JP3995029B2 - connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector used in a small electronic device such as a notebook computer, and more particularly to a connector for electrically connecting a large number of extra fine cables.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a large number of extra fine cables are used in a small electronic device such as a notebook personal computer for electrical connection with, for example, a liquid crystal display (LCD).
[0003]
As this large number of extra-fine cables (hereinafter simply referred to as cables), a large number of single cables with ultra-fine cable conductors arranged in an insulator are assembled, and the ultra-fine cable conductors are insulated in multiple rows. A flexible flat cable or the like disposed inside the body is known.
[0004]
On the other hand, a connector is used as a device for connecting these many cables and each terminal formed on a printed wiring board.
[0005]
This connector has a socket having a plurality of female contacts and a plurality of male contacts corresponding to the plurality of female contacts, and the male contacts are fitted into the corresponding female contacts so that the male and female contacts are It is comprised from the plug which aims at electrical joining.
[0006]
In order to connect each cable conductor of a plurality of corresponding cables to each of the plurality of male contacts arranged in this plug, conventionally, each cable conductor and each corresponding male contact are soldered, Alternatively, a crimping tool or the like is used to crimp each cable conductor and each corresponding male contact one by one.
[0007]
[Problems to be solved by the invention]
By the way, according to the conventional connector described above, each cable conductor and each male contact are electrically connected to each other, so that a crimping process or a soldering process must be performed, and the work is complicated and a factor of erroneous wiring. But it was.
[0008]
In addition, according to the conventional connector, since each cable conductor and each male contact are connected by a crimping process or a soldering process, the occupied area occupied by the crimped part or the soldering part is large, and therefore the pitch between each male contact is large. Therefore, it is difficult to reduce the size of the connector itself.
[0009]
In view of the circumstances described above, an object of the present invention is to provide a connector in which a plurality of cables can be easily connected and the pitch between the contacts is further narrowed.
[0010]
[Means for Solving the Problems]
In order to solve the above-described problem, the first connector according to the present invention is a cable holder having a plurality of cable guide grooves formed at a predetermined pitch along the width direction, and at each distal end portion of the cable holder, The cable guide groove includes a slit that branches into a fork, and a conductor fitting insertion hole that is formed at the base end of the slit and has a diameter slightly smaller than the diameter of the cable conductor that fits and supports the cable conductor tip. A cable holder that integrally forms a conductor holding portion, and supports the cable conductor tip that is fitted and supported in the conductor fitting insertion hole by the conductor fitting insertion hole of the conductor holding portion ; and each corresponding cable guide groove A socket having a plurality of female contacts which are respectively inserted into the cable guides and grip the cable conductors arranged in the cable guide grooves so as to be electrically connected to the corresponding cable conductors. It is characterized in that it comprises a door.
The second connector according to the present invention is a cable holder having a plurality of cable guide grooves formed at a predetermined pitch along the width direction, and at the ends of the cable guide grooves, the diameters of the cable conductors. A cable holder that integrally forms a conductor holding portion composed of a pair of holding walls that are erected with a slight gap, and supports the cable conductor between the holding walls of the conductor holding portion, A socket having a plurality of female contacts which are respectively inserted into the cable guide grooves and gripping each of the cable conductors arranged in the cable guide grooves so as to be electrically connected to the corresponding cable conductors. It is a feature.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the connector according to the present invention will be described in detail.
[0012]
FIG. 1 is a partially broken conceptual plan view of a connector 1 according to the present invention.
[0013]
The connector 1 includes an insulating cable holder 2 in which a plurality of extra fine cables are arranged in a horizontal row at a predetermined pitch, and when the holder 2 is moved in the direction of arrow A and fitted , It is composed of a socket 5 in which a plurality of female contacts 4 for holding a conductor and making electrical connection with the conductor are arranged in a horizontal row.
[0014]
Among these, a plurality of cable guide grooves 6 are formed in the cable holder 2 at a predetermined pitch (a pitch approximately equal to the diameter of one cable) along the width direction.
