KR20120108658A - Connector of electric vehicle charger - Google Patents

Abstract

PURPOSE: A connector of an electric mobile charging apparatus is provided to allow a housing equipping a terminal to be directly operated by a lever and to increase reliability of an electric mobile charging device connector. CONSTITUTION: A communication terminal and a power terminal are installed in a terminal housing(130). A connector body(110) includes an opening hole(111). The terminal housing is displaced in an internal space of the connector body. A lever(150) is combined with the connector body. The lever performs the terminal housing in order for the terminal housing to be displaced in an opening direction.

Description

Connector of electric vehicle charger

The present invention relates to a connector of an electric vehicle charging device. More specifically, the present invention improves the structure of the connector to simplify the structure, minimize the number of parts, improve the reliability in the mounting process, charging process and detachment process, and improve the user's convenience in the connector of the electric vehicle charging device It is about.

Recently, interest in electric vehicles has increased due to rising oil prices or environmental issues. Such electric vehicles require electric energy to drive a driving motor for driving a vehicle and to supply electric power required to operate various electric devices, and may be used by charging them with a large capacity battery. In order to spread an electric vehicle, an electric vehicle charging device for charging the electric vehicle itself and the electric vehicle may be required.

The electric vehicle charging device may include a charging station for power supply and control and a connector detachably mounted to an inlet of the electric vehicle for supplying electric energy provided from the charging station to an inlet provided in the electric vehicle.

In particular, the electric vehicle may be rapidly charged to shorten the charging time, and the electric vehicle charger for rapid charging may be distinguished from the electric vehicle charger for slow charging.

In the case of the quick charging device, the structure is simple, the number of parts is minimized, the user convenience is improved, and the connector can be attached and detached without requiring great force while satisfying safety or standard requirements. There is a great need for connectors of electric vehicle chargers that provide reliability that the connectors do not disconnect in unintentional states during the charging process.

The present invention aims to solve the problem of simplifying the structure by improving the structure of the connector, improving the reliability in the mounting process, the charging process and the detachment process, and providing a connector of the electric vehicle charging device with improved user convenience. .

In order to solve the above problems, the present invention is a connector body having a communication terminal and a power terminal, a terminal housing equipped with the communication terminal and the power terminal, and openings at both ends, and the terminal housing is mounted to be displaceable in an internal space. And a lever coupled to the connector body by a hinge, the lever propelling the terminal housing such that the front end of the terminal housing is displaced in the direction of the opening of any one of the openings, and guided to the side of the terminal housing. A pin is provided, and a guide hole has a long hole shape in which the guide pin is inserted into an upper end of the lever, and the guide pin may be pushed by the inner wall of the guide hole when the lever is rotated.

In addition, the handle may include a sliding portion extending and bent from the handle portion and the handle portion and coupled to a rear end of the terminal housing and slidable at another opening of the connector body.

In addition, a rubber cable protection member having a diameter corresponding to the inner diameter of the handle may be provided below the handle.

In addition, the guide hole may be formed in parallel with the longitudinal direction of the upper end of the lever.

In this case, a pair of guide pins may be provided at positions corresponding to each other on both sides of the terminal housing.

In addition, the upper end of the lever may be branched near the hinge can be bent and extended in the direction of each guide pin.

And, when the lever is rotated in order to fix the state in which the terminal housing is displaced in the connector main body and the latch of the electric vehicle charging device is connected to the fixed latch and the inlet of the electric vehicle is fixed to the displaced terminal housing Further comprising a fastening latch for holding, the fixed state release operation of the fixed latch can release the fastening state of the fastening latch.

Here, the connector body includes a release button for releasing the fixed state of the terminal housing by the fixed latch, wherein the fixed latch and the fastening latch is hinged to the connector body, the fixed latch by the release button When one end of the pressing the other end of the fixed latch raises one end of the body latch, the other end of the fastening latch can be lowered to release the fastening state of the fastening latch to the inlet of the electric vehicle.

In addition, the rotation of the lever may further include a fixing latch that is locked to the handle to fix the state in which the terminal housing is displaced in the connector body.

In this case, the connector body may include a release button for releasing the fixed state of the terminal housing or the handle by the fixing latch.

In addition, the release button may be provided in the upper center area near the other opening of the connector housing.

