CN209915869U - Dust collecting device and dust collector - Google Patents
Dust collecting device and dust collector Download PDFInfo
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- CN209915869U CN209915869U CN201920470422.3U CN201920470422U CN209915869U CN 209915869 U CN209915869 U CN 209915869U CN 201920470422 U CN201920470422 U CN 201920470422U CN 209915869 U CN209915869 U CN 209915869U
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Abstract
The utility model discloses a dust collecting device and dust catcher relates to dust collecting equipment technical field. The dust collecting device comprises a support and a first dust-gas separating device connected with the support, wherein the first dust-gas separating device comprises a first air inlet cover, airflow enters the inner side of the first air inlet cover from the peripheral surface of the first air inlet cover, and the first air inlet cover is configured to be capable of rotating relative to the support. First air inlet cover can rotate relative to the support among this dust collecting device, and the air current gets into its inboard in-process by the outer peripheral face of first air inlet cover, receives centrifugal force's influence, and impurity such as dust or hair in the air current can't be attached to the surface of first air inlet cover for first air inlet cover can realize self-cleaning, avoids impurity such as dust or hair to block up first air inlet cover, thereby guarantees first dust and gas separator's air inlet volume, reduces the clearance degree of difficulty of first air inlet cover.
Description
Technical Field
The utility model relates to a dust collecting equipment technical field especially relates to a dust collecting device and dust catcher.
Background
A vacuum cleaner is a common household appliance, which uses a motor to drive blades to rotate at a high speed, and generates negative air pressure in a sealed housing, thereby sucking dust. The dust collector has a dust collector, and the airflow is exhausted after being separated from the dust collector and the dust is accumulated inside the dust collector.
However, when the air flow passes through the dust collecting device, dust, hair and the like in the air flow are easily accumulated on the air inlet cover of the dust collecting device to block the air inlet cover, so that the problems of reduced air inlet amount, difficult cleaning and the like of the dust collecting device occur.
Therefore, a dust collecting device and a vacuum cleaner are needed to solve the problems of easy blockage and difficult cleaning of the air inlet cover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust collecting device can prevent that dust or hair etc. from blockking up the air inlet cover.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a dust collecting device, including the support and with the first dirt gas separator of leg joint, first dirt gas separator includes first air inlet cover, and the air current is by the outer peripheral face of first air inlet cover gets into its inboard, first air inlet cover is configured to can be relative the support rotates.
Wherein the first intake shroud is configured to rotate under the impetus of the airflow.
The first dust-gas separation device further comprises an air impeller, the air impeller is rotatably connected with the support, and air flow enters the first air inlet cover and then passes through the air impeller and pushes the air impeller to rotate so as to drive the first air inlet cover to rotate.
Wherein, the impeller with the central axis coincidence of first air inlet cover.
Wherein the dust collecting device comprises a driving component which is configured to drive the first air inlet cover to rotate.
The first dust-gas separation device is provided with a spiral air inlet, and the rotating direction of the spiral air inlet is the same as the rotating direction of the first air inlet cover.
The spiral air inlet comprises a plurality of flow dividing air openings which are arranged along the circumferential direction.
Wherein, dust collecting device still include with leg joint's second dirt gas separator, second dirt gas separator cover is located outside the first dirt gas separator, the air current passes through in proper order the second dirt gas separator with first dirt gas separator.
The first dust-gas separation device is sleeved with a bearing, and the second dust-gas separation device is sleeved outside the bearing.
Another object of the present invention is to provide a vacuum cleaner, which can prevent dust or hair from blocking the air inlet cover.
To achieve the purpose, the utility model adopts the following technical proposal:
a dust collector comprises the dust collecting device.
Has the advantages that: the utility model provides a dust collecting device and dust catcher. First air inlet cover can rotate relative to the support among this dust collecting device, and the air current gets into its inboard in-process by the outer peripheral face of first air inlet cover, receives centrifugal force's influence, and impurity such as dust or hair in the air current can't be attached to the surface of first air inlet cover for first air inlet cover can realize self-cleaning, avoids impurity such as dust or hair to block up first air inlet cover, thereby guarantees first dust and gas separator's air inlet volume, reduces the clearance degree of difficulty of first air inlet cover.
