CN2766382Y - Electrical connector for audio and video transmission line connector - Google Patents

Abstract

An electrical connector for audio-visual transmission line connector, comprising: a plastic base, whose front end is provided with at least one jack, the jack is provided with a female joint protruding to the front end, so that a video transmission line joint can be inserted into the jack and jointed with the female joint; and a plurality of terminals, it locates this plastics pedestal, and each terminal is equipped with: a main body, which is provided with a contact point, wherein the contact point is positioned in the jack of the plastic seat body; and an extension part which is connected with the main body and extends out of the plastic seat body; a bending part is arranged between the main body and the extending part of the terminal, so that the plate surface of the extending part is vertical to the plate surface of the main body. The utility model discloses save material by a wide margin to can strengthen the pin, promote the elasticity of main part and promote the tin effect of eating when the pin is connected with the circuit board.

Description

Electrical connector for audio and video transmission line connector

technical field

The utility model relates to an electric connector, in particular to an electric connector for an audio-visual transmission line joint.

Background technique

Please refer to FIG. 1 , which is a terminal structure of an electrical connector of a conventional audio-visual transmission line connector, which includes a main body 11 and an extension 12 , a thinner pin 13 extending from the lower end of the extension 12 , the main body 11 One end is vertically connected to the upper end of the extension portion 12 , and both board surfaces are lateral. The main body 12 is provided with a laterally protruding contact point 14 .

The main purpose of the above-mentioned known terminal design is to make the main body 11 easy to spring sideways or make the board surface of the main body 11 to be sideways, so as to facilitate the lateral electrical connection; however, it still has the following defects:

1. As shown in Figure 2, it is manufactured by blanking metal sheets to form an inverted L-shaped terminal. Each manufactured terminal 1 is connected to a strip 19, and the gap between the terminal 1 and the terminal 1 18 is blanking and forms waste material, so it is a waste of material in manufacture.

2. When the pin 13 of the terminal is connected to the circuit board, the effect of tin eating is not good.

Utility model content

The purpose of this utility model is to provide an electrical connector for audio-visual transmission line joints, which makes the springing direction of the terminal contact point perpendicular to the plate surface of the extension part and greatly saves materials in manufacturing, and can strengthen the pins and lift the main body. The elasticity and the tin-eating effect when the pin is connected to the circuit board are improved.

In order to achieve the above purpose, the utility model provides an electrical connector for an audio-visual transmission line joint, which includes:

A plastic seat, the front end of which is provided with at least one socket, and the socket is provided with a female connector protruding toward the front, so that an audio-visual transmission line connector can be inserted into the socket and engaged with the female connector; and

A plurality of terminals, the terminal is set in the plastic seat body, each terminal is provided with: a main body, the main body is provided with a contact point, the contact point is located in the socket of the plastic seat body; and an extension part, the extension part is It is connected to the main body and extends out of the plastic seat; it is characterized in that:

A bent portion is provided between the main body of the terminal and the extending portion, so that the plate surface of the extending portion is perpendicular to the plate surface of the main body.

The electrical connector of the audio-visual transmission line joint is characterized in that: it further includes a metal shell, the metal shell covers the plastic seat body, the extensions of the several terminals protrude from the lower end of the metal shell, and the front end of the metal shell is set There is at least one pair of openings in the plastic base, so that the female joint of the plastic base protrudes from the openings.

The electrical connector of the audio-visual transmission line joint is characterized in that: the extension part of the terminal is bent into a first section and a second section perpendicular to each other, and the first section is connected to the main body.

The electrical connector of the audio-visual transmission line joint is characterized in that: the plate surface of the second section of the extension part is bent so that its cross-section is in a ㄇ shape.

The electrical connector of the audio-visual transmission line joint is characterized in that: one end of the main body of the terminal is provided with an elastic arm, and the contact point protrudes from the elastic arm.

The electrical connector of the video and audio transmission line joint is characterized in that: the elastic arm is folded back into a U shape.

The electrical connector of the audio-visual transmission line joint is characterized in that: one end of the main body of the terminal is provided with a fixing part, the fixing part is fixed in the plastic seat, and the extension part is connected to the fixing part.

