CN106159529B - A kind of D-SUB water-proof connector and preparation method thereof - Google Patents
A kind of D-SUB water-proof connector and preparation method thereof Download PDFInfo
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- CN106159529B CN106159529B CN201610651600.3A CN201610651600A CN106159529B CN 106159529 B CN106159529 B CN 106159529B CN 201610651600 A CN201610651600 A CN 201610651600A CN 106159529 B CN106159529 B CN 106159529B
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- insulating base
- back casing
- jack
- insulating
- terminal
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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
-
- 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
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention discloses a kind of D-SUB water-proof connector and preparation method thereof, connector semi-finished product include: insulating base, terminal group, procapsid, back casing, screw, cylinder set and insulating support, jack is formed on insulating base, terminal group is installed in jack, the end of terminal group is stretched out except back casing, and jack is revealed in procapsid；Insulating support and connector semi-finished product integrated injection molding seal assembling between insulating support and connector semi-finished product, form connector finished product；Be between insulating support and connector semi-finished product in this structure it is integrally formed, cancel traditional point glue process, waterproof effect is more preferable, the dependence to proprietary material and dispensing and roasting plant is got rid of, is not influenced by factors such as glue formula, environment, simple flow, it improves efficiency, promotes quality；And it is more stable using its size of integrally formed insulating support, flash will not be generated when secondary low-voltage forms afterwards, and traditional dispensing designs, size is unstable, is easy to produce flash.
Description
Technical field:
The present invention relates to connector technique field, a kind of D-SUB water-proof connector and preparation method thereof is refered in particular to.
Background technique:
Connector is usually to give directions connector, that is, connects the device of two active devices, its effect is very simple: in electricity
It the place of being blocked or is isolated between obstructed circuit in road, erects the bridge of communication, to make current flowing, realize circuit predetermined
Function.D-SUB water-proof connector belongs to a big type of rectangular connector, and D-SUB (D-subminiature) is commonly called as VGA
(Video Graphics Adapter) interface, this is a kind of analog signal interface, has different number of ports on demand, every kind connects
Mouth divides male connector (plug) and female (socket) again.Traditional D-SUB water-proof connector has two panels iron-clad and two panels plastic cement
Body, terminal are lathe process, primarily to designed by Aeronautics and Astronautics and war industry purpose, and finally with electronics
The rapid development of industry especially IT industry, D-SUB water-proof connector have also welcome period of expansion.D-SUB waterproof after improvement connects
Device is connect as traditional D-SUB water-proof connector, it may have two pieces iron-clad and two pieces plastic body, but terminal has changed into punching
Bed is molding, and this improvement reduces costs, and production efficiency is improved, specifically, traditional D-SUB water-proof connector packet
It includes: the main components such as body, terminal group, front and back iron-clad after plastic body, plastic cement, the process of assembly are as follows:
Firstly, body is coupled in plastic body after plastic cement by plastic body is inserted by the terminal group of lathe process, hold
The end of subgroup is worn out after plastic cement, completes first step assembling；
Successively, front and back iron-clad is installed from front and rear sides respectively, body after the plastic body and plastic cement after combination is wrapped in
It is interior；
Then, main body is assembled, main body and front and back iron-clad are integrally fixed with rivet respectively；
Finally, dispensing is to reach waterproof effect.
There is also following disadvantages for the D-SUB water-proof connector of above structure:
1, main body is separately formed, by rivet integrally connected between the iron-clad of front and back, needs the one between three
Installation, process is tedious；
2, traditional D-SUB water-proof connector needs to carry out dispensing after main body installation to reach waterproof effect, dispensing
Quality is influenced by environment temperature, high-temperature baking temperature, time etc., it is difficult to be controlled, furthermore high-temperature baking is to metal parts coating
Meeting accelerated oxidation, damages；And size is unstable after dispensing, and secondary low-voltage is easy to produce flash when forming；Terminal group by
A terminal assembling, process is tedious；
In view of the above-mentioned problems, I proposes following patent application.
Summary of the invention:
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of D-SUB water-proof connector and its production sides
Method.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals: the D-SUB water-proof connector has
A connector semi-finished product, the connector semi-finished product include: insulating base, the terminal group being installed on insulating base and are installed on
Procapsid and back casing outside insulating base are stably connected with by riveted component and by insulating base between procapsid and back casing
Limit is between procapsid and back casing；Jack is formed on insulating base, terminal group is installed in jack, and the end of terminal group
It stretches out except insulating base and back casing, jack is revealed in procapsid；One insulating support, insulating support and connector semi-finished product
Between seal assembling, formed connector finished product；Procapsid is stretched out from the front end of insulating support, and jack is exposed outside, with outside
Plug connection；The end of the terminal group is stretched out from insulating support rear end, to connect with other electrical components.
