CN111686825A

CN111686825A - Air purification type reagent cabinet capable of manually adjusting air distribution

Info

Publication number: CN111686825A
Application number: CN201910193623.8A
Authority: CN
Inventors: 刘春银
Original assignee: Anhui Yiyang Experimental Equipment Co ltd
Current assignee: Anhui Yiyang Experimental Equipment Co ltd
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-09-22

Abstract

The invention discloses a gas-purifying reagent cabinet capable of manually adjusting air distribution, which belongs to the field of reagent cabinets and comprises a cabinet body with an opening at the upper end, wherein the cabinet body is internally divided into an air extraction purification area positioned above and a reagent placing area positioned below by a partition plate, and an air extractor for extracting gas below and a filter screen for filtering the gas are arranged in the air extraction purification area; the reagent placing area is internally provided with a plurality of placing plates, the placing plates divide the reagent placing area into a plurality of placing unit areas, the rear wall of the reagent placing area is internally provided with a rectangular air distribution channel, the top of the air distribution channel is communicated with a confluence channel, the left side and the right side of the air distribution channel are symmetrically provided with a plurality of left holes and right holes, one ends of the left holes and the right holes, which are close to each other, are communicated with the air distribution channel, and the left holes and the right holes are also internally provided with adjusting mechanisms for opening or closing the left holes; only when placing the board and have the reagent of placing just make the wind channel with should place the unit district intercommunication to the utilization efficiency of convulsions operation has been improved, the effect of convulsions has been improved promptly.

Description

Air purification type reagent cabinet capable of manually adjusting air distribution

Technical Field

The invention belongs to the field of reagent cabinets, and particularly relates to a gas purification type reagent cabinet with manually adjusted air distribution.

Background

For reagents containing volatile harmful components, such as volatile acidic or alkaline solutions, flammable or explosive low-boiling organic gases, formaldehyde and other volatile gases harmful to human bodies, many reagents are generally required to be placed in special reagent cabinets with air draft and ventilation functions; the reagent cabinet is usually connected with a ventilation system in a laboratory, air polluted by volatile harmful ingredients in the reagent cabinet is sucked and discharged into the atmosphere for dilution through the ventilation system, and the harmful ingredients are prevented from being dissipated into a narrow indoor space to cause injury to operators; however, the reagent tank is complicated in structure, high in manufacturing and maintenance costs, and harmful components discharged into the atmosphere may adversely affect the surrounding environment. The air purification type reagent cabinet among the prior art can directly suck the air that is polluted by volatile harmful component in the reagent cabinet to discharge clean air after the synchronous purification, play the function of air-purifying and directly not in amplifying polluted air, avoid causing harm to atmosphere and external environment.

Gas purification type reagent cabinet among the prior art is because air exhaust equipment sets up in the upper portion of the cabinet body usually to air exhaust equipment directly communicates the top of reagent cabinet, consequently in convulsions operation, the position convulsions intensity that is located reagent cabinet bottom usually is relatively weak, is difficult to fully suck the harmful component of volatilizing, and the emergence of above-mentioned problem can be avoided admittedly to simple increase convulsions speed, but the energy consumption also can increase correspondingly, thereby has increased gas purification type reagent cabinet's use cost.

Disclosure of Invention

The invention aims to provide a gas-purifying reagent cabinet which solves the problem of insufficient manual air distribution regulation in the prior art. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a gas purification type reagent cabinet capable of manually adjusting air distribution comprises a cabinet body with an opening at the upper end, wherein the cabinet body is internally divided into an air extraction purification area positioned above and a reagent placing area positioned below by a partition plate, an air extractor for extracting gas below and a filter screen for filtering the gas are arranged in the air extraction purification area, and the filter screen is arranged above the air extractor;

the reagent is placed the district front side and is equipped with two sealing door of mutually supporting, is equipped with a plurality of boards of placing in the reagent is placed the district, place the board and place the district with the reagent and cut apart into a plurality of unit areas of placing, be equipped with the cloth wind passageway that is the cuboid in placing the district back wall, the top intercommunication of cloth wind passageway has the passageway that converges, and the port that converges the passageway is located between baffle and the air extractor, cloth wind passageway left and right sides symmetry is equipped with a plurality of left hole and right hole, the one end that left hole and right hole are close to communicates with the cloth wind passageway, and the one end that right hole was kept away from to left hole is located the corresponding unit area of placing, still be equipped with the adjustment mechanism who is used for opening or closing left hole in left hole and the right hole.

Further, the length of the confluence channel is consistent with that of the wind distribution channel.

Further, the outer side of the air pump is fixedly connected with a support, an annular mounting table is fixedly connected to the air pumping purification area, the mounting table is connected with the support through bolts, and the air pump is located at the center of the mounting table.

