JP4249667B2 - Socket for electrical parts and connection structure of electrical parts and cables using the same - Google Patents

Description

  The present invention relates to an electrical component socket for connecting a contact portion of an electrical component such as an IC module and a contact portion of a cable such as a flexible flat cable, and an electrical component and cable connection structure using the socket.

  As a structure of a conventional connector such as a socket for electrical parts, the lead part of an IC package as an electrical part is opposed to a contact part of a flexible cable, and is sandwiched by clamp members from above and below to be connected by pressure contact. Are known (for example, see Patent Document 1).

Hereinafter, the structure of a conventional connection connector will be described with reference to the drawings.
FIG. 11 is a plan view of a conventional connector, and FIG. 12 is an exploded perspective view of the conventional connector.

  In the figure, the connector 20B is for a QFP semiconductor package 60. The connector 20B includes a receiving member 70 and a clamp member 80. The receiving member 70 is generally a square plate-like body, and has a package support main body 71 at the center, along the four sides. And receiving members 72, 73, 74 and 75, and a receiving portion 77 with a hole 76 in the corner portion.

  The package body support portion 71 has a mounting hole 71-1 at the center, and has L-shaped positioning ribs 71-2 at each corner portion. The clamp member 80 has a generally rectangular frame shape and has mounting holes 81 in each corner portion. The semiconductor package 60 includes a package main body 61 and leads 62 extending in all directions.

  The seat member 70 is fixed to the chassis by screws, for example. The flexible cable 30 is placed on the seat member 70, the semiconductor package 60 is placed, and the clamp member 80 is screwed to the seat member 70, whereby each side of the semiconductor package 60 is shown in FIG. The lead 62 overlaps with the flexible cable 30 and is directly pressed and electrically connected.

  The clamp member 80 is positioned with respect to the seat member 70 by fitting the notch portion of each corner portion with the receiving portion.

JP-A-8-195259

  However, in the above-described conventional connector connector structure, the clamp member is composed of two parts for screwing the IC package and the flexible cable as electrical parts from above and below, and these two parts are screwed. There is a problem that the number of parts increases and the number of assembly steps also increases.

  Therefore, the present invention solves the above-described problems, and provides an electrical component socket that can reduce the number of components, reduce the number of assembly steps, and provide an electrical component and cable connection structure using the socket. Objective.

In order to solve the above-described problems, in the present invention, as a first solving means, an electrical component mounting portion on which an electrical component is mounted, and an electrical component positioning portion that is provided on the electrical component mounting portion and positions the mounted electrical component A cable mounting portion to which the cable is mounted, a cable positioning portion for positioning the mounted cable, and an elastic piece for contacting the contact portion of the electrical component and the contact portion of the cable A socket for an electrical component in which the electrical component mounting portion, the cable mounting portion, and the pressing portion are integrally formed of the same metal material, and the electrical component mounting portion has an upper opening. The pressing portion is disposed below the mounting port, and the cable mounting portion is inserted laterally of the electrical component mounting portion between the mounting port and the pressing portion. A mouth is formed, and the cable is inserted through the insertion port of the cable mounting unit, while the electrical component is mounted toward the pressing unit through the mounting port of the electrical component mounting unit. It was set as the structure by which the cable is pressed to the said electrical component side with the elastic force of the said press part with mounting | wearing .

Further, as a second solving means, a plurality of the pressing portions are formed corresponding to the plurality of contact portions of the cable, and the plurality of contact portions of the cable are pressed by the plurality of pressing portions. It was.
Further, as a third solution, the electrical component positioning portion is formed by a hole or protrusion provided on a side upper end side of the electrical component mounting portion, and the latch provided on the electrical component in the hole or protrusion. The upper part of the electrical component is positioned by engaging the parts.

As a fourth solution, the cable positioning portion is formed by a protrusion provided on the upper end side or the lower end side of the insertion port of the cable mounting portion, and engages a locking hole provided in the cable with the protrusion. In this way, the cable is positioned in the front-rear direction.
As a fifth solving means, a grounding portion extending outward is formed on the side of the electrical component mounting portion.
As a sixth solution , a cable having a plurality of contact portions is mounted and positioned on the cable mounting portion of the electrical component socket according to any one of the first to fifth solutions. The surface of the cable is opposite to the surface on which the contact portion is formed by positioning the electrical component on the electrical component mounting portion with the plurality of contact portions facing the plurality of contact portions of the cable. However, the contact portion of the cable and the contact portion of the electrical component are elastically connected by being pressed by the elastic force of the pressing portion disposed below.

