CN218731841U - Single sound channel audio plug - Google Patents

Abstract

The utility model discloses a single track audio plug, which comprises an outer conductive pipe, an inner core connecting rod, an insulating part and a positioning component; the inner core connecting rod comprises a conductive shaft and a conductive snake head which are integrally formed, and the conductive shaft is inserted into the conductive outer pipe; the insulating part comprises an outer protruding part and a supporting part, the bottom of the conductive outer tube and the top of the conductive snake head are respectively abutted against the upper side and the lower side of the outer protruding part, and the supporting part is arranged in the conductive outer tube; the upper part of the conductive shaft extends into the positioning component, the conductive shaft is provided with a fastening part matched with the positioning component, and the fastening part is abutted against the positioning component and can limit the relative movement of the conductive outer tube and the conductive shaft. The utility model discloses a single track audio frequency plug, integrated into one piece's conductive shaft and electrically conductive snake head have solved the problem that current plug easily drops when using, can save the finish machining to the two connection position simultaneously, reduce because the emergence of the bad phenomenon of assembly that processing caused improves the processing yield, practices thrift the cost.

Description

Single sound channel audio plug

Technical Field

The utility model relates to an audio frequency plug field, it is very much, relate to a single sound track audio frequency plug.

Background

The monophonic audio plug is widely used in audio signal transmission equipment such as communication equipment. The prior single-channel audio plug has the following problems in practical production application: because the inner core conductive shaft and the snake head are connected in a split manner, in order to realize the tight fit connection between the conductive shaft and the snake head, the processing precision requirement on the connecting part of the conductive shaft and the snake head is extremely high, the phenomenon of incapability of assembling or infirm assembling can be caused by slight deviation, defective products are easy to cause, and labor and material are wasted; the conductive shaft and the snake head which are connected in a split mode are often broken when the snake head and the conductive shaft are plugged and pulled out for multiple times, the single-track audio plug cannot be normally used, and the service life of the single-track audio plug is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a snake head and inner core connecting rod integrated into one piece's monophonic audio frequency plug has that production yield is high, simple structure, easily production manufacturing, and the snake head can not drop when the plug uses, advantages such as long service life.

The above object of the present invention can be achieved by the following technical solutions:

a single-track audio plug comprises a conductive outer tube, an inner core connecting rod, an insulating piece and a positioning assembly;

the inner core connecting rod is an integrally formed part and comprises a conductive shaft and a conductive snake head, the conductive shaft is inserted into the conductive outer pipe, and the conductive outer pipe is not contacted with the conductive shaft;

the insulating part comprises an outer protruding part serving as an insulating ring, and the outer protruding part is used for insulating the conductive snake head from the conductive outer tube;

the positioning component is arranged at one end, far away from the conductive snake head, of the conductive outer tube, the upper portion of the conductive shaft extends into the positioning component, a fastening portion matched with the positioning component is arranged at the top of the conductive shaft, and the fastening portion abuts against the positioning component and can limit the relative movement of the conductive outer tube and the conductive shaft.

By adopting the technical scheme, the conductive snake head is integrally formed at one end of the conductive shaft, so that the phenomenon of falling of the snake head caused by split connection in the prior art can be effectively avoided; the fine machining operation on the connecting part of the conductive snake head and the conductive shaft in the prior art is reduced, the phenomenon of poor assembly of the conductive snake head and the conductive shaft is effectively avoided, the yield of production is further improved, and the cost is saved; in addition, the supporting part of the insulating part can realize the inner support of the conductive outer pipe, reduce the phenomena of concave and bending deformation of the conductive outer pipe during processing and use, and improve the strength of the product.

The present invention may be further configured in a preferred embodiment as: the fastening part is a riveting hole processed at the top end of the conductive shaft, and the hole wall of the riveting hole deforms under the action of external force and abuts against the positioning component.

The present invention may be further configured in a preferred embodiment as: the insulating part further comprises a supporting part as an inner lining of the conductive outer pipe, the supporting part and the outer protruding part are integrally formed, the supporting part is arranged in the conductive outer pipe, and the outer wall of the supporting part is attached to the inner wall of the conductive outer pipe.

