CN218123758U - Card connector - Google Patents
Card connector Download PDFInfo
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- CN218123758U CN218123758U CN202222582001.4U CN202222582001U CN218123758U CN 218123758 U CN218123758 U CN 218123758U CN 202222582001 U CN202222582001 U CN 202222582001U CN 218123758 U CN218123758 U CN 218123758U
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- terminal
- section
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- movable
- insulating body
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Abstract
The application discloses card connector includes: a metal housing; the terminal assembly comprises an insulating body and a plurality of signal terminals, wherein the insulating body is combined with the metal shell through integral injection molding, and the signal terminals are embedded and fixed in the insulating body; the metal shell and the insulating body jointly define an accommodating space for accommodating the butt joint module and form an insertion opening at one end; the switch fixed terminal comprises a fixed terminal fixing section embedded in the insulating body, a fixed terminal contact section extending out of the insulating body and a fixed terminal butt-joint section extending out of the insulating body and electrically connected with the butt-joint substrate; the movable switch terminal is fixed on the inner side of one end, far away from the insertion opening, of the metal shell through welding, the movable switch terminal comprises an elastic contact arm capable of elastically deforming, and the elastic contact arm comprises a movable terminal detecting portion and a movable terminal contact section, wherein at least part of the movable terminal detecting portion protrudes into the accommodating space, and the movable terminal contact section is integrally connected with the movable terminal detecting portion and corresponds to the movable terminal contact section in elastic contact with the fixed terminal contact section.
Description
Technical Field
The present application relates to a card connector.
Background
Since the electronic card type storage medium has excellent characteristics of being light, thin, short, high in storage capacity, shock-resistant, capable of repeated memorization for many times, it is widely used in information homes, personal computers or portable digital products. When the electronic card is connected with an electronic product, the electronic card connector is used as a medium for reading and storing the electronic card by the computer host.
One of the prior art can refer to chinese utility model patent No. CN206834363U, discloses a card connector, and it includes insulator, a plurality of conductive terminals, detects terminal and the cladding metal casing in the insulator outside, metal casing and insulator definition have the spliced eye, conductive terminal locates on the insulator, conductive terminal has the contact site that is located the spliced eye and extends insulator's welding foot, card connector still is equipped with plastic fixing piece injection moulding on metal casing, fixing piece and insulator disconnection, it is fixed in on the fixing piece to detect the terminal, after moving the terminal atress, can prevent insulator rotation deformation, has realized the contact function of moving terminal and static terminal and the application function of detecting the terminal.
However, the movable terminal of the card connector needs to be assembled and fixed with the metal shell through the plastic holding block, the plastic holding block is made of an insulating material and has certain flexibility, and the problem of inaccurate assembly and positioning exists. In addition, the terminal module of the card connector is generally an independent bean curd block, and the terminal module and the card cover are respectively and independently welded and fixed on the circuit substrate, so that the arrangement position and the structure of the movable terminal have no influence on the terminal module basically.
Therefore, there is a need for a new card connector having a more stable switch terminal structure and a more compact design.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a card connector which is stable in structure and facilitates miniaturization design.
In order to achieve the purpose, the application provides the following technical scheme:
a card connector, comprising:
the metal shell comprises a top plate part and a pair of side plate parts formed by downward extending of two sides of the top plate part;
the terminal assembly comprises an insulating body and a plurality of signal terminals, wherein the insulating body is combined with the metal shell through integral injection molding, and the signal terminals are embedded and fixed in the insulating body;
the metal shell and the insulating body jointly define an accommodating space for accommodating the butt joint module and form an insertion opening at one end;
the switch fixed terminal comprises a fixed terminal fixing section embedded in the insulating body, a fixed terminal contact section extending out of the insulating body and a fixed terminal butt-joint section extending out of the insulating body and electrically connected with the butt-joint substrate;
the movable switch terminal is fixed on the inner side of one end, far away from the insertion opening, of the metal shell through welding, the movable switch terminal comprises an elastic contact arm capable of elastically deforming, and the elastic contact arm comprises a movable terminal detection portion and a movable terminal contact section, wherein at least part of the movable terminal detection portion protrudes into the accommodating space, and the movable terminal contact section is integrally connected with the movable terminal detection portion and corresponds to the movable terminal contact section in elastic contact with the fixed terminal contact section.
