CN113036549A - Portable charging gun with automatic storage function - Google Patents

Portable charging gun with automatic storage function Download PDF

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Publication number
CN113036549A
CN113036549A CN201911344569.9A CN201911344569A CN113036549A CN 113036549 A CN113036549 A CN 113036549A CN 201911344569 A CN201911344569 A CN 201911344569A CN 113036549 A CN113036549 A CN 113036549A
Authority
CN
China
Prior art keywords
cable
reed
charging gun
cover plate
key
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.)
Granted
Application number
CN201911344569.9A
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Chinese (zh)
Other versions
CN113036549B (en
Inventor
英扬
孟畅
唐婷婷
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.)
Migao Shanghai Auto Parts Co ltd
Original Assignee
Migao Shanghai Auto Parts 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 Migao Shanghai Auto Parts Co ltd filed Critical Migao Shanghai Auto Parts Co ltd
Priority to CN201911344569.9A priority Critical patent/CN113036549B/en
Publication of CN113036549A publication Critical patent/CN113036549A/en
Application granted granted Critical
Publication of CN113036549B publication Critical patent/CN113036549B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/72—Means for accommodating flexible lead within the holder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

The invention discloses a portable charging gun with an automatic storage function. A first cavity and a second cavity are arranged in the control box, and a PCBA control plate is fixed in the first cavity; an automatic winding device is fixed in the second chamber. The automatic winding device comprises: winding main part, reed structure and locking structure. The tail end of the cable penetrates through the wire passing hole to be electrically connected with the PCBA board, the cable is wound on the winding main body, and the front end of the cable is connected with the charging gun; the color of the outer skin at the end of the cable is provided with a warning color that is different from the color of the outer skin at the other part of the cable.

