CN205992629U - Charging plug and the charging pile including this charging plug - Google Patents
Charging plug and the charging pile including this charging plug Download PDFInfo
- Publication number
- CN205992629U CN205992629U CN201620716348.5U CN201620716348U CN205992629U CN 205992629 U CN205992629 U CN 205992629U CN 201620716348 U CN201620716348 U CN 201620716348U CN 205992629 U CN205992629 U CN 205992629U
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- Prior art keywords
- charging
- cam
- charging plug
- mechanical lock
- junction surface
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- 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
- Y02T90/12—Electric charging stations
Abstract
The charging pile that this utility model discloses a kind of charging plug and includes this charging plug, charging plug includes housing and mechanical lock.Mechanical lock has first end, the second end and the pivot point being located between first and second, is formed with the first junction surface in first end.When charging, the leading section of charging plug is plugged on charging socket, and the first junction surface on charging plug is locked together with the second junction surface on charging socket.At the end of charging, the locking between the first junction surface and the second junction surface can be released by the second end of mechanical lock is pressed down on unlocked position.Charging plug also includes the electronic lock being arranged on housing, and this electronic lock includes cam；And driver, it is suitable to driving cam and rotate.When charging, cam is rolled over the primary importance stoping the second end of mechanical lock from being pressed down to unlocked position, thus preventing the first junction surface and the second junction surface by accidental unlocking.Therefore, the positive lock of charging plug can be conveniently realized by the cam of small volume, be conducive to the miniaturization of charging plug, and reduce manufacturing cost.
Description
Technical field
This utility model be related to a kind of charging plug and include this charging plug charging pile, more particularly, to one kind be suitable to
The charging plug of charging electric vehicle and charging pile.
Background technology
Fuel-engined vehicle can give off substantial amounts of pollutant, is the principal element of atmospheric pollution.Particularly international big
City, because the atmosphere polluting problem that fuel-engined vehicle leads to is just more outstanding.For environmental protection, reduce atmospheric pollution.Various countries
All it is being devoted to developing electric automobile, because electric automobile is directly using electric energy, any pollutant will not given off.
Electric automobile needs often to charge, for the ease of to charging electric vehicle, at present, typically by having charging plug
The charging pile of (or referred to as charging gun) is to charging electric vehicle.When charging, charging plug is inserted directly into filling on electric automobile
It is possible to complete the charging of electric automobile on electrical socket, very convenient.
According to Standard, when to charging electric vehicle, in order to ensure charging security, in charging process, charge and insert
Head must reliably lock onto on the charging socket of electric automobile it is impossible to pull up from the charging socket of electric automobile.Existing
In technology, charging plug is generally fitted with mechanical locking and electronic security (or referred to as electronic lock).When charging,
Mechanical locking on charging plug is locked together with the charging socket on electric automobile, and electronic security is by machine
Tool locking device is maintained at lock-out state, to prevent mechanical locking by accidental unlocking.
In the prior art, the electronic security on charging plug typically all adopts electric magnet, straight using electric magnet
Line moves and to realize the positive lock of mechanical locking.But, the space that this electronic security takies is larger, is unfavorable for
The miniaturization of charging plug, and relatively costly.
Utility model content
The purpose of this utility model aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
According to one side of the present utility model, provide a kind of charging plug, including：Housing；And mechanical lock, pivotally pacify
Dress is on the housing.Described mechanical lock has first end, the second end and the pivot point being located between first end and the second end,
First junction surface is formed with described first end.When charging, the leading section of described charging plug is plugged on charging socket,
And the first junction surface on described charging plug is locked together with the second junction surface on described charging socket.In the knot that charges
Shu Shi, can release described first junction surface and described the by the second end of described mechanical lock is pressed down on unlocked position
Locking between two junction surfaces.Described charging plug also includes installing electronic lock on the housing, and described electronic lock includes：
Cam；And driver, it is suitable to drive described cam rotation.When charging, described cam is rolled over stoping described mechanical lock
Second end is pressed down to the primary importance of described unlocked position, thus preventing described first junction surface from engaging with described second
Portion is by accidental unlocking.
