CN109037990B - Card connector and method for manufacturing the same - Google Patents
Card connector and method for manufacturing the same Download PDFInfo
- Publication number
- CN109037990B CN109037990B CN201811050689.3A CN201811050689A CN109037990B CN 109037990 B CN109037990 B CN 109037990B CN 201811050689 A CN201811050689 A CN 201811050689A CN 109037990 B CN109037990 B CN 109037990B
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- Prior art keywords
- terminal
- insulator
- card connector
- insulating block
- top plate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title description 6
- 239000012212 insulator Substances 0.000 claims abstract description 66
- 239000002184 metal Substances 0.000 claims abstract description 58
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R12/714—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 with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
-
- 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
-
- 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
-
- 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
- H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
-
- 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
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- 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
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0274—Details of the structure or mounting of specific components for an electrical connector module
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/16—Connectors or connections adapted for particular applications for telephony
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides a card connector, it includes metal casing and fixes terminal module as an organic whole through the equipment with metal casing, metal casing encloses to establish and forms and supply electronic card male grafting space and form an interface, metal casing includes the roof, the terminal module includes the insulator and fixes terminal group as an organic whole with the insulator, the terminal group includes a plurality of terminal, each terminal is including being fixed in the terminal fixed part in the insulator, link to each other with terminal fixed part and protruding terminal elastic arm and be connected with terminal fixed part and expose the terminal butt joint portion outside the insulator outside, the intermediate position of terminal elastic arm is protruding to the grafting space in and is stretched and form terminal contact portion, terminal elastic arm free end forms the terminal extension, the roof is provided with the insulation piece, the terminal extension corresponds with the insulation piece in upper and lower direction. The insulation block separates the extending tail end of the terminal elastic arm from the metal shell to prevent the short circuit from being formed by lap joint, and the design simplifies the manufacturing process and saves the cost.
Description
Technical Field
The present application relates to the field of electrical connectors, and more particularly, to a card connector for a circuit board and a method for manufacturing the card connector.
Background
With the continuous development of communication tools, the requirements of the structure, style and performance of electronic devices such as mobile phones are also increasing. In general mobile phone applications, a SIM card is mostly inserted into a card slot of the mobile phone, and after completing an activation program, the mobile phone can be used to receive and dial a call. In addition to installing one SIM card, the existing card connector of the mobile phone also needs to install at least one SIM card according to the double-card double-standby requirement. The arrangement of a plurality of clamping grooves requires a large amount of space, and therefore, how to perform reasonable and compact layout is a difficult problem faced by the industry.
In the prior art, card connectors are typically used to secure to a circuit substrate within an electronic device. The card connector comprises an insulator, a metal shell covered on the periphery of the insulator and a plurality of terminals fixed on the insulator. The metal shell is attached to one side of the insulator. One side of the insulator, which is far away from the metal shell, and the metal shell form an inserting space, and the inserting space is used for inserting a card holder for bearing a SIM card. Each terminal comprises a terminal elastic arm protruding out of the insulator, and the terminal elastic arm comprises a terminal contact part protruding into the plugging space and used for elastically contacting with the SIM card. The free ends of the terminal spring arms extend horizontally to form terminal extension sections which are easily overlapped with the metal shell, thereby causing short circuit.
In view of the above, there is a need to design a new card connector to overcome the above-mentioned technical problems.
Disclosure of Invention
The application aims to provide a card connector and a manufacturing method thereof, which can ensure that the terminal of the card connector has stable functions in the using process of the card connector, and simultaneously can lead the whole manufacturing process of the card connector to be simple and the cost to be lower.
The application provides a card connector for being fixed inside an electronic device and electrically connected with at least one electronic card, the card connector comprises a metal shell and a terminal module which is integrally fixed with the metal shell through assembly, the metal shell surrounds an inserting space for inserting the electronic card and forms an inserting port, the metal shell comprises a top plate, the terminal module comprises an insulator and a terminal group which is integrally fixed with the insulator, the terminal group comprises a plurality of terminals, each terminal comprises a terminal fixing part fixed in the insulator, a terminal elastic arm which is connected with the terminal fixing part and protrudes out of the insulator, and a terminal abutting part which is connected with the terminal fixing part and exposes out of the insulator, the middle position of the terminal elastic arm protrudes into the inserting space to form a terminal contact part, the free end of the terminal elastic arm extends to form a terminal extending section, and the top plate is provided with an insulating block, and the terminal extending section corresponds to the insulating block in the upper and lower directions.
