CN113082883A - Laboratory fire control fume extractor - Google Patents
Laboratory fire control fume extractor Download PDFInfo
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- CN113082883A CN113082883A CN202110344285.0A CN202110344285A CN113082883A CN 113082883 A CN113082883 A CN 113082883A CN 202110344285 A CN202110344285 A CN 202110344285A CN 113082883 A CN113082883 A CN 113082883A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a laboratory fire-fighting smoke exhaust device which comprises a smoke exhaust device main body component, wherein an exhaust fan is fixedly arranged in the middle of the outer wall of the right side of the smoke exhaust device main body component, a filter screen component is fixedly arranged on the outer wall of the left side of the smoke exhaust device main body component, two groups of semi-automatic locking mechanisms are fixedly arranged on the front side and the rear side of the outer wall of the left side of the smoke exhaust device main body component, a one-way exhaust mechanism is fixedly arranged on the outer wall of the right side of the exhaust fan, and a smoke exhaust pipe is fixedly arranged. According to the laboratory fire-fighting smoke exhaust device, due to the arrangement of the filter screen assembly, smoke in a laboratory enters the smoke exhaust device main body assembly through the filter screen assembly, impurities such as harmful gas in the smoke are adsorbed and filtered by the filter screen assembly, the harm to the external environment caused by the discharge of the harmful gas is effectively prevented, meanwhile, the damage to internal electric devices is also prevented, and a better use prospect is brought.
Description
Technical Field
The invention relates to the field of fire-fighting smoke exhaust devices, in particular to a laboratory fire-fighting smoke exhaust device.
Background
The smoke preventing and exhausting system consists of air exhausting pipeline, pipe well, fireproof valve, door switch, smoke exhauster and other equipment. The smoke-proof system is arranged in a positive pressure manner in the staircase, the smoke discharge amount of the mechanical smoke-discharging system is directly related to a smoke-proof subarea, and smoke-proof facilities of a high-rise building are divided into a smoke-proof facility for mechanically pressurizing and supplying air and a natural smoke-discharging facility for opening an external window.
Current laboratory fire control fume extractor does not possess filter mechanism when the installation is used for the harmful gas who produces discharges, causes the further pollution of external environment, and does not have one-way exhaust mechanism, causes the smog backward flow, and smoke exhaust efficiency is low, and the use of giving people has brought certain adverse effect, for this reason, we provide a laboratory fire control fume extractor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a laboratory fire-fighting smoke exhaust device which has the advantages of easy disassembly and assembly of a filter screen mechanism, a one-way exhaust mechanism and the like, and can effectively solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a laboratory fire control fume extractor, includes fume extractor main part subassembly, the middle part fixed mounting of fume extractor main part subassembly right side outer wall has the exhaust fan, the left side outer wall fixed mounting of fume extractor main part subassembly has the filter screen subassembly, both sides fixed mounting has two sets of semi-automatic locking mechanism around the outer wall of fume extractor main part subassembly left side, exhaust fan right side outer wall fixed mounting has one-way exhaust mechanism, one-way exhaust mechanism right side outer wall fixed mounting has the pipe of discharging fume.
Preferably, the fume extractor main part subassembly includes fume extractor main part, filter screen subassembly mounting groove, semi-automatic locking mechanism mounting groove and row's cigarette groove, filter screen subassembly mounting groove has been seted up to fume extractor main part left side outer wall, two sets of semi-automatic locking mechanism mounting grooves have been seted up to both sides around the fume extractor main part left side outer wall, row's cigarette groove has been seted up at the middle part of filter screen subassembly mounting groove right side inner wall.
