CN214091499U

CN214091499U - Fume chamber lift door system

Info

Publication number: CN214091499U
Application number: CN202022913162.8U
Authority: CN
Inventors: 刘何才; 陈俊杰
Original assignee: Lvkang Environmental Technology Development Guangdong Co ltd
Current assignee: Lvkang Environmental Technology Development Guangdong Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-31
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a fume chamber lift door system, including the cabinet body, cabinet door, balancing piece and elevation structure, the inside of the cabinet body has the cavity, and the bottom of cavity is provided with the workstation, and the window has been seted up to one side of the cabinet body, window and cavity intercommunication, and window and workstation interval set up, and elevation structure sets up in the top of the cabinet body, and cabinet door and balancing piece are all connected with elevation structure, and the balancing piece sets up in one side of elevation structure, and the cabinet door sets up in elevation structure's opposite side, and the cabinet door sets up in one side of window. When the ventilation cabinet is used and the position of the cabinet door needs to be adjusted, the position of the cabinet door is adjusted through the lifting structure, and the cabinet door can be automatically adjusted. Avoid operating personnel to come the manpower lift with touching the overhead door well, avoid operating personnel to have the risk of infecting the bacterium when touching the overhead door, can improve holistic work efficiency well.

Description

Fume chamber lift door system

Technical Field

The utility model relates to a fume chamber equipment technical field especially relates to a fume chamber lift door system.

Background

The fume chamber is a device widely used in a laboratory, and the main function of the fume chamber is to exhaust air through the exhaust fan to enable a cavity which is negative pressure relative to the air pressure outside the fume chamber to be generated in the fume chamber, so that various toxic gases or smoke generated by an operator in various experiments can be completely discharged outdoors from the ventilating duct, and a safe working environment is provided for the operator.

The fume chamber equipment in present stage in use generally needs operating personnel to come the manpower lift with touching the overhead door, and this has just led to operating personnel to have the risk of infecting the bacterium when touching the overhead door with the manpower cause the manpower extravagant during the use, seriously influences work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model adopts the following technical scheme: a fume hood lift gate system comprising: the cabinet body, the cabinet door, the balance block and the lifting structure;

the cabinet body is internally provided with a cavity, the bottom of the cavity is provided with a workbench, one side of the cabinet body is provided with a window, the window is communicated with the cavity and is arranged at intervals with the workbench, and the lifting structure is arranged at the top of the cabinet body;

the cabinet door with the balancing piece all with elevation structure connects, the balancing piece set up in elevation structure's one side, the cabinet door set up in elevation structure's opposite side, just the cabinet door sets up in one side of window.

Further, the lifting structure comprises a motor, two connecting rods, a first synchronous belt, two second synchronous belts, two first synchronous wheels and four second synchronous wheels, the motor is arranged at the top of the cabinet body, four openings are formed in the top of the cabinet body, each second synchronous wheel is arranged at each of two ends of each connecting rod, one second synchronous wheel is fixedly arranged on each connecting rod, one first synchronous wheel is fixedly arranged on each connecting rod, the output shaft of the motor is connected with the other first synchronous wheel, the two first synchronous wheels are connected in a rotating mode through the first synchronous belts, one end of each second synchronous belt is connected with the cabinet door, the other end of each second synchronous belt is connected with the balance block, and each second synchronous belt is connected with the two second synchronous wheels in a rotating mode.

Further, the first synchronous belt and the two second synchronous belts are synchronous belts.

Further, the two first synchronizing wheels and the four second synchronizing wheels are all synchronous belt pulleys.

Further, still include first sensor, first sensor is used for detecting the displacement of cabinet door.

Further, still include the second sensor, the second sensor is regional inductive transducer, the second sensor set up in the outside of the cabinet body.

Furthermore, the bottom of the cabinet door is provided with a correlation switch, and the correlation switch is detachably connected with the cabinet door.

Furthermore, the motor control device also comprises a control switch, and the control switch is used for controlling the opening and closing of the motor.

Furthermore, the top of the cabinet body is provided with four fixed knot constructs, each fixed knot construct and includes fixing base and fixed plate, each the fixed plate set up in on the one side of the cabinet body, each the fixing base set up in one on the fixed plate, and each be provided with a bearing on the fixing base, each the one end of connecting rod with one the bearing rotates to be connected, the other end with another the bearing rotates to be connected.

