CN212096431U - Biological safety cabinet - Google Patents

Abstract

The utility model relates to a biological safety cabinet relates to biological safety equipment technical field, the intelligent cabinet temperature adjusting device comprises a cabinet body and a cabinet door, the internal operation chamber that has seted up of cabinet, the fixed operation platform that is provided with of operation intracavity, set up two operation holes that communicate with the operation chamber on the cabinet door, operation platform's roof is followed vertical direction and is seted up the passageway that runs through operation platform, the below of passageway is provided with the instrument bucket, the fixed mounting panel that is provided with in top of instrument bucket, set up the perforation with the inside intercommunication of instrument bucket on the mounting panel, passageway intercommunication operation chamber and perforation, the mounting panel can be dismantled through the connecting piece and set up on operation platform. The utility model discloses have the effect of the storage tool of being convenient for.

Description

Biological safety cabinet

Technical Field

The utility model belongs to the technical field of biological safety equipment technique and specifically relates to a biological safety cabinet is related to.

Background

The biosafety cabinet is designed for protecting the operator, the laboratory environment and the experimental materials from being exposed to infectious aerosols and splashes which may be generated in the operation process when operating infectious experimental materials such as primary cultures, strains of bacteria and viruses and diagnostic specimens. The air purification technology is adopted, the protection to the environment, personnel and samples is realized, and the air purification device is the most basic safety protection equipment in the primary biological safety protection barrier in a laboratory.

Chinese patent with publication number CN206011143U discloses a biological safety cabinet capable of measuring temperature, which comprises a box body and a supporting column, wherein the box body is arranged on the supporting column, the front end of the box body is provided with a front protective cover plate, the front protective cover plate is provided with radiation-proof glass, the center of the radiation-proof glass is provided with two open holes, and a bottom plate of the box body is provided with a tool containing cylinder. When the box is used, tools and materials required to be used are placed on the bottom plate of the box body, and then the front protective cover plate is covered. The operator can operate in the box body by respectively penetrating two open holes with both hands. The instrument that will use up is put into instrument and is held a section of thick bamboo in, and instrument holds a section of thick bamboo and accomodates the instrument, effectively prevents that the instrument from being polluted by the material.

The above prior art solutions have the following drawbacks: the tool containing barrel placed above the bottom plate has a certain height, an operator needs to lift both hands and then place the tool into the tool containing barrel, the opening holes can limit the moving range of both hands, and operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a biosafety cabinet which is not enough in the prior art and has the advantage of being convenient for to store tools.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a biosafety cabinet, includes the cabinet body and cabinet door, the internal operation chamber that has seted up of cabinet, the fixed operation platform that is provided with of operation intracavity, set up two operation holes with operation chamber intercommunication on the cabinet door, operation platform's roof is seted up along vertical direction and is run through operation platform's passageway, the below of passageway is provided with the instrument bucket, the fixed mounting panel that is provided with in top of instrument bucket, set up the perforation with the inside intercommunication of instrument bucket on the mounting panel, passageway intercommunication operation chamber and perforation, the mounting panel passes through the connecting piece and can dismantle the setting on operation platform.

By adopting the technical scheme, when the tool barrel is used, the mounting plate and the tool barrel are mounted below the channel through the connecting piece, so that the channel is communicated with the tool barrel and the operation cavity. Tools, materials and the like are placed on the operation platform, the cabinet door is closed, and then two hands penetrate through the operation holes and extend into the operation cavity to be operated. The used tool is put into the tool barrel through the channel, and then the tool can be stored. With the instrument bucket design in operation platform's below, the staff need not to raise both hands and places the instrument, convenient operation.

The present invention may be further configured in a preferred embodiment as: the connecting piece is two mounting bars, two the mounting bar is parallel and fixed to be set up on operation platform's diapire, two the mounting groove has been seted up along the length direction of mounting bar to the lateral wall that the mounting bar is close to each other, the mounting panel slides and sets up between two mounting grooves, be provided with the locating part that is used for injecing the mounting panel position on the mounting bar.

Through adopting above-mentioned technical scheme, during the mounting tool bucket, slide the mounting panel into between two mounting grooves, then inject the position of mounting panel through the locating part, can inject the position of instrument bucket to accomplish the installation of instrument bucket, convenient operation.

The present invention may be further configured in a preferred embodiment as: the locating part is a limiting rod, the limiting rod is arranged at one end of the mounting bar in a rotating mode through a first rotating shaft, the axis direction of the first rotating shaft is parallel to the length direction of the mounting bar, one end, far away from the limiting rod, of the mounting groove is arranged in a closed mode, and the limiting rod can be abutted to the side wall, far away from the closed end of the mounting groove, of the mounting plate.

Through adopting above-mentioned technical scheme, during the mounting tool bucket, slide the mounting panel into between two mounting grooves to make the blind end butt of mounting panel and mounting groove, then rotate the gag lever post, make the lateral wall butt of mounting groove blind end be kept away from with the mounting panel to the gag lever post, can the position of fixed mounting panel, convenient operation.

The present invention may be further configured in a preferred embodiment as: the tool barrel is provided with a barrel cover, a sliding groove is formed in the top wall of the mounting plate along the length direction of the mounting strip, a sliding strip is fixedly arranged on the bottom wall of the barrel cover and is arranged in the sliding groove in a sliding mode, and the bottom wall of the barrel cover is flush with the upper wall of the mounting groove.

Through adopting above-mentioned technical scheme, the bung is used for sealing the instrument bucket. When the tool barrel is installed, the installation plate slides into the space between the two installation grooves, the installation strip blocks the barrel cover, the position of the barrel cover is static, the installation plate continues to move, the barrel cover is separated from the through hole, and the barrel cover is opened. In the process of installing the tool barrel, the barrel cover is opened simultaneously, and the operation is convenient.

The present invention may be further configured in a preferred embodiment as: the slide bar is a T-shaped bar, and the sliding groove is a T-shaped groove matched with the slide bar.

Through adopting above-mentioned technical scheme, the cooperation in T shape strip and T-slot makes spout and draw runner looks adaptation, has improved the stability of bung on the mounting panel.

The present invention may be further configured in a preferred embodiment as: be provided with in the spout and be used for driving about the bung and seal fenestrate spring, the one end of spring and the blind end fixed connection of spout, the other end and the one end fixed connection that the draw runner is close to the spout blind end.

Through adopting above-mentioned technical scheme, slide the mounting panel into between two mounting grooves, the mounting bar stops the effect to the bung, makes bung position static, and the mounting panel continues the motion to make bung and perforation separation, the spring is tensile. When the tool barrel is taken out, the limiting effect of the limiting part on the mounting plate is removed, then the mounting plate is moved out from the mounting groove, the elastic force generated by the stretching of the spring enables the barrel cover and the mounting plate to be close to each other, so that the barrel cover automatically seals the mounting plate, the harmful substances in the tool barrel are effectively prevented from polluting the external environment, and the operation is convenient.

The present invention may be further configured in a preferred embodiment as: the improved structure is characterized in that a guide frame is arranged in the channel, the guide frame is a hollow round table which is placed upside down, the lowest end of the guide frame penetrates through the channel and is communicated with the through hole of the mounting plate, and the guide frame is hung on the operating platform through the mounting ring.

Through adopting above-mentioned technical scheme, the guide frame plays the guide effect to the instrument of putting into the instrument bucket, effectively prevents the inside wall direct contact of instrument and passageway, has reduced the pollution of passageway.

The present invention may be further configured in a preferred embodiment as: and a cover plate is arranged at the top of the guide frame.

Through adopting above-mentioned technical scheme, after putting into the instrument bucket with the instrument, cover the apron, seal collar and guide frame. The cover plate plays a certain protection role on the guide frame and the tool barrel, and the diffusion of harmful gas or substances into the guide frame and the tool barrel in work engineering is reduced.

