CN210902798U

CN210902798U - Hand-held type dust catcher

Info

Publication number: CN210902798U
Application number: CN201921385167.9U
Authority: CN
Inventors: 苏志平
Original assignee: Suzhou Lifeit Electric Appliance Co ltd
Current assignee: Suzhou Lifeit Electric Appliance Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-07-03
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a hand-held dust collector, which comprises a hand-held part, a main body and a dust barrel; the tail part of the main body is fixedly provided with the handheld part; a dust barrel is arranged at the front part of the main body; the dust barrel is rotatably arranged at the front end part of the main body; when the dust bucket is in a locking state, at least part of the upper surface of the dust bucket and the upper surface of the main body form smooth transition and become natural extension of the upper surface of the main body; the dust barrel is internally provided with a partition plate which partitions the interior of the dust forming barrel into an air inlet channel and a dust collecting space; the front end of the air inlet channel is provided with a suction port; the air inlet channel is communicated with the dust collecting space through a through hole; an elastic closing plate is arranged on the through hole; when the fan works, the elastic closing plate bends towards the dust collecting space; when the dust barrel is in a working state, the filter is positioned in the dust collecting space; the utility model discloses a suction inlet integration can be rotatory along with the dirt bucket on the dirt bucket, and simple structure, small and exquisite, light.

Description

Hand-held type dust catcher

Technical Field

The utility model relates to an improvement of hand-held type dust catcher, especially we have researched and developed a suction inlet integration on dirt bucket, can be rotatory along with the dirt bucket, and simple structure, small and exquisite, light, occupation space is few, easily accomodates and keeps the hand-held type dust catcher.

Background

The handheld dust collector has the characteristics of small size, portability and high popularity of consumers; chinese patent application No. 2018111140672 discloses a hand-held surface cleaning device comprising a body extending from a first end to a second end, a handle portion, a nozzle having a dirty air inlet, a motor and a dirt cup; the handle portion is defined by the body and is adjacent to the first end; the nozzle is defined by the body and adjacent the second end; the motor for generating a suction force and drawing air into the dirty air inlet; a dirt cup for receiving and storing dust and debris, the dirt cup rotatably coupled to the body of the hand-held surface cleaning device and configured to transition between a closed orientation in which the dirt cup is fluidly coupled to the dirty air inlet and the motor, and a released orientation in which the dirt cup is decoupled from the dirty air inlet and the motor to allow dirt and debris stored in the dirt cup to exit from an opening of the dirt cup; in the implementation mode, the nozzle is integrated with the body and is communicated with the dust barrel, and the number of rotary connecting points in the airflow channel is two, so that the structure is complex.

Therefore, a handheld dust collector which has the advantages that the suction port is integrated on the dust barrel, can rotate along with the dust barrel, and is simple in structure, small, exquisite, light, small in occupied space and easy to store and keep is developed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who mainly solves provides us and has researched and developed a suction inlet integration on dirt bucket, can be rotatory along with dirt bucket, and simple structure, small and exquisite, light, occupation space is few, easily accomodates and keeps the hand-held type dust catcher.

In order to solve the technical problem, the utility model discloses a technical scheme be: a hand-held vacuum cleaner is provided, which comprises a hand-held part, a main body and a dust barrel; the tail part of the main body is fixedly provided with the handheld part; a fan is arranged in the main body; the lower part of the front end of the main body is provided with a filter, and the filters are positioned at the front part of the fan and are communicated with each other; an air outlet is formed in the main body; the fan is communicated with the air outlet, and the air outlet is used for discharging airflow generated by the fan; a battery is arranged in the handheld part; the battery can provide electric energy for the fan, and the power switch arranged on the main body controls the battery to supply power for the fan; a dust barrel is arranged at the front part of the main body; the dust barrel is rotatably arranged at the front end part of the main body; when the dust bucket is in a locking state, at least part of the upper surface of the dust bucket and the upper surface of the main body form smooth transition and become natural extension of the upper surface of the main body; the dust barrel is internally provided with a partition plate which partitions the interior of the dust forming barrel into an air inlet channel and a dust collecting space; the front end of the air inlet channel is provided with a suction port; the air inlet channel is communicated with the dust collecting space through a through hole; an elastic closing plate is arranged on the through hole; when the fan does not work, the elastic closing plate closes the through hole, and when the fan works, the elastic closing plate bends towards the inside of the dust collecting space, so that the through hole is opened, and the air inlet channel is communicated with the dust collecting space; when the dust barrel is in a working state, the filter is positioned in the dust collecting space; when the fan works, airflow enters from the suction port, then sequentially passes through the air inlet channel, the dust collecting space, the filter and the fan, and then is discharged from the air outlet.

