CN220365742U

CN220365742U - Smoke exhaust fan box

Info

Publication number: CN220365742U
Application number: CN202320959690.8U
Authority: CN
Inventors: 黄珍; 张振宇; 钱林钟; 罗正飞
Original assignee: Zhejiang Mingxin Fan Co ltd
Current assignee: Zhejiang Mingxin Fan Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2024-01-19
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses a smoke exhaust fan case which comprises a case body, an impeller, a motor and a belt transmission structure, wherein an air inlet and an air outlet are formed in the case body, the air inlet is formed in one vertical side face of the case body, a filter screen is arranged at the air inlet, a foreign matter collecting case is arranged below the filter screen, an upper end opening of the foreign matter collecting case is provided with a baffle plate, and the smoke exhaust fan case further comprises a control structure for controlling the baffle plate to horizontally move on the foreign matter collecting case to open and close the upper end opening of the foreign matter collecting case. The utility model aims to solve the technical problems in the prior art and provides a smoke exhaust fan case which can collect foreign matters on a filter screen, prevent the foreign matters from directly falling onto the ground and prevent the foreign matters from returning to the filter screen when the fan is restarted.

Description

Smoke exhaust fan box

Technical Field

The utility model relates to the technical field of smoke exhaust fans, in particular to a smoke exhaust fan case.

Background

The existing smoke exhaust fan case has certain defects when in use, firstly, when fire protection and smoke exhaust are carried out, the plastic bags and other paper sheets are sucked into the fan, the fan is easy to damage, certain adverse effects are achieved, although the air inlet can be used for blocking the foreign matters from entering the fan in a filter screen mode, the air inlet quantity of the fan can be influenced when the foreign matters on the filter screen are more, and when the fan is stopped every time, the foreign matters on the filter screen can fall to the ground to be cleaned manually, if the foreign matters are not cleaned timely, when the next fan is started, the foreign matters on the ground can be adsorbed onto the filter screen again under the driving of air flow.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the technical problems in the prior art and provides a smoke exhaust fan case which can collect foreign matters on a filter screen, prevent the foreign matters from directly falling onto the ground and prevent the foreign matters from returning to the filter screen when the fan is restarted.

2. Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a smoke exhaust fan case, includes box, impeller, motor and belt drive structure, be equipped with air intake and air outlet on the box, the air intake is located on one of them vertical side of box, air intake department is equipped with the filter screen, the below of filter screen is equipped with the foreign matter collecting box, the upper end opening of foreign matter collecting box is equipped with the baffle, still including being used for control the baffle is in horizontal migration is in order to start and stop on the foreign matter collecting box the open-ended control structure in upper end of foreign matter collecting box.

Optionally, the control structure is used for controlling the baffle to move along the direction perpendicular to the vertical side surface of the box body, which is provided with the air inlet.

Optionally, an inclined sliding block is fixedly connected to the upper end of the baffle, and one side, close to the filter screen, of the inclined sliding block is a lower side.

Optionally, the control structure includes the cylinder that links firmly on the foreign matter collecting box, the output shaft of cylinder is along the direction setting of being perpendicular to the vertical side that is equipped with the air intake of box has linked firmly the connecting plate, the connecting plate with the baffle links firmly.

Optionally, a gas flow rate sensor is arranged in the box body.

Optionally, belt transmission structure includes belt, belt pulley and belt protection casing, the belt protection casing is the slope setting, still includes the water storage box, the water storage box with the higher side of belt protection casing is through first water pipe intercommunication, the water storage box with the lower side of belt protection casing is through the second water pipe intercommunication, be equipped with the water pump on the first water pipe.

Optionally, an umbrella-shaped spray head connected with the first water pipe is arranged in the belt protective cover.

Optionally, the water pump is disposed in the water reservoir.

Optionally, a partition plate is arranged in the water storage tank, the connection position of the first water pipe and the water storage tank and the connection position of the second water pipe and the water storage tank are respectively located at two sides of the partition plate, and a water passing channel is arranged at the upper end of the partition plate.

Optionally, the refrigerator further comprises a refrigeration module which is in heat conduction connection with the partition board.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

this fan case of discharging fume can collect the foreign matter on the filter screen, prevents that the foreign matter from directly dropping subaerial, and this part foreign matter when can preventing the fan to start again in addition on the filter screen to can realize the periodic automatic clearance to the filter screen through the settlement of procedure, guarantee the intake of fan, and then guarantee the effect of discharging fume, more importantly, through the horizontal movement of baffle, the air current that produces when can prevent the baffle activity blows out the foreign matter in the foreign matter collecting box.

