An electronic card connector assembly

Abstract

The application discloses an electronic card connector assembly, comprising a metal shell, an insulating body matched with the metal shell, a plurality of conductive terminals, and a card insertion space with an opening at one end; a first switch terminal; a second switch terminal; a card holder assembly provided with an insulating part and a metal part fixed to the insulating part, the metal part comprising a first contact point and a second contact point exposed to the insulating part; a card accommodating recess recessed on the card holder assembly for accommodating at least one electronic card; when the card holder assembly is not inserted or not fully inserted into the card insertion space, the first switch terminal and the second switch terminal remain in an open state; when the card holder assembly is fully inserted into the card insertion space, the first contact point and the first switch terminal are electrically connected, the second contact point and the second switch terminal are electrically connected, and the first switch terminal and the second switch terminal are electrically connected through the metal part to form a closed state.

Description

Technical Field

[0001] This application relates to an electronic card connector assembly. Background Technology

[0002] For relevant prior art, please refer to Chinese Utility Model Patent CN223552794U, which discloses a card cover and its card connector, which is generally used to assemble onto a mating substrate inside electronic devices (such as smartphones, tablets, and smartwatches). The card connector includes a card cover and a terminal assembly that mates with the card cover. The card cover includes a metal housing and a card ejection mechanism 3 assembled on the metal housing. The card connector also includes a switch terminal assembly, which includes a resilient terminal and a fixed terminal. The resilient terminal is a separate metal component, and the fixed terminal is formed by bending downwards from the rear section of the top plate of the metal housing. The resilient terminal is assembled onto an insulating body and mates with the fixed terminal to form a contact or disconnect state, thereby generating a detection signal to identify whether the card tray is fully inserted.

[0003] In existing technologies, this type of switch terminal assembly is generally formed at the rear of the insertion space (i.e., in front of the card tray insertion direction). In actual use, the card tray pushes the resilient terminal to achieve contact or disconnection between the resilient terminal and the fixed terminal. Due to design limitations, the card connector needs to reserve space in front of the card tray insertion direction to house the switch terminal assembly, which increases the overall length of the card connector. Furthermore, in existing technologies, this type of switch terminal assembly achieves the switching function entirely through direct contact or disconnection between the resilient terminal and the fixed terminal. When the card tray is not inserted, the resilient terminal and the fixed terminal are generally in a normally closed state. However, in the event of a drop or vibration, there is a possibility that the resilient terminal may accidentally bend and disconnect from the fixed terminal, potentially resulting in a false detection signal.

[0004] Therefore, it is necessary to design a new electronic card connector assembly to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this application is to provide an electronic card connector assembly that facilitates the overall miniaturization of the electronic card connector assembly and ensures the stable function of the switch terminal assembly.

[0006] To achieve the above objectives, this application provides the following technical solution: An electronic card connector assembly includes: a metal housing, an insulating body that mates with the metal housing, and a plurality of conductive terminals, defining a card insertion space that opens to one end. First switch terminal piece; Second switch terminal block; A card holder assembly includes an insulating portion and a metal portion fixed to the insulating portion, the metal portion including a first contact point and a second contact point exposed in the insulating portion; A card-accommodating recess is formed on the card tray assembly for accommodating at least one electronic card; When the card tray assembly is not inserted or is not fully inserted into the card insertion space, the first switch terminal and the second switch terminal remain in the normally open state. When the card tray assembly is fully inserted into the card insertion space, the first contact point and the first switch terminal are in electrical contact, the second contact point and the second switch terminal are in electrical contact, and the first switch terminal and the second switch terminal are connected through the metal part to form a normally closed state.

[0007] Furthermore, the first switch terminal is integrally fixed with the insulating body, including a fixed section embedded in the insulating body, an elastic section extending out of the insulating body, and a mating section extending out of the insulating body and used for electrical connection with the circuit board. The elastic section is capable of elastic deformation.

[0008] Furthermore, the elastic segment is elastically deformable in the vertical direction and at least partially protrudes into the card insertion space; The first contact point corresponds to one of the upper and lower surfaces exposed on the insulating part.

[0009] Furthermore, the insulating body includes a first insulator, and the plurality of conductive terminals and the first switch terminal are all fixed to the first insulator; The first insulator is fixed to the circuit board independently of the metal shell, and the metal shell covers the first insulator and is fixed to the circuit board; The card insertion space is located between the first insulator and the metal shell in the vertical direction.

