WO2021056375A1

WO2021056375A1 - Fresh air handling unit

Info

Publication number: WO2021056375A1
Application number: PCT/CN2019/108356
Authority: WO
Inventors: 吴凌强
Original assignee: 苏州德佳净化钢结构有限公司
Priority date: 2019-09-26
Filing date: 2019-09-27
Publication date: 2021-04-01
Also published as: CN110553333A

Abstract

A fresh air handling unit, comprising a fan housing (1) and a fan main body (2); the fan main body (2) is fixedly installed at the interior of the fan housing (1), a driving device (3) is fixedly installed at the interior of the fan main body (2), a filtering device (4) is fixedly connected at the interior of the driving device (3), an air inlet pipe (10) is fixedly installed at the interior of the driving device (3), and a clamping base (18) is fixedly installed at the interior of the filtering device (4); the outer surface of the clamping base (18) is fixedly connected to a connecting rod (17), the outer surface of the clamping base (18) is fixedly connected to a limiting rod (21) at the edge at which the connecting rod (17) is located, and a rotating wheel (20) is rotatably installed at the outer surface of the limiting rod (21); a filtering plate (19) is clamped at the center of a side surface of a conveying device (8), and the center of a side surface of the filtering plate (19) is provided with an insertion hole (14); and one end of a motor (7) is fixedly connected to a fixing plate (16). In the described fresh air handling unit, an air inlet filtering device may be quickly replaced and disassembled, thus avoiding the complete disassembly of the fresh air handling unit, and improving the working efficiency.

Description

A new fan unit

Technical field

The invention relates to the technical field of fresh air unit equipment, in particular to a fresh air unit.

Background technique

In the central air-conditioning system, the fresh air unit is one of the very important components. Its function is to supplement and circulate the fresh air from the outside into the room. In order to prevent impurities in the outside air from entering the central air-conditioning system, it is usually at the air inlet of the fresh air unit. The installation of the filter device causes that when the air inlet filter device of the existing fresh air unit is replaced, the new air unit needs to be disassembled to replace and clean the filter device, which takes time and effort to affect the use, so a new air unit is needed to solve the above problems The problem.

Summary of the invention

The purpose of the present invention is to provide a fresh air unit to solve the problems raised in the background art.

In order to achieve the above objective, the present invention provides the following technical solution: a new fan unit, comprising a fan housing and a fan main body, the fan main body is fixedly installed inside the fan casing, and a driving device is fixedly installed inside the fan main body. The inside of the drive device is fixedly connected with a filter device, the inside of the drive device is fixedly installed with an air inlet pipe, the inner surface of the air inlet pipe is provided with a slide, and the inner edge of the inner end of the air inlet pipe is fixedly installed with a fan fan The center of the side of the fan blade is rotatably connected with a transmission device, one end of the transmission device is rotatably connected with a motor, and the center of the other side of the fan blade is fixedly connected with a plug rod, the plug rod A fastening nut is rotatably connected to one end of the filter device, a clamping base is fixedly installed inside the filter device, a connecting rod is fixedly connected to the outer surface of the clamping base, and the outer surface of the clamping base is located at the edge of the connecting rod The limit rod is fixedly connected, the outer surface of the limit rod is rotatably installed with a runner, the center of the side of the transmission device is clamped with a filter plate, the center of the side of the filter plate is provided with an insertion hole, and the motor One end is fixedly connected with a fixing plate, two ends of the side of the fixing plate are rotatably installed with fastening screws, one end of the other connecting rod on the outer surface of the clamping base is rotatably connected with a shaft, and both ends of the shaft are rotatably connected There is a protective net, the center of the side of the protective net is provided with a connecting hole, and the side edge of the protective net is fixedly connected with a grip.

Preferably, the driving device is rotatably connected with the fan blades of the fan through a transmission device.

Preferably, the filter plate is slidably connected to the air inlet pipe through a connecting rod, a clamping base and a limit rod.

Preferably, the filter plate is plugged into the plug rod through the plug hole.

Preferably, the fastening screw is screwed to the side edge of the protective net through a fixing plate.

Preferably, the fastening nut is screw-connected to the outer surface of one end of the plug-in rod, and the side surface of the fastening nut is in contact with the outer side of the protective net, and the outer surface of the plug-in rod is rotatably connected with extrusion Piece.