  As described above, the electrical component socket according to the present invention includes an electrical component mounting portion on which an electrical component is mounted, an electrical component positioning portion that is provided in the electrical component mounting portion and positions the mounted electrical component, and a cable. A cable mounting portion to be mounted; a cable positioning portion provided in the cable mounting portion for positioning the mounted cable; and a pressing portion made of an elastic piece for contacting the contact portion of the electrical component and the contact portion of the cable; Since the electrical component mounting part, the cable mounting part, and the pressing part are integrally formed of the same metal material, the electrical part mounting part, the cable mounting part, and the pressing part for bringing the respective contact parts into contact with each other are provided. Since it is formed by one part, the number of parts can be reduced, the structure is simplified, and the number of assembly steps can be reduced.

In addition, since the plurality of pressing portions are formed corresponding to the plurality of contact portions of the cable and the plurality of pressing portions press the plurality of contact portions of the cable, the plurality of contact portions are changed to the plurality of pressing portions. In this case, the cable contact portion and the electrical component contact portion can be reliably brought into contact with each other, and high connection reliability can be obtained.
In addition, the electrical component mounting part has a mounting opening that opens upward, a pressing part is disposed below the mounting opening, and a cable is mounted on the side of the electrical component mounting part between the mounting opening and the pressing part. Since the insertion port of the part is formed, the cable and the electrical component can be securely stacked and attached with a simple structure.
The electrical component positioning portion is formed by a hole or protrusion provided on the side upper end side of the electrical component mounting portion, and an engagement portion provided on the electrical component is engaged with the hole or protrusion to engage the electrical component. Since the positioning in the upward direction is performed, the electrical component can be reliably positioned on the electrical component mounting portion with a simple structure.

The cable positioning portion is formed by a protrusion provided on the upper end side or the lower end side of the insertion port of the cable mounting portion, and the cable is positioned in the front-rear direction by engaging a locking hole provided in the cable with the protrusion. Since this is done, the cable can be reliably positioned on the cable mounting portion with a simple structure.
In addition, since a grounding part that extends outward is formed on the side of the electrical component mounting part, external noise (electrostatic noise, radiation noise, etc.) that adversely affects the electrical part is grounded through the electrical part mounting part. As a result, it is possible to prevent adverse effects of external components on the IC and the like due to external noise.
In addition, a cable having a plurality of contact portions is mounted and positioned on the cable mounting portion of the electrical component socket according to any one of the first to sixth solving means, and the plurality of contact portions of the electrical component are connected to the cable. By mounting and positioning the electrical component on the electrical component mounting portion so as to face the plurality of contact portions, the surface opposite to the surface on which the contact portion of the cable is formed is the bottom of the pressing portion disposed below. Since the contact portion of the cable and the contact portion of the electrical component are elastically pressed and connected to each other, the electrical component mounting portion and the cable mounting portion having a pressing portion made of a metal material and having elasticity, With a simple structure in which the cable and the electrical component are simply mounted, the contact portion of the cable and the contact portion of the electrical component can be securely stacked and connected.

  1 to 10 show an embodiment of an electrical component socket and an electrical component-cable connection structure according to the present invention. 1 is a perspective view of an electrical component socket according to the present invention, FIG. 2 is a bottom view of the electrical component socket according to the present invention, and FIG. 3 shows a connection structure of an electrical component and a cable using the electrical component socket according to the present invention. FIG. 4 is a perspective view of a connecting structure of an electrical component and a cable using the electrical component socket of the present invention as seen from the bottom side, and FIG. 5 is an electrical component and cable using the electrical component socket of the present invention. 6 is an exploded perspective view showing the connection structure, FIG. 6 is an exploded perspective view of the connection structure between the electrical component and the cable using the electrical component socket of the present invention as viewed from the bottom side, and FIG. 7 is another view of the electrical component socket of the present invention. FIG. 8 is a perspective view showing still another embodiment of the electrical component socket of the present invention, and FIG. 9 is a state in which the electrical component socket of the present invention shown in FIG. 8 is mounted on a circuit board. FIG. 10 is a diagram for an electrical component of the present invention. Furthermore ket is a perspective view showing another embodiment.

