CN115400820A - Laboratory ventilation laboratory bench - Google Patents
Laboratory ventilation laboratory bench Download PDFInfo
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- CN115400820A CN115400820A CN202211359693.4A CN202211359693A CN115400820A CN 115400820 A CN115400820 A CN 115400820A CN 202211359693 A CN202211359693 A CN 202211359693A CN 115400820 A CN115400820 A CN 115400820A
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- laboratory bench
- brush
- thick bamboo
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- 238000009423 ventilation Methods 0.000 title claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 55
- 238000002474 experimental method Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 210000001015 abdomen Anatomy 0.000 claims description 5
- 206010010904 Convulsion Diseases 0.000 claims description 4
- 230000036461 convulsion Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 239000002245 particle Substances 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 14
- 238000012856 packing Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
-
- 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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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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
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a laboratory ventilation experiment table, which relates to the technical field of experiment tables and comprises an experiment table main body, an air draft tube and a ventilation tube, wherein a reserved cavity is formed in one end, close to the top, of the experiment table main body, and a plurality of through holes communicated with the reserved cavity are uniformly formed in the surface of the experiment table main body; in the ventilation process, continuous air flow exists in the air draft cylinder, the transverse shaft lever is driven to rotate when the air draft cylinder acts on the fan blade, and the brush rod can rotate along with the transverse shaft lever and brush and clean the surface of the fine filter plate; dust particles brushed by the brush rod rotation can fall into the dust collecting cylinder, and meanwhile, the packing auger piece is driven to rotate under the transmission action of the transmission conical teeth and the driven conical teeth, dust is conveyed to the bottom of the dust collecting cylinder, and in the process, the packing auger convex bristles rotate along with the packing auger piece to brush the particles attached to the position near the opening of the dust collecting cylinder, so that the attachment of the dust particles is effectively reduced.
Description
Technical Field
The invention relates to the technical field of laboratory tables, in particular to a laboratory ventilation laboratory table.
Background
Experiments comprise the fields of biology, chemistry, physics and the like, at present, relatively irritant liquid or gas is used in the experiments, particularly, in chemical experiments, some reactants are volatile and toxic, meanwhile, a large amount of gas is generated in some chemical reactions, and at the moment, the experiment table is required to be provided with a ventilation function.
Through the retrieval, chinese utility model patent that publication number is CN 2120068815U discloses a laboratory intelligence ventilation laboratory bench, including stage body, ejector pin, movable block and exhaust hood, the vertical fixed mounting in both sides limit of stage body has the curb plate, and the vertical hydraulic stem that installs of upper surface of curb plate, the one end that the curb plate was kept away from to the hydraulic stem passes through fixing bolt and connecting piece screw thread and links to each other, and connecting piece symmetric distribution is in the both sides bottom face of ejector pin, the ejector pin level sets up in the top of stage body, and still movable mounting has the exhaust hood on the ejector pin, the upper surface of stage body is close to curb plate department and still fixes and be equipped with the exhaust plate, the inside of ejector pin is the cavity setting, and inside horizontal installation has the lead screw, the lead screw rotates the embedding in the inside of ejector pin, the upper surface of ejector pin still fixed mounting has driving motor, the outside of ejector pin still overlaps and is equipped with the movable block.
However, the invention has the following disadvantages: the filter assembly that this patent set up is comparatively simple, lacks the clearance design, in some chemical reactions, can produce the gas that includes a large amount of granules, and these granules are attached to on the filter assembly easily to lead to the filter assembly to block up, and then influence the ventilation effect of laboratory bench, so have the limitation.
Therefore, the laboratory ventilation experiment table is designed, in the ventilation process, the internal filter component can be cleaned automatically, the experimental ventilation effect is ensured, and the laboratory ventilation experiment table is the first problem to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a laboratory ventilation laboratory table to solve the problems in the background technology.
