Indoor fresh air pipeline with air purification function

Abstract

The invention relates to the technical field of air treatment, and discloses an indoor fresh air pipeline with an air purification function, mounting mechanisms are arranged on a connecting box and a wall body, adjusting mechanisms are arranged on the connecting box, an HEPA filter screen and a wire mesh, assembling mechanisms are arranged on a shutter air inlet window and the connecting box, and each adjusting mechanism comprises a connecting assembly and a fixing assembly. The connecting assembly comprises a connecting plate, bevel gears are in meshed connection with the upper and lower surfaces of the bevel gear respectively, a worm is fixedly connected to the axis of each bevel gear, a worm gear is in meshed connection with the surface of each worm, a rotating rod is fixedly connected to the axis of each worm gear, and a connecting seat is fixedly connected to the surface of each rotating rod. According to the indoor fresh air pipeline with the air purification function, the connecting base is inserted into the square groove, an HEPA filter screen can be installed and arranged on the front face of the connecting box, large pressure can be conveniently generated by the centrifugal fan, outdoor air can be efficiently introduced into a room, at the moment, the HEPA filter screen can filter large-particle dust, hair and the like, and the indoor fresh air pipeline is high in strength and easy to clean.

Description

Technical Field

[0001] The invention relates to the technical field of air treatment, and in particular to an indoor fresh air duct with an air purification function. Background Art

[0002] As people's quality of life improves and their attention to indoor environmental health increases, the importance of indoor fresh air systems becomes increasingly prominent. Traditional indoor fresh air ducts are mainly responsible for introducing fresh air from the outside and exhausting turbid air from the room to improve indoor air quality. However, their functions have many limitations.

[0003] According to announcement number CN222417886U, an anti-clogging fresh air duct device for air purification includes a cleaning pipe, a plurality of cleaning rings are movably connected to the right periphery of the cleaning pipe, and a water spray ring is arranged on the left rear end periphery of the cleaning ring.

[0004] In view of the above description, the applicant believes that there are the following problems: During use, even if the fresh air system in the device is equipped with some purification devices, most of them use simple filters, such as ordinary non-woven filters, which have low purification efficiency and can only filter larger particles of dust, but can hardly purify tiny particles and harmful gases. Moreover, these filters are easy to clog and need to be replaced frequently, which increases the cost of use and the difficulty of maintenance. Summary of the invention

[0005] The object of the present invention is to provide an indoor fresh air duct with an air purification function to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an indoor fresh air duct with air purification function, comprising a wall, a louver air inlet window, a HEPA filter, a connection box and a metal wire mesh, a pipe is fixedly connected to the back of the connection box, a centrifugal fan is fixedly connected to the inner wall of the connection box, a mounting mechanism is provided on the connection box and the wall, an adjustment mechanism is provided on the connection box, the HEPA filter and the metal wire mesh, and an assembly mechanism is provided on the louver air inlet window and the connection box; The adjustment mechanism includes a connecting component and a fixing component, and the fixing component is arranged on the connecting component; The connecting assembly includes a connecting plate, which is fixedly connected to the left and right sides of the HEPA filter, a long plate is fixedly connected between the upper and lower connecting plates, a rotating shaft is fixedly connected to the centers of the left and right sides of the connecting box, a handle is fixedly connected to the outer side of the rotating shaft, a bevel gear is fixedly connected to the surface of the rotating shaft, and the upper and lower surfaces of the bevel gear are respectively meshed with bevel gears, a worm is fixedly connected to the axis of the bevel gear, a worm wheel is meshed with the surface of the worm, a rotating rod is fixedly connected to the axis of the worm wheel, a connecting seat is fixedly connected to the surface of the rotating rod, square plates are fixedly connected to the left and right sides of the connecting box, and limiting plates are respectively fixedly connected to the outer ends of the square plates, and square grooves are provided on the outer sides of the upper and lower connecting plates.