According to the embodiment of an exemplary of the present utility model, at the end of charging, described cam is rolled over allowing
Second end of described mechanical lock is pressed down to the second position of described unlocked position, thus allowing to release described first joint
Locking between portion and described second junction surface.
According to the embodiment of another exemplary of the present utility model, when described cam is rolled over described primary importance
When, described cam abuts directly against on the bottom surface at the second end of described mechanical lock, is pressed with the second end stoping described mechanical lock
Under.
According to the embodiment of another exemplary of the present utility model, when described cam is rolled over described primary importance
When, there is between described cam and the bottom surface at the second end of described mechanical lock the first gap, and this first gap is less than institute
The second end stating mechanical lock presses down on gap needed for described unlocked position, with stop the second end of described mechanical lock by
Under be pressed into described unlocked position.
According to the embodiment of another exemplary of the present utility model, when described cam is rolled over the described second position
When, there is between described cam and the bottom surface at the second end of described mechanical lock the second gap, and this second gap is more than institute
The second end stating mechanical lock presses down on gap needed for described unlocked position, to allow the second end quilt of described mechanical lock
Press down on described unlocked position.
According to the embodiment of another exemplary of the present utility model, described driver is micromotor.
According to the embodiment of another exemplary of the present utility model, described cam is directly installed on described micromotor
On output shaft.
According to the embodiment of another exemplary of the present utility model, described charging plug also includes being arranged on described housing
On detection means, described detection means is adapted to detect for the position of described cam.
According to the embodiment of another exemplary of the present utility model, described detection means include mechanical type microswitch and
Detect the testing circuit of the state of described mechanical type microswitch.
According to the embodiment of another exemplary of the present utility model, described detection means includes photoswitch and detection institute
State the testing circuit of the state of photoswitch.
According to the embodiment of another exemplary of the present utility model, when described cam is rolled over described primary importance
When, described cam is not contacted with described microswitch, and described microswitch is off；When described cam is rolled over institute
When stating the second position, described cam presses described microswitch so that described microswitch is switched to from described off-state closes
Conjunction state.
According to the embodiment of another exemplary of the present utility model, when described cam is rolled over described primary importance
When, described cam is not contacted with described microswitch, and described microswitch is in closure state；When described cam is rolled over institute
When stating the second position, described cam press described microswitch so that described microswitch be switched to from described closure state disconnected
Open state.
According to the embodiment of another exemplary of the present utility model, described charging plug also includes being arranged on described housing
On back-moving spring, when on the second end being applied to described mechanical lock pressing force disappear when, described mechanical lock is in described reset
Initial position is returned in the presence of spring.
According to the embodiment of another exemplary of the present utility model, described charging plug is suitable to charging electric vehicle.
According to other side of the present utility model, provide a kind of charging pile, including aforementioned charging plug.
According in foregoing individual embodiments of the present utility model, when cam is rotated to precalculated position it is possible to will
Charging plug reliably locks onto on charging socket.Therefore, charging plug can be conveniently realized by the cam of small volume
Positive lock, is conducive to the miniaturization of charging plug, and reduces manufacturing cost.
By below with reference to accompanying drawing to this utility model description, other objects and advantages of the present utility model will
It is clear that and can help this utility model is fully understood by.
Brief description
Fig. 1 shows the schematic perspective view of the charging plug of the embodiment according to an exemplary of the present utility model；
Fig. 2 shows the schematic perspective view of electronic lock in the charging plug shown in Fig. 1 and detection means；
Fig. 3 shows the sectional view of the charging plug shown in Fig. 1, and wherein, charging plug is in charged state, electronic lock convex
Wheel is in primary importance；
Fig. 4 shows the close-up schematic view of the charging plug shown in Fig. 3, and wherein, charging plug is in charged state, electricity
The cam of son lock is in primary importance；
Fig. 5 shows the schematic perspective view of electronic lock in the charging plug shown in Fig. 3 and detection means, wherein, charges
Plug is in charged state, and the cam of electronic lock is in primary importance；
Fig. 6 shows the sectional view of the charging plug shown in Fig. 1, and wherein, charging plug is in non-charged state, electronic lock
Cam is in the second position；
Fig. 7 shows the close-up schematic view of the charging plug shown in Fig. 6, and wherein, charging plug is in non-charged state,
The cam of electronic lock is in the second position；With
Fig. 8 shows the schematic perspective view of electronic lock in the charging plug shown in Fig. 6 and detection means, wherein, charges
Plug is in non-charged state, and the cam of electronic lock is in the second position.
