CN111632984A - Novel laboratory fume chamber - Google Patents
Novel laboratory fume chamber Download PDFInfo
- Publication number
- CN111632984A CN111632984A CN202010453401.8A CN202010453401A CN111632984A CN 111632984 A CN111632984 A CN 111632984A CN 202010453401 A CN202010453401 A CN 202010453401A CN 111632984 A CN111632984 A CN 111632984A
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- driving bevel
- bevel gears
- workbench
- bevel gear
- workstation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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Abstract
The embodiment of the invention discloses a novel laboratory ventilation cabinet which comprises a workbench, wherein a shaft lever is movably arranged at the center of an inner cavity of the workbench, a motor is fixedly arranged on one side of the workbench, the shaft lever is in transmission connection with the motor through an output shaft, adjusting plates are arranged on two sides of the shaft lever, the two adjusting plates are in sliding connection with the shaft lever, and a first driving bevel gear is movably arranged on one side close to the two adjusting plates. The motor drives the placing cabinet to move up and down so as to be convenient for people with different heights to use, the electric push rod drives the two first driving bevel gears to move towards the middle of the shaft rod, the motor can drive the two exhaust fans to rotate to generate air flow, the air flow moves above the workbench through the air port and is matched with the fan exchanger to accelerate the air exchange speed at the top of the workbench, and the ventilating cabinet has the lifting and double-exhausting functions, is wide in use range, is in movable structural design, is convenient to adjust and use and is easy to popularize.
Description
Technical Field
The invention relates to the technical field of laboratory exhaust, in particular to a novel laboratory ventilation cabinet.
Background
Fume hoods are an indispensable component of laboratory ventilation design, in order to prevent laboratory workers from inhaling or ingesting toxic, pathogenic or non-toxic chemicals and organisms, to provide good ventilation in the laboratory, and to prevent the absorption of vapors, gases and particles (smoke, soot, dust and aerosols), the contaminating substances must be removed by fume hoods, hoods or local ventilation;
the prior art has the following defects: the fume chamber is fixed structural design, is not convenient for adjust the use, and application range is narrow, and the ventilation effect of fume chamber is poor, needs a plurality of actuating mechanism drive operation in the use, and production and use cost are high, are difficult for promoting.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
Therefore, the embodiment of the invention provides a novel laboratory ventilation cabinet, the placement cabinet is driven by a motor to move up and down so as to be convenient for people with different heights to use, an electric push rod drives two first driving bevel gears to move towards the middle of a shaft rod, the motor can drive two exhaust fans to rotate to generate air flow, the air flow moves to the position above a workbench through an air port and is matched with a fan exchanger to accelerate the air exchange speed at the top of the workbench, and the laboratory ventilation cabinet has the lifting and double-exhaust functions, is wide in application range, is of a movable structural design, is convenient to adjust and use, and is easy to popularize so as to solve the problems in the background technology.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a novel laboratory ventilation cabinet comprises a workbench, wherein a shaft lever is movably arranged at the center of an inner cavity of the workbench, a motor is fixedly arranged on one side of the workbench, the shaft lever is in transmission connection with the motor through an output shaft, adjusting plates are arranged on two sides of the shaft lever, the two adjusting plates are in sliding connection with the shaft lever, a first driving bevel gear is movably arranged on one side close to the two adjusting plates, a second driving bevel gear is movably arranged on one side far away from the two adjusting plates, and the first driving bevel gear and the second driving bevel gear are in sliding connection with the shaft lever;
two first driven bevel gears are arranged between the two first driving bevel gears and are respectively meshed with the two first driving bevel gears, rotating rods are fixedly arranged at the tops of the two first driven bevel gears and are movably connected with the workbench, and exhaust fans are fixedly arranged on the outer sides of the tops of the rotating rods;
two the top of second initiative bevel gear all is equipped with the driven bevel gear of second, and two the driven bevel gear of second meshes with two second initiative bevel gears respectively, two the top of the driven bevel gear of second all is fixed and is equipped with the rotary drum, the both sides bottom of workstation inner chamber all is fixed and is equipped with electric putter, and two the regulating plate passes through output shaft transmission with two electric putter respectively and is connected, the top both sides of workstation all are fixed and are equipped with the backup pad, two the inside of rotary drum all is equipped with the screw rod, the top and the backup pad welding of screw rod, just screw rod and rotary drum threaded connection, the cabinet is placed to the fixed being equipped with in top of backup pad.