[0010] Furthermore, the insulating body includes a second insulator, and the second switch terminal is fixed to the second insulator; The second switch terminal includes a second fixed section embedded and fixed in the second insulator, a second elastic section extending out of the second insulator, and a second mating section extending out of the second insulator and used for electrical connection with the circuit board, wherein the second contact point is in electrical contact with the second elastic section. The metal casing includes a top plate and two side plates extending downward from both sides of the top plate, and the second insulator is fixed to the inner surface of the top plate. Several fixing feet are formed by extending from the lower edge of the side plate, and the fixing feet are correspondingly fixed to the circuit board.

[0011] Furthermore, the metal casing includes a top plate and two side plates extending downward from both sides of the top plate; Several fixing feet are formed by bending and extending the lower edge of the side plate, and the fixing feet are fixed to the circuit board accordingly; The second switch terminal is formed on one of the side plates, and a portion of the second switch terminal is bent and extended in the left-right direction toward the inside of the card slot to form a contact portion, which is electrically connected to the second contact point.

[0012] Furthermore, the metal casing includes a top plate and two side plates extending downward from both sides of the top plate; Several fixing feet are formed by bending and extending the lower edge of the side plate, and the fixing feet are fixed to the circuit board accordingly; The second switch terminal is formed by punching and bending the top plate downwards near one of the side plates. The second switch terminal is arranged opposite to the other side plate in the left-right direction, and the card insertion space is formed between the second switch terminal and the other side plate. A portion of the second switch terminal piece is bent and extended in the left-right direction toward the inside of the card slot to form a contact portion, which makes electrical contact with the second switch terminal piece.

[0013] Furthermore, the second switch terminal is formed as a fixed beam with both ends fixed, at least a partial position of the second switch terminal can be elastically deformed in the left-right direction, and the second switch terminal is bent and extended inward toward the card insertion space at the middle position in the front-back direction to form the contact portion.

[0014] Furthermore, the first contact point is exposed on the upper surface of the insulating portion, and the second contact point is exposed on the lower surface of the insulating portion. The first contact point is electrically connected to the first switch terminal in the vertical direction, and the second contact point is electrically connected to the second switch terminal in the vertical direction.

[0015] Furthermore, the first contact point is exposed on one of the upper and lower surfaces of the insulating part, and the second contact point is exposed on one of the left and right sides of the insulating part. The first contact point is electrically connected to the first switch terminal in the vertical direction, and the second contact point is electrically connected to the second switch terminal in the horizontal direction.

[0016] Furthermore, at least one side of the left and right sides of the insulating part is recessed to form a locking notch, the first contact point is exposed in the locking notch, and the contact part is correspondingly engaged in the locking notch and electrically contacted with the second contact point.

[0017] Compared with the prior art, the beneficial effects of this application are: it facilitates the overall miniaturization of the electronic card connector assembly and ensures the stable function of the switch terminal assembly. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the electronic card connector assembly of this application, specifically showing the three-dimensional state of the card tray assembly before it is inserted into the electronic card connector.

[0019] Figure 2 This is a partial exploded perspective view of the electronic card connector in this application.

[0020] Figure 3 yes Figure 2 A three-dimensional diagram viewed from another angle.

[0021] Figure 4 This is a three-dimensional schematic diagram of the card tray component of this application.

[0022] Figure 5 This is an exploded perspective view of the card slot assembly of this application, specifically showing a perspective schematic diagram when the insulating part and the metal part are separated.

[0023] Figure 6 yes Figure 4 A three-dimensional schematic diagram of the cassette assembly viewed from another angle.

[0024] Figure 7 yes Figure 6 The exploded three-dimensional view of the middle caliper assembly specifically shows a three-dimensional schematic diagram when the insulating part and the metal part are separated. Detailed Implementation

[0025] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0026] In this application description, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] In the description of this application, it should be understood that the terms “comprising” and “having” as used herein, and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are expressly listed, but may include other steps or units that are not expressly listed or that are inherent to such process, method, product, or apparatus.

[0028] To ensure accuracy in this application, all directions should be referred to as... Figure 1 For reference, the X-axis direction is defined as the left-right direction; the Y-axis direction is defined as the up-down direction, with the positive Y-axis direction being up; and the Z-axis direction is defined as the front-back direction, with the positive Z-axis direction being back (which is the insertion direction of the cassette assembly).

