JPH0817526A - Connector for printed circuit board - Google Patents

Abstract

PURPOSE:To absorb external force, even if a moving socket housing portion and a terminal fixing housing portion are dislocated mutually, so as to put them in excellent connection by coupling them mutually with an elastic coupling plate so as to be connected to and be disconnected from each other. CONSTITUTION:A plug 18 is inserted into the plug insertion recessed portion 2A of a moving socket housing portion 2 from above so as to connect connection elements 7 for both male and female types, 19 mutually. When the moving socket housing portion 2 and the plug 18 are dislocated from a predetermined position in the direction of the moving socket housing portion 2, the moving socket housing portion 2 is moved so as to be connected to and be disconnected from a terminal fixing housing portion 3 owing to the elastic deformation of a coupling plate 4 and the elastic deformation of the upper half portion 9A of a connection element 7 terminal portion 9, and undesirable external force is absorbed. Thereby, the breakage of the connection elements 7, 19, the separation of a soldering portion 17, and the like are prevented so that it is possible to always maintain an excellent connection state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for a printed circuit board in which a plug is inserted for electrical connection, and in particular, it is optimal for use when electrically connected to a plug fixed to a printed circuit board or the like. The present invention relates to a board connector.

[0002]

2. Description of the Related Art As a printed circuit board connector, there is a structure for electrically connecting a mode switch and a printed circuit board in a video set as shown in FIGS. 9 and 10, for example. That is, in the drawing, reference numeral 1 denotes a socket of a connector, which has a rectangular parallelepiped box shape formed with a long plug insertion recess 1A in the width direction thereof, and a plurality of female shapes accommodated in the socket 1 in parallel. The electronic connector 2 has its contact portion 2A exposed in the plug insertion recess 1A, and each terminal portion 2B protrudes downward and is soldered to a copper foil pattern formed on the back surface of the printed circuit board 3. Is fixed.

Reference numeral 4 denotes a disk-shaped mode switch, which is provided with electric contacts on the upper surface of the lower stator 5 and on the lower surface of the upper rotor 6, respectively, and is connected to the rotor 6 by a rotating shaft 7.
Is rotated to selectively switch modes. A plug 8 inserted into the plug insertion recess 1A of the socket 1 hangs down on a part of the stator 5, and the front surface of the plug 8 is connected to the contact portion 2A of the female electronic connector 2. The contact portions 9A of the corresponding number of male electronic connectors 9 are fixed in parallel. The mode switch 4 is fixed on the metal plate 11 by the hook 10 provided on the stator 5. Therefore, the printed circuit board 3
The plug 8 of the mode switch 4 fixed on the metal plate 11 is inserted into the plug insertion concave portion 1A of the socket 1 fixed to the above from above to electrically connect both electric contacts.

[0004]

However, in the connector having the structure shown in FIGS. 9 and 10, when the socket 1 and the plug 8 are connected with their relative positions shifted in the socket 1 direction, the socket 1 Since 1 is fixed to the printed circuit board 3, unnecessary external force is applied to the socket 1 and the plug 8, which adversely affects these parts,
There was a risk of causing poor electrical contact.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, in which a connector housing for accommodating an electrical connector is fixed to a printed circuit board, and The connector is divided into a terminal fixed housing that solders the electrical connector to the copper foil pattern, and a movable socket housing that makes electrical contact with the inserted plug to absorb unnecessary external force due to displacement of the relative position to the plug, The purpose of the present invention is to improve the reliability of the electrical connection of the female electric connector, and the gist thereof is to provide a movable socket housing portion for accommodating the contact portion with the plug of the female electric connector and the female electric connector. According to another aspect of the present invention, there is provided a printed circuit board connector characterized in that a terminal fixing housing portion that accommodates a terminal portion of a connector is connected by a connecting plate having an elastic force so as to be able to come into contact with and separate from each other.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings. 1 is a perspective view of the socket body and the plug of the printed circuit board connector according to the present invention.
Is a plan view of the socket body, FIG. 3 is a rear view of the socket body, FIG. 4 is a side view of the socket body, FIG. 5 is a perspective view of a female electric connector housed in the socket body, and FIG. FIG. 7 is a vertical cross-sectional view showing a normal operation state of the socket body.
Is a vertical cross-sectional view showing the operating state of the socket body when it is displaced,
FIG. 8 is a vertical cross-sectional view showing an operation state at the time of displacement different from FIG.

