WO2019000289A9

WO2019000289A9 - Structure of electronic device and electronic device

Info

Publication number: WO2019000289A9
Application number: PCT/CN2017/090666
Authority: WO
Inventors: 黄�俊; 谢宗良
Original assignee: 华为技术有限公司
Priority date: 2017-06-28
Filing date: 2017-06-28
Publication date: 2020-01-16
Also published as: WO2019000289A1; CN110832706A; CN110832706B

Abstract

The structure of an electronic device, comprising: a card connector (32) provided with a terminal for contacting a card and fixed on a PCB (31); a shielding cover covering the card connector (32), fixed on the PCB (31), and forming with the PCB (31) a card tray slot (37); a protruding block (36) provided between one sidewall of the shielding cover and a side of the card connector (32) adjacent to the sidewall of the shielding cover, the thickness of the protruding block (36) being greater than the thickness of the card connector (32); a card tray (34) used for accommodating the card and pluggable/unpluggable in and out of the card tray slot (37), the card tray (34) being provided with a first side frame (344) and a second side frame (345) parallel to the direction in which the card tray is plugged/unplugged, the first side frame being provided with a protruding element (3441), and the protruding element protruding towards the outside of the first side frame. When the card tray (34) is forwardly plugged into the card tray slot (37), the protruding element and the protruding block (36) fit each other in the height direction; when the card tray (34) is reversely plugged into the card tray slot (37), the protruding block (36) resists the card tray (34) from being plugged into the card tray slot (37).

Description

Structure of electronic equipment and electronic equipment

Technical field

The present application relates to the field of communication technologies, and more particularly, to a structure of an electronic device and an electronic device.

Background technique

As more and more mobile terminal casings are integrally formed, the casing can no longer be dismantled as a whole, and in order to place various cards required to realize the functions of the mobile terminal, drawer-type trays have begun to be widely used. When inserting the tray into the tray slot, the incorrect operation of the tray's correct orientation turning 180 ° often occurs, so it is necessary to prevent the reverse insertion of the tray.

Summary of the invention

The technical problem to be solved in the present application is to provide a structure of an electronic device and an electronic device to prevent reverse insertion of the tray.

A first aspect provides a structure of an electronic device, including: a PCB, a card connector, a shielding cover, a bump, and a card holder; wherein the card connector has a terminal in contact with a card and is fixed to the PCB The shielding cover covers the card connector and is fixed on the PCB to form a card bracket with the PCB; the bump is provided on a side wall of the shielding cover and the card Between the sides of the connector adjacent to one side wall of the shielding cover, the thickness of the bump is greater than the thickness of the card connector; the card holder is used to receive the card and is inserted in The card holder groove, the card holder having a first side frame and a second side frame parallel to the card insertion and removal direction, the first side frame has a protrusion, and the protrusion faces the first The side frame protrudes outside; when the card holder is inserted into the card holder slot in a forward direction, the protruding piece is matched with the projection in the height direction, and when the card holder is inserted into the card holder slot in a reverse direction, the The projection is inserted into the card holder groove against the card holder.

According to the first aspect, in a first possible implementation manner of the first aspect, the second side frame does not have a shape that is compatible with the bump when the Cato is inserted backward.

According to a first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the protrusion is located at an opening of the catch bracket groove.

A second aspect provides a structure of an electronic device, including: a PCB, a card connector, a shielding cover, a bump, and a card holder; wherein the card connector has a terminal in contact with a card and is fixed to the PCB The shielding cover covers the card connector and is fixed on the PCB to form a card bracket with the PCB; the bump is provided on a side wall of the shielding cover and the card Between the sides of the connector adjacent to one side wall of the shielding cover, the thickness of the bump is greater than the thickness of the card connector; the card holder is used to receive the card and is inserted in The card holder slot, the card holder has a first side frame and a second side frame parallel to the card insertion and removal direction, and the first side frame has a groove; the card holder is inserted into the card holder in a forward direction. When the groove is formed, the opening of the groove faces the PCB, the groove is engaged with the bump, and the card Ranch When the bracket is inserted into the card bracket slot in the reverse direction, the projection is inserted into the card bracket slot against the card bracket.

According to the second aspect, in a first possible implementation manner of the second aspect, the second side frame does not have a shape that is adapted to the bump when the Cato is inserted backward.

According to a first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the protrusion is located at an opening of the catch bracket groove.

