CN214949677U

CN214949677U - Air curtain type exhaust device

Info

Publication number: CN214949677U
Application number: CN202121211162.1U
Authority: CN
Inventors: 陆海民
Original assignee: Wujiang Haicheng Purification Equipment Co ltd
Current assignee: Wujiang Haicheng Purification Equipment Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-30
Anticipated expiration: 2031-06-01

Abstract

The application discloses an air curtain type exhaust device, which comprises a cabinet body, an adjusting mechanism and an air curtain mechanism; the air curtain mechanism includes the exhaust hood, equal fixedly connected with air curtain device all around of exhaust hood diapire, air curtain device bottom mounting is equipped with the air curtain wind gap, air curtain wind gap evenly distributed is in air curtain device bottom, the internal fixed cover joint board that has connect in air curtain device below that is located of cabinet, the equal fixedly connected with air supplement device all around of cover joint board, all fixed being equipped with the air supplement port on the air supplement device, air supplement port evenly distributed is on the air supplement device. This application is discharged air downwards through the air curtain wind gap on the air curtain device, produces top-down's air curtain, and the air curtain is with spaced apart between the cabinet body and the gas in laboratory, mends the wind through the air supplement port on the tonifying wind device that sets up, reduces the volume of airing exhaust of air curtain device, drives outside air through exhaust fan work and circulates downwards to discharge harmful gas to the outside air in through collecting pipe and the blast pipe on the cup joint pipe.

Description

Air curtain type exhaust device

Technical Field

The application relates to the field of ventilation equipment, in particular to an air curtain type exhaust device.

Background

The air curtain machine is a strong air flow generated by driving a through-flow or centrifugal wind wheel through a high-speed motor so as to form an air purification device with an invisible door curtain, and is also called as an air curtain machine, an air curtain machine, an air brake and an air door.

When harmful gas in a laboratory is exhausted, the harmful gas needs to be conveyed to the outside of the laboratory through a pipeline, but in the process of exhausting the gas, part of the gas is possibly scattered outside the exhaust device, so that the gas in the laboratory is polluted. Therefore, an air curtain type exhaust device is provided to solve the above problems.

Disclosure of Invention

The air curtain type exhaust device is provided in the embodiment and used for solving the problem of diffusion when toxic gas in the prior art is discharged.

According to one aspect of the application, an air curtain type exhaust device is provided, which comprises a cabinet body, an adjusting mechanism and an air curtain mechanism;

the air curtain mechanism includes the exhaust hood, equal fixedly connected with air curtain device all around of exhaust hood diapire, air curtain device bottom mounting is equipped with the air curtain wind gap, air curtain wind gap evenly distributed is in air curtain device bottom, the internal fixed cover joint board that has connect in air curtain device below of cabinet, the equal fixedly connected with air supplement device all around of cover joint board, all fixed being equipped with the air supplement port on the air supplement device, air supplement port evenly distributed is on the air supplement device, the fixed cover of cover joint board has two collecting pipes, two the equal fixed connection of the collecting pipe other end is on same blast pipe, the blast pipe other end extends to cabinet body top after running through cabinet body side wall, the fixed cover has connect the fixed block on the blast pipe, fixed block fixed connection is on cabinet body side wall.

Further, a cabinet door is arranged on the front wall of the cabinet body, and the cabinet door is made of transparent glass.

Furthermore, the air supplementing opening and the air curtain opening are distributed correspondingly.

Further, the fixed case of fixedly connected with in the exhaust hood, the fixedly connected with exhaust fan in the fixed case, fixed being equipped with a plurality of through-holes on the fixed case lateral wall.

Further, adjustment mechanism includes the connecting pipe, the fixed plate has been cup jointed to the connecting pipe internal fixation, it has the dwang to slide to run through on the connecting pipe right side wall, dwang left end fixed connection is on the rotor plate, connecting pipe right side wall is located the fixed fluting that is equipped with in dwang department, fixed plate and rotor plate overlap joint are in the same place, all fixedly on fixed plate and the rotor plate be equipped with the air vent.

Further, the rotating plate is fixedly connected with a sliding block on the left side, the sliding block is connected to a fixed sliding groove in a sliding mode, and the fixed sliding groove is fixedly arranged on the left side wall of the connecting pipe.

Through the above-mentioned embodiment of this application, adopted air curtain mechanism, the problem of diffusion when having solved toxic gas emission has improved exhaust gas's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

FIG. 4 is a schematic top view of a connection at a connection tube according to an embodiment of the present application.

In the figure: 1. the cabinet body, 2, fixed case, 3, connecting pipe, 4, exhaust fan, 5, exhaust hood, 6, fixed block, 7, blast pipe, 8, collecting duct, 9, cup joint board, 10, mend wind device, 11, cabinet door, 12, air curtain wind gap, 13, air curtain device, 14, fixed plate, 15, dwang, 16, rotor plate, 17, slider, 18, fixed spout, 19, fluting, 20, mend the wind gap.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The air exhaust device in this embodiment can be applied to various fume hoods, for example, the following fume hood is provided in this embodiment, and the air exhaust device in this embodiment can be used for the following fume hood.

