CN215637781U

CN215637781U - Indoor exhaust equipment with efficient exhaust

Info

Publication number: CN215637781U
Application number: CN202120878717.1U
Authority: CN
Inventors: 王国燊
Original assignee: SHENZHEN GUANSHENGHUA INDUSTRIAL DEVELOPMENT CO LTD
Current assignee: SHENZHEN GUANSHENGHUA INDUSTRIAL DEVELOPMENT CO LTD
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-01-25
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses an indoor air exhaust device with high air exhaust efficiency, which comprises a horizontally arranged air pipe, wherein one end of the inner wall of the air pipe is vertically welded with a grid baffle, the lower part of the air pipe is horizontally welded with a connecting box along the length direction of the air pipe, a sleeve is sleeved at the middle position of a transmission shaft, one end of the sleeve, which is close to the grid baffle, is sleeved and fixed with a fan blade, a driving component for driving the fan blade to rotate is arranged in the air pipe, a filter plate is vertically and rotatably connected at the position, which is close to the middle position, in the air pipe, a transmission system for driving the connection shaft to rotate is arranged at one side in the connecting box, and a clutch mechanism for powering on or off the transmission system is arranged in the air pipe and the connecting box. The air exhaust is more smooth when the air is exhausted.

Description

Indoor exhaust equipment with efficient exhaust

Technical Field

The utility model relates to the technical field of air exhaust equipment, in particular to indoor air exhaust equipment with high air exhaust efficiency.

Background

The air exhaust is also called as air exchange, which is that enough fresh air is fed into the indoor space by a mechanical or natural method, and simultaneously, the dirty air which is not in accordance with the sanitary requirement in the room is exhausted, so that the indoor air meets the sanitary requirement and the requirement of the production process, and various facilities for completing the ventilation work in the building are collectively called as air exhaust equipment, wherein the indoor common air exhaust equipment is an air pipe, and an air exhaust fan is arranged in the air pipe.

However, the existing air exhausting equipment is often only simply adopting positive and negative rotation mode air intake or air exhaust, sometimes, the filter plate is arranged at one end, but the filter plate is mostly fixedly placed, and because the air exhaust is not needed to be carried out, the air exhaust is smooth when the air exhaust is carried out, and therefore, the air exhaust efficient indoor air exhausting equipment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides indoor air exhaust equipment with high air exhaust efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an indoor air exhaust device with high air exhaust efficiency comprises an air pipe which is horizontally arranged, wherein two ends of the air pipe are of an open structure, one end of the inner wall of the air pipe is vertically welded with a grid baffle, one end, close to the grid baffle, of the air pipe is welded with a rectangular plate along the circle of the outer wall of the air pipe, the lower part of the air pipe is horizontally welded with a connecting box along the length direction of the air pipe, a connecting block is welded at the middle position, close to one side of the grid baffle, and is horizontally and rotatably connected with a transmission shaft, a sleeve is sleeved at the middle position on the transmission shaft, one end, close to the grid baffle, of the sleeve is sleeved and fixed with a fan blade, a driving assembly for driving the fan blade to rotate is arranged in the air pipe, a filter plate is vertically and rotatably connected at the middle position inside of the air pipe and penetrates through the outer walls of the upper side and the lower side of the air pipe to be vertically inserted and fixed with a connecting shaft, the lower end of the connecting shaft penetrates through the outer wall of the lower part of the air pipe to rotate on the inner bottom surface of the connecting box, and a transmission system for driving the connecting shaft to rotate is arranged on one side in the connecting box, and a clutch mechanism for powering on or off the transmission system is arranged in the air pipe and the connecting box.

Preferably, the drive assembly includes that tuber pipe upper portion inner wall is close to the perpendicular welded mounting bar of transmission shaft position department, and the mounting bar is close to transmission shaft one side lower extreme horizontal bolt and is fixed with the rotating electrical machines, and the grid baffle one end key-type connection is kept away from with the transmission shaft to the rotating electrical machines output.

Preferably, transmission system keeps away from net baffle one side inner wall intermediate position department level welded diaphragm including the connecting box, and the perpendicular bolt in diaphragm upper portion is fixed with the motor, the motor output runs through diaphragm both sides outer wall horizontal key-type connection and has the gear, the connecting axle is opened along its lower extreme outer wall round has the ring gear, and ring gear and gear engagement.