Preferably, the included angle between the handheld part and the central line of the main body is greater than 135 degrees and less than 180 degrees.

Preferably, the air outlet is formed on both side surfaces of the main body.

Preferably, the front end of the main body is horizontally provided with rotating shaft seats at intervals; the dust barrel is provided with a rotating shaft; two ends of the rotating shaft are respectively arranged in the rotating shaft seats, and a return spring is arranged between the middle part of the rotating shaft and the main body; the rotating shaft is horizontally arranged; the dust bucket can rotate around a rotating shaft.

Preferably, a lock catch is arranged outside the side wall of the dust collecting space; the front end part of the lock catch is provided with a lock catch clamping groove; a boss is arranged on the lower surface of the main body; the upper surface of the boss is provided with a space for accommodating a dust barrel release button, and the dust barrel release button can horizontally move in the space; the front end of the dust barrel release button is provided with a bulge; when the protrusions are inserted into the lock catch clamping grooves on the lock catches, the dust barrel is locked on the main body; when the releasing button of the dust barrel is moved to make the protrusion deviate from the locking clamping groove, the dust barrel can rotate around the rotating shaft, and the accumulated dust in the dust collecting space is poured.

Preferably, a transformer is arranged inside the main body; a charging jack is arranged on the shell of the main body; an electric contact conducting strip is arranged in the charging jack; the electric contact conducting strip is electrically connected with a voltage transformer; the transformer is electrically connected with the battery; the battery is a rechargeable battery; when the electric contact conducting strip is electrically contacted with a set power supply, the battery can be charged.

Preferably, the handheld vacuum cleaner further comprises a charging device, and the charging device comprises a charging wire; one end of the charging wire is provided with a round joint, and the other end of the charging wire is provided with a USB joint; the USB connector can be inserted into a USB jack of a computer, the round connector is matched with the charging jack, and when the round connector is inserted into the charging jack and electrically contacts with the electric contact conducting strip, and the computer is in a starting state, the battery can be charged.

Preferably, the end part of the free end of the handheld part is provided with a hanging ring; the hanging ring is rotatably arranged at the end part of the free end of the handheld part; the end part of the free end of the handheld part is provided with a hanging ring accommodating groove; when the hanging ring is in the storage state, the hanging ring can be inserted into the hanging ring storage groove; when the hanging ring is in a working state, the hanging ring can be screwed out of the hanging ring accommodating groove.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the dust barrel of the hand-held dust collector of the utility model is rotatably arranged at the front end part of the main body; when the dust bucket is in a locking state, at least part of the upper surface of the dust bucket and the upper surface of the main body form smooth transition and become natural extension of the upper surface of the main body; the dust barrel is internally provided with a partition plate which partitions the interior of the dust forming barrel into an air inlet channel and a dust collecting space; the front end of the air inlet channel is provided with a suction port; the air inlet channel is communicated with the dust collecting space through a through hole; an elastic closing plate is arranged on the through hole; when the fan does not work, the elastic sealing plate seals the through hole, and when the fan works, as the air pressure in the dust collecting space is lower than that of the air inlet channel, the elastic sealing plate bends towards the inside of the dust collecting space, so that the through hole is opened, and the air inlet channel is communicated with the dust collecting space; in addition, a charging device is also arranged and comprises a charging wire; one end of the charging wire is provided with a round joint, and the other end of the charging wire is provided with a USB joint; the USB connector can be inserted into a USB jack of a computer, the round connector is matched with the charging jack, and when the round connector is inserted into the charging jack and electrically contacts the electric contact conducting strip, and the computer is in a starting state, the battery can be charged; the end part of the free end of the handheld part 1 is also provided with a hanging ring; the hanging ring is rotatably arranged at the end part of the free end of the handheld part; the end part of the free end of the handheld part is provided with a hanging ring accommodating groove; when the hanging ring is in the storage state, the hanging ring can be inserted into the hanging ring storage groove; when the hanging ring is in a working state, the hanging ring can be screwed out of the hanging ring accommodating groove; the utility model discloses a suction inlet integration can be rotatory along with the dirt bucket on the dirt bucket, and simple structure, small and exquisite, light, and occupation space is few, easily accomodates and keeps.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

