CN110581393A - waterproof FAKRA connector - Google Patents
waterproof FAKRA connector Download PDFInfo
- Publication number
- CN110581393A CN110581393A CN201910848937.7A CN201910848937A CN110581393A CN 110581393 A CN110581393 A CN 110581393A CN 201910848937 A CN201910848937 A CN 201910848937A CN 110581393 A CN110581393 A CN 110581393A
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- China
- Prior art keywords
- sheath
- tail
- sealing rubber
- rubber plug
- sealing
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
- H01R13/5221—Sealing means between coupling parts, e.g. interfacial seal having cable sealing means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
Abstract
a waterproof FAKRA connector comprises a male end sheath, a male end core wire terminal, a female end sheath and a female end core wire terminal, wherein an interface waterproof sealing device is arranged at the joint of the male end sheath and the female end sheath, a male end tail buckle waterproof sealing device is arranged at the joint of a tail buckle I and the tail end of the male end sheath, and a female end tail buckle waterproof sealing device is arranged at the joint of a tail buckle II and the tail end of the female end sheath; the interface waterproof sealing device comprises a sheath insert ring, a sheath ring groove II and a sealing rubber ring, wherein the plane of the sealing rubber ring is an arc surface or an arc multi-layer wavy surface; the male end tail buckle waterproof sealing device and the female end tail buckle waterproof sealing device comprise a sealing rubber plug and a tail buckle, and the sealing rubber plug and the tail buckle which are oppositely arranged form a plurality of face sealing structures. The waterproof FAKRA connector is compact in structure and good in waterproof sealing effect, and is not influenced by the locking port average force of the male end and the female end or the end face inclination caused by a single buckle; the connection is reliable, the occlusion contact is good, and the high-frequency signal transmission is reliable.
Description
Technical Field
the present invention relates to a cable connector, and more particularly, to a waterproof FAKRA connector.
Background
electric connector wide application in traffic, communication, the network, fields such as IT, FAKRA connector is well-known automotive electronics industry standard connector, FAKRA connector product includes public end and female end, generally include sheath (public end sheath, female end sheath) and insert the heart yearn terminal (including public end heart yearn terminal and female end heart yearn terminal) of locating at this sheath center, public end heart yearn terminal and female end heart yearn terminal coaxial design (coaxial connector), install in public end sheath behind the public end heart yearn terminal connecting cable, install in female end sheath behind the female end heart yearn terminal connecting cable, then the butt joint is even integrative (public end sheath and female end sheath lock joint, public end heart yearn terminal is connected with female end heart yearn terminal), be connected to coaxial cable in the electrical equipment, in order to transmit reliable hyperfrequency signal.
In order to ensure that a cable core wire installed in a connector sheath has good transmission performance, a male end core wire terminal and a female end core wire terminal are firmly connected, and sealing of heavy waves is ensured, sealing devices are generally arranged at a buckling port of a male end sheath and a female end sheath and at tail end ports of the male end sheath and the female end sheath; the problems with the existing FAKRA connectors are:
1. the port department of male end sheath and female end sheath adopts O type seal ring and sealed water-proof way of blocking, namely O type seal ring is pasted closely in the port department of the sheath, seal and block the cover on the cable then and put the end button, the inner circle of the end button is fitted on the outer circumference of seal and block, the circular groove formed by inner circle and outer lane of the end button is fitted on O type seal ring of the port of the outer casing, one side of O type seal ring contacts with end button, another side contacts with port of the sheath, one side of seal and block the contact of cable, another side contacts with end button, the seal structure adopts 2 seal assemblies, there are four contact surfaces that are possible to seep water, not only increase spare part cost, the installation process is complicated, and the water-proof effect is not good, only have a water-proof failure, then the water-proof failure (especially the O;
2. The buckling port of the male end sheath and the female end sheath adopts a single sealing mode of an O-shaped sealing ring, namely, the O-shaped sealing ring is tightly attached to the port of the female end sheath interface, a circular groove formed by the inner ring and the outer ring of the male end sheath interface is sleeved on the O-shaped sealing ring of the female end sheath interface, the sheath shell of the conventional FAKRA connector is a unilateral buckle, the force is unbalanced and uneven, once the male end sheath and the female end sheath are assembled, the end surface inclines due to uneven stress, and the gap position where the end surface inclines causes water leakage;
3. the connection structure of the male end core wire terminal and the female end core wire terminal of the conventional FAKRA connector adopts a plugging mode, namely, a male end core wire plug is matched with a female end core wire socket, the front end of the female end core wire terminal socket is directly formed by necking the female end core wire plug by using a die, and the male end plug is plugged and then is clamped by using the self elasticity of a copper sheet (or other metal material sheets) formed by necking.
