CN216244712U

CN216244712U - Ventilation device for closed channel

Info

Publication number: CN216244712U
Application number: CN202122804528.2U
Authority: CN
Inventors: 郑云; 何传芳; 张远标; 杨正刚
Original assignee: Guangxi Yalei Electromechanical Equipment Co ltd
Current assignee: Guangxi Yalei Electromechanical Equipment Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of channel ventilation and discloses a ventilation device for sealing a channel. The utility model has synchronous exhaust and intake functions through the matching combination of the ventilation component and the air frame component, can continuously exhaust the air in the closed channel, can continuously convey the fresh air outside into the closed channel, further improves the ventilation efficiency of the closed channel, and can ensure that the air is sent out and sucked in a clean circulation state through the adsorption purification of the adsorption net layer in the ventilation component and the filtration and purification of the purification net layer and the dust cover to the sucked air in the ventilation process.

Description

Ventilation device for closed channel

Technical Field

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

Background

Ventilation, also known as air exchange, is the process of feeding sufficient fresh air into the indoor space by mechanical or natural methods and simultaneously discharging the dirty air which does not meet the sanitary requirements in the room, so that the indoor air meets the sanitary requirements and the requirements of the production process.

Through retrieval, the Chinese patent network discloses a flexibly applied ventilation device (publication No. CN212339555U) for warehousing, a fixed seat is fixedly arranged on the other side surface of the mounting seat, and the mounting seat and the fixed seat form an inverted U shape; the air pipe comprises an air inlet pipe and an air outlet pipe; a dehumidification box is arranged in the shell opposite to the air inlet pipe, and a vent opposite to the air inlet pipe is formed in the side wall of the dehumidification box; a plurality of partition plates which are staggered up and down are fixedly arranged in the dehumidification box; moisture absorption sponges are filled in the two adjacent partition plates; the filter element is arranged in the dust removal box, and the device can be buckled on a windowsill or a window through the mounting seat and the fixing seat, so that the device is convenient to mount; the air is dehumidified and dedusted in the ventilation process, so that water vapor and dust are reduced from entering the warehouse, the storage condition is improved, and the protection of stored goods is facilitated. However, in the use process of the device, the ventilation efficiency is low, the efficiency of injecting new air into the closed room is insufficient, and in the ventilation process, the air cannot be effectively filtered and purified. Accordingly, one skilled in the art provides a ventilation device for closing a passage to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a ventilation device for closing a passage to solve the above problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a ventilation device for closing a passage, the ventilation device being composed of a ventilation assembly and a fan frame assembly, the fan frame assembly being fixed at a position of a wind port of the ventilation assembly;

the ventilation assembly comprises a ventilation frame, the inner side of the ventilation frame is positioned at the upper half part and is provided with an air outlet cavity, the inner side of the ventilation frame is positioned at the lower half part and is provided with an air inlet cavity, the inner side of the air outlet cavity is sequentially provided with an exhaust fan and an adsorption net layer from left to right, and the inner side of the air inlet cavity is sequentially provided with an air inlet fan, a purification net layer and a dust cover from left to right;

the air frame assembly comprises a transmission support, an air outlet window frame is arranged above the transmission support, an air inlet window frame is arranged below the transmission support, an air outlet louver is symmetrically connected to the inner side of the air outlet window frame, an air inlet louver is symmetrically connected to the inner side of the air inlet window frame, a first transmission main shaft is rotatably connected to one end position of the inner side of the air outlet window frame, a first transmission worm is symmetrically sleeved on the outer side of the first transmission main shaft, a first transmission worm wheel meshed with the first transmission worm is arranged at one end of the air outlet louver, a second transmission main shaft is rotatably connected to one end position of the inner side of the air inlet window frame, a second transmission worm is symmetrically sleeved on the outer side of the second transmission main shaft, a second transmission worm wheel meshed with the second transmission worm is arranged at one end of the air inlet louver, and a synchronous bevel gear A is arranged on the end face of the first transmission main shaft, which penetrates through the air outlet window frame, the output end of the second transmission main shaft penetrates through the end face of the air outlet window frame and is provided with a synchronous bevel gear B, one end of the transmission support is connected with an adjusting hand wheel in an embedded mode, and the top end of the adjusting hand wheel is provided with a transmission bevel gear.

