TWI550973B - Plug connector structure - Google Patents

Description

Plug connector structure

The invention relates to a plug connector structure, in particular to a plug base which is short-circuited with a plug, and the plug is inserted into the socket connector, and after a certain depth, the signal limiting component is pressed inwardly. Keep the plug and the plug base in a non-conducting state to ensure that the plug connector and the socket connector are connected to each other without any signal transmission, no disturbing noise, and plug connector and socket connector After the connection is completed, there will be signal transmission, which will make the signal transmission more precise and the perfect plug connector structure innovation.

According to the currently commercially available signal transmission plug connector, such as Taiwan Invention No. I382608 "Plug connector and its manufacturing method", as shown in the second and fifth figures, the plug 2 includes a holding portion 23 and extends forward from the holding portion. The abutting portion 20 and the welding tail portion 24 extending rearward from the holding portion 23. The outer surface of the holding portion 23 is convexly provided with two convex rings 230, and an annular groove 231 is formed between the two convex rings 230. The abutting portion 20 includes a metal head portion 21 and a cylindrical body portion 22, and the main body portion 22 is wrapped. The plurality of metal rings 220 are covered, and the insulating portions 221 are disposed between the adjacent metal rings 220 and between the metal rings 220 and the metal heads 21 to electrically isolate each other; the solder tails 24 extend rearward from the center of the ends thereof. The metal cylinder 241 and the plurality of metal sheets 242 on the rings of different radii. The metal rings 220 on the abutting portion 20 are electrically connected to the plurality of metal pieces 242 on the solder tail portion 24 in one-to-one correspondence. Referring to the second and third figures, the wires (not shown) in the cable 3 are soldered to the metal post 241 and the plurality of metal pieces 242 on the solder tail 24 of the plug 2 to electrically connect the two. The inner mold 4 is wrapped around the area where the cable 3 is welded to the solder tail 24 of the plug 2 for protecting the area where the cable 3 is soldered to the plug 2. Referring to the first to fifth figures, the first outer mold 5 is externally molded on the periphery of the partial inner mold 4 and the cable 3, and has a substantially hollow annular shape, including a front end annular portion 51 and a rear end. Annular portion 52, wherein the outer diameter of the rear end annular portion 52 The outer diameter of the front end annular portion 51 is larger than that of the front end annular portion 51, and a filling space is provided around the front end annular portion 51. A platform 511 is protruded from the circular outer surface of the front end annular portion 51. The platform 511 is provided with a recess 512 extending to the rear end annular portion 52. A grip member 7 can be assembled in the recess 512. An inclined portion 513 is protruded from the rear portion of the front end annular portion 51 adjacent to the rear end annular portion 52. The inclined surface of the inclined portion 513 connects the outer surface of the front end annular portion 51 and the outer surface of the rear end annular portion 52. . In this way, the inclined portion 513 can increase the strength of the first outer mold 5 after one molding, and at the same time, in the secondary molding, the inclined portion 513 can change the direction of the flow material, thereby reducing the heat receiving area and the filling volume during the secondary molding, thereby It is ensured that the joint faces of the first outer mold 5 and the second outer mold 6 are not deformed.

The plug 2 and the cable die 4 of the aforementioned conventional device are in a state of signal communication at all times. Therefore, when the user plugs the conventional plug connector and the socket connector into each other, the signal is immediately applied. Transmission to the plug connector causes the signal insertion process of the plug connector and the socket connector to generate unnecessary signal noise, causing trouble.

For this reason, the inventors have accumulated years of experience in designing and manufacturing related products, and have studied the problems of the aforementioned conventional plug connectors, and have invented the present invention.

The object of the present invention is to provide an innovation in the structure of a plug connector for transmitting a signal of a microphone or an audio, mainly to prevent the plug connector and the socket connector from interfacing with each other, causing disturbing noise, requiring a plug After the connector is connected to the socket connector, the signal transmission will be carried out, which makes the signal transmission more precise and perfect.

