CN107834302A - Automatic self-locking device for electric automobile DC charging plug - Google Patents
Automatic self-locking device for electric automobile DC charging plug Download PDFInfo
- Publication number
- CN107834302A CN107834302A CN201711036743.4A CN201711036743A CN107834302A CN 107834302 A CN107834302 A CN 107834302A CN 201711036743 A CN201711036743 A CN 201711036743A CN 107834302 A CN107834302 A CN 107834302A
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- China
- Prior art keywords
- self
- microswitch
- electric automobile
- cam
- charging plug
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Classifications
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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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
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Abstract
The invention discloses a kind of automatic self-locking device for electric automobile DC charging plug, including a self-locking buckle, the first microswitch and the second microswitch are set in the housing, and a motor；First microswitch is contacted with the self-locking buckle bottom surface, and a cam is connected between second microswitch and the motor；The self-locking buckle includes a buckling end, and one from lock end；Under use state, cam described in the motor control is rotated up, and is moved upwards from lock end described in promotion so that the buckling end is in the lock state；Under original state, cam described in the motor control rotates down, and is moved downward described in drive from lock end so that the buckling end is in released state.The present invention can be automatically performed the function of locking and unblock in the swapping process of electric automobile DC charging plug, and then ensure safe and reliable, additionally it is possible to realize produced modularization in batches, simplify installation procedure, and then effectively improve efficiency of assembling.
Description
Technical field
It is more particularly to a kind of to be used for electric automobile direct current the present invention relates to the technical field of electric automobile DC charging device
The automatic self-locking device of charging plug.
Background technology
Electric automobile DC charging is because charging current is larger (generally higher than 100A), the band electric mortiser of user in charging process
Pulling out operation easily causes unnecessary accident to occur, and therefore, needs this maloperation phenomenon of absolute prohibition to occur.
However, conventional mode is mainly, plug prevents from using by the engagement sequence of long and short hands terminal in controller plug
The hot plugging at family, but it was verified that because the plug speed of user is uncontrollable, so can not be complete by this mode
The full phenomenon for preventing hot plugging occurs；In addition, electric automobile DC charging plug self-locking device in the market still needs to grasp
Complete locking and unblock are just can ensure that after making human users, full automatic locking and unblock can not be realized at all, and assemble journey
Sequence is cumbersome, causes installation effectiveness low.Therefore, existing electric automobile DC charging plug directly affects using effect and overall dress
With efficiency.
In view of the above problems, those skilled in the art, which is badly in need of providing one kind, is not only simple in structure, securely and reliably and conveniently
The Full-automatic self-locking device of the electric automobile DC charging plug of installation.
The content of the invention
Technical problems to be solved by the invention overcome the deficiencies in the prior art, there is provided one kind is filled for electric automobile direct current
The automatic self-locking device of plug, locking and unblock can be automatically performed in the swapping process of electric automobile DC charging plug
Function, and then ensure safe and reliable, additionally it is possible to realize produced modularization in batches, simplify installation procedure, and then effectively improve
Efficiency of assembling.
Technical scheme provided by the invention is as follows：
A kind of automatic self-locking device for electric automobile DC charging plug, it is arranged on electric automobile DC charging plug
On, electric automobile DC charging plug one end sets a plug, and the plug is connected and charged with electric automobile, including：
Housing, the housing is interior to set a self-locking buckle, the first microswitch and the second microswitch, and one is used to carry
For the motor of power；
The self-locking buckle includes a buckling end for being used for charging socket and the plug on connecting electric automobile, Yi Jiyi
From lock end；
First microswitch, second microswitch and the motor are arranged at the self-locking card side of detaining,
First microswitch is pressed by the self-locking buckle and triggered, and it is convex that one is connected between second microswitch and the motor
Wheel, and triggered by the cam, the cam is used to promote the described of self-locking buckle to be moved up and down from lock end；
Under use state, cam described in the motor control is rotated up, and is moved upwards from lock end described in promotion so that
The buckling end is in the lock state；Under original state, cam described in the motor control rotates down, and drives the self-locking
End moves downward so that the buckling end is in released state.
