CN112832182A - Device for collecting leaves and environment-friendly vehicle using same - Google Patents

Abstract

The application relates to the technical field of environmental protection, discloses a collect device of leaf, includes: fan spiral case, reducing mechanism and U-shaped wind channel. A centrifugal impeller is arranged inside the fan volute; crushing teeth are arranged in the crushing device, and a feed inlet is formed in the axial side edge of the crushing teeth of the crushing device; one end of the U-shaped air channel is communicated with an air outlet of the fan volute, and the other end of the U-shaped air channel is communicated with a feed inlet of the crushing device. In this application, the leaf is inhaled in the fan spiral case and carries the reducing mechanism through the U-shaped wind channel in, and its inside crushing tooth can rotate the leaf that gets into and smash, and the U-shaped wind channel can reduce its inside windage effectively, makes the more smooth and easy quilt of leaf carry smash in the reducing mechanism, and the leaf is diminished by the granule after smashing, can prevent the leaf gathering, and then reduces and block up. The application also discloses an environmental protection car.

Description

Device for collecting leaves and environment-friendly vehicle using same

Technical Field

The application relates to the technical field of environmental protection, especially, relate to a device for collecting leaf and use device's environmental protection car.

Background

At present, along with the progress of the rapid development and urbanization of economy also more and more fast, the requirement for urban greening environmental protection also improves gradually, especially the leaf that the afforestation vegetation in both sides of road dropped seriously influences the environmental protection cleanness in city, and current technical scheme is only cleaned or is collected the leaf in both sides of road through cleaning cart or leaf collection device, and wherein leaf collection device adopts the principle similar to the dust catcher more, inhales the leaf and stores in the looks.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

because the area of the leaves is large, the blockage is easy to occur.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a device for collecting leaves and an environment-friendly vehicle using the device, so that the leaves are prevented from being gathered, and blockage is reduced.

In some embodiments, the means for collecting the leaves comprises: fan spiral case, reducing mechanism and U-shaped wind channel. A centrifugal impeller is arranged inside the fan volute; crushing teeth are arranged in the crushing device, and a feed inlet is formed in the axial side edge of the crushing teeth of the crushing device; one end of the U-shaped air channel is communicated with an air outlet of the fan volute, and the other end of the U-shaped air channel is communicated with a feed inlet of the crushing device.

In some embodiments, the eco-car comprises: the device for collecting leaves of the above embodiment.

The device for collecting leaves provided by the embodiment of the disclosure can realize the following technical effects:

the leaf is inhaled in the fan spiral case and is carried the reducing mechanism through the U-shaped wind channel in, its inside crushing tooth can be smashed the leaf that gets into, can reduce the impact force of air current effectively through the U-shaped wind channel, make the reducing mechanism receive the influence of air current impact force to reduce, improve crushing effect, and the inside windage of U-shaped wind channel when reducing the air current impact force can not be too big, make in the more smooth and easy quilt of leaf is carried the reducing mechanism, the leaf volume after smashing diminishes, can prevent the leaf gathering, reduce the jam.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic structural view of an apparatus for collecting leaves according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a blower volute provided in the embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a centrifugal impeller provided by embodiments of the present disclosure;

FIG. 4 is a schematic structural diagram of a pulverizing device provided by an embodiment of the present disclosure;

FIG. 5 is another schematic structural diagram of a pulverizing device provided by an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a frame provided by an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a U-shaped air duct provided in the embodiment of the present disclosure;

FIG. 8 is another schematic structural view of the device for collecting leaves provided by the embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a sealing cover plate provided by an embodiment of the disclosure;

FIG. 10 is a schematic structural view of a fastening structure provided in an embodiment of the present disclosure;

FIG. 11 is a schematic structural diagram of a tee provided by embodiments of the present disclosure;

FIG. 12 is another schematic structural diagram of a tee provided by embodiments of the present disclosure;

FIG. 13 is a schematic structural view of a collection hood provided by embodiments of the present disclosure;

FIG. 14 is a schematic structural view of a side suction portion provided in an embodiment of the present disclosure;

FIG. 15 is a schematic view of a suction port according to another embodiment of the present disclosure

FIG. 16 is a schematic structural view of an eco-car according to another embodiment of the present disclosure;

FIG. 17 is a schematic structural view of an underbody according to another embodiment of the present disclosure;

FIG. 18 is a schematic view of a rotation limiting structure provided by another embodiment of the present disclosure;

FIG. 19 is a schematic view of a second bearing assembled with a second annular groove provided by another embodiment of the present disclosure.