Furthermore, in above-mentioned technical proposal, the insulating base is exhausted before including: preceding insulating base and being installed on
Rear insulating base on edge pedestal, is provided with the jack for terminal group installation on preceding insulating base, on rear insulating base also at
Type has the perforation that the end for terminal group is pierced by, and limits terminal group by rear insulating base and exits jack；Preceding insulating base is with after
Protrusion and/groove are formed in the one side that insulating base mutually assembles, and are also corresponded on rear insulating base and are formed fluted and/protrusion,
Make correctly to assemble between the two with male cooperation by groove.
Furthermore, in above-mentioned technical proposal, the terminal group is made of several terminals, passes through material between each terminal
Band integrally connected, terminal removes material strip after inserting embedding insulating base before being installed on, before rear insulating base is installed on insulating base,
Multiple terminals are enabled disposably to assemble.
Furthermore, in above-mentioned technical proposal, the terminal includes: pin, the elastic foot for being connected to pin one end
And rear pin, rear pin are set side by side with elastic foot, form insertion gap between the two, insulating support is stretched out in the end of pin
Outside, and the end surface of pin is provided with texture line, and texture line appears from the opening of slot；Pin is upper to form band, cross
Line is located at the lower section of texture line, and band is the tongue and groove being laterally opened on pin, so that insulating support and connector semi-finished product
Limit and waterproof action are played after integrated injection molding；A curved bending part is connected between the pin and elastic foot, it is curved curved
The side that folding part is connect with elastic foot is in " S " type；Hanging platform, hanging platform are formed in the two sides of the joint of curved bending part and pin
It is inclined outwardly extension to two sides, and the extending direction of two hanging platforms is opposite；It is arranged on the hole wall of preceding its jack of insulating base
There is the installing port with hanging platform cooperation, hanging platform and installing port cooperate to limit terminal in jack internal shift；The elastic foot two sides
Stuck point is formed, which matches to form interference with the hole wall of jack on preceding insulating base.
Furthermore, in above-mentioned technical proposal, positive stop lug boss is formed on the insulating support, positive stop lug boss is along end
The direction that is pierced by of subgroup forms slot, and slot is connected to jack, and the end of terminal group limits in slot；The side of slot is set
It is equipped with opening, the side wall of terminal group end is enabled to appear from opening to be welded.
Furthermore, in above-mentioned technical proposal, the terminal includes: contact portion, interconnecting piece and lead portion, interconnecting piece
It is connected between contact portion and lead portion；Contact portion is installed in jack, lead portion stretch out insulating support outside, on interconnecting piece at
Type has annular groove, is cooperated by the annular groove and preceding insulating base, is installed on terminal stabilization in jack, and pass through annular groove
It is after insulating support integrated injection molding through male and fomale(M&F) with closing limit and waterproof action.
Furthermore, in above-mentioned technical proposal, the procapsid and back casing include: body and along body end
Outwardly extending support chip is held, insulating base is installed in the space formed between body；It is formed on the support chip of procapsid
There is a symmetrical hook portion, hook portion buckling of shells backwards passes through obvolvent between fit and back casing before hook portion enables；The rear insulation base
Seat appears from back casing, and interference is formed between the body edge and rear insulating base of back casing；The riveted component includes: set
Cylinder and the screw being installed in sleeve；Screw hole has been correspondingly formed on the procapsid and back casing；Outside the sleeve
Formed on wall formed on fluted, described sleeve outer wall it is fluted, the groove with after insulating support integrated injection molding lead to
It crosses and matching for male and fomale(M&F) closes limit and waterproof action.
The production method of above-mentioned D-SUB water-proof connector, including following assembling steps:
Step 1: the front end of terminal is inserted into the jack that insulating base is opened up before the terminal in terminal group is installed on
Jack, end are stretched out from preceding insulating base rear end；
Step 2: rear insulating base is fastened from the rear end of preceding insulating base, the end of terminal is passed through on rear insulating base
Molding perforation after covering rear insulating base, is completed between preceding insulating base and rear insulating base；
It is combined step 3: procapsid, back casing are matched from the front end of preceding insulating base and the rear end of rear insulating base respectively
Dress makes insulating base limit between procapsid and back casing, and after assembling, the circular through hole of preceding insulating base front end is from procapsid
Appear, the end of terminal is stretched out except back casing；
Step 4: by hook portion bending molding on procapsid, and act on back casing, i.e., by procapsid and back casing
Riveted；
Step 5: mounting screw on the screw hole opened up is corresponded in front and rear housings, in the side installation set on back casing
Cylinder, and sleeve is subjected to riveting, front and rear housings is fixed by the effect of screw and sleeve；
Step 6: obtaining connector semi-finished product afterwards through the above steps, integrated injection molding has on connector semi-finished product
Insulating support show that connector finished product, insulating support are coated on except back casing after injection molding, connector semi-finished product terminal
Insulating support rear end is stretched out in end；
Step 7:, in being formed with mounting groove on the front of insulating support, sealing ring is installed after insulating support injection molding
In mounting groove.