Drawings

Fig. 1 is a schematic structural diagram of a smoke exhaust fan case according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of a smoke exhaust fan case according to an embodiment of the present utility model;

1. a case; 2. an impeller; 3. a motor; 4. a filter screen; 5. a foreign matter collection box; 6. a baffle; 7. an inclined slide block; 8. a cylinder; 9. a connecting plate; 11. a belt guard; 12. a water storage tank; 13. a first water pipe; 14. a second water pipe; 15. a water pump; 16. umbrella-shaped spray heads; 17. a partition board.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted," "positioned," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as being "fixedly connected" to another element, the two elements may be fixed by a detachable connection manner, or may be fixed by a non-detachable connection manner, such as sleeving, clamping, integrally forming, or welding, which may be implemented in the prior art, and thus, the description is not further omitted. When an element is perpendicular or nearly perpendicular to another element, it is meant that the ideal conditions for both are perpendicular, but certain vertical errors may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" as used herein do not denote a particular quantity or order, but rather are used to distinguish one element from another.

Referring to fig. 1 and 2, a smoke exhaust fan case of this embodiment includes a case 1, an impeller 2, a motor 3 and a belt transmission structure, the impeller 2 is installed in the case 1, the motor 3 and the belt transmission structure are installed in the case 1 is outside, an air inlet and an air outlet are provided on the case 1, the air inlet is provided on one of the vertical sides of the case 1, so that gas is ensured to enter the case 1 from the horizontal direction, a filter screen 4 is provided at the air inlet, the filter screen 4 is used for filtering foreign matters in the gas, a foreign matter collecting box 5 is provided below the filter screen 4, a baffle 6 is provided at the upper end opening of the foreign matter collecting box 5, and a control structure for controlling the baffle 6 to horizontally move on the foreign matter collecting box 5 so as to open and close the upper end opening of the foreign matter collecting box 5 is also provided.

The working principle of the smoke exhaust fan case is as follows: when the fan is closed, the control structure controls the baffle 6 to move outwards to open the upper end opening of the foreign matter collecting box 5, at the moment, the foreign matters falling from the filter screen 4 directly fall into the foreign matter collecting box 5, the foreign matters in the foreign matter collecting box 5 are cleaned manually at regular intervals, and when the fan is opened, the foreign matter collecting box 5 is closed by the baffle 6, so that the air flow can be prevented from bringing out the foreign matters in the foreign matter collecting box 5, and the fan can be set to be closed for cleaning the foreign matters at intervals in a program, so that the air inlet quantity of the fan is ensured.

This fan case of discharging fume can collect the foreign matter on the filter screen, prevents that the foreign matter from directly dropping subaerial, and this part foreign matter when can preventing the fan to start again in addition on the filter screen to can realize the periodic automatic clearance to the filter screen through the settlement of procedure, guarantee the intake of fan, and then guarantee the effect of discharging fume, more importantly, through the horizontal movement of baffle 6, the air current that produces when can prevent the activity of baffle 6 blows off the foreign matter in the foreign matter collecting box 5.

As an alternative of the present utility model, the control structure is configured to control the shutter 6 to move in a direction perpendicular to the vertical side surface of the housing 1 where the air inlet is provided, so that the shutter 6 moves a small distance to completely open the upper end opening of the foreign matter collection box 5.

As an alternative of the present utility model, the upper end of the baffle 6 is fixedly connected with the inclined slide block 7, and a side of the inclined slide block 7 close to the filter screen 4 is a lower side, so that during the opening process of the baffle 6, the foreign matters falling onto the inclined slide block 7 can enter the foreign matter collecting box 5 below under the guiding action of the inclined surface of the upper end of the inclined slide block 7, thereby ensuring the collecting effect of the foreign matters.

As an alternative scheme of the utility model, the control structure comprises a cylinder 8 fixedly connected to the foreign matter collecting box 5, the cylinder 8 is mounted on the side surface of the foreign matter collecting box 5, an output shaft of the cylinder 8 is arranged along the direction vertical to the vertical side surface of the box body 1, which is provided with an air inlet, and is fixedly connected with a connecting plate 9, the connecting plate 9 is fixedly connected with the baffle 6, and the cylinder 8 drives the baffle 6 to move back and forth through the connecting plate 9.

As an alternative of the present utility model, a gas flow rate sensor is disposed in the case 1, and the gas flow rate sensor is electrically connected to the motor 3 and the cylinder 8, and when the gas flow rate sensor detects that the air intake speed in the case 1 is lower than a preset value, it indicates that there are more foreign matters on the filter screen 4, and at this time, the motor 3 is turned off, and the cylinder 8 is started to clean the filter screen 4.