In the technical program, whole self-locking device is arranged to by an entirety by a housing, can so realize module
Change batch production, simplify installation procedure, and then be effectively reduced production cost, improve installation effectiveness.Simultaneously by being arranged on shell
Internal the first microswitch and the second microswitch, and a motor, monitor whole electric automobile DC charging plug in real time
Working condition.More optimizedly being transported up and down from lock end progress for self-locking buckle is efficiently controlled using the cam being arranged on motor
It is dynamic, so that buckling end switches in the state for locking and unlocking, realize that electric automobile DC charging plug is plugging
During be automatically performed locking and unblock function, be effectively prevented from it is powered in the case of operating personnel by mistake DC charging plug is entered
Row operation, and then improve safety in utilization.
Preferably, the self-locking snaps through a pair of engaging body and a rotating shaft, and one be set in spring in rotating shaft with
Housing connection, a pair of engaging body are located at the buckling end and described between lock end；
Under original state, moved downward by the way that the elastic restoring force promotion of the spring is described from lock end, and cause described
Buckling end is in released state.
In the technical program, self-locking snaps through a pair of engaging body and a rotating shaft, and one is set in spring in rotating shaft
Realize the connection with housing.It can ensure to be rotated by axle center of rotating shaft, additionally it is possible to using the spring restoring force of spring cause
Self-locking is buckled under original state, is moved downward from lock end, and buckling end is constantly in released state, effectively further avoids
Operating personnel operate to DC charging plug by mistake in the case of powered, and then improve safety in utilization.
It is further preferred that being also arranged sleeve in the rotating shaft, a spring, described sleeve pipe are arranged in described sleeve pipe
And the spring is fastened between a pair of engaging body.
In the technical program, sleeve is arranged in rotating shaft, and spring is the outside for being set in sleeve pipe, so not only can be with
Ensure that spring smoothly rotates, the service life of rotating shaft can also be extended.
It is further preferred that a pair engaging body for the self-locking buckle two opposite sides side towards the housing direction
One first projection and the second projection of extension, first projection are provided with first through hole, and second projection is provided with second
Through hole；
The first through hole and second through hole run through for the rotating shaft, and the first through hole aperture is more than described
Second through-hole aperture.
In the technical program, a pair of engaging body of setting can ensure that rotating shaft is smoothly rotated, and a pair of engaging body
The purpose of through hole of upper setting is in order to which rotating shaft runs through, while the card of sleeve is provided as using by different realize in aperture, so as to protect
It is difficult for drop-off after card sleeve installation, improve the stability of connection.
Preferably, a position limiting structure is set in the housing, and the position limiting structure is used to limit the cam rotation scope.
In the technical program, the position limiting structure of setting, it is therefore an objective to the slewing area of cam is limited by position limiting structure, is made
Cam all the time from side do upwards, move downward, can also be effectively prevented under use state to self-locking buckle from lock end
Loosened when being abutted, to bringing potential safety hazard under charged state.
Preferably, the side of the cam and the motor connection, opposite side is close to second microswitch；
Under use state, the side wall of the cam is unclamped with second microswitch；Under original state, the cam
Side wall is extruded second microswitch.
In the technical program, by the annexation between cam and motor and the second microswitch, effectively pass through
The state of second jogging switches measurement cam, so as to realize being turned on and off for controlled motor.
Preferably, first microswitch includes the first microswitch push-button, be arranged on first microswitch by
It is used for the metal clips snapped connection with the self-locking on button, and connection charging pile is used for the first sensing line of heat transfer agent
Road.
Preferably, second microswitch includes the second microswitch push-button, and connection charging pile is used to sense letter
Second sense line of breath.
Preferably, a solution lockhole, the housing of the unblock hole position at the corresponding cam are opened up on the housing
On wall, it is used to push or pull on the cam rotation by solving lockhole.
Preferably, an indicator lamp is also set up on the housing, the indicator lamp is used to show that the electric automobile direct current fills
The working condition of plug.
