JP2006244955A - Connector for substrate connection - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable to completely lock the connectors and facilitate to release locking state when connectors for substrate connection for connecting the substrates are engaged. <P>SOLUTION: The connector for substrate connection is composed of a substrate in which a socket wherein a plurality of contacts are arranged in a row in an insulating housing and the plurality of contacts are soldered to a solder jointing part and a substrate in which a plug wherein a plurality of terminals are arranged in a row in an insulating housing and the plurality of terminals are soldered to a solder jointing part. The socket has a lock spring having an engaging window at both ends arranged and the plug has a holding protrusion to engage with the engaging window. The substrate soldered with the plug is formed with a lock releasing window for releasing the engaging window of the lock spring from the above holding protrusion when the socket installed is detached from the plug. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a board connecting connector, and more particularly, to a board connecting connector having a structure in which a socket and a plug for connecting boards to each other are completely locked and the locked state can be easily released. Is.

The socket and the plug for connecting the printed circuit boards in the prior art attach the socket to the printed circuit board, attach the plug to the printed circuit board, and insert the plug into the socket to electrically connect the printed circuit boards.
As shown in FIGS. 18 to 21, the socket 110 includes a plurality of first contacts 112 and second contacts 113 that are parallel to each other in the longitudinal direction on an insulating housing 111 formed in a rectangular parallelepiped shape. The contacts 112 and 113 are arranged in an aligned state, and the socket 110 is disposed on the socket substrate by soldering the first and second contacts 112 and 113 to the substrate.

  The insulating housing 111 is formed in a rectangular parallelepiped shape, and a base 114 formed on the outside in the shape of a bowl, and a first and first shape having a combination of a U-shape and a reverse L-shape formed by projecting from the inside of the base 114. A contact locking part 115 for engaging and locking the two contacts 112 and 113; a reinforcing bracket locking part 117 for engaging and locking an L-shaped reinforcing bracket 116 at both ends in the longitudinal direction; Positioning protrusions 118a and 118b (see FIG. 20) formed to protrude to position the socket 110 are provided on two opposite sides.

  The contact locking portion 115 includes a first contact locking portion 119 for engaging and locking the first contact 112 in an aligned state on one side wall, and the second contact 113 is engaged and locked on the other side wall in an aligned state. The second contact locking portion 120 is provided.

  As shown in FIG. 21, the first and second contacts 112 and 113 are formed in a U shape on the side where the contact portion 121 that contacts the plug 130 is formed, and are formed in an inverted L shape on the side to be locked. And a structure in which a contact portion 121 projecting outward is provided on the free end portion formed in a shape, and a solder joint piece 122 connected to the solder joint portion of the substrate 124 is provided on the free end portion formed in an inverted L shape. It has become.

  As shown in FIG. 19, the reinforcing metal fitting 116 has an L-shaped one end portion with a solder joint piece 123 and the other end with an engaging portion 128 that engages with the reinforcing metal fitting engaging portion 117. is there.

  As shown in FIG. 22, the socket substrate 124 is provided with a region for soldering and fixing the first contact 112 and the second contact 113 and the reinforcing metal fitting 116 disposed in the insulating housing 111 forming the socket 110. A first contact solder joint 125 formed in an aligned state for soldering with a solder joint piece 122 of the first contact 112 disposed in the insulating housing 111 in an aligned state, and the first contact solder. Parallel to the joint 125, the second contact solder joint 126 to be soldered to the solder joint piece 122 of the second contact 113, and the reinforcing metal fitting 116 at both ends outside the first and second contact solder joints 125, 126. Reinforcing metal fitting solder joint 127 for soldering, and positioning protrusions 118a and 118b are engaged at positions near the reinforcing metal solder joint 127. Positioning engagement hole 128a, and has a structure in which a and 128b.