To sum up, the utility model discloses following beneficial technological effect has:

1. the tool barrel is designed below the operating platform, so that workers do not need to lift hands to place tools, and the operation is convenient;

2. the T-shaped strip is matched with the T-shaped groove, so that the sliding groove is matched with the sliding strip, and the stability of the barrel cover on the mounting plate is improved;

3. the guide frame plays a guiding role in guiding tools placed in the tool barrel, so that the tools are effectively prevented from being in direct contact with the inner side wall of the channel, and the pollution of the channel is reduced.

Drawings

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

fig. 2 is a partial schematic view of the present invention;

FIG. 3 is an exploded view of the guide frame and waste bin;

fig. 4 is an exploded view of the mounting bar and mounting plate.

Reference numerals: 1. a support frame; 11. a universal wheel; 2. a cabinet body; 21. a cabinet door; 211. an operation hole; 22. a control panel; 23. an operating chamber; 24. an operating platform; 241. a channel; 25. an ultraviolet lamp; 26. an illuminating lamp; 27. mounting a bar; 271. mounting grooves; 3. a tool barrel; 31. mounting a plate; 311. perforating; 312. a chute; 32. a barrel cover; 321. a slide bar; 4. a limiting rod; 41. a first rotating shaft; 5. a spring; 6. a guide frame; 61. a mounting ring; 62. a cover plate; 63. a second rotating shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a biological safety cabinet, including support frame 1 and the cabinet body 2, the cabinet body 2 is fixed to be set up in the top of support frame 1. The bottom of support frame 1 is rotated and is provided with a plurality of universal wheels 11, and universal wheel 11 in this embodiment sets up to four, the transport of the whole safety cabinet of being convenient for. The cabinet body 2 is provided with a cabinet door 21 along the vertical direction in a sliding manner, and the cabinet door 21 is made of transparent radiation-proof glass. The outer side wall of the cabinet body 2 is provided with a control panel 22, and the control panel 22 is positioned above the cabinet door 21.

Referring to fig. 1 and 2, an operation cavity 23 is formed in the cabinet body 2, and a horizontal operation platform 24 is fixedly arranged in the operation cavity 23. An ultraviolet lamp 25 and an illuminating lamp 26 are arranged on the inner side wall of the operation chamber 23 far away from the cabinet door 21, and in the embodiment, the ultraviolet lamp 25 with the power of 30w is selected. Two operation holes 211 communicated with the operation cavity 23 are formed in the cabinet door 21, and a worker can penetrate two hands through the two operation holes 211 to stretch into the operation cavity 23 and then work on the operation platform 24. The operation platform 24 is provided with a channel 241 along the vertical direction, and the section of the channel 241 is circular. A tool barrel 3 is disposed below the channel 241, and the tool barrel 3 is a hollow cylinder for receiving tools and preventing the tools from being contaminated.

Referring to fig. 3 and 4, two mounting bars 27 are fixedly arranged at the bottom of the operating platform 24, the mounting bars 27 are rectangular bars, and the two mounting bars 27 are arranged in parallel. The mounting groove 271 is opened along the length direction of mounting bar 27 to the mutual close lateral wall of two mounting bars 27, and the one end of mounting groove 271 seals the setting. The fixed mounting panel 31 that is provided with in top of instrument bucket 3, mounting panel 31 are square board, and set up on the mounting panel 31 with the perforation 311 of the inside intercommunication of instrument bucket 3, perforation 311 is the round hole, perforation 311's aperture equals the diameter of instrument bucket 3. The mounting plate 31 is slidably disposed between the two mounting grooves 271, and the width of the mounting plate 31 is equal to the length of the mounting groove 271.

