CN216606575U

CN216606575U - Ventilation cabinet for upgrading and transforming PCR laboratory

Info

Publication number: CN216606575U
Application number: CN202122915540.0U
Authority: CN
Inventors: 陶宏均; 陶玉婷
Original assignee: Wuhan Huaweixin Purification Engineering Co ltd
Current assignee: Wuhan Huaweixin Purification Engineering Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-27
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a ventilated cabinet for upgrading and reforming a PCR laboratory, which comprises a workbench, wherein a fixed frame is fixedly connected onto the workbench, a through groove is formed in the bottom of the front surface of the fixed frame, a first baffle and a second baffle are respectively and fixedly connected to the front surface and the back surface of the top part of the inner cavity of the fixed frame at two sides, a transparent partition matched with the through groove is arranged on the front surface of the inner cavity of the fixed frame in a sliding manner, an inclined plate is fixedly connected to the front surface of the top part of the first baffle, the top part of the inclined plate is fixedly connected to the top part of the inner cavity of the fixed frame, and a cleaning mechanism matched with the transparent partition is arranged at the bottom part of the first baffle. And the definition of the transparent partition plate can be improved.

Description

Ventilation cabinet for upgrading and transforming PCR laboratory

Technical Field

The utility model relates to the technical field of PCR laboratories, in particular to a fume hood for upgrading and reconstruction of a PCR laboratory.

Background

The PCR laboratory, also called gene amplification laboratory, is a molecular biology technology, is used for amplifying specific DNA fragments, can be used as special DNA replication outside organisms, can quickly master the virus content in the bodies of patients through a DNA gene tracking system, provides reliable inspection basis for clinical treatment, and needs a ventilation cabinet when being upgraded and modified so as to prevent laboratory personnel from inhaling harmful substances during experiments.

However, the transparent partition plate that traditional PCR laboratory upgrading was reformed transform and is used fume chamber's front is mostly utilized the liftable to shield the front of fume chamber, but in the experimentation, harmful gas or harmful steam can depend on the inner wall and the transparent partition plate of fume chamber, the inner wall of fume chamber is cleared up very easily, only need use tools clean can, but the transparent partition plate of over-and-under type can shrink back the top when opening, very be not convenient for clear up, thereby can make a large amount of harmful substance remain, bring very big potential safety hazard for the experimenter, the too much definition that can influence transparent partition plate of spot simultaneously, the experimenter of being not convenient for observes the inside experimental conditions of fume chamber, can influence the accuracy of experimental data.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that harmful residues on a transparent partition plate in a ventilation cabinet are inconvenient to clean, a great potential safety hazard exists, and the definition of the transparent partition plate is influenced by excessive stains in the prior art, and provides the ventilation cabinet for upgrading and reconstructing a PCR laboratory.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a ventilated cabinet for upgrading and reconstruction of a PCR laboratory comprises a workbench, wherein a fixed frame is fixedly connected to the workbench, a through groove is formed in the bottom of the front side of the fixed frame, a first baffle and a second baffle are respectively and fixedly connected to the front side and the back side of the top of two sides of an inner cavity of the fixed frame, a transparent partition plate matched with the through groove for use is arranged on the front side of the inner cavity of the fixed frame in a sliding mode, an inclined plate is fixedly connected to the front side of the top of the first baffle, the top of the inclined plate is fixedly connected to the top of the inner cavity of the fixed frame, lifting belts are arranged on two sides of the top of the transparent partition plate, a back plate is fixedly connected to two sides of the back side of the fixed frame, one ends, far away from the transparent partition plate, of the lifting belts sequentially penetrate through the inclined plate and the fixed frame and are fixedly connected with counterweight plates matched with the back plate for use, a cleaning mechanism matched with the transparent partition plate is arranged at the bottom of the first baffle plate, fixedly connected with accomodates the frame with clearance mechanism cooperation use on first baffle and the second baffle, accomodate the top fixedly connected with air pump of frame, the inlet end intercommunication of air pump has the house steward, the bottom of house steward has the bottom of multiunit intake pipe and intake pipe to run through the second baffle and downwardly extending along controlling the direction intercommunication, the top of fixed frame is inlayed and is equipped with the connecting cylinder, the end of giving vent to anger of air pump and the bottom intercommunication of connecting cylinder, be provided with the active carbon adsorption plate in the connecting cylinder.

