JP2021131944A - Usb connector structure, charger with the same and power supply tap - Google Patents

Abstract

To provide a USB connector structure capable of more surely preventing enter of a foreign substance while a USB plug is not inserted, a charger with the same and a power supply tap.SOLUTION: The present invention relates to a USB connector structure to which a USB plug is connectable. The USB connector structure comprises: a case including an opening to which the USB plug is inserted, a socket which is attached at a position corresponding to the opening inside of the case and becomes a receptacle of the USB plug inserted into the opening; a shutter which is provided inside of the case and openable/closable between a closed state where the opening is closed and an open state where the opening is opened and a socket is exposed; and an energizing member which energizes the shutter into the closed state. A first member and a second member constituting the shutter are positioned inside of the case with respect to an outer surface of the case as a whole regardless of respective rotation positions.SELECTED DRAWING: Figure 3

Description

The present invention relates to a USB connector structure to which a USB plug (male connector) can be connected, and a charger including the USB connector structure.

In recent years, a cable compliant with the USB (Universal Serial Bus) standard has been generally used as a cable for connecting an electronic device to a charger or another electronic device (hereinafter referred to as "charger or the like"). When connecting an electronic device to a charger, etc., connect the USB plug (male connector) provided at one end of the cable to the socket (female connector) provided in the charger or other electronic device, and then connect the cable. Connect various connectors provided at the other end of the device to the connector of the electronic device.

Further, in order to prevent foreign matter such as dust from entering the socket when the USB plug is not connected, a connector in which the socket is covered with a cover, a lid, or the like is known. For example, Patent Document 1 describes a USB connector with a cover that opens when a USB plug is inserted and automatically closes when the USB plug is pulled out.

Utility Model Registration No. 3204316

In the USB connector described in Patent Document 1, a connector cover that opens and closes according to the insertion and removal of the USB connector plug is provided so as to project outward from the front panel of the USB connector. In the configuration described in Patent Document 1, when an article other than the USB plug comes into contact with the connector cover, the connector cover opens, and there is a problem that foreign matter such as dust cannot be prevented from entering.

Therefore, it is an object of the present invention to provide a USB connector structure capable of more reliably preventing the intrusion of foreign matter when the USB plug is not inserted, and a charger and a power strip equipped with the USB connector structure.

The present invention relates to a USB connector structure to which a USB plug can be connected, and the USB connector structure is attached to a case having an opening into which the USB plug can be inserted and a position corresponding to the opening inside the case. , A socket that serves as a socket for a USB plug inserted into the opening, and is provided inside the case, and can be opened and closed between the closed state with the opening closed and the open state with the opening open and the socket exposed. A shutter and an urging member for urging the shutter to be closed are provided, and the shutter is provided on a first flat plate portion that overlaps a part of the opening in the closed state and an outer surface of the first flat plate portion. A first member having a first inclined portion to be formed and rotatable about a first rotation axis, a second flat plate portion overlapping the remaining portion of the opening in the closed state, and a second flat plate. It has a second inclined portion provided on the outer surface of the portion, includes a second member that is rotatable about a second rotation axis parallel to the first rotation axis, and is a first in a closed state. A part of the side surface of each of the flat plate portion and the second flat plate portion is in surface contact, and the first inclined portion and the second inclined portion are respectively from the contact surface of the first flat plate portion and the second flat plate portion. The USB plug is inserted into the case with an inclined surface whose height increases as the distance increases, and the tip of the USB plug is in contact with the inclined surfaces of the first inclined portion and the second inclined portion. As a result, the first member and the second member rotate about the first rotation axis and the second rotation axis, respectively, so that the shutter changes from the closed state to the open state, and the first member The second member as a whole is located inside the case with respect to the outer surface of the case regardless of the respective rotation positions.

The present invention also relates to a charger and a power strip having the above USB connector structure.

According to the present invention, it is possible to provide a USB connector structure capable of more reliably preventing foreign matter from entering when the USB plug is not inserted, and a charger and a power strip provided with the USB connector structure.

A perspective view showing a schematic configuration of the charger according to the first embodiment. Enlarged view of the opening shown in FIG. Sectional view taken along the line III-III shown in FIG. A perspective view showing a component of a shutter included in the charger shown in FIG. Cross-sectional view showing the opening operation of the shutter accompanying the insertion of the USB plug Cross-sectional view showing the opening operation of the shutter accompanying the insertion of the USB plug A perspective view showing a schematic configuration of a charger according to a second embodiment. An exploded perspective view showing a substrate and a USB connector structure included in the charger shown in FIG. Cross-sectional view taken along the IX-IX line shown in FIG.

