CN112296054A - Fume chamber is used in laboratory convenient to use - Google Patents
Fume chamber is used in laboratory convenient to use Download PDFInfo
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- CN112296054A CN112296054A CN202011293605.6A CN202011293605A CN112296054A CN 112296054 A CN112296054 A CN 112296054A CN 202011293605 A CN202011293605 A CN 202011293605A CN 112296054 A CN112296054 A CN 112296054A
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- protective shell
- shell body
- fixing
- laboratory
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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 invention discloses a convenient-to-use laboratory fume hood which comprises a protective shell body, a ventilating fan body arranged in the protective shell body, an installation frame arranged at the joint of the ventilating fan body and the protective shell body, a protective door body hinged to the front end face of the protective shell body, a sealing frame arranged at the joint of the protective door body and the protective shell body, a connecting wing edge arranged on the periphery of the protective door body, a fixing assembly arranged between the connecting wing edge and the protective shell body and a connecting plate arranged at the peripheral corner of the rear end face of the protective shell body. The laboratory ventilation cabinet convenient to use is convenient for installing the ventilation fan body through the installation frame and protecting the ventilation fan body through the protection door body, so that the working quality of the ventilation fan body is effectively improved.
Description
Technical Field
The invention relates to the technical field of fume hoods, in particular to a fume hood convenient to use for a laboratory.
Background
The ventilation system of the laboratory is set according to the principle of separately discharging toxic and non-toxic substances and separately discharging organic substances and inorganic substances. According to the actual situation of laboratories of various schools, each laboratory air exhaust system is basically independently arranged, and a small number of laboratory air exhaust systems are connected in parallel in a plurality of rooms with the same layer and the same function; the laboratory ventilation design has the fume chamber of experiment usefulness to air exhaust and air exhaust two kinds at ordinary times indoors, the fume chamber discharges the harmful gas (foul smell, moisture and easily fire, explosive, corrosive gas) that produces in the experiment, the fume chamber is as the auxiliary assembly of laboratory bench before, and the experiment of going on the laboratory bench has gradually shifted to in the fume chamber at present, use increasing of table number, just require the fume chamber to have the function that is most suitable for the experiment to use, require the fume chamber to have the emission function, little refluence function, the isolation function, the air supplement function etc. not only provide comfortable operational environment, reduce the possibility that personnel expose under the hazardous air, still guarantee that the staff's is healthy, do not cause the injury. Fume hoods come in many categories, including central laboratories, side units, pharmaceutical cabinets, ware cabinets, etc., and are among the most important laboratory devices. But it is not the only indoor air exhaust device, the laboratory also has the ordinary air exhaust outlet, arrange above the instrument room or instrument producing hazardous material;
the inventor of the invention finds that the fume hood for the laboratory in the prior art has a simple structure and a single use mode due to the design characteristics of the fume hood, and is inconvenient for ventilating the laboratory in real time in the actual use process, so that the stable working environment in the laboratory is reduced, and various use requirements on the fume hood for the laboratory at present cannot be met;
therefore, the laboratory fume hood convenient to use is provided.
Disclosure of Invention
The invention aims to provide a convenient-to-use laboratory fume hood, and aims to solve the problems that the prior laboratory fume hood has a simple structure and a single use mode due to the design characteristics, and is inconvenient to ventilate a laboratory in real time in the actual use process, so that the stable working environment in the laboratory is reduced, and various use requirements of the prior laboratory fume hood cannot be met.
In order to achieve the purpose, the invention is realized by the following technical scheme: a convenient-to-use laboratory fume hood comprises a protective shell body, a ventilating fan body arranged in the protective shell body, an installation frame arranged at the joint of the ventilating fan body and the protective shell body, a protective door body hinged to the front end face of the protective shell body, a sealing frame arranged at the joint of the protective door body and the protective shell body, a connecting wing edge arranged on the periphery of the protective door body, a fixing assembly arranged between the connecting wing edge and the protective shell body and a connecting plate arranged at the peripheral edge of the rear end face of the protective shell body;
the fixing component comprises a fixing wing plate connected with the protective shell body, a fixing nut arranged at the end, far away from the end connected with the protective shell body, of the fixing wing plate, a limiting baffle connected with the protective door body and a connecting bolt arranged at the connecting position of the limiting baffle and the fixing wing plate.
