CN116688604A - Cross infection prevention suction filtration equipment for sample detection - Google Patents
Cross infection prevention suction filtration equipment for sample detection Download PDFInfo
- Publication number
- CN116688604A CN116688604A CN202310663927.2A CN202310663927A CN116688604A CN 116688604 A CN116688604 A CN 116688604A CN 202310663927 A CN202310663927 A CN 202310663927A CN 116688604 A CN116688604 A CN 116688604A
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- Prior art keywords
- bottle
- vacuum
- box
- suction filtration
- bottle body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000967 suction filtration Methods 0.000 title claims abstract description 33
- 206010011409 Cross infection Diseases 0.000 title claims abstract description 21
- 206010029803 Nosocomial infection Diseases 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 59
- 238000007789 sealing Methods 0.000 claims description 17
- 241000405070 Percophidae Species 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000012488 sample solution Substances 0.000 description 16
- 238000001914 filtration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- 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
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of suction filtration equipment, in particular to cross infection prevention suction filtration equipment for sample detection, which can simultaneously suction-filter a plurality of samples through a combined sample bottle, and has the advantages of simple operation and high working efficiency; comprises a vacuum pump; still include the vacuum box, go up the box, the upper cover plate, a plurality of slot flap and a plurality of sample bottle, the exhaust tube and the vacuum box intercommunication of vacuum pump, go up box detachable sealed mounting on the vacuum box, the upper cover plate is installed on last box, the upper cover plate is gone up the matrix and is provided with a plurality of notches, a plurality of slot flaps respectively with multirow notch sliding seal cover, a plurality of sample bottles cartridge respectively is in a plurality of notches, the sample bottle includes the bottle, lower bottle and filter core, go up the bottle and be connected with lower bottle can be dismantled, the filter core is installed in the lower part of last bottle, be provided with a plurality of bleeder vents on the lower part outer wall of last bottle, the bleeder vent is located the below of filter core, the bottom cartridge of going up the bottle in the notch, the bleeder vent is located the below of upper cover plate.
Description
Technical Field
The utility model relates to the technical field of suction filtration equipment, in particular to cross infection prevention suction filtration equipment for sample detection.
Background
The suction filtration is an operation of reducing the pressure in the suction filtration bottle by using a suction pump so as to achieve the purpose of solid-liquid separation. At present, the suction filters in the market are various in types, and the core elements of the suction filter are composed of a funnel, a suction filter bottle, a rubber tube, an air pump and filter paper. Compared with a common filtering device, the suction filtration can accelerate the filtration speed and can obtain drier sediment.
The Chinese patent with the patent number of ZL201921647099.9 in the prior art proposes a suction filtration device, which can effectively prevent cross infection among samples by replacing filter paper on a funnel, flushing residual liquid on the funnel or replacing the whole funnel, and placing a new sample bottle on a bottle supporting surface before suction filtration is performed each time. However, when the device is used for replacing a sample, filter paper needs to be replaced frequently, a funnel needs to be cleaned, a sample bottle needs to be replaced, the operation is complex, the time consumption is long, and only one sample can be filtered at a time, so that the work efficiency is not improved.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the cross infection prevention suction filtration equipment for detecting the samples, which can simultaneously suction-filter a plurality of samples, is simple to operate and has high working efficiency.
