CN217747128U

CN217747128U - Temperature control device of biological safety cabinet

Info

Publication number: CN217747128U
Application number: CN202221300057.XU
Authority: CN
Inventors: 何龙丹; 叶涛; 苏昆; 夏伟君
Original assignee: Hangzhou Meiyi Biotechnology Co ltd
Current assignee: Hangzhou Meiyi Biotechnology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-08
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to a biological safety cabinet technical field just discloses a biological safety cabinet temperature control device, including the cabinet body and biological chamber, the biological chamber is fixed to be set up in the inside of the cabinet body, the both sides of the cabinet body all are provided with the slide bar, two the upper end of slide bar all extends to the outside of the cabinet body, two the lower extreme of the cabinet body all extends to the inside of biological chamber, two the lower extreme of slide bar all rotates the cover and is equipped with the bull stick, two the inboard one end of bull stick is all fixed and is provided with the carousel, two eccentric between the carousel is provided with the heating pipe, the both ends of heating pipe all with the carousel fixed connection that corresponds, two the outside one end of bull stick is all fixed the gear of having cup jointed, two the rear side of gear all meshes and is provided with the rack. The utility model discloses can carry out high-efficient even temperature control to the internal portion of cabinet, avoid as far as possible to cause the influence to biological assay's result because of the internal temperature inequality of cabinet.

Description

Temperature control device of biological safety cabinet

Technical Field

The utility model relates to a biological safety cabinet technical field especially relates to a biological safety cabinet temperature control device.

Background

The biological safety cabinet is a box type air purification negative pressure safety device which can prevent aerosol dissipation caused by dangerous or unknown biological particles in the experimental operation treatment process. The protective screen 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 protective equipment in the primary protective screen in the biological safety of a laboratory.

Wherein, notice number CN207342713U discloses a second grade biosafety cabinet, the power distribution box comprises a box body, sliding connection has the roof between the both sides of box inner wall, the top sliding connection of roof has the threaded rod, the top of threaded rod runs through the box and extends to the top of box, the top fixedly connected with turning handle of threaded rod, the both sides of roof bottom are all rotated and are connected with the rotor plate, and one side of rotor plate is rotated and is connected with the slider, the bottom sliding connection of slider has the bottom plate, the top fixedly connected with connecting spring of bottom plate, connecting spring's top and the bottom fixed connection of roof, and the both sides of bottom plate all run through there is the diaphragm, one side of diaphragm is located the outside fixedly connected with fixture block of bottom plate, still there is the defect in this technical scheme:

among this technical scheme, carry out temperature control through the fixed hot plate that sets up, the air temperature heating that is close to hot plate one side is very fast, and keeps away from the air heating of hot plate one side slower, is difficult to carry out even heating to the box inside, influences follow-up biological experiment's result easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the second grade biosafety cabinet temperature control device is easy to influence the result of follow-up biological experiment because the heating plate of fixing the setting is used for temperature control, the air temperature heating close to one side of the heating plate is faster, and the air heating far away from one side of the heating plate is slower, and the box is difficult to be heated uniformly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a biosafety cabinet temperature control device, includes the cabinet body and biological chamber, the biological chamber is fixed to be set up in the inside of the cabinet body, the both sides of the cabinet body all are provided with the slide bar, two the upper end of slide bar all extends to the outside of the cabinet body, two the lower extreme of the cabinet body all extends to the inside of biological chamber, two the lower extreme of slide bar all rotates the cover and is equipped with the bull stick, two the inboard one end of bull stick is all fixed and is provided with the carousel, two eccentric between the carousel is provided with the heating pipe, the both ends of heating pipe all with the carousel fixed connection that corresponds, two the outside one end of bull stick is all fixed the gear, two the rear side of gear all meshes and is provided with the rack, two the both ends of rack respectively with the cabinet body that corresponds and the inner wall fixed connection of biological chamber, the upside of the cabinet body is provided with the drive mechanism that drives two slide bars and remove.

Preferably, drive mechanism includes carousel and diaphragm, the diaphragm is fixed set up in two the top of slide bar, the fixed riser that is provided with in the rear side that the upper surface of the cabinet body just is located the diaphragm, the front side rotation of riser is provided with the transfer line, the fixed front end of cup jointing in the transfer line of carousel, the front side off-centre of carousel is provided with the round pin, the lower fixed surface of diaphragm is provided with pushes away the pull ring, the front end of round pin extends to the inboard that pushes away the pull ring, the rear side of riser is provided with the motor, the output of motor and the rear end fixed connection of transfer line.

Preferably, the upper ends of the sliding rods on the two sides are movably sleeved with corrugated pipes, and the two ends of each corrugated pipe are fixedly connected with the corresponding transverse plate and the outer wall of the cabinet body respectively.

