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CN118970511A - Wire-to-wire connector and method of manufacturing the same - Google Patents

Wire-to-wire connector and method of manufacturing the same Download PDF

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Publication number
CN118970511A
CN118970511A CN202411136379.9A CN202411136379A CN118970511A CN 118970511 A CN118970511 A CN 118970511A CN 202411136379 A CN202411136379 A CN 202411136379A CN 118970511 A CN118970511 A CN 118970511A
Authority
CN
China
Prior art keywords
terminal
wire
male
cavity
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202411136379.9A
Other languages
Chinese (zh)
Inventor
吕荣通
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dong Guan Lianda Precision Product Co ltd
Original Assignee
Dong Guan Lianda Precision Product Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dong Guan Lianda Precision Product Co ltd filed Critical Dong Guan Lianda Precision Product Co ltd
Priority to CN202411136379.9A priority Critical patent/CN118970511A/en
Publication of CN118970511A publication Critical patent/CN118970511A/en
Pending legal-status Critical Current

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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
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • 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
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • 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
    • 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
    • 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
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • 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
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • 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
    • H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention provides a wire-to-wire connector, which comprises a male plug and a female plug. The male plug includes a male housing and a first terminal structure within the male housing, the first terminal structure including a plurality of first terminal members. The female plug comprises a female shell and a second terminal structure positioned in the female shell, the second terminal structure comprises a plurality of second terminal pieces, the male shell is detachably plugged in the female shell, and the plurality of second terminal pieces are respectively and correspondingly electrically plugged in the corresponding first terminal pieces. The male shell comprises an inserting part, the cross section of the inserting part is elliptical, the plurality of first terminal pieces are distributed in the inserting part, the female shell comprises a containing cavity, the cross section of the containing cavity is also elliptical matched with the inserting part, and the plurality of second terminal pieces are distributed in the containing cavity. The wire-to-wire connector has smaller overall volume, compact and reasonable structural layout, prolonged service life and good waterproof effect. The invention also provides a manufacturing method for producing the wire-to-wire connector.

Description

Wire-to-wire connector and method of manufacturing the same
Technical Field
The present disclosure relates to connectors, and particularly to a wire-to-wire connector and a method for manufacturing the same.
Background
Connectors are classified into three basic types, wire-to-wire, wire-to-board, and board-to-board. The wire-to-wire connector includes a form of a wire and a cable, and is defined as two single wire units or corresponding wires in two cables are permanently connected with each other. Such connectors are widely used in the fields of automobiles, communications, consumer electronics, data processing, industrial machinery, and the like. Wire-to-wire connectors typically include a connector housing, a terminal assembly, and a wire or cable extending into the connector housing.
In the prior art, common wire-to-wire connector contact terminals all adopt stamping parts, the contact area of male and female pins after insertion is small, the vibration-proof effect is avoided, and the opposite insertion service life is low. Some equipment that needs frequent plug, many times plug easily damage the terminal, influence normal use. Secondly, when the number of the available current is increased, the existing wire-to-wire connector often needs to increase the whole volume, which is not beneficial to the lightweight development. In addition, the existing wire-to-wire connector has poor waterproof effect.
Therefore, it is necessary to provide a wire-to-wire connector which can be prolonged in service life, is smaller in size, and is excellent in waterproof effect.
Disclosure of Invention
The invention aims to provide a wire-to-wire connector which can prolong the service life, has smaller volume and good waterproof effect.
Another object of the present invention is to provide a manufacturing method for manufacturing the wire-to-wire connector described above.
To achieve the above object, the present invention provides a wire-to-wire connector comprising:
The male plug comprises a male shell and a first terminal structure positioned in the male shell, wherein the first terminal structure comprises a plurality of first terminal pieces;
The female plug comprises a female shell and a second terminal structure positioned in the female shell, the second terminal structure comprises a plurality of second terminal pieces, the male shell is detachably plugged in the female shell, and the plurality of second terminal pieces are respectively and correspondingly electrically plugged in the corresponding first terminal pieces;
The male shell comprises an inserting portion, the cross section of the inserting portion is elliptical, the first terminal pieces are distributed in the inserting portion, the female shell comprises a containing cavity, the cross section of the containing cavity is also elliptical matched with the inserting portion, and the second terminal pieces are distributed in the containing cavity.
After the technical scheme is adopted, the wire-to-wire connector disclosed by the invention has the advantages that the plug-in part is elliptical, the accommodating cavity matched with the plug-in part is elliptical, the matching is tight, the whole volume of the whole connector can be effectively reduced, more first terminal pieces can be arranged in the plug-in part, more second terminal pieces can be arranged in the accommodating cavity, the overall structure is more compact and reasonable, and larger current can pass through. The wire-to-wire connector includes a male plug and a female plug. The male plug includes a male housing and a first terminal structure within the male housing, the first terminal structure including a plurality of first terminal members. The female plug comprises a female housing and a second terminal structure positioned in the female housing, wherein the second terminal structure comprises a plurality of second terminal pieces. The male shell is inserted into the female shell, a plurality of second terminal pieces are respectively and correspondingly inserted into the corresponding first terminal pieces, the contact area of the insertion is large, and the assembly effect is good. The wire-to-wire connector has smaller overall volume and compact and reasonable structural layout.