The utility model relates to cross infection prevention suction filtration equipment for sample detection, which comprises a vacuum pump; the vacuum box is provided with a vacuum chamber and an upper port, the upper port is communicated with the vacuum chamber, an exhaust pipe of a vacuum pump is communicated with the vacuum chamber of the vacuum box, the upper box is detachably and hermetically arranged on the upper port of the vacuum box, the upper cover plate is arranged at the upper part of the upper box, a plurality of slots are arranged in a matrix on the upper cover plate, the slots are arranged in a plurality of rows, each row of slots is provided with a sliding slot, the plurality of slot covers are respectively and slidably inserted into the plurality of sliding slots, the plurality of slot covers respectively and hermetically cover the plurality of rows of slots, the plurality of sample bottles are respectively inserted into the plurality of slots, the sample bottles comprise an upper bottle body, a lower bottle body and a filter element, the lower end of the upper bottle body is detachably connected with the upper end of the lower bottle body, the filter element is arranged at the lower part of the upper bottle body, a plurality of air holes are arranged on the outer wall of the lower part of the upper bottle body, the air holes are positioned below the filter element, and the bottoms of the upper bottle body are inserted into the slots, and the air holes are positioned below the upper cover plate; during operation, constitute the sample bottle with a plurality of last bottle and a plurality of lower bottle, add the sample solution respectively in a plurality of last bottle, the pulling a plurality of slot covers open a plurality of notches on with the upper cover plate, stretch into a plurality of notches respectively with the lower bottle of a plurality of sample bottles to make a plurality of last bottle seal cartridge respectively on the notch, start the vacuum pump, the vacuum pump takes out the vacuum cavity of vacuum box into certain negative pressure, and will take out into certain negative pressure in the lower bottle through the bleeder vent on a plurality of last bottles, make the sample solution in a plurality of last bottles flow into a plurality of lower bottles after the filtration of a plurality of filter cores respectively, realize the suction effect, can filter simultaneously to a plurality of samples, after the suction work is accomplished, close the vacuum pump, pull down last box from the vacuum box, go up box, upper cover plate and a plurality of last bottle simultaneously follow the vacuum pump, and with a plurality of lower bottles in the vacuum box, keep a plurality of lower bottles in the vacuum box together with sample solution in the vacuum box to test the room, take out a plurality of upper bottles and a plurality of filter cores down, the filter paper is removed to the filter paper, the filter paper is washed to the filter paper, the filter paper is frequently is removed to the filter paper, the filter paper is washed to the filter paper is washed and the sample is frequently is changed the sample is washed and need to be taken.
Preferably, the bottle further comprises a convex ring, the lower end of the upper bottle body is detachably connected with the upper end of the lower bottle body in a plug-in connection manner, an annular convex ring is arranged on the side wall of the lower end of the upper bottle body, and the convex ring limits and blocks the upper port wall of the lower bottle body; the upper port wall of the lower bottle body is limited and blocked by the convex ring, so that the lower bottle body and the upper bottle body are connected in an inserting way more accurately.
Preferably, the device further comprises a guide hopper, wherein the guide hopper is arranged on the inner wall of the lower part of the upper bottle body, the guide hopper is arranged into an inverted cone shape, the guide hopper blocks a plurality of ventilation holes of the upper bottle body, and ventilation gaps are arranged between the guide hopper and the ventilation holes; the flow guiding hopper guides the filtered sample solution to the lower bottle body, so that the sample solution is prevented from flowing out of the outside through the vent hole of the upper bottle body, and the suction filtration reliability is improved.
Preferably, the bottle further comprises a plurality of sealing rings, the sealing rings are respectively arranged on the inner walls of the plurality of notches of the upper cover plate, and the sealing rings are in elastic sealing contact with the outer walls of the plurality of upper bottle bodies; the gaps between the outer walls of the upper bottle bodies and the notches of the upper cover plate are filled with the sealing rings, so that the tightness is improved.
Preferably, the device further comprises a plurality of racks and a plurality of motors, wherein the racks are respectively arranged on the plurality of notch covers, the racks are respectively arranged in parallel with the plurality of notch covers, the motors are arranged on the upper cover plate, the output shafts of the motors are respectively concentrically provided with gears, and the gears are respectively meshed with the racks for transmission; the motor drives the gear to rotate, and the gear is meshed with the rack for the rack drives the slot cover to move along the chute, so that the plurality of slots are closed or opened, manual operation is reduced, and operation is simplified.
Preferably, the device further comprises a plurality of photoelectric switches, the photoelectric switches are respectively arranged on the racks through brackets, probes of the photoelectric switches are respectively aligned with the first notch of each row, and the photoelectric switches are respectively and electrically connected with the motors; when a sample bottle formed by the upper bottle body and the lower bottle body is inserted into the notch, when the probe of the photoelectric switch is covered by the lower bottle body, the photoelectric switch sends an electric signal to a corresponding motor, so that the motor drives the rack and the notch cover to move through the gear, the notch cover moves by one notch, the notch cover automatically moves, the rest of notches are still sealed and covered, and the degree of automation is improved.