The release button may be made of a light transmissive material and include a light source having at least one light emitting color therein.

Here, the controller of the electric vehicle charging device may control the operation method or the light emission color of the light source differently according to the electric vehicle charging state.

In addition, at least one locking protrusion may be formed at an upper end of the terminal housing or the handle to selectively lock the fixing latch.

In this case, the side slopes of the locking projections may be different from each other.

In addition, in order to solve the above problems, the present invention provides a terminal housing equipped with a communication terminal and a power terminal, a connector body slidably receiving the terminal housing, rotatably fixed to the connector body and having an end portion at the terminal housing. And a lever constrained to propel the terminal housing in a predetermined direction, the handle being fixed to the terminal housing and towed by the terminal housing upon rotation of the lever.

According to the connector of the electric vehicle charging device according to the present invention, by improving the structure of the connector of the electric vehicle charging device, the internal structure of the connector can be simplified and the number of parts can be reduced.

In particular, since the connector of the electric vehicle charging device according to the present invention has a structure in which the housing housing the terminal is directly pushed by a lever or the like, the number of parts can be minimized.

In addition, according to the connector of the electric vehicle charging device according to the present invention, since the object to be pushed by the lever is a guide pin provided in the terminal housing or the like, the rotation applied to the rotation of the lever by increasing the distance between the guide pin and the hinge of the lever By maximizing the moment it is possible to minimize the size of the user's force required during the mounting of the connector.

In addition, according to the connector of the electric vehicle charging apparatus according to the present invention, the mounting process and detachment process of the connector of the electric vehicle charging apparatus and the inlet of the electric vehicle can be simplified.

In addition, according to the connector of the electric vehicle charging apparatus according to the present invention, it is possible to prevent the connector from being unintentionally disconnected from the inlet during the charging process of the electric vehicle can improve the reliability of the connector of the electric vehicle charging apparatus.

1 shows an embodiment of a connector of an electric vehicle charging device according to the present invention and a separated state of an inlet of an electric vehicle in which the connector is detachably mounted.
Figure 2 shows a lateral perspective view of one embodiment of an electric vehicle charger connector according to the present invention.
3 shows a lateral perspective view of another embodiment of an electric vehicle charger connector according to the present invention.
Figure 4 shows an exploded perspective view of the connector of the electric vehicle charging device according to the present invention.
5 shows a cross-sectional view of a connector of an electric vehicle charging device according to the invention.
FIG. 6 shows a perspective view in a state where the lever of the connector of the electric vehicle charging device according to the present invention shown in FIG. 2 is pulled out.
FIG. 7 shows a perspective view in a state where the lever of the connector of the electric vehicle charging device according to the present invention shown in FIG. 3 is pulled out.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout.

1 illustrates an embodiment of a connector 100 of an electric vehicle charging device according to the present invention and a separated state of an inlet 200 of an electric vehicle in which the connector 100 is detachably mounted.

The inlet 200 may include a female power terminal 220 and a communication terminal 230 in the inlet housing 210 and may be shielded by an openable and openable cover 240.

Connector 100 of the electric vehicle charging device according to the present invention is provided with a terminal housing 130 inside the connector body 110, the male power terminal 132 and the communication terminal (respectively) inside the terminal housing 130 ( 130 may be provided.

Therefore, when charging the electric vehicle, when the user mounts the connector 100 of the electric vehicle charging device to the inlet 200 and the connection between the terminals is completed, the electric vehicle charging device is a battery (not shown) of the electric vehicle via the connector. To charge the battery.

The terminal housing 130 equipped with the power terminal 132 and the communication terminal 130 of the connector 100 should be inserted into and mounted inside the inlet housing 210 constituting the inlet 200 in a charged state. In the charged state, it may not be exposed to the outside for safety or standard reasons.

That is, the terminal housing 130 on which the power terminal and the communication terminal 133 of the connector 100 are mounted may be exposed to the outside or displaced to the opening side only in a mounting state for charging.