  1 and 2, the electrical component socket 1 is formed in a box shape having an upper opening by punching and bending the same single metal plate. The electrical component socket 1 has an electrical component mounting portion 2 to which the electrical component 10 is mounted, a cable mounting portion 3 to which the cable 11 is mounted, a contact portion 10 a of the mounted electrical component 10 and a contact point of the cable 11. It has the press part 4 which consists of an elastic piece for making the part 11a contact.

  The electrical component mounting portion 2 has a mounting port 2a opened at the top, and a flat bottom plate portion 2b is provided below the mounting port 2a. Further, four side plates 2c are erected from the bottom plate portion 2b so as to surround the bottom plate portion 2b and are formed in a box shape. In addition, a horizontally long hole 2d is provided at the center of the upper end side of the four side plates 2c. The hole 2d engages with a protruding portion 10b provided in the electric component 10 so that the electric component 10 It is an electrical component positioning part that performs positioning in the upward direction.

  In addition, an open insertion port 3a is provided between the pair of side plates 2c and 2c facing each other and between the bottom plate portion 2b, and the gap between the pair of insertion ports 3a and the bottom plate portion 2b is provided. A cable mounting portion 3 is provided. Further, a protrusion 3b protruding downward from the side plate 2c is formed on the upper end side of the insertion port 3a of the cable mounting portion 3, and this protrusion 3b is engaged with a locking hole 11b provided in the cable 11. In combination, the cable 11 is a cable positioning portion that positions the cable 11 in the front-rear direction.

  Thus, the protrusion 10b provided on the electrical component 10 is engaged with the horizontally long hole 2d so that the electrical component 10 is positioned upward, and the projection 11b is provided on the cable 11. Since the positioning of the cable 11 in the front-rear direction is performed by engaging the locking hole 11b, the electrical component 10 and the cable 11 can be connected to the electrical component mounting portion 2 and the cable mounting portion with a simple structure. 3 can be surely positioned.

  A pressing portion 4 is provided on the bottom plate portion 2 b of the electrical component mounting portion 2. The pressing portion 4 is formed of a plurality of elastic pieces 4a extending toward the insertion port 3a of the cable mounting portion 3 so as to face each other from the center of the bottom plate portion 2b, and the free end side thereof being bent upward. And is formed integrally with the bottom plate portion 2b. In this case, a plurality of the elastic pieces 4a are formed corresponding to the plurality of contact portions 11a of the cable 11, and the plurality of elastic pieces 4a press the plurality of contact portions 11a of the cable 11 respectively. Yes.

  In addition, an insertion port 3a of the cable mounting portion 3 is formed below the side plate 2c of the electrical component mounting portion 2 between the mounting port 2a of the electrical component mounting portion 2 and the pressing portion 4. The surface of the cable 11 inserted from the insertion port 3a opposite to the surface on which the contact portion 11a is formed is pressed by the elastic piece 4a, so that the contact portion 11a of the cable 11 and the mounting port The contact part 10a of the electrical component 10 mounted on 2a is elastically contacted and connected.

  Thus, the electrical component mounting part 2 has the mounting opening 2a opened upward, and the pressing part 4 is disposed below the mounting opening 2a. The mounting opening 2a and the pressing part 4 Since the insertion port 3a of the cable mounting part 3 is formed at the side of the electrical component mounting part 2 in the middle of the cable 11, the cable 11 and the electrical part 10 are securely stacked and mounted with a simple structure. It has become something that can be.

  FIGS. 3 to 6 show a connection structure in which the electrical component 10 and the cable 11 are attached to the electrical component socket 1 having the above-described configuration and are connected to each other.

  In this case, the electrical component 10 is an IC module in which an integrated circuit such as an IC is incorporated, and has a lens body 10c on the upper surface. Moreover, it has the protrusion part 10b in the upper surface side of an outer side surface, and the several contact part 10a which opposed in 2 rows was provided in the bottom face. The cable 11 is a flexible sheet-like substrate such as a flexible printed circuit (FPC) or a flexible flat cable (FFC), and a plurality of contact portions 11a opposed to each other in two rows are formed on one surface (front surface). . A locking hole 11b penetrating vertically is formed in the vicinity of the contact portion 11a formed on the inner side.

