KR200468838Y1 - A coaxial cable connecter for coupling to coaxial cable of type indentation clamping a screw and spring - Google Patents

A coaxial cable connecter for coupling to coaxial cable of type indentation clamping a screw and spring Download PDF

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Publication number
KR200468838Y1
KR200468838Y1 KR2020130000938U KR20130000938U KR200468838Y1 KR 200468838 Y1 KR200468838 Y1 KR 200468838Y1 KR 2020130000938 U KR2020130000938 U KR 2020130000938U KR 20130000938 U KR20130000938 U KR 20130000938U KR 200468838 Y1 KR200468838 Y1 KR 200468838Y1
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KR
South Korea
Prior art keywords
coaxial cable
connector
inner conductor
cable
contact
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KR2020130000938U
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Korean (ko)
Inventor
이상근
조완연
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주식회사 엠피디
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Priority to KR2020130000938U priority Critical patent/KR200468838Y1/en
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Publication of KR200468838Y1 publication Critical patent/KR200468838Y1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5837—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable specially adapted for accommodating various sized cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/564—Corrugated cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The present invention relates to a connector for a coaxial cable connected to the coaxial cable by a spring and spiral fastening press-in method.
Coaxial cable and the connector for the coaxial cable of the present invention, the inner conductor in the form of a core wire, the insulator surrounding the inner conductor, the outer conductor surrounding the insulator, and the coaxial cable as a shell surrounding the outer conductor, but the outer conductor To form a spiral corrugated pipe structure,
Connector body having a center pin at the front center, Coupling nut rotatably coupled to the front side of the connector body, Installed at the inner center of the connector body in contact with the rear end of the center pin A contact for transmitting an electrical signal of the inner conductor to the center pin through coupling with the inner conductor; It is inserted into the contact, the tension between the inner circumference is reduced in accordance with the presence or absence of the inner conductor to hold the combined inner conductor tightly to prevent flow and at the same time stable electrical contact between the inner conductor and the contact A hollow cylindrical inner conductor coupling spring which serves as a conduction medium to achieve a shape; An insulator that blocks an electric signal from flowing through the inner conductor coupling spring and the contact to the connector body; A cable clamp inserted into the connector body in a state where the screw is coupled to the outer conductor of the coaxial cable; An insert ring for supporting one end of an outer conductor of the coaxial cable screwed to the cable clamp; The coaxial cable is screwed between the outer conductor of the coaxial cable and the cable clamp of the coaxial cable connector by constituting a connector for the coaxial cable with a clamp nut spirally coupled to the rear end of the connector body with the coaxial cable inserted therethrough. The cable clamp pressurized by the front end of the clamp nut entering the rear of the coaxial cable connector through the screw feed force of the inserted penetrated clamp nut and the connector body is transferred to the insert ring side. The outer conductor of the coaxial cable screwed to the cable clamp is also completely fixed to the connector for the coaxial cable through a length shorter that is pressurized and compressed to the rear of the insert ring, and the inner conductor inserted into the contact of the connector for the coaxial cable. Inside view of coaxial cable into coupling spring Coupling structure that prevents flow action on the coaxial cable and secures electrical contact between the inner conductor and the contact by holding the inner conductor tightly by tensioning action of expanding the center circumference of the inner conductor coupling spring when the wire is coupled. It is characterized by that.
Therefore, according to the present invention, the coaxial cable connector and the coaxial cable in the field through the action of the spiral coupling between the outer conductor of the coaxial cable and the cable clamp of the connector for the coaxial cable and the inner conductor coupling spring for the inserted inner conductor The assembly time can be made easier and simpler, and the assembly time can also be shortened significantly compared to the conventional cable fixing ring method of the split structure having the tightening action by the sealing band, as well as the coaxial connector as described above. Through the cable coupling process, it is possible to secure a uniform coupling and electrical contact state between the contact of the connector for the coaxial cable and the inner lead of the coaxial cable, and to block the occurrence of the PIMD, thereby improving performance. There is such an excellent effect.

Description

A coaxial cable connecter for coupling to coaxial cable of type indentation clamping a screw and spring}

The present invention relates to a connection structure between a coaxial cable and a connector for a coaxial cable. More specifically, the cable clamp is screwed to the insert ring side by screw transfer force of the clamp nut and the connector body. The outer conductor of the coaxial cable is transferred to the rear of the insert ring and pressed, and the inner conductor of the inner coaxial cable is coupled into the inner conductor coupling spring inserted into the contact of the coaxial cable connector. The tension between the inner circumference and the inner circumference of the coaxial cable prevents the coaxial cable from flowing, and forms a stable electrical contact between the inner wire and the contact. It can be used for the coaxial cable connector By assembling tightly fixed, the coaxial cable connector in the field through the tightening action of the spiral coupling between the outer conductor of the coaxial cable and the cable clamp of the connector for the coaxial cable and the inner conductor coupling spring to the inserted inner conductor And assembling of coaxial cable is easier and more convenient, and the assembly time can be significantly shortened as compared with the conventional cable fixing ring of the split structure having a tightening action by the sealing band, as well as for the coaxial cable as described above. Through the coupling process between the connector and the coaxial cable, it is possible to secure a uniform coupling and electrical contact state between the contact of the connector for the coaxial cable and the inner lead of the coaxial cable, and also improve the performance by blocking the occurrence of the PIMD. Spring and helical clamping The present invention relates to a connector for a coaxial cable connected to a coaxial cable.