By adopting the technical scheme, the ventilating fan body is convenient to install through the installation frame, and is convenient to protect through the protection door body, so that the working quality of the ventilating fan body is effectively improved;
preferably, the inner wall of the installation frame is tangent to the periphery of the ventilating fan body, and the installation frame and the ventilating fan body are hollow.
By adopting the technical scheme, the ventilating fan body is protected conveniently through the mounting frame, and the use quality of the ventilating fan body is effectively improved;
the preferred, the inboard setting of installing frame and protective housing body, and the installing frame is connected through first set screw with the protective housing body, be provided with the screw hole with first set screw looks adaptation on the protective housing body.
By adopting the technical scheme, the mounting frame is convenient to fix through the first fixing screw, so that the stability of connection between the mounting frame and the protective shell body is effectively improved;
preferably, the periphery of the ventilating fan body is connected with the mounting frame through second fixing screws, and mounting holes matched with the second fixing screws are formed in the mounting frame.
By adopting the technical scheme, the second fixing screw is conveniently fixed through the mutual complementary action between the mounting hole and the second fixing screw, so that the connection stability of the second fixing screw and the mounting frame is effectively improved;
preferably, the inner side of the connecting wing edge is fixedly connected with the protective door body, the connecting wing edge and the protective door body are perpendicular to each other, and the periphery of the connecting wing edge is a smooth arc surface.
By adopting the technical scheme, the stability of connection with the protective shell through the connecting wing edges is further facilitated;
preferably, the fixing nut is fixedly connected with the fixing wing plate, the connecting bolt penetrates through the limiting baffle plate and is connected with the fixing nut, and a through hole matched with the fixing nut is formed in the fixing wing plate.
By adopting the technical scheme, the limit baffle plate and the fixed wing plate are conveniently connected through the mutual complementary action between the fixing nut and the connecting bolt, so that the connection stability of the protective door body and the protective shell body is effectively ensured, and the threaded structure has the characteristic of convenience in disassembly and assembly, so that the ventilating fan body is convenient to overhaul in real time;
preferably, the installation frame is provided with a first sealing washer at the joint of the second fixing screw and the installation frame, one side of the first sealing washer is tangent to the installation frame, and the other side of the second sealing washer is tangent to the second fixing screw.
By adopting the technical scheme, the stability of connection between the second fixing screw and the mounting frame is effectively ensured through the first sealing washer;
preferably, in addition, the device also comprises a second sealing washer arranged at the joint of the connecting bolt and the limiting baffle, the second sealing washer is connected with the limiting baffle through a polymer adhesive, and the second sealing washer is arranged in the middle of the through hole.
Through adopting above-mentioned technical scheme, and then be convenient for lead connecting bolt through second seal ring, and be convenient for through the effectual stability of having guaranteed connecting bolt and limit baffle of second seal ring and being connected.
Compared with the prior art, the invention has the beneficial effects that: the invention has the characteristics of reasonable design and simple operation, and the convenient-to-use laboratory fume hood comprises a protective shell body, a ventilating fan body arranged in the protective shell body, an installation frame arranged at the joint of the ventilating fan body and the protective shell body, a protective door body hinged on the front end surface of the protective shell body, a sealing frame arranged at the joint of the protective door body and the protective shell body, a connecting wing edge arranged on the periphery of the protective door body, a fixing assembly arranged between the connecting wing edge and the protective shell body and connecting plates arranged at the peripheral corners of the rear end surface of the protective shell body, and then be convenient for install the ventilating fan body through the installing frame, and be convenient for protect the ventilating fan body through the protection door body, and then the effectual operating mass who improves the ventilating fan body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view in partial cross-section of the overall structure of a laboratory fume hood of the present invention for ease of use;
FIG. 2 is a schematic view of an enlarged view at A of FIG. 1 in a laboratory fume hood for ease of use in accordance with the present invention;
FIG. 3 is a schematic view of the fan body of a fume hood for a laboratory, according to the present invention, as installed;
FIG. 4 is a schematic structural view of the overall structure of a laboratory fume hood of the present invention;
fig. 5 is a schematic view of an enlarged view at B of fig. 4 in a laboratory fume hood for convenient use according to the present invention.
