CN207677144U - Connection plug and earphone - Google Patents

Abstract

The utility model belongs to audio input device technical field, more particularly to a kind of connection plug and earphone, connection plug includes being draped over one's shoulders outside connection needle, plug internal model and plug, the inside of plug internal model offers assembly cavity, connection needle is fixedly connected with one end of plug internal model and stretches into assembly cavity, the other end of plug internal model offers the access aperture for accessing signal transmssion line, signal transmssion line enters in assembly cavity from access aperture and is electrically connected with needle is connect, and the outer sheath of plug is set to outside plug internal model and is integrally formed with plug internal model.By offering assembly cavity in the inside of plug internal model, then signal transmssion line and connection needle just can realize electrical communication in assembly cavity.It is draped over one's shoulders by being arranged outside plug outside connection plug internal model, and to drape over one's shoulders outside plug and be integrally formed with plug internal model.Just make the bonding strength bigger draped over one's shoulders outside plug internal model and plug in this way, and then effectively enhances the ability for draping over one's shoulders that tear-proof detaches under force effect outside instantaneous high intensity outside plug internal model and plug.

Description

Connection plug and earphone

Technical field

The utility model belongs to audio input device technical field more particularly to a kind of connection plug and earphone.

Background technology

For headset plug as the crucial connecting component between audio output apparatus and headset body, connection reliability is direct Influence the stability that earphone uses for a long time.Therefore, the connective stability design of headset plug is that practitioner is closed for a long time always The hot issue of note.

Currently, headset plug has generally comprised outer sleeve and inner member.In the prior art, outer sleeve and inner member are general It is that gluing is set-located or outer sleeve cuff is in outside inner member, to ensure being bonded for outer sleeve and inner member.However, The connection type of above-mentioned outer sleeve and inner member may still result in outer sleeve and inner member and occur under external force role of tear Separation, so that the survivability of headset plug in extreme circumstances declines.

Utility model content

The purpose of this utility model is to provide a kind of connection plug and earphones, it is intended to solve connection plug in the prior art Outer sleeve and inner member the technical issues of easily detaching under external force.

To achieve the above object, the technical solution adopted in the utility model is：A kind of connection plug, including connect needle, insert It is draped over one's shoulders outside head internal model and plug, the inside of the plug internal model offers assembly cavity, the connection needle and the one of the plug internal model End is fixedly connected and stretches into the assembly cavity, and the other end of the plug internal model is offered for accessing signal transmssion line and making The signal transmssion line enters the access aperture to be electrically connected with the connection needle in the assembly cavity, and the outer sheath of the plug is set It is integrally formed in outside the plug internal model and with the plug internal model.

Further, the plug internal model offer the access aperture one end be equipped be sheathed on the signal transmssion line The length direction of spiral net tail, the spiral net tail towards the signal transmssion line extends.

Further, the inside of the spiral net tail is formed with cable accommodating area, and the signal transmssion line passes through the line Cable accommodating area and the access aperture and enter the assembly cavity in.

Further, the inner wall with the outer wall of the signal transmssion line of the spiral net tail are bonded fixation, and the spiral The one end of net tail far from the plug internal model is formed with cable jacket, and the cable jacket is sheathed on outside the signal transmssion line simultaneously It is bonded fixation with the signal transmssion line.

Further, the connection needle includes plugging needle section and connection needle section, described to plug needle section and the connection needle section It is fixedly connected, the plug internal model offers pilot hole close to one end of the connection needle, and the connection needle section passes through the dress Distribution simultaneously stretches into the assembly cavity, and the inner wall of the pilot hole is formed with internal thread, the outer wall convex shaped of the connection needle section It is threadedly coupled with the internal thread at having external screw thread, the external screw thread.

Further, the needle section protrusion on one end outer wall of the connection needle section that plugs has extended to form convex annular Platform, recess is formed with limit loop order on the pilot hole inner wall, and the annular convex platform is embedded cooperation with the limit loop order.

Further, the side of the connection needle section offers three-level assembly step, and each assembly step is described in The direction for plugging needle section is incremented by step by step, and respective bump has extended to form three-level mounting boss, each assembly in the assembly cavity Step corresponds with each mounting boss and is embedded cooperation.

Further, the connection needle section opens up that there are three for accessing the signal away from the side of the assembly step The cable hole of transmission line, three cable holes are arranged in a one-to-one correspondence with three assembly steps.