[0015]
As shown in FIG. 1 and FIG. 2 showing the BB cross section, the cable guide groove 6 has a substantially U-shaped cross section, and a first groove portion 6a for guiding an insulator portion of a cable (not shown), and a cable terminal The second groove portion 6b that guides the cable conductor extending from the cable portion, and the conductor holding portion 7 that holds the tip of the cable conductor guided through the second groove portion 6b.
[0016]
The diameter of the first groove 6a described above is slightly smaller than the diameter of the insulator portion of the guiding cable, and the second groove 6b is also slightly smaller than the diameter of the guiding cable conductor. ing.
[0017]
On the other hand, the above-described conductor holding portion 7 is composed of a slit 7a that bifurcates the tip of the cable guide groove 6 and a conductor insertion hole 7b formed at the base end of the slit 7a. The diameter of the insertion hole 7b is formed to be slightly smaller than the diameter of the cable conductor to be inserted therein.
[0018]
In addition, a chamfer 6a ′, a cable insulator, or a cable conductor so as to be easily attached to the upper edges of the first groove 6a, the second groove 6b, and the conductor fitting insertion hole 7b. 6b 'and 7b' are applied (FIG. 2).
[0019]
Next, the operation of the connector 1 described above will be described.
[0020]
In order to attach the cable conductor 11 of the extra-fine cable 10 to the cable holder 2 described above, as shown in FIG. 3, the tip 11a of the cable conductor 11 extended from the end of the extra-fine cable 10 is inserted into the conductor insertion hole. 7b is inserted. At that time, the diameter of the conductor insertion hole 7b is slightly smaller than the diameter of the cable conductor 11, so that it cannot be inserted as it is, but the diameter of the conductor insertion hole 7b is expanded by the slit 7a. Since it is flexible, the diameter of the conductor insertion hole 7b is slightly expanded with elasticity by the slit 7a. For this reason, the conductor insertion hole 7b is inserted into the cable conductor tip 11a, and then the cable conductor tip 11a is applied with strong force. Hold and support with.
[0021]
As described above, after the cable conductor 11 of the cable 10 is installed in the conductor insertion hole 7b, the cable 10 is bent to the right by about 90 degrees as indicated by the arrow C, and then, as shown in FIG. Ten insulator portions 10a are fitted into the first groove portion 6a, and the cable conductor 11 except the tip 11a is fitted into the second groove portion 6b.
[0022]
Thus, when the cable 10 is mounted in the cable guide groove 6, it is mounted in the cable holder 2 with the cable conductor 11 exposed, so that the exposed cable conductor 11 itself can be used as a male contact.
[0023]
Note that the procedure for mounting the cable 10 in the cable guide groove 6 is not limited to the above-described procedure. For example, after the tip 11a of the cable conductor 11 is bent in advance to approximately 90 degrees, the tip 11a of the cable conductor is connected to the conductor. Of course, it is possible to simultaneously mount the insulator 10a into the first groove 6a and the cable conductor 11 into the second groove 6b, respectively, into the insertion hole 7b, and the mounting procedure is not limited.
[0024]
FIG. 5 is a partially broken plan view showing a state in which the above-described plurality of extra-fine cables 10 are respectively installed in the corresponding cable guide grooves 6.
[0025]
As shown in FIG. 5, a socket having a plurality of female contacts 4 corresponding to each cable conductor 11, as indicated by an arrow C, is attached to a cable holder 2 in which a plurality of cables 10 are respectively installed in corresponding cable guide grooves 6. When moved in five directions, the cable holder 2 is mounted in the socket 5 as shown in FIG.
[0026]
Thus, when the cable holder 2 is mounted in the socket 5 having the plurality of female contacts 4 corresponding to the respective cable conductors 11, the cable guide groove 6 of the cable holder 2 as shown in FIG. Is inserted between the tuning fork tips 4a and 4b constituting the female contact 4. Thus, when the cable guide groove 6 is fitted between the tuning fork type tips 4a and 4b, the corresponding cable in which the upper tip 4a of the tuning fork type tips 4a and 4b is disposed in the cable guide groove 6 is provided. Since the conductor 11 is press-contacted, the cable conductor 11 and the corresponding female contact 4 come into contact with each other, and electrical connection between them is achieved.
[0027]
It goes without saying that each of the other cable conductors 11 is also in contact with the corresponding female contact 4 in the same manner, and electrical connection between them is simultaneously achieved.
