KR101034803B1 - Socket for attaching electronic component - Google Patents

Abstract

The present invention provides a socket for mounting an electronic component that can be miniaturized by obtaining a stable contact state without being influenced by external tolerances of the electronic component.

A plurality of contacts 15, 15 each having a socket housing 14 into which the electronic component 12 is inserted into the electronic component accommodating portion 13 and an elastic contact piece 52 protruding into the electronic component accommodating portion 13; And an electronic component fixing mechanism 16 having an elastic fixing piece 30 which projects from each of the peripheral walls 18, 19, 20, and 21 into the electronic component receiving portion 13 and is coupled to the outer surface of the electronic component 12. The electronic component 12 is inserted and the elastic fixing piece 30 is coupled to the outer surface of the electronic component so that the electronic component 12 is supported in the electronic component accommodating portion 13 so that the terminal portion of the electronic component 12 is electrically connected to the elastic contact piece 52 of the contact. A socket 10 for attaching an electronic component, comprising: a pressing mechanism 31 having a spring piece 33 which projects from a circumferential wall into an electronic component accommodating portion 13 and presses the electronic component 12 in a direction substantially orthogonal to the circumferential wall.

Description

Socket for attaching electronic parts {SOCKET FOR ATTACHING ELECTRONIC COMPONENT}             

1 is a cross-sectional view showing a state in which a socket for attaching an electronic component according to the present invention is attached to a printed wiring board.

In Fig. 2, (a) is a plan view showing the socket for attaching the electronic component of Fig. 1, (b) is the same side view, and (c) is the same bottom view.

In FIG. 3, (a) is a front view which shows the electronic component fixing mechanism of FIG. 1, (b) is a top view, and (c) is a side view.

4 is a side view showing the pressing mechanism of FIG.

FIG. 5 is a sectional view showing an attachment state of the pressurization mechanism of FIG.

In FIG. 6, (a) is a front view showing the contact of FIG. 1, (b) is a top view, and (c) is a side view.

FIG. 7 is a plan view illustrating the printed wiring board of the in-phase of FIG. 1. FIG.

In Fig. 8, (a) is a plan view showing a conventional socket for attaching an electronic component, and (b) is a sectional view of the same.

Explanation of symbols on the main parts of the drawings                 

10: socket for attaching electronic parts

11: printed wiring board

12: Electronic component

13: electronic component accommodating part

14 socket housing 15 contact

16 electronic device fixing mechanism 17 bottom plate

18, 19, 20, 21: circumferential wall 22: through hole

23: shield plate 24: contact insertion groove

25: contact mounting groove 26: cut

27: mechanism attachment part 28: fixing part

29: fixing protrusion 30: elastic fixing piece

31: pressurization mechanism (加壓 器具) 32: fixed part

33: spring piece 34: clamping part for fixing

49: attaching part 50: terminal part

51: middle spring part

52: elastic contact piece

52a: contact portion

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention mainly relates to an electronic component attachment socket for attaching electronic components such as sensor modules and semiconductor elements in an electrically connected state to a printed wiring board. socket).

BACKGROUND ART Conventionally, electronic devices such as mobile telephones have printed wiring boards therein, and electronic components such as sensor modules and other semiconductor elements are attached to the printed wiring boards. Since an electronic component that is weak to i) cannot be attached by soldering directly, it is connected to a printed wiring board using a socket for attaching the electronic component as shown in FIG.

The socket for attaching an electronic component 1 includes a socket housing 3 having an electronic component accommodating portion 2 surrounded by a circumferential wall erected from four sides of a rectangular bottom plate, and an electron such as a sensor module or a semiconductor element protruding from the bottom plate. A plurality of contacts having an elastic contact piece 5 in elastic contact with the terminal portion of the component 4 are provided, and the electronic component 4 such as a sensor module or a semiconductor element is provided. By supporting the electronic component accommodating portion 2, the terminal portion of the electronic component 4 is brought into contact with the elastic contact piece 5 of the contact and the contacts 5, 5. Electrically connected to the printed wiring board through the.

