CN110359402B

CN110359402B - Fallen leaf sweeper with sweeping effect improved

Info

Publication number: CN110359402B
Application number: CN201910649536.9A
Authority: CN
Inventors: 刘超荣
Original assignee: Dongguan Guancheng Landscaping Engineering Co ltd
Current assignee: Dongguan Guancheng Landscaping Engineering Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2021-02-26
Anticipated expiration: 2039-07-18
Also published as: CN110359402A

Abstract

The invention discloses a fallen leaf sweeper capable of improving sweeping effect, which belongs to the field of garden sweeping equipment and adopts the technical scheme that the fallen leaf sweeper comprises a sweeper body, a collecting structure for collecting fallen leaves and a separating structure for separating the fallen leaves from air, wherein the collecting structure comprises a dust suction nozzle vertically and slidably connected to the sweeper body, a communicating pipe communicated with the dust suction nozzle and an air suction pump communicated with the communicating pipe, the separating structure comprises a collecting barrel fixedly connected to the sweeper body, an air inlet and an air outlet are formed in the upper end of the collecting barrel, a filter plate for blocking the air outlet is fixedly connected to the upper end of the collecting barrel, the air inlet of the air suction pump is communicated with the air outlet, and the air inlet is communicated with the dust. The invention has the effect of keeping the stable air suction and wind power.

Description

Fallen leaf sweeper with sweeping effect improved

Technical Field

The invention relates to the technical field of garden cleaning equipment, in particular to a fallen leaf sweeper capable of improving the cleaning effect.

Background

Along with the increase of the attention degree of the government to urban greening, more and more green plants appear in each corner of a city, however, the attractiveness of the city is damaged by fallen leaves generated by metabolism or environmental influence, so that the government spends a large amount of manpower and material resources to clean the fallen leaves every year, and resource waste is caused. In this case, it is very possible to design a highly automated and efficient leaf cleaning device.

At present, the invention patent of chinese publication No. CN207314244U discloses a garden fallen leaf sweeper capable of cleaning completely, which includes a sweeper body, a groove is formed in the bottom of the sweeper body, a motor box is embedded in the top of the inner wall of the groove, a driving motor is fixedly installed inside the motor box, an output shaft of the driving motor penetrates through the motor box and extends to the lower side of the motor box to be fixedly connected with the top of a cleaning disc, a cleaning brush is arranged at the bottom of the cleaning disc, a fallen leaf collecting box is fixedly installed at the bottom of the sweeper body and behind the cleaning disc, and an exhaust fan is arranged on the sweeper body.

The above prior art solutions have the following drawbacks: under the effect of air exhauster, in air and the fallen leaves scavenging machine, then through filter equipment with air and leaf separation, but the leaf probably fits on filter equipment under the effect of air current, leads to filter equipment's flow resistance too big, leads to fallen leaves scavenging machine's the wind-force of breathing in to reduce at last, leads to the effect of clearance fallen leaves to reduce.

Disclosure of Invention

The invention aims to provide a fallen leaf sweeper capable of improving sweeping effect, wherein a filter plate is arranged at the upper end of a collecting barrel, so that the possibility that the filter plate is blocked by fallen leaves is effectively reduced, the overlarge flow resistance of the filter plate is avoided, the stability of suction wind power for sweeping the fallen leaves is ensured, and the effect of sweeping the fallen leaves is improved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a promote fallen leaves scavenging machine who cleans effect, includes the automobile body, is used for collecting the collection structure of fallen leaves and the separation structure of separation fallen leaves and air, collect the structure and include vertical sliding connection in the dust absorption mouth of automobile body, with the communicating pipe of dust absorption mouth intercommunication and with the aspiration pump of communicating pipe intercommunication, the separation structure includes fixed connection in the collecting vessel of automobile body, air intake and air outlet have been seted up to the collecting vessel upper end, the filter of collecting vessel upper end fixedly connected with separation air outlet, the air inlet and the air outlet intercommunication of aspiration pump, air intake and dust absorption mouth intercommunication.