As a further scheme of the utility model, the cleaning mechanism comprises a fixed pipe and a bottom plate, wherein two sides of the surface of the fixed pipe are rotatably connected with installation blocks through bearings, the top of each installation block is fixedly connected with the bottom of a first baffle plate, two sides of the surface of the fixed pipe are fixedly connected with fixed plates, the fixed plates are positioned on the outer sides of the installation blocks, the front sides of the mutually close sides of the fixed plates are rotatably connected with cleaning rollers through movable shafts, the front sides of the cleaning rollers are attached to the back sides of transparent partition plates, the centers of the mutually close sides of the fixed plates are fixedly connected with connecting plates, the bottoms of the connecting plates are fixedly connected with three sets of vertical plates along the left-right direction, three sets of placing grooves are formed in the top of the bottom plate along the left-right direction, the bottoms of the vertical plates penetrate through the placing grooves and extend downwards, the bottoms of the backs of the vertical plates are fixedly connected with two sets of clamping plates along the up-down direction, and the mutually close sides of the clamping plates are attached to the bottom plate, the front of the bottom plate is provided with a scraper blade, the front of the scraper blade is attached to the back of the transparent partition plate, the back of the inner cavity of the placing groove is fixedly connected with a spring, one end of the spring is fixedly connected to the back of the vertical plate, the front of the bottom plate is fixedly connected with a first communicating frame, the front of the first communicating frame is communicated with a plurality of groups of spray heads along the left-right direction, two sides of the back of the first communicating frame are communicated with communicating pipes, one end of each communicating pipe penetrates through the bottom plate and is communicated with the front of each fixed pipe, the right end of each fixed pipe penetrates through the fixed frame and is connected with a second communicating frame through a bearing in a rotating manner, the top of the right side of the fixed frame is fixedly connected with a water tank, the top of the second communicating frame is fixedly connected with the bottom of the water tank, the front of the water tank is fixedly connected with a water pump through a mounting plate, the water inlet end of the water pump penetrates into the water tank, and the water outlet end of the water pump is communicated with the front of the second communicating frame through a water outlet pipe, and one end of the fixed pipe close to the second communication frame is fixedly connected with an auxiliary plate.

As a further scheme of the present invention, two sets of positioning columns matched with the auxiliary plate are fixedly connected to one side of the fixing frame along the front-back direction, a positioning bolt is connected to one side of the auxiliary plate through a nut and a screw thread, and a threaded sleeve matched with the positioning bolt is fixedly connected to one side of the fixing frame.

As a further scheme of the utility model, the front and the back of the top of the two sides of the inner cavity of the fixed frame are rotatably connected with a first rotating shaft through bearings, the two sides of the surface of the first rotating shaft are fixedly connected with first rollers, the top of one side, close to each other, of the back plate is rotatably connected with a second rotating shaft through bearings, the two sides of the surface of the second rotating shaft are fixedly connected with second rollers, and the surfaces of the first rollers and the second rollers are in transmission connection with the surface of the lifting belt.

As a further scheme of the utility model, a slideway is vertically arranged on one side of the back plate close to each other, a sliding plate is arranged in the slideway in a sliding manner, and one side of the sliding plate close to each other is fixedly connected with two sides of the counterweight plate.

As a further scheme of the utility model, the bottom of the front face of the transparent partition plate is fixedly connected with a clamping plate, and the front face of the clamping plate penetrates through the through groove and is in sliding connection with the front face of the fixing frame.