Further, the inner wall of the assembly cavity correspond to each cable hole position protrusion extend to form there are three positioning Pipe, each positioning pipe and each cable hole correspond and plug cooperation.

The beneficial effects of the utility model：The connection plug of the utility model, by being offered in the inside of plug internal model Assembly cavity so that the one end for connecting needle is stretched into assembly cavity, and is offered in the other end of plug internal model and passed for accessing signal The access aperture of defeated line, then signal transmssion line and connection needle just can realize electrical communication, and then audio signal in assembly cavity It can be transmitted to signal transmssion line from connection needle, and then realize the transmission of audio signal.By in connection plug internal model housing If being draped over one's shoulders outside plug, and to drape over one's shoulders outside plug and be integrally formed with plug internal model.So just so that the company draped over one's shoulders outside plug internal model and plug Intensity bigger is connect, and then effectively enhances and drapes over one's shoulders the tear-proof separation under force effect outside instantaneous high intensity outside plug internal model and plug Ability.

The utility model use another technical solution be：A kind of earphone, including headset body and with the headset body The signal transmssion line of connection, the earphone further include having above-mentioned connection plug, the connection plug and the signal transmssion line Connection.

A kind of earphone provided by the utility model, due to being equipped with above-mentioned connection plug, then due in connection plug Integrally formed characteristic is draped over one's shoulders outside plug internal model and plug, is draped over one's shoulders outside plug internal model and plug and is just not readily separated, thus the company of imparting Plug service ability steady in a long-term, and then also improve the quality for the earphone for being equipped with above-mentioned connection plug.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram for the connection plug that the utility model embodiment provides；

Fig. 2 is the configuration schematic diagram for the connection plug that the utility model embodiment provides；

Fig. 3 is the structural schematic diagram of the connection needle for the connection plug that the utility model embodiment provides；

Fig. 4 is another structural schematic diagram of the connection needle for the connection plug that the utility model embodiment provides；

Fig. 5 is the structural schematic diagram of the plug internal model for the connection plug that the utility model embodiment provides；

Fig. 6 is that the plug for the connection plug that the utility model embodiment provides drapes over one's shoulders the structural schematic diagram with spiral net tail outside.

Wherein, each reference numeral in figure：

10-connection needles 11-plug needle section 12-connection needle section

13-14-annular convex platform of external screw thread, 15-limit loop orders

16-assembly step 20-plug, 21-assembly cavities of internal model

22-access aperture 23-spiral, 24-cable of net tail accommodating areas

25-pilot hole 26-internal thread, 27-mounting boss

It is draped over one's shoulders outside 28-29-cable hole of positioning pipe, 30-plugs

40-111-cable jackets of signal transmssion line.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~6 is exemplary, it is intended to for explaining the utility model, and should not be understood as to this practicality Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figures 1 to 3, a kind of connection plug that the utility model embodiment provides, including connection needle 10, plug internal model 20 and plug outside drape over one's shoulders 30, the inside of plug internal model 20 offers assembly cavity 21, connects needle 10 and one end of plug internal model 20 is fixed It connects and stretches into assembly cavity 21, the other end of plug internal model 20 is offered for accessing signal transmssion line 40 and making signal transmission Line 40 enter in assembly cavity 21 with the access aperture 22 that connect electric connection of needle 10, plug drapes over one's shoulders 30 and is sheathed on outside plug internal model 20 outside And it is integrally formed with plug internal model 20.

Further, 30 are draped over one's shoulders outside plug to be made of TPU (thermoplastic polyurethane elastomer rubber) material, plug internal model is adopted It is made of PP (polypropylene) material.30 are draped over one's shoulders outside plug in this way, being prepared by using TPU, then it is good resistance to have benefited from TPU materials Mill property, then the risk being scraped off can effectively be reduced when being scraped with extraneous sharp object by draping over one's shoulders 30 outside plug, to improve The anti-scratch ability of connection plug.Have benefited from the good tearing strength of TPU materials, then draping over one's shoulders 30 under the effect of external force outside plug Just it is not easy to be torn, be torn to effectively prevent being set to the plug internal model 20 draped over one's shoulders outside plug inside 30 due to draping over one's shoulders 30 outside plug And be directly exposed in external environment, and then improve the protective capability that 30 pairs of plug internal models 20 are draped over one's shoulders outside plug.Further, Connect a diameter of 2.5mm~4mm of needle.Specifically, connect needle diameter can be 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm。

Meanwhile and since (- 35 DEG C~120 DEG C) can keep good to TPU materials within the scope of more wide in range temperature Elasticity and compliance, so just but also draped over one's shoulders outside plug 30 during ambient temperature changes itself property always Matter does not change, so improve connection plug wider temperature range long-time service stability.