Reference numerals:

001. a vehicle body; 100. a fan volute; 110. a centrifugal impeller; 111. a sawtooth structure; 112. a turntable part; 113. a fan blade portion; 120. an air outlet; 130. an air inlet; 200. a crushing device; 210. crushing teeth; 211. a frame; 211-1, connecting teeth; 212. a crushing shaft; 213. a blade; 214. a rotating shaft; 220. a feed inlet; 300. a U-shaped air duct; 310. a first linear portion; 320. a bending section; 321. an opening; 322. sealing the cover plate; 323. a transparent window; 324. a fixed structure; 324-1, fixing bolt; 324-2, a handle; 324-3, a threaded hole; 324-4, fixing holes; 330. a second straight line portion; 340. an air outlet; 341. a pipeline; 400. a three-way pipe; 410. an air outlet end; 420. a first air inlet end; 430. a second air inlet end; 421. a switch baffle; 421-1, sealing ring; 422. a baffle slot; 422-1, a handle; 422-2, a chute; 423. a collection hood; 423-1, a curtain; 423-2, a sweeping wheel; 500. a side suction part; 510. a telescopic pipeline; 520. a suction head; 521. a hand-held portion; 522. a suction port; 523. adjusting the baffle; 600. a collection bin; 610. a discharge port; 700. a storage box; 800. a drive shaft; 801. a sleeve portion; 802. a telescopic part; 803. a first bearing; 804. a first annular groove; 805. a second annular groove; 900. a tire; 901. transverse anti-slip lines; 1000. a rotation driving mechanism; 1100. a rotation-restricting structure; 1101. a groove part; 1102. a boss portion; 1200. a telescopic driving mechanism; 1201. a telescopic cylinder; 1202. a connecting frame; 1203. a second bearing; 1204. a radial bearing.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

As shown in fig. 1-10, an embodiment of the present disclosure provides an apparatus for collecting leaves, comprising: fan volute 100, reducing mechanism 200 and U-shaped wind channel 300. A centrifugal impeller 110 is arranged inside the fan volute 100; the crushing teeth 210 are arranged in the crushing device 200, and the axial side edge of the crushing device 200, which is positioned on the crushing teeth 210, is provided with a feeding hole 220; one end of the U-shaped air duct 300 is communicated with the air outlet 120 of the blower volute 100, and the other end is communicated with the feed inlet 220 of the crushing device 200.

Adopt the device for collecting the leaf that the embodiment of this disclosure provided, the leaf is carried in reducing mechanism 200 through U-shaped wind channel 300 in being inhaled fan spiral case 100, its inside crushing tooth 210 can smash the leaf that gets into, can reduce the impact force of air current effectively through U-shaped wind channel 300, make reducing mechanism 200 receive the influence of air current impact force and reduce, improve crushing effect, and U-shaped wind channel 300 inside windage can not be too big when reducing the air current impact force, make in the more smooth and easy quilt of leaf is carried reducing mechanism 200, the leaf volume after smashing diminishes, discharge and prevent the leaf gathering behind the storage device, reduce and block up.

Optionally, the U-shaped duct 300 comprises: a first linear portion 310, a curved portion 320, and a second linear portion 330 connected in this order. One end of the first straight line portion 310 is communicated with the air outlet 120 of the blower scroll 100, and the second straight line portion 330 is communicated with the feed inlet 220 of the crushing device 200. In this way, the airflow generated in the blower scroll 100 and the leaves included in the airflow are conveyed to the curved portion 320 through the first straight portion 310, the wind direction is changed by the curved portion 320, the impact force of the airflow is reduced, and the airflow and the leaves are conveyed to the crushing device 200 through the second straight portion 330, so that the impact force of the airflow can be effectively reduced, the influence of the impact force of the airflow on the crushing device 200 is reduced, and the crushing effect of the crushing device 200 is improved.

Alternatively, the flow area of the curved portion 320 is larger than the flow area of the first straight portion 310. Thus, by enlarging the flow area of the air flow, the dynamic pressure of the air flow is reduced, and the excessive impact force of the air flow is prevented, so that the influence of the impact force of the air flow on the crushing device 200 is reduced, and the crushing effect of the crushing device 200 is improved.

Alternatively, the first straight portion 310 is parallel to the second straight portion 330, and the length of the first straight portion 310 is greater than the length of the second straight portion 330. Therefore, the fan volute 100 and the crushing device 200 can be conveniently installed at staggered positions, the structure is more reasonable, and the crushing device 200 can be conveniently installed.

Optionally, an air outlet 340 is disposed on a side surface of the other end of the U-shaped air duct 300, and the air outlet 340 is communicated with the feeding hole 220. Therefore, the crushing device 200 is conveniently connected with the U-shaped air channel 300, the installation position of the crushing device 200 is more reliable, the air outlet 340 is arranged on the side surface of the U-shaped air channel 300 to enable the air flow to turn, the impact force when the air flow flows into the feeding hole 220 is reduced, the influence of the impact force of the air flow on the crushing device 200 is reduced, and the crushing effect of the crushing device 200 is improved.

Alternatively, the side of the other end of the U-shaped air duct 300 refers to the side of the second straight portion 330.

Optionally, the air outlet 340 is communicated with the feeding hole 220 through a pipeline 341. Like this, make and have the distance of predetermineeing between gas outlet 340 and the feed inlet 220, in the leaf in the U-shaped wind channel 300 can pass through pipeline 341 earlier and then gets into feed inlet 220, the air current impact force was too big when preventing that the leaf from directly entering into feed inlet 220 through gas outlet 340, makes reducing mechanism 200 receive the influence of air current impact force, improves reducing mechanism 200's crushing effect.

