KR101189670B1 - Connecter for connecting between coaxial cables - Google Patents

Abstract

PURPOSE: A connector for connecting a coaxial cable is provided to minimize cracks compared to a case that only a low flexible coaxial cable is used. CONSTITUTION: A male connector unit(100) is connected to a first coaxial cable. A female connector unit(400) is connected to a second coaxial cable which has different flexibility from the first coaxial cable. A hollow portion is formed in a connection unit(700). The connection unit electrically connects a first body of the male connector unit with a second body of the female connector unit.

Description

Connector for connecting between coaxial cables}

The present invention relates to a connector, and more particularly to a connector used for the connection of coaxial cables.

Various signals are transmitted on wired and wireless communication devices. Communication devices through which signals are transmitted may be electrically connected to each other through coaxial cables. In general, the coaxial cable is mainly used for large data transmission or broadband signal transmission because of its high frequency characteristics and greater breakdown voltage than other cables. Such a coaxial cable is mainly used for transmission of a video signal, a square wave, and a pulse signal, and the like is used in connection with the object to be used. In this case, the connection between the coaxial cable and the object is mainly connected through a connector.

When a conventional coaxial cable is directly connected to an object to be used by using a connector, cracks may occur in a rigid coaxial cable. In other words, the coaxial cable is frequently bent or rotated according to the installation purpose and the work site. Therefore, when the inner conductor of the coaxial cable is disconnected or the coaxial cable has a large flexibility, the coaxial cable is bent and cracked. In addition, there is a problem that the coating is peeled off and broken due to the crack of the coating of the coaxial cable.

The problem to be solved by the present invention is to provide a connector that can connect a large coaxial cable to a portion of the flexible coaxial cable that can cause cracks (cracks).

A connector according to an embodiment of the present invention for achieving the above object is a male connector portion connected to a first coaxial cable, a female connected to a second coaxial cable having a different flexibility from the first coaxial cable A hollow part is formed in the connector part and the inside thereof, and a connecting part electrically connecting the first body of the male connector part and the second body of the female connector part. The male connector portion is insulated from the first signal pin and the first signal pin electrically coupled to the inner conductor of the first coaxial cable, the outer conductor of the first coaxial cable is inserted into one end thereof, and the other end thereof is The first body electrically connected to one end of the connection portion and a hollow portion formed therein may be provided with a first housing coupled to the first body. The female connector portion is electrically insulated from the inner conductor of the second coaxial cable and insulated from the second signal pin, the second signal pin electrically coupled with the first signal pin, and at one end of the second coaxial cable. An outer conductor of the second body is inserted into the second body and the other end is electrically connected to one end of the connecting portion and a hollow portion is formed inside the second housing coupled to the first housing and fixed to the first housing It can be provided.

The first signal pin has a hollow portion formed therein so that an inner conductor of the first coaxial cable is inserted or soldered with an inner conductor of the first coaxial cable, and the second signal pin has a hollow portion formed therein so that the second An inner conductor of the coaxial cable may be inserted or soldered with the inner conductor of the second coaxial cable, and a coupling groove may be formed at one end of which one end of the first signal pin is coupled.

The connection part may be integrally formed with a first region surrounding the first signal pin and a second region surrounding the second signal pin, and an inner diameter of the first region may be different from an inner diameter of the second region. .

The first body has a hollow portion formed therein, an inner circumference thereof is electrically coupled with an outer conductor of the first coaxial cable, and a first groove is formed at one end of a region protruding from the outer circumference, and the second body is A hollow portion may be formed therein, and an inner circumferential surface may be electrically coupled to an outer conductor of the second coaxial cable, and a second groove may be formed at one end of a region protruding from the outer circumferential surface.

The connector is coupled to the first groove, the first ring coupled to the inner circumferential surface of the first groove and the inner circumferential surface of the first housing, and the second groove to the inner circumferential surface of the second groove and the inner circumferential surface of the second housing. It may further include a second ring coupled to.

The connector according to another embodiment of the present invention for achieving the above object is electrically coupled with the inner conductor of the coaxial cable, the signal pin is formed protruding from one end, insulated from the signal pin, the coaxial A cable is inserted to electrically couple the outer conductor and the inner circumferential surface of the coaxial cable. It may have a housing that is fixed.

The connector according to another embodiment of the present invention for achieving the above object is electrically coupled with the inner conductor of the coaxial cable, the signal pin is formed in the recess recessed at one end, insulated from the signal pin, A coaxial cable is inserted to electrically couple the outer conductor and the inner circumferential surface of the coaxial cable. It may be provided with a housing fixed to the coupling.

According to an embodiment of the present invention, the connector may connect a coaxial cable having a high flexibility to a coaxial cable having a low flexibility, thereby minimizing the occurrence of cracks when using only a coaxial cable having a low flexibility. There are advantages to it. That is, when only a small coaxial cable is used, the flexible object is connected by using a connector according to an embodiment of the inventive concept to a portion where a crack is likely to occur. This can prevent damage or breakage of the coaxial cable.

