CN115120133A - Hand-held type dust catcher - Google Patents

Hand-held type dust catcher Download PDF

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Publication number
CN115120133A
CN115120133A CN202110319992.4A CN202110319992A CN115120133A CN 115120133 A CN115120133 A CN 115120133A CN 202110319992 A CN202110319992 A CN 202110319992A CN 115120133 A CN115120133 A CN 115120133A
Authority
CN
China
Prior art keywords
driving motor
hand
housing
held
fan assembly
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.)
Withdrawn
Application number
CN202110319992.4A
Other languages
Chinese (zh)
Inventor
赵振崴
王晓东
李刚
陈斌侠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Appliances China Co Ltd
Original Assignee
Panasonic Appliances China Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Appliances China Co Ltd filed Critical Panasonic Appliances China Co Ltd
Priority to CN202110319992.4A priority Critical patent/CN115120133A/en
Publication of CN115120133A publication Critical patent/CN115120133A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a handheld dust collector, belongs to the field of domestic electric appliances, and solves the problem that the heat dissipation capacity of a driving motor is easily affected by water vapor in the prior art. The invention is mainly used for improving the waterproof and heat dissipation effects of the driving motor.

Description

Hand-held type dust catcher
Technical Field
The invention relates to a household appliance, in particular to a handheld dust collector.
Background
The existing hand-held dust collector has small size, is very convenient to carry and use, and is more suitable for cleaning smaller space. Because the handheld dust collector is compact in structure due to the pursuit of small size, a heat dissipation air duct is generally designed in the driving motor for dissipating heat of the driving motor, the driving motor drives the fan assembly to generate suction force, and meanwhile, air flow dissipates heat of the driving motor through the heat dissipation air duct in the driving motor. However, there is a problem that when water vapor is entrained in the air flow, the internal structure of the driving motor is wetted and easily rusted, and in case of serious conditions, the driving motor is short-circuited and burned.
Disclosure of Invention
The invention aims to provide a handheld dust collector, which improves the waterproof and heat dissipation effects of a driving motor.
In order to achieve the purpose, the invention adopts the following technical scheme: a hand-held dust collector comprises a hand-held body, a fan assembly and a dust collector, wherein a driving motor is arranged in the hand-held body, an output shaft of the driving motor extends to the front end of the hand-held body, the fan assembly is detachably connected to the front end of the hand-held body, the fan assembly is in transmission connection with the output shaft of the driving motor, the dust collector is connected to the front end of the fan assembly, a first air inlet is arranged at the front end of the dust collector, the rear end is equipped with first air outlet, fan assembly's front end is equipped with the second air intake with first air outlet intercommunication, the rear end is equipped with the second air outlet, driving motor seal installation is internal in handheld body, the front end of handheld body is equipped with the third air inlet with the second air outlet intercommunication, the rear end of handheld body is equipped with the third air outlet, this internal ventilation passageway that is equipped with intercommunication third air inlet and third air outlet of handheld, the periphery that the ventilation passageway is located driving motor dispels the heat to driving motor.
Preferably, the handheld body comprises an outer shell and an inner shell, the inner shell is mounted in the outer shell, a ventilation channel is formed between the outer wall of the inner shell and the inner wall of the outer shell, and the driving motor is hermetically fixed in the inner shell.
As a further preferable scheme, the outer wall of the inner shell is provided with cooling fins, and the cooling fins are arranged along the extending direction of the ventilation channel.
As a further preferred solution, the cooling fins are arranged in sections in the direction of extension of the ventilation channel.
As a further preferable scheme, the driving motor comprises a magnetic shoe, and the heat radiating fins are correspondingly positioned on the outer side of the magnetic shoe; and/or, be equipped with the holding tank that is used for filling heat conduction silica gel and increases the radiating effect in the inner shell, the holding tank is located the relative position in inner and outer side of inner shell with the fin.
As a further preferred scheme, the front end of the inner shell is provided with a connecting lug, the front end of the inner wall of the outer shell is provided with a connecting column, and a connecting screw penetrates through the connecting lug to be connected with the connecting column so as to connect the inner shell with the outer shell.
As a further preferable scheme, a rear cover is arranged at the rear end of the outer shell, the rear cover is connected with the inner shell through screws so that the inner shell is suspended relative to the outer shell to form a sleeve-shaped ventilation channel, the third air outlet is arranged on the rear cover, and the third air inlet is positioned at the front end of the outer shell.
As a further preferred scheme, the front end of the inner shell is provided with a shaft hole, a waterproof bearing is arranged in the shaft hole, and an output shaft of the driving motor is matched with the waterproof bearing and extends out of the inner shell to be in transmission connection with the fan assembly; or the front end of the inner shell is provided with a shaft hole, a waterproof bearing is arranged in the shaft hole, the inner ring of the waterproof bearing is connected with a coupler in transmission connection with the fan assembly, and the output shaft of the driving motor is connected with the coupler in an inserted manner.
