JP2014154342A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small, short receptacle that can be fitted on plugs of two or more types.SOLUTION: A receptacle 1 has an insulation body 2 comprising a stack of a first projection 22 and a second projection 23, the first projection part 22 having an arrangement of a first mating-side contact part 31, and the second projection part 23 having an arrangement of second mating-side contact parts 41a and 41b. The first mating side contact part and the second mating-side contact part are arranged in a stack. A metal shell 5 is provided, which has a mating-side fitting part 52 cylindrically surrounding the first projection part and second projection part. The mating-side fitting part has a projecting shape whose middle juts out as viewed from front. The first projection part is arranged in a first fitting part 52a formed from parts other than the jutting part of the mating-side fitting part. The second projecting part is arranged in a second fitting part 52b formed from the jutting part of the mating-side fitting part. The first mating-side contact part and the second-mating side contact part are arranged in only opposite surfaces 22a and 23a of the first projecting part and second projecting part.

Description

  The present invention relates to a connector, and more particularly to a receptacle-side connector that can be fitted (connected) to two or more types of plug-side connectors.

  With respect to this type of receptacle-side connector, Patent Documents 1 and 2 disclose a first convex portion that protrudes in parallel with a circuit board from a base portion (a base end portion 15 in Patent Literature 1 and a main portion 10 in Patent Literature 2). An insulator (insulating housing 12, insulating housing 1) having a holding portion 16, a second tongue-like portion 12) and a second convex portion (holding portion 17, first tongue-like portion 11); First mating contact portion (tip portion 45, contact portion 31) disposed on one convex portion and a first leg portion protruding from the base portion to the opposite side of the first convex portion and the second convex portion and soldered to the circuit board A plurality of first contacts (terminal 30, second terminal 3) provided with (rear end portion 39, terminal portion 33), and a second mating contact that is held by the insulator together with the first contact and disposed on the second convex portion Part (tip 47, contact part 21) and base to the same side as the first leg A plurality of second contacts (terminal 40, first terminal 2) having a second leg portion (rear end portion 49, terminal portion 23) to be taken out and soldered to the circuit board, a first convex portion and a second convex portion Plug side having a metal shell (metal shell 24, metal shell 4) provided with a mating fitting portion (fitting portions 28, 29, first cover 41) surrounded in a cylindrical shape and electrically connected only to the first contact A connector (plug connector 60, USB plug 400) and a plug-side connector (plug connector 60 ', plug 200) that can be electrically connected to both the first contact and the second contact (receptacle connector 10, socket) 100).

  As disclosed in Patent Document 1, the second convex portion is arranged next to the first convex portion in front view (front view), and the second counterpart contact portion is arranged next to the first counterpart contact portion. Deploy. The first mating contact portion is arranged side by side on the surface of the first convex portion on the circuit board side, and the second mating contact portion is arranged side by side on the surface of the second convex portion on the circuit board side.

  In Patent Document 2, the second convex portion is arranged in a two-tiered manner on the side opposite to the circuit board side of the first convex portion in front view (front view), and the second mating contact portion is first. It is arranged in two steps on the opposite side of the circuit board side of the counterpart contact portion. Also, the first mating contact portion is arranged side by side on the surface of the first convex portion on the circuit board side and the surface of the first convex portion facing the second convex portion, and the second mating contact portion is The second protrusions are arranged side by side on the surface on the circuit board side facing the first protrusions.

  Also, those disclosed in Patent Documents 1 and 2 have been put to practical use in receptacle-side connectors that support USB (Universal Serial Bus) 3.0 standards. In this receptacle-side connector, backward compatibility is ensured, and a plug-side connector (plug connector 60 ′ shown in FIG. 5 of Patent Document 1 and plug 200 shown in FIG. 6 of Patent Document 2) corresponding to the USB 3.0 standard is used. Separately, it can also be fitted to a plug-side connector (a plug connector 60 shown in FIG. 4 of Patent Document 1 and a USB plug 400 shown in FIG. 16 of Patent Document 2) compatible with the USB 2.0 standard.

  Some receptacle-side connectors up to the USB 3.0 standard have the second mating contact portion located behind the first mating contact portion in front view.

JP 2009-277497 A JP 2010-10129 A

  Many electronic devices such as personal computers, peripheral devices, digital home appliances, portable electronic devices, home game consoles, and in-vehicle electronic devices equipped with receptacle-side connectors are becoming smaller and thinner, and the display screen is larger. In addition, multifunctional, high-performance, and portable electronic devices have further reduced the space for attaching receptacle-side connectors due to the addition of contactless charging coils.

  There is a strong demand for a small, low profile (space-saving) receptacle-side connector, but there is one type of conventional receptacle-side connector that can be mated with two or more types of plug-side connectors as described above. There is a problem that the size of the receptacle side connector that can be fitted to the plug side connector is greatly increased, and a large amount of mounting space (area occupied by the board × board mounting height) is required.

  That is, in the case where the second mating contact portion is disposed on the back side of the first mating contact portion, the depth of the entire receptacle connector along the plug connector fitting direction is significantly increased. The board mounting area is significantly increased. In addition, when the second mating contact portion is arranged next to the first mating contact portion, the overall width (width) of the receptacle-side connector will be significantly longer. Will become bigger. On the other hand, in what arranges the 2nd partner side contact part on the opposite side to the circuit board side of the 1st partner side contact part by two steps, depending on the case (when arrangement of the 2nd leg is devised), Although the depth and width of the entire receptacle-side connector are hardly increased and the board-occupied area of the receptacle-side connector is hardly increased, the overall height of the receptacle-side connector is greatly increased, so the board-mounting height of the receptacle-side connector is greatly increased. It will be very high.

  In view of the above-described problems, an object of the present invention is to realize a receptacle-side connector that can be fitted to two or more types of plug-side connectors with a smaller size and a lower profile than conventional ones.

