CN201075461Y - Improved structure of multi-port type voice frequency plug socket - Google Patents

Abstract

The utility model provides a modified structure of a multi-port audio socket, which is suitable for butt joint of various plug connectors. The utility model mainly comprises an isolating body and a cylindrical shell body component; the isolating body is provided with a screw hole, a cylindrical projecting part, a catching groove and a slot, the cylindrical shell body component is molded in an integrated structure by using a plurality of cylindrical shell bodies and grounding pieces, and insert pins extend from both sides of the cylindrical shell body and are matched with the catching groove, so as to combine the cylindrical shell body component and the isolating body; both side walls of the cylindrical shell body component are respectively provided with a small section of concave arcs. After the insert pins and the grounding pieces of a grounding device are respectively inserted into the caching groove and the slot of the isolating body, two sections of concave arcs of two components are corresponding with each other and locked into a lock hole of the isolating body through the locking piece, thus ensuring the isolating body are firmly sheathed with the grounding device and enhancing the reliability of telecommunication transmission.

Description

Improved structure of multi-port audio socket

Technical Field

The present invention relates to an improved structure of a multi-port audio jack, and more particularly to an improved structure of an audio jack capable of providing a good and stable ground interference prevention effect.

Background

Since signal interference is generated when signal transmission of the electrical connector is affected by signals from outside or inside the machine, the conventional electrical connector generally has a grounding device for reducing signal interference, such as a metal housing wrapped outside an insulating body of the electrical connector, or a grounding terminal of the electrical connector is inserted into a mating electrical connector to form a grounding loop, which can be used to reduce noise interference, the prior art has a grounding device with a separate structure, as shown in fig. 1, which is an exploded perspective view of the conventional electrical connector, and a multi-port socket connector 100 includes: an insulating body 1, there are cylindrical jut 11, housing chamber 12, catching groove 13, slot 14 and fixed part 15 on it, several conductive terminals 2, 21 are installed in housing chamber 12 of the insulating body 1, when the plug of a male seat is inserted, it can be used for contacting with plug and conducting in order to transmit the signal, several set of lids 4 are nested in the cylindrical jut 11 of the above-mentioned insulating body 1, prevent users from inserting in the male seat (not marked) by mistake; a grounding member 3, which is provided with a sleeve hole 31, a slot 32 and a grounding plate 33, wherein the sleeve hole 31 of the grounding member 3 is sleeved in the cylindrical protrusion 11 of the insulating body 1, and the grounding plate 33 passes through the slot 14 of the insulating body 1 and is inserted into a circuit board (not labeled) to guide signal transmission; the cylindrical housings 5 have two insertion pieces 51, the two insertion pieces 51 are inserted into the buckling grooves 13 of the insulating body 1 through the insertion holes 32 of the grounding piece 3 to be connected with the insulating body 1 and the grounding piece 3, and when a male socket is inserted, the signal transmission of the grounding piece 33 is facilitated. The disadvantages are that: because the grounding piece 3 and the cylindrical shell 5 are of a separate structure, a gap exists when the grounding piece and the cylindrical shell are sleeved, so that the contact between the grounding piece and the cylindrical shell cannot be really closed, poor contact occurs, and the product is disconnected, and the other defect is that: the mold with the structure has higher difficulty, needs to be opened for multiple times, increases the manufacturing cost, and has the defects to be improved.

Disclosure of Invention

The main objective of the present invention is to provide an improved structure of a multi-port audio jack, which is formed by integrally forming a cylindrical housing and a grounding device into a component, and obtaining a good grounding effect after the component is locked with an insulator.

Another object of the present invention is to provide an improved structure of a multi-port audio jack, which is characterized in that the cylindrical housing assembly of the integrated structure not only makes the mold difficult moderately during the production, but also has strong sharing performance, thereby greatly reducing the mold cost.