Disclosure of Invention
the invention aims to provide a waterproof FAKRA connector which is simple in structure, safe, reliable and good in sealing performance, so as to overcome the defects in the prior art.
in order to solve the technical problems, the invention adopts the technical scheme that:
A waterproof FAKRA connector comprises a male end sheath, a male end core wire terminal, a female end sheath and a female end core wire terminal, the main body of the male end sheath is square, the tail end is cylindrical, the inner cavity of the male end sheath is cylindrical, the main body of the female end sheath is square, the tail end is cylindrical, the inner cavity of the female end sheath is cylindrical, the male end core wire terminal is arranged in the inner cavity of the male end sheath through the inner sleeve component I, the plug of the male end core wire terminal is arranged at the front end of the male end sheath, a cable connected with the male end core wire terminal passes through the tail buckle I and is led out of the tail end of the male end sheath, the female end core wire terminal is arranged in the inner cavity of the female end sheath through the inner sleeve assembly II, the female end core wire terminal socket is positioned at the front end of the female end sheath, a cable connected with the female end core wire terminal passes through the tail buckle II to be led out of the tail end of the female end sheath, and in a use state, the male end sheath is in butt joint with the female end sheath, and the male end core wire terminal plug is connected with the female end core wire terminal socket;
a joint waterproof sealing device is arranged at the joint of the male end sheath and the female end sheath, a male end tail buckle waterproof sealing device is arranged at the joint of the tail buckle I and the tail end of the male end sheath, and a female end tail buckle waterproof sealing device is arranged at the joint of the tail buckle II and the tail end of the female end sheath;
The interface waterproof sealing device comprises a sheath insert ring, a sheath ring groove II and a sealing rubber ring, wherein the sheath insert ring is connected to the front end of the male end sheath and is connected with the male end sheath into a whole, an inner sheath is arranged between the female end sheath and the inner sheath assembly II, the inner sheath comprises a necking section, a middle section and a tail ring, the periphery of the tail ring is tightly matched with the tail end of the female end sheath and a tail buckle II, the middle section of the tail ring is respectively tightly matched with the female end sheath and the inner sheath assembly II, an annular cavity between the necking section of the front end and the female end sheath forms the sheath ring groove II, the sealing rubber ring is arranged in an annular groove on the outer periphery of the necking section, the male end sheath is butted with the female end sheath in a use state, and the sheath insert ring I is inserted into the sheath ring groove II and is tightly matched with the sealing rubber ring, so that the butt joint of the male end sheath and the;
The waterproof sealing device for the male end tail buckle comprises a sealing rubber plug I and a tail buckle I, wherein the sealing rubber plug I is of a cylindrical structure, the outer diameter of the sealing rubber plug I corresponds to the inner diameter of the tail end of a male end sheath, a round hole I which is installed in a matched mode with a cable is formed in the center of the sealing rubber plug I, the periphery of the round hole I is sequentially connected with an inner circular platform I and an outer circular platform I, and a cavity between the inner circular platform I and the outer circular platform I forms a first sealing ring groove I; the tail buckle I is of an annular structure, a center hole I for leading out a cable is formed in the center of the tail buckle I, the periphery of the center hole I is sequentially connected with a first round platform I and symmetrically arranged half round platforms I, arc-shaped ear buckles I are symmetrically arranged between the two half round platforms I, and a cavity between the first round platform I and the half round platforms I as well as a cavity between the first round platform I and the arc-shaped ear buckles I form a sealing installation ring groove I; the semi-circular truncated cone I and the arc-shaped ear clip I are coaxial, the inner diameter of the semi-circular truncated cone I corresponds to the outer diameter of the tail end of the male end sheath, and the outer diameter of the first circular truncated cone I corresponds to the inner diameter of the circular truncated cone I outside the sealing rubber plug I; the sealing rubber plug I is tightly installed in an inner cavity of the tail end of the male end sheath in a matching mode, the bottom surface of the sealing rubber plug I is tightly attached to the inner sleeve component I, the opening of a first sealing ring groove I is outward, a round hole I is tightly matched with a led-out cable, the tail buckle I and the sealing rubber plug I are installed in opposite directions, a first round platform I of the tail buckle I is sleeved in the first sealing ring groove I of the sealing rubber plug I and is tightly matched with the first sealing ring groove I, the tail end of the male end sheath and a round platform I outside the sealing rubber plug I are sleeved in the sealing mounting ring groove I of the tail buckle I and are tightly matched with the tail buckle I, and arc-shaped ear buckles I of the tail buckle I respectively buckle a buckle pin on the periphery of the tail end;
The female end tail buckle waterproof sealing device comprises a sealing rubber plug II and a tail buckle II, the sealing rubber plug II is the same as the sealing rubber plug I in structure and is also of a cylindrical structure, the outer diameter of the sealing rubber plug II corresponds to the inner diameter of a tail ring of an inner sheath, a round hole II which is installed in a matched mode with a cable is formed in the center of the sealing rubber plug II, an inner round platform II and an outer round platform II are sequentially connected to the periphery of the round hole II, a first sealing ring groove II is formed in a cavity between the inner round platform II and the outer round platform II, the tail buckle II is the same as the tail buckle I in structure and is also of an annular structure, a central hole II for leading out the cable is formed in the center of the sealing rubber plug II, a first round platform II and a symmetrically arranged half round platform II are sequentially connected to the periphery of the central hole II, arc-shaped ear buckles II are symmetrically arranged between the two half round platforms II, a cavity between the first round platform II and the half round platform II and the arc-, the outer diameter of the first round table II corresponds to the inner diameter of the round table II outside the sealing rubber plug II; the sealing rubber plug II is installed in an inner sheath tail ring inner cavity in a tight fit mode, the bottom surface of the sealing rubber plug II is tightly attached to an inner sleeve component II, the opening of a first sealing ring groove II is outward, a round hole II is tightly matched with a cable led out, the tail plug II is installed with the sealing rubber plug II in opposite directions, a first round platform II of the tail plug II is sleeved in the first sealing ring groove II of the sealing rubber plug II and is tightly matched with the first round platform II, the tail ring of the inner sheath and the sealing rubber plug II are sleeved in the sealing mounting ring groove II of the tail plug II and are tightly matched with the tail plug II, and an arc ear plug II of the tail plug II is respectively buckled with a buckling pin on the periphery of the tail end of a female end sheath, so that the tail plug II is tightly connected.