The technical scheme of the invention is as follows: a laboratory ventilation experiment table comprises an experiment table main body, wherein one end of the experiment table main body, which is close to the top, is provided with a reserved cavity, the surface of the experiment table main body is uniformly provided with a plurality of through holes communicated with the reserved cavity, the laboratory ventilation experiment table also comprises a ventilation hole,
the air suction cylinder is integrally of an L-shaped structure, a coarse filter plate and a fine filter plate are fixedly mounted at the opening at the bottom end of the air suction cylinder and inside the air suction cylinder respectively, the coarse filter plate is horizontally arranged, and the fine filter plate is vertically arranged;
the adjusting wide-mouth component is arranged at the bottom end of the air draft tube;
the built-in cleaning assembly is arranged inside the air draft tube and comprises a shaft sleeve block fixedly arranged on one side of the inner wall of the air draft tube, a transverse shaft rod is rotatably arranged on the shaft sleeve block, a plurality of collision blades are fixedly arranged at one end of the circumferential outer wall of the transverse shaft rod, a brush rod is fixedly arranged at one end of the transverse shaft rod, which is far away from the shaft sleeve block, and one end of the brush rod is contacted with the fine filter plate;
connect a dirt section of thick bamboo, connect a dirt section of thick bamboo and the fixed intercommunication of draft tube, and the inside one end of connecing a dirt section of thick bamboo is fixed with mounting plate, the last vertical axis of installing that rotates of mounting plate, and the epaxial fixed mounting of vertical axis has auger piece, and the auger piece is close to the one end at vertical axis top and follows the protruding brush hair of position fixed mounting of evenly distributed's auger outward, the motion range and the brush-holder stud of the protruding brush hair of auger intersect, the one end fixed mounting of horizontal axostylus axostyle has the transmission toper tooth, and the epaxial fixed mounting of vertical has the driven toper tooth that meshes with transmission toper tooth mutually.
Preferably, the top of laboratory bench main part is provided with the female pipe that ventilates, and the one end intercommunication of the female pipe that ventilates has external negative pressure system, the fixed intercommunication in top of convulsions section of thick bamboo has a plurality of connector head, and all is fixed the intercommunication between every connector head and the female pipe that ventilates and has ripple communicating pipe.
Preferably, the end of the circumferential outer wall of the dust collecting barrel, which is close to the bottom, is provided with an external thread groove, and the external thread groove is screwed with a bellied bottom barrel.
Preferably, the adjusting wide-mouth assembly comprises a corrugated shaping hose fixedly connected to the bottom end of the air suction barrel, a connecting ring is fixedly mounted at the bottom end of the corrugated shaping hose, a flexible membrane is fixedly connected to the bottom end of the connecting ring, a plurality of ribs are fixedly connected to the outer side wall of the flexible membrane, and a push-pull convex rod is fixedly mounted on one side of the outer wall of the circumference of the connecting ring.
Preferably, be connected with a plurality of swing joint poles through the loose axle on the convulsions section of thick bamboo is close to the one end circumference outer wall of ripple design hose, and the quantity phase-match of swing joint pole and rib, every the bar groove has all been seted up on the surface of rib, and the equal sliding connection in inside in every bar groove has a slider, every the slider passes through the loose axle rotation with the other end of swing joint pole and is connected.
Preferably, the top of the experiment table main body is fixedly provided with a rail frame, the rail frame is provided with a moving block in a sliding manner, and one side of the moving block is fixedly connected with the air draft tube.
Preferably, the bottom of the moving block and the bottom of the track frame are respectively provided with a locking hole II and a locking hole I which are the same in specification.
Preferably, a pair of limiting sliding grooves are formed in the outer walls of the two sides of the moving block, a supporting foot sliding plate is connected in the plurality of limiting sliding grooves in a sliding mode, a reset spring is fixedly mounted between the bottom of each limiting sliding groove and the corresponding supporting foot sliding plate, and a handle is fixedly mounted on the outer wall of the bottom of each supporting foot sliding plate.
Preferably, a plurality of clamping supporting columns matched with the locking holes are fixedly connected to the outer wall of the top of the supporting foot sliding plate.