The object of the present invention can be achieved by the following technical solutions, and the main components of the multi-port audio jack improved structure of the present invention include: the insulating body, the cylindrical shell assembly and the sleeve cover; the insulation body is provided with a lock hole, a cylindrical protruding part, a buckling groove, an inserting groove and inserting fixing pins, wherein the lock hole, the cylindrical protruding part, the buckling groove and the inserting groove which are arranged on the contact end face of the insulation body are matched and corresponding to the cylindrical shell assembly; the buckling groove is used for placing the inserting sheet of the cylindrical shell component, and the inserting groove is used for abutting against and positioning the grounding sheet; the cylindrical shell assembly is of an integrated structure, the cylindrical shell, the inserting sheet and the grounding sheet are arranged on the cylindrical shell assembly, small concave arcs are arranged in the middle of the two sides of the cylindrical shell assembly, after the inserting sheet and the grounding sheet of the cylindrical shell assembly are respectively inserted into the catching groove and the inserting groove of the insulating body, the cylindrical shell is tightly matched with the cylindrical protruding portion, the two small concave arcs of the grounding device correspond to each other in pairs, and a locking piece is locked in the locking hole of the insulating body, so that the insulating body and the grounding device are tightly and stably fixed to form the grounding device. Meanwhile, the grounding plate is welded on the circuit board so as to ensure the reliability of telecommunication transmission; and the mould with the structure has moderate difficulty and strong sharing property, and the mould cost is greatly reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an exploded perspective view of a prior art product;

FIG. 2 is an exploded perspective view of an embodiment of the present invention;

FIG. 3 is a perspective assembly view of an embodiment of the present invention; and

fig. 4 is a perspective view of the grounding device according to the embodiment of the present invention.

In the prior art in the figure: 1-insulating body, 11-cylindrical protrusion, 12-containing chamber, 13-buckle groove, 14-slot, 15-fixing piece, 2, 21-terminal, 3-grounding piece, 31-trepanning, 32-slot, 33-grounding piece, 4-trepanning, 5-cylindrical shell and 51-inserting piece.

The utility model discloses: 11-insulation body, 111-containing chamber, 112-cylindrical protrusion, 1121-concave table, 1122-through hole, 113-contact surface, 114-lock hole, 115-buckle groove, 116-convex block, 117-slot, 118-inserting fixing pin, 1181-clamping hook part, 12, 121-terminal, 13-sleeve cover, 14-cylindrical shell component, 141-plate body, 1411-side wall, 1412-small segment concave arc, 142-cylindrical shell, 143-inserting piece, 1431-barb convex point, 1432-tongue piece, 144-grounding piece and 1441-clamping hook part.

Detailed Description

The present invention will now be described in more detail with reference to a preferred embodiment; referring to fig. 2, the improved structure 200 of the multi-port audio jack of the present invention comprises an insulating body 11, a plurality of terminals 12, 12¹A cover 13 and a cylindrical housing assembly 14.

As shown in fig. 3, the insulating body 11 has a plurality of terminal receiving chambers 111, the same number of cylindrical protrusions 112 are disposed opposite to the receiving chambers 111, concave platforms 1121 are disposed in the cylindrical protrusions 112, through holes 1122 penetrating the cylindrical protrusions 112 and the terminal receiving chambers 111 are disposed in the concave platforms 1121, a contact surface 113 is disposed on the surface of the insulating body 11 between the cylindrical protrusions 112 and the insulating body 11, and a locking hole 114, a locking groove 115 and a slot 117 are disposed on the contact surface 113; the locking hole 114 corresponds to the concave arc on the side of the cylindrical housing component 14, when the cylindrical housing component 14 is connected to the insulating body 11, a locking member (not labeled) is locked into the locking hole 114 to play a role of stabilization, and the locking member are combined and fixed, and meanwhile, the noise received by the housing can be uniformly transmitted to the grounding piece 144 by the contact of the locking member; the buckling groove 115 arranged between the cylindrical protruding parts 112 on the contact surface 113 is matched with the inserting sheets 143 on the two sides of the cylindrical shell 142 on the component, the convex block 116 is arranged in the buckling groove 115, when the inserting sheets 143 of the cylindrical shell component 14 are inserted into the buckling groove 115, the tongue piece 1432 on the inserting sheets 143 is buckled on the convex block 116 to play a role of fastening; a slot 117 is provided below the contact surface 113 to provide for insertion of a ground plate 144 of the barrel housing assembly 14; inserting fixing pins 118 are arranged at two ends of the bottom of the insulating body 11, and a clamping hook portion 1181 is arranged on the inserting fixing pins 118, so that the clamping hook portion 1181 can be inserted into a circuit board and further fixedly connected to the circuit board.