In order to achieve the foregoing object, the present invention relates to a plug connector structure in which a plug signal assembly is provided with a signal limiting member which normally causes a short state between the plug and the plug base, and the plug connector is inserted into the socket connector to reach After a certain depth, the signal limiting component can be pressed inwardly, so that the plug and the plug base are in a non-conducting state, so as to ensure that the plug connector and the socket connector are plugged together, and no signal is transmitted. There will be no disturbing noise, and the signal transmission will be carried out after the plug connector and the socket connector are connected, so that the signal transmission is more precise and perfect.

1‧‧‧ plug base

10‧‧‧Setting slot

100‧‧‧ ring wall

101‧‧‧ Straight wall

11‧‧‧through hole

2‧‧‧plug assembly

20‧‧‧Outer casing

20a‧‧‧through hole

200‧‧‧ Inner Ring

201, 201a‧‧‧ slotting

21‧‧‧ inner casing

21a‧‧‧through hole

22‧‧‧Conductor components

22a‧‧‧through hole

220‧‧‧Long tube

221‧‧‧Small ring

222‧‧‧Open slot

23‧‧‧Insulation components

23a‧‧‧through hole

230‧‧‧ Short tube

231‧‧‧ Large ring

24‧‧‧Card components

240‧‧‧Terminal slot

25‧‧‧ terminals

250‧‧‧ back end

3‧‧‧Signal limiting components

30‧‧‧through hole

31‧‧‧ front ring wall

32, 32a‧‧‧ orientation parts

33‧‧‧容槽

34‧‧‧Flexible components

4‧‧‧Insulated base

40‧‧‧through hole

41‧‧‧Front tube

42‧‧‧Terminal Limiting Slot

5‧‧‧ Grounding terminal

4a, 4b‧‧‧Insulated base

5a, 5b‧‧‧ grounding terminal

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a partial view of a first embodiment of the present invention.

Figure 2 is a cross-sectional view taken along line A-A of Figure 1;

Figure 3 is a partially exploded view of the first embodiment of the present invention.

Fig. 4 is an external view of the first embodiment of the present invention.

Figure 5 is a cross-sectional view showing a first embodiment of the present invention.

Figure 6 is a cross-sectional view showing the plug connector of the first embodiment of the present invention.

Figure 7 is an external view of the second embodiment of the present invention.

Figure 8 is a cross-sectional view showing a second embodiment of the present invention.

Figure 9 is an external view of a third embodiment of the present invention.

Figure 10 is a cross-sectional view showing a third embodiment of the present invention.

In this way, in order to enable the inspector to fully understand the structure of the plug connector of the present invention, the following is a description of the following: FIG. 1 to FIG. 4 are the first embodiment of the plug connector structure of the present invention, and the first embodiment includes at least: The plug base 1 is made of a metal material, and the plug base 1 is provided with a slot 10 for the plug assembly. The slot 10 is a single open end, so that the plug assembly 2 can be fixed inwardly from the open end. The installation groove 10 is provided with a ring wall surface 100, and a straight wall surface 101 is formed inside the ring wall surface 100 so that one end of the elastic member abuts; the plug base 1 is provided with a through hole 11 to communicate with the aforementioned installation groove 10, With the rear end of the plug base 1, it is assumed that the signal terminal is set forward from the rear side of the plug base 1.