Generally, a wireless local loop (WLL) system, which is growing at a fast pace with recent digital mobile communication, is a wired line connecting a telephone station to a telephone set at a fixed location such as a home or office of a telephone subscriber In particular, it may be a system in which some or all of the transmission paths between the exchange and the subscriber are wirelessly constructed. In particular, the system may be a system in which a telephone communication network and user terminals are connected by radio using radio waves to transmit various information communication services .

Since the wireless subscriber line system is connected to a line of a telephone station using a wireless line, an antenna for transmitting and receiving a radio signal must be provided. A connector for a coaxial cable is used to connect to an antenna, a repeater, , Which is divided into male and female repeaters to be connected to the antenna and a female to be installed in the base station equipment, and to facilitate the connection between the antenna and the equipment and to provide ease of maintenance. The female and male connectors are connected to the antenna.

1, the conventional coaxial cable 1 and the coaxial cable connector 10 are electrically connected to each other as shown in FIG. 1. In the case of the coaxial cable 1, ; An insulator (3) surrounding the internal conductor (2); An outer conductor (4) surrounding the insulator (3); The outer conductor 4 itself is formed by a straight tubular corrugated pipe 5 having a corrugated and rounded portion in the form of a straight line and the coaxial cable 1 In the case of the coaxial cable connector 10 to be assembled, a cylindrical connector body 11 having a center pin 12 at the center of the front face thereof; A coupling nut 13 rotatably coupled to the front side of the connector body 11; And an electric signal of the internal conductor 2 is connected to the center pin 12 through the coupling with the internal conductor 2 in the center of the inside of the connector body 11 in a state of being in contact with the rear end of the center pin 12 A contact 14 for communicating; An insulator (15) for blocking an electrical signal from flowing to the connector body (11) side through the contact (14); A cable fixing ring 16 in the form of a split ring to be inserted into the connector main body 11 in a state of being stuck around the outer conductor 4 which is a straight bell pipe 5 of the coaxial cable 1; A sealing band 18 attached to the circumferential surface of the cable retaining ring 16 to be sealed around the outer conductor 4 through a tightening action of the cable retaining ring 16 together with the sealing action; An insert ring (19) for supporting one end of an outer conductor (4) of a coaxial cable (1) attached to the cable fixing ring (16); And a clamp nut 20 which is spirally coupled to the rear end of the connector main body 11 in a state where the coaxial cable 1 is inserted. The reference numeral 17 denotes a sealing band binding groove 17 formed in the circumferential direction on the circumferential surface of the cable fixing ring 16 for binding the sealing band 18.

The assembling process of the conventional coaxial cable 1 and the coaxial cable connector 10 constructed as described above will be briefly described. First, around the outer conductor 4 of the coaxial cable 1, which is the straight type bellows 5, The cable fixing ring 16 is attached and then the sealing band 18 is fastened to the circumferential surface of the cable fixing ring 16 to fasten the cable fixing ring 16 through the elastic force of the sealing band 18, The conventional cable 1 is inserted into the rear of the connector body 11 by inserting the cable fixing ring 16 having the outer conductor 4 fixed thereto and the connector body 11 and the clamp nut 20 by the spiral. And the connector 10 for the coaxial cable are terminated.

However, in the case of the connection structure in which the conventional coaxial cable 1 and the coaxial cable connector 10 are assembled, the cable fixing ring 16 to which the external conductor 4 is attached is inserted into the rear inner side of the connector body 11 And then the connector main body 11 and the clamp nut 20 are connected to each other by a spiral connection. Thus, microdischarge due to a gap between the metals and microcracks during a certain period of time or a certain period of time, Nonlinear contact nonlinearity associated with particles, and natural factors such as wind vibration, various forms of moisture, temperature variations, solar thermal effects, and natural factors such as dust in the air, (1) is not fully tightly fixed to the connector (10) for coaxial cable, and flow occurs due to the clearance, so that the communication quality in the communication system deteriorates or the call is disconnected There were huge problems such as that would be.

In order to prevent the flow of the coaxial cable 1 over a predetermined period of time or for a predetermined period of time in the connection structure in which the conventional coaxial cable 1 and the coaxial cable connector 10 are assembled, The cable clamping ring 16 urged by the front end of the clamp nut 20 is pulled out of the outer conductor 4 of the coaxial cable 1 when the clamp nut 20, The diameter of the cable fixing ring 16 to which the outer diameter is tightened through the elastic force of the sealing band 18 is enlarged and is moved to the front side of the outer conductor 4, The coaxial cable 1 can not be held in close contact with the coaxial cable connector 10 due to the structural characteristics such as shaking of the coaxial cable 1 and finally, The problem with the same problems stated above is to shaking occurs in the cable (1) is generated.

