CN111236127A - Blowing and sucking machine - Google Patents

Abstract

The invention discloses a blowing and sucking machine, which comprises a shell and an air suction pipe arranged at the front end of the shell, wherein the shell is internally provided with: the centrifugal fan blade of the output shaft of the motor; the crushing mechanism is provided with a staggered cutting assembly for crushing fallen leaves. The invention has the following advantages and effects: through the effect of the staggered cutting assembly, the blowing and sucking machine can effectively perform crushing cutting on fallen leaves and some hard impurities. On the other hand effectively avoids causing destruction to equipment inner structure, can increase equipment simultaneously to the collection volume of impurity, reduces and changes the clearance number of times, extension single live time.

Description

Blowing and sucking machine

Technical Field

The invention relates to the technical field of garden tools, in particular to a blowing and sucking machine.

Background

The blowing and sucking machine comprises a shell, a motor arranged in the shell, centrifugal fan blades driven by the motor, an air suction pipe and an air exhaust pipe, wherein fallen leaves are collected by the air suction pipe and enter a collection bag of the blowing and sucking machine. Generally, a centrifugal fan blade in a traditional blowing and sucking machine is arranged in a casing, and then the centrifugal fan blade is driven by a motor to carry out blowing, sucking and crushing. The defects of the traditional technology are as follows: the hard/sharp object cannot be peeled back and recycled, and may break through the collection bag or cause damage to the centrifugal fan blade structure.

Disclosure of Invention

The invention aims to provide a blowing and sucking machine which has the effect of crushing fallen leaves.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a blowing and sucking machine, includes the casing, sets up in the aspiration channel of casing front end, still be provided with in the casing:

the centrifugal fan blade of the output shaft of the motor;

the crushing mechanism is provided with a staggered cutting assembly for crushing fallen leaves.

By adopting the technical scheme, when the motor works, the centrifugal fan blades are rotated to generate negative pressure in the air suction pipe, and then the fallen leaves on the ground are sucked. The motor forms a cutting region through a rubbing crusher mechanism when rotating centrifugal fan blade, and when the fallen leaves entered into this cutting region, the crisscross cutting subassembly was crisscross to be operated enough to smash the fallen leaves. The crushed fallen leaves are sucked by the centrifugal fan blade again and then enter a collecting device for collection and storage after being centrifugally moved.

The invention is further provided with: the staggered cutting assembly comprises a passive cutting part and an active cutting part, wherein the passive cutting part is positioned at the front end of the shell and at the tail end of the air suction pipe; the passive cutting part comprises a plurality of cutting arms which are distributed in the circumferential direction, and the active cutting part is positioned at the front end of the passive cutting part and forms a cutting area with the cutting arms.

Through adopting above-mentioned technical scheme, the initiative cutting member is through being rotated by the motor, and the cutting wall in with passive cutting portion is crisscross operation each other, forms a cutting region, will smash through the fallen leaves in this cutting region.

The invention is further provided with: the utility model discloses a motor, including the casing, the casing is provided with the mounting box in, the mounting box front end is provided with the intercommunication the mounting hole of aspiration channel, the motor is fixed in the mounting box is terminal, initiative cutting part is located the mounting box front end.

Through adopting above-mentioned technical scheme, the mounting box is integrated with motor, centrifugal fan blade and sets up the initiative cutting member on the output shaft, and a plurality of parts of being convenient for are once only installed in the casing. Meanwhile, falling leaves collected by the centrifugal fan blades can be concentrated in the mounting box to do centrifugal motion, and the falling leaves are prevented from scattering on other parts in the shell.

The invention is further provided with: the passive cutting part further comprises an annular plate and a positioning ring, the tail end of the cutting arm is arranged on the inner side of the annular plate, the front end of the cutting arm is arranged on the positioning ring, and the annular plate is circumferentially fixed on the mounting box.

