A jack with a hollow columnar contact has a housing, which holds the hollow columnar contact firmly and the front end of the hollow columnar contact does not deflect readily. The insulating housing 1 comprises a plug connection opening 61, which a mating plug 65 is inserted into, a first insertion
A jack with a hollow columnar contact has a housing, which holds the hollow columnar contact firmly and the front end of the hollow columnar contact does not deflect readily. The insulating housing 1 comprises a plug connection opening 61, which a mating plug 65 is inserted into, a first insertion chamber 9 having the plug connection opening 61, and a first opening 14 in communication with the contact insertion chamber 9. The hollow columnar contact 3 is inserted along an axial direction into the first insertion chamber from the first opening 14. A cylindrical main contact body 3a is held by the first opening 14. A press-fit pin 6, arranged with a small-diameter axial part 6a, a large-diameter axial part 6b, and a head part 6c having an outer diameter is press-fitted into the cylindrical main contact body 4a.
대표청구항▼
What is claimed is: 1. A jack comprising: an insulating housing and a hollow columnar contact; wherein the insulating housing comprises: a plug connection opening into which a mating plug is inserted; a contact insertion chamber having an opening of the plug connection opening; and a contact insert
What is claimed is: 1. A jack comprising: an insulating housing and a hollow columnar contact; wherein the insulating housing comprises: a plug connection opening into which a mating plug is inserted; a contact insertion chamber having an opening of the plug connection opening; and a contact insertion opening being disposed opposite to the plug connection opening, the contact insertion opening communicating with the contact insertion chamber; wherein the hollow columnar contact being conductive is inserted along an axial direction thereof into the contact insertion chamber from the contact insertion opening, wherein the jack holds a cylindrical main contact body of the hollow columnar contact at the contact insertion opening of the housing; wherein a press-fit pin is press-fitted inside the cylindrical main contact body, wherein the hollow columnar contact is a contact with a hollow and columnar shape, and is connected to a dedicated lead wire by crimping at a crimp part, wherein the hollow columnar contact comprises a pair of L-shaped tongues provided in a vicinity of a base part of the hollow columnar shape, the base part being provided toward the crimp part; and wherein the contact insertion opening, into which the hollow columnar contact is inserted along the axial direction, comprises; a first latching part being provided in a vicinity of the contact insertion opening, the first latching part engaging with the pair of L-shaped tongues and restrains the rotation of the hollow columnar contact about the axial direction; a second latching art to contact with the pair of L-shaped tongues as the hollow columnar contact is inserted into the contact insertion opening such that the hollow columnar contact is stopped at a predetermined position, wherein the hollow columnar contact further comprises a column connecting base part and an engaging base part in a vicinity of the base part of the hollow columnar contact toward the crimp part, wherein the contact insertion opening of the housing further comprises a third latching part for contacting with the engaging base part so as to prevent the hollow columnar contact from falling off the housing, wherein the press-fit pin comprises a small-diameter axial part having an outer diameter smaller than the inner diameter of the cylindrical main contact body, a large-diameter axial part having an outer diameter for a "medium fit" of fit quality with the inner diameter of the cylindrical main contact body, and a head part having an outer diameter larger than the outer diameter of the large-diameter axial part such that the outer diameter pushes and spreads the pair of L-shaped tongues, and wherein the small-diameter axial part, the large-diameter axial part, and the head part are arranged to be coaxial, and the press-fit pin is press-fitted into the cylindrical main contact body. 2. The jack according to claim 1, wherein the press-fit pin is formed of hard metal of good electroconductivity. 3. An electrical device equipped with the jack of claim 1. 