Preferably, the front end of the round pin is fixedly sleeved with a baffle ring.

Preferably, the motor is fixedly connected with the vertical plate through a support frame.

Preferably, the cross section of the sliding rod on both sides is square.

Preferably, both the racks are made of rigid materials.

Preferably, the two corrugated pipes are high-toughness PVC pipes.

Preferably, the motor is a reduction motor.

Compared with the prior art, the utility model provides a biosafety cabinet temperature control device possesses following beneficial effect:

this biosafety cabinet temperature control device, it rotates to drive the transmission disc through the motor, the transmission disc drives the round pin and uses the transfer line to rotate as the axle, even make the round pin rotate the in-process and can reciprocate to push away and pull the pull ring, can drive diaphragm reciprocating motion upwards promptly, drive two slide bars reciprocating motion from top to bottom promptly, drive two carousel reciprocating motion from top to bottom promptly, thereby drive the rack reciprocating motion that two gear relatively fixed set up, even make two gear autorotations, can drive the carousel and use the transfer bar to rotate as the axle promptly, even make the carousel drive the heating pipe and use the transfer bar to rotate when reciprocating motion from top to bottom, can carry out high-efficient even temperature control to the internal portion of cabinet promptly, avoid causing the influence to the result of biological assay because of the temperature inequality in the cabinet body as far as possible.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out high-efficient even temperature control to the internal portion of cabinet, avoid as far as possible because of the internal uneven result of causing the influence to biological assay of temperature of cabinet.

Drawings

FIG. 1 is a schematic structural view of a temperature control device of a biosafety cabinet according to the present invention;

FIG. 2 is a rear view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion A in FIG. 1;

fig. 4 is a schematic view of a connection structure of the heating pipe and the turntable in fig. 1.

In the figure: 1 cabinet body, 2 biological chambers, 3 slide bars, 4 rotating bars, 5 rotating discs, 6 heating pipes, 7 gears, 8 racks, 9 transverse plates, 10 corrugated pipes, 11 vertical plates, 12 transmission discs, 13 transmission bars, 14 motors, 15 push pull rings, 16 round pins and 17 retaining rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1, a biosafety cabinet temperature control device, including the cabinet body 1 and biological chamber 2, biological chamber 2 is fixed to be set up in the inside of the cabinet body 1, the both sides of the cabinet body 1 all are provided with slide bar 3, the upper end of two slide bars 3 all extends to the outside of the cabinet body 1, the cross section of both sides slide bar 3 is squarely, make the slip that slide bar 3 can be stable, the lower extreme of two cabinet bodies 1 all extends to the inside of biological chamber 2, the lower extreme of two slide bars 3 all rotates the cover and is equipped with bull stick 4, the inboard one end of two bull sticks 4 is all fixed and is provided with carousel 5, eccentric between two carousels 5 is provided with heating pipe 6.

Referring to fig. 1, the both ends of heating pipe 6 all with the carousel 5 fixed connection that corresponds, the gear 7 has all been cup jointed fixedly to the outside one end of two bull sticks 4, and the rear side of two gears 7 all meshes and is provided with rack 8, and two racks 8 are the rigid material preparation and form for the meshing that rack 8 and gear 7 can be stable, the both ends of two racks 8 respectively with the cabinet body 1 that corresponds and the inner wall fixed connection of biological chamber 2.

Example two

Referring to fig. 1-3, the upside of the cabinet body 1 is provided with a transmission mechanism for driving the two slide bars 3 to move, the transmission mechanism includes a transmission disc 12 and a transverse plate 9, the transverse plate 9 is fixedly arranged on the top ends of the two slide bars 3, a vertical plate 11 is fixedly arranged on the upper surface of the cabinet body 1 and on the rear side of the transverse plate 9, a transmission rod 13 is rotatably arranged on the front side of the vertical plate 11, the transmission disc 12 is fixedly sleeved on the front end of the transmission rod 13, a round pin 16 is eccentrically arranged on the front side of the transmission disc 12, a push-pull ring 15 is fixedly arranged on the lower surface of the transverse plate 9, the front end of the round pin 16 extends to the inner side of the push-pull ring 15, a motor 14 is arranged on the rear side of the vertical plate 11, the output end of the motor 14 is fixedly connected with the rear end of the transmission rod 13, the motor 14 is fixedly connected with the vertical plate 11 through a support frame, so that the motor 14 is more stably connected with the vertical plate 11, the motor 14 is a speed reduction motor, and can provide large and stable transmission force.

