CN115954717A - Audio analog signal plug assembly - Google Patents
Audio analog signal plug assembly Download PDFInfo
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- CN115954717A CN115954717A CN202310098463.5A CN202310098463A CN115954717A CN 115954717 A CN115954717 A CN 115954717A CN 202310098463 A CN202310098463 A CN 202310098463A CN 115954717 A CN115954717 A CN 115954717A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention provides an audio analog signal plug assembly which comprises a male plug and a female plug, wherein a socket is arranged at the end part of the male plug, a first electric connection part is arranged in the socket, and a first connection part used for being connected with a lead is arranged at the tail part of the first electric connection part; the end part of the female plug is provided with an inserting part which can be inserted into the socket, a second electric connection part which is used for contacting with the first electric connection part and realizing electric connection is arranged in the inserting part, and the tail part of the second electric connection part is provided with a second connection part which is used for being connected with a lead; and a radial positioning assembly for radial positioning is arranged between the socket and the insertion part. The audio analog signal plug assembly has the advantages of compact structure, stable plug-in connection, good use reliability and wide application range, and can ensure high-quality signal transmission.
Description
Technical Field
The invention relates to a motor, in particular to an audio analog signal plug assembly.
Background
Microphones are energy conversion devices that convert sound signals into electrical signals, and include moving coil, condenser, electret, and recently emerging silicon micro microphones, as well as liquid microphones and laser microphones. Most microphones are electret condenser microphones which operate on the principle of using a diaphragm of polymeric material with permanent charge isolation.
In the prior art, wireless microphones and wired microphones are provided, the wireless microphones are connected in a wireless manner, the use is convenient, the problem of cable winding is avoided, but the wireless microphones are interfered by signals, blocked by objects and the like in the wireless transmission process, the transmission stability is influenced, and the tone quality is also influenced; therefore, in the scene that the tone quality required is higher, for example place such as recording studio, generally can use wired connection to ensure transmission stability and high tone quality requirement, current microphone plug receives the structure influence, and the grafting is inconvenient, has virtual connecing, decay problem, can't satisfy the user demand of high stability and high-fidelity.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an audio analog signal plug assembly which is easy to plug, good in connection effect, stable and reliable in signal transmission and small in attenuation.
Technical scheme for solving problems
The invention provides an audio frequency analog signal plug assembly, which comprises:
the plug comprises a male plug 1, wherein a socket is arranged at the end part of the male plug 1, a first electric connection part 14 is arranged in the socket, and a first connection part used for being connected with a lead is arranged at the tail part of the first electric connection part;
the end part of the female plug 2 is provided with a plug-in part which can be inserted into the socket, the plug-in part is internally provided with a second electric connection part 24 which is used for contacting with the first electric connection part and realizing electric connection, and the tail part of the second electric connection part is provided with a second connection part which is used for being connected with a lead;
and a radial positioning assembly for radial positioning is arranged between the socket and the insertion part.
Further, the first electrical connection portion 14 is a metal insertion rod, and the second electrical connection portion 24 is a metal insertion hole into which the metal insertion rod can be inserted.
Further, the inner wall of socket has seted up the spacing recess 161 of bar, the axis of spacing recess 161 is on a parallel with the axis of socket, the lateral wall of grafting portion is seted up and is gone into can be gone into spacing recess 161's elasticity card ball 27, and works as elasticity card ball 27 card is gone into when in the spacing recess, first electric connection portion with second electric connection portion is coaxial.
Further, the inner wall of the socket and/or the outer wall of the inserting part are/is provided with rubber layers for increasing damping and improving sealing performance.
Furthermore, a hoop is arranged in the male plug and/or the female plug, a clamping portion capable of allowing a cable to penetrate through and clamp the cable is arranged on the hoop, a tailstock is connected to the end portion of the male plug and/or the female plug through threads, the inner wall of the tailstock is in contact with the outer wall of the hoop through an inclined surface, and the clamping portion can compress the cable.
Furthermore, the lateral wall circumference equipartition of staple bolt has two at least spacing lugs, public inserting or female inserting are equipped with the appearance spacing spout that spacing lug card is gone into and is realized the axial and slide, the inner wall of tailstock be equipped with be used for with the tip contact of spacing lug promotes staple bolt gliding bearing inwards.
Further, the male plug 1 or the female plug 2 comprises a shell, a hoop, a tailstock, a mounting seat and a connector which are coaxially arranged, a mounting cavity is formed in the shell, the hoop is axially and slidably arranged at the tail of the mounting cavity, cable holes for cables to pass through penetrate through two ends of the hoop, and at least two clamping parts are uniformly distributed at the end part of the hoop in the circumferential direction; the tailstock is in threaded connection with the tail of the shell, and the inner wall of the tailstock is provided with a squeezing surface which is used for being in contact with the outer wall of the clamping part and enabling the clamping part to generate elastic deformation; the connector is fixed the head of installation cavity, the mount pad is fixed in the connector, three mounting hole has been seted up on the mount pad, the mounting hole internal fixation has the metal body of rod, the tip of the metal body of rod extends to the mount pad terminal surface with in the socket that forms between the connector inner wall and form first electricity connecting portion, or the hole body and formation have been seted up to the tip of metal inserted bar the second electricity connecting portion.
