CN218485445U - Ventilation device - Google Patents

Abstract

The utility model provides a ventilation device, which relates to the technical field of ventilation, and comprises a box body. A cleaning mechanism is arranged inside the box body. The cleaning mechanism includes a motor, and the output end of the motor is fixedly connected with a rotating rod. The surface of the rotating rod is connected with a belt through the rotation of the pulley, the other end of the belt is connected with the worm through the rotation of the pulley, the surface of the worm is engaged with the worm wheel, and the surface of the worm wheel is fixedly connected with the reciprocating screw rod. The reciprocating screw rod drives the two sliding blocks to move, and the two sliding blocks drive the scraper to scrape off the dust on the filter plate. The dust after scraping falls down by gravity, and the whole device can achieve the effect of speeding up the ventilation and filtration , so that the surface of the filter plate can be cleaned continuously during the ventilation process, so as to avoid the clogging of the filter plate holes and the deterioration of the ventilation effect, and the operation is simple, saving time and effort.

Description

a ventilation device

technical field

The utility model relates to the technical field of ventilation, in particular to a ventilation device.

Background technique

The production process of chemical drugs consists of two parts: the production of raw materials and the production of pharmaceutical preparations. The raw materials are the material basis of drug production, but they must be processed into pharmaceutical preparations suitable for consumption before they become drugs. During the production process, drug dust leaks Diffusion will not only endanger the health of on-site workers, but also dust explosions may occur in high-concentration dust concentrations, which will affect the safe production of enterprises, so it is necessary to ventilate the interior of the laboratory.

In the prior art, a filter plate is usually used to filter the dust. After a long time of use, the dust will block the holes of the filter plate, resulting in poor ventilation. Therefore, the filter plate needs to be disassembled frequently for cleaning. The filter plate needs to be reinstalled back, which is time-consuming and labor-intensive, and brings inconvenience to users.

Utility model content

The purpose of this utility model is to solve the problem that the ventilation effect becomes poor, so that the filter plate needs to be disassembled frequently for cleaning, and the filter plate needs to be reinstalled after cleaning, which is time-consuming and laborious, and brings inconvenience to the user. A ventilation device is proposed.

In order to achieve the above object, the utility model adopts the following technical scheme: a ventilation device, including a box body, the interior of the box body is provided with a cleaning mechanism, the cleaning mechanism includes a motor, and the output end of the motor is fixedly connected with a Rotating rod, the surface of the rotating rod is connected to the belt through the pulley, the other end of the belt is connected to the worm through the pulley, the surface of the worm is engaged with the worm wheel, and the surface of the worm wheel is fixedly connected to the reciprocating screw , the surface of the reciprocating screw rod is threadedly connected with a sliding block, the surface of the sliding block is fixedly connected with a scraper, the surface of the box is fixedly connected with a filter plate, and the scraper is slidably connected with the filter plate.

Preferably, the inside of the box is also provided with an exhaust mechanism, the exhaust mechanism includes fan blades, the fan blades are fixedly connected to the surface of the rotating rod, the inside of the box is fixedly connected with a mounting frame, and the rotating The rod is rotatably connected with the mounting bracket through the bearing, and the motor drives the rotating rod to rotate, and the rotating rod drives the fan blades to rotate, so that the gas can be pumped into the inside of the box.

Preferably, a control box is fixedly connected to the top of the box, the reciprocating screw is rotatably connected to the control box through a bearing, and the worm is rotatably connected to the control box through a bearing, so that the reciprocating screw and the worm can be supported.

Preferably, a limiting chute is provided on the top of the box, the sliding block is slidably connected to the limiting chute, the surface of the box is fixedly connected to a limiting rod, and the limiting rod is slidably connected to the sliding block, Allow the slider to go through the top of the box.

Preferably, a fixing plate is fixedly connected to the surface of the box, and the fixing plate is fixedly connected to the motor so that the position of the motor can be fixed.

Preferably, the surface of the box is provided with a plurality of air inlets, the lower surface of the box is provided with a chute, the bottom of the box is fixedly connected with a collection box, and the collection box communicates with the chute It is set so that the airflow can enter the box from the air inlet, and the cleaned dust can enter the collection box for centralized collection.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. The utility model proposes a ventilation device, which drives the worm to rotate through the rotating rod, the worm drives the worm wheel to rotate, the worm wheel drives the reciprocating screw to rotate, the reciprocating screw drives two sliding blocks to move, and the two sliding blocks drive the scraper The dust on the filter plate is scraped off, and the scraped dust falls down by gravity. The whole device achieves the effect of speeding up the ventilation and filtration, so that the surface of the filter plate can be cleaned continuously during the ventilation process to avoid the filter The blockage of the plate hole will lead to poor ventilation effect, and the operation is simple, saving time and effort.