EXAMPLE III

Referring to fig. 1, on the basis of the first embodiment, the upper ends of the sliding rods 3 on the two sides are movably sleeved with the corrugated pipes 10, the two ends of each corrugated pipe 10 are fixedly connected with the corresponding transverse plate 9 and the outer wall of the cabinet body 1, so that the sealing performance of the cabinet body 1 is improved, the two corrugated pipes 10 are high-toughness PVC pipes, and the service life of each corrugated pipe 10 can be prolonged.

Example four

Referring to fig. 3, in the second embodiment, a stopper ring 17 is fixedly fitted to the front end of the round pin 16, so that the round pin 16 is prevented from slipping out of the push-pull ring 15 as much as possible.

The utility model discloses in, during the use, switch on motor 14's power, motor 14 drives transmission disc 12 and rotates, transmission disc 12 drives round pin 16 and uses transfer line 13 to rotate as the axle, even make round pin 16 rotate the in-process can reciprocal push-and-pull push-pull ring 15, can drive diaphragm 9 reciprocating motion that makes progress promptly, drive two slide bar 3 up-and-down reciprocating motion promptly, drive two carousel 5 reciprocating motion from top to bottom promptly, thereby drive the rack 8 reciprocating motion of two gear 7 relatively fixed settings, even get two gear 7 rotations, can drive carousel 5 promptly and use bull stick 4 to rotate as the axle, use bull stick 4 to rotate when even getting carousel 5 to drive the upper and lower reciprocating motion of heating pipe 6, promptly can carry out high-efficient even temperature control to cabinet 1 inside, avoid as far as possible because of the uneven influence causes to biological experiment's result in the cabinet 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a biosafety cabinet temperature control device, includes the cabinet body (1) and biological chamber (2), its characterized in that, biological chamber (2) are fixed to be set up in the inside of the cabinet body (1), the both sides of the cabinet body (1) all are provided with slide bar (3), two the upper end of slide bar (3) all extends to the outside of the cabinet body (1), two the lower extreme of the cabinet body (1) all extends to the inside of biological chamber (2), two the lower extreme of slide bar (3) all rotates the cover and is equipped with bull stick (4), two the inboard one end of bull stick (4) is all fixed and is provided with carousel (5), two eccentric between carousel (5) is provided with heating pipe (6), the both ends of heating pipe (6) all with carousel (5) fixed connection that corresponds, two the outside one end of bull stick (4) all is fixed and has cup jointed gear (7), two the rear side of gear (7) all meshes and is provided with rack (8), two the both ends of rack (8) respectively with the inner wall fixed connection upside of the cabinet body (1) and biological chamber (2) that correspond, the drive mechanism of the cabinet body (1) is provided with the removal of two.

2. The temperature control device for the biosafety cabinet according to claim 1, wherein the transmission mechanism comprises a transmission disc (12) and a transverse plate (9), the transverse plate (9) is fixedly arranged at the top ends of the two slide bars (3), a vertical plate (11) is fixedly arranged on the upper surface of the cabinet body (1) and at the rear side of the transverse plate (9), a transmission rod (13) is rotatably arranged at the front side of the vertical plate (11), the transmission disc (12) is fixedly sleeved at the front end of the transmission rod (13), a round pin (16) is eccentrically arranged at the front side of the transmission disc (12), a push-pull ring (15) is fixedly arranged on the lower surface of the transverse plate (9), the front end of the round pin (16) extends to the inner side of the push-pull ring (15), a motor (14) is arranged at the rear side of the vertical plate (11), and the output end of the motor (14) is fixedly connected with the rear end of the transmission rod (13).

3. The temperature control device for the biosafety cabinet according to claim 2, wherein corrugated pipes (10) are movably sleeved at the upper ends of the sliding rods (3) at two sides, and two ends of each corrugated pipe (10) are respectively and fixedly connected with the corresponding transverse plate (9) and the outer wall of the cabinet body (1).

4. The temperature control device for the biosafety cabinet according to claim 2, wherein a baffle ring (17) is fixedly sleeved at the front end of the round pin (16).

5. The temperature control device of the biosafety cabinet as claimed in claim 2, wherein the motor (14) is fixedly connected with the vertical plate (11) through a support frame.

6. The temperature control device for the biosafety cabinet according to claim 1, wherein the cross section of the sliding rod (3) on both sides is square.

7. The temperature control device of the biosafety cabinet as claimed in claim 1, wherein both of the racks (8) are made of rigid material.

8. The temperature control device for biological safety cabinet as claimed in claim 3, wherein the two corrugated pipes (10) are high-toughness PVC pipes.

9. The temperature control device for a biosafety cabinet according to claim 2, wherein said motor (14) is a speed reduction motor.