Preferably, the two ends of the shaft lever are respectively movably connected with the two side walls of the workbench through bearings, a motor cover is arranged on the outer side of the motor, and the motor cover is detachably connected with the workbench through screws.
Preferably, the number of the first driving bevel gears and the number of the second driving bevel gears are two, the two first driving bevel gears are distributed in a central symmetry manner about the shaft rod, the two second driving bevel gears are distributed in a central symmetry manner about the shaft rod, and the first driving bevel gears and the second driving bevel gears are distributed in a central symmetry manner about the adjusting plate.
Preferably, a connecting rod is fixedly arranged on one side close to the first driving bevel gear and one side close to the second driving bevel gear, a T-shaped block is fixedly arranged at the end of the connecting rod, the connecting rod is movably connected with an adjusting plate through the T-shaped block, annular grooves are formed in the two sides of the adjusting plate, the longitudinal section of each annular groove is in a T-shaped design, and the T-shaped blocks are matched with the annular grooves.
Preferably, bull stick and exhaust fan all set up to two, and two the bull stick all passes through bearing swing joint, two with the workstation be the setting of staggering mutually between the exhaust fan, the wind gap corresponding with the exhaust fan position is seted up at the top of workstation.
Preferably, slide rails are fixedly arranged on two sides of the shaft rod, the first driving bevel gear and the second driving bevel gear are slidably connected with the shaft rod through the slide rails, and the two adjusting plates are movably connected with the shaft rod through bearings.
Preferably, two electric putter is central symmetry distribution about the workstation, and two be relative setting between the electric putter, two electric putter all passes through strengthening rib fixed connection with the workstation.
Preferably, the fixed protection casing that is equipped with in top of workstation, just place the cabinet embedding and set up in the protection casing, place cabinet and protection casing sliding connection.
Preferably, the fan that trades is fixed to be equipped with at the dorsal part top of protection casing inner chamber, the fixed baffle that is equipped with in top side of placing the cabinet.
Preferably, the bottom of workstation is equipped with four universal wheels, and four the universal wheel all passes through the screw with the workstation and can dismantle the connection, four the universal wheel sets up four base angle departments at the workstation respectively.
The embodiment of the invention has the following advantages:
the electric push rod drives the two adjusting plates to move towards the two sides of the shaft rod, the motor can drive the supporting plate to move up and down at the moment, the height position of the placing cabinet is changed, so that people with different heights can use the ventilating cabinet, the electric push rod drives the two first driving bevel gears to move towards the middle of the shaft rod, the motor can drive the two exhaust fans to rotate to generate air flow, the air flow moves to the position above the workbench through the air port, and the ventilation speed of the top of the workbench is increased by matching with the air exchange fans.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a longitudinal sectional view of the present invention.
Fig. 2 is one of the usage scenarios of the present invention.
FIG. 3 is a second view of the present invention.
FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention.
Fig. 5 is a longitudinal sectional view of an adjustment plate of the invention.
Fig. 6 is a partial structural view of the shaft of the present invention.
FIG. 7 is a left side longitudinal sectional view of the present invention.
In the figure: 1. a work table; 2. a shaft lever; 3. a motor; 4. an adjusting plate; 5. a first drive bevel gear; 6. a second drive bevel gear; 7. a connecting rod; 8. a first driven bevel gear; 9. a rotating rod; 10. an exhaust fan; 11. a slide rail; 12. a second driven bevel gear; 13. a rotating drum; 14. an electric push rod; 15. a support plate; 16. a screw; 17. a placing cabinet; 18. a protective cover; 19. and (6) a fan is replaced.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
The invention provides a novel laboratory ventilation cabinet as shown in figures 1-7, which comprises a workbench 1, wherein a shaft lever 2 is movably arranged at the center of an inner cavity of the workbench 1, a motor 3 is fixedly arranged at one side of the workbench 1, the shaft lever 2 is in transmission connection with the motor 3 through an output shaft, adjusting plates 4 are respectively arranged at two sides of the shaft lever 2, the two adjusting plates 4 are respectively in sliding connection with the shaft lever 2, a first driving bevel gear 5 is movably arranged at one side close to the two adjusting plates 4, a second driving bevel gear 6 is movably arranged at one side far away from the two adjusting plates 4, and the first driving bevel gear 5 and the second driving bevel gear 6 are respectively in sliding connection with the shaft lever 2;
two first driven bevel gears 8 are arranged between the two first driving bevel gears 5, the two first driven bevel gears 8 are respectively meshed with the two first driving bevel gears 5, rotating rods 9 are fixedly arranged at the tops of the two first driven bevel gears 8, the rotating rods 9 are movably connected with the workbench 1, and exhaust fans 10 are fixedly arranged on the outer sides of the tops of the rotating rods 9;
