CN111184468A - A handheld vacuum cleaner - Google Patents
A handheld vacuum cleaner Download PDFInfo
- Publication number
- CN111184468A CN111184468A CN202010112218.1A CN202010112218A CN111184468A CN 111184468 A CN111184468 A CN 111184468A CN 202010112218 A CN202010112218 A CN 202010112218A CN 111184468 A CN111184468 A CN 111184468A
- Authority
- CN
- China
- Prior art keywords
- dust cup
- vacuum cleaner
- bottom cover
- dust
- support portion
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims abstract description 119
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/24—Hand-supported suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
本发明提供了一种手持式吸尘器，包括机体(1)和尘杯(2)，所述尘杯位于机体前侧，所述尘杯前端设有进风口(21)，所述尘杯设有出风口(23)，所述机体内部设有电机(7)，所述机体后侧设有把手(3)，机体下方设有座体(4)，所述把手位于所述机体和座体之间，所述机体朝向尘杯一侧延伸形成支撑部(5)，所述尘杯至少部分位于所述支撑部上侧，所述尘杯可拆卸的连接在支撑部上，所述尘杯前侧设有底盖(26)，所述底盖横向于尘杯轴线设置且形成至少部分所述尘杯，所述底盖可相对于支撑部(5)由前向后旋转打开，本发明方便拆卸和清理，吸力损耗小，尘杯储尘量大，且用户体验好。
The invention provides a hand-held vacuum cleaner, comprising a body (1) and a dust cup (2), the dust cup is located on the front side of the body, the front end of the dust cup is provided with an air inlet (21), and the dust cup is provided with An air outlet (23), a motor (7) is arranged inside the body, a handle (3) is arranged on the rear side of the body, and a seat (4) is arranged below the body, and the handle is located between the body and the seat. During the time, the body extends toward the side of the dust cup to form a support part (5), the dust cup is at least partially located on the upper side of the support part, the dust cup is detachably connected to the support part, and the dust cup is in front of the dust cup. A bottom cover (26) is provided on the side, the bottom cover is arranged transversely to the axis of the dust cup and forms at least part of the dust cup, and the bottom cover can be rotated and opened from front to back relative to the support portion (5), the present invention is convenient Disassembly and cleaning, the suction loss is small, the dust cup has a large dust storage capacity, and the user experience is good.
Description
Technical Field
The invention relates to a dust collector, in particular to a direct-current charging type handheld dust collector.
Background
The handheld dust collector is popular in the market due to the convenience in use, and along with the gradual maturity of products, the use requirement and the user experience requirement of a user are continuously improved. At present, several core factors of a dust collector influencing user experience are as follows: firstly, dust pouring of the dust cup and cleaning of a filter in the dust cup, secondly, capacity of the dust cup and thirdly, size of suction are difficult to solve simultaneously, for example, the handheld device disclosed in patent CN109984669A, because the air inlet duct of the dust cup is consistent with the air inlet direction of a motor, damage of air flow suction is reduced, but the dust cup cannot be taken down from a machine body for cleaning, internal dirt accumulation is easily caused after long-time use, and the problems of mesh and filter blockage are influenced, in addition, the dust bucket bottom cover is opened for dust pouring when a metal filter screen is cleaned by scraping strips by moving the dust cup, so that dust is easily raised in the dust pouring process, secondary pollution is generated, and use experience of users is influenced, moreover, the structure is very complex, the manufacturability and the manufacturing cost are high, for example, the handheld dust collector device disclosed in patent 201821824234.8 bypasses the dust cup from the upper part of the dust cup to enter the dust cup and the motor, the suction loss is caused, the suction is difficult to be increased, the air duct occupies a large amount of space of the dust cup, and the capacity of the dust cup is difficult to be increased under the condition of the same size of the dust collector.
Disclosure of Invention
The invention aims to solve the technical problem of providing a handheld dust collector which is convenient to disassemble and clean, small in suction loss, large in dust storage capacity of a dust cup and good in user experience, aiming at the defects of the prior art.