Specific embodiment
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.?
In description, same or analogous drawing reference numeral indicates same or analogous part.Following real to this utility model referring to the drawings
The explanation applying mode is intended to overall utility model design of the present utility model is explained, and is not construed as to this practicality
A kind of new restriction.
In addition, in the following detailed description, for ease of explaining, elaborate many concrete details to provide to present disclosure
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments can also in the case of not having these details
It is carried out.In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing.
According to general technical design of the present utility model, provide a kind of charging plug, including：Housing；And mechanical lock,
It is pivotally mounted on described housing.Described mechanical lock has first end, the second end and is located between first end and the second end
Pivot point, is formed with the first junction surface in described first end.When charging, the leading section of described charging plug is plugged into be filled
On electrical socket, and the first junction surface on described charging plug is locked in one with the second junction surface on described charging socket
Rise.At the end of charging, can be connect by the second end of described mechanical lock being pressed down on unlocked position releasing described first
Locking between conjunction portion and described second junction surface.Described charging plug also includes installing electronic lock on the housing, institute
State electronic lock to include：Cam；And driver, it is suitable to drive described cam rotation.When charging, described cam is rolled over stoping
Second end of described mechanical lock is pressed down to the primary importance of described unlocked position, thus prevent described first junction surface with
Described second junction surface is by accidental unlocking.
Fig. 1 shows the schematic perspective view of the charging plug of the embodiment according to an exemplary of the present utility model；Fig. 2 shows
Electronic lock 120,130 in charging plug shown in diagram 1 and the schematic perspective view of detection means 140.
As depicted in figs. 1 and 2, in the illustrated embodiment, this charging plug mainly includes housing 100, mechanical lock 110,
Electronic lock 120,130 and detection means 140.Mechanical lock 110 is pivotally mounted on housing 100.Mechanical lock 110 has first
End the 111, second end 112 and the pivot point 113 being located between first end 111 and the second end 112.In mechanical lock 110 first
It is formed with the first junction surface 1110 on end 111.In an embodiment of the present utility model, this first junction surface 1110 can be
Hook part.Electronic lock 120,130 and detection means 140 are arranged on housing 100.
Fig. 3 shows the sectional view of the charging plug shown in Fig. 1, and wherein, charging plug is in charged state, electronic lock convex
Wheel 130 is in primary importance；Fig. 4 shows the close-up schematic view of the charging plug shown in Fig. 3, and wherein, charging plug is in
Charged state, the cam 130 of electronic lock is in primary importance；Fig. 5 show electronic lock 120 in the charging plug shown in Fig. 3,
130 and the schematic perspective view of detection means 140, wherein, charging plug is in charged state, and the cam 130 of electronic lock is in
Primary importance.
As shown in Figures 3 to 5, in the illustrated embodiment, when charging plug is in charged state, before charging plug
End 101 is plugged on charging socket (not shown), and on the first junction surface 1110 and charging socket on charging plug
(not shown) locks together at the second junction surface.
Fig. 6 shows the sectional view of the charging plug shown in Fig. 1, and wherein, charging plug is in non-charged state, electronic lock
Cam 130 is in the second position；Fig. 7 shows the close-up schematic view of the charging plug shown in Fig. 6, wherein, at charging plug
In non-charged state, the cam 130 of electronic lock is in the second position；Show the electronic lock in the charging plug shown in Fig. 6 with Fig. 8
120th, 130 and detection means 140 schematic perspective view, wherein, charging plug is in non-charged state, the cam of electronic lock
130 are in the second position.
