CN201117891Y - coaxial connector - Google Patents

Abstract

The utility model discloses a coaxial connector. The coaxial connector comprises an insulating base, a main shell and a connecting terminal. The insulating base body is provided with a jack slot and a containing slot communicated with the jack slot. The main shell is covered with an insulating base. The connecting terminal comprises a guide connection part, an anti-falling arm which is folded from one end edge of the guide connection part to one side and then extends parallel to the guide connection part and is superposed above the guide connection part, and two contact parts which are respectively folded from two side edges of the guide connection part to the other side of the guide connection part and extend, wherein the guide connection part and the anti-falling arm are arranged in a containing groove of the insulating base body, the two contact parts are arranged in a jack groove of the insulating base body, and the two contact parts are respectively inwards bent to form a protruding clamping part. The utility model discloses a protruding clamp part centre gripping butt joint connector's plug and realize with butt joint connector's firm contact.

Description

coaxial connector

technical field

The utility model relates to a connector, in particular to a coaxial connector which is in stable contact with a butt connector.

Background technique

The coaxial connector is one of the indispensable components of communication products, which is connected with a coaxial cable to transmit high-frequency signals. The coaxial connector usually needs to be matched with a mating connector, and the connection terminal of the coaxial connector is connected to the plug terminal of the mating connector to realize the connection between the coaxial connector and the mating connector, thereby transmitting signals.

However, when in use, the connecting terminal of the coaxial connector clamps the plug terminal of the butt connector with insufficient strength, and the butt connector is easily loosened from the coaxial connector, so that the signal is connected between the coaxial connector and the butt joint. The transmission between devices is unstable.

Utility model content

The purpose of this utility model is to provide a coaxial connector with stable contact for the defects of the above-mentioned background technology.

To achieve the above object, the coaxial connector of the present invention includes an insulating base, a shielding shell and a connecting terminal. An insertion slot and an accommodating slot communicated with the insertion slot are provided on the insulating base. The shielding shell covers the insulating seat. The connection terminal includes a lead part, an anti-drop arm which is folded from one end edge of the lead part to one side and then extends parallel to the lead part The two contact parts are vertically bent and extended towards the other side of the guide part respectively. The guide part and the anti-drop arm are placed in the accommodating groove of the insulating seat body, and the two contact parts are placed in the socket groove of the insulating seat body , and the two contact parts are respectively bent inward to form a protruding clip part.

To sum up, the coaxial connector of the present invention clamps the plug terminal of the mating connector through the protruding clip of the contact portion of the connecting terminal to generate mutual interference force, so that the mating connector and the coaxial connector are in stable contact.

Description of drawings

In the accompanying drawings

FIG. 1 is a three-dimensional assembled view of an embodiment of the coaxial connector of the present invention.

FIG. 2 is a perspective view of components of the coaxial connector shown in FIG. 1 before assembly.

FIG. 3 is a perspective view of a connection terminal of the coaxial connector shown in FIG. 1 .

Fig. 4 is a sectional view along line IV-IV of the coaxial connector shown in Fig. 1 after the coaxial cable is inserted.

FIG. 5 is a cross-sectional view along line V-V of the coaxial connector shown in FIG. 1 when it is plugged into the mating connector.

The reference numerals of each element in the figure are explained as follows:

coaxial connector 1

Connecting terminal 10 Leading part 11

Anti-drop arm 12 protrusion 121

Contact part 13 Protruding clip part 131

Bevel 132 Insulation base 20

Main body 21 Base 211

Socket groove 2111 lateral wall 212

Accommodating slot 213 Positioning block 2121

Middle cover 22 Main housing 30

Tubular part 31 Opening 311

Clamping arm 312 Positioning hole 313

Fastening part 32 Fastening plate 321

1st lug 322 2nd lug 323

Square hole 3231 upper shell 40

Base plate 41 First wing 42

bump 421 second wing 43

Boss 431 Notch 432

Coaxial cable 50 Center conductor 51

Insulation layer 52 Outer conductor 53

Sheath 54 Butt Connector 60

Plug terminal 61

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

For the convenience of description, it is specially stipulated that the directions in the following embodiments shall be based on the second figure.

Please refer to Fig. 1, the utility model coaxial connector 1 comprises a connecting terminal 10, an insulating base 20, a main housing 30 and an upper housing 40, wherein the main housing 30 and the upper housing 40 form a shielding The shell covers the insulating base 20 .

Please refer to FIG. 2 and FIG. 3 , the connecting terminal 10 includes a conducting portion 11 in the shape of a rectangular plate. One end edge of the guide part 11 is bent to one side and then parallel to the guide part 11, an anti-off arm 12 stacked above the guide part 11 is extended, and the end of the anti-off arm 12 is bent towards the guide part 11. Fold to form a protrusion 121 . The two side edges of the connecting portion 11 are respectively bent towards the other side of the leading portion 11 and extend two contact portions 13 approximately perpendicular to the connecting portion 11, and the middle parts of the two contacting portions 13 are respectively bent inwardly to form a The arc-shaped protruding clip portion 131 . The free ends of the two contact portions 13 respectively form a bevel 132 .