Drawings
Fig. 1 is a front view of a dust collecting device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a dust collecting device provided in embodiment 1 of the present invention;
fig. 3 is a sectional view of the first dust-gas separating device provided in embodiment 1 of the present invention after being assembled with a bracket;
fig. 4 is a sectional view of the first dust-gas separating device provided in embodiment 2 of the present invention after being assembled with a bracket;
fig. 5 is a schematic structural view of a dust collecting device provided in embodiment 3 of the present invention;
fig. 6 is a front view of a dust collecting device according to embodiment 3 of the present invention;
fig. 7 is a sectional view of a dust collecting device according to embodiment 3 of the present invention;
fig. 8 is a schematic structural view of a wind impeller provided in embodiment 3 of the present invention;
fig. 9 is a sectional view of a wind turbine provided in embodiment 3 of the present invention;
fig. 10 is a schematic structural view of a dust collecting device provided in embodiment 4 of the present invention;
fig. 11 is a schematic structural view of the dust collecting device according to embodiment 4 of the present invention after the cover plate is removed;
fig. 12 is a sectional view of the dust collecting device according to embodiment 4 of the present invention with the cover plate removed.
Wherein:
1. a first dirt cup; 11. a spiral air outlet; 2. a first air inlet cover; 3. a wind impeller; 31. a rotating shaft; 32. a flange; 321. a flow-dividing tuyere; 4. a support; 41. supporting ribs; 42. an accommodating chamber; 5. a drive assembly; 51. a motor; 52. a drive shaft; 53. a driving gear; 54. a belt; 55. a driven gear; 6. a second dirt cup; 61. an air inlet; 7. a second air inlet cover; 8. a cover plate; 81. and (7) air outlet.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
Example 1
The embodiment provides a dust collector which comprises a shell, a negative pressure component arranged in the shell and a dust collecting device used for collecting impurities such as dust, hair and the like. The shell is provided with a dust suction port which is communicated with an air inlet of the dust collecting device, and a negative pressure component is arranged between the dust suction port and the dust collecting device. The negative pressure component can comprise a motor and a blade, wherein the motor drives the blade to rotate at a high speed to enable the dust suction port to generate negative pressure, so that air outside the shell is sucked into the dust collecting device. After entering the dust collecting device, the airflow is separated from impurities such as dust, hair and the like, clean air is discharged from an air outlet of the dust collector, and the impurities such as the dust, the hair and the like are accumulated in the dust collecting device, so that the cleaning effect of the dust collector is achieved.
As shown in fig. 1 and 2, the dust collecting apparatus includes a first dust-air separating apparatus including a first dust cup 1 and a first air inlet cover 2. First dirt cup 1 and first air inlet cover 2 all are connected with support 4, and first dirt cup 1 covers and locates outside the first air inlet cover 2. The inlet of the first dust cup 1 is communicated with the dust suction port, and air flow sucked through the dust suction port enters the first dust cup 1 and then enters the first air inlet cover 2 through the peripheral surface of the first air inlet cover 2 and is discharged. Alternatively, the first air inlet cover 2 may have a grid structure, or may have a cover body with a plurality of through holes on the outer peripheral surface. The separation of the air current and impurities such as dust is realized when passing through the first air inlet cover 2, the impurities are blocked outside the first air inlet cover 2, and the filtered air current enters the inner side of the first air inlet cover 2 and is discharged.
Specifically, the first air inlet cover 2 is arranged on the support 4, the support 4 is provided with a central hole, the central hole is overlapped with the central axis of the first air inlet cover 2, and air flow entering the first air inlet cover 2 is discharged through the central hole. Alternatively, the holder 4 may be of an integral structure with the first dirt cup 1, which may simplify the structure of the dust collecting apparatus.
In the prior art, the first air inlet cover 2 is fixed, and when air flow passes through the first air inlet cover 2, dust, hair and other impurities are easily accumulated on the outer surface of the first air inlet cover 2, so that the first air inlet cover 2 is blocked, and the problems of air inlet amount reduction, difficult cleaning and the like of a dust collecting device are caused.