Preferably, the bottle further comprises a plurality of clamping grooves, a plurality of transverse plates, a plurality of elastic telescopic rods and a plurality of V-shaped rods, wherein annular clamping grooves are formed in the outer wall of the bottom of the plurality of lower bottle bodies, every two transverse plates form a group, each group of transverse plates are respectively positioned on two sides of each row of notches, the plurality of elastic telescopic rods are respectively symmetrically arranged on each group of transverse plates, the plurality of elastic telescopic rods are respectively aligned with the centers of the plurality of notches, the top ends of the telescopic rods of the plurality of elastic telescopic rods are respectively provided with the V-shaped rods, two opposite V-shaped rods are matched and clamped in the clamping grooves, and the lower bottle bodies are clamped by the two opposite V-shaped rods; after the sample bottle composed of the upper bottle body and the lower bottle body is inserted into the notch, the two V-shaped rods are elastically pushed by the telescopic rods of the two opposite elastic telescopic rods to be clamped in the bottom clamping grooves of the lower bottle body, so that stable clamping of a plurality of lower bottle bodies is realized, and when the upper box body is taken down from the vacuum box, the plurality of lower bottle bodies and the plurality of upper bottle bodies are separated conveniently, and the practicability is good.
Preferably, the vacuum box further comprises a plurality of adjusting frames and a plurality of locking bolts, wherein the adjusting frames are vertically arranged at the bottom of the vacuum chamber of the vacuum box, long notches are formed in the adjusting frames, the locking bolts respectively penetrate through the long notches of the adjusting frames and are in rotary threaded connection with two ends of the transverse plates, and the transverse plates are locked on the adjusting frames by the locking bolts; the plurality of adjusting frames and the plurality of locking bolts support the plurality of transverse plates, the plurality of locking bolts are adjusted along the long slots of the plurality of adjusting frames and locked, so that the heights of the plurality of transverse plates are adjusted, the bottle feeding device is suitable for lower bottles of different specifications, and the universality is improved.
Preferably, the vacuum box further comprises a coaming and a plurality of duckbill buckles, wherein the coaming protruding upwards is arranged at the upper port of the vacuum box, the coaming is tightly contacted with the inner wall or the outer wall of the lower port of the upper box, and the vacuum box is in locking connection with the upper box through the duckbill buckles; through setting up the bounding wall for when vacuum box and last box are connected, bounding wall and the lower port inner wall or the outer wall in close contact of last box improve stability and the leakproofness of connection, through a plurality of duckbill hasp swing joint between vacuum box and the last box, thereby convenient with last box dismantlement and installation, the technique is mature, and the practicality is good.
Preferably, the vacuum pump also comprises a pressure sensor, wherein the pressure sensor is arranged on the outer wall of the vacuum box, a probe of the pressure sensor extends into a vacuum chamber of the vacuum box, and the pressure sensor is electrically connected with the vacuum pump; the pressure sensor detects the vacuum degree of the vacuum chamber of the vacuum box, and when the vacuum degree is lower than a set value, the vacuum pump starts to exhaust air, so that the vacuum chamber of the vacuum box keeps a certain vacuum degree, and the suction filtration stability is improved.