In the figure: 1-a protective shell body, 2-a connecting plate, 3-a protective door body, 31-a connecting wing edge, 4-a sealing frame, 5-a ventilating fan body, 6-an installation frame, 7-a first fixing screw, 8-a second fixing screw, 81-a first sealing washer, 9-an installation hole, 10-a fixed wing plate, 101-a fixing nut, 11-a limiting baffle, 12-a connecting bolt and 121-a second sealing washer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: a convenient-to-use laboratory fume hood comprises a protective shell body 1, a ventilating fan body 5 arranged in the protective shell body 1, an installation frame 6 arranged at the joint of the ventilating fan body 5 and the protective shell body 1, a protective door body 3 hinged to the front end face of the protective shell body 1, a sealing frame 4 arranged at the joint of the protective door body 3 and the protective shell body 1, a connecting wing edge 31 arranged at the periphery of the protective door body 3, a fixing assembly arranged between the connecting wing edge 31 and the protective shell body 1 and a connecting plate 2 arranged at the peripheral corner of the rear end face of the protective shell body 1, so that the ventilating fan body 5 can be installed through the installation frame 6, the ventilating fan body 5 can be protected through the protective door body 3, and the working quality of the ventilating fan body 5 is effectively improved;
referring to fig. 1, 2, 3, 4 and 5, the inner wall of the mounting frame 6 is tangential to the periphery of the ventilating fan body 5, and the mounting frame 6 and the ventilating fan body 5 are hollow, so that the ventilating fan body 5 is protected by the mounting frame 6, and the use quality of the ventilating fan body 5 is effectively improved;
referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the mounting frame 6 is disposed on the inner side of the protective casing body 1, the mounting frame 6 is connected with the protective casing body 1 through a first fixing screw 7, and the protective casing body 1 is provided with a threaded hole adapted to the first fixing screw 7, so that the mounting frame 6 is conveniently fixed through the first fixing screw 7, and the stability of the connection between the mounting frame 6 and the protective casing body 1 is effectively improved;
referring to fig. 1, 2, 3, 4 and 5, the periphery of the ventilating fan body 5 is connected with the mounting frame 6 through the second fixing screws 8, and the mounting frame 6 is provided with the mounting holes 9 matched with the second fixing screws 8, so that the second fixing screws 8 can be conveniently fixed through the mutual complementary action between the mounting holes 9 and the second fixing screws 8, and the stability of the connection between the second fixing screws 8 and the mounting frame 6 is effectively improved;
referring to fig. 1, 2, 3, 4 and 5, the inner side of the connecting wing edge 31 is fixedly connected to the protective door 3, the connecting wing edge 31 is perpendicular to the protective door 3, and the outer periphery of the connecting wing edge 31 is a smooth arc surface, so as to facilitate the stability of connection with the protective shell through the connecting wing edge 31;
referring to fig. 1, 2, 3, 4 and 5, the fixing assembly includes a fixing wing plate 1010 connected to the protective shell body 1, a fixing nut 101 disposed at an end of the fixing wing plate 1010 far from the end connected to the protective shell body 1, a limiting baffle 11 connected to the protective door body 3, and a connecting bolt 12 disposed at a connecting portion of the limiting baffle 11 and the fixing wing plate 1010, the fixing nut 101 is fixedly connected to the fixing wing plate 1010, the connecting bolt 12 penetrates through the limiting baffle 11 and is connected to the fixing nut 101, and the fixing wing plate 1010 is provided with a through hole adapted to the fixing nut 101, so that the limiting baffle 11 and the fixing wing plate 1010 are conveniently connected by mutual complementary action between the fixing nut 101 and the connecting bolt 12, thereby effectively ensuring the stability of the connection between the protective door body 3 and the protective shell body 1, and the thread structure has the characteristic of convenient disassembly and assembly, thereby facilitating the real-time maintenance of the ventilating fan body 5;
referring to fig. 1, 2, 3, 4 and 5, a first sealing washer 81 is disposed at a connection position of the second fixing screw 8 and the mounting frame 6, one side of the first sealing washer 81 is disposed in a tangential manner with respect to the mounting frame 6, and the other side of the second sealing washer 121 is disposed in a tangential manner with respect to the second fixing screw 8, so that the stability of connection between the second fixing screw 8 and the mounting frame 6 is effectively ensured by the first sealing washer 81;
referring to fig. 1, 2, 3, 4 and 5, the connecting structure further includes a second sealing washer 121 disposed at a connection position of the connecting bolt 12 and the limiting baffle 11, the second sealing washer 121 is connected with the limiting baffle 11 through a polymer adhesive, and the second sealing washer 121 is disposed at a middle position of the through hole, so that the connecting bolt 12 is guided by the second sealing washer 121, and the stability of connection between the connecting bolt 12 and the limiting baffle 11 is effectively ensured by the second sealing washer 121.