The invention provides a laboratory ventilation laboratory bench through improvement, compared with the prior art, the laboratory ventilation laboratory bench has the following improvement and advantages:
one is as follows: in the ventilation process, continuous air flow exists in the air draft cylinder, the transverse shaft lever is driven to rotate when the air draft cylinder acts on the fan blade, and the brush rod can rotate along with the transverse shaft lever and brush and clean the surface of the fine filter plate; dust particles brushed by the brush rod rotation can fall into the dust collecting cylinder, and meanwhile, the auger piece is driven to rotate under the transmission action of the transmission conical tooth and the driven conical tooth, so that dust is conveyed to the bottom of the dust collecting cylinder;
the second step is as follows: according to the dust collecting device, the arranged auger piece is utilized to convey dust during rotation, and meanwhile, the auger piece can play a role of shielding the air inside the dust collecting barrel, so that the air is prevented from being directly distributed and acting inside the dust collecting barrel, and the collected dust is prevented from being blown up again by flowing air; because the motion range of the auger convex bristles is intersected with the brush rod, the auger convex bristles can be collided with the brush rod at a fixed frequency in the motion process, so that dust particles can be prevented from being attached to the auger convex bristles and the brush rod, and meanwhile, the raised dust particles can flow to the upper part of the dust collecting barrel along with air and are collected through the dust collecting barrel;
and thirdly: according to the invention, the corrugated shaping hose can be pushed and pulled by pulling the push-pull convex rod through the connecting ring, so that the height of the flexible leather membrane is adjusted; the go-between is connected with flexible involucra in-process that moves down, and the swing joint pole that sets up can stimulate the slider, makes the slider along bar groove rebound to make a plurality of ribs tend to the level, thereby make the opening expansion of flexible involucra, be applicable to the chemical reaction that gaseous production volume is big in the unit interval, guarantee to react the gas that generates and thoroughly take out and separate, avoid having the condition of gaseous loss.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic overall perspective view of the present invention;
FIG. 3 is a schematic diagram of a state structure of a mobile block moving according to the present invention;
FIG. 4 is a schematic structural diagram of a state when the moving block and the track frame are fixed according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of a partial half-section of the draft tube of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6B according to the present invention;
fig. 8 is an enlarged view of the structure of fig. 6 at C according to the present invention.
Reference numerals are as follows:
11. a test bed main body; 12. reserving a cavity; 13. a rail frame; 131. a first locking hole; 14. a through hole; 21. a ventilation main pipe; 22. a corrugated communicating pipe; 23. connecting the pipe heads; 31. an air draft tube; 311. a movable connecting rod; 32. a corrugated sizing hose; 33. a flexible skin; 331. ribs; 332. a strip-shaped groove; 333. a slider; 34. a connecting ring; 35. pushing and pulling the convex rod; 36. a shaft sleeve block; 361. a transverse shaft lever; 362. bumping fan blades; 363. a transmission conical tooth; 364. a brush bar; 37. fine filtering the plate; 371. coarse filter plate; 38. a dust collecting cylinder; 381. a vertical axis; 382. packing auger piece; 383. the auger is used for brushing the bristles; 384. a driven conical tooth; 385. mounting a bottom plate; 39. a belly widening bottom cylinder; 41. a moving block; 411. a locking hole II; 42. a limiting chute; 43. a leg slide plate; 431. clamping the support; 432. a handle; 44. a return spring.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides a laboratory ventilation experiment table through improvement, and the technical scheme of the invention is as follows:
as shown in fig. 1 to 8, an embodiment of the present invention provides a laboratory ventilation experiment table, which includes an experiment table main body 11, a reserved cavity 12 is disposed at one end of the experiment table main body 11 near the top, and a plurality of through holes 14 communicated with the reserved cavity 12 are uniformly disposed on the surface of the experiment table main body 11, and further includes a ventilation duct 31, a wide-mouth adjusting component, a built-in cleaning component, and a dust collecting duct 38; through reservation chamber 12 and the through-hole 14 that sets up, when follow-up flexible involucra 33 carried out the negative pressure ventilation on lower high, the air inlet direction no longer only has flexible involucra 33 periphery, but uses the just right vertical direction of flexible involucra 33 as leading, through above-mentioned setting, can be more effective avoid reaction gas excessive.
