CN217823316U

CN217823316U - Card connector

Info

Publication number: CN217823316U
Application number: CN202221875709.2U
Authority: CN
Inventors: 李风相
Original assignee: Kunshan Jiahua Electronics Co Ltd
Current assignee: Kunshan Jiahua Electronics Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-15
Anticipated expiration: 2032-07-12

Abstract

The application discloses card connector includes: the metal shell is provided with a top plate, two side plates extending downwards from two sides of the top plate and an end plate extending downwards from the top plate along the front end of the insertion direction of the butt-joint module, and the top plate, the side plates and the end plate jointly define a plugging space with an opening at one end; the integrated terminal module comprises an insulating body and a plurality of terminals, wherein the insulating body comprises an insulating base part and an insulating extension part, the insulating base part is integrally combined with the inner wall surface of the top plate, and the insulating extension part is integrally combined with one side plate; each terminal comprises a fixed section fixed with the insulating base, an elastic contact section extending from the fixed section and at least partially protruding into the plugging space, and an extension section extending from the fixed section and fixed in the insulating extension section; and the welding section is formed by further extending the extension section and exposes out of the insulation extension part, and the welding section is used for electrically connecting with the butt joint circuit board. Structural configuration is more reasonable between terminal and the metal casing, and the welding section and the butt joint circuit board of terminal combine firmly, and difficult pine takes off.

Description

Card connector

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.

Referring to the related art, chinese patent application publication No. CN110391520A discloses an electronic card connector, which includes a terminal module and a shielding housing fixedly engaged with the terminal module. The terminal module comprises an insulating body and a plurality of conductive terminals fixed with the insulating body. The shielding shell comprises a top plate, two side plates formed by respectively bending two sides of the top plate downwards and a rear end plate formed by bending the rear end edge of the top plate downwards. The insulating body is correspondingly combined and fixed with the top plate. Each conductive terminal comprises a fixed part embedded in the insulating body, an elastic part formed by bending and extending the fixed part and a welding part extending from the fixed part and protruding backwards from the insulating body. The welding parts are arranged in a row at the position of the rear end plate and are used for being welded and fixed with the butt joint circuit board.

However, in the prior art, when a user inserts the card holder into the electronic card connector, the card holder may impact the rear end position (rear end plate position) of the electronic card connector, and due to the uneven insertion force of the user, the stability of the welding portion and the butt circuit board may be affected or even loosened after multiple insertion impacts, and further signal transmission may be affected.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a card connector, structural configuration is reasonable between its terminal and the metal casing, and the welding section and the butt joint circuit board of terminal combine firmly, and difficult pine takes off.

In order to achieve the purpose, the application provides the following technical scheme:

a card connector, comprising:

the metal shell is provided with a top plate, two side plates extending downwards from two sides of the top plate and an end plate extending downwards from the top plate along the front end of the insertion direction of the butt-joint module, and the top plate, the side plates and the end plate jointly define a plugging space with an opening at one end;

the integrated terminal module comprises an insulating body and a plurality of terminals, wherein the insulating body comprises an insulating base part and an insulating extension part, the insulating base part is integrally combined with the inner wall surface of the top plate, and the insulating extension part is integrally combined with one side plate;

each terminal comprises a fixed section fixed with the insulating base part, an elastic contact section extending from the fixed section and at least partially protruding into the plugging space, and an extension section extending from the fixed section and fixed in the insulating extension part;

and the welding section is formed by further extending the extension section and exposes out of the insulation extension part, and the welding section is used for electrically connecting with the butt joint circuit board.

Further, a notch portion is formed on one of the side plates, and the insulation extending portion is filled and combined with the notch portion.

Furthermore, one of the side plates is provided with an implantation part which protrudes into the gap part, and the implantation part is implanted and embedded in the insulation extension part.

Furthermore, the number of the notch parts is two, and the two notch parts divide one of the side plates into three sections along the plugging and unplugging direction of the butt joint module.

Furthermore, a first elastic arm portion is formed on one of the side plates, a first elastic convex portion is formed by protruding the first elastic arm portion towards the inserting and pulling space along the middle position of the inserting and pulling direction of the butt joint module, two ends of the first elastic arm portion are correspondingly fixed with one of the side plates integrally, and the first elastic arm portion is located between the two notch portions along the inserting and pulling direction of the butt joint module.

