KR20160022462A - Charge connector for electric vehicle - Google Patents

Abstract

The present invention relates to a charge connector for an electric vehicle. The charge connector includes a socket body which is formed in the electric vehicle and has a charge terminal groove, a connector body which has a charge connection terminal connected to the charge terminal groove for charging, a first locking part which firstly locks the connector body to the socket body, a second locking part which secondarily locks the connector body to the socket body. The present invention unlike existing technology, prevents the artificial or natural release of the connector body for charging from the socket body when a vehicle is charged, and maintains the connection state of the connecter body and the socket body. Thereby, stable charging can be carried out.

Description

{CHARGE CONNECTOR FOR ELECTRIC VEHICLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging apparatus for an electric vehicle and, more particularly, to a charging apparatus for an electric vehicle, The present invention relates to a charging apparatus for an electric vehicle capable of stably charging the battery pack.

2. Description of the Related Art Generally, an electric vehicle has a battery as a power source for driving a drive motor, and self-charges the battery by using power in the vehicle with electric energy.

Recently, an improved electric vehicle battery charging system capable of efficiently checking the charged state of a battery mounted on an electric vehicle and increasing the charging efficiency has been continuously studied. Such an electric vehicle can charge the battery by connecting the charging connector connected to the power source to the charging socket of the vehicle.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

As a prior art, Korean Patent Laid-Open Publication No. 10-2012-0138407 (published on Dec. 26, 2012), "Electric Vehicle Charging Connector" has been proposed.

Conventional electric vehicle charging connectors have a problem in that they can be stolen if the user leaves the vehicle while being connected to the charging socket of the vehicle.

Therefore, there is a need to improve this.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a charging system for charging an electric vehicle which prevents a connector body from being stolen by preventing multiple- The purpose of the device is to provide.

It is another object of the present invention to provide a charging apparatus for an electric vehicle in which a connection state between a connector body and a socket body is firmly maintained, thereby stably charging the connector body.

A charging apparatus for an electric vehicle according to the present invention comprises: a socket body provided in an electric vehicle and having a charging terminal groove; A connector main body having a charging connection terminal connected to the charging terminal groove for charging; A first locking portion for primarily locking the connector body to the socket body; And a second locking portion that secondarily locks the connector body to the socket body.

The first locking portion may include a release preventing lever extending from the connector body and having a fastening protrusion protruding therefrom; And a latching groove portion which is recessed in the socket body to receive the fastening protrusion and which primarily maintains the state in which the connector body is connected to the socket body.

Wherein the second locking portion comprises: a housing provided in the socket body; A lock pin movably reciprocated in the housing to press and fix the release prevention lever in a state where the engagement protrusion is received in the engagement groove in the direction of the engagement groove; And an actuator provided in the housing to control reciprocal movement of the lock pin.

The second locking portion may further include a push portion elastically hingedly connected to the housing and fixed to the one side of the release prevention lever by the lock pin.

The push portion includes: a first push operation member provided in the housing; A second push operation member hingedly connected to the first push operation member and adapted to press and bring the release prevention lever in the direction of the engagement groove portion; And a pushing elastic member that elastically rotates the second push operation member with respect to the first push operation member and presses the release prevention lever.

The push portion further includes an elastic support member provided on the housing to elastically support the first push operation member against a pushing force of the release prevention lever.

The second locking portion may further include a controller for transmitting a signal to the actuator to control movement of the lock pin.

The locking pin may have a handle.

As described above, the charging device for an electric vehicle according to the present invention is different from the prior art in that the charging connector body is multi-locked to the socket body when the vehicle is charged, thereby preventing the artificial or natural connection release, .

Further, according to the present invention, the connection state between the connector main body and the socket main body is firmly maintained, so that the charging can be performed stably.

1 is a perspective view of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
2 is a bottom perspective view of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
3 is a perspective exploded view of a part of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
4 is an exploded perspective view of a push portion of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
FIG. 5 is an enlarged cross-sectional view showing a state where the secondary locking device of the charging device for an electric vehicle according to the embodiment of the present invention operates.
6 is a perspective view showing a primary locking state of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
FIG. 7 is a cross-sectional view illustrating a push button operating state in a primary locked state of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
8 is a perspective view illustrating a secondary locking state of a charging apparatus for an electric vehicle according to an embodiment of the present invention.
FIG. 9 is a cross-sectional view showing a push button operating state in a secondary locked state of a charging apparatus for an electric vehicle according to an embodiment of the present invention.

Hereinafter, an embodiment of a charging apparatus for an electric vehicle according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view of a charging apparatus for an electric vehicle according to an embodiment of the present invention, and FIG. 2 is a bottom perspective view of a charging apparatus for an electric vehicle according to an embodiment of the present invention.

FIG. 3 is an exploded perspective view of a main part of a charging apparatus for an electric vehicle according to an embodiment of the present invention, and FIG. 4 is an exploded perspective view of a push part of an electric vehicle charging apparatus according to an embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view showing a state where the secondary locking device of the charging device for an electric vehicle according to the embodiment of the present invention operates.