Hereinafter, as an embodiment of the present invention, a charger to which a USB type A standard USB plug can be connected will be described.

(First Embodiment)
FIG. 1 is a perspective view showing a schematic configuration of a charger according to an embodiment, FIG. 2 is an enlarged view of an opening shown in FIG. 1, and FIG. 3 is along a line III-III shown in FIG. It is a cross-sectional view. In the following description, the direction may be specified by the x, y, and z orthogonal coordinate systems shown in FIGS. 1 and 2.

With reference to FIGS. 1 to 3, the charger 100 includes at least a case 3, a substrate 9 on which the socket 4 is mounted, a shutter 5, and an urging member for urging the shutter 5 to a closed state. Be prepared. The case 3, the socket 4, and the shutter 5 form a connector structure.

The case 3 is, for example, a molded resin product having a box shape, and accommodates at least the socket 4 and the shutter 5. The case 3 may be configured as two or more divided bodies, in which case the divided bodies are integrated with each other by fitting or by using screws. The front surface portion 10 of the case 3 is a flat plate-shaped member having a flat outer surface, and the front surface portion 10 is provided with an opening 6 into which a USB plug can be inserted.

As shown in FIG. 2, in the present embodiment, the opening 6 is formed in a cross shape. The cross shape of the opening 6 consists of a first rectangle (indicated by a two-point chain line) having a pair of short sides parallel to the x-axis and a pair of long sides parallel to the y-axis, and a pair parallel to the x-axis. And a second rectangle (indicated by a long broken line) having a pair of short sides parallel to the y-axis are superposed so as to intersect with each other. The portion of the opening 6 corresponding to the first rectangle has the same shape as the tip surface (cross section) of the USB plug, but is formed slightly larger than the USB plug so that the USB plug can be inserted. Further, in the portion of the opening 6 corresponding to the second rectangle, the first inclined portion 15 of the first member 11 and the second inclined portion 16 of the second member 12, which will be described later, are accommodated. NS. However, the shape of the opening 6 is not particularly limited as long as the USB plug can be inserted.

The socket 4 is a receptacle conforming to the USB standard, and is a member that serves as a receiving port for a USB plug inserted into the opening 6. Therefore, the socket 4 is located inside the case 3 at a position corresponding to the opening 6, and more specifically, at a position corresponding to the portion of the opening 6 corresponding to the first rectangle into which the USB plug can be inserted. Is placed in. The socket 4 is fixed to the board 9, and each terminal inside the socket 4 is electrically connected to a circuit provided on the board 9. The substrate 9 includes a rectifier circuit, a voltage control circuit, a current control circuit, and the like.

Although not shown, the charger 100 is provided with a plug for connecting to an AC power outlet, a connector for connecting a power cord for AC power connection, and the like, and is provided through the plug and the power cord. Power is supplied to the substrate 9.

The shutter 5 is attached to the inside of the case 3 and can be opened and closed between the closed state in which the opening 6 is closed and the open state in which the opening 6 is opened. The shutter 5 includes a first member 11 and a second member 12. Hereinafter, the details of the first member 11 and the second member 12 constituting the shutter 5 will be described with reference to FIG.

FIG. 4 is a perspective view showing a component of a shutter included in the charger shown in FIG. More specifically, FIG. 4 (a) is a perspective view of each of the first member 11 and the second member 12, and FIG. 4 (b) shows the first member 11 and the second member 12. It is a perspective view of the combined state.

With reference to FIG. 4A, the first member 11 includes a rectangular first flat plate portion 13, a pair of support members 17a and 17b connected to the first flat plate portion 13, and a first flat plate portion 13. A first inclined portion 15 provided on the outer surface of the flat plate portion 13 is provided. The first flat plate portion 13 is a flat plate-shaped member that overlaps half of the opening 6 when the shutter 5 closes the opening 6. The pair of support members 17a and 17b are members that support the first flat plate portion 13 so that the first flat plate portion 13 can move between the position where the opening 6 is closed and the position where the opening 6 is opened. One end of the support members 17a and 17b is connected to the short side of the first flat plate portion 13, respectively, and the other end of the support members 17a and 17b is rotatable about the same rotation axis. It is attached to the case 3. The first inclined portion 15 is provided so as to project from the outer surface of the first flat plate portion 13, and has an inclined surface 19 on the upper surface.