Compared with the prior art, the utility model has the beneficial effects that: during operation, constitute the sample bottle with a plurality of last bottle and a plurality of lower bottle, add the sample solution respectively in a plurality of last bottle, the pulling a plurality of slot covers open a plurality of notches on with the upper cover plate, stretch into a plurality of notches respectively with the lower bottle of a plurality of sample bottles to make a plurality of last bottle seal cartridge respectively on the notch, start the vacuum pump, the vacuum pump takes out the vacuum cavity of vacuum box into certain negative pressure, and will take out into certain negative pressure in the lower bottle through the bleeder vent on a plurality of last bottles, make the sample solution in a plurality of last bottles flow into a plurality of lower bottles after the filtration of a plurality of filter cores respectively, realize the suction effect, can filter simultaneously to a plurality of samples, after the suction work is accomplished, close the vacuum pump, pull down last box from the vacuum box, go up box, upper cover plate and a plurality of last bottle simultaneously follow the vacuum pump, and with a plurality of lower bottles in the vacuum box, keep a plurality of lower bottles in the vacuum box together with sample solution in the vacuum box to test the room, take out a plurality of upper bottles and a plurality of filter cores down, the filter paper is removed to the filter paper, the filter paper is washed to the filter paper, the filter paper is frequently is removed to the filter paper, the filter paper is washed to the filter paper is washed and the sample is frequently is changed the sample is washed and need to be taken.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 3 is a schematic view of the front cross-section of the present utility model;
FIG. 4 is a schematic top view of the present utility model;
FIG. 5 is a schematic structural view of the upper cover plate, the hatch, the seal ring, etc.;
FIG. 6 is a schematic view of a partial enlarged structure at A;
FIG. 7 is a schematic view of the lower structure of the present utility model;
FIG. 8 is a schematic view of the structure of the cross plate, the elastic telescopic rod, the V-shaped rod, the adjusting bracket, the locking bolt and the like;
FIG. 9 is an exploded view of the sample vial;
FIG. 10 is a schematic cross-sectional view of a sample bottle;
the reference numerals in the drawings: 1. a vacuum pump; 2. a vacuum box; 3. an upper case; 4. an upper cover plate; 5. a slot cover; 6. a bottle body is arranged; 7. a lower bottle body; 8. a filter element; 9. a convex ring; 10. a diversion bucket; 11. a seal ring; 12. a rack; 13. a motor; 14. an optoelectronic switch; 15. a clamping groove; 16. a cross plate; 17. an elastic telescopic rod; 18. a V-shaped rod; 19. an adjusting frame; 20. a locking bolt; 21. coaming plate; 22. duckbill hasp; 23. a pressure sensor.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1, 2, 3, 4, 9 and 10, a cross-infection prevention suction filtration device for sample detection comprises a vacuum pump 1; the vacuum box 2 is provided with a vacuum chamber and an upper port, the upper port is communicated with the vacuum chamber, an exhaust pipe of the vacuum pump 1 is communicated with the vacuum chamber of the vacuum box 2, the upper box 3 is detachably and hermetically arranged on the upper port of the vacuum box 2, the upper cover plate 4 is arranged on the upper part of the upper box 3, a plurality of slots are arranged on the upper cover plate 4 in a matrix manner, a plurality of grooves are arranged in a plurality of rows, sliding grooves are formed in each row of the slots, the plurality of groove covers 5 are respectively and slidably inserted into the plurality of sliding grooves, the plurality of grooves are respectively and hermetically covered by the plurality of groove covers 5, a plurality of sample bottles are respectively inserted into the plurality of grooves, the sample bottles comprise an upper bottle body 6, a lower bottle body 7 and a filter element 8, the lower end of the upper bottle body 6 is detachably connected with the upper end of the lower bottle body 7, the filter element 8 is arranged on the lower part of the upper bottle body 6, a plurality of air holes are formed in the outer wall of the lower part of the upper bottle body 6, the air holes are positioned below the filter element 8, the bottom of the upper bottle body 6 is inserted into the grooves in the grooves of the cover plate 4; the bottle further comprises a convex ring 9, the lower end of the upper bottle body 6 is detachably connected with the upper end of the lower bottle body 7 in a plug-in connection manner, an annular convex ring 9 is arranged on the side wall of the lower end of the upper bottle body 6, and the convex ring 9 limits and blocks the upper port wall of the lower bottle body 7; the air guide hopper 10 is arranged on the inner wall of the lower part of the upper bottle body 6, the air guide hopper 10 is in an inverted cone shape, the air guide hopper 10 blocks a plurality of air holes of the upper bottle body 6, and ventilation gaps are arranged between the air guide hopper 10 and the plurality of air holes; the bottle cap further comprises a plurality of sealing rings 11, the plurality of sealing rings 11 are respectively arranged on the inner walls of the plurality of notches of the upper cover plate 4, and the plurality of sealing rings 11 are in elastic sealing contact with the outer walls of the plurality of upper bottle bodies 6; the vacuum box further comprises a coaming 21 and a plurality of duckbill buckles 22, wherein the coaming 21 protruding upwards is arranged at the upper port of the vacuum box 2, the coaming 21 is in close contact with the inner wall or the outer wall of the lower port of the upper box body 3, and the vacuum box 2 is in locking connection with the upper box body 3 through the duckbill buckles 22; the vacuum pump comprises a vacuum box 2, a vacuum pump 23, a vacuum chamber, a pressure sensor 23, a vacuum pump 1 and a vacuum sensor 23, wherein the vacuum chamber is arranged in the vacuum box 2, and the vacuum pump 1 is electrically connected with the vacuum chamber.