Furthermore, metal casing keeps away from an inserted hole edge downwardly extending and is formed with the end plate, the terminal is moved in the switch includes the movable terminal fixed part with elastic contact arm body coupling, movable terminal fixed part includes first welding section, first welding section joint in the internal surface of end plate and fixed through welding and end plate.
Furthermore, along the plug direction of butt joint module, not cover insulator on the first welding section.
Furthermore, the switch movable terminal comprises a movable terminal fixing part integrally connected with the elastic contact arm, the movable terminal fixing part comprises a second welding section, and the second welding section is attached to the inner surface of the top plate part and is fixed with the top plate part through welding.
Further, along the thickness direction of the top plate piece, the second welding section is not covered with the insulating body.
Further, metal casing keeps away from an inserted hole edge downwardly extending and is formed with the end plate, insulator includes that to combine in the insulating substrate of the internal surface of top plate spare through integrative injection moulding and to be formed with the baffle by insulating substrate along the further downwardly extending of the rear end edge of the direction of extracting of butt joint module, the baffle combines with the end plate an organic whole and forms the back plate spare, it has the hole of stepping down to run through along the plug direction of butt joint module on the back plate spare, the hole of stepping down steps down the elastic deformation of elastic contact arm.
Furthermore, each signal terminal comprises a signal terminal fixing section embedded in the insulating body, a signal terminal elastic section which extends from the signal terminal fixing section and at least partially protrudes into the accommodating space, a signal terminal bending section which further extends from the signal terminal fixing section and is embedded in the baffle, and a signal terminal butt-joint section which further extends from the signal terminal bending section and protrudes out of the baffle, wherein the signal terminal butt-joint section is used for being electrically connected with the butt-joint substrate;
the switch fixed terminal further comprises a fixed terminal bending section which is formed by further bending and extending the fixed terminal fixing section and is embedded in the baffle, and the fixed terminal butt joint section is formed by further extending the fixed terminal bending section.
Further, the elastic contact arm includes an elastic arm extending substantially along a transverse direction perpendicular to the inserting and pulling direction of the docking module, the movable terminal detecting portion formed by bending one end of the elastic arm toward the accommodating space, a movable terminal extending portion extending from one end of the movable terminal detecting portion substantially toward the inserting direction of the docking module, and the movable terminal contact section extending from one end of the movable terminal extending portion substantially along the transverse direction perpendicular to the inserting and pulling direction of the docking module.
Furthermore, the movable terminal contact section is correspondingly and elastically lapped on the front end position of the fixed terminal contact section along the insertion direction of the butt joint module, the rear end position of the fixed terminal contact section along the insertion direction of the butt joint module is combined with an insulating stop part integrally formed by an insulating body, and the insulating stop part is used for preventing the elastic contact arm from excessively deforming along the insertion direction of the butt joint module.
Furthermore, the second welding section further extends to form a movable terminal butt joint section, and the movable terminal butt joint section is used for being fixedly welded with the butt joint substrate.
Compared with the prior art, the beneficial effect of this application is: the card connector has stable structure and is beneficial to miniaturization design.
Drawings
Fig. 1 is a perspective view of the card connector of the present application.
Fig. 2 is a partially exploded perspective view of the card connector of the present application, which mainly shows a perspective view of the first bean curd block assembly and the second bean curd block assembly after separation, while the docking base plate is not shown.
Fig. 3 is a bottom view of the card connector of the present invention with the first bean curd block terminal assembly, the second bean curd block assembly and the docking substrate removed.