The working principle is as follows: according to the invention, the protective shell body 1, the ventilating fan body 5 arranged in the protective shell body 1, the mounting frame 6 arranged at the connecting part of the ventilating fan body 5 and the protective shell body 1, the protective door body 3 hinged to the front end face of the protective shell body 1, the sealing frame 4 arranged at the connecting part of the protective door body 3 and the protective shell body 1, the connecting wing edge 31 arranged at the periphery of the protective door body 3, the fixing component arranged between the connecting wing edge 31 and the protective shell body 1 and the connecting plate 2 arranged at the peripheral edge of the rear end face of the protective shell body 1 are arranged, so that the ventilating fan body 5 can be conveniently mounted through the mounting frame 6, the ventilating fan body 5 can be conveniently protected through the protective door body 3, and the working quality of the ventilating fan body 5 is effectively improved.
The device that obtains through above-mentioned design has basically satisfied the laboratory fume chamber that improves among the prior art because its design characteristics itself, simple structure and using-way are single, in the use of reality, be not convenient for carry out real-time ventilation to the laboratory, and then reduced the stable operational environment in the laboratory to can't satisfy the use of the problem of the multiple user demand of fume chamber in laboratory at present, but at present further perfect the purpose of its function, the designer has carried out further improvement to the device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (8)
1. The utility model provides a fume chamber is used in laboratory convenient to use which characterized in that: the ventilating door comprises a protective shell body (1), a ventilating fan body (5) arranged in the protective shell body (1), an installation frame (6) arranged at the joint of the ventilating fan body (5) and the protective shell body (1), a protective door body (3) hinged to the front end face of the protective shell body (1), a sealing frame (4) arranged at the joint of the protective door body (3) and the protective shell body (1), a connecting wing edge (31) arranged on the periphery of the protective door body (3), a fixing assembly arranged between the connecting wing edge (31) and the protective shell body (1) and a connecting plate (2) arranged at the peripheral edge of the rear end face of the protective shell body (1);
the fixing assembly comprises fixing wing plates (10) and (10) connected with the protective shell body (1), fixing nuts (101) arranged at the positions, far away from one end connected with the protective shell body (1), of the fixing wing plates (10) and (10), limiting baffles (11) connected with the protective door body (3) and connecting bolts (12) arranged at the positions, connected with the fixing wing plates (10) and (10), of the limiting baffles (11).
2. The laboratory fume hood convenient to use according to claim 1, characterized in that the inner wall of the mounting frame (6) is arranged tangentially to the periphery of the ventilating fan body (5), and the mounting frame (6) and the ventilating fan body (5) are arranged in a hollow type.
3. The laboratory fume hood convenient to use according to claim 2, characterized in that the mounting frame (6) is arranged at the inner side of the protective shell body (1), the mounting frame (6) is connected with the protective shell body (1) through a first fixing screw (7), and the protective shell body (1) is provided with a threaded hole matched with the first fixing screw (7).
4. The laboratory fume hood convenient to use according to claim 3, wherein the periphery of the ventilating fan body (5) is connected with the mounting frame (6) through a second fixing screw (8), and the mounting frame (6) is provided with a mounting hole (9) matched with the second fixing screw (8).
5. The laboratory fume hood convenient to use according to claim 4, wherein the inner side of the connecting wing edge (31) is fixedly connected with the protective door body (3), the connecting wing edge (31) and the protective door body (3) are perpendicular to each other, and the periphery of the connecting wing edge (31) is a smooth arc surface.