Preferably, the clutch mechanism comprises a limiting sliding assembly arranged between a sleeve and a transmission shaft, one end of the sleeve, which is far away from the fan blade, is provided with a sliding groove along the circle of the outer wall thereof, one end of the sleeve, which is close to the sliding groove, is sleeved with a lantern ring, the inner walls of the upper side and the lower side of the lantern ring are vertically welded with first bolts, two first bolts are relatively close to the two ends and are arranged in the sliding groove in a sliding way, the outer wall of the lower part of the lantern ring is vertically welded with a metal rod, one end, which is close to the grid baffle, of the inner wall of the lower part of the air pipe is provided with a rectangular opening, the lower end of the metal rod penetrates through the rectangular opening and extends into a connecting box, the middle position of the inner wall of one side, which is close to the grid baffle, of the connecting box is horizontally welded with a sliding sleeve, one end, which is close to the motor, is horizontally inserted with a sliding column, a reset spring is horizontally arranged between the sliding column and one side inner wall of the sliding sleeve, one end, is horizontally welded with a J-shaped metal strip, and the metal pole lower extreme is located between the relative both sides inner wall that is close to of J-shaped metal strip, the perpendicular welding of inside bottom surface one side intermediate position department of connecting box has the riser, and the riser runs through its both sides outer wall horizontal slip and inserts and be equipped with the post that pushes away, it establishes to be close to motor pot head on the post and is fixed with the spacing ring, and lies in the spacing ring on the post that pushes away and be equipped with the spring between the riser, it establishes and is fixed with the cam to be close to ring gear position department cover on the connecting axle, and pushes away the post and be close to cam one end and rather than the looks adaptation, it keeps away from cam one end and J-shaped metal strip and keeps away from cam one end inner wall contact to push away the post.

Preferably, spacing slip subassembly includes its length direction welded sand grip is followed on transmission shaft upper portion, and the equal vertical welding in sand grip upper portion both ends has the stopper, sleeve upper portion inner wall is opened there is the bar through-hole, the sand grip slides and locates in the bar through-hole.

Preferably, the limiting sliding assembly comprises a strip-shaped groove formed in the upper portion of the transmission shaft along the length direction of the transmission shaft, second bolts are perpendicularly welded to the two ends of the inner wall of the upper portion of the sleeve, and the second bolts are arranged in the strip-shaped groove in a sliding mode.

Preferably, the positive and negative poles of the motor are respectively and electrically connected to the J-shaped metal strip and the metal rod, and the J-shaped metal strip and the metal rod are respectively and electrically connected to positive and negative pole power lines.

The utility model has the beneficial effects that:

1. but through the flabellum of corotation reversal that sets up in tuber pipe one end, the cooperation other end can be along with the flabellum positive and negative rotation and close or the filter of opening, it airs exhaust when making the flabellum corotation, it opens to drive the filter, it is popular faster to make it air exhaust, it is better to air exhaust the effect, the air inlet when the flabellum reverses, it closes to drive the filter this moment, realize filtering capability, the particle impurity of avoiding the outside air gets into indoorly, be different from the flabellum of traditional simple positive and negative rotation, this device makes the process filtration quality of air inlet higher, it is more unblocked to air exhaust during the air-out.

2. Through the separation and reunion circular telegram mechanism that sets up in tuber pipe and connecting box for utilize the sleeve to drive under the epaxial one end free stroke of transmission deuterogamies fan self wind-force drive when the fan rotates in succession, drive the metal pole and remove the certain distance, make the transmission system circular telegram of connecting axle drive the connecting axle and rotate, and only can drive the rotatory certain angle of connecting axle through the clutching mechanism who sets up, make the filter in the tuber pipe rotatory to the electric power of the traditional system of open state in time disconnection drive connecting axle.

