CN219706713U - Automatic receive and release electric charge stake of pencil that charges - Google Patents
Automatic receive and release electric charge stake of pencil that charges Download PDFInfo
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- CN219706713U CN219706713U CN202320427334.1U CN202320427334U CN219706713U CN 219706713 U CN219706713 U CN 219706713U CN 202320427334 U CN202320427334 U CN 202320427334U CN 219706713 U CN219706713 U CN 219706713U
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims abstract description 26
- 230000032683 aging Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a charging pile capable of automatically winding and unwinding a charging wire harness, belongs to the technical field of charging pile equipment, and aims to solve the problem that the charging wire harness in the prior art is exposed and is easy to cause dust accumulation of the wire harness or wind, rain and shower to cause quick aging, and comprises the following components: the front part of the shell is provided with an outlet; the charging device comprises a charging cable, wherein a charging plug is arranged at one end of the charging cable, the other end of the charging cable is a power supply end, and the power supply end is connected with a power supply; the pushing mechanism is arranged in the shell, the charging plug can be pulled out of the shell and penetrates through the outlet by the pushing mechanism, and the pushing mechanism can drive the charging plug to retract into the shell; the cable winding and unwinding mechanism is arranged in the shell and can tighten the charging cable; the plug is placed the piece, and the plug is placed the piece and is installed on push mechanism, and the plug is placed the piece and is provided with keeps away the position groove, keeps away the position groove and agrees with charging plug surface.
Description
Technical Field
The utility model belongs to the technical field of charging pile equipment, and particularly relates to a charging pile capable of automatically winding and unwinding a charging wire harness.
Background
The new energy automobile is an automobile which adopts energy sources except petroleum and gasoline as power sources of an automobile engine, and most of the new energy automobile adopts electric power as the power source of the automobile, so that the new energy automobile is widely popularized in China under a large environment and is used as the new energy automobile taking the electric power as the power source, and the charging pile for auxiliary power supply which is necessary for matching with the new energy automobile is also greatly developed in China, and the charging pile is similar to a oiling machine of a gas station and is mainly used for charging the automobile.
The existing charging pile equipment for auxiliary power supply of the new energy automobile is generally divided into a vertical charging pile or a hanging charging pile, the vertical charging pile or the hanging charging pile are respectively installed on the ground and the wall of a required area, most of the charging pile and power supply equipment inside the charging pile are fixedly installed when the charging pile is installed, and in actual use, the charging pile is mainly installed outdoors and is easy to be irradiated by sunlight for a long time, so that natural aging of the equipment is accelerated.
The utility model discloses a fill electric pile for electric engineering car that is used for of CN218400244U, it includes box, controller, power converter, rifle, operating panel and power cord that charges, power converter is equipped with power module and charges the module, the box is equipped with additional strengthening and temperature suggestion subassembly; according to the utility model, the temperature change of the interior is converted into visible temperature change by setting the temperature color-changing glue and is timely fed back to people, so that people can timely control the temperature in the charging pile, and the prompting performance and safety are improved; the reinforcing structure and the reinforcing groove are arranged to improve the overall strength of the box body, so that the influence of external force on internal components of the box body is reduced, the protection performance is improved, the overall volume of the charging pile is reduced, the weight of the charging pile is lighter, and the charging pile can be flexibly moved and placed; through setting up recess and quick connect structure of placing be convenient for to power converter's quick installation and dismantlement, reduce operating procedure, reduce time improves maintenance inspection and change efficiency, guarantees the normal use of charging pile.
Based on the search of the patent and the discovery of the equipment in the combined prior art, the charging wire harness in the prior art is exposed and is easy to cause dust accumulation or wind, rain and water to cause quick aging.
Accordingly, in view of the above, research and improvement are made on the conventional structure and the conventional defects, and a charging pile for automatically winding and unwinding a charging harness is provided, so as to achieve the purpose of having more practical value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a charging pile capable of automatically winding and unwinding a charging wire harness, so as to solve the problem that the charging wire harnesses in the prior art are exposed and are easy to cause dust accumulation of the wire harnesses or cause rapid aging due to wind, rain and shower.
