CN211659523U - Air inlet grille for biological safety cabinet and biological safety cabinet - Google Patents
Air inlet grille for biological safety cabinet and biological safety cabinet Download PDFInfo
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- CN211659523U CN211659523U CN201922439220.5U CN201922439220U CN211659523U CN 211659523 U CN211659523 U CN 211659523U CN 201922439220 U CN201922439220 U CN 201922439220U CN 211659523 U CN211659523 U CN 211659523U
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- air inlet
- grid plate
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- inlet grid
- safety cabinet
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Abstract
An air inlet grille for a biological safety cabinet and the biological safety cabinet belong to the technical field of safety cabinets. The method is characterized in that: the air inlet grid plate comprises an air inlet grid plate (1), the middle part of the cross section of the air inlet grid plate (1) is concave downward, an air inlet opening is formed in the upper side of the air inlet grid plate (1), a plurality of air inlets (2) are formed in the air inlet grid plate (1), and at least one side of the upper part of the air inlet grid plate (1) is connected with an installation support frame (3). The utility model discloses improve the air inlet air current of biosafety cabinet, the utility model relates to an air-inlet grille utilizes V type structure, and the effectual air inlet area that has increased has improved the usable area of workspace, and the arm is to the influence of air current when having reduced personnel's operation simultaneously, simple to operate only need prevent with table surface anterior can.
Description
Technical Field
An air inlet grille for a biological safety cabinet and the biological safety cabinet belong to the technical field of safety cabinets.
Background
The air inlet grid of conventional biosafety cabinet all is planar structure, then needs bigger air inlet area if the same inflow air current of needs to can cause the reduction of equipment workspace mesa usable floor area, simultaneously because during the staff operation, the arm often can be put on table surface, can hinder partly gaseous inflow, thereby causes the reduction of inflow air current air inlet area, leads to the inflow air current inhomogeneous.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: overcome prior art's not enough, provide an air inlet grid and biological safety cabinet that is used for biological safety cabinet that the inflow air current is even, avoid the staff to hinder the air current.
The utility model provides a technical scheme that its technical problem adopted is: this an air inlet grid for biological safety cabinet, its characterized in that: the air inlet grid plate is characterized by comprising an air inlet grid plate, wherein the middle part of the cross section of the air inlet grid plate is concave downward, an air inlet opening is formed in the upper side of the air inlet grid plate, a plurality of air inlets are formed in the air inlet grid plate, and at least one side of the upper part of the air inlet grid plate is connected with an installation support frame.
The utility model discloses install at biological safety cabinet table surface front portion, be the air intake in introducing equipment with outside air current, after the air current gets into equipment to produce the negative pressure air current in front window operation port department, protect operating personnel not receive experiment harmful gas's harm, this the utility model discloses add dark V type support frame in the rear side of frame to also set up same rectangular hole on the support frame, contrast traditional planar structure, effectively increased the air inlet area that flows in the air current, and when personnel operated, but greatly reduced personnel arm thoroughly avoids the inhomogeneous phenomenon of flowing in the air current to the influence of flowing in the air current.
The air inlet grid plate is V-shaped. The front side and the rear side of the V-shaped are provided with the long round holes which are uniformly and densely distributed, the air permeable area is increased to the maximum space, and meanwhile, articles can be protected from falling into the equipment easily.
The air inlet grid plate is semicircular.
A plurality of air inlets are formed in the two side faces of the air inlet grid plate, and the air inlets in the two side faces of the air inlet grid plate are arranged oppositely.
The air inlet holes are long round holes.
The mounting support frame is a mounting support plate formed by bending the upper part of the air inlet grid plate to two sides.
