CN214180297U - Dust collector floor brush - Google Patents
Dust collector floor brush Download PDFInfo
- Publication number
- CN214180297U CN214180297U CN202022543570.9U CN202022543570U CN214180297U CN 214180297 U CN214180297 U CN 214180297U CN 202022543570 U CN202022543570 U CN 202022543570U CN 214180297 U CN214180297 U CN 214180297U
- Authority
- CN
- China
- Prior art keywords
- mounting
- housing
- mounting groove
- circuit board
- shell
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000009423 ventilation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 15
- 238000005201 scrubbing Methods 0.000 description 14
- 230000005611 electricity Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005286 illumination 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
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
-
- 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
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
-
- 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
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The utility model provides a dust collector floor brush, which comprises a shell, a motor, a circuit board and a battery component; a first mounting groove and a second mounting groove which are mutually communicated are formed in the shell, the motor is fixedly mounted in the first mounting groove, the battery assembly comprises a mounting shell and a storage battery, the storage battery is fixedly mounted in the mounting shell, the mounting shell is fixedly mounted in the second mounting groove, the circuit board is accommodated in the second mounting groove, the circuit board is fixedly mounted on the mounting shell, the motor is electrically connected with the circuit board, and the storage battery is electrically connected with the circuit board; the motor can be powered through the storage battery to enable the dust collector floor brush to work independently of the dust collector host, so that an electric connection structure is not needed between the dust collector floor brush and the dust collector host, and the universality of the dust collector floor brush is improved.
Description
Technical Field
The utility model relates to a dust catcher field especially relates to a dust catcher scrubbing brush.
Background
The dust catcher includes scrubbing brush and host computer, forms the electricity between scrubbing brush and the host computer and is connected, supplies power through the host computer for the scrubbing brush and makes the motor work in the scrubbing brush to make scrubbing brush work, the scrubbing brush can't work independently after having broken away from the power supply of host computer, and in order to form the electricity between scrubbing brush and the host computer and be connected, can adopt some peculiar electrical connection structure between scrubbing brush and the host computer, lead to the commonality of scrubbing brush to reduce.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a dust collector floor brush from taking battery.
The utility model discloses a following technical scheme realizes:
the utility model provides a dust collector floor brush, which comprises a shell, a motor, a circuit board and a battery component; the motor is characterized in that a first mounting groove and a second mounting groove which are communicated with each other are formed in the shell, the motor is fixedly mounted in the first mounting groove, the battery assembly comprises a mounting shell and a storage battery, the storage battery is fixedly mounted in the mounting shell, the mounting shell is fixedly mounted in the second mounting groove, the circuit board is accommodated in the second mounting groove, the circuit board is fixedly mounted on the mounting shell, the motor is electrically connected with the circuit board, and the storage battery is electrically connected with the circuit board.
Further, the installation shell includes first shell and second shell, first shell with second shell fixed connection, first shell with the second shell forms the third mounting groove jointly, battery fixed mounting is in the third mounting groove.
Furthermore, a clamping plate is arranged on the first shell, a clamping hook is arranged at one end, far away from the first shell, of the clamping plate, a clamping portion is arranged on the second shell in a protruding mode, the first shell is abutted to the second shell, the clamping plate penetrates through the clamping portion, and the clamping hook is clamped with the clamping portion.
Furthermore, the installation shell is provided with air holes.
Further, still be equipped with a plurality of erection columns on the installation shell, erection column one end with installation shell fixed connection, the erection column other end run through the circuit board and with circuit board fixed connection, the circuit board with there is the clearance between the installation shell.
Furthermore, the dust collector floor brush further comprises a front cover and a brush head, the front cover is fixedly connected with the shell, a fourth mounting groove is formed in the front cover and the shell, the fourth mounting groove is not communicated with the first mounting groove and the second mounting groove, the brush head is accommodated in the fourth mounting groove and is movably connected with the shell, and the brush head is in transmission connection with the motor.