Through adopting above-mentioned technical scheme, annular plate and holding ring in the passive cutting portion carry out fixed distribution with many cutting arms, make cutting arm and initiative cutting member have relatively stable position relation, and this cutting arm can be with the same effect of initiative cutting member and then improve cutting efficiency and effect when the initiative cutting member is smashed.

The invention is further provided with: the mounting box is including the first box body of connecting the aspiration channel and the second box body of fixed motor, seted up the confession on the first box body passive cutting portion with the mounting hole that the aspiration channel was placed, the aspiration channel front end supports tightly will be passive cutting portion behind the outer terminal surface of annular plate with first box body fixed connection, the aspiration channel with first box body passes through the connecting piece fixedly.

Through adopting above-mentioned technical scheme, passive cutting portion inlays in establishing the mounting hole on first box body, then when ventilating to pass through with first box body and fix through the connecting piece, compresses tightly this passive cutting portion in the mounting hole through the aspiration channel, realizes the fixed to passive cutting portion for this passive cutting portion need not to adopt other mountings to fix, optimizes the structure, reduces the use of whole spare part.

The invention is further provided with: a plurality of positioning lugs are distributed on the outer side of the annular plate, and positioning grooves for the positioning lugs to be inserted are formed in the mounting holes.

By adopting the technical scheme, when the passive cutting part is installed in the installation hole, the passive cutting part is circumferentially fixed in the installation hole through the clamping connection of the positioning lug on the annular plate and the positioning groove on the installation hole, and the co-rotation or the counter-rotation of the passive cutting part and the active cutting part is avoided.

The invention is further provided with: the front end of the output shaft is in a waist-shaped hole shape, and the centrifugal fan blade and the driving cutting piece are axially positioned and circumferentially fixed relative to the output shaft.

By adopting the technical scheme, the front end of the output shaft is arranged to be in a waist-shaped hole shape, so that the centrifugal fan blade and the driving cutting piece which are inserted into the output shaft can be relatively fixed, the output shaft can rotate, and the stable operation of equipment is ensured.

The invention is further provided with: the casing includes first casing and second casing through the bolt fastening, second box body outside both ends all are provided with connects and inserts the post, first casing with be provided with on the second casing and supply connect the spliced eye that inserts the post and peg graft.

Through adopting above-mentioned technical scheme, when first casing and the mutual butt joint of second casing become the casing, the post of connecing of the setting of second box body outer wall in the mounting box can peg graft respectively on first casing and second casing, realizes the fixed mounting of mounting box in the casing. This structure makes operating personnel need not to adopt extra mounting to carry out the fixed mounting to this mounting box, has optimized the installation procedure, realizes once only will collect the mechanism from casing dismouting, can not cause the interference to other spare parts such as motor simultaneously.

In conclusion, the invention has the following beneficial effects: through the combined action of the active cutting piece and the passive cutting part, the blowing and sucking machine can effectively perform crushing cutting on fallen leaves and some hard impurities. Effectively avoid causing destruction to equipment inner structure on the one hand, can increase equipment simultaneously and to the collection volume of impurity, reduce and change the clearance number of times, prolong single live time.

Drawings

FIG. 1 is a schematic view of a suction blower with a first housing removed;

FIG. 2 is a schematic view of the shredder mechanism;

FIG. 3 is a schematic structural diagram of the blowing and sucking machine;

FIG. 4 is an enlarged view of section A of FIG. 1;

FIG. 5 is a view showing a positional relationship between the collecting mechanism and the second housing;

FIG. 6 is an enlarged schematic view of section B of FIG. 1;

fig. 7 is a schematic structural view of the collecting mechanism.

