Card seat assembly and electronic equipment

Abstract

The invention discloses a card seat assembly and electronic equipment, and relates to the field of electronic products. A card seat assembly comprises a card seat structure which comprises a card seat body and a detection part; the card seat body is provided with a groove and an accommodating cavity for installing the card support structure, the groove and the accommodating cavity are distributed along a first direction, and the first direction is an insertion direction of the card support structure; the detection component comprises a movable terminal, a static terminal and conductive silica gel, one end of the movable terminal is arranged in the groove, the other end of the movable terminal is connected with the conductive silica gel, and at least part of the conductive silica gel extends towards the accommodating cavity; when the card support structure is separated from the accommodating cavity, the conductive silica gel is in contact with the static terminal, and when the card support structure is installed in the accommodating cavity, the conductive silica gel is separated from the static terminal. The card support structure at least can solve the problem that the elastic sheet type detection terminal occupies a large space in the insertion direction of the card support structure.

Description

Technical Field

[0001] This application belongs to the technical field of electronic products, specifically relating to a card slot assembly and an electronic device. Background Technology

[0002] Currently, many electronic devices use a stacked card placement method, which can meet the needs of multiple cards in one device, and reduce the stacking space and board area of ​​the card slots, so as to free up more space to accommodate components such as batteries and antennas, thereby improving the performance of electronic devices.

[0003] In related technologies, spring contacts are used as detection terminals to detect card tray structures. However, due to the multiple bending structures of the spring contacts, the overall size of the spring contact-type detection terminal is relatively large, especially occupying a large space in the insertion direction of the card tray structure, which is not conducive to the miniaturization of electronic devices. Summary of the Invention

[0004] The purpose of this application is to provide a card holder assembly and electronic device that can at least solve the problem that the spring-type detection terminal occupies a large space in the insertion direction of the card holder structure.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows: This application provides a card holder assembly, including: a card holder structure, the card holder structure including a card holder body and a detection component; The card holder body is provided with a groove and a receiving cavity for installing a card tray structure. The groove and the receiving cavity are distributed along a first direction, which is the insertion direction of the card tray structure. The detection component includes a moving terminal, a stationary terminal, and conductive silicone. One end of the moving terminal is disposed in the groove, and the other end of the moving terminal is connected to the conductive silicone. At least a portion of the conductive silicone extends toward the receiving cavity. When the card holder structure is separated from the receiving cavity, the conductive silicone comes into contact with the stationary terminal; when the card holder structure is installed in the receiving cavity, the conductive silicone separates from the stationary terminal.

[0006] This application also provides an electronic device including the aforementioned card slot assembly.

[0007] In this embodiment, the conductive silicone is connected to the moving terminal to support it and facilitate signal transmission between them. At least a portion of the conductive silicone extends towards the receiving cavity. When the card holder structure is installed in the cavity, it contacts and compresses the conductive silicone, separating it from the stationary terminal and disconnecting the moving and stationary terminals. When the card holder structure separates from the cavity, it releases the compression, allowing the conductive silicone to re-contact the stationary terminal, thus establishing a signal connection between them. Compared to spring-loaded detection terminals, this embodiment uses a combination of moving, stationary, and conductive silicone to achieve the detection terminal function. This eliminates the need for multiple bends and the need for adapting springs to accommodate these bends, reducing space requirements and streamlining the assembly process. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the card slot assembly disclosed in the embodiments of this application; Figure 2 This is a partial schematic diagram of the card holder assembly disclosed in an embodiment of this application; Figure 3 This is a first-view view of the first plastic part and terminal strip disclosed in the embodiments of this application; Figure 4 This is a second perspective view of the first plastic part and terminal strip disclosed in the embodiments of this application; Figure 5 This is a schematic diagram of the structure of the first plastic part disclosed in the embodiments of this application; Figure 6 This is a schematic diagram of the upper card holder, ejection structure, and detection component disclosed in the embodiments of this application; Figure 7 This is a schematic diagram of the upper card holder and detection component disclosed in the embodiments of this application; Figure 8 This is a partial schematic diagram of the upper card holder and detection component disclosed in the embodiments of this application; Figure 9 This is a schematic diagram of the structure of the housing of the upper card holder disclosed in the embodiments of this application; Figure 10 This is a schematic diagram of the card holder structure disclosed in the embodiments of this application.