  The connector of the present invention as a means for solving the above-mentioned problems includes an insulator having a first convex portion and a second convex portion protruding in parallel with the circuit board from the base portion, and the insulator A first leg that is held and protrudes from the first mating contact portion and the base portion disposed on the first convex portion to the opposite side of the first convex portion and the second convex portion and is soldered to the circuit board. A plurality of first contacts including a portion, a second mating contact portion disposed on the second convex portion, and held on the insulator together with the first contact, from the base portion to the same side as the first leg portion A plurality of second contacts provided with second leg portions protruding and soldered to the circuit board; and a metal shell provided with a mating fitting portion surrounding the first convex portion and the second convex portion in a cylindrical shape. The mating part on the mating side is connected to the plug-side connector. When viewed from the center, the center protrudes into a convex shape, the first convex portion is disposed in the first fitting portion including the portion other than the protruding portion of the counterpart fitting portion, and the second convex portion is the counterpart fitting. It arrange | positions in the 2nd fitting part which consists of the overhang | projection part of a joint part, and the said 1st other party contact part and the said 2nd other party contact part are the surfaces where the said 1st convex part and the said 2nd convex part mutually face each other It is set as the structure arranged only in

  In the connector of the present invention, a part of the mating mating part, for example, the first mating part can be fitted with the plug side connector that is electrically connected only to the first contact, or the mating mating part as a whole (first (Fitting part + second fitting part) can be fitted with a plug-side connector connected only to the second contact or a plug-side connector electrically connected to both the first contact and the second contact. The first and second mating contact portions and the first mating contact portion and the second mating contact portion and the second mating contact portion are arranged in two layers. By adopting a configuration in which the two are stacked in two steps, the depth of the entire receptacle-side connector does not become at least significantly longer than the receptacle-side connector that can be fitted with one type of plug-side connector. Unishi, the receptacle connector entire width, so as not nearly long substrate footprint of the receptacle connector are prevented from becoming at least significantly increase. In addition, by adopting a configuration in which the first counterpart contact portion and the second counterpart contact portion are disposed only on the surfaces of the first convex portion and the second convex portion facing each other, the first convex portion and the second convex portion are arranged. Insert all the mating contact parts of the plug-side connector to be mated into the gap (concave part) between the two convex parts, and opposite the contact arrangement surfaces of the first convex part and the second convex part. Compared to a receptacle-side connector that can be fitted with one type of plug-side connector so that there is no need to secure a gap height for inserting the mating contact portion between the surface of the connector and the metal shell. Therefore, the overall height of the receptacle-side connector should not be increased at least significantly, and the board mounting height of the receptacle-side connector should be at least not significantly increased, so that it can be fitted with two or more types of plug-side connectors. Reduce the size and low height of the receptacle connector that may be.

  In the connector according to the present invention, when the configuration in which the second leg portion is arranged in a horizontal row with the first leg portion is added, the entire depth of the receptacle-side connector is fitted with one type of plug-side connector. Can be kept as short as that of the receptacle-side connector, and the board-occupied area of the receptacle-side connector can be made as small as that of the receptacle-side connector that can be fitted with one type of plug-side connector. The receptacle-side connector that can be fitted with two or more types of plug-side connectors can be further miniaturized.

  In the connector according to the present invention, the center of the mating mating part protrudes toward the circuit board, and the second fitting part is inserted into a notch provided in the circuit board, In the case where a configuration in which only the first fitting portion is arranged and mounted on the circuit board is added, the board mounting height of the receptacle-side connector can be fitted with one type of plug-side connector. The height of the receptacle-side connector that can be lowered to the same level as that of the receptacle-side connector and can be fitted to two or more types of plug-side connectors can be further reduced (board mounting height).

  In the connector according to the present invention, the configuration in which the second leg portion is arranged in a horizontal row with the first leg portion, and the center of the mating fitting portion protrudes toward the circuit board, When a fitting part is inserted into a notch provided on the circuit board and only the first fitting part is disposed on the circuit board, the receptacle is mounted on the circuit board. Both the board-occupied area and board mounting height of the side connector can be reduced to the same level as that of the receptacle-side connector that can be fitted with one type of plug-side connector, and can be fitted with two or more types of plug-side connectors. The receptacle-side connector that can be mated can be attached in the same space as the receptacle-side connector that can be fitted to one type of plug-side connector.

  In the connector according to the present invention, the metal shell includes a plurality of legs to be soldered to the circuit board, and the root of the second fitting portion from both ends of the first fitting portion of the mating fitting portion. When at least a part of the shoulder portion is contacted to the circuit board and the mating fitting portion is directly attached to the circuit board by soldering at the contact portion, two or more types are added. While the allowable twisting load of the receptacle-side connector that can be fitted to the plug-side connector is improved, the receptacle-side connector can be further reduced in size and height.

  In the connector of the present invention, the first fitting part satisfies the standard shape of the micro USB 2.0 receptacle side connector, and the first fitting part is added to the micro USB 2.0 plug side connector. In this case, using a micro USB 2.0 plug-side connector, signal transmission and power supply in conformity with the USB standard can be performed, and at the same time, the plug-side connector is fitted to the entire mating fitting portion and electrically connected to at least the second connector. By using this, it is possible to transmit other signals. The receptacle-side connector that can be fitted with two or more types of plug-side connectors can be reduced in size and height.

  According to the present invention, a receptacle-side connector that can be fitted to two or more types of plug-side connectors can be realized with a smaller size and a lower profile than conventional ones.

It is a front view of the receptacle side connector 1 by one Embodiment of this invention. 4 is a bottom view of the receptacle-side connector 1. FIG. It is a left view of the receptacle side connector 1. FIG. 3 is a side sectional view of the receptacle-side connector 1. FIG. It is a rear surface perspective view which shows the receptacle side connector 1 in a disassembled state. 6A is a front view of the insulator 2, FIG. 6B is a bottom view of the insulator 2, and FIG. 6C is a side sectional view of the insulator 2. 7A is a front view of the first contact 3, FIG. 7B is a top view of the first contact 3, and FIG. 7C is a right side view of the first contact 3. 8A is a front view of the second contacts 4A and 4B, FIG. 8B is a top view of the second contacts 4A and 4B, and FIG. 8C is a right side of the second contacts 4A and 4B. FIG. 9A is a front view of the metal shell 5, FIG. 9B is a bottom view of the metal shell 5, and FIG. 9C is a side sectional view of the metal shell 5. 4 is a side sectional view showing a fitting state of the receptacle-side connector 1 with a second plug-side connector 201. FIG. It is a sectional side view which shows a fitting state with the 3rd plug side connector 301 of the receptacle side connector 1. FIG.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a front view (front view) of a receptacle-side connector (hereinafter simply referred to as “receptacle”) 1 according to an embodiment of the present invention as viewed from the plug-side connector side of a mating counterpart.

  The receptacle 1 of the present embodiment has five first contacts 3 for five pins directed to the micro USB 2.0 standard (an example of a specific connection standard), and is separate from the first contact 3 with the receptacle 1. As an example of two or more types of plug-side connectors that are mating mates, the first plug-side connector that is electrically connected only to the first contact 3 has six second contacts 4A, 4B for 6 pins increased in number That is, a micro USB 2.0 plug side connector (hereinafter simply referred to as “micro USB 2.0 plug”) (not shown) and a second plug side connector (hereinafter simply referred to as “first”) connected only to the second contacts 4A and 4B. And a third plug-side connector that is electrically connected to both the first contact 3 and the second contacts 4A and 4B. Hereinafter simply referred to as "third plug".) 301 (in which may fit see Figure 11.) And.