Therefore, in order to selectively expose, protrude, or displace the structure, the connector 100 includes a connector housing 110 and a structure in which the terminal housing 130 is mounted to be slidably displaceable in the connector housing 110. Can have

In addition, the terminal housing 130 in which the power terminal 132 and the communication terminal 130 of the connector 100 are mounted is in a charged state, that is, the process of being mounted in the inlet housing 210 requires a predetermined magnitude or more of force. In addition, the lever 150 may be used to reduce the actual force of the user required during the mounting process. That is, by using the lever 150 to secure the gain of the force, the actual user can be easily mounted to the inlet 200 with the connector 100 with a small force. In particular, the elderly or female driver, if you do not use the lever can feel a physical burden during the mounting process of the connector.

In addition, it may be provided with a handle 140 having a bent shape so that the user can easily hold the coupler 100 with one hand. The cable C connected to the plurality of terminals described above may pass through the handle 140.

Referring to Figure 2 below, the structure of the coupler of the electric vehicle charging apparatus according to the present invention will be described in detail.

2 shows a lateral perspective view of one embodiment of an electric vehicle charger connector according to the invention, and FIG. 3 shows a lateral perspective view of another embodiment of an electric vehicle charger connector according to the invention.

First, the connector of the electric vehicle charging apparatus according to the present invention will be described with reference to FIG. 2.

The connector of the electric vehicle charging apparatus according to the present invention includes a communication terminal and a power terminal (not shown), the communication terminal and the terminal housing 130 mounted with the power terminal, and openings at both ends, and the terminal housing is provided in an internal space. The connector body 110 is mounted so as to be displaceable, and is coupled to the connector body 110 by a hinge, so that the front end of the terminal housing is displaced in the direction of any one opening 111 (see FIG. 4) of the opening. It includes a lever 150 for pushing the terminal housing 130.

As shown in FIG. 2, a terminal housing 130 on which each terminal is mounted is disposed in front of the inner space of the connector housing 110, and the handle 140 is a rear end 130b of the terminal housing 130. )

The handle 140 is fastened to the rear end of the terminal housing 130, is pulled by the terminal housing 130 when the lever is rotated, and the other opening 113 of the connector body 110, (See FIG. 4).

Specifically, the handle 140 is extended and bent from the handle portion 141 and the handle portion 141 and fixedly fastened to the rear end portion 130b of the terminal housing to open the other opening 113 of the connector body. , See FIG. 4) to include a slidable sliding portion 142.

Therefore, the terminal housing 130 and the handle 140 are fastened in the connector body 110, and when the terminal housing 130 is displaced in the connector body 110, the handle 140 is fixed. It may also be displaced in the connector body 110.

The terminal housing 130 may be pushed in a predetermined direction, for example, a left direction (see FIG. 2) of the horizontal direction by the lever 150 to be described later. The reason for pushing the terminal housing 130 is to displace the terminal housing 130 forward in the process of mounting the connector 100 according to the present invention to the inlet 200. That is, the terminal housing 130 acts as a propulsion member that is pushed by the lever.

Since the connector of the electric vehicle charging device according to the present invention has a structure in which the housing in which the terminal is accommodated by the lever is directly propelled, the number of driving parts can be minimized because a separate propulsion member is not used.

The handle 140 may be fastened to the rear end 130b of the terminal housing 130 and may be towed by the terminal housing 130, and the other opening 113 of the connector body 110 may be pulled out. In FIG. 4).

Specifically, the handle 140 is extended and bent from the handle portion 141 and the handle portion 141 is fastened to the rear end portion 120a of the terminal housing 130 is the other of the connector body 110 It may include a sliding portion 142 slidable to the opening.

As shown in FIG. 2, the sliding part 142 of the handle 140 is fastened and fixed to the rear end 130b of the terminal housing 130 inside the rear end area of the connector body 110, and the sliding The handle part 141 integrally formed with the part 142 may have a pipe shape through which cables C connected to the plurality of terminals 131 pass.

Specifically, as shown in FIG. 2, the sliding part 142 of the handle 140 is fixed to the rear end 130b of the terminal housing 130 to be slidably installed at the rear half of the connector body 110. It is provided with an internal path through which the cable (C) passes through the rear portion, and has a handle portion 141 of the handle shape that can be grasped by the user's hand, the cable protection having a size corresponding to the inner diameter of the inner path in the second half The member 145 may be configured to fit.

The handle part 141 and the sliding part 142 may be bent at an angle that is easy for the user to hold by hand.