Optionally, the U-shaped air duct 300 and the duct 341 are integrally formed. Like this, set up to integrated into one piece between U-shaped wind channel 300 and the pipeline 341, can strengthen the connection steadiness between the two, make the air current flow in the U-shaped wind channel 300 more unobstructed, provide sufficient wind-force for the transport of leaf, improve the crushing efficiency of leaf.

Optionally, the connection between the U-shaped air duct 300 and the pipe 341 is welding. Therefore, the installation procedure between the U-shaped air duct 300 and the communication pipeline 341 can be simplified, the operation is simple and convenient, and the connection stability between the U-shaped air duct 300 and the communication pipeline 341 can be enhanced.

Optionally, the connection between the pipe 341 and the feeding hole 220 is detachable. Thus, the pipe 341 and the feed inlet 220 can be easily and quickly assembled and disassembled, and the feed inlet 220 can be cleaned and maintained. Wherein the detachable connection comprises a flange connection and the like.

Alternatively, the duct 341 is disposed obliquely, and one end communicating with the air outlet 340 is located higher than the other end. Like this, make pipeline 341 bottom form the slope, be favorable to reducing the resistance that the leaf enters into feed inlet 220 from the gas outlet 340 in U-shaped wind channel 300, prevent the jam that the leaf gathering caused, improve the kibbling efficiency of leaf.

Optionally, the angle of inclination of the conduit 341 is less than or equal to 30 degrees. Like this, with the inclination control of pipeline 341 in certain extent, both can guarantee that the leaf gets into reducing mechanism 200 smoothly through the pipeline 341 of slope, can make the air current have the turn angle that enlarges again, reduce the impact force of air current, when preventing the jam that the leaf gathering caused, reduce the influence of air current impact force to reducing mechanism 200, improve reducing mechanism 200's crushing effect.

Optionally, the blower volute 100 is provided with an air inlet 130, and the opening directions of the air inlet 130 and the air outlet 340 are the same. Therefore, the opening directions of the air inlet 130 and the air outlet 340 are the same, and equipment communicated with the air inlet 130 or the air outlet 340 can be distributed on one side surface of the fan volute 100, so that the installation space is saved, and the integrally installed structure is more compact.

Optionally, the aperture of the air outlet 340 is greater than or equal to the aperture of the air inlet 130. Therefore, airflow in the fan volute 100 flows more smoothly, the phenomenon that airflow in the fan volute 100 is gathered to block due to the fact that the air inlet volume is larger than the air outlet volume is prevented, the caliber of the air outlet 340 is large, dynamic pressure of air outlet can be reduced, the influence of airflow impact force on the crushing device 200 is reduced, and the crushing effect of the crushing device 200 is improved.

Optionally, the aperture of the air inlet 130 is equal to the aperture of the air outlet 340, so that a sufficient air volume is maintained in the fan volute 100, sufficient wind power is provided for collecting leaves, the efficiency of collecting the leaves is improved, and further, a sufficient leaf volume is provided for crushing the leaves, and the efficiency of crushing the leaves is improved.

Optionally, the bent portion 320 of the U-shaped air duct 300 is provided with an opening 321, and the opening 321 is provided with a sealing cover 322. Therefore, a user can clean and maintain the structure inside the U-shaped air channel 300 in time through the opening 321, leaves are prevented from being accumulated inside the U-shaped air channel to cause blocking, the smoothness of air flow is improved, the sealing cover is arranged to control the opening or closing of the opening 321, and the air tightness of the U-shaped air channel 300 can be improved.

Optionally, the opening 321 extends along the width of the U-shaped air duct 300 for a distance less than its width. Therefore, a certain mounting space is formed between the opening 321 in the width direction and the edge of the U-shaped air duct 300 in the width direction, so that the fixing piece can be mounted conveniently, the stability of connection between the sealing cover plate 322 and the opening 321 is improved, the sealing effect is improved, and the conveying efficiency of the U-shaped air duct 300 is improved.

Optionally, the distance that the opening 321 extends along the length direction of the U-shaped air duct 300 is less than or equal to one third of the length of the bent portion 320 of the U-shaped air duct 300. Like this, make the length setting of opening 321 in reasonable within range, restrict the size of opening 321, keep the steadiness of whole U-shaped wind channel 300 to can guarantee again to clear up out the leaf that blocks up through opening 321.

Optionally, the area of the sealing cover plate 322 is larger than the area of the opening 321. Like this, make sealed apron 322 can all cover opening 321, improve its leakproofness, prevent that opening 321 department from taking place the air current and leaking outward, influence the unobstructed nature that the air current in the U-shaped wind channel 300 flows, and then carry for the leaf of collecting and provide sufficient wind-force, smash in making the smooth arrival reducing mechanism 200 of leaf.

Optionally, the sealing cover plate 322 is of arcuate configuration. Therefore, the sealing cover plate 322 is matched with the bent part of the U-shaped air duct 300, the gap between the sealing cover plate 322 and the opening 321 is reduced, the air flow in the U-shaped air duct 300 is prevented from leaking outwards, the disturbance to the flow of the air flow is avoided, and the flowing smoothness and the continuity of the air flow in the U-shaped air duct are further improved.

