CN211359986U - Safe fire prevention laboratory fume chamber - Google Patents
Safe fire prevention laboratory fume chamber Download PDFInfo
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- CN211359986U CN211359986U CN201921712119.6U CN201921712119U CN211359986U CN 211359986 U CN211359986 U CN 211359986U CN 201921712119 U CN201921712119 U CN 201921712119U CN 211359986 U CN211359986 U CN 211359986U
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Abstract
The utility model discloses a safe fire prevention laboratory fume chamber, the intelligent cabinet temperature adjusting device comprises a cabinet body, the cabinet body sets up to two upper and lower cavity structures completely isolated, be fixed with two jet-propelled pipes on going up the left and right sides lateral wall of cavity respectively, bottom side wall left and right sides position department of cavity disposes a fire pot symmetrically respectively under, each corresponds the cover on left side screw rod and right side screw rod and is equipped with the strip and controls the board, the bottom plate body that the strip was controlled the board sets up to pressing the splenium, it is rotatory by servo motor drive that the initiative bevel gear is installed the extraction fan in the inlet air duct, install the exhaust fan in the discharge passage, still add in the passageway of discharge passage and be equipped with the active. The utility model discloses can realize the fire prevention purpose, ensure the safety in utilization of the cabinet body to, utilize extraction fan and exhaust fan to carry out the air exchange circulation, safety ring protects.
Description
Technical Field
The utility model relates to a relevant technical field of laboratory paraphernalia specifically is a safe fire prevention laboratory fume chamber.
Background
In chemical experiments, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated during experimental operation, and in order to protect the safety of users and prevent pollutants in a laboratory from diffusing to the laboratory, a ventilation cabinet is used near a pollution source.
The conflagration can take place in a lot of chemical experiment processes, the way among the prior art is to open the fume chamber window and use the fire extinguisher to put out a fire the manual work after the conflagration takes place, but this kind of method has certain time delay nature, near the fire extinguisher existence that appears the cabinet body very easily on the one hand loses the phenomenon of looking for invisibility, on the other hand can appear because of the untimely threat and the huge laboratory loss of property that cause personal safety of putting out a fire again, the ventilation and the fire extinguishing effect of the cabinet body are all not good, influence the air exchange circulation, safety ring protects the nature is poor, therefore, this application has redesigned a neotype fume chamber that the fire extinguishing effect is good and the air exchange is smooth and.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safe fire prevention laboratory fume chamber to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a safe fireproof laboratory ventilation cabinet comprises a cabinet body, wherein the cabinet body is arranged into an upper cavity structure and a lower cavity structure which are completely isolated, two air injection pipes are respectively fixed on the left side wall and the right side wall of an upper cavity, a plurality of spray heads are uniformly distributed on the inner side pipe wall of each air injection pipe, fire extinguishing tanks are respectively and symmetrically arranged at the left side position and the right side position of the bottom side wall of a lower cavity, the end part of each fire extinguishing tank is provided with an opening and closing handle and an exhaust hole, the exhaust holes and the air injection pipes are communicated together through an air transmission pipeline, a screw rod is arranged in the inner cavity of the lower cavity and in a horizontal rotating state corresponding to the upper position of each fire extinguishing tank through a bearing seat, external thread lines are arranged on the outer side part of the screw rod, a guide column is arranged in the inner cavity of the lower cavity and in a horizontal fixed state corresponding to the upper position of the screw rod on the left, the bottom plate body of strip control panel sets up to pressing the splenium, and driven bevel gear is respectively installed to the right-hand member tip of left side screw rod and the left end tip of right side screw rod, and two driven bevel gears are in the same place with initiative bevel gear looks adaptation meshing simultaneously, and the initiative bevel gear is rotatory by the servo motor drive, has link up on going up the bottom of cavity about both sides lateral wall and has seted up inlet air duct, install the extraction fan in the inlet air duct, have link up on the top lateral wall of going up the cavity and have seted up discharge passage, install the exhaust fan in the discharge passage, still add in discharge passage's passageway and be equipped with the active.
As a further aspect of the present invention: the upper chamber has a larger spatial dimension than the lower chamber.
As a further aspect of the present invention: the left fire extinguishing tank is horizontally fixed and placed, and the end head of the left fire extinguishing tank is arranged towards the left, and the right fire extinguishing tank is horizontally fixed and placed, and the end head of the right fire extinguishing tank is arranged towards the right.
As a further aspect of the present invention: the guide through hole formed in the top plate body of the strip-shaped control plate is matched and penetrated with the guide column, and the internal thread through hole formed in the middle plate body of the strip-shaped control plate is matched and penetrated with the thread line of the screw rod.