  The socket substrate 124 having such a structure is attached to the socket 110. In order to attach to the socket 110, the positioning protrusions 118a and 118b are engaged with the positioning engagement holes 128a and 128b, so that the solder contact piece 122 of the first contact 112 is placed on the first contact solder joint 125, and the second Soldering is performed by placing the solder joint piece 122 of the second contact 113 on the contact solder joint portion 126 and placing the solder joint piece 123 of the reinforcing metal fitting 116 on the reinforcing metal solder joint portion 127. The first and second contacts 112 and 113 are electrically connected, and the socket 110 attached to the board 124 by the reinforcing metal fitting 116 becomes robust.

  The plug 130 is a female connector, and as shown in FIGS. 23 to 26, the plug 130 is a first terminal that is a plurality of terminals in an insulating housing 131 formed in a rectangular parallelepiped shape that matches the shape of the socket of the male connector. 132 and the second terminal 133 are arranged in parallel along the longitudinal direction and the terminals 132 and 133 are arranged in an aligned state, and are arranged on the plug substrate.

The insulating housing 131 is formed with a recessed surface 134 on the inner side, the outer periphery thereof is formed with a wall, and a wall on one side engages and locks the first terminal 132, and the first terminal supporting wall The side opposite to 135 is a second terminal support wall 136 that engages and locks the second terminal 133, and both longitudinal ends connecting the first terminal support wall 135 and the second terminal support wall 136 engage the reinforcing metal fitting 137. The reinforcing metal support wall 138 to be stopped, and positioning protrusions 139a and 139b (see FIG. 25) formed to protrude on the two bottom sides of the rectangle so as to position the plug.
The first terminal support wall 135 has a structure in which a first terminal locking portion 141 is provided in which the first terminal 132 is engaged and locked in an aligned state and the contact portion faces the recessed surface 134. ing.
The second terminal support wall 136 has a structure in which the second terminal 133 is engaged and locked in an aligned state, and a second terminal locking portion 142 is provided in which the contact portion is disposed on the depressed surface 134. ing.
The reinforcing bracket support wall 138 is provided with a reinforcing bracket locking portion 143 that engages and locks the L-shaped reinforcing bracket 137.

  As shown in FIG. 26, the first terminal 132 and the second terminal 133 are formed in the same U-shape, and are provided with a solder joint piece 140 that protrudes outward from the U-shaped bottom portion. The U-shaped free end in the opposite direction of the piece 140 forms a contact 150 that contacts the socket contacts.

  As shown in FIG. 24, the reinforcing metal fitting 137 has the same shape as the reinforcing metal fitting 116 arranged in the socket 110, and one end portion formed in an L shape is a solder joint piece 144, and the other end portion. Is a locking portion 145 that locks to the reinforcing bracket locking portion 143.

  As shown in FIG. 27, the plug substrate 146 is provided with a region for soldering and fixing the first terminal 132 and the second terminal 133 disposed in the insulating housing 131 forming the plug 130. The first terminal solder joint portion 147 formed in an aligned state for soldering with the solder joint piece 140 of the first terminal 132 disposed in the insulating housing 131 in an aligned state, and the first terminal solder joint. Parallel to the portion 147, the second terminal solder joint portion 148 to be soldered to the solder joint piece 140 of the second terminal 133, and both ends of the first and second terminal solder joint portions 147, 148 arranged in an aligned state Reinforcing bracket solder joints 149 for soldering the reinforcing bracket 137 to the outer position, and positioning protrusions 139a, 139b at positions near the reinforcing bracket solder joints 149. Positioning engagement hole 151a for engagement, and has a structure in which a and 151b.

  The plug substrate 146 having such a structure is attached to the plug 130. To attach to the plug 130, the positioning protrusions 139a and 139b are engaged with the positioning engagement holes 151a and 151b, so that the solder joint piece 140 of the first terminal 132 is placed on the first terminal solder joint 147, and the second Soldering is performed by placing the solder joint piece 140 of the second terminal 133 on the terminal solder joint portion 148 and placing the solder joint piece 144 of the reinforcing bracket 137 on the reinforcing bracket solder joint portion 149, and soldering is performed. The second terminals 132 and 133 are electrically connected, and the plug attached to the substrate by the reinforcing metal fitting 137 is robust.

