KR20080015326A - Connector of coaxial cable and connecting assembly of coaxial cable including the same - Google Patents

Abstract

A coaxial cable connector and a coaxial cable connecting assembly comprising the same are provided to prevent a device-joined portion of a connection terminal from being damaged when a device connected to the connection terminal is moved by the connection terminal. A coaxial cable connector(200) has a central conductor(110) for transmitting a signal and an outer conductor(120) having the same axis as the central conductor. The coaxial cable connector comprises a cylindrical connector body(210) and a ring member(240). The connector body is connected to the outer conductor, wherein the connector body wraps a portion of an end of the central conductor. The ring member is disposed on an outer surface of the connector body to control horizontal expansion of the connector body.

Description

Coaxial cable connector and coaxial cable connector including the same {CONNECTOR OF COAXIAL CABLE AND CONNECTING ASSEMBLY OF COAXIAL CABLE INCLUDING THE SAME}

1 is a perspective view of a conventional coaxial cable connector,

Figure 2 is a perspective view of another conventional coaxial cable connector,

3 is a side cross-sectional view of a coaxial cable connector according to a first embodiment of the present invention;

4 is a front sectional view of the coaxial cable of FIG. 3;

5 is an enlarged view of a ring member of a coaxial cable connector according to the present invention;

6A and 6B are explanatory diagrams illustrating a connection method of the coaxial cable connector of FIG. 3 and the coaxial cable connector including the same;

7 is a side cross-sectional view of a coaxial cable connector according to a second embodiment of the present invention;

8 and 9 are side cross-sectional views showing different embodiments of the coaxial cable connector including the coaxial cable connector of FIG.

10 is a side cross-sectional view of a coaxial cable and a coaxial cable connector including the same according to a third embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: coaxial cable 110: center conductor

120: outer conductor 130: cable insulator

140: sheath

200, 200a, 200b: Coaxial cable connector 210, 210a: Connector body

213: ring member seating portion 215: outer conductor connecting portion

220: connector protrusion 221, 221a: first connector protrusion

223, 223a: second connector protrusion 240, 240a: ring member

250: insulator 270: first terminal projection engaging portion

280: second terminal projection engaging portion 600, 600a, 600b: connection terminal

610: engaging connector of the first connector 620: engaging connector of the second connector

630: center conductor insertion hole 640, 640a: first terminal projection

650, 650a: second terminal protrusion

The present invention relates to a coaxial cable connector and a coaxial cable connector, and more particularly, to a coaxial cable connector and a coaxial cable connector that can prevent damage to the device connection portion of the connection terminal.

Coaxial cable is a type of communication cable, and is a conductor having an insulated center conductor in the center of an outer conductor of a metal cylinder. Coaxial cable has a strong propagation shielding property by preventing the radio wave flowing in the cable from leaking to the outside or preventing the external radio wave from flowing into the cable. Therefore, coaxial cables are widely utilized in wired TVs, long-distance telephone networks, and the like, which use high frequency such as VHF.

On the other hand, by connecting a connector formed at the tip of the coaxial cable to a connection terminal provided in a device such as a TV, a high frequency signal is transmitted to a receiving device such as a TV. On the signal transmission path through the coaxial cable is provided a coaxial cable connecting body consisting of a connector and a connection terminal.

As shown in FIG. 1, the conventional connector 20 has a female screw 23 formed on an inner circumferential surface thereof so that a male screw (see FIGS. 6A and 6B) formed on an outer circumferential surface of a connecting terminal (see 500 of FIGS. 6A and 6B). Number 510 and screwed together. In addition, the outer surface of the connector 20 is a hexagonal surface 27 in order to easily rotate the connector 20 when engaged.

The connector 20 is screwed with the connecting terminal is very large coupling strength. Therefore, when a user accidentally moves a TV, etc. while the connector 20 and the connection terminal are coupled, the TV circuit board (P of FIGS. 6A and 6B) of the connection terminal having a relatively weak coupling strength is damaged or damaged. The connection terminal is separated from the circuit board or the contact is poor.