The present invention in a preferred embodiment can be further configured to: the insulating part is fixed between the conductive shaft and the conductive outer tube in an injection molding mode.

Through adopting above-mentioned technical scheme, isolation structure insulating part between electrically conductive outer tube and the electrically conductive axle injects the plastic through the injection molding machine and forms, and its processing is convenient, and the fixed insulating part of integrative moulding plastics, when reaching its insulating isolation function, still can realize the fixed of electrically conductive axle and electrically conductive outer tube position.

The present invention may be further configured in a preferred embodiment as: the insulating part still includes location portion, location portion sets up the one end of keeping away from electrically conductive snake head at electrically conductive outer tube, be provided with the holding ring of contradicting with electrically conductive outer tube end wall in location portion, electrically conductive outer tube is fixed in between holding ring and the outer protruding portion.

Through adopting above-mentioned technical scheme, holding ring and outer protruding portion realize the injecing to electrically conductive outer tube axial position jointly, further improve the connection steadiness between electrically conductive outer tube and the insulating part.

The present invention in a preferred embodiment can be further configured to: the outer wall of the conductive shaft is provided with a rotation stopping part fixed with the supporting part, and the rotation stopping part is provided with a rotation stopping boss or a rotation stopping groove.

Through adopting above-mentioned technical scheme, the setting of rotation stopping portion has further improved the insulating part and has connected the steadiness with the conductive shaft, the relative rotation between the conductive shaft of restriction and the electrically conductive outer tube.

The present invention may be further configured in a preferred embodiment as: the rotation stopping part is arranged to be a groove, and the cross section of the rotation stopping part of the conductive shaft is cross-shaped.

Through adopting above-mentioned technical scheme, the simple structure of rotation stopping portion is convenient for process.

The present invention may be further configured in a preferred embodiment as: the positioning assembly comprises a fixed seat, a soldering lug, an insulating plate and a wire clamping frame;

the fixing seat is fixedly arranged at one end, far away from the conductive snake head, of the conductive outer tube, a positioning groove is formed in one end, far away from the conductive snake head, of the fixing seat, the bottom end of the wire clamping frame, the insulating plate and the soldering lug are sequentially stacked and fixed in the positioning groove, and the end part of the conductive shaft is abutted to the top wall of the soldering lug through the fastening part after sequentially penetrating through the wire clamping frame, the insulating plate and the soldering lug so as to limit the relative movement of the conductive outer tube and the conductive shaft;

the insulating plate is used for insulating the soldering lug and the wire clamping frame, the wire clamping frame is electrically communicated with the conductive outer tube and is not contacted with the conductive shaft, and the soldering lug is electrically communicated with the conductive shaft.

By adopting the technical scheme, one end of the conductive shaft is stopped at the outer end of the conductive outer pipe through the conductive snake head, and the other end of the conductive shaft abuts against and limits the top wall of the positioning component through the fastening part of the conductive shaft, so that the relative movement of the conductive outer pipe and the conductive shaft can be limited, and the structure of the conductive shaft is stable; the conductive snake head, the conductive shaft and the soldering lug form an electrical path, the conductive outer tube, the fixed seat and the wire clamping frame form the electrical path, and the two paths are separated and insulated through the insulating part and the insulating plate, so that the single-channel audio plug is switched on and has a normal function.

The present invention may be further configured in a preferred embodiment as: the wire clamping frame comprises a bottom plate, a connecting arm and a wire clamp, wherein a through hole is formed in the bottom plate, the bottom plate is sleeved outside the conductive shaft through the through hole and is not in contact with the conductive shaft, and the bottom wall of the bottom plate is abutted against the bottom wall of the positioning groove so as to be electrically communicated with the conductive outer tube;

the insulating plate is provided with a positioning tangent plane abutted against the inner side of the connecting arm and a positioning notch matched with the soldering lug;

the soldering lug comprises a first connecting piece and a second connecting piece, the first connecting piece is used for being connected with the insulating plate in a stacked mode, the second connecting piece is connected with the first connecting piece and extends towards the outside of the positioning groove, a positioning claw matched with the positioning notch is arranged on the first connecting piece, the positioning claw is abutted to the positioning notch, and the fastening portion is abutted to the top of the first connecting piece and is electrically communicated with the first connecting piece.