Through the cooperation of the bump and the tray, the tray is prevented from being inserted backwards, and the space of the thickness of the electronic device is not occupied.

A third aspect provides a structure of an electronic device, including: a PCB, a card connector, a shielding cover, and a card holder; wherein the card connector has a terminal in contact with the card and is fixed on the PCB; The shielding cover covers the card connector, is fixed on the PCB, and forms a card bracket with the PCB; the height of the first side frame is greater than the height of the inside of the shielding cover and the card connector. The thickness difference; the card holder is used for accommodating the card, and is inserted into the card holder slot; the card holder has a first side frame and a second side frame parallel to the card insertion and removal direction; The first side frame has protrusions; when the catcher is inserted into the catcher slot in a forward direction, the protrusions protrude toward the PCB, and the protrusions are embedded in one side wall of the shielding cover and Between the sides of the card connector adjacent to the side wall; when the card holder is inserted into the card holder slot in the opposite direction, the protruding member abuts against the shielding cover.

According to a third aspect, in a first possible implementation manner of the third aspect, the protrusion is close to the insertion end of the Cato.

The cooperation of the protruding part of the Cato with the shielding cover and the card connector effectively prevents the Cato from being reversely inserted, and does not occupy space on the thickness of the electronic device.

A fourth aspect provides an electronic device having the structure of the electronic device according to claims 1-8, and a casing, the casing having an opening corresponding to the card holder slot, and the card holder passing through the card holder The opening is inserted into and pulled out from the bracket.

According to a fourth aspect, in a first possible implementation manner of the fourth aspect, the electronic device is a smart watch, and the opening is located on a plane of a lug side of the smart watch.

According to the fourth aspect or the first possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the card seats a Nano SIM card, and the card tray is configured to accommodate the Nano SIM card. .

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a mobile phone in an embodiment of the present application; FIG.

2 is a schematic diagram of a smart watch according to an embodiment of the present application;

3A is a schematic perspective view of a structure of an electronic device according to an embodiment of the present application;

3B is a schematic exploded view of a structure of an electronic device in an embodiment of the present application;

4 is a plan structural view of a structure of an electronic device in an embodiment of the present application;

FIG. 5 is a schematic view of the AA arrow view of FIG. 4; FIG.

FIG. 6 is a schematic view of the BB arrow view of FIG. 4; FIG.

7 is a plan structural view of a structure of another electronic device in an embodiment of the present application;

8 is a schematic view of the view along the BB direction of FIG. 7; Ranch

9A and 9B are diagrams showing the effect of the reverse insertion of the Cato in FIG. 4;

FIG. 10 is a plan structural view of a structure of another electronic device in the embodiment of the present application; FIG.

FIG. 11 is a schematic view taken along the line AA in FIG. 10; FIG.

12A and 12B are three-dimensional effect diagrams of the forward insertion and the reverse insertion of the Cato, respectively;

13 is a plan structural view of a structure of another electronic device in an embodiment of the present application;

FIG. 14 is a schematic view taken along the line AA in FIG. 13; FIG.

15A and 15B are diagrams showing the effect of the reverse insertion of the Cato in FIG. 13.

detailed description

The embodiment of the present application provides an electronic device, which can prevent the reverse insertion of the card tray, and improves the convenience of use.

The terms "including", "may include", "including", or "may include" used in this application indicate the existence of corresponding disclosed functions, operations, elements, etc., and do not limit one or more other functions , Operation, components, etc. In addition, the term "including" or "comprising" means the presence of a corresponding feature, number, step, operation, element, part, or combination thereof disclosed in the specification, and does not exclude the presence or addition of one or more other features, number, step, Action, element, part, or combination.

The terms "A or B", "at least one of A or / and B", or "one or more of A or / and B" as used herein include any word or all combinations of the words enumerated with it . For example, "A or B", "at least one of A and B" or "at least one of A or B" describes (1) including A; (2) including B; or (3) including A and B. By.

Although terms such as "first" and "second" may modify various elements of various embodiments, these terms do not limit the corresponding elements. For example, these terms do not limit the order and / or importance of the corresponding elements. These terms can be used to distinguish one element from another. For example, the first user equipment and the second user equipment are both user equipments, but they indicate different user equipments. For example, without departing from the scope of the present application, a first element may be named a second element, and similarly, a second element may be named a first element.