Similarly, the second member 12 is provided on the outer surface of the rectangular second flat plate portion 14, the pair of support members 18a and 18b connected to the second flat plate portion 14, and the second flat plate portion 14. A second inclined portion 16 is provided. The second flat plate portion 14 overlaps the other half of the opening 6, that is, the portion of the opening 6 that is not covered by the first flat plate portion 13 in the closed state in which the shutter 5 closes the opening 6. It is a flat plate-shaped member. The pair of support members 18a and 18b are members that support the second flat plate portion 14 so that the second flat plate portion 14 can move between the position where the opening 6 is closed and the position where the opening 6 is opened. One end of the support members 18a and 18b is connected to the short side portion of the second flat plate portion 14, respectively, and the other end of the support members 18a and 18b is rotatable about the same rotation axis. It is attached to the case 3. The second inclined portion 16 is provided so as to project from the outer surface of the second flat plate portion 14, and has an inclined surface 20 on the upper surface.

It is preferable that the inclination angle θ1 of the inclined surface 19 with respect to the outer surface of the first flat plate portion 13 and the inclination angle θ2 of the inclined surface 20 with respect to the outer surface of the second flat plate portion 14 are both 15 to 30 °. As will be described later, the inclined surfaces 19 and 20 are components that rotate the first member 11 and the second member 12 in the opening direction by applying the force applied from the USB plug when the USB plug is connected to the charger 100. Has the function of disassembling into. Therefore, if the inclination angles θ1 and θ2 are too small, among the forces applied to the first member 11 and the second member 12 from the USB plug, the component force in the direction of separating the first member 11 and the second member 12 from each other. Becomes smaller, and it becomes difficult to smoothly rotate the first member 11 and the second member 12 in the opening direction. On the other hand, when the inclination angles θ1 and θ2 become too large, the inclination directions of the inclined surfaces 19 and 20 are prevented so that the first inclined portion 15 and the second inclined portion 16 do not protrude outward from the front surface portion 10 of the case 3. It is necessary to shorten the length of the first member 11 and the length in the inclination direction required to rotate the first member 11 and the second member in the opening direction with the insertion of the USB plug (that is, the length in the inclination direction (that is, FIG. 5 described later). b) In the process of FIGS. 6A, the lengths of the inclined surfaces 19 and 20 required to maintain the contact with the USB plug 2) are insufficient, and it becomes difficult to open the shutter 5. When both the inclination angles θ1 and θ2 are within the above ranges, the shutter 5 can be easily opened.

With reference to FIGS. 3 and 4, the case is such that the first member 11 and the second member 12 are rotatable about the first rotation axis AX1 and the second rotation axis AX2, respectively. It is attached to a predetermined part inside 3. To attach the first member 11 and the second member 12 to the case 3, for example, a boss provided at the other end of the support members 17a to 18b shown in FIG. 4B is attached to the columnar shape of the case 3. This can be done by inserting and holding in the hole. When the shutter 5 is formed by combining the first member 11 and the second member 12, as shown in FIGS. 3 and 4B, in the closed state in which the opening 6 is closed, the first flat plate portion 13 The outer surface and the outer surface of the second flat plate portion 14 are flush with each other, and the side surface 21 corresponding to the long side of the first flat plate portion 13 and the side surface 22 corresponding to the long side of the second flat plate portion 14 are formed. It will be in a state of surface contact. As shown in FIG. 3, the side surfaces 21 and 22 that come into contact with each other in the closed state are orthogonal to the outer surface of the front surface portion 10 of the case 3 and parallel to both the first rotation axis AX1 and the second rotation axis AX2. It is located on the plane P. The plane P on which the side surfaces 21 and 22 are located in the closed state passes through the midpoint of each of the pair of short sides of the first rectangle shown in FIG. be.

As shown in FIG. 3, the first rotating shaft AX1 of the first member 11 is in a closed state where the side surface 21 of the first flat plate portion 13 and the side surface 22 of the second flat plate portion 14 come into contact with each other (that is, the side surface 22). , It is located on the side of the second flat plate portion 14 with respect to the plane P) in FIG. Similarly, the second rotation shaft AX2 of the second member 12 is in a closed state where the side surface 21 of the first flat plate portion 13 and the side surface 22 of the second flat plate portion 14 come into contact with each other (that is, in FIG. 3). It is located closer to the first flat plate portion 13 than the plane P). In the present embodiment, the first rotation axis AX1 of the first member 11 is set on the side of the second flat plate portion 14 with respect to the plane P and at a position not overlapping with the socket 4, and the second member 12 is the second. The rotation axis AX2 of the above is set at a position on the first flat plate portion 13 side of the plane P and not overlapping with the socket 4.