1 to 4, the socket 10 of the plug base 1 is fixedly disposed for the plug assembly 2, and the plug assembly 2 includes an outer casing 20 made of a metal material and having an open through hole 20a therein. The front end of the outer casing 20 is formed with an inner circumference 200. The inner diameter of the inner circumference 200 is smaller than the inner diameter of the outer casing 20 to form a restriction barrier. The outer casing 20 is close to the rear end and is formed with two slots. 201, 201a, in order to present a corresponding state of 180 degrees, For the purpose of restricting the movement trajectory of the signal limiting member; the outer casing 20 is internally provided with an inner casing 21 made of an insulating material having an open through hole 21a therein, and the inner casing 21 is from the outer casing 20 One end is applied, and the front end of the inner casing 21 is abutted against the inner circumference 200 of the outer casing 20 to limit the application position of the inner casing 21; the rear end of the inner casing 21 is provided for a conductor element 22 The conductor element 22 is made of a metal material and has an open through hole 22a therein, and includes a long tubular portion 220 and a small annular portion 221, and the long tubular portion 220 forms a plurality of openings 222, and the long tube The portion 220 has a suitable opening and closing elasticity. When the conductor member 22 is applied inwardly from one end of the inner casing 21, the small annular portion 221 is abutted against one end of the inner casing 21 to limit the application of the conductor member 22. The depth is set (as shown in FIGS. 2, 5 and 6), and after reaching the positioning, the long tubular portion 220 has an appropriate opening and closing elasticity to be able to abut against the inner wall surface of the inner casing 21 for positioning purposes; The front side of the outer casing 20 is provided with an insulating member 23 having an open through hole 23a therein. The insulating member 23 is provided with a short tubular portion 230 and a large annular portion 231, and the short tubular portion 230 is disposed inside one end of the through hole 20a of the outer casing 20, and the deep length is restricted by the large annular portion 231, and the foregoing The short tube portion 230 is applied to the through hole 21a of the inner casing 21 to form a positioning support, and the plug engaging member 24 is further engaged at the front end of the insulating member 23, and the plug engaging member 24 is from the rear end. A terminal slot 240 is formed forwardly for the terminal 25 to be inserted and then separately processed and coupled. The terminal 25 and the end portion 250 are formed with a proper width to match the positioning of the insulating base 4, and the terminal 25 is provided. The aforementioned conductor element 22 maintains a contact shape.

2, 3, 5 and 6, before the plug assembly 2 is coupled with the plug base 1, the signal limiting member 3 is sleeved therein at the rear end of the housing 20 outside the plug assembly 2, the signal limiting member 3, The signal limiting member 3 is provided with a through hole 30, the signal limiting member 3 is provided with a front ring wall surface 31, and the front ring wall surface 31 is formed with two orientation members 32, 32a, when the signal limiting member 3 and the plug assembly 2 When the outer casings 20 are combined with each other, the two orientation members 32, 32a of the signal limiting member 3 are respectively disposed in the outer slots 20 and 201a of the outer casing 20 of the plug assembly 2 to allow the movement of the signal limiting member 3 Limited to the two slots 201, 201a of the housing 20 outside the plug assembly 2, the signal limiting member 3 is moved smoothly, and the groove 33 is formed on the rear side of the front ring wall surface 31 and forms a part of the length of the elastic member 34. One end of the elastic member 34 is abutted against the front ring wall surface 31, and the other end is abutted against the ring of the plug base 1 The wall surface 100, the signal limiting element 3 described above, has the effect of automatically returning to the position by the aforementioned elastic element 34.

2, 3, 5 and 6, the rear end of the plug base 1 is provided with an insulating base 4, the insulating base 4 is provided with a through hole 40 for the terminal 25 to pass through, and the insulating base 4 is provided with a front tube. The portion 41 is disposed in the through hole 11 of the plug base 1. Before the insulating base 4, the tubular portion 41 is applied before the through hole 11 of the plug base 1 and is provided with a grounding terminal 5, and The insulating base 4 is suitably combined with the plug base 1, and a terminal limiting groove 42 is provided on the rear side of the insulating base 4 to match the shape of the end portion 250 of the terminal 25, and the terminal 25 is inserted into the insulating base. 4, and the appropriate length is applied forward, the end portion 250 of the terminal 25 can be positioned and restricted by the terminal limiting groove 42 of the insulating base 4.

2, 3, 5 and 6, the grounding terminal 5 is in proper contact with the plug base 1, so that the plug base and the grounding terminal 5 are properly contacted, and the whole metal casing is maintained for grounding signals. .