By adopting the technical scheme, the positioning section of the insulating plate is used for limiting the installation direction of the insulating plate, and the fool-proof design is realized; the positioning claw on the soldering lug is matched with the insulating positioning notch and used for preventing the soldering lug from upwarping when the fastening part of the conductive shaft is turned over.

The present invention may be further configured in a preferred embodiment as: the fixed seat is connected with the outer shell in a threaded manner.

To sum up, the utility model discloses a following at least one useful technological effect:

1. compared with the split type conductive snake head in the prior art, the conductive snake head and the conductive shaft are integrally formed, so that the assembly process can be omitted, the finish machining of the joint of the conductive snake head and the conductive shaft is omitted, the poor assembly caused by the machining precision or the easy falling-off phenomenon of the conductive snake head in the use state is effectively avoided, and the service life is further prolonged;

2. the outer protruding part of the insulating part in the utility model avoids the electrical communication between the conductive snake head and the conductive outer tube, and the bottom of the conductive outer tube and the top of the conductive snake head are respectively supported on the upper side and the lower side of the outer protruding part, so that the connection between the conductive outer tube and the conductive snake head is more compact;

3. the supporting part of the insulating part plays a role in insulating between the conductive shaft and the conductive outer pipe, and plays a role in supporting and reinforcing the conductive outer pipe, so that the possibility of deformation of the conductive outer pipe in the processing and using states is reduced; compared with the prior art, the wall thickness of the conductive outer tube can be greatly reduced, and the supporting part of the insulating part can be used for assisting in supporting and reinforcing, so that the material of the conductive outer tube is saved, and the cost is saved;

4. the outer wall of the conductive shaft is provided with the rotation stopping part, so that the connection strength of the insulating part and the conductive shaft can be improved, and the possibility of relative rotation of the insulating part and the conductive shaft can be further prevented;

5. the fastening part is a riveting hole processed at the top end of the conductive shaft, the hole wall of the riveting hole deforms under the action of external force and abuts against the positioning component, and the structure is stable and the process is simple.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

Fig. 4 is a schematic cross-sectional view of the fastening portion of the conductive shaft in an initial state without being punched.

Fig. 5 is a schematic view of the structure of the insulating plate of the present invention.

Fig. 6 is a schematic view of the soldering lug structure of the present invention.

Fig. 7 is a schematic view of the sectional structure of the fixing base of the present invention.

Fig. 8 is a schematic view of the overall structure of the present invention connected with the outer housing.

In the figure, 1, an electrically conductive outer tube; 2. an inner core connecting rod; 21. a conductive shaft; 211. a fastening portion; 212. a rotation stopping part; 22. a conductive snake head; 3. an insulating member; 31. an outer protrusion; 32. a support portion; 33. a positioning part; 331. a positioning ring; 4. a positioning assembly; 41. a fixed seat; 411. positioning a groove; 412. a first stepped hole; 413. a second stepped bore; 42. soldering lugs; 421. a first connecting piece; 422. a second connecting sheet; 423. a positioning claw; 43. an insulating plate; 431. positioning a tangent plane; 432. positioning the notch; 44. a wire clamping frame; 441. a base plate; 4411. a through hole; 442. a connecting arm; 443. wire clamps; 5. an outer housing.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and only illustrates the basic structure of the present invention in a schematic manner, and therefore it only shows the components related to the present invention.

Referring to fig. 1 and 2, for the utility model discloses a monophonic audio frequency plug, including electrically conductive outer tube 1, inner core connecting rod 2, insulating part 3, locating component 4. The conductive outer tube 1 is used as a grounding end of a single-track audio plug and is set as a hollow circular tube in the embodiment; the core link 2 serves as a signal terminal of a mono audio plug and has a conductive snake 22 and a conductive shaft 21.