The first member 11 and the second member 12 are urged by an urging member (not shown) so as to be closed when no external force is applied. Specifically, a spring (not shown) for urging the first member 11 in the clockwise direction in FIG. 3 with the first rotation axis AX1 as the center is attached, and the second member 12 is attached to the second member 12. A spring (not shown) that biases in the counterclockwise direction in FIG. 3 is attached around the second rotation axis AX2. Further, in the closed state, the movement of the first member 11 and the second member 12 so that the side surface 21 of the first flat plate portion 13 and the side surface 22 of the second flat plate portion 14 are located on the plane P shown in FIG. A stopper (not shown) is provided to regulate the. As the urging member, for example, a torsion spring (torsion coil spring) as shown in the second embodiment can be used.

Further, as shown in FIG. 4, the first inclined portion 15 provided on the outer surface of the first flat plate portion 13 and the second inclined portion 16 provided on the outer surface of the second flat plate portion 14 are inclined respectively. It has surfaces 19 and 20. The inclined surface 19 is a surface whose height increases as the distance from the side surface 21 in contact with the side surface 22 of the second flat plate portion 14 in the closed state increases. The inclined surface 20 is a surface whose height increases as the distance from the side surface 22 in contact with the side surface 21 of the first flat plate portion 13 in the closed state increases. These inclined surfaces 19 and 20 come into contact with the tip of the USB plug when the USB plug is inserted into the opening 6, and rotate the first member 11 and the second member 12 constituting the shutter 5 in the opening direction. It has a function to make it. Hereinafter, a method of opening and closing the shutter 5 will be described.

5 and 6 are cross-sectional views showing an opening operation of the shutter accompanying the insertion of the USB plug.

In order to connect the USB plug 2 to the socket 4 of the charger 100, first, as shown in FIG. 5A, the grip portion 7 of the USB plug 2 is gripped so that the tip surface 8 faces the opening 6. At the same time, the orientation of the USB plug 2 and the orientation of the socket 4 are adjusted so that they can be inserted. When the USB plug 2 and the socket 4 are reversible, the orientation of the two can be omitted.

When the USB plug 2 is brought closer to the shutter 5, as shown in FIG. 5B, the tip surface 8 of the USB plug 2 has an inclined surface 19 of the first inclined portion 15 and an inclined surface 20 of the second inclined portion 16. Contact with.

With the tip surface 8 of the USB plug 2 in contact with the inclined surfaces 19 and 20, the USB plug 2 is further pushed toward the inside of the case 3, and a force is applied from the USB plug 2 to the inclined surfaces 19 and 20. A component force acts on the member 11 and the second member 12 in the direction of separating them from each other. Therefore, the first member 11 rotates in the counterclockwise direction in FIG. 5 around the first rotation axis AX1, and the second member 12 rotates around the second rotation axis AX2 in the clock in FIG. It rotates in the clockwise direction, and as shown in FIG. 5C, a gap is formed between the first flat plate portion 13 and the second flat plate portion 14.

When the USB plug 2 is further pushed toward the inside of the case 3 while maintaining the contact state between the tip surface 8 of the USB plug 2 and the inclined surfaces 19 and 20, the first member 11 and the second member 12 are further the same. By rotating in the rotation direction, the gap between the first flat plate portion 13 and the second flat plate portion 14 is widened, and as shown in FIG. 6A, the USB plug 2 is placed on the opening of the socket 4. There is enough space for insertion.

After that, when the USB plug 2 is further pushed toward the inside of the case 3, the USB plug 2 is inserted into the socket 4 as shown in FIG. 6 (b), and the USB is inserted as shown in FIG. 6 (c). The terminal 23 of the plug 2 and the terminal 24 of the socket 4 are conductive.