In a further preferred embodiment, the inner housing includes a first housing and a second housing, and the first housing is connected to the second housing and provided with a gasket at the joint.
As a further preferable aspect, a battery for supplying power to the driving motor is installed in the inner case, and a partition plate for separating the driving motor and the battery and supporting the first case and the second case is provided in the inner case.
After the technical scheme is adopted, the invention has the following advantages: with driving motor seal installation in handheld this internally, design ventilation channel simultaneously and be located driving motor's periphery and dispel the heat to driving motor, not only can keep having sufficient heat exchange area between air that dispels the heat and the driving motor, ensure the radiating effect, mix into steam in the air that dispels the heat moreover and also can not exert an influence to driving motor's inner structure, ensure driving motor's working property and life. Because fan unit can dismantle to connect in handheld body, consequently conveniently dismantle the back with fan unit and clean ventilation channel, ensure the ventilation efficiency of long-term use, provide the guarantee for driving motor's heat dissipation.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view (one) of a hand-held vacuum cleaner according to the present invention;
FIG. 2 is a schematic view (II) of a hand-held vacuum cleaner according to the present invention
FIG. 3 is a cross-sectional view (one) of the hand held body of the present invention;
FIG. 4 is a sectional view of the hand-held body of the present invention;
fig. 5 is an exploded view of the hand held body of the present invention.
Detailed Description
The invention provides a handheld dust collector, as shown in fig. 1 to 5, comprising a handheld body 1, a fan assembly 2 and a dust collector 3, wherein a driving motor 11 is arranged in the handheld body 1, an output shaft 111 of the driving motor 11 extends to the front end of the handheld body 1, the fan assembly 2 is detachably connected to the front end of the handheld body 1, the fan assembly 2 is in transmission connection with the output shaft 111 of the driving motor 11, the dust collector 3 is connected to the front end of the fan assembly 2, the front end of the dust collector 3 is provided with a first air inlet, the rear end of the dust collector 3 is provided with a first air outlet, the front end of the fan assembly 2 is provided with a second air inlet communicated with the first air outlet, the rear end of the fan assembly 2 is provided with a second air outlet, the driving motor 11 is hermetically installed in the handheld body 1, the front end of the handheld body 1 is provided with a third air inlet 101 communicated with the second air outlet, the rear end of the handheld body 1 is provided with a third air outlet 102, a ventilation channel 100 communicated with the third air inlet 101 and the third air outlet 102 is arranged in the handheld body 1, the ventilation passage 100 is located at the outer periphery of the driving motor 11 to dissipate heat of the driving motor 11.
According to the invention, the driving motor 11 is hermetically installed in the handheld body 1, and meanwhile, the ventilation channel 100 is designed to be positioned at the periphery of the driving motor 11 to radiate the driving motor 11, so that not only can a sufficient heat exchange area be kept between radiating air and the driving motor 11, and the radiating effect be ensured, but also the internal structure of the driving motor 11 cannot be affected by water vapor mixed in the radiating air, and the working performance and the service life of the driving motor 11 are ensured. Because fan unit 2 can dismantle to be connected in handheld body 1, consequently conveniently dismantle fan unit 2 the back and clean ventilation duct 100, ensure long-term ventilation efficiency, provide the guarantee for driving motor 11's heat dissipation. After the driving motor 11 works, the fan assembly 2 can be driven to rotate to generate suction force, the garbage is left in the dust collector 3, and air enters the ventilation channel 100 along the first air outlet, the second air inlet, the second air outlet and the third air inlet 101 to dissipate heat of the driving motor 11 and is finally discharged from the third air outlet 102.
In this embodiment, in order to form the ventilation channel 100 and simultaneously waterproof and seal the driving motor 11, the handheld body 1 may be designed to include an outer shell 12 and an inner shell 13, the inner shell 13 is installed in the outer shell 12, the ventilation channel 100 is formed between the outer wall of the inner shell 13 and the inner wall of the outer shell 12, and the driving motor 11 is hermetically fixed in the inner shell 13. It is understood that, besides the structure form of hermetically fixing the driving motor 11 in the inner casing 13, other structure forms that can hermetically install the driving motor may also be adopted, such as providing a sealed cavity in the outer casing 12, hermetically installing the driving motor 11 in the sealed cavity, and providing a ventilation channel at the periphery of the sealed cavity for heat dissipation.