The ventilation cabinet comprises a cabinet body, wherein an air outlet pipe communicated with the inside of the cabinet body is installed at the top of the cabinet body, and an operation plate is installed between the inner walls of the cabinet body; a glass plate which is arranged between the inner walls of the cabinet body in a sliding mode is arranged above the operating plate, the glass plate is arranged in the same mode as the traditional glass plate, and a limiting assembly for limiting the relative position of the glass plate is mounted on the cabinet body;

the top of the cabinet body is provided with an audible and visual alarm responding to the height of the glass plate, when the opening degree of the glass plate is larger, the audible and visual alarm gives an alarm, and the operation plate is provided with an alarm switch for controlling the audible and visual alarm and is used for turning off the alarm given by the audible and visual alarm; the inner wall of the back surface of the cabinet body is provided with a vertical guide plate, and the top of the vertical guide plate is connected with an inclined guide plate which is fixed on the inner top surface of the cabinet body through a fixing piece; notches are formed in the middle and two sides of the inclined guide plate; the vertical guide plate is fixed on the inner wall of the rear side of the cabinet body through bolts, a plurality of openings are formed in the vertical guide plate, the openings comprise horizontally arranged rectangular holes and L-shaped holes, the plurality of openings are arranged in such a way, the height of the vertical guide plate from the table top of the operation plate is cm (the height of other ventilation cabinets is larger), the wind speed of the table top is improved most effectively by testing the height, and the generated harmful gas can be effectively and quickly discharged in an arrangement mode of the openings; the limiting assembly is arranged in the mounting groove and comprises a spring and a limiting plate, the spring is connected between the limiting plate and the mounting groove, the limiting assembly is used for limiting the opening and closing degree of the glass plate, in order to meet the actual requirement, a cavity is formed between the inclined guide plate and the inner wall of the cabinet body, and the lower end of the air outlet pipe is communicated with the cavity; the mounting is formed by PP material die sinking suppression, the inclination of slope guide plate is the degree, and rather than the mutual cooperation of last notch make the fume chamber form more smooth and easy air current, because when the operation to the fume chamber, can produce the gas harmful to human body and environment, consequently can restrict the opening height of glass board through the restriction subassembly, make it be located the safety height below, avoid harmful gas excessive, produce the potential safety hazard.

Of course, the present embodiment can also be used for fume hoods with other structures. The details are not repeated here, and the air exhausting device of the embodiment of the application is introduced below.

Referring to fig. 1-4, an air curtain type exhaust device includes a cabinet 1, an adjusting mechanism and an air curtain mechanism;

the air curtain mechanism comprises an exhaust hood 5, air curtain devices 13 are fixedly connected to the periphery of the bottom wall of the exhaust hood 5, air curtain air ports 12 are fixedly arranged at the bottom ends of the air curtain devices 13, the air curtain air ports 12 are uniformly distributed at the bottom ends of the air curtain devices 13, a sleeving plate 9 is fixedly sleeved in the cabinet body 1 below the air curtain devices 13, air supplementing devices 10 are fixedly connected to the periphery of the sleeving plate 9, air supplementing ports 20 are fixedly arranged on the air supplementing devices 10, the air supplementing ports 20 are uniformly distributed on the air supplementing devices 10, two air collecting pipes 8 are fixedly sleeved on the sleeving plate 9, the other ends of the two air collecting pipes 8 are fixedly connected to the same exhaust pipe 7, the other end of the exhaust pipe 7 penetrates through the side wall of the cabinet body 1 and then extends to the upper portion of the cabinet body 1, a fixing block 6 is fixedly sleeved on the exhaust pipe 7, and the fixing block 6 is fixedly connected to the side wall of the cabinet body 1, the air curtain device 13 is convenient to reduce the air exhaust amount through the matching between the air curtain device 13 and the air supplement device 10, and the efficiency is improved.

A cabinet door 11 is arranged on the front wall of the cabinet body 1, and the cabinet door 11 is made of transparent glass, so that the inside of the cabinet body 1 can be observed conveniently; the air supply ports 20 and the air curtain ports 12 are distributed correspondingly, so that the air discharge amount of the air curtain device 13 is reduced conveniently; a fixed box 2 is fixedly connected in the exhaust hood 5, an exhaust fan 4 is fixedly connected in the fixed box 2, and a plurality of through holes are fixedly formed in the side wall of the fixed box 2, so that the air supplement speed is accelerated; the adjusting mechanism comprises a connecting pipe 3, a fixed plate 14 is fixedly sleeved in the connecting pipe 3, a rotating rod 15 penetrates through the right side wall of the connecting pipe 3 in a sliding manner, the left end of the rotating rod 15 is fixedly connected to a rotating plate 16, a groove 19 is fixedly formed in the position, located at the rotating rod 15, of the right side wall of the connecting pipe 3, the fixed plate 14 and the rotating plate 16 are in lap joint, and vent holes are fixedly formed in the fixed plate 14 and the rotating plate 16, so that the air supplementing quantity can be conveniently adjusted by rotating the position of the rotating plate 16; the left side of the rotating plate 16 is fixedly connected with a sliding block 17, the sliding block 17 is connected to a fixed sliding groove 18 in a sliding mode, the fixed sliding groove 18 is fixedly arranged on the left side wall of the connecting pipe 3, and the rotating plate 16 is convenient to move more stably.