As an alternative scheme of the present utility model, the belt transmission structure includes a belt, a belt pulley and a belt protection cover 11, the belt is tensioned on the belt pulley, the belt protection cover 11 is covered on the outer side of the belt and the belt pulley, the belt protection cover 11 is connected to the outer side wall of the box 1 in a sealing manner, the belt protection cover 11 is arranged in an inclined manner, one side of the belt protection cover is high, the other side of the belt protection cover is low, the belt transmission structure further includes a water storage tank 12, the water storage tank 12 is fixedly connected to the box 1, the water storage tank 12 is communicated with the upper side of the belt protection cover 11 through a first water pipe 13, the water storage tank 12 is communicated with the lower side of the belt protection cover 11 through a second water pipe 14, a water pump 15 is arranged on the first water pipe 13, when a fire disaster occurs, components in the smoke exhaust fan such as the belt and the belt protection cover are easy to deform or melt due to high temperature, in this embodiment, the inside the belt protection cover 11 can be cooled in a manner, the stable operation of the belt transmission structure is ensured, and the water storage tank 12 can be recycled back to the water storage tank 12.

As an alternative of the present utility model, in order to ensure the spraying effect, an umbrella-shaped spray head 16 connected to the first water pipe 13 is disposed in the belt protection cover 11.

As an alternative to the present utility model, the water pump 15 is provided in the water storage tank 12 for improving the aesthetic appearance.

As an alternative of the present utility model, a partition 17 is disposed in the water storage tank 12, the connection position between the first water pipe 13 and the water storage tank 12 and the connection position between the second water pipe 14 and the water storage tank 12 are located at two sides of the partition 17, a water passing channel is disposed at the upper end of the partition 17, and water flowing back from the second water pipe 14 needs to bypass the partition 17 and then can be drawn out again by the first water pipe 13, so that water flowing back into the water storage tank 12 has enough time to mix with water originally located in the water storage tank 12, and water temperature is effectively inhibited.

As an alternative of the present utility model, the refrigerator further includes a cooling module thermally connected to the partition 17, and the partition 17 is made of a thermally conductive material, so that the cooling capacity generated by the cooling module can better inhibit the water temperature, and the water in the water tank 12 can be used for a longer time.

As an alternative of the present utility model, the first water pipe 13 and the second water pipe 14 are metal pipes.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. The utility model provides a smoke exhaust fan case which characterized in that: the novel air conditioner comprises a box body, an impeller, a motor and a belt transmission structure, wherein an air inlet and an air outlet are formed in the box body, the air inlet is formed in one vertical side face of the box body, a filter screen is arranged at the air inlet, a foreign matter collecting box is arranged below the filter screen, a baffle is arranged at the upper end opening of the foreign matter collecting box, and the novel air conditioner further comprises a control structure for controlling the baffle to horizontally move on the foreign matter collecting box to open and close the upper end opening of the foreign matter collecting box.

2. A smoke exhaust ventilator case according to claim 1, wherein: the control structure is used for controlling the baffle to move along the direction perpendicular to the vertical side face of the box body, which is provided with the air inlet.

3. A smoke exhaust ventilator case according to claim 2, wherein: the upper end of the baffle plate is fixedly connected with an inclined sliding block, and one side, close to the filter screen, of the inclined sliding block is a lower side.

4. A smoke exhaust ventilator case according to any of claims 1-3, wherein: the control structure comprises an air cylinder fixedly connected to the foreign matter collecting box, an output shaft of the air cylinder is arranged along a direction perpendicular to the vertical side face of the box body, which is provided with an air inlet, and is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the baffle.

5. A smoke exhaust ventilator case according to any of claims 1-3, wherein: and a gas flow rate sensor is arranged in the box body.

6. A smoke exhaust ventilator case according to any of claims 1-3, wherein: the belt transmission structure comprises a belt, a belt pulley and a belt protection cover, wherein the belt protection cover is obliquely arranged and further comprises a water storage tank, the water storage tank is communicated with the higher side of the belt protection cover through a first water pipe, the water storage tank is communicated with the lower side of the belt protection cover through a second water pipe, and a water pump is arranged on the first water pipe.

7. A smoke exhaust ventilator case according to claim 6, wherein: an umbrella-shaped spray head connected with the first water pipe is arranged in the belt protective cover.

8. A smoke exhaust ventilator case according to claim 6, wherein: the water pump is arranged in the water storage tank.

9. A smoke exhaust ventilator case according to claim 6, wherein: the water storage tank is internally provided with a partition board, the connection position of the first water pipe and the water storage tank and the connection position of the second water pipe and the water storage tank are respectively positioned at two sides of the partition board, and the upper end of the partition board is provided with a water passing channel.

10. A smoke exhaust ventilator case according to claim 9, wherein: the refrigerator further comprises a refrigeration module which is in heat conduction connection with the partition board.