CN211026360U - Space-adjustable biological safety cabinet - Google Patents
Space-adjustable biological safety cabinet Download PDFInfo
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- CN211026360U CN211026360U CN201920834389.8U CN201920834389U CN211026360U CN 211026360 U CN211026360 U CN 211026360U CN 201920834389 U CN201920834389 U CN 201920834389U CN 211026360 U CN211026360 U CN 211026360U
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Abstract
The utility model discloses a biosafety cabinet with adjustable space, including the cabinet body, cabinet body top one side is run through and is provided with the fixed orifices, and the fixed orifices rotates in and runs through there is the transfer line, transfer line bottom fixed connection lead screw, and lead screw outer peripheral face screw rotates there is the lead screw cover, lead screw cover fixed connection horizontal plate one side, and the fixed first slide rail that is provided with of horizontal plate up end, first slide rail surface slip are provided with first slider, the fixed first connecting plate that is provided with in first slider top. The internal space of the utility model can be flexibly adjusted, the interior of the cabinet body can be partitioned according to different types of organisms, and meanwhile, the manufacturing cost is low, and the utility model has good economic benefit; set up a plurality of air-out pipes simultaneously and make outside air can more evenly discharge to the internal, make the air cycle effect of the internal portion of cabinet outstanding more, set up triple filter screen simultaneously and make the unclean air of the internal portion of cabinet discharge the external world and can not cause the pollution to the air.
Description
Technical Field
The utility model relates to a biological safety cabinet, concretely relates to biological safety cabinet with adjustable space.
Background
The biological safety cabinet is a box-shaped air purification negative pressure safety device which can prevent aerosol from dissipating when some dangerous or unknown biological particles are contained in the experimental operation and 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 laboratories.
Patent document (201811638092.0) discloses a biosafety cabinet, which is provided with multiple layers of partition plates to separate the inner space, so that different living things can be placed in the inner space. However, the biological safety cabinet does not consider that the space occupying the interior of the cabinet body is different due to different biological quantities, the interior space cannot be correspondingly adjusted according to requirements, and the practicability is not strong.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a biosafety cabinet with adjustable space, the following technical problem has been solved, (1) revolve the handle, the cooperation transmission of transfer line and lead screw, drive the adjustment of horizontal plate position, thereby make the internal portion of cabinet vertical separation space to adjust, cooperation through spout and L shaped plate, make the internal portion horizontal separation space of cabinet to adjust, solve the technical problem that the internal portion subregion space of biosafety cabinet can't be adjusted among the prior art, (2) the design of a plurality of play tuber pipes and the interior three-layer filter screen of blast pipe that the bottom set up in the cabinet has solved among the prior art biosafety cabinet air cycle effect unsatisfactory, the technical problem of the interior biological cultivation process production gaseous easy contaminated air of cabinet.
The purpose of the utility model can be realized by the following technical scheme:
a space adjustable biological safety cabinet comprises a cabinet body, wherein one side of the top of the cabinet body is provided with a fixing hole in a penetrating way, a transmission rod is rotatably penetrated in the fixed hole, the bottom of the transmission rod is fixedly connected with a screw rod, a screw rod sleeve is rotatably arranged on the outer peripheral surface of the screw rod through threads, the screw rod sleeve is fixedly connected with one side of the horizontal plate, the upper end surface of the horizontal plate is fixedly provided with a first slide rail, the surface of the first slide rail is provided with a first slide block in a sliding way, the top of the first slide block is fixedly provided with a first connecting plate, the top of the first connecting plate is fixedly provided with three telescopic rods, the tops of the three telescopic rods are fixedly connected with the bottom of the second connecting plate, the second connecting plate is fixedly provided with a second sliding block which is arranged at the bottom of a second sliding rail in a sliding manner, the second sliding rail is fixedly arranged on the inner wall of the top of the cabinet body, and an exhaust pipe penetrates through one side of the top of the cabinet body;
a sliding rod sleeve is fixedly arranged at one end, away from the screw rod sleeve, of the horizontal plate, the sliding rod sleeve is arranged on the outer peripheral surface of the sliding rod in a sliding mode, the top of the sliding rod is fixedly connected with the top of the inner wall of the cabinet body, a hinge is fixedly arranged on one side of the lower end face of the horizontal plate, a rotating rod is rotatably connected to the surface of the hinge, and a pipe clamp is fixedly arranged on the surface of the rotating rod;
the bottom of the screw rod is rotated in the sleeve, the sleeve is fixed at the bottom of the inner cavity of the cabinet body, a connecting pipe is fixedly arranged on one side of the sleeve, and the top of the connecting pipe is connected with a plurality of air outlet pipes.