Further, the housing and/or the connector are made of a conductive metal, and the mounting seat is made of an insulator material.
Furthermore, the metal rod body comprises a first rod body, a second rod body and a third rod body which are coaxially arranged and have successively reduced diameters, a concave hole is formed in the end portion of the first rod body to form a wiring hole, a screw hole used for installing a locking screw is formed in the side wall of the wiring hole, a step surface is arranged between the first rod body and the second rod body, strip-shaped sawteeth are uniformly distributed in the circumferential direction of the side wall of the second rod body, and when the metal rod body is used as the first electric connection portion, the end portion of the third rod body is an arc-shaped surface; when the clamping structure is used as the second electric connection part, the end part of the third rod body is provided with a jack into which the first electric connection part is inserted, and the side wall of the jack is provided with a strip-shaped hole which can enable the jack to generate elastic deformation so as to clamp the first electric connection part.
Furthermore, the mounting seat is cylindrical and is sleeved in the cylindrical connector, the connector is in threaded connection with the shell, and a step surface for axially limiting the mounting seat is arranged in the connector; first locating hole has been seted up to the lateral wall of mount pad, the axis of first locating hole perpendicular and intersect in the axis of mount pad, the lateral wall of connector seted up with first locating hole is coaxial and be used for right the mount pad carries out the second locating hole of radial positioning, the second locating hole is seted up on the screw thread body of connector, first locating hole with install positioning bolt between the second locating hole.
Advantageous effects
The audio analog signal plug assembly adopts a split type assembly structure, can be quickly assembled, is convenient to assemble and disassemble, is simple to operate and has wide application range; the elastic ball structure is arranged, so that radial quick positioning can be realized, the pulling and inserting are convenient, certain damping is realized, and the pulling and inserting experience is good; the built-in hoop structure has a compact structure, can realize automatic clamping of the cable during assembly, avoids the cable from being pulled to be separated, and improves the integral use reliability and stability; the rubber layer is arranged on the tailstock, so that the waterproof function is realized, and the use safety is high; the metal ring is arranged outside the tailstock, so that the tightness can be adjusted according to requirements, the tailstock can adapt to cables with different diameters, and the application range is wide; the metal shell structure has high structural strength and long service life, and simultaneously has the antimagnetic function, reduces external interference and attenuation, and realizes high fidelity; the rubber layer is arranged in the socket, so that the gap between the socket and the inserting part can be compensated, the phenomenon that the socket shakes due to the influence of the gap to cause poor contact is avoided, meanwhile, the damping can be increased, the reliability and the stability of inserting are improved, the socket is prevented from being loosened due to pulling force, meanwhile, the sealing performance is improved, and the waterproof function is achieved; the structure of the metal rod body is optimized, the wiring and the assembly are convenient, the structural strength is high, the electric conductivity is high, the attenuation is small by matching with the metal shell, and the high fidelity is realized; the audio analog signal plug assembly has the advantages of compact structure, stable plug-in connection, good use reliability and wide application range, and can ensure high-quality signal transmission.
Drawings
FIG. 1 is a schematic diagram of an audio analog signal plug assembly according to the present invention;
FIG. 2 is an exploded view of the audio analog signal plug assembly of the present invention;
FIG. 3 is an exploded view of the male plug of the audio analog signal plug assembly of the present invention;
FIG. 4 is a schematic view of a male plug of the audio analog signal plug assembly of the present invention;
FIG. 5 is a cross-sectional view of a male plug of the audio analog signal plug assembly of the present invention;
FIG. 6 is a front view of a male plug of the audio analog signal plug assembly of the present invention;
FIG. 7 is a schematic view of the male tail base of the audio analog signal plug assembly of the present invention;
FIG. 8 is a schematic structural view of a hoop for a male plug of the audio analog signal plug assembly according to the present invention;
FIG. 9 is a schematic structural view of a male housing of the audio analog signal plug assembly of the present invention;
FIG. 10 is a schematic view of a first electrical connection portion of the audio analog signal plug assembly of the present invention;
FIG. 11 is a schematic view of a male receptacle of the audio analog signal plug assembly of the present invention;
FIG. 12 is a schematic view of a male plug of the audio analog signal plug assembly of the present invention;
FIG. 13 is an exploded view of the female plug of the audio analog signal plug assembly of the present invention;
FIG. 14 is a schematic structural diagram of a female plug of the audio analog signal plug assembly of the present invention;
FIG. 15 is a cross-sectional view of a female plug of the audio analog signal plug assembly of the present invention;
FIG. 16 is a schematic view of a female plug tail block of the audio analog signal plug assembly according to the present invention;
FIG. 17 is a schematic structural view of a hoop for a female plug of the audio analog signal plug assembly according to the present invention;
FIG. 18 is a schematic structural view of a female housing of the audio analog signal plug assembly of the present invention;
FIG. 19 is a schematic view of a second electrical connection portion of the audio analog signal plug assembly of the present invention;
FIG. 20 is a schematic view of a female receptacle of the audio analog signal plug assembly of the present invention;
fig. 21 is a schematic structural diagram of a female plug connector of the audio analog signal plug assembly according to the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Referring to fig. 1 to 21, the present invention provides an audio analog signal plug assembly, which includes a male plug (male plug) 1 and a female plug (female plug) 2; a socket is arranged at the end part of the male plug 1, three first electric connection parts 14 are arranged in the socket, the first electric connection parts 14 are metal insertion rods, and the tail part of each first electric connection part is provided with a first connection part for being connected with a lead; the end part of the female plug 2 is provided with an inserting part which can be inserted into the jack, meanwhile, a second electric connecting part 24 is arranged in the inserting part, the second electric connecting part 24 is used for being contacted with the first electric connecting part and realizing electric connection, the second electric connecting part 24 is a metal jack and can accommodate a metal inserted rod to be inserted and realize electric connection, and the tail part of the second electric connecting part is provided with a second connecting part which is used for being connected with a lead; in this embodiment, a radial positioning assembly is provided between the socket and the insertion portion, and the radial positioning assembly is used for quick radial positioning between the male plug and the female plug.