Furthermore, the dust collector floor brush further comprises a conveyor belt and a first transmission piece, a second transmission piece is further arranged on the transmission shaft of the motor, the first transmission piece extends into the fourth mounting groove from the second mounting groove, the first transmission piece is movably connected with the shell, the first transmission piece is fixedly connected with the brush head, and the conveyor belt is sleeved on the first transmission piece and outside the second transmission piece.
Further, the dust collector floor brush further comprises a connecting hose, the shell is further provided with a connecting portion, one end of the connecting hose is fixedly connected with the front cover and communicated with the fourth mounting groove, and the other end of the connecting hose penetrates through the connecting portion.
Furthermore, the dust collector floor brush further comprises a movable part and a mounting pipe, the movable part is movably connected with the connecting part, the mounting pipe is fixedly connected with the movable part, and one end, far away from the front cover, of the connecting hose is fixedly accommodated in the mounting pipe and communicated with the mounting pipe.
Furthermore, shell bottom symmetry is equipped with first pulley, connecting portion both sides are equipped with the second pulley.
Furthermore, the shell is also provided with two LED illuminating lamps, and the LED illuminating lamps are electrically connected with the circuit board.
The utility model has the advantages that:
the utility model provides an be equipped with the battery in the dust catcher scrubbing brush, can make this dust catcher scrubbing brush can break away from dust catcher host computer autonomous working for the motor power supply through the battery to make and need not electric connection structure between this dust catcher scrubbing brush and the dust catcher host computer, and then make the commonality of this dust catcher scrubbing brush increase.
Drawings
FIG. 1 is a partial perspective view of a floor brush of a vacuum cleaner of the present invention;
FIG. 2 is another perspective view of the floor brush of the vacuum cleaner of the present invention;
FIG. 3 is a perspective view of the battery assembly of the floor brush of the vacuum cleaner of the present invention;
FIG. 4 is a perspective view of the floor brush of the vacuum cleaner of the present invention;
fig. 5 is another perspective view of the floor brush of the vacuum cleaner of the present invention.
Detailed Description
For a more clear and complete description of the technical solution of the present invention, the following description is made with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a vacuum cleaner floor brush, which includes a housing 10, a motor 20, a circuit board 30 and a battery assembly 40; form first mounting groove 11 and second mounting groove 12 of intercommunication each other in the shell 10, motor 20 fixed mounting be in the first mounting groove 11, battery pack 40 is including installation shell 41 and battery 42, battery 42 fixed mounting be in the installation shell 41, installation shell 41 fixed mounting be in the second mounting groove 12, circuit board 30 is acceptd in the second mounting groove 12, circuit board 30 fixed mounting be in on the installation shell 41, motor 20 with circuit board 30 electricity is connected, battery 42 with circuit board 30 electricity is connected.
In the present embodiment, the number of the storage batteries 42 is two, and two storage batteries 42 are fixedly mounted in the mounting case 41; the circuit board 30 is fixedly mounted on the mounting shell 41, the circuit board 30 is accommodated in the second mounting groove 12 and is far away from the motor 20, and the heat generated by the motor 20 during operation does not affect the normal operation of the circuit board 30; the storage battery 42 can supply power to the motor 20 to enable the dust collector floor brush to be separated from a dust collector host machine to work independently, so that an electric connection structure is not needed between the dust collector floor brush and the dust collector host machine, and the universality of the dust collector floor brush is improved.
In this embodiment, the housing 10 is further provided with a charging seat (not shown), which is electrically connected to the circuit board 30 and can charge the battery 42.
Further, the mounting case 41 includes a first case 49 and a second case 499, the first case 49 and the second case 499 are fixedly connected, the first case 49 and the second case 499 together form a third mounting groove 43, and the battery 42 is fixedly mounted in the third mounting groove 43; the first shell 49 is provided with a clamping plate 44, one end of the clamping plate 44, which is far away from the first shell 49, is provided with a clamping hook 45, the second shell 499 is convexly provided with a clamping part 46, the first shell 49 is abutted against the second shell 499, the clamping plate 44 penetrates through the clamping part 46, and the clamping hook 45 is clamped with the clamping part 46.
In the present embodiment, the hook 45 is engaged with the engaging portion 46 to fixedly connect the first case 49 and the second case 499, and the hook 45 is manually disengaged from the engaging portion 46 to separate the first case 49 and the second case 499, thereby facilitating replacement of the battery 42.