In addition, in the case of connecting a flexible coaxial cable and a large flexible coaxial cable by using a connector according to an embodiment of the present invention and mounting the large flexible coaxial cable to an object to be used, the small flexible coaxial cable Compared to the case in which the mounting to the use object has the advantage that can be easily mounted coaxial cable to the use object.

BRIEF DESCRIPTION OF THE DRAWINGS In order to better understand the drawings cited in the detailed description of the invention, a brief description of each drawing is provided.
1 is a front view of a male connector according to an embodiment of the inventive concept.
FIG. 2 is a perspective view of the male connector of FIG. 1. FIG.
3 is a cross-sectional view of the male connector of FIG. 1.
4 is a front view of a female connector according to an embodiment of the inventive concept.
5 is a perspective view of the female connector of FIG. 4, and FIG. 6 is a cross-sectional view of the female connector of FIG. 4.
7 is a perspective view of a coupling portion coupled to the male connector portion of FIGS. 1 to 3 or the female connector portion of FIGS. 4 to 6.
8 is a cross-sectional view of the connecting part of FIG. 7.
9 is a cross-sectional view of the first ring or the second ring coupled to the male connector portion of FIGS. 1 to 3 or the female connector portion of FIGS. 4 to 6.
10 is a front view of the connector in which the male connector portion of FIGS. 1 to 3 and the female connector portion of FIGS. 4 to 6 are coupled.
FIG. 11 is a cross-sectional view of the connector of FIG. 10.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

1 is a front view of a male connector unit 100 according to an embodiment of the inventive concept, FIG. 2 is a perspective view of the male connector unit 100 of FIG. 1, and FIG. 3 is of FIG. 1. It is sectional drawing of the male connector part 100. FIG.

1 to 3, the male connector unit 100 may include a first signal pin 150, a first body 130, and a first housing 170.

In the first coaxial cable 110, an inner conductor 111 transmitting a signal is positioned at a central portion thereof, and an insulator 117 is surrounded by the inner conductor 111. The first coaxial cable 110 has an outer conductor 113 surrounded by an outer side of the insulator 117, and a sheath 115 is surrounded by an outer side of the outer conductor 113. Since the first coaxial cable 110 is generally similar in configuration to a coaxial cable used for data or signal transmission, a detailed description of the first coaxial cable 110 will be omitted below. Hereinafter, the male connector part 100 formed at one end of the first coaxial cable 110 will be described. The other end of the first coaxial cable 110 may be connected to the object of use or another coaxial cable. In the case where the object to be used is connected to the other end of the first coaxial cable 110, a connector generally used may be used, and when another coaxial cable is connected to the other end of the first coaxial cable 110, the present invention According to an embodiment of the inventive concept, the connector of FIGS. 1 to 6 may be used.

The first signal pin 150 may be electrically coupled to the inner conductor 111 of the first coaxial cable 110. The first signal pin 150 may have a hollow portion formed therein, and an inner conductor 111 of the first coaxial cable 110 may be inserted and electrically connected thereto. For example, the inner conductor 111 of the first coaxial cable 110 may be pressed or soldered to the first signal pin 150 to be electrically connected thereto. In addition, the first signal pin 150 may have a protrusion 155 protruding from one end thereof. For example, the first signal pin 150 protrudes from one end of the first insertion portion 151 and the first insertion portion 151 into which the inner conductor 111 of the first coaxial cable 110 is inserted. The protrusion 155 may be integrally formed. That is, the first inserting portion 151 may be electrically connected to the inner conductor 111 of the first coaxial cable 110, and the protrusion 155 may be electrically connected to the first inserting portion 151.

The first body 130 is insulated from the first signal pin 150 and may be electrically coupled to the outer conductor 113 of the first coaxial cable 110. The first body 130 may have a hollow portion formed therein, and an outer conductor 113 of the first coaxial cable 110 may be inserted and electrically coupled thereto. For example, the first coaxial cable 110 may be pressed into the first body 130 so that the outer circumferential surface of the outer conductor 113 of the first coaxial cable 110 is coupled to the inner circumferential surface of the first body 130. Can be.

The first groove may be recessed at one end of the region protruding from the outer circumferential surface of the first body 130. The first ring is coupled between the inner circumferential surface of the first groove and the inner circumferential surface of the first housing 170 such that foreign matters such as water introduced into the first housing 170 flow into the lower end of the first ring. Can be prevented. The first ring will be described in more detail with reference to FIG. 9, and the shape in which the first ring is coupled will be described in more detail with reference to FIG. 11.

