CN219766326U

CN219766326U - Demonstration fume chamber

Info

Publication number: CN219766326U
Application number: CN202320899999.2U
Authority: CN
Inventors: 赖厚新; 刘国华
Original assignee: Dongguan City Xinke Teaching Equipment Co ltd
Current assignee: Dongguan City Xinke Teaching Equipment Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-09-29
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of fume hoods, in particular to a demonstration fume hood. The technical proposal comprises: the cabinet body, ventilation window and show chamber, the internally mounted of the cabinet body has the baffle, the internal portion fixed mounting of cabinet of baffle one end has the front bezel, the internal portion of cabinet of baffle upper end has been seted up the chamber of taking a breath, the internal upper end fixed mounting of chamber of taking a breath has the draught fan, the internal movable mounting of chamber of taking a breath of draught fan rear end has the ventilation window, the internal portion of cabinet of chamber upper end has been seted up the show chamber, the internal upper end fixed mounting of show chamber has the light, and the both sides fixed mounting of light has the exhaust pipe, the internal portion of cabinet of show chamber upper end has been seted up the inner chamber, the internal fixed mounting of inner chamber has the exhaust fan. The device can be more convenient for users to observe the inside of the device through the combination of various structures, and can provide heat flow for the device according to the requirements, so that the demonstration effect of the device is improved.

Description

Demonstration fume chamber

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a demonstration fume hood.

Background

The cabinet type exhaust hood commonly called as a fume hood is similar to a closed hood, a small part paint spraying cabinet and a chemical laboratory fume hood are typical structures of the cabinet type exhaust hood, one side surface of the large room type fume hood is completely opened, an operator works in the cabinet and is mainly used for large part paint spraying, powder bagging and the like, wherein the 'visual demonstration fume hood' disclosed by the application number of CN215391494U is used for solving the technical defects that the conventional chemical experiment fume hood, teachers can only conduct a small number of simple experiments on a classroom, and the conventional fume hood has a certain stimulation gas emission or toxic gas emission experiment, the conventional fume hood has poor purification effect, so that the teaching quality of schools is improved and the physical and mental health of students is improved, and the folding type portable fume hood for chemical demonstration disclosed by the application number of CN2343640Y is found through further searching, and the technical defects that waste gas is prevented from influencing the environment of the teachers are practically solved, but the similar structural fume hood has a plurality of defects in practical use, such as: the observation surface of current fume chamber is less, can't provide heated air circulation for the inside of device according to the demand, so need design a demonstration fume chamber.

Disclosure of Invention

The utility model aims to provide a demonstration ventilating cabinet which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a demonstration fume chamber, includes the cabinet body, ventilation window and show chamber, the internally mounted of the cabinet body has the baffle, the internal fixed mounting of cabinet of baffle one end has the front shroud, the internal portion of cabinet of baffle upper end has been seted up the chamber of taking a breath, the inside upper end fixed mounting of chamber of taking a breath has the draught fan, the inside movable mounting of chamber of taking a breath of draught fan rear end has the ventilation window, the internal portion of cabinet of chamber upper end of taking a breath has seted up the show chamber, the inside upper end fixed mounting of show chamber has the light, and the both sides fixed mounting of light has the exhaust pipe, the internal inner chamber has been seted up to the cabinet of show chamber upper end, the inside fixed mounting of inner chamber has the exhaust fan.

When the device is used, articles needing to be demonstrated are placed in the display cavity, the induced draft fan is electrified to guide the air outside the device to the inside of the ventilation cavity through the ventilation window, the induced draft fan is used for guiding the air entering the inside of the ventilation cavity into the inside of the display cavity, after the ventilation cavity is electrified, the air inside the display cavity can be pumped out by the exhaust pipe, and the air inside the display cavity is replaced after the air is pumped out, so that the service performance of the device is improved.

Preferably, the surface of the display cavity is fixedly provided with protective glass, and an anti-slip strip is arranged between the top and the bottom of the protective glass and the display cavity. Utilize protection glass can the furthest enlarge the show face of the cabinet body when carrying out the protection to the show chamber, utilize the antislip strip to protect protection glass when using, avoid protection glass to cause the injury to the cabinet body.

Preferably, a top plate is embedded at the top of the cabinet body at the upper end of the exhaust fan, and a ventilation window is arranged in the top plate. The inner cavity can be protected when the top plate is used, and the ventilation window can be used for discharging gas.