The further technical scheme is as follows: the front end of the sheath insert ring is provided with an inner horn mouth, and the front end of the inner sheath necking section is provided with an inclined opening, so that the male end sheath and the female end sheath form insertion guide when being butted.
further: the interface of public end sheath and female end sheath is equipped with interface locking device, interface locking device includes sheath button pin I and sheath button hole II, sheath button pin I is established at public end sheath front portion, and it establishes at female end sheath front portion to have elastic sheath button hole II, thereby elasticity sheath button hole II withholds I the fastening of sheath button pin and locks the connection of public end sheath and female end sheath during the user state.
further: the outer circumference of the sealing rubber plug I is provided with an anti-slip ring groove I, and the outer circumference of the sealing rubber plug II is provided with an anti-slip ring groove II.
Further: the plane of the sealing rubber ring arranged on the necking section of the inner sheath is an arc surface or an arc multi-layer wavy surface.
Further: the tail end inner ring of the male end sheath is provided with an annular groove I for mounting a sealing rubber plug I, the inner diameter of the annular groove I corresponds to the outer diameter of the sealing rubber plug I, the width of the annular groove I corresponds to the height of the sealing rubber plug I, and the end face of the sealing rubber plug I mounted in the annular groove I and the tail end face of the male end sheath are positioned on the same plane; the tail end inner ring of the female end sheath is provided with an annular groove II for mounting a sealing rubber plug II, the inner diameter of the annular groove II corresponds to the outer diameter of the sealing rubber plug II, the width of the annular groove II corresponds to the height of the sealing rubber plug II, and the end face of the sealing rubber plug II mounted in the annular groove II and the tail end face of the female end sheath are located on the same plane.
further: the height of the first round table I of the tail buckle I is consistent with the depth of the first sealing ring groove I of the sealing rubber plug I, and the height of the first round table II of the tail buckle II is consistent with the depth of the first sealing ring groove II of the sealing rubber plug II.
further: the male end sheath, the female end sheath, the tail buckle I and the tail buckle II are made of plastic materials, and the sealing rubber plug I and the sealing rubber plug II are made of plastic materials.
Further: the male end core wire terminal plug is a cylindrical plug, the female end core wire terminal socket is a cylindrical socket with a slightly larger inner diameter, the front end of the female end core wire terminal socket is provided with a strip groove to form a plurality of claw petals, a spring clamping ring is arranged in an annular spring groove at the periphery of each claw petal, the cylindrical plug of the male end core wire terminal plug is inserted into the claw petals of the cylindrical socket when the male end sheath is in butt joint with the female end sheath, and the cylindrical plug is locked by the elasticity of the spring clamping ring.
due to the adoption of the technical scheme, the waterproof FAKRA connector has the following beneficial effects:
1. because the waterproof FAKRA connector is provided with the interface waterproof sealing device and comprises the sheath insert ring I, the sheath ring groove II and the sealing rubber ring, when the waterproof FAKRA connector is in a use state, the male end sheath is butted with the female end sheath, the sheath insert ring I is inserted into the sheath ring groove II and is tightly matched with the sealing rubber ring, the sheath insert ring I and the inner sheath are sealed through the sealing rubber ring, the sealing is surface sealing (the sealing is realized through the sealing ring in the prior art, the sealing is small, the sealing can be regarded as line sealing), the surface of the sealing rubber ring is a circular ring plane or a circular ring multilayer wavy surface, and the sealing effect of the butt joint is greatly improved; the sealing structure does not need to consider the locking port average force of the male end and the female end or water seepage caused by the inclination of the end face due to single buckle, and the waterproof sealing reliability is high;
2. the waterproof sealing device for the male end tail buckle of the waterproof FAKRA connector comprises a sealing rubber plug I and a tail buckle I, wherein the sealing rubber plug I is of an annular structure and comprises an inner circular truncated cone I and an outer circular truncated cone I, and a first sealing ring groove I is formed by a cavity between the inner circular truncated cone I and the outer circular truncated cone I; the tail buckle I is of an annular structure and comprises a first round table I and a second round table I, and a cavity between the first round table I and the second round table I forms a second sealing ring groove I; the sealing rubber plug I is tightly installed in an inner cavity of the tail end of the male end sheath in a matching mode, the tail buckle I and the sealing rubber plug I are installed in opposite directions, a first circular truncated cone I of the tail buckle I is sleeved in a first sealing ring groove I of the sealing rubber plug I and is tightly matched with the sealing rubber plug I, and the tail end of the male end sheath and a circular truncated cone I outside the sealing rubber plug I are sleeved in a second sealing ring groove I of the tail buckle I and are tightly matched with the sealing rubber plug I;
The female end tail buckle waterproof sealing device is the same as the male end tail buckle waterproof sealing device;
The above structure shows that: public end cable closely cooperates with the round hole I of sealed gluey stifled I, and female end cable closely cooperates with round hole II between the sealed gluey stifled II, and the sealed of public end sheath tail end is a plurality of face seal: including the face seal of first seal ring groove I and second seal ring groove I, the seal of female end sheath tail end is a plurality of face seals equally: the surface sealing device comprises a first sealing ring groove II and a second sealing ring groove II, so that the sealing performance and the waterproof performance of the FAKRA connector can be greatly improved;
