CN215637801U - Ventilation device for chemical laboratory - Google Patents
Ventilation device for chemical laboratory Download PDFInfo
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- CN215637801U CN215637801U CN202122205828.9U CN202122205828U CN215637801U CN 215637801 U CN215637801 U CN 215637801U CN 202122205828 U CN202122205828 U CN 202122205828U CN 215637801 U CN215637801 U CN 215637801U
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- box body
- air
- access door
- locking
- outlet pipe
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Abstract
The utility model discloses a ventilation device for a chemical laboratory, which comprises a box body, wherein an air inlet pipe is arranged at the bottom of the box body, the air inlet pipe is connected with the box body through an air pump, an air outlet pipe is connected with the top of the box body, a second sealing element is arranged at the joint of the air outlet pipe and the box body, an air quality detection device is arranged in the air outlet pipe, the air outlet pipe is communicated with the air inlet pipe through a backflow device, a plurality of air filter elements are flatly arranged on the box body, an access door is arranged at one side of the box body, one end of the access door is hinged with the box body, a plurality of locking mechanisms used for connecting and locking the access door are arranged at the outer side of the box body, a first sealing element is arranged between the access door and the box body, and a controller is arranged at the other side of the box body. In practical application, the utility model has good compactness, good environmental protection performance and convenient maintenance, and can ensure the quality of the discharged gas.
Description
Technical Field
The utility model relates to the technical field of ventilation equipment, in particular to a ventilation device for a chemical laboratory.
Background
Carry out the in-process of chemistry experiment in the laboratory, can produce more peculiar smell gas, make the inside air quality variation in laboratory, generally adopt the mode of installation ventilation unit to carry out the replacement of indoor outer air, guarantee the circulation of air in laboratory.
The existing ventilation device for the chemical laboratory is difficult to overhaul and maintain when in use, is convenient to overhaul, is difficult to ensure the tightness of a connecting part, and is easy to cause gas leakage; the gas is discharged outdoors without detection, and the purification effect cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ventilation device for a chemical laboratory, which has the characteristics of good compactness, good environmental protection performance and convenience in maintenance, and can ensure the quality of exhaust gas.
The utility model is realized by the following steps:
the utility model provides a ventilation unit is used in chemistry experiment, the power distribution box comprises a box body, the bottom of box is equipped with the air-supply line, the air-supply line with the box passes through the air pump and connects, the top of box is connected with out the tuber pipe, go out the tuber pipe with the junction of box is equipped with the second sealing member, it is equipped with air quality detection device to go out the tuber pipe, it passes through the reflux unit intercommunication with the air-supply line to go out the tuber pipe, be equipped with a plurality of air filter core in the box, the access door has been seted up to one side of box, the one end of access door with the box is articulated, the box outside is equipped with a plurality of being used for connecting and locking the locking mechanism of access door, the access door with be equipped with first sealing member between the box, the opposite side of box is equipped with the controller, the controller respectively with air quality detection device and reflux unit electricity are connected.
Further, the air quality detection device is an air quality sensor, and the air quality sensor is fixedly connected with the inner wall of the air outlet pipe.
Furthermore, the backflow device comprises a backflow pipe used for communicating the air outlet pipe and the air inlet pipe, a first valve is arranged in the backflow pipe, a second valve is arranged in the air outlet pipe, and the first valve and the second valve are both electrically connected with the controller.
Further, the inner wall level of box just is provided with the spout, air filter's both sides be equipped with spout assorted track, air filter with the spout sliding connection of box inner wall.
Furthermore, the locking mechanism comprises a first mounting seat and a second mounting seat, the first mounting seat is arranged on the box body, the second mounting seat is arranged on the access door and corresponds to the first mounting seat in position, a locking handle is rotatably connected to the first mounting seat, a locking ring is rotatably connected to the middle of the locking handle, a locking hook is fixedly connected to the second mounting seat, and the locking ring is sleeved with the locking hook.
Furthermore, the access door with the box junction is equipped with the joint arch, the corresponding position on the box be equipped with protruding assorted recess, first sealing member sets up in the recess.
Furthermore, the number of the locking mechanisms is three, and the three locking mechanisms are respectively arranged on three side surfaces of one end, close to the access door, of the box body.