As a further scheme of the utility model, a guide plate is fixedly connected to the bottom of the back of the transparent partition plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, by arranging the cleaning mechanism, the auxiliary plate can drive the fixed pipe to rotate under the rotation assistance of the bearing, so that the cleaning mechanism can be conveniently and integrally rotated to a joint with the transparent partition plate, the scraper can move to the back surface when contacting with the transparent partition plate, the plurality of groups of springs are stretched under the assistance of the vertical plate, the scraper is further clung to the transparent partition plate by utilizing the elastic resilience of the springs, the scraping effect on harmful residues on the transparent partition plate is improved, meanwhile, under the assistance of the water pump, the purified water in the water tank can be quickly transmitted into the first communicating frame through the second communicating frame, the fixed pipe and the communicating pipe, and the purified water is sprayed out to the back surface of the transparent partition plate through the plurality of groups of spray heads, so that the scraper can conveniently and quickly scrape the wetted harmful residues, meanwhile, the cleaning roller can wipe water stains remained on the transparent partition plate, and the cleaning effect on the transparent partition plate is further improved, when a user needs to clean the transparent partition plate, the cleaning mechanism is turned to be attached to the transparent partition plate, and then the transparent partition plate is pulled upwards, so that the process is simple and convenient, the cleaning effect is good, the influence of harmful residues on the health of experimenters is effectively avoided, and the definition of the transparent partition plate is improved;

2. according to the utility model, the auxiliary plate is conveniently fixed by arranging the positioning bolt and the threaded sleeve, so that the cleaning mechanism is fixed, the cleaning mechanism can be always kept in a close contact state with the transparent partition plate when in use, the cleaning effect on the transparent partition plate can be improved, and meanwhile, the auxiliary plate is conveniently limited by the design of the positioning column, so that the positioning bolt can accurately enter the threaded sleeve, and the working efficiency of the cleaning mechanism is improved.

The cleaning mechanism can be used for firstly spraying water to wet harmful residues on the transparent partition plate, then integrally scraping the harmful residues and finally wiping the residual water stain, the process is simple and convenient, the cleaning effect is good, the influence of the harmful residues on the health of experimenters is effectively avoided, the definition of the transparent partition plate can be improved, and meanwhile, the cleaning mechanism can be always kept in a close fit state with the transparent partition plate when in use by using the positioning bolt and the threaded sleeve, so that the cleaning effect on the transparent partition plate is further improved.

Drawings

FIG. 1 is a schematic structural diagram of a fume hood for upgrading and reconstruction in a PCR laboratory according to the present invention;

FIG. 2 is a sectional side view of a PCR laboratory upgrading and rebuilding fume hood according to the present invention;

FIG. 3 is a rear view of a PCR laboratory upgrading and rebuilding fume hood according to the present invention;

FIG. 4 is a partial perspective view of the cleaning mechanism of the present invention;

fig. 5 is a structural side view of a second communicating shelf according to the present invention.