[0009] Explanation of reference numerals in the attached figures: 01-Card slot structure; 10-Card holder body; 10a-Receiving cavity; 11-Upper card holder; 111-Second plastic part; 1111-Groove; 112-Housing shell; 1121-Clamping arm; 12-Lower card holder; 121-First plastic part; 121a-Plastic unit; 1211-Protrusion; 1212-Second hole; 122-Terminal strip; 1221-First hole; 1222-Solder foot; 20 - Detection component; 21 - Moving terminal; 22 - Stationary terminal; 23 - Conductive silicone; 231 - First contact terminal; 232 - Second contact terminal; 30 - Ejection structure; 31 - Ejection swing arm; 32 - Ejection rod; 02-Cartridge structure; 021-Step section. Detailed Implementation

[0010] The technical solutions of 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, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0011] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0012] The embodiments of this application will be described in detail below with reference to the accompanying drawings and specific examples and application scenarios.

[0013] refer to Figures 1 to 10 This application discloses a card holder assembly applied to an electronic device. The disclosed card holder assembly includes a card holder structure 01. In addition, the card holder assembly may also include a card tray structure 02 for mounting the card tray structure 02 through the card holder structure 01.

[0014] like Figure 2As shown, the card holder structure 01 includes a card holder body 10 and a detection component 20. The card holder body 10 is a basic component that provides a support and mounting base for the detection component 20, etc. In some embodiments, the card holder body 10 has a groove 1111 and a receiving cavity 10a. The groove 1111 is used to install at least a portion of the structure of the detection component 20, and the receiving cavity 10a is used to install the card holder structure 02. The groove 1111 and the receiving cavity 10a are distributed along a first direction, which is the insertion direction of the card holder structure 02.

[0015] In this embodiment, the detection component 20 may include a moving terminal 21, a stationary terminal 22, and conductive silicone 23. One end of the moving terminal 21 is disposed in a groove 1111, which serves to install and fix one end of the moving terminal 21, thereby achieving installation stability. The other end of the moving terminal 21 is connected to the conductive silicone 23, enabling signal transmission between the moving terminal 21 and the conductive silicone 23.

[0016] Furthermore, at least a portion of the conductive silicone 23 extends toward the receiving cavity 10a, such that at least a portion of the conductive silicone 23 can contact the card holder structure 02 installed in the receiving cavity 10a and be compressed by the card holder structure 02.

[0017] Additionally, the stationary terminal 22 can be disposed on the card holder body 10 to ensure the installation stability of the stationary terminal 22. Optionally, the stationary terminal 22 can be fixedly connected to the card holder body 10, or it can be detachably connected to the card holder body 10, depending on the actual requirements.

[0018] When the card holder structure 02 is separated from the receiving cavity 10a, the conductive silicone 23 contacts the stationary terminal 22; when the card holder structure 02 is installed in the receiving cavity 10a, the conductive silicone 23 separates from the stationary terminal 22.

[0019] Based on the above configuration, in this embodiment, the conductive silicone 23 is connected to the moving terminal 21 to support the conductive silicone 23 and enable signal transmission between the moving terminal 21 and the conductive silicone 23. Furthermore, at least a portion of the conductive silicone 23 extends towards the receiving cavity 10a. When the card holder structure 02 is installed in the receiving cavity 10a, the card holder structure 02 can contact and compress the conductive silicone 23, separating it from the stationary terminal 22, thereby disconnecting the moving terminal 21 from the stationary terminal 22. When the card holder structure 02 separates from the receiving cavity 10a, the card holder structure 02 releases its compression of the conductive silicone 23, allowing the conductive silicone 23 to re-contact the stationary terminal 22, thus achieving signal connection between the moving terminal 21 and the stationary terminal 22. Therefore, the detection switch function can be realized through the cooperation of the moving terminal 21, the conductive silicone 23, and the stationary terminal 22.