[0029] Please refer to the reference. Figures 1 to 7 The image shows an electronic card connector assembly used in this application, including an electronic card connector 100 and a card tray assembly 200 used in conjunction with the electronic card connector 100. The electronic card connector 100 defines a card insertion space 10 with an opening at one end. The electronic card connector 100 includes: a metal housing 1, a first terminal assembly 201, a second terminal assembly 202, and a third terminal assembly 203. The metal housing 1 is formed by stamping and bending a metal sheet, including a top plate 11 and two side plates 12 extending downward from both sides of the top plate 11. A fixing foot 121 extends from the lower edge of each side plate 12, and the fixing foot 121 is used to fix it to a circuit board (not shown, but may be a PCB board inside an electronic device).

[0030] The first terminal assembly 201 includes a first insulator 21, a plurality of conductive terminals 3 fixed to the first insulator 21, and a first switch terminal 4. In a preferred embodiment, the first switch terminal 4 is integrally fixed to the first insulator 21 and includes a fixed section (not labeled) embedded in the first insulator 21, an elastic section 41 extending out of the first insulator 21, and a mating section 42 extending out of the first insulator 21 and used for electrical connection with a circuit board. The conductive terminals 3 are used for electrical contact with an electronic card (not shown) to achieve signal transmission. Further, at least a portion of the elastic section 41 protrudes vertically into the card insertion space 10.

[0031] The second terminal assembly 202 includes a second insulator 22 and a plurality of conductive terminals 3 fixed to the second insulator 22. In a preferred embodiment, the second insulator 22 is correspondingly fixed to the inner surface of the top plate 11 of the metal housing 1. In a preferred embodiment, the second insulator 22 and the metal housing 1 are fixed by integral injection molding, but they can also be fixed by detachable assembly. The second insulator 22 and the conductive terminals 3 are also preferably fixed by integral injection molding.

[0032] The third terminal assembly 203 includes a third insulator 23 and a plurality of conductive terminals 3 fixed to the third insulator 23. In a preferred embodiment of this application, the first terminal assembly 201 is fixed to the circuit board independently of the metal housing 1. The third terminal assembly 203 is fixed to the circuit board independently of the metal housing 1. The metal housing 1, incorporating the second terminal assembly 202, is entirely covered above the first terminal assembly 201 and the third terminal assembly 203 and fixed to the circuit board. The first terminal assembly 201 is located in front of the third terminal assembly 203 along the insertion direction of the card holder assembly 200.

[0033] In a preferred embodiment, the first terminal assembly 201 is used for electrical connection with a Micro SD card. The second terminal assembly 202 and the third terminal assembly 203 are used for electrical connection with a SIM card, respectively. Adaptably, the conductive terminals 3 of the first terminal assembly 201, the second terminal assembly 202, and the third terminal assembly 203 have different structures. As shown in the accompanying drawings, the conductive terminals 3 of the second terminal assembly 202 and the third terminal assembly 203 have similar structures. (See attached figures for key reference.) Figure 2 , 3 In the preferred embodiment, the first switch terminal 4 and the conductive terminals 3 of the first terminal assembly 201 are arranged side by side so as to maximize the use of space and make good use of the notch area on one side of the Micro SD card electrical connection ground terminal arrangement.

[0034] Please refer to the reference. Figures 4 to 7 As shown, the card tray assembly 6 of this application includes an insulating portion 61 and a metal portion 62 fixed to the insulating portion 61. The metal portion 62 and the insulating portion 61 are preferably fixed by integral injection molding. A through hole (not labeled) is formed through the insulating portion 61. The metal portion 62 divides the through hole at a midpoint along the vertical direction to form a plurality of card-accepting recesses 60 with downward openings and upward openings, the card-accepting recesses 60 being used to accommodate electronic cards. Further, the metal portion 62 includes a first contact point 621 and a second contact point 622 exposed on the insulating portion 61.

[0035] Please combine Figures 1 to 3 As shown, a second switch terminal 5 is formed by stamping and bending on one of the side plates 12. A portion of the second switch terminal 5 extends inward toward the card slot 10 in the left-right direction to form a contact portion 51. Further, the second switch terminal 5 is formed as a fixed beam with both ends fixed. At least a portion of the second switch terminal 5 is elastically deformable in the left-right direction, more specifically, at the location where the contact portion 51 is formed. In one embodiment, the first contact point 621 protrudes from the lower surface of the insulating portion 61 in the up-down direction. When the card tray assembly 6 is not inserted or not fully inserted into the card slot 10, the first switch terminal 4 and the second switch terminal 5 remain normally open. When the card tray assembly 6 is fully inserted into the card slot 10, the first contact point 621 and the first switch terminal 4 (i.e., the elastic segment 41) are in electrical contact; the second contact point 622 and the second switch terminal 5 (i.e., the contact portion 51) are in electrical contact. The first switch terminal 4 and the second switch terminal 5 are connected through the metal portion 62 to form a normally closed state.