Through adopting above-mentioned technical scheme, when cleaning the fallen leaves, start the air extractor, the effect of air extractor falls the leaf and passes through the dust absorption mouth along with the air that flows and get into the collecting vessel in, because air intake and air outlet all are located the upper end of collecting vessel, so fall the leaf and fall under the effect of gravity, and the air passes through the filter and leaves the collecting vessel, thereby effectively reduced the filter by the possibility that the fallen leaves blockked up, avoid the flow resistance of filter too big, the stability of the wind-force of breathing in of cleaning the fallen leaves has been guaranteed, the effect of cleaning the fallen leaves has been promoted.

The invention is further configured to: dust absorption nozzle is located the bottom intermediate position of automobile body, bottom of the vehicle body is provided with two deflector that are parallel arrangement, the deflector is the directional dust absorption nozzle's of one side fixedly connected with first air nozzle in opposite directions, bottom of the vehicle body fixed connection is in a plurality of second air nozzles towards dust absorption nozzle, fixedly connected with exhaust fan on the automobile body, first air nozzle and second air nozzle all communicate in the gas outlet of exhaust fan, all the air output of first air nozzle and second air nozzle is less than the air inlet volume of dust absorption nozzle.

Through adopting above-mentioned technical scheme, utilize the lower terminal surface and the ground of two parallel deflector, automobile body to form a direction passageway that leads to the dust absorption nozzle to under the effect of exhaust fan, the air that flows is spout in first air nozzle and the second air nozzle, has accelerateed the flow of air in the direction passageway, and then makes the leaf that gets into in the direction passageway bring into the collecting vessel by the air that flows, has further promoted the effect of cleaning the fallen leaves.

The invention is further configured to: first air nozzle jet-propelled direction is on a parallel with the deflector and personally submits the slope setting, one side for the level first air nozzle is close to the one end tilt up of dust absorption nozzle, opposite side first air nozzle is close to the one end downward sloping of dust absorption nozzle, the jet-propelled direction of second air nozzle is on a parallel with terminal surface under the automobile body, the one end that second air nozzle is close to the dust absorption nozzle is to the one side slope at slope decurrent first air nozzle place.

Through adopting above-mentioned technical scheme, make first air nozzle and second air nozzle to same one side slope to make first air nozzle and second air nozzle spun gas form the horizontally cyclone in the direction passageway, take the subaerial leaf that falls, and then make things convenient for more and get into in the dust absorption mouth.

The invention is further configured to: the dust collecting device is characterized in that the guide plate is fixedly connected with the dust collecting nozzle, two vertically arranged sliding grooves are formed in the lower end of the vehicle body, the guide plate is arranged in the sliding grooves respectively, an adjusting screw rod is arranged on the vehicle body in a vertical rotating mode, and the lower end of the adjusting screw rod is in threaded connection with the guide plate.

Through adopting above-mentioned technical scheme, deflector and dust absorption mouth fixed connection drive the vertical slip of dust absorption mouth when the deflector is vertical to be slided, utilize adjusting bolt control deflector and dust absorption mouth's height.

The invention is further configured to: the guide plate is arc-shaped, an arc-shaped guide groove with the radius the same as that of the guide plate is formed in the bottom of the vehicle body, and the central axis of the guide plate and the central axis of the guide groove are coaxially arranged.

Through adopting above-mentioned technical scheme, make the guidance channel approximate circular, make first air nozzle and second air nozzle spun gas form the horizontally cyclone in the guidance channel more easily to reduced the flow resistance that the cyclone received, made the cyclone drive the fallen leaves more easily and get into in the dust absorption mouth.

The invention is further configured to: the air outlet is communicated with an air inlet of the exhaust fan.

By adopting the technical scheme, the positive pressure of the air outlet of the exhaust fan is increased, the load of the exhaust fan is reduced, the circulation of air flow is realized, and dust attached to the air discharged by the exhaust fan is sucked into the collecting barrel again, so that the dust pollution is reduced.

The invention is further configured to: the air inlet is arranged at the lower end of the collecting barrel, a plurality of obliquely arranged guide plates are fixedly connected in the collecting barrel, the guide plates are fixedly connected below the air outlet in the vertical direction, and the lower end of each guide plate faces to the end far away from the air inlet.