Further, have benefited from the good surface rigidity of PP materials and adhesion strength, then using made of PP materials Plug internal model 20 just can effectively be that the connection needle 10 in the portion that inserts into the inner and signal transmssion line 40 provide protection, ensure connection needle 10 With stabilization electrical communication of the signal transmssion line 40 in plug internal model 20.

The connection plug that the utility model embodiment provides, by offering assembly cavity 21 in the inside of plug internal model 20, So that one end of connection needle 10 is stretched into assembly cavity 21, and offered in the other end of plug internal model 20 for accessing signal transmission The access aperture 22 of line 40, then signal transmssion line 40 and connection needle 10 just can realize electrical communication in assembly cavity 21, in turn Audio signal can be transmitted to signal transmssion line 40 from connection needle 10, and then realize the transmission of audio signal.By in plug It is arranged outside internal model 20 outside plug and drapes over one's shoulders 30, and so that drape over one's shoulders 30 outside plug is integrally formed with plug internal model 20.So just so that in plug 30 bonding strength bigger is draped over one's shoulders outside mould 20 and plug, and then is effectively enhanced and draped over one's shoulders 30 outside plug internal model 20 and plug instantaneous high-strength The ability that tear-proof detaches under force effect of being outside one's consideration.Further, according to actual conditions, 30 shape is draped over one's shoulders outside plug internal model 20 and plug Shape may be designed as straight barrel type or flexure type, and the present embodiment is not limited this.

In the present embodiment, as shown in figs. 1,2 and 6, plug internal model 20 offers one end of access aperture 22 equipped with set Set on the spiral net tail 23 of signal transmssion line 40, the length direction of spiral net tail 23 towards signal transmssion line 40 extends.Specifically, Spiral net tail 23 is integrally formed with plug internal model 20, and spiral net tail 23 is formed using TPU material preparations.

Further, by the way that spiral net tail 23 is arranged at the access aperture 22 of plug internal model 20, then signal transmssion line 40 It just can be first subjected to the effective protection of spiral net tail 23 close to one end of plug internal model 20, avoid the outer of signal transmssion line 40 Skin and the hole wall sharp corner of the access aperture 22 of plug internal model 20, which occur to scrape, causes signal transmssion line 40 impaired.

In the present embodiment, as shown in figs. 1,2 and 6, the inside of spiral net tail 23 is formed with cable accommodating area 24, letter Number transmission line 40 enters across cable accommodating area 24 and access aperture 22 in assembly cavity 21.Specifically, each spiral shell of spiral net tail 23 There are buffer gaps between rotation section.

Further, by making the inside of spiral net tail 23 be formed with cable accommodating area 24, then signal transmssion line 40 Cable accommodating area 24 can be passed through, and is entered in the assembly cavity 21 of plug internal model 20 by access aperture 22.So just it ensure that Signal transmssion line 40 first has to before the assembly cavity 21 for entering plug internal model 20 by access aperture 22 through cable accommodating area 24.Signal transmssion line 40 is in the effective protection for just having obtained spiral net tail 23 with the contact site of plug internal model 20 in this way.Meanwhile by In the material of spiral net tail 23 be TPU materials, then having benefited from the compliance of TPU materials and good toughness, such spiral net With signal transmssion line 40 relative to plug internal model 20 360 ° of rotation can occur for tail 23 and not broken, so just improve spiral 23 working environment adaptability of net tail.

Preferably, there are buffer gaps between each spiral section by making spiral net tail 23, so just so that spiral Net tail 23 possesses more good crooked deformability, and then can adapt to the various shapes for the signal transmssion line 40 that it is wrapped in State.

In the present embodiment, the outer wall of the inner wall with signal transmssion line 40 of spiral net tail 23 is bonded fixation, and spiral net tail 23 one end far from plug internal model 20 are formed with cable jacket 111, cable jacket 111 be sheathed on signal transmssion line 40 it is outer and with letter The fitting of number transmission line 40 is fixed.Specifically, spiral net tail 23 and 40 integrated injection molding of signal transmssion line.

