CN112656288A - Dirt and dust separating device and dust collector - Google Patents
Dirt and dust separating device and dust collector Download PDFInfo
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- CN112656288A CN112656288A CN202011645215.0A CN202011645215A CN112656288A CN 112656288 A CN112656288 A CN 112656288A CN 202011645215 A CN202011645215 A CN 202011645215A CN 112656288 A CN112656288 A CN 112656288A
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- dirt
- output shaft
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Abstract
The invention provides a dust and dirt separating device and a dust collector, comprising: a main body having a vacuum motor therein; the wind wheel is arranged on the vacuum motor; the dust collecting cavity is detachably arranged on the main body and is provided with an air inlet; the filter screen support is arranged in the dust collection cavity, the filter screen support is provided with output shafts, filter screens are respectively arranged on the output shafts, and the output shafts are suitable for driving the filter screens to rotate under the action of external force. Set up like this, realized the automatically cleaning of filter screen, avoided the filter screen to reduce filtering quality because of the adhesion of dust or impurity, reduce the filter screen and change and take out clear number of times, improve user's use and experience, reduced the consumption of dust catcher, do benefit to energy-concerving and environment-protectively.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to a dust and dirt separating device and a dust collector.
Background
Nowadays, economy continues to develop fast, and consumer income continues to increase, especially the rapid growth of big and middle-sized city resident income level, and resident's living condition constantly improves, and the large tracts of land housing is more and more, and the resident also is more and more strong to the demand of dust catcher.
Vacuum cleaner is as common electrical equipment, makes negative pressure environment through built-in motor, inhales the dust catcher with the air that the external world mixes dust and filth inside, through filtering and separation, dust and filth persist in the dust catcher, and clean air is discharged to the external world. Typical dirt separators for vacuum cleaners include porous bag separators or cyclonic separators.
However, after the porous bag type separator is used for a period of time, the small holes on the dust collecting bag are rapidly blocked by dirt, so that the suction force of the dust collector is reduced, after the dust collecting bag is filled, the old bag needs to be thrown away and replaced by a new bag, so that resource waste and environmental pollution are caused, the use cost of a user is increased, and the dirt separation efficiency is low. For the cyclone separator, the airflow carrying dust can form cyclone in the dust collector, and the dust particles have relatively large mass and can be in friction collision with the wall of the container and fall into the dust collecting box under the action of centrifugal force, so that the aim of separating the dust and air is fulfilled.
The prior art provides a dust and dirt separator comprising a foraminous disc at the air flow outlet of the collecting chamber and a motor for rotating the disc. The disk is arranged to rotate about an axis of rotation and includes apertures through which a cleaned airflow passes. The dirt-laden air stream enters the chamber and contacts the rotating turntable, which applies a tangential force to the air stream so that dirt entrained in the air stream moves radially along the surface of the turntable towards the edge of the turntable. During this process, the air flow will exit through the small holes in the turntable, and the dirt therein will continue to move towards the outer radial edge and collect at the bottom of the chamber due to its greater inertia. Compared with a cyclone separator, the separator consumes less vacuum pressure and can be matched with a vacuum motor with less power and noise.
However, in the working process of the separator, a motor for driving the rotating disc to rotate is added, so that the power consumption of the whole dust collector is improved, and the energy conservation and environmental protection are not facilitated.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect of high energy consumption of the dirt separator in the prior art, so as to provide an energy-saving dirt-and-dust separating device and a dust collector.
The invention provides a dust and dirt separating device, comprising: a main body having a vacuum motor therein;
the wind wheel is arranged on the vacuum motor;
the dust collecting cavity is detachably arranged on the main body and is provided with an air inlet;
the filter screen support is arranged in the dust collection cavity, an output shaft is arranged on the filter screen support, a filter screen is arranged on the output shaft, and the output shaft is suitable for driving the filter screen to rotate under the action of external force.
The dirt separator still includes: and the power device acts on the output shaft.
The power device is a pneumatic fan blade, and the mounting hole of the output shaft penetrates through the output shaft.
The pneumatic fan blade is arranged between the filter screen and the wind wheel.