A kind of automatic self-locking device for electric automobile DC charging plug provided by the invention, can bring it is following extremely
A kind of few beneficial effect：
1st, the present invention is opened by the motor and two microswitches that are set in the housing of self-locking device using fine motion
The sense line of pass enters the transmission of row information, so as to by the working condition of the information controlled motor of transmission, so utilize two
Microswitch is respectively intended to detect the working condition of self-locking buckle and motor, to prevent user from plugging, improves security performance,
In use, the rotational band moving cam rotation of motor ejects self-locking buckle from lock end, realizes its buckling end simultaneously
Auto lock, it is effectively prevented under electriferous state arbitrarily pressing self-locking buckle.The mode that this machinery is combined with electronics, completely Du
The phenomenon of user's hot plugging absolutely, substantially increase the safety and reliability of product.
2nd, in the present invention, self-locking buckle and housing are by a pair of engaging body and rotating shaft, and the spring being set in rotating shaft
It is attached, so on the basis of stable connection is ensured, also improves the smoothness of axis of rotation, while utilize the elasticity of spring
Restoring force so that in an initial condition, buckling end is constantly in released state to electric automobile DC charging plug, further avoids
The maloperation of operating personnel.
3rd, the present invention is by the position limiting structure that is set in housing, so as to define cam rotation scope so that cam to
Lower rotation, and the second microswitch is extruded；Cam unclamps with the second microswitch when being rotated up, utilizes both
Between extruding or unclamp effectively detect cam turned position, ensure different conditions under realize different functions.
4th, the present invention is to prevent in motor rotation process, cam can not cycle (occur cam stuck phenomenon), the present invention
A solution lockhole is preset on the housing at cam, can so be entered by solving lockhole by pushing or pull on cam
Row turn, make its cam return.
5th, the present invention makes whole self-locking device by self-locking buckle and motor, two microswitch integrated settings in housing
Modularization, it is easy to be assemblied on electric automobile DC charging plug body, so as to improve production efficiency, reduces production cost.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to being filled for electric automobile direct current
Above-mentioned characteristic, technical characteristic, advantage and its implementation of the automatic self-locking device of plug are further described.
Fig. 1 is that the present invention inserts for the automatic self-locking device of electric automobile DC charging plug installed in electric automobile direct current
Structural representation on head；
Fig. 2 is the automatic self-locking device structural representation that the present invention is used for electric automobile DC charging plug；
Fig. 3 is the automatic self-locking device decomposition texture schematic diagram that the present invention is used for electric automobile DC charging plug；
Fig. 4 is by the structural representation after motor and cam installation in Fig. 3；
Fig. 5 is that the present invention shows for cutting structure under the automatic self-locking device original state of electric automobile DC charging plug
It is intended to；
Fig. 6 is that the present invention shows for cutting structure under the automatic self-locking device use state of electric automobile DC charging plug
It is intended to；
Drawing reference numeral explanation：
DC charging plug 1；
Charging plug 2；
Self-locking device 3；
Housing 31；Indicator lamp 311；Wire hole 312；Solve lockhole 313；
Self-locking buckle 32；Buckling end 321；From lock end 322；First projection 323；First through hole 324；Rotating shaft 325；Sleeve pipe
326；Torque spring 327；
First microswitch 33；First microswitch push-button 331；Metal clips 332；First sense line 333；
Second microswitch 34；Second microswitch push-button 341；Second sense line 342；
Motor 35；Cam 36；Position limiting structure 37；Support frame 38；
Control circuit 4.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, control is illustrated below
The embodiment of the present invention.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically show in each figure, but do not represent it
Practical structures as product.
In an embodiment of the present invention, it is a kind of automatic self-locking for electric automobile DC charging plug that master is to be protected
Device 3, the device are mainly provided on electric automobile DC charging plug, are set in electric automobile DC charging plug one end
One plug, after plug is connected with electric automobile and proceed by charging.
