CN216077711U

CN216077711U - Impeller of sweeper

Info

Publication number: CN216077711U
Application number: CN202122250095.0U
Authority: CN
Inventors: 王登华
Original assignee: Dongguan Jiafeng Machinery Co ltd
Current assignee: Dongguan Jiafeng Machinery Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-18
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses an impeller of a sweeper, which comprises an impeller main body and an air port arranged at the top end of the impeller main body, wherein the impeller main body consists of a base plate and a top plate; at least three groups of blades are connected between the base plate and the top plate, the blades are spirally arranged by taking the air port as the center, the straight wall on the left side of each blade faces the outer side of the impeller main body, and a cutting wall for rotary-cutting sundries is formed on the arc-shaped surface on the right side of the top end of each blade. The impeller of the sweeper is added with the use function of the impeller, so that the impeller of the sweeper has the rotary cutting and crushing function, sundries sucked into the inner cavity of the impeller main body can be subjected to rotary cutting and crushing, the whole volume of sucked sundries particles is reduced, the probability that the air guide flow passage and the air port are blocked by the sundries with large volume to influence the normal use condition of the sweeper impeller is reduced, the contact abrasion of larger sundries particles to the impeller main body is reduced, and the service life of the whole sweeper impeller is prolonged.

Description

Impeller of sweeper

Technical Field

The utility model relates to the field of impellers, in particular to an impeller of a sweeper.

Background

The impeller of the sweeper is one of basic parts in a vacuum suction type ground sweeper, foreign matters such as garbage, leaves and the like are sucked into an inner cavity of the impeller through the impeller of the sweeper in the using process, and the foreign matters in the impeller are collected and processed uniformly; along with the continuous development of science and technology, different types of sweeper impellers appear on the market.

The existing sweeper impeller has a single function in the use process, and can only suck external sundries into an inner cavity of the impeller; in the use process of the sweeper, when the volume of sundries sucked is large, sundries are easy to block an impeller air guide channel and an air port, and the normal use condition of the sweeper impeller is influenced; and the sundries with large volume are easy to cause serious contact wear to the impeller main body, thereby shortening the service life of the whole impeller of the sweeper and being not beneficial to the popularization and the use of the impeller of the sweeper.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sweeper impeller to solve the problems in the background technology.

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

an impeller of a sweeper comprises an impeller main body and an air port arranged at the top end of the impeller main body, wherein the impeller main body consists of a base plate and a top plate; at least three groups of blades are connected between the base plate and the top plate, the blades are spirally arranged by taking the air port as the center, and an air guide flow passage communicated with the air port is formed between the adjacent blades; the straight wall on the left side of the blade faces the outer side of the impeller main body, a cutting wall for rotary cutting sundries is formed on the arc-shaped surface on the right side of the top end of the blade, and the cutting wall faces the inner cavity air port of the impeller main body.

Preferably, the cutting wall has a circular arc-shaped cross-sectional profile, the thickness of the cutting wall is set to be 1mm-5mm, and the cutting wall is composed of an upper edge wall, a middle edge wall and a lower edge wall.

Preferably, the arc center angle subtended by the arc shapes of the cross sections of the upper edge wall, the middle edge wall and the lower edge wall is 20-65 degrees, and notches are formed in the edge walls of the upper edge wall, the middle edge wall and the lower edge wall.

Preferably, the side view profile of the notch is a V-shaped structure or a U-shaped structure, and the length of the notch is set to be 2mm-4 mm.

Preferably, the cross section of the blade is of an arc-shaped structure, the arc center angle of the arc of the cross section of the blade is 0-90 degrees, and reinforcing ribs are arranged on the outer surface of the blade along the arc bending direction of the blade.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the cutting wall with the uneven blade wall is adopted, so that the using function of the impeller of the sweeper is increased on the premise of not influencing the using function of the sweeper, the impeller of the sweeper has a rotary cutting and crushing function, the blades can generate rotary cutting force in the circumferential rotation process of the impeller, and impurities sucked into the inner cavity of the impeller main body are subjected to rotary cutting and crushing, the integral volume of sucked impurity particles is reduced, the occurrence probability that the air guide flow channel and the air port are blocked by the large-volume impurities to influence the normal using condition of the sweeper impeller is greatly reduced, the contact abrasion of the impeller main body caused by the larger impurity particles is reduced, the integral service life of the sweeper impeller is prolonged, and the popularization and the use of the sweeper impeller are facilitated.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a structural cross-sectional view of the present invention;

FIG. 3 is a perspective view of the construction of the blade of the present invention;

fig. 4 is a structural plan view of the chassis of the present invention.

