CN102255181B - Socket and charging device equipped with such socket - Google Patents

Abstract

The invention provides a receptacle and a charging device including same. The receptacle includes: a receptacle main body which is provided with an insert inlet in front, wherein the insert is inserted on a plug; a door body at least covering the closing position of the insert insert from the front side and driving the insert inlet to shift between the opening positions at which the insert inlet is exposed outwards. A projecting part projecting ahead from the front side of a receptacle main body is arranged on the receptacle main body and the door body is installed on the projecting part. Additionally, the insert inlet is arranged in front of the projecting part.

Description

Socket and charging device equipped with such socket

technical field

The present invention relates to a socket and a charging device equipped with the socket. The socket comprises: a socket main body having an insert insertion port for inserting an insert on a plug; A displacement is performed between a closed position of the opening and an open position in which the insert insertion opening is exposed to the outside.

Background technique

Conventionally, a device described in Patent Document 1 has been known as a socket. Some of these sockets are installed exposed on the wall of the house, and some are built into the inside of a panel such as a switchboard.

In addition, in recent years, such sockets have sometimes been incorporated into electric vehicle charging stands, and the electric vehicle charging stands are connected to the electric vehicle via cables to charge the electric vehicle.

Patent Document 1 Japanese Unexamined Patent Publication No. 2002-134216

Contents of the invention

However, since the outside and the inside of the socket communicate through the blade insertion opening, foreign matter such as insects or dust may enter the inside of the socket when the blade of the plug is not connected to the blade insertion opening of the socket. For the problem of foreign matter entering, it can be solved by setting a door body on the surface of the socket to cover the insertion opening of the insert.

However, for the structure in which the door body is provided on the socket, because there is a possibility that the door body and the structural parts of the loaded device may interfere when it is installed in a device such as a switchboard or an electric vehicle charging stand, the socket is relatively It is more difficult to locate the loaded equipment.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a receptacle capable of suppressing entry of foreign matter into a blade insertion opening and easily incorporated into equipment, and a charging device provided with the receptacle.

The socket of the present invention is characterized in that it is equipped with: a socket main body, which has a blade insertion opening for inserting the blade on the plug at the front; The insertion port is displaced between the open positions exposed to the outside; a protruding portion protruding forward from the front of the socket main body is provided on the above-mentioned socket main body, and the above-mentioned door body is installed on the above-mentioned protruding portion, and on the above-mentioned protruding portion The front is provided with the above-mentioned inserting piece insertion port.

In this socket, preferably, a recess recessed toward the rear is provided on the front of the protruding portion, the insert insertion port is provided on the bottom surface of the recess, and the door covers the recess.

In this socket, it is preferable that a fixing part is provided on the above-mentioned door body, and when the above-mentioned blade is inserted into the above-mentioned blade insertion opening, by fixing the protrusion provided on the above-mentioned plug, the insertion of the plug is prevented. The blade comes off from the above-mentioned blade insertion hole.

In this socket, it is preferable that the door body is such that one end of the door body is mounted on the protruding portion, and the other end of the door body can be rotated around the one end of the door body through the door body and the door body. The front surface of the protruding portion abuts to cover the insertion opening of the insertion piece and rotates between the closed position and the open position. In the state where the door body abuts the front face of the protruding portion, the other end side of the door body The end portion protrudes from the protruding portion to the other end side.

In this socket, it is preferable that a cover for smoothing the front surface of the socket body is attached to the socket body by covering the periphery of the protruding portion.

In the charging device including the socket, it is preferable to charge the battery by connecting an external device including the battery via a cable.

According to the present invention, it is possible to provide a receptacle capable of suppressing entry of foreign matter into a blade insertion port and being easy to incorporate into a device, and a charging device provided with the receptacle.

Description of drawings

Fig. 1 is an embodiment of the socket of the present invention, (a) and (b) are perspective views of a charging stand equipped with the socket, and (c) is a perspective view showing an exploded three-dimensional structure around the socket.

Fig. 2 is a perspective view showing an exploded three-dimensional structure of the socket of the embodiment.

Fig. 3 is directed at the socket of this embodiment, (a) is a perspective view showing the three-dimensional structure of the socket when the door is in an open position, (b) is a perspective view showing the three-dimensional structure of the socket in a state where the door is in a closed position, (c) It is an enlarged view of the front end of the door body in a state where the door body is in a closed position.