Compared with the prior art, the beneficial effects of the present invention are as follows:

The invention is connected to the fan blades by the driving device through the conveying device in rotation, so as to drive the fan blades to rotate and bring the wind into the fan shell, and the filter plate is connected with the inlet through the connecting rod, the clamping base and the limit rod. The air ducts are connected in a sliding way, which facilitates the replacement and cleaning of the filter plate. The filter plate is inserted into the plug rod through the insertion hole, so that the filter plate can be fixed in the air inlet duct without shaking, and the fastening screw passes through The fixing plate is screwed to the side edge of the protective net, so that the protective net can be fixed after rotating and adjusting. The fastening nut is screwed on the outer surface of one end of the plug rod, and the side of the fastening nut is opposite to the outer side of the protective net. Contact, so as to squeeze the outer side of the protective net, so as to firmly fix the filter device in the inside of the air inlet duct. The outer surface of the plug rod rotates and connects the squeeze block to fix the filter plate and prevent filtering. The board slides inside the plug rod.

Description of the drawings

Figure 1 is a schematic diagram of the main structure of the present invention;

Figure 2 is a schematic cross-sectional view of the main body of the present invention;

Fig. 3 is a schematic sectional view of the main body of the fan of the present invention;

Fig. 4 is a schematic cross-sectional view of the driving device of the present invention;

Fig. 5 is an expanded schematic diagram of the filtering device of the present invention.

In the picture: 1-fan housing, 2-fan main body, 3-drive device, 4-filter device, 5-fastening nut, 6-slide, 7-motor, 8-transmission device, 9-fan blades, 10-inlet duct, 11-plug rod, 12-grip, 13-protection net, 14-plug hole, 15-fastening screw, 16-fixing plate, 17-connecting rod, 18-clamping base, 19-filter plate, 20-runner, 21-limit rod, 22-rotation shaft, 23-connection hole

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Please refer to Figures 1-5, an embodiment provided by the present invention: a new fan unit includes a fan housing 1 and a fan main body 2. The fan main body 2 is fixedly installed inside the fan casing 1, and the fan main body 2 is fixedly installed inside Driving device 3, the inside of the driving device 3 is fixedly connected with the filter device 4, the inside of the driving device 3 is fixedly installed with an air inlet pipe 10, the inner surface of the air inlet pipe 10 is provided with a slide 6 and the inner edge of the air inlet pipe 10 A fan blade 9 is fixedly installed. The center of the side of the fan blade 9 is rotatably connected with a conveying device 8, one end of the conveying device 8 is rotatably connected with a motor 7, and the center of the other side of the fan blade 9 is fixedly connected with a plug rod 11 , One end of the plug rod 11 is rotatably connected with a fastening nut 5, the filter device 4 is fixedly installed with a clamping base 18, and the outer surface of the clamping base 18 is fixedly connected with a connecting rod 17, which is clamped to the outer surface of the base 18. The edge of the connecting rod 17 is fixedly connected to the limit rod 21, the outer surface of the limit rod 21 is rotatably installed with a runner 20, the center of the side of the conveying device 8 is clamped with a filter plate 19, and the center of the side of the filter plate 19 is provided with a plug In the hole 14, one end of the motor 7 is fixedly connected with a fixing plate 16, the two ends of the side of the fixing plate 16 are rotatably installed with fastening screws 15, and the outer surface of the clamping base 18 is rotatably connected with a shaft 22 at one end of the other connecting rod 17, and The two ends of the rotating shaft 22 are rotatably connected with the protective net 13, the side center of the protective net 13 is provided with a connecting hole 23, the side edge of the protective net 13 is fixedly connected with a handle 12, and the driving device 3 is connected to the fan blade 9 through the conveying device 8. The rotating connection can drive the fan blade 9 to rotate and bring the wind into the fan housing 1. The filter plate 19 is slidably connected to the air inlet duct 10 through the connecting rod 17, the clamping base 18 and the limit rod 21, thereby It is beneficial to replace and clean the filter plate 19. The filter plate 19 is inserted into the plug rod 11 through the insertion hole 14, so that the filter plate 19 can be fixed in the air inlet duct 10 without shaking, and the fastening screw 15 passes The fixing plate 16 is screw-connected with the side edge of the protective net 13 to allow the protective net 13 to be rotated and adjusted to be fixed. The fastening nut 5 is screw-connected to the outer surface of one end of the plug rod 11, and the side of the fastening nut 5 In contact with the outer surface of the protective net 13, the outer surface of the protective net 13 can be squeezed, so that the filter device 4 is firmly fixed inside the air inlet duct 10, and the outer surface of the plug rod 11 is squeezed in rotation. The block can fix the filter plate 19 and prevent the filter plate 19 from sliding inside the plug rod 11. .

The driving device 3 is rotatably connected with the fan blade 9 through the conveying device 8. The filter plate 19 is slidably connected to the air inlet duct 10 through the connecting rod 17, the clamping base 18 and the limit rod 21, and the filter plate 19 passes through the insertion hole 14 Connected with the plug rod 11, the fastening screw 15 is screwed to the side edge of the protective net 13 through the fixing plate 16, the fastening nut 5 is screwed on the outer surface of one end of the plug rod 11, and the fastening nut The side surface of 5 is in contact with the outer surface of the protective net 13, and the outer surface of the plug rod 11 is rotatably connected with an extrusion block.