As shown in FIG. 5, before the plug connector A is not coupled with the receptacle connector B, or before the plug connector and the receptacle connector are combined, the signal limiting member 3 is forwarded by the elastic member 34 before reaching the set depth. The action of the pressing causes the signal limiting member 3 to come into contact with the inner casing 21 of the plug assembly 2, at this time, even though the socket connector B has been in contact with the plug assembly 2 of the plug connector A, however, because of the plug connection The terminal 25 of the device A is in contact with the signal limiting element 3 by the conductor element 22 of the inner casing 21, and the signal limiting element 3 is in contact with the plug base 1, and the plug base 1 is in contact with the ground terminal 5, and the plug is made The terminal 25 of the connector A and the ground terminal 5 are short-circuited, and no signal is transmitted to avoid noise.

6, when the combination of the plug connector A and the socket connector B reaches a set depth, the signal limiting member 3 is pressed by the socket connector B, and the elastic member 34 is pressed inwardly to allow the signal limiting member 3 to Forming a non-contact state with the inner casing 21 of the plug assembly 2, at this time, the terminal 25 of the plug connector A is separated from the grounded signal limiting element 3, the plug base 1 and the ground terminal 5, and the plug connector is made A terminal 25 and ground terminal 5 shape As a signal loop, the signal can be transmitted, making the signal transmission more precise and perfect.

7 and 8 are the second embodiment of the present invention. The second embodiment is derived from the first embodiment, and the difference is the shape of the plug base 1 and is located at the rear end of the plug base 1. The insulating base 4a and the grounding terminal 5a are the same as those of the foregoing embodiment, and are not described herein again.

9 and 10, which are the third embodiment of the present invention, the third embodiment is derived from the first embodiment and the second embodiment, and the difference is the shape of the plug base 1 and the rear end of the plug base 1 The insulating base 4b and the grounding terminal 5b are provided, and the rest of the structure is the same as the foregoing embodiment, and details are not described herein again. And the structures of the present invention can be applied to various types of signal connectors, and are not limited to the foregoing three embodiments.

In summary, the present invention is provided with a signal limiting component that normally causes the plug and the plug base to be short-circuited in the plug assembly. After the plug connector is inserted into the socket connector, it is required to reach the set depth. The signal limiting component is pressed inwardly to make the signal limiting component 3 and the inner casing 21 of the plug assembly 2 not in contact with each other, so as to maintain the connection process between the plug connector and the socket connector without any signal transmission, There will be disturbing noises, and the signal transmission will be carried out only after the plug connector and the socket connector are connected, so that the signal transmission is more precise and perfect, which shows that the invention has the novelty and the progressiveness. composition.

1‧‧‧ plug base

10‧‧‧Setting slot

100‧‧‧ ring wall

101‧‧‧ Straight wall

11‧‧‧through hole

2‧‧‧plug assembly

20‧‧‧Outer casing

20a‧‧‧through hole

200‧‧‧ Inner Ring

201, 201a‧‧‧ slotting

21‧‧‧ inner casing

21a‧‧‧through hole

22‧‧‧Conductor components

22a‧‧‧through hole

220‧‧‧Long tube

221‧‧‧Small ring

222‧‧‧Open slot

23‧‧‧Insulation components

23a‧‧‧through hole

230‧‧‧ Short tube

231‧‧‧ Large ring

24‧‧‧Card components

240‧‧‧Terminal slot

25‧‧‧ terminals

250‧‧‧ back end

3‧‧‧Signal limiting components

30‧‧‧through hole

31‧‧‧ front ring wall

32, 32a‧‧‧ orientation parts

33‧‧‧容槽

34‧‧‧Flexible components

4‧‧‧Insulated base

40‧‧‧through hole

41‧‧‧Front tube

42‧‧‧Terminal Limiting Slot

5‧‧‧ Grounding terminal

Claims (9)