FIG. 4 (a) is a perspective view showing the three-dimensional structure of the plug viewed from above, and (b) is a perspective view showing the three-dimensional structure of the plug seen from below, regarding the plug connected to the socket of this embodiment.

5( a ) to ( d ) are schematic diagrams showing a state in which a plug is connected to the socket of this embodiment.

6 ( a ) and ( b ) are plan views showing the positional relationship between the protruding portion of the socket and the protruding portion of the plug in a state where the plug is connected to the receptacle and the plug of this embodiment.

7( a ) to ( c ) are schematic diagrams showing a state in which the plug is removed from the outlet of this embodiment.

Fig. 8 is a perspective view showing a three-dimensional structure of the socket for another embodiment of the socket of the present invention.

Fig. 9 is a perspective view showing a three-dimensional structure of the socket for another embodiment of the socket of the present invention.

Fig. 10 is a perspective view showing a three-dimensional structure of the socket for another embodiment of the socket of the present invention.

Fig. 11 is another embodiment of the socket of the present invention, (a) and (b) are enlarged views of the periphery of the front end of the door body.

12 is a schematic cross-sectional view schematically showing a cross-sectional structure of a socket of a comparative example.

Symbol Description

10...socket, 20...socket main body, 23...protruding part, 23A...front, 24...recess, 25...insert piece insertion port, 31...door body, 32...shaft (central axis of rotation), 44...resistance Connect the protruding part (fixed part), 45... the front end part (the end part on the other end side of the door body), 50... the plug, 52... the inserting piece, 56... the protruding part, 60... the cover body.

Detailed ways

An embodiment in which the socket of the present invention is embodied as a socket installed in a charging stand will be described with reference to FIGS. 1 to 7 .

As shown in FIG. 1 , the charging stand 1 is a charging device for charging a battery mounted in the electric vehicle by being connected to the electric vehicle through a cable. The charging stand 1 is set up in an outdoor parking lot, for example.

The charging stand 1 includes a stand body 2 formed in a vertically long rectangular parallelepiped shape, and a horizontally openable door 3 provided at a predetermined height of the stand body 2 . The door 3 is formed in a substantially square shape, and is openably and closably displaceable between a closed position shown in FIG. 1( a ) and an open position shown in FIG. 1( b ). As shown in FIG. 1( b ), a recess 4 is provided on a portion of the seat main body 2 corresponding to the door 3 . A socket 10 is attached to a substantially central portion of the wall body 5 constituting the rear side of the recess 4 . That is to say, the socket 10 is built into the charging stand 1 .

As shown in FIG. 1( c ), the wall body 5 is provided with an opening 5A for exposing the socket 10 and four mounting holes 5B around the opening 5A. The socket 10 is installed on the wall body 5 with screws 6 through each installation hole 5B.

In the back, set the side where the door 3 is set as "front", set the side where the socket 10 is set, that is, the inner side of the charging stand 1 as "rear", and set the long side as the direction in which the charging stand 1 is set up. The direction is set as "up-down direction Z", the left-right direction of the charging stand 1 is set as "left-right direction Y", and the direction perpendicular to both the up-down direction Z and the left-right direction Y, that is, the front-rear direction of the charging stand 1 is set as "Forward and backward direction X".

Referring to FIG. 2 and FIG. 3 , the structure of the socket 10 will be described.

As shown in Figure 2, the socket 10 comprises: a socket main body 20, which is formed with an insert insert opening 25 for inserting the insert 52 (see Figure 4) on the plug 50 at the front; and displace in such a way that the blade insertion port 25 can be opened and closed.

The socket main body 20 is provided with a rectangular parallelepiped housing 21 formed of a resin material. Inside the housing 21 is accommodated a tab receiving member (not shown) that supplies power to the tab 52 by connecting the tab 52 .

At the central portion in the left-right direction Y of the front surface 22 of the casing 21, a protruding portion 23 protruding forward from the front surface 22 is provided. On the four corners of the front surface 22 of the housing 21, screw holes 26 for fixing the screws 6 are respectively provided.

The protruding portion 23 is formed in a curved shape above and a rectangular shape below in a plan view viewed from the front. In addition, the protrusion amount of the protruding portion 23, that is, the ratio of the distance in the front-rear direction X between the front surface 22 of the housing 21 and the front surface 23A of the protruding portion 23 is the thickness of the wall body 5 (see FIG. 1 ) in the front-rear direction X. The plate thickness is slightly larger.