The utility model discloses a charging pile capable of automatically winding and unwinding a charging wire harness, which is realized by the following specific technical means:
a charging pile for automatically winding and unwinding a charging harness, comprising:
a housing, the front of which is provided with an outlet;
the charging device comprises a charging cable, wherein a charging plug is arranged at one end of the charging cable, a power supply end is arranged at the other end of the charging cable, and the power supply end is connected with a power supply;
the pushing mechanism is arranged in the shell, can pull the charging plug out of the shell and pass through the outlet, and can drive the charging plug to retract into the shell;
the cable winding and unwinding mechanism is arranged in the shell and can tighten the charging cable;
the plug is placed the piece, the plug is placed the piece and is installed on push mechanism, the plug is placed the piece and is provided with keeps away the position groove, keep away the position groove and agree with the charging plug surface.
Further, the cable retracting mechanism comprises a second electric push rod fixedly connected to the shell, a second actuating rod arranged on the second electric push rod, a mounting plate fixedly connected to the bottom of the shell, a chute vertically arranged on the mounting plate, a sliding shaft in the chute in sliding connection, a retracting roller rotatably connected to the sliding shaft, a first rocker arm with one end hinged to the sliding shaft, and two second rocker arms with one end hinged to the second actuating rod, wherein the number of the chute is four, the number of the chute is two in upper portion and lower portion of the mounting plate, one sliding shaft of the chute is correspondingly arranged, the two first rocker arms on the upper portion are connected to form an upper hinge site, the two first rocker arms on the lower portion are connected to form a lower hinge site, the other ends of the two second rocker arms are respectively hinged to the upper hinge site and the lower hinge site, and the positions of the two second rocker arms hinged to the second actuating rod form a middle hinge site.
Further, the pushing mechanism comprises a first electric push rod fixedly connected to the inner wall of the shell, a first actuating rod arranged on the first electric push rod, a sliding support fixedly connected with the first actuating rod, a limiting wheel set arranged on the sliding support, a power device arranged on the sliding support, a clamping wheel set movably connected to the inner end of the sliding support and a sliding bottom plate in sliding connection with the sliding support, wherein the sliding bottom plate is fixedly connected to the shell;
the clamping wheel set comprises a first guide roller and a second guide roller, the first guide roller and the second guide roller can pass through the charging cable, the power device provides rotating power for the limiting wheel set, and the charging cable can be driven to be pulled out and retracted.
Further, the pressure sensing mechanism comprises a pressure supporting rod, a pressure sensor, a pinch roller support and a pressure roller, wherein one end of the pressure supporting rod is fixedly connected with the shell, the pressure sensor is fixedly connected with the other end of the pressure supporting rod, the pinch roller support is fixedly connected with the pressure sensor, the pressure roller is rotatably connected with the pinch roller support, and the pressure roller is in butt joint with a charging cable.
Further, the plug placing block is further provided with a button and a taking object avoiding groove, the button is arranged in the avoiding groove, and the taking object avoiding groove is arranged on two sides of the avoiding groove.
Further, a display screen and switch keys are arranged at the front part of the shell.
Further, the front part of the shell is provided with a cover plate, the lower end face part of the cover plate is hinged with the outlet, a torsion spring is arranged between the cover plate and the shell, and the cover plate and the outlet are in a normally closed state.
Compared with the prior art, the utility model has the following beneficial effects:
the charging pile provided by the utility model can be used for accommodating the charging wire harness into the shell, so that the long-term cleaning of the wire harness can be ensured, the wire harness is not exposed to rainwater and sunlight exposure, and the service life of the wire harness is prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present utility model (a state when the charging plug is not pushed out).
Fig. 2 is a schematic perspective view of the present utility model (a state when the charging plug is pushed out).
Fig. 3 is a schematic cross-sectional perspective view of the present utility model.
Fig. 4 is a schematic perspective view of a combination of a charging cable, a charging plug, a pushing mechanism and a pressure sensing mechanism according to the present utility model.
Fig. 5 is a schematic side view of the combination of the charging cable, the cable winding and unwinding mechanism and the pressure sensing mechanism of the present utility model.
