CN210576644U

CN210576644U - Single track audio frequency plug and riveting formula plug connecting piece thereof

Info

Publication number: CN210576644U
Application number: CN201921188306.9U
Authority: CN
Inventors: 吴荣裕
Original assignee: Enping Wanlihui Wire And Cable Co Ltd
Current assignee: Enping Wanlihui Wire And Cable Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-19
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a single track audio plug and riveting type plug connecting piece thereof, wherein the single track audio plug comprises an outer pipe, an expansion pipe, an insert core and a plug top cover, the upper part of the expansion pipe comprises a plurality of expansion sheets arranged around the axis of the expansion pipe, the lower part of the insert core is inserted into the plug top cover, the upper part of the insert core is taken as a binding post and penetrates out from bottom to top from the expansion pipe, a supporting part on the insert core is propped open by the expansion sheet to lead the expansion sheet to deform outwards, the riveting type plug connecting piece is provided with a first riveting sheet and an inserting part corresponding to the space formed by the expansion sheet and the inner wall of the outer pipe, a second riveting sheet is arranged corresponding to the binding post, and the connection of a wire rod and the single track audio plug is fixed by utilizing the riveting processing mode, the utility model discloses the assembly of the expansion pipe which is prefabricated and can save the process of, the problem caused by manual welding of wires is solved.

Description

Single track audio frequency plug and riveting formula plug connecting piece thereof

Technical Field

The utility model relates to an audio frequency plug field, in particular to monophonic audio frequency plug and riveting formula plug connection spare thereof.

Background

The isolation structure between inner core and the outer tube in traditional monaural audio frequency plug injects the plastic through the injection molding machine usually and forms, and leave the solder joint that corresponds signal end and earthing terminal at monaural audio frequency plug one end, consequently, the monaural audio frequency plug of this kind of structure is in process of production, will lean on the staff to place the hardware (metalwork such as inner core and outer tube) in the plastic mould, the accuracy requirement is higher, it is more to consume the worker, simultaneously, receive many factors influence such as humidity during moulding plastics, the temperature, speed, pressure and time, produce the inner core to be partial to, mould plastics the fluff limit, the problem of parting bead inhomogeneous etc. easily, lead to the defective index higher, it is not stable enough.

On the other hand, the connection between the monophonic audio plug with the welding spots and the cable is completed by welding, and the welding spots of the monophonic audio plug are very small in interval, so that the requirement on the proficiency of welding workers is very high, the problems of insufficient solder, short circuit, open circuit and the like are difficult to avoid, and meanwhile, the welding process needs to use soldering tin and can generate polluted gas in the processing process, so that the welding process is unfavorable for the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a monophonic audio frequency plug and riveting formula male connection spare thereof, improve the inside fixed knot of plug and construct, utilize prefabricated expansion pipe to improve the yields, make it be adapted to automated processing to adopt riveting formula male connection spare processing, avoid the welding bad problem that appears easily under the welding process mode.

According to a first aspect of the present invention, there is provided a mono audio plug, comprising an outer tube, an expansion tube, a ferrule and a plug top cap, the expansion pipe is of a hollow tubular structure, the upper part of the expansion pipe comprises a plurality of expansion sheets arranged around the axis of the expansion pipe, the expansion sheet is enclosed to form an eyelet with the aperture smaller than the inner diameter of the expansion pipe, the side surface of the insert core is provided with a supporting part for keeping the expansion sheet expanded, the lower part of the insertion core is inserted into the plug top cover, the upper part of the insertion core is taken as a binding post and penetrates out of the expansion pipe from bottom to top, the outer pipe is sleeved outside the expansion pipe and is separated from the plug top cover by a certain distance, the supporting part props the expansion sheet to enable the expansion sheet to deform outwards, and a space for extruding and fixing the wire or the insertion needle is formed between the expansion sheet and the inner wall of the outer tube in an expanded state.