Preferably, the semi-automatic locking mechanism comprises a locking mechanism supporting main body, a fixed connecting rod assembly, a first spring, a fixed sliding block assembly and a fixed swing arm mechanism, wherein the locking mechanism supporting main body comprises a locking mechanism fixing seat, a sliding block movable groove, limiting grooves, a swing arm rotating shaft, a fixed connecting rod assembly movable flat groove and a magnet, the swing arm rotating shaft is fixedly installed at the rear side of the outer wall at the left side of the locking mechanism fixing seat, a sliding block movable groove is formed in the outer wall at the right side of the locking mechanism fixing seat, two groups of limiting grooves are fixedly formed in the inner walls at the upper side and the lower side of the sliding block movable groove, a fixed connecting rod assembly movable flat groove is formed in the inner wall at the right side of the sliding block movable groove, a fixed connecting rod assembly movable inclined groove is formed in the inner wall at the front side of the, the slider movable groove rear side inner wall fixed mounting has first spring, first spring front side outer wall fixed mounting has fixed sliding block set spare, the front side fixed mounting of fixed sliding block set spare right side outer wall has fixed link assembly, fixed sliding block set spare left side outer wall is provided with fixed swing arm mechanism, fixed swing arm mechanism one end inner wall passes through swing arm pivot and locking mechanism support main part swing joint.
Preferably, the fixed connecting rod assembly comprises a movable connecting rod, a filter screen assembly fixing block and a rotating shaft, the filter screen assembly fixing block is fixedly mounted on the front side of the outer wall on the left side of the movable connecting rod, and two sets of rotating shafts are fixedly mounted on the rear sides of the outer walls on the two sides of the upper side of the rotating shaft.
Preferably, fixed slider assembly includes first slider, fixed block, regulation fixed slot, push rod, dog and first pivot fixed block, the regulation fixed slot has been seted up to first slider left side outer wall, the rear side fixed mounting of both sides outer wall has two sets of fixed blocks about the first slider, the middle part fixed mounting of first slider front side outer wall has the push rod, push rod front side outer wall fixed mounting has the dog, the front side fixed mounting of first slider right side outer wall has two sets of first pivot fixed blocks, fixed link assembly is through pivot and first pivot fixed block swing joint, fixed swing arm mechanism includes swing arm and roller, the roller runs through the swing arm front end, roller middle part outer wall and swing arm swing joint, the roller is located inside the regulation fixed slot.
Preferably, the one-way exhaust mechanism comprises a one-way exhaust main body, an airtight cover, a second rotating shaft fixing block, an elastic column mechanism, a hinge, a sealing baffle, a fourth rotating shaft fixing block, a smoke exhaust port and a smoke inlet.
Preferably, fixed mounting all around of one-way exhaust main part middle part outer wall has airtight cover, the exhaust port has been seted up at the middle part of airtight cover right side outer wall, the right side fixed mounting of one-way exhaust main part upside both sides outer wall has two sets of seal baffle, and is two sets of seal baffle passes through hinge and one-way exhaust main part swing joint, the smoke inlet has been seted up at the middle part of one-way exhaust main part left side outer wall, two sets of second pivot fixed blocks of both sides inner wall fixed mounting about the one-way exhaust main part, seal baffle left side outer wall fixed mounting has the fourth pivot fixed block, pivot and second pivot fixed block swing joint are passed through to elasticity post mechanism one end, the elasticity post mechanism other end is through pivot and fourth pivot fixed block swing joint.
Preferably, elasticity post mechanism includes elasticity post support housing, movable groove, third pivot fixed block, movable rod, second slider and second spring, the inside movable groove that is provided with of elasticity post support housing, elasticity post support housing bottom outer wall fixed mounting has third pivot fixed block, movable groove bottom inner wall fixed mounting has the second spring, second spring top outer wall fixed mounting has the second slider, second slider top outer wall fixed mounting has the movable rod, third pivot fixed block is installed at movable rod top outer wall valley bottom.
(III) advantageous effects
Compared with the prior art, the invention provides a laboratory fire-fighting smoke exhaust device, which has the following beneficial effects:
1. this laboratory fire control fume extractor, through the filter screen subassembly that sets up, in smog in the laboratory passed through filter screen subassembly entering fume extractor main part subassembly, the filter screen subassembly adsorbs impurity such as its gas of harmful in smog, and the effectual harmful gas that has prevented discharges and causes the harm of external environment, also protects the damage of inside electrical part simultaneously.