Furthermore, in above-mentioned production method, in the 6th step, mold and connection of the insulating support by customization
Device semi-finished product integrated injection molding is realized between back casing after injection molding and is tightly connected.
Furthermore, in above-mentioned production method, in the 6th step, insulating support injection molding is with a thickness of 1.4-
1.6mm, the length that terminal ends are stretched out except insulating support are 2.8mm.
After adopting the above technical scheme, compared with prior art, the present invention has the following advantages:
1, be between insulating support and connector semi-finished product in this structure it is integrally formed, cancel traditional point glue process,
Waterproof effect is more preferable, gets rid of the dependence to proprietary material and dispensing and roasting plant, not by the factors shadow such as glue formula, environment
It rings, simple flow improves efficiency, and promotes quality；And it is more stable using its size of integrally formed insulating support, afterwards two
Flash will not be generated when secondary low pressure molding, and traditional dispensing designs, size is unstable, is easy to produce flash；
2, after this structure optimization, the thickness of insulating support is reduced to 1.5mm, and traditional dispensing is with a thickness of 2.3mm, into one
Step slimming, and the length of welding section is promoted to 2.8mm by traditional 2.5mm, can obtain more preferably weldability；
3, the terminal in this structure is stamped terminals, increases texture line on the pin of terminal, can obtain good welding
Performance is separated by positive stop lug boss itself between pin, meets bonding wire positioning while the company's of effectivelying prevent tin；
4, hanging platform and band are provided in this structure on terminal, hanging platform can prevent terminal in jack internal shift, and horizontal
Line can prevent from rushing glue inside insulating base when insulating support forms；It is additionally provided with stuck point on terminal, assembling pine can be prevented
It is de-, reduce assembly failure.
Detailed description of the invention:
Fig. 1 is the perspective view of the embodiment of the present invention one；
Fig. 2 is the perspective view of another angle of the embodiment of the present invention one；
Fig. 3 is the cross-sectional view of the embodiment of the present invention one；
Fig. 4 is the perspective view of terminal in the embodiment of the present invention one；
Fig. 5 is the exploded view one of the embodiment of the present invention one；
Fig. 6 is the exploded view two of the embodiment of the present invention one；
Fig. 7 A-7I is the assembly process figure of the embodiment of the present invention one；
Fig. 8 is the exploded view of the embodiment of the present invention two；
Fig. 9 A-9I is the assembly process figure of embodiment two in the present invention.
Specific embodiment:
The present invention is further described with attached drawing combined with specific embodiments below.
Embodiment one:
As shown in figure 1 to 3, a kind of D-SUB water-proof connector, has a connector semi-finished product, and connector semi-finished product include:
Insulating base, the terminal group 6 being installed on insulating base and the procapsid 3 and back casing 4 that are installed on outside insulating base, front housing
It is stably connected with and by insulating base limit between procapsid 3 and back casing 4 between body 3 and back casing 4 by riveted component 7,
Connector semi-finished product end is connected with an insulating support 5, is tightly connected between insulating support 5 and connector semi-finished product.
As shown in Fig. 5-6, after the insulating base includes: preceding insulating base 1 and is installed on preceding insulating base 1
Insulating base 2 is provided with the jack 11 installed for terminal group 6 on preceding insulating base 1, and jack 11 is after preceding insulating base 1
End forward end opens up, and offers circular through hole 12 in the front end of preceding insulating base 1, circular through hole 12 is connected to jack 11, with side
Just the extraneous terminal being inserted into circular through hole 12 is connect with the terminal group being installed in jack 11.
The rear insulating base 2 forms perforation 21 on rear insulating base 2, and the end of terminal group 6 passes through perforation 21
It stretches out, rear insulating base 2 forms locating piece with what preceding 1 phase of insulating base assembled on one side, and clip slot 24, folder are formed between locating piece
Slot 24 is located in perforation 21, can be positioned with auxiliary terminal group 6, another relative to cooperating with preceding insulating base 1 in rear insulating base 2
Boss 20 is formed on one side.
Protrusion and/groove are formed in the one side that preceding insulating base 1 is assembled with rear 2 phase of insulating base, on rear insulating base 2
Also corresponding molding is fluted and/protrusion, and specifically, preceding insulating base 1, which opens up, to be offered on the rear end face of through-hole 12 in edge
Both groove 13 and protrusion 14, it is corresponding on rear insulating base 2 to form protrusion 22 and groove 23, made by groove and male cooperation
Between correctly assemble, will not generate displacement, assemble more stable.
