CN213449945U

CN213449945U - Laboratory fume chamber lift gate subassembly

Info

Publication number: CN213449945U
Application number: CN202021758568.7U
Authority: CN
Inventors: 黄朝辉; 姬利娜; 王战标; 王慎凯; 李强; 王占伟
Original assignee: China Mining Innovation Industrial Group Co ltd
Current assignee: China Mining Innovation Industrial Group Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-15
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a laboratory fume chamber lift gate subassembly relates to fume chamber production technical field, specifically is including the cabinet body, the inside fixed mounting of the cabinet body has the fixed plate, the inside wall fixedly connected with door frame of the cabinet body, the spacing groove has been seted up at the back of door frame, the spout has been seted up to one side of door frame, the internal surface sliding connection of spout has the slip overhead door, fixed plate top fixed mounting has elevator motor, elevator motor's output shaft fixedly connected with initiative synchronizing wheel, the upper surface of fixed plate rotates and is connected with the lead screw. This laboratory fume chamber overhead door subassembly sets up through the cooperation of guide plate, electric putter, connecting block and closing plate, can select the position of air-out as required at the in-process that uses, selects different ventilation modes to play the effect that adapts to different operational environment, reached the purpose that facilitates the use.

Description

Laboratory fume chamber lift gate subassembly

Technical Field

The utility model relates to a fume chamber production technical field specifically is a laboratory fume chamber lift gate subassembly.

Background

The fume hood mainly has an exhaust function, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated in the experiment operation in a chemical laboratory, and the fume hood is used near a pollution source in order to protect the safety of a user and prevent the diffusion of the pollutants in the experiment to the laboratory. The fume chamber is classified according to the mode of airing exhaust: is divided into three types of upper air exhaust type, lower air exhaust type and simultaneous upper and lower air exhaust type

The overhead door of current laboratory fume chamber needs user manual regulation, and it is very inconvenient to use, and the mode of airing exhaust of most fume chamber in addition only has one, can not select different modes of airing exhaust according to the experimental environment of difference.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a laboratory fume chamber lift gate subassembly has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a lifting door assembly of a laboratory fume hood comprises a cabinet body, wherein a fixed plate is fixedly arranged in the cabinet body, the inner side wall of the cabinet body is fixedly connected with a door frame, the back surface of the door frame is provided with a limit groove, one side of the door frame is provided with a sliding groove, the inner surface of the sliding chute is connected with a sliding lifting door in a sliding way, a lifting motor is fixedly arranged above the fixed plate, the output shaft of the lifting motor is fixedly connected with a driving synchronizing wheel, the upper surface of the fixed plate is rotatably connected with a screw rod, the outer surface of the screw rod is fixedly connected with a driven synchronizing wheel, the driving synchronizing wheel is rotationally connected with the driven synchronizing wheel through a synchronous belt, the back of the sliding lifting door is fixedly connected with a sliding block, the sliding block is connected with the inner side wall of the limiting groove in a sliding manner, the upper surface of the sliding block is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod.

Optionally, the upper part and the lower part of the limit groove are fixedly connected with limit switches, and the limit switches are connected with the lifting motor through wires.

Optionally, the last fixed surface of fixed plate is connected with the exhaust fan, the inside wall fixedly connected with light of the cabinet body, the inside fixed mounting of the cabinet body has the operation panel, the operation panel is located the below of fixed plate.

Optionally, the outer fixed surface of the door frame is provided with a control panel, the control panel comprises a display screen and a key, and the outer side of the door frame is fixedly connected with a power main switch.

Optionally, a guide plate is fixedly mounted inside the cabinet body, an air outlet is formed in one side of the guide plate, a cavity is formed in the guide plate, an electric push rod is fixedly mounted inside the cavity, a connecting block is fixedly connected to one end of the electric push rod, a sealing plate is fixedly connected to one end of the sliding block, and the control panel is connected with the electric push rod through a wire.

Optionally, the front of the cabinet body is fixedly connected with an infrared switch, and the infrared switch is connected with the lifting motor through a wire.

(III) advantageous effects

The utility model provides a laboratory fume chamber lift gate subassembly possesses following beneficial effect:

1. this laboratory fume chamber overhead door subassembly, through the setting of infrared switch, make this laboratory fume chamber overhead door subassembly possess the effect that operating personnel walked nearly automatic rising slip overhead door, make things convenient for operating personnel's use, through the guide plate, electric putter, the cooperation setting of connecting block and closing plate, can select the position of air-out as required at the in-process that uses, select different ventilation mode, thereby played the effect that adapts to different operational environment, reached the purpose that facilitates the use.

2. This laboratory fume chamber lift gate subassembly through limit switch's setting, makes this laboratory fume chamber lift gate subassembly possess the effect that the slip overhead door reachd position automatic stop, sets up through the cooperation of elevator motor, initiative synchronizing wheel, lead screw, driven synchronizing wheel and slider, can stay the slip overhead door at suitable height at the in-process that uses, makes things convenient for operating personnel to use.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of the door frame of the present invention;

FIG. 3 is a schematic cross-sectional view of the side of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure above the fixing plate of the present invention.

In the figure: 1. a cabinet body; 2. a fixing plate; 3. a baffle; 4. a door frame; 5. a limiting groove; 6. a chute; 7. a sliding lift gate; 8. a lifting motor; 9. a driving synchronizing wheel; 10. a screw rod; 11. a driven synchronizing wheel; 12. a slider; 13. a limit switch; 14. an exhaust fan; 15. an illuminating lamp; 16. an operation panel; 17. A control panel; 18. a power supply main switch; 19. an electric push rod; 20. connecting blocks; 21. a sealing plate; 22. An infrared switch; 23. and (7) air outlet.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a laboratory fume chamber lifting door component comprises a cabinet body 1, a fixed plate 2 is fixedly arranged in the cabinet body 1, an exhaust fan 14 is fixedly connected to the upper surface of the fixed plate 2, an illuminating lamp 15 is fixedly connected to the inner side wall of the cabinet body 1, an operating plate 16 is fixedly arranged in the cabinet body 1, the operating plate 16 is positioned below the fixed plate 2, a guide plate 3 is fixedly arranged in the cabinet body 1, an air outlet 23 is formed in one side of the guide plate 3, a cavity is formed in the guide plate 3, an electric push rod 19 is fixedly arranged in the cavity, one end of the electric push rod 19 is fixedly connected with a connecting block 20, one end of a sliding block 12 is fixedly connected with a sealing plate 21, a control panel 17 is connected with the electric push rod 19 through a wire, the air outlet position can be selected according to needs in the using process through the matching arrangement of the guide, different ventilation modes are selected, so that the effect of adapting to different operating environments is achieved, the purpose of convenient use is achieved, the inner side wall of the cabinet body 1 is fixedly connected with a door frame 4, the back surface of the door frame 4 is provided with a limit groove 5, limit switches 13 are fixedly connected above and below the limit groove 5, the limit switches 13 are connected with a lifting motor 8 through leads, the lifting door assembly of the laboratory ventilation cabinet has the effect of automatic stop of the arrival position of the sliding lifting door 7 through the arrangement of the limit switches 13, the sliding lifting door 7 can be stopped at a proper height in the use process through the matching arrangement of the lifting motor 8, a driving synchronizing wheel 9, a lead screw 10, a driven synchronizing wheel 11 and a sliding block 12, the use is convenient for operators, one side of the door frame 4 is provided with a sliding groove 6, the inner surface of the sliding groove 6 is slidably connected with the sliding lifting door 7, and the lifting motor 8, the output shaft of the lifting motor 8 is fixedly connected with a driving synchronous wheel 9, the upper surface of the fixing plate 2 is rotatably connected with a screw rod 10, the outer surface of the screw rod 10 is fixedly connected with a driven synchronous wheel 11, the driving synchronous wheel 9 is rotatably connected with the driven synchronous wheel 11 through a synchronous belt, the back of the sliding lifting door 7 is fixedly connected with a slide block 12, the slide block 12 is slidably connected with the inner side wall of the limiting groove 5, the upper surface of the slide block 12 is provided with a threaded hole, the threaded hole is in threaded connection with the screw rod 10, the outer surface of the door frame 4 is fixedly provided with a control panel 17, the control panel 17 comprises a display screen and keys, the outer side of the door frame 4 is fixedly connected with a power main switch 18, the front of the cabinet body 1 is fixedly connected with an infrared switch 22, the infrared switch 22 is connected with the lifting motor 8 through a lead, and through the arrangement of, the use of operating personnel is convenient.