On the other hand, in another conventional connector 20a, as shown in Fig. 2, the thread is not formed on the inner circumferential surface, and the center conductor 11a of the connector 20a is inserted into the connection hole (Figs. 6A and 6A). By inserting 530 in 6b. Therefore, the coupling force of the connector 20a and the connection terminal (reference numeral 500 of FIGS. 6A and 6B) is weak, so that the connector 20a is easily separated from the connection terminal, causing inconvenience to the user.

Accordingly, an object of the present invention is to provide a device of a connection terminal in a case where a relatively large force is applied, such as when a user accidentally moves a device to which a connection terminal is connected, while the connector is not easily disconnected from the connection terminal in a normal case. It is to provide a coaxial cable connector and a coaxial cable connector to prevent the coupling portion from being damaged.

The object of the present invention is a connector of a coaxial cable having a center conductor for transmitting a signal and a coaxial cable having an outer conductor concentric with the center conductor, the tubular shape surrounding a portion of the front end of the center conductor and connected to the outer conductor. A connector body; It can be achieved by a coaxial cable connector characterized in that it comprises a ring member provided on the outer surface of the connector body to restrict the horizontal expansion of the connector body.

In addition, in order to prevent the connector from being easily detached from the connecting terminal, the connector body is preferably formed with at least one protrusion on the inner surface.

The protrusion may be provided in plurality in a lengthwise direction of the connector body or spaced along at least one of the transverse directions of the connector body.

In addition, the ring member is preferably made of an elastic material so that the connector body can be restored to its original shape even after the connector is removed from the connection terminal.

In addition, the above object, according to the present invention, in the connector for connecting a coaxial cable having a center conductor for transmitting a signal and a coaxial cable having an outer conductor concentric with the center conductor and a predetermined electronic device, a part of the tip of the center conductor A connector having a tubular connector body surrounding and connected to the outer conductor, and a ring member provided on an outer surface of the connector body to restrict a lateral expansion of the connector body; It can also be achieved by a coaxial cable connector, characterized in that it comprises a connection terminal is connected to the electronic device and the insertion hole is formed in which the center conductor is inserted.

In addition, at least one protrusion may be formed on any one of an inner surface of the connector body or an outer surface of the connection terminal, and a catch portion to which the protrusion is caught may be formed on the other.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the coaxial cable connector and coaxial cable connector of the present invention. Different embodiments will be given the same reference numerals for the same components.

Coaxial cable connector 200 according to the first embodiment of the present invention, as shown in Figure 3, the connector body 210 surrounding a portion of the central conductor 110 at the front end of the coaxial cable 100; A connector protrusion 220 positioned on an inner surface of the connector body 210; It includes a ring member 240 located on the outer surface of the connector body 210.

Meanwhile, the coaxial cable 100 insulates the center conductor 110 to which a signal is transmitted, the outer conductor 120 surrounding the outside of the center conductor 110, the center conductor 110, and the outer conductor 120. It consists of an insulator 130, an outer conductor 120 and a sheath 140 surrounding the outer surface of some connector body 210.

As shown in FIG. 4, the connector body 210 is provided in a cylindrical shape centering on the center conductor 110. The inner diameter of the connector body 210 is appropriately determined in consideration of the outer diameter of the connection terminal 500, but if there is a predetermined standard it is preferable for compatibility with other products. The inner diameter of the connector body 210 may include protrusions 221 and 223 formed on the inner surface of the connector body 210 when the connector body 210 is coupled to the connection terminal (see 500 of FIGS. 6A and 6B) of FIGS. 6A and 6B. ) Is appropriately determined in consideration of the protruding heights of the protrusions 221 and 223 so as to be engaged with the thread 510 formed on the outer surface of the connection terminal 500 and pressed together.

