JP2002124327A - Card-edge connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a single-action card-edge connector which can fix a flat cable with ease and is superior in operability and reliability. SOLUTION: The card-edge connector 1 is provided with a female housing 2, having a first locking member 4 and a plurality of contacts and a male housing 5, having a second locking member 6m and a strip transmission line 8 with a plurality of conductors being arrayed for connection with each of the plurality of contacts. The housings 2, 5 are fixed in a state of being insertion-coupled, as the first locking member 4 gets locked with the second locking member 6m.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a card edge connector.

[0002]

2. Description of the Related Art Conventionally, card edge connectors are widely used as connectors for mounting boards from industrial equipment to consumer equipment because of their ease of use. line)
There is a flat cable type that connects to a board. When fixing the flat cable to the housing, this card edge connector of the flat cable type
There were only one action type in which the flat cable was temporarily fixed in two operations (hereinafter, referred to as “one action”) or two action type in which the flat cable was fixed in two operations.
Therefore, the one-action type card edge connector has a problem in reliability, and the two-action type card edge connector has a problem in workability.

Therefore, in a flat cable type card edge connector, it has been desired to provide a connector which can easily fix the flat cable and is excellent in workability and reliability. The present invention has been made in view of the above points, and can easily fix a belt-shaped transmission line,
An object of the present invention is to provide a one-action type card edge connector excellent in workability and reliability.

[0004]

According to the present invention, in order to achieve the above object, a female housing having a first lock member and a plurality of contacts, and a second lock member,
A male housing having a strip-shaped transmission line in which a plurality of conductors connected to each of the plurality of contacts are arranged, and by fitting the two housings, one of the first and second locking members is formed. The other housing is engaged so that both housings are fixed in a fitted state.

[0005]

In the process of fitting the female housing and the male housing, one of the first and second locking members is engaged with the other, and the two housings are fixed in a fitted state by one action.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a card edge connector according to the present invention will be described below in detail with reference to FIGS. As shown in FIG. 1, the card edge connector 1 includes a female housing 2 and a male housing 5, each of which is molded from an electrically insulating synthetic resin.

As shown in FIGS. 2 and 3, the female housing 2 has a plurality of square hole-shaped fitting ports 2b formed in a main body 2a, and the plurality of fitting ports 2b are connected in a lateral direction by a communicating portion 2c. . In the female housing 2, grooves are formed at the rear of each communication portion 2c, and contacts 3 are attached to the respective grooves as shown in FIGS. Body 2
In a, an inclined portion 2d (see FIGS. 2 and 4) is formed on the male housing 5 side, and a step portion 2e is provided substantially at the center of the inclined portion 2d. In the female housing 2, the lock lever 4 is supported using slits 2f (see FIGS. 1 and 2) on both sides of the main body 2a. The slit 2f has a projection 2g at the back and a step 2h at the bottom (both refer to FIG. 10A).
Are formed respectively.

As shown in FIG. 4, the contact 3 has a U-shaped connecting portion 3a and a lead 3b integrally provided in a direction orthogonal to the connecting portion 3a. The contact 3 has the connecting portion 3a inserted into the groove formed in the communicating portion 2c, and the tip of the lead 3b extends below the female housing 2. Here, a plurality of contacts 3 are omitted in FIG. 1, and a lock lever 4 is omitted in FIG.

The lock lever 4 is a first lock member,
As shown in FIGS. 1 and 4, an engaging portion 4b is formed at the longitudinal center of the main body 4a, and arms 4c are provided on both sides. The end of each arm 4c is supported by the female housing 2 by a pin 4d, and the lock lever 4 rotates up and down about the pin 4d as shown by an arrow in FIG. Further, the lock lever 4 has legs 4e (FIG. 10 (a) to
(See (d)). Here, the lock lever 4 is in the position shown in FIG. 1 in a state where the male housing 5 is not fitted to the female housing 2 and FIG.
As shown in (a), the lower end of each arm 4c is engaged with the step 2h of the female housing 2.

The male housing 5 has a first fixing member 6, a second fixing member 7, and a flat cable 8. As shown in FIG. 1, the first fixing member 6 is disposed on the upper side and assembled with the second fixing member 7, and a flat cable 8 described later is used.
Is fixed. As shown in FIGS. 5 and 6, the first fixing member 6 has a main body 6a, two engagement arms 6d, two positioning arms 6g, two pressing pieces 6j, a lock member 6m, and the like.

