CN113083380A - Laboratory variable air volume adjusting device - Google Patents
Laboratory variable air volume adjusting device Download PDFInfo
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- CN113083380A CN113083380A CN202110344304.XA CN202110344304A CN113083380A CN 113083380 A CN113083380 A CN 113083380A CN 202110344304 A CN202110344304 A CN 202110344304A CN 113083380 A CN113083380 A CN 113083380A
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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
- B01L1/00—Enclosures; Chambers
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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
- 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
- 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
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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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
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
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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
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
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Abstract
The invention discloses a laboratory variable air volume adjusting device which comprises an adjusting device main body, wherein a storage cabinet is arranged inside the lower end of the adjusting device main body, a movable observation baffle is arranged on the outer surface of the front end of the adjusting device main body, and an auxiliary air outlet assembly is arranged on the outer surface of the upper end of the front end of the adjusting device main body. According to the laboratory variable air volume adjusting device, the air outlet of the adjusting device main body is sealed, the influence of outside air on the adjusting device is reduced, the effect of the adjusting device is improved, the test accuracy is improved, the air in a laboratory can reach the outside discharge standard under the action of the absorption net and the filter screen conveniently, then the air is discharged outside through the connecting pipe, the filtering effect is achieved, the air volume in the adjusting device can be adjusted conveniently, the auxiliary air outlet assembly can assist the adjusting mechanism to adjust the adjusting device together, the adjusting effect is improved, and the better use prospect is brought.
Description
Technical Field
The invention relates to the field of laboratory variable air volume devices, in particular to a laboratory variable air volume adjusting device.
Background
The Variable Air Volume end device is one of key equipment of Variable Air Volume Air conditioning System (Variable Air Volume System), the Air conditioning System can utilize end device to regulate primary Air supply Volume, track load change and maintain room temp., the single-duct type Variable Air Volume end device is the most basic Variable Air Volume end device, and can utilize change of Air circulation cross-section area to attain the goal of regulating Air supply Volume.
The prior laboratory variable air volume adjusting device has the following three problems:
1. the adjusting device used in the common laboratory basically has fixed air exhaust amount, is relatively small in adjustment, and cannot provide good air exhaust effect for the experiment.
2. The existing exhaust device basically and directly exhausts air to the outside, possibly exhausting some harmful gases in a laboratory to the outside together, thereby causing environmental harm.
3. When not using adjusting device, the vent all is in the open mode basically to inside making external dust get into the laboratory easily, causing next experiment inaccurate.
Aiming at the defects, certain adverse effects are brought to the using process of people, and a laboratory variable air volume adjusting device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a laboratory variable air volume adjusting device which has the advantages of adjusting air volume, filtering air, achieving a sealing effect 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 variable air volume adjusting device main part, includes the adjusting device main part, the inside locker that is provided with of lower extreme of adjusting device main part, the front end surface of adjusting device main part is provided with movable observation baffle, the front end upper end surface of adjusting device main part is provided with supplementary subassembly of giving vent to anger, the inside filtering mechanism that is provided with in upper end of adjusting device main part, the upper end surface of adjusting device main part is provided with sealing mechanism, sealing mechanism's upper end surface is provided with adjustment mechanism, adjustment mechanism is including adjusting the outer tube, adjusting the inner tube, keep out the wind circular arc board, movable block, removal recess, removal outrigger, rotation adjusting part, regulation friction plate, outrigger, swiveling wheel and rotatory roller.
Preferably, be integrated into one piece between adjusting device main part and the locker, be provided with the recess No. one between adjusting device main part and the activity observation baffle, and the front end surface of adjusting device main part is through the outer wall swing joint of recess and activity observation baffle, be provided with fixing bolt No. one between adjusting device main part and the supplementary subassembly of giving vent to anger, and the front end upper end surface of adjusting device main part is through the outer wall fixed connection of fixing bolt and the supplementary subassembly of giving vent to anger, pass through welded connection between adjusting device main part and the filter mechanism, be provided with No. two fixing bolt between adjusting device main part and the sealing mechanism, and the upper end surface of adjusting device main part is through No. two fixing bolt and the lower extreme external surface fixed connection of sealing mechanism, be provided with No. three fixing bolt between sealing mechanism and the adjustment mechanism, and the upper end surface of sealing mechanism is through No. three fixing bolt and the lower extreme external fixed connection of adjustment mechanism .