When an element (eg, a first element) is "connected to" or "and (coupled operatively or communicatively) / (operably or communicationally) is coupled to" another element (eg, a second element) In this case, the first element may be directly connected or coupled to the second element, and there may be an intermediate element (for example, a third element) between the first element and the second element. In contrast, when an element (eg, a first element) is "directly connected" or "directly coupled" to another element (eg, a second element), there are no intervening elements (eg, Third element).

The expression "configured to (or set to)" used in this application may be interchanged with "suitable for", "capable of", "designed for", "suitable for", "manufactured for" or "able to" as appropriate. The term "configured to (set to)" may not necessarily mean "designed for" in terms of hardware. In contrast, the expression "device configured as" may mean that in some cases the device is "capable of" along with other equipment or components. For example, "a processor configured to (set to) perform A, B, and C" may be a dedicated processor (for example, an embedded processor) for performing a corresponding operation, or by executing one or more stored in a storage device or many Ranch Software programs to perform corresponding operations by a general-purpose processor (for example, a central processing unit (CPU) or an application processor (AP)).

The embodiments of the present application will be described in detail below with reference to the drawings. The specific embodiments described herein are only used to explain the application, and are not used to limit the application.

The electronic device in the following embodiments may be various electronic devices with a Cato. For example, the electronic device may be a mobile phone 10 shown in FIG. 1, or a wearable electronic device (such as the smart watch 20 in FIG. 2). It is a portable electronic device such as a tablet.

FIG. 1 is a schematic diagram of a mobile phone according to an embodiment of the present application. Referring to FIG. 1, the mobile phone 10 includes a card holder 11, an opening 12 corresponding to the card holder slot on the housing, a touch-sensitive display 13, a fingerprint sensor 14, a power button 15, a camera 16, and a speaker 17.

The fingerprint sensor 14 is usually disposed above, below, or beside a home button in the mobile phone 10. Hereinafter, the fingerprint sensor 14 is used as a main button. In some embodiments, the fingerprint sensor 14 may be disposed on one side of the body of the mobile phone 10 or on the back of the body of the mobile phone 10, which is not limited in this embodiment of the present application.

The camera 16 includes a lens system, a driving unit, and an image sensor, and may further include a flash memory and the like. The camera 16 converts the optical signals input (or captured) through the lens system into electrical image signals or data, and outputs the signals or data. The user can use the camera 16 to capture moving or still images. In other words, the camera 16 forms an optical image of the object and detects the formed optical image as an electrical signal.

Optionally, the mobile phone 10 further includes a microphone (not shown) and a memory (not shown). The microphone is configured to receive a voice or sound input and generate an electrical signal. The memory is configured to store a software program and / or an instruction set.

The touch-sensitive display 13 is sometimes referred to as a "touch screen" and may also be considered or referred to as a touch-sensitive display system. The touch screen is used to display an image, and a touch interrupt is generated when a user input device such as a finger or a stylus touches a surface of the touch screen.

As shown in FIG. 2, this embodiment provides a smart watch 20. The smart watch 20 may specifically include a watch body 21 and a wristband 27 that can be connected to each other (one of the two wristbands is shown in the figure). 21 may include a touch-sensitive display 22, a tray 24, and an opening 23 in the housing corresponding to the tray bracket. The opening 23 is provided on the ear-side plane of the smart watch. Although not shown, the smart watch 20 may further include a processor, a memory, a microphone, a Bluetooth device, a power management system (including a power supply), an antenna, a speaker, and the like, and may be provided in the watch body 21. The wristband 27 is fixed to the screw hole 25 in the watch body 21 by a bolt 26.

FIG. 3A shows a schematic perspective view of the structure of an electronic device according to this embodiment, and FIG. 3B shows an exploded view of the structure of an electronic device according to this embodiment. The electronic device may be as shown in FIG. 1 Mobile phone 10, or smart watch 20 as shown in FIG. 2, or tablet computer. As shown in FIGS. 3A and 3B, the structure of the electronic device includes a PCB 31, a card connector 32, a shielding cover 33, a card holder 34, a card 35, and a bump 36. The card connector 32 is fixed on the PCB 31, the terminals of the card connector 32 are electrically connected to the circuit of the PCB 31, and the shielding cover 33 is covered on the card connector 32 and fixed on the PCB 31. The shielding cover 33 has a first side wall, a second side wall, and a third side wall. The first side wall is parallel to the second side frame, and the third side edge is perpendicular to the first side wall. The inner width of the shielding cover 33 is larger than the width of the card connector 32. A bracket 37 is formed between the shielding cover 33 and the PCB 31 and the card connector 32. The bracket 34 can be inserted into and removed from the bracket 37. Cato 34 for Ranch Cards for electronic devices can be placed with standard SIM cards, Micro SIM cards, Nano SIM cards, SD cards, TF cards or other cards. The card tray 34 on which the card is placed is inserted into the electronic device, and the terminals of the card are in contact with the terminals on the card connector 32, thereby supporting the functions related to the card of the electronic device. The tray 34 has an insertion end 340, a first side frame 344 and a second side frame 345 parallel to the direction in which the tray is inserted, a supporting plate 348 for supporting the card, a baffle 349 and an opening of the tray corresponding to the tray of the electronic device Match.