The plurality of conductive terminals 12, 121 are accommodated in the terminal accommodating chamber 111 of the insulating housing 11, and when a plug of a male socket is inserted through the insertion hole 1122, it can be used to contact and conduct with the plug to transmit signals.

Referring to fig. 4, the cylindrical housing assembly 14 is an integrated structure, and the assembly 14 includes a plate 141, a cylindrical housing 142, an insert 143, and a ground plate 144; the plate 141 has two side walls 1411, the two side walls 1411 are respectively provided with an equal semicircular small concave arc 1412, the position of the concave arc 1412 is located at the side between the cylindrical shells 142 and corresponds to the locking hole 114 on the insulating body 11, when the cylindrical shell component 14 is combined with the insulating body 11, a good grounding function is ensured through the locking of a locking piece (not identified); the two sides of the plate 141 contacting with the cylindrical shell 142 are convexly provided with inserting sheets 143, the bottoms of the inserting sheets 143 are provided with tongue pieces 1432, two sides of the inserting sheets 143 are respectively provided with barbed protruding points 1431, when the cylindrical shell component 14 is combined with the insulating body 11, the inserting sheets 143 penetrate into the catching grooves 115 of the insulating body 11, meanwhile, the tongue pieces 1432 are abutted against the protruding blocks 116 of the insulating body 11, the barbed protruding points 1431 clamp the inserting sheets 143 in the catching grooves 115 to ensure that the cylindrical shell component 14 is tightly clamped on the insulating body 11, and the grounding device is prevented from being loosened when the male plug is plugged; the grounding plate 144 at the bottom of the plate 141 of the cylindrical housing assembly 14 is provided with a hook 1441, when the cylindrical housing assembly 14 is combined with the insulating body 11, the grounding plate 144 penetrates into the slot 117 of the insulating body 11 to be positioned, so that when being plugged on a circuit board (not labeled), the hook 1441 of the grounding plate 144 catches the circuit board to have a grounding function.

The covers 13 have different colors and are fitted into the concave portions 1121 of the cylindrical protrusion 112, when the tabs 143 of the cylindrical housing assembly 14 are inserted into the slots 115 of the insulating housing 11, the cylindrical housing 142 is fitted over the cylindrical protrusion 112, as shown in fig. 3, when a male plug (not shown) is inserted into the receptacle 1122, the wrong insertion can be prevented according to the different colors of the covers 13.

The embodiments and drawings of the present invention are only for illustration, and the present invention is not limited to the embodiments and drawings, but can be modified in other ways, so that the present invention is not limited to the embodiments and drawings.

Claims (3)

1. An improved structure of multi-port audio socket comprises an insulating body, a plurality of terminals, a cover and a cylindrical shell component; the method is characterized in that: the cylindrical shell component is an integrated component and comprises a plate body, a cylindrical shell, an inserting piece and a grounding piece; wherein,

the two side walls of the plate body are respectively provided with an equal semicircular small section concave arc, and the positions of the concave arcs are positioned on the side edges between the cylindrical shells and correspond to the lock holes on the insulating body.

2. The improved structure of the multi-port audio jack of claim 1, wherein: the convex inserted sheet that is equipped with in the both sides side that plate body and tube-shape casing contacted, tongue piece has been seted up to these inserted sheet bottoms, and inserted sheet both sides limit is equipped with the barb bump respectively, and when tube-shape casing subassembly and insulator combination, the inserted sheet penetrated insulator's catching groove, and the tongue piece supports to detain on insulator's lug simultaneously, and the barb convex point is arranged the inserted sheet card in the catching groove.

3. The improved structure of the multi-port audio jack of claim 1, wherein: when the cylindrical shell component is combined with the insulating body, the grounding piece penetrates into the slot of the insulating body for positioning, so that when the cylindrical shell component is inserted on the circuit board, the clamping hook part of the grounding piece clamps the circuit board to play a grounding role.

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