Drawings

Fig. 1 is a schematic perspective view of an indoor air exhaust device with high efficiency of air exhaust according to the present invention;

fig. 2 is a schematic plan sectional structural view of an indoor air exhaust device with high air exhaust efficiency according to the present invention;

fig. 3 is a schematic perspective sectional view of a connection box of an indoor air exhaust device with high air exhaust efficiency according to the present invention;

fig. 4 is a schematic perspective sectional view of an indoor air exhaust device with high efficiency of air exhaust according to the present invention;

fig. 5 is a schematic view of a partially enlarged structure of an indoor air exhaust device with high efficiency of air exhaust according to the present invention;

fig. 6 is a schematic perspective view of a sleeve shaft of an indoor air exhaust device with high efficiency of air exhaust according to an embodiment 1 of the present invention;

fig. 7 is a schematic perspective view of a sleeve shaft of an indoor air exhaust device with high air exhaust efficiency according to an embodiment 2 of the present invention.

In the figure: 1 tuber pipe, 2 connecting boxes, 3 rectangular plate, 4 net board, 5 flabellum, 6 rotating electrical machines, 7 mounting bars, 8 filter, 9 sleeves, 10 metal poles, 11 connecting axles, 12 motors, 13 gears, 14 ring gears, 15 riser, 16 fore shafts, 17J shape metal strip, 18 sliding sleeves, 19 travelers, 20 springs, 21 diaphragm, 22 rectangle opening, 23 transmission shafts, 24 lantern rings, 25 first bolt, 26 sand grip, 27 second bolts, 28 bar grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-6, an indoor air exhaust device with high efficiency of air exhaust comprises an air pipe 1 horizontally arranged, two ends of the air pipe 1 are of an open structure, one end of the inner wall of the air pipe 1 is vertically welded with a grid baffle 4, one end of the air pipe 1 close to the grid baffle 4 is welded with a rectangular plate 3 along the circle of the outer wall, the lower part of the air pipe 1 is horizontally welded with a connecting box 2 along the length direction, a connecting block is welded at the middle position of one side of the grid baffle 4 close to the air pipe 1, one side of the connecting block far away from the grid baffle 4 is horizontally and rotatably connected with a transmission shaft 23, a sleeve 9 is sleeved at the middle position of the transmission shaft 23, a fan blade 5 is fixedly sleeved at one end of the sleeve 9 close to the grid baffle 4, a driving component for driving the fan blade 5 to rotate is arranged in the air pipe 1, a filter plate 8 is vertically and rotatably connected at the middle position of the inside of the air pipe 1, and the filter plate 8 penetrates through the outer walls of the upper and lower sides and is vertically inserted and fixedly provided with a connecting shaft 11, the lower end of the connecting shaft 11 penetrates through the outer wall of the lower part of the air pipe 1 and rotates on the bottom surface inside the connecting box 2, a transmission system for driving the connecting shaft 11 to rotate is arranged on one side inside the connecting box 2, and a clutch mechanism for powering on or powering off the transmission system is arranged inside the air pipe 1 and the connecting box 2.