Preferably, the adjusting inner tube is located inside the adjusting outer tube, the wind shielding circular arc plate is located inside the adjusting inner tube, the outer walls of the adjusting inner tube and the adjusting outer tube are provided with moving grooves, the moving block is located inside the moving grooves and extends to the outside of the adjusting outer tube, the moving outer frame is located on the outer wall of the adjusting outer tube, the moving block extends to the inner wall of the moving outer frame, the adjusting friction plate is located on the outer surface of one side of the moving outer frame, the rotation adjusting assembly is located on the outer surface of one side of the adjusting friction plate, the stabilizing support frame is located on the outer wall of the rotation adjusting assembly, the rotating wheel is located on one side of the rotation adjusting assembly, and the rotating roll shaft is located on the outer.
Preferably, a second groove is formed between the adjusting outer pipe and the adjusting inner pipe, the inner wall of the adjusting outer pipe is fixedly connected with the outer wall of the adjusting inner pipe through the second groove, a first rotating shaft is arranged between the wind shielding circular arc plate and the adjusting inner pipe, the outer wall of the wind shielding circular arc plate is movably connected with the inner wall of the adjusting inner pipe through the first rotating shaft, the moving outer frame is connected with the moving block through welding, the adjusting friction plate is connected with the moving outer frame through welding, a second rotating shaft is arranged between the stabilizing support frame and the rotation adjusting assembly, the inner wall of the stabilizing support frame is fixedly connected with the outer wall of the rotation adjusting assembly through the second rotating shaft, moving teeth are arranged between the rotation adjusting assembly and the rotating roller shaft, the outer wall of the rotation adjusting assembly is fixedly connected with the outer wall of the adjusting friction plate through the moving teeth, and a belt is arranged between the rotating wheel and the, and the outer wall of the rotation adjusting assembly is movably connected with the outer wall of the rotating wheel through a belt, and the rotating roll shaft is connected with the rotating wheel through welding.
The utility model provides a filtration that laboratory variable air volume adjusting device used, includes filtering mechanism, filtering mechanism includes filter housing, filter screen, absorption net, filters through-hole and connecting pipe, the upper end internal surface of adjusting device main part is provided with filter housing, filter housing's lower extreme surface has been seted up and has been filtered the through-hole, the upper end surface of adjusting device main part is provided with the connecting pipe and runs through the wall body of adjusting device main part and extends to filter housing's inside, filter screen and absorption net all are located filter housing's inside, and the filter screen is located absorption net's lower extreme surface.
Preferably, through welded connection between adjusting device main part and the filter housing, be provided with the fixed glue No. one between adjusting device main part and the connecting pipe, and the upper end surface of adjusting device main part is through the outer wall fixed connection of fixed glue and connecting pipe No. one, all be provided with No. three recesses between absorption net and filter housing, and the outer wall of filter net and connecting pipe all is through the inside fixed connection of No. three recesses and filter housing.
The utility model provides a seal structure that laboratory variable air volume adjusting device used, includes sealing mechanism, sealing mechanism includes shrink wheel, seal housing, shrink rope, slide bar, folding sealing plate and controls the subassembly, the upper end surface of adjusting device main part is provided with sealing mechanism, sealing mechanism's inside is provided with seal housing, seal housing's inside is provided with shrink wheel, shrink rope, slide bar, folding sealing plate and controls the subassembly, the shrink wheel is located the inside of controlling the subassembly, folding sealing plate is located one side surface of controlling the subassembly, the shrink rope is located the outer wall of shrink wheel and extends one side surface of folding sealing plate, the slide bar is located one side of controlling the subassembly and runs through the wall body of folding sealing plate.
