CN217616698U

CN217616698U - Laboratory constant temperature fume chamber

Info

Publication number: CN217616698U
Application number: CN202220958683.1U
Authority: CN
Inventors: 郑伟东; 李练培; 陈金娣
Original assignee: Guangdong Baohua Testing Center Co ltd
Current assignee: Guangdong Baohua Testing Center Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-10-21
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to the technical field of laboratory ventilation, in particular to a laboratory constant temperature ventilation cabinet, which comprises a bottom case and a square steel frame arranged on the bottom case; transparent toughened glass A is arranged on the top and the side face of the square steel frame, and the bottom end of the transparent toughened glass A on one side is provided with an opening and is rotatably connected with transparent toughened glass B; a rectangular frame is arranged on the inner side of the square steel frame, bristles are arranged on the periphery of the outer portion of the rectangular frame, and a power assembly used for driving the rectangular frame to move up and down is connected to the rectangular frame; the spray head is arranged at the top end of the inner side of the square steel frame, the solvent box is arranged on the side face of the bottom box, the rectangular cover is arranged on the transparent toughened glass A at the top, the air pipe is connected between the rectangular cover and the solvent box, the fan is installed on the air pipe, and the exhaust pipe is communicated with the top end of the solvent box. The utility model discloses can filter and purify the harmful gas that produces during the experiment, safety ring protects more to possess fine clean effect, the practicality is strong.

Description

Laboratory constant temperature fume chamber

Technical Field

The utility model relates to a laboratory ventilation technology field especially relates to a laboratory constant temperature fume chamber.

Background

The ventilation hood has the main function of exhausting air, various harmful gases, odor, moisture and inflammable, explosive and corrosive substances are generated in the experiment operation in a chemical laboratory, and the ventilation hood is used near a pollution source in order to protect the safety of a user and prevent the pollutant in the experiment from diffusing to the laboratory.

The prior art has the following defects: when clearing up after the experiment is accomplished in current laboratory with the fume chamber, the fume chamber inner wall clearance is comparatively difficult, adopts the clear mode work efficiency of manual mode low, and clean effect is not good, and chemical agent still can cause the harm to the human body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists among the background art, the utility model provides a laboratory constant temperature fume chamber.

The technical scheme of the utility model: a laboratory constant temperature ventilation cabinet comprises a bottom box and a square steel frame arranged on the bottom box; transparent toughened glass A is arranged on the top and the side face of the square steel frame, and the bottom end of the transparent toughened glass A on one side is provided with an opening and is rotatably connected with transparent toughened glass B; a rectangular frame is arranged on the inner side of the square steel frame, bristles are arranged on the periphery of the outer portion of the rectangular frame, and a power assembly used for driving the rectangular frame to move up and down is connected to the rectangular frame; a spray head is arranged at the top end of the inner side of the square steel frame, a plurality of nozzles are arranged on the periphery of the side face of the spray head, a water pipe is connected between the spray head and the cavity A, and a water pump is arranged on the water pipe; the inner part of the bottom box is provided with two clapboards, and the inner part of the bottom box is sequentially divided into a chamber A, a chamber B and a chamber C from bottom to top through the two clapboards; the bottom end of the bottom box is provided with a water flowing hole, and the bottom end of the water flowing hole is communicated with the inside of the cavity C; the side of the bottom box is provided with a solvent box, a rectangular cover penetrating through the upper end and the lower end of the transparent toughened glass A is arranged on the transparent toughened glass A at the top, an air pipe is connected between the rectangular cover and the solvent box, a fan is installed on the air pipe, the top end of the solvent box is communicated with an exhaust pipe, and a gas purifier is installed on the exhaust pipe.

Preferably, the inner side of the rectangular cover is provided with a plurality of guide plates A and a plurality of guide plates B side by side, the length direction of the guide plates A is vertical to that of the guide plates B, and the guide plates A and the guide plates B are arranged in an annular array around one point.