FIG. 6 is a perspective view showing a primary locking state of a charging apparatus for an electric vehicle according to an embodiment of the present invention, and FIG. 7 is a perspective view illustrating a pushing operation state Fig.

FIG. 8 is a perspective view showing a secondary locking state of a charging apparatus for an electric vehicle according to an embodiment of the present invention. FIG. 9 is a perspective view showing a state where the secondary locking state of the charging apparatus for an electric vehicle according to the embodiment of the present invention, Fig.

1 to 9, a charging apparatus 10 for an electric vehicle according to an embodiment of the present invention includes a socket body 20, a connector body 30, a first locking portion 40, and a second locking portion 100).

The socket body 20 is provided in an electric vehicle (not shown) and is electrically connected to a battery (not shown). At this time, the socket body 20 may be provided at various positions of the electric vehicle.

The socket body 20 has a charging terminal groove 22. At this time, the number and shape of the charging terminal grooves 22 can be variously changed.

The connector main body 30 has a charging connection terminal 32 connected to a power source of a domestic or electric charging station and connected to the charging terminal groove 22 for charging. At this time, the connector body 30 is deformable into various shapes and is made of an insulating material.

Therefore, the charging connection terminal 32 is connected to the charging terminal groove 22, and the battery is charged with electricity from the power source.

On the other hand, the connector body 30 can be prevented from being separated from the socket body 20 arbitrarily or naturally by multiple locking with the socket body 20.

Thus, the first locking portion 40 and the second locking portion 100 are provided.

The first locking portion 40 serves to lock the connector main body 30 to the socket body 20 and the second locking portion 100 serves to lock the connector main body 30 to the socket main body 20 in a secondary Locking.

The first locking portion 40 includes a release preventing lever 42 and a latching groove portion 44.

The release preventing lever 42 is formed to extend from the connection side edge of the socket body 20 of the connector body 30. [ The release preventing lever 42 may be provided on the connector main body 30 in a predetermined rotatable manner or may be elastically bent.

In addition, the release preventing lever 42 protrudes the fastening protrusion 43. For the sake of convenience, the fastening protrusion 43 is shown protruding from the lower side of the release preventing lever 42.

Of course, the release preventing lever 42 and the fastening protrusion 43 can be deformed into various shapes.

Further, the latching groove portion 44 is recessed into the socket body 20. When the connector main body 30 is connected to the socket body 20, the fastening protrusion 43 of the release preventing lever 42 is received in the fastening groove 44 and engaged.

Thus, the connector main body 30 is connected to the socket main body 20 in a primary state so that charging can be performed.

At this time, the fastening protrusion 43 of the disengagement prevention lever 42 may be weakened in the inner side surface of the engaging groove 44, or may be detached from the engaging groove 44 arbitrarily by a tine. In this case, charging may be stopped, and electric shock or fire may occur.

Thus, the connector body 30 and the socket body 20, which are primarily engaged by the first locking portion 40, can be firmly and secondarily coupled by the second locking portion 100.

The second locking portion 100 includes a housing 110, a lock pin 120, and an actuator 130.

The housing 110 is provided in the socket body 20. At this time, the housing 110 may be integrally formed with the socket body 20, or may be detachably provided to the socket body 20. Of course, the housing 110 can be deformed into various shapes.

The locking pin 120 is provided to be reciprocally movable in the housing 110. The lock pin 120 serves to press and fix the release prevention lever 42 in the direction of the engagement groove 44 in a state in which the engagement projection 43 is received in the engagement groove 44. [

In particular, the housing 110 defines a receiving groove 112 for receiving the edge of the release-preventing lever 42. [ The locking pin 120 is installed in the housing 110 such that the end portion protrudes into the receiving groove 112 and is inserted into the housing 110. Of course, the lock pin 120 is applicable in various shapes and various materials.

In addition, the actuator 130 is provided in the housing 110 to control the reciprocating motion of the lock pin 120. Of course, the actuator 130 connects the lock pin 120 in a linear reciprocating manner in various ways such as electric or mechanical.

In addition, the second locking portion 100 may further include a push portion 140.

The push portion 140 is resiliently hingably connected to the housing 110 and serves to fix the position by the lock pin 120 while being interviewed at one side of the release prevention lever 42. Thus, as the lock pin 120 restrains the push portion 140 and the push portion 140 presses the release prevention lever 42, the release prevention lever 42 can be securely locked in the secondary have.

The push portion 140 includes a first push operation member 142, a second push operation member 144, and a push resilient member 146.

The first push operation member 142 is provided inside the housing 110, particularly, inside the receiving groove 112.

The first push operation member 142 includes a guide pin 143 on either side or at one side thereof and the housing 110 has guide grooves 112 formed in the receiving groove 112 for guiding the movement of the guide pins 143. [ (145).

