Ventilation cabinet safety device

Abstract

The utility model relates to the technical field of experimental equipment, in particular to a ventilation cabinet safety device which is arranged on a cabinet body, a working table is arranged in the cabinet body, and slidable windows are arranged on the outer edge of the working table and located on the inner sides of the two side walls of the cabinet body. The safety device is located between the working table top and the window, the safety device comprises a suspension assembly, a supporting column and a blocking assembly, the suspension assembly comprises a first suspension assembly and a second suspension assembly, and the blocking assembly is movably installed on the supporting column. According to the ventilation cabinet safety device provided by the utility model, through the arrangement of the safety device, the problems that a window suddenly falls off and an operator is injured due to the breakage of a crawler belt are effectively solved; the problems that the reagent is splashed out and the hands of an operator are injured due to the fact that the operator operates mistakenly due to the fact that the window falls off are solved, a great buffering effect is achieved on sudden falling of the window, and the safety of the operator is better guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental equipment technical field especially relates to a fume hood safety device. BACKGROUND

[0002] Fume hood, also known as cabinet type exhaust hood. Large room type fume hood, one side is completely open, the operator works in the cabinet, mainly used for large pieces of paint, powder bagging etc. And small parts of paint spray booth, chemical laboratory fume hood and other small fume hood is much smaller than large room type fume hood. The working port of fume hood has a great influence on the airflow distribution in the cabinet, and the airflow distribution directly affects the working effect of fume hood.

[0003] The chemical laboratory fume hood in small fume hood is mostly used for processing easily corroded and volatile experimental reagents. The viewing window on the fume hood is generally driven up and down by a track. However, the track is prone to breakage due to the influence of various corrosive gases. Since the position of the track is in the visual blind area of the researcher, it is difficult to find out the damage of the track. Therefore, when the track suddenly breaks, the operator who is doing the experiment cannot make various emergency responses in time, which leads to the arm injury of the operator or operation error, and further leads to the spatter of reagents, causing damage to the hands of the operator. This will seriously threaten the personal safety of the operator. SUMMARY

[0004] In view of the above defects, the purpose of the utility model is to provide a fume hood safety device, which solves the problem of threatening the personal safety of the operator when the track suddenly breaks.

[0005] In order to achieve the above purpose, the utility model provides a fume hood safety device, which is arranged on the cabinet body, the cabinet body is provided with a workbench in the inside, the outer edge of the workbench and the inside of the two side walls of the cabinet body are provided with a slidable viewing window. The safety device is located between the workbench and the viewing window, and the safety device comprises a suspension assembly, a supporting column and a blocking assembly, the suspension assembly comprises a first suspension assembly and a second suspension assembly, and the blocking assembly is movably installed on the supporting column.

[0006] As a preferred technical scheme, the supporting column is a square column, and the supporting column is rotatably installed on the front wall of the cabinet body.

[0007] The blocking assembly comprises a supporting seat, the shape of the supporting seat is matched with the supporting column, a fixing seat is installed on the supporting seat, a drivable supporting column limiting rod is connected to the fixing seat, a viewing window supporting rod is installed on the supporting column limiting rod, and the length of the viewing window supporting rod exceeds the position of the viewing window.

[0008] As a preferred technical scheme, the upper part of the support column is a circular threaded column structure, the support base is threadedly connected to the circular threaded column, the circular threaded column is connected with a detachable support column limiting rod and a window support rod, the support column limiting rod and the window support rod are perpendicular to each other, and the length of the window support rod exceeds the position of the window.

[0009] As a preferred technical scheme, the first suspension assembly and the second suspension assembly are both selected to be fixed blocks with grooves at the top.

[0010] As a preferred technical scheme, the support column limiting rod and the window support rod are perpendicular to each other.

[0011] As a preferred technical scheme, the support column is provided with a detachable support cap.

[0012] As a preferred technical scheme, a plurality of mounting holes are arranged at equal intervals on the two side walls of the cabinet body, and the first suspension assembly is detachably mounted outside the two side walls of the cabinet body through the mounting holes.