As shown in Figure 6 to 8, in the illustrated embodiment, when charging plug is in non-charged state, when pressing machinery
During the second end 112 of lock 110, the first end 111 of mechanical lock 110 will be upturned, so that the first end of mechanical lock 110
The first junction surface 1110 on 111 and the second junction surface on charging socket separate.Therefore, the non-charging shown in Fig. 6 to Fig. 8
State, for example, at the end of charging, can release the by the second end 112 of mechanical lock 110 is pressed down on unlocked position
Locking between one junction surface 1110 and the second junction surface.So, the first junction surface 1110 on charging plug is inserted with charging
The locking between the second junction surface on seat be released from after it is possible to charging plug is pulled up from charging socket.
As shown in Figures 1 to 8, in the embodiment of an exemplary of the present utility model, aforementioned electronic lock 120,130 is main
Cam 130 to be included and driver 120.Cam 130 is arranged on housing 100.Driver 120 is arranged on housing 100, is suitable to
Driving cam 130 rotates.
As shown in Figures 3 to 5, in the illustrated embodiment, when charging plug is in charged state, cam 130 is turned
Move the primary importance stoping the second end 112 of mechanical lock 110 from being pressed down to unlocked position, thus preventing the first junction surface
1110 and second junction surface by accidental unlocking.So, the second end 112 of mechanical lock 110 cannot be pressed down to solution lock-bit
Put, thus the first junction surface 1110 and the second junction surface are reliably held at lock-out state, i.e. reliably protect charging plug
Hold in lock-out state.
In the embodiment of an exemplary of the present utility model, when cam 130 is rolled over primary importance, cam
130 can abut directly against on the bottom surface at the second end 112 of mechanical lock 110, pressed with the second end 112 stoping mechanical lock 110
Under.
In the embodiment of another exemplary of the present utility model, as shown in Figures 3 to 5, when cam 130 is rolled over
During primary importance, can have the first gap of a very little between cam 130 and the bottom surface at the second end 112 of mechanical lock 110, and
And this first gap is less than the gap pressing down on the second end 112 of mechanical lock 110 needed for unlocked position, to stop machinery
Second end 112 of lock 110 is pressed down to unlocked position.
As shown in Figure 6 to 8, when charging plug is in non-charged state, for example, at the end of charging, cam 130 quilt
Turn to the second position, now, as shown in Figure 6 to 8, divide between cam 130 and the bottom surface at the second end 112 of mechanical lock 110
Separate a second larger gap, and this second gap be more than the second end 112 of mechanical lock 110 is pressed down on unblock
Gap needed for position, is pressed down to unlocked position with the second end 112 allowing mechanical lock 110.So, terminate in charging
When so that it may release the lock between the first junction surface 1110 and the second junction surface by pressing the second end 112 of mechanical lock 110
Determine so that charging plug can be pulled up from charging socket.
In the embodiment of an exemplary of the present utility model, as shown in Figures 1 to 8, aforementioned drives 120 can be
Micromotor.Cam 130 can be directly installed on the output shaft 121 of micromotor.
As shown in Figures 1 to 8, in the embodiment of an exemplary of the present utility model, charging plug also includes installing
Detection means 140 on housing 100, this detection means 140 is adapted to detect for the position of cam 130.
In the embodiment of an exemplary of the present utility model, as shown in Figures 1 to 8, this detection means 140 can be wrapped
Include mechanical type microswitch and detection machinery declines and moves the testing circuit of the state switching.When cam 130 is rolled over first
When putting, cam 130 is not contacted with microswitch, and microswitch is off.When cam 130 is rolled over the second position
When, cam 130 pressing microswitch is so that microswitch is switched to closure state from off-state.
But, this utility model is not limited to the embodiment illustrating, in the enforcement of another exemplary of the present utility model
In example, when cam 130 is rolled over primary importance, cam 130 is not contacted with microswitch, and microswitch is in closed form
State；When cam 130 is rolled over the second position, cam 130 pressing microswitch is so that microswitch switches from closure state
To off-state.