Description

Portable charging gun with automatic storage function
Technical Field
The invention relates to the field of automobile accessories, in particular to a portable charging gun with an automatic storage function for a new energy electric automobile.
Background
With the increasingly exhausted energy problems and the increasingly polluted environmental problems, people pay more and more attention to the development of clean and clean energy. New energy electric automobile replaces traditional energy automobile step by step. New forms of energy electric automobile generally needs electric drive, and the new forms of energy electric automobile is equipped with portable rifle that charges and makes things convenient for electric automobile to charge at any time.
The existing portable charging gun generally comprises a gun head, a cable, a control box and a three-plug key element component. If the length of the cable is too short, the service distance between the charging gun and the electric automobile is affected. If the length of the cable is too long, the cable can be dragged on the ground, the wire is abraded, and potential safety hazards are generated. After charging, the cable is generally pulled out and wound in a manual mode to be recycled, labor and time are wasted, and the cable is easy to accelerate aging and fail due to repeated twisting. The design of a portable charging gun capable of automatically stretching and retracting a cable is a problem which needs to be solved urgently.
Disclosure of Invention
The application provides a portable rifle that charges with automatically, accomodate function, its aim at solves the unable automatic problem of accomodating of portable rifle cable among the prior art of charging.
In order to achieve the technical purpose, the following technical scheme is adopted in the application:
a portable charging gun with an automatic storage function comprises a gun head, a cable, a control box and a plug, wherein a first cavity and a second cavity are arranged in the control box, and a PCBA control panel is fixed in the first cavity; an automatic winding device is fixed in the second chamber; wherein: a wire passing hole is formed in the upper plate of the second cavity, and an upper clamping position is inwards recessed along the outer side of the wire passing hole in the upper plate; the lower plate of the second chamber protrudes upwards to form a boss, a rotating shaft which extends upwards is arranged on the boss, a lower clamping position is inwards recessed along the outer side of the rotating shaft, and a reed fixing structure is arranged on the rotating shaft; a key hole is arranged on the inner surface of the lower plate of the second chamber;
the automatic winding device comprises: the winding main body is disc-shaped and comprises a central hole shaft, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are fixed at two ends of the central hole shaft; the lower cover plate is provided with a clamping groove, and a locking unit slideway is arranged on the outer surface of the lower cover plate along one side of the clamping groove; the reed structure is arranged in the winding main body and fixed on the reed fixing structure, and the reed structure is used for driving the winding main body to rotate under the action of the tightening force of the winding main body; the locking structure comprises a locking unit, a key shaft and a spring, the locking unit is connected to the upper end of the key shaft, the spring fixedly connects the lower end of the key shaft to the inner surface of the lower plate of the second chamber, and the lower end head of the key shaft penetrates through the key hole; under a normal state, the locking unit is positioned in the clamping groove, the locking unit is abutted against the reed structure, and the reed structure does not act; the tail end of the cable penetrates through the wire passing hole to be electrically connected with the PCBA board, the cable is wound on the winding main body, and the front end of the cable is connected with the charging gun; the color of the outer skin at the end of the cable is provided with a warning color that is different from the color of the outer skin at the other part of the cable.
Preferably, a cable protection plate is arranged below the upper cover plate, and the cable protection plate covers the reed structure to isolate the reed structure from the cable.
Preferably, a pulley is arranged on the lower plate of the second cavity.
Preferably, the spring structure comprises a spring and a cladding structure, wherein: the starting end of the reed is fixedly connected to the reed fixing structure, the reed is wound and wound between the upper cover plate and the lower cover plate, and the rotating shaft is positioned in the middle of the reed; the tail end of the reed is connected with the coating structure, and the coating structure is wound on the outer side of the wound reed to isolate the cable from the reed.
Preferably, the key shaft includes a vertical key and an inclined rod connected to a distal end of the key, the locking unit is fixed to the other end of the inclined rod, and the key is parallel to the locking unit.
Preferably, the spring is connected to a side of the tilting lever adjacent to the key.
Preferably, the plug is connected to the PCBA board to supply power to the PCBA.
Preferably, the plug is connected to the PCBA board by a power supply cable wound by the automatic winding device as well as the cable.
Due to the adoption of the technical means, the charging cable can be automatically stored, and the cable is protected from being dragged and damaged.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of the overall structure of the present application;
FIG. 2 is a first schematic structural diagram of an automatic winding device according to the present application;
FIG. 3 is a second schematic structural view of the automatic winding device of the present application;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic cross-sectional view of the automatic winding device of the present application disposed in the second chamber.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The utility model provides a portable rifle that charges with automatically, accomodate function includes rifle head 1, cable 2, control box 3 and plug 4. The charging gun is different from the charging gun in the prior art, and please refer to fig. 1, the invention of the present application is that two chambers are arranged in the control box 3, and the PCBA plate 5 is fixed in the first chamber 31; the automatic winding device 6 is fixed in the second chamber 32. One end part of the cable 2 is connected to the PCBA board 5, the cable 2 is wound on the automatic winding device 6, and the other end of the cable is connected with the gun head 1. So can accomodate the cable in control 3, prevent that external cable from ageing or damaging.