Through adopting above-mentioned technical scheme, the guide plate that sets up at a plurality of slopes forms a plurality of slopes and sets up the water conservancy diversion way, makes the air flow direction of water conservancy diversion and collecting vessel in have great angle, and the fallen leaves is along with the air flow of flowing to the guide plate, but great for the quality of air fallen leaves, the difficult change that takes place to enlarge the angle of direction of motion to difficult entering water conservancy diversion way has further prevented that the fallen leaves from blockking up the filter screen.

The invention is further configured to: the air pump comprises a first shell, a first impeller and a driving motor, wherein the first impeller is connected into the first shell in a rotating mode, the driving motor drives the first impeller to rotate, the first shell is fixedly connected to a first air inlet pipe and a first air outlet pipe, the first air inlet pipe is communicated with an air outlet of the collecting barrel, and the first air outlet pipe is communicated with an air inlet of the exhaust fan.

Through adopting above-mentioned technical scheme, utilize driving motor drive first impeller to rotate, thereby first impeller rotates and has realized breathing in of aspiration pump and admit air, and the extraction opening exhausts.

The invention is further configured to: the exhaust fan includes the second shell and rotates the second impeller of connecting in the second shell, automobile body fixedly connected with two-way output speed reducer, the input shaft and the coaxial fixed connection of driving motor of two-way output speed reducer, two output shafts of two-way output speed reducer are respectively in the coaxial fixed connection of first impeller and second impeller, second shell fixedly connected with second air-out pipe, first air nozzle and second air nozzle all go out pipe and intercommunication with the second.

Through adopting above-mentioned technical scheme, utilize a driving motor to drive first impeller and second impeller, realized the work of exhaust fan and air exhauster, and then the structure is simpler, reduce cost.

The invention is further configured to: the automobile body fixedly connected with booster unit, booster unit includes fixed connection in the third shell of automobile body, driving motor's output shaft passes the coaxial fixed connection of output shaft of third shell and two-way output speed reducer, coaxial rotation is connected with the helping hand impeller on the driving motor output shaft, the helping hand impeller is located the third shell, third shell fixedly connected with and the first bypass pipe that goes out the tuber pipe intercommunication, third shell fixedly connected with and the blast pipe of atmosphere intercommunication.

Through adopting above-mentioned technical scheme, because the air output of all first air nozzles and second air nozzle is less than the intake of suction nozzle, and air exhauster and exhaust fan intercommunication, so both air outputs are the same, utilize the bypass pipe to shunt for this reason, utilize the air of reposition of redundant personnel to third fan time power, and then reduced driving motor's load.

In conclusion, the invention has the following beneficial effects:

firstly, the air inlet and the air outlet are both positioned at the upper end of the collecting barrel, fallen leaves entering the collecting barrel fall under the action of gravity, and air leaves the collecting barrel through the filter plate, so that the possibility that the filter plate is blocked by the fallen leaves is effectively reduced, the overlarge flow resistance of the filter plate is avoided, the stability of the suction wind power for cleaning the fallen leaves is ensured, and the effect of cleaning the fallen leaves is improved;

secondly, a guide plate is arranged at the lower end of the vehicle body, a guide channel leading to the dust suction nozzle is formed by utilizing the two parallel guide plates, the lower end surface of the vehicle body and the ground, the guide channel is provided with an air nozzle, air is sprayed out from a first air nozzle and a second air nozzle, the flow of the air in the guide channel is accelerated, and then the leaves entering the guide channel are brought into the collecting barrel by the flowing air, so that the effect of cleaning the fallen leaves is further improved;

thirdly, a driving motor is utilized to drive the exhaust fan and the exhaust fan to work, so that the structure is simpler, and the cost is reduced.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a cross-sectional view of the present embodiment for showing the separation structure;

FIG. 3 is an exploded view of the present embodiment showing a dust nozzle;

FIG. 4 is a schematic diagram illustrating a structure of an air pump according to the present embodiment;

fig. 5 is a schematic diagram illustrating a structure of an exhaust fan according to the present embodiment.