The mono-based audio plug at least has the following beneficial effects: in the expansion pipe, the structure that utilizes the inflation piece is intraductal to form fixed to the extrusion of inserting the core, outside the expansion pipe, because the deformation takes place for lock pin extrusion inflation piece, make the inflation piece press close to the inner wall of outer tube very much, can tightly extrude fixed outside wire rod or contact pin, make whole audio plug's structure obtain fixing, the embodiment of the utility model provides an utilize prefabricated expansion pipe to carry out the equipment of single track audio plug, saved the process of moulding plastics among the traditional processing technology, and structurally adapt to automated production, can utilize automatic processing equipment promptly to squeeze into wire rod or contact pin and accomplish in the single track audio plug fixedly, reduce the human cost, improved single track audio plug's production efficiency greatly, uniformity and stability.

According to the utility model discloses the first aspect a monophonic audio plug, the lock pin is still including being convenient for the lock pin passes the broken inclined plane in punchhole, broken inclined plane sets up between supporting part and the terminal, the radius of terminal is less than the radius of lock pin, the sub-unit connection of terminal break the inclined plane. The function of breaking the inclined plane lies in dispersing the impact force of lock pin to the expansion pipe in the course of working, can protect the expansion pipe to not broken by the dashing to a certain extent.

According to the utility model discloses a monophonic audio frequency plug of first aspect, the supporting part is for encircleing the annular groove of lock pin surface, the radius of supporting part is less than the radius of lock pin just is greater than the radius of punchhole. After the terminal of lock pin dashes out the inflation piece, the upper portion of inflation piece can enter into the annular groove, and the annular groove is as a joint part, blocks the lock pin and makes it can not retreat and break away from the inflation piece.

According to the utility model discloses first aspect a monophonic audio plug, the inflation piece is including being used for the card to go into joint portion in the supporting part, joint portion follows the upper portion of inflation piece to extend in the inflation pipe. The shape of joint portion matches in the annular groove, therefore joint portion and annular groove both form one from two directions about all the structure of chucking lock pin.

According to the utility model discloses a monophonic audio plug, the expansion pipe is including encircleing the buckle groove that the surface of expansion pipe set up, the butt joint of buckle groove the lower part of inflation piece. In some cases, the wire or pin has a barb or a catching part, and the space formed between the catching groove and the inner wall of the outer tube can be used to reinforce the fixing of the wire or pin.

According to the utility model discloses a single track audio frequency plug of first aspect, the outer wall of outer tube sinks through the punching press and forms the locating piece, the position of locating piece with the buckle groove is corresponding. The locating piece that punches out on outer tube surface is used for fixed outer tube and is connected between the expansion pipe, if do not have the buckle groove, directly punches out the locating piece and probably causes the damage of expansion pipe.

According to the utility model discloses a monophonic audio plug, the expansion pipe still includes the protruding portion as the insulator ring, the protruding portion is followed the expansion pipe surface is outside outstanding, the bottom and the plug top cap of outer tube are supported respectively and are pushed up the upper and lower both sides of protruding portion. The signal end and the grounding end of the monophonic plug are separated by an insulating ring, wherein the insulating ring is equivalent to a protruding part of the expansion pipe, and the protruding part also defines a connection mode between the outer pipe and the plug top cover, so that the expansion pipe, the outer pipe and the plug top cover are connected more tightly.

According to the utility model discloses a second aspect provides a riveting formula connector suitable for foretell any single audio frequency plug, rivet preforming, attached strip and be used for inserting including first riveting piece, second riveting piece the grafting portion in the single audio frequency plug, the one end of first riveting piece and the one end of second riveting piece all are connected to on the attached strip, the other end of first riveting piece is connected grafting portion, grafting portion inserts the inflation piece with in the space that forms between the outer tube inner wall, the butt joint of second riveting piece the terminal.

The riveting type plug connecting piece at least has the following beneficial effects: first riveting piece and second riveting piece all are used for carrying out the riveting to the wire rod and process fixedly, avoid adopting manual welding line, have improved the accuracy of assembly, have solved the bad and welding pollution's of solder joint problem, in addition, because the connector assembly is continuous, consequently can realize pressing in succession in automated processing equipment, machining efficiency is very high.

According to the utility model discloses second aspect riveting formula connector assembly, grafting portion is the arc sheetmetal, be provided with in the grafting portion be used for strengthen with the barb of being connected between the single sound channel audio frequency plug, the barb orientation first riveting piece direction sets up. The radian of the cylindrical outer pipe of arc sheetmetal laminating makes grafting portion get into monophonic audio frequency plug inside more easily, and the barb can block into the connection of strengthening the plug connector in the buckle groove.