Although not shown, in the embodiment of another exemplary of the present utility model, aforementioned detection devices 140 can wrap
Include the testing circuit of the state of photoswitch and detection photoswitch.
In the embodiment of an exemplary of the present utility model, as shown in Figures 1 to 8, charging plug also includes resetting
Spring 150, this back-moving spring 150 is arranged on housing 100.When the pressing force on the second end 112 being applied to mechanical lock 110 disappears
During mistake, mechanical lock 110 returns to initial position in the presence of back-moving spring 150.
In the embodiment of an exemplary of the present utility model, as shown in Figures 1 to 8, aforementioned charging plug be suitable to
Charging electric vehicle or other electrical equipments charge.
In the embodiment of another exemplary of the present utility model, also disclose a kind of charging pile, this charging pile is permissible
Including the charging plug in aforementioned any embodiment.
Charging plug in previous embodiment of the present utility model and charging pile can be used for electric automobile or other electricity
Dynamic equipment charge.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this area
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of the structure described in various embodiments
Independent assortment can be carried out in the case of prominent.
Although being illustrated to this utility model in conjunction with accompanying drawing, the embodiment disclosed in accompanying drawing is intended to this practicality
New preferred implementation is illustrative, and it is not intended that limiting to one kind of the present utility model.
Although some embodiments of this overall utility model design are shown and illustrate, those of ordinary skill in the art will
Understand, in the case of the principle without departing substantially from this overall utility model design and spirit, these embodiments can be made a change, this
The scope of utility model is limited with claim and their equivalent.
It should be noted that word " inclusion " is not excluded for other elements or step, word "a" or "an" is not excluded for multiple.Separately
Outward, any element label of claim should not be construed as limiting scope of the present utility model.
Claims (15)
1. a kind of charging plug, including：
Housing (100)；With
Mechanical lock (110), is pivotally mounted on described housing (100),
Wherein,
Described mechanical lock (110) has first end (111), the second end (112) and is located at first end (111) and the second end (112)
Between pivot point (113), the first junction surface (1110) is formed with described first end (111),
When charging, the leading section (101) of described charging plug is plugged on charging socket, and the on described charging plug
One junction surface (1110) is locked together with the second junction surface on described charging socket,
At the end of charging, can be released by second end (112) of described mechanical lock (110) is pressed down on unlocked position
Locking between described first junction surface (1110) and described second junction surface,
It is characterized in that：
Described charging plug also includes the electronic lock being arranged on described housing (100), and described electronic lock includes：
Cam (130)；With
Driver (120), is suitable to drive described cam (130) to rotate,
When charging, described cam (130) is rolled over stoping second end (112) of described mechanical lock (110) to be pressed downwardly
To the primary importance of described unlocked position, thus preventing described first junction surface (1110) and described second junction surface from surprisingly being solved
Lock.
2. charging plug according to claim 1 it is characterised in that：
At the end of charging, described cam (130) is rolled over allowing second end (112) of described mechanical lock (110) downward
It is pressed into the second position of described unlocked position, thus allowing to release described first junction surface (1110) and described second junction surface
Between locking.
3. charging plug according to claim 2 it is characterised in that：
When described cam (130) is rolled over described primary importance, described cam (130) abuts directly against described mechanical lock
(110), on the bottom surface at the second end (112), it is pressed with the second end (112) stoping described mechanical lock (110).
4. charging plug according to claim 2 it is characterised in that：
When described cam (130) is rolled over described primary importance, the of described cam (130) and described mechanical lock (110)
There is between the bottom surface at two ends (112) the first gap, and this first gap is less than the second end of described mechanical lock (110)
(112) press down on the gap needed for described unlocked position, with stop second end (112) of described mechanical lock (110) by
Under be pressed into described unlocked position.
