CN212167466U - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
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- CN212167466U CN212167466U CN202020206694.5U CN202020206694U CN212167466U CN 212167466 U CN212167466 U CN 212167466U CN 202020206694 U CN202020206694 U CN 202020206694U CN 212167466 U CN212167466 U CN 212167466U
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- glass door
- cabinet body
- wheel
- cabinet
- driving motor
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Abstract
The utility model discloses a biological safety cabinet, the internal operating area that is formed with of cabinet, cabinet body front side set up the glass door, and the glass door shifts up to open the operating area, move down and close the operating area, and cabinet body rear side sets up counter weight portion, is equipped with the hold-in range between glass door and the counter weight portion, hold-in range and synchronizing wheel meshing, and the pivot of synchronizing wheel is connected with driving motor's power take off end. When electricity is supplied, the driving motor drives the synchronous wheel to rotate, the synchronous wheel drives the synchronous belt to move, and the glass door moves up or down under the driving of the synchronous belt. When the power is cut off, the driving motor can not work normally, and due to the action of the matching part, the movement of the glass door can be realized by applying smaller upward or downward force to the glass door by hands. This biological safety cabinet can both realize the normal opening or closing of glass door under the circular telegram and the outage condition, has improved biological safety cabinet's safety in utilization.
Description
Technical Field
The utility model relates to a biological safety cabinet technical field especially relates to a can manually open or close biological safety cabinet of glass door under the outage condition.
Background
An operation area is formed in the cabinet body of the biological safety cabinet, the operation area provides a clean space for experimental operation, a movable glass door is generally arranged on the front side of the cabinet body, and when an operator needs to perform experimental operation in the operation area, the glass door moves upwards so as to facilitate the operation of the operator in the operation area; when operating personnel need not carry out the experiment operation in the operation area, the glass door moves down in order to seal the operation area, avoids microorganism such as bacterium to get into the operation area, influences clean space's cleanliness factor, causes biological potential safety hazard.
In the prior art, once the power failure occurs to the electric glass door, the glass door is heavy to 10-20KG, so that the glass door is difficult to normally open or close by the force of human hands, and the normal use of the biological safety cabinet is influenced.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
In view of this, the utility model discloses a biological safety cabinet under the outage condition, can easily through the normal opening or closing of manual form with the glass door, improves biological safety cabinet's safety in utilization.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a biological safety cabinet, include: a cabinet body having an operation region formed therein; further comprising: the glass door is arranged on the front side of the cabinet body, and moves upwards relative to the operation area to open the operation area or moves downwards relative to the operation area to close the operation area; a counterweight part arranged at the rear side of the cabinet body; one end of the synchronous belt is connected with the glass door, and the other end of the synchronous belt is connected with the counterweight part; a timing wheel engaged with the timing belt; and a power output shaft of the driving motor is connected with the synchronizing wheel and drives the synchronizing wheel to rotate.
Further, the synchronous belt is an arc tooth synchronous belt.
Further, the synchronizing wheel with driving motor all locates the top of the cabinet body.
Further, the top of the cabinet body is also provided with a guide wheel, and the synchronous belt is in sliding contact with the guide wheel.
Furthermore, the synchronizing wheel is arranged on one side, close to the counterweight part, of the top of the cabinet body, and the guide wheel is arranged on one side, close to the glass door, of the top of the cabinet body.
Further, a tensioning wheel is arranged between the synchronizing wheel and the guide wheel, and the tensioning wheel tensions the synchronizing belt.
Furthermore, the two synchronous wheels and the two synchronous belts are respectively arranged on the left side and the right side of the top of the cabinet body; the driving motor is a double-shaft output motor, and two power output ends of the driving motor are respectively connected with the synchronizing wheel.
Furthermore, the back of the cabinet body is provided with a slideway part along the height direction of the cabinet body, and the left side and the right side of the counterweight part are respectively connected with the slideway part in a sliding manner.
Further, the weight part has the same weight as the glass door.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the utility model discloses a biological safety cabinet's cabinet body front side sets up glass door, and cabinet body rear side sets up counter weight portion, is equipped with the hold-in range between glass door and the counter weight portion, and the hold-in range meshes with the synchronizing wheel, and the pivot of synchronizing wheel is connected with driving motor's power take off end. When electricity exists, the driving motor drives the synchronizing wheel to rotate, the synchronizing wheel drives the synchronizing belt to move, the glass door moves up or down under the driving of the synchronizing belt, and the counterweight part can offset part of the weight of the glass door, so that the driving motor can drive the glass door to move with smaller force, and the energy consumption is saved. When the power is cut off, the driving motor can not work normally, and similarly, because the counterweight part can offset a part of the weight of the glass door, the movement of the glass door can be caused by applying a small upward or downward force to the glass door by hands, and the counterweight part moves towards the direction opposite to the movement direction of the glass door under the action of the synchronous belt and the synchronous wheel. This biological safety cabinet can both realize the normal opening or closing of glass door under the circular telegram and the outage condition, has improved biological safety cabinet's safety in utilization.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of an embodiment of the biosafety cabinet of the present invention, as viewed from the rear side;
FIG. 2 is a schematic structural view of an embodiment of the biosafety cabinet of the present invention, viewed from the front side;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is a schematic view of the meshing structure between the synchronous wheel and the synchronous belt in fig. 1.
Reference numerals:
10-cabinet body, 11-operation area, 12-slideway part;
20-a glass door;
30-a counterweight;
40-a synchronous belt;
50-a synchronizing wheel;
60-a guide wheel;
70-a tension wheel;
80-driving the motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The utility model discloses a biological safety cabinet, refer to fig. 1 and fig. 2, wherein fig. 1 is the schematic structure view who observes from biological safety cabinet's rear side, and fig. 2 is the schematic structure view who observes from biological safety cabinet's front side.
The biological safety cabinet comprises a cabinet body 10, an operation area 11 is formed inside the cabinet body 10, and the operation area 11 provides a clean space for experiment operation.
The glass door 20 is arranged on the front side of the cabinet body 10, and when an operator needs to perform experiment operation in the operation area 11, the glass door 20 moves upwards to open the operation area 11; when the operator does not need to perform the experiment in the operation area 11, the glass door 20 moves downwards to close the operation area.
The rear side of the cabinet body 10 is provided with a counterweight portion 30, and the counterweight portion 30 is used for offsetting all or part of the weight of the glass door 20, so that the glass door 20 can move up or down under the action of small external force, the operation is convenient, and the reduction of energy consumption is facilitated.
A synchronous belt 40 is arranged between the glass door 20 and the counterweight part 30, the synchronous belt 40 is meshed with a synchronous wheel 50, the synchronous wheel 50 is connected with the power output end of the driving motor 80, and the synchronous wheel 50 rotates under the driving of the driving motor 80.
When electricity exists, the driving motor 80 drives the synchronizing wheel 50 to rotate, the synchronizing wheel 50 drives the synchronizing belt 40 to move, the glass door 20 moves up or down under the driving of the synchronizing belt 40, and the counterweight part 30 can offset part of the weight of the glass door 20, so that the driving motor 80 can drive the glass door 20 to move with small force, and the energy consumption is saved.
When the power is cut off, the driving motor 80 cannot work normally, and also because the weight part 30 can offset a part of the weight of the glass door 20, the glass door 20 can be moved by applying a small upward or downward force to the glass door 20 by a human hand, and the weight part 30 moves in the direction opposite to the moving direction of the glass door 20 under the action of the timing belt 40 and the timing wheel 50.
Under the power-on and power-off conditions, the biological safety cabinet can realize the normal opening or closing of the glass door 20, and the use safety of the biological safety cabinet is improved.
In this embodiment, the weight portion 30 has the same weight as the glass door 20, and the weight portion 30 also helps to stop the glass door 20 at a specific position when the weight portion has a function of saving force.
In other embodiments, there is a weight difference between the weight 30 and the glass door 20, and at this time, a stop structure (not shown) for stopping the glass door 20 is disposed on the front side of the cabinet 10, for example, a protrusion structure is disposed on the front side of the cabinet 10, a groove structure is correspondingly disposed on the glass door 20, and the glass door 20 is stopped by the fit between the protrusion and the groove.
The cabinet body 10 is preferably provided at a front side thereof with a slide rail structure (not shown), in which the left and right sides of the glass door 20 are slidably disposed, so that the up-and-down movement of the glass door 20 is more stable.
In this embodiment, the counterweight 30 is a flat plate structure, and referring to fig. 1 and 3, the back of the cabinet 10 is provided with the slideway 12 along the height direction of the cabinet 10, the left and right sides of the counterweight 30 are respectively connected with the slideway 12 in a sliding manner, so that the vertical movement of the counterweight 30 is more stable,
as a preferred embodiment, the synchronous belt 40 is an arc tooth synchronous belt, and referring to fig. 4, the schematic diagram of the engagement structure between the synchronous belt 40 and the synchronous wheel 50, the arc tooth synchronous belt can achieve a better synchronization effect.