Fig. 6 is a schematic perspective view of the plug placing block of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
the device comprises a shell 1, an outlet 11, a display screen 12, a switch button 13, a cover plate 14, a charging cable 2, a charging plug 21, a power supply end 22, a pushing mechanism 3, a first electric push rod 31, a first actuating rod 311, a sliding support 32, a limiting wheel set 33, a power device 34, a clamping wheel set 35, a first guide roller 351, a second guide roller 352, a sliding bottom plate 36, a cable retracting mechanism 4, a second electric push rod 40, a second actuating rod 401, a mounting plate 41, a sliding groove 42, a sliding shaft 43, a retracting roller 44, a first rocker arm 45, a lower hinge point 46, an upper hinge point 47, a second rocker arm 48, a middle hinge point 49, a pressure sensing mechanism 5, a pressure strut 51, a pressure sensor 52, a pinch roller bracket 53, a pressure roller 54, a plug placing block 6, a position avoiding groove 61, a button 62 and a fetching position avoiding groove 63.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 6:
the utility model provides a charging pile capable of automatically winding and unwinding a charging wire harness, which comprises the following components:
a housing 1, the front of the housing 1 being provided with an outlet 11;
the charging device comprises a charging cable 2, wherein a charging plug 21 is arranged at one end of the charging cable 2, a power supply end head 22 is arranged at the other end of the charging cable 2, and the power supply end head 22 is connected with a power supply;
the pushing mechanism 3, the pushing mechanism 3 is arranged in the shell 1, the pushing mechanism 3 can pull the charging plug 21 out of the shell and pass through the outlet 11, and the pushing mechanism 3 can drive the charging plug 21 to retract into the shell 1;
the cable winding and unwinding mechanism 4 is arranged in the shell 1, and the cable winding and unwinding mechanism 4 can tighten the charging cable 2;
the plug placing block 6, the plug placing block 6 is installed on the pushing mechanism 3, the plug placing block 6 is provided with a clearance groove 61, and the clearance groove 61 is matched with the outer surface of the charging plug 21.
The plug placement block 6 in this embodiment can be pushed out by the pushing mechanism 3, so that a user can take out the charging plug 21 from the plug placement block 6 and insert the charging plug into a new energy vehicle for charging, and the cable collecting and releasing mechanism 4 is a structure for collecting the charging cable 2.
The cable retracting mechanism 4 comprises a second electric push rod 40 fixedly connected to the shell 1, a second actuating rod 401 arranged on the second electric push rod 40, a mounting plate 41 fixedly connected to the bottom of the shell 1, a sliding groove 42 vertically arranged on the mounting plate 41, a sliding shaft 43 slidingly connected in the sliding groove 42, a retracting roller 44 rotatably connected to the sliding shaft 43, a first rocker 45 with one end hinged to the sliding shaft 43, and two second rocker arms 48 with one end hinged to the second actuating rod 401, wherein the sliding groove 42 is provided with four, the sliding groove 42 is distributed at the upper part and the lower part of the mounting plate 41, one sliding shaft 43 of the sliding groove 42 is correspondingly arranged, the two first rocker arms 45 at the upper part are connected to form an upper hinge point 47, the two first rocker arms 45 at the lower part are connected to form a lower hinge point 46, the other ends of the two second rocker arms 48 are respectively hinged with the upper hinge point 47 and the lower hinge point 46, and the positions of the two second rocker arms 48 hinged to the second actuating rod 401 form a middle hinge point 49.
The cable winding and unwinding mechanism 4 is divided into two actions of winding and unwinding. When the charging cable is wound, the second actuating rod 401 pushes the two second rocker arms 48, so that the included angle of the two second rocker arms 48 is gradually increased until the included angle is 180 degrees, at the moment, the included angle of the two upper first rocker arms 45 or the included angle of the two lower first rocker arms 45 are also increased, at the moment, the distance between the four winding and unwinding rollers 44 is gradually increased to the maximum, and the charging cable 2 wound on the winding and unwinding rollers 44 is tensioned, namely in a winding state, and meanwhile, the power device 34 drives the charging cable 2 to be recovered. In contrast to the wire winding process, the second actuating rod 401 pulls back the two second rocker arms 48, so that the included angle between the two second rocker arms 48 is gradually reduced, at this time, the included angle between the two first rocker arms 45 at the upper part or the two first rocker arms 45 at the lower part is also reduced, at this time, the distances between the four winding and unwinding rollers 44 are gradually reduced, and thus the charging cable 2 wound on the winding and unwinding rollers 44 is in a loose state, namely in a wire winding state, and meanwhile, the power device 34 drives the charging cable 2 to be pulled outwards.
It should be noted that the number of the wire winding mechanisms can be increased according to the length of the wire winding.