[0020] Compared to spring-loaded detection terminals, this embodiment uses a combination of a moving terminal 21, a stationary terminal 22, and conductive silicone 23 to achieve the function of a detection terminal. This eliminates the need for multiple bends and the need to adapt the spring-loaded terminals to the bends, which not only reduces the space occupied but also optimizes the assembly process, making it simpler.

[0021] refer to Figure 7 and Figure 8 In some embodiments, the conductive silicone 23 may include a first contact end 231 and a second contact end 232. The first contact end 231 extends toward the receiving cavity 10a in the opposite direction of a first direction, so that the first contact end 231 can contact the card holder structure 02 installed in the receiving cavity 10a and be subjected to the squeezing action of the card holder structure 02. Optionally, the first contact end 231 may be a protrusion, bump, or other structure.

[0022] The second contact end 232 can extend along the second direction and can contact or separate from the stationary terminal 22. Thus, when the card holder structure 02 is installed into the receiving cavity 10a, the first contact end 231 is squeezed, so that the conductive silicone 23 can deform or move, thereby separating the second contact end 232 from the stationary terminal 22.

[0023] Optionally, such as Figure 8 As shown, the second contact end 232 has a stepped surface on the side facing the stationary terminal 22. This stepped surface includes a first contact surface extending in a first direction and a second contact surface extending in a second direction. Thus, when the second contact end 232 contacts the stationary terminal 22, the first contact surface and the second contact surface contact the top surface and the side surface of the stationary terminal 22, respectively. Based on this, in this embodiment, the conductive silicone 23 and the stationary terminal 22 can adopt a transverse (i.e., second direction) + longitudinal (i.e., first direction) contact method, which is beneficial to improve contact stability and facilitate stable conduction between the conductive silicone 23 and the stationary terminal 22.

[0024] Optionally, the conductive silicone 23 may deform when squeezed by the clip structure 02; or, the moving terminal 21 may deform when the conductive silicone 23 is squeezed by the clip structure 02; or, both the conductive silicone 23 and the moving terminal 21 may deform when squeezed by the clip structure 02. As long as the second contact end 232 can be separated from the stationary terminal 22, the specific form is not limited.

[0025] The second direction intersects the first direction. Optionally, the second direction may or may not be perpendicular to the first direction, depending on the specific requirements.

[0026] In some more specific embodiments, the moving terminal 21 and the conductive silicone 23 can be an injection molded integral part. This method can reduce the production difficulty and improve the production efficiency while ensuring the reliability of the connection between the moving terminal 21 and the conductive silicone 23. In addition, it can also make the overall structure of the moving terminal 21 and the conductive silicone 23 simpler and easier to install.

[0027] Compared to the spring contact method with multiple bends in related technologies, the embodiment of this application uses a single injection-molded part of the moving terminal 21 and conductive silicone 23, which eliminates the need for multiple bends, thus reducing the volume and further minimizing the space occupied in the first direction.

[0028] refer to Figures 3 to 6 In some embodiments, the card holder body 10 may include an upper card holder 11 and a lower card holder 12 spaced apart along a third direction, with the receiving cavity 10a located between the upper card holder 11 and the lower card holder 12, such that when the card tray structure 02 is installed into the receiving cavity 10a, the upper card holder 11 and the lower card holder 12 are distributed on both sides of the card tray structure 02 along a third direction to surround the card tray structure 02 and provide a certain degree of protection for the card tray structure 02.

[0029] Optionally, the third direction can be the thickness direction of the cassette structure 02, which can be perpendicular to the first direction. For example, the first direction, the second direction, and the third direction can be perpendicular to each other.

[0030] refer to Figures 3 to 5 In some embodiments, the lower card holder 12 may include a first plastic part 121 and a terminal strip 122, wherein the terminal strip 122 is spaced apart from the upper card holder 11, and the first plastic part 121 is only disposed between the terminal strip 122 and the upper card holder 11.