The card 35 may be a SIM card 351 and / or a TF card 352. Understandably, the SIM card 351 needs to be placed in the electronic device, the card connector 32 is the SIM card connector 321, and the card tray 34 may have a SIM card holder 341; the electronic device may also be a TF card. 352, the card connector 32 is a TF card connector 322, and the card holder 34 may have a TF card holder 342; in an electronic device, it is also necessary to place a TF card and a SIM card at the same time. Matching support for electronic devices to place TF card and SIM card at the same time; TF card and SIM card can also be optionally placed in electronic device, then card connector 32 is a combination of SIM card connector and TF card connector, Cato 34 Can hold TF card and SIM card at the same time. Understandably, the size of the shielding cover 33 matches the size of the card connector 32.

The SIM card can be a 25mm × 15mm standard card, a 12mm × 15mm Micro SIM card, or a 12mm × 9mm Nano SIM card. The size of the TF card is: 15mm x 11mm.

FIG. 4 shows a plan structural view of the structure of an electronic device according to this embodiment, FIG. 5 is a schematic view of the AA direction of FIG. 4, and FIG. 6 is a schematic view of the BB direction of FIG. 4. As shown in FIG. 4-6, a bump 36 is fixed on the PCB 31. The bump 36 is located inside the shielding cover 33, and the protrusion 36 is located on the first side wall of the shielding cover 33 and the first side of the card connector 32 and the shielding cover 33. Between adjacent sides of a side wall, it can be understood that the bump 36 is close to one side of the card connector 32 parallel to the card insertion and removal direction. The thickness h1 of the bump 36 is greater than that of the card connector 32. Thickness h2. The first side frame 344 of the Cato 34 includes a protruding member 3441 that protrudes toward the outside of the first side frame. The protruding member 3441 may be formed integrally with the Cato during the manufacturing process of Cato, or it may be formed by gluing. It is fixed on the outside of the first side frame 344 of the tray by the same method. When the Cato 34 is inserted into the Cato slot in the forward direction, the first side frame 344 is matched with the projection 36, the projection 3341 and the projection 36 are opposite in the thickness direction, and the second side frame 345 does not have the Cato reflection. When inserting, the shape matching the convex block 36 can be provided on the outer side of the entire first side frame 344 or a part of the first side frame 344, such as only near the Cato 34. Set the position of the insertion end. The bump 36 may be made of a non-metal material, such as the same material as the PCB, or a metal material; it may be fixed on the PCB 31 by means of gluing or welding. The thickness h3 of the protruding member 3441 is less than the difference between the inside height h4 of the shielding cover 33 and the thickness h2 of the card connector 32. The sum of the thickness h1 of the protrusion 36 and the thickness h3 of the first member 3441 is less than the inside height h4 of the shielding cover 33. .

The length of the shielding cover 33 may be several times the length of the projection 36. Such a projection 36 may be provided at the opening of the bracket (as shown in FIG. 4), so that the insertion end of the bracket 34 is inserted into the bracket. At the opening, the user can find that the tray 34 is inserted in the wrong direction. Understandably, the projection 36 can also be provided on the inner side of the shielding cover 33 along the insertion direction of the Cato. In this way, when the insertion end of the Cato 34 is reversely inserted into the Cato slot, the user can find that the Cato 34 is inserted in the wrong direction . FIG. 7 shows a plan structural view of the structure of another electronic device provided in this embodiment. FIG. 8 shows a schematic view taken along the BB direction of FIG. 7. The projection 36 may be a rectangular parallelepiped or a cylinder. With equal shapes, the length of the bumps can be slightly smaller than the length of the shielding cover 33, so Ranch It can be abutted on the back side of the shield cover 33 along the insertion direction of the catcher 34.