Further, the filter screen is placed on the ring of placing in the clean area of bleeding to the filter screen with place and be equipped with sealed the pad between the ring, sealed downside that fills up bonds through the powerful glue with placing the ring, the angle point department of cabinet body upside rotates and is connected with the pivot, the top rigid coupling of pivot has the horizontal bar, it has the hollow tube to fix in the horizontal bar to run through, hollow tube inner wall upper portion threaded connection has the threaded rod, the vertical sliding connection in hollow tube inner wall lower part has the slider to hollow tube inner wall bottom rigid coupling has the spacing ring that is used for preventing the slider from dropping, the vertical rigid coupling of slider downside has the depression bar, the supporting spring that the depression bar surface cup jointed, supporting spring's bottom and spacing ring rigid coupling, top and slider rigid coupling.

Furthermore, the bottom end of the pressure lever is fixedly connected with a pressure reducing pad.

Furthermore, a twisting handle is fixedly connected to the top end of the threaded rod, and a hemisphere is fixedly connected to the bottom end of the threaded rod.

Furthermore, adjustment mechanism includes left piston, right piston and connecting rod, left side piston right side rigid coupling has the hard piece, the both ends of connecting rod respectively with hard piece and the horizontal rigid coupling of right piston, by the right side rigid coupling of piston there is the right pole, the right pole is jointly with the pull rod rigid coupling.

Furthermore, a plurality of piston guide groups are fixedly connected between the left inner wall and the right inner wall of the air distribution channel, each piston guide group comprises a plurality of circumferential guide rods which are arranged by taking the left hole as the center of a circle, and the diameter of the circle where each piston guide group is located is the same as the diameters of the left piston and the right piston.

Compared with the prior art, the invention realizes the closing or opening of the left hole by moving the position of the left slide block through the adjusting mechanism, sequentially adjusts whether the air distribution channel is communicated with the placing unit area, and enables the air distribution channel to be communicated with the placing unit area only when the placing plate is provided with a placed reagent, thereby improving the utilization efficiency of air draft operation, namely improving the air draft effect; in addition, filter screen and air extractor are convenient for take out from the up end department of the cabinet body and realize convenient change.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic front view of a gas-purifying reagent cabinet with manually adjustable air distribution according to the present invention;

FIG. 2 is a schematic view of a partial front view of the air purifying type reagent cabinet with manually adjusted air distribution according to the present invention;

fig. 3 is a schematic partial top view of the air purifying type reagent cabinet with manually adjusted air distribution according to the present invention.

The main element symbols are as follows:

1-cabinet body, 2-partition board, 3-air extractor, 4-filter screen, 5-sealing door, 6-placing board, 7-placing unit area, 8-air distribution channel, 9-confluence channel, 10-left hole, 11-right hole, 12-adjusting mechanism, 13-bracket, 14-mounting table, 15-bolt, 16-placing ring, 17-sealing gasket, 18-rotating shaft, 19-cross bar, 20-hollow pipe, 21-threaded rod, 22-sliding block, 23-pressure rod, 24-supporting spring, 25-hemisphere, 26-left piston, 27-hard block, 28-connecting rod, 29-right piston, 30-right rod, 31-pull rod and 32-guide rod.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1, 2 and 3, a gas-purifying reagent cabinet with manually adjusted air distribution comprises a cabinet body 1 with an opening at the upper end, and is characterized in that the cabinet body 1 is internally divided into an air-extracting and purifying area at the upper part and a reagent placing area at the lower part by a partition plate 2, an air extractor 3 for extracting gas at the lower part and a filter screen 4 for filtering the gas are arranged in the air-extracting and purifying area, and the filter screen 4 is arranged above the air extractor 3;

reagent is placed the district front side and is equipped with two sealing door 5 of mutually supporting, reagent is placed and is equipped with a plurality of boards 6 of placing in the district, place board 6 and place the district with reagent and cut apart into a plurality of unit district 7 of placing, reagent is placed and is equipped with the wind passageway 8 that is the cuboid in the district back wall, the top intercommunication of wind passageway 8 has the passageway 9 that converges, the port of passageway 9 that converges is located between baffle 2 and the air extractor 3, wind passageway 8 left and right sides symmetry is equipped with a plurality of left hole 10 and right hole 11, the one end that left hole 10 and right hole 11 are close to is communicated with wind passageway 8, the one end that right hole 11 was kept away from to left hole 10 is located corresponding unit district 7 of placing, still be equipped with adjustment mechanism 12 that is used for opening or closing left hole 10 in left hole 10 and the right hole 10.

In this embodiment, the length of the converging channel 9 is the same as that of the air distribution channel 8, so that the air pump 3 can rapidly extract the air in the air distribution channel 8 through the converging channel 9.

