CN215541089U

CN215541089U - Biological safety laboratory bench

Info

Publication number: CN215541089U
Application number: CN202121772143.6U
Authority: CN
Inventors: 吕颖
Original assignee: Tianjin Little Finger Purification Technology Co ltd
Current assignee: Tianjin Little Finger Purification Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-18
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a biological safety laboratory table, which comprises a laboratory table body and an operation room arranged on the laboratory table body, wherein a driving unit is arranged on the operation room and is connected with a closed front window, a lifting mechanism is arranged at the bottom of the laboratory table body, a base is connected to the bottom of the lifting mechanism, and the lifting mechanism is used for adjusting the use height of the laboratory table body; by adopting the lifting mechanism, the use height of the experiment table body can be adjusted according to the height of an experimenter, so that the comfort level of the experimenter during the experiment is improved, and the normal operation of the experiment is ensured; and through embedding work platform on the laboratory bench body, be convenient for dismantle and the installation to clean work platform, have better practicality.

Description

Biological safety laboratory bench

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a biological safety laboratory table.

Background

The experiment table body is used for carrying out experiment detection and storing instruments in units such as hospitals, schools, chemical plants, scientific research institutions and the like, and can be divided into a central table, a side table, a washing table, an instrument table, a chromatographic table, an operation table, a purification table, a physical table and the like according to functions; wherein the biological experiment table body is an experiment table body used for biology. For example, a new biological experiment table body is also disclosed in chinese patent with application date of 2018.05.30, publication number CN208407067U, and utility model name of "a experiment table body for biological experiment", but because the height of experimenters is different, the requirement for the use height of the experiment table body is different, so the existing experiment table body can not meet the height requirement of all people; and often prevent placing some comparatively important medicines on the laboratory bench body, when the laboratory staff is close to the laboratory bench body by accident, beat the medicine easily or bump bad laboratory glassware, have certain potential safety hazard, consequently the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to solve the problems in the prior art and provide a biological safety laboratory table.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a biological safety laboratory bench, includes the laboratory bench body and sets up the control chamber on the laboratory bench body, be provided with drive unit on the control chamber, drive unit is connected with a closed front window, the bottom of laboratory bench body is provided with elevating system, elevating system's bottom is connected with the base, elevating system is used for adjusting the use height of laboratory bench body.

Further, drive unit includes driving motor, drive assembly, lead screw, drive block and connecting rod, the top of control chamber is provided with places the chamber, driving motor sets up on placing the inner wall in chamber, the drive assembly input is connected in driving motor's output, and its output is connected with the input of lead screw, the both ends of lead screw are rotated respectively and are set up in the top of laboratory bench body with the control chamber, the drive block is supporting on locating the lead screw soon, the both ends of connecting rod are connected with drive block and sealed front window respectively.

Further, the driving units are arranged in two groups.

Furthermore, the lifting device comprises a first supporting rod, a first sliding block, a first sliding rail, a second supporting rod, a second sliding block, a second sliding rail, a rotating shaft and a driving air cylinder, two ends of the first supporting rod are respectively hinged to the experiment table body and the first sliding block, the first sliding block is connected to the sliding rail in a sliding mode, the first sliding rail is connected to the base, two ends of the second supporting rod are respectively hinged to the second sliding block and the base, the second sliding block is connected to the second sliding rail in a sliding mode, the second sliding rail is connected to the bottom of the experiment table body, the middle portions of the first supporting rod and the second supporting rod are respectively sleeved on the rotating shaft in a rotating mode, the driving air cylinder is hinged to the base, and the output end of a piston rod of the driving air cylinder is connected to the rotating shaft in a rotating mode.

Furthermore, a baffle is arranged on one side, close to the closed front window, of the experiment table body, a groove is formed between the baffle and the operation chamber, a working platform is embedded in the groove in a matched mode, and a lifting handle is arranged on the working platform.

Further, be provided with the drain pipe on the laboratory bench body, the water inlet and the recess of drain pipe are linked together, be provided with the stop valve on the drain pipe, the stop valve is used for controlling the disconnection and the opening of drain pipe.

Furthermore, an air supply channel is arranged on the inner top wall in the operation chamber, an air inlet of the air supply channel is provided with an air supply device, an air exhaust channel is arranged on the side wall of the operation chamber, and an air outlet of the air exhaust channel is provided with an air exhaust filtering device.