In addition, when assembling the conventional coaxial cable 1 and the coaxial cable connector 10, a worker needs to place a cable fixing ring (not shown) in the form of a split ring around the outer conductor 4 of the coaxial cable 1, The cable fixing ring 16 is fastened to the circumferential surface of the cable fixing ring 16 and the cable fixing ring 16 is tightened through the elastic force of the sealing band 18, The assembling operation by the operator in the field, such as inserting the cable retaining ring 16, which is engaged with the cable retaining ring 16, inside the connector body 11 and connecting the connector main body 11 and the clamp nut 20 by spirals It is very troublesome and inconvenient, and the assembling time for this is too long.

Further, in the case of the connection structure in which the conventional coaxial cable 1 and the coaxial cable connector 10 are assembled, it is inserted into the contact 14 of the coaxial cable connector 10 to tightly hold the internal conductor 2, The connecting portion between the coaxial cable 1 and the connector 10 for the coaxial cable due to an external impact, that is, the sealing band 18, The distance between the cable fixing ring 16 and the outer conductor 4 where the outer diameter is tightened through the elastic force of the coaxial cable 1 is loosened and the coaxial cable 1 is not completely fixed to the coaxial cable connector 10, The communication quality degrades or the call is disconnected in the communication system, which causes the same problems as the above-mentioned problems.

The present invention devised to solve the above problems, the cable clamp is transferred to the insert ring side through the screw transfer force by the screw fastening of the clamp nut and the connector body, the outer side of the coaxial cable screwed with the cable clamp As the conductor is pushed to the rear of the insert ring and compressed, the inner conductor of the coaxial cable is coupled into the inner conductor coupling spring inserted into the contact of the connector for the coaxial cable and the center circumference of the inner conductor coupling spring is expanded. The tension of the inner conductor coupling spring prevents the flow of the coaxial cable according to the tightening action of holding the inner conductor tightly, and makes the electrical contact between the inner conductor and the contact stable, such that the coaxial cable has no flow action. Tighten completely and securely to the cable connector By assembling work of the coaxial cable connector and the coaxial cable in the field through the tightening action of the spiral coupling between the outer conductor of the coaxial cable and the cable clamp of the connector for the coaxial cable and the inner conductor coupling spring for the inserted inner conductor At the same time, the assembly time is also easier and simpler, and the purpose of the present invention can be significantly shortened compared to the conventional cable fixing ring of the split structure having a tightening action by the sealing band.

In addition, in the case of the present invention through the coupling process between the coaxial cable connector and the coaxial cable as described above it is possible to ensure a uniform coupling and electrical contact state between the contacts of the coaxial cable connector and the inner conductor of the coaxial cable, Another purpose is to block the cause of the occurrence of PIMD so that performance can be improved accordingly.

The coaxial cable and the connector for the coaxial cable of the present invention for solving the above object, the inner wire of the core form, the insulator surrounding the inner conductor, the outer conductor surrounding the insulator, and the coaxial cable as the outer shell surrounding the outer conductor Configure, but form the outer conductor in a spiral corrugated pipe structure,

Connector body having a center pin at the front center, Coupling nut rotatably coupled to the front side of the connector body, Installed at the inner center of the connector body in contact with the rear end of the center pin A contact for transmitting an electrical signal of the inner conductor to the center pin through coupling with the inner conductor; It is inserted into the contact, the tension between the inner circumference is reduced in accordance with the presence or absence of the inner conductor to hold the combined inner conductor tightly to prevent flow and at the same time stable electrical contact between the inner conductor and the contact A hollow cylindrical inner conductor coupling spring which serves as a conduction medium to achieve a shape; An insulator that blocks an electric signal from flowing through the inner conductor coupling spring and the contact to the connector body; A cable clamp inserted into the connector body in a state where the screw is coupled to the outer conductor of the coaxial cable; An insert ring for supporting one end of an outer conductor of the coaxial cable screwed to the cable clamp; The coaxial cable is screwed between the outer conductor of the coaxial cable and the cable clamp of the coaxial cable connector by constituting a connector for the coaxial cable with a clamp nut spirally coupled to the rear end of the connector body with the coaxial cable inserted therethrough. The cable clamp pressurized by the front end of the clamp nut entering the rear of the coaxial cable connector through the screw feed force of the inserted penetrated clamp nut and the connector body is transferred to the insert ring side. The outer conductor of the coaxial cable screwed to the cable clamp is also completely fixed to the connector for the coaxial cable through a length shorter that is pressurized and compressed to the rear of the insert ring, and the inner conductor inserted into the contact of the connector for the coaxial cable. Inside view of coaxial cable into coupling spring Coupling structure that prevents flow action on the coaxial cable and secures electrical contact between the inner conductor and the contact by holding the inner conductor tightly by tensioning action of expanding the center circumference of the inner conductor coupling spring when the wire is coupled. It is characterized by that.

