Air purification fresh air system

Abstract

The utility model provides an air purification fresh air system relates to air purification equipment field, including air inlet pipe, mount and rotatingly install the intake fan on the mount, the intake fan includes shell and a plurality of fan blade, shell outer surface rotatingly install on the mount, and shell one end rotatingly connects with the one end of air inlet pipe, and the one end of shell is equipped with a plurality of fan blade. A plurality of adjusting frames are arranged on the outer side wall of the shell in the circumferential direction at equal intervals, the fan blades are rotationally installed on the inner side wall of the shell through a plurality of supporting rods, one ends of the supporting rods are rotationally connected with the inner side walls of the adjusting frames, arc-shaped sliding grooves are formed in the adjusting frames, and a driving mechanism used for driving the shell to rotate is further arranged on the fixing frame. The air volume can be changed by changing the rotating angle of the fan blades, the situation that energy consumption is increased due to the fact that operation with constant power is maintained is avoided, the air inlet volume can be adjusted without additionally arranging a control system of the motor, and the operation cost is reduced to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification equipment field especially relates to an air purification fresh air system. BACKGROUND

[0002] The fresh air purification system is composed of a fan, an air inlet, an air outlet and various pipes and joints, the fan installed in the ceiling is connected with a series of air outlets through pipes, the fan is started, the polluted air in the room is discharged to the outdoor through the air outlet and the fan, the fresh air in the outdoor enters the room through the air inlet installed above the window frame (between the window frame and the wall), the air in the room is filtered, disinfected, sterilized, oxygenated and preheated (in winter) while the fresh air is supplied, the exhaust air exchanges heat with the fresh air when passing through the main machine, most of the energy is recovered and sent back to the room through the fresh air to achieve the purpose of air purification in the room, so that the people in the room can breathe the high-quality fresh air.

[0003] The existing publication number CN214370780U discloses a kind of fresh air purifier, including the air inlet shell and the air outlet shell fixedly connected by connecting plate, air inlet shell is hollow and is provided with four threaded columns in one side inner wall fixed mounting, threaded column is connected with fixed block by nut sleeve, fixed block is movably connected with frame, frame is fixedly installed with primary filter screen in it and top and bottom are frictionally connected with pad, air inlet shell is movably installed with air inlet door on the side away from air outlet shell, and air inlet is provided in the center of air inlet door;Fan frame is fixedly welded on the inner wall of the side of air outlet shell close to air inlet shell, and louvered air outlet door is movably installed on the other side, fan is fixedly connected in fan frame by bolt, one end of fan away from air outlet shell extends to air inlet shell, carbon filter screen is fixedly installed in air outlet shell by fixed block, and control panel is fixedly installed on the outer wall of the side of air outlet shell.

[0004] But the above-mentioned fresh air purifier, when using, its fan is constant speed rotation, the air intake is fixed, when indoor air quality is better, its fan still maintains constant power operation, causes the increase of energy consumption.

[0005] Therefore, it is necessary to provide a new air purification fresh air system to solve the above technical problems. UTILITY MODEL CONTENT

[0006] To solve the above technical problems, the utility model provides an air purification fresh air system.

[0007] The air purification fresh air system provided by this utility model includes an air inlet pipe, a fixed frame, and an air inlet fan rotatably mounted on the fixed frame. The air inlet fan includes a housing and multiple fan blades. The outer surface of the housing is rotatably mounted on the fixed frame, and one end of the housing is rotatably connected to one end of the air inlet pipe. Multiple adjustment frames are provided at equal intervals in the circumferential direction on the outer wall of the housing. The multiple fan blades are rotatably mounted on the inner wall of the housing through multiple support rods. One end of the multiple support rods is rotatably connected to the inner wall of the multiple adjustment frames. Each of the multiple adjustment frames is provided with an arc-shaped sliding groove.

[0008] An adjustment handle is fixedly connected to the outer surface of the support rod. A positioning rod is fixed to one side of the adjustment handle and is slidably installed in the arc-shaped groove. A fixing cap is threaded to one end of the positioning rod and fits against the outer wall of the adjustment frame.

[0009] The mounting bracket is also equipped with a drive mechanism for rotating the housing.

[0010] Furthermore, the fixing frame includes a base frame and two opposing track sliding rings, the two track sliding rings being fixedly installed at both ends of the base frame;

[0011] Multiple positioning pulleys are slidably installed on the inner side wall of the track slide ring, and mounting plates are rotatably installed on one side of each positioning pulley. The mounting plates are respectively fixedly installed on the outer surface of the housing.

[0012] Furthermore, the drive mechanism includes a drive motor, a gear, and a driven gear ring. The drive motor is fixedly mounted on the base frame, and the output end of the drive motor is fixedly connected to the gear. The driven gear ring is fixedly mounted on the outer surface of the housing, and the driven gear ring meshes with the gear.

[0013] Furthermore, a semi-circular mounting groove is provided in the middle section of the air inlet duct, and a filter cover is rotatably fastened in the semi-circular mounting groove provided in the air inlet duct.

