JPH052380U - Laser processable connector - Google Patents

Abstract

(57) [Summary] [Purpose] To enable the connection of electric wires to the terminal board inside the housing from the outside of the housing. [Structure] A terminal board is housed in a cylindrical housing made of a material through which laser energy can be transmitted, and the electric wire connection part of this terminal board is exposed to the laser irradiation position of the housing.
At the time of connecting the electric wire to the electric wire connecting portion of the terminal plate after that, by inserting the electric wire into the electric wire connecting portion and irradiating the laser from the outside of the housing toward the laser irradiation position, the electric wire connecting portion is connected to the electric wire. Are connected by welding.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a laser processable connector.

[0002]

[Prior art]

  Traditionally, machined terminals are installed inside the housing after connecting to the wires. Was there. For this reason, the standards for the wires and terminals that can be installed are related to the housing. They are limited and their parts management is complicated. However, if the terminals are not When attached to the part, the connection of the electric wire to the terminal, that is, crimping and soldering, It cannot be done from outside the housing.

[0003]

[The purpose of the device]

  Here, the purpose of the present invention is to connect the electric wire to the terminal board in the housing. It is to be able to do it from the outside.

[0004]

[Solution of the device]

  Based on the above-mentioned object, the present invention focuses on the material permeability of laser energy, The terminal board is housed in a cylindrical housing made of a material that can transmit energy. Make sure that the wire connection part of the terminal plate of is facing the laser irradiation position of the housing. Insert the wire into the wire connection part when connecting the wire to the wire connection part of the terminal board with Laser from the outside of the housing to the laser irradiation position. Thus, the electric wire is connected to the electric wire connecting portion by welding.

[0005]   Here, the terminal board is a housing made of a material that is at least partially laser permeable. The wires that have been stored in advance and should be connected to the In a subsequent step, it is inserted into the terminal board inside the housing. Therefore, the terminal board and the electric wire It does not have to be connected in advance, so the combination of The points can be set arbitrarily.

[0006]

【Example】

  FIG. 1 shows a laser-machineable connector 1 of the present invention. This laser The machinable connector 1 is composed of a housing 2 and a terminal plate 3, and The housing 2 is made of a material capable of transmitting laser energy, for example, transparent plastic. This is a cylindrical molded product of, for example, while internally positioning the female terminal plate 3 It is stored in the state.

[0007]   The terminal plate 3 is made of a conductive material, and the contact portion 4 at one end is provided in the housing. 2 and the electric wire connecting portion 6 at the other end is inserted into the electric wire of the housing 2. It is located at the entrance 7. Then, the electric wire connecting portion 6 is used for the laser irradiation of the housing 2. It is facing the shooting position 8. Here, the portion of the laser irradiation position 8 is a house. A convex lens 9 is formed integrally with the lens 7.

[0008]   On the other hand, the electric wire 10 is, for example, a covered electric wire, and is connected to the electric wire from the electric wire insertion port 7 portion. It is inserted inside the part 6.   Then, when electrically connecting the electric wire connecting portion 6 and the electric wire 10, the laser beam 1 1 is used. The laser beam 11 is emitted from the laser irradiation position 8 Irradiation for a short time toward the joint between the electric wire connecting portion 6 and the electric wire 10 inside the ring 2. To be done.

[0009]   At this time, the energy of the laser beam 11 depends on the material of the housing 2, especially It is hardly absorbed at the laser irradiation position 8, passes through it, and is connected to the electric wire. 6 and the portion of the electric wire 10 are intensively irradiated, and gold for connecting them or solder The genus is heated to a molten state. In addition, if the wire connecting portion 6 The wire is attached to the tip of the electric wire 10 or supplied to the connection position when connecting. It

[0010]   At this time, since the laser irradiation position 8 is composed of the convex lens 9, The laser beam 11 is directed toward the connection point of the wire connecting portion 6 in the process of passing through the convex lens 9. It converges intensively. Thereby, the wire connecting portion 6 and the wire 10 or half The connecting metal such as rice field becomes molten state directly or by using the joining metal as a medium, The electrical connection is established.

[0011]   During this irradiation, a part of the laser beam 11 hits the electric wire connecting portion 6 and is reflected. Even if it is emitted, the secondary energy due to the reflection is transmitted through the housing 2. Therefore, the inner surface of the housing 2 is hardly adversely affected.

[0012]   According to the laser processing as described above, the terminal board 3 and the electric wire 11 are connected in advance. Since it does not need to be present, the combination of the terminal board 3 and the electric wire 10 should be the final connection step. Depending on the application, take into consideration the thickness and standard of the electric wire, and the coloring of the coated part. You can choose at will.

[0013]   Also, unlike the conventional crimping and soldering, mechanical force is applied at the electrical connection stage. Since it does not act on the wire connecting portion 6, the bending of the material due to local stress of the material or bending Are not present at all, and their connecting parts are in a mechanically and electrically stable state. It

[0014]   Furthermore, the terminal plate 3 is stored in the housing 2 in a pre-positioned state, On the other hand, the electric wire 10 to be connected is inserted, and they are integrated and easy to handle. Therefore, the terminal board 3 needs taping, positioning, and other means. Instead, it can be continuously supplied to a laser processing device or the like. Therefore, the terminal Connection processing can be performed automatically and efficiently.

[0015]

[Other Examples]

  In the above embodiment, as an example, the terminal plate 3 is pressed into the housing 2 to Although the terminal board 3 is inserted by utilizing the elastic deformation of the material, Insertion molding or the like is used for the combination of the terminal and the terminal plate 3 in the positioned state. You may integrate by doing.

[0016]   Further, the housing 2 does not have to be composed of one molding member, and for example, It is divided into two parts, the main body part and the lid part that is combined with it by press fitting etc. You may stay. And the laser transparency is at least only at the laser irradiation position 8. Is enough.

[0017]

[Effect of device]

  According to the present invention, the housing and the terminal board are pre-assembled in the assembled state. Therefore, they can be handled as a unit, and the terminals inside the housing The plate and the wire do not have to be connected in advance, and both can be combined at the connection stage. The housing is exposed to a laser beam from outside the housing. Since the terminal board inside the group and the electric wire can be easily connected, the mechanical Force, local stress, etc. do not occur, resulting in an electrically stable connection state, etc. A unique effect can be obtained.

[0018]   Of course, since the housing is tubular, you can store the terminal board inside and In the final use state of the It prevents the deterioration of the characteristics of the air connection state.

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view of a laser processable connector.

[Explanation of symbols]

1 Laser processable connector 2 housing 3 terminal board 4 contact part 5 openings 6 Wire connection 7 Wire insertion port 8 Laser irradiation position 9 convex lens 10 electric wires 11 laser beam

Claims (3)

[Scope of utility model registration request] 1. A terminal plate made of a conductive material is integrally formed with a contact portion for a counterpart terminal and an electric wire connection portion for external lead-out, and the terminal plate is inside a cylindrical housing made of a material capable of transmitting laser energy. Housing, the contact part faces the opening of the housing, the wire connection part is located in the wire insertion port of the housing, and the connection part between the wire connection part and the wire held by the wire connection part is the laser of the housing. A laser-processable connector characterized by facing the irradiation position. 2. The laser processable connector according to claim 2, wherein at least a portion of the housing at a laser irradiation position is made of a material having a high laser transmittance. 3. The laser processable connector according to claim 1, wherein the portion of the housing at the laser irradiation position is formed by a convex lens integrated with the housing.