The axis of the air inlet and the axis of the filter screen are overlapped.
The inner wall of the main body is provided with an inner barrel, the filter screen support is arranged on the inner wall of the inner barrel, and the diameter of the filter screen is larger than that of the inner barrel.
The main body includes: a first body in which the vacuum motor is disposed;
the second main body is detachably connected to the first main body, and the filter screen support is arranged in the second main body.
The side wall of the first main body is provided with an exhaust hole.
The first body is provided with a vacuum motor mounting part.
The vacuum motor mounting part is a groove arranged on the inner wall of the first main body.
One side of the filter screen close to the filter screen support is provided with a connecting sleeve, and the connecting sleeve is suitable for being connected with the output shaft.
The filter screen comprises an opening area and a non-opening area, wherein the opening area is arranged inside the non-opening area.
The filter screen is characterized in that a plurality of through holes are arranged in the opening area, and the included angle between the longitudinal axis of each through hole and the longitudinal axis of the filter screen is gradually increased along the direction far away from the center of the filter screen.
The dust and dirt separating device also comprises a motor filter screen which is arranged at one end of the wind wheel close to the filter screen bracket.
An opening is arranged on the dust collecting cavity, the main body is connected with the dust collecting cavity through the opening, and the edge of the filter screen is abutted against the inner edge of the opening and is movably connected with the inner edge of the opening.
The invention provides a dust collector which is characterized by comprising the dust-dirt separating device;
one end of the dust collection pipe is connected to the air inlet of the dust and dirt separation device;
and the dust collector head is connected to the other end of the dust collection pipe.
The technical scheme of the invention has the following advantages:
1. the invention provides a dust and dirt separating device, which comprises: a main body having a vacuum motor therein; the wind wheel is arranged on the vacuum motor; the dust collecting cavity is detachably arranged on the main body and is provided with an air inlet; the filter screen support is arranged in the dust collection cavity, the filter screen support is provided with output shafts, filter screens are respectively arranged on the output shafts, and the output shafts are suitable for driving the filter screens to rotate under the action of external force.
Open when the vacuum motor, the wind wheel takes place to rotate, air inlet through the dust collecting chamber is to the main part air inlet, external force drives the output shaft and takes place to rotate, the in-process of dust and impurity that sets up the filter screen on the output shaft in filtering the inflow main part air current, take place synchronous rotation, and throw away the dust and the impurity of adhesion on the filter screen down through the effect of centrifugal force, set up like this, the automatically cleaning of filter screen has been realized, avoid the filter screen to reduce filtration performance because of the adhesion of dust or impurity, reduce the filter screen and change and take out clear number of times, improve user's use experience, the consumption of dust catcher is reduced, do benefit to energy-concerving.
2. According to the dust and dirt separating device provided by the invention, the pneumatic fan blade is arranged between the filter screen and the wind wheel.
The pneumatic fan blade and the wind wheel are arranged adjacently, the wind receiving efficiency of the pneumatic fan blade is improved, the rotating speed of the output shaft and the filter screen is further increased, and the self-cleaning capacity of the filter screen to dust is improved.
3. The invention provides a dust and dirt separating device which is characterized in that the axis of the air inlet and the axis of the filter screen are overlapped.
The arrangement shortens the path of the airflow flowing into the filter screen and improves the filtering efficiency.
4. According to the dust and dirt separating device provided by the invention, the inner wall of the main body is provided with the inner cylinder, the motor support is arranged on the inner wall of the inner cylinder, and the diameter of the filter screen is larger than that of the inner cylinder.
Through foretell setting mode for cover the region of inner tube, also can avoid dirt to enter into the main part inside, cause the pollution to the main part inside.
5. According to the dust and dirt separating device provided by the invention, the vacuum motor mounting part is a groove arranged on the side wall of the first main body.
Through setting up the recess, can realize the stability of vacuum motor self, avoid vacuum motor to take place to rock.
6. According to the dust and dirt separating device provided by the invention, the plurality of through holes are arranged in the opening area, and the included angle between the longitudinal axis of each through hole and the longitudinal axis of the filter screen is gradually increased along the direction far away from the center of the filter screen.