As a still further scheme of the utility model: the number of the air outlet shutter and the air inlet shutter is not less than three groups, and the orientations of the air outlet shutter and the air inlet shutter are in forward and reverse symmetrical arrangement.

As a still further scheme of the utility model: the size of the synchronous bevel gear A is the same as that of the synchronous bevel gear B, and the teeth of the synchronous bevel gear A and the teeth of the synchronous bevel gear B are meshed with the teeth of the transmission bevel gear.

As a still further scheme of the utility model: the air outlet window frame is right opposite to the air outlet position of the air outlet chamber, and the air inlet window frame is right opposite to the air inlet position of the air inlet chamber.

As a still further scheme of the utility model: the adsorption net layers are of a trapezoidal structure, the number of the adsorption net layers is three, and the adsorption net layers are symmetrically arranged in a staggered mode in the forward direction and the reverse direction.

As a still further scheme of the utility model: the adsorption net layer and the purification net layer are both made of active carbon components, and the dust cover is made of HEPA components.

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

the utility model has synchronous exhaust and intake functions through the matching combination of the ventilation component and the air frame component, can continuously exhaust the air in the closed channel, can continuously convey the fresh air outside into the closed channel, further improves the ventilation efficiency of the closed channel, and can ensure that the air is sent out and sucked in a clean circulation state through the adsorption purification of the adsorption net layer in the ventilation component and the filtration and purification of the purification net layer and the dust cover to the sucked air in the ventilation process.

Drawings

FIG. 1 is a schematic view of a ventilation device for closing a passage;

FIG. 2 is a schematic view of a ventilation assembly for use in a ventilation device for closing a passage;

fig. 3 is a schematic view of a fan assembly in a ventilation apparatus for closing a passage.

In the figure: 1. a ventilation frame; 2. an air outlet window frame; 3. an air outlet shutter; 4. a transmission bracket; 5. adjusting a hand wheel; 6. an air intake window frame; 7. an air intake louver; 8. an air outlet chamber; 9. an air intake chamber; 10. an exhaust fan; 11. an adsorption net layer; 12. an air inlet fan; 13. a purification mesh layer; 14. a dust cover; 15. a first drive worm gear; 16. a first drive worm; 17. a first transmission main shaft; 18. a synchronous bevel gear A; 19. a drive bevel gear; 20. a synchronous bevel gear B; 21. a second drive spindle; 22. a second drive worm; 23. a second drive worm gear.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a ventilation device for a closed channel is composed of a ventilation assembly and a fan assembly, the fan assembly is fixed at an air outlet of the ventilation assembly, an air outlet window frame 2 is opposite to an air outlet of an air outlet chamber 8, an air inlet window frame 6 is opposite to an air inlet of an air inlet chamber 9, and through a matching combination of the air outlet chamber 8 and the air inlet chamber 9 in the ventilation assembly, the air outlet window frame 2 and the air inlet window frame 6 in the fan assembly, the ventilation device has synchronous air exhaust and air inlet functions, and can continuously exhaust air in the closed channel, and can continuously convey fresh outside air into the closed channel, so as to improve ventilation efficiency of the closed channel.

The ventilation assembly comprises a ventilation frame 1, an air outlet chamber 8 is arranged at the upper half position of the inner side of the ventilation frame 1, an air inlet chamber 9 is arranged at the lower half position of the inner side of the ventilation frame 1, an exhaust fan 10 and an adsorption net layer 11 are sequentially arranged at the inner side of the air outlet chamber 8 from left to right, an air inlet fan 12, a purification net layer 13 and a dust cover 14 are sequentially arranged at the inner side of the air inlet chamber 9 from left to right, the adsorption net layer 11 is of a trapezoidal structure, the adsorption net layers 11 are three in number, the adsorption net layers 11 are arranged in a positive and reverse symmetrical staggered manner, the adsorption net layers 11 and the purification net layers 13 both adopt activated carbon components, the dust cover 14 adopts HEPA components, the exhaust fan 10 works in the working process of the ventilation device to continuously exhaust the air in a closed channel at negative pressure, and in the exhaust process, the adsorption net layers 11 arranged in the positive and reverse symmetrical staggered manner not only can adsorb and purify the air, meanwhile, the efficiency of air exhaust can be ensured, the phenomenon that the filter screen layer is too thick and affects the exhaust efficiency is avoided, the synchronous air inlet fan 12 works and sucks external fresh air at positive pressure, in the sucking process, the dust cover 14 and the purification screen layer 13 sequentially filter and purify the external fresh air, the clean fresh air is continuously conveyed into the closed channel, and the freshness of the air in the closed channel is improved.