In the figure: 1. a work table; 2. a fixing frame; 3. a first baffle plate; 4. a second baffle; 5. a storage frame; 6. a transparent partition; 7. lifting the pull belt; 8. a sloping plate; 9. a first rotating shaft; 10. a first roller; 11. a back plate; 12. a second rotating shaft; 13. a second roller; 14. a weight plate; 15. a slideway; 16. a slide plate; 17. an air pump; 18. a header pipe; 19. an air inlet pipe; 20. a connecting cylinder; 21. an activated carbon adsorption plate; 22. a cleaning mechanism; 221. a fixed tube; 222. a fixing plate; 223. a cleaning roller; 224. a connecting plate; 225. a vertical plate; 226. a splint; 227. a base plate; 228. a squeegee; 229. a placement groove; 2210. a spring; 2211. a first communication frame; 2212. a communicating pipe; 2213. a second communicating frame; 2214. a water pump; 2215. an auxiliary plate; 23. a baffle; 24. a water tank; 25. a positioning column; 26. positioning the bolt; 27. and (4) a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-5, a ventilated case for upgrading and reconstruction of a PCR laboratory comprises a workbench 1, a fixed frame 2 is fixedly connected to the workbench 1, a through groove is formed at the bottom of the front of the fixed frame 2, a first baffle 3 and a second baffle 4 are respectively fixedly connected to the front and the back of the top of the two sides of the inner cavity of the fixed frame 2, a transparent partition plate 6 matched with the through groove is slidably arranged on the front of the inner cavity of the fixed frame 2, an inclined plate 8 is fixedly connected to the front of the top of the first baffle 3, the top of the inclined plate 8 is fixedly connected to the top of the inner cavity of the fixed frame 2, lifting belts 7 are respectively arranged on the two sides of the top of the transparent partition plate 6, a back plate 11 is fixedly connected to the two sides of the back of the fixed frame 2, one end of each lifting belt 7, far away from the transparent partition plate 6, sequentially penetrates through the inclined plate 8 and the fixed frame 2 and is fixedly connected with a balance weight plate 14 matched with the back plate 11, and the balance weight plate 14 can enable the transparent partition plate 6 to stably lift, the bottom of the first baffle 3 is provided with the cleaning mechanism 22 matched with the transparent partition 6 for use, the cleaning mechanism 22 can utilize the scraper 228 to scrape harmful residues on the transparent partition 6, meanwhile, with the aid of the water pump 2214, the purified water in the water tank 24 can be sprayed to the back of the transparent partition 6 through a plurality of groups of spray heads, the scraper 228 can conveniently and quickly scrape the moistened harmful residues, meanwhile, the cleaning roller 223 can wipe the residual water stains on the transparent partition 6, the cleaning effect on the transparent partition 6 is further improved, the influence of the harmful residues on the health of experimenters is avoided, meanwhile, the definition of the transparent partition 6 is improved, the first baffle 3 and the second baffle 4 are fixedly connected with the containing frames 5 matched with the cleaning mechanism 22 for use, the cleaning mechanism 22 is convenient to be contained when the cleaning mechanism 22 is not needed, the cleaning mechanism 22 is prevented from being always contacted with the transparent partition 6, lead to the excessive wearing and tearing of scraper blade 228, accomodate top fixedly connected with air pump 17 of frame 5, the inlet end intercommunication of air pump 17 has house steward 18, house steward 18's bottom is followed left right direction intercommunication and is had multiunit intake pipe 19 and intake pipe 19's bottom to run through second baffle 4 and downwardly extending, the top of fixed frame 2 is inlayed and is equipped with connecting cylinder 20, the end of giving vent to anger of air pump 17 and the bottom intercommunication of connecting cylinder 20, be provided with activated carbon adsorption plate 21 in the connecting cylinder 20, utilize air pump 17 can be with gas and steam in the fixed frame 2 in transmit to connecting cylinder 20 via multiunit intake pipe 19 and a set of house steward 18, and utilize activated carbon adsorption plate 21 to adsorb the harmful substance in gas and the steam, make things convenient for gas and steam to pass through external pipeline fast transmission to the external world, avoid gas and steam to remain in the fume chamber, cause the influence to experimenter's health.