Referring to fig. 2 and 4, the inner core link 2 is an integrally formed part, the conductive snake head 22 is integrally formed at one end of the conductive shaft 21, the conductive shaft 21 is coaxially inserted into the conductive outer tube 1, the inner diameter of the conductive outer tube 1 is larger than the outer diameter of the conductive shaft 21, and the conductive outer tube 1 is not in contact with the conductive shaft 21. Compared with the split type conductive snake head and the conductive shaft in the prior art, the conductive snake head 22 and the conductive shaft 21 which are integrally formed can effectively avoid the phenomenon that the conductive snake head 22 falls off due to multiple plugging and unplugging in a use state; meanwhile, the processing technology of the conductive snake head 22 can be simplified, the phenomenon of poor assembly between the conductive snake head and the conductive shaft 21 caused by the processing precision of the conductive snake head is reduced, and the processing cost is saved.

Referring to fig. 2 and 3, the insulating member 3 is fixed outside the conductive shaft 21. Preferably, the insulating member 3 is injection-molded and filled between the conductive shaft 21 and the conductive outer tube 1, and is used for insulation between the conductive snake 22 and the conductive outer tube 1. The insulating part 3 includes the outer protruding portion 31 as the insulating ring, the supporting part 32 as the inside lining of the conductive outer tube 1, the outer protruding portion 31 protrudes outwards along the surface of the supporting part 32, the bottom of the conductive outer tube 1 and the top of the conductive snake head 22 respectively abut against the upper and lower sides of the outer protruding portion 31, the outer diameter of the outer protruding portion 31 is not larger than that of the conductive outer tube 1, the supporting part 32 is arranged in the conductive outer tube 1, and the outer wall of the supporting part 32 is attached to the inner wall of the conductive outer tube 1. In this embodiment, the outer diameter of the outer protrusion 31, the outer diameter of the upper end of the conductive snake head 22, and the outer diameter of the conductive outer tube 1 are equal to each other, forming a cylindrical structure.

The outer protrusion 31 prevents the conductive shaft 21 from electrically connecting with the conductive outer tube 1 and the conductive snake head 22 from electrically connecting with the conductive outer tube 1, and the outer protrusion 31 also makes the connection between the conductive outer tube 1 and the conductive snake head 22 tighter. The arrangement of the supporting portion 32 further avoids the electrical communication between the conductive outer tube 1 and the conductive shaft 21, and simultaneously, the inner supporting function is performed on the conductive outer tube 1, so that the ring stiffness of the conductive outer tube is enhanced, and the phenomena of concave deformation and the like during assembly processing or use are reduced.

In order to further improve the connection stability between the conductive outer tube 1 and the insulating member 3, the insulating member 3 further includes a positioning portion 33, the positioning portion 33 is disposed at one end of the conductive outer tube 1 far away from the conductive snake head 22, a positioning ring 331 abutting against the end wall of the conductive outer tube 1 is disposed on the positioning portion 33, and the conductive outer tube 1 is fixed between the positioning ring 331 and the outer protrusion 31.

In order to improve the connection stability of the insulating member 3 and the conductive shaft 21, the outer wall of the conductive shaft 21 is provided with a rotation stopping portion 212 fixed with the supporting portion 32, and the rotation stopping portion 212 is configured as a rotation stopping boss or a rotation stopping groove. The insulating part 3 is fixed on the conductive shaft 21 by injection molding and is tightly contacted and fixed with the rotation stopping part 212, and the rotation stopping part 212 further limits the relative rotation between the insulating part 3 and the conductive shaft 21, so that the structure is stable. In this embodiment, the rotation stop portion 212 is a groove, and the cross section of the rotation stop portion 212 of the conductive shaft 21 is cross-shaped.

Referring to fig. 2, the positioning component 4 is installed at one end of the conductive outer tube 1 far from the conductive snake head 22, the upper portion of the conductive shaft 21 extends into the positioning component 4, and the conductive shaft 21 is provided with a fastening portion 211 matched with the positioning component 4, and the fastening portion 211 abuts against the positioning component 4 and can limit the relative movement of the conductive outer tube 1 and the conductive shaft 21. The fastening portion 211 is a riveting hole (see fig. 4) formed at the top end of the conductive shaft 21, and the hole wall of the riveting hole is deformed and abutted against the positioning element 4 (see fig. 2) after being subjected to an external force.