5. charging plug according to claim 2 it is characterised in that：
When described cam (130) is rolled over the described second position, the of described cam (130) and described mechanical lock (110)
There is between the bottom surface at two ends (112) the second gap, and this second gap is more than the second end of described mechanical lock (110)
(112) press down on the gap needed for described unlocked position, with allow second end (112) of described mechanical lock (110) by
Under be pressed into described unlocked position.
6. charging plug according to claim 1 it is characterised in that：Described driver (120) is micromotor.
7. charging plug according to claim 6 it is characterised in that：Described cam (130) is directly installed on described miniature
On the output shaft (121) of motor.
8. the charging plug according to any one of claim 2-5 it is characterised in that：
Described charging plug also includes the detection means (140) being arranged on described housing (100), described detection means (140)
It is adapted to detect for the position of described cam (130).
9. charging plug according to claim 8 it is characterised in that：Described detection means (140) includes mechanical type fine motion
The testing circuit of the state of switch and the described mechanical type microswitch of detection.
10. charging plug according to claim 8 it is characterised in that：Described detection means (140) include photoswitch and
Detect the testing circuit of the state of described photoswitch.
11. charging plugs according to claim 9 it is characterised in that：
When described cam (130) is rolled over described primary importance, described cam (130) is not contacted with described microswitch,
Described microswitch is off；
When described cam (130) is rolled over the described second position, described cam (130) press described microswitch so that
Described microswitch is switched to closure state from described off-state.
12. charging plugs according to claim 9 it is characterised in that：
When described cam (130) is rolled over described primary importance, described cam (130) is not contacted with described microswitch,
Described microswitch is in closure state；
When described cam (130) is rolled over the described second position, described cam (130) press described microswitch so that
Described microswitch is switched to off-state from described closure state.
13. charging plugs according to claim 1 it is characterised in that：
Described charging plug also includes the back-moving spring (150) being arranged on described housing (100), when being applied to described mechanical lock
(110), when the pressing force on the second end (112) disappears, described mechanical lock (110) is in the presence of described back-moving spring (150)
Return to initial position.
14. charging plugs according to claim 1 it is characterised in that：Described charging plug is suitable to charging electric vehicle.
A kind of 15. charging piles it is characterised in that：The charging that described charging pile is included any one of claim 1-14 is inserted
Head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716348.5U CN205992629U (en) | 2016-07-08 | 2016-07-08 | Charging plug and the charging pile including this charging plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716348.5U CN205992629U (en) | 2016-07-08 | 2016-07-08 | Charging plug and the charging pile including this charging plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205992629U true CN205992629U (en) | 2017-03-01 |
Family
ID=58101539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620716348.5U Active CN205992629U (en) | 2016-07-08 | 2016-07-08 | Charging plug and the charging pile including this charging plug |
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| Country | Link |
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| CN (1) | CN205992629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196136A (en) * | 2017-06-02 | 2017-09-22 | 南京康尼新能源汽车零部件有限公司 | Charging electric vehicle rifle electronics lock uint based on eccentric mechanism |
| CN107834302A (en) * | 2017-10-30 | 2018-03-23 | 深圳市前海博拉图科技有限公司 | Automatic self-locking device for electric automobile DC charging plug |
| CN107919583A (en) * | 2017-11-21 | 2018-04-17 | 邹科寅 | One kind is used for new-energy automobile charging equipment |
-
2016
- 2016-07-08 CN CN201620716348.5U patent/CN205992629U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196136A (en) * | 2017-06-02 | 2017-09-22 | 南京康尼新能源汽车零部件有限公司 | Charging electric vehicle rifle electronics lock uint based on eccentric mechanism |
| CN107196136B (en) * | 2017-06-02 | 2023-05-12 | 南京康尼新能源汽车零部件有限公司 | Electronic locking device of electric automobile charging gun based on eccentric wheel mechanism |
| CN107834302A (en) * | 2017-10-30 | 2018-03-23 | 深圳市前海博拉图科技有限公司 | Automatic self-locking device for electric automobile DC charging plug |
| CN107919583A (en) * | 2017-11-21 | 2018-04-17 | 邹科寅 | One kind is used for new-energy automobile charging equipment |
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