2. The utility model proposes a ventilation device, which drives the rotating rod to rotate through the motor, and the rotating rod drives the fan blades to rotate, so that the gas can be drawn from the air inlet to the inside of the box, and the air flow enters the inside of the box and contacts the filter plate. The gas is filtered through the filter plate, and the dust can be collected into the collection box for centralized collection. The whole device can quickly filter the airflow during the ventilation process, so that the dust in the exhausted airflow is reduced and environmental pollution is reduced.

Description of drawings

Fig. 1 is a schematic diagram of the internal partial structure of a ventilation device proposed by the utility model;

Fig. 2 is the schematic diagram of the front view structure of a ventilation device proposed by the utility model;

Fig. 3 is a side view sectional partial structural schematic diagram of a ventilation device proposed by the utility model;

Fig. 4 is a front view sectional structural schematic diagram of a ventilation device proposed by the utility model.

Legend: 1. Box body; 2. Cleaning mechanism; 201. Motor; 202. Rotating rod; 203. Belt; 204. Worm; 205. Worm wheel; 206. Reciprocating screw; 207. Slide block; 208. Scraper; 209, filter plate; 3, exhaust mechanism; 301, fan blade; 302, installation frame; 4, control box; 5, limit chute; 6, limit rod; 7, fixed plate; 8, air inlet; 9, Feed chute; 10. Collection box.

Detailed ways

In order to understand more clearly the above purpose, features and advantages of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here. Therefore, the utility model is not limited to the specific details of the following disclosure EXAMPLE LIMITATIONS.

Embodiment 1, as shown in Figures 1-4, a ventilation device, including a box body 1, the inside of the box body 1 is provided with a cleaning mechanism 2, the cleaning mechanism 2 includes a motor 201, and the output end of the motor 201 is fixedly connected with a rotating rod 202, the surface of the rotating rod 202 is connected to the belt 203 through the belt 203 wheel rotation, the other end of the belt 203 is connected to the worm 204 through the belt 203 wheel rotation, the surface of the worm screw 204 is engaged with the worm wheel 205, and the surface of the worm wheel 205 is fixedly connected to the reciprocating wheel. Screw rod 206, the surface of reciprocating screw rod 206 is threadedly connected with sliding block 207, the surface of sliding block 207 is fixedly connected with scraper 208, the surface of box body 1 is fixedly connected with filter plate 209, scraper 208 and filter plate 209 are slidingly connected .

The effect achieved by its entire embodiment 1 is that the rotating rod 202 drives the worm screw 204 to rotate, the worm screw 204 drives the worm wheel 205 to rotate, the worm wheel 205 drives the reciprocating screw mandrel 206 to rotate, and the reciprocating screw mandrel 206 drives the two sliding blocks 207 to move. A slider drives the scraper 208 to scrape off the dust on the filter plate 209, and the dust after scraping falls down by gravity, and the whole device can accelerate the effect of ventilation and filtration, so that it can be continuously filtered during the ventilation process. The surface of the filter plate 209 is cleaned to avoid clogging of the plate holes of the filter plate 209, resulting in poor ventilation effect.

Embodiment 2, as shown in Figures 1-4, the inside of the box body 1 is also provided with an exhaust mechanism 3, the exhaust mechanism 3 includes fan blades 301, the fan blades 301 are fixedly connected to the surface of the rotating rod 202, and the inside of the box body 1 is fixed. A mounting frame 302 is connected, and the rotating rod 202 is rotationally connected with the mounting frame 302 through a bearing. The motor 201 drives the rotating rod 202 to rotate, and the rotating rod 202 drives the fan blade 301 to rotate, so that the gas can be pumped to the inside of the box body 1, and the box body 1 The top of the top is fixedly connected with the control box 4, the reciprocating screw rod 206 is rotatably connected with the control box 4 through the bearing, and the worm 204 is rotatably connected with the control box 4 through the bearing, so that the reciprocating screw rod 206 and the worm screw 204 can be supported, and the top of the box body 1 Set limit chute 5, slide block 207 is slidably connected with limit chute 5, the surface of box body 1 is fixedly connected with limit bar 6, and limit bar 6 is slidably connected with slide block 207, makes slide block 207 pass through box The top of the body 1, the surface of the box body 1 is fixedly connected with a fixed plate 7, the fixed plate 7 is fixedly connected with the motor 201, so that the position of the motor 201 can be fixed, the surface of the box body 1 is provided with a plurality of air inlets 8, the The lower surface is provided with a chute 9, and the bottom of the box body 1 is fixedly connected with a collection box 10. The collection box 10 is connected to the chute 9, so that the airflow can enter the box body 1 from the air inlet hole, and the cleaned dust can enter The collection box 10 performs centralized collection.