The first body 130 may have a shape in which the first insertion hole 131, the second insertion hole 133, and the third insertion hole 135 are integrally formed. The outer diameter of the second insertion hole 133 may be larger than the outer diameter of the first insertion hole 131 and the outer diameter of the third insertion hole 135. That is, the second insertion hole 133 may include an area protruding from the outer circumferential surface of the first body 130. As described above, the second insertion hole 133 may be formed at one end of the second insertion hole 133. Grooves may be recessed. The first insertion hole 131, the second insertion hole 133, and the third insertion hole 135 may have the same inner diameter. The inner circumferential surfaces of the first insertion hole 131, the second insertion hole 133, and the third insertion hole 135 may be coupled to and electrically connected to the outer circumferential surface of the first coaxial cable 110. The outer circumferential surface and the outer circumferential surface of the upper end where the groove of the second insertion hole 133 is formed may be coupled to the inner circumferential surface of the first housing 170, and in this case, the first ring may be used as described above.

The first housing 170 may have a hollow portion formed therein and may be fixedly coupled to the first body 130. The first housing 170 has a stepped inner circumferential surface, and a portion of the inner circumferential surface of the first housing 170 is coupled to the outer circumferential surface where the groove of the second insertion hole 133 is formed and the outer circumferential surface of the upper end of the second insertion hole 133. The first housing 170 can be fixed to the coupling. That is, one portion of the inner circumferential surface of the first housing 170 may be coupled to one portion of the outer circumferential surface of the second insertion hole 133 to prevent the first housing 170 from being separated from the first coaxial cable 110. have. In addition, a male thread groove is formed on an outer circumferential surface of the first housing 170 to be coupled to another housing. 1 to 3 illustrate a case in which a male screw groove is formed on an outer circumferential surface of the first housing 170, but the present invention is not limited thereto, and a female screw groove may be formed on an inner circumferential surface thereof to be coupled to another housing. An embodiment in which the first housing 170 is coupled to another housing will be described in detail with reference to FIG. 11.

Although not shown in the drawing, a groove penetrating from the outer circumferential surface to the inner circumferential surface may be formed in the first housing 170. That is, when the first housing 170 is coupled to another housing, the fastening means (for example, a screw) may be coupled to the groove to more firmly couple the first housing 170 to the other housing. The groove may be formed at a position where the male thread groove or the female thread groove is formed in the first housing 170.

4 is a front view of a female connector 400 according to an embodiment of the inventive concept, FIG. 5 is a perspective view of the female connector 400 of FIG. 4, and FIG. 6 is of FIG. 4. It is sectional drawing of the female connector part 400. FIG.

4 to 6, the female connector 400 may include a second signal pin 450, a second body 430, and a second housing 470.

The structure of the second coaxial cable 410 is similar to the first coaxial cable 110 described with reference to FIGS. 1 to 3. That is, the second coaxial cable 410 has an inner conductor 411 that transmits a signal at the center thereof, and an insulator 417 is surrounded by the inner conductor 411. The second coaxial cable 410 has an outer conductor 413 surrounded by an outer side of the insulator 417 and a sheath 415 surrounded by an outer side of the outer conductor 413. Since the second coaxial cable 410 is generally similar in configuration to a coaxial cable used for data or signal transmission, a detailed description of the second coaxial cable 410 will be omitted. Hereinafter, the female connector 400 formed at one end of the second coaxial cable 410 will be described. The other end of the second coaxial cable 410 may be connected to the object of use or another coaxial cable. In the case where the object to be used is connected to the other end of the second coaxial cable 410, a connector generally used may be used, and when another coaxial cable is connected to the other end of the second coaxial cable 410, the present invention According to an embodiment of the inventive concept, the connector of FIGS. 1 to 6 may be used.

The second signal pin 450 may be electrically coupled to the inner conductor 411 of the second coaxial cable 410. The second signal pin 450 may have a hollow portion formed therein, and an inner conductor 411 of the first coaxial cable 410 may be inserted and electrically connected thereto. For example, the inner conductor 411 of the second coaxial cable 410 may be pressed or soldered to the second signal pin 450 and electrically connected thereto. The second signal pin 450 may be connected at one end thereof. A coupling groove 451 may be formed to be recessed. For example, the second signal pin 450 is recessed at one end of the second insertion portion 455 and the second insertion portion 455 into which the inner conductor 411 of the second coaxial cable 410 is inserted. Coupling groove 451 may be formed integrally. That is, the second insertion portion 455 may be electrically connected to the inner conductor 411 of the second coaxial cable 410, and the coupling groove 451 may be electrically connected to the second insertion portion 455.

The second body 430 is insulated from the second signal pin 450 and may be electrically coupled to the outer conductor 413 of the second coaxial cable 410. The second body 430 may have a hollow portion formed therein, and an outer conductor 413 of the second coaxial cable 410 may be inserted and electrically coupled thereto. For example, the second coaxial cable 410 may be pressed into the second body 430 such that the outer circumferential surface of the outer conductor 413 of the second coaxial cable 410 is coupled to the inner circumferential surface of the second body 430. Can be.