In the utility model, a driving assembly comprises a mounting bar 7 vertically welded at the position of the inner wall of the upper part of an air duct 1 close to a transmission shaft 23, a rotary motor 6 is fixed at the lower end of the mounting bar 7 close to one side of the transmission shaft 23 by a horizontal bolt, the output end of the rotary motor 6 is connected with one end of the transmission shaft 23 far away from a grid baffle 4 by a key, a transmission system comprises a transverse plate 21 horizontally welded at the middle position of the inner wall of one side of a connecting box 2 far away from the grid baffle 4, a motor 12 is fixed at the upper part of the transverse plate 21 by a vertical bolt, the output end of the motor 12 penetrates through the horizontal keys of the outer walls of the two sides of the transverse plate 21 and is connected with a gear 13, a connecting shaft 11 is provided with a gear ring along one circle of the outer wall of the connecting shaft 11, the gear ring is meshed with the gear 13, a clutch mechanism comprises a limiting sliding assembly arranged between a sleeve 9 and the transmission shaft 23, one end of the sleeve 9 far away from a fan blade 5 is provided with a sliding groove along one circle of the outer wall of the sleeve, and one end of the sleeve 9 close to the sliding groove is sleeved with a sleeve ring 24, the inner walls of the upper side and the lower side of a lantern ring 24 are vertically welded with first bolts 25, two first bolts 25 are arranged in a sliding groove in a sliding manner relatively close to the two ends, the outer wall of the lower part of the lantern ring 24 is vertically welded with a metal rod 10, one end of the inner wall of the lower part of an air pipe 1 close to a grid baffle 4 is provided with a rectangular opening 22, the lower end of the metal rod 10 penetrates through the rectangular opening 22 and extends into a connecting box 2, a sliding sleeve 18 is horizontally welded at the middle position of the inner wall of one side of the connecting box 2 close to the grid baffle 4, a sliding column 19 is horizontally inserted at one end of the sliding sleeve 18 close to a motor 12, a reset spring is horizontally arranged between the sliding column 19 and the inner wall of one side of the sliding sleeve 18 in the sliding sleeve 18, a J-shaped metal strip 17 is horizontally welded at one end of the sliding column 19 far away from the sliding sleeve 18, the lower end of the metal rod 10 is positioned between the inner walls of the two sides relatively close to the J-shaped metal strip 17, and a vertical plate 15 is vertically welded at the middle position of one side of the bottom surface in the connecting box 2, and the vertical plate 15 penetrates through the outer walls of the two sides thereof and is inserted with a push column 16 in a horizontal sliding way, one end of the push column 16 close to the motor 12 is sleeved and fixed with a limit ring, and a spring 20 is sleeved on the push column 16 between the limit ring and the vertical plate 15, a cam 14 is sleeved and fixed on the connecting shaft 11 at a position close to the gear ring, and one end of the push column 16 close to the cam 14 is matched with the cam, one end of the push column 16 far away from the cam 14 is contacted with the inner wall of one end of the J-shaped metal strip 17 far away from the cam 14, the limiting sliding assembly comprises a convex strip 26 welded on the upper part of the transmission shaft 23 along the length direction thereof, and the stopper has all been welded perpendicularly at the both ends on sand grip 26 upper portion, and the inner wall of sleeve 9 upper portion is opened has the bar through-hole, and in sand grip 26 slided and is located the bar through-hole, 12 positive and negative poles of a motor electric connection respectively in J-shaped metal strip 17, metal pole 10, and J-shaped metal strip 17, metal pole 10 electric connection respectively have positive and negative poles power cord.

The working principle of the embodiment is as follows: when the wind-driven air pipe is used, when the rotating motor 6 drives the fan 5 to rotate forwards, air is exhausted, because the raised lines 26 are arranged in the strip-shaped through holes of the sleeve 9 in a sliding manner, under the pushing of the wind power of the fan 5, the sleeve 9 moves backwards for a certain distance along the transmission shaft 23, the lower end of the metal rod 10 at the lower end of the sleeve 9 is contacted with one side of the J-shaped metal strip 17, the motor 12 is electrified, the motor 12 drives the gear 13 to rotate, the connecting shaft 11 is driven to rotate through the gear ring, the filter plate 8 in the air pipe 1 is rotated, on the other hand, the connecting shaft 11 rotates and simultaneously drives the cam 14 to rotate, when the cam 14 is contacted with one end of the push column 16, the push column 16 is pushed to move backwards, the other end of the push column 16 pushes the J-shaped metal strip 17, one side of the J-shaped metal strip 17 is separated from one side of the lower end of the metal rod 10, the power-off of the motor 12 is realized, at the moment, the filter plate 8 at the upper part is just in a completely opened state, and the air exhaust of the fan blades 5 is not blocked by the filter plate 8, when the flabellum counter-rotating intake, with the same reason as above, sleeve 9 advances a section distance along transmission shaft 23, make 10 lower extreme one side of metal strip and J-shaped metal strip 17 one side separation, but because the pushing post 16 has impeld J-shaped metal strip 17 one end distance, therefore, metal pole 10 lower extreme opposite side and the contact of J-shaped metal strip 17 opposite side inner wall, give motor 12 circular telegram once more, drive upper portion filter 8 and rotate, cam 14 separates with pushing post 16 gradually this moment, under the effect of the inside reset spring of sliding sleeve 18, make J-shaped metal strip 17 advance, make 10 lower extreme one side of metal pole separate with J-shaped metal strip 17 once more, at this moment, filter 8 just in time totally enclosed the tuber pipe, make the indoor air of flabellum 5 inspiration filter through filter 8.