[0014] Furthermore, the filter cover is sealed to the periphery of the semi-circular mounting groove of the air inlet duct.

[0015] Furthermore, the filter hood includes a hood body and multiple air filter plates that are detachably mounted on the inner side wall of the hood.

[0016] Furthermore, the outer surface of the cover is also equipped with handles.

[0017] Compared with related technologies, the air purification and fresh air system provided by this utility model has the following beneficial effects:

[0018] The positioning rod is slid in the arc-shaped sliding groove by rotating the adjusting handle, the support rod and the fan blade are rotated in the inside of the shell, the rotating angle of the fan blade is changed along with the rotating of the support rod, then the rotating angle of the fan blade can be fixed by the fixing cap, the air volume can be changed by changing the rotating angle of the fan blade, the operation of maintaining constant power is avoided, and the energy consumption is increased, the air inlet volume can be adjusted without additionally increasing the control system of the motor, and the operation cost is reduced to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The overall structural schematic diagram of the air purification fresh air system is provided.

[0020] Figure 2 The overall structural schematic diagram of the air inlet fan is provided.

[0021] Figure 3 The overall structural schematic diagram of the air inlet fan is provided. Figure 2 The enlarged structural schematic diagram of A shown in the figure.

[0022] Figure 4 The structural schematic diagram of the filter cover is provided.

[0023] Figure 5 The structural schematic diagram of the fixing frame is provided.

[0024] Figure 6 The structural schematic diagram of the adjusting frame is provided.

[0025] Reference signs in the figure: 1, air inlet pipe; 2, shell; 3, fan blade; 4, adjusting frame; 5, support rod; 6, arc-shaped sliding groove; 7, adjusting handle; 8, positioning rod; 9, fixing cap; 10, base frame; 11, track sliding ring; 12, positioning pulley; 13, mounting plate; 14, driving motor; 15, gear; 16, driven gear ring; 17, cover body; 18, air filter plate; 19, handle. DETAILED DESCRIPTION

[0026] The utility model is further described in connection with the drawings and embodiments.

[0027] As Figures 1 to 6As shown, the air purification fresh air system, including the air inlet pipe 1, fixed frame and rotatingly installed on the fixed frame air inlet fan, air inlet fan including the shell 2 and a plurality of fan blades 3, the shell 2 outer surface is rotatably mounted on the fixed frame, and the shell 2 one end and the air inlet pipe 1 one end rotatably connected, the outer wall of the shell 2 is circumferentially equidistantly provided with a plurality of adjusting frame 4, a plurality of fan blades 3 are rotatably installed on the inner wall of the shell 2 through a plurality of support rods 5, one end of the plurality of support rods 5 is rotatably connected with the inner wall of the plurality of adjusting frame 4, the plurality of adjusting frame 4 are all provided with arc-shaped sliding groove 6, the fixed frame is further provided with a driving mechanism for driving the shell 2 to rotate, when the shell 2 rotates, a plurality of fan blades 3 rotate, the external air can be sucked into the air inlet pipe 1.

[0028] Reference Figure 1 With Figure 6 As shown, the outer surface of the support rod 5 is fixedly connected with the adjusting handle 7, one side of the adjusting handle 7 is fixedly connected with the positioning rod 8, and the positioning rod 8 is slidably installed in the arc-shaped sliding groove 6, one end of the positioning rod 8 is threadedly connected with the fixing cap 9, and the fixing cap 9 is in close contact with the outer wall of the adjusting frame 4, the positioning rod 8 is slid in the arc-shaped sliding groove 6 by rotating the adjusting handle 7, the support rod 5 and the fan blade 3 rotate in the inner side of the shell 2, at this time, the rotation angle of the fan blade 3 changes with the rotation of the support rod 5, then the rotation angle of the fan blade 3 can be fixed by the fixing cap 9, the air volume can be changed by changing the rotation angle of the fan blade 3, avoiding maintaining constant power operation, causing the increase of energy consumption, the utility model does not need to additionally increase the control system of the motor to adjust the air inlet volume, which reduces the operation cost to a certain extent.

[0029] Reference Figure 5 As shown, the fixed frame includes a base frame 10 and two opposite track sliding rings 11, and the two track sliding rings 11 are fixedly installed at both ends of the base frame 10. The inner wall of the track sliding ring 11 is slidably installed with a plurality of positioning pulleys 12, one side of the plurality of positioning pulleys 12 is rotatably installed with a mounting plate 13, and the plurality of mounting plates 13 are fixedly installed on the outer surface of the shell 2. The positioning pulley 12 can improve the rotation effect of the shell 2 and increase the support force of the shell 2.