Referring to fig. 2 and 3, the positioning assembly 4 includes a fixing base 41, a soldering lug 42, an insulating plate 43, and a wire holder 44. The fixing seat 41 is set as a metal conductor, the fixing seat 41 is fixedly installed at one end of the conductive outer tube 1 far away from the conductive snake head 22, a positioning groove 411 is arranged at one end of the fixing seat 41 far away from the conductive outer tube 1, the bottom end of the wire clamping frame 44, the insulating plate 43 and the soldering lug 42 are sequentially stacked and fixed in the positioning groove 411, and the end of the conductive shaft 21 sequentially penetrates through the wire clamping frame 44, the insulating plate 43 and the soldering lug 42 and abuts against the top wall of the soldering lug 42 through the fastening part 211 to limit the relative movement of the conductive outer tube 1 and the conductive shaft 21. The insulating plate 43 is used for insulating the soldering lug 42 and the wire clamping frame 44; the bottom end of the wire clamping frame 44 is electrically communicated with the conductive outer tube 1 through a fixed seat and is not contacted with the conductive shaft 21; the soldering lug 42 is in contact with the conductive shaft 21 to achieve electrical communication, and the soldering lug 42 is not in contact with the fixing base 41.

Referring to fig. 2 and 7, the fixing seat 41 is fixed to the conductive outer tube 1 in a tight fit manner, the bottom of the fixing seat 41 is provided with an installation counter bore, the installation counter bore includes a first stepped hole 412 in a tight fit manner with the conductive outer tube 1 and a second stepped hole 413 in a tight fit manner with the positioning portion 33, and the end of the positioning portion 33 is flush with the hole end of the second stepped hole 413 penetrating out of the positioning slot 411.

Referring to fig. 2 and 3, the wire holder 44 includes a base plate 441, a connecting arm 442, and a wire clamp 443. The bottom plate 441 is provided with a through hole 4411, the bottom plate 441 is sleeved outside the conductive shaft 21 through the through hole 4411 and does not contact with the conductive shaft 21, and the bottom wall of the bottom plate 441 abuts against the bottom wall of the positioning slot 411 to electrically communicate with the conductive outer tube 1.

Referring to fig. 5, the insulating plate 43 is provided with a positioning cut 431 abutting against the inner side of the connecting arm 442 and a positioning notch 432 for fitting with the tab 42.

Referring to fig. 3 and 6, the soldering terminal 42 includes a first connecting plate 421 for stacking connection with the insulating plate 43, and a second connecting plate 422 connected to the first connecting plate 421 and extending toward the outside of the positioning slot 411, the first connecting plate 421 is provided with a positioning claw 423 engaged with the positioning notch 432, the positioning claw 423 abuts against the positioning notch 432 and can limit the installation direction of the first connecting plate 421, and the fastening portion 211 abuts against the top of the first connecting plate 421 and is electrically connected thereto.

Referring to fig. 8, in order to facilitate the connection of the housing, the fixing base 41 is provided as a screw body, and the housing 5 is screwed on the fixing base 41.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims (10)

1. A mono audio jack, comprising: comprises a conductive outer tube (1), an inner core connecting rod (2), an insulating part (3) and a positioning component (4);

the inner core connecting rod (2) is an integrally formed part, the inner core connecting rod (2) comprises a conductive shaft (21) and a conductive snake head (22), the conductive shaft (21) is inserted into the conductive outer pipe (1), and the conductive outer pipe (1) is not contacted with the conductive shaft (21);

the insulating piece (3) comprises an outer protruding part (31) serving as an insulating ring, and the outer protruding part (31) is used for insulating the conductive snake head (22) from the conductive outer tube (1);

the positioning component (4) is installed at one end, far away from the conductive snake head (22), of the conductive outer tube (1), the upper portion of the conductive shaft (21) extends into the positioning component (4), the top of the conductive shaft (21) is provided with a fastening portion (211) matched with the positioning component (4), and the fastening portion (211) abuts against the positioning component (4) and can limit relative movement of the conductive outer tube (1) and the conductive shaft (21).