Optionally, a transparent window 323 is disposed at the center of the sealing cover plate 322. Therefore, a user can observe the condition inside the U-shaped air duct 300 through the transparent window 323, find and solve faults in time, and the use safety is improved.

Optionally, the transparent window 323 is made of tempered glass. Therefore, the toughened glass has good thermal stability, strong impact resistance, high safety performance, transparency and visibility.

Optionally, a sealing cover plate 322 is attached to the opening 321 by a securing structure 324. Thus, the sealing cover 322 is fixed to the opening 321 to seal the opening 321, thereby improving the overall sealing performance of the opening 321.

Optionally, the fixing structure 324 comprises: a fixing bolt 324-1, a handle 324-2, a threaded hole 324-3 and a fixing hole 324-4. The fixing bolt 324-1 is arranged at the edge of the opening 321, a threaded hole 324-3 is arranged at the center of the handle 324-2, and the threaded hole 324-3 is in threaded connection with the fixing bolt 324-1; the edge of the sealing cover plate 322 is provided with a fixing hole 324-4, and the fixing hole 324-4 can be sleeved on the fixing bolt 324-1. Therefore, the fixing holes 324-4 at the two ends of the sealing cover plate 322 penetrate through the fixing bolts 324-1, then the threaded holes 324-3 in the handle 324-2 penetrate through the fixing bolts 324-1, the threaded holes 324-3 in the handle 324-2 are sleeved on the fixing bolts 324-1, the handle 324-2 is rotated, the sealing cover plate 322 is pressed by the handle 324-2, and the opening 321 is sealed.

Alternatively, the fixing bolts 324-1 are disposed on two opposite sides of the opening 321, the fixing holes 324-4 are disposed on two opposite sides of the sealing cover plate 322, and the fixing bolts 324-1 are disposed corresponding to the fixing holes 324-4. Like this, can fix it from sealed apron 322 relative both ends, improve the fixed stability of sealed apron 322, and then the reinforcing is to opening 321's leakproofness, prevents that U-shaped wind channel 300 from leaking out, improves the transport effect of leaf.

Optionally, the fixing hole 324-4 of the sealing cover plate 322 is a strip-shaped hole. Therefore, the strip-shaped holes can be conveniently penetrated into the fixing bolts 324-1 to install and fix the sealing cover plate 322, and the installation and fixation efficiency is improved.

Optionally, the centrifugal impeller 110 is flanked by saw-tooth structures 111. Therefore, the high-speed rotation of the centrifugal impeller 110 can generate axial suction to suck leaves into the fan volute 100, when the leaves are excessively gathered on the centrifugal impeller 110, blocking congestion can be caused, and friction sound is generated between the leaves and the inner wall of the fan volute 100, the side edge of the centrifugal impeller 110 is provided with the sawtooth structure 111, the gap between the fan volute 100 and the centrifugal impeller 110 can be enlarged, the leaves are prevented from being blocked, a certain crushing effect is achieved on the leaves, the blocking congestion of the leaves is reduced, and the noise generated by the high-speed rotation of the centrifugal impeller 110 can be reduced due to the sawtooth structure 111.

Optionally, the centrifugal impeller 110 comprises: a turntable portion 112 and a fan portion 113. The fan blade portions 113 are provided with a plurality of fan blade portions and are uniformly arranged on the turntable portion 112 in a ring shape, and the fan blade portions 113 are obliquely arranged towards one side of the circle center of the turntable portion 112. Thus, the fan blade 113 is kept away from the center of the turntable 112, and the rotation of the turntable 112 drives the fan blade 113 to rotate to generate an air flow, which enters from the center direction of the turntable 112, thereby preventing the fan blade 113 from blocking the air flow and increasing the air volume of the centrifugal impeller 110.

Optionally, the number of the fan blade portions 113 is less than or equal to 6. Thus, the blades 113 are prevented from being too dense, the gap between the blades 113 is prevented from being too small, the blades can more easily pass through the centrifugal impeller 110, and the probability of the blockage of the blades is reduced.

Optionally, the sawtooth structure 111 is disposed on the side of the fan blade portion 113 facing the inner wall of the fan volute 100. Like this, make and form the zigzag clearance between flabellum portion 113 and the fan spiral case 100, make partial air current accessible clearance, reduce the rotatory resistance of flabellum portion 113, and then reduce the noise that the windage produced to the zigzag clearance can carry out preliminary breakage to the leaf that passes through, improves the efficiency that the leaf was collected.

Optionally, the sawtooth structure 111 is disposed on the side of the fan blade portion 113 facing the front inner wall of the fan volute 100. Like this, the leaf is piled up more easily between flabellum portion 113 and the fan spiral case 100 front side inner wall, through setting up sawtooth structure 111, can be with the preliminary breakage of accumulational leaf, prevents that the leaf from piling up, improves leaf collection efficiency.