Referring to shown in Fig. 1-6, the specific self-locking device 3 includes a housing 31, and be arranged in housing 31 from
Pintle hook lock buckles 32, the first microswitch 33 and the second microswitch 34, and one is used for the motor 35 that provides power.Wherein, set
Self-locking buckle 32 include a buckling end 321 for being used for charging socket and charging plug 2 on connecting electric automobile, and a self-locking
End 322, buckling end 312 and it is integrally formed from lock end 322 in the present embodiment, and housing 31 can be buckled into by two parts, see
Shown in Fig. 3.During specific installation, the first microswitch 33, the second microswitch 34, and motor 35 are arranged at self-locking buckle
32 lower sections, the first microswitch 33 for ensureing to set are contacted with the bottom surface of self-locking buckle 32, can so pressed by self-locking buckle 32
Pressure the first microswitch 33 of triggering, and a cam 36 is connected between the second microswitch 34 and motor 35, the mesh of cam 36 is set
Be to promote self-locking buckle 32 to be carried out under upward, downward motion state from lock end 322 by the rotation of cam 36
Switching, it is final to cause buckling end 312 to realize automatic locking and the unblock (company of charging socket and charging plug 2 i.e. on electric automobile
Connect and unclamp), while second microswitch 34 is extruded using cam 36 and triggers the second microswitch 34 and is started working.
Under use state (i.e. under charged state), motor 35 starts and controls cam 36 to be rotated up, and then utilizes cam
36 promotions are moved upwards from lock end 322, while cause buckling end 321 moves downward to be in the lock state, as shown in Figure 6.Now,
Self-locking buckle 32 can be abutted from lock end 322 by cam 36, avoid buckling end 321 under charged state from loosening and can not reach
To fully locked；Under original state, motor 35 is closed, and cam 36 is in downward state, now, from lock end 322
Also it is downward so that motion is in released state to buckling end upwards, can so be effectively prevented under original state, electric automobile direct current
Charging plug is in the generation of powered situation, as shown in Figure 5.
In the present embodiment, referring again to shown in Fig. 3-6, understandable is the rotation of cam 36, is mainly used for changing
Become the position of self-locking buckle 32, and then realize and locking and switched under released state.Therefore, self-locking buckle 32 ensure with
On the basis of the stable connection of housing 31, also need to meet that from lock end 322 upward, downward motion can be carried out, be finally reached buckling end
321 automatic locking and unblock.So in the application, by self-locking buckle 32 by a pair of engaging body and a rotating shaft 325, and
The spring being set in rotating shaft 325 realizes the connection with housing 31, and the set location of a pair of engaging body is located at buckling end 321
With between lock end 322.Wherein, it should be noted that spring is preferably torque spring 327 in the present embodiment, by torsion during installation
Spring 327 is set in rotating shaft.Purpose is using torque spring 327 when being moved downward from lock end 322, in torque spring
Buckling end 321 is always maintained under 327 elastic restoring force in the unlocked state, to efficiently avoid operating personnel's maloperation.
So in a state of use (i.e. under charged state), motor 35 starts and controls cam 36 to be rotated up, Jin Erli
Overcome acting force of the spring to promote from lock end 322 with cam 36 to move upwards so that buckling end 321 is in the lock state；Initial shape
Under state, motor 35 is closed, and cam 36 is in downward state, now, under the force of a spring from lock end 322 to
Under so that buckling end is in released state.
Certainly in other embodiments, torque spring 327 can be substituted for yi word pattern spring, yi word pattern spring one during installation
End withstands on optional position between buckling end 321 and rotating shaft 325, and the other end of yi word pattern spring is fastened on housing 31, and then
Buckling end 321 is withstood in realization, and the setting of the structure only needs to meet that buckling end 321 is always maintained in the unlocked state under original state
(being lifted up state), just no longer repeat one by one in the application.
In this embodiment, it is preferred that self-locking buckle 32 is respectively provided with a block from lock end 322 and buckling end 321 and (set
Put the projection at both ends), contact area with cam 36 so can be improved by block from lock end 322, ensure its stable connection
Property；And the block of buckling end 321 charging socket on electric automobile can be fastened with DC charging plug 1 it is more firm.