fig. 1 is a perspective view of a dust barrel of a first embodiment of a hand-held cleaner according to the present invention at a first angle in a constrained state;

fig. 2 is a perspective view of a dust barrel of the first embodiment of the hand-held cleaner of the present invention at a second angle in a constrained state;

fig. 3 is a front view of the dust barrel of the first embodiment of the hand-held cleaner according to the present invention in a constrained state;

fig. 4 is a front view of the hand-held vacuum cleaner in a state where the dust barrel is released according to the first embodiment of the present invention;

fig. 5 is a perspective view of the dust barrel of the first embodiment of the hand-held cleaner according to the present invention in a release state;

FIG. 6 is an enlarged cross-sectional view of the first embodiment of the hand-held cleaner in an inoperative state;

fig. 7 is an enlarged sectional view of the first embodiment of the hand-held cleaner according to the present invention in an operating state;

fig. 8 is a perspective view of a charging cord of the first embodiment of the hand-held cleaner according to the present invention;

fig. 9 is a perspective view of a hand-held cleaner according to a second embodiment of the present invention with the hanging ring thereof turned out;

fig. 10 is a perspective view of a hand-held cleaner according to a second embodiment of the present invention in a state where a hanging ring is received;

FIG. 11 is an enlarged view of portion A of FIG. 9;

the parts in the drawings are marked as follows: 1. a hand-held portion; 2. a main body; 4. a dust barrel; 5. a rotary shaft seat; 6. locking; 7. a boss; 8. a dust bucket release button; 9. a suction port; 10. an air outlet; 11. a fan; 12. a battery; 13. a power switch; 14. a rotating shaft; 15. a filter; 16. a round joint; 17. a charging jack; 18. a transformer; 19. a charging wire; 20. a USB connector; 21. a partition plate; 22. an elastic closing plate; 23 air inlet channels; 24. a dust collecting space; 25. a through hole; 26. a return spring; 27. a hoisting ring; 28. a hanging ring accommodating groove; 61. a locking buckle clamping groove; 81. and (4) protruding.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Example one

Referring to fig. 1 to 8, the present invention includes:

a hand-held cleaner comprising: the handheld part 1, the main body 2 and the dust barrel 4; the tail part of the main body 2 is fixedly provided with the handheld part 1; a dust barrel 4 is arranged at the front part of the main body 2; the included angle between the central lines of the handheld part 1 and the main body 2 is more than 135 degrees and less than 180 degrees; the dust bucket 4 is rotatably arranged at the front end part of the main body 2; when the dust bucket 4 is in a locked state, the upper surface of the dust bucket 4 forms smooth transition with the upper surface of the main body 2 at least partially and becomes a natural extension of the upper surface of the main body 2; a fan 111 is arranged inside the main body 2; a filter 15 is arranged at the lower part of the front end of the main body 2, and the filter 15 is positioned at the front part of the fan 11 and communicated with each other; an air outlet 10 is arranged on the main body 2; the fan 11 is communicated with the air outlet 10, and the air outlet 10 is used for discharging airflow generated by the fan 11; in this embodiment, the air outlet 10 is disposed on two side surfaces of the main body 2; a battery 12 is arranged in the handheld part 1; the battery 12 can provide electric energy for the fan 11, and the power switch 13 arranged on the main body 2 controls the battery 12 to supply power for the fan 11; the front end of the main body 2 is horizontally provided with rotary shaft seats 5 at intervals; the dust barrel 4 is provided with a rotating shaft 14; two ends of the rotating shaft 14 are respectively arranged in the rotating shaft seat 5, and a return spring 26 is arranged between the middle part of the rotating shaft 14 and the main body 2; the rotating shaft 14 is horizontally arranged; the dust barrel 4 can rotate around a rotating shaft 4; a partition plate 21 is arranged in the dust barrel 4, and the partition plate 21 divides the interior of the dust barrel 4 into an air inlet channel 23 and a dust collecting space 24; the front end of the air inlet channel 23 is provided with a suction port 9; the air inlet channel 23 is communicated with the dust collecting space 24 through a through hole 25; the through hole 25 is provided with an elastic closing plate 22; when the fan 11 does not work, the elastic closing plate 22 closes the through hole 25, and when the fan 11 works, because the air pressure in the dust collecting space 24 is lower than that of the air inlet channel 23, the elastic closing plate 22 bends towards the inside of the dust collecting space 24, so that the through hole 25 is opened, and the air inlet channel 23 is communicated with the dust collecting space 24; when the dust bucket 4 is in the working state, the filter 15 is positioned inside the dust collecting space 24; when the fan 11 works, airflow enters from the suction port 9, passes through the air inlet channel 23, the dust collecting space 24, the filter 15 and the fan 11 in sequence, and then is discharged from the air outlet 10.