[0031] Based on the above settings, in this embodiment, the lower card holder 12 adopts a single-sided injection molding method. Compared with the method of setting the first plastic parts 121 on both sides of the terminal strip 122 to achieve plastic wrapping on both sides, this embodiment eliminates one side of the plastic, so that the terminal strip 122 can be directly attached to the board. This is beneficial to reduce the thickness of the lower card holder 12 in the third direction, thereby reducing the overall thickness of the card holder structure 01. This is beneficial to reduce the overall thickness of the electronic device after the card tray structure 02 with the card is installed on the card holder structure 01. In addition, it can meet the requirement that the card-accepting space of the current standard design remains unchanged, and improve the contact reliability.

[0032] To achieve the connection between the terminal strip 122 and the first plastic part 121, the first plastic part 121 may have multiple protrusions 1211 on the side opposite to the upper card holder 11, such as... Figure 5 As shown; correspondingly, the terminal strip 122 may be provided with a plurality of first holes 1221, such as Figure 3 As shown, multiple protrusions 1211 are provided one-to-one with the corresponding first hole 1221.

[0033] Based on the above configuration, the cooperation between the protrusion 1211 and the corresponding first hole 1221 can achieve a stable connection between the first plastic part 121 and the terminal strip 122, effectively alleviating the problem of the terminal strip 122 detaching from the first plastic part 121, and can also achieve positioning between the first plastic part 121 and the terminal strip 122 to improve positional accuracy.

[0034] Optionally, the protrusion 1211 and the first hole 1221 can be interference-fitted to further improve the stability of the installation between the terminal strip 122 and the first plastic part 121.

[0035] For example, the shape of the cross-section of the protrusion 1211 can be circular, elliptical, polygonal, etc., or it can be irregular in shape, which can be set according to actual needs.

[0036] In some embodiments, the first plastic part 121 may have a plurality of second holes 1212 on the side facing the terminal strip 122, such as Figure 4 and Figure 5 As shown; correspondingly, the terminal strip 122 may be provided with multiple solder feet 1222, such as Figure 3 As shown, multiple solder feet 1222 are correspondingly arranged with multiple second holes 1212. Based on this arrangement, the terminal strip 122 can be stably bonded and installed with the first plastic part 121, and it is beneficial to improve the application strength of the lower card holder 12, effectively alleviating the problem of insufficient strength caused by the terminal strip 122 being suspended.

[0037] refer to Figure 4 and Figure 5 In some embodiments, the first plastic component 121 may include a plurality of plastic units 121a, which are arranged along a first direction and adjacent plastic units 121a are spaced apart. Based on this, the first plastic component 121 can adopt a plastic break design, which can optimize the overall one-sided plastic warping shape and alleviate the deformation difference caused by the presence or absence of plastic shrinkage on the front and back sides of the terminal strip 122.

[0038] refer to Figure 6 In some embodiments, the card holder structure 01 may further include an ejection structure 30 for pushing the card tray structure 02 to push the card tray structure 02 out of the receiving cavity 10a.

[0039] The ejection structure 30 may include an ejection swing arm 31 and an ejector rod 32. The ejection swing arm 31 is rotatably disposed on the card holder body 10 and located on one side of the receiving cavity 10a along the first direction. One end of the ejection swing arm 31 is used to rotate into the receiving cavity 10a to abut against the card holder structure 02. Thus, by rotating the ejection swing arm 31, the card holder structure 02 can be ejected from the receiving cavity 10a. Optionally, the card holder body 10 may be provided with a rotating shaft, pin, or other structure. The middle region of the ejection swing arm 31 is rotatably connected to the rotating shaft or pin so that the ejection swing arm 31 can rotate relative to the card holder body 10.

[0040] The push rod 32 is movably disposed on the card holder body 10 and located on one side of the receiving cavity 10a along the second direction; and the push rod 32 can be movably connected to the other end of the ejection swing arm 31. Thus, by moving the push rod 32 relative to the card holder body 10, the ejection swing arm 31 can be driven to rotate relative to the card holder body 10, and finally the card holder structure 02 is ejected from the receiving cavity 10a by the ejection swing arm 31.

[0041] Furthermore, the card holder body 10 may also be provided with a slide rail located on one side of the receiving cavity 10a along the second direction, and the push rod 32 is movably disposed in the slide rail along the first direction so that the push rod 32 can move smoothly relative to the card holder body 10 along the first direction.