Preferably, a heating plate is embedded in the cabinet body at the top of the induced draft fan, and a ventilation plate is embedded in the cabinet body at the upper end of the heating plate. At leading-in-process, utilize the heating plate can carry out heating treatment to the gas that gets into show intracavity portion as required, can improve inside holistic temperature after the gas after the joining gets into show intracavity portion, utilize the ventilative board can protect the heating plate when using, avoid showing article drop to the heating plate on, improve the security of device.

Preferably, a filter box is movably arranged in the ventilation cavity at one end of the ventilation window, and a filter element is movably arranged in the filter box. And in the process of introduction, the filter box and the filter core are utilized to filter the gas entering the ventilation window.

Preferably, the rear end of the cabinet body at the rear end of the partition plate is provided with a rear cover plate in an embedded mode, two sides of the rear cover plate are fixedly provided with connecting tables, and the connecting tables are connected with the cabinet body through connecting bolts. The rear cover plate can be used for increasing the tightness of the whole cabinet body when in use, and the rear cover plate and the cabinet body are connected by the connecting table and the connecting bolt, so that the falling phenomenon of the rear cover plate is avoided.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the upper end fixed mounting in the intracavity portion of taking a breath has the draught fan, and the inside of taking a breath the intracavity portion is led to with the outside gas of device through the ventilation window after the draught fan circular telegram, at the in-process of leading-in, utilize the heating plate can carry out heating treatment to the gas that gets into show intracavity portion as required, can improve inside holistic temperature after the gas after adding gets into show intracavity portion, utilize the ventilative board can protect the heating plate when using, avoid showing article drop to the heating plate on, improve the security of device.

2. Through placing the article that needs to demonstrate into the inside of show chamber, utilize glass can be when carrying out the protection to the show chamber the display surface of the at utmost expansion cabinet body, utilize the light can be convenient for use person to carry out the light filling illumination to the article that show intracavity portion was demonstrated when using, increase the conspicuity to observe.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a rear view of the present utility model;

FIG. 3 is an expanded view of the present utility model;

FIG. 4 is a bottom expanded view of the present utility model;

FIG. 5 is a rear expanded view of the present utility model;

fig. 6 is a schematic diagram of a partial structure of a cabinet body according to the present utility model.

In the figure: 1. a cabinet body; 101. a top plate; 102. a cover glass; 103. an anti-slip strip; 104. a front cover plate; 105. a back cover plate; 106. a connection station; 107. a connecting bolt; 2. a ventilation window; 201. a filter box; 202. a filter element; 3. an induced draft fan; 301. a heating plate; 302. a ventilation plate; 4. a display cavity; 5. a partition plate; 6. an inner cavity; 601. an exhaust fan; 602. an exhaust pipe; 7. a lighting lamp; 8. and (5) an air exchanging cavity.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the utility model provides a demonstration ventilation cabinet, which comprises a cabinet body 1, a ventilation window 2 and a display cavity 4, wherein a partition board 5 is arranged in the cabinet body 1, a front cover plate 104 is fixedly arranged in the cabinet body 1 at one end of the partition board 5, a ventilation cavity 8 is arranged in the cabinet body 1 at the upper end of the partition board 5, an induced draft fan 3 is fixedly arranged at the upper end of the inside of the ventilation cavity 8, the ventilation window 2 is movably arranged in the ventilation cavity 8 at the rear end of the induced draft fan 3, and the display cavity 4 is arranged in the cabinet body 1 at the upper end of the ventilation cavity 8;

the inside upper end fixed mounting of show chamber 4 has light 7, and the both sides fixed mounting of light 7 has exhaust pipe 602, and the inner chamber 6 has been seted up to the cabinet body 1 inside of show chamber 4 upper end, and the inside fixed mounting of inner chamber 6 has exhaust fan 601, and the inside embedded heating plate 301 that installs of cabinet body 1 at draught fan 3 top, and the inside ventilation plate 302 that has inlayed of cabinet body 1 of heating plate 301 upper end, the inside movable mounting in ventilation chamber 8 of ventilation window 2 one end has rose box 201, and the inside movable mounting of rose box 201 has filter core 202.