When in operation, a plurality of upper bottle bodies 6 and a plurality of lower bottle bodies 7 are formed into a sample bottle, sample solution is respectively added into the plurality of upper bottle bodies 6, a plurality of groove covers 5 are pulled to open a plurality of grooves on an upper cover plate 4, the lower bottle bodies 7 of the plurality of sample bottles respectively extend into the plurality of grooves, the plurality of upper bottle bodies 6 are respectively sealed and clamped on the grooves, a vacuum pump 1 is started, the vacuum pump 1 pumps a vacuum chamber of a vacuum box 2 into a certain negative pressure, the lower bottle bodies 7 are pumped into a certain negative pressure through air holes on the plurality of upper bottle bodies 6, so that the sample solution in the plurality of upper bottle bodies 6 respectively flows into the plurality of lower bottle bodies 7 after being filtered by a plurality of filter cores 8, the suction filtration effect is realized, a plurality of samples can be simultaneously filtered, after the suction filtration work is finished, the vacuum pump 1 is closed, the upper box 3 is detached from the vacuum box 2, the upper box body 3, the upper cover plate 4 and the plurality of upper bottle bodies 6 are simultaneously taken down from the vacuum pump 1, the plurality of lower bottle bodies 7 are left in the vacuum box 2, the plurality of lower bottle bodies 7 in the vacuum box 2 and sample solution are sent to a laboratory for inspection, the taken down plurality of upper bottle bodies 6 and the plurality of filter cores 8 are cleaned without frequently replacing filter paper, a cleaning funnel and a sample bottle, the operation is simple, the time consumption is reduced, a plurality of samples can be pumped and filtered each time, the working efficiency is high, the upper port wall of the lower bottle bodies 7 is limited and blocked by the convex ring 9, the lower bottle bodies 7 and the upper bottle bodies 6 are more accurately inserted and connected, the flow guide hopper 10 guides the filtered sample solution into the lower bottle bodies 7, the sample solution is prevented from flowing out of the outside through the vent holes of the upper bottle bodies 6, the gaps between the outer walls of the plurality of upper bottle bodies 6 and the notch of the upper cover plate 4 are filled by the plurality of sealing rings 11, the sealing performance is improved, through setting up bounding wall 21 for when vacuum box 2 and last box 3 are connected, bounding wall 21 and last box 3's lower port inner wall or outer wall in close contact, through a plurality of duckbill hasp 22 swing joint between vacuum box 2 and the last box 3, thereby convenient dismantlement and the installation with last box 3, the vacuum degree of the vacuum chamber of vacuum box 2 is detected to pressure sensor 23, when the vacuum degree is less than the setting value, vacuum pump 1 starts to bleed, makes the vacuum chamber of vacuum box 2 keep certain vacuum degree, thereby improves the stability of suction filtration.
Example 2
As shown in fig. 5 and 6, on the basis of embodiment 1, the device further comprises a plurality of racks 12 and a plurality of motors 13, wherein the racks 12 are respectively installed on the plurality of slot covers 5, the racks 12 are respectively arranged in parallel with the plurality of slot covers 5, the motors 13 are installed on the upper cover plate 4, and gears are concentrically installed on the output shafts of the motors 13 and are respectively meshed with the racks 12 for transmission; the photoelectric switch rack is characterized by further comprising a plurality of photoelectric switches 14, wherein the photoelectric switches 14 are respectively arranged on the racks 12 through brackets, probes of the photoelectric switches 14 are respectively aligned with a first notch of each row, and the photoelectric switches 14 are respectively electrically connected with the motors 13.
