CN212394793U - External air duct structure of dust collector - Google Patents
External air duct structure of dust collector Download PDFInfo
- Publication number
- CN212394793U CN212394793U CN202020645337.9U CN202020645337U CN212394793U CN 212394793 U CN212394793 U CN 212394793U CN 202020645337 U CN202020645337 U CN 202020645337U CN 212394793 U CN212394793 U CN 212394793U
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- China
- Prior art keywords
- pipe portion
- air
- dirt cup
- filtering
- supply line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Filters For Electric Vacuum Cleaners (AREA)
Abstract
The utility model provides an external wind channel structure of dust catcher, include: organism and dirt cup, the inside of organism is provided with the air-supply line, the structure of air-supply line is L shape, the air-supply line includes the second pipe portion with the first pipe portion of dirt cup parallel arrangement and perpendicular to dirt cup axis, circular arc transition between first pipe portion and the second pipe portion, the tip fixed mounting of first pipe portion is on pipe interface support, the tip of second pipe portion is provided with the air outlet, be provided with the opening that corresponds the air outlet on the dirt cup, the air outlet supports on the lateral wall of filter component in the dirt cup. The utility model provides a pair of external wind channel structure of dust catcher, external air-supply line cooperation filtering component enter into the air current of dirt cup with higher speed, improve the filter capacity of dust catcher, improve the life of HEPA consumptive material.
Description
Technical Field
The utility model relates to a dust catcher particularly, relates to an external wind channel structure of dust catcher.
Background
A vacuum cleaner is a cleaning tool with wide application. The working principle of the dust collector is that a motor is used for driving blades to rotate at a high speed, air negative pressure is generated in a sealed shell, and dust is sucked. Common vacuum cleaners are horizontal type, vertical type, handheld type and the like. The handheld dust collector is widely applied due to small size and convenient carrying and use.
The handheld vacuum cleaner is limited by the volume, and compared with other types of vacuum cleaners, the handheld vacuum cleaner has the defects of low power and insufficient suction, so that the dust filtering effect is poor, and the service life of a HEPA material is shortened.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an external wind channel structure of dust catcher, external air-supply line cooperation filtering component for the air current that gets into in the dirt cup takes place to rotate with higher speed, has improved the separation effect of air and dust, and because support on filtering component's filter screen between the gas outlet of air-supply line, has improved filtering component's filter effect greatly.
Therefore, the utility model provides an external wind channel structure of dust catcher, include: organism and dirt cup, the inside of organism is provided with the air-supply line, the structure of air-supply line is L shape, the air-supply line includes the second pipe portion with the first pipe portion of dirt cup parallel arrangement and perpendicular to dirt cup axis, circular arc transition between first pipe portion and the second pipe portion, the tip fixed mounting of first pipe portion is on pipe interface support, the tip of second pipe portion is provided with the air outlet, be provided with the opening that corresponds the air outlet on the dirt cup, the air outlet supports on the lateral wall of filter component in the dirt cup.
Furthermore, the filtering component comprises a primary filtering net device, a secondary filtering cone, a filtering upper cover and a HEPA component, the secondary filtering cone and the primary filtering net device are sequentially sleeved on the filtering upper cover from inside to outside, and the HEPA component is clamped in the filtering upper cover.
Furthermore, two baffles which are arranged in parallel along the axial direction of the dust cup are arranged on the primary filter screen device, and the distance between the two baffles is greater than the length of the air outlet.
Furthermore, an end face sealing ring is arranged between the air inlet pipe and the duct interface bracket.
Furthermore, two guide grooves which are arranged along the axial direction of the catheter port support are arranged on the inner wall of the catheter port support, and the two guide grooves are symmetrically arranged relative to the axis of the catheter port support.
Further, the length of the guide slot is equal to the length of the catheter hub bracket.