2. The laboratory fire-fighting smoke discharging device is characterized in that a semi-automatic locking mechanism is arranged, when a filter screen component needs to be replaced and cleaned, the filter screen component is only required to be pressed into a filter screen component mounting groove, the filter screen component abuts against a stop block to drive a fixed sliding block component to inwards compress a first spring to move, a roller shaft on a fixed swing arm mechanism moves along an adjusting fixing groove and moves into a groove rail on the upper side of the adjusting fixing groove, the filter screen component is stopped to be pressed, the first spring rebounds to drive the fixed sliding block component to move outwards, the stop block on the fixed sliding block component abuts against the filter screen component to move outwards, the roller shaft slides in the groove on the upper side of the adjusting fixing groove at the same time, the roller shaft moves into the last side of the adjusting fixing groove and is fixed, a fixed connecting rod component is driven to move outwards while the fixed sliding, because the fixed connecting rod component is made of iron, the magnet inside the fixed connecting rod component is adsorbed with the fixed connecting rod component, the fixed connecting rod component overturns and moves into the movable chute of the fixed connecting rod component, a filter screen component fixed block on the fixed connecting rod component is separated from a filter screen component fixed groove on the filter screen component, the moved filter screen component is taken out for cleaning or replacement, the replaced filter screen component is aligned with the filter screen component mounting groove and pressed inwards, the filter screen component drives the stop block to enable the fixed sliding block component to move inwards, the first spring on the compressed side of the fixed sliding block component moves backwards, the roller shaft on the fixed swing arm mechanism slides into the lower side groove of the adjusting fixed groove, the roller shaft moves into the foremost side groove of the adjusting fixed groove from the lower side groove of the adjusting fixed groove and is fixed, when the fixed sliding block component, make the filter screen subassembly fixed block on the fixed link assembly move into on the filter screen subassembly fixed slot, make filter screen subassembly fixed mounting in filter screen subassembly mounting groove, this mechanism dismouting is convenient, the convenient change.
3. This laboratory fire control fume extractor, through the one-way exhaust mechanism who sets up, during smog gets into one-way exhaust main part through advancing the mouth, promote seal baffle and make seal baffle overturn the expansion to the right side along the hinge, seal baffle drives the movable rod and removes tensile, the movable rod drives the second slider and removes the second spring of tensile bottom along the movable groove, make the second spring produce elastic potential energy, smog flows into the exhaust port through one-way exhaust main part simultaneously, flow into the exhaust pipe from the exhaust port again, through the outside of exhaust pipe discharge laboratory, when discharging fume the completion, the exhaust fan and power disconnection, the second spring contracts because of elastic potential energy, drive second slider rearward movement, make the second slider drive the movable rod and remove, the movable rod pulling seal baffle upset is closed, the effectual flue gas backward flow that has prevented, safety in the laboratory has been guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of a laboratory fire-fighting smoke exhaust device of the present invention.
Fig. 2 is a partial exploded view of a laboratory fire protection and smoke evacuation system of the present invention.
Fig. 3 is a schematic view of the overall structure of the semi-automatic locking mechanism of the fire-fighting and smoke-discharging device in the laboratory.
Fig. 4 is an exploded view of the semi-automatic locking mechanism of the laboratory fire protection and smoke exhaust device of the present invention.
Fig. 5 is a schematic view of a fixed installation state of a filter screen assembly of the laboratory fire-fighting smoke exhaust device.
Fig. 6 is a schematic diagram showing a filter screen assembly of a laboratory fire protection and smoke exhaust apparatus in a disassembled and popped state.
Fig. 7 is a schematic view of the closed state of the one-way exhaust mechanism of the laboratory fire-fighting smoke exhaust device.
Fig. 8 is a schematic view of the open state of the one-way exhaust mechanism of the laboratory fire-fighting smoke exhaust device according to the present invention.
Fig. 9 is a schematic diagram of the internal structure of the elastic column mechanism of the fire-fighting smoke exhaust device in the laboratory.
