KR100285202B1 - Connector Pin And Manufacturing Method Thereof - Google Patents

Abstract

The present invention relates to a connector pin and a method for manufacturing the same, the body portion forming a whole circle, at least one side of the body portion is composed of a terminal pin and the other side crosswise to the insertion pin to elastically insert the insertion pin And a cut cross groove and an elastic piece formed by the formation of the cross groove, the center portion of the elastic piece of the connector pin consisting of the insertion pin insertion groove, protruding jaw protruding inward to a predetermined portion of the elastic piece; , The outer surface corresponding to the protruding jaw is characterized in that the R ring formed of at least one concave concave groove. Therefore, when the connector pin is machined, the mechanical part of the tension ring is mechanically rolled to achieve a uniform tensioning effect, resulting in an excellent insertion force and pull-out force of the insertion pin. This has a useful effect.

Description

Connector Pin And Manufacturing Method Thereof}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector pin mounted on an electric / communication device for inputting and outputting an electrical signal, and a method for manufacturing the same. Particularly, a connector pin having an R-ring formed to improve the coupling force between the connector pin and the insertion pin, It relates to a manufacturing method.

In general, connectors are connection ports for electrically connecting electric wires, circuit devices, and the like, and are used to transmit electrical signals.

Then, a conventional connector pin and its manufacturing method will be described with reference to the accompanying drawings.

Figure 1a is a plan view showing a connector according to the prior art, Figure 1b is a partially cut cross-sectional view showing the connector according to the prior art. 2A and 2B are cross-sectional views showing connector pins according to the prior art.

As shown in FIG. 1A, the connector has a main body 10 having a plurality of connector pinholes 14 formed therein for fitting the plurality of connector pins 30, and formed on both sides of the main body 10. 10 and the fixing bolt 40 for fixing the socket (not shown).

As shown in FIG. 1B, the insertion pin 20 inserted into the connector pin 30 and electrically conducting is coupled to the insertion groove 32 of the connector pin 30. Next, the connector pin 30 according to the prior art will be described with reference to FIGS. 2A and 2B.

The shape of the connector pin 30 shown in Figure 2a is made of a cylindrical body portion 36, the insertion groove 32 is formed so that the insertion pin 20 can be inserted. In addition, a cross groove 34 cut to a cross shape (+) by a predetermined length is formed around the body portion 36 of the connector pin 30.

Here, the cross groove 34 formed in the connector pin 30 has a connector to improve the tension action when the insertion pin 20 shown in FIG. 1B is inserted into the cross groove 34 as shown in FIG. 2B. The inlet of the pin is characterized in that it is narrowed by the retracting operation.

The operation of the connector pin conventionally made of the above configuration will be described.

As shown in FIG. 1B, the connector pins 30 are inserted into a plurality of connector pinholes 14 formed at regular intervals in the main body 10 of the connector 100, and the insertion pins 20 for electrically energizing the connector pins are connected to the connector pins. It is coupled to the insertion groove (32) of the (30).

At this time, the cross groove 34 formed in the connector pin 30 is the insertion pin 20 is the insertion groove 32 of the connector by the tension action of the terminal pin 22 of the insertion pin 20. Tighten the role of improving the binding force

3 is a process flowchart of the connector pin according to the prior art, the manufacturing method thereof will be described as follows.

In the conventional method for manufacturing a connector pin, first, the workpiece material is set in a predetermined machine tool, and then centering is performed (S 102). In order to insert the centered connector pins 30, the insertion grooves 32 are drilled using a drill (S 104), and the outer shape of the connector pins 30 in which the insertion grooves 32 are formed is processed into a predetermined shape. Cut into pieces (S 106). The cut connector pins 30 are cut in a cross shape to give elasticity to the side of one semi-finished pin (S 108).

At this time, the entirety of the connector pin 30 having the cross grooves 34 formed therein is polished (S 110) and inner diameter treatment (S112), and then subjected to surface treatment (plating) (S114) for electrical performance. The operation (S116) to give a contact function. After that, the manufacturing process is completed by inspecting the processing state and the retracting operation of the connector pin 30 made by the above process (S118).

However, in the conventional connector pin and the manufacturing method thereof having the above-described configuration, in order to improve the bonding force between the connector pin and the insertion pin, a retracting operation that imparts a tension action is additionally performed to increase the processing time of the manpower and the terminal. There was a problem. In addition, it is difficult to uniformly adjust the tension of the pin during the retracting operation, there was a problem that the defective rate of the product is high.

Accordingly, the present invention was devised to solve the above problems, and an object of the present invention is to provide a connector pin that improves insertion force and pull-out force by uniformly tensioning by mechanically giving an R-ring to a tension portion during processing of the connector pin. It is to provide a manufacturing method.

1A is a plan view showing a conventional connector

Figure 1b is a partial cut cross-sectional view showing a conventional connector

2A and 2B are cross-sectional views showing conventional connector pins.

3 is a process flowchart of a conventional connector pin

Figure 4 is an exploded perspective view showing a connector pin according to the present invention

Figure 5a is a cross-sectional view showing a connector pin according to the present invention

Figure 5b is a perspective view of the connector pin according to the present invention

Figure 5c is a perspective view showing another embodiment of the connector pin according to the present invention

6 is a process flowchart of the connector pin according to the present invention.

Explanation of symbols on the main parts of the drawings

10: main body 14: connector pinhole

20: insertion pin 22,37: terminal pin

30: connector pin 32: insertion groove

34: cross groove 35: terminal piece

36: body portion 38: concave groove

39: protruding jaw 40: bolt

100: connector

Connector pin according to the present invention for achieving the above object, the body portion is formed as a whole, at least one side of the body portion is composed of a terminal pin and the other side cross-shaped in the transverse direction to elastically insert the insertion pin A cross groove cut into the cross groove, and an elastic piece formed by the formation of the cross groove, and a central portion of the elastic piece is a connector pin composed of an insertion pin insertion groove, and a protruding jaw protruding inward to a predetermined portion of the elastic piece. And, the outer surface corresponding to the protruding jaw is characterized in that the R ring is made of at least one concave concave groove.