A support portion 27 protruding forward from the protruding portion 23 is provided at the lower end portion of the front surface 23A of the protruding portion 23 . A door opening and closing mechanism 30 is attached to the support portion 27 .

In the central portion of the protruding portion 23, a recess 24 recessed from the front surface 23A of the protruding portion 23 toward the rear is provided. The recess 24 is formed in a circular shape in a plan view viewed from the front. The inner diameter of the recess 24 is approximately equal to the outer diameter of the front end of the plug body 51 (see FIG. 4 ) of the plug 50 . Specifically, the inner diameter of the recess 24 is slightly larger than the outer diameter of the plug body 51 .

A tab insertion opening 25 is provided on a bottom surface 24A of the recess 24 . The blade insertion opening 25 includes a power supply insertion opening 25A arranged in the left-right direction Y and a grounding insertion opening 25B arranged between the two power supply insertion openings 25A and below the power supply insertion opening 25A.

The support portion 27 is provided with a through-hole 27A that penetrates the support portion 27 toward the left-right direction Y. As shown in FIG. The through hole 27A is designed to be located further forward than the front surface 23A of the protruding portion 23 .

The door body opening and closing mechanism 30 includes a door body 31 for opening and closing the insertion port 25, a shaft 32 inserted into the through hole 27A, and a coil spring engaged between the shaft 32 and the door body 31 (hereinafter referred to as "spring member 33"). ).

In the closed position, the door body 31 is formed in a flat plate shape with a curved upper part and a rectangular lower part like the protruding part 23 . The width in the left-right direction Y of the door body 31 is substantially equal to the width in the left-right direction Y of the portion below the protruding portion 23 , that is, the rectangular portion of the protruding portion 23 .

When the door body 31 is in the open position, a recess 41 recessed downward is provided at the central portion of the door body 31 in the left-right direction Y. The recess 41 is formed so that it extends toward the front-rear direction X and the width in the left-right direction Y of the rear portion becomes larger than the width of the front portion in the left-right direction Y.

On the front end portion of the door body 31 , that is, in front of the recess 41 of the door body 31 , a curved recess 42 is provided. The curved recessed portion 42 is formed in a curved shape dented downward toward the front of the curved recessed portion 42 .

On the rear end portion of the door body 31 , a pair of shaft insertion portions 43 through which the shaft 32 (see FIG. 2 ) is inserted is provided across the recess 41 in the left-right direction Y. As shown in FIG. In addition, in a state where the door opening and closing mechanism 30 is attached to the socket body 20 , the pair of shaft insertion portions 43 sandwich the support portion 27 from both sides in the left-right direction Y. As shown in FIG.

On the bottom surface 41A in front of the recess 41, two abutment protrusions 44 are adjacently arranged in the left-right direction Y, and the two abutment protrusions 44 abut against the plug when the plug 50 is connected to the receptacle 10. 50 on. The contact protrusion 44 is formed in a triangular shape protruding upward from the bottom surface 41A in a plan view viewed from the left-right direction Y. As shown in FIG. That is, the contact protrusion 44 is provided with an inclined portion 44A inclined upward as it approaches the rear and a fixed portion 44B connecting the top and bottom surfaces 41A of the inclined portion 44A and extending in the vertical direction Z.

The door 31 is displaceable between an open position exposing the blade insertion port 25 to the outside as shown in FIG. 3( a ) and a closed position covering the blade insertion port 25 from the front as shown in FIG. 3( b ). That is to say, the door body 31 can rotate between the open position and the closed position with the shaft 32 as the rotation center. In the following, the rotation direction of the door body 31 is referred to as the "opening and closing direction W", the direction of opening the door body 31 is referred to as the "opening direction", and the direction of closing the door body 31 is referred to as the "closing direction".

As shown in FIG. 3( a ) and FIG. 3( b ), the shaft 32 is arranged in front of the front surface 23A of the protruding portion 23 . And when the door body 31 is both the open position and the closed position, the whole door body 31 is arrange|positioned ahead of this front surface 23A.

As shown in FIG. 3( b ), when the door body 31 is in the closed position, the door body 31 covers the recess 24 from the front. Specifically, the door body 31 is in contact with the edge portion of the recess 24 in the front surface 23A of the protruding portion 23 . In addition, the spring member 33 (see FIG. 2 ) biases the door body 31 in the closing direction. Accordingly, when the door body 31 is in the closed position, the door body 31 biases the front surface 23A of the protruding portion 23 toward the rear by the urging force of the spring member 33 . In addition, when the door body 31 is in the closed position, the shaft insertion portion 43 is disposed above the lower end portion of the protruding portion 23 .

