KR200347861Y1 - Assembly of cable for TNC - Google Patents

Abstract

The present invention relates to the assembly structure of the RF TNC-type connector and coaxial cable, the female pin is applied to the present invention is formed on the one end to connect the male pin to the connector of the other side, the other side is to be directly coupled to one end of the cable Consists of a structure in which a conductor insertion groove is formed. In addition, the female pin has a straight ring is formed around the center to prevent the front and rear of the cable rotation, and the male pin connecting portion has a barb-like feature. In addition, the cable is characterized in that the conductive pipe is fixedly attached so that it can be directly soldered on the substrate around the other end. According to the present invention, it is possible to minimize the loss of electrical property values and prevent the short circuit of the cable when connecting to the other product connector, as well as to improve the structural stability between each connection part and reduce the production cost.

Description

Assembly structure of TNC cable {Assembly of cable for TNC}

The present invention relates to a cable assembly (cable assembly) applied to the terminal node connector (TNC), in particular, 50 ohm impedance for cables used in wireless local loop (WLL) and various communication, electronics The present invention relates to an assembly structure of a TNC cable having a female connector part of an RF (Radio Frequency) coaxial connector type using a coaxial cable.

The wireless subscriber line is composed of a wireless system instead of a wired line, which connects the telephone company and the subscriber's terminal.In the early 1970s, the ATT Bell Research Center was designed to minimize the cost of installing a telephone in a low-density rural and rural area. It is proposed.

As shown in FIG. 1, a TNC includes a male connector 1 of a counterpart product having a male pin 1 having a predetermined length, and a male pin connecting portion having a predetermined depth so that the male pin 1 is inserted. (3) formed of a female connector portion 4, wherein the male connector portion 2 and the female connector portion 4 are coupled to each other by a screw method, and the inner portion is connected by a pin contact to each other. As a device capable of transmitting and receiving radio signals, it is characterized by easy connection and maintenance.

In the conventional TNC cable, as shown in FIG. 2, a male pin connecting portion 3 is formed on one side of the female pin 5 constituting the female connector 4, and the other side of the female pin 5 is formed on the other side of the female pin 5. The conductor 8 and the braided line 8a of the conductor 9 and the cable 9 of the cable 9 fixed to the coupling pin 7 and the coupling pin 7 are formed in the conductor insertion groove 6 by forming the conductor insertion groove 6. ) Is configured to be connected through a double-connected mail connector (2) of the product you want.

At this time, the cable (9) after the conductor (8) is soldered in the coupling pin (7) and the coupling pin (7) is inserted into the conductor insertion groove (6) defects again, the conductor (8) of the cable (9) ) And the conductor insertion groove 6 have problems such as loss of electrical characteristic values and contact short of the conductor 8 or the braided wire 8a.

In addition, a coaxial connector 10 is formed at the other end of the cable 9, and the coaxial connector 10 has a coupling part 13 having a conductor 8 protruding from a lower portion of the substrate 11, for example. It is connected by soldering in the form of a male and female connector for contact soldering to the insertion part 12 formed on a printed circuit board (PCB). In this case, the structural stability between the connector 10 and the substrate 11 is reduced overall. Of course, there is a disadvantage in that the cost of manufacturing additional connector parts of the coaxial connector 10 and the substrate 11 inserting portion 12 is increased.

The present invention is to solve such a conventional problem, one end of the cable is directly connected through the conductor insertion groove of the female body consisting of an integrated pin, the other end by attaching a conductive pipe around the solder joint directly on the substrate The aim is to provide a TNC cable assembly that prevents loss of electrical properties and short circuits when connecting connectors, as well as improving overall structural stability and reducing production costs.

The assembly structure of the TNC cable of the present invention for achieving the above object is a body having a female pin therein to connect to the product connector, and a predetermined length attached to the body and the substrate to transmit and receive electrical signals between products A cable, the cable being attached with a pipe of a predetermined length such that the conductor and the braided wire of the cable are connected by soldering directly to the substrate to improve structural stability in connection with the substrate around one end thereof, and The female pin is composed of a single body formed at both sides of the conductor insertion groove and the male pin connecting part to which the other end product connector is connected so that the conductors of the cable are directly coupled to prevent the loss of electrical property values. Linear bearings are formed around the center to prevent rotation of the female pin. When, the mail connection pin is characterized by consisting of a barb-like so as to prevent longitudinal advance of the female pin.