[0007] According to the above technical solution, the number of the worm and the limit plate are four respectively and they form a group of two. The surface of the worm and the inside of the limit plate are rotationally connected, and the thread lines of the worm surface on the upper and lower sides are consistent in specifications and direction.

[0008] According to the above technical solution, the number of the connecting seat and the square grooves are four respectively, and they are grouped in pairs. The square grooves on the upper and lower sides are set as openings away from one side and the outer side of the connecting box. The surface of the connecting seat is plugged into the inside of the square groove. The connecting seat is plugged into the square groove. The HEPA filter can be installed on the front of the connecting box, which is convenient for the centrifugal fan to generate a higher pressure and efficiently introduce outdoor air into the room. At this time, the HEPA filter can filter large particles of dust, hair, etc., and has high strength and is easy to clean.

[0009] According to the above technical scheme, the fixing assembly includes a long block, which is fixedly connected to the two ends of the back side of the metal wire mesh, a long groove is opened on the front side of the connecting plate, the interior of the long groove is plugged into the surface of the long block, a square groove is opened inside the long block, the square groove is set to an opening on the side away from the connecting box, a square block is plugged into the square groove, the square blocks on the upper and lower sides are fixedly connected to the long seats on the side away from the connecting plate, a mounting seat is fixedly connected to the center of the outer side of the long seat, a long rod is fixedly connected between the upper and lower connecting plates, the long rod is arranged on the back side of the long plate, the upper and lower side surfaces of the long rod are respectively slidably connected with sliding seats, the outer sides of the upper and lower sliding seats are fixedly connected with springs, the sliding seat is fixedly connected to the mounting plate on the side away from the connecting plate, a slot is opened at the top and bottom of the mounting seat, an insert block is fixedly connected to the inner sides of the upper and lower mounting plates, the surface of the insert block is plugged into the interior of the slot, and bolts are threadedly connected between the insert block and the mounting seat.

[0010] According to the above technical solution, there are four springs in number and they form a group of two. The outer sides of the upper and lower springs are fixedly connected to the inner sides of the two connecting plates. The spring is arranged on the surface of the long rod. The rebound force of the spring drives the slide to slide, the slide drives the mounting plate, and the mounting plate drives the plug to be inserted into the slot. The wire mesh can be installed on the front of the HEPA filter. The wire mesh can filter tiny PM particles, bacteria, viruses, etc., and the purification efficiency is extremely high.

[0011] According to the above technical scheme, the assembly mechanism includes a fixing plate, which is fixedly connected to the top and bottom of the louver air inlet window, and the top and bottom centers of the connecting box are fixedly connected to a limited seat, the left and right sides of the limited seat are fixedly connected with electric push rods, and the other side of the electric push rod is fixedly connected with an insertion rod, and the top and bottom of the connecting box are respectively rotatably connected with rotating drums, and the number of the rotating drums is four and two are in a group, and the rotating drum is arranged on the left and right sides of the limited seat, and the inner wall of the rotating drum is provided with a sliding groove around, and a rotating rod is inserted in the rotating drum, and a handle is fixedly connected to the outer side of the rotating rod, and slide plates are fixedly connected to the surface of the rotating rod around, and the surface of the slide plate is slidably connected to the inside of the sliding groove, and the surface of the rotating drum is fixedly connected to a fixed seat, and the surface of the rotating drum is provided with a socket groove around, and the surface of the insertion rod is inserted in the socket groove, and a rectangular groove is provided on the back side of the fixed plate.

[0012] According to the above technical solution, the left and right sides and the back side of the rectangular groove are set as openings, the surface of the fixed seat is plugged into the inside of the rectangular groove, the fixed seat is plugged into the rectangular groove, and the plug rod is plugged into the socket groove. The rotating drum can be limited and fixed to prevent the rotating drum from rotating at will, and the louver air inlet window can be fixed and set up so that the louver air inlet window can prevent foreign objects from entering and can adjust the amount of fresh air entering.