In the figure: 1. a fume extractor body assembly; 101. a fume extractor body; 102. a filter screen assembly mounting groove; 103. a semi-automatic locking mechanism mounting groove; 104. a smoke exhaust groove; 2. a semi-automatic locking mechanism; 201. a locking mechanism support body; 2011. a locking mechanism fixing seat; 2012. a slider movable slot; 2013. a limiting groove; 2014. a swing arm rotating shaft; 2015. a movable flat groove of the fixed connecting rod assembly; 2016. a movable chute of the fixed connecting rod assembly; 2017. a magnet; 202. a fixed link assembly; 2021. a movable connecting rod; 2022. a filter screen component fixing block; 2023. a rotating shaft; 203. a first spring; 204. fixing the sliding block component; 2041. a first slider; 2042. a fixed block; 2043. adjusting the fixing groove; 2044. a push rod; 2045. a stopper; 2046. a first rotating shaft fixing block; 205. fixing a swing arm mechanism; 2051. swinging arms; 2052. a roll shaft; 3. a screen assembly; 301. a filter screen fixing frame; 302. a filter screen component fixing groove; 303. a filter screen; 4. an exhaust fan; 5. a one-way exhaust mechanism; 501. a one-way exhaust body; 502. an airtight cover; 503. a second rotating shaft fixing block; 504. an elastic column mechanism; 5041. an elastic column support housing; 5042. a movable groove; 5043. a third rotating shaft fixing block; 5044. a movable rod; 5045. a second slider; 5046. a second spring; 505. a hinge; 506. sealing the baffle; 507. a fourth rotating shaft fixing block; 508. a smoke outlet; 509. a smoke inlet; 6. a smoke exhaust pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-9, a laboratory fire protection and smoke exhaust device comprises a smoke exhaust device main body assembly 1, an exhaust fan 4 is fixedly installed in the middle of the outer wall of the right side of the smoke exhaust device main body assembly 1, a filter screen assembly 3 is fixedly installed on the outer wall of the left side of the smoke exhaust device main body assembly 1, two sets of semi-automatic locking mechanisms 2 are fixedly installed on the front side and the rear side of the outer wall of the left side of the smoke exhaust device main body assembly 1, a one-way exhaust mechanism 5 is fixedly installed on the outer wall of the right side of the exhaust fan 4, and a smoke exhaust pipe 6.
Further, fume extractor main part subassembly 1 includes fume extractor main part 101, filter screen subassembly mounting groove 102, semi-automatic locking mechanism mounting groove 103 and exhaust fume groove 104, and filter screen subassembly mounting groove 102 has been seted up to fume extractor main part 101 left side outer wall, and two sets of semi-automatic locking mechanism mounting grooves 103 have been seted up to fume extractor main part 101 left side outer wall front and back both sides, and exhaust fume groove 104 has been seted up at the middle part of filter screen subassembly mounting groove 102 right side inner wall.
Further, the semi-automatic locking mechanism 2 comprises a locking mechanism supporting main body 201, a fixed connecting rod assembly 202, a first spring 203, a fixed slider assembly 204 and a fixed swing arm mechanism 205, wherein the locking mechanism supporting main body 201 comprises a locking mechanism fixing seat 2011, a slider movable groove 2012, a limiting groove 2013, a swing arm rotating shaft 2014, a fixed connecting rod assembly movable flat groove 2015 and a magnet 2017, the rear side of the outer wall of the left side of the locking mechanism fixing seat 2011 is fixedly provided with a swing arm rotating shaft 2014, the outer wall of the right side of the locking mechanism fixing seat 2011 is provided with a slider movable groove 2012, the inner walls of the upper and lower sides of the slider movable groove 2012 are fixedly provided with two groups of limiting grooves 2013, the inner wall of the right side of the slider movable groove 2012 is provided with a fixed connecting rod assembly movable flat groove 2015, the inner wall of the front side of the fixed connecting rod assembly movable flat, fixed link assembly activity chute 2016 right side inner wall fixed mounting has magnet 2017, slider activity chute 2012 rear side inner wall fixed mounting has first spring 203, first spring 203 front side outer wall fixed mounting has fixed slider component 204, the front side fixed mounting of fixed slider component 204 right side outer wall has fixed link assembly 202, fixed slider component 204 left side outer wall is provided with fixed swing arm mechanism 205, fixed swing arm mechanism 205 one end inner wall passes through swing arm pivot 2014 and locking mechanism supports main part 201 swing joint, be convenient for filter screen subassembly 3's fixed mounting.
Further, the fixed link assembly 202 includes a movable link 2021, a filter screen assembly fixing block 2022 and a rotating shaft 2023, the filter screen assembly fixing block 2022 is fixedly installed at the front side of the outer wall of the left side of the movable link 2021, two sets of rotating shafts 2023 are fixedly installed at the rear sides of the outer walls of the two sides of the upper side of the rotating shaft 2023, and the movable link 2021 is convenient to rotate through the arranged movable link 2021, so that the filter screen assembly fixing block 2022 is fixed in the filter screen assembly fixing groove 302.
