CN113333422A - Telescopic ventilation system for ventilation based on laboratory - Google Patents
Telescopic ventilation system for ventilation based on laboratory Download PDFInfo
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- CN113333422A CN113333422A CN202110661841.7A CN202110661841A CN113333422A CN 113333422 A CN113333422 A CN 113333422A CN 202110661841 A CN202110661841 A CN 202110661841A CN 113333422 A CN113333422 A CN 113333422A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
- B08B15/005—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops comprising a stationary main duct with one or more branch units, the branch units being freely movable along a sealed longitudinal slit in the main duct
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The invention discloses a telescopic ventilation system for ventilation based on a laboratory, wherein a telescopic exhaust component is arranged at the bottom end of a ventilation pipe, a sliding plate is connected with a guide rail through a sliding connection component, a ventilation plate is arranged at the bottom end of the connection pipe, rubber rings are embedded at the positions of folding curtains corresponding to thin ropes, a precise ventilation component is arranged at the position of the bottom end of the ventilation plate corresponding to the position of the bottom end of the connection pipe, rotating shaft pipes are arranged at the connecting positions of a top pipe, a middle pipe and a bottom pipe in a penetrating way, and an emergency fire extinguishing component is arranged at one end of the top surface of the ventilation plate. The emergency fire extinguishing component can effectively extinguish fire and simultaneously prevent harmful gas from diffusing, thereby improving safety.
Description
Technical Field
The invention relates to the technical field of ventilation systems, in particular to a telescopic ventilation system for ventilation based on a laboratory.
Background
The laboratory ventilation is a technology for researching and controlling the influence and damage of harmful substances in a laboratory on indoor and outdoor air environments, a ventilation system can be divided into natural ventilation and mechanical ventilation, the mechanical ventilation can be divided into overall ventilation and local ventilation, the overall ventilation refers to a mode of ventilation and air exchange of the whole room, the local ventilation refers to a ventilation mode of controlling the ventilation range in a place where the harmful substances are concentrated or a local area where workers often move, such as a ventilation cabinet, a universal exhaust hood, an atomic absorption hood and the like.
But laboratory ventilation in the existing market requires differently to ventilate because of different experiments, and the not high ordinary experiment table that requires of ventilation is gone on at the great ordinary laboratory table of operational area usually, convenient operation, and the ventilation requires than higher then need go on in the fume chamber, when carrying out the multiunit experiment, again can influence experimental operation because of the restriction of fume chamber volume, influence going on of experiment.
Disclosure of Invention
The invention provides a telescopic ventilation system for ventilation based on a laboratory, which can effectively solve the problems that the ventilation requirement of the laboratory proposed in the background technology is different due to different experiments, the ventilation requirement is not high, the ventilation requirement is usually carried out on a common experiment table with a large operable area, the operation is convenient, the ventilation requirement is high, the ventilation requirement needs to be carried out in a ventilation cabinet, and the experiment operation is influenced due to the limitation of the volume of the ventilation cabinet when a plurality of groups of experiments are carried out, so that the experiment operation is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the air exchanging device comprises an air exchanging pipe, wherein a telescopic exhaust assembly is arranged at the bottom end of the air exchanging pipe, and comprises a guide opening, a guide rail, a sliding plate, a vertical telescopic pipe, a transition joint, a horizontal telescopic pipe, a connecting pipe, an air exchanging plate, an internal threaded pipe, a stud, a rotating ring, a folding curtain, a reel, a string, a rubber ring, a bottom plate, a sucker, a sealing silicon rubber sheet, a butt joint groove and a butt joint strip;
the device comprises a guide opening, a guide rail, a sliding plate, a vertical telescopic pipe, a transition joint, a connecting pipe, a ventilation plate, a butt joint groove and a butt joint strip, wherein the guide opening is formed in the bottom end of the ventilation pipe, the guide rails are arranged at the positions, corresponding to the two sides of the guide opening, of the bottom end of the ventilation pipe, the sliding plate is arranged between the two guide rails, the sliding plate is connected with the guide rails through a sliding connection assembly, the middle of the bottom surface of the sliding plate is provided with the vertical telescopic pipe in a penetrating mode, the transition joint is arranged at the position, located inside the ventilation pipe, of the top end of the vertical telescopic pipe, the adjacent transition joints are connected through the horizontal telescopic pipe, the connecting pipe is arranged at the bottom end of the vertical telescopic pipe, the ventilation plate is arranged at the bottom end of the connecting pipe, the butt joint groove is formed in the middle of one side of the ventilation plate, and the butt joint strip is arranged at the middle position of one side, away from the butt joint groove, of the ventilation plate;
internal thread pipe is all installed to breather plate top surface and sliding plate bottom surface, is located two on same vertical line the internal thread pipe is installed respectively in the double-screw bolt both ends, the fixed swivel becket that has connect in double-screw bolt middle part, the trilateral position department in breather plate bottom surface all bonds and has folded curtain, breather plate top surface edge corresponds folding curtain department and all installs the reel through the pivot, the winding has the string in the middle part of the reel, the folding curtain is run through to string bottom equidistance, folded curtain corresponds string department and all inlays and have the rubber ring, the string bottom is connected in bottom plate bottom surface middle part, the sucking disc has all been inlayed at the bottom plate both ends, the folding curtain both sides all bond and have sealed silicon rubber piece.