The electrical connector of the audio-visual transmission line joint is characterized in that: the fixing part of the main body of the terminal pierces and protrudes an elastic card from the middle of the board.

The electrical connector of the audio-visual transmission line joint is characterized in that: the bent part of the terminal forms a first surface and a second surface perpendicular to each other, and the terminal main body and the extension part are respectively connected to the first surface and the second surface .

The electrical connector of the audio-visual transmission line joint is characterized in that: the bent part of the terminal is separated from the main body through a cut-out part, and the cut-out part is cut from one side of the board width to the other side without interruption, and the bent part The mutually perpendicular first surface and second surface are formed by bending from the cutout portion.

The electrical connector of the audio-video transmission line joint is characterized in that: the bending part of the terminal is in a twisted shape.

Explain that the utility model has the following advantages by the above:

1. The bouncing direction of the contacts of the main body of the terminal is perpendicular to the board surface of the extension part, which can also greatly save material in manufacturing.

2. It can be made of thinner plate, so that the spring arm of the main body has better elasticity, and the pin is bent into a cross-sectional shape, so it has a strengthening effect. Although the material is thin, it still has sufficient strength, and because of The cross-section is ㄇ-shaped, and the groove in the middle can accommodate tin.

The above and other purposes, advantages and characteristics of the present utility model can be more clearly understood from the detailed description of the following preferred embodiments and with reference to the drawings, wherein:

Description of drawings

FIG. 1 is a perspective view of the terminal structure of an electrical connector of a conventional audio-visual transmission line joint.

FIG. 2 is a perspective view of the terminal structure of the electrical connector of the conventional audio-visual transmission line joint and the finished connecting material strip.

Fig. 3 is a three-dimensional exploded view of a preferred embodiment of the utility model.

Fig. 4 is a three-dimensional combined view of a preferred embodiment of the utility model.

Fig. 5 is a perspective view of the first terminal of the preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of a first terminal semi-finished product in a preferred embodiment of the present invention.

Fig. 7A is a schematic diagram of a first terminal semi-finished product in a preferred embodiment of the present invention. Fig. 7B is a partially enlarged view of Fig. 7A.

Fig. 8 is a schematic diagram of the manufacture of the first terminal connection strip according to the preferred embodiment of the present invention.

Fig. 9 is a schematic diagram of the manufacture of the first terminal connection strip according to the preferred embodiment of the present invention.

Fig. 10 is a perspective view of the second terminal of the preferred embodiment of the present invention.

Fig. 11 is a cross-sectional view of the terminal of the second preferred embodiment of the present invention.

Fig. 12 is a perspective view of the terminals of the third preferred embodiment of the present invention.

Fig. 13 is a three-dimensional exploded view of the fourth preferred embodiment of the present invention.

Fig. 14 is a perspective view of the first terminal of the fourth preferred embodiment of the present invention.

Fig. 15 is a cross-sectional view of the first terminal of the fourth preferred embodiment of the present invention.

16A, 16B and 16C are schematic diagrams of the manufacturing process of the first terminal of the fourth preferred embodiment of the present invention.

Fig. 17 is an exploded perspective view of a fifth preferred embodiment of the present invention.

Fig. 18 is a three-dimensional assembled view of the fifth preferred embodiment of the present invention.

Detailed ways

Please refer to Fig. 3 and Fig. 4, the utility model includes: a plastic seat body 40, several terminals 50 and a metal shell 30, wherein:

The plastic seat body 40 includes two unit seats 41, each unit seat 41 is formed by covering a main seat 42 and a rear cover 43, and the main seat 42 is provided with three sockets 44 aligned up and down and spaced apart. The jack 44 is provided with a female connector 45 protruding toward the front, and a gap 46 is formed below the rear end; the rear cover 43 is to cover the gap 46 of the main base 42, and two rows of through holes 48, 49 are arranged on it.

