CN109546382A - A kind of production technology and water-proof connector of water-proof connector - Google Patents
A kind of production technology and water-proof connector of water-proof connector Download PDFInfo
- Publication number
- CN109546382A CN109546382A CN201811511679.5A CN201811511679A CN109546382A CN 109546382 A CN109546382 A CN 109546382A CN 201811511679 A CN201811511679 A CN 201811511679A CN 109546382 A CN109546382 A CN 109546382A
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- Prior art keywords
- insulation shell
- protruding portion
- section radius
- terminal
- water
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 101
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000005476 soldering Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims description 38
- 230000010412 perfusion Effects 0.000 claims description 20
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- 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
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/029—Welded connections
-
- 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
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0256—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for soldering or welding connectors to a printed circuit board
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The present invention relates to connector technique fields, refer in particular to a kind of production technology of water-proof connector, it realizes water-proof function by being provided with falope in insulation shell, and realize that a terminal is welded with pcb board by the technique of Reflow Soldering, to avoid terminal from being oxidized in welding, and then avoids the bad phenomenon of termination contact and occur.Meanwhile the present invention also provides a kind of water-proof connector, made using above-mentioned production technology, is provided simultaneously with waterproof and prevents bad two advantages of termination contact.
Description
Technical field
The present invention relates to connector technique fields, refer in particular to the production technology and waterproof connection of a kind of water-proof connector
Device.
Background technique
D-Sub connector is the connector of a kind of analog signal or digital signal.In general, in order to guarantee D-Sub
Two equipment can be connected in connector so that can safely and steadly carry out data exchange between two equipment, on the market for
D-Sub connector, which prevents short circuit, prevents poor contact etc. requires.
And currently, being easiest to cause that short circuit occurs for connector is to have extraneous moisture to enter in connector；And by
When terminal and pcb board are welded, current connector is all to be carried out by the way of wave soldering, therefore will lead to
Terminal is easy to cause terminal to aoxidize because temperature is excessively high, so that occurring the phenomenon that poor contact.And current existing skill
In art, propose a solution simultaneously for above-mentioned two technical problem there are no special.
Summary of the invention
The present invention provides a kind of production technology of water-proof connector for problem of the prior art, can produce have it is anti-
It is aqueous can and the high connector of terminal stability.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of production technology of water-proof connector provided by the invention, comprising the following steps:
A, the bottom of the self-insulating shell of several butt is inserted into the insulation shell, terminal stretches out the insulation shell
Top；
B, it is equipped with metal-back in the top cover of insulation shell, several butt are respectively positioned in the metal-back；Then screw is used
It is fixed on the insulation shell from after passing through the metal-back, the screw stretches out the bottom of the insulation shell；
C, fixed glue is perfused toward the bottom of the insulation shell, passes through the fixed terminal of fixed glue and the screw；
D, it is provided with cricoid capillary groove at the top of the insulation shell, and is equipped with falope in capillary groove content；
E, it is provided on pcb board respectively with the one-to-one welding position of several butts, each welding position is respectively set
There is solder；
F, terminal is respectively welded by reflow soldering process in welding position.
Further, between step b and step c, further includes: b ', screw is stretched out one end of the insulation shell into
Row riveted forms riveting part.
Further, before step a, further includes: the bottom of insulation shell a ', is provided with perfusion slot, the perfusion slot
Inner sidewall be provided with inclined-plane, inclined-plane is from the bottom of the insulation shell to the top of the insulation shell to contract.
Further, before step a, further includes: the sequentially connected external connection portion of the stamped formation of a ", terminal, first dash forward
Portion, first connecting portion, the second protruding portion, second connecting portion and third protruding portion out, wherein the section radius of the first protruding portion,
The section radius of two protruding portions and the section radius of third protruding portion are all the same, the section radius of external connection portion, first connecting portion
Section radius and the section radius of second connecting portion are all the same, and the section radius of the first protruding portion is greater than the section of first connecting portion
Radius；First protruding portion is set in insulation shell, and the second protruding portion is set to the junction of insulation shell and fixed glue, and second is prominent
Portion and welding position are welded.