Referring to fig. 3 and 4, the mounting bar 27 is provided with a limiting rod 4 for limiting the position of the mounting plate 31, and the limiting rod 4 is a square rod. The limiting rod 4 is rotatably disposed on the mounting bar 27 by using a first rotating shaft 41, the first rotating shaft 41 is a round shaft, the axial direction of the first rotating shaft 41 is parallel to the length direction of the mounting bar 27, and the first rotating shaft 41 is disposed away from the closed end of the mounting groove 271. When the mounting plate 31 slides into the mounting groove 271 and abuts against the closed end of the mounting bar 27, the channel 241 is communicated with the through hole 311, the limiting rod 4 is rotated to enable the limiting rod 4 to be in a vertical state, the limiting rod 4 and the mounting plate 31 are far away from the side wall abutting against the closed end of the mounting groove 271, the position of the mounting plate 31 can be limited, and therefore the position of the tool barrel 3 can be fixed.

Referring to fig. 3 and 4, the tool barrel 3 is provided with a barrel cover 32, the barrel cover 32 is a rectangular plate, the barrel cover 32 is located above the mounting plate 31, and the bottom wall of the barrel cover 32 is flush with the upper wall of the mounting groove 271. A sliding strip 321 is fixedly arranged at the bottom of the barrel cover 32, and the length direction of the sliding strip 321 is parallel to the width direction of the barrel cover 32. The slide bar 321 is a T-shaped bar. The number of the sliding bars 321 is two, and the two sliding bars 321 are parallel to each other. The top wall of the mounting plate 31 is provided with two sliding grooves 312 along the length direction of the mounting bar 27, and one ends of the sliding grooves 312 far away from the limiting rod 4 are sealed. The two sliding strips 321 are respectively arranged in the two sliding grooves 312 in a sliding manner, the sliding grooves 312 are T-shaped grooves, and the sliding grooves 312 are matched with the sliding strips 321, so that the stability of the barrel cover 32 on the mounting plate 31 is improved.

Referring to fig. 3 and 4, a spring 5 for driving the tub cover 32 to close the through hole 311 is disposed in the sliding groove 312, one end of the spring 5 is fixedly connected to the closed end of the sliding groove 312, and the other end is fixedly connected to the side wall of the sliding strip 321 near the closed end of the sliding groove 312. When the mounting plate 31 slides into the mounting groove 271, the mounting bar 27 abuts against the barrel cover 32 to make the barrel cover 32 still, and the spring 5 stretches. The mounting plate 31 is slid out of the mounting groove 271, and the lid 32 is automatically moved toward the through hole 311 by the elastic force of the extension of the spring 5, so that the lid 32 closes the mounting plate 31 and the tool barrel 3.

Referring to fig. 2 and 3, a guide frame 6 is disposed in the channel 241 for guiding a tool placed in the tool bucket 3, and effectively preventing the tool from directly contacting with the inner sidewall of the channel 241. The guide frame 6 is an inverted hollow round table, and the lowest end of the guide frame 6 passes through the channel 241 and is communicated with the through hole 311 of the mounting plate 31. The side wall of the guide frame 6 is fixedly provided with a mounting ring 61, the mounting ring 61 is in a circular ring shape, and the mounting ring 61 is positioned at the top of the guide frame 6. The inner diameter of the mounting ring 61 is equal to the diameter of the upper end of the channel 241, the outer diameter of the mounting ring 61 is larger than the diameter of the upper end of the channel 241, and the guide frame 6 is hung on the operating platform 24 through the mounting ring 61.

Referring to fig. 2 and 3, a cover plate 62 is eccentrically and rotatably provided on the top wall of the mounting ring 61 by a second rotating shaft 63, the cover plate 62 is a circular plate, and the diameter of the cover plate 62 is greater than the inner diameter of the mounting ring 61. The second rotating shaft 63 is a circular shaft, and the axial direction of the second rotating shaft 63 is perpendicular to the mounting ring 61.