The plurality of terminals 50 are assembled on the plastic seat body 40, which includes three terminal groups with different extension lengths, each terminal group includes a first terminal 51, a second terminal 52, a third terminal 53 and a fourth terminal 54 , each terminal set is assembled with an insertion hole 44 of the plastic seat body 40 .

Please refer to Fig. 5, the first end 51 of the upper layer terminal group is stamped from a sheet metal to form a longitudinal body, which includes: a main body 60, an extension portion 70 and a bending portion 80, wherein: the main body One end of 60 is a fixing part 61 and the other end is an elastic arm 62. The fixing part 61 pierces a protruding elastic card 63 from the middle of the plate surface, and the fixing part 61 and the plastic seat body 40 are pressed together. Locked by the elastic card 63, the elastic arm 62 is located in the insertion hole 44 of the plastic seat body 40, and it is provided with a protruding contact point 65; the extension part 70 is bent to form a first section 71 and a second section perpendicular to each other. Segment 72, the second segment 72 is connected to a pin 73 with a smaller width, and the pin 73 is used to insert the connector on a circuit board; the bent portion 80 is located between the main body 60 and the extension portion 70 Between them, it is separated from the main body 60 by a cutout portion 81, the cutout portion 81 is cut from one side of the plate width to the other side, and the bending portion 80 is bent by the cutout portion 81 to form mutually perpendicular first Surface 82 and second surface 83, the first surface 82 connects the fixed portion 61 of the main body, and the second surface 83 connects the first segment 71 of the extension, so the board surface of the main body 60 and the board surface of the first segment 71 of the extension vertically.

The processing method of the first terminal is as follows: please refer to Fig. 6, firstly form a vertically long body by stamping a metal sheet, at this time, the board surfaces of the main body 60 and the extension part 70 are in the same direction; please refer to Fig. 7A, 7B, then insert The second surface 83 of the bending portion 80 is bent together with the extension portion 70 from the cutout portion 81 so that the plate surface of the extension portion 70 is perpendicular to the plate surface of the main body 60; please refer to FIG. 5 , and then the extension portion 70 Bending forms a first segment 71 and a second segment 72 perpendicular to each other.

From the above description, it can be known that the material required for the single terminal of the present invention is only a strip-shaped plate, and a main body 60 and an extension portion 70 whose board surfaces are perpendicular to each other are formed through the bending portion 80, so that the main body 60 The elastic arm 62 of the elastic arm 62 can be easily elasticized sideways, and the extension portion 70 can be easily bent downward at 90 degrees.

Please refer to FIG. 8 , which is a schematic diagram of the manufacture of the above-mentioned first terminals 51. Each first terminal 51 is connected to the strips 90 at both ends, and the first terminals 51 of the two strips 90 are arranged in a front-to-back intersection. 9. When folded, it becomes two rows of continuous terminals arranged at intervals, so it can be seen that the structure of the first terminal 51 can be formed into two rows of continuous terminals with metal plates, and almost no waste is produced.

Please refer to FIG. 10 , the second terminal 52 has substantially the same structural features as the first terminal 51, which includes: a main body 60, an extension portion 70 and a bending portion 80, and the bending portion 80 also passes through the cutout portion. 81 is bent into a first surface 82 and a second surface 83 perpendicular to each other, the first surface 82 is connected to the fixed part 61 of the main body, and the second surface 83 is connected to the first section 71 of the extension part, so that the board surface of the main body 60 is in line with the extension The board surface of the first section 71 of the main body is vertical; the difference between it and the first terminal 51 is that the elastic arm 62 of the main body 60 is folded back into a U shape.

The third terminal 53 and the fourth terminal 54 also have the same structural features as the first terminal 51, that is, the board surface of the main body is perpendicular to the board surface of the extension part, and the same structure will not be repeated here.

