CN111029868A

CN111029868A - Audio adapter connector assembly

Info

Publication number: CN111029868A
Application number: CN201911288914.1A
Authority: CN
Inventors: 周朝旭; 杨红; 郝精一; 李红星; 江浪
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-17
Anticipated expiration: 2039-12-13
Also published as: CN111029868B

Abstract

An audio adapter connector assembly relates to the technical field of connection of earphone equipment of a flying carrier, and comprises an audio plug, an audio adapter socket and a threaded plug, wherein the audio adapter socket comprises an adapter shell, a printed board, a threaded socket and an insulating plug bush; a mounting hole is formed in one side wall of the switching shell, the insulating plug bush is mounted in an inner cavity at one end of the switching shell, a plurality of contact elastic sheets are arranged on the inner wall of the insulating plug bush, the tail end of the threaded socket is inserted into an inner cavity at the other end of the switching shell, and the tail end of the threaded socket is fixedly connected with the other side wall of the switching shell; one end of the printed board is in signal connection with the contact elastic sheet, and the other end of the printed board is in signal connection with the threaded socket through the tail end of a contact pin of the welded threaded socket; the inner cavity of the adapter shell is filled with sealant, and the outer wall of the end part of the adapter shell corresponding to the jack is fixedly provided with a connecting flange; the connector assembly is convenient to maintain and replace, the plugging service life of the earphone is prolonged, the structure is compact, the connection is stable, and certain shock resistance and impact resistance are realized.

Description

Audio adapter connector assembly

Technical Field

The invention relates to the technical field of connection of earphone equipment of a flight carrier, in particular to an audio adapter connector assembly.

Background

At present, in a flight carrier, like a connection mode between an earphone and communication equipment on an airplane, the connection mode is similar to that of the earphone seen in daily life of people, an AUX interface connector or a low-frequency electric connector is adopted for transmission, tail ends of the two connectors are connected with other parts of the communication equipment through welding wires and are arranged in a shell of the communication equipment as one part of the communication equipment, and only jacks are exposed for inserting audio plugs of the earphone; because the plug life of earphone is limited, for the flight carrier, in case the jack of connector socket damages, demolish the connector and maintain very trouble that just becomes, in order to realize that the plug is convenient, improve the plug life-span, the requirement of the maintenance of being convenient for simultaneously changing, just need a new earphone connector subassembly that can be applicable to the flight carrier.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses an audio adapter connector assembly which is convenient to maintain and replace, improves the plugging and pulling life of an earphone, and has compact structure, stable connection and certain shock resistance.

In order to achieve the purpose, the invention adopts the following technical scheme:

an audio adapter connector assembly comprises an audio plug, an audio adapter socket and a self-locking anti-loosening threaded plug, wherein the audio adapter socket comprises an adapter shell, a printed board, a threaded socket and an insulating plug bush, the threaded socket is plugged and matched with the threaded plug, one end of the insulating plug bush is closed, and the other end of the insulating plug bush is provided with a jack and is plugged and matched with the audio plug; the audio plug is characterized in that a mounting hole is formed in one side wall of the adapter shell, an insulating plug bush with outward jacks is mounted in an inner cavity at one end of the adapter shell, a plurality of contact elastic sheets are arranged on the inner wall of the insulating plug bush corresponding to the audio plug, the tail end of the threaded socket is inserted into the inner cavity at the other end of the adapter shell, and the tail end of the threaded socket is fixedly connected with the other side wall of the adapter shell corresponding to the mounting hole through a screw; the printed board is arranged in the switching shell, one end of the printed board is in signal connection with the contact elastic sheet through a welding connection guide piece, and the other end of the printed board is in signal connection with the threaded socket through the tail end of a contact pin of the welding threaded socket; the adapter shell is filled with sealant in a pouring mode, and a connecting flange is fixedly arranged on the outer wall of the end portion, corresponding to the jack, of the adapter shell.

Furthermore, the threaded plug comprises a plug shell and a connecting nut which is sleeved outside the plug shell and can rotate relative to the plug shell, an annular boss used for preventing the connecting nut from being separated from the head end of the plug shell is arranged in the middle of the inner surface of the connecting nut, and a self-locking mechanism is arranged between the connecting nut and the plug shell; the self-locking mechanism comprises a corrugated spring, a first anti-loosening ratchet, a second anti-loosening ratchet and a clamp spring, wherein the corrugated spring, the first anti-loosening ratchet, the second anti-loosening ratchet and the clamp spring are sequentially sleeved outside the plug shell from the annular boss to the tail end of the connecting nut, the first anti-loosening ratchet is correspondingly meshed with the ratchet at the corresponding end of the second anti-loosening ratchet, the first anti-loosening ratchet is radially positioned with the connecting nut, the second anti-loosening ratchet is radially positioned with the plug shell, and the clamp spring is used for sealing the tail end of the connecting nut.