According to the present invention, while the cable clamp is transferred to the insert ring side through the screw transfer force of the clamp nut and the connector body, the outer conductor of the coaxial cable screwed to the cable clamp is transferred to the rear of the insert ring. The inner conductor coupling spring is compressed, and the inner conductor coupling spring is tensioned so that the inner circumference of the inner conductor coupling spring is inserted into the inner conductor coupling spring inserted into the connector of the coaxial cable connector. The coaxial cable flow is prevented by tightening the inner conductor and the electrical contact between the inner conductor and the contact is stably established, so that the coaxial cable is completely fixed to the connector for the coaxial cable without the flow action of the coaxial cable. By assembling the outer conductor of the coaxial cable The assembly of the coaxial cable connector and the coaxial cable in the field through the screwing action between the cable clamp of the connector and the coaxial cable connector and the inner wire coupling spring to the inserted inner conductor. The assembly time also has an excellent effect, such as can be significantly shortened compared to the cable fixing ring of the split structure having a tightening action by the conventional sealing band.

In addition, through the coupling process between the coaxial connector and the coaxial cable as described above, it is possible to ensure a uniform coupling and electrical contact state between the contact of the coaxial connector and the inner conductor of the coaxial cable, as well as the occurrence of PIMD It also has the effect of blocking the cause and improving the performance accordingly.

1 is a cross-sectional view schematically showing an assembly state of a conventional coaxial cable and a connector for a coaxial cable.
Figure 2 is a perspective view schematically showing a state in which the coaxial cable and the coaxial cable connector of the present invention is assembled.
Figure 3 is an exploded view of the connector for the coaxial cable and coaxial cable according to the present invention.
Figure 4 is a cross-sectional view showing the assembled state of the coaxial cable and coaxial connector for the present invention.
Figure 5 is a detailed view of the inner conductor coupling spring of the connector for the coaxial cable for the present invention.
Figure 6a and Figure 6b is a state diagram showing the assembly process of the coaxial cable and coaxial connector for the present invention.

The coaxial cable and the coaxial cable connector (hereinafter, referred to as a coaxial cable and a coaxial cable connector) connected by a spring and spiral fastening press-fit method will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view schematically showing a state in which the coaxial cable and the connector for the coaxial cable of the present invention is assembled, Figure 3 shows an exploded view of the connector for the coaxial cable and coaxial cable for the present invention, Figure 4 is in the present invention This is a cross-sectional view showing the assembly state of the coaxial cable and the connector for the coaxial cable.

In addition, Figure 5 shows a detailed view of the inner wire coupling spring of the connector for the coaxial cable according to the present invention.

Before explaining the connection structure of the coaxial cable (1a) and the coaxial cable connector (10a) of the present invention in detail, the same configuration as the connection structure of the conventional coaxial cable (1) and the connector for the coaxial cable (10) The same symbol shall apply.

Coaxial cable (1a) applied to the present invention for this is, as shown in Figures 2 to 4 and the inner conductor 2 of the core wire form; An insulator (3) surrounding the internal conductor (2); An outer conductor (4a) surrounding said insulator (3); And a sheath 6 surrounding the outer conductor 4a. The outer conductor 4a is formed in a spiral-shaped corrugated pipe 5a.

In addition, the connector that is electrically connected to the coaxial cable (1a) configured as described above, that is, the coaxial cable connector (10a), as shown in Figures 2 to 4, the center pin 12 in the center of the front (front) A cylindrical connector body 11 provided; A coupling nut 13 rotatably coupled to the front side of the connector body 11; It is installed at the inner center of the connector main body 11 in contact with the rear end of the center pin 12, the electrical signal of the inner conductor (2) through the coupling with the inner conductor (2) center pin 12 A contact 14 for transmitting to the side; The inner 14 is inserted into the contact 14 and holds the combined inner conductor 2 tightly through a tensioning action in which a central circumference is enlarged and reduced in accordance with whether the inner conductor 2 is coupled, thereby preventing flow. A hollow cylindrical inner conductor coupling spring 22 serving as a conduction medium to make stable electrical contact between the inner conductor 2 and the contact 14; An insulator (15) that blocks electrical signals from the inner conductor (2) to the connector body (11) via the inner conductor coupling spring (22) and the contact (14); A cable clamp 16a inserted into the connector main body 11 while being screwed with the outer conductor 4a of the coaxial cable 1a; An insert ring (19) for supporting one end of an outer conductor (4a) of the coaxial cable (1a) screwed to the cable clamp (16a); The coaxial cable (1a) is inserted through the clamp nut 20 is coupled to the rear end of the connector main body 11 in the inserted state.