The wind frame component comprises a transmission bracket 4, an air outlet window frame 2 is arranged above the transmission bracket 4, an air inlet window frame 6 is arranged below the transmission bracket 4, an air outlet louver 3 is symmetrically connected to the inner side of the air outlet window frame 2, an air inlet louver 7 is symmetrically connected to the inner side of the air inlet window frame 6, a first transmission main shaft 17 is rotatably connected to the position, located at one end, of the inner side of the air outlet window frame 2, a first transmission worm 16 is symmetrically sleeved on the outer side of the first transmission main shaft 17, a first transmission worm wheel 15 meshed with the first transmission worm 16 is arranged at one end of the air outlet louver 3, a second transmission main shaft 21 is rotatably connected to the position, located at one end, of the air inlet louver 6, a second transmission worm 22 is symmetrically sleeved on the outer side of the second transmission main shaft 21, a second transmission worm wheel 23 meshed with the second transmission worm wheel 22 is arranged at one end of the air inlet louver 7, a synchronous bevel gear A18 is arranged at the end face, penetrating through the output end face of the first transmission main shaft 17, the output end of the second transmission main shaft 21 penetrates through the end face of the air outlet window frame 2 and is provided with a synchronous bevel gear B20, one end of a transmission bracket 4 is embedded and connected with an adjusting hand wheel 5, the top end of the adjusting hand wheel 5 is provided with a transmission bevel gear 19, the number of the air outlet shutter 3 and the number of the air inlet shutter 7 are not less than three, the orientations of the blades of the air outlet shutter 3 and the air inlet shutter 7 are in forward and reverse symmetrical arrangement, the sizes of the synchronous bevel gear A18 and the synchronous bevel gear B20 are the same, teeth of the synchronous bevel gear A18 and the synchronous bevel gear B20 are meshed with teeth of the transmission bevel gear 19, in the process of assembling and using the ventilation device, a worker assembles the ventilation device at the vent position of the closed channel, then rotates the adjusting hand wheel 5 to drive the transmission bevel gear 19 to rotate, and through the meshing transmission of the transmission bevel gear 19 and the synchronous bevel gear A18 and the synchronous bevel gear B20, the first transmission main shaft 17 and the second transmission main shaft 21 are driven to rotate forwards and backwards, the first transmission worm 16 and the second transmission worm 22 are driven to rotate forwards and backwards synchronously, the air outlet louver 3 and the air inlet louver 7 are pushed to swing symmetrically in the forward and reverse directions through meshing transmission of the first transmission worm 16 and the second transmission worm 22 with the first transmission worm wheel 15 and the second transmission worm wheel 23, the air outlet louver 3 faces upwards, exhausted air is discharged upwards, the air inlet louver 7 faces downwards synchronously, new air at the external low position is sucked, the cross suction condition is avoided, and when the air outlet louver 3 and the air inlet louver 7 are closed when the air inlet louver is not used, and the ventilation device is sealed.