The air draft tube 31 is integrally of an L-shaped structure, a coarse filter plate 371 and a fine filter plate 37 are fixedly installed at the opening at the bottom end of the air draft tube 31 and inside the air draft tube 31 respectively, the coarse filter plate 371 is horizontally arranged, and the fine filter plate 37 is vertically arranged; through the structure, the coarse filter plate 371 and the fine filter plate 37 can filter air in the ventilation process, and the subsequent operators can directly clean the surface of the air draft tube 31 due to the fact that the coarse filter plate 371 is arranged at the opening of the air draft tube.
The adjusting wide-mouth component is arranged at the bottom end of the air draft tube 31; the adjustment wide-mouth assembly can adjust the subsequent flexible membrane 33 up and down, and in the up-and-down adjustment process, the size of the opening of the flexible membrane 33 is changed.
The built-in cleaning component is arranged inside the air draft tube 31 and used for cleaning the surface of the fine filter plate 37, the built-in cleaning component comprises a shaft sleeve block 36 fixedly mounted on one side of the inner wall of the air draft tube 31, a transverse shaft lever 361 is rotatably mounted on the shaft sleeve block 36, a plurality of bumping blades 362 are fixedly mounted at one end of the circumferential outer wall of the transverse shaft lever 361, a brush rod 364 is fixedly mounted at one end, far away from the shaft sleeve block 36, of the transverse shaft lever 361, and one end of the brush rod 364 is in contact with the fine filter plate 37; through the setting of above-mentioned structure, the ventilation in-process, the inside air current that has continuously of draft tube 31, when acting on and hitting fan blade 362, drive horizontal axostylus axostyle 361 and rotate, and at this moment, brush holder 364 can follow horizontal axostylus axostyle 361 and rotate to brush, clean fine filter plate 37 surface.
The dust collecting cylinder 38 is fixedly communicated with the air draft cylinder 31, a mounting bottom plate 385 is fixed at one end inside the dust collecting cylinder 38, a vertical shaft 381 is rotatably mounted on the mounting bottom plate 385, an auger piece 382 is fixedly mounted on the vertical shaft 381, dust can be conveyed during rotation by the aid of the arranged auger piece 382, and meanwhile, the auger piece 382 can shield air inside the dust collecting cylinder 38, so that air is prevented from being directly distributed and acting inside the dust collecting cylinder 38, and collected dust is prevented from being blown up again by flowing air; the outer edge of one end of the packing auger sheet 382 close to the top of the vertical shaft 381 is fixedly provided with packing auger convex bristles 383 which are uniformly distributed, the motion range of the packing auger convex bristles 383 is intersected with the brush rod 364, one end of the transverse shaft 361 is fixedly provided with a transmission conical tooth 363, and the vertical shaft 381 is fixedly provided with a driven conical tooth 384 which is meshed with the transmission conical tooth 363; through the arrangement of the structure, dust particles brushed by the rotation of the brush rod 364 can fall into the dust receiving cylinder 38, and meanwhile, the auger piece 382 is driven to rotate under the transmission action of the transmission conical teeth 363 and the driven conical teeth 384 to convey dust to the bottom of the dust receiving cylinder 38, and in the process, the auger convex bristles 383 rotate along with the auger piece 382 to brush the particles attached to the position near the opening of the dust receiving cylinder 38, so that the attachment of the dust particles is effectively reduced, and most of the dust particles are ensured to be input into the dust receiving cylinder 38;
because the motion range of the auger convex bristles 383 is intersected with the brush rod 364, the auger convex bristles 383 can be collided with the brush rod 364 at a fixed frequency in the motion process, so that dust particles can be prevented from being attached to the auger convex bristles 383 and the brush rod 364, and meanwhile, the raised dust particles can flow to the upper part of the dust collecting barrel 38 along with air and are collected through the dust collecting barrel 38.
As a further scheme of the invention, a ventilation main pipe 21 is arranged above the experiment table main body 11, one end of the ventilation main pipe 21 is communicated with an external negative pressure system, the top of the air draft tube 31 is fixedly communicated with a plurality of connector heads 23, and a corrugated communication pipe 22 is fixedly communicated between each connector head 23 and the ventilation main pipe 21; through the arrangement of the structure, the external negative pressure system can act on the ventilation main pipe 21 through the corrugated communication pipes 22 so as to complete the ventilation effect.