According to the utility model discloses the second aspect riveting formula connector assembly, be provided with the locating hole that is used for automated processing on the attachment strip. And positioning the sensor for automatic processing to align, and helping the mechanical equipment to automatically process.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a cross-sectional view of an integral connection structure of an embodiment of the present invention;

FIGS. 2-5 are perspective, plan, elevation and cross-sectional views, respectively, of an expansion tube according to an embodiment of the present invention;

fig. 6 is an exploded view of a mono audio plug according to an embodiment of the present invention;

fig. 7-8 are perspective and front views, respectively, of a plug connector according to an embodiment of the present invention;

fig. 9 is a perspective view of the overall connection structure according to the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the embodiment of the present invention, the description of the upper and lower parts is based on the reference coordinate in the drawings, and other top views and perspective views refer to the coordinate system.

Referring to fig. 1, 6 and 9, a first aspect of embodiments of the present invention relates to a mono audio plug including an outer tube 100, an expansion tube 200, a ferrule 300 and a plug top cap 400, each of which is described in detail below:

an outer tube 100 serving as a ground terminal of the monaural audio plug and wrapping the expansion tube 200 and the ferrule 300, wherein the outer tube 100 is a hollow circular tube in the embodiment;

the expansion pipe 200, referring to fig. 2-5, is a hollow tubular structure, and includes a plurality of expansion pieces 210 disposed around the axis of the expansion pipe 200 at the upper part of the expansion pipe 200, a buckling groove 240 butted at the lower part of the expansion pieces 210, and a protrusion 250 protruding outward along the surface of the expansion pipe 200, wherein the expansion pieces 210 enclose an eyelet 220 with a diameter smaller than the inner diameter of the expansion pipe 200, the expansion pieces 210 further include a buckling part 230, the buckling part 230 extends into the expansion pipe 200 along the upper part of the expansion pieces 210, the buckling groove 240 is disposed around the outer surface of the expansion pipe 200, the protrusion 250 serves as an insulating ring protruding outward along the surface of the expansion pipe 200, the bottom of the outer pipe 100 and the plug top cover 400 respectively abut against the upper and lower sides of the protrusion 250;

the ferrule 300 is provided with a support 320 for keeping the expansion sheet 210 expanded and a breaking inclined plane 330 for facilitating the ferrule 300 to pass through the eyelet 220, wherein the support 320 is an annular groove surrounding the outer surface of the ferrule 300, the radius of the support 320 is smaller than that of the ferrule 300 and larger than that of the eyelet 220, the breaking inclined plane 330 is arranged between the support 320 and the terminal 310, the radius of the terminal 310 is smaller than that of the ferrule 300, and the lower part of the terminal 310 is connected with the breaking inclined plane 330;

the plug top cover 400, which is a signal terminal of the mono audio plug, has a blind hole for coupling with the lower portion of the ferrule 300.

In the connection mode, the lower portion of the ferrule 300 is inserted into the plug top cover 400, the upper portion of the ferrule 300 serves as a binding post 310 and penetrates out of the expansion tube 200 from bottom to top, the impact force of the ferrule 300 on the expansion piece 210 is dispersed by the breaking inclined surface 330, the supporting portion 320 on the ferrule 300 props up the expansion piece 210 to enable the expansion piece 210 to deform outwards, the outer tube 100 is sleeved outside the expansion tube 200, so that the upper portion of the protruding portion 250 is in butt joint with the outer tube 100, and the lower portion is in butt joint with the plug top cover 400, at this time, the plug top cover 400, the protruding portion 250 and the outer tube 100 form a signal end, an insulating ring and a grounding end of a single-channel audio plug, and a space for extruding and fixing a wire or a pin is formed between the expansion piece 210. The outer wall of the outer tube 100 is depressed by punching to form a positioning block 110, the positioning block 110 is positioned corresponding to the buckling groove 240, the connection between the outer tube 100 and the expansion tube 200 is fixed by punching, and the structure of the monaural audio plug is enhanced. In this embodiment, the buckling groove 240, in addition to being matched with the positioning block 110 to form a reinforcing structure, also reduces the thickness of the joint between the expansion sheet 210 and the expansion pipe 200, so that the expansion sheet 210 is easier to deform, and the ferrule 300 is convenient to be opened.