The present invention also provides a kind of above-mentioned production technology water-proof connectors produced of application, including metal-back, insulation
Shell, screw, pcb board and several terminals being all set in the insulation shell, several butt are from the bottom of the insulation shell
It is inserted into the insulation shell and stretches out the top of the insulation shell, the metal-back is set to the top of the insulation shell, if
Dry butt is respectively positioned in the metal-back；The screw is fixed on the insulation shell after passing through the metal-back；
Capillary groove is provided at the top of the insulation shell, the capillary groove content is equipped with falope；The insulation shell
Bottom is perfused with the fixation glue for fixing terminal and the screw, and it is identical as the quantity of terminal that the pcb board is provided with quantity
Welding position, terminal welded with welding position by reflow soldering process.
Further, the screw pass through the insulation shell one end by riveted formed riveting part, the riveting part and
The insulation shell contradicts.
Further, the pcb board is provided with location hole, and the screw is inserted into the positioning after passing through the insulation shell
Hole.
Further, terminal includes sequentially connected external connection portion, the first protruding portion, first connecting portion, the second protruding portion,
Two interconnecting pieces and third protruding portion, wherein the section radius of the first protruding portion, the section radius of the second protruding portion and third are prominent
The section radius in portion is all the same, the section half of the section radius of external connection portion, the section radius of first connecting portion and second connecting portion
Diameter is all the same, and the section radius of the first protruding portion is greater than the section radius of first connecting portion；First protruding portion is set to insulation shell
Interior, the second protruding portion is set to the junction of insulation shell and fixed glue, and the second protruding portion and welding position are welded.
Further, the bottom of third protruding portion is provided with convex block, and convex block carries out Reflow Soldering after contradicting welding position.
Further, the bottom of the insulation shell is provided with perfusion slot, and several butt are respectively positioned in the perfusion slot, Gu
Glue is determined for filling the perfusion slot；The inner sidewall of the perfusion slot is provided with inclined-plane, inclined-plane from the bottom of the insulation shell extremely
The top of the insulation shell is to contract.
Beneficial effects of the present invention: the present invention carries out waterproof by being provided with falope in insulation shell, and passes through
Come connecting PCB board and terminal in the way of Reflow Soldering, welding temperature is controlled in solder terminal to increase and enable
Come avoid terminal because temperature it is excessively high caused by aoxidize, avoid the bad phenomenon of termination contact and occur.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is cross-sectional view of the invention.
Fig. 3 is decomposition diagram of the invention.
Fig. 4 is the cross-sectional view of insulation shell of the invention.
Fig. 5 is the schematic diagram of terminal of the invention.
Fig. 6 is the schematic diagram of screw of the invention.
Appended drawing reference: 1-metal-back, 2-insulation shells, 3-screws, 4-pcb boards, 5-terminals, 6-falopes, 7-
Fixed glue, 21-capillary grooves, 22-perfusion slots, 23-inclined-planes, 31-riveting parts, 41-welding positions, 42-location holes, 51-is outer
Socket part, the 52-the first protruding portion, 53-first connecting portions, the 54-the second protruding portion, 55-second connecting portions, 56-thirds are prominent
Portion, 57-convex blocks.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
A kind of production technology of water-proof connector provided by the invention, comprising the following steps:
A, the bottom of the self-insulating shell 2 of several butt 5 is inserted into the insulation shell 2, terminal 5 stretches out the insulation
The top of shell 2；
B, it is equipped with metal-back 1 in the top cover of insulation shell 2, several butt 5 are respectively positioned in the metal-back 1；Then it uses
Screw 3 is fixed on the insulation shell 2 from after passing through the metal-back 1, and the screw 3 stretches out the bottom of the insulation shell 2；
C, fixed glue 7 is perfused toward the bottom of the insulation shell 2, passes through the fixed terminal 5 of fixed glue 7 and the spiral shell
Nail 3；Fixed glue 7 is preferably epoxy resin；
D, the top of the insulation shell 2 is provided with cricoid capillary groove 21, and is equipped with silicon rubber in 21 content of capillary groove
Ring 6；
E, it is provided on pcb board 4 respectively with the sub 5 one-to-one welding positions 41 of several butts, each welding position 41 divides
Solder is not provided with it；
F, terminal 5 is respectively welded by reflow soldering process in welding position 41.