Example two

Referring to fig. 1 to 5, the present invention provides a new technical solution: a ventilated cabinet for upgrading and reconstruction of a PCR laboratory comprises a workbench 1, wherein a fixed frame 2 is fixedly connected to the workbench 1, a through groove is formed in the front bottom of the fixed frame 2, a first baffle 3 and a second baffle 4 are respectively fixedly connected to the front and the back of the top of the two sides of an inner cavity of the fixed frame 2, a transparent partition 6 matched with the through groove for use is arranged on the front of the inner cavity of the fixed frame 2 in a sliding mode, a clamping plate is fixedly connected to the front bottom of the transparent partition 6, the front of the clamping plate penetrates through the through groove and is in sliding connection with the front of the fixed frame 2, the clamping plate can limit the transparent partition 6 in a sliding mode to enable the transparent partition 6 to stably lift, a guide plate 23 is fixedly connected to the bottom of the back of the transparent partition 6, the guide plate 23 can guide sewage flowing up and down from the transparent partition 6, the sewage can directly fall into the ventilated cabinet to avoid splashing to the outside, and is convenient for unified treatment of the sewage in the later period of an experimenter, the front of the top of the first baffle 3 is fixedly connected with an inclined plate 8, the top of the inclined plate 8 is fixedly connected with the top of an inner cavity of a fixed frame 2, two sides of the top of a transparent clapboard 6 are respectively provided with a lifting belt 7, two sides of the back of the fixed frame 2 are respectively fixedly connected with a back plate 11, one end of the lifting belt 7, far away from the transparent clapboard 6, sequentially penetrates through the inclined plate 8 and the fixed frame 2 and is fixedly connected with a counterweight plate 14 matched with the back plate 11 for use, the counterweight plate 14 can enable the transparent clapboard 6 to stably lift, one side, close to each other, of the back plate 11 is vertically provided with a slide way 15, the slide way 15 is internally provided with a slide plate 16 in a sliding manner, one side, close to each other, of the slide plate 16 is fixedly connected with two sides of the counterweight plate 14, the slide plate 16 can slide in the slide way 15 and can limit the counterweight plate 14 to enable the counterweight plate to stably move, the front and the back of the top of the two sides of the inner cavity of the fixed frame 2 are rotatably connected with a first rotating shaft 9 through bearings, the two sides of the surface of the first rotating shaft 9 are fixedly connected with first rollers 10, the top of one side, close to each other, of the back plate 11 is rotatably connected with a second rotating shaft 12 through bearings, the two sides of the surface of the second rotating shaft 12 are fixedly connected with second rollers 13, the surfaces of the first rollers 10 and the second rollers 13 are in transmission connection with the surface of the lifting belt 7, the first rotating shaft 9, the first rollers 10, the second rotating shaft 12 and the second rollers 13 can change the direction of the lifting belt 7 to prevent the lifting belt 7 from directly contacting with the fixed frame 2 and the inclined plate 8, the abrasion speed of the lifting belt 7 is reduced, the bottom of the first baffle plate 3 is provided with a cleaning mechanism 22 matched with the transparent baffle plate 6 for use, the cleaning mechanism 22 comprises a fixed pipe 221 and a bottom plate 227, the two sides of the surface of the fixed pipe 221 are rotatably connected with mounting blocks through bearings, and the tops of the mounting blocks are fixedly connected to the bottom of the first baffle plate 3, the fixed plate 222 is fixedly connected to both sides of the surface of the fixed pipe 221, the fixed plate 222 is located outside the mounting block, the cleaning roller 223 is rotatably connected to the front surface of one side, close to each other, of the fixed plate 222, the front surface of the cleaning roller 223 is attached to the back surface of the transparent partition board 6 through a movable shaft, the connecting plate 224 is fixedly connected to the center of one side, close to each other, of the fixed plate 222, three sets of vertical plates 225 are fixedly connected to the bottom of the connecting plate 224 in the left-right direction, three sets of placing grooves 229 are formed in the top portion of the bottom plate 227 in the left-right direction, the bottoms of the vertical plates 225 penetrate through the placing grooves 229 and extend downwards, two sets of clamping plates 226 are fixedly connected to the bottoms of the backs of the vertical plates 225 in the up-down direction, one sides, close to each other, of the clamping plates 226 are attached to the bottom plate 227, the front surface of the scraping plate 228 is attached to the back surface of the transparent partition board 6, the back surface of the cavities of the placing grooves 229 is fixedly connected with springs 2210 and one end of one ends of the springs 2210 are fixedly connected to the backs of the vertical plates 225, a first communicating frame 2211 is fixedly connected to the front of the bottom plate 227, a plurality of groups of nozzles are communicated with the front of the first communicating frame 2211 along the left-right direction, communicating pipes 2212 are communicated with both sides of the back of the first communicating frame 2211, one end of each communicating pipe 2212 penetrates through the bottom plate 227 and is communicated with the front of the fixed pipe 221, the right end of each fixed pipe 221 penetrates through the fixed frame 2 and is rotatably connected with the second communicating frame 2213 through a bearing, a water tank 24 is fixedly connected to the top of the right side of the fixed frame 2, the top of each second communicating frame 2213 is fixedly connected with the bottom of the water tank 24, a water pump 2214 is fixedly connected to the front of the water tank 24 through a mounting plate, the water inlet end of the water pump 2214 penetrates into the water tank 24, the water outlet end of the water pump 2214 is communicated with the front of the second communicating frame 2213 through a water outlet pipe, an auxiliary plate 2215 is fixedly connected to one end, which is close to the second communicating frame 2213, the cleaning mechanism 22 can scrape harmful residues on the transparent partition plate 228, meanwhile, with the aid of the water pump 2214, the purified water in the water tank 24 can be sprayed out to the back of the transparent partition plate 6 through a plurality of groups of nozzles, so that the scraper 228 can rapidly scrape off the wetted harmful residues, meanwhile, the cleaning roller 223 can clean the residual water stains on the transparent partition plate 6, the cleaning effect on the transparent partition plate 6 is further improved, the influence of the harmful residues on the health of experimenters is avoided, the definition of the transparent partition plate 6 is improved, one side of the fixing frame 2 is fixedly connected with two groups of positioning columns 25 matched with the auxiliary plate 2215 along the front-back direction, one side of the auxiliary plate 2215 is connected with a positioning bolt 26 through a nut thread, one side of the fixing frame 2 is fixedly connected with a thread sleeve 27 matched with the positioning bolt 26, and the cleaning mechanism 22 can be fixed with the aid of the auxiliary plate 2215 through the butt joint of the positioning bolt 26 and the thread sleeve 27, the cleaning mechanism 22 can be always kept in a close contact state with the transparent partition board 6 when the cleaning mechanism is required to be used, the cleaning effect of the transparent partition board 6 is improved, meanwhile, the positioning column 25 can limit the auxiliary board 2215, the positioning bolt 26 can quickly and accurately enter the threaded sleeve 27, the first baffle plate 3 and the second baffle plate 4 are fixedly connected with the storage frame 5 matched with the cleaning mechanism 22 for use, the cleaning mechanism 22 is conveniently stored when the cleaning mechanism 22 is not required to be used, the cleaning mechanism 22 is prevented from being contacted with the transparent partition board 6 all the time, the scraping plate 228 is prevented from being excessively worn, the top of the storage frame 5 is fixedly connected with the air pump 17, the air inlet end of the air pump 17 is communicated with the header pipe 18, the bottom of the header pipe 18 is communicated with a plurality of air inlet pipes 19 in the left-right direction, the bottom end of the air inlet pipe 19 penetrates through the second baffle plate 4 and extends downwards, the top of the fixing frame 2 is embedded with the connecting cylinder 20, the air outlet end of the air pump 17 is communicated with the bottom of the connecting cylinder 20, be provided with activated carbon adsorption plate 21 in the connecting cylinder 20, utilize air pump 17 can transmit gas and steam in the fixed frame 2 to connecting cylinder 20 in via multiunit intake pipe 19 and a set of house steward 18 to utilize activated carbon adsorption plate 21 to adsorb the harmful substance in gas and the steam, make things convenient for gas and steam to pass through external pipeline fast transmission to external world, avoid gas and steam to preserve in the fume chamber, cause the influence to experimenter's health.