Preferably, the control assembly is connected with the sealing shell in a welding mode, a third rotating shaft is arranged between the contraction wheel and the control assembly, the outer wall of the contraction wheel is movably connected with the inside of the control assembly through the third rotating shaft, a second fixing adhesive is arranged between the contraction rope and the contraction wheel, the outer surface of one side of the contraction rope is fixedly connected with the outer wall of the contraction wheel through the second fixing adhesive, a third fixing adhesive is arranged between the folding sealing plate and the contraction rope, the outer wall of the folding sealing plate is fixedly connected with the outer surface of the other end of the contraction rope through the third fixing adhesive, the sliding rod is connected with the control assembly in a welding mode, a movable ring is arranged between the sliding rod and the folding sealing plate, and the outer wall of the sliding rod is movably connected with the outer surfaces of the front end and the rear end of the folding sealing plate through the movable.
(III) advantageous effects
Compared with the prior art, the invention provides a laboratory variable air volume adjusting device, which has the following beneficial effects:
1. the laboratory variable air volume adjusting device comprises an adjusting mechanism, wherein when a worker uses an adjusting device body, the worker firstly pulls a movable observation baffle by hands to enable the adjusting device body to conveniently work, then the worker energizes the adjusting device body, when the air volume needs to be adjusted, the worker energizes the adjusting device body, a rotating roller shaft can drive a rotating wheel to rotate together, the rotating wheel can drive a rotating adjusting component to rotate together under the action of a belt, a movable outer frame can be driven to move together under the action of an adjusting friction plate and a rotating tooth, and the movable block and the movable outer frame are fixed together, so that the movable outer frame moves to drive a movable block in a movable groove to move, and the movable block can drive a wind shielding arc plate to rotate under the action of the rotating shaft, thereby conveniently adjust the amount of wind to the adjusting device main part is inside, and wherein supplementary subassembly of giving vent to anger can assist adjustment mechanism to adjust the adjusting device main part together, increases the regulation effect.
2. This kind of laboratory variable air volume adjusting device, through the filter mechanism who sets up, because laboratory inside is all to do relevant experiment, thereby the air that leads to laboratory inside has certain difference with the external world, so inside air can not directly discharge the external world, when the adjusting device main part exhausts to the laboratory, at first the inside air passes through the filtration through-hole of seting up on the filter shell, thereby make things convenient for the air can with absorption net and connecting pipe contact, under the effect of absorption net and filter screen, can make things convenient for the air of laboratory inside to reach the external standard of discharging, later in the external world of discharging through the connecting pipe, reach the filter effect.
3. This laboratory variable air volume adjusting device, through the sealing mechanism who sets up, when not using the adjusting device main part, the staff is rotatory through controlling subassembly control shrink wheel, make things convenient for shrink wheel to shrink the shrink rope and shrink, thereby drive folding sealing plate and remove, under the slide bar effect, folding sealing plate can be quick blocks up and filters the through-hole, thereby reach and seal up the effect to adjusting device main part air exit, reduce the influence of outside air to the adjusting device main part, increase the effect of adjusting device main part, improve experimental accurate nature.
Drawings
Fig. 1 is a schematic view of the overall structure of a laboratory variable air volume adjusting device of the present invention.
Fig. 2 is a rear view of the overall structure of a laboratory variable air volume adjusting device according to the present invention.
Fig. 3 is an analysis diagram of an adjusting inner tube in an adjusting mechanism of the laboratory variable air volume adjusting device.
Fig. 4 is a structural diagram of an adjusting mechanism of a laboratory variable air volume adjusting device.
Fig. 5 is an analysis diagram of a filter mechanism of a laboratory variable air volume adjusting device according to the present invention.
Fig. 6 is an exploded view of a sealing mechanism of a laboratory variable air volume adjusting device according to the present invention.