Referring to fig. 1 and 5 in detail, a wire passing hole 33 is formed on the upper plate 321 of the second chamber 32, and the upper plate 321 is recessed inward along an outer side of the wire passing hole 33 to form an upper clip. The lower plate 322 of the second chamber 32 protrudes upward to form a boss 323, and the boss 323 is provided with a rotating shaft 34 extending upward and a lower detent recessed inward along the outer side of the rotating shaft 34. The rotating shaft 34 is provided with a reed fixing structure 7. A key hole 324 is formed on an inner surface of the lower plate 322 of the second chamber 32.
The automatic winding device 6 comprises a winding main body 61, a reed structure 62 and a locking structure 63. Please refer to fig. 2 to 5.
The winding main body 61 has a substantially disk-like structure. The winding body 61 includes a central hole shaft 611, and an upper cover plate 612 and a lower cover plate 613 fixed to both ends of the central hole shaft 611. The upper end of the central hole shaft 611 is clamped in the upper clamp, the lower end of the central hole shaft 611 penetrates through the rotating shaft 34 and is clamped in the lower clamp, and the central hole shaft can rotate relative to the upper clamp and the lower clamp. The lower cover plate 613 is provided with a locking groove 614, and a locking unit slide 615 is provided on an outer surface of the lower cover plate 613 along one side of the locking groove 614.
The reed structure 62 is confined between the upper cover plate 612 and the lower cover plate 613. The reed structure 62 includes a reed 621 and a wrap structure 622. The starting end of the spring 621 is fixedly connected to the spring fixing structure 7, and the spring 621 is wound and limited between the upper cover plate 612 and the lower cover plate 613. The end of the spring 621 is connected to the coating structure 622, and the coating structure 622 is wound around the outside of the spring 621 after being wound so as to isolate the cable 2 from the spring 621. In addition, a cable protection plate 64 is arranged below the upper cover plate 612, and the cable protection plate 64 covers the reed structure to isolate the reed structure and the cable, so as to prevent the reed 621 from cutting the cable 2. The winding body 61 is driven to rotate by the contraction force of the reed structure. The specific operational actions are explained below.
The locking structure 63 includes a locking unit 631, a key shaft 632, and a spring 633. The locking unit 631 is coupled to an upper end of the key shaft 632, the spring 633 fixedly couples a lower end of the key shaft 632 to an inner surface of the lower plate 322 of the second chamber 32, and a lower end of the key shaft 632 passes through the key hole 324. The key shaft 632 includes a vertical key 6321 and an inclined bar 6322 connected to the end of the key 6321, the locking unit 631 is fixed to the other end of the inclined bar 6322, and the key 6321 is parallel to the locking unit 631. The spring 633 is connected to the side of the tilt lever 6322 near the key 6321.
Normally, the locking unit 631 is located in the locking groove 614, the locking unit 631 abuts (locks) the spring structure 62, and the spring structure 62 does not act. As shown in fig. 2, the end of the cable 2 passes through the wire passing hole 33 and is electrically connected to the PCBA board 5. As shown in fig. 2, in order to allow the cable 2 to pass through the wire passing hole 33, a wire passing hole is formed in the cable protection plate 64 and outside the reed covering structure 622. The cable 2 is wound around the winding body 61, and the front end of the cable 2 is connected to the charging gun 1. The color of the outer skin at the tail end of the cable 2 is provided with a warning color different from the color of other places of the cable, so that the cable is prevented from being pulled off when being dragged to the last section, and a user can be warned.
In addition, the pulley 7 is arranged on the lower plate 322 of the second cavity 32, so that the whole dragging can be realized, and the use is convenient. The plug 4 of this application connect in on the PCBA board 5, do the PCBA board 5 power supply. The plug 4 is connected to the PCBA board 5 by a power supply cable wound by the automatic winding device 6 in the same manner as the cable 2. Or to use a short power supply cable directly without storage.
Referring to fig. 2 and 3, in a normal state, the spring 633 pushes the locking unit 631 to be restrained in the winding device slot 614 due to the spring tension, so as to maintain the locking function.
When it is necessary to use the cable 2 for charging, the cable 2 is pulled out from the control box 1. At the same time, the automatic winder 6 rotates with the cable 2 being pulled out, and the spring 621 is tightened. During tightening of the leaf 621, the push-type locking structure 63 is released. Referring to fig. 4, when pressed, the button 6321 is pushed upward, the locking unit 631 performs a lifting motion relative to the winding locking unit slide 12 due to the pulling force of the spring 633, and the winding device slot 614 restricts the reverse motion of the locking unit 631. When the winding body 61 winds one turn, the locking unit 631 slides along the locking unit slide 615 until returning to the winding device slot 614. When the locking unit 631 returns to the winding device clamping groove 614, the spring tension of the spring 633 pushes the locking unit 631 to be limited in the winding device clamping groove 614, the locking function is maintained, the stretching length of the existing cable is ensured, and the existing cable cannot retract into the control box due to the reed. Thus, one paying-off action is completed. If the paying-off is needed again, the paying-off action can be carried out again.
When the cable 2 needs to be stored after use, referring to fig. 5, the locking unit 8 is always in a lifted state by keeping the button 6321 pressed, and the winding body 61 automatically rotates in the reverse direction for multiple turns under the tightening force of the reed 3 until the cable is fully automatically retracted into the control box.
To sum up, the automatic storage device of this application can guarantee that the cable can not independently retract control box after pulling out. The required cable length can be adjusted as required. In addition, the control cassette tape has four wheels, and portable rifle that charges removes along with the wheel rolls, avoids pulling control box and cable, prolongs rifle life that charges. This application adopts the cable end to carry out coloured warning simultaneously, prevents that the cable from pulling out too much from storage device, causes the artificial nature of device to destroy. The control box is simple in structure and limited in improvement on the existing control box.
The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All equivalent changes and modifications of the invention that may occur to those skilled in the art are intended to be covered by the appended claims.