In this embodiment, a gap is formed between the engaging portion 46 and the second case 499, and the engaging plate 44 penetrates the gap between the engaging portion 46 and the second case 499 to penetrate the engaging portion 46.
Furthermore, the installation shell 41 is provided with air holes 47.
In this embodiment, the heat generated by the battery 42 during operation can be quickly dissipated to the outside of the mounting case 41 through the air holes 47, so as to prevent the battery 42 from being damaged due to the accumulation of heat in the mounting case 41.
Further, still be equipped with a plurality of erection columns 48 on the installation shell 41, erection column 48 one end with installation shell 41 fixed connection, the erection column 48 other end run through circuit board 30 and with circuit board 30 fixed connection, circuit board 30 with there is the clearance between the installation shell 41.
In this embodiment, the number of the mounting posts 48 is 4, and 4 mounting posts 48 respectively penetrate through four corners of the circuit board 30 and are fixedly connected with the circuit board 30, so that the circuit board 30 and the mounting shell 41 are fixedly connected; a gap exists between the circuit board 30 and the mounting case 41, so that heat generated during the operation of the circuit board 30 is not directly conducted into the mounting case 41 to cause the temperature rise of the storage battery 42.
Further, the dust collector floor brush further comprises a front cover 50 and a brush head 60, the front cover 50 is fixedly connected with the housing 10, the front cover 50 and the housing 10 form a fourth mounting groove 51, the fourth mounting groove 51 is not communicated with the first mounting groove 11 and the second mounting groove 12, the brush head 60 is accommodated in the fourth mounting groove 51 and is movably connected with the housing 10, and the brush head 60 is in transmission connection with the motor 20.
In this embodiment, the fourth mounting groove 51 is a working area of the brush head 60, the brush head 60 is movably connected to the housing 10, the brush head 60 can rotate relative to the housing 10 to perform cleaning operation, the brush head 60 is in transmission connection with the motor 20, and the motor 20 drives the brush head 60 to rotate during operation.
Further, the vacuum cleaner floor brush further comprises a conveyor belt 70 and a first transmission piece 80, a second transmission piece 21 is further arranged on the transmission shaft of the motor 20, the first transmission piece 80 extends into the fourth installation groove 51 from the second installation groove 12, the first transmission piece 80 is movably connected with the housing 10, the first transmission piece 80 is fixedly connected with the brush head 60, and the conveyor belt 70 is sleeved outside the first transmission piece 80 and the second transmission piece 21.
In this embodiment, one end of the brush head 60 is fixedly connected to the first transmission member 80, and the other end of the brush head 60 is movably connected to the housing 10; the first transmission member 80 is movably connected with the housing 10, the first transmission member 80 can rotate relative to the housing 10, the conveyor belt 70 is respectively engaged with the first transmission member 80 and the second transmission member 21, the motor 20 operates to drive the second transmission member 21 to rotate, the second transmission member 21 drives the first transmission member 80 to rotate through the conveyor belt 70, and the first transmission member 80 drives the brush head 60 to rotate.
Further, the vacuum cleaner floor brush further comprises a connection hose 90, the housing 10 is further provided with a connection portion 13, one end of the connection hose 90 is fixedly connected with the front cover 50 and communicated with the fourth mounting groove 51, and the other end of the connection hose 90 penetrates through the connection portion 13.
In this embodiment, the connecting member forms a seamless connection with the front cover 50.
Further, the vacuum cleaner floor brush further comprises a movable part 100 and a mounting tube 110, the movable part 100 is movably connected with the connecting part 13, the mounting tube 110 is fixedly connected with the movable part 100, and one end of the connecting hose 90, which is far away from the front cover 50, is fixedly accommodated in the mounting tube 110 and is communicated with the mounting tube 110.
In the present embodiment, the movable portion 100 is movably connected to the connecting portion 13, and the mounting tube 110 is fixedly connected to the movable portion 100, so that the mounting tube 110 can rotate relative to the connecting portion 13, thereby adjusting the angle between the mounting tube 110 and the housing 10; the end of the connection hose 90 away from the front cover 50 is fixedly received in the mounting tube 110 and forms a seamless connection with the mounting tube 110.