In this way, the USB plug 2 is inserted into the case 3 in a state where the tip surface 8 of the USB plug 2 is in contact with the inclined surfaces 19 and 20 of the first inclined portion 15 and the second inclined portion 16, respectively. As a result, the first member 11 and the second member 12 rotate about the first rotation axis AX1 and the second rotation axis AX2, respectively. As a result, the shutter 5 changes from the closed state shown in FIGS. 5A and 5B to the open state shown in FIGS. 6A to 6C, and the USB plug 2 can be connected to the socket 4. Will be.

When the USB plug 2 is pulled out from the socket 4, the first member 11 and the second member 12 rotate in the direction opposite to the time when the USB plug 2 is inserted due to the urging force of a spring (not shown), and the shutter 5 is shown in FIG. It returns to the open state shown in 5 (a).

In the charger 100 according to the present embodiment, the entire first member 11 and the second member 12 are located inside the case 3 with respect to the outer surface of the front surface portion 10 of the case 3, regardless of their respective rotation positions. doing. Therefore, since it is difficult for other articles to come into contact with the first member 11 and the second member 12, the shutter 5 may be inadvertently opened when the USB plug 2 of the cable is not connected to the socket 4. Can be prevented. Therefore, the charger 100 according to the present embodiment can more reliably prevent foreign matter from entering when the USB plug is not inserted.

Further, in the charger 100 according to the present embodiment, the first rotating shaft AX1 is located closer to the second flat plate portion 14 than the first flat plate portion 13, and the second rotating shaft AX2 is located. It is located closer to the first flat plate portion 13 than the second flat plate portion 14. Here, assuming that the first rotation axis AX1 is located on the left side in FIG. 3 with respect to the side surface 21 and the second rotation axis AX2 is located on the right side in FIG. 3 with respect to the side surface 22 in FIG. When the first member 11 and the second member 12 rotate in the opening direction, the rotation trajectories of a part of the first flat plate portion 13 and a part of the second flat plate portion 14 bulge to the outside of the case 3. It becomes difficult to open and close the shutter 5 inside the case 3 rather than the outer surface of the front surface 10 of the case 3, the space for arranging the shutter 5 becomes large, and it becomes difficult to make the charger 100 compact, or the shutter 5 and the shutter 5 are used. There arises a problem that it is necessary to take a large gap with the case 3. By arranging the first rotating shaft AX1 and the second rotating shaft AX2 in the present embodiment as described above, these problems are avoided, the gap between the shutter 5 and the case 3 is reduced, and the shutter 5 is used. Can be opened and closed compactly inside the front surface portion 10 of the case 3.

Further, in the charger 100 according to the present embodiment, the portion of the opening 6 corresponding to the first rectangle (two-dot chain line in FIG. 2) has substantially the same shape as the tip surface 8 (cross section) of the USB plug 2. Is formed in. For example, in the USB connector with a cover described in Patent Document 1, the opening provided in the front panel is formed larger than the tip surface of the USB plug. In this case, when the USB plug is inserted, there is a problem that the position of the USB plug with respect to the socket is difficult to determine and it is difficult to insert the USB plug. On the other hand, in the present embodiment, the USB plug 2 is socketed in the portion (a part of the peripheral edge of the opening 6) corresponding to the first rectangle (two-dot chain line in FIG. 2) of the opening 6. Since it can be used as a guide when inserting into 4 (FIGS. 5 (b) to 6 (a)), the position of the USB plug 2 with respect to the socket 4 is uniquely determined, and the USB plug 2 can be easily inserted into the socket 4. ..

Further, since the angle of the inclined surface 19 with respect to the outer surface of the first flat plate portion 13 and the angle of the inclined surface 20 with respect to the outer surface of the second flat plate portion 14 are 15 to 30 °, the inclined surface when the USB plug 2 is inserted. The shutter 5 can be easily opened and closed by the force applied to 19 and 20.

(Second Embodiment)
FIG. 7 is a perspective view showing a schematic configuration of the charger according to the second embodiment, and FIG. 8 is an exploded perspective view showing a substrate and a USB connector structure included in the charger shown in FIG. 2. FIG. Is a cross-sectional view taken along the IX-IX line shown in FIG. In the following, the differences between the present embodiment and the first embodiment will be mainly described, and the same components as those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted. As shown in FIG. 8, the USB connector structure 31 includes a shutter case 36 and a socket 4 housed therein.

The charger 200 according to this embodiment includes a substrate 39, two USB connector structures 31, and a housing 32.