It is specific, the spacing recess 161 of bar is seted up at the inner wall of socket, the cross section of this spacing recess is the arc, and its axis is on a parallel with the axis of socket, and simultaneously, elasticity card ball 27 has been seted up at the lateral wall of grafting portion, be equipped with a shrinkage pool in grafting portion, be equipped with spring and steel ball in the shrinkage pool, the whole elasticity card ball that forms, elasticity card ball 27 can block into spacing recess 161, it can produce certain damping, and simultaneously, can realize radial positioning, when elasticity card ball 27 blocks into in the spacing recess, first electric connection portion is coaxial with second electric connection portion, can make each metal inserted bar correspond and insert in each metal jack, and then realize the electricity and connect.
In order to improve connection reliability and stability, the rubber layer is arranged on the inner wall of the socket or the outer wall of the inserting part, the rubber layer can compensate the gap between the socket and the inserting part, the phenomenon that the rubber layer shakes due to the influence of the gap is avoided, poor contact is further caused, damping can be increased, the reliability and the stability of inserting are improved, the rubber layer is prevented from being loosened due to tension, meanwhile, the sealing performance is improved, and the waterproof function is achieved.
The cable clamping device comprises a male plug and a female plug, wherein a hoop is arranged in the male plug and the female plug, a plurality of clamping parts are arranged on the hoop, meanwhile, the end parts of the male plug and the female plug are connected with a tailstock through threads, the inner wall of the tailstock is in inclined plane contact with the outer wall of the hoop, the inclination angle of the inclined plane of the inner wall of the tailstock is different from that of the inclined plane on the hoop, the tailstock enables the clamping parts to compress cables, and specifically, a limiting lug is arranged on the side wall of the hoop and is at least two and circumferentially and uniformly distributed, the limiting lug is of a strip-shaped structure, the length direction is parallel to the axis direction of the hoop, meanwhile, a limiting sliding groove is arranged in the male plug and the female plug and can be clamped into the limiting lug, axial sliding connection of the hoop is achieved, a supporting part is arranged on the inner wall of the tailstock and is in contact with the end part of the limiting lug, the hoop is pushed to slide inwards, in-place assembly is guaranteed, clamping of the hoop to the cables is guaranteed, and the situation that the hoop is separated from an electric connection part due to cable tension is avoided.
The structure of the male plug and the female plug is described in detail below with reference to the accompanying drawings:
referring to fig. 3-12, the male plug 1 includes a male plug housing 13, a first anchor ear 12, a first tail seat 11, a first mounting seat 15, and a first connector 16, which are coaxially disposed; referring to fig. 9, the male plug housing 13 includes a cylindrical male plug housing body 131, a first mounting cavity is formed inside the male plug housing body 131, a first annular protrusion 133 is disposed in the first mounting cavity, the first annular protrusion 133 partitions the first mounting cavity into a front cavity and a rear cavity, the ratio of the axial lengths of the front cavity and the rear cavity is 1-1.3, a second annular protrusion 132 is disposed in the rear cavity, the second annular protrusion is connected to an end of the first annular protrusion, and an inner diameter of the second annular protrusion 132 is greater than an inner diameter of the first annular protrusion, so that a step surface is formed between the first annular protrusion and the second annular protrusion, and meanwhile, the axial length of the second annular protrusion is greater than the axial length of the first annular protrusion, in this embodiment, the ratio of the axial length of the second annular protrusion 132 to the axial length of the rear cavity is 0.4-0.5; two or more than two strip-shaped sliding grooves are uniformly distributed on the inner wall of the second annular bulge 132 in the axial direction, the strip-shaped sliding grooves form a first limiting sliding groove 134, the end part of the first limiting sliding groove 134 penetrates out of the second limiting bulge 132, threads are arranged on the inner walls of the end parts of the front cavity and the rear cavity, and screw holes are formed; the first male housing is made of metal, preferably stainless steel.