Working principle: When disassembling, first turn the fastening nut 5 away from the outer surface of one end of the plug rod 11, and then pull the grip 12 with both hands to drive the filter plate 19 inside the air inlet duct 10 through the connecting rod 17 and the clamping base 18 At the same time, the runner 20 on the outer side of the limit rod 21 will rotate inside the slide 6 to improve the smoothness of the filter device 4 sliding inside the air inlet duct 10, and then the clamping base 18 will slide to the air inlet duct 10 Stop pulling the handle 12 at the edge, then turn the fastening screw 15 to separate from the inner side edge of the protective net 13, and then rotate the protective net 13 with the shaft 22 as the axis, so that the upper edge of the protective net 13 is away from the fixed plate 16 until it meets The ground is parallel, and then rotate the extrusion block on the outer surface of the plug rod 11 to separate from the outer surface of the plug rod 11, and then slide the filter plate 19 from the side of the clamping base 18 and between the connecting rod 17 and the limit rod 21. , And make the center of the filter plate 19 separate from the outer surface of the plug rod 11, then tilt the filter plate 19 out of the filter device 4, and then replace the new filter plate 19 and install it inside the filter device 4, and then squeeze it The block is screw-connected with the plug rod 11 and contacting and squeezing with the side of the filter plate 19, thereby fixing the position of the filter plate 19, and then rotating the protective net 13 to restore the original position, and then rotating the fixing plate 16 to spiral with the protective net 13 After connecting, push the handle 12 with both hands to drive the insertion hole 14 to slide inside the air inlet duct 10 until the filter device 4 returns to the initial position, and then rotate the fastening nut 5 to connect with the outer surface of one end of the insertion rod 11 in a spiral manner. Fix the filter device 4 inside the air inlet duct 10 to complete the replacement and cleaning.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A new fan unit, comprising a fan casing (1) and a fan main body (2), characterized in that: the fan main body (2) is fixedly installed inside the fan casing (1), and the inside of the fan main body (2) is fixed A driving device (3) is installed, the inside of the driving device (3) is fixedly connected with a filter device (4), and the inside of the driving device (3) is fixedly installed with an air inlet duct (10), the air inlet duct (10) is provided with a slideway (6) on the inner surface of the air inlet duct (10), a fan blade (9) is fixedly installed on the edge of the inner end of the air inlet duct (10), and the center of the side of the fan blade (9) is rotatably connected with A conveying device (8), one end of the conveying device (8) is rotatably connected with a motor (7), and the center of the other side of the fan blade (9) is fixedly connected with a plug rod (11), and the plug A fastening nut (5) is rotatably connected to one end of the post (11), a clamping base (18) is fixedly installed inside the filter device (4), and the outer surface of the clamping base (18) is fixedly connected There is a connecting rod (17). The outer surface of the clamping base (18) is located on the edge of the connecting rod (17) and is fixedly connected to the limit rod (21). The outer surface of the limit rod (21) is rotatably installed with a rotary Wheel (20), the center of the side of the conveyor (8) is clamped with a filter plate (19), the center of the side of the filter plate (19) is provided with a plug hole (14), the motor (7) One end is fixedly connected with a fixing plate (16), the two ends of the side of the fixing plate (16) are rotatably installed with fastening screws (15), and the other connecting rod (17) on the outer surface of the clamping base (18) A shaft (22) is rotatably connected to one end of the shaft (22), a protective net (13) is rotatably connected to both ends of the shaft (22), a connecting hole (23) is opened in the center of the side of the protective net (13), and the protective net The side edge of (13) is fixedly connected with a grip (12).
A new fan unit according to claim 1, characterized in that the driving device (3) is rotatably connected with the fan blades (9) through a conveying device (8).
The new fan unit according to claim 1, wherein the filter plate (19) is connected to the air inlet duct (10) through the connecting rod (17), the clamping base (18) and the limit rod (21). Phase sliding connection.
The new fan unit according to claim 1, characterized in that the filter plate (19) is plugged into the plug rod (11) through the plug hole (14).
The new fan unit according to claim 1, wherein the fastening screw (15) is screwed to the side edge of the protective net (13) through a fixing plate (16).
The new fan unit according to claim 1, characterized in that: the fastening nut (5) is screwed on the outer surface of one end of the plug rod (11), and the fastening nut (5) The side surface is in contact with the outer side surface of the protective net (13), and the outer surface of the plug rod (11) is rotatably connected with an extrusion block.