Example 2

Referring to fig. 1-5 and 7, an indoor air exhaust device with high efficiency of air exhaust comprises an air pipe 1 horizontally arranged, two ends of the air pipe 1 are of an open structure, one end of the inner wall of the air pipe 1 is vertically welded with a grid baffle 4, one end of the air pipe 1 close to the grid baffle 4 is welded with a rectangular plate 3 along the circle of the outer wall thereof, the lower part of the air pipe 1 is horizontally welded with a connecting box 2 along the length direction thereof, a connecting block is welded at the middle position of one side of the grid baffle 4 close to the air pipe 1, a transmission shaft 23 is horizontally and rotatably connected with one side of the connecting block far away from the grid baffle 4, a sleeve 9 is sleeved at the middle position of the transmission shaft 23, a fan blade 5 is fixedly sleeved at one end of the sleeve 9 close to the grid baffle 4, a driving component for driving the fan blade 5 to rotate is arranged in the air pipe 1, a filter plate 8 is vertically and rotatably connected at the position of the inside of the air pipe 1 close to the middle position, and the filter plate 8 penetrates through the outer walls of the upper and the lower sides thereof to be vertically inserted and fixedly provided with a connecting shaft 11, the lower end of the connecting shaft 11 penetrates through the outer wall of the lower part of the air pipe 1 and rotates on the bottom surface inside the connecting box 2, a transmission system for driving the connecting shaft 11 to rotate is arranged on one side inside the connecting box 2, and a clutch mechanism for powering on or powering off the transmission system is arranged inside the air pipe 1 and the connecting box 2.

In the utility model, a driving assembly comprises a mounting bar 7 vertically welded at the position of the inner wall of the upper part of an air duct 1 close to a transmission shaft 23, a rotary motor 6 is fixed at the lower end of the mounting bar 7 close to one side of the transmission shaft 23 by a horizontal bolt, the output end of the rotary motor 6 is connected with one end of the transmission shaft 23 far away from a grid baffle 4 by a key, a transmission system comprises a transverse plate 21 horizontally welded at the middle position of the inner wall of one side of a connecting box 2 far away from the grid baffle 4, a motor 12 is fixed at the upper part of the transverse plate 21 by a vertical bolt, the output end of the motor 12 penetrates through the horizontal keys of the outer walls of the two sides of the transverse plate 21 and is connected with a gear 13, a connecting shaft 11 is provided with a gear ring along one circle of the outer wall of the connecting shaft 11, the gear ring is meshed with the gear 13, a clutch mechanism comprises a limiting sliding assembly arranged between a sleeve 9 and the transmission shaft 23, one end of the sleeve 9 far away from a fan blade 5 is provided with a sliding groove along one circle of the outer wall of the sleeve, and one end of the sleeve 9 close to the sliding groove is sleeved with a sleeve ring 24, the inner walls of the upper side and the lower side of a lantern ring 24 are vertically welded with first bolts 25, two first bolts 25 are arranged in a sliding groove in a sliding manner relatively close to the two ends, the outer wall of the lower part of the lantern ring 24 is vertically welded with a metal rod 10, one end of the inner wall of the lower part of an air pipe 1 close to a grid baffle 4 is provided with a rectangular opening 22, the lower end of the metal rod 10 penetrates through the rectangular opening 22 and extends into a connecting box 2, a sliding sleeve 18 is horizontally welded at the middle position of the inner wall of one side of the connecting box 2 close to the grid baffle 4, a sliding column 19 is horizontally inserted at one end of the sliding sleeve 18 close to a motor 12, a reset spring is horizontally arranged between the sliding column 19 and the inner wall of one side of the sliding sleeve 18 in the sliding sleeve 18, a J-shaped metal strip 17 is horizontally welded at one end of the sliding column 19 far away from the sliding sleeve 18, the lower end of the metal rod 10 is positioned between the inner walls of the two sides relatively close to the J-shaped metal strip 17, and a vertical plate 15 is vertically welded at the middle position of one side of the bottom surface in the connecting box 2, and the riser 15 runs through the outer wall of its both sides and slides horizontally and inserts and be equipped with the post 16 that pushes away, it establishes the retaining ring to push away to be close to motor 12 pot head on the post 16, and it is equipped with spring 20 to lie in the retaining ring and overlap between riser 15 on the post 16, it is fixed with cam 14 to overlap and establish near the ring gear position on the connecting axle 11, and push away post 16 and be close to cam 14 one end rather than the looks adaptation, it keeps away from cam 14 one end and keeps away from cam 14 one end inner wall contact with J-shaped metal strip 17 to push away from cam 14 on the post 16, the sliding assembly that limits includes bar groove 28 that transmission shaft 23 upper portion seted up along its length direction, sleeve 9 upper portion inner wall both ends all vertical welding have second bolt 27, and two second bolts 27 all slide and locate in bar groove 28, motor 12 positive and negative poles electric connection respectively in J-shaped metal strip 17, metal rod 10, and J-shaped metal strip 17, metal rod 10 respectively electric connection has positive and negative pole power cord.