As shown in Figure 4, the terminal group 6 is made of several identical terminals, and terminal includes: pin 61, is connected to and draws
The elastic foot 62 of 61 one end of foot and rear pin 63, rear pin 63 are set side by side with elastic foot 62, and the two end is same to be connected to weldering
The front end of pin 61 is connect, forms insertion gap between the two.The front end of elastic foot 62 and rear pin 63 is respectively formed contact portion, pin
After 61 end is stretched out outside insulating base 2.A curved bending part 64, curved bending part are connected between pin 61 and elastic foot 62
64 sides connecting with elastic foot 62 are in " S " type, and elastic foot 62 and rear pin 63 is made to have the tendency of relative movement, when there is the external world
Terminal is inserted by circular through hole, and is inserted into being formed by gap and making elastic foot between elastic foot 62 and rear pin 63
62 generate elastic deformation far from the movement of rear pin 63, pass through curved bending part 64 and provide the bullet of pin 63 after elastic foot 62 tends to
Power further makes to be stably connected between terminal and extraneous terminal.
The elastic foot 62 and rear pin 63 of terminal front end are inserted into from jack 11, and the pin 61 of terminal ends is exposed outside, and are
It prevents the terminal from shifting in preceding insulating base 1, forms hanging platform in curved bending part 64 and the two sides of the joint of pin 61
65, hanging platform 65 is inclined outwardly extension to terminal two sides, and the extending direction of two hanging platforms 65 is opposite；Its jack 11 of preceding insulating base 1
Hole wall on be provided with hanging platform 65 cooperate installing port 111, after assembling, 65 lower end surface of hanging platform is supported on installing port 111, hang
In the upper surface support of platform 65 and the locating piece of rear insulating base 2, to limit terminal in 11 internal shift of jack.
The procapsid 3 and back casing 4 includes: body 31,41 and along body 31, the outwardly extending branch in 41 ends
Blade 32,42, insulating base are installed in the space formed between body 31,41；It is formed on the support chip 32 of procapsid 3
Symmetrical hook portion 33, obvolvent between zoarium 3 and back casing 4 before being enabled by hook portion 33；Procapsid 3 and back casing 4 use metal material
Matter is made, generally selection ferrous metal, has shielding action.Above-mentioned procapsid 3 and back casing 4 is to form support chip 32,42
One end be end, the opposite other end be front end.The preceding insulating base 1 appears from the front end of procapsid 3, facilitates circle
Through-hole 12 is inserted into extraneous terminal, and rear insulating base 2 appears from the front end of back casing 4, and 41 edge of body of 4 front end of back casing is with after
Interference, the i.e. side wall of its opening of the body 41 of 4 front end of back casing and 20 side of boss are formed between the side wall of its boss 20 of insulating base 2
Wall leans.
The riveted component 7 includes: sleeve 71 and the screw being installed in sleeve 71 72；Procapsid 3 and back casing 4
On be correspondingly formed screw hole, by riveted component 7 by 4 limiting locking of procapsid 3 and back casing.It is formed on 71 outer wall of sleeve
Groove.
The insulating support 5 and connector semi-finished product is integrally formed, and be can be realized sealed connection after integrated molding, is not necessarily to
Subsequent glue process is carried out again.Insulating support 5 uses plastic cement material, using mold integrated injection molding.
The insulating support 5 has installation position after forming, which includes: the first installation position 51 and the second installation position
52, the second installation position 52 is formed along the edge of the first installation position 51, and connector semi-finished product are from rear end (i.e. terminal stretch out one end)
It is installed in the first installation position 51, support chip 42 is supported in the second installation 52, and support chip 32 is emerging in the second installation position 52
Surface.Insulating support 5 cooperates embedding with the hook portion 33 on support chip 32 after using integrated formed structure, insulating support 5 to form
Enter position 521, the shape setting of the corresponding hook portion 33 in insertion position 521.It realizes sealed connection between the support chip 32 of procapsid 3,
Without gluing waterproof, saving process, and the insulating support 5 after integrated molding additionally with a thickness of 1.5mm, and traditional gluing is thick
Degree is 2.3mm, it is clear that integrally formed insulating support is better than traditional black glue.
Insulating support 5 is in offering jack 511 on the bottom wall of the first installation position 51, the end of terminal, i.e. pin 61 are through inserting
Hole 511 is pierced by except insulating support 5；Be provided with location hole 53 on insulating support 5, location hole 53 at the time of molding, due to sleeve
The male-female engagement of 71 outer wall, it enables the inner wall of location hole 53 also form corresponding male and fomale(M&F), is connected by male-female engagement order
It connects and stablizes assembly between device semi-finished product and insulating support 5；After insulating support 5 is integrally formed, the end face of support chip 32 and the second peace
It fills 52 end face of position to maintain an equal level, and seamless between the two, good waterproof action can be played.