The main body 6a is, as shown in FIGS.
A box-shaped member with the rear and lower parts removed, a pressing portion 6b of a flat cable 8 described later is formed inside, and an engaging arm 6d is provided on both sides via a slit 6c. The hook 6e is formed at the tip of the engagement arm 6d. As shown in FIG. 6, the main body 6a has an engagement groove 6f formed inside the vicinity of the slit 6c. The positioning arm 6g is formed so as to extend forward from the main body 6a, and has a cable groove 6h (see FIG. 5) in which a flat cable 8 described later is disposed, formed to a substantially middle portion in the longitudinal direction. The pressing piece 6j extends forward from the main body 6a between the two positioning arms 6g, and is formed flush with the lower surface of the pressing portion 6b. The pressing piece 6j slightly protrudes from the lower surface and extends to the pressing portion 6b, and is formed with a ridge 6k that presses between conductors of the flat cable 8 so that the flat cable 8 described below does not laterally shift. The lock member 6m is a second lock member, as shown in FIG. 5, formed so as to protrude forward from the main body 6a, and has a tapered surface 6n formed at a front portion that first comes into contact with the lock lever 4. . As shown in FIGS. 5, 8 and 9, the locking member 6m has a recess 6p between itself and the main body 6a, and a horizontal contact surface 6 at the lower end.
q are formed respectively. Here, the main body 6a
As shown in FIGS. 5 and 8, two positioning arms 6g
A bulging portion 6r that bulges in an arc shape is formed on the upper front side of the bulging portion.

The second fixing member 7 is arranged below the male housing 5, and has a main body 7a and two pressing pieces 7f as shown in FIG. The main body 7a has both side walls 7b and a bottom wall 7c. On both side walls 7b, a ridge 7d engaging with the engaging groove 6f and a ridge 7e engaging with the slit 6c are formed respectively. . The pressing piece 7f slightly protrudes from the upper surface and extends to the bottom wall 7c, and is formed with a ridge 7g that presses between conductors of the flat cable 8 so that the flat cable 8 described later does not laterally shift. Also, the second fixing member 7
Is provided with a locking projection 7h below the projection 7e on both side walls 7b.

The male housing 5 inserts the flat cable 8 from behind into the cable groove 6h of the positioning arm 6g, and engages the ridge 7d with the engagement groove 6f and the ridge 7e with the slit 6c. The first fixing member 6 is
It is assembled to the fixing member 7 as shown in FIG. As a result, the flat cable 8 is
j, 7f, the first fixing member 6 and the second fixing member 7
Fixed between. At this time, a state in which the first fixing member 6 and the second fixing member 7 are assembled except for the flat cable 8 is shown in FIG. 8, but each engaging arm 6d has a hook 6e at the tip engaged with the engaging projection 7h. Further, since the ridge 7d is engaged with the engagement groove 6f and the ridge 7e is engaged with the slit 6c, the first fixing member 6 and the second fixing member 7 are firmly fixed to each other. .

The flat cable 8 is a strip-shaped transmission line in which a plurality of conductors (not shown) connected to each of the plurality of contacts 3 are arranged in parallel, and the plurality of conductors are covered with an electrically insulating synthetic resin. I have. The flat cable 8 has its distal end sandwiched between the first fixing member 6 and the second fixing member 7 in a state where the synthetic resin at the distal end is removed to expose the plurality of conductors. It is fixed between seven. At this time, the flat cable 8 is connected to the positioning arm 6g and the pressing piece 6 where the exposed conductor is adjacent in the width direction.
j, 7f and between the two sets of pressing pieces 6j, 7f, these positioning arms 6g and pressing pieces 6j, 7f so as not to be deformed even when an external force acts.
Protected by

The card edge connector 1 configured as described above is assembled as follows. First, the female housing 2 and the male housing 5 are arranged facing each other as shown in FIG. 1, and the lower end of each arm 4c engages with the step 2h of the female housing 2 as shown in FIG. With the male housing 5 side of the lever 4 slightly lifted, the two positioning arms 6g are connected to the outermost fitting port 2b.
Insert

Then, each positioning arm 6g is fitted into the fitting opening 2
Inserted while guided by b. At the same time, two sets of pressing pieces 6j and 7f pressing the flat cable 8 are inserted into the corresponding fitting openings 2b, and the male housing 5 is fitted to the female housing 2 with a small insertion force while being positioned. . Next, as shown in FIG.
When the tip of each positioning arm 6g is inserted into the fitting opening 2b up to the position of the step 2h, the lower end of the arm 4c is pushed by the tip of each positioning arm 6g, and the lock lever 4
Starts rotating clockwise about the pin 4d.
Thereby, the engagement between the lower end portion of the arm 4c and the step portion 2h is released.

When each positioning arm 6g is further inserted into the fitting opening 2b from this state, the bulging portion 6r comes into contact with and presses the leg 4e, so that the lock lever 4 is further moved as shown in FIG. 10 (c). Rotate clockwise. When the male housing 5 is further pushed in to complete the fitting of the male housing 5 to the female housing 2, the lock lever 4 is moved to the male housing 5.
Is pushed by the bulging portion 6r and further rotated clockwise, and as shown in FIG.
And engages with the projection 2g. In parallel with this, as shown in FIG. 9, the engaging portion 4b fits into the concave portion 6p, and the contact surface 6q contacts the step portion 2e.
Is fixed to the female housing 2.

