CN205595488U - Connector of audio signal line - Google Patents

Abstract

An audio signal line connector is suitable for connecting an audio signal line, and includes a mounting base and a socket integrally formed with the mounting base. The socket defines an extension space and has at least one spirally extending groove connected to the extension space. The utility model uses a spiral groove design to provide a buffer space for slight deformation of the connector when plugging and unplugging. The one-piece design can still provide an appropriate plug-in and pull-out force to prevent the connector from being plugged in and out multiple times. After unplugging, it is easy to be damaged and affect the audio signal quality. Moreover, the structural design of a single conductor directly processed to eliminate impedance caused by poor assembly or poor contact between conductors can improve the quality of audio signal transmission.

Description

Audio signal cable connector

technical field

The utility model relates to a joint of a signal line, in particular to a joint of an audio signal line.

Background technique

Referring to FIG. 1 , a known audio signal cable connector is suitable for connecting an audio signal cable 10 and inserting it into a socket 20 of an audio device. The connector generally includes a mount 1 connected to the audio signal cable 10 , a guide pin 2 , and a socket 21 .

The receptacle 21 extends from the mounting base 1 toward the receptacle 20 , and the receptacle 21 defines an accommodating space 211 . The guide pin 2 also extends from the mounting base 1 to the socket 20 , and the guide pin 2 is disposed in the accommodating space 211 and inserted into a socket hole 201 of the socket 20 together with the socket 21 .

The surface of the socket 21 and the guide pin 2 is a metal interface, and the socket 21 and the guide pin 2 are inserted and combined in the socket 20, and the socket 20 also forms a contact combination between a plurality of metal interfaces. . The receptacle 21 is often permanently deformed because the user pulls out the receptacle 20 in an inappropriate way, such as pulling out obliquely instead of straightly, or after repeated plugging and unplugging, the receptacle 21 is bent and permanently deformed. , damaged, so easily affect the audio signal transmission effect and signal quality.

Contents of the invention

The purpose of the utility model is to provide an audio signal line connector which can avoid component damage and improve the quality of audio signal transmission.

The connector of the audio signal line described in the utility model is suitable for connecting an audio signal line, and includes: a mounting base for connecting the audio signal line. The connector of the audio signal line also includes a receptacle integrally formed with the mounting base, the receptacle extends from the mounting base to a direction away from the audio signal line, and defines an extension space, and the receptacle There is at least one groove extending in a spiral shape and communicating with the extending space.

According to the connector of the audio signal line in the present invention, the installation seat includes a line gathering space for the audio signal line to pass through, and a contact surface facing the line gathering space and contacting the audio signal line.

According to the joint of the audio signal line according to the present invention, the socket includes a socket part extending from the mounting seat in a direction away from the audio signal line, and an end connected to the socket part away from the mounting seat The end portion of the plug-in portion defines the extension space, and has an inner peripheral surface facing the extension space, and an outer peripheral surface opposite to the inner peripheral surface, and the groove runs through the inner peripheral surface and the outer peripheral surface .

According to the joint of the audio signal line described in the utility model, the groove includes two groove sections connected with each other.

In the joint of the audio signal line described in the utility model, the width of each groove section is 0.5-2mm.

The connector of the audio signal line described in the utility model, the socket has two grooves spaced apart, each groove extends for 360 degrees, and each groove has a top and a bottom, the grooves The tops of the grooves are spaced apart, and the bottoms of the grooves are spaced apart.

The connector of the audio signal line described in the utility model, the socket has two grooves spaced apart, each groove extends for 180 degrees, and each groove has a top and a bottom, the grooves The tops of the grooves are spaced apart, and the bottoms of the grooves are spaced apart.

The connector of the audio signal cable described in the utility model also includes an insulated protective cover assembled on the outside of the mounting base.

In the joint of the audio signal line described in the utility model, the protective cover is made of plastic steel.

In the joint of the audio signal line described in the utility model, the mounting seat and the socket socket are both made of tellurium-copper alloy.

The beneficial effect of the utility model is that: the design of the spiral groove can provide a buffer space for the joint to be slightly deformed when plugging and unplugging, so that the mounting seat and the socket seat can provide a proper fit under the integrated design. Insertion and extraction force to avoid the problem that the connector is easily damaged and affects the quality of the audio signal after repeated insertions and extractions. Therefore, the components of the utility model are less likely to be damaged and can improve the quality of audio signal transmission.

Description of drawings

Fig. 1 is a three-dimensional exploded view illustrating the relative relationship between the connector of the existing audio signal line, an audio signal line and a socket;

Fig. 2 is a three-dimensional exploded view illustrating the relative relationship between a first embodiment of the joint of the audio signal line of the present invention and an audio signal line and a socket;

Fig. 3 is an incomplete partial sectional front view, illustrating the combined relationship of the first embodiment, the audio signal line and the socket;

Fig. 4 is a three-dimensional exploded view illustrating a second embodiment of the joint of the audio signal line of the present invention and the relative relationship between the audio signal line and the socket;

Fig. 5 is an incomplete partial sectional front view, illustrating the combined relationship of the second embodiment, the audio signal line and the socket;

Fig. 6 is a perspective view illustrating a mounting base and a socket of a third embodiment of the connector of the audio signal line of the present invention;

Fig. 7 is a perspective view illustrating the installation seat and the socket socket of a fourth embodiment of the joint of the audio signal line of the present invention;

Fig. 8 is a perspective view illustrating the installation seat and the socket socket of a fifth embodiment of the joint of the audio signal cable of the present invention.

detailed description

The utility model will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that in the following description, similar elements are denoted by the same numbers.