As shown in FIGS. 16 and 17, the socket having the board and the plug having the board are fitted in this manner by inserting the plug 130 having the board 146 into the socket 110 having the board 124. Thus, both the substrates 124 and 146 are electrically connected. That is, when the recessed surface 134 of the plug 130 is inserted into the contact locking portion 115 formed in the protruding shape of the socket 110, the contact portion 121 formed on the protruding portion of the first and second contacts 112 and 113 on the socket side is formed. A state is obtained in which the first and second terminals 132 and 133 of the plug are in contact with each other while being in contact with the contact portion 150 formed in a planar shape and electrically connected. This engagement is maintained by the shape of the male and female housings and the contact pressure between the first and second contacts 112 and 113 and the first and second terminals 132 and 133.
JP 2000-260509 A (5th page, FIG. 4)

  Further, in order to maintain the mating state of the socket of the male connector for board connection and the plug of the female connector, a method of maintaining the mating state by the contact pressure of the connector contact (terminal) as described above, In this connector, a reinforcing metal fitting is provided to lock the fitting state, or the fitting state is locked by the shape (mold) of the connector.

  However, the above-described method using the contact pressure of the contact (terminal) of the connector has a problem that the connectors cannot be completely locked with each other, and a reinforcing metal fitting is provided on the mutual connector, or the shape of the connector (mold). If the method of locking the fitting state is used, there is a problem that the connectors are completely locked, and the connectors cannot be easily fitted or removed.

  Therefore, when the board connector for connecting the board and the board is fitted, the connectors can be completely locked and the locked state can be easily released. Has a problem that must be done.

  In order to solve the above-described problems, the board connecting connector according to the present invention is configured as follows.

(1) A board connector includes a socket in which a plurality of contacts are arranged in an aligned state in an insulating housing, a board in which the plurality of contacts are soldered to a solder joint, and a plurality of terminals in the insulating housing. And a socket on which the plurality of terminals are soldered to the solder joint, and the socket includes lock springs having engagement windows at both ends, and the plug is engaged with the engagement. A restraining projection that engages with the window is provided to release the engagement window of the lock spring from the restraining projection when the socket attached to the board to which the plug is soldered is removed from the plug. Forming an unlocking window.
(2) The board connection connector according to (1), wherein the lock spring is formed with a size that does not protrude from the lock release window.

  In the present invention, lock springs having engagement windows are arranged at both ends of the socket, the plug is provided with a restraining protrusion that engages with the engagement window, and when the plug is attached to and removed from the socket. When the plug is inserted into the socket, the lock spring is completely locked and the lock spring is completely locked when the plug is inserted, so that the locking projection is released from the engagement window of the lock spring. By releasing the lock spring outwardly through the lock release window, the restraining protrusion locked to the engagement window can be removed and the plug can be removed.

  Next, an embodiment of the board connecting connector of the present invention will be described with reference to the drawings. However, the drawings are only for explanation, and do not limit the technical scope of the present invention.

  First, as shown in FIGS. 4 to 8, a socket 10 which is a male connector of a board connecting connector according to the present invention has a first contact 12 and a plurality of contacts on an insulating housing 11 formed in a rectangular parallelepiped shape. The two contacts 13 are arranged in parallel along the longitudinal direction and the respective contacts 12 and 13 are arranged in an aligned state. The socket 10 is arranged on a socket substrate 33 (see FIG. 5). The

The insulating housing 11 is provided with guide portions 14a and 14b having high height at both ends in the longitudinal direction, and a contact fitting portion 15 for disposing the first contact 12 and the second contact 13 at the center.
The contact fitting portion 15 includes a first contact support wall 16 formed on a line for engaging and locking the first contact 12 composed of a plurality of contacts in an aligned state, and is arranged in parallel to the first contact support wall 16. A fitting support wall 17 provided, and a second contact support wall 18 having the same shape as the first contact support wall 16 in parallel so as to face the first contact support wall 16 with the fitting support wall 17 as a boundary. A first contact groove 19 is formed between the one contact support wall 16 and the fitting support wall 17, and a second contact groove 21 is formed between the fitting support wall 17 and the second contact support wall 18. The first contact 12 is disposed so as to face the first contact groove 19, and the second contact 13 is disposed so as to face the second contact groove 21.

