suction filtration chamber 16 with the chamfer structure, liquid medicine of solid particles expected to be obtained in the chemical agent is separated into the suction filtration chamber 16, and the liquid medicine is downwards pumped out in a negative pressure mode through the suction pump connected to the suction pump connecting pipe 2 at the bottom through the very fine filtration hole 17.
The specific use mode and function of the embodiment are as follows:
as shown in figure 1, when in use, an external suction pump is connected to a suction pump connecting pipe 2 through a pipeline, a chemical agent is injected into a hopper cavity from the top of a suction filter hopper 6 in figure 1 downwards, the chemical agent can be introduced into the suction filter cavity 16 through a suction filter cavity 16 with a chamfer structure, liquid medicine of solid particles expected to be obtained in the chemical agent is separated into the suction filter cavity 16, in the process of extracting liquid medicine through downward negative pressure, the solid or granular chemical agent expected to be obtained staying in the suction filter cavity 16 can finally block fine filter holes 17 formed in the suction filter cavity 16, so that strong negative pressure gas is contained in a bottom bottle 1, the body of the suction filter hopper 6 inserted on a suction filter hopper sleeve nozzle 3 at the top of the bottom bottle 1 in a short time after an experiment is finished is not easy to be pulled out of the bottom bottle 1, and the bottom bottle can be broken by using two-structure glass due to excessive force, and the structure is respectively provided with a nozzle ring 4 and a filter hopper protective ring 7 at the bottom openings of the bottom bottle 1 and the suction filter hopper 6, and the upper surfaces of the bottom bottle and the The first handle 5 and the second handle 8 are respectively arranged, so that the bottom bottle 1 and the suction filter hopper 6 are pulled and separated to play roles of safety protection and auxiliary pulling force. After the experiment is finished, the taken-down suction filter 6 is reversely buckled to enable the solid granular medicament which is expected to be filtered in the suction filter cavity 16 to flow outwards and be collected, however, the medicament which is difficult to naturally flow outwards is left in the filter holes 17 of the suction filter cavity 16, so that an air bag component which is formed by the pressure bag cavity 11 and the pressure bag cover 10 can be applied and reversely buckled on the bottom end opening of the suction filter 6 for use, the pressure bag cavity 11 blows air into the suction filter 6 through the air holes by utilizing the mode of pressing the pressure bag cover 10, the air is simultaneously blown into the suction filter cavity 16 which is glued and installed in the inner cavity of the suction filter 6, and the medicament materials clamped in the filter holes 17 in the suction filter cavity 16 are blown outwards and collected, and waste is reduced.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The anti-damage and anti-cutting suction flask structure based on the chemical test comprises a bottom flask (1), a suction pump connecting pipe (2), a suction filtration bucket sleeve nozzle (3), a sleeve nozzle retaining ring (4), a first handle (5), a suction filtration bucket (6), a filter bucket retaining ring (7), a second handle (8), a pull rope (9), a bag pressing cover (10), a bag pressing cavity (11), a perforation (12), a baffle seat (13), a rubber ring (14), a retaining ring (15), a suction filtration cavity (16) and a fine filtration hole (17); the bottom bottle (1) is connected with an external extraction pump through an extraction pump connecting pipe (2) penetrated through one side of the bottom bottle, and a suction filter bucket (6) with a conical leakage cavity structure is inserted in a suction filter bucket sleeve nozzle (3) at the top of the bottom bottle (1); the method is characterized in that: the air bag pressing cover (10) is of a hollow cavity structure, the bottom of the air bag pressing cover is connected with a cylindrical corrugated cavity-shaped air bag pressing cavity (11), an air bag seat for pressing air is formed by the air bag pressing cover (10) and the air bag pressing cavity (11), and the bottom surface of the air bag pressing cavity (11) is provided with dense air holes; the top surface of the capsule pressing cover (10) is also connected with a pull rope (9) in a gluing and welding connection mode, and one end of the pull rope (9) is connected with a rubber blocking seat (13) with a cylindrical structure in a binding connection mode.
2. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: the outer wall of the suction filter bucket sleeve mouth (3) at the top section of the bottom bottle (1) is sleeved with a sleeve mouth protective ring (4) made of transparent plastic materials in a glue mode, and the outer wall of the sleeve mouth protective ring (4) is provided with a circle of first handles (5).
3. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: the outer wall of the suction filter bucket (6) is also sleeved with a filter bucket protective ring (7) by the same method, and a circle of second handle (8) is arranged on the outer wall of the filter bucket protective ring (7) in the same way.
4. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: a through hole (12) is also arranged on one handle piece in the second handle (8), and a pull rope (9) with a stop seat (13) at the end head is connected in the through hole (12) in a penetrating way.
5. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: the filtration cavity (16) which is glued and installed at the position of the mouth-closing type leakage opening of the filtration hopper (6) is of a circular cavity seat structure and is provided with dense hemp filtration holes.
6. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: the diameter size of the bag pressing cavity (11) is matched with the size of a bottom end hole leakage cavity of the suction filtration hopper (6), and a circle of bell-mouth-shaped rubber ring (14) is arranged on the bottom surface of the bag pressing cavity (11).
7. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: the bottom surface of a pressing bag cover (10) of the pressing bag cavity (11) top end integrated structure is also provided with a circle of retaining ring (15) of an annular groove structure, and the size of the retaining ring (15) is matched with the diameter of the bottom end opening of the suction filter hopper (6).
8. The chemical test-based breakage cut resistant buchner flask construction of claim 1, wherein: the top of the circular cavity seat peripheral annular plate of the suction filtration cavity (16) is of an inner chamfer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655595.7A CN110292799B (en) | 2019-07-19 | 2019-07-19 | Filter flask structure capable of preventing damage and cut based on chemical test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655595.7A CN110292799B (en) | 2019-07-19 | 2019-07-19 | Filter flask structure capable of preventing damage and cut based on chemical test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110292799A CN110292799A (en) | 2019-10-01 |
| CN110292799B true CN110292799B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910655595.7A Active CN110292799B (en) | 2019-07-19 | 2019-07-19 | Filter flask structure capable of preventing damage and cut based on chemical test |
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| CN (1) | CN110292799B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1184784A (en) * | 1966-03-07 | 1970-03-18 | Nailsea Engineering Company Lt | Cleaning Particulate Filters |
| FI47531C (en) * | 1970-02-11 | 1974-01-10 | Suomen Puhallintehdas Oy | Device for cleaning a continuously operating hose filter. |
| AU2009282478A1 (en) * | 2008-08-11 | 2010-02-18 | Biorelix,Inc. | Flavin derivatives |
| CN203694708U (en) * | 2014-02-27 | 2014-07-09 | 钱文刚 | Portable pressure reduction filter device |
| CN207628021U (en) * | 2017-11-14 | 2018-07-20 | 天津淼宇科技发展有限公司 | Film making device for laboratory suction filtration |
| CN209005324U (en) * | 2018-07-02 | 2019-06-21 | 成都翌达环境保护检测有限公司 | Vacuum filtration device |
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2019
- 2019-07-19 CN CN201910655595.7A patent/CN110292799B/en active Active
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| CN110292799A (en) | 2019-10-01 |
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