The sliding part 142 of the handle 140 is a portion parallel to the longitudinal direction of the connector housing 110 or the displacement direction of the terminal housing. Rather than the handle portion and the sliding portion is not clearly distinguished and formed in a gentle curve or the like, the horizontal sliding portion and the handle portion bent at the end of the configuration configured by the method, such as when pulling the lever 150 Smooth sliding operation is possible, and durability can also be improved.

The cable protection member 145 is made of a rubber material to protect the cable (C) introduced to the connector 100. In addition, since the size of the cable protection member 145 is formed in a size corresponding to the inner diameter of the handle 140, it is possible to use a variety of sizes of the cable to the connector 100, and to ensure the airtight, such as immersion Safety accidents can be prevented.

The terminal housing 130 requires propulsion force converting means for converting the rotation moment of the lever 150 into a propulsion force in a predetermined direction in order to be propelled by the lever 150 when the lever 150 rotates.

Therefore, the connector of the electric vehicle charging device according to the present invention is to propel the terminal housing according to the rotational trajectory of the guide pin according to the rotation of the lever at the upper end of the guide pin and the upper side of the terminal housing as a driving force conversion means. It is provided with a guide hole for.

In the embodiment shown in FIG. 2, the upper end portion 159 of the lever 150 is provided with a guide hole 1502 having a long hole shape, and the terminal housing 130 has the lever in accordance with the rotation of the lever 150. The guide pin 136 is inserted into the guide hole 1502 of the upper end 159 of the 150 to propel the terminal housing 130.

The guide pin 136 converts the rotational force of the lever into the horizontal driving force in accordance with the rotational trajectory of the guide hole 152. Therefore, the guide hole 152 may be configured in the form of a long hole.

The guide hole 1502 may be formed to be parallel to the longitudinal direction of the upper end 159 of the lever 150.

The guide pins 136 may be provided in pairs at positions corresponding to each other on both side surfaces of the terminal housing. In addition, the upper end 159 of the lever 150 may be branched near the hinge 151 to be bent and extended in the direction of each guide pin.

Since the medium propelled by the lever 150 is a guide pin 136 provided on the terminal housing 130 or the like, the rotation moment applied when the lever is rotated by increasing the distance between the guide pin 136 and the hinge of the lever. By maximizing, there is an advantage that the size of the user's force required in the mounting process of the connector can be minimized.

As described above, the lever 150 may be hinged to the connector housing 110 by a hinge 151. The hinge 151 may be provided with a spring 158 (see FIG. 4) to provide a restoring force when the lever 150 rotates.

Therefore, when the user grasps the handle 141, which is the lower area of the handle 140, and pulls the lever 150 toward the handle 140, the guide pin 136 may form an inner wall of the guide hole 152. In accordance with the pressure is pushed in a horizontal direction, the terminal housing 130 can be displaced to one side.

By such a structure, the terminal housing 130 and the handle 140 may be slide-displaced together as the terminal housing 130 is displaced in a fastened and fixed state.

The guide pins and the guide holes are interchanged with each other so that guide pins are provided at the upper end of the lever, and guide holes for inserting the guide pins of the levers are provided at the side surfaces of the terminal housing 130. You may.

The propulsion structure of the terminal housing 130 described above is for mounting the connector to the inlet of the electric vehicle to charge the electric vehicle, and after the mounting process of the connector is completed, the state is maintained in the mounting state A structure for maintaining the mounting state in order to perform the charging process will be described with reference to FIGS. 2 and 3.

The connector 100 of the electric vehicle charging device according to the present invention is fixed to the terminal housing 130 or the handle 140 propelled to fix the state in which the terminal housing 130 is displaced from the connector body 110. The fixing latch may further include. That is, the fixed latch serves to restrain the displaced terminal housing or the handle to remain in the displaced state.

Specifically, in the embodiment shown in FIG. 2, the fixed latch 161 fixes the displaced state of the displaced handle 140, and in the embodiment shown in FIG. 3, the fixed latch 161 is a displaced terminal. The housing 130 is fixed.

Therefore, in the embodiment shown in Figures 2 and 3, each of the fixing latch 161 is fixed to the terminal housing 130 or the handle 140 according to the position of the locking projection to be fixed to the fixed latch.