As shown in Figure 3 (c), the door body 31 can be the other end of the door body 31 that is rotated on the closed position with the door body 31 end installed on the support portion 27 of the protruding part 23 as the center of rotation, i.e. the front end portion 45. The protruding portion 23 further protrudes toward the other end side. That is, the door body 31 is in the closed position, and the upper end portion of the door body 31 protrudes upward more than the upper end portion of the protruding portion 23 .

Referring to FIG. 4 , the structure of the plug 50 will be described.

As shown in FIG. 4( a), the plug 50 includes: a plug body 51 formed in a cylindrical shape with a long side in the front-rear direction X and held by the user; an insert 52 protruding from the plug body 51 toward the rear; The cable 53 is connected to the front end portion of the plug body 51 . The tab 52 includes a pair of power supply tabs 52A arranged in the left-right direction Y and a ground pin 52B arranged between the two power supply tabs 52A in the left-right direction Y and below the tabs 52A. The power supply tab 52A is formed in a flat plate shape. The ground pin 52B is formed in a circular pin shape.

Above the rear end portion of the plug body 51, a position indicating portion 54 indicating the positions of the power supply blade 52A and the ground pin 52B is provided. On both sides of the central portion in the front-rear direction X of the plug body 51 , there are provided planar gripping portions 55 that are gripped by the user's fingers. Below the central portion in the front-rear direction X of the plug body 51 , there is provided a protrusion 56 protruding downward in a spherical shape.

The position indicating portion 54 is a rectangular protrusion extending in the front-rear direction X. As shown in FIG. Furthermore, when the position indication part 54 is located above the plug 50, the power supply pins 52A are arranged in the left-right direction Y, and the ground pin 52B is arrange|positioned below it.

As shown in FIG. 4( b ), the protruding portion 56 includes an inclined portion 57 inclined downward as it approaches the front, a top 58 extending forward from the lower end portion of the inclined portion 57 , and a top portion 58 extending from the front end portion of the top 58 as it approaches the front. And the abutting portion 59 inclined upward. A rear recessed portion 57A recessed upward is provided at a central portion in the left-right direction Y of the inclined portion 57 . A front recessed portion 59A recessed upward is provided at a central portion in the left-right direction Y of the contact portion 59 . These recesses 57A, 59A are demarcated by a top 58 .

The rear recessed portion 57A includes a pair of rear side surfaces 57B inclined to increase in width in the left-right direction Y as it approaches the rear, and a pair of rear side surfaces 57B that connect the rear side surfaces 57B in the left-right direction Y and extend in the up-down direction Z on the front end portion of the rear side surfaces 57B. Connecting surface 57C.

The front recessed portion 59A includes a pair of front side surfaces 59B facing each other in the left-right direction Y and extending in the up-down direction Z, and connecting the front side surfaces 59B in the left-right direction Y and extending in the up-down direction Z on the rear end portion of the front side surfaces 59B. Extended abutment surface 59C.

Referring to FIG. 5 and FIG. 6 , a state in which the plug 50 is connected to the socket 10 will be described. In addition, in FIG. 5, the internal structure of the socket 10 is omitted for illustration, and only the door body 31 is shown as a cross-sectional structure. In addition, the cable 53 of the plug 50 is also omitted for illustration.

As shown in FIG. 5( a ), the user displaces the door body 31 from the state where the door body 31 is in the closed position to the open position (hereinafter referred to as "opening operation"). In the state of this door body 31, as shown in FIG. The protruding portion 56 of 50 is received in the recess 41 of the door body 31 .

In this state, the tab 52 is arranged at a position corresponding to the tab insertion opening 25 (see FIG. 3 ) in the front-rear direction X. As shown in FIG. Specifically, the front end portion of the ground pin 52B is inserted into the ground insertion port 25B (see FIG. 3 ). On the other hand, the power supply plug 52A is disposed in front of the power supply insertion port 25A (see FIG. 3 ). Then, when the plug 50 is inserted backward in this state, the blade 52 is inserted into the blade insertion port 25 .

In addition, the width in the left-right direction Y of the protrusion 56 is substantially equal to the width in the left-right direction Y of the portion of the recess 41 that is further forward than the contact protrusion 44 . Specifically, the width of the aforementioned portion of the recess 41 is slightly larger than the width of the protrusion 56 . Therefore, when the plug 50 moves in the left-right direction Y relative to the door body 31 with the protrusion 56 accommodated in the recess 41 , the protrusion 56 contacts the side surface of the recess 41 in the left-right direction Y. As a result, movement of the plug 50 in the left-right direction Y with respect to the door body 31 is restricted.