Sleeve 326 is further arranged in rotating shaft 325 simultaneously, and torque spring 327 is arranged on sleeve pipe 326, so completes peace
After dress, sleeve pipe 326 and torque spring 327 are fastened between a pair of engaging body.So not only simplify installation procedure, and ensure that
The stability of connection, additionally it is possible to ensure that rotating shaft 325 can be rotated smoothly, the service life of rotating shaft 325 can be extended.
Wherein it should be noted that in the application, during to ensure that whole self-locking buckle 32 with rotating shaft 325 is axis rotation more
It is stable, specifically a pair of engaging body are arranged to the two opposite sides side of self-locking buckle 32 extend towards the direction of housing 31 it is first convex
The projection of block 323 and second (is arranged on the opposite side of the first projection 323, do not indicated in figure), while is provided with the first projection 323
First through hole 324, the second projection are provided with the second through hole, and as shown in Figure 3, the through hole of first through hole 324 and second is used for sleeve pipe 326
Therefrom penetrated through rear rotating shaft 325 from sleeve pipe 326.Certainly in other embodiments, also further preferably first can be led to
What the aperture of hole 324 was set is more than the second through-hole aperture, can so ensure that the sleeve pipe 326 after running through is difficult for drop-off and get off.Only need reality
Now the fixing of sleeve 326, specific set-up mode are set according to the demand of actual processing technique.
In the present embodiment, referring again to shown in Fig. 3,4, the main function of cam 36 of setting is the rotation in motor 35
Under, drive its rotation, and by the particularity of the structure of cam 36, the change from the position of lock end 322 to self-locking buckle 32 is realized,
It is finally reached the change of the state to buckling end 321.So position and the direction of rotation that cam 36 is set serve key
Property effect, in this application, a position limiting structure 37 is further set, specific position limiting structure 37 is sets in the housing 31
A projection in housing 31, while setting and 36 corresponding neck of cam on projection, can so pass through the limit of setting
Bit architecture 37, the slewing area of cam 36 is effectively defined, in the direction of the rotation by motor 35, ensure use state
Under, cam 36 always props up self-locking buckle 32 from lock end 322, avoids buckling end 321 from loosening and is unable to reach locking state.
Wherein, it should be noted that in actual installation, the side of cam 36 is connected with the rotating shaft 325 of motor 35, and it is another
Side is close to the second microswitch 34, and so in a state of use, motor 35 controls cam 36 to rotate, i.e., the diameter of cam 36 compared with
Big one side is rotated up (i.e. towards the direction of self-locking buckle 32), and now the side wall of cam 36 applies to the second microswitch 34
Extruding force is unclamped；When under original state, motor 35 stops operating, one side that the diameter of cam 36 is big is rotated down (i.e. towards shell
The bottom direction of body 31), while the side wall of cam 36 is extruded the second microswitch 34, can so be opened by the second fine motion
34 are closed by the power of cam 36 to be sent out the problem of judging the state in which of self-locking buckle 32, be effectively prevented from operating personnel's maloperation
It is raw.
In the present embodiment, the first microswitch 33 of setting includes the first microswitch push-button 331, and it is micro- to be arranged on first
It is used for the metal clips 332 being connected with self-locking buckle 32 on dynamic shift knob 331, and connection charging pile is used for heat transfer agent
First sense line 333, referring to shown in Fig. 3,5,6.The second microswitch 34 includes the second microswitch push-button 341 simultaneously, with
And (it is functionally similar to the fuel charger inside gas station to connection charging pile, can be fixed on ground or wall, is installed on public build
Build in (public building, market, Public Parking etc.) and residential area parking lot or charging station, can be according to different voltage etc.
Level is the charging electric vehicle of various models.) it is used for the second sense line 342 of heat transfer agent.
