CN214382714U - Novel biological safety cabinet - Google Patents

Abstract

The utility model discloses a novel biological safety cabinet, which belongs to the technical field of biological safety cabinets and specifically comprises a base, a biological safety cabinet body and a movable plate, wherein the biological safety cabinet body is positioned above the base, the movable plate is positioned below the base, a plurality of electric push rods are fixedly arranged below the base, the movable ends of the electric push rods are fixedly connected with the movable plate, a plurality of sleeves are arranged below the movable plate, movable columns are movably arranged in the sleeves, universal wheels with brakes are arranged below the movable columns through mounting plates, and first springs are fixedly connected between the movable plate and the mounting plates; the utility model discloses a movable plate, electric putter, universal wheel, sleeve, under the combined action of activity post and first spring, prevent that universal wheel and ground from contacting for a long time with ground to when avoiding the universal wheel to receive external force too big, the easy relative ground of biological safety cabinet slides, takes place the shake when avoiding biological safety cabinet to remove, thereby makes the infectious material in the biological safety cabinet take place to leak, sputter the circumstances such as.

Description

Novel biological safety cabinet

Technical Field

The utility model belongs to the technical field of the biological safety cabinet, concretely relates to novel biological safety cabinet.

Background

A biological safety cabinet (biological safety cabin BSC) is a box-type air purification negative pressure safety device capable of preventing aerosol from dissipating in some dangerous or unknown biological particles in the experimental operation and treatment process, is widely applied to scientific research, teaching, clinical examination and production in the fields of microbiology, biomedicine, genetic engineering, biological products and the like, and is the most basic safety protection equipment in a primary protection barrier in laboratory biological safety.

When the biological safety cabinet is used for operating infectious experimental materials such as primary cultures, bacterial strains, diagnostic specimens and the like, the adopted culture cabinet avoids testers from being infected by the infectious materials in the safety cabinet, but in the actual use process, the biological safety cabinet generally moves through the pulleys, but the contact area between the pulleys and the ground is limited, even if the pulleys can be self-locked, once the external force is too large, the biological safety cabinet can easily slide relative to the ground, and the situations of leakage, sputtering and the like of the infectious materials in the safety cabinet can occur during movement, so that the damping effect of the safety cabinet is relatively poor.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel biological safety cabinet has convenient removal, and the effectual characteristics of shock attenuation.

In order to achieve the above object, the utility model provides a following technical scheme: a novel biological safety cabinet comprises a biological safety cabinet body, a base and a movable plate, wherein the biological safety cabinet body is positioned above the base, the moving plate is positioned below the base, a plurality of electric push rods are fixedly arranged below the base, the movable end of the electric push rod is fixedly connected with the upper surface of the movable plate, four symmetrical supporting legs are arranged below the base, the inner sides of the supporting legs are provided with sliding grooves, the side edge of the movable plate is fixedly provided with a sliding block matched with the sliding grooves, a plurality of sleeves are arranged below the moving plate, inner cavities for the movable columns to move up and down are also arranged in the sleeves, the universal wheel that the below of activity post has the brake through the mounting panel installation, the first spring of fixedly connected with between the lower surface of movable plate and the mounting panel, and first spring housing establishes in the sleeve and the activity post outside.

Preferably, a limiting groove used for installing a limiting plate is formed in the base, the limiting groove is movably provided with the limiting plate, the limiting plate is movably arranged in the limiting groove, the upper surface of the limiting plate is connected with the side face of the biological safety cabinet body through an L-shaped plate, and the L-shaped plate is provided with a plurality of bolts.

Preferably, be equipped with a plurality of spacing section of thick bamboo between the bottom of spacing inslot and the limiting plate lower surface, and all offer the dead slot that is used for installing spacing post in the spacing section of thick bamboo, the top of spacing post and the lower fixed surface of movable plate are connected, the both sides of spacing section of thick bamboo still are equipped with damper.

Preferably, the damping mechanism comprises a sliding rod and a connecting rod, the sliding rod is fixedly installed in the limiting groove through an installation seat, a moving block is movably sleeved on the sliding rod, a second spring is fixedly installed between the outer side of the moving block and the inner side of the installation seat, the second spring is sleeved on the sliding rod, the bottom of the connecting rod is hinged to the top of the moving block, and the top of the connecting rod is hinged to the lower surface of the moving block.