Furthermore, a waterproof socket, a water valve and an air valve are respectively arranged on the inner wall of the operation chamber.

Further, an illuminating device is arranged on the inner top wall of the operation chamber.

Further, a gas alarm device is arranged on the top wall in the operation chamber.

Furthermore, the bottom of the base is rectangular and is provided with a plurality of groups of rollers.

The utility model has the advantages and positive effects that: the utility model has simple structure and convenient use, and can open and close the operation room by matching the driving unit and the closed front window, thereby avoiding overturning experimental medicines or damaging experimental instruments when approaching the experiment table body; the use height of the experiment table body can be adjusted according to the height of an experimenter by using the lifting mechanism, so that the comfort level of the experimenter during the experiment is improved, and the normal operation of the experiment is ensured; the gas alarm device is arranged on the operation room, so that the gas environment in the operation room can be detected, an alarm can be given in time when harmful gas exists, experimenters can be reminded of evacuating in time, and a closed front window can be used for preventing gas from leaking; the air supply device and the exhaust filtering device arranged on the operation room can provide fresh air for the interior of the operation room, simultaneously can exhaust waste gas in the operation room, realize circulation of air, and filter the exhausted waste gas to avoid environmental pollution; through embedding work platform on the laboratory bench body, convenient dismantlement and installation are convenient for clean work platform, have better practicality.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of a driving unit;

FIG. 3 is a schematic structural view of the elevating mechanism;

fig. 4 is a block diagram showing electrical control relationships among the driving motor, the driving cylinder, the blowing device, the discharge air filtering device, the lighting device, and the gas alarm device and the controller.

In the figure: 1. a test bed body; 2. an operation chamber; 3. a drive unit; 31. a drive motor; 32. a transmission assembly; 33. a lead screw; 34. a drive block; 35. a connecting rod; 4. closing the front window; 5. a lifting mechanism; 51. a first support bar; 52. a first slider; 53. a first slide rail; 54. a first support bar; 55. a second slider; 56. a second slide rail; 57. a rotating shaft; 58. a driving cylinder; 6. a base; 7. a baffle plate; 8. a working platform; 9. lifting the handle; 10. an air supply channel; 11. an air supply device; 12. an air exhaust channel; 13. an exhaust air filtering device; 14. an illumination device; 15. a gas alarm device; 16. a drain pipe; 17. a stop valve; 18. and a roller.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the utility model.

As shown in fig. 1 and 4, a biological safety laboratory table comprises a laboratory table body 1 and an operation room 2 arranged on the laboratory table body 1, wherein a driving unit 3 is arranged on the operation room 2, the driving unit 3 is connected with a closed front window 4, a lifting mechanism 5 is arranged at the bottom of the laboratory table body 1, a base 6 is connected to the bottom of the lifting mechanism 5, the lifting mechanism 5 is used for adjusting the use height of the laboratory table body 1, the closed front window 4 is driven to move by the driving unit 3 to realize the opening or closing of the operation room 2 by the closed front window 4, medicines in the operation room 2 can be effectively protected, meanwhile, the gas in the operation room 2 can be prevented from leaking out, and the height of the laboratory table body 1 can be adjusted to adapt to the height of different experimenters by arranging the lifting mechanism 5 at the bottom of the laboratory table body 1, therefore, the practicability is better.

As shown in fig. 1 and 2, the driving unit 3 includes a driving motor 31, a transmission assembly 32, a lead screw 33, a driving block 34 and a connecting rod 35, a placing cavity is disposed at the top of the operating room 2, the driving motor 31 is disposed on the inner wall of the placing cavity, the input end of the transmission assembly 32 is connected to the output end of the driving motor 31, the output end of the transmission assembly is connected to the input end of the lead screw 33, two ends of the lead screw 33 are respectively rotatably disposed at the tops of the experiment table body 1 and the operating room 2, the driving block 34 is rotatably disposed on the lead screw 33, and two ends of the connecting rod 35 are respectively connected to the driving block 34 and the closed front window 4; the rotating driving motor 31 drives the screw rod 33 to rotate on the experiment table body 1 and the operation chamber 2 through the transmission assembly 32, and drives the driving block 34 which is rotatably matched on the screw rod 33 to ascend or descend, and the connecting rod 35 which is connected to the driving block 34 drives the closed front window 4 to ascend or descend so as to control the opening or closing of the operation chamber 2, and the driving units 3 are arranged into two groups so as to ensure that the closed front window 4 can stably ascend or descend during movement.