A biosafety cabinet is characterized in that: including the safety cabinet body and foretell an air inlet grid for biosafety cabinet, safety cabinet body front side is equipped with the operation window, the internal horizontally operation panel that is equipped with of safety cabinet, the air inlet tank has been seted up on the safety cabinet body of operation window downside, safety cabinet body upper portion is equipped with air exhaust fan, operation panel downside and safety cabinet body rear side are equipped with the air exhaust runner, air exhaust fan passes through air exhaust runner intercommunication air inlet tank, the air inlet grid plate is fixed in the air inlet tank, the air inlet opening of air inlet grid plate sets up, the air inlet grid plate passes through erection bracing frame and safety cabinet body fixed connection.
A cross beam is fixed on the front side of the operating table, the air inlet groove is formed in the cross beam, and the air inlet grid plate is fixedly connected with the cross beam through the mounting support frame.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the utility model discloses install at biological safety cabinet table surface front portion, be the air intake in introducing equipment with outside air current, after the air current gets into equipment to produce the negative pressure air current in front window operation port department, protect operating personnel not receive experiment harmful gas's harm, this the utility model discloses add dark V type support frame in the rear side of frame to also set up same rectangular hole on the support frame, contrast traditional planar structure, effectively increased the air inlet area that flows in the air current, and when personnel operated, but greatly reduced personnel arm thoroughly avoids flowing in the inhomogeneous of air current to the influence of air current. The air inlet air current of biosafety cabinet has been improved, the utility model relates to an air inlet grid utilizes V type structure, and the effectual air inlet area that has increased has improved the usable area of workspace, and the arm is to the influence of air current when having reduced personnel's operation simultaneously, simple to operate, only need place in table surface anterior can.
Drawings
FIG. 1 is a schematic top view of an air intake grille for a biosafety cabinet.
FIG. 2 is a schematic front view of an air intake grille for a biosafety cabinet.
FIG. 3 is a schematic side view of an air intake grille for a biosafety cabinet.
Fig. 4 is a partial schematic view of the oblong hole.
Fig. 5 is an isometric view of a biosafety cabinet.
Fig. 6 is a schematic side sectional view of a biosafety cabinet.
The air inlet device comprises a base, an air inlet grid plate 1, an air inlet 3, a support frame 4, a safety cabinet body 5, an operation window 6, an air inlet groove 7, an air exhaust fan 8, an operation platform 9, an air exhaust flow channel 10 and a cross beam.
Detailed Description
Fig. 1 to 6 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 6.
Referring to the attached figures 1-4: the utility model provides an air inlet grid for biosafety cabinet, includes air inlet grid plate 1, and air inlet grid plate 1's cross section middle part is recessed, forms the air inlet opening at air inlet grid plate 1 upside, has seted up a plurality of inlet ports 2 on the air inlet grid plate 1, and at least one side in air inlet grid plate 1 upper portion is connected with erection bracing frame 3.
The air inlet grid plate 1 is V-shaped, or the air inlet grid plate 1 is semicircular.
A plurality of air inlets 2 are arranged on two side surfaces of the air inlet grid plate 1, and the air inlets 2 on the two side surfaces of the air inlet grid plate 1 are arranged oppositely. The air inlet 2 is a long round hole. The mounting support frame 3 is a mounting support plate formed by bending the upper part of the air inlet grid plate 1 to two sides.
Referring to figures 5 and 6:
the utility model provides a biological safety cabinet, including the safety cabinet body 4 and an air inlet grid for biological safety cabinet, 4 front sides of the safety cabinet body are equipped with operation window 5, the internal horizontally operation panel 8 that is equipped with of safety cabinet, the intake stack 6 has been seted up on the safety cabinet body 4 of operation window 5 downside, 4 upper portions of the safety cabinet body are equipped with air exhaust fan 7, 8 downside of operation panel and 4 rear sides of the safety cabinet body are equipped with air exhaust runner 9, air exhaust fan 7 communicates intake stack 6 through air exhaust runner 9, air inlet grid tray 1 is fixed in intake stack 6, air inlet opening of air inlet grid tray 1 sets up, air inlet grid tray 1 passes through erection bracing frame 3 and 4 fixed connection of the safety cabinet body. A cross beam is fixed on the front side of the workbench, the air inlet groove 6 is formed in the cross beam, and the air inlet grid plate 1 is fixedly connected with the cross beam through the mounting support frame 3.