The technical problem to be solved by the invention is realized by the following technical scheme:
the utility model provides a hand-held type dust catcher, includes organism and dirt cup, the dirt cup is located the organism front side, dirt cup front end is equipped with the air intake, the inside air outlet that is equipped with of dirt cup, the inside motor that is equipped with of organism, the organism rear side is equipped with the handle, and the organism below is equipped with the pedestal that is used for supporting the machine, the handle is located between organism and the pedestal, the organism extends towards dirt cup one side and forms the supporting part, dirt cup at least part is located the supporting part upside, dirt cup detachable connects on the supporting part, dirt cup front side is equipped with the bottom, the bottom is horizontal to the setting of dirt cup axis and forms at least part the dirt cup, the bottom can be opened by preceding rotation back for the supporting part.
Furthermore, a buckle is arranged on the outer wall of the dust cup, a positioning pin is arranged in the supporting part, the positioning pin abuts against the inside of the supporting part through a spring and is clamped with the buckle, and the rear end of the positioning pin extends to form a release part; the periphery of the machine body is provided with at least one positioning bulge, the inner side of the dust cup is correspondingly provided with a positioning concave part, and the dust cup is rotationally clamped on the machine body through the positioning bulge and the positioning concave part.
Further, the release portion is located between the handle and the support post.
Furthermore, a release push rod is arranged at the bottom of the bottom cover and movably connected to the bottom cover, a push button for driving the release push rod is arranged on the supporting portion, a clamping hook is arranged at the front end of the dust cup, and a clamping end corresponding to the clamping hook is arranged at the front end of the release push rod.
Furthermore, a conductive port is arranged at the front end of the dust cup, at least one conductive wire accommodating groove is formed in the outer side wall of the dust cup, a conductive sheet is arranged on the outer side wall of the dust cup, a conductive wire is accommodated in the conductive wire accommodating groove, two ends of the conductive wire are respectively connected with the conductive port and the conductive sheet, a sealing cover is arranged on the outer side of the conductive wire accommodating groove, a conductive electrode corresponding to the conductive sheet is arranged on the supporting part, and after the dust cup is fixedly connected with the machine body, the conductive sheet and the conductive electrode are electrically connected.
Furthermore, the wire containing grooves comprise 2 wire containing grooves which are respectively arranged at two sides of the dust cup, and the conductive containing grooves extend along the upper edge of the bottom cover.
Further, the opening angle of the bottom cover under the action of the release push rod and the push button is 0-90 degrees.
Furthermore, the air inlet and the air outlet are arranged in parallel with the axis of the motor.
Furthermore, the inside of the seat body can be selectively provided with dust suction accessories of the dust collector or a power supply device of the dust collector.
Furthermore, a supporting column is arranged on the lower side of the supporting part and extends to the seat body from the lower part of the supporting part.
The invention is convenient to disassemble and clean, the air channel design in the dust cup further reduces the suction loss, improves the cleaning efficiency, and simultaneously has prominent substantive characteristics and remarkable progress compared with the similar product that the capacity of the dust cup is increased because of reducing the routing structures of the air channel and the conducting wire.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is an exploded view of the body of the embodiment of the present invention;
FIG. 4 is an exploded view of a dirt cup according to an embodiment of the present invention;
FIG. 5 is a partial enlarged view of the body according to the embodiment of the present invention;
FIG. 6 is a cross-sectional view of an embodiment of the present invention;
FIG. 7 is a bottom lid open view according to an embodiment of the present invention.
