CN216093717U - Biological safety cabinet - Google Patents

Biological safety cabinet Download PDF

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Publication number
CN216093717U
CN216093717U CN202122194279.XU CN202122194279U CN216093717U CN 216093717 U CN216093717 U CN 216093717U CN 202122194279 U CN202122194279 U CN 202122194279U CN 216093717 U CN216093717 U CN 216093717U
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China
Prior art keywords
fixedly connected
working box
observation window
gear
rack
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CN202122194279.XU
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Chinese (zh)
Inventor
杨旭
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Shanghai Keyuan Biotechnology Co ltd
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Shanghai Keyuan Biotechnology Co ltd
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Abstract

The utility model relates to the technical field of experimental equipment, in particular to a biological safety cabinet, which is fixedly connected with a working box through four supporting components, a ventilation mechanism is fixedly connected with the working box, a sliding block is fixedly connected with an observation window, the sliding block is slidably connected with the working box, a rack is fixedly connected with the observation window, a motor is fixedly connected with the working box, a gear is fixedly connected with the output end of the motor and meshed with the rack, a stop block is fixedly connected with the observation window, the stop block is slidably connected with the working box, the motor drives the gear to rotate, so that the rack meshed with the gear drives the observation window to slide on the working box through the sliding block, when the motor stops rotating, the rack on the observation window is clamped on the gear, and the observation window is fixed on the working box, and the problem that the observation window of the biological safety cabinet is easy to slide down in the experimental process is solved.