The pushing mechanism 3 comprises a first electric push rod 31 fixedly connected to the inner wall of the shell 1, a first actuating rod 311 arranged on the first electric push rod 31, a sliding support 32 fixedly connected with the first actuating rod 311, a limit wheel set 33 arranged on the sliding support 32, a power device 34 arranged on the sliding support 32, a clamping wheel set 35 movably connected to the inner end of the sliding support 32, and a sliding bottom plate 36 in sliding connection with the sliding support 32, wherein the sliding bottom plate 36 is fixedly connected to the shell 1;
the clamping wheel set 35 comprises a first guide roller 351 and a second guide roller 352, the first guide roller 351 and the second guide roller 352 can drive the charging cable 2 to be pulled out and retracted by rotating the power device 34 to the limiting wheel set 33 through the charging cable 2.
The pushing mechanism 3 is used for pushing out and retracting the important structure of the charging plug 21, the limiting wheel set 33 limits the displacement of the charging cable 2 in the vertical and horizontal directions, the power device 34 provides power for the movement of the charging cable 2, and the clamping wheel set 35 prevents friction with the sliding bracket 32 when the charging cable 2 moves.
The charging device further comprises a pressure sensing mechanism 5, wherein the pressure sensing mechanism 5 comprises a pressure strut 51, a pressure sensor 52, a pinch roller support 53 and a pressure roller 54, one end of the pressure strut 51 is fixedly connected to the shell 1, the other end of the pressure strut 51 is fixedly connected with the pressure sensor 52, the pinch roller support 53 is fixedly connected to the pressure sensor 52, the pressure roller 54 is rotatably connected to the pinch roller support 53, and the pressure roller 54 is in butt joint with the charging cable 2.
Wherein the pressure sensing means 5 is arranged for detecting whether the charging cable 2 is subjected to a pulling force.
The plug placing block 6 is also provided with a button 62 and a taking object avoiding groove 63, the button 62 is arranged in the avoiding groove 61, and the taking object avoiding groove 63 is arranged on two sides of the avoiding groove 61.
Wherein the clearance groove 61 facilitates placement of the charging plug 21, and the button 62 is used for detecting whether the charging plug 21 is taken or replaced.
The front part of the housing 1 is provided with a display 12 and switch keys 13.
The display 12 is configured to facilitate payment operations when the user is charging. The switch button 13 opens the cover 14 and pushes out the pushing mechanism 3.
The front part of the shell 1 is provided with a cover plate 14, the lower end face part of the cover plate 14 is hinged with the outlet 11, a torsion spring is arranged between the cover plate 14 and the shell 1, and the cover plate 14 and the outlet 11 are in a normally closed state.
And the device is provided with a controller for controlling the start and stop of the display 12, the power unit 34, the first electric push rod 31, the second electric push rod 40, and the signals of the switch key 13, the receiving button 62 and the pressure sensor 52. At the same time the controller calculates the charge based on the electrical energy consumed by the charge and displays a cash register on the display 12.
Specific use and action of the embodiment:
when the charging device is used, firstly, the device is started through the switch key 13, the cover plate 14 is opened, the pushing mechanism 3 is pushed out, a user takes down the charging plug 21 and pulls the charging cable 2, the pressure sensing mechanism 5 detects that the charging cable 2 is pulled, the power device 34 is started to pull out the charging cable 2, meanwhile, the cable collecting and releasing mechanism 4 is started to pay, after charging is completed, the user pays by scanning a payment code appearing on the display screen 12, meanwhile, the charging plug 21 is put back into the avoidance groove 61, the sliding support 32 is retracted from the outlet 1, meanwhile, the button 62 is pressed, the power device 34 is retracted into the charging cable 2, and meanwhile, the cable collecting and releasing mechanism 4 is started to collect wires.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. Automatic receive and release electric pile that fills of pencil that charges, its characterized in that: comprising the following steps:
a housing (1), wherein an outlet (11) is arranged at the front part of the housing (1);
the charging device comprises a charging cable (2), wherein a charging plug (21) is arranged at one end of the charging cable (2), a power supply end head (22) is arranged at the other end of the charging cable (2), and the power supply end head (22) is connected with a power supply;
the pushing mechanism (3) is arranged in the shell (1), the pushing mechanism (3) can pull the charging plug (21) out of the shell and pass through the outlet (11), and the pushing mechanism (3) can drive the charging plug (21) to retract into the shell (1);
the cable winding and unwinding mechanism (4), the cable winding and unwinding mechanism (4) is arranged in the shell (1), and the cable winding and unwinding mechanism (4) can tighten the charging cable (2);
the plug placing block (6), the plug placing block (6) is installed on the pushing mechanism (3), the plug placing block (6) is provided with a clearance groove (61), and the clearance groove (61) is matched with the outer surface of the charging plug (21).
