CN220405662U

CN220405662U - Biological safety cabinet

Info

Publication number: CN220405662U
Application number: CN202321196147.3U
Authority: CN
Inventors: 杨涛; 秦丽娜
Original assignee: Dalian Ruida Pharmaceutical Co ltd
Current assignee: Dalian Ruida Pharmaceutical Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2024-01-30
Anticipated expiration: 2033-05-17

Abstract

The utility model belongs to the technical field of biosafety cabinets, in particular to a biosafety cabinet, which comprises a safety cabinet body; through positioning mechanism's setting, after moving the place that needs with the safety cabinet body through the universal wheel, can start the motor, the motor drives first gear and rotates, and first gear and second gear engagement are connected, then the second gear drives the lead screw and rotates, and lead screw and screw hole threaded connection, then follow the rotation of lead screw, the lead screw drives the bottom plate and rises, then the bottom plate drives the universal wheel and shrink into accomodate in the inslot, until the bottom and the ground contact of backup pad, be the fixed state this moment, and be minimum use height, if want height-adjusting, can start the motor again, make the lead screw rotate, then make the lead screw drive the safety cabinet body rise gradually, until rising to suitable height, combine high adjusting structure and removal location structure as an organic whole.

Description

Biological safety cabinet

Technical Field

The utility model relates to the technical field of biosafety cabinets, 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 dissipation of certain dangerous or unknown biological particles in the experimental operation treatment process, is mainly used for scientific research and clinical experiments in the fields of biomedicine, genetic engineering and the like, and is the most basic safety protection equipment in the biological experiments.

The current biosafety cabinet is generally composed of a cabinet body, a hydraulic telescopic rod, a supporting plate, universal wheels arranged at the bottom of the cabinet body and the like, namely, the biosafety cabinet is convenient to drive to move through the arrangement of the universal wheels, and the hydraulic telescopic rod is started to drive the supporting plate to descend to be in contact with the ground so as to limit the universal wheels.

The existing biosafety cabinet is required to be moved, and meanwhile, a height adjusting structure is arranged at the bottom of the biosafety cabinet according to the height of an operator, and the height adjusting mechanism and the moving and positioning structure of the biosafety cabinet are usually arranged into two parts, so that the connectivity is insufficient; therefore, a biosafety cabinet is proposed to address the above problems.

Disclosure of Invention

In order to make up the defects of the prior art, the prior biosafety cabinet is required to be moved, and meanwhile, a height adjusting structure is arranged at the bottom of the biosafety cabinet according to the height of an operator, and the height adjusting mechanism and the moving and positioning structure of the biosafety cabinet are usually arranged into two parts, so that the problem of insufficient linkage is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a biological safety cabinet, which comprises a safety cabinet body; positioning holes are formed in the periphery of the bottom of the safety cabinet body, a supporting rod is slidably arranged in the positioning holes, the bottom end of the supporting rod extends out of the positioning holes and is fixedly provided with a supporting plate, a motor is fixedly arranged at the bottom of the safety cabinet body, and a first gear is fixedly connected with the output end of the motor;

the utility model discloses a safety cabinet, including the backup pad, be provided with adjustment mechanism in the backup pad, adjustment mechanism is including seting up the storage tank in the backup pad bottom, the bottom plate of sliding connection is installed to the storage tank, the screw hole that is linked together with the storage tank is seted up at the top of backup pad, threaded connection's lead screw is installed to the screw hole, the bottom of lead screw extends the screw hole and rotates with the top of bottom plate and be connected, the top of lead screw extends the screw hole and rotates with the bottom of safety cabinet body to be connected, fixed connection's second gear is installed on the top of lead screw outer wall, the second gear is connected with first gear engagement, the universal wheel of rotating the connection is installed to the bottom of bottom plate.

Preferably, the bottom of backup pad is provided with the non-slip raised, be provided with the brake block in the universal wheel.

Preferably, a handle is fixedly arranged on one side surface of the supporting plate, and anti-skid patterns are arranged on the outer wall of the handle.

Preferably, a hanging ring is fixedly arranged on one side surface of the supporting plate, and a rubber pad is arranged on the outer wall of the hanging ring.

Preferably, the top of backup pad fixed mounting has the protection piece, the top of protection piece is provided with the blotter.

Preferably, both sides of the inner wall of the storage groove are provided with sliding grooves, sliding blocks are slidably arranged in the sliding grooves, and one ends of the sliding blocks extend out of the sliding grooves and are fixedly connected with one side surface of the bottom plate.