As shown in fig. 1 and 3, the lifting device includes a first supporting rod 51, a first sliding block 52, a first sliding rail 53, a second supporting rod 54, a second sliding block 55, a second sliding rail 56, a rotating shaft 57 and a driving cylinder 58, two ends of the first supporting rod 51 are respectively hinged to the experiment table body 1 and the first sliding block 52, the first sliding block 52 is slidably connected to the sliding rails, the first sliding rail 53 is connected to the base 6, two ends of the second supporting rod 54 are respectively hinged to the second sliding block 55 and the base 6, the second sliding block 55 is slidably connected to the second sliding rail 56, the second sliding rail 56 is connected to the bottom of the experiment table body 1, middle portions of the first supporting rod 51 and the second supporting rod 54 are respectively rotatably sleeved on the rotating shaft 57, the driving cylinder 58 is hinged to the base 6, an output end of a piston rod thereof is rotatably connected to the rotating shaft 57, the height of the experiment table body 1 is adjusted according to the height of an experimenter, the extension of a piston rod of the driving cylinder 58 is controlled to drive a rotating shaft 57 which is rotationally connected with the output end of the driving cylinder to move, so that the first supporting rod 51 and the second supporting rod 54 rotate along the rotating shaft 57, the hinged part between the first supporting rod 51 and the experiment table body 1 is close to the second sliding block 55, the hinged part between the second supporting rod 54 and the base 6 is close to the first sliding block 52, and the height of the experiment table body 1 is increased; on the contrary, the piston rod of the driving cylinder 58 is controlled to be shortened, the rotating shaft 57 drives the first supporting rod 51 and the second supporting rod 54 to rotate along the rotating shaft 57, the hinged part between the first supporting rod 51 and the experiment table body 1 is far away from the second sliding block 55, the hinged part between the second supporting rod 54 and the base 6 is far away from the first sliding block 52, the height of the experiment table body 1 is reduced, and the height adjustment of the experiment table body 1 is realized.

As shown in fig. 1, a baffle 7 is arranged on one side of the experiment table body 1 close to the closed front window 4, a groove is formed between the baffle 7 and the operation room 2, a working platform 8 is embedded in the groove in a matched manner, a lifting handle 9 is arranged on the working platform 8, and a groove is formed between the baffle 7 and the operation room 2, so that waste water generated in the experiment process is prevented from flowing to the region outside the experiment table body 1; be provided with drain pipe 16 on the laboratory bench body 1, the water inlet and the recess of drain pipe 16 are linked together, are provided with stop valve 17 on the drain pipe 16, and stop valve 17 is used for controlling the disconnection and the opening of drain pipe 16, when having waste water in the recess, opens stop valve 17, and waste water is via the outside of drain pipe 16 discharge laboratory bench body 1.

As shown in fig. 1, be provided with air supply channel 10 on the interior roof in control chamber 2, air supply channel 10's air intake is provided with air supply arrangement 11, be provided with air exhaust channel 12 on control chamber 2's the lateral wall, air outlet of air exhaust channel 12 is provided with exhaust filter equipment 13, utilize air supply arrangement 11 to provide the new trend to air supply channel 10 inside, and utilize exhaust filter equipment 13 to take out the waste gas in control chamber 2 and filter, in order to guarantee the circulation of air in control chamber 2, avoid the laboratory staff to be in under the more environment of waste gas and the health problem appears for a long time, improve operational environment's air quality.

As shown in fig. 1, the inner wall of the operation chamber 2 is also provided with a waterproof socket, a water valve and an air valve respectively, the waterproof socket is arranged on the inner wall of the operation chamber 2, so that power is conveniently provided for other experimental equipment, and the water valve and the air valve are arranged so that required gas and moisture can be conveniently provided in an experiment; an illuminating device 14 is arranged on the inner top wall of the operation chamber 2 and used for providing necessary light sources for the operation chamber 2; and a gas alarm device 15 is arranged on the top wall in the operation chamber 2 and used for detecting the gas environment in the operation chamber 2 so as to give an alarm in time to remind an operator.

As shown in figure 1, the bottom of the base 6 is rectangular and is provided with a plurality of groups of rollers 18, which is convenient for transferring and moving the utility model and improves the flexibility of the utility model.