Compared with the prior art, the utility model has the beneficial effects that:
in practical application, air enters the box body from the air inlet pipe under the action of the air pump, after the air is purified for multiple times by the air filter element, the air quality detection device detects the quality of the purified air and sends a signal to the controller, the controller judges whether the air quality is qualified, and if the air quality is qualified, the backflow device is controlled to discharge the air to the outside from the air outlet pipe; if the gas is unqualified, the backflow device is controlled to enable the gas to return to the air inlet pipe again for circulation purification, the quality of the discharged gas is effectively guaranteed, the maintenance door is arranged to provide convenience for maintenance, the box body and the maintenance door are pressed and locked by the locking mechanism, gaps between the box body and the maintenance door are filled by matching with the first sealing element, the tightness of the device is effectively improved, the tightness of the device is further improved by arranging the second sealing element, gas leakage can be effectively prevented, the gas circulation device is good in tightness, the quality of the discharged gas can be guaranteed, the environmental protection performance is good, and meanwhile the gas circulation device has the characteristic of convenience in maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an air filter cartridge of the present invention.
The reference signs are: a box body 1; an air inlet pipe 2; an air pump 3; an air outlet pipe 4; an air quality detection device 5; an air filter element 6; an access door 7; a controller 8; a return pipe 9; a first valve 10; a second valve 11; a rail 12; a first mount 13; a second mount 14; a locking handle 15; a locking ring 16; a locking hook 17; a projection 18; a recess 19; a chute 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, a ventilation device for a chemical laboratory comprises a box body 1, an air inlet pipe 2 is arranged at the bottom of the box body 1, the air inlet pipe 2 is connected with the box body 1 through an air pump 3, an air outlet pipe 4 is connected with the top of the box body 1, a second sealing element is arranged at the joint of the air outlet pipe 4 and the box body 1, an air quality detection device 5 is arranged in the air outlet pipe 4, the air outlet pipe 4 is communicated with the air inlet pipe 2 through a backflow device, a plurality of air filter elements 6 are arranged in the box body 1, an access door 7 is arranged at one side of the box body 1, one end of the access door 7 is hinged with the box body 1, a plurality of locking mechanisms for connecting and locking the access door 7 are arranged at the outer side of the box body 1, a first sealing element is arranged between the access door 7 and the box body 1, and a controller 8 is arranged at the other side of the box body 1, the controller 8 is electrically connected with the air quality detection device 5 and the reflux device respectively.
In practical application, air enters the box body 1 from the air inlet pipe 2 under the action of the air pump 3, and is purified for multiple times by the air filter element 6, the air quality detection device 5 detects the quality of the purified air and sends a signal to the controller 8, the controller 8 judges whether the air quality is qualified, and if the air quality is qualified, the backflow device is controlled to discharge the air to the outside from the air outlet pipe 4; if the gas is unqualified, the backflow device is controlled to enable the gas to return to the air inlet pipe 2 again for circulation purification, the quality of the discharged gas is effectively guaranteed, the maintenance door 7 is arranged to provide convenience for maintenance, the box body 1 and the maintenance door 7 are pressed and locked by the locking mechanism and are matched with the first sealing element to fill gaps between the box body 1 and the maintenance door 7, the tightness of the device is effectively improved, the tightness of the device is further improved by the arrangement of the second sealing element, gas leakage can be effectively prevented, the tightness of the device is good, the quality of the discharged gas can be guaranteed, the environmental protection performance is good, and meanwhile, the device has the characteristic of convenience in maintenance.
Referring to fig. 1, the air quality detection device 5 is an air quality sensor, and the air quality sensor is fixedly connected with the inner wall of the air outlet pipe 4. In this embodiment, the air quality sensor detects the quality of the air purified by the air filter element 6 for multiple times, and sends a signal to the controller 8 for processing.
Referring to fig. 1, the backflow device includes a backflow pipe 9 for communicating the air outlet pipe 4 and the air inlet pipe 2, a first valve 10 is disposed in the backflow pipe 9, a second valve 11 is disposed in the air outlet pipe 4, and both the first valve 10 and the second valve 11 are electrically connected to the controller 8. In this embodiment, when the controller 8 determines that the air quality is qualified, the controller 8 controls the second valve 11 to be opened, and the first valve 10 is closed, so that the air is discharged to the outside from the air outlet pipe 4; when the controller 8 judges that the air quality is unqualified, the controller 8 controls the first valve 10 to be opened, meanwhile, the second valve 11 is closed, and the air flows back to the air inlet pipe 2 from the air outlet pipe 4 to be circularly purified.
Referring to fig. 1, the inner wall of the box body 1 is horizontally provided with a chute 20 opposite to the inner wall, two sides of the air filter element 6 are provided with rails 12 matched with the chute 20, and the air filter element 6 is slidably connected with the chute 20 on the inner wall of the box body 1. In this embodiment, the track 12 is matched with the chute 20, so that the detachable connection between the air filter element 6 and the box body 1 is realized.