Claims (8)

1. The utility model provides a portable rifle that charges with automatically, accomodate function, its includes rifle head, cable, control box and plug, its characterized in that:
a first cavity and a second cavity are arranged in the control box, and a PCBA control plate is fixed in the first cavity; an automatic winding device is fixed in the second chamber; wherein:
a wire passing hole is formed in the upper plate of the second cavity, and an upper clamping position is inwards recessed along the outer side of the wire passing hole in the upper plate;
the lower plate of the second chamber protrudes upwards to form a boss, a rotating shaft which extends upwards is arranged on the boss, a lower clamping position is inwards recessed along the outer side of the rotating shaft, and a reed fixing structure is arranged on the rotating shaft; a key hole is arranged on the inner surface of the lower plate of the second chamber;
the automatic winding device comprises:
the winding main body is disc-shaped and comprises a central hole shaft, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are fixed at two ends of the central hole shaft; the lower cover plate is provided with a clamping groove, and a locking unit slideway is arranged on the outer surface of the lower cover plate along one side of the clamping groove;
the reed structure is arranged in the winding main body and fixed on the reed fixing structure, and the reed structure is used for driving the winding main body to rotate under the action of the tightening force of the winding main body;
the locking structure comprises a locking unit, a key shaft and a spring, the locking unit is connected to the upper end of the key shaft, the spring fixedly connects the lower end of the key shaft to the inner surface of the lower plate of the second chamber, and the lower end head of the key shaft penetrates through the key hole; under a normal state, the locking unit is positioned in the clamping groove, the locking unit is abutted against the reed structure, and the reed structure does not act;
the tail end of the cable penetrates through the central hole to be electrically connected with the PCBA board, the cable is wound on the winding main body, and the front end of the cable is connected with the charging gun; the color of the outer skin at the end of the cable is provided with a warning color that is different from the color of the outer skin at the other part of the cable.
2. The portable charging gun with automatic storing function as claimed in claim 1, wherein a cable protection plate is provided under the upper cover plate, and covers over the spring structure to isolate the spring structure from the cable.
3. The portable charging gun with automatic storage function according to claim 1, wherein a pulley is provided on the lower plate of the second chamber.
4. The portable charging gun with automatic storage function according to claim 1, wherein the spring structure comprises a spring and a wrapping structure, wherein:
the starting end of the reed is fixedly connected to the reed fixing structure, the reed is wound and wound between the upper cover plate and the lower cover plate, and the rotating shaft is positioned in the middle of the reed;
the tail end of the reed is connected with the coating structure, and the coating structure is wound on the outer side of the wound reed to isolate the cable from the reed.
5. The portable charging gun with the automatic storage function according to claim 1, wherein the key shaft includes a vertical key and a tilting rod connected to a distal end of the key, the locking unit is fixed to the other end of the tilting rod, and the key is parallel to the locking unit.
6. The portable charging gun with the automatic storing function according to claim 5, wherein the spring is attached to a side of the tilting lever near the push button.
7. The portable charging gun with automatic storage function according to claim 1, wherein the plug is connected to the PCBA board to supply power to the PCBA.
8. The portable charging gun with automatic storage function according to claim 1, wherein the plug is connected to the PCBA board by a power supply cable wound by the automatic winding device in the same manner as the cable.
CN201911344569.9A 2019-12-24 2019-12-24 Portable rifle that charges with automatically, accomodate function Active CN113036549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911344569.9A CN113036549B (en) 2019-12-24 2019-12-24 Portable rifle that charges with automatically, accomodate function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911344569.9A CN113036549B (en) 2019-12-24 2019-12-24 Portable rifle that charges with automatically, accomodate function

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Publication Number Publication Date
CN113036549A true CN113036549A (en) 2021-06-25
CN113036549B CN113036549B (en) 2024-07-26

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107123887A (en) * 2017-06-16 2017-09-01 山东优安新能源汽车零部件有限公司 A kind of charging electric vehicle rifle
CN110450669A (en) * 2019-08-21 2019-11-15 贵州源景燃智慧科技有限公司 The charging pile of charge cable and charging gun can be hidden
CN211428507U (en) * 2019-12-24 2020-09-04 米高（上海）汽车配件有限公司 Portable charging gun with automatic storage function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107123887A (en) * 2017-06-16 2017-09-01 山东优安新能源汽车零部件有限公司 A kind of charging electric vehicle rifle
CN110450669A (en) * 2019-08-21 2019-11-15 贵州源景燃智慧科技有限公司 The charging pile of charge cable and charging gun can be hidden
CN211428507U (en) * 2019-12-24 2020-09-04 米高（上海）汽车配件有限公司 Portable charging gun with automatic storage function

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