Furthermore, each connecting rod is provided with two connecting seats, and each connecting seat is fixedly provided with one second synchronizing wheel.

The utility model has the advantages that: when the ventilation cabinet is used and the position of the cabinet door needs to be adjusted, the position of the cabinet door is adjusted through the lifting structure, and the cabinet door can be automatically adjusted. Avoid operating personnel to come the manpower lift with touching the overhead door well, avoid operating personnel to have the risk of infecting the bacterium when touching the overhead door, can improve holistic work efficiency well.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic internal structural diagram of a fume hood lifting door system according to an embodiment;

FIG. 2 is a schematic diagram of an embodiment of a fume hood lift gate system;

fig. 3 is another schematic view of a fume hood lifting door system according to an embodiment.

Detailed Description

The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 to 3, a fume hood lift gate system includes: the cabinet body 100, the cabinet door 200, balancing piece 300 and elevation structure, the inside of the cabinet body 100 has cavity 110, just the bottom of cavity 110 is provided with workstation 120, the window (not shown) has been seted up to one side of the cabinet body 100, the window with cavity 110 intercommunication, just the window with workstation 120 interval sets up, elevation structure set up in the top of the cabinet body 100, the cabinet door 200 with balancing piece 300 all with elevation structure connects, balancing piece 300 set up in one side of elevation structure, the cabinet door 200 set up in elevation structure's opposite side, just the cabinet door 200 sets up in one side of window.

Specifically, the lifting structure includes a motor 410, two connecting rods 420, a first synchronous belt 430, two second synchronous belts 440, two first synchronous wheels 450 and four second synchronous wheels 460, the motor 410 is disposed at the top of the cabinet body 100, four openings (not shown) are disposed at the top of the cabinet body 100, two ends of each connecting rod 420 are respectively provided with one second synchronous wheel 460, one first synchronous wheel 450 is fixedly disposed on one connecting rod 420, an output shaft of the motor 410 is connected with the other first synchronous wheel 450, the two first synchronous wheels 450 are rotatably connected through the first synchronous belt 430, one end of each second synchronous belt 440 is connected with the cabinet door 200, the other end of each second synchronous belt is connected with the balance block 300, and each second synchronous belt 440 is rotatably connected with the two second synchronous wheels 460. Further, the first timing belt 430 and the two second timing belts 440 are timing belts. Both the two first synchronizing wheels 450 and the four second synchronizing wheels 460 are synchronous pulleys. Furthermore, the fume hood lifting door system further comprises a first sensor (not shown) for detecting the displacement of the cabinet door 200, and the fume hood lifting door system further comprises a second sensor 500, wherein the second sensor 500 is an area sensing sensor, and the second sensor 500 is disposed outside the cabinet body 100. It should be noted that the bottom of the cabinet door 200 is provided with a correlation switch (not shown), and the correlation switch is detachably connected with the cabinet door 200. And the fume chamber lifting door system further comprises a control switch (not shown), and the control switch is used for controlling the opening and closing of the motor 410. That is, one end of each second timing belt 440 passes through one opening to be connected to the cabinet door 200, and the other end passes through the other opening to be connected to the balance weight 300.

Specifically, close cabinet door 200 and be that cabinet door 200 is closed and block whole window, that is to say, when using this fume chamber, when the position of cabinet door 200 needs to be adjusted, control motor 410 through control switch and start, the output shaft of motor 410 rotates and drives first synchronizing wheel 450 and rotate, first synchronizing wheel 450 drives another first synchronizing wheel 450 through first hold-in range 430 and rotates, make connecting rod 420 connected with it rotate, and then drive two second synchronizing wheels 460 and rotate, every second synchronizing wheel 460 drives another second synchronizing wheel 460 through a second hold-in range 440 and rotates, that is to say, through two second hold-in ranges 440 and two connecting rods 420, make four second synchronizing wheels 460 can rotate simultaneously. That is to say, remove simultaneously through two second hold-in ranges 440, can be fine go up and down to cabinet door 200, consequently, the experimenter can adjust cabinet door 200's position according to specific demand. It is worth mentioning that the fume chamber lifting door system further comprises an alarm device, namely, in the lifting process, if the first sensor cannot detect the movement of the chamber door 200, the motor 410 is automatically switched off, and then the alarm device gives an alarm sound. In gunn, three positions, i.e., the first working position, the second working position and the extreme positions, are provided on the cabinet, so that the cabinet door 200 can be accurately stopped from being displaced at the corresponding three positions by automatically lifting and lowering the cabinet. It should be noted that when the cabinet door 200 is raised, the balance weight 300 is lowered, and when the cabinet door 200 is lowered, the balance weight 300 is raised.