In the embodiment, a support 13 is fixedly connected to the outer side of the air pump 3, an annular mounting table 14 is fixedly connected to the air exhaust purification area, the mounting table 14 is connected with the support 13 through a bolt 15, and the air pump 3 is located at the center of the mounting table 14; when the air pump 3 is installed firstly, the filter screen 4 is installed, and conversely, when the air pump 3 is detached and replaced, the filter screen 4 is taken out firstly and then the air pump 3 is taken out.

In this embodiment, the lower surface of the mount table 14 is tapered to ensure that gas drawn from the converging channel 9 can pass through the mount table 14 quickly.

In this embodiment, filter screen 4 is placed on the ring 16 of placing in the purification area of bleeding, and filter screen 4 and place and be equipped with sealed pad 17 between the ring 16, sealed downside of pad 17 with place ring 16 and bond through the super glue, the angular point department of cabinet body 1 upside rotates and is connected with pivot 18, the top rigid coupling of pivot 18 has horizontal bar 19, it has hollow tube 20 to fix to run through in the horizontal bar 19, hollow tube 20 inner wall upper portion threaded connection has threaded rod 21, the vertical sliding connection in hollow tube 20 inner wall lower part has slider 22, and hollow tube 20 inner wall bottom rigid coupling has the spacing ring that is used for preventing slider 22 from dropping, the vertical rigid coupling in slider 22 downside has depression bar 23, the supporting spring 24 that depression bar 23 surface cup jointed, supporting spring 24's bottom and spacing ring rigid coupling, the top and slider 22 rigid coupling.

Specifically, when the filter screen 4 is installed, the air pump 3 is installed, the threaded rod 21 is screwed and ascended, the pressure rod 23 is lifted upwards under the action of the supporting spring 24, the bottom end of the pressure rod 2 is not lower than the opening at the upper end of the cabinet body 1, the rotating shaft 18 is rotated to enable each transverse bar 19 and the hollow pipe 20 to be outward, then the filter screen 4 is placed on the upper surface of the sealing pad 17 on the upper side of the placing ring 16, then the rotating shaft 18 is rotated to enable the hollow pipe 20 to return to the position shown in figures 1 and 2, the threaded rod 21 is screwed and descended, the descending of the threaded rod 21 enables the pressure rod 23 to descend and extrude the filter screen 4, the filter screen 4 is only attached to the sealing pad 17, the fact that gas exhausted by the air pump 3 cannot leak from the connection position of the sealing pad 17 and the filter screen 4, and the gas can only be exhausted.

In this embodiment, the bottom end of the pressure bar 23 is fixedly connected with a pressure reducing pad to prevent the pressure bar 23 from descending to damage the filter screen 4 due to squeezing the filter screen 4.

In this embodiment, the top end of the threaded rod 21 is fixedly connected with a twisting handle, so that the threaded rod 21 can be conveniently twisted, and the bottom end of the threaded rod is fixedly connected with a hemisphere 25, so that the sliding block 22 is protected from being damaged.

In this embodiment, the adjusting mechanism 12 includes a left piston 26, a right piston 29 and a connecting rod 28, the right side of the left piston 26 is fixedly connected with a hard block 27, two ends of the connecting rod 28 are respectively and horizontally fixedly connected with the hard block 27 and the right piston 29, the right side of the right piston 29 is fixedly connected with a right rod 30, and the right rod 30 is fixedly connected with a pull rod 31.

The left piston 26 has two position states, namely a non-working state and a working state, when the left piston 27 is in the non-working state, as shown in fig. 3, the left piston 26 and the hard block 27 are both positioned in the left hole 10, and the right piston 29 is positioned in the right hole 11, and in the non-working state, the left piston 26 seals the communication between the left hole 10 and the air distribution channel 8; when the left piston 26 is in an operating state, i.e. the left piston 26 and the hard block 27 are located in the right hole 11, and the right piston 29 is located outside the right hole 11, the left piston 26 does not obstruct the communication between the left hole 10 and the air distribution passage 8 in this operating state.

In this embodiment, a plurality of piston guide groups are fixedly connected between the left inner wall and the right inner wall of the air distribution channel 8, each piston guide group comprises a plurality of circumferential guide rods 32 arranged by taking the left hole 10 as a circle center, the diameter of the circle where each piston guide group is located is the same as the diameters of the left piston 26 and the right piston 29, and the piston guide groups ensure that the left piston 26 can easily enter the right hole 11 after coming out of the left hole 10.

The working principle is as follows:

to placing unit district 7 of placing reagent, outwards pulling and should place the pull rod 31 that board unit district 7 corresponds, left piston 26 comes out until entering into right hole 11 from left hole 10, and left piston 26 is in operating condition promptly, to the unit district 7 of placing that does not place the reagent, makes left piston 26 be in unoperated state, makes air extractor 3 and external power source intercommunication, produces the negative pressure below air extractor 3, places the volatile gas in placing unit district 7 in the reagent and enters into air distribution channel 8 through left hole 10, and then filters via filter screen 4 after the passageway 9 discharges of following the converging.

The air purifying type reagent cabinet with the manual air distribution adjusting function provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The air purification type reagent cabinet capable of manually adjusting air distribution comprises a cabinet body (1) with an opening at the upper end, and is characterized in that the inner space of the cabinet body (1) is divided into an air extraction purification area positioned above and a reagent placing area positioned below by a partition plate (2) in the cabinet body (1), an air extractor (3) for extracting gas below and a filter screen (4) for filtering the gas are arranged in the air extraction purification area, and the filter screen (4) is arranged above the air extractor (3);

two mutually matched sealing doors (5) are arranged at the front side of the reagent placing area, a plurality of placing plates (6) are arranged in the reagent placing area, the placing plate (6) divides the reagent placing area into a plurality of placing unit areas (7), a rectangular air distribution channel (8) is arranged in the rear wall of the reagent placing area, the top of the air distribution channel (8) is communicated with a confluence channel (9), the port of the confluence channel (9) is positioned between the partition plate (2) and the air extractor (3), the left side and the right side of the air distribution channel (8) are symmetrically provided with a plurality of left holes (10) and right holes (11), one end of the left hole (10) close to the right hole (11) is communicated with the air distribution channel (8), one end of the left hole (10) far away from the right hole (11) is positioned in the corresponding unit placing area (7), and an adjusting mechanism (12) for opening or closing the left hole (10) is also arranged in the left hole (10) and the right hole (10).

2. The reagent cabinet for net air type manual adjustment of air distribution according to claim 1, wherein the length of the confluence channel (9) is identical to that of the air distribution channel (8).

3. The reagent cabinet for manually adjusting the air distribution of the air purification type is characterized in that a support (13) is fixedly connected to the outer side of the air pump (3), an annular mounting table (14) is fixedly connected to the air extraction purification area, the mounting table (14) is connected with the support (13) through a bolt (15), and the air pump (3) is located at the center of the mounting table (14).

4. The reagent cabinet for net air type manually adjusted to distribute air according to claim 3, characterized in that the lower surface of the mounting table (14) is tapered.

5. The air purifying reagent cabinet with the manual air distribution adjusting function according to claim 1, wherein the filter screen (4) is placed on a placing ring (16) in the air exhaust purification area, a sealing gasket (17) is arranged between the filter screen (4) and the placing ring (16), the lower side surface of the sealing gasket (17) is bonded with the placing ring (16) through strong glue, a rotating shaft (18) is rotatably connected to the corner point of the upper side of the cabinet body (1), a cross bar (19) is fixedly connected to the top end of the rotating shaft (18), a hollow pipe (20) is fixedly arranged in the cross bar (19), a threaded rod (21) is connected to the upper portion of the inner wall of the hollow pipe (20) in a threaded manner, a sliding block (22) is vertically slidably connected to the lower portion of the inner wall of the hollow pipe (20), a limiting ring for preventing the sliding block (22) from falling is fixedly connected to the bottom end of the inner wall of the hollow pipe (20), a pressing rod (23), the surface of the pressure lever (23) is sleeved with a supporting spring (24), the bottom end of the supporting spring (24) is fixedly connected with the limiting ring, and the top end of the supporting spring is fixedly connected with the sliding block (22).

6. The air purifying reagent cabinet capable of manually adjusting air distribution according to claim 5, wherein a pressure reducing pad is fixed to the bottom end of the pressure lever (23).

7. The air purifying reagent cabinet capable of manually adjusting air distribution as claimed in claim 5, wherein a screwing handle is fixedly connected to the top end of the threaded rod (21), and a hemisphere (25) is fixedly connected to the bottom end of the threaded rod.

8. The air purifying reagent cabinet capable of manually adjusting air distribution according to claim 1, wherein the adjusting mechanism (12) comprises a left piston (26), a right piston (29) and a connecting rod (28), a hard block (27) is fixedly connected to the right side of the left piston (26), two ends of the connecting rod (28) are respectively and horizontally fixedly connected with the hard block (27) and the right piston (29), a right rod (30) is fixedly connected to the right side of the right piston (29), and the right rod (30) is fixedly connected with the pull rod (31) together.

9. The air purifying reagent cabinet capable of manually adjusting air distribution according to claim 1, wherein a plurality of piston guide sets are fixedly connected between the left inner wall and the right inner wall of the air distribution channel (8), each piston guide set comprises a plurality of circumferential guide rods (32) arranged by taking the left hole (10) as a circle center, and the diameter of the circle where each piston guide set is located is the same as the diameters of the left piston (26) and the right piston (29).