Preferably, the male shell is internally provided with an installation cavity, the plug-in installation part is internally provided with a plurality of installation holes for correspondingly installing the first terminal piece, and the installation holes are communicated with the installation cavity.
Preferably, one end of the first terminal piece is located in the mounting hole, the other end of the first terminal piece is located in the mounting cavity, the first cable is located in the mounting cavity and electrically connected to the first terminal piece, and the mounting cavity is filled with the first colloid to fix the first terminal piece and the first cable and seal the mounting cavity.
Preferably, the inserting part is convexly provided with a convex part and a first guiding part, an installation groove is formed between the convex part and the first guiding part, a waterproof ring is installed in the installation groove, and the waterproof ring can be attached to the inner wall of the accommodating cavity; the end part of the inserting part, which is matched with the accommodating cavity in advance, is inclined inwards to form a second guide part convenient to install, and the installation groove is positioned at one end of the inserting part, which is far away from the second guide part.
Preferably, a positioning part for positioning the second terminal piece is arranged in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the positioning part, a plurality of positioning holes are formed in the positioning part, the second terminal piece is arranged in the positioning holes, one end of the second terminal piece, which is positioned in the second cavity, is electrically connected with a second cable, and the second cavity is filled with a second colloid, so that the second terminal piece and the second cable are fixed by the second colloid, and the second cavity is sealed.
Preferably, the plug-in mounting part is plugged in the first cavity, one end of the first cavity is provided with a fixing part matched with the plug-in mounting part, one end of the fixing part is provided with a third guiding part convenient to mount, and the other end of the fixing part is provided with a fourth guiding part convenient to mount.
Preferably, a matching cavity for inserting the second terminal piece is formed in the first terminal piece, the end part of the first terminal piece, into which the second terminal piece is inserted, is inwards inclined to form a guide part convenient to install, and the end part of the second terminal piece, matched with the first terminal piece, is inwards retracted to form an installation part convenient to install; the outer wall of the first terminal piece is provided with a groove body for the elastic movement of the outer wall along the axial direction, the groove body is communicated with the matching cavity, and the outer wall of the second terminal piece is convexly provided with a limiting part for mounting limiting.
Preferably, the bottom of the male shell is provided with a supporting base, a clamping groove is formed in the supporting base and forms a first clamping part with the male shell, the bottom of the female shell is provided with a second clamping part, and the male shell is inserted into the female shell so that the second clamping part is buckled with the first clamping part.
Another object of the present invention is to provide a manufacturing method for manufacturing the wire-to-wire connector, comprising the steps of:
welding and fixing cables in the first terminal piece to form a first terminal assembly, installing a plurality of first terminal assemblies in the male shell to form a first terminal structure, dispensing and fixing, and performing waterproof treatment on the male shell;
And welding and fixing the cables in the second terminal piece to form a second terminal assembly, and then installing a plurality of second terminal assemblies in the mother shell to form a second terminal structure and dispensing and fixing.
After the technical scheme is adopted, the manufacturing method of the invention can automatically produce and assemble the wire-to-wire connector. The whole manufacturing method has high automation degree, high production efficiency and good assembly effect. The produced line-to-line connector has long service life, smaller volume and good waterproof effect.
Preferably, the first terminal piece is fed onto the first wire welding device through the first feeding device, the first wire welding device comprises a cable conveying mechanism, a wire cutting and stripping mechanism, a cable positioning mechanism and a welding mechanism which are arranged along the transmission direction of the cable, the first feeding device is connected to the welding mechanism, the first cable is conveyed to the welding mechanism through the cable conveying mechanism, the first cable is positioned at the first terminal piece through the cable positioning mechanism, the welding mechanism welds and fixes the first terminal piece and the first cable to form a first terminal assembly, and the wire cutting and stripping mechanism cuts the first cable according to a first preset length and strips the first cable according to a second preset length;
Feeding the male shell to a first assembling device through a second feeding device, automatically assembling a plurality of first terminal assemblies in the male shell on the first assembling device, and forming a first terminal structure in the male shell; dispensing in the male shell through a first dispensing device to seal and fix the first terminal structure in the male shell;
performing waterproof treatment on the male plug on a second assembling device, wherein the second assembling device is connected with a third feeding device;
Feeding the second terminal piece to a second wire welding device through a fourth feeding device, and welding and fixing the cable to the second terminal piece on the second wire welding device to form a second terminal assembly;
Feeding the male shell to a third assembling device through a fifth feeding device, automatically assembling a plurality of second terminal assemblies in the female shell on the third assembling device, and forming a second terminal structure in the female shell; and dispensing in the female shell through the second dispensing device so as to seal and fix the second terminal structure in the female shell, and completing female plug assembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a wire-to-wire connector according to an embodiment of the present invention.