3. because the male end tail buckle waterproof sealing device and the female end tail buckle waterproof sealing device can realize good sealing only by combining one sealing rubber plug and the tail buckle, (2 sealing parts, namely an O-shaped ring and the sealing plug, are adopted in the prior art), the sealing waterproof performance is improved, the cost is reduced, and the assembly process is simplified; in addition, an anti-slip ring groove I35 is formed in the outer circumference of the sealing rubber plug I3, and an anti-slip ring groove II 145 is formed in the outer circumference of the sealing rubber plug II 14, so that the sealing rubber plug I and the sealing rubber plug II are not easy to slip when being installed, and the sealing reliability is improved;
4. Because the female end sheath is internally installed through the inner sheath and the inner sheath assembly, a cavity between the necking section at the front end of the inner sheath and the female end sheath forms a sheath ring groove II, the front end of the necking section of the inner sheath is provided with an inclined opening 91, and the front end of the sheath inserting ring I51 of the male end sheath is provided with an inner bell mouth 511, so that the male end sheath and the female end sheath form inserting guide when in butt joint, and the accurate mutual insertion and dislocation prevention between the core wire terminal plug and the female end core wire terminal socket can be realized more accurately;
5. because the FAKRA connector of the invention has the advantages that the front end of the female terminal wire terminal socket is provided with the strip groove to form a plurality of claw petals, the annular spring groove at the periphery of the claw petals is provided with the spring clamping ring, the cylindrical plug of the male terminal wire terminal plug is inserted into the claw petals of the cylindrical socket during butt joint, and the cylindrical plug is locked by the elasticity of the spring clamping ring, and the FAKRA connector has the advantages that:
(1) The spring wire is made into a spring clamping ring and sleeved into an annular groove preset in the female terminal core wire terminal socket, and due to the elastic characteristic of spring steel, the spring steel has almost infinite elasticity, so that the biting force of the female terminal core wire terminal socket can be greatly enhanced, the occlusion contact is good and stable, the high-frequency signal transmission is reliable, and the transmission of an ultrahigh-frequency signal cannot be influenced due to poor contact, so that the SWR (standing-wave ratio), the Insert Loss and the signal attenuation of a radio-frequency signal are caused;
(2) The plugging and unplugging times of the female terminal core wire terminal socket can be greatly improved, and the service life of plugging and unplugging is greatly prolonged;
(3) In the prior art, the front end of the female terminal core wire terminal socket is directly formed by necking by using a mould, a continuous stretch forming or metal injection MIM (metal injection molding) die-casting process is generally adopted, the process is complex, and the processing cost is high; according to the scheme, only one annular groove is arranged at the claw position at the front end of the socket, and a spring clamping ring is arranged in the groove, so that a precision lathe can be used for large-batch full-automatic machining, and the machining is simple and convenient;
(4) In the prior art, expensive beryllium copper material with good elasticity is used for ensuring the elasticity, the spring is used as the auxiliary elasticity, and common brass material with low price is used, so that the cost can be greatly reduced.
the technical features of a waterproof FAKRA connector according to the present invention will be further described with reference to the accompanying drawings and examples.
drawings
Fig. 1 to 7 are schematic structural diagrams of a waterproof FAKRA connector according to the present invention:
FIG. 1 is a front view (semi-sectional view), FIG. 2 is an enlarged view of part A of FIG. 1, FIG. 3 is an enlarged view of part C of FIG. 1, FIG. 4 is an enlarged view of part B of FIG. 1, FIG. 5 is an enlarged view of part B of FIG. 1 (with the sealing rubber ring on the inner jacket throat removed and the annular spring on the female terminal core wire terminal receptacle removed), FIG. 6 is an E-E view of FIG. 5, and FIG. 7 is a D-D view of FIG. 5;
Fig. 8-11 are schematic structural views of the tail buckle i:
fig. 8 is a front view, fig. 9 is a sectional view F-F of fig. 8, fig. 10 is a plan view, and fig. 11 is a perspective view;
Fig. 12-15 are schematic structural diagrams of a sealing rubber plug I:
FIG. 12 is a front view, FIG. 13 is a sectional view taken along line G-G of FIG. 12, FIG. 14 is a top view, and FIG. 15 is a perspective view;
fig. 16 to 17 are schematic structural diagrams of the male terminal plug and the female terminal socket:
FIG. 16 shows the annular spring not clamped in the annular spring groove, and FIG. 17 shows the annular spring clamped in the annular spring groove;
fig. 18 to 21 are schematic structural views of a tail buckle ii:
FIG. 18 is a front view, FIG. 19 is a sectional view taken along line H-H of FIG. 18, FIG. 20 is a top view, and FIG. 21 is a perspective view;
Fig. 22-25 are schematic structural diagrams of a sealing rubber plug II:
FIG. 22 is a front view, FIG. 23 is a sectional view taken along line J-J of FIG. 22, FIG. 24 is a top view, and FIG. 25 is a perspective view;
FIG. 26 is a schematic view of a prior art connector;
FIG. 27 is a schematic view of a prior art male terminal core plug and female terminal core socket;
in fig. 1 to 25:
1-cable, 2-tail buckle I, 21-center hole I, 22-first round platform I, 23-semicircle platform I, 24-sealing installation ring groove I, 25-ear buckle I, 3-sealing rubber plug I, 31-round hole I, 32-inner round platform I, 33-outer round platform I, 34-first sealing ring groove I, 35-antiskid ring groove I, 4-inner sleeve component I, 5-male end sheath, 51-sheath insert ring I, 511-inner bell mouth, 52-sheath buckle pin I, 6-male end core wire terminal plug, 8-female end sheath, 81-sheath buckle hole II, 9-inner sheath, 91-bevel mouth, 92-annular groove, 93-tail ring, 10-sealing rubber ring, 11-sheath ring groove II, 12-inner sleeve component II, 14-sealing rubber plug II, 141-round hole II, 142-inner round platform II, 143-outer round platform II, 144-first sealing ring groove II, 145-ring groove II, 15-tail ring groove II, 151-a central hole II, 152-a first round table II, 153-a semicircular table II, 154-a sealing installation ring groove II, 155-an ear buckle II, 16-a female end core wire terminal socket, 161-a strip groove, 162-an annular spring groove and 17-a spring clamping ring;
In fig. 26 to 27:
201-male end tail buckle, 202-O type sealing rings I and 203-sealing plug I and 204-male end shell, 205-O type sealing rings II and 206-female end shell, 207-O type sealing rings III and 208-female end tail buckle, 209-sealing plug II, 106-male end core wire plug and 107-female end core wire socket.