Description

Biological safety cabinet
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to a biological safety cabinet.
Background
When a laboratory worker operates experimental materials with infection, toxicity and volatility, the laboratory worker needs to operate in a biological safety cabinet, and the biological safety cabinet can not only prevent the laboratory environment from polluting the experimental materials, but also ensure the physical health of the laboratory worker;
the size of the operation opening of the working box is changed through the observation window in the conventional biological safety cabinet, and an experimenter observes the inside of the working box through the observation window and carries out experiments.
But observation window direct mount takes place the condition of gliding in the spout of work box in the experimentation easily for the observation window to cause the influence to experimenter's work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a biological safety cabinet, and aims to solve the problem that an observation window of the biological safety cabinet is easy to slide down in the experimental process.
In order to achieve the purpose, the utility model provides a biological safety cabinet, which comprises an installation mechanism, a separation mechanism and a ventilation mechanism;
the mounting mechanism comprises a working box and four supporting components, the four supporting components are respectively and fixedly connected with the working box and are all positioned at one side of the working box, the working box is provided with a ventilation opening, and the ventilation mechanism is fixedly connected with the working box and is positioned at the ventilation opening;
the separation mechanism comprises a sliding block, an observation window, a rack, a motor, a gear and a stop block, the working box further comprises a first sliding groove and a second sliding groove, one side of the sliding block is fixedly connected with the observation window and is located on one side of the observation window, the other side of the sliding block is connected with the working box in a sliding mode and is located in the first sliding groove, the rack is fixedly connected with the observation window and is located on one side of the sliding block, the motor is fixedly connected with the working box and is located on the inner side wall of the working box, the gear is fixedly connected with the output end of the motor, the gear is meshed with the rack, one side of the stop block is fixedly connected with the observation window and is located on one side of the rack, and the other side of the stop block is connected with the working box in a sliding mode and is located in the second sliding groove.
The motor drives the gear to rotate, so that the rack meshed with the gear drives the observation window to slide in the first sliding groove in the working box through the sliding block, when the motor stops rotating, the rack on the observation window is clamped on the gear, and the observation window is fixed on the working box.
The blocking mechanism further comprises an outer barrel, a buffer spring and an inner barrel, the outer barrel is fixedly connected with the stop block and is located close to one side of the gear, the buffer spring is fixedly connected with the outer barrel and is located inside the outer barrel, and the inner barrel is fixedly connected with the buffer spring and penetrates through the outer barrel.
The buffer spring can buffer the force between the stop dog and the gear, the gear or the stop dog is prevented from being damaged due to the fact that the pressure between the stop dog and the gear is too large, the outer barrel and the inner barrel surround the buffer spring, and the influence of external foreign matters on the work of the buffer spring can be avoided.
The separation mechanism further comprises a limiting block, and the limiting block is fixedly connected with the inner barrel and is positioned inside the outer barrel.
The diameter of the limiting block is larger than the caliber of the outer barrel, so that the inner barrel can be prevented from being ejected out of the inner barrel by the buffer spring.
The blocking mechanism further comprises a cushion pad, and the cushion pad is fixedly connected with the inner barrel and is positioned on one side far away from the limiting block.
The buffer pad can avoid the inner cylinder and the gear from contacting and rubbing to cause damage.
The supporting assembly comprises supporting legs and universal wheels, the supporting legs are fixedly connected with the working box and located on one side of the working box, and the universal wheels are fixedly connected with the supporting legs and located on one side far away from the working box.
The supporting legs of the supporting assembly provide stability for the work of the blocking mechanism and the ventilation mechanism on the work box, and the work box can be moved by the universal wheels on the supporting legs.
The supporting component comprises a brake pad, the brake pad is connected with the universal wheel in a rotating mode and is located on the outer side wall of the universal wheel.
The universal wheel can be in a braking state by stepping on the brake pad on the universal wheel.
The supporting assembly comprises an anti-skid ring, and the anti-skid ring is fixedly connected with the universal wheel and is positioned around the universal wheel.
The anti-skidding ring can avoid the universal wheel to slide with the placing surface under the braking state.
The ventilation mechanism comprises a valve and a ventilation assembly, the valve is fixedly connected with the working box and is positioned at the ventilation opening, and the ventilation assembly is fixedly connected with the working box and is positioned at the ventilation opening.
Under the condition that the work box is not used, motor drive the gear revolve, thereby drive on the rack the observation window will the operation mouth of work box seals, the valve will the work box the vent seals, avoids external foreign matter to get into in the work box when experimenting in the work box, motor drive the gear revolve, thereby drive on the rack the observation window rises, the valve is opened, ventilation assembly will be because of the produced gas of operation experiment is followed in the work box vent department discharges.
According to the biological safety cabinet, the motor drives the gear to rotate, so that the rack meshed with the gear is driven to drive the observation window to slide in the first sliding groove in the working box through the sliding block, when the motor stops rotating, the rack on the observation window is clamped on the gear, the observation window is further fixed on the working box, and the problem that the observation window of the biological safety cabinet is prone to sliding down in the experiment process is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a biosafety cabinet provided by the utility model;
FIG. 2 is a sectional view of a biosafety cabinet provided by the utility model along the direction of a motor;
FIG. 3 is a sectional view of a biosafety cabinet according to the present invention, taken along a direction of a stopper;
FIG. 4 is an enlarged view of detail A of FIG. 3;
FIG. 5 is a schematic structural diagram of the universal wheel, the brake pad and the anti-slip ring.
1-mounting mechanism, 2-separation mechanism, 3-ventilation opening, 4-ventilation mechanism, 5-work box, 6-support component, 7-first sliding groove, 8-second sliding groove, 9-sliding block, 10-observation window, 11-rack, 12-motor, 13-gear, 14-stop block, 15-outer cylinder, 16-buffer spring, 17-inner cylinder, 18-limit block, 19-buffer pad, 20-support leg, 21-universal wheel, 22-brake block, 23-anti-slip ring, 24-valve, 25-ventilation component.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a biosafety cabinet, which includes an installation mechanism 1, a blocking mechanism 2 and a ventilation mechanism 4;