Preferably, the transparent toughened glass B is provided with a locking mechanism, the locking mechanism comprises a sliding groove plate and a limiting insertion rod, the sliding groove plate is fixedly arranged on the transparent toughened glass B, the limiting insertion rod is connected with the sliding groove plate in a sliding mode, and a limiting groove for inserting the bottom end of the limiting insertion rod is further formed in the upper end face of the bottom box.

Preferably, a plurality of rollers are installed at the bottom end of the bottom case.

Preferably, the power assembly comprises a servo motor and a screw rod, the servo motor is fixedly installed on the transparent toughened glass A positioned at the top, the screw rod is vertically and rotatably arranged in the square steel frame and is connected with an output shaft of the servo motor, and the rectangular frame is in threaded connection with the screw rod; the inner side of the square steel frame is vertically provided with a guide rod, and the rectangular frame is arranged on the guide rod in a sliding mode.

Preferably, the bottom box is provided with a drawer, and the inner end of the drawer is movably arranged in the cavity B.

Preferably, the transparent tempered glass B is provided with a handle.

Preferably, a drain pipe is arranged on one side of the chamber C in a communication manner, and a valve is arranged on the drain pipe.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses can absorb the harmful gas that produces in the experimentation, and purifying effect is good, reduces the pollution to the indoor environment.

2. Through carrying out water spray work to transparent toughened glass A and transparent toughened glass B to reciprocating motion about the drive brush hair carries out, thereby can carry out cleaning work to transparent toughened glass A and transparent toughened glass B, avoids chemical reagent to remain on toughened glass.

3. The transparent toughened glass A and the transparent toughened glass B are arranged so that an operator can conveniently observe the whole experimental process.

Drawings

Fig. 1 and fig. 2 are schematic structural diagrams of the present invention.

Fig. 3 is a side sectional view of the present invention.

Fig. 4 is a schematic structural diagram of the middle rectangular cover, the guide plate a and the guide plate B of the present invention.

Fig. 5 is a partially enlarged structural view of a portion a of fig. 1.

Reference numerals: 101. a square steel frame; 102. transparent toughened glass A; 103. transparent toughened glass B; 2. a bottom box; 201. a chamber A; 202. a chamber B; 203. a chamber C; 2001. a water flowing hole; 2002. a limiting groove; 3. a roller; 4. a drawer; 5. a water pump; 501. a water pipe; 6. a fan; 601. an air tube; 7. a rectangular cover; 8. a servo motor; 9. a handle; 10. a rectangular frame; 11. brushing; 12. a spray head; 13. a screw rod; 14. a solvent tank; 15. an exhaust pipe; 16. a gas purifier; 17. a partition plate; 18. a drain pipe; 19. a valve; 20. a chute plate; 21. a limiting inserted rod; 221. a flow guide plate A; 222. and a flow guide plate B.