In the case of the coaxial cable 1a and the coaxial cable connector 10a of the present invention configured as described above, screw coupling is performed between the outer conductor 4a of the coaxial cable 1a and the cable clamp 16a of the coaxial cable connector 10a. The clamp nut 20 entering the rear of the coaxial cable connector 10a through a screw transfer force by screwing the clamp nut 20 through which the coaxial cable 1a is inserted and the connector body 11 together. The outer conductor 4a of the coaxial cable 1a screwed with the cable clamp 16a is also transferred to the insert ring 19 while the cable clamp 16a pressurized by the front end of the cable is inserted into the insert ring 19. An inner conductor coupling spring inserted into the contact 14 of the coaxial cable connector 10a while being completely tightly fixed to the coaxial cable connector 10a through a shorter length that is compressed and compressed to a rear side of the feeder 19. 22) Coaxial Cable Inward When the inner conductor (2) of (1a) is engaged, the inner wire (2) is tightly held by a tensioning action in which the center circumference of the inner conductor coupling spring (22) is enlarged so that the flow action on the coaxial cable (1a) In addition, it is prevented and consists of a coupling structure which makes stable electrical contact between the inner conductor 2 and the contact 14.

The coaxial cable 1a and the coaxial cable connector 10a of the present invention having such a coupling structure will be described in detail as follows.

First, as a coaxial cable (1a), which has the same structure as a conventional coaxial cable (1), but helix coupling with the cable clamp (16a) of the coaxial cable connector (10a) corresponding to the outer conductor (4a) According to the spiral corrugated tube (5a) for the spiral coupling between the outer conductor (4a) of the coaxial cable (1a) and the cable clamp 16a of the coaxial cable connector (10a) as described above The assembly of the coaxial cable connector 10a and the coaxial cable 1a is easier and simpler, and at the same time, the assembly time is also divided into a cable fixing ring 16 having a tightening action by a conventional sealing band 18. It has a technical feature such as can be significantly shortened compared to the method, and in this regard detailed description of the internal conductor (2), the insulator (3) and the shell (6) of the conventional configuration will be omitted.

Then, the coaxial cable connector 10a to which the coaxial cable 1a is assembled and fixed also has the same structure as the conventional coaxial cable connector 1, and the outer conductor 4a of the coaxial cable 1a The cable clamp 16a inserted into the connector body 11 in a screwed state is a spiral corrugated pipe 5a rather than a split cable fixing ring 16 having a tightening action by a sealing band 18. Female screw hole for the spiral coupling with the outer conductor (4a) and at the same time made of a hollow circular ring so that the assembly can be made through the outer conductor (4a) and the spiral coupling of the coaxial cable (1a) of the form A spiral formed between the outer conductor 4a of the coaxial cable 1a and the cable clamp 16a of the coaxial cable connector 10a, as shown in the coaxial cable 1a. Combine through the scene The assembly of the coaxial cable connector 10a and the coaxial cable 1a is easier and more convenient, and at the same time, the assembly time is also divided into the cable fixing ring 16 having a tightening action by the conventional sealing band 18. Compared to the method, it can be greatly shortened.

In addition, in the case of the cable clamp 16a, the outer conductor 4a of the coaxial cable 1a and the coaxial cable connector 10a of the coaxial cable 1a and the coaxial cable connector 10a are assembled. The cable clamp 16a is inserted into and fixed to the rear inner side of the connector body 11 in a state where the cable clamp 16a is spirally coupled, or the cable clamp 16a is separated from each other by the connector body 11, or the connector body ( 11, the cable clamp 16a is formed in an integrated structure (not shown) in the rear inner side, and the outer conductor 4a of the coaxial cable 1a is directly connected to the integrated cable clamp 16a as described above. Combining spirals is easier and simpler to assemble in the field, and the assembly time can also achieve a characteristic effect that can be shortened.

In addition, in the case of the inner conductor coupling spring 22, the inner conductor 2 coupled to the inner conductor 2 through a tension action is inserted into the contact 14 and the center circumference is enlarged and reduced depending on whether the inner conductor 2 is engaged. It is a component that secures the electrical contact between the inner conductor 2 and the contact 14 while being secured by holding it tightly, and as shown in FIG. 5, the entire shape is curved inwardly from both ends to the center side. It is formed in the shape of a janggu having a difference in diameter, wherein at one end of the inner conductor coupling spring 22 is formed a cutout portion 23 for varying the diameter size according to the diameter size in the contact 14, On the circumferential surface of the inner conductor coupling spring 22, the tensioning action is performed to smoothly reduce the diameter of the center circumference according to the moldability and the presence or absence of the inner conductor (2) during manufacture. Salppaegi of the slot type holes 24 are formed for penetrating in the equal intervals.