In addition, bolts can be used for connecting between the experiment table body 1 and the operation room 2, between the driving motor 31 and the inner wall of the placing cavity, between the lighting device 14 and the operation room 2, between the base 6 and the roller 18, between the driving block 34 and the connecting rod 35, between the connecting rod 35 and the closed front window 4, between the first slide rail 53 and the base 6, between the second slide rail 56 and the experiment table body 1, between the gas alarm device 15 and the operation room 2, between the lifting handle 9 and the working platform 8, between the air supply device 11 and the operation room 2, and between the exhaust air filtering device 13 and the operation room 2; in addition, the transmission assembly 32 can adopt bevel gear transmission, the lead screw 33 can adopt a ball screw 33, and the closed front window 4 can adopt transparent materials such as glass, a acrylic plate and the like so as to observe the inside of the operation chamber 2; the concrete structures and working principles of the experiment table body 1, the operation driving motor 31, the driving air cylinder 58, the air supply device 11, the exhaust air filtering device 13, the lighting device 14, the gas alarm device 15 and the stop valve 17 belong to the prior art in the technical field, and the utility model does not improve the structure; wherein the electrical control relationship, the electrical connection mode and the electrical connection principle among the driving motor 31, the driving cylinder 58, the air supply device 11, the exhaust filtering device 13, the lighting device 14, the gas alarming device 15 and the controller all belong to the prior art in the technical field, and the application does not improve the same, so the details are not repeated.

The utility model has simple structure and convenient use, and can open and close the operation room 2 by matching the driving unit 3 and the closed front window 4, thereby avoiding overturning experimental medicines or damaging experimental instruments when approaching the experiment table body 1; the lifting mechanism 5 is utilized to adjust the use height of the experiment table body 1 according to the height of an experimenter, so that the comfort level of the experimenter during the experiment is improved, and the normal operation of the experiment is ensured; the gas alarm device 15 is arranged on the operation room 2, so that the gas environment in the operation room 2 can be detected, an alarm can be given in time when harmful gas exists, experimenters can be reminded to evacuate in time, and the closed front window 4 can be used for preventing the gas from leaking; by utilizing the air supply device 11 and the exhaust filtering device 13 arranged on the operation chamber 2, fresh air can be provided for the interior of the operation chamber 2, meanwhile, waste gas in the operation chamber 2 can be discharged, the circulation of air is realized, and the discharged waste gas is filtered, so that the environment pollution is avoided; through embedding the working platform 8 on the experiment table body 1, the disassembly and the assembly are convenient, the working platform 8 is convenient to clean, and the experiment table has better practicability, and the specific working process of the utility model is as follows:

when the utility model is used, the controller controls the driving unit 3 to work, so that the driving motor 31 in the driving unit 3 drives the screw rod 33 to rotate through the transmission assembly 32, so that the screw rod 33 drives the driving block 34 to ascend, and the connecting rod 35 drives the closed front window 4 to ascend, so that the operation chamber 2 is in an open state; in the using process, the gas alarm device 15 is used for monitoring the gas environment in the operation room 2, when harmful substances are detected in the operation room 2, the gas alarm device 15 feeds signals back to the controller and gives an alarm to prompt experimenters beside the experiment table body 1 to process in time, the controller opens the air supply device 11 and the exhaust filtering device 13, the air supply device 11 provides fresh air for the operation room 2, the exhaust filtering device 13 filters the gas in the operation room and discharges the filtered gas to a designated area, after the experiment is finished, the driving motor 31 is controlled to rotate reversely, the driving assembly 32 drives the screw 33 to rotate reversely, so that the screw 33 drives the driving block 34 to descend, and the connecting rod 35 drives the closed front window 4 to descend until the closed front window 4 closes the operation room 2 again;

when the working platform 8 needs to be cleaned, the lifting handle 9 is held and the working platform 8 is taken out of the groove, so that the working platform 8 can be cleaned conveniently, meanwhile, the drain valve on the drain pipe 16 is opened, the waste in the groove is drained through the drain valve, the outflow of waste water is avoided, and the cleanliness of the experiment table body 1 is ensured;