As a further scheme of the invention, one end of the peripheral outer wall of the dust collecting cylinder 38 close to the bottom is provided with an external thread groove, and the external thread groove is screwed with a belly widening bottom cylinder 39; wide tripe end section of thick bamboo 39 can be collected the dust of whereabouts, and simultaneously, wide tripe end section of thick bamboo 39 rotates and can accomplish the dismouting, makes things convenient for personnel to clear up.
As a further scheme of the present invention, the adjusting wide-mouthed component includes a corrugated shaping hose 32 fixedly connected to the bottom end of the air draft tube 31, and a connection ring 34 is fixedly installed at the bottom end of the corrugated shaping hose 32, and the bottom end of the connection ring 34 is fixedly connected with a flexible membrane 33, a plurality of ribs 331 are fixedly connected to the outer side wall of the flexible membrane 33, and a push-pull convex rod 35 is fixedly installed at one side of the circumferential outer wall of the connection ring 34; by means of the structure, the pulling push-pull convex rod 35 can push and pull the corrugated shaping hose 32 by means of the connecting ring 34, so that the corrugated shaping hose 32 is stretched and shaped, and the height of the flexible film 33 is adjusted.
Furthermore, the outer wall of the circumference of one end of the draft tube 31, which is close to the corrugated shaping hose 32, is connected with a plurality of movable connecting rods 311 through movable shafts, the number of the movable connecting rods 311 is matched with the number of the ribs 331, the surface of each rib 331 is provided with a strip-shaped groove 332, a slide block 333 is connected inside each strip-shaped groove 332 in a sliding manner, and each slide block 333 is rotatably connected with the other end of each movable connecting rod 311 through a movable shaft; through the setting of above-mentioned structure, go up ring 34 and flexible involucra 33 in-process that moves down, the swing joint pole 311 that sets up can stimulate slider 333, makes slider 333 along bar groove 332 rebound to make a plurality of ribs 331 tend to the level, thereby makes the opening expansion of flexible involucra 33, is applicable to the chemical reaction that gas production volume is big in the unit interval, guarantees to carry out thoroughly the extraction with the gas that the reaction produced, avoids having the condition of gas loss.
As a further scheme of the present invention, a rail frame 13 is fixedly mounted on the top of the experiment table main body 11, a moving block 41 is slidably mounted on the rail frame 13, one side of the moving block 41 is fixedly connected with the air draft tube 31, as shown in fig. 1 and fig. 2, the moving block 41 and the air draft tube 31 are specifically fixed by using a welding bracket; the moving block 41 can slide along the rail frame 13, so that the horizontal position of the ventilation barrel 31 is adjusted.
Further, the bottom of the moving block 41 and the bottom of the track frame 13 are respectively provided with a locking hole two 411 and a locking hole one 131 with the same specification.
Further, a pair of limiting sliding grooves 42 are formed in the outer walls of the two sides of the moving block 41, the supporting foot sliding plates 43 are connected into the limiting sliding grooves 42 in a sliding mode, a return spring 44 is fixedly mounted between the bottom of each limiting sliding groove 42 and each supporting foot sliding plate 43, and a handle 432 is fixedly mounted on the outer wall of the bottom of each supporting foot sliding plate 43.
Furthermore, a plurality of clamping support columns 431 matched with the locking holes II 411 are fixedly connected to the outer wall of the top of the supporting leg sliding plate 43; through the arrangement of the structure, when the moving block 41 is fixed with the track frame 13, the return spring 44 applies acting force to the leg sliding plate 43, so that the clamping support 431 is inserted into the corresponding locking hole I131 and locking hole II 411, and the locking between the moving block 41 and the track frame 13 is completed; when the ventilation barrel 31 needs to be moved, the handle 432 is pulled down to separate the clamping support 431 from the first locking hole 131 and the second locking hole 411, the support leg sliding plate 43 and the moving block 41 can be pulled through the handle 432, after the support leg sliding plate is moved to a proper position, a vertical acting force can not be applied to the handle 432, only a horizontal direction effect is kept, and when the first locking hole 131 is aligned with the second locking hole 411, the clamping support 431 is automatically lifted under the action of the return spring 44 to complete clamping and fixing.