[0013] According to the above technical solution, the installation mechanism includes a square seat, which is fixedly connected to the two ends of the back side of the connecting box, and an arc-shaped sleeve is fixedly connected to the back side of the square seat. An arc-shaped groove is provided on the inner circle of the arc-shaped sleeve, and sliders are slidably connected inside the upper and lower sides of the arc-shaped groove. Connecting rods are fixedly connected to the inner sides of the left and right sliders, and a push plate is fixedly connected to the surface of the connecting rod. A mounting block is fixedly connected to the back side of the connecting box, and placement grooves are provided on the outer sides of the push plates on the upper and lower sides. Nuts are fixedly connected to the left and right sides of the push plates respectively, and screws are threadedly connected to the inner sides of the nuts on the left and right sides.

[0014] According to the above technical solution, the number of the mounting blocks and placement slots is four respectively and they are grouped in pairs, the front and rear sides and the outer sides of the placement slots on the upper and lower sides are set as openings, and the surface of the mounting block and the inside of the placement slot are plugged in.

[0015] According to the above technical solution, through-hole grooves are provided inside the pushing plate and the mounting block, and the surface of the screw rod is inserted into the through-hole grooves provided inside the pushing plate and the mounting block.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are: The indoor fresh air duct with air purification function drives the shaft to rotate through the connection components. The handle drives the shaft to rotate, the shaft drives the bevel gear to rotate, the bevel gear drives the two sides and the bevel gear to rotate in meshing, the bevel gear drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating rod, the rotating rod drives the connecting seat to be inserted into the square groove, and the HEPA filter can be installed and set up on the front of the connecting box, so as to generate greater pressure in the centrifugal fan and efficiently introduce outdoor air into the room. At this time, the HEPA filter can filter large particles of dust, hair, etc., and has high strength and is easy to clean.

[0017] The indoor fresh air duct with air purification function uses a fixed component, a metal wire mesh drives the long block to be inserted into the long groove, and the square block to be inserted into the square groove. The sliding seat is driven to slide under the rebound force of the spring, and the sliding seat drives the mounting plate, and the mounting plate drives the plug-in block to be inserted into the slot. The metal wire mesh can be installed in front of the HEPA filter. The metal wire mesh can filter tiny PM. particles, bacteria, viruses, etc., and the purification efficiency is extremely high.

[0018] The indoor fresh air duct with air purification function drives the rotating drum to rotate by turning the handle through an assembly mechanism, and the rotating drum drives the fixing seat to be inserted into the rectangular groove, and the electric push rod drives the insertion rod to be inserted into the socket groove under operation, so that the rotating drum can be limited and fixed to prevent the rotating drum from rotating at will, and the louver air inlet window can be fixed to prevent foreign objects from entering, and the amount of fresh air entering can be adjusted at the same time.

[0019] The indoor fresh air duct with air purification function is installed through the installation mechanism, and the connecting rod drives the slider to slide in the arc groove, so that the installation block is inserted into the placement groove, and the screw thread is inserted into the nut, so that the overall equipment can be installed on the wall, which is convenient for conveying the fresh air from the outside to the room through the channel of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a three-dimensional diagram of the structure of the present invention; Figure 2 It is a right side split schematic diagram of part of the structure of the present invention; Figure 3 for Figure 2 A schematic diagram of the structure of the intercepted part; Figure 4 is a schematic diagram of the structure of the connection components; Figure 5 for Figure 4 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic diagram of the structure of the fixed component; Figure 7 for Figure 6 The enlarged structural diagram at B in the middle; Figure 8 is a structural schematic diagram of the assembly mechanism; Fig. 9 for Figure 8 The enlarged structural diagram at C in the middle; Fig.10 It is a schematic diagram of the rear view of the structure of the installation mechanism; Fig.11 for Fig.10 Schematic diagram of the structure of the intercepted part.