The utility model discloses install at biological safety cabinet table surface front portion, but direct mount is anterior in biological safety cabinet table surface, and simple to operate does not influence other structures. Be with the air intake in the equipment is introduced to outside air current, after the air current gets into equipment to operation port department produces the negative pressure air current in the front window, and protection operating personnel does not receive experiment harmful gas's harm, this the utility model discloses add dark V type support frame in the rear side of frame to also set up same rectangular hole on the support frame, contrast traditional planar structure, effectively increased the air inlet area of inflow air current, and when personnel operated, but greatly reduced personnel's arm is to the influence of inflow air current.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an air-inlet grille for biosafety cabinet which characterized in that: the air inlet grid plate comprises an air inlet grid plate (1), the middle part of the cross section of the air inlet grid plate (1) is concave downward, an air inlet opening is formed in the upper side of the air inlet grid plate (1), a plurality of air inlets (2) are formed in the air inlet grid plate (1), and at least one side of the upper part of the air inlet grid plate (1) is connected with an installation support frame (3).
2. An air intake grille for a biosafety cabinet as claimed in claim 1, wherein: the air inlet grid plate (1) is V-shaped.
3. An air intake grille for a biosafety cabinet as claimed in claim 1, wherein: the air inlet grid plate (1) is semicircular.
4. An air intake grille for a biosafety cabinet as claimed in claim 1, wherein: the air inlet grid plate is characterized in that a plurality of air inlets (2) are formed in two side faces of the air inlet grid plate (1), and the air inlets (2) in the two side faces of the air inlet grid plate (1) are arranged oppositely.
5. An air intake grille for a biosafety cabinet as claimed in claim 1, wherein: the air inlet holes (2) are long round holes.
6. An air intake grille for a biosafety cabinet as claimed in claim 1, wherein: the mounting support frame (3) is formed by bending the upper part of the air inlet grid plate (1) to two sides.
7. A biosafety cabinet is characterized in that: the air inlet grille for the biological safety cabinet comprises a safety cabinet body (4) and any one of claims 1 to 5, wherein an operation window (5) is arranged on the front side of the safety cabinet body (4), a horizontal operation table (8) is arranged in the safety cabinet body (4), an air inlet groove (6) is formed in the safety cabinet body (4) on the lower side of the operation window (5), an air exhaust fan (7) is arranged on the upper portion of the safety cabinet body (4), an air exhaust flow channel (9) is arranged on the lower side of the operation table (8) and the rear side of the safety cabinet body (4), the air exhaust fan (7) is communicated with the air inlet groove (6) through the air exhaust flow channel (9), the air inlet grid plate (1) is fixed in the air inlet groove (6), an air inlet opening of the air inlet grid plate (1) is arranged upwards, and the air inlet grid plate (1).
8. The biosafety cabinet according to claim 7, wherein: the front side of the operating platform is fixed with a crossbeam, the air inlet groove (6) is arranged on the crossbeam, and the air inlet grid plate (1) is fixedly connected with the crossbeam through the mounting support frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922439220.5U CN211659523U (en) | 2019-12-30 | 2019-12-30 | Air inlet grille for biological safety cabinet and biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922439220.5U CN211659523U (en) | 2019-12-30 | 2019-12-30 | Air inlet grille for biological safety cabinet and biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211659523U true CN211659523U (en) | 2020-10-13 |
Family
ID=72737450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922439220.5U Active CN211659523U (en) | 2019-12-30 | 2019-12-30 | Air inlet grille for biological safety cabinet and biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211659523U (en) |
-
2019
- 2019-12-30 CN CN201922439220.5U patent/CN211659523U/en active Active
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