[0013] As a preferred technical scheme, when the window needs to be supported, the first suspension assembly is used to limit the blocking assembly, and when the window does not need to be supported, the second suspension assembly supports the blocking assembly.

[0014] The utility model provides a safety device of ventilation cabinet, through the setting of safety device, effectively solved because the track breaks and causes the window to fall suddenly, and the operating personnel is smashed, or because the window falls and causes the operating personnel to operate the mistake, and then causes the reagent to splash, causes the damage of both hands of operating personnel's problem, the sudden drop of the window has played the great buffer effect, and the safety of operating personnel has played the better guarantee effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of safety device of ventilation cabinet in the utility model one,

[0016] Figure 2 It is the structural schematic diagram of blocking assembly in the utility model one,

[0017] Figure 3 It is the structural schematic diagram of blocking assembly in the utility model two,

[0018] In the drawing,

[0019] 1-suspension assembly, 2-support column, 3-blocking assembly, 4-window, 5-cabinet body, 6-workbench surface, 11-first suspension assembly, 12-second suspension assembly, 31-window support rod, 32-support column limiting rod, 33-support base, 34-fixing seat. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with embodiments.

[0021] Embodiment one:

[0022] Referring to Figure 1 The utility model provides a fume hood safety device, this safety device sets up on the cabinet 5, specifically, the workbench surface 6 is provided in the cabinet 5, the outer edge of workbench surface 6 and located the inside of the both sides wall of cabinet 5 is provided with the view window 4 of slidable. The safety device is located between workbench surface 6 and view window 4.

[0023] Further, the safety device includes a hanging assembly 1, a support column 2 and a blocking assembly 3, the hanging assembly 1 includes a first hanging assembly 11 and a second hanging assembly 12, the blocking assembly 3 is movably installed on the support column 2. The support column 2 is provided with a detachable support cap, which facilitates the positioning of the blocking assembly 3. When the view window 4 needs to be supported, the first hanging assembly 11 is used to position the blocking assembly 3; when the view window 4 does not need to be supported, the second hanging assembly 12 supports the blocking assembly 3.

[0024] The first hanging assembly 11 is detachably installed on the outside of the both sides wall of the cabinet 5, specifically, a plurality of mounting holes can be equally spaced on the both sides wall of the cabinet 5, and the installation height of the first hanging assembly 11 can be adjusted according to actual needs. The second hanging assembly 12 is installed on the front wall of the cabinet 5.

[0025] The support column 2 is a square column, and the support column 2 is rotatably installed on the front wall of the cabinet 5. The blocking assembly 3 includes a support seat 33, the shape of the support seat is matched with the support column, a fixing seat 34 is installed on the support seat 33, a support column limiting rod 32 is connected to the fixing seat 34 in a transmission manner, a view window support rod 31 is installed on the support column limiting rod 32, the support column limiting rod 32 and the view window support rod 31 are perpendicular to each other, and Figure 2 .

[0026] When doing experiments, the support column limiting rod 32 and the view window support rod 31 are installed, the support column limiting rod 32 is perpendicular to the both sides wall of the cabinet 5, the view window support rod 31 is parallel to the both sides wall of the cabinet 5 and the length of the view window support rod 31 exceeds the position of the view window 4.

[0027] When not doing experiments, the support column limiting rod 32 is rotated to make the view window support rod 31 face outward, and then the support column 2 is rotated to be parallel to the workbench surface 6, so that the support column 2 falls on the second hanging assembly 12. The view window 4 is slid to the bottom point to be completely closed.

[0028] Embodiment two:

[0029] Referring to Figure 3 The utility model also provides a fume hood safety device, with above -mentioned embodiment difference lies in: the upper portion of support column 2 is round thread column structure, support base 33 is connected in round thread column, the detachable support column limiting rod 32 and window support rod 31 are connected on round thread column, can adopt thread connection mode connection or other detachable connection mode all can.