The working principle of the embodiment is as follows: when the wind-driven air-discharging device is used, when the rotating motor 6 drives the fan 5 to rotate forwards, air is discharged, because the second bolt 27 is arranged in the strip-shaped groove 28 in a sliding manner, under the pushing of the wind power of the fan 5, the sleeve 9 moves backwards for a certain distance along the transmission shaft 23, the lower end of the metal rod 10 at the lower end of the sleeve 9 is contacted with one side of the J-shaped metal strip 17, the motor 12 is electrified, the motor 12 drives the gear 13 to rotate, the connecting shaft 11 is driven to rotate through the gear ring, the filter plate 8 in the air duct 1 is rotated, on the other hand, the connecting shaft 11 rotates and simultaneously drives the cam 14 to rotate, when the cam 14 is contacted with one end of the push column 16, the push column 16 is pushed to move backwards, the other end of the push column 16 pushes the J-shaped metal strip 17, one side of the J-shaped metal strip 17 is separated from one side of the lower end of the metal rod 10, the power-off of the motor 12 is realized, at the moment, the filter plate 8 at the upper part is just in a completely opened state, and the air-discharging of the fan blades 5 is not blocked by the filter plate 8, when the flabellum counter-rotating intake, with the same reason as above, sleeve 9 advances a section distance along transmission shaft 23, make 10 lower extreme one side of metal strip and J-shaped metal strip 17 one side separation, but because the pushing post 16 has impeld J-shaped metal strip 17 one end distance, therefore, metal pole 10 lower extreme opposite side and the contact of J-shaped metal strip 17 opposite side inner wall, give motor 12 circular telegram once more, drive upper portion filter 8 and rotate, cam 14 separates with pushing post 16 gradually this moment, under the effect of the inside reset spring of sliding sleeve 18, make J-shaped metal strip 17 advance, make 10 lower extreme one side of metal pole separate with J-shaped metal strip 17 once more, at this moment, filter 8 just in time totally enclosed the tuber pipe, make the indoor air of flabellum 5 inspiration filter through filter 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An indoor air exhaust device with high air exhaust efficiency comprises an air pipe (1) which is horizontally arranged, and is characterized in that two ends of the air pipe (1) are of an open structure, a grid baffle (4) is vertically welded at one end of the inner wall of the air pipe (1), a rectangular plate (3) is welded at one end, close to the grid baffle (4), of the air pipe (1) along the circle of the outer wall of the air pipe, a connecting box (2) is horizontally welded at the lower part of the air pipe (1) along the length direction of the air pipe, a connecting block is welded at the middle position, close to the air pipe (1), of the grid baffle (4), a transmission shaft (23) is horizontally and rotatably connected at one side, far away from the grid baffle (4), of the connecting block, a sleeve (9) is sleeved at the middle position on the transmission shaft (23), a fan blade (5) is fixedly sleeved at one end, close to the grid baffle (4), of the sleeve (9), and a driving assembly for driving the fan blade (5) to rotate is arranged in the air pipe (1), the air pipe is characterized in that a filter plate (8) is vertically and rotatably connected to the position, close to the middle position, inside the air pipe (1), the filter plate (8) penetrates through the outer walls of the upper side and the lower side of the air pipe and is vertically inserted and fixed with a connecting shaft (11), the lower end of the connecting shaft (11) penetrates through the outer wall of the lower portion of the air pipe (1) and rotates on the inner bottom surface of the connecting box (2), a transmission system for driving the connecting shaft (11) to rotate is arranged on one side inside the connecting box (2), and a clutch mechanism for powering on or off the transmission system is arranged inside the air pipe (1) and the connecting box (2).