  When mounting the electrical component 10 and the cable 11 to the electrical component socket 1 having the above-described configuration, first, the bottom plate portion is disposed below the pair of side plates 2c and 2c facing each other in the electrical component socket 1. The front end side of the cable 11 is inserted from the insertion port 3a provided between the cable 11 and the cable mounting portion 3 formed between the pair of insertion ports 3a and the bottom plate portion 2b. Wear. At this time, the cable 11 is positioned in the front-rear direction by engaging the locking hole 11b with the protrusion 3b formed to protrude downward from the side plate 2c on the upper end side of the insertion port 3a. The cable mounting portion 3 is positioned.

  Next, the electrical component 10 is inserted from the mounting port 2a of the electrical component mounting portion 2 of the electrical component socket 1, and four pieces are erected in a box shape so as to surround the bottom plate portion 2b. The electric component 10 is mounted on the electric component mounting portion 2 formed in the side plate 2c. At this time, the electric component 10 is positioned in the upward direction by engaging the protrusion 10b with the horizontally elongated hole 2d provided at the center of the upper end of the side plate 2c. It is positioned on the mounting portion 2.

  Further, at this time, the bottom plate portion 2b of the electrical component mounting portion 2 is provided with the pressing portion 4, and the plurality of elastic pieces 4a of the pressing portion 4 are opposed to each other from the center of the bottom plate portion 2b. Thus, the cable mounting portion 3 is extended toward the insertion port 3a, and its free end is bent upward, so that the contact portion 11a of the cable 11 mounted on the cable mounting portion 3 is used. The surface opposite to the surface on which is formed is pressed upward by the elastic piece 4a, and the electrical component 10 mounted on the contact portion 11a of the cable 11 and the electrical component mounting portion 2 is used. The contact portion 10a is elastically contacted and connected.

  In this case, a plurality of elastic pieces 4 a are formed corresponding to the plurality of contact portions 11 a of the cable 11, and the plurality of elastic pieces 4 a are individually connected to the plurality of contact portions 11 a of the cable 11. Since the plurality of contact portions 11a are pressed by the plurality of elastic pieces 4a, respectively, the contact portions 11a of the cable 11 and the contact portions of the electrical component 10 are surely pressed. 10a can be brought into contact with each other, and high connection reliability can be obtained.

  As described above, the cable 11 having the plurality of contact portions 11 a is mounted and positioned on the cable mounting portion 3 of the socket 1 for the electrical component, and the plurality of contact portions 10 a of the electrical component 10 are positioned on the cable 11. By mounting and positioning the electrical component 10 on the electrical component mounting portion 2 so as to face a plurality of contact portions 11a, the surface of the cable 11 opposite to the surface on which the contact portion 11a is formed is Since the contact portion 11a of the cable 11 and the contact portion 10a of the electrical component 10 are elastically contacted and connected by the elastic force of the pressing portion disposed below, the electrical component mounting The contact portion 11a of the cable 11 and the electrical component 1 have a simple structure in which the cable 11 and the electrical component 10 are simply mounted on the portion 2 and the cable mounting portion 3. It has become one that can be connected securely overlaid is pressed against the contact portion 10a of the.

FIG. 7 shows another embodiment of the electrical component socket 1 of the present invention.
The difference between this embodiment and the electrical component socket 1 shown in FIGS. 1 and 2 is that the configuration of the electrical component positioning portion formed on the side plate 2c of the electrical component mounting portion 2 is partially different. That is, in this embodiment, the electrical component positioning portion is formed by a protrusion 2e made of a horizontally elongated cut and raised piece provided at the center of the upper end side of the side plate 2c.

In this case, the electrical component 10 does not need to be provided with the protrusion 10b on the upper surface side of the outer surface, and the upper edge portion of the outer surface of the electrical component 10 is provided at the upper end side center of the side plate 2c. Then, it is engaged with the horizontally long projection 2e to perform the positioning in the upward direction and is positioned on the electric component mounting portion 2.
In the present embodiment, the protrusion 2e is formed only on one of the opposing side plates 2c and 2c. However, it may be provided on all (four) the opposing side plates 2c.