the top parts of the two second driving bevel gears 6 are respectively provided with a second driven bevel gear 12, the two second driven bevel gears 12 are respectively meshed with the two second driving bevel gears 6, the top parts of the two second driven bevel gears 12 are respectively fixedly provided with a rotary drum 13, the bottoms of the two sides of the inner cavity of the workbench 1 are respectively fixedly provided with an electric push rod 14, the two adjusting plates 4 are respectively in transmission connection with the two electric push rods 14 through output shafts, the two sides of the top part of the workbench 1 are respectively fixedly provided with a support plate 15, the insides of the two rotary drums 13 are respectively provided with a screw 16, the top ends of the screw 16 are welded with the support plates 15, the screw 16 is in threaded connection with the rotary drums 13, and the top parts of the support plates 15 are fixedly provided with a;
further, in the above technical scheme, two ends of the shaft lever 2 are respectively movably connected with two side walls of the workbench 1 through bearings, a motor cover is arranged outside the motor 3, and the motor cover is detachably connected with the workbench 1 through screws, so that the motor 3 is effectively protected through the arranged motor cover;
further, in the above technical solution, two first driving bevel gears 5 and two second driving bevel gears 6 are provided, and the two first driving bevel gears 5 are distributed in central symmetry with respect to the shaft rod 2, the two second driving bevel gears 6 are distributed in central symmetry with respect to the shaft rod 2, and the first driving bevel gears 5 and the second driving bevel gears 6 are distributed in central symmetry with respect to the adjusting plate 4, so as to facilitate adjustment and use;
further, in the above technical solution, a connecting rod 7 is fixedly arranged on the adjacent side of the first driving bevel gear 5 and the second driving bevel gear 6, a T-shaped block is fixedly arranged at the end of the connecting rod 7, the connecting rod 7 is movably connected with the adjusting plate 4 through the T-shaped block, annular grooves are arranged on both sides of the adjusting plate 4, the longitudinal section of each annular groove is in a T-shaped design, the T-shaped block is matched with the annular groove, the connecting rod 7 is prevented from being separated from the adjusting plate 4 through the arranged T-shaped block, and the connecting rod 7 is convenient to move on the adjusting plate 4 along with the annular grooves, so that the first driving bevel gear 5 and the second driving bevel gear 6 can rotate on the adjusting plate 4;
further, in the above technical solution, the number of the rotating rods 9 and the number of the exhaust fans 10 are two, the two rotating rods 9 are movably connected with the workbench 1 through bearings, the two exhaust fans 10 are arranged in a staggered manner, the top of the workbench 1 is provided with an air port corresponding to the position of the exhaust fan 10, and the exhaust fan is convenient for upward transmission of air flow through the arranged air port;
further, in the above technical solution, slide rails 11 are fixedly arranged on both sides of the shaft lever 2, the first driving bevel gear 5 and the second driving bevel gear 6 are slidably connected to the shaft lever 2 through the slide rails, the two adjusting plates 4 are movably connected to the shaft lever 2 through bearings, the first driving bevel gear 5 and the second driving bevel gear 6 can slide on the shaft lever 2 through the slide bars 11, the shaft lever 2 can drive the first driving bevel gear 5 and the second driving bevel gear 6 to rotate, and the bearing arranged inside the adjusting plate 4 can place the adjusting plate 4 to rotate along with the shaft lever 2;
further, in the above technical solution, the two electric push rods 14 are distributed in central symmetry about the workbench 1, and the two electric push rods 14 are arranged oppositely, and both the two electric push rods 14 are fixedly connected with the workbench 1 through the reinforcing rib, so that the electric push rods 14 are effectively reinforced through the arranged reinforcing rib;
further, in the above technical solution, a protection cover 18 is fixedly arranged at the top of the workbench 1, the placing cabinet 17 is embedded in the protection cover 18, the placing cabinet 17 is slidably connected with the protection cover 18, and the placing cabinet 17 is effectively protected by the protection cover 18;
further, in the above technical solution, a ventilator 19 is fixedly arranged at the top of the back side of the inner cavity of the protective cover 18, a baffle is fixedly arranged on the side surface of the top of the placing cabinet 17, and ventilation of the ventilation cabinet is facilitated by the arranged ventilator 19;
further, in above-mentioned technical scheme, the bottom of workstation 1 is equipped with four universal wheels, and four the universal wheel all passes through the screw with workstation 1 and can dismantle the connection, four the universal wheel sets up respectively in four base angle departments of workstation 1, the universal wheel through setting up is convenient for the removal of workstation 1.