In addition, the socket for attaching the electronic component 1 has an elastic fixing piece 6 which protrudes into the electronic component accommodating portion 2 and the fixing protrusion 6a of the tip is coupled to the upper edge of the electronic component 4. An electronic component fixing mechanism is provided on the circumferential wall of the socket housing 3, and the electronic component fixing mechanism supports the electronic component 4 in the electronic component accommodating portion 2.

However, in the conventional art as described above, if the electronic component fixing mechanism is small when the external tolerance of the electronic component is large and there is a gap between the electronic component and the inner surface of the electronic component accommodating portion, the electronic component is small. There is a problem that the position of the electronic component in the housing portion is displaced and the contact between the electronic component and the contact becomes poor. On the contrary, in order to reliably fix the electronic component in the electronic component housing portion, the electronic component fixing mechanism must be enlarged. Therefore, there is a problem that miniaturization of the entire socket becomes difficult.

Accordingly, the present invention has been made in consideration of the above-described problems of the prior art, and an object of the present invention is to provide a socket for attaching an electronic component, which can be miniaturized by obtaining a stable contact state without being influenced by external tolerances of the electronic component.

The feature of the invention as set forth in claim 1 for solving the above-described conventional problems and achieving the desired object is an electronic component accommodating portion surrounded by a circumferential wall erected from a side of the circumference of the bottom plate. And a plurality of contacts each having a socket housing into which the electronic component is inserted into the electronic component accommodating portion, and an elastic contact piece projecting into the electronic component accommodating portion of the housing. And an electronic component fixing mechanism having an elastic fixing piece which protrudes from the peripheral wall into the electronic component receiving portion and is coupled to an outer surface of the electronic component.

The electronic component is supported in the electronic component accommodating portion by inserting the electronic component into the electronic component accommodating portion, and engaging the elastic fixing piece to the outer surface of the electronic component, and the terminal portion of the electronic component is connected to the contact portion of the contact. In a socket for attaching an electronic component, which is electrically connected to an elastic contact piece,

And a pressing mechanism having a spring piece that protrudes from the circumferential wall into the electronic component accommodating portion and presses the electronic component in a direction orthogonal to the circumferential wall. It is done.

In addition to the structure of Claim 1, invention of Claim 2 is arrange | positioned at the position which opposes the mechanism for fixing an electronic component, It is characterized by the above-mentioned.

The invention described in claim 3 is composed of a plurality of contacts in addition to the configuration of claim 1 or claim 2, wherein the elastic contact pieces of the respective contacts are substantially orthogonal to this from one side of the circumferential side of the bottom plate. Arrangement of the electronic component fixing mechanism on one side of the plurality of contact groups arranged in parallel with each other in the direction, and the pressing mechanism on the other side of the contact group. It features.

In addition to the structure of Claim 1, 2 or 3, the invention of Claim 4 has a pressurization mechanism obliquely upward from the lower end part of the fixing part fixed to the inner surface of the circumferential wall, and the fixing part. And a spring piece bent toward the end.

(Example)

EMBODIMENT OF THE INVENTION Next, the socket for electronic component attachment which concerns on this invention is demonstrated based on FIGS.

1 is a view showing a state in which a socket for attaching an electronic component is attached to a printed wiring board, wherein 10 is a socket for attaching an electronic component, 11 is a printed wiring board, and 12 is a printed wiring board. It is an electronic component, such as a sensor module and a semiconductor element.

The socket 10 for attaching an electronic component includes a socket housing 14 having an electronic component accommodating portion 13 in which the electronic component 12 is accommodated, and a terminal portion of the electronic component 12 supported by the socket housing 14. A plurality of contacts 15, 15 having an elastic contact piece in contact with the. And the electronic component 12 is held in the electronic component accommodating portion 13 by fixing the electronic component 12 in the electronic component accommodating portion 13 by an electronic component fixing mechanism 16, and the terminal portion of the electronic component 12 is supported. Part is in contact with the elastic contact piece so that the electronic component 12 is attached while being electrically connected to the printed wiring board 11 through the socket for attaching the electronic component.