In order to improve the heat dissipation effect, the outer wall of the inner casing 13 may be provided with heat dissipation fins 131, and the heat dissipation fins 131 are disposed along the extending direction of the ventilation channel 100, so as to increase the contact area and the contact time with the heat dissipation air, and improve the heat exchange efficiency and the heat exchange effect. In order to make the residence time of the heat dissipation air in the ventilation channel 100 longer, the heat dissipation fins 131 may be arranged in a segmented manner in the extending direction of the ventilation channel 100, which is beneficial to improving the heat dissipation efficiency and effect. The heat sink 131 may be fixed on the outer side of the inner casing 13, or may extend from the inner side of the inner casing 13 to the ventilation channel 100 after penetrating through the inner casing 13, so that the heat sink 131 may directly contact with the peripheral side of the driving motor 11, and the heat dissipation efficiency and effect may be better.
In this embodiment, the driving motor 11 includes the magnetic shoe, and the temperature rise of the magnetic shoe is higher, and the heat dissipation fins 131 can be designed to be correspondingly located on the outer side of the magnetic shoe, so that the magnetic shoe is dissipated in a targeted manner, and the overall temperature rise of the driving motor 11 is effectively reduced.
In addition, because the inner shell 13 and the driving motor 11 are two parts, a gap is inevitably formed after assembly, so that an accommodating groove for filling heat-conducting silica gel to increase the heat dissipation effect can be formed in the inner wall of the inner shell 13, the accommodating groove and the heat dissipation fins 131 are located at opposite positions inside and outside the inner shell 13, and the heat can be dissipated more effectively after the gap between the inner shell 13 and the driving motor 11 is filled with the heat-conducting silica gel. If the heat radiating fins 131 penetrate the inner case 13 from the inner side of the inner case 13 to extend into the ventilation passage 100, receiving grooves may be provided on the base of the heat radiating fins 131 to face the driving motor 11.
In order to fix the driving motor 11, the front end of the inner housing 13 is provided with a connecting lug 132, the front end of the inner wall of the outer housing 12 is provided with a connecting hole 121, and a connecting screw passes through the connecting lug 132 to connect with the connecting hole 121 to connect the inner housing 13 with the outer housing 12. For the rear end of the inner casing 13, a rear cover 14 is disposed at the rear end of the outer casing 12, the rear cover 14 is connected to the inner casing 13 by screws, so that the inner casing 13 is suspended in the air relative to the outer casing 12 to form a sleeve-shaped ventilation channel 100, the third air outlet 102 is disposed on the rear cover 14, and the third air inlet 101 is located at the front end of the outer casing 12. After the inner shell 13 is suspended and fixed, the sleeve-shaped ventilation channel 100 is formed, so that the contact area and the contact time of the radiating air and the peripheral side surface of the inner shell 13 can be greatly increased, and the radiating efficiency and the radiating effect can be improved.
In the embodiment, in order to realize the waterproof sealing of the driving motor 11, a shaft hole 130 may be provided at the front end of the inner casing 13, a waterproof bearing 133 is provided in the shaft hole 130, a coupling 134 in transmission connection with the fan assembly 2 is connected to an inner ring of the waterproof bearing 133, and the output shaft 111 of the driving motor 11 is inserted into the coupling 134. Besides the sealing of the front end of the inner casing 13 is realized by the coupling 134 cooperating with the waterproof bearing 133, the output shaft 111 of the driving motor 11 may cooperate with the waterproof bearing 133 and extend out of the inner casing 13 to be connected with the fan assembly 2 in a transmission manner. In addition, can also directly encapsulate driving motor 11, the well drive magnetic frame that sets up in driving motor 11's output shaft 111, set up passive magnetic frame in the outside of inner shell 13, passive magnetic frame is connected with fan assembly 2 transmission, and drive magnetic frame passes through magnetic force and drives passive magnetic frame rotatory to it is rotatory to drive fan assembly 2.
In order to facilitate the installation of the driving motor 11 in the inner casing 13, the inner casing 13 may be designed to include a first casing 1301 and a second casing 1302, wherein the first casing 1301 and the second casing 1302 are connected and a sealing gasket is disposed at the connection. As a specific structure, in the present embodiment, the first housing 1301 and the second housing 1302 are two parts divided by the inner housing 13 along the length direction, and form two slotted plates, and besides, the inner housing 13 may be divided into two parts at the middle position of the length, and form two sleeves. The first housing 1301 and the second housing 1302 may be connected and fixed by screws, or may be connected and fixed by reducing the number of screws and increasing the number of buckles.
The driving motor 11 can obtain power supply by connecting a wire with mains supply, for the convenience of users, the driving motor 11 can be powered by the battery 15, and the battery 15 also needs to be sealed, waterproof and heat-dissipating, so the battery 15 for powering the driving motor 11 can be installed in the inner shell 13, after the battery 15 is installed, the length of the inner shell 13 is longer, and the inner shell 13 is fixed in a suspension manner, so the strength of the inner shell 13 needs to be increased, the stability of the ventilation channel 100 is ensured, and the partition plate 135 which separates the driving motor 11 from the battery 15 and supports the first shell 1301 and the second shell 1302 can be arranged in the inner shell 13.
Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.