Further, the bottom of the housing 10 is symmetrically provided with first pulleys 14, and two sides of the connecting portion 13 are provided with second pulleys 131.
In the present embodiment, the cleaner floor brush can slide on the floor surface by the first pulley 14 and the second pulley 131.
Further, two LED lighting lamps 120 are further disposed on the housing 10, and the LED lighting lamps 120 are electrically connected to the circuit board 30.
In this embodiment, the two LED illuminating lamps 120 are symmetrically disposed on the housing 10, and the two LED illuminating lamps 120 provide a larger illumination angle for the vacuum cleaner floor brush.
Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.
Claims (10)
1. A dust collector floor brush is characterized by comprising a shell, a motor, a circuit board and a battery pack; the motor is characterized in that a first mounting groove and a second mounting groove which are communicated with each other are formed in the shell, the motor is fixedly mounted in the first mounting groove, the battery assembly comprises a mounting shell and a storage battery, the storage battery is fixedly mounted in the mounting shell, the mounting shell is fixedly mounted in the second mounting groove, the circuit board is accommodated in the second mounting groove, the circuit board is fixedly mounted on the mounting shell, the motor is electrically connected with the circuit board, and the storage battery is electrically connected with the circuit board.
2. The vacuum cleaner floor brush of claim 1, wherein the mounting housing includes a first housing and a second housing, the first housing and the second housing being fixedly coupled, the first housing and the second housing together forming a third mounting slot, the battery being fixedly mounted within the third mounting slot.
3. The vacuum cleaner floor brush according to claim 2, wherein a clamping plate is provided on the first housing, a hook is provided on an end of the clamping plate away from the first housing, a locking portion is provided on the second housing, the first housing abuts against the second housing, the clamping plate penetrates through the locking portion, and the hook is locked with the locking portion.
4. The vacuum cleaner floor brush as claimed in claim 1, wherein the mounting case is provided with ventilation holes.
5. The vacuum cleaner floor brush as claimed in claim 1, wherein the mounting shell is further provided with a plurality of mounting posts, one ends of the mounting posts are fixedly connected with the mounting shell, the other ends of the mounting posts penetrate through the circuit board and are fixedly connected with the circuit board, and a gap is formed between the circuit board and the mounting shell.
6. The vacuum cleaner floor brush of claim 1, further comprising a front cover and a brush head, wherein the front cover is fixedly connected to the housing, the front cover and the housing form a fourth mounting groove, the fourth mounting groove is not communicated with the first mounting groove and the second mounting groove, the brush head is received in the fourth mounting groove and movably connected to the housing, and the brush head is in transmission connection with the motor.
7. The vacuum cleaner floor brush as claimed in claim 6, further comprising a conveyor belt and a first transmission member, wherein a second transmission member is further disposed on the transmission shaft of the motor, the first transmission member extends from the second mounting groove to the fourth mounting groove, the first transmission member is movably connected to the housing, the first transmission member is fixedly connected to the brush head, and the conveyor belt is sleeved outside the first transmission member and the second transmission member.
8. The vacuum cleaner floor brush according to claim 6, further comprising a connection hose, wherein the housing is further provided with a connection portion, one end of the connection hose is fixedly connected with the front cover and is communicated with the fourth mounting groove, and the other end of the connection hose penetrates through the connection portion; the dust collector floor brush further comprises a movable part and a mounting pipe, the movable part is movably connected with the connecting part, the mounting pipe is fixedly connected with the movable part, and one end, far away from the front cover, of the connecting hose is fixedly contained in the mounting pipe and communicated with the mounting pipe.
9. The vacuum cleaner floor brush according to claim 8, wherein the bottom of the housing is symmetrically provided with a first pulley, and the two sides of the connecting portion are provided with a second pulley.