The socket housing 14 includes a flat bottom plate 17 and peripheral walls 18, 19, 20, and 21 formed from four sides of the bottom plate, and the bottom plate 17 and each peripheral wall 18, 19, 20, 21 are provided. The electronic component accommodating part 13 is enclosed.

The bottom plate 17 includes a plurality of slit-shaped through holes 22, 22, which face from opposite sides of the four sides to opposite opposite sides. Are formed side by side in parallel.

Each of the peripheral walls 18, 19, 20, and 21 is formed in a flat plate shape formed from four sides of the bottom plate 17, and a shield plate made of a conductive material on the outer surface thereof. 23, 23... This is inserted and the outer surface is covered.

In addition, the circumferential walls 18, 19, 20, and 21 have through holes 22, 22 of the bottom plate 17, respectively. Depending on the position of the contact insertion grooves 24, 24... Is formed, and contact attaching grooves 25 and 25 are formed at both edges of the contact inserting grooves 24 to press-fit the attaching portion of the contact 15.

In addition, at one end of each side wall 18, 19, 20, 21, an electronic component fixing mechanism 16 for fixing the electronic component 12 inserted into the electronic component accommodating portion 13 The inserted cut portion 26 is formed, and the cut portion 26 cuts the peripheral wall by the width of the electronic component fixing mechanism 16.

In addition, a mechanism attaching portion 27 to which the electronic component fixing mechanism 16 is attached is formed at the lower end outer side of the cutting portion 26.

As shown in Fig. 3, the electronic component fixing mechanism 16 includes a fixing portion 28 fixed to the mechanism attachment portion 27 of the peripheral walls 18, 19, 20, and 21 of the socket housing, and the electronic component at the tip. An elastic fixing piece 30 having a fixing protrusion 29 coupled to the upper edge of 12 is provided, and a stainless steel plate is punched according to the shape and bent. It is formed in one piece by 工 加工.

The fixed portion 28 is formed in an inverted U-shape by bending an end portion 28a on the side opposite to the elastic fixing piece 30, and is formed by sandwiching the mechanism attachment portion 27 between the U-shaped portions. The component fastening mechanism 16 is adapted to be attached to the mechanism attachment portion 27, that is, the peripheral walls 18, 19, 20, 21 of the socket housing 14.

The elastic fixing piece 30 is bent from the other end of the fixing part 28 so as to elastically deform the boundary portion with the fixing part 28 as a base end, and at the tip end thereof, an electron is formed. Fixing protrusions 29 and 29 to which the upper edge of the component 12 are engaged are integrally formed.

The fixing protrusion 29 is formed in a right triangle shape with the bottom side downward, and is bent at right angles from both edges of the front end portion of the elastic fixing piece 30 to protrude toward the electronic component accommodating portion 13 side and the top of the electronic component 12 by the bottom edge thereof. It is adapted to join the edges.

The electronic component fixing mechanism 16 is inserted while the electronic component 12 is inserted into the electronic component accommodating portion 13 while the electronic component 12 presses the four sides of the fixing protrusion 29 to bend the elastic fixing piece 30 to the outside. After insertion, the elastic fixing piece 30 is restored to its original position by elasticity so that the fixing protrusion 29 is coupled to the upper edge portion of the electronic component 12.

In addition, a pressure mechanism 31 is attached to the peripheral wall that faces the electronic component fixing mechanism 16 at a position substantially opposite to the electronic component fixing mechanism 16.

In other words, the contact insertion grooves 24, 24... The electronic component fixing mechanism 16 and the pressing mechanism 31 are disposed at both ends, respectively, and the electronic component fixing mechanism 16 and the pressing mechanism 31 are disposed to face each other in the circumferential wall facing each other.