1 is a coupling structure of the male (male) connector and the female (female) connector of the conventional TNC connector.

Figure 2 is a partial cross-sectional view showing a schematic structure of a conventional TNC female connector and cable.

Figure 3 is a partial cross-sectional view showing the structure of the TNC cable according to the present invention.

Figure 4 is a partial cross-sectional view showing a female pin of the TNC cable according to the present invention.

5 is a detail view of portion A of FIG.

Explanation of symbols on the main parts of the drawings

21; Body 22; Insulation

23; Fixed ring 24; Female pin

25; Washer 26; Fixing Nut

27; Junction tube 28; cable

29; Pipe 30; Conductor

31; Braided line 32; Conductor Insertion Groove

33; Mail pin connection 34; Joint

Hereinafter, with reference to the accompanying drawings an embodiment of the TNC cable according to the present invention in detail as follows.

Figure 3 is a partial cross-sectional view showing the structure of the TNC cable according to the present invention, Figure 4 is a partial cross-sectional view showing a female pin of the TNC cable according to the present invention, Figure 5 is a detailed view of the portion A of FIG.

3 to 5, the TNC cable according to the present invention is a body 21 having a predetermined length and diameter so as to connect to the other product connector (not shown), and a circuit board in the product (for example, PCB ) And a coaxial cable 28 configured to have a predetermined length and diameter for connecting a counterpart product connector, and a female pin fixedly mounted to connect the corresponding product and the counterpart product to the inside of the body 21. 24) is configured to include.

The cable 28 is a coaxial cable, the outer cover 41 of the rubber material is covered on the outer periphery, the inner center is covered with an insulator 42, the conductor 30 is embedded to provide an electrical connection function, The braided wire 31 is interpolated between the conductor 30 and the insulator 42 to prevent generation of electrical noise.

The female pin 24 is a single body, and a conductor insertion groove 32 having a predetermined depth is formed on one side (right side in the drawing) to insert and fix the conductor 30 of one end of the cable 28, and the other side (on the drawing). On the left side), a male pin connecting portion 33 is formed to insert and couple a male pin (not shown) of the other product connector. At this time, it is preferable that the braided wire 31 of the cable 28 inserted into the conductor insertion groove 32 is coated with silver foil having electrical properties considered around the short circuit to prevent a short.

In addition, the female pin 24 has a rugged straight ring 35 formed around the center to prevent rotation of the cable 28 coupled to the conductor insertion groove 32, and at the same time, the cable 28 It is preferable to configure the male pin connecting portion 33 in a barb shape so as to prevent the sliding phenomenon in the front-back direction.

The body 21 has a helical coupling portion 34 is formed on the outside to be coupled to the connector of the counterpart product, there is a space of a predetermined size so that the female pin 24 is fixedly mounted.

In addition, the body 21 on one side (right side in the drawing) wrapped around the cable 28 coupled to the conductor insertion groove 32 of the female pin 24 to securely fixed to prevent unexpected degassing of the cable 28 Bonding tube 27 made of rubber or the like is bonded to the inner surface of the body 21 space to prevent short or short-circuit of the conductor 30 of the cable 28 and the braided wire 31 to prevent electrical stability of the connector. Insulating material 22 of the insulating material is mounted so as to be in close contact with the outer peripheral pin 24 pin to improve the.

In addition, the body 21 has a predetermined diameter having an insertion hole (not shown) having a predetermined size to match the diameter of the insulating portion 22 in the center to facilitate insertion and fixing of the female pin 24. The fixing ring 23 is interpolated.

In addition, the coupling portion 34 of the body 21 is provided with a washer 25 and the fixing nut 26 for coupling and fixing with the other product connector.

On the other hand, the other end of the cable 28 is easy to be fixed by soldering when connected to the substrate, etc. in the product, as well as to prevent the short of the conductor 30 and the braided wire 31 is preferably fixed and mounted easily. A pipe 29 having a predetermined length of a hexagonal conductive material is inserted into and fixed on the outer coating 41 in a form of being in close contact with the braided wire 31.