On the other hand, the outer surface of the connector body 210, as shown in Figure 3, there is provided a seating portion 213 on which the ring member 240 to be described later is mounted. As shown in FIG. 3, the seating portion 213 may be a groove concave inward from the outer surface of the connector body 210 in order to prevent the position of the ring member 240 from changing. The seating portion 213 is provided at an appropriate position to restrict the expansion of the connector body 210 in the horizontal direction (radial direction) when the connector body 210 is coupled to the connection terminal. As shown in FIG. 3, the seating portion 213 may be positioned after the positions of the first and second connector protrusions 221 and 223 from the end of the connector body 210.

In addition, the connector body 210 has an outer conductor connecting portion 215 connected to the outer conductor 120 surrounding the center conductor 110 of the coaxial cable 100 to shield the radio waves. The outer conductor connecting portion 215 may be provided on the side opposite to the protrusions 221 and 223 side of the connector body 210. The size and shape may vary depending on the size and shape of the outer conductor 120 of the coaxial cable 100. As shown in FIG. 3, the connector body 210 may be connected to the outer conductor 120 by inserting the cylindrical outer conductor connecting portion 215 into the outer conductor 120, and in another known conventional connection method. It is also possible.

The connector protrusion 220 is provided on the inner surface of the connector body 210 and engaged with the thread 510 formed on the outer surface of the connection terminal 500 of FIGS. 6A and 6B to be described later to connect the connector body 210 to the connection terminal 500. To combine. The thread 510 of the connection terminal 500 serves as a locking portion of the connector protrusion 220.

In addition, the connector protrusion 220 allows the coupling force to be maintained until the thread 510 of the connection terminal 500 and the connector body 210 are applied below a predetermined force. However, when a certain force or more is applied, such as when the user moves a device such as a TV to which the connection terminal 500 is connected while the connector body 210 is connected to the connection terminal 500, the connector body 210 is applied. ) Is easily separated from the connection terminal 500 so that the coupling portion connected to the device of the connection terminal 500 is not damaged. The connector protrusion 220 can appropriately determine its protruding height, arrangement, shape, and number within a range satisfying the above-described conditions.

The connector protrusion 220 that satisfies this condition may be the first connector protrusion 221 and the second connector protrusion 223, as shown in FIGS. 3 and 4.

The first connector protrusion 221 is disposed on a circumference located at a predetermined distance along the longitudinal direction of the connector body 210 from the end of the first connector body 210. And, as shown in Figure 4, it may be a pair of wedge-shaped projections facing each other along the inner circumferential surface of the connector body 210.

As shown in FIG. 3, the second connector protrusion 223 is positioned after the position of the first connector protrusion 221 along the longitudinal direction of the connector body 210 from the end of the connector body 210. And, as shown in Figure 4, it may be provided with a pair of wedge-shaped projections forming an angle of 90 degrees with the pair of first connector projections 221. If necessary, the first connector protrusion 221 or the second connector protrusion 223 may be provided as one or a plurality of three or more instead of a pair facing each other. However, when the number of the connector protrusions 220 is excessively large, attention may be required because the above-described conditions of the connector protrusions 220 may not be satisfied.

The first and second connector protrusions 221 and 223 are preferably provided integrally with the connector body 210 in terms of manufacturability. That is, a metal plate having a predetermined thickness is pressed into positions corresponding to the first and second connector protrusions 221 and 223 by pressing to form protrusions protruding onto the metal plate surface, and then the protrusion protrusion surface of the metal plate on which the protrusions are formed is formed. By making the tubular shape so that the connector protrusions 221 and 223 and the connector body 210 can be integrated.

The ring member 240 is disposed in the seating portion 213 of the connector body 210, as shown in FIG. When the connector body 210 is coupled with the connection terminal 500, the connector body 210 serves to prevent the connector body 210 from expanding in the horizontal direction (radial direction). In addition, when the connector body 210 is removed from the connection terminal 500, the connector body 210 functions to restore the connector body 210, which is somewhat extended in the horizontal direction, to its original shape in the engaged state.