[0030] In actual application, the first suspension assembly 11 and the second suspension assembly 12 are selected to be fixed blocks with grooves on the top to adapt to the support column limiting rod 32 and the window support rod 31.

[0031] When doing experiments, rotate the support base 33 to the appropriate position on the support column 2, install the support column limiting rod 32 and the window support rod 31, make the support column limiting rod 32 perpendicular to the two side walls of the cabinet 5, make the window support rod 31 parallel to the two side walls of the cabinet 5 and the length of the window support rod 31 exceed the position of the window 4.

[0032] When not doing experiments, rotate the support column 2 to be parallel to the workbench surface 6, rotate the two support rods arranged at right angles outward, make the support base 33 or the support column 2 fall on the second suspension assembly 12, which can facilitate the disassembly and assembly of the two support rods arranged at right angles. Slide the window 4 to the bottom point to completely close.

[0033] The utility model provides a fume hood safety device, through the setting of safety device, effectively solved because track breaks and causes window to fall suddenly, and the problem of the injury of operating personnel, or because window falls and causes operating personnel to operate the mistake, and then causes reagent to splash, and causes the damage of operating personnel's two hands, the sudden drop of window has played the great buffer effect, and the safety of operating personnel has played the better guarantee effect.

[0034] Of course, the utility model also can have other various embodiments, under the condition that not departing from the spirit and the essence of the utility model, the person skilled in the art can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation all should belong to the protection range of the claims attached to the utility model.

Claims

1. A safety device for a fume hood, said safety device being arranged on a cabinet (5) in which a worktop (6) is arranged, said worktop (6) being provided with a slidable window (4) on its outer edge and on the inner side of the two side walls of the cabinet (5), characterized in that The safety device is located between the workbench (6) and the window (4), and comprises a hanging assembly (1), a support column (2) and a blocking assembly (3), the hanging assembly (1) comprises a first hanging assembly (11) and a second hanging assembly (12), and the blocking assembly (3) is movably arranged on the support column (2).

2. A safety device for a fume hood as defined in claim 1, wherein The support column (2) is a square column, and the support column (2) is rotatably arranged on the front wall of the cabinet body (5). The blocking assembly (3) comprises a support seat (33) which is matched with the support column in shape, a fixing seat (34) is arranged on the support seat (33), a drivable support column limiting rod (32) is connected to the fixing seat (34), a window support rod (31) is arranged on the support column limiting rod (32), and the length of the window support rod (31) exceeds the position of the window (4).

3. A safety device for a fume hood as defined in claim 2, wherein The upper part of the support column (2) is a circular threaded column structure, the support seat (33) is threadedly connected to the circular threaded column, and the detachable support column limiting rod (32) and the window support rod (31) are connected to the circular threaded column, the support column limiting rod (32) and the window support rod (31) are perpendicular to each other, and the length of the window support rod (31) exceeds the position of the window (4).

4. A safety device for a fume hood as defined in claim 3, wherein The first hanging assembly (11) and the second hanging assembly (12) are both selected to be fixed blocks with grooves at the top.

5. A safety device for a fume cupboard according to claim 2 or 3, wherein, The support column limiting rod (32) and the window support rod (31) are perpendicular to each other.

6. A safety device for a fume cupboard according to claim 2 or 3, wherein, A detachable support cap is arranged on the support column (2).

7. A safety device for a fume cupboard according to claim 2 or 3, wherein, A plurality of mounting holes are arranged on the two side walls of the cabinet body (5) at equal intervals, and the first hanging assembly (11) is detachably arranged outside the two side walls of the cabinet body (5) through the mounting holes.

8. A safety device for a fume hood as defined in claim 1, wherein When the window (4) needs to be supported, the first hanging assembly (11) is used for limiting the blocking assembly (3), and when the window (4) does not need to be supported, the second hanging assembly (12) is used for supporting the blocking assembly (3).

Images