[0042] Optionally, the card holder body 10 may be provided with multiple clamping arms 1121, which are arranged along a first direction. Each clamping arm 1121 is provided with a slide rail unit that runs through the first direction, and the slide rail units of the multiple clamping arms 1121 together form a slide rail. The push rod 32 is sequentially inserted into the slide rail units of the multiple clamping arms 1121 to guide the push rod 32 through the slide rail unit of each clamping arm 1121, thereby improving the smoothness of the movement of the push rod 32.

[0043] For example, the upper card holder 11 or the lower card holder 12 may include a housing 112, and the clamping arm 1121 may be disposed within the housing 112.

[0044] like Figure 6 As shown, in some more specific embodiments, the upper card holder 11 may include a housing 112 and a second plastic part 111, the second plastic part 111 being disposed inside the housing 112; in addition, the clamping arm 1121 may also be disposed inside the housing 112 and located on the side of the second plastic part 111.

[0045] refer to Figure 10In some embodiments, the card holder assembly may further include a card tray structure 02, on the side of the card tray structure 02 facing the interior of the receiving cavity 10a, a step portion 021 may be provided, at least a portion of the conductive silicone 23 is disposed in the step portion 021, so that the step portion 021 can provide a certain receiving space for the conductive silicone 23, thereby helping to reduce the size of the card holder assembly in the insertion direction of the card tray structure 02.

[0046] In addition, the moving terminal 21 is located above the stepped portion 021 in the third direction, which can help to shorten the length of the moving terminal in the first direction.

[0047] In addition, at least a portion of the ejection arm 31 of the ejection structure 30 can also be provided in the step portion 021. In this way, the step portion 021 can provide a certain accommodating space for at least a portion of the ejection arm 31, which can help reduce the size of the card holder assembly in the insertion direction of the card tray structure 02. At the same time, since the ejection arm 31 can be arranged forward above the card tray structure 02, the antenna clearance area can be increased and the overall length of the card holder assembly can be reduced.

[0048] In some embodiments, the card holder structure 02 may have a crossbeam step on its side along the second direction, and the push rod 32 may be disposed above the crossbeam step and below the clamping arm 1121. Exemplarily, the push rod 32 may have a Z-shaped structure, and the force-applying end of the push rod 32 may extend from the bottom of the card holder body 10 to facilitate the user's application of force.

[0049] In addition, the push rod 32 can be fixed to the retaining steel plate by rivets. The retaining steel plate has bent solder feet similar to an "octopus". It is fixed to the PCB by SMT. The "octopus" shaped bend makes it easy for SMT and the card holder structure 01 to be placed on the same side to ensure the mating distance with the card holder assembly. Furthermore, the built-in push rod 32 can reduce the width dimension of the card holder assembly in the second direction.

[0050] Optionally, in the embodiments of this application, the card holder assembly can be a stacked dual nano card holder, a three-in-two card holder, or a three-in-one card holder, etc. Of course, the same method can also be used to achieve miniaturization design for a single-layer card holder.

[0051] Based on the aforementioned card slot assembly, this application also discloses an electronic device, which includes the aforementioned card slot assembly. The electronic device can be a mobile phone, tablet computer, e-reader, wearable device, etc.

[0052] In summary, the embodiments of this application at least partially house the conductive silicone 23 and the ejector arm 31 within the stepped portion 021 of the card holder structure 02, which helps to reduce the size of the card holder assembly in the insertion direction of the card holder structure 02. The moving terminal 21 and the conductive silicone 23 are injection molded as a single unit, allowing the conductive silicone 23 to be pushed open for detection when the card holder structure 02 is inserted. Compared to a spring with multiple bends, the embodiments of this application help to reduce the size of the card holder assembly in the insertion direction of the card holder structure 02. The ejector rod 32 is placed within the slide of the card holder body 10, eliminating the need to separately place the ejector rod 32 on the outside of the card holder body 10, which helps to reduce the size of the card holder assembly in the second direction. The lower card holder 12 adopts a single-sided plastic solution, with the terminal strip 122 side attached to the plate during injection molding, thereby reducing the size of the card holder assembly in the third direction while keeping the accommodating space unchanged.