Through the mode of setting up to the through-hole axis for through-hole self can be relative the dirty direction of motion of dirt and deviate certain angle, avoid dirt direct entry to the through-hole in, cause the jam to the through-hole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a vacuum cleaner according to the present invention;
FIG. 2 is a schematic perspective view of a dust and dirt separating device according to the present invention;
FIG. 3 is a schematic view showing an internal structure of the dirt-separating apparatus shown in FIG. 2;
FIG. 4 is an exploded view of the dirt-separating device shown in FIG. 2;
description of reference numerals:
1-a body; 11-a first body; 111-vent; 12-a second body; 13-inner cylinder; 14-vacuum motor mounting; 2-a vacuum motor; 3-wind wheel; 31-motor filter screen; 4-dust collecting chamber; 5-an air inlet; 6-pneumatic fan blades; 7-a filter screen; 71-connecting sleeves; 8-a filter screen bracket; 81-output shaft; 9-a dust suction pipe; 10-head of vacuum cleaner.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 4, the present invention provides a dust and dirt separating apparatus, which includes a main body 1, a wind wheel 3, a dust collecting chamber 4 and a filter screen bracket 8.
The main body 1 is arranged in a cylindrical shape, and a vacuum motor 2 connected with an external power supply is arranged in the main body; the central cover of wind wheel 3 is established on vacuum motor 2's axis of rotation to can dismantle the connection rather than, be threaded connection in this embodiment, also can be interference connection etc. along 3 work direction of rotation of wind wheel, the inside negative pressure environment that attracts the external dust impurity air current that has of dust separator that produces.
The filter screen bracket 8 is arranged in the dust collection cavity 4, an output shaft 81 is arranged on the filter screen bracket, the filter screen 7 is arranged on the output shaft 81, and the output shaft 81 can drive the filter screen 7 to rotate under the action of external force.
Open when vacuum motor 2, wind wheel 3 takes place to rotate, air inlet through dust collecting chamber is to the main part air inlet, external force drives output shaft 81 and takes place to rotate, the in-process of dust and impurity of filter screen 7 that sets up on output shaft 81 in filtering inflow main part 1 air current, take place synchronous rotation, and throw away the dust and the impurity of adhesion on filter screen 7 down through the effect of centrifugal force, set up like this, the automatically cleaning of filter screen 7 has been realized, avoid filter screen 7 to reduce filtering quality because of the adhesion of dust or impurity, reduce filter screen 7 and change and take out clear number of times, improve user's use experience, the consumption of dust catcher is reduced, do benefit to energy-concerving and environment-protective.
In this embodiment the dirt-and-dust separating apparatus further comprises power means acting on said output shaft. In this embodiment, the power device is a pneumatic fan blade 6, and the mounting hole of the output shaft 81 is formed through the output shaft 81.
In an alternative embodiment, the power unit may be a motor or a handle, or the like, instead of the power unit.
In the present embodiment, the output shaft 81 is provided coaxially with the rotation shaft of the vacuum motor 2. Be provided with filter screen 7 and pneumatic fan blade 6 on the output shaft 81 respectively, pneumatic fan blade 6 includes that the multi-disc encircles the even blade that sets up of output shaft 81, can drive output shaft 81 rotation under the air current effect, and in this embodiment, the air current flows into in to dirt separator from the external world under vacuum motor 2 and wind wheel 3 effect. In this embodiment, the edge of the filter screen 7 abuts against the inner edge of the opening and is movably connected, and the filter screen 7 can rotate relative to the opening.
In this embodiment, the structure of the filter screen 7 itself is not limited too much, and the cross-sectional shape of the filter screen 7 along the longitudinal cross-section thereof may be in a linear arrangement or a triangular arrangement, or may be in an arc arrangement. From the structural point of view, the filter screen 7 may have a simple sheet-like structure or a hollow closed structure. In the present embodiment, the filter 7 is preferably disposed in a plane. As an alternative embodiment, the filter screen 7 may also be arranged conically.