In the embodiment shown in Figure 2, the locking projection 1402 is provided on the top surface of the handle 140, the embodiment shown in Figure 3 the locking projection 1302 is after the terminal housing 130 It is provided on the upper end surface of the end 130b.

Each of the locking protrusions 1302 and 1402 is fixed to maintain the displaced state of the handle 140 or the lever 150 while the terminal housing 130 is propelled according to the rotation of the lever 150. It is provided in order to.

Each of the locking protrusions 1302 and 1402 may have different cross-sectional inclinations. The reason why the inclination is different will be described later.

In addition, the embodiment illustrated in FIG. 3 may further include a fastening latch 111 for maintaining a state in which a connector is fastened to an inlet of an electric vehicle, unlike the embodiment illustrated in FIG. 2.

In the embodiment shown in Figure 2 or 3, the fixing latch 161 is configured to fix the state in which the terminal housing is pushed by the lever. That is, it is a configuration for maintaining the protruding or displaced state of the terminal housing during the charging process of the electric vehicle.

And, in the state shown in Figure 3, the fastening latch 111 is a configuration for preventing the unintentional separation of the connector body 130 is mounted on the inlet 200.

That is, the fastening latch 111 is configured to block the connector from being separated from the inlet of the electric vehicle in a situation where the terminal housing is pushed by the fixed latch.

As shown in FIG. 3, the fixed latch 161 and the fastening latch 111 may be hinged to the inner top surface center of the connector housing, respectively.

The fixed latch 161 is configured such that one end 161a is selectively pressed by a release button 162 to be described later, and the other end 161b of the fixed latch 161 is a locking protrusion 1302 of the terminal housing to be described later. Fixing protrusions (161c) that are caught on may be provided.

One end 111a of the fastening latch is disposed above the other end of the other end 161b of the fixed latch, and a fastening protrusion 111c is formed at the other end 111b of the fastening latch, and the fastening protrusion 111c of the connector housing. It may protrude to the outside.

The reason why the one end 111a of the fastening latch 111 is disposed above the other end of the other end 161b of the fixed latch is to release the fastening state at the same time. That is, the other end 161b of the fixed latch presses and rotates the lower end of the one end 111a of the fastening latch in the process of releasing the fixed latch, thereby lowering the other end of the fastening latch on which the fastening protrusion 111c is formed, thereby causing the fastening protrusion. The fastening state to the electric vehicle inlet can be released.

2 and 3, the fixing protrusion 161c and the fastening protrusion 111c are configured to protrude from the ends of the fixed latch 161 and the fastening latch 111, respectively, each of the fixing protrusions 161c and the fastening protrusion 111c may have different cross-sectional inclinations in order to minimize physical resistance in the mounting process of the connector and to maintain the fastening state of the connector and the fixed state of the terminal housing.

As described above, the terminal housing 130 and the handle 140 may be provided with locking projections 1302 and 1402 to be selectively locked by the fixing protrusion 161c.

The locking protrusions 1302 and 1402 may be at least one protrusion formed on an upper end surface of the terminal housing and an upper end surface of the sliding part of the handle. Side slopes of the cross section of any one of the protrusions may be different. This is to enable the locking operation for the fixed latch.

A plurality of the locking protrusions are provided, and a method of forming a seating space therebetween is also possible, but only one case will be described for convenience of description.

One side surface of the locking protrusions 1302 and 1402 (the right side of 1302 and 1402 of FIGS. 2 and 3) and one side surface of the locking protrusion 161c (the left side of 161c of FIGS. 2 and 3). Each may have a vertical slope.

This is to prevent the fixing state from being easily released by the fixing latch. That is, when the fixing protrusion 161c passes over the locking protrusion 122, when the terminal housing 130 is retracted by a restoring force such as a spring mounted on the lever 150, the locking protrusion and The vertical inclined surfaces of the fixing protrusions may be supported by each other to prevent retraction of the terminal housing.

The other side surfaces of the locking protrusions 1302 and 1402 (left side of 1302 and 1402 of FIGS. 2 and 3) and one side surface of the fixing protrusion (right side of 161c of reference numerals of FIGS. 2 and 3) are inserted into a connector. In order to minimize physical resistance in the process may have a gentle slope in the direction corresponding to each other. The fixed latch or the fastening latch is coupled to the connector housing by a hinge, and elasticity may be added by an elastic member such as a spring, so that the fixing protrusion and the locking protrusion having the corresponding gentle inclined surface have separate resistances during the mounting process of the connector. Since it can be carried over without mounting, when the connector 100 is mounted on the inlet 200, the connector 100 may be smoothly mounted on the inlet without requiring a large force.