As shown in Fig. 4, the pressurizing mechanism 31 includes a fixed part 32 fixed to the circumferential wall and a spring piece 33 bent from one end of the fixed part 32. It is formed integrally by punching according to the shape and bending it.

The fixing portion 32 is formed in an inverted U-shape by bending an end portion 32a on the opposite side to the spring piece 33, and as shown in Fig. 5, a clamping portion for fixing formed on the circumferential wall between the U-shapes. It is secured to the circumferential walls 18, 19, 20, and 21 by sandwiching the use section 35.

The spring piece 33 is bent obliquely upward from the lower end of the fixing part 32 fixed along the inner surface of the circumferential wall, and the tip end portion 33a is bent in a substantially > shape.

The biasing mechanism 31 is a position in which the spring piece 33 receives the reaction force by the circumferential wall and presses the electronic component 12 toward the fixing mechanism side and the lower side, thereby accurately positioning the electronic component 12 in the electronic component accommodating portion 13. To be supported.

As shown in Fig. 6, the contact 15 includes a mounting portion 49 fixed to the circumferential wall and a terminal portion bent from one end of the attachment portion 49. 50 and an intermediate spring portion 51 which bends from an end opposite to the terminal portion 50 of the attachment portion 49 and forms an inverted U with the attachment portion 49, and from an end opposite to the attachment portion of the intermediate spring portion 51. It is formed by integrally providing an elastic contact piece 52 that bends in an oblique direction, by punching a copper alloy plate according to its shape and bending it.

The attachment portion 49 is formed to be wider than the width of the contact insertion groove 24, and the edge portion is inserted into and inserted into the contact attachment grooves 25 and 25 formed on the side of the contact insertion groove 24. The contact 15 is attached.

The intermediate spring part 51 is elastically deformed by making the boundary part with the attachment part 49 into a base end.                     

The elastic contact piece 52 is formed in the elongate board shape, the front-end | tip part is formed in circular arc shape, and the contact part 52a is provided in the top part of the circular arc part.

The contact portion 52a is pressed into the lower surface of the electronic component 12 when the electronic component 12 is accommodated in the electronic component accommodating portion 13 so as to elastically contact the terminal portion of the electronic component 12.

When the attachment portion 49 of the contact 15 is inserted into the contact insertion groove 24 and the contact 15 is attached to the socket housing 14, the elastic contact piece 52 receives the upper surface side of the bottom plate through the through hole 22, that is, the electronic component is accommodated. It is supposed to protrude into part 13. In addition, even when the elastic contact piece 52 is press-fitted downward when the electronic part 12 is accommodated in the electronic part accommodating part 13, it is evacuated to the through-hole 22 so that it may not contact the bottom plate 17. FIG.

And each contact 15, 15... Attached to the socket housing 14. Is a contact group 55, 55... Which is arranged in parallel with each other from one side of the bottom plate 17 toward the other side opposite to the bottom plate 17. To form.

The contact groups 55 and 55. On both sides of the electronic device fixing mechanism 16 is disposed on one side, and the pressure mechanism 31 is disposed on the other side.

The socket for attaching an electronic component having the above-described structure is provided with a pressurizing mechanism 31 at an electronic component fixing mechanism 16 and an opposing position thereof, and an electronic component fixing mechanism 16 is arranged at one side of each contact group 55. By placing the pressure mechanism 31 on the other side, equal pressure is applied to each outer peripheral surface of the electronic component 12 in the horizontal direction to fix the electronic component 12 to the central portion of the electronic component receiving portion 13, Since the spring piece 33 of the pressure mechanism 31 is inclined contact with the upper rim of the electronic component 12, an elastic force downward is applied to the spring piece 33, so that the spring piece 33 of the pressing mechanism 31 is brought into contact with the elastic contact piece 52 of the contact 15 so as to contact the elastic fixing piece 30. The fixing protrusion 29 is coupled to the upper edge of the electronic component 12 so as not to be pulled out.