The manufacturing method and the method of use of the TNC cable configured as described above are described in detail.

First, an insulator 42 made of an insulating material is coated around the connecting conductor 30 having a predetermined length, and a braided wire 31 having an appropriate size is formed around the insulator 42, and then the braided wire 31 is formed. The outer cover 41 made of rubber material is covered on the periphery to make a coaxial cable for connection.

Thereafter, the outer coating 41 of one end of the cable 28 is removed so that the inner conductor 30 and the braided wire 31 protrude a predetermined length, and the removed portion is inserted into the conductive pipe 29 and then the substrate. Soldering directly on top allows the pipe 29 and conductor 30 to be fixedly coupled onto the substrate.

At this time, the conductor 30 is protruded a predetermined length and is easy to solder, and since the braid wire 31 is also in direct contact with the pipe 29, the braid wire 31 is connected to the substrate by soldering the pipe 29. You get the same effect as

In addition, the conventional conductor insertion groove and the coupling pin is manufactured to form a female pin (24) integrally, the female pin 24 forms a straight ring (35) in the center and at the same time, the other product connector Is connected to the mail pin connecting portion 33 is configured in the shape of a bar to prevent the unexpected rotation and back and forth of the cable 28 after the production.

On the other hand, the outer coating 41 of the other end of the cable 28 is removed to a predetermined length so that the inner conductor 30 partially protrudes, and is coated with silver foil around the braided wire 31.

Thereafter, the other end of the cable 28 is inserted into one side of the female pin 24, and the female pin 24 is inserted into the inner space of the body 21 through an insertion hole (not shown) of one side of the body 21. By the fixing ring 23 mounted inside the body 21 to ensure that the female pin 24 is firmly fixed.

At this time, the connection part of the cable 28 and the body 21 is inserted into the joint tube 27 made of rubber material or the like so as to prevent double separation of the cable 28 and the body 21. In addition, the body 21 is equipped with an insulating part, when the cable 28 is inserted, the female pin 24 is in close contact with the insulating part 22, the short and short circuit of the conductor 30 and the braided wire 31, etc. This prevents the stability is improved.

Then, the body 21 is inserted into the connector of the mechanism used to connect the other product and the cable 28, and then the fixing nut 22 and washer 25 of the outer coupling portion 34 of the body 21 It can be fixed firmly with each other.

The present invention described above has been described with reference to specific embodiments, but the present invention is not limited thereto, and modifications and variations are possible within the scope of the basic idea of the present invention.

As described above, according to the assembly structure of the TNC cable according to the present invention, by attaching a conductive pipe to one end of the cable to be directly soldered to the substrate, the structural stability during connection is improved, and a separate connector component Since it is not necessary, there is an advantage of reducing the manufacturing cost.

In addition, the female pins are simultaneously applied to straight pinning and barb shapes, and are made of a unitary structure of the conductor insertion groove and the mail pin connecting portion in which the conductor insertion grooves are integrally formed. It is possible to prevent the rolling, and to reduce the loss of the electrical characteristic value can achieve a quality stabilization and improved productivity.

Claims (1)

A body 21 having a female pin 24 therein for connecting to a product connector, and a cable 28 having a predetermined length attached to the body 21 and a substrate to transmit and receive electrical signals between products. , The cable 28 is a predetermined length of conductors such that the conductor 30 of the cable 28 and the braided wire 31 are connected by direct soldering to the substrate to improve structural stability in connection with the substrate around one end thereof. Pipe 29 is attached, The female pin 24 is a male pin connecting portion to which the conductor insertion groove 32 integrally formed so that the conductor 30 of the cable 28 is directly coupled to prevent the loss of electrical characteristic values, and the other product connector ( 33) is formed of a single body formed on both sides, and the linear pin ring portion 35 is formed around the central portion to prevent rotation of the female pin 24 when the mating product connector is coupled, the male pin connecting portion 33 The assembly structure of the TNC cable, characterized in that it is configured in the barb shape to prevent the front and rear of the female pin 24.