For solving the above problem, dust collecting device during operation in this embodiment, first air inlet cover 2 can rotate 1 dust cup relatively for the air current through first air inlet cover 2 separates impurity such as dust and hair in it under the effect of centrifugal force, impurity such as dust or hair can't adhere to the surface at first air inlet cover 2, make first air inlet cover 2 can realize self-cleaning, avoid impurity such as dust or hair to block up first air inlet cover 2, thereby guarantee first dust and gas separating device's intake, reduce the clearance degree of difficulty of first air inlet cover 2.
In this embodiment, the first air inlet cover 2 can rotate under the pushing of the air flow, so as to reduce the energy consumption of the dust collecting device. As shown in fig. 3, the first dust-gas separating device further includes an air impeller 3, the air impeller 3 can be disposed in the central hole of the bracket 4, and a rotating shaft 31 of the air impeller 3 is connected to the first air inlet cover 2. After the air flow enters the first air inlet cover 2 through the outer peripheral surface thereof, the air flow passes through the central hole of the bracket 4, and the air flow acts on the surface of the air impeller 3, so that the air impeller 3 is pushed to rotate, and the first air inlet cover 2 is driven to rotate.
Alternatively, in order to reduce the influence of the rotating shaft 31 on the flow rate of the air entering the central hole in the first air inlet cover 2, the rotating shaft 31 is connected to the end of the first air inlet cover 2 away from the bracket 4.
In order to fix the wind impeller 3, the side wall of the central hole of the bracket 4 can extend inwards to form a support rib 41, one end of the rotating shaft 31 of the wind impeller 3 is connected with the support rib 41 through a bearing, and the bearing can reduce the friction force applied when the wind impeller 3 rotates, so that the wind impeller 3 can rotate under the action of air flow; the other end of the rotating shaft 31 of the wind impeller 3 is connected with the first wind inlet cover 2 so as to drive the first wind inlet cover 2 to rotate. The first air inlet cover 2 is supported and fixed through the rotating shaft 31, and the acting force between the first air inlet cover 2 and the support 4 can be reduced, so that the friction force between the first air inlet cover 2 and the support 4 is reduced.
Optionally, the first air inlet cover 2, the central hole of the bracket 4 and the air impeller 3 can be coaxially arranged, so that the centrifugal force on the outer peripheral surface of the first air inlet cover 2 is uniformly distributed, the improvement of the self-cleaning uniformity is facilitated, meanwhile, the circumferential air inlet amount of the first air inlet cover 2 is uniform, and the interference of the eccentric rotation of the first air inlet cover 2 on the air flow is reduced.
After the air flows through the first air inlet cover 2, a spiral air flow with a certain rotation direction is formed, and in order to enable the air flow entering the first dust cup 1 to be smoothly discharged from the outlet of the first dust cup 1, the outlet on the first dust cup 1 can be a spiral air outlet 11. Optionally, the rotation direction of the first air inlet cover 2 is the same as the rotation direction of the spiral air outlet 11, that is, the rotation direction of the spiral air outlet 11 is the same as the rotation direction of the air impeller 3, so that the rotation direction of the spiral air flow is the same as the rotation direction of the first air inlet cover 2, and the spiral air flow passing through the first air inlet cover 2 can be smoothly discharged through the spiral air outlet 11.
Example 2
This embodiment provides a vacuum cleaner which is substantially the same in structure as embodiment 1, except that the first air inlet cover 2 is driven to rotate by a driving assembly.
Specifically, as shown in fig. 4, the driving assembly may include a motor 51 and a transmission shaft 52, the motor 51 may be disposed on the support rib 41 in the central hole of the bracket 4, an output end of the motor 51 is connected to the transmission shaft 52, and the transmission shaft 52 is connected to the first air inlet cover 2. When the dust collecting device works, the motor 51 is started, and the first air inlet cover 2 is driven to rotate through the transmission shaft 52, so that the first air inlet cover 2 is prevented from being blocked by impurities such as dust, and the air inlet amount of the first dust-air separating device is ensured.
Alternatively, the motor 51 may be a speed-adjustable motor, so that the rotating speed of the first air inlet cover 2 can be adjusted according to the amount of impurities such as dust, the wind speed gear of the dust collector, and the like.
Example 3
This embodiment provides a dust catcher, and it is roughly the same in its structure and embodiment 1, the difference is that this dust collecting device is second grade air inlet structure, filters through twice air inlet, can make impurity separation such as dust more thorough, reaches better dust removal effect.