The first hoop 12 is axially and slidably fitted at the tail of the first mounting cavity, that is, slidably fitted in the rear cavity, referring to fig. 8, the first hoop 12 includes a first hoop body 121 which is cylindrical as a whole, the diameter of the outer wall of the first hoop body 121 is the same as that of the inner wall of the second annular protrusion 132, meanwhile, first limiting protrusions 124 which are the same as the number of the first limiting sliding grooves 134 are uniformly distributed on the circumferential direction of the side wall of the first hoop body 121, the first limiting protrusions 124 are strip-shaped and can be clamped in the first limiting sliding grooves 134, so as to realize the slidably fitting connection of the first hoop, at least two strip-shaped dividing grooves are uniformly distributed on the circumferential direction of the side wall of the first hoop body 121, the strip-shaped dividing grooves divide one end of the first hoop body 121 into a plurality of first elastic supporting portions 122 which can generate elastic deformation, a first clamping portion 123 is arranged at the end of the first elastic supporting portion 122, the outer wall of the first clamping portion is an inclined plane and forms a first extrusion surface 123a, an included angle between the axis of the first hoop and the axis of the first hoop is 12-16 degrees, preferably, and the inner wall of the first clamping portion is an arc-shaped surface 123b; the first anchor ear 12 is made of plastic.
Referring to fig. 7, the first tailstock 11 is screwed to the tail of the male plug housing 13, the first tailstock 11 includes a first tailstock body 111 having a conical cylinder shape as a whole, an included angle between a side wall of the first tailstock body and an axis of the first tailstock body is 45 degrees, a cylindrical first connecting portion 112 is disposed at a large-caliber end of the first tailstock body 111, a thread is disposed on an outer wall of the first connecting portion 112 and used for being connected with an internal thread of a rear cavity of the male plug housing, a step surface 113 is formed between the first connecting portion and the first tailstock body 111, a first supporting surface 112a is formed at an end of the first connecting portion 112, and when the first connecting portion is assembled, the first connecting portion can contact with an end of a first limiting protrusion 124 of a side wall of the first anchor ear and push the first anchor ear to slide inward in an axial direction; the inner wall of the first hoop body 111 is an inclined plane and forms a second extrusion surface which is used for contacting with the first extrusion surface on the first hoop and realizing elastic extrusion deformation, the inclination of the second extrusion surface is smaller than the inclination angle of the first extrusion surface, and the included angle between the second extrusion surface and the axis is 8-12 degrees, preferably 10 degrees; the small hole end of the first hoop body 111 is provided with a wire hole 1140 for a cable to pass through; the first tailstock 11 is made of plastic, rubber layers are arranged on the outer wall and the inner wall of the first tailstock, the first tailstock has a waterproof function, meanwhile, an annular groove is formed in the outer wall of the first tailstock, and a metal ring with tightness adjusting function is arranged in the first annular groove and used for adjusting the tightness of the tailstock.
The first connector 16 is fixed at the head of the first mounting cavity, referring to fig. 12, the first connector 16 includes a cylindrical first connector body 162, a cylindrical second connector 161 is provided at the rear end of the first connector body, the inner diameter of the second connector 161 is smaller than that of the first connector body, so that an annular protrusion is provided between the second connector 161 and the inner wall of the first connector body 162 and a step surface 163 is formed, and an external thread is provided on the outer wall of the second connector 161 and is screwed into the front cavity of the male housing; a stepped surface 162a for contacting an end of the male plug housing is also formed between the second connection part 161 and an outer wall of the first connection head body 162; a strip-shaped limiting groove 1621 is formed in the inner wall of the first connector body 162, the length direction of the strip-shaped limiting groove is parallel to the axial direction of the first connector body, and the cross section of the strip-shaped limiting groove is semicircular; meanwhile, a second positioning hole is formed in the side wall of the second connecting portion 161 for radially positioning the first mounting seat, and a rounded corner or a chamfer is formed at the end of the second connecting portion for facilitating insertion; meanwhile, an annular groove 1620 is formed in the inner wall of the first connector body and used for installing a rubber ring, compensating a gap, providing damping and realizing sealing; the first connector is made of metal, preferably, a high-crystallinity conductive metal.
The first mounting seat 15 is fixed in the first connector 16, and referring to fig. 11, the first mounting seat is cylindrical and is sleeved in the first connector 16, the inner wall of the first mounting seat is attached to the inner wall of the first connector, and the end part of the first mounting seat is in contact with the step surface of the upper inner wall of the first connector to realize axial positioning; a first positioning hole 153 is formed in the side wall of the first mounting seat, the axis of the first positioning hole 153 is perpendicular to and intersects with the axis of the first mounting seat, during assembly, the first positioning hole is coaxial with a second positioning hole in the first connecting head, radial positioning is achieved, the first positioning hole and/or the second positioning hole are screw holes, and positioning bolts are mounted in the first positioning hole and the second positioning hole, so that the first mounting seat is fixed; a socket is formed between the end part of the first mounting seat and the inner wall of the first connector; three first mounting holes 152 are formed in the first mounting seat, and a right-angled isosceles triangle structure is formed among the three first mounting holes; the first mounting block is made of plastic, in this embodiment, a teflon insulator.