The lock catch 6 is arranged outside the side wall of the dust collecting space 24; the front end part of the lock catch 6 is provided with a lock catch clamping groove 61; the lower surface of the main body 2 is provided with a boss 7; a space (not shown) for accommodating a dust bucket release button 8 is formed in the upper surface of the boss 7, and the dust bucket release button 8 can move horizontally in the space; the front end of the dust barrel release button 8 is provided with a bulge 81; when the protrusion 81 is inserted into the latch catch groove 61 of the latch 6, the dust bucket 4 is locked on the main body 2; when the protrusion 81 is disengaged from the locking protrusion 61 by moving the dust bucket release button 8, the dust bucket 4 can rotate about the rotation shaft 14 and the dust accumulated in the dust collection space 24 can be dumped.

A transformer 18 is arranged inside the main body 2; a charging jack 17 is arranged on the shell of the main body 2; an electric contact conductive sheet (not shown) is arranged in the charging jack 17; the electrical contact conducting strip is electrically connected with the voltage transformer 18; the transformer 18 is electrically connected to the battery 12; in this embodiment, the battery 12 is a rechargeable battery; when the electrical contact pads are in electrical contact with a set power source, the battery 12 can be charged.

In this embodiment, a charging device (not shown) is also provided, which includes a charging wire 19; one end of the charging wire is provided with a round joint 16, and the other end of the charging wire is provided with a USB joint 20; the USB connector 20 can be inserted into a USB jack of a computer, the round connector 16 is matched with the charging jack 17, and when the round connector 16 is inserted into the charging jack 17 and the round connector 16 is in electric contact with the electric contact conducting strip, and meanwhile, when the computer is in a power-on state, the battery 12 can be charged.

In this embodiment, the voltage of the battery 12 is 10V; the voltage at the USB connector is 5V, and the battery 12 can be charged by transforming the voltage through the transformer 18.

When the fan works, the power switch 13 is pressed, and the battery 12 is electrically connected with the fan 11; the battery 12 starts to supply power to the fan 11, the dust collector starts to work, air negative pressure is generated in the sealed dust collecting space 24, the elastic closing plate 22 bends towards the inside of the dust collecting space 24, and therefore the through hole 25 is opened, and the air inlet channel 23 is communicated with the dust collecting space 24; at the moment, the suction opening is aligned to a place with dirt and dust, dust-containing airflow enters the air inlet channel 23 from the suction opening 9, then enters the dust collecting space 24 through the through hole 25, then passes through the filter 15, the dust is remained in the dust collecting space 24, and clean airflow passes through the fan 11 and then is discharged from the air outlet 10, so that the dust removing function is realized; after the dust removal is finished, the dust barrel release button 8 is translated backwards, and when the protrusion 81 is disengaged from the lock catch clamping groove 61, the dust barrel 4 can rotate around the rotating shaft 14, and the accumulated dust in the dust collection space 24 can be poured; after the ash is poured, the dust barrel 4 is reset, and the dust can be removed again; when the battery 12 is not powered, the battery can be charged by a charging device, that is, when the round connector 16 is inserted into the charging jack 17 and the round connector 16 is electrically contacted with the electric contact conducting strip, the USB connector 20 can be inserted into a USB jack of a computer, and the battery 12 can be charged when the computer is in a power-on state.