Further, the terminal fixing part is integrally formed and embedded in the insulator, the terminal elastic arm protrudes into the insertion space, and the terminal extension section is located between the insulating block and the insulator.
Further, the insulating block is integrally formed with the top plate.
Further, the insulator is provided with a concave part corresponding to the insulating block, and the concave part is used for accommodating the insulating block.
Further, the insulator comprises a body part, a plurality of terminal accommodating holes are formed in the body part, the terminal elastic arms protrude from the terminal accommodating holes into the inserting space, positioning holes are formed in the body part in a penetrating mode at one end position of each terminal accommodating hole, a limiting wall is formed between each terminal accommodating hole and the adjacent positioning hole, and the terminal extending section is located between the limiting wall and the insulating block in the thickness direction of the card connector.
Further, the terminal extension section at least partially protrudes into the positioning hole, and the insulating block covers the positioning hole in the thickness direction of the card connector.
Further, the insulating block at least partially protrudes into the corresponding terminal accommodating hole, and the insulating block and the terminal elastic arm at least partially overlap in the thickness direction of the card connector.
Further, the metal shell further comprises clamping hook parts which extend into the inserting space from two side edges of the top plate respectively, and the clamping hook parts are correspondingly buckled on the surface of one side, far away from the top plate, of the insulator.
Further, the insulator comprises a body part and a step part extending from the body part into the plugging space, the terminal butt joint part is exposed out of the insulator from the surface of the step part, the card connector further comprises a fixing column, the step part is provided with a fixing hole, and the fixing column penetrates through the fixing hole to fix the insulator to the metal shell.
In order to achieve the above object, the present application also discloses a method for manufacturing a card connector, comprising the steps of:
A. forming a metal shell by stamping and bending a metal plate, wherein a top plate is formed on the metal shell, fixing sheets are formed on the top plate, and clamping hook parts are respectively formed on two side edges of the top plate of the metal shell in a downward extending mode;
B. forming an insulating block on a top plate of the metal shell through injection molding, wherein the fixing sheets are buried at two sides of the insulating block in the width direction of the card connector;
C. forming a terminal group by stamping and bending a metal plate, wherein the terminal group comprises a plurality of terminals, and an insulator is formed on the terminal group by injection molding, at the moment, the insulator comprises a body part and a step part extending from the body part to a direction far away from a top plate, each terminal comprises a terminal fixing part fixed in the insulator, a terminal elastic arm connected with the terminal fixing part and protruding out of the insulator, and a terminal butt joint part connected with the terminal fixing part and exposed out of the insulator from the step part, the body part is provided with a plurality of terminal accommodating holes, the terminal elastic arm protrudes out of the body part from the terminal accommodating holes to one side far away from the top plate, a positioning hole is formed at one end position of each terminal accommodating hole in a penetrating way, and a limiting wall is formed between each terminal accommodating hole and an adjacent positioning hole;
D. assembling the terminal module to the metal shell along the thickness direction of the card connector, and then pushing the terminal module along the card inserting direction until the clamping hook part is correspondingly buckled on the surface of one side, far away from the top plate, of the insulator;
E. and providing a fixing column, wherein the fixing column is used for riveting and fixing the terminal module and the metal shell at the step position of the insulating body.
Compared with the prior art, the metal shell is provided with the insulating block, and the insulating block separates the extending tail end of the terminal elastic arm from the metal shell, so that short circuit is prevented from being formed by lap joint.
Drawings
Fig. 1 is a schematic perspective view of the card connector of the present application.
Fig. 2 is a schematic perspective view of the card connector of fig. 1 from another angle.
Fig. 3 is an exploded perspective view of the card connector of fig. 2.
Fig. 4 is a mating view of the metal shell and insulator block of fig. 3.
Fig. 5 is a perspective view of the terminal module shown in fig. 3.