Positive stop lug boss 54 is formed on insulating support 5, positive stop lug boss 54 forms slot along the direction that is pierced by of terminal group
541, slot 541 is connected to jack 511, and pin 61 limits in slot 541, and the side of slot 541 is provided with opening 542, draws
61 side wall of foot appears from opening 542 to be welded.Divided in itself between the pin 61 of each terminal by positive stop lug boss 54
The case where separating, can satisfy bonding wire positioning while effectivelying prevent welding Shi Lianxi.In on insulating support 5 along the second installation position 52
It is provided with groove body 55, sealing ring 8 is installed in groove body 55.
In order to advanced optimize welding performance, the end surface of pin 61 is provided with texture line 611, texture line 611 from
The opening 542 of slot 541 appears.
In order to increase terminal performance, improvement below can also be carried out to terminal: form band on the pin 61
612, band 612 is located at the lower section of texture line 611, and band 612 is specially the lateral groove body for taking shape in 61 surface of pin, the band
612 can prevent when insulating support 5 forms, and colloid pours the inside of insulating base；In forming card on elastic foot 62
Point, stuck point take shape in the two sides of elastic foot 63, cooperate with the inner wall of jack 11, can prevent assembling from loosening.
The present invention is provided with multiple for after connector semi-finished product and insulating support integrated injection molding on connector is half-formed
Play the improvement position of limit and waterproof action:
1, it is arranged fluted on drum outer wall, can has in insulating support integrated injection molding, on insulating support recessed with this
The flange collar of slot male-female engagement can play the role of limit by concave-convex cooperation, prevent the disengaging of insulating support, in addition, because
All there is certain deformation expanded with heat and contract with cold for plasthetics, if directly combined by plane, be easy to make two expanding with heat and contract with cold
Gap is formed between person, water easily flows into, but is designed to male-female engagement face, even if between foring in the case where expanding with heat and contract with cold
Gap, but the gap be it is winding, the inflow of water can be blocked, therefore, good waterproof action can be played；Equally, it is holding
Band is set on son, principle be also it is the same, band is the tongue and groove being laterally opened on pin, make insulating support with connect
Limit and waterproof action are played after device semi-finished product integrated injection molding, the waterproof principle is consistent with the groove on sleeve outer wall；
2, the hook portion on procapsid and when insulating support integrated injection molding, insulating support corresponds to hook portion and also forms a card
Position, can limit the disengaging of hook portion, conversely, namely limiting the separation between insulating support and connector semi-finished product；
By the improvement of this above-mentioned two o'clock, so that the present invention has good waterproof performance.
See that Fig. 7 A-7I is the production method of the present embodiment comprising following steps:
Step 1: in the jack that the terminal group in terminal group is opened up loaded on the preceding insulating base of insulating base, terminal
Front end be inserted into jack, end is stretched out from preceding insulating base rear end；
Step 2: rear insulating base is fastened from the rear end of preceding insulating base, the end of terminal is passed through on rear insulating base
Molding perforation after covering rear insulating base, is completed between preceding insulating base and rear insulating base；
It is combined step 3: procapsid, back casing are matched from the front end of preceding insulating base and the rear end of rear insulating base respectively
Dress makes insulating base limit between procapsid and back casing, and after assembling, the circular through hole of preceding insulating base front end is from procapsid
Appear, the end of terminal is stretched out except back casing；
Step 4: by hook portion bending molding on procapsid, and act on back casing, i.e., by front housing and back casing riveting
It closes；
Step 5: the side installation set in front and rear housings on the corresponding screw hole opened up on mounting screw, with back casing
Cylinder, and sleeve is subjected to flange, front and rear housings is fixed by the effect of screw and sleeve；
Step 6: obtaining connector semi-finished product afterwards through the above steps, integrated injection molding has on connector semi-finished product
Insulating support, after injection molding, insulating support is coated on except back casing, and insulation branch is stretched out in the end of connector semi-finished product terminal
Frame rear end；
Step 7:, in being formed with mounting groove on the front of insulating support, sealing ring is installed after insulating support injection molding
In mounting groove.
In 6th step, mold and connector semi-finished product integrated injection molding of the insulating support by customization, injection molding
After molding between back casing realize be tightly connected, due to the outer wall of sleeve 71 formed it is fluted, then insulating support 5 is being molded
The hole cooperated with sleeve 71, and male-female engagement, more stationarity between 71 outer wall of hole wall and sleeve are also formed with when molding.It is logical
Cross above-mentioned assembling mode, insulating support injection molding is with a thickness of 1.4-1.6mm, the insulating support of injection molding in the present embodiment
5 with a thickness of 1.5mm, and the welding section of terminal can reach 2.8mm, and the weldering of traditional its terminal of D-SUB water-proof connector
Meeting area is 2.5mm, it is clear that better than traditional D-SUB water-proof connector.