The utility model provides a pair of external wind channel structure of dust catcher, the direction of motion of air current is: airflow with dust enters the air inlet pipe from the duct interface bracket, the airflow moving along the axial direction of the dust cup in the first pipe part of the air inlet pipe is converted into airflow moving perpendicular to the axis of the dust cup after entering the second pipe part, the airflow enters the dust cup from the air outlet through the opening on the dust cup, the baffle plate on the first-stage filter screen device limits the airflow entering the dust cup not to escape to other areas of the dust cup, the airflow rotates along the first-stage filter screen device, enters the second-stage filter cone from the metal filter screen on the first-stage filter screen device, further separates dust in the second-stage filter cone, then enters the HEPA component through the upper filter cover, and finally flows out of the HEPA component. Therefore, the external air inlet pipe enables the air flow to directly rotate around the filtering component after entering the dust cup, the filtering effect of the filtering component is greatly improved, and the service life of the HEPA component is prolonged.
The utility model provides a pair of external wind channel structure of dust catcher, external air-supply line cooperation filtering component enter into the air current of dirt cup with higher speed, improve the filter capacity of dust catcher, improve the life of HEPA consumptive material.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a structural exploded view of an external air duct structure of a vacuum cleaner according to an embodiment of the present invention;
fig. 2 is a sectional view of an external air duct structure of a vacuum cleaner according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an air inlet pipe in an external air duct structure of a vacuum cleaner according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a duct interface bracket in an external air duct structure of a vacuum cleaner according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 4, an external air duct structure of a vacuum cleaner according to an embodiment of the present invention is shown in the drawings, including: organism 1 and dirt cup 2, the inside of organism 1 is provided with air-supply line 3, air-supply line 3's structure is L shape, air-supply line 3 includes the second pipe portion with the 2 axis of the first pipe portion of dirt cup 2 parallel arrangement and perpendicular to dirt cup, circular arc transition between first pipe portion and the second pipe portion, the tip fixed mounting of first pipe portion is on pipe interface support 4, the tip of second pipe portion is provided with air outlet 31, be provided with the opening that corresponds air outlet 31 on the dirt cup 2, air outlet 31 supports on the lateral wall of filter component 5 in dirt cup 2.
Specifically, referring to fig. 1 to 4, the filtering component 5 includes a first-stage filtering cone 51, a second-stage filtering cone 52, a filtering upper cover 53 and a hepa component 54, the second-stage filtering cone 52 and the first-stage filtering cone 51 are sequentially sleeved on the filtering upper cover 53 from inside to outside, and the hepa component 54 is clamped in the filtering upper cover 53.
Specifically, referring to fig. 1 to 4, the primary filter screen device 51 is provided with two baffles 511 arranged in parallel along the axial direction of the dirt cup 2, and the distance between the two baffles 511 is greater than the length of the air outlet 31.
The utility model provides a pair of external wind channel structure of dust catcher, the direction of motion of air current is: airflow with dust enters the air inlet pipe from the duct interface bracket, the airflow moving along the axial direction of the dust cup in the first pipe part of the air inlet pipe is converted into airflow moving perpendicular to the axis of the dust cup after entering the second pipe part, the airflow enters the dust cup from the air outlet through the opening on the dust cup, the baffle plate on the first-stage filter screen device limits the airflow entering the dust cup not to escape to other areas of the dust cup, the airflow rotates along the first-stage filter screen device, enters the second-stage filter cone from the metal filter screen on the first-stage filter screen device, further separates dust in the second-stage filter cone, then enters the HEPA component through the upper filter cover, and finally flows out of the HEPA component. Therefore, the external air inlet pipe enables the air flow to directly rotate around the filtering component after entering the dust cup, the filtering effect of the filtering component is greatly improved, and the service life of the HEPA component is prolonged.
The utility model provides a pair of external wind channel structure of dust catcher, external air-supply line cooperation filtering component enter into the air current of dirt cup with higher speed, improve the filter capacity of dust catcher, improve the life of HEPA consumptive material.