The effect achieved by the entire embodiment 2 is that the motor 201 drives the rotating rod 202 to rotate, and the rotating rod 202 drives the fan blade 301 to rotate, so that the gas can be drawn from the air inlet 8 to the inside of the box body 1, and the air flow enters the inside of the box body 1. In contact with the filter plate 209, the gas is filtered through the filter plate 209, so that the dust in the airflow stays on the filter plate 209, and the whole device can filter the airflow during the ventilation process, so that the dust in the discharged airflow Reduce, reduce environmental pollution.

The working principle is to install the box 1 on the wall that needs ventilation, and the motor 201 drives the rotating rod 202 to rotate, and the rotating rod 202 drives the fan blade 301 to rotate, so that the air can be drawn from the air inlet 8 to the inside of the box 1, After the air flow enters the interior of the box body 1, it contacts the filter plate 209, and the gas is filtered through the filter plate 209, so that the dust in the air flow stays on the filter plate 209, and the whole device can filter the air flow during the ventilation process. The dust in the discharged airflow is reduced, reducing environmental pollution. When the rotating rod 202 rotates, the rotating rod 202 drives the worm 204 to rotate through the belt 203, the worm 204 drives the worm wheel 205 to rotate, and the worm wheel 205 drives the reciprocating screw rod 206 to rotate, and the reciprocating wire The rod 206 drives the two sliding blocks 207 to move, so that the two sliding blocks 207 can move back and forth on the reciprocating screw mandrel 206, and the two sliding blocks drive the scraper 208 to move, and the two scrapers 208 are in contact with the filter plate 209. The scraper 208 can scrape off the dust on the filter plate 209, and the scraped dust falls down by gravity, and enters the collection box 10 from the chute 9 for centralized collection, and the whole device achieves the effect of speeding up ventilation and filtration , so that the surface of the filter plate 209 can be continuously cleaned during the ventilation process, so as to avoid the clogging of the filter plate 209 plate holes, resulting in poor ventilation effect.

The wiring diagram of the motor 201 in the utility model belongs to common knowledge in the art, and its working principle is a known technology, and its model is selected according to the actual use, so the control mode and wiring arrangement of the motor 201 are no longer explained in detail.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. The equivalent embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present utility model still belong to the technical solution of the present utility model scope of protection.

Claims (6)

1. A ventilation device, comprising a casing (1), is characterized in that: the inside of the casing (1) is provided with a cleaning mechanism (2), and the cleaning mechanism (2) includes a motor (201), the The output end of the motor (201) is fixedly connected with a rotating rod (202), and the surface of the rotating rod (202) is connected with a belt (203) through a belt (203) wheel rotation, and the other end of the belt (203) is connected by a belt (203) The wheel is rotatably connected with a worm (204), the surface of the worm (204) is meshed with a worm wheel (205), and the surface of the worm wheel (205) is fixedly connected with a reciprocating screw (206). The surface of the rod (206) is threadedly connected with a sliding block (207), the surface of the sliding block (207) is fixedly connected with a scraper (208), and the surface of the box (1) is fixedly connected with a filter plate (209). , the scraper (208) is slidingly connected with the filter plate (209). 2. A ventilation device according to claim 1, characterized in that: the inside of the box (1) is also provided with an exhaust mechanism (3), and the exhaust mechanism (3) includes fan blades (301), The fan blade (301) is fixedly connected to the surface of the rotating rod (202), and the inside of the box (1) is fixedly connected with a mounting frame (302), and the rotating rod (202) is connected to the mounting frame (302) through a bearing. ) turn the connection. 3. A ventilation device according to claim 1, characterized in that: the top of the box (1) is fixedly connected with a control box (4), and the reciprocating screw rod (206) is connected to the control box ( 4) Rotational connection, the worm (204) is rotationally connected with the control box (4) through a bearing. 4. A ventilation device according to claim 1, characterized in that: the top of the box (1) is provided with a limit chute (5), and the sliding block (207) and the limit chute (5 ) is slidingly connected, the surface of the box body (1) is fixedly connected with a limit rod (6), and the limit rod (6) is slidably connected with the sliding block (207). 5. A ventilation device according to claim 1, characterized in that: the surface of the box (1) is fixedly connected with a fixed plate (7), and the fixed plate (7) is fixedly connected with the motor (201) . 6. A ventilation device according to claim 1, characterized in that: the surface of the box (1) is provided with a plurality of air inlets (8), and the lower surface of the box (1) is provided with the following A chute (9), the bottom of the box body (1) is fixedly connected with a collection box (10), and the collection box (10) is arranged in communication with the chute (9).

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