Preferably, the folding curtain is formed by aligning a plurality of organic glass plate end parts and is sequentially hinged, the joint of adjacent organic glass plates is connected and sealed through a rubber sheet, the rubber ring and the organic glass plate are in one-to-one correspondence and are arranged in the middle of the organic glass plate in a penetrating mode, one end of the ventilation pipe is connected with the suction fan, and the input end of the suction fan is electrically connected with the output end of the external power supply.
Preferably, the bottom end of the air exchange plate is provided with an accurate air exchange assembly at the position corresponding to the bottom end of the connecting pipe, and the accurate air exchange assembly comprises a closed groove, an air exchange box, a communication hole, a rectangular hole, a top pipe, a middle pipe, a bottom pipe, a rotating shaft pipe, a rubber pipe, an air hole, a rotating pipe, an arc-shaped upper pipe, a folding plate, an arc-shaped lower pipe, a connecting hose, an arc-shaped extension pipe and an air suction hole;
the air exchange box is characterized in that the closed groove is formed in the position, corresponding to the bottom end of the connecting pipe, of the bottom end of the air exchange plate, the two ends of the closed groove are both slidably provided with the air exchange box, the middle part of the top surface of the air exchange box is provided with the communicating hole, the bottom end of the air exchange box is provided with the rectangular hole, the top pipe is rotatably arranged in the rectangular hole, the bottom end of the top pipe is rotatably provided with the middle pipe, the bottom end of the middle pipe is rotatably provided with the bottom pipe, the connecting part of the top pipe, the middle pipe and the bottom pipe is respectively provided with a rotating shaft pipe in a penetrating manner, the outer side of the rotating shaft pipe is sleeved with the rubber pipe, the rotating shaft pipe and the rubber pipe are both provided with the air holes, the bottom end of the bottom pipe is rotatably provided with the rotating pipe, one end of the rotating pipe is connected with the arc-shaped upper pipe, the bottom end of the arc-shaped upper pipe is connected with the arc-shaped lower pipe through the folding plate, the middle parts of the arc-shaped upper pipe and the arc-shaped lower pipe are connected through a connecting hose, the arc-shaped extension pipe is slidably arranged at the two ends of the arc-shaped lower pipe, the suction holes are formed in the inner side positions of the arc-shaped upper pipe, the arc-shaped lower pipe and the arc-shaped extension pipe.
Preferably, magnetic stripes are bonded on the top surfaces of the top pipe and the middle pipe, and iron sheets are bonded on the bottom surface of the ventilation plate corresponding to the magnetic stripes.
Preferably, the sliding connection assembly comprises a guide rod, a support box, a spring, a push plate, an oil filling hole, a rubber isolation sheet, a sponge strip, a ball, a translation groove, a pull strip and a pull ring;
the guide bars are respectively arranged at the two ends of the sliding plate, the guide bars positioned on the same side of the sliding plate penetrate through the support box, springs are sleeved at the positions of the guide bars positioned between the sliding plate and the support box, one ends of the two guide bars are positioned in the support box and are respectively connected to the two ends of the push plate, oil filling holes are uniformly formed in the top surface of the support box, rubber isolation pieces are uniformly formed at the inner edges of the oil filling holes, sponge strips are placed in the support box, and balls are movably embedded in the side surfaces and the bottom surface of the support box;
the translation grooves are formed in two ends of the sliding plate, pull strips are mounted at two ends of each translation groove in a sliding mode, one end of each pull strip is fixedly connected to one end of the supporting box, and the other end of each pull strip is connected with a pull ring.
Preferably, the drawing strip is matched with the translation groove, and the top surface of the sliding plate is flush with the top surface of the support box.
Preferably, an emergency fire extinguishing assembly is installed at one end of the top surface of the air exchange plate, and the emergency fire extinguishing assembly comprises a fire extinguishing hole, a fire extinguishing box, a fire extinguishing bottle, an adapter, a header pipe, branch pipes, a valve, a cover plate, an installation block, a rolling shaft, carbon fiber cloth, an aluminum-plated film and a counterweight strip;
the utility model discloses a fire extinguishing box, including breather plate, adapter, roller bearing middle part winding, carbon fiber cloth, the inboard aluminizer that bonds of carbon fiber cloth, the box that puts out a fire is installed to breather plate top surface correspondence fire extinguishing hole department, the fire extinguishing bottle is installed to the box inside of putting out a fire, fire extinguishing bottle one end is connected with the adapter, adapter one end is connected with the house steward, the house steward corresponds fire extinguishing hole department and is connected with the branch pipe, the valve is installed to adapter and fire extinguishing bottle junction, the apron is installed at the box top of putting out a fire, the breather plate is close to the equal fixedly connected with installation piece in box edge both ends that puts out a fire, two the installation piece rotates respectively and installs in the roller bearing both ends, the winding of roller bearing middle part has carbon fiber cloth, the inboard aluminizer that bonds of carbon cloth, the carbon cloth bottom bonds has the counter weight strip.
Preferably, the fire extinguishing bottle is filled with liquid carbon dioxide, and the width of the carbon fiber cloth is equal to that of the air exchange plate.