[0021] In the figure: 1, wall; 2, louver air inlet window; 3, assembly mechanism; 31, limit seat; 32, electric push rod; 33, socket slot; 34, fixed seat; 35, fixed plate; 36, rectangular slot; 37, slide slot; 38, handle; 39, rotating rod; 301, slide plate; 302, rotating drum; 303, plug rod; 4, adjustment mechanism; 41, connecting assembly; 411, worm gear; 412, connecting seat; 413, rotating rod; 414, connecting plate; 415, square slot; 416, long board; 417, bevel gear; 418, rotating shaft; 419, bevel gear; 4101, handle; 4102, limit plate; 4103, square plate; 4104 , worm; 42, fixing assembly; 421, spring; 422, plug; 423, mounting plate; 424, slot; 425, long rod; 426, bolt; 427, mounting seat; 428, long seat; 429, long slot; 4201, long block; 4202, square slot; 4203, square block; 4204, slide seat; 5, HEPA filter; 6, mounting mechanism; 61, arc-shaped sleeve; 62, arc-shaped slot; 63, screw; 64, square seat; 65, connecting rod; 66, placement slot; 67, mounting block; 68, push plate; 69, nut; 601, slider; 7, connecting box; 71, centrifugal fan; 8, wire mesh; 9, pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The present invention provides the following technical solutions: Embodiment 1

[0024] Combination Figures 1 to 7 , an indoor fresh air duct with air purification function, comprising a wall 1, a louver air inlet window 2, a HEPA filter 5, a connection box 7 and a metal wire mesh 8, a pipe 9 is fixedly connected to the back of the connection box 7, a centrifugal fan 71 is fixedly connected to the inner wall of the connection box 7, a mounting mechanism 6 is provided on the connection box 7 and the wall 1, an adjustment mechanism 4 is provided on the connection box 7, the HEPA filter 5 and the metal wire mesh 8, and an assembly mechanism 3 is provided on the louver air inlet window 2 and the connection box 7; The adjustment mechanism 4 includes a connecting component 41 and a fixing component 42, wherein the fixing component 42 is arranged on the connecting component 41; The connecting assembly 41 includes a connecting plate 414, which is fixedly connected to the left and right sides of the HEPA filter 5, and a long plate 416 is fixedly connected between the upper and lower connecting plates 414. A rotating shaft 418 is fixedly connected to the center of the left and right sides of the connecting box 7, and a handle 4101 is fixedly connected to the outer side of the rotating shaft 418. A bevel gear 417 is fixedly connected to the surface of the rotating shaft 418. The upper and lower surfaces of the bevel gear 417 are respectively meshed with bevel gears 419. A worm 4104 is fixedly connected to the axis of the bevel gear 419, and a worm wheel 411 is meshed with the surface of the worm 4104. A rotating rod 413 is fixedly connected to the axis of the worm wheel 411, and a connecting seat 412 is fixedly connected to the surface of the rotating rod 413. Square plates 4103 are fixedly connected to the left and right sides of the connecting box 7, and the two ends of the outer side of the square plate 4103 are respectively fixedly connected to the limit plates 4102, and square grooves 415 are provided on the outer sides of the upper and lower connecting plates 414. There are four worm gears 4104 and four limit plates 4102 in number and they are grouped in pairs. The surface of the worm gear 4104 and the interior of the limit plate 4102 are rotatably connected. The thread lines on the surfaces of the worm gear 4104 on the upper and lower sides are consistent in specifications and have the same direction. There are four connecting seats 412 and four square grooves 415 in number and they are grouped in pairs. The square grooves 415 on the upper and lower sides are set to be openings away from one side and the outer side of the connecting box 7, and the surface of the connecting seat 412 and the interior of the square groove 415 are plugged in.

[0025] Furthermore, the worm gear 411 drives the rotating rod 413, and the rotating rod 413 drives the connecting seat 412 to be inserted into the square groove 415, so that the HEPA filter 5 can be installed and set up on the front of the connecting box 7, so as to generate a large pressure in the centrifugal fan 71 and efficiently introduce outdoor air into the room. At this time, the HEPA filter 5 can filter large particles of dust, hair, etc., and has high strength and is easy to clean.