In the figure, reference numeral 1 denotes a socket body of a connector for a printed circuit board according to the present invention, a movable socket housing portion 2, a terminal fixing housing portion 3 which is a separate body from the movable socket housing portion 2, and the movable socket housing. It is composed of a connecting plate 4 for connecting the portion 2 and the terminal fixing housing portion 3. The movable socket housing portion 2 has a bottom with a plug insertion recess 2A formed by opening one of the upper surface and the circumferential wall in the longitudinal direction (width direction) so that a plug 18 described later can be inserted from above. The movable socket housing portion 2 has a rectangular parallelepiped box shape.
A hook 5 and a positioning pin 6 that engage with a printed circuit board 15, which will be described later, are provided on both sides of the bottom surface in the width direction.

The height of the terminal fixing housing part 3 is the same as the height of the movable socket housing part 2, but its width is a plate shape narrower than the width of the movable socket housing part 2. Further, the vertical width of the connecting plate 4 is a strip plate shape having an elastic force considerably smaller than the height of the movable socket housing part 2, and connects both ends of the movable socket housing part 2 and the terminal fixing housing part 3, respectively. Then, the movable socket housing portion 2 and the terminal fixed housing portion 3 are configured to be able to come into contact with and separate from each other in a parallel state.

Reference numeral 7 denotes a female electric connector housed in the socket body 1, as shown in FIG. 5, a contact portion 8 and a terminal portion 9
And an inverted L-shaped connecting portion 10 connecting the two. The contact portion 8 is the substrate portion 11 in the vertical state.
And a contact piece 12 having an elastic force extending obliquely downward from the upper end of the base portion 11, and a locking claw 13 is provided below the substrate portion 11. Further, the terminal portion 9 is formed in a strip shape of a predetermined length, and the upper half 9A is formed narrower than the lower half 9B from the center thereof so as to be elastically deformable in the front-rear direction (the contact portion 8 direction). A locking claw 14 is provided on both upper sides of the lower half 9B. Further, the connecting portion 1
0 is connected to one side edge of the substrate portion 11 of the contact portion 8, and the upper end of the connection portion 10 is connected to one side edge of the upper end of the terminal portion 9 to integrate the contact portion 8 and the terminal portion 9. ing.

The contact portion 8 of the female electrical connector 7
Are fixed to the movable socket housing part 2 by locking claws 13 of the substrate part 11, and the contact pieces 12 are exposed in the plug insertion recesses 2A of the movable socket housing part 2, and the female electrical connector 7 The terminal portion 8 is fixed to the terminal fixed housing portion 3 by a locking portion 14, and the lower portion of the lower half 9 </ b> B protrudes from the bottom surface of the terminal fixed housing portion 3.
The printed circuit board 15 is provided with a locking long hole 16 into which the hook 5 of the movable socket housing 2 is inserted and locked, and a positioning pin 6 is inserted. Slot 16 for the movable socket housing 2
Is formed in an elongated hole so that it can move in the direction of the terminal fixing housing portion 3.

Therefore, as shown in FIG. 6, the movable socket housing portion 2 is connected to the printed circuit board 15 from the hooks 5.
The terminal fixing housing portion 3 is movably locked to the female electric connector 7 on the copper foil pattern on the back surface of the printed circuit board 15.
The terminal portion 9 is fixed by soldering 17. At this time, as shown in FIG. 6, the hook 5 and the positioning pin 6 of the movable socket housing portion 2 are respectively attached to the printed circuit board 15 as shown in FIG.
The movable socket housing portion 2 can be moved in the direction of the terminal fixing housing portion 3 by disposing the movable socket housing portion 2 at the center position of the locking elongated hole 16. Further, on the front surface of the plug 18, there is provided a male electric contact 19 which is electrically connected to the contact piece 12 of the contact portion 8 of the female electric connector 7 fixed to the movable socket housing portion 2, The width of the male electric contact 19 is equal to the width of the contact piece 12 of the female electric contact 7.
Is formed wider than the width.

Therefore, the plug 18 is inserted into the plug insertion recess 2A of the movable socket housing portion 2 from above to electrically connect the two electrical connectors 7 and 19. At this time, when the plug 18 is inserted into the movable socket housing part 2 in a state where the movable socket housing part 2 and the plug 18 are displaced from each other in a direction from the predetermined position toward the movable socket housing part 2, FIG. As shown in FIG. 8, the movable socket housing portion 2 is elastically deformed by the connecting plate 4 and the upper half portion 9A of the terminal portion 9 of the female electric connector 7,
Since the unnecessary external force is absorbed by moving the terminal fixing housing portion 3 toward and away from the terminal fixing housing portion 3, both electric connectors 7,
It is possible to prevent the damage of 19 and the peeling of the soldering 17, and to always maintain a good electrical connection state.