Preferably, the top end of the air exchange pipe is provided with an air exchange installation component, and the air exchange installation component comprises a vertical sliding rail, a sliding frame, an installation rod, an installation plate, an air supply pipe, a butt joint pipe and an air supply head;
a plurality of perpendicular slide rail passes through the screw mounting on the scavenge pipe top, the inside slidable mounting of perpendicular slide rail has the carriage, the welding of carriage top surface middle part has the installation pole, the welding of installation pole top has the mounting panel, the inside slidable mounting of carriage has the blast pipe, the welding of blast pipe one end has the butt joint pipe, the air-supply head is all installed at blast pipe bottom surface both ends.
Preferably, the outer side of the butt joint pipe is matched with the inner wall of the blast pipe, the blast pipe is connected with the air outlet end of the air blower, and the input end of the air blower is electrically connected with the output end of the external power supply.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use;
1. be provided with flexible exhaust assembly, remove the sliding plate along the spigot, thereby conveniently change the interval between the transform gas board, the size adjustment scope of taking a breath according to the experimental range, thereby guarantee carminative effect, with a plurality of boards of taking a breath after the concatenation, the folding curtain of the board bottom surface edge of taking a breath after the pulling concatenation, adjacent sealed silicon rubber piece contacts each other sealedly, adsorb smooth experiment mesa with the sucking disc of bottom plate bottom surface again and fix, make up into interim similar fume chamber structure, and the fume chamber volume is adjustable, make things convenient for going on in order of multiunit experiment, experimental operation is more convenient.
2. Be provided with accurate subassembly of taking a breath, when needs take a breath to the small scale part of experiment, promote the box of taking a breath of the inside of closed groove, seal the connecting pipe bottom, pull the push pipe again, well pipe and bottom tube, adjust arc top tube and arc low tube and aim at the position of taking a breath, the connecting pipe, the box of taking a breath, the push pipe, well pipe, the bottom tube, it forms the passageway of taking a breath to reinforce arc top tube and arc low tube, reinforce the inside ventilation effect of arc top tube and arc low tube, make the small scale in ventilation effect better, the gas that prevents to leak influences the experiment operation, the safety effect is better.
3. Be provided with sliding connection subassembly, inside the support box slides and imbeds to the guide rail, conveniently remove the sliding plate, pull the pull ring again for the interval between the support box reduces, supports the box and breaks away from the guide rail, conveniently dismantles the sliding plate, conveniently dismantles it when making things convenient for the gas exchange plate to remove the combination, thereby conveniently overhauls and clears up, guarantees the ventilation effect.
4. Be provided with the subassembly of promptly putting out a fire, when experimenting, if meet an accident and catch fire, can pull the counter weight strip, until counter weight strip contact experiment table desktop, cooperation folding curtain forms relative confined environment, the part isolation of catching fire, open the valve again, the carbon dioxide of bottle inside will putting out a fire is leading-in, at this moment, still going on because of taking a breath, and carbon dioxide density is big than the air, carbon dioxide can discharge air rapidly, the prevention burning, reach the effect of putting out a fire, and carbon dioxide can act as protective gas, prevent the harmful gas diffusion, the safety effect is better.
5. Be provided with the installation component of taking a breath, when installing, the accessible carriage slides along perpendicular slide rail, and the flexible exhaust subassembly of cooperation enlarges the adjustment range of air exchange system, again through docking the blast pipe, aims at the experiment position, conveniently sends into fresh air to guarantee the effect of taking a breath, strengthen the function of taking a breath.
To sum up, utilize flexible exhaust assembly's adjustment concatenation, thereby form adjustable range's the cabinet structure of ventilating, the going on of convenient experiment, the ventilation effect of small scale has further been reinforceed to accurate subassembly of taking a breath, change with the taking a breath of small scale on a large scale, thereby ventilation system's functionality has been reinforceed, sliding connection subassembly cooperation flexible exhaust assembly uses, the maintenance has been made things convenient for when removing more smoothly, the folding curtain of the flexible exhaust assembly part of the subassembly cooperation of promptly putting out a fire, prevent the harmful gas diffusion when effectively putting out a fire, thereby the security has been improved, ventilation system adjustable range has further been extended to the installation of taking a breath subassembly, thereby facilitate the use more.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the telescoping vent assembly of the present invention;
FIG. 3 is a schematic view of the structure of area A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a precision air exchange assembly according to the present invention;
FIG. 5 is a schematic view of the installation configuration of the arcuate upper tube of the present invention;
FIG. 6 is a schematic structural view of the slide connection assembly of the present invention;