The coupling nut 13, the contact 14, the insulator 15 and the connector body 11 including the center pin 12 among the components of the coaxial cable connector 10a configured as described above. The clamp nut 20 may be referred to as a conventional component applied to the connector 10 for a conventional coaxial cable. In the case of the connector main body 11 and the coupling nut 13, the present applicant was filed in 2012. The same structure as the coupling structure of the coupler, which is freely rotatably coupled to the front end of the body, among the components of the patent registered on April 12, "Coaxial connector with scratch prevention means (Registration No. 10-1137806)". Since it is made in detail for this description, please refer to the corresponding patent registration publication of the present applicant, the other components, that is, the assembly fixed to the inside of the connector body 11 and the rear end of the connector body 11 The insulator 15 and the coaxial cable 1a, which are the insulators of the insulating action to cut off electricity and the like, together with the contact 14 coupled to the inner conductor 2 of the coaxial cable 1a, etc. In the case of the clamp nut 20 which is a hollow cylindrical body and a male thread is formed on the outer circumferential surface of the front surface so as to be helically coupled to the female screw formed at the rear end of the connector body 11 with the penetrating through), a connector for a conventional coaxial cable Since all of the components used in (10) are basically the same structure and mutually the same structure, detailed description thereof will also be omitted like the coaxial cable (1a).

In addition, the insert ring 19 is also a common component in the form of a hollow circular ring, but is spirally coupled with the cable clamp 16a of the coaxial cable connector 10a so as to front the cable clamp 16a. While the inner conductor 2 and the insulator 3 of the coaxial cable 1a are supported by one end of the outer conductor 4a of the coaxial cable 1a, which protrudes from running further, the inner center of the insert ring 19 The diameter of the cable insertion hole 19a formed in the center of the insert ring 19 is larger than the outer diameter of the insulator 3 and smaller than the outer diameter of the outer conductor 4a so as to pass therethrough. When the cable insertion hole 19a of the same size is formed in the center of the insert ring 19, the technical features of the present invention for solving the problems caused by the assembly of the conventional coaxial connector 10 and coaxial cable (1). Coaxial as above The clamp nut 20 and the connector body 11 through which the coaxial cable 1a is inserted together with the screw connection between the outer conductor 4a of the plug 1a and the cable clamp 16a of the coaxial connector 10a. The cable clamp 16a pressed by the front end of the clamp nut 20 entering the rear of the coaxial cable connector 10a through the screw transfer force by the screw fastening of the screw to the insert ring 19 side. The outer conductor 4a of the coaxial cable 1a screwed to the cable clamp 16a while being conveyed is also conveyed to the rear surface of the insert ring 19 and pressed against the coaxial cable 1a through a shortened length that is compressed. It can be completely fixed to the coaxial cable connector 10a without flow action.

As described above, while the cable clamp 16a is transferred to the insert ring 19 through the screw transfer force of the clamp nut 20 and the connector main body 11, the cable clamp 16a and the screw are screwed. The inner conductor (2) into the inner conductor coupling spring (22) inserted into the contact (14) at the same time as the outer conductor (4a) of the coupled coaxial cable (1a) is transferred to the rear of the insert ring (19) and pressed. The coaxial cable according to the tightening action of the inner conductor coupling spring 22 to hold the inner conductor (2) through the tension action that the center circumference of the inner conductor coupling spring 22 is expanded while the coupling is made The flow of 1a) is prevented and the electrical conductor is stably made to the contact between the inner conductor 2 and the contact 14, and is completely tightly fixed to the connector 10a for the coaxial cable without the flow action to the coaxial cable 1a. condition When assembled, the coaxial cable connector 10a in the field through a spiral coupling between the outer conductor 4a of the coaxial cable 1a and the cable clamp 16a of the coaxial cable connector 10a, which is a characteristic effect of the present invention. And assembling of the coaxial cable 1a can be made easier and simpler, and the assembly time can also be shortened significantly compared to the conventional cable fixing ring 16 having a divided structure having a tightening action by the sealing band 18. Of course, it is possible to ensure a uniform coupling and electrical contact state between the contact 14 of the coaxial connector 10a and the inner lead 2 of the coaxial cable 1a, and also through the cause of the occurrence of PIMD. Performance improvement can be achieved for PIMD, such as preventing poor call quality or dropped calls in a communication system, where Passive Intermodulation Distortion (PIMD) is used when two or more signal frequencies Intermodulation Distortion (IMD) phenomenon, which causes unwanted parasitic signals by interfering with each other, occurs in passive devices.The cause of the PIMD is microdischarge or microdischarge caused by gaps and microcracks between metals. Contact nonlinearity and wind vibrations, nonlinearities associated with surface dust and metal particles, various forms of moisture, temperature changes, thermal additions from the sun, and natural factors such as dust in the air. The cause of PIMD can improve the performance of PIMD, such as preventing the call quality from dropping or disconnecting in the communication system.

Then, the components of the coaxial connector 10a, that is, between the connector body 11 and the coupling nut 13, between the connector body 11 and the clamp nut 20, and inside the clamp nut 20 It is provided with a sealing member 21 for preventing rain water or fine dust flowing from the outside into the connector body 11 and the connector body 11 and the coaxial cable (1a) connection portion.

Hereinafter, an embodiment of the coaxial cable 1a and the coaxial cable connector 10a according to the present invention will be described in detail with reference to the accompanying drawings.

6a and 6b is a state diagram showing the assembly process of the coaxial cable and the connector for the coaxial cable according to the present invention.