Example 1: the workbench 1 is horizontally arranged through a universal wheel, the placing cabinet 17 can be used for placing experimental articles, the fan 19, the motor 3 and the electric push rods 14 are electrically connected with an external distribution box through cables, when the device is used, the operation of the two electric push rods 14 is controlled, the electric push rods 14 drive the two adjusting plates 4 to move towards two sides of the shaft rod 2, so that the two second driving bevel gears 6 are meshed with the two second driven bevel gears 12, the motor 3 is controlled to operate at the moment, the motor 3 drives the shaft rod 2 to rotate, the shaft rod 2 drives the two second driving bevel gears 6 to rotate, the two second driving bevel gears 6 rotate through the two second driven bevel gears 12, the two driven bevel gears 12 drive the two rotary drums 13 to rotate, because the screw 16 is in threaded connection with the rotary drums 13, when the rotary drums 13 rotate clockwise, the two rotary drums 13 drive the supporting plate 15 to move upwards through, the two rotary drums 13 drive the supporting plate 15 to move downwards through the screw 16, the height position of the placing cabinet 17 is changed, so that the working space of the workbench 1 is changed, the rotary drums are convenient for people with different heights to use, after the rotary drums are properly adjusted, the two electric push rods 14 are controlled to run reversely, the electric push rods 14 drive the two first driving bevel gears 5 to move towards the middle of the shaft rod 2, the two first driving bevel gears 5 are meshed with the two first driven bevel gears 8, the motor 3 is controlled to run at the moment, the two exhaust fans 10 can be driven to rotate to generate air flow, the air flow moves to the upper part of the workbench 1 through the air ports, the ventilation speed at the top of the workbench 1 is accelerated by matching with the air exchanging fan 19, the ventilation cabinet has the functions of lifting and double ventilation, the application range is wide, the ventilation speed is high, the ventilation speed is designed to be movable, easily promote, this embodiment has specifically solved fume chamber among the prior art problem that the regulation of being inconvenient for and service function are few.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A novel laboratory fume chamber, includes workstation (1), its characterized in that: the center of an inner cavity of the workbench (1) is movably provided with a shaft rod (2), one side of the workbench (1) is fixedly provided with a motor (3), the shaft rod (2) is in transmission connection with the motor (3) through an output shaft, two sides of the shaft rod (2) are respectively provided with an adjusting plate (4), the two adjusting plates (4) are respectively in sliding connection with the shaft rod (2), one side close to the two adjusting plates (4) is respectively and movably provided with a first driving bevel gear (5), one side far away from the two adjusting plates (4) is respectively and movably provided with a second driving bevel gear (6), and the first driving bevel gear (5) and the second driving bevel gear (6) are respectively in sliding connection with the shaft rod (2);
two first driven bevel gears (8) are arranged between the two first driving bevel gears (5), the two first driven bevel gears (8) are respectively meshed with the two first driving bevel gears (5), rotating rods (9) are fixedly arranged at the tops of the two first driven bevel gears (8), the rotating rods (9) are movably connected with the workbench (1), and exhaust fans (10) are fixedly arranged on the outer sides of the tops of the rotating rods (9);
the tops of the two second driving bevel gears (6) are respectively provided with a second driven bevel gear (12), the two second driven bevel gears (12) are respectively meshed with the two second driving bevel gears (6), the tops of the two second driven bevel gears (12) are both fixedly provided with a rotating cylinder (13), electric push rods (14) are fixedly arranged at the bottoms of the two sides of the inner cavity of the workbench (1), and the two adjusting plates (4) are respectively in transmission connection with two electric push rods (14) through output shafts, supporting plates (15) are fixedly arranged on two sides of the top of the workbench (1), screw rods (16) are arranged in the two rotary drums (13), the top ends of the screw rods (16) are welded with the supporting plates (15), and the screw rod (16) is in threaded connection with the rotary drum (13), and a placing cabinet (17) is fixedly arranged at the top of the supporting plate (15).
2. A novel laboratory fume hood according to claim 1, characterized in that: the two ends of the shaft lever (2) are respectively movably connected with the two side walls of the workbench (1) through bearings, a motor cover is arranged on the outer side of the motor (3), and the motor cover is detachably connected with the workbench (1) through screws.