FIG. 7 is a schematic view of the mounting structure of the sponge strip of the present invention;
FIG. 8 is a schematic diagram of the construction of the emergency fire suppression assembly of the present invention;
FIG. 9 is a schematic view of the construction of the breather mounting assembly of the present invention;
reference numbers in the figures: 1. a ventilation tube;
2. a telescopic exhaust assembly; 201. a guide port; 202. a guide rail; 203. a sliding plate; 204. a vertical telescopic pipe; 205. a transition section; 206. a horizontal telescopic pipe; 207. a connecting pipe; 208. a ventilation plate; 209. an internally threaded tube; 210. a stud; 211. a rotating ring; 212. a folding curtain; 213. a reel; 214. a string; 215. a rubber ring; 216. a base plate; 217. a suction cup; 218. sealing the silicone rubber sheet; 219. a butt joint groove; 220. butting strips;
3. a precision air exchange assembly; 301. closing the groove; 302. a ventilation box; 303. a communicating hole; 304. a rectangular hole; 305. jacking pipes; 306. a middle tube; 307. a bottom tube; 308. a rotating shaft tube; 309. a rubber tube; 310. air holes are formed; 311. rotating the tube; 312. an arc-shaped upper pipe; 313. folding the board; 314. an arc-shaped lower pipe; 315. a connecting hose; 316. an arc-shaped extension pipe; 317. a suction hole;
4. a sliding connection assembly; 401. a guide bar; 402. a support box; 403. a spring; 404. pushing the plate; 405. an oil filling hole; 406. a rubber spacer; 407. a sponge strip; 408. a ball bearing; 409. a translation groove; 410. drawing the strip; 411. a pull ring;
5. an emergency fire extinguishing assembly; 501. a fire extinguishing hole; 502. a fire extinguishing box; 503. a fire extinguishing bottle; 504. an adapter; 505. a header pipe; 506. pipe distribution; 507. a valve; 508. a cover plate; 509. mounting blocks; 510. a roller; 511. carbon fiber cloth; 512. aluminizing; 513. a weight strip;
6. a ventilation mounting assembly; 601. a vertical slide rail; 602. a carriage; 603. mounting a rod; 604. mounting a plate; 605. an air supply pipe; 606. butt-joint pipes; 607. an air supply head.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-9, the present invention provides a technical solution of a telescopic ventilation system for ventilation based on a laboratory, which includes a ventilation tube 1, wherein a telescopic exhaust assembly 2 is installed at a bottom end of the ventilation tube 1, and the telescopic exhaust assembly 2 includes a guide opening 201, a guide rail 202, a sliding plate 203, a vertical telescopic tube 204, a transition joint 205, a horizontal telescopic tube 206, a connecting tube 207, a ventilation plate 208, an internal threaded tube 209, a stud 210, a rotating ring 211, a folding curtain 212, a reel 213, a string 214, a rubber ring 215, a bottom plate 216, a suction cup 217, a sealing silicone rubber sheet 218, a butt joint groove 219, and a butt joint strip 220;
the guide opening 201 is arranged at the bottom end of the air exchange tube 1, guide rails 202 are arranged at the bottom end of the air exchange tube 1 corresponding to two sides of the guide opening 201, a sliding plate 203 is arranged between the two guide rails 202, the sliding plate 203 is connected with the guide rails 202 through a sliding connection assembly 4, a vertical telescopic tube 204 is installed in the middle of the bottom surface of the sliding plate 203 in a penetrating manner, transition joints 205 are installed at the top end of the vertical telescopic tube 204 and positioned inside the air exchange tube 1, adjacent transition joints 205 are connected through a horizontal telescopic tube 206, a connecting tube 207 is installed at the bottom end of the vertical telescopic tube 204, an air exchange plate 208 is installed at the bottom end of the connecting tube 207, a butt joint groove 219 is formed in the middle of one side of the air exchange plate 208, and a butt joint strip 220 is installed at the middle of one side of the air exchange plate 208, which is far away from the butt joint groove 219;
the top surface of the ventilation plate 208 and the bottom surface of the sliding plate 203 are both provided with internal threaded pipes 209, two internal threaded pipes 209 positioned on the same vertical line are respectively arranged at two ends of a stud 210, the middle part of the stud 210 is fixedly sleeved with a rotating ring 211, three sides of the bottom surface of the ventilation plate 208 are all bonded with folding curtains 212, the edge of the top surface of the ventilation plate 208 corresponding to the folding curtains 212 is provided with a reel 213 through a rotating shaft, the middle part of the reel 213 is wound with strings 214, the bottom ends of the strings 214 are equidistantly penetrated through the folding curtains 212, rubber rings 215 are embedded at the positions of the folding curtains 212 corresponding to the strings 214, the folding curtains 212 are formed by aligning and sequentially hinging the ends of a plurality of organic glass plates, the joints of the adjacent organic glass plates are connected and sealed through rubber sheets, the plurality of rubber rings 215 and the organic glass plates are correspondingly penetrated and arranged at the middle parts of the organic glass plates one by one, one end of the ventilation pipe 1 is connected with a suction fan, and the input end of the suction fan is electrically connected with the output end of an external power supply, the intensity and the weight of folding curtain 212 have been guaranteed to the organic glass board, lead to folding curtain 212 range of rocking too big when preventing that scavenge pipe 1 from breathing in, string 214 bottom is connected in bottom plate 216 bottom surface middle part, and bottom plate 216 both ends are all inlayed and are had sucking disc 217, and folding curtain 212 both sides all bond and have sealed silicon rubber piece 218.