The method of manufacturing a connector pin according to the present invention comprises the steps of setting and centering a workpiece material on a predetermined machine tool;

Drilling an inner diameter hole for inserting an insertion pin using a drill at one side of the centered connector pin;

Forming at least one R ring by using a jig at a predetermined portion where the inner diameter hole is formed;

Smoothly processing and cutting the outer shape of the R-ringed connector pins separately;

Cutting the plurality of side portions of the connector pins formed with the inner diameter holes and R-ringed to give elasticity;

Polishing and internalizing the connector pins;

And surface-treating and plating the connector pins.

Therefore, even when the connector pin is processed, mechanical tensioning is performed on the tension part to achieve uniform tensioning effect, so the insertion pin and pull-out force of the insertion pin are excellent. This has a useful effect.

Hereinafter, a connector pin and a method of manufacturing the same according to the present invention will be described with reference to the accompanying drawings. For the sake of simplicity, the same reference numerals are used for the same parts as the conventional description to avoid descriptive clutter.

4 is an exploded perspective view showing a connector pin according to the present invention, Figure 5a is a cross-sectional view showing a connector pin according to the present invention, Figure 5b is a perspective view showing a connector pin according to the present invention. 5C is a perspective view showing another embodiment of the connector pin according to the present invention.

As shown in FIG. 4, the connector pin 30 has an insertion groove 32 formed in the body portion 36 drilled by a drill operation. The insertion pin 20 shown in Figure 1a is inserted. And the shape of the connector pin 30 shown in Figure 5a consists of a cylindrical body portion 36, in the cross shape (+) shape by a predetermined length around the body portion 36 of the connector pin 30. A cut cross groove 34 is formed.

As shown in FIGS. 5A and 5B, the cut cross groove 34 has a terminal piece 35 formed to have an elastic force of the pin when the insertion pin 30 is inserted into the insertion groove 32. In addition, a concave groove 38 formed by the R-ring is formed on the outer circumferential surface of the body portion 36 of the connector pin 30 to help uniform tension action.

At this time, a protruding jaw 39 protruding as much as a portion into which the concave groove 38 enters is formed in the insertion groove 32 opposite to the concave groove 38 formed by the R ring using the jig JIG.

The operation of the connector pin according to the present invention having the above configuration will be described with reference to the illustrated drawings.

First, as shown in FIG. 4, the insertion pin 20 inserts the terminal pin 37 of the connector pin 30 into the insertion groove 14 formed in the main body 10 of the connector 100, and then performs electrical energization. Is inserted into the insertion groove (32) of the connector pin (30).

At this time, by the elastic force due to the cross groove 34 formed in the body portion 36 of the connector pin 30 is flexibly inserted toward the insertion groove (32). In addition, the protruding jaw 39 formed in the insertion groove 32 generates a more tight connection force by the tension action of the body portion 36.

In addition, by giving a mechanical R ring for the tension action to the body portion 36 of the connector pin 30, uniform insertion force and pulling force are maintained when the insertion pin is inserted.

Figure 5c shows another embodiment of the present invention, by making one or a plurality of R-ring reinforcement of the insertion pin 20 and the projecting jaw (39) part is made uniform tension and connection force is made.

A manufacturing method of the connector pin according to the present invention will be described with reference to FIG. 6, which shows a process diagram of the connector pin in the accompanying drawings.

First, the workpiece material is set in a predetermined machine tool and centered (S202).

In order to insert an insertion pin into one side of the centered connector pin, an inner diameter hole is drilled using a dring (S204). At this time, the R-ring using a jig for the uniform tension action of the connector pin (S206). The outer shape of the R-ringed connector pin is processed into a predetermined shape and cut into pieces (S208).

In order to give elasticity to the side of the connector pin cut individually, it is cut in a cross shape (S210). Next, the entirety of the connector pins are polished and internally treated (S214). Then, the surface treatment and plating are performed for the electrical performance of the connector pin, thereby finally completing the process (S216).

As described above, according to the connector pin and the method of manufacturing the same according to the present invention, since the uniform tension action is achieved by mechanically R-ringing the tension portion during machining of the connector pin, the uniform insertion force and the pulling force of the insertion pin are increased. Excellent and shorten the tension banding and inspection process has a useful effect in productivity improvement and cost reduction.

In addition, various modifications, changes, additions, etc. will be possible within the spirit and scope of the present invention, and such modifications should be regarded as belonging to the following claims.

Claims (2)

A body portion which is generally circular, and at least one side of the body portion is composed of a terminal pin and the other side is formed by the cross-shaped groove cut in the cross-sectional view in the transverse direction in order to elastically insert the insertion pin, the formation of the cross groove In the connector pin having an elastic piece, the central portion of the elastic piece consisting of an insertion pin insertion groove, And a protruding jaw protruding inward to a predetermined portion of the elastic piece, and an outer surface corresponding to the protruding jaw comprises at least one R ring formed of a concave concave groove. Setting and centering the workpiece material to a predetermined machine tool; Drilling an inner diameter hole for inserting an insertion pin using a drill at one side of the centered connector pin; Forming at least one R ring by using a jig at a predetermined portion where the inner diameter hole is formed; Smoothly processing and cutting the outer shape of the R-ringed connector pins separately; Cutting the plurality of side portions of the connector pins formed with the inner diameter holes and R-ringed to give elasticity; Polishing and internalizing the connector pins; And surface-treating and plating the connector pins.