As shown in FIG. 8 in particular, the first contact 12 and the second contact 13 are formed in a substantially S-shape obtained by shrinking the S-shape of the same shape sideways, the end portion is a solder joint piece 22, and the solder joint piece A contact support portion 23 that engages with the first contact support wall 16 is a position formed in a U-shape that is continuous to 22, and a contact portion 24 is formed by projecting a tip that is bent in the continuous opposite direction into an arc shape. To do.
As shown in FIG. 8, the first contact 12 having such a structure is arranged such that the solder joint piece 22 is flush with the lower end portion of the insulating housing 11, and the contact support portion 23 is placed on the first contact support wall 16. The contact portion 24 is disposed so as to face the first contact groove 19. As shown in FIG. 8, the arrangement of the second contact 13 is opposite to that of the first contact 12, and the solder joint piece 22 is flush with the lower end portion of the insulating housing 11 so that the contact support portion 23 is brought out. The second contact support wall 18 is fitted, and the contact portion 24 is disposed facing the second contact groove 21.

As shown in FIGS. 4 and 5, the guide portions 14a and 14b guide the plug 40 of the female connector, and engage the guide portions 14a and 14b on both sides to accurately insert the plug. It has a configuration with a locking mechanism that completely locks the plug so that it does not come out.
The structure includes a guide protrusion 25 formed in a substantially U-shape and a spring storage hole 26 cut out in the lateral direction at the center of the guide protrusion 25. The spring storage hole 26 is made of an elastic member. The formed lock spring 27 is accommodated. The lock spring 27 is a flat plate member whose top is bent outward to form a release piece 28, which is hollowed at a central position to form an engagement window 29, and a support piece (see FIG. 7) 31 that engages the insulating housing 11 at a lower position. The structure is such that a solder joint portion 32 is provided on the base side bottom of the support piece 31. This engagement window 29 hooks the restraining projection 52 (see FIG. 3) of the plug 40 to bring it into a completely locked state.
Further, the release piece 28 of the lock spring 27 is formed with a size that does not protrude from the lock release window 56 (see FIG. 3) when the substrates 33 and 53 described later are connected to each other. It has become.

  As shown in FIG. 9, the socket substrate 33 is provided with a region for soldering and fixing the first contact 12 and the second contact 13 and the lock spring 27 disposed in the insulating housing 11 forming the socket. The first contact solder joint 34 formed in an aligned state for soldering to the solder joint piece 22 of the first contact 12 disposed in the insulating housing 11 in an aligned state, and the first contact solder joint 34, a second contact solder joint 35 for soldering to the solder joint piece 22 of the second contact 13, and a solder joint of the lock spring 27 at both ends of the first and second contact solder joints 34, 35. The structure is provided with a lock spring solder joint portion 36 for soldering with the portion 32.

  The socket substrate 33 having such a structure is attached to the socket 10. To attach to the socket 10, the solder joint piece 22 of the first contact 12 is placed on the first contact solder joint portion 34, the solder joint piece 22 of the second contact 13 is placed on the second contact solder joint portion 35, and the lock spring solder. By placing the solder joint portion 32 of the lock spring 27 on the joint portion 36, soldering is performed, and the first and second contacts 12 and 13 of the board 33 and the socket 10 are electrically connected.

  The plug is a female connector, and as shown in FIGS. 10 to 14, the first terminal is a plurality of terminals in an insulating housing 41 formed in a rectangular parallelepiped shape matching the shape of the socket 10 of the male connector. 42 and the second terminal 43 are arranged in parallel along the longitudinal direction and the terminals 42 and 43 are arranged in an aligned state, and are arranged on the plug substrate 53.