When a sample bottle formed by the upper bottle body 6 and the lower bottle body 7 is inserted into the notch, when the probe of the photoelectric switch 14 is covered by the lower bottle body 7, the photoelectric switch 14 sends an electric signal to the corresponding motor 13, the motor 13 drives the gear to rotate, and the gear and the rack 12 are meshed for transmission, so that the rack 12 drives the notch cover 5 to move along the chute, the notch cover 5 moves by one notch, the notch cover 5 automatically moves, other notches are still sealed and covered, and the degree of automation is improved.
Example 3
As shown in fig. 7 and 8, on the basis of embodiment 1 or embodiment 2, the bottle further comprises a plurality of clamping grooves 15, a plurality of transverse plates 16, a plurality of elastic telescopic rods 17 and a plurality of V-shaped rods 18, wherein annular clamping grooves 15 are formed in the outer walls of the bottoms of the plurality of lower bottle bodies 7, each two transverse plates 16 form a group, each group of transverse plates 16 is respectively positioned at two sides of each row of notches, the plurality of elastic telescopic rods 17 are respectively and symmetrically arranged on each group of transverse plates 16, the plurality of elastic telescopic rods 17 are respectively aligned with the centers of the plurality of notches, the top ends of the telescopic rods of the plurality of elastic telescopic rods 17 are respectively provided with V-shaped rods 18, two opposite V-shaped rods 18 are matched and clamped in the clamping grooves 15, and the lower bottle bodies 7 are clamped by the two opposite V-shaped rods 18; the vacuum box further comprises a plurality of adjusting frames 19 and a plurality of locking bolts 20, wherein the adjusting frames 19 are vertically arranged at the bottom of the vacuum chamber of the vacuum box 2, long notches are formed in the adjusting frames 19, the locking bolts 20 respectively penetrate through the long notches of the adjusting frames 19 to be in rotary threaded connection with two ends of the transverse plates 16, and the transverse plates 16 are locked on the adjusting frames 19 by the locking bolts 20.
After the sample bottle consisting of the upper bottle body 6 and the lower bottle body 7 is inserted into the notch, the two V-shaped rods 18 are elastically pushed by the telescopic rods of the two opposite elastic telescopic rods 17 to be clamped in the bottom clamping grooves 15 of the lower bottle body 7, so that stable clamping of a plurality of lower bottle bodies 7 is realized, when the upper box body 3 is taken down from the vacuum box 2, the plurality of lower bottle bodies 7 and the plurality of upper bottle bodies 6 are conveniently separated, the plurality of transverse plates 16 are supported by the plurality of adjusting frames 19 and the plurality of locking bolts 20, the plurality of locking bolts 20 are adjusted along the long notch of the plurality of adjusting frames 19, and the height of the plurality of transverse plates 16 is adjusted, so that the sample bottle is suitable for the lower bottle bodies 7 with different specifications.
As shown in fig. 1 to 10, in the cross infection prevention suction filtration device for sample detection of the present utility model, when in operation, a plurality of upper bottles 6 and a plurality of lower bottles 7 are first assembled into sample bottles, sample solutions are respectively added into the plurality of upper bottles 6, then the plurality of sample bottles are sequentially inserted into a plurality of notches on an upper cover plate 4, when the probes of a photoelectric switch 14 are covered by the lower bottles 7, the photoelectric switch 14 sends an electric signal to a corresponding motor 13, so that the motor 13 drives a rack 12 and a notch cover 5 to move through a gear, so that the notch cover 5 moves one notch, so that the notch cover 5 automatically moves, and keeps the rest notches still covered by sealing, the clamping grooves 15 on the bottom walls of the lower bottles 7 of the plurality of sample bottles are respectively extended between a plurality of V-shaped rods 18, and the plurality of upper bottles 6 are respectively sealed and pressed with a plurality of sealing rings 11, then starting the vacuum pump 1, wherein the vacuum pump 1 pumps the vacuum chamber of the vacuum box 2 to a certain negative pressure, the pressure sensor 23 detects the vacuum degree of the vacuum chamber of the vacuum box 2, when the vacuum degree is lower than a set value, the vacuum pump 1 starts to pump air, so that the vacuum chamber of the vacuum box 2 keeps a certain vacuum degree, the lower bottle 7 is pumped to a certain negative pressure through the air holes on the plurality of upper bottle 6, the sample solution in the plurality of upper bottle 6 flows into the plurality of lower bottle 7 after being filtered by the plurality of filter cores 8 respectively, the suction filtration effect is realized, finally, when the suction operation is finished, the vacuum pump 1 is closed, the plurality of duckbill buckles 22 are opened to detach the upper box 3 from the vacuum box 2, the upper box 3, the upper cover plate 4 and the plurality of upper bottle 6 are simultaneously taken down from the vacuum pump 1, the plurality of V-shaped rods 18 leave the plurality of lower bottle 7 in the vacuum box 2, and (3) conveying the plurality of lower bottles 7 in the vacuum box 2 together with the sample solution to a laboratory for inspection, and cleaning the plurality of upper bottles 6 and the plurality of filter elements 8 which are taken down.