The bottom end of the ventilation plate 208 is provided with an accurate ventilation assembly 3 corresponding to the bottom end of the connecting pipe 207, and the accurate ventilation assembly 3 comprises a closed groove 301, a ventilation box 302, a communication hole 303, a rectangular hole 304, a top pipe 305, a middle pipe 306, a bottom pipe 307, a rotating shaft pipe 308, a rubber pipe 309, a ventilation hole 310, a rotating pipe 311, an arc-shaped upper pipe 312, a folding plate 313, an arc-shaped lower pipe 314, a connecting hose 315, an arc-shaped extension pipe 316 and a suction hole 317;
the closed groove 301 is arranged at the position, corresponding to the bottom end of the connecting pipe 207, of the bottom end of the ventilation plate 208, the ventilation box 302 is slidably mounted at both ends of the closed groove 301, the communication hole 303 is formed in the middle of the top surface of the ventilation box 302, the rectangular hole 304 is formed in the bottom end of the ventilation box 302, the top pipe 305 is rotatably mounted in the rectangular hole 304, the middle pipe 306 is rotatably mounted at the bottom end of the top pipe 305, magnetic stripes are bonded on the top surfaces of the top pipe 305 and the middle pipe 306, iron sheets are bonded on the bottom surface of the ventilation plate 208, the top pipe 305 and the middle pipe 306 are fixed when not in use, the bottom pipe 307 is rotatably mounted at the bottom end of the middle pipe 306, the rotating shaft pipe 308 is penetratingly mounted at the connecting part of the top pipe 305, the middle pipe 306 and the bottom pipe 307, the rubber pipe 309 is sleeved outside the rotating shaft pipe 308, the rotating shaft pipe 308 and the rubber pipe 309 are respectively provided with air holes 310, the rotating pipe 311 is rotatably mounted at the bottom end of the bottom pipe 307, one end of the rotating pipe 311 is connected with an arc upper pipe 312, the arc lower pipe 314 is connected with the bottom end of the arc upper pipe 312 through a folding plate 313, the middle parts of the arc-shaped upper pipe 312 and the arc-shaped lower pipe 314 are connected through a connecting hose 315, the two ends of the arc-shaped lower pipe 314 and the two ends of the connecting hose 315 are both slidably penetrated and provided with arc-shaped extension pipes 316, and the inner side positions of the arc-shaped upper pipe 312, the arc-shaped lower pipe 314 and the arc-shaped extension pipes 316 are all provided with air suction holes 317.
The sliding connection assembly 4 comprises a guide rod 401, a support box 402, a spring 403, a push plate 404, an oil filling hole 405, a rubber isolation sheet 406, a sponge strip 407, a ball 408, a translation groove 409, a drawing strip 410 and a pull ring 411;
the guide rods 401 are respectively arranged at the two ends of the two sides of the sliding plate 203, the guide rods 401 positioned at the same side of the sliding plate 203 penetrate through the support box 402, the spring 403 is sleeved at the position, between the sliding plate 203 and the support box 402, of the guide rods 401, one end of each of the two guide rods 401 is positioned inside the support box 402 and is respectively connected with the two ends of the push plate 404, oil filling holes 405 are uniformly formed in the top surface of the support box 402, rubber isolation sheets 406 are uniformly formed in the inner edges of the oil filling holes 405, sponge strips 407 are placed inside the support box 402, and balls 408 are movably embedded in the side surfaces and the bottom surface of the support box 402;
An emergency fire extinguishing component 5 is installed at one end of the top surface of the air exchange plate 208, and the emergency fire extinguishing component 5 comprises a fire extinguishing hole 501, a fire extinguishing box 502, a fire extinguishing bottle 503, an adapter 504, a main pipe 505, a branch pipe 506, a valve 507, a cover plate 508, an installation block 509, a rolling shaft 510, carbon fiber cloth 511, an aluminum-plated film 512 and a counterweight strip 513;
the top surface of the air exchange plate 208 corresponds to the fire extinguishing hole 501 and is provided with a fire extinguishing box 502, the fire extinguishing box 502 is internally provided with a fire extinguishing bottle 503, one end of the fire extinguishing bottle 503 is connected with an adapter 504, one end of the adapter 504 is connected with a main pipe 505, the main pipe 505 corresponds to the fire extinguishing hole 501 and is connected with a branch pipe 506, a valve 507 is arranged at the joint of the adapter 504 and the fire extinguishing bottle 503, a cover plate 508 is arranged at the top end of the fire extinguishing box 502, the air exchange plate 208 is close to two equal fixedly connected installation blocks 509 at the two ends of the edge of the fire extinguishing box 502, the two installation blocks 509 are respectively rotatably arranged at the two ends of a roller 510, the middle part of the roller 510 is wound with a carbon fiber cloth 511, the internal filling of the fire extinguishing bottle 503 is provided with liquid carbon dioxide, the width of the carbon.
The top end of the air exchange tube 1 is provided with an air exchange installation component 6, and the air exchange installation component 6 comprises a vertical slide rail 601, a sliding frame 602, an installation rod 603, an installation plate 604, an air supply tube 605, a butt joint tube 606 and an air supply head 607;
a plurality of perpendicular slide rails 601 pass through the screw mounting on 1 top of scavenge pipe, the inside slidable mounting of perpendicular slide rail 601 has carriage 602, carriage 602 top surface mid-welding has installation pole 603, the welding of installation pole 603 top has mounting panel 604, the inside slidable mounting of carriage 602 has blast pipe 605, the welding of blast pipe 605 one end has butt joint pipe 606, the butt joint pipe 606 outside agrees with blast pipe 605 inner wall, blast pipe 605 and forced draught blower air-out end link to each other, the forced draught blower input links to each other with external power supply output electrical property, be convenient for connect blast pipe 605, guarantee the air supply effect, blast head 607 is all installed at blast pipe 605 bottom surface both ends.