The fastening protrusions 111c formed on the fastening latch 111 of the embodiment shown in FIG. 3 may also have different inclinations on both sides with respect to the cross section. Thus, that is, the inclination of the left side is gentle, the inclination of the right side is formed to be steeply close to the vertical, and when mounted on the inlet 200 can be installed with a minimum of physical resistance with a smooth, The right side is fixed to the back (not shown) to prevent the state mounted on the inlet can be easily released.

In the embodiment shown in Fig. 3, when the connector 100 is mounted and the charging is completed, there is a need for a removable structure for releasing the mounting state of the connector.

Therefore, the embodiment according to the present invention shown in Figure 3 is released for releasing the fixed state of the terminal housing 130 by the fixing latch 161 (or fixing projection 161 (c)) to the connector body. It includes a button 162, when the one end (161a) of the fixed latch is pressed by the release button 162, the fixing projections (161c) provided at the other end (161b) of the fixed latch is raised and at the same time As the end 111a is raised, the other end 111b of the fastening latch is lowered, and the fastening protrusion 111c formed at the other end 111b releases the fastening state from the electric vehicle inlet, thereby releasing the fixed latch. The operation releases the fastening state of the fastening latch.

2 does not include a fastening latch that maintains a fastening state, but a method of releasing a fixed state by a fixed latch is the same as the embodiment shown in FIG.

The release button 162 is provided to press the release button, the fixing protrusion 116c of the fixing latch 116 is fixed to the locking protrusion 1402 provided on the upper surface of the sliding part 142 of the handle 140. You can selectively release the state.

And, in the embodiment shown in Figure 3, by pressing the release button 162 to release the fixing state of the fixing projections (161c) and the locking projections 1302 of the terminal housing of the fixed latch, the fastening The other end 111b of the latch may be lowered to be configured to release the fastening state of the fastening latch to the electric vehicle inlet.

That is, the fixed state releasing operation of the fixed latch may have a feature of releasing by interlocking the fastened state of the fastening latch. In addition, in the embodiment illustrated in FIG. 3, a dummy latch 112 may be provided at a symmetrical portion of the fastening latch 111, irrespective of unlocking of the fastening state.

The dummy latch 112 is provided to keep pace with the dummy latch 112 in the mounting or detachment process of the connector, rather than maintaining or releasing the fastening state of the connector according to the condition, unlike the fastening latch All of the inclination may be configured gently, and like the fastening latch 111 may be hinged to the connector housing 110. In the case of the dummy latch, it may be configured to provide a certain elastic force by configuring a thin thickness. Accordingly, the dummy latch 112 may smoothly guide the mounting process of mounting the connector to the inlet and provide some support force.

In conclusion, according to the connector of the electric vehicle charging apparatus according to the present invention, the mounting process of the connector of the electric vehicle charging apparatus and the inlet of the electric vehicle can be performed by the pull of the lever with the connector mounted on the inlet, Desorption process can be released by pressing the release button and the connector from the inlet, the mounting process and detachment process can be simplified.

In addition, it is possible to prevent the connector from being unintentionally disconnected from the inlet during the charging process of the electric vehicle by using a fastening latch or the like, thereby improving the reliability of the connector of the electric vehicle charging device.

2 and 3, the release button 162 may be provided in an upper center area near the other opening of the connector housing 130.

The release button 162 may be provided at the rear center of the upper region of the connector housing 110 so that the user may perform a detachment process even with one hand holding the handle, regardless of whether the user is left handed or right handed.

The release button may be made of a light transmissive material and may include a light source 163 having at least one light emitting color therein.

In the case of a single color light source, the charging state, the completion state, or the error state may be distinguished and displayed by turning on or off the light source 163 or flashing by a predetermined method. For example, methods such as continuous lighting, continuous light off, and blinking at regular intervals in the charged state, the completed state and the error state may be used.

If the light source has two or more colors, the light source 163 may include an LED device having at least two different emission colors.