[0036] Of course, in other embodiments, the second switch terminal 5 can also be formed by pressing and bending the top plate 11 downwards near one of the side plates 12. This embodiment is not shown in the accompanying drawings, but its structure can be referenced from the second switch terminal 5 in the drawings, which is arranged opposite to the other side plate 12 in the left-right direction, forming the insertion space 10 between the second switch terminal 5 and the other side plate 12. In this embodiment, the second switch terminal 5 is preferably a fixed beam-like structure with both ends fixed to the top plate 11. Furthermore, at least a portion of the second switch terminal 5 is capable of elastic deformation in the left-right direction.

[0037] In another embodiment, the second switch terminal 5 can also be disposed on the second insulator 22. Specifically, the second switch terminal 5 can correspond to or be offset from the first switch terminal 4 in the vertical direction. The structure of the second switch terminal 5 can be designed to be the same as or similar to that of the first switch terminal 4. Similarly, the second switch terminal 5 includes a second fixed section (not shown) embedded and fixed in the second insulator 22, a second elastic section (not shown) extending out of the second insulator 22, and a second mating section (not shown) extending out of the second insulator 22 and applied for electrical connection with the circuit board. Similarly, the second elastic section (not shown) can be elastically deformable in the vertical direction and at least partially protrudes into the card slot space 10. In this embodiment, the first contact point 621 can be designed to be exposed on the upper surface of the insulating part 61, and the second contact point 622 can be designed to be exposed on the lower surface of the insulating part 61. The first contact point 621 is electrically contacted with the first switch terminal 4 in the vertical direction, and the second contact point 622 is electrically contacted with the second switch terminal 5 in the vertical direction.

[0038] In one of the above embodiments, when the first switch terminal 4 and the second switch terminal 5 are respectively disposed on the first insulator 21 and the second insulator 22, the positions of the first switch terminal 4 and the second switch terminal 5 can be interchanged.

[0039] In one of the above embodiments, when the second switch terminal 5 is formed on the metal housing 1, the first switch terminal 4 can be selectively disposed on the first insulator 21 or the second insulator 22.

[0040] Please refer to the reference. Figures 1 to 7 As shown, in the preferred embodiment of this application, at least one side of the insulating portion 61 has a recessed locking notch 611. The first contact point 621 is exposed within the locking notch 611, and the contact portion 51 is correspondingly engaged within the locking notch 611 and makes electrical contact with the second contact point 622. Thus, through the structural cooperation between the first switch terminal 4, the second switch terminal 5, and the metal portion 62 of the card tray assembly 6, it is possible not only to detect whether the card tray assembly is fully inserted into the card insertion space 10, but also to position the card tray assembly 6 by locking it with the second switch terminal 5 and the locking notch 611. Furthermore, it is possible to reduce the overall length of the electronic card connector 100 in the insertion / removal direction of the card tray assembly 6.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

[0042] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electronic card connector assembly, comprising: The metal casing (1), the insulating body that mates with the metal casing (1), and several conductive terminals (3) define a card insertion space (10) that opens to one end. First switch terminal (4); Second switch terminal (5); The card holder assembly (6) has an insulating part (61) and a metal part (62) fixed to the insulating part (61). The metal part (62) includes a first contact point (621) and a second contact point (622) exposed on the insulating part (61). A card-accommodating recess (60), recessed in the card tray assembly (6) for accommodating at least one electronic card, characterized in that: When the card tray assembly (6) is not inserted or not fully inserted into the card insertion space (10), the first switch terminal (4) and the second switch terminal (5) remain in the normally open state; When the card tray assembly (6) is fully inserted into the card insertion space (10), the first contact point (621) and the first switch terminal (4) make electrical contact, the second contact point (622) and the second switch terminal (5) make electrical contact, and the first switch terminal (4) and the second switch terminal (5) are connected through the metal part (62) to form a normally closed state.