Open when vacuum motor 2, wind wheel 3 takes place to rotate, external force drives output shaft 81 and takes place to rotate, the in-process of dust and impurity of filter screen 7 setting on output shaft 81 in filtering the inflow main part 1 air current, take place synchronous rotation, and throw away the dust and the impurity of adhesion on filter screen 7 down through the effect of centrifugal force, set up like this, filter screen 7's automatically cleaning has been realized, avoid filter screen 7 to reduce filtration performance because of the adhesion of dust or impurity, reduce filter screen 7 and change and take out clear number of times, improve user's use experience, furthermore, filter screen 7's rotation need not additionally to set up the power supply and drives, the consumption of dust catcher has both been reduced, do benefit to energy-concerving and environment-protective. Simultaneously, the edge of filter screen 7 and the uncovered butt of dust collection chamber 4 connection main part 1 avoid during dust and impurity get into main part 1, guarantee the complete operation of filter screen 7 function.
In this embodiment, the pneumatic fan 6 is disposed between the filter screen 7 and the wind wheel 3. The arrangement enables the pneumatic fan blade 6 and the wind wheel 3 to be arranged adjacently, improves the wind receiving efficiency of the pneumatic fan blade 6, further increases the rotating speed of the output shaft 81 and the filter screen 7, and improves the self-cleaning capacity of the filter screen 7 for dust.
As an alternative embodiment, the pneumatic blade 6 may be arranged at the end of the output shaft 81 facing away from the wind wheel 3, so that the filter screen 7 is arranged between the starting blade and the wind wheel 3.
The position of the air inlet 5 on the dust collecting chamber 4 is not limited to a large extent, and it may be provided at the axial position of the dust collecting chamber 4 or may be provided at a position deviated from the axial position of the dust collecting chamber 4. As a preferable embodiment, in the present embodiment, the axis of the air inlet 5 and the axis of the filter mesh 7 are disposed to coincide with each other. The arrangement shortens the path of the airflow flowing into the filter screen 7 and improves the filtering efficiency.
As an alternative embodiment, the axis of the air inlet 5 may also be staggered with respect to the axis of the filter screen 7.
In this embodiment, an inner cylinder 13 is disposed on the inner wall of the main body 1, a filter screen support is disposed on the inner wall of the inner cylinder 13, and the diameter of the filter screen 7 is larger than that of the inner cylinder 13. Through the arrangement mode, the area of the inner barrel 13 is covered, and dust and dirt can be prevented from entering the main body 1 to pollute the inside of the main body 1.
In the present invention, the body 1 includes a first body 11 and a second body 12. The first body 11 and the second body 12 are cylinders with the same diameter, the connection mode between the first body 11 and the second body 12 is not limited too much, the connection mode can be realized through a buckle, a fixing strip can be arranged on the outer side of the connection seam between the first body 11 and the second body 12, and the first body 11 and the second body 12 are connected into a whole through the fixing strip.
In the present embodiment, the vacuum motor 2 is provided in the first body 11, the second body 12 is provided in connection with the dust collecting chamber 4 and detachably attached to the first body 11, and the filter net holder 8 is provided in the second body 12. As a further alternative embodiment, the first body 11 and the second body 12 may also be provided integrally.
The inner cylinder 13 and the outer wall of the first body 11 are respectively provided with a plurality of exhaust holes 111 at corresponding positions on the side wall. A plurality of exhaust holes 111 are concentrated regional align to grid in the rectangle and are set up, and the clean gas of the external air current of exhaust after being filtered and detached dust or impurity can be discharged from exhaust hole 111, because exhaust hole 111 sets up on the lateral wall of first main part 11, has adjusted the air-out angle, avoids airing exhaust towards the user, improves user experience. As an alternative embodiment, the venting hole 111 may also be provided at other locations of the body 1, such as on the bottom wall of the second body 12 or the first body 11.