As described above, the card edge connector 1
By using the lock lever 4, assembly can be easily performed in one action. In addition, the male housing 5 can be fitted with the female housing 2 with a small insertion force by manually operating the lock lever 4 when the lock member 6m comes into contact with the engagement portion 4b.
At this time, the flat cable 8 is connected to the positioning arm 6g.
The exposed conductors are inserted between the connecting portions 3a of the contacts 3 without being turned up while being protected by the pressing pieces 6j and 7f, and the respective conductors are electrically connected to the corresponding contacts 3. You.

In the card edge connector 1 assembled in this manner, a substrate (not shown) is attached from below using a plurality of contacts 3 extending downward from the female housing 2. On the other hand, when the lock lever 4 is pulled up while holding the main body 4a of the card edge connector 1, the engagement between the engaging portion 4b and the concave portion 6p is released by the reverse operation, and the positioning arm 6g is pushed out of the female housing 2. Thus, the male housing 5 and the female housing 2 can be easily removed with a small force.

Here, if the strip-shaped transmission line can be easily fixed and the male housing and the female housing can be easily fitted with one action, the female housing 11 and the male housing can be connected like the card edge connector 10 shown in FIG. The housing 15 may be configured. That is, the female housing 11 is provided with a square hole-shaped fitting port 1 in a substantially rectangular parallelepiped main body 11a.
Two slits 1b are formed, and a slit-like groove 11c for attaching a contact (not shown) is formed at a position adjacent to the rear fitting opening 11b. The main body 11a has an upper surface on which an engaging portion 17b of a second fixing member 17 to be described later is engaged.
Is formed as a lock member.

The male housing 15 includes the first fixing member 1.
6, a second fixing member 17 and a flat cable 8. The first fixing member 16 has side walls 16b formed on both sides of a plate-shaped main body 16a, and two pressing pieces 16d are provided to extend forward in a concave portion 16c formed in the center. Each side wall 16b is provided with an engagement recess 16e on both sides of the rear portion.

The second fixing member 17 is engaged with the projection 11d on the upper portion of the main body 17a, and the engaging portion 1 serving as a second lock member is provided.
7b is provided, and the main body 17a is formed with an extension 17c extending forward. The extension 17c is provided with an arm 17d on both sides and two pressing pieces 17e at positions corresponding to the pressing piece 16d at the center in the width direction. Further, the main body 17a is provided with the first fixing members 16 on both sides of the rear portion.
A projection 17f that engages with the engagement recess 16e is provided.

The male housing 15 removes the synthetic resin at the tip of the flat cable 8 in advance to expose the plurality of conductors, and as shown in FIG. 1 recess 16c of fixing member 16
And the extension 17c is covered therefrom, and the projection 17f
Are engaged with the engaging recesses 16e. The male housing 15 assembled in this manner inserts each pressing piece 16d into the corresponding fitting opening 11b, and
The card edge connector 10 is assembled by engaging b with the protrusion 11d and fitting with the female housing 11.

[0024]

According to the first aspect of the present invention, it is possible to provide a one-action type card edge connector which can easily fix a flat cable and is excellent in workability and reliability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state where a card edge connector of the present invention is disassembled into a female housing and a male housing.

FIG. 2 is a plan view showing a state where a lever is removed from the female housing of FIG. 1;

FIG. 3 is a rear view of the female housing shown in FIG. 2;

FIG. 4 is a sectional view of the female housing of FIG. 3 taken along line C1-C1.

FIG. 5 is a perspective view of a first member constituting the male housing of FIG. 1 as viewed from the front side.

FIG. 6 is a perspective view of the first member of FIG. 5 as viewed from the rear side.

FIG. 7 is a perspective view of a second member constituting the male housing of FIG. 1 as viewed from the front side.

FIG. 8 is a perspective view of a male housing in which a first member and a second member are combined as viewed from the front side.

FIG. 9 is a sectional view of a card edge connector in which a male housing is fitted to a female housing.

FIG. 10 is an explanatory view showing a process of fitting the male housing to the female housing, with the female housing shown in cross section.

FIG. 11 is a perspective view showing another embodiment of the card edge connector of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Card edge connector 2 Female housing 3 Contact 4 Lock lever (1st lock member) 5 Male housing 6 1st fixing member 6m Lock member 7 2nd fixing member 8 Flat cable (band-shaped transmission line) 10 Card edge connector 11 Female housing 11d Projection (first lock member) 15 Male housing 16 First fixed member 17 Second fixed member 17b Engagement part (second lock member)

Continued on the front page F term (reference) 5E021 FA05 FA09 FB02 FB05 FB08 FC31 FC36 HC07 HC11 5E023 AA04 AA13 AA16 AA18 BB02 BB06 BB22 BB25 BB29 CC23 DD06 EE12 GG02 GG09 GG10 HH30

Claims (1)

[Claims] 1. A male having a female housing and a second lock member having a first lock member and a plurality of contacts, and a strip-shaped transmission line in which a plurality of conductors connected to each of the plurality of contacts are arranged. With a housing,
A card edge connector characterized in that one of the first and second lock members is engaged with the other by fitting the two housings together, and the two housings are fixed in a fitted state.