when the height of the experiment table body 1 needs to be adjusted, the height of the experiment table body 1 is adjusted according to the rising of a user, a piston rod of a driving air cylinder 58 is controlled to extend to drive a rotating shaft 57 which is rotationally connected with the output end of the driving air cylinder to move, so that a first supporting rod 51 and a second supporting rod 54 rotate along the rotating shaft 57, a hinged part between the first supporting rod 51 and the experiment table body 1 is close to a second sliding block 55, and a hinged part between the second supporting rod 54 and the base 6 is close to a first sliding block 52, so that the height of the experiment table body 1 is increased; on the contrary, the piston rod of the driving cylinder 58 is controlled to be shortened, and the rotating shaft 57 drives the first supporting rod 51 and the second supporting rod 54 to rotate along the rotating shaft 57, so that the hinge joint between the first supporting rod 51 and the experiment table body 1 is far away from the second slider 55, the hinge joint between the second supporting rod 54 and the base 6 is far away from the first slider 52, the height of the experiment table body 1 is reduced, and the height of the experiment table body 1 is further adjusted.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a biological safety laboratory bench, includes laboratory bench body (1) and sets up control chamber (2) on laboratory bench body (1), its characterized in that: the experiment table is characterized in that a driving unit (3) is arranged on the operating room (2), the driving unit (3) is connected with a closed front window (4), a lifting mechanism (5) is arranged at the bottom of the experiment table body (1), a base (6) is connected to the bottom of the lifting mechanism (5), and the lifting mechanism (5) is used for adjusting the using height of the experiment table body (1).

2. A biosafety laboratory bench according to claim 1, wherein: drive unit (3) include driving motor (31), drive assembly (32), lead screw (33), drive block (34) and connecting rod (35), the top of control chamber (2) is provided with places the chamber, driving motor (31) set up on placing the inner wall in chamber, drive assembly (32) input is connected in the output of driving motor (31), and its output is connected with the input of lead screw (33), the both ends of lead screw (33) rotate respectively and set up in the top of laboratory bench body (1) and control chamber (2), drive block (34) are supporting soon and are located on lead screw (33), the both ends of connecting rod (35) are connected with drive block (34) and closed front window (4) respectively.

3. A biosafety laboratory bench according to claim 2, wherein: the driving units (3) are arranged in two groups.

4. A biosafety laboratory bench according to claim 1, wherein: the lifting mechanism comprises a first supporting rod (51), a first sliding block (52), a first sliding rail (53), a second supporting rod (54), a second sliding block (55), a second sliding rail (56), a rotating shaft (57) and a driving cylinder (58), two ends of the first supporting rod (51) are respectively hinged to the experiment table body (1) and the first sliding block (52), the first sliding block (52) is connected to the first sliding rail (53) in a sliding manner, the first sliding rail (53) is connected to the base (6), two ends of the second supporting rod (54) are respectively hinged to the second sliding block (55) and the base (6), the second sliding block (55) is connected to the second sliding rail (56) in a sliding manner, the second sliding rail (56) is connected to the bottom of the experiment table body (1), the middle parts of the first supporting rod (51) and the second supporting rod (54) are both rotatably sleeved on the rotating shaft (57), the driving cylinder (58) is hinged on the base (6), and the output end of a piston rod of the driving cylinder is rotatably connected to the rotating shaft (57).

5. A biosafety laboratory bench according to claim 1, wherein: one side that laboratory bench body (1) is close to closed front window (4) is provided with baffle (7), form a recess between baffle (7) and control chamber (2), the cooperation is inlayed in the recess and is equipped with work platform (8), be provided with on work platform (8) and carry handle (9).

6. A biosafety laboratory bench according to claim 1, wherein: an air supply channel (10) is arranged at the top in the operation room (2), an air inlet of the air supply channel (10) is provided with an air supply device (11), an air exhaust channel (12) is arranged on the side wall of the operation room (2), and an air outlet of the air exhaust channel (12) is provided with an air exhaust filtering device (13).

7. A biosafety laboratory bench according to claim 1, wherein: and the inner wall of the operation chamber (2) is also provided with a waterproof socket, a water valve and an air valve respectively.

8. A biosafety laboratory bench according to claim 1, wherein: and a lighting device (14) is arranged on the inner top wall of the operation chamber (2).

9. A biosafety laboratory bench according to claim 1, wherein: and a gas alarm device (15) is arranged on the inner top wall of the operation chamber (2).

10. A biosafety laboratory bench according to claim 1, wherein: the bottom of the base (6) is rectangular and is provided with a plurality of groups of rollers (18).