A first metal rod 14 is fixed in the first mounting hole, an end of the first metal rod extends into the socket to form a first electrical connection portion, specifically, referring to fig. 10, the first metal rod includes a first rod 141, a second rod 142 and a third rod 143 which are coaxially arranged and have successively reduced diameters, a concave hole is formed in the end of the first rod 141 to form a wiring hole 1410, a screw hole 1411 for installing a locking screw is formed in a side wall of the wiring hole 1410, a step surface is formed between the first rod 141 and the second rod 142, and the first metal rod is in contact with the end of the first mounting seat during installation, so that axial positioning is realized; the diameter of the second rod body 142 is slightly larger than that of the third rod body, the diameter difference between the second rod body and the third rod body is 1-2mm, strip-shaped sawteeth are uniformly distributed on the side wall of the second rod body in the circumferential direction, the strip-shaped sawteeth are arranged in a first mounting hole of the first mounting seat in an interference fit mode during mounting, the interference magnitude of the strip-shaped sawteeth and the first mounting hole is 0.5-1mm, the end portion of the third rod body is hemispherical, and the extending amount of the third rod body in the socket is smaller than the depth of the socket; the first metal plunger is made of solid copper.
Referring to fig. 13-21, the female plug 2 includes a female plug housing 23, a second anchor ear 12, a second tail seat 21, a second mounting seat 25 and a second connector 26, which are coaxially disposed; referring to fig. 18, the female housing 23 includes a cylindrical female housing body 231, a second mounting cavity is formed inside the female housing body, a third annular protrusion 232 is disposed in the second mounting cavity, the third annular protrusion 232 partitions the second mounting cavity into a front cavity and a rear cavity, and the ratio of the axial lengths of the front cavity and the rear cavity is 1 to 1.3, a fourth annular protrusion 233 is disposed in the rear cavity, the fourth annular protrusion is connected to the end of the third annular protrusion, and the inner diameter of the fourth annular protrusion 233 is greater than the inner diameter of the third annular protrusion, so that a step surface is formed between the first annular protrusion and the fourth annular protrusion, and meanwhile, the axial length of the fourth annular protrusion is greater than the axial length of the third annular protrusion, in this embodiment, the ratio of the axial length of the fourth annular protrusion 233 to the axial length of the rear cavity is 0.35 to 0.45; two or more than two strip-shaped sliding grooves are uniformly distributed on the inner wall of the fourth annular bulge 233 in the circumferential direction, the strip-shaped sliding grooves form a second limiting sliding groove 234, the end part of the second limiting sliding groove 234 penetrates out of the fourth annular bulge 233, threads are arranged on the inner walls of the end parts of the front cavity and the rear cavity, and screw holes are formed; the female housing is made of metal, preferably stainless steel.
The second anchor ear 12 is axially and slidably fitted at the tail part of the second mounting cavity, that is, slidably fitted in the rear cavity, referring to fig. 17, the second anchor ear 12 includes a second anchor ear body 221 which is cylindrical as a whole, the diameter of the outer wall of the second anchor ear body 221 is the same as that of the inner wall of the fourth annular bulge 233, meanwhile, second limit protrusions 224 which are the same as the second limit sliding groove 234 in number are uniformly distributed on the circumferential direction of the side wall of the second anchor ear body 221, the second limit protrusions 224 are strip-shaped and can be clamped in the second limit sliding groove 234, and the sliding connection of the second anchor ear is realized, at least two strip-shaped partition grooves are uniformly distributed on the circumferential direction of the side wall of the second anchor ear body 221, the strip-shaped partition grooves partition one end of the second anchor ear body 221 into a plurality of second elastic supporting parts 222 which can generate elastic deformation, a second clamping part 223 is arranged at the end of the second elastic supporting part 222, the outer wall of the second clamping part is an inclined plane and forms a third extrusion surface 223a, the included angle between the axis of the second anchor ear and the axis of the second anchor ear is 12-26 degrees, preferably, and the inner wall of the second clamping part is 24 b and forms an arc-shaped clamping surface 223b; the second anchor ear 12 is made of plastic.