The substrate 39 includes various electronic circuits as in the first embodiment, and is connected to an AC power supply via an outlet, a cable, or the like (not shown). Sockets 4 included in each of the USB connector structures 31 are mounted on the board 39. The terminals inside the socket 4 are electrically connected to the sea route on the substrate 39. Further, a shutter case 36 is attached to the substrate 39 corresponding to each of the sockets 4.

The shutter case 36 includes a case 33, a shutter 5, and a torsion coil spring (also referred to as a “torsion spring”) 35.

The case 33 is a member corresponding to the case 3 in the first embodiment, and has an opening 6 for inserting a USB plug into the flat plate-shaped front surface portion 41. The shape of the opening 6 is the same as that of the first embodiment.

The shutter 5 is a member that is attached to the inside of the case 33 and can be opened and closed between the closed state in which the opening 6 is closed and the open state in which the opening 6 is opened, as in the first embodiment.

The torsion coil spring 35 is an urging member that urges the first member 11 and the second member 12 of the shutter 5 in a closed state. In the present embodiment, as shown in FIG. 8, the torsion coil spring 35 has a coil fitted into a boss serving as a rotation axis of the first member 11, and one arm abuts on a bar 37 provided on the case 33. The other arm is attached so as to abut against the bar 38 provided on the first member 11, and the first member 11 is urged to the closed state via the bar 38 of the first member 11. There is. Although not shown, a torsion coil spring is attached to the surface opposite to the case 33 in the same manner, and the second member 12 is closed via a bar provided on the second member 12. It is urging to the state. Note that FIG. 8 shows an example in which the first member 11 and the second member 12 are urged by using a torsion coil spring as the urging member, but the urging member is not particularly limited and is other than the torsion coil spring. A spring may be used. However, the mounting method of the torsion coil spring 35 shown in FIG. 8 is an example, and various urging members and mounting methods are provided as long as the first member 11 and the second member 12 are urged so as to be in a closed state. Can be adopted.

The shutter case 36 is assembled by attaching the first member 11 and the second member 12 constituting the shutter 5 to the inside of the case 33 and then attaching a pair of torsion coil springs 35 at predetermined positions. As shown in FIG. 8, the assembled shutter case 36 is arranged so as to cover the socket 4 mounted on the substrate 39, and as shown in FIG. 9, a pair of side surfaces (twisting coil spring 35 is arranged) of the case 33. It is fixed to the substrate 39 by using the screw 40 via the mounting portion 48 provided on the surface (the surface not provided).

The housing 32 is, for example, a box-shaped resin molded product, and is a member that accommodates the substrate 39 and a plurality of USB connector structures 31 configured on the substrate 39. As shown in FIG. 7, the housing 32 is formed with an opening having substantially the same shape as the front surface portion 41 of the case 33, and when the substrate 39 and the USB connector structure 31 are mounted in the housing 32, the housing 32 is provided with the housing 32. The front surface portion 41 of the case 33 is fitted into the opening. The charger 200 according to the present embodiment is configured so that the front surface portion 41 of the case 33 and the outer surface of the housing 32 are flush with each other, but as long as the opening 6 of the case 33 is exposed from the housing 32. The shape of the opening of the housing 32 is not particularly limited. Further, the front surface portion 41 of the case 33 does not necessarily have to be flush with the outer surface of the housing 32, may be located inside the outer surface of the housing 32, or protrudes outward from the outer surface of the housing 32. Is also good. The case 3 may be configured as two or more divided bodies, in which case the divided bodies are integrated with each other by fitting or by using screws.

When a charger provided with a plurality of sockets is configured, the size of the charger housing becomes large. Therefore, in the configuration in which the shutter is directly attached to the housing as in the first embodiment, the housing and the substrate are caused by molding errors and assembly errors. The distance between the two terminals is likely to vary, and the shutter 5 may not be able to open and close smoothly, or when the USB plug is connected to the socket, the contact between the two terminals may be insufficient.

On the other hand, in the charger 200 according to the present embodiment, one shutter case 36 (case 33) having a size smaller than that of the housing 32 is provided for each of the sockets 4, and the shutter case 36 is directly attached to the substrate 39. Since the structure is fixed to, the molding error of the case 33 and the assembly error of the shutter case 36 to the substrate 39 can be reduced, and the above-mentioned problems can be solved.

In each of the above embodiments, an example in which a USB connector structure including a case, a socket, and a shutter is applied to a charger has been described, but the connector structure according to the present invention is a charger for a personal computer, a television, an audio device, or the like. It can also be used as a connector for electronic devices other than the above. It is also possible to apply the connector structure according to the present invention to a power strip to form a power strip having both an AC power outlet and a USB connector.