When actually implementing, when electric automobile meets charge condition set in advance, operating personnel are in hand-held charging plug
Operation, when DC charging plug 1 is inserted into automobile charging socket 2, vehicle end can be by self-locking device 3 by buckling end 321
Fixation is locked, and at the same time vehicle end can (charging plug have connected by contact CC1 and the CC2 transmission signal of DC charging plug 1
Connect confirmation) give the self-locking of DC charging plug 1 by control circuit 4 (circuit for connecting motor 35) again to feeder ear, feeder ear
The signal of motor 35 in device 3, rotates the cam 36 of motor 35, and jack up self-locking buckle 32 from lock end 322, complete self-locking
The locking of buckle 32.
When electric automobile is unsatisfactory for charge condition or operating personnel implement stopping charging instruction, operating personnel are being carried out
During electric automobile DC charging 1 withdrawal process of plug, vehicle end self-locking device 3 unlocks to DC charging plug self-locking buckle 32,
Feeder ear transmission signal specifically is given by the contact CC1 and CC2 of DC charging plug 1, feeder ear is given by control circuit 4 again
The signal of motor 35 of the self-locking device 3 of DC charging plug 1 makes motor 35 stop operating, and it is initial make it that the rotation of cam 36 is retracted into
State, complete the unblock of self-locking buckle 32.
During the two, wherein, the effect of the first microswitch 33 of setting is for detecting self-locking buckle 32
State, if self-locking buckle 32 is not lifted up from lock end 322, self-locking buckle 32 can be to the metal elastic of the connection of self-locking buckle 32
Piece 332 is in Continued depression state, now, power-off signal is transmitted to feeder ear by the first sense line 333；And it is micro- to work as first
Metal clips 332 on dynamic shift knob 331 is upspring, and the first microswitch 33 can discharge power on signal and by the first sensing line
Road 333 is delivered to charging pile, starts to power after charging pile reception signal and to motor 35.
The effect of the second microswitch 34 set is the state for detecting motor 35, if 35 improper work of motor
Make, the cam 36 of motor 35 fails to make moving upwards from lock end 322 for self-locking buckle 32, then it is micro- persistently to press against second for cam 36
Second microswitch push-button 341 of dynamic switch 34, then power-off signal is transmitted to feeder ear by the second sense line 342；So
The double insurance effect for preventing hot plugging is played by the first microswitch and the second microswitch 34.
In the above-described embodiment, it is to ensure the stability after the installation of each part, further by the first microswitch, the
Two microswitches 34, and a motor 35 are fixed by the support frame 38 on the diverse location that is arranged in housing 31.Together
When in the front end of housing 31, i.e., on the housing 31 of the buckling end 321 of self-locking buckle 32, open up one and worn for control circuit 4
The wire hole 312 gone out, so breaks through conventional arrangement, and all control circuits 4 are arranged on into whole electric automobile DC charging inserts
First 1 front end, avoids loosening, and the control circuit 4 for being also effectively prevented from extending influences operating personnel's operation.
In other embodiments, compared to above-described embodiment, a solution lockhole 313 is more preferably opened up on housing 31, sees Fig. 2
It is shown, and solve on the specific wall of housing 31 being arranged at setting position limiting structure 37 of lockhole 313, it is therefore an objective to once cam 36
Be stuck, can by solve lockhole 313 promote cam 36 be rotated further, so whole self-locking device 3 need not be disassembled after
It is unlocked, simplifies unlocking program.Solution lockhole 313 can certainly be arranged on to the housing of opposite side at position limiting structure 37
On 31 walls (on the wall of another side body 31 i.e. with respect to Fig. 2), now, cam is pulled from solution lockhole 313 by a pulling structure
36, which can be achieved cam 36, is rotated further.Therefore, no matter only needing to lead in the side wall for the which side that solution lockhole 313 is arranged on housing 31
Cross the i.e. achievable cam 36 of solution lockhole 313 to be rotated further, reach reset effect and belong to the application protection domain.
It should be noted that, whole self-locking device 3 is arranged in a housing 31 by the present invention simultaneously, and housing 31 is peace
On the housing of whole DC charging plug 1, only the buckling end 321 of the self-locking buckle 32 in self-locking device 3 is extended whole
Individual housing, therefore, the state of electric automobile DC charging plug is intuitively watched for convenience of operating personnel, further in housing
One indicator lamp 311 of upper setting, i.e., indicator lamp 311 is preferably arranged on to the rear of motor 35, so as to operating personnel's hand electric
It can be seen that the state of indicator lamp 311 during automobile DC charging plug.