FIG. 8 shows still another embodiment of the electrical component socket 1 of the present invention.
The difference between the present embodiment and the electrical component socket 1 shown in FIGS. 1 and 2 is that a grounding portion 2f made of a pair of projecting pieces extending outward is formed on one of the opposing side plates 2c and 2c. It is a point provided. That is, in the present embodiment, a solderable grounding piece 2f that protrudes outward by forming a cut and bent portion on one side of the opposing side plate 2c on the side of the electrical component mounting portion 2 is provided. Is formed.

  Then, as shown in FIG. 9, the electrical component socket 1 on which the ground piece 2f is formed can be grounded by being soldered to a ground pattern 12a of a circuit board 12 of an electronic device or the like. In this way, by forming the grounding portion 2f extending outward on the side of the electrical component mounting portion 2, external noise (electrostatic noise, radiation noise, etc.) that adversely affects the electrical component 10 is electrically generated. Since it can be grounded to the ground pattern 12a of the circuit board 12 through the component mounting portion 2, it is possible to prevent the external component from adversely affecting the IC of the electrical component 10 and the like.

  In the present embodiment, the grounding portion 2f is formed by a solderable projecting piece. However, a round hole is provided in the projecting piece and is screwed to the ground pattern 12a of the circuit board 12 to be grounded. May be. Further, instead of providing a protruding piece on the side of the electric component mounting portion 2, a protruding portion (not shown) is formed on the bottom surface side, and this protruding portion is connected to the ground pattern of the circuit board 12 to be grounded. good. Of course, in this case, the same effect as described above can be obtained.

FIG. 10 shows still another embodiment of the electrical component socket 1 of the present invention.
The difference between this embodiment and the electrical component socket shown in FIGS. 1 and 2 is that the configuration of the pressing portion 4 provided integrally with the bottom plate portion 2b is partially different. That is, in the present embodiment, the pressing portion 4 is formed so as to extend from one opposite end portions of the bottom plate portion 2b toward the center of the bottom plate portion 2b, and the free end sides of the elastic pieces 4a face each other. Yes.

  Another difference is that the configuration of the insertion port 3a provided below the pair of side plates 2c and 2c is partially different. That is, in the present embodiment, the insertion port 3a is formed below the side plate 2c with the lower end side slightly spaced from the bottom plate portion 2b, and a projection protruding upward from the side plate 2c on the lower end side of the insertion port 3a. 3b is formed. Still another difference is that, similarly to the embodiment of FIG. 8, a grounding portion 2f composed of a pair of protruding pieces extending outward is provided on one side plate 2c, 2c facing each other.

  In this way, by extending the pressing portion 4 from the both end portions of the bottom plate portion 2b toward the center of the bottom plate portion 2b, the load concentrated on the center of the bottom plate portion 2b is applied to both the end portions and the bottom plate portion of the bottom plate portion 2b. 2b can be dispersed to the side plates 2c connected to both end portions of the 2b, and when the electric component 10 is mounted, deformation at the center of the bottom plate portion 2b can be reduced. Further, since the pressing portion 4 is provided so as to extend from both ends of the bottom plate portion 2b, when the cable 11 is inserted from the insertion port 3a, the cable 11 is located below the free end of the elastic piece 4a of the pressing portion 4. It has become something that cannot be submerged.

  Further, the lower end side of the insertion port 3a is formed with a gap from the bottom plate portion 2b, and the projection 11b is formed from the lower end side of the insertion port 3a, so that when the cable 11 is inserted into the insertion port 3a, the cable 11 It is less likely to come into contact with the pressing portion 4 and can be easily inserted.

  According to the above-described embodiment of the present invention, the electrical component mounting portion 2 to which the electrical component 10 is mounted, and a horizontally long shape that is provided in the electrical component mounting portion 2 and positions the mounted electrical component 10. A cable positioning unit comprising an electrical component positioning unit composed of the hole 2d, the cable mounting unit 3 to which the cable 11 is mounted, and the projection 3b provided in the cable mounting unit 3 for positioning the mounted cable 11. And the pressing part 4 made of the elastic piece 4a for contacting the contact part 10a of the electrical component 10 and the contact part 11a of the cable 11, the electrical component mounting part 2 and the cable mounting part 3 and the pressing portion 4 are integrally formed of the same metal material, the mounting portion 2 of the electrical component 10, the mounting portion 3 of the cable 11, and the respective contact Part 10a, since the pressing portion 4 contacting 11a with each other so as to form in one piece, the number of components can be reduced, the structure is simplified, which is assumed to assembling steps can be reduced.