Wherein:
1. a body; 11. positioning the projection; 100. a conductive electrode; 101. a spring; 102. a conductive electrode support; 111. an air outlet of the machine body; 110. a motor front cover; 120. a decorative ring; 2. a dust cup; 21. an air inlet; 23. an air outlet; 24. buckling; 25. a positioning recess; 26. a bottom cover; 261. releasing the push rod; 2611. a clamping end; 27. a conductive port; 270. a conductive sheet; 28. a wire accommodating groove; 280. a sealing cover; 29. a hook; 200. a cyclone filter; 210. a handle; 220. a seal ring; 230. a filter; 240. the bottom cover is buckled; 260. a bottom cover rotating shaft; 262. a spring; 263. a seal ring; 3. a handle; 4. a base body; 41. the seat body is arranged; 42. a seat body is arranged below the base; 43. a dust collection accessory; 5. a support portion; 52. positioning pins; 521. a spring; 522. a releasing section; 53. a push button; 531. a spring; 58. a support body; 59. a support cover; 590. a support cover recess; 6. a support pillar; 7. a motor; 8. a power supply device; 10. the power supply unit releases the button.
Detailed Description
As shown in fig. 1-2, the present invention provides a handheld vacuum cleaner, which includes a machine body 1 and a dust cup 2, the dust cup 2 is located at the front side of the machine body, an air inlet 21 is arranged at the front end of the dust cup 2, the dust cup 2 is provided with an air outlet 23, a motor 7 is arranged inside the machine body 1, a handle 3 is arranged at the rear side of the machine body 1, a seat body 4 is arranged below the machine body 1, the handle 3 is located between the machine body 1 and the seat body 4, the machine body 1 extends towards one side of the dust cup 2 to form a support portion 5, at least part of the dust cup 2 is located at the upper side of the support portion 5, the dust cup 2 is detachably connected to the support portion 5, a bottom cover 26 is arranged at the front side of the dust cup 2, the bottom cover 26 is arranged.
As shown in fig. 3-5, the outer wall of the dust cup is provided with a buckle 24, and the supporting portion 5 comprises a supporting body 58 and a supporting cover 59 for supporting the main function; the supporting cover 59 is provided with a supporting cover recess 590, the supporting portion 5 is provided with a positioning pin 52 therein, the positioning pin 52 is supported inside the supporting portion 5 by a spring 521, when the dust cup 2 is connected to the machine body 1, the buckle 24 is inserted into the supporting cover recess 590 to be clamped with the positioning pin 52, so that the dust cup 2 is supported on the supporting portion 5 in an inseparable manner, and the rotation of the dust cup in the axial direction is realized, and the rear end of the positioning pin 52 extends to form a release portion 522, as shown in fig. 5.
The periphery of the machine body 1 is provided with at least one positioning protrusion 11, the inner side of the dust cup 2 is correspondingly provided with a positioning concave part 25, the opening part of the dust cup 2 faces the machine body 1, the positioning concave part 25 is inserted and rotated by an angle through the positioning protrusion 11, and the dust cup 2 is clamped on the machine body 1.
The releasing portion 522 is used for releasing the dust cup 2 from the machine body 1, namely, the function of detaching the dust cup is realized, and the releasing portion 522 is positioned between the handle 3 and the supporting column 6, so that the releasing portion 522 can be operated by one hand when the dust collector is held conveniently. When the releasing part 522 is pulled backwards, the compression spring 521 and the positioning pin 52 exit from the outer wall buckle 24 of the dust cup, at this time, the dust cup 2 is no longer clamped on the supporting part 5, the dust cup 2 can rotate in the axial direction by a certain angle (the angle is determined by the number of pairs and the size of the positioning protrusion and the positioning recess, in this embodiment, the angle is 10-20 degrees), the positioning protrusion 11 is disengaged from the positioning recess 25 when the dust cup rotates, the dust cup 2 is no longer clamped on the machine body 1, and at this time, the dust cup 2 can be smoothly detached from the machine body 1.