Furthermore, the top plate is bent downwards to form a second elastic arm part close to the other side plate, the second elastic arm part protrudes inwards to the plugging space along the middle position of the plugging direction of the butt joint module to form a second elastic convex part, and two ends of the second elastic arm part are correspondingly fixed with the top plate integrally;

the operating rod is limited between the second elastic arm part and the other side plate adjacent to the second elastic arm part in a sliding manner;

move back the kelly, the centre rotates to combine in the roof closes on the position of end plate, move back the one end and the action bars interlock of kelly.

Furthermore, at least one end edge of the second elastic arm part along the plugging and unplugging direction of the butt joint module is bent and extended to form an elastic end part, and the elastic end part is correspondingly and elastically abutted against the operating rod.

Furthermore, the lower edges of the two ends of the second elastic arm part in the plugging and unplugging direction of the butt joint module are respectively bent and extended to form a limiting part, and the limiting part extends towards the side where the operating rod is located, so that a space is formed between the operating rod and the second elastic arm part.

Further, the extension section is located on the outer side of the plane where the one side plate is located.

The metal shell cover is arranged above the independent terminal module and is welded and fixed with the butt joint circuit board, and the independent terminal module and the integrated terminal module form the plugging space at intervals along the thickness direction of the butt joint circuit board.

Compared with the prior art, the beneficial effects of this application are: structural configuration is reasonable between terminal and the metal casing, and the welding section and the butt joint circuit board of terminal combine firmly, and difficult pine takes off.

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 shown in fig. 1.

Fig. 3 is a partially exploded perspective view of the card connector of the present application.

Fig. 4 is an exploded perspective view of the card connector of the present application.

Fig. 5 is a top view of the card connector of the present application, particularly illustrating the top view when the insulative housing is separated from the metal shell.

Fig. 6 is a side view of the card connector of the present application, particularly showing the side view of the insulative body separated from the metal shell.

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 obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Please refer to fig. 1 to 6, which illustrate the card connector disclosed in the present application. The card connector includes metal casing 1 and with the integrative fixed integrated terminal module 2 of metal casing 1, certainly the card connector can also include rather than complex independent terminal module 300 and butt joint circuit board 400, specifically, independent terminal module 300 weld in butt joint circuit board 400, integrative metal casing 1 cover that is fixed with integrated terminal module 2 is located independent terminal module 300 top and with butt joint circuit board 400 welded fastening, independent terminal module 300 forms with integrated terminal module 2 along butt joint circuit board 400 thickness direction interval plug space 10. The card connector is used in cooperation with a card holder (not shown) for carrying at least one electronic card and then inserting the electronic card into the insertion space 10.

Referring to fig. 2 to 5, the integrated terminal module 2 includes an insulating body 21 and a plurality of terminals 22. The insulating body 21 includes an insulating base 211 integrally coupled to an inner wall surface of the top plate 11 and two insulating extensions 212 integrally coupled to the one side plate 12. Each of the terminals 22 includes a fixing section 221 fixed to the insulating base 211, an elastic contact section 222 extending from the fixing section 221 and at least partially protruding into the insertion space 10, an extending section 223 extending from the fixing section 221 and fixed to the insulating extension 212, and a soldering section 224 further extending from the extending section 223 and exposed out of the insulating extension 212, wherein the soldering section 224 is used for electrically connecting to a mating circuit board.

Referring to fig. 2 to 5, a first elastic arm 14 is formed on one side plate 12 of the metal shell 1, the first elastic arm 14 protrudes into the insertion space 10 along a middle position of an insertion direction of a docking module (card holder, not shown) to form a first elastic protrusion 141, two ends of the first elastic arm 14 are integrally fixed with the one side plate 12 to form a fixed beam shape, and the first elastic arm 14 is located between the two notches 121 along the insertion direction of the docking module. The top plate 11 is bent downward to form a second elastic arm 15 near the other side plate 12, the second elastic arm 15 protrudes into the insertion space 10 along the middle position of the insertion direction of the docking module to form a second elastic protrusion 151, and two ends of the second elastic arm 15 are correspondingly fixed integrally with the top plate 11. The first elastic protrusion 141 and the second elastic protrusion 151 are used to elastically limit the docking module inserted into the insertion/extraction space 10.