In the figure: 1. a housing; 1-1, a first shell; 1-2, a second shell; 2. an air suction pipe; 3. a motor; 4. a centrifugal fan blade; 5. an output shaft; 6. a staggered cutting assembly; 7. a passive cutting section; 8. an active cutting element; 9. a cutting arm; 10. the installation box is 10-1, and the installation pipe is installed; 11. mounting holes; 12. an annular plate; 13. a positioning ring; 14. a first case; 15. a second box body; 16. a connecting member; 17. positioning the bump; 18. positioning a groove; 19. connecting and inserting the column; 20. inserting holes; 21. a collection mechanism; 22. a storage box; 22-1, connecting pipes; 22-2, an elastic buckle; 23. a filter housing; 24. a filter tube; 25. a positioning cover; 26. a filtration pore; 27. an air outlet; 28. a limiting groove; 29. positioning a buckle; 30. a discharge cover; 31. a grip portion; 32. a first holding portion; 33. a second holding portion; 34. a battery holder; 35. installing a chamber; 36. fixing grooves; 37. strip-shaped bulges; 38. and (4) pipe sleeves.

Detailed Description

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

A blowing and sucking machine, referring to fig. 1 and 2, comprises a shell 1, an air suction pipe 2 arranged at the front end of the shell 1, a collecting mechanism 21 arranged at the lower end of the shell 1, and a crushing mechanism arranged inside the shell 1, wherein the front end of a mounting box 10 in the crushing mechanism is communicated with the air suction pipe 2, and the lower end of the mounting box is communicated with the collecting mechanism 21. The centrifugal fan blades 4 are driven by the motor 3 to operate, fallen leaves sucked from the air suction pipe 2 are transferred into the collecting mechanism 21, and sundries such as the fallen leaves are crushed by a crushing mechanism in the crushing mechanism during transfer.

Referring to fig. 3 and 4, the housing 1 includes a first housing 1-1 and a second housing 1-2 symmetrically disposed, and the first housing 1-1 and the second housing 1-2 may be relatively fixed by a fixing member such as a bolt, and a holding portion 31 is formed at an upper end of the first housing 1-1 and the second housing 1-2, the holding portion 31 includes a first holding portion 32 provided with a switch, and a second holding portion 33 located at a front side and provided for an operator to additionally and selectively hold, the second holding portion 33 is a cylindrical body, and the adjustment of an operation direction of the operator may be facilitated by the second holding portion 33. On the other hand, a battery holder 34 is provided behind the first and second housings 1-1 and 1-2 to supply power to the motor 3. The first shell 1-1 and the second shell 1-2 form a mounting chamber 35 at the rear when being butted, the mounting chamber 35 has the same outer contour as the battery holder 34, meanwhile, fixing grooves 36 are arranged on the first shell 1-1 and the second shell 1-2, and strip-shaped protrusions 37 on the lithium battery shell 1 are limited through the fixing grooves 36, so that the battery holder 34 is finally fixed, and the scheme reduces the use of fixing parts such as bolts and the like, so that the battery holder 34 can keep the integrity of the shell.

Returning to fig. 2, the mounting box 10 of the crushing mechanism includes a first box 14 and a second box 15, the motor 3 is fixed at the rear end of the second box 15 through bolts, meanwhile, the output shaft 5 of the motor 3 extends out of the first box 14, and the first box 14 is fixedly mounted through bolts after being abutted with the second box 15. The centrifugal fan blade 4 is fixed on an output shaft 5 inside the mounting box 10, and the section of the front end of the output shaft 5 is in a waist-shaped hole shape so as to be convenient for fixing and mounting the centrifugal fan blade 4. On the other hand, the crushing mechanism comprises a passive cutting part 7 and an active cutting part 8, wherein the active cutting part 8 is arranged on the output shaft 5, and the active cutting part 8 is preferably a hard alloy part with blades. When the centrifugal fan blade 4 and the active cutting part 8 are installed, the centrifugal fan blade 4 can be firstly sleeved on the output shaft 5, then a section of pipe sleeve 38 is placed, then the active cutting part 8 is sleeved on the output shaft 5, finally, a nut head is connected to the output shaft 5 with the top end provided with threads, the active cutting part 8 is pressed on the pipe sleeve 38, the centrifugal fan blade 4 is pressed on the output shaft 5, and the installation of the centrifugal fan blade 4 and the active cutting part is achieved.