The second groove may be recessed at one end of the region protruding from the outer circumferential surface of the second body 430. The second ring is coupled between the inner circumferential surface of the second groove and the inner circumferential surface of the second housing 470 so that foreign substances such as water introduced into the second housing 470 flow into the lower end of the second ring. Can be prevented. The second ring will be described in more detail with reference to FIG. 9, and the shape in which the second ring is coupled will be described in more detail with reference to FIG. 11.

The second body 430 may have a shape in which the fourth insertion hole 431, the fifth insertion hole 433, and the sixth insertion hole 435 are integrally formed. The outer diameter of the fifth insertion hole 433 may be larger than the outer diameter of the fourth insertion hole 431 and the outer diameter of the sixth insertion hole 435. That is, the fifth insertion hole 433 may include an area protruding from the outer circumferential surface of the second body 430. As described above, the fifth insertion hole 433 may be formed at one end of the protruding area of the fifth insertion hole 433. Grooves may be recessed. The fourth insertion hole 431, the fifth insertion hole 433, and the sixth insertion hole 435 may have the same inner diameter. The inner circumferential surfaces of the fourth insertion hole 431, the fifth insertion hole 433, and the sixth insertion hole 435 may be coupled to and electrically connected to the outer circumferential surface of the second coaxial cable 410. The outer circumferential surface and the outer circumferential surface of the upper end where the groove of the fifth insertion hole 433 is formed may be coupled to the inner circumferential surface of the second housing 470, and in this case, the second ring may be used as described above.

The second housing 470 may have a hollow portion formed therein and may be fixedly coupled to the second body 130. The second housing 470 has a stepped inner circumferential surface, and a portion of the inner circumferential surface of the second housing 470 is coupled to the outer circumferential surface where the groove of the fifth insertion hole 433 is formed and the outer circumferential surface of the upper end of the fifth insertion hole 433. Thus, the second housing 470 may be fixedly coupled. That is, one portion of the inner circumferential surface of the second housing 470 is coupled to one portion of the outer circumferential surface of the fifth insertion hole 433 to prevent the second housing 470 from being separated from the second coaxial cable 410. Can be. In addition, an internal thread groove may be formed on an inner circumferential surface of the second housing 470 to be coupled to another housing. 4 to 6 illustrate a case where female thread grooves are formed on the inner circumferential surface of the second housing 470, but the present invention is not limited thereto, and the outer circumferential surface of the first housing 170 of FIGS. 1 to 3 is not limited thereto. A male thread groove may be formed in and coupled to another housing. An embodiment in which the second housing 470 is coupled to another housing will be described in detail with reference to FIG. 11.

Although not shown in the drawing, a groove penetrating from the outer circumferential surface to the inner circumferential surface may be formed in the second housing 470. That is, when the second housing 470 is coupled to another housing, the fastening means (for example, a screw) may be coupled to the groove to more firmly couple the second housing 470 to the other housing. The groove may be formed at a position where the male thread groove or the female thread groove is formed in the second housing 470.

7 is a perspective view of a connection part 700 coupled to the male connector part 100 of FIGS. 1 to 3 or the female connector part 400 of FIGS. 4 to 6, and FIG. 8 is a view of the connection part 700 of FIG. 7. It is a cross section.

1 to 8, the connection part 700 has a hollow part formed therein and has an inner circumferential surface with a step, and a second body of the first body 130 and the female connector part 400 of the male connector part 100. 430 may be electrically connected. That is, one end of the connection part 700 may be electrically connected to the first body 130 and the other end may be electrically connected to the second body 430. In addition, the connection part 700 is integrally formed by being coupled to one end of the first body 130 of the male connector part 100 or is integrally coupled to one end of the second body 430 of the female connector part 400. It can be formed as. An embodiment in which the connection part 700 is integrally formed with the first body 130 of the male connector part 100 and the second body 430 of the female connector part 400 is described in detail with reference to FIG. 11. Explain.

The connection part 700 may be integrally formed with a first region 710 and a second region 720 having different inner diameters. The first signal pin 150 or the second signal pin 450 may be inserted into and coupled to the hollow portion of the first region 710 and the second region 720 without contact. For example, when the first signal pin 150 and the second signal pin 450 have different input / output impedances, the first region 710 and the second region 720 have different inner diameters, and thus the first signal. Impedance matching may be achieved by adjusting the amount of air surrounding each of the pin 150 and the second signal pin 450. For example, when connecting coaxial cables having different diameters of the inner conductors, a signal pin connected to the inner conductor having a small diameter is inserted into the first region 710 and a signal pin connected to the inner conductor having a large diameter is the second region. Inserted at 720 may be impedance matching between the signal pins. One signal pin of the signal pins is formed as the first signal pin 150 and the other signal pin is formed as the second signal pin 450 to form the first region 710 and the second region 720. At the interface of the signal pins can be coupled. A case in which the first signal pin 150 and the second signal pin 450 are combined will be described in more detail with reference to FIG. 11.