As a further aspect of the present invention: the exhaust fan is driven by the exhaust motor to work.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at the internal fire extinguishing tank that is equipped with of prior art's cabinet, the screw rod, the guide post, the strip control panel, gas transmission pipeline, driven bevel gear, initiative bevel gear, servo motor and jet-propelled pipe, carbon dioxide can be released and jet, realize the fire prevention purpose with this, the safety in utilization of the cabinet body has been ensured, and, utilize extraction fan and exhaust fan to carry out the air exchange circulation, waste gas in the cabinet chamber can discharge after the simple purification under the effect of active carbon adsorption layer again, safety ring protects, wide popularization and application prospect has.
Drawings
Fig. 1 is a schematic structural diagram of a safety fire-proof laboratory fume hood.
Fig. 2 is a schematic side view of a strip control panel in a safety fire-proof laboratory fume hood.
Fig. 3 is an enlarged schematic view of a in fig. 1.
In the figure: 1-cabinet body, 101-, 102-, 2-gas ejector pipe, 3-gas transmission pipeline, 4-fire extinguishing tank, 5-strip control plate, 501-guide through hole, 502-internal thread through hole, 503-pressing part, 6-guide column, 7-screw, 8-servo motor, 9-driving bevel gear, 10-driven bevel gear, 11-discharge channel, 12-exhaust fan, 13-active carbon adsorption layer, 14-exhaust motor, 15-air inlet channel, 16-exhaust fan and 17-exhaust motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a safe fireproof laboratory fume hood includes a cabinet body 1, the cabinet body 1 is configured as an upper and a lower completely isolated chamber structures, and a spatial dimension of the upper chamber is greater than a spatial dimension of the lower chamber.
Two gas nozzles 2 are respectively fixed on the left and right side walls of the upper chamber 101, a plurality of spray heads are uniformly distributed on the inner side pipe wall of each gas nozzle 2, two fire extinguishing pots 4 are respectively symmetrically arranged at the left and right side positions of the bottom side wall of the lower chamber 102, the fire extinguishing pot 4 at the left side is horizontally and fixedly arranged, the end head part of the fire extinguishing pot 4 at the right side is provided with an opening and closing handle 401 and an exhaust hole 402, the exhaust hole 402 is communicated with the gas nozzle 2 through a gas transmission pipeline 3, a screw 7 is arranged in the inner chamber of the lower chamber and at the position corresponding to the upper part of the fire extinguishing pot 4 in a horizontal rotating state through a bearing seat, an external thread grain is arranged on the outer side part of the screw 7, and a guide column 6 is arranged in the inner chamber of the lower chamber and at the position corresponding to, the strip-shaped control plate 5 is correspondingly sleeved on the external thread line of the left screw 7 and the thread line of the right screw 7, a guide through hole 501 formed in the top plate body of the strip-shaped control plate 5 is matched and penetrated with the guide column 6, an internal thread through hole 502 formed in the middle plate body of the strip-shaped control plate 5 is matched and penetrated with the thread line of the screw 7, the bottom plate body of the strip-shaped control plate 5 is provided with a pressing part 503, the right end part of the left screw 7 and the left end part of the right screw 7 are respectively provided with a driven bevel gear 10, the two driven bevel gears 10 are matched and meshed with the driving bevel gear 9 at the same time, and the driving bevel gear 9 is driven to rotate by the servo motor 8.
Go up to link up on the bottom left and right sides lateral wall of cavity and seted up inlet channel 15, install extraction fan 16 in the inlet channel 15, extraction fan 16 is by air draft motor 17 drive work, goes up to link up on the top lateral wall of cavity and has seted up exhaust passage 11, install exhaust fan 12 in the exhaust passage 11, exhaust fan 12 is by the 14 drive work of air exhaust motor, still installs activated carbon adsorption layer 13 additional in exhaust passage 11's passageway.