Furthermore, the lower end face of the horizontal plate is fixedly provided with a sliding groove, the bottom of the sliding groove is provided with an L-shaped plate in a sliding manner, and the L-shaped plate is movably clamped with the pipe clamp.
Furthermore, the bottom of the sliding rod is fixedly provided with a limiting plate, and the limiting plate is fixedly arranged above the connecting pipe.
Furthermore, the connecting pipe is fixedly connected with a fan, and the fan is fixed on the outer side wall of the cabinet body.
Furthermore, the transmission rod is far away from one end of the screw rod and is fixedly provided with a rotating handle which is arranged on the outer side of the cabinet body.
Furthermore, the inner cavity of the exhaust pipe is fixedly provided with a cotton fiber filter screen, an activated carbon filter screen and an HEPA filter screen which are arranged at equal intervals from bottom to top.
The utility model has the advantages that:
(1) the utility model discloses a biosafety cabinet with adjustable space, it rotates to drive the transfer line through rotating the handle, and then drive the lead screw and rotate, lead screw cooperation lead screw cover drives the horizontal position adjustment of horizontal plate, the fixed slide bar cover of horizontal plate opposite side prolongs the slide bar and goes up and down, the horizontal plate drives first slide rail simultaneously and descends, and then first slide rail drives the telescopic link through the first connecting plate at first slider top and stretches out and draws back from top to bottom, after the horizontal plate moved to required height, it promotes L shaped plate to prolong the spout, separate L shaped plate and pipe strap, the bull stick drives pipe strap and prolongs the hinge rotation, the operator sets up pipe strap and slide bar fixed card, can fix the horizontal plate, namely accomplish the adjustment to the horizontal position of the internal portion of cabinet, promote first slider or second slider and then drive the telescopic link and move, can accomplish the adjustment to the internal wall longitudinal position of cabinet, this biosafety cabinet internal space can be adjusted in a flexible way, can carry out the subregion according to the different grade type needs of biology, low in manufacturing cost simultaneously, good;
(2) arrange outside hole gas into to the connecting pipe in through the fan, and then arrange into the cabinet internal through a plurality of tuber pipes, the air of the internal portion of cabinet enters into the blast pipe, and then discharges to the external world through the triple filtration of the cotton fiber filter screen in the blast pipe, active carbon filter screen and HEPA filter screen, can not cause air pollution to the external world when guaranteeing that the internal portion air of cabinet is fresh. This biological safety cabinet sets up a plurality of air-out pipes and makes outside air can more evenly discharge into the cabinet internal for the air cycle effect of the internal portion of cabinet is more outstanding, sets up triple filter screen simultaneously and makes the unclean air of the internal portion of cabinet arrange the external world and can not cause the pollution to the air.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a space-adjustable biosafety cabinet according to the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1;
FIG. 3 is a view showing the connection between the telescopic rod and the first and second connecting plates;
FIG. 4 is an enlarged view of the structure of FIG. 1 at B;
fig. 5 is a sectional view of the inside of the exhaust pipe of the present invention.