Fig. 4 is a further exploded perspective view of fig. 2, further illustrating the separation of the movable switch terminal from the metal housing.
Fig. 5 is a further exploded isometric view of fig. 4, further illustrating the separation of the plurality of signal terminals from the metal housing.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 5, the card connector disclosed in the present application includes a metal housing 1 formed by bending a metal plate by stamping, a terminal assembly 2 combined to the metal housing 1 by integral injection molding, and an actuating terminal 4 fixed to the metal housing 1 by welding. The metal shell 1 includes a top plate 11, a pair of side plates 12 formed by extending downward from two sides of the top plate 11, and an end plate 13 formed by extending downward from one end edge of the top plate 11. The terminal assembly 2 includes an insulating body 21, a plurality of signal terminals 22, and a switch fixed terminal 3. The insulation body 21 is combined with the metal shell 1 through integral injection molding, a plurality of signal terminals 22 are embedded and fixed in the insulation body 21, and the switch fixed terminal 3 is correspondingly embedded and fixed in the insulation body 21.
The insulating body 21 includes an insulating substrate 210 integrally formed on an inner surface of the top plate 11 by injection molding, and a baffle 211 formed by extending downward a rear end edge of the insulating substrate 210 in a direction of pulling out the docking module (not shown, which may be a card holder carrying an electronic card). The baffle 211 is integrally combined with the end plate 13 to form the rear plate 130. The metal shell 1 and the insulating body 21 together define an accommodating space 101 for accommodating the docking module and an insertion opening 102 at an end away from the end plate 13.
Referring to fig. 5 in combination with fig. 4, each of the signal terminals 22 includes a signal terminal fixing section 221 embedded in the insulating substrate 210 of the insulating body 21, a signal terminal elastic section 222 extending from the signal terminal fixing section 221 and at least partially protruding into the accommodating space 101, a signal terminal bending section 223 further extending from the signal terminal fixing section 221 and embedded in the baffle 211, and a signal terminal abutting section 224 further extending from the signal terminal bending section 223 and protruding out of the baffle 211, where the signal terminal abutting section 224 is used for electrically connecting with an abutting substrate.
Further, the switch fixed terminal 3 includes a fixed terminal fixing section 31 embedded in the insulating substrate 210 of the insulating body 21, a fixed terminal contact section 32 extending out of the insulating body 21, a fixed terminal bending section 34 further bent and extended from the fixed terminal fixing section 31 and embedded in the baffle 211, and a fixed terminal abutting section 33 further extended from the fixed terminal bending section 34 and protruding out of the insulating body 21, and the fixed terminal abutting section 33 is used for electrically connecting with an abutting substrate. In this application, the signal terminal docking sections 224 of the signal terminal signal terminals 22 and the fixed terminal docking sections 33 are arranged in a row at the end where the baffle 211 is located.
Referring to fig. 5, in the present application, the movable switch terminal 4 is a single terminal, and is formed by stamping and bending a metal sheet, and the movable switch terminal 4 is fixed on the inner side of the end of the metal shell 1 away from the insertion opening 102 by welding. Specifically, the movable switch terminal 4 includes an elastic contact arm 41 that is elastically deformable, and a movable terminal fixing portion 42 integrally connected to the elastic contact arm 41.
The elastic contact arm 41 includes an elastic arm 410 extending substantially along a transverse direction perpendicular to the inserting and pulling direction of the docking module, a moving terminal detecting portion 411 formed by bending one end of the elastic arm 410 toward the accommodating space 101, a moving terminal extending portion 413 extending from one end of the moving terminal detecting portion 411 substantially toward the inserting direction of the docking module, and a moving terminal contact section 412 extending from one end of the moving terminal extending portion 413 substantially along the transverse direction perpendicular to the inserting and pulling direction of the docking module. The movable terminal contact section 412 is elastically engaged with the fixed terminal contact section 32 at a front end position in the insertion direction of the mating module, and the insulation stopper 212 integrally formed with the insulation body 21 is coupled to a rear end position of the fixed terminal contact section 32 in the insertion direction of the mating module, and the insulation stopper 212 prevents the elastic contact arm 41 from being excessively deformed in the insertion direction of the mating module.