2. The mono audio jack of claim 1, wherein: the fastening part (211) is a riveting hole processed at the top end of the conductive shaft (21), and the hole wall of the riveting hole deforms under the action of external force and abuts against the positioning component (4).

3. The mono audio jack of claim 1, wherein: insulating part (3) still include supporting part (32) as electrically conductive outer tube (1) inside lining, and supporting part (32) and outer protruding portion (31) integrated into one piece set up, supporting part (32) set up in electrically conductive outer tube (1), and supporting part (32) outer wall and the laminating of electrically conductive outer tube (1) inner wall.

4. The mono audio jack of claim 3, wherein: the insulating part (3) is fixed between the conductive shaft (21) and the conductive outer tube (1) in an injection molding mode.

5. The mono audio jack of claim 4, wherein: insulating part (3) still include location portion (33), location portion (33) set up the one end of keeping away from electrically conductive snake head (22) in electrically conductive outer tube (1), be provided with holding ring (331) of contradicting with electrically conductive outer tube (1) end wall on location portion (33), electrically conductive outer tube (1) is fixed in between holding ring (331) and outer bulge (31).

6. The mono audio jack of any of claims 3 to 5, wherein: the outer wall of the conductive shaft (21) is provided with a rotation stopping part (212) fixed with the supporting part (32), and the rotation stopping part (212) is arranged to be a rotation stopping boss or a rotation stopping groove.

7. The mono audio jack of claim 6, wherein: the rotation stopping part (212) is arranged to be a groove, and the cross section of the rotation stopping part (212) of the conductive shaft (21) is cross-shaped.

8. The mono audio jack of claim 1, wherein: the positioning assembly (4) comprises a fixed seat (41), a soldering lug (42), an insulating plate (43) and a wire clamping frame (44);

the fixing seat (41) is fixedly installed at one end, far away from the conductive snake head (22), of the conductive outer tube (1), a positioning groove (411) is formed in one end, far away from the conductive outer tube (1), of the fixing seat (41), the bottom end of the wire clamping frame (44), the insulating plate (43) and the soldering lug (42) are sequentially stacked and fixed in the positioning groove (411), and the end portion of the conductive shaft (21) sequentially penetrates through the wire clamping frame (44), the insulating plate (43) and the soldering lug (42) and abuts against the top wall of the soldering lug (42) through the fastening portion (211) to limit the relative movement of the conductive outer tube (1) and the conductive shaft (21);

the insulating plate (43) is used for insulating the soldering lug (42) and the wire clamping frame (44), the wire clamping frame (44) is electrically communicated with the conductive outer tube (1) and is not in contact with the conductive shaft (21), and the soldering lug (42) is electrically communicated with the conductive shaft (21).

9. The mono audio jack of claim 8, wherein: the wire clamping frame (44) comprises a bottom plate (441), a connecting arm (442) and a wire clamp (443), wherein a through hole (4411) is formed in the bottom plate (441), the bottom plate (441) is sleeved outside the conductive shaft (21) through the through hole (4411) and is not contacted with the conductive shaft (21), and the bottom wall of the bottom plate (441) is abutted to the bottom wall of the positioning groove (411) so as to be electrically communicated with the conductive outer tube (1);

the insulating plate (43) is provided with a positioning tangent plane (431) abutted against the inner side of the connecting arm (442) and a positioning notch (432) matched with the soldering lug (42);

the soldering lug (42) comprises a first connecting piece (421) used for being connected with the insulating plate (43) in a stacking mode and a second connecting piece (422) connected with the first connecting piece (421) and extending towards the outside of the positioning groove (411), a positioning claw (423) matched with the positioning notch (432) is arranged on the first connecting piece (421), the positioning claw (423) abuts against the positioning notch (432), and the fastening portion (211) abuts against the top of the first connecting piece (421) and is electrically communicated with the first connecting piece.

10. The mono audio jack of claim 8, wherein: the fixed seat (41) is connected with an outer shell (5) in a threaded manner.

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