In the figure: 1 impeller main body, 11 chassis, 12 top disk, 1201 tuyere, 2 blades, 21 straight wall, 22 cutting wall, 221 upper edge wall, 222 middle edge wall, 223 lower edge wall, 2231 notch and 3 wind guide flow channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an impeller of a sweeper comprises an impeller main body 1 and an air port 1201 arranged at the top end of the impeller main body 1, wherein the impeller main body 1 consists of a base plate 11 and a top plate 12; at least three groups of blades 2 are connected between the bottom plate 11 and the top plate 12, the blades 2 are spirally arranged by taking the tuyere 1201 as a center, and an air guide flow passage 3 communicated with the tuyere 1201 is formed between the adjacent blades 2; wherein, the top view appearance of the bottom plate 11 and the top plate 12 are both circular ring structures, and the blades 2 can be set into three groups or five groups; the straight wall 21 on the left side of the blade 2 faces the outside of the impeller body 1, a cutting wall 22 for rotatably cutting impurities is formed on the arc-shaped surface on the right side of the top end of the blade 2, and the cutting wall 22 faces the inner cavity air opening 1201 position of the impeller body 1.

It should be noted that the distance between the adjacent blades 2 is set to be 20-45mm, so that a sufficiently large air guide channel 3 is formed, and then the blocking effect of air is reduced, so that the air guide channel 3 can normally and smoothly guide the air volume generated when the impeller of the sweeper rotates by using the blades 2; wherein the vane 2 is vertically connected between the bottom plate 11 and the top plate 12, and the straight wall 21 at the left side of the vane 2 is vertically connected between the bottom plate 11 and the top plate 12.

Referring to fig. 2 and 3, the cross-sectional shape of the cutting wall 22 is a circular arc structure, the thickness of the cutting wall 22 is set to be 1mm-5mm, wherein the overall thickness of the cutting wall 22 can be set to be 1.5mm or 2mm, that is, the sharpness of the overall cutting wall 22 can be improved while the overall structural strength of the cutting wall 22 is not damaged, so that the cutting wall 22 generates a strong rotary cutting force to crush impurities when the impeller is operated; the cutting wall 22 is composed of an upper edge wall 221, a middle edge wall 222 and a lower edge wall 223; the arc angles of the cross-sectional profile arcs of the upper blade wall 221, the middle blade wall 222 and the lower blade wall 223 are all 20-65 degrees.

Further, in the present embodiment, the arc angle of the cross-sectional profile of the upper blade wall 221 is 30 degrees, the arc angle of the cross-sectional profile of the middle blade wall 222 is 45 degrees, and the arc angle of the cross-sectional profile of the lower blade wall 223 is 60 degrees; through the arrangement of the arc center angles, the cutting wall 22 formed by the upper blade wall 221, the middle blade wall 222 and the lower blade wall 223 can have an attractive appearance, meanwhile, the cutting wall 22 can have a gentle arc-shaped surface, the contact surface between the cutting wall 22 and sundries can be increased, the cutting wall 22 can generate the best rotary cutting force to quickly cut the sundries when the impeller operates, the integral rotary cutting effect of the cutting wall 22 is greatly improved, the rotary-cut sundries are more delicate in particles, and the contact wear of the sundries to the impeller main body 1 is reduced.

Further, the blade walls of the upper blade wall 221, the middle blade wall 222 and the lower blade wall 223 are all provided with a notch 2231, the side view of the notch 2231 is a V-shaped structure or a U-shaped structure, and the length of the notch 2231 is set to be 2mm-4 mm; in this embodiment, the length of the notch 2231 is the diameter of the notch 2231, and can be set to be 2mm, 3mm, or 4mm long notch 2231, and by such setting, the cutting wall 22 has a serrated upper surface, so that the rotary cutting force generated by the blade 2 during the operation of the impeller can be increased, thereby increasing the rotary cutting speed of the impurities, further refining the particles of the impurities, and greatly reducing the particle size of the whole impurities.