[0026] The fixing assembly 42 includes a long block 4201, which is fixedly connected to the two ends of the back of the metal wire mesh 8. A long groove 429 is provided on the front of the connecting plate 414, and the interior of the long groove 429 is plugged into the surface of the long block 4201. A square groove 4202 is provided inside the long block 4201, and the side of the square groove 4202 away from the connecting box 7 is set as an opening, and a square block 4203 is plugged into the square groove 4202. The upper and lower sides of the square block 4203 are fixedly connected to a long seat 428 away from the connecting plate 414, and a mounting seat 427 is fixedly connected to the center of the outer side of the long seat 428. A long rod 425 is fixedly connected between the upper and lower connecting plates 414, and the long rod 425 is arranged on the back of the long plate 416. The upper and lower surfaces of the rod 425 are respectively slidably connected with sliding seats 4204, and springs 421 are fixedly connected to the outer sides of the upper and lower sliding seats 4204. The sliding seat 4204 is fixedly connected to the mounting plate 423 on the side away from the connecting plate 414. Slots 424 are provided at the top and bottom of the mounting seat 427. Insert blocks 422 are fixedly connected to the inner sides of the upper and lower mounting plates 423. The surfaces of the insert blocks 422 are plugged into the interior of the slots 424. Bolts 426 are threadedly connected between the insert blocks 422 and the interior of the mounting seat 427. There are four springs 421, which are grouped in pairs. The outer sides of the upper and lower springs 421 are fixedly connected to the inner sides of the two connecting plates 414, and the springs 421 are arranged on the surface of the long rod 425.

[0027] Furthermore, the long block 4201 is inserted into the long groove 429, and the square block 4203 is inserted into the square groove 4202. Under the rebound force of the spring 421, the slide 4204 is driven to slide, and the slide 4204 drives the mounting plate 423, and the mounting plate 423 drives the plug 422 to be inserted into the slot 424. The metal wire mesh 8 can be installed on the front of the HEPA filter 5. The metal wire mesh 8 can filter tiny PM2.5 particles, bacteria, viruses, etc., and the purification efficiency is extremely high. Embodiment 2

[0028] See also Figure 1-9On the basis of the first embodiment, the assembly mechanism 3 further comprises a fixing plate 35, the fixing plate 35 is fixedly connected to the top and bottom of the shutter air inlet window 2, the top and bottom centers of the connection box 7 are fixedly connected to the limit seat 31, the left and right sides of the limit seat 31 are fixedly connected to the electric push rod 32, the other side of the electric push rod 32 is fixedly connected to the plug rod 303, the top and bottom of the connection box 7 are respectively rotatably connected to the rotating drum 302, the number of the rotating drum 302 is four and two are in a group, the rotating drum 302 is arranged on the left and right sides of the limit seat 31, and the inner wall of the rotating drum 302 is opened around A slide groove 37 is provided, a rotating rod 39 is inserted into the inside of the rotating cylinder 302, a handle 38 is fixedly connected to the outside of the rotating rod 39, slide plates 301 are fixedly connected to the surface of the rotating rod 39 on all sides, the surface of the slide plate 301 is slidably connected to the inside of the slide groove 37, a fixing seat 34 is fixedly connected to the surface of the rotating cylinder 302, a plug-in slot 33 is opened around the surface of the rotating cylinder 302, the surface of the plug-in rod 303 is plugged into the inside of the plug-in slot 33, a rectangular slot 36 is opened on the back of the fixing plate 35, the left and right sides and the back of the rectangular slot 36 are set as openings, and the surface of the fixing seat 34 is plugged into the inside of the rectangular slot 36.