Referring to Fig. 2 and Fig. 3, a first embodiment of the joint of the audio signal line of the present invention is suitable for connecting an audio signal line 3, and can be plugged in a socket 4 with a socket hole 41, which The socket 4 can be located on an audio equipment, a loudspeaker or other sound playing equipment. It should be noted that the audio signal cable 3 in the figure is only for illustrative purposes, and the internal structure, quantity, and arrangement of the cables are not limited to the first embodiment. The connector of the audio signal line includes a mounting seat 5 , a socket socket 6 , a protective cover 7 , a shell 8 and two screw connectors 9 .

The mounting base 5 is connected to the audio signal line 3 , and the part where it is connected to the audio signal line 3 is roughly a hollow cylinder with a semicircular cross section. The mounting base 5 includes a cable-collecting space 52 extending axially for passing the audio signal cable 3 , and a contact surface 53 facing the cable-collecting space 52 . The wire gathering space 52 has an opening 51 facing the audio signal line 3 .

The receptacle 6 and the mounting base 5 are integrally formed of metal material. The receptacle 6 includes a receptacle portion 62 extending from the mounting base 5 away from the audio signal line 3 and defining an extension space 621 , and an end connected to the receptacle portion 62 away from the mounting base 5 The end portion 61 closes the opening of the extension space 621 facing the side of the socket 4 . The insertion portion 62 has an inner peripheral surface 622 facing the extending space 621 , an outer peripheral surface 623 opposite to the inner peripheral surface 622 , and a helically extending and penetrating inner peripheral surface 622 and the outer peripheral surface 623 . The groove 63 communicates with the extending space 621 .

Wherein, the groove 63 includes two rings of connected groove segments 631, the extension range of each ring of groove segments 631 is 360 degrees, and the width d of each ring of groove segments 631 is preferably 0.5-2mm. This embodiment is 1mm is used. The width d of each groove segment 631 refers to the dimension of the groove segment 631 perpendicular to its extending direction.

The protective cover 7 is assembled outside the mounting base 5 and includes a ring wall 71 defining an assembly channel 70 . The ring wall 71 has a first screw hole 711 radially penetrating through and communicating with the assembly channel 70 . The protective cover 7 is made of insulating plastic steel (POM), which is characterized by wear resistance and fatigue resistance, and will not affect the transmission of audio signals. The protective cover 7 can be used to protect the mounting base 5, and can be Better safety when the utility model is used is provided. But it should be noted that it is not necessary to arrange the protective cover 7 when the utility model is implemented, because when the protective cover 7 is not provided, the utility model can still be used safely. The protective cover 7 can also be made of other insulating materials, such as plastic, which is not limited to the first embodiment.

The shell 8 is assembled with the protective cover 7 and is screwed to the outside of the protective cover 7 . The housing 8 includes a second screw hole 81 radially penetrating the inner and outer peripheral surfaces of the housing wall.

The screw connector 9 can be respectively locked into the first screw hole 711 of the protective cover 7 and the second screw hole 81 of the housing 8 so as to fix one end of the audio signal cable 3 in the mounting seat 5 .

When the present embodiment is assembled with the audio signal line 3, one end of the audio signal line 3 is first inserted into the wire-collecting space 52 from the opening 51 of the mounting base 5, and then the screw joints 9 are respectively locked. Inserting the first screw hole 711 and the second screw hole 81, one end of the audio signal line 3 can be pressed against the contact surface 53 without sliding, so that the audio signal line 3 and the mounting base 5 can be tightly and firmly combined.

Wherein, the groove 63 of the receptacle 6 is designed so that when the user plugs and pulls out the connector, if the direction of plugging and pulling is not forward but is oblique to the socket 4 and forms an angle, the groove 63 It can be used as a buffer space when pulling out or inserting obliquely, because the gap formed by the groove segment 631 of the groove 63 allows the user to have a slight spatial deformation when pulling out or inserting obliquely, without directly causing The permanent bending or damage of the receptacle 6 body. In practice, the number of groove segments 631 of the groove 63 is not limited to two turns in this embodiment, the spiral direction of the groove 63 can be opposite to that shown in the figure, and the number of groove segments 631 can also be half Circles, three circles, four circles, etc., depending on the length of the socket portion 62 to do design adjustments. On the other hand, in this first embodiment, both the mounting seat 5 and the socket socket 6 are made of tellurium-copper alloy with high copper content. Tellurium-copper alloy has good machinability. Of course, the installation The base 5 and the receptacle 6 can also be made of other materials, such as oxygen-free copper (OFC) or silver (Ag), so they are not limited to the first embodiment.