The working principle is as follows: when the ventilating hood is used, the air pump 17 can transmit the gas and steam in the ventilating hood into the connecting cylinder 20 through the multiple groups of air inlet pipes 19 and the group of header pipes 18, harmful substances in the gas and steam are adsorbed by the activated carbon adsorption plate 21, then the gas and steam can be quickly transmitted to the outside through an external pipeline, when the transparent partition plate 6 needs to be cleaned, a user rotates the positioning bolt 26, the positioning bolt 26 is rotated and extracted from the threaded sleeve 27, the locking state of the auxiliary plate 2215 is released, then the user rotates the auxiliary plate 2215, so that the fixing pipe 221 can be driven to rotate, the cleaning mechanism 22 is integrally rotated to the joint position with the transparent partition plate 6, the scraper 228 moves to the back when contacting with the transparent partition plate 6, the multiple groups of springs 2210 are stretched under the assistance of the vertical plate 225, at the moment, the clamping plate 226 limits the bottom plate 227, meanwhile, the scraper 228 is further tightly attached to the transparent partition 6 by the elastic resilience of the spring 2210, then the user abuts the positioning bolt 26 against the threaded sleeve 27 on the front surface of one side of the fixed frame 2, thereby fixing the auxiliary plate 2215, so that the scraper 228 and the cleaning roller 223 can be kept in a tight state with the transparent partition 6, then the user turns on the water pump 2214, at this time, the water pump 2214 transfers the purified water in the water tank 24 into the fixed pipe 221 through the second communicating frame 2213 and into the communicating pipe 2212 through the fixed pipe 221, and then the purified water is rapidly transferred into the first communicating frame 2211 through the communicating pipe 2212 and is sprayed out to the back surface of the transparent partition 6 through a plurality of groups of nozzles, at this time, the user lifts the clamping plate upwards to drive the transparent partition 6 to move upwards as a whole, at this time, the weight plate 14 moves downwards, so as to pull the lifting belt 7 to be stably driven under the rotation assistance of the first roller 10 and the second roller 13, and then make transparent baffle 6 steadily shift up, harmful residue after scraper blade 228 is moist on to transparent baffle 6 strikes off fast this moment, cleaning roller 223 can clean remaining water stain on transparent baffle 6 simultaneously, the sewage that strikes off this moment falls to the fume chamber in via guide plate 23, the user removes the locking state to accessory plate 2215 afterwards, rotate clearance mechanism 22 to breaking away from transparent baffle 6 department, move transparent baffle 6 down afterwards, repeat above-mentioned step this moment, can carry out complete clearance to harmful residue on transparent baffle 6, and the cleaning process is simple and convenient, clean effect is fine simultaneously, make transparent baffle 6 more clear.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a fume chamber is used in transformation of PCR laboratory upgrading, includes workstation (1), its characterized in that, the fixed frame of fixedly connected with (2) is gone up in workstation (1), logical groove has been seted up to positive bottom of fixed frame (2), the front and the back at fixed frame (2) inner chamber both sides top are the first baffle of fixedly connected with (3) and second baffle (4) respectively, the front of fixed frame (2) inner chamber is slided and is provided with transparent baffle (6) that use with leading to the groove cooperation, the top fixed connection of the positive fixedly connected with swash plate (8) at first baffle (3) top and swash plate (8) is at the top of fixed frame (2) inner chamber, the both sides at transparent baffle (6) top all are provided with lifting strap (7), the equal fixedly connected with backplate (11) in both sides at the fixed frame (2) back, lifting strap (7) keep away from the one end of transparent baffle (6) and run through swash plate (8) and fixed frame (2) and fixed even (7) in proper order A counterweight plate (14) matched with the back plate (11) for use is connected, a cleaning mechanism (22) matched with the transparent partition plate (6) for use is arranged at the bottom of the first baffle plate (3), the first baffle (3) and the second baffle (4) are fixedly connected with a containing frame (5) which is matched with the cleaning mechanism (22), the top of the containing frame (5) is fixedly connected with an air pump (17), the air inlet end of the air pump (17) is communicated with a header pipe (18), the bottom of the main pipe (18) is communicated with a plurality of groups of air inlet pipes (19) along the left-right direction, the bottom ends of the air inlet pipes (19) penetrate through the second baffle (4) and extend downwards, the top of the fixed frame (2) is embedded with a connecting cylinder (20), the air outlet end of the air pump (17) is communicated with the bottom of the connecting cylinder (20), and an activated carbon adsorption plate (21) is arranged in the connecting cylinder (20).