the mounting mechanism 1 comprises a working box 5 and four supporting components 6, the four supporting components 6 are respectively and fixedly connected with the working box 5 and are all positioned at one side of the working box 5, the working box 5 is provided with a ventilation opening 3, and the ventilation mechanism 4 is fixedly connected with the working box 5 and is positioned at the ventilation opening 3;
the separation mechanism 2 comprises a sliding block 9, an observation window 10, a rack 11, a motor 12, a gear 13 and a stop block 14, the working box 5 is further provided with a first sliding groove 7 and a second sliding groove 8, one side of the sliding block 9 is fixedly connected with the observation window 10 and is positioned on one side of the observation window 10, the other side of the sliding block 9 is slidably connected with the working box 5 and is positioned in the first sliding groove 7, the rack 11 is fixedly connected with the observation window 10 and is positioned on one side far away from the sliding block 9, the motor 12 is fixedly connected with the working box 5 and is positioned on the inner side wall of the working box 5, the gear 13 is fixedly connected with the output end of the motor 12, the gear 13 is meshed with the rack 11, one side of the stop block 14 is fixedly connected with the observation window 10 and is positioned on one side close to the rack 11, and the other side of the stop block 14 is slidably connected with the working box 5, and is located in said second runner 8.
In this embodiment, the supporting component 6 of the installation mechanism 1 provides stability for the operation of the blocking mechanism 2 and the ventilation mechanism 4 on the working box 5, the ventilation mechanism 4 can exhaust the gas generated in the working box 5 due to the operation experiment from the ventilation opening 3, the motor 12 drives the gear 13 to rotate, so as to drive the rack 11 meshed with the gear 13 to drive the observation window 10 to move on the working box 5, during the movement of the observation window 10, the slider 9 drives the side of the observation window 10 away from the rack 11 to slide on the first chute 7, the stopper 14 drives the side of the observation window 10 close to the rack 11 to slide on the second chute 8, so as to increase the stability of the observation window 10 during movement, and when the motor 12 stops rotating, the rack 11 on the observation window 10 is clamped on the gear 13, so that the observation window 10 is fixed on the working box 5, the stop block 14 on the observation window 10 is positioned at the bottom of the observation window 10, so that the observation window 10 can be prevented from sliding out of the working box 5, and the problem that the observation window 10 of the biological safety cabinet easily slides down in the experiment process is solved.
Further, the blocking mechanism 2 further comprises an outer cylinder 15, a buffer spring 16 and an inner cylinder 17, wherein the outer cylinder 15 is fixedly connected with the stopper 14 and is positioned at one side close to the gear 13, the buffer spring 16 is fixedly connected with the outer cylinder 15 and is positioned inside the outer cylinder 15, and the inner cylinder 17 is fixedly connected with the buffer spring 16 and penetrates through the outer cylinder 15; the blocking mechanism 2 further comprises a limiting block 18, and the limiting block 18 is fixedly connected with the inner cylinder 17 and is positioned inside the outer cylinder 15; the blocking mechanism 2 further comprises a cushion pad 19, and the cushion pad 19 is fixedly connected with the inner cylinder 17 and is positioned on one side far away from the limiting block 18.
In this embodiment, the buffer spring 16 can buffer the force between the stopper 14 and the gear 13, so as to prevent the gear 13 or the stopper 14 from being damaged due to an excessive pressure between the stopper 14 and the gear 13, the buffer spring 16 can be surrounded by the outer cylinder 15 and the inner cylinder 17, so as to prevent an external foreign object from affecting the operation of the buffer spring 16, the inner cylinder 17 can slide in the outer cylinder 15 according to the expansion and contraction of the buffer spring 16, the diameter of the stopper 18 is larger than that of the outer cylinder 15, so as to prevent the inner cylinder 17 from being pushed out of the outer cylinder 15 by the buffer spring 16, and the cushion pad 19 can prevent the inner cylinder 17 from being damaged due to the contact friction with the gear 13.
Further, the support assembly 6 comprises a support leg 20 and a universal wheel 21, the support leg 20 is fixedly connected with the work box 5 and is positioned at one side of the work box 5, and the universal wheel 21 is fixedly connected with the support leg 20 and is positioned at one side far away from the work box 5; the support assembly 6 comprises a brake pad 22, and the brake pad 22 is rotatably connected with the universal wheel 21 and is positioned on the outer side wall of the universal wheel 21; the supporting assembly 6 comprises an anti-skid ring 23, and the anti-skid ring 23 is fixedly connected with the universal wheel 21 and is positioned around the universal wheel 21.
In this embodiment, the support leg 20 of the support assembly 6 provides stability for the operation of the blocking mechanism 2 and the ventilation mechanism 4 on the work box 5, the work box 5 can be moved by the universal wheel 21 on the support leg 20, the universal wheel 21 can be in a braking state by pressing the brake pad 22 on the universal wheel 21, and the anti-slip ring 23 can prevent the universal wheel 21 from slipping with a placing surface in the braking state.
Further, the ventilation mechanism 4 includes a valve 24 and a ventilation assembly 25, the valve 24 is fixedly connected to the working box 5 and located at the ventilation opening 3, and the ventilation assembly 25 is fixedly connected to the working box 5 and located at the ventilation opening 3.
In this embodiment, under the condition that the work box 5 is not used, the motor 12 drives the gear 13 to rotate, thereby driving the observation window 10 on the rack 11 to close the operation opening of the work box 5, the valve 24 will the vent 3 of the work box 5 is closed, so as to avoid external foreign matters from entering the work box 5, when an experiment is performed in the work box 5, the motor 12 drives the gear 13 to rotate, thereby driving the observation window 10 on the rack 11 to ascend, the valve 24 is opened, and the ventilation assembly 25 discharges the gas generated in the work box 5 due to the operation experiment from the vent 3.
In the biosafety cabinet of the utility model, the supporting component 6 of the mounting mechanism 1 provides stability for the operation of the blocking mechanism 2 and the ventilation mechanism 4 on the working box 5, the ventilation mechanism 4 can exhaust gas generated in the working box 5 due to operation experiments from the ventilation opening 3, the motor 12 drives the gear 13 to rotate, so as to drive the rack 11 meshed with the gear 13 to drive the observation window 10 to move on the working box 5, in the moving process of the observation window 10, the slide block 9 drives one side of the observation window 10 far away from the rack 11 to slide on the first chute 7, the stop block 14 drives one side of the observation window 10 close to the rack 11 to slide on the second chute 8, so as to increase the stability of the observation window 10 in moving, when the motor 12 stops rotating, the rack 11 on the observation window 10 is clamped on the gear 13, so that the observation window 10 is fixed on the working box 5, the stop block 14 on the observation window 10 is positioned at the bottom of the observation window 10, so that the observation window 10 can be prevented from sliding out of the working box 5, and the problem that the observation window 10 of the biological safety cabinet easily slides down in the experiment process is solved.
While the utility model 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 utility model as defined by the appended claims.