Claims (10)

1. A hand-held dust collector comprises a hand-held body, a fan assembly and a dust collector, wherein a driving motor is arranged in the hand-held body, an output shaft of the driving motor extends to the front end of the hand-held body, the fan assembly is detachably connected to the front end of the hand-held body, the fan assembly is in transmission connection with the output shaft of the driving motor, the dust collector is connected to the front end of the fan assembly, a first air inlet is formed in the front end of the dust collector, a first air outlet is formed in the rear end of the dust collector, a second air inlet communicated with the first air outlet is formed in the front end of the fan assembly, a second air outlet is formed in the rear end of the fan assembly, the handheld air conditioner is characterized in that the driving motor is hermetically installed in the handheld body, a third air inlet communicated with the second air outlet is formed in the front end of the handheld body, a third air outlet is formed in the rear end of the handheld body, a ventilation channel communicated with the third air inlet and the third air outlet is formed in the handheld body, and the ventilation channel is located on the periphery of the driving motor and used for dissipating heat of the driving motor.
2. The hand-held cleaner of claim 1, wherein the hand-held body comprises an outer housing and an inner housing, the inner housing is mounted in the outer housing, a ventilation channel is formed between an outer wall of the inner housing and an inner wall of the outer housing, and the driving motor is hermetically fixed in the inner housing.
3. The hand-held cleaner according to claim 2, wherein the outer wall of the inner casing is provided with cooling fins which are arranged along the extending direction of the ventilation passage.
4. The hand-held cleaner of claim 3, wherein the heat sink is provided in sections in the extending direction of the ventilation passage.
5. The hand-held cleaner of claim 3, wherein the driving motor comprises a magnetic shoe, and the heat sink is correspondingly positioned at the outer side of the magnetic shoe; and/or, be equipped with the holding tank that is used for filling heat conduction silica gel and increases the radiating effect in the inner shell, the holding tank is located the relative position in inner and outer side of inner shell with the fin.
6. The hand-held electric appliance according to claim 2, wherein the front end of the inner casing is provided with a connecting lug, the front end of the inner wall of the outer casing is provided with a connecting column, and a connecting screw passes through the connecting lug to be connected with the connecting column to connect the inner casing with the outer casing.
7. The hand-held electric appliance according to claim 6, wherein a rear cover is provided at the rear end of the outer casing, the rear cover is connected with the inner casing by screws so that the inner casing is suspended relative to the outer casing to form a sleeve-shaped ventilation channel, the third air outlet is provided at the rear cover, and the third air inlet is provided at the front end of the outer casing.
8. The hand-held vacuum cleaner of claim 2, wherein the front end of the inner housing is provided with a shaft hole, a waterproof bearing is arranged in the shaft hole, and an output shaft of the driving motor is matched with the waterproof bearing and extends out of the inner housing to be in transmission connection with the fan assembly; or the front end of the inner shell is provided with a shaft hole, a waterproof bearing is arranged in the shaft hole, the inner ring of the waterproof bearing is connected with a coupler in transmission connection with the fan assembly, and the output shaft of the driving motor is connected with the coupler in an inserted manner.
9. The hand-held cleaner of claim 2, wherein the inner housing comprises a first housing and a second housing, the first housing being connected to the second housing and having a gasket disposed at the connection.
10. The hand-held cleaner of claim 9, wherein a battery for supplying power to the drive motor is mounted in the inner housing, and a partition plate for separating the drive motor and the battery and supporting the first housing and the second housing is provided in the inner housing.
CN202110319992.4A 2021-03-25 2021-03-25 Hand-held type dust catcher Withdrawn CN115120133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110319992.4A CN115120133A (en) 2021-03-25 2021-03-25 Hand-held type dust catcher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110319992.4A CN115120133A (en) 2021-03-25 2021-03-25 Hand-held type dust catcher

Publications (1)

Publication Number Publication Date
CN115120133A true CN115120133A (en) 2022-09-30

Family

ID=83375112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110319992.4A Withdrawn CN115120133A (en) 2021-03-25 2021-03-25 Hand-held type dust catcher

Country Status (1)

Country Link
CN (1) CN115120133A (en)

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Application publication date: 20220930