Further, it is fixed together since spiral net tail 23 fits with signal transmssion line 40, so just improves spiral shell Revolve net tail 23 and signal transmssion line 40 globality, also avoid signal transmssion line 40 close to one end of plug internal model 20 relative to Plug internal model 20 loosens, and then the phenomenon that cause to fall off.

It is fixed together simultaneously as spiral net tail 23 fits with signal transmssion line 40, so also increases signal biography The bond strength of defeated line 40 and plug internal model 20 so that signal transmssion line 40 and the connection of plug internal model 20 are more firm.

Further, the characteristics of it is low to have benefited from integrated injection molding technology production cost, is suitable for large-scale production, so The manufacturing cost of connection plug will be remarkably decreased.Further, by spiral net tail 23 far from plug One end of mould 20 is formed with cable jacket 111, due to so just further improving spiral net tail 23 and signal transmssion line 40 Bond strength.

In the present embodiment, as shown in figs. 2 to 4, connection needle 10 includes plugging needle section 11 and connection needle section 12, plugs needle section 11 are fixedly connected with connection needle section 12, and plug internal model 20 offers pilot hole 25, connection needle section 12 close to one end of connection needle 10 It across pilot hole 25 and stretches into assembly cavity 21, the inner wall of pilot hole 25 is formed with internal thread 26, and the outer wall of connection needle section 12 is convex It rises and is formed with external screw thread 13, external screw thread 13 is threadedly coupled with internal thread 26.

Further, by so that connecting needle section 12 and pilot hole 25 is threadedly coupled, connect in this way needle 10 just realize and Plug internal model 20 is bonded, and due to the convenience of threaded connection, then between connection needle 10 and plug internal model 20 just It can realize quick assembling, the whole assembly to save connection plug takes.

In the present embodiment, as shown in Fig. 2, Fig. 3 and Fig. 5, needle section 11 is plugged on one end outer wall of connection needle section 12 Protrusion has extended to form annular convex platform 14, and recess is formed with limit loop order 15, annular convex platform 14 and limit on 25 inner wall of pilot hole Loop order 15 is embedded cooperation.

Further, by being formed with annular convex platform 14 between plugging needle section 11 and connecting needle section 12, on the one hand, when slotting If needle section 11 is plugged in audio output apparatus jack, annular convex platform 14 can be connected to the outside of audio output apparatus jack Edge is to ensure that the accuracy for plugging needle section 11 and being engaged with audio output apparatus jack, and on the other hand, annular convex platform 14 is also It can be embedded in the limit loop order 15 for being fixed on and being formed in pilot hole 25, so that the connection of connection needle section 12 and plug internal model 20 It is more accurate and firm.

In the present embodiment, as shown in Fig. 2, Fig. 3 and Fig. 5, the side of connection needle section 12 offers three-level assembly step 16, Each assembly step 16 is incremented by step by step towards the direction for plugging needle section 11, and respective bump has extended to form three-level assembly in assembly cavity 21 Boss 27, each step 16 that assembles correspond with each mounting boss 27 and are embedded cooperation.

Further, it by offering three-level incremental assembly step 16 step by step in the side of connection needle section 12, and is filling With correspondingly protrusion has extended to form three-level mounting boss 27 in chamber 21, then respectively assembly step 16 with each mounting boss 27 one by one Correspond to and be embedded cooperation, so allow for connection needle section 12 in assembly cavity 21 will not double swerve, and then also just further Realize being stably connected with for connection needle section 12 and plug internal model 20.

Further, the assembly step 16 to be successively decreased step by step by offering three-level in connection needle section 12, thus will It connects needle section 12 to divide for three assembly areas, and then it is different in signal transmssion line 40 to achieve that each assembly area corresponds to Strands so that the connection cooperation of connection needle section 12 and the different strands of signal transmssion line 40 is accurate and mutually keeps only Vertical, be independent of each other interference.

In the present embodiment, as shown in Fig. 3~Fig. 5, there are three connection needle section 12 is opened up away from the side of assembly step 16 Cable hole 29 for accessing signal transmssion line 40, three cable holes 29 are arranged in a one-to-one correspondence with three assembly steps 16.Assembly The position that the inner wall of chamber 21 corresponds to each cable hole 29 is convexed to form there are three positioning pipe 28, each positioning pipe 28 and each cable hole 29 1 One corresponds to and plugs cooperation.Specifically, the different strands of signal transmssion line 40 pass through each positioning pipe 28 and enter each cable hole In 29.