Fig. 2 is a block diagram of the male plug of fig. 1.
Fig. 3 is an exploded view of the structure of fig. 2.
Fig. 4 is a structural view of the male housing of fig. 3.
Fig. 5 is a view of the structure of fig. 4 at another angle.
Fig. 6 is a structural view of the first terminal member in fig. 3.
Fig. 7 is a structural diagram of the female plug in fig. 1.
Fig. 8 is an exploded view of the structure of fig. 7.
Fig. 9 is a structural view of the parent case of fig. 8.
Fig. 10 is a view of the structure of fig. 9 at another angle.
Fig. 11 is a structural view of the second terminal member in fig. 8.
Fig. 12 is a schematic structural view of an automatic assembling apparatus according to an embodiment of the present invention.
Fig. 13 is a partial block diagram of a first wire bonding apparatus according to an embodiment of the invention.
Reference numerals illustrate:
100. A wire-to-wire connector;
10. Male insertion; 11. a male shell; 111. an insertion part; 1111. a mounting hole; 1112. a convex portion; 1113. a first guide part; 1114. a mounting groove; 1115. a second guide part; 112. a mounting cavity; 113. a support base; 1131. a clamping groove; 12. a first terminal structure; 120. a first terminal assembly; 121. a first terminal member; 1211. a mating cavity; 1212. a guide section; 1213. a tank body; 1214. a first connection portion; 122. a first cable; 13. a first colloid; 14. a waterproof ring;
20. a female plug; 21. a parent shell; 211. a receiving chamber; 212. a positioning part; 2121. positioning holes; 213. a third guide part; 214. a fourth guide part; 215. a second engaging portion; 216. anti-slip ribs; 217. a fixing part; 22. a second terminal structure; 220. a second terminal assembly; 221. a second terminal member; 2211. a mounting part; 2212. a limit part; 2213. a second connecting portion; 222. a second cable; 23. a second colloid;
200. Automatic assembly equipment; 201. a first feeding device; 202. a first wire bonding device; 2021. a cable conveying mechanism; 2022. a wire cutting and stripping mechanism; 2023. a cable positioning mechanism; 2024. a receiving positioning mechanism; 2025. a welding mechanism; 203. a second feeding device; 204. a first assembly device; 205. a third feeding device; 206. a second assembly device; 207. a fourth feeding device; 208. a second wire bonding device; 209. a fifth feeding device; 210. and a third assembly device.
Detailed Description
In order to describe the technical content and constructional features of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, and fig. 7 and 8, the present invention provides a wire-to-wire connector 100, which includes a male connector 10 and a female connector 20. The male plug 10 comprises a male housing 11 and a first terminal structure 12 located within the male housing 11, the first terminal structure 12 comprising a plurality of sets of first terminal assemblies 120, each set of first terminal assemblies 120 comprising a first terminal member 121. The female plug 20 includes a female housing 21 and a second terminal structure 22 positioned within the female housing 21, the second terminal structure 22 including a plurality of sets of second terminal assemblies 220, each set of second terminal assemblies 220 including a second terminal member 221. The male housing 11 is detachably inserted into the female housing 21, and the plurality of second terminal pieces 221 are respectively and electrically inserted into the corresponding first terminal pieces 121, so that the male housing is tightly matched and has good contact effect. The male housing 11 includes an insertion portion 111, and the insertion portion 111 has an elliptical cross section, and all the first terminal members 121 are distributed in the insertion portion 111. The female housing 21 includes a receiving cavity 211, a cross section of the receiving cavity 211 is also elliptical and adapted to the insertion portion 111, and all the second terminal pieces 221 are distributed in the receiving cavity 211. It can be understood that the male connector 10 and the female connector 20 are assembled together, and the cross sections of the male connector 10 and the female connector 20 are oval, so that the first terminal members 121 can be better distributed in the male housing 11, the second terminal members 221 can be better distributed in the female housing 21, and the overall structure is smaller and more compact, and the overall volume is smaller under the condition of arranging the same number of terminals.
After the technical scheme is adopted, the wire-to-wire connector 100 of the invention has the advantages that the insertion part 111 is elliptical, the accommodating cavity 211 matched with the insertion part 111 is also elliptical, the matching is tight, the whole volume of the whole connector can be effectively reduced, more first terminal pieces 121 can be arranged in the insertion part 111, more second terminal pieces 221 can be arranged in the accommodating cavity 211, the whole structure is more compact and reasonable, and larger current can pass through. The wire-to-wire connector 100 includes a male ferrule 10 and a female ferrule 20. The male plug 10 comprises a male housing 11 and a first terminal structure 12 located within the male housing 11, the first terminal structure 12 comprising a plurality of first terminal members 121. The female plug 20 includes a female housing 21 and a second terminal structure 22 located within the female housing 21, the second terminal structure 22 including a plurality of second terminal pieces 221. The male housing 11 is inserted into the female housing 21, and the plurality of second terminal members 221 are respectively inserted into the corresponding first terminal members 121, so that the insertion contact area is large, and the assembly effect is good. The wire-to-wire connector 100 of the invention has smaller overall volume and compact and reasonable structural layout.
Referring to fig. 4 and 5, in some alternative embodiments, a mounting cavity 112 is provided in the male housing 11, and a plurality of mounting holes 1111 for correspondingly mounting the first terminal member 121 are provided in the insertion portion 111, where the plurality of mounting holes 1111 are all communicated with the mounting cavity 112. Wherein one end of the first terminal member 121 is located in the mounting hole 1111 and the other end of the first terminal member 121 is located in the mounting cavity 112. The first cable 122 is disposed in the mounting cavity 112 and electrically connected to the first terminal member 121, and the mounting cavity 112 is filled with the first adhesive 13 to fix the first terminal member 121 and the first cable 122 and seal the mounting cavity 112. It is understood that the first cable 122 may be welded to the first terminal member 121 in advance to form the first terminal assembly 120, and when the first terminal assembly 120 is mounted in the mounting hole 1111, one end of the first terminal member 121 is located in the mounting hole 1111, and one end of the first terminal member 121 to which the first cable 122 is connected is located in the mounting cavity 112. In addition, the first terminal assembly 120 can be mounted in the male housing 11 by dispensing in the mounting cavity 112, so that the waterproof effect can be achieved, and the overall structure is more stable and reliable. In still another aspect, at most one first terminal assembly 120 is installed in each installation hole 1111, the specific number of the first terminal assemblies 120 is set according to the actual installation requirement, and when the number of the first terminal assemblies 120 is less than the number of the installation holes 1111, the division positions of the first terminal assemblies 120 are also set according to the actual installation requirement. The mounting position of the second terminal assembly 220 within the positioning hole 2121 corresponds to the mounting position of the first terminal assembly 120 within the mounting hole 1111.
Referring to fig. 2 to 4, in some alternative embodiments, the male portion 111 is convexly provided with a protrusion 1112 and a first guide 1113, and a mounting groove 1114 is formed between the protrusion 1112 and the first guide 1113. The waterproof ring 14 is installed in the installation groove 1114, and the waterproof ring 14 can be attached to the inner wall of the accommodating cavity 211. When the male housing 11 and the female housing 21 are assembled in a plugging manner, the waterproof ring 14 installed in the installation groove 1114 is attached to the inner wall of the accommodating cavity 211, so that the waterproof sealing effect is achieved. The first guiding portion 1113 is an inclined structure with a gradually larger cross-sectional area from one end far from the mounting groove 1114 to one end close to the mounting groove 1114, and the waterproof ring 14 is automatically mounted in the mounting groove 1114 through the pushing member by means of the first guiding portion 1113. The waterproof ring 14 is guided by the first guide 1113, can slide along the first guide 1113 to drop into the mounting groove 1114, and is thus stably mounted in the mounting groove 1114. On the other hand, the end of the insertion part 111, which is previously engaged with the accommodation chamber 211, is inclined inward to form a second guide part 1115 for easy installation, and the installation groove 1114 is located at an end of the insertion part 111 remote from the second guide part 1115. The second guiding portion 1115 is provided, so that the plug-in portion 111 and the accommodating cavity 211 of the female housing 21 can be matched and installed conveniently.
Referring to fig. 7 to 9, in some alternative embodiments, a positioning portion 212 for positioning the second terminal member 221 is disposed in the accommodating cavity 211, and the positioning portion 212 divides the accommodating cavity 211 into a first cavity and a second cavity. The positioning portion 212 is provided with a plurality of positioning holes 2121, and the positioning holes 2121 are used for mounting and positioning the second terminal member 221, and the second terminal member 221 is mounted in the positioning holes 2121. The first cavity is configured to be mounted in cooperation with the mounting portion 111, and one end of the second terminal member 221 located in the second cavity is electrically connected with the second cable 222, and the second cavity is filled with the second glue 23, so that the second terminal member 221 and the second cable 222 are fixed and sealed by the second glue 23. It will be appreciated that the second cable 222 may be welded to the second terminal member 221 in advance to form the second terminal assembly 220, and when the second terminal assembly 220 is mounted in the positioning hole 2121, one end of the second terminal member 221 passes through the positioning hole 2121 and is located in the first cavity, and one end of the second terminal member 221 to which the second cable 222 is connected is located in the second cavity. In addition, the second terminal assembly 220 can be mounted in the mother shell 21 by dispensing in the second cavity, so that the waterproof effect can be achieved, and the overall structure is more stable and reliable.
Referring to fig. 9, in some alternative embodiments, the insertion portion 111 is inserted into the first cavity, one end of the first cavity is provided with a fixing portion 217 matched with the insertion portion 111, one end of the fixing portion 217 is provided with a third guiding portion 213 convenient for installation, and the other end of the fixing portion 217 is provided with a fourth guiding portion 214 convenient for installation. When the plug-in mounting portion 111 is mounted in the first cavity, the first guiding portion 1113 abuts against the fourth guiding portion 214, the protruding portion 1112 abuts against the third guiding portion 213, and the waterproof ring 14 mounted in the mounting groove 1114 is tightly matched with the fixing portion 217, so that the overall matching is tight, and the waterproof effect is good.
Referring to fig. 6 and 11, in some alternative embodiments, the first terminal member 121 is provided with a mating cavity 1211 into which the second terminal member 221 is inserted, i.e., the first terminal member 121 is a female terminal, and the second terminal member 221 is a male terminal. The female terminal is arranged in the male shell 11, the male terminal is arranged in the female shell 21, and the male terminal and the female terminal are in cross fit, so that the assembly and installation effects are better. Specifically, the end of the first terminal member 121 into which the second terminal member 221 is inserted is inclined inward to form a guide portion 1212 for facilitating the installation, and the end of the second terminal member 221 mated with the first terminal member 121 is retracted to form an installation portion 2211 for facilitating the installation. The second terminal member 221 can be more conveniently and quickly mounted in the first terminal member 121 by the fitting portion 2211 being fitted with the guide portion 1212. Wherein, a groove 1213 for the elastic movement of the outer wall is axially arranged on the outer wall of the first terminal member 121, and the groove 1213 is communicated with the matching cavity 1211. When the second terminal piece 221 is inserted into the mating cavity 1211, the outer wall of the mating cavity 1211 can elastically move within a certain range through the groove 1213, so that the second terminal piece 221 can be better inserted into the mating cavity 1211, and the elastically-moving outer wall has a resetting trend, so that the first terminal piece 121 can more tightly and elastically wrap the second terminal piece 221, thereby having a shockproof effect and a good mating effect. In addition, the elastic wrapping also enables a larger contact area between the first terminal member 121 and the second terminal member 221, and the overall assembly effect is better. In this embodiment, the first terminal member 121 and the second terminal member 221 use lathe member terminals, the insertion life can reach 1000 times, the first terminal member 121 uses lathe member terminals of 0.8MM, and the maximum current can exceed 7A. Whereas the terminals of a conventional wire-to-wire connector 100 are typically stamped parts, the lifetime is about 100 times of plugging and unplugging, and the maximum current that can be generally allowed to pass is 2A. The first terminal piece 121 and the second terminal piece 221 in the invention have more reasonable structure and larger contact area, not only can play a role in vibration prevention, but also have longer opposite insertion service life, and can enable the current passing through the whole to be larger under the condition of smaller whole volume. On the other hand, a stopper 2212 for mounting stopper is provided protruding from the outer wall of the second terminal 221. When the second terminal piece 221 is installed in the first terminal piece 121, the limit portion 2212 abuts against the guide portion 1212, and the whole fit is tightly and firmly fixed.
Referring to fig. 4, 5, 9 and 10, in some alternative embodiments, a supporting base 113 is disposed at the bottom of the male housing 11, and a clamping groove 1131 is formed in the supporting base 113 and forms a first clamping portion with the male housing 11. A second engaging portion 215 is provided at the bottom of the female housing 21, and the male housing 11 is inserted into the female housing 21 such that the second engaging portion 215 engages with the first engaging portion. The first engaging portion is engaged with the second engaging portion 215, so that the male plug 10 and the female plug 20 are tightly and firmly connected after being assembled. A skid-proof rib 216 for skid prevention is also provided at the bottom of the female housing 21.
Referring to fig. 12, the present invention further provides a manufacturing method for manufacturing the wire-to-wire connector 100, which includes the following steps:
the first terminal assembly 120 is formed by welding and fixing a cable, here a first cable 122, within the first terminal member 121. Specifically, the first cable 122 is installed in the first terminal 121 and welded to form the first terminal assembly 120, and then a plurality of first terminal assemblies 120 are installed in the male housing 11 to form the first terminal structure 12 and fixed by dispensing, and then waterproof treatment is performed on the male housing 11. The waterproofing treatment here means that the waterproof ring 14 is attached to the male housing 11.
Meanwhile, a cable, which is referred to as a second cable 222, is welded and fixed in the second terminal member 221 to form the second terminal assembly 220. Specifically, the second cable 222 is mounted in the second terminal member 221 and welded to form the second terminal assembly 220, and then a plurality of second terminal assemblies 220 are mounted in the mother case 21 to form the second terminal structure 22 and fixed by dispensing. The manufacturing method of the present invention can automatically produce and assemble the wire-to-wire connector 100. The whole manufacturing method has high automation degree, high production efficiency and good assembly effect. The produced wire-to-wire connector 100 has long service life, smaller volume and good waterproof effect.
Referring to fig. 12, a schematic structural diagram of an automatic assembling apparatus 200 according to an embodiment of the present invention is shown, and of course, the automatic assembling apparatus 200 of the male connector 10 and the female connector 20 may be separated. Specifically, referring to fig. 13, the first terminal member 121 is fed onto the first wire bonding device 202 by the first feeding device 201, and the first wire bonding device 202 includes a wire conveying mechanism 2021, a wire stripping mechanism 2022, a wire positioning mechanism 2023, and a welding mechanism 2025 disposed along the conveying direction of the first wire 122. The first feeding device 201 is connected to the welding mechanism 2025, the first cable 122 is conveyed to the welding mechanism 2025 through the cable conveying mechanism 2021, the first cable 122 is positioned at the first terminal member 121 by the cable positioning mechanism 2023, the welding mechanism 2025 welds and fixes the first terminal member 121 and the first cable 122 to form the first terminal assembly 120, and the wire cutting and stripping mechanism 2022 cuts the first cable 122 according to a first preset length and strips according to a second preset length. The first feeding device 201 may be a vibration disc feeding device, the vibration disc feeding device pushes the first terminal piece 121 onto the receiving positioning mechanism 2024, the cable passes through the cable conveying mechanism 2021, the wire cutting and stripping mechanism 2022 and the cable positioning mechanism 2023 once, then cooperates with the first terminal piece 121 on the receiving positioning mechanism 2024, and then welds and fixes the first cable 122 at the first connecting portion 1214 of the first terminal piece 121 through the welding mechanism 2025. And the second cable 222 is welded and fixed at the second connection portion 2213 of the second terminal 221. After the first terminal assembly 120 is molded, the wire cutting and stripping mechanism 2022 cuts the first cable 122 by a certain length, and simultaneously strips the first cable 122 by a certain length at the cut, so that the first cable 122 is matched with the next first terminal member 121. Wherein, a plurality of receiving slots may be provided on the receiving positioning mechanism 2024, a plurality of positioning components are provided on the cable positioning mechanism 2023 corresponding to the receiving slots, a first terminal member 121 is disposed in each receiving slot, a first cable 122 is disposed in each group of positioning components, and the plurality of groups of first terminal assemblies 120 can be formed simultaneously by welding with the welding mechanism 2025.
The male shell 11 is fed onto the first assembling device 204 by the second feeding device 203, and the second feeding device 203 may also be a vibration plate feeding device. The plurality of first terminal assemblies 120 are automatically assembled within the male housing 11 on the first assembling device 204 and the first terminal structure 12 is formed within the male housing 11. Specifically, the male housing 11 is turned over on the first assembling device 204 by a certain angle so that the plurality of mounting holes 1111 therein are upwardly disposed, the plurality of first terminal assemblies 120 are mounted in the corresponding mounting holes 1111 by a robot or a hand, and then the male housing 11 assembled with the first terminal structure 12 is transferred to the first dispensing device. The first terminal structure 12 is sealed and fixed in the male housing 11 by dispensing in the male housing 11 by the first dispensing device. Through first adhesive deposite device in the interior pot epoxy of public shell 11, not only can be better at public shell 11 internal fixation first terminal structure 12, sealed waterproof effect is good moreover.
After the first terminal structure 12 is assembled, the male plug 10 is transferred to the second assembling device 206 by a transfer mechanism. Meanwhile, the waterproof ring 14 is automatically fed onto the second assembling device 206 by the third feeding device 205. The male connector 10 is rotated to the upward direction of the insertion portion 111, and then the waterproof ring 14 is automatically mounted on the male housing 11 by the second assembling device 206, so that the waterproof treatment on the male connector 10 is completed, and the male connector 10 is assembled.
The second terminal member 221 is fed onto the second wire bonding device 208 by the fourth feeding device 207, and the second cable 222 is welded and fixed to the second terminal member 221 on the second wire bonding device 208 to form a second terminal assembly 220. The structure of the second wire bonding device 208 is substantially the same as that of the first wire bonding device 202, and the molding of the second terminal assembly 220 is substantially the same as that of the first terminal assembly 120, and will not be described again.
The male housing 11 is fed to the third assembling device 210 through the fifth feeding device 209, and a plurality of second terminal assemblies 220 are automatically assembled in the female housing 21 and the second terminal structure 22 is formed in the female housing 21 at the third assembling device 210. The second terminal structure 22 is sealed and fixed in the mother shell 21 by dispensing in the mother shell 21 by the second dispensing device, and the mother plug 20 is assembled. The assembly process of the female plug 20 is substantially the same as the assembly process of the male plug 10.
Referring to fig. 1 to 13, in the wire-to-wire connector 100 of the present invention, the insertion portion 111 is elliptical, the accommodating cavity 211 matched with the insertion portion 111 is also elliptical, the matching is tight, the overall size of the whole connector can be effectively reduced, more first terminal pieces 121 can be arranged in the insertion portion 111, and more second terminal pieces 221 can be arranged in the accommodating cavity 211, so that the overall structure is more compact and reasonable. The wire-to-wire connector 100 includes a male ferrule 10 and a female ferrule 20. The male plug 10 comprises a male housing 11 and a first terminal structure 12 located within the male housing 11, the first terminal structure 12 comprising a plurality of first terminal members 121. The female plug 20 includes a female housing 21 and a second terminal structure 22 located within the female housing 21, the second terminal structure 22 including a plurality of second terminal pieces 221. The male housing 11 is inserted into the female housing 21, and the plurality of second terminal members 221 are respectively inserted into the corresponding first terminal members 121, so that the insertion contact area is large, and the assembly effect is good. The first terminal piece 121 and the second terminal piece 221 in the invention adopt lathe piece terminals, have more reasonable structure and larger contact area, can also have vibration-proof effect, have longer opposite insertion service life and can pass larger current. At the one end of the male shell 11 and the one end of the female shell 21, glue is filled, so that the whole structure is more stable, and the waterproof effect is good. The wire-to-wire connector 100 of the invention has smaller overall volume, larger allowable passing current, compact and reasonable structural layout, prolonged service life and good waterproof effect. The whole manufacturing process of the invention has high automation degree, high production efficiency and good assembly effect.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (10)

1. A wire-to-wire connector, comprising:
A male plug comprising a male housing and a first terminal structure located within the male housing, the first terminal structure comprising a plurality of first terminal members;
the female plug comprises a female shell and a second terminal structure positioned in the female shell, wherein the second terminal structure comprises a plurality of second terminal pieces, the male shell is detachably plugged in the female shell, and the plurality of second terminal pieces are respectively and correspondingly electrically plugged in the corresponding first terminal pieces;
The male shell comprises an inserting portion, the cross section of the inserting portion is elliptical, the first terminal pieces are distributed in the inserting portion, the female shell comprises a containing cavity, the cross section of the containing cavity is also elliptical matched with the inserting portion, and the second terminal pieces are distributed in the containing cavity.
2. The wire-to-wire connector according to claim 1, wherein a mounting cavity is provided in the male housing, a plurality of mounting holes for correspondingly mounting the first terminal member are provided in the insertion portion, and the plurality of mounting holes are all communicated with the mounting cavity.
3. The wire-to-wire connector of claim 2, wherein one end of the first terminal member is positioned in the mounting hole, the other end of the first terminal member is positioned in the mounting cavity, a first cable is positioned in the mounting cavity and electrically connected to the first terminal member, and the mounting cavity is filled with a first glue to fix the first terminal member and the first cable and seal the mounting cavity.
4. The wire-to-wire connector according to claim 1, wherein the insertion portion is convexly provided with a protrusion and a first guide portion, and a mounting groove is formed between the protrusion and the first guide portion, a waterproof ring is mounted in the mounting groove, and the waterproof ring can be attached to an inner wall of the accommodating cavity; the end part of the inserting part, which is matched with the accommodating cavity in advance, is inclined inwards to form a second guide part convenient to install, and the installation groove is positioned at one end of the inserting part, which is far away from the second guide part.
5. The wire-to-wire connector according to claim 1, wherein a positioning portion for positioning the second terminal member is provided in the accommodating cavity, the positioning portion divides the accommodating cavity into a first cavity and a second cavity, a plurality of positioning holes are provided in the positioning portion, the second terminal member is mounted in the positioning holes, one end of the second terminal member located in the second cavity is electrically connected with a second cable, and the second cavity is filled with a second colloid, so that the second terminal member and the second cable are fixed by the second colloid, and the second cavity is sealed.
6. The wire-to-wire connector according to claim 5, wherein the insertion portion is inserted into the first cavity, one end of the first cavity is provided with a fixing portion that mates with the insertion portion, one end of the fixing portion is provided with a third guide portion that is convenient for installation, and the other end of the fixing portion is provided with a fourth guide portion that is convenient for installation.
7. The wire-to-wire connector according to claim 1, wherein the first terminal member is provided with a fitting cavity for inserting the second terminal member therein, an end portion of the first terminal member for inserting the second terminal member is inclined inward to form a guide portion for facilitating installation, and an end portion of the second terminal member, which is fitted with the first terminal member, is retracted to form an installation portion for facilitating installation; the outer wall of the first terminal piece is provided with a groove body for elastic movement of the outer wall along the axial direction, the groove body is communicated with the matching cavity, and the outer wall of the second terminal piece is convexly provided with a limiting part for mounting limiting.
8. The wire-to-wire connector according to claim 1, wherein a supporting base is provided at a bottom of the male housing, a clamping groove is formed in the supporting base and forms a first clamping portion with the male housing, a second clamping portion is provided at a bottom of the female housing, and the male housing is inserted into the female housing so that the second clamping portion is buckled with the first clamping portion.
9. A method of manufacturing a wire-to-wire connector according to any one of claims 1-8, comprising the steps of:
Welding and fixing cables in the first terminal piece to form a first terminal assembly, installing a plurality of first terminal assemblies in the male shell to form a first terminal structure, dispensing and fixing, and performing waterproof treatment on the male shell;
And welding and fixing the cables in the second terminal piece to form a second terminal assembly, and then installing a plurality of second terminal assemblies in the mother shell to form a second terminal structure and dispensing and fixing.
10. The manufacturing method according to claim 9, wherein the step S2 specifically includes the steps of:
The first terminal piece is fed onto a first welding wire device through a first feeding device, the first welding wire device comprises a cable conveying mechanism, a wire cutting and stripping mechanism, a cable positioning mechanism and a welding mechanism which are arranged along the transmission direction of a cable, the first feeding device is connected to the welding mechanism, the first cable is conveyed to the welding mechanism through the cable conveying mechanism, the first cable is positioned at the first terminal piece through the cable positioning mechanism, the welding mechanism is used for fixedly welding the first terminal piece and the first cable to form the first terminal assembly, and the wire cutting and stripping mechanism cuts the first cable according to a first preset length and strips the wire according to a second preset length;
Feeding the male shell to a first assembling device through a second feeding device, automatically assembling a plurality of first terminal assemblies in the male shell on the first assembling device, and forming the first terminal structure in the male shell; dispensing in the male shell through a first dispensing device to seal and fix the first terminal structure in the male shell;
performing waterproof treatment on the male plug on a second assembling device, wherein the second assembling device is connected with a third feeding device;
feeding the second terminal piece to a second wire bonding device through a fourth feeding device, and welding and fixing a cable to the second terminal piece on the second wire bonding device to form a second terminal assembly;
Feeding the male shell to a third assembling device through a fifth feeding device, automatically assembling a plurality of second terminal assemblies in the female shell on the third assembling device, and forming the second terminal structure in the female shell; and dispensing in the female shell through a second dispensing device so as to seal and fix the second terminal structure in the female shell, and completing the female plug assembly.
CN202411136379.9A 2024-08-19 2024-08-19 Wire-to-wire connector and method of manufacturing the same Pending CN118970511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411136379.9A CN118970511A (en) 2024-08-19 2024-08-19 Wire-to-wire connector and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411136379.9A CN118970511A (en) 2024-08-19 2024-08-19 Wire-to-wire connector and method of manufacturing the same

Publications (1)

Publication Number Publication Date
CN118970511A true CN118970511A (en) 2024-11-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411136379.9A Pending CN118970511A (en) 2024-08-19 2024-08-19 Wire-to-wire connector and method of manufacturing the same

Country Status (1)

Country Link
CN (1) CN118970511A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211929824U (en) * 2020-04-09 2020-11-13 东莞市何谐新能源科技有限公司 Multifunctional high-current connector assembly
CN218456176U (en) * 2022-10-08 2023-02-07 苏州快可光伏电子股份有限公司 Novel direct-insertion multi-core connector
CN219086379U (en) * 2023-01-03 2023-05-26 东莞市明柏电线制品有限公司 Energy storage opposite-plug connector assembly
CN220553631U (en) * 2023-07-18 2024-03-01 东莞维升电子制品有限公司 Waterproof female plug
CN220822158U (en) * 2023-06-06 2024-04-19 东莞海弘智能科技有限公司 Automatic production line for multi-stage detection, cutting, riveting and twisting of integrated connector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211929824U (en) * 2020-04-09 2020-11-13 东莞市何谐新能源科技有限公司 Multifunctional high-current connector assembly
CN218456176U (en) * 2022-10-08 2023-02-07 苏州快可光伏电子股份有限公司 Novel direct-insertion multi-core connector
CN219086379U (en) * 2023-01-03 2023-05-26 东莞市明柏电线制品有限公司 Energy storage opposite-plug connector assembly
CN220822158U (en) * 2023-06-06 2024-04-19 东莞海弘智能科技有限公司 Automatic production line for multi-stage detection, cutting, riveting and twisting of integrated connector
CN220553631U (en) * 2023-07-18 2024-03-01 东莞维升电子制品有限公司 Waterproof female plug

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