Through the safe fireproof laboratory ventilation cabinet designed by the utility model, a fire extinguishing tank 4, a screw 7, a guide post 6, a strip-shaped control board 5, a gas transmission pipeline 3, driven bevel gears 10, a driving bevel gear 9, a servo motor 8 and a gas injection pipe 2 are additionally arranged in the cabinet body in the prior art, when a fire disaster occurs in the cabinet body due to accidents, the servo motor 8 is immediately opened, the driving bevel gear 9 drives the two driven bevel gears 10 to synchronously rotate, the screw 7 on the left side and the right side synchronously rotate, because the guide through hole 501 formed on the top board body of the strip-shaped control board 5 is matched with the guide post 6 and penetrates together, and the internal thread through hole 502 formed on the middle board body of the strip-shaped control board 5 is matched with the thread pattern of the screw 7 and penetrates together, according to the knowledge of the mechanical transmission theory, the two strip-shaped control boards 5 are synchronously displaced towards the inner side, and then utilize the splenium 503 on the strip control panel 5 to exert the dynamics for opening and close 401, fire extinguishing tank 4 is activated, the carbon dioxide that releases circulates to gas injection pipe 2 under the transport of gas transmission pipeline 3, and then spray under the effect of a plurality of shower nozzles, with this realization fire prevention purpose, the safety in utilization of the cabinet body has been ensured, and, open air suction motor 17 and air exhaust motor 14, utilize exhaust fan 16 and exhaust fan 12 to carry out the air exchange circulation, waste gas in the cabinet chamber can be discharged after simple purification under the effect of active carbon adsorption layer 13, safety ring protects, wide popularization and application prospect has.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a safe fire prevention laboratory fume chamber, includes the cabinet body (1), its characterized in that, the cabinet body (1) sets up to two completely isolated upper and lower cavity structures, is fixed with two fumaroles (2) respectively on the left and right sides lateral wall of last cavity (101), the equipartition has a plurality of shower nozzle on the inboard pipe wall of fumarole (2), and the punishment of the bottom side wall left and right sides position of cavity (102) has one fire extinguishing tank (4) down respectively symmetrical configuration, the end portion of fire extinguishing tank (4) has opens and close handle (401) and exhaust hole (402), is linked together through gas transmission pipeline (3) between exhaust hole (402) and the fumarole (2), and in the inner chamber of lower cavity, the top position department that corresponds fire extinguishing tank (4) is the horizontal rotation state through the bearing frame and is provided with screw rod (7), the external screw thread line has on the face of the outside of screw rod (, a guide post (6) is horizontally fixed in the inner cavity of the lower chamber and above the corresponding screw (7), a strip-shaped control plate (5) is sleeved on the external thread line of the left screw (7) and the thread line of the right screw (7) correspondingly, the bottom plate body of the strip-shaped control plate (5) is provided with a pressing part (503), the right end part of the left screw (7) and the left end part of the right screw (7) are respectively provided with a driven bevel gear (10), the two driven bevel gears (10) are meshed with a driving bevel gear (9) in a matching way, the driving bevel gear (9) is driven by a servo motor (8) to rotate, the left side wall and the right side wall of the bottom of the upper chamber are provided with air inlet channels (15) in a through way, a suction fan (16) is arranged in the air inlet channels (15), and the top side wall of the upper chamber is provided with a, exhaust fan (12) are installed in exhaust passage (11), still install activated carbon adsorption layer (13) additional in the passageway of exhaust passage (11).
2. A safety fire protection laboratory fume hood according to claim 1, characterized in that the upper chamber (101) has a spatial dimension greater than the spatial dimension of the lower chamber (102).
3. A safety fire protection laboratory fume hood according to claim 1, characterized in that the left fire suppression pots (4) are horizontally fixed and their end portions are arranged to the left, and the right fire suppression pots (4) are horizontally fixed and their end portions are arranged to the right.
4. The safe fireproof laboratory fume hood according to claim 1, wherein the guide through hole (501) formed in the top plate body of the strip-shaped control plate (5) is matched and penetrated with the guide column (6), and the internal thread through hole (502) formed in the middle plate body of the strip-shaped control plate (5) is matched and penetrated with the thread line of the screw rod (7).
5. A safety fire protection laboratory fume hood according to claim 1, characterized in that the suction fan (16) is driven by a suction motor (17) and the exhaust fan (12) is driven by an exhaust motor (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712119.6U CN211359986U (en) | 2019-10-14 | 2019-10-14 | Safe fire prevention laboratory fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712119.6U CN211359986U (en) | 2019-10-14 | 2019-10-14 | Safe fire prevention laboratory fume chamber |
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| CN211359986U true CN211359986U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921712119.6U Active CN211359986U (en) | 2019-10-14 | 2019-10-14 | Safe fire prevention laboratory fume chamber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333422A (en) * | 2021-06-15 | 2021-09-03 | 庄浩鑫 | Telescopic ventilation system for ventilation based on laboratory |
| CN114336307A (en) * | 2021-12-30 | 2022-04-12 | 江苏新纪元电器科技有限公司 | Aerify cabinet two gas tanks three station isolation and circuit breaker integral type structure |
| WO2023092877A1 (en) * | 2021-11-25 | 2023-06-01 | 倚世节能科技（上海）有限公司 | Fume hood and fire-extinguishing method |
| CN117102190A (en) * | 2023-10-25 | 2023-11-24 | 浙江之科云启科技有限公司 | Fume hood for biological experiments |
-
2019
- 2019-10-14 CN CN201921712119.6U patent/CN211359986U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333422A (en) * | 2021-06-15 | 2021-09-03 | 庄浩鑫 | Telescopic ventilation system for ventilation based on laboratory |
| CN113333422B (en) * | 2021-06-15 | 2022-09-30 | 江苏万融系统集成有限公司 | Telescopic ventilation system for ventilation based on laboratory |
| WO2023092877A1 (en) * | 2021-11-25 | 2023-06-01 | 倚世节能科技（上海）有限公司 | Fume hood and fire-extinguishing method |
| CN114336307A (en) * | 2021-12-30 | 2022-04-12 | 江苏新纪元电器科技有限公司 | Aerify cabinet two gas tanks three station isolation and circuit breaker integral type structure |
| CN117102190A (en) * | 2023-10-25 | 2023-11-24 | 浙江之科云启科技有限公司 | Fume hood for biological experiments |
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