4. A jack comprising: a columnar contact of a columnar shape and an insulating housing which houses the columnar contact; wherein the insulating housing comprises: a plug connection opening, into which a mating plug is inserted; a contact insertion chamber for receiving the mating plug to be inserted from the plug connection opening; and a contact insertion opening being in communication with the contact insertion chamber via a cylindrical passage that has a cylindrical shape of predetermined length and being provided as opposed to the plug connection opening; wherein the columnar contact comprising is a cylindrical hollow part is in a hollow columnar shape with conductivity and is inserted along an axial direction into the contact insertion chamber from the contact insertion opening, wherein the contact insertion opening and the cylindrical passage have inner diameters of substantially the same size, which is substantially the same as or slightly larger than the outer diameter of the columnar contact so as to enable the columnar contact to be inserted readily, and wherein a press-fit pin is press-fitted into the hollow part of the hollow columnar shape of the columnar contact, wherein the columnar contact comprises: a crimp part to be connected by crimping with a lead wire: and a pair of L-shaped tongues being provided in a vicinity of a base part of the hollow columnar shape being provided toward the crimp part; wherein the contact insertion opening, into which the hollow columnar contact is inserted along an axial direction, comprises: a first latching part being provided in a vicinity of the contact insertion opening, the first latching part engaging with the pair of L-shaped tongues so as to restrains rotation of the hollow columnar contact about the axial direction; and a second latching part to contact with the pair of L-shaped tongues as the hollow columnar contact is inserted into the contact insertion opening to stop the hollow columnar contact at a predetermined position, wherein the columnar contact further comprises a column connecting base part and an engaging base part in a vicinity of the base part, wherein the contact insertion opening of the housing further comprises a third latching part for latching onto the engaging base part and thereby preventing falling-off of the columnar contact from the housing, and wherein the press-fit pin comprises a small-diameter axial part with an outer diameter smaller than the inner diameter of the hollow part; a large-diameter axial part with an outer diameter that is substantially the same as or slightly larger than the inner diameter of the hollow part; and a head part with an outer diameter having a larger outer diameter than that of the large-diameter axial part such that the outer diameter is inserted to push and spread the pair of L-shaped tongues, wherein the small-diameter axial part, the small-diameter axial part, and the head part are provided in the order from a front end of the pin in the insertion direction to be coaxial. 5. The jack according to claim 4, wherein the press-fit pin is provided with a large-diameter axial part with an outer diameter that is substantially the same as or slightly larger than the inner diameter of the hollow part of the columnar contact, wherein the columnar contact comprises: a crimp part being connected by crimping with a lead wire: and a pair of L-shaped tongues being provided near a base part of the hollow columnar shape toward the crimp part; wherein the contact insertion opening, into which the hollow columnar contact is inserted along an axial direction, comprises: a first latching part being provided in a vicinity of the contact insertion opening, the first latching part engaging with the pair of L-shaped tongues so as to restrains rotation of the hollow columnar contact about the axial direction; and a second latching part to contact with the pair of L-shaped tongues as the hollow columnar contact is inserted into the contact insertion opening to stop the hollow columnar contact at a predetermined position, wherein the columnar contact further comprises a column connecting base part and an engaging base part in a vicinity of the base part, wherein the contact insertion opening of the housing further comprises a third latching part for latching onto the engaging base part and thereby preventing falling-off of the columnar contact from the housing, and wherein the press-fit pin comprises a small-diameter axial part with an outer diameter smaller than the inner diameter of the hollow part, a large-diameter axial part with an outer diameter that is substantially the same as or slightly larger than the inner diameter of the hollow part; and a head part with an outer diameter having a larger outer diameter than that of the large-diameter axial part such that the outer diameter is inserted to push and spread the pair of L-shaped tongues, wherein the small-diameter axial part, the small-diameter axial part, and the head part are provided in the order from a front end of the pin in the insertion direction to be coaxial. 6. An electrical device equipped with the jack of claim 4.
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이 특허에 인용된 특허 (5)
Shiga Katsumi,JPX ; Kitamura Hiroshi,JPX ; Shinohara Toshio,JPX ; Yamagami Hidehisa,JPX, Air bag connector.
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