Further, the fixed slide block assembly 204 includes a first slide block 2041, a fixed block 2042, an adjusting fixed groove 2043, a push rod 2044, a stopper 2045 and a first rotating shaft fixed block 2046, the left outer wall of the first slide block 2041 is provided with the adjusting fixed groove 2043, the rear sides of the upper and lower outer walls of the first slide block 2041 are fixedly provided with two groups of fixed blocks 2042, the middle part of the front outer wall of the first slide block 2041 is fixedly provided with the push rod 2044, the front outer wall of the push rod 2044 is fixedly provided with the stopper 2045, the front side of the right outer wall of the first slide block 2041 is fixedly provided with two groups of first rotating shaft fixed blocks 2046, the fixed connecting rod assembly 202 is movably connected with the first rotating shaft fixed block 2046 through a rotating shaft 2023, the fixed swing arm mechanism 205 includes a swing arm 2051 and a roller shaft 2052, the roller shaft 2052 penetrates through the front end of the swing arm 205, the fixed slider assembly 204 is intermittently fixed while moving by the provision of the regulation fixing groove 2043.
Further, the one-way exhaust mechanism 5 comprises a one-way exhaust main body 501, an airtight cover 502, a second rotating shaft fixing block 503, an elastic column mechanism 504, a hinge 505, a sealing baffle 506, a fourth rotating shaft fixing block 507, a smoke outlet 508 and a smoke inlet 509, so that smoke flows out in a one-way manner and is prevented from flowing back.
Further, all around fixed mounting of one-way exhaust main part 501 middle part outer wall has airtight cover 502, the exhaust port 508 has been seted up at the middle part of airtight cover 502 right side outer wall, the right side fixed mounting of one-way exhaust main part 501 upside both sides outer wall has two sets of seal baffle 506, two sets of seal baffle 506 pass through hinge 505 and one-way exhaust main part 501 swing joint, smoke inlet 509 has been seted up at the middle part of one-way exhaust main part 501 left side outer wall, two sets of second pivot fixed blocks 503 are installed to one-way exhaust main part 501 upper and lower both sides inner wall fixed mounting, seal baffle 506 left side outer wall fixed mounting has fourth pivot fixed block 507, elastic column mechanism 504 one end is through pivot and second pivot fixed block 503 swing joint, elastic column mechanism 504 other end is through pivot and fourth pivot fixed block 507 swing joint, prevent smog backward flow.
Further, the elastic column mechanism 504 includes an elastic column support housing 5041, a movable groove 5042, a third rotating shaft fixing block 5043, a movable rod 5044, a second slider 5045 and a second spring 5046, the elastic column support housing 5041 is internally provided with the movable groove 5042, the elastic column support housing 5041 is fixedly provided with the third rotating shaft fixing block 5043 on the outer wall of the bottom, the movable groove 5042 is fixedly provided with the second spring 5046 on the inner wall of the bottom, the second slider 5045 is fixedly provided with the second slider 5046 on the outer wall of the top, the second slider 5045 is fixedly provided with the movable rod 5044 on the outer wall of the top, the third rotating shaft fixing block 5043 is arranged on the outer wall valley bottom of the top of the movable rod 5044, and the second slider 5045 is moved more stably and does not deviate in the elastic column support housing 5041 through the movable.