The structures of the middle-level terminal group and the lower-level terminal group are exactly the same as the above-mentioned upper-level terminal group, and the only difference is that the length of the extension part 70 is different

The metal shell 30 includes a main housing 31 and a sub-housing 35 that cover each other. The main housing 31 is in the shape of a ㄈ with a front end surface 32 and two side surfaces 33. The sub-housing 35 is in an inverted L shape with an upper The end face 36 and the rear end face 37, the metal shell 30 is to cover the upper end and surroundings of the plastic seat body 40, and the lower end can make the pins 73 of the several terminals 50 protrude, and the front end face of the main housing 31 is provided with six A corresponding to the opening 34 of the female joint 45 of the plastic base, so that the female joint 45 can protrude.

Through the above structure, the utility model is assembled by inserting each terminal group of several terminals 50 into a socket 44 of the main seat 42 of the unit seat, and then fitting the rear cover 43 on the main seat from bottom to top. 42 the gap 46 at the rear end, and make the pins of the terminal group on the upper layer pass through the perforation 48, and the pins of the terminal group on the middle layer pass through the perforation 49, and finally cover the main shell 31 and the secondary shell 35 of the metal shell with the plastic seat The rear cover of the body 40 is closed, so that the assembly is completed. The utility model has two rows of three longitudinally arranged jacks 44, so that a joint 96 of an audio-visual transmission line 95 (the transmission line of an earphone or a loudspeaker) can be inserted into the jack 44 and engages with the female connector 46 .

Please refer to Figure 11, which is the second embodiment of the present utility model, wherein the plate surface of the second section 72 of the extension part of the terminal is bent so that its cross-section is in the shape of ㄇ, so that a groove 74 is formed in the middle, and the second section 72 directly Extended into pins, so that it can be made of thinner plates, so that the elasticity of the elastic arm of the main body is better, and the pins are bent into a cross-sectional shape, so they have a strengthening effect, even though the material is thinner It has enough strength, and because the cross-section is in the shape of ㄇ, the groove 74 in the middle can accommodate tin, and the tin-eating effect is very good when it is connected with the circuit board, so it can have a better soldering effect.

Please refer to FIG. 12 , which is a third embodiment of the present invention, which is substantially the same as the first embodiment, wherein there is no cutout between the bent portion 80 of each terminal and the main body 60 .

Please refer to Fig. 13 , which is the fourth embodiment of the present utility model, which is roughly the same as the first embodiment, and it is also provided with a plastic base 40, several terminals 50 and a metal shell 30, and the several terminals 50 include three types Terminal groups with different extension lengths, each terminal group includes a first terminal 51, a second terminal 52, a third terminal 53 and a fourth terminal 54, and each terminal group is assembled with a socket 44 of the plastic seat body 40; The main difference between it and the first embodiment lies in the design of the bent portion of the terminal.

Please refer to FIG. 14 , the first end 51 is stamped from a sheet metal to form a longitudinal body, which includes: a main body 60 , an extension portion 70 and a bending portion 80 , wherein: the main body 60 is an elastic arm , located in the socket 44 of the plastic seat body 40, a protruding joint 65 is provided near the tail end; the extension 70 is bent to form a first segment 71 and a second segment 72 perpendicular to each other, the second segment 72 It extends vertically downwards, and its lower end forms pins. As shown in Figure 15, its board surface is bent so that its cross-section is in a ㄇ shape, so that a groove 74 is formed in the middle; the bent part 80 is arranged on the main body 60 and the extension part 70, the bent portion 80 is in a twisted shape so that the board surface of the main body 60 is perpendicular to the board surface of the first section 71 of the extension part, so that the main body 60 is easy to spring sideways, and the extension part 70 is easy to downward Make a 90-degree bend. The structural features of the second terminal 52 , the third terminal 53 and the fourth terminal 54 are the same as those of the first terminal 51 , and all have twisted bent portions.

Please refer to Figures 16A, 16B, and 16C, which are schematic diagrams of the manufacturing process of the first terminal 51 of this embodiment. The material required for a single terminal is only a strip-shaped plate, which is first bent into a horizontal plate perpendicular to each other. 68 and a longitudinal plate 69, and then twist at one end close to the horizontal plate 68 to form a twisted bent portion 80, so that one end of the bent portion 80 forms a main body 60 with a plate surface that is longitudinal and can easily bounce sideways. The other end of the bending portion 80 forms an extension portion 70 , and at the same time, the plate surface of the second longitudinal segment 72 of the extension portion 70 is bent into a cross-sectional shape.

