JP3670245B2 - IC socket - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electrical connector, and in particular, an IC package is placed on an insulating housing with a low insertion force or zero insertion force, and an electric contact of the IC package is connected to the electrical side of the insulating housing by a lever operation pivotally supported by the insulating housing. The present invention relates to an IC socket that is electrically connected to a contact or is operated again after connection to release the connection.
[0002]
[Prior art]
Conventionally, when an electrical connector is mounted on a printed circuit board (hereinafter simply referred to as a board), in the mounting process, the electrical connector is sucked and lifted by a vacuum suction nozzle on the apparatus side, and the lifted electrical connector is moved to a predetermined position on the board. Is moved to a position and placed on the substrate. As an example of such an electrical connector, for example, a suction-compatible connector disclosed in Japanese Utility Model Laid-Open No. 5-31188 is known. In this prior art, a plug connector and a receptacle connector are disclosed, and a suction assisting tool (suction member) is provided in each connector, and the suction assisting tool is sucked by a vacuum suction nozzle. Each of these suction assisting tools has a flat suction surface facing upward, and is attached to the fitting port of the connector or formed so as to be separated into the fitting port integrally with the connector. These suction aids are usually removed with a finger after the connector is soldered to the substrate.
[0003]
[Problems to be solved by the invention]
As disclosed in the above prior art, the suction assisting tool is used only when attached to the substrate using the suction nozzle, and is removed with a finger after the electrical connector is attached to the substrate. However, since the suction surface of the suction fixture is formed so as to be easily sucked, there is a problem that it is difficult to remove by hand and the workability is poor.
[0004]
The present invention has been made in view of the above points, and an object of the present invention is to provide an IC socket in which an adsorption member can be easily removed after an insulating housing is attached to a substrate.
[0005]
[Means for Solving the Problems]
An IC socket of the present invention includes an insulating housing having an electrical contact and a lever rotatably attached to the insulating housing, and the electrical contact of the IC package placed on the insulating housing and the electrical contact on the insulating housing side In an IC socket that is electrically connected to or disconnected from the lever by a lever turning operation, an adsorption member for adsorbing to a vacuum type adsorption nozzle is detachably attached to the upper surface of the insulating housing. It has an extension part pushed up by rotation operation, and it is constituted so that an adsorption member may come off from an insulating housing by displacement of this extension part.
[0006]
【The invention's effect】
In the IC socket of the present invention, an adsorption member for adsorbing to a vacuum type adsorption nozzle is detachably attached to the upper surface of the insulating housing, and the adsorption member is rotated by a lever attached to the insulating housing. Since it has the extension part pushed up by dynamic operation and the adsorption | suction member remove | deviates from the insulation housing by the displacement of this extension part, there exists the following effect.
[0007]
In other words, after the connector is assembled to the board, the lever is turned to attach the IC package, so that the extension of the suction member is lifted by the lever and the suction member can be easily removed, so that the removal work can be omitted. Workability is improved.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of an IC socket of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a plan view of an IC socket of the present invention equipped with a suction member, FIG. 2 is a front view of the IC socket of FIG. 1, and FIG. 3 is a side view of the IC socket of FIG. Show. Hereinafter, a description will be given with reference to FIGS.
[0009]
The IC socket 1 includes a rectangular insulating housing 3 including an insulating main body 2 and an upper housing 6 that is placed on the upper surface 4 of the main body 2 and configured to slide on the upper surface 4. The IC socket 1 further has a lever 8 for sliding the upper housing 6. The upper housing 6 has a large number of circular through holes 10 (FIG. 1) arranged in a matrix, through which pin-shaped electrical contacts of an IC package (not shown) placed on the upper housing 6 are inserted.
[0010]
The upper housing 6 has side walls 12 and 12 extending along the outside of the main body 2. Each side wall 12 is formed with a plurality of rectangular elongated holes 14 extending along the sliding direction of the upper housing 6. The elongated holes 14 engage with corresponding protrusions 16 (FIG. 3) of the main body 2, The upper housing 6 is attached to the main body 2 so as to be slidable in the vertical direction in FIG.
[0011]
In the main body 2, a large number of electrical contacts 22 are arranged corresponding to the above-described through holes 10. Each electrical contact 22 has a solder ball 24 to be soldered to a substrate (not shown) at the lower end of each electrical contact 22. A plurality of block-shaped protrusions 26, 28, 30 (FIG. 1) are formed at the end of the upper surface 4 of the main body 2, and a lever holding groove 32 is formed by these protrusions 26, 28, 30. ing.
