JP4228120B2 - Socket for mounting electronic parts - Google Patents

Description

  The present invention mainly relates to an electronic component mounting socket for mounting an electronic component such as a camera module to a printed wiring board.

  Conventionally, an electronic device such as a cellular phone has a printed wiring board inside, and an electronic component such as a camera module is attached to the printed wiring board. Since it cannot be attached, the electronic component attaching socket as shown in FIG. 17 is used to connect to the printed wiring board (for example, see Patent Document 1).

The electronic component mounting socket 1 includes a socket housing 3 having an electronic component housing portion 2 surrounded by a peripheral wall raised from four sides of a rectangular bottom plate, and an electronic component 4 such as a camera module or a semiconductor element protruding from the bottom plate. Are provided with a plurality of contacts 5, 5... Each having an elastic contact piece 5a that elastically contacts the terminal piece, and a shield member 7 that covers the outer peripheral surface of the socket housing 3. By holding in the component housing portion 2, the terminal piece portion of the electronic component 4 comes into contact with the elastic contact piece portion 5 a of the contact 5 and is electrically connected to the printed wiring board 6 via the contacts 5, 5. It has become.
JP2003092168

  However, in the conventional technology as described above, since the peripheral wall of the socket housing is formed by molding, it has a certain thickness, and the outer side thereof is surrounded by a shield member. There was a problem that was difficult.

  In view of the above-described problems of the prior art, an object of the present invention is to provide an electronic component mounting socket that can be miniaturized.

In order to solve the above-described conventional problems and achieve the intended object, the invention according to claim 1 is formed of a bottom plate portion and a peripheral wall portion arranged so as to stand up from the peripheral edge of the bottom plate portion. A socket housing having an electronic component housing portion in which a part or all of the housing is housed, a shield lid made of a conductive material covered outside the opening of the socket housing, and protruding into the electronic component housing portion, An electronic component mounting socket comprising a plurality of contacts that elastically contact a terminal portion of the electronic component and connecting the electronic component to a printed wiring board through the contact; and a bottom plate portion of the socket housing is made of an insulating material. becomes configured with a contact holding plate, it is held to the contact in the contact holding plate, on the contact holding plate a resilient contact piece of the contact On the side, the terminal piece portion is exposed in the lower surface, the peripheral wall portion, the electronic component accommodating part has a shield wall body only composed consisting installed conductive plate material disposed surrounding the, the shield wall member Is fixed to the contact holding plate by press-fitting the peripheral wall fixing protrusion projecting on the lower edge thereof into the peripheral wall fixing hole opened on the surface of the contact holding plate. And

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the shield peripheral wall body is integrally provided with a side plate that is turned back from the opening side edge of the electronic component housing portion.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the shape of the contact holding plate is substantially rectangular in plan, and the shield peripheral wall body is formed in a rectangular cylindrical shape so that the socket housing is rectangular. The shield peripheral wall body is formed into a square cylindrical shape by facing a pair of U-shaped half bodies integrally provided with a pair of parallel side portions at both ends of the base side portion , and the shield peripheral wall A peripheral wall body fixing hole in which a projecting piece for fixing a peripheral wall body is integrally projected on the lower edges of both parallel sides of each half constituting the body, and the projecting piece is opened on the upper surface of the peripheral edge portion of the contact holding plate The shield wall body and the contact holding plate are fixed by press-fitting into each other, and a comb blade is integrally formed at the lower end of each base portion of both halves, and the tip of the comb blade is placed under the contact holding plate Patter for shield connection of printed wiring board Characterized in that it is connected to.

An electronic component mounting socket according to the present invention is formed by a bottom plate portion and a peripheral wall portion arranged so as to rise from the periphery of the bottom plate portion, and includes a socket housing having an electronic component storage portion in which a part or all of the electronic component is stored. And a shield lid made of a conductive material applied outside the opening of the socket housing, and a plurality of contacts protruding into the electronic component housing portion and elastically contacting the terminal portion of the electronic component. In the electronic component mounting socket for connecting the electronic component to the printed wiring board via the contact, the bottom plate portion of the socket housing is configured with a contact holding plate made of an insulating material, and the contact holding plate holds the contact And exposing the elastic contact piece of the contact to the upper surface side of the contact holding board and the terminal piece portion to the lower surface side, Walls, the electronic component accommodating part has a shield wall body only composed consisting installed conductive plate material disposed surrounding the, the shield wall body, the peripheral wall member fixing protrusion protruding from the lower edge thereof Is fixed to the contact holding plate by press-fitting into a hole for fixing the peripheral wall body opened on the surface of the contact holding plate, thereby eliminating the peripheral wall of the socket housing that has been conventionally formed by molding. Therefore, it becomes a thin peripheral wall and can be miniaturized.