Fig. 6 is a perspective view of the terminal module shown in fig. 5 from another angle.
Fig. 7 is a perspective view of the terminal set shown in fig. 6.
Fig. 8 is a perspective view of the card connector of fig. 1 in another state, in which the terminal module is assembled into the metal housing and is not completely fitted in place.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In this case, only the structure and/or the form closely related to the partial embodiments of the present application are shown in the drawings, and other details not greatly related to the partial embodiments of the present application are omitted, in order to avoid obscuring the present application with unnecessary details.
In addition, it should be further noted that the terms "comprises," "comprising," "has," "having," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, module, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, module, or apparatus.
For convenience of description, the thickness direction of the card connector 100 is defined as an up-down direction, the width direction of the card connector 100 is defined as a left-right direction, and the insertion/removal direction of the card holder is defined as a front-rear direction in the present application. In addition, the relative positions of the upper and lower, left and right, front and rear are not limited to be realized, and are only convenient and accurate in full description. The whole design direction is uniformly referred to in fig. 1.
Referring to fig. 1 to 4, a card connector 100 and various components of the card connector 100 according to the present application are shown, wherein the card connector 100 is used for being fixed inside an electronic device and electrically connected with an electronic card. The card connector 100 includes a metal housing 10, a terminal module 20 integrally assembled and fixed with the metal housing 10, a switch terminal (not shown), and a card withdrawal mechanism (not shown). The metal shell 10 includes a top plate 11, side plates 12 formed by vertically extending both side edges of the top plate 11, and an end plate 13 formed by vertically extending one end edge of the top plate 11. The metal housing 10 encloses a socket space 101 for inserting an electronic card and forms a socket 102. The terminal module 20 is assembled on the top plate 11 and is located in the plugging space 101. The terminal module 20 includes an insulator 21 and a terminal group 22 integrally formed with the insulator 21. The metal shell 10 further includes a hook portion 14 extending from two side edges of the top plate 11 into the insertion space 101, and the hook portion 14 is correspondingly fastened to a surface of the insulator 21 on a side away from the top plate 11. When the terminal module 20 is mounted to the metal housing 10, the terminal module 20 is first placed vertically into the plugging space 101, avoiding the hook portion 14, and then the terminal module 20 is pushed in the front-rear direction, so that the hook portion 14 is engaged with the surface of the insulator 21 on the side far from the top plate 11. The card connector 100 is generally used for electrical connection and fixation with a built-in circuit board in an electronic device, and the card connector 100 may be used with a card holder (not shown). The electronic card is carried on the card holder, then inserted into the plugging space 101 of the card connector 100 along with the card holder at the plugging port 102, and is correspondingly in electrical contact with the terminal set 22 on the card connector 100, and is electrically connected with the circuit substrate through the terminal set 22, so that signal transmission is realized.
Referring to fig. 5 to 8, the terminal group 22 includes six terminals 23, and the six terminals 23 are formed by punching and bending the same metal plate. Each terminal 23 includes a terminal fixing portion 231 buried in the insulator 21, a terminal elastic arm 232 connected to the terminal fixing portion 231 and protruding outside the insulator 21, and a terminal abutting portion 233 connected to the terminal fixing portion 231 and exposed outside the insulator 21. The terminal butt joint part 233 is electrically connected with the circuit substrate. The intermediate position of the terminal elastic arm 232 protrudes into the plugging space 101 to form a terminal contact portion 234. The terminal contact portion 234 is electrically connected to the electronic card. The free ends of the terminal spring arms 234 form terminal extensions 235. The terminal spring arms 234 extend in the front-rear direction and have a substantially inverted "V" shape. The top plate 11 is integrally formed with an insulating block 110, the insulator 21 is provided with a recess 210 corresponding to the insulating block 110, and the recess 210 is used for accommodating the insulating block 110. The terminal extension 235 corresponds to the insulating block 110 in the up-down direction. The terminal extension 235 is located between the insulating block 110 and the insulator 21.