In the drawing, the cabinet comprises a cabinet body 1, a fixing hole 2, a rotating handle 3, a screw rod 4, a screw rod 41, a transmission rod 5, a screw rod sleeve 6, a horizontal plate 7, a first slide rail 8, a first slide block 9, a first connecting plate 10, a telescopic rod 11, a second connecting plate 12, a second slide block 13, a second slide rail 14, a slide rod sleeve 15, a slide rod 151, a limiting plate 16, a hinge 17, a rotating rod 18, a pipe clamp 19, an L-shaped plate 20, a sliding chute 21, a fan 22, a connecting pipe 23, an air outlet pipe 24, an air outlet pipe 241, a cotton fiber filter screen 242, an active carbon filter screen 243, a HEPA filter screen 25 and a sleeve.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model relates to a space-adjustable biosafety cabinet, which comprises a cabinet body 1, a fixing hole 2 is arranged on one side of the top of the cabinet body 1, a transmission rod 41 is rotatably arranged in the fixing hole 2, the bottom of the transmission rod 41 is fixedly connected with a screw rod 4, a screw rod sleeve 5 is rotatably arranged on the outer peripheral surface of the screw rod 4, the screw rod sleeve 5 is fixedly connected with one side of a horizontal plate 6, a first slide rail 7 is fixedly arranged on the upper end surface of the horizontal plate 6, a first slide block 8 is arranged on the surface of the first slide rail 7 in a sliding manner, a first connecting plate 9 is fixedly arranged on the top of the first slide block 8, three telescopic rods 10 are fixedly arranged on the top of the first connecting plate 9, the tops of the three telescopic rods 10 are fixedly connected with the bottom of a second connecting plate 11, a second slide block 12 is fixedly arranged on the second slide rail 13, the second, an exhaust pipe 24 penetrates through one side of the top of the cabinet body 1;
a sliding rod sleeve 14 is fixedly arranged at one end, far away from the lead screw sleeve 5, of the horizontal plate 6, the sliding rod sleeve 14 is arranged on the outer peripheral surface of a sliding rod 15 in a sliding mode, the top of the sliding rod 15 is fixedly connected with the top of the inner wall of the cabinet body 1, a hinge 16 is fixedly arranged on one side of the lower end face of the horizontal plate 6, a rotating rod 17 is rotatably connected to the surface of the hinge 16, and a pipe clamp 18 is fixedly arranged on the;
the bottom of the screw rod 4 is rotated in the sleeve 25, the sleeve 25 is fixed at the bottom of the inner cavity of the cabinet body 1, the connecting pipe 22 is fixedly arranged on one side of the sleeve 25, and the top of the connecting pipe 22 is connected with a plurality of air outlet pipes 23.
Specifically, a chute 20 is fixedly formed in the lower end face of the horizontal plate 6, an L-shaped plate 19 is slidably arranged at the bottom of the chute 20, the L-shaped plate 19 is movably clamped with the pipe clamp 18, a limiting plate 151 is fixedly arranged at the bottom of the sliding rod 15, the limiting plate 151 is fixedly arranged above the connecting pipe 22, the connecting pipe 22 is fixedly connected with a fan 21, the fan 21 is fixed on the outer side wall of the cabinet body 1, a knob 3 is fixedly arranged at one end, away from the screw rod 4, of the transmission rod 41, the knob 3 is arranged outside the cabinet body 1, and a cotton fiber filter screen 241, an activated carbon filter screen 242 and a HEPA filter.