The specific working method comprises the following steps: when the device is used, an experimental reaction is carried out in the area of the through hole 14, the pull handle 432 is pulled down to separate the clamping support 431 from the first locking hole 131 and the second locking hole 411, the support leg sliding plate 43 and the moving block 41 are pulled through the pull handle 432, the exhaust cylinder 31 on one side of the moving block 41 is moved to the position right above the experimental reaction, and when the gas generation amount in the experimental reaction unit time is large, the push-pull convex rod 35 is pulled to push and pull the corrugated shaping hose 32 through the connecting ring 34, so that the corrugated shaping hose 32 is stretched and shaped; in the process that the connecting ring 34 and the flexible film 33 move downwards, the movable connecting rods 311 pull the corresponding sliding blocks 333 to enable the sliding blocks 333 to move upwards along the strip-shaped grooves 332, so that the ribs 331 tend to be horizontal, the opening of the flexible film 33 is expanded, and the gas extraction effect is improved; the coarse filter plate 371 and the fine filter plate 37 can filter air in the ventilation process, and the subsequent operators can directly clean the surface of the air draft tube 31 because the coarse filter plate 371 is arranged at the opening of the air draft tube; in the ventilation process, continuous air flow can be generated inside the exhaust cylinder 31, when the continuous air flow acts on the fan collision blades 362, the transverse shaft 361 is driven to rotate, at the moment, the brush rod 364 rotates along with the transverse shaft 361, the surface of the fine filter plate 37 is brushed and cleaned, dust particles brushed by the rotation of the brush rod 364 fall into the dust collection cylinder 38, meanwhile, the auger sheet 382 is driven to rotate under the driving action of the driving conical teeth 363 and the driven conical teeth 384, dust is conveyed to the bottom of the dust collection cylinder 38, in the process, the auger convex bristles 383 rotates along with the auger sheet 382, particles attached to the position near the opening of the dust collection cylinder 38 are brushed, the attachment of the dust particles is effectively reduced, the vast majority of dust particles are input into the dust collection cylinder 38, the movement range of the auger convex bristles 383 is intersected with the brush rod 364, the auger convex bristles 383 frequently collide with the brush rod 364 in the movement process, the dust particles are prevented from attaching to the auger convex bristles and the auger rod 364, meanwhile, dust particles lifted up can flow to the upper side of the dust collection cylinder 38, and can be conveniently cleaned by a person who collects the broad belly at the bottom of the dust collection cylinder 39, and the broad belly collection cylinder 39 can be cleaned at the same time.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a laboratory ventilation laboratory bench, includes laboratory bench main part (11), reserve chamber (12) have been seted up to the one end that laboratory bench main part (11) are close to the top, and the surface of laboratory bench main part (11) evenly sets up a plurality of through-holes (14) that are linked together with reserve chamber (12), its characterized in that: also comprises the following steps of (1) preparing,
the air extracting barrel (31) is integrally of an L-shaped structure, a coarse filter plate (371) and a fine filter plate (37) are fixedly mounted at the opening at the bottom end of the air extracting barrel (31) and inside the air extracting barrel respectively, the coarse filter plate (371) is horizontally arranged, and the fine filter plate (37) is vertically arranged;
the wide opening adjusting component is arranged at the bottom end of the air draft cylinder (31);
the built-in cleaning component is arranged inside the air draft tube (31), the built-in cleaning component comprises a shaft sleeve block (36) fixedly mounted on one side of the inner wall of the air draft tube (31), a transverse shaft rod (361) is rotatably mounted on the shaft sleeve block (36), one end of the circumferential outer wall of the transverse shaft rod (361) is fixedly provided with a plurality of collision fan blades (362), one end, far away from the shaft sleeve block (36), of the transverse shaft rod (361) is fixedly provided with a brush rod (364), and one end of the brush rod (364) is contacted with the fine filter plate (37);
connect dirt section of thick bamboo (38), connect dirt section of thick bamboo (38) and the fixed intercommunication of draft tube (31), and the inside one end that connects dirt section of thick bamboo (38) is fixed with mounting plate (385), it installs vertical axis (381) to rotate on mounting plate (385), and fixed mounting has auger piece (382) on vertical axis (381), and auger piece (382) are close to the one end at vertical axis (381) top and outer edge position fixed mounting have evenly distributed's the protruding brush hair (383) of auger, the motion range of the protruding brush hair (383) of auger intersects with brush pole (364), the one end fixed mounting of horizontal axostylus axostyle (361) has transmission toper tooth (363), and fixed mounting has driven toper tooth (384) with transmission toper tooth (363) engaged with on vertical axis (381).