2. The ventilated hood for upgrading and reconstruction of a PCR laboratory according to claim 1, wherein the cleaning mechanism (22) comprises a fixed pipe (221) and a bottom plate (227), both sides of the surface of the fixed pipe (221) are rotatably connected with mounting blocks through bearings, the tops of the mounting blocks are fixedly connected with the bottom of the first baffle plate (3), both sides of the surface of the fixed pipe (221) are fixedly connected with a fixed plate (222), the fixed plate (222) is positioned outside the mounting blocks, the front surfaces of the fixed plates (222) close to one side are rotatably connected with cleaning rollers (223) through movable shafts, the front surfaces of the cleaning rollers (223) are attached to the back surfaces of the transparent partition plates (6), the center of the fixed plates (222) close to one side is fixedly connected with a connecting plate (224), and the bottoms of the connecting plate (224) are fixedly connected with three sets of vertical plates (225) along the left-right direction, three sets of standing grooves (229) have been seted up along left right direction to the top of bottom plate (227), the bottom of riser (225) runs through standing groove (229) and downwardly extending, the bottom at riser (225) back is along upper and lower direction fixedly connected with two sets of splint (226) and splint (226) one side laminating that is close to each other on bottom plate (227), the front of bottom plate (227) is provided with the laminating of scraper blade (228) and scraper blade (228) in the back of transparent partition plate (6), the back fixedly connected with spring (2210) of standing groove (229) inner chamber and the one end fixed connection of spring (2210) are in the back of riser (225), the front fixedly connected with first communicating frame (2211) of bottom plate (227) bottom, the front of first communicating frame (2211) is along left right direction intercommunication have the multiunit shower nozzle, the both sides of first communicating frame (2211) back all communicate communicating pipe (2212) and the one end of communicating pipe (2212) runs through bottom plate (227) and with fixed pipe (221) The front side of the water pump is communicated, the right end of the fixed pipe (221) penetrates through the fixed frame (2) and is connected with a second communicating frame (2213) through a bearing in a rotating mode, the top of the right side of the fixed frame (2) is fixedly connected with a water tank (24), the top of the second communicating frame (2213) is fixedly connected with the bottom of the water tank (24), the front side of the water tank (24) is fixedly connected with a water pump (2214) through a mounting plate, the water inlet end of the water pump (2214) penetrates into the water tank (24), the water outlet end of the water pump (2214) is communicated with the front side of the second communicating frame (2213) through a water outlet pipe, and one end, close to the second communicating frame (2213), of the fixed pipe (221) is fixedly connected with an auxiliary plate (2215).