The movable terminal fixing portion 42 includes a first welding section 421 and a second welding section 422 that are integrally connected and substantially perpendicular to each other. The first welding section 421 is attached to the inner surface of the end plate 13 and fixed to the end plate 13 by welding. The second welding section 422 is attached to the inner surface of the top plate member 11 and fixed to the top plate member 11 by welding. Along the plugging direction of the docking module, the first soldering section 421 is not covered by the insulation body 21. The second welding section 422 is not covered with the insulating body 21 in the thickness direction of the top plate member 11. In addition, the second welding section 422 further extends to form a moving terminal butt-joint section 414, and the moving terminal butt-joint section 414 is used for being welded and fixed with a butt-joint substrate.
Referring to fig. 2 to 5, a yielding hole 1301 is formed in the rear plate 130 in a penetrating manner along a plugging direction of the docking module, and the yielding hole 1301 is used for yielding the elastic contact arm 41. Specifically, when the docking module is completely inserted into the accommodating space 101, the elastic contact arm 41 is pushed by the docking module toward the insertion direction to be elastically deformed, the movable terminal contact section 412 is disconnected from the fixed terminal contact section 32 to realize the detection function, and meanwhile, the movable terminal contact section 412 and a part of the movable terminal extension 413 pass through the abdicating hole 1301 and protrude out of the rear plate 130 toward the docking module insertion direction. In this application, it is preferable that the relief hole 1301 be formed on the blocking plate 211.
This application moves terminal 4 through will opening and shutting and designs into independent piece to through welding and metal casing 1 an organic whole fixed, so can further realize not covering insulator 21 on first welding section 421 and the second welding section 422. The assembly accuracy of the switch movable terminal 4 and the metal shell 1 can be improved; meanwhile, the occupied space of the switch movable terminal 4 in the card connector can be reduced as much as possible, and the miniaturization design is facilitated. In addition, the movable switch terminal 4 designed by the present application does not affect the integral injection molding fixation of the terminal assembly 2 and the metal housing 1.
In this application, the card connector may further include independent first and second bean curd block terminal assemblies 300 and 400, the first and second bean curd block terminal assemblies 300 and 400 are respectively independent welded and fixed to the docking base plate 200, combined with the terminal assembly 2 the metal housing 1 is correspondingly covered and located the periphery above the first and second bean curd block terminal assemblies 300 and 400 is electrically connected and fixed with the docking base plate 200 through welding, the first and second bean curd block terminal assemblies 300, 400, the corresponding terminal assembly 2 are formed between the accommodating space 101.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A card connector, comprising:
the metal shell comprises a top plate part and a pair of side plate parts formed by downward extending of two sides of the top plate part;
the terminal assembly comprises an insulating body and a plurality of signal terminals, wherein the insulating body is combined with the metal shell through integral injection molding, and the signal terminals are embedded and fixed in the insulating body;
the metal shell and the insulating body jointly define an accommodating space for accommodating the butt joint module and form an insertion opening at one end;
the switch fixed terminal comprises a fixed terminal fixing section embedded in the insulating body, a fixed terminal contact section extending out of the insulating body and a fixed terminal butt-joint section extending out of the insulating body and electrically connected with the butt-joint substrate;
the movable switch terminal is fixed on the inner side of one end, far away from the insertion opening, of the metal shell through welding, the movable switch terminal comprises an elastic contact arm capable of elastically deforming, and the elastic contact arm comprises a movable terminal detection portion and a movable terminal contact section, wherein at least part of the movable terminal detection portion protrudes into the accommodating space, and the movable terminal contact section is integrally connected with the movable terminal detection portion and corresponds to the movable terminal contact section in elastic contact with the fixed terminal contact section.