The working principle and the using process of the invention are as follows: firstly, a mounting plate 604 is connected with the top surface of a laboratory, a sliding frame 602 and a mounting rod 603 are mounted, the sliding frame 602 is slidably mounted inside a vertical sliding rail 601, an air supply pipe 605 penetrates through the sliding frame 602, the air supply pipe 605 is in end-to-end butt joint through a butt joint pipe 606 to complete splicing, the longitudinal adjustability of the ventilation system is ensured, and one end of a horizontal telescopic pipe 206 is connected with a suction fan to complete mounting;
the sliding plate 203 is moved along the guide opening 201, the horizontal extension tube 206 is deformed at the moment, the transverse adjustability of the ventilation system is ensured, the distance between the ventilation plates 208 is conveniently changed, the rotating ring 211 in the middle of the stud 210 is rotated, the internal threaded tube 209 is pulled to move, the height of the ventilation plates 208 is adjusted according to experimental equipment, the butt joint groove 219 is aligned with the butt joint strip 220 to be connected, a plurality of ventilation plates 208 are spliced, the ventilation range is adjusted according to the size of the experimental range, the exhaust effect is ensured, the folded curtains 212 at the bottom edge of the ventilation plates 208 after splicing are pulled, the strings 214 in the middle of the reels 213 limit the folded curtains 212, the folded curtains 212 are fixed by using the friction resistance between the rubber rings 215 and the strings 214, the sealing silicon rubber sheets 218 between the adjacent folded curtains 212 are mutually contacted and deformed to seal, and then the sucking discs 217 at the bottom of the bottom plate 216 are used for adsorbing and fixing the smooth experimental table top, the temporary similar fume hood structure is combined, the volume of the fume hood is adjustable, a plurality of groups of experiments can be performed conveniently and orderly, and the experiment operation is more convenient;
when a small-range part of an experiment needs to be ventilated, the ventilation boxes 302 in the closed groove 301 are pushed, the two ventilation boxes 302 are combined to close the bottom end of the connecting pipe 207, the communication hole 303 and the rectangular hole 304 replace the original bottom end of the connecting pipe 207 to ventilate, then the top pipe 305, the middle pipe 306 and the bottom pipe 307 are pulled, the arc-shaped upper pipe 312 and the arc-shaped lower pipe 314 are adjusted to align with the ventilation position, the arc-shaped extension pipe 316 is pulled to expand the inspiration range, the connecting pipe 207, the ventilation boxes 302, the top pipe 305, the middle pipe 306, the bottom pipe 307, the reinforced arc-shaped upper pipe 312, the connecting hose 315 and the arc-shaped lower pipe 314 form a ventilation passage, the joint of the top pipe 305 and the middle pipe 306 is limited by the friction force at the joint of the rubber pipe 309 outside the rotating pipe 308, the ventilation effect in the arc-shaped upper pipe 312 and the arc-shaped lower pipe 314 is reinforced, the ventilation effect in the small range is better, and the leaked gas is prevented from influencing the experiment operation, the safety effect is better;
the support boxes 402 are embedded into the guide rails 202 in a sliding mode, so that the sliding plates 203 are convenient to move, the pull rings 411 are pulled, the pull strips 410 slide along the translation grooves 409, the distance between the support boxes 402 is reduced, the support boxes 402 are separated from the guide rails 202, the sliding plates 203 are convenient to disassemble, the ventilation plates 208 are convenient to disassemble while moving and combining, overhauling and cleaning are convenient, and ventilation effect is guaranteed;
during experiment, if fire happens due to an accident, the counterweight strip 513 can be pulled until the counterweight strip 513 contacts the tabletop of the experiment table, two sides of the carbon fiber cloth 511 contact the sealing silicon rubber sheets 218 on two sides of the folding curtain 212, the carbon fiber cloth 511 is matched with the folding curtain 212 to form a relatively closed environment to isolate the fire, the aluminized film 512 protects the carbon fiber cloth 511, then the valve 507 is opened, carbon dioxide in the fire extinguishing bottle 503 is guided into the bottom surface of the air exchange plate 208 through the main pipe 505 and the branch pipe 506, at the moment, air exchange is still carried out, the density of the carbon dioxide is higher than that of air, the carbon dioxide can sink rapidly, air is extruded and discharged, combustion is prevented, the fire extinguishing effect is achieved, the carbon dioxide can serve as protective gas, harmful gas diffusion is prevented, and the safety effect is better;
to sum up, utilize flexible exhaust subassembly 2's adjustment concatenation, thereby form adjustable range's the cabinet structure of ventilating, the convenient implementation of experiment, the ventilation effect of minizone has further been reinforceed to accurate subassembly 3 of taking a breath, change with the taking a breath of minizone on a large scale, thereby ventilation system's functionality has been reinforceed, sliding connection subassembly 4 cooperates flexible exhaust subassembly 2 to use, the maintenance has been made things convenient for when removing more smoothly, the folding curtain 212 of the flexible exhaust subassembly 2 part of 5 cooperation of the subassembly of promptly putting out a fire, prevent the harmful gas diffusion when effectively putting out a fire, thereby the security has been improved, ventilation system adjustable range has further been extended to installation of taking a breath subassembly 6, thereby facilitate the use more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A based on telescopic air exchange system is used in laboratory ventilation, includes scavenge pipe (1), its characterized in that: the air exchanging pipe is characterized in that a telescopic exhaust component (2) is mounted at the bottom end of the air exchanging pipe (1), and the telescopic exhaust component (2) comprises a guide opening (201), a guide rail (202), a sliding plate (203), a vertical telescopic pipe (204), a transition joint (205), a horizontal telescopic pipe (206), a connecting pipe (207), an air exchanging plate (208), an internal threaded pipe (209), a stud (210), a rotating ring (211), a folding curtain (212), a winding wheel (213), a string (214), a rubber ring (215), a bottom plate (216), a suction cup (217), a sealing silicon rubber sheet (218), a butt joint groove (219) and a butt joint strip (220);
