CN221016096U

CN221016096U - Biological safety cabinet

Info

Publication number: CN221016096U
Application number: CN202322696501.5U
Authority: CN
Inventors: 刘晗; 李莉; 刘浩; 刘月兰; 王春燕
Original assignee: Shandong Taihong Biotechnology Development Co ltd
Current assignee: Shandong Taihong Biotechnology Development Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-28
Anticipated expiration: 2033-10-09

Abstract

The utility model discloses a biological safety cabinet, which comprises a safety cabinet main body, wherein an operation cabin is arranged on the front surface and the inside of the safety cabinet main body, two positioning rails which are parallel up and down are transversely fixed at the rear part of the inner side of the operation cabin, guide rods are suspended and fixed on the front surface of the positioning rails along the length direction of the positioning rails, two sliding blocks are arranged on each guide rod in a sliding manner, the upper sliding block and the lower sliding block are a group, clamping plates which are fixed on the front surface of each group of sliding blocks in a detachable manner and form a vertical angle with the positioning rails, and anti-skid pads are arranged on the opposite sides of the two clamping plates; through making both sides splint form elasticity centre gripping to household utensils under the cooperation of slider, guide bar, location rail and slipmat etc to make splint can be stable place the household utensils both sides under the powerful absorption of magnet piece and magnet piece, make splint have certain resistance when removing, can prevent effectively that household utensils from being knocked over under misoperation and lead to the problem of cabin pollution.

Description

Biological safety cabinet

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a biosafety cabinet.

Background

The biological safety cabinet is a box-type air purification negative pressure safety device capable of preventing aerosol from escaping from some dangerous or unknown biological particles in the experimental operation treatment process. The method is widely applied to scientific research, teaching, clinical examination and production in the fields of biomedicine (such as stem cell culture and regeneration), genetic engineering and the like, and is the most basic safety protection equipment in the primary protection barrier in laboratory biosafety. However, when the existing biosafety cabinet is used, the vessel placed in the biosafety cabinet cannot be fixed, and the biosafety cabinet is easy to turn over, so that the biosafety cabinet is polluted, and inconvenience is brought to use.

The Chinese bulletin number CN213943179U discloses a biosafety cabinet, which has the following beneficial effects: 1. the biological safety cabinet is provided with the threaded shaft control unit, the output shaft of the motor can rotate to drive the transmission gear to rotate by starting the motor, the driven gear can be driven to rotate by rotating the transmission gear, and the threaded shaft can be driven to rotate by rotating the driven gear; 2. the biological safety cabinet is provided with the supporting block and the electric push rod, the electric push rod is started, the electric push rod stretches or shortens under the action of the supporting block to drive the chute rod to move downwards or upwards, the chute rod moves downwards or upwards to drive the T-shaped block to move downwards or upwards, the T-shaped block moves downwards or upwards to drive the connecting rod to move downwards or upwards, and then the clamping block is controlled to move downwards or upwards; 3. the biosafety cabinet can fix the vessel placed in the biosafety cabinet when in use, so that the vessel is not easy to turn over, the biosafety cabinet is prevented from being polluted, and the biosafety cabinet is very convenient.

However, the device has the following disadvantages in practical use: 1. firstly, we know that the biological safety cabinet operation cabin is most important to keep clean and sanitary, and a large number of micro ravines and dead angles exist on the surfaces of structures such as a threaded shaft, a transmission gear, a driven gear, a nut sliding block, a sliding groove rod and the like in the device, so that the ravines and dead angles are easy to collect dust and dirt, and are inconvenient in cleaning operation and unfavorable for practical use. 2. The sliding block, the supporting rod and the clamping block in the device can only act on the middle position of the operation cabin when in use, and the clamp can not be correspondingly adjusted according to the actual placement position of the vessel, so that certain limitation and inconvenience exist in use; therefore, in view of the above-mentioned problems, it is necessary to design a cabin clamping and positioning structure which is relatively simple in structure, difficult to collect dirt, convenient to clean the surface of the cabin, and capable of flexibly adjusting the clamp according to the actual position of the vessel.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide a biosafety cabinet, which solves the problems that the prior art is necessary to design an operation cabin clamping and positioning structure which has a relatively simple structure, is difficult to store dirt and convenient to clean the surface of the biosafety cabinet, and can flexibly adjust a clamp according to the actual position of a vessel.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the biological safety cabinet comprises a safety cabinet main body, wherein an operation cabin is arranged on the front surface and the inside of the safety cabinet main body, two positioning rails which are parallel up and down are transversely fixed at the rear part of the inner side of the operation cabin, guide rods are suspended and fixed on the front surface of the positioning rails along the length direction of the positioning rails, two sliding blocks are arranged on each guide rod in a sliding manner, the upper sliding block and the lower sliding block are a group, clamping plates which are detachably fixed on the front surface of each sliding block and form a vertical angle with the positioning rails are arranged on the opposite sides of the two clamping plates, and anti-skid pads are arranged on the opposite sides of the two clamping plates;