Further, in each of the above embodiments, a charger provided with two sockets has been described as an example, but the number of sockets may be three or more. Further, in the first embodiment, the number of sockets may be one.

Further, in each of the above embodiments, the type of the USB connector is not particularly limited, and any of USB Type-B, mini USB Type-B, Micro USB Type-B, and USB Type-C other than USB Type-A. There may be.

The present invention can be used as a USB connector structure for connecting a USB plug, and a charger and a power strip provided with the USB connector structure.

2 USB plug 3 Case 4 Socket 5 Shutter 6 Opening 8 Tip surface 11 First member 12 Second member 13 First flat plate portion 14 Second flat plate portion 15 First inclined portion 16 Second inclined portion 19 Inclined surface 20 Inclined surface 21 Side surface 22 Side surface 31 Connector structure 32 Housing 33 Case 35 Torsion coil spring 36 Shutter case 39 Board 41 Front part 100 Charger 200 Charger

Claims (8)

It has a USB connector structure that allows you to connect a USB plug.
A case having an opening into which the USB plug can be inserted,
A socket attached to the inside of the case at a position corresponding to the opening and serving as a receiving port for the USB plug inserted into the opening.
A shutter provided inside the case that can be opened and closed between a closed state in which the opening is closed and an open state in which the socket is exposed by opening the opening.
The shutter is provided with an urging member that urges the shutter to be in the closed state.
The shutter is
It has a first flat plate portion that overlaps a part of the opening in the closed state and a first inclined portion provided on the outer surface of the first flat plate portion, and is rotatable about a first rotation axis. First member and
It has a second flat plate portion that overlaps the remaining portion of the opening in the closed state and a second inclined portion provided on the outer surface of the second flat plate portion, and is parallel to the first rotation axis. Includes a second member that is rotatable about a second axis of rotation,
In the closed state, a part of each side surface of the first flat plate portion and the second flat plate portion comes into surface contact with each other.
Each of the first inclined portion and the second inclined portion has an inclined surface whose height increases as the distance from the contact surface of the first flat plate portion and the second flat plate portion increases.
As the USB plug is inserted into the case in a state where the tip portion of the USB plug is in contact with the inclined surfaces of the first inclined portion and the second inclined portion, the first inclined portion is inserted. And the second member rotate about the first rotation axis and the second rotation axis, respectively, so that the shutter changes from the closed state to the open state.
A USB connector structure, characterized in that the entire first member and the second member are located inside the case from the outer surface of the case regardless of their respective rotation positions. The first rotating shaft is located closer to the second flat plate portion than the first flat plate portion, and the second rotating shaft is located closer to the first flat plate portion than the second flat plate portion. The USB connector structure according to claim 1, wherein the USB connector structure is located on the side. The opening has a cross shape formed by superimposing a first rectangle having substantially the same shape as the tip surface of the USB plug and a second rectangle intersecting the first rectangle.
The first inclined portion and the second inclined portion are housed in the portion of the opening corresponding to the second rectangle.
The USB connector structure according to claim 1 or 2, wherein the USB plug can be inserted along the peripheral edge of the portion of the opening corresponding to the first rectangle. The USB connector structure according to any one of claims 1 to 3, wherein the inclination angle of the inclined surface with respect to the outer surface of the first flat plate portion and the second flat plate portion is 15 to 30 °. A charger comprising the USB connector structure according to any one of claims 1 to 4. With the board
With the plurality of USB connector structures,
A substrate and a housing for accommodating the plurality of USB connector structures are provided so that the openings of the cases constituting the USB connector structure are exposed.
A plurality of the sockets are mounted on the board.
The fifth aspect of the present invention is characterized in that a shutter case in which the shutter and the urging member are attached to the case is provided so as to correspond to each of the plurality of sockets and is attached to the substrate. The charger described. A power strip having the USB connector structure according to any one of claims 1 to 4. With the board
With the plurality of USB connector structures,
A substrate and a housing for accommodating the plurality of USB connector structures are provided so that the openings of the cases constituting the USB connector structure are exposed.
A plurality of the sockets are mounted on the board.
7. A seventh aspect of the present invention, wherein a shutter case in which the shutter and the urging member are attached to the case is provided so as to correspond to each of the plurality of sockets and is attached to the substrate. Described power strip.

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