Optionally, the pulverizing teeth 210 comprise: a frame 211, a pulverizing shaft 212, a blade 213, and a rotating shaft 214; a plurality of crushing shafts 212 are provided, and one end thereof is fixed to the frame 211; the blade 213 is provided on the pulverizing shaft 212; the rotating shaft 214 is connected to the frame 211 and configured to rotate the frame 211. Thus, the rotating shaft 214 rotates to drive the frame 211 to rotate, the crushing shaft 212 in the frame 211 rotates, and the blades 213 crush the passing leaves under the rotation of the crushing shaft 212, so that the integrity of the whole structure of the crushing teeth 210 can be maintained, and the crushing efficiency of the leaves can be improved.

Alternatively, the blades 213 are obliquely disposed on the pulverizing shaft 212. In this way, the blades 213 are inclined, and when the blades 213 rotate along with the pulverizing shaft 212, the pulverizing area is formed to be larger, thereby effectively improving the pulverizing effect.

Optionally, the crushing shaft 212 is provided with a slot penetrating through the crushing shaft 212, and the blade 213 is movably inserted into the slot on the crushing shaft 212. Thus, the stability of the connection between the blades 213 and the pulverizing shaft 212 can be improved, so that the blades 213 have a better pulverizing effect, and the service life of the blades 213 is prolonged.

Optionally, the blade 213 and the slot are fixed by a screw passing through the slot. In this way, the stability of the connection between the blade 213 and the slot may be improved.

Alternatively, the frame 211 includes a plurality of coupling teeth 211-1, the plurality of coupling teeth 211-1 are uniformly arranged in a ring shape along the center of the frame 211, the coupling teeth 211-1 are coupled to the pulverizing shaft 212, and the center of the frame 211 is coupled to the rotating shaft 214. Therefore, the whole frame 211 can be driven to rotate by the rotating shaft 214, all the crushing shafts 212 are driven to rotate by the frame 211, stirring and crushing can be achieved, and the efficiency of crushing the leaves is improved.

Optionally, the edge of the connecting tooth 211-1 is provided with a saw-tooth structure 111. Therefore, in the rotating process of the connecting teeth 211-1, the leaves can be crushed through the sawtooth structures 111, and the crushing effect is further improved.

Alternatively, the frames 211 are provided in pairs and fixed to both ends of the pulverizing shaft 212, respectively. Like this, can improve the stability of whole crushing tooth 210 structure, improve the security of crushing tooth 210 operation, better smash the leaf.

In another alternative embodiment, shown in connection with fig. 11-12, the means for collecting the leaves further comprises: a tee 400. Tee 400 includes an outlet end 410, a first inlet end 420, and a second inlet end 430; the air outlet end 410 is communicated with the air inlet 130 of the blower scroll 100, and the first air inlet end 420 and the second air inlet end 430 are both provided with a switch baffle 421 configured to open or close the first air inlet end 420 and the second air inlet end 430, respectively. In this way, the air outlet end 410 is communicated with the air inlet 130 of the fan volute 100, so that the three-way pipe 400 is communicated with the fan volute 100, the smoothness of the internal airflow flow is improved, the suction force generated by the centrifugal impeller 110 in the fan volute 100 is transmitted to the three-way pipe 400 through the air inlet 130, the suction force of the internal airflow can be enhanced, leaves are sucked into the fan volute 100 through the three-way pipe 400, further, a user can control the opening or closing of the first air inlet end 420 and the second air inlet end 430 through the switch baffle 421, the leaves can be sucked into the fan volute 100 through the first air inlet end 420 or the second air inlet end 430 and are crushed, the path for the leaves to enter the fan volute 100 is increased, and the collection amount and the crushing efficiency of the leaves are improved.

Optionally, the first air inlet end 420 and the second air inlet end 430 are rectangular structures, and one side of each air inlet end is provided with a baffle slot 422, and the switching baffle 421 is inserted into the tee 400 through the baffle slot 422, wherein the part of the switching baffle 421 inserted into the tee 400 just closes one channel of the tee 400. Like this, insert or extract baffle slot 422 through switch baffle 421 and carry out convenient control to the switching circulation state of three-way pipe 400, make it still can keep other passageways air currents unobstructed under a passageway confined state, the entering and the collection of the leaf of being convenient for increase the route that the leaf was collected, and then improve the collection efficiency of leaf.

Optionally, a handle 422-1 is provided on one side of the switch shield 421 opposite to the shield insertion groove 422. Therefore, the switch baffle 421 can be conveniently inserted into or pulled out of the baffle slot 422 through the handle 422-1, and the operation is simple and quick.

Optionally, the switch baffle 421 is provided with a sealing ring 421-1 around its circumference. Like this, when switch baffle 421 inserts in baffle slot 422, the connecting gap between the reducible both of sealing washer 421-1 strengthens the leakproofness, prevents that the air current in three-way pipe 400 from taking place to reveal at the circulation in-process, reduces the intensity that the air current flows, influences the collection and the transport of leaf.

Optionally, the inner side wall of the tee 400 is provided with a chute 422-2 communicated with the baffle slot 422, and the switch baffle 421 is limited in the chute 422-2 to slide. Thus, the switch baffle 421 is slidably arranged in the chute 422-2, the opening and closing state in the three-way pipe 400 can be controlled by sliding back and forth, and the operation is simple and rapid.