The main functions realized by the utility model are as follows:
1. the combined sample bottle is adopted, so that the filter paper does not need to be frequently replaced, the funnel is cleaned and the sample bottle does not need to be replaced, the operation is simple, and the time consumption is reduced;
2. multiple samples can be filtered each time, and the working efficiency is high;
3. automatically controlling the vacuum degree, and filtering stably;
4. the slot cover is automatically opened and closed, so that the labor intensity is reduced, and the tightness is improved.
The cross infection prevention suction filtration equipment for sample detection has the advantages that the installation mode, the connection mode or the setting mode of the equipment are common mechanical modes, and the equipment can be implemented as long as the beneficial effects of the equipment can be achieved; the vacuum pump 1, the sealing ring 11, the filter element 8, the duckbill hasp 22, the pressure sensor 23, the rack 12, the motor 13, the photoelectric switch 14, the elastic telescopic rod 17 and the locking bolt 20 of the cross infection prevention suction filtration device for sample detection are purchased in the market, and can be installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The cross infection prevention suction filtration equipment for sample detection comprises a vacuum pump (1); the filter is characterized by further comprising a vacuum box (2), an upper box body (3), an upper cover plate (4), a plurality of groove covers (5) and a plurality of sample bottles, wherein the vacuum box (2) is provided with a vacuum chamber and an upper port, the upper port is communicated with the vacuum chamber, an exhaust pipe of a vacuum pump (1) is communicated with the vacuum chamber of the vacuum box (2), the upper box body (3) is detachably and hermetically installed on the upper port of the vacuum box (2), the upper cover plate (4) is installed on the upper part of the upper box body (3), a plurality of grooves are formed in a matrix mode on the upper cover plate (4), the grooves are arranged into a plurality of rows, each row of grooves are all provided with a sliding groove, the grooves are respectively in sliding insertion mode, the grooves are respectively sealed and covered by the grooves, the sample bottles are respectively inserted into the grooves, the sample bottles comprise an upper bottle body (6), a lower bottle body (7) and a filter element (8), the lower end of the upper bottle body (6) is detachably connected with the upper end of the lower bottle body (7), the upper end of the upper cover plate (4) is provided with the upper end of the lower bottle body (7), the filter element (6) is arranged on the air vent hole (8) below the upper cover plate, and the air vent (6) is arranged on the upper part of the upper bottle body (6).
2. The cross infection prevention suction filtration device for sample detection according to claim 1, further comprising a convex ring (9), wherein the lower end of the upper bottle body (6) is detachably connected with the upper end of the lower bottle body (7) in a plug-in connection manner, an annular convex ring (9) is arranged on the side wall of the lower end of the upper bottle body (6), and the convex ring (9) limits and blocks the upper port wall of the lower bottle body (7).
3. The cross infection prevention suction filtration device for sample detection according to claim 2, further comprising a diversion bucket (10), wherein the diversion bucket (10) is arranged on the inner wall of the lower part of the upper bottle body (6), the diversion bucket (10) is arranged into an inverted cone shape, the diversion bucket (10) blocks a plurality of ventilation holes of the upper bottle body (6), and ventilation gaps are arranged between the diversion bucket (10) and the ventilation holes.