And, as shown in FIG. 5( c), by moving the plug 50 to the rear, the protrusion 56 abuts against the abutment protrusion 44 of the door body 31, and the door body 31 is moved from the position shown in FIG. 5( b ). Turn further toward opening. At this time, the front end portion of the power supply plug 52A is inserted into the power supply insertion port 25A (see FIG. 3 ).

As shown in Figure 5(d), after the protrusion 56 crosses over the top of the abutting protrusion 44, the door body 31 rotates towards the closing direction by means of the active force of the spring member 33 (see Figure 2), and the protrusion 56 The rotation is stopped in a state of being in contact with the bottom surface 41A of the recess 41 . At this time, the blade 52 is inserted into the blade insertion port 25 (see FIG. 2 ), and the connection between the plug 50 and the socket 10 is completed.

In this state, a slight gap is formed between the inner peripheral surface of the recess 24 and the outer peripheral surface of the plug body 51 . Here, the "minor gap" refers to a gap so small that a user's finger cannot be inserted. Therefore, when the plug 50 is inserted so as to change from the state of FIG. 5( c ) to the state of FIG. 5( d ), the user's finger is restrained from protruding into the recess 24 .

As shown in FIG. 6 , in the state where the plug 50 is connected to the socket 10 , the abutting protrusion 44 is housed in the front recessed portion 59A. Specifically, as shown in FIG. 6( a ), the fixing portion 44B of the contact protrusion 44 is in contact with the contact surface 59C in the front-rear direction X. As shown in FIG. In addition, as shown in FIG. 6( b ), the contact protrusion 44 is arranged between the pair of front side surfaces 59B in the left-right direction Y, and is adjacent to each front side surface 59B. Specifically, the width T1 in the left-right direction Y of the front side surface 59B is substantially equal to the width T2 in the left-right direction Y of the two contact protrusions 44 . Specifically, the width T1 of the front side surface 59B is slightly larger than the width T2 of the contact protrusion 44 . Therefore, the door body 31 fixes the plug 50 . In detail, the abutment protrusion 44 and the protrusion 56 are fixed to each other, so that the tab 52 is prevented from falling out of the tab insertion opening 25 (see FIG. 2 ).

Referring to FIG. 7 , a state in which the plug 50 is removed from the socket 10 will be described. In addition, in FIG. 7, the internal structure of the socket 10 is omitted for illustration, and only the door body 31 is shown as a cross-sectional structure. In addition, the cable 53 of the plug 50 is also omitted for illustration.

As shown in FIG. 7( a ), the user moves the door body 31 in the opening direction. In this state, the engagement between the protruding portion 56 and the abutting protruding portion 44 is disengaged. Then, as shown in FIG. 7( b ), when the user pulls out the plug 50 forward, the state in which the plug 50 is pulled out from the socket 10 as shown in FIG. 7( c ) is achieved. At this time, if the user releases the finger from the door body 31 , the door body 31 rotates to reach the closed position by virtue of the force of the spring member 33 .

According to the present embodiment, the following effects can be produced.

(1) According to the present embodiment, since the door body 31 covers the blade insertion port 25 when the plug 50 is not connected to the socket 10 , foreign matter such as insects can be prevented from entering the socket 10 through the blade insertion port 25 .

However, as shown in FIG. 12 , when no protruding portion is provided on the socket main body 110 , it is difficult to position the socket 100 with respect to the wall body 5 . Therefore, when the socket 100 is installed at a position shifted upward relative to the expected installation position of the wall body 5, since the door body 120 comes into contact with the wall body 5, the door body 120 cannot completely cover the inserted piece. mouth. As a result, foreign matter may enter the socket main body 110 through the blade insertion opening.

In addition, when the socket 100 is installed at a position shifted downward relative to the expected installation position of the wall body 5 , the support part 130 which is the center of the door body 120 turning on the socket 100 and the wall body 5 are fixed. touch. As a result, the door body 120 cannot rotate from the closed position toward the open position.