The utility model has the advantages that:

according to the utility model, through the arrangement of the positioning mechanism, after the safety cabinet body is moved to a required place through the universal wheel, the motor can be started, the motor drives the first gear to rotate, the first gear is meshed with the second gear to be connected, then the second gear drives the screw rod to rotate, the screw rod is in threaded connection with the threaded hole, then the screw rod drives the bottom plate to ascend along with the rotation of the screw rod, then the bottom plate drives the universal wheel to ascend, then the bottom plate drives the universal wheel to retract into the storage groove until the bottom of the supporting plate is in contact with the ground, the biological safety cabinet is in a fixed state at the moment and is at the lowest use height, if the height is required to be adjusted, the motor can be started again to rotate the screw rod, then the screw rod drives the safety cabinet body to ascend gradually until the screw rod ascends to a proper height, and the height adjusting structure and the movable positioning structure are combined into a whole.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the safety cabinet body of the present utility model;

FIG. 3 is a schematic view of the structure of the support plate of the present utility model;

FIG. 4 is a schematic cross-sectional view of FIG. 3 according to the present utility model;

fig. 5 is a schematic diagram of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a safety cabinet body; 2. positioning holes; 3. a support rod; 4. a support plate; 5. a motor; 6. a first gear; 7. an adjusting mechanism; 71. a storage groove; 72. a bottom plate; 73. a threaded hole; 74. a screw rod; 75. a second gear; 76. a universal wheel; 8. a handle; 9. hanging rings; 10. a protective block; 11. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a biosafety cabinet includes a cabinet body 1; positioning holes 2 are formed in the periphery of the bottom of the safety cabinet body 1, a supporting rod 3 is slidably installed in the positioning holes 2, the bottom end of the supporting rod 3 extends out of the positioning holes 2 and is fixedly provided with a supporting plate 4, a motor 5 is fixedly installed at the bottom of the safety cabinet body 1, and a first gear 6 is fixedly connected with the output end of the motor 5;

the adjusting mechanism 7 is arranged on the supporting plate 4, the adjusting mechanism 7 comprises a containing groove 71 arranged at the bottom of the supporting plate 4, a bottom plate 72 in sliding connection is arranged in the containing groove 71, a threaded hole 73 communicated with the containing groove 71 is arranged at the top of the supporting plate 4, a screw rod 74 in threaded connection is arranged in the threaded hole 73, the bottom end of the screw rod 74 extends out of the threaded hole 73 and is rotationally connected with the top of the bottom plate 72, the top end of the screw rod 74 extends out of the threaded hole 73 and is rotationally connected with the bottom of the safety cabinet body 1, a second gear 75 in fixed connection is arranged at the top end of the outer wall of the screw rod 74, the second gear 75 is in meshed connection with the first gear 6, and a universal wheel 76 in rotational connection is arranged at the bottom of the bottom plate 72; during operation, because of current biosafety cabinet when needs remove, also need be according to operating personnel's height, set up high adjustment structure in biosafety cabinet bottom, and high adjustment mechanism 7 and biosafety cabinet's removal location structure usually set up to two parts, the linkage is not enough, so adopt this biosafety cabinet, specifically, through positioning mechanism's setting, after moving safety cabinet body 1 to the place that needs through universal wheel 76, can start motor 5, motor 5 drives first gear 6 rotation, and first gear 6 and second gear 75 meshing are connected, then second gear 75 drives lead screw 74 rotation, and lead screw 74 and screw hole 73 threaded connection, then accompany the rotation of lead screw 74, lead screw 74 drives bottom plate 72 and rises, then bottom plate 72 drives universal wheel 76 shrink-in storage tank 71, until the bottom and the ground contact of backup pad 4, this moment be the fixed state, and be minimum use height, if need adjust the height, can start motor 5 again, make lead screw 74 rotate, make body 74 drive safety cabinet 1 and rise to suitable for the height is not needed at the time of the height that the biosafety cabinet, thereby the motion structure is not needed, the step is usually, the motion is realized, the step is not is realized, high to the height is required to be adjusted to the height of the side of the biosafety cabinet, and the structure is moved, the step is usually, the height is required to be moved, the height is easy to be moved, and is high to the structure is moved, the height is required to the height is easy to the height is moved, and is required to the height is compared.

The bottom of the supporting plate 4 is provided with a non-slip bulge, and the universal wheel 76 is internally provided with a brake pad; in operation, the bottom of the support plate 4 is provided with a non-slip protrusion to enhance the friction between the bottom of the support plate 4 and the ground, and the universal wheel 76 is provided with a brake pad.