2. A laboratory ventilation laboratory bench according to claim 1 wherein: the top of laboratory bench main part (11) is provided with ventilation female pipe (21), and the one end intercommunication of ventilation female pipe (21) has external negative pressure system, the fixed intercommunication in top of convulsions section of thick bamboo (31) has a plurality of connector head (23), and all fixed intercommunication has ripple communicating pipe (22) between every connector head (23) and ventilation female pipe (21).
3. A laboratory ventilation laboratory bench according to claim 1 wherein: an outer thread groove is formed in one end, close to the bottom, of the circumferential outer wall of the dust collecting barrel (38), and a belly widening bottom barrel (39) is screwed on the outer thread groove.
4. A laboratory ventilation laboratory bench according to claim 1 wherein: adjust and broad mouthful of subassembly and include corrugated shaping hose (32) of fixed connection in dryer (31) bottom, and the bottom fixed mounting of corrugated shaping hose (32) has go-between (34), and the flexible involucra (33) of bottom fixedly connected with of go-between (34), a plurality of ribs of fixedly connected with (331) on the lateral wall of flexible involucra (33), circumference outer wall one side fixed mounting of go-between (34) has push-and-pull protruding pole (35).
5. A laboratory ventilation laboratory bench according to claim 4 wherein: the utility model discloses a take out wind section of thick bamboo (31) and take out wind section of thick bamboo, take out wind section of thick bamboo (31) and be close to on the one end circumference outer wall of ripple design hose (32) and be connected with a plurality of swing joint pole (311) through the loose axle, and the quantity phase-match of the quantity of swing joint pole (311) and rib (331), every strip groove (332) have all been seted up on the surface of rib (331), and the equal sliding connection in inside of every strip groove (332) has slider (333), every slider (333) pass through the loose axle rotation with the other end of swing joint pole (311) and are connected.
6. A laboratory ventilation laboratory bench according to claim 1 wherein: the top of experiment table main part (11) fixed mounting has rail frame (13), and slidable mounting has movable block (41) on rail frame (13), one side and convulsions section of thick bamboo (31) fixed connection of movable block (41).
7. A laboratory ventilation laboratory bench according to claim 6 wherein: the bottom parts of the moving block (41) and the track frame (13) are respectively provided with a locking hole II (411) and a locking hole I (131) which have the same specification.
8. A laboratory ventilation laboratory bench according to claim 7 wherein: a pair of limiting sliding grooves (42) are formed in the outer walls of the two sides of the moving block (41), supporting foot sliding plates (43) are connected in the limiting sliding grooves (42) in a sliding mode, each of the supporting foot sliding plates (43) is fixedly provided with a return spring (44) between the bottom of each limiting sliding groove (42) and the corresponding supporting foot sliding plate, and a handle (432) is fixedly arranged on the outer wall of the bottom of each supporting foot sliding plate (43).
9. A laboratory ventilation laboratory bench according to claim 8 wherein: the outer wall of the top of the supporting leg sliding plate (43) is fixedly connected with a plurality of clamping supporting columns (431) matched with the locking holes II (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359693.4A CN115400820A (en) | 2022-11-02 | 2022-11-02 | Laboratory ventilation laboratory bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359693.4A CN115400820A (en) | 2022-11-02 | 2022-11-02 | Laboratory ventilation laboratory bench |
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| CN115400820A true CN115400820A (en) | 2022-11-29 |
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| CN202211359693.4A Pending CN115400820A (en) | 2022-11-02 | 2022-11-02 | Laboratory ventilation laboratory bench |
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Cited By (1)
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| CN117884206A (en) * | 2024-03-12 | 2024-04-16 | 济南中仁谊科医学检验实验室有限公司 | Ventilation device for experiment operation table |
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