  By fitting the shield cover body in a state where it is prevented from coming off at the upper part of the shield peripheral wall body, by pressing the electronic component inserted into the electronic component housing portion toward the contact side, it is prevented from coming off. It is not necessary to provide a fixing bracket for mounting the electronic component on the socket housing, so that the space can be omitted and the size can be reduced.

  The shield peripheral wall body can be provided with a sufficient strength by reinforcing the peripheral wall by integrally including a side plate that is folded back from the opening side edge of the electronic component housing portion.

  The shape of the contact holding plate is substantially rectangular in plane, the shield peripheral wall body is formed into a rectangular tube shape, the socket housing is formed into a square shape, and the shield peripheral wall body is formed into a U-shaped half body with each other. By forming a rectangular cylinder facing each other, it is easier to form a U-shaped half body than to form a rectangular cylinder with a single plate, and to manufacture it at a low cost. Can do.

  A projecting piece for fixing the peripheral wall body is integrally projected on the lower edge of the parallel side part of the U-shaped half that forms the shield peripheral wall body, and the projecting piece is opened on the upper surface of the peripheral edge portion of the contact holding plate. By fixing the shield wall body and the contact holding board by press-fitting into the peripheral wall body fixing hole, the shield peripheral wall body can be suitably fixed to the contact holding board.

  Next, the electronic component mounting socket according to the present invention will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the part same as the above-mentioned prior art example, and description is abbreviate | omitted.

FIG. 1 shows a use state when a camera module, which is an electronic component, is attached to a printed wiring board via an electronic component attaching socket, where reference numeral 10 denotes an electronic component attaching socket, and reference numeral 4 denotes an electronic component camera. Module 6 is a printed wiring board.

  The electronic component mounting socket 10 includes a socket housing 12 having an electronic component housing portion 11 in which the electronic component 4 is housed, and a plurality of members that protrude into the electronic component housing portion 11 and elastically contact the terminal portion of the electronic component 4. .. Are provided so that the electronic component 4 accommodated in the electronic component accommodating portion 11 can be electrically connected to the printed wiring board 6 via the contacts 13, 13.

  In addition, the electronic component mounting socket 10 includes a shield lid 14 that covers the outside of the opening of the socket housing.

  As shown in FIGS. 3 to 6, the socket housing 12 is formed by a bottom plate portion and a peripheral wall portion arranged so as to be raised from the periphery of the bottom plate portion, and the bottom plate portion is an insulating material that holds the contacts 13, 13. And a shield peripheral wall body 16 made of a conductive plate material provided with a peripheral wall portion arranged so as to surround the electronic component housing portion 11.

  As shown in FIGS. 7 to 9, the contact holding plate 15 is formed into a rectangular shape, that is, a flat rectangular parallelepiped shape with an insulating material such as synthetic resin, and contacts 13 are inserted in both sides from the horizontal direction. The insertion holes 17, 17... Are provided at predetermined intervals.

In the contact insertion hole 17, contact mounting grooves 18 and 18 are formed on both inner sides at the lower end, and the inserted contact 13 is fitted into the contact mounting grooves 18 and 18, whereby the contact 13 is brought into contact holding plate 15. It is fixed to and held by.

  The contact insertion hole 17 communicates with an elastic contact piece protruding recess 19 that opens to the upper surface side of the contact holding plate 15, and the elastic contact piece protrudes from the elastic contact piece protruding recess 19 to an electronic component. It protrudes into the accommodating part 11.

Further, terminal exposure recesses 20 and 20 are formed on the lower surface of the contact holding plate 15, and the terminal pieces of the contacts 13, 13... Held by the contact holding plate 15 are exposed from the terminal exposure recess 20. In this way, it is connected to the printed wiring board 6.

  The contact holding plate 15 is formed with the peripheral wall holding recesses 21 and 21 at the outer edge on the side where the contact insertion hole 17 is opened, and the peripheral wall body is fixed at a predetermined interval on the side portion. Holes 22, 22 ... are formed.

  The shield peripheral wall body 16 is formed in a square cylindrical shape by facing the U-shaped halves 30 and 30 to each other.

As shown in FIG. 10, the half body 30 is formed into a U-shape by punching a conductive plate material, such as a plate material obtained by tinning a copper alloy, as shown in a development view shown in FIG. Is formed.

  The half body 30 includes a basal part 34 constituting a U-shape and upper edges of the parallel side parts 38 and 38, that is, an opening edge of the electronic component housing part 11 via folds 33 and 39, respectively. The inner plate 32 and the outer plates 40, 40 are integrally formed respectively.