Please continue to refer to FIG. 2 , the insulating base 20 has a body portion 21 and a middle cover portion 22 . The body part 21 has a cylindrical base 211, and a receptacle groove 2111 for accommodating the contact portion 13 of the connecting terminal 10 is formed in the base 211, and a pair of lateral walls 212 protruding from the periphery of the base 211 are formed on the base 211. , the two side walls 212 encircle a receiving groove 213 communicating with the socket groove 2111, the receiving groove 213 is used to accommodate the connecting portion 11 and the anti-off arm 12 of the connecting terminal 10, and the outer side walls 212 Positioning blocks 2121 are provided on the surface. The middle cover part 22 is formed by extending vertically upward from a part of the base 211 between two side walls 212 , and the middle cover part 22 is in the shape of a strip.

The main casing 30 has a tubular portion 31 for receiving the main body 21 of the insulating base 20 and a fastening portion 32 extending upward from one end of the tubular portion 31 . An opening 311 is defined on the tube wall at one end of the tube-shaped portion 31 , and an “L”-shaped clamping arm 312 is respectively formed on both sides of the tube wall of the tube-shaped portion 31 . Near the clamping arm 312 , a positioning hole 313 is defined in the wall of the tubular portion 31 . The fastening portion 32 has a fastening plate 321 . A pair of first lugs 322 and a pair of second lugs 323 are bent and extended from two side edges of the fastening plate 321 , and a pair of holes 3231 are respectively defined in the second lugs 323 .

The upper case 40 has a base plate 41 . Two sides of the base plate 41 are bent and extended to form a pair of first wings 42 and a pair of second wings 43 . A protrusion 421 is respectively disposed on the two first wing portions 42 . A protrusion 431 is disposed on one second wing portion 43 , and a notch 432 is disposed on the other second wing portion 43 .

Please refer to Figure 1, Figure 2 and Figure 4, the assembly process of the utility model coaxial connector 1 is as follows:

Firstly, one end of the coaxial cable 50 is sequentially exposed to the sheath 54, the outer conductor 53, the insulating layer 52 and the central conductor 51, and then the central conductor 51 is inserted between the lead portion 11 of the connecting terminal 10 and the anti-dropping arm 12, and This center conductor 51 is welded on the lead-in part 11, because the distance between the protrusion 121 on the anti-off arm 12 and the lead-in part 11 is smaller than the diameter of the center conductor 51 of the coaxial cable 50, so the anti-off arm 12 can be compressed The center conductor 51 of the coaxial cable 50 .

Then, the connection terminal 10 is placed in the insulating base 20 , the lead portion 11 and the anti-off arm 12 of the connection terminal 10 are accommodated in the accommodating groove 213 , and the contact portion 13 is accommodated in the socket groove 2111 .

Then, insert the insulating seat body 20 assembled with the connecting terminal 10 into the tubular part 31 of the main housing 30, and the positioning hole 313 on the tubular part 31 is snap-fitted with the positioning block 2121 on the insulating seat body 20 to secure the insulating seat The body 20 is fixed with the main housing 30 , and the clamping arm 312 on the main housing 30 clamps the insulating layer 52 of the coaxial cable 50 .

Thereafter, the buckling portion 32 of the main housing 30 is bent backward, so that the buckling portion 32 covers the insulating seat body 20 , and at the same time, the middle cover portion 22 of the insulating seat body 20 is bent to cover the connecting terminal 10 On the anti-drop arm 12.

Finally, insert the upper case 40 into the main case 30, so that the protrusion 411 on the upper case 40 is stuck in the square hole 3231 of the main case 30, and the second lug 323 on the main case 30 is bent Wrapping the upper case 40 , the protrusion 431 of the second wing 42 on the upper case 40 is bent and accommodated in the notch 432 ; the sheath 54 of the coaxial cable 50 is also wrapped.

Please refer to Fig. 5, when a butt connector 60 is inserted into the utility model coaxial connector 1, the front end of the plug terminal 61 of the butt connector 60 first contacts the bevel 132 of the connection terminal 10, because this bevel 132 increases the insertion The area of the opening is used to guide the insertion of the plug terminal 61 of the mating connector 60, so that the insertion action is smoother. After the plug terminal 61 is fully inserted, the two sides of the plug terminal 61 contact and press the two protrusions 131 on the contact part 13, so that the contact part 13 of the connection terminal 10 expands outwards and squeezes the insulating seat covering the outside. body 20, and then clamp the plug terminal 61. Therefore, the protruding clip portion 131 of the contact portion 13 of the connection terminal 10 increases the interference force between the connection terminal 10 and the plug terminal 61 , so that the coaxial connector 1 and the mating connector 60 are in firm contact.

Claims (4)

1. A coaxial connector, comprising: an insulating base body, a shielding shell and a connecting terminal, the insulating base body is provided with a jack slot and a receiving slot communicating with the jack slot, the shielding shell includes Covering the insulating seat body, the connection terminal includes a lead part, an anti-slip arm that is folded from one end edge of the lead part to one side and then extends parallel to the lead part, and is stacked above the lead part. The two side edges of the connection part are respectively bent and extended vertically towards the other side of the connection part, and the connection part and the anti-drop arm are placed in the accommodation groove of the insulating seat body, and the two contact parts are placed in the insulating seat body The socket slot is characterized in that: the two contact parts are respectively bent inward to form a protruding clip part. 2. The coaxial connector according to claim 1, wherein the shielding shell comprises a main shell and an upper shell, the main shell is provided with a square hole, and the upper shell is provided with a There is a protrusion, and the protrusion is buckled in the square hole. 3. The coaxial connector according to claim 1, characterized in that: the tails of the two contact parts are respectively formed with an oblique angle. 4 . The coaxial connector according to claim 1 , wherein the end of the anti-dropping arm is bent toward the guiding portion to form a protrusion.

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