As illustrated in FIG. 4, the ring member 240 may be provided in a circular ring shape with both ends connected to each other. At this time, the ring member 240 is preferably made of a material containing an elastic material, such as a soft plastic material.

In addition, as shown in FIG. 5, the ring member 240a may be provided in a circular ring shape in which both ends are not shifted and connected to each other. At this time, the ring member 240a may be formed of a metal material because it may apply an elastic force to the outer surface of the connector body 210 in the shape itself.

In addition, the connector 200 according to the first embodiment of the present invention may further include an insulator 250 that insulates the center conductor 110 and the connector body 210 from each other, as shown in FIG. 3. . The insulator 250 is disposed on the bent surface 217 of the connector body 210, as shown in FIG. 3. If necessary, the insulator 250 may be formed integrally with the cable insulator 130.

Hereinafter, a process in which the coaxial cable connector 200 according to the first embodiment of the present invention having the above-described configuration is coupled to the connection terminal 500 will be described with reference to FIGS. 6A and 6B.

Meanwhile, as shown in FIGS. 6A and 6B, the coaxial cable connector includes a connector 200 provided at the tip of the coaxial cable 100 and a connection terminal 500 connected to a circuit board P such as a TV. It includes. The connection terminal 500 has a thread 510 formed on an outer circumferential surface as a connection terminal for a general coaxial cable which is widely used.

As shown in FIG. 6A, the connector 200 provided at the tip of the coaxial cable 100 approaches the connection terminal 500 so that the center conductor 110 may be inserted into the insertion hole 530. In addition, when the connector 200 is not rotated and is pressed toward the connection terminal 500, the center conductor 110 is inserted into the insertion hole 530, and the first and second connector protrusions 221 and 223 rotate the thread 510. Therefore, while moving, finally located in the different screw bones (510a, 510b) is coupled to a predetermined coupling strength. As a result, when a small force is applied while the connection terminal 500 and the connector 200 are coupled, the connector 200 is not easily separated from the connection terminal 500. At the same time, when a relatively large force is applied (when the user mistakenly moves a device to which the connection terminal is connected while the connector 200 and the connection terminal 500 are coupled), the connector 200 is connected to the connection terminal 500. The force is not transmitted to the device connecting portion of the connection terminal 500 by being separated from the). Therefore, it is possible to prevent the connection terminal 500 from falling off from the circuit board P connected thereto or a poor contact therebetween.

As shown in FIG. 7, the coaxial cable connector 200a according to the second exemplary embodiment of the present invention is provided in the first exemplary embodiment except that the first and second connector protrusions 221a and 223a are provided in a rounded shape. The same as the coaxial cable connector 200 according.

When the connector 200a and the connection terminal 500 are coupled to each other, the first, second connector protrusions 221a and 223a are threaded in size, position, and protrusion height of the first and second connector protrusions 221a and 223a. It is appropriately determined to be located in valleys 510c and 510d between 510.

As shown in FIG. 8, the coaxial cable connector according to the present invention includes a coaxial cable connector 200a according to the second embodiment and a first and second connector protrusions 221a and 223a on the outer surface thereof. It includes a connection terminal 600 is formed with the first and second connector engaging portion (610, 620).

The connection terminal 600 has a center conductor insertion hole 630 into which the center conductor of the coaxial cable 100 is inserted, as shown in FIG. 8.

As shown in FIG. 8, the first and second connector engaging portions 610 and 620 have semi-circular accommodating grooves of a slightly larger radius to accommodate the first and second connector protrusions 221a and 223a. Can be prepared as. In FIG. 8, the locking parts 610 and 620 are provided in the same number as the first and second connector protrusions 221a and 223a, but the present invention is not limited thereto. By providing a plurality of locking portions, even if the connector body 210 is separated from the positions of the first and second connector locking portions 610 and 620, separation may be prevented by additionally formed locking portions.