The implementation principle of the embodiment is as follows: during the use, during mounting tool bucket 3, slide mounting panel 31 between two mounting grooves 271 to make mounting panel 31 and the blind end butt of mounting groove 271, then rotate gag lever post 4, make gag lever post 4 and mounting panel 31 keep away from the lateral wall butt of mounting groove 271 blind end, can the position of fixed mounting panel 31 and tool bucket 3, thereby accomplish the installation of tool bucket 3, passageway 241 can communicate tool bucket 3 and operation chamber 23, convenient operation.

Then, tools, materials, and the like are placed on the operation platform 24, the cabinet door 21 is closed, and then both hands are inserted into the operation chamber 23 through the operation holes 211 to perform an operation. The used tool is put into the tool barrel 3 through the passage 241, and the tool can be stored. With the design of instrument bucket 3 in the below of operation platform 24, the staff need not to raise both hands and places the instrument, convenient operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a biological safety cabinet, includes the cabinet body (2) and cabinet door (21), operation chamber (23) have been seted up in the cabinet body (2), operation chamber (23) internal fixation is provided with operation platform (24), set up two operation hole (211) that communicate with operation chamber (23) on cabinet door (21), its characterized in that: passageway (241) that runs through operation platform (24) are seted up along vertical direction to the roof of operation platform (24), the below of passageway (241) is provided with instrument bucket (3), the fixed mounting panel (31) that is provided with in top of instrument bucket (3), set up on mounting panel (31) with the perforation (311) of instrument bucket (3) inside intercommunication, passageway (241) intercommunication operation chamber (23) and perforation (311), mounting panel (31) can be dismantled through the connecting piece and set up on operation platform (24).

2. A biosafety cabinet according to claim 1, wherein: the connecting piece is two mounting strips (27), two mounting strip (27) are parallel and fixed to be set up on the diapire of operation platform (24), two mounting groove (271) have been seted up along the length direction of mounting strip (27) to the lateral wall that mounting strip (27) are close to each other, mounting panel (31) slide and set up between two mounting grooves (271), be provided with the locating part that is used for injecing mounting panel (31) position on mounting strip (27).

3. A biosafety cabinet according to claim 2, wherein: the locating part is gag lever post (4), gag lever post (4) rotate with first pivot (41) and set up in the one end of installing strip (27), the axis direction of first pivot (41) is parallel with the length direction of installing strip (27), the one end that gag lever post (4) were kept away from in mounting groove (271) seals the setting, gag lever post (4) can keep away from the lateral wall butt of mounting groove (271) blind end with mounting panel (31).

4. A biosafety cabinet according to claim 2, wherein: be provided with bung (32) on instrument bucket (3), spout (312) have been seted up along the length direction of mounting bar (27) to the roof of mounting panel (31), the diapire of bung (32) is fixed and is provided with draw runner (321), draw runner (321) slide and set up in spout (312), the diapire of bung (32) flushes with the upper wall of mounting groove (271).

5. A biosafety cabinet according to claim 4, wherein: the sliding strip (321) is a T-shaped strip, and the sliding groove (312) is a T-shaped groove matched with the sliding strip (321).

6. A biosafety cabinet according to claim 4, wherein: a spring (5) used for driving the barrel cover (32) to seal the through hole (311) is arranged in the sliding groove (312), one end of the spring (5) is fixedly connected with the closed end of the sliding groove (312), and the other end of the spring is fixedly connected with one end, close to the closed end of the sliding groove (312), of the sliding strip (321).

7. A biosafety cabinet according to claim 1, wherein: be provided with guide frame (6) in passageway (241), guide frame (6) are the cavity round platform of putting upside down, the perforation (311) intercommunication of passageway (241) and mounting panel (31) is passed to the lowest of guide frame (6), guide frame (6) are hung through mounting ring (61) and are put on operation platform (24).

8. A biosafety cabinet according to claim 7, wherein: and a cover plate (62) is arranged at the top of the guide frame (6).

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