The supporting portion 320 corresponds to the clamping portion 230 in shape, the supporting portion 320 serves as an annular groove, the groove is rectangular, and the clamping portion 230 is also rectangular in this embodiment, because the expansion tube 200 is an insulating plastic member capable of deforming to a certain extent, the clamping portion 230 on the expansion sheet 210 can also deform to a certain extent, comparing fig. 1 and 6, the clamping portion 230 is substantially perpendicular to the surface of the ferrule 300 in the non-expanded state and the expanded state, and the attractiveness of the expansion tube 200 finished product and the monaural audio plug finished product is maintained.

It should be noted that, except for the support portion 320 and the post 310, the radius of the ferrule 300 is kept consistent, and the size of the radius is the same as the inner diameter of the expansion tube 200, or slightly larger than the inner diameter of the expansion tube 200, so that the expansion tube and the expansion tube are in interference fit, and the aperture of the blind hole of the plug top cover 400 is also the same as the radius of the ferrule 300, at this time, the plug top cover 400, the ferrule 300 and the expansion tube 200 are in tight fit, and on the other hand, the outer diameter of the expansion tube 200 is also the same as the inner diameter of the outer tube 100, so that the structure.

The bottom of the expansion pipe 200 is provided with a matching part 260 which is gradually narrowed downwards, the edge of the matching part 260 is straight to the edge of the expansion pipe 200, the opening of the blind hole of the plug top cover 400 is wider and can be used for accommodating the matching part 260, and the overall structure of the single-channel audio plug is further enhanced through the staggered connection of the matching part 260 and the plug top cover 400.

Referring to fig. 7 and 8, a second aspect of the embodiments of the present invention relates to a riveting type plug connector suitable for the above-mentioned monaural audio plug, including first riveting piece 500, second riveting piece 600, attach to the strip 700 and be arranged in inserting the grafting portion 800 in the monaural audio plug, the one end of first riveting piece 500 and the one end of second riveting piece 600 are all connected to on attaching to the strip 700, grafting portion 800 is connected to the other end of first riveting piece 500, grafting portion 800 inserts in the space that forms between expansion piece 210 and the outer tube 100 inner wall, second riveting piece 600 docking post 310, it is provided with locating hole 710 that is used for automated processing to attach to the strip 700.

Wherein, grafting portion 800 is the arc sheetmetal, is provided with on the grafting portion 800 and is used for strengthening and be connected barb 810 between the audio plug of monophony, and barb 810 sets up towards first riveting piece 500 direction.

The connector assembly is used for automatic continuous production, set up the first riveting piece 500 of multiunit and second riveting piece 600 on adhering to strip 700, the first riveting piece 500 of every group and second riveting piece 600 correspond a monaural audio frequency plug, through inside mechanical equipment dashes the grafting portion 800 on the connector assembly into monaural audio frequency plug, plug-in portion 800 dashes into the space between expansion sheet 210 and the outer tube 100 inner wall, wherein in barb 810 card goes into buckle groove 240, prevent that grafting portion 800 from deviating from.

Referring to fig. 9, in the wire arrangement of the plug connector, the inner arc surface of the first riveting sheet 500 is placed to the ground wire 1, the inner arc surface of the second riveting sheet 600 is placed to the wiring terminal 310 and the signal wire 2, the first riveting sheet 500 is bent to wrap the ground wire 1 through riveting processing, the second riveting sheet 600 is bent to wrap the wiring terminal 310 and the signal wire 2, thereby the wire connection of the audio plug is completed, the accuracy of assembly is improved, the problems of poor welding spots and welding pollution are solved, in addition, because the plug connector is in series connection, a chain-shaped plug flat cable is formed after the plug connector is assembled, continuous pressing can be realized in automatic processing equipment, and the processing efficiency is high.