In this regard, in this embodiment, since the positioning of the socket 10 relative to the wall 5 of the charging stand 1 is performed by inserting the protruding portion 23 into the opening 5A of the wall 5, the socket 10 can be easily mounted. Locate on the expected installation position of the wall body 5. Accordingly, since the positional displacement of the socket 10 relative to the wall body 5 can be suppressed, it is possible to suppress a situation where the door body 31 cannot completely cover the blade insertion port 25 .

In addition, since the socket 10 is positioned with respect to the wall body 5 , the support portion 27 and the shaft insertion portion 43 can be disposed in the opening portion 5A of the wall body 5 . Therefore, it is possible to prevent the door body 31 from being unable to rotate from the closed position to the open position due to the contact between the support portion 27 and the shaft insertion portion 43 and the wall body 5 . According to the above, the socket 10 can be easily installed into the wall body 5 .

(2) According to the present embodiment, since the recess 24 is provided inside the protruding portion 23 , when the user connects the plug 50 to the receptacle 10 , it is possible to prevent the user from protruding into the recess 24 . In addition, by covering the recess 24 with the door body 31 , entry of foreign matter into the recess 24 can be suppressed.

(3) In this embodiment, since the fixing portion 44B of the contact protrusion 44 of the door body 31 abuts against the contact surface 59C of the protrusion 56 of the plug 50, the insertion of the tab 52 can be maintained until the tab is inserted. The state in port 25. Therefore, even if force is unintentionally applied in the direction of pulling out the plug 50 from the socket 10 by scratching the cable 53 or the like of the plug 50 , the plug 50 can be prevented from falling out of the socket 10 .

(4) In this embodiment, since the front end portion 45 as the other end of the door body 31 protrudes upward (the other end side) from the protruding portion 23 , it is easy to put the user's fingers when the user performs an opening operation. It rides on the front end portion 45 . Thus, the user can easily perform the opening operation.

(5) In the present embodiment, the curved recessed portion 42 is provided on the front end portion 45 of the door body 31 . Thereby, the user's fingers are easy to rest on the curved recessed portion 42 . Therefore, the user can perform the opening operation more easily.

(6) In this embodiment, the positioning of the socket 10 with respect to the wall body 5 is performed by inserting the protruding part 23 into the opening part 5A of the wall body 5 . That is, the opening 5A functions to position the socket 10 and to expose the tab insertion port 25 to the outside. Therefore, since the dedicated opening for inserting the protruding portion can be omitted from the wall body 5 , the shape of the wall body 5 can be simplified.

(7) In the present embodiment, the upper side of the protruding portion 23 has a curved shape and the lower side has a rectangular shape in a plan view viewed from the front. That is, the shape of the protruding portion 23 is formed vertically asymmetrically. Therefore, the orientation of the socket 10 can be easily and visually recognized in the vertical direction Z. Therefore, the work of attaching the socket 10 to the wall body 5 can be easily performed by a worker.

(8) In the present embodiment, the door body 31 is in the closed position, the door body 31 is disposed above the lower end portion of the protruding portion 23 , and the width of the door body 31 in the left-right direction Y and the rectangular shape of the protruding portion 23 The widths of the parts in the left-right direction Y are substantially equal. Therefore, even if the front end portion 45 of the door body 31 protrudes upward from the protruding portion 23, the socket 10 can be inserted into the opening portion 5A by moving the socket 10 downward relative to the opening portion 5A of the wall body 5. Door body 31 . Thereafter, by moving the protrusion 23 so as to fit into the opening 5A, the protrusion 23 can be inserted into the opening 5A. Therefore, the operator can easily carry out the work of installing the socket 10 on the wall body 5 .

(9) In this embodiment, the spring member 33 which biases the door body 31 in the closing direction is provided. Thereby, after the plug 50 is pulled out from the socket 10, since the door body 31 will automatically rotate to a closed position, it can suppress that the door body 31 forgets to close.

(10) In the present embodiment, a recess 41 is provided on the door body 31 . Therefore, since the protruding portion 56 of the plug 50 is accommodated in the recess 41 when the plug 50 is inserted into the socket 10, the positioning of the plug 50 in the left-right direction Y relative to the blade insertion port 25 can be performed.

(11) In the present embodiment, when the plug 50 is connected to the socket 10 , the contact protrusion 44 of the door 31 is accommodated in the front recess 59A of the protrusion 56 . Therefore, movement of the plug 50 in the left-right direction Y can be restricted.

(12) In the present embodiment, the door body 31 is in the closed position, and the front surface 23A of the protruding portion 23 is pressed by the door body 31 . Therefore, the gap between the door body 31 and the front surface 23A becomes small. Therefore, the door body 31 is in the closed position, and foreign matter can be prevented from entering through the gap between the door body 31 and the front surface 23A.