Further, the first body 11 is provided with a vacuum motor mounting portion 14. In the present embodiment, the vacuum motor mounting part 14 is a groove provided on the inner wall of the first body 11. The recess sets up on the extension line of output shaft 81, and the mode that vacuum motor 2 one end was connected through the interference is fixed on the recess, through setting up the recess, can realize the stability of vacuum motor 2 self, avoids vacuum motor 2 to take place to rock. As an alternative embodiment, the vacuum motor mounting portion 14 may also be a bracket structure of the vacuum motor 2 provided in the first body 11.
In this embodiment, a side of the filter screen 7 close to the filter screen support 8 is provided with a connection sleeve 71, and the connection sleeve 71 is adapted to be connected with the output shaft 81.
Specifically, the connection sleeve 71 is disposed at an axial position of the filter screen 7 and extends toward the vacuum motor 2. The connection mode between the connection sleeve 71 and the output shaft 81 is not limited too much, and it may be interference connection, or may be screw connection, or may be connection by drilling holes in the connection sleeve 71 and the output shaft 81, respectively, and then placing pins in the holes.
The filter 7 includes an opening area and a non-opening area, and the opening area is provided inside the non-opening area.
A plurality of through holes are arranged in the opening area, and the included angle between the longitudinal axis of each through hole and the longitudinal axis of the filter screen 7 is gradually increased along the direction far away from the center of the filter screen 7.
In this embodiment, the specific structure of the filter screen 7 is not limited too much, and a through hole may be formed in the entire diameter range. In a preferred embodiment, the filter screen 7 includes an open area and a non-open area, and the open area is disposed inside the non-open area. Specifically, the non-perforated region itself has a ring-shaped structure.
The shape of the through hole is not limited, and the through hole can be a circular hole or a non-circular hole structure. As long as the blocking of the dirt itself can be achieved. Meanwhile, the axes of the through holes on the filter screen 7 are not limited, and the axes of the through holes may be all arranged parallel to the longitudinal axis of the filter screen 7. In a preferred embodiment, the angle between the longitudinal axis of the through hole and the longitudinal axis of the filter screen 7 increases gradually in a direction away from the center of the filter screen 7. Through the mode of setting up to the through-hole axis for through-hole self can be relative the dirty direction of motion of dirt and deviate certain angle, avoid dirt direct entry to the through-hole in, cause the jam to the through-hole.
The dust and dirt separating device also comprises a motor filter screen 31 which is arranged at one end of the wind wheel 3 close to the filter screen bracket 8. Specifically, motor filter screen 31 self and the one end mutual fixed connection of wind wheel 3, after wind wheel 3 took place to rotate, motor filter screen 31 will be along with wind wheel 3 synchronous motion. In this embodiment, the motor filter screen 31 is the HEPA high efficiency filter screen 7.
The present embodiment also provides a vacuum cleaner, including: the dust and dirt separating device, the dust suction pipe 9 and the dust collector head 10. One end of the dust suction pipe 9 is connected with the air inlet 5 of the dust and dirt separating device, and the dust collector head 10 is connected with the other end of the dust suction pipe 9.
After the dirt separator starts, the vacuum motor 2 works to generate negative pressure, and the negative pressure sucks dirt into the dirt separator through the dust suction pipe 9 by the dust collector head 10, so that the dirt is stored.
In this embodiment, as shown in fig. 1, a handle may be directly disposed on the dirt-dust separating apparatus, so as to form a handheld vacuum cleaner, and when a vacuum operation is required, a user may directly hold the handle by hand to perform the vacuum operation. As a modification, the dust and dirt separating apparatus may be provided in the dust suction bucket, in which case the user holds the dust suction pipe 9 by hand, and the dust and dirt generated during the cleaning process will enter the dust suction bucket to be collected, and the dust suction bucket is provided therein with rollers to move along with the user.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (16)
1. A dirt-and-dust separating apparatus, comprising:
a main body (1) provided with a vacuum motor (2) therein;
the wind wheel (3) is arranged on the vacuum motor (2);
the dust collection chamber (4) is arranged on the main body (1), and an air inlet (5) is arranged on the dust collection chamber (4);
the filter screen support (8) is arranged in the dust collection cavity (4), an output shaft (81) is arranged on the filter screen support (8), a filter screen (7) is arranged on the output shaft (81), and the output shaft (81) is suitable for driving the filter screen (7) to rotate under the action of external force.