[0029] Furthermore, the rotating drum 302 drives the fixing seat 34 to be inserted into the rectangular groove 36, and the electric push rod 32 drives the plugging rod 303 to be inserted into the jack groove 33, so that the rotating drum 302 can be limited and fixed to prevent the rotating drum 302 from rotating at will, and the louver air inlet window 2 can be fixed and set, so that the louver air inlet window 2 can prevent foreign objects from entering, and at the same time can adjust the amount of fresh air entering. Embodiment 3

[0030] See also Figure 1-11 , and on the basis of the first embodiment, the mounting mechanism 6 further comprises a square seat 64, the square seat 64 is fixedly connected to the two ends of the back of the connection box 7, the back of the square seat 64 is fixedly connected to an arc-shaped sleeve 61, the inner circle of the arc-shaped sleeve 61 is provided with an arc-shaped groove 62, the upper and lower sides of the arc-shaped groove 62 are internally slidably connected with sliders 601, the inner sides of the left and right sliders 601 are fixedly connected with connecting rods 65, the surface of the connecting rods 65 is fixedly connected with a push plate 68, the back of the connection box 7 is fixedly connected with a mounting block 67, the outer sides of the upper and lower push plates 68 are provided with placement grooves 66, the left and right sides of the push plates 68 are respectively fixedly connected with nuts 69, and the nuts 69 on the left and right sides are internally threaded with screws 63; There are four mounting blocks 67 and placement slots 66 respectively, and they are grouped in pairs. The front, rear, and outer sides of the placement slots 66 on the upper and lower sides are set as openings. The surface of the mounting block 67 and the interior of the placement slot 66 are plugged in. The push plate 68 and the mounting block 67 are provided with through holes. The surface of the screw 63 is inserted into the through holes provided in the push plate 68 and the mounting block 67.

[0031] Furthermore, the connecting rod 65 drives the slider 601 to slide in the arc groove 62, so that the mounting block 67 is inserted into the placement groove 66, and the screw 63 is threadedly inserted into the nut 69, so that the entire device can be installed on the wall 1, which is convenient for delivering the fresh air from the outside to the room through the channel of the device.