the guide opening (201) is arranged at the bottom end of the air exchanging pipe (1), guide rails (202) are respectively arranged at the bottom end of the air exchanging pipe (1) corresponding to the two sides of the guide opening (201), a sliding plate (203) is arranged between the two guide rails (202), the sliding plate (203) is connected with the guide rail (202) through a sliding connection component (4), a vertical extension tube (204) is arranged in the middle of the bottom surface of the sliding plate (203) in a penetrating way, transition joints (205) are arranged at the top ends of the vertical telescopic pipes (204) and positioned in the air exchanging pipes (1), adjacent transition joints (205) are connected through horizontal telescopic pipes (206), the bottom end of the vertical extension tube (204) is provided with a connecting tube (207), the bottom end of the connecting tube (207) is provided with an air exchange plate (208), a butt joint groove (219) is formed in the middle of one side of the air exchange plate (208), and a butt joint strip (220) is arranged in the middle of one side, far away from the butt joint groove (219), of the air exchange plate (208);
the top surface of the air exchange plate (208) and the bottom surface of the sliding plate (203) are both provided with internal threaded pipes (209), two internal threaded pipes (209) positioned on the same vertical line are respectively arranged at two ends of a stud (210), a rotating ring (211) is fixedly sleeved in the middle of the stud (210), folding curtains (212) are bonded at three side positions of the bottom surface of the air exchange plate (208), the edge of the top surface of the ventilation plate (208) corresponding to the folding curtain (212) is provided with a reel (213) through a rotating shaft, a string (214) is wound in the middle of the reel (213), the bottom end of the string (214) penetrates through the folding curtain (212) at equal intervals, rubber rings (215) are embedded at the positions of the folding curtains (212) corresponding to the strings (214), the bottom end of the string (214) is connected with the middle part of the bottom surface of the bottom plate (216), both ends of the bottom plate (216) are inlaid with a sucker (217), and sealing silicon rubber sheets (218) are bonded on both sides of the folding curtain (212).
2. The telescopic ventilation system for laboratory ventilation as claimed in claim 1, wherein the folding curtain (212) is formed by aligning and sequentially hinging the end parts of a plurality of organic glass plates, the joints of the adjacent organic glass plates are connected and sealed through rubber sheets, a plurality of rubber rings (215) and the organic glass plates are installed in the middle of the organic glass plates in a one-to-one correspondence manner, one end of the ventilation tube (1) is connected with a suction fan, and the input end of the suction fan is electrically connected with the output end of an external power supply.
3. The telescopic ventilation system for laboratory ventilation as claimed in claim 1, wherein a precise ventilation assembly (3) is installed at a position, corresponding to the bottom end of the connecting pipe (207), of the bottom end of the ventilation plate (208), and the precise ventilation assembly (3) comprises a closed slot (301), a ventilation box (302), a communication hole (303), a rectangular hole (304), a top pipe (305), a middle pipe (306), a bottom pipe (307), a rotating shaft pipe (308), a rubber pipe (309), a ventilation hole (310), a rotating pipe (311), an arc-shaped upper pipe (312), a folding plate (313), an arc-shaped lower pipe (314), a connecting hose (315), an arc-shaped extension pipe (316) and a suction hole (317);
the sealing groove (301) is arranged at the position, corresponding to the bottom end of the connecting pipe (207), of the bottom end of the air exchange plate (208), the air exchange boxes (302) are arranged at the two ends of the sealing groove (301) in a sliding mode, the communication hole (303) is formed in the middle of the top surface of the air exchange boxes (302), the rectangular hole (304) is formed in the bottom end of the air exchange boxes (302), the top pipe (305) is installed in the rectangular hole (304) in a rotating mode, the middle pipe (306) is installed at the bottom end of the top pipe (305) in a rotating mode, the bottom pipe (307) is installed at the bottom end of the middle pipe (306) in a rotating mode, the rotating shaft pipe (308) is installed at the connecting position of the top pipe (304) in a penetrating mode, the rubber pipe (309) is sleeved on the outer side of the rotating shaft pipe (308), the air holes (310) are formed in the positions of the rotating shaft pipe (308) and the rubber pipe (309), the rotating shaft pipe (311) is installed at the bottom end of the bottom pipe (307) in a rotating mode, rotating tube (311) one end is connected with arc upper tube (312), arc upper tube (312) bottom is connected with arc lower tube (314) through folded sheet (313), arc upper tube (312) and arc lower tube (314) middle part are connected through coupling hose (315), arc lower tube (314) and coupling hose (315) both ends all slide to run through and install arc extension pipe (316), suction hole (317) have all been seted up to arc upper tube (312), arc lower tube (314) and arc extension pipe (316) inboard position department.