Reference numerals: 1. a vehicle body; 2. a collection structure; 3. a separation structure; 4. a base; 5. a roller; 6. a collection barrel; 7. a filter plate; 8. an air inlet; 9. an air outlet; 10. a dust suction nozzle; 11. a communicating pipe; 12. an air pump; 13. a baffle; 14. a flow guide way; 15. a base plate; 16. jacking; 17. a chute; 18. a guide plate; 19. a guide channel; 20. a first air nozzle; 21. a second air nozzle; 22. an exhaust fan; 23. a first housing; 24. a first impeller; 25. a drive motor; 26. a first air inlet pipe; 27. a first air outlet pipe; 28. a second housing; 29. a second impeller; 30. a second air outlet pipe; 31. a bidirectional output speed reducer; 32. a guide groove; 34. a booster device; 35. a third housing; 36. a booster impeller; 37. a bypass pipe; 38. an exhaust pipe; 39. adjusting the screw rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a fallen leaf sweeper capable of improving sweeping effect is shown in figure 1 and comprises a sweeper body 1, a collecting structure 2 and a separating structure 3. The vehicle body 1 comprises a base 4 and four rollers 5 which are rotatably connected to the base 4, the collecting structure 2 is fixedly connected to the base 4 and used for collecting fallen leaves on the ground, and the separating structure 3 is used for separating air from the fallen leaves and collecting the fallen leaves.

As shown in fig. 1 and 2, the separation structure 3 includes a collecting barrel 6 and a filter plate 7, the collecting barrel 6 is fixedly connected to the base 4, and an air inlet 8 and an air outlet 9 are formed at the upper end of the collecting barrel. The filter plate 7 is fixedly connected to the upper end of the collecting barrel 6 and separates the air outlet 9. The collecting structure 2 comprises a suction nozzle 10, a communicating tube 11 and a suction pump 12. The dust suction nozzle 10 is vertically and slidably connected to the lower end of the base 4, one end of the dust suction nozzle is provided with an opening, and the other end of the dust suction nozzle is communicated with the communicating pipe 11. The communicating pipe 11 is a hose, and one end of the communicating pipe, which is far away from the dust suction nozzle 10, is fixedly connected to the collecting barrel 6 and is communicated with the air inlet 8. The air inlet of the air pump 12 is communicated with the air outlet 9. When the backing is started to aspiration pump 12, the leaf passes through dust absorption mouth 10 along with the air that flows and gets into in the collecting vessel 6 under the effect of aspiration pump 12, because air intake 8 and air outlet 9 all are located the upper end of collecting vessel 6, so the leaf falls under the effect of gravity, and the air leaves collecting vessel 6 through filter 7, thereby effectively reduced filter 7 by the possibility that the leaf that falls blockked up, avoid the flow resistance of filter 7 too big, the stability of the wind-force of breathing in of cleaning the leaf that falls has been guaranteed, the effect of cleaning the leaf that falls has been promoted. A plurality of guide plates 13 are fixedly connected to the upper end of the collecting barrel 6, and two ends of each guide plate 13 are fixedly connected to the side wall of the collecting barrel 6 in a vertical mode. The guide plates 13 are obliquely arranged and are positioned vertically below the air outlet 9, the lower ends of the guide plates 13 are far away from one end of the air inlet 8, and the guide plates 13 which are obliquely arranged form a plurality of obliquely arranged guide channels 14, so that the guide channels and the air flowing direction in the collecting barrel 6 have a larger angle. The fallen leaves flow along with the flowing air to the flow guide plate 13, but the mass of the fallen leaves is larger compared with the mass of the air, the movement direction is not easy to change by an enlarged angle, and therefore the fallen leaves are not easy to enter the flow guide channel 14, and the filter screen is further prevented from being blocked by the fallen leaves.