By using the LED elements having different colors, the controller of the electric vehicle charging device may control the emission color of the LED element differently according to the electric vehicle charging state. For example, the red LED device is turned on during charging and the green LED device is turned on when the charging is completed, so that the user can easily determine the charging state.

Figure 4 shows an exploded perspective view of the connector for charging the electric vehicle shown in Figure 3 according to the present invention. As shown in FIG. 4, the terminal housing 130 is a cylindrical structure and includes a power terminal mounting hole 137 and a communication terminal mounting hole formed to insert-mount the power terminal 131 and the communication terminal 132. 139 may be provided.

A plurality of communication terminal mounting holes 139 may constitute one mounting hole. A sealing member 133 that provides a sealing function at the rear of the terminals 131 and 132 and a front portion of the sealing member 133 to block the sealing member 133 from moving in the direction of the tip of the terminal 131. A cable C provided in the support member 134 and having a larger outer diameter than the inner diameter of the sealing member 133 and tightly attached to the means of the sealing member 133 and corresponding to the terminal 131. It may include a rear holder 135 formed with a cable inlet for the introduction of the positive or negative wire (W) branched from.

In the embodiment shown in FIG. 3, the sealing member, the supporting member and the rear holder are shown to be provided only in the power terminal, but may naturally be added for sealing the communication terminal.

Such a configuration may be stably supported by the sealing member 133 and the support member 134 located at the rear of the terminal 131 even when excessive force is applied during the fastening of the connector 100 and the inlet 200. The position can be retained, and the sealing member 133 allows the sealing state of the cable joint to be stably maintained.

As shown in FIG. 4, a locking protrusion 1302 may be formed on the top surface of the terminal housing 130 by a locking latch.

5 shows a cross-sectional view of a connector of an electric vehicle charging device according to the invention. As shown in FIG. 5, a pair of guide protrusions 136 are provided on a side surface of the connector housing and are inserted into and mounted in a long hole guide hole 1502 formed at an upper end of the lever.

The upper end of the lever 150 branches in the vicinity of the hinge 151 and extends in the lateral direction of the terminal housing 130. Accordingly, the upper ends of the pair of extended levers protrude the terminal housing in a direction corresponding to the direction of rotation of the lever with each guide pin 136 seated inside the guide hole.

In addition, as described above, since the positions of the guide pin and the guide hole may be changed, the guide pin may be provided at the upper end of the lever and the guide hole may be provided in the terminal housing.

FIG. 6 illustrates a state in which the terminal housing is pushed in a state in which a lever of the connector of the electric vehicle charger shown in FIG. 2 is pulled, and FIG. 7 is a state in which the lever of the connector of the electric vehicle charger shown in FIG. Shows a state in which the terminal housing is propelled.

2 and 3, when the user pulls the lever part 153 of the lever 150 provided in the connector 100 to the handle part 141 side of the handle 140, the lever The guide pin 136 provided in the terminal housing 130 is pushed in correspondence with the rotation direction of the lever by the guide hole 1402 formed at the upper end.

That is, when the lever 150 rotatably supported by the hinge 141 rotates, the terminal housing 130 may be propelled in the electric vehicle inlet direction and connected to the electric vehicle inlet.

In addition, in each embodiment, the fixing protrusion 161c of the fixing latch 161 is caught by the locking protrusions 1302 and 1402 provided on the upper surface of the sliding part 142 of the handle or the terminal housing 130.

As described above, since the inclination directions of the fixing protrusion and the locking protrusion have a corresponding inclination so as to allow a smooth mounting, a large force is not required to displace the terminal housing 130.

In addition, when the inclined surface of the fixing protrusion is over the inclined surface of the locking projection, the spring is installed on the lever and even if the restoring force is applied, the fixed side of the fixing latch and the vertical side of the locking protrusion are engaged with each other to propel the terminal housing or The displaced state can be maintained.

6 and 7 respectively have a release button 162 to release the fixed state of the terminal housing 130 or the handle 140 after the charging is completed to the elasticity applied to the lever 150. The terminal housing 130 may be retracted by the restoring force.

That is, as shown in Figure 4, since the lever 150 is supported by the spring 158 in the connector housing 130, the restoring force to rotate the lever to its original position when the traction state of the lever is released Can be.