Referring to fig. 2 and 5, a mounting hole 11 is formed in the middle of the first box 14, the passive cutting unit 7 is disposed in the mounting hole 11, and the active cutting unit 8 is also disposed in the mounting hole 11. The passive cutting part 7 comprises a ring of annular plates 12, cutting arms 9 circumferentially distributed on the inner ring of the annular plates 12, and a positioning ring 13 for integrating the front ends of the cutting arms 9. The passive cutting part 7 is mounted on the sleeve 38 before the active cutting part 8, and the positioning ring 13 and the sleeve 38 are over-fitted without contact. Meanwhile, four positioning lugs 17 are arranged on the outer ring of the annular plate 12 in a protruding mode, positioning grooves 18 matched with the positioning lugs 17 are formed in the mounting hole 11, after the passive cutting part 7 is placed in the mounting hole 11, the passive cutting part is circumferentially fixed with the mounting hole 11 through the positioning lugs 17, and the cutting arm 9 and the active cutting part 8 on the front side can form a cutting area for fallen leaves to pass through and be crushed at the same time.

Referring to fig. 5 and 6, the air suction pipe 2 is inserted into the housing 1 and then fixed to the mounting hole 11 of the first box 14. The front end of the air suction pipe 2 is directly inserted into the mounting hole 11, and is fixedly connected with the first box body 14 through a connecting piece 16 arranged on the outer wall, wherein the connecting piece 16 is preferably an existing bolt. After the air suction pipe 2 and the first box body 14 are relatively fixed, the top end of the air suction pipe can directly compress the annular plate 12 on the passive cutting part 7, so that the annular plate 12 is axially limited in the mounting hole 11. The structure reduces the installation steps of additional fixation of the passive cutting part 7, and reduces the complexity of the structure of the passive cutting part 7.

On the other hand, referring to fig. 1 and 5, two insertion posts 19 are respectively disposed on two sides of the outer wall of the second box 15, and insertion holes 20 are disposed on the first casing 1-1 and the second casing 1-2 at positions corresponding to the insertion posts 19. When the whole crushing mechanism is installed, an additional bolt is not needed to be fixed with the shell 1, only the inserting and inserting columns 19 on the second box body 15 are inserted into the corresponding inserting and inserting holes 20 when the first shell 1-1 and the second shell 1-2 are in butt joint and fixed, and after the first shell 1-1 and the second shell 1-2 are fixed, the whole crushing mechanism is directly fixed in the shell 1. Through the integration of rubbing crusher structure and centrifugal fan blade 4, greatly reduced the loaded down with trivial details degree of suction machine when the dismouting is fixed.

Referring to fig. 5 and 7, the first and second cases 14 and 15 are formed at the lower end side with a mounting tube 10-1 for air circulation, and the collecting means 21 is fixed to the mounting tube 10-1. The collecting mechanism 21 comprises a cylindrical storage box 22, a connecting pipe 22-1 is arranged at the upper end of the storage box 22, the connecting pipe 22-1 can be directly fixed on the mounting pipe 10-1 in an interference insertion mode or can be fixed through parts such as bolts, and the storage box 22 is detachably connected with the mounting pipe 10-1. The collecting mechanism 21 further comprises a filter cover 23 arranged on one side of the storage box 22 close to the mounting pipe 10-1 and a discharging cover 30 arranged at the front end of the storage box 22, wherein the crushed fallen leaves are filtered through the filter cover 23, then air is directly circulated to the outside through the filter cover 23, and meanwhile, the collected fallen leaves can be directly dumped and cleaned through the arrangement of the discharging cover 30. The upper end of the discharging cover 30 is rotatably connected with the storage box 22, and the lower end is fixedly connected with the elastic buckle 22-2 on the storage box 22.