  2 is a bottom view (bottom view) of the receptacle 1, FIG. 3 is a left side view of the receptacle 1, and FIG. 4 is a side sectional view of the receptacle 1.

  The front-rear direction along the plug-side connector fitting direction (hereinafter simply referred to as “plug fitting direction”) indicated by the arrow D in FIG. 2 is the depth direction of the receptacle 1, and the left-right direction indicated by the arrow W in FIG. The vertical direction indicated by arrows H1 and H2 in FIG. 3 is the height direction of the receptacle 1. The length of arrow D is the depth (dimension) of the entire receptacle 1, the length of arrow W is the lateral width (dimension) of the entire receptacle 1, and the length of arrow H1 is the height (dimension) of the entire receptacle 1. , Respectively.

  FIG. 5 is a rear perspective view (rear perspective view) showing the receptacle 1 in an exploded state.

  The receptacle 1 includes a resin-molded insulator 2, a first contact 3 integrally molded with the insulator 2, second contacts 4 </ b> A and 4 </ b> B integrally molded with the insulator 2 together with the first contact 3, and an insulator 2 and a metal shell 5 covering the tube.

  6A is a front view of the insulator 2, FIG. 6B is a bottom view of the insulator 2, and FIG. 6C is a side sectional view of the insulator 2.

  The insulator 2 includes a base portion 21 disposed on the rear end side of the receptacle 1 and two steps above and below the base portion 21, parallel to the circuit board (PCB) 100 and along the plug fitting direction, on the front end side of the receptacle 1. 1st convex part 22 and 2nd convex part 23 which protrude to the side are provided.

  The base part 21 includes a horizontally long first base part 21a having a rectangular parallelepiped shape, and a horizontally long second base part 21b having a horizontally long rectangular parallelepiped shape formed by projecting the center of the first base part 21a downward on the circuit board 100 side. The base portion 21 has a convex shape in which the center of a horizontally long rectangle protrudes downward from the front view. From the upper center of the front surface of the first base portion 21a, the first convex portion 22 is A rectangular plate parallel to the circuit board 100 and protruding toward the front end side of the receptacle 1 along the plug fitting direction. From the upper center of the front surface of the second base part 21b, the second convex part 23 is connected to the circuit board 100. In parallel with the rectangular plate shape and projecting toward the front end side of the receptacle 1 along the plug fitting direction, the lower surface 22a of the upper first convex portion 22 and the upper surface 23a of the lower second convex portion 23 are A predetermined gap 11 is provided to face each other It is configured to.

  The base portion 21 is formed with a shoulder portion 21c formed from the lower surface of the first base portion 21a from the left and right ends of the first base portion 21a to the left and right roots of the second base portion 21b, and the lateral width of the second base portion 21b. Is longer than the lateral width of the first convex portion 22, while the lateral width of the second convex portion 23 is shorter than the lateral width of the first convex portion 22, and the lateral width of the second base portion 21b is increased to the first convex portion. By approaching the lateral width of the portion 22, the lateral width of the shoulder portion 21 c is ensured as long as possible.

  The projecting length of the second projecting portion 23 is shorter than the projecting length of the first projecting portion 22, and the front end of the second projecting portion 23 is moved backward from the front end of the first projecting portion 22 in the plug fitting direction. It forms so that it may form in the position.

  The insulator 2 is formed with a plurality of engaging portions for coupling with the metal shell 5. The plurality of engaging portions include a first engaging portion 21d, a second engaging portion 21e, and a third engaging portion 21f. The first engaging portion 21d is a groove formed at the center of the upper surface of the first base portion 21a, and is formed of a U-shaped groove that opens to the front side in a top view. The second engaging portion 21e is a groove formed in the center of the lower surface of the second base portion 21b, and is a straight groove that penetrates through the front surface and the rear surface of the second base portion 21b. The third engaging portion 21f is a groove formed on both the left and right sides of the first base portion 21a so as to avoid the center of the rear surface, and is a U-shaped groove that opens upward in the rear view.

  7A is a front view of the first contact 3, FIG. 7B is a top view (plan view) of the first contact 3, and FIG. 7C is a right side view of the first contact 3. is there.

  The first contact 3 is integrally formed and held on the insulator 2, and the first mating contact portion 31 disposed on the first projecting portion 22 and the first projecting portion 22 and the second projecting portion 23 from the base portion 21. Includes a first leg portion 32 that protrudes to the rear side that is the opposite side and is soldered to the circuit board 100, and a first series of the first mating contact portion 31 and the first leg portion 32 that are continuously and integrally provided. The installation part 33 is provided.

  The first mating contact portion 31 is composed of a thin metal flat plate portion formed on the front end side of the first contact 3, on the lower surface 22 a of the first convex portion 22 from the front end side of the first convex portion 22. It extends to the rear side along the plug fitting direction, and the rear end of the first mating contact portion 31 is located in the first base portion 21 a past the lower surface 22 a of the first convex portion 22. The first series-forming portion 33 is a narrow flat metal plate portion bent into an L shape, and extends further rearward along the plug fitting direction from the rear end of the first mating contact portion 31. When it passes through the central upper part of the base portion 21a and protrudes to the rear side of the first base portion 21a, it extends downward along the rear surface of the first base portion 21a. The first leg portion 32 is a narrow metal flat plate portion that is bent at the lower end side of the first serially arranged portion 33 and extends rearward along the plug fitting direction, and is formed on the rear end side of the first contact 3. Is done. The lower surface of the first leg portion 32 is parallel to the circuit board 100 and is located in one plane including the shoulder portion 21 c of the base portion 21.

  The first contact 3 is held by the central upper portion of the first convex portion 22 and the first base portion 21a, and is left and right at a predetermined pitch interval along the lateral width direction of the receptacle 1 within the lateral width of the first convex portion 22. They are arranged in a horizontal row and arranged in parallel along the plug fitting direction. The first mating contact portions 31 are arranged on the lower surface 22a of the first convex portion 22 in a single horizontal line at a predetermined pitch interval along the lateral width direction of the receptacle 1, and are parallel along the plug fitting direction. The flat lower surface of the first counterpart contact portion 31 is exposed to the lower space 11. The first leg portion 32 is parallel to the circuit board 100 on the rear side of the lower center portion of the first base portion 21a, and extends in the lateral width direction of the receptacle 1 on a plane including the shoulder portion 21c of the base portion 21. Are arranged in a horizontal line at a predetermined pitch interval and are arranged in parallel along the plug fitting direction.

  The first contact 3 is formed by punching and bending a metal material such as a hoop material, so that each rear end is connected to a carrier (not shown), and the left and right horizontal rows are arranged at a predetermined pitch along the horizontal width direction of the receptacle 1. Are formed in a lump in a state of being arranged in the same manner, set in a molding die of the insulator 2 in that state, the carrier is cut off after the insulator 2 is molded, and the insulator is formed as five independent first contacts 3. 2 is integrally formed and held.