3. A novel laboratory fume hood according to claim 1, characterized in that: the two first driving bevel gears (5) and the two second driving bevel gears (6) are arranged in a symmetrical mode, the two first driving bevel gears (5) are distributed in a central symmetry mode around the shaft rod (2), the two second driving bevel gears (6) are distributed in a symmetrical mode around the shaft rod (2), and the first driving bevel gears (5) and the second driving bevel gears (6) are distributed in a symmetrical mode around the adjusting plate (4).
4. A novel laboratory fume hood according to claim 1, characterized in that: close one side of first initiative bevel gear (5) and second initiative bevel gear (6) all is fixed and is equipped with connecting rod (7), the fixed T-shaped piece that is equipped with in tip of connecting rod (7), just connecting rod (7) pass through T-shaped piece swing joint with regulating plate (4), the both sides of regulating plate (4) all are equipped with the ring channel, the longitudinal section of ring channel is the T design that appears, just T-shaped piece and ring channel looks adaptation.
5. A novel laboratory fume hood according to claim 1, characterized in that: bull stick (9) and exhaust fan (10) all set up to two, and two bull stick (9) all pass through bearing swing joint, two with workstation (1) be the setting of staggering mutually between exhaust fan (10), the wind gap corresponding with exhaust fan (10) position is seted up at the top of workstation (1).
6. A novel laboratory fume hood according to claim 1, characterized in that: slide rails (11) are fixedly arranged on two sides of the shaft rod (2), the first driving bevel gear (5) and the second driving bevel gear (6) are slidably connected with the shaft rod (2) through the slide rails, and the two adjusting plates (4) are movably connected with the shaft rod (2) through bearings.
7. A novel laboratory fume hood according to claim 1, characterized in that: two electric putter (14) are central symmetry distribution about workstation (1), and two be relative setting between electric putter (14), two electric putter (14) all pass through strengthening rib fixed connection with workstation (1).
8. A novel laboratory fume hood according to claim 1, characterized in that: the top of workstation (1) is fixed to be equipped with protection casing (18), just place cabinet (17) embedding and set up in protection casing (18), place cabinet (17) and protection casing (18) sliding connection.
9. A novel laboratory fume hood according to claim 8, characterized in that: the dorsal part top of protection casing (18) inner chamber is fixed and is equipped with fan (19), the top side of placing cabinet (17) is fixed and is equipped with the baffle.
10. A novel laboratory fume hood according to claim 1, characterized in that: the bottom of workstation (1) is equipped with four universal wheels, and four the universal wheel all passes through the screw with workstation (1) and can dismantle the connection, four the universal wheel sets up four base angle departments at workstation (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453401.8A CN111632984B (en) | 2020-05-26 | 2020-05-26 | Novel laboratory fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453401.8A CN111632984B (en) | 2020-05-26 | 2020-05-26 | Novel laboratory fume chamber |
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| Publication Number | Publication Date |
|---|---|
| CN111632984A true CN111632984A (en) | 2020-09-08 |
| CN111632984B CN111632984B (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010453401.8A Active CN111632984B (en) | 2020-05-26 | 2020-05-26 | Novel laboratory fume chamber |
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| Country | Link |
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| CN (1) | CN111632984B (en) |
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| CN112816223A (en) * | 2020-12-31 | 2021-05-18 | 格源动力有限公司 | Test bed for testing electric drive axle |
| CN113197431A (en) * | 2021-04-25 | 2021-08-03 | 登峰造极智能家居(上海)有限公司 | User-defined space wardrobe |
| CN113751455A (en) * | 2021-11-08 | 2021-12-07 | 淄博豪迈实验室装备有限公司 | Low-carbon emission-reducing type low-air-volume intelligent laboratory ventilation equipment |
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| CN112816223A (en) * | 2020-12-31 | 2021-05-18 | 格源动力有限公司 | Test bed for testing electric drive axle |
| CN113197431A (en) * | 2021-04-25 | 2021-08-03 | 登峰造极智能家居(上海)有限公司 | User-defined space wardrobe |
| CN113751455A (en) * | 2021-11-08 | 2021-12-07 | 淄博豪迈实验室装备有限公司 | Low-carbon emission-reducing type low-air-volume intelligent laboratory ventilation equipment |
| CN113751455B (en) * | 2021-11-08 | 2022-02-08 | 淄博豪迈实验室装备有限公司 | Low-carbon emission-reducing type low-air-volume intelligent laboratory ventilation equipment |
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| Publication number | Publication date |
|---|---|
| CN111632984B (en) | 2022-02-11 |
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