Spirally coupling the clamp nut 20 through which the coaxial cable 1a is inserted into the connector body 11 of the coaxial cable connector 10a during the assembly process of the coaxial cable 1a and the coaxial cable connector 10a. Prior to this, as shown in (a) of FIG. 6a, a hollow ring-shaped cable in which an outer conductor 4a of a coaxial cable 1a made of a spiral corrugated pipe 5a and a female screw hole 17a are formed in the inner center thereof. After the clamps 16a are spirally coupled to each other, the cable clamps 16a having the outer conductors 4a spirally inserted are inserted into the rear inner side of the connector body 11 as described above, and then the connector body 11 and the clamps are inserted. The nut 20 is screwed together.

At this time, the cable clamp 16a through which the coaxial cable 1a is inserted together with the connector body 11 and the external conductor 4a into which the cable clamp 16a to which the outer conductor 4a is spirally inserted is inserted as described above. When the spiral is coupled, as shown in (b) of FIG. 6a, through the screw feed force by screwing the clamp nut 20 and the connector body 11 to the rear of the coaxial cable connector 10a. The cable clamp 16a pressurized by the front end of the entering clamp nut 20 is transferred to the insert ring 19 side, and the outer conductor of the coaxial cable 1a screwed to the cable clamp 16a. (4a) is also conveyed to the rear of the insert ring 19, wherein the inner conductor (2) and the insulator (3) of the coaxial cable (1a) is a cable insertion hole (19a) penetrated in the center of the insert ring (19) Of the connector body 11 in a state of contacting the rear end of the center pin 12 through The coaxial cable 1a which is conveyed to the contact 14 installed in the center portion, but is helically coupled to the cable clamp 16a of the coaxial cable connector 10a and protrudes forward of the cable clamp 16a. One end of the outer conductor 4a is caught by the insert ring 19 so that it can not proceed any further and is supported.

At this time, in the case of the inner conductor 2 passing through the cable insertion hole 19a of the insert ring 19 to the contact 14 through the above-described process, the entire protruding length is coupled to the inner conductor inserted into the contact 14. Only part of the spring 22 is not completely inserted into the insert 22, and the shape of the inner conductor coupling spring 22 is such that the circumferential surface is bent inwardly from both ends to the center. do.

When the clamp nut 20 spirally coupled to the connector body 11 in the assembled state is further tightened, it is pressed by the front end of the clamp nut 20 as shown in FIG. 6B. As the cable clamp 16a is further conveyed to the insert ring 19 side, the outer conductor 4a of the coaxial cable 1a abutting against the rear surface of the insert ring 19 is pressed, and a shortening of the lengthwise compression is performed. At the same time, the inner conductor 2 of the coaxial cable 1a partially inserted into the inner conductor coupling spring 22 inserted into the contact 14 is also further deeply coupled into the inner conductor coupling spring 22. The tension of the inner circumference of the inner conductor coupling spring 22 is expanded so that the flow of the coaxial cable 1a is tightened as the inner conductor coupling spring 22 holds the inner conductor 2 tightly. Prevented and depressed The inner conductor 2 and the contact is to be assembled with the 14 stably fixed to the electrical full close contact forming a contact point such as the coaxial cable (1a) coaxial cable connector (10a) for acting without flow for between states.

As described above, the above-described embodiment is described with respect to the most preferred example of the present invention, but is not limited to the above embodiment, and it is apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention. .

1a. Coaxial cable 2. internal lead
3. Insulation 4a. Outer conductor
5a. Spiral corrugated pipe 6. Sheath
10a. Connector for coaxial cable 11. Connector body
12. Center pin 13. Coupling nut
14. Contact 15. Insulator
16a. Cable clamp 17a. With female thread
19. Insert ring 19a. Cable insertion hole
20. Clamp nut 21. Sealing member
22. Inner conductor coupling spring 23. Incision
24. Fat Loss Hole

Claims (3)