Embodiment two:
As shown in Figure 8, a kind of D-SUB water-proof connector has a connector semi-finished product, and connector semi-finished product include: exhausted
Edge pedestal, the terminal group 6A being installed on insulating base and the procapsid 3 and back casing 4 that are installed on outside insulating base, front housing
It is stably connected with and by insulating base limit between procapsid 3 and back casing 4 between body 3 and back casing 4 by riveted component 7,
Connector semi-finished product end is connected with an insulating support 5, is tightly connected between insulating support 5 and connector semi-finished product.
The insulating base includes: preceding insulating base 1 and the rear insulating base 2 that is installed on preceding insulating base 1, preceding
The jack 11 installed for terminal group 6 is provided on insulating base 1, jack 11 is opened up from the rear end forward end of preceding insulating base 1,
Circular through hole 12 is offered in the front end of preceding insulating base 1, circular through hole 12 is connected to jack 11, to facilitate insertion circular through hole
Extraneous terminal in 12 is connect with the terminal group being installed in jack 11；It is mutually assembled between preceding insulating base 1 and rear insulating base 2
Opposite face formed male-female engagement, can effectively prevent insulating support 5 molding make excessive glue, can also obtain better waterproof effect.
Shown in terminal group 6A there are multiple independent terminals to constitute, each terminal includes: contact portion 61A, interconnecting piece 62A and draws
Foot 63A, interconnecting piece 62A are connected between contact portion 61A and lead portion 63A；Contact portion 63A is installed in jack 11, pin
Portion 63A stretches out outside insulating support 5, in forming annular groove 621A on interconnecting piece 62A, passes through annular groove 621A and preceding insulation base
Seat 1 cooperates, and is installed on terminal stabilization in jack 11.
Terminal used in the present embodiment is vehicle terminal, the molding annular groove 621A of institute and jack on interconnecting piece 62A
11 inner wall, which matches to merge, forms interference, to prevent 5 injection molding excessive glue of insulating support from entering, to obtain good sealing effect
Fruit.
The structure and embodiment one of the procapsid 3, back casing 4 and riveted component 7 are consistent, no longer go to live in the household of one's in-laws on getting married one by one herein
It states.
The insulating support 5 and connector semi-finished product is integrally formed, and be can be realized sealed connection after integrated molding, is not necessarily to
Subsequent glue process is carried out again.Insulating support 5 uses plastic cement material, using mold integrated injection molding.
The insulating support 5 has installation position after forming, which includes: the first installation position 51 and the second installation position
52, the second installation position 52 is formed along the edge of the first installation position 51, and connector semi-finished product are from rear end (i.e. terminal stretch out one end)
It is installed in the first installation position 51, support chip 42 is supported in the second installation 52, and support chip 32 is emerging in the second installation position 52
Surface.Insulating support 5 cooperates embedding with the hook portion 33 on support chip 32 after using integrated formed structure, insulating support 5 to form
Enter position 521, the shape setting of the corresponding hook portion 33 in insertion position 521.It realizes sealed connection between the support chip 32 of procapsid 3,
Without gluing waterproof, saving process, and the insulating support 5 after integrated molding additionally with a thickness of 1.5mm, and traditional gluing is thick
Degree is 2.3mm, it is clear that integrally formed insulating support is better than traditional black glue.After 5 integrated injection molding of insulating support, end
The lead portion 63A of subgroup 6A is stretched out from 5 end of insulating support.
The present invention is provided with multiple for after connector semi-finished product and insulating support integrated injection molding on connector is half-formed
Play the improvement position of limit and waterproof action:
1, it is arranged fluted on drum outer wall, can has in insulating support integrated injection molding, on insulating support recessed with this
The flange collar of slot male-female engagement can play the role of limit by concave-convex cooperation, prevent the disengaging of insulating support, in addition, because
All there is certain deformation expanded with heat and contract with cold for plasthetics, if directly combined by plane, be easy to make two expanding with heat and contract with cold
Gap is formed between person, water easily flows into, but is designed to male-female engagement face, even if between foring in the case where expanding with heat and contract with cold
Gap, but the gap be it is winding, the inflow of water can be blocked, therefore, good waterproof action can be played；Equally, it is holding
Annular groove is provided on son, with after insulating support integrated injection molding, by the cooperation of male and fomale(M&F) make insulating support with connect
Limit and waterproof action are played between device semi-finished product, the waterproof principle is consistent with the groove on sleeve outer wall；
2, the hook portion on procapsid and when insulating support integrated injection molding, insulating support corresponds to hook portion and also forms a card
Position, can limit the disengaging of hook portion, conversely, namely limiting the separation between insulating support and connector semi-finished product；
By the improvement of this above-mentioned two o'clock, so that the present invention has good waterproof performance.