(13) According to the present embodiment, by providing the position indication portion 54 on the plug 50 , it is possible to confirm the arrangement position of the insertion piece 52 . Therefore, it is possible to omit the work of confirming the arrangement position of the insertion piece 52 by the operator directly observing the insertion piece 52 .

(other embodiments)

The socket of this invention is not limited to the said embodiment, For example, the following changes are possible. In addition, the following modified examples are not only applicable to the above-mentioned embodiment, and different modified examples may be implemented in combination with each other.

In the above embodiment, as shown in FIG. 1 , the socket 10 is installed on the wall 5 of the charging stand 1 , but the usage of the socket 10 is not limited thereto. For example, it can also be used as an exposed socket fixed on the wall of a house. In this case, as shown in FIG. 8 , the cover body 60 is attached to the front surface of the socket main body 20 with screws (not shown). The lid body 60 is provided with an opening hole 61 fitted with the protruding portion 23 . The cover body 60 is inserted through the door body 31 and the protruding portion 23 through the opening hole 61 to be attached to the front surface of the socket main body 20 . And, in this state, the front surface 23A of the protruding portion 23 and the front surface of the lid body 60 become smooth. That is, the front of the socket 10 becomes smooth. Here, the front face 23A of the protruding portion 23 and the front face of the cover body 60 are smooth, which means that the front face 23A of the protruding portion 23 and the front face of the cover body 60 may continue smoothly, or may be slightly shifted in the front-rear direction X. .

Therefore, the appearance of the socket 10 can be improved when the socket 10 is used as an exposed socket. In addition, the socket main body 20 and the door body opening and closing mechanism 30 of the socket 10 can also be used as common components, and can also be used as a socket inside the device and an exposed socket. Accordingly, compared with the case where the socket main body 20 and the door opening and closing mechanism 30 are formed as separate dedicated components for the internal socket and the exposed socket, molds for the dedicated components can be omitted. As a result, reduction of manufacturing cost can be aimed at.

In addition, the front surface 23A of the protruding part 23 and the front surface of the cover body 60 may be formed as one surface. Therefore, the appearance of the socket 10 can be further improved when the socket 10 is used as an exposed socket.

In addition, the mounting form of the cover body 60 to the socket 10 is not limited to screws. For example, after providing engaging claws on the cover 60 and providing engaging recesses on the socket body 20 , the engaging claws may be engaged with the engaging recesses to attach the cover 60 to the socket body 20 .

In the above embodiment, as shown in FIG. 9 , the recess 41 and the contact protrusion 44 may be omitted from the door body 31 . In this case, the surface of the door body 31 is formed in a planar shape. In addition, although not shown, only the recess 41 or only the contact protrusion 44 may be omitted from the door body 31 .

In the above-described embodiment, as shown in FIG. 10 , the recess 24 may also be omitted from the housing 21 . In this case, the tab insertion opening 25 is formed on the front surface 23A of the protruding portion 23 . In addition, the door body 31 may be formed smaller than the door body 31 of the above-mentioned embodiment so that the blade insertion opening 25 may be covered.

In the above embodiment, as shown in FIG. 3 , the front end portion 45 of the door body 31 has a shape extending in the vertical direction Z, but the shape of the front end portion 45 is not limited thereto. For example, as shown in FIG. 11( a ), the door body 31 is in the closed position, and a front end protrusion 46 extending forward may also be provided on the front end portion 45 . In addition, as shown in FIG.11(b), this front-end|tip protrusion part 46 may be formed in the shape which inclines upward as it approaches to the front. Such a shape makes it easier to catch the user's finger on the door body 31, so that the user can perform the opening operation more easily.

In the above embodiment, although the front end portion 45 of the door body 31 protrudes upward from the protruding portion 23 as shown in FIG. or below.

In the above-mentioned embodiment, although as shown in FIG. 3 , the projecting portion 23 is formed in a curved shape at the top and a rectangular shape at the bottom in a plan view viewed from the front as shown in FIG. 3 , the shape of the projecting portion 23 is not limited thereto. . For example, the protruding portion 23 may be formed in a rectangular shape or a circle in a plan view viewed from the front. In short, the protruding portion 23 may be any shape as long as it can be inserted into the opening 5A of the wall 5 to position the socket 10 with respect to the wall 5 .