In the figure: 1. an adjusting device main body; 2. an adjustment mechanism; 3. a filtering mechanism; 4. a sealing mechanism; 5. a storage cabinet; 6. a movable observation baffle; 7. an auxiliary air outlet assembly; 201. adjusting the outer pipe; 202. adjusting the inner pipe; 203. a wind shielding circular arc plate; 204. a moving block; 205. moving the groove; 206. moving the outer frame; 207. a rotation adjustment assembly; 208. adjusting the friction plate; 209. stabilizing the support frame; 210. a rotating wheel; 211. rotating the roll shaft; 301. a filter housing; 302. a filter screen; 303. an absorbent web; 304. a filtration through hole; 305. a connecting pipe; 401. a shrink wheel; 402. sealing the housing; 403. retracting the cord; 404. a slide bar; 405. folding the sealing plate; 406. the assembly is controlled.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Detailed description of the preferred embodiment
The embodiment is an embodiment of a laboratory variable air volume adjusting device.
As shown in fig. 1-4, the adjusting device comprises an adjusting device body 1, a storage cabinet 5 is arranged inside the lower end of the adjusting device body 1, a movable observation baffle 6 is arranged on the outer surface of the front end of the adjusting device body 1, an auxiliary air outlet assembly 7 is arranged on the outer surface of the upper end of the front end of the adjusting device body 1, a filtering mechanism 3 is arranged inside the upper end of the adjusting device body 1, a sealing mechanism 4 is arranged on the outer surface of the upper end of the adjusting device body 1, an adjusting mechanism 2 is arranged on the outer surface of the upper end of the sealing mechanism 4, and the adjusting mechanism 2 comprises an adjusting outer pipe 201, an adjusting inner pipe 202, a wind shielding arc plate 203, a moving block 204, a moving groove 205, a moving outer frame 206, a rotation adjusting assembly 207, an.
The adjusting device main body 1 and the storage cabinet 5 are integrally formed, a first groove is arranged between the adjusting device main body 1 and the movable observation baffle 6, the outer surface of the front end of the adjusting device main body 1 is movably connected with the outer wall of the movable observation baffle 6 through the first groove, a first fixing bolt is arranged between the adjusting device main body 1 and the auxiliary gas outlet assembly 7, the outer surface of the upper end of the front end of the adjusting device main body 1 is fixedly connected with the outer wall of the auxiliary gas outlet assembly 7 through the first fixing bolt, the adjusting device main body 1 is connected with the filtering mechanism 3 through welding, a second fixing bolt is arranged between the adjusting device main body 1 and the sealing mechanism 4, the outer surface of the upper end of the adjusting device main body 1 is fixedly connected with the outer surface of the lower end of the sealing mechanism 4 through the second fixing bolt, and a third fixing bolt is arranged between the sealing mechanism 4, the outer surface of the upper end of the sealing mechanism 4 is fixedly connected with the outer surface of the lower end of the adjusting mechanism 2 through a third fixing bolt; the adjusting inner tube 202 is located inside the adjusting outer tube 201, the wind shielding circular arc plate 203 is located inside the adjusting inner tube 202, the outer walls of the adjusting inner tube 202 and the adjusting outer tube 201 are both provided with a moving groove 205, a moving block 204 is located inside the moving groove 205 and extends to the outside of the adjusting outer tube 201, the moving outer frame 206 is located on the outer wall of the adjusting outer tube 201, the moving block 204 extends to the inner wall of the moving outer frame 206, the adjusting friction plate 208 is located on the outer surface of one side of the moving outer frame 206, the rotation adjusting assembly 207 is located on the outer surface of one side of the adjusting friction plate 208, the stabilizing support frame 209 is located on the outer wall of the rotation adjusting assembly 207, the rotating wheel 210 is located on one side of the rotation adjusting; a second groove is arranged between the adjusting outer pipe 201 and the adjusting inner pipe 202, the inner wall of the adjusting outer pipe 201 is fixedly connected with the outer wall of the adjusting inner pipe 202 through the second groove, a first rotating shaft is arranged between the wind shielding circular arc plate 203 and the adjusting inner pipe 202, the outer wall of the wind shielding circular arc plate 203 is movably connected with the inner wall of the adjusting inner pipe 202 through the first rotating shaft, the moving outer frame 206 is connected with the moving block 204 through welding, the adjusting friction plate 208 is connected with the moving outer frame 206 through welding, a second rotating shaft is arranged between the stabilizing support frame 209 and the rotation adjusting assembly 207, the inner wall of the stabilizing support frame 209 is fixedly connected with the outer wall of the rotation adjusting assembly 207 through the second rotating shaft, moving teeth are arranged between the rotation adjusting assembly 207 and the rotating roller shaft 211, the outer wall of the rotation adjusting assembly 207 is fixedly connected with the outer wall of the adjusting friction plate 208 through the moving teeth, and a belt is arranged between, the outer wall of the rotation adjusting assembly 207 is movably connected with the outer wall of the rotating wheel 210 through a belt, and the rotating roller shaft 211 is connected with the rotating wheel 210 through welding.