It should be noted that the notch 2231 can make the surface of the cutting wall 22 form an uneven edge wall, so that when the cutting wall 22 rotates along with the circumference of the blade 2, the cutting wall 22 generates a rotary cutting force to rotationally cut the leaves, garbage and other impurities, and then the impurities are crushed, so that when the follow-up impeller is applied to the sweeper, the use function of the sweeper is increased, the situation that the air guide flow channel 3 is blocked due to the larger impurities and garbage in the use process of the sweeper to influence the normal use of the sweeper is reduced, the contact wear of the impeller main body 1 caused by larger impurities and particles is reduced, and the service life of the whole sweeper is prolonged.

Referring to fig. 1 and 4, the cross section of the blade 2 is in a circular arc structure, the arc center angle of the arc of the cross section of the blade 2 is 0-90 degrees, and the outer surface of the blade 2 is provided with a reinforcing rib along the arc bending direction of the blade 2; wherein, the setting for of strengthening rib can strengthen 2 holistic structural strength of blade, improves 2 holistic durable of blade, has prolonged the life of blade 2.

The working principle is as follows: before the impeller of the sweeper is used, the impeller main body 1 is required to be installed on an output shaft of a driving motor, and therefore the driving motor is a variable frequency motor which is commonly used in the field of sweepers and has a specification such as YVP-90-S-4-B5 model, and the driving motor is not shown in the drawing; then, a driving motor is started to operate, at the moment, the impeller main body 1 rotates circumferentially, and then the blades 2 rotate circumferentially to generate suction force to suck external impurities such as garbage and leaves into the air guide flow channel 3 in the impeller main body 1; sundries enter the inner cavity of the impeller main body 1 along the air guide flow channel 3, and the set cutting wall 22 rotates along with the blade 2 at a high speed, so that when the cutting wall 22 rotates along the circumference, the cutting wall 22 generates rotary cutting force to rapidly cut the sundries in a rotary manner, the overall size of the sundries is greatly reduced, and convenience is brought to the subsequent sundries guiding work of the sweeper.

The impeller of the sweeper increases the using function of the impeller of the sweeper on the premise of not influencing the using function of the sweeper by the aid of the cutting wall 22 with the rugged blade wall, so that the impeller of the sweeper has the rotary cutting and crushing function, the blades 2 can generate rotary cutting force in the circumferential rotation process of the impeller, sundries sucked into the inner cavity of the impeller main body 1 are subjected to rotary cutting and crushing, the whole volume of the sucked sundries is reduced, and the occurrence probability that the air guide flow channel 3 and the air inlet 1201 are blocked by the bulky sundries to influence the normal using condition of the impeller of the sweeper is reduced.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The detachable installation mode has various modes, for example, a mode of matching with a buckle through plugging, for example, a mode of connecting through a bolt, and the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impeller of a sweeper comprises an impeller main body and an air port arranged at the top end of the impeller main body, wherein the impeller main body consists of a base plate and a top plate; the method is characterized in that: at least three groups of blades are connected between the base plate and the top plate, the blades are spirally arranged by taking the air port as the center, and an air guide flow passage communicated with the air port is formed between the adjacent blades; the straight wall on the left side of the blade faces the outer side of the impeller main body, a cutting wall for rotary cutting sundries is formed on the arc-shaped surface on the right side of the top end of the blade, and the cutting wall faces the inner cavity air port of the impeller main body.

2. The sweeper impeller of claim 1, wherein: the section of the cutting wall is in an arc-shaped structure, the thickness of the cutting wall is set to be 1-5 mm, and the cutting wall is composed of an upper edge wall, a middle edge wall and a lower edge wall.

3. The sweeper impeller of claim 2, wherein: the arc center angle of the arc of the cross section of the upper edge wall, the middle edge wall and the lower edge wall is 20-65 degrees, and notches are arranged on the edge walls of the upper edge wall, the middle edge wall and the lower edge wall.

4. The sweeper impeller of claim 3, wherein: the side view appearance of the notch is in a V-shaped structure or a U-shaped structure, and the length of the notch is set to be 2mm-4 mm.

5. The sweeper impeller of claim 1, wherein: the cross section of the blade is of an arc-shaped structure, the arc center angle of the arc of the cross section of the blade is 0-90 degrees, and reinforcing ribs are arranged on the outer surface of the blade along the arc bending direction of the blade.