It is the production method of the present embodiment comprising following steps as shown in Fig. 9 A to Fig. 9 I:
Step 1: in the jack that the terminal group in terminal group is opened up loaded on the preceding insulating base of insulating base, terminal
Front end be inserted into jack, end is stretched out from preceding insulating base rear end；
Step 2: rear insulating base is fastened from the rear end of preceding insulating base, the end of terminal is passed through on rear insulating base
Molding perforation after covering rear insulating base, is completed between preceding insulating base and rear insulating base；
It is combined step 3: procapsid, back casing are matched from the front end of preceding insulating base and the rear end of rear insulating base respectively
Dress makes insulating base limit between procapsid and back casing, and after assembling, the circular through hole of preceding insulating base front end is from procapsid
Appear, the end of terminal is stretched out except back casing；
Step 4: by hook portion bending molding on procapsid, and act on back casing, i.e., by front housing and back casing riveting
It closes；
Step 5: the side installation set in front and rear housings on the corresponding screw hole opened up on mounting screw, with back casing
Cylinder, and sleeve is subjected to flange, front and rear housings is fixed by the effect of screw and sleeve；
Step 6: obtaining connector semi-finished product afterwards through the above steps, integrated injection molding has on connector semi-finished product
Insulating support, after injection molding, insulating support is coated on except back casing, and insulation branch is stretched out in the end of connector semi-finished product terminal
Frame rear end；
Step 7:, in being formed with mounting groove on the front of insulating support, sealing ring is installed after insulating support injection molding
In mounting groove.
In 6th step, mold and connector semi-finished product integrated injection molding of the insulating support by customization, injection molding
It realizes and is tightly connected between back casing after molding, and terminal connection part 62A upper groove can prevent insulating base inner wall excessive glue；
By above-mentioned assembling mode, insulating support injection molding is with a thickness of 1.4-1.6mm, the insulation branch of injection molding in the present embodiment
Frame 5 is with a thickness of 1.5mm, and the welding section of terminal can reach 2.8mm, and traditional its terminal of D-SUB water-proof connector
Welding section is 2.5mm, it is clear that better than traditional D-SUB water-proof connector.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should be included in Shen of the present invention
It please be in the scope of the patents.
Claims (8)
1. a kind of D-SUB water-proof connector has a connector semi-finished product, it is characterised in that: the connector semi-finished product include: exhausted
Edge pedestal, the terminal group being installed on insulating base and the procapsid and back casing that are installed on outside insulating base, procapsid and
It is stably connected with and by insulating base limit between procapsid and back casing between back casing by riveted component；On insulating base
Jack is formed, terminal group is installed in jack, and the end of terminal group is stretched out except insulating base and back casing, and jack appears
In procapsid；
One insulating support seals assembling between insulating support and connector semi-finished product, form connector finished product；Procapsid is from insulation
The front end of bracket is stretched out, and jack is exposed outside, to connect with external plug；The end of the terminal group is from insulating support rear end
It stretches out, to be connect with other electrical components；Positive stop lug boss is formed on insulating support, positive stop lug boss is pierced by direction along terminal group
Form slot；
The insulating base includes: preceding insulating base and the rear insulating base that is installed on preceding insulating base, preceding insulation base
The jack for terminal group installation is provided on seat；
The terminal group is made of several terminals；Terminal include: pin, the elastic foot for being connected to pin one end and after draw
Foot, rear pin are set side by side with elastic foot, form insertion gap between the two, the end of pin is stretched out outside insulating support, and is drawn
The end surface of foot is provided with texture line, and texture line appears from the opening of slot；Pin is upper to form band, and band, which is located at, stings
The lower section of decorative pattern, band is the tongue and groove being laterally opened on pin, so that insulating support and connector semi-finished product integrated injection molding
After play limit and waterproof action；
A curved bending part is connected between the pin and elastic foot, the side that curved bending part is connect with elastic foot is in
" S " type；Hanging platform is formed in the two sides of the joint of curved bending part and pin, hanging platform is inclined outwardly extension, and two to two sides
The extending direction of hanging platform is opposite；It is provided with the installing port with hanging platform cooperation on the hole wall of preceding its jack of insulating base, hangs
Platform and installing port cooperate to limit terminal in jack internal shift；The elastic foot two sides form stuck point, the stuck point and it is preceding absolutely
The hole wall of jack matches to form interference on edge pedestal.
2. a kind of D-SUB water-proof connector according to claim 1, it is characterised in that: before the insulating base includes:
Insulating base and the rear insulating base being installed on preceding insulating base are provided on preceding insulating base for terminal group installation
Jack also forms the perforation being pierced by for the end of terminal group on rear insulating base, limits terminal group by rear insulating base and moves back
Jack out；Protrusion and/groove are formed in the one side that preceding insulating base is mutually assembled with rear insulating base, it is also right on rear insulating base
Fluted and/protrusion should be formed, makes correctly to assemble between the two with male cooperation by groove.