Claims (8)

1. A biosafety cabinet is characterized by comprising an installation mechanism, a blocking mechanism and a ventilation mechanism;
the mounting mechanism comprises a working box and four supporting components, the four supporting components are respectively and fixedly connected with the working box and are all positioned at one side of the working box, the working box is provided with a ventilation opening, and the ventilation mechanism is fixedly connected with the working box and is positioned at the ventilation opening;
the separation mechanism comprises a sliding block, an observation window, a rack, a motor, a gear and a stop block, the working box further comprises a first sliding groove and a second sliding groove, one side of the sliding block is fixedly connected with the observation window and is located on one side of the observation window, the other side of the sliding block is connected with the working box in a sliding mode and is located in the first sliding groove, the rack is fixedly connected with the observation window and is located on one side of the sliding block, the motor is fixedly connected with the working box and is located on the inner side wall of the working box, the gear is fixedly connected with the output end of the motor, the gear is meshed with the rack, one side of the stop block is fixedly connected with the observation window and is located on one side of the rack, and the other side of the stop block is connected with the working box in a sliding mode and is located in the second sliding groove.
2. The biosafety cabinet according to claim 1,
the separation mechanism further comprises an outer barrel, a buffer spring and an inner barrel, the outer barrel is fixedly connected with the stop block and is located close to one side of the gear, the buffer spring is fixedly connected with the outer barrel and is located inside the outer barrel, and the inner barrel is fixedly connected with the buffer spring and penetrates through the outer barrel.
3. The biosafety cabinet according to claim 2,
the separation mechanism further comprises a limiting block, and the limiting block is fixedly connected with the inner barrel and is positioned inside the outer barrel.
4. The biosafety cabinet according to claim 3,
the blocking mechanism further comprises a cushion pad, and the cushion pad is fixedly connected with the inner barrel and is positioned on one side far away from the limiting block.
5. The biosafety cabinet according to claim 1,
the supporting assembly comprises supporting legs and universal wheels, the supporting legs are fixedly connected with the working box and are located on one side of the working box, and the universal wheels are fixedly connected with the supporting legs and are located on one side far away from the working box.
6. The biosafety cabinet according to claim 5,
the supporting component comprises a brake pad, the brake pad is connected with the universal wheel in a rotating mode and is located on the outer side wall of the universal wheel.
7. The biosafety cabinet according to claim 5,
the supporting assembly comprises an anti-skid ring, and the anti-skid ring is fixedly connected with the universal wheel and is positioned around the universal wheel.
8. The biosafety cabinet according to claim 1,
the ventilation mechanism comprises a valve and a ventilation assembly, the valve is fixedly connected with the working box and is positioned at the ventilation opening, and the ventilation assembly is fixedly connected with the working box and is positioned at the ventilation opening.
CN202122194279.XU 2021-09-11 2021-09-11 Biological safety cabinet Active CN216093717U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122194279.XU CN216093717U (en) 2021-09-11 2021-09-11 Biological safety cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122194279.XU CN216093717U (en) 2021-09-11 2021-09-11 Biological safety cabinet

Publications (1)

Publication Number Publication Date
CN216093717U true CN216093717U (en) 2022-03-22

Family

ID=80732961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122194279.XU Active CN216093717U (en) 2021-09-11 2021-09-11 Biological safety cabinet

Country Status (1)

Country Link
CN (1) CN216093717U (en)

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