2. The card connector according to claim 1, wherein: the metal shell is kept away from an inserted hole edge downwardly extending and is formed with the end plate, the terminal is moved in the switch includes the terminal fixed part that moves with elastic contact arm body coupling, move the terminal fixed part and include first welding section, first welding section subsides are connected in the internal surface of end plate and are fixed through welding and end plate.
3. The card connector according to claim 2, wherein: and along the plugging direction of the butt joint module, the first welding section is not covered with the insulating body.
4. The card connector according to claim 1, 2 or 3, wherein: the switch movable terminal comprises a movable terminal fixing part integrally connected with the elastic contact arm, the movable terminal fixing part comprises a second welding section, and the second welding section is attached to the inner surface of the top plate part and is fixed with the top plate part through welding.
5. The card connector according to claim 4, wherein: and the second welding section is not covered with the insulating body along the thickness direction of the top plate.
6. The card connector according to claim 1, wherein: the metal casing keeps away from an inserted hole edge downwardly extending and is formed with the end plate, insulator includes that combine in the insulating substrate of the internal surface of top plate spare through integrative injection moulding and further downwardly extending by the insulating substrate along the rear end edge of the direction of extracting of butt joint module is formed with the baffle, the baffle forms back plate with the integrative combination of end plate, it has the hole of stepping down to run through along the plug direction of butt joint module on the back plate, the elastic deformation of the elastic contact arm of stepping down in the hole of stepping down.
7. The card connector according to claim 6, wherein:
each signal terminal comprises a signal terminal fixing section embedded in the insulating body, a signal terminal elastic section which extends from the signal terminal fixing section and at least partially protrudes into the accommodating space, a signal terminal bending section which further extends from the signal terminal fixing section and is embedded in the baffle, and a signal terminal butt joint section which further extends from the signal terminal bending section and protrudes out of the baffle, wherein the signal terminal butt joint section is used for being electrically connected with the butt joint substrate;
the switch fixed terminal further comprises a fixed terminal bending section which is formed by further bending and extending the fixed terminal fixing section and is embedded in the baffle, and the fixed terminal butt joint section is formed by further extending the fixed terminal bending section.
8. The card connector according to claim 6, wherein: the elastic contact arm comprises an elastic arm which extends along a transverse direction which is approximately perpendicular to the plugging and unplugging direction of the butt joint module, the movable terminal detecting part which is formed by bending one end of the elastic arm towards the accommodating space, a movable terminal extending part which extends from one end of the movable terminal detecting part towards the plugging direction of the butt joint module, and the movable terminal contact section which extends from one end of the movable terminal extending part along the transverse direction which is approximately perpendicular to the plugging and unplugging direction of the butt joint module.
9. The card connector according to claim 1, 2, 3, 6, 7 or 8, wherein: the movable terminal contact section is correspondingly and elastically lapped on the front end position of the fixed terminal contact section along the insertion direction of the butt joint module, the rear end position of the fixed terminal contact section along the insertion direction of the butt joint module is combined with an insulating stop part integrally formed by an insulating body, and the insulating stop part is used for preventing the elastic contact arm from excessively deforming along the insertion direction of the butt joint module.
10. The card connector according to claim 4, wherein: the second welding section is further extended to form a movable terminal butt joint section, and the movable terminal butt joint section is used for being fixedly welded with a butt joint substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222582001.4U CN218123758U (en) | 2022-09-28 | 2022-09-28 | Card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222582001.4U CN218123758U (en) | 2022-09-28 | 2022-09-28 | Card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123758U true CN218123758U (en) | 2022-12-23 |
Family
ID=84496035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222582001.4U Active CN218123758U (en) | 2022-09-28 | 2022-09-28 | Card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123758U (en) |
-
2022
- 2022-09-28 CN CN202222582001.4U patent/CN218123758U/en active Active
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| GR01 | Patent grant | ||
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