2. The indoor air exhaust device with high air exhaust efficiency according to claim 1, wherein the driving assembly comprises a mounting bar (7) vertically welded at a position, close to the transmission shaft (23), of the inner wall of the upper part of the air duct (1), a rotating motor (6) is fixed at the lower end of one side, close to the transmission shaft (23), of the mounting bar (7), and the output end of the rotating motor (6) is in key connection with one end of the transmission shaft (23), far away from the grid baffle (4).

3. The indoor air exhausting equipment with high air exhausting efficiency according to claim 1, wherein the transmission system comprises a transverse plate (21) horizontally welded at the middle position of the inner wall of one side of the connecting box (2) far away from the grid baffle (4), a motor (12) is vertically fixed on the upper portion of the transverse plate (21) through a bolt, a gear (13) is connected to the output end of the motor (12) through the horizontal key of the outer walls of the two sides of the transverse plate (21), a gear ring is arranged on the connecting shaft (11) along the outer wall of the lower end of the connecting shaft in a circle, and the gear ring is meshed with the gear (13).

4. The indoor air exhaust device with high air exhaust efficiency as claimed in claim 1, wherein the clutch mechanism comprises a limiting sliding component arranged between a sleeve (9) and a transmission shaft (23), one end of the sleeve (9) far away from the fan blades (5) is provided with a sliding groove along the outer wall of the sleeve in a circle, one end of the sleeve (9) close to the sliding groove is sleeved with a sleeve ring (24), the inner walls of the upper side and the lower side of the sleeve ring (24) are vertically welded with first bolts (25), the two first bolts (25) are relatively close to the two ends and are arranged in the sliding groove in a sliding manner, the outer wall of the lower part of the sleeve ring (24) is vertically welded with a metal rod (10), one end of the inner wall of the lower part of the air duct (1) close to the grid baffle (4) is provided with a rectangular opening (22), the lower end of the metal rod (10) passes through the rectangular opening (22) and extends into the connecting box (2), and the middle position of the inner wall of one side of the connecting box (2) close to the grid baffle (4) is horizontally welded with a sliding sleeve (18) A sliding column (19) is horizontally inserted at one end of the sliding sleeve (18) close to the motor (12), a reset spring is horizontally arranged between the sliding column (19) and the inner wall of one side of the sliding sleeve (18) in the sliding sleeve (18), a J-shaped metal strip (17) is horizontally welded at one end of the sliding column (19) far away from the sliding sleeve (18), the lower end of the metal rod (10) is positioned between the J-shaped metal strip (17) and the inner walls of the two sides, a vertical plate (15) is vertically welded at the middle position of one side of the inner bottom surface of the connecting box (2), the vertical plate (15) penetrates through the outer walls of the two sides of the connecting box to be horizontally inserted with a push column (16), a limit ring is fixedly sleeved at one end of the push column (16) close to the motor (12), a spring (20) is sleeved between the vertical plate (15) on the push column (16), and a cam (14) is fixedly sleeved at the position of the connecting shaft (11) close to the gear ring, and one end of the push column (16) close to the cam (14) is matched with the end of the push column, and one end of the push column (16) far away from the cam (14) is contacted with the inner wall of one end of the J-shaped metal strip (17) far away from the cam (14).

5. The indoor air exhaust device with high air exhaust efficiency according to claim 4, wherein the limiting sliding assembly comprises a protruding strip (26) welded to the upper portion of the transmission shaft (23) along the length direction of the transmission shaft, limiting blocks are vertically welded to both ends of the upper portion of the protruding strip (26), a strip-shaped through hole is formed in the inner wall of the upper portion of the sleeve (9), and the protruding strip (26) is slidably arranged in the strip-shaped through hole.

6. The indoor air exhaust equipment with high air exhaust efficiency according to claim 4, wherein the limiting sliding assembly comprises a strip-shaped groove (28) formed in the upper part of the transmission shaft (23) along the length direction of the transmission shaft, second bolts (27) are perpendicularly welded to two ends of the inner wall of the upper part of the sleeve (9), and the two second bolts (27) are slidably arranged in the strip-shaped groove (28).

7. Indoor air exhaust equipment with high air exhaust efficiency according to claim 3, characterized in that the positive and negative poles of the motor (12) are respectively and electrically connected to the J-shaped metal strip (17) and the metal rod (10), and the J-shaped metal strip (17) and the metal rod (10) are respectively and electrically connected to positive and negative pole power lines.