CN116315821A - Terminal module and connector - Google Patents

Terminal module and connector Download PDF

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Publication number
CN116315821A
CN116315821A CN202310157401.7A CN202310157401A CN116315821A CN 116315821 A CN116315821 A CN 116315821A CN 202310157401 A CN202310157401 A CN 202310157401A CN 116315821 A CN116315821 A CN 116315821A
Authority
CN
China
Prior art keywords
terminal
support body
terminal module
insulator
inner support
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
CN202310157401.7A
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Chinese (zh)
Inventor
刘成荫
张磊
谢亚军
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.)
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology 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 China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Priority to CN202310157401.7A priority Critical patent/CN116315821A/en
Publication of CN116315821A publication Critical patent/CN116315821A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • 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
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure

Abstract

The invention relates to the technical field of fixing of contact pieces of connectors, in particular to a terminal module and a connector, wherein the connector comprises a terminal module, the terminal module comprises an insulator, a differential pair is arranged on the insulator, the differential pair comprises two terminals which are arranged in parallel along the thickness direction of the insulator, the insulator comprises an inner support body and an outer coating body, the two terminals of the differential pair are respectively assembled at two sides of the inner support body in the thickness direction and form a pre-fixing unit, and the pre-fixing unit and the outer coating body are integrally formed and fixed into a whole; the mould shaping of being convenient for and interior supporter can realize symmetrical design, and the insulator is difficult to take place to warp, and the assembly operation of being convenient for is favorable to guaranteeing the uniformity of product.