It should be noted that, the invention is a laboratory variable air volume adjusting device, when a worker uses the adjusting device body 1, the worker pulls the movable observation baffle 6 by hand to make the adjusting device body 1 work conveniently, then the worker energizes the adjusting device body 1, when the air volume needs to be adjusted, after the worker energizes the adjusting device body 1, the worker can drive the rotating wheel 210 to rotate together, the rotating wheel 210 can drive the rotating adjusting component 207 to rotate together under the action of the belt, the adjusting friction plate 208 and the rotating teeth can drive the moving outer frame 206 to move together, because the moving block 204 and the moving outer frame 206 are fixed together, the moving block 206 moves to drive the moving block 204 inside the moving groove 205 to move, thereby facilitating the moving block 204 to drive the wind shielding arc plate 203 to rotate under the action of the rotating shaft, thereby conveniently adjust the amount of wind to adjusting device main part 1 is inside, wherein supplementary subassembly 7 of giving vent to anger can assist adjustment mechanism 2 to adjust adjusting device main part 1 together, increases the regulation effect.
Detailed description of the invention
The embodiment is an embodiment of a filter structure in a laboratory variable air volume adjusting device.
As shown in fig. 1, 2, 5, including filtering mechanism 3, filtering mechanism 3 includes filter housing 301, filter screen 302, absorption net 303, filter through-hole 304 and connecting pipe 305, the upper end internal surface of adjusting device main part 1 is provided with filter housing 301, filter through-hole 304 has been seted up to the lower extreme surface of filter housing 301, the upper end surface of adjusting device main part 1 is provided with connecting pipe 305 and runs through the wall body of adjusting device main part 1 and extend to the inside of filter housing 301, filter screen 302 and absorption net 303 all are located the inside of filter housing 301, and filter screen 302 is located the lower extreme surface of absorption net 303.
Through welded connection between adjusting device main part 1 and the filter housing 301, be provided with the fixed glue No. one between adjusting device main part 1 and the connecting pipe 305, and the upper end surface of adjusting device main part 1 is through the outer wall fixed connection of fixed glue and connecting pipe 305 No. one, all be provided with No. three recesses between absorption net 303 and filter screen 302 and the filter housing 301, and the outer wall of filter screen 302 and connecting pipe 305 all is through the inside fixed connection of No. three recesses and filter housing 301.
It should be noted that, the present invention is a laboratory variable air volume adjusting device, because the inside of the laboratory is tested, the air inside the laboratory has a certain difference with the outside, so the air inside the laboratory cannot be directly exhausted to the outside, when the adjusting device main body 1 exhausts the laboratory, the air inside the laboratory firstly passes through the filtering through hole 304 formed at the upper end of the filtering shell 301, so that the air can contact with the absorbing net 303 and the connecting pipe 305, under the action of the absorbing net 303 and the filtering net 302, the air inside the laboratory can reach the standard of exhausting to the outside, and then the air is exhausted to the outside through the connecting pipe 305, so as to achieve the filtering effect.