The base portion 34 is formed with a locking notch 36 at the edge, and an inner plate 32 is integrally formed at the edge opposite to the locking notch 36 via a fold 33. .

  The inner plate 32 has a lower end formed in a comb-blade shape and is folded inward from the fold line 33.

  Each of the comb blades 35, 35... Is connected to the shield connection pattern formed on the printed wiring board 6 by soldering at the end thereof, that is, the lower edge of the inner plate 32.

Both parallel side portions 38, 38 are bent from both side edges of the base side portion 34 through a crease 37, and an outer side plate 40 continuous through a crease 39 is integrally formed at the upper edge thereof.

  The outer plate 40 is folded outward from the crease 39.

At the lower edge of both parallel side portions 38, 38, that is, the edge opposite to the crease 39, there are protrusions 41, 41 for fixing the peripheral wall body that are press-fitted into the peripheral wall body fixing hole 22 of the contact holding plate 15. It is integrally formed.

  The peripheral wall fixing protrusion 41 penetrates the contact holding plate 15, its end protrudes from the lower surface of the contact holding plate 15, and the protruding portion is fixed to the shield connection pattern of the printed wiring board 6 by soldering. It has come to be.

The half body 30 of the shield peripheral wall body 16 is configured so that the peripheral wall body fixing protrusions 41, 41 are connected to the peripheral wall body fixing holes 22 of the contact holding board 15, while the base part 34 is along the peripheral wall body holding recess 21. ... Are fixed to the contact holding plate 15 by being press-fitted into 22.

  As described above, the half walls 30 and 30 of the shield peripheral wall body 16 are fixed to the contact holding plate 15 so as to face each other, whereby the peripheral wall portion of the socket housing 12 is configured.

  Further, a gap 42 is formed between the parallel side portions 38 of the both halves 30, 30, and the positioning projection 4 a of the electronic component 4 is fitted into the gap 42.

  As shown in FIGS. 12 to 15, the shield cover 14 includes a flat top plate 50, side plates 51, 51 and side plates 52, 52 bent from four sides of the top plate, and tin plating the body alloy A plate material having conductivity such as a plate material subjected to the above is punched into a predetermined shape and bent to form a box shape having an open bottom surface.

  The top plate 50 is formed in a flat plate shape having notches 53, 53... For bending at four corners, and an insertion hole 54 from which a part of the camera module 4 protrudes is formed at the center.

  Further, side plates 51 and 51 and side plates 52 and 52 are continuously formed on the four sides of the top plate through folds.

The side plate 51 is formed in a flat plate shape, and a plurality of locking protrusions 55 and 55 are formed at the lower portion thereof in accordance with the position of the locking notch 36 of the shield peripheral wall body 16.

  The side plate 52 is formed in a flat plate shape having a short vertical width with respect to the side plate 51, and bends both side portions thereof to abut against the side edge portion of the adjacent side plates 51, 51, so that the side plates 51, 52 are adjacent to each other. The gap is closed.

  As shown in FIG. 16, the contact 13 has a flat plate-like fixed piece 60, a terminal piece 61 that is continuous from one end of the fixed piece 60, and an elastic that is continuous from the other end of the fixed piece 60. The contact piece 62 is formed by punching a conductive metal material into a predetermined shape and bending it.

  The fixed piece portion 60 is formed wider than the contact insertion hole 17, and locking projections 63, 63 are integrally formed on both side edges thereof, and the side portions are fitted in the contact mounting grooves 18, 18. The latching protrusion 63 bites into the contact holding plate 15 so as to be fixed.

  The terminal piece portion 61 is formed by being bent in a step shape from one end of the fixed piece portion 60. When the contact 13 is attached to the contact holding plate 15, the terminal exposing portion 20 is connected to the bottom surface of the contact holding plate 15. It is supposed to be exposed.

  The elastic contact piece 62 is folded back in a U shape from the other end of the fixed piece 60, that is, the end opposite to the terminal piece 61, and its tip is bent obliquely.

  Furthermore, the front end portion is bent in a hem shape, and a contact portion 64 that contacts the terminal portion of the electronic component 4 is formed.

The electronic component mounting socket 10 configured as described above is such that when the electronic component (camera module) 4 is inserted into the electronic component housing portion 11 and the shield cover 14 is placed thereon, the top plate of the shield cover 14 is placed. 50 contacts the upper edge of the electronic component 4.

  .. Are pushed down to a position where the locking projections 55, 55... Are locked to the locking notches 36 of the shield peripheral wall body 16, and the shield cover 14 is fitted in a state of being prevented from being detached from the upper portion of the peripheral wall of the socket housing 12. Then, the electronic component 4 is pressed downward, that is, on the contact side by the top plate 50, and the terminal portion of the electronic component 4 and the elastic contact piece 62 of the contacts 13, 13 are brought into contact with each other with an appropriate contact pressure. The electronic component 4 is held in the electronic component housing 11.