A handle 8 is fixedly arranged on one side surface of the supporting plate 4, and anti-skid patterns are arranged on the outer wall of the handle 8; during operation, through the setting of handle 8, can drive backup pad 4 through pulling handle 8 and remove, drive safety cabinet body 1 then and remove.

A hanging ring 9 is fixedly arranged on one side surface of the supporting plate 4, and a rubber pad is arranged on the outer wall of the hanging ring 9; in operation, the data belt or the garbage bag can be hung by the hanging ring 9.

The top of the supporting plate 4 is fixedly provided with a protection block 10, and the top of the protection block 10 is provided with a buffer cushion; during operation, through the setting of protection piece 10, but crashproof prevents motor 5 sudden damage promptly for motor 5 carries out the sudden failure when spacing rotation to second gear 75 through first gear 6, causes safety cabinet body 1 to drop suddenly then, makes motor 5 and first gear 6 appear further damage.

Both sides of the inner wall of the accommodating groove 71 are provided with sliding grooves 11, sliding blocks are slidably arranged in the sliding grooves 11, and one ends of the sliding blocks extend out of the sliding grooves 11 and are fixedly connected with one side surface of the bottom plate 72; during operation, through the setting and the cooperation of spout 11 and sliding block, be convenient for carry out further location and spacing to the bottom of bottom plate 72, avoid the bottom to remove the in-process and appear the skew.

According to the working principle, after the safety cabinet body 1 is moved to a required place through the universal wheel 76, the motor 5 can be started, the motor 5 drives the first gear 6 to rotate, the first gear 6 is meshed with the second gear 75, then the second gear 75 drives the screw rod 74 to rotate, the screw rod 74 is in threaded connection with the threaded hole 73, then the screw rod 74 drives the bottom plate 72 to ascend, then the bottom plate 72 drives the universal wheel 76 to retract into the accommodating groove 71 until the bottom of the supporting plate 4 is in contact with the ground, the safety cabinet is in a fixed state at the moment and is at the lowest using height, if the height is to be adjusted, the motor 5 can be started again, the screw rod 74 rotates, then the screw rod 74 drives the safety cabinet body 1 to gradually ascend until the screw rod is ascended to a proper height, the height adjusting structure and the movable positioning structure are combined into a whole, the cost is saved, and the operation steps are simplified.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A biosafety cabinet, comprising a safety cabinet body (1); the safety cabinet is characterized in that positioning holes (2) are formed in the periphery of the bottom of the safety cabinet body (1), a supporting rod (3) is slidably installed in the positioning holes (2), the bottom end of the supporting rod (3) extends out of the positioning holes (2) and is fixedly provided with a supporting plate (4), a motor (5) is fixedly installed at the bottom of the safety cabinet body (1), and a first gear (6) which is fixedly connected is installed at the output end of the motor (5);

the utility model discloses a safety cabinet, including backup pad (4) and bottom plate (72), be provided with adjustment mechanism (7) on backup pad (4), adjustment mechanism (7) are including seting up accomodating groove (71) in backup pad (4) bottom, accomodate groove (71) in install sliding connection's bottom plate (72), screw hole (73) that are linked together with accomodating groove (71) are seted up at the top of backup pad (4), install threaded connection's lead screw (74) in screw hole (73), the bottom of lead screw (74) extends screw hole (73) and rotates with the top of bottom plate (72) to be connected, the top of lead screw (74) extends screw hole (73) and rotates with the bottom of safety cabinet body (1) to be connected, fixed connection's second gear (75) are installed on the top of lead screw (74) outer wall, second gear (75) are connected with first gear (6) meshing, universal wheel (76) of rotating connection are installed to the bottom of bottom plate (72).

2. A biosafety cabinet according to claim 1, wherein: the bottom of backup pad (4) is provided with the non-slip bulge, be provided with the brake block in universal wheel (76).

3. A biosafety cabinet according to claim 1, wherein: a handle (8) is fixedly arranged on one side surface of the supporting plate (4), and anti-skid patterns are arranged on the outer wall of the handle (8).

4. A biosafety cabinet according to claim 1, wherein: a hanging ring (9) is fixedly arranged on one side surface of the supporting plate (4), and a rubber pad is arranged on the outer wall of the hanging ring (9).

5. A biosafety cabinet according to claim 1, wherein: the top of backup pad (4) fixed mounting has protection piece (10), the top of protection piece (10) is provided with the blotter.

6. A biosafety cabinet according to claim 1, wherein: the two sides of the inner wall of the storage groove (71) are provided with sliding grooves (11), sliding blocks are arranged in the sliding grooves (11) in a sliding mode, and one ends of the sliding blocks extend out of the sliding grooves (11) and are fixedly connected with one side face of the bottom plate (72).