Detailed description of the preferred embodiment
The embodiment is an embodiment of a sealing structure in a laboratory variable air volume adjusting device.
As shown in fig. 1, 2 and 6, the adjusting device comprises a sealing mechanism 4, wherein the sealing mechanism 4 comprises a shrink wheel 401, a sealing shell 402, a shrink rope 403, a sliding rod 404, a folding sealing plate 405 and a control component 406, the sealing mechanism 4 is arranged on the outer surface of the upper end of the adjusting device body 1, the sealing shell 402 is arranged inside the sealing mechanism 4, the shrink wheel 401, the shrink rope 403, the sliding rod 404, the folding sealing plate 405 and the control component 406 are arranged inside the sealing shell 402, the shrink wheel 401 is positioned inside the control component 406, the folding sealing plate 405 is positioned on the outer surface of one side of the control component 406, the shrink rope 403 is positioned on the outer wall of the shrink wheel 401 and extends to the outer surface of one side of the folding sealing plate 405, and the sliding rod 404 is positioned on one side of the control component 406 and.
The control component 406 is connected with the sealing shell 402 by welding, a third rotating shaft is arranged between the contraction wheel 401 and the control component 406, the outer wall of the contraction wheel 401 is movably connected with the inside of the control component 406 through the third rotating shaft, No. two fixing glues are arranged between the contraction rope 403 and the contraction wheel 401, the outer surface of one side of the contraction rope 403 is fixedly connected with the outer wall of the contraction wheel 401 through the No. two fixing glues, No. three fixing glues are arranged between the folding sealing plate 405 and the contraction rope 403, the outer wall of the folding sealing plate 405 is fixedly connected with the outer surface of the other end of the contraction rope 403 through the No. three fixing glues, the sliding rod 404 is connected with the control component 406 by welding, a movable ring is arranged between the sliding rod 404 and the folding sealing plate 405, and the outer wall of the sliding rod 404 is movably connected with the outer surfaces of the front end and the rear end of.
It should be noted that, when the adjusting device main body 1 is not used, a worker controls the contraction wheel 401 to rotate through the control assembly 406, so that the contraction wheel 401 can conveniently contract the contraction rope 403, the folding sealing plate 405 is driven to move, and under the action of the sliding rod 404, the folding sealing plate 405 can rapidly block the filtering through hole 304, so that the air outlet of the adjusting device main body 1 is sealed, the influence of outside air on the adjusting device main body 1 is reduced, the effect of the adjusting device main body 1 is increased, and the test accuracy is improved.
According to the invention, the air quantity of the adjusting device can be conveniently and relatively adjusted through the adjusting structure, the filtering structure and the sealing structure, harmful gas in a laboratory is reduced from entering the atmosphere, the influence of external air on a test is further reduced, and the test precision is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a laboratory variable air volume adjusting device, includes adjusting device main part (1), its characterized in that: a storage cabinet (5) is arranged inside the lower end of the adjusting device main body (1), a movable observation baffle (6) is arranged on the outer surface of the front end of the adjusting device main body (1), an auxiliary air outlet component (7) is arranged on the outer surface of the upper end of the front end of the adjusting device main body (1), a filtering mechanism (3) is arranged inside the upper end of the adjusting device main body (1), the outer surface of the upper end of the adjusting device main body (1) is provided with a sealing mechanism (4), the outer surface of the upper end of the sealing mechanism (4) is provided with an adjusting mechanism (2), the adjusting mechanism (2) comprises an adjusting outer pipe (201), an adjusting inner pipe (202), a wind shielding circular arc plate (203), a moving block (204), a moving groove (205), a moving outer frame (206), a rotation adjusting assembly (207), an adjusting friction plate (208), a stable supporting frame (209), a rotating wheel (210) and a rotating roller shaft (211).