Referring to fig. 1-5, the principles of space adjustment and air filtration of the space-adjustable biosafety cabinet of the present embodiment are as follows:
the knob 3 is rotated, the knob 3 drives the transmission rod 41 to rotate, and further drives the screw rod 4 to rotate, the screw rod 4 is matched with the screw rod sleeve 5 to drive the horizontal position of the horizontal plate 6 to be adjusted, the slide rod sleeve 14 fixed on the other side of the horizontal plate 6 extends the slide rod 15 to be lifted, meanwhile, the horizontal plate 6 drives the first slide rail 7 to descend, and further the first slide rail 7 drives the telescopic rod 10 to vertically extend and retract through the first connecting plate 9 on the top of the first slide block 8, after the horizontal plate 6 moves to a required height, the slide groove 20 pushes the L-shaped plate 19, the L-shaped plate 19 is separated from the pipe clamp 18, the rotary rod 17 drives the pipe clamp 18 to rotate along the hinge 16, an operator fixes the pipe clamp 18 and the slide rod 15, so that the horizontal plate 6 can be fixed, that the horizontal position inside the cabinet body 1 can be adjusted, the first slide block 8 or the second slide block 12 is pushed, so that the telescopic rod 10 is driven to move, that the longitudinal position of the inner wall of the cabinet body 1 can be adjusted, the fan 21 discharges external hole air into the connecting pipe 22, and then discharges fresh air into the cabinet body 1 through the filter screen 243, and fresh air in the cabinet body 241 and can not pollute the filter screen 242.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The space-adjustable biological safety cabinet is characterized by comprising a cabinet body (1), wherein one side of the top of the cabinet body (1) is provided with a fixing hole (2) in a penetrating manner, the fixing hole (2) is internally rotated to be provided with a transmission rod (41), the bottom of the transmission rod (41) is fixedly connected with a lead screw (4), the outer peripheral surface of the lead screw (4) is in threaded rotation with a lead screw sleeve (5), the lead screw sleeve (5) is fixedly connected with one side of a horizontal plate (6), the upper end surface of the horizontal plate (6) is fixedly provided with a first slide rail (7), the surface of the first slide rail (7) is provided with a first slide block (8) in a sliding manner, the top of the first slide block (8) is fixedly provided with a first connecting plate (9), the top of the first connecting plate (9) is fixedly provided with three telescopic rods (10), the tops of the three telescopic rods (10) are fixedly connected with the bottom, a second sliding block (12) is fixedly arranged on the second connecting plate (11), the second sliding block (12) is arranged at the bottom of a second sliding rail (13) in a sliding manner, the second sliding rail (13) is fixedly arranged on the inner wall of the top of the cabinet body (1), and an exhaust pipe (24) penetrates through one side of the top of the cabinet body (1);
a sliding rod sleeve (14) is fixedly arranged at one end, far away from the screw rod sleeve (5), of the horizontal plate (6), the sliding rod sleeve (14) is arranged on the outer peripheral surface of the sliding rod (15) in a sliding mode, the top of the sliding rod (15) is fixedly connected with the top of the inner wall of the cabinet body (1), a hinge (16) is fixedly arranged on one side of the lower end face of the horizontal plate (6), a rotating rod (17) is rotatably connected to the surface of the hinge (16), and a pipe clamp (18) is fixedly arranged on the surface of the rotating rod (17);
lead screw (4) bottom is rotated in sleeve (25), sleeve (25) are fixed in the cabinet body (1) inner chamber bottom, just sleeve (25) one side is fixed and is provided with connecting pipe (22), connecting pipe (22) top is connected with a plurality of tuber pipes (23).
2. The spatially adjustable biosafety cabinet according to claim 1, wherein a sliding groove (20) is fixedly formed in the lower end surface of the horizontal plate (6), an L-shaped plate (19) is slidably disposed at the bottom of the sliding groove (20), and the L-shaped plate (19) is movably engaged with the pipe clamp (18).
3. The spatially adjustable biosafety cabinet according to claim 1, wherein a limiting plate (151) is fixedly disposed at the bottom of the sliding rod (15), and the limiting plate (151) is fixedly disposed above the connecting pipe (22).
4. The spatially adjustable biosafety cabinet according to claim 1, wherein a fan (21) is fixedly connected to the connecting pipe (22), and the fan (21) is fixed on the outer side wall of the cabinet body (1).
5. The spatially adjustable biosafety cabinet according to claim 1, wherein a knob (3) is fixedly installed at one end of the transmission rod (41) far away from the screw rod (4), and the knob (3) is arranged outside the cabinet body (1).
6. The spatially adjustable biosafety cabinet according to claim 1, wherein the cotton fiber screen (241), the activated carbon screen (242) and the HEPA screen (243) are fixed in the inner cavity of the exhaust pipe (24) from bottom to top at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834389.8U CN211026360U (en) | 2019-06-04 | 2019-06-04 | Space-adjustable biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834389.8U CN211026360U (en) | 2019-06-04 | 2019-06-04 | Space-adjustable biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211026360U true CN211026360U (en) | 2020-07-17 |
Family
ID=71561869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920834389.8U Active CN211026360U (en) | 2019-06-04 | 2019-06-04 | Space-adjustable biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211026360U (en) |
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2019
- 2019-06-04 CN CN201920834389.8U patent/CN211026360U/en active Active
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