When the intelligent cabinet is used, firstly, a power supply main switch 18 is switched on, then when an operator approaches to the cabinet body 1, the infrared switch 22 controls the lifting motor 8 to rotate, the lifting motor 8 drives the driven synchronizing wheel 11 to rotate through the driving driven wheel and the synchronous belt, and further drives the lead screw 10 to rotate, the lead screw 10 rotates to drive the slide block 12 to move upwards, the slide block 12 drives the sliding lifting door 7 to move upwards along the sliding groove 6 along the limiting groove 5, when the slide block 12 touches the limiting switch 13 above, the lifting motor 8 stops working, at the moment, the operator can select a proper ventilation mode as required, the control panel 17 controls the electric push rod 19 to push the connecting block 20 to move to realize the extension and contraction of the sealing plate 21, the closing of the air outlet 23 is controlled to realize different ventilation modes, and simultaneously, the control panel 17 controls the lifting motor 8 to rotate, so that the sliding lifting, the exhaust fan 14 is turned on, then the experimental operation can be started on the operation panel 16, when the operator is far away from the cabinet body 1, the infrared switch 22 controls the lifting motor 8 to rotate reversely, so that the sliding lifting door 7 moves downwards, and when the slide block 12 touches the limit switch 13 below, the lifting motor 8 stops working.

The utility model discloses a theory of operation and beneficial effect: the laboratory ventilation cabinet lifting door assembly has the advantages that through the arrangement of the infrared switch 22, the laboratory ventilation cabinet lifting door assembly has the effect that an operator approaches to and automatically lifts the sliding lifting door 7, the use of the operator is facilitated, through the matching arrangement of the guide plate 3, the electric push rod 19, the connecting block 20 and the sealing plate 21, the air outlet position can be selected according to needs in the use process, different ventilation modes are selected, the effect of adapting to different operation environments is achieved, the purpose of convenient use is achieved, through the arrangement of the limit switch 13, the laboratory ventilation cabinet lifting door assembly has the effect of automatically stopping the sliding lifting door 7 when reaching the position, through the matching arrangement of the lifting motor 8, the driving synchronizing wheel 9, the lead screw 10, the driven synchronizing wheel 11 and the sliding block 12, the sliding lifting door 7 can be stopped at a proper height in the use process, the operation of the operator is convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a laboratory fume chamber lift gate subassembly, includes the cabinet body (1), its characterized in that: the novel multifunctional wardrobe is characterized in that a fixing plate (2) is fixedly mounted inside the wardrobe body (1), a door frame (4) is fixedly connected to the inner side wall of the wardrobe body (1), a limiting groove (5) is formed in the back face of the door frame (4), a sliding groove (6) is formed in one side of the door frame (4), a sliding lifting door (7) is connected to the inner surface of the sliding groove (6) in a sliding mode, a lifting motor (8) is fixedly mounted above the fixing plate (2), a driving synchronizing wheel (9) is fixedly connected to an output shaft of the lifting motor (8), a lead screw (10) is rotatably connected to the upper surface of the fixing plate (2), a driven synchronizing wheel (11) is fixedly connected to the outer surface of the lead screw (10), the driving synchronizing wheel (9) is rotatably connected with the driven synchronizing wheel (11) through a synchronous belt, and, the sliding block (12) is connected with the inner side wall of the limiting groove (5) in a sliding mode, a threaded hole is formed in the upper surface of the sliding block (12), and the threaded hole is connected with the screw rod (10) through threads.

2. A laboratory fume hood lift gate assembly according to claim 1 wherein: the upper portion and the lower portion of the limiting groove (5) are fixedly connected with limiting switches (13), and the limiting switches (13) are connected with the lifting motor (8) through wires.

3. A laboratory fume hood lift gate assembly according to claim 1 wherein: the last fixed surface of fixed plate (2) is connected with exhaust fan (14), the inside wall fixedly connected with light (15) of the cabinet body (1), the inside fixed mounting of the cabinet body (1) has operation panel (16), operation panel (16) are located the below of fixed plate (2).

4. A laboratory fume hood lift gate assembly according to claim 1 wherein: the outer fixed surface of door frame (4) installs control panel (17), control panel (17) include display screen and button, the outside fixedly connected with power master switch (18) of door frame (4).

5. A laboratory fume hood lift gate assembly according to claim 4 wherein: the utility model discloses a cabinet, including the cabinet body, the inside fixed mounting of the cabinet body (1) has guide plate (3), air outlet (23) are seted up to one side of guide plate (3), the cavity has been seted up to the inside of guide plate (3), the inside fixed mounting of cavity has electric putter (19), the one end fixedly connected with connecting block (20) of electric putter (19), the one end fixedly connected with closing plate (21) of slider (12), control panel (17) link to each other with electric putter (19) through the wire.

6. A laboratory fume hood lift gate assembly according to claim 1 wherein: the front of the cabinet body (1) is fixedly connected with an infrared switch (22), and the infrared switch (22) is connected with a lifting motor (8) through a wire.