2. The laboratory variable air volume adjusting device according to claim 1, characterized in that: the adjusting device is characterized in that the adjusting device body (1) and the storage cabinet (5) are integrally formed, a first groove is formed between the adjusting device body (1) and the movable observation baffle (6), the outer surface of the front end of the adjusting device body (1) is movably connected with the outer wall of the movable observation baffle (6) through the first groove, a first fixing bolt is arranged between the adjusting device body (1) and the auxiliary air outlet assembly (7), the outer surface of the upper end of the front end of the adjusting device body (1) is fixedly connected with the outer wall of the auxiliary air outlet assembly (7) through the first fixing bolt, the adjusting device body (1) is connected with the filtering mechanism (3) through welding, a second fixing bolt is arranged between the adjusting device body (1) and the sealing mechanism (4), and the outer surface of the upper end of the adjusting device body (1) is fixedly connected with the outer surface of the lower end of the sealing mechanism (4) through the second fixing bolt, a third fixing bolt is arranged between the sealing mechanism (4) and the adjusting mechanism (2), and the outer surface of the upper end of the sealing mechanism (4) is fixedly connected with the outer surface of the lower end of the adjusting mechanism (2) through the third fixing bolt.
3. The laboratory variable air volume adjusting device according to claim 1, characterized in that: the adjusting inner tube (202) is positioned inside the adjusting outer tube (201), the wind shielding circular arc plate (203) is positioned inside the adjusting inner tube (202), the outer walls of the adjusting inner tube (202) and the adjusting outer tube (201) are both provided with a moving groove (205), the moving block (204) is positioned inside the moving groove (205) and extends to the outside of the adjusting outer tube (201), the moving outer frame (206) is positioned on the outer wall of the adjusting outer tube (201), the moving block (204) extends to the inner wall of the moving outer frame (206), the adjusting friction plate (208) is positioned on the outer surface of one side of the moving outer frame (206), the rotation adjusting assembly (207) is positioned on the outer surface of one side of the adjusting friction plate (208), the stabilizing support frame (209) is positioned on the outer wall of the rotation adjusting assembly (207), and the rotating wheel (210) is positioned on one side of the rotation adjusting assembly (207), the rotating roller shaft (211) is positioned on the outer wall of the rotating wheel (210).
4. The laboratory variable air volume adjusting device according to claim 3, characterized in that: a second groove is formed between the adjusting outer pipe (201) and the adjusting inner pipe (202), the inner wall of the adjusting outer pipe (201) is fixedly connected with the outer wall of the adjusting inner pipe (202) through the second groove, a first rotating shaft is arranged between the wind shielding arc plate (203) and the adjusting inner pipe (202), the outer wall of the wind shielding arc plate (203) is movably connected with the inner wall of the adjusting inner pipe (202) through the first rotating shaft, the moving outer frame (206) is connected with the moving block (204) through welding, the adjusting friction plate (208) is connected with the moving outer frame (206) through welding, a second rotating shaft is arranged between the stabilizing support frame (209) and the rotating adjusting assembly (207), the inner wall of the stabilizing support frame (209) is fixedly connected with the outer wall of the rotating adjusting assembly (207) through the second rotating shaft, and moving teeth are arranged between the rotating adjusting assembly (207) and the rotating roller shaft (211), and the outer wall of rotation regulation subassembly (207) is through the outer wall fixed connection who moves tooth and regulation friction plate (208), be provided with the belt between swiveling wheel (210) and rotation regulation subassembly (207), and the outer wall of rotation regulation subassembly (207) passes through the outer wall swing joint of belt and swiveling wheel (210), pass through welded connection between rotatory roller axle (211) and swiveling wheel (210).
5. The utility model provides a filtration that laboratory variable air volume adjusting device used which characterized in that: including filtering mechanism (3), filtering mechanism (3) are including filtering shell (301), filter screen (302), absorption net (303), filtering through-hole (304) and connecting pipe (305), the upper end internal surface of adjusting device main part (1) is provided with filters shell (301), filtering through-hole (304) have been seted up to the lower extreme surface of filtering shell (301), the upper end surface of adjusting device main part (1) is provided with connecting pipe (305) and runs through the wall body of adjusting device main part (1) and extends to the inside of filtering shell (301), filter screen (302) and absorption net (303) all are located the inside of filtering shell (301), and filter screen (302) are located the lower extreme surface of absorption net (303).