  The illustrated first leg 32 is for surface mounting, but may be for insertion mounting. The first leg portion for insertion mounting is a thin metal flat plate portion (metal pin) perpendicular to the circuit board 100, which is extended downward as it is without bending the lower end side of the first series installation portion 33. .

  8A is a front view of the second contacts 4A and 4B, FIG. 8B is a top view of the second contacts 4A and 4B, and FIG. 8C is a right side of the second contacts 4A and 4B. FIG.

  The second contacts 4 </ b> A and 4 </ b> B include second mating contact portions 41 a and 41 b that are integrally formed and held on the insulator 2 and disposed on the second convex portion 23. The insulator 2 includes a first convex portion 22 where the first mating contact portion 31 is disposed and a second convex portion 23 where the second mating contact portions 41a and 41b are disposed in a two-tiered manner. The counterpart contact portion 31 and the second counterpart contact portions 41a and 41b are arranged in a two-tiered manner.

  The second mating contact portions 41a and 41b are formed of a thin flat metal plate portion formed on the front end side of the second contacts 4A and 4B. The second convex portion 23 is on the upper surface 23a of the second convex portion 23. The rear ends of the second mating contact portions 41a and 41b are positioned in the second base portion 21b past the upper surface 23a of the second convex portion 23. To do. The second mating contact portions 41a and 41b are arranged on the upper surface 23a of the second convex portion 23 in the horizontal width direction of the receptacle 1 in a horizontal line at a predetermined pitch and along the plug fitting direction. The flat upper surfaces of the second counterpart contact portions 41a and 41b are exposed to the upper space 11 thereof. The first counterpart contact portion 31 and the second counterpart contact portions 41a and 41b are arranged only on the surfaces 22a and 23a of the first convex portion 22 and the second convex portion 23 facing each other.

  The second contacts 4 </ b> A and 4 </ b> B are integrally formed and held on the insulator 2, and are on the same side as the first leg portion 32 from the second counterpart contact portions 41 a and 41 b and the base portion 21 disposed on the second convex portion 23. The second leg portions 42a and 42b projecting to the rear side and soldered to the circuit board 100 are provided, and the second mating contact portions 41a and 41B and the second leg portions 42a and 42b are continuously and integrally connected. Second connecting portions 43a and 43b are provided.

  The second contacts 4A and 4B have three second left contacts so as to secure a space 44 where the five first leg portions 32 can be interrupted and arranged between the two second leg portions 42a and 42b in the center. It is divided into a contact 4A and three second contacts 4B on the right side, and is formed and arranged in an axisymmetric shape in a top view.

  4 A of 2nd contacts are hold | maintained at the left side half part of the insulator 2, and the 1st leg part from the 2nd other party contact part 41a arrange | positioned on the upper surface 23a of the left side half part of the 2nd convex part 23, and the base part 21 32 is provided with a second leg portion 42a that protrudes to the rear side that is the same side as 32 and is soldered to the circuit board 100 on the left side of the first leg portion 32 at the left end, and a second mating contact portion 41a and a second leg portion. 42a is provided with a second continuous portion 43a that continuously and continuously connect with 42a.

  The second mating contact portion 41a is composed of a thin metal flat plate portion formed on the front end side of the second contact 4A, and the second convex portion 23 on the upper surface 23a of the left half of the second convex portion 23. The rear end of the second mating contact portion 41a passes through the upper surface 23a of the left half of the second convex portion 23 and extends into the second base portion 21b. Located in. The second connecting portion 43a is a thin flat metal plate portion punched into a crank shape, and extends upward from the rear end of the second mating contact portion 41a to the center lower portion of the first base portion 21b, and then plugs. After extending further to the rear side along the fitting direction, further extending to the left side along the lateral width direction of the receptacle 1, further extending to the rear side along the plug fitting direction, and to the left side of the first base portion 21 a When it passes through the lower part of the half and protrudes to the rear side of the first base portion 21a on the left side of the first series contact portion 33 at the left end, it extends downward along the rear surface of the first base portion 21a. The second leg portion 42a is a narrow metal flat plate portion that is bent at the lower end side of the second connecting portion 43a and extends rearward along the plug fitting direction, and is formed on the rear end side of the second contact 4A. Is done. The second leg portion 42a is located further to the left of the first leg portion 32 at the left end. Further, the lower surface of the second leg portion 42 a is parallel to the circuit board 100 and is located in one plane including the shoulder portion 21 c of the base portion 21.

  The second contact 4 </ b> B is held by the right half of the insulator 2, and the second leg contact portion 41 b disposed on the upper surface 23 a of the right half of the second protrusion 23 and the first leg portion from the base portion 21. 32 is provided with a second leg portion 42b that protrudes to the rear side that is the same side as 32 and is soldered to the circuit board 100 on the right side of the first leg portion 32 at the right end, and a second mating contact portion 41b and a second leg portion. 42b is provided with a second continuous portion 43b that is continuously connected to 42b.

  The second mating contact portion 41b is formed of a thin metal flat plate portion formed on the front end side of the second contact 4B, and the second convex portion 23 on the upper surface 23a of the right half of the second convex portion 23. The rear end of the second mating contact portion 41b passes through the upper surface 23a of the right half of the second convex portion 23 and extends into the second base portion 21b. Located in. The second connecting portion 43b is a narrow flat metal plate portion punched into a crank shape, and extends upward from the rear end of the second mating contact portion 41b to the central lower portion of the first base portion 21b, and then plugs. After extending further to the rear side along the fitting direction, further extending to the right side along the lateral width direction of the receptacle 1, further extending to the rear side along the plug fitting direction, and to the right side of the first base portion 21 a When it protrudes to the rear side of the first base part 21a on the right side of the first series contact part 33 at the right end through the lower part of the half part, it extends downward along the rear surface of the first base part 21a. The second leg portion 42b is a narrow flat metal plate portion bent at the lower end side of the second connecting portion 43b and extending rearward along the plug fitting direction, and is formed on the rear end side of the second contact 4B. Is done. The second leg portion 42b is located further to the right of the first leg portion 32 at the right end. Further, the lower surface of the second leg portion 42 b is parallel to the circuit board 100 and is located in one plane including the shoulder portion 21 c of the base portion 21.