[0030] The driving mechanism includes a driving motor 14, a gear 15 and a driven gear ring 16, the driving motor 14 is fixedly installed on the base frame 10, the output end of the driving motor 14 is fixedly connected with the gear 15, the driven gear ring 16 is fixedly installed on the outer surface of the shell 2, and the driven gear ring 16 is engaged with the gear 15. The driving motor 14 is started to drive the gear 15 to rotate, and the shell 2 is driven to rotate by the meshing cooperation of the gear 15 and the driven gear ring 16, so that the plurality of positioning pulleys 12 on the surface of the shell 2 rotate along the inner side of the track sliding ring 11.

[0031] The middle section of the air inlet pipe 1 is provided with a semicircular mounting groove, and a filter cover is rotatably buckled in the semicircular mounting groove of the air inlet pipe 1, and the filter cover is sealingly connected with the circumferential side of the semicircular mounting groove of the air inlet pipe 1, and the sealing mode can be reinforced by a sealing strip to prevent air in the air inlet pipe 1 from overflowing.

[0032] Reference Figure 4 As shown in the figure, the filter cover comprises a cover body 17 and a plurality of air filter plates 18 which are detachably installed on the inner side wall of the cover body 17, wherein the air filter plates 18 can be filter screens, activated carbon plates or other filter plates having air purification effect, and the outer surface of the cover body 17 is further provided with a handle 19 for facilitating opening of the cover body 17. The fixing mode of the cover body 17 can adopt buckle connection or natural gravity falling.

[0033] The working principle of the utility model is as follows: when the system is used, the driving motor 14 is started to drive the gear 15 to rotate, the gear 15 is engaged with the driven gear ring 16 to drive the shell 2 to rotate, the plurality of positioning pulleys 12 on the surface of the shell 2 rotate along the inner side of the track sliding ring 11, when the shell 2 rotates, the plurality of fan blades 3 rotate, external air can be sucked into the air inlet pipe 1, the positioning rod 8 slides in the arc-shaped sliding groove 6 through the rotation adjustment knob 7, the support rod 5 and the fan blade 3 rotate in the inner side of the shell 2, at this time, the rotation angle of the fan blade 3 changes with the rotation of the support rod 5, then the rotation angle of the fan blade 3 can be fixed through the fixing cap 9, the rotation angle of the fan blade 3 is changed to change the air volume, so that the constant power operation is avoided, and the energy consumption is increased.

[0034] The circuit and control involved in the utility model are prior art, and will not be described in detail here.

[0035] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. An air purification fresh air system, characterized in that, The utility model provides an air inlet pipe (1), fixed frame and rotating installation of air inlet machine on fixed frame, the air inlet machine includes casing (2) and a plurality of fan blade (3), casing (2) outer surface rotating installation is on fixed frame, and one end of casing (2) is rotatingly connected with one end of air inlet pipe (1), the outer side wall of casing (2) is provided with a plurality of adjusting frame (4) in equidistance circumferentially, a plurality of fan blade (3) are rotatingly installed in the inner side wall of casing (2) through a plurality of support rod (5), one end of a plurality of support rod (5) is rotatingly connected with the inner side wall of a plurality of adjusting frame (4), a plurality of adjusting frame (4) are all provided with arc-shaped sliding slot (6); The outer surface of the support rod (5) is fixedly connected with an adjusting handle (7), one side of the adjusting handle (7) is fixedly connected with a positioning rod (8), and the positioning rod (8) is slidingly installed in the arc-shaped sliding slot (6), one end of the positioning rod (8) is threadedly connected with a fixing cap (9), and the fixing cap (9) is attached to the outer side wall of the adjusting frame (4); The fixed frame is further provided with a driving mechanism for driving the casing (2) to rotate.

2. The air purification fresh air system according to claim 1, characterized in that, The fixed frame includes a base frame (10) and two opposite track sliding rings (11), and the two track sliding rings (11) are fixedly installed at both ends of the base frame (10); The inner side wall of the track sliding ring (11) is slidingly installed with a plurality of positioning pulleys (12), one side of each of the plurality of positioning pulleys (12) is rotatingly installed with a mounting plate (13), and the plurality of mounting plates (13) are fixedly installed on the outer surface of the casing (2).

3. The air purification fresh air system of claim 2, wherein, The driving mechanism includes a driving motor (14), a gear (15) and a driven gear ring (16), the driving motor (14) is fixedly installed on the base frame (10), the output end of the driving motor (14) is fixedly connected with the gear (15), and the driven gear ring (16) is fixedly installed on the outer surface of the casing (2) and engaged with the gear (15).

4. The air purification fresh air system of claim 1, wherein, The middle section of the air inlet pipe (1) is provided with a semicircular mounting groove, and the semicircular mounting groove of the air inlet pipe (1) is rotatably buckled with a filter cover.

5. The air purification fresh air system of claim 4, wherein, The filter cover is sealingly connected with the semicircular mounting groove of the air inlet pipe (1).

6. The air purification fresh air system according to claim 4 or 5, characterized in that, The filter cover includes a cover body (17) and a plurality of air filter plates (18) detachably installed on the inner side wall of the cover body (17).

7. The air purification fresh air system of claim 6, wherein, The outer surface of the cover body (17) is further provided with a handle (19).

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