6. The laboratory variable air volume adjusting device according to claim 5, characterized in that: through welded connection between adjusting device main part (1) and filter housing (301), be provided with a fixed glue between adjusting device main part (1) and connecting pipe (305), and the outer wall fixed connection of upper end surface through a fixed glue and connecting pipe (305) of adjusting device main part (1), all be provided with No. three recesses between absorption net (303) and filter screen (302) and filter housing (301), and the outer wall of filter screen (302) and connecting pipe (305) all through the inside fixed connection of No. three recesses and filter housing (301).
7. The utility model provides a seal structure that variable air volume adjusting device in laboratory used which characterized in that: the device comprises a sealing mechanism (4), wherein the sealing mechanism (4) comprises a contraction wheel (401), a sealing shell (402), a contraction rope (403), a sliding rod (404), a folding sealing plate (405) and a control assembly (406), the sealing mechanism (4) is arranged on the outer surface of the upper end of the adjusting device main body (1), the sealing shell (402) is arranged inside the sealing mechanism (4), the contraction wheel (401), the contraction rope (403), the sliding rod (404), the folding sealing plate (405) and the control assembly (406) are arranged inside the sealing shell (402), the contraction wheel (401) is located inside the control assembly (406), the folding sealing plate (405) is located on the outer surface of one side of the control assembly (406), the contraction rope (403) is located on the outer wall of the contraction wheel (401) and extends to the outer surface of one side of the folding sealing plate (405), the sliding rod (404) is located on one side of the control assembly (406) and extends through the wall of the folding sealing plate (405).
8. The laboratory variable air volume adjusting device according to claim 7, characterized in that: the control assembly (406) is connected with the sealing shell (402) by welding, a third rotating shaft is arranged between the contraction wheel (401) and the control assembly (406), the outer wall of the contraction wheel (401) is movably connected with the interior of the control assembly (406) by the third rotating shaft, a second fixing adhesive is arranged between the contraction rope (403) and the contraction wheel (401), the outer surface of one side of the contraction rope (403) is fixedly connected with the outer wall of the contraction wheel (401) by the second fixing adhesive, a third fixing adhesive is arranged between the folding sealing plate (405) and the contraction rope (403), the outer wall of the folding sealing plate (405) is fixedly connected with the outer surface of the other end of the contraction rope (403) by the third fixing adhesive, the sliding rod (404) is connected with the control assembly (406) by welding, and a movable ring is arranged between the sliding rod (404) and the folding sealing plate (405), and the outer wall of the sliding rod (404) is movably connected with the outer surfaces of the front end and the rear end of the folding sealing plate (405) through movable rings.
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| CN202110344304.XA CN113083380A (en) | 2021-03-31 | 2021-03-31 | Laboratory variable air volume adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110344304.XA CN113083380A (en) | 2021-03-31 | 2021-03-31 | Laboratory variable air volume adjusting device |
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| CN200955838Y (en) * | 2006-09-21 | 2007-10-03 | 浙江诸暨九牛农牧机械有限公司 | Automatic control air door |
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| CN212086062U (en) * | 2020-02-25 | 2020-12-04 | 宜宾学院 | Heat radiation structure suitable for digital DC-DC conversion device |
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| CN200955838Y (en) * | 2006-09-21 | 2007-10-03 | 浙江诸暨九牛农牧机械有限公司 | Automatic control air door |
| CN111482205A (en) * | 2019-01-29 | 2020-08-04 | 上海焕润科技发展有限公司 | Multifunctional biological safety cabinet |
| CN209818752U (en) * | 2019-04-13 | 2019-12-20 | 温州易普风通风设备有限公司 | Air volume adjusting valve |
| CN212086062U (en) * | 2020-02-25 | 2020-12-04 | 宜宾学院 | Heat radiation structure suitable for digital DC-DC conversion device |
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Application publication date: 20210709 |