Detailed Description
the utility model provides a waterproof FAKRA connector, includes public end sheath 5, public end heart yearn terminal, female end sheath 8 and female end heart yearn terminal, public end sheath main part is square, and the tail end is the cylinder, and public end sheath inner chamber is the cylinder, female end sheath main part is square, and the tail end is the cylinder, and female end sheath inner chamber is the cylinder, public end heart yearn terminal passes through endotheca subassembly I4 and installs in public end sheath inner chamber, and public end heart yearn terminal plug 6 department is at public end sheath front end, and the cable 1 that public end heart yearn terminal is connected passes tail buckle I2 and draws forth the tail end of public end sheath, female end heart yearn terminal passes through endotheca subassembly II 12 and installs in female end sheath inner chamber, and female end heart yearn terminal socket 16 department is at female end sheath front end, and the cable that female end heart yearn terminal is connected passes tail buckle II 15 and draws forth the tail end, The male end core wire terminal plug is connected with the female end core wire terminal socket;
a joint waterproof sealing device is arranged at the joint of the male end sheath 5 and the female end sheath 8, a male end tail buckle waterproof sealing device is arranged at the joint of the tail buckle I2 and the tail end of the male end sheath, and a female end tail buckle waterproof sealing device is arranged at the joint of the tail buckle II 15 and the tail end of the female end sheath;
the waterproof sealing device for the interface comprises a sheath insert ring I51, a sheath ring groove II 11 and a sealing rubber ring 10, the sheath insert ring is connected with the front end of the male end sheath and is connected with the male end sheath into a whole, an inner sheath 9 is arranged between the female end sheath 8 and the inner sheath assembly II 12, the inner sheath comprises a necking section, a middle section and a tail ring 93, the periphery of the tail ring is tightly matched with the tail end of the female end sheath and the tail buckle II 15, the middle section of the tail ring is tightly matched with the female end sheath 8 and the inner sleeve component II 12 respectively, an annular cavity between the necking section at the front end of the jacket and the jacket at the female end forms a jacket ring groove II 11, the sealing rubber ring 10 is arranged in an annular groove on the outer circumference of the necking section, the male end sheath is butted with the female end sheath when in use, the sheath insert ring I51 is inserted into the sheath ring groove II 11 and is tightly matched with the sealing rubber ring 10, so that the butt joint of the male-end sheath and the female-end sheath is sealed;
The waterproof sealing device for the male end tail buckle comprises a sealing rubber plug I3 and a tail buckle I2, wherein the sealing rubber plug I is of a cylindrical structure, the outer diameter of the sealing rubber plug I3 corresponds to the inner diameter of the tail end of a male end sheath, a round hole I31 which is installed in a matched mode with a cable is formed in the center of the sealing rubber plug I, the periphery of the round hole I is sequentially connected with an inner circular truncated cone I32 and an outer circular truncated cone I33, and a cavity between the inner circular truncated cone I and the outer circular truncated cone I forms a first sealing ring groove I34; the tail buckle I2 is of an annular structure, a center hole I21 for leading out a cable is formed in the center of the tail buckle I2, the periphery of the center hole I is sequentially connected with a first round platform I22 and a symmetrically arranged half round platform I23, arc-shaped ear buckles I25 are symmetrically arranged between the two half round platforms I, and a cavity between the first round platform I and the half round platform I as well as the arc-shaped ear buckles I forms a sealing installation ring groove I24; the semi-circular truncated cone I and the arc-shaped ear clip I25 are coaxial, the inner diameter of the semi-circular truncated cone I corresponds to the outer diameter of the tail end of the male end sheath, and the outer diameter of the first circular truncated cone I corresponds to the inner diameter of the circular truncated cone I outside the sealing rubber plug I; the sealing rubber plug I3 is tightly installed in an inner cavity of the tail end of the male end sheath in a matching mode, the bottom surface of the sealing rubber plug I is tightly attached to the inner sleeve component I, a first sealing ring groove I34 of the sealing rubber plug I faces outwards, a round hole I31 of the sealing rubber plug I is tightly matched with a led-out cable, the tail buckle I2 and the sealing rubber plug I3 are installed oppositely, a first round platform I22 of the tail buckle I is sleeved in the first sealing ring groove I34 of the sealing rubber plug I and is tightly matched with the sealing rubber plug I, the tail end of the male end sheath and a round platform I outside the sealing rubber plug I are sleeved in a sealing mounting ring groove I24 of the tail buckle I and are tightly matched with the sealing rubber plug I, and the arc-shaped ear buckles I of the tail buckle I respectively buckle the periphery of the;