Description

Terminal module and connector
Technical Field
The invention relates to the technical field of fixing of contact pieces of connectors, in particular to a terminal module and a connector.
Background
The high-speed connector comprises a plurality of terminal modules which are installed in parallel, wherein each terminal module comprises an insulator, a differential pair is installed on the insulator, each differential pair is formed by a pair of wiring terminals, for an orthogonal connector adopting a broadside coupling mode, two terminals of each differential pair in the orthogonal connector are respectively positioned on two insulating split bodies, as in the Chinese patent application with application publication number of CN113690695A and application publication number of 2021, 11 and 23, the bent female connector comprises a plurality of bent female wafers (terminal modules) which are distributed in parallel, bent female signal terminals on the same bent female wafer are provided with a contact end, a crimping end and a terminal body connected with the contact end and the crimping end, the terminal body and the contact end are in a broadside coupling mode, the broadside coupling means that the arrangement direction of each differential pair in one wafer is perpendicular to the arrangement direction of two signal terminals forming the differential pair, namely, when the broadside coupling is carried out, the signal terminals in one wafer are arranged in two rows along the arrangement direction of the pair, and the two rows of bent female signal terminals are respectively installed on the two bent differential insulators.
The terminal and the insulator of the connector are fixed together through integrated into one piece, two rows of bent female signal terminals are respectively integrated into one piece with two bent female insulators, after the bent female insulators are formed, the two bent female insulators are bonded and fixed together, namely, the two half-involution type structure is adopted, and because the structures on two sides of the bent female insulators in the thickness direction are different, after the bent female insulators are subjected to injection molding through a mold, warpage easily occurs, especially, the more the number of the terminals is, the larger the size is, the more easily occurs, the warpage is, the opposite side surfaces of the two bent female insulators cannot be bonded smoothly, the alignment of hole sites and the relative positions of the terminals are easily influenced, and the performance consistency after the product assembly is not facilitated.
Disclosure of Invention
The invention aims to provide a terminal module so as to solve the problem that the insulator of the current terminal module is easy to warp to influence the consistency of products; the invention also provides a connector, which solves the problem that the insulator of the terminal module of the current connector is easy to warp to influence the consistency of products.
The terminal module of the invention has the technical scheme that:
the utility model provides a terminal module, includes the insulator, is equipped with the difference on the insulator, and the difference is to including following the both ends that the insulator thickness direction was listed as, and the insulator includes internal support body and outer cladding body, and the both ends of difference pair assemble respectively in the both sides of the thickness direction of internal support body and constitute the prefixed unit, and the prefixed unit is fixed as an organic wholely through integrated into one piece with outer cladding body.
The beneficial effects are that: the invention improves on the basis of the terminal module in the prior art, the terminal and the insulator are fixed in two steps, the terminal is firstly mounted on the independently formed inner support body in an assembling mode, the terminal and the inner support body form a pre-fixing unit, the inner support body can position and support the relative position of each terminal, then the pre-fixing unit is integrally formed along with the outer coating body through a die, the outer coating body can firmly fix the terminal, the structural design is convenient for the die forming, the inner support body can realize symmetrical design, compared with the two half-involution structure of the existing terminal module, the insulator is difficult to warp, the assembling operation is convenient, and the consistency of products is guaranteed.
Further, one of the terminal and the inner support body is provided with a clamping groove, and the other is provided with a clamping part which is clamped into the clamping groove.
The beneficial effects are that: the terminal is clamped on the inner support body through the matching of the clamping groove and the clamping part, and the structure is simple and the operation is convenient.
Further, the clamping portion is formed by a narrowed portion provided on the terminal, and the clamping groove is provided on the inner support body.
The beneficial effects are that: the terminal is provided with the narrowing part and is clamped on the inner supporting body by the narrowing part, on one hand, the narrowing part is contacted with the inner supporting body to facilitate the adjustment of impedance, and on the other hand, after the narrowing part is clamped in the clamping groove, the part, which is close to the narrowing part, of the terminal can form natural limit with the groove wall of the clamping groove, so that the terminal is stably assembled.
Further, the inner support body is provided with an accommodating groove for accommodating the part of the terminal between the two adjacent narrowed parts, the part of the inner support body between the two adjacent accommodating grooves forms a support part, and the clamping groove is arranged on the support part.
The beneficial effects are that: through the arrangement of clamping groove and holding tank, can make the terminal go deep into in the support body, be favorable to reducing the size of interior support body.
Further, the accommodation groove is provided so as to penetrate in the thickness direction of the inner support body.
The beneficial effects are that: the through accommodating groove is convenient for the inner support body to be formed, and simultaneously is beneficial to increasing the hollowed-out area of the insulator and facilitating high-speed signal transmission.
Further, the outer covering body is provided with air grooves corresponding to the accommodating grooves, and fixing parts which cover the clamping grooves and are in contact with the terminals are arranged between two adjacent air grooves.
The beneficial effects are that: the fixing part covering the clamping groove is contacted with the terminal, so that the terminal can be reliably fixed after the outer coating body is molded.
Further, a shielding sheet fixing structure is arranged on the outer cladding body.
The beneficial effects are that: the shielding sheet fixing structure is arranged on the outer cladding body, so that the inner supporting body is convenient to form, and the structure of the insulator is facilitated to be simplified.
The connector of the invention has the technical scheme that:
the utility model provides a connector, includes the terminal module, and the terminal module includes the insulator, is equipped with the difference on the insulator to the difference is to including along insulator thickness direction parallel two terminals, and the insulator includes internal support body and outer cladding body, and the both ends of difference to assemble respectively in the both sides of the thickness direction of internal support body and constitute the prefixed unit, and the prefixed unit is fixed as an organic wholely through integrated into one piece with the outer cladding body.