Water-proof connector manufactured by technique through the invention, due to being provided with silicon in the capillary groove 21 of insulation shell 2
Rubber ring 6, therefore after connector and external socket are attached, falope 6 with the socket and being contradicted
So that water can not enter in the present invention between connector and socket, waterproof performance of the invention is improved；In addition, being different from
In the prior art, the D-Sub connector of waterproof is that terminal 5 is welded on pcb board 4 by the way of wave soldering, this hair
It is welded by way of Reflow Soldering between the terminal 5 and pcb board 4 of bright connector, the temperature of Reflow Soldering is compared with wave-soldering
Connect have the advantages that it is manageable, specially allow the inert gas (such as nitrogen) of suitable temperature to be blown in the solder of pcb board 4 so that
Solder becomes molten condition, while the temperature of inert gas is not up to the temperature that oxidation reaction easily occurs for terminal 5, to realize
Under the premise of guaranteeing that terminal 5 and pcb board 4 stablize welding, avoid terminal 5 that oxygen occurs by temperature and inert gas double control
Change reaction, so as to avoid connector terminal 5 because caused by being oxidized poor contact phenomenon occur.In addition, the present invention adopts
Terminal 5 is welded in pcb board 4 with Reflow Soldering, compared to traditional wave soldering, there are also following benefits: wave soldering is desirable
Terminal 5 from the top of pcb board 4 and after stretching out the bottom of pcb board 4, welded in the bottom of pcb board 4, in this way meeting
Make will the both ends to pcb board 4 all process；And after terminal 5 it is only necessary to be fixed on the top of pcb board 4 by Reflow Soldering,
Welding can be achieved the effect that by heating solder by inert gas, be conducive to the space for saving pcb board 4, allowed the producer can
The techniques such as cabling, welding circuit are carried out in the bottom of pcb board 4.
In the present embodiment, between step b and step c, further includes: screw 3 b ', is stretched out the insulation shell 2
One end carries out riveted and forms riveting part 31.By the setting of riveting part 31, make to allow screw 3 will not voluntarily fall off insulation shell 2,
Contact area to increase fixed glue 7 and screw 3 avoids screw 3 to increase the stability that screw 3 is connect with insulation shell 2
It shakes.
In the present embodiment, before step a, further includes: the bottom of insulation shell 2 a ', is provided with perfusion slot 22, it is described
The inner sidewall of perfusion slot 22 is provided with inclined-plane 23, and inclined-plane 23 is inside to the top of the insulation shell 2 from the bottom of the insulation shell 2
It shrinks.I.e. when fixed glue 7 is perfused, only fixed glue 7 need to be filled full irrigation and infuse slot 22, allow fixed glue 7 encase completely terminal 5 and
Fixed effect can be realized in screw 3；In addition to this, the setting on inclined-plane 23, both for preventing liquid fixed glue 7 to excessive
Out, also there is guide function, so that fixed glue 7 can accurately flow into perfusion slot 22 when fixed glue 7 is perfused.
In the present embodiment, before step a, further includes: the sequentially connected external connection portion 51 of the stamped formation of a ", terminal 5,
First protruding portion 52, first connecting portion 53, the second protruding portion 54, second connecting portion 55 and third protruding portion 56, wherein first is prominent
The section radius of the section radius in portion 52, the section radius of the second protruding portion 54 and third protruding portion 56 is all the same out, external connection portion
The section radius of 51 section radius, the section radius of first connecting portion 53 and second connecting portion 55 is all the same, the first protruding portion
52 section radius is greater than the section radius of first connecting portion 53；First protruding portion 52 is set in insulation shell 2, the second protruding portion
54 are set to the junction of insulation shell 2 and fixed glue 7, and the second protruding portion 54 is welded with welding position 41.That is 52 He of the first protruding portion
There is gap respectively between second protruding portion 54, between the second protruding portion 54 and third protruding portion 56；Meanwhile insulation shell 2 is provided with
Several first jacks (being not marked in figure) and several second jacks (being not marked in figure), the first jack and the second jack connect
It is logical, and the internal diameter of the first jack is identical as the section radius of external connection portion 51, section of the internal diameter of the second jack and the first protruding portion 52
Radius surface is identical, so that is, terminal 5 installs, and realizes positioning when the top of the first protruding portion 52 and the second jack contradicts
Function；In addition to this, the gap between the first protruding portion 52 and the second protruding portion 54, to adapt to terminal 5 when in use, Yin Wen
Degree increases and the volume of variation；And the gap between the second protruding portion 54 and third protruding portion 56, then it is for receiving fixed glue
7, it is fixed among the gap for allowing fixed glue 7 to flow between the second protruding portion 54 and third protruding portion 56, in order to preferably
Fasten terminal 5.