The mounting seat 5 and the socket socket 6 of the present embodiment are integrally formed, and when the socket socket 6 is made, the groove 63 can be made through only one turning process, which is not only convenient but also It is quite fast, and through such a convenient and fast manufacturing method, the structure with the groove 63 of the present utility model can be obtained, so that the mounting seat 5 and the socket socket 6 can provide a suitable socket under the integrated design. The pulling force has the function of resisting and buffering the external force of plugging and unplugging, which can avoid the problem that the connector is easily damaged and affects the signal quality after repeated plugging and unplugging, so the utility model can improve the quality of audio signal transmission.

Moreover, the utility model simplifies the design of the conductor channel between the mounting seat 5 and the socket socket 6, and makes it in an integrated turning process, so the utility model directly processes the mounting seat 5 and the socket socket through a single conductor. The structural design of 6 can eliminate the impedance caused by the assembly or poor contact between conductors, so the integrated design of the utility model can help reduce impedance and improve the quality of audio signal transmission.

Referring to Fig. 4 and Fig. 5, a second embodiment of the connector of the audio signal line of the present utility model has substantially the same structure as the first embodiment, but the present embodiment omits the setting of the screw joint 9 (Fig. 2), The protective cover 7 is not provided with the first screw hole 711 ( FIG. 2 ), and the housing 8 is not provided with the second screw hole 81 ( FIG. 2 ). The assembly method of the mounting base 5 and the audio signal line 3 in this embodiment is that after the audio signal line 3 is inserted into the wire gathering space 52 of the mounting base 5, the audio signal line 3 is fixed by welding. On the contact surface 53 of the mounting seat 5, so as to achieve the effect of close combination.

Referring to Fig. 6, a third embodiment of the joint of the audio signal line of the present invention has substantially the same structure as the second embodiment, the difference is that the socket part 62 of the socket socket 6 of the present embodiment includes Two helical grooves 63 are arranged at intervals of 180 degrees and extend in the same helical direction. During manufacture, a turning tool is horizontally penetrated through the upright insertion portion 62 , and then spirally cut downwards to form the two grooves 63 , each groove 63 extends for 360 degrees. Each groove 63 has a top 632 and a bottom 633 , the top 632 of the groove 63 is opposite to each other, and the bottom 633 of the groove 63 is also opposite to each other.

Referring to Fig. 7, a fourth embodiment of the connector of the audio signal line of the present utility model has substantially the same structure as the third embodiment, and also includes two grooves 63, the difference is that each of the present embodiment The extension range of the groove 63 is 180 degrees. From the descriptions of the above embodiments, it can be seen that when the present invention is implemented, the number and extension of the grooves 63 need not be limited.

Referring to Fig. 8, a fifth embodiment of the connector of the audio signal line of the present invention has roughly the same structure as the first embodiment, the difference is that the socket 6 of the present embodiment omits the first embodiment. The end portion 61 ( FIG. 2 ), the extension space 621 of the insertion portion 62 of this embodiment extends axially, and the top end of the extension space 621 is exposed.

Claims (10)

1. A connector for an audio signal line, suitable for connecting an audio signal line, and comprising: a mount for connecting the audio signal line, characterized in that: the connector for the audio signal line also includes a The socket, the socket extends from the mounting seat to the direction away from the audio signal line, and defines an extension space, and the socket has at least one groove that extends in a spiral shape and communicates with the extension space . 2. The connector for audio signal lines according to claim 1, wherein the mount includes a hub space for the audio signal line to pass through, and a hub facing the hub space and contacting the audio signal line Contact surfaces. 3. The audio signal cable connector according to claim 1, wherein the socket includes a socket extending from the mounting seat in a direction away from the audio signal cable, and a socket connected to the socket The end part of one end away from the mounting base, the insertion part defines the extension space, and has an inner peripheral surface facing the extension space, and an outer peripheral surface opposite to the inner peripheral surface, the groove runs through the The inner peripheral surface and the outer peripheral surface. 4. The audio signal cable connector as claimed in claim 1, wherein the groove comprises two connected groove segments. 5. The audio signal line connector according to claim 4, wherein the width of each groove segment is 0.5-2mm. 6. The audio signal cable connector according to any one of claims 1 to 3, wherein the receptacle has two grooves spaced apart from each other, and each groove extends for 360 degrees, Each groove has a top and a bottom, the tops of the grooves are opposite to each other, and the bottoms of the grooves are opposite to each other. 7. The audio signal cable connector according to any one of claims 1 to 3, wherein the receptacle has two grooves spaced apart from each other, and each groove extends for 180 degrees. Each groove has a top and a bottom, the tops of the grooves are opposite to each other, and the bottoms of the grooves are opposite to each other. 8 . The audio signal cable connector as claimed in claim 1 , wherein the audio signal cable connector further comprises an insulated protective cover assembled outside the mounting base. 9 . 9. The audio signal cable connector as claimed in claim 8, wherein the protective cover is made of plastic steel. 10 . The audio signal cable connector as claimed in claim 1 , wherein both the mounting seat and the socket socket are made of tellurium-copper alloy. 11 .