As shown in fig. 2 and 3, the suction nozzle 10 includes a horizontal bottom plate 15 and an arc-shaped upper ceiling 16 fixedly attached to the bottom plate 15, the arc of the upper ceiling 16 being greater than 1.5 pi. The work causes the sole plate 15 to engage the floor surface so that more fallen leaves can enter the nozzle 10. Two vertically-arranged sliding grooves 17 are formed in the position, located in front of the dust suction nozzle 10, of the lower end face of the base 4, and guide plates 18 are vertically and slidably connected in the two sliding grooves 17. The guide plate 18 has the same radius as the upper roof 16 and is fixedly connected to the upper roof 16 coaxially. The bottom of the base 4 is provided with an arc-shaped guide groove 32 with the same radius as that of the guide plate 18, and the central axis of the guide plate 18 and the central axis of the guide groove 32 are coaxially arranged.

As shown in fig. 2 and 3, two parallel guide plates 18, the lower end surface of the vehicle body 1 and the floor form a guide passage 19 leading to the suction nozzle 10. The opposite sides of the two guide plates 18 are fixedly connected with first air nozzles 20 pointing to the dust suction nozzle 10, the air spraying directions of the first air nozzles 20 are parallel to the guide plates 18 and are arranged in an inclined mode relative to the horizontal plane, one end, close to the dust suction nozzle 10, of each first air nozzle 20 on one side is inclined upwards, and one end, close to the dust suction nozzle 10, of each second air nozzle 21 on the other side is inclined downwards. The bottom of the vehicle body 1 is fixedly connected with two second air nozzles 21 facing the dust suction nozzle 10. The air blowing direction of the second air nozzle 21 is parallel to the lower end face of the vehicle body 1, and one end of the second air nozzle 21 near the dust suction nozzle 10 is inclined downward to the side where the first air nozzle 20 is located. An exhaust fan 22 for providing power for the first air nozzle 20 and the second air nozzle 21 is fixedly connected to the vehicle body 1. Under the action of the exhaust fan 22, the flowing air is ejected from the first air nozzle 20 and the second air nozzle 21, the flowing of the air in the guide channel 19 is accelerated, and because the first air nozzle 20 and the second air nozzle 21 are inclined towards the same side, the air ejected from the first air nozzle 20 and the second air nozzle 21 forms a horizontal cyclone in the guide channel 19, so that the falling leaves on the ground are lifted, and the dust can more conveniently enter the dust suction nozzle 10. In order to facilitate the vertical rotation of the base 4, an adjusting screw rod 39 is provided, the lower end of the adjusting screw rod 39 is in threaded connection with the guide plate 18, and the height of the guide plate 18 and the height of the dust suction nozzle 10 are controlled by using an adjusting bolt.

As shown in fig. 4 and 5, the suction pump 12 includes a first casing 23, a first impeller 24, and a drive motor 25. The first casing 23 is fixedly connected to the base 4, the first impeller 24 is rotatably connected to the inside of the first casing 23, the first casing 23 is cylindrical, the first casing 23 is fixedly connected with a first air inlet pipe 26 and a first air outlet pipe 27, one end of the first air inlet pipe 26, which is far away from the first casing 23, is fixedly connected with the collecting barrel 6, and the air outlet 9 is communicated. The driving motor 25 drives the first impeller 24 to rotate, the first impeller 24 rotates to pump out and convey air in the first air inlet pipe 26 to the first air outlet pipe 27, negative pressure of the collecting barrel 6 is achieved, and the first air outlet pipe 27 is in positive pressure.

As shown in fig. 4 and 5, the exhaust fan 22 includes a second casing 28 and a second impeller 29. The second casing 28 is fixedly connected to the base 4, the second impeller 29 is rotatably connected to the inside of the second casing 28, the second casing 28 is cylindrical, and the second casing 28 is fixedly connected to a second air outlet pipe 30 communicated with the second casing 28. The second air outlet pipe 30 is communicated with all the first air nozzles 20 and the second air nozzles 21. One end of the first air outlet pipe 27 far away from the first shell 23 is fixedly connected with the second shell 28 and is communicated with the second shell. The pressure at the air outlet of the air pump 12 is reduced, the pressure difference between the air inlet and the air outlet of the air pump 12 is reduced, and the load of the air pump 12 is reduced; the pressure of the air inlet 8 of the exhaust fan 22 is increased, the pressure difference between the air inlet and the air outlet of the exhaust fan 22 is reduced, and the load of the exhaust fan 22 is reduced; meanwhile, the circulation of air flow in the exhaust fan 22 and the air pump 12 is realized, so that dust attached in the air discharged by the air pump 12 is sucked into the collecting barrel 6 again, and the dust pollution is reduced.