Example two:
referring to fig. 1 to 4, an external air duct structure of a vacuum cleaner according to a second embodiment of the present invention is shown in the drawings, and on the basis of the above embodiments, the present embodiment further provides the following technical solutions as improvements: an end face seal ring 6 is arranged between the air inlet pipe 3 and the duct interface bracket 4.
In order to ensure the sealing performance of the dust collector during air inlet and avoid the loss of suction force of the dust collector, an end face sealing ring is arranged between the air inlet pipe and the duct interface bracket.
Example three:
referring to fig. 1 to 4, an external air duct structure of a vacuum cleaner according to a third embodiment of the present invention is shown in the drawings, and on the basis of the above embodiments, the present embodiment further provides the following technical solutions as improvements: two guide grooves 41 which are arranged along the axial direction of the catheter port support 4 are arranged on the inner wall of the catheter port support 4, and the two guide grooves 41 are symmetrically arranged relative to the axis of the catheter port support 4; the length of the channel 41 is equal to the length of the catheter hub bracket 4.
The catheter interface bracket is used for connecting a catheter, and the connecting part on the catheter can be clamped into the guide groove on the catheter interface bracket, so that the installation position of the catheter is limited. And the length of the guide groove is equal to that of the duct interface bracket, so that airflow flowing out of the duct directly enters the air inlet pipe, and the suction force of the dust collector is prevented from being influenced by the loss of airflow power.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. An external air duct structure of a dust collector is characterized by comprising: organism (1) and dirt cup (2), the inside of organism (1) is provided with air-supply line (3), the structure of air-supply line (3) is L shape, air-supply line (3) include with dirt cup (2) parallel arrangement's first pipe portion and perpendicular to the second pipe portion of dirt cup (2) axis, first pipe portion with circular arc transition between the second pipe portion, the tip fixed mounting of first pipe portion is on pipe interface support (4), the tip of second pipe portion is provided with air outlet (31), be provided with on dirt cup (2) and correspond the opening of air outlet (31), air outlet (31) are supported on the lateral wall of filter component (5) in dirt cup (2).
2. The external air duct structure of the vacuum cleaner as claimed in claim 1, wherein the filtering assembly (5) comprises a primary filtering device (51), a secondary filtering cone (52), a filtering upper cover (53) and a HEPA assembly (54), the secondary filtering cone (52) and the primary filtering device (51) are sequentially sleeved on the filtering upper cover (53) from inside to outside, and the HEPA assembly (54) is clamped in the filtering upper cover (53).
3. The external air duct structure of a vacuum cleaner as claimed in claim 2, wherein the primary filter screen device (51) is provided with two baffles (511) arranged in parallel along the axial direction of the dust cup (2), and the distance between the two baffles (511) is greater than the length of the air outlet (31).
4. The external air duct structure of a vacuum cleaner as claimed in claim 1, wherein an end sealing ring (6) is disposed between the air inlet pipe (3) and the duct interface bracket (4).
5. The external air duct structure of a vacuum cleaner as claimed in claim 1, wherein the inner wall of the duct interface bracket (4) is provided with two guide grooves (41) arranged along the axial direction of the duct interface bracket (4), and the two guide grooves (41) are arranged symmetrically with respect to the axis of the duct interface bracket (4).
6. The external air duct structure of a vacuum cleaner as claimed in claim 5, wherein the length of the guide groove (41) is equal to the length of the duct interface bracket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020645337.9U CN212394793U (en) | 2020-04-24 | 2020-04-24 | External air duct structure of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020645337.9U CN212394793U (en) | 2020-04-24 | 2020-04-24 | External air duct structure of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212394793U true CN212394793U (en) | 2021-01-26 |
Family
ID=74299308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020645337.9U Expired - Fee Related CN212394793U (en) | 2020-04-24 | 2020-04-24 | External air duct structure of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212394793U (en) |
-
2020
- 2020-04-24 CN CN202020645337.9U patent/CN212394793U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |