CN104283022A - Connector - Google Patents

Abstract

The present invention provides a connector that is excellent in productivity and can be thinned. A connector (1) in which an insulating sheet (20) is pasted on the upper surface of a connector forming part (10), the connector forming part has: a plurality of contacts (11) located on the same plane; And a frame (12) that integrally surrounds a plurality of contacts; and a connecting piece (13-16) that is located on the same plane as the contacts and connects the contacts to the frame, the contacts have a frame portion (11a) and a The inner side and one end of the contact part (11b) connected to the frame part, the insulating thin plate is formed to expose the contact part of the contact, and a gap (G) is formed on each connecting piece to electrically insulate the contact and the frame, and constitutes a contact The frame portion is held by an insulating sheet.

Description

Connector

technical field

The present invention relates to connectors.

Background technique

Conventionally, a connector is known in which a plurality of contacts formed of metallic components are attached to a frame formed of metallic components using an insulating adhesive or the like (for example, refer to Patent Document 1).

prior art literature

Patent Document 1: Japanese Patent Laid-Open No. 2009-295351

However, the above-mentioned conventional connectors are not only difficult to control the coating thickness of the insulating adhesive, but also difficult to efficiently produce because it takes time to cure the adhesive. In addition, in recent years, there has been an urgent demand for connectors to be thinner and thinner.

Contents of the invention

Therefore, the present invention was made to solve the above-mentioned problems, and an object of the present invention is to provide a connector that is excellent in productivity and can be reduced in thickness.

In order to achieve the above object, the connector of the present invention provides a connector formed by affixing an insulating thin plate on the face of a connector forming member formed of a metal plate and holding a plurality of contacts, characterized in that each of the above contacts It has a frame part and a contact part located inside the frame part and one end connected to the frame part. A frame located on the same plane and adjacent to the above-mentioned contacts; and a connecting piece located on the same plane as the frame portion of the above-mentioned contacts and connecting the above-mentioned contacts to the above-mentioned frame. The way that the contact part is exposed is pasted on at least one face of the above-mentioned connector forming member, and a gap is formed on each of the above-mentioned connecting pieces to electrically insulate the above-mentioned contacts and the above-mentioned frame, and the frame part of each contact is separated by the above-mentioned insulating sheet. Stay within the above framework.

According to this configuration, in the connector of the present invention, the insulating sheet attached to the connector forming member holds the frame portion of each contact on the frame. Therefore, there is no need to consider the curing time of the adhesive, and the mutual positioning of multiple contacts is not required, thereby improving the productivity of the connector. In addition, since the contacts and the frame are located on the same plane, it is possible to reduce the thickness of the connector.

In addition, in the above-mentioned connector, the above-mentioned insulating sheet may be affixed to both surface surfaces of the above-mentioned connector forming member.

According to this configuration, the connector of the present invention can maintain the position of each contact at a predetermined position even if the insulating sheet attached to one surface of the connector forming member is peeled off.

In addition, in the above-mentioned connector, the insulating thin plate may be formed such that a portion of the connecting piece connected to the contact is exposed as a terminal portion.

According to this structure, the connector of this invention can use the part connected to the contact of a connection piece as a terminal part electrically connected to the conductor foil etc. of a board|substrate.

In addition, in the above-mentioned connector, the connector forming member may be formed by punching a metal plate.

According to this configuration, in the connector of the present invention, a plurality of contacts can be simultaneously formed with one die, and cost reduction can be achieved.

In addition, in the above-mentioned connector, the contact portion of the contact may be formed so as to be bent in a thickness direction with respect to the frame portion.

According to this configuration, the contact portion of the connector of the present invention is reliably brought into contact with the current-carrying object by the elasticity of the metal plate.

The effects of the present invention are as follows.

Thus, according to the present invention, it is possible to provide a connector that is excellent in productivity and can be reduced in thickness.

Description of drawings

FIG. 1 is a perspective view of a connector according to a first embodiment of the present invention viewed from above.

Fig. 2 is a plan view of the connector according to the first embodiment of the present invention.

Fig. 3 is a CC sectional view of Fig. 2 .

4 is a perspective view of a card medium inserted into the connector according to the first embodiment of the present invention viewed from below.

5 is a perspective view of a connector forming member used in the connector of the first embodiment of the present invention viewed from above.

6 is a perspective view of a state in which an insulating sheet is pasted to the connector forming member used in the connector according to the first embodiment of the present invention as viewed from above.

Fig. 7 is a configuration diagram of a connector according to a second embodiment of the present invention.

Fig. 8 is a perspective view of a connector according to a second embodiment of the present invention.

Fig. 9 is a D-D sectional view of Fig. 7 .

In the figure: 1, 1A—connector, 10—connector forming part, 11—contact, 11a—frame, 11b—contact, 11c—terminal, 12—frame, 13, 14, 15, 16—connection Sheet, 20, 20A—insulation sheet, G—interval.

Detailed ways

Hereinafter, a connector according to an embodiment of the present invention will be described with reference to the drawings.

(first embodiment)

As shown in FIGS. 1 to 3 , the connector 1 includes a connector forming member 10 formed of a metal plate and an insulating sheet 20 , and the insulating sheet 20 is bonded to one face (upper face) of the connector forming member 10 .

In the connector 1, a card medium 30 such as a memory card shown in FIG. 4 is inserted from the front A side to the front B side in the card medium insertion direction. The card medium 30 has eight contact portions 31 in the lower part, and these contact portions 31 are arranged to take the direction from the front A side to the front B side of the card medium insertion direction corresponding to the connector 1 as a row, and take the card medium width direction as a column. in the form of two rows and four columns.

As shown in FIG. 5 , the connector forming member 10 includes a plurality of contacts 11 , a frame 12 , and a plurality of connecting pieces 13 to 16 . These contacts 11, frame 12, and connecting pieces 13-16 are located on the same plane.

The connector forming part 10 has eight contacts 11, and these contacts 11 are arranged in a row from the front A side to the front B side in the card medium insertion direction corresponding to the connector 1, and in a column in the width direction of the card medium. in the form of two rows and four columns.

Each contact 11 has a substantially rectangular frame-shaped frame portion 11a and a contact portion 11b located inside the frame portion 11a. The contact portion 11b extends along the card medium insertion direction, and the end portion on the front A side in the card medium insertion direction is connected to the frame portion 11a.

The contact portion 11 b is bent in the thickness direction with respect to the frame portion 11 a , and the end portion on the front B side in the card medium insertion direction protrudes upward from the upper portion of the connector forming member 10 . The end portion of the contact portion 11 b on the front B side in the card medium insertion direction is in contact with the contact portion 31 of the card medium 30 , and is inclined upward as shown in the figure and has elasticity.

The frame 12 is composed of a pair of long side portions 12a extending along the card medium insertion direction and facing at intervals along the card medium width direction, and a pair of extending along the card medium width direction and facing at intervals along the card medium insertion direction. The short side portion 12 b is formed in a substantially rectangular frame shape, and integrally surrounds the eight contacts 11 adjacent to the contacts 11 . In addition, “adjacent” means that the frame portion 11 a approaches the frame 12 to the extent that the frame portion 11 a of the contact 11 can be held by the frame 12 via the insulating sheet 20 .

In addition, the frame 12 has a reinforcing portion 12c extending in the width direction of the card medium. The reinforcing portion 12c is interposed between the row of contacts 11 on the front A side in the card medium insertion direction and the row of contacts 11 on the front B side in the card medium insertion direction. Each end of the reinforcement part 12c is connected to the long side part 12a, respectively.

Furthermore, the frame 12 has a pair of wall portions 12d extending along the card medium insertion direction. The wall portion 12d is connected to the edge portion of the long side portion 12a and protrudes upward.

That is, the frame 12 constitutes an insertion path of the card medium 30 by the long side 12a, the short side 12b, the wall 12d, and the like.

The connection piece 13 is interposed between the contacts 11 forming a row on the front A side in the card medium insertion direction and the short side 12b on the front A side in the card medium insertion direction, and connects the frame part 11a of each contact 11 to the short side. Section 12b.

The connection piece 14 is interposed between the contacts 11 and the reinforcing part 12c formed in a row on the front A side in the card medium insertion direction, and connects the frame part 11a of each contact 11 to the reinforcing part 12c.

The connecting piece 15 is interposed between the contacts 11 and the reinforcing part 12c forming a row on the front B side in the card medium insertion direction, and connects the frame part 11a of each contact 11 to the reinforcing part 12c.

The connection piece 16 is interposed between each contact 11 forming a row on the front B side in the card medium insertion direction and the short side portion 12b on the front B side in the card medium insertion direction, and connects the frame portion 11a of each contact 11 to the short side. Section 12b.

The connector forming member 10 is formed, for example, by punching a metal plate made of a copper alloy, and initially the contacts 11 , the frame 12 , and the connection pieces 13 to 16 are integrally formed. In addition, the connector forming member 10 may be formed by subjecting a metal plate to photoetching.

In addition, the connector forming member 10 forms a gap G (see FIG. 2 ) for electrically insulating each contact 11 and the frame 12 on each of the connecting pieces 13 to 16 .

The insulating sheet 20 is formed of a synthetic resin with high heat resistance such as LCP (Liquid Crystal Polymer: Liquid Crystal Polymer), and is bonded to the upper surface of at least one surface of the connector forming member 10 by adhesion.

As shown in Figure 6, on the insulating thin plate 20, be formed with: the opening 21 that is used to expose the contact part 11b of each contact 11; The opening 22 that is used to expose each connection piece 13; 15; and an opening 24 for exposing each connecting piece 16.

That is, the insulating sheet 20 is formed to mainly cover the long side portion 12 a and the short side portion 12 b of the frame 12 and the frame portion 11 a of each contact 11 on the upper surface of the connector forming member 10 .

In addition, the part connected to the contact 11 of each connection piece 14,16 is used as the terminal part 11c. The terminal portion 11c is soldered to, for example, a conductor foil of a substrate not shown.

Next, the procedure for assembling the connector 1 will be described.

As shown in FIG. 6, an insulating sheet 20 forming openings 21, 22, 23, 24 is bonded to the upper surface of the connector forming member 10 integrally forming the contacts 11, the frame 12, and the connecting pieces 13-16. .

Thereby, the long side part 12a and the short side part 12b of the frame 12 and the frame part 11a of each contact 11 are covered with the insulating sheet 20 . In addition, the contact portion 11 b of each contact 11 is exposed from the opening 21 , each connection piece 13 is exposed from the opening 22 , each connection piece 14 , 15 is exposed from the opening 23 , and each connection piece 16 is exposed from the opening 24 .

Next, each of the connection pieces 13 to 16 is cut off in the middle of the card medium insertion direction to form a gap G for electrically insulating the contacts 11 and the frame 12 .

Accordingly, the contacts 11 are not electrically connected to each other, and are electrically independent. In addition, the frame portion 11 a of each contact 11 is integrally held by the insulating sheet 20 .

In addition, the part connected to the contact 11 of each connection piece 14,16 is used as the terminal part 11c.

Next, the function of the connector 1 will be described.

The insulating sheet 20 of the connector 1 bonded to the connector forming member 10 integrally holds the frame portion 11a of each contact 11, so compared with the conventional connector, it is not necessary to consider the curing time of the adhesive, and also Since it is not necessary to determine the mutual positions of the plurality of contacts 11, the productivity of the connector 1 can be improved. In addition, since the contacts 11 and the frame 12 are located on the same plane, it is possible to reduce the thickness of the connector 1 .

Since the connector 1 exposes the connection pieces 14, 16 without being covered by the insulating sheet 20, the portion of the connection pieces 14, 16 connected to the contacts 11 can be used as a terminal portion for electrical connection with respect to the conductor foil or the like of the substrate. 11c.

In the connector 1 , since the connector forming member 10 is formed by punching a metal plate, a plurality of contacts 11 can be simultaneously formed with one punching die, and cost reduction can be achieved. Furthermore, even when the connector forming member 10 is formed by subjecting a metal plate to photoetching, a plurality of contacts 11 can be formed simultaneously, and cost reduction can be achieved.

Since the connector 1 bends the contact portion 11b of the contact 11 in the thickness direction relative to the frame portion 11a, the contact portion 11b can be reliably brought into contact with the contact portion 31 of the card medium 30 under the action of the elasticity of the metal plate. .

In addition, the technical scope of the connector of the present invention is not limited to the above-mentioned embodiments, and includes various modifications of the respective components described within the technical scope of claims unless departing from the scope of the present invention.

(second embodiment)

In this second embodiment, in addition to the first embodiment in which the insulating sheet 20 is bonded to one face (upper face) of the connector forming member 10, an opening 21A, The insulating sheet 20A of 22A, 23A, 24A. Thus, the connector 1A is configured to hold the frame portion 11 a of each contact 11 by the insulating sheets 20 and 20A. The configuration of the connector 1A will be specifically described below.

In addition, FIG. 7 is a six-sided view based on FIG. 7(a), FIG. 7(a) is a front view showing the upper side of the connector 1A, and FIG. 7(b) is a front view showing the lower side of the connector 1A. Figure 7(c) is a bottom view of connector 1A, Figure 7(d) is a top view of connector 1A, Figure 7(e) is a left side view of connector 1A, Figure 7(f) is a connection Right side view of device 1A. In addition, FIG. 8( a ) is a perspective view showing the lower surface side of the connector 1A, and FIG. 8( b ) is a perspective view showing the upper surface side of the connector 1A. In addition, FIG. 9( a ) is a perspective view of the upper face side showing a part of connector 1A cut away, and FIG. 9( b ) is a cross-sectional view of connector 1A showing the D-D cross section of FIG. 7( a ), (b). In addition, in FIGS. 7 to 9 , illustration of a pair of wall portions 12 d extending in the card medium insertion direction of the frame 12 is omitted.

As shown in FIGS. 7 to 9 , connector 1A attaches insulating sheet 20 to the upper surface of connector forming member 10 by bonding, and attaches insulating sheet 20A to the lower surface of connector forming member 10 by bonding.

An opening 21A for exposing the contact portion 11b of each contact 11, an opening 22A for exposing each connection piece 13, and an opening 23A for exposing each connection piece 14, 15 are formed in the insulating sheet 20A. , and an opening 24A for exposing each connection piece 16 .

That is, the insulating sheet 20A mainly covers the long side 12 a and short side 12 b of the frame 12 and the frame 11 a of each contact 11 on the lower surface of the connector forming member 10 .

However, each connecting piece 14, 16 is bent opposite to the contact portion 11b in the plate thickness direction with respect to the frame portion 11a, and the end portion on the front B side in the card medium insertion direction protrudes below the lower surface of the connector forming member 10. For example, each connecting piece 14, 16 bends the end portion on the front B side in the card medium insertion direction toward the substrate side by an amount corresponding to the thickness of the insulating sheet 20A, so that the terminal portion 11c and the insulating sheet 20A are on the same plane, and The substrates are arranged to face each other.

As mentioned above, the connector 1A in which the insulating sheet 20A is attached to the lower surface of the connector forming member 10 can improve productivity and realize thinning, and not only the connecting pieces 14 and 16 can be used as the terminal portion 11c, but also the Even when the card medium 30 is inserted and removed, the insulating sheet 20 attached to the upper surface of the connector forming member 10 is peeled off, so that the positions of the contacts 11 can be maintained at predetermined positions.

In particular, in the connector 1A in which the insulating sheet 20A is pasted on the lower surface of the connector forming member 10, when the connecting pieces 14 and 16 are used as the terminal portion 11c, it is possible to prevent solder inflow (solder overflow) during soldering with the substrate. That is, the insulating sheet 20A pasted on the lower surface of the connector forming member 10 can prevent solder in a molten state from flowing into the lower surface of the contacts 11, so that damage to the arrangement flatness (coplanarity) in the thickness direction of each contact 11 can be suppressed. ).

In addition, the case where the insulating sheet 20A attached to the lower surface of the connector forming member 10 is different from the insulating sheet 20 attached to the upper surface has been described, but it is not limited thereto. For example, the insulating sheet 20 and the insulating The thin plate 20A is integrated, folded back and pasted on the upper and lower parts of the connector forming member 10 .

In addition, as a connector in which the insulating sheet 20A is attached to the lower surface (at least one surface) of the connector forming member 10, the insulating sheet 20 attached to the upper surface can also be omitted.

As described above, the connector of the present invention can achieve excellent productivity and thinning effects, and can be applied to various substrate assemblies and the like.

Claims (8)

1. A connector formed by adhering an insulating sheet on the face of a connector forming member formed of a metal plate and holding a plurality of contacts, the connector being characterized in that, Each of the contacts has a frame portion and a contact portion located inside the frame portion and having one end connected to the frame portion, The connector forming member includes: a frame portion of each of the contacts positioned on the same plane; a frame that is positioned on the same plane as the frame portion of each of the contacts and is adjacent to each of the contacts; a connecting piece that is on the same plane and connects the above-mentioned contacts to the above-mentioned frame, The insulating sheet is attached to at least one surface of the connector forming member in such a manner that the contact portion of each of the contacts is exposed, A space for electrically insulating each of the contacts from the frame is formed on each of the connecting pieces, and a frame portion of each of the contacts is held by the frame via the insulating thin plate. 2. The connector according to claim 1, characterized in that, The insulating sheet is pasted on both surfaces of the connector forming member. 3. The connector according to claim 1 or 2, characterized in that, The insulating thin plate is formed such that a portion of the connecting piece connected to the contact is exposed as a terminal portion. 4. The connector according to claim 1 or 2, characterized in that, The above-mentioned connector forming member is a member obtained by punching a metal plate. 5. The connector according to claim 3, characterized in that, The above-mentioned connector forming member is a member obtained by punching a metal plate. 6. The connector according to claim 1 or 2, characterized in that, The contact portion of the contact is bent in a plate thickness direction with respect to the frame portion. 7. The connector according to claim 3, characterized in that, The contact portion of the contact is bent in a plate thickness direction with respect to the frame portion. 8. The connector according to claim 4, characterized in that, The contact portion of the contact is bent in a plate thickness direction with respect to the frame portion.