[0032] In actual operation, when the device is used, when fresh air needs to be introduced into the room and purified, the HEPA filter 5 is first placed on the front of the connection box 7, the handle 4101 is turned to drive the rotating shaft 418 to rotate, the rotating shaft 418 drives the bevel gear 417 to rotate, the bevel gear 417 drives the two sides and the bevel gear 419 to mesh and rotate, and the bevel gear 419 rotates to drive the worm 4104 to rotate in the limit plate 4102, and then the worm 4104 drives the worm wheel 411 to rotate, so that the worm wheel 411 rotates and drives the rotating rod 413, and the rotating rod 413 drives the connecting seat 412 to be plugged into the square groove 415, and the HEPA filter 5 can be installed and set up on the front of the connection box 7, so as to generate a large pressure in the centrifugal fan 71 and efficiently introduce outdoor air into the room. At this time, the HEPA filter 5 can filter large particles of dust, hair, etc., and has high strength and is easy to clean; The metal mesh 8 drives the long block 4201 to be inserted into the long groove 429, and the long seat 428 drives the square block 4203 to be inserted into the square groove 4202 again, and the slide seat 4204 is driven to slide on the surface of the long rod 425 under the rebound force of the spring 421. At the same time, the slide seat 4204 drives the mounting plate 423, and the mounting plate 423 drives the plug 422 to be inserted into the slot 424. The bolt 426 screws the plug 422 and the mounting seat 427 to fix the metal mesh 8 on the front of the HEPA filter 5. The metal mesh 8 can filter tiny PM2.5 particles, bacteria, viruses, etc., and the purification efficiency is extremely high; The louvered air inlet window 2 is set on the front of the metal wire mesh 8, and the fixing plate 35 is set on the top and bottom of the connection box 7. The handle 38 drives the rotating rod 39 to be inserted into the rotating drum 302, and the slide plate 301 is inserted into the slide groove 37. The handle 38 is turned to drive the rotating drum 302 to rotate, and the rotating drum 302 drives the fixing seat 34 to be inserted into the rectangular groove 36. The electric push rod 32 drives the plugging rod 303 to be inserted into the jack groove 33 during operation, and the rotating drum 302 can be limited and fixed to prevent the rotating drum 302 from rotating at will. The louvered air inlet window 2 can be fixed and set, so that the louvered air inlet window 2 can prevent foreign objects from entering, and at the same time can adjust the amount of fresh air entering; When the connection box 7 is placed in the corresponding groove on the wall 1, the upper and lower connecting rods 65 are pushed in opposite directions. At this time, the connecting rod 65 drives the slider 601 to slide in the arc groove 62, so that the mounting block 67 is inserted into the placement groove 66, and the screw 63 is threadedly inserted into the nut 69. The entire device can be installed on the wall 1, which is convenient for delivering fresh air from the outside to the room through the channel of the device.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An indoor fresh air duct with air purification function, comprising a wall (1), a louvered air inlet window (2), a HEPA filter (5), a connection box (7) and a metal wire mesh (8), characterized in that: The back of the connection box (7) is fixedly connected to a pipe (9), the inner wall of the connection box (7) is fixedly connected to a centrifugal fan (71), a mounting mechanism (6) is provided on the connection box (7) and the wall (1), an adjustment mechanism (4) is provided on the connection box (7), the HEPA filter (5) and the metal wire mesh (8), and an assembly mechanism (3) is provided on the louvered air inlet window (2) and the connection box (7); The adjustment mechanism (4) comprises a connecting component (41) and a fixing component (42), wherein the fixing component (42) is arranged on the connecting component (41); The connection assembly (41) comprises a connection plate (414), wherein the connection plate (414) is fixedly connected to the left and right sides of the HEPA filter (5), a long plate (416) is fixedly connected between the upper and lower connection plates (414), a rotating shaft (418) is fixedly connected to the center of the left and right sides of the connection box (7), a handle (4101) is fixedly connected to the outside of the rotating shaft (418), a bevel gear (417) is fixedly connected to the surface of the rotating shaft (418), and the upper and lower surfaces of the bevel gear (417) are respectively meshed and connected to bevel gears (419), A worm (4104) is fixedly connected to the axis of the bevel gear (419), a worm wheel (411) is meshingly connected to the surface of the worm (4104), a rotating rod (413) is fixedly connected to the axis of the worm wheel (411), a connecting seat (412) is fixedly connected to the surface of the rotating rod (413), square plates (4103) are fixedly connected to the left and right sides of the connecting box (7), the outer ends of the square plates (4103) are respectively fixedly connected to the limiting plates (4102), and square grooves (415) are provided on the outer sides of the upper and lower connecting plates (414).

2. The indoor fresh air duct with air purification function according to claim 1 is characterized by: The number of the worm (4104) and the limit plate (4102) is four respectively, and they form a group of two. The surface of the worm (4104) and the inside of the limit plate (4102) are rotatably connected, and the thread lines on the surface of the worm (4104) on the upper and lower sides are consistent in specifications and direction.

3. The indoor fresh air duct with air purification function according to claim 2 is characterized by: The number of the connection seats (412) and the square slots (415) is four respectively, and they are grouped in pairs. The upper and lower sides of the square slots (415) are arranged to be open away from the side and the outer side of the connection box (7), and the surface of the connection seat (412) and the interior of the square slot (415) are plugged into each other.

4. The indoor fresh air duct with air purification function according to claim 3 is characterized by: The fixing assembly (42) comprises a long block (4201), wherein the long block (4201) is fixedly connected to two ends of the back side of the metal wire mesh (8), a long slot (429) is provided on the front side of the connecting plate (414), the interior of the long slot (429) is plugged into the surface of the long block (4201), a square slot (4202) is provided inside the long block (4201), the side of the square slot (4202 away from the connecting box (7) is set as an opening, a square block (4203) is plugged into the square slot (4202), the upper and lower sides of the square block (4203) away from the connecting plate (414) are fixedly connected to a long seat (428), the outer center of the long seat (428) is fixedly connected to a mounting seat (427), and the upper and lower connecting plates (414) are connected to the connecting plate (414). 14) is fixedly connected with a long rod (425), the long rod (425) is arranged on the back of the long plate (416), the upper and lower surfaces of the long rod (425) are slidably connected with slide seats (4204), the outer sides of the upper and lower slide seats (4204) are fixedly connected with springs (421), the side of the slide seat (4204) away from the connecting plate (414) is fixedly connected with a mounting plate (423), the top and bottom of the mounting seat (427) are provided with slots (424), the inner sides of the upper and lower mounting plates (423) are fixedly connected with plug blocks (422), the surface of the plug block (422) is plugged into the inside of the slot (424), and the plug block (422) and the mounting seat (427) are internally threadedly connected with bolts (426).