Principle of operation
The invention comprises a smoke exhaust device main body component 1, a smoke exhaust device main body 101, a filter screen component mounting groove 102, a semi-automatic locking mechanism mounting groove 103, a smoke exhaust groove 104, a semi-automatic locking mechanism 2, a locking mechanism supporting main body 201, a locking mechanism fixing seat 2011, a slide block movable groove 2012, a limiting groove 2013, a swing arm rotating shaft 2014, a fixed connecting rod component movable flat groove 2015, a fixed connecting rod component movable chute 2016, a magnet 2017, a fixed connecting rod component 202, a movable connecting rod 2021, a filter screen component fixing block 2022, a rotating shaft 2023, a first spring 203, a fixed slide block component 204, a first slide block 2041, a fixing block 2042, an adjusting fixing groove 2043, a push rod 2044, a baffle 2045, a first rotating shaft fixing block 2046, a fixed swing arm mechanism 205, a swing arm 2051, a roller shaft 2052, a filter screen component 3, a filter screen fixing frame 301, a filter screen component, The air-tight cover 502, the second rotating shaft fixing block 503, the elastic column mechanism 504, the elastic column support casing 5041, the movable groove 5042, the third rotating shaft fixing block 5043, the movable rod 5044, the second slider 5045, the second springs 5046 and 505 and the hinge; 506. sealing the baffle; 507. a fourth rotating shaft fixing block; 508. a smoke outlet; 509. when fire or accident happens in a laboratory, the smoke exhaust device works, the exhaust fan 4 is electrically connected with a power supply, the exhaust fan 4 starts to work, smoke in the laboratory enters the smoke exhaust device main body component 1 through the filter screen component 3, the filter screen component 3 adsorbs and filters impurities such as harmful gas in the smoke, the smoke enters the one-way exhaust mechanism 5 through the exhaust fan 4, the smoke enters the one-way exhaust main body 501 through the smoke inlet 509, the sealing baffle 506 is pushed to enable the sealing baffle 506 to turn and unfold towards the right side along the hinge 505, the sealing baffle 506 drives the movable rod 5044 to move and stretch, the movable rod 5044 drives the second sliding block 5045 to move and stretch the second spring 5046 at the bottom along the movable groove 5042, the second spring 5046 generates elastic potential energy, meanwhile, the smoke flows into the smoke exhaust port 508 through the one-way exhaust main body 501 and then flows into the smoke exhaust pipe 6 from the smoke exhaust port 508, the smoke is discharged out of the laboratory through the smoke exhaust pipe 6, when smoke exhaust is finished, the exhaust fan 4 is disconnected with a power supply, the second spring 5046 retracts due to elastic potential energy to drive the second sliding block 5045 to move backwards, so that the second sliding block 5045 drives the movable rod 5044 to move, the movable rod 5044 pulls the sealing baffle 506 to turn over and close, smoke backflow is effectively prevented, safety in the laboratory is guaranteed, when the filter screen assembly 3 needs to be replaced and cleaned, the filter screen assembly 3 only needs to be pressed into the filter screen assembly mounting groove 102, the filter screen assembly 3 abuts against the stop block 2045 to drive the fixed sliding block assembly 204 to compress the first spring 203 inwards to move, the roller shaft 2052 on the fixed swing arm mechanism 205 moves along the adjusting fixing groove 2043 and moves into the groove rail on the adjusting fixing groove 2043, the filter screen assembly 3 stops being pressed, the first spring 203 rebounds to drive the fixed sliding block assembly 204 to move outwards, the stop 2045 on the fixed sliding block assembly 204 abuts against the filter screen assembly, meanwhile, the roll shaft 2052 slides in the side groove on the adjusting fixing groove 2043 and is moved into the rearmost side of the adjusting fixing groove 2043 for fixation, the fixed connecting rod assembly 202 is driven to move outwards while the fixed slider assembly 204 moves outwards, so that the fixed connecting rod assembly 202 moves from the fixed connecting rod assembly movable flat groove 2015 to the fixed connecting rod assembly movable chute 2016, because the fixed connecting rod assembly 202 is made of iron, the inner magnet 2017 is adsorbed to the fixed connecting rod assembly 202, the fixed connecting rod assembly 202 is overturned and moved into the fixed connecting rod assembly movable chute 2016, so that the filter screen assembly fixing block 2022 on the fixed connecting rod assembly 202 is separated from the filter screen assembly fixing groove 302 on the filter screen assembly 3, the moved filter screen assembly 3 is taken out for cleaning or replacement, the replaced filter screen assembly 3 is aligned with the filter screen assembly mounting groove 102 and pressed inwards, and the filter screen assembly, the first spring 203 of fixed slider subassembly 204 compression rear side moves backward, the roller 2052 on the fixed swing arm mechanism 205 slides into the side slot under the regulation fixed slot 2043, it is fixed to move into the most preceding side slot of regulation fixed slot 2043 from the side slot under the regulation fixed slot 2043, when fixed slider subassembly 204 moves inside, drive fixed link assembly 202 and move into in fixed link assembly activity flat slot 2015, during fixed link assembly 202 overturns along pivot 2023 and shifts out, make the filter screen subassembly fixed block 2022 on the fixed link assembly 202 move into on the filter screen subassembly fixed slot 302, make filter screen subassembly 3 fixed mounting in filter screen subassembly mounting groove 102, this mechanism dismouting is convenient, convenient the change.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a laboratory fire control fume extractor, includes fume extractor main part subassembly (1), its characterized in that: exhaust fan (4) are fixedly installed at the middle part of exhaust apparatus main part subassembly (1) right side outer wall, the left side outer wall fixed mounting of exhaust apparatus main part subassembly (1) has filter screen subassembly (3), both sides fixed mounting has two sets of semi-automatic locking mechanism (2) around exhaust apparatus main part subassembly (1) left side outer wall, exhaust fan (4) right side outer wall fixed mounting has one-way exhaust mechanism (5), one-way exhaust mechanism (5) right side outer wall fixed mounting has tub (6) of discharging fume.