Coaxial as the inner conductor 2 in the form of a core wire, the insulator 3 surrounding the inner conductor 2, the outer conductor 4a surrounding the insulator 3, and the outer shell 6 surrounding the outer conductor 4a. Comprising a cable (1a), the outer conductor (4a) to form a spiral corrugated pipe (5a) structure,
Connector body 11 having a center pin 12 in the front center, a coupling nut 13 rotatably coupled to the front side of the connector body 11, and the center pin 12 Is installed at the inner center of the connector main body 11 in a state of being contacted to the rear end thereof, and a contact for transmitting an electrical signal of the inner conductor 2 to the center pin 12 through coupling with the inner conductor 2. 14); The inner 14 is inserted into the contact 14 and holds the combined inner conductor 2 tightly through a tensioning action in which a central circumference is enlarged and reduced in accordance with whether the inner conductor 2 is coupled, thereby preventing flow. A hollow cylindrical inner conductor coupling spring 22 serving as a conduction medium to make stable electrical contact between the inner conductor 2 and the contact 14; An insulator (15) that blocks electrical signals from the inner conductor (2) to the connector body (11) via the inner conductor coupling spring (22) and the contact (14); A cable clamp 16a inserted into the connector main body 11 while being screwed with the outer conductor 4a of the coaxial cable 1a; An insert ring (19) for supporting one end of an outer conductor (4a) of the coaxial cable (1a) screwed to the cable clamp (16a); The outer conductor of the coaxial cable 1a is formed by configuring the coaxial cable connector 10a with a clamp nut 20 that is spirally coupled to the rear end of the connector body 11 while the coaxial cable 1a is inserted therethrough. 4a) and screw feed force by screwing the clamp nut 20 through which the coaxial cable 1a is inserted and the connector body 11 together with the screw coupling between the cable clamp 16a of the connector 10a for the coaxial cable. The cable clamp 16a pressurized by the front end of the clamp nut 20 entering the rear of the coaxial cable connector 10a through the insert ring 19 is transferred to the cable clamp 16a. The outer conductor 4a of the coaxial cable 1a coupled with the screw is also completely fixed to the coaxial cable connector 10a through a length shorter that is pressurized by being fed and pressed to the rear of the insert ring 19, and the coaxial Of the cable connector (10a) When the inner conductor 2 of the coaxial cable 1a is coupled into the inner conductor coupling spring 22 inserted into the text 14, the inner conductor is tensioned through the tensioning action of expanding the center circumference of the inner conductor coupling spring 22. (2) is tightly coupled to prevent the flow action on the coaxial cable (1a) and to make a stable electrical contact between the inner conductor (2) and the contact (14),
The inner conductor coupling spring 22 is formed in the shape of a janggu having the diameter difference inwardly bent inwardly from both ends to the center side, the one end is an incision for varying the diameter size according to the diameter size in the contact (14) A connector for a coaxial cable connected to the coaxial cable by a spring and spiral fastening press-in method characterized in that the (23) is formed. delete The circumferential surface of the inner conductor coupling spring (22) according to claim 1 so as to smoothly perform the tensioning action to enlarge and reduce the diameter of the center circumference according to the formability and coupling of the inner conductor (2) during manufacturing A connector for a coaxial cable connected to the coaxial cable by a spring and spiral fastening press-in method, characterized in that the through-holes 24 are formed at equal intervals.
KR2020130000938U 2013-02-05 2013-02-05 A coaxial cable connecter for coupling to coaxial cable of type indentation clamping a screw and spring KR200468838Y1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101630684B1 (en) * 2014-12-30 2016-06-16 농업회사법인 에이앤피테크놀로지주식회사 Rf coaxial connector
KR20160110825A (en) * 2015-03-13 2016-09-22 한국남부발전 주식회사 The connector for preventing seperation
KR20180078662A (en) * 2016-12-30 2018-07-10 주식회사 에이플러스알에프 a connector for a coaxial cable
KR102432691B1 (en) * 2021-07-26 2022-08-17 주식회사유비씨에스 Connector assembly for communication cable
KR102432690B1 (en) * 2021-07-26 2022-08-17 주식회사유비씨에스 Connector assembly for communication cable

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KR20070110775A (en) * 2006-05-15 2007-11-20 앤드류 코포레이션 Connector with corrugated cable interface insert
KR20080074779A (en) * 2007-02-08 2008-08-13 앤드류 코포레이션 Annular corrugated coaxial cable connector with polymeric spring finger nut
KR20100083352A (en) * 2009-01-13 2010-07-22 엘에스전선 주식회사 Connector for coaxial cable

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KR20070110775A (en) * 2006-05-15 2007-11-20 앤드류 코포레이션 Connector with corrugated cable interface insert
KR20080074779A (en) * 2007-02-08 2008-08-13 앤드류 코포레이션 Annular corrugated coaxial cable connector with polymeric spring finger nut
KR20100083352A (en) * 2009-01-13 2010-07-22 엘에스전선 주식회사 Connector for coaxial cable

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101630684B1 (en) * 2014-12-30 2016-06-16 농업회사법인 에이앤피테크놀로지주식회사 Rf coaxial connector
KR20160110825A (en) * 2015-03-13 2016-09-22 한국남부발전 주식회사 The connector for preventing seperation
KR101702210B1 (en) 2015-03-13 2017-02-03 한국남부발전 주식회사 The connector for preventing seperation
KR20180078662A (en) * 2016-12-30 2018-07-10 주식회사 에이플러스알에프 a connector for a coaxial cable
KR102123717B1 (en) * 2016-12-30 2020-06-16 주식회사 에이플러스알에프 a connector for a coaxial cable
KR102432691B1 (en) * 2021-07-26 2022-08-17 주식회사유비씨에스 Connector assembly for communication cable
KR102432690B1 (en) * 2021-07-26 2022-08-17 주식회사유비씨에스 Connector assembly for communication cable
KR20230017152A (en) * 2021-07-26 2023-02-03 주식회사유비씨에스 Connector assembly for communication cable
KR102604288B1 (en) * 2021-07-26 2023-11-21 주식회사유비씨에스 Connector assembly for communication cable

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