Air volume control structure of fresh air system

Abstract

The utility model discloses a fresh air system air volume control structure which comprises a shell, fan blades, a blocking plate, a driving assembly, a transmission assembly, a transmission mechanism and an air outlet. An installed driving assembly drives a transmission assembly and a transmission mechanism which are connected with the driving assembly to operate, the transmission assembly drives a blocking plate to rotate, the blocking plate rotates to adjust the size of an air inlet, then the air volume can be well regulated and controlled, the transmission mechanism drives fan blades to rotate, the fan blades rotate to accelerate the air flow speed in a shell, and the air flow speed is increased. And when the air outlet amount is fixed, the air exhaust speed of the air outlet is increased, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to an air volume control structure, in particular to an air volume control structure of a fresh air system. Background Art

[0002] The fresh air system is an independent air treatment system consisting of an air supply system and an exhaust system. It is divided into two types: ducted fresh air system and ductless fresh air system. The ducted fresh air system is composed of a fresh air fan and duct accessories. The fresh air fan purifies the outdoor air and introduces it into the room, and the indoor air is discharged through the duct; the ductless fresh air system is composed of a fresh air fan, which also purifies the outdoor air and introduces it into the room. The variable air volume control valve is a control mechanism for controlling the amount of air intake in the fresh air system; the air inlet duct in the previous fresh air system is very inconvenient to install, and the air intake volume cannot be changed by changing the size of the vent, which is very inconvenient. Therefore, it is necessary to design a fresh air system air volume control structure to solve this problem. Utility Model Content

[0003] The purpose of the utility model is to provide an air volume control structure for a fresh air system to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A fresh air system air volume control structure comprises a shell, one side of the shell is connected to an air inlet pipe, an air suction fan is installed on the air inlet pipe, and an air outlet is opened on the shell;

[0006] A fan blade is provided in the shell;

[0007] A blocking plate, which is arranged in the air outlet;

[0008] A drive assembly, the drive assembly is mounted on the housing;

[0009] A transmission assembly, one end of which is connected to the driving assembly, and the other end of which is connected to the blocking plate;

[0010] A transmission mechanism, one end of which is connected to the driving assembly, and the other end of which is connected to the fan blades.

[0011] As a further solution of the utility model: the driving assembly includes a dual-axis motor, and the dual-axis motor is installed on the housing;

[0012] A first drive shaft, one end of the first drive shaft is connected to the dual-shaft motor, and the other end of the first drive shaft is connected to the transmission assembly;

[0013] A second driving shaft, one end of the second driving shaft is connected to the dual-shaft motor, and the other end is connected to the fan blades.

[0014] As a further solution of the utility model: the transmission assembly includes a mounting plate, and the mounting plate is arranged on one side of the housing;

[0015] A driven shaft, one end of which is rotatably connected to the mounting plate, and the other end of which extends into the air outlet and is rotatably connected to the side wall of the air outlet, and the blocking plate is mounted on the driven shaft;

[0016] A connecting unit, one end of the connecting unit is connected to the first driving shaft, and the other end of the connecting unit is connected to the driven shaft.

[0017] As a further solution of the utility model: the transmission mechanism includes a rotating shaft, the rotating shaft is rotatably connected to the housing, and the fan blades are mounted on the rotating shaft;

[0018] A connecting mechanism, one end of the connecting mechanism is connected to the rotating shaft, and the other end is connected to the second driving shaft.

[0019] As a further solution of the utility model: a filter cover is arranged on one side of the air outlet.

[0020] Compared with the prior art, the beneficial effect of the utility model is as follows: when the device is in use, when the air volume is adjusted and controlled, under the action of the suction fan, the air inlet pipe conveys air into the shell, and the dual-axis motor drives the first drive shaft and the second drive shaft connected thereto to rotate, and the rotation of the first drive shaft drives the driven shaft to rotate through the connecting mechanism, and the rotation of the driven shaft drives the sealing plate to rotate, and the rotation of the sealing plate can thereby adjust the size of the air inlet, thereby playing a good regulating role on the air volume, thereby improving the practicality of the device, and the second drive shaft drives the rotating shaft to rotate through the connecting mechanism, and the rotation of the rotating shaft drives the fan blades to rotate, and the rotation of the fan blades can thereby accelerate the air flow rate in the shell, and when the size of the air outlet is constant, the exhaust speed of the air outlet is accelerated, and a dustproof protection effect can be played by providing a filter cover to prevent external dust or debris from entering the shell and causing blockage of the air outlet, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The figure is a structural schematic diagram of an air volume control structure of a fresh air system.