Detailed Description

Example one

As shown in fig. 1-5, the utility model provides a laboratory constant temperature ventilation cabinet, which comprises a bottom case 2 and a square steel frame 101 arranged on the bottom case 2; a plurality of rollers 3 are arranged at the bottom end of the bottom box 2, and the device can be conveniently moved through the arranged rollers 3; the top and the side of the square steel frame 101 are both provided with transparent toughened glass A102, the bottom end of the transparent toughened glass A102 at one side is provided with an opening and is rotatably connected with transparent toughened glass B103, and the transparent toughened glass B103 is provided with a handle 9; the inner side of the square steel frame 101 is provided with a rectangular frame 10, the periphery of the outer part of the rectangular frame 10 is provided with bristles 11, the rectangular frame 10 is connected with a power assembly for driving the rectangular frame 10 to move up and down, the power assembly comprises a servo motor 8 and a screw rod 13, the servo motor 8 is fixedly arranged on transparent toughened glass A102 positioned at the top, the screw rod 13 is vertically and rotatably arranged in the square steel frame 101 and is connected with an output shaft of the servo motor 8, and the rectangular frame 10 is in threaded connection with the screw rod 13; a guide rod is vertically arranged on the inner side of the square steel frame 101, and the rectangular frame 10 is arranged on the guide rod in a sliding manner; a spray head 12 is arranged at the top end of the inner side of the square steel frame 101, a plurality of spray nozzles are arranged on the periphery of the side face of the spray head 12, a water pipe 501 is connected between the spray head 12 and the cavity A201, and a water pump 5 is arranged on the water pipe 501; the inside of the bottom box 2 is provided with two clapboards 17, and the inside of the bottom box 2 is sequentially divided into a chamber A201, a chamber B202 and a chamber C203 from bottom to top through the two clapboards 17; a drain hole 2001 is formed in the bottom end of the bottom box 2, and the bottom end of the drain hole 2001 is communicated with the inside of the cavity C203; a solvent tank 14 is arranged on the side surface of the bottom tank 2, a rectangular cover 7 penetrating through the upper end and the lower end of the transparent toughened glass A102 positioned at the top is arranged on the transparent toughened glass A102, an air pipe 601 is connected between the rectangular cover 7 and the solvent tank 14, a fan 6 is arranged on the air pipe 601, an exhaust pipe 15 is communicated with the top end of the solvent tank 14, and a gas purifier 16 is arranged on the exhaust pipe 15; a drawer 4 is arranged on the bottom box 2, the inner end of the drawer 4 is movably arranged in the cavity B202, and the arranged drawer 4 can be used for storing experimental articles; a drain pipe 18 is provided to communicate with one side of the chamber C203, and a valve 19 is installed on the drain pipe 18 to open the valve so that the sewage stored in the chamber C can be discharged.

Install locking mechanism on transparent toughened glass B103, locking mechanism includes chute board 20 and spacing inserted bar 21, chute board 20 is fixed to be set up on transparent toughened glass B103, spacing inserted bar 21 and chute board 20 sliding connection, still set up on the up end of under casing 2 and supply spacing inserted bar 21 bottom male spacing groove 2002, transparent toughened glass A102 is opened in the rotation, thereby can put into the inboard of square steel frame 101 with experimental articles for use, meanwhile, spacing inserted bar 21 makes its bottom insert in spacing groove 2002 down, thereby can carry on spacingly to transparent toughened glass B103.

In this embodiment, when carrying out the laboratory, can start fan 6 work, fan 6 inhales the harmful gas that produces in the experimentation in to solvent case 14, harmful gas reacts with the chemical solvent in solvent case 14, thereby can play the effect of purified gas, and the gas purifier 16 that sets up can promote the purifying effect to gas, therefore, the clothes hanger is strong in practicability, after the experiment is accomplished, can start water pump 5 and servo motor 8 work, thereby can wash work transparent toughened glass a102, water pump 5 pumps the water that stores in chamber a201 to in shower nozzle 12, spout transparent toughened glass a102 and transparent toughened glass B103 through shower nozzle 12 at last, meanwhile, servo motor 8 carries out forward and reverse rotation through drive lead screw 13, and then can drive rectangular frame 10 and brush hair 11 and carry out up-and-down reciprocating motion, thereby can wash work transparent toughened glass a102 and transparent toughened glass B103, the sewage after the washing is discharged into chamber C203 through discharge orifice 2001 and is stored.