It is a perspective view which shows the socket for electrical components of this invention. It is a bottom view which shows the socket for electrical components of this invention. It is a perspective view which shows the connection structure of the electrical component and cable using the socket for electrical components of this invention. It is the perspective view which looked at the connection structure of the electrical component and cable using the socket for electrical components of this invention from the bottom face side. It is a disassembled perspective view which shows the connection structure of the electrical component and cable using the socket for electrical components of this invention. It is the disassembled perspective view which looked at the connection structure of the electrical component and cable using the socket for electrical components of this invention from the bottom face side. It is a perspective view which shows the other Example of the socket for electrical components of this invention. It is a perspective view which shows the further another Example of the socket for electrical components of this invention. It is explanatory drawing which shows the state which mounted the socket for electrical components shown in FIG. 8 of this invention on the circuit board. It is a perspective view which shows the further another Example of the socket for electrical components of this invention. It is a top view which shows the conventional connector for a connection. It is a disassembled perspective view which shows the conventional connector for a connection.

Explanation of symbols

1: Socket for electrical component 2: Electrical component mounting portion 2a: Mounting port 2b: Bottom plate portion 2c: Side plate 2d: Hole (electrical component positioning portion)
2e: Protrusion (electrical component positioning part)
2f: Grounding piece 3: Cable mounting part 3a: Insertion port 3b: Projection (cable positioning part)
4: Press part 4a: Elastic piece 10: Electrical component 10a: Contact part 10b: Projection part 10c: Lens body 11: Cable 11a: Contact part 11b: Locking hole 12: Circuit board 12a: Earth pattern

Claims (6)

An electrical component mounting portion on which an electrical component is mounted, an electrical component positioning portion that is provided on the electrical component mounting portion and positions the mounted electrical component, a cable mounting portion on which a cable is mounted, and a cable mounting portion A cable positioning portion provided for positioning the attached cable; and a pressing portion made of an elastic piece for contacting the contact portion of the attached electric component and the contact portion of the cable; and An electrical component socket in which the cable mounting portion and the pressing portion are integrally formed of the same metal material ,
The electrical component mounting portion has a mounting opening that is open on the upper side, the pressing portion is disposed below the mounting port, and the electrical component mounting portion is located between the mounting port and the pressing portion. An insertion port of the cable mounting portion is formed on the side, and a cable is inserted through the insertion port of the cable mounting portion, while the electrical component is directed to the pressing portion through the mounting port of the electrical component mounting portion. A socket for an electrical component, wherein the cable is pressed toward the electrical component side by the elastic force of the pressing portion when the electrical component is mounted .   The plurality of pressing portions are formed corresponding to the plurality of contact portions of the cable, and the plurality of contact portions of the cable are pressed by the plurality of pressing portions. Socket for electrical parts.   The electrical component positioning portion is formed by a hole or a protrusion provided on a side upper end side of the electrical component mounting portion, and an electrical component is engaged by engaging a locking portion provided in the electrical component in the hole or the protrusion. The electrical component socket according to claim 1, wherein positioning in the upward direction is performed.   The cable positioning portion is formed by a protrusion provided on the upper end side or the lower end side of the insertion port of the cable mounting portion, and the cable is positioned in the front-rear direction by engaging a locking hole provided in the cable with the protrusion. The socket for an electrical component according to claim 1 or 2, wherein   The electrical component socket according to claim 1, wherein a grounding portion extending outward is formed on a side of the electrical component mounting portion. A cable having a plurality of contact portions is mounted and positioned on the cable mounting portion of the electrical component socket according to any one of claims 1 to 5 , and the plurality of contact portions of the electrical component are positioned at the plurality of contact points of the cable. By mounting and positioning the electrical component on the electrical component mounting portion so as to face the portion, the surface opposite to the surface on which the contact portion of the cable is formed is the surface of the pressing portion disposed below. An electrical component and cable connection structure characterized in that the contact portion of the cable and the contact portion of the electrical component are pressed by an elastic force and elastically contacted.

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