[0022] Figure 2 It is a structural diagram of the connecting mechanism.

[0023] Figure 3 A schematic diagram of the structure of the connection unit.

[0024] In the figure: 1. air inlet duct; 2. suction fan; 3. housing; 4. air outlet; 5. filter cover; 6. sealing plate; 7. driven shaft; 8. mounting plate; 10. dual-axis motor; 11. second drive shaft; 12. first drive shaft; 13. connecting unit; 14. connecting mechanism; 15. fan blades; 16. rotating shaft. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 3 As an embodiment of the utility model, a fresh air system air volume control structure includes a shell 3, one side of the shell 3 is connected to an air inlet pipe 1, the air inlet pipe 1 is installed with a suction fan 2, and the shell 3 is provided with an air outlet 4;

[0027] The fan blade 15 is provided in the housing 3;

[0028] A blocking plate 6, which is arranged in the air outlet 4;

[0029] A driving assembly, the driving assembly is mounted on the housing 3;

[0030] A transmission assembly, one end of which is connected to the driving assembly, and the other end is connected to the blocking plate 6;

[0031] The transmission mechanism has one end connected to the driving assembly and the other end connected to the fan blade 15 .

[0032] In this embodiment, when the device is in use and the air volume is adjusted and controlled, under the action of the suction fan 2, the air inlet pipe 1 transports air to the shell 3, and the installed driving assembly drives the transmission assembly and the transmission mechanism connected thereto to operate, and the transmission assembly drives the blocking plate 6 to rotate, and the rotation of the blocking plate 6 can thereby adjust the size of the air inlet, thereby playing a good regulating role on the air volume, and the transmission mechanism drives the fan blades 15 to rotate, and the rotation of the fan blades 15 can thereby accelerate the air flow rate in the shell 3, and when the size of the air outlet is constant, the exhaust speed of the air outlet 4 is accelerated, thereby improving the practicality of the device.

[0033] As an embodiment of the present utility model, the driving assembly includes a dual-axis motor 10, and the dual-axis motor 10 is installed on the housing 3;

[0034] A first drive shaft 12, one end of the first drive shaft 12 is connected to the dual-shaft motor 10, and the other end is connected to the transmission assembly;

[0035] The second driving shaft 11 has one end connected to the dual-axis motor 10 and the other end connected to the fan blades 15 .

[0036] In this embodiment, the dual-axis motor 10 drives the first drive shaft 12 and the second drive shaft 11 connected thereto to rotate, the first drive shaft 12 drives the transmission assembly connected thereto to operate, the transmission assembly drives the blocking plate 6 to rotate, the rotation of the blocking plate 6 can thereby adjust the size of the air inlet, thereby playing a good role in regulating the air volume, the second drive shaft 11 drives the transmission mechanism connected thereto to operate, the transmission mechanism drives the fan blades 15 to rotate, the rotation of the fan blades 15 can thereby accelerate the air flow rate in the shell 3, and when the size of the air outlet is constant, the exhaust speed of the air outlet 4 is accelerated, thereby improving the practicality of the device.

[0037] As an embodiment of the present utility model, the transmission assembly includes a mounting plate 8, and the mounting plate 8 is arranged on one side of the housing 3;

[0038] A driven shaft 7, one end of which is rotatably connected to a mounting plate 8, and the other end of which extends into the air outlet 4 and is rotatably connected to a side wall of the air outlet 4, and a blocking plate 6 is mounted on the driven shaft 7;

[0039] The connecting unit 13 has one end connected to the first driving shaft 12 and the other end connected to the driven shaft 7 .

[0040] In this embodiment, the dual-axis motor 10 drives the first drive shaft 12 to rotate. The rotation of the first drive shaft 12 drives the driven shaft 7 to rotate through the connecting mechanism 14. The rotation of the driven shaft 7 drives the blocking plate 6 to rotate. The rotation of the blocking plate 6 can adjust the size of the air inlet, thereby playing a good regulatory role on the air volume, thereby improving the practicability of the device.