Example two

Referring to fig. 9 to 11, the present invention includes:

a hand-held cleaner comprising: the handheld part 1, the main body 2 and the dust barrel 4; the tail part of the main body 2 is fixedly provided with the handheld part 1; a dust barrel 4 is arranged at the front part of the main body 2; the included angle between the central lines of the handheld part 1 and the main body 2 is more than 135 degrees and less than 180 degrees; the dust bucket 4 is rotatably arranged at the front end part of the main body 2; when the dust bucket 4 is in a locked state, the upper surface of the dust bucket 4 forms smooth transition with the upper surface of the main body 2 at least partially and becomes a natural extension of the upper surface of the main body 2; a fan 11 is arranged inside the main body 2; a filter 15 is arranged at the lower part of the front end of the main body 2, and the filter 15 is positioned at the front part of the fan 11 and communicated with each other; an air outlet 10 is arranged on the main body 2; the fan 11 is communicated with the air outlet 10, and the air outlet 10 is used for discharging airflow generated by the fan 11; in this embodiment, the air outlet 10 is disposed on two side surfaces of the main body 2; a battery 12 is arranged in the handheld part 1; the battery 12 can provide electric energy for the fan 11, and the power switch 13 arranged on the main body 2 controls the battery 12 to supply power for the fan 11; the end part of the free end of the handheld part 1 is provided with a hanging ring 27; the hanging ring 27 is rotatably arranged at the end part of the free end of the handheld part 1; the end part of the free end of the handheld part 1 is provided with a hanging ring accommodating groove 28; when the hanging ring 27 is in the storage state, it can be inserted into the hanging ring storage groove 28; when the hanging ring 27 is in the working state, it can be unscrewed from the hanging ring receiving groove 28.

In this embodiment, the structure is the same as that of the first embodiment except that the hand-held portion 1 is provided with the hanging ring 27 and the corresponding hanging ring receiving groove 28, and the description thereof will not be repeated.

When the lifting ring 27 is used, the lifting ring 27 can be screwed out of the lifting ring accommodating groove 28; when it is required to use the hanging ring 27, the hanging ring 27 is inserted into the hanging ring receiving groove 28.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model following advantage has:

the dust barrel 4 of the hand-held dust collector of the utility model is rotatably arranged at the front end part of the main body 2; when the dust bucket 4 is in a locked state, the upper surface of the dust bucket 4 forms smooth transition with the upper surface of the main body 2 at least partially and becomes a natural extension of the upper surface of the main body 2; a partition plate 21 is arranged in the dust barrel 4, and the partition plate 21 divides the interior of the dust barrel 4 into an air inlet channel 23 and a dust collecting space 24; the front end of the air inlet channel 23 is provided with a suction port 9; the air inlet channel 23 is communicated with the dust collecting space 24 through a through hole 25; the through hole 25 is provided with an elastic closing plate 22; when the fan 11 does not work, the elastic closing plate 22 closes the through hole 25, and when the fan 11 works, because the air pressure in the dust collecting space 24 is lower than that of the air inlet channel 23, the elastic closing plate 22 bends towards the inside of the dust collecting space 24, so that the through hole 25 is opened, and the air inlet channel 23 is communicated with the dust collecting space 24; furthermore, a charging device is provided, comprising a charging cable 19; one end of the charging wire is provided with a round joint 16, and the other end of the charging wire is provided with a USB joint 20; the USB connector 20 can be inserted into a USB jack of a computer, the round connector 16 is matched with the charging jack 17, and when the round connector 16 is inserted into the charging jack 17 and the round connector 16 is electrically contacted with the electric contact conducting strip and the computer is in a power-on state, the battery 12 can be charged; the end part of the free end of the hand-held part 1 is also provided with a hanging ring 27; the hanging ring 27 is rotatably arranged at the end part of the free end of the handheld part 1; the end part of the free end of the handheld part 1 is provided with a hanging ring accommodating groove 28; when the hanging ring 27 is in the storage state, it can be inserted into the hanging ring storage groove 28; when the hanging ring 27 is in a working state, the hanging ring can be screwed out of the hanging ring accommodating groove 28; the utility model discloses a suction inlet integration can be rotatory along with the dirt bucket on the dirt bucket, and simple structure, small and exquisite, light, and occupation space is few, easily accomodates and keeps.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hand-held dust collector comprises a hand-held part, a main body and a dust barrel; the tail part of the main body is fixedly provided with the handheld part; a fan is arranged in the main body; the lower part of the front end of the main body is provided with a filter, and the filters are positioned at the front part of the fan and are communicated with each other; an air outlet is formed in the main body; the fan is communicated with the air outlet, and the air outlet is used for discharging airflow generated by the fan; a battery is arranged in the handheld part; the battery can provide electric energy for the fan, and the power switch arranged on the main body controls the battery to supply power for the fan; a dust barrel is arranged at the front part of the main body; the method is characterized in that: the dust barrel is rotatably arranged at the front end part of the main body; when the dust bucket is in a locking state, at least part of the upper surface of the dust bucket and the upper surface of the main body form smooth transition and become natural extension of the upper surface of the main body; the dust barrel is internally provided with a partition plate which partitions the interior of the dust forming barrel into an air inlet channel and a dust collecting space; the front end of the air inlet channel is provided with a suction port; the air inlet channel is communicated with the dust collecting space through a through hole; an elastic closing plate is arranged on the through hole; when the fan does not work, the elastic closing plate closes the through hole, and when the fan works, the elastic closing plate bends towards the inside of the dust collecting space, so that the through hole is opened, and the air inlet channel is communicated with the dust collecting space; when the dust barrel is in a working state, the filter is positioned in the dust collecting space; when the fan works, airflow enters from the suction port, then sequentially passes through the air inlet channel, the dust collecting space, the filter and the fan, and then is discharged from the air outlet.