Example two

As shown in fig. 4, compared with the first embodiment, in the present embodiment, the inner side of the rectangular cover 7 is provided with a plurality of guide plates a221 and a plurality of guide plates B222 side by side, the length direction of the guide plates a221 is perpendicular to the length direction of the guide plates B222, and the plurality of guide plates a221 and the plurality of guide plates B222 are all arranged around a point along an annular array; the air suction range can be expanded by the plurality of baffles a221 and the plurality of baffles B222, and turbulence of the air flow is not caused.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. A laboratory constant-temperature ventilation cabinet is characterized by comprising a bottom case (2) and a square steel frame (101) arranged on the bottom case (2); transparent toughened glass A (102) is arranged on the top and the side face of the square steel frame (101), and the bottom end of the transparent toughened glass A (102) on one side is provided with an opening and is rotatably connected with transparent toughened glass B (103); a rectangular frame (10) is arranged on the inner side of the square steel frame (101), bristles (11) are arranged on the periphery of the outer portion of the rectangular frame (10), and a power assembly used for driving the rectangular frame (10) to move up and down is connected to the rectangular frame (10); a spray head (12) is arranged at the top end of the inner side of the square steel frame (101), a plurality of nozzles are arranged on the periphery of the side face of the spray head (12), a water pipe (501) is connected between the spray head (12) and the cavity A (201), and a water pump (5) is arranged on the water pipe (501); the inner part of the bottom box (2) is provided with two clapboards (17), and the inner part of the bottom box (2) is sequentially divided into a chamber A (201), a chamber B (202) and a chamber C (203) from bottom to top through the two clapboards (17); the bottom end of the bottom box (2) is provided with a water flowing hole (2001), and the bottom end of the water flowing hole (2001) is communicated with the inside of the cavity C (203); a solvent tank (14) is arranged on the side face of the bottom tank (2), a rectangular cover (7) penetrating through the upper end and the lower end of the transparent toughened glass A (102) on the top is arranged, an air pipe (601) is connected between the rectangular cover (7) and the solvent tank (14), a fan (6) is installed on the air pipe (601), an exhaust pipe (15) is communicated with the top end of the solvent tank (14), and a gas purifier (16) is installed on the exhaust pipe (15).

2. A laboratory constant temperature fume hood according to claim 1, characterized in that the inside of the rectangular hood (7) is provided with a plurality of baffles a (221) and a plurality of baffles B (222) side by side, the length direction of the baffles a (221) is perpendicular to the length direction of the baffles B (222), and the plurality of baffles a (221) and the plurality of baffles B (222) are all arranged in a circular array around a point.

3. The laboratory constant-temperature ventilation cabinet according to claim 1, characterized in that a locking mechanism is mounted on the transparent tempered glass B (103), the locking mechanism comprises a sliding groove plate (20) and a limiting inserted bar (21), the sliding groove plate (20) is fixedly arranged on the transparent tempered glass B (103), the limiting inserted bar (21) is slidably connected with the sliding groove plate (20), and a limiting groove (2002) for inserting the bottom end of the limiting inserted bar (21) is further formed in the upper end surface of the bottom box (2).

4. A laboratory constant temperature fume hood according to claim 1, characterized in that the bottom of the bottom box (2) is equipped with a plurality of rollers (3).

5. The laboratory constant-temperature ventilation cabinet according to claim 1, characterized in that the power assembly comprises a servo motor (8) and a screw rod (13), the servo motor (8) is fixedly installed on a transparent tempered glass A (102) positioned at the top, the screw rod (13) is vertically and rotatably arranged in a square steel frame (101) and is connected with an output shaft of the servo motor (8), and the rectangular frame (10) is in threaded connection with the screw rod (13); the inner side of the square steel frame (101) is vertically provided with a guide rod, and the rectangular frame (10) is arranged on the guide rod in a sliding mode.

6. A laboratory fume hood according to claim 1, characterized in that the bottom box (2) is equipped with a drawer (4), the inner end of the drawer (4) is movably arranged in the chamber B (202).

7. The laboratory constant-temperature ventilation cabinet according to claim 1, wherein a handle (9) is arranged on the transparent toughened glass B (103).

8. The laboratory constant temperature ventilation cabinet according to claim 1, characterized in that a drain pipe (18) is arranged on one side of the chamber C (203) in a communication manner, and a valve (19) is arranged on the drain pipe (18).