the bottom of the clamping plate is suspended above the bottom of the operation cabin.

As a preferable scheme of the biosafety cabinet, the two ends of the front face of the positioning rail are also fixed with fixing blocks for positioning two ends of the guide rod, and the inner side of the sliding block is also provided with a positioning sliding hole which is matched with the guide rod in a sliding way.

As a preferable scheme of the biosafety cabinet, the anti-slip pad is made of silicon rubber, and a positioning groove for clamping the anti-slip pad is formed in one side of the clamping plate.

As a preferable scheme of the biosafety cabinet, the front surface of the positioning rail is internally and fixedly provided with a magnet strip along the length direction of the positioning rail, the back surface of the sliding block is internally and fixedly provided with a magnet block which is magnetically attracted with the magnet strip, and the magnet strip and the magnet block are not contacted with each other.

As a preferable scheme of the biosafety cabinet, the outer walls of the positioning rail, the sliding block, the clamping plate and the anti-skid pad are smooth structures.

Compared with the prior art, the utility model has the beneficial effects that: the biosafety cabinet can effectively prevent the defect of dirt and scale collection on the surface of the structure through the simple structure combination of the positioning rail, the sliding block, the clamping plate, the anti-slip pad and the like and the smooth surface design, and is beneficial to the rapid wiping and cleaning of the outer wall of the structure by workers; in addition, when in use, the clamping plate can be moved left and right according to the actual placement position of the vessel in the operation cabin, and can be stably placed at two sides of the vessel under the strong adsorption of the magnet blocks, so that the clamping plate has certain resistance when in movement, and the problem that the vessel is overturned under misoperation and causes pollution in the cabin can be effectively prevented.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the operation cabin of the present utility model;

FIG. 3 is an enlarged schematic view of the clamping structure of the present utility model;

FIG. 4 is a schematic view of the connection and mating structure of the slider and the positioning rail of the present utility model.

In the figure: 10. a safety cabinet main body; 11. an operation cabin; 20. positioning the rail; 21. a fixed block; 22. a magnet bar; 30. a guide rod; 40. a slide block; 40a, positioning slide holes; 41. a magnet block; 50. a clamping plate; 50a, positioning grooves; 51. an anti-slip mat.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 4 show the whole structure of a biosafety cabinet of the present utility model, please refer to fig. 1 to 4, the biosafety cabinet of the present embodiment includes a safety cabinet main body 10, the front and the inside of the safety cabinet main body 10 have an operation cabin 11, two positioning rails 20 parallel up and down are laterally fixed at the rear inside the operation cabin 11, a guide rod 30 is suspended and fixed at the front of the positioning rails 20 along the length direction thereof, two sliding blocks 40 are slidably arranged on each guide rod 30, the upper and lower corresponding sliding blocks 40 are a group, the front of each group of sliding blocks 40 is detachably fixed with clamping plates 50 which are perpendicular to the positioning rails 20, and anti-slip pads 51 are arranged at opposite sides of the two clamping plates 50; wherein the bottom of the clamping plate 50 is suspended above the bottom of the cabin 11.