Referring to fig. 16, the second tailstock 21 is screwed to the tail of the female plug housing 23, the second tailstock 21 includes a second tailstock body 211 having a conical cylindrical shape as a whole, an included angle between a side wall of the second tailstock body and an axis is 45 degrees, a cylindrical third connecting portion 212 is disposed at a large-caliber end of the second tailstock body 211, an outer wall of the third connecting portion 212 is provided with a screw thread for connecting with an internal thread of a rear cavity of the female plug housing, a step surface 213 is formed between the third connecting portion and the second tailstock body 211, and an end of the third connecting portion 212 forms a second supporting surface, and when the second connecting portion is assembled, the second connecting portion can contact with an end of a second limiting projection 224 of the side wall of the second anchor ear and push the second anchor ear to slide inward in the axial direction; the inner wall of the second hoop body 211 is an inclined plane and forms a fourth extrusion surface, and the fourth extrusion surface is used for contacting with a third extrusion surface on the second hoop and realizing elastic extrusion deformation, the inclination of the fourth extrusion surface is smaller than the inclination angle of the third extrusion surface, and the included angle between the fourth extrusion surface and the axis is 8-12 degrees, preferably 10 degrees; a small hole end of the second hoop body 211 is provided with a wire hole for a cable to pass through; the second tailstock 21 is made of plastic, rubber layers are arranged on the outer wall and the inner wall of the second tailstock, the second tailstock has a waterproof function, meanwhile, an annular groove is formed in the outer wall of the second tailstock, and a metal ring with tightness adjustment is arranged in the first annular groove and used for adjusting the tightness of the tailstock.
The second connector 26 is fixed at the head of the second mounting cavity, referring to fig. 21, the second connector 26 includes a cylindrical second connector body 263, an annular protrusion is provided on the outer wall of the second connector body 263 and forms a limit ring 262 for circumferential limiting, the limit ring separates the second connector body into a first body and a second body, the outer diameter of the first body is the same as the inner diameter of the socket, and an inserting portion for inserting into the socket is formed; the outer wall of the second body is provided with external threads and forms a threaded connection part, the external threads are connected in the front cavity of the female plug shell, and the end part of the female plug shell of the limiting ring is contacted; an annular bulge 264 is arranged at the front end of the inner wall of the second connector body 263 and forms a step surface for circumferentially limiting the second mounting seat; a fourth positioning hole 2610 is formed in the side wall of the threaded connection part and used for radially positioning the second mounting seat, and a fillet or a chamfer is formed at the end part of the second connection part for inserting convenience; the side wall of the second connector body is provided with a hole body for allowing part of the side wall of the elastic steel ball to pass through; the second connector is made of metal, preferably, a high-crystallinity conductive metal.
The second mounting seat 25 is fixed in the second connector 26, referring to fig. 20, the second mounting seat is cylindrical and is sleeved in the second connector 26, the inner wall of the second mounting seat is attached to the inner wall of the second connector, and the end of the second mounting seat is in contact with the step surface of the inner wall of the second connector to realize axial positioning; a third positioning hole 254 is formed in the side wall of the second mounting seat, the axis of the third positioning hole 254 is perpendicular to and intersects with the axis of the second mounting seat, during assembly, the third positioning hole is coaxial with a fourth positioning hole in the second connector to realize radial positioning, the third positioning hole and/or the fourth positioning hole are screw holes, and positioning bolts are installed in the third positioning hole and the fourth positioning hole to realize the fixation of the second mounting seat; meanwhile, a concave hole 253 is formed in the side wall of the second mounting seat, the axis of the concave hole 253 is parallel to the third positioning hole, a spring and a steel ball (or a pressure rod with a hemispherical end part) are arranged in the concave hole, the spring enables the steel ball to have an outward movement trend, and the diameter of the concave hole is larger than that of a hole body on the second connector; the diameter of the steel ball is the same as the radius of the strip-shaped limiting groove on the first connecting head, so that mutual attachment can be realized; three second mounting holes 252 are formed in the second mounting base, and a right-angled isosceles triangle structure is formed among the three second mounting holes; the second mounting block is made of plastic, in this embodiment, a teflon insulator.
Specifically, referring to fig. 19, the second metal rod 24 is fixed in the second mounting hole, and includes a first rod 241, a second rod 242, and a third rod 243 which are coaxially arranged and have successively reduced diameters, a concave hole is formed at an end of the first rod 241 and forms a wiring hole 2410, a screw hole 2411 for mounting a locking screw is formed in a side wall of the wiring hole 2410, and a step surface is formed between the first rod 241 and the second rod 242 and contacts with an end of the second mounting base during mounting to realize axial positioning; the diameter of the second rod 242 is slightly larger than that of the third rod, the diameter difference between the two is 1-2mm, the side wall of the second rod is circumferentially and uniformly provided with strip-shaped sawteeth, when the second rod is installed, the strip-shaped sawteeth are installed in the second installation hole of the second installation seat in an interference manner, the interference magnitude of the strip-shaped sawteeth and the second installation hole is 0.5-1mm, the end part of the third rod is provided with a hole body and forms an insertion hole 2430, the insertion hole can accommodate the first metal rod to be inserted and realize electric connection, the hole diameter of the insertion hole is the same as that of the third rod of the first metal rod, meanwhile, the side wall of the third rod is provided with a plurality of holes, and the insertion hole can elastically deform to clamp the first electric connection part; the second rod body and the third rod body are both positioned in the second mounting hole 252; in order to improve the contact reliability, a plurality of annular bulges or annular grooves can be arranged on the outer wall of the third rod body of the first metal rod body, or annular bulges or annular grooves can be arranged on the inner wall of the jack of the second metal rod body, the width of the annular groove or the annular bulge is 0.5-2mm, the contact area can be increased, the contact reliability is improved, and the joint (contact) reliability of the third rod body and the jack is prevented from being influenced by deformation or processing precision; in order to facilitate the insertion, the end part of the insertion hole is provided with a chamfer or a fillet; in order to improve the clamping force and improve the reliability and stability of electric connection (contact), an elastic ring is arranged at the end part of the third rod body (jack), the elastic ring can be one or more rubber rings, and is sleeved at the end part of the third rod body (jack), so that the jack has better clamping force and the fitting degree with the first metal rod body is improved; in order to ensure the installation stability of the rubber ring and avoid slippage, an annular groove is arranged at the end part of the side wall of the third rod body, and the rubber ring is sleeved in the annular groove.