Self-locking device in above-described embodiment, specifically can be according to exchange naturally it can also arranged on alternating current charging plug
Being actually needed of charging plug does rational part and deletes or increase, and design concept is identical with the present invention to belong to protection of the present invention
Scope.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only the preferred of the present invention
Embodiment, it is noted that for those skilled in the art, do not departing from the premise of the principle of the invention
Under, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of automatic self-locking device for electric automobile DC charging plug, it is arranged on electric automobile DC charging plug
On, electric automobile DC charging plug one end sets a plug, and the plug is connected and charged with electric automobile, its feature
It is, including：
Housing, sets a self-locking buckle, the first microswitch and the second microswitch in the housing, and one be used to providing it is dynamic
The motor of power；
The self-locking buckle includes a buckling end for being used for charging socket and the plug on connecting electric automobile, and a self-locking
End；
First microswitch, second microswitch and the motor are arranged at the self-locking card side of detaining, described
First microswitch is contacted with the self-locking buckle bottom surface, and a cam is connected between second microswitch and the motor,
The cam is used to promote the described of self-locking buckle to be moved up and down from lock end；
Under use state, cam described in the motor control is rotated up, and is moved upwards from lock end described in promotion so that described
Buckling end is in the lock state；Under original state, cam described in the motor control rotates down, and drive it is described from lock end to
Lower motion so that the buckling end is in released state.
2. the automatic self-locking device according to claim 1 for electric automobile DC charging plug, it is characterised in that：
The self-locking snaps through a pair of engaging body and a rotating shaft, and one is set in spring and the housing in the rotating shaft
Connection, a pair of engaging body are located at the buckling end and described between lock end；
Under original state, moved downward by the way that the elastic restoring force promotion of the spring is described from lock end, and cause the fastening
End is in released state.
3. the automatic self-locking device according to claim 2 for electric automobile DC charging plug, it is characterised in that：
Sleeve is also arranged in the rotating shaft, a spring is arranged in described sleeve pipe, described sleeve pipe and the spring, which block, to be set
Between a pair of engaging body.
4. the automatic self-locking device according to claim 2 for electric automobile DC charging plug, it is characterised in that：
A pair engaging body be extend from the two opposite sides side of the self-locking buckle towards the housing direction it is one first convex
Block and the second projection, first projection are provided with first through hole, and second projection is provided with the second through hole；
The first through hole and second through hole run through for the rotating shaft, and the first through hole aperture is more than described second
Through-hole aperture.
5. the automatic self-locking device for electric automobile DC charging plug according to claim any one of 1-4, it is special
Sign is：
One position limiting structure is set in the housing, and the position limiting structure is used to limit the cam rotation scope.
6. the automatic self-locking device for electric automobile DC charging plug according to claim any one of 1-4, it is special
Sign is：
The side of the cam and the motor connection, opposite side is close to second microswitch；
Under use state, the side wall of the cam is unclamped with second microswitch；Under original state, the side wall of the cam
Second microswitch is extruded.
7. the automatic self-locking device for electric automobile DC charging plug according to claim any one of 1-4, it is special
Sign is：
First microswitch includes the first microswitch push-button, is arranged on first microswitch push-button and is used for and institute
The metal clips that self-locking snaps connection is stated, and connection charging pile is used for the first sense line of heat transfer agent.
8. the automatic self-locking device for electric automobile DC charging plug according to claim any one of 1-4, it is special
Sign is：
Second microswitch includes the second microswitch push-button, and connection charging pile is used for the second sensing of heat transfer agent
Circuit.
9. the automatic self-locking device for electric automobile DC charging plug according to claim any one of 1-4, it is special
Sign is：
A solution lockhole is opened up on the housing, the unblock hole position passes through solution on the housing wall corresponded at the cam
Lockhole pushes or pull on the cam rotation.