In this case, the locking state of the locking protrusions 1302 and 1402 of the fixing latch 161 is released by the release button 162, and the restoring force applied to the lever 150 is the sliding portion of the handle 140 ( The terminal housing 130 fixed by the 142 is retracted to allow the terminal housing 130 to be received into the inner space of the connector body 110.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. . It is therefore to be understood that the modified embodiments are included in the technical scope of the present invention if they basically include elements of the claims of the present invention.

100: connector 200: inlet
110: connector body 120: terminal housing
130: terminal housing 140: handle
150: lever

Claims (17)

Communication terminals and power terminals;
A terminal housing mounted with the communication terminal and the power terminal;
A connector body having openings at both ends and mounted such that the terminal housing is displaceable in an internal space; And,
A lever coupled to the connector body by a hinge and for pushing the terminal housing so that the front end of the terminal housing is displaced in the direction of any one of the openings;
A guide pin is provided on the side of the terminal housing, and a guide hole having a long hole shape is inserted into the upper end of the lever. When the lever is rotated, the guide pin is pushed by the inner wall of the guide hole. Connector for electric vehicle charger. The method of claim 1,
A handle which is fastened to a rear end of the terminal housing and is pulled by the terminal housing when the lever is rotated and slidable at another opening of the connector body; connector. The method of claim 2,
The handle is a connector of the electric vehicle charging device including a sliding portion extending and bent from the handle portion and the rear end of the terminal housing is slidable at the other opening of the connector body. The method of claim 3,
The connector of the electric vehicle charging device, characterized in that the cable protection member of the rubber material having a diameter corresponding to the inner diameter of the handle portion is provided below the handle portion. The method of claim 1,
The guide hole is a connector of the electric vehicle charging device, characterized in that formed in parallel with the longitudinal direction of the upper end of the lever. The method of claim 1,
The guide pin is a connector of the electric vehicle charging device, characterized in that a pair is provided on a position corresponding to each other on both sides of the terminal housing. The method according to claim 6,
And the upper end of the lever is branched near the hinge to bend and extend in the direction of each guide pin. The method of claim 1,
Maintaining a state in which the connector of the electric vehicle charging device is fastened to the inlet of the electric vehicle and a fixing latch fixed to the terminal housing displaced so as to fix the displaced state of the terminal housing in the connector body when the lever rotates. The connector of claim 1, further comprising a fastening latch, wherein the fixed state release operation of the fixed latch releases the fastening state of the fastening latch. 9. The method of claim 8,
And a release button for releasing the fixed state of the terminal housing by the fixed latch on the connector body, wherein the fixed latch and the fastening latch are hinged to the connector body and have one end of the fixed latch by the release button. When the pressure is pressed the other end of the fixed latch ascends one end of the body latch, the other end of the fastening latch is lowered to release the fastening state of the fastening latch to the inlet of the electric vehicle connector. The method of claim 2,
And a fixing latch fixed to the handle to fix the displaced state of the terminal housing in the connector body when the lever is rotated. The method of claim 10,
And a release button for releasing a fixed state of the terminal housing or the handle by the fixed latch on the connector body. The method according to claim 9 or 11,
The release button is a connector of the electric vehicle charging apparatus, characterized in that provided in the upper center area near the other opening of the connector housing. The method of claim 12,
The release button is made of a light-transmissive material, the connector of the electric vehicle charging device, characterized in that it has a light source having at least one light emitting color therein. The method of claim 13,
The control unit of the electric vehicle charging apparatus, the connector of the electric vehicle charging apparatus, characterized in that for controlling the operation method or the emission color of the light source differently according to the electric vehicle charging state. 11. The method according to claim 8 or 10,
The connector of the electric vehicle charging device, characterized in that at least one locking projection is formed on the upper end of the terminal housing or the handle to selectively lock the fixing latch. 16. The method of claim 15,
Side inclination of the locking projections connector of the electric vehicle charging apparatus, characterized in that different. A terminal housing equipped with a communication terminal and a power terminal;
A connector body slidably receiving the terminal housing;
A lever rotatably fixed to the connector body and constrained at an end of the terminal housing to propel the terminal housing in a predetermined direction; And,
A handle fixed to the terminal housing and towed by the terminal housing when the lever is rotated.

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