As a preferred embodiment, the synchronizing wheel 50 and the driving motor 80 are both disposed at the top of the cabinet body 10, so that the overall appearance and the occupied volume of the biosafety cabinet are not affected, and the installation and maintenance are convenient.
Further, the top of the cabinet body 10 is further provided with a guide wheel 60, the synchronous belt 40 is in sliding contact with the guide wheel 60, and the guide wheel 60 enables the transmission effect of the synchronous belt 40 to be more reliable and stable.
Further, synchronizing wheel 50 is located the one side that the top of the cabinet body 10 is close to counter weight portion 30, and leading wheel 60 is located the one side that the top of the cabinet body 10 is close to glass door 20, sets up synchronizing wheel 50 and leading wheel 60 in the corner of the top of the cabinet body 10 and front side, cabinet body 10 top and rear side, and the drive effect of the hold-in range 40 of being convenient for more makes the motion of glass door 20 and counter weight portion 30 more smooth and steady.
Further, a tension wheel 70 is further arranged between the synchronizing wheel 50 and the guide wheel 60, the tension wheel 70 is fixedly arranged at the top of the cabinet body 10, and the tension wheel 70 tensions the synchronizing belt 40, so that the synchronizing transmission effect of the synchronizing belt 40 is more reliable.
As a preferred embodiment, referring to fig. 1, two synchronizing wheels 50, two synchronizing belts 40, two guide wheels 60, and two tension wheels 70 are respectively disposed on the left and right sides of the top of the cabinet 10; correspondingly, the driving motor 80 is a dual-shaft output motor, and two power output ends of the driving motor 80 are respectively connected with the synchronizing wheel 50. Thus, the glass door 20 and the weight part 30 move more smoothly and avoid inclination by the two symmetrical timing belts 40.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A biosafety cabinet comprising:
a cabinet body having an operation region formed therein;
it is characterized by also comprising:
the glass door is arranged on the front side of the cabinet body, and moves upwards relative to the operation area to open the operation area or moves downwards relative to the operation area to close the operation area;
a counterweight part arranged at the rear side of the cabinet body;
one end of the synchronous belt is connected with the glass door, and the other end of the synchronous belt is connected with the counterweight part;
a timing wheel engaged with the timing belt;
and a power output shaft of the driving motor is connected with the synchronizing wheel and drives the synchronizing wheel to rotate.
2. The biosafety cabinet according to claim 1,
the synchronous belt is an arc tooth synchronous belt.
3. The biosafety cabinet according to claim 1,
the synchronizing wheel with driving motor all locates the top of the cabinet body.
4. The biosafety cabinet according to claim 3,
the top of the cabinet body is also provided with a guide wheel, and the synchronous belt is in sliding contact with the guide wheel.
5. The biosafety cabinet according to claim 4,
the synchronizing wheel is arranged at one side, close to the counterweight part, of the top of the cabinet body, and the guide wheel is arranged at one side, close to the glass door, of the top of the cabinet body.
6. The biosafety cabinet according to claim 4,
and a tensioning wheel is further arranged between the synchronizing wheel and the guide wheel, and the tensioning wheel is used for tensioning the synchronizing belt.
7. The biosafety cabinet according to any of claims 1 to 6,
the two synchronous wheels and the two synchronous belts are respectively arranged on the left side and the right side of the top of the cabinet body;
the driving motor is a double-shaft output motor, and two power output ends of the driving motor are respectively connected with the synchronizing wheel.
8. The biosafety cabinet according to any of claims 1 to 6,
the back of the cabinet body is followed the direction of height of the cabinet body is equipped with slide portion, the left and right sides of counter weight portion respectively with slide portion sliding connection.
9. The biosafety cabinet according to any of claims 1 to 6,
the weight part has the same weight as the glass door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206694.5U CN212167466U (en) | 2020-02-25 | 2020-02-25 | Biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206694.5U CN212167466U (en) | 2020-02-25 | 2020-02-25 | Biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212167466U true CN212167466U (en) | 2020-12-18 |
Family
ID=73773832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020206694.5U Active CN212167466U (en) | 2020-02-25 | 2020-02-25 | Biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212167466U (en) |
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2020
- 2020-02-25 CN CN202020206694.5U patent/CN212167466U/en active Active
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