The length of the plug insertion recess 2A in the width direction of the movable socket housing portion 2 is larger than the length of the plug 18 in the width direction, and the plug 18 can move in the width direction in the recess 2A. Since the plug 18 is formed to have the above-described structure, the positional deviation of the plug 18 in the width direction with respect to the movable socket housing portion 2 is also eliminated. In this case, since the width of the male electrical connector 19 is considerably wider than the width of the female electrical connector 7, there is no problem in electrical connection.

[0014]

As described above, the printed circuit board connector according to the present invention accommodates the movable socket housing portion for accommodating the contact portion of the female electric connector with the plug and the terminal portion of the female electric connector. The terminal fixing housing part is connected by a connecting plate having an elastic force so that the terminal fixing housing part and the terminal fixing housing part can be separated from each other. Even when the plug is fitted into the movable socket housing part in this state, the movable socket housing part approaches the terminal fixed housing part due to the elastic deformation of the connecting plate,
Alternatively, it moves parallel to the direction away from the terminal fixed housing part to absorb unnecessary external force due to the displacement, and the adverse effect on the female electric connector of the movable socket housing part and the male electric connector of the plug is reduced. Therefore, it is possible to always maintain a good electrical connection state. Further, a hook is vertically provided at the bottom of the movable socket housing portion, and the hook is formed so as to be inserted into a long slot for locking which is long in the direction of the terminal fixing housing portion formed on the printed circuit board. The movement of the housing portion is guided by the locking elongated hole and can be smoothly moved. Further, the length of the plug insertion concave portion in the width direction of the movable socket housing portion is formed to be larger than the length of the plug in the width direction, and the plug is formed so as to be movable in the plug insertion concave portion. Even when the plug is fitted in the movable socket housing with the relative positional relationship between the housing and plug shifted in the width direction, the plug moves in the plug insertion recess in the width direction and the position shift occurs. There are various effects that can absorb unnecessary external force.

[Brief description of drawings]

FIG. 1 is a perspective view of a socket body of a printed circuit board connector according to the present invention and a plug to be connected.

FIG. 2 is a plan view of the socket body.

FIG. 3 is a rear view of the socket body.

FIG. 4 is a side view of the socket body.

FIG. 5 is a perspective view of a female electric connector housed in the socket body.

FIG. 6 is a longitudinal sectional view showing an operating state of the socket body at a normal time.

FIG. 7 is a vertical cross-sectional view showing an operating state when the socket body is displaced.

FIG. 8 is a vertical cross-sectional view showing an operation state at the time of displacement different from that in FIG.

FIG. 9 is a plan view showing a usage example of a conventional printed circuit board connector.

FIG. 10 is a side view in which a part of the connector is cut away.

[Explanation of symbols]

 1 Socket Main Body 2 Movable Socket Housing Part 3 Terminal Fixed Housing Part 4 Connecting Plate 5 Hook 7 Female Electrical Connector 8 Contact Part 9 Terminal Part 9A Upper Half 9B Lower Half 10 Connecting Part 15 Printed Circuit Board 16 Long Hole for Locking 17 Soldering 18 Plug 19 Male Electrical Connector

Claims (3)

[Claims] 1. A movable socket housing portion for accommodating a contact portion of a female electric connector with a plug and a terminal fixing housing portion for accommodating a terminal portion of the female electric connector can be brought into and out of contact with each other. A printed circuit board connector, which is connected by a connecting plate having an elastic force. 2. A movable socket housing portion for accommodating a contact portion of the female electric connector with a plug and a terminal fixing housing portion for accommodating a terminal portion of the female electric connector can be brought into and out of contact with each other. When connecting with a connecting plate having elastic force, a hook is hung vertically on the bottom of the movable socket housing part, and the hook is formed in a long slot for locking long in the direction of the terminal fixing housing part formed on the printed circuit board. A connector for a printed circuit board, which is formed so as to be inserted. 3. A movable socket housing portion for accommodating a contact portion of the female electric connector with a plug and a terminal fixing housing portion for accommodating a terminal portion of the female electric connector can be brought into and out of contact with each other. By connecting with a connecting plate having an elastic force, the width of the plug insertion concave portion in the width direction of the movable socket housing portion is formed to be larger than the length of the plug in the width direction, and the plug can move in the concave portion. A printed circuit board connector characterized by being formed as described above.