Furthermore, a plurality of connecting through holes are symmetrically formed in the outer edge of the connecting flange, and a central through hole used for exposing the jack is formed in the center of the connecting flange.

Furthermore, the connecting flange is a square flange, and the outer edges of two flange surfaces of the square flange are provided with round corners.

Furthermore, the connecting guide piece and the contact spring piece are of an integrated structure.

Furthermore, the adapter housing is made of metal material for preventing electromagnetic interference.

Furthermore, seven contact spring pieces and seven contact pins are correspondingly arranged.

Furthermore, the inserting structure of the insulating inserting sleeve and the audio plug is an AUX direct inserting and pulling structure.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

according to the audio adapter connector assembly disclosed by the invention, the insulating plug bush is arranged at one end of the audio adapter socket and is correspondingly plugged with the audio plug, so that the simplicity in operation and the long plugging service life are ensured, and the threaded socket is arranged at the other end of the audio adapter socket and is correspondingly plugged with the threaded plug, so that the reliability of the whole connector assembly is ensured; after the threaded plug in signal connection with the communication equipment is inserted into the threaded socket, the whole audio adapter socket can be inserted into the slot correspondingly arranged on the shell of the communication equipment, the audio adapter socket is stably connected with the communication equipment through the connecting flange, only the jack oppositely inserted with the audio plug is exposed, the audio plug and the audio adapter socket are required to be replaced after being worn and invalid due to high plugging and unplugging times, the audio adapter socket is only required to be detached for replacement during maintenance, and the operation is convenient; the conversion between the plug interface and the circular threaded interface is realized inside the audio adapter socket through a printed board, so that the use of the internal circuit of the audio adapter socket is reduced; in summary, compared with the traditional earphone plugging structure of the flight carrier, the earphone plugging structure of the flight carrier has the advantages of compact structure, stable connection, convenience in disassembly and replacement, cost reduction, higher vibration resistance and impact resistance, and improvement on the safety and reliability of an audio interface.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the audio patch jack;

FIG. 3 is a schematic bottom view of FIG. 2;

FIG. 4 is a semi-sectional schematic view of the threaded plug;

fig. 5 is a schematic structural view of the first anti-loose ratchet.

In the figure: 1. an audio plug; 2. an audio adapter jack; 21. a connecting flange; 22. an insulating plug bush; 2201. a jack; 23. a transition housing; 2301. mounting holes; 24. a contact spring; 25. printing a board; 26. a threaded socket; 2601. inserting a pin; 27. a screw; 3. a threaded plug; 31. a plug housing; 32. a connecting nut; 33. an annular boss; 34. a wave spring; 35. a first anti-loose ratchet; 36. a second anti-loose ratchet; 37. and a clamp spring.

Detailed Description

The present invention will be explained in detail by the following examples, which are intended to disclose the invention and protect all technical improvements within the scope of the invention, and the invention is not limited to the following examples; in the description of the present invention, it should be understood that, if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., which corresponds to the drawings of the present application, the present invention is described for convenience, but does not indicate or imply that the indicated device or element must have a particular orientation:

the audio adapter connector assembly described with reference to fig. 1 to 5 includes an audio plug 1, an audio adapter socket 2, and a self-locking anti-loosening threaded plug 3, so as to ensure reliable connection between the threaded plug 3 and the threaded socket 26 and prevent loosening; the audio adapter socket 2 comprises an adapter housing 23, a printed board 25, a threaded socket 26 and an insulating plug bush 22, and in addition, the adapter housing 23 is made of an electromagnetic interference resistant metal material, so that the whole connector assembly has certain anti-interference performance; the threaded socket 26 is matched with the threaded plug 3 in an inserted manner, one end of the insulating plug bush 22 is closed, and the other end of the insulating plug bush is provided with a jack 2201 which is matched with the audio plug 1 in an inserted manner; according to the requirement, the plug structure of the insulating plug bush 22 and the audio plug 1 is an AUX direct plug structure, so that the operation is simple and the plug service life is long; in addition, the screw plug 3 comprises a plug shell 31 and a connecting nut 32 which is sleeved outside the plug shell 31 and can rotate relative to the plug shell 31, an annular boss 33 for preventing the connecting nut 32 from being separated from the head end of the plug shell 31 is arranged in the middle of the inner surface of the connecting nut 32, and a self-locking mechanism is arranged between the connecting nut 32 and the plug shell 31;