Preferably, a plurality of fixing rods are fixedly connected among the four supporting legs.

Preferably, the bottom of the supporting leg is also provided with an anti-skid layer.

Preferably, the sliding groove is a convex sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a movable plate, electric putter, universal wheel, sleeve, under the combined action of activity post and first spring, can make the biological safety cabinet remove, but also can prevent the universal wheel and ground contact for a long time to avoid the universal wheel to receive external force when too big, the easy relative ground of biological safety cabinet slides, takes place the shake when avoiding the biological safety cabinet to remove, thereby makes the infectious material in the biological safety cabinet take place to leak, sputter the circumstances such as.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a right side view structural diagram of the present invention;

FIG. 3 is a schematic view of a partially enlarged view of the A-A of the present invention;

in the figure: 1. a biological safety cabinet body; 2. a base; 3. moving the plate; 4. an electric push rod; 5. supporting legs; 6. a chute; 7. a slider; 8. a sleeve; 9. a movable post; 10. mounting a plate; 11. a universal wheel; 12. a first spring; 13. a limiting plate; 14. a limiting groove; 15. an L-shaped plate; 16. a bolt; 17. a limiting cylinder; 18. a limiting column; 19. a slide bar; 20. a mounting seat; 21. a moving block; 22. a second spring; 23. a connecting rod; 24. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present embodiment provides the following technical solutions: a novel biological safety cabinet comprises a biological safety cabinet body 1, a base 2 and a movable plate 3, wherein the biological safety cabinet body 1 is positioned above the base 2, the movable plate 3 is positioned below the base 2, a plurality of electric push rods 4 are fixedly arranged below the base 2, the movable ends of the electric push rods 4 are fixedly connected with the upper surface of the movable plate 3, four mutually symmetrical supporting legs 5 are further arranged below the base 2, sliding grooves 6 are respectively formed in the inner sides of the supporting legs 5, the sliding grooves 6 are in a shape of a Chinese character 'tu', the stability of the movable plate 3 during movement is improved through the shape of the Chinese character 'tu' sliding grooves 6, a sliding block 7 matched with the sliding grooves 6 is fixedly arranged on the side edge of the movable plate 3, a plurality of sleeves 8 are arranged below the movable plate 3, an inner cavity for up-down movement of a movable column 9 is further formed in each sleeve 8, and universal wheels 11 with brakes are arranged below the movable columns 9 through mounting plates 10, a first spring 12 is fixedly connected between the lower surface of the movable plate 3 and the mounting plate 10, the first spring 12 is sleeved outside the sleeve 8 and the movable column 9, and under the combined action of the movable plate 3, the electric push rod 4, the universal wheel 11, the sleeve 8, the movable column 9 and the first spring 12, the universal wheel 11 is prevented from contacting the ground for a long time, so that the biological safety cabinet is prevented from easily sliding relative to the ground when the universal wheel 11 is subjected to an excessive external force, the biological safety cabinet is prevented from shaking when moving, and therefore infectious materials in the biological safety cabinet are prevented from leaking, sputtering and the like, a limiting groove 14 for mounting the limiting plate 13 is formed in the base 2, the limiting plate 13 is movably mounted in the limiting groove 14, the upper surface of the limiting plate 13 is connected with the side surface of the biological safety cabinet body 1 through an L-shaped plate 15, a plurality of bolts 16 are arranged on the L-shaped plate 15, and pass through the limiting groove 14, the limiting plate 13, the L-shaped plate and the bolt 16 can facilitate workers to replace the biosafety cabinet, and have practicability, a plurality of limiting cylinders 17 are arranged between the bottom in the limiting groove 14 and the lower surface of the limiting plate 13, empty grooves for installing limiting columns 18 are formed in the limiting cylinders 17, the tops of the limiting columns 18 are fixedly connected with the lower surface of the movable plate 3, the limiting columns 18 are used for stabilizing the movement of the limiting plate 13 in the limiting groove 14 through the limiting cylinders 17 and the limiting columns 18, damping mechanisms are further arranged on two sides of the limiting cylinders 17 and comprise sliding rods 19 and connecting rods 23, the sliding rods 19 are fixedly installed in the limiting grooves 14 through installing seats 20, movable blocks 21 are movably sleeved on the sliding rods 19, second springs 22 are fixedly installed between the outer sides of the sliding blocks 21 and the inner sides of the installing seats 20, the second springs 22 are sleeved on the sliding rods 19, and the bottoms of the connecting rods 23 are hinged with the tops of the movable blocks 21, the top of connecting rod 23 is articulated with the lower surface of movable plate 3, through slide bar 19, connecting rod 23 and second spring 22, play the absorbing effect of secondary to biosafety cabinet body 1, a plurality of dead levers 24 of still fixedly connected with between four supporting legs 5, through dead lever 24, the stability of supporting leg 5 with the ground contact has been increased, four supporting legs 5 bottoms still are provided with the skid resistant course, through the skid resistant course, greatly increased the friction between supporting leg 5 and the ground, further increase the stability of biosafety cabinet.