The beneficial effects are that: the invention improves on the basis of the terminal module in the prior art, the terminal and the insulator are fixed in two steps, the terminal is firstly mounted on the independently formed inner support body in an assembling mode, the terminal and the inner support body form a pre-fixing unit, the inner support body can position and support the relative position of each terminal, then the pre-fixing unit is integrally formed along with the outer coating body through a die, the outer coating body can firmly fix the terminal, the structural design is convenient for the die forming, the inner support body can realize symmetrical design, compared with the two half-involution structure of the existing terminal module, the insulator is difficult to warp, the assembling operation is convenient, and the consistency of products is guaranteed.
Further, one of the terminal and the inner support body is provided with a clamping groove, and the other is provided with a clamping part which is clamped into the clamping groove.
The beneficial effects are that: the terminal is clamped on the inner support body through the matching of the clamping groove and the clamping part, and the structure is simple and the operation is convenient.
Further, the clamping portion is formed by a narrowed portion provided on the terminal, and the clamping groove is provided on the inner support body.
The beneficial effects are that: the terminal is provided with the narrowing part and is clamped on the inner supporting body by the narrowing part, on one hand, the narrowing part is contacted with the inner supporting body to facilitate the adjustment of impedance, and on the other hand, after the narrowing part is clamped in the clamping groove, the part, which is close to the narrowing part, of the terminal can form natural limit with the groove wall of the clamping groove, so that the terminal is stably assembled.
Further, the inner support body is provided with an accommodating groove for accommodating the part of the terminal between the two adjacent narrowed parts, the part of the inner support body between the two adjacent accommodating grooves forms a support part, and the clamping groove is arranged on the support part.
The beneficial effects are that: through the arrangement of clamping groove and holding tank, can make the terminal go deep into in the support body, be favorable to reducing the size of interior support body.
Further, the accommodation groove is provided so as to penetrate in the thickness direction of the inner support body.
The beneficial effects are that: the through accommodating groove is convenient for the inner support body to be formed, and simultaneously is beneficial to increasing the hollowed-out area of the insulator and facilitating high-speed signal transmission.
Further, the outer covering body is provided with air grooves corresponding to the accommodating grooves, and fixing parts which cover the clamping grooves and are in contact with the terminals are arranged between two adjacent air grooves.
The beneficial effects are that: the fixing part covering the clamping groove is contacted with the terminal, so that the terminal can be reliably fixed after the outer coating body is molded.
Further, a shielding sheet fixing structure is arranged on the outer cladding body.
The beneficial effects are that: the shielding sheet fixing structure is arranged on the outer cladding body, so that the inner supporting body is convenient to form, and the structure of the insulator is facilitated to be simplified.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of a terminal module of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a view showing an assembled structure of the first terminal and the inner support body in FIG. 2;
fig. 4 is a schematic view of a fixing structure at a narrowed portion position of the first terminal in fig. 3.
In the figure: 1. an outer coating; 11. an air tank; 12. hot riveting columns; 2. an inner support; 21. a receiving groove; 22. a clamping groove; 3. a first terminal; 31. a constriction; 4. a second terminal; 5. a first shielding sheet; 6. and a second shielding sheet.
Detailed Description
Embodiment 1 of the terminal module of the present invention:
as shown in fig. 1, 2, 3 and 4, the terminal module includes an insulator and differential pairs, the insulator includes an inner support body 2 and an outer covering body 1, the differential pairs include two pairs of terminals, the differential pairs include a first terminal 3 and a second terminal 4, the differential pairs include four terminals, the first terminal 3 and the second terminal 4 of each differential pair are arranged in parallel along a thickness direction of the insulator, an arrangement direction of each differential pair is perpendicular to an arrangement direction of the two terminals constituting the differential pair, so that the first terminals 3 of each differential pair are arranged in a row, the second terminals 4 of each differential pair are arranged in a row, the row of the first terminals 3 and the row of the second terminals 4 are respectively mounted on two sides of the inner support body 2 in the thickness direction, the outer covering body 1 covers the inner support body 2, and the two sides of the outer covering body 1 in the thickness direction are respectively provided with a first shielding sheet 5 and a second shielding sheet 6.
The first terminals 3 of the same differential pair have the same structure as the second terminals 4 and the same mounting structure on the inner support body 2, and the first terminals 3 are specifically described by taking the first terminals 3 as wiring terminals, the first terminals 3 are provided with a plurality of narrowing portions 31 in the extending direction, the width of the narrowing portions 31 is smaller than the width of the rest portions, and the narrowing portions 31 are used for contacting and fixing with the insulators.
The internal support body 2 is formed by single injection molding through a mold, a plurality of containing grooves 21 are formed in the internal support body 2 corresponding to each differential pair, the containing grooves 21 corresponding to the same differential pair are arranged at intervals along the extending direction of the wiring terminal, the part of the internal support body 2 between two adjacent containing grooves 21 forms a support part, a clamping groove 22 is formed in the support part, the clamping groove 22 is communicated with the containing grooves 21 on two sides, a clamping part is formed by a narrowing part 31 on the terminal, the narrowing part 31 is clamped into the clamping groove 22, the containing grooves 21 are used for containing the part of the terminal connected with the narrowing part 31, and the terminal is clamped to the internal support body 2 by matching the clamping groove 22 with the clamping part, so that the structure is simple and the operation is convenient. The terminal is provided with the constriction part 31 and is clamped on the inner support body 2 by the constriction part 31, on one hand, the constriction part 31 is contacted with the inner support body 2 so as to be convenient for adjusting the impedance, and on the other hand, after the constriction part 31 is clamped in the clamping groove 22, the part, which is close to the constriction part 31, of the terminal can form natural limit with the groove wall of the clamping groove 22 so as to be beneficial to the stable assembly of the terminal. By providing the clamping groove 22 and the accommodating groove 21, the terminal can be made to be deep into the inner support body 2, which is beneficial to reducing the size of the inner support body 2.