The front both ends of location rail 20 still are fixed with the fixed block 21 that is used for locating guide bar 30 both ends, and the slider 40 inboard still has the location slide hole 40a that matches with guide bar 30 slip, and the outer wall of location rail 20, slider 40, splint 50 and slipmat 51 is smooth surface structure, and through upper and lower two guide bars 30 and the cooperation of corresponding slider 40 for splint 50 can follow the length direction steady movement of location rail 20, and the design of this kind of smooth surface is favorable to the staff to clear up fast to the structural member outer wall. Further, the anti-slip pad 51 is made of silicone rubber, and a positioning groove 50a for clamping the anti-slip pad 51 is further provided on one side of the clamping plate 50, and the anti-slip pad 51 can be conveniently detached and cleaned or replaced through the positioning groove 50a, which can, of course, also uniformly wipe and clean the clamping plate 50 and the anti-slip pad 51 in the operation cabin 11.

The magnet bars 22 are embedded and fixed on the front surface of the positioning rail 20 along the length direction of the positioning rail, the magnet blocks 41 which are magnetically attracted with the magnet bars 22 are embedded and fixed on the back surface of the sliding block 40, the magnet bars 22 and the magnet blocks 41 are not contacted with each other, when the positioning rail is used, the clamping plates 50 can be moved left and right according to the actual placement position of a vessel in the operation cabin 11, the clamping plates 50 on two sides form elastic clamping on the vessel under the matching of the sliding block 40, the guide rod 30, the positioning rail 20, the anti-skid pad 51 and the like, and the clamping plates 50 can be stably placed on two sides of the vessel under the strong adsorption of the magnet blocks 41 and the magnet blocks 41, so that the clamping plates 50 have certain resistance when moving, and the problem that the vessel is knocked over under misoperation and causes pollution in the cabin can be effectively prevented.

In summary, when the biosafety cabinet of the embodiment is used, the clamping plates 50 can be moved left and right according to the actual placement position of the vessel in the operation cabin 11, the clamping plates 50 on both sides form elastic clamping to the vessel under the cooperation of the sliding block 40, the guide rod 30, the positioning rail 20, the anti-slip pad 51 and the like, and the clamping plates 50 can be stably placed on both sides of the vessel under the strong adsorption of the magnet block 41 and the magnet block 41, so that the clamping plates 50 have certain resistance when moving, and the problem that the vessel is knocked over and causes pollution in the cabin under misoperation can be effectively prevented.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The biological safety cabinet is characterized by comprising a safety cabinet main body (10), wherein an operation cabin (11) is arranged on the front surface and the inside of the safety cabinet main body (10), two positioning rails (20) which are parallel up and down are transversely fixed at the rear part of the inner side of the operation cabin (11), guide rods (30) are suspended and fixed on the front surface of the positioning rails (20) along the length direction of the positioning rails, two sliding blocks (40) are slidably arranged on each guide rod (30), the upper sliding block and the lower sliding block (40) are in a group, clamping plates (50) which are detachably fixed on the front surface of each sliding block (40) and form a vertical angle with the positioning rails (20), and anti-skid pads (51) are arranged on the opposite sides of the two clamping plates (50);

Wherein the bottom of the clamping plate (50) is suspended above the bottom of the operation cabin (11).

2. A biosafety cabinet according to claim 1, wherein: the two ends of the front face of the positioning rail bar (20) are also fixed with fixed blocks (21) used for positioning two ends of the guide rod (30), and the inner side of the sliding block (40) is also provided with a positioning sliding hole (40 a) which is matched with the guide rod (30) in a sliding way.

3. A biosafety cabinet according to claim 1, wherein: the anti-slip pad (51) is made of silicon rubber, and a positioning groove (50 a) for clamping the anti-slip pad (51) is formed in one side of the clamping plate (50).

4. A biosafety cabinet according to claim 1, wherein: the front of the positioning rail (20) is embedded and fixed with a magnet bar (22) along the length direction of the positioning rail, the back of the sliding block (40) is embedded and fixed with a magnet block (41) which is magnetically attracted with the magnet bar (22), and the magnet bar (22) and the magnet block (41) are not contacted with each other.

5. A biosafety cabinet according to claim 1, wherein: the outer walls of the positioning rail (20), the sliding block (40), the clamping plate (50) and the anti-skid pad (51) are smooth structures.