the female end tail buckle waterproof sealing device comprises a sealing rubber plug II 14 and a tail buckle II 15, the sealing rubber plug II is the same as the sealing rubber plug I in structure and is also of a cylindrical structure, the outer diameter of the sealing rubber plug II corresponds to the inner diameter of a tail ring of an inner sheath, a round hole II 141 matched with a cable for installation is formed in the center of the sealing rubber plug II, the periphery of the round hole II is sequentially connected with an inner circular platform II 142 and an outer circular platform II 143, a first sealing ring groove II 144 is formed by a cavity between the inner circular platform II and the outer circular platform II, the tail buckle II 15 is the same as the tail buckle I2 in structure and is also of an annular structure, a central hole II 151 leading out the cable is formed in the center of the round hole II, a first circular platform II 152 and a symmetrically arranged half circular platform II 153 are sequentially connected in the periphery of the central hole II, two half arc-shaped ear buckles II 155 are symmetrically arranged between the circular platforms II, and a cavity, the semi-circular truncated cone II and the arc-shaped ear clip II are coaxial, the inner diameter of the semi-circular truncated cone II corresponds to the outer diameter of the tail end of the male end sheath, and the outer diameter of the first circular truncated cone II corresponds to the inner diameter of the circular truncated cone II outside the sealing rubber plug II; sealing rubber plug II 14 tight fit is installed in inner sheath tail ring 93 inner chamber, and the bottom surface of sealing rubber plug II is hugged closely endotheca subassembly II 12, and it is outside that its first sealing ring groove II 144 mouth is outside, and its round hole II 141 closely cooperates with the cable of drawing forth, tail knot II 15 and sealing rubber plug II 14 are installed in opposite directions, and the first round platform II 152 of tail knot II 15 overlaps in the first sealing ring groove II 144 of sealing rubber plug II 14 rather than closely cooperating, and tail ring 93 of inner sheath 9 and the outer round platform II 143 of sealing rubber plug II overlap in the sealing mounting ring groove II 154 of tail knot II rather than closely cooperating, thereby the arc ear of tail knot II 155 detains the knot pin of box end sheath tail end periphery respectively and locks the connection of tail knot II and box end sheath.
the front end of the sheath insert ring I51 is provided with an inner bell mouth 511, and the front end of the inner sheath necking section is provided with an inclined mouth 91, so that the male end sheath and the female end sheath form insertion guide when being butted.
An interface locking device is arranged at an interface of the male end sheath and the female end sheath and comprises a sheath buckling pin I52 and a sheath buckling hole II 81, the sheath buckling pin I is arranged at the front part of the male end sheath, the elastic sheath buckling hole II is arranged at the front part of the female end sheath, and the elastic sheath buckling hole II buckles the sheath buckling pin I in a using state so as to lock the male end sheath and the female end sheath in a locking mode.
an anti-slip ring groove I35 is formed in the outer circumference of the sealing rubber plug I3, and an anti-slip ring groove II 145 is formed in the outer circumference of the sealing rubber plug II 14.
the sealing rubber ring 10 arranged on the necking section of the inner sheath has a plane or an arc surface or an arc multi-layer wavy surface.
an annular groove I for installing a sealing rubber plug I3 is formed in the tail end inner ring side of the male end sheath, the inner diameter of the annular groove I corresponds to the outer diameter of the sealing rubber plug I, the width of the annular groove I corresponds to the height of the sealing rubber plug I, and the end face of the sealing rubber plug I installed in the annular groove I and the tail end face of the male end sheath are located on the same plane; and an annular groove II for mounting the sealing rubber plug II is formed in the tail end inner ring side of the female end sheath, the inner diameter of the annular groove II corresponds to the outer diameter of the sealing rubber plug II, the width of the annular groove II corresponds to the height of the sealing rubber plug II, and the end face of the sealing rubber plug II mounted in the annular groove II and the tail end face of the female end sheath are positioned on the same plane.
the height of the first round table I of the tail buckle I is consistent with the depth of the first sealing ring groove I of the sealing rubber plug I, and the height of the first round table II of the tail buckle II is consistent with the depth of the first sealing ring groove II of the sealing rubber plug II.
The male end sheath, the female end sheath, the tail buckle I and the tail buckle II are made of plastic materials, and the sealing rubber plug I and the sealing rubber plug II are made of plastic materials.
The male end core wire terminal plug 6 is a cylindrical plug, the female end core wire terminal socket 16 is a cylindrical socket with a slightly larger inner diameter, the front end of the female end core wire terminal socket is provided with a strip groove 161 so as to form a plurality of claw petals, a spring clamping ring 17 is arranged in an annular spring groove 162 at the periphery of the claw petals, and the cylindrical plug of the male end core wire terminal plug is inserted into the claw petals of the cylindrical socket and locked by the elasticity of the spring clamping ring when the male end sheath is in butt joint with the female end sheath.