Optionally, first air intake end 420 faces the ground and is in communication with collection hood 423. Therefore, the first air inlet end 420 is arranged towards the bottom surface, so that the leaves on the ground at the bottom of the device can be sucked into the collecting cover 423 through the first air inlet end 420 and then sucked into the fan volute 100 for crushing treatment, the blind area for collecting the leaves can be reduced, and the collecting efficiency is improved.

Optionally, the distance between the collecting hood 423 and the ground is less than or equal to a set value. Thus, the collecting cover 423 is prevented from being damaged by friction between the collecting cover 423 and the ground due to too short distance between the collecting cover 423 and the ground, and the collecting efficiency of the leaves is prevented from being influenced.

Optionally, the set value is greater than or equal to 5 cm and less than or equal to 30 cm. Like this, make collection cover 423 and ground setting in certain safe distance, prevent to take place friction and collision between the two, and then damage and collect cover 423, influence the collection of leaf.

Optionally, the set value is 10 centimeters. Like this, can enough prevent to collect cover 423 and the too short distance before the ground, bump and rub between the two when carrying out the leaf and collect, damage and collect cover 423, can make the air current suction in fan spiral case 100 circulate to ground through first inlet end 420 to inhale and collect the subaerial leaf, improve the efficiency and the security of collecting.

Optionally, the edge of the collection hood 423 is provided with a curtain 423-1. Therefore, when leaves on the ground are sucked into the collecting cover 423, the raised dust and debris can be blocked by the shielding curtain 423-1 and collected in the collecting cover 423, and the pollution to the environment is reduced.

Optionally, a sweeping wheel 423-2 is provided inside the collecting hood 423. Therefore, the poking and sweeping wheels 423-2 can uniformly spread the leaves piled on the ground, prevent the leaves from being blocked due to excessive accumulation, and facilitate the suction of the leaves into the collecting cover 423.

In another alternative embodiment, shown in connection with fig. 13-15, the device for leaf collection further comprises: side suction portion 500. The side suction part 500 communicates with the second air intake end 430. Like this, can collect the subaerial leaf all around the device through side suction portion 500, the leaf of collecting can be inhaled in fan spiral case 100 through second inlet end 430 and carry out shredding, is favorable to enlarging the leaf collection work's of the device scope, reduces collecting device's fund input, practices thrift the cost.

Optionally, the device for collecting leaves further comprises: and a storage box 700 disposed at one side of the blower scroll 100, wherein the side suction part 500 is disposed in the storage box 700. In this way, the storage box 700 stores the side suction unit 500, so that the side suction unit 500 is protected on the one hand, and the side suction unit 500 is fixed on the other hand, thereby preventing the side suction unit 500 from falling off during traveling.

Alternatively, the side suction part 500 includes: a telescopic tube 510 and a suction head 520; and a suction head 520 communicating with the telescopic duct 510. Like this, flexible pipeline 510 can be adjusted through flexible and become to lengthen or shorten, and then changes its working radius, makes and absorbs head 520 and carry out the leaf to subaerial different positions and collect, improves the efficiency that the leaf was collected, saves energy-concerving and environment-protective input cost.

Optionally, a handle 521 is provided on the suction head 520. In this way, the suction position of the suction head 520 is controlled by the handheld part 521, so that the suction head 520 can suck leaves at different positions on the ground, and the operation is simple and quick.

Optionally, the suction opening 522 of the suction head 520 is a rectangular structure having a width of less than or equal to 20 cm. Like this, the width setting that can make the absorption mouth 522 of absorbing head 520 is at reasonable within range, prevents when carrying out the leaf and collect, and the leaf is in absorption mouth 522 department emergence jam, can make the air current that absorbs mouth 522 more concentrated again, strengthens its suction, and then improves the collection efficiency of leaf.

Optionally, an adjusting baffle 523 is movably disposed in the suction port 522, so that the size of the suction port 522 can be adjusted. Like this, can adjust the draught area who absorbs mouth 522 through the size of adjusting absorption mouth 522, and then the suction of head 520 is absorb in the adjustment, will absorb mouth 522 and adjust to the sparse leaf that can be better under less circumstances and absorb, to the better absorption of the leaf that falls scattered to improve the effective range of absorption, and will absorb mouth 522 and adjust to under great circumstances, can absorb the accumulational leaf, improve the absorption efficiency of leaf.

Optionally, the suction opening 522 is a rectangular structure, two opposite sides of the rectangular structure are provided with sliding grooves, and the adjusting baffle 523 is disposed in the sliding grooves and can slide along the sliding grooves. Like this, slide the setting with adjusting baffle 523 on inhaling mouth 522, adjust the size of inhaling mouth 522 through slide adjusting baffle 523, simple structure and can be more convenient adjust the size of inhaling mouth 522.