[0012]
On the other hand, as shown in FIG. 1, the lever 8 is composed of an L-shaped metal rod-like member, and the operation portion 8 a on one side is arranged on the side wall 12 side of the main body 2 and the other side is arranged. It arrange | positions in the lever holding groove 32, and the other side is made into the spindle 8b for rotating the lever 8. FIG. A cam shaft 8c in which the support shaft 8a is partially displaced is formed integrally with the support shaft 8b. The cam shaft 8c and the upper housing 6 are engaged with each other to rotate the lever 8. Thus, the upper housing 6 is configured to slide with respect to the main body 2. Since such a method is generally performed conventionally, detailed description is omitted here.
[0013]
A rectangular opening 34 (FIG. 1) is formed at the center of the upper housing 6, and a resin-made adsorption member 36 is attached to the rectangular opening 34. That is, the adsorption member 36 is attached to the upper surface 5 of the insulating housing 3. The suction member 36 will be described with reference to FIG. FIG. 4 is a side view of the suction member 36 used in the IC socket. The adsorbing member 36 has a substantially rectangular flat adsorbing surface 38 on the upper surface side, and four latch arms 40 (FIG. 4) projecting from the opening 34 of the main body 2 so as to be detachably mounted on the lower surface side. ing. The latch arm 40 protrudes at a position that engages with the inner edge of the opening 34.
[0014]
Further, the suction member 36 integrally has a tongue piece (extension portion) 42 that extends laterally continuously from the suction surface 38. The tongue piece 42 extends to above the operation portion 8a of the lever 8, and when the lever 8 is rotated upward, that is, in the direction of arrow A in FIG. Therefore, the operation portion 8a of the lever 8 pushes the tongue piece 42 upward. The suction member 36 is lifted by the displacement of the tongue piece 42 to release the latch engagement, and the latch arm 40 and the opening 34 are disengaged. Thus, the suction member 36 can be easily removed by operating the lever without using a finger. By this operation, the upper housing 6 moves slightly upward in FIG. 1 and aligns with the main body 2 so that the electrical contacts of the IC package and the electrical contacts 22 of the main body 2 are easily connected to each other.
[0015]
The lever operation described above is always performed in preparation for mounting the IC package on the upper surface 5 of the insulating housing 3. Therefore, it is possible to omit an operation (process) of removing the tongue piece 42 with a finger from a series of operations for attaching the IC package. Then, after the lever 8 is rotated upward at a substantially right angle with the upper surface 4 of the main body 2, the IC package is placed on the upper housing 6 from which the adsorption member 36 is removed with a low insertion force or zero insertion force. Thereafter, the lever 8 is rotated again to the position shown in FIG. 1, and the electrical contact of the IC package and the electrical contact 22 of the IC socket 1 are electrically connected. Since the electrical connection structure using the lever is generally well known as an LIF (Low Insertion Force) or ZIF (Zero Insertion Force) connector in this type of electrical connector, detailed description thereof will be omitted.
[0016]
As described above, before the IC package is attached to the IC socket 1, the lever 8 for attaching the IC package can be easily removed by the rotation operation. Can be performed efficiently.
[0017]
The engagement between the suction member and the insulating housing may be friction engagement as disclosed in Japanese Utility Model Laid-Open No. 5-31188, or adhesion using an adhesive tape, in addition to latch engagement.
[0018]
Further, if the tongue piece 42 is disposed closer to the free end of the lever operating portion 8 a, the amount of displacement of the tongue piece 42 can be increased, and the suction member 36 can be removed at the initial stage of rotation of the lever 8. Or if the tongue piece 42 is arrange | positioned from the spindle 8b of the lever 8, the force required for the removal of the tongue piece 42 can be reduced.
[Brief description of the drawings]
FIG. 1 is a plan view of an IC socket of the present invention mounted with a suction member. FIG. 2 is a front view of the IC socket of FIG. 1. FIG. 3 is a side view of the IC socket of FIG. Side view of the suction member used in the IC socket of FIG.
DESCRIPTION OF SYMBOLS 1 IC socket 3 Insulation housing 5 Upper surface 8 Lever 22 Electrical contact 36 Adsorption member 40 Latch arm 42 Tongue piece (extension part)

Claims (1)

An insulating housing having an electrical contact, and a lever pivotably attached to the insulating housing, the electrical contact of the IC package placed on the insulating housing and the electrical contact on the insulating housing side being the lever In an IC socket that is electrically connected or disconnected by rotating operation of
An adsorption member for adsorbing to a vacuum type adsorption nozzle is detachably attached to the upper surface of the insulating housing, and the adsorption member has an extension portion that is pushed up by the turning operation of the lever. An IC socket, wherein the suction member is configured to be detached from the insulating housing.

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