The utility model discloses a theory of operation: the utility model discloses when the biosafety cabinet need remove, the staff passes through control switch, start electric putter 4, make 3 vertical downstream of movable plate, make universal wheel 11 and ground contact, remove the biosafety cabinet, simultaneously under the elastic action of first spring 12, play absorbing effect to universal wheel 11, thereby play first absorbing effect to the biosafety cabinet, second spring 22 receives the extrusion force of connecting rod 23 and movable block 21 or pulls the power simultaneously, play second absorbing effect to the biosafety cabinet.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A novel biological safety cabinet is characterized in that: comprises a biological safety cabinet body (1), a base (2) and a movable plate (3), wherein the biological safety cabinet body (1) is positioned above the base (2), the movable plate (3) is positioned below the base (2), a plurality of electric push rods (4) are fixedly arranged below the base (2), the movable end of each electric push rod (4) is fixedly connected with the upper surface of the movable plate (3), four mutually symmetrical supporting legs (5) are also arranged below the base (2), a sliding groove (6) is formed in the inner side of each supporting leg (5), a sliding block (7) matched with the sliding groove (6) is fixedly arranged on the side edge of the movable plate (3), a plurality of sleeves (8) are arranged below the movable plate (3), an inner cavity used for the movable column (9) to move up and down is further arranged in each sleeve (8), and universal wheels (11) with brakes are arranged below the movable column (9) through a mounting plate (10), a first spring (12) is fixedly connected between the lower surface of the moving plate (3) and the mounting plate (10), and the first spring (12) is sleeved on the outer sides of the sleeve (8) and the movable column (9).

2. A novel biosafety cabinet according to claim 1, characterized in that: offer spacing groove (14) that are used for installing limiting plate (13) on base (2), and movable mounting has limiting plate (13) in spacing groove (14), the upper surface and the biological safety cabinet body (1) side of limiting plate (13) are connected through L template (15), and are equipped with a plurality of bolt (16) on L template (15).

3. A novel biosafety cabinet according to claim 2, characterized in that: be equipped with spacing section of thick bamboo of a plurality of (17) between bottom in spacing groove (14) and limiting plate (13) lower surface, and all offer the dead slot that is used for installing spacing post (18) in spacing section of thick bamboo (17), the top of spacing post (18) and the lower fixed surface of movable plate (3) are connected, the both sides of spacing section of thick bamboo (17) still are equipped with damper.

4. A novel biosafety cabinet according to claim 3, characterized in that: the damping mechanism comprises a sliding rod (19) and a connecting rod (23), the sliding rod (19) is fixedly installed in a limiting groove (14) through an installation seat (20), a moving block (21) is movably sleeved on the sliding rod (19), a second spring (22) is fixedly installed between the outer side of the moving block (21) and the inner side of the installation seat (20), the second spring (22) is sleeved on the sliding rod (19), the bottom of the connecting rod (23) is hinged to the top of the moving block (21), and the top of the connecting rod (23) is hinged to the lower surface of the moving plate (3).

5. A novel biosafety cabinet according to claim 1, characterized in that: a plurality of fixing rods (24) are fixedly connected among the four supporting legs (5).

6. A novel biosafety cabinet according to claim 5, characterized in that: the bottom of the supporting leg (5) is also provided with an anti-skid layer.

7. A novel biosafety cabinet according to claim 1, characterized in that: the sliding groove (6) is a convex sliding groove (6).

Images