Note: the front end of the male end sheath is the end opposite to the female end sheath, and the front end of the female end sheath is the end opposite to the male end sheath.
Claims (9)
1. A waterproof FAKRA connector comprises a male end sheath (5), a male end core wire terminal, a female end sheath (8) and a female end core wire terminal, wherein the male end sheath main body is square, the tail end is cylindrical, the inner cavity of the male end sheath is cylindrical, the female end sheath main body is square, the tail end is cylindrical, the inner cavity of the female end sheath is cylindrical, the male end core wire terminal is installed in the inner cavity of the male end sheath through an inner sleeve component I (4), a male end core wire terminal plug (6) is located at the front end of the male end sheath, a cable (1) connected with the male end core wire terminal penetrates through a tail buckle I (2) to lead out the tail end of the male end sheath, the female end core wire terminal is installed in the inner cavity of the female end sheath through an inner sleeve component II (12), a female end core wire terminal socket (16) is located at the front end of the female end sheath, the cable connected with the female end core wire terminal penetrates through a tail, when in use, the male end sheath is butted with the female end sheath, and the male end core wire terminal plug is inserted into the female end core wire terminal socket for connection;
The method is characterized in that: a joint waterproof sealing device is arranged at the joint of the male end sheath (5) and the female end sheath (8), a male end tail buckle waterproof sealing device is arranged at the joint of the tail buckle I (2) and the tail end of the male end sheath, and a female end tail buckle waterproof sealing device is arranged at the joint of the tail buckle II (15) and the tail end of the female end sheath;
the waterproof sealing device of the interface comprises a sheath insert ring I (51), a sheath ring groove II (11) and a sealing rubber ring (10), wherein the sheath insert ring is connected to the front end of a male end sheath and is connected with the male end sheath into a whole, an inner sheath (9) is installed between a female end sheath (8) and an inner sheath component II (12), the inner sheath comprises a necking section, a middle section and a tail ring (93), the periphery of the tail ring is tightly matched with the tail end of the female end sheath and a tail buckle II (15), the middle section is tightly matched with the female end sheath (8) and the inner sheath component II (12) respectively, an annular cavity between the necking section of the front end and the female end sheath forms the sheath ring groove II (11), the sealing rubber ring (10) is installed in an annular groove (92) on the outer circumference of the necking section, the male end sheath is butted with the female end sheath in a use state, the sheath insert ring I (51) is tightly matched with the sealing rubber ring (10) in the annular groove II (11), thereby sealing the interface of the male end sheath and the female end sheath;
the waterproof sealing device for the male end tail buckle comprises a sealing rubber plug I (3) and a tail buckle I (2), wherein the sealing rubber plug I is of a cylindrical structure, the outer diameter of the sealing rubber plug I corresponds to the inner diameter of the tail end of a male end sheath, a round hole I (31) which is installed in a matched mode with a cable is formed in the center of the sealing rubber plug I, the periphery of the round hole I is sequentially connected with an inner circular platform I (32) and an outer circular platform I (33), and a cavity between the inner circular platform I and the outer circular platform I forms a first sealing ring groove I (34); the tail buckle I (2) is of an annular structure, a center hole I (21) for leading out a cable is formed in the center of the tail buckle I, the periphery of the center hole I is sequentially connected with a first round platform I (22) and symmetrically arranged half round platforms I (23), arc-shaped ear buckles I (25) are symmetrically arranged between the two half round platforms I, and a cavity between the first round platform I and the half round platforms I and a cavity between the first round platform I and the arc-shaped ear buckles I form a sealing installation ring groove I (24); the semi-circular truncated cone I and the arc-shaped ear clip I are coaxial, the inner diameter of the semi-circular truncated cone I corresponds to the outer diameter of the tail end of the male end sheath, and the outer diameter of the first circular truncated cone I corresponds to the inner diameter of the circular truncated cone I outside the sealing rubber plug I; the sealing rubber plug I (3) is installed in an inner cavity at the tail end of the male end sheath in a tight fit mode, the bottom surface of the sealing rubber plug I is tightly attached to the inner sleeve component I, the opening of a first sealing ring groove I (34) of the sealing rubber plug I faces outwards, a round hole I (31) of the sealing rubber plug I is tightly matched with a led-out cable, the tail buckle I (2) and the sealing rubber plug I (3) are installed oppositely, a first round platform I (22) of the tail buckle I is sleeved in a first sealing ring groove I (34) of the sealing rubber plug I and is tightly matched with the sealing rubber plug I, the tail end of the male end sheath and a round platform I outside the sealing rubber plug I are sleeved in a sealing ring groove I (24) of the tail buckle I and are tightly matched with the sealing ring groove I, and an arc-shaped ear buckle I of the tail buckle I respectively buckles a;
the female end tail buckle waterproof sealing device comprises a sealing rubber plug II (14) and a tail buckle II (15), the sealing rubber plug II is the same as the sealing rubber plug I in structure and is also of a cylindrical structure, the outer diameter of the sealing rubber plug II corresponds to the inner diameter of a tail ring of an inner sheath, a round hole II (141) matched with a cable in installation is formed in the center of the sealing rubber plug II, the periphery of the round hole II is sequentially connected with an inner circular platform II (142) and an outer circular platform II (143), a cavity between the inner circular platform II and the outer circular platform II forms a first sealing ring groove II (144), the tail buckle II (15) is the same as the tail buckle I (2) in structure and is also of an annular structure, a central hole II (151) leading out the cable is formed in the center of the tail buckle II, a first circular platform II (152) and a symmetrically arranged half circular platform II (153) are sequentially connected in periphery of the central hole II, arc-shaped ear buckles II (155) are symmetrically arranged between the two half circular platforms II, and a cavity, the semi-circular truncated cone II and the arc-shaped ear clip II are coaxial, the inner diameter of the semi-circular truncated cone II corresponds to the outer diameter of the tail end of the male end sheath, and the outer diameter of the first circular truncated cone II corresponds to the inner diameter of the circular truncated cone II outside the sealing rubber plug II; sealing rubber plug II (14) tight fit is installed in inner sheath tail ring (93) inner chamber, and inner cover subassembly II (12) are hugged closely to sealing rubber plug II's bottom surface, and its first sealing ring groove II (144) mouth is outside, and its round hole II (141) closely cooperates with the cable of drawing forth, tail is detained II (15) and is installed in opposite directions with sealing rubber plug II (14), and first round platform II (152) cover of tail is detained II and is closely cooperated with it in first sealing ring groove II (144) of sealing rubber plug II, and tail ring (93) and sealing rubber plug II outer round platform II (143) cover of inner sheath (9) are detained II's sealing ring groove II (154) and are closely cooperated with it in tail, thereby the arc ear of tail detaining II (155) respectively detains the knot pin of female end sheath tail end sheath periphery and is detained II and is locked with being connected of female end sheath.