The connection part 700 may be integrally formed with the third region 730 and the fourth region 740 having different inner diameters together with the first region 710 and the second region 720. The third region 730 and the fourth region 740 may have an inner diameter that is the same as the outer diameter of the portion of the first body 130 or the second body 430 to be coupled. For example, when the third region 730 and the first body 130 are coupled, the inner diameter of the third region 730 may be the same as the outer diameter of the third coupling hole 135 of the first body 130. Can be. In addition, when the fourth region 740 and the second body 430 are coupled, the inner diameter of the fourth region 740 may be the same as the outer diameter of the sixth coupling hole 435 of the second body 430. . 8 is a diagram illustrating a case in which the outer diameter of the third coupler 135 is smaller than the outer diameter of the sixth coupler 435 in the above example. However, the present invention is not limited to this case, but the outer diameter of the third coupler 135 coupled to the third region 730 and the diameter of the sixth coupler 435 coupled to the fourth region 740. Accordingly, inner diameters of the third region 730 and the fourth region 740 may vary.

FIG. 9 is a cross-sectional view of the first ring 900 or the second ring 900 coupled to the male connector portion 100 of FIGS. 1 to 3 or the female connector portion 400 of FIGS. 4 to 6.

1 to 9, the first ring 900 or the second ring 900 may be a rubber ring made of rubber. Alternatively, the first ring 900 may be a solder or the like coupling the inner circumferential surface of the first groove and the inner circumferential surface of the first housing 170, and the second ring 900 may include the inner circumferential surface of the first groove and the first housing ( Soldering to couple the inner circumferential surface of 170). However, the first ring 900 of the present invention is not limited to this case. If the inner ring of the first groove and the inner ring of the first housing 170 are coupled to each other to prevent the inflow of foreign substances, other materials may be used. have. In addition, the second ring 900 of the present invention is not limited to this case. If the inner ring of the second groove and the inner ring of the second housing 470 are combined to prevent the inflow of foreign substances, another material may be used. have.

10 is a front view of the connector 1000 coupled to the male connector 100 of FIGS. 1 to 3 and the female connector 400 of FIGS. 4 to 6, and FIG. 11 is a view of the connector 1000 of FIG. 10. It is a cross section.

1 to 10, the connector 1000 includes the male connector 100 of FIGS. 1 to 3, the female connector 400 of FIGS. 4 to 6, and the connection part 700 of FIGS. 7 and 8. Can be combined to form. That is, the male connector part 100 connected to one end of the first coaxial cable 110, the female connector part 400 and the connection part 700 connected to one end of the second coaxial cable 410 may be coupled. In the case where the object to be used is connected to the other end of the first coaxial cable 110, a connector generally used may be used, and when another coaxial cable is connected to the other end of the first coaxial cable 110, the present invention According to an embodiment of the inventive concept, the connector of FIGS. 1 to 6 may be used. When the object to be used is connected to the other end of the second coaxial cable 410, a connector generally used may be used, and when another coaxial cable is connected to the other end of the second coaxial cable 410. According to an embodiment of the inventive concept, the connector of FIGS. 1 to 6 may be used.

The configuration of the male connector part 100 of FIGS. 1 to 3, the configuration of the female connector part 400 of FIGS. 4 to 6, and the configuration of the connection part 700 of FIGS. 7 and 8 are related to the corresponding drawings. Since it was described in detail, the coupling relationship between the male connector portion 100 and the female connector portion 400 will be described below. In addition, the connector 1000 of FIGS. 10 and 11 may further include the first ring and the second ring having the same shape as that of FIG. 9 for preventing the inflow of foreign substances.

The first coaxial cable 110 and the second coaxial cable 410 may have different flexibility. For example, the diameter of the first coaxial cable 110 and the diameter of the second coaxial cable 410 may be the same or different. As another example, the inner conductor of one of the inner conductor 111 of the first coaxial cable 110 and the inner conductor 411 of the second coaxial cable 410 may be a twisted pair and the other inner conductor may be a single strand, or Both may be stranded or both may be broken. However, the diameter or type of the inner conductor is to express the degree of flexibility, and the present invention is not limited to this case. The present invention provides the flexibility of the first coaxial cable 110 and the second coaxial cable 410 to be different from each other. Branches may include all cases.

Hereinafter, a case in which the first coaxial cable 110 has greater flexibility than the second coaxial cable 410 will be described for convenience of description. In addition, the diameter of the first coaxial cable 110 is smaller than the diameter of the second coaxial cable 410, and the diameter of the inner conductor 111 of the first coaxial cable 110 is the inner conductor of the second coaxial cable 410. The case where it is smaller than the diameter of 411 is demonstrated.