2. A laboratory fire protection and smoke exhaust apparatus according to claim 1, wherein: fume extractor main part subassembly (1) includes fume extractor main part (101), filter screen subassembly mounting groove (102), semi-automatic locking mechanism mounting groove (103) and fume extractor groove (104), filter screen subassembly mounting groove (102) have been seted up to fume extractor main part (101) left side outer wall, two sets of semi-automatic locking mechanism mounting grooves (103) have been seted up to both sides around fume extractor main part (101) left side outer wall, fume extractor groove (104) have been seted up at the middle part of filter screen subassembly mounting groove (102) right side inner wall.
3. A laboratory fire protection and smoke exhaust apparatus according to claim 1, wherein: semi-automatic locking mechanism (2) include locking mechanism support main part (201), fixed link assembly (202), first spring (203), fixed sliding block subassembly (204), fixed swing arm mechanism (205), locking mechanism support main part (201) include locking mechanism fixing base (2011), slider activity groove (2012), spacing groove (2013), swing arm pivot (2014), fixed link assembly activity flat slot (2015) and magnet (2017), the rear side fixed mounting of locking mechanism fixing base (2011) left side outer wall has swing arm pivot (2014), slider activity groove (2012) have been seted up to locking mechanism fixing base (2011) right side outer wall, two sets of spacing groove (2013) have been seted up to slider activity groove (2012) about slider activity groove (2012) inner wall is fixed, fixed link assembly activity flat slot (2015) have been seted up to slider activity groove (2012) right side inner wall, fixed link assembly activity flat slot (2015) front side inner wall has been seted up fixed link assembly activity chute (2016) ) The utility model discloses a fixed link assembly movable flat slot (2015) and fixed link assembly movable chute (2016) link up each other, fixed link assembly movable chute (2016) right side inner wall fixed mounting has magnet (2017), slider movable chute (2012) rear side inner wall fixed mounting has first spring (203), first spring (203) front side outer wall fixed mounting has fixed slider assembly (204), the front side fixed mounting of fixed slider assembly (204) right side outer wall has fixed link assembly (202), fixed slider assembly (204) left side outer wall is provided with fixed swing arm mechanism (205), fixed swing arm mechanism (205) one end inner wall passes through swing arm pivot (2014) and locking mechanism support main part (201) swing joint.
4. A laboratory fire protection and smoke exhaust apparatus according to claim 3, wherein: the fixed connecting rod assembly (202) comprises a movable connecting rod (2021), a filter screen assembly fixing block (2022) and a rotating shaft (2023), the filter screen assembly fixing block (2022) is fixedly installed on the front side of the outer wall of the left side of the movable connecting rod (2021), and two groups of rotating shafts (2023) are fixedly installed on the rear sides of the outer walls of the two sides of the upper side of the rotating shaft (2023).