the self-locking mechanism comprises a corrugated spring 34, a first anti-loose ratchet 35, a second anti-loose ratchet 36 and a clamp spring 37, wherein the corrugated spring 34, the first anti-loose ratchet 35, the second anti-loose ratchet 36 and the clamp spring 37 are sequentially sleeved outside the plug shell 31 from the annular boss 33 to the tail end of the connecting nut 32, the slow slopes and the steep slopes of the ratchets of the first anti-loose ratchet 35 and the second anti-loose ratchet 36 are distributed at intervals, the ratchets at the corresponding ends of the first anti-loose ratchet 35 and the second anti-loose ratchet 36 are correspondingly meshed, the first anti-loose ratchet 35 and the connecting nut 33 are radially positioned, namely the first anti-loose ratchet 35 can rotate along with the connecting nut 33, the second anti-loose ratchet 36 and the plug shell 31 are radially positioned, namely the second anti-loose; the self-locking mechanism is realized by adopting steep slopes and gentle slopes of ratchets, when the connecting screw cap 32 is rotated clockwise to connect the threaded plug 3 with the threaded socket 26, the gentle slopes of the first anti-loosening ratchet 35 and the second anti-loosening ratchet 36 relatively move, the connecting torque is small, and when the connecting screw cap 32 is rotated anticlockwise to separate, the steep slopes of the first anti-loosening ratchet 35 and the second anti-loosening ratchet 36 relatively move, the connecting torque is large, so that the function of preventing loosening of threads is achieved; the self-locking mechanism is simple in structure and reasonable in design, the first locking ratchet 35 and the second locking ratchet 36 are both made of metal parts, the service life of the locking ratchets can be prolonged, and meanwhile, the radial size of the locking ratchets is reduced, so that the overall size of a product can be reduced to 16.5 mm;

a mounting hole 2301 is formed in one side wall of the adapter housing 23, the insulating plug bush 22 with the insertion hole 2201 facing outwards is mounted in an inner cavity at one end of the adapter housing 23, so that the outer wall of the insulating plug bush 22 is attached to the inner wall of the adapter housing 23, the mounting is stable, a plurality of contact spring pieces 24 are arranged on the inner wall of the insulating plug bush 22 corresponding to the audio plug 1, and seven contact spring pieces 24 and the contact pin 2601 are correspondingly arranged to meet the communication requirement of a flight carrier; the tail end of the threaded socket 26 is inserted into the inner cavity at the other end of the adapter housing 23, and the tail end of the threaded socket 26 is fixedly connected with the other side wall of the adapter housing 23 corresponding to the mounting hole 2301 through a screw 27, so that the connection is ensured to be stable; the printed board 25 is arranged in the adapter shell 23, the printed board 25 is also installed through the installation hole 2301, one end of the printed board 25 is in signal connection with the contact elastic sheet 24 through a welding connection guide piece, the other end of the printed board 25 is in signal connection with the threaded socket 26 through the tail end of a contact pin 2601 of the welding threaded socket 26, and the inside of the audio adapter socket 2 realizes the conversion between a plug interface and a circular threaded interface through the printed board 25, so that the use of circuits inside the audio adapter socket 2 is reduced, the compact structure is ensured, and the audio adapter socket has vibration resistance and impact resistance; according to the requirement, the connecting guide piece and the contact elastic sheet 24 are of an integrated structure, so that the stability of the structure is enhanced;

the mounting hole 2301 of the adapter housing 23 can be closed by a baffle, but the inside of the adapter housing 23 is fixed and sealed by filling a sealant, such as epoxy glue, so that the sealing performance and stability of the whole structure can be further ensured; the outer wall of the end part of the adapter shell 23 corresponding to the jack 2201 is fixedly provided with a connecting flange 21, after a threaded plug 3 connected with a communication equipment signal is inserted into a threaded socket 26, the whole audio adapter socket 2 can be inserted into a slot correspondingly arranged in a communication equipment shell, the audio adapter socket 2 is stably connected with the communication equipment through the connecting flange 21, only the jack 2201 oppositely inserted with the audio plug 1 is exposed, and the audio plug 1 and the audio adapter socket 2 are high in plugging frequency and need to be replaced after being worn out, and only the audio adapter socket 2 needs to be detached for replacement during maintenance, so that the operation is convenient; according to the requirement, a plurality of connecting through holes are symmetrically formed in the outer edge of the connecting flange 21, and a central through hole for exposing the inserting hole 2201 is formed in the center of the connecting flange 21, so that the connection stability is guaranteed; in addition, flange 21 is square flange, and two flange face outer edges of square flange all are equipped with the fillet, are convenient for communicate flange 21 together adaptation and insert in communication equipment's step slot for flange 21's outer flange face and communication equipment's surface parallel and level, it is more pleasing to the eye.