10. the automatic self-locking device for electric automobile DC charging plug according to claim any one of 1-4, it is special
Sign is：
An indicator lamp is also set up on the housing, the indicator lamp is used for the work for showing the electric automobile DC charging plug
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036743.4A CN107834302A (en) | 2017-10-30 | 2017-10-30 | Automatic self-locking device for electric automobile DC charging plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036743.4A CN107834302A (en) | 2017-10-30 | 2017-10-30 | Automatic self-locking device for electric automobile DC charging plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834302A true CN107834302A (en) | 2018-03-23 |
Family
ID=61650870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711036743.4A Pending CN107834302A (en) | 2017-10-30 | 2017-10-30 | Automatic self-locking device for electric automobile DC charging plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834302A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367407A (en) * | 2018-10-30 | 2019-02-22 | 永康市都迪工贸有限公司 | A kind of charging gun mobile device |
| CN111740272A (en) * | 2019-03-25 | 2020-10-02 | 上海光联通讯技术有限公司 | Connector with a locking member |
| CN112554674A (en) * | 2020-12-09 | 2021-03-26 | 南京信息职业技术学院 | Charging port door lock control device of new energy automobile and control method thereof |
| CN114256718A (en) * | 2021-12-28 | 2022-03-29 | 哈工大机器人智能制造有限公司 | Automatic inserting and pulling system and method for torpedo tank |
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| CN205951741U (en) * | 2016-08-16 | 2017-02-15 | 常州费舍尔电子科技有限公司 | Electric automobile direct current rifle self -lock device that charges |
| CN205992629U (en) * | 2016-07-08 | 2017-03-01 | 泰科电子(上海)有限公司 | Charging plug and the charging pile including this charging plug |
| CN207398503U (en) * | 2017-10-30 | 2018-05-22 | 深圳市前海博拉图科技有限公司 | For the automatic self-locking device of electric vehicle DC charging plug |
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2017
- 2017-10-30 CN CN201711036743.4A patent/CN107834302A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205992629U (en) * | 2016-07-08 | 2017-03-01 | 泰科电子(上海)有限公司 | Charging plug and the charging pile including this charging plug |
| CN205951741U (en) * | 2016-08-16 | 2017-02-15 | 常州费舍尔电子科技有限公司 | Electric automobile direct current rifle self -lock device that charges |
| CN207398503U (en) * | 2017-10-30 | 2018-05-22 | 深圳市前海博拉图科技有限公司 | For the automatic self-locking device of electric vehicle DC charging plug |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367407A (en) * | 2018-10-30 | 2019-02-22 | 永康市都迪工贸有限公司 | A kind of charging gun mobile device |
| CN111740272A (en) * | 2019-03-25 | 2020-10-02 | 上海光联通讯技术有限公司 | Connector with a locking member |
| US11276958B2 (en) | 2019-03-25 | 2022-03-15 | Molex, Llc | Connector |
| CN112554674A (en) * | 2020-12-09 | 2021-03-26 | 南京信息职业技术学院 | Charging port door lock control device of new energy automobile and control method thereof |
| CN114256718A (en) * | 2021-12-28 | 2022-03-29 | 哈工大机器人智能制造有限公司 | Automatic inserting and pulling system and method for torpedo tank |
| CN114256718B (en) * | 2021-12-28 | 2024-03-26 | 湖南严格智能技术有限公司 | Automatic plugging system and method for torpedo pot |
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Address after: 518000 Nanshan District, Shenzhen City, Guangdong Province, Pingshan Community Liuxian Avenue 4093 Nanshan Yungu Innovation Industrial Park Nanfeng Building, 3rd floor A block 303 Applicant after: Shenzhen Feirei Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation area before Bay Street No. 1 Qianhai road at the Shenzhen Hong Kong Cooperation Area Management Bureau office building A Room 201 (Qianhai settled in Shenzhen City, Secretary of Commerce Co. Ltd.) Applicant before: Hai Bolatu Science and Technology Ltd. before Shenzhen |