Referring to fig. 1, the locking mechanism includes a first mounting seat 13 and a second mounting seat 14, the first mounting seat 13 is disposed on the box body 1, the second mounting seat 14 is disposed on the access door 7 and corresponds to the first mounting seat 13 in position, a locking handle 15 is rotatably connected to the first mounting seat 13, a locking ring 16 is rotatably connected to the middle of the locking handle 15, a locking hook 17 is fixedly connected to the second mounting seat 14, and the locking ring 16 is sleeved with the locking hook 17. In this embodiment, after the access door 7 is fastened to the box body 1, the locking ring 16 is placed into the locking hook 17, and then the locking handle 15 is pulled, so that the locking ring 16 is fixedly locked in the locking hook 17, and the locking mechanism adopts such a structure, so that the access door 7 is tightly fastened to the box body 1, and is convenient to open, thereby providing convenience for maintenance.
Referring to fig. 1, a connection protrusion 18 is disposed at a connection position of the access door 7 and the box body, a groove 19 matched with the protrusion 18 is disposed at a corresponding position on the box body, and the first sealing element is disposed in the groove 19. In this embodiment, when the access door 7 is fastened to the box 1, the protrusion 18 is inserted into the groove 19 provided with the first sealing member, which further improves the tightness of the device.
Referring to fig. 1, there are three locking mechanisms, and the three locking mechanisms are respectively disposed on three side surfaces of the box body 1 near one end of the access door 7. In this embodiment, three locking mechanisms are provided, so that the access door 7 and the box body 1 are connected more tightly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a chemistry experiment uses ventilation unit which characterized in that: comprises a box body (1), the bottom of the box body (1) is provided with an air inlet pipe (2), the air inlet pipe (2) is connected with the box body (1) through an air pump (3), the top of the box body (1) is connected with an air outlet pipe (4), a second sealing element is arranged at the joint of the air outlet pipe (4) and the box body (1), an air quality detection device (5) is arranged in the air outlet pipe (4), the air outlet pipe (4) is communicated with the air inlet pipe (2) through a backflow device, a plurality of air filter elements (6) are arranged in the box body (1), one side of the box body (1) is provided with an access door (7), one end of the access door (7) is hinged with the box body (1), the outer side of the box body (1) is provided with a plurality of locking mechanisms used for connecting and locking the access door (7), a first sealing element is arranged between the access door (7) and the box body (1), and a controller (8) is arranged on the other side of the box body (1), and the controller (8) is electrically connected with the air quality detection device (5) and the reflux device respectively.
2. The ventilation device for the chemical laboratory according to claim 1, wherein the air quality detection device (5) is an air quality sensor, and the air quality sensor is fixedly connected with the inner wall of the air outlet pipe (4).
3. The ventilation device for the chemical laboratory according to claim 1, wherein the backflow device comprises a backflow pipe (9) for communicating the air outlet pipe (4) with the air inlet pipe (2), a first valve (10) is arranged in the backflow pipe (9), a second valve (11) is arranged in the air outlet pipe (4), and the first valve (10) and the second valve (11) are both electrically connected with the controller (8).
4. The ventilation device for the chemical laboratory according to claim 1, wherein a sliding groove (20) is horizontally and oppositely arranged on the inner wall of the box body (1), rails (12) matched with the sliding groove (20) are arranged on two sides of the air filter element (6), and the air filter element (6) is in sliding connection with the sliding groove (20) on the inner wall of the box body (1).
5. The ventilation device for the chemical laboratory according to claim 1, wherein the locking mechanism comprises a first mounting seat (13) and a second mounting seat (14), the first mounting seat (13) is arranged on the box body (1), the second mounting seat (14) is arranged on the access door (7) and corresponds to the first mounting seat (13), a locking handle (15) is rotatably connected to the first mounting seat (13), a locking ring (16) is rotatably connected to the middle of the locking handle (15), a locking hook (17) is fixedly connected to the second mounting seat (14), and the locking ring (16) is sleeved with the locking hook (17).
6. A ventilation device for chemical laboratory according to claim 1, characterized in that the access door (7) is provided with a connecting protrusion (18) at the connection with the box body, a groove (19) matching with the protrusion (18) is provided at the corresponding position on the box body, and the first sealing member is provided in the groove (19).
7. A ventilation device for chemical laboratory according to claim 1, characterized in that, there are three locking mechanisms, and three locking mechanisms are respectively arranged on three sides of the box body (1) near one end of the access door (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205828.9U CN215637801U (en) | 2021-09-13 | 2021-09-13 | Ventilation device for chemical laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205828.9U CN215637801U (en) | 2021-09-13 | 2021-09-13 | Ventilation device for chemical laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215637801U true CN215637801U (en) | 2022-01-25 |
Family
ID=79915290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122205828.9U Active CN215637801U (en) | 2021-09-13 | 2021-09-13 | Ventilation device for chemical laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215637801U (en) |
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2021
- 2021-09-13 CN CN202122205828.9U patent/CN215637801U/en active Active
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