9A and 9B are diagrams showing the effect of the reverse insertion of the Cato 34 in FIG. 4. When the Cato 34 is reversely inserted, the second side frame 345 does not have a shape matching the projection 36. The position close to the second side frame 345 will be resisted by the bump 36 and cannot be inserted into the tray bracket, so the user can timely find that the tray insertion direction is incorrect, thereby correcting the tray insertion direction.

FIG. 10 shows a plan structural view of the structure of another electronic device provided in this embodiment. FIG. 11 is a schematic view of the AA arrow view of FIG. 10, and FIG. Different from the embodiment shown in FIG. 4, the first side frame 344 of the Cato 34 has a groove 346. When the Cato 34 is inserted in the forward direction, the groove 346 and the protrusion 36 engage with each other, and the groove 346 forms a protrusion. Track of block 36. The catcher 34 has a first surface and a second surface. When the catcher 34 is inserted into the catcher slot in a forward direction, the first surface is close to the card connector 32 and the second surface is close to the shielding cover 33. The opening of the groove 346 faces the first surface, and the second side frame 345 does not have a shape that matches the protrusion 36 when the Cato is inserted backward. The groove 346 may be provided on the entire first side frame 344 or a portion of the first side frame 344. The thickness h1 of the bump 36 is greater than the thickness h2 of the card connector 32. The thickness h5 of the recessed portion of the groove 344 is less than the difference between the inner height h4 of the shielding cover 33 and the thickness h2 of the card connector 32. The thickness h1 of the bump 36 and the groove The sum of the thicknesses h5 is smaller than the inside height h4 of the shielding cover 33. Understandably, the length of the bump 36 may be as shown in the embodiments of FIG. 7 and FIG. 8. The position of the protrusion 36 may be set at the opening of the bracket, or near the inner side of the shielding cover 33.

FIGS. 12A and 12B respectively show three-dimensional effect diagrams of the forward and reverse insertion of the Cato. When the Cato 34 is inserted backwards, since the second side frame 345 does not have a shape suitable for the bump 36, the Cato 34 The insertion end will be resisted by the bump 36 and cannot be inserted into the bracket.

As shown in FIG. 4 or FIG. 10, the projection 36 is provided on the left side of the card connector 32. Accordingly, the projection 3441 or the groove 346 is located near the left side where the Cato 34 is positively inserted, that is, on the first side. On the frame 344, it can be understood that the protrusion 36 can also be provided on the right side of the card connector 32. Accordingly, the protrusion 3341 or the groove 346 is close to the right side where the Cato 34 is positively inserted, that is, the second side is provided. On the border 345. The protrusions 36 may also be provided on the left and right sides of the card connector 32, and accordingly, the protrusions 3441 or the grooves 346 are also provided on the first side frame 344 and the second side frame 345. Understandably, when Cato is inserted backwards, the side frame of Cato on the same side as the bump 36 does not have a shape suitable for the bump.

FIG. 13 is a plan structural view showing a structure of another electronic device according to this embodiment, and FIG. 14 is a schematic view taken along a line AA in FIG. 13. Different from the embodiment shown in FIG. 4, the first side frame 344 of the Cato 34 has a protruding piece 347. The protruding piece 347 is convex toward the surface where the Cato contacts the card connector, and has a protruding piece 347. The thickness h6 of the first side frame 344 is greater than the difference between the inside height h4 of the shielding cover 33 and the thickness h2 of the card connector 32. When the card tray 34 is inserted in the forward direction, the protrusion 347 can be inserted between the first side wall of the shielding cover and the side of the card connector 32 adjacent thereto. The catcher 34 has a first surface and a second surface. When the catcher 34 is inserted into the catcher slot in a forward direction, the first surface is close to the card connector 32 and the second surface is close to the shielding cover 33. The protrusion 347 is provided on the first surface. The protrusions 347 can be provided on the first side frame 344 or the second side frame 345 of the tray 34, or the protrusions can be provided on both the first side frame and the second side frame.

15A and 15B show the effect diagrams of Cato 34 in FIG. 13 when reversely inserted. Ranch The thickness h6 of the first side frame 344 with the protrusion 347 is greater than the difference between the inside height h4 of the shielding cover 33 and the thickness h2 of the card connector 32. The insertion end of the card tray 34 will be resisted by the shielding cover 33, and the card cannot be inserted. Brackets, so users can find out that the insertion direction of the tray is incorrect, and correct the insertion direction of the tray.