5. The indoor fresh air duct with air purification function according to claim 4 is characterized by: The springs (421) are four in number and are arranged in groups of two. The outer sides of the upper and lower springs (421) are fixedly connected to the inner sides of the two connecting plates (414). The springs (421) are arranged on the surface of the long rod (425).

6. The indoor fresh air duct with air purification function according to claim 5, characterized in that: The assembly mechanism (3) comprises a fixing plate (35), the fixing plate (35) being fixedly connected to the top and bottom of the shutter air inlet window (2), the top and bottom centers of the connection box (7) being fixedly connected to a limit seat (31), the left and right sides of the limit seat (31) being fixedly connected to electric push rods (32), the other side of the electric push rod (32) being fixedly connected to an insertion rod (303), the top and bottom of the connection box (7) being rotatably connected to rotating drums (302), the number of the rotating drums (302) being four and two in a group, the rotating drums (302) being arranged on the left and right sides of the limit seat (31), the rotating drums (302) The inner wall of the rotating cylinder (302) is provided with a slide groove (37) around the periphery, a rotating rod (39) is inserted into the interior of the rotating cylinder (302), a handle (38) is fixedly connected to the outer side of the rotating rod (39), a slide plate (301) is fixedly connected to the surface of the rotating rod (39) around the periphery, the surface of the slide plate (301) is slidably connected to the interior of the slide groove (37), a fixing seat (34) is fixedly connected to the surface of the rotating cylinder (302), a plugging groove (33) is provided around the surface of the rotating cylinder (302), the surface of the plugging rod (303) is plugged into the interior of the plugging groove (33), and a rectangular groove (36) is provided on the back of the fixing plate (35).

7. The indoor fresh air duct with air purification function according to claim 6, characterized in that: The left and right sides and the back side of the rectangular groove (36) are arranged to be open, and the surface of the fixing seat (34) and the inside of the rectangular groove (36) are plugged into each other.

8. The indoor fresh air duct with air purification function according to claim 7, characterized in that: The mounting mechanism (6) comprises a square seat (64), the square seat (64) being fixedly connected to two ends of the back side of the connection box (7), an arc-shaped sleeve (61) being fixedly connected to the back side of the square seat (64), an arc-shaped groove (62) being provided on the inner ring of the arc-shaped sleeve (61), sliders (601) being slidably connected to the upper and lower sides of the arc-shaped groove (62), connecting rods (65) being fixedly connected to the inner sides of the left and right sliders (601), a push plate (68) being fixedly connected to the surface of the connecting rod (65), a mounting block (67) being fixedly connected to the back side of the connection box (7), placement grooves (66) being provided on the outer sides of the upper and lower push plates (68), nuts (69) being fixedly connected to the left and right sides of the push plates (68), and screw rods (63) being threadedly connected to the inner sides of the nuts (69) on the left and right sides.

9. The indoor fresh air duct with air purification function according to claim 8, characterized in that: The number of the mounting blocks (67) and placement slots (66) is four respectively, and they are grouped in pairs. The front and rear sides and the outer sides of the placement slots (66) on the upper and lower sides are set as openings, and the surface of the mounting block (67) and the interior of the placement slot (66) are plugged into each other.

10. The indoor fresh air duct with air purification function according to claim 9, characterized in that: The push plate (68) and the mounting block (67) are provided with through-hole grooves, and the surface of the screw rod (63) is inserted through the through-hole grooves provided in the push plate (68) and the mounting block (67).

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