Referring to fig. 3 and 4, fixing pieces 103 are formed on the top plate 10 near two sides, and the fixing pieces 103 are embedded in the insulating block 110 at two sides of the card connector in the width direction. In this embodiment, the thickness of the insulating block 110 at two sides of the card connector in the width direction is greater than that of the middle design, so that the thickness of the whole card connector 100 can be reduced as much as possible, and the fixing effect between the insulating block 110 and the top plate 10 can be ensured.
The insulator 21 includes a substantially flat plate-shaped body portion 211 and a plurality of step portions 212 extending from the body portion 211 into the insertion space 101. The body 211 is formed with a plurality of terminal receiving holes 213, and the terminal elastic arms 234 protrude from the terminal receiving holes 213 into the plugging space 101. The terminal abutting portion 233 is exposed outside the insulator 21 on the surface of the step portion 212. The body 211 has a positioning hole 214 formed therethrough at one end of each of the terminal receiving holes 213, a limiting wall 215 is formed between each of the terminal receiving holes 213 and the adjacent positioning hole 214, and the limiting wall 215 and the insulating block 110 sandwich the terminal extension 235 in the thickness direction of the card connector 100. The terminal extension 235 at least partially protrudes into the locating hole 214. The body 211 has a relief hole 216 formed at a position of one end of each positioning hole 214 away from the terminal receiving hole 213, and the relief hole 216 is used for cutting off the connection of each terminal 23 in the terminal set 22 by a die or a cutter, so that each terminal 23 can be independent. The card connector 100 further includes a fixing post 30, and the stepped portion 212 is provided with a fixing hole 217, and the fixing post 30 passes through the fixing hole 217 to fix the insulator 21 to the metal shell 10.
The following describes a method for manufacturing the card connector 100 of the present design, including the steps of:
A. forming a metal shell 10 by punching and bending a metal plate;
B. forming an insulating block 110 on a top plate of the metal case 10 by injection molding;
C. forming a terminal group 22 by punching a bent metal plate, and forming an insulator 21 on the terminal group 22 by injection molding to form a terminal module 20;
D. assembling the terminal module 20 to the metal shell 10 along the thickness direction of the card connector 100, and then pushing the terminal module 20 along the card inserting direction until the clamping hook part 14 is correspondingly buckled on the surface of the insulator 110, which is far away from the top plate;
E. a switch terminal (not shown) and a card withdrawal mechanism (not shown) are assembled, and a fixing post 30 is provided, and the fixing post 30 is used for riveting and fixing the terminal module 20 and the metal housing 10 at the position of the step 212 of the insulator 21.
In the application, the metal shell 10 is integrally formed with the insulating block 110, and the insulating block 110 separates the extending end of the terminal elastic arm 234 from the metal shell 10, so that the short circuit is prevented from being formed by lap joint.
Claims (7)
1. The utility model provides a card connector for being fixed to electronic equipment inside and can realize with at least an electronic card electric connection, card connector include the metal casing and with the metal casing is fixed terminal module as an organic whole through the equipment, the metal casing encloses to establish and forms and supply electronic card male grafting space and form an interface, the metal casing includes the roof, the terminal module include the insulator and with the terminal group as an organic whole is fixed to the insulator, the terminal group includes a plurality of terminal, each terminal include be fixed in the insulator terminal fixed part, with terminal elastic arm that terminal fixed part links to each other and protruding outside the insulator and with terminal interfacing part that terminal fixed part is connected and exposes outside the insulator, terminal elastic arm's intermediate position is protruding to the grafting space in and is formed terminal contact portion, terminal elastic arm free end extends and forms the terminal extension section, its characterized in that:
an insulating block is integrally formed on the top plate, and the terminal extension section corresponds to the insulating block in the up-down direction;
the terminal fixing part is integrally formed and embedded in the insulator, the terminal elastic arm protrudes into the inserting space, and the terminal extension section is positioned between the insulating block and the insulator;
the insulator is provided with a concave part corresponding to the insulating block, and the concave part is used for accommodating the insulating block.
2. The card connector of claim 1, wherein:
the insulator comprises a body part, a plurality of terminal accommodating holes are formed in the body part, the terminal elastic arms protrude from the terminal accommodating holes into the inserting space, positioning holes are formed in the body part in a penetrating mode at one end position of each terminal accommodating hole, a limiting wall is formed between each terminal accommodating hole and the adjacent positioning hole, and the terminal extension section is located between the limiting wall and the insulating block in the thickness direction of the card connector.