On the other hand, in the printed wiring board 11 to which the socket for attaching the electronic component is attached, as shown in Fig. 7, the terminal patterns 11a, 11a,. Is printed. That is, the terminal patterns 11a and 11a. A group of patterns in parallel with each other are arranged so as to be biased along four sides of the rectangle.

Further, fixing patterns 11b and 11b in which shield plates 23 are fixed by soldering or the like are formed on both sides of the pattern group by printing.

In the above embodiment, an example in which the bottom plate of the connector housing is formed in a rectangular shape has been described, but the shape of the bottom plate may be a polygonal shape or the like.

In addition, even when the bottom plate is formed in a polygonal shape or when the opposing peripheral walls are not arranged in parallel with each other, such as a pentagonal shape or the like, the electronic components are fixed to one side of the contact group on the sides of each peripheral portion. By arranging the device for the device and arranging the pressure device on the other side, each side of the electronic part can be pressed by both the device for attaching the electronic part and the pressure device, so that the electronic part can be supported at a suitable position in the electronic part container.

The socket for electronic component attachment according to the present invention is secured by providing a pressurizing mechanism at a position facing the electronic component fixing mechanism so that the electronic component is sandwiched between the electronic component fixing mechanism and the pressing mechanism and supported at a suitable position. You can get the connection status.

In addition, by arranging an electronic component attachment mechanism on one side of the contact group and a pressure mechanism on the other side, the bottom plate has a hexagonal shape or the like, even if the opposing peripheral walls are not arranged in parallel. Since the side of the electronic component is pressed by both the electronic component attachment mechanism and the pressing mechanism, the electronic component can be supported at a suitable position in the electronic component accommodation portion.

In other words, the socket for attaching the electronic component according to the present invention can obtain a stable connection state by supporting the electronic component at a suitable position even in any polygonal shape.

In addition, by bending the spring piece of the pressing mechanism obliquely upward from the lower end portion, the electronic component can be pressed downwards and brought into contact with the contact, that is, the elastic contact piece by a suitable contact pressure, thereby obtaining a stable contact state.

Claims (4)

A socket housing having an electronic component accommodating portion enclosed by a circumferential wall erected from a circumferential edge of the bottom plate, into which the electronic component is inserted into the electronic component accommodating portion, A plurality of contacts each having an elastic contact piece protruding into the electronic component receiving portion, and elastic fixing protruding from the circumferential wall into the electronic component receiving portion and coupled to an outer surface of the electronic component; An electronic component fixing device having a piece is provided. The electronic component is supported in the electronic component accommodating portion by inserting the electronic component into the electronic component accommodating portion, and engaging the elastic fixing piece to the outer surface of the electronic component, and the terminal portion of the electronic component is connected to the contact portion of the contact. In a socket for attaching an electronic component, which is electrically connected to an elastic contact piece, And a pressing mechanism having a spring piece that protrudes from the peripheral wall into the electronic component housing portion and presses the electronic component in a direction orthogonal to the peripheral wall . Socket for attaching electronic parts. The method according to claim 1, The pressurizing mechanism is disposed at a position facing the mechanism for fixing the electronic component. The method according to claim 1 or 2, One of a plurality of contact groups, which are composed of a plurality of contacts, and the elastic contact pieces of the respective contacts are arranged in parallel with each other in a direction orthogonal thereto from one side of the peripheral side of the bottom plate. A socket for mounting an electronic component, wherein the mechanism for fixing the electronic component is arranged on the side of the base, and the pressing mechanism is arranged on the other side. The method according to claim 1 or 2 , The pressurizing mechanism includes a fixing part fixed to an inner surface of the circumferential wall, and a spring piece bent upwardly obliquely upward from the lower end of the fixing part. Attachment socket.

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