One end of the first signal pin 150 and one end of the second signal pin 450 may be electrically coupled. That is, one end of the first signal pin 150 is coupled to the coupling groove 451 of the second signal pin 450 so that the outer circumferential surface of the first signal pin 150 is electrically coupled to the inner circumferential surface of the coupling groove 451. Can be. For example, one end of the first signal pin 150 may be fitted into the coupling groove 451 of the second signal pin 450. In FIG. 11, the protrusion 155 of the first signal pin 150 is inserted into the coupling groove 451 of the second signal pin 450. However, the present invention is not limited to this case, and even though the protrusion 155 is not formed at one end of the first signal pin 150, one end of the first signal pin 150 is formed in the coupling groove 451. If it can be coupled, the first signal pin 150 may be inserted into the coupling groove 451 without the protrusion 155 is formed at one end of the first signal pin 150.

One end of the first body 130 that is electrically connected to the outer conductor 113 of the first coaxial cable 110 and the second that is electrically connected to the outer conductor 413 of the second coaxial cable 410. The connection part 700 may be electrically coupled to one end of the body 430. The first region 710 of the connector 700 may surround the first signal pin 150 and the second region 720 may surround the second signal pin 450. As described with reference to FIGS. 7 and 8, when the inner diameters of the first region 710 and the second region 720 are adjusted, the first signal pin 150 and the second signal pin 450 are combined. Impedance matching is possible.

The first region 710 of the connecting portion 700 is in contact with the outer circumferential surface of the third insertion hole 135 of the first body 130, and the second region 720 is the sixth insertion hole 435 of the second body 430. Contact with the outer circumferential surface of the The third region 730 of the connector 700 may be coupled to the second insertion hole 133 of the first body 130, and the fourth region 740 may be the fifth insertion hole of the second body 430. 433.

The connection part 700 may be integrally formed with one end of the first body 130 or may be integrally formed with one end of the second body 430. That is, the other end may be coupled to one end of the second body 430 while one end of the connection part 700 is integrally formed with one end of the first body 130. Alternatively, the other end may be coupled to one end of the first body 130 while one end of the connection part 700 is integrally formed with one end of the second body 430. Alternatively, the first body 130, the connection part 700, and the second body 430 may be integrally formed to form an external conductor connection part. An embodiment in which the first body 130, the connection part 700, and the second body 430 are integrally formed to form the external conductor connection part will be described in more detail with reference to FIG. 12.

The first housing 170 and the second housing 470 may be coupled to each other by screw grooves. That is, the male screw groove of the first housing 170 and the female screw groove of the second housing 470 are fastened so that the first housing 170 and the second housing 470 may be coupled to each other. However, the present invention is not limited to this case, and the female screw groove of the first housing 170 and the male screw groove of the second housing 470 may be combined, or other methods such as interference fit without using a screw groove. The first housing 170 and the second housing 470 may be coupled to each other. In addition, as described above, at least one of the first housing 170 and the second housing 470 is formed with a groove penetrating from the outer circumferential surface to the inner circumferential surface, and the first housing 170 and the second housing 470 are When coupled, fastening means (for example, screws) may be coupled to the groove. When the first housing 170 and the second housing 470 are coupled or screwed together by using a screw groove, the contact between the first body 130 and the connection part 700 and / or the second body 430 is performed. The contact between the and the connection part 700 can be made stronger, thereby making it possible to stabilize the RF characteristic. That is, the pressure in the left and right directions is increased in FIG. 11 by the combination of the first housing 170 and the second housing 470, so that the third insertion hole 135 and the connection portion 700 of the first body 130 are increased. The third region 730 may be in stronger contact, or the third insertion hole 435 of the second body 430 may be in greater contact with the fourth region 740 of the connector 700.

The first ring of FIG. 9 may be coupled to the first groove of the first body 130, and the second ring of FIG. 9 may be coupled to the second groove of the second body 130. Can be. The first ring and the second ring may be the same in size and thickness or may be different. The first ring is coupled between the inner circumferential surface of the first groove and the inner circumferential surface of the first housing 170 so that foreign substances such as water introduced into the first housing 170 flow into the lower end of the first ring. It can prevent. The second ring is coupled between the inner circumferential surface of the second groove and the inner circumferential surface of the second housing 470 so that foreign substances such as water introduced into the second housing 470 flow into the lower end of the second ring. Can be prevented.

12 is a cross-sectional view according to another exemplary embodiment of the connector 1000 of FIG. 10.