2. The dirt-and-dust separating apparatus of claim 1, further comprising: and a power device acting on the output shaft (81).
3. The dust-dirt separating device of claim 2, wherein the power device is a pneumatic fan blade (6), and the mounting hole of the output shaft (81) is arranged on the output shaft (81) in a penetrating manner.
4. The dust-dirt separating device of claim 3, characterized in that the pneumatic fan blade (6) is arranged between the filter screen (7) and the wind wheel (3).
5. Dust and dirt separating device according to any one of claims 1-4, characterized in that the axis of the air inlet (5) and the axis of the filter screen (7) are arranged coincident with each other.
6. The dust-dirt separating apparatus according to any one of claims 1-4, wherein an inner cylinder (13) is provided on an inner wall of the main body (1), the filter screen holder (7) is provided on an inner wall of the inner cylinder (13), and a diameter of the filter screen (7) is larger than a diameter of the inner cylinder (13).
7. Dust-dirt separation device according to claim 1, characterized in that the main body (1) comprises:
a first body (11), the vacuum motor (2) being disposed in the first body (11);
a second body (12) detachably connected to the first body (11), the filter net holder (8) being disposed in the second body (12).
8. The dirt-and-dust separating apparatus according to claim 7, characterized in that the first body (11) is provided with a discharge hole (111) in a side wall thereof.
9. The dirt-and-dust separating apparatus according to claim 7, characterized in that a vacuum motor mounting portion (14) is provided on the first body (11).
10. The dirt-and-dust separating apparatus according to claim 7, wherein the vacuum motor mounting portion (14) is a groove provided on an inner wall of the first body (11).
11. Dust and dirt separating device according to claim 1, characterized in that a connecting sleeve (71) is arranged on the side of the filter screen (7) close to the filter screen holder (8), the connecting sleeve (71) being adapted to connect the output shaft (81).
12. A dust and dirt separating apparatus according to any one of claims 1 to 4, characterised in that the filter screen (7) comprises an open area and a non-open area, the open area being provided inside the non-open area.
13. Dust and dirt separating device according to claim 12, characterized in that a number of through holes are provided in the area of the opening, the angle between the longitudinal axis of the through holes and the longitudinal axis of the filter screen (7) increasing in the direction away from the centre of the filter screen (7).
14. The dust-dirt separating apparatus according to claim 1, further comprising a motor filter screen (31) disposed at an end of the wind wheel (3) adjacent to the filter screen bracket (8).
15. The dust and dirt separating device according to claim 1, wherein an opening is formed in the dust collecting cavity (4), the main body (1) is connected with the dust collecting cavity (4) through the opening, and the edge of the filter screen (7) abuts against the inner edge of the opening and is movably connected with the inner edge of the opening.
16. A dust collector is characterized by comprising
The dirt-and-dust separating apparatus of any one of claims 1 to 15;
one end of the dust collection pipe (9) is connected with the air inlet (5) of the dust and dirt separation device;
and the dust collector head (10) is connected to the other end of the dust collection pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011645215.0A CN112656288A (en) | 2020-12-31 | 2020-12-31 | Dirt and dust separating device and dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011645215.0A CN112656288A (en) | 2020-12-31 | 2020-12-31 | Dirt and dust separating device and dust collector |
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| Publication Number | Publication Date |
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| CN112656288A true CN112656288A (en) | 2021-04-16 |
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| CN202011645215.0A Pending CN112656288A (en) | 2020-12-31 | 2020-12-31 | Dirt and dust separating device and dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273923A (en) * | 2021-05-27 | 2021-08-20 | 北京小狗吸尘器集团股份有限公司 | Garbage separator and vacuum cleaner |
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2020
- 2020-12-31 CN CN202011645215.0A patent/CN112656288A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273923A (en) * | 2021-05-27 | 2021-08-20 | 北京小狗吸尘器集团股份有限公司 | Garbage separator and vacuum cleaner |
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