When the utility model is used, the electrical components in the application are externally connected with a power supply and a control switch when in use, the air curtain device 13 is opened, air is exhausted downwards through the air curtain air port 12 on the air curtain device 13 to generate an air curtain from top to bottom, the air curtain separates the cabinet body 1 from the gas in a laboratory, air is supplemented through the air supplementing port 20 on the arranged air supplementing device 10, the exhaust volume of the air curtain device 13 is reduced, the external air is driven to circulate downwards through the work of the exhaust fan 4, thereby harmful gas is discharged to the external air through the gas collecting pipe 8 and the exhaust pipe 7 on the sleeve pipe, through rotating the rotating rod 15, the rotating rod 15 slides on the groove 19 on the side wall of the connecting pipe 3 to drive the rotating plate 16 to rotate, the slide block 17 at the left end of the rotating plate 16 slides on the fixed chute 18, so that the rotating plate 16 rotates more stably, through adjusting the air vent overlapping area between the rotating plate 16 and the fixed plate 14, the air supplement quantity can be conveniently adjusted.

The application has the advantages that:

1. the air curtain device is used for exhausting air downwards through an air curtain air port on the air curtain device to generate an air curtain from top to bottom, the air curtain separates the cabinet body from gas in a laboratory, air is supplemented through an air supplementing port on the arranged air supplementing device to reduce the air exhausting amount of the air curtain device, and external air is driven to flow downwards through the work of the exhaust fan, so that harmful gas is exhausted into the external air through a gas collecting pipe and an exhaust pipe on the sleeve pipe;

2. this application is through rotating the dwang, and the dwang slides on the fluting of connecting pipe lateral wall, drives the rotor plate and rotates, and the slider of rotor plate left end slides on fixed spout, through adjusting the air vent overlap area between rotor plate and the fixed plate, is convenient for adjust the air supply volume.

The exhaust fan 4 is an exhaust fan of 1380 type and its associated power supply and circuitry.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides an air curtain formula exhaust device which characterized in that: comprises a cabinet body (1), an adjusting mechanism and an air curtain mechanism;

the air curtain mechanism comprises an exhaust hood (5), air curtain devices (13) are fixedly connected to the periphery of the bottom wall of the exhaust hood (5), air curtain air ports (12) are fixedly arranged at the bottom ends of the air curtain devices (13), the air curtain air ports (12) are uniformly distributed at the bottom ends of the air curtain devices (13), a sleeving plate (9) is fixedly sleeved below the air curtain devices (13) in the cabinet body (1), air supplementing devices (10) are fixedly connected to the periphery of the sleeving plate (9), air supplementing ports (20) are fixedly arranged on the air supplementing devices (10), the air supplementing ports (20) are uniformly distributed on the air supplementing devices (10), two gas collecting pipes (8) are fixedly sleeved on the sleeving plate (9), the other ends of the two gas collecting pipes (8) are fixedly connected to the same exhaust pipe (7), the other end of the exhaust pipe (7) penetrates through the side wall of the cabinet body (1) and then extends to the upper portion of the cabinet body (1), the exhaust pipe (7) is fixedly sleeved with a fixing block (6), and the fixing block (6) is fixedly connected to the side wall of the cabinet body (1).

2. An air curtain exhaust device according to claim 1, characterised in that: a cabinet door (11) is arranged on the front wall of the cabinet body (1), and the cabinet door (11) is made of transparent glass.

3. An air curtain exhaust device according to claim 1, characterised in that: the air supplementing opening (20) and the air curtain opening (12) are distributed correspondingly.

4. An air curtain exhaust device according to claim 1, characterised in that: fixedly connected with stationary box (2) in exhaust hood (5), fixedly connected with exhaust fan (4) in stationary box (2), the fixed a plurality of through-holes that are equipped with on stationary box (2) lateral wall.

5. An air curtain exhaust device according to claim 1, characterised in that: adjustment mechanism includes connecting pipe (3), fixed cover has been connect fixed plate (14) in connecting pipe (3), it has dwang (15) to slide to run through on connecting pipe (3) right side wall, dwang (15) left end fixed connection is on rotor plate (16), connecting pipe (3) right side wall is located dwang (15) and locates to fix and to be equipped with fluting (19), fixed plate (14) and rotor plate (16) overlap joint are in the same place, all fixed being equipped with the air vent on fixed plate (14) and rotor plate (16).

6. An air curtain exhaust device as claimed in claim 5, wherein: the left side of the rotating plate (16) is fixedly connected with a sliding block (17), the sliding block (17) is connected to a fixed sliding groove (18) in a sliding mode, and the fixed sliding groove (18) is fixedly arranged on the left side wall of the connecting pipe (3).