The bottom cover 26 is arranged transversely to the axial direction of the dust cup and forms at least part of the dust cup 2, the bottom of the bottom cover 26 is provided with a release push rod 261, the release push rod 261 can move on the bottom cover 26 through a spring 262, the bottom cover 26 is provided with a bottom cover rotating shaft 260, the outer wall of the dust cup 2 is provided with a bottom cover buckle 240, and the bottom cover 26 can be opened through rotating the bottom cover rotating shaft 260 and the bottom cover buckle 240 from front to back relative to the supporting part 5; the supporting portion 5 is provided with a push button 53 for driving the release push rod 261, the front end of the dust cup 2 is provided with a hook 29, and the front end of the release push rod 261 is provided with a clamping end 2611 corresponding to the hook 29. When the bottom cover 26 is engaged with the dust cup 2, the engaging end 2611 is engaged with the hook 29, and in the present embodiment, a seal ring 263 is provided on the bottom cover 26 in order to ensure the seal between the bottom cover 26 and the dust cup 2, as shown in fig. 4.
The front end of the dust cup 2 is provided with a conductive port 27 for connecting an electric dust suction accessory of the dust collector, such as an electric floor brush, an electric bed brush and the like of the dust collector. At least one conducting wire accommodating groove 28 is formed on the outer side wall of the dust cup 2, a conducting strip 270 is arranged on the outer side wall of the dust cup, a conducting wire (not shown in the figure) is accommodated in the conducting wire accommodating groove 28, two ends of the conducting wire are respectively connected with the conducting port 27 and the conducting strip 270, a sealing cover 280 is arranged on the outer side of the conducting wire accommodating groove 28, a conducting electrode 100 corresponding to the conducting strip 270 is arranged on the supporting part 5, and after the dust cup 2 is fixedly connected with the machine body 1, the conducting strip 270. In the present embodiment, the number of the wire accommodating grooves 28 is 2, and the wire accommodating grooves 28 are respectively disposed at two sides of the dust cup 2, and the conductive accommodating grooves 28 extend along the upper edge of the bottom cover 26.
In this embodiment, when the vacuum cleaner is turned on, the dust-containing airflow enters the dust cup 2 from the air inlet 21, is filtered by the cyclone filter 200 and then flows out from the air outlet 23, the filter 230 for further filtering is disposed at the air outlet 23 of the dust cup 2, and the clean airflow enters the motor 7 and is discharged from the air outlet 111 of the vacuum cleaner. The air inlet 21 and the air outlet 23 are arranged parallel to the axis of the motor, which helps to reduce the pressure loss of the air flow and improve the suction force of the dust collector, as shown in fig. 4 and 5.
Preferably, the bottom cover 26 is moved forward by the release push rod 261, the push button 53 and the spring 531, the engaging end 2611 of the release push rod 261 is disengaged from the hook 29, and the bottom cover 26 is rotated forward and backward relative to the support portion 5 to be opened at an angle a of 0 to 90 degrees, as shown in fig. 7.
The base 4 is used for supporting the machine body 1, the dust cup 2 is partially located on the upper side of the supporting portion 5, in order to increase the supporting force of the supporting portion 5, a supporting column 6 is arranged on the lower side of the supporting portion 5, the supporting column 6 extends from the lower side of the supporting portion 5 to the base 4, the base 4 comprises an upper base 41 and a lower base 42, a cavity is formed between the upper base 41 and the lower base 42, and the cavity can be used for placing a dust suction accessory 43, as shown in fig. 3. In this embodiment, the power supply device 8 is a cylindrical structure and can be disposed at the rear end of the motor 7. The power supply unit 8 is detachable from the body by a power supply unit release button 10. Of course, the power supply device 8 may be configured as a flat structure according to the design requirement, and the power supply device 8 may be placed in the seat body 4.