CN210876690U - Fume hood acid mist discharging equipment - Google Patents
Fume hood acid mist discharging equipment Download PDFInfo
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- CN210876690U CN210876690U CN201921780316.1U CN201921780316U CN210876690U CN 210876690 U CN210876690 U CN 210876690U CN 201921780316 U CN201921780316 U CN 201921780316U CN 210876690 U CN210876690 U CN 210876690U
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- rod
- fume hood
- air guide
- push plate
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Abstract
The utility model provides a fume hood acid mist discharging equipment, relates to mechanical equipment, including fastening device, sliding fit has air guide adjusting tube group on the fastening device, the hose of intercommunication air exit is installed to air guide adjusting tube group upper end, and air guide adjusting tube group lower tip is equipped with the fog absorbing cover. The utility model discloses a movable inhales the fog cover, makes things convenient for it to remove in the ventilation department for waste gas such as acid mist that produce discharges very first time, reduces the corruption and the human injury to the fume hood. The maintenance cost is low, and the replacement cost is low after long-time corrosion and damage.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment and specifically relates to a fume hood acid mist discharging equipment.
Background
Fume hoods, also known as fume hoods or fume hoods, are large devices used in laboratories, especially in chemical laboratories. The purpose is to reduce the contact between experimenters and harmful gases. Complete insulation requires the use of a glove box. Fume hoods are primary barriers to protect personnel from toxic chemical fumes. The device can be used as an important safety backup device, such as a device which can effectively discharge harmful gas when chemical smoke, dust and toxic gas are generated during the failure of a chemical experiment process, and protect the environment of workers and a laboratory.
Traditional laboratory fume hood design structure sets up the air outlet at the fume hood top, with waste gas emissions such as acid mist that the experimentation produced.
Because of the air exit is at the top, even the air exhaust ability of fan is very powerful, has diffused in whole fume hood before the acid mist discharges, wherever the acid mist contacts, also can produce the corrosive injury effect to fume hood entire system along with the increase of live time, including the operator.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a fume hood acid mist discharging equipment can avoid the emergence of above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a fume hood acid mist discharging equipment, includes fastening device, the last sliding fit of fastening device has the air guide adjusting tube group, the hose of intercommunication air exit is installed to air guide adjusting tube group upper end, and air guide adjusting tube group lower tip is equipped with the fog absorbing cover.
Furthermore, the air guide adjusting pipe group comprises an outer sleeve, an inner pipe and an adjusting knob, the outer sleeve and the inner pipe are in threaded connection through an adjusting knob bolt, and the adjusting knob bolt can enable the inner pipe to be in sliding fit or positioned at one position of the outer sleeve.
Furthermore, the fastening mechanism comprises bolts, fastening nuts, connecting sleeves, rotating shafts and supporting rods, wherein two ends of each flow guide hole are respectively provided with one bolt and screwed through the fastening nuts, the connecting sleeves are sleeved at the end parts of the two bolts, the rotating shafts are fixedly connected on the connecting sleeves, the supporting rods are inserted between the two rotating shafts, a plurality of guide holes are formed in the supporting rods, and air guide adjusting pipe groups are inserted in the guide holes.
Further, fastening device includes first sucking disc, second sucking disc, left double-screw bolt, right double-screw bolt, dwang, first rectangular hole, second rectangular hole, first sucking disc adsorbs on the fume cupboard inner wall with the second sucking disc, fixedly connected with left double-screw bolt on the first sucking disc, fixedly connected with right double-screw bolt on the second sucking disc, and wherein the screw direction on left double-screw bolt and the right double-screw bolt is different, and left double-screw bolt and right double-screw bolt be threaded connection respectively at the dwang both ends first rectangular hole and the rectangular downthehole of second, are equipped with a plurality of guiding holes on the dwang, it adjusts the nest of tubes to peg graft in the guiding hole has the air guide.
Furthermore, the fastening mechanism comprises a central rod, two ends of the central rod are provided with a T-shaped hole formed by a sliding hole and a vertical hole, the end part of the sliding hole is provided with a plugging plate with a through hole, the sliding hole is internally matched with a push plate in a sliding way, the push plate is fixedly connected with an insertion rod, the insertion rod penetrates through the through hole in the plugging plate and then is inserted into the insertion tube, the insertion tube is fixedly connected onto a side suction disc, the side suction disc is adsorbed on the inner wall of the fume hood, a spring is installed between the plugging plate and the push plate, the central rod is provided with a plurality of vertical holes, and an air guide adjusting pipe group is inserted into the vertical holes.
Furthermore, the fastening mechanism comprises a central rod, sliding holes are formed in two ends of the central rod, a plugging plate with a through hole is arranged at the end part of the sliding hole, a push plate is in sliding fit in the sliding hole, an insertion rod is fixedly connected to the push plate and penetrates through the through hole in the plugging plate to be inserted into the insertion tube, the insertion tube is fixedly connected to a side sucker, the side sucker is adsorbed on the inner wall of the fume hood, a spring is arranged between the plugging plate and the push plate, a left hinge block is arranged on the push plate, a right hinge block is arranged at one end, away from the push plate, of the sliding hole, a lower hinge block is arranged at the bottom of the sliding hole, an upper hinge block is arranged at the top of the sliding hole, the left hinge block is connected with the lower hinge block through a first rod, the lower hinge block is connected with the right hinge block through a second rod, the right hinge block is connected with the upper hinge block through a third rod, and the upper, still rotate on articulated piece down and be connected with the fifth pole, threaded connection is in the vertical threaded hole of sliding hole upside behind the fifth pole passes the guiding hole that is located articulated piece, and fifth pole upper end has the nut soon, is equipped with a plurality of vertical holes on the well core rod, peg graft in the vertical hole and have the air guide to adjust the nest of tubes.
Further, fastening device includes well core rod, well core rod both ends are equipped with the slip hole, are equipped with the closure plate that has the through-hole at the slip hole tip, sliding fit has the push pedal in the slip hole, fixedly connected with inserted bar in the push pedal, the inserted bar passes and pegs graft in the intubate behind the through-hole on the closure plate, intubate fixed connection is on the side sucking disc, the side sucking disc adsorbs on the fume hood inner wall, installs the spring between closure plate and push pedal, install a connecting axle in the slip hole, it is connected with the dwang to rotate on the connecting axle, the dwang rotates and is connected with the swinging arms, the swinging arms is connected with the fixed block, fixed block fixed mounting is equipped with a plurality of guiding holes in the push pedal on well core rod, peg graft in the guiding hole and have the air.
The utility model has the advantages that: the utility model discloses a movable inhales the fog cover, makes things convenient for it to remove in the ventilation department for waste gas such as acid mist that produce discharges very first time, reduces the corruption and the human injury to the fume hood. The maintenance cost is low, and the replacement cost is low after long-time corrosion and damage.
Drawings
FIG. 1 is a schematic three-dimensional view of a fume hood;
FIG. 2 is a schematic view of the usage state of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a top view of the first embodiment;
FIG. 5 is a schematic view showing the structure of an air guide adjusting tube group;
FIG. 6 is a schematic structural diagram of a second embodiment;
FIG. 7 is a schematic structural diagram of a third embodiment;
FIG. 8 is a schematic structural diagram of a fourth embodiment;
FIG. 9 is an enlarged view of a portion of FIG. 8 at B;
FIG. 10 is a schematic structural view of the fifth embodiment;
in the figure: 11 outer shell, 12 working area, 13 lower cabinet, 14 breaker, 15 liquid crystal screen, 16 fixed window, 17 movable sliding door, 18 ventilation guide plate, 181 ventilation hole,
21 bolt, 22 fastening nut, 23 connecting sleeve, 24 rotating shaft, 25 supporting rod, 26 guiding hole, 27 outer sleeve, 28 inner pipe, 29 adjusting knob bolt, 210 mist absorbing cover,
31 a first suction cup, 32 a second suction cup, 33 a left stud, 34 a right stud, 35 a rotating rod, 36 a first elongated hole, 37 a second elongated hole,
41 side suction cups, 42 insertion tubes, 43 center rods, 44 sliding holes, 45 vertical holes, 46 push plates, 47 insertion rods, 48 springs,
51 left hinge block, 52 lower hinge block, 53 right hinge block, 54 upper hinge block, 55 first rod, 56 second rod, 57 third rod, 58 fourth rod, 59 fifth rod, 510 nut,
the fixing block 61, the swing rod 62, the rotating rod 63 and the connecting shaft 64 are connected.