2. The charging stake of automatic retraction of a charging harness as claimed in claim 1, wherein: the cable retracting mechanism (4) comprises a second electric push rod (40) fixedly connected to the shell (1), a second actuating rod (401) arranged on the second electric push rod (40), a mounting plate (41) fixedly connected to the bottom of the shell (1), a sliding groove (42) vertically arranged on the mounting plate (41), a sliding shaft (43) slidingly connected in the sliding groove (42), a retracting roller (44) rotationally connected to the sliding shaft (43), a first rocker arm (45) with one end hinged to the sliding shaft (43), two second rocker arms (48) with one end hinged to the second actuating rod (401), four sliding grooves (42) are arranged, the sliding groove (42) is distributed at two upper parts and two lower parts of the mounting plate (41), one sliding shaft (43) is correspondingly arranged, the two first rocker arms (45) on the upper parts are connected to form an upper hinge point (47), the two first rocker arms (45) on the lower parts are connected to form a lower hinge point (46), and the two second rocker arms (48) are hinged to the two second rocker arms (48) on the upper hinge point (47) and the two second rocker arms (48) respectively.
3. The charging stake of automatic retraction of a charging harness as claimed in claim 1, wherein: the pushing mechanism (3) comprises a first electric push rod (31) fixedly connected to the inner wall of the shell (1), a first actuating rod (311) arranged on the first electric push rod (31), a sliding support (32) fixedly connected with the first actuating rod (311), a limit wheel set (33) arranged on the sliding support (32), a power device (34) arranged on the sliding support (32), a clamping wheel set (35) movably connected to the inner end of the sliding support (32) and a sliding bottom plate (36) in sliding connection with the sliding support (32),
the sliding bottom plate (36) is fixedly connected to the shell (1);
the clamping wheel set (35) comprises a first guide roller (351) and a second guide roller (352), the first guide roller (351) and the second guide roller (352) can pass through the charging cable (2), and the power device (34) provides rotating power for the limiting wheel set (33) and can drive the charging cable (2) to be pulled out and retracted.
4. The charging stake of automatic retraction of a charging harness as claimed in claim 1, wherein: the pressure sensing device is characterized by further comprising a pressure sensing mechanism (5), wherein the pressure sensing mechanism (5) comprises a pressure strut (51) with one end fixedly connected to the shell (1), a pressure sensor (52) fixedly connected with the other end of the pressure strut (51), a pinch roller support (53) fixedly connected to the pressure sensor (52) and a pressure roller (54) rotatably connected to the pinch roller support (53), and the pressure roller (54) is abutted to the charging cable (2).
5. The charging stake of automatic retraction of a charging harness as claimed in claim 1, wherein: the plug placing block (6) is further provided with a button (62) and a taking object avoiding groove (63), the button (62) is arranged in the avoiding groove (61), and the taking object avoiding groove (63) is arranged on two sides of the avoiding groove (61).
6. The charging stake of automatic retraction of a charging harness as claimed in claim 1, wherein: a display screen (12) and switch keys (13) are arranged at the front part of the shell (1).
7. The charging stake of automatic retraction of a charging harness as claimed in claim 1, wherein: the front part of the shell (1) is provided with a cover plate (14), the lower end face part of the cover plate (14) is hinged with the outlet (11), a torsion spring is arranged between the cover plate (14) and the shell (1), and the cover plate (14) and the outlet (11) are in a normally closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320427334.1U CN219706713U (en) | 2023-03-08 | 2023-03-08 | Automatic receive and release electric charge stake of pencil that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320427334.1U CN219706713U (en) | 2023-03-08 | 2023-03-08 | Automatic receive and release electric charge stake of pencil that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219706713U true CN219706713U (en) | 2023-09-19 |
Family
ID=87998218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320427334.1U Active CN219706713U (en) | 2023-03-08 | 2023-03-08 | Automatic receive and release electric charge stake of pencil that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219706713U (en) |
-
2023
- 2023-03-08 CN CN202320427334.1U patent/CN219706713U/en active Active
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