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112218.1A CN111184468A (en) | 2020-02-24 | 2020-02-24 | A handheld vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112218.1A CN111184468A (en) | 2020-02-24 | 2020-02-24 | A handheld vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111184468A true CN111184468A (en) | 2020-05-22 |
Family
ID=70687419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010112218.1A Pending CN111184468A (en) | 2020-02-24 | 2020-02-24 | A handheld vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111184468A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685650A (en) * | 2020-06-12 | 2020-09-22 | 苏州洁易电器有限公司 | Conductive mechanism and dust collector |
| CN113940582A (en) * | 2020-07-15 | 2022-01-18 | 莱克电气股份有限公司 | A hand-held vacuum cleaner and vacuum cleaner |
| CN113940584A (en) * | 2020-07-15 | 2022-01-18 | 莱克电气股份有限公司 | Portable handheld dust suction device and dust suction equipment |
| WO2022148343A1 (en) * | 2021-01-06 | 2022-07-14 | Globe (jiangsu) Co., Ltd. | Handheld vacuum cleaner and vacuum cleaner brush assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005168775A (en) * | 2003-12-11 | 2005-06-30 | Sharp Corp | Vacuum cleaner |
| EP3287059A1 (en) * | 2016-06-30 | 2018-02-28 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Dust cup assembly and handheld vacuum cleaner comprising same |
| CN108742319A (en) * | 2018-07-23 | 2018-11-06 | 珠海格力电器股份有限公司 | Accessory matched with handle of electric appliance for use and handheld household electric appliance with accessory |
| CN109330475A (en) * | 2018-11-27 | 2019-02-15 | 宁波哲恺电器有限公司 | A handheld vacuum cleaner |
| CN208598270U (en) * | 2018-04-14 | 2019-03-15 | 苏州诚河清洁设备有限公司 | A kind of hand held cleaner |
| CN109640769A (en) * | 2016-08-25 | 2019-04-16 | Lg电子株式会社 | Dust catcher |
| CN208973654U (en) * | 2018-04-03 | 2019-06-14 | 江苏美的清洁电器股份有限公司 | Hand held cleaner |
| CN209107173U (en) * | 2018-10-22 | 2019-07-16 | 苏州凯丽达电器有限公司 | Hand held cleaner |
-
2020
- 2020-02-24 CN CN202010112218.1A patent/CN111184468A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005168775A (en) * | 2003-12-11 | 2005-06-30 | Sharp Corp | Vacuum cleaner |
| EP3287059A1 (en) * | 2016-06-30 | 2018-02-28 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Dust cup assembly and handheld vacuum cleaner comprising same |
| CN109640769A (en) * | 2016-08-25 | 2019-04-16 | Lg电子株式会社 | Dust catcher |
| CN208973654U (en) * | 2018-04-03 | 2019-06-14 | 江苏美的清洁电器股份有限公司 | Hand held cleaner |
| CN208598270U (en) * | 2018-04-14 | 2019-03-15 | 苏州诚河清洁设备有限公司 | A kind of hand held cleaner |
| CN108742319A (en) * | 2018-07-23 | 2018-11-06 | 珠海格力电器股份有限公司 | Accessory matched with handle of electric appliance for use and handheld household electric appliance with accessory |
| CN209107173U (en) * | 2018-10-22 | 2019-07-16 | 苏州凯丽达电器有限公司 | Hand held cleaner |
| CN109330475A (en) * | 2018-11-27 | 2019-02-15 | 宁波哲恺电器有限公司 | A handheld vacuum cleaner |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685650A (en) * | 2020-06-12 | 2020-09-22 | 苏州洁易电器有限公司 | Conductive mechanism and dust collector |
| CN111685650B (en) * | 2020-06-12 | 2025-07-11 | 苏州洁易电器有限公司 | Conductive mechanism and vacuum cleaner |
| CN113940582A (en) * | 2020-07-15 | 2022-01-18 | 莱克电气股份有限公司 | A hand-held vacuum cleaner and vacuum cleaner |
| CN113940584A (en) * | 2020-07-15 | 2022-01-18 | 莱克电气股份有限公司 | Portable handheld dust suction device and dust suction equipment |
| CN113940584B (en) * | 2020-07-15 | 2023-05-26 | 莱克电气股份有限公司 | Portable handheld dust collection device and dust collection equipment |
| WO2022148343A1 (en) * | 2021-01-06 | 2022-07-14 | Globe (jiangsu) Co., Ltd. | Handheld vacuum cleaner and vacuum cleaner brush assembly |
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