Detailed Description
The fume hood 1 can be purchased and simply introduced, and referring to fig. 1, the fume hood comprises an outer shell 11, a working area 12 is arranged in the middle of the fume hood, a lower cabinet 13 is arranged on the lower side of the fume hood, a circuit breaker 14 and a liquid crystal screen 15 are arranged on one side of the working area, a fixed window 16 is arranged above the working area, a movable sliding door 17 is arranged on the working area and can be pulled to move up and down to seal the working area, a ventilation guide plate 18 is arranged in the working area, and a guide hole 181 is formed in the ventilation guide plate.
First embodiment
Referring to fig. 2, the fume hood acid mist discharging device is fixedly installed in a fume hood 1, and comprises a fastening mechanism, wherein an air guide adjusting pipe group is slidably matched on the fastening mechanism, a hose communicated with an air outlet is installed at the upper end of the air guide adjusting pipe group, and a mist absorbing cover 210 is arranged at the lower end of the air guide adjusting pipe group.
In this embodiment, the fastening mechanism includes a bolt 21, a fastening nut 22, a connecting sleeve 23, a rotating shaft 24 and a supporting rod 25, two ends of the diversion hole are respectively provided with a bolt 21 and screwed by the fastening nut, two ends of the bolt are sleeved into the connecting sleeve 23, the connecting sleeve is fixedly connected with the rotating shaft 23, the supporting rod is inserted between the two rotating shafts, the supporting rod is provided with a plurality of guiding holes 26, and an air guide adjusting pipe group is inserted in the guiding holes.
In at least one embodiment, the air guide adjustment tube set includes an outer sleeve 27, an inner tube 28, and an adjustment knob 29, the outer sleeve 27 and the inner tube 28 are threaded by an adjustment knob bolt, which can slide or position the inner tube 28 at a location of the outer sleeve 27.
The lower orifice of the inner pipe is connected with a mist absorbing cover 210.
The working mode is that the positions of the tail end fog absorbing cover of the inner pipe can be changed by changing different flow guide holes, rotating the support rod, adjusting the position of the air guide adjusting pipe group on the support rod and adjusting the positions of the outer sleeve and the inner pipe so as to adapt to the adsorption of corrosive gas on the baked cake at different positions.
Second embodiment
Referring to fig. 6, the difference from the first embodiment is in the fastening mechanism.
In this embodiment, fastening device includes first sucking disc 31, second sucking disc 32, left double-screw bolt 33, right double-screw bolt 34, dwang 35, first rectangular hole 36, second rectangular hole 37, first sucking disc adsorbs on the fume hood inner wall with the second sucking disc, fixedly connected with left double-screw bolt on the first sucking disc, fixedly connected with right double-screw bolt on the second sucking disc, and wherein the screw thread direction on left double-screw bolt and the right double-screw bolt is different, and left double-screw bolt and right double-screw bolt are threaded connection respectively in the first rectangular hole and the second rectangular hole at dwang both ends. The rotation through the dwang makes the position of first sucking disc and second sucking disc relative or back-to-back motion to make first sucking disc and second sucking disc fastening on the fume hood inner wall, or convenient break away from the fume hood.
A plurality of guide holes are formed in the rotating rod, and air guide adjusting pipe groups are inserted into the guide holes.
Third embodiment
Referring to fig. 7, the difference from the first embodiment is in the fastening mechanism.
The fastening mechanism comprises a central rod 43, two ends of the central rod are provided with a T-shaped hole formed by a sliding hole 44 and a vertical hole 45, the end part of the sliding hole is provided with a plugging plate with a through hole, the sliding hole is internally matched with a push plate 46 in a sliding way, the push plate is fixedly connected with an inserted rod 47, the inserted rod penetrates through the through hole in the plugging plate and then is inserted into an inserted tube 42, the inserted tube is fixedly connected onto a side suction disc 41, and the side suction disc is adsorbed on the inner wall of the fume hood. A spring 48 is mounted between the blocking plate and the push plate.
The central rod is provided with a plurality of vertical holes, and an air guide adjusting pipe group is inserted in the vertical holes.
Fourth embodiment
Referring to fig. 8, the difference from the first embodiment is in the fastening mechanism.
The fastening mechanism comprises a central rod 43, sliding holes 44 are formed in two ends of the central rod, a plugging plate with a through hole is arranged at the end part of each sliding hole, a push plate 46 is matched in each sliding hole in a sliding mode, an inserting rod 47 is fixedly connected to the push plate, the inserting rod penetrates through the through hole in the plugging plate and then is inserted into an inserting tube 42, the inserting tube is fixedly connected to a side sucking disc 41, and the side sucking disc is adsorbed on the inner wall of the fume hood. A spring 48 is mounted between the blocking plate and the push plate.
Install left articulated piece 51 on the push pedal, it is equipped with right articulated piece 53 to keep away from push pedal one end at the slide opening, articulated piece 52 is equipped with down at the slide opening bottom, be equipped with articulated piece 54 on the slide opening top, wherein left articulated piece is connected through first pole 55 with articulated piece down, articulated piece is connected through second pole 56 with right articulated piece down, articulated piece is connected through third pole 57 with last articulated piece in the right side, it is connected through fourth pole 58 with articulated piece in the left side to go up articulated piece, still rotate on articulated piece down and be connected with fifth pole 59, threaded connection is in the vertical threaded hole of slide opening upside behind the guiding hole that fifth pole passed on articulated piece, fifth pole upper end has screwed nut 510. The fifth rod is enabled to move along the vertical threaded hole by rotating the fifth rod, the position of the push plate in the sliding hole is changed, and therefore the side suction disc is fastened on the inner wall of the fume hood.
The center rod is provided with a plurality of guide holes, and an air guide adjusting pipe group is inserted in the guide holes.
Fifth embodiment
Referring to fig. 10, the difference from the first embodiment is in the fastening mechanism.
The fastening mechanism comprises a central rod 43, sliding holes 44 are formed in two ends of the central rod, a plugging plate with a through hole is arranged at the end part of each sliding hole, a push plate 46 is matched in each sliding hole in a sliding mode, an inserting rod 47 is fixedly connected to the push plate, the inserting rod penetrates through the through hole in the plugging plate and then is inserted into an inserting tube 42, the inserting tube is fixedly connected to a side sucking disc 41, and the side sucking disc is adsorbed on the inner wall of the fume hood. A spring 48 is mounted between the blocking plate and the push plate.
Install a connecting axle 64 in the sliding hole, it is connected with dwang 63 to rotate on the connecting axle, the dwang rotates and is connected with swinging arms 62, the swinging arms is connected with fixed block 61, fixed block fixed mounting forms a slider-crank mechanism in the push pedal, can realize that the push pedal removes along the sliding hole.
The center rod is provided with a plurality of guide holes, and an air guide adjusting pipe group is inserted in the guide holes.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (6)
1. The fume hood acid mist discharging device is characterized by comprising a fastening mechanism, wherein an air guide adjusting pipe group is slidably matched on the fastening mechanism, a hose communicated with an air outlet is installed at the upper end part of the air guide adjusting pipe group, and a mist suction cover is arranged at the lower end part of the air guide adjusting pipe group.
2. A fume hood acid mist discharge apparatus according to claim 1 wherein said air guide duct assembly comprises an outer tube, an inner tube and an adjustment knob, said outer and inner tubes being threadably connected by an adjustment knob bolt, said adjustment knob bolt being adapted to slidably engage or locate said inner tube at a location on said outer tube.