  The second mating contact portions 41a and 41b are arranged on the upper surface 23a of the second convex portion 23 in the horizontal width direction of the receptacle 1 in a horizontal line at a predetermined pitch and along the plug fitting direction. The flat upper surfaces of the second counterpart contact portions 41a and 41b are exposed to the upper space 11 thereof. The second leg portion 42a is parallel to the circuit board 100 on the left rear side of the first base portion 21a avoiding the lower center of the first base portion 21a, that is, further on the left side of the first leg portion 32 at the left end. On one plane including the shoulder portion 21c of the portion 21, the left and right horizontal rows are arranged at predetermined pitch intervals along the horizontal width direction of the receptacle 1, and are arranged in parallel along the plug fitting direction. The second leg portion 42b is parallel to the circuit board 100 on the rear side on the right side of the first base portion 21a and on the right side of the first leg portion 32 at the right end, avoiding the lower center portion of the first base portion 21a. On one plane including the shoulder portion 21c of the portion 21, the left and right horizontal rows are arranged at predetermined pitch intervals along the horizontal width direction of the receptacle 1, and are arranged in parallel along the plug fitting direction. The second leg portions 42a and 42b are arranged in a horizontal horizontal row along the lateral width direction of the first leg portion 32 and the receptacle 1, and are arranged in parallel along the plug fitting direction. That is, on the rear side of the lower portion of the first base portion 21a, a total of 11 legs are formed along the lateral width direction of the receptacle 1, including the five first leg portions 32 and the six second leg portions 42a and 42b. They are arranged in a row on the left and right and arranged in parallel along the plug fitting direction.

  The second contacts 4A and 4B are formed by punching and bending a metal material such as a hoop material, so that the rear ends of the second contacts 4A and 4B are connected to a carrier (not shown). The two contacts 4B are symmetrical with each other when viewed from above, and the second mating contact portions 41a and 41b and the second leg portions 42a and 42b are formed in a lump in a state where they are aligned in the horizontal direction along the horizontal width direction of the receptacle 1. In this state, it is set in a molding die for the insulator 2, the carrier is separated after the insulator 2 is molded, and is integrally molded and held as the six independent second contacts 4 </ b> A and 4 </ b> B. Is done.

  The illustrated second legs 42a and 42b are for surface mounting, but may be for insertion mounting. The second leg portion for insertion mounting is a flat metal plate portion (metal pin) having a narrow width perpendicular to the circuit board 100 and extending downward without bending the lower end sides of the second connecting portions 43a and 43b. It becomes.

  9A is a front view of the metal shell 5, FIG. 9B is a bottom view of the metal shell 5, and FIG. 9C is a side sectional view of the metal shell 5.

  The metal shell 5 is formed by punching and bending a metal material such as a thin stainless steel plate, the cover portion 51 covering the upper surface and the left and right side surfaces of the first base portion 21, the first convex portion 22, and the first convex portion 22. In addition to a mating fitting part 52 surrounding the two convex parts 23 in a cylindrical shape, a plurality of leg parts 53 to be soldered to the circuit board 100 are provided.

  The mating mating portion 52 has a convex shape in which the center of a horizontally long rectangle projects downward corresponding to the front outer shape of the base portion 21. A first fitting portion 52a which is a portion other than the overhanging portion of the side fitting portion 52 and which corresponds to the front outer shape of the first base portion 21a and which is a C-shaped portion opened to the lower side; A second fitting portion 52b, which is an overhanging portion of the portion 52 and corresponds to the front outer shape of the second base portion 21b, and is formed of a U-shaped portion opened to the upper side. It arrange | positions in the fitting part 52a, and it has comprised so that the 2nd convex part 23 may be arrange | positioned in the 2nd fitting part 52b.

  The mating side fitting portion 52 is formed with a shoulder portion 52c formed of the lower surface of the first fitting portion 52a from the left and right ends of the first fitting portion 52a to the left and right roots of the second fitting portion 52b. While the lateral width of the two fitting portions 52b is longer than the lateral width of the first convex portion 22, the lateral width of the second convex portion 23 is shorter than the lateral width of the first convex portion 22, and the second fitting is performed. By making the width of the portion 52b close to the width of the first convex portion 22, the width of the shoulder portion 52c is as long as possible.

  When the micro USB 2.0 plug, the second plug 201, and the third plug 301 are fitted to the left and right ends of the upper plate of the mating fitting portion 52, the micro USB 2.0 plug, the second plug 201, and the third plug are fitted. The engagement protrusions of the two latches included in the respective 301 are fitted to prevent the micro USB 2.0 plug, the second plug 201, and the third plug 301 from being inadvertently detached from the mating fitting portion 52. A joint hole 52d is formed.

  In order to facilitate the insertion of the micro USB 2.0 plug, the second plug 201, and the third plug 301, the mating side fitting portion 52 projects obliquely upward from the front end side of the upper plate of the first fitting portion 52a. A plate-like guide portion (not shown) that protrudes obliquely downward from the front end side of the lower plate of the second fitting portion 52b may be formed.

  The metal shell 5 is formed with a plurality of engaging portions for coupling with the insulator 2. The plurality of engaging portions include a first engaging portion 51a, a second engaging portion 51b, and a third engaging portion 51c. The first engagement portion 51a is a metal protrusion that protrudes downward (inward) from the center of the upper plate of the cover portion 51, and is an engagement partner of the first engagement portion 21d on the insulator 2 side. The second engaging portion 51b is formed to protrude further to the rear side from the rear end center of the lower plate of the second fitting portion 52b to become a part of the cover portion 51 and to cover the lower surface center of the first base portion 21. It is a small metal piece and is an engagement partner of the second engagement portion 21e on the insulator 2 side. The third engagement portion 51c is a metal piece formed to protrude from the left and right sides to the rear side while avoiding the rear end side center of the upper plate of the cover portion 51, and is a third engagement portion on the insulator 2 side. 21f is an engagement partner. FIGS. 5 and 9A to 9C show the third engagement portion 51c in an engaged state that is bent and protrudes downward.

  The leg portion 53 is composed of four metal pieces that protrude downward from a total of four locations on the left and right ends on the rear end side of the cover portion 51 and on the left and right ends on the rear end side of the first fitting portion 52a. The

  The illustrated leg portion 53 is for insertion mounting, but may be for surface mounting. The surface-mounting leg portions are parallel to the circuit board 100 from four locations and protrude outward on one plane including the shoulder portion 21 c of the base portion 21.

  The insertion mounting leg 53 protrudes downward beyond at least the shoulder 52c of the mating fitting 52.