The insulating housing 41 has insertion guide portions 44 a and 44 b at both ends, and a central portion forms a terminal fitting portion 45 in which the first terminal 42 and the second terminal 43 are disposed.
The terminal fitting portion 45 includes a first terminal support wall 46 formed in a line for engaging and locking the plurality of first terminals 42 in an aligned state, and in parallel so as to face the first terminal support wall 46. The second terminal support wall 47 has the same shape, and a fitting recess 50 is formed between the first terminal support wall 46 and the second terminal support wall 47, and the first terminal 42 and the second terminal are formed in the fitting recess 50. Arranged with the terminal 43 facing.
As shown mainly in FIG. 14, the first terminal 42 and the second terminal 43 are solder joint pieces 48 which are formed in a substantially U shape having the same shape and whose end portions are bent in a direction orthogonal to each other. The contact portion 49 is formed by inflating the portion bent in a letter shape in the front direction. In the first terminal 42 and the second terminal 43 having such a structure, the first terminal 42 is engaged with the first terminal support wall 46, the second terminal 43 is engaged with the second terminal support wall 47, and the fitting is performed. The contact portion 49 is disposed in the concavity 50 so as to face each other.

  As shown mainly in FIG. 11, the insertion guide portion 44 a (44 b) includes a guide protrusion 51 that protrudes from the mounted first and second terminals 42 and 43, and protrudes beyond the guide protrusion 51. And it has the structure provided with the latching protrusion 52 which protruded outward. The restraining projection 52 is configured to face a lock release window 56 provided on the plug substrate 53.

  As shown in FIG. 15, the plug substrate 53 is provided with a region for soldering and fixing the first terminal 42 and the second terminal 43 disposed in the insulating housing 41 that forms the plug 40. A first terminal solder joint 54 formed in an aligned state for soldering with a solder joint piece 48 of the first terminal 42 arranged in an aligned state on the housing 41, and the first terminal solder joint 54 In parallel, the second terminal solder joint portion 55 to be soldered to the solder joint piece 48 of the second terminal 43 and the both ends outside the first and second terminal solder joint portions 54 and 55 arranged in an aligned state. It has a structure in which an unlocking window 56 formed by cutting out into a quadrangular shape so that the retaining projection 52 of the plug 40 can be seen.

  The plug 40 is attached to the plug substrate 53 having such a configuration in a state where the plug 40 is electrically connected with the locking projection 52 facing the lock release window 56. To attach to the plug 40, the solder joint piece 48 of the first terminal 42 is placed on the first terminal solder joint portion 54, and the solder joint piece 48 of the second terminal 43 is placed on the second terminal solder joint portion 55, and soldering is performed. As a result, the plug substrate 53 and the first and second terminals 42 and 43 of the plug 40 are electrically connected, and the restraining projection 52 faces the unlocking window 56.

As shown in FIGS. 1 and 2, the socket 10 having the substrate 33 and the plug 40 having the substrate 53 are fitted into the plug 40 having the substrate 53 in the socket 10 having the substrate 33. The two substrates 33 and 53 are in an electrically connected state and are supported in a completely locked state. That is, the first terminal 42 of the first terminal support wall 46 is centered on the fitting support wall 17 of the socket 10 in the first contact groove 19 in which the first contact 12 of the socket 10 is disposed, and the second terminal support. The first terminal 42 is slid onto the contact portion 24 of the first contact 12 by simultaneously mounting the second terminal 43 of the wall 47 in the second contact groove 21 where the second contact 13 of the socket 10 is disposed. The second terminal 43 is connected to the contact portion 24 of the second contact 13 while sliding. Then, as shown in FIG. 3, at both ends, the side end portions of the restraining projections 52 of the plug 40 proceed to the mounting direction while pressing the lock springs 27 of the socket 10 and spreading outwardly, and the first and second When the terminals 42 and 43 are electrically connected to the first and second contacts 12 and 13, the restraining protrusion 52 enters the engagement window 29 of the lock spring 27. Then, the state where the distal end portion of the restraining projection 52 enters the engagement window 29 is maintained, and when the plug substrate 53 is removed, the restraint projection 52 is engaged with the engagement window 29. Therefore, it is possible to maintain a completely locked state without coming off.
When the substrates 33 and 53 are removed, the restraining projection 52 is disengaged from the engagement window 29 by moving the reel part 28 corresponding to the tip portion of the lock spring 27 from the lock release window 56 in the outward direction (the direction indicated by the broken line). Thus, the locked state is released, and the plug substrate 53 can be easily removed by lifting it upward.