In fig. 7, the filter cover 23 comprises a likewise cylindrical filter tube 24 and a positioning cover 25 for fixing the filter tube 24 to the storage box 22. Wherein, the side wall of the filtering pipe 24 is provided with a filtering hole 26, the front end is arranged in a sealing way, and the rear end is arranged in an opening way and is communicated with a rear positioning cover 25. A plurality of air outlet holes 27 are distributed on the positioning cover 25. When the whole filter cover 23 is installed, the filter pipe 24 can be inserted into the limiting groove 28 formed in one side of the storage box 22, then the positioning cover 25 is inserted into the limiting groove 28, and after the filter pipe 24 is pressed by the positioning cover 25, the filter pipe is fixed in the positioning hole of the limiting groove 28 through the positioning buckle 29 arranged on the filter pipe to be fixedly installed.

The leaf crushing process: after the motor 3 is started, the centrifugal fan blade 4 is rotated to enable the mounting box 10 and the air suction pipe 2 to generate negative pressure; sundries such as fallen leaves enter the mounting box 10 through the air suction pipe 2, and are crushed after being jointly acted by the active cutting part 8 and the passive cutting part 7 in the process of passing through the cutting area; the crushed leaves enter the storage box 22 through the centrifugal fan blade 4 and the mounting pipe 10-1; the cyclone separation effect is formed under the action of the centrifugal force, the crushed leaves are collected in the storage box 22, and the air is discharged through the filter pipe 24 and the positioning cover 25; and finally, after the single use is finished, the discharge cover 30 is opened to take out the crushed leaves.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments 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 (8)

1. The utility model provides a blowing and sucking machine, includes casing (1), sets up in aspiration channel (2) of casing (1) front end, its characterized in that: still be provided with in casing (1):

the centrifugal fan blade (4) is arranged on an output shaft (5) of the motor (3);

the crushing mechanism is provided with a staggered cutting assembly (6) for crushing fallen leaves.

2. The suction blower of claim 1, further comprising: the staggered cutting assembly (6) comprises a passive cutting part (7) which is positioned at the front end of the shell (1) and at the tail end of the air suction pipe (2), and an active cutting part (8) which is arranged at the front end of the output shaft (5); the passive cutting part (7) comprises a plurality of cutting arms (9) which are distributed in the circumferential direction, and the active cutting part (8) is positioned at the front end of the passive cutting part (7) and forms a cutting area with the cutting arms (9).

3. The suction blower according to claim 2, wherein: be provided with mounting box (10) in casing (1), mounting box (10) front end is provided with the intercommunication mounting hole (11) of aspiration channel (2), motor (3) are fixed in mounting box (10) are terminal, initiative cutting part is located mounting box (10) front end.

4. A suction machine according to claim 3, characterized in that: passive cutting portion (7) still include annular plate (12) and holding ring (13), cutting arm (9) end sets up annular plate (12) inboard and front end set up in on holding ring (13), annular plate (12) circumference is fixed on mounting box (10).

5. The suction blower of claim 4, wherein: mounting box (10) is including first box body (14) of connecting aspiration channel (2) and second box body (15) of fixed motor (3), offer the confession on first box body (14) passive cutting portion (7) with mounting hole (11) that aspiration channel (2) were placed, aspiration channel (2) front end supports tightly will be passive cutting portion (7) behind annular plate (12) outer terminal surface with first box body (14) fixed connection, aspiration channel (2) with first box body (14) are fixed through connecting piece (16).

6. The suction blower of claim 5, further comprising: a plurality of positioning lugs (17) are distributed on the outer side of the annular plate (12), and positioning grooves (18) for the insertion of the positioning lugs (17) are formed in the mounting holes (11).

7. The suction blower of claim 6, further comprising: the front end of the output shaft (5) is in a waist-shaped hole shape, and the centrifugal fan blade (4) and the driving cutting piece (8) are axially positioned and circumferentially fixed relative to the output shaft (5).

8. The suction blower of claim 7, further comprising: the shell (1) comprises a first shell (1-1) and a second shell (1-2) which are fixed through bolts, the two ends of the outer side of the second box body (15) are respectively provided with a connecting and inserting column (19), and the first shell (1-1) and the second shell (1-2) are provided with a connecting and inserting hole (20) for the connecting and inserting column (19) to be connected in an inserting mode.

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