  Then, the insulator 2 in which the first contact 3 and the second contact 4 are integrally formed on the metal shell 5 (however, the third engagement portion 51c is not bent and protrudes to the rear side) is provided on the rear side. The first engagement portion 51a on the metal shell 5 side is inserted and engaged with the first engagement portion 21d on the insulator 2 side, and the second engagement portion 51b on the metal shell 5 side is inserted on the insulator 2 side. After being engaged with the second engaging portion 21e, the third engaging portion 51c on the metal shell 5 side is bent and engaged with the third engaging portion 21f on the insulator 2 side, so that the metal shell 5 Covers the upper surface of the first base portion 21 and the left and right side surfaces by the cover portion 51 and covers the center of the lower surface of the second base portion 21b by the second engaging portion 51b (the cover portion 51 covers the first base portion 21). The first convex portion 22 and the mating fitting portion 52 are covered with each other. The two convex portions 23 are surrounded in a cylindrical shape, and the front end side of the mating fitting portion 52 is opened to a convex shape with the center of a horizontally long rectangle projecting downward in front view, and in this state, the insulator 2 is formed. Bonded and fixed. That is, as shown in FIGS. 1 to 4, the receptacle 1 is assembled.

  The assembled receptacle 1 is mounted on the end of the circuit board 100. At the end of the circuit board 100, a U-shaped notch 101 corresponding to the second base portion 21b and the second fitting portion 52b is provided, and the notch 101 of the circuit board 100 is provided. Around the periphery of the notch 101, there are five first leg portions 32 and six second leg portions 42a and 42b corresponding to the five first leg portions 32 and the six second leg portions 42a and 42b. A total of 11 first land portions 52, 5 first land portions 102, 6 second leg portions 42a, 42b, 6 second land portions 103 are arranged in a line. At the positions on both the left and right sides of the notch 101, four through holes 104 for soldering these corresponding to the four legs 53 are formed in two on each side, and the mating fitting 52 Corresponding to the left and right root ends of the second fitting portion 52b of the shoulder portion 52c , Two third land portion 105 for soldering them is formed in one by one side.

  The first land portion 102 corresponds to the micro USB 2.0 standard and includes signal transmission and power supply. The second land portion 103 includes, for example, a high-speed signal transmission and / or a high-voltage power supply compared with the USB 2.0 standard. The first land portion 102 and the second land portion 103 are through holes when the first leg portion 32 and the second leg portions 42a and 42b are for insertion mounting. The through hole 104 and the third land portion 105 are for grounding. The through hole 104 becomes a land portion when the leg portion 53 is for surface mounting.

  In the receptacle 1, the second base portion 21 b and the second fitting portion 52 b are dropped into the notch portion 101 of the circuit board 100, and at least the second base portion 21 b of the shoulder portion 21 c of the base portion 21 on the left and right base ends And the left and right base end portions of at least the second fitting portion 52 b of the shoulder portion 52 c of the mating portion 52 and the mating fitting portion 52 are around the notch portion 101 of the circuit board 100 and are in contact with the left and right sides of the notch portion 101. By contacting, only the first base portion 21a and the first fitting portion 52b covered with the cover portion 51 are disposed on the circuit board 100, and the first leg portion 32 is disposed on the first land portion 102. The second land portion 103 has second leg portions 42a and 42b, the through hole 104 has a leg portion 53, and the third land portion 105 has at least a second shoulder 52c of the mating fitting portion 52. Left and right fitting part 52b End, while being respectively soldered, mounted on the circuit board 100. The receptacle 1 is mounted on the circuit board 100 with the front end side of the mating fitting part 52 protruding from the notch 101 of the circuit board 100.

  The board mounting area of the mounted receptacle 1 is represented by (length of arrow D) × (length of arrow W). The length of the arrow H2 indicates the board mounting height (dimension) of the entire receptacle 1, and the mounting space of the receptacle 1 is (length of arrow D) × (length of arrow W) × (length of arrow H2). ).

  On the other hand, although not shown, the micro USB 2.0 plug has a resin-molded insulator, contacts held by the insulator and two latches, and a metal shell that covers the outside of the insulator in a cylindrical shape. Corresponding to the shape of the opening 10a (horizontal rectangle) of the first fitting portion 52a of the receptacle 1, the micro USB 2.0 plug is a rectangle that is horizontally long when viewed from the receptacle 1 side of the mating counterpart.

  The insulator is provided with a single concave portion into which the first convex portion 22 of the receptacle 1 can be inserted. Corresponding to the first contact 3 of the receptacle 1, the contact is composed of 5 pins for 5 pins directed to the micro USB 2.0 standard, each having a counterpart contact portion made of a spring contact piece on the front end side, and this movable Corresponding to the fixed first counterpart contact portion 31 of the receptacle 1 are arranged in a single recess along the horizontal width direction of the micro USB 2.0 plug. The The latch is held by an insulator on one side on both the left and right sides of the contact, and has an engagement protrusion on the tip side of a spring piece (not shown) formed on each front end side, and these two engagement protrusions are connected to the receptacle 1. Corresponding to the engagement hole 52d, the metal shell is projected upward from the left and right ends of the upper plate of the metal shell through an opening (not shown) formed therein.

  Then, with the micro USB 2.0 plug abutted against the opening 10 a of the first fitting portion 52 a of the receptacle 1, the micro USB 2.0 plug is inserted into the first fitting portion through the opening 10 a of the first fitting portion 52 a of the receptacle 1. 52a is inserted between the upper surface 22b opposite to the lower surface 22a on which the first mating contact portion 31 of the first convex portion 22 of the receptacle 1 is disposed and the upper plate of the first fitting portion 52a. Between them, only the metal shell of the micro USB 2.0 plug is inserted, and the counterpart contact portion of the micro USB 2.0 plug is connected to the first convex portion 22 and the second convex portion 23 of the receptacle 1 through a single concave portion. The mating contact portion of the micro USB 2.0 plug is pressed against and contacts the first mating contact portion 31 of the receptacle 1, and the receptacle 1 and the micro USB 2 are inserted. 0 and the plug is physically and electrically connected, thereby enabling signal transmission and power supply along the USB2.0 standard. In the receptacle 1, by securing the lateral width of the shoulder portion 52c of the mating fitting portion 52 as long as possible, the fitting reliability with the micro USB 2.0 plug is increased.

  FIG. 10 is a side sectional view showing a fitting state of the receptacle 1 with the second plug 201.

  The second plug 201 includes a resin-molded insulator 202, contacts 204 held by the insulator 202, two latches (not shown), and a metal shell 205 that covers the outside of the insulator 202 in a cylindrical shape. Corresponding to the shape of the opening 10 of the receptacle 1, the second plug 201 is formed in a convex shape with the center of a horizontally long rectangle projecting downward when viewed from the receptacle 1 side of the mating counterpart.