The working principle of the utility model is as follows: during the assembly and use of the ventilation device, a worker assembles the ventilation device at the vent position of the closed channel, further rotates the adjusting hand wheel 5 to drive the transmission bevel gear 19 to rotate, drives the first transmission main shaft 17 and the second transmission main shaft 21 to rotate in the forward and reverse directions through the meshing transmission of the transmission bevel gear 19, the synchronous bevel gear A18 and the synchronous bevel gear B20, synchronously drives the first transmission worm 16 and the second transmission worm 22 to rotate in the forward and reverse directions, pushes the air outlet louver 3 and the air inlet louver 7 to symmetrically swing in the forward and reverse directions through the meshing transmission of the first transmission worm 16 and the second transmission worm 22, the first transmission worm 15 and the second transmission worm 23, enables the air outlet louver 3 to face upwards, discharges the discharged air upwards, and synchronously enables the air inlet louver 7 to face downwards, sucks in new air at the lower part of the outside, the cross suction condition is avoided, when the air purifier is not used, the air outlet shutter 3 and the air inlet shutter 7 can be closed, the ventilation device is sealed, further, in the working process of the ventilation device, the exhaust fan 10 works to continuously exhaust the air in a closed channel at negative pressure, in the exhaust process, the adsorption net layers 11 which are symmetrically arranged in a staggered mode in the positive direction and the reverse direction can adsorb and purify the air, the air exhaust efficiency can be ensured, the phenomenon that the filter net layers are too thick and influence the exhaust efficiency is avoided, the synchronous air inlet fan 12 works to suck the external new air at positive pressure, in the suction process, the dust cover 14 and the purification net layers 13 sequentially filter and purify the external new air, the clean new air is continuously conveyed into the closed channel, and the air freshness in the closed channel is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A ventilation device for closing a passage is characterized by comprising a ventilation assembly and a fan bracket assembly, wherein the fan bracket assembly is fixed at the position of a wind port of the ventilation assembly;

the ventilation assembly comprises a ventilation frame (1), an air outlet cavity (8) is formed in the position, located at the upper half part, of the inner side of the ventilation frame (1), an air inlet cavity (9) is formed in the position, located at the lower half part, of the inner side of the ventilation frame (1), an exhaust fan (10) and an adsorption net layer (11) are sequentially arranged on the inner side of the air outlet cavity (8) from left to right, and an air inlet fan (12), a purification net layer (13) and a dust cover (14) are sequentially arranged on the inner side of the air inlet cavity (9) from left to right;

the wind frame component comprises a transmission bracket (4), an air outlet window frame (2) is arranged above the transmission bracket (4), an air inlet window frame (6) is arranged below the transmission bracket (4), an air outlet louver (3) is symmetrically connected to the inner side of the air outlet window frame (2), an air inlet louver (7) is symmetrically connected to the inner side of the air inlet window frame (6), a first transmission main shaft (17) is rotatably connected to the inner side of the air outlet window frame (2) at one end position, a first transmission worm (16) is symmetrically sleeved on the outer side of the first transmission main shaft (17), a first transmission worm wheel (15) meshed with the first transmission worm (16) is arranged at one end position of the one end of the air outlet louver (3), a second transmission main shaft (21) is rotatably connected to the inner side of the air inlet window frame (6), a second transmission worm (22) is symmetrically sleeved on the outer side of the second transmission main shaft (21), one end of the air inlet shutter (7) is provided with a second transmission worm wheel (23) meshed with a second transmission worm (22), the end face of the output end of the first transmission main shaft (17) penetrating through the air outlet window frame (2) is provided with a synchronous bevel gear A (18), the end face of the output end of the second transmission main shaft (21) penetrating through the air outlet window frame (2) is provided with a synchronous bevel gear B (20), one end of the transmission support (4) is connected with an adjusting hand wheel (5) in an embedded mode, and the top end of the adjusting hand wheel (5) is provided with a transmission bevel gear (19).

2. A ventilation device for closed passage according to claim 1, characterized in that the number of said air outlet louver (3) and said air inlet louver (7) is not less than three, and the louver orientations of said air outlet louver (3) and said air inlet louver (7) are arranged symmetrically in forward and backward directions.

3. The ventilation and air-exchange device for closed passage as claimed in claim 1, wherein the sizes of the bevel synchronizing gear A (18) and the bevel synchronizing gear B (20) are the same, and the teeth of the bevel synchronizing gear A (18) and the bevel synchronizing gear B (20) are engaged with the teeth of the bevel transmission gear (19).

4. A ventilation device for enclosed passageways according to claim 1, characterized in that said outlet window frame (2) is at the outlet position of the outlet chamber (8) and said inlet window frame (6) is at the inlet position of the inlet chamber (9).

5. A ventilation and air-exchange device for closed passage according to claim 1, characterized in that said suction net layers (11) are in a trapezoidal structure, and the number of suction net layers (11) is three, and said suction net layers (11) are arranged in a staggered manner in a forward and reverse symmetry manner.

6. A ventilation and air-exchange device for closed passage according to claim 1, characterized in that said adsorption mesh layer (11) and said purification mesh layer (13) are made of activated carbon material, and said dust cover (14) is made of HEPA material.