6. The fume hood for the laboratory convenient to use as claimed in claim 5, wherein the fixing nut (101) is fixedly connected with the fixing wing plates (10) (10), the connecting bolt (12) penetrates through the limiting baffle plate (11) to be connected with the fixing nut (101), and through holes matched with the fixing nut (101) are formed in the fixing wing plates (10) (10).
7. The fume hood for the laboratory convenient to use according to claim 6, further comprising a first sealing washer (81) arranged at the joint of the second fixing screw (8) and the mounting frame (6), wherein one side of the first sealing washer (81) is arranged tangentially to the mounting frame (6), and the other side of the second sealing washer (121) is arranged tangentially to the second fixing screw (8).
8. The fume hood for the laboratory convenient to use as recited in claim 7, further comprising a second sealing gasket (121) disposed at the connection position of the connecting bolt (12) and the limiting baffle (11), wherein the second sealing gasket (121) is connected with the limiting baffle (11) through a high molecular adhesive, and the second sealing gasket (121) is disposed at the middle position of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293605.6A CN112296054A (en) | 2020-11-18 | 2020-11-18 | Fume chamber is used in laboratory convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293605.6A CN112296054A (en) | 2020-11-18 | 2020-11-18 | Fume chamber is used in laboratory convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112296054A true CN112296054A (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011293605.6A Pending CN112296054A (en) | 2020-11-18 | 2020-11-18 | Fume chamber is used in laboratory convenient to use |
Country Status (1)
| Country | Link |
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| CN (1) | CN112296054A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH667712A5 (en) * | 1985-10-02 | 1988-10-31 | Landis & Gyr Ag | Work station for providing a stabilized air temperature in a chamber. |
| CN101618388A (en) * | 2008-07-04 | 2010-01-06 | 弘泰钢铁股份有限公司 | Negative-pressure working platform |
| CN105195493A (en) * | 2014-06-29 | 2015-12-30 | 刘昕 | Wall-hanging type air exchanging device for experiment table |
| CN207709511U (en) * | 2017-11-17 | 2018-08-10 | 广州市九和工程有限公司 | A kind of vent cabinet |
| CN108994033A (en) * | 2018-06-26 | 2018-12-14 | 郑州诚合信息技术有限公司 | A kind of laboratory air interchanger based on computer technology |
| CN109346931A (en) * | 2018-12-21 | 2019-02-15 | 天长市福骏金属制品有限公司 | A kind of dust-extraction unit and low-voltage distribution cabinet for power distribution cabinet |
| CN210497592U (en) * | 2019-04-30 | 2020-05-12 | 扬州莱铂瑞实验设备有限公司 | Fume chamber of function is prevented falling in manual-automatic area |
| CN211613752U (en) * | 2019-12-31 | 2020-10-02 | 武汉八颗星生物科技有限公司 | Fume hood with auxiliary ventilation mechanism |
-
2020
- 2020-11-18 CN CN202011293605.6A patent/CN112296054A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH667712A5 (en) * | 1985-10-02 | 1988-10-31 | Landis & Gyr Ag | Work station for providing a stabilized air temperature in a chamber. |
| CN101618388A (en) * | 2008-07-04 | 2010-01-06 | 弘泰钢铁股份有限公司 | Negative-pressure working platform |
| CN105195493A (en) * | 2014-06-29 | 2015-12-30 | 刘昕 | Wall-hanging type air exchanging device for experiment table |
| CN207709511U (en) * | 2017-11-17 | 2018-08-10 | 广州市九和工程有限公司 | A kind of vent cabinet |
| CN108994033A (en) * | 2018-06-26 | 2018-12-14 | 郑州诚合信息技术有限公司 | A kind of laboratory air interchanger based on computer technology |
| CN109346931A (en) * | 2018-12-21 | 2019-02-15 | 天长市福骏金属制品有限公司 | A kind of dust-extraction unit and low-voltage distribution cabinet for power distribution cabinet |
| CN210497592U (en) * | 2019-04-30 | 2020-05-12 | 扬州莱铂瑞实验设备有限公司 | Fume chamber of function is prevented falling in manual-automatic area |
| CN211613752U (en) * | 2019-12-31 | 2020-10-02 | 武汉八颗星生物科技有限公司 | Fume hood with auxiliary ventilation mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210202 |