  The insulator 202 is provided with a first concave portion 222 and a second concave portion 223 into which the first convex portion 22 and the second convex portion 23 of the receptacle 1 can be inserted. The contact 204 is composed of 6 pins for 6 pins corresponding to the second contacts 4A and 4B of the receptacle 1, each having a counterpart contact portion 241 made of a spring contact piece on the front end side, and a movable counterpart contact portion. Corresponding to the fixed second mating contact portions 41 a and 41 b of the receptacle 1, 241 are arranged in the left and right horizontal rows in the second recess 223 along the horizontal width direction of the second plug 201. The latch is held by the insulator 202 on one side on both the left and right sides of the first recess 223, and has an engagement protrusion 261 on the tip side of a spring piece (not shown) formed on each front end side. The protrusions 261 are protruded upward from the left and right ends of the upper plate of the metal shell 205 through openings (not shown) formed therein corresponding to the engagement holes 52 d of the receptacle 1.

  Then, in a state where the second plug 201 is abutted against the opening 10 of the receptacle 1, the second plug 201 is inserted into the mating fitting portion 52 through the opening 10 of the receptacle 1, whereby the first convex portion 22 of the receptacle 1. Between the upper surface 22b opposite to the lower surface 22a on which the first mating contact portion 31 is disposed and the upper plate of the first fitting portion 52a, and the second mating contact portion 41a of the second convex portion 23. 41b, only the metal shell 205 of the second plug 201 is inserted between the lower surface 23b opposite to the upper surface 23a on which the upper surface 23a is disposed and the upper plate of the second fitting portion 52a. The mating contact portion 241 is inserted into the gap 11 between the first convex portion 22 and the second convex portion 23 of the receptacle 1 via the first concave portion 222 and the second concave portion 223, and the mating side contact of the second plug 201 is achieved. Part 241 is a receptacle 1 is pressed against and contacted with the second counterpart contact portions 41a and 41b, and the receptacle 1 and the second plug 201 are physically and electrically connected to each other. Voltage can be supplied.

  FIG. 11 is a side sectional view showing a fitting state of the receptacle 1 with the third plug 301.

  The third plug 301 covers a resin-molded insulator 302, a first contact 303 and a second contact 304 held by the insulator 302, two latches (not shown), and the outside of the insulator 302 in a cylindrical shape. A convex shape having a metal shell 305 and corresponding to the shape of the opening 10 of the receptacle 1, with the center of a horizontally long rectangle projecting downward as viewed from the front side of the receptacle 1 to which the third plug 301 is fitted. It is said.

  The insulator 302 is provided with a first concave portion 322 and a second concave portion 323 into which the first convex portion 22 and the second convex portion 23 of the receptacle 1 can be inserted. The first contact 303 corresponds to the first contact 3 of the receptacle 1 and is composed of five pins for five pins directed to the micro USB 2.0 standard. Each first contact side contact portion is formed by a spring contact piece on the front end side. 331 and a movable first mating contact portion 331 corresponding to the fixed first mating contact portion 31 of the receptacle 1 is laterally transverse along the lateral direction of the third plug 301 in the first recess 322. Arranged in a line. The second contact 304 is composed of six pins for six pins corresponding to the second contacts 4A and 4B of the receptacle 1, each having a second mating contact portion 341 made of a spring contact piece on the front end side, and movable. The second mating contact portion 341 is aligned in the left and right lateral rows along the lateral width direction of the third plug 301 in the second recess 323 corresponding to the fixed second mating contact portions 41 a and 41 b of the receptacle 1. Arranged. The latch is held by the insulator 302 on one side on both the left and right sides of the first contact 303, and has an engagement protrusion 361 on the tip side of a spring piece (not shown) formed on each front end side. Corresponding to the engagement hole 52 d of the receptacle 1, the protrusion 361 protrudes upward from the left and right ends of the upper plate of the metal shell 305 through openings (not shown) formed therein.

  Then, in a state where the third plug 301 is abutted against the opening 10 of the receptacle 1, the third plug 301 is inserted into the mating fitting portion 52 through the opening 10 of the receptacle 1, whereby the first convex portion 22 of the receptacle 1. Between the upper surface 22b opposite to the lower surface 22a on which the first mating contact portion 31 is disposed and the upper plate of the first fitting portion 52a, and the second mating contact portion 41a of the second convex portion 23. 41b, only the metal shell 305 of the third plug 301 is inserted between the lower surface 23b opposite to the upper surface 23a on which the upper surface 23a is disposed and the upper plate of the second fitting portion 52a. The first counterpart contact portion 331 and the second counterpart contact portion 341 are inserted into the gap 11 between the first convex portion 22 and the second convex portion 23 of the receptacle 1 via the first concave portion 322 and the second concave portion 323. Of the third plug 301 The first counterpart contact portion 331 presses against and contacts the first counterpart contact portion 31 of the receptacle 1, and the second counterpart contact portion 341 of the third plug 301 is the second counterpart contact portion 41a, 41b of the receptacle 1. The receptacle 1 and the third plug 301 are physically and electrically connected to each other, and in addition to signal transmission and power supply in conformity with the USB 2.0 standard, it is faster than the USB 2.0 standard. Signal transmission and high voltage power supply are possible.

  As described above, the receptacle 1 of this embodiment is held by the insulator 2 including the first protrusion 22 and the second protrusion 23 that protrude in parallel with the circuit board 100 from the base portion 21 in a two-tiered manner. The first leg that protrudes from the first counterpart contact portion 31 and the base portion 21 arranged on the first convex portion 22 to the opposite side of the first convex portion 22 and the second convex portion 23 and is soldered to the circuit board 100. A plurality of first contacts 3 provided with a portion 32, a first leg portion than the second counterpart contact portions 41 a and 41 b and the base portion 21 which are held by the insulator 2 together with the first contact 3 and are disposed on the second convex portion 23. 32, a plurality of second contacts 4A, 4B having second legs 42a, 42b that are soldered to the circuit board 100 and projecting to the same side as 32, and a counterpart surrounding the first convex portion 22 and the second convex portion 23 in a cylindrical shape. Metal shell 5 provided with side fitting part 52 The mating part 52 has a convex shape with the center projecting when viewed from the plug mating direction, and the first projecting part 22 is a first mating part composed of a portion other than the projecting part of the mating mating part 52. 52a, the second convex part 23 is arranged in the second fitting part 52b consisting of the protruding part of the mating fitting part 52, and the first mating contact part 31 and the second mating contact part 41a. , 41b are arranged only on the surfaces 22a, 23b of the first convex portion 22 and the second convex portion 23 facing each other.