For a smart watch, as shown in Figure 2, the opening for the insertion of the card holder is generally set on the plane of the ear side of the smart watch, and the height of the plane of the side of the ear is generally small and smaller than the thickness of the side frame of the mobile phone. There is no need to occupy space on the height of the lug-side plane, which is beneficial to the thinning of the smart watch. Of course, it can also play a role in thinning the phone.

It should be noted that, in the case of no conflict, the features in the embodiments of the present application can be arbitrarily combined with each other.

The above is only a specific implementation of this application, but the scope of protection of this application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the protection scope of this application. Therefore, the protection scope of this application shall be subject to the protection scope of the claims. Ranch

Claims

A structure of an electronic device, comprising:

PCB, card connector, shielding cover, bump and card tray;

Wherein, the card connector has a terminal in contact with the card and is fixed on the PCB;

The shielding cover covers the card connector, is fixed on the PCB, and forms a card bracket with the PCB;

The bump is disposed between one side wall of the shielding cover and a side edge of the card connector adjacent to one side wall of the shielding cover, and the thickness of the bump is greater than the card connection Thickness of the device

The card tray is used for accommodating the card, and is inserted into the card tray slot. The card tray has a first side frame and a second side frame that are parallel to the card insertion and removal direction. The first side frame Having a protruding member protruding toward the outside of the first side frame;

When the catcher is inserted into the catcher slot in a forward direction, the protrusion is adapted to the protrusion in a height direction,

When the card holder is inserted into the card holder slot in the reverse direction, the projection is inserted into the card holder slot against the card holder.
The structure of the electronic device according to claim 1, wherein:

The second side frame does not have a shape adapted to the bump when the Cato is inserted backward.
The structure of the electronic device according to claim 2, wherein the projection is located at an opening of the catch bracket groove.
A structure of an electronic device, comprising:

PCB, card connector, shielding cover, bump and card tray;

Wherein, the card connector has a terminal in contact with the card and is fixed on the PCB;

The shielding cover covers the card connector, is fixed on the PCB, and forms a card bracket with the PCB;

The bump is disposed between one side wall of the shielding cover and a side edge of the card connector adjacent to one side wall of the shielding cover, and the thickness of the bump is greater than that of the card connection. Thickness of the device

The card tray is used for accommodating the card, and is inserted into the card tray slot. The card tray has a first side frame and a second side frame that are parallel to the card insertion and removal direction. The first side frame With grooves

When the card holder is inserted into the card holder slot in a forward direction, the opening of the groove faces the PCB, and the groove is engaged with the bump,

When the card holder is inserted into the card holder slot in the reverse direction, the projection is inserted into the card holder slot against the card holder.
The structure of an electronic device according to claim 4, wherein:

The second side frame does not have a shape adapted to the bump when the Cato is inserted backward.
The structure of the electronic device according to claim 5, wherein the projection is located at an opening of the catch bracket groove.
A structure of an electronic device, comprising:

PCB, card connector, cover and card tray;

Wherein, the card connector has a terminal in contact with the card and is fixed on the PCB;

The shielding cover covers the card connector, is fixed on the PCB, and forms a card bracket with the PCB; Ranch

The height of the first side frame is greater than the difference between the height of the inside of the shielding cover and the thickness of the card connector; the card holder is used to accommodate the card, and is inserted into the card holder slot, and the card The bracket has a first side frame and a second side frame parallel to the card insertion and removal direction, and the first side frame has a protrusion;

When the card holder is inserted into the card holder slot in a forward direction, the protruding member is protruding toward the PCB, and the protruding member is embedded in one side wall of the shielding cover and a card adjacent to the side wall. Between the sides of the connector;

When the catcher is inserted into the catcher slot in the reverse direction, the protruding member abuts against the shielding cover.
The structure of the portable electronic device according to claim 7, wherein the projection is near the insertion end of the tray.
An electronic device having the structure of the electronic device according to claims 1-8, and a casing, wherein the casing has an opening corresponding to the card bracket slot, and the card bracket is inserted and removed through The card tray is described.
The electronic device according to claim 9, wherein the electronic device is a smart watch, and the opening is located on a plane of a lug side of the smart watch.
The electronic device according to claim 9 or 10, wherein the card slot is a Nano SIM card, and the card holder is used to accommodate the Nano SIM card. Ranch