Explain that the utility model has the following advantages by the above:

1. The springing direction of the contact point 65 of the main body 60 of the terminal is perpendicular to the board surface of the extension portion 70 and can also save material greatly in manufacturing.

2. It can be made of thinner plate, so that the spring arm of the main body has better elasticity, and the pin is bent into a cross-sectional shape, so it has a strengthening effect. Although the material is thin, it still has sufficient strength, and because of The cross-section is ㄇ-shaped, and the groove in the middle can accommodate tin.

Please refer to Fig. 17 and Fig. 18, which is the fifth embodiment of the present utility model, which includes a plastic seat body 40 and several terminals 50, wherein the plastic seat body 40 is only provided with a socket 44 and a female connector 45, the number of terminals Each terminal 50 is only provided with a terminal group of one length, and the structure of each terminal is the same as that of the bottommost terminal group in the first embodiment.

The specific embodiment proposed in the detailed description of the preferred embodiment is only for the ease of explaining the technical content of the present utility model, but not to limit the utility model to this embodiment in a narrow sense. In fact, the utility model can be used in various ways. Change implementation.

Claims (11)

1. An electrical connector for an audio-visual transmission line joint, comprising: A plastic seat, the front end of which is provided with at least one socket, and the socket is provided with a female connector protruding toward the front end, an audio-visual transmission line connector can be inserted into the socket and engaged with the female connector; and A plurality of terminals, the terminal is set in the plastic seat body, each terminal is provided with: a main body, the main body is provided with a contact point, the contact point is located in the socket of the plastic seat body; and an extension part, the extension part is It is connected to the main body and extends out of the plastic seat; it is characterized in that: A bent portion is provided between the main body of the terminal and the extending portion, so that the plate surface of the extending portion is perpendicular to the plate surface of the main body. 2. The electrical connector of the audio-visual transmission line joint according to claim 1, further comprising a metal shell, the metal shell covers the plastic base, and the extensions of the plurality of terminals protrude from the lower end of the metal shell The front end of the metal shell is provided with at least one pair of openings of the plastic base, so that the female joint of the plastic base protrudes from the openings. 3 . The electrical connector for audio-visual transmission line as claimed in claim 1 , wherein the extension portion of the terminal is bent into a first section and a second section perpendicular to each other, and the first section is connected to the main body. 4 . 4. The electrical connector for audio-visual transmission line joints as claimed in claim 3, wherein the board surface of the second section of the extension part is bent so that its cross-section is in a ㄇ shape. 5 . The electrical connector of an audio-visual transmission line as claimed in claim 1 , wherein an elastic arm is provided at one end of the main body of the terminal, and the contact point protrudes from the elastic arm. 5 . 6 . The electrical connector for video and audio transmission line joints as claimed in claim 5 , wherein the elastic arm is folded back into a U shape. 6 . 7 . The electrical connector for video and audio transmission line joints as claimed in claim 1 , wherein one end of the main body of the terminal is provided with a fixing portion, the fixing portion is fixed in the plastic seat, and the extension portion is connected to the fixing portion. 8 . 8 . The electrical connector for video and audio transmission line joints as claimed in claim 7 , wherein an elastic card protrudes from the middle of the board from the fixing portion of the main body of the terminal. 9 . 9. The electrical connector of audio-visual transmission line joint according to claim 1, characterized in that: the bent portion of the terminal forms a first surface and a second surface perpendicular to each other, and the terminal main body and the extension portion are respectively connected to the second surface. one side and the second side. 10. The electrical connector of audio-visual transmission line joint according to claim 9, characterized in that: the bending part of the terminal is separated from the main body by a cut-out part, and the cut-out part is cut from one side of the width of the board to the other side. Continuously, the bending portion is bent from the cutout portion to form the first and second surfaces perpendicular to each other. 11. The electrical connector of an audio-video transmission line joint according to claim 1, wherein the bending portion of the terminal is in a twisted shape.

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