  In the receptacle 1, the first mating portion 52 a, which is a part of the mating mating portion, is mated with a micro USB 2.0 plug (first plug) that is electrically connected only to the first contact 3, or mated mating The second plug 201 connected only to the second contacts 4A and 4B or the first contact 3 and the second contact 4 are electrically connected by the entire portion 52 (first fitting portion 52a + second fitting portion 52b). Although it can be fitted to the three plugs 301, the first convex portion 22 where the first mating contact portion 31 is arranged and the second convex portion 23 where the second mating contact portions 41a and 41b are arranged in two stages. The first receptacle contact portion 31 and the second counterpart contact portions 41a and 41b are arranged in a two-tiered manner so that the entire receptacle 1 can be compared to the micro USB 2.0 receptacle side connector. Behind The length of the receptacle 1 (the length of the arrow D) is at least not significantly increased, and the overall width of the receptacle 1 (the length of the arrow W) is hardly increased, and the area occupied by the substrate of the receptacle 1 (the length of the arrow D) X The length of the arrow W is not at least significantly increased. In addition, the first counterpart contact portion 31 and the second counterpart contact portions 41a and 41b are arranged only on the surfaces 22a and 23a facing each other of the first convex portion 22 and the second convex portion 23, so that the first All the counterpart contact parts 241, 331, 341 of the micro USB 2.0 plug, the second plug 201, and the third plug 301 are inserted into the gap (concave part) 11 between the convex part 22 and the second convex part 23, The mating contact portions 241, 331, 341 are inserted between the surfaces 22 b, 23 b opposite to the contact arrangement surfaces 22 a, 23 a of the first convex portion 22 and the second convex portion 23 and the metal shell 5. The height of the entire receptacle 1 (the length of the arrow H1) is at least significantly higher than that of the micro USB 2.0 receptacle-side connector. As a result, the board mounting height (the length of the arrow H2) of the receptacle 1 is not at least significantly increased, so that the micro USB 2.0 plug, the second plug 201, and the third plug 301 can be fitted. The size and height of the receptacle 1 can be reduced.

  In the receptacle 1, the second leg portions 42 a and 42 b are arranged in a horizontal row with the first leg portion 32, so that the entire depth of the receptacle 1 (the length of the arrow D) is the same as that of the micro USB 2.0 receptacle side connector. The area occupied by the substrate of the receptacle 1 (the length of the arrow D × the length of the arrow W) can be reduced to the same level as that of the micro USB 2.0 receptacle side connector. The receptacle 1 that can be fitted to the second plug 201 and the third plug 301 can be further downsized.

  In the receptacle 1, the center of the mating mating part 52 projects toward the circuit board 100, and the second fitting part 52 b is inserted into the notch 101 provided in the circuit board 100, By mounting on the circuit board 100 with only the first fitting portion 52a disposed, the board mounting height of the receptacle 1 (the length of the arrow H2) is reduced to be equivalent to that of the micro USB 2.0 receptacle side connector. The receptacle 1 that can be lowered and can be fitted with the micro USB 2.0 plug, the second plug 201, and the third plug 301 can be further reduced in height (board mounting height).

  In the receptacle 1, the second leg portions 42 a and 42 b are arranged in a horizontal row with the first leg portion 32, and the center of the mating fitting portion 52 projects toward the circuit board 100, so that the second fitting portion 52 b is By placing the circuit board 100 in the notch 101 provided in the circuit board 100 and mounting the circuit board 100 on the circuit board 100 with only the first fitting part 52a disposed, Both the length of arrow D x the length of arrow W) and the board mounting height (length of arrow H2) can be suppressed to the same level as that of the micro USB 2.0 receptacle side connector, and the micro USB 2.0 plug , The receptacle 1 that can be fitted to the second plug 201 and the third plug 301 is the same space as the micro USB 2.0 receptacle side connector (length of arrow D × length of arrow W) X (length of arrow H2).

  In the receptacle 1, the metal shell 5 includes a plurality of legs 53 to be soldered to the circuit board 100, while the metal shell 5 extends from both ends of the first fitting portion 52 a of the mating fitting portion 52 to the root of the second fitting portion 52 b. At least a part of the shoulder portion 52c is brought into contact with the circuit board 100, and the mating fitting portion 52 is directly attached to the circuit board 100 by soldering at the contact portion. 201, the allowable twisting load of the receptacle 1 that can be fitted to the third plug 301 is improved, and the receptacle 1 can be further reduced in size and height.

  In the receptacle 1, the first fitting portion 52 a satisfies the standard shape of the micro USB 2.0 receptacle-side connector, and the first fitting portion 52 a is fitted with the micro USB 2.0 plug so that the micro USB 2.0 plug is used. Thus, signal transmission and power supply complying with the USB standard can be performed, and at the same time, other signal transmission and the like can be performed by using the second plug 201 and the third plug 301. The receptacle 1 that can be fitted with the micro USB 2.0 plug, the second plug 201, and the third plug 301 can be reduced in size and height.

1 Receptacle (Connector side connector)
2 Insulator 21 Base 22 First convex 22a Surface 23 Second convex 23a Surface 3 First contact 31 First counterpart contact 32 First leg 4A, 4B Second contact 41a, 41b Second counterpart contact Part 42a, 42b second leg part 5 metal shell 52 mating part fitting part 52a first fitting part 52b second fitting part 52c shoulder part 53 leg part 100 circuit board 101 notch part

Claims (5)

  An insulator having a first convex portion and a second convex portion protruding in parallel with the circuit board from the base portion in a two-tiered manner, and a first counterpart contact held by the insulator and disposed on the first convex portion A plurality of first contacts provided with a first leg portion that protrudes from the base portion and the base portion to the opposite side of the first convex portion and the second convex portion and soldered to the circuit board; A plurality of second contact portions that are held by an insulator and that are arranged on the second convex portion, and a second leg portion that protrudes from the base portion to the same side as the first leg portion and is soldered to the circuit board. A second shell and a metal shell having a mating fitting portion that surrounds the first convex portion and the second convex portion in a cylindrical shape, and the mating mating portion plugs it into a plug-side connector. When viewed from the direction, it has a convex shape with the center protruding, and the first convex part is It arrange | positions in the 1st fitting part which consists of parts other than the overhang | projection part of a hand side fitting part, and the said 2nd convex part arrange | positions in the 2nd fitting part which consists of the overhang | projection part of the said other party fitting part, The first mating contact portion and the second mating contact portion are arranged only on surfaces of the first convex portion and the second convex portion facing each other.   The connector according to claim 1, wherein the second leg is arranged in a horizontal row with the first leg.   The center of the mating mating part projects to the circuit board side, the second fitting part is inserted into a notch provided in the circuit board, and the first fitting is placed on the circuit board. The connector according to claim 1, wherein the connector is mounted on the circuit board in a state where only the portion is arranged.   The metal shell includes a plurality of legs to be soldered to the circuit board, and at least one of shoulder portions from both ends of the first fitting portion of the mating fitting portion to a root of the second fitting portion. The part is brought into contact with the circuit board, and the mating part is directly attached to the circuit board by soldering at the contact part. connector.   The first fitting portion satisfies a standard shape of a micro USB 2.0 receptacle-side connector, and the first fitting portion is fitted to a micro USB 2.0 plug-side connector. Or the connector according to one.

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