The audio analog signal plug assembly adopts a split type assembly structure, can be quickly assembled, is convenient to assemble and disassemble, is simple to operate and has wide application range; the elastic ball structure is arranged, so that radial quick positioning can be realized, the pulling and the inserting are convenient, certain damping is realized, and the pulling and the inserting experience is good; the internally-arranged hoop structure is compact in structure, automatic clamping of the cable can be realized during assembly, the cable is prevented from being pulled and separated, and the use reliability and stability of the whole cable are improved; the rubber layer is arranged on the tailstock, so that the waterproof function is realized, and the use safety is high; the metal ring is arranged outside the tailstock, so that the tightness can be adjusted according to requirements, the tailstock can adapt to cables with different diameters, and the application range is wide; the metal shell structure has high structural strength and long service life, and simultaneously has the antimagnetic function, reduces external interference and attenuation, and realizes high fidelity; the rubber layer is arranged in the socket, so that the gap between the socket and the inserting part can be compensated, the phenomenon that the socket shakes due to the influence of the gap to cause poor contact is avoided, meanwhile, the damping can be increased, the reliability and the stability of inserting are improved, the socket is prevented from being loosened due to pulling force, meanwhile, the sealing performance is improved, and the waterproof function is achieved; the structure of the metal rod body is optimized, the wiring and the assembly are convenient, the structural strength is high, the electric conductivity is high, the attenuation is small by matching with the metal shell, and the high fidelity is realized; the audio analog signal plug assembly has the advantages of compact structure, stable plug-in connection, good use reliability and wide application range, and can ensure high-quality signal transmission.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An audio analog signal plug assembly, comprising:
the plug comprises a male plug 1, wherein a socket is arranged at the end part of the male plug 1, a first electric connection part 14 is arranged in the socket, and a first connection part used for being connected with a lead is arranged at the tail part of the first electric connection part;
the end part of the female plug 2 is provided with a plug-in part which can be inserted into the socket, the plug-in part is internally provided with a second electric connection part 24 which is used for contacting with the first electric connection part and realizing electric connection, and the tail part of the second electric connection part is provided with a second connection part which is used for being connected with a lead;
and a radial positioning assembly for radial positioning is arranged between the socket and the insertion part.
2. The audio analog signal plug assembly of claim 1, wherein: the first electrical connection portion 14 is a metal insertion rod, and the second electrical connection portion 24 is a metal insertion hole into which the metal insertion rod can be inserted.
3. The audio analog signal plug assembly of claim 1, wherein: the inner wall of socket has seted up the spacing recess 161 of bar, the axis of spacing recess 161 is on a parallel with the axis of socket, the lateral wall of grafting portion is seted up and is blocked in the elasticity card ball 27 of spacing recess 161, and works as elasticity card ball 27 card is blocked in the spacing recess, first electric connection portion with the second electric connection portion is coaxial.
4. The audio analog signal plug assembly of claim 1, wherein: and a rubber layer for increasing damping and improving sealing performance is arranged on the inner wall of the socket and/or the outer wall of the inserting part.
5. The audio analog signal plug assembly of claim 1, wherein: the cable connector is characterized in that a hoop is arranged in the male plug and/or the female plug, a clamping portion capable of allowing a cable to penetrate through and clamp is arranged on the hoop, a tailstock is connected to the end portion of the male plug and/or the female plug through threads, the inner wall of the tailstock is in contact with the outer wall of the hoop through an inclined surface, and the clamping portion can compress the cable.
6. The audio analog signal plug assembly of claim 1, wherein: the side wall circumference equipartition of staple bolt has two at least spacing lugs, public inserting or female inserting are equipped with and hold spacing spout that spacing lug card is gone into and is realized the axial and slide, the inner wall of tailstock is equipped with and is used for with the tip contact of spacing lug and promote the inside gliding bearing portion of staple bolt.