Alternatively, the suction opening 522 of the suction head 520 is a circular structure. Like this, circular structure can guarantee that the absorption mouth 522 of absorbing head 520 absorbs the collection with the biggest absorption area to subaerial leaf, can reduce the leaf simultaneously and absorb the frictional force between the mouth 522, makes the leaf can be more smooth and easy by the absorption, and then improves the efficiency that the leaf was collected.

With reference to fig. 16-19, in an embodiment of the present disclosure, there is further provided an eco-car including the device for collecting leaves of any of the above embodiments.

In some embodiments, an environmental protection vehicle includes: vehicle body 001, propeller shaft 800 and tire 900. The transmission shaft 800 is of a telescopic structure and is arranged at the bottom of the vehicle body 001; the tires 900 are provided at both ends of the propeller shaft 800, and the wheel base between the tires 900 can be changed as the propeller shaft 800 is extended and contracted.

Adopt the environmental protection car that this disclosed embodiment provided, bottom at the environmental protection car is equipped with telescopic transmission shaft 800, the both ends of transmission shaft 800 are provided with tire 900, through the flexible of control transmission shaft 800, can adjust the distance between the tire 900, under the great condition of distance between tire 900, the width of environmental protection car chassis has been widened in other words, can improve the whole centrobaric stability of environmental protection car, prevent environmental protection car rollover, and the distance can be adjusted between the tire 900 of environmental protection car downside, to the narrower or road middle circumstances such as pit of some roads, can pass through the distance between the regulation tire 900, make the environmental protection car pass through smoothly, can improve the throughput of environmental protection car.

Optionally, the propeller shaft 800 includes: a sleeve portion 801 and an expansion portion 802. The expansion portion 802 is provided in the sleeve portion 801 so as to be expandable and contractible at one end, and is connected to the tire 900 at the other end. Thus, the telescopic portion 802 is made to be more telescopic than the sleeve portion 801, and the distance between the tires 900 can be adjusted, so that the center of gravity of the entire eco-car can be stabilized by adjusting the distance between the tires 900 to be increased.

Alternatively, both ends of the sleeve portion 801 are fixed to the lower side of the vehicle body 001 by the first bearing 803. Thus, the sleeve portion 801 is fixed to the lower side of the vehicle body 001 and is rotatable to rotate the extendable portion 802.

Alternatively, the sleeve portion 801 is provided with first annular grooves 804 at both ends thereof, and the first bearings 803 are engaged in the first annular grooves 804. Thus, the sleeve portion 801 can be rotated with respect to the first bearing 803, and the first annular groove 804 can be used to fix the sleeve portion 801 in the axial direction, thereby preventing the sleeve portion 801 from shifting in the axial direction and maintaining the position of the sleeve portion 801 stable.

Optionally, the eco-car further comprises: the telescopic driving mechanism 1200. The telescopic driving mechanism 1200 is rotatably connected to the telescopic portion 802, and can drive the telescopic portion 802 to extend and contract with respect to the sleeve portion 801. In this way, the telescopic portion 802 is driven by the telescopic driving mechanism 1200 to be telescopic relative to the sleeve portion 801, and further the distance between the tires 900 can be driven to be adjusted by the telescopic portion 802, and the gravity center of the entire eco-friendly vehicle can be more stable by adjusting the distance between the tires 900 to be increased.

Optionally, the telescopic drive mechanism 1200 comprises: telescopic cylinder 1201, connecting frame 1202 and second bearing 1203. One end of the telescopic cylinder 1201 is fixed on the lower side of the vehicle body 001 and is arranged in parallel with the transmission shaft 800; the connecting frame 1202 is connected with the other end of the telescopic cylinder 1201; the second bearing 1203 is connected to the connecting frame 1202 and sleeved on the telescopic portion 802. In this way, the connecting frame 1202 and the second bearing 1203 can transmit the stretching force of the telescopic cylinder 1201 to the telescopic part 802, and the telescopic part 802 can be driven to axially stretch and contract without affecting the rotation of the telescopic part 802.

Optionally, a second annular groove 805 is formed on the telescopic portion 802, and the second bearing 1203 is clamped in the second annular groove 805. In this way, the second bearing 1203 is engaged with the second annular groove 805, so that the telescopic portion 802 is rotatable with respect to the second bearing 1203, and the telescopic portion 802 is moved together with the second bearing 1203 by moving the second bearing 1203 in the axial direction, so that the telescopic portion 802 is telescopically movable with respect to the sleeve portion 801.

Optionally, a radial bearing 1204 is provided between the second bearing 1203 and the sidewall of the second annular groove 805. Thus, the radial bearing 1204 is arranged between the second bearing 1203 and the side wall of the second annular groove 805, so that the second bearing 1203 and the second annular groove 805 can be prevented from generating contact friction, the normal rotation of the second bearing 1203 is influenced, further, friction damage is caused, and the service life is influenced.

Alternatively, both ends of the sleeve portion 801 are provided with a telescopic portion 802, and each telescopic portion 802 is provided with a telescopic driving mechanism 1200 correspondingly. Thus, the tires on both sides of the sleeve portion 801 can be independently expanded and contracted, and the center of gravity of the entire eco-car can be shifted to one side.