10 to 12, the connector 1000 of FIG. 12 is a case in which the first body 130, the connection part 700, and the second body 430 of the connector 1000 of FIG. 11 are integrally formed. Related embodiment. That is, the connector 1000 of FIG. 12 has one external conductor connection part 1210 that electrically connects the outer conductor 115 of the first coaxial cable 110 and the outer conductor 415 of the second coaxial cable 410. It includes. Since the external conductor connection part 1210 performs the same function as the first body 130, the connection part 700, and the second body 430 described above, a detailed description thereof will be omitted. In addition, since the other components are the same as described above, detailed description thereof will be omitted.

13 is a cross-sectional view according to another exemplary embodiment of the connector 1000 of FIG. 10.

10 to 13, the connector 1000 of FIG. 13 is an embodiment in which the first signal pin 150 and the second signal pin 450 of the connector 1000 of FIG. 11 are integrally formed. to be. That is, the connector 1000 of FIG. 13 has one inner conductor connection part 1310 that electrically connects the inner conductor 111 of the first coaxial cable 110 and the outer conductor 411 of the second coaxial cable 410. It includes. The inner conductor connecting portion 1310 has a hollow portion formed at one end thereof, and the inner conductor 111 of the first coaxial cable 110 is fitted into it, and a hollow portion formed at the other end thereof and the inner conductor of the second coaxial cable 410 ( 411 may be forced. Alternatively, the inner conductor connecting portion 1310 has a hollow portion formed at one end thereof, and the inner conductor 111 of the first coaxial cable 110 is fitted therein, a hollow portion formed at the other end thereof, and the inside of the second coaxial cable 410 is formed. Conductor 411 may be soldered. Alternatively, the inner conductor connecting portion 1310 has a hollow portion formed at one end thereof and the inner conductor 111 of the first coaxial cable 110 is soldered, and a hollow portion formed at the other end thereof and the inner conductor of the second coaxial cable 410 is formed. 411 may be forced. When joining the inner conductor and the inner conductor connecting portion 1310 by soldering, the hollow portion may not be formed therein. Since the internal conductor connection unit 1310 performs the same function as the first signal pin 150 and the second signal pin 450 described above, a detailed description thereof will be omitted. In addition, since the other components are the same as described above, detailed description thereof will be omitted.

In addition, in the connector 1000 of FIG. 13, as in the embodiment of FIG. 12, the first body 130, the connection part 700, and the second body 430 are integrally formed, or the first body 130 and the connection part ( 700 may be integrally formed, or the connecting part 700 and the second body 430 may be integrally formed.

As described above, optimal embodiments have been disclosed in the drawings and the specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (22)