At this time, the first push operation member 142 may be variously formed.

The second push operation member 144 is hinged to the first push operation member 142 and presses the end portion of the release prevention lever 42 received in the receiving groove portion 112 toward the engagement groove portion 44, . Of course, the second push operation member 144 may be variously formed.

In addition, the pushing elastic member 146 serves to cause the second pushing operation member 144 to be elastically pivoted relative to the first pushing operation member 142. [ The second push operation member 144 resiliently presses the release prevention lever 42 received in the engagement groove portion 44 by the pushing elastic member 146 to fix the position.

Here, the pushing elastic member 146 is applicable to a torsion spring or the like.

In addition, the push portion 140 further includes an elastic support member 148. [

The elastic supporting member 148 is provided in the receiving groove 112 of the housing 110 to elastically support the first push operation member 142. The elastic support member 148 is applicable as a coil spring or the like.

The first push operation member 142 and the second push operation member 144 are pushed to the inside of the receiving groove 112 when the release preventing lever 42 is received inside the receiving groove 112.

At this time, the guide pins 143 provided on both sides of the first push operation member 142 are linearly moved along the guide grooves 145 formed on the inner side of the receiving groove 112.

The first push operation member 142 is positioned on the upper side of the release prevention lever 42 when the release prevention lever 42 is received in the engagement groove 44 and the second push operation member 144 is positioned on the release prevention lever 42, And the second push operation member 144 are advanced by the resilient restoring force of the elastic support member 148.

As a result, the second push operation member 144 is brought into contact with the upper side surface of the release prevention lever 42.

Thereafter, the lock pin 120 moves and presses the second push operation member 144 in the direction of the release prevention lever 42.

The second locking portion 100 further includes a controller 150 that transmits a signal to the actuator 130 to control the movement of the lock pin 120.

That is, the control unit 150 controls the actuator 130 to move backward until the lock pin 120 presses the second push operation member 144 and presses it, or does not contact the second push operation member 144, A signal for controlling the operation time is generated. At this time, the control unit 150 can exchange signals with the charged state of the battery of the vehicle.

On the other hand, the lock pin 120 has a handle 122. When the handle 122 is not moved back to the initial position due to an operation error of the controller 150 or the actuator 130, the operator grips the handle 122 and pulls the lock pin 120 back to the original position.

The handle 122 can be deformed into various shapes. Of course, the handle 122 is positioned so that it is not easily exposed to an outsider.

In addition, the handle 122 may be replaced with a driver groove or the like formed at an end portion in the axial direction of the lock pin 120. [

In particular, the lock pin 120 serves to prevent the second push operation member 144 from being rotated in an upward direction by pressing the second push operation member 144, and the second push operation member 144 Thereby partially preventing the push portion 140 from being pushed into the accommodating groove portion 112 by a certain amount.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: Charging device 20: Socket body
22: Charging terminal groove 30: Connector body
32: charging connection terminal 40: first locking portion
42: release preventing lever 43: fastening projection
44: locking groove portion 100: second locking portion
110: housing 112: receiving groove
120: Lock pin 130: Actuator
140: push portion 142: first push operation member
144: second push operation member 146: push resilient member
148: elastic support member 150:

Claims (8)

A socket body provided in the electric vehicle and having a charging terminal groove;
A connector main body having a charging connection terminal connected to the charging terminal groove for charging;
A first locking portion for primarily locking the connector body to the socket body; And
And a second locking portion for secondarily locking the connector body to the socket body.
The apparatus of claim 1, wherein the first locking portion comprises:
A release preventing lever extending from the connector body, the release preventing lever protruding from the coupling protrusion; And
And a latching groove portion which is recessed in the socket body to receive the fastening protrusion and which primarily retains the state in which the connector body is connected to the socket body.
3. The apparatus of claim 2, wherein the second locking portion comprises:
A housing provided in the socket body;
A lock pin movably reciprocated in the housing to press and fix the release prevention lever in a state where the engagement protrusion is received in the engagement groove in the direction of the engagement groove; And
And an actuator provided in the housing to control reciprocal movement of the lock pin.
The method of claim 3,
Wherein the second locking portion further comprises a push portion elastically hingedly connected to the housing and fixed to the one side of the release prevention lever by the lock pin.
5. The apparatus according to claim 4,
A first push operation member provided in the housing;
A second push operation member hingedly connected to the first push operation member and adapted to press and bring the release prevention lever in the direction of the engagement groove portion; And
And a pushing elastic member for elastically rotating the second push operation member with respect to the first push operation member and pressing the release prevention lever.
5. The method of claim 4,
Wherein the push portion further comprises an elastic support member provided on the housing to elastically support the first push operation member against a pushing force of the release prevention lever.
The method of claim 3,
Wherein the second locking portion further comprises a control portion for transmitting a signal to the actuator to control the movement of the lock pin.
The method of claim 3,
Wherein the locking pin has a handle.

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