  Accordingly, the electronic component 4 is attached to the electronic component mounting socket 10, the electronic component 4 is shielded, and the electronic component 4 is electrically connected to the printed wiring board 6 through the electronic component mounting socket 10.

  In the above-described embodiment, the case where a camera module is used as the electronic component 4 has been described. However, the electronic component includes a high-frequency electronic component such as a camera module or an IC unit, other semiconductor elements, and various other electronic components. Can be applied.

  In the above-described embodiment, the structure in which the electronic component is fixed to the socket by the shield cover has been described. However, a means for fixing the electronic component may be provided on the peripheral wall of the socket housing.

It is sectional drawing which shows the use condition of the socket for electronic component attachment which concerns on this invention. It is a disassembled perspective view which shows the socket for electronic component attachment same as the above. It is a top view which shows the socket housing in FIG. It is a front view same as the above. It is a side view same as the above. It is a bottom view same as the above. It is a top view which shows a contact holding board same as the above. It is a front view same as the above. It is a bottom view same as the above. (A) is a front view which shows a shield surrounding wall body same as the above, (b) is the side view, (c) is the top view. It is an expanded view of the shield surrounding wall body shown in FIG. It is a top view which shows the shield cover body in FIG. It is a front view same as the above. It is a bottom view same as the above. It is a side view same as the above. (A) is a top view which shows the contact in FIG. 1, (b) is the same front view, (c) is a side view, (d) is a bottom view. It is sectional drawing which shows the conventional socket for electronic component attachment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Electronic component mounting socket 11 Electronic component accommodating part 12 Socket housing 13 Contact 14 Shield cover body 15 Contact holding board 16 Shield peripheral wall body 17 Contact insertion hole 18 Contact mounting groove 19 Elastic contact piece protrusion recessed part 20 Terminal exposure Recess 21 for peripheral wall holding 22 for fixing peripheral wall 30 half body 32 inner plate 33 fold line 34 basal part 35 comb blade 36 locking notch 37 fold line 38 parallel side part 39 fold line 40 outer plate 41 fixing peripheral wall body Projection piece 42 Clearance 50 Top plate 51, 52 Side plate 53 Notch 54 Insertion hole 55 Locking projection 60 Fixed piece 61 Terminal piece 62 Elastic contact piece 63 Locking protrusion 64 Contact

Claims (3)

A socket housing having an electronic component housing portion that is formed by a bottom plate portion and a peripheral wall portion arranged so as to rise from the periphery of the bottom plate portion, and that accommodates part or all of the electronic components, and is provided outside the opening of the socket housing. A shield cover made of a conductive material to be covered; and a plurality of contacts that protrude into the electronic component housing portion and elastically contact the terminal portions of the electronic component, and the electronic component is printed through the contacts. In the electronic component mounting socket to be connected to the wiring board,
A bottom plate portion of the socket housing is configured with a contact holding plate made of an insulating material, the contact holding plate holds the contact, the elastic contact piece of the contact is on the upper surface side of the contact holding plate, and the terminal piece is the same. Exposed on the bottom side,
The peripheral wall portion is constituted only by a shield peripheral wall body made of a conductive plate material installed in an arrangement surrounding the periphery of the electronic component housing portion,
The shield peripheral wall body is fixed to the contact holding disk by press-fitting a peripheral wall body fixing protrusion projecting at a lower edge thereof into a peripheral wall body fixing hole opened on the surface of the contact holding disk. An electronic component mounting socket characterized by that .   2. The electronic component mounting socket according to claim 1, wherein the shield peripheral wall body is integrally provided with a side plate that is folded back from the opening edge of the electronic component housing portion. The contact holding plate has a substantially rectangular flat surface, and the shield peripheral wall body is formed in a rectangular tube shape to form a socket housing in a square shape, and the shield peripheral wall body has a pair of parallel on both ends of the base portion. A pair of half -shaped halves with integrated sides are opposed to each other to form a rectangular cylinder,
A peripheral wall body in which a projecting piece for fixing the peripheral wall body is integrally projected on the lower edges of both parallel sides of each of the halves constituting the shield peripheral wall body, and the projecting piece is opened on the upper surface of the peripheral edge portion of the contact holding plate Fixing the shield wall and contact holder by press-fitting into the fixing hole
2. A comb blade is integrally formed at a lower end portion of each base portion of the two halves, and a tip of the comb blade is connected to a shield connection pattern of the printed wiring board under the contact holding board. Or an electronic component mounting socket according to any one of 2;

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