A male connector portion connected to the first coaxial cable;
A female connector portion connected to a second coaxial cable having different flexibility from the first coaxial cable; And
A hollow part formed therein and having a connecting part electrically connecting the first body of the male connector part and the second body of the female connector part,
The male connector portion,
A first signal pin electrically coupled with the inner conductor of the first coaxial cable;
The first body insulated from the first signal pin, the outer conductor of the first coaxial cable inserted into one end thereof, and the other end electrically connected to one end of the connection part; And
A first housing in which the first body is inserted into a hollow formed therein;
The female connector portion,
A second signal pin electrically coupled with the inner conductor of the second coaxial cable and electrically coupled with the first signal pin;
The second body insulated from the second signal pin and having an outer conductor of the second coaxial cable inserted into one end thereof, and the other end of which is electrically connected to one end of the connection part; And
And a second housing in which the second body is inserted into the hollow portion formed therein and coupled to the first housing. The method of claim 1, wherein the first signal pin,
An inner conductor of the first coaxial cable is inserted or soldered with an inner conductor of the first coaxial cable,
The second signal pin,
And an inner groove of the second coaxial cable is inserted or soldered to the inner conductor of the second coaxial cable, and a coupling groove is formed at one end thereof to which one end of the first signal pin is coupled. The method of claim 2, wherein the first signal pin,
Protruding from the one end portion is characterized in that the protrusion is inserted into the coupling groove is formed. The method of claim 1,
And the first signal pin and the second signal pin are integrally formed. The method of claim 4, wherein
One end of the integrally formed first signal pin and the second signal pin is inserted or soldered into the inner conductor of the first coaxial cable, and the other portion is inserted or soldered into the inner conductor of the second coaxial cable. Connector. The diameter of the first coaxial cable,
And a diameter different from that of the second coaxial cable. The method of claim 1,
And the inner conductor of the first coaxial cable is a stranded wire, and the inner conductor of the second coaxial cable is a single wire. The connector according to claim 1,
One end is integrally formed by being coupled to one end of the first body or the other end is integrally formed by being coupled to one end of the second body, or one end is coupled to one end of the first body and the other end is Is coupled to one end of the second body is formed in one connector. The connector according to claim 1,
And a first region surrounding the first signal pin and a second region surrounding the second signal pin are integrally formed, and an inner diameter of the first region is different from an inner diameter of the second region. The method of claim 1, wherein the first body,
A hollow portion is formed therein, an inner circumferential surface is electrically coupled with an outer conductor of the first coaxial cable, and a first groove is formed at one end of a region protruding from the outer circumferential surface,
The second body,
A hollow portion is formed therein, and an inner circumferential surface of the connector is electrically coupled to an outer conductor of the second coaxial cable, and a second groove is formed at one end of a region protruding from the outer circumferential surface. The method of claim 10, wherein the connector,
A first ring coupled to the first groove and coupled to an inner circumferential surface of the first groove and an inner circumferential surface of the first housing; And
And a second ring coupled to the second groove and coupled to an inner circumferential surface of the second groove and an inner circumferential surface of the second housing. The method of claim 11, wherein the first ring,
It is made of rubber or solder to join the inner peripheral surface of the first groove and the inner peripheral surface of the first housing,
The second ring is,
And a rubber material or a solder joining the inner circumferential surface of the second groove to the inner circumferential surface of the second housing. The method of claim 1, wherein the first body,
The first insertion hole, the second insertion hole and the third insertion hole are integrally formed, and the outer diameter of the second insertion hole is larger than the outer diameter of the first and third insertion holes, and a first groove is formed at one end of the second insertion hole. ,
The second body,
The fourth insertion hole, the fifth insertion hole and the sixth insertion hole are integrally formed, and the outer diameter of the fifth insertion hole is larger than that of the fourth and sixth insertion holes, and a second groove is formed at one end of the fifth insertion hole. ,
The connecting portion
A first region surrounding the first signal pin and in contact with the outer circumferential surface of the third insertion hole, a second region surrounding the second signal pin and in contact with the outer circumferential surface of the sixth insertion hole and having an inner diameter larger than the inner diameter of the first region. A third region having one end coupled to the other end of the second insertion hole and a fourth region having one end coupled to the other end of the fifth insertion hole being integrally formed;
The connector may increase the contact strength between the outer circumferential surface of the third insertion hole and the first region and the contact strength between the outer circumferential surface of the sixth insertion hole and the second region by the coupling of the first housing and the second housing. . The method of claim 1,
A male thread groove is formed on an outer circumferential surface of one of the first housing and the second housing, and a female thread groove is formed on an inner circumferential surface of the other housing. And the second housing are coupled. 15. The method of claim 14,
At least one of the first housing and the second housing is formed with a groove penetrating from the outer peripheral surface to the inner peripheral surface, the coupling means is coupled to the groove when the first housing and the second housing is coupled Connector. A signal pin electrically coupled with the inner conductor of the coaxial cable and having a protrusion protruding from one end thereof;
The body is insulated from the signal pin, the coaxial cable is inserted into the outer conductor and the inner circumferential surface of the coaxial cable electrically coupled, the body is formed with a groove into which the ring can be inserted at one end of the protruding region protruding from the outer circumferential surface ; And
And a housing having a hollow formed therein and fixedly coupled to the body. The method of claim 16, wherein the body,
A hollow part is formed therein, an inner circumferential surface is electrically coupled with an outer conductor of the first coaxial cable, and a first insertion hole, a second insertion hole and a third insertion hole are integrally formed, and the outer diameter of the second insertion hole is the first insertion hole. And a groove that is larger than an outer diameter of the third insertion hole, and wherein the groove is formed at one end of the second insertion hole. The method of claim 16, wherein the connector,
Is electrically coupled to one end of the body, and electrically connects a portion of the connector connected to the other coaxial cable to the outer conductor of the other coaxial cable and the other end of the body, and has a hollow portion formed therein, and an inner circumferential surface thereof The connector further comprises a step having a step. A signal pin electrically coupled to the inner conductor of the coaxial cable and having a coupling groove recessed at one end thereof;
The body is insulated from the signal pin, the coaxial cable is inserted into the outer conductor and the inner circumferential surface of the coaxial cable electrically coupled, the body is formed with a groove into which the ring can be inserted at one end of the protruding region protruding from the outer circumferential surface ; And
And a housing having a hollow formed therein and fixedly coupled to the body. The method of claim 19, wherein the coupling groove,
And a portion of the connector connected to the other coaxial cable is connected to the inner conductor of the other coaxial cable so as to be electrically connected. The method of claim 19, wherein the body,
A hollow part is formed therein, an inner circumferential surface is electrically coupled with an outer conductor of the first coaxial cable, and a first insertion hole, a second insertion hole and a third insertion hole are integrally formed, and the outer diameter of the second insertion hole is the first insertion hole. And a groove that is larger than an outer diameter of the third insertion hole, and wherein the groove is formed at one end of the second insertion hole. The method of claim 19, wherein the connector,
Is electrically coupled to one end of the body, and electrically connects a portion of the connector connected to the other coaxial cable to the outer conductor of the other coaxial cable and the other end of the body, and has a hollow portion formed therein, and an inner circumferential surface thereof The connector further comprises a step having a step.

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