The demonstration fume hood operating principle based on the embodiment 1 is: when the device is used, articles to be demonstrated are placed in the display cavity 4, after the induced draft fan 3 is electrified, gas outside the device is guided into the ventilation cavity 8 through the ventilation window 2, and the gas entering the ventilation window 2 is filtered by the filter box 201 and the filter core 202 in the guiding process;

the induced draft fan 3 can heat the gas entering the display cavity 4 according to the requirement by utilizing the heating plate 301 to heat the gas entering the display cavity 4 in the process of introduction, the gas after being added can improve the whole temperature inside after entering the display cavity 4, the heating plate 301 can be protected when in use by utilizing the ventilation plate 302, the displayed objects are prevented from falling onto the heating plate 301, the safety of the device is improved, the gas inside the display cavity 4 can be pumped out by utilizing the exhaust pipe 602 after the ventilation fan 601 in the ventilation cavity 8 is electrified, and the gas inside the display cavity 4 is replaced after being pumped out, so that the service performance of the device is improved.

Example two

As shown in fig. 1, 2, 3, 4, 5 and 6, the present utility model provides a demonstration ventilation cabinet, which further includes, compared to the first embodiment: the surface fixed mounting of show chamber 4 has cover glass 102, and is equipped with antislip strip 103 between cover glass 102's top and bottom and the show chamber 4, and roof 101 is installed to the embedded cabinet body 1 top of exhaust fan 601 upper end, and the inside of roof 101 begins to have the transom, and the rear end embedded back shroud 105 of installing of cabinet body 1 rear end of baffle 5, and the both sides fixed mounting of rear shroud 105 has connection platform 106, and is connected through connecting bolt 107 between connection platform 106 and the cabinet body 1.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the display surface of the cabinet body 1 can be enlarged to the greatest extent while the display cavity 4 is protected by using the protective glass 102, and the protective glass 102 is protected by using the anti-slip strip 103 when in use, so as to avoid the damage of the protective glass 102 to the cabinet body 1;

as shown in fig. 1, 2, 3, 4, 5 and 6, the top plate 101 can be used for protecting the inner cavity 6 in use, and the ventilation window can be used for discharging gas; as shown in fig. 2, 3, 4 and 5, the sealing performance of the whole cabinet 1 can be improved when the back cover 105 is used, and the back cover 105 and the cabinet 1 are connected by using the connecting table 106 and the connecting bolts 107, so that the back cover 105 is prevented from falling off.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a demonstration fume chamber, includes cabinet body (1), ventilation window (2) and show chamber (4), its characterized in that: the cabinet is characterized in that a partition plate (5) is arranged in the cabinet body (1) at one end of the cabinet body (5), a front cover plate (104) is fixedly arranged in the cabinet body (1) at the upper end of the partition plate (5), an air exchanging cavity (8) is formed in the cabinet body (1), an induced draft fan (3) is fixedly arranged at the upper end of the air exchanging cavity (8) at the rear end of the induced draft fan (3), a ventilation window (2) is movably arranged in the air exchanging cavity (8) at the rear end of the induced draft fan (3), a display cavity (4) is formed in the cabinet body (1) at the upper end of the air exchanging cavity (8), an illuminating lamp (7) is fixedly arranged at the upper end of the display cavity (4), an exhaust pipe (602) is fixedly arranged at two sides of the illuminating lamp (7), and an inner cavity (6) is formed in the cabinet body (1) at the upper end of the display cavity (4), and an exhaust fan (601) is fixedly arranged in the inner cavity (6).

2. A demonstration fume hood according to claim 1, wherein: the surface of the display cavity (4) is fixedly provided with protective glass (102), and anti-slip strips (103) are arranged between the top and the bottom of the protective glass (102) and the display cavity (4).

3. A demonstration fume hood according to claim 1, wherein: the top of the cabinet body (1) at the upper end of the exhaust fan (601) is embedded with a top plate (101), and a ventilation window is formed in the top plate (101).

4. A demonstration fume hood according to claim 1, wherein: the heating plate (301) is embedded in the cabinet body (1) at the top of the induced draft fan (3), and the ventilation plate (302) is embedded in the cabinet body (1) at the upper end of the heating plate (301).

5. A demonstration fume hood according to claim 1, wherein: the filter box (201) is movably mounted in the ventilation cavity (8) at one end of the ventilation window (2), and the filter element (202) is movably mounted in the filter box (201).

6. A demonstration fume hood according to claim 1, wherein: the rear end of the cabinet body (1) at the rear end of the partition plate (5) is provided with a rear cover plate (105) in an embedded mode, two sides of the rear cover plate (105) are fixedly provided with connecting tables (106), and the connecting tables (106) are connected with the cabinet body (1) through connecting bolts (107).