[0041] Furthermore, the connecting unit 13 may be a gear set or a pulley set, etc., which will not be described in detail herein.

[0042] As an embodiment of the utility model, the transmission mechanism includes a rotating shaft 16, the rotating shaft 16 is rotatably connected to the housing 3, and the fan blade 15 is mounted on the rotating shaft 16;

[0043] The connecting mechanism 14 has one end connected to the rotating shaft 16 and the other end connected to the second driving shaft 11 .

[0044] In this embodiment, the dual-axis motor 10 drives the second drive shaft 11, and the second drive shaft 11 drives the rotating shaft 16 to rotate through the connecting mechanism 14. The rotation of the rotating shaft 16 drives the fan blades 15 to rotate. The rotation of the fan blades 15 can accelerate the air flow rate in the shell 3. When the size of the air outlet is constant, the exhaust speed of the air outlet 4 is accelerated, thereby improving the practicality of the device.

[0045] Furthermore, the connection mechanism 14 may be a gear set or a combination of a worm and a worm wheel, which will not be described in detail herein.

[0046] As an embodiment of the present utility model, a filter cover 5 is provided on one side of the air outlet 4 .

[0047] In this embodiment, a filter cover 5 is provided on one side of the air outlet 4. The filter cover 5 can play a dust protection role to prevent external dust or debris from entering the shell 3 and blocking the air outlet 4, thereby improving the practicability of the device.

[0048] The working principle of the utility model is: when the device is in use, when the air volume is adjusted and controlled, under the action of the suction fan 2, the air inlet pipe 1 conveys air to the shell 3, and the dual-axis motor 10 drives the first drive shaft 12 and the second drive shaft 11 connected thereto to rotate, and the first drive shaft 12 rotates and drives the driven shaft 7 to rotate through the connecting mechanism 14, and the driven shaft 7 rotates and drives the blocking plate 6 to rotate, and the blocking plate 6 rotates to adjust the size of the air inlet, thereby playing a good regulating role on the air volume, thereby improving the practicality of the device, the second drive shaft 11 drives the rotating shaft 16 to rotate through the connecting mechanism 14, and the rotating shaft 16 rotates and drives the fan blades 15 to rotate, and the rotation of the fan blades 15 can accelerate the air flow rate in the shell 3, and when the size of the air outlet is constant, the exhaust speed of the air outlet 4 is accelerated, and a dust protection effect can be played by providing a filter cover 5 to prevent external dust or debris from entering the shell 3, causing the air outlet 4 to be blocked, thereby improving the practicality of the device.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fresh air system air volume control structure, comprising a housing, characterized in that: One side of the shell is connected to an air inlet pipe, a suction fan is installed on the air inlet pipe, and an air outlet is opened on the shell; A fan blade is provided in the shell; A blocking plate, which is arranged in the air outlet; A drive assembly, the drive assembly is mounted on the housing; A transmission assembly, one end of which is connected to the driving assembly, and the other end of which is connected to the blocking plate; A transmission mechanism, one end of which is connected to the driving assembly, and the other end of which is connected to the fan blades.

2. A fresh air system air volume control structure according to claim 1, characterized in that: The driving assembly includes a dual-axis motor, which is mounted on the housing; A first drive shaft, one end of the first drive shaft is connected to the dual-shaft motor, and the other end of the first drive shaft is connected to the transmission assembly; A second driving shaft, one end of the second driving shaft is connected to the dual-shaft motor, and the other end is connected to the fan blades.

3. A fresh air system air volume control structure according to claim 2, characterized in that: The transmission assembly includes a mounting plate, which is arranged on one side of the housing; A driven shaft, one end of which is rotatably connected to the mounting plate, and the other end of which extends into the air outlet and is rotatably connected to the side wall of the air outlet, and the blocking plate is mounted on the driven shaft; A connecting unit, one end of the connecting unit is connected to the first driving shaft, and the other end of the connecting unit is connected to the driven shaft.

4. A fresh air system air volume control structure according to claim 3, characterized in that: The transmission mechanism includes a rotating shaft, which is rotatably connected to the housing, and the fan blades are mounted on the rotating shaft; A connecting mechanism, one end of the connecting mechanism is connected to the rotating shaft, and the other end is connected to the second driving shaft.

5. The air volume control structure of a fresh air system according to claim 1, characterized in that: A filter cover is arranged on one side of the air outlet.

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