Another coaxial cable connector of the present invention, as shown in Figure 9, as the engaging portion that the coaxial cable connector 200a according to the second embodiment and the first and second connector projections (221a, 223a) is caught The first and second terminal protrusions 640 and 650 include a connection terminal 600a formed on an outer surface thereof. In FIG. 8, the receiving groove is formed on the outer circumferential surface of the connection terminal 600 as a locking portion to which the first and second connector protrusions 221a and 223a are caught, whereas in FIG. 9, a protruding protrusion is formed.

The coaxial cable connector 200b and the coaxial cable connector including the same according to the third embodiment of the present invention are shown in FIG. 10.

The coaxial cable connector 200b has a connector body 210a having first and second terminal protrusion engaging portions 218 and 219 formed therein such that the first and second terminal protrusions 640a and 650a of the connection terminal 600a are caught on an inner surface thereof. ). The coaxial cable connectors 200 and 200a of the first and second embodiments have protrusions 220 and 220a formed on the inner surface of the connector body 210, while the coaxial cable connector 200b according to the third embodiment has a connector body. There is a difference in which the accommodation grooves 218 and 219 are formed on the inner surface of the 210a. As shown in FIG. 10, the first and second terminal protrusion engaging portions 218 and 219 are provided as accommodation grooves corresponding to the shapes of the first and second terminal protrusions 640a and 650a.

The connection terminal 600b is slightly different only in the positions of the connection terminal 600a and the first and second terminal protrusions 640a and 650a shown in FIG. 9, and the remaining components are the same as the connection terminal 600a. Do.

In the above description, the wedge shape and the round shape are described as an example of the shape of the protrusion, but the shape may be any shape as long as it can generate a coupling force between the connector and the connection terminal.

As described above, according to the coaxial cable connector and the coaxial cable connector according to the present invention, the following effects can be obtained.

First, even if a user accidentally moves an electronic device such as a TV to which the connection terminal is connected, the coaxial cable connector is first detached from the connection terminal, thereby preventing the electronic device connection portion of the connection terminal from being damaged or damaged.

Second, since the coupling force between the connector and the connection terminal is relatively large compared to the conventional connector 20a, the coaxial cable does not easily come off from the connection terminal when used in general.

Third, when the coaxial cable connector is coupled to the connection terminal, the assembly can be improved by pressing the connector toward the connection terminal without the need to rotate the coaxial cable connector.

Claims (6)

In the connector of the coaxial cable having a center conductor for transmitting a signal and an outer conductor concentric with the center conductor, A cylindrical connector body surrounding a portion of the front end of the center conductor and connected to the outer conductor; And a ring member provided on an outer surface of the connector body to restrict a horizontal expansion of the connector body. The method of claim 1, The connector body is a coaxial cable connector, characterized in that at least one protrusion formed on the inner surface. The method of claim 2, And a plurality of protrusions spaced apart along at least one of the longitudinal direction of the connector body and the transverse direction of the connector body. The method of claim 1, The ring member is a coaxial cable connector characterized in that it comprises an elastic material. A coaxial cable connector for connecting a coaxial cable having a center conductor for transmitting a signal and a coaxial cable having an outer conductor concentric with the center conductor to a predetermined electronic device, A connector having a cylindrical connector body surrounding a portion of the front end of the center conductor and connected to the outer conductor, and a ring member provided on an outer surface of the connector body to restrict the horizontal expansion of the connector body; And a connection terminal connected to the electronic device, the connection terminal having an insertion hole into which the center conductor is inserted. The method of claim 5, At least one projection is formed on any one of the inner surface of the connector body or the outer surface of the connection terminal, the other is a coaxial cable connector, characterized in that the engaging portion is formed to catch the projection.

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