3. The ventilated hood for upgrading and rebuilding of PCR laboratory according to claim 2, wherein two sets of positioning columns (25) matched with the auxiliary plate (2215) are fixedly connected to one side of the fixing frame (2) along the front-back direction, a positioning bolt (26) is connected to one side of the auxiliary plate (2215) through a nut and a screw sleeve (27) matched with the positioning bolt (26) is fixedly connected to one side of the fixing frame (2).

4. The ventilated hood for upgrading and reconstruction of the PCR laboratory according to claim 1, wherein the front and the back of the top of the two sides of the inner cavity of the fixing frame (2) are rotatably connected with a first rotating shaft (9) through bearings, the two sides of the surface of the first rotating shaft (9) are fixedly connected with first rollers (10), the top of one side, close to each other, of the back plate (11) is rotatably connected with a second rotating shaft (12) through bearings, the two sides of the surface of the second rotating shaft (12) are fixedly connected with second rollers (13), and the surfaces of the first rollers (10) and the second rollers (13) are in transmission connection with the surface of the lifting belt (7).

5. The ventilated cabinet for upgrading and reconstruction of the PCR laboratory according to claim 1, wherein a slide rail (15) is vertically arranged on one side of the back plate (11) close to each other, a slide plate (16) is slidably arranged in the slide rail (15), and one side of the slide plate (16) close to each other is fixedly connected with two sides of the counterweight plate (14).

6. The ventilated cabinet for upgrading and rebuilding of PCR laboratory according to claim 1, wherein a clamping plate is fixedly connected to the bottom of the front surface of the transparent partition plate (6), and the front surface of the clamping plate penetrates through the through groove and is slidably connected with the front surface of the fixed frame (2).

7. The ventilated cabinet for upgrading and reconstruction of the PCR laboratory according to claim 1, wherein a guide plate (23) is fixedly connected to the bottom of the back surface of the transparent partition plate (6).