2. The electronic card connector assembly according to claim 1, characterized in that: The first switch terminal (4) is integrally fixed with the insulating body, including a fixed section embedded in the insulating body, an elastic section (41) extending out of the insulating body, and a mating section (42) extending out of the insulating body and used for electrical connection with the circuit board. The elastic section (41) is capable of elastic deformation.

3. The electronic card connector assembly according to claim 2, characterized in that: The elastic segment (41) is elastically deformable in the vertical direction and at least partially protrudes into the card insertion space (10); The first contact point (621) is exposed on one of the upper and lower surfaces of the insulating part (61).

4. The electronic card connector assembly according to claim 3, characterized in that: The insulating body includes a first insulator (21), and the plurality of conductive terminals (3) and the first switch terminal (4) are all fixed to the first insulator (21). The first insulator (21) is fixed to the circuit board independently of the metal shell (1), and the metal shell (1) covers the first insulator (21) and is fixed to the circuit board. The card insertion space (10) is located between the first insulator (21) and the metal shell (1) in the vertical direction.

5. The electronic card connector assembly according to claim 3, characterized in that: The insulating body includes a second insulator (22), and the second switch terminal (5) is fixed to the second insulator (22); The second switch terminal (5) includes a second fixed section embedded and fixed in the second insulator (22), a second elastic section extending out of the second insulator (22), and a second mating section extending out of the second insulator (22) and applied to be electrically connected to the circuit board. The second contact point (622) is in electrical contact with the second elastic section. The metal casing (1) includes a top plate (11) and two side plates (12) extending downward from both sides of the top plate (11), and the second insulator (22) is fixed to the inner surface of the top plate (11). A plurality of fixing feet (121) are formed by extending from the lower edge of the side plate (12), and the fixing feet (121) are fixed to the circuit board.

6. The electronic card connector assembly according to claim 1, characterized in that: The metal casing (1) includes a top plate (11) and two side plates (12) extending downward from both sides of the top plate (11). A plurality of fixing feet (121) are formed by bending and extending the lower edge of the side plate (12), and the fixing feet (121) are fixed to the circuit board accordingly; The second switch terminal (5) is formed on one of the side plates (12). A portion of the second switch terminal (5) is bent and extended in the left-right direction toward the inside of the card slot (10) to form a contact portion (51). The contact portion (51) is electrically contacted with the second contact point (622).

7. The electronic card connector assembly according to any one of claims 1, characterized in that: The metal casing (1) includes a top plate (11) and two side plates (12) extending downward from both sides of the top plate (11). A plurality of fixing feet (121) are formed by bending and extending the lower edge of the side plate (12), and the fixing feet (121) are fixed to the circuit board accordingly; The second switch terminal (5) is formed by pressing and bending the top plate (11) downward near one of the side plates (12). The second switch terminal (5) and the other side plate (12) are arranged opposite each other in the left-right direction, and the card insertion space (10) is formed between the second switch terminal (5) and the other side plate (12). A portion of the second switch terminal (5) is bent and extended in the left-right direction toward the inside of the card insertion space (10) to form a contact portion (51), which is in electrical contact with the second switch terminal (5).

8. The electronic card connector assembly according to claim 6 or 7, characterized in that: The second switch terminal (5) is formed as a fixed beam with both ends fixed. At least a portion of the second switch terminal (5) is elastically deformable in the left-right direction. The second switch terminal (5) is bent and extended inward toward the card insertion space (10) at the middle position in the front-back direction to form the contact portion (51).

9. The electronic card connector assembly according to claims 1 to 5, characterized in that: The first contact point (621) is exposed on the upper surface of the insulating part (61), and the second contact point (622) is exposed on the lower surface of the insulating part (61). The first contact point (621) is electrically connected to the first switch terminal (4) in the vertical direction, and the second contact point (622) is electrically connected to the second switch terminal (5) in the vertical direction.

10. The electronic card connector assembly according to claim 8, characterized in that: The first contact point (621) is exposed on one of the upper and lower surfaces of the insulating part (61), and the second contact point (622) is exposed on one of the left and right surfaces of the insulating part (61). The first contact point (621) is electrically connected to the first switch terminal (4) in the vertical direction, and the second contact point (622) is electrically connected to the second switch terminal (5) in the horizontal direction.

11. The electronic card connector assembly according to claim 10, characterized in that: At least one side of the insulating part (61) is recessed to form a latching notch (611), the first contact point (621) is exposed in the latching notch (611), and the contact part (51) is correspondingly engaged in the latching notch (611) and electrically contacted with the second contact point (622).

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