Certainly, the sequence of both step a ' and step a " in no particular order, can also be carried out independently.
As shown in Figure 1 to Figure 3, other than above-mentioned technique, the present embodiment additionally provides a kind of above-mentioned production technology of application
Water-proof connector produced, including metal-back 1, insulation shell 2, screw 3, pcb board 4 and several are all set in the insulation shell
Terminal 5 in 2, several butt 5 are inserted into the insulation shell 2 from the bottom of the insulation shell 2 and stretch out the insulation shell 2
Top, the metal-back 1 is set to the top of the insulation shell 2, and several butt 5 are respectively positioned in the metal-back 1；It is described
Screw 3 is fixed on the insulation shell 2 after passing through the metal-back 1；
As shown in Figure 2 and Figure 4, the top of the insulation shell 2 is provided with capillary groove 21, and 21 content of capillary groove is equipped with silicon
Rubber ring 6；The bottom of the insulation shell 2 is perfused with the fixation glue 7 for fixing terminal 5 and the screw 3, and the pcb board 4 is set
It is equipped with quantity welding position 41 identical with the quantity of terminal 5, terminal 5 is welded with welding position 41 by reflow soldering process.
The present invention carries out waterproof by being provided with falope 6 in insulation shell 2, and in the way of Reflow Soldering
Come connecting PCB board 4 and terminal 5, thus increase enable welding temperature is controlled in solder terminal 5 come avoid terminal 5 because
The phenomenon that being aoxidized caused by temperature is excessively high, avoiding 5 poor contact of terminal generation.
As shown in fig. 6, in the present embodiment, one end that the screw 3 passes through the insulation shell 2 forms riveted by riveted
Portion 31, the riveting part 31 are contradicted with the insulation shell 2.The width of riveting part 31 is greater than on the insulation shell 2 that screw 3 is passed through
Hole width, therefore can prevent screw 3 from voluntarily skidding off insulation shell 2, ensure that screw 3 is solid for insulation shell 2 and metal-back 1
Fixed effect；Meanwhile riveting part 31 increases the contact area of fixed glue 7 and screw 3, and fixed glue 7 can preferably be fastened
Screw 3.
As shown in figure 3, in the present embodiment, the pcb board 4 is provided with location hole 42, the screw 3 passes through the insulation
The location hole 42 is inserted into after shell 2.By the way that screw 3 is inserted into location hole 42, welding position 41 on terminal 5 and pcb board 4 can be allowed
It corresponds, to be conducive to when the solder in welding position 41 is in a molten state, terminal 5 can be inserted into accurately and in time
It is fixed in solder.
As shown in figure 5, in the present embodiment, terminal 5 includes sequentially connected external connection portion 51, the first protruding portion 52, first
Interconnecting piece 53, the second protruding portion 54, second connecting portion 55 and third protruding portion 56, wherein the section radius of the first protruding portion 52,
The section radius of second protruding portion 54 and the section radius of third protruding portion 56 are all the same, the section radius of external connection portion 51, first
The section radius of interconnecting piece 53 and the section radius of second connecting portion 55 are all the same, and the section radius of the first protruding portion 52 is greater than the
The section radius of one interconnecting piece 53；First protruding portion 52 is set in insulation shell 2, and the second protruding portion 54 is set to 2 He of insulation shell
The junction of fixed glue 7, the second protruding portion 54 are welded with welding position 41.
That is have respectively between the first protruding portion 52 and the second protruding portion 54, between the second protruding portion 54 and third protruding portion 56
Gap；Meanwhile insulation shell 2 is provided with several first jacks (being not marked in figure) and several second jacks (are not marked in figure
Note), the first jack is connected to the second jack, and the internal diameter of the first jack is identical as the section radius of external connection portion 51, the second jack
Internal diameter it is identical as the section radius of the first protruding portion 52 so that when the top of the first protruding portion 52 and the second jack contradict when,
I.e. terminal 5 installs, and realizes positioning function；In addition to this, the gap between the first protruding portion 52 and the second protruding portion 54 is used
To adapt to terminal 5 when in use, the volume that changes due to temperature increases；And between the second protruding portion 54 and third protruding portion 56
Gap, then be for receiving fixed glue 7, the gap that allows fixed glue 7 to flow between the second protruding portion 54 and third protruding portion 56 it
In be fixed, in order to preferably fasten terminal 5.
Preferably, the top of the first protruding portion 52 is provided with chamfering (being not marked in figure), and the use of the chamfering is first
When protruding portion 52 needs to be inserted into the second jack, chamfering can play guiding role, so that terminal is able to maintain vertical direction and inserts
Enter the second jack.
Specifically, convex block 57 contradicts welding position 41 as shown in figure 5, the bottom of third protruding portion 56 is provided with convex block 57, it should
The section radius of convex block 57 is less than the section radius of third protruding portion 56.By the setting of convex block 57, so that third protruding portion 56
There are gaps between welding position 41, and the gap by solder for being filled, to increase solder and convex block 57, solder and weldering
The contact area of position 41 is connect, so that terminal 5 and the connection of pcb board 4 are more stable.
As shown in figure 4, in the present embodiment, the bottom of the insulation shell 2 is provided with perfusion slot 22, and several butt 5 are
In the perfusion slot 22, fixed glue 7 is for filling the perfusion slot 22；The inner sidewall of the perfusion slot 22 is provided with inclined-plane
23, inclined-plane 23 is from the bottom of the insulation shell 2 to the top of the insulation shell 2 to contract.I.e. when fixed glue 7 is perfused, only
Fixed glue 7 need to be filled full irrigation and infuse slot 22, allowed fixed glue 7 to encase terminal 5 completely and fixed effect can be realized in screw 3；
In addition to this, the setting on inclined-plane 23 also had guide function, so that filling both for preventing liquid fixed glue 7 from overflowing outward
When infusing fixed glue 7, fixed glue 7 can accurately be flowed into perfusion slot 22.
The above is only present pre-ferred embodiments, is not intended to limit the present invention in any form, although
The present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, but without departing from the technical solutions of the present invention, technology refers to above embodiments according to the present invention
Made any simple modification, equivalent change and modification, belong in the range of technical solution of the present invention.
Claims (10)
1. a kind of production technology of water-proof connector, which comprises the following steps:
A, the bottom of the self-insulating shell of several butt is inserted into the insulation shell, terminal stretches out the top of the insulation shell
Portion；
B, it is equipped with metal-back in the top cover of insulation shell, several butt are respectively positioned in the metal-back；Then it is worn certainly with screw
It is fixed on the insulation shell after crossing the metal-back, the screw stretches out the bottom of the insulation shell；
C, fixed glue is perfused toward the bottom of the insulation shell, passes through the fixed terminal of fixed glue and the screw；
D, it is provided with cricoid capillary groove at the top of the insulation shell, and is equipped with falope in capillary groove content；
E, it is provided on pcb board respectively with the one-to-one welding position of several butts, each welding position is respectively arranged with weldering
Material；
F, terminal is respectively welded by reflow soldering process in welding position.
2. the production technology of water-proof connector according to claim 1, it is characterised in that: between step b and step c,
Further include: b ', the one end for screw being stretched out the insulation shell carry out riveted and form riveting part.
3. the production technology of water-proof connector according to claim 1, it is characterised in that: before step a, further includes:
A ', the bottom of insulation shell is provided with perfusion slot, the inner sidewall of the perfusion slot is provided with inclined-plane, and inclined-plane is from the insulation shell
Bottom to the top of the insulation shell is to contract.
4. the production technology of water-proof connector according to claim 1, it is characterised in that: before step a, further includes:
A ", terminal are stamped to form sequentially connected external connection portion, the first protruding portion, first connecting portion, the second protruding portion, second connecting portion
With third protruding portion, wherein the section of the section radius of the first protruding portion, the section radius of the second protruding portion and third protruding portion
Radius is all the same, and the section radius of the section radius of external connection portion, the section radius of first connecting portion and second connecting portion is all the same,
The section radius of first protruding portion is greater than the section radius of first connecting portion；First protruding portion is set in insulation shell, and second is prominent
Portion is set to the junction of insulation shell and fixed glue out, and the second protruding portion and welding position are welded.
5. a kind of using production technology water-proof connector produced described in claim 1-4 any one, it is characterised in that:
Including metal-back, insulation shell, screw, pcb board and several terminals being all set in the insulation shell, several butt are from institute
The top of the insulation shell is inserted into the insulation shell and is stretched out in the bottom for stating insulation shell, and the metal-back is set to described exhausted
The top of edge shell, several butt are respectively positioned in the metal-back；The screw is fixed on described exhausted after the metal-back
Edge shell；
Capillary groove is provided at the top of the insulation shell, the capillary groove content is equipped with falope；The bottom of the insulation shell
It is perfused with the fixation glue for fixing terminal and the screw, the pcb board is provided with quantity weldering identical with the quantity of terminal
Position is connect, terminal is welded with welding position by reflow soldering process.
6. water-proof connector according to claim 5, it is characterised in that: one end that the screw passes through the insulation shell is logical
It crosses riveted and forms riveting part, the riveting part and the insulation shell contradict.
7. water-proof connector according to claim 5, it is characterised in that: the pcb board is provided with location hole, the screw
The location hole is inserted into after the insulation shell.
8. water-proof connector according to claim 5, it is characterised in that: terminal includes sequentially connected external connection portion, first
Protruding portion, first connecting portion, the second protruding portion, second connecting portion and third protruding portion, wherein the section radius of the first protruding portion,
The section radius of second protruding portion and the section radius of third protruding portion are all the same, the section radius of external connection portion, first connecting portion
Section radius and second connecting portion section radius it is all the same, the section radius of the first protruding portion is greater than cutting for first connecting portion
Radius surface；First protruding portion is set in insulation shell, and the second protruding portion is set to the junction of insulation shell and fixed glue, and second is prominent
Portion and welding position are welded out.
9. water-proof connector according to claim 8, it is characterised in that: the bottom of third protruding portion is provided with convex block, convex
Block carries out Reflow Soldering after contradicting welding position.
10. water-proof connector according to claim 5, it is characterised in that: the bottom of the insulation shell is provided with perfusion slot,
Several butt are respectively positioned in the perfusion slot, and fixed glue is for filling the perfusion slot；The inner sidewall setting of the perfusion slot
There is an inclined-plane, inclined-plane is from the bottom of the insulation shell to the top of the insulation shell to contract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511679.5A CN109546382B (en) | 2018-12-11 | 2018-12-11 | Waterproof connector production process and waterproof connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511679.5A CN109546382B (en) | 2018-12-11 | 2018-12-11 | Waterproof connector production process and waterproof connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546382A true CN109546382A (en) | 2019-03-29 |
| CN109546382B CN109546382B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811511679.5A Active CN109546382B (en) | 2018-12-11 | 2018-12-11 | Waterproof connector production process and waterproof connector |
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| Country | Link |
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| CN (1) | CN109546382B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122865A (en) * | 2021-11-23 | 2022-03-01 | 福州一通线艺电子科技有限公司 | DB plug production process |
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| CN1893190A (en) * | 2005-07-08 | 2007-01-10 | 株式会社东芝 | Connector device, circuit board having the same and electronic equipment |
| CN205488680U (en) * | 2016-03-24 | 2016-08-17 | 东莞市维峰五金电子有限公司 | Improvement formula D -SUB socket |
| CN106159529A (en) * | 2016-08-10 | 2016-11-23 | 深圳永贵盟立科技有限公司 | A kind of D SUB water-proof connector and preparation method thereof |
| CN207183645U (en) * | 2017-09-19 | 2018-04-03 | 苏州正耀电子有限公司 | D SUB connectors |
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2018
- 2018-12-11 CN CN201811511679.5A patent/CN109546382B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1893190A (en) * | 2005-07-08 | 2007-01-10 | 株式会社东芝 | Connector device, circuit board having the same and electronic equipment |
| CN205488680U (en) * | 2016-03-24 | 2016-08-17 | 东莞市维峰五金电子有限公司 | Improvement formula D -SUB socket |
| CN106159529A (en) * | 2016-08-10 | 2016-11-23 | 深圳永贵盟立科技有限公司 | A kind of D SUB water-proof connector and preparation method thereof |
| CN207183645U (en) * | 2017-09-19 | 2018-04-03 | 苏州正耀电子有限公司 | D SUB connectors |
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| CN114122865A (en) * | 2021-11-23 | 2022-03-01 | 福州一通线艺电子科技有限公司 | DB plug production process |
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| Publication number | Publication date |
|---|---|
| CN109546382B (en) | 2024-04-26 |
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