5. A laboratory fire protection and smoke exhaust apparatus according to claim 3, wherein: the fixed slide block assembly (204) comprises a first slide block (2041), a fixed block (2042), an adjusting fixed groove (2043), a push rod (2044), a stop block (2045) and a first rotating shaft fixed block (2046), the adjusting fixed groove (2043) is formed in the outer wall of the left side of the first slide block (2041), two groups of fixed blocks (2042) are fixedly installed on the rear sides of the outer walls of the upper side and the lower side of the first slide block (2041), the push rod (2044) is fixedly installed in the middle of the outer wall of the front side of the first slide block (2041), the stop block (2045) is fixedly installed on the outer wall of the front side of the push rod (2044), two groups of first rotating shaft fixed blocks (2046) are fixedly installed on the front side of the outer wall of the right side of the first slide block (2041), the fixed connecting rod assembly (202) is movably connected with the first rotating shaft fixed block (2046) through a rotating shaft, the roller shaft (2052) penetrates through the front end of the swing arm (2051), the outer wall of the middle of the roller shaft (2052) is movably connected with the swing arm (2051), and the roller shaft (2052) is located inside the adjusting fixing groove (2043).
6. A laboratory fire protection and smoke exhaust apparatus according to claim 1, wherein: the one-way exhaust mechanism (5) comprises a one-way exhaust main body (501), an airtight cover (502), a second rotating shaft fixing block (503), an elastic column mechanism (504), a hinge (505), a sealing baffle (506), a fourth rotating shaft fixing block (507), a smoke outlet (508) and a smoke inlet (509).
7. A laboratory fire protection and smoke exhaust apparatus according to claim 6, wherein: an airtight cover (502) is fixedly arranged around the outer wall of the middle part of the one-way exhaust main body (501), the middle part of the outer wall of the right side of the airtight cover (502) is provided with a smoke outlet (508), the right sides of the outer walls of the two sides of the upper side of the unidirectional exhaust main body (501) are fixedly provided with two groups of sealing baffles (506), the two groups of sealing baffles (506) are movably connected with the unidirectional exhaust main body (501) through hinges (505), the middle part of the outer wall of the left side of the unidirectional exhaust main body (501) is provided with a smoke inlet (509), two groups of second rotating shaft fixing blocks (503) are fixedly arranged on the inner walls of the upper side and the lower side of the one-way exhaust main body (501), a fourth rotating shaft fixing block (507) is fixedly arranged on the outer wall of the left side of the sealing baffle (506), one end of the elastic column mechanism (504) is movably connected with a second rotating shaft fixing block (503) through a rotating shaft, the other end of the elastic column mechanism (504) is movably connected with a fourth rotating shaft fixing block (507) through a rotating shaft.
8. A laboratory fire protection and smoke exhaust apparatus according to claim 6, wherein: elastic column mechanism (504) includes elastic column support casing (5041), activity groove (5042), third pivot fixed block (5043), movable rod (5044), second slider (5045) and second spring (5046), elastic column support casing (5041) inside is provided with activity groove (5042), elastic column support casing (5041) bottom outer wall fixed mounting has third pivot fixed block (5043), activity groove (5042) bottom inner wall fixed mounting has second spring (5046), second spring (5046) top outer wall fixed mounting has second slider (5045), second slider (5045) top outer wall fixed mounting has movable rod (5044), third pivot fixed block (5043) is installed at movable rod (5044) top outer wall valley bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110344285.0A CN113082883A (en) | 2021-03-31 | 2021-03-31 | Laboratory fire control fume extractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110344285.0A CN113082883A (en) | 2021-03-31 | 2021-03-31 | Laboratory fire control fume extractor |
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| CN113082883A true CN113082883A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110344285.0A Pending CN113082883A (en) | 2021-03-31 | 2021-03-31 | Laboratory fire control fume extractor |
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| CN (1) | CN113082883A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694626A (en) * | 2021-08-02 | 2021-11-26 | 苏州福泰净化供氧工程有限公司 | Air purification filtration equipment with detect sealing performance |
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| CN212107112U (en) * | 2020-04-13 | 2020-12-08 | 江苏源嘉空调设备有限公司 | Safe efficient fire prevention valve that discharges fume |
| CN212389806U (en) * | 2020-03-18 | 2021-01-22 | 李凤梅 | Water conservancy check valve |
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| CN2606733Y (en) * | 2003-04-26 | 2004-03-17 | 中国国际海运集装箱(集团)股份有限公司 | Semiautomatic locking and support device |
| CN210240671U (en) * | 2019-07-17 | 2020-04-03 | 滨海九通阀门有限公司 | Magnetic locking stop valve with non-return function |
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Application publication date: 20210709 |