3. A fume hood acid mist discharging device according to claim 1 or 2, wherein the fastening mechanism comprises a first suction cup, a second suction cup, a left stud, a right stud, a rotating rod, a first strip hole and a second strip hole, the first suction cup and the second suction cup are adsorbed on the inner wall of the fume hood, the first suction cup is fixedly connected with the left stud, the second suction cup is fixedly connected with the right stud, the left stud and the right stud are different in thread direction, the left stud and the right stud are respectively in threaded connection with the first strip hole and the second strip hole at two ends of the rotating rod, a plurality of guide holes are formed in the rotating rod, and an air guide adjusting pipe group is inserted in the guide holes.
4. A fume hood acid mist discharging device according to claim 1 or 2, wherein the fastening mechanism comprises a central rod, two ends of the central rod are provided with a T-shaped hole formed by a sliding hole and a vertical hole, the end part of the sliding hole is provided with a plugging plate with a through hole, a push plate is slidably fitted in the sliding hole, the push plate is fixedly connected with an inserted rod, the inserted rod passes through the through hole in the plugging plate and then is inserted in an inserted tube, the inserted tube is fixedly connected to a side suction disc, the side suction disc is adsorbed on the inner wall of the fume hood, a spring is arranged between the plugging plate and the push plate, the central rod is provided with a plurality of vertical holes, and an air guide adjusting tube group is inserted in the vertical holes.
5. A fume hood acid mist discharging device according to claim 1 or 2, wherein the fastening mechanism comprises a central rod, sliding holes are arranged at two ends of the central rod, a plugging plate with a through hole is arranged at the end part of the sliding hole, a push plate is slidably fitted in the sliding hole, an insertion rod is fixedly connected to the push plate, the insertion rod passes through the through hole of the plugging plate and is inserted into the insertion tube, the insertion tube is fixedly connected to a side suction cup, the side suction cup is adsorbed on the inner wall of the fume hood, a spring is arranged between the plugging plate and the push plate, a left hinge block is arranged on the push plate, a right hinge block is arranged at one end of the sliding hole far away from the push plate, a lower hinge block is arranged at the bottom of the sliding hole, an upper hinge block is arranged at the top of the sliding hole, wherein the left hinge block is connected with the lower hinge block through a first rod, and the lower hinge block is connected with, the right hinged block is connected with the upper hinged block through a third rod, the upper hinged block is connected with the left hinged block through a fourth rod, a fifth rod is further rotatably connected onto the lower hinged block, the fifth rod penetrates through a vertical threaded hole in the upper side of the sliding hole after penetrating through a guide hole in the upper hinged block, a nut is screwed at the upper end of the fifth rod, a plurality of vertical holes are formed in the central rod, and an air guide adjusting pipe group is inserted into the vertical holes.
6. Fume hood acid mist discharge apparatus according to claim 1 or 2, wherein said fastening means comprises a central rod provided with sliding holes at both ends, the end part of the sliding hole is provided with a plugging plate with a through hole, a push plate is matched in the sliding hole in a sliding way, the push plate is fixedly connected with an inserted bar which passes through the through hole on the plugging plate and then is inserted in the insertion tube, the insertion tube is fixedly connected to the side sucker which is adsorbed on the inner wall of the fume hood, a spring is arranged between the plugging plate and the push plate, a connecting shaft is arranged in the sliding hole, a rotating rod is rotatably connected on the connecting shaft, the dwang rotates and is connected with the swinging arms, the swinging arms is connected with the fixed block, fixed block fixed mounting is equipped with a plurality of guiding holes in the push pedal on the well core rod, peg graft in the guiding hole and have the air guide to adjust the nest of tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921780316.1U CN210876690U (en) | 2019-10-22 | 2019-10-22 | Fume hood acid mist discharging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921780316.1U CN210876690U (en) | 2019-10-22 | 2019-10-22 | Fume hood acid mist discharging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210876690U true CN210876690U (en) | 2020-06-30 |
Family
ID=71330642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921780316.1U Active CN210876690U (en) | 2019-10-22 | 2019-10-22 | Fume hood acid mist discharging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210876690U (en) |
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2019
- 2019-10-22 CN CN201921780316.1U patent/CN210876690U/en active Active
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