The embodiment of the utility model provides an expansion pipe 200 is prefabricated working of plastics, before getting into processing, choose away bad expansion pipe 200, with the expansion pipe 200 and the lock pin 300 of yields, outer tube 100 assembles into single track audio frequency plug, because expansion pipe 200 is the prefab, uniformity and stability are obviously superior to the gained structure of injection moulding processing, the yields of single track audio frequency plug has been improved, and utilize the assembly of automatic processing equipment, the human cost can be greatly reduced, improve the production efficiency of single track audio frequency plug, uniformity and stability.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. A mono audio jack, comprising: including outer tube (100), expansion pipe (200), lock pin (300) and plug top cap (400), expansion pipe (200) are hollow tubular structure, the upper portion of expansion pipe (200) is including winding a plurality of expansion piece (210) that the axle center of expansion pipe (200) set up, expansion piece (210) enclose into the aperture and are less than eyelet (220) of expansion pipe (200) internal diameter, the side of lock pin (300) is provided with and is used for keeping supporting portion (320) that expansion piece (210) strutted, the lower part of lock pin (300) is inserted in plug top cap (400), the upper portion of lock pin (300) is as terminal (310) and is up worn out from down expansion pipe (200), outer tube (100) cover outside expansion pipe (200) and with plug top cap (400) are separated by a section distance, supporting portion (320) strutted expansion piece (210) make expansion piece (210) outwards warp, and a space for extruding and fixing the wires or the insertion pins is formed between the expansion sheet (210) and the inner wall of the outer tube (100) in an expanded state.

2. The mono audio jack of claim 1, wherein: the ferrule (300) further comprises a breaking inclined plane (330) for facilitating the ferrule (300) to pass through the eyelet (220), the breaking inclined plane (330) is arranged between the support part (320) and the terminal (310), the radius of the terminal (310) is smaller than that of the ferrule (300), and the lower part of the terminal (310) is connected with the breaking inclined plane (330).

3. The mono audio jack of claim 1, wherein: the support (320) is an annular groove surrounding the outer surface of the ferrule (300), and the radius of the support (320) is smaller than the radius of the ferrule (300) and larger than the radius of the bore (220).

4. A mono audio jack as claimed in claim 3, wherein: the expansion piece (210) comprises a clamping portion (230) which is used for being clamped into the supporting portion (320), and the clamping portion (230) extends into the expansion pipe (200) along the upper portion of the expansion piece (210).

5. The mono audio jack of claim 1, wherein: the expansion pipe (200) comprises a buckling groove (240) arranged around the outer surface of the expansion pipe (200), and the buckling groove (240) is butted with the lower part of the expansion sheet (210).

6. The mono audio jack of claim 5, wherein: the outer wall of the outer tube (100) is sunken through punching to form a positioning block (110), and the position of the positioning block (110) corresponds to the buckling groove (240).

7. The mono audio jack of claim 1, wherein: the expansion pipe (200) further comprises a protruding portion (250) serving as an insulating ring, the protruding portion (250) protrudes outwards along the surface of the expansion pipe (200), and the bottom of the outer pipe (100) and the plug top cover (400) abut against the upper side and the lower side of the protruding portion (250) respectively.

8. A rivet press type plug connector adapted to a mono audio plug according to any one of claims 1 to 7, wherein: the single-channel audio plug is characterized by comprising a first riveting sheet (500), a second riveting sheet (600), an attaching strip (700) and a splicing part (800) used for being inserted into the single-channel audio plug, wherein one end of the first riveting sheet (500) and one end of the second riveting sheet (600) are connected to the attaching strip (700), the other end of the first riveting sheet (500) is connected with the splicing part (800), the splicing part (800) is inserted into a space formed between the expansion sheet (210) and the inner wall of the outer tube (100), and the second riveting sheet (600) is butted with the wiring terminal (310).

9. The rivet press type plug connector according to claim 8, wherein: the inserting part (800) is an arc-shaped metal sheet, a barb (810) used for reinforcing connection between the inserting part (800) and the single-channel audio plug is arranged on the inserting part, and the barb (810) is arranged towards the direction of the first riveting sheet (500).

10. The rivet press type plug connector according to claim 8, wherein: the attachment strip (700) is provided with a positioning hole (710) for automatic processing.