3. The card connector of claim 2, wherein:
the terminal extension section at least partially protrudes into the positioning hole, and the insulating block covers the positioning hole in the thickness direction of the card connector.
4. The card connector of claim 1, wherein:
the insulating block at least partially protrudes into the corresponding terminal accommodating hole, and at least partially overlaps the terminal elastic arm in the thickness direction of the card connector.
5. The card connector of claim 1, wherein:
the metal shell further comprises clamping hook parts which extend into the inserting space from two side edges of the top plate respectively, and the clamping hook parts are correspondingly buckled on the surface of one side, far away from the top plate, of the insulator.
6. The card connector of claim 1, wherein:
the insulator comprises a body part and a step part extending from the body part into the plugging space, the terminal butt joint part is exposed out of the insulator from the surface of the step part, the card connector further comprises a fixing column, the step part is provided with a fixing hole, and the fixing column penetrates through the fixing hole to fix the insulator to the metal shell.
7. A method of manufacturing a card connector, comprising the steps of:
A. forming a metal shell by stamping and bending a metal plate, wherein a top plate is formed on the metal shell, fixing sheets are formed on the top plate, and clamping hook parts are respectively formed on two side edges of the top plate of the metal shell in a downward extending mode;
B. forming an insulating block on a top plate of the metal shell through injection molding, wherein the fixing sheets are buried at two sides of the insulating block in the width direction of the card connector;
C. the terminal group is formed by stamping and bending a metal plate, the terminal group comprises a plurality of terminals, an insulator is formed on the terminal group by injection molding, at the moment, the insulator comprises a body part and a step part extending away from a top plate from the body part, each terminal comprises a terminal fixing part embedded in the insulator, a terminal elastic arm connected with the terminal fixing part and protruding out of the insulator, and a terminal butt joint part connected with the terminal fixing part and exposed out of the insulator from the step part, the body part is provided with a plurality of terminal accommodating holes, the terminal elastic arm protrudes out of the body part from the terminal accommodating holes to the side far away from the top plate, a positioning hole is formed at one end position of each terminal accommodating hole in a penetrating way, and a limiting wall is formed between each terminal accommodating hole and the adjacent positioning hole;
D. assembling the terminal module to the metal shell along the thickness direction of the card connector, and then pushing the terminal module along the card inserting direction until the clamping hook part is correspondingly buckled on the surface of one side, far away from the top plate, of the insulator;
E. providing a fixing column, wherein the fixing column is arranged at the step position of the insulating body to fix the terminal module and the metal shell in a riveting way;
the free ends of the terminal elastic arms extend to form terminal extending sections, and the terminal extending sections are positioned between the insulating blocks and the insulators;
the insulator is provided with a concave part corresponding to the insulating block, and the concave part is used for accommodating the insulating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050689.3A CN109037990B (en) | 2018-09-10 | 2018-09-10 | Card connector and method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050689.3A CN109037990B (en) | 2018-09-10 | 2018-09-10 | Card connector and method for manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109037990A CN109037990A (en) | 2018-12-18 |
| CN109037990B true CN109037990B (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811050689.3A Active CN109037990B (en) | 2018-09-10 | 2018-09-10 | Card connector and method for manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109037990B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7299472B2 (en) * | 2019-01-31 | 2023-06-28 | 山一電機株式会社 | Card connector and its manufacturing method |
| CN111193123A (en) * | 2020-03-11 | 2020-05-22 | 昆山嘉华电子有限公司 | Terminal assembly |
| CN113394581B (en) * | 2021-05-25 | 2022-07-05 | 昆山嘉华电子有限公司 | Electronic card connector |
| CN113540851B (en) * | 2021-07-12 | 2023-08-29 | 昆山嘉华电子有限公司 | Terminal, terminal assembly and electric connector |
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| CN201392915Y (en) * | 2009-03-20 | 2010-01-27 | 富港电子（东莞）有限公司 | Input-output connector |
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| Publication number | Publication date |
|---|---|
| CN109037990A (en) | 2018-12-18 |
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