In the above embodiment, through setting up regional inductive sensor, regional inductive sensor's detection time can be according to specific demand and specific setting, for example, can not respond to someone in the fume chamber when regional inductive sensor in a minute and carry out the experiment operation, can be automatic through the operation of control motor 410, then close cabinet door 200. It is worth mentioning that, through being provided with correlation formula switch in the bottom of cabinet door 200, if the cabinet door 200 descends the in-process and detects that there is the object to block, can the automatic shutdown cabinet door 200's decline, can avoid well because of cabinet door 200 can not in time stop and cause the safety problem.

In one embodiment, four fixing structures are disposed on the top of the cabinet 100, each fixing structure includes a fixing base 610 and a fixing plate 620, each fixing plate 620 is disposed on one surface of the cabinet 100, each fixing base 610 is disposed on one fixing plate 620, and each fixing base 610 is provided with a bearing, one end of each connecting rod 420 is rotatably connected to one bearing, and the other end of each connecting rod is rotatably connected to the other bearing. Two connecting seats 700 are disposed on each connecting rod 420, and one second synchronizing wheel 460 is fixedly disposed on each connecting seat 700. That is, by providing the bearing, the two connection rods 420 can be rotated well, and by providing the two connection seats 700 on each connection rod 420, the positions of the four second synchronizing wheels 460 can be fixed well.

As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.

Claims

1. A fume chamber lift gate system, comprising: the cabinet body, the cabinet door, the balance block and the lifting structure;

2. The fume hood lift gate system of claim 1, wherein: the lifting structure comprises a motor, two connecting rods, a first synchronous belt, two second synchronous belts, two first synchronous wheels and four second synchronous wheels, wherein the motor is arranged at the top of the cabinet body, four openings are formed in the top of the cabinet body, each opening is formed in the top of the cabinet body, one end of each connecting rod is provided with one of the second synchronous wheels and one of the second synchronous wheels, the first synchronous wheels are fixedly arranged on the connecting rods, the output shaft of the motor is connected with the other end of each first synchronous wheel, the first synchronous wheels are connected with the cabinet door in a rotating mode, one end of each second synchronous belt is connected with the cabinet door, the other end of each second synchronous belt is connected with the balance block, and each second synchronous belt is connected with the second synchronous wheels in a rotating mode.

3. The fume hood lift gate system of claim 2, wherein: the first synchronous belt and the second synchronous belts are synchronous belts.

4. A fume hood lift gate system according to claim 3 wherein: the two first synchronizing wheels and the four second synchronizing wheels are all synchronous belt pulleys.

5. The fume hood lift gate system of claim 2, wherein: still include first sensor, first sensor is used for detecting the displacement of cabinet door.

6. The fume hood lift gate system of claim 2, wherein: still include the second sensor, the second sensor is regional inductive transducer, the second sensor set up in the outside of the cabinet body.

7. The fume hood lift gate system of claim 1, wherein: the bottom of the cabinet door is provided with a correlation switch, and the correlation switch is detachably connected with the cabinet door.

8. The fume hood lift gate system of claim 2, wherein: the motor is characterized by further comprising a control switch, and the control switch is used for controlling the opening and closing of the motor.

9. The fume hood lift gate system of claim 2, wherein: the top of the cabinet body is provided with four fixed knot constructs, each fixed knot constructs including fixing base and fixed plate, each the fixed plate set up in on the one side of the cabinet body, each the fixing base sets up in one on the fixed plate, and each be provided with a bearing on the fixing base, each the one end of connecting rod with one the bearing rotates to be connected, the other end and another the bearing rotates to be connected.

10. The fume hood lift gate system of claim 9, wherein: each connecting rod is provided with two connecting seats, and each connecting seat is fixedly provided with one second synchronizing wheel.