2. The hand-held cleaner of claim 1, wherein: the included angle between the center lines of the handheld part and the main body is larger than 135 degrees and smaller than 180 degrees.

3. The hand-held cleaner of claim 1, wherein: the air outlet is arranged on two side faces of the main body.

4. The hand-held cleaner of claim 1, wherein: the front end of the main body is horizontally provided with rotary shaft seats at intervals; the dust barrel is provided with a rotating shaft; two ends of the rotating shaft are respectively arranged in the rotating shaft seats, and a return spring is arranged between the middle part of the rotating shaft and the main body; the rotating shaft is horizontally arranged; the dust bucket can rotate around a rotating shaft.

5. The hand-held cleaner of claim 1, wherein: a lock catch is arranged outside the side wall of the dust collecting space; the front end part of the lock catch is provided with a lock catch clamping groove; a boss is arranged on the lower surface of the main body; the upper surface of the boss is provided with a space for accommodating a dust barrel release button, and the dust barrel release button can horizontally move in the space; the front end of the dust barrel release button is provided with a bulge; when the protrusions are inserted into the lock catch clamping grooves on the lock catches, the dust barrel is locked on the main body; when the releasing button of the dust barrel is moved to make the protrusion deviate from the locking clamping groove, the dust barrel can rotate around the rotating shaft, and the accumulated dust in the dust collecting space is poured.

6. The hand-held cleaner of claim 1, wherein: a transformer is arranged inside the main body; a charging jack is arranged on the shell of the main body; an electric contact conducting strip is arranged in the charging jack; the electric contact conducting strip is electrically connected with a voltage transformer; the transformer is electrically connected with the battery; the battery is a rechargeable battery; when the electric contact conducting strip is electrically contacted with a set power supply, the battery can be charged.

7. The hand-held cleaner of claim 6, wherein: the handheld dust collector also comprises a charging device, and the charging device comprises a charging wire; one end of the charging wire is provided with a round joint, and the other end of the charging wire is provided with a USB joint; the USB connector can be inserted into a USB jack of a computer, the round connector is matched with the charging jack, and when the round connector is inserted into the charging jack and electrically contacts with the electric contact conducting strip, and the computer is in a starting state, the battery can be charged.

8. The hand-held cleaner of claim 1, wherein: the end part of the free end of the handheld part is provided with a hanging ring; the hanging ring is rotatably arranged at the end part of the free end of the handheld part; the end part of the free end of the handheld part is provided with a hanging ring accommodating groove; when the hanging ring is in the storage state, the hanging ring can be inserted into the hanging ring storage groove; when the hanging ring is in a working state, the hanging ring can be screwed out of the hanging ring accommodating groove.