In the above-mentioned embodiment, although as shown in FIG. this. For example, a through hole through which the protrusion is inserted may be formed in a place of the wall body 5 different from the opening 5A, and the protrusion may be provided at a front position of the socket main body 20 corresponding to the through hole.

In the above-described embodiment, although as shown in FIG. 3 , the structure is that, by providing a support portion 27 on the lower end portion of the protruding portion 23, the door body 31 rotates with the shaft 32 installed on the support portion 27 as the rotation center. , but the structure in which the door body 31 rotates is not limited to this. For example, by providing the support portion 27 on the upper end portion of the protruding portion 23, the door body 31 may rotate around the shaft 32 attached to the support portion 27 as a rotation center. That is, one end of the door body 31 is an upper end, and the other end of the door body 31 is a lower end.

In the above embodiment, although the door 31 is provided on the front face 23A of the protruding portion 23 as shown in FIG.

In the above embodiment, although the front of the socket main body 20 is fixed on the wall 5 of the charging stand 1 as shown in FIG. 1 , the installation form of the socket main body 20 relative to the wall 5 is not limited thereto. For example, the rear or side surfaces of the socket main body 20 may also be fixed on the wall body 5 . In this case, by attaching the cover body 60 shown in FIG. 8 to the socket main body 20, the appearance of the socket 10 can be improved.

In the above-mentioned embodiment, although the socket 10 is incorporated in the charging stand 1 as shown in FIG. 1 , the application of the socket 10 is not limited to this. For example, the socket 10 may also be installed on an exterior wall surface of a building such as a house.

In addition, the socket 10 may also be installed in the control panel installed on the above-mentioned wall. In addition, it is not limited to the charging stand 1 as long as it has a socket body and a door body, the blade insertion opening is formed on the front surface of the socket body, and a protruding portion is provided after the door body is attached. As long as the front side of the socket 10 is mounted on a panel or the like, the same effect as the effect (1) of the above-mentioned embodiment can be produced.

In the above-described embodiment, the charging stand 1 that is connected to the electric vehicle via a cable to charge the battery of the electric vehicle is embodied as the charging device, but the type of the charging device is not limited thereto. The present invention can also be applied to other devices as long as it is connected to an external device including a battery via a cable to charge the battery.

Claims (5)

1. A socket, comprising: a socket main body, which has an insertion opening for inserting an insertion piece on a plug in the front; displacement between outwardly exposed open positions; characterized by, A protruding portion protruding forward from the front surface of the socket body is provided on the socket body, The door body is such that one end of the door body is mounted on the protruding portion, and the other end of the door body can be rotated around the one end of the door body, and can be used in a closed position that covers the insertion opening of the insertion piece from the front. The inserting piece insertion port is rotated between the open positions exposed to the outside, When the door body is in the closed position, the end portion of the other end side of the door body protrudes from the protruding portion toward the other end side, The above-mentioned insert insertion port is provided on the front of the above-mentioned protruding part, A fixing part is provided on the above-mentioned door body, and when the plug-in piece is inserted into the above-mentioned plug-in-piece insertion port, the protruding part provided on the above-mentioned plug is fixed to prevent the above-mentioned plug-in piece from falling off from the above-mentioned plug-in-piece insertion port, Movement of the plug in the left-right direction with respect to the door is restricted so that the protrusion provided on the plug is accommodated in the recess provided on the door. 2. The socket according to claim 1, characterized in that, A recess recessed toward the rear is provided on the front of the above-mentioned protruding portion, The above-mentioned insertion piece insertion port is provided on the bottom surface of the above-mentioned recess, The above-mentioned door body covers the above-mentioned recess. 3. The socket according to claim 1 or 2, characterized in that, A cover for smoothing the front surface of the socket body is attached to the socket body by covering the periphery of the protruding portion. 4. The socket according to claim 1 or 2, characterized in that, The above-mentioned door body is such that one end of the above-mentioned door body is installed on the above-mentioned protruding part, and the other end of the above-mentioned door body can use the one end of the above-mentioned door body as a rotation center to abut against the front of the above-mentioned protruding part through the above-mentioned door body. Rotate between the closed position and the open position to cover the insertion opening of the insert, In a state where the door body is in contact with the front surface of the protruding portion, an end portion on the other end side of the door body protrudes from the protruding portion toward the other end side. 5. A charging device, loaded into the socket according to claim 1 or 2, the charging device is characterized by: This charging device charges the battery by connecting it to an external device including the battery through a cable.

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