3. a kind of D-SUB water-proof connector according to claim 2, it is characterised in that: the terminal group is by several ends
Son is constituted, and by material strip integrally connected between each terminal, terminal removes material strip after inserting embedding insulating base before being installed on, and is insulated by after
Before pedestal is installed on insulating base, multiple terminals is enabled disposably to assemble.
4. a kind of D-SUB water-proof connector according to claim 1, it is characterised in that: formed on the insulating support
There is positive stop lug boss, positive stop lug boss forms slot along the direction that is pierced by of terminal group, and slot is connected to jack, the end limit of terminal group
Position is in slot；The side of slot is provided with opening, and the side wall of terminal group end is enabled to appear from opening to be welded.
5. a kind of D-SUB water-proof connector described in any one of -4 according to claim 1, it is characterised in that: before described
Shell and back casing include: body and along the outwardly extending support chip in body end, and insulating base is installed between body
In the space of formation；In forming symmetrical hook portion on the support chip of procapsid, hook portion buckling of shells backwards, before being enabled by hook portion
Obvolvent between fit and back casing；The rear insulating base appears from back casing, the body edge of back casing and rear insulation
Interference is formed between pedestal；
The screw that the riveted component includes: sleeve and is installed in sleeve；It is corresponding on the procapsid and back casing
It is formed with screw hole；Formed on the sleeve outer wall it is fluted, the groove with pass through after insulating support integrated injection molding
Matching for male and fomale(M&F) closes limit and waterproof action.
6. a kind of production method of D-SUB water-proof connector, it is characterised in that: itself including following assembling steps:
Step 1: jack is inserted into the front end of terminal in the jack that insulating base is opened up before the terminal in terminal group is installed on,
End is stretched out from preceding insulating base rear end；
Step 2: rear insulating base is fastened from the rear end of preceding insulating base, the end of terminal passes through to be formed on rear insulating base
Perforation, after covering rear insulating base, be completed between preceding insulating base and rear insulating base；
Step 3: procapsid, back casing make respectively from the front end of preceding insulating base and the cooperation assembling of the rear end of rear insulating base
Insulating base limits between procapsid and back casing, and after assembling, the circular through hole of preceding insulating base front end appears from procapsid,
The end of terminal is stretched out except back casing；
Step 4: by hook portion bending molding on procapsid, and act on back casing, i.e., by procapsid and back casing riveting
It closes；
Step 5: mounting screw on the screw hole opened up is corresponded in front and rear housings, in the side installation sleeve on back casing, and
Sleeve is subjected to riveting, front and rear housings is fixed by the effect of screw and sleeve；
Step 6: obtaining connector semi-finished product afterwards through the above steps, integrated injection molding has insulation on connector semi-finished product
Bracket show that connector finished product, insulating support are coated on except back casing after injection molding, the end of connector semi-finished product terminal
Stretch out insulating support rear end；
Step 7:, in being formed with mounting groove on the front of insulating support, sealing ring is installed on after insulating support injection molding
In tankage.
7. a kind of production method of D-SUB water-proof connector according to claim 6, it is characterised in that: described the 6th
In step, insulating support passes through the mold and connector semi-finished product integrated injection molding of customization, after injection molding between back casing
It realizes and is tightly connected.
8. a kind of production method of D-SUB water-proof connector according to claim 6, it is characterised in that: described the 6th
In step, with a thickness of 1.4-1.6mm, the length that terminal ends are stretched out except insulating support is 2.8mm for insulating support injection molding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610651600.3A CN106159529B (en) | 2016-08-10 | 2016-08-10 | A kind of D-SUB water-proof connector and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610651600.3A CN106159529B (en) | 2016-08-10 | 2016-08-10 | A kind of D-SUB water-proof connector and preparation method thereof |
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| CN106159529B true CN106159529B (en) | 2019-07-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698430A (en) * | 2017-10-23 | 2019-04-30 | 广东皓英电子科技有限公司 | Pin connector |
| CN108173063A (en) * | 2018-02-09 | 2018-06-15 | 东莞市扬志精密五金有限公司 | A kind of needle stand waterproof male and female head |
| CN110391533A (en) * | 2018-04-17 | 2019-10-29 | 艾默林汽车活动组件(无锡)有限公司 | The automobile headlamp adjusting device of connector and the application connector |
| CN109546382B (en) * | 2018-12-11 | 2024-04-26 | 昆山维康电子有限公司 | Waterproof connector production process and waterproof connector |
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| EP1011174A2 (en) * | 1998-12-16 | 2000-06-21 | Andreas Aschenbrenner | Sealed plug connector and method of manufacturing |
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| CN106159529A (en) | 2016-11-23 |
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