7. The audio analog signal plug assembly of claim 1, wherein: the male plug 1 or the female plug 2 comprises a shell, a hoop, a tailstock, a mounting seat and a connector which are coaxially arranged, a mounting cavity is formed in the shell, the hoop is axially and slidably arranged at the tail of the mounting cavity, cable holes for allowing cables to penetrate are formed in the two ends of the hoop in a penetrating manner, and at least two clamping parts are uniformly distributed at the end part of the hoop in the circumferential direction; the tail seat is in threaded connection with the tail part of the shell, and the inner wall of the tail seat is provided with a pressing surface which is used for being in contact with the outer wall of the clamping part and enabling the clamping part to generate elastic deformation; the connector is fixed the head of installation cavity, the mount pad is fixed in the connector, three mounting hole has been seted up on the mount pad, the mounting hole internal fixation has the metal body of rod, the tip of the metal body of rod extends to the mount pad terminal surface with in the socket that forms between the connector inner wall and form first electricity connecting portion, or the hole body and formation have been seted up to the tip of metal inserted bar the second electricity connecting portion.
8. The audio analog signal plug assembly of claim 1, wherein: the housing and/or the connector are made of an electrically conductive metal and the mounting seat is made of an insulator material.
9. The audio analog signal plug assembly of claim 1, wherein: the metal rod body comprises a first rod body, a second rod body and a third rod body which are coaxially arranged, the diameters of the first rod body, the second rod body and the third rod body are sequentially reduced, a concave hole is formed in the end portion of the first rod body to form a wiring hole, a screw hole used for installing a locking screw is formed in the side wall of the wiring hole, a step surface is arranged between the first rod body and the second rod body, strip-shaped saw teeth are uniformly distributed in the circumferential direction of the side wall of the second rod body, and when the metal rod body is used as the first electric connection portion, the end portion of the third rod body is an arc-shaped surface; when the third rod body is used as the second electric connection part, the end part of the third rod body is provided with a jack for inserting the first electric connection part, and the side wall of the jack is provided with a strip-shaped hole and can enable the jack to generate elastic deformation so as to clamp the first electric connection part.
10. The audio analog signal plug assembly of claim 1, wherein: the mounting seat is cylindrical and is sleeved in the cylindrical connector, the connector is in threaded connection with the shell, and a step surface for axially limiting the mounting seat is arranged in the connector; first locating hole has been seted up to the lateral wall of mount pad, the axis of first locating hole perpendicular and intersect in the axis of mount pad, the lateral wall of connector seted up with first locating hole is coaxial and be used for right the mount pad carries out the second locating hole of radial positioning, the second locating hole is seted up on the screw thread body of connector, first locating hole with install positioning bolt between the second locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310098463.5A CN115954717B (en) | 2023-01-13 | 2023-01-13 | Audio analog signal plug assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310098463.5A CN115954717B (en) | 2023-01-13 | 2023-01-13 | Audio analog signal plug assembly |
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| CN115954717A true CN115954717A (en) | 2023-04-11 |
| CN115954717B CN115954717B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310098463.5A Active CN115954717B (en) | 2023-01-13 | 2023-01-13 | Audio analog signal plug assembly |
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| CN (1) | CN115954717B (en) |
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| US20020132509A1 (en) * | 2001-03-14 | 2002-09-19 | Edwin Collin | Coupling mechanism for electrical connectors |
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| CN112038849A (en) * | 2020-07-24 | 2020-12-04 | 天台天宇光电股份有限公司 | Novel two-pin male-female insertion structure and fastening tool for machining same |
| CN113629452A (en) * | 2021-07-20 | 2021-11-09 | 中航光电科技股份有限公司 | Quick push-pull structure and connector with locking function |
| CN214849165U (en) * | 2021-06-04 | 2021-11-23 | 江苏吴通物联科技有限公司 | Quick-plug low-intermodulation connector |
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2023
- 2023-01-13 CN CN202310098463.5A patent/CN115954717B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020132509A1 (en) * | 2001-03-14 | 2002-09-19 | Edwin Collin | Coupling mechanism for electrical connectors |
| CN104852217A (en) * | 2015-05-22 | 2015-08-19 | 朱招勇 | Straight insertion self-locking anti-explosion electric connection device, plug and socket |
| CN204992044U (en) * | 2015-10-12 | 2016-01-20 | 朱招勇 | Contact butt joint is from locking -type electrical connector and plug and socket thereof |
| CN109066199A (en) * | 2018-09-17 | 2018-12-21 | 谈振新 | Radio frequency (RF) coaxial connector electric performance test device |
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| CN112038849A (en) * | 2020-07-24 | 2020-12-04 | 天台天宇光电股份有限公司 | Novel two-pin male-female insertion structure and fastening tool for machining same |
| CN214849165U (en) * | 2021-06-04 | 2021-11-23 | 江苏吴通物联科技有限公司 | Quick-plug low-intermodulation connector |
| CN113629452A (en) * | 2021-07-20 | 2021-11-09 | 中航光电科技股份有限公司 | Quick push-pull structure and connector with locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115954717B (en) | 2023-08-22 |
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