2. the waterproof FAKRA connector of claim 1, wherein: the front end of the sheath insert ring I (51) is provided with an inner horn mouth (511), and the front end of the inner sheath necking section is provided with an inclined mouth (91), so that the male end sheath and the female end sheath form insertion guide when being butted.
3. The waterproof FAKRA connector of claim 2, wherein: interface locking device is equipped with at the kneck of public end sheath and female end sheath, interface locking device includes sheath button pin I (52) and sheath button hole II (81), sheath button pin I is established at public end sheath front portion, and it establishes at female end sheath front portion to have elastic sheath button hole II, thereby elasticity sheath button hole II withholds sheath button pin I during the user state and locks the connection of public end sheath and female end sheath.
4. A waterproof FAKRA connector as claimed in claim 3 wherein: the outer circumference of the sealing rubber plug I (3) is provided with an anti-slip ring groove I (35), and the outer circumference of the sealing rubber plug II (14) is provided with an anti-slip ring groove II (145).
5. The waterproof FAKRA connector of claim 4, wherein: the plane of the sealing rubber ring (10) arranged on the necking section of the inner sheath is an arc surface or an arc multi-layer wavy surface.
6. The waterproof FAKRA connector of claim 5, wherein: the tail end inner ring of the male end sheath is provided with an annular groove I for mounting a sealing rubber plug I (3), the inner diameter of the annular groove I corresponds to the outer diameter of the sealing rubber plug I, the width of the annular groove I corresponds to the height of the sealing rubber plug I, and the end face of the sealing rubber plug I mounted in the annular groove I and the tail end face of the male end sheath are positioned on the same plane; the tail end inner ring of the female end sheath is provided with an annular groove II for mounting a sealing rubber plug II, the inner diameter of the annular groove II corresponds to the outer diameter of the sealing rubber plug II, the width of the annular groove II corresponds to the height of the sealing rubber plug II, and the end face of the sealing rubber plug II mounted in the annular groove II and the tail end face of the female end sheath are located on the same plane.
7. the waterproof FAKRA connector of claim 6, wherein: the height of the first round table I of the tail buckle I is consistent with the depth of the first sealing ring groove I of the sealing rubber plug I, and the height of the first round table II of the tail buckle II is consistent with the depth of the first sealing ring groove II of the sealing rubber plug II.
8. the waterproof FAKRA connector of claim 7, wherein: the male end sheath, the female end sheath, the tail buckle I and the tail buckle II are made of plastic materials, and the sealing rubber plug I and the sealing rubber plug II are made of plastic materials.
9. The waterproof FAKRA connector of claim 8, wherein: the male end core wire terminal plug (6) is a cylindrical plug, the female end core wire terminal socket (16) is a cylindrical socket with a slightly larger inner diameter, the front end of the female end core wire terminal socket is provided with a strip groove (161) to form a plurality of claw petals, a spring clamping ring (17) is arranged in an annular spring groove (162) at the periphery of the claw petals, and the cylindrical plug of the male end core wire terminal plug is inserted into the claw petals of the cylindrical socket and locked by the elasticity of the spring clamping ring when the male end sheath is in butt joint with the female end sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848937.7A CN110581393A (en) | 2019-09-09 | 2019-09-09 | waterproof FAKRA connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848937.7A CN110581393A (en) | 2019-09-09 | 2019-09-09 | waterproof FAKRA connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110581393A true CN110581393A (en) | 2019-12-17 |
Family
ID=68812775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910848937.7A Pending CN110581393A (en) | 2019-09-09 | 2019-09-09 | waterproof FAKRA connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110581393A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290268A (en) * | 2020-10-29 | 2021-01-29 | 河南省鼎润科技实业有限公司 | Connector with double-layer circular elastic sheet structure |
-
2019
- 2019-09-09 CN CN201910848937.7A patent/CN110581393A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290268A (en) * | 2020-10-29 | 2021-01-29 | 河南省鼎润科技实业有限公司 | Connector with double-layer circular elastic sheet structure |
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