[0053] Therefore, the embodiments of this application can achieve extreme miniaturization of the large card slot assembly. By adopting extreme size design in all directions such as length, width and height, it can meet the requirements of lightweight design of electronic devices, reduce the board area, which is conducive to increasing battery capacity and improving user experience. By setting the conductive silicone 23 and the ejector arm 31 in the step part 021 and setting the push rod 32 in the crossbeam step, the size can be made extremely small while meeting the reliability requirements. The lower card slot 12 adopts a single-sided plastic solution to make the overall thickness extremely small.

[0054] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A card holder assembly, characterized in that, include: A card holder structure, the card holder structure including a card holder body and a detection component; The card holder body is provided with a groove and a receiving cavity for installing a card tray structure. The groove and the receiving cavity are distributed along a first direction, which is the insertion direction of the card tray structure. The detection component includes a moving terminal, a stationary terminal, and conductive silicone. One end of the moving terminal is disposed in the groove, and the other end of the moving terminal is connected to the conductive silicone. At least a portion of the conductive silicone extends toward the receiving cavity. When the card holder structure is separated from the receiving cavity, the conductive silicone comes into contact with the stationary terminal; when the card holder structure is installed in the receiving cavity, the conductive silicone separates from the stationary terminal.

2. The card holder assembly according to claim 1, characterized in that, The conductive silicone includes a first contact end and a second contact end. The first contact end extends toward the receiving cavity in the opposite direction of the first direction, and the second contact end extends in a second direction and is contactable or separable from the stationary terminal. The second direction intersects with the first direction.

3. The card holder assembly according to claim 1 or 2, characterized in that, The moving terminal and the conductive silicone are injection molded as a single unit.

4. The card holder assembly according to claim 1, characterized in that, The card holder body includes an upper card holder and a lower card holder spaced apart along a third direction. The receiving cavity is located between the upper card holder and the lower card holder. The third direction is the thickness direction of the card holder structure and is perpendicular to the first direction. The lower card holder includes a first plastic component and a terminal strip, the terminal strip being spaced apart from the upper card holder, and the first plastic component being disposed only between the terminal strip and the upper card holder.

5. The card holder assembly according to claim 4, characterized in that, The first plastic part has multiple protrusions on the side opposite to the upper card seat; The terminal strip is provided with a plurality of first holes, and the plurality of protrusions are provided one-to-one in the corresponding first holes.

6. The card holder assembly according to claim 4, characterized in that, The first plastic part has a plurality of second holes on the side facing the terminal strip; The terminal strip is provided with multiple solder feet, and each of the multiple solder feet is configured to correspond one-to-one with a multiple of the second holes.

7. The card holder assembly according to any one of claims 4 to 6, characterized in that, The first plastic part includes a plurality of plastic units, which are arranged along the first direction and are spaced apart from each other.

8. The card holder assembly according to claim 1, characterized in that, The card holder structure also includes an ejector structure; The ejection structure includes an ejection swing arm and a push rod. The ejection swing arm is rotatably disposed on the card holder body and located on one side of the receiving cavity along the first direction. One end of the ejection swing arm is used to rotate into the receiving cavity to abut against the card holder structure. The push rod is movably disposed on the card holder body and located on one side of the receiving cavity along the second direction. The push rod is movably connected to the other end of the ejection swing arm. The second direction intersects the first direction.

9. The card holder assembly according to claim 8, characterized in that, The card holder body is also provided with a slide rail extending along the first direction, and the slide rail is located on one side of the receiving cavity along the second direction; The push rod is movably disposed in the slide along the first direction.

10. The card holder assembly according to claim 1, 8, or 9, characterized in that, The card holder assembly also includes a card tray structure, and the end of the card tray structure facing the interior of the receiving cavity is provided with a stepped portion; At least a portion of the conductive silicone is disposed in the stepped portion; Alternatively, the card holder structure may further include an ejector structure, wherein at least a portion of the ejector arm of the ejector structure is disposed in the stepped portion.

11. An electronic device, characterized in that, Includes the card holder assembly as described in any one of claims 1 to 10.

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