4. The cross-infection prevention suction filtration device for sample detection according to claim 1, further comprising a plurality of sealing rings (11), wherein the plurality of sealing rings (11) are respectively mounted on the inner walls of the plurality of notches of the upper cover plate (4), and the plurality of sealing rings (11) are elastically and hermetically contacted with the outer walls of the plurality of upper bottle bodies (6).
5. The cross infection prevention suction filtration device for sample detection according to claim 1, further comprising a plurality of racks (12) and a plurality of motors (13), wherein the racks (12) are respectively arranged on the plurality of slot covers (5), the racks (12) are respectively arranged in parallel with the plurality of slot covers (5), the motors (13) are arranged on the upper cover plate (4), and gears are concentrically arranged on output shafts of the motors (13) and are respectively meshed with the racks (12).
6. The cross-infection prevention suction filtration device for sample detection according to claim 5, further comprising a plurality of photoelectric switches (14), wherein the plurality of photoelectric switches (14) are respectively mounted on the plurality of racks (12) through brackets, probes of the plurality of photoelectric switches (14) are respectively aligned with a first notch of each row, and the plurality of photoelectric switches (14) are respectively electrically connected with the plurality of motors (13).
7. The cross infection prevention suction filtration device for sample detection according to claim 1, further comprising a plurality of clamping grooves (15), a plurality of transverse plates (16), a plurality of elastic telescopic rods (17) and a plurality of V-shaped rods (18), wherein annular clamping grooves (15) are formed in the outer walls of the bottoms of the plurality of lower bottle bodies (7), each two transverse plates (16) form a group, each group of transverse plates (16) is respectively located at two sides of each row of notches, the plurality of elastic telescopic rods (17) are respectively symmetrically arranged on each group of transverse plates (16), the plurality of elastic telescopic rods (17) are respectively aligned with the centers of the plurality of notches, the top ends of the telescopic rods of the plurality of elastic telescopic rods (17) are respectively provided with V-shaped rods (18), two opposite V-shaped rods (18) are matched and clamped in the clamping grooves (15), and the lower bottle bodies (7) are clamped by the two opposite V-shaped rods (18).
8. The cross infection prevention suction filtration device for sample detection according to claim 7, further comprising a plurality of adjusting frames (19) and a plurality of locking bolts (20), wherein the adjusting frames (19) are vertically arranged at the bottom of the vacuum chamber of the vacuum box (2), long slots are formed in the adjusting frames (19), the locking bolts (20) respectively penetrate through the long slots of the adjusting frames (19) and are in rotary threaded connection with two ends of the transverse plates (16), and the transverse plates (16) are locked on the adjusting frames (19) by the locking bolts (20).
9. The cross infection prevention suction filtration device for sample detection according to claim 1, further comprising a coaming (21) and a plurality of duckbill buckles (22), wherein the coaming (21) protruding upwards is arranged at the upper port of the vacuum box (2), the coaming (21) is tightly contacted with the inner wall or the outer wall of the lower port of the upper box body (3), and the vacuum box (2) is in locking connection with the upper box body (3) through the duckbill buckles (22).
10. A cross-infection prevention suction filtration device for sample detection as claimed in claim 1, further comprising a pressure sensor (23), wherein the pressure sensor (23) is mounted on the outer wall of the vacuum box (2), the probe of the pressure sensor (23) extends into the vacuum chamber of the vacuum box (2), and the pressure sensor (23) is electrically connected with the vacuum pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310663927.2A CN116688604A (en) | 2023-06-06 | 2023-06-06 | Cross infection prevention suction filtration equipment for sample detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310663927.2A CN116688604A (en) | 2023-06-06 | 2023-06-06 | Cross infection prevention suction filtration equipment for sample detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116688604A true CN116688604A (en) | 2023-09-05 |
Family
ID=87835187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310663927.2A Pending CN116688604A (en) | 2023-06-06 | 2023-06-06 | Cross infection prevention suction filtration equipment for sample detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116688604A (en) |
-
2023
- 2023-06-06 CN CN202310663927.2A patent/CN116688604A/en active Pending
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