Specifically, the dust collecting device further comprises a second dust-gas separating device, the second dust-gas separating device is sleeved outside the first dust-gas separating device, air flow entering from the dust suction port sequentially passes through the second dust-gas separating device and the first dust-gas separating device, filtered air is discharged, and dust is accumulated in the dust collecting device. Optionally, the second dust-gas separation device may be arranged coaxially with the first dust-gas separation device, facilitating uniform filtration of the gas flow.
As shown in fig. 5 and 6, the dust collecting device further includes a cover plate 8, the cover plate 8 is provided with an air outlet 81, the cover plate 8 is disposed on one side of the bracket 4, and the air outlet 81 is opposite to the central hole of the bracket 4. The first dust-gas separating device and the second dust-gas separating device are arranged on one side of the support 4 opposite to the cover plate 8, and air flow passing through the second dust-gas separating device and the second dust-gas separating device is discharged through the central hole and the air outlet 81 in sequence.
In order to filter impurities such as dust more thoroughly, the filtering grade of the first dust-gas separating device can be higher than that of the second dust-gas separating device, the airflow filters dust with larger particles through the second dust-gas separating device, and the dust with smaller particles is filtered through the first dust-gas separating device. Specifically, as shown in fig. 7, the second dust-gas separating device includes a second dust cup 6 and a second air inlet cover 7 located inside the second dust cup 6. The second air inlet cover 7 may be a grille structure or a cover body having a plurality of through holes on the outer peripheral surface. The aperture of the grid gaps or the through holes on the second air inlet cover 7 is larger than that of the grid gaps or the through holes on the first air inlet cover 2, so that impurities such as finer dust and the like are filtered by the first air inlet cover 2.
Optionally, an air inlet 61 is disposed on the circumferential surface of the second dust cup 6, the second air inlet cover 7 and the second dust cup 6 are connected to the bracket 4, and the first dust cup 1 is connected to the second air inlet cover 7. The rotating shaft 31 of the wind impeller 3 can be a hollow structure, one end of the rotating shaft 31 is connected with the first wind inlet cover 2, the other end of the rotating shaft 31 penetrates through the central hole of the support 4 and then is communicated with the wind outlet 81, and the rotating shaft 31 and the support 4 can rotate relatively. The wind impeller 3 is arranged in the rotating shaft 31, and the airflow pushes the wind impeller 3 to rotate through the rotating shaft 31, so that the first wind inlet cover 2 is driven to rotate through the rotating shaft 31.
In order to reduce the friction force applied to the rotating shaft 31 during rotation, bearings are arranged between the rotating shaft 31 and the cover plate 8 and between the rotating shaft 31 and the second air inlet cover 7.
In order to make the airflow entering the first dust cup 1 uniformly pass through the outer peripheral surface of the first air inlet cover 2, as shown in fig. 8 and 9, an annular flange 32 is disposed at one end of the rotating shaft 31 close to the first dust cup 1, the flange 32 extends into the first dust cup 1 and can rotate relative to the first dust cup 1, a plurality of branch air ports 321 are circumferentially disposed on the flange 32, and the airflow entering the first dust cup 1 is divided by the plurality of branch air ports 321, so that the airflow distribution on the outer peripheral surface of the first air inlet cover 2 is uniform. Alternatively, the plurality of divided air ports 321 may be spirally distributed, and the spiral direction is the same as the rotation direction of the wind impeller 3, so that the air flow smoothly passes through the first air inlet cover 2.
In order to avoid the dust falling on the bottom of the second dust cup 6 from being lifted up under the driving of the air flow, the bottom of the second air inlet cover 7 can be in a conical shape which is expanded outwards, so that the influence of the air flow between the second dust cup 6 and the second air inlet cover 7 on the dust at the bottom is reduced, and the dust at the bottom can be prevented from being lifted up.
In order to increase the air inlet amount between the first dust cup 1 and the first air inlet cover 2, the first dust cup 1 may be an inverted cone with a gradually decreasing cross-sectional area from top to bottom, so as to enlarge the space between the air inlet 61 of the first dust cup 1 and the first air inlet cover 2, and further increase the air inlet amount.
Example 4
As shown in fig. 10 and 11, this embodiment provides a vacuum cleaner having substantially the same structure as that of embodiment 3, except that the first wind inlet cover 2 is rotated by the driving unit 5.
The bracket 4 is provided with a driving component 5, and the driving component 5 replaces the wind impeller 3 in the rotating shaft 31 to realize the rotation of the first wind inlet cover 2. Optionally, the support 4 is provided with a containing cavity 42, the driving assembly 5 is arranged in the containing cavity 42, and the cover plate 8 is connected with the support 4 and then shields the opening of the containing cavity 42, so that the driving assembly 5 is prevented from being exposed, and the driving assembly 5 is protected.
As shown in fig. 12, the driving assembly 5 may include a motor 51, a driving gear 53, a belt 54, and a driven gear 55. The output end of the motor 51 is in transmission connection with the driving gear 53, the driven gear 55 is sleeved outside the rotating shaft 31, and the belt 54 is connected with the driving gear 53 and the driven gear 55. After the motor 51 is started, power is transmitted through the driving gear 53, the belt 54 and the driven gear 55 in sequence, so that the rotating shaft 31 is driven to rotate, and the first air inlet cover 2 is rotated.
In other embodiments, the driving assembly 5 may have other structures, and only needs to be able to drive the first air inlet cover 2 to rotate.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a dust collecting device, including support (4) and with the first dirt gas separator that support (4) are connected, its characterized in that, first dirt gas separator includes first air inlet cover (2), and the air current is by the outer peripheral face entering of first air inlet cover (2) is its inboard, first air inlet cover (2) are configured as can relatively support (4) rotate.
2. A dust collecting device according to claim 1, characterized in that the first air inlet cover (2) is configured to rotate under the push of the air flow.
3. The dust collecting device according to claim 2, wherein the first dust-gas separating device further comprises an air impeller (3), the air impeller (3) is rotatably connected with the bracket (4), and the air flow enters the first air inlet cover (2), passes through the air impeller (3) and pushes the air impeller (3) to rotate so as to drive the first air inlet cover (2) to rotate.
4. A dust collecting device according to claim 3, characterized in that the fan wheel (3) coincides with the centre axis of the first fan housing (2).
5. The dust collecting device according to claim 1, characterized in that the dust collecting device comprises a drive assembly (5), the drive assembly (5) being configured to drive the first air intake hood (2) in rotation.
6. A dust collecting device according to any of the claims 1-5, characterized in that the first dust-gas separating device is provided with a spiral inlet (11), the spiral inlet (11) having the same direction of rotation as the first inlet hood (2).
7. The dust collecting apparatus as claimed in claim 6, wherein the spiral air inlet (11) includes a plurality of divided air openings (321) arranged in a circumferential direction.
8. The dust collecting device according to any one of claims 1 to 5, further comprising a second dust-gas separating device connected to the support (4), wherein the second dust-gas separating device is sleeved outside the first dust-gas separating device, and the air flow passes through the second dust-gas separating device and the first dust-gas separating device in sequence.
9. The dust collecting apparatus of claim 8, wherein the first dust-gas separating device is sleeved with a bearing, and the second dust-gas separating device is sleeved outside the bearing.
10. A vacuum cleaner, comprising a dust collecting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470422.3U CN209915869U (en) | 2019-04-09 | 2019-04-09 | Dust collecting device and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470422.3U CN209915869U (en) | 2019-04-09 | 2019-04-09 | Dust collecting device and dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209915869U true CN209915869U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920470422.3U Active CN209915869U (en) | 2019-04-09 | 2019-04-09 | Dust collecting device and dust collector |
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| Country | Link |
|---|---|
| CN (1) | CN209915869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805837A (en) * | 2019-04-09 | 2019-05-28 | 莱克电气股份有限公司 | A kind of dust collect plant and dust catcher |
-
2019
- 2019-04-09 CN CN201920470422.3U patent/CN209915869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805837A (en) * | 2019-04-09 | 2019-05-28 | 莱克电气股份有限公司 | A kind of dust collect plant and dust catcher |
| CN109805837B (en) * | 2019-04-09 | 2024-05-24 | 莱克电气股份有限公司 | Dust collecting device and dust collector |
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