The holding tank 21 link up the setting in the thickness direction of support body 2, in first terminal 3 and second terminal 4 homoenergetic are in deep holding tank 21, and the both sides of the thickness direction of the supporting part of interior support body 2 between two holding tanks 21 are equipped with clamping groove 22 respectively for first terminal 3, second terminal 4 are in both sides clamping, and the holding tank 21 that link up is convenient for interior support body 2 shaping, is favorable to increasing the fretwork area of insulator simultaneously, is favorable to signal high-speed transmission.
The outer coating body 1 is formed by injection molding after the terminal is assembled to the inner support body 2, the outer coating body 1 coats the inner support body 2 and partially wraps the terminal, the air grooves 11 corresponding to the accommodating grooves 21 are formed in the outer coating body 1, fixing parts which cover the clamping grooves 22 and are in contact with the terminal are arranged between the two adjacent air grooves 11, and the side surfaces in the thickness direction of the terminal are flush with the side surfaces in the thickness direction of the inner support body 2, so that plastic and the terminal are in good contact when the outer coating body 1 is formed by injection molding, and the fixing reliability is facilitated.
The outer cover 1 is formed on the inner support 2 to form an insulator, and since the terminals are fixedly supported on the inner support 2 in advance, the distance between the first terminal 3 and the second terminal 4 can be conveniently adjusted by adjusting the thickness of the outer cover 1. The two side surfaces of the outer cladding body 1 in the thickness direction are respectively provided with a hot riveting column 12, the hot riveting columns 12 form a shielding sheet fixing structure on the outer cladding body 1, and the first shielding sheet 5 and the second shielding sheet 6 are respectively provided with hot riveting holes so as to fix the first shielding sheet 5 and the second shielding sheet 6 on the two sides of the insulator in the thickness direction in a hot riveting manner.
The terminal and insulator fixing operation is divided into two steps to be realized, the terminal is firstly mounted on the independently formed inner support body in an assembling mode, the two terminals of the differential pair are respectively mounted on two sides of the inner support body in the thickness direction and form a pre-fixing unit, the inner support body can position and support the relative positions of the terminals, then the pre-fixing unit is integrally formed with the outer cover body through the die to be fixed into a whole, the outer cover body can firmly fix the terminal, the die forming is convenient, the inner support body can be symmetrically designed, and compared with the two half-involution structure of the existing terminal module, the insulator is difficult to warp, the assembling operation is convenient, and the consistency of products is guaranteed.
Embodiment 2 of a terminal module in the present invention:
the present embodiment is different from embodiment 1 in that the inner support body in embodiment 1 is provided with a clip groove, and the terminal is provided with a clip portion. In this embodiment, the terminal is provided with a jack, the inner support body is provided with a plug, the jack forms a clamping groove, and the plug forms a clamping part.
Embodiment 3 of the terminal module in the present invention:
the present embodiment is different from embodiment 1 in that the terminal in embodiment 1 is provided with a narrowed portion, which constitutes a snap-fit portion. In this embodiment, the terminal is provided with a portion without a constriction, the inner support body is provided with a protrusion, the protrusion is provided with a clamping groove, and the terminal is clamped into the clamping groove.
Embodiment 4 of a terminal module in the present invention:
the present embodiment is different from embodiment 1 in that the accommodating groove in embodiment 1 is provided penetrating in the thickness direction of the inner support body. In this embodiment, the accommodating groove has a groove bottom surface facing one side of the inner support body in the thickness direction, and the accommodating grooves are respectively provided on two sides of the inner support body in the thickness direction for the first terminal and the second terminal of the differential pair to extend in.
Embodiments of the connector of the present invention:
the connector includes a housing and a plurality of terminal modules mounted on the housing, and the terminal modules in this embodiment are the same as the terminal modules in any of embodiments 1 to 4 of the terminal modules described above, and will not be described herein.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a terminal module, includes the insulator, is equipped with the differential pair on the insulator, and the differential pair includes the both ends that are listed as along insulator thickness direction, and characterized by, the insulator includes internal support body and outer cladding body, and the both ends of differential pair assemble respectively in the both sides of the thickness direction of internal support body and constitute the prefixed unit, and the prefixed unit is fixed as an organic wholely through integrated into one piece with the outer cladding body.
2. The terminal module of claim 1, wherein one of the terminal and the inner support body is provided with a clamping groove, and the other is provided with a clamping portion, and the clamping portion is clamped into the clamping groove.
3. The terminal module according to claim 2, wherein the snap-fit portion is formed by a narrowed portion provided on the terminal, and the snap-fit groove is provided on the inner support body.
4. A terminal module according to claim 3, wherein the inner support body is provided with receiving grooves for receiving portions of the terminals between adjacent two of the narrowed portions, the portions of the inner support body between the adjacent two receiving grooves constituting the support portions, and the snap-fit grooves being provided on the support portions.
5. The terminal module according to claim 4, wherein the receiving groove is provided penetrating in a thickness direction of the inner support body.
6. The terminal module according to claim 5, wherein the outer covering body is provided with air grooves corresponding to the accommodation grooves, and a fixing portion covering the clamping groove and contacting the terminal is provided between two adjacent air grooves.
7. The terminal module according to any one of claims 1 to 6, wherein the outer covering body is provided with a shield sheet fixing structure.
8. A connector comprising a terminal module, characterized in that the terminal module is a terminal module as claimed in any one of the preceding claims 1-7.
CN202310157401.7A 2023-02-23 2023-02-23 Terminal module and connector Pending CN116315821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310157401.7A CN116315821A (en) 2023-02-23 2023-02-23 Terminal module and connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310157401.7A CN116315821A (en) 2023-02-23 2023-02-23 Terminal module and connector

Publications (1)

Publication Number Publication Date
CN116315821A true CN116315821A (en) 2023-06-23

Family

ID=86829869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310157401.7A Pending CN116315821A (en) 2023-02-23 2023-02-23 Terminal module and connector

Country Status (1)

Country Link
CN (1) CN116315821A (en)

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