As shown in fig. 4 and 5, a bidirectional output reducer 31 is fixedly connected to the base 4, an input shaft of the bidirectional output reducer 31 is coaxially and fixedly connected to the driving motor 25, two output shafts of the bidirectional output reducer 31 are coaxially and fixedly connected to the first impeller 24 and the second impeller 29, respectively, and the driving motor 25 drives the first impeller 24 and the second impeller 29 to realize operations of the exhaust fan 22 and the air pump 12.

As shown in fig. 4 and 5, the base 4 is fixedly connected with a power assisting device 34, the power assisting device 34 includes a third housing 35 and a power assisting impeller 36, the third housing 35 is fixedly connected to the base 4, is disc-shaped and coaxially sleeved on the output shaft of the driving motor 25, the power assisting impeller 36 is coaxially sleeved on the output shaft of the driving motor 25, and the power assisting impeller 36 is located in the third housing 35. A bypass pipe 37 and an exhaust pipe 38 communicating therewith are fixedly connected to the third casing 35. One end of the bypass pipe 37 far from the third shell 35 is fixedly connected to the first air outlet pipe 27 and is communicated with the first air outlet pipe 27, and the air outlet pipe 38 is communicated with the atmosphere. When the driving motor 25 drives the exhaust fan 22 and the suction pump 12 to work, part of the air in the second air outlet pipe 30 enters the by-pass pipe 37, so that the air output of all the first air nozzles 20 and the second air nozzles 21 is smaller than the air input of the dust suction nozzle 10, and the air in the atmosphere still flows into the guide channel 19, thereby driving more fallen leaves to enter the dust suction nozzle 10. Part of the air entering the bypass pipe 37 enters the third housing 35, and because of the arrangement of the bidirectional output speed reducer 31, the rotating speed of the first impeller 24 and the second impeller 29 is far greater than that of the booster impeller 36, and the air entering the third housing 35 applies thrust to the booster impeller 36, so that the load of the driving motor 25 is reduced.

The specific working principle of this embodiment is as follows: the driving motor 25 drives the first impeller 24 and the second impeller 29 to rotate simultaneously through the bidirectional output reducer 31, so that the air suction pump 12 and the exhaust fan 22 work. Negative pressure is formed at the dust suction nozzle 10 under the action of the suction pump 12, air is sprayed out from the first air nozzle 20 and the second air nozzle 21, air in the guide channel 19 flows and forms a horizontal cyclone, falling leaves enter the collecting barrel 6 along with the flowing air through the dust suction nozzle 10 and flow to the guide plate 13 along with the flowing air, but the mass of the falling leaves is larger relative to the air, the movement direction is not easy to change at an increased angle, and the falling leaves are not easy to enter the guide channel 14 and fall into the bottom of the collecting barrel 6 under the action of gravity.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a promote fallen leaves scavenging machine who cleans effect, includes automobile body (1), is used for collecting collection structure (2) and the separation structure (3) of separation fallen leaves and air of fallen leaves, collect structure (2) including vertical sliding connection in dust absorption mouth (10) of automobile body (1), communicating pipe (11) and aspiration pump (12) of communicating pipe (11) intercommunication with dust absorption mouth (10) intercommunication, its characterized in that: the separating structure (3) comprises a collecting barrel (6) fixedly connected to the vehicle body (1), an air inlet (8) and an air outlet (9) are formed in the upper end of the collecting barrel (6), a filter plate (7) for blocking the air outlet (9) is fixedly connected to the upper end of the collecting barrel (6), an air inlet of the air suction pump (12) is communicated with the air outlet (9), and the air inlet (8) is communicated with the dust suction nozzle (10); the dust absorption nozzle (10) is located at the middle position of the bottom of the vehicle body (1), two guide plates (18) which are arranged in parallel are arranged at the bottom of the vehicle body (1), one opposite side of each guide plate (18) is fixedly connected with a first air nozzle (20) pointing to the dust absorption nozzle (10), the bottom of the vehicle body (1) is fixedly connected with a plurality of second air nozzles (21) facing the dust absorption nozzle (10), the vehicle body (1) is fixedly connected with an exhaust fan (22), the first air nozzles (20) and the second air nozzles (21) are communicated with an air outlet of the exhaust fan (22), and the air output of all the first air nozzles (20) and the second air nozzles (21) is smaller than the air input of the dust absorption nozzle (10); guide plate (18) and dust absorption mouth (10) fixed connection, two vertical spout (17) that set up are seted up to automobile body (1) lower extreme, slide (17) are arranged respectively in guide plate (18), automobile body (1) vertical rotation has adjusting screw (39), adjusting screw (39) lower extreme and guide plate (18) threaded connection.