The present invention is not described in detail in the prior art.

Claims

1. An audio switch connector assembly, comprising: the audio adapter comprises an audio plug (1), an audio adapter socket (2) and a self-locking anti-loosening threaded plug (3), wherein the audio adapter socket (2) comprises an adapter shell (23), a printed board (25), a threaded socket (26) and an insulating plug bush (22), the threaded socket (26) is plugged and matched with the threaded plug (3), one end of the insulating plug bush (22) is closed, and the other end of the insulating plug bush (22) is provided with a jack (2201) and is plugged and matched with the audio plug (1); a mounting hole (2301) is formed in one side wall of the adapter housing (23), an insulation plug bush (22) with an outward insertion hole (2201) is mounted in an inner cavity at one end of the adapter housing (23), a plurality of contact elastic sheets (24) are arranged on the inner wall of the insulation plug bush (22) corresponding to the audio plug (1), the tail end of the threaded socket (26) is inserted into the inner cavity at the other end of the adapter housing (23), and the tail end of the threaded socket (26) is fixedly connected with the other side wall of the adapter housing (23) corresponding to the mounting hole (2301) through a screw (27); the printed board (25) is arranged in the switching shell (23), one end of the printed board (25) is in signal connection with the contact spring piece (24) through a welding connection guide piece, and the other end of the printed board (25) is in signal connection with the threaded socket (26) through the tail end of a contact pin (2601) of the welding threaded socket (26); the adapter shell (23) is filled with sealant in a pouring manner, and a connecting flange (21) is fixedly arranged on the outer wall of the end part of the adapter shell (23) corresponding to the insertion hole (2201).

2. The audio adapter connector assembly of claim 1, wherein: the threaded plug (3) comprises a plug shell (31) and a connecting nut (32) which is sleeved outside the plug shell (31) and can rotate relative to the plug shell (31), an annular boss (33) used for preventing the connecting nut (32) from being separated from the head end of the plug shell (31) is arranged in the middle of the inner surface of the connecting nut (32), and a self-locking mechanism is arranged between the connecting nut (32) and the plug shell (31); the self-locking mechanism comprises a corrugated spring (34), a first anti-loose ratchet (35), a second anti-loose ratchet (36) and a clamp spring (37), wherein the corrugated spring, the first anti-loose ratchet (35), the second anti-loose ratchet (36) and the clamp spring (37) are sequentially sleeved on the tail end of the connecting nut (32) from the annular boss (33) outside the plug shell (31), the ratchets at the corresponding ends of the first anti-loose ratchet (35) and the second anti-loose ratchet (36) are correspondingly meshed, the first anti-loose ratchet (35) and the connecting nut (33) are radially positioned, the second anti-loose ratchet (36) and the plug shell (31) are radially positioned, and the clamp spring (37) is used for sealing.

3. The audio adapter connector assembly of claim 1, wherein: the outer edge of the connecting flange (21) is symmetrically provided with a plurality of connecting through holes, and the center of the connecting flange (21) is provided with a central through hole for exposing the insertion hole (2201).

4. An audio adapter connector assembly according to claim 3, wherein: the connecting flange (21) is a square flange, and the outer edges of two flange surfaces of the square flange are provided with round corners.

5. The audio adapter connector assembly of claim 1, wherein: the connecting guide piece and the contact elastic piece (24) are of an integral structure.

6. The audio adapter connector assembly of claim 1, wherein: the adapter housing (23) is made of metal materials capable of preventing electromagnetic interference.

7. The audio adapter connector assembly of claim 1, wherein: seven contact spring pieces (24) and seven contact pins (2601) are correspondingly arranged.

8. The audio adapter connector assembly of claim 1, wherein: the plug-in structure of the insulating plug bush (22) and the audio plug (1) is an AUX direct plug-in structure.