10. The vacuum cleaner floor brush of claim 1, wherein the housing further includes two LED lights, the LED lights being electrically connected to the circuit board.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022543570.9U CN214180297U (en) | 2020-11-05 | 2020-11-05 | Dust collector floor brush |
US17/115,750 US20220133105A1 (en) | 2020-11-05 | 2020-12-08 | Floor brush for vacuum cleaner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022543570.9U CN214180297U (en) | 2020-11-05 | 2020-11-05 | Dust collector floor brush |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214180297U true CN214180297U (en) | 2021-09-14 |
Family
ID=77644604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022543570.9U Active CN214180297U (en) | 2020-11-05 | 2020-11-05 | Dust collector floor brush |
Country Status (2)
Country | Link |
---|---|
US (1) | US20220133105A1 (en) |
CN (1) | CN214180297U (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5699586A (en) * | 1996-01-11 | 1997-12-23 | Black & Decker Inc. | Vacuum cleaner with improved suction inlet |
KR19980023805A (en) * | 1996-09-30 | 1998-07-06 | 배순훈 | Brush Drive for Vacuum Cleaner |
US6265091B1 (en) * | 1997-06-06 | 2001-07-24 | Johnson Controls Technology Company | Modular electric storage battery |
CN1240336C (en) * | 2000-05-17 | 2006-02-08 | 松下电器产业株式会社 | Electric dust collector |
DE10353456A1 (en) * | 2003-11-15 | 2005-06-16 | Düpro AG | Cleaning tool for floor surfaces with a work area lighting |
US20090255084A1 (en) * | 2008-03-14 | 2009-10-15 | Gee Ii Jack W | Removable Battery Pack with Latching Mechanism |
US8607405B2 (en) * | 2008-03-14 | 2013-12-17 | Techtronic Floor Care Technology Limited | Battery powered cordless cleaning system |
WO2010030605A2 (en) * | 2008-09-09 | 2010-03-18 | Johnson Controls - Saft Advanced Power Solutions Llc | Interconnection washer assembly for a battery assembly |
US11612288B2 (en) * | 2009-03-13 | 2023-03-28 | Omachron Intellectual Property Inc. | Surface cleaning apparatus |
GB2470918A (en) * | 2009-06-09 | 2010-12-15 | Dyson Technology Ltd | Agitating means for a cleaning head |
CN109166994B (en) * | 2018-09-13 | 2022-04-15 | 宁波中鹏锂能源科技有限公司 | Lithium battery pack |
-
2020
- 2020-11-05 CN CN202022543570.9U patent/CN214180297U/en active Active
- 2020-12-08 US US17/115,750 patent/US20220133105A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20220133105A1 (en) | 2022-05-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20220344741A1 (en) | Battery pack, electric tool system and charging system | |
WO2020019687A1 (en) | Adapter and portable power supply | |
CN106691307A (en) | Handheld dust collector | |
US20240090374A1 (en) | Power tool | |
US20230387540A1 (en) | Battery pack, external device, and electrical combination | |
CN108695944A (en) | Dust catcher charging equipment and dust collecting system | |
CN214180297U (en) | Dust collector floor brush | |
US20250055111A1 (en) | Electrical device, electrical system, and battery pack | |
US20120212942A1 (en) | Industrial led lamp | |
CN216675615U (en) | Hand-held type dust catcher | |
CN212496886U (en) | Multifunctional grinding machine for building | |
CN108695946A (en) | Dust catcher charging equipment and dust collecting system | |
CN111745489A (en) | Multifunctional grinding machine for building | |
CN208930303U (en) | A kind of battery case construction of robot | |
KR100495158B1 (en) | A Lithium-Ion Battery Charger | |
CN220915562U (en) | Modular combined development kit | |
EP4180184A1 (en) | A power tool, power tool accessory and coupling arrangement therefor | |
US20230065277A1 (en) | Power tool and battery pack | |
CN218153689U (en) | Modular LED lamp with heat dissipation function | |
CN217691409U (en) | Special-shaped battery and cleaning robot | |
CN218684201U (en) | Cleaning robot with good heat dissipation | |
CN220045768U (en) | Dust collector | |
CN218919135U (en) | Portable fan with detachable storage battery | |
CN222233711U (en) | A cooling system for a lithium chain saw battery pack | |
CN220628049U (en) | Battery compartment of battery pack quick-change structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |