CN110265811B - Earphone connector, mobile terminal and manufacturing process of earphone connector - Google Patents
Earphone connector, mobile terminal and manufacturing process of earphone connector Download PDFInfo
- Publication number
- CN110265811B CN110265811B CN201910577841.1A CN201910577841A CN110265811B CN 110265811 B CN110265811 B CN 110265811B CN 201910577841 A CN201910577841 A CN 201910577841A CN 110265811 B CN110265811 B CN 110265811B
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- earphone
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 129
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 239000000565 sealant Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 30
- 229910000679 solder Inorganic materials 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 16
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000011218 segmentation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 21
- 238000005476 soldering Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000011265 semifinished product Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—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
- 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
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- 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
- H01R13/5213—Covers
-
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
-
- 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
-
- 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
- H01R43/24—Assembling by moulding on contact members
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to the technical field of connectors, and provides an earphone connector, which comprises: the terminal assembly comprises a contact terminal and a first welding terminal; the connector body is injection molded by taking a first welding terminal as an insert, a welding foot of the first welding terminal penetrates out of the surface of the connector body, the connector body is provided with a jack for plugging an earphone plug and a first through hole communicated with the jack, a contact terminal is arranged on the connector body and is abutted to the first welding terminal, and one end part of the contact terminal penetrates through the first through hole; the sealing structure is arranged on the connector body and is used for sealing the terminal assembly. A mobile terminal is also provided, including an earphone connector. The manufacturing process of the earphone connector is also provided: the terminal assembly is provided, the first welding terminal is used as an insert molding connector body, the contact terminal is installed, and the sealing structure is arranged. Through setting up terminal subassembly segmentation, avoid the high temperature to lead to terminal subassembly and glue separation, improve earphone connector waterproof performance.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to an earphone connector, a mobile terminal and a manufacturing process of the earphone connector.
Background
Along with the development of science and technology, electronic devices have become mobile terminals integrating functions of entertainment, recreation, multimedia interaction and the like, and more fashionable people hope to swim or dive in water and simultaneously can realize music listening, video watching, photographing, call receiving and the like through the electronic devices; meanwhile, in order to adapt to the development trend of ultra-thin electronic equipment such as mobile phones, the connector element of the electronic equipment is required to be precise and tiny, and the overall height is required to be thinner.
In order to enable electronic equipment to simultaneously meet better product quality and service performance requirements, waterproof earphone bases appear in the market at present, and waterproof modes of the waterproof earphone bases comprise: firstly, the surface mounting technology is utilized to meet the requirements of life water resistance; and (II) the mode of drag welding and dispensing of the flexible circuit board meets the requirement of deep water resistance. However, under the condition that deep waterproof needs to be realized, the flexible circuit board is fixed through drag welding and dispensing, wherein the metal terminal of the waterproof earphone seat is sealed and fixed through glue, the metal terminal absorbs heat at too high temperature relative to the plastic, the waterproof effect of the earphone seat is affected due to the fact that the metal terminal is separated from the glue easily at high temperature, the manufacturing process is complex, the molding efficiency of the earphone seat is low, the cost is high, and popularization is not facilitated.
Disclosure of Invention
The invention aims to provide an earphone connector, a mobile terminal and a manufacturing process of the earphone connector, and aims to solve the technical problem that in the prior art, a circuit board is fixed in a solder joint glue mode to cause that the waterproof effect of the earphone connector is easy to fail at high temperature.
To solve the above problems, an embodiment of the present invention provides an earphone connector, including:
a terminal assembly including a contact terminal and a first weld terminal;
The connector body takes the first welding terminal as an insert and is formed by injection molding, a welding foot of the first welding terminal penetrates out of the surface of the connector body, the connector body is provided with a jack for plugging an earphone plug and a first through hole communicated with the jack, the contact terminal is mounted on the connector body and is abutted against the first welding terminal so as to enable the contact terminal to be communicated with the first welding terminal, and one end part of the contact terminal penetrates through the first through hole;
and the sealing structure is arranged on the connector body and is used for sealing the terminal assembly.
Further, the connector body has a mounting groove for accommodating the contact terminal, and the contact terminal abuts against the first welding terminal when the contact terminal is placed in the mounting groove.
Further, the first welding terminal comprises a contact part for abutting against the contact terminal and a limiting arm formed by bending and extending the contact part, the limiting arm stretches into the connector body, and a welding foot of the first welding terminal is connected with the contact part.
Further, the contact terminal comprises a substrate, a protruding portion protruding from one side of the substrate, and an elastic arm formed by bending and extending the edge of the substrate, wherein the substrate is inserted into the mounting groove, the protruding portion is pressed against the contact portion, and the tail end of the elastic arm penetrates through the first via hole.
Further, the terminal assembly further includes a second welding terminal disposed adjacent to the first welding terminal, the connector body is injection molded with the first welding terminal and the second welding terminal as an insert, a welding foot of the second welding terminal penetrates out of a surface of the connector body, the connector body has a second via hole communicated with the insertion hole, the second via hole is disposed close to an opening of the insertion hole, and one end of the second welding terminal penetrates through the second via hole.
Further, the number of the first welding terminals is five, the number of the second welding terminals is one, three of the first welding terminals are arranged side by side and distributed on one side portion of the connector body, and the other two of the first welding terminals and the second welding terminals are arranged side by side and distributed on the other side portion of the connector body.
Further, the sealing structure comprises a sealant and a sealing cover covered on the terminal assembly, and the sealant is filled in a gap between the sealing cover and the connector body and forms a sealant layer.
Further, a limit groove is formed in the connector body, the sealing cover comprises a cover plate and a limit block protruding from the end portion of the cover plate, the cover plate is arranged on the terminal assembly in a covering mode, and the limit block is correspondingly inserted into the limit groove.
The earphone connector provided by the invention has the beneficial effects that: compared with the prior art, the terminal assembly is arranged on the connector body in a segmented mode, namely the first welding terminal is used as an insert to be injection molded on the connector body, the contact terminal is arranged on the connector body and is abutted against the first welding terminal, so that the conduction between the contact terminal and the welding terminal is realized, the terminal assembly can be fixed on the connector body without main point glue, meanwhile, the sealing structure is sealed on the terminal assembly, the situation that the waterproof effect is invalid due to the fact that the terminal assembly is too high in temperature and absorbs heat too fast in the using process of the earphone connector is avoided, and the waterproof performance of the earphone connector is improved; and the terminal assembly is arranged in a segmented mode and sealed through the sealing structure, so that the material is simple and the cost is low.
The embodiment of the invention also provides the mobile terminal, which comprises the earphone connector.
According to the mobile terminal provided by the invention, by adopting the arrangement of the earphone connector, the terminal assembly is not required to be fixed on the connector body in a dispensing mode, the situation that the waterproof effect is invalid due to separation between the terminal assembly and glue caused by overhigh temperature and over-fast heat absorption of the terminal assembly in the use process of the earphone connector is avoided, the waterproof performance of the mobile terminal is improved, the material is simple, and the cost is low.
The invention also provides a manufacturing process of the earphone connector, wherein the earphone connector comprises the following steps:
Providing a terminal assembly;
Injection molding the connector body with the first welding terminal as an insert;
mounting the contact terminal on the connector body such that the contact terminal abuts against the first welding terminal and one end of the contact terminal passes through the first via hole;
the sealing structure is arranged on the connector body so as to seal the terminal assembly.
According to the manufacturing process of the earphone connector, the terminal assembly is arranged on the connector body in a segmented mode, the sealing structure is sealed on the terminal assembly, so that the terminal assembly is not required to be fixed on the connector body in a dispensing mode, the situation that the waterproof effect is invalid due to the fact that the terminal assembly is separated from glue due to the fact that the temperature of the terminal assembly is too high and heat absorption is too fast in the using process of the connector is avoided, and the waterproof performance of the connector is improved; and the terminal assembly is arranged in a segmented mode and sealed through the sealing structure, so that the process is simple and the cost is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an earphone connector according to an embodiment of the present invention;
Fig. 2 is a schematic perspective view of a connector body of an earphone connector according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a mating structure of a terminal assembly of an earphone connector according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a first welding terminal of an earphone connector according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a contact terminal of an earphone connector according to an embodiment of the present invention;
Fig. 6 is a schematic perspective view of a sealant layer of an earphone connector according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a sealing cover of an earphone connector according to an embodiment of the present invention;
fig. 8 is a schematic view of a part of the structure of an earphone connector according to an embodiment of the present invention;
Fig. 9 is a schematic perspective view of a sealing ring of an earphone connector according to an embodiment of the present invention;
Fig. 10 is a molding process diagram of a connector body in an earphone connector according to an embodiment of the present invention;
FIG. 11 is a connector body resulting from the process of FIG. 10;
fig. 12 is a process diagram of mounting a contact terminal in an earphone connector according to an embodiment of the present invention;
FIG. 13 is a semi-finished view of the earphone connector obtained in the process of FIG. 12;
Fig. 14 is a mounting process diagram of a sealing cover of an earphone connector according to an embodiment of the present invention;
fig. 15 is a second semi-finished view of the earphone connector obtained in the process of fig. 14;
Fig. 16 is a process diagram of a sealant layer of an earphone connector according to an embodiment of the present invention;
fig. 17 is a semi-finished view III of the earphone connector obtained in the process of fig. 16;
fig. 18 is a mounting process diagram of sealant of an earphone connector according to an embodiment of the present invention;
Fig. 19 is a headset connector resulting from the process of fig. 18.
Wherein, each reference sign in the figure:
A 100-connector body; 200-terminal assembly; 300-sealant layer/layer; 400-sealing cover; 500-sealing rings; 600-frame body; 700-material bags; 11-jacks; 12-a first via; 13-mounting slots; 14-a limit groove; 15-a first side; 16-a second side; 17-third side; 18-grooves; 19-steps; 21-contact terminals; 22-a first welding terminal; 23-a second welding terminal; 41-cover plate; 42-limiting blocks; 211-a substrate; 212-a protrusion; 213-a resilient arm; 221-contact; 222-a limiting arm; 223-a solder foot of the first solder terminal; 224-process gap; 231-a solder foot of the second solder terminal; 232-conducting part.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 9 together, the earphone connector provided by the embodiment of the invention includes a connector body 100, a terminal assembly 200 and a sealing structure, and is applied in a mobile terminal, so as to solve the technical problem that the waterproof effect of the earphone connector is easy to fail at high temperature due to the fact that a circuit board is fixed by a solder joint glue mode in the prior art.
Specifically, the terminal assembly 200 includes a contact terminal 21 and a first welding terminal 22; the connector body 100 is formed by injection molding with the first welding terminal 22 as an insert, the welding pin 223 of the first welding terminal 22 penetrates out of the surface of the connector body 100, the connector body 100 is provided with a jack 11 for plugging in an earphone plug and a first through hole 12 communicated with the jack 11, the contact terminal 21 is mounted on the connector body 100 and is abutted against the first welding terminal 22 so as to lead the contact terminal 21 to be communicated with the first welding terminal 22, and one end part of the contact terminal 21 penetrates through the first through hole 12 and is electrically connected with the earphone plug; the sealing structure is arranged on the connector body 100 and used for sealing the terminal assembly 200 in the connector body 100, so that external moisture is prevented from entering the terminal assembly 200 to influence the waterproof effect of the earphone connector, and the inside of the terminal assembly 200 is not required to be fixed by glue.
In the embodiment of the invention, the terminal assembly 200 is arranged on the connector body 100 in a segmented manner, namely, the first welding terminal 22 is used as an insert for injection molding on the connector body 100, the contact terminal 21 is arranged on the connector body 100 and is abutted against the first welding terminal 22, so that the conduction between the contact terminal 21 and the welding terminal is realized, the terminal assembly 200 can be fixed on the connector body 100 without main glue, and meanwhile, the sealing structure is sealed on the terminal assembly 200, thereby avoiding the situation that the waterproof effect is invalid due to the separation between the terminal assembly 200 and the glue caused by overhigh temperature and overhigh heat absorption of the terminal assembly 200 in the use process of the earphone connector, and improving the waterproof performance of the earphone connector; and the terminal assembly 200 is provided in a segmented manner and sealed by a sealing structure, and is simple in material and low in cost.
Specifically, in this embodiment, the earphone connector is applied to the inside of the electronic device and is electrically connected to the circuit board inside the electronic device, so as to connect to an external earphone plug, thereby realizing the electrical connection between the electronic device and the earphone. The electronic device is usually a mobile terminal, and includes mobile electronic devices such as a mobile phone, a tablet, and a notebook.
Specifically, in this embodiment, the contact terminal 21 abuts against the first welding terminal 22, so as to realize mutual conduction between the contact terminal 21 and the first welding terminal 22, the contact terminal 21 partially passes through the first via hole 12 and contacts with the plug of the external earphone, and the first welding terminal 22 is electrically connected to the circuit board inside the mobile terminal, so that the external earphone is electrically connected to the circuit board of the mobile terminal, thereby realizing use of the earphone.
Specifically, in this embodiment, the connector body 100 is formed by injection molding the first welding terminal 22 as an insert, so that the connection between the first welding terminal 22 and the connector body 100 is very simple and convenient, and the cost is low, meanwhile, the injection molding of the first welding terminal 22, and the contact terminal 21 abuts against the first welding terminal 22, so that the situation that the connector body 100 is directly assembled in the connector body 100 through the first welding terminal 22 in the prior art is avoided, and the clearance hole for installing the first welding terminal 22 is formed in the connector body 100, so that a gap exists between the connector body 100 and the first welding terminal 22, and therefore, the sealant 300 is easy to permeate the outside of the product to affect the appearance. Meanwhile, the fixing of the first welding terminal 22 is achieved in an injection molding mode, the fact that the size of the first welding terminal 22 can be relatively accurate can be guaranteed, and the accuracy of the earphone connector is improved.
Specifically, in this embodiment, the terminal assembly 200 is arranged in a segmented manner, that is, the first welding terminal 22 and the contact terminal 21 are mutually conducted and arranged in a segmented manner, and the contact terminal 21 is elastically connected to the first welding terminal 22, so that the contact terminal 21 can be electrically connected with the first welding terminal 22 more accurately, that is, no glue is required to be arranged between the contact terminal 21 and the first welding terminal 22 to fix the contact terminal, and the contact terminal is sealed on the terminal assembly 200 through the sealing structure, so that the possibility of glue penetrating the terminal assembly 200 is avoided, and therefore the situation that the contact terminal is easily separated from the glue when the temperature of the terminal assembly 200 is increased, resulting in failure of the waterproof effect, can be avoided. Wherein the terminal assembly 200 is provided as a metal piece.
Referring to fig. 1 and 2 together, in the present embodiment, the earphone connector is configured as a cuboid, and the connector body 100 is made of plastic material, but not limited thereto.
Referring to fig. 1 to 4, in the present embodiment, the connector body 100 has a first side 15 and a second side 16 disposed opposite to each other, and a third side 17 disposed adjacent to the first side 15 and the second side 16, respectively, wherein the third side 17 is disposed between the first side 15 and the second side 16. Wherein the opening of the jack 11 is disposed on the third side 17 and the jack 11 protrudes out of the interior of the connector body 100, the contact terminal 21 is located on the first side 15 and abuts against the first soldering terminal 22, and the soldering leg 223 of the first soldering terminal 22 passes from the first side 15 to the second side 16 of the connector body 100.
Specifically, referring to fig. 1, in the present embodiment, steps 19 are provided at two ends of the second side 16 and the jack 11, the solder pins 223 of the first solder terminal 22 extend out of the steps 19, the external circuit board is disposed on the steps 19 at two ends, and the external circuit board is provided with a connection hole, the solder pins 223 of the first solder terminal 22 extend into the connection hole to electrically connect with the external circuit board, and the connection hole and the solder pins are fixed by soldering. In this embodiment, the external circuit board is configured as a circuit board in the mobile terminal.
Further, referring to fig. 1 to 4 together, in the present embodiment, the connector body 100 has a mounting groove 13 for accommodating the contact terminal 21, and the contact terminal 21 abuts against the first welding terminal 22 when the contact terminal 21 is placed in the mounting groove 13. An inner side wall of the mounting groove 13 is a first welding terminal 22, the contact terminal 21 is mounted in the mounting groove 13 and is abutted against an inner side wall of the mounting groove 13, the first via hole 12 is positioned on one side of the mounting groove 13 opposite to the position of the first welding terminal 22, and the first via hole 12 is respectively communicated with the mounting groove 13 and the jack 11.
Further, referring to fig. 1 to 4 together, in the present embodiment, the first welding terminal 22 includes a contact portion 221 and a welding leg 223 of the first welding terminal 22, and the welding leg 223 of the first welding terminal 22 is connected to the contact portion 221, that is, the welding leg 223 of the first welding terminal 22 is formed by bending and extending from the contact portion 221.
In this embodiment, the first welding terminal 22 further includes a limiting arm 222, the limiting arm 222 is formed by bending and extending the contact portion 221, the limiting arm 222 extends into the connector body 100, the fixing between the first welding terminal 22 and the connector body 100 is enhanced, and a process notch 224 is further formed in the limiting arm 222, which is beneficial to clamping and fixing the first welding terminal 22 in the forming process of the connector body 100, and facilitates the injection molding work of the connector body 100.
Specifically, in the present embodiment, the contact portion 221 is provided as an inner side wall of the mounting groove 13, the contact terminal 21 is mounted in the mounting groove 13 and abuts against the contact portion 221, and the contact portion 221 has a communication function to realize conduction between the first welding terminal 22 and the contact terminal 21. The soldering leg 223 of the first soldering terminal 22 has a mounting groove 13 protruding from the surface of the connector body 100, i.e., protruding from the step 19 of the connector body 100, for soldering with a circuit board in the mobile terminal.
Further, referring to fig. 1 to 5, in the present embodiment, the contact terminal 21 includes a substrate 211, a protruding portion 212 and an elastic arm 213, the protruding portion 212 is formed by protruding from one side of the substrate 211, the elastic arm 213 is formed by bending and extending an edge of the substrate 211, the substrate 211 is inserted into the mounting groove 13 and is disposed parallel to the contact portion 221, and the protruding portion 212 elastically abuts against the contact portion 221 to realize electrical connection with the first solder terminal 22; the elastic arm 213 is partially abutted against the inner side wall of the mounting groove 13 opposite to the contact portion 221, and the end of the elastic arm 213 passes through the first via hole 12 and contacts with the plug of the external earphone, so as to electrically connect the external earphone with the first welding terminal 22.
Further, referring to fig. 1 to 3 together, in the present embodiment, the terminal assembly 200 further includes a second welding terminal 23 disposed adjacent to the first welding terminal 22, the connector body 100 is formed by injection molding with the first welding terminal 22 and the second welding terminal 23 as an insert, the second welding terminal 23 is disposed at one end near the third side 17, the welding pin 231 of the second welding terminal 23 penetrates out of the surface of the connector body 100, the connector body 100 has a second via hole (not shown) communicating with the jack 11, the second via hole is disposed near the opening of the jack 11, and one end of the second welding terminal 23 penetrates through the second via hole and contacts with the plug of the external earphone to realize the electrical connection between the second welding terminal 23 and the external earphone.
Specifically, in the present embodiment, the soldering leg 231 of the second soldering terminal 23 also protrudes out of the step 19 of the connector body 100 for soldering with the connection hole of the circuit board.
Specifically, an end portion of the second welding terminal 23 passing through the second via hole is set as a conducting portion 232, and part of the conducting portion passes through the second via hole and also passes through the opening of the jack 11, and the conducting portion 232 is elastically abutted against the external earphone, so as to realize the electrical connection between the plug of the external earphone and the second welding terminal 23.
Specifically, in the present embodiment, the second soldering terminal 23 is provided as a microphone terminal, i.e., MIC terminal.
Specifically, in this embodiment, the connector body 100 is further formed by injection molding the second welding terminal 23 as an insert, so that the earphone connector is formed simply and conveniently in an injection molding manner, and the cost is low, so that the problem that the second welding terminal 23 is fixed by obliquely inserting the second welding terminal 23 through the through hole in the prior art is avoided, and the process is difficult and the automatic production of the machine is difficult to realize, so that the process is simple and the mass production is easier.
Further, referring to fig. 2 to 5, in the present embodiment, the number of the first welding terminals 22 is five, the number of the second welding terminals 23 is one, wherein three of the first welding terminals 22 are arranged side by side and distributed on one side of the connector body 100, and the other two of the first welding terminals 22 and the second welding terminals 23 are arranged side by side and distributed on the other side of the connector body 100, and are opposite to the three of the first welding terminals 22 in a one-to-one correspondence manner.
Correspondingly, the number of the contact terminals 21 and the mounting grooves 13 is five, and the first welding terminals 22 and the second welding terminals 23 are respectively arranged at two sides of the jack 11.
Specifically, in the present embodiment, five first welding terminals 22 are in abutting connection with five contact terminals 21 to form five integral terminals, and the five terminals include a ground terminal, a left channel terminal, a right channel terminal, a switch terminal, and the like, respectively, and the second welding terminal 23 is a microphone terminal.
Further, referring to fig. 2, 6 and 7, in the present embodiment, the sealing structure includes a sealant 300 and a sealing cover 400 covering the terminal assembly 200, the sealing cover 400 covers the mounting groove 13 and seals the terminal assembly 200, so as to avoid exposing the terminal assembly 200, and the sealant 300 fills the gap between the sealing cover 400 and the connector body 100 and forms a sealant layer 300. The main waterproof effect of the earphone connector in the embodiment is shown in that the sealant 300 is filled between the sealing cover 400 and the connector body 100, the sealing cover 400 and the sealant 300 are both positioned on the outer side of the terminal assembly 200, the connector body 100, the sealing cover 400 and the sealant 300 form a waterproof layer for protecting the terminal assembly 200, and the sealant 300 does not need to permeate onto the terminal assembly 200, so that the waterproof effect of the terminal assembly 200 is not required to be realized by directly arranging the sealant 300 on the terminal assembly 200.
Wherein the sealing cover 400 is provided as a plastic member. And the sealant 300 is connected with the gap between the sealing cover 400 and the connector body 100, and is also paved on the surface of the sealing cover 400 to realize the integral sealing effect of the connector body 100, meanwhile, the sealant 300 is not contacted or permeated onto the terminal assembly 200, and the sealant 300 is only connected with the sealing cover 400 serving as a plastic part and the connector body 100, and because the metal part and the sealant 300 are easy to separate when the temperature is higher, the sealant 300 avoids the contact between the terminal assembly 200 and the sealant 300, so that the sealing effect of the sealant 300 between the sealing covers 400 is stronger and is not easy to separate, and the waterproof effect of the earphone connector is improved. In the present embodiment, the connector body 100, the sealing cap 400 and the sealing compound 300 form a main waterproof layer, and even if the sealing compound 300 penetrates onto the terminal assembly 200, the waterproof layer formed by the connector body 100, the sealing cap 400 and the sealing compound 300 is not disturbed when the terminal assembly 200 is separated from the sealing compound 300 at an excessively high temperature, and thus the waterproof of the terminal assembly 200 is not affected. Therefore, the waterproofing result in the present embodiment is less likely to fail.
Further, referring to fig. 2,6 and 7, in the present embodiment, the connector body 100 is provided with a limiting groove 14, the sealing cover 400 includes a cover 41 and a limiting block 42 protruding from an end of the cover 41, the cover 41 is covered on the terminal assembly 200, and the limiting block 42 is correspondingly inserted into the limiting groove 14.
Specifically, in the present embodiment, the limiting groove 14 is disposed on the connector body 100 and is located at the outer side of the mounting groove 13, the limiting groove 14 is mutually communicated with the mounting groove 13, the limiting groove 14 and the mounting groove 13 are disposed in one-to-one correspondence, the limiting groove 14 is formed but not limited to a square groove, and the opening is disposed towards the outer side of the connector body 100.
The sealing cover 400 includes a cover 41 and a limiting block 42 protruding from an end of the cover 41, the cover 41 is covered on the mounting groove 13, and the limiting block 42 is correspondingly inserted into the limiting groove 14 to limit the cover 41, so that the cover 41 is fixed on the mounting groove 13, and sealing effect of the terminal assembly 200 is achieved. Meanwhile, the sealant 300 fills the gap between the sealing cover 400 and the connector body 100, and due to the sealing effect of the cover plate 41, the sealant 300 is not easy to permeate into the terminal assembly 200, and the combination of the sealant 300, the connector body 100 and the sealing cover 400 ensures that the whole formed by the sealing cover 400 and the sealant layer 300 is firmly fixed on the connector body 100, namely, the sealant 300 is not required to be directly sealed on the terminal assembly 200, so that the sealant is not easy to fail at high temperature, and the sealing waterproof effect of the earphone connector is improved.
Further, referring to fig. 8 and 9 together, in the present embodiment, a hollow frame 600 is protruded outside the opening of the jack 11 on the connector body 100, the frame 600 is located at the third side 17 of the connector body 100, the opening of the jack 11 is set as the middle position of the frame 600, the frame 600 partially extends out of the third side 17, the frame 600 and the connector body 100 enclose a ring-shaped groove 18, a sealing ring 500 is embedded in the groove 18, and the inner side wall of the sealing ring 500 abuts against the outer side wall of the frame 600, so that the sealing ring 500 partially extends out of the third side 17 to enhance the sealing effect of the earphone connector.
Specifically, in this embodiment, mobile terminal includes the casing of interior holding chamber of establishing, and the earphone connector sets up in this holding intracavity, and sealing washer 500 butt in the inside wall setting of casing, forms the interference between the casing of sealing washer 500 and cell-phone, has formed the seal in clearance between earphone connector and the cell-phone casing to make the cell-phone in the use, need not use special waterproof plug, the cell-phone is placed under certain water pressure for a long time promptly, the inside that the water got into mobile terminal through earphone connector can not all appear, improves earphone connector's sealed effect.
Further, the invention also provides a mobile terminal, which comprises a mobile terminal body and an earphone connector, wherein the earphone connector is arranged in the mobile terminal body, and the earphone connector is the earphone connector and is not repeated here.
Specifically, in this embodiment, a circuit board is built in the mobile terminal, and the circuit board is electrically connected to the earphone connector. Specifically, a connection hole is formed in the circuit board, and the welding leg 223 of the first welding terminal 22 and the welding leg 231 of the second welding terminal 23 in the earphone connector extend into the connection hole and are fixedly connected by welding.
In this embodiment, the mobile terminal is not limited to a mobile phone.
According to the mobile terminal provided by the invention, by adopting the arrangement of the earphone connector, the terminal assembly 200 is not required to be fixed on the connector body 100 in a dispensing mode, the situation that the waterproof effect is invalid due to separation between the terminal assembly 200 and glue caused by overhigh temperature and overhigh heat absorption of the terminal assembly 200 in the use process of the earphone connector is avoided, the waterproof performance of the mobile terminal is improved, the material is simple, and the cost is low.
Further, referring to fig. 10 to 19, the present invention also provides a manufacturing process of the earphone connector, wherein the earphone connector is the same as the earphone connector, and the description thereof is omitted. The manufacturing process of the earphone connector comprises the following steps:
Providing a terminal assembly 200;
Referring to fig. 10 to 12 together, in the present embodiment, the terminal assembly 200 includes a first welding terminal 22, a second welding terminal 23 and a contact terminal 21, wherein the first welding terminal 22 and the second welding terminal 23 are simultaneously disposed on one material bag 700.
Referring to the molding process diagram of fig. 10, in this step, the connector body 100 is molded by injection molding with the first solder terminal 22 as an insert;
referring to fig. 10 and 11 together, in the present embodiment, the connector body 100 is further molded by injection molding with the second welding terminal 23 as an insert, so as to obtain the connector body 100 shown in fig. 11; wherein, the first welding terminal 22 is disposed adjacent to the second welding section, and the obtained connector body 100 has been provided with a limit groove 14, an insertion hole 11, a mounting groove 13, a first via hole 12, a second via hole, and the like.
Referring to the molding process diagram of fig. 12, in this step, the contact terminal 21 is mounted on the connector body 100 shown in fig. 11, the contact terminal 21 is abutted against the first soldering terminal 22, and one end of the contact terminal 21 passes through the first via hole 12, so as to obtain a semi-finished product diagram of the earphone connector shown in fig. 13;
Referring to fig. 14 and 16, in this step, a sealing structure is disposed on the connector body 100 shown in fig. 13 to seal the terminal assembly 200.
Specifically, referring to the process of fig. 14, in this step, a sealing cover 400 is mounted on the semi-finished product of the earphone connector shown in fig. 13, and a limiting block 42 is limited on the limiting groove 14, so as to obtain the semi-finished product of the earphone connector shown in fig. 15.
Referring to the process in fig. 16, in this step, a sealant layer 300 is disposed on the semi-finished product of the earphone connector shown in fig. 15, specifically, a sealant 300 is disposed on a gap between the sealing cover 400 and the connector body 100, and the sealant 300 is solidified to form the sealant layer 300, so as to obtain the semi-finished product of the earphone connector shown in fig. 17.
Referring to the process shown in fig. 18, in this step, a sealing ring 500 is provided on the semi-finished product of the earphone connector obtained in fig. 17, to obtain the earphone connector shown in fig. 19. In this embodiment, when the earphone connector is installed in the mobile terminal, the sealing ring 500 is used to abut against the inner sidewall of the housing of the mobile terminal, so as to enhance the sealing and waterproof functions.
In this embodiment, the above process steps are not limited only as long as the earphone connector can be completed.
According to the manufacturing process of the earphone connector, the terminal assembly 200 is arranged on the connector body 100 in a segmented mode, and the sealing structure is sealed on the terminal assembly 200, so that the terminal assembly 200 is not required to be fixed on the connector body 100 in a dispensing mode, the situation that the waterproof effect is invalid due to separation between the terminal assembly 200 and glue caused by overhigh temperature and over-fast heat absorption of the terminal assembly 200 in the using process of the earphone connector is avoided, and the waterproof performance of the earphone connector is improved; and the terminal assembly 200 is arranged in a segmented manner and sealed by a sealing structure, so that the process is simple and the cost is low.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. An earphone connector, comprising:
a terminal assembly including a contact terminal and a first weld terminal;
The connector body takes the first welding terminal as an insert and is formed by injection molding, a welding foot of the first welding terminal penetrates out of the surface of the connector body, the connector body is provided with a jack for plugging an earphone plug and a first through hole communicated with the jack, the contact terminal is mounted on the connector body and is abutted against the first welding terminal so as to enable the contact terminal to be communicated with the first welding terminal, and one end part of the contact terminal penetrates through the first through hole;
a sealing structure provided on the connector body for sealing the terminal assembly;
the connector body has a mounting groove for accommodating the contact terminal, and the contact terminal abuts against the first welding terminal when the contact terminal is placed in the mounting groove;
The first welding terminal comprises a contact part for abutting against the contact terminal and a limiting arm formed by bending and extending the contact part, the limiting arm stretches into the connector body, and a welding foot of the first welding terminal is connected with the contact part;
the contact terminal comprises a substrate, a protruding part protruding from one side of the substrate and an elastic arm formed by bending and extending the edge of the substrate, wherein the substrate is inserted into the mounting groove, the protruding part is pressed against the contact part, and the tail end of the elastic arm passes through the first through hole;
The connector body has a second via in communication with the receptacle, the second via disposed proximate to the opening of the receptacle.
2. The earphone connector of claim 1, wherein said terminal assembly further comprises a second solder terminal disposed adjacent to said first solder terminal, said connector body is injection molded with said first solder terminal and said second solder terminal as an insert, a solder foot of said second solder terminal extends out of a surface of said connector body, and an end of said second solder terminal extends through said second via.
3. The earphone connector of claim 2, wherein the number of the first welding terminals is five, the number of the second welding terminals is one, three of the first welding terminals are arranged side by side and distributed on one side of the connector body, and the other two of the first welding terminals and the second welding terminals are arranged side by side and distributed on the other side of the connector body.
4. A headset connector as claimed in any one of claims 1 to 3 wherein the sealing arrangement comprises a sealant and a sealing cap arranged over the terminal assembly, the sealant filling a gap between the sealing cap and the connector body and forming a sealant layer.
5. The earphone connector of claim 4, wherein the connector body is provided with a limit groove, the sealing cover comprises a cover plate and a limit block protruding from the end of the cover plate, the cover plate is covered on the terminal assembly, and the limit block is correspondingly inserted into the limit groove.
6. A mobile terminal comprising a headset connector according to any of claims 1-5.
7. A process for manufacturing an earphone connector according to any one of claims 1 to 5, comprising the steps of:
Providing a terminal assembly;
Injection molding the connector body with the first welding terminal as an insert;
mounting the contact terminal on the connector body such that the contact terminal abuts against the first welding terminal and one end of the contact terminal passes through the first via hole;
the sealing structure is arranged on the connector body so as to seal the terminal assembly.
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| CN201910551079X | 2019-06-24 | ||
| CN201910551079 | 2019-06-24 |
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| CN201910577841.1A Active CN110265811B (en) | 2019-06-24 | 2019-06-28 | Earphone connector, mobile terminal and manufacturing process of earphone connector |
| CN201921013041.9U Active CN209948113U (en) | 2019-06-24 | 2019-06-28 | Earphone connector and mobile terminal |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM447021U (en) * | 2012-08-01 | 2013-02-11 | Cheng Uei Prec Ind Co Ltd | Receptacle connector |
| CN209948113U (en) * | 2019-06-24 | 2020-01-14 | 深圳君泽电子有限公司 | Earphone connector and mobile terminal |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200194324Y1 (en) * | 1997-12-20 | 2000-09-01 | 변재중 | Audio plug |
| CN101771210B (en) * | 2009-01-06 | 2012-07-04 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202737215U (en) * | 2012-06-22 | 2013-02-13 | 富港电子(天津)有限公司 | Audio frequency socket connector |
| CN203826637U (en) * | 2014-02-20 | 2014-09-10 | 深圳君泽电子有限公司 | Earphone connector and electronic equipment |
| CN204167592U (en) * | 2014-10-13 | 2015-02-18 | 东莞市精和电子科技有限公司 | Waterproof headphone holder |
| CN204464614U (en) * | 2015-03-05 | 2015-07-08 | 东莞市泰威电子有限公司 | An Improved Waterproof Earphone Connector |
| CN106803625B (en) * | 2015-11-26 | 2019-04-12 | 深圳君泽电子有限公司 | Earphone connector, preparation method thereof and mobile terminal with earphone connector |
| KR20180108968A (en) * | 2017-03-24 | 2018-10-05 | 주식회사 제이앤티씨 | Board solder type waterproof ear connector and its manufacturing method |
| CN108666785B (en) * | 2018-03-22 | 2024-11-22 | 深圳君泽电子有限公司 | Earphone connector and manufacturing method thereof, and mobile terminal having the earphone connector |
-
2019
- 2019-06-28 CN CN201910577841.1A patent/CN110265811B/en active Active
- 2019-06-28 CN CN201921013041.9U patent/CN209948113U/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM447021U (en) * | 2012-08-01 | 2013-02-11 | Cheng Uei Prec Ind Co Ltd | Receptacle connector |
| CN209948113U (en) * | 2019-06-24 | 2020-01-14 | 深圳君泽电子有限公司 | Earphone connector and mobile terminal |
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| CN110265811A (en) | 2019-09-20 |
| CN209948113U (en) | 2020-01-14 |
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