The card connector further comprises a card withdrawing mechanism, wherein the card withdrawing mechanism comprises an operating rod 16 and a card withdrawing rod 17, and the operating rod 16 is limited between the second elastic arm part 15 and the other adjacent side plate 12 in a sliding manner; the middle position of the card withdrawing rod 17 is rotationally combined with the position, close to the end plate 13, of the top plate 11 through riveting, and one end of the card withdrawing rod 17 is linked with the operating rod 16.

Referring to fig. 5, the second elastic arm 15 is bent and extended along at least one end edge of the docking module in the inserting/pulling direction to form an elastic end 152, and the elastic end 152 is elastically pressed against the operating rod 16 correspondingly, so as to mainly limit the operating rod 16. The lower edges of the two ends of the second elastic arm 15 along the plugging direction of the docking module are respectively bent and extended to form a limiting portion 153, and the limiting portion 153 extends toward the side of the operating rod 16, so that a gap is formed between the operating rod 16 and the second elastic arm 15, and the second elastic arm 15 has an elastic deformation space.

Referring to fig. 1 to 5, two notches 121 are formed on one of the side plates 12 (the side plate 12 away from the operating rod 16), the insulation extending portion 212 is filled and combined with the notches 121, an implantation portion 122 protruding into the notches 121 is correspondingly formed on the side plate 12, and the implantation portion 122 is implanted and embedded in the insulation extending portion 212. The two notches 121 divide the one side plate 12 into three segments along the insertion/removal direction of the docking module.

The welding section 224 of the terminal 22 is arranged at one side plate 12, so that the impact generated by the position (rear end plate position) of the end plate 13 of the card connector after the butt joint module is inserted into the plugging space 10 can not affect the welding section 224, and meanwhile, the space at the position of the side plate 12 is fully utilized, which is beneficial to controlling the whole size of the card connector. In addition, in order to avoid poor overlapping between the extension 223 and the welding section 224 of the terminal 22 and the metal shell 1 and poor bonding stability between the extension 223 and the metal shell 1 of the terminal 22, the extension 223 is designed to be located outside the plane of the corresponding side plate 12.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that 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

1. A card connector, comprising:

2. The card connector according to claim 1, wherein: and a notch part is formed on one side plate, and the insulation extending part is filled and combined with the notch part.

3. The card connector according to claim 2, wherein: one of the side plates is provided with an implantation part which protrudes into the gap part, and the implantation part is implanted and embedded in the insulation extension part.

4. The card connector according to claim 2, wherein: the two gap parts divide one of the side plates into three sections along the plugging and unplugging direction of the butt joint module.

5. The card connector according to claim 4, wherein: and a first elastic arm part is formed on one side plate, the middle position of the first elastic arm part along the plugging direction of the butt joint module protrudes into the plugging space to form a first elastic convex part, two ends of the first elastic arm part are correspondingly and integrally fixed with one side plate, and the first elastic arm part is positioned between the two notch parts along the plugging direction of the butt joint module.

6. The card connector according to claim 5, wherein: the top plate is bent downwards to form a second elastic arm part close to the other side plate, the second elastic arm part protrudes inwards the plugging space along the middle position of the plugging direction of the butt joint module to form a second elastic convex part, and two ends of the second elastic arm part are correspondingly fixed with the top plate integrally;

7. The card connector according to claim 6, wherein: the second elastic arm part is bent and extends along at least one end edge of the butt joint module in the plugging direction to form an elastic end part, and the elastic end part is correspondingly and elastically abutted against the operating rod.

8. The card connector according to claim 6, wherein: the lower edges of the two ends of the second elastic arm part in the plugging direction of the butt joint module are respectively bent and extended to form a limiting part, and the limiting part extends towards the side where the operating rod is located, so that a space is formed between the operating rod and the second elastic arm part.

9. The card connector according to any one of claims 1 to 8, wherein: the extension section is positioned outside the plane of the side plate.

10. The card connector according to any one of claims 1 to 8, wherein: the plug-in and pull-out device is characterized by further comprising a butt-joint circuit board and an independent terminal module, wherein the independent terminal module is welded on the butt-joint circuit board, the metal shell cover is arranged above the independent terminal module and is fixedly welded with the butt-joint circuit board, and the independent terminal module and the integrated terminal module form the plug-in and pull-out space at intervals along the thickness direction of the butt-joint circuit board.