Optionally, the eco-car further comprises: a rotary drive mechanism 1000 and a rotation-restricting structure 1100. The rotation driving mechanism 1000 is connected to the sleeve portion 801 and can drive the sleeve portion 801 to rotate; the rotation limiting structure 1100 is disposed between the telescopic portion 802 and the sleeve portion 801, and includes a groove portion 1101 and a protrusion portion 1102, one of which is disposed on an inner wall of the sleeve portion 801, and the other of which is disposed on an outer wall of the telescopic portion 802, and the protrusion portion 1102 can be inserted into the groove portion 1101 and slide along an axial direction of the sleeve portion 801. Thus, the telescopic part 802 is telescopic but not rotatable compared with the sleeve part 801, the transmission shaft 800 is telescopic, the telescopic part 802 is limited to rotate compared with the sleeve part 801, the rotary driving mechanism 1000 is connected with the sleeve part 801 to drive the sleeve part 801 to rotate, the sleeve part 801 drives the telescopic part 802 to rotate through the sleeve part 801, and then the tire 900 is driven to rotate, power is provided for the environment-friendly vehicle, the distance between the tires 900 can be adjusted while the environment-friendly vehicle can normally run, and the gravity center of the whole environment-friendly vehicle can be more stable by adjusting the distance between the tires 900 to be increased.

It is understood that the rotary drive mechanism 1000 is a motor, a fuel engine, or the like, and provides the rotary power to the sleeve portion 801 by engaging a gear provided on the output shaft with a gear provided on the outer side of the sleeve portion 801, or by connecting a pulley provided on the output shaft with a pulley provided on the outer side of the sleeve portion 801 via a belt.

Optionally, the tire 900 is provided with a lateral skid 901. Thus, the frictional force during the forward movement of the tire 900 is maintained, and in the case that the distance between the tires 900 is increased as the tires 900 are laterally moved, since the lateral nonslip lines 901 are provided on the tires 900, the frictional force in the lateral direction is smaller than that of the conventional tire 900, and the tires 900 are more smoothly moved in the lateral direction.

Optionally, the eco-car further comprises a collection bin 600. The collecting bin 600 is provided with a discharge port 610, and the discharge port 610 is communicated with the discharge port of the crushing device 200. Like this, the leaf after shredding gets into in collecting bin 600 through discharge gate 610, makes the leaf after shredding concentrated the collection, reduces environmental pollution, improves the cleanliness of road.

Optionally, the discharge port 610 is located above the collection bin 600. Like this, be convenient for get into collection storehouse 600 through discharge gate 610 by the leaf after smashing in, prevent that the position of discharge gate 610 in collection storehouse 600 from crossing the low leaf and entering into its inside jam that causes, and then improve the collection efficiency of collecting storehouse 600.

Optionally, the collection bin 600 is disposed at the tail of the vehicle body 001, and the device for collecting leaves is disposed at a position of the collection bin 600 close to the head of the vehicle body 001. Like this, can the rational utilization environmental protection car the installation space, make its overall structure installation fixed, the user of being convenient for observes and discovers the position of leaf and operates and uses the device of collecting the leaf, collects the processing, convenient and fast to the leaf.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An apparatus for leaf collection, comprising:

the fan volute is internally provided with a centrifugal impeller;

the crushing device is internally provided with crushing teeth, and the axial side edge of the crushing teeth of the crushing device is provided with a feeding hole;

and one end of the U-shaped air channel is communicated with an air outlet of the fan volute, and the other end of the U-shaped air channel is communicated with the feed inlet of the crushing device.

2. The device for leaf collection of claim 1, wherein the side of the other end of the U-shaped air channel is provided with an air outlet, and the air outlet is communicated with the feed inlet.

3. The device for leaf collection of claim 2, wherein the fan volute has an air inlet opening in the same direction as the air outlet opening.

4. The device for leaf collection of claim 1, wherein the curved portion of the U-shaped air chute is provided with an opening, and a sealing cover is provided over the opening.

5. The apparatus as claimed in claim 1, wherein the centrifugal impeller is serrated on its sides.

6. The device for leaf collection according to claim 1, wherein the shredding teeth comprise:

a frame;

a plurality of crushing shafts, one end of each crushing shaft is fixed on the frame;

a blade provided on the pulverizing shaft;

a rotating shaft connected with the frame and configured to rotate the frame.

7. An apparatus for leaves collection according to any of claims 1 to 6, further comprising:

the three-way pipe comprises an air outlet end, a first air inlet end and a second air inlet end;

the air outlet end is communicated with an air inlet of the fan volute, the first air inlet end and the second air inlet end are both provided with switch baffles and are configured to be opened or closed respectively, the first air inlet end and the second air inlet end face the ground, and the first air inlet end is communicated with the collecting cover.

8. An apparatus for leaf collection according to claim 7, further comprising:

and the side suction part is communicated with the second air inlet end.

9. An apparatus for leaves collection according to claim 8, wherein the side suction comprises:

a telescopic pipeline;

and the suction head is communicated with the telescopic pipeline.

10. An eco-car, characterized in that it comprises a device for leaves collection according to any of claims 1 to 9.

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