A plug connector structure comprising at least: a plug base disposed as a plug assembly; a plug assembly disposed at a front end of the plug base, the outer casing of the plug assembly being close to the rear end and having two slots formed therein In the corresponding state, the outer casing is provided with an inner casing, and the inner casing is provided with a conductor element at the rear end of the inner casing, and an insulating component is disposed on the front side of the outer casing, and the front end of the insulating component is further connected to the plug engaging component. The plug engaging component is configured to be post-joined and assembled, and the terminal is maintained in contact with the conductor component; the signal limiting component is disposed at a rear end of the outer casing of the plug assembly, and the signal limiting component is made of a metal material. And forming two orientation members. When the signal limiting component and the plug assembly are combined with each other, the two orientation members of the signal limiting component are respectively disposed on the two slots of the outer casing of the plug assembly, so that the signal limiting component is The moving track is limited by the two slots of the outer casing of the plug assembly, and is located at the rear side of the signal limiting component and is provided with an elastic element Therefore, one end of the elastic element is abutted against the top end, and the other end is abutted against the plug base. The signal limiting component has the effect of automatically returning back by using the elastic element; thus, when the plug connector and the socket connector are combined with each other Before the depth of the set has been reached, the signal limiting component and the inner casing of the plug assembly are brought into contact with each other, so that the terminal of the plug connector contacts the ground terminal to form a short circuit, and no signal is transmitted, thereby avoiding generation. Noise; only when the plug connector and the socket connector are combined with each other to reach the set depth, the signal limiting component and the inner casing of the plug assembly are not in contact with each other, and the terminal of the plug connector is in contact with the ground terminal. The signal loop allows the signal to be transmitted. The plug connector structure according to claim 1, wherein the plug base is made of a metal material, and the plug base is provided with a slot, which is a single-sided open end, so that the plug component can be fixed from the open end. The front groove is provided with a ring wall surface, and the inner side of the ring wall surface is provided with a straight wall surface, so that one end of the elastic member abuts against the top, and the plug base is provided with a through hole to communicate with the rear side of the installation groove and the plug base, so that the terminal is from the foregoing The rear side of the plug base is forwardly set. The plug connector structure according to claim 1, wherein the outer casing of the plug assembly is made of a metal material, and has an open through hole at the front end, and an inner ring is formed at the front end of the outer casing, and the inner ring is inside. The diameter is smaller than the inner diameter of the outer casing to form a limiting barrier. The plug connector structure according to claim 1, wherein the inner casing of the plug assembly has an open through hole, and the inner casing is applied from one end of the outer casing, and the front end of the inner casing abuts against the outer casing. Within the circumference, to limit the position of the inner casing. The plug connector structure according to claim 1, wherein the conductor component of the plug assembly is made of a metal material, and has an open through hole therein, and includes a long tubular portion and a small annular portion, and the long tubular portion forms a plurality of openings. The gutter is provided with a suitable opening and closing elasticity. When the conductor element is applied inwardly from one end of the inner casing, the small annular portion is abutted against one end of the inner casing to limit the application of the conductor element. The depth, and by the appropriate opening and closing elasticity of the long tubular portion, can be abutted against the inner wall surface of the inner casing for the purpose of positioning. The plug connector structure according to claim 1, wherein the insulating member of the plug assembly has an open through hole therein, and the insulating member is provided with a short cylindrical portion and a large annular portion, so that the short cylindrical portion is applied to the through hole of the outer casing. Inside one end, the deep length is limited by the large annular portion, and the short cylindrical portion is applied to the through hole of the inner casing to generate the positioning support. The plug connector structure of claim 1, wherein the plug of the plug assembly engages the rear end of the component and is formed with a terminal slot for post-insertion bonding. The plug connector structure according to claim 1, wherein the signal limiting member is made of a metal material and formed with a through hole, and the signal limiting member is provided with a front ring wall surface at a rear side of the front ring wall surface and forming a portion of the elastic member. The length is limited to the slot. The plug connector structure according to claim 1, wherein an insulating base is disposed at a rear end of the plug base, and the insulating base is provided with a through hole for the terminal to be inserted, and the insulating base is provided with a front tube portion. a through hole provided in the plug base, the front portion of the insulating base is applied before the through hole of the plug base, and a grounding terminal is disposed, and the insulating base is properly combined with the plug base. And a terminal limiting groove is arranged on the side of the insulating base to match the shape of the end of the terminal. After the terminal is inserted into the insulating base and the appropriate length is applied forward, the rear end of the terminal can be positioned to limit the terminal limiting groove of the insulating base.