Further, by making three cable holes 29 be arranged in a one-to-one correspondence with three assembly steps 16, then signal passes Each strand stock of defeated line 40 can be entered by cable hole 29 in connection needle section 12, and then by connecting needle section 12 and plugging needle Section 11 receives the electric signal from audio output apparatus.

Further, by make the inner wall of assembly cavity 21 correspond to each cable hole 29 position convex to form there are three with Three 16 one-to-one positioning pipes 28 of assembly step, and the different strands of signal transmssion line 40 is made to pass through each positioning pipe 28 simultaneously It enters in each cable hole 29.So the different strands of signal transmssion line 40 just can obtain the protection of positioning pipe 28, so just Further improve signal transmssion line 40 and the stability and reliability that connect the electric connection of needle section 12.

The utility model embodiment additionally provides a kind of earphone, including headset body and the signal that is connect with headset body pass Defeated line 40, earphone further include having above-mentioned connection plug, and connection plug and signal transmssion line 40 connect.

The earphone that the utility model embodiment provides, due to being equipped with above-mentioned connection plug, then due in connection plug Plug internal model 20 and plug outside drape over one's shoulders 30 integrally formed characteristics, draping over one's shoulders 30 outside plug internal model 20 and plug is just not readily separated, in this way Connection plug service ability steady in a long-term is just imparted, and then also improves the quality product for the earphone for being equipped with above-mentioned connection plug Matter.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle Within the scope of shield.

Claims (10)

1. being draped over one's shoulders outside a kind of connection plug, including connection needle, plug internal model and plug, it is characterised in that：The plug internal model it is interior Portion offers assembly cavity, and the connection needle is fixedly connected with one end of the plug internal model and stretches into the assembly cavity, described The other end of plug internal model offer for access signal transmssion line and make the signal transmssion line enter the assembly cavity in The access aperture being electrically connected with the connection needle, the outer sheath of the plug be set to the plug internal model it is outer and with the plug internal model It is integrally formed.

2. connection plug according to claim 1, it is characterised in that：The plug internal model offers the one of the access aperture End is equipped with the spiral net tail for being sheathed on the signal transmssion line, length direction of the spiral net tail towards the signal transmssion line Extend.

3. connection plug according to claim 2, it is characterised in that：It is accommodating that the inside of the spiral net tail is formed with cable Area, the signal transmssion line enter across the cable accommodating area and the access aperture in the assembly cavity.

4. connection plug according to claim 2, it is characterised in that：The inner wall of the spiral net tail and the signal transmission The outer wall fitting of line is fixed, and the one end of the spiral net tail far from the plug internal model is formed with cable jacket, the cable Sheath is sheathed on outside the signal transmssion line and is bonded fixation with the signal transmssion line.

5. connection plug according to claim 1, it is characterised in that：The connection needle includes plugging needle section and connection needle Section, the needle section that plugs are fixedly connected with the connection needle section, and the plug internal model is offered close to one end of the connection needle Pilot hole, the connection needle section are passed through and the pilot hole and are stretched into the assembly cavity, in the inner wall of the pilot hole is formed with The outer wall of screw thread, the connection needle section has convexed to form external screw thread, and the external screw thread is threadedly coupled with the internal thread.

6. connection plug according to claim 5, it is characterised in that：The needle section that plugs is close to the one of the connection needle section Protrusion has extended to form annular convex platform on the outer wall of end, and recess is formed with limit loop order, the convex annular on the pilot hole inner wall Platform is embedded cooperation with the limit loop order.

7. connection plug according to claim 5, it is characterised in that：The side of the connection needle section offers three-level assembly Step, the direction that each assembly step plugs needle section described in are incremented by step by step, and respective bump extends shape in the assembly cavity It corresponds with each mounting boss at having three-level mounting boss, each assembly step and is embedded cooperation.

8. connection plug according to claim 7, it is characterised in that：The connection needle section assembles the one of step away from described Side opens up that there are three for accessing the cable hole of the signal transmssion line, three cable holes and three assembly steps one One is correspondingly arranged.

9. connection plug according to claim 8, it is characterised in that：The inner wall of the assembly cavity corresponds to each cable hole Position protrusion extend to form there are three positioning pipe, each positioning pipe and each cable hole correspond and plug cooperation.

10. a kind of earphone, including headset body and the signal transmssion line that is connect with the headset body, it is characterised in that：It is described Earphone further includes 1~9 any one of them connection plug of requirement of having the right, and the connection plug connects with the signal transmssion line It connects.