4. The telescopic ventilation system for laboratory ventilation as claimed in claim 3, wherein the top surfaces of the top pipe (305) and the middle pipe (306) are both adhered with magnetic stripes, and the bottom surface of the ventilation plate (208) is adhered with iron sheets corresponding to the magnetic stripes.
5. The telescopic ventilation system for laboratory ventilation according to claim 1, characterized in that the sliding connection assembly (4) comprises a guide bar (401), a support box (402), a spring (403), a push plate (404), an oil filling hole (405), a rubber spacer (406), a sponge strip (407), a ball (408), a translation slot (409), a pull strip (410) and a pull ring (411);
the guide bars (401) are respectively installed at two ends of a sliding plate (203), the guide bars (401) located on the same side of the sliding plate (203) penetrate through a support box (402), springs (403) are sleeved at positions, located between the sliding plate (203) and the support box (402), of the guide bars (401), one ends of the two guide bars (401) are located inside the support box (402) and are respectively connected to two ends of a push plate (404), oil filling holes (405) are uniformly formed in the top surface of the support box (402), rubber isolation sheets (406) are uniformly formed in the inner edges of the oil filling holes (405), sponge strips (407) are placed inside the support box (402), and balls (408) are movably embedded in the side surface and the bottom surface of the support box (402);
translational grooves (409) are formed in two ends of the sliding plate (203), pulling strips (410) are mounted at two ends of the translational grooves (409) in a sliding mode, one ends of the pulling strips (410) are fixedly connected to one end of the supporting box (402), and pull rings (411) are connected to the other ends of the pulling strips (410).
6. The retractable ventilation system for laboratory based ventilation as claimed in claim 5, wherein said pull strip (410) fits into a translational slot (409) and the top surface of said sliding plate (203) is flush with the top surface of said support box (402).
7. The telescopic ventilation system for laboratory ventilation according to claim 1, characterized in that an emergency fire extinguishing component (5) is installed at one end of the top surface of the ventilation plate (208), and the emergency fire extinguishing component (5) comprises a fire extinguishing hole (501), a fire extinguishing box (502), a fire extinguishing bottle (503), an adapter (504), a main pipe (505), branch pipes (506), a valve (507), a cover plate (508), a mounting block (509), a roller (510), carbon fiber cloth (511), an aluminum-plated film (512) and a weight bar (513);
the utility model discloses a fire extinguishing box, including breather plate (208), adapter (504), house tube (509), adapter (505), house tube (505), valve (507) are installed to adapter (504) and fire extinguishing bottle (503) junction, apron (508) are installed on the top of fire extinguishing box (502), breather plate (208) inboard bonding has aluminizer (512) near the equal fixedly connected with in fire extinguishing box (502) edge both ends, two installation piece (509) rotate respectively and install in roller (510) both ends, roller (510) middle part winding has carbon cloth (511), carbon cloth (511) inboard bonding has aluminizer (512), and a counterweight strip (513) is bonded at the bottom end of the carbon fiber cloth (511).
8. Telescopic ventilation system for laboratory based ventilation according to claim 7, characterized in that the fire extinguishing bottle (503) is filled with liquid carbon dioxide inside, and the width of the carbon fiber cloth (511) is equal to the width of the ventilation plate (208).
9. The telescopic ventilation system for laboratory ventilation according to claim 1, characterized in that the ventilation tube (1) is provided with a ventilation mounting assembly (6) at the top end, and the ventilation mounting assembly (6) comprises a vertical slide rail (601), a sliding frame (602), a mounting rod (603), a mounting plate (604), a blast pipe (605), a butt pipe (606) and a blast head (607);
a plurality of perpendicular slide rail (601) pass through the screw mounting on scavenge pipe (1) top, the inside slidable mounting of perpendicular slide rail (601) has carriage (602), carriage (602) top surface middle part welding has installation pole (603), installation pole (603) top welding has mounting panel (604), the inside slidable mounting of carriage (602) has blast pipe (605), blast pipe (605) one end welding has butt joint pipe (606), blast head (607) are all installed at blast pipe (605) bottom surface both ends.
10. The retractable ventilation system for laboratory ventilation as claimed in claim 9, wherein the outer side of the butt pipe (606) fits the inner wall of the blast pipe (605), the blast pipe (605) is connected to the outlet of the blower, and the input of the blower is electrically connected to the output of the external power supply.
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| CN202110661841.7A CN113333422B (en) | 2021-06-15 | 2021-06-15 | Telescopic ventilation system for ventilation based on laboratory |
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| CN202110661841.7A CN113333422B (en) | 2021-06-15 | 2021-06-15 | Telescopic ventilation system for ventilation based on laboratory |
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| CN113333422B (en) | 2022-09-30 |
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Effective date of registration: 20220901 Address after: 2nd Floor, Building C, No. 8 Puliu Road, Nanjing Huiwen Creative Industry Park, Jiangbei New District, Nanjing City, Jiangsu Province 211899 Applicant after: Jiangsu Wanrong system integration Co.,Ltd. Address before: 310000 luhou Industrial Park, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Zhuang Haoxin |
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