2. The fallen leaf sweeping machine capable of improving sweeping effect according to claim 1, wherein: first air nozzle (20) gas-jet direction is on a parallel with deflector (18) and is the slope setting for the horizontal plane, one side first air nozzle (20) is close to the one end tilt up of dust absorption nozzle (10), the opposite side first air nozzle (20) is close to the one end downward sloping of dust absorption nozzle (10), the gas-jet direction of second air nozzle (21) is on a parallel with terminal surface under automobile body (1), one end that second air nozzle (21) is close to dust absorption nozzle (10) is to the one side slope at the decurrent first air nozzle (20) place of slope.

3. The fallen leaf sweeping machine capable of improving sweeping effect according to claim 2, characterized in that: the air outlet (9) is communicated with an air inlet of the exhaust fan (22).

4. The fallen leaf sweeping machine capable of improving sweeping effect according to claim 1, wherein: fixedly connected with guide plate (13) that a plurality of slopes set up in collecting vessel (6), guide plate (13) fixed connection is in the vertical below of air outlet (9), the lower extreme of guide plate (13) is to the one end of keeping away from air intake (8).

5. The fallen leaf sweeping machine capable of improving sweeping effect according to claim 4, wherein: air pump (12) include first shell (23), rotate and connect first impeller (24) and drive first impeller (24) pivoted driving motor (25) in first shell (23), first shell (23) fixed connection is in first air-supply line (26) and first play tuber pipe (27), air outlet (9) intercommunication of first air-supply line (26) and collecting vessel (6), first play tuber pipe (27) and the air inlet intercommunication of exhaust fan (22).

6. The fallen leaf sweeping machine capable of improving sweeping effect according to claim 5, wherein: exhaust fan (22) include second shell (28) and rotate second impeller (29) of connecting in second shell (28), automobile body (1) two-way output speed reducer (31) of fixedly connected with, the input shaft and the coaxial fixed connection of driving motor (25) of two-way output speed reducer (31), two output shafts of two-way output speed reducer (31) are respectively in first impeller (24) and the coaxial fixed connection of second impeller (29), second shell (28) fixedly connected with second goes out tuber pipe (30), first air nozzle (20) and second air nozzle (21) all go out tuber pipe (30) and intercommunication with the second.

7. The fallen leaf sweeping machine capable of improving sweeping effect according to claim 6, wherein: automobile body (1) fixedly connected with booster unit (34), booster unit (34) are including third shell (35) of fixed connection in automobile body (1), the output shaft of driving motor (25) passes the coaxial fixed connection of output shaft of third shell (35) and two-way output speed reducer (31), coaxial rotation is connected with helping hand impeller (36) on driving motor (25) output shaft, helping hand impeller (36) are located third shell (35), third shell (35) fixedly connected with first bypass pipe (37) of going out tuber pipe (27) intercommunication, third shell (35) fixedly connected with exhaust pipe (38) of atmosphere intercommunication.