It is explanatory drawing which showed a mode that a plug was inserted in the socket which concerns on this invention. It is explanatory drawing which showed a mode that a plug was inserted in a socket partially in the same section. It is explanatory drawing expanded and shown in the partial cross section which shows a mode that the plug was inserted in the socket and it was in the completely locked state. It is a top view of the socket concerning the present invention. It is the side view made into the partial cross section of the socket same as the above. It is a bottom view of a socket same as the above. It is explanatory drawing which made the guide part of the socket the partial cross section. FIG. 5 is a cross-sectional view taken along line AA in FIG. 4. It is explanatory drawing of the board | substrate for sockets which concerns on this invention. It is a top view of the plug concerning the present invention. It is the side view made into the partial cross section of a plug same as the above. It is a bottom view of a plug same as the above. It is explanatory drawing which made the insertion guide part of the plug into a partial cross section similarly. It is the BB sectional drawing in FIG. It is explanatory drawing of the board | substrate for plugs which concerns on this invention. It is explanatory drawing which showed a mode that a plug was inserted in the socket in a prior art. It is explanatory drawing which showed a mode that a plug was inserted in a socket partially in the same section. It is a top view of the socket in a prior art. It is the side view made into the partial cross section of the socket same as the above. It is a bottom view of a socket same as the above. FIG. 19 is a cross-sectional view taken along the line CC in FIG. It is explanatory drawing of the board | substrate for sockets in a prior art. It is a top view of the plug in a prior art. It is the side view made into the partial cross section of a plug same as the above. It is a bottom view of a plug same as the above. It is the DD sectional view taken on the line in FIG. It is explanatory drawing of the board | substrate for plugs in a prior art.

Explanation of symbols

10 socket 11 insulating housing 12 first contact 13 second contact 14a guide portion 14b guide portion 15 contact fitting portion 16 first contact support wall 17 fitting support wall 18 second contact support wall 19 first contact groove 21 second contact Groove 22 Solder joint piece 23 Contact support portion 24 Contact portion 25 Guide protrusion 26 Spring storage hole 27 Lock spring 28 Release piece 29 Engagement window 31 Support piece 32 Solder engagement portion 33 Socket substrate 34 First contact solder joint portion 35 Two-contact solder joint 36 Lock spring solder joint 40 Plug 41 Insulating housing 42 First terminal 43 Second terminal 44a Insertion guide 44b Insertion guide 45 Terminal fitting part 46 First terminal support wall 47 Second terminal support wall 48 Solder joint piece 49 Contact portion 50 Fitting recess 51 Guide projection 52 Restraint projection 53 Plug substrate 54 First terminal solder joint 55 second terminal solder joints 56 unlocked windows.

Claims (2)

A socket in which a plurality of contacts are arranged in an aligned state on an insulating housing, and a substrate on which the plurality of contacts are soldered to a solder joint;
A plug in which a plurality of terminals are arranged in an aligned state in an insulating housing, and a substrate on which the plurality of terminals are soldered to a solder joint;
The socket is provided with a lock spring having engagement windows at both ends, the plug is provided with a restraining protrusion that engages with the engagement window, and the socket is attached to a board for soldering the plug. A board connection connector, wherein a lock release window is formed to release an engagement window of the lock spring from the restraining projection when the plug is removed from the plug.   The board connection connector according to claim 1, wherein the lock spring is formed with a size that does not protrude from the lock release window.

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