[0028]
In the above-described embodiment, the conductor holding portion 7 that holds the cable conductor 11 of the cable 10 has a slit 7a that bifurcates the tip of the cable guide groove 6, and a conductor fitting insertion hole that is formed at the base end of the slit 7a. 7b. However, the present invention is not limited to the above embodiment, and the conductor holding portion 7 is connected to the tip of the cable guide groove 6 as shown in FIG. 9, a cable conductor tip 11a of the cable 10 is held between the holding walls 20 as shown in FIG. 9, and thereby the cable 10 is connected to the cable. You may make it attach to the holder 2. FIG.
[0029]
The distance between the pair of holding walls 20 is slightly smaller than the diameter of the cable conductor 11. When the cable conductor tip 11 a is inserted between the holding walls 20, the holding wall 20 has a resilient force. Therefore, the cable conductor tip 11a is pinched by the pinching wall 20 with a strong force by the elastic force.
[0030]
In FIG. 9, reference numeral 20a denotes a chamfered portion formed at the upper edge of the pair of sandwiching walls 20. The chamfered portion 20a facilitates the insertion of the cable conductor tip 11a into the pair of sandwiching walls 20.
[0031]
【The invention's effect】
As described above, in the connector according to the present invention, the conductor holding portion is formed at the tip portion of the cable guide groove arranged in parallel at a predetermined pitch along the width direction, and the tip of the cable conductor of each cable is held by the corresponding conductor holding portion. Because the cable conductor itself is used as a contact, the cable conductor held between each conductor holding portion can be used as a contact. Thus, it is not necessary to carry out the wiring work by crimping or soldering, and it is possible to carry out the batch wiring, so that the wiring work of the connector can be performed very easily and erroneous wiring can be prevented.
[0032]
Further, in the connector according to the present invention, since there is no crimping part or soldering part to connect each cable conductor and each contact as in the conventional connector, the pitch between each cable conductor corresponding to the contact is further narrowed, Further miniaturization of the connector can be achieved.
[Brief description of the drawings]
FIG. 1 is a partially broken plan view showing a connector of the present invention.
FIG. 2 is a BB cross-sectional view of FIG.
FIG. 3 is a cross-sectional view showing a cable attachment procedure.
FIG . 4 is a cross-sectional view showing a cable attachment procedure.
FIG. 5 is a partially broken plan view showing a state in which a cable is attached to a cable holder.
FIG. 6 is a partially broken plan view showing a state in which the cable holder is mounted on the socket.
7 is a DD cross-sectional view of FIG. 6. FIG.
FIG. 8 is a cross-sectional view of a main part of a cable holder showing another embodiment.
FIG. 9 is a cross-sectional view of the main part of the cable holder showing a state where the cable is attached.

Claims (2)

A cable holder having a plurality of cable guide grooves formed at a predetermined pitch along the width direction, and a slit that branches the tip of the cable guide groove into two branches at each tip of the cable holder , and a base of the slit A conductor holding portion formed integrally with a conductor fitting insertion hole formed at an end and having a diameter slightly smaller than the diameter of the cable conductor for fitting and supporting the tip of the cable conductor is formed by the conductor fitting insertion hole of the conductor holding portion. A cable holder for supporting the tip of the cable conductor fitted and supported in the conductor insertion hole ;
A socket having a plurality of female contacts which are respectively inserted into the corresponding cable guide grooves, and gripping the cable conductors arranged in the cable guide grooves to make electrical connection with the corresponding cable conductors. A connector characterized by comprising. A cable holder having a plurality of cable guide grooves formed at a predetermined pitch along the width direction, and a pair of standing upright at the ends of the cable guide grooves with an interval slightly smaller than the diameter of the cable conductor. A cable holder that integrally forms a conductor sandwiching portion composed of a sandwiching wall, and sandwiches and supports the cable conductor between the sandwiching walls of the conductor sandwiching portion ;
A socket having a plurality of female contacts which are respectively inserted into the corresponding cable guide grooves, and gripping the cable conductors arranged in the cable guide grooves to make electrical connection with the corresponding cable conductors. A connector characterized by comprising.

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